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| author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:13 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:13 -0800 |
| commit | 1767f908af327fa388b1c66883760ad851267013 (patch) | |
| tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /libc/arch-x86/string/strncmp.S | |
| parent | a799b53f10e5a6fd51fef4436cfb7ec99836a516 (diff) | |
| download | bionic-1767f908af327fa388b1c66883760ad851267013.zip bionic-1767f908af327fa388b1c66883760ad851267013.tar.gz bionic-1767f908af327fa388b1c66883760ad851267013.tar.bz2 | |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'libc/arch-x86/string/strncmp.S')
| -rw-r--r-- | libc/arch-x86/string/strncmp.S | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/libc/arch-x86/string/strncmp.S b/libc/arch-x86/string/strncmp.S deleted file mode 100644 index 5aa88d7..0000000 --- a/libc/arch-x86/string/strncmp.S +++ /dev/null @@ -1,113 +0,0 @@ -/* $OpenBSD: strncmp.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -#include <machine/asm.h> - -/* - * NOTE: I've unrolled the loop eight times: large enough to make a - * significant difference, and small enough not to totally trash the - * cache. - */ - -ENTRY(strncmp) - pushl %ebx - movl 8(%esp),%eax - movl 12(%esp),%ecx - movl 16(%esp),%edx - testl %edx,%edx - jmp L2 /* Jump into the loop! */ - - .align 2,0x90 -L1: incl %eax - incl %ecx - decl %edx -L2: jz L4 /* strings are equal */ - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - jne L3 - - incl %eax - incl %ecx - decl %edx - jz L4 - movb (%eax),%bl - testb %bl,%bl - jz L3 - cmpb %bl,(%ecx) - je L1 - - .align 2,0x90 -L3: movzbl (%eax),%eax /* unsigned comparision */ - movzbl (%ecx),%ecx - subl %ecx,%eax - popl %ebx - ret - .align 2,0x90 -L4: xorl %eax,%eax - popl %ebx - ret |