diff options
| author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
|---|---|---|
| committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
| commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
| tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libc/68000/strchr.s | |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libc/68000/strchr.s')
| -rwxr-xr-x | sys/src/libc/68000/strchr.s | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/src/libc/68000/strchr.s b/sys/src/libc/68000/strchr.s new file mode 100755 index 000000000..a5d4be2c6 --- /dev/null +++ b/sys/src/libc/68000/strchr.s @@ -0,0 +1,27 @@ + TEXT strchr(SB), $0 + + MOVL s+0(FP), A0 + MOVB c+7(FP), R2 + BEQ null + +l: + MOVB (A0)+, R1 + BEQ out + CMPB R1, R2 + BNE l + + MOVL A0, R0 + ADDL $-1, R0 + RTS + +out: + CLRL R0 + RTS + +null: + TSTB (A0)+ + BNE null + + MOVL A0, R0 + ADDL $-1, R0 + RTS |