1 //===- Alpha.td - Describe the Alpha Target Machine --------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
13 // Get the target-independent interfaces which we are implementing...
15 include "../Target.td"
17 //Alpha is little endian
19 //===----------------------------------------------------------------------===//
21 //===----------------------------------------------------------------------===//
23 def FeatureCIX : SubtargetFeature<"CIX", "bool", "HasCT",
24 "Enable CIX extentions">;
25 def FeatureFIX : SubtargetFeature<"FIX", "bool", "HasF2I",
26 "Enable FIX extentions">;
28 //===----------------------------------------------------------------------===//
29 // Register File Description
30 //===----------------------------------------------------------------------===//
32 include "AlphaRegisterInfo.td"
34 //===----------------------------------------------------------------------===//
35 // Instruction Descriptions
36 //===----------------------------------------------------------------------===//
38 include "AlphaInstrInfo.td"
40 def AlphaInstrInfo : InstrInfo {
43 // Define how we want to layout our target-specific information field.
44 // let TSFlagsFields = [];
45 // let TSFlagsShifts = [];
48 //===----------------------------------------------------------------------===//
49 // Alpha Processor Definitions
50 //===----------------------------------------------------------------------===//
52 def : Processor<"generic", NoItineraries, []>;
53 def : Processor<"pca56" , NoItineraries, []>;
54 def : Processor<"ev56" , NoItineraries, []>;
55 def : Processor<"ev6" , NoItineraries, [FeatureFIX]>;
56 def : Processor<"ev67" , NoItineraries, [FeatureFIX, FeatureCIX]>;
58 //===----------------------------------------------------------------------===//
60 //===----------------------------------------------------------------------===//
64 // Pointers on Alpha are 64-bits in size.
65 let PointerType = i64;
67 let CalleeSavedRegisters =
69 [R9, R10, R11, R12, R13, R14,
76 F2, F3, F4, F5, F6, F7, F8, F9];
78 // Pull in Instruction Info:
79 let InstructionSet = AlphaInstrInfo;