From 5bcb2407a5be0959d36e11cf29d0be1abe0a10bd Mon Sep 17 00:00:00 2001
From: Akira Hatanaka <ahatanaka@mips.com>
Date: Fri, 19 Jul 2013 01:19:52 +0000
Subject: [PATCH] [mips] Delete MFC1_FT_CCR, MTC1_FT_CCR and MOVCCRToCCR.

No functionality change.

llvm-svn: 186642
---
 llvm/lib/Target/Mips/MipsInstrFPU.td     | 15 ++-------------
 llvm/lib/Target/Mips/MipsSEInstrInfo.cpp |  2 --
 2 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/llvm/lib/Target/Mips/MipsInstrFPU.td b/llvm/lib/Target/Mips/MipsInstrFPU.td
index ec4c429..fc7ea30 100644
--- a/llvm/lib/Target/Mips/MipsInstrFPU.td
+++ b/llvm/lib/Target/Mips/MipsInstrFPU.td
@@ -141,16 +141,6 @@ class MTC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
   InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
          [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>;
 
-class MFC1_FT_CCR<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
-              InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
-  InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"),
-         [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>;
-
-class MTC1_FT_CCR<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
-              InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
-  InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
-         [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>;
-
 class LW_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
             Operand MemOpnd, SDPatternOperator OpNode= null_frag> :
   InstSE<(outs RC:$rt), (ins MemOpnd:$addr), !strconcat(opstr, "\t$rt, $addr"),
@@ -341,8 +331,8 @@ defm FSQRT : ABSS_M<"sqrt.d", IIFsqrtDouble, fsqrt>, ABSS_FM<0x4, 17>;
 // regardless of register aliasing.
 
 /// Move Control Registers From/To CPU Registers
-def CFC1 : MFC1_FT_CCR<"cfc1", CPURegsOpnd, CCROpnd, IIFmove>, MFC1_FM<2>;
-def CTC1 : MTC1_FT_CCR<"ctc1", CCROpnd, CPURegsOpnd, IIFmove>, MFC1_FM<6>;
+def CFC1 : MFC1_FT<"cfc1", CPURegsOpnd, CCROpnd, IIFmove>, MFC1_FM<2>;
+def CTC1 : MTC1_FT<"ctc1", CCROpnd, CPURegsOpnd, IIFmove>, MFC1_FM<6>;
 def MFC1 : MFC1_FT<"mfc1", CPURegsOpnd, FGR32RegsOpnd, IIFmoveC1, bitconvert>,
            MFC1_FM<0>;
 def MTC1 : MTC1_FT<"mtc1", FGR32RegsOpnd, CPURegsOpnd, IIFmoveC1, bitconvert>,
@@ -549,7 +539,6 @@ def FCMP_D64 : CEQS_FT<"d", FGR64, IIFcmp, MipsFPCmp>, CEQS_FM<17>,
 //===----------------------------------------------------------------------===//
 // Floating Point Pseudo-Instructions
 //===----------------------------------------------------------------------===//
-def MOVCCRToCCR : PseudoSE<(outs CCR:$dst), (ins CCROpnd:$src), []>;
 
 // This pseudo instr gets expanded into 2 mtc1 instrs after register
 // allocation.
diff --git a/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp b/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
index e2a33dd..c384f31 100644
--- a/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -141,8 +141,6 @@ void MipsSEInstrInfo::copyPhysReg(MachineBasicBlock &MBB,
     Opc = Mips::FMOV_D32;
   else if (Mips::FGR64RegClass.contains(DestReg, SrcReg))
     Opc = Mips::FMOV_D64;
-  else if (Mips::CCRRegClass.contains(DestReg, SrcReg))
-    Opc = Mips::MOVCCRToCCR;
   else if (Mips::CPU64RegsRegClass.contains(DestReg)) { // Copy to CPU64 Reg.
     if (Mips::CPU64RegsRegClass.contains(SrcReg))
       Opc = Mips::OR64, ZeroReg = Mips::ZERO_64;
-- 
2.7.4