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#include "setarch.h"
#include "defines.h"
#if defined (__H8300SX__)
.section .text
.global _strcmp
_strcmp:
mov.l er0,er2
loop:
mov.b @er2+,r0l
extu.w r0
beq eos
mov.b @er1+,r3l
extu.w r3
sub.w r3,r0
beq loop
#if (__INT_MAX__ > 32767)
exts.l er0
#endif
rts
eos:
mov.b @er1,r3l
extu.w r3
sub.w r3,r0
#if (__INT_MAX__ > 32767)
exts.l er0
#endif
rts
.end
#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 A0H,A0H ; H8/300 does not have EXTU.W instruction
sub.b A1H,A1H ; so we just zero higher byte of the word
sub.w A1,A0
; We have to sign extend the result to 32bits just in case
; we are using 32bit integers. H8/300 does not support 32bit
; integers (-mint32), so we can just use EXTS.L here.
#if (__INT_MAX__ > 32767)
exts.l er0
#endif
rts
.end
#endif
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