Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/vm_version_sparc.cpp
src/cpu/sparc/vm/vm_version_sparc.cpp
- changeset 8924
- 26b1fe7cd851
- parent 8645
- a9bd2ebd8bcc
- child 8729
- 402618d5afc9
- child 8940
- eb9e617d6f64
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replaced
| 8923:82f3ae5b4190 | 8924:26b1fe7cd851 |
|---|---|
| 72 if ((AllocatePrefetchDistance % AllocatePrefetchStepSize) != 0 || | 72 if ((AllocatePrefetchDistance % AllocatePrefetchStepSize) != 0 || |
| 73 (AllocatePrefetchDistance <= 0)) { | 73 (AllocatePrefetchDistance <= 0)) { |
| 74 AllocatePrefetchDistance = AllocatePrefetchStepSize; | 74 AllocatePrefetchDistance = AllocatePrefetchStepSize; |
| 75 } | 75 } |
| 76 | 76 |
| 77 if (AllocatePrefetchStyle == 3 && !has_blk_init()) { | 77 if (AllocatePrefetchStyle == 3 && (!has_blk_init() || cache_line_size <= 0)) { |
| 78 warning("BIS instructions are not available on this CPU"); | 78 warning("BIS instructions are not available on this CPU"); |
| 79 FLAG_SET_DEFAULT(AllocatePrefetchStyle, 1); | 79 FLAG_SET_DEFAULT(AllocatePrefetchStyle, 1); |
| 80 } | 80 } |
| 81 | 81 |
| 82 assert(ArraycopySrcPrefetchDistance < 4096, "invalid value"); | 82 assert(ArraycopySrcPrefetchDistance < 4096, "invalid value"); |
| 136 // aligned on a single instruction boundary | 136 // aligned on a single instruction boundary |
| 137 if (FLAG_IS_DEFAULT(InteriorEntryAlignment)) { | 137 if (FLAG_IS_DEFAULT(InteriorEntryAlignment)) { |
| 138 FLAG_SET_DEFAULT(InteriorEntryAlignment, 4); | 138 FLAG_SET_DEFAULT(InteriorEntryAlignment, 4); |
| 139 } | 139 } |
| 140 if (is_niagara_plus()) { | 140 if (is_niagara_plus()) { |
| 141 if (has_blk_init() && UseTLAB && | 141 if (has_blk_init() && (cache_line_size > 0) && UseTLAB && |
| 142 FLAG_IS_DEFAULT(AllocatePrefetchInstr)) { | 142 FLAG_IS_DEFAULT(AllocatePrefetchInstr)) { |
| 143 // Use BIS instruction for TLAB allocation prefetch. | 143 // Use BIS instruction for TLAB allocation prefetch. |
| 144 FLAG_SET_ERGO(intx, AllocatePrefetchInstr, 1); | 144 FLAG_SET_ERGO(intx, AllocatePrefetchInstr, 1); |
| 145 if (FLAG_IS_DEFAULT(AllocatePrefetchStyle)) { | 145 if (FLAG_IS_DEFAULT(AllocatePrefetchStyle)) { |
| 146 FLAG_SET_ERGO(intx, AllocatePrefetchStyle, 3); | 146 FLAG_SET_ERGO(intx, AllocatePrefetchStyle, 3); |
