static std::string computeDataLayout(const SparcSubtarget &ST) {
// Sparc is big endian.
std::string Ret = "E-m:e";
// Some ABIs have 32bit pointers.
if (!ST.is64Bit())
Ret += "-p:32:32";
// Alignments for 64 bit integers.
Ret += "-i64:64";
// On SparcV9 128 floats are aligned to 128 bits, on others only to 64.
// On SparcV9 registers can hold 64 or 32 bits, on others only 32.
if (ST.is64Bit())
Ret += "-n32:64";
else
Ret += "-f128:64-n32";
if (ST.is64Bit())
Ret += "-S128";
else
Ret += "-S64";
return Ret;
}
SparcFrameLowering::SparcFrameLowering(const SparcSubtarget &ST)
: TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
ST.is64Bit() ? 16 : 8, 0, ST.is64Bit() ? 16 : 8) {}
