[Qemu-devel] [PATCH] target-i386: Remove redundant word mask in port out instructions

[Jan Kiszka]

T0 was already masked to 16 bits when loading it.

Signed-off-by: Jan Kiszka <address@hidden>
---
 target-i386/translate.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/target-i386/translate.c b/target-i386/translate.c
index b894e97..1ef8d16 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -6116,7 +6116,6 @@ static target_ulong disas_insn(DisasContext *s, 
target_ulong pc_start)
         if (use_icount)
             gen_io_start();
         tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
-        tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
         tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
         gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
         if (use_icount) {
@@ -6159,7 +6158,6 @@ static target_ulong disas_insn(DisasContext *s, 
target_ulong pc_start)
         if (use_icount)
             gen_io_start();
         tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
-        tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
         tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[1]);
         gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
         if (use_icount) {
-- 
1.7.3.4