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rindex.S revision 1.11 
      1   1.1      cgd /*
      2  1.11     salo  * Written by J.T. Conklin <jtc (at) NetBSD.org>.
      3   1.8      jtc  * Public domain.
      4   1.1      cgd  */
      5   1.1      cgd 
      6   1.7      jtc #include <machine/asm.h>
      7   1.7      jtc 
      8   1.2      jtc #if defined(LIBC_SCCS)
      9  1.11     salo 	RCSID("$NetBSD: rindex.S,v 1.11 2003/07/26 19:24:34 salo Exp $")
     10   1.2      jtc #endif
     11   1.3      jtc 
     12   1.4      jtc #ifdef STRRCHR
     13   1.4      jtc ENTRY(strrchr)
     14   1.4      jtc #else
     15   1.1      cgd ENTRY(rindex)
     16   1.4      jtc #endif
     17   1.1      cgd 	pushl	%ebx
     18   1.1      cgd 	movl	8(%esp),%edx
     19   1.1      cgd 	movb	12(%esp),%cl
     20   1.1      cgd 	xorl	%eax,%eax		/* init pointer to null */
     21  1.10   kleink 	_ALIGN_TEXT,0x90
     22   1.1      cgd L1:
     23   1.1      cgd 	movb	(%edx),%bl
     24   1.1      cgd 	cmpb	%bl,%cl
     25   1.1      cgd 	jne	L2
     26   1.1      cgd 	movl	%edx,%eax
     27   1.3      jtc L2:
     28   1.1      cgd 	incl	%edx
     29   1.1      cgd 	testb	%bl,%bl			/* null terminator??? */
     30   1.6  mycroft 	jnz	L1
     31   1.1      cgd 	popl	%ebx
     32   1.1      cgd 	ret
     33