diff options
Diffstat (limited to 'lib/Support/Host.cpp')
| -rw-r--r-- | lib/Support/Host.cpp | 41 |
1 files changed, 12 insertions, 29 deletions
diff --git a/lib/Support/Host.cpp b/lib/Support/Host.cpp index 9f22f89b3c9ef..5cf0316d4d718 100644 --- a/lib/Support/Host.cpp +++ b/lib/Support/Host.cpp @@ -250,6 +250,8 @@ StringRef sys::detail::getHostCPUNameForS390x( Pos += sizeof("machine = ") - 1; unsigned int Id; if (!Lines[I].drop_front(Pos).getAsInteger(10, Id)) { + if (Id >= 3906 && HaveVectorSupport) + return "z14"; if (Id >= 2964 && HaveVectorSupport) return "z13"; if (Id >= 2827) @@ -460,8 +462,8 @@ static bool getX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, static bool getX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX, unsigned *rEBX, unsigned *rECX, unsigned *rEDX) { -#if defined(__x86_64__) || defined(_M_X64) #if defined(__GNUC__) || defined(__clang__) +#if defined(__x86_64__) // gcc doesn't know cpuid would clobber ebx/rbx. Preserve it manually. // FIXME: should we save this for Clang? __asm__("movq\t%%rbx, %%rsi\n\t" @@ -470,43 +472,24 @@ static bool getX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, : "=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(_M_IX86) -#if defined(__GNUC__) || defined(__clang__) +#elif defined(__i386__) __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 +#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 |