ref: 9f76a7f6819ac04552b4fb6588156f3e4089d1d7 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