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[X86] Remove GetCpuIDAndInfo, GetCpuIDAndInfoEx and DetectFamilyModel functions from X86 MC layer. They haven't been used since CPU autodetection was removed from X86Subtarget.cpp.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233170 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2015-03-25 04:16:50 +00:00
parent afb57c0251
commit 5238b7f47a
2 changed files with 0 additions and 149 deletions
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137
lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
View File

@ -55,143 +55,6 @@ std::string X86_MC::ParseX86Triple(StringRef TT) {
return FS;
}
/// GetCpuIDAndInfo - Execute the specified cpuid and return the 4 values in the
/// specified arguments. If we can't run cpuid on the host, return true.
bool X86_MC::GetCpuIDAndInfo(unsigned value, unsigned *rEAX,
unsigned *rEBX, unsigned *rECX, unsigned *rEDX) {
#if defined(__x86_64__) || defined(_M_AMD64) || defined (_M_X64)
#if defined(__GNUC__)
// gcc doesn'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));
return false;
#elif defined(_MSC_VER)
int registers[4];
__cpuid(registers, value);
*rEAX = registers[0];
*rEBX = registers[1];
*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__)
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));
return false;
#elif defined(_MSC_VER)
__asm {
mov eax,value
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
}
/// 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)
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
#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,
unsigned &Model) {
Family = (EAX >> 8) & 0xf; // Bits 8 - 11
Model = (EAX >> 4) & 0xf; // Bits 4 - 7
if (Family == 6 || Family == 0xf) {
if (Family == 0xf)
// Examine extended family ID if family ID is F.
Family += (EAX >> 20) & 0xff; // Bits 20 - 27
// Examine extended model ID if family ID is 6 or F.
Model += ((EAX >> 16) & 0xf) << 4; // Bits 16 - 19
}
}
unsigned X86_MC::getDwarfRegFlavour(Triple TT, bool isEH) {
if (TT.getArch() == Triple::x86_64)
return DWARFFlavour::X86_64;

12
lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h
View File

@ -53,18 +53,6 @@ namespace N86 {
namespace X86_MC {
std::string ParseX86Triple(StringRef TT);
/// GetCpuIDAndInfo - Execute the specified cpuid and return the 4 values in
/// the specified arguments. If we can't run cpuid on the host, return true.
bool GetCpuIDAndInfo(unsigned value, unsigned *rEAX,
unsigned *rEBX, unsigned *rECX, unsigned *rEDX);
/// 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 GetCpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX,
unsigned *rEBX, unsigned *rECX, unsigned *rEDX);
void DetectFamilyModel(unsigned EAX, unsigned &Family, unsigned &Model);
unsigned getDwarfRegFlavour(Triple TT, bool isEH);
void InitLLVM2SEHRegisterMapping(MCRegisterInfo *MRI);