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.
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Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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Contributed by Torbjorn Granlund (tege@sics.se).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* Get the i386 definitions. We will override some of them below. */
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#include_next <memcopy.h>
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/* Written like this, the Pentium pipeline can execute the loop at a
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sustained rate of 2 instructions/clock, or asymptotically 480
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Mbytes/second at 60Mhz. */
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#undef WORD_COPY_FWD
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#define WORD_COPY_FWD(dst_bp, src_bp, nbytes_left, nbytes) \
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do \
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{ \
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asm volatile ("subl $32,%2\n" \
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"js 2f\n" \
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"movl 0(%0),%%edx\n" /* alloc dest line */ \
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"1:\n" \
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"movl 28(%0),%%eax\n" /* alloc dest line */ \
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"subl $32,%2\n" /* decr loop count */ \
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"movl 0(%1),%%eax\n" /* U pipe */ \
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"movl 4(%1),%%edx\n" /* V pipe */ \
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"movl %%eax,0(%0)\n" /* U pipe */ \
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"movl %%edx,4(%0)\n" /* V pipe */ \
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"movl 8(%1),%%eax\n" \
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"movl 12(%1),%%edx\n" \
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"movl %%eax,8(%0)\n" \
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"movl %%edx,12(%0)\n" \
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"movl 16(%1),%%eax\n" \
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"movl 20(%1),%%edx\n" \
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"movl %%eax,16(%0)\n" \
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"movl %%edx,20(%0)\n" \
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"movl 24(%1),%%eax\n" \
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"movl 28(%1),%%edx\n" \
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"movl %%eax,24(%0)\n" \
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"movl %%edx,28(%0)\n" \
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"leal 32(%1),%1\n" /* update src ptr */ \
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"leal 32(%0),%0\n" /* update dst ptr */ \
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"jns 1b\n" \
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"2: addl $32,%2" : \
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"=r" (dst_bp), "=r" (src_bp), "=r" (nbytes_left) : \
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"0" (dst_bp), "1" (src_bp), "2" (nbytes) : \
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"ax", "dx"); \
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} while (0)
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#undef WORD_COPY_BWD
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#define WORD_COPY_BWD(dst_ep, src_ep, nbytes_left, nbytes) \
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do \
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{ \
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asm volatile ("subl $32,%2\n" \
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"js 2f\n" \
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"movl -4(%0),%%edx\n" \
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"1:\n" \
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"movl -32(%0),%%eax\n" \
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"subl $32,%2\n" \
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"movl -4(%1),%%eax\n" \
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"movl -8(%1),%%edx\n" \
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"movl %%eax,-4(%0)\n" \
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"movl %%edx,-8(%0)\n" \
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"movl -12(%1),%%eax\n" \
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"movl -16(%1),%%edx\n" \
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"movl %%eax,-12(%0)\n" \
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"movl %%edx,-16(%0)\n" \
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"movl -20(%1),%%eax\n" \
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"movl -24(%1),%%edx\n" \
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"movl %%eax,-20(%0)\n" \
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"movl %%edx,-24(%0)\n" \
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"movl -28(%1),%%eax\n" \
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"movl -32(%1),%%edx\n" \
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"movl %%eax,-28(%0)\n" \
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"movl %%edx,-32(%0)\n" \
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"leal -32(%1),%1\n" \
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"leal -32(%0),%0\n" \
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"jns 1b\n" \
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"2: addl $32,%2" : \
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"=r" (dst_ep), "=r" (src_ep), "=r" (nbytes_left) : \
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"0" (dst_ep), "1" (src_ep), "2" (nbytes) : \
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"ax", "dx"); \
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} while (0)
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