diff options
Diffstat (limited to 'strings/strstr-sparc.s')
-rw-r--r-- | strings/strstr-sparc.s | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/strings/strstr-sparc.s b/strings/strstr-sparc.s new file mode 100644 index 00000000000..d0d3659b1f8 --- /dev/null +++ b/strings/strstr-sparc.s @@ -0,0 +1,75 @@ +! Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB +! +! This library is free software; you can redistribute it and/or +! modify it under the terms of the GNU Library General Public +! License as published by the Free Software Foundation; either +! version 2 of the License, or (at your option) any later version. +! +! This library is distributed in the hope that it will be useful, +! but WITHOUT ANY WARRANTY; without even the implied warranty of +! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +! Library General Public License for more details. +! +! You should have received a copy of the GNU Library General Public +! License along with this library; if not, write to the Free +! Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +! MA 02111-1307, USA + + .file "strstr-sparc.s" +.section ".text" + .align 4 + .global strstr + .type strstr,#function + .proc 0102 +strstr: + +!char *strstr(register const char *str,const char *search) +!{ +! register char *i,*j; +!skipp: +! while (*str != '\0') { +! if (*str++ == *search) { +! i=(char*) str; j=(char*) search+1; + + ldsb [%o1],%g6 ! g6= First char of search +.top: + ldsb [%o0],%g3 ! g3= First char of rest of str + cmp %g3,0 + be .abort ! Found end null ; + cmp %g3,%g6 + bne .top + add %o0,1,%o0 + +.outloop1: + +! while (*j) +! if (*i++ != *j++) goto skipp; + + or %g0,%o0,%g2 + add %o1,1,%g3 ! g3= search+1 + ldsb [%o0],%o5 ! o5= [current_str+1] + +.loop2: + ldsb [%g3],%g4 + add %g3,1,%g3 + cmp %g4,0 + be .end + cmp %o5,%g4 + bne .top + add %g2,1,%g2 + ba .loop2 + ldsb [%g2],%o5 + +.end: + retl + sub %o0,1,%o0 +.abort: + retl + or %g0,0,%o0 + +.strstr_end: + .size strstr,.strstr_end-strstr + .ident "Matt Wagner & Monty" + + + |