| //===- AlphaSchedule.td - Alpha Scheduling Definitions -----*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by Andrew Lenharth and 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 24 Instruction Class Latency in Cycles |
| //modified some |
| |
| def Alpha21264Itineraries : ProcessorItineraries<[ |
| 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]>]> |
| ]>; |
