We can now use tcg_gen_qemu_ld_i32 directly to avoid the truncation.
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
target-i386/translate.c | 39 +++++++++++++++++++--------------------
1 file changed, 19 insertions(+), 20 deletions(-)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 16fae82..117714d 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -4302,12 +4302,11 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b,
case 0x22:
if (ot == MO_32) { /* pinsrd */
if (mod == 3) {
- gen_op_mov_v_reg(ot, cpu_tmp0, rm);
+ tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[rm]);
} else {
- tcg_gen_qemu_ld_tl(cpu_tmp0, cpu_A0,
- s->mem_index, MO_LEUL);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
}
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp0);
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env,
offsetof(CPUX86State,
xmm_regs[reg].XMM_L(val & 3)));
@@ -5904,13 +5903,13 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
switch(op >> 4) {
case 0:
- gen_op_ld_v(s, MO_32, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
gen_helper_flds_FT0(cpu_env, cpu_tmp2_i32);
break;
case 1:
- gen_op_ld_v(s, MO_32, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
gen_helper_fildl_FT0(cpu_env, cpu_tmp2_i32);
break;
case 2:
@@ -5920,8 +5919,8 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
break;
case 3:
default:
- gen_op_ld_v(s, MO_SW, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LESW);
gen_helper_fildl_FT0(cpu_env, cpu_tmp2_i32);
break;
}
@@ -5943,13 +5942,13 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
case 0:
switch(op >> 4) {
case 0:
- gen_op_ld_v(s, MO_32, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
gen_helper_flds_ST0(cpu_env, cpu_tmp2_i32);
break;
case 1:
- gen_op_ld_v(s, MO_32, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
gen_helper_fildl_ST0(cpu_env, cpu_tmp2_i32);
break;
case 2:
@@ -5959,8 +5958,8 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
break;
case 3:
default:
- gen_op_ld_v(s, MO_SW, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LESW);
gen_helper_fildl_ST0(cpu_env, cpu_tmp2_i32);
break;
}
@@ -6022,8 +6021,8 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
gen_helper_fldenv(cpu_env, cpu_A0, tcg_const_i32(s->dflag));
break;
case 0x0d: /* fldcw mem */
- gen_op_ld_v(s, MO_16, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUW);
gen_helper_fldcw(cpu_env, cpu_tmp2_i32);
break;
case 0x0e: /* fnstenv mem */
@@ -7951,8 +7950,8 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
goto illegal_op;
gen_lea_modrm(env, s, modrm);
if (op == 2) {
- gen_op_ld_v(s, MO_32, cpu_T[0], cpu_A0);
- tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
+ tcg_gen_qemu_ld_i32(cpu_tmp2_i32, cpu_A0,
+ s->mem_index, MO_LEUL);
gen_helper_ldmxcsr(cpu_env, cpu_tmp2_i32);
} else {
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,
mxcsr));
--
1.8.3.1
