diff options
| author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-03-31 03:48:30 +0000 |
|---|---|---|
| committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-03-31 03:48:30 +0000 |
| commit | ad69471ce5e1284e1cacd053bb0fe8d6175a2f9e (patch) | |
| tree | e08c27563249192bff9d3f7edb8d74f11281ee89 /target-arm | |
| parent | 8f8e3aa45185dbb99a25edee384a18ca3d931132 (diff) | |
| download | qemu-ad69471ce5e1284e1cacd053bb0fe8d6175a2f9e.tar.gz | |
ARM TCG conversion 14/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4151 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 29 | ||||
| -rw-r--r-- | target-arm/helpers.h | 208 | ||||
| -rw-r--r-- | target-arm/neon_helper.c | 1449 | ||||
| -rw-r--r-- | target-arm/op.c | 2 | ||||
| -rw-r--r-- | target-arm/op_helper.c | 117 | ||||
| -rw-r--r-- | target-arm/op_neon.h | 1690 | ||||
| -rw-r--r-- | target-arm/translate.c | 1638 |
7 files changed, 2596 insertions, 2537 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 48cd6c8925..a2dd7b15dc 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -256,30 +256,6 @@ void cpu_arm_close(CPUARMState *env) free(env); } -/* Polynomial multiplication is like integer multiplcation except the - partial products are XORed, not added. */ -uint32_t helper_neon_mul_p8(uint32_t op1, uint32_t op2) -{ - uint32_t mask; - uint32_t result; - result = 0; - while (op1) { - mask = 0; - if (op1 & 1) - mask |= 0xff; - if (op1 & (1 << 8)) - mask |= (0xff << 8); - if (op1 & (1 << 16)) - mask |= (0xff << 16); - if (op1 & (1 << 24)) - mask |= (0xff << 24); - result ^= op2 & mask; - op1 = (op1 >> 1) & 0x7f7f7f7f; - op2 = (op2 << 1) & 0xfefefefe; - } - return result; -} - uint32_t cpsr_read(CPUARMState *env) { int ZF; @@ -376,6 +352,11 @@ uint32_t HELPER(rbit)(uint32_t x) return x; } +uint32_t HELPER(abs)(uint32_t x) +{ + return ((int32_t)x < 0) ? -x : x; +} + #if defined(CONFIG_USER_ONLY) void do_interrupt (CPUState *env) diff --git a/target-arm/helpers.h b/target-arm/helpers.h index 8ebd25fae8..1ae36eef4a 100644 --- a/target-arm/helpers.h +++ b/target-arm/helpers.h @@ -84,6 +84,7 @@ DEF_HELPER_1_1(double_saturate, uint32_t, (int32_t)) DEF_HELPER_1_2(sdiv, int32_t, (int32_t, int32_t)) DEF_HELPER_1_2(udiv, uint32_t, (uint32_t, uint32_t)) DEF_HELPER_1_1(rbit, uint32_t, (uint32_t)) +DEF_HELPER_1_1(abs, uint32_t, (uint32_t)) #define PAS_OP(pfx) \ DEF_HELPER_1_3(pfx ## add8, uint32_t, (uint32_t, uint32_t, uint32_t *)) \ @@ -208,6 +209,10 @@ DEF_HELPER_1_2(rsqrte_f32, float32, (float32, CPUState *)) DEF_HELPER_1_2(recpe_u32, uint32_t, (uint32_t, CPUState *)) DEF_HELPER_1_2(rsqrte_u32, uint32_t, (uint32_t, CPUState *)) DEF_HELPER_1_4(neon_tbl, uint32_t, (uint32_t, uint32_t, uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_add_saturate_u64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_add_saturate_s64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_sub_saturate_u64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_sub_saturate_s64, uint64_t, (uint64_t, uint64_t)) DEF_HELPER_1_2(add_cc, uint32_t, (uint32_t, uint32_t)) DEF_HELPER_1_2(adc_cc, uint32_t, (uint32_t, uint32_t)) @@ -223,6 +228,209 @@ DEF_HELPER_1_2(shr_cc, uint32_t, (uint32_t, uint32_t)) DEF_HELPER_1_2(sar_cc, uint32_t, (uint32_t, uint32_t)) DEF_HELPER_1_2(ror_cc, uint32_t, (uint32_t, uint32_t)) +/* neon_helper.c */ +DEF_HELPER_1_3(neon_qadd_u8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qadd_s8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qadd_u16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qadd_s16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qsub_u8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qsub_s8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qsub_u16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qsub_s16, uint32_t, (CPUState *, uint32_t, uint32_t)) + +DEF_HELPER_1_2(neon_hadd_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hadd_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hadd_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hadd_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hadd_s32, int32_t, (int32_t, int32_t)) +DEF_HELPER_1_2(neon_hadd_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rhadd_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rhadd_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rhadd_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rhadd_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rhadd_s32, int32_t, (int32_t, int32_t)) +DEF_HELPER_1_2(neon_rhadd_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hsub_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hsub_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hsub_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hsub_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_hsub_s32, int32_t, (int32_t, int32_t)) +DEF_HELPER_1_2(neon_hsub_u32, uint32_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_2(neon_cgt_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cgt_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cgt_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cgt_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cgt_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cgt_s32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_s32, uint32_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_2(neon_min_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_min_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_min_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_min_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_min_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_min_s32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_s32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmin_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmin_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmin_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmin_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmin_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmin_s32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmax_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmax_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmax_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmax_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmax_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_pmax_s32, uint32_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_2(neon_abd_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abd_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abd_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abd_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abd_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abd_s32, uint32_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_2(neon_shl_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_shl_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_shl_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_shl_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_shl_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_shl_s32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_shl_u64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_shl_s64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_rshl_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rshl_s8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rshl_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rshl_s16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rshl_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rshl_s32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_rshl_u64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_rshl_s64, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_3(neon_qshl_u8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qshl_s8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qshl_u16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qshl_s16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qshl_u32, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qshl_s32, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qshl_u64, uint64_t, (CPUState *, uint64_t, uint64_t)) +DEF_HELPER_1_3(neon_qshl_s64, uint64_t, (CPUState *, uint64_t, uint64_t)) +DEF_HELPER_1_3(neon_qrshl_u8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrshl_s8, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrshl_u16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrshl_s16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrshl_u32, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrshl_s32, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrshl_u64, uint64_t, (CPUState *, uint64_t, uint64_t)) +DEF_HELPER_1_3(neon_qrshl_s64, uint64_t, (CPUState *, uint64_t, uint64_t)) + +DEF_HELPER_1_2(neon_add_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_add_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_padd_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_padd_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_sub_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_sub_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mul_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mul_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mul_p8, uint32_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_2(neon_tst_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_tst_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_tst_u32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_ceq_u8, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_ceq_u16, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_ceq_u32, uint32_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_1(neon_abs_s8, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_abs_s16, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_clz_u8, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_clz_u16, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_cls_s8, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_cls_s16, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_cls_s32, uint32_t, (uint32_t)) +DEF_HELPER_1_1(neon_cnt_u8, uint32_t, (uint32_t)) + +DEF_HELPER_1_3(neon_qdmulh_s16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrdmulh_s16, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qdmulh_s32, uint32_t, (CPUState *, uint32_t, uint32_t)) +DEF_HELPER_1_3(neon_qrdmulh_s32, uint32_t, (CPUState *, uint32_t, uint32_t)) + +DEF_HELPER_1_1(neon_narrow_u8, uint32_t, (uint64_t)) +DEF_HELPER_1_1(neon_narrow_u16, uint32_t, (uint64_t)) +DEF_HELPER_1_2(neon_narrow_sat_u8, uint32_t, (CPUState *, uint64_t)) +DEF_HELPER_1_2(neon_narrow_sat_s8, uint32_t, (CPUState *, uint64_t)) +DEF_HELPER_1_2(neon_narrow_sat_u16, uint32_t, (CPUState *, uint64_t)) +DEF_HELPER_1_2(neon_narrow_sat_s16, uint32_t, (CPUState *, uint64_t)) +DEF_HELPER_1_2(neon_narrow_sat_u32, uint32_t, (CPUState *, uint64_t)) +DEF_HELPER_1_2(neon_narrow_sat_s32, uint32_t, (CPUState *, uint64_t)) +DEF_HELPER_1_1(neon_narrow_high_u8, uint32_t, (uint64_t)) +DEF_HELPER_1_1(neon_narrow_high_u16, uint32_t, (uint64_t)) +DEF_HELPER_1_1(neon_narrow_round_high_u8, uint32_t, (uint64_t)) +DEF_HELPER_1_1(neon_narrow_round_high_u16, uint32_t, (uint64_t)) +DEF_HELPER_1_1(neon_widen_u8, uint64_t, (uint32_t)) +DEF_HELPER_1_1(neon_widen_s8, uint64_t, (uint32_t)) +DEF_HELPER_1_1(neon_widen_u16, uint64_t, (uint32_t)) +DEF_HELPER_1_1(neon_widen_s16, uint64_t, (uint32_t)) + +DEF_HELPER_1_2(neon_addl_u16, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_addl_u32, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_paddl_u16, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_paddl_u32, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_subl_u16, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_subl_u32, uint64_t, (uint64_t, uint64_t)) +DEF_HELPER_1_3(neon_addl_saturate_s32, uint64_t, (CPUState *, uint64_t, uint64_t)) +DEF_HELPER_1_3(neon_addl_saturate_s64, uint64_t, (CPUState *, uint64_t, uint64_t)) +DEF_HELPER_1_2(neon_abdl_u16, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abdl_s16, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abdl_u32, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abdl_s32, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abdl_u64, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abdl_s64, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mull_u8, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mull_s8, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mull_u16, uint64_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mull_s16, uint64_t, (uint32_t, uint32_t)) + +DEF_HELPER_1_1(neon_negl_u16, uint64_t, (uint64_t)) +DEF_HELPER_1_1(neon_negl_u32, uint64_t, (uint64_t)) +DEF_HELPER_1_1(neon_negl_u64, uint64_t, (uint64_t)) + +DEF_HELPER_1_2(neon_qabs_s8, uint32_t, (CPUState *, uint32_t)) +DEF_HELPER_1_2(neon_qabs_s16, uint32_t, (CPUState *, uint32_t)) +DEF_HELPER_1_2(neon_qabs_s32, uint32_t, (CPUState *, uint32_t)) +DEF_HELPER_1_2(neon_qneg_s8, uint32_t, (CPUState *, uint32_t)) +DEF_HELPER_1_2(neon_qneg_s16, uint32_t, (CPUState *, uint32_t)) +DEF_HELPER_1_2(neon_qneg_s32, uint32_t, (CPUState *, uint32_t)) + +DEF_HELPER_0_0(neon_trn_u8, void, (void)) +DEF_HELPER_0_0(neon_trn_u16, void, (void)) +DEF_HELPER_0_0(neon_unzip_u8, void, (void)) +DEF_HELPER_0_0(neon_zip_u8, void, (void)) +DEF_HELPER_0_0(neon_zip_u16, void, (void)) + +DEF_HELPER_1_2(neon_min_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_max_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_abd_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_add_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_sub_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_mul_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_ceq_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cge_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_cgt_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_acge_f32, uint32_t, (uint32_t, uint32_t)) +DEF_HELPER_1_2(neon_acgt_f32, uint32_t, (uint32_t, uint32_t)) + #undef DEF_HELPER #undef DEF_HELPER_0_0 #undef DEF_HELPER_0_1 diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c new file mode 100644 index 0000000000..c8ab2b4ac2 --- /dev/null +++ b/target-arm/neon_helper.c @@ -0,0 +1,1449 @@ +#include <stdlib.h> +#include <stdio.h> + +#include "cpu.h" +#include "exec-all.h" +#include "helpers.h" + +#define SIGNBIT (uint32_t)0x80000000 +#define SIGNBIT64 ((uint64_t)1 << 63) + +#define SET_QC() env->vfp.xregs[ARM_VFP_FPSCR] = CPSR_Q + +static float_status neon_float_status; +#define NFS &neon_float_status + +/* Helper routines to perform bitwise copies between float and int. */ +static inline float32 vfp_itos(uint32_t i) +{ + union { + uint32_t i; + float32 s; + } v; + + v.i = i; + return v.s; +} + +static inline uint32_t vfp_stoi(float32 s) +{ + union { + uint32_t i; + float32 s; + } v; + + v.s = s; + return v.i; +} + +#define NEON_TYPE1(name, type) \ +typedef struct \ +{ \ + type v1; \ +} neon_##name; +#ifdef WORDS_BIGENDIAN +#define NEON_TYPE2(name, type) \ +typedef struct \ +{ \ + type v2; \ + type v1; \ +} neon_##name; +#define NEON_TYPE4(name, type) \ +typedef struct \ +{ \ + type v4; \ + type v3; \ + type v2; \ + type v1; \ +} neon_##name; +#else +#define NEON_TYPE2(name, type) \ +typedef struct \ +{ \ + type v1; \ + type v2; \ +} neon_##name; +#define NEON_TYPE4(name, type) \ +typedef struct \ +{ \ + type v1; \ + type v2; \ + type v3; \ + type v4; \ +} neon_##name; +#endif + +NEON_TYPE4(s8, int8_t) +NEON_TYPE4(u8, uint8_t) +NEON_TYPE2(s16, int16_t) +NEON_TYPE2(u16, uint16_t) +NEON_TYPE1(s32, int32_t) +NEON_TYPE1(u32, uint32_t) +#undef NEON_TYPE4 +#undef NEON_TYPE2 +#undef NEON_TYPE1 + +/* Copy from a uint32_t to a vector structure type. */ +#define NEON_UNPACK(vtype, dest, val) do { \ + union { \ + vtype v; \ + uint32_t i; \ + } conv_u; \ + conv_u.i = (val); \ + dest = conv_u.v; \ + } while(0) + +/* Copy from a vector structure type to a uint32_t. */ +#define NEON_PACK(vtype, dest, val) do { \ + union { \ + vtype v; \ + uint32_t i; \ + } conv_u; \ + conv_u.v = (val); \ + dest = conv_u.i; \ + } while(0) + +#define NEON_DO1 \ + NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); +#define NEON_DO2 \ + NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ + NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); +#define NEON_DO4 \ + NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ + NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ + NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ + NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); + +#define NEON_VOP_BODY(vtype, n) \ +{ \ + uint32_t res; \ + vtype vsrc1; \ + vtype vsrc2; \ + vtype vdest; \ + NEON_UNPACK(vtype, vsrc1, arg1); \ + NEON_UNPACK(vtype, vsrc2, arg2); \ + NEON_DO##n; \ + NEON_PACK(vtype, res, vdest); \ + return res; \ +} + +#define NEON_VOP(name, vtype, n) \ +uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ +NEON_VOP_BODY(vtype, n) + +#define NEON_VOP_ENV(name, vtype, n) \ +uint32_t HELPER(glue(neon_,name))(CPUState *env, uint32_t arg1, uint32_t arg2) \ +NEON_VOP_BODY(vtype, n) + +/* Pairwise operations. */ +/* For 32-bit elements each segment only contains a single element, so + the elementwise and pairwise operations are the same. */ +#define NEON_PDO2 \ + NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ + NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); +#define NEON_PDO4 \ + NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ + NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ + NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ + NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ + +#define NEON_POP(name, vtype, n) \ +uint32_t HELPER(glue(neon_,name))(uint32_t arg1, uint32_t arg2) \ +{ \ + uint32_t res; \ + vtype vsrc1; \ + vtype vsrc2; \ + vtype vdest; \ + NEON_UNPACK(vtype, vsrc1, arg1); \ + NEON_UNPACK(vtype, vsrc2, arg2); \ + NEON_PDO##n; \ + NEON_PACK(vtype, res, vdest); \ + return res; \ +} + +/* Unary operators. */ +#define NEON_VOP1(name, vtype, n) \ +uint32_t HELPER(glue(neon_,name))(uint32_t arg) \ +{ \ + vtype vsrc1; \ + vtype vdest; \ + NEON_UNPACK(vtype, vsrc1, arg); \ + NEON_DO##n; \ + NEON_PACK(vtype, arg, vdest); \ + return arg; \ +} + + +#define NEON_USAT(dest, src1, src2, type) do { \ + uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ + if (tmp != (type)tmp) { \ + SET_QC(); \ + dest = ~0; \ + } else { \ + dest = tmp; \ + }} while(0) +#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) +NEON_VOP_ENV(qadd_u8, neon_u8, 4) +#undef NEON_FN +#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) +NEON_VOP_ENV(qadd_u16, neon_u16, 2) +#undef NEON_FN +#undef NEON_USAT + +#define NEON_SSAT(dest, src1, src2, type) do { \ + int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ + if (tmp != (type)tmp) { \ + SET_QC(); \ + if (src2 > 0) { \ + tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ + } else { \ + tmp = 1 << (sizeof(type) * 8 - 1); \ + } \ + } \ + dest = tmp; \ + } while(0) +#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) +NEON_VOP_ENV(qadd_s8, neon_s8, 4) +#undef NEON_FN +#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) +NEON_VOP_ENV(qadd_s16, neon_s16, 2) +#undef NEON_FN +#undef NEON_SSAT + +#define NEON_USAT(dest, src1, src2, type) do { \ + uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ + if (tmp != (type)tmp) { \ + SET_QC(); \ + dest = 0; \ + } else { \ + dest = tmp; \ + }} while(0) +#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) +NEON_VOP_ENV(qsub_u8, neon_u8, 4) +#undef NEON_FN +#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) +NEON_VOP_ENV(qsub_u16, neon_u16, 2) +#undef NEON_FN +#undef NEON_USAT + +#define NEON_SSAT(dest, src1, src2, type) do { \ + int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ + if (tmp != (type)tmp) { \ + SET_QC(); \ + if (src2 < 0) { \ + tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ + } else { \ + tmp = 1 << (sizeof(type) * 8 - 1); \ + } \ + } \ + dest = tmp; \ + } while(0) +#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) +NEON_VOP_ENV(qsub_s8, neon_s8, 4) +#undef NEON_FN +#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) +NEON_VOP_ENV(qsub_s16, neon_s16, 2) +#undef NEON_FN +#undef NEON_SSAT + +#define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1 +NEON_VOP(hadd_s8, neon_s8, 4) +NEON_VOP(hadd_u8, neon_u8, 4) +NEON_VOP(hadd_s16, neon_s16, 2) +NEON_VOP(hadd_u16, neon_u16, 2) +#undef NEON_FN + +int32_t HELPER(neon_hadd_s32)(int32_t src1, int32_t src2) +{ + int32_t dest; + + dest = (src1 >> 1) + (src2 >> 1); + if (src1 & src2 & 1) + dest++; + return dest; +} + +uint32_t HELPER(neon_hadd_u32)(uint32_t src1, uint32_t src2) +{ + uint32_t dest; + + dest = (src1 >> 1) + (src2 >> 1); + if (src1 & src2 & 1) + dest++; + return dest; +} + +#define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1 +NEON_VOP(rhadd_s8, neon_s8, 4) +NEON_VOP(rhadd_u8, neon_u8, 4) +NEON_VOP(rhadd_s16, neon_s16, 2) +NEON_VOP(rhadd_u16, neon_u16, 2) +#undef NEON_FN + +int32_t HELPER(neon_rhadd_s32)(int32_t src1, int32_t src2) +{ + int32_t dest; + + dest = (src1 >> 1) + (src2 >> 1); + if ((src1 | src2) & 1) + dest++; + return dest; +} + +uint32_t HELPER(neon_rhadd_u32)(uint32_t src1, uint32_t src2) +{ + uint32_t dest; + + dest = (src1 >> 1) + (src2 >> 1); + if ((src1 | src2) & 1) + dest++; + return dest; +} + +#define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1 +NEON_VOP(hsub_s8, neon_s8, 4) +NEON_VOP(hsub_u8, neon_u8, 4) +NEON_VOP(hsub_s16, neon_s16, 2) +NEON_VOP(hsub_u16, neon_u16, 2) +#undef NEON_FN + +int32_t HELPER(neon_hsub_s32)(int32_t src1, int32_t src2) +{ + int32_t dest; + + dest = (src1 >> 1) - (src2 >> 1); + if ((~src1) & src2 & 1) + dest--; + return dest; +} + +uint32_t HELPER(neon_hsub_u32)(uint32_t src1, uint32_t src2) +{ + uint32_t dest; + + dest = (src1 >> 1) - (src2 >> 1); + if ((~src1) & src2 & 1) + dest--; + return dest; +} + +#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? ~0 : 0 +NEON_VOP(cgt_s8, neon_s8, 4) +NEON_VOP(cgt_u8, neon_u8, 4) +NEON_VOP(cgt_s16, neon_s16, 2) +NEON_VOP(cgt_u16, neon_u16, 2) +NEON_VOP(cgt_s32, neon_s32, 1) +NEON_VOP(cgt_u32, neon_u32, 1) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) dest = (src1 >= src2) ? ~0 : 0 +NEON_VOP(cge_s8, neon_s8, 4) +NEON_VOP(cge_u8, neon_u8, 4) +NEON_VOP(cge_s16, neon_s16, 2) +NEON_VOP(cge_u16, neon_u16, 2) +NEON_VOP(cge_s32, neon_s32, 1) +NEON_VOP(cge_u32, neon_u32, 1) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2 +NEON_VOP(min_s8, neon_s8, 4) +NEON_VOP(min_u8, neon_u8, 4) +NEON_VOP(min_s16, neon_s16, 2) +NEON_VOP(min_u16, neon_u16, 2) +NEON_VOP(min_s32, neon_s32, 1) +NEON_VOP(min_u32, neon_u32, 1) +NEON_POP(pmin_s8, neon_s8, 4) +NEON_POP(pmin_u8, neon_u8, 4) +NEON_POP(pmin_s16, neon_s16, 2) +NEON_POP(pmin_u16, neon_u16, 2) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2 +NEON_VOP(max_s8, neon_s8, 4) +NEON_VOP(max_u8, neon_u8, 4) +NEON_VOP(max_s16, neon_s16, 2) +NEON_VOP(max_u16, neon_u16, 2) +NEON_VOP(max_s32, neon_s32, 1) +NEON_VOP(max_u32, neon_u32, 1) +NEON_POP(pmax_s8, neon_s8, 4) +NEON_POP(pmax_u8, neon_u8, 4) +NEON_POP(pmax_s16, neon_s16, 2) +NEON_POP(pmax_u16, neon_u16, 2) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) \ + dest = (src1 > src2) ? (src1 - src2) : (src2 - src1) +NEON_VOP(abd_s8, neon_s8, 4) +NEON_VOP(abd_u8, neon_u8, 4) +NEON_VOP(abd_s16, neon_s16, 2) +NEON_VOP(abd_u16, neon_u16, 2) +NEON_VOP(abd_s32, neon_s32, 1) +NEON_VOP(abd_u32, neon_u32, 1) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp >= sizeof(src1) * 8 || tmp <= -sizeof(src1) * 8) { \ + dest = 0; \ + } else if (tmp < 0) { \ + dest = src1 >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + }} while (0) +NEON_VOP(shl_u8, neon_u8, 4) +NEON_VOP(shl_u16, neon_u16, 2) +NEON_VOP(shl_u32, neon_u32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_shl_u64)(uint64_t val, uint64_t shiftop) +{ + int8_t shift = (int8_t)shiftop; + if (shift >= 64 || shift <= -64) { + val = 0; + } else if (shift < 0) { + val >>= -shift; + } else { + val <<= shift; + } + return val; +} + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp >= sizeof(src1) * 8) { \ + dest = 0; \ + } else if (tmp <= -sizeof(src1) * 8) { \ + dest = src1 >> (sizeof(src1) * 8 - 1); \ + } else if (tmp < 0) { \ + dest = src1 >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + }} while (0) +NEON_VOP(shl_s8, neon_s8, 4) +NEON_VOP(shl_s16, neon_s16, 2) +NEON_VOP(shl_s32, neon_s32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_shl_s64)(uint64_t valop, uint64_t shiftop) +{ + int8_t shift = (int8_t)shiftop; + int64_t val = valop; + if (shift >= 64) { + val = 0; + } else if (shift <= -64) { + val >>= 63; + } else if (shift < 0) { + val >>= -shift; + } else { + val <<= shift; + } + return val; +} + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp >= sizeof(src1) * 8) { \ + dest = 0; \ + } else if (tmp < -sizeof(src1) * 8) { \ + dest >>= sizeof(src1) * 8 - 1; \ + } else if (tmp == -sizeof(src1) * 8) { \ + dest = src1 >> (tmp - 1); \ + dest++; \ + src2 >>= 1; \ + } else if (tmp < 0) { \ + dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + }} while (0) +NEON_VOP(rshl_s8, neon_s8, 4) +NEON_VOP(rshl_s16, neon_s16, 2) +NEON_VOP(rshl_s32, neon_s32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_rshl_s64)(uint64_t valop, uint64_t shiftop) +{ + int8_t shift = (int8_t)shiftop; + int64_t val = valop; + if (shift >= 64) { + val = 0; + } else if (shift < -64) { + val >>= 63; + } else if (shift == -63) { + val >>= 63; + val++; + val >>= 1; + } else if (shift < 0) { + val = (val + ((int64_t)1 << (-1 - shift))) >> -shift; + } else { + val <<= shift; + } + return val; +} + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp >= sizeof(src1) * 8 || tmp < -sizeof(src1) * 8) { \ + dest = 0; \ + } else if (tmp == -sizeof(src1) * 8) { \ + dest = src1 >> (tmp - 1); \ + } else if (tmp < 0) { \ + dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + }} while (0) +NEON_VOP(rshl_u8, neon_u8, 4) +NEON_VOP(rshl_u16, neon_u16, 2) +NEON_VOP(rshl_u32, neon_u32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop) +{ + int8_t shift = (uint8_t)shiftop; + if (shift >= 64 || shift < 64) { + val = 0; + } else if (shift == -64) { + /* Rounding a 1-bit result just preserves that bit. */ + val >>= 63; + } if (shift < 0) { + val = (val + ((uint64_t)1 << (-1 - shift))) >> -shift; + val >>= -shift; + } else { + val <<= shift; + } + return val; +} + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp >= sizeof(src1) * 8) { \ + if (src1) { \ + SET_QC(); \ + dest = ~0; \ + } else { \ + dest = 0; \ + } \ + } else if (tmp <= -sizeof(src1) * 8) { \ + dest = 0; \ + } else if (tmp < 0) { \ + dest = src1 >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + if ((dest >> tmp) != src1) { \ + SET_QC(); \ + dest = ~0; \ + } \ + }} while (0) +NEON_VOP_ENV(qshl_u8, neon_u8, 4) +NEON_VOP_ENV(qshl_u16, neon_u16, 2) +NEON_VOP_ENV(qshl_u32, neon_u32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_qshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) +{ + int8_t shift = (int8_t)shiftop; + if (shift >= 64) { + if (val) { + val = ~(uint64_t)0; + SET_QC(); + } else { + val = 0; + } + } else if (shift <= -64) { + val = 0; + } else if (shift < 0) { + val >>= -shift; + } else { + uint64_t tmp = val; + val <<= shift; + if ((val >> shift) != tmp) { + SET_QC(); + val = ~(uint64_t)0; + } + } + return val; +} + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp >= sizeof(src1) * 8) { \ + if (src1) \ + SET_QC(); \ + dest = src1 >> 31; \ + } else if (tmp <= -sizeof(src1) * 8) { \ + dest = src1 >> 31; \ + } else if (tmp < 0) { \ + dest = src1 >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + if ((dest >> tmp) != src1) { \ + SET_QC(); \ + dest = src2 >> 31; \ + } \ + }} while (0) +NEON_VOP_ENV(qshl_s8, neon_s8, 4) +NEON_VOP_ENV(qshl_s16, neon_s16, 2) +NEON_VOP_ENV(qshl_s32, neon_s32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_qshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) +{ + int8_t shift = (uint8_t)shiftop; + int64_t val = valop; + if (shift >= 64) { + if (val) { + SET_QC(); + val = (val >> 63) & ~SIGNBIT64; + } + } else if (shift <= 64) { + val >>= 63; + } else if (shift < 0) { + val >>= -shift; + } else { + int64_t tmp = val; + val <<= shift; + if ((val >> shift) != tmp) { + SET_QC(); + val = (tmp >> 63) ^ ~SIGNBIT64; + } + } + return val; +} + + +/* FIXME: This is wrong. */ +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp < 0) { \ + dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + if ((dest >> tmp) != src1) { \ + SET_QC(); \ + dest = ~0; \ + } \ + }} while (0) +NEON_VOP_ENV(qrshl_u8, neon_u8, 4) +NEON_VOP_ENV(qrshl_u16, neon_u16, 2) +NEON_VOP_ENV(qrshl_u32, neon_u32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_qrshl_u64)(CPUState *env, uint64_t val, uint64_t shiftop) +{ + int8_t shift = (int8_t)shiftop; + if (shift < 0) { + val = (val + (1 << (-1 - shift))) >> -shift; + } else { \ + uint64_t tmp = val; + val <<= shift; + if ((val >> shift) != tmp) { + SET_QC(); + val = ~0; + } + } + return val; +} + +#define NEON_FN(dest, src1, src2) do { \ + int8_t tmp; \ + tmp = (int8_t)src2; \ + if (tmp < 0) { \ + dest = (src1 + (1 << (-1 - tmp))) >> -tmp; \ + } else { \ + dest = src1 << tmp; \ + if ((dest >> tmp) != src1) { \ + SET_QC(); \ + dest = src1 >> 31; \ + } \ + }} while (0) +NEON_VOP_ENV(qrshl_s8, neon_s8, 4) +NEON_VOP_ENV(qrshl_s16, neon_s16, 2) +NEON_VOP_ENV(qrshl_s32, neon_s32, 1) +#undef NEON_FN + +uint64_t HELPER(neon_qrshl_s64)(CPUState *env, uint64_t valop, uint64_t shiftop) +{ + int8_t shift = (uint8_t)shiftop; + int64_t val = valop; + + if (shift < 0) { + val = (val + (1 << (-1 - shift))) >> -shift; + } else { + int64_t tmp = val;; + val <<= shift; + if ((val >> shift) != tmp) { + SET_QC(); + val = tmp >> 31; + } + } + return val; +} + +uint32_t HELPER(neon_add_u8)(uint32_t a, uint32_t b) +{ + uint32_t mask; + mask = (a ^ b) & 0x80808080u; + a &= ~0x80808080u; + b &= ~0x80808080u; + return (a + b) ^ mask; +} + +uint32_t HELPER(neon_add_u16)(uint32_t a, uint32_t b) +{ + uint32_t mask; + mask = (a ^ b) & 0x80008000u; + a &= ~0x80008000u; + b &= ~0x80008000u; + return (a + b) ^ mask; +} + +#define NEON_FN(dest, src1, src2) dest = src1 + src2 +NEON_POP(padd_u8, neon_u8, 4) +NEON_POP(padd_u16, neon_u16, 2) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) dest = src1 - src2 +NEON_VOP(sub_u8, neon_u8, 4) +NEON_VOP(sub_u16, neon_u16, 2) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) dest = src1 * src2 +NEON_VOP(mul_u8, neon_u8, 4) +NEON_VOP(mul_u16, neon_u16, 2) +#undef NEON_FN + +/* Polynomial multiplication is like integer multiplcation except the + partial products are XORed, not added. */ +uint32_t HELPER(neon_mul_p8)(uint32_t op1, uint32_t op2) +{ + uint32_t mask; + uint32_t result; + result = 0; + while (op1) { + mask = 0; + if (op1 & 1) + mask |= 0xff; + if (op1 & (1 << 8)) + mask |= (0xff << 8); + if (op1 & (1 << 16)) + mask |= (0xff << 16); + if (op1 & (1 << 24)) + mask |= (0xff << 24); + result ^= op2 & mask; + op1 = (op1 >> 1) & 0x7f7f7f7f; + op2 = (op2 << 1) & 0xfefefefe; + } + return result; +} + +#define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 +NEON_VOP(tst_u8, neon_u8, 4) +NEON_VOP(tst_u16, neon_u16, 2) +NEON_VOP(tst_u32, neon_u32, 1) +#undef NEON_FN + +#define NEON_FN(dest, src1, src2) dest = (src1 == src2) ? -1 : 0 +NEON_VOP(ceq_u8, neon_u8, 4) +NEON_VOP(ceq_u16, neon_u16, 2) +NEON_VOP(ceq_u32, neon_u32, 1) +#undef NEON_FN + +#define NEON_FN(dest, src, dummy) dest = (src < 0) ? -src : src +NEON_VOP1(abs_s8, neon_s8, 4) +NEON_VOP1(abs_s16, neon_s16, 2) +#undef NEON_FN + +/* Count Leading Sign/Zero Bits. */ +static inline int do_clz8(uint8_t x) +{ + int n; + for (n = 8; x; n--) + x >>= 1; + return n; +} + +static inline int do_clz16(uint16_t x) +{ + int n; + for (n = 16; x; n--) + x >>= 1; + return n; +} + +#define NEON_FN(dest, src, dummy) dest = do_clz8(src) +NEON_VOP1(clz_u8, neon_u8, 4) +#undef NEON_FN + +#define NEON_FN(dest, src, dummy) dest = do_clz16(src) +NEON_VOP1(clz_u16, neon_u16, 2) +#undef NEON_FN + +#define NEON_FN(dest, src, dummy) dest = do_clz8((src < 0) ? ~src : src) - 1 +NEON_VOP1(cls_s8, neon_s8, 4) +#undef NEON_FN + +#define NEON_FN(dest, src, dummy) dest = do_clz16((src < 0) ? ~src : src) - 1 +NEON_VOP1(cls_s16, neon_s16, 2) +#undef NEON_FN + +uint32_t HELPER(neon_cls_s32)(uint32_t x) +{ + int count; + if ((int32_t)x < 0) + x = ~x; + for (count = 32; x; count--) + x = x >> 1; + return count - 1; +} + +/* Bit count. */ +uint32_t HELPER(neon_cnt_u8)(uint32_t x) +{ + x = (x & 0x55555555) + ((x >> 1) & 0x55555555); + x = (x & 0x33333333) + ((x >> 2) & 0x33333333); + x = (x & 0x0f0f0f0f) + ((x >> 4) & 0x0f0f0f0f); + return x; +} + +#define NEON_QDMULH16(dest, src1, src2, round) do { \ + uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \ + if ((tmp ^ (tmp << 1)) & SIGNBIT) { \ + SET_QC(); \ + tmp = (tmp >> 31) ^ ~SIGNBIT; \ + } \ + tmp <<= 1; \ + if (round) { \ + int32_t old = tmp; \ + tmp += 1 << 15; \ + if ((int32_t)tmp < old) { \ + SET_QC(); \ + tmp = SIGNBIT - 1; \ + } \ + } \ + dest = tmp >> 16; \ + } while(0) +#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0) +NEON_VOP_ENV(qdmulh_s16, neon_s16, 2) +#undef NEON_FN +#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1) +NEON_VOP_ENV(qrdmulh_s16, neon_s16, 2) +#undef NEON_FN +#undef NEON_QDMULH16 + +#define NEON_QDMULH32(dest, src1, src2, round) do { \ + uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \ + if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \ + SET_QC(); \ + tmp = (tmp >> 63) ^ ~SIGNBIT64; \ + } else { \ + tmp <<= 1; \ + } \ + if (round) { \ + int64_t old = tmp; \ + tmp += (int64_t)1 << 31; \ + if ((int64_t)tmp < old) { \ + SET_QC(); \ + tmp = SIGNBIT64 - 1; \ + } \ + } \ + dest = tmp >> 32; \ + } while(0) +#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0) +NEON_VOP_ENV(qdmulh_s32, neon_s32, 1) +#undef NEON_FN +#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1) +NEON_VOP_ENV(qrdmulh_s32, neon_s32, 1) +#undef NEON_FN +#undef NEON_QDMULH32 + +uint32_t HELPER(neon_narrow_u8)(uint64_t x) +{ + return (x & 0xffu) | ((x >> 8) & 0xff00u) | ((x >> 16) & 0xff0000u) + | ((x >> 24) & 0xff000000u); +} + +uint32_t HELPER(neon_narrow_u16)(uint64_t x) +{ + return (x & 0xffffu) | ((x >> 16) & 0xffff0000u); +} + +uint32_t HELPER(neon_narrow_high_u8)(uint64_t x) +{ + return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) + | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); +} + +uint32_t HELPER(neon_narrow_high_u16)(uint64_t x) +{ + return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); +} + +uint32_t HELPER(neon_narrow_round_high_u8)(uint64_t x) +{ + x &= 0xff80ff80ff80ff80ull; + x += 0x0080008000800080ull; + return ((x >> 8) & 0xff) | ((x >> 16) & 0xff00) + | ((x >> 24) & 0xff0000) | ((x >> 32) & 0xff000000); +} + +uint32_t HELPER(neon_narrow_round_high_u16)(uint64_t x) +{ + x &= 0xffff8000ffff8000ull; + x += 0x0000800000008000ull; + return ((x >> 16) & 0xffff) | ((x >> 32) & 0xffff0000); +} + +uint32_t HELPER(neon_narrow_sat_u8)(CPUState *env, uint64_t x) +{ + uint16_t s; + uint8_t d; + uint32_t res = 0; +#define SAT8(n) \ + s = x >> n; \ + if (s > 0xff) { \ + d = 0xff; \ + SET_QC(); \ + } else { \ + d = s; \ + } \ + res |= (uint32_t)d << (n / 2); + + SAT8(0); + SAT8(16); + SAT8(32); + SAT8(48); +#undef SAT8 + return res; +} + +uint32_t HELPER(neon_narrow_sat_s8)(CPUState *env, uint64_t x) +{ + int16_t s; + uint8_t d; + uint32_t res = 0; +#define SAT8(n) \ + s = x >> n; \ + if (s != (int8_t)s) { \ + d = (s >> 15) ^ 0x7f; \ + SET_QC(); \ + } else { \ + d = s; \ + } \ + res |= (uint32_t)d << (n / 2); + + SAT8(0); + SAT8(16); + SAT8(32); + SAT8(48); +#undef SAT8 + return res; +} + +uint32_t HELPER(neon_narrow_sat_u16)(CPUState *env, uint64_t x) +{ + uint32_t high; + uint32_t low; + low = x; + if (low > 0xffff) { + low = 0xffff; + SET_QC(); + } + high = x >> 32; + if (high > 0xffff) { + high = 0xffff; + SET_QC(); + } + return low | (high << 16); +} + +uint32_t HELPER(neon_narrow_sat_s16)(CPUState *env, uint64_t x) +{ + int32_t low; + int32_t high; + low = x; + if (low != (int16_t)low) { + low = (low >> 31) ^ 0x7fff; + SET_QC(); + } + high = x >> 32; + if (high != (int16_t)high) { + high = (high >> 31) ^ 0x7fff; + SET_QC(); + } + return (uint16_t)low | (high << 16); +} + +uint32_t HELPER(neon_narrow_sat_u32)(CPUState *env, uint64_t x) +{ + if (x > 0xffffffffu) { + SET_QC(); + return 0xffffffffu; + } + return x; +} + +uint32_t HELPER(neon_narrow_sat_s32)(CPUState *env, uint64_t x) +{ + if ((int64_t)x != (int32_t)x) { + SET_QC(); + return (x >> 63) ^ 0x7fffffff; + } + return x; +} + +uint64_t HELPER(neon_widen_u8)(uint32_t x) +{ + uint64_t tmp; + uint64_t ret; + ret = (uint8_t)x; + tmp = (uint8_t)(x >> 8); + ret |= tmp << 16; + tmp = (uint8_t)(x >> 16); + ret |= tmp << 32; + tmp = (uint8_t)(x >> 24); + ret |= tmp << 48; + return ret; +} + +uint64_t HELPER(neon_widen_s8)(uint32_t x) +{ + uint64_t tmp; + uint64_t ret; + ret = (uint16_t)(int8_t)x; + tmp = (uint16_t)(int8_t)(x >> 8); + ret |= tmp << 16; + tmp = (uint16_t)(int8_t)(x >> 16); + ret |= tmp << 32; + tmp = (uint16_t)(int8_t)(x >> 24); + ret |= tmp << 48; + return ret; +} + +uint64_t HELPER(neon_widen_u16)(uint32_t x) +{ + uint64_t high = (uint16_t)(x >> 16); + return ((uint16_t)x) | (high << 32); +} + +uint64_t HELPER(neon_widen_s16)(uint32_t x) +{ + uint64_t high = (int16_t)(x >> 16); + return ((uint32_t)(int16_t)x) | (high << 32); +} + +uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b) +{ + uint64_t mask; + mask = (a ^ b) & 0x8000800080008000ull; + a &= ~0x8000800080008000ull; + b &= ~0x8000800080008000ull; + return (a + b) ^ mask; +} + +uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b) +{ + uint64_t mask; + mask = (a ^ b) & 0x8000000080000000ull; + a &= ~0x8000000080000000ull; + b &= ~0x8000000080000000ull; + return (a + b) ^ mask; +} + +uint64_t HELPER(neon_paddl_u16)(uint64_t a, uint64_t b) +{ + uint64_t tmp; + uint64_t tmp2; + + tmp = a & 0x0000ffff0000ffffull; + tmp += (a >> 16) & 0x0000ffff0000ffffull; + tmp2 = b & 0xffff0000ffff0000ull; + tmp2 += (b << 16) & 0xffff0000ffff0000ull; + return ( tmp & 0xffff) + | ((tmp >> 16) & 0xffff0000ull) + | ((tmp2 << 16) & 0xffff00000000ull) + | ( tmp2 & 0xffff000000000000ull); +} + +uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b) +{ + uint32_t low = a + (a >> 32); + uint32_t high = b + (b >> 32); + return low + ((uint64_t)high << 32); +} + +uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b) +{ + uint64_t mask; + mask = (a ^ ~b) & 0x8000800080008000ull; + a |= 0x8000800080008000ull; + b &= ~0x8000800080008000ull; + return (a - b) ^ mask; +} + +uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b) +{ + uint64_t mask; + mask = (a ^ ~b) & 0x8000000080000000ull; + a |= 0x8000000080000000ull; + b &= ~0x8000000080000000ull; + return (a - b) ^ mask; +} + +uint64_t HELPER(neon_addl_saturate_s32)(CPUState *env, uint64_t a, uint64_t b) +{ + uint32_t x, y; + uint32_t low, high; + + x = a; + y = b; + low = x + y; + if (((low ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) { + SET_QC(); + low = ((int32_t)x >> 31) ^ ~SIGNBIT; + } + x = a >> 32; + y = b >> 32; + high = x + y; + if (((high ^ x) & SIGNBIT) && !((x ^ y) & SIGNBIT)) { + SET_QC(); + high = ((int32_t)x >> 31) ^ ~SIGNBIT; + } + return low | ((uint64_t)high << 32); +} + +uint64_t HELPER(neon_addl_saturate_s64)(CPUState *env, uint64_t a, uint64_t b) +{ + uint64_t result; + + result = a + b; + if (((result ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) { + SET_QC(); + result = ((int64_t)a >> 63) ^ ~SIGNBIT64; + } + return result; +} + +#define DO_ABD(dest, x, y, type) do { \ + type tmp_x = x; \ + type tmp_y = y; \ + dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \ + } while(0) + +uint64_t HELPER(neon_abdl_u16)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + DO_ABD(result, a, b, uint8_t); + DO_ABD(tmp, a >> 8, b >> 8, uint8_t); + result |= tmp << 16; + DO_ABD(tmp, a >> 16, b >> 16, uint8_t); + result |= tmp << 32; + DO_ABD(tmp, a >> 24, b >> 24, uint8_t); + result |= tmp << 48; + return result; +} + +uint64_t HELPER(neon_abdl_s16)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + DO_ABD(result, a, b, int8_t); + DO_ABD(tmp, a >> 8, b >> 8, int8_t); + result |= tmp << 16; + DO_ABD(tmp, a >> 16, b >> 16, int8_t); + result |= tmp << 32; + DO_ABD(tmp, a >> 24, b >> 24, int8_t); + result |= tmp << 48; + return result; +} + +uint64_t HELPER(neon_abdl_u32)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + DO_ABD(result, a, b, uint16_t); + DO_ABD(tmp, a >> 16, b >> 16, uint16_t); + return result | (tmp << 32); +} + +uint64_t HELPER(neon_abdl_s32)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + DO_ABD(result, a, b, int16_t); + DO_ABD(tmp, a >> 16, b >> 16, int16_t); + return result | (tmp << 32); +} + +uint64_t HELPER(neon_abdl_u64)(uint32_t a, uint32_t b) +{ + uint64_t result; + DO_ABD(result, a, b, uint32_t); + return result; +} + +uint64_t HELPER(neon_abdl_s64)(uint32_t a, uint32_t b) +{ + uint64_t result; + DO_ABD(result, a, b, int32_t); + return result; +} +#undef DO_ABD + +/* Widening multiply. Named type is the source type. */ +#define DO_MULL(dest, x, y, type1, type2) do { \ + type1 tmp_x = x; \ + type1 tmp_y = y; \ + dest = (type2)((type2)tmp_x * (type2)tmp_y); \ + } while(0) + +uint64_t HELPER(neon_mull_u8)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + + DO_MULL(result, a, b, uint8_t, uint16_t); + DO_MULL(tmp, a >> 8, b >> 8, uint8_t, uint16_t); + result |= tmp << 16; + DO_MULL(tmp, a >> 16, b >> 16, uint8_t, uint16_t); + result |= tmp << 32; + DO_MULL(tmp, a >> 24, b >> 24, uint8_t, uint16_t); + result |= tmp << 48; + return result; +} + +uint64_t HELPER(neon_mull_s8)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + + DO_MULL(result, a, b, int8_t, uint16_t); + DO_MULL(tmp, a >> 8, b >> 8, int8_t, uint16_t); + result |= tmp << 16; + DO_MULL(tmp, a >> 16, b >> 16, int8_t, uint16_t); + result |= tmp << 32; + DO_MULL(tmp, a >> 24, b >> 24, int8_t, uint16_t); + result |= tmp << 48; + return result; +} + +uint64_t HELPER(neon_mull_u16)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + + DO_MULL(result, a, b, uint16_t, uint32_t); + DO_MULL(tmp, a >> 16, b >> 16, uint16_t, uint32_t); + return result | (tmp << 32); +} + +uint64_t HELPER(neon_mull_s16)(uint32_t a, uint32_t b) +{ + uint64_t tmp; + uint64_t result; + + DO_MULL(result, a, b, int16_t, uint32_t); + DO_MULL(tmp, a >> 16, b >> 16, int16_t, uint32_t); + return result | (tmp << 32); +} + +uint64_t HELPER(neon_negl_u16)(uint64_t x) +{ + uint16_t tmp; + uint64_t result; + result = (uint16_t)-x; + tmp = -(x >> 16); + result |= (uint64_t)tmp << 16; + tmp = -(x >> 32); + result |= (uint64_t)tmp << 32; + tmp = -(x >> 48); + result |= (uint64_t)tmp << 48; + return result; +} + +#include <stdio.h> +uint64_t HELPER(neon_negl_u32)(uint64_t x) +{ + uint32_t low = -x; + uint32_t high = -(x >> 32); + return low | ((uint64_t)high << 32); +} + +/* FIXME: There should be a native op for this. */ +uint64_t HELPER(neon_negl_u64)(uint64_t x) +{ + return -x; +} + +/* Saturnating sign manuipulation. */ +/* ??? Make these use NEON_VOP1 */ +#define DO_QABS8(x) do { \ + if (x == (int8_t)0x80) { \ + x = 0x7f; \ + SET_QC(); \ + } else if (x < 0) { \ + x = -x; \ + }} while (0) +uint32_t HELPER(neon_qabs_s8)(CPUState *env, uint32_t x) +{ + neon_s8 vec; + NEON_UNPACK(neon_s8, vec, x); + DO_QABS8(vec.v1); + DO_QABS8(vec.v2); + DO_QABS8(vec.v3); + DO_QABS8(vec.v4); + NEON_PACK(neon_s8, x, vec); + return x; +} +#undef DO_QABS8 + +#define DO_QNEG8(x) do { \ + if (x == (int8_t)0x80) { \ + x = 0x7f; \ + SET_QC(); \ + } else { \ + x = -x; \ + }} while (0) +uint32_t HELPER(neon_qneg_s8)(CPUState *env, uint32_t x) +{ + neon_s8 vec; + NEON_UNPACK(neon_s8, vec, x); + DO_QNEG8(vec.v1); + DO_QNEG8(vec.v2); + DO_QNEG8(vec.v3); + DO_QNEG8(vec.v4); + NEON_PACK(neon_s8, x, vec); + return x; +} +#undef DO_QNEG8 + +#define DO_QABS16(x) do { \ + if (x == (int16_t)0x8000) { \ + x = 0x7fff; \ + SET_QC(); \ + } else if (x < 0) { \ + x = -x; \ + }} while (0) +uint32_t HELPER(neon_qabs_s16)(CPUState *env, uint32_t x) +{ + neon_s16 vec; + NEON_UNPACK(neon_s16, vec, x); + DO_QABS16(vec.v1); + DO_QABS16(vec.v2); + NEON_PACK(neon_s16, x, vec); + return x; +} +#undef DO_QABS16 + +#define DO_QNEG16(x) do { \ + if (x == (int16_t)0x8000) { \ + x = 0x7fff; \ + SET_QC(); \ + } else { \ + x = -x; \ + }} while (0) +uint32_t HELPER(neon_qneg_s16)(CPUState *env, uint32_t x) +{ + neon_s16 vec; + NEON_UNPACK(neon_s16, vec, x); + DO_QNEG16(vec.v1); + DO_QNEG16(vec.v2); + NEON_PACK(neon_s16, x, vec); + return x; +} +#undef DO_QNEG16 + +uint32_t HELPER(neon_qabs_s32)(CPUState *env, uint32_t x) +{ + if (x == SIGNBIT) { + SET_QC(); + x = ~SIGNBIT; + } else if ((int32_t)x < 0) { + x = -x; + } + return x; +} + +uint32_t HELPER(neon_qneg_s32)(CPUState *env, uint32_t x) +{ + if (x == SIGNBIT) { + SET_QC(); + x = ~SIGNBIT; + } else { + x = -x; + } + return x; +} + +/* NEON Float helpers. */ +uint32_t HELPER(neon_min_f32)(uint32_t a, uint32_t b) +{ + float32 f0 = vfp_itos(a); + float32 f1 = vfp_itos(b); + return (float32_compare_quiet(f0, f1, NFS) == -1) ? a : b; +} + +uint32_t HELPER(neon_max_f32)(uint32_t a, uint32_t b) +{ + float32 f0 = vfp_itos(a); + float32 f1 = vfp_itos(b); + return (float32_compare_quiet(f0, f1, NFS) == 1) ? a : b; +} + +uint32_t HELPER(neon_abd_f32)(uint32_t a, uint32_t b) +{ + float32 f0 = vfp_itos(a); + float32 f1 = vfp_itos(b); + return vfp_stoi((float32_compare_quiet(f0, f1, NFS) == 1) + ? float32_sub(f0, f1, NFS) + : float32_sub(f1, f0, NFS)); +} + +uint32_t HELPER(neon_add_f32)(uint32_t a, uint32_t b) +{ + return vfp_stoi(float32_add(vfp_itos(a), vfp_itos(b), NFS)); +} + +uint32_t HELPER(neon_sub_f32)(uint32_t a, uint32_t b) +{ + return vfp_stoi(float32_sub(vfp_itos(a), vfp_itos(b), NFS)); +} + +uint32_t HELPER(neon_mul_f32)(uint32_t a, uint32_t b) +{ + return vfp_stoi(float32_mul(vfp_itos(a), vfp_itos(b), NFS)); +} + +/* Floating point comparisons produce an integer result. */ +#define NEON_VOP_FCMP(name, cmp) \ +uint32_t HELPER(neon_##name)(uint32_t a, uint32_t b) \ +{ \ + if (float32_compare_quiet(vfp_itos(a), vfp_itos(b), NFS) cmp 0) \ + return ~0; \ + else \ + return 0; \ +} + +NEON_VOP_FCMP(ceq_f32, ==) +NEON_VOP_FCMP(cge_f32, >=) +NEON_VOP_FCMP(cgt_f32, >) + +uint32_t HELPER(neon_acge_f32)(uint32_t a, uint32_t b) +{ + float32 f0 = float32_abs(vfp_itos(a)); + float32 f1 = float32_abs(vfp_itos(b)); + return (float32_compare_quiet(f0, f1,NFS) >= 0) ? ~0 : 0; +} + +uint32_t HELPER(neon_acgt_f32)(uint32_t a, uint32_t b) +{ + float32 f0 = float32_abs(vfp_itos(a)); + float32 f1 = float32_abs(vfp_itos(b)); + return (float32_compare_quiet(f0, f1, NFS) > 0) ? ~0 : 0; +} diff --git a/target-arm/op.c b/target-arm/op.c index 57086e349c..3937de9a43 100644 --- a/target-arm/op.c +++ b/target-arm/op.c @@ -32,7 +32,5 @@ #include "op_mem.h" #endif -#include "op_neon.h" - /* iwMMXt support */ #include "op_iwmmxt.c" diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index d1ce3a657c..20dafae8a4 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -20,6 +20,9 @@ #include "exec.h" #include "helpers.h" +#define SIGNBIT (uint32_t)0x80000000 +#define SIGNBIT64 ((uint64_t)1 << 63) + void raise_exception(int tt) { env->exception_index = tt; @@ -116,7 +119,8 @@ void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) } #endif -#define SIGNBIT (uint32_t)0x80000000 +/* FIXME: Pass an axplicit pointer to QF to CPUState, and move saturating + instructions into helper.c */ uint32_t HELPER(add_setq)(uint32_t a, uint32_t b) { uint32_t res = a + b; @@ -451,3 +455,114 @@ uint32_t HELPER(ror_cc)(uint32_t x, uint32_t i) } } +uint64_t HELPER(neon_add_saturate_s64)(uint64_t src1, uint64_t src2) +{ + uint64_t res; + + res = src1 + src2; + if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) { + env->QF = 1; + res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64; + } + return res; +} + +uint64_t HELPER(neon_add_saturate_u64)(uint64_t src1, uint64_t src2) +{ + uint64_t res; + + res = src1 + src2; + if (res < src1) { + env->QF = 1; + res = ~(uint64_t)0; + } + return res; +} + +uint64_t HELPER(neon_sub_saturate_s64)(uint64_t src1, uint64_t src2) +{ + uint64_t res; + + res = src1 - src2; + if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) { + env->QF = 1; + res = ((int64_t)src1 >> 63) ^ ~SIGNBIT64; + } + return res; +} + +uint64_t HELPER(neon_sub_saturate_u64)(uint64_t src1, uint64_t src2) +{ + uint64_t res; + + if (src1 < src2) { + env->QF = 1; + res = 0; + } else { + res = src1 - src2; + } + return res; +} + +/* These need to return a pair of value, so still use T0/T1. */ +/* Transpose. Argument order is rather strange to avoid special casing + the tranlation code. + On input T0 = rm, T1 = rd. On output T0 = rd, T1 = rm */ +void HELPER(neon_trn_u8)(void) +{ + uint32_t rd; + uint32_t rm; + rd = ((T0 & 0x00ff00ff) << 8) | (T1 & 0x00ff00ff); + rm = ((T1 & 0xff00ff00) >> 8) | (T0 & 0xff00ff00); + T0 = rd; + T1 = rm; + FORCE_RET(); +} + +void HELPER(neon_trn_u16)(void) +{ + uint32_t rd; + uint32_t rm; + rd = (T0 << 16) | (T1 & 0xffff); + rm = (T1 >> 16) | (T0 & 0xffff0000); + T0 = rd; + T1 = rm; + FORCE_RET(); +} + +/* Worker routines for zip and unzip. */ +void HELPER(neon_unzip_u8)(void) +{ + uint32_t rd; + uint32_t rm; + rd = (T0 & 0xff) | ((T0 >> 8) & 0xff00) + | ((T1 << 16) & 0xff0000) | ((T1 << 8) & 0xff000000); + rm = ((T0 >> 8) & 0xff) | ((T0 >> 16) & 0xff00) + | ((T1 << 8) & 0xff0000) | (T1 & 0xff000000); + T0 = rd; + T1 = rm; + FORCE_RET(); +} + +void HELPER(neon_zip_u8)(void) +{ + uint32_t rd; + uint32_t rm; + rd = (T0 & 0xff) | ((T1 << 8) & 0xff00) + | ((T0 << 16) & 0xff0000) | ((T1 << 24) & 0xff000000); + rm = ((T0 >> 16) & 0xff) | ((T1 >> 8) & 0xff00) + | ((T0 >> 8) & 0xff0000) | (T1 & 0xff000000); + T0 = rd; + T1 = rm; + FORCE_RET(); +} + +void HELPER(neon_zip_u16)(void) +{ + uint32_t tmp; + + tmp = (T0 & 0xffff) | (T1 << 16); + T1 = (T1 & 0xffff0000) | (T0 >> 16); + T0 = tmp; + FORCE_RET(); +} diff --git a/target-arm/op_neon.h b/target-arm/op_neon.h deleted file mode 100644 index df3b7cb2a6..0000000000 --- a/target-arm/op_neon.h +++ /dev/null @@ -1,1690 +0,0 @@ -/* - * ARM NEON vector operations. - * - * Copyright (c) 2007 CodeSourcery. - * Written by Paul Brook - * - * This code is licenced under the GPL. - */ -/* Note that for NEON an "l" prefix means it is a wide operation, unlike - scalar arm ops where it means a word size operation. */ - -#define SIGNBIT (uint32_t)0x80000000 -/* ??? NEON ops should probably have their own float status. */ -#define NFS &env->vfp.fp_status -#define NEON_OP(name) void OPPROTO op_neon_##name (void) - -/* Helper routines to perform bitwise copies between float and int. */ -static inline float32 vfp_itos(uint32_t i) -{ - union { - uint32_t i; - float32 s; - } v; - - v.i = i; - return v.s; -} - -static inline uint32_t vfp_stoi(float32 s) -{ - union { - uint32_t i; - float32 s; - } v; - - v.s = s; - return v.i; -} - -NEON_OP(getreg_T0) -{ - T0 = *(uint32_t *)((char *) env + PARAM1); -} - -NEON_OP(getreg_T1) -{ - T1 = *(uint32_t *)((char *) env + PARAM1); -} - -NEON_OP(setreg_T0) -{ - *(uint32_t *)((char *) env + PARAM1) = T0; -} - -NEON_OP(setreg_T1) -{ - *(uint32_t *)((char *) env + PARAM1) = T1; -} - -#define NEON_TYPE1(name, type) \ -typedef struct \ -{ \ - type v1; \ -} neon_##name; -#ifdef WORDS_BIGENDIAN -#define NEON_TYPE2(name, type) \ -typedef struct \ -{ \ - type v2; \ - type v1; \ -} neon_##name; -#define NEON_TYPE4(name, type) \ -typedef struct \ -{ \ - type v4; \ - type v3; \ - type v2; \ - type v1; \ -} neon_##name; -#else -#define NEON_TYPE2(name, type) \ -typedef struct \ -{ \ - type v1; \ - type v2; \ -} neon_##name; -#define NEON_TYPE4(name, type) \ -typedef struct \ -{ \ - type v1; \ - type v2; \ - type v3; \ - type v4; \ -} neon_##name; -#endif - -NEON_TYPE4(s8, int8_t) -NEON_TYPE4(u8, uint8_t) -NEON_TYPE2(s16, int16_t) -NEON_TYPE2(u16, uint16_t) -NEON_TYPE1(s32, int32_t) -NEON_TYPE1(u32, uint32_t) -#undef NEON_TYPE4 -#undef NEON_TYPE2 -#undef NEON_TYPE1 - -/* Copy from a uint32_t to a vector structure type. */ -#define NEON_UNPACK(vtype, dest, val) do { \ - union { \ - vtype v; \ - uint32_t i; \ - } conv_u; \ - conv_u.i = (val); \ - dest = conv_u.v; \ - } while(0) - -/* Copy from a vector structure type to a uint32_t. */ -#define NEON_PACK(vtype, dest, val) do { \ - union { \ - vtype v; \ - uint32_t i; \ - } conv_u; \ - conv_u.v = (val); \ - dest = conv_u.i; \ - } while(0) - -#define NEON_DO1 \ - NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); -#define NEON_DO2 \ - NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ - NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); -#define NEON_DO4 \ - NEON_FN(vdest.v1, vsrc1.v1, vsrc2.v1); \ - NEON_FN(vdest.v2, vsrc1.v2, vsrc2.v2); \ - NEON_FN(vdest.v3, vsrc1.v3, vsrc2.v3); \ - NEON_FN(vdest.v4, vsrc1.v4, vsrc2.v4); - -#define NEON_VOP(name, vtype, n) \ -NEON_OP(name) \ -{ \ - vtype vsrc1; \ - vtype vsrc2; \ - vtype vdest; \ - NEON_UNPACK(vtype, vsrc1, T0); \ - NEON_UNPACK(vtype, vsrc2, T1); \ - NEON_DO##n; \ - NEON_PACK(vtype, T0, vdest); \ - FORCE_RET(); \ -} - -#define NEON_VOP1(name, vtype, n) \ -NEON_OP(name) \ -{ \ - vtype vsrc1; \ - vtype vdest; \ - NEON_UNPACK(vtype, vsrc1, T0); \ - NEON_DO##n; \ - NEON_PACK(vtype, T0, vdest); \ - FORCE_RET(); \ -} - -/* Pairwise operations. */ -/* For 32-bit elements each segment only contains a single element, so - the elementwise and pairwise operations are the same. */ -#define NEON_PDO2 \ - NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ - NEON_FN(vdest.v2, vsrc2.v1, vsrc2.v2); -#define NEON_PDO4 \ - NEON_FN(vdest.v1, vsrc1.v1, vsrc1.v2); \ - NEON_FN(vdest.v2, vsrc1.v3, vsrc1.v4); \ - NEON_FN(vdest.v3, vsrc2.v1, vsrc2.v2); \ - NEON_FN(vdest.v4, vsrc2.v3, vsrc2.v4); \ - -#define NEON_POP(name, vtype, n) \ -NEON_OP(name) \ -{ \ - vtype vsrc1; \ - vtype vsrc2; \ - vtype vdest; \ - NEON_UNPACK(vtype, vsrc1, T0); \ - NEON_UNPACK(vtype, vsrc2, T1); \ - NEON_PDO##n; \ - NEON_PACK(vtype, T0, vdest); \ - FORCE_RET(); \ -} - -#define NEON_FN(dest, src1, src2) dest = (src1 + src2) >> 1 -NEON_VOP(hadd_s8, neon_s8, 4) -NEON_VOP(hadd_u8, neon_u8, 4) -NEON_VOP(hadd_s16, neon_s16, 2) -NEON_VOP(hadd_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(hadd_s32) -{ - int32_t src1 = T0; - int32_t src2 = T1; - int32_t dest; - - dest = (src1 >> 1) + (src2 >> 1); - if (src1 & src2 & 1) - dest++; - T0 = dest; - FORCE_RET(); -} - -NEON_OP(hadd_u32) -{ - uint32_t src1 = T0; - uint32_t src2 = T1; - uint32_t dest; - - dest = (src1 >> 1) + (src2 >> 1); - if (src1 & src2 & 1) - dest++; - T0 = dest; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = (src1 + src2 + 1) >> 1 -NEON_VOP(rhadd_s8, neon_s8, 4) -NEON_VOP(rhadd_u8, neon_u8, 4) -NEON_VOP(rhadd_s16, neon_s16, 2) -NEON_VOP(rhadd_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(rhadd_s32) -{ - int32_t src1 = T0; - int32_t src2 = T1; - int32_t dest; - - dest = (src1 >> 1) + (src2 >> 1); - if ((src1 | src2) & 1) - dest++; - T0 = dest; - FORCE_RET(); -} - -NEON_OP(rhadd_u32) -{ - uint32_t src1 = T0; - uint32_t src2 = T1; - uint32_t dest; - - dest = (src1 >> 1) + (src2 >> 1); - if ((src1 | src2) & 1) - dest++; - T0 = dest; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = (src1 - src2) >> 1 -NEON_VOP(hsub_s8, neon_s8, 4) -NEON_VOP(hsub_u8, neon_u8, 4) -NEON_VOP(hsub_s16, neon_s16, 2) -NEON_VOP(hsub_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(hsub_s32) -{ - int32_t src1 = T0; - int32_t src2 = T1; - int32_t dest; - - dest = (src1 >> 1) - (src2 >> 1); - if ((~src1) & src2 & 1) - dest--; - T0 = dest; - FORCE_RET(); -} - -NEON_OP(hsub_u32) -{ - uint32_t src1 = T0; - uint32_t src2 = T1; - uint32_t dest; - - dest = (src1 >> 1) - (src2 >> 1); - if ((~src1) & src2 & 1) - dest--; - T0 = dest; - FORCE_RET(); -} - -#define NEON_USAT(dest, src1, src2, type) do { \ - uint32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ - if (tmp != (type)tmp) { \ - env->QF = 1; \ - dest = ~0; \ - } else { \ - dest = tmp; \ - }} while(0) -#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) -NEON_VOP(qadd_u8, neon_u8, 4) -#undef NEON_FN -#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) -NEON_VOP(qadd_u16, neon_u16, 2) -#undef NEON_FN -#undef NEON_USAT - -#define NEON_SSAT(dest, src1, src2, type) do { \ - int32_t tmp = (uint32_t)src1 + (uint32_t)src2; \ - if (tmp != (type)tmp) { \ - env->QF = 1; \ - if (src2 > 0) { \ - tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ - } else { \ - tmp = 1 << (sizeof(type) * 8 - 1); \ - } \ - } \ - dest = tmp; \ - } while(0) -#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) -NEON_VOP(qadd_s8, neon_s8, 4) -#undef NEON_FN -#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) -NEON_VOP(qadd_s16, neon_s16, 2) -#undef NEON_FN -#undef NEON_SSAT - -#define NEON_USAT(dest, src1, src2, type) do { \ - uint32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ - if (tmp != (type)tmp) { \ - env->QF = 1; \ - dest = 0; \ - } else { \ - dest = tmp; \ - }} while(0) -#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint8_t) -NEON_VOP(qsub_u8, neon_u8, 4) -#undef NEON_FN -#define NEON_FN(dest, src1, src2) NEON_USAT(dest, src1, src2, uint16_t) -NEON_VOP(qsub_u16, neon_u16, 2) -#undef NEON_FN -#undef NEON_USAT - -#define NEON_SSAT(dest, src1, src2, type) do { \ - int32_t tmp = (uint32_t)src1 - (uint32_t)src2; \ - if (tmp != (type)tmp) { \ - env->QF = 1; \ - if (src2 < 0) { \ - tmp = (1 << (sizeof(type) * 8 - 1)) - 1; \ - } else { \ - tmp = 1 << (sizeof(type) * 8 - 1); \ - } \ - } \ - dest = tmp; \ - } while(0) -#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int8_t) -NEON_VOP(qsub_s8, neon_s8, 4) -#undef NEON_FN -#define NEON_FN(dest, src1, src2) NEON_SSAT(dest, src1, src2, int16_t) -NEON_VOP(qsub_s16, neon_s16, 2) -#undef NEON_FN -#undef NEON_SSAT - -#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? ~0 : 0 -NEON_VOP(cgt_s8, neon_s8, 4) -NEON_VOP(cgt_u8, neon_u8, 4) -NEON_VOP(cgt_s16, neon_s16, 2) -NEON_VOP(cgt_u16, neon_u16, 2) -NEON_VOP(cgt_s32, neon_s32, 1) -NEON_VOP(cgt_u32, neon_u32, 1) -#undef NEON_FN - -#define NEON_FN(dest, src1, src2) dest = (src1 >= src2) ? ~0 : 0 -NEON_VOP(cge_s8, neon_s8, 4) -NEON_VOP(cge_u8, neon_u8, 4) -NEON_VOP(cge_s16, neon_s16, 2) -NEON_VOP(cge_u16, neon_u16, 2) -NEON_VOP(cge_s32, neon_s32, 1) -NEON_VOP(cge_u32, neon_u32, 1) -#undef NEON_FN - -#define NEON_FN(dest, src1, src2) do { \ - int8_t tmp; \ - tmp = (int8_t)src2; \ - if (tmp < 0) { \ - dest = src1 >> -tmp; \ - } else { \ - dest = src1 << tmp; \ - }} while (0) -NEON_VOP(shl_s8, neon_s8, 4) -NEON_VOP(shl_u8, neon_u8, 4) -NEON_VOP(shl_s16, neon_s16, 2) -NEON_VOP(shl_u16, neon_u16, 2) -NEON_VOP(shl_s32, neon_s32, 1) -NEON_VOP(shl_u32, neon_u32, 1) -#undef NEON_FN - -NEON_OP(shl_u64) -{ - int8_t shift = env->vfp.scratch[0]; - uint64_t val = T0 | ((uint64_t)T1 << 32); - if (shift < 0) { - val >>= -shift; - } else { - val <<= shift; - } - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -NEON_OP(shl_s64) -{ - int8_t shift = env->vfp.scratch[0]; - int64_t val = T0 | ((uint64_t)T1 << 32); - if (shift < 0) { - val >>= -shift; - } else { - val <<= shift; - } - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) do { \ - int8_t tmp; \ - tmp = (int8_t)src1; \ - if (tmp < 0) { \ - dest = (src2 + (1 << (-1 - tmp))) >> -tmp; \ - } else { \ - dest = src2 << tmp; \ - }} while (0) - -NEON_VOP(rshl_s8, neon_s8, 4) -NEON_VOP(rshl_u8, neon_u8, 4) -NEON_VOP(rshl_s16, neon_s16, 2) -NEON_VOP(rshl_u16, neon_u16, 2) -NEON_VOP(rshl_s32, neon_s32, 1) -NEON_VOP(rshl_u32, neon_u32, 1) -#undef NEON_FN - -NEON_OP(rshl_u64) -{ - int8_t shift = env->vfp.scratch[0]; - uint64_t val = T0 | ((uint64_t)T1 << 32); - if (shift < 0) { - val = (val + ((uint64_t)1 << (-1 - shift))) >> -shift; - val >>= -shift; - } else { - val <<= shift; - } - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -NEON_OP(rshl_s64) -{ - int8_t shift = env->vfp.scratch[0]; - int64_t val = T0 | ((uint64_t)T1 << 32); - if (shift < 0) { - val = (val + ((int64_t)1 << (-1 - shift))) >> -shift; - } else { - val <<= shift; - } - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) do { \ - int8_t tmp; \ - tmp = (int8_t)src1; \ - if (tmp < 0) { \ - dest = src2 >> -tmp; \ - } else { \ - dest = src2 << tmp; \ - if ((dest >> tmp) != src2) { \ - env->QF = 1; \ - dest = ~0; \ - } \ - }} while (0) -NEON_VOP(qshl_s8, neon_s8, 4) -NEON_VOP(qshl_s16, neon_s16, 2) -NEON_VOP(qshl_s32, neon_s32, 1) -#undef NEON_FN - -NEON_OP(qshl_s64) -{ - int8_t shift = env->vfp.scratch[0]; - int64_t val = T0 | ((uint64_t)T1 << 32); - if (shift < 0) { - val >>= -shift; - } else { - int64_t tmp = val; - val <<= shift; - if ((val >> shift) != tmp) { - env->QF = 1; - val = (tmp >> 63) ^ 0x7fffffffffffffffULL; - } - } - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) do { \ - int8_t tmp; \ - tmp = (int8_t)src1; \ - if (tmp < 0) { \ - dest = src2 >> -tmp; \ - } else { \ - dest = src2 << tmp; \ - if ((dest >> tmp) != src2) { \ - env->QF = 1; \ - dest = src2 >> 31; \ - } \ - }} while (0) -NEON_VOP(qshl_u8, neon_u8, 4) -NEON_VOP(qshl_u16, neon_u16, 2) -NEON_VOP(qshl_u32, neon_u32, 1) -#undef NEON_FN - -NEON_OP(qshl_u64) -{ - int8_t shift = env->vfp.scratch[0]; - uint64_t val = T0 | ((uint64_t)T1 << 32); - if (shift < 0) { - val >>= -shift; - } else { - uint64_t tmp = val; - val <<= shift; - if ((val >> shift) != tmp) { - env->QF = 1; - val = ~(uint64_t)0; - } - } - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) do { \ - int8_t tmp; \ - tmp = (int8_t)src1; \ - if (tmp < 0) { \ - dest = (src2 + (1 << (-1 - tmp))) >> -tmp; \ - } else { \ - dest = src2 << tmp; \ - if ((dest >> tmp) != src2) { \ - dest = ~0; \ - } \ - }} while (0) -NEON_VOP(qrshl_s8, neon_s8, 4) -NEON_VOP(qrshl_s16, neon_s16, 2) -NEON_VOP(qrshl_s32, neon_s32, 1) -#undef NEON_FN - -#define NEON_FN(dest, src1, src2) do { \ - int8_t tmp; \ - tmp = (int8_t)src1; \ - if (tmp < 0) { \ - dest = (src2 + (1 << (-1 - tmp))) >> -tmp; \ - } else { \ - dest = src2 << tmp; \ - if ((dest >> tmp) != src2) { \ - env->QF = 1; \ - dest = src2 >> 31; \ - } \ - }} while (0) -NEON_VOP(qrshl_u8, neon_u8, 4) -NEON_VOP(qrshl_u16, neon_u16, 2) -NEON_VOP(qrshl_u32, neon_u32, 1) -#undef NEON_FN - -#define NEON_FN(dest, src1, src2) dest = (src1 > src2) ? src1 : src2 -NEON_VOP(max_s8, neon_s8, 4) -NEON_VOP(max_u8, neon_u8, 4) -NEON_VOP(max_s16, neon_s16, 2) -NEON_VOP(max_u16, neon_u16, 2) -NEON_VOP(max_s32, neon_s32, 1) -NEON_VOP(max_u32, neon_u32, 1) -NEON_POP(pmax_s8, neon_s8, 4) -NEON_POP(pmax_u8, neon_u8, 4) -NEON_POP(pmax_s16, neon_s16, 2) -NEON_POP(pmax_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(max_f32) -{ - float32 f0 = vfp_itos(T0); - float32 f1 = vfp_itos(T1); - T0 = (float32_compare_quiet(f0, f1, NFS) == 1) ? T0 : T1; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = (src1 < src2) ? src1 : src2 -NEON_VOP(min_s8, neon_s8, 4) -NEON_VOP(min_u8, neon_u8, 4) -NEON_VOP(min_s16, neon_s16, 2) -NEON_VOP(min_u16, neon_u16, 2) -NEON_VOP(min_s32, neon_s32, 1) -NEON_VOP(min_u32, neon_u32, 1) -NEON_POP(pmin_s8, neon_s8, 4) -NEON_POP(pmin_u8, neon_u8, 4) -NEON_POP(pmin_s16, neon_s16, 2) -NEON_POP(pmin_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(min_f32) -{ - float32 f0 = vfp_itos(T0); - float32 f1 = vfp_itos(T1); - T0 = (float32_compare_quiet(f0, f1, NFS) == -1) ? T0 : T1; - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) \ - dest = (src1 > src2) ? (src1 - src2) : (src2 - src1) -NEON_VOP(abd_s8, neon_s8, 4) -NEON_VOP(abd_u8, neon_u8, 4) -NEON_VOP(abd_s16, neon_s16, 2) -NEON_VOP(abd_u16, neon_u16, 2) -NEON_VOP(abd_s32, neon_s32, 1) -NEON_VOP(abd_u32, neon_u32, 1) -#undef NEON_FN - -NEON_OP(abd_f32) -{ - float32 f0 = vfp_itos(T0); - float32 f1 = vfp_itos(T1); - T0 = vfp_stoi((float32_compare_quiet(f0, f1, NFS) == 1) - ? float32_sub(f0, f1, NFS) - : float32_sub(f1, f0, NFS)); - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = src1 + src2 -NEON_VOP(add_u8, neon_u8, 4) -NEON_VOP(add_u16, neon_u16, 2) -NEON_POP(padd_u8, neon_u8, 4) -NEON_POP(padd_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(add_f32) -{ - T0 = vfp_stoi(float32_add(vfp_itos(T0), vfp_itos(T1), NFS)); - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = src1 - src2 -NEON_VOP(sub_u8, neon_u8, 4) -NEON_VOP(sub_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(sub_f32) -{ - T0 = vfp_stoi(float32_sub(vfp_itos(T0), vfp_itos(T1), NFS)); - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = src2 - src1 -NEON_VOP(rsb_u8, neon_u8, 4) -NEON_VOP(rsb_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(rsb_f32) -{ - T0 = vfp_stoi(float32_sub(vfp_itos(T1), vfp_itos(T0), NFS)); - FORCE_RET(); -} - -#define NEON_FN(dest, src1, src2) dest = src1 * src2 -NEON_VOP(mul_u8, neon_u8, 4) -NEON_VOP(mul_u16, neon_u16, 2) -#undef NEON_FN - -NEON_OP(mul_f32) -{ - T0 = vfp_stoi(float32_mul(vfp_itos(T0), vfp_itos(T1), NFS)); - FORCE_RET(); -} - -NEON_OP(mul_p8) -{ - T0 = helper_neon_mul_p8(T0, T1); -} - -#define NEON_FN(dest, src1, src2) dest = (src1 & src2) ? -1 : 0 -NEON_VOP(tst_u8, neon_u8, 4) -NEON_VOP(tst_u16, neon_u16, 2) -NEON_VOP(tst_u32, neon_u32, 1) -#undef NEON_FN - -#define NEON_FN(dest, src1, src2) dest = (src1 == src2) ? -1 : 0 -NEON_VOP(ceq_u8, neon_u8, 4) -NEON_VOP(ceq_u16, neon_u16, 2) -NEON_VOP(ceq_u32, neon_u32, 1) -#undef NEON_FN - -#define NEON_QDMULH16(dest, src1, src2, round) do { \ - uint32_t tmp = (int32_t)(int16_t) src1 * (int16_t) src2; \ - if ((tmp ^ (tmp << 1)) & SIGNBIT) { \ - env->QF = 1; \ - tmp = (tmp >> 31) ^ ~SIGNBIT; \ - } \ - tmp <<= 1; \ - if (round) { \ - int32_t old = tmp; \ - tmp += 1 << 15; \ - if ((int32_t)tmp < old) { \ - env->QF = 1; \ - tmp = SIGNBIT - 1; \ - } \ - } \ - dest = tmp >> 16; \ - } while(0) -#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 0) -NEON_VOP(qdmulh_s16, neon_s16, 2) -#undef NEON_FN -#define NEON_FN(dest, src1, src2) NEON_QDMULH16(dest, src1, src2, 1) -NEON_VOP(qrdmulh_s16, neon_s16, 2) -#undef NEON_FN -#undef NEON_QDMULH16 - -#define SIGNBIT64 ((uint64_t)1 << 63) -#define NEON_QDMULH32(dest, src1, src2, round) do { \ - uint64_t tmp = (int64_t)(int32_t) src1 * (int32_t) src2; \ - if ((tmp ^ (tmp << 1)) & SIGNBIT64) { \ - env->QF = 1; \ - tmp = (tmp >> 63) ^ ~SIGNBIT64; \ - } else { \ - tmp <<= 1; \ - } \ - if (round) { \ - int64_t old = tmp; \ - tmp += (int64_t)1 << 31; \ - if ((int64_t)tmp < old) { \ - env->QF = 1; \ - tmp = SIGNBIT64 - 1; \ - } \ - } \ - dest = tmp >> 32; \ - } while(0) -#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 0) -NEON_VOP(qdmulh_s32, neon_s32, 1) -#undef NEON_FN -#define NEON_FN(dest, src1, src2) NEON_QDMULH32(dest, src1, src2, 1) -NEON_VOP(qrdmulh_s32, neon_s32, 1) -#undef NEON_FN -#undef NEON_QDMULH32 - -/* Floating point comparisons produce an integer result. */ -#define NEON_VOP_FCMP(name, cmp) \ -NEON_OP(name) \ -{ \ - if (float32_compare_quiet(vfp_itos(T0), vfp_itos(T1), NFS) cmp 0) \ - T0 = -1; \ - else \ - T0 = 0; \ - FORCE_RET(); \ -} - -NEON_VOP_FCMP(ceq_f32, ==) -NEON_VOP_FCMP(cge_f32, >=) -NEON_VOP_FCMP(cgt_f32, >) - -NEON_OP(acge_f32) -{ - float32 f0 = float32_abs(vfp_itos(T0)); - float32 f1 = float32_abs(vfp_itos(T1)); - T0 = (float32_compare_quiet(f0, f1,NFS) >= 0) ? -1 : 0; - FORCE_RET(); -} - -NEON_OP(acgt_f32) -{ - float32 f0 = float32_abs(vfp_itos(T0)); - float32 f1 = float32_abs(vfp_itos(T1)); - T0 = (float32_compare_quiet(f0, f1, NFS) > 0) ? -1 : 0; - FORCE_RET(); -} - -/* Narrowing instructions. The named type is the destination type. */ -NEON_OP(narrow_u8) -{ - T0 = (T0 & 0xff) | ((T0 >> 8) & 0xff00) - | ((T1 << 16) & 0xff0000) | (T1 << 24); - FORCE_RET(); -} - -NEON_OP(narrow_sat_u8) -{ - neon_u16 src; - neon_u8 dest; -#define SAT8(d, s) \ - if (s > 0xff) { \ - d = 0xff; \ - env->QF = 1; \ - } else { \ - d = s; \ - } - - NEON_UNPACK(neon_u16, src, T0); - SAT8(dest.v1, src.v1); - SAT8(dest.v2, src.v2); - NEON_UNPACK(neon_u16, src, T1); - SAT8(dest.v3, src.v1); - SAT8(dest.v4, src.v2); - NEON_PACK(neon_u8, T0, dest); - FORCE_RET(); -#undef SAT8 -} - -NEON_OP(narrow_sat_s8) -{ - neon_s16 src; - neon_s8 dest; -#define SAT8(d, s) \ - if (s != (uint8_t)s) { \ - d = (s >> 15) ^ 0x7f; \ - env->QF = 1; \ - } else { \ - d = s; \ - } - - NEON_UNPACK(neon_s16, src, T0); - SAT8(dest.v1, src.v1); - SAT8(dest.v2, src.v2); - NEON_UNPACK(neon_s16, src, T1); - SAT8(dest.v3, src.v1); - SAT8(dest.v4, src.v2); - NEON_PACK(neon_s8, T0, dest); - FORCE_RET(); -#undef SAT8 -} - -NEON_OP(narrow_u16) -{ - T0 = (T0 & 0xffff) | (T1 << 16); -} - -NEON_OP(narrow_sat_u16) -{ - if (T0 > 0xffff) { - T0 = 0xffff; - env->QF = 1; - } - if (T1 > 0xffff) { - T1 = 0xffff; - env->QF = 1; - } - T0 |= T1 << 16; - FORCE_RET(); -} - -NEON_OP(narrow_sat_s16) -{ - if ((int32_t)T0 != (int16_t)T0) { - T0 = ((int32_t)T0 >> 31) ^ 0x7fff; - env->QF = 1; - } - if ((int32_t)T1 != (int16_t) T1) { - T1 = ((int32_t)T1 >> 31) ^ 0x7fff; - env->QF = 1; - } - T0 = (uint16_t)T0 | (T1 << 16); - FORCE_RET(); -} - -NEON_OP(narrow_sat_u32) -{ - if (T1) { - T0 = 0xffffffffu; - env->QF = 1; - } - FORCE_RET(); -} - -NEON_OP(narrow_sat_s32) -{ - int32_t sign = (int32_t)T1 >> 31; - - if ((int32_t)T1 != sign) { - T0 = sign ^ 0x7fffffff; - env->QF = 1; - } - FORCE_RET(); -} - -/* Narrowing instructions. Named type is the narrow type. */ -NEON_OP(narrow_high_u8) -{ - T0 = ((T0 >> 8) & 0xff) | ((T0 >> 16) & 0xff00) - | ((T1 << 8) & 0xff0000) | (T1 & 0xff000000); - FORCE_RET(); -} - -NEON_OP(narrow_high_u16) -{ - T0 = (T0 >> 16) | (T1 & 0xffff0000); - FORCE_RET(); -} - -NEON_OP(narrow_high_round_u8) -{ - T0 = (((T0 + 0x80) >> 8) & 0xff) | (((T0 + 0x800000) >> 16) & 0xff00) - | (((T1 + 0x80) << 8) & 0xff0000) | ((T1 + 0x800000) & 0xff000000); - FORCE_RET(); -} - -NEON_OP(narrow_high_round_u16) -{ - T0 = ((T0 + 0x8000) >> 16) | ((T1 + 0x8000) & 0xffff0000); - FORCE_RET(); -} - -NEON_OP(narrow_high_round_u32) -{ - if (T0 >= 0x80000000u) - T0 = T1 + 1; - else - T0 = T1; - FORCE_RET(); -} - -/* Widening instructions. Named type is source type. */ -NEON_OP(widen_s8) -{ - uint32_t src; - - src = T0; - T0 = (uint16_t)(int8_t)src | ((int8_t)(src >> 8) << 16); - T1 = (uint16_t)(int8_t)(src >> 16) | ((int8_t)(src >> 24) << 16); -} - -NEON_OP(widen_u8) -{ - T1 = ((T0 >> 8) & 0xff0000) | ((T0 >> 16) & 0xff); - T0 = ((T0 << 8) & 0xff0000) | (T0 & 0xff); -} - -NEON_OP(widen_s16) -{ - int32_t src; - - src = T0; - T0 = (int16_t)src; - T1 = src >> 16; -} - -NEON_OP(widen_u16) -{ - T1 = T0 >> 16; - T0 &= 0xffff; -} - -NEON_OP(widen_s32) -{ - T1 = (int32_t)T0 >> 31; - FORCE_RET(); -} - -NEON_OP(widen_high_u8) -{ - T1 = (T0 & 0xff000000) | ((T0 >> 8) & 0xff00); - T0 = ((T0 << 16) & 0xff000000) | ((T0 << 8) & 0xff00); -} - -NEON_OP(widen_high_u16) -{ - T1 = T0 & 0xffff0000; - T0 <<= 16; -} - -/* Long operations. The type is the wide type. */ -NEON_OP(shll_u16) -{ - int shift = PARAM1; - uint32_t mask; - - mask = 0xffff >> (16 - shift); - mask |= mask << 16; - mask = ~mask; - - T0 = (T0 << shift) & mask; - T1 = (T1 << shift) & mask; - FORCE_RET(); -} - -NEON_OP(shll_u64) -{ - int shift = PARAM1; - - T1 <<= shift; - T1 |= T0 >> (32 - shift); - T0 <<= shift; - FORCE_RET(); -} - -NEON_OP(addl_u16) -{ - uint32_t tmp; - uint32_t high; - - tmp = env->vfp.scratch[0]; - high = (T0 >> 16) + (tmp >> 16); - T0 = (uint16_t)(T0 + tmp); - T0 |= (high << 16); - tmp = env->vfp.scratch[1]; - high = (T1 >> 16) + (tmp >> 16); - T1 = (uint16_t)(T1 + tmp); - T1 |= (high << 16); - FORCE_RET(); -} - -NEON_OP(addl_u32) -{ - T0 += env->vfp.scratch[0]; - T1 += env->vfp.scratch[1]; - FORCE_RET(); -} - -NEON_OP(addl_u64) -{ - uint64_t tmp; - tmp = T0 | ((uint64_t)T1 << 32); - tmp += env->vfp.scratch[0]; - tmp += (uint64_t)env->vfp.scratch[1] << 32; - T0 = tmp; - T1 = tmp >> 32; - FORCE_RET(); -} - -NEON_OP(subl_u16) -{ - uint32_t tmp; - uint32_t high; - - tmp = env->vfp.scratch[0]; - high = (T0 >> 16) - (tmp >> 16); - T0 = (uint16_t)(T0 - tmp); - T0 |= (high << 16); - tmp = env->vfp.scratch[1]; - high = (T1 >> 16) - (tmp >> 16); - T1 = (uint16_t)(T1 - tmp); - T1 |= (high << 16); - FORCE_RET(); -} - -NEON_OP(subl_u32) -{ - T0 -= env->vfp.scratch[0]; - T1 -= env->vfp.scratch[1]; - FORCE_RET(); -} - -NEON_OP(subl_u64) -{ - uint64_t tmp; - tmp = T0 | ((uint64_t)T1 << 32); - tmp -= env->vfp.scratch[0]; - tmp -= (uint64_t)env->vfp.scratch[1] << 32; - T0 = tmp; - T1 = tmp >> 32; - FORCE_RET(); -} - -#define DO_ABD(dest, x, y, type) do { \ - type tmp_x = x; \ - type tmp_y = y; \ - dest = ((tmp_x > tmp_y) ? tmp_x - tmp_y : tmp_y - tmp_x); \ - } while(0) - -NEON_OP(abdl_u16) -{ - uint32_t tmp; - uint32_t low; - uint32_t high; - - DO_ABD(low, T0, T1, uint8_t); - DO_ABD(tmp, T0 >> 8, T1 >> 8, uint8_t); - low |= tmp << 16; - DO_ABD(high, T0 >> 16, T1 >> 16, uint8_t); - DO_ABD(tmp, T0 >> 24, T1 >> 24, uint8_t); - high |= tmp << 16; - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(abdl_s16) -{ - uint32_t tmp; - uint32_t low; - uint32_t high; - - DO_ABD(low, T0, T1, int8_t); - DO_ABD(tmp, T0 >> 8, T1 >> 8, int8_t); - low |= tmp << 16; - DO_ABD(high, T0 >> 16, T1 >> 16, int8_t); - DO_ABD(tmp, T0 >> 24, T1 >> 24, int8_t); - high |= tmp << 16; - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(abdl_u32) -{ - uint32_t low; - uint32_t high; - - DO_ABD(low, T0, T1, uint16_t); - DO_ABD(high, T0 >> 16, T1 >> 16, uint16_t); - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(abdl_s32) -{ - uint32_t low; - uint32_t high; - - DO_ABD(low, T0, T1, int16_t); - DO_ABD(high, T0 >> 16, T1 >> 16, int16_t); - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(abdl_u64) -{ - DO_ABD(T0, T0, T1, uint32_t); - T1 = 0; -} - -NEON_OP(abdl_s64) -{ - DO_ABD(T0, T0, T1, int32_t); - T1 = 0; -} -#undef DO_ABD - -/* Widening multiple. Named type is the source type. */ -#define DO_MULL(dest, x, y, type1, type2) do { \ - type1 tmp_x = x; \ - type1 tmp_y = y; \ - dest = (type2)((type2)tmp_x * (type2)tmp_y); \ - } while(0) - -NEON_OP(mull_u8) -{ - uint32_t tmp; - uint32_t low; - uint32_t high; - - DO_MULL(low, T0, T1, uint8_t, uint16_t); - DO_MULL(tmp, T0 >> 8, T1 >> 8, uint8_t, uint16_t); - low |= tmp << 16; - DO_MULL(high, T0 >> 16, T1 >> 16, uint8_t, uint16_t); - DO_MULL(tmp, T0 >> 24, T1 >> 24, uint8_t, uint16_t); - high |= tmp << 16; - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(mull_s8) -{ - uint32_t tmp; - uint32_t low; - uint32_t high; - - DO_MULL(low, T0, T1, int8_t, uint16_t); - DO_MULL(tmp, T0 >> 8, T1 >> 8, int8_t, uint16_t); - low |= tmp << 16; - DO_MULL(high, T0 >> 16, T1 >> 16, int8_t, uint16_t); - DO_MULL(tmp, T0 >> 24, T1 >> 24, int8_t, uint16_t); - high |= tmp << 16; - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(mull_u16) -{ - uint32_t low; - uint32_t high; - - DO_MULL(low, T0, T1, uint16_t, uint32_t); - DO_MULL(high, T0 >> 16, T1 >> 16, uint16_t, uint32_t); - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(mull_s16) -{ - uint32_t low; - uint32_t high; - - DO_MULL(low, T0, T1, int16_t, uint32_t); - DO_MULL(high, T0 >> 16, T1 >> 16, int16_t, uint32_t); - T0 = low; - T1 = high; - FORCE_RET(); -} - -NEON_OP(addl_saturate_s32) -{ - uint32_t tmp; - uint32_t res; - - tmp = env->vfp.scratch[0]; - res = T0 + tmp; - if (((res ^ T0) & SIGNBIT) && !((T0 ^ tmp) & SIGNBIT)) { - env->QF = 1; - T0 = (T0 >> 31) ^ 0x7fffffff; - } else { - T0 = res; - } - tmp = env->vfp.scratch[1]; - res = T1 + tmp; - if (((res ^ T1) & SIGNBIT) && !((T1 ^ tmp) & SIGNBIT)) { - env->QF = 1; - T1 = (T1 >> 31) ^ 0x7fffffff; - } else { - T1 = res; - } - FORCE_RET(); -} - -NEON_OP(addl_saturate_s64) -{ - uint64_t src1; - uint64_t src2; - uint64_t res; - - src1 = T0 + ((uint64_t)T1 << 32); - src2 = env->vfp.scratch[0] + ((uint64_t)env->vfp.scratch[1] << 32); - res = src1 + src2; - if (((res ^ src1) & SIGNBIT64) && !((src1 ^ src2) & SIGNBIT64)) { - env->QF = 1; - T0 = ~(int64_t)src1 >> 63; - T1 = T0 ^ 0x80000000; - } else { - T0 = res; - T1 = res >> 32; - } - FORCE_RET(); -} - -NEON_OP(addl_saturate_u64) -{ - uint64_t src1; - uint64_t src2; - uint64_t res; - - src1 = T0 + ((uint64_t)T1 << 32); - src2 = env->vfp.scratch[0] + ((uint64_t)env->vfp.scratch[1] << 32); - res = src1 + src2; - if (res < src1) { - env->QF = 1; - T0 = 0xffffffff; - T1 = 0xffffffff; - } else { - T0 = res; - T1 = res >> 32; - } - FORCE_RET(); -} - -NEON_OP(subl_saturate_s64) -{ - uint64_t src1; - uint64_t src2; - uint64_t res; - - src1 = T0 + ((uint64_t)T1 << 32); - src2 = env->vfp.scratch[0] + ((uint64_t)env->vfp.scratch[1] << 32); - res = src1 - src2; - if (((res ^ src1) & SIGNBIT64) && ((src1 ^ src2) & SIGNBIT64)) { - env->QF = 1; - T0 = ~(int64_t)src1 >> 63; - T1 = T0 ^ 0x80000000; - } else { - T0 = res; - T1 = res >> 32; - } - FORCE_RET(); -} - -NEON_OP(subl_saturate_u64) -{ - uint64_t src1; - uint64_t src2; - uint64_t res; - - src1 = T0 + ((uint64_t)T1 << 32); - src2 = env->vfp.scratch[0] + ((uint64_t)env->vfp.scratch[1] << 32); - if (src1 < src2) { - env->QF = 1; - T0 = 0; - T1 = 0; - } else { - res = src1 - src2; - T0 = res; - T1 = res >> 32; - } - FORCE_RET(); -} - -NEON_OP(negl_u16) -{ - uint32_t tmp; - tmp = T0 >> 16; - tmp = -tmp; - T0 = (-T0 & 0xffff) | (tmp << 16); - tmp = T1 >> 16; - tmp = -tmp; - T1 = (-T1 & 0xffff) | (tmp << 16); - FORCE_RET(); -} - -NEON_OP(negl_u32) -{ - T0 = -T0; - T1 = -T1; - FORCE_RET(); -} - -NEON_OP(negl_u64) -{ - uint64_t val; - - val = T0 | ((uint64_t)T1 << 32); - val = -val; - T0 = val; - T1 = val >> 32; - FORCE_RET(); -} - -/* Scalar operations. */ -NEON_OP(dup_low16) -{ - T0 = (T0 & 0xffff) | (T0 << 16); - FORCE_RET(); -} - -NEON_OP(dup_high16) -{ - T0 = (T0 >> 16) | (T0 & 0xffff0000); - FORCE_RET(); -} - -/* Helper for VEXT */ -NEON_OP(extract) -{ - int shift = PARAM1; - T0 = (T0 >> shift) | (T1 << (32 - shift)); - FORCE_RET(); -} - -/* Pairwise add long. Named type is source type. */ -NEON_OP(paddl_s8) -{ - int8_t src1; - int8_t src2; - uint16_t result; - src1 = T0 >> 24; - src2 = T0 >> 16; - result = (uint16_t)src1 + src2; - src1 = T0 >> 8; - src2 = T0; - T0 = (uint16_t)((uint16_t)src1 + src2) | ((uint32_t)result << 16); - FORCE_RET(); -} - -NEON_OP(paddl_u8) -{ - uint8_t src1; - uint8_t src2; - uint16_t result; - src1 = T0 >> 24; - src2 = T0 >> 16; - result = (uint16_t)src1 + src2; - src1 = T0 >> 8; - src2 = T0; - T0 = (uint16_t)((uint16_t)src1 + src2) | ((uint32_t)result << 16); - FORCE_RET(); -} - -NEON_OP(paddl_s16) -{ - T0 = (uint32_t)(int16_t)T0 + (uint32_t)(int16_t)(T0 >> 16); - FORCE_RET(); -} - -NEON_OP(paddl_u16) -{ - T0 = (uint32_t)(uint16_t)T0 + (uint32_t)(uint16_t)(T0 >> 16); - FORCE_RET(); -} - -NEON_OP(paddl_s32) -{ - int64_t tmp; - tmp = (int64_t)(int32_t)T0 + (int64_t)(int32_t)T1; - T0 = tmp; - T1 = tmp >> 32; - FORCE_RET(); -} - -NEON_OP(paddl_u32) -{ - uint64_t tmp; - tmp = (uint64_t)T0 + (uint64_t)T1; - T0 = tmp; - T1 = tmp >> 32; - FORCE_RET(); -} - -/* Count Leading Sign/Zero Bits. */ -static inline int do_clz8(uint8_t x) -{ - int n; - for (n = 8; x; n--) - x >>= 1; - return n; -} - -static inline int do_clz16(uint16_t x) -{ - int n; - for (n = 16; x; n--) - x >>= 1; - return n; -} - -NEON_OP(clz_u8) -{ - uint32_t result; - uint32_t tmp; - - tmp = T0; - result = do_clz8(tmp); - result |= do_clz8(tmp >> 8) << 8; - result |= do_clz8(tmp >> 16) << 16; - result |= do_clz8(tmp >> 24) << 24; - T0 = result; - FORCE_RET(); -} - -NEON_OP(clz_u16) -{ - uint32_t result; - uint32_t tmp; - tmp = T0; - result = do_clz16(tmp); - result |= do_clz16(tmp >> 16) << 16; - T0 = result; - FORCE_RET(); -} - -NEON_OP(cls_s8) -{ - uint32_t result; - int8_t tmp; - tmp = T0; - result = do_clz8((tmp < 0) ? ~tmp : tmp) - 1; - tmp = T0 >> 8; - result |= (do_clz8((tmp < 0) ? ~tmp : tmp) - 1) << 8; - tmp = T0 >> 16; - result |= (do_clz8((tmp < 0) ? ~tmp : tmp) - 1) << 16; - tmp = T0 >> 24; - result |= (do_clz8((tmp < 0) ? ~tmp : tmp) - 1) << 24; - T0 = result; - FORCE_RET(); -} - -NEON_OP(cls_s16) -{ - uint32_t result; - int16_t tmp; - tmp = T0; - result = do_clz16((tmp < 0) ? ~tmp : tmp) - 1; - tmp = T0 >> 16; - result |= (do_clz16((tmp < 0) ? ~tmp : tmp) - 1) << 16; - T0 = result; - FORCE_RET(); -} - -NEON_OP(cls_s32) -{ - int count; - if ((int32_t)T0 < 0) - T0 = ~T0; - for (count = 32; T0 > 0; count--) - T0 = T0 >> 1; - T0 = count - 1; - FORCE_RET(); -} - -/* Bit count. */ -NEON_OP(cnt_u8) -{ - T0 = (T0 & 0x55555555) + ((T0 >> 1) & 0x55555555); - T0 = (T0 & 0x33333333) + ((T0 >> 2) & 0x33333333); - T0 = (T0 & 0x0f0f0f0f) + ((T0 >> 4) & 0x0f0f0f0f); - FORCE_RET(); -} - -/* Saturnating negation. */ -/* ??? Make these use NEON_VOP1 */ -#define DO_QABS8(x) do { \ - if (x == (int8_t)0x80) { \ - x = 0x7f; \ - env->QF = 1; \ - } else if (x < 0) { \ - x = -x; \ - }} while (0) -NEON_OP(qabs_s8) -{ - neon_s8 vec; - NEON_UNPACK(neon_s8, vec, T0); - DO_QABS8(vec.v1); - DO_QABS8(vec.v2); - DO_QABS8(vec.v3); - DO_QABS8(vec.v4); - NEON_PACK(neon_s8, T0, vec); - FORCE_RET(); -} -#undef DO_QABS8 - -#define DO_QNEG8(x) do { \ - if (x == (int8_t)0x80) { \ - x = 0x7f; \ - env->QF = 1; \ - } else { \ - x = -x; \ - }} while (0) -NEON_OP(qneg_s8) -{ - neon_s8 vec; - NEON_UNPACK(neon_s8, vec, T0); - DO_QNEG8(vec.v1); - DO_QNEG8(vec.v2); - DO_QNEG8(vec.v3); - DO_QNEG8(vec.v4); - NEON_PACK(neon_s8, T0, vec); - FORCE_RET(); -} -#undef DO_QNEG8 - -#define DO_QABS16(x) do { \ - if (x == (int16_t)0x8000) { \ - x = 0x7fff; \ - env->QF = 1; \ - } else if (x < 0) { \ - x = -x; \ - }} while (0) -NEON_OP(qabs_s16) -{ - neon_s16 vec; - NEON_UNPACK(neon_s16, vec, T0); - DO_QABS16(vec.v1); - DO_QABS16(vec.v2); - NEON_PACK(neon_s16, T0, vec); - FORCE_RET(); -} -#undef DO_QABS16 - -#define DO_QNEG16(x) do { \ - if (x == (int16_t)0x8000) { \ - x = 0x7fff; \ - env->QF = 1; \ - } else { \ - x = -x; \ - }} while (0) -NEON_OP(qneg_s16) -{ - neon_s16 vec; - NEON_UNPACK(neon_s16, vec, T0); - DO_QNEG16(vec.v1); - DO_QNEG16(vec.v2); - NEON_PACK(neon_s16, T0, vec); - FORCE_RET(); -} -#undef DO_QNEG16 - -NEON_OP(qabs_s32) -{ - if (T0 == 0x80000000) { - T0 = 0x7fffffff; - env->QF = 1; - } else if ((int32_t)T0 < 0) { - T0 = -T0; - } - FORCE_RET(); -} - -NEON_OP(qneg_s32) -{ - if (T0 == 0x80000000) { - T0 = 0x7fffffff; - env->QF = 1; - } else { - T0 = -T0; - } - FORCE_RET(); -} - -/* Unary opperations */ -#define NEON_FN(dest, src, dummy) dest = (src < 0) ? -src : src -NEON_VOP1(abs_s8, neon_s8, 4) -NEON_VOP1(abs_s16, neon_s16, 2) -NEON_OP(abs_s32) -{ - if ((int32_t)T0 < 0) - T0 = -T0; - FORCE_RET(); -} -#undef NEON_FN - -/* Transpose. Argument order is rather strange to avoid special casing - the tranlation code. - On input T0 = rm, T1 = rd. On output T0 = rd, T1 = rm */ -NEON_OP(trn_u8) -{ - uint32_t rd; - uint32_t rm; - rd = ((T0 & 0x00ff00ff) << 8) | (T1 & 0x00ff00ff); - rm = ((T1 & 0xff00ff00) >> 8) | (T0 & 0xff00ff00); - T0 = rd; - T1 = rm; - FORCE_RET(); -} - -NEON_OP(trn_u16) -{ - uint32_t rd; - uint32_t rm; - rd = (T0 << 16) | (T1 & 0xffff); - rm = (T1 >> 16) | (T0 & 0xffff0000); - T0 = rd; - T1 = rm; - FORCE_RET(); -} - -/* Worker routines for zip and unzip. */ -NEON_OP(unzip_u8) -{ - uint32_t rd; - uint32_t rm; - rd = (T0 & 0xff) | ((T0 >> 8) & 0xff00) - | ((T1 << 16) & 0xff0000) | ((T1 << 8) & 0xff000000); - rm = ((T0 >> 8) & 0xff) | ((T0 >> 16) & 0xff00) - | ((T1 << 8) & 0xff0000) | (T1 & 0xff000000); - T0 = rd; - T1 = rm; - FORCE_RET(); -} - -NEON_OP(zip_u8) -{ - uint32_t rd; - uint32_t rm; - rd = (T0 & 0xff) | ((T1 << 8) & 0xff00) - | ((T0 << 16) & 0xff0000) | ((T1 << 24) & 0xff000000); - rm = ((T0 >> 16) & 0xff) | ((T1 >> 8) & 0xff00) - | ((T0 >> 8) & 0xff0000) | (T1 & 0xff000000); - T0 = rd; - T1 = rm; - FORCE_RET(); -} - -NEON_OP(zip_u16) -{ - uint32_t tmp; - - tmp = (T0 & 0xffff) | (T1 << 16); - T1 = (T1 & 0xffff0000) | (T0 >> 16); - T0 = tmp; - FORCE_RET(); -} - -NEON_OP(dup_u8) -{ - T0 = (T0 >> PARAM1) & 0xff; - T0 |= T0 << 8; - T0 |= T0 << 16; - FORCE_RET(); -} diff --git a/target-arm/translate.c b/target-arm/translate.c index a4b1df504b..582dfa73be 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -77,6 +77,9 @@ extern FILE *logfile; extern int loglevel; static TCGv cpu_env; +/* We reuse the same 64-bit temporaries for efficiency. */ +static TCGv cpu_V0, cpu_V1; + /* FIXME: These should be removed. */ static TCGv cpu_T[2]; static TCGv cpu_F0s, cpu_F1s, cpu_F0d, cpu_F1d; @@ -469,6 +472,9 @@ static inline void gen_op_bicl_T0_T1(void) } /* FIXME: Implement this natively. */ +#define tcg_gen_abs_i32(t0, t1) gen_helper_abs(t0, t1) + +/* FIXME: Implement this natively. */ static void tcg_gen_rori_i32(TCGv t0, TCGv t1, int i) { TCGv tmp; @@ -1166,8 +1172,13 @@ neon_reg_offset (int reg, int n) return vfp_reg_offset(0, sreg); } -#define NEON_GET_REG(T, reg, n) gen_op_neon_getreg_##T(neon_reg_offset(reg, n)) -#define NEON_SET_REG(T, reg, n) gen_op_neon_setreg_##T(neon_reg_offset(reg, n)) +/* FIXME: Remove these. */ +#define neon_T0 cpu_T[0] +#define neon_T1 cpu_T[1] +#define NEON_GET_REG(T, reg, n) \ + tcg_gen_ld_i32(neon_##T, cpu_env, neon_reg_offset(reg, n)) +#define NEON_SET_REG(T, reg, n) \ + tcg_gen_st_i32(neon_##T, cpu_env, neon_reg_offset(reg, n)) static TCGv neon_load_reg(int reg, int pass) { @@ -1182,6 +1193,16 @@ static void neon_store_reg(int reg, int pass, TCGv var) dead_tmp(var); } +static inline void neon_load_reg64(TCGv var, int reg) +{ + tcg_gen_ld_i64(var, cpu_env, vfp_reg_offset(1, reg)); +} + +static inline void neon_store_reg64(TCGv var, int reg) +{ + tcg_gen_st_i64(var, cpu_env, vfp_reg_offset(1, reg)); +} + #define tcg_gen_ld_f32 tcg_gen_ld_i32 #define tcg_gen_ld_f64 tcg_gen_ld_i64 #define tcg_gen_st_f32 tcg_gen_st_i32 @@ -2418,6 +2439,37 @@ vfp_enabled(CPUState * env) return ((env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30)) != 0); } +static void gen_neon_dup_u8(TCGv var, int shift) +{ + TCGv tmp = new_tmp(); + if (shift) + tcg_gen_shri_i32(var, var, shift); + tcg_gen_andi_i32(var, var, 0xff); + tcg_gen_shli_i32(tmp, var, 8); + tcg_gen_or_i32(var, var, tmp); + tcg_gen_shli_i32(tmp, var, 16); + tcg_gen_or_i32(var, var, tmp); + dead_tmp(tmp); +} + +static void gen_neon_dup_low16(TCGv var) +{ + TCGv tmp = new_tmp(); + tcg_gen_andi_i32(var, var, 0xffff); + tcg_gen_shli_i32(tmp, var, 16); + tcg_gen_or_i32(var, var, tmp); + dead_tmp(tmp); +} + +static void gen_neon_dup_high16(TCGv var) +{ + TCGv tmp = new_tmp(); + tcg_gen_andi_i32(var, var, 0xffff0000); + tcg_gen_shri_i32(tmp, var, 16); + tcg_gen_or_i32(var, var, tmp); + dead_tmp(tmp); +} + /* Disassemble a VFP instruction. Returns nonzero if an error occured (ie. an undefined instruction). */ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) @@ -2425,6 +2477,7 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) uint32_t rd, rn, rm, op, i, n, offset, delta_d, delta_m, bank_mask; int dp, veclen; TCGv tmp; + TCGv tmp2; if (!arm_feature(env, ARM_FEATURE_VFP)) return 1; @@ -2468,66 +2521,66 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) } if (insn & ARM_CP_RW_BIT) { /* vfp->arm */ + tmp = neon_load_reg(rn, pass); switch (size) { case 0: - NEON_GET_REG(T1, rn, pass); if (offset) - gen_op_shrl_T1_im(offset); + tcg_gen_shri_i32(tmp, tmp, offset); if (insn & (1 << 23)) - gen_uxtb(cpu_T[1]); + gen_uxtb(tmp); else - gen_sxtb(cpu_T[1]); + gen_sxtb(tmp); break; case 1: - NEON_GET_REG(T1, rn, pass); if (insn & (1 << 23)) { if (offset) { - gen_op_shrl_T1_im(16); + tcg_gen_shri_i32(tmp, tmp, 16); } else { - gen_uxth(cpu_T[1]); + gen_uxth(tmp); } } else { if (offset) { - gen_op_sarl_T1_im(16); + tcg_gen_sari_i32(tmp, tmp, 16); } else { - gen_sxth(cpu_T[1]); + gen_sxth(tmp); } } break; case 2: - NEON_GET_REG(T1, rn, pass); break; } - gen_movl_reg_T1(s, rd); + store_reg(s, rd, tmp); } else { /* arm->vfp */ - gen_movl_T0_reg(s, rd); + tmp = load_reg(s, rd); if (insn & (1 << 23)) { /* VDUP */ if (size == 0) { - gen_op_neon_dup_u8(0); + gen_neon_dup_u8(tmp, 0); } else if (size == 1) { - gen_op_neon_dup_low16(); + gen_neon_dup_low16(tmp); } - NEON_SET_REG(T0, rn, 0); - NEON_SET_REG(T0, rn, 1); + tmp2 = new_tmp(); + tcg_gen_mov_i32(tmp2, tmp); + neon_store_reg(rn, 0, tmp2); + neon_store_reg(rn, 0, tmp); } else { /* VMOV */ switch (size) { case 0: - tmp = neon_load_reg(rn, pass); - gen_bfi(tmp, tmp, cpu_T[0], offset, 0xff); - neon_store_reg(rn, pass, tmp); + tmp2 = neon_load_reg(rn, pass); + gen_bfi(tmp, tmp2, tmp, offset, 0xff); + dead_tmp(tmp2); break; case 1: - tmp = neon_load_reg(rn, pass); - gen_bfi(tmp, tmp, cpu_T[0], offset, 0xffff); - neon_store_reg(rn, pass, tmp); + tmp2 = neon_load_reg(rn, pass); + gen_bfi(tmp, tmp2, tmp, offset, 0xffff); + dead_tmp(tmp2); break; case 2: - NEON_SET_REG(T0, rn, pass); break; } + neon_store_reg(rn, pass, tmp); } } } else { /* !dp */ @@ -3210,179 +3263,90 @@ static void gen_nop_hint(DisasContext *s, int val) } } -/* Neon shift by constant. The actual ops are the same as used for variable - shifts. [OP][U][SIZE] */ -static GenOpFunc *gen_neon_shift_im[8][2][4] = { - { /* 0 */ /* VSHR */ - { - gen_op_neon_shl_u8, - gen_op_neon_shl_u16, - gen_op_neon_shl_u32, - gen_op_neon_shl_u64 - }, { - gen_op_neon_shl_s8, - gen_op_neon_shl_s16, - gen_op_neon_shl_s32, - gen_op_neon_shl_s64 - } - }, { /* 1 */ /* VSRA */ - { - gen_op_neon_shl_u8, - gen_op_neon_shl_u16, - gen_op_neon_shl_u32, - gen_op_neon_shl_u64 - }, { - gen_op_neon_shl_s8, - gen_op_neon_shl_s16, - gen_op_neon_shl_s32, - gen_op_neon_shl_s64 - } - }, { /* 2 */ /* VRSHR */ - { - gen_op_neon_rshl_u8, - gen_op_neon_rshl_u16, - gen_op_neon_rshl_u32, - gen_op_neon_rshl_u64 - }, { - gen_op_neon_rshl_s8, - gen_op_neon_rshl_s16, - gen_op_neon_rshl_s32, - gen_op_neon_rshl_s64 - } - }, { /* 3 */ /* VRSRA */ - { - gen_op_neon_rshl_u8, - gen_op_neon_rshl_u16, - gen_op_neon_rshl_u32, - gen_op_neon_rshl_u64 - }, { - gen_op_neon_rshl_s8, - gen_op_neon_rshl_s16, - gen_op_neon_rshl_s32, - gen_op_neon_rshl_s64 - } - }, { /* 4 */ - { - NULL, NULL, NULL, NULL - }, { /* VSRI */ - gen_op_neon_shl_u8, - gen_op_neon_shl_u16, - gen_op_neon_shl_u32, - gen_op_neon_shl_u64, - } - }, { /* 5 */ - { /* VSHL */ - gen_op_neon_shl_u8, - gen_op_neon_shl_u16, - gen_op_neon_shl_u32, - gen_op_neon_shl_u64, - }, { /* VSLI */ - gen_op_neon_shl_u8, - gen_op_neon_shl_u16, - gen_op_neon_shl_u32, - gen_op_neon_shl_u64, - } - }, { /* 6 */ /* VQSHL */ - { - gen_op_neon_qshl_u8, - gen_op_neon_qshl_u16, - gen_op_neon_qshl_u32, - gen_op_neon_qshl_u64 - }, { - gen_op_neon_qshl_s8, - gen_op_neon_qshl_s16, - gen_op_neon_qshl_s32, - gen_op_neon_qshl_s64 - } - }, { /* 7 */ /* VQSHLU */ - { - gen_op_neon_qshl_u8, - gen_op_neon_qshl_u16, - gen_op_neon_qshl_u32, - gen_op_neon_qshl_u64 - }, { - gen_op_neon_qshl_u8, - gen_op_neon_qshl_u16, - gen_op_neon_qshl_u32, - gen_op_neon_qshl_u64 - } - } -}; +/* These macros help make the code more readable when migrating from the + old dyngen helpers. They should probably be removed when + T0/T1 are removed. */ +#define CPU_T001 cpu_T[0], cpu_T[0], cpu_T[1] +#define CPU_T0E01 cpu_T[0], cpu_env, cpu_T[0], cpu_T[1] -/* [R][U][size - 1] */ -static GenOpFunc *gen_neon_shift_im_narrow[2][2][3] = { - { - { - gen_op_neon_shl_u16, - gen_op_neon_shl_u32, - gen_op_neon_shl_u64 - }, { - gen_op_neon_shl_s16, - gen_op_neon_shl_s32, - gen_op_neon_shl_s64 - } - }, { - { - gen_op_neon_rshl_u16, - gen_op_neon_rshl_u32, - gen_op_neon_rshl_u64 - }, { - gen_op_neon_rshl_s16, - gen_op_neon_rshl_s32, - gen_op_neon_rshl_s64 - } - } -}; - -static inline void -gen_op_neon_narrow_u32 () -{ - /* No-op. */ -} - -static GenOpFunc *gen_neon_narrow[3] = { - gen_op_neon_narrow_u8, - gen_op_neon_narrow_u16, - gen_op_neon_narrow_u32 -}; - -static GenOpFunc *gen_neon_narrow_satu[3] = { - gen_op_neon_narrow_sat_u8, - gen_op_neon_narrow_sat_u16, - gen_op_neon_narrow_sat_u32 -}; - -static GenOpFunc *gen_neon_narrow_sats[3] = { - gen_op_neon_narrow_sat_s8, - gen_op_neon_narrow_sat_s16, - gen_op_neon_narrow_sat_s32 -}; +#define CPU_V001 cpu_V0, cpu_V0, cpu_V1 static inline int gen_neon_add(int size) { switch (size) { - case 0: gen_op_neon_add_u8(); break; - case 1: gen_op_neon_add_u16(); break; + case 0: gen_helper_neon_add_u8(CPU_T001); break; + case 1: gen_helper_neon_add_u16(CPU_T001); break; case 2: gen_op_addl_T0_T1(); break; default: return 1; } return 0; } -/* 32-bit pairwise ops end up the same as the elementsise versions. */ -#define gen_op_neon_pmax_s32 gen_op_neon_max_s32 -#define gen_op_neon_pmax_u32 gen_op_neon_max_u32 -#define gen_op_neon_pmin_s32 gen_op_neon_min_s32 -#define gen_op_neon_pmin_u32 gen_op_neon_min_u32 +static inline void gen_neon_rsb(int size) +{ + switch (size) { + case 0: gen_helper_neon_sub_u8(cpu_T[0], cpu_T[1], cpu_T[0]); break; + case 1: gen_helper_neon_sub_u16(cpu_T[0], cpu_T[1], cpu_T[0]); break; + case 2: gen_op_rsbl_T0_T1(); break; + default: return; + } +} + +/* 32-bit pairwise ops end up the same as the elementwise versions. */ +#define gen_helper_neon_pmax_s32 gen_helper_neon_max_s32 +#define gen_helper_neon_pmax_u32 gen_helper_neon_max_u32 +#define gen_helper_neon_pmin_s32 gen_helper_neon_min_s32 +#define gen_helper_neon_pmin_u32 gen_helper_neon_min_u32 + +/* FIXME: This is wrong. They set the wrong overflow bit. */ +#define gen_helper_neon_qadd_s32(a, e, b, c) gen_helper_add_saturate(a, b, c) +#define gen_helper_neon_qadd_u32(a, e, b, c) gen_helper_add_usaturate(a, b, c) +#define gen_helper_neon_qsub_s32(a, e, b, c) gen_helper_sub_saturate(a, b, c) +#define gen_helper_neon_qsub_u32(a, e, b, c) gen_helper_sub_usaturate(a, b, c) + +#define GEN_NEON_INTEGER_OP_ENV(name) do { \ + switch ((size << 1) | u) { \ + case 0: \ + gen_helper_neon_##name##_s8(cpu_T[0], cpu_env, cpu_T[0], cpu_T[1]); \ + break; \ + case 1: \ + gen_helper_neon_##name##_u8(cpu_T[0], cpu_env, cpu_T[0], cpu_T[1]); \ + break; \ + case 2: \ + gen_helper_neon_##name##_s16(cpu_T[0], cpu_env, cpu_T[0], cpu_T[1]); \ + break; \ + case 3: \ + gen_helper_neon_##name##_u16(cpu_T[0], cpu_env, cpu_T[0], cpu_T[1]); \ + break; \ + case 4: \ + gen_helper_neon_##name##_s32(cpu_T[0], cpu_env, cpu_T[0], cpu_T[1]); \ + break; \ + case 5: \ + gen_helper_neon_##name##_u32(cpu_T[0], cpu_env, cpu_T[0], cpu_T[1]); \ + break; \ + default: return 1; \ + }} while (0) #define GEN_NEON_INTEGER_OP(name) do { \ switch ((size << 1) | u) { \ - case 0: gen_op_neon_##name##_s8(); break; \ - case 1: gen_op_neon_##name##_u8(); break; \ - case 2: gen_op_neon_##name##_s16(); break; \ - case 3: gen_op_neon_##name##_u16(); break; \ - case 4: gen_op_neon_##name##_s32(); break; \ - case 5: gen_op_neon_##name##_u32(); break; \ + case 0: \ + gen_helper_neon_##name##_s8(cpu_T[0], cpu_T[0], cpu_T[1]); \ + break; \ + case 1: \ + gen_helper_neon_##name##_u8(cpu_T[0], cpu_T[0], cpu_T[1]); \ + break; \ + case 2: \ + gen_helper_neon_##name##_s16(cpu_T[0], cpu_T[0], cpu_T[1]); \ + break; \ + case 3: \ + gen_helper_neon_##name##_u16(cpu_T[0], cpu_T[0], cpu_T[1]); \ + break; \ + case 4: \ + gen_helper_neon_##name##_s32(cpu_T[0], cpu_T[0], cpu_T[1]); \ + break; \ + case 5: \ + gen_helper_neon_##name##_u32(cpu_T[0], cpu_T[0], cpu_T[1]); \ + break; \ default: return 1; \ }} while (0) @@ -3392,7 +3356,7 @@ gen_neon_movl_scratch_T0(int scratch) uint32_t offset; offset = offsetof(CPUARMState, vfp.scratch[scratch]); - gen_op_neon_setreg_T0(offset); + tcg_gen_st_i32(cpu_T[0], cpu_env, offset); } static inline void @@ -3401,7 +3365,7 @@ gen_neon_movl_scratch_T1(int scratch) uint32_t offset; offset = offsetof(CPUARMState, vfp.scratch[scratch]); - gen_op_neon_setreg_T1(offset); + tcg_gen_st_i32(cpu_T[1], cpu_env, offset); } static inline void @@ -3410,7 +3374,7 @@ gen_neon_movl_T0_scratch(int scratch) uint32_t offset; offset = offsetof(CPUARMState, vfp.scratch[scratch]); - gen_op_neon_getreg_T0(offset); + tcg_gen_ld_i32(cpu_T[0], cpu_env, offset); } static inline void @@ -3419,12 +3383,7 @@ gen_neon_movl_T1_scratch(int scratch) uint32_t offset; offset = offsetof(CPUARMState, vfp.scratch[scratch]); - gen_op_neon_getreg_T1(offset); -} - -static inline void gen_op_neon_widen_u32(void) -{ - gen_op_movl_T1_im(0); + tcg_gen_ld_i32(cpu_T[1], cpu_env, offset); } static inline void gen_neon_get_scalar(int size, int reg) @@ -3434,9 +3393,9 @@ static inline void gen_neon_get_scalar(int size, int reg) } else { NEON_GET_REG(T0, reg >> 2, (reg >> 1) & 1); if (reg & 1) - gen_op_neon_dup_low16(); + gen_neon_dup_low16(cpu_T[0]); else - gen_op_neon_dup_high16(); + gen_neon_dup_high16(cpu_T[0]); } } @@ -3448,8 +3407,8 @@ static void gen_neon_unzip(int reg, int q, int tmp, int size) NEON_GET_REG(T0, reg, n); NEON_GET_REG(T0, reg, n + n); switch (size) { - case 0: gen_op_neon_unzip_u8(); break; - case 1: gen_op_neon_zip_u16(); break; /* zip and unzip are the same. */ + case 0: gen_helper_neon_unzip_u8(); break; + case 1: gen_helper_neon_zip_u16(); break; /* zip and unzip are the same. */ case 2: /* no-op */; break; default: abort(); } @@ -3522,13 +3481,9 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) if (size == 2) { if (load) { tmp = gen_ld32(cpu_T[1], IS_USER(s)); - tcg_gen_mov_i32(cpu_T[0], tmp); - dead_tmp(tmp); - NEON_SET_REG(T0, rd, pass); + neon_store_reg(rd, pass, tmp); } else { - NEON_GET_REG(T0, rd, pass); - tmp = new_tmp(); - tcg_gen_mov_i32(tmp, cpu_T[0]); + tmp = neon_load_reg(rd, pass); gen_st32(tmp, cpu_T[1], IS_USER(s)); } gen_op_addl_T1_im(stride); @@ -3596,27 +3551,23 @@ static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn) switch (size) { case 0: tmp = gen_ld8u(cpu_T[1], IS_USER(s)); - tcg_gen_mov_i32(cpu_T[0], tmp); - dead_tmp(tmp); - gen_op_neon_dup_u8(0); + gen_neon_dup_u8(tmp, 0); break; case 1: tmp = gen_ld16u(cpu_T[1], IS_USER(s)); - tcg_gen_mov_i32(cpu_T[0], tmp); - dead_tmp(tmp); - gen_op_neon_dup_low16(); + gen_neon_dup_low16(tmp); break; case 2: tmp = gen_ld32(cpu_T[0], IS_USER(s)); - tcg_gen_mov_i32(cpu_T[0], tmp); - dead_tmp(tmp); break; case 3: return 1; } gen_op_addl_T1_im(1 << size); - NEON_SET_REG(T0, rd, 0); - NEON_SET_REG(T0, rd, 1); + tmp2 = new_tmp(); + tcg_gen_mov_i32(tmp2, tmp); + neon_store_reg(rd, 0, tmp2); + neon_store_reg(rd, 0, tmp); rd += stride; } stride = (1 << size) * nregs; @@ -3707,12 +3658,158 @@ static void gen_neon_bsl(TCGv dest, TCGv t, TCGv f, TCGv c) tcg_gen_or_i32(dest, t, f); } +static inline void gen_neon_narrow(int size, TCGv dest, TCGv src) +{ + switch (size) { + case 0: gen_helper_neon_narrow_u8(dest, src); break; + case 1: gen_helper_neon_narrow_u16(dest, src); break; + case 2: tcg_gen_trunc_i64_i32(dest, src); break; + default: abort(); + } +} + +static inline void gen_neon_narrow_sats(int size, TCGv dest, TCGv src) +{ + switch (size) { + case 0: gen_helper_neon_narrow_sat_s8(dest, cpu_env, src); break; + case 1: gen_helper_neon_narrow_sat_s16(dest, cpu_env, src); break; + case 2: gen_helper_neon_narrow_sat_s32(dest, cpu_env, src); break; + default: abort(); + } +} + +static inline void gen_neon_narrow_satu(int size, TCGv dest, TCGv src) +{ + switch (size) { + case 0: gen_helper_neon_narrow_sat_u8(dest, cpu_env, src); break; + case 1: gen_helper_neon_narrow_sat_u16(dest, cpu_env, src); break; + case 2: gen_helper_neon_narrow_sat_u32(dest, cpu_env, src); break; + default: abort(); + } +} + +static inline void gen_neon_shift_narrow(int size, TCGv var, TCGv shift, + int q, int u) +{ + if (q) { + if (u) { + switch (size) { + case 1: gen_helper_neon_rshl_u16(var, var, shift); break; + case 2: gen_helper_neon_rshl_u32(var, var, shift); break; + default: abort(); + } + } else { + switch (size) { + case 1: gen_helper_neon_rshl_s16(var, var, shift); break; + case 2: gen_helper_neon_rshl_s32(var, var, shift); break; + default: abort(); + } + } + } else { + if (u) { + switch (size) { + case 1: gen_helper_neon_rshl_u16(var, var, shift); break; + case 2: gen_helper_neon_rshl_u32(var, var, shift); break; + default: abort(); + } + } else { + switch (size) { + case 1: gen_helper_neon_shl_s16(var, var, shift); break; + case 2: gen_helper_neon_shl_s32(var, var, shift); break; + default: abort(); + } + } + } +} + +static inline void gen_neon_widen(TCGv dest, TCGv src, int size, int u) +{ + if (u) { + switch (size) { + case 0: gen_helper_neon_widen_u8(dest, src); break; + case 1: gen_helper_neon_widen_u16(dest, src); break; + case 2: tcg_gen_extu_i32_i64(dest, src); break; + default: abort(); + } + } else { + switch (size) { + case 0: gen_helper_neon_widen_s8(dest, src); break; + case 1: gen_helper_neon_widen_s16(dest, src); break; + case 2: tcg_gen_ext_i32_i64(dest, src); break; + default: abort(); + } + } + dead_tmp(src); +} + +static inline void gen_neon_addl(int size) +{ + switch (size) { + case 0: gen_helper_neon_addl_u16(CPU_V001); break; + case 1: gen_helper_neon_addl_u32(CPU_V001); break; + case 2: tcg_gen_add_i64(CPU_V001); break; + default: abort(); + } +} + +static inline void gen_neon_subl(int size) +{ + switch (size) { + case 0: gen_helper_neon_subl_u16(CPU_V001); break; + case 1: gen_helper_neon_subl_u32(CPU_V001); break; + case 2: tcg_gen_sub_i64(CPU_V001); break; + default: abort(); + } +} + +static inline void gen_neon_negl(TCGv var, int size) +{ + switch (size) { + case 0: gen_helper_neon_negl_u16(var, var); break; + case 1: gen_helper_neon_negl_u32(var, var); break; + case 2: gen_helper_neon_negl_u64(var, var); break; + default: abort(); + } +} + +static inline void gen_neon_addl_saturate(TCGv op0, TCGv op1, int size) +{ + switch (size) { + case 1: gen_helper_neon_addl_saturate_s32(op0, cpu_env, op0, op1); break; + case 2: gen_helper_neon_addl_saturate_s64(op0, cpu_env, op0, op1); break; + default: abort(); + } +} + +static inline void gen_neon_mull(TCGv dest, TCGv a, TCGv b, int size, int u) +{ + TCGv tmp; + + switch ((size << 1) | u) { + case 0: gen_helper_neon_mull_s8(dest, a, b); break; + case 1: gen_helper_neon_mull_u8(dest, a, b); break; + case 2: gen_helper_neon_mull_s16(dest, a, b); break; + case 3: gen_helper_neon_mull_u16(dest, a, b); break; + case 4: + tmp = gen_muls_i64_i32(a, b); + tcg_gen_mov_i64(dest, tmp); + break; + case 5: + tmp = gen_mulu_i64_i32(a, b); + tcg_gen_mov_i64(dest, tmp); + break; + default: abort(); + } + if (size < 2) { + dead_tmp(b); + dead_tmp(a); + } +} + /* Translate a NEON data processing instruction. Return nonzero if the instruction is invalid. - In general we process vectors in 32-bit chunks. This means we can reuse - some of the scalar ops, and hopefully the code generated for 32-bit - hosts won't be too awful. The downside is that the few 64-bit operations - (mainly shifts) get complicated. */ + We process data in a mixture of 32-bit and 64-bit chunks. + Mostly we use 32-bit chunks so we can use normal scalar instructions. */ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) { @@ -3742,41 +3839,70 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) if ((insn & (1 << 23)) == 0) { /* Three register same length. */ op = ((insn >> 7) & 0x1e) | ((insn >> 4) & 1); - if (size == 3 && (op == 1 || op == 5 || op == 16)) { + if (size == 3 && (op == 1 || op == 5 || op == 8 || op == 9 + || op == 10 || op == 11 || op == 16)) { + /* 64-bit element instructions. */ for (pass = 0; pass < (q ? 2 : 1); pass++) { - NEON_GET_REG(T0, rm, pass * 2); - NEON_GET_REG(T1, rm, pass * 2 + 1); - gen_neon_movl_scratch_T0(0); - gen_neon_movl_scratch_T1(1); - NEON_GET_REG(T0, rn, pass * 2); - NEON_GET_REG(T1, rn, pass * 2 + 1); + neon_load_reg64(cpu_V0, rn + pass); + neon_load_reg64(cpu_V1, rm + pass); switch (op) { case 1: /* VQADD */ if (u) { - gen_op_neon_addl_saturate_u64(); + gen_helper_neon_add_saturate_u64(CPU_V001); } else { - gen_op_neon_addl_saturate_s64(); + gen_helper_neon_add_saturate_s64(CPU_V001); } break; case 5: /* VQSUB */ if (u) { - gen_op_neon_subl_saturate_u64(); + gen_helper_neon_sub_saturate_u64(CPU_V001); } else { - gen_op_neon_subl_saturate_s64(); + gen_helper_neon_sub_saturate_s64(CPU_V001); + } + break; + case 8: /* VSHL */ + if (u) { + gen_helper_neon_shl_u64(cpu_V0, cpu_V1, cpu_V0); + } else { + gen_helper_neon_shl_s64(cpu_V0, cpu_V1, cpu_V0); + } + break; + case 9: /* VQSHL */ + if (u) { + gen_helper_neon_qshl_u64(cpu_V0, cpu_env, + cpu_V0, cpu_V0); + } else { + gen_helper_neon_qshl_s64(cpu_V1, cpu_env, + cpu_V1, cpu_V0); + } + break; + case 10: /* VRSHL */ + if (u) { + gen_helper_neon_rshl_u64(cpu_V0, cpu_V1, cpu_V0); + } else { + gen_helper_neon_rshl_s64(cpu_V0, cpu_V1, cpu_V0); + } + break; + case 11: /* VQRSHL */ + if (u) { + gen_helper_neon_qrshl_u64(cpu_V0, cpu_env, + cpu_V1, cpu_V0); + } else { + gen_helper_neon_qrshl_s64(cpu_V0, cpu_env, + cpu_V1, cpu_V0); } break; case 16: if (u) { - gen_op_neon_subl_u64(); + tcg_gen_sub_i64(CPU_V001); } else { - gen_op_neon_addl_u64(); + tcg_gen_add_i64(CPU_V001); } break; default: abort(); } - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); + neon_store_reg64(cpu_V0, rd + pass); } return 0; } @@ -3784,13 +3910,13 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 8: /* VSHL */ case 9: /* VQSHL */ case 10: /* VRSHL */ - case 11: /* VQSHL */ - /* Shift operations have Rn and Rm reversed. */ + case 11: /* VQRSHL */ { - int tmp; - tmp = rn; + int rtmp; + /* Shift instruction operands are reversed. */ + rtmp = rn; rn = rm; - rm = tmp; + rm = rtmp; pairwise = 0; } break; @@ -3834,19 +3960,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) GEN_NEON_INTEGER_OP(hadd); break; case 1: /* VQADD */ - switch (size << 1| u) { - case 0: gen_op_neon_qadd_s8(); break; - case 1: gen_op_neon_qadd_u8(); break; - case 2: gen_op_neon_qadd_s16(); break; - case 3: gen_op_neon_qadd_u16(); break; - case 4: - gen_helper_add_saturate(cpu_T[0], cpu_T[0], cpu_T[1]); - break; - case 5: - gen_helper_add_usaturate(cpu_T[0], cpu_T[0], cpu_T[1]); - break; - default: abort(); - } + GEN_NEON_INTEGER_OP_ENV(qadd); break; case 2: /* VRHADD */ GEN_NEON_INTEGER_OP(rhadd); @@ -3890,19 +4004,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) GEN_NEON_INTEGER_OP(hsub); break; case 5: /* VQSUB */ - switch ((size << 1) | u) { - case 0: gen_op_neon_qsub_s8(); break; - case 1: gen_op_neon_qsub_u8(); break; - case 2: gen_op_neon_qsub_s16(); break; - case 3: gen_op_neon_qsub_u16(); break; - case 4: - gen_helper_sub_saturate(cpu_T[0], cpu_T[0], cpu_T[1]); - break; - case 5: - gen_helper_sub_usaturate(cpu_T[0], cpu_T[0], cpu_T[1]); - break; - default: abort(); - } + GEN_NEON_INTEGER_OP_ENV(qsub); break; case 6: /* VCGT */ GEN_NEON_INTEGER_OP(cgt); @@ -3911,76 +4013,16 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) GEN_NEON_INTEGER_OP(cge); break; case 8: /* VSHL */ - switch ((size << 1) | u) { - case 0: gen_op_neon_shl_s8(); break; - case 1: gen_op_neon_shl_u8(); break; - case 2: gen_op_neon_shl_s16(); break; - case 3: gen_op_neon_shl_u16(); break; - case 4: gen_op_neon_shl_s32(); break; - case 5: gen_op_neon_shl_u32(); break; -#if 0 - /* ??? Implementing these is tricky because the vector ops work - on 32-bit pieces. */ - case 6: gen_op_neon_shl_s64(); break; - case 7: gen_op_neon_shl_u64(); break; -#else - case 6: case 7: cpu_abort(env, "VSHL.64 not implemented"); -#endif - } + GEN_NEON_INTEGER_OP(shl); break; case 9: /* VQSHL */ - switch ((size << 1) | u) { - case 0: gen_op_neon_qshl_s8(); break; - case 1: gen_op_neon_qshl_u8(); break; - case 2: gen_op_neon_qshl_s16(); break; - case 3: gen_op_neon_qshl_u16(); break; - case 4: gen_op_neon_qshl_s32(); break; - case 5: gen_op_neon_qshl_u32(); break; -#if 0 - /* ??? Implementing these is tricky because the vector ops work - on 32-bit pieces. */ - case 6: gen_op_neon_qshl_s64(); break; - case 7: gen_op_neon_qshl_u64(); break; -#else - case 6: case 7: cpu_abort(env, "VQSHL.64 not implemented"); -#endif - } + GEN_NEON_INTEGER_OP_ENV(qshl); break; case 10: /* VRSHL */ - switch ((size << 1) | u) { - case 0: gen_op_neon_rshl_s8(); break; - case 1: gen_op_neon_rshl_u8(); break; - case 2: gen_op_neon_rshl_s16(); break; - case 3: gen_op_neon_rshl_u16(); break; - case 4: gen_op_neon_rshl_s32(); break; - case 5: gen_op_neon_rshl_u32(); break; -#if 0 - /* ??? Implementing these is tricky because the vector ops work - on 32-bit pieces. */ - case 6: gen_op_neon_rshl_s64(); break; - case 7: gen_op_neon_rshl_u64(); break; -#else - case 6: case 7: cpu_abort(env, "VRSHL.64 not implemented"); -#endif - } + GEN_NEON_INTEGER_OP(rshl); break; case 11: /* VQRSHL */ - switch ((size << 1) | u) { - case 0: gen_op_neon_qrshl_s8(); break; - case 1: gen_op_neon_qrshl_u8(); break; - case 2: gen_op_neon_qrshl_s16(); break; - case 3: gen_op_neon_qrshl_u16(); break; - case 4: gen_op_neon_qrshl_s32(); break; - case 5: gen_op_neon_qrshl_u32(); break; -#if 0 - /* ??? Implementing these is tricky because the vector ops work - on 32-bit pieces. */ - case 6: gen_op_neon_qrshl_s64(); break; - case 7: gen_op_neon_qrshl_u64(); break; -#else - case 6: case 7: cpu_abort(env, "VQRSHL.64 not implemented"); -#endif - } + GEN_NEON_INTEGER_OP_ENV(qrshl); break; case 12: /* VMAX */ GEN_NEON_INTEGER_OP(max); @@ -4002,8 +4044,8 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) return 1; } else { /* VSUB */ switch (size) { - case 0: gen_op_neon_sub_u8(); break; - case 1: gen_op_neon_sub_u16(); break; + case 0: gen_helper_neon_sub_u8(CPU_T001); break; + case 1: gen_helper_neon_sub_u16(CPU_T001); break; case 2: gen_op_subl_T0_T1(); break; default: return 1; } @@ -4012,46 +4054,41 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 17: if (!u) { /* VTST */ switch (size) { - case 0: gen_op_neon_tst_u8(); break; - case 1: gen_op_neon_tst_u16(); break; - case 2: gen_op_neon_tst_u32(); break; + case 0: gen_helper_neon_tst_u8(CPU_T001); break; + case 1: gen_helper_neon_tst_u16(CPU_T001); break; + case 2: gen_helper_neon_tst_u32(CPU_T001); break; default: return 1; } } else { /* VCEQ */ switch (size) { - case 0: gen_op_neon_ceq_u8(); break; - case 1: gen_op_neon_ceq_u16(); break; - case 2: gen_op_neon_ceq_u32(); break; + case 0: gen_helper_neon_ceq_u8(CPU_T001); break; + case 1: gen_helper_neon_ceq_u16(CPU_T001); break; + case 2: gen_helper_neon_ceq_u32(CPU_T001); break; default: return 1; } } break; case 18: /* Multiply. */ switch (size) { - case 0: gen_op_neon_mul_u8(); break; - case 1: gen_op_neon_mul_u16(); break; + case 0: gen_helper_neon_mul_u8(CPU_T001); break; + case 1: gen_helper_neon_mul_u16(CPU_T001); break; case 2: gen_op_mul_T0_T1(); break; default: return 1; } NEON_GET_REG(T1, rd, pass); if (u) { /* VMLS */ - switch (size) { - case 0: gen_op_neon_rsb_u8(); break; - case 1: gen_op_neon_rsb_u16(); break; - case 2: gen_op_rsbl_T0_T1(); break; - default: return 1; - } + gen_neon_rsb(size); } else { /* VMLA */ gen_neon_add(size); } break; case 19: /* VMUL */ if (u) { /* polynomial */ - gen_op_neon_mul_p8(); + gen_helper_neon_mul_p8(CPU_T001); } else { /* Integer */ switch (size) { - case 0: gen_op_neon_mul_u8(); break; - case 1: gen_op_neon_mul_u16(); break; + case 0: gen_helper_neon_mul_u8(CPU_T001); break; + case 1: gen_helper_neon_mul_u16(CPU_T001); break; case 2: gen_op_mul_T0_T1(); break; default: return 1; } @@ -4066,14 +4103,14 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 22: /* Hultiply high. */ if (!u) { /* VQDMULH */ switch (size) { - case 1: gen_op_neon_qdmulh_s16(); break; - case 2: gen_op_neon_qdmulh_s32(); break; + case 1: gen_helper_neon_qdmulh_s16(CPU_T0E01); break; + case 2: gen_helper_neon_qdmulh_s32(CPU_T0E01); break; default: return 1; } } else { /* VQRDHMUL */ switch (size) { - case 1: gen_op_neon_qrdmulh_s16(); break; - case 2: gen_op_neon_qrdmulh_s32(); break; + case 1: gen_helper_neon_qrdmulh_s16(CPU_T0E01); break; + case 2: gen_helper_neon_qrdmulh_s32(CPU_T0E01); break; default: return 1; } } @@ -4082,8 +4119,8 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) if (u) return 1; switch (size) { - case 0: gen_op_neon_padd_u8(); break; - case 1: gen_op_neon_padd_u16(); break; + case 0: gen_helper_neon_padd_u8(CPU_T001); break; + case 1: gen_helper_neon_padd_u16(CPU_T001); break; case 2: gen_op_addl_T0_T1(); break; default: return 1; } @@ -4091,55 +4128,55 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 26: /* Floating point arithnetic. */ switch ((u << 2) | size) { case 0: /* VADD */ - gen_op_neon_add_f32(); + gen_helper_neon_add_f32(CPU_T001); break; case 2: /* VSUB */ - gen_op_neon_sub_f32(); + gen_helper_neon_sub_f32(CPU_T001); break; case 4: /* VPADD */ - gen_op_neon_add_f32(); + gen_helper_neon_add_f32(CPU_T001); break; case 6: /* VABD */ - gen_op_neon_abd_f32(); + gen_helper_neon_abd_f32(CPU_T001); break; default: return 1; } break; case 27: /* Float multiply. */ - gen_op_neon_mul_f32(); + gen_helper_neon_mul_f32(CPU_T001); if (!u) { NEON_GET_REG(T1, rd, pass); if (size == 0) { - gen_op_neon_add_f32(); + gen_helper_neon_add_f32(CPU_T001); } else { - gen_op_neon_rsb_f32(); + gen_helper_neon_sub_f32(cpu_T[0], cpu_T[1], cpu_T[0]); } } break; case 28: /* Float compare. */ if (!u) { - gen_op_neon_ceq_f32(); + gen_helper_neon_ceq_f32(CPU_T001); } else { if (size == 0) - gen_op_neon_cge_f32(); + gen_helper_neon_cge_f32(CPU_T001); else - gen_op_neon_cgt_f32(); + gen_helper_neon_cgt_f32(CPU_T001); } break; case 29: /* Float compare absolute. */ if (!u) return 1; if (size == 0) - gen_op_neon_acge_f32(); + gen_helper_neon_acge_f32(CPU_T001); else - gen_op_neon_acgt_f32(); + gen_helper_neon_acgt_f32(CPU_T001); break; case 30: /* Float min/max. */ if (size == 0) - gen_op_neon_max_f32(); + gen_helper_neon_max_f32(CPU_T001); else - gen_op_neon_min_f32(); + gen_helper_neon_min_f32(CPU_T001); break; case 31: if (size == 0) @@ -4166,6 +4203,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) NEON_SET_REG(T0, rd, pass); } } + /* End of 3 register same size operations. */ } else if (insn & (1 << 4)) { if ((insn & 0x00380080) != 0) { /* Two registers and shift. */ @@ -4212,181 +4250,221 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) } for (pass = 0; pass < count; pass++) { - if (size < 3) { - /* Operands in T0 and T1. */ - gen_op_movl_T1_im(imm); - NEON_GET_REG(T0, rm, pass); - } else { - /* Operands in {T0, T1} and env->vfp.scratch. */ - gen_op_movl_T0_im(imm); - gen_neon_movl_scratch_T0(0); - gen_op_movl_T0_im((int32_t)imm >> 31); - gen_neon_movl_scratch_T0(1); - NEON_GET_REG(T0, rm, pass * 2); - NEON_GET_REG(T1, rm, pass * 2 + 1); - } - - if (gen_neon_shift_im[op][u][size] == NULL) - return 1; - gen_neon_shift_im[op][u][size](); - - if (op == 1 || op == 3) { - /* Accumulate. */ - if (size == 3) { - gen_neon_movl_scratch_T0(0); - gen_neon_movl_scratch_T1(1); - NEON_GET_REG(T0, rd, pass * 2); - NEON_GET_REG(T1, rd, pass * 2 + 1); - gen_op_neon_addl_u64(); - } else { - NEON_GET_REG(T1, rd, pass); - gen_neon_add(size); - } - } else if (op == 4 || (op == 5 && u)) { - /* Insert */ - if (size == 3) { - cpu_abort(env, "VS[LR]I.64 not implemented"); - } - switch (size) { - case 0: - if (op == 4) - imm = 0xff >> -shift; + if (size == 3) { + neon_load_reg64(cpu_V0, rm + pass); + tcg_gen_movi_i64(cpu_V1, imm); + switch (op) { + case 0: /* VSHR */ + case 1: /* VSRA */ + if (u) + gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); else - imm = (uint8_t)(0xff << shift); - imm |= imm << 8; - imm |= imm << 16; + gen_helper_neon_shl_s64(cpu_V0, cpu_V0, cpu_V1); break; - case 1: - if (op == 4) - imm = 0xffff >> -shift; + case 2: /* VRSHR */ + case 3: /* VRSRA */ + if (u) + gen_helper_neon_rshl_u64(cpu_V0, cpu_V0, cpu_V1); else - imm = (uint16_t)(0xffff << shift); - imm |= imm << 16; + gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, cpu_V1); break; - case 2: - if (op == 4) - imm = 0xffffffffu >> -shift; + case 4: /* VSRI */ + if (!u) + return 1; + gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); + break; + case 5: /* VSHL, VSLI */ + gen_helper_neon_shl_u64(cpu_V0, cpu_V0, cpu_V1); + break; + case 6: /* VQSHL */ + if (u) + gen_helper_neon_qshl_u64(cpu_V0, cpu_env, cpu_V0, cpu_V1); else - imm = 0xffffffffu << shift; + gen_helper_neon_qshl_s64(cpu_V0, cpu_env, cpu_V0, cpu_V1); + break; + case 7: /* VQSHLU */ + gen_helper_neon_qshl_u64(cpu_V0, cpu_env, cpu_V0, cpu_V1); break; - default: - abort(); } - tmp = neon_load_reg(rd, pass); - tcg_gen_andi_i32(cpu_T[0], cpu_T[0], imm); - tcg_gen_andi_i32(tmp, tmp, ~imm); - tcg_gen_or_i32(cpu_T[0], cpu_T[0], tmp); - } - if (size == 3) { - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); - } else { + if (op == 1 || op == 3) { + /* Accumulate. */ + neon_load_reg64(cpu_V0, rd + pass); + tcg_gen_add_i64(cpu_V0, cpu_V0, cpu_V1); + } else if (op == 4 || (op == 5 && u)) { + /* Insert */ + cpu_abort(env, "VS[LR]I.64 not implemented"); + } + neon_store_reg64(cpu_V0, rd + pass); + } else { /* size < 3 */ + /* Operands in T0 and T1. */ + gen_op_movl_T1_im(imm); + NEON_GET_REG(T0, rm, pass); + switch (op) { + case 0: /* VSHR */ + case 1: /* VSRA */ + GEN_NEON_INTEGER_OP(shl); + break; + case 2: /* VRSHR */ + case 3: /* VRSRA */ + GEN_NEON_INTEGER_OP(rshl); + break; + case 4: /* VSRI */ + if (!u) + return 1; + GEN_NEON_INTEGER_OP(shl); + break; + case 5: /* VSHL, VSLI */ + switch (size) { + case 0: gen_helper_neon_shl_u8(CPU_T001); break; + case 1: gen_helper_neon_shl_u16(CPU_T001); break; + case 2: gen_helper_neon_shl_u32(CPU_T001); break; + default: return 1; + } + break; + case 6: /* VQSHL */ + GEN_NEON_INTEGER_OP_ENV(qshl); + break; + case 7: /* VQSHLU */ + switch (size) { + case 0: gen_helper_neon_qshl_u8(CPU_T0E01); break; + case 1: gen_helper_neon_qshl_u16(CPU_T0E01); break; + case 2: gen_helper_neon_qshl_u32(CPU_T0E01); break; + default: return 1; + } + break; + } + + if (op == 1 || op == 3) { + /* Accumulate. */ + NEON_GET_REG(T1, rd, pass); + gen_neon_add(size); + } else if (op == 4 || (op == 5 && u)) { + /* Insert */ + switch (size) { + case 0: + if (op == 4) + imm = 0xff >> -shift; + else + imm = (uint8_t)(0xff << shift); + imm |= imm << 8; + imm |= imm << 16; + break; + case 1: + if (op == 4) + imm = 0xffff >> -shift; + else + imm = (uint16_t)(0xffff << shift); + imm |= imm << 16; + break; + case 2: + if (op == 4) + imm = 0xffffffffu >> -shift; + else + imm = 0xffffffffu << shift; + break; + default: + abort(); + } + tmp = neon_load_reg(rd, pass); + tcg_gen_andi_i32(cpu_T[0], cpu_T[0], imm); + tcg_gen_andi_i32(tmp, tmp, ~imm); + tcg_gen_or_i32(cpu_T[0], cpu_T[0], tmp); + } NEON_SET_REG(T0, rd, pass); } } /* for pass */ } else if (op < 10) { - /* Shift by immedaiate and narrow: + /* Shift by immediate and narrow: VSHRN, VRSHRN, VQSHRN, VQRSHRN. */ shift = shift - (1 << (size + 3)); size++; - if (size == 3) { - count = q + 1; - } else { - count = q ? 4: 2; - } switch (size) { case 1: - imm = (uint16_t) shift; + imm = (uint16_t)shift; imm |= imm << 16; + tmp2 = tcg_const_i32(imm); break; case 2: + imm = (uint32_t)shift; + tmp2 = tcg_const_i32(imm); case 3: - imm = shift; + tmp2 = tcg_const_i64(shift); break; default: abort(); } - /* Processing MSB first means we need to do less shuffling at - the end. */ - for (pass = count - 1; pass >= 0; pass--) { - /* Avoid clobbering the second operand before it has been - written. */ - n = pass; - if (rd == rm) - n ^= (count - 1); - else - n = pass; - - if (size < 3) { - /* Operands in T0 and T1. */ - gen_op_movl_T1_im(imm); - NEON_GET_REG(T0, rm, n); + for (pass = 0; pass < 2; pass++) { + if (size == 3) { + neon_load_reg64(cpu_V0, rm + pass); + if (q) { + if (u) + gen_helper_neon_rshl_u64(cpu_V0, cpu_V0, tmp2); + else + gen_helper_neon_rshl_s64(cpu_V0, cpu_V0, tmp2); + } else { + if (u) + gen_helper_neon_shl_u64(cpu_V0, cpu_V0, tmp2); + else + gen_helper_neon_shl_s64(cpu_V0, cpu_V0, tmp2); + } } else { - /* Operands in {T0, T1} and env->vfp.scratch. */ - gen_op_movl_T0_im(imm); - gen_neon_movl_scratch_T0(0); - gen_op_movl_T0_im((int32_t)imm >> 31); - gen_neon_movl_scratch_T0(1); - NEON_GET_REG(T0, rm, n * 2); - NEON_GET_REG(T0, rm, n * 2 + 1); + tmp = neon_load_reg(rm + pass, 0); + gen_neon_shift_narrow(size, tmp, tmp2, q, u); + tcg_gen_extu_i32_i64(cpu_V0, tmp); + dead_tmp(tmp); + tmp = neon_load_reg(rm + pass, 1); + gen_neon_shift_narrow(size, tmp, tmp2, q, u); + tcg_gen_extu_i32_i64(cpu_V1, tmp); + dead_tmp(tmp); + tcg_gen_shli_i64(cpu_V1, cpu_V1, 32); + tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); } - - gen_neon_shift_im_narrow[q][u][size - 1](); - - if (size < 3 && (pass & 1) == 0) { - gen_neon_movl_scratch_T0(0); + tmp = new_tmp(); + if (op == 8 && !u) { + gen_neon_narrow(size - 1, tmp, cpu_V0); } else { - uint32_t offset; - - if (size < 3) - gen_neon_movl_T1_scratch(0); - - if (op == 8 && !u) { - gen_neon_narrow[size - 1](); - } else { - if (op == 8) - gen_neon_narrow_sats[size - 2](); - else - gen_neon_narrow_satu[size - 1](); - } - if (size == 3) - offset = neon_reg_offset(rd, n); + if (op == 8) + gen_neon_narrow_sats(size - 1, tmp, cpu_V0); else - offset = neon_reg_offset(rd, n >> 1); - gen_op_neon_setreg_T0(offset); + gen_neon_narrow_satu(size - 1, tmp, cpu_V0); + } + if (pass == 0) { + tmp2 = tmp; + } else { + neon_store_reg(rd, 0, tmp2); + neon_store_reg(rd, 1, tmp); } } /* for pass */ } else if (op == 10) { /* VSHLL */ - if (q) + if (q || size == 3) return 1; + tmp = neon_load_reg(rm, 0); + tmp2 = neon_load_reg(rm, 1); for (pass = 0; pass < 2; pass++) { - /* Avoid clobbering the input operand. */ - if (rd == rm) - n = 1 - pass; - else - n = pass; + if (pass == 1) + tmp = tmp2; + + gen_neon_widen(cpu_V0, tmp, size, u); - NEON_GET_REG(T0, rm, n); - GEN_NEON_INTEGER_OP(widen); if (shift != 0) { /* The shift is less than the width of the source - type, so in some cases we can just - shift the whole register. */ - if (size == 1 || (size == 0 && u)) { - gen_op_shll_T0_im(shift); - gen_op_shll_T1_im(shift); - } else { - switch (size) { - case 0: gen_op_neon_shll_u16(shift); break; - case 2: gen_op_neon_shll_u64(shift); break; - default: abort(); + type, so we can just shift the whole register. */ + tcg_gen_shli_i64(cpu_V0, cpu_V0, shift); + if (size < 2 || !u) { + uint64_t imm64; + if (size == 0) { + imm = (0xffu >> (8 - shift)); + imm |= imm << 16; + } else { + imm = 0xffff >> (16 - shift); } + imm64 = imm | (((uint64_t)imm) << 32); + tcg_gen_andi_i64(cpu_V0, cpu_V0, imm64); } } - NEON_SET_REG(T0, rd, n * 2); - NEON_SET_REG(T1, rd, n * 2 + 1); + neon_store_reg64(cpu_V0, rd + pass); } } else if (op == 15 || op == 16) { /* VCVT fixed-point. */ @@ -4458,28 +4536,30 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) for (pass = 0; pass < (q ? 4 : 2); pass++) { if (op & 1 && op < 12) { - NEON_GET_REG(T0, rd, pass); + tmp = neon_load_reg(rd, pass); if (invert) { /* The immediate value has already been inverted, so BIC becomes AND. */ - gen_op_andl_T0_T1(); + tcg_gen_andi_i32(tmp, tmp, imm); } else { - gen_op_orl_T0_T1(); + tcg_gen_ori_i32(tmp, tmp, imm); } - NEON_SET_REG(T0, rd, pass); } else { + /* VMOV, VMVN. */ + tmp = new_tmp(); if (op == 14 && invert) { - uint32_t tmp; - tmp = 0; + uint32_t val; + val = 0; for (n = 0; n < 4; n++) { if (imm & (1 << (n + (pass & 1) * 4))) - tmp |= 0xff << (n * 8); + val |= 0xff << (n * 8); } - gen_op_movl_T1_im(tmp); + tcg_gen_movi_i32(tmp, val); + } else { + tcg_gen_movi_i32(tmp, imm); } - /* VMOV, VMVN. */ - NEON_SET_REG(T1, rd, pass); } + neon_store_reg(rd, pass, tmp); } } } else { /* (insn & 0x00800010 == 0x00800010) */ @@ -4513,6 +4593,9 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) src1_wide = neon_3reg_wide[op][1]; src2_wide = neon_3reg_wide[op][2]; + if (size == 0 && (op == 9 || op == 11 || op == 13)) + return 1; + /* Avoid overlapping operands. Wide source operands are always aligned so will never overlap with wide destinations in problematic ways. */ @@ -4524,87 +4607,69 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) gen_neon_movl_scratch_T0(2); } for (pass = 0; pass < 2; pass++) { - /* Load the second operand into env->vfp.scratch. - Also widen narrow operands. */ - if (src2_wide) { - NEON_GET_REG(T0, rm, pass * 2); - NEON_GET_REG(T1, rm, pass * 2 + 1); + if (src1_wide) { + neon_load_reg64(cpu_V0, rn + pass); } else { - if (pass == 1 && rd == rm) { - if (prewiden) { - gen_neon_movl_T0_scratch(2); - } else { - gen_neon_movl_T1_scratch(2); - } + if (pass == 1 && rd == rn) { + gen_neon_movl_T0_scratch(2); + tmp = new_tmp(); + tcg_gen_mov_i32(tmp, cpu_T[0]); } else { - if (prewiden) { - NEON_GET_REG(T0, rm, pass); - } else { - NEON_GET_REG(T1, rm, pass); - } + tmp = neon_load_reg(rn, pass); + } + if (prewiden) { + gen_neon_widen(cpu_V0, tmp, size, u); } } - if (prewiden && !src2_wide) { - GEN_NEON_INTEGER_OP(widen); - } - if (prewiden || src2_wide) { - gen_neon_movl_scratch_T0(0); - gen_neon_movl_scratch_T1(1); - } - - /* Load the first operand. */ - if (src1_wide) { - NEON_GET_REG(T0, rn, pass * 2); - NEON_GET_REG(T1, rn, pass * 2 + 1); + if (src2_wide) { + neon_load_reg64(cpu_V1, rm + pass); } else { - if (pass == 1 && rd == rn) { + if (pass == 1 && rd == rm) { gen_neon_movl_T0_scratch(2); + tmp2 = new_tmp(); + tcg_gen_mov_i32(tmp2, cpu_T[0]); } else { - NEON_GET_REG(T0, rn, pass); + tmp2 = neon_load_reg(rm, pass); + } + if (prewiden) { + gen_neon_widen(cpu_V1, tmp2, size, u); } - } - if (prewiden && !src1_wide) { - GEN_NEON_INTEGER_OP(widen); } switch (op) { case 0: case 1: case 4: /* VADDL, VADDW, VADDHN, VRADDHN */ - switch (size) { - case 0: gen_op_neon_addl_u16(); break; - case 1: gen_op_neon_addl_u32(); break; - case 2: gen_op_neon_addl_u64(); break; - default: abort(); - } + gen_neon_addl(size); break; case 2: case 3: case 6: /* VSUBL, VSUBW, VSUBHL, VRSUBHL */ - switch (size) { - case 0: gen_op_neon_subl_u16(); break; - case 1: gen_op_neon_subl_u32(); break; - case 2: gen_op_neon_subl_u64(); break; - default: abort(); - } + gen_neon_subl(size); break; case 5: case 7: /* VABAL, VABDL */ switch ((size << 1) | u) { - case 0: gen_op_neon_abdl_s16(); break; - case 1: gen_op_neon_abdl_u16(); break; - case 2: gen_op_neon_abdl_s32(); break; - case 3: gen_op_neon_abdl_u32(); break; - case 4: gen_op_neon_abdl_s64(); break; - case 5: gen_op_neon_abdl_u64(); break; + case 0: + gen_helper_neon_abdl_s16(cpu_V0, tmp, tmp2); + break; + case 1: + gen_helper_neon_abdl_u16(cpu_V0, tmp, tmp2); + break; + case 2: + gen_helper_neon_abdl_s32(cpu_V0, tmp, tmp2); + break; + case 3: + gen_helper_neon_abdl_u32(cpu_V0, tmp, tmp2); + break; + case 4: + gen_helper_neon_abdl_s64(cpu_V0, tmp, tmp2); + break; + case 5: + gen_helper_neon_abdl_u64(cpu_V0, tmp, tmp2); + break; default: abort(); } + dead_tmp(tmp2); + dead_tmp(tmp); break; case 8: case 9: case 10: case 11: case 12: case 13: /* VMLAL, VQDMLAL, VMLSL, VQDMLSL, VMULL, VQDMULL */ - switch ((size << 1) | u) { - case 0: gen_op_neon_mull_s8(); break; - case 1: gen_op_neon_mull_u8(); break; - case 2: gen_op_neon_mull_s16(); break; - case 3: gen_op_neon_mull_u16(); break; - case 4: gen_op_imull_T0_T1(); break; - case 5: gen_op_mull_T0_T1(); break; - default: abort(); - } + gen_neon_mull(cpu_V0, tmp, tmp2, size, u); break; case 14: /* Polynomial VMULL */ cpu_abort(env, "Polynomial VMULL not implemented"); @@ -4615,72 +4680,71 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) if (op == 5 || op == 13 || (op >= 8 && op <= 11)) { /* Accumulate. */ if (op == 10 || op == 11) { - switch (size) { - case 0: gen_op_neon_negl_u16(); break; - case 1: gen_op_neon_negl_u32(); break; - case 2: gen_op_neon_negl_u64(); break; - default: abort(); - } + gen_neon_negl(cpu_V0, size); } - gen_neon_movl_scratch_T0(0); - gen_neon_movl_scratch_T1(1); - if (op != 13) { - NEON_GET_REG(T0, rd, pass * 2); - NEON_GET_REG(T1, rd, pass * 2 + 1); + neon_load_reg64(cpu_V1, rd + pass); } switch (op) { case 5: case 8: case 10: /* VABAL, VMLAL, VMLSL */ - switch (size) { - case 0: gen_op_neon_addl_u16(); break; - case 1: gen_op_neon_addl_u32(); break; - case 2: gen_op_neon_addl_u64(); break; - default: abort(); - } + gen_neon_addl(size); break; case 9: case 11: /* VQDMLAL, VQDMLSL */ - switch (size) { - case 1: gen_op_neon_addl_saturate_s32(); break; - case 2: gen_op_neon_addl_saturate_s64(); break; - default: abort(); - } + gen_neon_addl_saturate(cpu_V0, cpu_V0, size); + gen_neon_addl_saturate(cpu_V0, cpu_V1, size); + break; /* Fall through. */ case 13: /* VQDMULL */ - switch (size) { - case 1: gen_op_neon_addl_saturate_s32(); break; - case 2: gen_op_neon_addl_saturate_s64(); break; - default: abort(); - } + gen_neon_addl_saturate(cpu_V0, cpu_V0, size); break; default: abort(); } - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); + neon_store_reg64(cpu_V0, rd + pass); } else if (op == 4 || op == 6) { /* Narrowing operation. */ + tmp = new_tmp(); if (u) { switch (size) { - case 0: gen_op_neon_narrow_high_u8(); break; - case 1: gen_op_neon_narrow_high_u16(); break; - case 2: gen_op_movl_T0_T1(); break; + case 0: + gen_helper_neon_narrow_high_u8(tmp, cpu_V0); + break; + case 1: + gen_helper_neon_narrow_high_u16(tmp, cpu_V0); + break; + case 2: + tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); + tcg_gen_trunc_i64_i32(tmp, cpu_V0); + break; default: abort(); } } else { switch (size) { - case 0: gen_op_neon_narrow_high_round_u8(); break; - case 1: gen_op_neon_narrow_high_round_u16(); break; - case 2: gen_op_neon_narrow_high_round_u32(); break; + case 0: + gen_helper_neon_narrow_round_high_u8(tmp, cpu_V0); + break; + case 1: + gen_helper_neon_narrow_round_high_u16(tmp, cpu_V0); + break; + case 2: + tcg_gen_addi_i64(cpu_V0, cpu_V0, 1u << 31); + tcg_gen_shri_i64(cpu_V0, cpu_V0, 32); + tcg_gen_trunc_i64_i32(tmp, cpu_V0); + break; default: abort(); } } - NEON_SET_REG(T0, rd, pass); + if (pass == 0) { + tmp3 = tmp; + } else { + neon_store_reg(rd, 0, tmp3); + neon_store_reg(rd, 1, tmp); + } } else { /* Write back the result. */ - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); + neon_store_reg64(cpu_V0, rd + pass); } } } else { @@ -4702,22 +4766,22 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) NEON_GET_REG(T1, rn, pass); if (op == 12) { if (size == 1) { - gen_op_neon_qdmulh_s16(); + gen_helper_neon_qdmulh_s16(CPU_T0E01); } else { - gen_op_neon_qdmulh_s32(); + gen_helper_neon_qdmulh_s32(CPU_T0E01); } } else if (op == 13) { if (size == 1) { - gen_op_neon_qrdmulh_s16(); + gen_helper_neon_qrdmulh_s16(CPU_T0E01); } else { - gen_op_neon_qrdmulh_s32(); + gen_helper_neon_qrdmulh_s32(CPU_T0E01); } } else if (op & 1) { - gen_op_neon_mul_f32(); + gen_helper_neon_mul_f32(CPU_T001); } else { switch (size) { - case 0: gen_op_neon_mul_u8(); break; - case 1: gen_op_neon_mul_u16(); break; + case 0: gen_helper_neon_mul_u8(CPU_T001); break; + case 1: gen_helper_neon_mul_u16(CPU_T001); break; case 2: gen_op_mul_T0_T1(); break; default: return 1; } @@ -4730,18 +4794,13 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) gen_neon_add(size); break; case 1: - gen_op_neon_add_f32(); + gen_helper_neon_add_f32(CPU_T001); break; case 4: - switch (size) { - case 0: gen_op_neon_rsb_u8(); break; - case 1: gen_op_neon_rsb_u16(); break; - case 2: gen_op_rsbl_T0_T1(); break; - default: return 1; - } + gen_neon_rsb(size); break; case 5: - gen_op_neon_rsb_f32(); + gen_helper_neon_sub_f32(cpu_T[0], cpu_T[1], cpu_T[0]); break; default: abort(); @@ -4756,81 +4815,46 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 7: /* VQDMLSL scalar */ case 10: /* VMULL scalar */ case 11: /* VQDMULL scalar */ - if (rd == rn) { - /* Save overlapping operands before they are - clobbered. */ - NEON_GET_REG(T0, rn, 1); - gen_neon_movl_scratch_T0(2); - } + if (size == 0 && (op == 3 || op == 7 || op == 11)) + return 1; + gen_neon_get_scalar(size, rm); - gen_neon_movl_scratch_T0(3); + NEON_GET_REG(T1, rn, 1); + for (pass = 0; pass < 2; pass++) { - if (pass != 0) { - gen_neon_movl_T0_scratch(3); - } - if (pass != 0 && rd == rn) { - gen_neon_movl_T1_scratch(2); + if (pass == 0) { + tmp = neon_load_reg(rn, 0); } else { - NEON_GET_REG(T1, rn, pass); - } - switch ((size << 1) | u) { - case 0: gen_op_neon_mull_s8(); break; - case 1: gen_op_neon_mull_u8(); break; - case 2: gen_op_neon_mull_s16(); break; - case 3: gen_op_neon_mull_u16(); break; - case 4: gen_op_imull_T0_T1(); break; - case 5: gen_op_mull_T0_T1(); break; - default: abort(); + tmp = new_tmp(); + tcg_gen_mov_i32(tmp, cpu_T[1]); } + tmp2 = new_tmp(); + tcg_gen_mov_i32(tmp2, cpu_T[0]); + gen_neon_mull(cpu_V0, tmp, tmp2, size, u); if (op == 6 || op == 7) { - switch (size) { - case 0: gen_op_neon_negl_u16(); break; - case 1: gen_op_neon_negl_u32(); break; - case 2: gen_op_neon_negl_u64(); break; - default: abort(); - } + gen_neon_negl(cpu_V0, size); + } + if (op != 11) { + neon_load_reg64(cpu_V1, rd + pass); } - gen_neon_movl_scratch_T0(0); - gen_neon_movl_scratch_T1(1); - NEON_GET_REG(T0, rd, pass * 2); - NEON_GET_REG(T1, rd, pass * 2 + 1); switch (op) { case 2: case 6: - switch (size) { - case 0: gen_op_neon_addl_u16(); break; - case 1: gen_op_neon_addl_u32(); break; - case 2: gen_op_neon_addl_u64(); break; - default: abort(); - } + gen_neon_addl(size); break; case 3: case 7: - switch (size) { - case 1: - gen_op_neon_addl_saturate_s32(); - gen_op_neon_addl_saturate_s32(); - break; - case 2: - gen_op_neon_addl_saturate_s64(); - gen_op_neon_addl_saturate_s64(); - break; - default: abort(); - } + gen_neon_addl_saturate(cpu_V0, cpu_V0, size); + gen_neon_addl_saturate(cpu_V0, cpu_V1, size); break; case 10: /* no-op */ break; case 11: - switch (size) { - case 1: gen_op_neon_addl_saturate_s32(); break; - case 2: gen_op_neon_addl_saturate_s64(); break; - default: abort(); - } + gen_neon_addl_saturate(cpu_V0, cpu_V0, size); break; default: abort(); } - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); + neon_store_reg64(cpu_V0, rd + pass); } break; default: /* 14 and 15 are RESERVED */ @@ -4840,29 +4864,53 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) } else { /* size == 3 */ if (!u) { /* Extract. */ - int reg; imm = (insn >> 8) & 0xf; - reg = rn; - count = q ? 4 : 2; - n = imm >> 2; - NEON_GET_REG(T0, reg, n); - for (pass = 0; pass < count; pass++) { - n++; - if (n > count) { - reg = rm; - n -= count; + count = q + 1; + + if (imm > 7 && !q) + return 1; + + if (imm == 0) { + neon_load_reg64(cpu_V0, rn); + if (q) { + neon_load_reg64(cpu_V1, rn + 1); } - if (imm & 3) { - NEON_GET_REG(T1, reg, n); - gen_op_neon_extract((insn << 3) & 0x1f); + } else if (imm == 8) { + neon_load_reg64(cpu_V0, rn + 1); + if (q) { + neon_load_reg64(cpu_V1, rm); } - /* ??? This is broken if rd and rm overlap */ - NEON_SET_REG(T0, rd, pass); - if (imm & 3) { - gen_op_movl_T0_T1(); + } else if (q) { + tmp = tcg_temp_new(TCG_TYPE_I64); + if (imm < 8) { + neon_load_reg64(cpu_V0, rn); + neon_load_reg64(tmp, rn + 1); + } else { + neon_load_reg64(cpu_V0, rn + 1); + neon_load_reg64(tmp, rm); + } + tcg_gen_shri_i64(cpu_V0, cpu_V0, (imm & 7) * 8); + tcg_gen_shli_i64(cpu_V1, tmp, 64 - ((imm & 7) * 8)); + tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); + if (imm < 8) { + neon_load_reg64(cpu_V1, rm); } else { - NEON_GET_REG(T0, reg, n); + neon_load_reg64(cpu_V1, rm + 1); + imm -= 8; } + tcg_gen_shli_i64(cpu_V1, cpu_V1, 64 - (imm * 8)); + tcg_gen_shri_i64(tmp, tmp, imm * 8); + tcg_gen_or_i64(cpu_V1, cpu_V1, tmp); + } else { + neon_load_reg64(cpu_V0, rn); + tcg_gen_shri_i32(cpu_V0, cpu_V0, imm * 8); + neon_load_reg64(cpu_V1, rm); + tcg_gen_shli_i32(cpu_V1, cpu_V1, 64 - (imm * 8)); + tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1); + } + neon_store_reg64(cpu_V0, rd); + if (q) { + neon_store_reg64(cpu_V1, rd + 1); } } else if ((insn & (1 << 11)) == 0) { /* Two register misc. */ @@ -4897,28 +4945,25 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) break; case 4: case 5: /* VPADDL */ case 12: case 13: /* VPADAL */ - if (size < 2) - goto elementwise; if (size == 3) return 1; - for (pass = 0; pass < (q ? 2 : 1); pass++) { - NEON_GET_REG(T0, rm, pass * 2); - NEON_GET_REG(T1, rm, pass * 2 + 1); - if (op & 1) - gen_op_neon_paddl_u32(); - else - gen_op_neon_paddl_s32(); + for (pass = 0; pass < q + 1; pass++) { + tmp = neon_load_reg(rm, pass * 2); + gen_neon_widen(cpu_V0, tmp, size, op & 1); + tmp = neon_load_reg(rm, pass * 2 + 1); + gen_neon_widen(cpu_V1, tmp, size, op & 1); + switch (size) { + case 0: gen_helper_neon_paddl_u16(CPU_V001); break; + case 1: gen_helper_neon_paddl_u32(CPU_V001); break; + case 2: tcg_gen_add_i64(CPU_V001); break; + default: abort(); + } if (op >= 12) { /* Accumulate. */ - gen_neon_movl_scratch_T0(0); - gen_neon_movl_scratch_T1(1); - - NEON_GET_REG(T0, rd, pass * 2); - NEON_GET_REG(T1, rd, pass * 2 + 1); - gen_op_neon_addl_u64(); + neon_load_reg64(cpu_V1, rd + pass); + gen_neon_addl(size); } - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); + neon_store_reg64(cpu_V0, rd + pass); } break; case 33: /* VTRN */ @@ -4972,8 +5017,8 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) NEON_GET_REG(T0, rd, n); NEON_GET_REG(T1, rd, n); switch (size) { - case 0: gen_op_neon_zip_u8(); break; - case 1: gen_op_neon_zip_u16(); break; + case 0: gen_helper_neon_zip_u8(); break; + case 1: gen_helper_neon_zip_u16(); break; case 2: /* no-op */; break; default: abort(); } @@ -4987,63 +5032,36 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) } break; case 36: case 37: /* VMOVN, VQMOVUN, VQMOVN */ + if (size == 3) + return 1; for (pass = 0; pass < 2; pass++) { - if (rd == rm + 1) { - n = 1 - pass; - } else { - n = pass; - } - NEON_GET_REG(T0, rm, n * 2); - NEON_GET_REG(T1, rm, n * 2 + 1); + neon_load_reg64(cpu_V0, rm + pass); + tmp = new_tmp(); if (op == 36 && q == 0) { - switch (size) { - case 0: gen_op_neon_narrow_u8(); break; - case 1: gen_op_neon_narrow_u16(); break; - case 2: /* no-op */ break; - default: return 1; - } + gen_neon_narrow(size, tmp, cpu_V0); } else if (q) { - switch (size) { - case 0: gen_op_neon_narrow_sat_u8(); break; - case 1: gen_op_neon_narrow_sat_u16(); break; - case 2: gen_op_neon_narrow_sat_u32(); break; - default: return 1; - } + gen_neon_narrow_satu(size, tmp, cpu_V0); } else { - switch (size) { - case 0: gen_op_neon_narrow_sat_s8(); break; - case 1: gen_op_neon_narrow_sat_s16(); break; - case 2: gen_op_neon_narrow_sat_s32(); break; - default: return 1; - } + gen_neon_narrow_sats(size, tmp, cpu_V0); + } + if (pass == 0) { + tmp2 = tmp; + } else { + neon_store_reg(rd, 0, tmp2); + neon_store_reg(rd, 1, tmp); } - NEON_SET_REG(T0, rd, n); } break; case 38: /* VSHLL */ - if (q) + if (q || size == 3) return 1; - if (rm == rd) { - NEON_GET_REG(T0, rm, 1); - gen_neon_movl_scratch_T0(0); - } + tmp = neon_load_reg(rm, 0); + tmp2 = neon_load_reg(rm, 1); for (pass = 0; pass < 2; pass++) { - if (pass == 1 && rm == rd) { - gen_neon_movl_T0_scratch(0); - } else { - NEON_GET_REG(T0, rm, pass); - } - switch (size) { - case 0: gen_op_neon_widen_high_u8(); break; - case 1: gen_op_neon_widen_high_u16(); break; - case 2: - gen_op_movl_T1_T0(); - gen_op_movl_T0_im(0); - break; - default: return 1; - } - NEON_SET_REG(T0, rd, pass * 2); - NEON_SET_REG(T1, rd, pass * 2 + 1); + if (pass == 1) + tmp = tmp2; + gen_neon_widen(cpu_V0, tmp, size, 1); + neon_store_reg64(cpu_V0, rd + pass); } break; default: @@ -5068,37 +5086,18 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) return 1; gen_rev16(cpu_T[0]); break; - case 4: case 5: /* VPADDL */ - case 12: case 13: /* VPADAL */ - switch ((size << 1) | (op & 1)) { - case 0: gen_op_neon_paddl_s8(); break; - case 1: gen_op_neon_paddl_u8(); break; - case 2: gen_op_neon_paddl_s16(); break; - case 3: gen_op_neon_paddl_u16(); break; - default: abort(); - } - if (op >= 12) { - /* Accumulate */ - NEON_GET_REG(T1, rd, pass); - switch (size) { - case 0: gen_op_neon_add_u16(); break; - case 1: gen_op_addl_T0_T1(); break; - default: abort(); - } - } - break; case 8: /* CLS */ switch (size) { - case 0: gen_op_neon_cls_s8(); break; - case 1: gen_op_neon_cls_s16(); break; - case 2: gen_op_neon_cls_s32(); break; + case 0: gen_helper_neon_cls_s8(cpu_T[0], cpu_T[0]); break; + case 1: gen_helper_neon_cls_s16(cpu_T[0], cpu_T[0]); break; + case 2: gen_helper_neon_cls_s32(cpu_T[0], cpu_T[0]); break; default: return 1; } break; case 9: /* CLZ */ switch (size) { - case 0: gen_op_neon_clz_u8(); break; - case 1: gen_op_neon_clz_u16(); break; + case 0: gen_helper_neon_clz_u8(cpu_T[0], cpu_T[0]); break; + case 1: gen_helper_neon_clz_u16(cpu_T[0], cpu_T[0]); break; case 2: gen_helper_clz(cpu_T[0], cpu_T[0]); break; default: return 1; } @@ -5106,7 +5105,7 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 10: /* CNT */ if (size != 0) return 1; - gen_op_neon_cnt_u8(); + gen_helper_neon_cnt_u8(cpu_T[0], cpu_T[0]); break; case 11: /* VNOT */ if (size != 0) @@ -5115,26 +5114,26 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) break; case 14: /* VQABS */ switch (size) { - case 0: gen_op_neon_qabs_s8(); break; - case 1: gen_op_neon_qabs_s16(); break; - case 2: gen_op_neon_qabs_s32(); break; + case 0: gen_helper_neon_qabs_s8(cpu_T[0], cpu_env, cpu_T[0]); break; + case 1: gen_helper_neon_qabs_s16(cpu_T[0], cpu_env, cpu_T[0]); break; + case 2: gen_helper_neon_qabs_s32(cpu_T[0], cpu_env, cpu_T[0]); break; default: return 1; } break; case 15: /* VQNEG */ switch (size) { - case 0: gen_op_neon_qneg_s8(); break; - case 1: gen_op_neon_qneg_s16(); break; - case 2: gen_op_neon_qneg_s32(); break; + case 0: gen_helper_neon_qneg_s8(cpu_T[0], cpu_env, cpu_T[0]); break; + case 1: gen_helper_neon_qneg_s16(cpu_T[0], cpu_env, cpu_T[0]); break; + case 2: gen_helper_neon_qneg_s32(cpu_T[0], cpu_env, cpu_T[0]); break; default: return 1; } break; case 16: case 19: /* VCGT #0, VCLE #0 */ gen_op_movl_T1_im(0); switch(size) { - case 0: gen_op_neon_cgt_s8(); break; - case 1: gen_op_neon_cgt_s16(); break; - case 2: gen_op_neon_cgt_s32(); break; + case 0: gen_helper_neon_cgt_s8(CPU_T001); break; + case 1: gen_helper_neon_cgt_s16(CPU_T001); break; + case 2: gen_helper_neon_cgt_s32(CPU_T001); break; default: return 1; } if (op == 19) @@ -5143,9 +5142,9 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 17: case 20: /* VCGE #0, VCLT #0 */ gen_op_movl_T1_im(0); switch(size) { - case 0: gen_op_neon_cge_s8(); break; - case 1: gen_op_neon_cge_s16(); break; - case 2: gen_op_neon_cge_s32(); break; + case 0: gen_helper_neon_cge_s8(CPU_T001); break; + case 1: gen_helper_neon_cge_s16(CPU_T001); break; + case 2: gen_helper_neon_cge_s32(CPU_T001); break; default: return 1; } if (op == 20) @@ -5154,44 +5153,41 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 18: /* VCEQ #0 */ gen_op_movl_T1_im(0); switch(size) { - case 0: gen_op_neon_ceq_u8(); break; - case 1: gen_op_neon_ceq_u16(); break; - case 2: gen_op_neon_ceq_u32(); break; + case 0: gen_helper_neon_ceq_u8(CPU_T001); break; + case 1: gen_helper_neon_ceq_u16(CPU_T001); break; + case 2: gen_helper_neon_ceq_u32(CPU_T001); break; default: return 1; } break; case 22: /* VABS */ switch(size) { - case 0: gen_op_neon_abs_s8(); break; - case 1: gen_op_neon_abs_s16(); break; - case 2: gen_op_neon_abs_s32(); break; + case 0: gen_helper_neon_abs_s8(cpu_T[0], cpu_T[0]); break; + case 1: gen_helper_neon_abs_s16(cpu_T[0], cpu_T[0]); break; + case 2: tcg_gen_abs_i32(cpu_T[0], cpu_T[0]); break; default: return 1; } break; case 23: /* VNEG */ gen_op_movl_T1_im(0); - switch(size) { - case 0: gen_op_neon_rsb_u8(); break; - case 1: gen_op_neon_rsb_u16(); break; - case 2: gen_op_rsbl_T0_T1(); break; - default: return 1; - } + if (size == 3) + return 1; + gen_neon_rsb(size); break; case 24: case 27: /* Float VCGT #0, Float VCLE #0 */ gen_op_movl_T1_im(0); - gen_op_neon_cgt_f32(); + gen_helper_neon_cgt_f32(CPU_T001); if (op == 27) gen_op_notl_T0(); break; case 25: case 28: /* Float VCGE #0, Float VCLT #0 */ gen_op_movl_T1_im(0); - gen_op_neon_cge_f32(); + gen_helper_neon_cge_f32(CPU_T001); if (op == 28) gen_op_notl_T0(); break; case 26: /* Float VCEQ #0 */ gen_op_movl_T1_im(0); - gen_op_neon_ceq_f32(); + gen_helper_neon_ceq_f32(CPU_T001); break; case 30: /* Float VABS */ gen_vfp_abs(0); @@ -5206,8 +5202,8 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) case 33: /* VTRN */ NEON_GET_REG(T1, rd, pass); switch (size) { - case 0: gen_op_neon_trn_u8(); break; - case 1: gen_op_neon_trn_u16(); break; + case 0: gen_helper_neon_trn_u8(); break; + case 1: gen_helper_neon_trn_u16(); break; case 2: abort(); default: return 1; } @@ -5281,12 +5277,12 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn) NEON_SET_REG(T0, rm, 0); } if (insn & (1 << 16)) { - gen_op_neon_dup_u8(((insn >> 17) & 3) * 8); + gen_neon_dup_u8(cpu_T[0], ((insn >> 17) & 3) * 8); } else if (insn & (1 << 17)) { if ((insn >> 18) & 1) - gen_op_neon_dup_high16(); + gen_neon_dup_high16(cpu_T[0]); else - gen_op_neon_dup_low16(); + gen_neon_dup_low16(cpu_T[0]); } for (pass = 0; pass < (q ? 4 : 2); pass++) { NEON_SET_REG(T0, rd, pass); @@ -8324,6 +8320,8 @@ static inline int gen_intermediate_code_internal(CPUState *env, cpu_F1s = tcg_temp_new(TCG_TYPE_I32); cpu_F0d = tcg_temp_new(TCG_TYPE_I64); cpu_F1d = tcg_temp_new(TCG_TYPE_I64); + cpu_V0 = cpu_F0d; + cpu_V1 = cpu_F1d; next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; lj = -1; /* Reset the conditional execution bits immediately. This avoids |