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authorWainer dos Santos Moschetta <wainersm@linux.vnet.ibm.com>2017-04-11 14:18:35 -0300
committerTulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>2017-04-11 17:13:55 -0300
commitff06a55aef1a1826dadcebfee8baeaa10ce705a0 (patch)
tree36da2d7e166f6165abedca5413d0485749500b94 /sysdeps/powerpc/powerpc64/power7
parent18e0054bf7c57cb5e6b90961be167164d58b1098 (diff)
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powerpc: refactor memchr, memrchr, and rawmemchr IFUNC.
Clean up the IFUNC implementations for powerpc in order to remove unneeded macro definitions. Tested on ppc64le with and without --disable-multi-arch flag. * sysdeps/powerpc/powerpc64/multiarch/memchr-power7.S: Define the implementation-specific function name and remove unneeded macros definition. * sysdeps/powerpc/powerpc64/multiarch/memrchr-power7.S: Likewise. * sysdeps/powerpc/powerpc64/multiarch/rawmemchr-power7.S: Likewise. * sysdeps/powerpc/powerpc64/power7/memchr.S: Set a default function name if not defined and pass as parameter to macros accordingly. * sysdeps/powerpc/powerpc64/power7/memrchr.S: Likewise. * sysdeps/powerpc/powerpc64/power7/rawmemchr.S: Likewise.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/power7')
-rw-r--r--sysdeps/powerpc/powerpc64/power7/memchr.S8
-rw-r--r--sysdeps/powerpc/powerpc64/power7/memrchr.S8
-rw-r--r--sysdeps/powerpc/powerpc64/power7/rawmemchr.S8
3 files changed, 18 insertions, 6 deletions
diff --git a/sysdeps/powerpc/powerpc64/power7/memchr.S b/sysdeps/powerpc/powerpc64/power7/memchr.S
index 6ef665f2..5e9707a 100644
--- a/sysdeps/powerpc/powerpc64/power7/memchr.S
+++ b/sysdeps/powerpc/powerpc64/power7/memchr.S
@@ -20,8 +20,12 @@
#include <sysdep.h>
/* int [r3] memchr (char *s [r3], int byte [r4], int size [r5]) */
+
+#ifndef MEMCHR
+# define MEMCHR __memchr
+#endif
.machine power7
-ENTRY (__memchr)
+ENTRY (MEMCHR)
CALL_MCOUNT 3
dcbt 0,r3
clrrdi r8,r3,3
@@ -190,6 +194,6 @@ L(small_range):
bne cr6,L(done)
blr
-END (__memchr)
+END (MEMCHR)
weak_alias (__memchr, memchr)
libc_hidden_builtin_def (memchr)
diff --git a/sysdeps/powerpc/powerpc64/power7/memrchr.S b/sysdeps/powerpc/powerpc64/power7/memrchr.S
index 4e86400..4276768 100644
--- a/sysdeps/powerpc/powerpc64/power7/memrchr.S
+++ b/sysdeps/powerpc/powerpc64/power7/memrchr.S
@@ -20,8 +20,12 @@
#include <sysdep.h>
/* int [r3] memrchr (char *s [r3], int byte [r4], int size [r5]) */
+
+#ifndef MEMRCHR
+# define MEMRCHR __memrchr
+#endif
.machine power7
-ENTRY (__memrchr)
+ENTRY (MEMRCHR)
CALL_MCOUNT 3
add r7,r3,r5 /* Calculate the last acceptable address. */
neg r0,r7
@@ -192,6 +196,6 @@ L(loop_small):
bne L(loop_small)
blr
-END (__memrchr)
+END (MEMRCHR)
weak_alias (__memrchr, memrchr)
libc_hidden_builtin_def (memrchr)
diff --git a/sysdeps/powerpc/powerpc64/power7/rawmemchr.S b/sysdeps/powerpc/powerpc64/power7/rawmemchr.S
index b99ad62..48afb75 100644
--- a/sysdeps/powerpc/powerpc64/power7/rawmemchr.S
+++ b/sysdeps/powerpc/powerpc64/power7/rawmemchr.S
@@ -20,8 +20,12 @@
#include <sysdep.h>
/* int [r3] rawmemchr (void *s [r3], int c [r4]) */
+
+#ifndef RAWMEMCHR
+# define RAWMEMCHR __rawmemchr
+#endif
.machine power7
-ENTRY (__rawmemchr)
+ENTRY (RAWMEMCHR)
CALL_MCOUNT 2
dcbt 0,r3
clrrdi r8,r3,3 /* Align the address to doubleword boundary. */
@@ -106,6 +110,6 @@ L(done):
srdi r0,r0,3 /* Convert leading zeros to bytes. */
add r3,r8,r0 /* Return address of the matching char. */
blr
-END (__rawmemchr)
+END (RAWMEMCHR)
weak_alias (__rawmemchr,rawmemchr)
libc_hidden_builtin_def (__rawmemchr)