Mercurial > hg > graal-compiler

changeset 22116:1ca46ed9e31a

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give error handling code in crypto substitutions a low probability
author Doug Simon <doug.simon@oracle.com>
date Mon, 29 Jun 2015 16:45:09 +0200
parents 919ea5f6486a
children bb6e6bc3b773
files graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AESCryptSubstitutions.java
diffstat 1 files changed, 3 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AESCryptSubstitutions.java	Mon Jun 29 14:22:03 2015 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/AESCryptSubstitutions.java	Mon Jun 29 16:45:09 2015 +0200
@@ -24,11 +24,12 @@
 
 import static com.oracle.graal.hotspot.HotSpotBackend.*;
 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
+import static com.oracle.graal.nodes.extended.BranchProbabilityNode.*;
 import static com.oracle.graal.word.Word.*;
+import static jdk.internal.jvmci.code.UnsignedMath.*;
 
 import java.lang.reflect.*;
 
-import jdk.internal.jvmci.code.*;
 import jdk.internal.jvmci.common.*;
 import jdk.internal.jvmci.meta.*;
 import sun.misc.*;
@@ -92,7 +93,7 @@
      * Perform null and array bounds checks for arguments to a cipher operation.
      */
     static void checkArgs(byte[] in, int inOffset, byte[] out, int outOffset) {
-        if (UnsignedMath.aboveThan(inOffset + AES_BLOCK_SIZE, in.length) || UnsignedMath.aboveThan(outOffset + AES_BLOCK_SIZE, out.length)) {
+        if (probability(VERY_SLOW_PATH_PROBABILITY, aboveThan(inOffset + AES_BLOCK_SIZE, in.length) || aboveThan(outOffset + AES_BLOCK_SIZE, out.length))) {
             DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
         }
     }