#include "X86InstrInfo.h"
#include "X86GenSubtarget.inc"
#include "llvm/GlobalValue.h"
-#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include <intrin.h>
#endif
-static cl::opt<X86Subtarget::AsmWriterFlavorTy>
-AsmWriterFlavor("x86-asm-syntax", cl::init(X86Subtarget::Unset),
- cl::desc("Choose style of code to emit from X86 backend:"),
- cl::values(
- clEnumValN(X86Subtarget::ATT, "att", "Emit AT&T-style assembly"),
- clEnumValN(X86Subtarget::Intel, "intel", "Emit Intel-style assembly"),
- clEnumValEnd));
-
/// ClassifyGlobalReference - Classify a global variable reference for the
/// current subtarget according to how we should reference it in a non-pcrel
/// context.
// normal $non_lazy_ptr stub because this symbol might be resolved late.
if (!GV->hasHiddenVisibility()) // Non-hidden $non_lazy_ptr reference.
return X86II::MO_DARWIN_NONLAZY;
-
- // If symbol visibility is hidden, we have a stub for common symbol
- // references and external declarations.
- if (isDecl || GV->hasCommonLinkage()) {
- // Hidden $non_lazy_ptr reference.
- return X86II::MO_DARWIN_HIDDEN_NONLAZY;
- }
-
+
// Otherwise, no stub.
return X86II::MO_NO_FLAG;
}
/// 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::GetCpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX,
- unsigned *rECX, unsigned *rEDX) {
-#if defined(__x86_64__) || defined(_M_AMD64)
+static bool 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"
char c[12];
} text;
- if (X86::GetCpuIDAndInfo(0, &EAX, text.u+0, text.u+2, text.u+1))
+ if (GetCpuIDAndInfo(0, &EAX, text.u+0, text.u+2, text.u+1))
return;
- X86::GetCpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX);
+ GetCpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX);
- if ((EDX >> 23) & 0x1) X86SSELevel = MMX;
- if ((EDX >> 25) & 0x1) X86SSELevel = SSE1;
- if ((EDX >> 26) & 0x1) X86SSELevel = SSE2;
- if (ECX & 0x1) X86SSELevel = SSE3;
- if ((ECX >> 9) & 0x1) X86SSELevel = SSSE3;
- if ((ECX >> 19) & 0x1) X86SSELevel = SSE41;
- if ((ECX >> 20) & 0x1) X86SSELevel = SSE42;
+ if ((EDX >> 15) & 1) HasCMov = true;
+ if ((EDX >> 23) & 1) X86SSELevel = MMX;
+ if ((EDX >> 25) & 1) X86SSELevel = SSE1;
+ if ((EDX >> 26) & 1) X86SSELevel = SSE2;
+ if (ECX & 0x1) X86SSELevel = SSE3;
+ if ((ECX >> 9) & 1) X86SSELevel = SSSE3;
+ if ((ECX >> 19) & 1) X86SSELevel = SSE41;
+ if ((ECX >> 20) & 1) X86SSELevel = SSE42;
bool IsIntel = memcmp(text.c, "GenuineIntel", 12) == 0;
bool IsAMD = !IsIntel && memcmp(text.c, "AuthenticAMD", 12) == 0;
DetectFamilyModel(EAX, Family, Model);
IsBTMemSlow = IsAMD || (Family == 6 && Model >= 13);
- X86::GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
+ GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
HasX86_64 = (EDX >> 29) & 0x1;
HasSSE4A = IsAMD && ((ECX >> 6) & 0x1);
HasFMA4 = IsAMD && ((ECX >> 16) & 0x1);
static const char *GetCurrentX86CPU() {
unsigned EAX = 0, EBX = 0, ECX = 0, EDX = 0;
- if (X86::GetCpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX))
+ if (GetCpuIDAndInfo(0x1, &EAX, &EBX, &ECX, &EDX))
return "generic";
unsigned Family = 0;
unsigned Model = 0;
DetectFamilyModel(EAX, Family, Model);
- X86::GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
+ GetCpuIDAndInfo(0x80000001, &EAX, &EBX, &ECX, &EDX);
bool Em64T = (EDX >> 29) & 0x1;
bool HasSSE3 = (ECX & 0x1);
char c[12];
} text;
- X86::GetCpuIDAndInfo(0, &EAX, text.u+0, text.u+2, text.u+1);
+ GetCpuIDAndInfo(0, &EAX, text.u+0, text.u+2, text.u+1);
if (memcmp(text.c, "GenuineIntel", 12) == 0) {
switch (Family) {
case 3:
X86Subtarget::X86Subtarget(const std::string &TT, const std::string &FS,
bool is64Bit)
- : AsmFlavor(AsmWriterFlavor)
- , PICStyle(PICStyles::None)
+ : PICStyle(PICStyles::None)
, X86SSELevel(NoMMXSSE)
, X863DNowLevel(NoThreeDNow)
+ , HasCMov(false)
, HasX86_64(false)
, HasSSE4A(false)
, HasAVX(false)
}
}
- // If the asm syntax hasn't been overridden on the command line, use whatever
- // the target wants.
- if (AsmFlavor == X86Subtarget::Unset) {
- AsmFlavor = (TargetType == isWindows)
- ? X86Subtarget::Intel : X86Subtarget::ATT;
- }
-
// Stack alignment is 16 bytes on Darwin (both 32 and 64 bit) and for all 64
// bit targets.
if (TargetType == isDarwin || Is64Bit)