/// Return the datalayout string of a subtarget.
static std::string getDataLayoutString(const PPCSubtarget &ST) {
const Triple &T = ST.getTargetTriple();
std::string Ret;
// Most PPC* platforms are big endian, PPC64LE is little endian.
if (ST.isLittleEndian())
Ret = "e";
else
Ret = "E";
Ret += DataLayout::getManglingComponent(T);
// PPC32 has 32 bit pointers. The PS3 (OS Lv2) is a PPC64 machine with 32 bit
// pointers.
if (!ST.isPPC64() || 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())
Ret += "-i64:64";
else
Ret += "-f64:32:64";
// PPC64 has 32 and 64 bit registers, PPC32 has only 32 bit ones.
if (ST.isPPC64())
Ret += "-n32:64";
else
Ret += "-n32";
return Ret;
}
PPCJITInfo::PPCJITInfo(PPCSubtarget &STI)
: Subtarget(STI), is64Bit(STI.isPPC64()) {
useGOT = 0;
}
