diff options
Diffstat (limited to 'libkern/memccpy-power.s')
| -rw-r--r-- | libkern/memccpy-power.s | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libkern/memccpy-power.s b/libkern/memccpy-power.s new file mode 100644 index 00000000..120df6ed --- /dev/null +++ b/libkern/memccpy-power.s @@ -0,0 +1,23 @@ + TEXT memccpy(SB), $0 +#define BDNZ BC 16,0, +MOVW R3, s1+0(FP) + MOVW n+12(FP), R7 + MOVW s2+4(FP), R4 + MOVBZ c+11(FP), R5 + CMP R7, $0 + BEQ nf + MOVW R7, CTR + SUB $1, R3 + SUB $1, R4 +l1: + MOVBZU 1(R4), R6 + CMP R6, R5 + MOVBZU R6, 1(R3) + BEQ eq + BDNZ l1 +nf: + MOVW $0, R3 + RETURN +eq: + ADD $1, R3 + RETURN |