Subzero, MIPS32: Floating point support in ELF output

src/IceRegistersMIPS32.h

 //===- subzero/src/IceRegistersMIPS32.h - Register information --*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 68 matching lines @@
   return IsGPR;
 }
 
 static inline FPRRegister getEncodedFPR(RegNumT RegNum) {
   assert(int(Reg_FPR_First) <= int(RegNum));
   assert(unsigned(RegNum) <= Reg_FPR_Last);
   return FPRRegister(RegNum - Reg_FPR_First);
 }
 
 static inline bool isFPRReg(RegNumT RegNum) {
-  return (int(Reg_FPR_First) <= int(RegNum)) &&
-         (unsigned(RegNum) <= Reg_FPR_Last);
+  return ((int(Reg_FPR_First) <= int(RegNum)) &&
+          (unsigned(RegNum) <= Reg_FPR_Last));
+}
+
+static inline FPRRegister getEncodedFPR64(RegNumT RegNum) {
+  assert(int(Reg_F64PAIR_First) <= int(RegNum));
+  assert(unsigned(RegNum) <= Reg_F64PAIR_Last);
+  return FPRRegister((RegNum - Reg_F64PAIR_First) * 2);
+}
+
+static inline bool isFPR64Reg(RegNumT RegNum) {
+  return (int(Reg_F64PAIR_First) <= int(RegNum)) &&
+         (unsigned(RegNum) <= Reg_F64PAIR_Last);
 }
 
 const char *getRegName(RegNumT RegNum);
 
 static inline RegNumT get64PairFirstRegNum(RegNumT RegNum) {
   assert(unsigned(RegNum) >= Reg_I64PAIR_First);
   assert(unsigned(RegNum) <= Reg_F64PAIR_Last);
   if (unsigned(RegNum) >= Reg_F64PAIR_First &&
       unsigned(RegNum) <= Reg_F64PAIR_Last)
     return RegNumT::fixme(((RegNum - Reg_F64PAIR_First) * 2) +
@@ skipping 19 matching lines @@
 
 } // end of namespace RegMIPS32
 
 // Extend enum RegClass with MIPS32-specific register classes (if any).
 enum RegClassMIPS32 : uint8_t { RCMIPS32_NUM = RC_Target };
 
 } // end of namespace MIPS32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEREGISTERSMIPS32_H