[thirdparty/glibc.git] / sysdeps / sparc / sparc64 / memset.S

/* Set a block of memory to some byte value.
   For UltraSPARC.
   Copyright (C) 1996-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <sysdep.h>
#include <asm/asi.h>
#ifndef XCC
#define XCC xcc
#define USE_BPR
#endif
#define FPRS_FEF	4

#define SET_BLOCKS(base, offset, source)		\
	stx		source, [base - offset - 0x18];	\
	stx		source, [base - offset - 0x10];	\
	stx		source, [base - offset - 0x08];	\
	stx		source, [base - offset - 0x00];

#define ZERO_BLOCKS(base, offset, source)		\
	stx		source, [base - offset - 0x38];	\
	stx		source, [base - offset - 0x30];	\
	stx		source, [base - offset - 0x28];	\
	stx		source, [base - offset - 0x20];	\
	stx		source, [base - offset - 0x18];	\
	stx		source, [base - offset - 0x10];	\
	stx		source, [base - offset - 0x08];	\
	stx		source, [base - offset - 0x00];

	/* Well, memset is a lot easier to get right than bcopy... */
	.text
	.align		32
ENTRY(memset)
	andcc		%o1, 0xff, %o1
	mov		%o0, %o5
	be,a,pt		%icc, 50f
#ifndef USE_BPR
	 srl		%o2, 0, %o1
#else
	 mov		%o2, %o1
#endif
	cmp		%o2, 7
#ifndef USE_BPR
	srl		%o2, 0, %o2
#endif
	bleu,pn		%XCC, 17f
	 andcc		%o0, 3, %g5
	be,pt		%xcc, 4f
	 and		%o1, 0xff, %o1
	cmp		%g5, 3
	be,pn		%xcc, 2f
	 stb		%o1, [%o0 + 0x00]
	cmp		%g5, 2
	be,pt		%xcc, 2f
	 stb		%o1, [%o0 + 0x01]
	stb		%o1, [%o0 + 0x02]
2:	sub		%g5, 4, %g5
	sub		%o0, %g5, %o0
	add		%o2, %g5, %o2
4:	sllx		%o1, 8, %g1
	andcc		%o0, 4, %g0
	or		%o1, %g1, %o1
	sllx		%o1, 16, %g1
	or		%o1, %g1, %o1
	be,pt		%xcc, 2f
	 sllx		%o1, 32, %g1
	stw		%o1, [%o0]
	sub		%o2, 4, %o2
	add		%o0, 4, %o0
2:	cmp		%o2, 128
	or		%o1, %g1, %o1
	blu,pn		%xcc, 9f
	 andcc		%o0, 0x38, %g5
	be,pn		%icc, 6f
	 mov		64, %o4
	andcc		%o0, 8, %g0
	be,pn		%icc, 1f
	 sub		%o4, %g5, %o4
	stx		%o1, [%o0]
	add		%o0, 8, %o0
1:	andcc		%o4, 16, %g0
	be,pn		%icc, 1f
	 sub		%o2, %o4, %o2
	stx		%o1, [%o0]
	stx		%o1, [%o0 + 8]
	add		%o0, 16, %o0
1:	andcc		%o4, 32, %g0
	be,pn		%icc, 7f
	 andncc		%o2, 0x3f, %o3
	stw		%o1, [%o0]
	stw		%o1, [%o0 + 4]
	stw		%o1, [%o0 + 8]
	stw		%o1, [%o0 + 12]
	stw		%o1, [%o0 + 16]
	stw		%o1, [%o0 + 20]
	stw		%o1, [%o0 + 24]
	stw		%o1, [%o0 + 28]
	add		%o0, 32, %o0
7:	be,pn		%xcc, 9f
	 nop
	ldd		[%o0 - 8], %f0
18:	wr		%g0, ASI_BLK_P, %asi
	membar		#StoreStore | #LoadStore
	andcc		%o3, 0xc0, %g5
	and		%o2, 0x3f, %o2
	fsrc2		%f0, %f2
	fsrc2		%f0, %f4
	andn		%o3, 0xff, %o3
	fsrc2		%f0, %f6
	cmp		%g5, 64
	fsrc2		%f0, %f8
	fsrc2		%f0, %f10
	fsrc2		%f0, %f12
	brz,pn		%g5, 10f
	 fsrc2		%f0, %f14
	be,pn		%icc, 2f
	 stda		%f0, [%o0 + 0x00] %asi
	cmp		%g5, 128
	be,pn		%icc, 2f
	 stda		%f0, [%o0 + 0x40] %asi
	stda		%f0, [%o0 + 0x80] %asi
2:	brz,pn		%o3, 12f
	 add		%o0, %g5, %o0
10:	stda		%f0, [%o0 + 0x00] %asi
	stda		%f0, [%o0 + 0x40] %asi
	stda		%f0, [%o0 + 0x80] %asi
	stda		%f0, [%o0 + 0xc0] %asi
11:	subcc		%o3, 256, %o3
	bne,pt		%xcc, 10b
	 add		%o0, 256, %o0
12:	wr		%g0, FPRS_FEF, %fprs
	membar		#StoreLoad | #StoreStore
9:	andcc		%o2, 0x78, %g5
	be,pn		%xcc, 13f
	 andcc		%o2, 7, %o2
14:	rd		%pc, %o4
	srl		%g5, 1, %o3
	sub		%o4, %o3, %o4
	jmpl		%o4 + (13f - 14b), %g0
	 add		%o0, %g5, %o0
12:	SET_BLOCKS	(%o0, 0x68, %o1)
	SET_BLOCKS	(%o0, 0x48, %o1)
	SET_BLOCKS	(%o0, 0x28, %o1)
	SET_BLOCKS	(%o0, 0x08, %o1)
13:	be,pn		%xcc, 8f
	 andcc		%o2, 4, %g0
	be,pn		%xcc, 1f
	 andcc		%o2, 2, %g0
	stw		%o1, [%o0]
	add		%o0, 4, %o0
1:	be,pn		%xcc, 1f
	 andcc		%o2, 1, %g0
	sth		%o1, [%o0]
	add		%o0, 2, %o0
1:	bne,a,pn	%xcc, 8f
	 stb		%o1, [%o0]
8:	retl
	 mov		%o5, %o0
17:	brz,pn		%o2, 0f
8:	 add		%o0, 1, %o0
	subcc		%o2, 1, %o2
	bne,pt		%xcc, 8b
	 stb		%o1, [%o0 - 1]
0:	retl
	 mov		%o5, %o0

6:	stx		%o1, [%o0]
	andncc		%o2, 0x3f, %o3
	be,pn		%xcc, 9b
	 nop
	ba,pt		%xcc, 18b
	 ldd		[%o0], %f0

#ifndef USE_BPR
	srl		%o1, 0, %o1
#endif
	mov		%o0, %o5
50:	cmp		%o1, 7
	bleu,pn		%xcc, 17f
	 andcc		%o0, 3, %o2
	be,a,pt		%xcc, 4f
	 andcc		%o0, 4, %g0
	cmp		%o2, 3
	be,pn		%xcc, 2f
	 stb		%g0, [%o0 + 0x00]
	cmp		%o2, 2
	be,pt		%xcc, 2f
	 stb		%g0, [%o0 + 0x01]
	stb		%g0, [%o0 + 0x02]
2:	sub		%o2, 4, %o2
	sub		%o0, %o2, %o0
	add		%o1, %o2, %o1
	andcc		%o0, 4, %g0
4:	be,pt		%xcc, 2f
	 cmp		%o1, 128
	stw		%g0, [%o0]
	sub		%o1, 4, %o1
	add		%o0, 4, %o0
2:	blu,pn		%xcc, 9f
	 andcc		%o0, 0x38, %o2
	be,pn		%icc, 6f
	 mov		64, %o4
	andcc		%o0, 8, %g0
	be,pn		%icc, 1f
	 sub		%o4, %o2, %o4
	stx		%g0, [%o0]
	add		%o0, 8, %o0
1:	andcc		%o4, 16, %g0
	be,pn		%icc, 1f
	 sub		%o1, %o4, %o1
	stx		%g0, [%o0]
	stx		%g0, [%o0 + 8]
	add		%o0, 16, %o0
1:	andcc		%o4, 32, %g0
	be,pn		%icc, 7f
	 andncc		%o1, 0x3f, %o3
	stx		%g0, [%o0]
	stx		%g0, [%o0 + 8]
	stx		%g0, [%o0 + 16]
	stx		%g0, [%o0 + 24]
	add		%o0, 32, %o0
6:	andncc		%o1, 0x3f, %o3
7:	be,pn		%xcc, 9f
	 wr		%g0, ASI_BLK_P, %asi
	membar		#StoreLoad | #StoreStore | #LoadStore
	fzero		%f0
	andcc		%o3, 0xc0, %o2
	and		%o1, 0x3f, %o1
	fzero		%f2
	andn		%o3, 0xff, %o3
	faddd		%f0, %f2, %f4
	fmuld		%f0, %f2, %f6
	cmp		%o2, 64
	faddd		%f0, %f2, %f8
	fmuld		%f0, %f2, %f10
	faddd		%f0, %f2, %f12
	brz,pn		%o2, 10f
	 fmuld		%f0, %f2, %f14
	be,pn		%icc, 2f
	 stda		%f0, [%o0 + 0x00] %asi
	cmp		%o2, 128
	be,pn		%icc, 2f
	 stda		%f0, [%o0 + 0x40] %asi
	stda		%f0, [%o0 + 0x80] %asi
2:	brz,pn		%o3, 12f
	 add		%o0, %o2, %o0
10:	stda		%f0, [%o0 + 0x00] %asi
	stda		%f0, [%o0 + 0x40] %asi
	stda		%f0, [%o0 + 0x80] %asi
	stda		%f0, [%o0 + 0xc0] %asi
11:	subcc		%o3, 256, %o3
	bne,pt		%xcc, 10b
	 add		%o0, 256, %o0
12:	wr		%g0, FPRS_FEF, %fprs
	membar		#StoreLoad | #StoreStore
9:	andcc		%o1, 0xf8, %o2
	be,pn		%xcc, 13f
	 andcc		%o1, 7, %o1
14:	rd		%pc, %o4
	srl		%o2, 1, %o3
	sub		%o4, %o3, %o4
	jmpl		%o4 + (13f - 14b), %g0
	 add		%o0, %o2, %o0
12:	ZERO_BLOCKS	(%o0, 0xc8, %g0)
	ZERO_BLOCKS	(%o0, 0x88, %g0)
	ZERO_BLOCKS	(%o0, 0x48, %g0)
	ZERO_BLOCKS	(%o0, 0x08, %g0)
13:	be,pn		%xcc, 8f
	 andcc		%o1, 4, %g0
	be,pn		%xcc, 1f
	 andcc		%o1, 2, %g0
	stw		%g0, [%o0]
	add		%o0, 4, %o0
1:	be,pn		%xcc, 1f
	 andcc		%o1, 1, %g0
	sth		%g0, [%o0]
	add		%o0, 2, %o0
1:	bne,a,pn	%xcc, 8f
	 stb		%g0, [%o0]
8:	retl
	 mov		%o5, %o0
17:	be,pn		%xcc, 13b
	 orcc		%o1, 0, %g0
	be,pn		%xcc, 0f
8:	 add		%o0, 1, %o0
	subcc		%o1, 1, %o1
	bne,pt		%xcc, 8b
	 stb		%g0, [%o0 - 1]
0:	retl
	 mov		%o5, %o0
END(memset)
libc_hidden_builtin_def (memset)
Commit	Line	Data
ae6b8730 RH	1	/* Set a block of memory to some byte value.
ae6b8730 RH	2	For UltraSPARC.
6d7e8eda	3	Copyright (C) 1996-2023 Free Software Foundation, Inc.
ae6b8730	4	This file is part of the GNU C Library.
ae6b8730 RH	5
ae6b8730 RH	6	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
ae6b8730 RH	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	14	Lesser General Public License for more details.
ae6b8730	15
41bdb6e2	16	You should have received a copy of the GNU Lesser General Public
59ba27a6	17	License along with the GNU C Library; if not, see
5a82c748	18	<https://www.gnu.org/licenses/>. */
ae6b8730 RH	19
	20	#include <sysdep.h>
	21	#include <asm/asi.h>
	22	#ifndef XCC
	23	#define XCC xcc
	24	#define USE_BPR
	25	#endif
	26	#define FPRS_FEF 4
	27
	28	#define SET_BLOCKS(base, offset, source) \
	29	stx source, [base - offset - 0x18]; \
	30	stx source, [base - offset - 0x10]; \
	31	stx source, [base - offset - 0x08]; \
	32	stx source, [base - offset - 0x00];
	33
a61933fe AZ	34	#define ZERO_BLOCKS(base, offset, source) \
	35	stx source, [base - offset - 0x38]; \
	36	stx source, [base - offset - 0x30]; \
	37	stx source, [base - offset - 0x28]; \
	38	stx source, [base - offset - 0x20]; \
	39	stx source, [base - offset - 0x18]; \
	40	stx source, [base - offset - 0x10]; \
	41	stx source, [base - offset - 0x08]; \
	42	stx source, [base - offset - 0x00];
	43
ae6b8730 RH	44	/* Well, memset is a lot easier to get right than bcopy... */
	45	.text
	46	.align 32
	47	ENTRY(memset)
407d26b7	48	andcc %o1, 0xff, %o1
8cb079d4	49	mov %o0, %o5
407d26b7	50	be,a,pt %icc, 50f
ae6b8730 RH	51	#ifndef USE_BPR
	52	srl %o2, 0, %o1
	53	#else
	54	mov %o2, %o1
	55	#endif
	56	cmp %o2, 7
	57	#ifndef USE_BPR
	58	srl %o2, 0, %o2
	59	#endif
	60	bleu,pn %XCC, 17f
	61	andcc %o0, 3, %g5
	62	be,pt %xcc, 4f
	63	and %o1, 0xff, %o1
	64	cmp %g5, 3
	65	be,pn %xcc, 2f
	66	stb %o1, [%o0 + 0x00]
	67	cmp %g5, 2
	68	be,pt %xcc, 2f
	69	stb %o1, [%o0 + 0x01]
	70	stb %o1, [%o0 + 0x02]
	71	2: sub %g5, 4, %g5
	72	sub %o0, %g5, %o0
	73	add %o2, %g5, %o2
	74	4: sllx %o1, 8, %g1
	75	andcc %o0, 4, %g0
	76	or %o1, %g1, %o1
	77	sllx %o1, 16, %g1
	78	or %o1, %g1, %o1
	79	be,pt %xcc, 2f
	80	sllx %o1, 32, %g1
	81	stw %o1, [%o0]
	82	sub %o2, 4, %o2
	83	add %o0, 4, %o0
	84	2: cmp %o2, 128
	85	or %o1, %g1, %o1
	86	blu,pn %xcc, 9f
	87	andcc %o0, 0x38, %g5
	88	be,pn %icc, 6f
8cb079d4	89	mov 64, %o4
ae6b8730 RH	90	andcc %o0, 8, %g0
ae6b8730 RH	91	be,pn %icc, 1f
8cb079d4	92	sub %o4, %g5, %o4
ae6b8730 RH	93	stx %o1, [%o0]
ae6b8730 RH	94	add %o0, 8, %o0
8cb079d4	95	1: andcc %o4, 16, %g0
ae6b8730	96	be,pn %icc, 1f
8cb079d4	97	sub %o2, %o4, %o2
ae6b8730 RH	98	stx %o1, [%o0]
	99	stx %o1, [%o0 + 8]
	100	add %o0, 16, %o0
8cb079d4	101	1: andcc %o4, 32, %g0
ae6b8730 RH	102	be,pn %icc, 7f
	103	andncc %o2, 0x3f, %o3
	104	stw %o1, [%o0]
	105	stw %o1, [%o0 + 4]
	106	stw %o1, [%o0 + 8]
	107	stw %o1, [%o0 + 12]
	108	stw %o1, [%o0 + 16]
	109	stw %o1, [%o0 + 20]
	110	stw %o1, [%o0 + 24]
	111	stw %o1, [%o0 + 28]
	112	add %o0, 32, %o0
	113	7: be,pn %xcc, 9f
	114	nop
	115	ldd [%o0 - 8], %f0
	116	18: wr %g0, ASI_BLK_P, %asi
	117	membar #StoreStore \| #LoadStore
	118	andcc %o3, 0xc0, %g5
	119	and %o2, 0x3f, %o2
f230c29b DM	120	fsrc2 %f0, %f2
f230c29b DM	121	fsrc2 %f0, %f4
ae6b8730	122	andn %o3, 0xff, %o3
f230c29b	123	fsrc2 %f0, %f6
ae6b8730	124	cmp %g5, 64
f230c29b DM	125	fsrc2 %f0, %f8
	126	fsrc2 %f0, %f10
	127	fsrc2 %f0, %f12
ae6b8730	128	brz,pn %g5, 10f
f230c29b	129	fsrc2 %f0, %f14
ae6b8730 RH	130	be,pn %icc, 2f
	131	stda %f0, [%o0 + 0x00] %asi
	132	cmp %g5, 128
	133	be,pn %icc, 2f
	134	stda %f0, [%o0 + 0x40] %asi
	135	stda %f0, [%o0 + 0x80] %asi
	136	2: brz,pn %o3, 12f
	137	add %o0, %g5, %o0
	138	10: stda %f0, [%o0 + 0x00] %asi
	139	stda %f0, [%o0 + 0x40] %asi
	140	stda %f0, [%o0 + 0x80] %asi
	141	stda %f0, [%o0 + 0xc0] %asi
	142	11: subcc %o3, 256, %o3
	143	bne,pt %xcc, 10b
	144	add %o0, 256, %o0
	145	12: wr %g0, FPRS_FEF, %fprs
	146	membar #StoreLoad \| #StoreStore
	147	9: andcc %o2, 0x78, %g5
	148	be,pn %xcc, 13f
	149	andcc %o2, 7, %o2
	150	14: rd %pc, %o4
	151	srl %g5, 1, %o3
	152	sub %o4, %o3, %o4
	153	jmpl %o4 + (13f - 14b), %g0
	154	add %o0, %g5, %o0
	155	12: SET_BLOCKS (%o0, 0x68, %o1)
	156	SET_BLOCKS (%o0, 0x48, %o1)
	157	SET_BLOCKS (%o0, 0x28, %o1)
	158	SET_BLOCKS (%o0, 0x08, %o1)
	159	13: be,pn %xcc, 8f
	160	andcc %o2, 4, %g0
	161	be,pn %xcc, 1f
	162	andcc %o2, 2, %g0
	163	stw %o1, [%o0]
	164	add %o0, 4, %o0
	165	1: be,pn %xcc, 1f
	166	andcc %o2, 1, %g0
	167	sth %o1, [%o0]
	168	add %o0, 2, %o0
	169	1: bne,a,pn %xcc, 8f
	170	stb %o1, [%o0]
	171	8: retl
8cb079d4	172	mov %o5, %o0
ae6b8730 RH	173	17: brz,pn %o2, 0f
	174	8: add %o0, 1, %o0
	175	subcc %o2, 1, %o2
	176	bne,pt %xcc, 8b
	177	stb %o1, [%o0 - 1]
	178	0: retl
8cb079d4	179	mov %o5, %o0
ae6b8730 RH	180
	181	6: stx %o1, [%o0]
	182	andncc %o2, 0x3f, %o3
	183	be,pn %xcc, 9b
	184	nop
	185	ba,pt %xcc, 18b
	186	ldd [%o0], %f0
ae6b8730	187
ae6b8730 RH	188	#ifndef USE_BPR
	189	srl %o1, 0, %o1
	190	#endif
8cb079d4	191	mov %o0, %o5
ae6b8730 RH	192	50: cmp %o1, 7
	193	bleu,pn %xcc, 17f
	194	andcc %o0, 3, %o2
	195	be,a,pt %xcc, 4f
	196	andcc %o0, 4, %g0
	197	cmp %o2, 3
	198	be,pn %xcc, 2f
	199	stb %g0, [%o0 + 0x00]
	200	cmp %o2, 2
	201	be,pt %xcc, 2f
	202	stb %g0, [%o0 + 0x01]
	203	stb %g0, [%o0 + 0x02]
	204	2: sub %o2, 4, %o2
	205	sub %o0, %o2, %o0
	206	add %o1, %o2, %o1
	207	andcc %o0, 4, %g0
	208	4: be,pt %xcc, 2f
	209	cmp %o1, 128
	210	stw %g0, [%o0]
	211	sub %o1, 4, %o1
	212	add %o0, 4, %o0
	213	2: blu,pn %xcc, 9f
	214	andcc %o0, 0x38, %o2
	215	be,pn %icc, 6f
8cb079d4	216	mov 64, %o4
ae6b8730 RH	217	andcc %o0, 8, %g0
ae6b8730 RH	218	be,pn %icc, 1f
8cb079d4	219	sub %o4, %o2, %o4
ae6b8730 RH	220	stx %g0, [%o0]
ae6b8730 RH	221	add %o0, 8, %o0
8cb079d4	222	1: andcc %o4, 16, %g0
ae6b8730	223	be,pn %icc, 1f
8cb079d4	224	sub %o1, %o4, %o1
ae6b8730 RH	225	stx %g0, [%o0]
	226	stx %g0, [%o0 + 8]
	227	add %o0, 16, %o0
8cb079d4	228	1: andcc %o4, 32, %g0
ae6b8730 RH	229	be,pn %icc, 7f
	230	andncc %o1, 0x3f, %o3
	231	stx %g0, [%o0]
	232	stx %g0, [%o0 + 8]
	233	stx %g0, [%o0 + 16]
	234	stx %g0, [%o0 + 24]
	235	add %o0, 32, %o0
	236	6: andncc %o1, 0x3f, %o3
	237	7: be,pn %xcc, 9f
	238	wr %g0, ASI_BLK_P, %asi
	239	membar #StoreLoad \| #StoreStore \| #LoadStore
	240	fzero %f0
	241	andcc %o3, 0xc0, %o2
	242	and %o1, 0x3f, %o1
	243	fzero %f2
	244	andn %o3, 0xff, %o3
	245	faddd %f0, %f2, %f4
	246	fmuld %f0, %f2, %f6
	247	cmp %o2, 64
	248	faddd %f0, %f2, %f8
	249	fmuld %f0, %f2, %f10
	250	faddd %f0, %f2, %f12
	251	brz,pn %o2, 10f
	252	fmuld %f0, %f2, %f14
	253	be,pn %icc, 2f
	254	stda %f0, [%o0 + 0x00] %asi
	255	cmp %o2, 128
	256	be,pn %icc, 2f
	257	stda %f0, [%o0 + 0x40] %asi
	258	stda %f0, [%o0 + 0x80] %asi
	259	2: brz,pn %o3, 12f
	260	add %o0, %o2, %o0
	261	10: stda %f0, [%o0 + 0x00] %asi
	262	stda %f0, [%o0 + 0x40] %asi
	263	stda %f0, [%o0 + 0x80] %asi
	264	stda %f0, [%o0 + 0xc0] %asi
	265	11: subcc %o3, 256, %o3
	266	bne,pt %xcc, 10b
	267	add %o0, 256, %o0
	268	12: wr %g0, FPRS_FEF, %fprs
	269	membar #StoreLoad \| #StoreStore
	270	9: andcc %o1, 0xf8, %o2
	271	be,pn %xcc, 13f
	272	andcc %o1, 7, %o1
	273	14: rd %pc, %o4
	274	srl %o2, 1, %o3
	275	sub %o4, %o3, %o4
	276	jmpl %o4 + (13f - 14b), %g0
	277	add %o0, %o2, %o0
	278	12: ZERO_BLOCKS (%o0, 0xc8, %g0)
	279	ZERO_BLOCKS (%o0, 0x88, %g0)
	280	ZERO_BLOCKS (%o0, 0x48, %g0)
	281	ZERO_BLOCKS (%o0, 0x08, %g0)
	282	13: be,pn %xcc, 8f
	283	andcc %o1, 4, %g0
	284	be,pn %xcc, 1f
	285	andcc %o1, 2, %g0
	286	stw %g0, [%o0]
	287	add %o0, 4, %o0
	288	1: be,pn %xcc, 1f
	289	andcc %o1, 1, %g0
	290	sth %g0, [%o0]
	291	add %o0, 2, %o0
	292	1: bne,a,pn %xcc, 8f
293	stb %g0, [%o0]
294	8: retl
8cb079d4	295	mov %o5, %o0
ae6b8730 RH	296	17: be,pn %xcc, 13b
	297	orcc %o1, 0, %g0
	298	be,pn %xcc, 0f
	299	8: add %o0, 1, %o0
	300	subcc %o1, 1, %o1
	301	bne,pt %xcc, 8b
	302	stb %g0, [%o0 - 1]
	303	0: retl
8cb079d4	304	mov %o5, %o0
a61933fe AZ	305	END(memset)
a61933fe AZ	306	libc_hidden_builtin_def (memset)