-//===- PowerPCSubtarget.cpp - PPC Subtarget Information ---------*- C++ -*-===//
+//===- PowerPCSubtarget.cpp - PPC Subtarget Information -------------------===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#include "PowerPCSubtarget.h"
-#include "PowerPC.h"
+#include "PPCSubtarget.h"
+#include "PPC.h"
#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Target/SubtargetFeature.h"
+#include "PPCGenSubtarget.inc"
using namespace llvm;
PPCTargetEnum llvm::PPCTarget = TargetDefault;
clEnumValN(TargetDarwin,"darwin",
" Enable Darwin codegen"),
clEnumValEnd),
- cl::location(PPCTarget), cl::init(TargetDefault));
-}
-
-enum PowerPCFeature {
- PowerPCFeature64Bit = 1 << 0,
- PowerPCFeatureAltivec = 1 << 1,
- PowerPCFeatureFSqrt = 1 << 2,
- PowerPCFeatureGPUL = 1 << 3,
-};
-
-/// Sorted (by key) array of values for CPU subtype.
-static const SubtargetFeatureKV PowerPCSubTypeKV[] = {
- { "601" , "Select the PowerPC 601 processor", 0 },
- { "602" , "Select the PowerPC 602 processor", 0 },
- { "603" , "Select the PowerPC 603 processor", 0 },
- { "603e" , "Select the PowerPC 603e processor", 0 },
- { "603ev" , "Select the PowerPC 603ev processor", 0 },
- { "604" , "Select the PowerPC 604 processor", 0 },
- { "604e" , "Select the PowerPC 604e processor", 0 },
- { "620" , "Select the PowerPC 620 processor", 0 },
- { "7400" , "Select the PowerPC 7400 (G4) processor",
- PowerPCFeatureAltivec },
- { "7450" , "Select the PowerPC 7450 (G4+) processor",
- PowerPCFeatureAltivec },
- { "750" , "Select the PowerPC 750 (G3) processor", 0 },
- { "970" , "Select the PowerPC 970 (G5 - GPUL) processor",
- PowerPCFeature64Bit | PowerPCFeatureAltivec |
- PowerPCFeatureFSqrt | PowerPCFeatureGPUL },
- { "g3" , "Select the PowerPC G3 (750) processor", 0 },
- { "g4" , "Select the PowerPC G4 (7400) processor",
- PowerPCFeatureAltivec },
- { "g4+" , "Select the PowerPC G4+ (7450) processor",
- PowerPCFeatureAltivec },
- { "g5" , "Select the PowerPC g5 (970 - GPUL) processor",
- PowerPCFeature64Bit | PowerPCFeatureAltivec |
- PowerPCFeatureFSqrt | PowerPCFeatureGPUL },
- { "generic", "Select instructions for a generic PowerPC processor", 0 }
-};
-/// Length of PowerPCSubTypeKV.
-static const unsigned PowerPCSubTypeKVSize = sizeof(PowerPCSubTypeKV)
- / sizeof(SubtargetFeatureKV);
-
-/// Sorted (by key) array of values for CPU features.
-static SubtargetFeatureKV PowerPCFeatureKV[] = {
- { "64bit" , "Should 64 bit instructions be used" , PowerPCFeature64Bit },
- { "altivec", "Should Altivec instructions be used" , PowerPCFeatureAltivec },
- { "fsqrt" , "Should the fsqrt instruction be used", PowerPCFeatureFSqrt },
- { "gpul" , "Should GPUL instructions be used" , PowerPCFeatureGPUL }
- };
-/// Length of PowerPCFeatureKV.
-static const unsigned PowerPCFeatureKVSize = sizeof(PowerPCFeatureKV)
- / sizeof(SubtargetFeatureKV);
-
-
+ cl::location(PPCTarget), cl::init(TargetDefault));
+}
+
#if defined(__APPLE__)
#include <mach/mach.h>
#include <mach/mach_host.h>
}
#endif
+
PPCSubtarget::PPCSubtarget(const Module &M, const std::string &FS)
- : StackAlignment(16), IsGigaProcessor(false), IsAIX(false), IsDarwin(false) {
+ : StackAlignment(16)
+ , InstrItins()
+ , IsGigaProcessor(false)
+ , Is64Bit(false)
+ , Has64BitRegs(false)
+ , HasAltivec(false)
+ , HasFSQRT(false)
+ , IsAIX(false)
+ , IsDarwin(false) {
// Determine default and user specified characteristics
- std::string CPU;
+ std::string CPU = "generic";
#if defined(__APPLE__)
CPU = GetCurrentPowerPCCPU();
#endif
- uint32_t Bits =
- SubtargetFeatures::Parse(FS, CPU,
- PowerPCSubTypeKV, PowerPCSubTypeKVSize,
- PowerPCFeatureKV, PowerPCFeatureKVSize);
- IsGigaProcessor = (Bits & PowerPCFeatureGPUL ) != 0;
- Is64Bit = (Bits & PowerPCFeature64Bit) != 0;
- HasFSQRT = (Bits & PowerPCFeatureFSqrt) != 0;
+
+ // Parse features string.
+ ParseSubtargetFeatures(FS, CPU);
// Set the boolean corresponding to the current target triple, or the default
// if one cannot be determined, to true.