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First baby step towards ppc64 support. This adds a new -march=ppc64 backend

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that is currently just like ppc32 :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28813 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-06-16 01:37:27 +00:00
parent 1127315562
commit 94de9a8951
4 changed files with 88 additions and 26 deletions
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59
lib/Target/PowerPC/PPCTargetMachine.cpp
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@@ -29,19 +29,29 @@ using namespace llvm;
namespace {
// Register the targets
RegisterTarget<PPCTargetMachine>
X("ppc32", " PowerPC");
RegisterTarget<PPC32TargetMachine>
X("ppc32", " PowerPC 32");
RegisterTarget<PPC64TargetMachine>
Y("ppc64", " PowerPC 64");
}
unsigned PPCTargetMachine::getJITMatchQuality() {
unsigned PPC32TargetMachine::getJITMatchQuality() {
#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
return 10;
if (sizeof(void*) == 4)
return 10;
#else
return 0;
#endif
}
unsigned PPC64TargetMachine::getJITMatchQuality() {
#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
if (sizeof(void*) == 8)
return 10 * 0/*FIXME: not PPC64-JIT support yet! */;
#endif
return 0;
}
unsigned PPCTargetMachine::getModuleMatchQuality(const Module &M) {
unsigned PPC32TargetMachine::getModuleMatchQuality(const Module &M) {
// We strongly match "powerpc-*".
std::string TT = M.getTargetTriple();
if (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "powerpc-")
@@ -57,11 +67,31 @@ unsigned PPCTargetMachine::getModuleMatchQuality(const Module &M) {
return getJITMatchQuality()/2;
}
PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS)
: TargetMachine("PowerPC"),
DataLayout(std::string("PowerPC"), std::string("E-p:32:32-d:32-l:32")),
Subtarget(M, FS), FrameInfo(*this, false), JITInfo(*this),
TLInfo(*this), InstrItins(Subtarget.getInstrItineraryData()) {
unsigned PPC64TargetMachine::getModuleMatchQuality(const Module &M) {
// We strongly match "powerpc64-*".
std::string TT = M.getTargetTriple();
if (TT.size() >= 10 && std::string(TT.begin(), TT.begin()+10) == "powerpc64-")
return 20;
if (M.getEndianness() == Module::BigEndian &&
M.getPointerSize() == Module::Pointer64)
return 10; // Weak match
else if (M.getEndianness() != Module::AnyEndianness ||
M.getPointerSize() != Module::AnyPointerSize)
return 0; // Match for some other target
return getJITMatchQuality()/2;
}
PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
bool is64Bit)
: TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit),
DataLayout(std::string("PowerPC"),
std::string(Subtarget.getTargetDataString())),
FrameInfo(*this, false), JITInfo(*this), TLInfo(*this),
InstrItins(Subtarget.getInstrItineraryData()) {
if (TargetDefault == PPCTarget) {
if (Subtarget.isAIX()) PPCTarget = TargetAIX;
if (Subtarget.isDarwin()) PPCTarget = TargetDarwin;
@@ -73,6 +103,15 @@ PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS)
setRelocationModel(Reloc::PIC);
}
PPC32TargetMachine::PPC32TargetMachine(const Module &M, const std::string &FS)
: PPCTargetMachine(M, FS, false) {
}
PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
: PPCTargetMachine(M, FS, true) {
}
/// addPassesToEmitFile - Add passes to the specified pass manager to implement
/// a static compiler for this target.
///