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[mips] Modify definitions of move from/to coprocessor instructions. 

No functionality change.

llvm-svn: 170071
This commit is contained in:
Akira Hatanaka 2012-12-13 01:16:49 +00:00
parent dea8f61ae0
commit 2b75dde5fa
2 changed files with 30 additions and 21 deletions
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38
llvm/lib/Target/Mips/MipsInstrFPU.td
View File

@ -224,6 +224,17 @@ multiclass ROUND_M<string opstr, InstrItinClass Itin> {
}
}
class MFC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC,
InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"),
[(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR>;
class MTC1_FT<string opstr, RegisterClass DstRC, RegisterClass SrcRC,
InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
[(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR>;
//===----------------------------------------------------------------------===//
// Floating Point Instructions
//===----------------------------------------------------------------------===//
@ -300,27 +311,12 @@ class FFRGPR<bits<5> _fmt, dag outs, dag ins, string asmstr, list<dag> pattern>:
}
/// Move Control Registers From/To CPU Registers
def CFC1 : FFRGPR<0x2, (outs CPURegs:$rt), (ins CCR:$fs),
"cfc1\t$rt, $fs", []>;
def CTC1 : FFRGPR<0x6, (outs CCR:$fs), (ins CPURegs:$rt),
"ctc1\t$rt, $fs", []>;
def MFC1 : FFRGPR<0x00, (outs CPURegs:$rt), (ins FGR32:$fs),
"mfc1\t$rt, $fs",
[(set CPURegs:$rt, (bitconvert FGR32:$fs))]>;
def MTC1 : FFRGPR<0x04, (outs FGR32:$fs), (ins CPURegs:$rt),
"mtc1\t$rt, $fs",
[(set FGR32:$fs, (bitconvert CPURegs:$rt))]>;
def DMFC1 : FFRGPR<0x01, (outs CPU64Regs:$rt), (ins FGR64:$fs),
"dmfc1\t$rt, $fs",
[(set CPU64Regs:$rt, (bitconvert FGR64:$fs))]>;
def DMTC1 : FFRGPR<0x05, (outs FGR64:$fs), (ins CPU64Regs:$rt),
"dmtc1\t$rt, $fs",
[(set FGR64:$fs, (bitconvert CPU64Regs:$rt))]>;
def CFC1 : MFC1_FT<"cfc1", CPURegs, CCR, IIFmove>, MFC1_FM<2>;
def CTC1 : MTC1_FT<"ctc1", CCR, CPURegs, IIFmove>, MFC1_FM<6>;
def MFC1 : MFC1_FT<"mfc1", CPURegs, FGR32, IIFmove, bitconvert>, MFC1_FM<0>;
def MTC1 : MTC1_FT<"mtc1", FGR32, CPURegs, IIFmove, bitconvert>, MFC1_FM<4>;
def DMFC1 : MFC1_FT<"dmfc1", CPU64Regs, FGR64, IIFmove, bitconvert>, MFC1_FM<1>;
def DMTC1 : MTC1_FT<"dmtc1", FGR64, CPU64Regs, IIFmove, bitconvert>, MFC1_FM<5>;
def FMOV_S : ABSS_FT<"mov.s", FGR32, FGR32, IIFmove>, ABSS_FM<0x6, 16>;
def FMOV_D32 : ABSS_FT<"mov.d", AFGR64, AFGR64, IIFmove>, ABSS_FM<0x6, 17>,

13
llvm/lib/Target/Mips/MipsInstrFormats.td
View File

@ -381,3 +381,16 @@ class ABSS_FM<bits<6> funct, bits<5> fmt> {
let Inst{10-6} = fd;
let Inst{5-0} = funct;
}
class MFC1_FM<bits<5> funct> {
bits<5> rt;
bits<5> fs;
bits<32> Inst;
let Inst{31-26} = 0x11;
let Inst{25-21} = funct;
let Inst{20-16} = rt;
let Inst{15-11} = fs;
let Inst{10-0} = 0;
}