diff options
| author | tjr <tjr@FreeBSD.org> | 2003-03-12 06:46:16 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2003-03-12 06:46:16 +0000 |
| commit | 8c3565350b7fb1c5f37f5e1d21b979fc03f5f46e (patch) | |
| tree | 35415990cb65a0b3a3844e5bd8cebce156aca402 /lib | |
| parent | b526ac59f7556902ccc7abbd6e00bcfb864cbb5f (diff) | |
| download | FreeBSD-src-8c3565350b7fb1c5f37f5e1d21b979fc03f5f46e.zip FreeBSD-src-8c3565350b7fb1c5f37f5e1d21b979fc03f5f46e.tar.gz | |
MFp4: Reduce code size by 26 bytes by only aligning the jump targets that
are at the top of loops.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/i386/string/wmemchr.S | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/lib/libc/i386/string/wmemchr.S b/lib/libc/i386/string/wmemchr.S index 4163735..a4ef081 100644 --- a/lib/libc/i386/string/wmemchr.S +++ b/lib/libc/i386/string/wmemchr.S @@ -68,46 +68,37 @@ bigloop:cmpl %eax,(%edi) decl %ecx jnz bigloop jmp small -.p2align 2,0x90 found: movl %edi,%eax popl %ebx popl %edi ret -.p2align 2,0x90 found4: leal 4(%edi),%edi jmp found -.p2align 2,0x90 found8: leal 8(%edi),%edi jmp found -.p2align 2,0x90 found12:leal 12(%edi),%edi jmp found -.p2align 2,0x90 found16:leal 16(%edi),%edi jmp found -.p2align 2,0x90 found20:leal 20(%edi),%edi jmp found -.p2align 2,0x90 found24:leal 24(%edi),%edi jmp found -.p2align 2,0x90 found28:leal 28(%edi),%edi jmp found /* * Search remaining part of string. */ -.p2align 2,0x90 small: movl %ebx,%ecx andl $7,%ecx jz no +.p2align 2,0x90 smltop: cmpl %eax,(%edi) je found leal 4(%edi),%edi decl %ecx jnz smltop -.p2align 2,0x90 no: xorl %eax,%eax popl %ebx popl %edi |
