diff options
author | Vladimir Makarov <vmakarov@redhat.com> | 2008-08-01 14:43:22 +0000 |
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committer | Vladimir Makarov <vmakarov@redhat.com> | 2008-08-01 14:43:22 +0000 |
commit | 6b0f53c57a3fe90b5aff160ae0c75c9c3ebc3809 (patch) | |
tree | 0bb2ac662bea085b36093d7086806c7c814b0d31 /libgomp | |
parent | 5a5cfb65e55cd766d62c9cc7e8bf3f56602e9bb4 (diff) |
Merger with trunk @ 138422
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ira@138523 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgomp')
-rw-r--r-- | libgomp/ChangeLog | 11 | ||||
-rw-r--r-- | libgomp/config/linux/mips/futex.h | 75 | ||||
-rw-r--r-- | libgomp/configure.tgt | 4 | ||||
-rw-r--r-- | libgomp/libgomp.texi | 7 |
4 files changed, 93 insertions, 4 deletions
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog index ded506b0636..efa3639920d 100644 --- a/libgomp/ChangeLog +++ b/libgomp/ChangeLog @@ -1,3 +1,14 @@ +2008-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * libgomp.texi: Update to GFDL 1.2. Update copyright years. + Do not list GPL as Invariant Section. + +2008-07-28 Ilie Garbacea <ilie@mips.com> + Chao-ying Fu <fu@mips.com> + + * configure.tgt: Enable futex for MIPS. + * config/linux/mips/futex.h: New file. + 2008-07-16 Jakub Jelinek <jakub@redhat.com> * team.c (gomp_team_end): Free team immediately if it has diff --git a/libgomp/config/linux/mips/futex.h b/libgomp/config/linux/mips/futex.h new file mode 100644 index 00000000000..9327cc84a49 --- /dev/null +++ b/libgomp/config/linux/mips/futex.h @@ -0,0 +1,75 @@ +/* Copyright (C) 2005, 2008 Free Software Foundation, Inc. + Contributed by Ilie Garbacea <ilie@mips.com>, Chao-ying Fu <fu@mips.com>. + + This file is part of the GNU OpenMP Library (libgomp). + + Libgomp is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + Libgomp 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 Lesser General Public License for + more details. + + You should have received a copy of the GNU Lesser General Public License + along with libgomp; see the file COPYING.LIB. If not, write to the + Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* As a special exception, if you link this library with other files, some + of which are compiled with GCC, to produce an executable, this library + does not by itself cause the resulting executable to be covered by the + GNU General Public License. This exception does not however invalidate + any other reasons why the executable file might be covered by the GNU + General Public License. */ + +/* Provide target-specific access to the futex system call. */ + +#include <sys/syscall.h> +#define FUTEX_WAIT 0 +#define FUTEX_WAKE 1 + +static inline void +sys_futex0 (int *addr, int op, int val) +{ + register unsigned long __v0 asm("$2") = (unsigned long) SYS_futex; + register unsigned long __a0 asm("$4") = (unsigned long) addr; + register unsigned long __a1 asm("$5") = (unsigned long) op; + register unsigned long __a2 asm("$6") = (unsigned long) val; + register unsigned long __a3 asm("$7") = 0; + + __asm volatile ("syscall" + /* returns $a3 (errno), $v0 (return value) */ + : "=r" (__v0), "=r" (__a3) + /* arguments in v0 (syscall) a0-a3 */ + : "r" (__v0), "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a3) + /* clobbers at, v1, t0-t9, memory */ + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", "$14", + "$15", "$24", "$25", "memory"); +} + +static inline void +futex_wait (int *addr, int val) +{ + sys_futex0 (addr, FUTEX_WAIT, val); +} + +static inline void +futex_wake (int *addr, int count) +{ + sys_futex0 (addr, FUTEX_WAKE, count); +} + +static inline void +cpu_relax (void) +{ + __asm volatile ("" : : : "memory"); +} + +static inline void +atomic_write_barrier (void) +{ + __sync_synchronize (); +} diff --git a/libgomp/configure.tgt b/libgomp/configure.tgt index 68115abf71d..ef44a12a4bd 100644 --- a/libgomp/configure.tgt +++ b/libgomp/configure.tgt @@ -35,6 +35,10 @@ if test $enable_linux_futex = yes; then config_path="linux/ia64 linux posix" ;; + mips*-*-linux*) + config_path="linux/mips linux posix" + ;; + powerpc*-*-linux*) config_path="linux/powerpc linux posix" ;; diff --git a/libgomp/libgomp.texi b/libgomp/libgomp.texi index 6794ebe9335..edc37904b71 100644 --- a/libgomp/libgomp.texi +++ b/libgomp/libgomp.texi @@ -7,13 +7,12 @@ @copying -Copyright @copyright{} 2006 Free Software Foundation, Inc. +Copyright @copyright{} 2006, 2007, 2008 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.1 or +under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with the -Invariant Sections being ``GNU General Public License'' and ``Funding -Free Software'', the Front-Cover +Invariant Sections being ``Funding Free Software'', the Front-Cover texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the section entitled ``GNU Free Documentation License''. |