MC/X86: Add custom hack for recognizing "imul $12, %eax" and friends.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111947 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 204ccf7..3f10b8e 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -826,6 +826,14 @@
Operands.erase(Operands.begin() + 2);
}
+ // FIXME: Hack to handle "imul A, B" which is an alias for "imul A, B, B".
+ if (Name.startswith("imul") && Operands.size() == 3 &&
+ static_cast<X86Operand*>(Operands.back())->isReg()) {
+ X86Operand *Op = static_cast<X86Operand*>(Operands.back());
+ Operands.push_back(X86Operand::CreateReg(Op->getReg(), Op->getStartLoc(),
+ Op->getEndLoc()));
+ }
+
return false;
}