|  | //===-- X86InstrFMA.td - FMA Instruction Set ---------------*- tablegen -*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file describes 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, | 
|  | SDNode 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:$src3))))]>, | 
|  | Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; | 
|  | } | 
|  |  | 
|  | multiclass fma3p_rm_231<bits<8> opc, string OpcodeStr, RegisterClass RC, | 
|  | ValueType VT, X86MemOperand x86memop, PatFrag MemFrag, | 
|  | SDNode Op, X86FoldableSchedWrite sched> { | 
|  | let hasSideEffects = 0 in | 
|  | def r     : FMA3<opc, MRMSrcReg, (outs RC:$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:$src1)))]>, | 
|  | Sched<[sched.Folded, sched.ReadAfterFold, sched.ReadAfterFold]>; | 
|  | } | 
|  |  | 
|  | multiclass fma3p_rm_132<bits<8> opc, string OpcodeStr, RegisterClass RC, | 
|  | ValueType VT, X86MemOperand x86memop, PatFrag MemFrag, | 
|  | SDNode Op, X86FoldableSchedWrite sched> { | 
|  | let hasSideEffects = 0 in | 
|  | def r     : FMA3<opc, MRMSrcReg, (outs RC:$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 in | 
|  | multiclass fma3p_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, | 
|  | string OpcodeStr, string PackTy, string Suff, | 
|  | PatFrag MemFrag128, PatFrag MemFrag256, | 
|  | SDNode 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, X86Fmadd, v4f32, v8f32, | 
|  | SchedWriteFMA>; | 
|  | defm VFMSUB    : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", "PS", | 
|  | loadv4f32, loadv8f32, X86Fmsub, 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, X86Fmadd, v2f64, | 
|  | v4f64, SchedWriteFMA>, VEX_W; | 
|  | defm VFMSUB    : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", "PD", | 
|  | loadv2f64, loadv4f64, X86Fmsub, 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, X86Fnmadd, v4f32, v8f32, SchedWriteFMA>; | 
|  | defm VFNMSUB : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", "PS", loadv4f32, | 
|  | loadv8f32, X86Fnmsub, v4f32, v8f32, SchedWriteFMA>; | 
|  | } | 
|  | let ExeDomain = SSEPackedDouble in { | 
|  | defm VFNMADD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", "PD", loadv2f64, | 
|  | loadv4f64, X86Fnmadd, v2f64, v4f64, SchedWriteFMA>, VEX_W; | 
|  | defm VFNMSUB : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd", "PD", loadv2f64, | 
|  | loadv4f64, X86Fnmsub, 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 requres 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 = $dst", isCommutable = 1, hasSideEffects = 0 in | 
|  | multiclass fma3s_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, | 
|  | string OpStr, string PackTy, string Suff, | 
|  | SDNode OpNode, RegisterClass RC, | 
|  | X86MemOperand x86memop, X86FoldableSchedWrite sched> { | 
|  | defm NAME#213#Suff : fma3s_rm_213<opc213, !strconcat(OpStr, "213", PackTy), | 
|  | x86memop, RC, OpNode, sched>; | 
|  | defm NAME#231#Suff : fma3s_rm_231<opc231, !strconcat(OpStr, "231", PackTy), | 
|  | x86memop, RC, OpNode, sched>; | 
|  | defm NAME#132#Suff : fma3s_rm_132<opc132, !strconcat(OpStr, "132", PackTy), | 
|  | x86memop, RC, OpNode, sched>; | 
|  | } | 
|  |  | 
|  | // These FMA*_Int instructions are defined specially for being used when | 
|  | // the scalar FMA intrinsics are lowered to machine instructions, and in that | 
|  | // sense, they are similar to existing ADD*_Int, SUB*_Int, MUL*_Int, etc. | 
|  | // instructions. | 
|  | // | 
|  | // All of the FMA*_Int opcodes are defined as commutable here. | 
|  | // Commuting the 2nd and 3rd source register operands of FMAs is quite trivial | 
|  | // and the corresponding optimizations have been developed. | 
|  | // Commuting the 1st operand of FMA*_Int requires some additional analysis, | 
|  | // the commute optimization is legal only if all users of FMA*_Int use only | 
|  | // the lowest element of the FMA*_Int instruction. Even though such analysis | 
|  | // may be not implemented yet we allow the routines doing the actual commute | 
|  | // transformation to decide if one or another instruction is commutable or not. | 
|  | let Constraints = "$src1 = $dst", isCommutable = 1, isCodeGenOnly = 1, | 
|  | hasSideEffects = 0 in | 
|  | multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, | 
|  | Operand memopr, RegisterClass RC, | 
|  | X86FoldableSchedWrite sched> { | 
|  | def r_Int : FMA3S_Int<opc, MRMSrcReg, (outs RC:$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 intrinscis | 
|  | // 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, SDNode 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", X86Fmadd, | 
|  | SchedWriteFMA.Scl>, VEX_LIG; | 
|  | defm VFMSUB : fma3s<0x9B, 0xAB, 0xBB, "vfmsub", X86Fmsub, | 
|  | SchedWriteFMA.Scl>, VEX_LIG; | 
|  |  | 
|  | defm VFNMADD : fma3s<0x9D, 0xAD, 0xBD, "vfnmadd", X86Fnmadd, | 
|  | SchedWriteFMA.Scl>, VEX_LIG; | 
|  | defm VFNMSUB : fma3s<0x9F, 0xAF, 0xBF, "vfnmsub", X86Fnmsub, | 
|  | SchedWriteFMA.Scl>, VEX_LIG; | 
|  |  | 
|  | multiclass scalar_fma_patterns<SDNode 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<X86Fmadd, "VFMADD", "SS", X86Movss, v4f32, f32, FR32, loadf32>; | 
|  | defm : scalar_fma_patterns<X86Fmsub, "VFMSUB", "SS", X86Movss, v4f32, f32, FR32, loadf32>; | 
|  | defm : scalar_fma_patterns<X86Fnmadd, "VFNMADD", "SS", X86Movss, v4f32, f32, FR32, loadf32>; | 
|  | defm : scalar_fma_patterns<X86Fnmsub, "VFNMSUB", "SS", X86Movss, v4f32, f32, FR32, loadf32>; | 
|  |  | 
|  | defm : scalar_fma_patterns<X86Fmadd, "VFMADD", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; | 
|  | defm : scalar_fma_patterns<X86Fmsub, "VFMSUB", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; | 
|  | defm : scalar_fma_patterns<X86Fnmadd, "VFNMADD", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; | 
|  | defm : scalar_fma_patterns<X86Fnmsub, "VFNMSUB", "SD", X86Movsd, v2f64, f64, FR64, loadf64>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // FMA4 - AMD 4 operand Fused Multiply-Add instructions | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | multiclass fma4s<bits<8> opc, string OpcodeStr, RegisterClass RC, | 
|  | X86MemOperand x86memop, ValueType OpVT, SDNode 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, $src3}"), []>, | 
|  | VEX_LIG, FoldGenData<NAME#rr>, Sched<[sched]>; | 
|  | } | 
|  |  | 
|  | multiclass fma4s_int<bits<8> opc, string OpcodeStr, Operand memop, | 
|  | ValueType VT, X86FoldableSchedWrite sched> { | 
|  | let isCodeGenOnly = 1, hasSideEffects = 0 in { | 
|  | def rr_Int : FMA4S_Int<opc, MRMSrcRegOp4, (outs VR128:$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, $src3}"), | 
|  | []>, VEX_LIG, FoldGenData<NAME#rr_Int>, Sched<[sched]>; | 
|  | } // isCodeGenOnly = 1 | 
|  | } | 
|  |  | 
|  | multiclass fma4p<bits<8> opc, string OpcodeStr, SDNode OpNode, | 
|  | ValueType OpVT128, ValueType OpVT256, | 
|  | PatFrag ld_frag128, PatFrag ld_frag256, | 
|  | X86SchedWriteWidths sched> { | 
|  | let isCommutable = 1 in | 
|  | def rr : FMA4<opc, MRMSrcRegOp4, (outs VR128:$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, X86Fmadd, loadf32, | 
|  | SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x6A, "vfmaddss", ssmem, v4f32, | 
|  | SchedWriteFMA.Scl>; | 
|  | defm VFMSUBSS4  : fma4s<0x6E, "vfmsubss", FR32, f32mem, f32, X86Fmsub, loadf32, | 
|  | SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x6E, "vfmsubss", ssmem, v4f32, | 
|  | SchedWriteFMA.Scl>; | 
|  | defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", FR32, f32mem, f32, | 
|  | X86Fnmadd, loadf32, SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x7A, "vfnmaddss", ssmem, v4f32, | 
|  | SchedWriteFMA.Scl>; | 
|  | defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", FR32, f32mem, f32, | 
|  | X86Fnmsub, loadf32, SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x7E, "vfnmsubss", ssmem, v4f32, | 
|  | SchedWriteFMA.Scl>; | 
|  | // Packed Instructions | 
|  | defm VFMADDPS4    : fma4p<0x68, "vfmaddps", X86Fmadd, v4f32, v8f32, | 
|  | loadv4f32, loadv8f32, SchedWriteFMA>; | 
|  | defm VFMSUBPS4    : fma4p<0x6C, "vfmsubps", X86Fmsub, v4f32, v8f32, | 
|  | loadv4f32, loadv8f32, SchedWriteFMA>; | 
|  | defm VFNMADDPS4   : fma4p<0x78, "vfnmaddps", X86Fnmadd, v4f32, v8f32, | 
|  | loadv4f32, loadv8f32, SchedWriteFMA>; | 
|  | defm VFNMSUBPS4   : fma4p<0x7C, "vfnmsubps", X86Fnmsub, 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, X86Fmadd, loadf64, | 
|  | SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x6B, "vfmaddsd", sdmem, v2f64, | 
|  | SchedWriteFMA.Scl>; | 
|  | defm VFMSUBSD4  : fma4s<0x6F, "vfmsubsd", FR64, f64mem, f64, X86Fmsub, loadf64, | 
|  | SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x6F, "vfmsubsd", sdmem, v2f64, | 
|  | SchedWriteFMA.Scl>; | 
|  | defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", FR64, f64mem, f64, | 
|  | X86Fnmadd, loadf64, SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x7B, "vfnmaddsd", sdmem, v2f64, | 
|  | SchedWriteFMA.Scl>; | 
|  | defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", FR64, f64mem, f64, | 
|  | X86Fnmsub, loadf64, SchedWriteFMA.Scl>, | 
|  | fma4s_int<0x7F, "vfnmsubsd", sdmem, v2f64, | 
|  | SchedWriteFMA.Scl>; | 
|  | // Packed Instructions | 
|  | defm VFMADDPD4    : fma4p<0x69, "vfmaddpd", X86Fmadd, v2f64, v4f64, | 
|  | loadv2f64, loadv4f64, SchedWriteFMA>; | 
|  | defm VFMSUBPD4    : fma4p<0x6D, "vfmsubpd", X86Fmsub, v2f64, v4f64, | 
|  | loadv2f64, loadv4f64, SchedWriteFMA>; | 
|  | defm VFNMADDPD4   : fma4p<0x79, "vfnmaddpd", X86Fnmadd, v2f64, v4f64, | 
|  | loadv2f64, loadv4f64, SchedWriteFMA>; | 
|  | defm VFNMSUBPD4   : fma4p<0x7D, "vfnmsubpd", X86Fnmsub, 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<SDNode 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<X86Fmadd, "VFMADDSS4", v4f32, f32, FR32, loadf32>; | 
|  | defm : scalar_fma4_patterns<X86Fmsub, "VFMSUBSS4", v4f32, f32, FR32, loadf32>; | 
|  | defm : scalar_fma4_patterns<X86Fnmadd, "VFNMADDSS4", v4f32, f32, FR32, loadf32>; | 
|  | defm : scalar_fma4_patterns<X86Fnmsub, "VFNMSUBSS4", v4f32, f32, FR32, loadf32>; | 
|  |  | 
|  | defm : scalar_fma4_patterns<X86Fmadd, "VFMADDSD4", v2f64, f64, FR64, loadf64>; | 
|  | defm : scalar_fma4_patterns<X86Fmsub, "VFMSUBSD4", v2f64, f64, FR64, loadf64>; | 
|  | defm : scalar_fma4_patterns<X86Fnmadd, "VFNMADDSD4", v2f64, f64, FR64, loadf64>; | 
|  | defm : scalar_fma4_patterns<X86Fnmsub, "VFNMSUBSD4", v2f64, f64, FR64, loadf64>; |