_mm_cvttsd_u64
Classification
AVX-512, Convert, CPUID Test: AVX512F
Header File
Instruction
VCVTTSD2USI r64, xmm
Synopsis
_mm_cvttsd_u64(__m128d a);
Description
Convert the lower double-precision (64-bit) floating-point element in "a" to an unsigned 64-bit integer with truncation, and store the result in "dst".
Operation
dst[63:0] := Convert_FP64_To_UInt64_Truncate(a[63:0])