ARMSubtarget.h revision 5b1b4489cf3a0f56f8be0673fc5cc380a32d277b
1a8e2989ece6dc46df59b0768184028257f913843Evan Cheng//=====---- ARMSubtarget.h - Define Subtarget for the ARM -----*- C++ -*--====// 2a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 3a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// The LLVM Compiler Infrastructure 4a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 7a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 8a8e2989ece6dc46df59b0768184028257f913843Evan Cheng//===----------------------------------------------------------------------===// 9a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 105b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng// This file declares the ARM specific subclass of TargetSubtargetInfo. 11a8e2989ece6dc46df59b0768184028257f913843Evan Cheng// 12a8e2989ece6dc46df59b0768184028257f913843Evan Cheng//===----------------------------------------------------------------------===// 13a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 14a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#ifndef ARMSUBTARGET_H 15a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#define ARMSUBTARGET_H 16a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 175b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng#include "llvm/Target/TargetSubtargetInfo.h" 18ab8be96fd30ca9396e6b84fdddf1ac6208984cadEvan Cheng#include "llvm/MC/MCInstrItineraries.h" 19b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "llvm/ADT/Triple.h" 20a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include <string> 21a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 2294214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng#define GET_SUBTARGETINFO_HEADER 2394214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng#include "ARMGenSubtarget.inc" 2494214703d97d8d9dfca88174ffc7e94820a85e62Evan Cheng 25a8e2989ece6dc46df59b0768184028257f913843Evan Chengnamespace llvm { 26e4e4ed3b56f63e9343e01bf0b2ecd7c1f45d296cEvan Chengclass GlobalValue; 27a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 2894214703d97d8d9dfca88174ffc7e94820a85e62Evan Chengclass ARMSubtarget : public ARMGenSubtargetInfo { 29a8e2989ece6dc46df59b0768184028257f913843Evan Chengprotected: 30a8e2989ece6dc46df59b0768184028257f913843Evan Cheng enum ARMArchEnum { 31d6b463225674c10511b00f8f631a89b6da5afc54Evan Cheng V4, V4T, V5T, V5TE, V6, V6M, V6T2, V7A, V7M 32a8e2989ece6dc46df59b0768184028257f913843Evan Cheng }; 33a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 343ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng enum ARMProcFamilyEnum { 353ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng Others, CortexA8, CortexA9 363ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng }; 373ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng 386d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov enum ARMFPEnum { 396d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov None, VFPv2, VFPv3, NEON 406d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov }; 416d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov 42d4022c3fbb0705abdc8eddc3ee4a5059f5ef8094Anton Korobeynikov enum ThumbTypeEnum { 43d4022c3fbb0705abdc8eddc3ee4a5059f5ef8094Anton Korobeynikov Thumb1, 44d4022c3fbb0705abdc8eddc3ee4a5059f5ef8094Anton Korobeynikov Thumb2 45d4022c3fbb0705abdc8eddc3ee4a5059f5ef8094Anton Korobeynikov }; 46d4022c3fbb0705abdc8eddc3ee4a5059f5ef8094Anton Korobeynikov 47ce7bf1c55f5238870bae2909cd368151f1d813d1Anton Korobeynikov /// ARMArchVersion - ARM architecture version: V4, V4T (base), V5T, V5TE, 48b1dc393bd56365ad8fabb51f22c2f3ace707c39aJim Grosbach /// V6, V6T2, V7A, V7M. 49a8e2989ece6dc46df59b0768184028257f913843Evan Cheng ARMArchEnum ARMArchVersion; 50a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 513ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng /// ARMProcFamily - ARM processor family: Cortex-A8, Cortex-A9, and others. 523ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng ARMProcFamilyEnum ARMProcFamily; 533ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng 546d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov /// ARMFPUType - Floating Point Unit type. 556d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov ARMFPEnum ARMFPUType; 56a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 571f0e404c87675ce75e34bcd91395c660fe1d4ac1David Goodwin /// UseNEONForSinglePrecisionFP - if the NEONFP attribute has been 581f0e404c87675ce75e34bcd91395c660fe1d4ac1David Goodwin /// specified. Use the method useNEONForSinglePrecisionFP() to 591f0e404c87675ce75e34bcd91395c660fe1d4ac1David Goodwin /// determine if NEON should actually be used. 6042a83f2d15cbbc08f5be19856198e3c885221e9cDavid Goodwin bool UseNEONForSinglePrecisionFP; 6142a83f2d15cbbc08f5be19856198e3c885221e9cDavid Goodwin 6248575f6ea7d5cd21ab29ca370f58fcf9ca31400bEvan Cheng /// SlowFPVMLx - If the VFP2 / NEON instructions are available, indicates 6348575f6ea7d5cd21ab29ca370f58fcf9ca31400bEvan Cheng /// whether the FP VML[AS] instructions are slow (if so, don't use them). 6448575f6ea7d5cd21ab29ca370f58fcf9ca31400bEvan Cheng bool SlowFPVMLx; 652676737e5ed3e4b5c89b4d06b60d998e9318eb73Jim Grosbach 66463d358f1dfdd28a6900f2f109a160be71d2a8efEvan Cheng /// HasVMLxForwarding - If true, NEON has special multiplier accumulator 67463d358f1dfdd28a6900f2f109a160be71d2a8efEvan Cheng /// forwarding to allow mul + mla being issued back to back. 68463d358f1dfdd28a6900f2f109a160be71d2a8efEvan Cheng bool HasVMLxForwarding; 69463d358f1dfdd28a6900f2f109a160be71d2a8efEvan Cheng 707a415999625f9791a8a7eea2027e628e29de15c0Evan Cheng /// SlowFPBrcc - True if floating point compare + branch is slow. 717a415999625f9791a8a7eea2027e628e29de15c0Evan Cheng bool SlowFPBrcc; 727a415999625f9791a8a7eea2027e628e29de15c0Evan Cheng 7370459bef9ccd73b3a2a44fdd62f2509861112745Anton Korobeynikov /// IsThumb - True if we are in thumb mode, false if in ARM mode. 7470459bef9ccd73b3a2a44fdd62f2509861112745Anton Korobeynikov bool IsThumb; 7570459bef9ccd73b3a2a44fdd62f2509861112745Anton Korobeynikov 7670459bef9ccd73b3a2a44fdd62f2509861112745Anton Korobeynikov /// ThumbMode - Indicates supported Thumb version. 77d4022c3fbb0705abdc8eddc3ee4a5059f5ef8094Anton Korobeynikov ThumbTypeEnum ThumbMode; 78a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 797b4d31176efe6894bcfaa05257dd5783acda5ddcEvan Cheng /// NoARM - True if subtarget does not support ARM mode execution. 807b4d31176efe6894bcfaa05257dd5783acda5ddcEvan Cheng bool NoARM; 817b4d31176efe6894bcfaa05257dd5783acda5ddcEvan Cheng 820dad89fa94536284d51f60868326294b725a0c61David Goodwin /// PostRAScheduler - True if using post-register-allocation scheduler. 830dad89fa94536284d51f60868326294b725a0c61David Goodwin bool PostRAScheduler; 840dad89fa94536284d51f60868326294b725a0c61David Goodwin 85a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// IsR9Reserved - True if R9 is a not available as general purpose register. 86a8e2989ece6dc46df59b0768184028257f913843Evan Cheng bool IsR9Reserved; 873630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio 885cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov /// UseMovt - True if MOVT / MOVW pairs are used for materialization of 32-bit 895cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov /// imms (including global addresses). 905cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov bool UseMovt; 915cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov 92631379e79c0971c5bac13629b8caf8912ed4c35cAnton Korobeynikov /// HasFP16 - True if subtarget supports half-precision FP (We support VFP+HF 93631379e79c0971c5bac13629b8caf8912ed4c35cAnton Korobeynikov /// only so far) 94631379e79c0971c5bac13629b8caf8912ed4c35cAnton Korobeynikov bool HasFP16; 95631379e79c0971c5bac13629b8caf8912ed4c35cAnton Korobeynikov 9677f42b52781b6923924a93b8ab338d183887a592Bob Wilson /// HasD16 - True if subtarget is limited to 16 double precision 9777f42b52781b6923924a93b8ab338d183887a592Bob Wilson /// FP registers for VFPv3. 9877f42b52781b6923924a93b8ab338d183887a592Bob Wilson bool HasD16; 9977f42b52781b6923924a93b8ab338d183887a592Bob Wilson 10029402132f3e890a2771818f44987ede213297431Jim Grosbach /// HasHardwareDivide - True if subtarget supports [su]div 10129402132f3e890a2771818f44987ede213297431Jim Grosbach bool HasHardwareDivide; 10229402132f3e890a2771818f44987ede213297431Jim Grosbach 10329402132f3e890a2771818f44987ede213297431Jim Grosbach /// HasT2ExtractPack - True if subtarget supports thumb2 extract/pack 10429402132f3e890a2771818f44987ede213297431Jim Grosbach /// instructions. 10529402132f3e890a2771818f44987ede213297431Jim Grosbach bool HasT2ExtractPack; 10629402132f3e890a2771818f44987ede213297431Jim Grosbach 10711db068721d44fd5f9b0c2a3a4c90f813d2eae9cEvan Cheng /// HasDataBarrier - True if the subtarget supports DMB / DSB data barrier 10811db068721d44fd5f9b0c2a3a4c90f813d2eae9cEvan Cheng /// instructions. 10911db068721d44fd5f9b0c2a3a4c90f813d2eae9cEvan Cheng bool HasDataBarrier; 11011db068721d44fd5f9b0c2a3a4c90f813d2eae9cEvan Cheng 111e44be6381609d31b2d8879dbd5107e01404fa475Evan Cheng /// Pref32BitThumb - If true, codegen would prefer 32-bit Thumb instructions 112e44be6381609d31b2d8879dbd5107e01404fa475Evan Cheng /// over 16-bit ones. 113e44be6381609d31b2d8879dbd5107e01404fa475Evan Cheng bool Pref32BitThumb; 114e44be6381609d31b2d8879dbd5107e01404fa475Evan Cheng 1155dde893c2bac9e1569c38429f756c1d723e8edf2Bob Wilson /// AvoidCPSRPartialUpdate - If true, codegen would avoid using instructions 1165dde893c2bac9e1569c38429f756c1d723e8edf2Bob Wilson /// that partially update CPSR and add false dependency on the previous 1175dde893c2bac9e1569c38429f756c1d723e8edf2Bob Wilson /// CPSR setting instruction. 1185dde893c2bac9e1569c38429f756c1d723e8edf2Bob Wilson bool AvoidCPSRPartialUpdate; 1195dde893c2bac9e1569c38429f756c1d723e8edf2Bob Wilson 120dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng /// HasMPExtension - True if the subtarget supports Multiprocessing 121dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng /// extension (ARMv7 only). 122dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng bool HasMPExtension; 123dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng 124fcba5e6b645df89ae6b93911fe0f80b08fa6b44cJim Grosbach /// FPOnlySP - If true, the floating point unit only supports single 125fcba5e6b645df89ae6b93911fe0f80b08fa6b44cJim Grosbach /// precision. 126fcba5e6b645df89ae6b93911fe0f80b08fa6b44cJim Grosbach bool FPOnlySP; 127fcba5e6b645df89ae6b93911fe0f80b08fa6b44cJim Grosbach 12802aba73a9ec04d0de9424422249af3948ca9573aBob Wilson /// AllowsUnalignedMem - If true, the subtarget allows unaligned memory 12902aba73a9ec04d0de9424422249af3948ca9573aBob Wilson /// accesses for some types. For details, see 13002aba73a9ec04d0de9424422249af3948ca9573aBob Wilson /// ARMTargetLowering::allowsUnalignedMemoryAccesses(). 13102aba73a9ec04d0de9424422249af3948ca9573aBob Wilson bool AllowsUnalignedMem; 13202aba73a9ec04d0de9424422249af3948ca9573aBob Wilson 133a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// stackAlignment - The minimum alignment known to hold of the stack frame on 134a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// entry to the function and which must be maintained by every function. 135a8e2989ece6dc46df59b0768184028257f913843Evan Cheng unsigned stackAlignment; 136a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 13741a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov /// CPUString - String name of used CPU. 13841a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov std::string CPUString; 13941a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov 140b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng /// TargetTriple - What processor and OS we're targeting. 141b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng Triple TargetTriple; 142b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng 1438557c2bcb8002169d890eb8485e9a1d7219e4343Evan Cheng /// Selected instruction itineraries (one entry per itinerary class.) 1448557c2bcb8002169d890eb8485e9a1d7219e4343Evan Cheng InstrItineraryData InstrItins; 145764ab52dd80310a205c9888bf166d09dab858f90Jim Grosbach 146a8e2989ece6dc46df59b0768184028257f913843Evan Cheng public: 1471a3771e30e48b9cc21ccdc79fc9cf37ec4104b17Evan Cheng enum { 1481a3771e30e48b9cc21ccdc79fc9cf37ec4104b17Evan Cheng isELF, isDarwin 1491a3771e30e48b9cc21ccdc79fc9cf37ec4104b17Evan Cheng } TargetType; 1501a3771e30e48b9cc21ccdc79fc9cf37ec4104b17Evan Cheng 1513630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio enum { 1523630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio ARM_ABI_APCS, 1533630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio ARM_ABI_AAPCS // ARM EABI 1543630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio } TargetABI; 1553630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio 156a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// This constructor initializes the data members to match that 1573be03406c9c3b2075d5ae416499af2f15f703d6fDaniel Dunbar /// of the specified triple. 158a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// 159276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng ARMSubtarget(const std::string &TT, const std::string &CPU, 160276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng const std::string &FS, bool isThumb); 161a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 162707e0184233f27e0e9f9aee0309f2daab8cfe7f8Dan Gohman /// getMaxInlineSizeThreshold - Returns the maximum memset / memcpy size 163707e0184233f27e0e9f9aee0309f2daab8cfe7f8Dan Gohman /// that still makes it profitable to inline the call. 164e0703c84ddeb1a1276de4e38210c1127ef5df130Rafael Espindola unsigned getMaxInlineSizeThreshold() const { 1654d6113ee0699ac1eff46971881179de53e2eb810Bob Wilson // FIXME: For now, we don't lower memcpy's to loads / stores for Thumb1. 1664d6113ee0699ac1eff46971881179de53e2eb810Bob Wilson // Change this once Thumb1 ldmia / stmia support is added. 1674d6113ee0699ac1eff46971881179de53e2eb810Bob Wilson return isThumb1Only() ? 0 : 64; 168e0703c84ddeb1a1276de4e38210c1127ef5df130Rafael Espindola } 1696d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov /// ParseSubtargetFeatures - Parses features string setting specified 170a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// subtarget options. Definition of function is auto generated by tblgen. 171276365dd4bc0c2160f91fd8062ae1fc90c86c324Evan Cheng void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU); 172a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 1732da8bc8a5f7705ac131184cd247f48500da0d74eAndrew Trick void computeIssueWidth(); 1742da8bc8a5f7705ac131184cd247f48500da0d74eAndrew Trick 1756d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasV4TOps() const { return ARMArchVersion >= V4T; } 1766d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasV5TOps() const { return ARMArchVersion >= V5T; } 177a8e2989ece6dc46df59b0768184028257f913843Evan Cheng bool hasV5TEOps() const { return ARMArchVersion >= V5TE; } 1786d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasV6Ops() const { return ARMArchVersion >= V6; } 179e481f127497b20d3abe625ca4c086f85bf8b126fBob Wilson bool hasV6T2Ops() const { return ARMArchVersion >= V6T2; } 1806d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasV7Ops() const { return ARMArchVersion >= V7A; } 181a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 1823ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng bool isCortexA8() const { return ARMProcFamily == CortexA8; } 1833ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng bool isCortexA9() const { return ARMProcFamily == CortexA9; } 1843ef1c8759a20167457eb7fd82ebcaffe7ccaa1d1Evan Cheng 1857b4d31176efe6894bcfaa05257dd5783acda5ddcEvan Cheng bool hasARMOps() const { return !NoARM; } 1867b4d31176efe6894bcfaa05257dd5783acda5ddcEvan Cheng 1876d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasVFP2() const { return ARMFPUType >= VFPv2; } 1886d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasVFP3() const { return ARMFPUType >= VFPv3; } 1896d7d2aa38a247426e2ccf53e3c6ad0315c9a4d8cAnton Korobeynikov bool hasNEON() const { return ARMFPUType >= NEON; } 190764ab52dd80310a205c9888bf166d09dab858f90Jim Grosbach bool useNEONForSinglePrecisionFP() const { 19142a83f2d15cbbc08f5be19856198e3c885221e9cDavid Goodwin return hasNEON() && UseNEONForSinglePrecisionFP; } 192eae216c6d3d29cb9024ddf436a8f2ce222bb9ec8Shantonu Sen bool hasDivide() const { return HasHardwareDivide; } 193eae216c6d3d29cb9024ddf436a8f2ce222bb9ec8Shantonu Sen bool hasT2ExtractPack() const { return HasT2ExtractPack; } 19411db068721d44fd5f9b0c2a3a4c90f813d2eae9cEvan Cheng bool hasDataBarrier() const { return HasDataBarrier; } 19548575f6ea7d5cd21ab29ca370f58fcf9ca31400bEvan Cheng bool useFPVMLx() const { return !SlowFPVMLx; } 196463d358f1dfdd28a6900f2f109a160be71d2a8efEvan Cheng bool hasVMLxForwarding() const { return HasVMLxForwarding; } 1977a415999625f9791a8a7eea2027e628e29de15c0Evan Cheng bool isFPBrccSlow() const { return SlowFPBrcc; } 198fcba5e6b645df89ae6b93911fe0f80b08fa6b44cJim Grosbach bool isFPOnlySP() const { return FPOnlySP; } 199e44be6381609d31b2d8879dbd5107e01404fa475Evan Cheng bool prefers32BitThumb() const { return Pref32BitThumb; } 2005dde893c2bac9e1569c38429f756c1d723e8edf2Bob Wilson bool avoidCPSRPartialUpdate() const { return AvoidCPSRPartialUpdate; } 201dfed19fe2c34c1209108afa58e8ab014ffd894e2Evan Cheng bool hasMPExtension() const { return HasMPExtension; } 202764ab52dd80310a205c9888bf166d09dab858f90Jim Grosbach 203631379e79c0971c5bac13629b8caf8912ed4c35cAnton Korobeynikov bool hasFP16() const { return HasFP16; } 20477f42b52781b6923924a93b8ab338d183887a592Bob Wilson bool hasD16() const { return HasD16; } 205631379e79c0971c5bac13629b8caf8912ed4c35cAnton Korobeynikov 206c8578948c9b35080dedd6527abf4f48fc4de43d3Evan Cheng const Triple &getTargetTriple() const { return TargetTriple; } 207c8578948c9b35080dedd6527abf4f48fc4de43d3Evan Cheng 208912225e18559a73228099330a4c253fdccf9fa3dDaniel Dunbar bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); } 209b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng bool isTargetELF() const { return !isTargetDarwin(); } 2101a3771e30e48b9cc21ccdc79fc9cf37ec4104b17Evan Cheng 2113630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio bool isAPCS_ABI() const { return TargetABI == ARM_ABI_APCS; } 2123630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio bool isAAPCS_ABI() const { return TargetABI == ARM_ABI_AAPCS; } 2133630e78db9268dbe81a9369a33e49b857804f2ecLauro Ramos Venancio 21470459bef9ccd73b3a2a44fdd62f2509861112745Anton Korobeynikov bool isThumb() const { return IsThumb; } 215bb6296234238aab74a531b382d92342269bea902Anton Korobeynikov bool isThumb1Only() const { return IsThumb && (ThumbMode == Thumb1); } 2163147fb2cff9ca0d258f8ab20ff23b9c447024df1Evan Cheng bool isThumb2() const { return IsThumb && (ThumbMode == Thumb2); } 217d770d9e7d1f5c65b185897dcf226b3fc64598683Evan Cheng bool hasThumb2() const { return ThumbMode >= Thumb2; } 218a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 219a8e2989ece6dc46df59b0768184028257f913843Evan Cheng bool isR9Reserved() const { return IsR9Reserved; } 220a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 2215cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov bool useMovt() const { return UseMovt && hasV6T2Ops(); } 2225cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov 22302aba73a9ec04d0de9424422249af3948ca9573aBob Wilson bool allowsUnalignedMem() const { return AllowsUnalignedMem; } 22402aba73a9ec04d0de9424422249af3948ca9573aBob Wilson 22541a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov const std::string & getCPUString() const { return CPUString; } 2265cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov 227654d5440a477b1f6c89b051107e041a331f78e27Owen Anderson unsigned getMispredictionPenalty() const; 2286e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 229c2e8a7e8d2ab156afaa8ab0d0317dd9ee3db7d30David Goodwin /// enablePostRAScheduler - True at 'More' optimization. 2304c3715c2e5e17d7216a96ac2baf9720630f04408David Goodwin bool enablePostRAScheduler(CodeGenOpt::Level OptLevel, 2315b1b4489cf3a0f56f8be0673fc5cc380a32d277bEvan Cheng TargetSubtargetInfo::AntiDepBreakMode& Mode, 23287d21b92fc42f6b3bd8567a83fc5b5191c1205e5David Goodwin RegClassVector& CriticalPathRCs) const; 23341a024385f1220eadc48b48cb4c044a5fbc1b361Anton Korobeynikov 234764ab52dd80310a205c9888bf166d09dab858f90Jim Grosbach /// getInstrItins - Return the instruction itineraies based on subtarget 2358557c2bcb8002169d890eb8485e9a1d7219e4343Evan Cheng /// selection. 2368557c2bcb8002169d890eb8485e9a1d7219e4343Evan Cheng const InstrItineraryData &getInstrItineraryData() const { return InstrItins; } 2378557c2bcb8002169d890eb8485e9a1d7219e4343Evan Cheng 238a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// getStackAlignment - Returns the minimum alignment known to hold of the 239a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// stack frame on entry to the function and which must be maintained by every 240a8e2989ece6dc46df59b0768184028257f913843Evan Cheng /// function for this subtarget. 241a8e2989ece6dc46df59b0768184028257f913843Evan Cheng unsigned getStackAlignment() const { return stackAlignment; } 242e4e4ed3b56f63e9343e01bf0b2ecd7c1f45d296cEvan Cheng 243e4e4ed3b56f63e9343e01bf0b2ecd7c1f45d296cEvan Cheng /// GVIsIndirectSymbol - true if the GV will be accessed via an indirect 244e4e4ed3b56f63e9343e01bf0b2ecd7c1f45d296cEvan Cheng /// symbol. 24546510a73e977273ec67747eb34cbdb43f815e451Dan Gohman bool GVIsIndirectSymbol(const GlobalValue *GV, Reloc::Model RelocM) const; 246a8e2989ece6dc46df59b0768184028257f913843Evan Cheng}; 247a8e2989ece6dc46df59b0768184028257f913843Evan Cheng} // End llvm namespace 248a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 249a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#endif // ARMSUBTARGET_H 250