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llvm-mirror/lib/Target/RISCV/RISCVScheduleB.td

90 lines
2.7 KiB
TableGen

//===-- RISCVScheduleB.td - RISCV Scheduling Definitions B -*- 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.
// Zba extension
def WriteSHXADD : SchedWrite; // sh1add/sh2add/sh3add
def WriteSHXADD32 : SchedWrite; // sh1add.uw/sh2add.uw/sh3add.uw
// Zbb extension
def WriteRotateImm : SchedWrite;
def WriteRotateImm32 : SchedWrite;
def WriteRotateReg : SchedWrite;
def WriteRotateReg32 : SchedWrite;
def WriteCLZ : SchedWrite;
def WriteCLZ32 : SchedWrite;
def WriteCTZ : SchedWrite;
def WriteCTZ32 : SchedWrite;
def WriteCPOP : SchedWrite;
def WriteCPOP32 : SchedWrite;
def WriteREV8 : SchedWrite;
def WriteORCB : SchedWrite;
/// Define scheduler resources associated with use operands.
// Zba extension
def ReadSHXADD : SchedRead; // sh1add/sh2add/sh3add
def ReadSHXADD32 : SchedRead; // sh1add.uw/sh2add.uw/sh3add.uw
// Zbb extension
def ReadRotateImm : SchedRead;
def ReadRotateImm32 : SchedRead;
def ReadRotateReg : SchedRead;
def ReadRotateReg32 : SchedRead;
def ReadCLZ : SchedRead;
def ReadCLZ32 : SchedRead;
def ReadCTZ : SchedRead;
def ReadCTZ32 : SchedRead;
def ReadCPOP : SchedRead;
def ReadCPOP32 : SchedRead;
def ReadREV8 : SchedRead;
def ReadORCB : SchedRead;
/// Define default scheduler resources for B.
multiclass UnsupportedSchedZba {
let Unsupported = true in {
def : WriteRes<WriteSHXADD, []>;
def : WriteRes<WriteSHXADD32, []>;
def : ReadAdvance<ReadSHXADD, 0>;
def : ReadAdvance<ReadSHXADD32, 0>;
}
}
multiclass UnsupportedSchedZbb {
let Unsupported = true in {
def : WriteRes<WriteRotateImm, []>;
def : WriteRes<WriteRotateImm32, []>;
def : WriteRes<WriteRotateReg, []>;
def : WriteRes<WriteRotateReg32, []>;
def : WriteRes<WriteCLZ, []>;
def : WriteRes<WriteCLZ32, []>;
def : WriteRes<WriteCTZ, []>;
def : WriteRes<WriteCTZ32, []>;
def : WriteRes<WriteCPOP, []>;
def : WriteRes<WriteCPOP32, []>;
def : WriteRes<WriteREV8, []>;
def : WriteRes<WriteORCB, []>;
def : ReadAdvance<ReadRotateImm, 0>;
def : ReadAdvance<ReadRotateImm32, 0>;
def : ReadAdvance<ReadRotateReg, 0>;
def : ReadAdvance<ReadRotateReg32, 0>;
def : ReadAdvance<ReadCLZ, 0>;
def : ReadAdvance<ReadCLZ32, 0>;
def : ReadAdvance<ReadCTZ, 0>;
def : ReadAdvance<ReadCTZ32, 0>;
def : ReadAdvance<ReadCPOP, 0>;
def : ReadAdvance<ReadCPOP32, 0>;
def : ReadAdvance<ReadREV8, 0>;
def : ReadAdvance<ReadORCB, 0>;
}
}