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86 lines
3.0 KiB
TableGen
86 lines
3.0 KiB
TableGen
//===- AlphaSchedule.td - Alpha Scheduling Definitions -----*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//This is table 2-2 from the 21264 compiler writers guide
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//modified some
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//Pipelines
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def L0 : FuncUnit;
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def L1 : FuncUnit;
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def FST0 : FuncUnit;
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def FST1 : FuncUnit;
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def U0 : FuncUnit;
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def U1 : FuncUnit;
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def FA : FuncUnit;
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def FM : FuncUnit;
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def s_ild : InstrItinClass;
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def s_fld : InstrItinClass;
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def s_ist : InstrItinClass;
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def s_fst : InstrItinClass;
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def s_lda : InstrItinClass;
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def s_rpcc : InstrItinClass;
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def s_rx : InstrItinClass;
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def s_mxpr : InstrItinClass;
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def s_icbr : InstrItinClass;
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def s_ubr : InstrItinClass;
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def s_jsr : InstrItinClass;
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def s_iadd : InstrItinClass;
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def s_ilog : InstrItinClass;
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def s_ishf : InstrItinClass;
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def s_cmov : InstrItinClass;
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def s_imul : InstrItinClass;
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def s_imisc : InstrItinClass;
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def s_fbr : InstrItinClass;
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def s_fadd : InstrItinClass;
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def s_fmul : InstrItinClass;
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def s_fcmov : InstrItinClass;
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def s_fdivt : InstrItinClass;
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def s_fdivs : InstrItinClass;
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def s_fsqrts: InstrItinClass;
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def s_fsqrtt: InstrItinClass;
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def s_ftoi : InstrItinClass;
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def s_itof : InstrItinClass;
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def s_pseudo : InstrItinClass;
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//Table 2-4 Instruction Class Latency in Cycles
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//modified some
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def Alpha21264Itineraries : ProcessorItineraries<
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[L0, L1, FST0, FST1, U0, U1, FA, FM], [], [
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InstrItinData<s_ild , [InstrStage<3, [L0, L1]>]>,
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InstrItinData<s_fld , [InstrStage<4, [L0, L1]>]>,
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InstrItinData<s_ist , [InstrStage<0, [L0, L1]>]>,
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InstrItinData<s_fst , [InstrStage<0, [FST0, FST1, L0, L1]>]>,
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InstrItinData<s_lda , [InstrStage<1, [L0, L1, U0, U1]>]>,
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InstrItinData<s_rpcc , [InstrStage<1, [L1]>]>,
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InstrItinData<s_rx , [InstrStage<1, [L1]>]>,
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InstrItinData<s_mxpr , [InstrStage<1, [L0, L1]>]>,
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InstrItinData<s_icbr , [InstrStage<0, [U0, U1]>]>,
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InstrItinData<s_ubr , [InstrStage<3, [U0, U1]>]>,
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InstrItinData<s_jsr , [InstrStage<3, [L0]>]>,
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InstrItinData<s_iadd , [InstrStage<1, [L0, U0, L1, U1]>]>,
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InstrItinData<s_ilog , [InstrStage<1, [L0, U0, L1, U1]>]>,
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InstrItinData<s_ishf , [InstrStage<1, [U0, U1]>]>,
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InstrItinData<s_cmov , [InstrStage<1, [L0, U0, L1, U1]>]>,
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InstrItinData<s_imul , [InstrStage<7, [U1]>]>,
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InstrItinData<s_imisc , [InstrStage<3, [U0]>]>,
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InstrItinData<s_fbr , [InstrStage<0, [FA]>]>,
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InstrItinData<s_fadd , [InstrStage<6, [FA]>]>,
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InstrItinData<s_fmul , [InstrStage<6, [FM]>]>,
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InstrItinData<s_fcmov , [InstrStage<6, [FA]>]>,
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InstrItinData<s_fdivs , [InstrStage<12, [FA]>]>,
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InstrItinData<s_fdivt , [InstrStage<15, [FA]>]>,
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InstrItinData<s_fsqrts , [InstrStage<18, [FA]>]>,
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InstrItinData<s_fsqrtt , [InstrStage<33, [FA]>]>,
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InstrItinData<s_ftoi , [InstrStage<3, [FST0, FST1, L0, L1]>]>,
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InstrItinData<s_itof , [InstrStage<4, [L0, L1]>]>
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]>;
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