[Qemu-devel] [PULL 08/14] target/m68k: optimize bcd_flags() using extract op

[Richard Henderson]

From: Philippe Mathieu-Daudé <address@hidden>

Done with the Coccinelle semantic patch
scripts/coccinelle/tcg_gen_extract.cocci.

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Acked-by: Laurent Vivier <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 target/m68k/translate.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 3a519b7..e709e6c 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -1749,8 +1749,7 @@ static void bcd_flags(TCGv val)
     tcg_gen_andi_i32(QREG_CC_C, val, 0x0ff);
     tcg_gen_or_i32(QREG_CC_Z, QREG_CC_Z, QREG_CC_C);
 
-    tcg_gen_shri_i32(QREG_CC_C, val, 8);
-    tcg_gen_andi_i32(QREG_CC_C, QREG_CC_C, 1);
+    tcg_gen_extract_i32(QREG_CC_C, val, 8, 1);
 
     tcg_gen_mov_i32(QREG_CC_X, QREG_CC_C);
 }
-- 
2.9.4