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llvm-mirror/lib/Target/RISCV/RISCVSchedule.td
Evandro Menezes 0c8a79e78d [RISCV] Add scheduling resources for V
Add the scheduling resources for the V extension instructions.

Differential Revision: https://reviews.llvm.org/D98002

(cherry picked from commit 63a5ac4e0d969f41bf71785cc3979349a45a2892)
2021-08-10 23:11:38 -07:00

234 lines
11 KiB
TableGen

//===-- 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 WriteShiftImm : SchedWrite; // 32 or 64-bit shift by immediate operations
def WriteShiftImm32 : SchedWrite; // 32-bit shift by immediate operations on RV64Ix
def WriteShiftReg : SchedWrite; // 32 or 64-bit shift by immediate operations
def WriteShiftReg32 : SchedWrite; // 32-bit shift by immediate operations on RV64Ix
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 WriteFALU16 : SchedWrite; // FP 16-bit computation
def WriteFALU32 : SchedWrite; // FP 32-bit computation
def WriteFALU64 : SchedWrite; // FP 64-bit computation
def WriteFMul16 : SchedWrite; // 16-bit floating point multiply
def WriteFMA16 : SchedWrite; // 16-bit floating point fused multiply-add
def WriteFMul32 : SchedWrite; // 32-bit floating point multiply
def WriteFMA32 : SchedWrite; // 32-bit floating point fused multiply-add
def WriteFMul64 : SchedWrite; // 64-bit floating point multiply
def WriteFMA64 : SchedWrite; // 64-bit floating point fused multiply-add
def WriteFDiv16 : SchedWrite; // 16-bit floating point divide
def WriteFDiv32 : SchedWrite; // 32-bit floating point divide
def WriteFDiv64 : SchedWrite; // 64-bit floating point divide
def WriteFSqrt16 : SchedWrite; // 16-bit floating point sqrt
def WriteFSqrt32 : SchedWrite; // 32-bit floating point sqrt
def WriteFSqrt64 : SchedWrite; // 64-bit floating point sqrt
// Integer to float conversions
def WriteFCvtI32ToF16 : SchedWrite;
def WriteFCvtI32ToF32 : SchedWrite;
def WriteFCvtI32ToF64 : SchedWrite;
def WriteFCvtI64ToF16 : SchedWrite; // RV64I only
def WriteFCvtI64ToF32 : SchedWrite; // RV64I only
def WriteFCvtI64ToF64 : SchedWrite; // RV64I only
//Float to integer conversions
def WriteFCvtF16ToI32 : SchedWrite;
def WriteFCvtF16ToI64 : SchedWrite; // RV64I only
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 WriteFCvtF16ToF32 : SchedWrite;
def WriteFCvtF32ToF16 : SchedWrite;
def WriteFCvtF16ToF64 : SchedWrite;
def WriteFCvtF64ToF16 : SchedWrite;
def WriteFClass16 : SchedWrite; // 16-bit floating point classify
def WriteFClass32 : SchedWrite; // 32-bit floating point classify
def WriteFClass64 : SchedWrite; // 64-bit floating point classify
def WriteFCmp16 : SchedWrite; // 16-bit floating point compare
def WriteFCmp32 : SchedWrite; // 32-bit floating point compare
def WriteFCmp64 : SchedWrite; // 64-bit floating point compare
def WriteFSGNJ16 : SchedWrite; // 16-bit floating point sign-injection
def WriteFSGNJ32 : SchedWrite; // 32-bit floating point sign-injection
def WriteFSGNJ64 : SchedWrite; // 64-bit floating point sign-injection
def WriteFMinMax16 : SchedWrite; // 16-bit floating point min or max
def WriteFMinMax32 : SchedWrite; // 32-bit floating point min or max
def WriteFMinMax64 : SchedWrite; // 64-bit floating point min or max
def WriteFMovF16ToI16 : SchedWrite;
def WriteFMovI16ToF16 : SchedWrite;
def WriteFMovF32ToI32 : SchedWrite;
def WriteFMovI32ToF32 : SchedWrite;
def WriteFMovF64ToI64 : SchedWrite; // RV64I only
def WriteFMovI64ToF64 : SchedWrite; // RV64I only
def WriteFLD16 : SchedWrite; // Floating point sp load
def WriteFLD32 : SchedWrite; // Floating point sp load
def WriteFLD64 : SchedWrite; // Floating point dp load
def WriteFST16 : SchedWrite; // Floating point sp store
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 ReadShiftImm : SchedRead;
def ReadShiftImm32 : SchedRead; // 32-bit shift by immediate operations on RV64Ix
def ReadShiftReg : SchedRead;
def ReadShiftReg32 : SchedRead; // 32-bit shift by register 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 ReadFALU16 : SchedRead; // FP 16-bit computation
def ReadFALU32 : SchedRead; // FP 32-bit computation
def ReadFALU64 : SchedRead; // FP 64-bit computation
def ReadFMul16 : SchedRead; // 16-bit floating point multiply
def ReadFMA16 : SchedRead; // 16-bit floating point fused multiply-add
def ReadFMul32 : SchedRead; // 32-bit floating point multiply
def ReadFMA32 : SchedRead; // 32-bit floating point fused multiply-add
def ReadFMul64 : SchedRead; // 64-bit floating point multiply
def ReadFMA64 : SchedRead; // 64-bit floating point fused multiply-add
def ReadFDiv16 : SchedRead; // 16-bit floating point divide
def ReadFDiv32 : SchedRead; // 32-bit floating point divide
def ReadFDiv64 : SchedRead; // 64-bit floating point divide
def ReadFSqrt16 : SchedRead; // 16-bit floating point sqrt
def ReadFSqrt32 : SchedRead; // 32-bit floating point sqrt
def ReadFSqrt64 : SchedRead; // 64-bit floating point sqrt
def ReadFCmp16 : SchedRead;
def ReadFCmp32 : SchedRead;
def ReadFCmp64 : SchedRead;
def ReadFSGNJ16 : SchedRead;
def ReadFSGNJ32 : SchedRead;
def ReadFSGNJ64 : SchedRead;
def ReadFMinMax16 : SchedRead;
def ReadFMinMax32 : SchedRead;
def ReadFMinMax64 : SchedRead;
def ReadFCvtF16ToI32 : SchedRead;
def ReadFCvtF16ToI64 : SchedRead;
def ReadFCvtF32ToI32 : SchedRead;
def ReadFCvtF32ToI64 : SchedRead;
def ReadFCvtF64ToI32 : SchedRead;
def ReadFCvtF64ToI64 : SchedRead;
def ReadFCvtI32ToF16 : SchedRead;
def ReadFCvtI32ToF32 : SchedRead;
def ReadFCvtI32ToF64 : SchedRead;
def ReadFCvtI64ToF16 : SchedRead;
def ReadFCvtI64ToF32 : SchedRead;
def ReadFCvtI64ToF64 : SchedRead;
def ReadFMovF16ToI16 : SchedRead;
def ReadFMovI16ToF16 : SchedRead;
def ReadFMovF32ToI32 : SchedRead;
def ReadFMovI32ToF32 : SchedRead;
def ReadFMovF64ToI64 : SchedRead;
def ReadFMovI64ToF64 : SchedRead;
def ReadFCvtF32ToF64 : SchedRead;
def ReadFCvtF64ToF32 : SchedRead;
def ReadFCvtF16ToF32 : SchedRead;
def ReadFCvtF32ToF16 : SchedRead;
def ReadFCvtF16ToF64 : SchedRead;
def ReadFCvtF64ToF16 : SchedRead;
def ReadFClass16 : SchedRead;
def ReadFClass32 : SchedRead;
def ReadFClass64 : SchedRead;
multiclass UnsupportedSchedZfh {
let Unsupported = true in {
def : WriteRes<WriteFALU16, []>;
def : WriteRes<WriteFClass16, []>;
def : WriteRes<WriteFCvtF16ToF64, []>;
def : WriteRes<WriteFCvtF64ToF16, []>;
def : WriteRes<WriteFCvtI64ToF16, []>;
def : WriteRes<WriteFCvtF32ToF16, []>;
def : WriteRes<WriteFCvtI32ToF16, []>;
def : WriteRes<WriteFCvtF16ToI64, []>;
def : WriteRes<WriteFCvtF16ToF32, []>;
def : WriteRes<WriteFCvtF16ToI32, []>;
def : WriteRes<WriteFDiv16, []>;
def : WriteRes<WriteFCmp16, []>;
def : WriteRes<WriteFLD16, []>;
def : WriteRes<WriteFMA16, []>;
def : WriteRes<WriteFMinMax16, []>;
def : WriteRes<WriteFMul16, []>;
def : WriteRes<WriteFMovI16ToF16, []>;
def : WriteRes<WriteFMovF16ToI16, []>;
def : WriteRes<WriteFSGNJ16, []>;
def : WriteRes<WriteFST16, []>;
def : WriteRes<WriteFSqrt16, []>;
def : ReadAdvance<ReadFALU16, 0>;
def : ReadAdvance<ReadFClass16, 0>;
def : ReadAdvance<ReadFCvtF16ToF64, 0>;
def : ReadAdvance<ReadFCvtF64ToF16, 0>;
def : ReadAdvance<ReadFCvtI64ToF16, 0>;
def : ReadAdvance<ReadFCvtF32ToF16, 0>;
def : ReadAdvance<ReadFCvtI32ToF16, 0>;
def : ReadAdvance<ReadFCvtF16ToI64, 0>;
def : ReadAdvance<ReadFCvtF16ToF32, 0>;
def : ReadAdvance<ReadFCvtF16ToI32, 0>;
def : ReadAdvance<ReadFDiv16, 0>;
def : ReadAdvance<ReadFCmp16, 0>;
def : ReadAdvance<ReadFMA16, 0>;
def : ReadAdvance<ReadFMinMax16, 0>;
def : ReadAdvance<ReadFMul16, 0>;
def : ReadAdvance<ReadFMovI16ToF16, 0>;
def : ReadAdvance<ReadFMovF16ToI16, 0>;
def : ReadAdvance<ReadFSGNJ16, 0>;
def : ReadAdvance<ReadFSqrt16, 0>;
} // Unsupported = true
}
// Include the scheduler resources for other instruction extensions.
include "RISCVScheduleB.td"
include "RISCVScheduleV.td"