_mm_cvttsd_si64x
Classification
SSE_ALL, Convert, CPUID Test: SSE2
Header File
emmintrin.h
Instruction
CVTTSD2SI r64, xmm
Synopsis
 _mm_cvttsd_si64x(__m128d a);
Description
Convert the lower double-precision (64-bit) floating-point element in "a" to a 64-bit integer with truncation, and store the result in "dst".
Operation
dst[63:0] := Convert_FP64_To_Int64_Truncate(a[63:0])