55b6a3186c
This takes the AARCH64_ARCH_EXT_NAME in AArch64TargetParser.def and uses it to generate all the "if bit is set add this feature name" code. Which gives us a bunch that we were missing. I've updated testing to include those and reordered them to match the order in the .def. The final part of the test will catch any missing extensions if we somehow manage to not generate an if block for them. This has changed the order of cc1's "-target-feature" output so I've updated some tests in clang to reflect that. Reviewed By: tmatheson Differential Revision: https://reviews.llvm.org/D123296
206 lines
6.7 KiB
C++
206 lines
6.7 KiB
C++
//===-- 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;
|
|
}
|