Mercurial > hg > graal-compiler
changeset 15960:da6941811da8
fast path for IntegerStamp.meet
author | Lukas Stadler <lukas.stadler@oracle.com> |
---|---|
date | Wed, 28 May 2014 17:47:23 +0200 |
parents | 451a7e38ebce |
children | d5b824a41530 |
files | graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IntegerStamp.java |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IntegerStamp.java Wed May 28 17:47:23 2014 +0200 +++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IntegerStamp.java Wed May 28 17:47:23 2014 +0200 @@ -208,6 +208,9 @@ if (!(otherStamp instanceof IntegerStamp)) { return StampFactory.illegal(Kind.Illegal); } + if (equals(otherStamp)) { + return this; + } IntegerStamp other = (IntegerStamp) otherStamp; return createStamp(other, Math.max(upperBound, other.upperBound), Math.min(lowerBound, other.lowerBound), downMask & other.downMask, upMask | other.upMask); }