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Add Altivec vec_cmpb

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Luca Barbato 2019-05-17 14:30:22 +00:00 • committed by gnzlbg
parent 505680506b
commit 5329b456ef
1 changed files with 27 additions and 1 deletions
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28
library/stdarch/crates/core_arch/src/powerpc/altivec.rs
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@ -209,6 +209,9 @@ extern "C" {
#[link_name = "llvm.ceil.v4f32"]
fn vceil(a: vector_float) -> vector_float;
#[link_name = "llvm.ppc.altivec.vcmpbfp"]
fn vcmpbfp(a: vector_float, b: vector_float) -> vector_signed_int;
}
macro_rules! s_t_l {
@ -365,6 +368,8 @@ mod sealed {
}
}
test_impl! { vec_vcmpbfp(a: vector_float, b: vector_float) -> vector_signed_int [vcmpbfp, vcmpbfp] }
test_impl! { vec_vceil(a: vector_float) -> vector_float [vceil, vrfip / xvrspip ] }
test_impl! { vec_vavgsb(a: vector_signed_char, b: vector_signed_char) -> vector_signed_char [ vavgsb, vavgsb ] }
@ -1284,7 +1289,14 @@ mod sealed {
vector_mladd! { vector_signed_short, vector_signed_short, vector_signed_short }
}
/// Vector ceil.
/// Vector cmpb.
#[inline]
#[target_feature(enable = "altivec")]
pub unsafe fn vec_cmpb(a: vector_float, b: vector_float) -> vector_signed_int {
sealed::vec_vcmpbfp(a, b)
}
/// Vector cmpb.
#[inline]
#[target_feature(enable = "altivec")]
pub unsafe fn vec_ceil(a: vector_float) -> vector_float {
@ -1625,6 +1637,20 @@ mod tests {
}
}
#[simd_test(enable = "altivec")]
unsafe fn test_vec_cmpb() {
let a: vector_float = transmute(f32x4::new(0.1, 0.5, 0.6, 0.9));
let b: vector_float = transmute(f32x4::new(-0.1, 0.5, -0.6, 0.9));
let d = i32x4::new(
-0b10000000000000000000000000000000,
0,
-0b10000000000000000000000000000000,
0,
);
assert_eq!(d, transmute(vec_cmpb(a, b)));
}
#[simd_test(enable = "altivec")]
unsafe fn test_vec_ceil() {
let a: vector_float = transmute(f32x4::new(0.1, 0.5, 0.6, 0.9));