Add memory operand and int regs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28896 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Alpha/AlphaAsmPrinter.cpp

@@ -62,6 +62,10 @@ namespace {
 
     bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
                          unsigned AsmVariant, const char *ExtraCode);
+    bool PrintAsmMemoryOperand(const MachineInstr *MI, 
+			       unsigned OpNo,
+			       unsigned AsmVariant, 
+			       const char *ExtraCode);
   };
 } // end of anonymous namespace
 
@@ -277,3 +281,13 @@ bool AlphaAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
   printOperand(MI, OpNo);
   return false;
 }
+
+bool AlphaAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, 
+					    unsigned OpNo,
+					    unsigned AsmVariant, 
+					    const char *ExtraCode) {
+  if (ExtraCode && ExtraCode[0])
+    return true; // Unknown modifier.
+  printOperand(MI, OpNo);
+  return false;
+}

lib/Target/Alpha/AlphaISelDAGToDAG.cpp

@@ -119,6 +119,24 @@ namespace {
       return "Alpha DAG->DAG Pattern Instruction Selection";
     } 
 
+    /// SelectInlineAsmMemoryOperand - Implement addressing mode selection for
+    /// inline asm expressions.
+    virtual bool SelectInlineAsmMemoryOperand(const SDOperand &Op,
+                                              char ConstraintCode,
+                                              std::vector<SDOperand> &OutOps,
+                                              SelectionDAG &DAG) {
+      SDOperand Op0;
+      switch (ConstraintCode) {
+      default: return true;
+      case 'm':   // memory
+	Select(Op0, Op);
+        break;
+      }
+      
+      OutOps.push_back(Op0);
+      return false;
+    }
+    
 // Include the pieces autogenerated from the target description.
 #include "AlphaGenDAGISel.inc"
     

lib/Target/Alpha/AlphaISelLowering.cpp

@@ -591,6 +591,7 @@ AlphaTargetLowering::getConstraintType(char ConstraintLetter) const {
   switch (ConstraintLetter) {
   default: break;
   case 'f':
+  case 'r':
     return C_RegisterClass;
   }  
   return TargetLowering::getConstraintType(ConstraintLetter);
@@ -614,6 +615,19 @@ getRegClassForInlineAsmConstraint(const std::string &Constraint,
                                    Alpha::F24, Alpha::F25, Alpha::F26, 
 				   Alpha::F27, Alpha::F28, Alpha::F29, 
 				   Alpha::F30, Alpha::F31, 0);
+    case 'r': 
+      return make_vector<unsigned>(Alpha::R0 , Alpha::R1 , Alpha::R2 , 
+				   Alpha::R3 , Alpha::R4 , Alpha::R5 , 
+				   Alpha::R6 , Alpha::R7 , Alpha::R8 , 
+				   Alpha::R9 , Alpha::R10, Alpha::R11, 
+                                   Alpha::R12, Alpha::R13, Alpha::R14, 
+				   Alpha::R15, Alpha::R16, Alpha::R17, 
+				   Alpha::R18, Alpha::R19, Alpha::R20, 
+				   Alpha::R21, Alpha::R22, Alpha::R23, 
+                                   Alpha::R24, Alpha::R25, Alpha::R26, 
+				   Alpha::R27, Alpha::R28, Alpha::R29, 
+				   Alpha::R30, Alpha::R31, 0);
+ 
     }
   }