-//===- ARMInstrVFP.td - VFP support for ARM ----------------*- tablegen -*-===//
+//===-- ARMInstrVFP.td - VFP support for ARM ---------------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// 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::getVFPf32Imm(N->getValueAPF()) != -1;
- }]> {
- let PrintMethod = "printVFPf32ImmOperand";
- let DecoderMethod = "DecodeVFPfpImm";
+ 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::getVFPf64Imm(N->getValueAPF()) != -1;
- }]> {
- let PrintMethod = "printVFPf64ImmOperand";
- let DecoderMethod = "DecodeVFPfpImm";
+ 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;
}
+// 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", ".64\t$Dd, $addr",
+ IIC_fpLoad64, "vldr", "\t$Dd, $addr",
[(set DPR:$Dd, (f64 (load addrmode5:$addr)))]>;
def VLDRS : ASI5<0b1101, 0b01, (outs SPR:$Sd), (ins addrmode5:$addr),
- IIC_fpLoad32, "vldr", ".32\t$Sd, $addr",
+ IIC_fpLoad32, "vldr", "\t$Sd, $addr",
[(set SPR:$Sd, (load addrmode5:$addr))]> {
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
} // End of 'let canFoldAsLoad = 1, isReMaterializable = 1 in'
def VSTRD : ADI5<0b1101, 0b00, (outs), (ins DPR:$Dd, addrmode5:$addr),
- IIC_fpStore64, "vstr", ".64\t$Dd, $addr",
+ IIC_fpStore64, "vstr", "\t$Dd, $addr",
[(store (f64 DPR:$Dd), addrmode5:$addr)]>;
def VSTRS : ASI5<0b1101, 0b00, (outs), (ins SPR:$Sd, addrmode5:$addr),
- IIC_fpStore32, "vstr", ".32\t$Sd, $addr",
+ IIC_fpStore32, "vstr", "\t$Sd, $addr",
[(store SPR:$Sd, addrmode5:$addr)]> {
// Some single precision VFP instructions may be executed on both NEON and VFP
// pipelines.
}
def VMOVRRS : AVConv3I<0b11000101, 0b1010,
- (outs GPR:$wb, GPR:$dst2), (ins SPR:$src1, SPR:$src2),
- IIC_fpMOVDI, "vmov", "\t$wb, $dst2, $src1, $src2",
+ (outs GPR:$Rt, GPR:$Rt2), (ins SPR:$src1, SPR:$src2),
+ IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $src1, $src2",
[/* For disassembly only; pattern left blank */]> {
+ bits<5> src1;
+ bits<4> Rt;
+ bits<4> Rt2;
+
+ // Encode instruction operands.
+ let Inst{3-0} = src1{3-0};
+ let Inst{5} = src1{4};
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+
let Inst{7-6} = 0b00;
// Some single precision VFP instructions may be executed on both NEON and VFP
(outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2),
IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
[/* For disassembly only; pattern left blank */]> {
+ // Instruction operands.
+ bits<5> dst1;
+ bits<4> src1;
+ bits<4> src2;
+
+ // Encode instruction operands.
+ let Inst{3-0} = dst1{3-0};
+ let Inst{5} = dst1{4};
+ let Inst{15-12} = src1;
+ let Inst{19-16} = src2;
+
let Inst{7-6} = 0b00;
// Some single precision VFP instructions may be executed on both NEON and VFP
// S32 (U=0, sx=1) -> SL
// U32 (U=1, sx=1) -> UL
-// FIXME: Marking these as codegen only seems wrong. They are real
-// instructions(?)
-let Constraints = "$a = $dst", isCodeGenOnly = 1 in {
+let Constraints = "$a = $dst" in {
// FP to Fixed-Point:
def VTOSHS : AVConv1XI<0b11101, 0b11, 0b1110, 0b1010, 0,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTSI, "vcvt", ".s16.f32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTSI, "vcvt", ".s16.f32\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VTOUHS : AVConv1XI<0b11101, 0b11, 0b1111, 0b1010, 0,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VTOSLS : AVConv1XI<0b11101, 0b11, 0b1110, 0b1010, 1,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VTOULS : AVConv1XI<0b11101, 0b11, 0b1111, 0b1010, 1,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VTOSHD : AVConv1XI<0b11101, 0b11, 0b1110, 0b1011, 0,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTDI, "vcvt", ".s16.f64\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTDI, "vcvt", ".s16.f64\t$dst, $a, $fbits", []>;
def VTOUHD : AVConv1XI<0b11101, 0b11, 0b1111, 0b1011, 0,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTDI, "vcvt", ".u16.f64\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTDI, "vcvt", ".u16.f64\t$dst, $a, $fbits", []>;
def VTOSLD : AVConv1XI<0b11101, 0b11, 0b1110, 0b1011, 1,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a, $fbits", []>;
def VTOULD : AVConv1XI<0b11101, 0b11, 0b1111, 0b1011, 1,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a, $fbits", []>;
// Fixed-Point to FP:
def VSHTOS : AVConv1XI<0b11101, 0b11, 0b1010, 0b1010, 0,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTIS, "vcvt", ".f32.s16\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.s16\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VUHTOS : AVConv1XI<0b11101, 0b11, 0b1011, 0b1010, 0,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTIS, "vcvt", ".f32.u16\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.u16\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VSLTOS : AVConv1XI<0b11101, 0b11, 0b1010, 0b1010, 1,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VULTOS : AVConv1XI<0b11101, 0b11, 0b1011, 0b1010, 1,
- (outs SPR:$dst), (ins SPR:$a, i32imm:$fbits),
- IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]> {
+ (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
+ IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a, $fbits", []> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
}
def VSHTOD : AVConv1XI<0b11101, 0b11, 0b1010, 0b1011, 0,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTID, "vcvt", ".f64.s16\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.s16\t$dst, $a, $fbits", []>;
def VUHTOD : AVConv1XI<0b11101, 0b11, 0b1011, 0b1011, 0,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTID, "vcvt", ".f64.u16\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.u16\t$dst, $a, $fbits", []>;
def VSLTOD : AVConv1XI<0b11101, 0b11, 0b1010, 0b1011, 1,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a, $fbits", []>;
def VULTOD : AVConv1XI<0b11101, 0b11, 0b1011, 0b1011, 1,
- (outs DPR:$dst), (ins DPR:$a, i32imm:$fbits),
- IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a, $fbits",
- [/* For disassembly only; pattern left blank */]>;
+ (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
+ IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a, $fbits", []>;
-} // End of 'let Constraints = "$a = $dst", isCodeGenOnly = 1 in'
+} // End of 'let Constraints = "$a = $dst" in'
//===----------------------------------------------------------------------===//
// FP Multiply-Accumulate Operations.
[(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def VMLAS : ASbIn<0b11100, 0b00, 0, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
(VMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
(VMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx]>;
+ Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx,NoVFP4]>;
def VMLSD : ADbI<0b11100, 0b00, 1, 0,
(outs DPR:$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 = $Dd">,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def VMLSS : ASbIn<0b11100, 0b00, 1, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
(VMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
(VMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]>;
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]>;
def VNMLAD : ADbI<0b11100, 0b01, 1, 0,
(outs DPR:$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 = $Dd">,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def VNMLAS : ASbI<0b11100, 0b01, 1, 0,
(outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
[(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
SPR:$Sdin))]>,
RegConstraint<"$Sdin = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
(VNMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
(VNMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]>;
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]>;
def VNMLSD : ADbI<0b11100, 0b01, 0, 0,
(outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
[(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
(f64 DPR:$Ddin)))]>,
RegConstraint<"$Ddin = $Dd">,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def VNMLSS : ASbI<0b11100, 0b01, 0, 0,
(outs SPR:$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 = $Sd">,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]> {
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
(VNMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
- Requires<[HasVFP2,UseFPVMLx]>;
+ Requires<[HasVFP2,UseFPVMLx,NoVFP4]>;
def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
(VNMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
- Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx]>;
+ Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,NoVFP4]>;
+
+//===----------------------------------------------------------------------===//
+// Fused FP Multiply-Accumulate Operations.
+//
+def VFMAD : ADbI<0b11101, 0b10, 0, 0,
+ (outs DPR:$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 = $Dd">,
+ Requires<[HasVFP4,FPContractions]>;
+
+def VFMAS : ASbIn<0b11101, 0b10, 0, 0,
+ (outs SPR:$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 = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
+ (VFMAD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,FPContractions]>;
+def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
+ (VFMAS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+def VFMSD : ADbI<0b11101, 0b10, 1, 0,
+ (outs DPR:$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 = $Dd">,
+ Requires<[HasVFP4,FPContractions]>;
+
+def VFMSS : ASbIn<0b11101, 0b10, 1, 0,
+ (outs SPR:$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 = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
+ (VFMSD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,FPContractions]>;
+def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
+ (VFMSS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+
+def VFNMAD : ADbI<0b11101, 0b01, 1, 0,
+ (outs DPR:$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 = $Dd">,
+ Requires<[HasVFP4,FPContractions]>;
+
+def VFNMAS : ASbI<0b11101, 0b01, 1, 0,
+ (outs SPR:$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 = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
+ (VFNMAD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,FPContractions]>;
+def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
+ (VFNMAS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
+
+def VFNMSD : ADbI<0b11101, 0b01, 0, 0,
+ (outs DPR:$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 = $Dd">,
+ Requires<[HasVFP4,FPContractions]>;
+
+def VFNMSS : ASbI<0b11101, 0b01, 0, 0,
+ (outs SPR:$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 = $Sd">,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]> {
+ // Some single precision VFP instructions may be executed on both NEON and
+ // VFP pipelines.
+}
+
+def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
+ (VFNMSD DPR:$dstin, DPR:$a, DPR:$b)>,
+ Requires<[HasVFP4,FPContractions]>;
+def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
+ (VFNMSS SPR:$dstin, SPR:$a, SPR:$b)>,
+ Requires<[HasVFP4,DontUseNEONForFP,FPContractions]>;
//===----------------------------------------------------------------------===//
// FP Conditional moves.
VFPMiscFrm, IIC_fpUNA64,
"vmov", ".f64\t$Dd, $imm",
[(set DPR:$Dd, vfp_f64imm:$imm)]>, Requires<[HasVFP3]> {
- // Instruction operands.
- bits<5> Dd;
- bits<32> imm;
-
- // Encode instruction operands.
- let Inst{15-12} = Dd{3-0};
- let Inst{22} = Dd{4};
- let Inst{19} = imm{31}; // The immediate is handled as a float.
- let Inst{18-16} = imm{25-23};
- let Inst{3-0} = imm{22-19};
+ bits<5> Dd;
+ bits<8> imm;
- // Encode remaining instruction bits.
let Inst{27-23} = 0b11101;
+ let Inst{22} = Dd{4};
let Inst{21-20} = 0b11;
+ let Inst{19-16} = imm{7-4};
+ let Inst{15-12} = Dd{3-0};
let Inst{11-9} = 0b101;
let Inst{8} = 1; // Double precision.
let Inst{7-4} = 0b0000;
+ let Inst{3-0} = imm{3-0};
}
def FCONSTS : VFPAI<(outs SPR:$Sd), (ins vfp_f32imm:$imm),
VFPMiscFrm, IIC_fpUNA32,
"vmov", ".f32\t$Sd, $imm",
[(set SPR:$Sd, vfp_f32imm:$imm)]>, Requires<[HasVFP3]> {
- // Instruction operands.
- bits<5> Sd;
- bits<32> imm;
-
- // Encode instruction operands.
- let Inst{15-12} = Sd{4-1};
- let Inst{22} = Sd{0};
- let Inst{19} = imm{31}; // The immediate is handled as a float.
- let Inst{18-16} = imm{25-23};
- let Inst{3-0} = imm{22-19};
+ bits<5> Sd;
+ bits<8> imm;
- // Encode remaining instruction bits.
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 : 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)>;
+
+// 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)>;
+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)>;
projects / oota-llvm.git / blobdiff