From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Mon, 26 Sep 2011 17:20:00 +0000 (+0200)
Subject: target-i386: Remove redundant word mask in port out instructions
X-Git-Tag: v1.0-rc0~168
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=86ce7a5e7eedb7b1f18b24159fde20d47259b619;p=thirdparty%2Fqemu.git

target-i386: Remove redundant word mask in port out instructions

T0 was already masked to 16 bits when loading it.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---

diff --git a/target-i386/translate.c b/target-i386/translate.c
index b894e97e152..1ef8d16ac75 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) {