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/ape/lib/ap/68020/memchr.s | |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/ape/lib/ap/68020/memchr.s')
| -rwxr-xr-x | sys/src/ape/lib/ap/68020/memchr.s | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/src/ape/lib/ap/68020/memchr.s b/sys/src/ape/lib/ap/68020/memchr.s new file mode 100755 index 000000000..ea2584df8 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/memchr.s @@ -0,0 +1,15 @@ + TEXT memchr(SB),$0 + MOVL n+8(FP),R0 + BEQ ret + MOVL s1+0(FP),A1 + MOVL c+4(FP),R1 + +l1: CMPB R1,(A1)+ + BEQ eq + SUBL $1,R0 + BNE l1 + RTS + +eq: MOVL A1,R0 + SUBL $1,R0 +ret: RTS |