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+//===-- ARMInstrVFP.td - VFP support for ARM ---------------*- 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 the ARM VFP instruction set.
+//
+//===----------------------------------------------------------------------===//
+
+def SDT_FTOI : SDTypeProfile<1, 1, [SDTCisVT<0, f32>, SDTCisFP<1>]>;
+def SDT_ITOF : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
+def SDT_CMPFP0 : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
+def SDT_VMOVDRR : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisVT<1, i32>,
+ SDTCisSameAs<1, 2>]>;
+
+def arm_ftoui : SDNode<"ARMISD::FTOUI", SDT_FTOI>;
+def arm_ftosi : SDNode<"ARMISD::FTOSI", SDT_FTOI>;
+def arm_sitof : SDNode<"ARMISD::SITOF", SDT_ITOF>;
+def arm_uitof : SDNode<"ARMISD::UITOF", SDT_ITOF>;
+def arm_fmstat : SDNode<"ARMISD::FMSTAT", SDTNone, [SDNPInGlue, SDNPOutGlue]>;
+def arm_cmpfp : SDNode<"ARMISD::CMPFP", SDT_ARMCmp, [SDNPOutGlue]>;
+def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0", SDT_CMPFP0, [SDNPOutGlue]>;
+def arm_fmdrr : SDNode<"ARMISD::VMOVDRR", SDT_VMOVDRR>;
+
+
+//===----------------------------------------------------------------------===//
+// Operand Definitions.
+//
+
+// 8-bit floating-point immediate encodings.
+def FPImmOperand : AsmOperandClass {
+ let Name = "FPImm";
+ let ParserMethod = "parseFPImm";
+}
+
+def vfp_f32imm : Operand<f32>,
+ PatLeaf<(f32 fpimm), [{
+ return ARM_AM::getFP32Imm(N->getValueAPF()) != -1;
+ }], SDNodeXForm<fpimm, [{
+ APFloat InVal = N->getValueAPF();
+ uint32_t enc = ARM_AM::getFP32Imm(InVal);
+ return CurDAG->getTargetConstant(enc, MVT::i32);
+ }]>> {
+ let PrintMethod = "printFPImmOperand";
+ let ParserMatchClass = FPImmOperand;
+}
+
+def vfp_f64imm : Operand<f64>,
+ PatLeaf<(f64 fpimm), [{
+ return ARM_AM::getFP64Imm(N->getValueAPF()) != -1;
+ }], SDNodeXForm<fpimm, [{
+ APFloat InVal = N->getValueAPF();
+ uint32_t enc = ARM_AM::getFP64Imm(InVal);
+ return CurDAG->getTargetConstant(enc, MVT::i32);
+ }]>> {
+ let PrintMethod = "printFPImmOperand";
+ let ParserMatchClass = FPImmOperand;
+}
+
+def alignedload32 : PatFrag<(ops node:$ptr), (load node:$ptr), [{
+ return cast<LoadSDNode>(N)->getAlignment() >= 4;
+}]>;
+
+def alignedstore32 : PatFrag<(ops node:$val, node:$ptr),
+ (store node:$val, node:$ptr), [{
+ return cast<StoreSDNode>(N)->getAlignment() >= 4;
+}]>;
+
+// The VCVT to/from fixed-point instructions encode the 'fbits' operand
+// (the number of fixed bits) differently than it appears in the assembly
+// source. It's encoded as "Size - fbits" where Size is the size of the
+// fixed-point representation (32 or 16) and fbits is the value appearing
+// in the assembly source, an integer in [0,16] or (0,32], depending on size.
+def fbits32_asm_operand : AsmOperandClass { let Name = "FBits32"; }
+def fbits32 : Operand<i32> {
+ let PrintMethod = "printFBits32";
+ let ParserMatchClass = fbits32_asm_operand;
+}
+
+def fbits16_asm_operand : AsmOperandClass { let Name = "FBits16"; }
+def fbits16 : Operand<i32> {
+ let PrintMethod = "printFBits16";
+ let ParserMatchClass = fbits16_asm_operand;
+}
+
+//===----------------------------------------------------------------------===//
+// Load / store Instructions.
+//
+
+let canFoldAsLoad = 1, isReMaterializable = 1 in {
+
+def VLDRD : ADI5<0b1101, 0b01, (outs DPR:$Dd), (ins addrmode5:$addr),
+ IIC_fpLoad64, "vldr", "\t$Dd, $addr",
+ [(set DPR:$Dd, (f64 (alignedload32 addrmode5:$addr)))]>;
+
+def VLDRS : ASI5<0b1101, 0b01, (outs SPR:$Sd), (ins addrmode5:$addr),
+ IIC_fpLoad32, "vldr", "\t$Sd, $addr",
+ [(set SPR:$Sd, (load addrmode5:$addr))]> {
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+}
+
+} // End of 'let canFoldAsLoad = 1, isReMaterializable = 1 in'
+
+def VSTRD : ADI5<0b1101, 0b00, (outs), (ins DPR:$Dd, addrmode5:$addr),
+ IIC_fpStore64, "vstr", "\t$Dd, $addr",
+ [(alignedstore32 (f64 DPR:$Dd), addrmode5:$addr)]>;
+
+def VSTRS : ASI5<0b1101, 0b00, (outs), (ins SPR:$Sd, addrmode5:$addr),
+ IIC_fpStore32, "vstr", "\t$Sd, $addr",
+ [(store SPR:$Sd, addrmode5:$addr)]> {
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+}
+
+//===----------------------------------------------------------------------===//
+// Load / store multiple Instructions.
+//
+
+multiclass vfp_ldst_mult<string asm, bit L_bit,
+ InstrItinClass itin, InstrItinClass itin_upd> {
+ // Double Precision
+ def DIA :
+ AXDI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
+ IndexModeNone, itin,
+ !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ }
+ def DIA_UPD :
+ AXDI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs,
+ variable_ops),
+ IndexModeUpd, itin_upd,
+ !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+ def DDB_UPD :
+ AXDI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs,
+ variable_ops),
+ IndexModeUpd, itin_upd,
+ !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+
+ // Single Precision
+ def SIA :
+ AXSI4<(outs), (ins GPR:$Rn, pred:$p, spr_reglist:$regs, variable_ops),
+ IndexModeNone, itin,
+ !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+ let D = VFPNeonDomain;
+ }
+ def SIA_UPD :
+ AXSI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, spr_reglist:$regs,
+ variable_ops),
+ IndexModeUpd, itin_upd,
+ !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+ let D = VFPNeonDomain;
+ }
+ def SDB_UPD :
+ AXSI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, spr_reglist:$regs,
+ variable_ops),
+ IndexModeUpd, itin_upd,
+ !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+ let D = VFPNeonDomain;
+ }
+}
+
+let neverHasSideEffects = 1 in {
+
+let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
+defm VLDM : vfp_ldst_mult<"vldm", 1, IIC_fpLoad_m, IIC_fpLoad_mu>;
+
+let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
+defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpLoad_m, IIC_fpLoad_mu>;
+
+} // neverHasSideEffects
+
+def : MnemonicAlias<"vldm", "vldmia">;
+def : MnemonicAlias<"vstm", "vstmia">;
+
+def : InstAlias<"vpush${p} $r", (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+def : InstAlias<"vpush${p} $r", (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+def : InstAlias<"vpop${p} $r", (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+def : InstAlias<"vpop${p} $r", (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r)>,
+ Requires<[HasVFP2]>;
+defm : VFPDTAnyInstAlias<"vpush${p}", "$r",
+ (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>;
+defm : VFPDTAnyInstAlias<"vpush${p}", "$r",
+ (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>;
+defm : VFPDTAnyInstAlias<"vpop${p}", "$r",
+ (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r)>;
+defm : VFPDTAnyInstAlias<"vpop${p}", "$r",
+ (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>;
+
+// FLDMX, FSTMX - mixing S/D registers for pre-armv6 cores
+
+//===----------------------------------------------------------------------===//
+// FP Binary Operations.
+//
+
+let TwoOperandAliasConstraint = "$Dn = $Dd" in
+def VADDD : ADbI<0b11100, 0b11, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ IIC_fpALU64, "vadd", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fadd DPR:$Dn, (f64 DPR:$Dm)))]>;
+
+let TwoOperandAliasConstraint = "$Sn = $Sd" in
+def VADDS : ASbIn<0b11100, 0b11, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ IIC_fpALU32, "vadd", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fadd SPR:$Sn, SPR:$Sm))]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+let TwoOperandAliasConstraint = "$Dn = $Dd" in
+def VSUBD : ADbI<0b11100, 0b11, 1, 0,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ IIC_fpALU64, "vsub", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fsub DPR:$Dn, (f64 DPR:$Dm)))]>;
+
+let TwoOperandAliasConstraint = "$Sn = $Sd" in
+def VSUBS : ASbIn<0b11100, 0b11, 1, 0,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ IIC_fpALU32, "vsub", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fsub SPR:$Sn, SPR:$Sm))]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+let TwoOperandAliasConstraint = "$Dn = $Dd" in
+def VDIVD : ADbI<0b11101, 0b00, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ IIC_fpDIV64, "vdiv", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fdiv DPR:$Dn, (f64 DPR:$Dm)))]>;
+
+let TwoOperandAliasConstraint = "$Sn = $Sd" in
+def VDIVS : ASbI<0b11101, 0b00, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ IIC_fpDIV32, "vdiv", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fdiv SPR:$Sn, SPR:$Sm))]>;
+
+let TwoOperandAliasConstraint = "$Dn = $Dd" in
+def VMULD : ADbI<0b11100, 0b10, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ IIC_fpMUL64, "vmul", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fmul DPR:$Dn, (f64 DPR:$Dm)))]>;
+
+let TwoOperandAliasConstraint = "$Sn = $Sd" in
+def VMULS : ASbIn<0b11100, 0b10, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ IIC_fpMUL32, "vmul", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fmul SPR:$Sn, SPR:$Sm))]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VNMULD : ADbI<0b11100, 0b10, 1, 0,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ IIC_fpMUL64, "vnmul", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fneg (fmul DPR:$Dn, (f64 DPR:$Dm))))]>;
+
+def VNMULS : ASbI<0b11100, 0b10, 1, 0,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ IIC_fpMUL32, "vnmul", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fneg (fmul SPR:$Sn, SPR:$Sm)))]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+// Match reassociated forms only if not sign dependent rounding.
+def : Pat<(fmul (fneg DPR:$a), (f64 DPR:$b)),
+ (VNMULD DPR:$a, DPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
+def : Pat<(fmul (fneg SPR:$a), SPR:$b),
+ (VNMULS SPR:$a, SPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
+
+// These are encoded as unary instructions.
+let Defs = [FPSCR_NZCV] in {
+def VCMPED : ADuI<0b11101, 0b11, 0b0100, 0b11, 0,
+ (outs), (ins DPR:$Dd, DPR:$Dm),
+ IIC_fpCMP64, "vcmpe", ".f64\t$Dd, $Dm",
+ [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm))]>;
+
+def VCMPES : ASuI<0b11101, 0b11, 0b0100, 0b11, 0,
+ (outs), (ins SPR:$Sd, SPR:$Sm),
+ IIC_fpCMP32, "vcmpe", ".f32\t$Sd, $Sm",
+ [(arm_cmpfp SPR:$Sd, SPR:$Sm)]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+// FIXME: Verify encoding after integrated assembler is working.
+def VCMPD : ADuI<0b11101, 0b11, 0b0100, 0b01, 0,
+ (outs), (ins DPR:$Dd, DPR:$Dm),
+ IIC_fpCMP64, "vcmp", ".f64\t$Dd, $Dm",
+ [/* For disassembly only; pattern left blank */]>;
+
+def VCMPS : ASuI<0b11101, 0b11, 0b0100, 0b01, 0,
+ (outs), (ins SPR:$Sd, SPR:$Sm),
+ IIC_fpCMP32, "vcmp", ".f32\t$Sd, $Sm",
+ [/* For disassembly only; pattern left blank */]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+} // Defs = [FPSCR_NZCV]
+
+//===----------------------------------------------------------------------===//
+// FP Unary Operations.
+//
+
+def VABSD : ADuI<0b11101, 0b11, 0b0000, 0b11, 0,
+ (outs DPR:$Dd), (ins DPR:$Dm),
+ IIC_fpUNA64, "vabs", ".f64\t$Dd, $Dm",
+ [(set DPR:$Dd, (fabs (f64 DPR:$Dm)))]>;
+
+def VABSS : ASuIn<0b11101, 0b11, 0b0000, 0b11, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpUNA32, "vabs", ".f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (fabs SPR:$Sm))]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+let Defs = [FPSCR_NZCV] in {
+def VCMPEZD : ADuI<0b11101, 0b11, 0b0101, 0b11, 0,
+ (outs), (ins DPR:$Dd),
+ IIC_fpCMP64, "vcmpe", ".f64\t$Dd, #0",
+ [(arm_cmpfp0 (f64 DPR:$Dd))]> {
+ let Inst{3-0} = 0b0000;
+ let Inst{5} = 0;
+}
+
+def VCMPEZS : ASuI<0b11101, 0b11, 0b0101, 0b11, 0,
+ (outs), (ins SPR:$Sd),
+ IIC_fpCMP32, "vcmpe", ".f32\t$Sd, #0",
+ [(arm_cmpfp0 SPR:$Sd)]> {
+ let Inst{3-0} = 0b0000;
+ let Inst{5} = 0;
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+// FIXME: Verify encoding after integrated assembler is working.
+def VCMPZD : ADuI<0b11101, 0b11, 0b0101, 0b01, 0,
+ (outs), (ins DPR:$Dd),
+ IIC_fpCMP64, "vcmp", ".f64\t$Dd, #0",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{3-0} = 0b0000;
+ let Inst{5} = 0;
+}
+
+def VCMPZS : ASuI<0b11101, 0b11, 0b0101, 0b01, 0,
+ (outs), (ins SPR:$Sd),
+ IIC_fpCMP32, "vcmp", ".f32\t$Sd, #0",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{3-0} = 0b0000;
+ let Inst{5} = 0;
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+} // Defs = [FPSCR_NZCV]
+
+def VCVTDS : ASuI<0b11101, 0b11, 0b0111, 0b11, 0,
+ (outs DPR:$Dd), (ins SPR:$Sm),
+ IIC_fpCVTDS, "vcvt", ".f64.f32\t$Dd, $Sm",
+ [(set DPR:$Dd, (fextend SPR:$Sm))]> {
+ // Instruction operands.
+ bits<5> Dd;
+ bits<5> Sm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+ let Inst{15-12} = Dd{3-0};
+ let Inst{22} = Dd{4};
+}
+
+// Special case encoding: bits 11-8 is 0b1011.
+def VCVTSD : VFPAI<(outs SPR:$Sd), (ins DPR:$Dm), VFPUnaryFrm,
+ IIC_fpCVTSD, "vcvt", ".f32.f64\t$Sd, $Dm",
+ [(set SPR:$Sd, (fround DPR:$Dm))]> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Dm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+
+ let Inst{27-23} = 0b11101;
+ let Inst{21-16} = 0b110111;
+ let Inst{11-8} = 0b1011;
+ let Inst{7-6} = 0b11;
+ let Inst{4} = 0;
+}
+
+// Between half-precision and single-precision. For disassembly only.
+
+// FIXME: Verify encoding after integrated assembler is working.
+def VCVTBHS: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+ /* FIXME */ IIC_fpCVTSH, "vcvtb", ".f32.f16\t$Sd, $Sm",
+ [/* For disassembly only; pattern left blank */]>;
+
+def VCVTBSH: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+ /* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$Sd, $Sm",
+ [/* For disassembly only; pattern left blank */]>;
+
+def : Pat<(f32_to_f16 SPR:$a),
+ (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
+
+def : Pat<(f16_to_f32 GPR:$a),
+ (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+def VCVTTHS: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+ /* FIXME */ IIC_fpCVTSH, "vcvtt", ".f32.f16\t$Sd, $Sm",
+ [/* For disassembly only; pattern left blank */]>;
+
+def VCVTTSH: ASuI<0b11101, 0b11, 0b0011, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+ /* FIXME */ IIC_fpCVTHS, "vcvtt", ".f16.f32\t$Sd, $Sm",
+ [/* For disassembly only; pattern left blank */]>;
+
+def VNEGD : ADuI<0b11101, 0b11, 0b0001, 0b01, 0,
+ (outs DPR:$Dd), (ins DPR:$Dm),
+ IIC_fpUNA64, "vneg", ".f64\t$Dd, $Dm",
+ [(set DPR:$Dd, (fneg (f64 DPR:$Dm)))]>;
+
+def VNEGS : ASuIn<0b11101, 0b11, 0b0001, 0b01, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpUNA32, "vneg", ".f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (fneg SPR:$Sm))]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VSQRTD : ADuI<0b11101, 0b11, 0b0001, 0b11, 0,
+ (outs DPR:$Dd), (ins DPR:$Dm),
+ IIC_fpSQRT64, "vsqrt", ".f64\t$Dd, $Dm",
+ [(set DPR:$Dd, (fsqrt (f64 DPR:$Dm)))]>;
+
+def VSQRTS : ASuI<0b11101, 0b11, 0b0001, 0b11, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpSQRT32, "vsqrt", ".f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (fsqrt SPR:$Sm))]>;
+
+let neverHasSideEffects = 1 in {
+def VMOVD : ADuI<0b11101, 0b11, 0b0000, 0b01, 0,
+ (outs DPR:$Dd), (ins DPR:$Dm),
+ IIC_fpUNA64, "vmov", ".f64\t$Dd, $Dm", []>;
+
+def VMOVS : ASuI<0b11101, 0b11, 0b0000, 0b01, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpUNA32, "vmov", ".f32\t$Sd, $Sm", []>;
+} // neverHasSideEffects
+
+//===----------------------------------------------------------------------===//
+// FP <-> GPR Copies. Int <-> FP Conversions.
+//
+
+def VMOVRS : AVConv2I<0b11100001, 0b1010,
+ (outs GPR:$Rt), (ins SPR:$Sn),
+ IIC_fpMOVSI, "vmov", "\t$Rt, $Sn",
+ [(set GPR:$Rt, (bitconvert SPR:$Sn))]> {
+ // Instruction operands.
+ bits<4> Rt;
+ bits<5> Sn;
+
+ // Encode instruction operands.
+ let Inst{19-16} = Sn{4-1};
+ let Inst{7} = Sn{0};
+ let Inst{15-12} = Rt;
+
+ let Inst{6-5} = 0b00;
+ let Inst{3-0} = 0b0000;
+
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+}
+
+// Bitcast i32 -> f32. NEON prefers to use VMOVDRR.
+def VMOVSR : AVConv4I<0b11100000, 0b1010,
+ (outs SPR:$Sn), (ins GPR:$Rt),
+ IIC_fpMOVIS, "vmov", "\t$Sn, $Rt",
+ [(set SPR:$Sn, (bitconvert GPR:$Rt))]>,
+ Requires<[HasVFP2, UseVMOVSR]> {
+ // Instruction operands.
+ bits<5> Sn;
+ bits<4> Rt;
+
+ // Encode instruction operands.
+ let Inst{19-16} = Sn{4-1};
+ let Inst{7} = Sn{0};
+ let Inst{15-12} = Rt;
+
+ let Inst{6-5} = 0b00;
+ let Inst{3-0} = 0b0000;
+
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+}
+
+let neverHasSideEffects = 1 in {
+def VMOVRRD : AVConv3I<0b11000101, 0b1011,
+ (outs GPR:$Rt, GPR:$Rt2), (ins DPR:$Dm),
+ IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $Dm",
+ [/* FIXME: Can't write pattern for multiple result instr*/]> {
+ // Instruction operands.
+ bits<5> Dm;
+ bits<4> Rt;
+ bits<4> Rt2;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+
+ let Inst{7-6} = 0b00;
+
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+}
+
+def VMOVRRS : AVConv3I<0b11000101, 0b1010,
+ (outs GPR:$Rt, GPR:$Rt2), (ins SPR:$src1, SPR:$src2),
+ IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $src1, $src2",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<5> src1;
+ bits<4> Rt;
+ bits<4> Rt2;
+
+ // Encode instruction operands.
+ let Inst{3-0} = src1{4-1};
+ let Inst{5} = src1{0};
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+
+ let Inst{7-6} = 0b00;
+
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+ let DecoderMethod = "DecodeVMOVRRS";
+}
+} // neverHasSideEffects
+
+// FMDHR: GPR -> SPR
+// FMDLR: GPR -> SPR
+
+def VMOVDRR : AVConv5I<0b11000100, 0b1011,
+ (outs DPR:$Dm), (ins GPR:$Rt, GPR:$Rt2),
+ IIC_fpMOVID, "vmov", "\t$Dm, $Rt, $Rt2",
+ [(set DPR:$Dm, (arm_fmdrr GPR:$Rt, GPR:$Rt2))]> {
+ // Instruction operands.
+ bits<5> Dm;
+ bits<4> Rt;
+ bits<4> Rt2;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+
+ let Inst{7-6} = 0b00;
+
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+}
+
+let neverHasSideEffects = 1 in
+def VMOVSRR : AVConv5I<0b11000100, 0b1010,
+ (outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2),
+ IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
+ [/* For disassembly only; pattern left blank */]> {
+ // Instruction operands.
+ bits<5> dst1;
+ bits<4> src1;
+ bits<4> src2;
+
+ // Encode instruction operands.
+ let Inst{3-0} = dst1{4-1};
+ let Inst{5} = dst1{0};
+ let Inst{15-12} = src1;
+ let Inst{19-16} = src2;
+
+ let Inst{7-6} = 0b00;
+
+ // Some single precision VFP instructions may be executed on both NEON and VFP
+ // pipelines.
+ let D = VFPNeonDomain;
+
+ let DecoderMethod = "DecodeVMOVSRR";
+}
+
+// FMRDH: SPR -> GPR
+// FMRDL: SPR -> GPR
+// FMRRS: SPR -> GPR
+// FMRX: SPR system reg -> GPR
+// FMSRR: GPR -> SPR
+// FMXR: GPR -> VFP system reg
+
+
+// Int -> FP:
+
+class AVConv1IDs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
+ bits<4> opcod4, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm,
+ list<dag> pattern>
+ : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
+ pattern> {
+ // Instruction operands.
+ bits<5> Dd;
+ bits<5> Sm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+ let Inst{15-12} = Dd{3-0};
+ let Inst{22} = Dd{4};
+}
+
+class AVConv1InSs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
+ bits<4> opcod4, dag oops, dag iops,InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AVConv1In<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
+ pattern> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Sm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+}
+
+def VSITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011,
+ (outs DPR:$Dd), (ins SPR:$Sm),
+ IIC_fpCVTID, "vcvt", ".f64.s32\t$Dd, $Sm",
+ [(set DPR:$Dd, (f64 (arm_sitof SPR:$Sm)))]> {
+ let Inst{7} = 1; // s32
+}
+
+def VSITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010,
+ (outs SPR:$Sd),(ins SPR:$Sm),
+ IIC_fpCVTIS, "vcvt", ".f32.s32\t$Sd, $Sm",
+ [(set SPR:$Sd, (arm_sitof SPR:$Sm))]> {
+ let Inst{7} = 1; // s32
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VUITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011,
+ (outs DPR:$Dd), (ins SPR:$Sm),
+ IIC_fpCVTID, "vcvt", ".f64.u32\t$Dd, $Sm",
+ [(set DPR:$Dd, (f64 (arm_uitof SPR:$Sm)))]> {
+ let Inst{7} = 0; // u32
+}
+
+def VUITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpCVTIS, "vcvt", ".f32.u32\t$Sd, $Sm",
+ [(set SPR:$Sd, (arm_uitof SPR:$Sm))]> {
+ let Inst{7} = 0; // u32
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+// FP -> Int:
+
+class AVConv1IsD_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
+ bits<4> opcod4, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm,
+ list<dag> pattern>
+ : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
+ pattern> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Dm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+}
+
+class AVConv1InsS_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
+ bits<4> opcod4, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm,
+ list<dag> pattern>
+ : AVConv1In<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
+ pattern> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Sm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+}
+
+// Always set Z bit in the instruction, i.e. "round towards zero" variants.
+def VTOSIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ IIC_fpCVTDI, "vcvt", ".s32.f64\t$Sd, $Dm",
+ [(set SPR:$Sd, (arm_ftosi (f64 DPR:$Dm)))]> {
+ let Inst{7} = 1; // Z bit
+}
+
+def VTOSIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpCVTSI, "vcvt", ".s32.f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (arm_ftosi SPR:$Sm))]> {
+ let Inst{7} = 1; // Z bit
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VTOUIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ IIC_fpCVTDI, "vcvt", ".u32.f64\t$Sd, $Dm",
+ [(set SPR:$Sd, (arm_ftoui (f64 DPR:$Dm)))]> {
+ let Inst{7} = 1; // Z bit
+}
+
+def VTOUIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpCVTSI, "vcvt", ".u32.f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (arm_ftoui SPR:$Sm))]> {
+ let Inst{7} = 1; // Z bit
+
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+// And the Z bit '0' variants, i.e. use the rounding mode specified by FPSCR.
+let Uses = [FPSCR] in {
+// FIXME: Verify encoding after integrated assembler is working.
+def VTOSIRD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ IIC_fpCVTDI, "vcvtr", ".s32.f64\t$Sd, $Dm",
+ [(set SPR:$Sd, (int_arm_vcvtr (f64 DPR:$Dm)))]>{
+ let Inst{7} = 0; // Z bit
+}
+
+def VTOSIRS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpCVTSI, "vcvtr", ".s32.f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (int_arm_vcvtr SPR:$Sm))]> {
+ let Inst{7} = 0; // Z bit
+}
+
+def VTOUIRD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ IIC_fpCVTDI, "vcvtr", ".u32.f64\t$Sd, $Dm",
+ [(set SPR:$Sd, (int_arm_vcvtru(f64 DPR:$Dm)))]>{
+ let Inst{7} = 0; // Z bit
+}
+
+def VTOUIRS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ IIC_fpCVTSI, "vcvtr", ".u32.f32\t$Sd, $Sm",
+ [(set SPR:$Sd, (int_arm_vcvtru SPR:$Sm))]> {
+ let Inst{7} = 0; // Z bit
+}
+}
+
+// Convert between floating-point and fixed-point
+// Data type for fixed-point naming convention:
+// S16 (U=0, sx=0) -> SH
+// U16 (U=1, sx=0) -> UH
+// S32 (U=0, sx=1) -> SL
+// U32 (U=1, sx=1) -> UL
+
+let Constraints = "$a = $dst" in {
+
+// FP to Fixed-Point:
+
+// Single Precision register
+class AVConv1XInsS_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4,
+ bit op5, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern> {
+ bits<5> dst;
+ // if dp_operation then UInt(D:Vd) else UInt(Vd:D);
+ let Inst{22} = dst{0};
+ let Inst{15-12} = dst{4-1};
+}
+
+// Double Precision register
+class AVConv1XInsD_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4,
+ bit op5, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern> {
+ bits<5> dst;
+ // if dp_operation then UInt(D:Vd) else UInt(Vd:D);
+ let Inst{22} = dst{4};
+ let Inst{15-12} = dst{3-0};
+}
+
+def VTOSHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 0,
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTSI, "vcvt", ".s16.f32\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VTOUHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 0,
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VTOSLS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 1,
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VTOULS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 1,
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VTOSHD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1110, 0b1011, 0,
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTDI, "vcvt", ".s16.f64\t$dst, $a, $fbits", []>;
+
+def VTOUHD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1111, 0b1011, 0,
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTDI, "vcvt", ".u16.f64\t$dst, $a, $fbits", []>;
+
+def VTOSLD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1110, 0b1011, 1,
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a, $fbits", []>;
+
+def VTOULD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1111, 0b1011, 1,
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a, $fbits", []>;
+
+// Fixed-Point to FP:
+
+def VSHTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1010, 0,
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.s16\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VUHTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1010, 0,
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.u16\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VSLTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1010, 1,
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VULTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1010, 1,
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a, $fbits", []> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def VSHTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1010, 0b1011, 0,
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.s16\t$dst, $a, $fbits", []>;
+
+def VUHTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1011, 0b1011, 0,
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.u16\t$dst, $a, $fbits", []>;
+
+def VSLTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1010, 0b1011, 1,
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a, $fbits", []>;
+
+def VULTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1011, 0b1011, 1,
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a, $fbits", []>;
+
+} // End of 'let Constraints = "$a = $dst" in'
+
+//===----------------------------------------------------------------------===//
+// FP Multiply-Accumulate Operations.
+//
+
+def VMLAD : ADbI<0b11100, 0b00, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpMAC64, "vmla", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+
+def VMLAS : ASbIn<0b11100, 0b00, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpMAC32, "vmla", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
+ SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
+ (VMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
+ (VMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx,DontUseFusedMAC]>;
+
+def VMLSD : ADbI<0b11100, 0b00, 1, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpMAC64, "vmls", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+
+def VMLSS : ASbIn<0b11100, 0b00, 1, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpMAC32, "vmls", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
+ SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
+ (VMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
+ (VMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
+
+def VNMLAD : ADbI<0b11100, 0b01, 1, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpMAC64, "vnmla", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+
+def VNMLAS : ASbI<0b11100, 0b01, 1, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpMAC32, "vnmla", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
+ SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
+ (VNMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
+ (VNMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
+
+def VNMLSD : ADbI<0b11100, 0b01, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpMAC64, "vnmls", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+
+def VNMLSS : ASbI<0b11100, 0b01, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpMAC32, "vnmls", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fsub_mlx (fmul_su SPR:$Sn, SPR:$Sm), SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines on A8.
+ let D = VFPNeonA8Domain;
+}
+
+def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
+ (VNMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
+def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
+ (VNMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
+
+//===----------------------------------------------------------------------===//
+// Fused FP Multiply-Accumulate Operations.
+//
+def VFMAD : ADbI<0b11101, 0b10, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpFMAC64, "vfma", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP4,UseFusedMAC]>;
+
+def VFMAS : ASbIn<0b11101, 0b10, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpFMAC32, "vfma", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
+ SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
+ (VFMAD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,UseFusedMAC]>;
+def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
+ (VFMAS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+// (fma x, y, z) -> (vfms z, x, y)
+def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, DPR:$Ddin)),
+ (VFMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(f32 (fma SPR:$Sn, SPR:$Sm, SPR:$Sdin)),
+ (VFMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+
+def VFMSD : ADbI<0b11101, 0b10, 1, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpFMAC64, "vfms", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP4,UseFusedMAC]>;
+
+def VFMSS : ASbIn<0b11101, 0b10, 1, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpFMAC32, "vfms", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
+ SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
+ (VFMSD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,UseFusedMAC]>;
+def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
+ (VFMSS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+// (fma (fneg x), y, z) -> (vfms z, x, y)
+def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin)),
+ (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(f32 (fma (fneg SPR:$Sn), SPR:$Sm, SPR:$Sdin)),
+ (VFMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+// (fma x, (fneg y), z) -> (vfms z, x, y)
+def : Pat<(f64 (fma DPR:$Dn, (fneg DPR:$Dm), DPR:$Ddin)),
+ (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin)),
+ (VFMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+
+def VFNMAD : ADbI<0b11101, 0b01, 1, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpFMAC64, "vfnma", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP4,UseFusedMAC]>;
+
+def VFNMAS : ASbI<0b11101, 0b01, 1, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpFMAC32, "vfnma", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
+ SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
+ (VFNMAD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,UseFusedMAC]>;
+def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
+ (VFNMAS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+// (fneg (fma x, y, z)) -> (vfnma z, x, y)
+def : Pat<(fneg (fma (f64 DPR:$Dn), (f64 DPR:$Dm), (f64 DPR:$Ddin))),
+ (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(fneg (fma (f32 SPR:$Sn), (f32 SPR:$Sm), (f32 SPR:$Sdin))),
+ (VFNMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+// (fma (fneg x), y, (fneg z)) -> (vfnma z, x, y)
+def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, (fneg DPR:$Ddin))),
+ (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(f32 (fma (fneg SPR:$Sn), SPR:$Sm, (fneg SPR:$Sdin))),
+ (VFNMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+
+def VFNMSD : ADbI<0b11101, 0b01, 0, 0,
+ (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
+ IIC_fpFMAC64, "vfnms", ".f64\t$Dd, $Dn, $Dm",
+ [(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
+ (f64 DPR:$Ddin)))]>,
+ RegConstraint<"$Ddin = $Dd">,
+ Requires<[HasVFP4,UseFusedMAC]>;
+
+def VFNMSS : ASbI<0b11101, 0b01, 0, 0,
+ (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
+ IIC_fpFMAC32, "vfnms", ".f32\t$Sd, $Sn, $Sm",
+ [(set SPR:$Sd, (fsub_mlx (fmul_su SPR:$Sn, SPR:$Sm), SPR:$Sdin))]>,
+ RegConstraint<"$Sdin = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
+ (VFNMSD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,UseFusedMAC]>;
+def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
+ (VFNMSS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+
+// (fma x, y, (fneg z)) -> (vfnms z, x, y))
+def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, (fneg DPR:$Ddin))),
+ (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(f32 (fma SPR:$Sn, SPR:$Sm, (fneg SPR:$Sdin))),
+ (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+// (fneg (fma (fneg x), y, z)) -> (vfnms z, x, y)
+def : Pat<(fneg (f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin))),
+ (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(fneg (f32 (fma (fneg SPR:$Sn), SPR:$Sm, SPR:$Sdin))),
+ (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+// (fneg (fma x, (fneg y), z) -> (vfnms z, x, y)
+def : Pat<(fneg (f64 (fma DPR:$Dn, (fneg DPR:$Dm), DPR:$Ddin))),
+ (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4]>;
+def : Pat<(fneg (f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin))),
+ (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
+ Requires<[HasVFP4]>;
+
+//===----------------------------------------------------------------------===//
+// FP Conditional moves.
+//
+
+let neverHasSideEffects = 1 in {
+def VMOVDcc : ARMPseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, pred:$p),
+ 4, IIC_fpUNA64,
+ [/*(set DPR:$Dd, (ARMcmov DPR:$Dn, DPR:$Dm, imm:$cc))*/]>,
+ RegConstraint<"$Dn = $Dd">;
+
+def VMOVScc : ARMPseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, pred:$p),
+ 4, IIC_fpUNA32,
+ [/*(set SPR:$Sd, (ARMcmov SPR:$Sn, SPR:$Sm, imm:$cc))*/]>,
+ RegConstraint<"$Sn = $Sd">;
+} // neverHasSideEffects
+
+//===----------------------------------------------------------------------===//
+// Move from VFP System Register to ARM core register.
+//
+
+class MovFromVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm,
+ list<dag> pattern>:
+ VFPAI<oops, iops, VFPMiscFrm, IIC_fpSTAT, opc, asm, pattern> {
+
+ // Instruction operand.
+ bits<4> Rt;
+
+ let Inst{27-20} = 0b11101111;
+ let Inst{19-16} = opc19_16;
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = 0b1010;
+ let Inst{7} = 0;
+ let Inst{6-5} = 0b00;
+ let Inst{4} = 1;
+ let Inst{3-0} = 0b0000;
+}
+
+// APSR is the application level alias of CPSR. This FPSCR N, Z, C, V flags
+// to APSR.
+let Defs = [CPSR], Uses = [FPSCR_NZCV], Rt = 0b1111 /* apsr_nzcv */ in
+def FMSTAT : MovFromVFP<0b0001 /* fpscr */, (outs), (ins),
+ "vmrs", "\tAPSR_nzcv, fpscr", [(arm_fmstat)]>;
+
+// Application level FPSCR -> GPR
+let hasSideEffects = 1, Uses = [FPSCR] in
+def VMRS : MovFromVFP<0b0001 /* fpscr */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, fpscr",
+ [(set GPR:$Rt, (int_arm_get_fpscr))]>;
+
+// System level FPEXC, FPSID -> GPR
+let Uses = [FPSCR] in {
+ def VMRS_FPEXC : MovFromVFP<0b1000 /* fpexc */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, fpexc", []>;
+ def VMRS_FPSID : MovFromVFP<0b0000 /* fpsid */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, fpsid", []>;
+ def VMRS_MVFR0 : MovFromVFP<0b0111 /* mvfr0 */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, mvfr0", []>;
+ def VMRS_MVFR1 : MovFromVFP<0b0110 /* mvfr1 */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, mvfr1", []>;
+}
+
+//===----------------------------------------------------------------------===//
+// Move from ARM core register to VFP System Register.
+//
+
+class MovToVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm,
+ list<dag> pattern>:
+ VFPAI<oops, iops, VFPMiscFrm, IIC_fpSTAT, opc, asm, pattern> {
+
+ // Instruction operand.
+ bits<4> src;
+
+ // Encode instruction operand.
+ let Inst{15-12} = src;
+
+ let Inst{27-20} = 0b11101110;
+ let Inst{19-16} = opc19_16;
+ let Inst{11-8} = 0b1010;
+ let Inst{7} = 0;
+ let Inst{4} = 1;
+}
+
+let Defs = [FPSCR] in {
+ // Application level GPR -> FPSCR
+ def VMSR : MovToVFP<0b0001 /* fpscr */, (outs), (ins GPR:$src),
+ "vmsr", "\tfpscr, $src", [(int_arm_set_fpscr GPR:$src)]>;
+ // System level GPR -> FPEXC
+ def VMSR_FPEXC : MovToVFP<0b1000 /* fpexc */, (outs), (ins GPR:$src),
+ "vmsr", "\tfpexc, $src", []>;
+ // System level GPR -> FPSID
+ def VMSR_FPSID : MovToVFP<0b0000 /* fpsid */, (outs), (ins GPR:$src),
+ "vmsr", "\tfpsid, $src", []>;
+}
+
+//===----------------------------------------------------------------------===//
+// Misc.
+//
+
+// Materialize FP immediates. VFP3 only.
+let isReMaterializable = 1 in {
+def FCONSTD : VFPAI<(outs DPR:$Dd), (ins vfp_f64imm:$imm),
+ VFPMiscFrm, IIC_fpUNA64,
+ "vmov", ".f64\t$Dd, $imm",
+ [(set DPR:$Dd, vfp_f64imm:$imm)]>, Requires<[HasVFP3]> {
+ bits<5> Dd;
+ bits<8> imm;
+
+ let Inst{27-23} = 0b11101;
+ let Inst{22} = Dd{4};
+ let Inst{21-20} = 0b11;
+ let Inst{19-16} = imm{7-4};
+ let Inst{15-12} = Dd{3-0};
+ let Inst{11-9} = 0b101;
+ let Inst{8} = 1; // Double precision.
+ let Inst{7-4} = 0b0000;
+ let Inst{3-0} = imm{3-0};
+}
+
+def FCONSTS : VFPAI<(outs SPR:$Sd), (ins vfp_f32imm:$imm),
+ VFPMiscFrm, IIC_fpUNA32,
+ "vmov", ".f32\t$Sd, $imm",
+ [(set SPR:$Sd, vfp_f32imm:$imm)]>, Requires<[HasVFP3]> {
+ bits<5> Sd;
+ bits<8> imm;
+
+ let Inst{27-23} = 0b11101;
+ let Inst{22} = Sd{0};
+ let Inst{21-20} = 0b11;
+ let Inst{19-16} = imm{7-4};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{11-9} = 0b101;
+ let Inst{8} = 0; // Single precision.
+ let Inst{7-4} = 0b0000;
+ let Inst{3-0} = imm{3-0};
+}
+}
+
+//===----------------------------------------------------------------------===//
+// Assembler aliases.
+//
+// A few mnemnoic aliases for pre-unifixed syntax. We don't guarantee to
+// support them all, but supporting at least some of the basics is
+// good to be friendly.
+def : VFP2MnemonicAlias<"flds", "vldr">;
+def : VFP2MnemonicAlias<"fldd", "vldr">;
+def : VFP2MnemonicAlias<"fmrs", "vmov">;
+def : VFP2MnemonicAlias<"fmsr", "vmov">;
+def : VFP2MnemonicAlias<"fsqrts", "vsqrt">;
+def : VFP2MnemonicAlias<"fsqrtd", "vsqrt">;
+def : VFP2MnemonicAlias<"fadds", "vadd.f32">;
+def : VFP2MnemonicAlias<"faddd", "vadd.f64">;
+def : VFP2MnemonicAlias<"fmrdd", "vmov">;
+def : VFP2MnemonicAlias<"fmrds", "vmov">;
+def : VFP2MnemonicAlias<"fmrrd", "vmov">;
+def : VFP2MnemonicAlias<"fmdrr", "vmov">;
+def : VFP2MnemonicAlias<"fmuls", "vmul.f32">;
+def : VFP2MnemonicAlias<"fmuld", "vmul.f64">;
+def : VFP2MnemonicAlias<"fnegs", "vneg.f32">;
+def : VFP2MnemonicAlias<"fnegd", "vneg.f64">;
+def : VFP2MnemonicAlias<"ftosizd", "vcvt.s32.f64">;
+def : VFP2MnemonicAlias<"ftosid", "vcvtr.s32.f64">;
+def : VFP2MnemonicAlias<"ftosizs", "vcvt.s32.f32">;
+def : VFP2MnemonicAlias<"ftosis", "vcvtr.s32.f32">;
+def : VFP2MnemonicAlias<"ftouizd", "vcvt.u32.f64">;
+def : VFP2MnemonicAlias<"ftouid", "vcvtr.u32.f64">;
+def : VFP2MnemonicAlias<"ftouizs", "vcvt.u32.f32">;
+def : VFP2MnemonicAlias<"ftouis", "vcvtr.u32.f32">;
+def : VFP2MnemonicAlias<"fsitod", "vcvt.f64.s32">;
+def : VFP2MnemonicAlias<"fsitos", "vcvt.f32.s32">;
+def : VFP2MnemonicAlias<"fuitod", "vcvt.f64.u32">;
+def : VFP2MnemonicAlias<"fuitos", "vcvt.f32.u32">;
+def : VFP2MnemonicAlias<"fsts", "vstr">;
+def : VFP2MnemonicAlias<"fstd", "vstr">;
+def : VFP2MnemonicAlias<"fmacd", "vmla.f64">;
+def : VFP2MnemonicAlias<"fmacs", "vmla.f32">;
+def : VFP2MnemonicAlias<"fcpys", "vmov.f32">;
+def : VFP2MnemonicAlias<"fcpyd", "vmov.f64">;
+def : VFP2MnemonicAlias<"fcmps", "vcmp.f32">;
+def : VFP2MnemonicAlias<"fcmpd", "vcmp.f64">;
+def : VFP2MnemonicAlias<"fdivs", "vdiv.f32">;
+def : VFP2MnemonicAlias<"fdivd", "vdiv.f64">;
+def : VFP2MnemonicAlias<"fmrx", "vmrs">;
+def : VFP2MnemonicAlias<"fmxr", "vmsr">;
+
+// Be friendly and accept the old form of zero-compare
+def : VFP2InstAlias<"fcmpzd${p} $val", (VCMPZD DPR:$val, pred:$p)>;
+def : VFP2InstAlias<"fcmpzs${p} $val", (VCMPZS SPR:$val, pred:$p)>;
+
+
+def : VFP2InstAlias<"fmstat${p}", (FMSTAT pred:$p)>;
+def : VFP2InstAlias<"fadds${p} $Sd, $Sn, $Sm",
+ (VADDS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
+def : VFP2InstAlias<"faddd${p} $Dd, $Dn, $Dm",
+ (VADDD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>;
+def : VFP2InstAlias<"fsubs${p} $Sd, $Sn, $Sm",
+ (VSUBS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
+def : VFP2InstAlias<"fsubd${p} $Dd, $Dn, $Dm",
+ (VSUBD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>;
+
+// No need for the size suffix on VSQRT. It's implied by the register classes.
+def : VFP2InstAlias<"vsqrt${p} $Sd, $Sm", (VSQRTS SPR:$Sd, SPR:$Sm, pred:$p)>;
+def : VFP2InstAlias<"vsqrt${p} $Dd, $Dm", (VSQRTD DPR:$Dd, DPR:$Dm, pred:$p)>;
+
+// VLDR/VSTR accept an optional type suffix.
+def : VFP2InstAlias<"vldr${p}.32 $Sd, $addr",
+ (VLDRS SPR:$Sd, addrmode5:$addr, pred:$p)>;
+def : VFP2InstAlias<"vstr${p}.32 $Sd, $addr",
+ (VSTRS SPR:$Sd, addrmode5:$addr, pred:$p)>;
+def : VFP2InstAlias<"vldr${p}.64 $Dd, $addr",
+ (VLDRD DPR:$Dd, addrmode5:$addr, pred:$p)>;
+def : VFP2InstAlias<"vstr${p}.64 $Dd, $addr",
+ (VSTRD DPR:$Dd, addrmode5:$addr, pred:$p)>;
+
+// VMOV can accept optional 32-bit or less data type suffix suffix.
+def : VFP2InstAlias<"vmov${p}.8 $Rt, $Sn",
+ (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.16 $Rt, $Sn",
+ (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.32 $Rt, $Sn",
+ (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.8 $Sn, $Rt",
+ (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.16 $Sn, $Rt",
+ (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.32 $Sn, $Rt",
+ (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
+
+def : VFP2InstAlias<"vmov${p}.f64 $Rt, $Rt2, $Dn",
+ (VMOVRRD GPR:$Rt, GPR:$Rt2, DPR:$Dn, pred:$p)>;
+def : VFP2InstAlias<"vmov${p}.f64 $Dn, $Rt, $Rt2",
+ (VMOVDRR DPR:$Dn, GPR:$Rt, GPR:$Rt2, pred:$p)>;
+
+// VMOVS doesn't need the .f32 to disambiguate from the NEON encoding the way
+// VMOVD does.
+def : VFP2InstAlias<"vmov${p} $Sd, $Sm",
+ (VMOVS SPR:$Sd, SPR:$Sm, pred:$p)>;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-03 17:31:55 +0000