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(root)/os/branches/feature_posix/sys/src/libc/power/strcmp.s – Rev 2

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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

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