Mercurial > hg > graal-jvmci-8
comparison src/os_cpu/windows_x86/vm/os_windows_x86.hpp @ 671:d0994e5bebce
6822204: volatile fences should prefer lock:addl to actual mfence instructions
Reviewed-by: kvn, phh
author | never |
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date | Thu, 26 Mar 2009 14:31:45 -0700 |
parents | a61af66fc99e |
children | bd02caa94611 |
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668:90a66aa50514 | 671:d0994e5bebce |
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33 static jlong (*atomic_cmpxchg_long_func) (jlong, volatile jlong*, jlong); | 33 static jlong (*atomic_cmpxchg_long_func) (jlong, volatile jlong*, jlong); |
34 | 34 |
35 static jint (*atomic_add_func) (jint, volatile jint*); | 35 static jint (*atomic_add_func) (jint, volatile jint*); |
36 static intptr_t (*atomic_add_ptr_func) (intptr_t, volatile intptr_t*); | 36 static intptr_t (*atomic_add_ptr_func) (intptr_t, volatile intptr_t*); |
37 | 37 |
38 static void (*fence_func) (); | |
39 | |
40 | |
41 static jint atomic_xchg_bootstrap (jint, volatile jint*); | 38 static jint atomic_xchg_bootstrap (jint, volatile jint*); |
42 static intptr_t atomic_xchg_ptr_bootstrap (intptr_t, volatile intptr_t*); | 39 static intptr_t atomic_xchg_ptr_bootstrap (intptr_t, volatile intptr_t*); |
43 | 40 |
44 static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint); | 41 static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint); |
45 #else | 42 #else |
51 static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong); | 48 static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong); |
52 | 49 |
53 #ifdef AMD64 | 50 #ifdef AMD64 |
54 static jint atomic_add_bootstrap (jint, volatile jint*); | 51 static jint atomic_add_bootstrap (jint, volatile jint*); |
55 static intptr_t atomic_add_ptr_bootstrap (intptr_t, volatile intptr_t*); | 52 static intptr_t atomic_add_ptr_bootstrap (intptr_t, volatile intptr_t*); |
56 | |
57 static void fence_bootstrap (); | |
58 #endif // AMD64 | 53 #endif // AMD64 |
59 | 54 |
60 static void setup_fpu(); | 55 static void setup_fpu(); |
61 static bool supports_sse() { return true; } | 56 static bool supports_sse() { return true; } |
62 | 57 |