diff options
| author | Richard Henderson <rth@twiddle.net> | 2013-11-05 11:31:34 +1000 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2014-01-07 11:36:32 -0800 |
| commit | a7fbcbe538518108a967306c29dbb0fe76e0b512 (patch) | |
| tree | b0ea0db643280122251c61fbedfe556699815436 /target-i386 | |
| parent | d5601ad0235679a1b58e8975a34f63c5f039af36 (diff) | |
| download | qemu-a7fbcbe538518108a967306c29dbb0fe76e0b512.tar.gz | |
target-i386: Tidy extend + move
For the known MO_32/MO_64 cases, we don't need to extend a 32-bit temp
into a 64-bit temp before storing into the hardware register.
We do need the extension for the MO_8/MO_16 cases, in order for the
deposit_tl operation to work, so leave those alone.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/translate.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/target-i386/translate.c b/target-i386/translate.c index ad6ecd324b..2d404d73e3 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -3538,16 +3538,14 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b, tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm])); gen_helper_movmskps(cpu_tmp2_i32, cpu_env, cpu_ptr0); - tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); - gen_op_mov_reg_T0(MO_32, reg); + tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32); break; case 0x150: /* movmskpd */ rm = (modrm & 7) | REX_B(s); tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm])); gen_helper_movmskpd(cpu_tmp2_i32, cpu_env, cpu_ptr0); - tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); - gen_op_mov_reg_T0(MO_32, reg); + tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32); break; case 0x02a: /* cvtpi2ps */ case 0x12a: /* cvtpi2pd */ @@ -3731,9 +3729,8 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b, tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx)); gen_helper_pmovmskb_mmx(cpu_tmp2_i32, cpu_env, cpu_ptr0); } - tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); reg = ((modrm >> 3) & 7) | rex_r; - gen_op_mov_reg_T0(MO_32, reg); + tcg_gen_extu_i32_tl(cpu_regs[reg], cpu_tmp2_i32); break; case 0x138: @@ -4229,8 +4226,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b, offsetof(CPUX86State, xmm_regs[reg].XMM_L(val & 3))); if (mod == 3) { - tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32); - gen_op_mov_reg_v(ot, rm, cpu_T[0]); + tcg_gen_extu_i32_tl(cpu_regs[rm], cpu_tmp2_i32); } else { tcg_gen_qemu_st_i32(cpu_tmp2_i32, cpu_A0, s->mem_index, MO_LEUL); @@ -4241,7 +4237,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b, offsetof(CPUX86State, xmm_regs[reg].XMM_Q(val & 1))); if (mod == 3) { - gen_op_mov_reg_v(ot, rm, cpu_tmp1_i64); + tcg_gen_mov_i64(cpu_regs[rm], cpu_tmp1_i64); } else { tcg_gen_qemu_st_i64(cpu_tmp1_i64, cpu_A0, s->mem_index, MO_LEQ); |