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Use std::simd instead of the simd crate

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This commit is contained in:
Simon Sapin 2018-05-24 17:39:38 +02:00
parent 62c37e00ab
commit 266cb29788
5 changed files with 10 additions and 20 deletions
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5
components/gfx/Cargo.toml
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@ -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"

5
components/gfx/lib.rs
View file

@ -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;

12
components/gfx/text/glyph.rs
View file

@ -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 {