Allow the b/h/w/k constraints to be applied to values that have multiple alternatives, and end up not being registers.

llvm-svn: 35320

1 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
index 1fe2dc43e47..147581a1c44 100755
--- a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -499,7 +499,10 @@ bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
     case 'h': // Print QImode high register
     case 'w': // Print HImode register
     case 'k': // Print SImode register
-      return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
+      if (MI->getOperand(OpNo).isReg())
+        return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
+      printOperand(MI, OpNo);
+      return false;
       
     case 'P': // Don't print @PLT, but do print as memory.
       printOperand(MI, OpNo, "mem");