* [Qemu-devel] [PATCH] target-ppc: fix fsel instruction
@ 2008-12-14 1:49 Nathan Froyd
2008-12-14 11:12 ` Aurelien Jarno
0 siblings, 1 reply; 2+ messages in thread
From: Nathan Froyd @ 2008-12-14 1:49 UTC (permalink / raw)
To: qemu-devel
Fix fsel instruction. Eliminate unneeded temporaries while we're at it,
too.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
---
target-ppc/op_helper.c | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index a9b7f73..92c6269 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -1592,16 +1592,14 @@ uint64_t helper_frsqrte (uint64_t arg)
/* fsel - fsel. */
uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3)
{
- CPU_DoubleU farg1, farg2, farg3;
+ CPU_DoubleU farg1;
farg1.ll = arg1;
- farg2.ll = arg2;
- farg3.ll = arg3;
if (!fpisneg(farg1.d) || iszero(farg1.d))
- return farg2.ll;
+ return arg2;
else
- return farg2.ll;
+ return arg3;
}
uint32_t helper_fcmpu (uint64_t arg1, uint64_t arg2)
--
1.6.0.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] [PATCH] target-ppc: fix fsel instruction
2008-12-14 1:49 [Qemu-devel] [PATCH] target-ppc: fix fsel instruction Nathan Froyd
@ 2008-12-14 11:12 ` Aurelien Jarno
0 siblings, 0 replies; 2+ messages in thread
From: Aurelien Jarno @ 2008-12-14 11:12 UTC (permalink / raw)
To: qemu-devel
On Sat, Dec 13, 2008 at 05:49:10PM -0800, Nathan Froyd wrote:
> Fix fsel instruction. Eliminate unneeded temporaries while we're at it,
> too.
>
> Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Thanks, applied.
> ---
> target-ppc/op_helper.c | 8 +++-----
> 1 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
> index a9b7f73..92c6269 100644
> --- a/target-ppc/op_helper.c
> +++ b/target-ppc/op_helper.c
> @@ -1592,16 +1592,14 @@ uint64_t helper_frsqrte (uint64_t arg)
> /* fsel - fsel. */
> uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3)
> {
> - CPU_DoubleU farg1, farg2, farg3;
> + CPU_DoubleU farg1;
>
> farg1.ll = arg1;
> - farg2.ll = arg2;
> - farg3.ll = arg3;
>
> if (!fpisneg(farg1.d) || iszero(farg1.d))
> - return farg2.ll;
> + return arg2;
> else
> - return farg2.ll;
> + return arg3;
> }
>
> uint32_t helper_fcmpu (uint64_t arg1, uint64_t arg2)
> --
> 1.6.0.5
>
>
>
>
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' aurel32@debian.org | aurelien@aurel32.net
`- people.debian.org/~aurel32 | www.aurel32.net
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