Update.cvs/libc-ud-970829

1997-08-29 21:45  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/auth_des.c: New file.  Copied from former secure_rpc add-on.
	* sunrpc/authdes_prot.c: New file.  Likewise.
	* sunrpc/des.h: New file.  Likewise.
	* sunrpc/des_crypt.c: New file.  Likewise.
	* sunrpc/des_soft.c: New file.  Likewise.
	* sunrpc/key_call.c: New file.  Likewise.
	* sunrpc/key_prot.c: New file.  Likewise.
	* sunrpc/netname.c: New file.  Likewise.
	* sunrpc/openchild.c: New file.  Likewise.
	* sunrpc/rtime.c: New file.  Likewise.
	* sunrpc/svc_auth.c: New file.  Likewise.
	* sunrpc/svcauth_des.c: New file.  Likewise.
	* sunrpc/xcrypt.c: New file.  Likewise.
	* sunrpc/rpc/auth.h: New file.  Likewise.
	* sunrpc/rpc/auth_des.h: New file.  Likewise.
	* sunrpc/rpc/des_crypt.h: New file.  Likewise.
	* sunrpc/rpc/key_prot.h: New file.  Likewise.
	* sunrpc/rpcsvc/key_prot.x: New file.  Likewise.
	* sysdeps/generic/svc_auth.h: Removed.
	* sysdeps/generic/rpc/auth.h: Removed.
	* sysdeps/generic/rpc/auth_des.h: Removed.
	* sysdeps/stub/des_impl.c: New file.  Stub version for DES.
	* sunrpc/Makefile (rpcsvc): Add keyprot.x.
	(headers): Add des_crypt.h and key_prot.h.
	(routines): Add auth_des, authdes_prot, des_crypt, des_impl, des_soft,
	key_call, key_prot, netname, openchild, rtime, svcauth_des, xcrypt.
	(distribute): Add des.h.

	* db2/Makefile: Add all headers and other files to distribute.
	(others): Add db_printlog.

	* sysdeps/mach/hurd/Dist: Add net/* headers.
	* sysdeps/mach/hurd/mips/Dist: New file.
	* sysdeps/powerpc/Dist: Add fe_nomask.c and t_sqrt.c.
	* sysdeps/sparc/Dist: Add sys/trap.h.
	* sysdeps/sparc/sparc32/Dist: Remove sys/trap.h.
	* sysdeps/sparc/sparc32/sparcv8/Dist: New file.
	* sysdeps/unix/sysv/linux/mips/Dist: Add sgidefs.h.
	* sysdeps/unix/sysv/linux/sparc/Dist: Add sys/trap.h.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Dist: Remove sys/trap.h.

	Add previously missing assembler files for PPC.
	* sysdeps/powerpc/add_n.s: New file.
	* sysdeps/powerpc/addmul_1.s: New file.
	* sysdeps/powerpc/lshift.s: New file.
	* sysdeps/powerpc/memset.s: New file.
	* sysdeps/powerpc/mul_1.s: New file.
	* sysdeps/powerpc/rshift.s: New file.
	* sysdeps/powerpc/strchr.s: New file.
	* sysdeps/powerpc/strcmp.s: New file.
	* sysdeps/powerpc/sub_n.s: New file.
	* sysdeps/powerpc/submul_1.s: New file.

1997-08-28 18:42  Thorsten Kukuk  <kukuk@uni-paderborn.de>

	* nis/nis_server.c: Rewritten to fix a lot of bugs.

1997-08-28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* md5-crypt/Makefile (LDFLAGS-md5crypt.so, libmd5crypt-map): New
	variables.

	in NLSPATH environment variable.  Patch by HJ Lu <hjl@gnu.ai.mit.edu>.

1 files changed, 118 insertions, 0 deletions

diff --git a/sysdeps/powerpc/strchr.s b/sysdeps/powerpc/strchr.s
new file mode 100644
index 0000000..c1df66f
--- /dev/null
+++ b/sysdeps/powerpc/strchr.s
@@ -0,0 +1,118 @@
+ # Optimized strchr implementation for PowerPC.
+ # Copyright (C) 1997 Free Software Foundation, Inc.
+ # 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.
+
+ # See strlen.s for comments on how this works.
+
+	.section ".text"
+	.align 2
+	.globl strchr
+	.type strchr,@function
+strchr:
+ # char * [r3] strchr (const char *s [r3] , int c [r4] )
+
+ # r0:	a temporary
+ # r3:	our return result.
+ # r4:	byte we're looking for, spread over the whole word
+ # r5:	the current word
+ # r6:	the constant 0xfefefeff (-0x01010101)
+ # r7:	the constant 0x7f7f7f7f
+ # r8:	pointer to the current word.
+ # r9:	a temporary
+ # r10:	the number of bits we should ignore in the first word
+ # r11:	a mask with the bits to ignore set to 0
+ # r12:	a temporary
+	
+	rlwimi %r4,%r4,8,16,23
+	li   %r11,-1
+	rlwimi %r4,%r4,16,0,15
+	lis  %r6,0xfeff
+	lis  %r7,0x7f7f
+	clrrwi %r8,%r3,2
+	addi %r7,%r7,0x7f7f
+	addi %r6,%r6,0xfffffeff
+	rlwinm %r10,%r3,3,27,28
+ # Test the first (partial?) word.
+	lwz  %r5,0(%r8)
+	srw  %r11,%r11,%r10
+	orc  %r5,%r5,%r11
+	add  %r0,%r6,%r5
+	nor  %r9,%r7,%r5
+	and. %r0,%r0,%r9
+	xor  %r12,%r4,%r5
+	orc  %r12,%r12,%r11
+	b    loopentry
+	
+ # The loop.
+
+loop:	lwzu %r5,4(%r8)
+	and. %r0,%r0,%r9
+ # Test for 0
+	add  %r0,%r6,%r5
+	nor  %r9,%r7,%r5
+	bne  foundit
+	and. %r0,%r0,%r9
+ # Start test for the bytes we're looking for
+	xor  %r12,%r4,%r5
+loopentry:
+	add  %r0,%r6,%r12
+	nor  %r9,%r7,%r12
+	beq  loop
+ # There is a zero byte in the word, but may also be a matching byte (either
+ # before or after the zero byte). In fact, we may be looking for a
+ # zero byte, in which case we return a match. We guess that this hasn't
+ # happened, though.
+missed:	
+	and. %r0,%r0,%r9
+	li   %r3,0
+	beqlr
+ # It did happen. Decide which one was first...
+ # I'm not sure if this is actually faster than a sequence of
+ # rotates, compares, and branches (we use it anyway because it's shorter).
+	and  %r6,%r7,%r5
+	or   %r11,%r7,%r5
+	and  %r0,%r7,%r12
+	or   %r10,%r7,%r12
+	add  %r6,%r6,%r7
+	add  %r0,%r0,%r7
+	nor  %r5,%r11,%r6
+	nor  %r9,%r10,%r0
+	cmplw %r5,%r9
+	bgtlr
+	cntlzw %r4,%r9
+	srwi %r4,%r4,3
+	add  %r3,%r8,%r4
+	blr
+
+foundit:
+	and  %r0,%r7,%r12
+	or   %r10,%r7,%r12
+	add  %r0,%r0,%r7
+	nor  %r9,%r10,%r0
+	cntlzw %r4,%r9
+	subi %r8,%r8,4
+	srwi %r4,%r4,3
+	add  %r3,%r8,%r4
+	blr
+
+0:
+	.size	 strchr,0b-strchr
+
+	.globl index
+	.weak index
+	.set index,strchr