Page MenuHome
Differential D16742 Diff 58483 intern/cycles/util/system.cpp

Changeset View

Standalone View

View Options

intern/cycles/util/system.cpp

Show First 20 Lines • Show All 150 Lines • ▼ Show 20 Lines if (num >= 1) {
const bool sse = (result[3] & ((int)1 << 25)) != 0; const bool sse = (result[3] & ((int)1 << 25)) != 0;
const bool sse2 = (result[3] & ((int)1 << 26)) != 0; const bool sse2 = (result[3] & ((int)1 << 26)) != 0;
const bool sse3 = (result[2] & ((int)1 << 0)) != 0; const bool sse3 = (result[2] & ((int)1 << 0)) != 0;
const bool ssse3 = (result[2] & ((int)1 << 9)) != 0; const bool ssse3 = (result[2] & ((int)1 << 9)) != 0;
const bool sse41 = (result[2] & ((int)1 << 19)) != 0; const bool sse41 = (result[2] & ((int)1 << 19)) != 0;
/* const bool sse42 = (result[2] & ((int)1 << 20)) != 0; */ /* const bool sse42 = (result[2] & ((int)1 << 20)) != 0; */
const bool popcnt = (result[2] & ((int)1 << 23)) != 0;
const bool fma3 = (result[2] & ((int)1 << 12)) != 0; const bool fma3 = (result[2] & ((int)1 << 12)) != 0;
const bool os_uses_xsave_xrestore = (result[2] & ((int)1 << 27)) != 0; const bool os_uses_xsave_xrestore = (result[2] & ((int)1 << 27)) != 0;
const bool cpu_avx_support = (result[2] & ((int)1 << 28)) != 0; const bool cpu_avx_support = (result[2] & ((int)1 << 28)) != 0;
/* Simplify to combined capabilities for which we specialize kernels. */ /* Simplify to combined capabilities for which we specialize kernels. */
caps.sse2 = sse && sse2; caps.sse2 = sse && sse2;
caps.sse3 = sse && sse2 && sse3 && ssse3; caps.sse3 = sse && sse2 && sse3 && ssse3;
caps.sse41 = sse && sse2 && sse3 && ssse3 && sse41; caps.sse41 = sse && sse2 && sse3 && ssse3 && sse41;
Show All 14 Lines# endif
const bool avx = (xcr_feature_mask & 0x6) == 0x6; const bool avx = (xcr_feature_mask & 0x6) == 0x6;
const bool f16c = (result[2] & ((int)1 << 29)) != 0; const bool f16c = (result[2] & ((int)1 << 29)) != 0;
__cpuid(result, 0x00000007); __cpuid(result, 0x00000007);
bool bmi1 = (result[1] & ((int)1 << 3)) != 0; bool bmi1 = (result[1] & ((int)1 << 3)) != 0;
bool bmi2 = (result[1] & ((int)1 << 8)) != 0; bool bmi2 = (result[1] & ((int)1 << 8)) != 0;
bool avx2 = (result[1] & ((int)1 << 5)) != 0; bool avx2 = (result[1] & ((int)1 << 5)) != 0;
caps.avx = sse && sse2 && sse3 && ssse3 && sse41 && avx; caps.avx = sse && sse2 && sse3 && ssse3 && sse41 && avx && popcnt;
caps.avx2 = sse && sse2 && sse3 && ssse3 && sse41 && avx && f16c && avx2 && fma3 && bmi1 && caps.avx2 = sse && sse2 && sse3 && ssse3 && sse41 && avx && f16c && avx2 && fma3 && bmi1 &&
bmi2; bmi2 && popcnt;
} }
} }
caps_init = true; caps_init = true;
} }
return caps; return caps;
} }
▲ Show 20 Lines • Show All 89 Lines • Show Last 20 Lines