diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Mips/MicroMips64r6InstrInfo.td')
-rw-r--r-- | contrib/llvm/lib/Target/Mips/MicroMips64r6InstrInfo.td | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MicroMips64r6InstrInfo.td b/contrib/llvm/lib/Target/Mips/MicroMips64r6InstrInfo.td new file mode 100644 index 000000000000..ec1aef86a942 --- /dev/null +++ b/contrib/llvm/lib/Target/Mips/MicroMips64r6InstrInfo.td @@ -0,0 +1,119 @@ +//=- MicroMips64r6InstrInfo.td - Instruction Information -*- tablegen -*- -=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file describes MicroMips64r6 instructions. +// +//===----------------------------------------------------------------------===// + +//===----------------------------------------------------------------------===// +// +// Instruction Encodings +// +//===----------------------------------------------------------------------===// + +class DAUI_MMR6_ENC : DAUI_FM_MMR6; +class DAHI_MMR6_ENC : POOL32I_ADD_IMM_FM_MMR6<0b10001>; +class DATI_MMR6_ENC : POOL32I_ADD_IMM_FM_MMR6<0b10000>; +class DEXT_MMR6_ENC : POOL32S_EXTBITS_FM_MMR6<0b101100>; +class DEXTM_MMR6_ENC : POOL32S_EXTBITS_FM_MMR6<0b100100>; +class DEXTU_MMR6_ENC : POOL32S_EXTBITS_FM_MMR6<0b010100>; +class DALIGN_MMR6_ENC : POOL32S_DALIGN_FM_MMR6; +class DDIV_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"ddiv", 0b100011000>; +class DMOD_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"dmod", 0b101011000>; +class DDIVU_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"ddivu", 0b110011000>; +class DMODU_MM64R6_ENC : POOL32A_DIVMOD_FM_MMR6<"dmodu", 0b111011000>; + +//===----------------------------------------------------------------------===// +// +// Instruction Descriptions +// +//===----------------------------------------------------------------------===// + +class DAUI_MMR6_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> + : MMR6Arch<instr_asm>, MipsR6Inst { + dag OutOperandList = (outs GPROpnd:$rt); + dag InOperandList = (ins GPROpnd:$rs, simm16:$imm); + string AsmString = !strconcat(instr_asm, "\t$rt, $rs, $imm"); + list<dag> Pattern = []; +} +class DAUI_MMR6_DESC : DAUI_MMR6_DESC_BASE<"daui", GPR64Opnd>; + +class DAHI_DATI_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> + : MMR6Arch<instr_asm>, MipsR6Inst { + dag OutOperandList = (outs GPROpnd:$rs); + dag InOperandList = (ins GPROpnd:$rt, simm16:$imm); + string AsmString = !strconcat(instr_asm, "\t$rt, $imm"); + string Constraints = "$rs = $rt"; +} +class DAHI_MMR6_DESC : DAHI_DATI_DESC_BASE<"dahi", GPR64Opnd>; +class DATI_MMR6_DESC : DAHI_DATI_DESC_BASE<"dati", GPR64Opnd>; + +class EXTBITS_DESC_BASE<string instr_asm, RegisterOperand RO, Operand PosOpnd, + Operand SizeOpnd, SDPatternOperator Op = null_frag> + : MMR6Arch<instr_asm>, MipsR6Inst { + dag OutOperandList = (outs RO:$rt); + dag InOperandList = (ins RO:$rs, PosOpnd:$pos, SizeOpnd:$size); + string AsmString = !strconcat(instr_asm, "\t$rt, $rs, $pos, $size"); + list<dag> Pattern = [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))]; + InstrItinClass Itinerary = II_EXT; + Format Form = FrmR; + string BaseOpcode = instr_asm; +} +// TODO: Add 'pos + size' constraint check to dext* instructions +// DEXT: 0 < pos + size <= 63 +// DEXTM, DEXTU: 32 < pos + size <= 64 +class DEXT_MMR6_DESC : EXTBITS_DESC_BASE<"dext", GPR64Opnd, uimm5, + uimm5_plus1, MipsExt>; +class DEXTM_MMR6_DESC : EXTBITS_DESC_BASE<"dextm", GPR64Opnd, uimm5, + uimm5_plus33, MipsExt>; +class DEXTU_MMR6_DESC : EXTBITS_DESC_BASE<"dextu", GPR64Opnd, uimm5_plus32, + uimm5_plus1, MipsExt>; + +class DALIGN_DESC_BASE<string instr_asm, RegisterOperand GPROpnd, + Operand ImmOpnd> : MMR6Arch<instr_asm>, MipsR6Inst { + dag OutOperandList = (outs GPROpnd:$rd); + dag InOperandList = (ins GPROpnd:$rs, GPROpnd:$rt, ImmOpnd:$bp); + string AsmString = !strconcat(instr_asm, "\t$rd, $rs, $rt, $bp"); + list<dag> Pattern = []; +} + +class DALIGN_MMR6_DESC : DALIGN_DESC_BASE<"dalign", GPR64Opnd, uimm3>; + +class DDIV_MM64R6_DESC : ArithLogicR<"ddiv", GPR32Opnd>; +class DMOD_MM64R6_DESC : ArithLogicR<"dmod", GPR32Opnd>; +class DDIVU_MM64R6_DESC : ArithLogicR<"ddivu", GPR32Opnd>; +class DMODU_MM64R6_DESC : ArithLogicR<"dmodu", GPR32Opnd>; + +//===----------------------------------------------------------------------===// +// +// Instruction Definitions +// +//===----------------------------------------------------------------------===// + +let DecoderNamespace = "MicroMipsR6" in { + def DAUI_MM64R6 : StdMMR6Rel, DAUI_MMR6_DESC, DAUI_MMR6_ENC, ISA_MICROMIPS64R6; + def DAHI_MM64R6 : StdMMR6Rel, DAHI_MMR6_DESC, DAHI_MMR6_ENC, ISA_MICROMIPS64R6; + def DATI_MM64R6 : StdMMR6Rel, DATI_MMR6_DESC, DATI_MMR6_ENC, ISA_MICROMIPS64R6; + def DEXT_MM64R6 : StdMMR6Rel, DEXT_MMR6_DESC, DEXT_MMR6_ENC, + ISA_MICROMIPS64R6; + def DEXTM_MM64R6 : StdMMR6Rel, DEXTM_MMR6_DESC, DEXTM_MMR6_ENC, + ISA_MICROMIPS64R6; + def DEXTU_MM64R6 : StdMMR6Rel, DEXTU_MMR6_DESC, DEXTU_MMR6_ENC, + ISA_MICROMIPS64R6; + def DALIGN_MM64R6 : StdMMR6Rel, DALIGN_MMR6_DESC, DALIGN_MMR6_ENC, + ISA_MICROMIPS64R6; + def DDIV_MM64R6 : R6MMR6Rel, DDIV_MM64R6_DESC, DDIV_MM64R6_ENC, + ISA_MICROMIPS64R6; + def DMOD_MM64R6 : R6MMR6Rel, DMOD_MM64R6_DESC, DMOD_MM64R6_ENC, + ISA_MICROMIPS64R6; + def DDIVU_MM64R6 : R6MMR6Rel, DDIVU_MM64R6_DESC, DDIVU_MM64R6_ENC, + ISA_MICROMIPS64R6; + def DMODU_MM64R6 : R6MMR6Rel, DMODU_MM64R6_DESC, DMODU_MM64R6_ENC, + ISA_MICROMIPS64R6; +} |