Use std::simd instead of the simd crate

Cargo.lock

@@ -1011,7 +1011,6 @@ dependencies = [
  "servo_arc 0.1.1",
  "servo_atoms 0.0.1",
  "servo_url 0.0.1",
- "simd 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "style 0.0.1",
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2894,11 +2893,6 @@ name = "signpost"
 version = "0.1.0"
 source = "git+https://github.com/pcwalton/signpost.git#7ed712507f343c38646b9d1fefd049166f9c9a18"
 
-[[package]]
-name = "simd"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "siphasher"
 version = "0.2.2"
@@ -3944,7 +3938,6 @@ dependencies = [
 "checksum shared_library 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8254bf098ce4d8d7cc7cc6de438c5488adc5297e5b7ffef88816c0a91bd289c1"
 "checksum sig 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c6649e43c1a1e68d29ed56d0dc3b5b6cf3b901da77cf107c4066b9e3da036df5"
 "checksum signpost 0.1.0 (git+https://github.com/pcwalton/signpost.git)" = "<none>"
-"checksum simd 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a94d14a2ae1f1f110937de5fb69e494372560181c7e1739a097fcc2cee37ba0"
 "checksum siphasher 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0df90a788073e8d0235a67e50441d47db7c8ad9debd91cbf43736a2a92d36537"
 "checksum slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
 "checksum smallbitvec 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "665fbc8384f961eb55c548daa2a4b1efff1f9d03b7a10f162ac6ad6a781ca966"

components/gfx/Cargo.toml

@@ -13,7 +13,7 @@ test = false
 doctest = false
 
 [features]
-unstable = ["simd"]
+unstable = []
 
 [dependencies]
 app_units = "0.6"
@@ -60,9 +60,6 @@ servo-fontconfig = "0.2.1"
 [target.'cfg(target_os = "android")'.dependencies]
 xml5ever = {version = "0.12"}
 
-[target.'cfg(any(target_feature = "sse2", target_feature = "neon"))'.dependencies]
-simd = {version = "0.2.0", optional = true}
-
 [target.'cfg(target_os = "windows")'.dependencies]
 dwrote = "0.4"
 truetype = "0.26"

components/gfx/lib.rs

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // For SIMD
-#![cfg_attr(feature = "unstable", feature(cfg_target_feature))]
+#![cfg_attr(feature = "unstable", feature(cfg_target_feature, stdsimd))]
 
 #![deny(unsafe_code)]
 
@@ -50,9 +50,6 @@ extern crate range;
 extern crate servo_arc;
 #[macro_use] extern crate servo_atoms;
 extern crate servo_url;
-#[cfg(feature = "unstable")]
-#[cfg(any(target_feature = "sse2", target_feature = "neon"))]
-extern crate simd;
 extern crate smallvec;
 extern crate style;
 extern crate time;

components/gfx/text/glyph.rs

@@ -5,10 +5,10 @@
 use app_units::Au;
 use euclid::Point2D;
 use range::{self, EachIndex, Range, RangeIndex};
-#[cfg(all(feature = "unstable", any(target_feature = "sse2", target_feature = "neon")))]
-use simd::u32x4;
 use std::{fmt, mem, u16};
 use std::cmp::{Ordering, PartialOrd};
+#[cfg(all(feature = "unstable", any(target_feature = "sse2", target_feature = "neon")))]
+use std::simd::u32x4;
 use std::vec::Vec;
 
 pub use gfx_traits::ByteIndex;
@@ -606,7 +606,8 @@ impl<'a> GlyphStore {
         let buf = self.transmute_entry_buffer_to_u32_buffer();
 
         for i in 0..num_simd_iterations {
-            let v = u32x4::load(buf, begin + i * 4);
+            let offset = begin + i * 4;
+            let v = u32x4::load_unaligned(&buf[offset..]);
             let advance = (v & advance_mask) >> GLYPH_ADVANCE_SHIFT;
             let spaces = (v & space_flag_mask) >> FLAG_CHAR_IS_SPACE_SHIFT;
             simd_advance = simd_advance + advance;
@@ -647,7 +648,10 @@ impl<'a> GlyphStore {
     #[cfg(any(target_feature = "sse2", target_feature = "neon"))]
     #[allow(unsafe_code)]
     fn transmute_entry_buffer_to_u32_buffer(&self) -> &[u32] {
-        unsafe { mem::transmute(self.entry_buffer.as_slice()) }
+        // Statically assert identical sizes
+        let _ = mem::transmute::<GlyphEntry, u32>;
+
+        unsafe { mem::transmute::<&[GlyphEntry], &[u32]>(self.entry_buffer.as_slice()) }
     }
 
     pub fn char_is_space(&self, i: ByteIndex) -> bool {

python/tidy/servo_tidy/licenseck.py

@@ -62,7 +62,6 @@ licenses_dep_toml = [
     'name = "freetype"',
     'name = "js"',
     'name = "servo-freetype-sys"',
-    'name = "simd"',
     'name = "webrender"',
     'name = "webrender_api"',
 ]