diff options
Diffstat (limited to 'lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp')
| -rw-r--r-- | lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp | 105 |
1 files changed, 93 insertions, 12 deletions
diff --git a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp index f98d5e3..3482363 100644 --- a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp +++ b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp @@ -1,4 +1,4 @@ -//===-- X86MCTargetDesc.cpp - X86 Target Descriptions -----------*- C++ -*-===// +//===-- X86MCTargetDesc.cpp - X86 Target Descriptions ---------------------===// // // The LLVM Compiler Infrastructure // @@ -24,6 +24,7 @@ #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/ADT/Triple.h" #include "llvm/Support/Host.h" +#include "llvm/Support/ErrorHandling.h" #include "llvm/Support/TargetRegistry.h" #define GET_REGINFO_MC_DESC @@ -35,6 +36,10 @@ #define GET_SUBTARGETINFO_MC_DESC #include "X86GenSubtargetInfo.inc" +#if _MSC_VER +#include <intrin.h> +#endif + using namespace llvm; @@ -45,10 +50,6 @@ std::string X86_MC::ParseX86Triple(StringRef TT) { FS = "+64bit-mode"; else FS = "-64bit-mode"; - if (TheTriple.getOS() == Triple::NativeClient) - FS += ",+nacl-mode"; - else - FS += ",-nacl-mode"; return FS; } @@ -76,6 +77,8 @@ bool X86_MC::GetCpuIDAndInfo(unsigned value, unsigned *rEAX, *rECX = registers[2]; *rEDX = registers[3]; return false; + #else + return true; #endif #elif defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86) #if defined(__GNUC__) @@ -102,9 +105,81 @@ bool X86_MC::GetCpuIDAndInfo(unsigned value, unsigned *rEAX, mov dword ptr [esi],edx } return false; + #else + return true; #endif +#else + return true; #endif +} + +/// GetCpuIDAndInfoEx - Execute the specified cpuid with subleaf and return the +/// 4 values in the specified arguments. If we can't run cpuid on the host, +/// return true. +bool X86_MC::GetCpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX, + unsigned *rEBX, unsigned *rECX, unsigned *rEDX) { +#if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) + #if defined(__GNUC__) + // gcc desn't know cpuid would clobber ebx/rbx. Preseve it manually. + asm ("movq\t%%rbx, %%rsi\n\t" + "cpuid\n\t" + "xchgq\t%%rbx, %%rsi\n\t" + : "=a" (*rEAX), + "=S" (*rEBX), + "=c" (*rECX), + "=d" (*rEDX) + : "a" (value), + "c" (subleaf)); + return false; + #elif defined(_MSC_VER) + // __cpuidex was added in MSVC++ 9.0 SP1 + #if (_MSC_VER > 1500) || (_MSC_VER == 1500 && _MSC_FULL_VER >= 150030729) + int registers[4]; + __cpuidex(registers, value, subleaf); + *rEAX = registers[0]; + *rEBX = registers[1]; + *rECX = registers[2]; + *rEDX = registers[3]; + return false; + #else + return true; + #endif + #else + return true; + #endif +#elif defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86) + #if defined(__GNUC__) + asm ("movl\t%%ebx, %%esi\n\t" + "cpuid\n\t" + "xchgl\t%%ebx, %%esi\n\t" + : "=a" (*rEAX), + "=S" (*rEBX), + "=c" (*rECX), + "=d" (*rEDX) + : "a" (value), + "c" (subleaf)); + return false; + #elif defined(_MSC_VER) + __asm { + mov eax,value + mov ecx,subleaf + cpuid + mov esi,rEAX + mov dword ptr [esi],eax + mov esi,rEBX + mov dword ptr [esi],ebx + mov esi,rECX + mov dword ptr [esi],ecx + mov esi,rEDX + mov dword ptr [esi],edx + } + return false; + #else + return true; + #endif +#else return true; +#endif } void X86_MC::DetectFamilyModel(unsigned EAX, unsigned &Family, @@ -261,7 +336,8 @@ MCSubtargetInfo *X86_MC::createX86MCSubtargetInfo(StringRef TT, StringRef CPU, std::string CPUName = CPU; if (CPUName.empty()) { -#if defined (__x86_64__) || defined(__i386__) +#if defined(i386) || defined(__i386__) || defined(__x86__) || defined(_M_IX86)\ + || defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64) CPUName = sys::getHostCPUName(); #else CPUName = "generic"; @@ -303,8 +379,10 @@ static MCAsmInfo *createX86MCAsmInfo(const Target &T, StringRef TT) { MAI = new X86_64MCAsmInfoDarwin(TheTriple); else MAI = new X86MCAsmInfoDarwin(TheTriple); - } else if (TheTriple.isOSWindows()) { - MAI = new X86MCAsmInfoCOFF(TheTriple); + } else if (TheTriple.getOS() == Triple::Win32) { + MAI = new X86MCAsmInfoMicrosoft(TheTriple); + } else if (TheTriple.getOS() == Triple::MinGW32 || TheTriple.getOS() == Triple::Cygwin) { + MAI = new X86MCAsmInfoGNUCOFF(TheTriple); } else { MAI = new X86ELFMCAsmInfo(TheTriple); } @@ -327,7 +405,8 @@ static MCAsmInfo *createX86MCAsmInfo(const Target &T, StringRef TT) { } static MCCodeGenInfo *createX86MCCodeGenInfo(StringRef TT, Reloc::Model RM, - CodeModel::Model CM) { + CodeModel::Model CM, + CodeGenOpt::Level OL) { MCCodeGenInfo *X = new MCCodeGenInfo(); Triple T(TT); @@ -371,7 +450,7 @@ static MCCodeGenInfo *createX86MCCodeGenInfo(StringRef TT, Reloc::Model RM, // 64-bit JIT places everything in the same buffer except external funcs. CM = is64Bit ? CodeModel::Large : CodeModel::Small; - X->InitMCCodeGenInfo(RM, CM); + X->InitMCCodeGenInfo(RM, CM, OL); return X; } @@ -395,11 +474,13 @@ static MCStreamer *createMCStreamer(const Target &T, StringRef TT, static MCInstPrinter *createX86MCInstPrinter(const Target &T, unsigned SyntaxVariant, const MCAsmInfo &MAI, + const MCInstrInfo &MII, + const MCRegisterInfo &MRI, const MCSubtargetInfo &STI) { if (SyntaxVariant == 0) - return new X86ATTInstPrinter(MAI); + return new X86ATTInstPrinter(MAI, MII, MRI); if (SyntaxVariant == 1) - return new X86IntelInstPrinter(MAI); + return new X86IntelInstPrinter(MAI, MII, MRI); return 0; } |
