#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Host.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Target/TargetMachine.h"
#include <cstdlib>
static cl::opt<bool> UseSubRegLiveness("ppc-track-subreg-liveness",
cl::desc("Enable subregister liveness tracking for PPC"), cl::Hidden);
+static cl::opt<bool> QPXStackUnaligned("qpx-stack-unaligned",
+ cl::desc("Even when QPX is enabled the stack is not 32-byte aligned"),
+ cl::Hidden);
+
PPCSubtarget &PPCSubtarget::initializeSubtargetDependencies(StringRef CPU,
StringRef FS) {
initializeEnvironment();
return *this;
}
-PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &CPU,
+PPCSubtarget::PPCSubtarget(const Triple &TT, const std::string &CPU,
const std::string &FS, const PPCTargetMachine &TM)
: PPCGenSubtargetInfo(TT, CPU, FS), TargetTriple(TT),
IsPPC64(TargetTriple.getArch() == Triple::ppc64 ||
TargetTriple.getArch() == Triple::ppc64le),
- TargetABI(PPC_ABI_UNKNOWN),
- FrameLowering(initializeSubtargetDependencies(CPU, FS)), InstrInfo(*this),
- TLInfo(TM, *this), TSInfo(TM.getDataLayout()) {}
+ TM(TM), FrameLowering(initializeSubtargetDependencies(CPU, FS)),
+ InstrInfo(*this), TLInfo(TM, *this), TSInfo(TM.getDataLayout()) {}
void PPCSubtarget::initializeEnvironment() {
StackAlignment = 16;
HasVSX = false;
HasP8Vector = false;
HasP8Altivec = false;
+ HasP8Crypto = false;
HasFCPSGN = false;
HasFSQRT = false;
HasFRE = false;
HasFPCVT = false;
HasISEL = false;
HasPOPCNTD = false;
+ HasBPERMD = false;
+ HasExtDiv = false;
HasCMPB = false;
HasLDBRX = false;
IsBookE = false;
IsPPC4xx = false;
IsPPC6xx = false;
IsE500 = false;
- DeprecatedMFTB = false;
+ FeatureMFTB = false;
DeprecatedDST = false;
HasLazyResolverStubs = false;
HasICBT = false;
HasInvariantFunctionDescriptors = false;
+ HasPartwordAtomics = false;
+ HasDirectMove = false;
+ IsQPXStackUnaligned = false;
+ HasHTM = false;
}
void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
else
CPUName = "generic";
}
-#if (defined(__APPLE__) || defined(__linux__)) && \
- (defined(__ppc__) || defined(__powerpc__))
- if (CPUName == "generic")
- CPUName = sys::getHostCPUName();
-#endif
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUName);
// QPX requires a 32-byte aligned stack. Note that we need to do this if
// we're compiling for a BG/Q system regardless of whether or not QPX
// is enabled because external functions will assume this alignment.
- if (hasQPX() || isBGQ())
- StackAlignment = 32;
+ IsQPXStackUnaligned = QPXStackUnaligned;
+ StackAlignment = getPlatformStackAlignment();
// Determine endianness.
+ // FIXME: Part of the TargetMachine.
IsLittleEndian = (TargetTriple.getArch() == Triple::ppc64le);
-
- // Determine default ABI.
- if (TargetABI == PPC_ABI_UNKNOWN) {
- if (!isDarwin() && IsPPC64) {
- if (IsLittleEndian)
- TargetABI = PPC_ABI_ELFv2;
- else
- TargetABI = PPC_ABI_ELFv1;
- }
- }
}
/// hasLazyResolverStub - Return true if accesses to the specified global have
/// to go through a dyld lazy resolution stub. This means that an extra load
/// is required to get the address of the global.
-bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV,
- const TargetMachine &TM) const {
+bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV) const {
// We never have stubs if HasLazyResolverStubs=false or if in static mode.
if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static)
return false;
}
// This overrides the PostRAScheduler bit in the SchedModel for each CPU.
-bool PPCSubtarget::enablePostMachineScheduler() const { return true; }
+bool PPCSubtarget::enablePostRAScheduler() const { return true; }
PPCGenSubtargetInfo::AntiDepBreakMode PPCSubtarget::getAntiDepBreakMode() const {
return TargetSubtargetInfo::ANTIDEP_ALL;
return UseSubRegLiveness;
}
+bool PPCSubtarget::isELFv2ABI() const { return TM.isELFv2ABI(); }
+bool PPCSubtarget::isPPC64() const { return TM.isPPC64(); }