wide/
u16x8_.rs

1use super::*;
2
3pick! {
4  if #[cfg(target_feature="sse2")] {
5    #[derive(Default, Clone, Copy, PartialEq, Eq)]
6    #[repr(C, align(16))]
7    pub struct u16x8 { pub(crate) sse: m128i }
8  } else if #[cfg(target_feature="simd128")] {
9    use core::arch::wasm32::*;
10
11    #[derive(Clone, Copy)]
12    #[repr(transparent)]
13    pub struct u16x8 { pub(crate) simd: v128 }
14
15    impl Default for u16x8 {
16      fn default() -> Self {
17        Self::splat(0)
18      }
19    }
20
21    impl PartialEq for u16x8 {
22      fn eq(&self, other: &Self) -> bool {
23        u16x8_all_true(u16x8_eq(self.simd, other.simd))
24      }
25    }
26
27    impl Eq for u16x8 { }
28  } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
29      use core::arch::aarch64::*;
30      #[repr(C)]
31      #[derive(Copy, Clone)]
32      pub struct u16x8 { pub(crate) neon : uint16x8_t }
33
34      impl Default for u16x8 {
35        #[inline]
36        #[must_use]
37        fn default() -> Self {
38          Self::splat(0)
39        }
40      }
41
42      impl PartialEq for u16x8 {
43        #[inline]
44        #[must_use]
45        fn eq(&self, other: &Self) -> bool {
46          unsafe { vminvq_u16(vceqq_u16(self.neon, other.neon))==u16::MAX }
47        }
48      }
49
50      impl Eq for u16x8 { }
51  } else {
52    #[derive(Default, Clone, Copy, PartialEq, Eq)]
53    #[repr(C, align(16))]
54    pub struct u16x8 { pub(crate) arr: [u16;8] }
55  }
56}
57
58int_uint_consts!(u16, 8, u16x8, 128);
59
60unsafe impl Zeroable for u16x8 {}
61unsafe impl Pod for u16x8 {}
62
63impl Add for u16x8 {
64  type Output = Self;
65  #[inline]
66  #[must_use]
67  fn add(self, rhs: Self) -> Self::Output {
68    pick! {
69      if #[cfg(target_feature="sse2")] {
70        Self { sse: add_i16_m128i(self.sse, rhs.sse) }
71      } else if #[cfg(target_feature="simd128")] {
72        Self { simd: u16x8_add(self.simd, rhs.simd) }
73      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
74        unsafe { Self { neon: vaddq_u16(self.neon, rhs.neon) } }
75      } else {
76        Self { arr: [
77          self.arr[0].wrapping_add(rhs.arr[0]),
78          self.arr[1].wrapping_add(rhs.arr[1]),
79          self.arr[2].wrapping_add(rhs.arr[2]),
80          self.arr[3].wrapping_add(rhs.arr[3]),
81          self.arr[4].wrapping_add(rhs.arr[4]),
82          self.arr[5].wrapping_add(rhs.arr[5]),
83          self.arr[6].wrapping_add(rhs.arr[6]),
84          self.arr[7].wrapping_add(rhs.arr[7]),
85        ]}
86      }
87    }
88  }
89}
90
91impl Sub for u16x8 {
92  type Output = Self;
93  #[inline]
94  #[must_use]
95  fn sub(self, rhs: Self) -> Self::Output {
96    pick! {
97      if #[cfg(target_feature="sse2")] {
98        Self { sse: sub_i16_m128i(self.sse, rhs.sse) }
99      } else if #[cfg(target_feature="simd128")] {
100        Self { simd: u16x8_sub(self.simd, rhs.simd) }
101      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
102        unsafe {Self { neon: vsubq_u16(self.neon, rhs.neon) }}
103      } else {
104        Self { arr: [
105          self.arr[0].wrapping_sub(rhs.arr[0]),
106          self.arr[1].wrapping_sub(rhs.arr[1]),
107          self.arr[2].wrapping_sub(rhs.arr[2]),
108          self.arr[3].wrapping_sub(rhs.arr[3]),
109          self.arr[4].wrapping_sub(rhs.arr[4]),
110          self.arr[5].wrapping_sub(rhs.arr[5]),
111          self.arr[6].wrapping_sub(rhs.arr[6]),
112          self.arr[7].wrapping_sub(rhs.arr[7]),
113        ]}
114      }
115    }
116  }
117}
118
119impl Mul for u16x8 {
120  type Output = Self;
121  #[inline]
122  #[must_use]
123  fn mul(self, rhs: Self) -> Self::Output {
124    pick! {
125      if #[cfg(target_feature="sse2")] {
126        Self { sse: mul_i16_keep_low_m128i(self.sse, rhs.sse) }
127      } else if #[cfg(target_feature="simd128")] {
128        Self { simd: u16x8_mul(self.simd, rhs.simd) }
129      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
130        unsafe {Self { neon: vmulq_u16(self.neon, rhs.neon) }}
131      } else {
132        Self { arr: [
133          self.arr[0].wrapping_mul(rhs.arr[0]),
134          self.arr[1].wrapping_mul(rhs.arr[1]),
135          self.arr[2].wrapping_mul(rhs.arr[2]),
136          self.arr[3].wrapping_mul(rhs.arr[3]),
137          self.arr[4].wrapping_mul(rhs.arr[4]),
138          self.arr[5].wrapping_mul(rhs.arr[5]),
139          self.arr[6].wrapping_mul(rhs.arr[6]),
140          self.arr[7].wrapping_mul(rhs.arr[7]),
141        ]}
142      }
143    }
144  }
145}
146
147impl Add<u16> for u16x8 {
148  type Output = Self;
149  #[inline]
150  #[must_use]
151  fn add(self, rhs: u16) -> Self::Output {
152    self.add(Self::splat(rhs))
153  }
154}
155
156impl Sub<u16> for u16x8 {
157  type Output = Self;
158  #[inline]
159  #[must_use]
160  fn sub(self, rhs: u16) -> Self::Output {
161    self.sub(Self::splat(rhs))
162  }
163}
164
165impl Mul<u16> for u16x8 {
166  type Output = Self;
167  #[inline]
168  #[must_use]
169  fn mul(self, rhs: u16) -> Self::Output {
170    self.mul(Self::splat(rhs))
171  }
172}
173
174impl Add<u16x8> for u16 {
175  type Output = u16x8;
176  #[inline]
177  #[must_use]
178  fn add(self, rhs: u16x8) -> Self::Output {
179    u16x8::splat(self).add(rhs)
180  }
181}
182
183impl Sub<u16x8> for u16 {
184  type Output = u16x8;
185  #[inline]
186  #[must_use]
187  fn sub(self, rhs: u16x8) -> Self::Output {
188    u16x8::splat(self).sub(rhs)
189  }
190}
191
192impl Mul<u16x8> for u16 {
193  type Output = u16x8;
194  #[inline]
195  #[must_use]
196  fn mul(self, rhs: u16x8) -> Self::Output {
197    u16x8::splat(self).mul(rhs)
198  }
199}
200
201impl BitAnd for u16x8 {
202  type Output = Self;
203  #[inline]
204  #[must_use]
205  fn bitand(self, rhs: Self) -> Self::Output {
206    pick! {
207      if #[cfg(target_feature="sse2")] {
208        Self { sse: bitand_m128i(self.sse, rhs.sse) }
209      } else if #[cfg(target_feature="simd128")] {
210        Self { simd: v128_and(self.simd, rhs.simd) }
211      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
212        unsafe {Self { neon: vandq_u16(self.neon, rhs.neon) }}
213      } else {
214        Self { arr: [
215          self.arr[0].bitand(rhs.arr[0]),
216          self.arr[1].bitand(rhs.arr[1]),
217          self.arr[2].bitand(rhs.arr[2]),
218          self.arr[3].bitand(rhs.arr[3]),
219          self.arr[4].bitand(rhs.arr[4]),
220          self.arr[5].bitand(rhs.arr[5]),
221          self.arr[6].bitand(rhs.arr[6]),
222          self.arr[7].bitand(rhs.arr[7]),
223        ]}
224      }
225    }
226  }
227}
228
229impl BitOr for u16x8 {
230  type Output = Self;
231  #[inline]
232  #[must_use]
233  fn bitor(self, rhs: Self) -> Self::Output {
234    pick! {
235      if #[cfg(target_feature="sse2")] {
236        Self { sse: bitor_m128i(self.sse, rhs.sse) }
237      } else if #[cfg(target_feature="simd128")] {
238        Self { simd: v128_or(self.simd, rhs.simd) }
239      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
240        unsafe {Self { neon: vorrq_u16(self.neon, rhs.neon) }}
241      } else {
242        Self { arr: [
243          self.arr[0].bitor(rhs.arr[0]),
244          self.arr[1].bitor(rhs.arr[1]),
245          self.arr[2].bitor(rhs.arr[2]),
246          self.arr[3].bitor(rhs.arr[3]),
247          self.arr[4].bitor(rhs.arr[4]),
248          self.arr[5].bitor(rhs.arr[5]),
249          self.arr[6].bitor(rhs.arr[6]),
250          self.arr[7].bitor(rhs.arr[7]),
251        ]}
252      }
253    }
254  }
255}
256
257impl BitXor for u16x8 {
258  type Output = Self;
259  #[inline]
260  #[must_use]
261  fn bitxor(self, rhs: Self) -> Self::Output {
262    pick! {
263      if #[cfg(target_feature="sse2")] {
264        Self { sse: bitxor_m128i(self.sse, rhs.sse) }
265      } else if #[cfg(target_feature="simd128")] {
266        Self { simd: v128_xor(self.simd, rhs.simd) }
267      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
268        unsafe {Self { neon: veorq_u16(self.neon, rhs.neon) }}
269      } else {
270        Self { arr: [
271          self.arr[0].bitxor(rhs.arr[0]),
272          self.arr[1].bitxor(rhs.arr[1]),
273          self.arr[2].bitxor(rhs.arr[2]),
274          self.arr[3].bitxor(rhs.arr[3]),
275          self.arr[4].bitxor(rhs.arr[4]),
276          self.arr[5].bitxor(rhs.arr[5]),
277          self.arr[6].bitxor(rhs.arr[6]),
278          self.arr[7].bitxor(rhs.arr[7]),
279        ]}
280      }
281    }
282  }
283}
284
285macro_rules! impl_shl_t_for_u16x8 {
286  ($($shift_type:ty),+ $(,)?) => {
287    $(impl Shl<$shift_type> for u16x8 {
288      type Output = Self;
289      /// Shifts all lanes by the value given.
290      #[inline]
291      #[must_use]
292      fn shl(self, rhs: $shift_type) -> Self::Output {
293        pick! {
294          if #[cfg(target_feature="sse2")] {
295            let shift = cast([rhs as u64, 0]);
296            Self { sse: shl_all_u16_m128i(self.sse, shift) }
297          } else if #[cfg(target_feature="simd128")] {
298            Self { simd: u16x8_shl(self.simd, rhs as u32) }
299          } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
300            unsafe {Self { neon: vshlq_u16(self.neon, vmovq_n_s16(rhs as i16)) }}
301          } else {
302            let u = rhs as u64;
303            Self { arr: [
304              self.arr[0] << u,
305              self.arr[1] << u,
306              self.arr[2] << u,
307              self.arr[3] << u,
308              self.arr[4] << u,
309              self.arr[5] << u,
310              self.arr[6] << u,
311              self.arr[7] << u,
312            ]}
313          }
314        }
315      }
316    })+
317  };
318}
319impl_shl_t_for_u16x8!(i8, u8, i16, u16, i32, u32, i64, u64, i128, u128);
320
321macro_rules! impl_shr_t_for_u16x8 {
322  ($($shift_type:ty),+ $(,)?) => {
323    $(impl Shr<$shift_type> for u16x8 {
324      type Output = Self;
325      /// Shifts all lanes by the value given.
326      #[inline]
327      #[must_use]
328      fn shr(self, rhs: $shift_type) -> Self::Output {
329        pick! {
330          if #[cfg(target_feature="sse2")] {
331            let shift = cast([rhs as u64, 0]);
332            Self { sse: shr_all_u16_m128i(self.sse, shift) }
333          } else if #[cfg(target_feature="simd128")] {
334            Self { simd: u16x8_shr(self.simd, rhs as u32) }
335          } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
336            unsafe {Self { neon: vshlq_u16(self.neon, vmovq_n_s16( -(rhs as i16))) }}
337          } else {
338            let u = rhs as u64;
339            Self { arr: [
340              self.arr[0] >> u,
341              self.arr[1] >> u,
342              self.arr[2] >> u,
343              self.arr[3] >> u,
344              self.arr[4] >> u,
345              self.arr[5] >> u,
346              self.arr[6] >> u,
347              self.arr[7] >> u,
348            ]}
349          }
350        }
351      }
352    })+
353  };
354}
355impl_shr_t_for_u16x8!(i8, u8, i16, u16, i32, u32, i64, u64, i128, u128);
356
357impl u16x8 {
358  #[inline]
359  #[must_use]
360  pub const fn new(array: [u16; 8]) -> Self {
361    unsafe { core::intrinsics::transmute(array) }
362  }
363  #[inline]
364  #[must_use]
365  pub fn cmp_eq(self, rhs: Self) -> Self {
366    pick! {
367      if #[cfg(target_feature="sse2")] {
368        Self { sse: cmp_eq_mask_i16_m128i(self.sse, rhs.sse) }
369      } else if #[cfg(target_feature="simd128")] {
370        Self { simd: u16x8_eq(self.simd, rhs.simd) }
371      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
372        unsafe {Self { neon: vceqq_u16(self.neon, rhs.neon) }}
373      } else {
374        Self { arr: [
375          if self.arr[0] == rhs.arr[0] { u16::MAX } else { 0 },
376          if self.arr[1] == rhs.arr[1] { u16::MAX } else { 0 },
377          if self.arr[2] == rhs.arr[2] { u16::MAX } else { 0 },
378          if self.arr[3] == rhs.arr[3] { u16::MAX } else { 0 },
379          if self.arr[4] == rhs.arr[4] { u16::MAX } else { 0 },
380          if self.arr[5] == rhs.arr[5] { u16::MAX } else { 0 },
381          if self.arr[6] == rhs.arr[6] { u16::MAX } else { 0 },
382          if self.arr[7] == rhs.arr[7] { u16::MAX } else { 0 },
383        ]}
384      }
385    }
386  }
387  #[inline]
388  #[must_use]
389  pub fn blend(self, t: Self, f: Self) -> Self {
390    pick! {
391      if #[cfg(target_feature="sse4.1")] {
392        Self { sse: blend_varying_i8_m128i(f.sse, t.sse, self.sse) }
393      } else if #[cfg(target_feature="simd128")] {
394        Self { simd: v128_bitselect(t.simd, f.simd, self.simd) }
395      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
396        unsafe {Self { neon: vbslq_u16(self.neon, t.neon, f.neon) }}
397      } else {
398        generic_bit_blend(self, t, f)
399      }
400    }
401  }
402  #[inline]
403  #[must_use]
404  pub fn max(self, rhs: Self) -> Self {
405    pick! {
406      if #[cfg(target_feature="sse4.1")] {
407        Self { sse: max_u16_m128i(self.sse, rhs.sse) }
408      } else if #[cfg(target_feature="simd128")] {
409        Self { simd: u16x8_max(self.simd, rhs.simd) }
410      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
411        unsafe {Self { neon: vmaxq_u16(self.neon, rhs.neon) }}
412      } else {
413        let arr: [u16; 8] = cast(self);
414        let rhs: [u16; 8] = cast(rhs);
415        cast([
416          arr[0].max(rhs[0]),
417          arr[1].max(rhs[1]),
418          arr[2].max(rhs[2]),
419          arr[3].max(rhs[3]),
420          arr[4].max(rhs[4]),
421          arr[5].max(rhs[5]),
422          arr[6].max(rhs[6]),
423          arr[7].max(rhs[7]),
424        ])
425      }
426    }
427  }
428  #[inline]
429  #[must_use]
430  pub fn min(self, rhs: Self) -> Self {
431    pick! {
432      if #[cfg(target_feature="sse4.1")] {
433        Self { sse: min_u16_m128i(self.sse, rhs.sse) }
434      } else if #[cfg(target_feature="simd128")] {
435        Self { simd: u16x8_min(self.simd, rhs.simd) }
436      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
437        unsafe {Self { neon: vminq_u16(self.neon, rhs.neon) }}
438      } else {
439        let arr: [u16; 8] = cast(self);
440        let rhs: [u16; 8] = cast(rhs);
441        cast([
442          arr[0].min(rhs[0]),
443          arr[1].min(rhs[1]),
444          arr[2].min(rhs[2]),
445          arr[3].min(rhs[3]),
446          arr[4].min(rhs[4]),
447          arr[5].min(rhs[5]),
448          arr[6].min(rhs[6]),
449          arr[7].min(rhs[7]),
450        ])
451      }
452    }
453  }
454
455  #[inline]
456  #[must_use]
457  pub fn saturating_add(self, rhs: Self) -> Self {
458    pick! {
459      if #[cfg(target_feature="sse2")] {
460        Self { sse: add_saturating_u16_m128i(self.sse, rhs.sse) }
461      } else if #[cfg(target_feature="simd128")] {
462        Self { simd: u16x8_add_sat(self.simd, rhs.simd) }
463      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
464        unsafe {Self { neon: vqaddq_u16(self.neon, rhs.neon) }}
465      } else {
466        Self { arr: [
467          self.arr[0].saturating_add(rhs.arr[0]),
468          self.arr[1].saturating_add(rhs.arr[1]),
469          self.arr[2].saturating_add(rhs.arr[2]),
470          self.arr[3].saturating_add(rhs.arr[3]),
471          self.arr[4].saturating_add(rhs.arr[4]),
472          self.arr[5].saturating_add(rhs.arr[5]),
473          self.arr[6].saturating_add(rhs.arr[6]),
474          self.arr[7].saturating_add(rhs.arr[7]),
475        ]}
476      }
477    }
478  }
479  #[inline]
480  #[must_use]
481  pub fn saturating_sub(self, rhs: Self) -> Self {
482    pick! {
483      if #[cfg(target_feature="sse2")] {
484        Self { sse: sub_saturating_u16_m128i(self.sse, rhs.sse) }
485      } else if #[cfg(target_feature="simd128")] {
486        Self { simd: u16x8_sub_sat(self.simd, rhs.simd) }
487      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))]{
488        unsafe {Self { neon: vqsubq_u16(self.neon, rhs.neon) }}
489      } else {
490        Self { arr: [
491          self.arr[0].saturating_sub(rhs.arr[0]),
492          self.arr[1].saturating_sub(rhs.arr[1]),
493          self.arr[2].saturating_sub(rhs.arr[2]),
494          self.arr[3].saturating_sub(rhs.arr[3]),
495          self.arr[4].saturating_sub(rhs.arr[4]),
496          self.arr[5].saturating_sub(rhs.arr[5]),
497          self.arr[6].saturating_sub(rhs.arr[6]),
498          self.arr[7].saturating_sub(rhs.arr[7]),
499        ]}
500      }
501    }
502  }
503
504  /// Unpack the lower half of the input and zero expand it to `u16` values.
505  #[inline]
506  #[must_use]
507  pub fn from_u8x16_low(u: u8x16) -> Self {
508    pick! {
509      if #[cfg(target_feature="sse2")] {
510        Self{ sse: unpack_low_i8_m128i(u.sse, m128i::zeroed()) }
511      } else {
512        let u_arr: [u8; 16] = cast(u);
513        cast([
514          u_arr[0] as u16,
515          u_arr[1] as u16,
516          u_arr[2] as u16,
517          u_arr[3] as u16,
518          u_arr[4] as u16,
519          u_arr[5] as u16,
520          u_arr[6] as u16,
521          u_arr[7] as u16,
522        ])
523      }
524    }
525  }
526
527  /// Unpack the upper half of the input and zero expand it to `u16` values.
528  #[inline]
529  #[must_use]
530  pub fn from_u8x16_high(u: u8x16) -> Self {
531    pick! {
532      if #[cfg(target_feature="sse2")] {
533        Self{ sse: unpack_high_i8_m128i(u.sse, m128i::zeroed()) }
534      } else {
535        let u_arr: [u8; 16] = cast(u);
536        cast([
537          u_arr[8] as u16,
538          u_arr[9] as u16,
539          u_arr[10] as u16,
540          u_arr[11] as u16,
541          u_arr[12] as u16,
542          u_arr[13] as u16,
543          u_arr[14] as u16,
544          u_arr[15] as u16,
545        ])
546      }
547    }
548  }
549
550  /// multiplies two u16x8 and returns the result as a widened u32x8
551  #[inline]
552  #[must_use]
553  pub fn mul_widen(self, rhs: Self) -> u32x8 {
554    pick! {
555      if #[cfg(target_feature="avx2")] {
556        let a = convert_to_i32_m256i_from_u16_m128i(self.sse);
557        let b = convert_to_i32_m256i_from_u16_m128i(rhs.sse);
558        u32x8 { avx2: mul_i32_keep_low_m256i(a,b) }
559      } else if #[cfg(target_feature="sse2")] {
560         let low = mul_i16_keep_low_m128i(self.sse, rhs.sse);
561         let high = mul_u16_keep_high_m128i(self.sse, rhs.sse);
562         u32x8 {
563          a: u32x4 { sse:unpack_low_i16_m128i(low, high) },
564          b: u32x4 { sse:unpack_high_i16_m128i(low, high) }
565        }
566      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))] {
567         let lhs_low = unsafe { vget_low_u16(self.neon) };
568         let rhs_low = unsafe { vget_low_u16(rhs.neon) };
569
570         let lhs_high = unsafe { vget_high_u16(self.neon) };
571         let rhs_high = unsafe { vget_high_u16(rhs.neon) };
572
573         let low = unsafe { vmull_u16(lhs_low, rhs_low) };
574         let high = unsafe { vmull_u16(lhs_high, rhs_high) };
575
576         u32x8 { a: u32x4 { neon: low }, b: u32x4 {neon: high } }
577       } else {
578        let a = self.as_array_ref();
579        let b = rhs.as_array_ref();
580         u32x8::new([
581           u32::from(a[0]) * u32::from(b[0]),
582           u32::from(a[1]) * u32::from(b[1]),
583           u32::from(a[2]) * u32::from(b[2]),
584           u32::from(a[3]) * u32::from(b[3]),
585           u32::from(a[4]) * u32::from(b[4]),
586           u32::from(a[5]) * u32::from(b[5]),
587           u32::from(a[6]) * u32::from(b[6]),
588           u32::from(a[7]) * u32::from(b[7]),
589         ])
590       }
591    }
592  }
593
594  /// Multiples two `u16x8` and return the high part of intermediate `u32x8`
595  #[inline]
596  #[must_use]
597  pub fn mul_keep_high(self, rhs: Self) -> Self {
598    pick! {
599      if #[cfg(target_feature="sse2")] {
600        Self { sse: mul_u16_keep_high_m128i(self.sse, rhs.sse) }
601      } else if #[cfg(all(target_feature="neon",target_arch="aarch64"))] {
602        let lhs_low = unsafe { vget_low_u16(self.neon) };
603        let rhs_low = unsafe { vget_low_u16(rhs.neon) };
604
605        let lhs_high = unsafe { vget_high_u16(self.neon) };
606        let rhs_high = unsafe { vget_high_u16(rhs.neon) };
607
608        let low = unsafe { vmull_u16(lhs_low, rhs_low) };
609        let high = unsafe { vmull_u16(lhs_high, rhs_high) };
610
611        u16x8 { neon: unsafe { vuzpq_u16(vreinterpretq_u16_u32(low), vreinterpretq_u16_u32(high)).1 } }
612      } else if #[cfg(target_feature="simd128")] {
613        let low =  u32x4_extmul_low_u16x8(self.simd, rhs.simd);
614        let high = u32x4_extmul_high_u16x8(self.simd, rhs.simd);
615
616        Self { simd: u16x8_shuffle::<1, 3, 5, 7, 9, 11, 13, 15>(low, high) }
617      } else {
618        u16x8::new([
619          ((u32::from(rhs.as_array_ref()[0]) * u32::from(self.as_array_ref()[0])) >> 16) as u16,
620          ((u32::from(rhs.as_array_ref()[1]) * u32::from(self.as_array_ref()[1])) >> 16) as u16,
621          ((u32::from(rhs.as_array_ref()[2]) * u32::from(self.as_array_ref()[2])) >> 16) as u16,
622          ((u32::from(rhs.as_array_ref()[3]) * u32::from(self.as_array_ref()[3])) >> 16) as u16,
623          ((u32::from(rhs.as_array_ref()[4]) * u32::from(self.as_array_ref()[4])) >> 16) as u16,
624          ((u32::from(rhs.as_array_ref()[5]) * u32::from(self.as_array_ref()[5])) >> 16) as u16,
625          ((u32::from(rhs.as_array_ref()[6]) * u32::from(self.as_array_ref()[6])) >> 16) as u16,
626          ((u32::from(rhs.as_array_ref()[7]) * u32::from(self.as_array_ref()[7])) >> 16) as u16,
627        ])
628      }
629    }
630  }
631
632  #[inline]
633  pub fn to_array(self) -> [u16; 8] {
634    cast(self)
635  }
636
637  #[inline]
638  pub fn as_array_ref(&self) -> &[u16; 8] {
639    cast_ref(self)
640  }
641
642  #[inline]
643  pub fn as_array_mut(&mut self) -> &mut [u16; 8] {
644    cast_mut(self)
645  }
646}