[Qemu-devel] [PULL 11/14] target/sparc: optimize gen_op_mulscc() using deposit op

[Richard Henderson]

From: Philippe Mathieu-Daudé <address@hidden>

Suggested-by: Richard Henderson <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 target/sparc/translate.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 67a83b7..a425efb 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -632,11 +632,8 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv 
src2)
 
     // b2 = T0 & 1;
     // env->y = (b2 << 31) | (env->y >> 1);
-    tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1);
-    tcg_gen_shli_tl(r_temp, r_temp, 31);
     tcg_gen_extract_tl(t0, cpu_y, 1, 31);
-    tcg_gen_or_tl(t0, t0, r_temp);
-    tcg_gen_andi_tl(cpu_y, t0, 0xffffffff);
+    tcg_gen_deposit_tl(cpu_y, cpu_y, cpu_cc_src, 31, 1);
 
     // b1 = N ^ V;
     gen_mov_reg_N(t0, cpu_psr);
-- 
2.9.4