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author | Dan Albert <danalbert@google.com> | 2016-02-24 13:48:45 -0800 |
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committer | Dan Albert <danalbert@google.com> | 2016-02-24 13:51:18 -0800 |
commit | b9de1157289455b0ca26daff519d4a0ddcd1fa13 (patch) | |
tree | 4c56cc0a34b91f17033a40a455f26652304f7b8d /gcc-4.8.3/libgomp/config/mingw32 | |
parent | 098157a754787181cfa10e71325832448ddcea98 (diff) | |
download | toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.gz toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.tar.bz2 toolchain_gcc-b9de1157289455b0ca26daff519d4a0ddcd1fa13.zip |
Update 4.8.1 to 4.8.3.
My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).
From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.
Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35
Diffstat (limited to 'gcc-4.8.3/libgomp/config/mingw32')
-rw-r--r-- | gcc-4.8.3/libgomp/config/mingw32/proc.c | 80 | ||||
-rw-r--r-- | gcc-4.8.3/libgomp/config/mingw32/time.c | 46 |
2 files changed, 126 insertions, 0 deletions
diff --git a/gcc-4.8.3/libgomp/config/mingw32/proc.c b/gcc-4.8.3/libgomp/config/mingw32/proc.c new file mode 100644 index 000000000..8e8318f30 --- /dev/null +++ b/gcc-4.8.3/libgomp/config/mingw32/proc.c @@ -0,0 +1,80 @@ +/* Copyright (C) 2007-2013 Free Software Foundation, Inc. + Contributed by Danny Smith <dannysmith@users.sourceforge.net> + + 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 General Public License as published by + the Free Software Foundation; either version 3, 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 General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +/* This file contains system specific routines related to counting + online processors and dynamic load balancing. It is expected that + a system may well want to write special versions of each of these. + + The following implementation uses win32 API routines. */ + +#include "libgomp.h" +#include <windows.h> + +/* Count the CPU's currently available to this process. */ +static unsigned int +count_avail_process_cpus () +{ + DWORD_PTR process_cpus; + DWORD_PTR system_cpus; + + if (GetProcessAffinityMask (GetCurrentProcess (), + &process_cpus, &system_cpus)) + { + unsigned int count; + for (count = 0; process_cpus != 0; process_cpus >>= 1) + if (process_cpus & 1) + count++; + return count; + } + return 1; +} + +/* At startup, determine the default number of threads. It would seem + this should be related to the number of cpus available to the process. */ + +void +gomp_init_num_threads (void) +{ + gomp_global_icv.nthreads_var = count_avail_process_cpus (); +} + +/* When OMP_DYNAMIC is set, at thread launch determine the number of + threads we should spawn for this team. FIXME: How do we adjust for + load average on MS Windows? */ + +unsigned +gomp_dynamic_max_threads (void) +{ + unsigned int n_onln = count_avail_process_cpus (); + unsigned int nthreads_var = gomp_icv (false)->nthreads_var; + return n_onln > nthreads_var ? nthreads_var : n_onln; +} + +int +omp_get_num_procs (void) +{ + return count_avail_process_cpus (); +} + +ialias (omp_get_num_procs) diff --git a/gcc-4.8.3/libgomp/config/mingw32/time.c b/gcc-4.8.3/libgomp/config/mingw32/time.c new file mode 100644 index 000000000..cbde6d0c8 --- /dev/null +++ b/gcc-4.8.3/libgomp/config/mingw32/time.c @@ -0,0 +1,46 @@ +/* Copyright (C) 2006-2013 Free Software Foundation, Inc. + Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr> + + 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 General Public License as published by + the Free Software Foundation; either version 3, 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 General Public License for + more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +/* This file contains timer routines for mingw32. */ + +#include "libgomp.h" +#include <unistd.h> +#include <sys/timeb.h> + +double +omp_get_wtime (void) +{ + struct _timeb timebuf; + _ftime (&timebuf); + return (timebuf.time + (long)(timebuf.millitm) / 1e3); +} + +double +omp_get_wtick (void) +{ + return 1e-3; +} + +ialias (omp_get_wtime) +ialias (omp_get_wtick) |