#include <mips/asm.h>
#include <mips/regdef.h>

LEAF(strcmp)
    .set noreorder
    lbu t0, 0(a0)
1:  lbu t1, 0(a1)
    beq t0, zero,.t01 # load delay slot
    addu a0, a0, 2 # branch delay slot
    bne t0, t1, .t01
    lbu t2, -1(a0) # branch delay slot
    lbu t1, 1(a1) # load delay slot
    beq t2, zero, .t21
    addu a1, a1, 2 # branch delay slot
    beq t2, t1, 1b
    lbu t0, 0(a0) # branch delay slot

.t21: j ra
    subu v0, t2, t1 # branch delay slot

.t01: j ra
    subu v0, t0, t1 # branch delay slot
    .set reorder
END(strcmp)