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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24012 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			TableGen
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			TableGen
		
	
	
	
	
	
//===- Alpha.td - Describe the Alpha Target Machine --------*- tablegen -*-===//
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// 
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//                     The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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// 
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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// Get the target-independent interfaces which we are implementing...
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//
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include "../Target.td"
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//Alpha is little endian
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//===----------------------------------------------------------------------===//
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// Subtarget Features
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//===----------------------------------------------------------------------===//
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def FeatureCIX : SubtargetFeature<"CIX", "bool", "HasCT",
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                                  "Enable CIX extentions">;
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def FeatureFIX : SubtargetFeature<"FIX", "bool", "HasF2I",
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                                  "Enable FIX extentions">;
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//===----------------------------------------------------------------------===//
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// Register File Description
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//===----------------------------------------------------------------------===//
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include "AlphaRegisterInfo.td"
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//===----------------------------------------------------------------------===//
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// Instruction Descriptions
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//===----------------------------------------------------------------------===//
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include "AlphaInstrInfo.td"
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def AlphaInstrInfo : InstrInfo {
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  let PHIInst = PHI;
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  // Define how we want to layout our target-specific information field.
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 // let TSFlagsFields = [];
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 // let TSFlagsShifts = [];
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}
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//===----------------------------------------------------------------------===//
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// Alpha Processor Definitions
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//===----------------------------------------------------------------------===//
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def : Processor<"generic", NoItineraries, []>;
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def : Processor<"pca56"  , NoItineraries, []>;
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def : Processor<"ev56"   , NoItineraries, []>;
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def : Processor<"ev6"    , NoItineraries, [FeatureFIX]>;
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def : Processor<"ev67"   , NoItineraries, [FeatureFIX, FeatureCIX]>;
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//===----------------------------------------------------------------------===//
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// The Alpha Target
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//===----------------------------------------------------------------------===//
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def Alpha : Target {
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  // Pointers on Alpha are 64-bits in size.
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  let PointerType = i64;
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  let CalleeSavedRegisters = 
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	//saved regs
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	[R9, R10, R11, R12, R13, R14, 
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	//Frame pointer
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//	R15, 
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	//return address
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//	R26, 
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	//Stack Pointer
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//	R30,
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         F2, F3, F4, F5, F6, F7, F8, F9];
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  // Pull in Instruction Info:
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  let InstructionSet = AlphaInstrInfo;
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}
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