| //===-- 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 |
| //===----------------------------------------------------------------------===// |
| |
| let Constraints = "$src1 = $dst" in { |
| multiclass fma3p_rm<bits<8> opc, string OpcodeStr, |
| PatFrag MemFrag128, PatFrag MemFrag256, |
| ValueType OpVT128, ValueType OpVT256, |
| SDPatternOperator Op = null_frag> { |
| let isCommutable = 1 in |
| def r : FMA3<opc, MRMSrcReg, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set VR128:$dst, (OpVT128 (Op VR128:$src2, |
| VR128:$src1, VR128:$src3)))]>; |
| |
| let mayLoad = 1 in |
| def m : FMA3<opc, MRMSrcMem, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, f128mem:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set VR128:$dst, (OpVT128 (Op VR128:$src2, VR128:$src1, |
| (MemFrag128 addr:$src3))))]>; |
| |
| let isCommutable = 1 in |
| def rY : FMA3<opc, MRMSrcReg, (outs VR256:$dst), |
| (ins VR256:$src1, VR256:$src2, VR256:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set VR256:$dst, (OpVT256 (Op VR256:$src2, VR256:$src1, |
| VR256:$src3)))]>, VEX_L; |
| |
| let mayLoad = 1 in |
| def mY : FMA3<opc, MRMSrcMem, (outs VR256:$dst), |
| (ins VR256:$src1, VR256:$src2, f256mem:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set VR256:$dst, |
| (OpVT256 (Op VR256:$src2, VR256:$src1, |
| (MemFrag256 addr:$src3))))]>, VEX_L; |
| } |
| } // Constraints = "$src1 = $dst" |
| |
| multiclass fma3p_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpcodeStr, string PackTy, |
| PatFrag MemFrag128, PatFrag MemFrag256, |
| SDNode Op, ValueType OpTy128, ValueType OpTy256> { |
| defm r213 : fma3p_rm<opc213, |
| !strconcat(OpcodeStr, "213", PackTy), |
| MemFrag128, MemFrag256, OpTy128, OpTy256, Op>; |
| let neverHasSideEffects = 1 in { |
| defm r132 : fma3p_rm<opc132, |
| !strconcat(OpcodeStr, "132", PackTy), |
| MemFrag128, MemFrag256, OpTy128, OpTy256>; |
| defm r231 : fma3p_rm<opc231, |
| !strconcat(OpcodeStr, "231", PackTy), |
| MemFrag128, MemFrag256, OpTy128, OpTy256>; |
| } // neverHasSideEffects = 1 |
| } |
| |
| // Fused Multiply-Add |
| let ExeDomain = SSEPackedSingle in { |
| defm VFMADDPS : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps", memopv4f32, |
| memopv8f32, X86Fmadd, v4f32, v8f32>; |
| defm VFMSUBPS : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", memopv4f32, |
| memopv8f32, X86Fmsub, v4f32, v8f32>; |
| defm VFMADDSUBPS : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps", |
| memopv4f32, memopv8f32, X86Fmaddsub, |
| v4f32, v8f32>; |
| defm VFMSUBADDPS : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps", |
| memopv4f32, memopv8f32, X86Fmsubadd, |
| v4f32, v8f32>; |
| } |
| |
| let ExeDomain = SSEPackedDouble in { |
| defm VFMADDPD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd", memopv2f64, |
| memopv4f64, X86Fmadd, v2f64, v4f64>, VEX_W; |
| defm VFMSUBPD : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", memopv2f64, |
| memopv4f64, X86Fmsub, v2f64, v4f64>, VEX_W; |
| defm VFMADDSUBPD : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd", |
| memopv2f64, memopv4f64, X86Fmaddsub, |
| v2f64, v4f64>, VEX_W; |
| defm VFMSUBADDPD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd", |
| memopv2f64, memopv4f64, X86Fmsubadd, |
| v2f64, v4f64>, VEX_W; |
| } |
| |
| // Fused Negative Multiply-Add |
| let ExeDomain = SSEPackedSingle in { |
| defm VFNMADDPS : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps", memopv4f32, |
| memopv8f32, X86Fnmadd, v4f32, v8f32>; |
| defm VFNMSUBPS : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", memopv4f32, |
| memopv8f32, X86Fnmsub, v4f32, v8f32>; |
| } |
| let ExeDomain = SSEPackedDouble in { |
| defm VFNMADDPD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", memopv2f64, |
| memopv4f64, X86Fnmadd, v2f64, v4f64>, VEX_W; |
| defm VFNMSUBPD : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd", |
| memopv2f64, memopv4f64, X86Fnmsub, v2f64, |
| v4f64>, VEX_W; |
| } |
| |
| let Constraints = "$src1 = $dst" in { |
| multiclass fma3s_rm<bits<8> opc, string OpcodeStr, X86MemOperand x86memop, |
| RegisterClass RC, ValueType OpVT, PatFrag mem_frag, |
| SDPatternOperator OpNode = null_frag> { |
| let isCommutable = 1 in |
| def r : FMA3<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpVT (OpNode RC:$src2, RC:$src1, RC:$src3)))]>; |
| let mayLoad = 1 in |
| def m : FMA3<opc, MRMSrcMem, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, x86memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set RC:$dst, |
| (OpVT (OpNode RC:$src2, RC:$src1, |
| (mem_frag addr:$src3))))]>; |
| } |
| |
| multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, Operand memop, |
| ComplexPattern mem_cpat, Intrinsic IntId, |
| RegisterClass RC> { |
| let isCommutable = 1 in |
| def r_Int : FMA3<opc, MRMSrcReg, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set VR128:$dst, (IntId VR128:$src2, VR128:$src1, |
| VR128:$src3))]>; |
| def m_Int : FMA3<opc, MRMSrcMem, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), |
| [(set VR128:$dst, |
| (IntId VR128:$src2, VR128:$src1, mem_cpat:$src3))]>; |
| } |
| } // Constraints = "$src1 = $dst" |
| |
| multiclass fma3s_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpStr, string PackTy, Intrinsic Int, |
| SDNode OpNode, RegisterClass RC, ValueType OpVT, |
| X86MemOperand x86memop, Operand memop, PatFrag mem_frag, |
| ComplexPattern mem_cpat> { |
| let neverHasSideEffects = 1 in { |
| defm r132 : fma3s_rm<opc132, !strconcat(OpStr, "132", PackTy), |
| x86memop, RC, OpVT, mem_frag>; |
| defm r231 : fma3s_rm<opc231, !strconcat(OpStr, "231", PackTy), |
| x86memop, RC, OpVT, mem_frag>; |
| } |
| |
| defm r213 : fma3s_rm<opc213, !strconcat(OpStr, "213", PackTy), |
| x86memop, RC, OpVT, mem_frag, OpNode>, |
| fma3s_rm_int<opc213, !strconcat(OpStr, "213", PackTy), |
| memop, mem_cpat, Int, RC>; |
| } |
| |
| multiclass fma3s<bits<8> opc132, bits<8> opc213, bits<8> opc231, |
| string OpStr, Intrinsic IntF32, Intrinsic IntF64, |
| SDNode OpNode> { |
| defm SS : fma3s_forms<opc132, opc213, opc231, OpStr, "ss", IntF32, OpNode, |
| FR32, f32, f32mem, ssmem, loadf32, sse_load_f32>; |
| defm SD : fma3s_forms<opc132, opc213, opc231, OpStr, "sd", IntF64, OpNode, |
| FR64, f64, f64mem, sdmem, loadf64, sse_load_f64>, VEX_W; |
| } |
| |
| defm VFMADD : fma3s<0x99, 0xA9, 0xB9, "vfmadd", int_x86_fma_vfmadd_ss, |
| int_x86_fma_vfmadd_sd, X86Fmadd>, VEX_LIG; |
| defm VFMSUB : fma3s<0x9B, 0xAB, 0xBB, "vfmsub", int_x86_fma_vfmsub_ss, |
| int_x86_fma_vfmsub_sd, X86Fmsub>, VEX_LIG; |
| |
| defm VFNMADD : fma3s<0x9D, 0xAD, 0xBD, "vfnmadd", int_x86_fma_vfnmadd_ss, |
| int_x86_fma_vfnmadd_sd, X86Fnmadd>, VEX_LIG; |
| defm VFNMSUB : fma3s<0x9F, 0xAF, 0xBF, "vfnmsub", int_x86_fma_vfnmsub_ss, |
| int_x86_fma_vfnmsub_sd, X86Fnmsub>, VEX_LIG; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // 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> { |
| let isCommutable = 1 in |
| def rr : FMA4<opc, MRMSrcReg, (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:$src3)))]>, VEX_W, MemOp4; |
| def rm : FMA4<opc, MRMSrcMem, (outs RC:$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:$src3)))]>, VEX_W, MemOp4; |
| def mr : FMA4<opc, MRMSrcMem, (outs RC:$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:$src3))]>; |
| // For disassembler |
| let isCodeGenOnly = 1, hasSideEffects = 0 in |
| def rr_REV : FMA4<opc, MRMSrcReg, (outs RC:$dst), |
| (ins RC:$src1, RC:$src2, RC:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>; |
| } |
| |
| multiclass fma4s_int<bits<8> opc, string OpcodeStr, Operand memop, |
| ComplexPattern mem_cpat, Intrinsic Int> { |
| let isCommutable = 1 in |
| def rr_Int : FMA4<opc, MRMSrcReg, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR128:$dst, |
| (Int VR128:$src1, VR128:$src2, VR128:$src3))]>, VEX_W, MemOp4; |
| def rm_Int : FMA4<opc, MRMSrcMem, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, memop:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR128:$dst, (Int VR128:$src1, VR128:$src2, |
| mem_cpat:$src3))]>, VEX_W, MemOp4; |
| def mr_Int : FMA4<opc, MRMSrcMem, (outs VR128:$dst), |
| (ins VR128:$src1, memop:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), |
| [(set VR128:$dst, |
| (Int VR128:$src1, mem_cpat:$src2, VR128:$src3))]>; |
| } |
| |
| multiclass fma4p<bits<8> opc, string OpcodeStr, SDNode OpNode, |
| ValueType OpVT128, ValueType OpVT256, |
| PatFrag ld_frag128, PatFrag ld_frag256> { |
| let isCommutable = 1 in |
| def rr : FMA4<opc, MRMSrcReg, (outs VR128:$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:$src3)))]>, |
| VEX_W, MemOp4; |
| def rm : FMA4<opc, MRMSrcMem, (outs VR128:$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:$src3)))]>, VEX_W, MemOp4; |
| def mr : FMA4<opc, MRMSrcMem, (outs VR128:$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:$src3))]>; |
| let isCommutable = 1 in |
| def rrY : FMA4<opc, MRMSrcReg, (outs VR256:$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:$src3)))]>, |
| VEX_W, MemOp4, VEX_L; |
| def rmY : FMA4<opc, MRMSrcMem, (outs VR256:$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:$src3)))]>, VEX_W, MemOp4, VEX_L; |
| def mrY : FMA4<opc, MRMSrcMem, (outs VR256:$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:$src3))]>, VEX_L; |
| // For disassembler |
| let isCodeGenOnly = 1, hasSideEffects = 0 in { |
| def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst), |
| (ins VR128:$src1, VR128:$src2, VR128:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>; |
| def rrY_REV : FMA4<opc, MRMSrcReg, (outs VR256:$dst), |
| (ins VR256:$src1, VR256:$src2, VR256:$src3), |
| !strconcat(OpcodeStr, |
| "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>, |
| VEX_L; |
| } // isCodeGenOnly = 1 |
| } |
| |
| defm VFMADDSS4 : fma4s<0x6A, "vfmaddss", FR32, f32mem, f32, X86Fmadd, loadf32>, |
| fma4s_int<0x6A, "vfmaddss", ssmem, sse_load_f32, |
| int_x86_fma_vfmadd_ss>; |
| defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd", FR64, f64mem, f64, X86Fmadd, loadf64>, |
| fma4s_int<0x6B, "vfmaddsd", sdmem, sse_load_f64, |
| int_x86_fma_vfmadd_sd>; |
| defm VFMSUBSS4 : fma4s<0x6E, "vfmsubss", FR32, f32mem, f32, X86Fmsub, loadf32>, |
| fma4s_int<0x6E, "vfmsubss", ssmem, sse_load_f32, |
| int_x86_fma_vfmsub_ss>; |
| defm VFMSUBSD4 : fma4s<0x6F, "vfmsubsd", FR64, f64mem, f64, X86Fmsub, loadf64>, |
| fma4s_int<0x6F, "vfmsubsd", sdmem, sse_load_f64, |
| int_x86_fma_vfmsub_sd>; |
| defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", FR32, f32mem, f32, |
| X86Fnmadd, loadf32>, |
| fma4s_int<0x7A, "vfnmaddss", ssmem, sse_load_f32, |
| int_x86_fma_vfnmadd_ss>; |
| defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", FR64, f64mem, f64, |
| X86Fnmadd, loadf64>, |
| fma4s_int<0x7B, "vfnmaddsd", sdmem, sse_load_f64, |
| int_x86_fma_vfnmadd_sd>; |
| defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", FR32, f32mem, f32, |
| X86Fnmsub, loadf32>, |
| fma4s_int<0x7E, "vfnmsubss", ssmem, sse_load_f32, |
| int_x86_fma_vfnmsub_ss>; |
| defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", FR64, f64mem, f64, |
| X86Fnmsub, loadf64>, |
| fma4s_int<0x7F, "vfnmsubsd", sdmem, sse_load_f64, |
| int_x86_fma_vfnmsub_sd>; |
| |
| let ExeDomain = SSEPackedSingle in { |
| defm VFMADDPS4 : fma4p<0x68, "vfmaddps", X86Fmadd, v4f32, v8f32, |
| memopv4f32, memopv8f32>; |
| defm VFMSUBPS4 : fma4p<0x6C, "vfmsubps", X86Fmsub, v4f32, v8f32, |
| memopv4f32, memopv8f32>; |
| defm VFNMADDPS4 : fma4p<0x78, "vfnmaddps", X86Fnmadd, v4f32, v8f32, |
| memopv4f32, memopv8f32>; |
| defm VFNMSUBPS4 : fma4p<0x7C, "vfnmsubps", X86Fnmsub, v4f32, v8f32, |
| memopv4f32, memopv8f32>; |
| defm VFMADDSUBPS4 : fma4p<0x5C, "vfmaddsubps", X86Fmaddsub, v4f32, v8f32, |
| memopv4f32, memopv8f32>; |
| defm VFMSUBADDPS4 : fma4p<0x5E, "vfmsubaddps", X86Fmsubadd, v4f32, v8f32, |
| memopv4f32, memopv8f32>; |
| } |
| |
| let ExeDomain = SSEPackedDouble in { |
| defm VFMADDPD4 : fma4p<0x69, "vfmaddpd", X86Fmadd, v2f64, v4f64, |
| memopv2f64, memopv4f64>; |
| defm VFMSUBPD4 : fma4p<0x6D, "vfmsubpd", X86Fmsub, v2f64, v4f64, |
| memopv2f64, memopv4f64>; |
| defm VFNMADDPD4 : fma4p<0x79, "vfnmaddpd", X86Fnmadd, v2f64, v4f64, |
| memopv2f64, memopv4f64>; |
| defm VFNMSUBPD4 : fma4p<0x7D, "vfnmsubpd", X86Fnmsub, v2f64, v4f64, |
| memopv2f64, memopv4f64>; |
| defm VFMADDSUBPD4 : fma4p<0x5D, "vfmaddsubpd", X86Fmaddsub, v2f64, v4f64, |
| memopv2f64, memopv4f64>; |
| defm VFMSUBADDPD4 : fma4p<0x5F, "vfmsubaddpd", X86Fmsubadd, v2f64, v4f64, |
| memopv2f64, memopv4f64>; |
| } |
| |