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comparison src/cpu/sparc/vm/vm_version_sparc.cpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents 28372612af5e
children d1605aabd0a1
comparison
equal deleted inserted replaced
110:a49a647afe9a 113:ba764ed4b6f2
62 if (is_niagara1()) { 62 if (is_niagara1()) {
63 // Indirect branch is the same cost as direct 63 // Indirect branch is the same cost as direct
64 if (FLAG_IS_DEFAULT(UseInlineCaches)) { 64 if (FLAG_IS_DEFAULT(UseInlineCaches)) {
65 UseInlineCaches = false; 65 UseInlineCaches = false;
66 } 66 }
67 #ifdef _LP64
68 // Single issue niagara1 is slower for CompressedOops
69 // but niagaras after that it's fine.
70 if (!is_niagara1_plus()) {
71 if (FLAG_IS_DEFAULT(UseCompressedOops)) {
72 FLAG_SET_ERGO(bool, UseCompressedOops, false);
73 }
74 }
75 #endif // _LP64
67 #ifdef COMPILER2 76 #ifdef COMPILER2
68 // Indirect branch is the same cost as direct 77 // Indirect branch is the same cost as direct
69 if (FLAG_IS_DEFAULT(UseJumpTables)) { 78 if (FLAG_IS_DEFAULT(UseJumpTables)) {
70 UseJumpTables = true; 79 UseJumpTables = true;
71 } 80 }