//===----------------------------------------------------------------------===//
#include "PPCSubtarget.h"
-#include "PPCRegisterInfo.h"
#include "PPC.h"
-#include "llvm/GlobalValue.h"
-#include "llvm/Target/TargetMachine.h"
+#include "PPCRegisterInfo.h"
+#include "llvm/IR/GlobalValue.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Target/TargetMachine.h"
#include <cstdlib>
#define GET_SUBTARGETINFO_TARGET_DESC
, Use64BitRegs(false)
, IsPPC64(is64Bit)
, HasAltivec(false)
+ , HasQPX(false)
, HasFSQRT(false)
, HasSTFIWX(false)
+ , HasISEL(false)
, IsBookE(false)
, HasLazyResolverStubs(false)
, IsJITCodeModel(false)
std::string CPUName = CPU;
if (CPUName.empty())
CPUName = "generic";
-#if defined(__APPLE__) || \
- (defined(__linux__) && (defined(__ppc__) || defined(__powerpc__)))
+#if (defined(__APPLE__) || defined(__linux__)) && \
+ (defined(__ppc__) || defined(__powerpc__))
if (CPUName == "generic")
CPUName = sys::getHostCPUName();
#endif
- // Parse features string.
- ParseSubtargetFeatures(CPUName, FS);
-
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUName);
+ // Make sure 64-bit features are available when CPUname is generic
+ std::string FullFS = FS;
+
// If we are generating code for ppc64, verify that options make sense.
if (is64Bit) {
Has64BitSupport = true;
// Silently force 64-bit register use on ppc64.
Use64BitRegs = true;
+ if (!FullFS.empty())
+ FullFS = "+64bit," + FullFS;
+ else
+ FullFS = "+64bit";
}
-
+
+ // Parse features string.
+ ParseSubtargetFeatures(CPUName, FullFS);
+
// If the user requested use of 64-bit regs, but the cpu selected doesn't
// support it, ignore.
if (use64BitRegs() && !has64BitSupport())
// Set up darwin-specific properties.
if (isDarwin())
HasLazyResolverStubs = true;
+
+ // QPX requires a 32-byte aligned stack. Note that we need to do this if
+ // we're compiling for a BG/Q system regardless of whether or not QPX
+ // is enabled because external functions will assume this alignment.
+ if (hasQPX() || isBGQ())
+ StackAlignment = 32;
}
/// SetJITMode - This is called to inform the subtarget info that we are