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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/sparc32/memset.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/sparc32/memset.S')
-rw-r--r--sysdeps/sparc/sparc32/memset.S154
1 files changed, 154 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc32/memset.S b/sysdeps/sparc/sparc32/memset.S
new file mode 100644
index 0000000000..65e3243b3a
--- /dev/null
+++ b/sysdeps/sparc/sparc32/memset.S
@@ -0,0 +1,154 @@
+/* Set a block of memory to some byte value.
+ For SPARC v7.
+ Copyright (C) 1996, 1999 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 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>
+
+ /* Store 64 bytes at (BASE + OFFSET) using value SOURCE. */
+#define ZERO_BIG_BLOCK(base, offset, source) \
+ std source, [base + offset + 0x00]; \
+ std source, [base + offset + 0x08]; \
+ std source, [base + offset + 0x10]; \
+ std source, [base + offset + 0x18]; \
+ std source, [base + offset + 0x20]; \
+ std source, [base + offset + 0x28]; \
+ std source, [base + offset + 0x30]; \
+ std source, [base + offset + 0x38];
+
+#define ZERO_LAST_BLOCKS(base, offset, source) \
+ std source, [base - offset - 0x38]; \
+ std source, [base - offset - 0x30]; \
+ std source, [base - offset - 0x28]; \
+ std source, [base - offset - 0x20]; \
+ std source, [base - offset - 0x18]; \
+ std source, [base - offset - 0x10]; \
+ std source, [base - offset - 0x08]; \
+ std source, [base - offset - 0x00];
+
+ .text
+ .align 4
+ENTRY(__bzero)
+ b 1f
+ mov %g0, %g3
+
+3: cmp %o2, 3
+ be 2f
+ stb %g3, [%o0]
+
+ cmp %o2, 2
+ be 2f
+ stb %g3, [%o0 + 0x01]
+
+ stb %g3, [%o0 + 0x02]
+2: sub %o2, 4, %o2
+ add %o1, %o2, %o1
+ b 4f
+ sub %o0, %o2, %o0
+END(__bzero)
+
+ENTRY(memset)
+ and %o1, 0xff, %g3
+ sll %g3, 8, %g2
+ or %g3, %g2, %g3
+ sll %g3, 16, %g2
+ or %g3, %g2, %g3
+ orcc %o2, %g0, %o1
+1: cmp %o1, 7
+ bleu 7f
+ mov %o0, %g1
+
+ andcc %o0, 3, %o2
+ bne 3b
+4: andcc %o0, 4, %g0
+
+ be 2f
+ mov %g3, %g2
+
+ st %g3, [%o0]
+ sub %o1, 4, %o1
+ add %o0, 4, %o0
+2: andcc %o1, 0xffffff80, %o3
+ be 9f
+ andcc %o1, 0x78, %o2
+4: ZERO_BIG_BLOCK (%o0, 0x00, %g2)
+ subcc %o3, 128, %o3
+ ZERO_BIG_BLOCK (%o0, 0x40, %g2)
+ bne 4b
+ add %o0, 128, %o0
+
+ orcc %o2, %g0, %g0
+9: be 6f
+ andcc %o1, 7, %o1
+
+ mov %o7, %g4
+101: call 100f
+ srl %o2, 1, %o3
+ mov %g4, %o7
+ jmpl %o4 + (20f + 64 - 101b), %g0
+ add %o0, %o2, %o0
+
+100: retl
+ sub %o7, %o3, %o4
+
+20: ZERO_LAST_BLOCKS(%o0, 0x48, %g2)
+ ZERO_LAST_BLOCKS(%o0, 0x08, %g2)
+
+6: be 8f
+ andcc %o1, 4, %g0
+ be 1f
+ andcc %o1, 2, %g0
+ st %g3, [%o0]
+ add %o0, 4, %o0
+1: be 1f
+ andcc %o1, 1, %g0
+ sth %g3, [%o0]
+ add %o0, 2, %o0
+1: bne,a 8f
+ stb %g3, [%o0]
+8: retl
+ mov %g1, %o0
+7: orcc %o1, 0, %g0
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0]
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0 + 1]
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0 + 2]
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0 + 3]
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0 + 4]
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0 + 5]
+ be 0f
+ subcc %o1, 1, %o1
+ stb %g3, [%o0 + 6]
+0: retl
+ nop
+END(memset)
+
+weak_alias(__bzero, bzero)