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added support for _mm_cvtpd_epi32 / cvtpd2dq

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Dustin Bensing 2017-09-29 00:16:41 +02:00 • committed by Andrew Gallant
parent d8881bcbc9
commit e6f343d989
1 changed files with 30 additions and 0 deletions
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30
library/stdarch/src/x86/sse2.rs
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@ -1726,6 +1726,14 @@ pub unsafe fn _mm_cvtpd_ps(a: f64x2) -> f32x4 {
cvtpd2ps(a)
}
/// Convert packed double-precision (64-bit) floating-point elements in `a` to packed 32-bit integers.
#[inline(always)]
#[target_feature = "+sse2"]
#[cfg_attr(test, assert_instr(cvtpd2dq))]
pub unsafe fn _mm_cvtpd_epi32(a: f64x2) -> i32x4 {
cvtpd2dq(a)
}
/// Return a mask of the most significant bit of each element in `a`.
///
/// The mask is stored in the 2 least significant bits of the return value.
@ -1892,6 +1900,8 @@ extern {
fn movmskpd(a: f64x2) -> i32;
#[link_name = "llvm.x86.sse2.cvtpd2ps"]
fn cvtpd2ps(a: f64x2) -> f32x4;
#[link_name = "llvm.x86.sse2.cvtpd2dq"]
fn cvtpd2dq(a: f64x2) -> i32x4;
}
#[cfg(test)]
@ -3433,4 +3443,24 @@ mod tests {
let r = sse2::_mm_cvtpd_ps(f64x2::new(f32::MAX as f64, f32::MIN as f64));
assert_eq!(r, f32x4::new(f32::MAX, f32::MIN, 0.0,0.0));
}
#[simd_test = "sse2"]
unsafe fn _mm_cvtpd_epi32() {
use std::{f64, i32};
let r = sse2::_mm_cvtpd_epi32(f64x2::new(-1.0, 5.0));
assert_eq!(r, i32x4::new(-1, 5, 0, 0));
let r = sse2::_mm_cvtpd_epi32(f64x2::new(-1.0, -5.0));
assert_eq!(r, i32x4::new(-1, -5, 0, 0));
let r = sse2::_mm_cvtpd_epi32(f64x2::new(f64::MAX, f64::MIN));
assert_eq!(r, i32x4::new(i32::MIN, i32::MIN, 0, 0));
let r = sse2::_mm_cvtpd_epi32(f64x2::new(f64::INFINITY, f64::NEG_INFINITY));
assert_eq!(r, i32x4::new(i32::MIN, i32::MIN, 0, 0));
let r = sse2::_mm_cvtpd_epi32(f64x2::new(f64::NAN, f64::NAN));
assert_eq!(r, i32x4::new(i32::MIN, i32::MIN, 0, 0));
}
}