mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 00:11:00 +00:00
3c304a3ba1
depending on the command line option. Now the command line option just sets the subtarget as appropriate. G5 opts will now default to on on G5-enabled nightly testers among other machines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22688 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//===- PowerPCSubtarget.cpp - PPC Subtarget Information ---------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Nate Begeman and is distributed under the
|
|
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the PPC specific subclass of TargetSubtarget.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "PowerPCSubtarget.h"
|
|
#include "PowerPC.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
using namespace llvm;
|
|
PPCTargetEnum llvm::PPCTarget = TargetDefault;
|
|
|
|
namespace llvm {
|
|
cl::opt<PPCTargetEnum, true>
|
|
PPCTargetArg(cl::desc("Force generation of code for a specific PPC target:"),
|
|
cl::values(
|
|
clEnumValN(TargetAIX, "aix", " Enable AIX codegen"),
|
|
clEnumValN(TargetDarwin,"darwin"," Enable Darwin codegen"),
|
|
clEnumValEnd),
|
|
cl::location(PPCTarget), cl::init(TargetDefault));
|
|
cl::opt<bool> EnableGPOPT("enable-gpopt", cl::Hidden,
|
|
cl::desc("Enable optimizations for GP cpus"));
|
|
}
|
|
|
|
#if defined(__APPLE__)
|
|
#include <mach/mach.h>
|
|
#include <mach/mach_host.h>
|
|
#include <mach/host_info.h>
|
|
#include <mach/machine.h>
|
|
|
|
static boolean_t IsGP() {
|
|
host_basic_info_data_t hostInfo;
|
|
mach_msg_type_number_t infoCount;
|
|
|
|
infoCount = HOST_BASIC_INFO_COUNT;
|
|
host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo,
|
|
&infoCount);
|
|
|
|
return ((hostInfo.cpu_type == CPU_TYPE_POWERPC) &&
|
|
(hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970));
|
|
}
|
|
#endif
|
|
|
|
PPCSubtarget::PPCSubtarget(const Module &M)
|
|
: StackAlignment(16), IsGigaProcessor(false), IsAIX(false), IsDarwin(false) {
|
|
|
|
// Set the boolean corresponding to the current target triple, or the default
|
|
// if one cannot be determined, to true.
|
|
const std::string& TT = M.getTargetTriple();
|
|
if (TT.length() > 5) {
|
|
IsDarwin = TT.find("darwin") != std::string::npos;
|
|
#if defined(__APPLE__)
|
|
IsGigaProcessor = IsGP();
|
|
#endif
|
|
} else if (TT.empty()) {
|
|
#if defined(_POWER)
|
|
IsAIX = true;
|
|
#elif defined(__APPLE__)
|
|
IsDarwin = true;
|
|
IsGigaProcessor = IsGP();
|
|
#endif
|
|
}
|
|
|
|
// If GP opts are forced on by the commandline, do so now.
|
|
if (EnableGPOPT) IsGigaProcessor = true;
|
|
}
|