powerpc: Remove POWER7 wordcopy ifunc

This patch remove the POWER7 ifunc wordcopy function
(_wordcopy_*_power7), since now GLIBC provides a optimized memmove/bcopy
for POWER7.

ChangeLog

@@ -1,5 +1,14 @@
 2015-02-09  Adhemerval Zanellla  <azanella@linux.vnet.ibm.com>
 
+	* sysdeps/powerpc/powerpc64/multiarch/Makefile [sysdep_routines]:
+	Remove wordcopy-power7 object.
+	* sysdeps/powerpc/powerpc64/multiarch/wordcopy-power7.c: Remove file.
+	* sysdeps/powerpc/powerpc64/multiarch/wordcopy.c
+	(_wordcopy_fwd_aligned): Remove POWER7 specialization.
+	(_wordcopy_fwd_dest_aligned): Likewise.
+	(_wordcopy_bwd_aligned): Likewise.
+	(_wordcopy_bwd_dest_aligned): Likewise.
+
 	* sysdeps/powerpc/powerpc64/multiarch/bcopy-ppc64.c (__bcopy_ppc):
 	Rewrite to call __memmove_ppc instead of include default
 	implementation.

sysdeps/powerpc/powerpc64/multiarch/Makefile

@@ -11,7 +11,7 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
 		   strncmp-power8 strncmp-power7 strncmp-power4 strncmp-ppc64 \
 		   strchr-power7 strchr-ppc64 \
 		   strchrnul-power7 strchrnul-ppc64 \
-		   wordcopy-power7 wordcopy-power6 wordcopy-ppc64 \
+		   wordcopy-power6 wordcopy-ppc64 \
 		   strcpy-power8 strcpy-power7 strcpy-ppc64 stpcpy-power8 \
 		   stpcpy-power7 stpcpy-ppc64 \
 		   strrchr-power7 strrchr-ppc64 strncat-power7 strncat-ppc64 \
@@ -23,7 +23,6 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
 
 CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
 CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
-CFLAGS-wordcopy-power7.c += -mcpu=power7
 CFLAGS-wordcopy-power6.c += -mcpu=power6
 endif
 

sysdeps/powerpc/powerpc64/multiarch/wordcopy.c

@@ -26,59 +26,43 @@ extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_ppc
 attribute_hidden;
 extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power6
 attribute_hidden;
-extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power7
-attribute_hidden;
 
 libc_ifunc (_wordcopy_fwd_aligned,
-            (hwcap & PPC_FEATURE_HAS_VSX)
-            ? _wordcopy_fwd_aligned_power7 :
-	      (hwcap & PPC_FEATURE_ARCH_2_05)
-              ? _wordcopy_fwd_aligned_power6
+	    (hwcap & PPC_FEATURE_ARCH_2_05)
+            ? _wordcopy_fwd_aligned_power6
             : _wordcopy_fwd_aligned_ppc);
 
 
 extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_ppc
 attribute_hidden;
 extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power6
 attribute_hidden;
-extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power7
-attribute_hidden;
 
 libc_ifunc (_wordcopy_fwd_dest_aligned,
-            (hwcap & PPC_FEATURE_HAS_VSX)
-            ? _wordcopy_fwd_dest_aligned_power7 :
-	      (hwcap & PPC_FEATURE_ARCH_2_05)
-              ? _wordcopy_fwd_dest_aligned_power6
+	    (hwcap & PPC_FEATURE_ARCH_2_05)
+            ? _wordcopy_fwd_dest_aligned_power6
             : _wordcopy_fwd_dest_aligned_ppc);
 
 
 extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_ppc
 attribute_hidden;
 extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power6
 attribute_hidden;
-extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power7
-attribute_hidden;
 
 libc_ifunc (_wordcopy_bwd_aligned,
-            (hwcap & PPC_FEATURE_HAS_VSX)
-            ? _wordcopy_bwd_aligned_power7 :
-	      (hwcap & PPC_FEATURE_ARCH_2_05)
-              ? _wordcopy_bwd_aligned_power6
+	    (hwcap & PPC_FEATURE_ARCH_2_05)
+            ? _wordcopy_bwd_aligned_power6
             : _wordcopy_bwd_aligned_ppc);
 
 
 extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_ppc
 attribute_hidden;
 extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power6
 attribute_hidden;
-extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power7
-attribute_hidden;
 
 libc_ifunc (_wordcopy_bwd_dest_aligned,
-            (hwcap & PPC_FEATURE_HAS_VSX)
-            ? _wordcopy_bwd_dest_aligned_power7 :
-	      (hwcap & PPC_FEATURE_ARCH_2_05)
-              ? _wordcopy_bwd_dest_aligned_power6
+	    (hwcap & PPC_FEATURE_ARCH_2_05)
+            ? _wordcopy_bwd_dest_aligned_power6
             : _wordcopy_bwd_dest_aligned_ppc);
 
 #else