Mercurial > hg > truffle
comparison src/share/vm/opto/loopTransform.cpp @ 7637:b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Summary: Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.
Reviewed-by: roland
author | kvn |
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date | Tue, 22 Jan 2013 15:34:16 -0800 |
parents | 2aff40cb4703 |
children | b5cb079ecaa4 |
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7636:a7114d3d712e | 7637:b30b3c2a0cf2 |
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611 Node* n = _body.at(k); | 611 Node* n = _body.at(k); |
612 switch (n->Opcode()) { | 612 switch (n->Opcode()) { |
613 case Op_StrComp: | 613 case Op_StrComp: |
614 case Op_StrEquals: | 614 case Op_StrEquals: |
615 case Op_StrIndexOf: | 615 case Op_StrIndexOf: |
616 case Op_EncodeISOArray: | |
616 case Op_AryEq: { | 617 case Op_AryEq: { |
617 return false; | 618 return false; |
618 } | 619 } |
619 } // switch | 620 } // switch |
620 } | 621 } |
715 case Op_DivL: body_size += 30; break; | 716 case Op_DivL: body_size += 30; break; |
716 case Op_MulL: body_size += 10; break; | 717 case Op_MulL: body_size += 10; break; |
717 case Op_StrComp: | 718 case Op_StrComp: |
718 case Op_StrEquals: | 719 case Op_StrEquals: |
719 case Op_StrIndexOf: | 720 case Op_StrIndexOf: |
721 case Op_EncodeISOArray: | |
720 case Op_AryEq: { | 722 case Op_AryEq: { |
721 // Do not unroll a loop with String intrinsics code. | 723 // Do not unroll a loop with String intrinsics code. |
722 // String intrinsics are large and have loops. | 724 // String intrinsics are large and have loops. |
723 return false; | 725 return false; |
724 } | 726 } |