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Add a -march=powerpc option. Automatically select it if this looks like a

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big-endian, 32-bit module, or if __ppc__, __POWERPC__, or __APPLE__ are
defined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11075 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2004-02-02 19:06:12 +00:00
parent 7ca255b76c
commit 2217bdbf68
1 changed files with 10 additions and 1 deletions
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11
tools/llc/llc.cpp
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@ -37,12 +37,13 @@ OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
enum ArchName { noarch, x86, Sparc };
enum ArchName { noarch, x86, Sparc, PowerPC };
static cl::opt<ArchName>
Arch("march", cl::desc("Architecture to generate assembly for:"), cl::Prefix,
cl::values(clEnumVal(x86, " IA-32 (Pentium and above)"),
clEnumValN(Sparc, "sparc", " SPARC V9"),
clEnumValN(PowerPC, "powerpc", " PowerPC"),
0),
cl::init(noarch));
@ -87,6 +88,9 @@ int main(int argc, char **argv) {
case Sparc:
TargetMachineAllocator = allocateSparcTargetMachine;
break;
case PowerPC:
TargetMachineAllocator = allocatePowerPCTargetMachine;
break;
default:
// Decide what the default target machine should be, by looking at
// the module. This heuristic (ILP32, LE -> IA32; LP64, BE ->
@ -95,6 +99,9 @@ int main(int argc, char **argv) {
if (mod.getEndianness() == Module::LittleEndian &&
mod.getPointerSize() == Module::Pointer32) {
TargetMachineAllocator = allocateX86TargetMachine;
} else if (mod.getEndianness() == Module::BigEndian &&
mod.getPointerSize() == Module::Pointer32) {
TargetMachineAllocator = allocatePowerPCTargetMachine;
} else if (mod.getEndianness() == Module::BigEndian &&
mod.getPointerSize() == Module::Pointer64) {
TargetMachineAllocator = allocateSparcTargetMachine;
@ -105,6 +112,8 @@ int main(int argc, char **argv) {
TargetMachineAllocator = allocateX86TargetMachine;
#elif defined(sparc) || defined(__sparc__) || defined(__sparcv9)
TargetMachineAllocator = allocateSparcTargetMachine;
#elif defined(__POWERPC__) || defined(__ppc__) || defined(__APPLE__)
TargetMachineAllocator = allocatePowerPCTargetMachine;
#else
std::cerr << argv[0] << ": module does not specify a target to use. "
<< "You must use the -march option.\n";