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authorBlue Swirl <blauwirbel@gmail.com>2009-05-10 07:43:21 +0000
committerBlue Swirl <blauwirbel@gmail.com>2009-05-10 07:43:21 +0000
commitd084469ca0a0fb7c7f51dbe9062092c6983dfa02 (patch)
treed7c2a85e175492c58c52b686283e503a7856f1cc /target-sparc
parent6c78ea32e1f02216f45dee69a0c6ee0ca968fdac (diff)
downloadqemu-d084469ca0a0fb7c7f51dbe9062092c6983dfa02.tar.gz
Convert mulscc
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc')
-rw-r--r--target-sparc/translate.c133
1 files changed, 2 insertions, 131 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index a69c708dda..cd22f2bf8f 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -274,130 +274,6 @@ static inline void gen_mov_reg_C(TCGv reg, TCGv_i32 src)
tcg_gen_andi_tl(reg, reg, 0x1);
}
-static inline void gen_cc_clear_icc(void)
-{
- tcg_gen_movi_i32(cpu_psr, 0);
-}
-
-#ifdef TARGET_SPARC64
-static inline void gen_cc_clear_xcc(void)
-{
- tcg_gen_movi_i32(cpu_xcc, 0);
-}
-#endif
-
-/* old op:
- if (!T0)
- env->psr |= PSR_ZERO;
- if ((int32_t) T0 < 0)
- env->psr |= PSR_NEG;
-*/
-static inline void gen_cc_NZ_icc(TCGv dst)
-{
- TCGv r_temp;
- int l1, l2;
-
- l1 = gen_new_label();
- l2 = gen_new_label();
- r_temp = tcg_temp_new();
- tcg_gen_andi_tl(r_temp, dst, 0xffffffffULL);
- tcg_gen_brcondi_tl(TCG_COND_NE, r_temp, 0, l1);
- tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_ZERO);
- gen_set_label(l1);
- tcg_gen_ext32s_tl(r_temp, dst);
- tcg_gen_brcondi_tl(TCG_COND_GE, r_temp, 0, l2);
- tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_NEG);
- gen_set_label(l2);
- tcg_temp_free(r_temp);
-}
-
-#ifdef TARGET_SPARC64
-static inline void gen_cc_NZ_xcc(TCGv dst)
-{
- int l1, l2;
-
- l1 = gen_new_label();
- l2 = gen_new_label();
- tcg_gen_brcondi_tl(TCG_COND_NE, dst, 0, l1);
- tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_ZERO);
- gen_set_label(l1);
- tcg_gen_brcondi_tl(TCG_COND_GE, dst, 0, l2);
- tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_NEG);
- gen_set_label(l2);
-}
-#endif
-
-/* old op:
- if (T0 < src1)
- env->psr |= PSR_CARRY;
-*/
-static inline void gen_cc_C_add_icc(TCGv dst, TCGv src1)
-{
- TCGv r_temp1, r_temp2;
- int l1;
-
- l1 = gen_new_label();
- r_temp1 = tcg_temp_new();
- r_temp2 = tcg_temp_new();
- tcg_gen_andi_tl(r_temp1, dst, 0xffffffffULL);
- tcg_gen_andi_tl(r_temp2, src1, 0xffffffffULL);
- tcg_gen_brcond_tl(TCG_COND_GEU, r_temp1, r_temp2, l1);
- tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_CARRY);
- gen_set_label(l1);
- tcg_temp_free(r_temp1);
- tcg_temp_free(r_temp2);
-}
-
-#ifdef TARGET_SPARC64
-static inline void gen_cc_C_add_xcc(TCGv dst, TCGv src1)
-{
- int l1;
-
- l1 = gen_new_label();
- tcg_gen_brcond_tl(TCG_COND_GEU, dst, src1, l1);
- tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_CARRY);
- gen_set_label(l1);
-}
-#endif
-
-/* old op:
- if (((src1 ^ T1 ^ -1) & (src1 ^ T0)) & (1 << 31))
- env->psr |= PSR_OVF;
-*/
-static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2)
-{
- TCGv r_temp;
-
- r_temp = tcg_temp_new();
- tcg_gen_xor_tl(r_temp, src1, src2);
- tcg_gen_not_tl(r_temp, r_temp);
- tcg_gen_xor_tl(cpu_tmp0, src1, dst);
- tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
- tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 31));
- tcg_gen_shri_tl(r_temp, r_temp, 31 - PSR_OVF_SHIFT);
- tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp);
- tcg_temp_free(r_temp);
- tcg_gen_or_i32(cpu_psr, cpu_psr, cpu_tmp32);
-}
-
-#ifdef TARGET_SPARC64
-static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2)
-{
- TCGv r_temp;
-
- r_temp = tcg_temp_new();
- tcg_gen_xor_tl(r_temp, src1, src2);
- tcg_gen_not_tl(r_temp, r_temp);
- tcg_gen_xor_tl(cpu_tmp0, src1, dst);
- tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0);
- tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63));
- tcg_gen_shri_tl(r_temp, r_temp, 63 - PSR_OVF_SHIFT);
- tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp);
- tcg_temp_free(r_temp);
- tcg_gen_or_i32(cpu_xcc, cpu_xcc, cpu_tmp32);
-}
-#endif
-
static inline void gen_add_tv(TCGv dst, TCGv src1, TCGv src2)
{
TCGv r_temp;
@@ -612,13 +488,8 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1);
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0);
- /* do addition and update flags */
tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
- gen_cc_clear_icc();
- gen_cc_NZ_icc(cpu_cc_dst);
- gen_cc_V_add_icc(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
- gen_cc_C_add_icc(cpu_cc_dst, cpu_cc_src);
tcg_gen_mov_tl(dst, cpu_cc_dst);
}
@@ -3190,8 +3061,8 @@ static void disas_sparc_insn(DisasContext * dc)
gen_helper_compute_psr();
gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
gen_movl_TN_reg(rd, cpu_dst);
- tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
- dc->cc_op = CC_OP_FLAGS;
+ tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
+ dc->cc_op = CC_OP_ADD;
break;
#ifndef TARGET_SPARC64
case 0x25: /* sll */