35d8090d78
gcc: * config/alpha/crtfastmath.c: Move to ../libgcc/config/alpha. * config/alpha/t-crtfm: Remove. * config/i386/crtfastmath.c: Move to ../libgcc/config/i386. * config/i386/t-crtfm: Remove. * config/ia64/crtfastmath.c: Move to ../libgcc/config/ia64. * config/mips/crtfastmath.c: Move to ../libgcc/config/mips. * config/sparc/crtfastmath.c: Move to ../libgcc/config/sparc. * config/sparc/t-crtfm: Remove. * config.gcc (alpha*-*-linux*): Remove alpha/t-crtfm from tmake_file. (alpha*-*-freebsd*): Likewise. (i[34567]86-*-darwin*): Remove i386/t-crtfm from tmake_file. (x86_64-*-darwin*): Likewise. (i[34567]86-*-linux*): Likewise. (x86_64-*-linux*): Likewise. (x86_64-*-mingw*): Likewise. (ia64*-*-elf*): Remove crtfastmath.o from extra_parts. (ia64*-*-freebsd*): Likewise. (ia64*-*-linux*): Likewise. (mips64*-*-linux*): Likewise. (mips*-*-linux*): Likewise. (sparc-*-linux*): Remove sparc/t-crtfm from tmake_file. (sparc64-*-linux*): Likewise. (sparc64-*-freebsd*): Likewise. libgcc: * config/alpha/crtfastmath.c: New file. * config/i386/crtfastmath.c: New file. * config/ia64/crtfastmath.c: New file. * config/mips/crtfastmath.c: New file. * config/sparc/crtfastmath.c: New file. * config/t-crtfm (crtfastmath.o): Use $(srcdir) to refer to crtfastmath.c. Add -frandom-seed=gcc-crtfastmath. * config/alpha/t-crtfm: Remove. * config/i386/t-crtfm: Use $(srcdir) to refer to crtfastmath.c. * config/ia64/t-ia64 (crtfastmath.o): Remove. * config.host (alpha*-*-linux*): Replace alpha/t-crtfm by t-crtfm. (alpha*-dec-osf5.1*): Likewise. (alpha*-*-freebsd*): Add t-crtfm to tmake_file. Add crtfastmath.o to extra_parts. (i[34567]86-*-darwin*): Add i386/t-crtfm to tmake_file. Add crtfastmath.o to extra_parts. (x86_64-*-darwin*): Likewise. (x86_64-*-mingw*): Likewise. (ia64*-*-elf*): Add t-crtfm to tmake_file. (ia64*-*-freebsd*): Likewise. (ia64*-*-linux*): Likewise. (sparc64-*-freebsd*): Add t-crtfm to tmake_file. Add crtfastmath.o to extra_parts. From-SVN: r176241
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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* Copyright (C) 2001, 2009 Free Software Foundation, Inc.
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* Contributed by Richard Henderson (rth@redhat.com)
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*
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* This file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 3, or (at your option) any
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* later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* Under Section 7 of GPL version 3, you are granted additional
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* permissions described in the GCC Runtime Library Exception, version
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* 3.1, as published by the Free Software Foundation.
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*
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* You should have received a copy of the GNU General Public License and
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* a copy of the GCC Runtime Library Exception along with this program;
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/* Assume OSF/1 compatible interfaces. */
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extern void __ieee_set_fp_control (unsigned long int);
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#define IEEE_MAP_DMZ (1UL<<12) /* Map denorm inputs to zero */
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#define IEEE_MAP_UMZ (1UL<<13) /* Map underflowed outputs to zero */
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static void __attribute__((constructor))
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set_fast_math (void)
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{
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__ieee_set_fp_control (IEEE_MAP_DMZ | IEEE_MAP_UMZ);
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}
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