Function core::arch::x86::_mm_castps_pd1.27.0[−][src]

pub unsafe fn _mm_castps_pd(a: __m128) -> __m128d

This is supported on x86 and target feature sse2 only.

Expand description

将 [4 x float] 的 128 位浮点 vector 转换为 [2 x double] 的 128 位浮点 vector。