diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Support/AArch64TargetParser.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/Support/AArch64TargetParser.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/contrib/llvm-project/llvm/lib/Support/AArch64TargetParser.cpp b/contrib/llvm-project/llvm/lib/Support/AArch64TargetParser.cpp deleted file mode 100644 index e2579bf53260..000000000000 --- a/contrib/llvm-project/llvm/lib/Support/AArch64TargetParser.cpp +++ /dev/null @@ -1,205 +0,0 @@ -//===-- AArch64TargetParser - Parser for AArch64 features -------*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file implements a target parser to recognise AArch64 hardware features -// such as FPU/CPU/ARCH and extension names. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/AArch64TargetParser.h" -#include "llvm/ADT/StringSwitch.h" -#include "llvm/ADT/Triple.h" -#include <cctype> - -using namespace llvm; - -static unsigned checkArchVersion(llvm::StringRef Arch) { - if (Arch.size() >= 2 && Arch[0] == 'v' && std::isdigit(Arch[1])) - return (Arch[1] - 48); - return 0; -} - -unsigned AArch64::getDefaultFPU(StringRef CPU, AArch64::ArchKind AK) { - if (CPU == "generic") - return AArch64ARCHNames[static_cast<unsigned>(AK)].DefaultFPU; - - return StringSwitch<unsigned>(CPU) -#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \ - .Case(NAME, ARM::DEFAULT_FPU) -#include "../../include/llvm/Support/AArch64TargetParser.def" - .Default(ARM::FK_INVALID); -} - -uint64_t AArch64::getDefaultExtensions(StringRef CPU, AArch64::ArchKind AK) { - if (CPU == "generic") - return AArch64ARCHNames[static_cast<unsigned>(AK)].ArchBaseExtensions; - - return StringSwitch<uint64_t>(CPU) -#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \ - .Case(NAME, AArch64ARCHNames[static_cast<unsigned>(ArchKind::ID)] \ - .ArchBaseExtensions | \ - DEFAULT_EXT) -#include "../../include/llvm/Support/AArch64TargetParser.def" - .Default(AArch64::AEK_INVALID); -} - -AArch64::ArchKind AArch64::getCPUArchKind(StringRef CPU) { - if (CPU == "generic") - return ArchKind::ARMV8A; - - return StringSwitch<AArch64::ArchKind>(CPU) -#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \ - .Case(NAME, ArchKind::ID) -#include "../../include/llvm/Support/AArch64TargetParser.def" - .Default(ArchKind::INVALID); -} - -bool AArch64::getExtensionFeatures(uint64_t Extensions, - std::vector<StringRef> &Features) { - if (Extensions == AArch64::AEK_INVALID) - return false; - -#define AARCH64_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE) \ - if (Extensions & ID) { \ - const char *feature = FEATURE; \ - /* INVALID and NONE have no feature name. */ \ - if (feature) \ - Features.push_back(feature); \ - } -#include "../../include/llvm/Support/AArch64TargetParser.def" - - return true; -} - -bool AArch64::getArchFeatures(AArch64::ArchKind AK, - std::vector<StringRef> &Features) { - if (AK == ArchKind::ARMV8A) - Features.push_back("+v8a"); - if (AK == ArchKind::ARMV8_1A) - Features.push_back("+v8.1a"); - if (AK == ArchKind::ARMV8_2A) - Features.push_back("+v8.2a"); - if (AK == ArchKind::ARMV8_3A) - Features.push_back("+v8.3a"); - if (AK == ArchKind::ARMV8_4A) - Features.push_back("+v8.4a"); - if (AK == ArchKind::ARMV8_5A) - Features.push_back("+v8.5a"); - if (AK == AArch64::ArchKind::ARMV8_6A) - Features.push_back("+v8.6a"); - if (AK == AArch64::ArchKind::ARMV8_7A) - Features.push_back("+v8.7a"); - if (AK == AArch64::ArchKind::ARMV8_8A) - Features.push_back("+v8.8a"); - if (AK == AArch64::ArchKind::ARMV9A) - Features.push_back("+v9a"); - if (AK == AArch64::ArchKind::ARMV9_1A) - Features.push_back("+v9.1a"); - if (AK == AArch64::ArchKind::ARMV9_2A) - Features.push_back("+v9.2a"); - if (AK == AArch64::ArchKind::ARMV9_3A) - Features.push_back("+v9.3a"); - if(AK == AArch64::ArchKind::ARMV8R) - Features.push_back("+v8r"); - - return AK != ArchKind::INVALID; -} - -StringRef AArch64::getArchName(AArch64::ArchKind AK) { - return AArch64ARCHNames[static_cast<unsigned>(AK)].getName(); -} - -StringRef AArch64::getCPUAttr(AArch64::ArchKind AK) { - return AArch64ARCHNames[static_cast<unsigned>(AK)].getCPUAttr(); -} - -StringRef AArch64::getSubArch(AArch64::ArchKind AK) { - return AArch64ARCHNames[static_cast<unsigned>(AK)].getSubArch(); -} - -unsigned AArch64::getArchAttr(AArch64::ArchKind AK) { - return AArch64ARCHNames[static_cast<unsigned>(AK)].ArchAttr; -} - -StringRef AArch64::getArchExtName(unsigned ArchExtKind) { - for (const auto &AE : AArch64ARCHExtNames) - if (ArchExtKind == AE.ID) - return AE.getName(); - return StringRef(); -} - -StringRef AArch64::getArchExtFeature(StringRef ArchExt) { - if (ArchExt.startswith("no")) { - StringRef ArchExtBase(ArchExt.substr(2)); - for (const auto &AE : AArch64ARCHExtNames) { - if (AE.NegFeature && ArchExtBase == AE.getName()) - return StringRef(AE.NegFeature); - } - } - - for (const auto &AE : AArch64ARCHExtNames) - if (AE.Feature && ArchExt == AE.getName()) - return StringRef(AE.Feature); - return StringRef(); -} - -StringRef AArch64::getDefaultCPU(StringRef Arch) { - ArchKind AK = parseArch(Arch); - if (AK == ArchKind::INVALID) - return StringRef(); - - // Look for multiple AKs to find the default for pair AK+Name. - for (const auto &CPU : AArch64CPUNames) - if (CPU.ArchID == AK && CPU.Default) - return CPU.getName(); - - // If we can't find a default then target the architecture instead - return "generic"; -} - -void AArch64::fillValidCPUArchList(SmallVectorImpl<StringRef> &Values) { - for (const auto &Arch : AArch64CPUNames) { - if (Arch.ArchID != ArchKind::INVALID) - Values.push_back(Arch.getName()); - } -} - -bool AArch64::isX18ReservedByDefault(const Triple &TT) { - return TT.isAndroid() || TT.isOSDarwin() || TT.isOSFuchsia() || - TT.isOSWindows(); -} - -// Allows partial match, ex. "v8a" matches "armv8a". -AArch64::ArchKind AArch64::parseArch(StringRef Arch) { - Arch = ARM::getCanonicalArchName(Arch); - if (checkArchVersion(Arch) < 8) - return ArchKind::INVALID; - - StringRef Syn = ARM::getArchSynonym(Arch); - for (const auto &A : AArch64ARCHNames) { - if (A.getName().endswith(Syn)) - return A.ID; - } - return ArchKind::INVALID; -} - -AArch64::ArchExtKind AArch64::parseArchExt(StringRef ArchExt) { - for (const auto &A : AArch64ARCHExtNames) { - if (ArchExt == A.getName()) - return static_cast<ArchExtKind>(A.ID); - } - return AArch64::AEK_INVALID; -} - -AArch64::ArchKind AArch64::parseCPUArch(StringRef CPU) { - for (const auto &C : AArch64CPUNames) { - if (CPU == C.getName()) - return C.ArchID; - } - return ArchKind::INVALID; -} |