Initial support for inline asm memory operand constraints.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132768 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp
index 8caa7cd2f7..6f69ba388f 100644
--- a/lib/Target/Mips/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/MipsAsmPrinter.cpp
@@ -56,6 +56,9 @@ namespace {
     bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
                          unsigned AsmVariant, const char *ExtraCode,
                          raw_ostream &O);
+    bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+                               unsigned AsmVariant, const char *ExtraCode,
+                               raw_ostream &O);
     void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
     void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
     void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
@@ -304,6 +307,19 @@ bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
   return false;
 }
 
+bool MipsAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+                                           unsigned OpNum, unsigned AsmVariant,
+                                           const char *ExtraCode,
+                                           raw_ostream &O) {
+  if (ExtraCode && ExtraCode[0])
+     return true; // Unknown modifier.
+   
+  const MachineOperand &MO = MI->getOperand(OpNum);
+  assert(MO.isReg() && "unexpected inline asm memory operand");
+  O << "0($" << MipsAsmPrinter::getRegisterName(MO.getReg()) << ")";
+  return false;
+}
+
 void MipsAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
                                   raw_ostream &O) {
   const MachineOperand &MO = MI->getOperand(opNum);