[Qemu-devel] [PATCH v5 04/10] target/m68k: optimize bcd_flags() using extract op

[Philippe Mathieu-Daudé]

Done with the Coccinelle semantic patch from commit 58daf05d07dd
(see 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>
---
Richard: maybe you need to update 58daf05d07dd to your commit...

 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 3a519b790d..e709e6cde2 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);
 }
-- 
2.13.2