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			151 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			151 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- ARM.td - Describe the ARM Target Machine -----------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // 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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| 
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| //===----------------------------------------------------------------------===//
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| // Target-independent interfaces which we are implementing
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| //===----------------------------------------------------------------------===//
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| 
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| include "llvm/Target/Target.td"
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| 
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| //===----------------------------------------------------------------------===//
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| // ARM Subtarget features.
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| //
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| 
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| def ArchV4T     : SubtargetFeature<"v4t", "ARMArchVersion", "V4T",
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|                                    "ARM v4T">;
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| def ArchV5T     : SubtargetFeature<"v5t", "ARMArchVersion", "V5T",
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|                                    "ARM v5T">;
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| def ArchV5TE    : SubtargetFeature<"v5te", "ARMArchVersion", "V5TE",
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|                                    "ARM v5TE, v5TEj, v5TExp">;
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| def ArchV6      : SubtargetFeature<"v6", "ARMArchVersion", "V6",
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|                                    "ARM v6">;
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| def ArchV6T2    : SubtargetFeature<"v6t2", "ARMArchVersion", "V6T2",
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|                                    "ARM v6t2">;
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| def ArchV7A     : SubtargetFeature<"v7a", "ARMArchVersion", "V7A",
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|                                    "ARM v7A">;
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| def FeatureVFP2 : SubtargetFeature<"vfp2", "ARMFPUType", "VFPv2",
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|                                    "Enable VFP2 instructions">;
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| def FeatureVFP3 : SubtargetFeature<"vfp3", "ARMFPUType", "VFPv3",
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|                                    "Enable VFP3 instructions">;
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| def FeatureNEON : SubtargetFeature<"neon", "ARMFPUType", "NEON",
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|                                    "Enable NEON instructions">;
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| def FeatureThumb2 : SubtargetFeature<"thumb2", "ThumbMode", "Thumb2",
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|                                      "Enable Thumb2 instructions">;
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| 
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| //===----------------------------------------------------------------------===//
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| // ARM Processors supported.
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| //
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| 
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| include "ARMSchedule.td"
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| 
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| class ProcNoItin<string Name, list<SubtargetFeature> Features>
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|  : Processor<Name, GenericItineraries, Features>;
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| 
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| // V4 Processors.
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| def : ProcNoItin<"generic",         []>;
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| def : ProcNoItin<"arm8",            []>;
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| def : ProcNoItin<"arm810",          []>;
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| def : ProcNoItin<"strongarm",       []>;
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| def : ProcNoItin<"strongarm110",    []>;
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| def : ProcNoItin<"strongarm1100",   []>;
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| def : ProcNoItin<"strongarm1110",   []>;
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| 
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| // V4T Processors.
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| def : ProcNoItin<"arm7tdmi",        [ArchV4T]>;
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| def : ProcNoItin<"arm7tdmi-s",      [ArchV4T]>;
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| def : ProcNoItin<"arm710t",         [ArchV4T]>;
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| def : ProcNoItin<"arm720t",         [ArchV4T]>;
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| def : ProcNoItin<"arm9",            [ArchV4T]>;
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| def : ProcNoItin<"arm9tdmi",        [ArchV4T]>;
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| def : ProcNoItin<"arm920",          [ArchV4T]>;
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| def : ProcNoItin<"arm920t",         [ArchV4T]>;
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| def : ProcNoItin<"arm922t",         [ArchV4T]>;
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| def : ProcNoItin<"arm940t",         [ArchV4T]>;
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| def : ProcNoItin<"ep9312",          [ArchV4T]>;
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| 
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| // V5T Processors.
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| def : ProcNoItin<"arm10tdmi",       [ArchV5T]>;
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| def : ProcNoItin<"arm1020t",        [ArchV5T]>;
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| 
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| // V5TE Processors.
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| def : ProcNoItin<"arm9e",           [ArchV5TE]>;
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| def : ProcNoItin<"arm926ej-s",      [ArchV5TE]>;
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| def : ProcNoItin<"arm946e-s",       [ArchV5TE]>;
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| def : ProcNoItin<"arm966e-s",       [ArchV5TE]>;
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| def : ProcNoItin<"arm968e-s",       [ArchV5TE]>;
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| def : ProcNoItin<"arm10e",          [ArchV5TE]>;
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| def : ProcNoItin<"arm1020e",        [ArchV5TE]>;
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| def : ProcNoItin<"arm1022e",        [ArchV5TE]>;
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| def : ProcNoItin<"xscale",          [ArchV5TE]>;
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| def : ProcNoItin<"iwmmxt",          [ArchV5TE]>;
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| 
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| // V6 Processors.
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| def : Processor<"arm1136j-s",       V6Itineraries,
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|                 [ArchV6]>;
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| def : Processor<"arm1136jf-s",      V6Itineraries,
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|                 [ArchV6, FeatureVFP2]>;
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| def : Processor<"arm1176jz-s",      V6Itineraries,
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|                 [ArchV6]>;
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| def : Processor<"arm1176jzf-s",     V6Itineraries,
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|                 [ArchV6, FeatureVFP2]>;
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| def : Processor<"mpcorenovfp",      V6Itineraries,
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|                 [ArchV6]>;
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| def : Processor<"mpcore",           V6Itineraries,
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|                 [ArchV6, FeatureVFP2]>;
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| 
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| // V6T2 Processors.
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| def : Processor<"arm1156t2-s",     V6Itineraries,
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|                 [ArchV6T2, FeatureThumb2]>;
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| def : Processor<"arm1156t2f-s",    V6Itineraries,
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|                 [ArchV6T2, FeatureThumb2, FeatureVFP2]>;
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| 
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| // V7 Processors.
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| def : ProcNoItin<"cortex-a8",       [ArchV7A, FeatureThumb2, FeatureNEON]>;
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| def : ProcNoItin<"cortex-a9",       [ArchV7A, FeatureThumb2, FeatureNEON]>;
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| 
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| //===----------------------------------------------------------------------===//
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| // Register File Description
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| //===----------------------------------------------------------------------===//
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| 
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| include "ARMRegisterInfo.td"
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| 
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| include "ARMCallingConv.td"
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| 
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| //===----------------------------------------------------------------------===//
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| // Instruction Descriptions
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| //===----------------------------------------------------------------------===//
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| 
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| include "ARMInstrInfo.td"
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| 
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| def ARMInstrInfo : InstrInfo {
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|   // Define how we want to layout our target-specific information field.
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|   let TSFlagsFields = ["AddrModeBits",
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|                        "SizeFlag",
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|                        "IndexModeBits",
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|                        "Form",
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|                        "isUnaryDataProc"];
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|   let TSFlagsShifts = [0,
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|                        4,
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|                        7,
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|                        9,
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|                        15];
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| }
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| 
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| //===----------------------------------------------------------------------===//
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| // Declare the target which we are implementing
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| //===----------------------------------------------------------------------===//
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| 
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| def ARM : Target {
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|   // Pull in Instruction Info:
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|   let InstructionSet = ARMInstrInfo;
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| }
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