-//===- MipsInstrFPU.td - Mips FPU Instruction Information -------*- C++ -*-===//
+//===- MipsInstrFPU.td - Mips FPU Instruction Information --*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
//
-// This file contains the Mips implementation of the TargetInstrInfo class.
+// This file describes the Mips FPU instruction set.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Floating Point Compare and Branch
-def SDT_MipsFPBrcond : SDTypeProfile<0, 3, [SDTCisSameAs<0, 2>, SDTCisInt<0>,
- SDTCisVT<1, OtherVT>]>;
-def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<0>,
- SDTCisInt<2>]>;
-def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond,
- [SDNPHasChain]>;
-def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp>;
+def SDT_MipsFPBrcond : SDTypeProfile<0, 2, [SDTCisInt<0>,
+ SDTCisVT<1, OtherVT>]>;
+def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<1>,
+ SDTCisVT<2, i32>]>;
+def SDT_MipsCMovFP : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
+ SDTCisSameAs<1, 2>]>;
+def SDT_MipsBuildPairF64 : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
+ SDTCisVT<1, i32>,
+ SDTCisSameAs<1, 2>]>;
+def SDT_MipsExtractElementF64 : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
+ SDTCisVT<1, f64>,
+ SDTCisVT<2, i32>]>;
+
+def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp, [SDNPOutGlue]>;
+def MipsCMovFP_T : SDNode<"MipsISD::CMovFP_T", SDT_MipsCMovFP, [SDNPInGlue]>;
+def MipsCMovFP_F : SDNode<"MipsISD::CMovFP_F", SDT_MipsCMovFP, [SDNPInGlue]>;
+def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond,
+ [SDNPHasChain, SDNPOptInGlue]>;
+def MipsBuildPairF64 : SDNode<"MipsISD::BuildPairF64", SDT_MipsBuildPairF64>;
+def MipsExtractElementF64 : SDNode<"MipsISD::ExtractElementF64",
+ SDT_MipsExtractElementF64>;
// Operand for printing out a condition code.
let PrintMethod = "printFCCOperand" in
// Feature predicates.
//===----------------------------------------------------------------------===//
-def In32BitMode : Predicate<"!Subtarget.isFP64bit()">;
-def In64BitMode : Predicate<"Subtarget.isFP64bit()">;
+def IsFP64bit : Predicate<"Subtarget.isFP64bit()">;
+def NotFP64bit : Predicate<"!Subtarget.isFP64bit()">;
def IsSingleFloat : Predicate<"Subtarget.isSingleFloat()">;
def IsNotSingleFloat : Predicate<"!Subtarget.isSingleFloat()">;
//===----------------------------------------------------------------------===//
// Instruction Class Templates
//
-// A set of multiclasses is used to address this in one shot.
-// SO32 - single precision only, uses all 32 32-bit fp registers
-// require FGR32 Register Class and IsSingleFloat
-// AS32 - 16 even fp registers are used for single precision
-// require AFGR32 Register Class and In32BitMode
-// S64 - 32 64 bit registers are used to hold 32-bit single precision values.
-// require FGR64 Register Class and In64BitMode
-// D32 - 16 even fp registers are used for double precision
-// require AFGR64 Register Class and In32BitMode
-// D64 - 32 64 bit registers are used to hold 64-bit double precision values.
-// require FGR64 Register Class and In64BitMode
+// A set of multiclasses is used to address the register usage.
//
-// Only SO32, AS32 and D32 are supported right now.
+// S32 - single precision in 16 32bit even fp registers
+// single precision in 32 32bit fp registers in SingleOnly mode
+// S64 - single precision in 32 64bit fp registers (In64BitMode)
+// D32 - double precision in 16 32bit even fp registers
+// D64 - double precision in 32 64bit fp registers (In64BitMode)
//
+// Only S32 and D32 are supported right now.
//===----------------------------------------------------------------------===//
-multiclass FFR1_1<bits<6> funct, string asmstr>
-{
- def _SO32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), (ins FGR32:$fs),
- !strconcat(asmstr, ".s $fd, $fs"), []>, Requires<[IsSingleFloat]>;
-
- def _AS32 : FFR<0x11, funct, 0x0, (outs AFGR32:$fd), (ins AFGR32:$fs),
- !strconcat(asmstr, ".s $fd, $fs"), []>, Requires<[In32BitMode]>;
-
- def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd), (ins AFGR64:$fs),
- !strconcat(asmstr, ".d $fd, $fs"), []>, Requires<[In32BitMode]>;
+// FP load.
+class FPLoad<bits<6> op, string opstr, PatFrag FOp, RegisterClass RC,
+ Operand MemOpnd>:
+ FMem<op, (outs RC:$ft), (ins MemOpnd:$addr),
+ !strconcat(opstr, "\t$ft, $addr"), [(set RC:$ft, (FOp addr:$addr))],
+ IILoad>;
+
+// FP store.
+class FPStore<bits<6> op, string opstr, PatFrag FOp, RegisterClass RC,
+ Operand MemOpnd>:
+ FMem<op, (outs), (ins RC:$ft, MemOpnd:$addr),
+ !strconcat(opstr, "\t$ft, $addr"), [(store RC:$ft, addr:$addr)],
+ IIStore>;
+
+// Instructions that convert an FP value to 32-bit fixed point.
+multiclass FFR1_W_M<bits<6> funct, string opstr> {
+ def _S : FFR1<funct, 16, opstr, "w.s", FGR32, FGR32>;
+ def _D32 : FFR1<funct, 17, opstr, "w.d", FGR32, AFGR64>,
+ Requires<[NotFP64bit]>;
+ def _D64 : FFR1<funct, 17, opstr, "w.d", FGR32, FGR64>,
+ Requires<[IsFP64bit]>;
}
-multiclass FFR1_2<bits<6> funct, string asmstr, SDNode FOp>
-{
- def _SO32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd), (ins FGR32:$fs),
- !strconcat(asmstr, ".s $fd, $fs"),
- [(set FGR32:$fd, (FOp FGR32:$fs))]>, Requires<[IsSingleFloat]>;
-
- def _AS32 : FFR<0x11, funct, 0x0, (outs AFGR32:$fd), (ins AFGR32:$fs),
- !strconcat(asmstr, ".s $fd, $fs"),
- [(set AFGR32:$fd, (FOp AFGR32:$fs))]>, Requires<[In32BitMode]>;
+// Instructions that convert an FP value to 64-bit fixed point.
+let Predicates = [IsFP64bit] in
+multiclass FFR1_L_M<bits<6> funct, string opstr> {
+ def _S : FFR1<funct, 16, opstr, "l.s", FGR64, FGR32>;
+ def _D64 : FFR1<funct, 17, opstr, "l.d", FGR64, FGR64>;
+}
- def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd), (ins AFGR64:$fs),
- !strconcat(asmstr, ".d $fd, $fs"),
- [(set AFGR64:$fd, (FOp AFGR64:$fs))]>, Requires<[In32BitMode]>;
+// FP-to-FP conversion instructions.
+multiclass FFR1P_M<bits<6> funct, string opstr, SDNode OpNode> {
+ def _S : FFR1P<funct, 16, opstr, "s", FGR32, FGR32, OpNode>;
+ def _D32 : FFR1P<funct, 17, opstr, "d", AFGR64, AFGR64, OpNode>,
+ Requires<[NotFP64bit]>;
+ def _D64 : FFR1P<funct, 17, opstr, "d", FGR64, FGR64, OpNode>,
+ Requires<[IsFP64bit]>;
}
-class FFR1_3<bits<6> funct, bits<5> fmt, RegisterClass RcSrc,
- RegisterClass RcDst, string asmstr>:
- FFR<0x11, funct, fmt, (outs RcSrc:$fd), (ins RcDst:$fs),
- !strconcat(asmstr, " $fd, $fs"), []>;
-
-
-multiclass FFR1_4<bits<6> funct, string asmstr, SDNode FOp> {
- def _SO32 : FFR<0x11, funct, 0x0, (outs FGR32:$fd),
- (ins FGR32:$fs, FGR32:$ft),
- !strconcat(asmstr, ".s $fd, $fs, $ft"),
- [(set FGR32:$fd, (FOp FGR32:$fs, FGR32:$ft))]>,
- Requires<[IsSingleFloat]>;
-
- def _AS32 : FFR<0x11, funct, 0x0, (outs AFGR32:$fd),
- (ins AFGR32:$fs, AFGR32:$ft),
- !strconcat(asmstr, ".s $fd, $fs, $ft"),
- [(set AFGR32:$fd, (FOp AFGR32:$fs, AFGR32:$ft))]>,
- Requires<[In32BitMode]>;
-
- def _D32 : FFR<0x11, funct, 0x1, (outs AFGR64:$fd),
- (ins AFGR64:$fs, AFGR64:$ft),
- !strconcat(asmstr, ".d $fd, $fs, $ft"),
- [(set AFGR64:$fd, (FOp AFGR64:$fs, AFGR64:$ft))]>,
- Requires<[In32BitMode]>;
+multiclass FFR2P_M<bits<6> funct, string opstr, SDNode OpNode, bit isComm = 0> {
+ let isCommutable = isComm in {
+ def _S : FFR2P<funct, 16, opstr, "s", FGR32, OpNode>;
+ def _D32 : FFR2P<funct, 17, opstr, "d", AFGR64, OpNode>,
+ Requires<[NotFP64bit]>;
+ def _D64 : FFR2P<funct, 17, opstr, "d", FGR64, OpNode>,
+ Requires<[IsFP64bit]>;
+ }
}
//===----------------------------------------------------------------------===//
// Floating Point Instructions
//===----------------------------------------------------------------------===//
+defm ROUND_W : FFR1_W_M<0xc, "round">;
+defm ROUND_L : FFR1_L_M<0x8, "round">;
+defm TRUNC_W : FFR1_W_M<0xd, "trunc">;
+defm TRUNC_L : FFR1_L_M<0x9, "trunc">;
+defm CEIL_W : FFR1_W_M<0xe, "ceil">;
+defm CEIL_L : FFR1_L_M<0xa, "ceil">;
+defm FLOOR_W : FFR1_W_M<0xf, "floor">;
+defm FLOOR_L : FFR1_L_M<0xb, "floor">;
+defm CVT_W : FFR1_W_M<0x24, "cvt">;
+defm CVT_L : FFR1_L_M<0x25, "cvt">;
+
+def CVT_S_W : FFR1<0x20, 20, "cvt", "s.w", FGR32, FGR32>;
+
+let Predicates = [NotFP64bit] in {
+ def CVT_S_D32 : FFR1<0x20, 17, "cvt", "s.d", FGR32, AFGR64>;
+ def CVT_D32_W : FFR1<0x21, 20, "cvt", "d.w", AFGR64, FGR32>;
+ def CVT_D32_S : FFR1<0x21, 16, "cvt", "d.s", AFGR64, FGR32>;
+}
-let ft = 0 in {
- defm FLOOR_W : FFR1_1<0b001111, "floor.w">;
- defm CEIL_W : FFR1_1<0b001110, "ceil.w">;
- defm ROUND_W : FFR1_1<0b001100, "round.w">;
- defm TRUNC_W : FFR1_1<0b001101, "trunc.w">;
- defm CVTW : FFR1_1<0b100100, "cvt.w">;
- defm FMOV : FFR1_1<0b000110, "mov">;
-
- defm FABS : FFR1_2<0b000101, "abs", fabs>;
- defm FNEG : FFR1_2<0b000111, "neg", fneg>;
- defm FSQRT : FFR1_2<0b000100, "sqrt", fsqrt>;
-
- let Predicates = [IsNotSingleFloat] in {
- /// Ceil to long signed integer
- def CEIL_LS : FFR1_3<0b001010, 0x0, AFGR32, AFGR32, "ceil.l">;
- def CEIL_LD : FFR1_3<0b001010, 0x1, AFGR64, AFGR64, "ceil.l">;
-
- /// Round to long signed integer
- def ROUND_LS : FFR1_3<0b001000, 0x0, AFGR32, AFGR32, "round.l">;
- def ROUND_LD : FFR1_3<0b001000, 0x1, AFGR64, AFGR64, "round.l">;
-
- /// Floor to long signed integer
- def FLOOR_LS : FFR1_3<0b001011, 0x0, AFGR32, AFGR32, "floor.l">;
- def FLOOR_LD : FFR1_3<0b001011, 0x1, AFGR64, AFGR64, "floor.l">;
-
- /// Trunc to long signed integer
- def TRUNC_LS : FFR1_3<0b001001, 0x0, AFGR32, AFGR32, "trunc.l">;
- def TRUNC_LD : FFR1_3<0b001001, 0x1, AFGR64, AFGR64, "trunc.l">;
-
- /// Convert to long signed integer
- def CVTL_S : FFR1_3<0b100101, 0x0, AFGR32, AFGR32, "cvt.l">;
- def CVTL_D : FFR1_3<0b100101, 0x1, AFGR64, AFGR64, "cvt.l">;
-
- /// Convert to Double Precison
- def CVTD_S32 : FFR1_3<0b100001, 0x0, AFGR64, FGR32, "cvt.d.s">;
- def CVTD_W32 : FFR1_3<0b100001, 0x2, AFGR64, FGR32, "cvt.d.w">;
- def CVTD_L32 : FFR1_3<0b100001, 0x3, AFGR64, AFGR64, "cvt.d.l">;
-
- /// Convert to Single Precison
- def CVTS_D32 : FFR1_3<0b100000, 0x1, FGR32, AFGR64, "cvt.s.d">;
- def CVTS_L32 : FFR1_3<0b100000, 0x3, FGR32, AFGR64, "cvt.s.l">;
- }
-
- /// Convert to Single Precison
- def CVTS_W32 : FFR1_3<0b100000, 0x2, FGR32, FGR32, "cvt.s.w">,
- Requires<[IsSingleFloat]>;
+let Predicates = [IsFP64bit] in {
+ def CVT_S_D64 : FFR1<0x20, 17, "cvt", "s.d", FGR32, FGR64>;
+ def CVT_S_L : FFR1<0x20, 21, "cvt", "s.l", FGR32, FGR64>;
+ def CVT_D64_W : FFR1<0x21, 20, "cvt", "d.w", FGR64, FGR32>;
+ def CVT_D64_S : FFR1<0x21, 16, "cvt", "d.s", FGR64, FGR32>;
+ def CVT_D64_L : FFR1<0x21, 21, "cvt", "d.l", FGR64, FGR64>;
}
+defm FABS : FFR1P_M<0x5, "abs", fabs>;
+defm FNEG : FFR1P_M<0x7, "neg", fneg>;
+defm FSQRT : FFR1P_M<0x4, "sqrt", fsqrt>;
+
// The odd-numbered registers are only referenced when doing loads,
// stores, and moves between floating-point and integer registers.
-// When defining instructions, we reference all 32-bit registers,
+// When defining instructions, we reference all 32-bit registers,
// regardless of register aliasing.
-let fd = 0 in {
- /// Move Control Registers From/To CPU Registers
- ///def CFC1 : FFR<0x11, 0x0, 0x2, (outs CPURegs:$rt), (ins FGR32:$fs),
- /// "cfc1 $rt, $fs", []>;
- ///def CTC1 : FFR<0x11, 0x0, 0x6, (outs CPURegs:$rt), (ins FGR32:$fs),
- /// "ctc1 $rt, $fs", []>;
- ///
- ///def CFC1A : FFR<0x11, 0x0, 0x2, (outs CPURegs:$rt), (ins AFGR32:$fs),
- /// "cfc1 $rt, $fs", []>;
+class FFRGPR<bits<5> _fmt, dag outs, dag ins, string asmstr, list<dag> pattern>:
+ FFR<0x11, 0x0, _fmt, outs, ins, asmstr, pattern> {
+ bits<5> rt;
+ let ft = rt;
+ let fd = 0;
+}
- ///def CTC1A : FFR<0x11, 0x0, 0x6, (outs CPURegs:$rt), (ins AFGR32:$fs),
- /// "ctc1 $rt, $fs", []>;
+/// Move Control Registers From/To CPU Registers
+def CFC1 : FFRGPR<0x2, (outs CPURegs:$rt), (ins CCR:$fs),
+ "cfc1\t$rt, $fs", []>;
- def MFC1 : FFR<0x11, 0x00, 0x00, (outs CPURegs:$rt), (ins FGR32:$fs),
- "mfc1 $rt, $fs", []>;
+def CTC1 : FFRGPR<0x6, (outs CCR:$fs), (ins CPURegs:$rt),
+ "ctc1\t$rt, $fs", []>;
- def MTC1 : FFR<0x11, 0x00, 0x04, (outs FGR32:$fs), (ins CPURegs:$rt),
- "mtc1 $fs, $rt", []>;
+def MFC1 : FFRGPR<0x00, (outs CPURegs:$rt), (ins FGR32:$fs),
+ "mfc1\t$rt, $fs",
+ [(set CPURegs:$rt, (bitconvert FGR32:$fs))]>;
- def MFC1A : FFR<0x11, 0x00, 0x00, (outs CPURegs:$rt), (ins AFGR32:$fs),
- "mfc1 $rt, $fs", []>;
+def MTC1 : FFRGPR<0x04, (outs FGR32:$fs), (ins CPURegs:$rt),
+ "mtc1\t$rt, $fs",
+ [(set FGR32:$fs, (bitconvert CPURegs:$rt))]>;
- def MTC1A : FFR<0x11, 0x00, 0x04, (outs AFGR32:$fs), (ins CPURegs:$rt),
- "mtc1 $fs, $rt", []>;
-}
+def DMFC1 : FFRGPR<0x01, (outs CPU64Regs:$rt), (ins FGR64:$fs),
+ "dmfc1\t$rt, $fs",
+ [(set CPU64Regs:$rt, (bitconvert FGR64:$fs))]>;
-/// Floating Point Memory Instructions
-let Predicates = [IsNotSingleFloat] in {
- def LDC1 : FFI<0b110101, (outs AFGR64:$ft), (ins mem:$addr),
- "ldc1 $ft, $addr", [(set AFGR64:$ft, (load addr:$addr))]>;
+def DMTC1 : FFRGPR<0x05, (outs FGR64:$fs), (ins CPU64Regs:$rt),
+ "dmtc1\t$rt, $fs",
+ [(set FGR64:$fs, (bitconvert CPU64Regs:$rt))]>;
- def SDC1 : FFI<0b111101, (outs), (ins AFGR64:$ft, mem:$addr),
- "sdc1 $ft, $addr", [(store AFGR64:$ft, addr:$addr)]>;
-}
+def FMOV_S : FFR1<0x6, 16, "mov", "s", FGR32, FGR32>;
+def FMOV_D32 : FFR1<0x6, 17, "mov", "d", AFGR64, AFGR64>,
+ Requires<[NotFP64bit]>;
+def FMOV_D64 : FFR1<0x6, 17, "mov", "d", FGR64, FGR64>,
+ Requires<[IsFP64bit]>;
-// LWC1 and SWC1 can always be emited with odd registers.
-def LWC1 : FFI<0b110001, (outs FGR32:$ft), (ins mem:$addr), "lwc1 $ft, $addr",
- [(set FGR32:$ft, (load addr:$addr))]>;
-def SWC1 : FFI<0b111001, (outs), (ins FGR32:$ft, mem:$addr), "swc1 $ft, $addr",
- [(store FGR32:$ft, addr:$addr)]>;
+/// Floating Point Memory Instructions
+let Predicates = [IsN64] in {
+ def LWC1_P8 : FPLoad<0x31, "lwc1", load, FGR32, mem64>;
+ def SWC1_P8 : FPStore<0x39, "swc1", store, FGR32, mem64>;
+ def LDC164_P8 : FPLoad<0x35, "ldc1", load, FGR64, mem64>;
+ def SDC164_P8 : FPStore<0x3d, "sdc1", store, FGR64, mem64>;
+}
-def LWC1A : FFI<0b110001, (outs AFGR32:$ft), (ins mem:$addr), "lwc1 $ft, $addr",
- [(set AFGR32:$ft, (load addr:$addr))]>;
-def SWC1A : FFI<0b111001, (outs), (ins AFGR32:$ft, mem:$addr),
- "swc1 $ft, $addr", [(store AFGR32:$ft, addr:$addr)]>;
+let Predicates = [NotN64] in {
+ def LWC1 : FPLoad<0x31, "lwc1", load, FGR32, mem>;
+ def SWC1 : FPStore<0x39, "swc1", store, FGR32, mem>;
+ let Predicates = [HasMips64] in {
+ def LDC164 : FPLoad<0x35, "ldc1", load, FGR64, mem>;
+ def SDC164 : FPStore<0x3d, "sdc1", store, FGR64, mem>;
+ }
+ let Predicates = [NotMips64] in {
+ def LDC1 : FPLoad<0x35, "ldc1", load, AFGR64, mem>;
+ def SDC1 : FPStore<0x3d, "sdc1", store, AFGR64, mem>;
+ }
+}
/// Floating-point Aritmetic
-defm FADD : FFR1_4<0x10, "add", fadd>;
-defm FDIV : FFR1_4<0x03, "div", fdiv>;
-defm FMUL : FFR1_4<0x02, "mul", fmul>;
-defm FSUB : FFR1_4<0x01, "sub", fsub>;
+defm FADD : FFR2P_M<0x00, "add", fadd, 1>;
+defm FDIV : FFR2P_M<0x03, "div", fdiv>;
+defm FMUL : FFR2P_M<0x02, "mul", fmul, 1>;
+defm FSUB : FFR2P_M<0x01, "sub", fsub>;
//===----------------------------------------------------------------------===//
// Floating Point Branch Codes
//===----------------------------------------------------------------------===//
-// Mips branch codes. These correspond to condcode in MipsInstrInfo.h.
+// Mips branch codes. These correspond to condcode in MipsInstrInfo.h.
// They must be kept in synch.
def MIPS_BRANCH_F : PatLeaf<(i32 0)>;
def MIPS_BRANCH_T : PatLeaf<(i32 1)>;
-def MIPS_BRANCH_FL : PatLeaf<(i32 2)>;
-def MIPS_BRANCH_TL : PatLeaf<(i32 3)>;
/// Floating Point Branch of False/True (Likely)
-let isBranch=1, isTerminator=1, hasDelaySlot=1, base=0x8, Uses=[FCR31] in {
- class FBRANCH<PatLeaf op, string asmstr> : FFI<0x11, (outs),
- (ins brtarget:$dst), !strconcat(asmstr, " $dst"),
- [(MipsFPBrcond op, bb:$dst, FCR31)]>;
+let isBranch=1, isTerminator=1, hasDelaySlot=1, base=0x8, Uses=[FCR31] in
+ class FBRANCH<bits<1> nd, bits<1> tf, PatLeaf op, string asmstr> :
+ FFI<0x11, (outs), (ins brtarget:$dst), !strconcat(asmstr, "\t$dst"),
+ [(MipsFPBrcond op, bb:$dst)]> {
+ let Inst{20-18} = 0;
+ let Inst{17} = nd;
+ let Inst{16} = tf;
}
-def BC1F : FBRANCH<MIPS_BRANCH_F, "bc1f">;
-def BC1T : FBRANCH<MIPS_BRANCH_T, "bc1t">;
-def BC1FL : FBRANCH<MIPS_BRANCH_FL, "bc1fl">;
-def BC1TL : FBRANCH<MIPS_BRANCH_TL, "bc1tl">;
+
+def BC1F : FBRANCH<0, 0, MIPS_BRANCH_F, "bc1f">;
+def BC1T : FBRANCH<0, 1, MIPS_BRANCH_T, "bc1t">;
//===----------------------------------------------------------------------===//
// Floating Point Flag Conditions
//===----------------------------------------------------------------------===//
-// Mips condition codes. They must correspond to condcode in MipsInstrInfo.h.
+// Mips condition codes. They must correspond to condcode in MipsInstrInfo.h.
// They must be kept in synch.
def MIPS_FCOND_F : PatLeaf<(i32 0)>;
def MIPS_FCOND_UN : PatLeaf<(i32 1)>;
-def MIPS_FCOND_EQ : PatLeaf<(i32 2)>;
+def MIPS_FCOND_OEQ : PatLeaf<(i32 2)>;
def MIPS_FCOND_UEQ : PatLeaf<(i32 3)>;
def MIPS_FCOND_OLT : PatLeaf<(i32 4)>;
def MIPS_FCOND_ULT : PatLeaf<(i32 5)>;
def MIPS_FCOND_LE : PatLeaf<(i32 14)>;
def MIPS_FCOND_NGT : PatLeaf<(i32 15)>;
+class FCMP<bits<5> fmt, RegisterClass RC, string typestr> :
+ FCC<fmt, (outs), (ins RC:$fs, RC:$ft, condcode:$cc),
+ !strconcat("c.$cc.", typestr, "\t$fs, $ft"),
+ [(MipsFPCmp RC:$fs, RC:$ft, imm:$cc)]>;
+
/// Floating Point Compare
-let hasDelaySlot = 1, Defs=[FCR31] in {
- def FCMP_SO32 : FCC<0x0, (outs), (ins FGR32:$fs, FGR32:$ft, condcode:$cc),
- "c.$cc.s $fs, $ft", [(MipsFPCmp FGR32:$fs, FGR32:$ft, imm:$cc),
- (implicit FCR31)]>, Requires<[IsSingleFloat]>;
-
- def FCMP_AS32 : FCC<0x0, (outs), (ins AFGR32:$fs, AFGR32:$ft, condcode:$cc),
- "c.$cc.s $fs, $ft", [(MipsFPCmp AFGR32:$fs, AFGR32:$ft, imm:$cc),
- (implicit FCR31)]>, Requires<[In32BitMode]>;
-
- def FCMP_D32 : FCC<0x1, (outs), (ins AFGR64:$fs, AFGR64:$ft, condcode:$cc),
- "c.$cc.d $fs, $ft", [(MipsFPCmp AFGR64:$fs, AFGR64:$ft, imm:$cc),
- (implicit FCR31)]>, Requires<[In32BitMode]>;
+let Defs=[FCR31] in {
+ def FCMP_S32 : FCMP<0x10, FGR32, "s">;
+ def FCMP_D32 : FCMP<0x11, AFGR64, "d">, Requires<[NotFP64bit]>;
+ def FCMP_D64 : FCMP<0x11, FGR64, "d">, Requires<[IsFP64bit]>;
}
+//===----------------------------------------------------------------------===//
+// Floating Point Pseudo-Instructions
+//===----------------------------------------------------------------------===//
+def MOVCCRToCCR : MipsPseudo<(outs CCR:$dst), (ins CCR:$src),
+ "# MOVCCRToCCR", []>;
+
+// This pseudo instr gets expanded into 2 mtc1 instrs after register
+// allocation.
+def BuildPairF64 :
+ MipsPseudo<(outs AFGR64:$dst),
+ (ins CPURegs:$lo, CPURegs:$hi), "",
+ [(set AFGR64:$dst, (MipsBuildPairF64 CPURegs:$lo, CPURegs:$hi))]>;
+
+// This pseudo instr gets expanded into 2 mfc1 instrs after register
+// allocation.
+// if n is 0, lower part of src is extracted.
+// if n is 1, higher part of src is extracted.
+def ExtractElementF64 :
+ MipsPseudo<(outs CPURegs:$dst),
+ (ins AFGR64:$src, i32imm:$n), "",
+ [(set CPURegs:$dst,
+ (MipsExtractElementF64 AFGR64:$src, imm:$n))]>;
+
//===----------------------------------------------------------------------===//
// Floating Point Patterns
//===----------------------------------------------------------------------===//
-def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVTS_W32 (MTC1 CPURegs:$src))>;
-def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVTD_W32 (MTC1 CPURegs:$src))>;
-def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_SO32 FGR32:$src))>;
-def : Pat<(i32 (fp_to_sint AFGR32:$src)), (MFC1 (TRUNC_W_AS32 AFGR32:$src))>;
+def fpimm0 : PatLeaf<(fpimm), [{
+ return N->isExactlyValue(+0.0);
+}]>;
+
+def fpimm0neg : PatLeaf<(fpimm), [{
+ return N->isExactlyValue(-0.0);
+}]>;
+
+def : Pat<(f32 fpimm0), (MTC1 ZERO)>;
+def : Pat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
+
+def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVT_S_W (MTC1 CPURegs:$src))>;
+def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_S FGR32:$src))>;
+
+let Predicates = [NotFP64bit] in {
+ def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D32_W (MTC1 CPURegs:$src))>;
+ def : Pat<(i32 (fp_to_sint AFGR64:$src)), (MFC1 (TRUNC_W_D32 AFGR64:$src))>;
+ def : Pat<(f32 (fround AFGR64:$src)), (CVT_S_D32 AFGR64:$src)>;
+ def : Pat<(f64 (fextend FGR32:$src)), (CVT_D32_S FGR32:$src)>;
+}
+
+let Predicates = [IsFP64bit] in {
+ def : Pat<(f64 fpimm0), (DMTC1 ZERO_64)>;
+ def : Pat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>;
+
+ def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVT_D64_W (MTC1 CPURegs:$src))>;
+ def : Pat<(f32 (sint_to_fp CPU64Regs:$src)),
+ (CVT_S_L (DMTC1 CPU64Regs:$src))>;
+ def : Pat<(f64 (sint_to_fp CPU64Regs:$src)),
+ (CVT_D64_L (DMTC1 CPU64Regs:$src))>;
+
+ def : Pat<(i32 (fp_to_sint FGR64:$src)), (MFC1 (TRUNC_W_D64 FGR64:$src))>;
+ def : Pat<(i64 (fp_to_sint FGR32:$src)), (DMFC1 (TRUNC_L_S FGR32:$src))>;
+ def : Pat<(i64 (fp_to_sint FGR64:$src)), (DMFC1 (TRUNC_L_D64 FGR64:$src))>;
+ def : Pat<(f32 (fround FGR64:$src)), (CVT_S_D64 FGR64:$src)>;
+ def : Pat<(f64 (fextend FGR32:$src)), (CVT_D64_S FGR32:$src)>;
+}
\ No newline at end of file
projects / oota-llvm.git / blobdiff