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#include "setarch.h"

#include "defines.h"

#if defined (__H8300SX__)
        .global _strcmp
_strcmp:
        mov.l   er0,er2
loop:
        mov.b   @er2+,r0l
        beq     eos
        sub.b   @er1+,r0l
        beq     loop
        exts.l  #2,er0
        rts
eos:
        sub.b   @er1,r0l
        exts.l  #2,er0
        rts
#else
        .section .text
        .align 2
        .global _strcmp
_strcmp:
        MOVP    A0P,A2P
        MOVP    A1P,A3P
.L5:
        mov.b   @A2P+,A1L
        beq     .L3
        mov.b   @A3P+,A0L
        cmp.b   A0L,A1L
        beq     .L5
#ifdef __NORMAL_MODE__
        sub     #1,A3P
#else
        subs    #1,A3P
#endif
.L3:
        mov.b   @(-1,A2P),A0L
        mov.b   @A3P,A1L
        sub.b   A1L,A0L
        ; We have to sign extend the result to 32bits just in case
        ; we are using 32bit integers.
#ifdef __H8300H__
        exts.w  r0
        exts.l  er0
#else
#ifdef __H8300S__
        exts.w  r0
        exts.l  er0
#else
        bld     #7,r0l
        subx    r0h,r0h
        subx    r1l,r1l
        subx    r1h,r1h
#endif
#endif
        rts
        .end
#endif