Merge pull request #10511 from Akira1Saitoh/aarch64StopUsingDepRegs

AArch64: Use a method to kill temporary registers in register dependencies
eclipse-openj9 · Sep 4, 2020 · cfad132 · cfad132
2 parents 49c7713 + f8dcb22
commit cfad132
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/runtime/compiler/aarch64/codegen/ARM64JNILinkage.cpp b/runtime/compiler/aarch64/codegen/ARM64JNILinkage.cpp
@@ -946,5 +946,7 @@ TR::Register *J9::ARM64::JNILinkage::buildDirectDispatch(TR::Node *callNode)
    generateLabelInstruction(cg(), TR::InstOpCode::label, callNode, depLabel, postLabelDeps);
 
    callNode->setRegister(returnRegister);
+
+   deps->stopUsingDepRegs(cg(), returnRegister);
    return returnRegister;
    }
diff --git a/runtime/compiler/aarch64/codegen/ARM64PrivateLinkage.cpp b/runtime/compiler/aarch64/codegen/ARM64PrivateLinkage.cpp
@@ -1242,6 +1242,8 @@ TR::Register *J9::ARM64::PrivateLinkage::buildDirectDispatch(TR::Node *callNode)
       }
 
    callNode->setRegister(retReg);
+
+   dependencies->stopUsingDepRegs(cg(), retReg);
    return retReg;
    }
 
@@ -1439,6 +1441,8 @@ TR::Register *J9::ARM64::PrivateLinkage::buildIndirectDispatch(TR::Node *callNod
       }
 
    callNode->setRegister(retReg);
+
+   dependencies->stopUsingDepRegs(cg(), retReg);
    return retReg;
    }