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comparison src/os_cpu/linux_ppc/vm/orderAccess_linux_ppc.inline.hpp @ 14445:67fa91961822

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8029940: PPC64 (part 122): C2 compiler port Reviewed-by: kvn
author goetz
date Wed, 11 Dec 2013 00:06:11 +0100
parents ec28f9c041ff
children
comparison
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14444:492e67693373 14445:67fa91961822
38 // 38 //
39 // Machine barrier instructions: 39 // Machine barrier instructions:
40 // 40 //
41 // - sync Two-way memory barrier, aka fence. 41 // - sync Two-way memory barrier, aka fence.
42 // - lwsync orders Store|Store, 42 // - lwsync orders Store|Store,
43 // Load|Store, 43 // Load|Store,
44 // Load|Load, 44 // Load|Load,
45 // but not Store|Load 45 // but not Store|Load
46 // - eieio orders Store|Store 46 // - eieio orders Store|Store
47 // - isync Invalidates speculatively executed instructions, 47 // - isync Invalidates speculatively executed instructions,
48 // but isync may complete before storage accesses 48 // but isync may complete before storage accesses
49 // associated with instructions preceding isync have 49 // associated with instructions preceding isync have
50 // been performed. 50 // been performed.
51 // 51 //
52 // Semantic barrier instructions: 52 // Semantic barrier instructions:
53 // (as defined in orderAccess.hpp) 53 // (as defined in orderAccess.hpp)
54 // 54 //
55 // - release orders Store|Store, (maps to lwsync) 55 // - release orders Store|Store, (maps to lwsync)
56 // Load|Store 56 // Load|Store
57 // - acquire orders Load|Store, (maps to lwsync) 57 // - acquire orders Load|Store, (maps to lwsync)
58 // Load|Load 58 // Load|Load
59 // - fence orders Store|Store, (maps to sync) 59 // - fence orders Store|Store, (maps to sync)
60 // Load|Store, 60 // Load|Store,
61 // Load|Load, 61 // Load|Load,
62 // Store|Load 62 // Store|Load
63 // 63 //
64 64
65 #define inlasm_sync() __asm__ __volatile__ ("sync" : : : "memory"); 65 #define inlasm_sync() __asm__ __volatile__ ("sync" : : : "memory");
66 #define inlasm_lwsync() __asm__ __volatile__ ("lwsync" : : : "memory"); 66 #define inlasm_lwsync() __asm__ __volatile__ ("lwsync" : : : "memory");
67 #define inlasm_eieio() __asm__ __volatile__ ("eieio" : : : "memory"); 67 #define inlasm_eieio() __asm__ __volatile__ ("eieio" : : : "memory");