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author | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-02-18 16:48:11 +0000 |
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committer | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-02-18 16:48:11 +0000 |
commit | 8182e7cfe7d9c60567e48b876282594395062530 (patch) | |
tree | bb743948c6e926539b030102b804b5708222e8d4 /mdk-stage1/dietlibc/i386/strcmp.S | |
parent | c93f95560d3fde9eaefcc62c454c67b8b5626fa7 (diff) | |
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Merge in CVS dietlibc 0.21 for IA-64 and X86-64 support. However, drop the
following architectures we currently don't support: arm, mips, mipsel, parisc,
s390, sparc64.
Diffstat (limited to 'mdk-stage1/dietlibc/i386/strcmp.S')
-rw-r--r-- | mdk-stage1/dietlibc/i386/strcmp.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/strcmp.S b/mdk-stage1/dietlibc/i386/strcmp.S new file mode 100644 index 000000000..e01064ffb --- /dev/null +++ b/mdk-stage1/dietlibc/i386/strcmp.S @@ -0,0 +1,31 @@ +.text +.global strcmp +.type strcmp,@function +.weak strcoll +.type strcoll,@function + +#ifdef HIGH_PERFORMANCE +.align 16 +#endif + +.Ldiff: + movzbl (%edx), %ecx + subl %ecx, %eax # (unsigned char)*p - (unsigned char)*q, so wie die Original libc + ret # und ohne Überlaufprobleme: + # (int) ((signed char)c - (signed char)d) != (int)(signed char) ((unsigned char)c - (unsigned char)d) + # c = 'ä', d = 'e': left expression: -129, right expression: 127 + +strcoll: +strcmp: + movl 4(%esp), %ecx + movl 8(%esp), %edx + xorl %eax, %eax +.Lloop: # Schleifenanfang liegt genau auf Modulanfang + 0x10, damit alignbar + movb (%ecx), %al + cmpb (%edx), %al + jnz .Ldiff + incl %edx + incl %ecx + testb %al, %al + jnz .Lloop + ret |