aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/powerpc/powerpc32/strchr.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/powerpc/powerpc32/strchr.S')
-rw-r--r--sysdeps/powerpc/powerpc32/strchr.S27
1 files changed, 6 insertions, 21 deletions
diff --git a/sysdeps/powerpc/powerpc32/strchr.S b/sysdeps/powerpc/powerpc32/strchr.S
index f2e0d26c9d..c9952eeccf 100644
--- a/sysdeps/powerpc/powerpc32/strchr.S
+++ b/sysdeps/powerpc/powerpc32/strchr.S
@@ -17,26 +17,18 @@
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
-#include <bp-sym.h>
-#include <bp-asm.h>
/* See strlen.s for comments on how this works. */
/* char * [r3] strchr (const char *s [r3] , int c [r4] ) */
-ENTRY (BP_SYM (strchr))
+ENTRY (strchr)
#define rTMP1 r0
#define rRTN r3 /* outgoing result */
-#if __BOUNDED_POINTERS__
-# define rSTR r4
-# define rCHR r5 /* byte we're looking for, spread over the whole word */
-# define rWORD r8 /* the current word */
-#else
-# define rSTR r8 /* current word pointer */
-# define rCHR r4 /* byte we're looking for, spread over the whole word */
-# define rWORD r5 /* the current word */
-#endif
+#define rSTR r8 /* current word pointer */
+#define rCHR r4 /* byte we're looking for, spread over the whole word */
+#define rWORD r5 /* the current word */
#define rCLZB rCHR /* leading zero byte count */
#define rFEFE r6 /* constant 0xfefefeff (-0x01010101) */
#define r7F7F r7 /* constant 0x7f7f7f7f */
@@ -45,8 +37,6 @@ ENTRY (BP_SYM (strchr))
#define rMASK r11 /* mask with the bits to ignore set to 0 */
#define rTMP3 r12
- CHECK_BOUNDS_LOW (rSTR, rTMP1, rTMP2)
- STORE_RETURN_BOUNDS (rTMP1, rTMP2)
rlwimi rCHR, rCHR, 8, 16, 23
li rMASK, -1
@@ -90,7 +80,6 @@ L(loopentry):
L(missed):
and. rTMP1, rTMP1, rTMP2
li rRTN, 0
- STORE_RETURN_VALUE (rSTR)
beqlr
/* It did happen. Decide which one was first...
I'm not sure if this is actually faster than a sequence of
@@ -108,8 +97,6 @@ L(missed):
cntlzw rCLZB, rTMP2
srwi rCLZB, rCLZB, 3
add rRTN, rSTR, rCLZB
- CHECK_BOUNDS_HIGH_RTN (rSTR, rTMP2, twlge)
- STORE_RETURN_VALUE (rSTR)
blr
L(foundit):
@@ -121,10 +108,8 @@ L(foundit):
subi rSTR, rSTR, 4
srwi rCLZB, rCLZB, 3
add rRTN, rSTR, rCLZB
- CHECK_BOUNDS_HIGH_RTN (rSTR, rTMP2, twlge)
- STORE_RETURN_VALUE (rSTR)
blr
-END (BP_SYM (strchr))
+END (strchr)
-weak_alias (BP_SYM (strchr), BP_SYM (index))
+weak_alias (strchr, index)
libc_hidden_builtin_def (strchr)