newlib-cygwin/newlib/libc/machine/h8300/reg_memset.S

#include "setarch.h"

#include "defines.h"

	; dst A0
	; src A1
	; len A2

	.global ___reg_memset
___reg_memset:
	MOVP	A0P,A3P
	MOVP	A2P,A2P
	beq	noset

memloop:
	mov.b	A1L,@A0P
#ifdef __NORMAL_MODE__
	add	#1,A0P
	sub	#1,A2P
#else
	adds	#1,A0P
	subs	#1,A2P
#endif
	MOVP	A2P,A2P
	bne	memloop

noset:
	MOVP	A3P,A0P
	rts
2003-06-24 Kazu Hirata <kazu@cs.umass.edu> * libc/machine/h8300/setarch.h: New. * libc/machine/h8300/memcpy.S: Use it. * libc/machine/h8300/memset.S: Likewise. * libc/machine/h8300/reg_memcpy.S: Likewise. * libc/machine/h8300/reg_memset.S: Likewise. * libc/machine/h8300/setjmp.S: Likewise. * libc/machine/h8300/strcmp.S: Likewise. 2003-06-24 19:43:58 +00:00			`#include "setarch.h"`
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
2003-06-24 Kazu Hirata <kazu@cs.umass.edu> * libc/machine/h8300/setarch.h: New. * libc/machine/h8300/memcpy.S: Use it. * libc/machine/h8300/memset.S: Likewise. * libc/machine/h8300/reg_memcpy.S: Likewise. * libc/machine/h8300/reg_memset.S: Likewise. * libc/machine/h8300/setjmp.S: Likewise. * libc/machine/h8300/strcmp.S: Likewise. 2003-06-24 19:43:58 +00:00			`#include "defines.h"`
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
			`; dst A0`
			`; src A1`
			`; len A2`

			`.global ___reg_memset`
			`___reg_memset:`
			`MOVP A0P,A3P`
			`MOVP A2P,A2P`
			`beq noset`

			`memloop:`
			`mov.b A1L,@A0P`
2003-11-20 Dhananjay Deshpande <dhananjayd@kpitcummins.com> * libc/machine/h8300/defines.h : Correct pointer register defines for normal mode. * libc/machine/h8300/memcpy.S : Use add/sub instead of adds/subs for normal mode. * libc/machine/h8300/reg_memcpy.S : Likewise. * libc/machine/h8300/reg_memset.S : Likewise. * libc/machine/h8300/strcmp.S : Likewise. 2003-11-20 19:59:03 +00:00			`#ifdef __NORMAL_MODE__`
			`add #1,A0P`
			`sub #1,A2P`
			`#else`
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00			`adds #1,A0P`
			`subs #1,A2P`
2003-11-20 Dhananjay Deshpande <dhananjayd@kpitcummins.com> * libc/machine/h8300/defines.h : Correct pointer register defines for normal mode. * libc/machine/h8300/memcpy.S : Use add/sub instead of adds/subs for normal mode. * libc/machine/h8300/reg_memcpy.S : Likewise. * libc/machine/h8300/reg_memset.S : Likewise. * libc/machine/h8300/strcmp.S : Likewise. 2003-11-20 19:59:03 +00:00			`#endif`
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00			`MOVP A2P,A2P`
			`bne memloop`

			`noset:`
			`MOVP A3P,A0P`
			`rts`