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* [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
@ 2021-07-06 10:51 Anton Blanchard via Libc-alpha
  2021-07-06 15:05 ` Adhemerval Zanella via Libc-alpha
  2021-07-08 22:29 ` Tulio Magno Quites Machado Filho via Libc-alpha
  0 siblings, 2 replies; 12+ messages in thread
From: Anton Blanchard via Libc-alpha @ 2021-07-06 10:51 UTC (permalink / raw)
  To: tuliom; +Cc: libc-alpha

We use PPC_FEATURE_HAS_VSX to select a number of POWER7 optimised
functions. These functions don't use any VSX instructions, so
PPC_FEATURE_ARCH_2_06 seems like a better fit.
---
 sysdeps/powerpc/powerpc64/multiarch/memchr.c       | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/memcmp.c       | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/memrchr.c      | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/memset.c       | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c    | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/stpncpy.c      | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c   | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strchr.c       | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strchrnul.c    | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strcmp.c       | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strlen.c       | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strncase.c     | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strncase_l.c   | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strncmp.c      | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strncpy.c      | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strnlen.c      | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strrchr.c      | 2 +-
 sysdeps/powerpc/powerpc64/multiarch/strstr.c       | 2 +-
 19 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/sysdeps/powerpc/powerpc64/multiarch/memchr.c b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
index 0c718d4f15..c24186689e 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
@@ -30,7 +30,7 @@ extern __typeof (__memchr) __memchr_power8 attribute_hidden;
 libc_ifunc (__memchr,
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __memchr_power8 :
-	    (hwcap & PPC_FEATURE_HAS_VSX)
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __memchr_power7
             : __memchr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
index 4fd089aba7..99559bce26 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
@@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp,
 #endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __memcmp_power8 :
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __memcmp_power7
 		       : (hwcap & PPC_FEATURE_POWER4)
 			 ? __memcmp_power4
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
index e06d6468b8..16bb6f0042 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
@@ -30,7 +30,7 @@ extern __typeof (__memrchr) __memrchr_power8 attribute_hidden;
 libc_ifunc (__memrchr,
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __memrchr_power8 :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __memrchr_power7
 	    : __memrchr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memset.c b/sysdeps/powerpc/powerpc64/multiarch/memset.c
index 5994bf02e6..c1aa143f60 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memset.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memset.c
@@ -48,7 +48,7 @@ libc_ifunc (__libc_memset,
 # endif
             (hwcap2 & PPC_FEATURE2_ARCH_2_07)
             ? __memset_power8 :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __memset_power7 :
 		(hwcap & PPC_FEATURE_ARCH_2_05)
 		? __memset_power6 :
diff --git a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
index c0ffea2b93..b5d2d3a635 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
@@ -41,7 +41,7 @@ libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr,
 		       (hwcap2 & PPC_FEATURE2_ARCH_3_00)
 		       ? __rawmemchr_power9 :
 # endif
-		         (hwcap & PPC_FEATURE_HAS_VSX)
+		         (hwcap & PPC_FEATURE_ARCH_2_06)
 		         ? __rawmemchr_power7
 		       : __rawmemchr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
index bebd377fd9..e7035761a7 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
@@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect___stpncpy, __stpncpy,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __stpncpy_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __stpncpy_power7
 			 : __stpncpy_ppc);
 weak_alias (__stpncpy, stpncpy)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
index dcd7774403..55ca6c85c4 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
@@ -29,7 +29,7 @@ extern __typeof (__strcasecmp) __strcasecmp_power8 attribute_hidden;
 libc_ifunc (__libc_strcasecmp,
 	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
              ? __strcasecmp_power8:
-	     (hwcap & PPC_FEATURE_HAS_VSX)
+	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strcasecmp_power7
              : __strcasecmp_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
index 96a70b8b11..1afee5d7fd 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
@@ -32,7 +32,7 @@ extern __typeof (__strcasecmp_l) __strcasecmp_l_power7 attribute_hidden;
 
 extern __typeof (__strcasecmp_l) __libc_strcasecmp_l;
 libc_ifunc (__libc_strcasecmp_l,
-	    (hwcap & PPC_FEATURE_HAS_VSX)
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __strcasecmp_l_power7
             : __strcasecmp_l_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr.c b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
index ea9ac1134f..27c794c6b7 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
@@ -35,7 +35,7 @@ extern __typeof (strchr) __strchr_power8 attribute_hidden;
 libc_ifunc_redirected (__redirect_strchr, strchr,
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strchr_power8 :
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strchr_power7
 		       : __strchr_ppc);
 weak_alias (strchr, index)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
index 4688e7c3f0..4a07b4a242 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
@@ -30,7 +30,7 @@ extern __typeof (__strchrnul) __strchrnul_power8 attribute_hidden;
 libc_ifunc (__strchrnul,
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __strchrnul_power8 :
-	    (hwcap & PPC_FEATURE_HAS_VSX)
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __strchrnul_power7
             : __strchrnul_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
index 72f9a639bf..4b0b25fff6 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
@@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect_strcmp, strcmp,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strcmp_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strcmp_power7
 			 : __strcmp_ppc);
 #endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strlen.c b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
index 109c8a90bd..0cd1c6faff 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strlen.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
@@ -42,7 +42,7 @@ libc_ifunc (__libc_strlen,
 # endif
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __strlen_power8 :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __strlen_power7
 	      : __strlen_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase.c b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
index 2013a5d75a..644046bd74 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncase.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
@@ -29,7 +29,7 @@ extern __typeof (__strncasecmp) __strncasecmp_power8 attribute_hidden;
 libc_ifunc (__libc_strncasecmp,
 	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
              ? __strncasecmp_power8:
-	     (hwcap & PPC_FEATURE_HAS_VSX)
+	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strncasecmp_power7
              : __strncasecmp_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
index cad6da302d..d2d761af72 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
@@ -34,7 +34,7 @@ extern __typeof (__strncasecmp_l) __strncasecmp_l_power7 attribute_hidden;
    ifunc symbol properly.  */
 extern __typeof (__strncasecmp_l) __libc_strncasecmp_l;
 libc_ifunc (__libc_strncasecmp_l,
-	     (hwcap & PPC_FEATURE_HAS_VSX)
+	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strncasecmp_l_power7
              : __strncasecmp_l_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
index eef524ddfb..1f689e5c05 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
@@ -43,7 +43,7 @@ libc_ifunc_redirected (__redirect_strncmp, strncmp,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strncmp_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strncmp_power7
 			 : (hwcap & PPC_FEATURE_POWER4)
 			   ? __strncmp_power4
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
index 7da9def358..d4d3463bd1 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
@@ -43,7 +43,7 @@ libc_ifunc_redirected (__redirect_strncpy, strncpy,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strncpy_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strncpy_power7
 			 : __strncpy_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
index 264b7a752d..baf375a75a 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
@@ -31,7 +31,7 @@ extern __typeof (__strnlen) __strnlen_power8 attribute_hidden;
 libc_ifunc_redirected (__redirect___strnlen, __strnlen,
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strnlen_power8 :
-			 (hwcap & PPC_FEATURE_HAS_VSX)
+			 (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strnlen_power7
 			 : __strnlen_ppc);
 weak_alias (__strnlen, strnlen)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
index bb06b93d19..1c9eea1817 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
@@ -33,7 +33,7 @@ extern __typeof (strrchr) __strrchr_power8 attribute_hidden;
 libc_ifunc_redirected (__redirect_strrchr, strrchr,
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strrchr_power8 :
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strrchr_power7
 		       : __strrchr_ppc);
 weak_alias (strrchr, rindex)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strstr.c b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
index bb0588844e..6582798dda 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strstr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
@@ -30,7 +30,7 @@ extern __typeof (strstr) __strstr_power7 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect_strstr, strstr,
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strstr_power7
 		       : __strstr_ppc);
 #endif
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
  2021-07-06 10:51 Anton Blanchard via Libc-alpha
@ 2021-07-06 15:05 ` Adhemerval Zanella via Libc-alpha
  2021-07-08 22:29 ` Tulio Magno Quites Machado Filho via Libc-alpha
  1 sibling, 0 replies; 12+ messages in thread
From: Adhemerval Zanella via Libc-alpha @ 2021-07-06 15:05 UTC (permalink / raw)
  To: Anton Blanchard, tuliom; +Cc: libc-alpha



On 06/07/2021 07:51, Anton Blanchard via Libc-alpha wrote:
> We use PPC_FEATURE_HAS_VSX to select a number of POWER7 optimised
> functions. These functions don't use any VSX instructions, so
> PPC_FEATURE_ARCH_2_06 seems like a better fit.

I think we should rename the symbols to something more meanifull as
well, like 'symbol_vsx'.  I take the idea is to support powerpc 
variants with ISA 2.06 that do not support VSX.

The patch looks good thanks and I assume you are testing on microwatt
(so you would see a failure is VSX is actually being used).

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
>  sysdeps/powerpc/powerpc64/multiarch/memchr.c       | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/memcmp.c       | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/memrchr.c      | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/memset.c       | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c    | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/stpncpy.c      | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c   | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strchr.c       | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strchrnul.c    | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strcmp.c       | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strlen.c       | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strncase.c     | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strncase_l.c   | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strncmp.c      | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strncpy.c      | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strnlen.c      | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strrchr.c      | 2 +-
>  sysdeps/powerpc/powerpc64/multiarch/strstr.c       | 2 +-
>  19 files changed, 19 insertions(+), 19 deletions(-)
> 
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memchr.c b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
> index 0c718d4f15..c24186689e 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/memchr.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
> @@ -30,7 +30,7 @@ extern __typeof (__memchr) __memchr_power8 attribute_hidden;
>  libc_ifunc (__memchr,
>  	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  	    ? __memchr_power8 :
> -	    (hwcap & PPC_FEATURE_HAS_VSX)
> +	    (hwcap & PPC_FEATURE_ARCH_2_06)
>              ? __memchr_power7
>              : __memchr_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
> index 4fd089aba7..99559bce26 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
> @@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp,
>  #endif
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __memcmp_power8 :
> -		       (hwcap & PPC_FEATURE_HAS_VSX)
> +		       (hwcap & PPC_FEATURE_ARCH_2_06)
>  		       ? __memcmp_power7
>  		       : (hwcap & PPC_FEATURE_POWER4)
>  			 ? __memcmp_power4
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
> index e06d6468b8..16bb6f0042 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
> @@ -30,7 +30,7 @@ extern __typeof (__memrchr) __memrchr_power8 attribute_hidden;
>  libc_ifunc (__memrchr,
>  	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  	    ? __memrchr_power8 :
> -	      (hwcap & PPC_FEATURE_HAS_VSX)
> +	      (hwcap & PPC_FEATURE_ARCH_2_06)
>  	      ? __memrchr_power7
>  	    : __memrchr_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/memset.c b/sysdeps/powerpc/powerpc64/multiarch/memset.c
> index 5994bf02e6..c1aa143f60 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/memset.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/memset.c
> @@ -48,7 +48,7 @@ libc_ifunc (__libc_memset,
>  # endif
>              (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>              ? __memset_power8 :
> -	      (hwcap & PPC_FEATURE_HAS_VSX)
> +	      (hwcap & PPC_FEATURE_ARCH_2_06)
>  	      ? __memset_power7 :
>  		(hwcap & PPC_FEATURE_ARCH_2_05)
>  		? __memset_power6 :
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
> index c0ffea2b93..b5d2d3a635 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
> @@ -41,7 +41,7 @@ libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr,
>  		       (hwcap2 & PPC_FEATURE2_ARCH_3_00)
>  		       ? __rawmemchr_power9 :
>  # endif
> -		         (hwcap & PPC_FEATURE_HAS_VSX)
> +		         (hwcap & PPC_FEATURE_ARCH_2_06)
>  		         ? __rawmemchr_power7
>  		       : __rawmemchr_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
> index bebd377fd9..e7035761a7 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
> @@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect___stpncpy, __stpncpy,
>  # endif
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __stpncpy_power8
> -		       : (hwcap & PPC_FEATURE_HAS_VSX)
> +		       : (hwcap & PPC_FEATURE_ARCH_2_06)
>  			 ? __stpncpy_power7
>  			 : __stpncpy_ppc);
>  weak_alias (__stpncpy, stpncpy)
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
> index dcd7774403..55ca6c85c4 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
> @@ -29,7 +29,7 @@ extern __typeof (__strcasecmp) __strcasecmp_power8 attribute_hidden;
>  libc_ifunc (__libc_strcasecmp,
>  	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>               ? __strcasecmp_power8:
> -	     (hwcap & PPC_FEATURE_HAS_VSX)
> +	     (hwcap & PPC_FEATURE_ARCH_2_06)
>               ? __strcasecmp_power7
>               : __strcasecmp_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
> index 96a70b8b11..1afee5d7fd 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
> @@ -32,7 +32,7 @@ extern __typeof (__strcasecmp_l) __strcasecmp_l_power7 attribute_hidden;
>  
>  extern __typeof (__strcasecmp_l) __libc_strcasecmp_l;
>  libc_ifunc (__libc_strcasecmp_l,
> -	    (hwcap & PPC_FEATURE_HAS_VSX)
> +	    (hwcap & PPC_FEATURE_ARCH_2_06)
>              ? __strcasecmp_l_power7
>              : __strcasecmp_l_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr.c b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
> index ea9ac1134f..27c794c6b7 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strchr.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
> @@ -35,7 +35,7 @@ extern __typeof (strchr) __strchr_power8 attribute_hidden;
>  libc_ifunc_redirected (__redirect_strchr, strchr,
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __strchr_power8 :
> -		       (hwcap & PPC_FEATURE_HAS_VSX)
> +		       (hwcap & PPC_FEATURE_ARCH_2_06)
>  		       ? __strchr_power7
>  		       : __strchr_ppc);
>  weak_alias (strchr, index)
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
> index 4688e7c3f0..4a07b4a242 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
> @@ -30,7 +30,7 @@ extern __typeof (__strchrnul) __strchrnul_power8 attribute_hidden;
>  libc_ifunc (__strchrnul,
>  	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  	    ? __strchrnul_power8 :
> -	    (hwcap & PPC_FEATURE_HAS_VSX)
> +	    (hwcap & PPC_FEATURE_ARCH_2_06)
>              ? __strchrnul_power7
>              : __strchrnul_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
> index 72f9a639bf..4b0b25fff6 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
> @@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect_strcmp, strcmp,
>  # endif
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __strcmp_power8
> -		       : (hwcap & PPC_FEATURE_HAS_VSX)
> +		       : (hwcap & PPC_FEATURE_ARCH_2_06)
>  			 ? __strcmp_power7
>  			 : __strcmp_ppc);
>  #endif
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strlen.c b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
> index 109c8a90bd..0cd1c6faff 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strlen.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
> @@ -42,7 +42,7 @@ libc_ifunc (__libc_strlen,
>  # endif
>  	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  	    ? __strlen_power8 :
> -	      (hwcap & PPC_FEATURE_HAS_VSX)
> +	      (hwcap & PPC_FEATURE_ARCH_2_06)
>  	      ? __strlen_power7
>  	      : __strlen_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase.c b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
> index 2013a5d75a..644046bd74 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strncase.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
> @@ -29,7 +29,7 @@ extern __typeof (__strncasecmp) __strncasecmp_power8 attribute_hidden;
>  libc_ifunc (__libc_strncasecmp,
>  	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>               ? __strncasecmp_power8:
> -	     (hwcap & PPC_FEATURE_HAS_VSX)
> +	     (hwcap & PPC_FEATURE_ARCH_2_06)
>               ? __strncasecmp_power7
>               : __strncasecmp_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
> index cad6da302d..d2d761af72 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
> @@ -34,7 +34,7 @@ extern __typeof (__strncasecmp_l) __strncasecmp_l_power7 attribute_hidden;
>     ifunc symbol properly.  */
>  extern __typeof (__strncasecmp_l) __libc_strncasecmp_l;
>  libc_ifunc (__libc_strncasecmp_l,
> -	     (hwcap & PPC_FEATURE_HAS_VSX)
> +	     (hwcap & PPC_FEATURE_ARCH_2_06)
>               ? __strncasecmp_l_power7
>               : __strncasecmp_l_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
> index eef524ddfb..1f689e5c05 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
> @@ -43,7 +43,7 @@ libc_ifunc_redirected (__redirect_strncmp, strncmp,
>  # endif
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __strncmp_power8
> -		       : (hwcap & PPC_FEATURE_HAS_VSX)
> +		       : (hwcap & PPC_FEATURE_ARCH_2_06)
>  			 ? __strncmp_power7
>  			 : (hwcap & PPC_FEATURE_POWER4)
>  			   ? __strncmp_power4
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
> index 7da9def358..d4d3463bd1 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
> @@ -43,7 +43,7 @@ libc_ifunc_redirected (__redirect_strncpy, strncpy,
>  # endif
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __strncpy_power8
> -		       : (hwcap & PPC_FEATURE_HAS_VSX)
> +		       : (hwcap & PPC_FEATURE_ARCH_2_06)
>  			 ? __strncpy_power7
>  			 : __strncpy_ppc);
>  
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
> index 264b7a752d..baf375a75a 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
> @@ -31,7 +31,7 @@ extern __typeof (__strnlen) __strnlen_power8 attribute_hidden;
>  libc_ifunc_redirected (__redirect___strnlen, __strnlen,
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __strnlen_power8 :
> -			 (hwcap & PPC_FEATURE_HAS_VSX)
> +			 (hwcap & PPC_FEATURE_ARCH_2_06)
>  			 ? __strnlen_power7
>  			 : __strnlen_ppc);
>  weak_alias (__strnlen, strnlen)
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
> index bb06b93d19..1c9eea1817 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
> @@ -33,7 +33,7 @@ extern __typeof (strrchr) __strrchr_power8 attribute_hidden;
>  libc_ifunc_redirected (__redirect_strrchr, strrchr,
>  		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
>  		       ? __strrchr_power8 :
> -		       (hwcap & PPC_FEATURE_HAS_VSX)
> +		       (hwcap & PPC_FEATURE_ARCH_2_06)
>  		       ? __strrchr_power7
>  		       : __strrchr_ppc);
>  weak_alias (strrchr, rindex)
> diff --git a/sysdeps/powerpc/powerpc64/multiarch/strstr.c b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
> index bb0588844e..6582798dda 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/strstr.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
> @@ -30,7 +30,7 @@ extern __typeof (strstr) __strstr_power7 attribute_hidden;
>  /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
>     ifunc symbol properly.  */
>  libc_ifunc_redirected (__redirect_strstr, strstr,
> -		       (hwcap & PPC_FEATURE_HAS_VSX)
> +		       (hwcap & PPC_FEATURE_ARCH_2_06)
>  		       ? __strstr_power7
>  		       : __strstr_ppc);
>  #endif
> 

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
  2021-07-06 10:51 Anton Blanchard via Libc-alpha
  2021-07-06 15:05 ` Adhemerval Zanella via Libc-alpha
@ 2021-07-08 22:29 ` Tulio Magno Quites Machado Filho via Libc-alpha
  2021-07-13 19:03   ` Adhemerval Zanella via Libc-alpha
  1 sibling, 1 reply; 12+ messages in thread
From: Tulio Magno Quites Machado Filho via Libc-alpha @ 2021-07-08 22:29 UTC (permalink / raw)
  To: Anton Blanchard; +Cc: libc-alpha

Anton Blanchard via Libc-alpha <libc-alpha@sourceware.org> writes:

> We use PPC_FEATURE_HAS_VSX to select a number of POWER7 optimised
> functions. These functions don't use any VSX instructions, so
> PPC_FEATURE_ARCH_2_06 seems like a better fit.

I don't think we can replace PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
because it would cause issues similar to the ones fixed in patch 3/3, i.e.
this function would run on a processor that implements the Power ISA 2.06
but does not implement Altivec.

So, if testing for PPC_FEATURE_ARCH_2_06 is important, I think it has to test
for:

    (hwcap & PPC_FEATURE_ARCH_2_06 && hwcap & PPC_FEATURE_HAS_ALTIVEC)

However, VSX was introduced by Power ISA 2.06. So, PPC_FEATURE_HAS_VSX
implies PPC_FEATURE_ARCH_2_06.  PPC_FEATURE_HAS_VSX also implies
PPC_FEATURE_HAS_ALTIVEC.
The change would only make a difference if a processor implements both Power
ISA 2.06 and Altivec, but does not implement VSX.

Am I missing anything?

Another important point is to keep the tests in the IFUNC resolvers in sync
with sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
Otherwise, glibc tests and benchtests may not execute correctly.

-- 
Tulio Magno

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
  2021-07-08 22:29 ` Tulio Magno Quites Machado Filho via Libc-alpha
@ 2021-07-13 19:03   ` Adhemerval Zanella via Libc-alpha
  2021-07-16 13:28     ` Tulio Magno Quites Machado Filho via Libc-alpha
  0 siblings, 1 reply; 12+ messages in thread
From: Adhemerval Zanella via Libc-alpha @ 2021-07-13 19:03 UTC (permalink / raw)
  To: Tulio Magno Quites Machado Filho, Anton Blanchard; +Cc: libc-alpha



On 08/07/2021 19:29, Tulio Magno Quites Machado Filho via Libc-alpha wrote:
> Anton Blanchard via Libc-alpha <libc-alpha@sourceware.org> writes:
> 
>> We use PPC_FEATURE_HAS_VSX to select a number of POWER7 optimised
>> functions. These functions don't use any VSX instructions, so
>> PPC_FEATURE_ARCH_2_06 seems like a better fit.
> 
> I don't think we can replace PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
> because it would cause issues similar to the ones fixed in patch 3/3, i.e.
> this function would run on a processor that implements the Power ISA 2.06
> but does not implement Altivec.
> 
> So, if testing for PPC_FEATURE_ARCH_2_06 is important, I think it has to test
> for:
> 
>     (hwcap & PPC_FEATURE_ARCH_2_06 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
> 
> However, VSX was introduced by Power ISA 2.06. So, PPC_FEATURE_HAS_VSX
> implies PPC_FEATURE_ARCH_2_06.  PPC_FEATURE_HAS_VSX also implies
> PPC_FEATURE_HAS_ALTIVEC.
> The change would only make a difference if a processor implements both Power
> ISA 2.06 and Altivec, but does not implement VSX.
> 
> Am I missing anything?

My understanding is the selection change done for this patch is to enable 
routines that do *not* use vectorized instructions (either VSX or altivec)
on a CPU that does have isa 2.06 (to use cmpb for instance).  That's why
I suggested that we should in fact rename them and also maybe move to
a different folder than 'power7' to something more meaningful (for instance
__memchr_isa206 or something).

The selection change above you suggested is not strictly required, it
would be for memcpy/memmove (if I recall correctly they only use altivec).

> 
> Another important point is to keep the tests in the IFUNC resolvers in sync
> with sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
> Otherwise, glibc tests and benchtests may not execute correctly.
> 

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
  2021-07-13 19:03   ` Adhemerval Zanella via Libc-alpha
@ 2021-07-16 13:28     ` Tulio Magno Quites Machado Filho via Libc-alpha
  2021-07-26 23:23       ` Anton Blanchard via Libc-alpha
  0 siblings, 1 reply; 12+ messages in thread
From: Tulio Magno Quites Machado Filho via Libc-alpha @ 2021-07-16 13:28 UTC (permalink / raw)
  To: Adhemerval Zanella, Anton Blanchard; +Cc: libc-alpha

Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org> writes:

> On 08/07/2021 19:29, Tulio Magno Quites Machado Filho via Libc-alpha wrote:
>> I don't think we can replace PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
>> because it would cause issues similar to the ones fixed in patch 3/3, i.e.
>> this function would run on a processor that implements the Power ISA 2.06
>> but does not implement Altivec.
>> 
>> So, if testing for PPC_FEATURE_ARCH_2_06 is important, I think it has to test
>> for:
>> 
>>     (hwcap & PPC_FEATURE_ARCH_2_06 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
>> 
>> However, VSX was introduced by Power ISA 2.06. So, PPC_FEATURE_HAS_VSX
>> implies PPC_FEATURE_ARCH_2_06.  PPC_FEATURE_HAS_VSX also implies
>> PPC_FEATURE_HAS_ALTIVEC.
>> The change would only make a difference if a processor implements both Power
>> ISA 2.06 and Altivec, but does not implement VSX.
>> 
>> Am I missing anything?
>
> My understanding is the selection change done for this patch is to enable 
> routines that do *not* use vectorized instructions (either VSX or altivec)
> on a CPU that does have isa 2.06 (to use cmpb for instance).

Yes. My previous comment would only make sense for functions using Altivec,
but these functions are not.  I'm sorry.

> That's why
> I suggested that we should in fact rename them and also maybe move to
> a different folder than 'power7' to something more meaningful (for instance
> __memchr_isa206 or something).

I don't have a strong opinion on this.  LGTM either way.

>> Another important point is to keep the tests in the IFUNC resolvers in sync
>> with sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
>> Otherwise, glibc tests and benchtests may not execute correctly.

Heads up this paragraph is still valid.

-- 
Tulio Magno

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
  2021-07-16 13:28     ` Tulio Magno Quites Machado Filho via Libc-alpha
@ 2021-07-26 23:23       ` Anton Blanchard via Libc-alpha
  0 siblings, 0 replies; 12+ messages in thread
From: Anton Blanchard via Libc-alpha @ 2021-07-26 23:23 UTC (permalink / raw)
  To: Tulio Magno Quites Machado Filho, Adhemerval Zanella; +Cc: libc-alpha

Hi,

> >> Another important point is to keep the tests in the IFUNC
> >> resolvers in sync with
> >> sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c Otherwise,
> >> glibc tests and benchtests may not execute correctly.  
> 
> Heads up this paragraph is still valid.

Oops, thanks Adhemerval and Tulio for pointing this out. Will fix and
resubmit.

Thanks,
Anton

^ permalink raw reply	[flat|nested] 12+ messages in thread

* [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
@ 2021-07-27  5:47 Anton Blanchard via Libc-alpha
  2021-07-27  5:47 ` [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines Anton Blanchard via Libc-alpha
                   ` (2 more replies)
  0 siblings, 3 replies; 12+ messages in thread
From: Anton Blanchard via Libc-alpha @ 2021-07-27  5:47 UTC (permalink / raw)
  To: tuliom, adhemerval.zanella; +Cc: libc-alpha

We use PPC_FEATURE_HAS_VSX to select a number of POWER7 optimised
functions. These functions don't use any VSX instructions, so
PPC_FEATURE_ARCH_2_06 seems like a better fit.
---
 .../powerpc64/multiarch/ifunc-impl-list.c     | 38 +++++++++----------
 sysdeps/powerpc/powerpc64/multiarch/memchr.c  |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/memcmp.c  |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/memrchr.c |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/memset.c  |  2 +-
 .../powerpc/powerpc64/multiarch/rawmemchr.c   |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/stpncpy.c |  2 +-
 .../powerpc/powerpc64/multiarch/strcasecmp.c  |  2 +-
 .../powerpc64/multiarch/strcasecmp_l.c        |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strchr.c  |  2 +-
 .../powerpc/powerpc64/multiarch/strchrnul.c   |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strcmp.c  |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strlen.c  |  2 +-
 .../powerpc/powerpc64/multiarch/strncase.c    |  2 +-
 .../powerpc/powerpc64/multiarch/strncase_l.c  |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strncmp.c |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strncpy.c |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strnlen.c |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strrchr.c |  2 +-
 sysdeps/powerpc/powerpc64/multiarch/strstr.c  |  2 +-
 20 files changed, 38 insertions(+), 38 deletions(-)

diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index 0acdf22ba3..32564c8f1f 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -95,7 +95,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 #endif
 	      IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __memset_power8)
-	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __memset_power7)
 	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
 			      __memset_power6)
@@ -139,7 +139,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 #endif
 	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strlen_power8)
-	      IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strlen_power7)
 	      IFUNC_IMPL_ADD (array, i, strlen, 1,
 			      __strlen_ppc))
@@ -152,7 +152,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 #endif
 	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strncmp_power8)
-	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strncmp_power7)
 	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4,
 			      __strncmp_power4)
@@ -165,7 +165,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strchr_power8)
 	      IFUNC_IMPL_ADD (array, i, strchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strchr_power7)
 	      IFUNC_IMPL_ADD (array, i, strchr, 1,
 			      __strchr_ppc))
@@ -176,7 +176,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strchrnul_power8)
 	      IFUNC_IMPL_ADD (array, i, strchrnul,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strchrnul_power7)
 	      IFUNC_IMPL_ADD (array, i, strchrnul, 1,
 			      __strchrnul_ppc))
@@ -192,7 +192,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 #endif
 	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __memcmp_power8)
-	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __memcmp_power7)
 	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_POWER4,
 			      __memcmp_power4)
@@ -244,7 +244,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __memchr_power8)
 	      IFUNC_IMPL_ADD (array, i, memchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __memchr_power7)
 	      IFUNC_IMPL_ADD (array, i, memchr, 1,
 			      __memchr_ppc))
@@ -255,7 +255,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __memrchr_power8)
 	      IFUNC_IMPL_ADD (array, i, memrchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __memrchr_power7)
 	      IFUNC_IMPL_ADD (array, i, memrchr, 1,
 			      __memrchr_ppc))
@@ -272,7 +272,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      __rawmemchr_power9)
 #endif
 	      IFUNC_IMPL_ADD (array, i, rawmemchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __rawmemchr_power7)
 	      IFUNC_IMPL_ADD (array, i, rawmemchr, 1,
 			      __rawmemchr_ppc))
@@ -282,7 +282,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 	      IFUNC_IMPL_ADD (array, i, strnlen,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strnlen_power8)
-	      IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strnlen_power7)
 	      IFUNC_IMPL_ADD (array, i, strnlen, 1,
 			      __strnlen_ppc))
@@ -293,14 +293,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strcasecmp_power8)
 	      IFUNC_IMPL_ADD (array, i, strcasecmp,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strcasecmp_power7)
 	      IFUNC_IMPL_ADD (array, i, strcasecmp, 1, __strcasecmp_ppc))
 
   /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c.  */
   IFUNC_IMPL (i, name, strcasecmp_l,
 	      IFUNC_IMPL_ADD (array, i, strcasecmp_l,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strcasecmp_l_power7)
 	      IFUNC_IMPL_ADD (array, i, strcasecmp_l, 1,
 			      __strcasecmp_l_ppc))
@@ -311,14 +311,14 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strncasecmp_power8)
 	      IFUNC_IMPL_ADD (array, i, strncasecmp,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strncasecmp_power7)
 	      IFUNC_IMPL_ADD (array, i, strncasecmp, 1, __strncasecmp_ppc))
 
   /* Support sysdeps/powerpc/powerpc64/multiarch/strncase_l.c.  */
   IFUNC_IMPL (i, name, strncasecmp_l,
 	      IFUNC_IMPL_ADD (array, i, strncasecmp_l,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strncasecmp_l_power7)
 	      IFUNC_IMPL_ADD (array, i, strncasecmp_l, 1,
 			      __strncasecmp_l_ppc))
@@ -329,7 +329,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strrchr_power8)
 	      IFUNC_IMPL_ADD (array, i, strrchr,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strrchr_power7)
 	      IFUNC_IMPL_ADD (array, i, strrchr, 1,
 			      __strrchr_ppc))
@@ -357,7 +357,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strncpy_power8)
 	      IFUNC_IMPL_ADD (array, i, strncpy,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strncpy_power7)
 	      IFUNC_IMPL_ADD (array, i, strncpy, 1,
 			     __strncpy_ppc))
@@ -374,7 +374,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __stpncpy_power8)
 	      IFUNC_IMPL_ADD (array, i, stpncpy,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __stpncpy_power7)
 	      IFUNC_IMPL_ADD (array, i, stpncpy, 1,
 			     __stpncpy_ppc))
@@ -390,7 +390,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
 			      __strcmp_power8)
 	      IFUNC_IMPL_ADD (array, i, strcmp,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strcmp_power7)
 	      IFUNC_IMPL_ADD (array, i, strcmp, 1,
 			     __strcmp_ppc))
@@ -425,7 +425,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strstr.c.  */
   IFUNC_IMPL (i, name, strstr,
              IFUNC_IMPL_ADD (array, i, strstr,
-                             hwcap & PPC_FEATURE_HAS_VSX,
+                             hwcap & PPC_FEATURE_ARCH_2_06,
                              __strstr_power7)
              IFUNC_IMPL_ADD (array, i, strstr, 1,
                              __strstr_ppc))
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memchr.c b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
index 0c718d4f15..c24186689e 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
@@ -30,7 +30,7 @@ extern __typeof (__memchr) __memchr_power8 attribute_hidden;
 libc_ifunc (__memchr,
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __memchr_power8 :
-	    (hwcap & PPC_FEATURE_HAS_VSX)
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __memchr_power7
             : __memchr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
index 4fd089aba7..99559bce26 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
@@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp,
 #endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __memcmp_power8 :
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __memcmp_power7
 		       : (hwcap & PPC_FEATURE_POWER4)
 			 ? __memcmp_power4
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
index e06d6468b8..16bb6f0042 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
@@ -30,7 +30,7 @@ extern __typeof (__memrchr) __memrchr_power8 attribute_hidden;
 libc_ifunc (__memrchr,
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __memrchr_power8 :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __memrchr_power7
 	    : __memrchr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memset.c b/sysdeps/powerpc/powerpc64/multiarch/memset.c
index 5994bf02e6..c1aa143f60 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memset.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memset.c
@@ -48,7 +48,7 @@ libc_ifunc (__libc_memset,
 # endif
             (hwcap2 & PPC_FEATURE2_ARCH_2_07)
             ? __memset_power8 :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __memset_power7 :
 		(hwcap & PPC_FEATURE_ARCH_2_05)
 		? __memset_power6 :
diff --git a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
index c0ffea2b93..b5d2d3a635 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
@@ -41,7 +41,7 @@ libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr,
 		       (hwcap2 & PPC_FEATURE2_ARCH_3_00)
 		       ? __rawmemchr_power9 :
 # endif
-		         (hwcap & PPC_FEATURE_HAS_VSX)
+		         (hwcap & PPC_FEATURE_ARCH_2_06)
 		         ? __rawmemchr_power7
 		       : __rawmemchr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
index bebd377fd9..e7035761a7 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/stpncpy.c
@@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect___stpncpy, __stpncpy,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __stpncpy_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __stpncpy_power7
 			 : __stpncpy_ppc);
 weak_alias (__stpncpy, stpncpy)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
index dcd7774403..55ca6c85c4 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
@@ -29,7 +29,7 @@ extern __typeof (__strcasecmp) __strcasecmp_power8 attribute_hidden;
 libc_ifunc (__libc_strcasecmp,
 	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
              ? __strcasecmp_power8:
-	     (hwcap & PPC_FEATURE_HAS_VSX)
+	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strcasecmp_power7
              : __strcasecmp_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
index 96a70b8b11..1afee5d7fd 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp_l.c
@@ -32,7 +32,7 @@ extern __typeof (__strcasecmp_l) __strcasecmp_l_power7 attribute_hidden;
 
 extern __typeof (__strcasecmp_l) __libc_strcasecmp_l;
 libc_ifunc (__libc_strcasecmp_l,
-	    (hwcap & PPC_FEATURE_HAS_VSX)
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __strcasecmp_l_power7
             : __strcasecmp_l_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr.c b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
index ea9ac1134f..27c794c6b7 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
@@ -35,7 +35,7 @@ extern __typeof (strchr) __strchr_power8 attribute_hidden;
 libc_ifunc_redirected (__redirect_strchr, strchr,
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strchr_power8 :
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strchr_power7
 		       : __strchr_ppc);
 weak_alias (strchr, index)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
index 4688e7c3f0..4a07b4a242 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
@@ -30,7 +30,7 @@ extern __typeof (__strchrnul) __strchrnul_power8 attribute_hidden;
 libc_ifunc (__strchrnul,
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __strchrnul_power8 :
-	    (hwcap & PPC_FEATURE_HAS_VSX)
+	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __strchrnul_power7
             : __strchrnul_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
index 72f9a639bf..4b0b25fff6 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
@@ -40,7 +40,7 @@ libc_ifunc_redirected (__redirect_strcmp, strcmp,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strcmp_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strcmp_power7
 			 : __strcmp_ppc);
 #endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strlen.c b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
index 109c8a90bd..0cd1c6faff 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strlen.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
@@ -42,7 +42,7 @@ libc_ifunc (__libc_strlen,
 # endif
 	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 	    ? __strlen_power8 :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __strlen_power7
 	      : __strlen_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase.c b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
index 2013a5d75a..644046bd74 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncase.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
@@ -29,7 +29,7 @@ extern __typeof (__strncasecmp) __strncasecmp_power8 attribute_hidden;
 libc_ifunc (__libc_strncasecmp,
 	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
              ? __strncasecmp_power8:
-	     (hwcap & PPC_FEATURE_HAS_VSX)
+	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strncasecmp_power7
              : __strncasecmp_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
index cad6da302d..d2d761af72 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase_l.c
@@ -34,7 +34,7 @@ extern __typeof (__strncasecmp_l) __strncasecmp_l_power7 attribute_hidden;
    ifunc symbol properly.  */
 extern __typeof (__strncasecmp_l) __libc_strncasecmp_l;
 libc_ifunc (__libc_strncasecmp_l,
-	     (hwcap & PPC_FEATURE_HAS_VSX)
+	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strncasecmp_l_power7
              : __strncasecmp_l_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
index eef524ddfb..1f689e5c05 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
@@ -43,7 +43,7 @@ libc_ifunc_redirected (__redirect_strncmp, strncmp,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strncmp_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strncmp_power7
 			 : (hwcap & PPC_FEATURE_POWER4)
 			   ? __strncmp_power4
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
index 7da9def358..d4d3463bd1 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncpy.c
@@ -43,7 +43,7 @@ libc_ifunc_redirected (__redirect_strncpy, strncpy,
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strncpy_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strncpy_power7
 			 : __strncpy_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
index 264b7a752d..baf375a75a 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
@@ -31,7 +31,7 @@ extern __typeof (__strnlen) __strnlen_power8 attribute_hidden;
 libc_ifunc_redirected (__redirect___strnlen, __strnlen,
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strnlen_power8 :
-			 (hwcap & PPC_FEATURE_HAS_VSX)
+			 (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strnlen_power7
 			 : __strnlen_ppc);
 weak_alias (__strnlen, strnlen)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
index bb06b93d19..1c9eea1817 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
@@ -33,7 +33,7 @@ extern __typeof (strrchr) __strrchr_power8 attribute_hidden;
 libc_ifunc_redirected (__redirect_strrchr, strrchr,
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
 		       ? __strrchr_power8 :
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strrchr_power7
 		       : __strrchr_ppc);
 weak_alias (strrchr, rindex)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strstr.c b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
index bb0588844e..6582798dda 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strstr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strstr.c
@@ -30,7 +30,7 @@ extern __typeof (strstr) __strstr_power7 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect_strstr, strstr,
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strstr_power7
 		       : __strstr_ppc);
 #endif
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines
  2021-07-27  5:47 [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Anton Blanchard via Libc-alpha
@ 2021-07-27  5:47 ` Anton Blanchard via Libc-alpha
  2021-08-06 19:50   ` Tulio Magno Quites Machado Filho via Libc-alpha
  2021-07-27  5:47 ` [PATCH 3/3] powerpc64: Add checks for Altivec and VSX in ifunc selection Anton Blanchard via Libc-alpha
  2021-08-06 19:48 ` [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Tulio Magno Quites Machado Filho via Libc-alpha
  2 siblings, 1 reply; 12+ messages in thread
From: Anton Blanchard via Libc-alpha @ 2021-07-27  5:47 UTC (permalink / raw)
  To: tuliom, adhemerval.zanella; +Cc: libc-alpha

A number of optimised memset routines assume the cacheline size is 128B,
so we better check before using them.
---
 .../powerpc64/multiarch/ifunc-impl-list.c      | 18 +++++++++++++-----
 sysdeps/powerpc/powerpc64/multiarch/memset.c   | 15 ++++++++++-----
 2 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index 32564c8f1f..a3fdcd43bd 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -35,6 +35,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 
   unsigned long int hwcap = GLRO(dl_hwcap);
   unsigned long int hwcap2 = GLRO(dl_hwcap2);
+#ifdef SHARED
+  int cacheline_size = GLRO(dl_cache_line_size);
+#endif
 
   /* hwcap contains only the latest supported ISA, the code checks which is
      and fills the previous supported ones.  */
@@ -90,16 +93,21 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 	      IFUNC_IMPL_ADD (array, i, memset,
 			      hwcap2 & PPC_FEATURE2_ARCH_3_1
 			      && hwcap2 & PPC_FEATURE2_HAS_ISEL
-			      && hwcap & PPC_FEATURE_HAS_VSX,
+			      && hwcap & PPC_FEATURE_HAS_VSX
+			      && cacheline_size == 128,
 			      __memset_power10)
 #endif
-	      IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && cacheline_size == 128,
 			      __memset_power8)
-	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_06,
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_06
+			      && cacheline_size == 128,
 			      __memset_power7)
-	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05
+			      && cacheline_size == 128,
 			      __memset_power6)
-	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4,
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_POWER4
+			      && cacheline_size == 128,
 			      __memset_power4)
 	      IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memset.c b/sysdeps/powerpc/powerpc64/multiarch/memset.c
index c1aa143f60..056e911699 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memset.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memset.c
@@ -43,16 +43,21 @@ libc_ifunc (__libc_memset,
 # ifdef __LITTLE_ENDIAN__
 	    (hwcap2 & PPC_FEATURE2_ARCH_3_1
 	     && hwcap2 & PPC_FEATURE2_HAS_ISEL
-	     && hwcap & PPC_FEATURE_HAS_VSX)
+	     && hwcap & PPC_FEATURE_HAS_VSX
+	     && GLRO(dl_cache_line_size) == 128)
 	    ? __memset_power10 :
 # endif
-            (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+            (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && GLRO(dl_cache_line_size) == 128)
             ? __memset_power8 :
-	      (hwcap & PPC_FEATURE_ARCH_2_06)
+	      (hwcap & PPC_FEATURE_ARCH_2_06
+	       && GLRO(dl_cache_line_size) == 128)
 	      ? __memset_power7 :
-		(hwcap & PPC_FEATURE_ARCH_2_05)
+		(hwcap & PPC_FEATURE_ARCH_2_05
+	         && GLRO(dl_cache_line_size) == 128)
 		? __memset_power6 :
-		  (hwcap & PPC_FEATURE_POWER4)
+		  (hwcap & PPC_FEATURE_POWER4
+	           && GLRO(dl_cache_line_size) == 128)
 		  ? __memset_power4
             : __memset_ppc);
 
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* [PATCH 3/3] powerpc64: Add checks for Altivec and VSX in ifunc selection
  2021-07-27  5:47 [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Anton Blanchard via Libc-alpha
  2021-07-27  5:47 ` [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines Anton Blanchard via Libc-alpha
@ 2021-07-27  5:47 ` Anton Blanchard via Libc-alpha
  2021-08-06 19:50   ` Tulio Magno Quites Machado Filho via Libc-alpha
  2021-08-06 19:48 ` [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Tulio Magno Quites Machado Filho via Libc-alpha
  2 siblings, 1 reply; 12+ messages in thread
From: Anton Blanchard via Libc-alpha @ 2021-07-27  5:47 UTC (permalink / raw)
  To: tuliom, adhemerval.zanella; +Cc: libc-alpha

We'd like to support processors without Altivec or VSX, so check
the relevant hwcap bits before selecting them.
---
 sysdeps/powerpc/powerpc64/multiarch/bzero.c   |   6 +-
 .../powerpc64/multiarch/ifunc-impl-list.c     | 103 ++++++++++++------
 sysdeps/powerpc/powerpc64/multiarch/memchr.c  |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/memcmp.c  |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/memcpy.c  |   7 +-
 sysdeps/powerpc/powerpc64/multiarch/memmove.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/mempcpy.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/memrchr.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/memset.c  |   1 +
 .../powerpc/powerpc64/multiarch/rawmemchr.c   |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/stpcpy.c  |   9 +-
 .../powerpc/powerpc64/multiarch/strcasecmp.c  |   3 +-
 .../powerpc/powerpc64/multiarch/strcasestr.c  |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strcat.c  |   6 +-
 sysdeps/powerpc/powerpc64/multiarch/strchr.c  |   3 +-
 .../powerpc/powerpc64/multiarch/strchrnul.c   |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strcmp.c  |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strcpy.c  |   9 +-
 sysdeps/powerpc/powerpc64/multiarch/strcspn.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strlen.c  |   9 +-
 .../powerpc/powerpc64/multiarch/strncase.c    |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strncat.c |   6 +-
 sysdeps/powerpc/powerpc64/multiarch/strncmp.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strnlen.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strrchr.c |   3 +-
 sysdeps/powerpc/powerpc64/multiarch/strspn.c  |   3 +-
 26 files changed, 139 insertions(+), 68 deletions(-)

diff --git a/sysdeps/powerpc/powerpc64/multiarch/bzero.c b/sysdeps/powerpc/powerpc64/multiarch/bzero.c
index 660d7dc686..6275305b46 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/bzero.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/bzero.c
@@ -38,11 +38,13 @@ libc_ifunc (__bzero,
 	     && hwcap & PPC_FEATURE_HAS_VSX)
 	    ? __bzero_power10 :
 # endif
-            (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+            (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC)
             ? __bzero_power8 :
 	      (hwcap & PPC_FEATURE_HAS_VSX)
 	      ? __bzero_power7 :
-		(hwcap & PPC_FEATURE_ARCH_2_05)
+		(hwcap & PPC_FEATURE_ARCH_2_05
+		 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		? __bzero_power6 :
 		  (hwcap & PPC_FEATURE_POWER4)
 		  ? __bzero_power4
diff --git a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
index a3fdcd43bd..c3e25c5981 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
@@ -60,9 +60,11 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __memcpy_power10)
 #endif
-	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __memcpy_power8_cached)
-	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __memcpy_power7)
 	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __memcpy_a2)
@@ -83,7 +85,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __memmove_power10)
 #endif
-	      IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, memmove, hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __memmove_power7)
 	      IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_ppc))
 
@@ -98,6 +101,7 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      __memset_power10)
 #endif
 	      IFUNC_IMPL_ADD (array, i, memset, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC
 			      && cacheline_size == 128,
 			      __memset_power8)
 	      IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_06
@@ -114,12 +118,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strcpy.c.  */
   IFUNC_IMPL (i, name, strcpy,
 #ifdef __LITTLE_ENDIAN__
-	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
+	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strcpy_power9)
 #endif
-	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strcpy_power8)
-	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, strcpy, hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strcpy_power7)
 	      IFUNC_IMPL_ADD (array, i, strcpy, 1,
 			      __strcpy_ppc))
@@ -127,12 +134,15 @@ __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, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00,
+	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_3_00
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __stpcpy_power9)
 #endif
-	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __stpcpy_power8)
-	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_HAS_VSX,
+	      IFUNC_IMPL_ADD (array, i, stpcpy, hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __stpcpy_power7)
 	      IFUNC_IMPL_ADD (array, i, stpcpy, 1,
 			      __stpcpy_ppc))
@@ -140,12 +150,15 @@ __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, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_1,
+	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_1
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strlen_power10)
-	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00,
+	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_3_00
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strlen_power9)
 #endif
-	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, strlen, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strlen_power8)
 	      IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strlen_power7)
@@ -155,7 +168,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strncmp.c.  */
   IFUNC_IMPL (i, name, strncmp,
 #ifdef __LITTLE_ENDIAN__
-	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00,
+	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_3_00
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strncmp_power9)
 #endif
 	      IFUNC_IMPL_ADD (array, i, strncmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
@@ -170,7 +184,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strchr.c.  */
   IFUNC_IMPL (i, name, strchr,
 	      IFUNC_IMPL_ADD (array, i, strchr,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strchr_power8)
 	      IFUNC_IMPL_ADD (array, i, strchr,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -181,7 +196,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strchrnul.c.  */
   IFUNC_IMPL (i, name, strchrnul,
 	      IFUNC_IMPL_ADD (array, i, strchrnul,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strchrnul_power8)
 	      IFUNC_IMPL_ADD (array, i, strchrnul,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -198,7 +214,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
             && hwcap & PPC_FEATURE_HAS_VSX,
 			      __memcmp_power10)
 #endif
-	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __memcmp_power8)
 	      IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __memcmp_power7)
@@ -215,11 +232,13 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
 			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __bzero_power10)
 #endif
-	      IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07,
+	      IFUNC_IMPL_ADD (array, i, bzero, hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __bzero_power8)
 	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
 			      __bzero_power7)
-	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
+	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __bzero_power6)
 	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_POWER4,
 			      __bzero_power4)
@@ -241,7 +260,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/mempcpy.c.  */
   IFUNC_IMPL (i, name, mempcpy,
 	      IFUNC_IMPL_ADD (array, i, mempcpy,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __mempcpy_power7)
 	      IFUNC_IMPL_ADD (array, i, mempcpy, 1,
 			      __mempcpy_ppc))
@@ -249,7 +269,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/memchr.c.  */
   IFUNC_IMPL (i, name, memchr,
 	      IFUNC_IMPL_ADD (array, i, memchr,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __memchr_power8)
 	      IFUNC_IMPL_ADD (array, i, memchr,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -260,7 +281,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/memrchr.c.  */
   IFUNC_IMPL (i, name, memrchr,
 	      IFUNC_IMPL_ADD (array, i, memrchr,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __memrchr_power8)
 	      IFUNC_IMPL_ADD (array, i, memrchr,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -276,7 +298,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
                               && (hwcap & PPC_FEATURE_HAS_VSX),
                               __rawmemchr_power10)
 	      IFUNC_IMPL_ADD (array, i, rawmemchr,
-			      hwcap2 & PPC_FEATURE2_ARCH_3_00,
+			      hwcap2 & PPC_FEATURE2_ARCH_3_00
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __rawmemchr_power9)
 #endif
 	      IFUNC_IMPL_ADD (array, i, rawmemchr,
@@ -288,7 +311,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strnlen.c.  */
   IFUNC_IMPL (i, name, strnlen,
 	      IFUNC_IMPL_ADD (array, i, strnlen,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strnlen_power8)
 	      IFUNC_IMPL_ADD (array, i, strnlen, hwcap & PPC_FEATURE_ARCH_2_06,
 			      __strnlen_power7)
@@ -298,7 +322,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c.  */
   IFUNC_IMPL (i, name, strcasecmp,
 	      IFUNC_IMPL_ADD (array, i, strcasecmp,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strcasecmp_power8)
 	      IFUNC_IMPL_ADD (array, i, strcasecmp,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -316,7 +341,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strncase.c.  */
   IFUNC_IMPL (i, name, strncasecmp,
 	      IFUNC_IMPL_ADD (array, i, strncasecmp,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			       && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strncasecmp_power8)
 	      IFUNC_IMPL_ADD (array, i, strncasecmp,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -334,7 +360,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strrchr.c.  */
   IFUNC_IMPL (i, name, strrchr,
 	      IFUNC_IMPL_ADD (array, i, strrchr,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strrchr_power8)
 	      IFUNC_IMPL_ADD (array, i, strrchr,
 			      hwcap & PPC_FEATURE_ARCH_2_06,
@@ -345,10 +372,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strncat.c.  */
   IFUNC_IMPL (i, name, strncat,
 	      IFUNC_IMPL_ADD (array, i, strncat,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strncat_power8)
 	      IFUNC_IMPL_ADD (array, i, strncat,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strncat_power7)
 	      IFUNC_IMPL_ADD (array, i, strncat, 1,
 			      __strncat_ppc))
@@ -391,7 +420,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   IFUNC_IMPL (i, name, strcmp,
 #ifdef __LITTLE_ENDIAN__
 	      IFUNC_IMPL_ADD (array, i, strcmp,
-			      hwcap2 & PPC_FEATURE2_ARCH_3_00,
+			      hwcap2 & PPC_FEATURE2_ARCH_3_00
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strcmp_power9)
 #endif
 	      IFUNC_IMPL_ADD (array, i, strcmp,
@@ -406,10 +436,12 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strcat.c.  */
   IFUNC_IMPL (i, name, strcat,
 	      IFUNC_IMPL_ADD (array, i, strcat,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strcat_power8)
 	      IFUNC_IMPL_ADD (array, i, strcat,
-			      hwcap & PPC_FEATURE_HAS_VSX,
+			      hwcap & PPC_FEATURE_ARCH_2_06
+			      && hwcap & PPC_FEATURE_HAS_VSX,
 			      __strcat_power7)
 	      IFUNC_IMPL_ADD (array, i, strcat, 1,
 			     __strcat_ppc))
@@ -417,7 +449,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strspn.c.  */
   IFUNC_IMPL (i, name, strspn,
              IFUNC_IMPL_ADD (array, i, strspn,
-                             hwcap2 & PPC_FEATURE2_ARCH_2_07,
+                             hwcap2 & PPC_FEATURE2_ARCH_2_07
+                             && hwcap & PPC_FEATURE_HAS_VSX,
                              __strspn_power8)
              IFUNC_IMPL_ADD (array, i, strspn, 1,
                              __strspn_ppc))
@@ -425,7 +458,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strcspn.c.  */
   IFUNC_IMPL (i, name, strcspn,
              IFUNC_IMPL_ADD (array, i, strcspn,
-                             hwcap2 & PPC_FEATURE2_ARCH_2_07,
+                             hwcap2 & PPC_FEATURE2_ARCH_2_07
+                             && hwcap & PPC_FEATURE_HAS_VSX,
                              __strcspn_power8)
              IFUNC_IMPL_ADD (array, i, strcspn, 1,
                              __strcspn_ppc))
@@ -442,7 +476,8 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
   /* Support sysdeps/powerpc/powerpc64/multiarch/strcasestr.c.  */
   IFUNC_IMPL (i, name, strcasestr,
 	      IFUNC_IMPL_ADD (array, i, strcasestr,
-			      hwcap2 & PPC_FEATURE2_ARCH_2_07,
+			      hwcap2 & PPC_FEATURE2_ARCH_2_07
+			      && hwcap & PPC_FEATURE_HAS_ALTIVEC,
 			      __strcasestr_power8)
              IFUNC_IMPL_ADD (array, i, strcasestr, 1,
                              __strcasestr_ppc))
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memchr.c b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
index c24186689e..f40013e061 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memchr.c
@@ -28,7 +28,8 @@ extern __typeof (__memchr) __memchr_power8 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc (__memchr,
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 	    ? __memchr_power8 :
 	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __memchr_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
index 99559bce26..89b56c103b 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memcmp.c
@@ -38,7 +38,8 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp,
 				 && hwcap & PPC_FEATURE_HAS_VSX)
 				 ? __memcmp_power10 :
 #endif
-		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
+			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		       ? __memcmp_power8 :
 		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __memcmp_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memcpy.c b/sysdeps/powerpc/powerpc64/multiarch/memcpy.c
index 53ab32ef26..684ee064f2 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memcpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memcpy.c
@@ -45,9 +45,12 @@ libc_ifunc (__libc_memcpy,
 	    (hwcap2 & PPC_FEATURE2_ARCH_3_1 && hwcap & PPC_FEATURE_HAS_VSX)
 	    ? __memcpy_power10 :
 # endif
-	    ((hwcap2 & PPC_FEATURE2_ARCH_2_07) && use_cached_memopt)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC
+	     && use_cached_memopt)
 	    ? __memcpy_power8_cached :
-	      (hwcap & PPC_FEATURE_HAS_VSX)
+	      (hwcap & PPC_FEATURE_ARCH_2_06
+	       && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 	      ? __memcpy_power7 :
 		(hwcap & PPC_FEATURE_ARCH_2_06)
 		? __memcpy_a2 :
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memmove.c b/sysdeps/powerpc/powerpc64/multiarch/memmove.c
index 637b2cbf7f..50253b4554 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memmove.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memmove.c
@@ -41,7 +41,8 @@ libc_ifunc (__libc_memmove,
 	     && hwcap & PPC_FEATURE_HAS_VSX)
 	    ? __memmove_power10 :
 #endif
-		     (hwcap & PPC_FEATURE_HAS_VSX)
+		     (hwcap & PPC_FEATURE_ARCH_2_06
+		      && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		     ? __memmove_power7
 		     : __memmove_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c b/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
index b37e0f35b5..563095a5ec 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/mempcpy.c
@@ -33,7 +33,8 @@ extern __typeof (__mempcpy) __mempcpy_power7 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect___mempcpy, __mempcpy,
-		       (hwcap & PPC_FEATURE_HAS_VSX)
+		       (hwcap & PPC_FEATURE_ARCH_2_06
+			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		       ? __mempcpy_power7
 		       : __mempcpy_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
index 16bb6f0042..a8b985b06a 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memrchr.c
@@ -28,7 +28,8 @@ extern __typeof (__memrchr) __memrchr_power8 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc (__memrchr,
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 	    ? __memrchr_power8 :
 	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __memrchr_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/memset.c b/sysdeps/powerpc/powerpc64/multiarch/memset.c
index 056e911699..a2bc223bcc 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/memset.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/memset.c
@@ -48,6 +48,7 @@ libc_ifunc (__libc_memset,
 	    ? __memset_power10 :
 # endif
             (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC
 	     && GLRO(dl_cache_line_size) == 128)
             ? __memset_power8 :
 	      (hwcap & PPC_FEATURE_ARCH_2_06
diff --git a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
index b5d2d3a635..43eb459e02 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/rawmemchr.c
@@ -38,7 +38,8 @@ libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr,
 		     (hwcap2 & PPC_FEATURE2_ARCH_3_1)
 		     && (hwcap & PPC_FEATURE_HAS_VSX)
 		     ? __rawmemchr_power10 :
-		       (hwcap2 & PPC_FEATURE2_ARCH_3_00)
+		       (hwcap2 & PPC_FEATURE2_ARCH_3_00
+			&& hwcap & PPC_FEATURE_HAS_VSX)
 		       ? __rawmemchr_power9 :
 # endif
 		         (hwcap & PPC_FEATURE_ARCH_2_06)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c b/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
index d4eb4285fc..5be413405e 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/stpcpy.c
@@ -32,12 +32,15 @@ extern __typeof (__stpcpy) __stpcpy_power9 attribute_hidden;
 
 libc_ifunc_hidden (__stpcpy, __stpcpy,
 # ifdef __LITTLE_ENDIAN__
-		   (hwcap2 & PPC_FEATURE2_ARCH_3_00)
+		   (hwcap2 & PPC_FEATURE2_ARCH_3_00
+		    && hwcap & PPC_FEATURE_HAS_VSX)
 		   ? __stpcpy_power9 :
 # endif
-		     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		     (hwcap2 & PPC_FEATURE2_ARCH_2_07
+		      && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		     ? __stpcpy_power8
-		     : (hwcap & PPC_FEATURE_HAS_VSX)
+		     : (hwcap & PPC_FEATURE_ARCH_2_06
+		        && hwcap & PPC_FEATURE_HAS_VSX)
 		       ? __stpcpy_power7
 		       : __stpcpy_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
index 55ca6c85c4..21ce2d279b 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcasecmp.c
@@ -27,7 +27,8 @@ extern __typeof (__strcasecmp) __strcasecmp_power7 attribute_hidden;
 extern __typeof (__strcasecmp) __strcasecmp_power8 attribute_hidden;
 
 libc_ifunc (__libc_strcasecmp,
-	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	     (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	      && hwcap & PPC_FEATURE_HAS_ALTIVEC)
              ? __strcasecmp_power8:
 	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strcasecmp_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcasestr.c b/sysdeps/powerpc/powerpc64/multiarch/strcasestr.c
index 7e4bd3b5ac..5bb3016022 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcasestr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcasestr.c
@@ -27,7 +27,8 @@ extern __typeof (__strcasestr) __strcasestr_power8 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc (__strcasestr,
-		(hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		(hwcap2 & PPC_FEATURE2_ARCH_2_07
+		 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		? __strcasestr_power8
 		: __strcasestr_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcat.c b/sysdeps/powerpc/powerpc64/multiarch/strcat.c
index 6d342324c4..d8d9870824 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcat.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcat.c
@@ -28,9 +28,11 @@ extern __typeof (strcat) __strcat_power8 attribute_hidden;
 # undef strcat
 
 libc_ifunc_redirected (__redirect_strcat, strcat,
-		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
+			&& hwcap & PPC_FEATURE_HAS_VSX)
 		       ? __strcat_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06
+			  && hwcap & PPC_FEATURE_HAS_VSX)
 			 ? __strcat_power7
 			 : __strcat_ppc);
 #endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchr.c b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
index 27c794c6b7..62b202baf9 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchr.c
@@ -33,7 +33,8 @@ extern __typeof (strchr) __strchr_power8 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect_strchr, strchr,
-		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
+			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		       ? __strchr_power8 :
 		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strchr_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
index 4a07b4a242..40e529b9d9 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strchrnul.c
@@ -28,7 +28,8 @@ extern __typeof (__strchrnul) __strchrnul_power8 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc (__strchrnul,
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 	    ? __strchrnul_power8 :
 	    (hwcap & PPC_FEATURE_ARCH_2_06)
             ? __strchrnul_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
index 4b0b25fff6..8132682a99 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcmp.c
@@ -35,7 +35,8 @@ extern __typeof (strcmp) __strcmp_power9 attribute_hidden;
 
 libc_ifunc_redirected (__redirect_strcmp, strcmp,
 # ifdef __LITTLE_ENDIAN__
-			(hwcap2 & PPC_FEATURE2_ARCH_3_00)
+			(hwcap2 & PPC_FEATURE2_ARCH_3_00
+			 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 			? __strcmp_power9 :
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcpy.c b/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
index b733fa5a23..5af1d45cc1 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcpy.c
@@ -32,12 +32,15 @@ extern __typeof (strcpy) __strcpy_power9 attribute_hidden;
 
 libc_ifunc_redirected (__redirect_strcpy, strcpy,
 # ifdef __LITTLE_ENDIAN__
-			(hwcap2 & PPC_FEATURE2_ARCH_3_00)
+			(hwcap2 & PPC_FEATURE2_ARCH_3_00
+			 && hwcap & PPC_FEATURE_HAS_VSX)
 			? __strcpy_power9 :
 # endif
-		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
+			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		       ? __strcpy_power8
-		       : (hwcap & PPC_FEATURE_HAS_VSX)
+		       : (hwcap & PPC_FEATURE_ARCH_2_06
+		          && hwcap & PPC_FEATURE_HAS_VSX)
 			 ? __strcpy_power7
 			 : __strcpy_ppc);
 #endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strcspn.c b/sysdeps/powerpc/powerpc64/multiarch/strcspn.c
index 683aa104d7..8ba01c13b1 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strcspn.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strcspn.c
@@ -27,7 +27,8 @@ extern __typeof (strcspn) __strcspn_ppc attribute_hidden;
 extern __typeof (strcspn) __strcspn_power8 attribute_hidden;
 
 libc_ifunc (__libc_strcspn,
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_VSX)
 	    ? __strcspn_power8
 	    : __strcspn_ppc);
 
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strlen.c b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
index 0cd1c6faff..f1e28414e0 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strlen.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strlen.c
@@ -35,12 +35,15 @@ extern __typeof (__redirect_strlen) __strlen_power10 attribute_hidden;
 
 libc_ifunc (__libc_strlen,
 # ifdef __LITTLE_ENDIAN__
-	(hwcap2 & PPC_FEATURE2_ARCH_3_1)
+	(hwcap2 & PPC_FEATURE2_ARCH_3_1
+	 && hwcap & PPC_FEATURE_HAS_VSX)
 	? __strlen_power10 :
-	  (hwcap2 & PPC_FEATURE2_ARCH_3_00)
+	  (hwcap2 & PPC_FEATURE2_ARCH_3_00
+	   && hwcap & PPC_FEATURE_HAS_VSX)
 	  ? __strlen_power9 :
 # endif
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 	    ? __strlen_power8 :
 	      (hwcap & PPC_FEATURE_ARCH_2_06)
 	      ? __strlen_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncase.c b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
index 644046bd74..2802cf2c3f 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncase.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncase.c
@@ -27,7 +27,8 @@ extern __typeof (__strncasecmp) __strncasecmp_power7 attribute_hidden;
 extern __typeof (__strncasecmp) __strncasecmp_power8 attribute_hidden;
 
 libc_ifunc (__libc_strncasecmp,
-	     (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	     (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	      && hwcap & PPC_FEATURE_HAS_ALTIVEC)
              ? __strncasecmp_power8:
 	     (hwcap & PPC_FEATURE_ARCH_2_06)
              ? __strncasecmp_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncat.c b/sysdeps/powerpc/powerpc64/multiarch/strncat.c
index 0036fca91a..9ea294a72d 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncat.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncat.c
@@ -26,9 +26,11 @@ extern __typeof (strncat) __strncat_power7 attribute_hidden;
 extern __typeof (strncat) __strncat_power8 attribute_hidden;
 
 libc_ifunc (strncat,
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_VSX)
 	    ? __strncat_power8
-	    : (hwcap & PPC_FEATURE_HAS_VSX)
+	    : (hwcap & PPC_FEATURE_ARCH_2_06
+	       && hwcap & PPC_FEATURE_HAS_VSX)
             ? __strncat_power7
             : __strncat_ppc);
 #endif
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
index 1f689e5c05..2d21122854 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strncmp.c
@@ -38,7 +38,8 @@ extern __typeof (strncmp) __strncmp_power9 attribute_hidden;
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect_strncmp, strncmp,
 # ifdef __LITTLE_ENDIAN__
-			(hwcap2 & PPC_FEATURE2_ARCH_3_00)
+			(hwcap2 & PPC_FEATURE2_ARCH_3_00
+			 && hwcap & PPC_FEATURE_HAS_ALTIVEC)
 			? __strncmp_power9 :
 # endif
 		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
index baf375a75a..e68e9d9f88 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strnlen.c
@@ -29,7 +29,8 @@ extern __typeof (__strnlen) __strnlen_power8 attribute_hidden;
 # undef strnlen
 # undef __strnlen
 libc_ifunc_redirected (__redirect___strnlen, __strnlen,
-		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
+			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		       ? __strnlen_power8 :
 			 (hwcap & PPC_FEATURE_ARCH_2_06)
 			 ? __strnlen_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
index 1c9eea1817..7f0cf2a1b7 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strrchr.c
@@ -31,7 +31,8 @@ extern __typeof (strrchr) __strrchr_power8 attribute_hidden;
 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
    ifunc symbol properly.  */
 libc_ifunc_redirected (__redirect_strrchr, strrchr,
-		       (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+		       (hwcap2 & PPC_FEATURE2_ARCH_2_07
+			&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
 		       ? __strrchr_power8 :
 		       (hwcap & PPC_FEATURE_ARCH_2_06)
 		       ? __strrchr_power7
diff --git a/sysdeps/powerpc/powerpc64/multiarch/strspn.c b/sysdeps/powerpc/powerpc64/multiarch/strspn.c
index 70167a176b..7613ab3d55 100644
--- a/sysdeps/powerpc/powerpc64/multiarch/strspn.c
+++ b/sysdeps/powerpc/powerpc64/multiarch/strspn.c
@@ -27,7 +27,8 @@ extern __typeof (strspn) __strspn_ppc attribute_hidden;
 extern __typeof (strspn) __strspn_power8 attribute_hidden;
 
 libc_ifunc (__libc_strspn,
-	    (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+	    (hwcap2 & PPC_FEATURE2_ARCH_2_07
+	     && hwcap & PPC_FEATURE_HAS_VSX)
 	    ? __strspn_power8
 	    : __strspn_ppc);
 
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 12+ messages in thread

* Re: [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06
  2021-07-27  5:47 [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Anton Blanchard via Libc-alpha
  2021-07-27  5:47 ` [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines Anton Blanchard via Libc-alpha
  2021-07-27  5:47 ` [PATCH 3/3] powerpc64: Add checks for Altivec and VSX in ifunc selection Anton Blanchard via Libc-alpha
@ 2021-08-06 19:48 ` Tulio Magno Quites Machado Filho via Libc-alpha
  2 siblings, 0 replies; 12+ messages in thread
From: Tulio Magno Quites Machado Filho via Libc-alpha @ 2021-08-06 19:48 UTC (permalink / raw)
  To: Anton Blanchard; +Cc: libc-alpha

Anton Blanchard via Libc-alpha <libc-alpha@sourceware.org> writes:

> We use PPC_FEATURE_HAS_VSX to select a number of POWER7 optimised
> functions. These functions don't use any VSX instructions, so
> PPC_FEATURE_ARCH_2_06 seems like a better fit.

LGTM.

Pushed as e4ca6de1bc5e4ba3f94cf0c501a293c5bc827b10.

Thanks!

-- 
Tulio Magno

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines
  2021-07-27  5:47 ` [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines Anton Blanchard via Libc-alpha
@ 2021-08-06 19:50   ` Tulio Magno Quites Machado Filho via Libc-alpha
  0 siblings, 0 replies; 12+ messages in thread
From: Tulio Magno Quites Machado Filho via Libc-alpha @ 2021-08-06 19:50 UTC (permalink / raw)
  To: Anton Blanchard; +Cc: libc-alpha

Anton Blanchard via Libc-alpha <libc-alpha@sourceware.org> writes:

> A number of optimised memset routines assume the cacheline size is 128B,
> so we better check before using them.

LGTM.
The patch is still missing the changes for bzero(), but I understand this is
already an improvement over what we had.
I plan to modify bzero later.

Pushed as f2a15dd668913c5a1388ba7e1131b25162b2ea75.

Thanks!

-- 
Tulio Magno

^ permalink raw reply	[flat|nested] 12+ messages in thread

* Re: [PATCH 3/3] powerpc64: Add checks for Altivec and VSX in ifunc selection
  2021-07-27  5:47 ` [PATCH 3/3] powerpc64: Add checks for Altivec and VSX in ifunc selection Anton Blanchard via Libc-alpha
@ 2021-08-06 19:50   ` Tulio Magno Quites Machado Filho via Libc-alpha
  0 siblings, 0 replies; 12+ messages in thread
From: Tulio Magno Quites Machado Filho via Libc-alpha @ 2021-08-06 19:50 UTC (permalink / raw)
  To: Anton Blanchard; +Cc: libc-alpha

Anton Blanchard via Libc-alpha <libc-alpha@sourceware.org> writes:

> diff --git a/sysdeps/powerpc/powerpc64/multiarch/bzero.c b/sysdeps/powerpc/powerpc64/multiarch/bzero.c
> index 660d7dc686..6275305b46 100644
> --- a/sysdeps/powerpc/powerpc64/multiarch/bzero.c
> +++ b/sysdeps/powerpc/powerpc64/multiarch/bzero.c
> @@ -38,11 +38,13 @@ libc_ifunc (__bzero,
>  	     && hwcap & PPC_FEATURE_HAS_VSX)
>  	    ? __bzero_power10 :
>  # endif
> -            (hwcap2 & PPC_FEATURE2_ARCH_2_07)
> +            (hwcap2 & PPC_FEATURE2_ARCH_2_07

The old code had wrong indentation.
Fixed.

LGTM.  Pushed as 60b4dd25790342b40e8942e3a4115f511a6b6911.

Thanks!

-- 
Tulio Magno

^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2021-08-06 19:51 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-27  5:47 [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Anton Blanchard via Libc-alpha
2021-07-27  5:47 ` [PATCH 2/3] powerpc64: Check cacheline size before using optimised memset routines Anton Blanchard via Libc-alpha
2021-08-06 19:50   ` Tulio Magno Quites Machado Filho via Libc-alpha
2021-07-27  5:47 ` [PATCH 3/3] powerpc64: Add checks for Altivec and VSX in ifunc selection Anton Blanchard via Libc-alpha
2021-08-06 19:50   ` Tulio Magno Quites Machado Filho via Libc-alpha
2021-08-06 19:48 ` [PATCH 1/3] powerpc64: Replace some PPC_FEATURE_HAS_VSX with PPC_FEATURE_ARCH_2_06 Tulio Magno Quites Machado Filho via Libc-alpha
  -- strict thread matches above, loose matches on Subject: below --
2021-07-06 10:51 Anton Blanchard via Libc-alpha
2021-07-06 15:05 ` Adhemerval Zanella via Libc-alpha
2021-07-08 22:29 ` Tulio Magno Quites Machado Filho via Libc-alpha
2021-07-13 19:03   ` Adhemerval Zanella via Libc-alpha
2021-07-16 13:28     ` Tulio Magno Quites Machado Filho via Libc-alpha
2021-07-26 23:23       ` Anton Blanchard via Libc-alpha

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