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diff graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotSafepointOp.java @ 13972:28f560605e77

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safepoint poll at return can never be elided
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 18 Feb 2014 15:04:47 -0800
parents 4e679d50ba9a
children 390c4b742890
line wrap: on
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--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotSafepointOp.java	Tue Feb 18 13:21:11 2014 -0800
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotSafepointOp.java	Tue Feb 18 15:04:47 2014 -0800
@@ -73,6 +73,7 @@
     }
 
     public static void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler asm, HotSpotVMConfig config, boolean atReturn, LIRFrameState state, Register scratch) {
+        assert !atReturn || state == null : "state is unneeded at return";
         if (ImmutableCode.getValue()) {
             Kind hostWordKind = HotSpotGraalRuntime.getHostWordKind();
             int alignment = hostWordKind.getBitCount() / Byte.SIZE;