#include "Math.hpp"
-#include "CPUID.hpp"
-
namespace sw
{
inline uint64_t FNV_1a(uint64_t hash, unsigned char data)
uint64_t FNV_1a(const unsigned char *data, int size)
{
int64_t hash = 0xCBF29CE484222325;
-
+
for(int i = 0; i < size; i++)
{
hash = FNV_1a(hash, data[i]);
#include "FrameBuffer.hpp"
#include "Timer.hpp"
-#include "CPUID.hpp"
#include "Renderer/Surface.hpp"
#include "Reactor/Reactor.hpp"
#include "Common/Debug.hpp"
Ice::Fdstream *out = nullptr;
}
+namespace
+{
+ class CPUID
+ {
+ public:
+ const static bool SSE4_1;
+
+ private:
+ static void cpuid(int registers[4], int info)
+ {
+ #if defined(_WIN32)
+ __cpuid(registers, info);
+ #else
+ __asm volatile("cpuid": "=a" (registers[0]), "=b" (registers[1]), "=c" (registers[2]), "=d" (registers[3]): "a" (info));
+ #endif
+ }
+
+ static bool detectSSE4_1()
+ {
+ int registers[4];
+ cpuid(registers, 1);
+ return (registers[2] & 0x00080000) != 0;
+ }
+ };
+
+ const bool CPUID::SSE4_1 = CPUID::detectSSE4_1();
+}
+
namespace sw
{
enum EmulatedType
Flags.setOutFileType(Ice::FT_Elf);
Flags.setOptLevel(Ice::Opt_2);
Flags.setApplicationBinaryInterface(Ice::ABI_Platform);
- Flags.setTargetInstructionSet(Ice::X86InstructionSet_SSE4_1);
+ Flags.setTargetInstructionSet(CPUID::SSE4_1 ? Ice::X86InstructionSet_SSE4_1 : Ice::X86InstructionSet_SSE2);
Flags.setVerbose(false ? Ice::IceV_All : Ice::IceV_None);
static llvm::raw_os_ostream cout(std::cout);