diff options
Diffstat (limited to 'sysdeps/i386/i586/strlen.S')
| -rw-r--r-- | sysdeps/i386/i586/strlen.S | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/sysdeps/i386/i586/strlen.S b/sysdeps/i386/i586/strlen.S index 2e6ea680ec..e2771268ed 100644 --- a/sysdeps/i386/i586/strlen.S +++ b/sysdeps/i386/i586/strlen.S @@ -1,6 +1,6 @@ /* strlen -- Compute length og NUL terminated string. Highly optimized version for ix86, x>=5. - Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>. @@ -21,6 +21,7 @@ #include <sysdep.h> #include "asm-syntax.h" +#include "bp-asm.h" /* This version is especially optimized for the i586 (and following?) processors. This is mainly done by using the two pipelines. The @@ -35,14 +36,14 @@ /* The magic value which is used throughout in the whole code. */ #define magic 0xfefefeff -/* - INPUT PARAMETERS: - str (sp + 4) -*/ +#define PARMS LINKAGE /* no space for saved regs */ +#define STR PARMS .text ENTRY(strlen) - movl 4(%esp), %eax /* get string pointer */ + ENTER + + movl STR(%esp), %eax movl $3, %edx /* load mask (= 3) */ andl %eax, %edx /* separate last two bits of address */ @@ -176,9 +177,9 @@ L(3): subl $4, %eax /* correct too early pointer increment */ incl %eax /* increment pointer */ -L(2): subl 4(%esp), %eax /* now compute the length as difference +L(2): subl STR(%esp), %eax /* now compute the length as difference between start and terminating NUL character */ - + LEAVE ret END (strlen) |