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

/* Set a block of memory to some byte value.
   For UltraSPARC.
   Copyright (C) 1996, 97, 98, 99, 2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by David S. Miller (davem@caip.rutgers.edu) and
                  Jakub Jelinek (jj@ultra.linux.cz).

   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#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];

	/* 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
	fmovd		%f0, %f2
	fmovd		%f0, %f4
	andn		%o3, 0xff, %o3
	fmovd		%f0, %f6
	cmp		%g5, 64
	fmovd		%f0, %f8
	fmovd		%f0, %f10
	fmovd		%f0, %f12
	brz,pn		%g5, 10f
	 fmovd		%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
END(memset)
libc_hidden_builtin_def (memset)

#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];

	.text
	.align		32
ENTRY(__bzero)
#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(__bzero)

weak_alias(__bzero, bzero)
Commit	Line	Data
ae6b8730 RH	1	/* Set a block of memory to some byte value.
ae6b8730 RH	2	For UltraSPARC.
85dd1003	3	Copyright (C) 1996, 97, 98, 99, 2003 Free Software Foundation, Inc.
ae6b8730 RH	4	This file is part of the GNU C Library.
	5	Contributed by David S. Miller (davem@caip.rutgers.edu) and
	6	Jakub Jelinek (jj@ultra.linux.cz).
	7
	8	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	9	modify it under the terms of the GNU Lesser General Public
	10	License as published by the Free Software Foundation; either
	11	version 2.1 of the License, or (at your option) any later version.
ae6b8730 RH	12
	13	The GNU C Library is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2	16	Lesser General Public License for more details.
ae6b8730	17
41bdb6e2 AJ	18	You should have received a copy of the GNU Lesser General Public
	19	License along with the GNU C Library; if not, write to the Free
	20	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	21	02111-1307 USA. */
ae6b8730 RH	22
	23	#include <sysdep.h>
	24	#include <asm/asi.h>
	25	#ifndef XCC
	26	#define XCC xcc
	27	#define USE_BPR
	28	#endif
	29	#define FPRS_FEF 4
	30
	31	#define SET_BLOCKS(base, offset, source) \
	32	stx source, [base - offset - 0x18]; \
	33	stx source, [base - offset - 0x10]; \
	34	stx source, [base - offset - 0x08]; \
	35	stx source, [base - offset - 0x00];
	36
	37	/* Well, memset is a lot easier to get right than bcopy... */
	38	.text
	39	.align 32
	40	ENTRY(memset)
407d26b7	41	andcc %o1, 0xff, %o1
8cb079d4	42	mov %o0, %o5
407d26b7	43	be,a,pt %icc, 50f
ae6b8730 RH	44	#ifndef USE_BPR
	45	srl %o2, 0, %o1
	46	#else
	47	mov %o2, %o1
	48	#endif
	49	cmp %o2, 7
	50	#ifndef USE_BPR
	51	srl %o2, 0, %o2
	52	#endif
	53	bleu,pn %XCC, 17f
	54	andcc %o0, 3, %g5
	55	be,pt %xcc, 4f
	56	and %o1, 0xff, %o1
	57	cmp %g5, 3
	58	be,pn %xcc, 2f
	59	stb %o1, [%o0 + 0x00]
	60	cmp %g5, 2
	61	be,pt %xcc, 2f
	62	stb %o1, [%o0 + 0x01]
	63	stb %o1, [%o0 + 0x02]
	64	2: sub %g5, 4, %g5
	65	sub %o0, %g5, %o0
	66	add %o2, %g5, %o2
	67	4: sllx %o1, 8, %g1
	68	andcc %o0, 4, %g0
	69	or %o1, %g1, %o1
	70	sllx %o1, 16, %g1
	71	or %o1, %g1, %o1
	72	be,pt %xcc, 2f
	73	sllx %o1, 32, %g1
	74	stw %o1, [%o0]
	75	sub %o2, 4, %o2
	76	add %o0, 4, %o0
	77	2: cmp %o2, 128
	78	or %o1, %g1, %o1
	79	blu,pn %xcc, 9f
	80	andcc %o0, 0x38, %g5
	81	be,pn %icc, 6f
8cb079d4	82	mov 64, %o4
ae6b8730 RH	83	andcc %o0, 8, %g0
ae6b8730 RH	84	be,pn %icc, 1f
8cb079d4	85	sub %o4, %g5, %o4
ae6b8730 RH	86	stx %o1, [%o0]
ae6b8730 RH	87	add %o0, 8, %o0
8cb079d4	88	1: andcc %o4, 16, %g0
ae6b8730	89	be,pn %icc, 1f
8cb079d4	90	sub %o2, %o4, %o2
ae6b8730 RH	91	stx %o1, [%o0]
	92	stx %o1, [%o0 + 8]
	93	add %o0, 16, %o0
8cb079d4	94	1: andcc %o4, 32, %g0
ae6b8730 RH	95	be,pn %icc, 7f
	96	andncc %o2, 0x3f, %o3
	97	stw %o1, [%o0]
	98	stw %o1, [%o0 + 4]
	99	stw %o1, [%o0 + 8]
	100	stw %o1, [%o0 + 12]
	101	stw %o1, [%o0 + 16]
	102	stw %o1, [%o0 + 20]
	103	stw %o1, [%o0 + 24]
	104	stw %o1, [%o0 + 28]
	105	add %o0, 32, %o0
	106	7: be,pn %xcc, 9f
	107	nop
	108	ldd [%o0 - 8], %f0
	109	18: wr %g0, ASI_BLK_P, %asi
	110	membar #StoreStore \| #LoadStore
	111	andcc %o3, 0xc0, %g5
	112	and %o2, 0x3f, %o2
	113	fmovd %f0, %f2
	114	fmovd %f0, %f4
	115	andn %o3, 0xff, %o3
	116	fmovd %f0, %f6
	117	cmp %g5, 64
	118	fmovd %f0, %f8
	119	fmovd %f0, %f10
	120	fmovd %f0, %f12
	121	brz,pn %g5, 10f
	122	fmovd %f0, %f14
	123	be,pn %icc, 2f
	124	stda %f0, [%o0 + 0x00] %asi
	125	cmp %g5, 128
	126	be,pn %icc, 2f
	127	stda %f0, [%o0 + 0x40] %asi
	128	stda %f0, [%o0 + 0x80] %asi
	129	2: brz,pn %o3, 12f
	130	add %o0, %g5, %o0
	131	10: stda %f0, [%o0 + 0x00] %asi
	132	stda %f0, [%o0 + 0x40] %asi
	133	stda %f0, [%o0 + 0x80] %asi
	134	stda %f0, [%o0 + 0xc0] %asi
	135	11: subcc %o3, 256, %o3
	136	bne,pt %xcc, 10b
	137	add %o0, 256, %o0
	138	12: wr %g0, FPRS_FEF, %fprs
	139	membar #StoreLoad \| #StoreStore
	140	9: andcc %o2, 0x78, %g5
	141	be,pn %xcc, 13f
	142	andcc %o2, 7, %o2
	143	14: rd %pc, %o4
	144	srl %g5, 1, %o3
	145	sub %o4, %o3, %o4
	146	jmpl %o4 + (13f - 14b), %g0
	147	add %o0, %g5, %o0
	148	12: SET_BLOCKS (%o0, 0x68, %o1)
	149	SET_BLOCKS (%o0, 0x48, %o1)
	150	SET_BLOCKS (%o0, 0x28, %o1)
	151	SET_BLOCKS (%o0, 0x08, %o1)
	152	13: be,pn %xcc, 8f
	153	andcc %o2, 4, %g0
	154	be,pn %xcc, 1f
	155	andcc %o2, 2, %g0
	156	stw %o1, [%o0]
	157	add %o0, 4, %o0
	158	1: be,pn %xcc, 1f
159	andcc %o2, 1, %g0
160	sth %o1, [%o0]
161	add %o0, 2, %o0
162	1: bne,a,pn %xcc, 8f
163	stb %o1, [%o0]
164	8: retl
8cb079d4	165	mov %o5, %o0
ae6b8730 RH	166	17: brz,pn %o2, 0f
	167	8: add %o0, 1, %o0
	168	subcc %o2, 1, %o2
	169	bne,pt %xcc, 8b
	170	stb %o1, [%o0 - 1]
	171	0: retl
8cb079d4	172	mov %o5, %o0
ae6b8730 RH	173
	174	6: stx %o1, [%o0]
	175	andncc %o2, 0x3f, %o3
	176	be,pn %xcc, 9b
	177	nop
	178	ba,pt %xcc, 18b
	179	ldd [%o0], %f0
	180	END(memset)
85dd1003	181	libc_hidden_builtin_def (memset)
ae6b8730 RH	182
	183	#define ZERO_BLOCKS(base, offset, source) \
	184	stx source, [base - offset - 0x38]; \
	185	stx source, [base - offset - 0x30]; \
	186	stx source, [base - offset - 0x28]; \
	187	stx source, [base - offset - 0x20]; \
	188	stx source, [base - offset - 0x18]; \
	189	stx source, [base - offset - 0x10]; \
	190	stx source, [base - offset - 0x08]; \
	191	stx source, [base - offset - 0x00];
	192
	193	.text
	194	.align 32
	195	ENTRY(__bzero)
	196	#ifndef USE_BPR
	197	srl %o1, 0, %o1
	198	#endif
8cb079d4	199	mov %o0, %o5
ae6b8730 RH	200	50: cmp %o1, 7
	201	bleu,pn %xcc, 17f
	202	andcc %o0, 3, %o2
	203	be,a,pt %xcc, 4f
	204	andcc %o0, 4, %g0
	205	cmp %o2, 3
	206	be,pn %xcc, 2f
	207	stb %g0, [%o0 + 0x00]
	208	cmp %o2, 2
	209	be,pt %xcc, 2f
	210	stb %g0, [%o0 + 0x01]
	211	stb %g0, [%o0 + 0x02]
	212	2: sub %o2, 4, %o2
	213	sub %o0, %o2, %o0
	214	add %o1, %o2, %o1
	215	andcc %o0, 4, %g0
	216	4: be,pt %xcc, 2f
	217	cmp %o1, 128
	218	stw %g0, [%o0]
	219	sub %o1, 4, %o1
	220	add %o0, 4, %o0
	221	2: blu,pn %xcc, 9f
	222	andcc %o0, 0x38, %o2
	223	be,pn %icc, 6f
8cb079d4	224	mov 64, %o4
ae6b8730 RH	225	andcc %o0, 8, %g0
ae6b8730 RH	226	be,pn %icc, 1f
8cb079d4	227	sub %o4, %o2, %o4
ae6b8730 RH	228	stx %g0, [%o0]
ae6b8730 RH	229	add %o0, 8, %o0
8cb079d4	230	1: andcc %o4, 16, %g0
ae6b8730	231	be,pn %icc, 1f
8cb079d4	232	sub %o1, %o4, %o1
ae6b8730 RH	233	stx %g0, [%o0]
	234	stx %g0, [%o0 + 8]
	235	add %o0, 16, %o0
8cb079d4	236	1: andcc %o4, 32, %g0
ae6b8730 RH	237	be,pn %icc, 7f
	238	andncc %o1, 0x3f, %o3
	239	stx %g0, [%o0]
	240	stx %g0, [%o0 + 8]
	241	stx %g0, [%o0 + 16]
	242	stx %g0, [%o0 + 24]
	243	add %o0, 32, %o0
	244	6: andncc %o1, 0x3f, %o3
	245	7: be,pn %xcc, 9f
	246	wr %g0, ASI_BLK_P, %asi
	247	membar #StoreLoad \| #StoreStore \| #LoadStore
	248	fzero %f0
	249	andcc %o3, 0xc0, %o2
	250	and %o1, 0x3f, %o1
	251	fzero %f2
	252	andn %o3, 0xff, %o3
	253	faddd %f0, %f2, %f4
	254	fmuld %f0, %f2, %f6
	255	cmp %o2, 64
	256	faddd %f0, %f2, %f8
	257	fmuld %f0, %f2, %f10
	258	faddd %f0, %f2, %f12
	259	brz,pn %o2, 10f
	260	fmuld %f0, %f2, %f14
	261	be,pn %icc, 2f
	262	stda %f0, [%o0 + 0x00] %asi
	263	cmp %o2, 128
	264	be,pn %icc, 2f
	265	stda %f0, [%o0 + 0x40] %asi
	266	stda %f0, [%o0 + 0x80] %asi
	267	2: brz,pn %o3, 12f
	268	add %o0, %o2, %o0
	269	10: stda %f0, [%o0 + 0x00] %asi
	270	stda %f0, [%o0 + 0x40] %asi
	271	stda %f0, [%o0 + 0x80] %asi
	272	stda %f0, [%o0 + 0xc0] %asi
	273	11: subcc %o3, 256, %o3
	274	bne,pt %xcc, 10b
	275	add %o0, 256, %o0
	276	12: wr %g0, FPRS_FEF, %fprs
	277	membar #StoreLoad \| #StoreStore
	278	9: andcc %o1, 0xf8, %o2
	279	be,pn %xcc, 13f
	280	andcc %o1, 7, %o1
	281	14: rd %pc, %o4
	282	srl %o2, 1, %o3
	283	sub %o4, %o3, %o4
	284	jmpl %o4 + (13f - 14b), %g0
	285	add %o0, %o2, %o0
	286	12: ZERO_BLOCKS (%o0, 0xc8, %g0)
	287	ZERO_BLOCKS (%o0, 0x88, %g0)
	288	ZERO_BLOCKS (%o0, 0x48, %g0)
	289	ZERO_BLOCKS (%o0, 0x08, %g0)
	290	13: be,pn %xcc, 8f
	291	andcc %o1, 4, %g0
	292	be,pn %xcc, 1f
	293	andcc %o1, 2, %g0
	294	stw %g0, [%o0]
	295	add %o0, 4, %o0
	296	1: be,pn %xcc, 1f
	297	andcc %o1, 1, %g0
	298	sth %g0, [%o0]
	299	add %o0, 2, %o0
	300	1: bne,a,pn %xcc, 8f
301	stb %g0, [%o0]
302	8: retl
8cb079d4	303	mov %o5, %o0
ae6b8730 RH	304	17: be,pn %xcc, 13b
	305	orcc %o1, 0, %g0
	306	be,pn %xcc, 0f
	307	8: add %o0, 1, %o0
	308	subcc %o1, 1, %o1
	309	bne,pt %xcc, 8b
	310	stb %g0, [%o0 - 1]
	311	0: retl
8cb079d4	312	mov %o5, %o0
ae6b8730 RH	313	END(__bzero)
ae6b8730 RH	314
a334319f	315	weak_alias(__bzero, bzero)