|  | //===-- RISCVSchedule.td - RISCV Scheduling Definitions -------*- 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 | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | /// Define scheduler resources associated with def operands. | 
|  | def WriteIALU       : SchedWrite;    // 32 or 64-bit integer ALU operations | 
|  | def WriteIALU32     : SchedWrite;    // 32-bit integer ALU operations on RV64I | 
|  | def WriteShift32    : SchedWrite;    // 32-bit shift operations on RV64Ix | 
|  | def WriteShift      : SchedWrite;    // 32 or 64-bit shift operations | 
|  | def WriteIDiv       : SchedWrite;    // 32-bit or 64-bit divide and remainder | 
|  | def WriteIDiv32     : SchedWrite;    // 32-bit divide and remainder on RV64I | 
|  | def WriteIMul       : SchedWrite;    // 32-bit or 64-bit multiply | 
|  | def WriteIMul32     : SchedWrite;    // 32-bit multiply on RV64I | 
|  | def WriteJmp        : SchedWrite;    // Jump | 
|  | def WriteJal        : SchedWrite;    // Jump and link | 
|  | def WriteJalr       : SchedWrite;    // Jump and link register | 
|  | def WriteJmpReg     : SchedWrite;    // Jump register | 
|  | def WriteNop        : SchedWrite; | 
|  | def WriteLDB        : SchedWrite;    // Load byte | 
|  | def WriteLDH        : SchedWrite;    // Load half-word | 
|  | def WriteLDW        : SchedWrite;    // Load word | 
|  | def WriteLDWU       : SchedWrite;    // Load word unsigned | 
|  | def WriteLDD        : SchedWrite;    // Load double-word | 
|  | def WriteCSR        : SchedWrite;    // CSR instructions | 
|  | def WriteSTB        : SchedWrite;    // Store byte | 
|  | def WriteSTH        : SchedWrite;    // Store half-word | 
|  | def WriteSTW        : SchedWrite;    // Store word | 
|  | def WriteSTD        : SchedWrite;    // Store double-word | 
|  | def WriteAtomicW    : SchedWrite;    //Atomic memory operation word size | 
|  | def WriteAtomicD    : SchedWrite;    //Atomic memory operation double word size | 
|  | def WriteAtomicLDW  : SchedWrite;    // Atomic load word | 
|  | def WriteAtomicLDD  : SchedWrite;    // Atomic load double word | 
|  | def WriteAtomicSTW  : SchedWrite;    // Atomic store word | 
|  | def WriteAtomicSTD  : SchedWrite;    // Atomic store double word | 
|  | def WriteFALU32     : SchedWrite;    // FP 32-bit computation | 
|  | def WriteFALU64     : SchedWrite;    // FP 64-bit computation | 
|  | def WriteFMul32     : SchedWrite;    // 32-bit floating point multiply | 
|  | def WriteFMulAdd32  : SchedWrite;    // 32-bit floating point multiply add | 
|  | def WriteFMulSub32  : SchedWrite;    // 32-bit floating point multiply sub | 
|  | def WriteFMul64     : SchedWrite;    // 64-bit floating point multiply | 
|  | def WriteFMulAdd64  : SchedWrite;      // 64-bit floating point multiply add | 
|  | def WriteFMulSub64  : SchedWrite;    // 64-bit floating point multiply sub | 
|  | def WriteFDiv32     : SchedWrite;    // 32-bit floating point divide | 
|  | def WriteFDiv64     : SchedWrite;    // 64-bit floating point divide | 
|  | def WriteFSqrt32    : SchedWrite;    // 32-bit floating point sqrt | 
|  | def WriteFSqrt64    : SchedWrite;    // 64-bit floating point sqrt | 
|  |  | 
|  | // Integer to float conversions | 
|  | def WriteFCvtI32ToF32  : SchedWrite; | 
|  | def WriteFCvtI32ToF64  : SchedWrite; | 
|  | def WriteFCvtI64ToF32  : SchedWrite;    // RV64I only | 
|  | def WriteFCvtI64ToF64  : SchedWrite;    // RV64I only | 
|  |  | 
|  | //Float to integer conversions | 
|  | def WriteFCvtF32ToI32  : SchedWrite; | 
|  | def WriteFCvtF32ToI64  : SchedWrite;    // RV64I only | 
|  | def WriteFCvtF64ToI32  : SchedWrite; | 
|  | def WriteFCvtF64ToI64  : SchedWrite;    // RV64I only | 
|  |  | 
|  | // Float to float conversions | 
|  | def WriteFCvtF32ToF64  : SchedWrite; | 
|  | def WriteFCvtF64ToF32  : SchedWrite; | 
|  |  | 
|  | def WriteFConv32    : SchedWrite;    // 32-bit floating point convert | 
|  | def WriteFConv64    : SchedWrite;    // 64-bit floating point convert | 
|  | def WriteFClass32   : SchedWrite;    // 32-bit floating point classify | 
|  | def WriteFClass64   : SchedWrite;    // 64-bit floating point classify | 
|  | def WriteFCmp32     : SchedWrite;    // 32-bit floating point compare | 
|  | def WriteFCmp64     : SchedWrite;    // 64-bit floating point compare | 
|  | def WriteFSGNJ32    : SchedWrite;    // 32-bit floating point sign-injection | 
|  | def WriteFSGNJ64    : SchedWrite;    // 64-bit floating point sign-injection | 
|  | def WriteFMinMax32  : SchedWrite;    // 32-bit floating point min or max | 
|  | def WriteFMinMax64  : SchedWrite;    // 64-bit floating point min or max | 
|  |  | 
|  | def WriteFMovF32ToI32     : SchedWrite; | 
|  | def WriteFMovI32ToF32     : SchedWrite; | 
|  | def WriteFMovF64ToI64     : SchedWrite;    // RV64I only | 
|  | def WriteFMovI64ToF64     : SchedWrite;    // RV64I only | 
|  |  | 
|  | def WriteFMov32       : SchedWrite;    // 32-bit floating point move | 
|  | def WriteFMov64       : SchedWrite;    // 64-bit floating point move | 
|  | def WriteFLD32        : SchedWrite;    // Floating point sp load | 
|  | def WriteFLD64        : SchedWrite;    // Floating point dp load | 
|  | def WriteFST32        : SchedWrite;    // Floating point sp store | 
|  | def WriteFST64        : SchedWrite;    // Floating point dp store | 
|  |  | 
|  | /// Define scheduler resources associated with use operands. | 
|  | def ReadJmp         : SchedRead; | 
|  | def ReadJalr        : SchedRead; | 
|  | def ReadCSR         : SchedRead; | 
|  | def ReadMemBase     : SchedRead; | 
|  | def ReadFMemBase    : SchedRead; | 
|  | def ReadStoreData   : SchedRead; | 
|  | def ReadIALU        : SchedRead; | 
|  | def ReadIALU32      : SchedRead;    // 32-bit integer ALU operations on RV64I | 
|  | def ReadShift       : SchedRead; | 
|  | def ReadShift32     : SchedRead;    // 32-bit shift operations on RV64Ix | 
|  | def ReadIDiv        : SchedRead; | 
|  | def ReadIDiv32      : SchedRead; | 
|  | def ReadIMul        : SchedRead; | 
|  | def ReadIMul32      : SchedRead; | 
|  | def ReadAtomicWA    : SchedRead; | 
|  | def ReadAtomicWD    : SchedRead; | 
|  | def ReadAtomicDA    : SchedRead; | 
|  | def ReadAtomicDD    : SchedRead; | 
|  | def ReadAtomicLDW   : SchedRead;    // Atomic load word | 
|  | def ReadAtomicLDD   : SchedRead;    // Atomic load double word | 
|  | def ReadAtomicSTW   : SchedRead;    // Atomic store word | 
|  | def ReadAtomicSTD   : SchedRead;    // Atomic store double word | 
|  | def ReadFALU32      : SchedRead;    // FP 32-bit computation | 
|  | def ReadFALU64      : SchedRead;    // FP 64-bit computation | 
|  | def ReadFMul32      : SchedRead;    // 32-bit floating point multiply | 
|  | def ReadFMulAdd32   : SchedRead;    // 32-bit floating point multiply add | 
|  | def ReadFMulSub32   : SchedRead;    // 32-bit floating point multiply sub | 
|  | def ReadFMul64      : SchedRead;    // 64-bit floating point multiply | 
|  | def ReadFMulAdd64   : SchedRead;    // 64-bit floating point multiply add | 
|  | def ReadFMulSub64   : SchedRead;    // 64-bit floating point multiply sub | 
|  | def ReadFDiv32      : SchedRead;    // 32-bit floating point divide | 
|  | def ReadFDiv64      : SchedRead;    // 64-bit floating point divide | 
|  | def ReadFSqrt32     : SchedRead;    // 32-bit floating point sqrt | 
|  | def ReadFSqrt64     : SchedRead;    // 64-bit floating point sqrt | 
|  | def ReadFCmp32      : SchedRead; | 
|  | def ReadFCmp64      : SchedRead; | 
|  | def ReadFSGNJ32     : SchedRead; | 
|  | def ReadFSGNJ64     : SchedRead; | 
|  | def ReadFMinMax32   : SchedRead; | 
|  | def ReadFMinMax64   : SchedRead; | 
|  | def ReadFCvtF32ToI32     : SchedRead; | 
|  | def ReadFCvtF32ToI64     : SchedRead; | 
|  | def ReadFCvtF64ToI32     : SchedRead; | 
|  | def ReadFCvtF64ToI64     : SchedRead; | 
|  | def ReadFCvtI32ToF32     : SchedRead; | 
|  | def ReadFCvtI32ToF64     : SchedRead; | 
|  | def ReadFCvtI64ToF32     : SchedRead; | 
|  | def ReadFCvtI64ToF64     : SchedRead; | 
|  | def ReadFMovF32ToI32     : SchedRead; | 
|  | def ReadFMovI32ToF32     : SchedRead; | 
|  | def ReadFMovF64ToI64     : SchedRead; | 
|  | def ReadFMovI64ToF64     : SchedRead; | 
|  | def ReadFCvtF32ToF64     : SchedRead; | 
|  | def ReadFCvtF64ToF32     : SchedRead; | 
|  | def ReadFClass32         : SchedRead; | 
|  | def ReadFClass64         : SchedRead; |