From d1728dfe6d714d0f06708fc60d1ebd3bc06e1957 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Fri, 8 Mar 2019 12:30:07 -0800
Subject: [PATCH] Update the scalar SIMD fallback

---
 Cargo.lock             |    1 +
 demo/native/Cargo.toml |    6 +
 simd/Cargo.toml        |    3 +
 simd/src/scalar.rs     | 3759 +++++++++++++++++++++++++++++++++++++++-
 4 files changed, 3705 insertions(+), 64 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 87dbc2f3..bd87e05b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -164,6 +164,7 @@ dependencies = [
  "gl 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "pathfinder_demo 0.1.0",
  "pathfinder_geometry 0.3.0",
+ "pathfinder_simd 0.3.0",
  "sdl2 0.32.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sdl2-sys 0.32.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/demo/native/Cargo.toml b/demo/native/Cargo.toml
index 3425ab65..c31ccacc 100644
--- a/demo/native/Cargo.toml
+++ b/demo/native/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.1.0"
 edition = "2018"
 authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 
+[features]
+pf-no-simd = ["pathfinder_simd/pf-no-simd"]
+
 [dependencies]
 gl = "0.6"
 sdl2 = "0.32"
@@ -14,3 +17,6 @@ path = "../common"
 
 [dependencies.pathfinder_geometry]
 path = "../../geometry"
+
+[dependencies.pathfinder_simd]
+path = "../../simd"
diff --git a/simd/Cargo.toml b/simd/Cargo.toml
index 7c8ad481..3400fc6a 100644
--- a/simd/Cargo.toml
+++ b/simd/Cargo.toml
@@ -4,4 +4,7 @@ version = "0.3.0"
 edition = "2018"
 authors = ["Patrick Walton <pcwalton@mimiga.net>"]
 
+[features]
+pf-no-simd = []
+
 [dependencies]
diff --git a/simd/src/scalar.rs b/simd/src/scalar.rs
index 9282c6aa..3a396f57 100644
--- a/simd/src/scalar.rs
+++ b/simd/src/scalar.rs
@@ -29,6 +29,8 @@ impl F32x4 {
         F32x4([x; 4])
     }
 
+    // Basic operations
+
     #[inline]
     pub fn min(self, other: F32x4) -> F32x4 {
         F32x4([
@@ -49,6 +51,28 @@ impl F32x4 {
         ])
     }
 
+    #[inline]
+    pub fn clamp(self, min: F32x4, max: F32x4) -> F32x4 {
+        self.max(min).min(max)
+    }
+
+    #[inline]
+    pub fn abs(self) -> F32x4 {
+        F32x4([self[0].abs(), self[1].abs(), self[2].abs(), self[3].abs()])
+    }
+
+    #[inline]
+    pub fn floor(self) -> F32x4 {
+        F32x4([self[0].floor(), self[1].floor(), self[2].floor(), self[3].floor()])
+    }
+
+    #[inline]
+    pub fn ceil(self) -> F32x4 {
+        F32x4([self[0].ceil(), self[1].ceil(), self[2].ceil(), self[3].ceil()])
+    }
+
+    // Packed comparisons
+
     #[inline]
     pub fn packed_eq(self, other: F32x4) -> U32x4 {
         U32x4([
@@ -59,76 +83,1856 @@ impl F32x4 {
         ])
     }
 
-    // Casts these packed floats to 64-bit floats.
-    //
-    // NB: This is a pure bitcast and does no actual conversion; only use this if you know what
-    // you're doing.
     #[inline]
-    pub fn as_f64x2(self) -> F64x2 {
-        unsafe {
-            F64x2(*mem::transmute::<&[f32; 4], &[f64; 2]>(&self.0))
-        }
+    pub fn packed_gt(self, other: F32x4) -> U32x4 {
+        U32x4([
+            if self[0] > other[0] { !0 } else { 0 },
+            if self[1] > other[1] { !0 } else { 0 },
+            if self[2] > other[2] { !0 } else { 0 },
+            if self[3] > other[3] { !0 } else { 0 },
+        ])
+    }
+
+    #[inline]
+    pub fn packed_le(self, other: F32x4) -> U32x4 {
+        U32x4([
+            if self[0] <= other[0] { !0 } else { 0 },
+            if self[1] <= other[1] { !0 } else { 0 },
+            if self[2] <= other[2] { !0 } else { 0 },
+            if self[3] <= other[3] { !0 } else { 0 },
+        ])
+    }
+
+    #[inline]
+    pub fn packed_lt(self, other: F32x4) -> U32x4 {
+        U32x4([
+            if self[0] < other[0] { !0 } else { 0 },
+            if self[1] < other[1] { !0 } else { 0 },
+            if self[2] < other[2] { !0 } else { 0 },
+            if self[3] < other[3] { !0 } else { 0 },
+        ])
     }
 
     // Converts these packed floats to integers.
     #[inline]
     pub fn to_i32x4(self) -> I32x4 {
-        unsafe {
-            I32x4(*mem::transmute::<&[f32; 4], &[i32; 4]>(&self.0))
-        }
+        I32x4([self[0] as i32, self[1] as i32, self[2] as i32, self[3] as i32])
     }
 
     // Shuffles
 
+    /// Constructs a new vector from the first, first, first, and first
+    /// lanes in this vector, respectively.
     #[inline]
-    pub fn xxyy(self) -> F32x4 {
-        F32x4([self[0], self[0], self[1], self[1]])
+    pub fn xxxx(self) -> F32x4 {
+        F32x4([self[0], self[0], self[0], self[0])
     }
 
+    /// Constructs a new vector from the second, first, first, and first
+    /// lanes in this vector, respectively.
     #[inline]
-    pub fn xyxy(self) -> F32x4 {
-        F32x4([self[0], self[1], self[0], self[1]])
+    pub fn yxxx(self) -> F32x4 {
+        F32x4([self[1], self[0], self[0], self[0])
     }
 
+    /// Constructs a new vector from the third, first, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxx(self) -> F32x4 {
+        F32x4([self[2], self[0], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxx(self) -> F32x4 {
+        F32x4([self[3], self[0], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxx(self) -> F32x4 {
+        F32x4([self[0], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxx(self) -> F32x4 {
+        F32x4([self[1], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxx(self) -> F32x4 {
+        F32x4([self[2], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxx(self) -> F32x4 {
+        F32x4([self[3], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxx(self) -> F32x4 {
+        F32x4([self[0], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxx(self) -> F32x4 {
+        F32x4([self[1], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxx(self) -> F32x4 {
+        F32x4([self[2], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxx(self) -> F32x4 {
+        F32x4([self[3], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxx(self) -> F32x4 {
+        F32x4([self[0], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxx(self) -> F32x4 {
+        F32x4([self[1], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxx(self) -> F32x4 {
+        F32x4([self[2], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxx(self) -> F32x4 {
+        F32x4([self[3], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyx(self) -> F32x4 {
+        F32x4([self[0], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyx(self) -> F32x4 {
+        F32x4([self[1], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyx(self) -> F32x4 {
+        F32x4([self[2], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyx(self) -> F32x4 {
+        F32x4([self[3], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, second, and first
+    /// lanes in this vector, respectively.
     #[inline]
     pub fn xyyx(self) -> F32x4 {
-        F32x4([self[0], self[1], self[1], self[0]])
+        F32x4([self[0], self[1], self[1], self[0])
     }
 
+    /// Constructs a new vector from the second, second, second, and first
+    /// lanes in this vector, respectively.
     #[inline]
-    pub fn xzxz(self) -> F32x4 {
-        F32x4([self[0], self[2], self[0], self[2]])
+    pub fn yyyx(self) -> F32x4 {
+        F32x4([self[1], self[1], self[1], self[0])
     }
 
+    /// Constructs a new vector from the third, second, second, and first
+    /// lanes in this vector, respectively.
     #[inline]
-    pub fn ywyw(self) -> F32x4 {
-        F32x4([self[1], self[3], self[1], self[3]])
+    pub fn zyyx(self) -> F32x4 {
+        F32x4([self[2], self[1], self[1], self[0])
     }
 
+    /// Constructs a new vector from the fourth, second, second, and first
+    /// lanes in this vector, respectively.
     #[inline]
-    pub fn zzww(self) -> F32x4 {
-        F32x4([self[2], self[2], self[3], self[3]])
+    pub fn wyyx(self) -> F32x4 {
+        F32x4([self[3], self[1], self[1], self[0])
     }
 
+    /// Constructs a new vector from the first, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyx(self) -> F32x4 {
+        F32x4([self[0], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyx(self) -> F32x4 {
+        F32x4([self[1], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyx(self) -> F32x4 {
+        F32x4([self[2], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyx(self) -> F32x4 {
+        F32x4([self[3], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyx(self) -> F32x4 {
+        F32x4([self[0], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyx(self) -> F32x4 {
+        F32x4([self[1], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyx(self) -> F32x4 {
+        F32x4([self[2], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyx(self) -> F32x4 {
+        F32x4([self[3], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzx(self) -> F32x4 {
+        F32x4([self[0], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzx(self) -> F32x4 {
+        F32x4([self[1], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzx(self) -> F32x4 {
+        F32x4([self[2], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzx(self) -> F32x4 {
+        F32x4([self[3], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzx(self) -> F32x4 {
+        F32x4([self[0], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzx(self) -> F32x4 {
+        F32x4([self[1], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzx(self) -> F32x4 {
+        F32x4([self[2], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzx(self) -> F32x4 {
+        F32x4([self[3], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzx(self) -> F32x4 {
+        F32x4([self[0], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzx(self) -> F32x4 {
+        F32x4([self[1], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzx(self) -> F32x4 {
+        F32x4([self[2], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzx(self) -> F32x4 {
+        F32x4([self[3], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzx(self) -> F32x4 {
+        F32x4([self[0], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzx(self) -> F32x4 {
+        F32x4([self[1], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzx(self) -> F32x4 {
+        F32x4([self[2], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzx(self) -> F32x4 {
+        F32x4([self[3], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxwx(self) -> F32x4 {
+        F32x4([self[0], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxwx(self) -> F32x4 {
+        F32x4([self[1], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxwx(self) -> F32x4 {
+        F32x4([self[2], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxwx(self) -> F32x4 {
+        F32x4([self[3], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xywx(self) -> F32x4 {
+        F32x4([self[0], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yywx(self) -> F32x4 {
+        F32x4([self[1], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zywx(self) -> F32x4 {
+        F32x4([self[2], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wywx(self) -> F32x4 {
+        F32x4([self[3], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzwx(self) -> F32x4 {
+        F32x4([self[0], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzwx(self) -> F32x4 {
+        F32x4([self[1], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzwx(self) -> F32x4 {
+        F32x4([self[2], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzwx(self) -> F32x4 {
+        F32x4([self[3], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwwx(self) -> F32x4 {
+        F32x4([self[0], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywwx(self) -> F32x4 {
+        F32x4([self[1], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwwx(self) -> F32x4 {
+        F32x4([self[2], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwwx(self) -> F32x4 {
+        F32x4([self[3], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxy(self) -> F32x4 {
+        F32x4([self[0], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxy(self) -> F32x4 {
+        F32x4([self[1], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxy(self) -> F32x4 {
+        F32x4([self[2], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxy(self) -> F32x4 {
+        F32x4([self[3], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxy(self) -> F32x4 {
+        F32x4([self[0], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxy(self) -> F32x4 {
+        F32x4([self[1], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxy(self) -> F32x4 {
+        F32x4([self[2], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxy(self) -> F32x4 {
+        F32x4([self[3], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxy(self) -> F32x4 {
+        F32x4([self[0], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxy(self) -> F32x4 {
+        F32x4([self[1], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxy(self) -> F32x4 {
+        F32x4([self[2], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxy(self) -> F32x4 {
+        F32x4([self[3], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxy(self) -> F32x4 {
+        F32x4([self[0], self[3], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxy(self) -> F32x4 {
+        F32x4([self[1], self[3], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and second
+    /// lanes in this vector, respectively.
     #[inline]
     pub fn zwxy(self) -> F32x4 {
-        F32x4([self[2], self[3], self[0], self[1]])
+        F32x4([self[2], self[3], self[0], self[1])
     }
 
+    /// Constructs a new vector from the fourth, fourth, first, and second
+    /// lanes in this vector, respectively.
     #[inline]
-    pub fn zwzw(self) -> F32x4 {
-        F32x4([self[2], self[3], self[2], self[3]])
+    pub fn wwxy(self) -> F32x4 {
+        F32x4([self[3], self[3], self[0], self[1])
     }
 
+    /// Constructs a new vector from the first, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyy(self) -> F32x4 {
+        F32x4([self[0], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyy(self) -> F32x4 {
+        F32x4([self[1], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyy(self) -> F32x4 {
+        F32x4([self[2], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyy(self) -> F32x4 {
+        F32x4([self[3], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyy(self) -> F32x4 {
+        F32x4([self[0], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyy(self) -> F32x4 {
+        F32x4([self[1], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyy(self) -> F32x4 {
+        F32x4([self[2], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyy(self) -> F32x4 {
+        F32x4([self[3], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyy(self) -> F32x4 {
+        F32x4([self[0], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyy(self) -> F32x4 {
+        F32x4([self[1], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyy(self) -> F32x4 {
+        F32x4([self[2], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyy(self) -> F32x4 {
+        F32x4([self[3], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyy(self) -> F32x4 {
+        F32x4([self[0], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyy(self) -> F32x4 {
+        F32x4([self[1], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyy(self) -> F32x4 {
+        F32x4([self[2], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyy(self) -> F32x4 {
+        F32x4([self[3], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzy(self) -> F32x4 {
+        F32x4([self[0], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzy(self) -> F32x4 {
+        F32x4([self[1], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzy(self) -> F32x4 {
+        F32x4([self[2], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzy(self) -> F32x4 {
+        F32x4([self[3], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzy(self) -> F32x4 {
+        F32x4([self[0], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzy(self) -> F32x4 {
+        F32x4([self[1], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzy(self) -> F32x4 {
+        F32x4([self[2], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzy(self) -> F32x4 {
+        F32x4([self[3], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzy(self) -> F32x4 {
+        F32x4([self[0], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzy(self) -> F32x4 {
+        F32x4([self[1], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzy(self) -> F32x4 {
+        F32x4([self[2], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzy(self) -> F32x4 {
+        F32x4([self[3], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzy(self) -> F32x4 {
+        F32x4([self[0], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzy(self) -> F32x4 {
+        F32x4([self[1], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzy(self) -> F32x4 {
+        F32x4([self[2], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzy(self) -> F32x4 {
+        F32x4([self[3], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxwy(self) -> F32x4 {
+        F32x4([self[0], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxwy(self) -> F32x4 {
+        F32x4([self[1], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxwy(self) -> F32x4 {
+        F32x4([self[2], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxwy(self) -> F32x4 {
+        F32x4([self[3], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xywy(self) -> F32x4 {
+        F32x4([self[0], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yywy(self) -> F32x4 {
+        F32x4([self[1], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zywy(self) -> F32x4 {
+        F32x4([self[2], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wywy(self) -> F32x4 {
+        F32x4([self[3], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzwy(self) -> F32x4 {
+        F32x4([self[0], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzwy(self) -> F32x4 {
+        F32x4([self[1], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzwy(self) -> F32x4 {
+        F32x4([self[2], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzwy(self) -> F32x4 {
+        F32x4([self[3], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwwy(self) -> F32x4 {
+        F32x4([self[0], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywwy(self) -> F32x4 {
+        F32x4([self[1], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwwy(self) -> F32x4 {
+        F32x4([self[2], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwwy(self) -> F32x4 {
+        F32x4([self[3], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxz(self) -> F32x4 {
+        F32x4([self[0], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxz(self) -> F32x4 {
+        F32x4([self[1], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxz(self) -> F32x4 {
+        F32x4([self[2], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxz(self) -> F32x4 {
+        F32x4([self[3], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxz(self) -> F32x4 {
+        F32x4([self[0], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxz(self) -> F32x4 {
+        F32x4([self[1], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxz(self) -> F32x4 {
+        F32x4([self[2], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxz(self) -> F32x4 {
+        F32x4([self[3], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxz(self) -> F32x4 {
+        F32x4([self[0], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxz(self) -> F32x4 {
+        F32x4([self[1], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxz(self) -> F32x4 {
+        F32x4([self[2], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxz(self) -> F32x4 {
+        F32x4([self[3], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxz(self) -> F32x4 {
+        F32x4([self[0], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxz(self) -> F32x4 {
+        F32x4([self[1], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxz(self) -> F32x4 {
+        F32x4([self[2], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxz(self) -> F32x4 {
+        F32x4([self[3], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyz(self) -> F32x4 {
+        F32x4([self[0], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyz(self) -> F32x4 {
+        F32x4([self[1], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyz(self) -> F32x4 {
+        F32x4([self[2], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and third
+    /// lanes in this vector, respectively.
     #[inline]
     pub fn wxyz(self) -> F32x4 {
-        F32x4([self[3], self[0], self[1], self[2]])
+        F32x4([self[3], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyz(self) -> F32x4 {
+        F32x4([self[0], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyz(self) -> F32x4 {
+        F32x4([self[1], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyz(self) -> F32x4 {
+        F32x4([self[2], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyz(self) -> F32x4 {
+        F32x4([self[3], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyz(self) -> F32x4 {
+        F32x4([self[0], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyz(self) -> F32x4 {
+        F32x4([self[1], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyz(self) -> F32x4 {
+        F32x4([self[2], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyz(self) -> F32x4 {
+        F32x4([self[3], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyz(self) -> F32x4 {
+        F32x4([self[0], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyz(self) -> F32x4 {
+        F32x4([self[1], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyz(self) -> F32x4 {
+        F32x4([self[2], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyz(self) -> F32x4 {
+        F32x4([self[3], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzz(self) -> F32x4 {
+        F32x4([self[0], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzz(self) -> F32x4 {
+        F32x4([self[1], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzz(self) -> F32x4 {
+        F32x4([self[2], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzz(self) -> F32x4 {
+        F32x4([self[3], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzz(self) -> F32x4 {
+        F32x4([self[0], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzz(self) -> F32x4 {
+        F32x4([self[1], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzz(self) -> F32x4 {
+        F32x4([self[2], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzz(self) -> F32x4 {
+        F32x4([self[3], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzz(self) -> F32x4 {
+        F32x4([self[0], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzz(self) -> F32x4 {
+        F32x4([self[1], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzz(self) -> F32x4 {
+        F32x4([self[2], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzz(self) -> F32x4 {
+        F32x4([self[3], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzz(self) -> F32x4 {
+        F32x4([self[0], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzz(self) -> F32x4 {
+        F32x4([self[1], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzz(self) -> F32x4 {
+        F32x4([self[2], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzz(self) -> F32x4 {
+        F32x4([self[3], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxwz(self) -> F32x4 {
+        F32x4([self[0], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxwz(self) -> F32x4 {
+        F32x4([self[1], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxwz(self) -> F32x4 {
+        F32x4([self[2], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxwz(self) -> F32x4 {
+        F32x4([self[3], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xywz(self) -> F32x4 {
+        F32x4([self[0], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yywz(self) -> F32x4 {
+        F32x4([self[1], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zywz(self) -> F32x4 {
+        F32x4([self[2], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wywz(self) -> F32x4 {
+        F32x4([self[3], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzwz(self) -> F32x4 {
+        F32x4([self[0], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzwz(self) -> F32x4 {
+        F32x4([self[1], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzwz(self) -> F32x4 {
+        F32x4([self[2], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzwz(self) -> F32x4 {
+        F32x4([self[3], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwwz(self) -> F32x4 {
+        F32x4([self[0], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywwz(self) -> F32x4 {
+        F32x4([self[1], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwwz(self) -> F32x4 {
+        F32x4([self[2], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwwz(self) -> F32x4 {
+        F32x4([self[3], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxw(self) -> F32x4 {
+        F32x4([self[0], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxw(self) -> F32x4 {
+        F32x4([self[1], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxw(self) -> F32x4 {
+        F32x4([self[2], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxw(self) -> F32x4 {
+        F32x4([self[3], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxw(self) -> F32x4 {
+        F32x4([self[0], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxw(self) -> F32x4 {
+        F32x4([self[1], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxw(self) -> F32x4 {
+        F32x4([self[2], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxw(self) -> F32x4 {
+        F32x4([self[3], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxw(self) -> F32x4 {
+        F32x4([self[0], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxw(self) -> F32x4 {
+        F32x4([self[1], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxw(self) -> F32x4 {
+        F32x4([self[2], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxw(self) -> F32x4 {
+        F32x4([self[3], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxw(self) -> F32x4 {
+        F32x4([self[0], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxw(self) -> F32x4 {
+        F32x4([self[1], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxw(self) -> F32x4 {
+        F32x4([self[2], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxw(self) -> F32x4 {
+        F32x4([self[3], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyw(self) -> F32x4 {
+        F32x4([self[0], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyw(self) -> F32x4 {
+        F32x4([self[1], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyw(self) -> F32x4 {
+        F32x4([self[2], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyw(self) -> F32x4 {
+        F32x4([self[3], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyw(self) -> F32x4 {
+        F32x4([self[0], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyw(self) -> F32x4 {
+        F32x4([self[1], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyw(self) -> F32x4 {
+        F32x4([self[2], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyw(self) -> F32x4 {
+        F32x4([self[3], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyw(self) -> F32x4 {
+        F32x4([self[0], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyw(self) -> F32x4 {
+        F32x4([self[1], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyw(self) -> F32x4 {
+        F32x4([self[2], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyw(self) -> F32x4 {
+        F32x4([self[3], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyw(self) -> F32x4 {
+        F32x4([self[0], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyw(self) -> F32x4 {
+        F32x4([self[1], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyw(self) -> F32x4 {
+        F32x4([self[2], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyw(self) -> F32x4 {
+        F32x4([self[3], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzw(self) -> F32x4 {
+        F32x4([self[0], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzw(self) -> F32x4 {
+        F32x4([self[1], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzw(self) -> F32x4 {
+        F32x4([self[2], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzw(self) -> F32x4 {
+        F32x4([self[3], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzw(self) -> F32x4 {
+        F32x4([self[0], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzw(self) -> F32x4 {
+        F32x4([self[1], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzw(self) -> F32x4 {
+        F32x4([self[2], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzw(self) -> F32x4 {
+        F32x4([self[3], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzw(self) -> F32x4 {
+        F32x4([self[0], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzw(self) -> F32x4 {
+        F32x4([self[1], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzw(self) -> F32x4 {
+        F32x4([self[2], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzw(self) -> F32x4 {
+        F32x4([self[3], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzw(self) -> F32x4 {
+        F32x4([self[0], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzw(self) -> F32x4 {
+        F32x4([self[1], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzw(self) -> F32x4 {
+        F32x4([self[2], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzw(self) -> F32x4 {
+        F32x4([self[3], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxww(self) -> F32x4 {
+        F32x4([self[0], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxww(self) -> F32x4 {
+        F32x4([self[1], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxww(self) -> F32x4 {
+        F32x4([self[2], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxww(self) -> F32x4 {
+        F32x4([self[3], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyww(self) -> F32x4 {
+        F32x4([self[0], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyww(self) -> F32x4 {
+        F32x4([self[1], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyww(self) -> F32x4 {
+        F32x4([self[2], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyww(self) -> F32x4 {
+        F32x4([self[3], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzww(self) -> F32x4 {
+        F32x4([self[0], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzww(self) -> F32x4 {
+        F32x4([self[1], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzww(self) -> F32x4 {
+        F32x4([self[2], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzww(self) -> F32x4 {
+        F32x4([self[3], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwww(self) -> F32x4 {
+        F32x4([self[0], self[3], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywww(self) -> F32x4 {
+        F32x4([self[1], self[3], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwww(self) -> F32x4 {
+        F32x4([self[2], self[3], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwww(self) -> F32x4 {
+        F32x4([self[3], self[3], self[3], self[3])
+    }
+
+    // Concatenations
+
+    #[inline]
+    pub fn concat_xy_xy(self, other: F32x4) -> F32x4 {
+        F32x4([self[0], self[1], other[0], other[1]])
     }
 
     #[inline]
-    pub fn interleave(self, other: F32x4) -> (F32x4, F32x4) {
-        (F32x4([self[0], other[0], self[1], other[1]]),
-            F32x4([self[2], other[2], self[3], other[3]]))
+    pub fn concat_xy_zw(self, other: F32x4) -> F32x4 {
+        F32x4([self[0], self[1], other[2], other[3]])
+    }
+
+    #[inline]
+    pub fn concat_zw_zw(self, other: F32x4) -> F32x4 {
+        F32x4([self[2], self[3], other[2], other[3]])
+    }
+
+    #[inline]
+    pub fn concat_wz_yx(self, other: F32x4) -> F32x4 {
+        F32x4([self[3], self[2], other[1], other[0]])
     }
 
     #[inline]
@@ -183,41 +1987,9 @@ impl Sub<F32x4> for F32x4 {
     }
 }
 
-// 64-bit floats
-
-#[derive(Clone, Copy)]
-pub struct F64x2(pub [f64; 2]);
-
-impl F64x2 {
-    // Shuffles
-
-    #[inline]
-    pub fn interleave(self, other: F64x2) -> (F64x2, F64x2) {
-        (F64x2([self.0[0], other.0[0]]), F64x2([self.0[1], other.0[1]]))
-    }
-
-    // Creates `<self[0], other[1]>`.
-    #[inline]
-    pub fn combine_low_high(self, other: F64x2) -> F64x2 {
-        F64x2([self.0[0], other.0[1]])
-    }
-
-    // Casts these packed floats to 32-bit floats.
-    //
-    // NB: This is a pure bitcast and does no actual conversion; only use this if you know what
-    // you're doing.
-    #[inline]
-    pub fn as_f32x4(self) -> F32x4 {
-        unsafe {
-            let vector: &[f32; 4] = mem::transmute::<&[f64; 2], &[f32; 4]>(&self.0);
-            F32x4([vector[0], vector[1], vector[2], vector[3]])
-        }
-    }
-}
-
 // 32-bit signed integers
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Default, Debug, PartialEq)]
 pub struct I32x4([i32; 4]);
 
 impl I32x4 {
@@ -247,6 +2019,1837 @@ impl I32x4 {
             self[3].min(other[3]),
         ])
     }
+
+    // Packed comparisons
+
+    #[inline]
+    pub fn packed_eq(self, other: I32x4) -> U32x4 {
+        U32x4([
+            if self[0] == other[0] { !0 } else { 0 },
+            if self[1] == other[1] { !0 } else { 0 },
+            if self[2] == other[2] { !0 } else { 0 },
+            if self[3] == other[3] { !0 } else { 0 },
+        ])
+    }
+
+    #[inline]
+    pub fn packed_le(self, other: I32x4) -> U32x4 {
+        U32x4([
+            if self[0] <= other[0] { !0 } else { 0 },
+            if self[1] <= other[1] { !0 } else { 0 },
+            if self[2] <= other[2] { !0 } else { 0 },
+            if self[3] <= other[3] { !0 } else { 0 },
+        ])
+    }
+
+    // Shuffles
+
+    /// Constructs a new vector from the first, first, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxx(self) -> I32x4 {
+        I32x4([self[0], self[0], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxx(self) -> I32x4 {
+        I32x4([self[1], self[0], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxx(self) -> I32x4 {
+        I32x4([self[2], self[0], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxx(self) -> I32x4 {
+        I32x4([self[3], self[0], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxx(self) -> I32x4 {
+        I32x4([self[0], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxx(self) -> I32x4 {
+        I32x4([self[1], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxx(self) -> I32x4 {
+        I32x4([self[2], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxx(self) -> I32x4 {
+        I32x4([self[3], self[1], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxx(self) -> I32x4 {
+        I32x4([self[0], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxx(self) -> I32x4 {
+        I32x4([self[1], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxx(self) -> I32x4 {
+        I32x4([self[2], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxx(self) -> I32x4 {
+        I32x4([self[3], self[2], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxx(self) -> I32x4 {
+        I32x4([self[0], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxx(self) -> I32x4 {
+        I32x4([self[1], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxx(self) -> I32x4 {
+        I32x4([self[2], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxx(self) -> I32x4 {
+        I32x4([self[3], self[3], self[0], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyx(self) -> I32x4 {
+        I32x4([self[0], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyx(self) -> I32x4 {
+        I32x4([self[1], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyx(self) -> I32x4 {
+        I32x4([self[2], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyx(self) -> I32x4 {
+        I32x4([self[3], self[0], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyx(self) -> I32x4 {
+        I32x4([self[0], self[1], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyx(self) -> I32x4 {
+        I32x4([self[1], self[1], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyx(self) -> I32x4 {
+        I32x4([self[2], self[1], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyx(self) -> I32x4 {
+        I32x4([self[3], self[1], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyx(self) -> I32x4 {
+        I32x4([self[0], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyx(self) -> I32x4 {
+        I32x4([self[1], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyx(self) -> I32x4 {
+        I32x4([self[2], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyx(self) -> I32x4 {
+        I32x4([self[3], self[2], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyx(self) -> I32x4 {
+        I32x4([self[0], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyx(self) -> I32x4 {
+        I32x4([self[1], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyx(self) -> I32x4 {
+        I32x4([self[2], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyx(self) -> I32x4 {
+        I32x4([self[3], self[3], self[1], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzx(self) -> I32x4 {
+        I32x4([self[0], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzx(self) -> I32x4 {
+        I32x4([self[1], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzx(self) -> I32x4 {
+        I32x4([self[2], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzx(self) -> I32x4 {
+        I32x4([self[3], self[0], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzx(self) -> I32x4 {
+        I32x4([self[0], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzx(self) -> I32x4 {
+        I32x4([self[1], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzx(self) -> I32x4 {
+        I32x4([self[2], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzx(self) -> I32x4 {
+        I32x4([self[3], self[1], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzx(self) -> I32x4 {
+        I32x4([self[0], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzx(self) -> I32x4 {
+        I32x4([self[1], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzx(self) -> I32x4 {
+        I32x4([self[2], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzx(self) -> I32x4 {
+        I32x4([self[3], self[2], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzx(self) -> I32x4 {
+        I32x4([self[0], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzx(self) -> I32x4 {
+        I32x4([self[1], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzx(self) -> I32x4 {
+        I32x4([self[2], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzx(self) -> I32x4 {
+        I32x4([self[3], self[3], self[2], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxwx(self) -> I32x4 {
+        I32x4([self[0], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxwx(self) -> I32x4 {
+        I32x4([self[1], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxwx(self) -> I32x4 {
+        I32x4([self[2], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxwx(self) -> I32x4 {
+        I32x4([self[3], self[0], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xywx(self) -> I32x4 {
+        I32x4([self[0], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yywx(self) -> I32x4 {
+        I32x4([self[1], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zywx(self) -> I32x4 {
+        I32x4([self[2], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wywx(self) -> I32x4 {
+        I32x4([self[3], self[1], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzwx(self) -> I32x4 {
+        I32x4([self[0], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzwx(self) -> I32x4 {
+        I32x4([self[1], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzwx(self) -> I32x4 {
+        I32x4([self[2], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzwx(self) -> I32x4 {
+        I32x4([self[3], self[2], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwwx(self) -> I32x4 {
+        I32x4([self[0], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywwx(self) -> I32x4 {
+        I32x4([self[1], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwwx(self) -> I32x4 {
+        I32x4([self[2], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and first
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwwx(self) -> I32x4 {
+        I32x4([self[3], self[3], self[3], self[0])
+    }
+
+    /// Constructs a new vector from the first, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxy(self) -> I32x4 {
+        I32x4([self[0], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxy(self) -> I32x4 {
+        I32x4([self[1], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxy(self) -> I32x4 {
+        I32x4([self[2], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxy(self) -> I32x4 {
+        I32x4([self[3], self[0], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxy(self) -> I32x4 {
+        I32x4([self[0], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxy(self) -> I32x4 {
+        I32x4([self[1], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxy(self) -> I32x4 {
+        I32x4([self[2], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxy(self) -> I32x4 {
+        I32x4([self[3], self[1], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxy(self) -> I32x4 {
+        I32x4([self[0], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxy(self) -> I32x4 {
+        I32x4([self[1], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxy(self) -> I32x4 {
+        I32x4([self[2], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxy(self) -> I32x4 {
+        I32x4([self[3], self[2], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxy(self) -> I32x4 {
+        I32x4([self[0], self[3], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxy(self) -> I32x4 {
+        I32x4([self[1], self[3], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxy(self) -> I32x4 {
+        I32x4([self[2], self[3], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxy(self) -> I32x4 {
+        I32x4([self[3], self[3], self[0], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyy(self) -> I32x4 {
+        I32x4([self[0], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyy(self) -> I32x4 {
+        I32x4([self[1], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyy(self) -> I32x4 {
+        I32x4([self[2], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyy(self) -> I32x4 {
+        I32x4([self[3], self[0], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyy(self) -> I32x4 {
+        I32x4([self[0], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyy(self) -> I32x4 {
+        I32x4([self[1], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyy(self) -> I32x4 {
+        I32x4([self[2], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyy(self) -> I32x4 {
+        I32x4([self[3], self[1], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyy(self) -> I32x4 {
+        I32x4([self[0], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyy(self) -> I32x4 {
+        I32x4([self[1], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyy(self) -> I32x4 {
+        I32x4([self[2], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyy(self) -> I32x4 {
+        I32x4([self[3], self[2], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyy(self) -> I32x4 {
+        I32x4([self[0], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyy(self) -> I32x4 {
+        I32x4([self[1], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyy(self) -> I32x4 {
+        I32x4([self[2], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyy(self) -> I32x4 {
+        I32x4([self[3], self[3], self[1], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzy(self) -> I32x4 {
+        I32x4([self[0], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzy(self) -> I32x4 {
+        I32x4([self[1], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzy(self) -> I32x4 {
+        I32x4([self[2], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzy(self) -> I32x4 {
+        I32x4([self[3], self[0], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzy(self) -> I32x4 {
+        I32x4([self[0], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzy(self) -> I32x4 {
+        I32x4([self[1], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzy(self) -> I32x4 {
+        I32x4([self[2], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzy(self) -> I32x4 {
+        I32x4([self[3], self[1], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzy(self) -> I32x4 {
+        I32x4([self[0], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzy(self) -> I32x4 {
+        I32x4([self[1], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzy(self) -> I32x4 {
+        I32x4([self[2], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzy(self) -> I32x4 {
+        I32x4([self[3], self[2], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzy(self) -> I32x4 {
+        I32x4([self[0], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzy(self) -> I32x4 {
+        I32x4([self[1], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzy(self) -> I32x4 {
+        I32x4([self[2], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzy(self) -> I32x4 {
+        I32x4([self[3], self[3], self[2], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxwy(self) -> I32x4 {
+        I32x4([self[0], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxwy(self) -> I32x4 {
+        I32x4([self[1], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxwy(self) -> I32x4 {
+        I32x4([self[2], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxwy(self) -> I32x4 {
+        I32x4([self[3], self[0], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xywy(self) -> I32x4 {
+        I32x4([self[0], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yywy(self) -> I32x4 {
+        I32x4([self[1], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zywy(self) -> I32x4 {
+        I32x4([self[2], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wywy(self) -> I32x4 {
+        I32x4([self[3], self[1], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzwy(self) -> I32x4 {
+        I32x4([self[0], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzwy(self) -> I32x4 {
+        I32x4([self[1], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzwy(self) -> I32x4 {
+        I32x4([self[2], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzwy(self) -> I32x4 {
+        I32x4([self[3], self[2], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwwy(self) -> I32x4 {
+        I32x4([self[0], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywwy(self) -> I32x4 {
+        I32x4([self[1], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwwy(self) -> I32x4 {
+        I32x4([self[2], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and second
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwwy(self) -> I32x4 {
+        I32x4([self[3], self[3], self[3], self[1])
+    }
+
+    /// Constructs a new vector from the first, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxz(self) -> I32x4 {
+        I32x4([self[0], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxz(self) -> I32x4 {
+        I32x4([self[1], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxz(self) -> I32x4 {
+        I32x4([self[2], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxz(self) -> I32x4 {
+        I32x4([self[3], self[0], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxz(self) -> I32x4 {
+        I32x4([self[0], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxz(self) -> I32x4 {
+        I32x4([self[1], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxz(self) -> I32x4 {
+        I32x4([self[2], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxz(self) -> I32x4 {
+        I32x4([self[3], self[1], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxz(self) -> I32x4 {
+        I32x4([self[0], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxz(self) -> I32x4 {
+        I32x4([self[1], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxz(self) -> I32x4 {
+        I32x4([self[2], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxz(self) -> I32x4 {
+        I32x4([self[3], self[2], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxz(self) -> I32x4 {
+        I32x4([self[0], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxz(self) -> I32x4 {
+        I32x4([self[1], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxz(self) -> I32x4 {
+        I32x4([self[2], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxz(self) -> I32x4 {
+        I32x4([self[3], self[3], self[0], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyz(self) -> I32x4 {
+        I32x4([self[0], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyz(self) -> I32x4 {
+        I32x4([self[1], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyz(self) -> I32x4 {
+        I32x4([self[2], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyz(self) -> I32x4 {
+        I32x4([self[3], self[0], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyz(self) -> I32x4 {
+        I32x4([self[0], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyz(self) -> I32x4 {
+        I32x4([self[1], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyz(self) -> I32x4 {
+        I32x4([self[2], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyz(self) -> I32x4 {
+        I32x4([self[3], self[1], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyz(self) -> I32x4 {
+        I32x4([self[0], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyz(self) -> I32x4 {
+        I32x4([self[1], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyz(self) -> I32x4 {
+        I32x4([self[2], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyz(self) -> I32x4 {
+        I32x4([self[3], self[2], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyz(self) -> I32x4 {
+        I32x4([self[0], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyz(self) -> I32x4 {
+        I32x4([self[1], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyz(self) -> I32x4 {
+        I32x4([self[2], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyz(self) -> I32x4 {
+        I32x4([self[3], self[3], self[1], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzz(self) -> I32x4 {
+        I32x4([self[0], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzz(self) -> I32x4 {
+        I32x4([self[1], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzz(self) -> I32x4 {
+        I32x4([self[2], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzz(self) -> I32x4 {
+        I32x4([self[3], self[0], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzz(self) -> I32x4 {
+        I32x4([self[0], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzz(self) -> I32x4 {
+        I32x4([self[1], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzz(self) -> I32x4 {
+        I32x4([self[2], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzz(self) -> I32x4 {
+        I32x4([self[3], self[1], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzz(self) -> I32x4 {
+        I32x4([self[0], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzz(self) -> I32x4 {
+        I32x4([self[1], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzz(self) -> I32x4 {
+        I32x4([self[2], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzz(self) -> I32x4 {
+        I32x4([self[3], self[2], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzz(self) -> I32x4 {
+        I32x4([self[0], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzz(self) -> I32x4 {
+        I32x4([self[1], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzz(self) -> I32x4 {
+        I32x4([self[2], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzz(self) -> I32x4 {
+        I32x4([self[3], self[3], self[2], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxwz(self) -> I32x4 {
+        I32x4([self[0], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxwz(self) -> I32x4 {
+        I32x4([self[1], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxwz(self) -> I32x4 {
+        I32x4([self[2], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxwz(self) -> I32x4 {
+        I32x4([self[3], self[0], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xywz(self) -> I32x4 {
+        I32x4([self[0], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yywz(self) -> I32x4 {
+        I32x4([self[1], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zywz(self) -> I32x4 {
+        I32x4([self[2], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wywz(self) -> I32x4 {
+        I32x4([self[3], self[1], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzwz(self) -> I32x4 {
+        I32x4([self[0], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzwz(self) -> I32x4 {
+        I32x4([self[1], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzwz(self) -> I32x4 {
+        I32x4([self[2], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzwz(self) -> I32x4 {
+        I32x4([self[3], self[2], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwwz(self) -> I32x4 {
+        I32x4([self[0], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywwz(self) -> I32x4 {
+        I32x4([self[1], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwwz(self) -> I32x4 {
+        I32x4([self[2], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and third
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwwz(self) -> I32x4 {
+        I32x4([self[3], self[3], self[3], self[2])
+    }
+
+    /// Constructs a new vector from the first, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxxw(self) -> I32x4 {
+        I32x4([self[0], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxxw(self) -> I32x4 {
+        I32x4([self[1], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxxw(self) -> I32x4 {
+        I32x4([self[2], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxxw(self) -> I32x4 {
+        I32x4([self[3], self[0], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyxw(self) -> I32x4 {
+        I32x4([self[0], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyxw(self) -> I32x4 {
+        I32x4([self[1], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyxw(self) -> I32x4 {
+        I32x4([self[2], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyxw(self) -> I32x4 {
+        I32x4([self[3], self[1], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzxw(self) -> I32x4 {
+        I32x4([self[0], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzxw(self) -> I32x4 {
+        I32x4([self[1], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzxw(self) -> I32x4 {
+        I32x4([self[2], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzxw(self) -> I32x4 {
+        I32x4([self[3], self[2], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwxw(self) -> I32x4 {
+        I32x4([self[0], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywxw(self) -> I32x4 {
+        I32x4([self[1], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwxw(self) -> I32x4 {
+        I32x4([self[2], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, first, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwxw(self) -> I32x4 {
+        I32x4([self[3], self[3], self[0], self[3])
+    }
+
+    /// Constructs a new vector from the first, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxyw(self) -> I32x4 {
+        I32x4([self[0], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxyw(self) -> I32x4 {
+        I32x4([self[1], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxyw(self) -> I32x4 {
+        I32x4([self[2], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxyw(self) -> I32x4 {
+        I32x4([self[3], self[0], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyyw(self) -> I32x4 {
+        I32x4([self[0], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyyw(self) -> I32x4 {
+        I32x4([self[1], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyyw(self) -> I32x4 {
+        I32x4([self[2], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyyw(self) -> I32x4 {
+        I32x4([self[3], self[1], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzyw(self) -> I32x4 {
+        I32x4([self[0], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzyw(self) -> I32x4 {
+        I32x4([self[1], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzyw(self) -> I32x4 {
+        I32x4([self[2], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzyw(self) -> I32x4 {
+        I32x4([self[3], self[2], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwyw(self) -> I32x4 {
+        I32x4([self[0], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywyw(self) -> I32x4 {
+        I32x4([self[1], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwyw(self) -> I32x4 {
+        I32x4([self[2], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, second, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwyw(self) -> I32x4 {
+        I32x4([self[3], self[3], self[1], self[3])
+    }
+
+    /// Constructs a new vector from the first, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxzw(self) -> I32x4 {
+        I32x4([self[0], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxzw(self) -> I32x4 {
+        I32x4([self[1], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxzw(self) -> I32x4 {
+        I32x4([self[2], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxzw(self) -> I32x4 {
+        I32x4([self[3], self[0], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyzw(self) -> I32x4 {
+        I32x4([self[0], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyzw(self) -> I32x4 {
+        I32x4([self[1], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyzw(self) -> I32x4 {
+        I32x4([self[2], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyzw(self) -> I32x4 {
+        I32x4([self[3], self[1], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzzw(self) -> I32x4 {
+        I32x4([self[0], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzzw(self) -> I32x4 {
+        I32x4([self[1], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzzw(self) -> I32x4 {
+        I32x4([self[2], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzzw(self) -> I32x4 {
+        I32x4([self[3], self[2], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwzw(self) -> I32x4 {
+        I32x4([self[0], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywzw(self) -> I32x4 {
+        I32x4([self[1], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwzw(self) -> I32x4 {
+        I32x4([self[2], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, third, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwzw(self) -> I32x4 {
+        I32x4([self[3], self[3], self[2], self[3])
+    }
+
+    /// Constructs a new vector from the first, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xxww(self) -> I32x4 {
+        I32x4([self[0], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yxww(self) -> I32x4 {
+        I32x4([self[1], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zxww(self) -> I32x4 {
+        I32x4([self[2], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, first, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wxww(self) -> I32x4 {
+        I32x4([self[3], self[0], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the first, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xyww(self) -> I32x4 {
+        I32x4([self[0], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yyww(self) -> I32x4 {
+        I32x4([self[1], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zyww(self) -> I32x4 {
+        I32x4([self[2], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, second, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wyww(self) -> I32x4 {
+        I32x4([self[3], self[1], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the first, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xzww(self) -> I32x4 {
+        I32x4([self[0], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn yzww(self) -> I32x4 {
+        I32x4([self[1], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zzww(self) -> I32x4 {
+        I32x4([self[2], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, third, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wzww(self) -> I32x4 {
+        I32x4([self[3], self[2], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the first, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn xwww(self) -> I32x4 {
+        I32x4([self[0], self[3], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the second, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn ywww(self) -> I32x4 {
+        I32x4([self[1], self[3], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the third, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn zwww(self) -> I32x4 {
+        I32x4([self[2], self[3], self[3], self[3])
+    }
+
+    /// Constructs a new vector from the fourth, fourth, fourth, and fourth
+    /// lanes in this vector, respectively.
+    #[inline]
+    pub fn wwww(self) -> I32x4 {
+        I32x4([self[3], self[3], self[3], self[3])
+    }
+
+    // Concatenations
+
+    #[inline]
+    pub fn concat_xy_xy(self, other: I32x4) -> I32x4 {
+        I32x4([self[0], self[1], other[0], other[1]])
+    }
+
+    // Conversions
+
+    /// Converts these packed integers to floats.
+    #[inline]
+    pub fn to_f32x4(self) -> F32x4 {
+        F32x4([self[0] as f32, self[1] as f32, self[2] as f32, self[3] as f32])
+    }
 }
 
 impl Index<usize> for I32x4 {
@@ -257,6 +3860,21 @@ impl Index<usize> for I32x4 {
     }
 }
 
+impl IndexMut<usize> for I32x4 {
+    #[inline]
+    fn index_mut(&mut self, index: usize) -> &mut i32 {
+        &mut self.0[index]
+    }
+}
+
+impl Add<I32x4> for I32x4 {
+    type Output = I32x4;
+    #[inline]
+    fn add(self, other: I32x4) -> I32x4 {
+        I32x4([self[0] + other[0], self[1] + other[1], self[2] + other[2], self[3] + other[3]])
+    }
+}
+
 impl Sub<I32x4> for I32x4 {
     type Output = I32x4;
     #[inline]
@@ -265,6 +3883,14 @@ impl Sub<I32x4> for I32x4 {
     }
 }
 
+impl Mul<I32x4> for I32x4 {
+    type Output = I32x4;
+    #[inline]
+    fn mul(self, other: I32x4) -> I32x4 {
+        I32x4([self[0] * other[0], self[1] * other[1], self[2] * other[2], self[3] * other[3]])
+    }
+}
+
 // 32-bit unsigned integers
 
 #[derive(Clone, Copy)]
@@ -272,9 +3898,14 @@ pub struct U32x4(pub [u32; 4]);
 
 impl U32x4 {
     #[inline]
-    fn is_all_ones(&self) -> bool {
+    pub fn is_all_ones(&self) -> bool {
         self[0] == !0 && self[1] == !0 && self[2] == !0 && self[3] == !0
     }
+
+    #[inline]
+    pub fn is_all_zeroes(&self) -> bool {
+        self[0] ==  0 && self[1] ==  0 && self[2] ==  0 && self[3] ==  0
+    }
 }
 
 impl Index<usize> for U32x4 {
@@ -302,7 +3933,7 @@ impl U8x16 {
     pub fn shuffle(self, table: U8x16) -> U8x16 {
         let mut result = [0; 16];
         for index in 0..16 {
-            result[index] = table.0[index]
+            result[index] = self.0[(table.0[index] & 0x0f) as usize]
         }
         U8x16(result)
     }