miyuki created this revision.
miyuki added reviewers: simon_tatham, eli.friedman, ostannard, dmgreen.
Herald added subscribers: llvm-commits, cfe-commits, hiraditya, kristof.beyls.
Herald added projects: clang, LLVM.
This patch changes the underlying type of the ARM::ArchExtKind
enumeration to uint64_t and adjusts the related code.
The goal of the patch is to prepare the code base for a new
architecture extension.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D73906
Files:
clang/lib/Basic/Targets/ARM.cpp
clang/lib/Driver/ToolChains/Arch/ARM.cpp
llvm/include/llvm/Support/ARMTargetParser.h
llvm/lib/Support/ARMTargetParser.cpp
llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
llvm/unittests/Support/TargetParserTest.cpp
Index: llvm/unittests/Support/TargetParserTest.cpp
===================================================================
--- llvm/unittests/Support/TargetParserTest.cpp
+++ llvm/unittests/Support/TargetParserTest.cpp
@@ -32,7 +32,7 @@
};
bool testARMCPU(StringRef CPUName, StringRef ExpectedArch,
- StringRef ExpectedFPU, unsigned ExpectedFlags,
+ StringRef ExpectedFPU, uint64_t ExpectedFlags,
StringRef CPUAttr) {
ARM::ArchKind AK = ARM::parseCPUArch(CPUName);
bool pass = ARM::getArchName(AK).equals(ExpectedArch);
@@ -565,7 +565,7 @@
}
TEST(TargetParserTest, ARMExtensionFeatures) {
- std::map<unsigned, std::vector<StringRef>> Extensions;
+ std::map<uint64_t, std::vector<StringRef>> Extensions;
for (auto &Ext : ARM::ARCHExtNames) {
if (Ext.Feature && Ext.NegFeature)
Index: llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
===================================================================
--- llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -11726,7 +11726,7 @@
// when we start to table-generate them, and we can use the ARM
// flags below, that were generated by table-gen.
static const struct {
- const unsigned Kind;
+ const uint64_t Kind;
const FeatureBitset ArchCheck;
const FeatureBitset Features;
} Extensions[] = {
@@ -11775,7 +11775,7 @@
EnableFeature = false;
Name = Name.substr(2);
}
- unsigned FeatureKind = ARM::parseArchExt(Name);
+ uint64_t FeatureKind = ARM::parseArchExt(Name);
if (FeatureKind == ARM::AEK_INVALID)
return Error(ExtLoc, "unknown architectural extension: " + Name);
Index: llvm/lib/Support/ARMTargetParser.cpp
===================================================================
--- llvm/lib/Support/ARMTargetParser.cpp
+++ llvm/lib/Support/ARMTargetParser.cpp
@@ -367,7 +367,7 @@
.Default(ARM::FK_INVALID);
}
-unsigned ARM::getDefaultExtensions(StringRef CPU, ARM::ArchKind AK) {
+uint64_t ARM::getDefaultExtensions(StringRef CPU, ARM::ArchKind AK) {
if (CPU == "generic")
return ARM::ARCHNames[static_cast<unsigned>(AK)].ArchBaseExtensions;
@@ -380,7 +380,7 @@
.Default(ARM::AEK_INVALID);
}
-bool ARM::getHWDivFeatures(unsigned HWDivKind,
+bool ARM::getHWDivFeatures(uint64_t HWDivKind,
std::vector<StringRef> &Features) {
if (HWDivKind == AEK_INVALID)
@@ -399,7 +399,7 @@
return true;
}
-bool ARM::getExtensionFeatures(unsigned Extensions,
+bool ARM::getExtensionFeatures(uint64_t Extensions,
std::vector<StringRef> &Features) {
if (Extensions == AEK_INVALID)
@@ -431,7 +431,7 @@
return ARCHNames[static_cast<unsigned>(AK)].ArchAttr;
}
-StringRef ARM::getArchExtName(unsigned ArchExtKind) {
+StringRef ARM::getArchExtName(uint64_t ArchExtKind) {
for (const auto AE : ARCHExtNames) {
if (ArchExtKind == AE.ID)
return AE.getName();
@@ -532,7 +532,7 @@
return StartingNumFeatures != Features.size();
}
-StringRef ARM::getHWDivName(unsigned HWDivKind) {
+StringRef ARM::getHWDivName(uint64_t HWDivKind) {
for (const auto D : HWDivNames) {
if (HWDivKind == D.ID)
return D.getName();
@@ -555,7 +555,7 @@
return "generic";
}
-unsigned ARM::parseHWDiv(StringRef HWDiv) {
+uint64_t ARM::parseHWDiv(StringRef HWDiv) {
StringRef Syn = getHWDivSynonym(HWDiv);
for (const auto D : HWDivNames) {
if (Syn == D.getName())
@@ -564,7 +564,7 @@
return AEK_INVALID;
}
-unsigned ARM::parseArchExt(StringRef ArchExt) {
+uint64_t ARM::parseArchExt(StringRef ArchExt) {
for (const auto A : ARCHExtNames) {
if (ArchExt == A.getName())
return A.ID;
Index: llvm/include/llvm/Support/ARMTargetParser.h
===================================================================
--- llvm/include/llvm/Support/ARMTargetParser.h
+++ llvm/include/llvm/Support/ARMTargetParser.h
@@ -24,7 +24,7 @@
// Arch extension modifiers for CPUs.
// Note that this is not the same as the AArch64 list
-enum ArchExtKind : unsigned {
+enum ArchExtKind : uint64_t {
AEK_INVALID = 0,
AEK_NONE = 1,
AEK_CRC = 1 << 1,
@@ -47,11 +47,11 @@
AEK_FP_DP = 1 << 18,
AEK_LOB = 1 << 19,
// Unsupported extensions.
- AEK_OS = 0x8000000,
- AEK_IWMMXT = 0x10000000,
- AEK_IWMMXT2 = 0x20000000,
- AEK_MAVERICK = 0x40000000,
- AEK_XSCALE = 0x80000000,
+ AEK_OS = 1ULL << 59,
+ AEK_IWMMXT = 1ULL << 60,
+ AEK_IWMMXT2 = 1ULL << 61,
+ AEK_MAVERICK = 1ULL << 62,
+ AEK_XSCALE = 1ULL << 63,
};
// List of Arch Extension names.
@@ -59,7 +59,7 @@
struct ExtName {
const char *NameCStr;
size_t NameLength;
- unsigned ID;
+ uint64_t ID;
const char *Feature;
const char *NegFeature;
@@ -102,7 +102,7 @@
size_t NameLength;
T ArchID;
bool Default; // is $Name the default CPU for $ArchID ?
- unsigned DefaultExtensions;
+ uint64_t DefaultExtensions;
StringRef getName() const { return StringRef(NameCStr, NameLength); }
};
@@ -225,33 +225,33 @@
// 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,
+bool getHWDivFeatures(uint64_t HWDivKind, std::vector<StringRef> &Features);
+bool getExtensionFeatures(uint64_t 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 getArchExtName(uint64_t ArchExtKind);
StringRef getArchExtFeature(StringRef ArchExt);
bool appendArchExtFeatures(StringRef CPU, ARM::ArchKind AK, StringRef ArchExt,
std::vector<StringRef> &Features);
-StringRef getHWDivName(unsigned HWDivKind);
+StringRef getHWDivName(uint64_t HWDivKind);
// Information by Name
unsigned getDefaultFPU(StringRef CPU, ArchKind AK);
-unsigned getDefaultExtensions(StringRef CPU, ArchKind AK);
+uint64_t getDefaultExtensions(StringRef CPU, ArchKind AK);
StringRef getDefaultCPU(StringRef Arch);
StringRef getCanonicalArchName(StringRef Arch);
StringRef getFPUSynonym(StringRef FPU);
StringRef getArchSynonym(StringRef Arch);
// Parser
-unsigned parseHWDiv(StringRef HWDiv);
+uint64_t parseHWDiv(StringRef HWDiv);
unsigned parseFPU(StringRef FPU);
ArchKind parseArch(StringRef Arch);
-unsigned parseArchExt(StringRef ArchExt);
+uint64_t parseArchExt(StringRef ArchExt);
ArchKind parseCPUArch(StringRef CPU);
ISAKind parseArchISA(StringRef Arch);
EndianKind parseArchEndian(StringRef Arch);
Index: clang/lib/Driver/ToolChains/Arch/ARM.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Arch/ARM.cpp
+++ clang/lib/Driver/ToolChains/Arch/ARM.cpp
@@ -57,7 +57,7 @@
static void getARMHWDivFeatures(const Driver &D, const Arg *A,
const ArgList &Args, StringRef HWDiv,
std::vector<StringRef> &Features) {
- unsigned HWDivID = llvm::ARM::parseHWDiv(HWDiv);
+ uint64_t HWDivID = llvm::ARM::parseHWDiv(HWDiv);
if (!llvm::ARM::getHWDivFeatures(HWDivID, Features))
D.Diag(clang::diag::err_drv_clang_unsupported) << A->getAsString(Args);
}
@@ -91,7 +91,7 @@
CPU = CPU.split("+").first;
if (CPU != "generic") {
llvm::ARM::ArchKind ArchKind = llvm::ARM::parseCPUArch(CPU);
- unsigned Extension = llvm::ARM::getDefaultExtensions(CPU, ArchKind);
+ uint64_t Extension = llvm::ARM::getDefaultExtensions(CPU, ArchKind);
llvm::ARM::getExtensionFeatures(Extension, Features);
}
}
Index: clang/lib/Basic/Targets/ARM.cpp
===================================================================
--- clang/lib/Basic/Targets/ARM.cpp
+++ clang/lib/Basic/Targets/ARM.cpp
@@ -372,7 +372,7 @@
llvm::ARM::getFPUFeatures(FPUKind, TargetFeatures);
// get default Extension features
- unsigned Extensions = llvm::ARM::getDefaultExtensions(CPU, Arch);
+ uint64_t Extensions = llvm::ARM::getDefaultExtensions(CPU, Arch);
llvm::ARM::getExtensionFeatures(Extensions, TargetFeatures);
for (auto Feature : TargetFeatures)
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