user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add _mm_cvtepi16_epi32 and _mm_cvtepi16_epi64 (commented)

Browse source
This commit is contained in:
André Oliveira 2017-11-03 14:53:56 +00:00 • committed by Andrew Gallant
parent fa240f2477
commit 866596cd53
1 changed files with 43 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

43
library/stdarch/src/x86/sse41.rs
View file

@ -287,6 +287,24 @@ pub unsafe fn _mm_cvtepi8_epi64(a: i8x16) -> i64x2 {
}
*/
/// Sign extend packed 16-bit integers in `a` to packed 32-bit integers
#[inline(always)]
#[target_feature = "+sse4.1"]
#[cfg_attr(test, assert_instr(pmovsxwd))]
pub unsafe fn _mm_cvtepi16_epi32(a: i16x8) -> i32x4 {
simd_cast::<::v64::i16x4, _>(simd_shuffle4(a, a, [0, 1, 2, 3]))
}
/// Sign extend packed 16-bit integers in a to packed 64-bit integers
/*
#[inline(always)]
#[target_feature = "+sse4.1"]
#[cfg_attr(test, assert_instr(pmovsxwq))]
pub unsafe fn _mm_cvtepi16_epi64(a: i16x8) -> i64x2 {
simd_cast::<::v32::i16x2, _>(simd_shuffle2(a, a, [0, 1]))
}
*/
/// Returns the dot product of two f64x2 vectors.
///
/// `imm8[1:0]` is the broadcast mask, and `imm8[5:4]` is the condition mask.
@ -825,6 +843,31 @@ mod tests {
}
*/
#[simd_test = "sse4.1"]
unsafe fn _mm_cvtepi16_epi32() {
let a = i16x8::splat(10);
let r = sse41::_mm_cvtepi16_epi32(a);
let e = i32x4::splat(10);
assert_eq!(r, e);
let a = i16x8::splat(-10);
let r = sse41::_mm_cvtepi16_epi32(a);
let e = i32x4::splat(-10);
assert_eq!(r, e);
}
/*
#[simd_test = "sse4.1"]
unsafe fn _mm_cvtepi16_epi64() {
let a = i16x8::splat(10);
let r = sse41::_mm_cvtepi16_epi64(a);
let e = i64x2::splat(10);
assert_eq!(r, e);
let a = i16x8::splat(-10);
let r = sse41::_mm_cvtepi16_epi64(a);
let e = i64x2::splat(-10);
assert_eq!(r, e);
}
*/
#[simd_test = "sse4.1"]
unsafe fn _mm_dp_pd() {
let a = f64x2::new(2.0, 3.0);