1.27.0[−][src]Struct std::arch::x86_64::__m128d
128-bit wide set of two f64
types, x86-specific
This type is the same as the __m128d
type defined by Intel,
representing a 128-bit SIMD register which internally is consisted of
two packed f64
instances. Usage of this type typically corresponds
to the sse
and up target features for x86/x86_64.
Note that unlike __m128i
, the integer version of the 128-bit
registers, this __m128d
type has one interpretation. Each instance
of __m128d
always corresponds to f64x2
, or two f64
types packed
together.
Most intrinsics using __m128d
are prefixed with _mm_
and are
suffixed with "pd" (or otherwise contain "pd"). Not to be confused with
"ps" which is used for __m128
.
Examples
#[cfg(target_arch = "x86")] use std::arch::x86::*; #[cfg(target_arch = "x86_64")] use std::arch::x86_64::*; let two_zeros = _mm_setzero_pd(); let two_ones = _mm_set1_pd(1.0); let two_floats = _mm_set_pd(1.0, 2.0);Run
Trait Implementations
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impl<T> From for T
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