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Add vec_sro

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Luca Barbato 2024-01-21 10:46:03 +00:00 • committed by Amanieu d'Antras
parent e3745d93c9
commit 1ffec54a84
1 changed files with 28 additions and 2 deletions
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30
library/stdarch/crates/core_arch/src/powerpc/altivec.rs
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@ -350,6 +350,8 @@ extern "C" {
#[link_name = "llvm.ppc.altivec.srl"]
fn vsr(a: vector_signed_int, b: vector_signed_int) -> vector_signed_int;
#[link_name = "llvm.ppc.altivec.sro"]
fn vsro(a: vector_signed_int, b: vector_signed_int) -> vector_signed_int;
}
macro_rules! s_t_l {
@ -2885,7 +2887,7 @@ mod sealed {
impl_vec_shift_long! { [VectorSrl vec_srl] (vsr) }
macro_rules! impl_vec_slo {
macro_rules! impl_vec_shift_octect {
([$Trait:ident $m:ident] ($f:ident)) => {
impl_vec_trait!{ [$Trait $m]+ $f (vector_unsigned_char, vector_signed_char) -> vector_unsigned_char }
impl_vec_trait!{ [$Trait $m]+ $f (vector_signed_char, vector_signed_char) -> vector_signed_char }
@ -2910,7 +2912,15 @@ mod sealed {
unsafe fn vec_slo(self, b: Other) -> Self::Result;
}
impl_vec_slo! { [VectorSlo vec_slo] (vslo) }
impl_vec_shift_octect! { [VectorSlo vec_slo] (vslo) }
#[unstable(feature = "stdarch_powerpc", issue = "111145")]
pub trait VectorSro<Other> {
type Result;
unsafe fn vec_sro(self, b: Other) -> Self::Result;
}
impl_vec_shift_octect! { [VectorSro vec_sro] (vsro) }
}
/// Vector Merge Low
@ -3111,6 +3121,22 @@ where
a.vec_slo(b)
}
/// Vector Shift Right by Octets
///
/// ## Endian considerations
/// This intrinsic is not endian-neutral, so uses of vec_sro in big-endian code must be rewritten
/// for little-endian targets. The shift count is in element 15 of b for big-endian, but in element
/// 0 of b for little-endian.
#[inline]
#[target_feature(enable = "altivec")]
#[unstable(feature = "stdarch_powerpc", issue = "111145")]
pub unsafe fn vec_sro<T, U>(a: T, b: U) -> <T as sealed::VectorSro<U>>::Result
where
T: sealed::VectorSro<U>,
{
a.vec_sro(b)
}
/// Vector Load Indexed.
#[inline]
#[target_feature(enable = "altivec")]