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73 lines
1.7 KiB
ArmAsm
73 lines
1.7 KiB
ArmAsm
! Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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!
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! This library is free software; you can redistribute it and/or
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! modify it under the terms of the GNU Library General Public
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! License as published by the Free Software Foundation; either
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! version 2 of the License, or (at your option) any later version.
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!
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! This library is distributed in the hope that it will be useful,
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! but WITHOUT ANY WARRANTY; without even the implied warranty of
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! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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! Library General Public License for more details.
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!
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! You should have received a copy of the GNU Library General Public
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! License along with this library; if not, write to the Free
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! Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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! MA 02111-1307, USA
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.file "strstr-sparc.s"
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.section ".text"
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.align 4
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.global strstr
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.type strstr,#function
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.proc 0102
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strstr:
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!char *strstr(register const char *str,const char *search)
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!{
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! register char *i,*j;
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!skipp:
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! while (*str != '\0') {
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! if (*str++ == *search) {
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! i=(char*) str; j=(char*) search+1;
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ldsb [%o1],%o2 ! o2= First char of search
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.top:
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ldsb [%o0],%o4 ! o4= First char of rest of str
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cmp %o4,0
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be .abort ! Found end null ;
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cmp %o4,%o2
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bne .top
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add %o0,1,%o0
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.outloop1:
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! while (*j)
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! if (*i++ != *j++) goto skipp;
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or %g0,%o0,%o3
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add %o1,1,%o4 ! o4= search+1
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ldsb [%o0],%o5 ! o5= [current_str+1]
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.loop2:
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ldsb [%o4],%g4
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add %o4,1,%o4
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cmp %g4,0
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be .end
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cmp %o5,%g4
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bne .top
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add %o3,1,%o3
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ba .loop2
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ldsb [%o3],%o5
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.end:
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retl
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sub %o0,1,%o0
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.abort:
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retl
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or %g0,0,%o0
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.strstr_end:
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.size strstr,.strstr_end-strstr
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.ident "Matt Wagner & Monty"
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