//
//===----------------------------------------------------------------------===//
-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.
//
}], SDNodeXForm<fpimm, [{
APFloat InVal = N->getValueAPF();
uint32_t enc = ARM_AM::getFP32Imm(InVal);
- return CurDAG->getTargetConstant(enc, MVT::i32);
+ return CurDAG->getTargetConstant(enc, SDLoc(N), MVT::i32);
}]>> {
let PrintMethod = "printFPImmOperand";
let ParserMatchClass = FPImmOperand;
}], SDNodeXForm<fpimm, [{
APFloat InVal = N->getValueAPF();
uint32_t enc = ARM_AM::getFP64Imm(InVal);
- return CurDAG->getTargetConstant(enc, MVT::i32);
+ return CurDAG->getTargetConstant(enc, SDLoc(N), 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
def VLDRD : ADI5<0b1101, 0b01, (outs DPR:$Dd), (ins addrmode5:$addr),
IIC_fpLoad64, "vldr", "\t$Dd, $addr",
- [(set DPR:$Dd, (f64 (load addrmode5:$addr)))]>;
+ [(set DPR:$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:$addr))]> {
+ [(set SPR:$Sd, (alignedload32 addrmode5:$addr))]> {
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
let D = VFPNeonDomain;
def VSTRD : ADI5<0b1101, 0b00, (outs), (ins DPR:$Dd, addrmode5:$addr),
IIC_fpStore64, "vstr", "\t$Dd, $addr",
- [(store (f64 DPR:$Dd), addrmode5:$addr)]>;
+ [(alignedstore32 (f64 DPR:$Dd), addrmode5:$addr)]>;
def VSTRS : ASI5<0b1101, 0b00, (outs), (ins SPR:$Sd, addrmode5:$addr),
IIC_fpStore32, "vstr", "\t$Sd, $addr",
- [(store SPR:$Sd, addrmode5:$addr)]> {
+ [(alignedstore32 SPR:$Sd, addrmode5:$addr)]> {
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
let D = VFPNeonDomain;
}
}
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
defm VLDM : vfp_ldst_mult<"vldm", 1, IIC_fpLoad_m, IIC_fpLoad_mu>;
let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
-defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpLoad_m, IIC_fpLoad_mu>;
+defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpStore_m, IIC_fpStore_mu>;
-} // neverHasSideEffects
+} // hasSideEffects
def : MnemonicAlias<"vldm", "vldmia">;
def : MnemonicAlias<"vstm", "vstmia">;
+// FLDM/FSTM - Load / Store multiple single / double precision registers for
+// pre-ARMv6 cores.
+// These instructions are deprecated!
+def : VFP2MnemonicAlias<"fldmias", "vldmia">;
+def : VFP2MnemonicAlias<"fldmdbs", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmeas", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmfds", "vldmia">;
+def : VFP2MnemonicAlias<"fldmiad", "vldmia">;
+def : VFP2MnemonicAlias<"fldmdbd", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmead", "vldmdb">;
+def : VFP2MnemonicAlias<"fldmfdd", "vldmia">;
+
+def : VFP2MnemonicAlias<"fstmias", "vstmia">;
+def : VFP2MnemonicAlias<"fstmdbs", "vstmdb">;
+def : VFP2MnemonicAlias<"fstmeas", "vstmia">;
+def : VFP2MnemonicAlias<"fstmfds", "vstmdb">;
+def : VFP2MnemonicAlias<"fstmiad", "vstmia">;
+def : VFP2MnemonicAlias<"fstmdbd", "vstmdb">;
+def : VFP2MnemonicAlias<"fstmead", "vstmia">;
+def : VFP2MnemonicAlias<"fstmfdd", "vstmdb">;
+
def : InstAlias<"vpush${p} $r", (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>,
Requires<[HasVFP2]>;
def : InstAlias<"vpush${p} $r", (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>,
defm : VFPDTAnyInstAlias<"vpop${p}", "$r",
(VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>;
-// FLDMX, FSTMX - mixing S/D registers for pre-armv6 cores
+// FLDMX, FSTMX - Load and store multiple unknown precision registers for
+// pre-armv6 cores.
+// These instruction are deprecated so we don't want them to get selected.
+multiclass vfp_ldstx_mult<string asm, bit L_bit> {
+ // Unknown precision
+ def XIA :
+ AXXI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
+ IndexModeNone, !strconcat(asm, "iax${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ }
+ def XIA_UPD :
+ AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
+ IndexModeUpd, !strconcat(asm, "iax${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+ def XDB_UPD :
+ AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
+ IndexModeUpd, !strconcat(asm, "dbx${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+}
+
+defm FLDM : vfp_ldstx_mult<"fldm", 1>;
+defm FSTM : vfp_ldstx_mult<"fstm", 0>;
+
+def : VFP2MnemonicAlias<"fldmeax", "fldmdbx">;
+def : VFP2MnemonicAlias<"fldmfdx", "fldmiax">;
+
+def : VFP2MnemonicAlias<"fstmeax", "fstmiax">;
+def : VFP2MnemonicAlias<"fstmfdx", "fstmdbx">;
//===----------------------------------------------------------------------===//
// FP Binary Operations.
//
+let TwoOperandAliasConstraint = "$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, $Sm",
let D = VFPNeonA8Domain;
}
+let TwoOperandAliasConstraint = "$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, $Sm",
let D = VFPNeonA8Domain;
}
+let TwoOperandAliasConstraint = "$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, $Sm",
let D = VFPNeonA8Domain;
}
+multiclass vsel_inst<string op, bits<2> opc, int CC> {
+ let DecoderNamespace = "VFPV8", PostEncoderMethod = "",
+ Uses = [CPSR], AddedComplexity = 4 in {
+ def S : ASbInp<0b11100, opc, 0,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ NoItinerary, !strconcat("vsel", op, ".f32\t$Sd, $Sn, $Sm"),
+ [(set SPR:$Sd, (ARMcmov SPR:$Sm, SPR:$Sn, CC))]>,
+ Requires<[HasFPARMv8]>;
+
+ def D : ADbInp<0b11100, opc, 0,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ NoItinerary, !strconcat("vsel", op, ".f64\t$Dd, $Dn, $Dm"),
+ [(set DPR:$Dd, (ARMcmov (f64 DPR:$Dm), (f64 DPR:$Dn), CC))]>,
+ Requires<[HasFPARMv8, HasDPVFP]>;
+ }
+}
+
+// The CC constants here match ARMCC::CondCodes.
+defm VSELGT : vsel_inst<"gt", 0b11, 12>;
+defm VSELGE : vsel_inst<"ge", 0b10, 10>;
+defm VSELEQ : vsel_inst<"eq", 0b00, 0>;
+defm VSELVS : vsel_inst<"vs", 0b01, 6>;
+
+multiclass vmaxmin_inst<string op, bit opc, SDNode SD> {
+ let DecoderNamespace = "VFPV8", PostEncoderMethod = "" in {
+ def S : ASbInp<0b11101, 0b00, opc,
+ (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
+ NoItinerary, !strconcat(op, ".f32\t$Sd, $Sn, $Sm"),
+ [(set SPR:$Sd, (SD SPR:$Sn, SPR:$Sm))]>,
+ Requires<[HasFPARMv8]>;
+
+ def D : ADbInp<0b11101, 0b00, opc,
+ (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
+ NoItinerary, !strconcat(op, ".f64\t$Dd, $Dn, $Dm"),
+ [(set DPR:$Dd, (f64 (SD (f64 DPR:$Dn), (f64 DPR:$Dm))))]>,
+ Requires<[HasFPARMv8, HasDPVFP]>;
+ }
+}
+
+defm VMAXNM : vmaxmin_inst<"vmaxnm", 0, fmaxnum>;
+defm VMINNM : vmaxmin_inst<"vminnm", 1, fminnum>;
+
// 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]>;
+ (VNMULD DPR:$a, DPR:$b)>,
+ Requires<[NoHonorSignDependentRounding,HasDPVFP]>;
def : Pat<(fmul (fneg SPR:$a), SPR:$b),
(VNMULS SPR:$a, SPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
let Inst{5} = Sm{0};
let Inst{15-12} = Dd{3-0};
let Inst{22} = Dd{4};
+
+ let Predicates = [HasVFP2, HasDPVFP];
}
// Special case encoding: bits 11-8 is 0b1011.
let Inst{11-8} = 0b1011;
let Inst{7-6} = 0b11;
let Inst{4} = 0;
+
+ let Predicates = [HasVFP2, HasDPVFP];
}
-// Between half-precision and single-precision. For disassembly only.
+// Between half, single and double-precision. For disassembly only.
// FIXME: Verify encoding after integrated assembler is working.
-def VCVTBSH: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+def VCVTBHS: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
/* FIXME */ IIC_fpCVTSH, "vcvtb", ".f32.f16\t$Sd, $Sm",
- [/* For disassembly only; pattern left blank */]>;
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[HasFP16]>;
-def : ARMPat<(f32_to_f16 SPR:$a),
- (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
-
-def VCVTBHS: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+def VCVTBSH: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
/* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$Sd, $Sm",
- [/* For disassembly only; pattern left blank */]>;
-
-def : ARMPat<(f16_to_f32 GPR:$a),
- (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[HasFP16]>;
-def VCVTTSH: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+def VCVTTHS: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
/* FIXME */ IIC_fpCVTSH, "vcvtt", ".f32.f16\t$Sd, $Sm",
- [/* For disassembly only; pattern left blank */]>;
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[HasFP16]>;
-def VCVTTHS: ASuI<0b11101, 0b11, 0b0011, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
+def VCVTTSH: ASuI<0b11101, 0b11, 0b0011, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
/* FIXME */ IIC_fpCVTHS, "vcvtt", ".f16.f32\t$Sd, $Sm",
- [/* For disassembly only; pattern left blank */]>;
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[HasFP16]>;
+
+def VCVTBHD : ADuI<0b11101, 0b11, 0b0010, 0b01, 0,
+ (outs DPR:$Dd), (ins SPR:$Sm),
+ NoItinerary, "vcvtb", ".f64.f16\t$Dd, $Sm",
+ []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ // Instruction operands.
+ bits<5> Sm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+}
+
+def VCVTBDH : ADuI<0b11101, 0b11, 0b0011, 0b01, 0,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ NoItinerary, "vcvtb", ".f16.f64\t$Sd, $Dm",
+ []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Dm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+}
+
+def VCVTTHD : ADuI<0b11101, 0b11, 0b0010, 0b11, 0,
+ (outs DPR:$Dd), (ins SPR:$Sm),
+ NoItinerary, "vcvtt", ".f64.f16\t$Dd, $Sm",
+ []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ // Instruction operands.
+ bits<5> Sm;
+
+ // Encode instruction operands.
+ let Inst{3-0} = Sm{4-1};
+ let Inst{5} = Sm{0};
+}
+
+def VCVTTDH : ADuI<0b11101, 0b11, 0b0011, 0b11, 0,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ NoItinerary, "vcvtt", ".f16.f64\t$Sd, $Dm",
+ []>, Requires<[HasFPARMv8, HasDPVFP]> {
+ // Instruction operands.
+ bits<5> Sd;
+ bits<5> Dm;
+
+ // Encode instruction operands.
+ let Inst{15-12} = Sd{4-1};
+ let Inst{22} = Sd{0};
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+}
+
+def : Pat<(fp_to_f16 SPR:$a),
+ (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
+
+def : Pat<(fp_to_f16 (f64 DPR:$a)),
+ (i32 (COPY_TO_REGCLASS (VCVTBDH DPR:$a), GPR))>;
+
+def : Pat<(f16_to_fp GPR:$a),
+ (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+def : Pat<(f64 (f16_to_fp GPR:$a)),
+ (VCVTBHD (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+multiclass vcvt_inst<string opc, bits<2> rm,
+ SDPatternOperator node = null_frag> {
+ let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in {
+ def SS : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ NoItinerary, !strconcat("vcvt", opc, ".s32.f32\t$Sd, $Sm"),
+ []>,
+ Requires<[HasFPARMv8]> {
+ let Inst{17-16} = rm;
+ }
+
+ def US : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ NoItinerary, !strconcat("vcvt", opc, ".u32.f32\t$Sd, $Sm"),
+ []>,
+ Requires<[HasFPARMv8]> {
+ let Inst{17-16} = rm;
+ }
+
+ def SD : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ NoItinerary, !strconcat("vcvt", opc, ".s32.f64\t$Sd, $Dm"),
+ []>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
+ bits<5> Dm;
+
+ let Inst{17-16} = rm;
+
+ // Encode instruction operands
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{8} = 1;
+ }
+
+ def UD : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0,
+ (outs SPR:$Sd), (ins DPR:$Dm),
+ NoItinerary, !strconcat("vcvt", opc, ".u32.f64\t$Sd, $Dm"),
+ []>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
+ bits<5> Dm;
+
+ let Inst{17-16} = rm;
+
+ // Encode instruction operands
+ let Inst{3-0} = Dm{3-0};
+ let Inst{5} = Dm{4};
+ let Inst{8} = 1;
+ }
+ }
+
+ let Predicates = [HasFPARMv8] in {
+ def : Pat<(i32 (fp_to_sint (node SPR:$a))),
+ (COPY_TO_REGCLASS
+ (!cast<Instruction>(NAME#"SS") SPR:$a),
+ GPR)>;
+ def : Pat<(i32 (fp_to_uint (node SPR:$a))),
+ (COPY_TO_REGCLASS
+ (!cast<Instruction>(NAME#"US") SPR:$a),
+ GPR)>;
+ }
+ let Predicates = [HasFPARMv8, HasDPVFP] in {
+ def : Pat<(i32 (fp_to_sint (node (f64 DPR:$a)))),
+ (COPY_TO_REGCLASS
+ (!cast<Instruction>(NAME#"SD") DPR:$a),
+ GPR)>;
+ def : Pat<(i32 (fp_to_uint (node (f64 DPR:$a)))),
+ (COPY_TO_REGCLASS
+ (!cast<Instruction>(NAME#"UD") DPR:$a),
+ GPR)>;
+ }
+}
+
+defm VCVTA : vcvt_inst<"a", 0b00, frnd>;
+defm VCVTN : vcvt_inst<"n", 0b01>;
+defm VCVTP : vcvt_inst<"p", 0b10, fceil>;
+defm VCVTM : vcvt_inst<"m", 0b11, ffloor>;
def VNEGD : ADuI<0b11101, 0b11, 0b0001, 0b01, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
let D = VFPNeonA8Domain;
}
+multiclass vrint_inst_zrx<string opc, bit op, bit op2, SDPatternOperator node> {
+ def S : ASuI<0b11101, 0b11, 0b0110, 0b11, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ NoItinerary, !strconcat("vrint", opc), ".f32\t$Sd, $Sm",
+ [(set (f32 SPR:$Sd), (node (f32 SPR:$Sm)))]>,
+ Requires<[HasFPARMv8]> {
+ let Inst{7} = op2;
+ let Inst{16} = op;
+ }
+ def D : ADuI<0b11101, 0b11, 0b0110, 0b11, 0,
+ (outs DPR:$Dd), (ins DPR:$Dm),
+ NoItinerary, !strconcat("vrint", opc), ".f64\t$Dd, $Dm",
+ [(set (f64 DPR:$Dd), (node (f64 DPR:$Dm)))]>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
+ let Inst{7} = op2;
+ let Inst{16} = op;
+ }
+
+ def : InstAlias<!strconcat("vrint", opc, "$p.f32.f32\t$Sd, $Sm"),
+ (!cast<Instruction>(NAME#"S") SPR:$Sd, SPR:$Sm, pred:$p)>,
+ Requires<[HasFPARMv8]>;
+ def : InstAlias<!strconcat("vrint", opc, "$p.f64.f64\t$Dd, $Dm"),
+ (!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm, pred:$p)>,
+ Requires<[HasFPARMv8,HasDPVFP]>;
+}
+
+defm VRINTZ : vrint_inst_zrx<"z", 0, 1, ftrunc>;
+defm VRINTR : vrint_inst_zrx<"r", 0, 0, fnearbyint>;
+defm VRINTX : vrint_inst_zrx<"x", 1, 0, frint>;
+
+multiclass vrint_inst_anpm<string opc, bits<2> rm,
+ SDPatternOperator node = null_frag> {
+ let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in {
+ def S : ASuInp<0b11101, 0b11, 0b1000, 0b01, 0,
+ (outs SPR:$Sd), (ins SPR:$Sm),
+ NoItinerary, !strconcat("vrint", opc, ".f32\t$Sd, $Sm"),
+ [(set (f32 SPR:$Sd), (node (f32 SPR:$Sm)))]>,
+ Requires<[HasFPARMv8]> {
+ let Inst{17-16} = rm;
+ }
+ def D : ADuInp<0b11101, 0b11, 0b1000, 0b01, 0,
+ (outs DPR:$Dd), (ins DPR:$Dm),
+ NoItinerary, !strconcat("vrint", opc, ".f64\t$Dd, $Dm"),
+ [(set (f64 DPR:$Dd), (node (f64 DPR:$Dm)))]>,
+ Requires<[HasFPARMv8, HasDPVFP]> {
+ let Inst{17-16} = rm;
+ }
+ }
+
+ def : InstAlias<!strconcat("vrint", opc, ".f32.f32\t$Sd, $Sm"),
+ (!cast<Instruction>(NAME#"S") SPR:$Sd, SPR:$Sm)>,
+ Requires<[HasFPARMv8]>;
+ def : InstAlias<!strconcat("vrint", opc, ".f64.f64\t$Dd, $Dm"),
+ (!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm)>,
+ Requires<[HasFPARMv8,HasDPVFP]>;
+}
+
+defm VRINTA : vrint_inst_anpm<"a", 0b00, frnd>;
+defm VRINTN : vrint_inst_anpm<"n", 0b01>;
+defm VRINTP : vrint_inst_anpm<"p", 0b10, fceil>;
+defm VRINTM : vrint_inst_anpm<"m", 0b11, ffloor>;
+
def VSQRTD : ADuI<0b11101, 0b11, 0b0001, 0b11, 0,
(outs DPR:$Dd), (ins DPR:$Dm),
IIC_fpSQRT64, "vsqrt", ".f64\t$Dd, $Dm",
IIC_fpSQRT32, "vsqrt", ".f32\t$Sd, $Sm",
[(set SPR:$Sd, (fsqrt SPR:$Sm))]>;
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def VMOVD : ADuI<0b11101, 0b11, 0b0000, 0b01, 0,
(outs DPR:$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, $Sm", []>;
-} // neverHasSideEffects
+} // hasSideEffects
//===----------------------------------------------------------------------===//
// FP <-> GPR Copies. Int <-> FP Conversions.
let D = VFPNeonDomain;
}
+// Bitcast i32 -> f32. NEON prefers to use VMOVDRR.
def VMOVSR : AVConv4I<0b11100000, 0b1010,
(outs SPR:$Sn), (ins GPR:$Rt),
IIC_fpMOVIS, "vmov", "\t$Sn, $Rt",
- [(set SPR:$Sn, (bitconvert GPR:$Rt))]> {
+ [(set SPR:$Sn, (bitconvert GPR:$Rt))]>,
+ Requires<[HasVFP2, UseVMOVSR]> {
// Instruction operands.
bits<5> Sn;
bits<4> Rt;
let D = VFPNeonDomain;
}
-let neverHasSideEffects = 1 in {
+let hasSideEffects = 0 in {
def VMOVRRD : AVConv3I<0b11000101, 0b1011,
(outs GPR:$Rt, GPR:$Rt2), (ins DPR:$Dm),
IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $Dm",
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
let D = VFPNeonDomain;
+
+ // This instruction is equivalent to
+ // $Rt = EXTRACT_SUBREG $Dm, ssub_0
+ // $Rt2 = EXTRACT_SUBREG $Dm, ssub_1
+ let isExtractSubreg = 1;
}
def VMOVRRS : AVConv3I<0b11000101, 0b1010,
bits<4> Rt2;
// Encode instruction operands.
- let Inst{3-0} = src1{3-0};
- let Inst{5} = src1{4};
+ let Inst{3-0} = src1{4-1};
+ let Inst{5} = src1{0};
let Inst{15-12} = Rt;
let Inst{19-16} = Rt2;
let D = VFPNeonDomain;
let DecoderMethod = "DecodeVMOVRRS";
}
-} // neverHasSideEffects
+} // hasSideEffects
// FMDHR: GPR -> SPR
// FMDLR: GPR -> SPR
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
let D = VFPNeonDomain;
-}
-let neverHasSideEffects = 1 in
+ // This instruction is equivalent to
+ // $Dm = REG_SEQUENCE $Rt, ssub_0, $Rt2, ssub_1
+ let isRegSequence = 1;
+}
+
+// Hoist an fabs or a fneg of a value coming from integer registers
+// and do the fabs/fneg on the integer value. This is never a lose
+// and could enable the conversion to float to be removed completely.
+def : Pat<(fabs (arm_fmdrr GPR:$Rl, GPR:$Rh)),
+ (VMOVDRR GPR:$Rl, (BFC GPR:$Rh, (i32 0x7FFFFFFF)))>,
+ Requires<[IsARM, HasV6T2]>;
+def : Pat<(fabs (arm_fmdrr GPR:$Rl, GPR:$Rh)),
+ (VMOVDRR GPR:$Rl, (t2BFC GPR:$Rh, (i32 0x7FFFFFFF)))>,
+ Requires<[IsThumb2, HasV6T2]>;
+def : Pat<(fneg (arm_fmdrr GPR:$Rl, GPR:$Rh)),
+ (VMOVDRR GPR:$Rl, (EORri GPR:$Rh, (i32 0x80000000)))>,
+ Requires<[IsARM]>;
+def : Pat<(fneg (arm_fmdrr GPR:$Rl, GPR:$Rh)),
+ (VMOVDRR GPR:$Rl, (t2EORri GPR:$Rh, (i32 0x80000000)))>,
+ Requires<[IsThumb2]>;
+
+let hasSideEffects = 0 in
def VMOVSRR : AVConv5I<0b11000100, 0b1010,
(outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2),
IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
bits<4> src2;
// Encode instruction operands.
- let Inst{3-0} = dst1{3-0};
- let Inst{5} = dst1{4};
+ let Inst{3-0} = dst1{4-1};
+ let Inst{5} = dst1{0};
let Inst{15-12} = src1;
let Inst{19-16} = src2;
let Inst{5} = Sm{0};
let Inst{15-12} = Dd{3-0};
let Inst{22} = Dd{4};
+
+ let Predicates = [HasVFP2, HasDPVFP];
}
class AVConv1InSs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
def VSITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011,
(outs DPR:$Dd), (ins SPR:$Sm),
IIC_fpCVTID, "vcvt", ".f64.s32\t$Dd, $Sm",
- [(set DPR:$Dd, (f64 (arm_sitof SPR:$Sm)))]> {
+ []> {
let Inst{7} = 1; // s32
}
+let Predicates=[HasVFP2, HasDPVFP] in {
+ def : VFPPat<(f64 (sint_to_fp GPR:$a)),
+ (VSITOD (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+ def : VFPPat<(f64 (sint_to_fp (i32 (alignedload32 addrmode5:$a)))),
+ (VSITOD (VLDRS addrmode5:$a))>;
+}
+
def VSITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010,
(outs SPR:$Sd),(ins SPR:$Sm),
IIC_fpCVTIS, "vcvt", ".f32.s32\t$Sd, $Sm",
- [(set SPR:$Sd, (arm_sitof SPR:$Sm))]> {
+ []> {
let Inst{7} = 1; // s32
// Some single precision VFP instructions may be executed on both NEON and
let D = VFPNeonA8Domain;
}
+def : VFPNoNEONPat<(f32 (sint_to_fp GPR:$a)),
+ (VSITOS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+def : VFPNoNEONPat<(f32 (sint_to_fp (i32 (alignedload32 addrmode5:$a)))),
+ (VSITOS (VLDRS addrmode5:$a))>;
+
def VUITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011,
(outs DPR:$Dd), (ins SPR:$Sm),
IIC_fpCVTID, "vcvt", ".f64.u32\t$Dd, $Sm",
- [(set DPR:$Dd, (f64 (arm_uitof SPR:$Sm)))]> {
+ []> {
let Inst{7} = 0; // u32
}
+let Predicates=[HasVFP2, HasDPVFP] in {
+ def : VFPPat<(f64 (uint_to_fp GPR:$a)),
+ (VUITOD (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+ def : VFPPat<(f64 (uint_to_fp (i32 (alignedload32 addrmode5:$a)))),
+ (VUITOD (VLDRS addrmode5:$a))>;
+}
+
def VUITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010,
(outs SPR:$Sd), (ins SPR:$Sm),
IIC_fpCVTIS, "vcvt", ".f32.u32\t$Sd, $Sm",
- [(set SPR:$Sd, (arm_uitof SPR:$Sm))]> {
+ []> {
let Inst{7} = 0; // u32
// Some single precision VFP instructions may be executed on both NEON and
let D = VFPNeonA8Domain;
}
+def : VFPNoNEONPat<(f32 (uint_to_fp GPR:$a)),
+ (VUITOS (COPY_TO_REGCLASS GPR:$a, SPR))>;
+
+def : VFPNoNEONPat<(f32 (uint_to_fp (i32 (alignedload32 addrmode5:$a)))),
+ (VUITOS (VLDRS addrmode5:$a))>;
+
// FP -> Int:
class AVConv1IsD_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
let Inst{5} = Dm{4};
let Inst{15-12} = Sd{4-1};
let Inst{22} = Sd{0};
+
+ let Predicates = [HasVFP2, HasDPVFP];
}
class AVConv1InsS_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
def VTOSIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011,
(outs SPR:$Sd), (ins DPR:$Dm),
IIC_fpCVTDI, "vcvt", ".s32.f64\t$Sd, $Dm",
- [(set SPR:$Sd, (arm_ftosi (f64 DPR:$Dm)))]> {
+ []> {
let Inst{7} = 1; // Z bit
}
+let Predicates=[HasVFP2, HasDPVFP] in {
+ def : VFPPat<(i32 (fp_to_sint (f64 DPR:$a))),
+ (COPY_TO_REGCLASS (VTOSIZD DPR:$a), GPR)>;
+
+ def : VFPPat<(alignedstore32 (i32 (fp_to_sint (f64 DPR:$a))), addrmode5:$ptr),
+ (VSTRS (VTOSIZD DPR:$a), addrmode5:$ptr)>;
+}
+
def VTOSIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010,
(outs SPR:$Sd), (ins SPR:$Sm),
IIC_fpCVTSI, "vcvt", ".s32.f32\t$Sd, $Sm",
- [(set SPR:$Sd, (arm_ftosi SPR:$Sm))]> {
+ []> {
let Inst{7} = 1; // Z bit
// Some single precision VFP instructions may be executed on both NEON and
let D = VFPNeonA8Domain;
}
+def : VFPNoNEONPat<(i32 (fp_to_sint SPR:$a)),
+ (COPY_TO_REGCLASS (VTOSIZS SPR:$a), GPR)>;
+
+def : VFPNoNEONPat<(alignedstore32 (i32 (fp_to_sint (f32 SPR:$a))),
+ addrmode5:$ptr),
+ (VSTRS (VTOSIZS SPR:$a), addrmode5:$ptr)>;
+
def VTOUIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011,
(outs SPR:$Sd), (ins DPR:$Dm),
IIC_fpCVTDI, "vcvt", ".u32.f64\t$Sd, $Dm",
- [(set SPR:$Sd, (arm_ftoui (f64 DPR:$Dm)))]> {
+ []> {
let Inst{7} = 1; // Z bit
}
+let Predicates=[HasVFP2, HasDPVFP] in {
+ def : VFPPat<(i32 (fp_to_uint (f64 DPR:$a))),
+ (COPY_TO_REGCLASS (VTOUIZD DPR:$a), GPR)>;
+
+ def : VFPPat<(alignedstore32 (i32 (fp_to_uint (f64 DPR:$a))), addrmode5:$ptr),
+ (VSTRS (VTOUIZD DPR:$a), addrmode5:$ptr)>;
+}
+
def VTOUIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010,
(outs SPR:$Sd), (ins SPR:$Sm),
IIC_fpCVTSI, "vcvt", ".u32.f32\t$Sd, $Sm",
- [(set SPR:$Sd, (arm_ftoui SPR:$Sm))]> {
+ []> {
let Inst{7} = 1; // Z bit
// Some single precision VFP instructions may be executed on both NEON and
let D = VFPNeonA8Domain;
}
+def : VFPNoNEONPat<(i32 (fp_to_uint SPR:$a)),
+ (COPY_TO_REGCLASS (VTOUIZS SPR:$a), GPR)>;
+
+def : VFPNoNEONPat<(alignedstore32 (i32 (fp_to_uint (f32 SPR:$a))),
+ addrmode5:$ptr),
+ (VSTRS (VTOUIZS SPR:$a), addrmode5:$ptr)>;
+
// And the Z bit '0' variants, i.e. use the rounding mode specified by FPSCR.
let Uses = [FPSCR] in {
// FIXME: Verify encoding after integrated assembler is working.
// FP to Fixed-Point:
// Single Precision register
-class AVConv1XInsS_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
- dag oops, dag iops, InstrItinClass itin, string opc, string asm,
- list<dag> pattern>
- : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern> {
+class AVConv1XInsS_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4,
+ bit op5, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern>,
+ Sched<[WriteCvtFP]> {
bits<5> dst;
// if dp_operation then UInt(D:Vd) else UInt(Vd:D);
let Inst{22} = dst{0};
}
// Double Precision register
-class AVConv1XInsD_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, bit op5,
- dag oops, dag iops, InstrItinClass itin, string opc, string asm,
- list<dag> pattern>
- : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern> {
+class AVConv1XInsD_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4,
+ bit op5, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern>,
+ Sched<[WriteCvtFP]> {
bits<5> dst;
// if dp_operation then UInt(D:Vd) else UInt(Vd:D);
let Inst{22} = dst{4};
let Inst{15-12} = dst{3-0};
+
+ let Predicates = [HasVFP2, HasDPVFP];
}
def VTOSHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 0,
[(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def VMLAS : ASbIn<0b11100, 0b00, 0, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
(VMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
(VMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx,DontUseFusedMAC]>;
def VMLSD : ADbI<0b11100, 0b00, 1, 0,
(outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
[(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def VMLSS : ASbIn<0b11100, 0b00, 1, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
(VMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
(VMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
def VNMLAD : ADbI<0b11100, 0b01, 1, 0,
(outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
[(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def VNMLAS : ASbI<0b11100, 0b01, 1, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
(VNMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
(VNMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
def VNMLSD : ADbI<0b11100, 0b01, 0, 0,
(outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
[(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def VNMLSS : ASbI<0b11100, 0b01, 0, 0,
(outs SPR:$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 = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
(VNMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>;
def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
(VNMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]>;
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
//===----------------------------------------------------------------------===//
// Fused FP Multiply-Accumulate Operations.
[(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def VFMAS : ASbIn<0b11101, 0b10, 0, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines.
}
def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
(VFMAD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
(VFMAS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+// (fma x, y, z) -> (vfms z, x, y)
+def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, DPR:$Ddin)),
+ (VFMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(f32 (fma SPR:$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:$Dm),
[(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def VFMSS : ASbIn<0b11101, 0b10, 1, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines.
}
def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
(VFMSD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
(VFMSS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+// (fma (fneg x), y, z) -> (vfms z, x, y)
+def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin)),
+ (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(f32 (fma (fneg SPR:$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:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(f32 (fma SPR:$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:$Dm),
[(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def VFNMAS : ASbI<0b11101, 0b01, 1, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines.
}
def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
(VFNMAD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
(VFNMAS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+// (fneg (fma x, y, z)) -> (vfnma z, x, y)
+def : Pat<(fneg (fma (f64 DPR:$Dn), (f64 DPR:$Dm), (f64 DPR:$Ddin))),
+ (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(fneg (fma (f32 SPR:$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:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(f32 (fma (fneg SPR:$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:$Dm),
[(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def VFNMSS : ASbI<0b11101, 0b01, 0, 0,
(outs SPR:$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 = $Sd">,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines.
}
def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
(VFNMSD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP4,FPContractions]>;
+ Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>;
def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
(VFNMSS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+ Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
+
+// Match @llvm.fma.* intrinsics
+
+// (fma x, y, (fneg z)) -> (vfnms z, x, y))
+def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, (fneg DPR:$Ddin))),
+ (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(f32 (fma SPR:$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:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(fneg (f32 (fma (fneg SPR:$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:$Dm)>,
+ Requires<[HasVFP4,HasDPVFP]>;
+def : Pat<(fneg (f32 (fma SPR:$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 = $Dd">;
+let hasSideEffects = 0 in {
+def VMOVDcc : PseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, cmovpred:$p),
+ IIC_fpUNA64,
+ [(set (f64 DPR:$Dd),
+ (ARMcmov DPR:$Dn, DPR:$Dm, cmovpred:$p))]>,
+ RegConstraint<"$Dn = $Dd">, Requires<[HasVFP2,HasDPVFP]>;
-def VMOVScc : ARMPseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, pred:$p),
- 4, IIC_fpUNA32,
- [/*(set SPR:$Sd, (ARMcmov SPR:$Sn, SPR:$Sm, imm:$cc))*/]>,
- RegConstraint<"$Sn = $Sd">;
-} // neverHasSideEffects
+def VMOVScc : PseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, cmovpred:$p),
+ IIC_fpUNA32,
+ [(set (f32 SPR:$Sd),
+ (ARMcmov SPR:$Sn, SPR:$Sm, cmovpred:$p))]>,
+ RegConstraint<"$Sn = $Sd">, Requires<[HasVFP2]>;
+} // hasSideEffects
//===----------------------------------------------------------------------===//
// Move from VFP System Register to ARM core register.
// to APSR.
let Defs = [CPSR], Uses = [FPSCR_NZCV], Rt = 0b1111 /* apsr_nzcv */ in
def FMSTAT : MovFromVFP<0b0001 /* fpscr */, (outs), (ins),
- "vmrs", "\tapsr_nzcv, fpscr", [(arm_fmstat)]>;
+ "vmrs", "\tAPSR_nzcv, fpscr", [(arm_fmstat)]>;
// Application level FPSCR -> GPR
let hasSideEffects = 1, Uses = [FPSCR] in
"vmrs", "\t$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", []>;
+ def VMRS_MVFR2 : MovFromVFP<0b0101 /* mvfr2 */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, mvfr2", []>, Requires<[HasFPARMv8]>;
+ def VMRS_FPINST : MovFromVFP<0b1001 /* fpinst */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, fpinst", []>;
+ def VMRS_FPINST2 : MovFromVFP<0b1010 /* fpinst2 */, (outs GPR:$Rt), (ins),
+ "vmrs", "\t$Rt, fpinst2", []>;
}
//===----------------------------------------------------------------------===//
// System level GPR -> FPSID
def VMSR_FPSID : MovToVFP<0b0000 /* fpsid */, (outs), (ins GPR:$src),
"vmsr", "\tfpsid, $src", []>;
+
+ def VMSR_FPINST : MovToVFP<0b1001 /* fpinst */, (outs), (ins GPR:$src),
+ "vmsr", "\tfpinst, $src", []>;
+ def VMSR_FPINST2 : MovToVFP<0b1010 /* fpinst2 */, (outs), (ins GPR:$src),
+ "vmsr", "\tfpinst2, $src", []>;
}
//===----------------------------------------------------------------------===//
def FCONSTD : VFPAI<(outs DPR:$Dd), (ins vfp_f64imm:$imm),
VFPMiscFrm, IIC_fpUNA64,
"vmov", ".f64\t$Dd, $imm",
- [(set DPR:$Dd, vfp_f64imm:$imm)]>, Requires<[HasVFP3]> {
+ [(set DPR:$Dd, vfp_f64imm:$imm)]>,
+ Requires<[HasVFP3,HasDPVFP]> {
bits<5> Dd;
bits<8> imm;
//===----------------------------------------------------------------------===//
// Assembler aliases.
//
-// A few mnemnoic aliases for pre-unifixed syntax. We don't guarantee to
+// A few mnemonic aliases for pre-unifixed syntax. We don't guarantee to
// support them all, but supporting at least some of the basics is
// good to be friendly.
def : VFP2MnemonicAlias<"flds", "vldr">;
def : VFP2MnemonicAlias<"fcmpd", "vcmp.f64">;
def : VFP2MnemonicAlias<"fdivs", "vdiv.f32">;
def : VFP2MnemonicAlias<"fdivd", "vdiv.f64">;
+def : VFP2MnemonicAlias<"fmrx", "vmrs">;
+def : VFP2MnemonicAlias<"fmxr", "vmsr">;
// Be friendly and accept the old form of zero-compare
-def : VFP2InstAlias<"fcmpzd${p} $val", (VCMPZD DPR:$val, pred:$p)>;
+def : VFP2DPInstAlias<"fcmpzd${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:$p)>;
+def : VFP2DPInstAlias<"faddd${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:$p)>;
+def : VFP2DPInstAlias<"fsubd${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)>;
+def : VFP2DPInstAlias<"vsqrt${p} $Dd, $Dm", (VSQRTD DPR:$Dd, DPR:$Dm, pred:$p)>;
// VLDR/VSTR accept an optional type suffix.
def : VFP2InstAlias<"vldr${p}.32 $Sd, $addr",
def : VFP2InstAlias<"vstr${p}.64 $Dd, $addr",
(VSTRD DPR:$Dd, addrmode5:$addr, pred:$p)>;
-// VMUL has a two-operand form (implied destination operand)
-def : VFP2InstAlias<"vmul${p}.f64 $Dn, $Dm",
- (VMULD DPR:$Dn, DPR:$Dn, DPR:$Dm, pred:$p)>;
-def : VFP2InstAlias<"vmul${p}.f32 $Sn, $Sm",
- (VMULS SPR:$Sn, SPR:$Sn, SPR:$Sm, pred:$p)>;
-// VADD has a two-operand form (implied destination operand)
-def : VFP2InstAlias<"vadd${p}.f64 $Dn, $Dm",
- (VADDD DPR:$Dn, DPR:$Dn, DPR:$Dm, pred:$p)>;
-def : VFP2InstAlias<"vadd${p}.f32 $Sn, $Sm",
- (VADDS SPR:$Sn, SPR:$Sn, SPR:$Sm, pred:$p)>;
-// VSUB has a two-operand form (implied destination operand)
-def : VFP2InstAlias<"vsub${p}.f64 $Dn, $Dm",
- (VSUBD DPR:$Dn, DPR:$Dn, DPR:$Dm, pred:$p)>;
-def : VFP2InstAlias<"vsub${p}.f32 $Sn, $Sm",
- (VSUBS SPR:$Sn, SPR:$Sn, SPR:$Sm, 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)>;
// VMOVD does.
def : VFP2InstAlias<"vmov${p} $Sd, $Sm",
(VMOVS SPR:$Sd, SPR:$Sm, pred:$p)>;
+
+// FCONSTD/FCONSTS alias for vmov.f64/vmov.f32
+// These aliases provide added functionality over vmov.f instructions by
+// allowing users to write assembly containing encoded floating point constants
+// (e.g. #0x70 vs #1.0). Without these alises there is no way for the
+// assembler to accept encoded fp constants (but the equivalent fp-literal is
+// accepted directly by vmovf).
+def : VFP3InstAlias<"fconstd${p} $Dd, $val",
+ (FCONSTD DPR:$Dd, vfp_f64imm:$val, pred:$p)>;
+def : VFP3InstAlias<"fconsts${p} $Sd, $val",
+ (FCONSTS SPR:$Sd, vfp_f32imm:$val, pred:$p)>;
projects / oota-llvm.git / blobdiff