_mm_cvttss_i64
Classification
AVX-512, Convert, CPUID Test: AVX512F
Header File
immintrin.h
Instruction
VCVTTSS2SI r64, xmm
Synopsis
 _mm_cvttss_i64(__m128 a);
Description
Convert the lower single-precision (32-bit) floating-point element in "a" to a 64-bit integer with truncation, and store the result in "dst".
Operation
dst[63:0] := Convert_FP32_To_Int64_Truncate(a[31:0])