Developer Guide and Reference

Contents

_mm256_castpd_si256

Typecasts double-precision floating point values to integer values. No corresponding Intel® AVX instruction.

Syntax

extern __m256i _mm256_castpd_si256(__m256d a);
Arguments
a
float64 source vector
Description
Performs a typecast operation from double-precision floating point values (float64 values) to integer values. This intrinsic does not introduce extra moves to the generated code. Source operand bits are passed unchanged to the result.
Returns
A vector with 256-bit integer values.

Product and Performance Information

1

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2,