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Rollup merge of #53179 - gnzlbg:patch-3, r=alexcrichton

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Whitelist wasm32 simd128 target feature

r? @alexcrichton
This commit is contained in:
kennytm 2018-08-09 16:58:48 +08:00
commit 7f886cf12b
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4 changed files with 9 additions and 1 deletions
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6
src/librustc_codegen_llvm/llvm_util.rs
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@ -169,6 +169,10 @@ const MIPS_WHITELIST: &[(&str, Option<&str>)] = &[
("msa", Some("mips_target_feature")), ("msa", Some("mips_target_feature")),
]; ];
const WASM_WHITELIST: &[(&str, Option<&str>)] = &[
("simd128", Some("wasm_target_feature")),
];
/// When rustdoc is running, provide a list of all known features so that all their respective /// When rustdoc is running, provide a list of all known features so that all their respective
/// primtives may be documented. /// primtives may be documented.
/// ///
@ -181,6 +185,7 @@ pub fn all_known_features() -> impl Iterator<Item=(&'static str, Option<&'static
.chain(HEXAGON_WHITELIST.iter().cloned()) .chain(HEXAGON_WHITELIST.iter().cloned())
.chain(POWERPC_WHITELIST.iter().cloned()) .chain(POWERPC_WHITELIST.iter().cloned())
.chain(MIPS_WHITELIST.iter().cloned()) .chain(MIPS_WHITELIST.iter().cloned())
.chain(WASM_WHITELIST.iter().cloned())
} }
pub fn to_llvm_feature<'a>(sess: &Session, s: &'a str) -> &'a str { pub fn to_llvm_feature<'a>(sess: &Session, s: &'a str) -> &'a str {
@ -228,6 +233,7 @@ pub fn target_feature_whitelist(sess: &Session)
"hexagon" => HEXAGON_WHITELIST, "hexagon" => HEXAGON_WHITELIST,
"mips" | "mips64" => MIPS_WHITELIST, "mips" | "mips64" => MIPS_WHITELIST,
"powerpc" | "powerpc64" => POWERPC_WHITELIST, "powerpc" | "powerpc64" => POWERPC_WHITELIST,
"wasm32" => WASM_WHITELIST,
_ => &[], _ => &[],
} }
} }

1
src/libsyntax/feature_gate.rs
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@ -452,6 +452,7 @@ declare_features! (
(active, mmx_target_feature, "1.27.0", Some(44839), None), (active, mmx_target_feature, "1.27.0", Some(44839), None),
(active, sse4a_target_feature, "1.27.0", Some(44839), None), (active, sse4a_target_feature, "1.27.0", Some(44839), None),
(active, tbm_target_feature, "1.27.0", Some(44839), None), (active, tbm_target_feature, "1.27.0", Some(44839), None),
(active, wasm_target_feature, "1.30.0", Some(44839), None),
// Allows macro invocations of the form `#[foo::bar]` // Allows macro invocations of the form `#[foo::bar]`
(active, proc_macro_path_invoc, "1.27.0", Some(38356), None), (active, proc_macro_path_invoc, "1.27.0", Some(38356), None),

1
src/test/ui/target-feature-gate.rs
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@ -23,6 +23,7 @@
// gate-test-hexagon_target_feature // gate-test-hexagon_target_feature
// gate-test-mips_target_feature // gate-test-mips_target_feature
// gate-test-mmx_target_feature // gate-test-mmx_target_feature
// gate-test-wasm_target_feature
// min-llvm-version 6.0 // min-llvm-version 6.0
#[target_feature(enable = "avx512bw")] #[target_feature(enable = "avx512bw")]

2
src/test/ui/target-feature-gate.stderr
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@ -1,5 +1,5 @@
error[E0658]: the target feature `avx512bw` is currently unstable (see issue #44839) error[E0658]: the target feature `avx512bw` is currently unstable (see issue #44839)
--> $DIR/target-feature-gate.rs:28:18 --> $DIR/target-feature-gate.rs:29:18
| |
LL | #[target_feature(enable = "avx512bw")] LL | #[target_feature(enable = "avx512bw")]
| ^^^^^^^^^^^^^^^^^^^ | ^^^^^^^^^^^^^^^^^^^