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* [Qemu-devel] [PATCH] PPC: Fix rldcl
@ 2013-05-06 17:53 Alexander Graf
  2013-05-06 20:24 ` Aurelien Jarno
  0 siblings, 1 reply; 2+ messages in thread
From: Alexander Graf @ 2013-05-06 17:53 UTC (permalink / raw)
  To: qemu-ppc; +Cc: qemu-devel, tg

The implementation for rldcl tried to always fetch its
parameters from the opcode, even though the opcode was
already passed in in decoded and different forms.

Use the parameters instead, fixing rldcl.

Reported-by: Torbjorn Granlund <tg@gmplib.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 target-ppc/translate.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 0886f4d..a018616 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1733,8 +1733,6 @@ static inline void gen_rldnm(DisasContext *ctx, uint32_t mb, uint32_t me)
 {
     TCGv t0;
 
-    mb = MB(ctx->opcode);
-    me = ME(ctx->opcode);
     t0 = tcg_temp_new();
     tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
     tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
-- 
1.6.0.2

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [Qemu-devel] [PATCH] PPC: Fix rldcl
  2013-05-06 17:53 [Qemu-devel] [PATCH] PPC: Fix rldcl Alexander Graf
@ 2013-05-06 20:24 ` Aurelien Jarno
  0 siblings, 0 replies; 2+ messages in thread
From: Aurelien Jarno @ 2013-05-06 20:24 UTC (permalink / raw)
  To: Alexander Graf; +Cc: qemu-ppc, qemu-devel, tg

On Mon, May 06, 2013 at 07:53:07PM +0200, Alexander Graf wrote:
> The implementation for rldcl tried to always fetch its
> parameters from the opcode, even though the opcode was
> already passed in in decoded and different forms.
> 
> Use the parameters instead, fixing rldcl.
> 
> Reported-by: Torbjorn Granlund <tg@gmplib.org>
> Signed-off-by: Alexander Graf <agraf@suse.de>
> ---
>  target-ppc/translate.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index 0886f4d..a018616 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -1733,8 +1733,6 @@ static inline void gen_rldnm(DisasContext *ctx, uint32_t mb, uint32_t me)
>  {
>      TCGv t0;
>  
> -    mb = MB(ctx->opcode);
> -    me = ME(ctx->opcode);
>      t0 = tcg_temp_new();
>      tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
>      tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>


-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2013-05-06 17:53 [Qemu-devel] [PATCH] PPC: Fix rldcl Alexander Graf
2013-05-06 20:24 ` Aurelien Jarno

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