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comparison src/cpu/sparc/vm/vm_version_sparc.cpp @ 6795:7eca5de9e0b6

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7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() Summary: use shorter instruction sequences for atomic add and atomic exchange when possible. Reviewed-by: kvn, jrose
author roland
date Thu, 20 Sep 2012 16:49:17 +0200
parents f99a36499b8c
children 3a327d0b8586
comparison
equal deleted inserted replaced
6794:8ae8f9dd7099 6795:7eca5de9e0b6
94 } 94 }
95 95
96 UseSSE = 0; // Only on x86 and x64 96 UseSSE = 0; // Only on x86 and x64
97 97
98 _supports_cx8 = has_v9(); 98 _supports_cx8 = has_v9();
99 _supports_atomic_getset4 = true; // swap instruction
99 100
100 if (is_niagara()) { 101 if (is_niagara()) {
101 // Indirect branch is the same cost as direct 102 // Indirect branch is the same cost as direct
102 if (FLAG_IS_DEFAULT(UseInlineCaches)) { 103 if (FLAG_IS_DEFAULT(UseInlineCaches)) {
103 FLAG_SET_DEFAULT(UseInlineCaches, false); 104 FLAG_SET_DEFAULT(UseInlineCaches, false);