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