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authorUlrich Drepper <drepper@redhat.com>2000-12-08 17:27:11 +0000
committerUlrich Drepper <drepper@redhat.com>2000-12-08 17:27:11 +0000
commit104d0bd3ef1ea7a97ae7b3e4a8a63a08b92cfc1c (patch)
tree211aa48f0dbfe5720f4fadaf86e33f9a7dbb5dc8 /sysdeps/alpha/alphaev67/stpncpy.S
parent4e9b4067d74d2d943de6918f39c15eb8f8f11b22 (diff)
downloadglibc-104d0bd3ef1ea7a97ae7b3e4a8a63a08b92cfc1c.tar.gz
Update.
2000-12-08 Jakub Jelinek <jakub@redhat.com> * elf/dl-load.c (fillin_rpath): Don't assume there is '\0' at cp + len. Compute where from dirname. Reported by <jreiser@BitWagon.com>. 2000-12-08 Richard Henderson <rth@twiddle.net> * sysdeps/alpha/_mcount.S: Fix typo. * sysdeps/alpha/strncpy.S: Likewise. * sysdeps/alpha/alphaev6/Implies: New file. * sysdeps/alpha/alphaev67/Implies: New file. * sysdeps/alpha/alphaev67/ffs.S: New file. * sysdeps/alpha/alphaev67/ffsll.S: New file. * sysdeps/alpha/alphaev67/rawmemchr.S: New file. * sysdeps/alpha/alphaev67/stpcpy.S: New file. * sysdeps/alpha/alphaev67/stpncpy.S: New file. * sysdeps/alpha/rawmemchr.S: New file. * sysdeps/alpha/strcat.S: Tail call to __stxcpy. * sysdeps/alpha/strcpy.S: Likewise. From GMP 3.1.1: * sysdeps/alpha/alphaev6/addmul_1.s: New file. From rick.gorton@alpha-processor.com: * sysdeps/alpha/alphaev6/memchr.S: New file. * sysdeps/alpha/alphaev6/memcpy.S: New file. * sysdeps/alpha/alphaev6/memset.S: New file. * sysdeps/alpha/alphaev6/stxcpy.S: New file. * sysdeps/alpha/alphaev6/stxncpy.S: New file. * sysdeps/alpha/alphaev67/strcat.S: New file. * sysdeps/alpha/alphaev67/strchr.S: New file. * sysdeps/alpha/alphaev67/strlen.S: New file. * sysdeps/alpha/alphaev67/strncat.S: New file. * sysdeps/alpha/htonl.S: Use a shorter sequence. 2000-12-08 Jakub Jelinek <jakub@redhat.com> * inet/getnameinfo.c (getnameinfo): Fix NI_NOFQDN support. Reported by <pspencer@fields.utoronto.ca>. 2000-12-07 Jes Sorensen <jes@linuxcare.com> * sysdeps/ia64/elf/start.S (__data_start): Add __data_start variable. Pointed out by Hans Boehm. 2000-12-07 H.J. Lu <hjl@gnu.org> * elf/dl-version.c (match_symbol): Check map->l_name[0] for printing. 2000-12-07 Andreas Jaeger <aj@suse.de> * misc/error.c: Add format attributes for __error and __error_at_line. * nscd/dbg_log.h: Add format attribute. 2000-12-08 Ulrich Drepper <drepper@redhat.com> * misc/sys/syslog.h: Add format attributes to syslog and vsyslog. Patch by Joseph S. Myers <jsm28@cam.ac.uk>. * sysdeps/generic/dl-cache.c (HWCAP_CHECK): Fix access to _dl_hwcap. * manual/install.texi: Recommend to set LANGUAGE=C LC_ALL=C during
Diffstat (limited to 'sysdeps/alpha/alphaev67/stpncpy.S')
-rw-r--r--sysdeps/alpha/alphaev67/stpncpy.S116
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diff --git a/sysdeps/alpha/alphaev67/stpncpy.S b/sysdeps/alpha/alphaev67/stpncpy.S
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+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@redhat.com)
+
+ 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 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. */
+
+/* Copy no more then N bytes from SRC to DEST, returning the address of
+ the terminating '\0' in DEST. */
+
+#include <sysdep.h>
+
+ .arch ev6
+ .set noat
+ .set noreorder
+ .text
+
+ENTRY(__stpncpy)
+ ldgp gp, 0(pv)
+#ifdef PROF
+ lda AT, _mcount
+ jsr AT, (AT), _mcount
+#endif
+ .prologue 1
+
+ mov a0, v0
+ beq a2, $zerocount
+
+ .align 4
+ nop
+ nop
+ jsr t9, __stxncpy # do the work of the copy
+
+ cttz t8, t4
+ zapnot t0, t8, t5
+ andnot a0, 7, a0
+ bne a2, $multiword # do we have full words left?
+
+ subq t8, 1, t2
+ subq t10, 1, t3
+ cmpult zero, t5, t5
+ addq a0, t4, v0
+
+ or t2, t8, t2
+ or t3, t10, t3
+ addq v0, t5, v0
+ andnot t3, t2, t3
+
+ zap t0, t3, t0
+ nop
+ stq t0, 0(a0)
+ ret
+
+$multiword:
+ subq t8, 1, t7 # clear the final bits in the prev word
+ cmpult zero, t5, t5
+ or t7, t8, t7
+ zapnot t0, t7, t0
+
+ subq a2, 1, a2
+ stq t0, 0(a0)
+ addq a0, 8, a1
+ beq a2, 1f # loop over full words remaining
+
+ nop
+ nop
+ nop
+ blbc a2, 0f
+
+ stq zero, 0(a1)
+ subq a2, 1, a2
+ addq a1, 8, a1
+ beq a2, 1f
+
+0: stq zero, 0(a1)
+ subq a2, 2, a2
+ nop
+ nop
+
+ stq zero, 8(a1)
+ addq a1, 16, a1
+ nop
+ bne a2, 0b
+
+1: ldq t0, 0(a1) # clear the leading bits in the final word
+ subq t10, 1, t7
+ addq a0, t4, v0
+ nop
+
+ or t7, t10, t7
+ addq v0, t5, v0
+ zap t0, t7, t0
+ stq t0, 0(a1)
+
+$zerocount:
+ nop
+ nop
+ nop
+ ret
+
+ END(__stpncpy)
+
+weak_alias (__stpncpy, stpncpy)