Mercurial > hg > graal-jvmci-8
changeset 11419:2fac92eb4559
limit length of arraycopy snippet unrolling
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Thu, 22 Aug 2013 14:45:40 +0200 |
parents | 8933659076d3 |
children | 7c4c1a7c875a |
files | graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ArrayCopyNode.java |
diffstat | 1 files changed, 2 insertions(+), 1 deletions(-) [+] |
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--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ArrayCopyNode.java Wed Aug 21 15:31:10 2013 +0200 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ArrayCopyNode.java Thu Aug 22 14:45:40 2013 +0200 @@ -32,6 +32,7 @@ import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; import com.oracle.graal.nodes.virtual.*; +import com.oracle.graal.phases.*; import com.oracle.graal.phases.common.*; import com.oracle.graal.phases.tiers.*; import com.oracle.graal.replacements.nodes.*; @@ -105,7 +106,7 @@ } else { assert snippetGraph != null : "ArrayCopySnippets should be installed"; - if (getLength().isConstant()) { + if (getLength().isConstant() && getLength().asConstant().asInt() <= GraalOptions.MaximumEscapeAnalysisArrayLength.getValue()) { snippetGraph = snippetGraph.copy(); unrollFixedLengthLoop(snippetGraph, getLength().asConstant().asInt(), tool); }