[Qemu-devel] [PATCH v1 2/7] target-microblaze: dec_barrel: Use extract32

Edgar E. Iglesias posted 7 patches 8 years, 7 months ago
There is a newer version of this series
[Qemu-devel] [PATCH v1 2/7] target-microblaze: dec_barrel: Use extract32
Posted by Edgar E. Iglesias 8 years, 7 months ago
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Use extract32 instead of opencoding the shifting and masking.
No functional change.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 target/microblaze/translate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 4136a8e..e959de7 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -670,8 +670,8 @@ static void dec_barrel(DisasContext *dc)
         return;
     }
 
-    s = dc->imm & (1 << 10);
-    t = dc->imm & (1 << 9);
+    s = extract32(dc->imm, 10, 1);
+    t = extract32(dc->imm, 9, 1);
 
     LOG_DIS("bs%s%s r%d r%d r%d\n",
             s ? "l" : "r", t ? "a" : "l", dc->rd, dc->ra, dc->rb);
-- 
2.7.4


Re: [Qemu-devel] [PATCH v1 2/7] target-microblaze: dec_barrel: Use extract32
Posted by Richard Henderson 8 years, 7 months ago
On 06/20/2017 09:08 AM, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias"<edgar.iglesias@xilinx.com>
> 
> Use extract32 instead of opencoding the shifting and masking.
> No functional change.
> 
> Signed-off-by: Edgar E. Iglesias<edgar.iglesias@xilinx.com>
> ---
>   target/microblaze/translate.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~