================ @@ -0,0 +1,168 @@ +//===-- RISCVInstrInfoF.td - RISC-V 'Q' instructions -------*- 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 the RISC-V instructions from the standard 'Q', +// Quad-Precision Floating-Point instruction set extension. +// +//===----------------------------------------------------------------------===// + +//===----------------------------------------------------------------------===// +// Operand and SDNode transformation definitions. +//===----------------------------------------------------------------------===// + +def QExt : ExtInfo<"", "", [HasStdExtQ], f128, FPR128, FPR32, FPR64, ?, FPR128>; + +defvar QExts = [QExt]; +defvar QExtsRV64 = [QExt]; + +//===----------------------------------------------------------------------===// +// Instructions +//===----------------------------------------------------------------------===// + +let Predicates = [HasStdExtQ] in { + def FLQ : FPLoad_r<0b100, "flq", FPR128, WriteFLD128>; + + // Operands for stores are in the order srcreg, base, offset rather than + // reflecting the order these fields are specified in the instruction + // encoding. + def FSQ : FPStore_r<0b100, "fsq", FPR128, WriteFST128>; +} + +foreach Ext = QExts in { + let SchedRW = [WriteFMA128, ReadFMA128, ReadFMA128, ReadFMA128Addend] in { + defm FMADD_Q : FPFMA_rrr_frm_m<OPC_MADD, 0b11, "fmadd.q", Ext>; + defm FMSUB_Q : FPFMA_rrr_frm_m<OPC_MSUB, 0b11, "fmsub.q", Ext>; + defm FNMSUB_Q : FPFMA_rrr_frm_m<OPC_NMSUB, 0b11, "fnmsub.q", Ext>; + defm FNMADD_Q : FPFMA_rrr_frm_m<OPC_NMADD, 0b11, "fnmadd.q", Ext>; + } + + let SchedRW = [WriteFAdd128, ReadFAdd128, ReadFAdd128] in { + defm FADD_Q : FPALU_rr_frm_m<0b0000011, "fadd.q", Ext>; + defm FSUB_Q : FPALU_rr_frm_m<0b0000111, "fsub.q", Ext>; + } + + let SchedRW = [WriteFMul128, ReadFMul128, ReadFMul128] in + defm FMUL_Q : FPALU_rr_frm_m<0b0001011, "fmul.q", Ext>; + + let SchedRW = [WriteFDiv128, ReadFDiv128, ReadFDiv128] in + defm FDIV_Q : FPALU_rr_frm_m<0b0001111, "fdiv.q", Ext>; + + defm FSQRT_Q : FPUnaryOp_r_frm_m<0b0101111, 0b00000, Ext, Ext.PrimaryTy, + Ext.PrimaryTy, "fsqrt.q">, + Sched<[WriteFSqrt128, ReadFSqrt128]>; + + let SchedRW = [WriteFSGNJ128, ReadFSGNJ128, ReadFSGNJ128], + mayRaiseFPException = 0 in { + defm FSGNJ_Q : FPALU_rr_m<0b0010011, 0b000, "fsgnj.q", Ext>; + defm FSGNJN_Q : FPALU_rr_m<0b0010011, 0b001, "fsgnjn.q", Ext>; + defm FSGNJX_Q : FPALU_rr_m<0b0010011, 0b010, "fsgnjx.q", Ext>; + } + + let SchedRW = [WriteFMinMax128, ReadFMinMax128, ReadFMinMax128] in { + defm FMIN_Q : FPALU_rr_m<0b0010111, 0b000, "fmin.q", Ext, Commutable = 1>; + defm FMAX_Q : FPALU_rr_m<0b0010111, 0b001, "fmax.q", Ext, Commutable = 1>; + } + + defm FCVT_S_Q : FPUnaryOp_r_frm_m<0b0100000, 0b00011, Ext, Ext.F32Ty, + Ext.PrimaryTy, "fcvt.s.q">, + Sched<[WriteFCvtF128ToF32, ReadFCvtF128ToF32]>; + + defm FCVT_Q_S : FPUnaryOp_r_frmlegacy_m<0b0100011, 0b00000, Ext, + Ext.PrimaryTy, Ext.F32Ty, "fcvt.q.s">, + Sched<[WriteFCvtF32ToF128, ReadFCvtF32ToF128]>; + + defm FCVT_D_Q : FPUnaryOp_r_frm_m<0b0100001, 0b00011, Ext, Ext.F64Ty, + Ext.PrimaryTy, "fcvt.d.q">, + Sched<[WriteFCvtF128ToF64, ReadFCvtF128ToF64]>; + + defm FCVT_Q_D : FPUnaryOp_r_frmlegacy_m<0b0100011, 0b00001, Ext, + Ext.PrimaryTy, Ext.F64Ty, "fcvt.q.d">, + Sched<[WriteFCvtF64ToF128, ReadFCvtF64ToF128]>; + + let SchedRW = [WriteFCmp128, ReadFCmp128, ReadFCmp128] in { + defm FEQ_Q : FPCmp_rr_m<0b1010011, 0b010, "feq.q", Ext, Commutable = 1>; + defm FLT_Q : FPCmp_rr_m<0b1010011, 0b001, "flt.q", Ext>; + defm FLE_Q : FPCmp_rr_m<0b1010011, 0b000, "fle.q", Ext>; + } + + let mayRaiseFPException = 0 in + defm FCLASS_Q : FPUnaryOp_r_m<0b1110011, 0b00000, 0b001, Ext, GPR, + Ext.PrimaryTy, "fclass.q">, + Sched<[WriteFClass128, ReadFClass128]>; + + let IsSignExtendingOpW = 1 in + defm FCVT_W_Q : FPUnaryOp_r_frm_m<0b1100011, 0b00000, Ext, GPR, + Ext.PrimaryTy, "fcvt.w.q">, + Sched<[WriteFCvtF128ToI32, ReadFCvtF128ToI32]>; + + let IsSignExtendingOpW = 1 in + defm FCVT_WU_Q : FPUnaryOp_r_frm_m<0b1100011, 0b00001, Ext, GPR, + Ext.PrimaryTy, "fcvt.wu.q">, + Sched<[WriteFCvtF128ToI32, ReadFCvtF128ToI32]>; + + let mayRaiseFPException = 0 in + defm FCVT_Q_W : FPUnaryOp_r_frm_m<0b1101011, 0b00000, Ext, + Ext.PrimaryTy, GPR, "fcvt.q.w">, + Sched<[WriteFCvtI32ToF128, ReadFCvtI32ToF128]>; + + let mayRaiseFPException = 0 in + defm FCVT_Q_WU : FPUnaryOp_r_frm_m<0b1101011, 0b00001, Ext, + Ext.PrimaryTy, GPR, "fcvt.q.wu">, + Sched<[WriteFCvtI32ToF128, ReadFCvtI32ToF128]>; + +} // foreach Ext = QExts + +foreach Ext = QExtsRV64 in { + defm FCVT_L_Q : FPUnaryOp_r_frm_m<0b1100011, 0b00010, Ext, GPR, Ext.PrimaryTy, + "fcvt.l.q", [IsRV64]>, + Sched<[WriteFCvtF128ToI64, ReadFCvtF128ToI64]>; + + defm FCVT_LU_Q : FPUnaryOp_r_frm_m<0b1100011, 0b00011, Ext, GPR, + Ext.PrimaryTy, "fcvt.lu.q", [IsRV64]>, + Sched<[WriteFCvtF128ToI64, ReadFCvtF128ToI64]>; + + let mayRaiseFPException = 0 in + defm FCVT_Q_L : FPUnaryOp_r_frm_m<0b1101011, 0b00010, Ext, Ext.PrimaryTy, + GPR, "fcvt.q.l", [IsRV64]>, + Sched<[WriteFCvtI64ToF128, ReadFCvtI64ToF128]>; + + let mayRaiseFPException = 0 in + defm FCVT_Q_LU : FPUnaryOp_r_frm_m<0b1101011, 0b00011, Ext, Ext.PrimaryTy, + GPR, "fcvt.q.lu", [IsRV64]>, + Sched<[WriteFCvtI64ToF128, ReadFCvtI64ToF128]>; +} // foreach Ext = QExtsRV64 + +//===----------------------------------------------------------------------===// +// Assembler Pseudo Instructions (User-Level ISA, Version 2.2, Chapter 20) +//===----------------------------------------------------------------------===// + +let Predicates = [HasStdExtQ] in { + def : InstAlias<"flq $rd, (${rs1})", (FLQ FPR128:$rd, GPR:$rs1, 0), 0>; + def : InstAlias<"fsq $rs2, (${rs1})", (FSQ FPR128:$rs2, GPR:$rs1, 0), 0>; + + def : InstAlias<"fmv.q $rd, $rs", (FSGNJ_Q FPR128:$rd, FPR128:$rs, + FPR128:$rs)>; + def : InstAlias<"fabs.q $rd, $rs", (FSGNJX_Q FPR128:$rd, FPR128:$rs, + FPR128:$rs)>; + def : InstAlias<"fneg.q $rd, $rs", (FSGNJN_Q FPR128:$rd, FPR128:$rs, + FPR128:$rs)>; + + // fgt.q/fge.q are recognised by the GNU assembler but the canonical + // flt.q/fle.q forms will always be printed. Therefore, set a zero weight. + def : InstAlias<"fgt.q $rd, $rs, $rt", + (FLT_Q GPR:$rd, FPR128:$rt, FPR128:$rs), 0>; + def : InstAlias<"fge.q $rd, $rs, $rt", + (FLE_Q GPR:$rd, FPR128:$rt, FPR128:$rs), 0>; + + def PseudoFLQ : PseudoFloatLoad<"flq", FPR128>; + def PseudoFSQ : PseudoStore<"fsq", FPR128>; + let usesCustomInserter = 1 in { ---------------- topperc wrote:
I think `PseudoQuietFCMP` is for CodeGen, not the assembler. https://github.com/llvm/llvm-project/pull/139369 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
