mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
217 lines
6.6 KiB
C++
217 lines
6.6 KiB
C++
//===-- TargetParser - Parser for target features ---------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements a target parser to recognise hardware features such as
|
|
// FPU/CPU/ARCH names as well as specific support such as HDIV, etc.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_SUPPORT_TARGETPARSER_H
|
|
#define LLVM_SUPPORT_TARGETPARSER_H
|
|
|
|
// FIXME: vector is used because that's what clang uses for subtarget feature
|
|
// lists, but SmallVector would probably be better
|
|
#include "llvm/ADT/Triple.h"
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
class StringRef;
|
|
|
|
// Target specific information into their own namespaces. These should be
|
|
// generated from TableGen because the information is already there, and there
|
|
// is where new information about targets will be added.
|
|
// FIXME: To TableGen this we need to make some table generated files available
|
|
// even if the back-end is not compiled with LLVM, plus we need to create a new
|
|
// back-end to TableGen to create these clean tables.
|
|
namespace ARM {
|
|
|
|
// FPU Version
|
|
enum class FPUVersion {
|
|
NONE,
|
|
VFPV2,
|
|
VFPV3,
|
|
VFPV3_FP16,
|
|
VFPV4,
|
|
VFPV5
|
|
};
|
|
|
|
// An FPU name restricts the FPU in one of three ways:
|
|
enum class FPURestriction {
|
|
None = 0, ///< No restriction
|
|
D16, ///< Only 16 D registers
|
|
SP_D16 ///< Only single-precision instructions, with 16 D registers
|
|
};
|
|
|
|
// An FPU name implies one of three levels of Neon support:
|
|
enum class NeonSupportLevel {
|
|
None = 0, ///< No Neon
|
|
Neon, ///< Neon
|
|
Crypto ///< Neon with Crypto
|
|
};
|
|
|
|
// FPU names.
|
|
enum FPUKind {
|
|
#define ARM_FPU(NAME, KIND, VERSION, NEON_SUPPORT, RESTRICTION) KIND,
|
|
#include "ARMTargetParser.def"
|
|
FK_LAST
|
|
};
|
|
|
|
// Arch names.
|
|
enum class ArchKind {
|
|
#define ARM_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID,
|
|
#include "ARMTargetParser.def"
|
|
};
|
|
|
|
// Arch extension modifiers for CPUs.
|
|
enum ArchExtKind : unsigned {
|
|
AEK_INVALID = 0,
|
|
AEK_NONE = 1,
|
|
AEK_CRC = 1 << 1,
|
|
AEK_CRYPTO = 1 << 2,
|
|
AEK_FP = 1 << 3,
|
|
AEK_HWDIVTHUMB = 1 << 4,
|
|
AEK_HWDIVARM = 1 << 5,
|
|
AEK_MP = 1 << 6,
|
|
AEK_SIMD = 1 << 7,
|
|
AEK_SEC = 1 << 8,
|
|
AEK_VIRT = 1 << 9,
|
|
AEK_DSP = 1 << 10,
|
|
AEK_FP16 = 1 << 11,
|
|
AEK_RAS = 1 << 12,
|
|
AEK_SVE = 1 << 13,
|
|
AEK_DOTPROD = 1 << 14,
|
|
// Unsupported extensions.
|
|
AEK_OS = 0x8000000,
|
|
AEK_IWMMXT = 0x10000000,
|
|
AEK_IWMMXT2 = 0x20000000,
|
|
AEK_MAVERICK = 0x40000000,
|
|
AEK_XSCALE = 0x80000000,
|
|
};
|
|
|
|
// ISA kinds.
|
|
enum class ISAKind { INVALID = 0, ARM, THUMB, AARCH64 };
|
|
|
|
// Endianness
|
|
// FIXME: BE8 vs. BE32?
|
|
enum class EndianKind { INVALID = 0, LITTLE, BIG };
|
|
|
|
// v6/v7/v8 Profile
|
|
enum class ProfileKind { INVALID = 0, A, R, M };
|
|
|
|
StringRef getCanonicalArchName(StringRef Arch);
|
|
|
|
// Information by ID
|
|
StringRef getFPUName(unsigned FPUKind);
|
|
FPUVersion getFPUVersion(unsigned FPUKind);
|
|
NeonSupportLevel getFPUNeonSupportLevel(unsigned FPUKind);
|
|
FPURestriction getFPURestriction(unsigned FPUKind);
|
|
|
|
// FIXME: These should be moved to TargetTuple once it exists
|
|
bool getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features);
|
|
bool getHWDivFeatures(unsigned HWDivKind, std::vector<StringRef> &Features);
|
|
bool getExtensionFeatures(unsigned Extensions,
|
|
std::vector<StringRef> &Features);
|
|
|
|
StringRef getArchName(ArchKind AK);
|
|
unsigned getArchAttr(ArchKind AK);
|
|
StringRef getCPUAttr(ArchKind AK);
|
|
StringRef getSubArch(ArchKind AK);
|
|
StringRef getArchExtName(unsigned ArchExtKind);
|
|
StringRef getArchExtFeature(StringRef ArchExt);
|
|
StringRef getHWDivName(unsigned HWDivKind);
|
|
|
|
// Information by Name
|
|
unsigned getDefaultFPU(StringRef CPU, ArchKind AK);
|
|
unsigned getDefaultExtensions(StringRef CPU, ArchKind AK);
|
|
StringRef getDefaultCPU(StringRef Arch);
|
|
|
|
// Parser
|
|
unsigned parseHWDiv(StringRef HWDiv);
|
|
unsigned parseFPU(StringRef FPU);
|
|
ArchKind parseArch(StringRef Arch);
|
|
unsigned parseArchExt(StringRef ArchExt);
|
|
ArchKind parseCPUArch(StringRef CPU);
|
|
ISAKind parseArchISA(StringRef Arch);
|
|
EndianKind parseArchEndian(StringRef Arch);
|
|
ProfileKind parseArchProfile(StringRef Arch);
|
|
unsigned parseArchVersion(StringRef Arch);
|
|
|
|
StringRef computeDefaultTargetABI(const Triple &TT, StringRef CPU);
|
|
|
|
} // namespace ARM
|
|
|
|
// FIXME:This should be made into class design,to avoid dupplication.
|
|
namespace AArch64 {
|
|
|
|
// Arch names.
|
|
enum class ArchKind {
|
|
#define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID,
|
|
#include "AArch64TargetParser.def"
|
|
};
|
|
|
|
// Arch extension modifiers for CPUs.
|
|
enum ArchExtKind : unsigned {
|
|
AEK_INVALID = 0,
|
|
AEK_NONE = 1,
|
|
AEK_CRC = 1 << 1,
|
|
AEK_CRYPTO = 1 << 2,
|
|
AEK_FP = 1 << 3,
|
|
AEK_SIMD = 1 << 4,
|
|
AEK_FP16 = 1 << 5,
|
|
AEK_PROFILE = 1 << 6,
|
|
AEK_RAS = 1 << 7,
|
|
AEK_LSE = 1 << 8,
|
|
AEK_RDM = 1 << 9,
|
|
AEK_SVE = 1 << 10,
|
|
AEK_DOTPROD = 1 << 11,
|
|
AEK_RCPC = 1 << 12
|
|
};
|
|
|
|
StringRef getCanonicalArchName(StringRef Arch);
|
|
|
|
// Information by ID
|
|
StringRef getFPUName(unsigned FPUKind);
|
|
ARM::FPUVersion getFPUVersion(unsigned FPUKind);
|
|
ARM::NeonSupportLevel getFPUNeonSupportLevel(unsigned FPUKind);
|
|
ARM::FPURestriction getFPURestriction(unsigned FPUKind);
|
|
|
|
// FIXME: These should be moved to TargetTuple once it exists
|
|
bool getFPUFeatures(unsigned FPUKind, std::vector<StringRef> &Features);
|
|
bool getExtensionFeatures(unsigned Extensions,
|
|
std::vector<StringRef> &Features);
|
|
bool getArchFeatures(ArchKind AK, std::vector<StringRef> &Features);
|
|
|
|
StringRef getArchName(ArchKind AK);
|
|
unsigned getArchAttr(ArchKind AK);
|
|
StringRef getCPUAttr(ArchKind AK);
|
|
StringRef getSubArch(ArchKind AK);
|
|
StringRef getArchExtName(unsigned ArchExtKind);
|
|
StringRef getArchExtFeature(StringRef ArchExt);
|
|
unsigned checkArchVersion(StringRef Arch);
|
|
|
|
// Information by Name
|
|
unsigned getDefaultFPU(StringRef CPU, ArchKind AK);
|
|
unsigned getDefaultExtensions(StringRef CPU, ArchKind AK);
|
|
StringRef getDefaultCPU(StringRef Arch);
|
|
|
|
// Parser
|
|
unsigned parseFPU(StringRef FPU);
|
|
AArch64::ArchKind parseArch(StringRef Arch);
|
|
unsigned parseArchExt(StringRef ArchExt);
|
|
ArchKind parseCPUArch(StringRef CPU);
|
|
ARM::ISAKind parseArchISA(StringRef Arch);
|
|
ARM::EndianKind parseArchEndian(StringRef Arch);
|
|
ARM::ProfileKind parseArchProfile(StringRef Arch);
|
|
unsigned parseArchVersion(StringRef Arch);
|
|
|
|
} // namespace AArch64
|
|
} // namespace llvm
|
|
|
|
#endif
|