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comparison src/share/vm/opto/matcher.cpp @ 3854:1af104d6cf99

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7079329: Adjust allocation prefetching for T4 Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes Reviewed-by: iveresov, phh, twisti
author kvn
date Tue, 16 Aug 2011 16:59:46 -0700
parents f1c12354c3f7
children c26de9aef2ed
comparison
equal deleted inserted replaced
3853:11211f7cb5a0 3854:1af104d6cf99
824 // %%% Kludgery. Instead, fix ideal adr_type methods for all these cases: 824 // %%% Kludgery. Instead, fix ideal adr_type methods for all these cases:
825 if (nidx == Compile::AliasIdxTop && midx == Compile::AliasIdxRaw) { 825 if (nidx == Compile::AliasIdxTop && midx == Compile::AliasIdxRaw) {
826 switch (n->Opcode()) { 826 switch (n->Opcode()) {
827 case Op_PrefetchRead: 827 case Op_PrefetchRead:
828 case Op_PrefetchWrite: 828 case Op_PrefetchWrite:
829 case Op_PrefetchAllocation:
829 nidx = Compile::AliasIdxRaw; 830 nidx = Compile::AliasIdxRaw;
830 nat = TypeRawPtr::BOTTOM; 831 nat = TypeRawPtr::BOTTOM;
831 break; 832 break;
832 } 833 }
833 } 834 }