diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/memchr.S')
| -rw-r--r-- | mdk-stage1/dietlibc/i386/memchr.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/memchr.S b/mdk-stage1/dietlibc/i386/memchr.S new file mode 100644 index 000000000..7d04f990b --- /dev/null +++ b/mdk-stage1/dietlibc/i386/memchr.S @@ -0,0 +1,24 @@ +.text +.align 0 +.global memchr +.type memchr,@function +memchr: + pushl %edi + movl 8(%esp),%edi + movl 12(%esp),%eax + movl 16(%esp),%ecx + cld + jecxz .Lnotfound + + repne scasb + + je .Lfound +.Lnotfound: + xorl %edi, %edi + incl %edi +.Lfound: + movl %edi, %eax + decl %eax + + popl %edi + ret |