ref: bbe261d58359dbbcfc2f0108323f3fae688a568c 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