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99 lines
2.8 KiB
TableGen
99 lines
2.8 KiB
TableGen
//===-- LeonFeatures.td - Describe the Leon Features -------*- tablegen -*-===//
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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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//
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// UMAC and SMAC support for LEON3 and LEON4 processors.
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//===----------------------------------------------------------------------===//
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//support to casa instruction; for leon3 subtarget only
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def UMACSMACSupport : SubtargetFeature<
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"hasumacsmac",
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"HasUmacSmac",
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"true",
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"Enable UMAC and SMAC for LEON3 and LEON4 processors"
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>;
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//===----------------------------------------------------------------------===//
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// CASA Support differs between LEON3-FT GR712RC and LEON3-FT UT699
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// We need to have the option to switch this on and off.
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//===----------------------------------------------------------------------===//
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//support to casa instruction; for leon3 subtarget only
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def LeonCASA : SubtargetFeature<
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"hasleoncasa",
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"HasLeonCasa",
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"true",
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"Enable CASA instruction for LEON3 and LEON4 processors"
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>;
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def InsertNOPLoad: SubtargetFeature<
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"insertnopload",
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"InsertNOPLoad",
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"true",
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"LEON3 erratum fix: Insert a NOP instruction after every single-cycle load instruction when the next instruction is another load/store instruction"
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>;
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def DetectRoundChange : SubtargetFeature<
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"detectroundchange",
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"DetectRoundChange",
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"true",
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"LEON3 erratum detection: Detects any rounding mode change "
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"request: use only the round-to-nearest rounding mode"
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>;
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def FixAllFDIVSQRT : SubtargetFeature<
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"fixallfdivsqrt",
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"FixAllFDIVSQRT",
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"true",
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"LEON erratum fix: Fix FDIVS/FDIVD/FSQRTS/FSQRTD instructions with NOPs and floating-point store"
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>;
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def LeonCycleCounter
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: SubtargetFeature<"leoncyclecounter", "HasLeonCycleCounter", "true",
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"Use the Leon cycle counter register">;
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def FixTN0009 : SubtargetFeature<
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"fix-tn0009",
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"FixTN0009",
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"true",
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"Enable workaround for errata described in GRLIB-TN-0009"
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>;
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def FixTN0010 : SubtargetFeature<
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"fix-tn0010",
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"FixTN0010",
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"true",
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"Enable workaround for errata described in GRLIB-TN-0010"
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>;
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def FixTN0011 : SubtargetFeature<
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"fix-tn0011",
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"FixTN0011",
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"true",
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"Enable workaround for errata described in GRLIB-TN-0011"
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>;
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def FixTN0012 : SubtargetFeature<
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"fix-tn0012",
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"FixTN0012",
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"true",
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"Enable workaround for errata described in GRLIB-TN-0012"
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>;
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def FixTN0013 : SubtargetFeature<
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"fix-tn0013",
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"FixTN0013",
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"true",
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"Enable workaround for errata described in GRLIB-TN-0013"
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>;
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