81 lines
2.9 KiB
TableGen
81 lines
2.9 KiB
TableGen
//===- NVPTX.td - Describe the NVPTX Target Machine -----------*- tblgen -*-==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// This is the top level entry point for the NVPTX target.
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Target-independent interfaces
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//===----------------------------------------------------------------------===//
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include "llvm/Target/Target.td"
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include "NVPTXRegisterInfo.td"
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include "NVPTXInstrInfo.td"
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//===----------------------------------------------------------------------===//
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// Subtarget Features.
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// - We use the SM version number instead of explicit feature table.
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// - Need at least one feature to avoid generating zero sized array by
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// TableGen in NVPTXGenSubtarget.inc.
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//===----------------------------------------------------------------------===//
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class FeatureSM<string sm, int value>:
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SubtargetFeature<"sm_"# sm, "FullSmVersion",
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"" # value,
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"Target SM " # sm>;
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class FeaturePTX<int version>:
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SubtargetFeature<"ptx"# version, "PTXVersion",
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"" # version,
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"Use PTX version " # version>;
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foreach sm = [20, 21, 30, 32, 35, 37, 50, 52, 53,
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60, 61, 62, 70, 72, 75, 80, 86, 87, 89, 90] in
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def SM#sm: FeatureSM<""#sm, !mul(sm, 10)>;
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def SM90a: FeatureSM<"90a", 901>;
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foreach version = [32, 40, 41, 42, 43, 50, 60, 61, 63, 64, 65,
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70, 71, 72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 83] in
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def PTX#version: FeaturePTX<version>;
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//===----------------------------------------------------------------------===//
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// NVPTX supported processors.
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//===----------------------------------------------------------------------===//
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class Proc<string Name, list<SubtargetFeature> Features>
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: Processor<Name, NoItineraries, Features>;
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def : Proc<"sm_20", [SM20, PTX32]>;
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def : Proc<"sm_21", [SM21, PTX32]>;
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def : Proc<"sm_30", [SM30]>;
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def : Proc<"sm_32", [SM32, PTX40]>;
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def : Proc<"sm_35", [SM35, PTX32]>;
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def : Proc<"sm_37", [SM37, PTX41]>;
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def : Proc<"sm_50", [SM50, PTX40]>;
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def : Proc<"sm_52", [SM52, PTX41]>;
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def : Proc<"sm_53", [SM53, PTX42]>;
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def : Proc<"sm_60", [SM60, PTX50]>;
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def : Proc<"sm_61", [SM61, PTX50]>;
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def : Proc<"sm_62", [SM62, PTX50]>;
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def : Proc<"sm_70", [SM70, PTX60]>;
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def : Proc<"sm_72", [SM72, PTX61]>;
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def : Proc<"sm_75", [SM75, PTX63]>;
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def : Proc<"sm_80", [SM80, PTX70]>;
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def : Proc<"sm_86", [SM86, PTX71]>;
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def : Proc<"sm_87", [SM87, PTX74]>;
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def : Proc<"sm_89", [SM89, PTX78]>;
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def : Proc<"sm_90", [SM90, PTX78]>;
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def : Proc<"sm_90a", [SM90a, PTX80]>;
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def NVPTXInstrInfo : InstrInfo {
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}
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def NVPTX : Target {
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let InstructionSet = NVPTXInstrInfo;
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}
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