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Use PTR_ALIGN_DOWN on strcspn and strspn

Tested on aarch64.

	* string/strcspn.c (strcspn): Use PTR_ALIGN_DOWN.
	* string/strspn.c (strspn): Likewise.
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Adhemerval Zanella
Adhemerval Zanella committed Apr 1, 2016
1 parent 344303f commit 2e51bc3813ca3fe72fd197d08d79496e46669f43
Showing with 10 additions and 2 deletions.
  1. +5 −0 ChangeLog
  2. +2 −1 string/strcspn.c
  3. +3 −1 string/strspn.c
@@ -1,3 +1,8 @@
2016-04-01 Adhemerval Zanella <adhemerval.zanella@linaro.org>

* string/strcspn.c (strcspn): Use PTR_ALIGN_DOWN.
* string/strspn.c (strspn): Likewise.

2016-04-01 H.J. Lu <hongjiu.lu@intel.com>

* benchtests/bench-memset.c (do_test): Support 64-byte
@@ -17,6 +17,7 @@

#include <string.h>
#include <stdint.h>
#include <libc-internal.h>

#undef strcspn

@@ -52,7 +53,7 @@ STRCSPN (const char *str, const char *reject)
if (p[s[2]]) return 2;
if (p[s[3]]) return 3;

s = (unsigned char *) ((uintptr_t)(s) & ~3);
s = (unsigned char *) PTR_ALIGN_DOWN (s, 4);

unsigned int c0, c1, c2, c3;
do
@@ -17,6 +17,7 @@

#include <string.h>
#include <stdint.h>
#include <libc-internal.h>

#undef strspn
#ifndef STRSPN
@@ -58,7 +59,8 @@ STRSPN (const char *str, const char *accept)
if (!p[s[2]]) return 2;
if (!p[s[3]]) return 3;

s = (unsigned char *) ((uintptr_t)(s) & ~3);
s = (unsigned char *) PTR_ALIGN_DOWN (s, 4);

unsigned int c0, c1, c2, c3;
do {
s += 4;

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