about summary refs log tree commit diff
path: root/sysdeps/sparc/sparc64/memset.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/sparc/sparc64/memset.S')
-rw-r--r--sysdeps/sparc/sparc64/memset.S314
1 files changed, 0 insertions, 314 deletions
diff --git a/sysdeps/sparc/sparc64/memset.S b/sysdeps/sparc/sparc64/memset.S
deleted file mode 100644
index 5664436a51..0000000000
--- a/sysdeps/sparc/sparc64/memset.S
+++ /dev/null
@@ -1,314 +0,0 @@
-/* Set a block of memory to some byte value.
-   For UltraSPARC.
-   Copyright (C) 1996-2017 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, see
-   <http://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];
-
-	/* 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
-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)
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-05 15:14:56 +0000