X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86InstrFMA.td;h=7759a8a2dabbc84499878622244eccef0e97add3;hb=c735c1c2aed2cbaeb61296f4269535b5d13d8b0a;hp=bdf797d5e19a0e78f801597ce11fb1bc56981688;hpb=1b9b377975b3f437acef8c2ba90de582add52f65;p=oota-llvm.git diff --git a/lib/Target/X86/X86InstrFMA.td b/lib/Target/X86/X86InstrFMA.td index bdf797d5e19..7759a8a2dab 100644 --- a/lib/Target/X86/X86InstrFMA.td +++ b/lib/Target/X86/X86InstrFMA.td @@ -1,4 +1,4 @@ -//====- X86InstrFMA.td - Describe the X86 Instruction Set --*- tablegen -*-===// +//===-- X86InstrFMA.td - FMA Instruction Set ---------------*- tablegen -*-===// // // The LLVM Compiler Infrastructure // @@ -15,85 +15,354 @@ // FMA3 - Intel 3 operand Fused Multiply-Add instructions //===----------------------------------------------------------------------===// -multiclass fma_rm opc, string OpcodeStr> { - def r : FMA3; - def m : FMA3; - def rY : FMA3; - def mY : FMA3; -} - -multiclass fma_forms opc132, bits<8> opc213, bits<8> opc231, - string OpcodeStr, string PackTy> { - defm r132 : fma_rm; - defm r213 : fma_rm; - defm r231 : fma_rm; -} - -let isAsmParserOnly = 1 in { - // Fused Multiply-Add - defm VFMADDPS : fma_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps">; - defm VFMADDPD : fma_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd">, VEX_W; - defm VFMADDSUBPS : fma_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps">; - defm VFMADDSUBPD : fma_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd">, VEX_W; - defm VFMSUBADDPS : fma_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps">; - defm VFMSUBADDPD : fma_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd">, VEX_W; - defm VFMSUBPS : fma_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps">; - defm VFMSUBPD : fma_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd">, VEX_W; - - // Fused Negative Multiply-Add - defm VFNMADDPS : fma_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps">; - defm VFNMADDPD : fma_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd">, VEX_W; - defm VFNMSUBPS : fma_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps">; - defm VFNMSUBPD : fma_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd">, VEX_W; +let Constraints = "$src1 = $dst" in { +multiclass fma3p_rm opc, string OpcodeStr, + PatFrag MemFrag128, PatFrag MemFrag256, + ValueType OpVT128, ValueType OpVT256, + SDPatternOperator Op = null_frag> { + let isCommutable = 1 in + def r : FMA3; + + let mayLoad = 1 in + def m : FMA3; + + let isCommutable = 1 in + def rY : FMA3, VEX_L; + + let mayLoad = 1 in + def mY : FMA3, VEX_L; +} +} // Constraints = "$src1 = $dst" + +multiclass fma3p_forms 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; +let neverHasSideEffects = 1 in { + defm r132 : fma3p_rm; + defm r231 : fma3p_rm; +} // 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 = $dst" in { +multiclass fma3s_rm opc, string OpcodeStr, X86MemOperand x86memop, + RegisterClass RC, ValueType OpVT, PatFrag mem_frag, + SDPatternOperator OpNode = null_frag> { + let isCommutable = 1 in + def r : FMA3; + let mayLoad = 1 in + def m : FMA3; +} + +multiclass fma3s_rm_int opc, string OpcodeStr, Operand memop, + ComplexPattern mem_cpat, Intrinsic IntId, + RegisterClass RC> { + let isCommutable = 1 in + def r_Int : FMA3; + def m_Int : FMA3; +} +} // Constraints = "$src1 = $dst" + +multiclass fma3s_forms 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; + defm r231 : fma3s_rm; +} + +defm r213 : fma3s_rm, + fma3s_rm_int; +} + +multiclass fma3s opc132, bits<8> opc213, bits<8> opc231, + string OpStr, Intrinsic IntF32, Intrinsic IntF64, + SDNode OpNode> { + defm SS : fma3s_forms; + defm SD : fma3s_forms, 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 opc, string OpcodeStr> { +multiclass fma4s opc, string OpcodeStr, RegisterClass RC, + X86MemOperand x86memop, ValueType OpVT, SDNode OpNode, + PatFrag mem_frag> { + let isCommutable = 1 in + def rr : FMA4, VEX_W, MemOp4; + def rm : FMA4, VEX_W, MemOp4; + def mr : FMA4; +// For disassembler +let isCodeGenOnly = 1, hasSideEffects = 0 in + def rr_REV : FMA4; +} + +multiclass fma4s_int opc, string OpcodeStr, Operand memop, + ComplexPattern mem_cpat, Intrinsic Int> { + let isCommutable = 1 in + def rr_Int : FMA4, VEX_W, MemOp4; + def rm_Int : FMA4, VEX_W, MemOp4; + def mr_Int : FMA4; +} + +multiclass fma4p opc, string OpcodeStr, SDNode OpNode, + ValueType OpVT128, ValueType OpVT256, + PatFrag ld_frag128, PatFrag ld_frag256> { + let isCommutable = 1 in def rr : FMA4, XOP_W; + "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), + [(set VR128:$dst, + (OpVT128 (OpNode VR128:$src1, VR128:$src2, VR128:$src3)))]>, + VEX_W, MemOp4; def rm : FMA4, XOP_W; + [(set VR128:$dst, (OpNode VR128:$src1, VR128:$src2, + (ld_frag128 addr:$src3)))]>, VEX_W, MemOp4; def mr : FMA4; - + [(set VR128:$dst, + (OpNode VR128:$src1, (ld_frag128 addr:$src2), VR128:$src3))]>; + let isCommutable = 1 in + def rrY : FMA4, + VEX_W, MemOp4, VEX_L; + def rmY : FMA4, VEX_W, MemOp4, VEX_L; + def mrY : FMA4, VEX_L; +// For disassembler +let isCodeGenOnly = 1, hasSideEffects = 0 in { + def rr_REV : FMA4; + def rrY_REV : FMA4, + VEX_L; +} // isCodeGenOnly = 1 } -let isAsmParserOnly = 1 in { - defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd">; +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>; } -// FMA4 Intrinsics patterns +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>; +} -def : Pat<(int_x86_fma4_vfmadd_sd VR128:$src1, VR128:$src2, VR128:$src3), - (VFMADDSD4rr VR128:$src1, VR128:$src2, VR128:$src3)>; -def : Pat<(int_x86_fma4_vfmadd_sd VR128:$src1, VR128:$src2, - (alignedloadv2f64 addr:$src3)), - (VFMADDSD4rm VR128:$src1, VR128:$src2, addr:$src3)>; -def : Pat<(int_x86_fma4_vfmadd_sd VR128:$src1, (alignedloadv2f64 addr:$src2), - VR128:$src3), - (VFMADDSD4mr VR128:$src1, addr:$src2, VR128:$src3)>;