Mercurial > hg > truffle
diff src/share/vm/opto/matcher.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 |
---|---|
date | Tue, 22 Jan 2013 15:34:16 -0800 |
parents | 2aff40cb4703 |
children | 603ca7e51354 d2907f74462e |
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--- a/src/share/vm/opto/matcher.cpp Tue Jan 22 11:31:25 2013 -0800 +++ b/src/share/vm/opto/matcher.cpp Tue Jan 22 15:34:16 2013 -0800 @@ -919,6 +919,7 @@ case Op_AryEq: case Op_MemBarVolatile: case Op_MemBarCPUOrder: // %%% these ideals should have narrower adr_type? + case Op_EncodeISOArray: nidx = Compile::AliasIdxTop; nat = NULL; break; @@ -1982,6 +1983,7 @@ case Op_StrEquals: case Op_StrIndexOf: case Op_AryEq: + case Op_EncodeISOArray: set_shared(n); // Force result into register (it will be anyways) break; case Op_ConP: { // Convert pointers above the centerline to NUL @@ -2183,6 +2185,13 @@ n->del_req(4); break; } + case Op_EncodeISOArray: { + // Restructure into a binary tree for Matching. + Node* pair = new (C) BinaryNode(n->in(3), n->in(4)); + n->set_req(3, pair); + n->del_req(4); + break; + } default: break; }