Bug 1521249 part 2 - Make packed_simd compile with Rust 1.32 and late…

…r. r=glandium

This adds the Firefox-required build.rs hack and reverts the commit
that added bitmasks in a way that depends on Rust 1.34 compiler
internals.

Depends on D20288

Differential Revision: https://phabricator.services.mozilla.com/D20289

--HG--
extra : moz-landing-system : lando

.cargo/config.in

@@ -22,5 +22,10 @@ git = "https://github.com/glandium/cc-rs"
 branch = "1.0.23-clang-cl-aarch64"
 replace-with = "vendored-sources"
 
+[source."https://github.com/rust-lang-nursery/packed_simd"]
+git = "https://github.com/hsivonen/packed_simd"
+branch = "rust_1_32"
+replace-with = "vendored-sources"
+
 [source.vendored-sources]
 directory = '@top_srcdir@/third_party/rust'

Cargo.toml

@@ -61,3 +61,4 @@ libudev-sys = { path = "dom/webauthn/libudev-sys" }
 serde_derive = { git = "https://github.com/servo/serde", branch = "deserialize_from_enums9" }
 winapi = { git = "https://github.com/froydnj/winapi-rs", branch = "aarch64" }
 cc = { git = "https://github.com/glandium/cc-rs", branch = "1.0.23-clang-cl-aarch64" }
+packed_simd = { git = "https://github.com/hsivonen/packed_simd", branch = "rust_1_32" }

third_party/rust/packed_simd/.appveyor.yml

@@ -0,0 +1,59 @@
+matrix:
+  allow_failures:
+    # FIXME: https://github.com/rust-lang-nursery/packed_simd/issues/72
+    - TARGET: i686-pc-windows-msvc
+    - TARGET: i686-pc-windows-gnu
+    - TARGET: x86_64-pc-windows-gnu
+  fast_finish: true
+
+environment:
+  matrix:
+    - TARGET: x86_64-pc-windows-msvc
+      MSYSTEM: MINGW64
+      NOVERIFY: "1"
+    - TARGET: x86_64-pc-windows-msvc
+      MSYSTEM: MINGW64
+      RUSTFLAGS: "-C target-feature=+sse4.2"
+      NOVERIFY: "1"
+    - TARGET: x86_64-pc-windows-msvc
+      MSYSTEM: MINGW64
+      RUSTFLAGS: "-C target-feature=+avx"
+      NOVERIFY: "1"
+    - TARGET: x86_64-pc-windows-msvc
+      MSYSTEM: MINGW64
+      RUSTFLAGS: "-C target-feature=+avx2"
+      NOVERIFY: "1"
+
+    - TARGET: i686-pc-windows-msvc
+      MSYSTEM: MINGW32
+      NOVERIFY: "1"
+    - TARGET: i686-pc-windows-msvc
+      MSYSTEM: MINGW32
+      RUSTFLAGS: "-C target-feature=+sse4.2"
+      NOVERIFY: "1"
+    - TARGET: i686-pc-windows-msvc
+      MSYSTEM: MINGW32
+      RUSTFLAGS: "-C target-feature=+avx"
+      NOVERIFY: "1"
+    - TARGET: i686-pc-windows-msvc
+      MSYSTEM: MINGW32
+      RUSTFLAGS: "-C target-feature=+avx2"
+      NOVERIFY: "1"
+
+    - TARGET: x86_64-pc-windows-gnu
+      MSYSTEM: MINGW64
+
+    - TARGET: i686-pc-windows-gnu
+      MSYSTEM: MINGW32
+    - TARGET: x86_64-pc-windows-gnu
+      MSYSTEM: MINGW64
+install:
+  - ps: if (ls -r . -fi "*.rs" | sls "`t") { throw "Found tab character" }
+  - ps: Start-FileDownload "https://static.rust-lang.org/dist/rust-nightly-${env:TARGET}.exe" -FileName "rust-install.exe"
+  - ps: .\rust-install.exe /VERYSILENT /NORESTART /DIR="C:\rust" | Out-Null
+  - ps: $env:PATH="$env:PATH;C:\rust\bin"
+  - set PATH=c:\msys64\%MSYSTEM%\bin;c:\msys64\usr\bin;%PATH%
+  - rustc -vV
+  - cargo -vV
+build: false
+test_script: bash -c "ci/run.sh"