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Fix simd_cast

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This commit is contained in:
bjorn3
2019-07-31 09:45:11 +02:00
parent aa803f4fa6
commit b806070a88
6 changed files with 130 additions and 86 deletions
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example/std_example.rs
+13
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@@ -68,6 +68,7 @@ unsafe fn test_simd() {
test_mm256_movemask_epi8();
test_mm_add_epi8();
test_mm_add_pd();
test_mm_cvtepi8_epi16();
let mask1 = _mm_movemask_epi8(dbg!(_mm_setr_epi8(255u8 as i8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)));
assert_eq!(mask1, 1);
@@ -170,6 +171,18 @@ pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
}
}
#[target_feature(enable = "sse4.1")]
unsafe fn test_mm_cvtepi8_epi16() {
let a = _mm_set1_epi8(10);
let r = _mm_cvtepi8_epi16(a);
let e = _mm_set1_epi16(10);
assert_eq_m128i(r, e);
let a = _mm_set1_epi8(-10);
let r = _mm_cvtepi8_epi16(a);
let e = _mm_set1_epi16(-10);
assert_eq_m128i(r, e);
}
#[derive(PartialEq)]
enum LoopState {
Continue(()),