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author	Loren J. Rittle <ljrittle@acm.org>	2002-10-22 09:35:10 +0000
committer	Loren J. Rittle <ljrittle@gcc.gnu.org>	2002-10-22 09:35:10 +0000
commit	312af83702d437edfca82e98fb7ee31bbfd3c7de (patch)
tree	edbe024a71457795f1334045ad982796becb7368 /gcc/ada/sinput-d.adb
parent	8fe734a3fed78612103e1821e70871b0250c764e (diff)
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numeric_limits.cc (test_extrema<long double>): Remove specialization for FreeBSD systems.

* testsuite/18_support/numeric_limits.cc (test_extrema<long double>): Remove specialization for FreeBSD systems. From-SVN: r58409

Diffstat (limited to 'gcc/ada/sinput-d.adb')

0 files changed, 0 insertions, 0 deletions

he 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/>. */ #define LAT_STORE_N #include "libatomic_i.h" /* If we support the builtin, just use it. */ #if !DONE && SIZE(HAVE_ATOMIC_LDST) void SIZE(libat_store) (UTYPE *mptr, UTYPE newval, int smodel) { if (maybe_specialcase_relaxed(smodel)) __atomic_store_n (mptr, newval, __ATOMIC_RELAXED); else if (maybe_specialcase_acqrel(smodel)) /* Note that ACQ and ACQ_REL are not valid for store. */ __atomic_store_n (mptr, newval, __ATOMIC_RELEASE); else __atomic_store_n (mptr, newval, __ATOMIC_SEQ_CST); } #define DONE 1 #endif /* HAVE_ATOMIC_STORE */ /* If we have compare-and-swap, use it perform the store. */ #if !DONE && defined(atomic_compare_exchange_n) void SIZE(libat_store) (UTYPE *mptr, UTYPE newval, int smodel) { UTYPE oldval; pre_barrier (smodel); oldval = *mptr; while (!atomic_compare_exchange_n (mptr, &oldval, newval, true, __ATOMIC_RELAXED, __ATOMIC_RELAXED)) continue; post_barrier (smodel); } #define DONE 1 #endif /* atomic_compare_exchange_n */ /* If this type is smaller than word-sized, fall back to a word-sized compare-and-swap loop. */ #if !DONE && N < WORDSIZE && defined(atomic_compare_exchange_w) void SIZE(libat_store) (UTYPE *mptr, UTYPE newval, int smodel) { UWORD mask, shift, woldval, wnewval, t, *wptr; pre_barrier (smodel); wptr = (UWORD *)((uintptr_t)mptr & -WORDSIZE); shift = (((uintptr_t)mptr % WORDSIZE) * CHAR_BIT) ^ SIZE(INVERT_MASK); mask = SIZE(MASK) << shift; wnewval = (UWORD)newval << shift; woldval = __atomic_load_n (wptr, __ATOMIC_RELAXED); do { t = (woldval & ~mask) | wnewval; } while (!atomic_compare_exchange_w (wptr, &woldval, t)); post_barrier (smodel); } #define DONE 1 #endif /* N < WORDSIZE && atomic_compare_exchange_w */ /* Otherwise, fall back to some sort of protection mechanism. */ #if !DONE void SIZE(libat_store) (UTYPE *mptr, UTYPE newval, int smodel) { UWORD magic; pre_seq_barrier (smodel); magic = protect_start (mptr); *mptr = newval; protect_end (mptr, magic); post_seq_barrier (smodel); } #endif EXPORT_ALIAS (SIZE(store)); #undef LAT_STORE_N


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