1 //===- AlphaSchedule.td - Alpha Scheduling Definitions -----*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //This is table 2-2 from the 21264 compiler writers guide
24 def s_ild : InstrItinClass;
25 def s_fld : InstrItinClass;
26 def s_ist : InstrItinClass;
27 def s_fst : InstrItinClass;
28 def s_lda : InstrItinClass;
29 def s_rpcc : InstrItinClass;
30 def s_rx : InstrItinClass;
31 def s_mxpr : InstrItinClass;
32 def s_icbr : InstrItinClass;
33 def s_ubr : InstrItinClass;
34 def s_jsr : InstrItinClass;
35 def s_iadd : InstrItinClass;
36 def s_ilog : InstrItinClass;
37 def s_ishf : InstrItinClass;
38 def s_cmov : InstrItinClass;
39 def s_imul : InstrItinClass;
40 def s_imisc : InstrItinClass;
41 def s_fbr : InstrItinClass;
42 def s_fadd : InstrItinClass;
43 def s_fmul : InstrItinClass;
44 def s_fcmov : InstrItinClass;
45 def s_fdivt : InstrItinClass;
46 def s_fdivs : InstrItinClass;
47 def s_fsqrts: InstrItinClass;
48 def s_fsqrtt: InstrItinClass;
49 def s_ftoi : InstrItinClass;
50 def s_itof : InstrItinClass;
51 def s_pseudo : InstrItinClass;
53 //Table 2-4 Instruction Class Latency in Cycles
56 def Alpha21264Itineraries : ProcessorItineraries<
57 [L0, L1, FST0, FST1, U0, U1, FA, FM], [], [
58 InstrItinData<s_ild , [InstrStage<3, [L0, L1]>]>,
59 InstrItinData<s_fld , [InstrStage<4, [L0, L1]>]>,
60 InstrItinData<s_ist , [InstrStage<0, [L0, L1]>]>,
61 InstrItinData<s_fst , [InstrStage<0, [FST0, FST1, L0, L1]>]>,
62 InstrItinData<s_lda , [InstrStage<1, [L0, L1, U0, U1]>]>,
63 InstrItinData<s_rpcc , [InstrStage<1, [L1]>]>,
64 InstrItinData<s_rx , [InstrStage<1, [L1]>]>,
65 InstrItinData<s_mxpr , [InstrStage<1, [L0, L1]>]>,
66 InstrItinData<s_icbr , [InstrStage<0, [U0, U1]>]>,
67 InstrItinData<s_ubr , [InstrStage<3, [U0, U1]>]>,
68 InstrItinData<s_jsr , [InstrStage<3, [L0]>]>,
69 InstrItinData<s_iadd , [InstrStage<1, [L0, U0, L1, U1]>]>,
70 InstrItinData<s_ilog , [InstrStage<1, [L0, U0, L1, U1]>]>,
71 InstrItinData<s_ishf , [InstrStage<1, [U0, U1]>]>,
72 InstrItinData<s_cmov , [InstrStage<1, [L0, U0, L1, U1]>]>,
73 InstrItinData<s_imul , [InstrStage<7, [U1]>]>,
74 InstrItinData<s_imisc , [InstrStage<3, [U0]>]>,
75 InstrItinData<s_fbr , [InstrStage<0, [FA]>]>,
76 InstrItinData<s_fadd , [InstrStage<6, [FA]>]>,
77 InstrItinData<s_fmul , [InstrStage<6, [FM]>]>,
78 InstrItinData<s_fcmov , [InstrStage<6, [FA]>]>,
79 InstrItinData<s_fdivs , [InstrStage<12, [FA]>]>,
80 InstrItinData<s_fdivt , [InstrStage<15, [FA]>]>,
81 InstrItinData<s_fsqrts , [InstrStage<18, [FA]>]>,
82 InstrItinData<s_fsqrtt , [InstrStage<33, [FA]>]>,
83 InstrItinData<s_ftoi , [InstrStage<3, [FST0, FST1, L0, L1]>]>,
84 InstrItinData<s_itof , [InstrStage<4, [L0, L1]>]>