public inbox for libc-alpha@sourceware.org
 help / color / mirror / Atom feed
* [PATCH] powerpc: fix ifunc implementation list for POWER9 strlen and stpcpy
@ 2020-09-17 14:16 Raphael Moreira Zinsly
  2020-09-17 16:03 ` Paul E Murphy
  0 siblings, 1 reply; 3+ messages in thread
From: Raphael Moreira Zinsly @ 2020-09-17 14:16 UTC (permalink / raw)
  To: libc-alpha; +Cc: murphyp, tuliom, Raphael Moreira Zinsly

__strlen_power9 and __stpcpy_power9 were added to their ifunc lists
using the wrong function names.
---
 sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index ea10b00417..dd54e7d6bb 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -99,7 +99,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c.  */
   IFUNC_IMPL (i, name, stpcpy,
 #ifdef __LITTLE_ENDIAN__
-	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00,
+	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
 			      __stpcpy_power9)
 #endif
 	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
@@ -112,7 +112,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c.  */
   IFUNC_IMPL (i, name, strlen,
 #ifdef __LITTLE_ENDIAN__
-	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
+	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00,
 			      __strlen_power9)
 #endif
 	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
-- 
2.26.2


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] powerpc: fix ifunc implementation list for POWER9 strlen and stpcpy
  2020-09-17 14:16 [PATCH] powerpc: fix ifunc implementation list for POWER9 strlen and stpcpy Raphael Moreira Zinsly
@ 2020-09-17 16:03 ` Paul E Murphy
  2020-09-18 15:24   ` Paul A. Clarke
  0 siblings, 1 reply; 3+ messages in thread
From: Paul E Murphy @ 2020-09-17 16:03 UTC (permalink / raw)
  To: Raphael Moreira Zinsly, libc-alpha

Good catch.  I was surprised no warnings were generated, but looking at 
the macros, the type information about the ifuncs is stripped away.

LGTM, and pushed.

On 9/17/20 9:16 AM, Raphael Moreira Zinsly wrote:
> __strlen_power9 and __stpcpy_power9 were added to their ifunc lists
> using the wrong function names.
> ---
>   sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> index ea10b00417..dd54e7d6bb 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> @@ -99,7 +99,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
>     /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c.  */
>     IFUNC_IMPL (i, name, stpcpy,
>   #ifdef __LITTLE_ENDIAN__
> -	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00,
> +	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
>   			      __stpcpy_power9)
>   #endif
>   	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
> @@ -112,7 +112,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
>     /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c.  */
>     IFUNC_IMPL (i, name, strlen,
>   #ifdef __LITTLE_ENDIAN__
> -	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
> +	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00,
>   			      __strlen_power9)
>   #endif
>   	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] powerpc: fix ifunc implementation list for POWER9 strlen and stpcpy
  2020-09-17 16:03 ` Paul E Murphy
@ 2020-09-18 15:24   ` Paul A. Clarke
  0 siblings, 0 replies; 3+ messages in thread
From: Paul A. Clarke @ 2020-09-18 15:24 UTC (permalink / raw)
  To: Paul E Murphy; +Cc: Raphael Moreira Zinsly, libc-alpha

On Thu, Sep 17, 2020 at 11:03:29AM -0500, Paul E Murphy via Libc-alpha wrote:
> Good catch.  I was surprised no warnings were generated, but looking at the
> macros, the type information about the ifuncs is stripped away.

Should we create a test for this type of error, since it went otherwise
undetected?

> 
> LGTM, and pushed.
> 
> On 9/17/20 9:16 AM, Raphael Moreira Zinsly wrote:
> > __strlen_power9 and __stpcpy_power9 were added to their ifunc lists
> > using the wrong function names.
> > ---
> >   sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c | 4 ++--
> >   1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> > index ea10b00417..dd54e7d6bb 100644
> > --- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> > +++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> > @@ -99,7 +99,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
> >     /* Support sysdeps/powerpc/powerpc64/multiarch/stpcpy.c.  */
> >     IFUNC_IMPL (i, name, stpcpy,
> >   #ifdef __LITTLE_ENDIAN__
> > -	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00,
> > +	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
> >   			      __stpcpy_power9)
> >   #endif
> >   	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
> > @@ -112,7 +112,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
> >     /* Support sysdeps/powerpc/powerpc64/multiarch/strlen.c.  */
> >     IFUNC_IMPL (i, name, strlen,
> >   #ifdef __LITTLE_ENDIAN__
> > -	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
> > +	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00,
> >   			      __strlen_power9)
> >   #endif
> >   	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
> > 

PC

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-09-18 15:24 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-17 14:16 [PATCH] powerpc: fix ifunc implementation list for POWER9 strlen and stpcpy Raphael Moreira Zinsly
2020-09-17 16:03 ` Paul E Murphy
2020-09-18 15:24   ` Paul A. Clarke

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).