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2000-06-30  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/i386/i686/strcmp.S: Little optimization in non-BP case.
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Ulrich Drepper 2000-06-30 19:46:39 +00:00
parent 80503fa0e2
commit dbda6079a6
2 changed files with 10 additions and 0 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2000-06-30 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i686/strcmp.S: Little optimization in non-BP case.
2000-06-30 Greg McGary <greg@mcgary.org> 2000-06-30 Greg McGary <greg@mcgary.org>
* sysdeps/powerpc/stpcpy.S: Define & use symbolic register names. * sysdeps/powerpc/stpcpy.S: Define & use symbolic register names.

6
sysdeps/i386/i686/strcmp.S
View File

@ -51,6 +51,11 @@ L(oop): movb (%ecx), %al
CHECK_BOUNDS_HIGH (%edx, STR2(%esp), jbe) CHECK_BOUNDS_HIGH (%edx, STR2(%esp), jbe)
jmp L(out) jmp L(out)
#ifndef __BOUNDED_POINTERS__
L(neq): movl $1, %eax
movl $-1, %ecx
cmovbl %ecx, %eax
#else
L(neq): movl $1, %eax L(neq): movl $1, %eax
ja L(chk) ja L(chk)
negl %eax negl %eax
@ -58,6 +63,7 @@ L(neq): movl $1, %eax
the unequal characters. */ the unequal characters. */
L(chk): CHECK_BOUNDS_HIGH (%ecx, STR1(%esp), jb) L(chk): CHECK_BOUNDS_HIGH (%ecx, STR1(%esp), jb)
CHECK_BOUNDS_HIGH (%edx, STR2(%esp), jb) CHECK_BOUNDS_HIGH (%edx, STR2(%esp), jb)
#endif
L(out): LEAVE L(out): LEAVE
ret ret