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getX86TargetCPU cleanup.

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This commit is contained in:
David Nadlinger
2013-10-06 01:41:46 +02:00
parent d17aa2aaac
commit e57d0458fb
1 changed files with 5 additions and 6 deletions
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11
driver/targetmachine.cpp
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@@ -28,7 +28,7 @@ static std::string getX86TargetCPU(const std::string &cpu,
{
if (!cpu.empty()) {
if (cpu != "native")
return cpu;
return cpu;
// FIXME: Reject attempts to use -mcpu=native unless the target matches
// the host.
@@ -37,18 +37,17 @@ static std::string getX86TargetCPU(const std::string &cpu,
// with -native.
std::string cpu = llvm::sys::getHostCPUName();
if (!cpu.empty() && cpu != "generic")
return cpu;
return cpu;
}
// Select the default CPU if none was given (or detection failed).
bool is64Bit = triple.getArch() == llvm::Triple::x86_64;
// Intel Macs are relatively recent, take advantage of that.
if (triple.isOSDarwin())
return is64Bit ? "core2" : "yonah";
return triple.isArch64Bit() ? "core2" : "yonah";
// Everything else goes to x86-64 in 64-bit mode.
if (is64Bit)
if (triple.isArch64Bit())
return "x86-64";
if (triple.getOSName().startswith("haiku"))