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[Qemu-devel] [PATCH for-1.8 16/61] target-i386: Tidy movsl
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH for-1.8 16/61] target-i386: Tidy movsl |
Date: |
Thu, 7 Nov 2013 11:04:39 +1000 |
Always perform a sign-extending load. In the extremely unlikely
case that we've used an 0x66 prefix, the extension to 64-bits is
unnecessary but not wrong; the store will still examine only 16 bits.
Signed-off-by: Richard Henderson <address@hidden>
---
target-i386/translate.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 31e6d77..0f00fde 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -7740,11 +7740,7 @@ static target_ulong disas_insn(CPUX86State *env,
DisasContext *s,
gen_op_mov_reg_T0(d_ot, reg);
} else {
gen_lea_modrm(env, s, modrm, ®_addr, &offset_addr);
- if (d_ot == MO_64) {
- gen_op_ld_v(s, MO_32 | MO_SIGN, cpu_T[0], cpu_A0);
- } else {
- gen_op_ld_v(s, MO_32, cpu_T[0], cpu_A0);
- }
+ gen_op_ld_v(s, MO_32 | MO_SIGN, cpu_T[0], cpu_A0);
gen_op_mov_reg_T0(d_ot, reg);
}
} else
--
1.8.3.1
- [Qemu-devel] [PATCH for-1.8 06/61] target-i386: Replace OT_* constants with MO_* constants, (continued)
- [Qemu-devel] [PATCH for-1.8 06/61] target-i386: Replace OT_* constants with MO_* constants, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 07/61] target-i386: Remove gen_op_ld_T0_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 08/61] target-i386: Remove gen_op_ldu_T0_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 09/61] target-i386: Remove gen_op_ld_T1_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 10/61] target-i386: Remove gen_op_lds_T0_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 11/61] target-i386: Introduce gen_op_st_rm_T0_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 12/61] target-i386: Remove gen_op_st_T0_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 13/61] target-i386: Remove gen_op_st_T1_A0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 14/61] target-i386: Fix typo in gen_push_T1, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 15/61] target-i386: Tidy mov[sz][bw], Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 16/61] target-i386: Tidy movsl,
Richard Henderson <=
- [Qemu-devel] [PATCH for-1.8 17/61] target-i386: Remove unused arguments to gen_lea_modrm, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 18/61] target-i386: Use MO_BE for movbe, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 19/61] target-i386: Tidy gen_op_mov_TN_reg+tcg_gen_trunc_tl_i32, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 20/61] target-i386: Tidy load + truncate, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 21/61] target-i386: Tidy extend + store, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 22/61] target-i386: Tidy extend + move, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 23/61] target-i386: Remove gen_op_movl_T0_0, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 24/61] target-i386: Remove gen_op_movl_T0_im*, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 27/61] target-i386: Remove gen_movtl_T*_im, Richard Henderson, 2013/11/06
- [Qemu-devel] [PATCH for-1.8 28/61] target-i386: Remove gen_op_andl_T0_ffff, Richard Henderson, 2013/11/06