cpuid.7 requires cx=0 to select the extended feature leaf.
avx512 detection was using the non-indexed cpuid resulting
in random non-detection of avx512.
Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
(xgetbv() & (0x7 << 5)) && // OPMASK: upper-256 enabled by OS
((xgetbv() & 6) == 6)) { // XMM/YMM enabled by OS
uint32_t regs3[4];
- cpuid(0x00000007, regs3);
+ cpuid_count(0x00000007, 0x00000000, regs3);
util_cpu_caps.has_avx512f = (regs3[1] >> 16) & 1;
util_cpu_caps.has_avx512dq = (regs3[1] >> 17) & 1;
util_cpu_caps.has_avx512ifma = (regs3[1] >> 21) & 1;