Created
January 7, 2019 21:39
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SIMPLIFY_BRANCH_ARITHMETIC
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| #define SIMPLIFY_BRANCH_ARITHMETIC(Type, Width) \ | |
| if ((firstChild->getOpCode().isSub() || firstChild->getOpCode().isAdd()) \ | |
| && (firstChild->getSecondChild()->getOpCode().isLoadConst()) \ | |
| && (secondChild->getOpCode().isSub() || secondChild->getOpCode().isAdd()) \ | |
| && (secondChild->getSecondChild()->getOpCode().isLoadConst()) \ | |
| && (firstChild->getReferenceCount() == 1) \ | |
| && (secondChild->getReferenceCount() == 1)) { \ | |
| Width konst; \ | |
| if (firstChild->getOpCode().isSub()) { \ | |
| if (secondChild->getOpCode().isSub()) \ | |
| konst = secondChild->getSecondChild()->get##Type() - firstChild->getSecondChild()->get##Type(); \ | |
| else \ | |
| konst = secondChild->getSecondChild()->get##Type() + firstChild->getSecondChild()->get##Type(); \ | |
| } else { \ | |
| if (secondChild->getOpCode().isAdd()) \ | |
| konst = secondChild->getSecondChild()->get##Type() - firstChild->getSecondChild()->get##Type(); \ | |
| else \ | |
| konst = secondChild->getSecondChild()->get##Type() + firstChild->getSecondChild()->get##Type(); \ | |
| } \ | |
| node->setAndIncChild(0, firstChild->getFirstChild()); \ | |
| firstChild->recursivelyDecReferenceCount(); \ | |
| firstChild = firstChild->getFirstChild(); \ | |
| if (konst == 0) { \ | |
| node->setAndIncChild(1, secondChild->getFirstChild()); \ | |
| secondChild->recursivelyDecReferenceCount(); \ | |
| secondChild = secondChild->getFirstChild(); \ | |
| } else { \ | |
| TR::Node* grandChild = secondChild->getSecondChild(); \ | |
| if (grandChild->getReferenceCount() == 1) \ | |
| grandChild->set##Type(konst); \ | |
| else { \ | |
| grandChild->recursivelyDecReferenceCount(); \ | |
| secondChild->setAndIncChild( \ | |
| 1, TR::Node::create(grandChild, grandChild->getOpCodeValue(), 0, (int32_t)konst)); \ | |
| } \ | |
| } \ | |
| dumpOptDetails(s->comp(), \ | |
| "%ssimplified arithmetic in branch [" POINTER_PRINTF_FORMAT \ | |
| "]\n", \ | |
| s->optDetailString(), node); \ | |
| } |
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