diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/ia64/crtfastmath.c')
-rw-r--r-- | gcc-4.9/libgcc/config/ia64/crtfastmath.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/ia64/crtfastmath.c b/gcc-4.9/libgcc/config/ia64/crtfastmath.c new file mode 100644 index 000000000..34b679236 --- /dev/null +++ b/gcc-4.9/libgcc/config/ia64/crtfastmath.c @@ -0,0 +1,34 @@ +/* Copyright (C) 2001-2014 Free Software Foundation, Inc. + Contributed by David Mosberger <davidm@hpl.hp.com>. + + This file is part of GCC. + + GCC 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. + + GCC 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/>. */ + +/* We could call fesetenv() here but that would create a confusing + dependency on libm (since that is where fesetenv() gets defined. + To avoid this, just do everything locally. */ +#define FE_NONIEEE_ENV 0x0009a04d0270037f + +static void __attribute__((constructor)) +__ia64_set_fast_math (void) +{ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r"(FE_NONIEEE_ENV)); +} |