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Andrew Lenharth017c5562006-03-09 17:16:45 +00001//===- AlphaSchedule.td - Alpha Scheduling Definitions -----*- tablegen -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
Chris Lattner4ee451d2007-12-29 20:36:04 +00005// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
Andrew Lenharth017c5562006-03-09 17:16:45 +00007//
8//===----------------------------------------------------------------------===//
9
10//This is table 2-2 from the 21264 compiler writers guide
11//modified some
12
13//Pipelines
14
15def L0 : FuncUnit;
16def L1 : FuncUnit;
17def FST0 : FuncUnit;
18def FST1 : FuncUnit;
19def U0 : FuncUnit;
20def U1 : FuncUnit;
21def FA : FuncUnit;
22def FM : FuncUnit;
23
24def s_ild : InstrItinClass;
25def s_fld : InstrItinClass;
26def s_ist : InstrItinClass;
27def s_fst : InstrItinClass;
28def s_lda : InstrItinClass;
29def s_rpcc : InstrItinClass;
30def s_rx : InstrItinClass;
31def s_mxpr : InstrItinClass;
32def s_icbr : InstrItinClass;
33def s_ubr : InstrItinClass;
34def s_jsr : InstrItinClass;
35def s_iadd : InstrItinClass;
36def s_ilog : InstrItinClass;
37def s_ishf : InstrItinClass;
38def s_cmov : InstrItinClass;
39def s_imul : InstrItinClass;
40def s_imisc : InstrItinClass;
41def s_fbr : InstrItinClass;
42def s_fadd : InstrItinClass;
43def s_fmul : InstrItinClass;
44def s_fcmov : InstrItinClass;
45def s_fdivt : InstrItinClass;
46def s_fdivs : InstrItinClass;
47def s_fsqrts: InstrItinClass;
48def s_fsqrtt: InstrItinClass;
49def s_ftoi : InstrItinClass;
50def s_itof : InstrItinClass;
51def s_pseudo : InstrItinClass;
52
53//Table 2­4 Instruction Class Latency in Cycles
54//modified some
55
56def Alpha21264Itineraries : ProcessorItineraries<[
57 InstrItinData<s_ild , [InstrStage<3, [L0, L1]>]>,
58 InstrItinData<s_fld , [InstrStage<4, [L0, L1]>]>,
59 InstrItinData<s_ist , [InstrStage<0, [L0, L1]>]>,
60 InstrItinData<s_fst , [InstrStage<0, [FST0, FST1, L0, L1]>]>,
61 InstrItinData<s_lda , [InstrStage<1, [L0, L1, U0, U1]>]>,
62 InstrItinData<s_rpcc , [InstrStage<1, [L1]>]>,
63 InstrItinData<s_rx , [InstrStage<1, [L1]>]>,
64 InstrItinData<s_mxpr , [InstrStage<1, [L0, L1]>]>,
65 InstrItinData<s_icbr , [InstrStage<0, [U0, U1]>]>,
66 InstrItinData<s_ubr , [InstrStage<3, [U0, U1]>]>,
67 InstrItinData<s_jsr , [InstrStage<3, [L0]>]>,
68 InstrItinData<s_iadd , [InstrStage<1, [L0, U0, L1, U1]>]>,
69 InstrItinData<s_ilog , [InstrStage<1, [L0, U0, L1, U1]>]>,
70 InstrItinData<s_ishf , [InstrStage<1, [U0, U1]>]>,
71 InstrItinData<s_cmov , [InstrStage<1, [L0, U0, L1, U1]>]>,
72 InstrItinData<s_imul , [InstrStage<7, [U1]>]>,
73 InstrItinData<s_imisc , [InstrStage<3, [U0]>]>,
74 InstrItinData<s_fbr , [InstrStage<0, [FA]>]>,
75 InstrItinData<s_fadd , [InstrStage<6, [FA]>]>,
76 InstrItinData<s_fmul , [InstrStage<6, [FM]>]>,
77 InstrItinData<s_fcmov , [InstrStage<6, [FA]>]>,
78 InstrItinData<s_fdivs , [InstrStage<12, [FA]>]>,
79 InstrItinData<s_fdivt , [InstrStage<15, [FA]>]>,
80 InstrItinData<s_fsqrts , [InstrStage<18, [FA]>]>,
81 InstrItinData<s_fsqrtt , [InstrStage<33, [FA]>]>,
82 InstrItinData<s_ftoi , [InstrStage<3, [FST0, FST1, L0, L1]>]>,
83 InstrItinData<s_itof , [InstrStage<4, [L0, L1]>]>
84]>;