#include "PPCGenSubtargetInfo.inc"
/// Return the datalayout string of a subtarget.
-static std::string getDataLayoutString(const PPCSubtarget &ST) {
- const Triple &T = ST.getTargetTriple();
-
+static std::string getDataLayoutString(const Triple &T) {
+ bool is64Bit = T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le;
std::string Ret;
// Most PPC* platforms are big endian, PPC64LE is little endian.
- if (ST.isLittleEndian())
+ if (T.getArch() == Triple::ppc64le)
Ret = "e";
else
Ret = "E";
// PPC32 has 32 bit pointers. The PS3 (OS Lv2) is a PPC64 machine with 32 bit
// pointers.
- if (!ST.isPPC64() || T.getOS() == Triple::Lv2)
+ if (!is64Bit || T.getOS() == Triple::Lv2)
Ret += "-p:32:32";
// Note, the alignment values for f64 and i64 on ppc64 in Darwin
// documentation are wrong; these are correct (i.e. "what gcc does").
- if (ST.isPPC64() || ST.isSVR4ABI())
+ if (is64Bit || !T.isOSDarwin())
Ret += "-i64:64";
else
Ret += "-f64:32:64";
// PPC64 has 32 and 64 bit registers, PPC32 has only 32 bit ones.
- if (ST.isPPC64())
+ if (is64Bit)
Ret += "-n32:64";
else
Ret += "-n32";
PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &CPU,
const std::string &FS, PPCTargetMachine &TM,
- bool is64Bit, CodeGenOpt::Level OptLevel)
- : PPCGenSubtargetInfo(TT, CPU, FS), IsPPC64(is64Bit), TargetTriple(TT),
+ CodeGenOpt::Level OptLevel)
+ : PPCGenSubtargetInfo(TT, CPU, FS), TargetTriple(TT),
+ DL(getDataLayoutString(TargetTriple)),
+ IsPPC64(TargetTriple.getArch() == Triple::ppc64 ||
+ TargetTriple.getArch() == Triple::ppc64le),
OptLevel(OptLevel), TargetABI(PPC_ABI_UNKNOWN),
- FrameLowering(initializeSubtargetDependencies(CPU, FS)),
- DL(getDataLayoutString(*this)), InstrInfo(*this),
- TLInfo(TM), TSInfo(&DL) {}
+ FrameLowering(initializeSubtargetDependencies(CPU, FS)), InstrInfo(*this),
+ JITInfo(*this), TLInfo(TM), TSInfo(&DL) {}
+
+/// SetJITMode - This is called to inform the subtarget info that we are
+/// producing code for the JIT.
+void PPCSubtarget::SetJITMode() {
+ // JIT mode doesn't want lazy resolver stubs, it knows exactly where
+ // everything is. This matters for PPC64, which codegens in PIC mode without
+ // stubs.
+ HasLazyResolverStubs = false;
+
+ // Calls to external functions need to use indirect calls
+ IsJITCodeModel = true;
+}
void PPCSubtarget::resetSubtargetFeatures(const MachineFunction *MF) {
AttributeSet FnAttrs = MF->getFunction()->getAttributes();
DeprecatedMFTB = false;
DeprecatedDST = false;
HasLazyResolverStubs = false;
+ IsJITCodeModel = false;
}
void PPCSubtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {