ref: d5fc608059dee5f65ddfdf3e230bb8d458ccf43f
dir: /sys/src/libc/power/strcmp.s/
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