mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-12 00:00:06 +00:00
4ca84cff3b
* hurd/hurdmsg.c (_S_msg_report_wait): Function removed. * hurd/report-wait.c: New file. * hurd/Makefile (routines): Added report-wait. * sysdeps/mach/hurd/Makefile (inhibit-unix-syscalls): New variable. * sysdeps/mach/hurd/i386/intr-msg.h (struct mach_msg_trap_args): New type. (SYSCALL_EXAMINE, MSG_EXAMINE): New inline functions. * sysdeps/mach/hurd/i386/trampoline.c (struct mach_msg_trap_args): Structure moved to intr-msg.h; include that. * time/Makefile (CFLAGS-ialloc.c): Add -Wno-unused. (CFLAGS-scheck.c): New variable. * sysdeps/mach/hurd/dl-sysdep.c (__hurd_sigthread_stack_base, __hurd_sigthread_stack_end, __hurd_sigthread_variables, __hurd_threadvar_stack_mask): New variables. * sysdeps/mach/hurd/fork.c: Set the new task's exception port to its new message port. * misc/init-misc.c: Put __init_misc in the __libc_subinit set. * configure.in (uname): Add quoting. * sysdeps/mach/hurd/fchdir.c: Don't consult errno unless lookup fails. * hurd/fchroot.c: Likewise. * posix/sys/types.h [GCC >= 2.7]: Define intN_t/u_intN_t using __attribute__ ((__mode__ (__XX__))). Wed Feb 7 03:24:05 1996 Torbjorn Granlund <tege@tmg.se> * sysdeps/i386/i586/memcopy.h (WORD_COPY_FWD): Manually allocate destination cache lines. (WORD_COPY_BWD): Likewise. Wed Feb 7 14:16:36 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/generic/Makefile (make_siglist): Get signum.h absolute file name first thing, before $(native-compile) changes directories. From Gord Matzigkeit <gord@enci.ucalgary.ca>: * sysdeps/unix/make_errlist.c: Use strerror if available. * sysdeps/unix/configure.in: New file * sysdeps/unix/bsd/sun/syscalls.list: Added sigvec. * sysdeps/unix/bsd/sun/sigvec.S: File removed. * sysdeps/stub/sendto.c: Make sockaddr arg pointer to const. * sysdeps/stub/connect.c: Likewise. * sysdeps/stub/bind.c: Likewise. * hurd/hurdlookup.c (__hurd_file_name_lookup_retry): RETRYNAME of "" is only special for FS_RETRY_NORMAL; for FS_RETRY_REAUTH, do another dir_lookup of "".
99 lines
3.4 KiB
C
99 lines
3.4 KiB
C
/* memcopy.h -- definitions for memory copy functions. Pentium version.
|
|
Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
|
|
Contributed by Torbjorn Granlund (tege@sics.se).
|
|
|
|
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., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/* Get the i386 definitions. We will override some of them below. */
|
|
#include_next <memcopy.h>
|
|
|
|
|
|
/* Written like this, the Pentium pipeline can execute the loop at a
|
|
sustained rate of 2 instructions/clock, or asymptotically 480
|
|
Mbytes/second at 60Mhz. */
|
|
|
|
#undef WORD_COPY_FWD
|
|
#define WORD_COPY_FWD(dst_bp, src_bp, nbytes_left, nbytes) \
|
|
do \
|
|
{ \
|
|
asm volatile ("subl $32,%2\n" \
|
|
"js 2f\n" \
|
|
"movl 0(%0),%%edx\n" /* alloc dest line */ \
|
|
"1:\n" \
|
|
"movl 28(%0),%%eax\n" /* alloc dest line */ \
|
|
"subl $32,%2\n" /* decr loop count */ \
|
|
"movl 0(%1),%%eax\n" /* U pipe */ \
|
|
"movl 4(%1),%%edx\n" /* V pipe */ \
|
|
"movl %%eax,0(%0)\n" /* U pipe */ \
|
|
"movl %%edx,4(%0)\n" /* V pipe */ \
|
|
"movl 8(%1),%%eax\n" \
|
|
"movl 12(%1),%%edx\n" \
|
|
"movl %%eax,8(%0)\n" \
|
|
"movl %%edx,12(%0)\n" \
|
|
"movl 16(%1),%%eax\n" \
|
|
"movl 20(%1),%%edx\n" \
|
|
"movl %%eax,16(%0)\n" \
|
|
"movl %%edx,20(%0)\n" \
|
|
"movl 24(%1),%%eax\n" \
|
|
"movl 28(%1),%%edx\n" \
|
|
"movl %%eax,24(%0)\n" \
|
|
"movl %%edx,28(%0)\n" \
|
|
"leal 32(%1),%1\n" /* update src ptr */ \
|
|
"leal 32(%0),%0\n" /* update dst ptr */ \
|
|
"jns 1b\n" \
|
|
"2: addl $32,%2" : \
|
|
"=r" (dst_bp), "=r" (src_bp), "=r" (nbytes_left) : \
|
|
"0" (dst_bp), "1" (src_bp), "2" (nbytes) : \
|
|
"ax", "dx"); \
|
|
} while (0)
|
|
|
|
#undef WORD_COPY_BWD
|
|
#define WORD_COPY_BWD(dst_ep, src_ep, nbytes_left, nbytes) \
|
|
do \
|
|
{ \
|
|
asm volatile ("subl $32,%2\n" \
|
|
"js 2f\n" \
|
|
"movl -4(%0),%%edx\n" \
|
|
"1:\n" \
|
|
"movl -32(%0),%%eax\n" \
|
|
"subl $32,%2\n" \
|
|
"movl -4(%1),%%eax\n" \
|
|
"movl -8(%1),%%edx\n" \
|
|
"movl %%eax,-4(%0)\n" \
|
|
"movl %%edx,-8(%0)\n" \
|
|
"movl -12(%1),%%eax\n" \
|
|
"movl -16(%1),%%edx\n" \
|
|
"movl %%eax,-12(%0)\n" \
|
|
"movl %%edx,-16(%0)\n" \
|
|
"movl -20(%1),%%eax\n" \
|
|
"movl -24(%1),%%edx\n" \
|
|
"movl %%eax,-20(%0)\n" \
|
|
"movl %%edx,-24(%0)\n" \
|
|
"movl -28(%1),%%eax\n" \
|
|
"movl -32(%1),%%edx\n" \
|
|
"movl %%eax,-28(%0)\n" \
|
|
"movl %%edx,-32(%0)\n" \
|
|
"leal -32(%1),%1\n" \
|
|
"leal -32(%0),%0\n" \
|
|
"jns 1b\n" \
|
|
"2: addl $32,%2" : \
|
|
"=r" (dst_ep), "=r" (src_ep), "=r" (nbytes_left) : \
|
|
"0" (dst_ep), "1" (src_ep), "2" (nbytes) : \
|
|
"ax", "dx"); \
|
|
} while (0)
|