Mercurial > hg > truffle
changeset 3214:0ca900bab9d0
Canonicalize Compare with same inputs
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
---|---|
date | Wed, 13 Jul 2011 15:05:04 +0200 |
parents | 1ba9612f6d6e |
children | 0ab38d143795 |
files | graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Compare.java |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Compare.java Tue Jul 12 18:14:45 2011 +0200 +++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Compare.java Wed Jul 13 15:05:04 2011 +0200 @@ -193,6 +193,9 @@ } else if (compare.y().isConstant() && compare.x() instanceof NormalizeCompare) { return optimizeNormalizeCmp(compare, compare.y().asConstant(), (NormalizeCompare) compare.x()); } + if (compare.x() == compare.y() && compare.x().kind != CiKind.Float && compare.x().kind != CiKind.Double) { + return Constant.forBoolean(compare.condition().check(1, 1), compare.graph()); + } return compare; }