diff options
Diffstat (limited to 'libkern/strcmp-power.s')
| -rw-r--r-- | libkern/strcmp-power.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libkern/strcmp-power.s b/libkern/strcmp-power.s new file mode 100644 index 00000000..0aef5b29 --- /dev/null +++ b/libkern/strcmp-power.s @@ -0,0 +1,21 @@ +TEXT strcmp(SB), $0 + + MOVW s2+4(FP), R4 + + SUB $1, R3 + SUB $1, R4 +l1: + MOVBZU 1(R3), R5 + MOVBZU 1(R4), R6 + CMP R5, R6 + BNE ne + CMP R5, $0 + BNE l1 + MOVW $0, R3 + RETURN +ne: + MOVW $1, R3 + BGT ret + MOVW $-1, R3 +ret: + RETURN |