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authorRichard Henderson <rth@redhat.com>1999-03-29 13:25:15 +0000
committerRichard Henderson <rth@redhat.com>1999-03-29 13:25:15 +0000
commitae6b87303186d9c11aaaf87b7a9500262c0f8c5a (patch)
treed6903bcec84aaf26f4e51de65f48f81f654eaab9 /sysdeps/sparc/sparc64/memcmp.S
parentb47516084bfba8471da0bdb58641c0d27e6e48b5 (diff)
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Sparc string routines from Jakub.
1999-03-29  Jakub Jelinek  <jj@ultra.linux.cz>

	* sysdeps/sparc/sparc32/sparcv8/Makefile: New file.
	* sysdeps/sparc/sparc32/sparcv8/rem.S: Delay after write %y.
	* sysdeps/sparc/sparc32/sparcv8/sdiv.S: Likewise.
	* sysdeps/sparc/sparc32/sparcv8/udiv.S: Likewise.
	* sysdeps/sparc/sparc32/sparcv8/urem.S: Likewise.

	* sysdeps/sparc/sparc32/sparcv9/bcopy.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/bzero.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/memchr.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/memcmp.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/memcpy.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/memset.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/stpcpy.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strcat.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strchr.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strcmp.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strcpy.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strcspn.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strlen.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strncpy.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strpbrk.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strrchr.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/strspn.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/dotmul.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/rem.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/sdiv.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/udiv.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/umul.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/urem.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/Makefile: New file.
	* sysdeps/sparc/sparc32/sparcv9/stpncpy.S: New file.
	* sysdeps/sparc/sparc32/sparcv9/strncmp.S: New file.

	* sysdeps/sparc/sparc32/bcopy.c: New file.
	* sysdeps/sparc/sparc32/bzero.c: New file.
	* sysdeps/sparc/sparc32/memchr.S: New file.
	* sysdeps/sparc/sparc32/memcpy.S: New file.
	* sysdeps/sparc/sparc32/memmove.c: New file.
	* sysdeps/sparc/sparc32/memset.S: New file.
	* sysdeps/sparc/sparc32/stpcpy.S: New file.
	* sysdeps/sparc/sparc32/strchr.S: New file.
	* sysdeps/sparc/sparc32/strrchr.c: New file.
	* sysdeps/sparc/sparc32/strcpy.S: New file.
	* sysdeps/sparc/sparc32/strlen.S: New file.
	* sysdeps/sparc/sparc32/strcat.S: New file.
	* sysdeps/sparc/sparc32/strcmp.S: New file.

	* sysdeps/sparc/sparc64/bcopy.c: New file.
	* sysdeps/sparc/sparc64/bzero.c: New file.
	* sysdeps/sparc/sparc64/memchr.S: New file.
	* sysdeps/sparc/sparc64/memcmp.S: New file.
	* sysdeps/sparc/sparc64/memcpy.S: New file.
	* sysdeps/sparc/sparc64/memset.S: New file.
	* sysdeps/sparc/sparc64/stpcpy.S: New file.
	* sysdeps/sparc/sparc64/strcat.S: New file.
	* sysdeps/sparc/sparc64/strchr.S: New file.
	* sysdeps/sparc/sparc64/strcmp.S: New file.
	* sysdeps/sparc/sparc64/strcpy.S: New file.
	* sysdeps/sparc/sparc64/strcspn.S: New file.
	* sysdeps/sparc/sparc64/strlen.S: New file.
	* sysdeps/sparc/sparc64/strncpy.S: New file.
	* sysdeps/sparc/sparc64/strpbrk.S: New file.
	* sysdeps/sparc/sparc64/strrchr.c: New file.
	* sysdeps/sparc/sparc64/strspn.S: New file.
	* sysdeps/sparc/sparc64/stpncpy.S: New file.
	* sysdeps/sparc/sparc64/strncmp.S: New file.

	* sysdeps/unix/sysv/linux/sparc/sparc32/Makefile (ASFLAGS-.os):
	Append -fPIC, don't replace.

	* configure.in: Recognize sparcv8plus / sparcv9.
Diffstat (limited to 'sysdeps/sparc/sparc64/memcmp.S')
-rw-r--r--sysdeps/sparc/sparc64/memcmp.S140
1 files changed, 140 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/memcmp.S b/sysdeps/sparc/sparc64/memcmp.S
new file mode 100644
index 0000000000..bd3253ce5c
--- /dev/null
+++ b/sysdeps/sparc/sparc64/memcmp.S
@@ -0,0 +1,140 @@
+/* Compare two memory blocks for differences in the first COUNT bytes.
+   For SPARC v9.
+   Copyright (C) 1998,1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  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
+
+	.text
+	.align		32
+ENTRY(memcmp)
+#ifdef USE_BPR
+	brz,pn		%o2, 3f				/* CTI+IEU1	Group		*/
+#else
+	tst		%o2				/* IEU1		Group		*/
+	be,pn		%XCC, 3f			/* CTI				*/
+#endif
+	 andcc		%o0, 7, %g0			/* IEU1		Group		*/
+	bne,pn		%icc, 8f			/* CTI				*/
+1:	 andcc		%o1, 7, %g1			/* IEU1		Group		*/
+
+	bne,pn		%icc, 10f			/* CTI				*/
+	 mov		64, %g3				/* IEU0				*/
+	ldx		[%o0], %g1			/* Load		Group		*/
+	sub		%o1, %o0, %o1			/* IEU0				*/
+
+	ldx		[%o0 + %o1], %g2		/* Load		Group		*/
+	add		%o0, 8, %o0			/* IEU0				*/
+2:	mov		%g1, %o3			/* IEU0		Group		*/	
+	subcc		%o2, 8, %o2			/* IEU1				*/
+
+	bl,pn		%XCC, 5f			/* CTI				*/
+	 ldxa		[%o0] ASI_PNF, %g1		/* Load		Group		*/
+	mov		%g2, %o4			/* IEU0				*/
+	ldxa		[%o0 + %o1] ASI_PNF, %g2	/* Load		Group		*/
+
+	cmp		%o3, %o4			/* IEU1				*/
+	be,pt		%xcc, 2b			/* CTI				*/
+	 add		%o0, 8, %o0			/* IEU0				*/
+7:	mov		-1, %o0				/* IEU1				*/
+
+	retl						/* CTI+IEU1	Group		*/
+	 movgu		%xcc, 1, %o0			/* Single	Group		*/
+3:	retl						/* CTI+IEU1	Group		*/
+	 clr		%o0				/* IEU0				*/
+
+	.align		16
+5:	mov		%g2, %o4			/* IEU0				*/
+6:	cmp		%o2, -8				/* IEU1				*/
+	be,pn		%XCC, 3b			/* CTI				*/
+	 sub		%g0, %o2, %o2			/* IEU0		Group		*/
+
+	sllx		%o2, 3, %o2			/* IEU0		Group		*/
+	srlx		%o3, %o2, %o3			/* IEU0		Group		*/
+	srlx		%o4, %o2, %o4			/* IEU0		Group		*/
+	clr		%o0				/* IEU1				*/
+
+	cmp		%o3, %o4			/* IEU1		Group		*/
+	movgu		%xcc, 1, %o0			/* Single	Group		*/
+	retl						/* CTI+IEU1	Group		*/
+	 movlu		%xcc, -1, %o0			/* Single	Group		*/
+
+8:	ldub		[%o0], %o3			/* Load				*/
+	add		%o0, 1, %o0			/* IEU0				*/
+	ldub		[%o1], %o4			/* Load		Group		*/
+	add		%o1, 1, %o1			/* IEU0				*/
+
+9:	cmp		%o3, %o4			/* IEU1		Group		*/
+	bne,pn		%xcc, 12f			/* CTI				*/
+	 subcc		%o2, 1, %o2			/* IEU1		Group		*/
+	be,pn		%XCC, 3b			/* CTI				*/
+
+	 lduba		[%o0] ASI_PNF, %o3		/* Load				*/
+	andcc		%o0, 7, %g0			/* IEU1		Group		*/
+	be,pn		%icc, 1b			/* CTI				*/
+	 lduba		[%o1] ASI_PNF, %o4		/* Load				*/
+
+	add		%o0, 1, %o0			/* IEU0		Group		*/
+	ba,pt		%xcc, 9b			/* CTI				*/
+	 add		%o1, 1, %o1			/* IEU1				*/
+
+	.align		16
+12:	mov		-1, %o0				/* IEU0		Group		*/
+	cmp		%o3, %o4			/* IEU1				*/
+	retl						/* CTI+IEU1	Group		*/
+	 movgu		%xcc, 1, %o0			/* Single	Group		*/
+
+	.align		16
+	nop						/* Stub				*/
+10:	sllx		%g1, 3, %g2			/* IEU0		Group		*/
+	sub		%o1, %g1, %o1			/* IEU1				*/
+	sub		%g3, %g2, %g3			/* IEU0		Group		*/
+
+	ldxa		[%o0] ASI_PNF, %g5		/* Load				*/
+	sub		%o1, %o0, %o1			/* IEU1				*/
+	ldxa		[%o0 + %o1] ASI_PNF, %g7	/* Load		Group		*/
+	add		%o0, 8, %o0			/* IEU0				*/
+
+11:	sllx		%g7, %g2, %o4			/* IEU0		Group		*/
+	ldxa		[%o0 + %o1] ASI_PNF, %g7	/* Load				*/
+	srlx		%g7, %g3, %o5			/* IEU0		Group		*/
+	mov		%g5, %o3			/* IEU1				*/   
+
+	ldxa		[%o0] ASI_PNF, %g5		/* Load				*/
+	subcc		%o2, 8, %o2			/* IEU1		Group		*/
+	bl,pn		%XCC, 6b			/* CTI				*/
+	 or		%o4, %o5, %o4			/* IEU0				*/
+
+	cmp		%o3, %o4			/* IEU1		Group		*/
+	be,pt		%xcc, 11b			/* CTI				*/
+	 add		%o0, 8, %o0			/* IEU0				*/
+	mov		-1, %o0				/* IEU0				*/
+
+	retl						/* CTI+IEU1	Group		*/
+	 movgu		%xcc, 1, %o0			/* Single	Group		*/
+END(memcmp)
+
+#undef bcmp
+weak_alias(memcmp, bcmp)
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-01 22:43:33 +0000