| //===-- X86InstrFMA.td - FMA Instruction Set ---------------*- tablegen -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes FMA (Fused Multiply-Add) instructions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // FMA3 - Intel 3 operand Fused Multiply-Add instructions |
| //===----------------------------------------------------------------------===// |
| |
| // For all FMA opcodes declared in fma3p_rm_* and fma3s_rm_* multiclasses |
| // defined below, both the register and memory variants are commutable. |
| // For the register form the commutable operands are 1, 2 and 3. |
| // For the memory variant the folded operand must be in 3. Thus, |
| // in that case, only the operands 1 and 2 can be swapped. |
| // Commuting some of operands may require the opcode change. |
| // FMA*213*: |
| // operands 1 and 2 (memory & register forms): *213* --> *213*(no changes); |
| // operands 1 and 3 (register forms only): *213* --> *231*; |
| // operands 2 and 3 (register forms only): *213* --> *132*. |
| // FMA*132*: |
| // operands 1 and 2 (memory & register forms): *132* --> *231*; |
| // operands 1 and 3 (register forms only): *132* --> *132*(no changes); |
| // operands 2 and 3 (register forms only): *132* --> *213*. |
| // FMA*231*: |
| // operands 1 and 2 (memory & register forms): *231* --> *132*; |
| // operands 1 and 3 (register forms only): *231* --> *213*; |
| // operands 2 and 3 (register forms only): *231* --> *231*(no changes). |
| |
| multiclass fma3p_rm_213<bits<8> opc, string OpcodeStr, RegisterClass RC, |
| ValueType VT, X86MemOperand x86memop, PatFrag MemFrag, |
| SDPatternOperator Op, X86FoldableSchedWrite sched> { |
| def r : FMA3<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, (VT (Op RC:$src2, RC:$src1, RC:$src3)))]>, |
| Sched<[sched]>; |
| |
| let mayLoad = 1 in |
| def m : FMA3<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, (VT (Op RC:$src2, RC:$src1, |
| (MemFrag addr:$src3))))]>, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| multiclass fma3p_rm_231<bits<8> opc, string OpcodeStr, RegisterClass RC, |
| ValueType VT, X86MemOperand x86memop, PatFrag MemFrag, |
| SDPatternOperator Op, X86FoldableSchedWrite sched> { |
| let hasSideEffects = 0 in |
| def r : FMA3<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| []>, Sched<[sched]>; |
| |
| let mayLoad = 1 in |
| def m : FMA3<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, (VT (Op RC:$src2, (MemFrag addr:$src3), |
| RC:$src1)))]>, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| multiclass fma3p_rm_132<bits<8> opc, string OpcodeStr, RegisterClass RC, |
| ValueType VT, X86MemOperand x86memop, PatFrag MemFrag, |
| SDPatternOperator Op, X86FoldableSchedWrite sched> { |
| let hasSideEffects = 0 in |
| def r : FMA3<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| []>, Sched<[sched]>; |
| |
| // Pattern is 312 order so that the load is in a different place from the |
| // 213 and 231 patterns this helps tablegen's duplicate pattern detection. |
| let mayLoad = 1 in |
| def m : FMA3<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, (VT (Op (MemFrag addr:$src3), RC:$src1, |
| RC:$src2)))]>, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| let Constraints = "$src1 = $dst", hasSideEffects = 0, isCommutable = 1, |
| Uses = [MXCSR], mayRaiseFPException = 1 in |
| multiclass fma3p_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpcodeStr, string PackTy, string Suff, |
| PatFrag MemFrag128, PatFrag MemFrag256, |
| SDPatternOperator Op, ValueType OpTy128, ValueType OpTy256, |
| X86SchedWriteWidths sched> { |
| defm NAME#213#Suff : fma3p_rm_213<opc213, !strconcat(OpcodeStr, "213", PackTy), |
| VR128, OpTy128, f128mem, MemFrag128, Op, sched.XMM>; |
| defm NAME#231#Suff : fma3p_rm_231<opc231, !strconcat(OpcodeStr, "231", PackTy), |
| VR128, OpTy128, f128mem, MemFrag128, Op, sched.XMM>; |
| defm NAME#132#Suff : fma3p_rm_132<opc132, !strconcat(OpcodeStr, "132", PackTy), |
| VR128, OpTy128, f128mem, MemFrag128, Op, sched.XMM>; |
| |
| defm NAME#213#Suff#Y : fma3p_rm_213<opc213, !strconcat(OpcodeStr, "213", PackTy), |
| VR256, OpTy256, f256mem, MemFrag256, Op, sched.YMM>, |
| VEX_L; |
| defm NAME#231#Suff#Y : fma3p_rm_231<opc231, !strconcat(OpcodeStr, "231", PackTy), |
| VR256, OpTy256, f256mem, MemFrag256, Op, sched.YMM>, |
| VEX_L; |
| defm NAME#132#Suff#Y : fma3p_rm_132<opc132, !strconcat(OpcodeStr, "132", PackTy), |
| VR256, OpTy256, f256mem, MemFrag256, Op, sched.YMM>, |
| VEX_L; |
| } |
| |
| // Fused Multiply-Add |
| let ExeDomain = SSEPackedSingle in { |
| defm VFMADD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps", "PS", |
| loadv4f32, loadv8f32, any_fma, v4f32, v8f32, |
| SchedWriteFMA>; |
| defm VFMSUB : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", "PS", |
| loadv4f32, loadv8f32, X86any_Fmsub, v4f32, v8f32, |
| SchedWriteFMA>; |
| defm VFMADDSUB : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps", "PS", |
| loadv4f32, loadv8f32, X86Fmaddsub, v4f32, v8f32, |
| SchedWriteFMA>; |
| defm VFMSUBADD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps", "PS", |
| loadv4f32, loadv8f32, X86Fmsubadd, v4f32, v8f32, |
| SchedWriteFMA>; |
| } |
| |
| let ExeDomain = SSEPackedDouble in { |
| defm VFMADD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd", "PD", |
| loadv2f64, loadv4f64, any_fma, v2f64, |
| v4f64, SchedWriteFMA>, VEX_W; |
| defm VFMSUB : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", "PD", |
| loadv2f64, loadv4f64, X86any_Fmsub, v2f64, |
| v4f64, SchedWriteFMA>, VEX_W; |
| defm VFMADDSUB : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd", "PD", |
| loadv2f64, loadv4f64, X86Fmaddsub, |
| v2f64, v4f64, SchedWriteFMA>, VEX_W; |
| defm VFMSUBADD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd", "PD", |
| loadv2f64, loadv4f64, X86Fmsubadd, |
| v2f64, v4f64, SchedWriteFMA>, VEX_W; |
| } |
| |
| // Fused Negative Multiply-Add |
| let ExeDomain = SSEPackedSingle in { |
| defm VFNMADD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps", "PS", loadv4f32, |
| loadv8f32, X86any_Fnmadd, v4f32, v8f32, SchedWriteFMA>; |
| defm VFNMSUB : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", "PS", loadv4f32, |
| loadv8f32, X86any_Fnmsub, v4f32, v8f32, SchedWriteFMA>; |
| } |
| let ExeDomain = SSEPackedDouble in { |
| defm VFNMADD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", "PD", loadv2f64, |
| loadv4f64, X86any_Fnmadd, v2f64, v4f64, SchedWriteFMA>, VEX_W; |
| defm VFNMSUB : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd", "PD", loadv2f64, |
| loadv4f64, X86any_Fnmsub, v2f64, v4f64, SchedWriteFMA>, VEX_W; |
| } |
| |
| // All source register operands of FMA opcodes defined in fma3s_rm multiclass |
| // can be commuted. In many cases such commute transformation requires an opcode |
| // adjustment, for example, commuting the operands 1 and 2 in FMA*132 form |
| // would require an opcode change to FMA*231: |
| // FMA*132* reg1, reg2, reg3; // reg1 * reg3 + reg2; |
| // --> |
| // FMA*231* reg2, reg1, reg3; // reg1 * reg3 + reg2; |
| // Please see more detailed comment at the very beginning of the section |
| // defining FMA3 opcodes above. |
| multiclass fma3s_rm_213<bits<8> opc, string OpcodeStr, |
| X86MemOperand x86memop, RegisterClass RC, |
| SDPatternOperator OpNode, |
| X86FoldableSchedWrite sched> { |
| def r : FMA3S<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, (OpNode RC:$src2, RC:$src1, RC:$src3))]>, |
| Sched<[sched]>; |
| |
| let mayLoad = 1 in |
| def m : FMA3S<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpNode RC:$src2, RC:$src1, (load addr:$src3)))]>, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| multiclass fma3s_rm_231<bits<8> opc, string OpcodeStr, |
| X86MemOperand x86memop, RegisterClass RC, |
| SDPatternOperator OpNode, X86FoldableSchedWrite sched> { |
| let hasSideEffects = 0 in |
| def r : FMA3S<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| []>, Sched<[sched]>; |
| |
| let mayLoad = 1 in |
| def m : FMA3S<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpNode RC:$src2, (load addr:$src3), RC:$src1))]>, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| multiclass fma3s_rm_132<bits<8> opc, string OpcodeStr, |
| X86MemOperand x86memop, RegisterClass RC, |
| SDPatternOperator OpNode, X86FoldableSchedWrite sched> { |
| let hasSideEffects = 0 in |
| def r : FMA3S<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| []>, Sched<[sched]>; |
| |
| // Pattern is 312 order so that the load is in a different place from the |
| // 213 and 231 patterns this helps tablegen's duplicate pattern detection. |
| let mayLoad = 1 in |
| def m : FMA3S<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpNode (load addr:$src3), RC:$src1, RC:$src2))]>, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| let Constraints = "$src1 = $dst", isCommutable = 1, isCodeGenOnly = 1, |
| hasSideEffects = 0, Uses = [MXCSR], mayRaiseFPException = 1 in |
| multiclass fma3s_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpStr, string PackTy, string Suff, |
| SDPatternOperator OpNode, RegisterClass RC, |
| X86MemOperand x86memop, X86FoldableSchedWrite sched> { |
| defm NAME#213#Suff : fma3s_rm_213<opc213, !strconcat(OpStr, "213", PackTy), |
| x86memop, RC, OpNode, sched>; |
| defm NAME#231#Suff : fma3s_rm_231<opc231, !strconcat(OpStr, "231", PackTy), |
| x86memop, RC, OpNode, sched>; |
| defm NAME#132#Suff : fma3s_rm_132<opc132, !strconcat(OpStr, "132", PackTy), |
| x86memop, RC, OpNode, sched>; |
| } |
| |
| // These FMA*_Int instructions are defined specially for being used when |
| // the scalar FMA intrinsics are lowered to machine instructions, and in that |
| // sense, they are similar to existing ADD*_Int, SUB*_Int, MUL*_Int, etc. |
| // instructions. |
| // |
| // All of the FMA*_Int opcodes are defined as commutable here. |
| // Commuting the 2nd and 3rd source register operands of FMAs is quite trivial |
| // and the corresponding optimizations have been developed. |
| // Commuting the 1st operand of FMA*_Int requires some additional analysis, |
| // the commute optimization is legal only if all users of FMA*_Int use only |
| // the lowest element of the FMA*_Int instruction. Even though such analysis |
| // may be not implemented yet we allow the routines doing the actual commute |
| // transformation to decide if one or another instruction is commutable or not. |
| let Constraints = "$src1 = $dst", isCommutable = 1, hasSideEffects = 0, |
| Uses = [MXCSR], mayRaiseFPException = 1 in |
| multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, |
| Operand memopr, RegisterClass RC, |
| X86FoldableSchedWrite sched> { |
| def r_Int : FMA3S_Int<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| []>, Sched<[sched]>; |
| |
| let mayLoad = 1 in |
| def m_Int : FMA3S_Int<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, memopr:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| []>, Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| } |
| |
| // The FMA 213 form is created for lowering of scalar FMA intrinsics |
| // to machine instructions. |
| // The FMA 132 form can trivially be get by commuting the 2nd and 3rd operands |
| // of FMA 213 form. |
| // The FMA 231 form can be get only by commuting the 1st operand of 213 or 132 |
| // forms and is possible only after special analysis of all uses of the initial |
| // instruction. Such analysis do not exist yet and thus introducing the 231 |
| // form of FMA*_Int instructions is done using an optimistic assumption that |
| // such analysis will be implemented eventually. |
| multiclass fma3s_int_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpStr, string PackTy, string Suff, |
| RegisterClass RC, Operand memop, |
| X86FoldableSchedWrite sched> { |
| defm NAME#132#Suff : fma3s_rm_int<opc132, !strconcat(OpStr, "132", PackTy), |
| memop, RC, sched>; |
| defm NAME#213#Suff : fma3s_rm_int<opc213, !strconcat(OpStr, "213", PackTy), |
| memop, RC, sched>; |
| defm NAME#231#Suff : fma3s_rm_int<opc231, !strconcat(OpStr, "231", PackTy), |
| memop, RC, sched>; |
| } |
| |
| multiclass fma3s<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpStr, SDPatternOperator OpNode, X86FoldableSchedWrite sched> { |
| let ExeDomain = SSEPackedSingle in |
| defm NAME : fma3s_forms<opc132, opc213, opc231, OpStr, "ss", "SS", OpNode, |
| FR32, f32mem, sched>, |
| fma3s_int_forms<opc132, opc213, opc231, OpStr, "ss", "SS", |
| VR128, ssmem, sched>; |
| |
| let ExeDomain = SSEPackedDouble in |
| defm NAME : fma3s_forms<opc132, opc213, opc231, OpStr, "sd", "SD", OpNode, |
| FR64, f64mem, sched>, |
| fma3s_int_forms<opc132, opc213, opc231, OpStr, "sd", "SD", |
| VR128, sdmem, sched>, VEX_W; |
| } |
| |
| defm VFMADD : fma3s<0x99, 0xA9, 0xB9, "vfmadd", any_fma, |
| SchedWriteFMA.Scl>, VEX_LIG; |
| defm VFMSUB : fma3s<0x9B, 0xAB, 0xBB, "vfmsub", X86any_Fmsub, |
| SchedWriteFMA.Scl>, VEX_LIG; |
| |
| defm VFNMADD : fma3s<0x9D, 0xAD, 0xBD, "vfnmadd", X86any_Fnmadd, |
| SchedWriteFMA.Scl>, VEX_LIG; |
| defm VFNMSUB : fma3s<0x9F, 0xAF, 0xBF, "vfnmsub", X86any_Fnmsub, |
| SchedWriteFMA.Scl>, VEX_LIG; |
| |
| multiclass scalar_fma_patterns<SDPatternOperator Op, string Prefix, string Suffix, |
| SDNode Move, ValueType VT, ValueType EltVT, |
| RegisterClass RC, PatFrag mem_frag> { |
| let Predicates = [HasFMA, NoAVX512] in { |
| def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector |
| (Op RC:$src2, |
| (EltVT (extractelt (VT VR128:$src1), (iPTR 0))), |
| RC:$src3))))), |
| (!cast<Instruction>(Prefix#"213"#Suffix#"r_Int") |
| VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)), |
| (VT (COPY_TO_REGCLASS RC:$src3, VR128)))>; |
| |
| def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector |
| (Op RC:$src2, RC:$src3, |
| (EltVT (extractelt (VT VR128:$src1), (iPTR 0)))))))), |
| (!cast<Instruction>(Prefix#"231"#Suffix#"r_Int") |
| VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)), |
| (VT (COPY_TO_REGCLASS RC:$src3, VR128)))>; |
| |
| def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector |
| (Op RC:$src2, |
| (EltVT (extractelt (VT VR128:$src1), (iPTR 0))), |
| (mem_frag addr:$src3)))))), |
| (!cast<Instruction>(Prefix#"213"#Suffix#"m_Int") |
| VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)), |
| addr:$src3)>; |
| |
| def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector |
| (Op (EltVT (extractelt (VT VR128:$src1), (iPTR 0))), |
| (mem_frag addr:$src3), RC:$src2))))), |
| (!cast<Instruction>(Prefix#"132"#Suffix#"m_Int") |
| VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)), |
| addr:$src3)>; |
| |
| def : Pat<(VT (Move (VT VR128:$src1), (VT (scalar_to_vector |
| (Op RC:$src2, (mem_frag addr:$src3), |
| (EltVT (extractelt (VT VR128:$src1), (iPTR 0)))))))), |
| (!cast<Instruction>(Prefix#"231"#Suffix#"m_Int") |
| VR128:$src1, (VT (COPY_TO_REGCLASS RC:$src2, VR128)), |
| addr:$src3)>; |
| } |
| } |
| |
| defm : scalar_fma_patterns<any_fma, "VFMADD", "SS", X86Movss, v4f32, f32, FR32, loadf32>; |
| defm : scalar_fma_patterns<X86any_Fmsub, "VFMSUB", "SS", X86Movss, v4f32, f32, FR32, loadf32>; |
| defm : scalar_fma_patterns<X86any_Fnmadd, "VFNMADD", "SS", X86Movss, v4f32, f32, FR32, loadf32>; |
| defm : scalar_fma_patterns<X86any_Fnmsub, "VFNMSUB", "SS", X86Movss, v4f32, f32, FR32, loadf32>; |
| |
| defm : scalar_fma_patterns<any_fma, "VFMADD", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; |
| defm : scalar_fma_patterns<X86any_Fmsub, "VFMSUB", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; |
| defm : scalar_fma_patterns<X86any_Fnmadd, "VFNMADD", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; |
| defm : scalar_fma_patterns<X86any_Fnmsub, "VFNMSUB", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; |
| |
| //===----------------------------------------------------------------------===// |
| // FMA4 - AMD 4 operand Fused Multiply-Add instructions |
| //===----------------------------------------------------------------------===// |
| |
| let Uses = [MXCSR], mayRaiseFPException = 1 in |
| multiclass fma4s<bits<8> opc, string OpcodeStr, RegisterClass RC, |
| X86MemOperand x86memop, ValueType OpVT, SDPatternOperator OpNode, |
| PatFrag mem_frag, X86FoldableSchedWrite sched> { |
| let isCommutable = 1 in |
| def rr : FMA4S<opc, MRMSrcRegOp4, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpVT (OpNode RC:$src1, RC:$src2, RC:$src3)))]>, VEX_W, VEX_LIG, |
| Sched<[sched]>; |
| def rm : FMA4S<opc, MRMSrcMemOp4, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set RC:$dst, (OpNode RC:$src1, RC:$src2, |
| (mem_frag addr:$src3)))]>, VEX_W, VEX_LIG, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| def mr : FMA4S<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, x86memop:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpNode RC:$src1, (mem_frag addr:$src2), RC:$src3))]>, VEX_LIG, |
| Sched<[sched.Folded, sched.ReadAfterFold, |
| // x86memop:$src2 |
| ReadDefault, ReadDefault, ReadDefault, ReadDefault, |
| ReadDefault, |
| // RC:$src3 |
| sched.ReadAfterFold]>; |
| // For disassembler |
| let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in |
| def rr_REV : FMA4S<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>, |
| VEX_LIG, FoldGenData<NAME#rr>, Sched<[sched]>; |
| } |
| |
| multiclass fma4s_int<bits<8> opc, string OpcodeStr, Operand memop, |
| ValueType VT, X86FoldableSchedWrite sched> { |
| let isCodeGenOnly = 1, hasSideEffects = 0, |
| Uses = [MXCSR], mayRaiseFPException = 1 in { |
| def rr_Int : FMA4S_Int<opc, MRMSrcRegOp4, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| []>, VEX_W, VEX_LIG, Sched<[sched]>; |
| let mayLoad = 1 in |
| def rm_Int : FMA4S_Int<opc, MRMSrcMemOp4, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| []>, VEX_W, VEX_LIG, |
| Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; |
| let mayLoad = 1 in |
| def mr_Int : FMA4S_Int<opc, MRMSrcMem, (outs VR128:$dst), |
| (ins VR128:$src1, memop:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| []>, |
| VEX_LIG, Sched<[sched.Folded, sched.ReadAfterFold, |
| // memop:$src2 |
| ReadDefault, ReadDefault, ReadDefault, |
| ReadDefault, ReadDefault, |
| // VR128::$src3 |
| sched.ReadAfterFold]>; |
| def rr_Int_REV : FMA4S_Int<opc, MRMSrcReg, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| []>, VEX_LIG, FoldGenData<NAME#rr_Int>, Sched<[sched]>; |
| } // isCodeGenOnly = 1 |
| } |
| |
| let Uses = [MXCSR], mayRaiseFPException = 1 in |
| multiclass fma4p<bits<8> opc, string OpcodeStr, SDPatternOperator OpNode, |
| ValueType OpVT128, ValueType OpVT256, |
| PatFrag ld_frag128, PatFrag ld_frag256, |
| X86SchedWriteWidths sched> { |
| let isCommutable = 1 in |
| def rr : FMA4<opc, MRMSrcRegOp4, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR128:$dst, |
| (OpVT128 (OpNode VR128:$src1, VR128:$src2, VR128:$src3)))]>, |
| VEX_W, Sched<[sched.XMM]>; |
| def rm : FMA4<opc, MRMSrcMemOp4, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, f128mem:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR128:$dst, (OpNode VR128:$src1, VR128:$src2, |
| (ld_frag128 addr:$src3)))]>, VEX_W, |
| Sched<[sched.XMM.Folded, sched.XMM.ReadAfterFold, sched.XMM.ReadAfterFold]>; |
| def mr : FMA4<opc, MRMSrcMem, (outs VR128:$dst), |
| (ins VR128:$src1, f128mem:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR128:$dst, |
| (OpNode VR128:$src1, (ld_frag128 addr:$src2), VR128:$src3))]>, |
| Sched<[sched.XMM.Folded, sched.XMM.ReadAfterFold, |
| // f128mem:$src2 |
| ReadDefault, ReadDefault, ReadDefault, ReadDefault, |
| ReadDefault, |
| // VR128::$src3 |
| sched.XMM.ReadAfterFold]>; |
| let isCommutable = 1 in |
| def Yrr : FMA4<opc, MRMSrcRegOp4, (outs VR256:$dst), |
| (ins VR256:$src1, VR256:$src2, VR256:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR256:$dst, |
| (OpVT256 (OpNode VR256:$src1, VR256:$src2, VR256:$src3)))]>, |
| VEX_W, VEX_L, Sched<[sched.YMM]>; |
| def Yrm : FMA4<opc, MRMSrcMemOp4, (outs VR256:$dst), |
| (ins VR256:$src1, VR256:$src2, f256mem:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR256:$dst, (OpNode VR256:$src1, VR256:$src2, |
| (ld_frag256 addr:$src3)))]>, VEX_W, VEX_L, |
| Sched<[sched.YMM.Folded, sched.YMM.ReadAfterFold, sched.YMM.ReadAfterFold]>; |
| def Ymr : FMA4<opc, MRMSrcMem, (outs VR256:$dst), |
| (ins VR256:$src1, f256mem:$src2, VR256:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR256:$dst, (OpNode VR256:$src1, |
| (ld_frag256 addr:$src2), VR256:$src3))]>, VEX_L, |
| Sched<[sched.YMM.Folded, sched.YMM.ReadAfterFold, |
| // f256mem:$src2 |
| ReadDefault, ReadDefault, ReadDefault, ReadDefault, |
| ReadDefault, |
| // VR256::$src3 |
| sched.YMM.ReadAfterFold]>; |
| // For disassembler |
| let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in { |
| def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>, |
| Sched<[sched.XMM]>, FoldGenData<NAME#rr>; |
| def Yrr_REV : FMA4<opc, MRMSrcReg, (outs VR256:$dst), |
| (ins VR256:$src1, VR256:$src2, VR256:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>, |
| VEX_L, Sched<[sched.YMM]>, FoldGenData<NAME#Yrr>; |
| } // isCodeGenOnly = 1 |
| } |
| |
| let ExeDomain = SSEPackedSingle in { |
| // Scalar Instructions |
| defm VFMADDSS4 : fma4s<0x6A, "vfmaddss", FR32, f32mem, f32, any_fma, loadf32, |
| SchedWriteFMA.Scl>, |
| fma4s_int<0x6A, "vfmaddss", ssmem, v4f32, |
| SchedWriteFMA.Scl>; |
| defm VFMSUBSS4 : fma4s<0x6E, "vfmsubss", FR32, f32mem, f32, X86any_Fmsub, loadf32, |
| SchedWriteFMA.Scl>, |
| fma4s_int<0x6E, "vfmsubss", ssmem, v4f32, |
| SchedWriteFMA.Scl>; |
| defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", FR32, f32mem, f32, |
| X86any_Fnmadd, loadf32, SchedWriteFMA.Scl>, |
| fma4s_int<0x7A, "vfnmaddss", ssmem, v4f32, |
| SchedWriteFMA.Scl>; |
| defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", FR32, f32mem, f32, |
| X86any_Fnmsub, loadf32, SchedWriteFMA.Scl>, |
| fma4s_int<0x7E, "vfnmsubss", ssmem, v4f32, |
| SchedWriteFMA.Scl>; |
| // Packed Instructions |
| defm VFMADDPS4 : fma4p<0x68, "vfmaddps", any_fma, v4f32, v8f32, |
| loadv4f32, loadv8f32, SchedWriteFMA>; |
| defm VFMSUBPS4 : fma4p<0x6C, "vfmsubps", X86any_Fmsub, v4f32, v8f32, |
| loadv4f32, loadv8f32, SchedWriteFMA>; |
| defm VFNMADDPS4 : fma4p<0x78, "vfnmaddps", X86any_Fnmadd, v4f32, v8f32, |
| loadv4f32, loadv8f32, SchedWriteFMA>; |
| defm VFNMSUBPS4 : fma4p<0x7C, "vfnmsubps", X86any_Fnmsub, v4f32, v8f32, |
| loadv4f32, loadv8f32, SchedWriteFMA>; |
| defm VFMADDSUBPS4 : fma4p<0x5C, "vfmaddsubps", X86Fmaddsub, v4f32, v8f32, |
| loadv4f32, loadv8f32, SchedWriteFMA>; |
| defm VFMSUBADDPS4 : fma4p<0x5E, "vfmsubaddps", X86Fmsubadd, v4f32, v8f32, |
| loadv4f32, loadv8f32, SchedWriteFMA>; |
| } |
| |
| let ExeDomain = SSEPackedDouble in { |
| // Scalar Instructions |
| defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd", FR64, f64mem, f64, any_fma, loadf64, |
| SchedWriteFMA.Scl>, |
| fma4s_int<0x6B, "vfmaddsd", sdmem, v2f64, |
| SchedWriteFMA.Scl>; |
| defm VFMSUBSD4 : fma4s<0x6F, "vfmsubsd", FR64, f64mem, f64, X86any_Fmsub, loadf64, |
| SchedWriteFMA.Scl>, |
| fma4s_int<0x6F, "vfmsubsd", sdmem, v2f64, |
| SchedWriteFMA.Scl>; |
| defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", FR64, f64mem, f64, |
| X86any_Fnmadd, loadf64, SchedWriteFMA.Scl>, |
| fma4s_int<0x7B, "vfnmaddsd", sdmem, v2f64, |
| SchedWriteFMA.Scl>; |
| defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", FR64, f64mem, f64, |
| X86any_Fnmsub, loadf64, SchedWriteFMA.Scl>, |
| fma4s_int<0x7F, "vfnmsubsd", sdmem, v2f64, |
| SchedWriteFMA.Scl>; |
| // Packed Instructions |
| defm VFMADDPD4 : fma4p<0x69, "vfmaddpd", any_fma, v2f64, v4f64, |
| loadv2f64, loadv4f64, SchedWriteFMA>; |
| defm VFMSUBPD4 : fma4p<0x6D, "vfmsubpd", X86any_Fmsub, v2f64, v4f64, |
| loadv2f64, loadv4f64, SchedWriteFMA>; |
| defm VFNMADDPD4 : fma4p<0x79, "vfnmaddpd", X86any_Fnmadd, v2f64, v4f64, |
| loadv2f64, loadv4f64, SchedWriteFMA>; |
| defm VFNMSUBPD4 : fma4p<0x7D, "vfnmsubpd", X86any_Fnmsub, v2f64, v4f64, |
| loadv2f64, loadv4f64, SchedWriteFMA>; |
| defm VFMADDSUBPD4 : fma4p<0x5D, "vfmaddsubpd", X86Fmaddsub, v2f64, v4f64, |
| loadv2f64, loadv4f64, SchedWriteFMA>; |
| defm VFMSUBADDPD4 : fma4p<0x5F, "vfmsubaddpd", X86Fmsubadd, v2f64, v4f64, |
| loadv2f64, loadv4f64, SchedWriteFMA>; |
| } |
| |
| multiclass scalar_fma4_patterns<SDPatternOperator Op, string Name, |
| ValueType VT, ValueType EltVT, |
| RegisterClass RC, PatFrag mem_frag> { |
| let Predicates = [HasFMA4] in { |
| def : Pat<(VT (X86vzmovl (VT (scalar_to_vector |
| (Op RC:$src1, RC:$src2, RC:$src3))))), |
| (!cast<Instruction>(Name#"rr_Int") |
| (VT (COPY_TO_REGCLASS RC:$src1, VR128)), |
| (VT (COPY_TO_REGCLASS RC:$src2, VR128)), |
| (VT (COPY_TO_REGCLASS RC:$src3, VR128)))>; |
| |
| def : Pat<(VT (X86vzmovl (VT (scalar_to_vector |
| (Op RC:$src1, RC:$src2, |
| (mem_frag addr:$src3)))))), |
| (!cast<Instruction>(Name#"rm_Int") |
| (VT (COPY_TO_REGCLASS RC:$src1, VR128)), |
| (VT (COPY_TO_REGCLASS RC:$src2, VR128)), addr:$src3)>; |
| |
| def : Pat<(VT (X86vzmovl (VT (scalar_to_vector |
| (Op RC:$src1, (mem_frag addr:$src2), |
| RC:$src3))))), |
| (!cast<Instruction>(Name#"mr_Int") |
| (VT (COPY_TO_REGCLASS RC:$src1, VR128)), addr:$src2, |
| (VT (COPY_TO_REGCLASS RC:$src3, VR128)))>; |
| } |
| } |
| |
| defm : scalar_fma4_patterns<any_fma, "VFMADDSS4", v4f32, f32, FR32, loadf32>; |
| defm : scalar_fma4_patterns<X86any_Fmsub, "VFMSUBSS4", v4f32, f32, FR32, loadf32>; |
| defm : scalar_fma4_patterns<X86any_Fnmadd, "VFNMADDSS4", v4f32, f32, FR32, loadf32>; |
| defm : scalar_fma4_patterns<X86any_Fnmsub, "VFNMSUBSS4", v4f32, f32, FR32, loadf32>; |
| |
| defm : scalar_fma4_patterns<any_fma, "VFMADDSD4", v2f64, f64, FR64, loadf64>; |
| defm : scalar_fma4_patterns<X86any_Fmsub, "VFMSUBSD4", v2f64, f64, FR64, loadf64>; |
| defm : scalar_fma4_patterns<X86any_Fnmadd, "VFNMADDSD4", v2f64, f64, FR64, loadf64>; |
| defm : scalar_fma4_patterns<X86any_Fnmsub, "VFNMSUBSD4", v2f64, f64, FR64, loadf64>; |
