diff options
Diffstat (limited to 'target-arm/translate-a64.c')
| -rw-r--r-- | target-arm/translate-a64.c | 109 |
1 files changed, 105 insertions, 4 deletions
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index 18659d711e..9f0645075e 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -7321,6 +7321,101 @@ static void handle_2misc_narrow(DisasContext *s, bool scalar, } } +/* Remaining saturating accumulating ops */ +static void handle_2misc_satacc(DisasContext *s, bool is_scalar, bool is_u, + bool is_q, int size, int rn, int rd) +{ + bool is_double = (size == 3); + + if (is_double) { + TCGv_i64 tcg_rn = tcg_temp_new_i64(); + TCGv_i64 tcg_rd = tcg_temp_new_i64(); + int pass; + + for (pass = 0; pass < (is_scalar ? 1 : 2); pass++) { + read_vec_element(s, tcg_rn, rn, pass, MO_64); + read_vec_element(s, tcg_rd, rd, pass, MO_64); + + if (is_u) { /* USQADD */ + gen_helper_neon_uqadd_s64(tcg_rd, cpu_env, tcg_rn, tcg_rd); + } else { /* SUQADD */ + gen_helper_neon_sqadd_u64(tcg_rd, cpu_env, tcg_rn, tcg_rd); + } + write_vec_element(s, tcg_rd, rd, pass, MO_64); + } + if (is_scalar) { + clear_vec_high(s, rd); + } + + tcg_temp_free_i64(tcg_rd); + tcg_temp_free_i64(tcg_rn); + } else { + TCGv_i32 tcg_rn = tcg_temp_new_i32(); + TCGv_i32 tcg_rd = tcg_temp_new_i32(); + int pass, maxpasses; + + if (is_scalar) { + maxpasses = 1; + } else { + maxpasses = is_q ? 4 : 2; + } + + for (pass = 0; pass < maxpasses; pass++) { + if (is_scalar) { + read_vec_element_i32(s, tcg_rn, rn, pass, size); + read_vec_element_i32(s, tcg_rd, rd, pass, size); + } else { + read_vec_element_i32(s, tcg_rn, rn, pass, MO_32); + read_vec_element_i32(s, tcg_rd, rd, pass, MO_32); + } + + if (is_u) { /* USQADD */ + switch (size) { + case 0: + gen_helper_neon_uqadd_s8(tcg_rd, cpu_env, tcg_rn, tcg_rd); + break; + case 1: + gen_helper_neon_uqadd_s16(tcg_rd, cpu_env, tcg_rn, tcg_rd); + break; + case 2: + gen_helper_neon_uqadd_s32(tcg_rd, cpu_env, tcg_rn, tcg_rd); + break; + default: + g_assert_not_reached(); + } + } else { /* SUQADD */ + switch (size) { + case 0: + gen_helper_neon_sqadd_u8(tcg_rd, cpu_env, tcg_rn, tcg_rd); + break; + case 1: + gen_helper_neon_sqadd_u16(tcg_rd, cpu_env, tcg_rn, tcg_rd); + break; + case 2: + gen_helper_neon_sqadd_u32(tcg_rd, cpu_env, tcg_rn, tcg_rd); + break; + default: + g_assert_not_reached(); + } + } + + if (is_scalar) { + TCGv_i64 tcg_zero = tcg_const_i64(0); + write_vec_element(s, tcg_zero, rd, 0, MO_64); + tcg_temp_free_i64(tcg_zero); + } + write_vec_element_i32(s, tcg_rd, rd, pass, MO_32); + } + + if (!is_q) { + clear_vec_high(s, rd); + } + + tcg_temp_free_i32(tcg_rd); + tcg_temp_free_i32(tcg_rn); + } +} + /* C3.6.12 AdvSIMD scalar two reg misc * 31 30 29 28 24 23 22 21 17 16 12 11 10 9 5 4 0 * +-----+---+-----------+------+-----------+--------+-----+------+------+ @@ -7340,6 +7435,9 @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn) TCGv_ptr tcg_fpstatus; switch (opcode) { + case 0x3: /* USQADD / SUQADD*/ + handle_2misc_satacc(s, true, u, false, size, rn, rd); + return; case 0x7: /* SQABS / SQNEG */ break; case 0xa: /* CMLT */ @@ -7427,10 +7525,7 @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn) } break; default: - /* Other categories of encoding in this class: - * + SUQADD/USQADD/SQABS/SQNEG : size 8, 16, 32 or 64 - */ - unsupported_encoding(s, insn); + unallocated_encoding(s); return; } @@ -9194,6 +9289,12 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) } break; case 0x3: /* SUQADD, USQADD */ + if (size == 3 && !is_q) { + unallocated_encoding(s); + return; + } + handle_2misc_satacc(s, false, u, is_q, size, rn, rd); + return; case 0x7: /* SQABS, SQNEG */ if (size == 3 && !is_q) { unallocated_encoding(s); |