Minor changes based on post commit review:

[oota-llvm.git] / lib / Target / Mips / MipsRegisterInfo.td

diff --git a/lib/Target/Mips/MipsRegisterInfo.td b/lib/Target/Mips/MipsRegisterInfo.td
index b255e4222b7e744acdb7af566b0169d5a7449865..a72e3b857fc591b9f65410ddd5a00450b1532473 100644 (file)
--- a/lib/Target/Mips/MipsRegisterInfo.td
+++ b/lib/Target/Mips/MipsRegisterInfo.td
@@ -14,6 +14,8 @@ let Namespace = "Mips" in {
 def sub_fpeven : SubRegIndex;
 def sub_fpodd  : SubRegIndex;
 def sub_32     : SubRegIndex;
+def sub_lo     : SubRegIndex;
+def sub_hi     : SubRegIndex;
 }
 
 // We have banks of 32 registers each.
@@ -239,16 +241,29 @@ let Namespace = "Mips" in {
   // fcc0 register
   def FCC0 : Register<"fcc0">;
 
+  // PC register
+  def PC : Register<"pc">;
+
   // Hardware register $29
   def HWR29 : Register<"29">;
   def HWR29_64 : Register<"29">;
+
+  // Accum registers
+  let SubRegIndices = [sub_lo, sub_hi] in
+  def AC0 : RegisterWithSubRegs<"ac0", [LO, HI]>;
+  def AC1 : Register<"ac1">;
+  def AC2 : Register<"ac2">;
+  def AC3 : Register<"ac3">;
+
+  def DSPCtrl : Register<"dspctrl">;
 }
 
 //===----------------------------------------------------------------------===//
 // Register Classes
 //===----------------------------------------------------------------------===//
 
-def CPURegs : RegisterClass<"Mips", [i32], 32, (add
+class CPURegsClass<list<ValueType> regTypes> :
+  RegisterClass<"Mips", regTypes, 32, (add
   // Reserved
   ZERO, AT,
   // Return Values and Arguments
@@ -262,6 +277,9 @@ def CPURegs : RegisterClass<"Mips", [i32], 32, (add
   // Reserved
   K0, K1, GP, SP, FP, RA)>;
 
+def CPURegs : CPURegsClass<[i32]>;
+def DSPRegs : CPURegsClass<[v4i8, v2i16]>;
+
 def CPU64Regs : RegisterClass<"Mips", [i64], 64, (add
 // Reserved
   ZERO_64, AT_64,
@@ -284,6 +302,7 @@ def CPU16Regs : RegisterClass<"Mips", [i32], 32, (add
 
 def CPURAReg : RegisterClass<"Mips", [i32], 32, (add RA)>;
 
+def CPUSPReg : RegisterClass<"Mips", [i32], 32, (add SP)>;
 
 // 64bit fp:
 // * FGR64  - 32 64-bit registers
@@ -319,3 +338,5 @@ def HILO64 : RegisterClass<"Mips", [i64], 64, (add HI64, LO64)>;
 def HWRegs : RegisterClass<"Mips", [i32], 32, (add HWR29)>;
 def HWRegs64 : RegisterClass<"Mips", [i64], 32, (add HWR29_64)>;
 
+// Accumulator Registers
+def ACRegs : RegisterClass<"Mips", [i64], 64, (sequence "AC%u", 0, 3)>;