Mercurial > hg > graal-compiler
changeset 20072:bd3246bc0aaa
AMD64HotSpotLIRGenerator.RescueSlotDummyOp: add javadoc.
| author | Josef Eisl <josef.eisl@jku.at> |
|---|---|
| date | Mon, 30 Mar 2015 10:57:43 +0200 |
| parents | 32e2857bb2bb |
| children | a875af927be8 |
| files | graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java |
| diffstat | 1 files changed, 5 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java Mon Mar 30 10:47:08 2015 +0200 +++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotLIRGenerator.java Mon Mar 30 10:57:43 2015 +0200 @@ -122,6 +122,11 @@ SaveRbp saveRbp; + /** + * Helper instruction to reserve a stack slot for the whole method. Note that the actual users + * of the stack slot might be inserted after stack slot allocation. This dummy instruction + * ensures that the stack slot is alive and gets a real stack slot assigned. + */ private static final class RescueSlotDummyOp extends LIRInstruction { public static final LIRInstructionClass<RescueSlotDummyOp> TYPE = LIRInstructionClass.create(RescueSlotDummyOp.class);