ref: 410c1337e07a9f1d521360a160903fe32b4e0d4a dir: /libkern/strchr-power.s/
/* * BUG: it's slow */ TEXT strchr(SB), $0 MOVBZ c+7(FP), R4 SUB $1, R3 l1: MOVBZU 1(R3), R6 CMP R6, R4 BEQ eq CMP R6, $0 BNE l1 nf: MOVW $0, R3 eq: RETURN