| //===- Alpha.td - Describe the Alpha Target Machine --------*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by the LLVM research group and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Get the target-independent interfaces which we are implementing... |
| // |
| include "../Target.td" |
| |
| //Alpha is little endian |
| |
| //===----------------------------------------------------------------------===// |
| // Subtarget Features |
| //===----------------------------------------------------------------------===// |
| |
| def FeatureCIX : SubtargetFeature<"CIX", "bool", "HasCT", |
| "Enable CIX extentions">; |
| def FeatureFIX : SubtargetFeature<"FIX", "bool", "HasF2I", |
| "Enable FIX extentions">; |
| |
| //===----------------------------------------------------------------------===// |
| // Register File Description |
| //===----------------------------------------------------------------------===// |
| |
| include "AlphaRegisterInfo.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction Descriptions |
| //===----------------------------------------------------------------------===// |
| |
| include "AlphaInstrInfo.td" |
| |
| def AlphaInstrInfo : InstrInfo { |
| let PHIInst = PHI; |
| |
| // Define how we want to layout our target-specific information field. |
| // let TSFlagsFields = []; |
| // let TSFlagsShifts = []; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Alpha Processor Definitions |
| //===----------------------------------------------------------------------===// |
| |
| def : Processor<"generic", NoItineraries, []>; |
| def : Processor<"pca56" , NoItineraries, []>; |
| def : Processor<"ev56" , NoItineraries, []>; |
| def : Processor<"ev6" , NoItineraries, [FeatureFIX]>; |
| def : Processor<"ev67" , NoItineraries, [FeatureFIX, FeatureCIX]>; |
| |
| //===----------------------------------------------------------------------===// |
| // The Alpha Target |
| //===----------------------------------------------------------------------===// |
| |
| |
| def Alpha : Target { |
| // Pointers on Alpha are 64-bits in size. |
| let PointerType = i64; |
| |
| let CalleeSavedRegisters = |
| //saved regs |
| [R9, R10, R11, R12, R13, R14, |
| //Frame pointer |
| // R15, |
| //return address |
| // R26, |
| //Stack Pointer |
| // R30, |
| F2, F3, F4, F5, F6, F7, F8, F9]; |
| |
| // Pull in Instruction Info: |
| let InstructionSet = AlphaInstrInfo; |
| } |
