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| author | Ivan Maidanski <ivmai@mail.ru> | 2011-07-26 17:46:13 +0400 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2011-07-26 17:46:13 +0400 |
| commit | 1b159c5602737076356b862a8d2205bb13b34909 (patch) | |
| tree | 5f2cfffa8f8ab056fdd895285801a006519be135 /include/private/gc_locks.h | |
| parent | 8c9e394bc270dbaa121f3f0af5a68c2876ab3fff (diff) | |
| download | bdwgc-1b159c5602737076356b862a8d2205bb13b34909.tar.gz | |
gc6.3alpha4 tarball importgc6_3alpha4
Diffstat (limited to 'include/private/gc_locks.h')
| -rw-r--r-- | include/private/gc_locks.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/private/gc_locks.h b/include/private/gc_locks.h index a079ebf8..df8043b6 100644 --- a/include/private/gc_locks.h +++ b/include/private/gc_locks.h @@ -100,17 +100,29 @@ # define GC_TEST_AND_SET_DEFINED # endif # if defined(IA64) +# if defined(__INTEL_COMPILER) +# include <ia64intrin.h> +# endif inline static int GC_test_and_set(volatile unsigned int *addr) { long oldval, n = 1; +# ifndef __INTEL_COMPILER __asm__ __volatile__("xchg4 %0=%1,%2" : "=r"(oldval), "=m"(*addr) : "r"(n), "1"(*addr) : "memory"); +# else + oldval = _InterlockedExchange(addr, n); +# endif return oldval; } # define GC_TEST_AND_SET_DEFINED /* Should this handle post-increment addressing?? */ inline static void GC_clear(volatile unsigned int *addr) { +# ifndef __INTEL_COMPILER __asm__ __volatile__("st4.rel %0=r0" : "=m" (*addr) : : "memory"); +# else + // there is no st4 but I can use xchg I hope + _InterlockedExchange(addr, 0); +# endif } # define GC_CLEAR_DEFINED # endif |