# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1405612620 -7200
# Node ID 9d03461887a7a1844a9ed4b1d0643acd616a869f
# Parent  a657c513e1283b442923c024dd1d2d8dbbeee01e
use Double.compare in FloatStamp

diff -r a657c513e128 -r 9d03461887a7 graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/FloatStamp.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/FloatStamp.java	Thu Jul 17 14:30:12 2014 +0200
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/FloatStamp.java	Thu Jul 17 17:57:00 2014 +0200
@@ -159,9 +159,9 @@
         double meetUpperBound = meetBounds(upperBound, other.upperBound, Math::max);
         double meetLowerBound = meetBounds(lowerBound, other.lowerBound, Math::min);
         boolean meetNonNaN = nonNaN && other.nonNaN;
-        if (meetLowerBound == lowerBound && meetUpperBound == upperBound && meetNonNaN == nonNaN) {
+        if (Double.compare(meetLowerBound, lowerBound) == 0 && Double.compare(meetUpperBound, upperBound) == 0 && meetNonNaN == nonNaN) {
             return this;
-        } else if (meetLowerBound == other.lowerBound && meetUpperBound == other.upperBound && meetNonNaN == other.nonNaN) {
+        } else if (Double.compare(meetLowerBound, other.lowerBound) == 0 && Double.compare(meetUpperBound, other.upperBound) == 0 && meetNonNaN == other.nonNaN) {
             return other;
         } else {
             return new FloatStamp(getBits(), meetLowerBound, meetUpperBound, meetNonNaN);
@@ -181,9 +181,9 @@
         double joinUpperBound = Math.min(upperBound, other.upperBound);
         double joinLowerBound = Math.max(lowerBound, other.lowerBound);
         boolean joinNonNaN = nonNaN || other.nonNaN;
-        if (joinLowerBound == lowerBound && joinUpperBound == upperBound && joinNonNaN == nonNaN) {
+        if (Double.compare(joinLowerBound, lowerBound) == 0 && Double.compare(joinUpperBound, upperBound) == 0 && joinNonNaN == nonNaN) {
             return this;
-        } else if (joinLowerBound == other.lowerBound && joinUpperBound == other.upperBound && joinNonNaN == other.nonNaN) {
+        } else if (Double.compare(joinLowerBound, other.lowerBound) == 0 && Double.compare(joinUpperBound, other.upperBound) == 0 && joinNonNaN == other.nonNaN) {
             return other;
         } else {
             return new FloatStamp(getBits(), joinLowerBound, joinUpperBound, joinNonNaN);
@@ -239,7 +239,7 @@
 
     @Override
     public Constant asConstant() {
-        if (nonNaN && lowerBound == upperBound) {
+        if (nonNaN && Double.compare(lowerBound, upperBound) == 0) {
             switch (getBits()) {
                 case 32:
                     return Constant.forFloat((float) lowerBound);