Pass a Symbol to check_name, emit_feature_err, and related functions.
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Nicholas Nethercote
parent
79602c87b5
commit
fb084a48e2
114 changed files with 671 additions and 621 deletions
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@ -7,6 +7,7 @@ use rustc_target::spec::MergeFunctions;
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use libc::c_int;
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use std::ffi::CString;
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use syntax::feature_gate::UnstableFeatures;
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use syntax::symbol::sym;
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use std::str;
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use std::slice;
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@ -93,106 +94,106 @@ unsafe fn configure_llvm(sess: &Session) {
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// to LLVM or the feature detection code will walk past the end of the feature
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// array, leading to crashes.
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const ARM_WHITELIST: &[(&str, Option<&str>)] = &[
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("aclass", Some("arm_target_feature")),
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("mclass", Some("arm_target_feature")),
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("rclass", Some("arm_target_feature")),
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("dsp", Some("arm_target_feature")),
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("neon", Some("arm_target_feature")),
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("v5te", Some("arm_target_feature")),
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("v6", Some("arm_target_feature")),
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("v6k", Some("arm_target_feature")),
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("v6t2", Some("arm_target_feature")),
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("v7", Some("arm_target_feature")),
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("v8", Some("arm_target_feature")),
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("vfp2", Some("arm_target_feature")),
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("vfp3", Some("arm_target_feature")),
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("vfp4", Some("arm_target_feature")),
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const ARM_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("aclass", Some(sym::arm_target_feature)),
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("mclass", Some(sym::arm_target_feature)),
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("rclass", Some(sym::arm_target_feature)),
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("dsp", Some(sym::arm_target_feature)),
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("neon", Some(sym::arm_target_feature)),
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("v5te", Some(sym::arm_target_feature)),
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("v6", Some(sym::arm_target_feature)),
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("v6k", Some(sym::arm_target_feature)),
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("v6t2", Some(sym::arm_target_feature)),
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("v7", Some(sym::arm_target_feature)),
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("v8", Some(sym::arm_target_feature)),
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("vfp2", Some(sym::arm_target_feature)),
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("vfp3", Some(sym::arm_target_feature)),
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("vfp4", Some(sym::arm_target_feature)),
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];
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const AARCH64_WHITELIST: &[(&str, Option<&str>)] = &[
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("fp", Some("aarch64_target_feature")),
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("neon", Some("aarch64_target_feature")),
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("sve", Some("aarch64_target_feature")),
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("crc", Some("aarch64_target_feature")),
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("crypto", Some("aarch64_target_feature")),
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("ras", Some("aarch64_target_feature")),
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("lse", Some("aarch64_target_feature")),
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("rdm", Some("aarch64_target_feature")),
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("fp16", Some("aarch64_target_feature")),
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("rcpc", Some("aarch64_target_feature")),
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("dotprod", Some("aarch64_target_feature")),
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("v8.1a", Some("aarch64_target_feature")),
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("v8.2a", Some("aarch64_target_feature")),
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("v8.3a", Some("aarch64_target_feature")),
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const AARCH64_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("fp", Some(sym::aarch64_target_feature)),
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("neon", Some(sym::aarch64_target_feature)),
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("sve", Some(sym::aarch64_target_feature)),
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("crc", Some(sym::aarch64_target_feature)),
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("crypto", Some(sym::aarch64_target_feature)),
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("ras", Some(sym::aarch64_target_feature)),
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("lse", Some(sym::aarch64_target_feature)),
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("rdm", Some(sym::aarch64_target_feature)),
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("fp16", Some(sym::aarch64_target_feature)),
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("rcpc", Some(sym::aarch64_target_feature)),
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("dotprod", Some(sym::aarch64_target_feature)),
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("v8.1a", Some(sym::aarch64_target_feature)),
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("v8.2a", Some(sym::aarch64_target_feature)),
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("v8.3a", Some(sym::aarch64_target_feature)),
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];
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const X86_WHITELIST: &[(&str, Option<&str>)] = &[
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("adx", Some("adx_target_feature")),
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const X86_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("adx", Some(sym::adx_target_feature)),
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("aes", None),
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("avx", None),
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("avx2", None),
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("avx512bw", Some("avx512_target_feature")),
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("avx512cd", Some("avx512_target_feature")),
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("avx512dq", Some("avx512_target_feature")),
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("avx512er", Some("avx512_target_feature")),
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("avx512f", Some("avx512_target_feature")),
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("avx512ifma", Some("avx512_target_feature")),
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("avx512pf", Some("avx512_target_feature")),
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("avx512vbmi", Some("avx512_target_feature")),
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("avx512vl", Some("avx512_target_feature")),
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("avx512vpopcntdq", Some("avx512_target_feature")),
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("avx512bw", Some(sym::avx512_target_feature)),
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("avx512cd", Some(sym::avx512_target_feature)),
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("avx512dq", Some(sym::avx512_target_feature)),
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("avx512er", Some(sym::avx512_target_feature)),
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("avx512f", Some(sym::avx512_target_feature)),
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("avx512ifma", Some(sym::avx512_target_feature)),
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("avx512pf", Some(sym::avx512_target_feature)),
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("avx512vbmi", Some(sym::avx512_target_feature)),
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("avx512vl", Some(sym::avx512_target_feature)),
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("avx512vpopcntdq", Some(sym::avx512_target_feature)),
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("bmi1", None),
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("bmi2", None),
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("cmpxchg16b", Some("cmpxchg16b_target_feature")),
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("f16c", Some("f16c_target_feature")),
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("cmpxchg16b", Some(sym::cmpxchg16b_target_feature)),
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("f16c", Some(sym::f16c_target_feature)),
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("fma", None),
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("fxsr", None),
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("lzcnt", None),
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("mmx", Some("mmx_target_feature")),
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("movbe", Some("movbe_target_feature")),
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("mmx", Some(sym::mmx_target_feature)),
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("movbe", Some(sym::movbe_target_feature)),
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("pclmulqdq", None),
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("popcnt", None),
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("rdrand", None),
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("rdseed", None),
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("rtm", Some("rtm_target_feature")),
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("rtm", Some(sym::rtm_target_feature)),
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("sha", None),
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("sse", None),
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("sse2", None),
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("sse3", None),
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("sse4.1", None),
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("sse4.2", None),
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("sse4a", Some("sse4a_target_feature")),
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("sse4a", Some(sym::sse4a_target_feature)),
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("ssse3", None),
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("tbm", Some("tbm_target_feature")),
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("tbm", Some(sym::tbm_target_feature)),
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("xsave", None),
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("xsavec", None),
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("xsaveopt", None),
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("xsaves", None),
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];
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const HEXAGON_WHITELIST: &[(&str, Option<&str>)] = &[
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("hvx", Some("hexagon_target_feature")),
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("hvx-double", Some("hexagon_target_feature")),
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const HEXAGON_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("hvx", Some(sym::hexagon_target_feature)),
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("hvx-double", Some(sym::hexagon_target_feature)),
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];
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const POWERPC_WHITELIST: &[(&str, Option<&str>)] = &[
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("altivec", Some("powerpc_target_feature")),
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("power8-altivec", Some("powerpc_target_feature")),
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("power9-altivec", Some("powerpc_target_feature")),
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("power8-vector", Some("powerpc_target_feature")),
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("power9-vector", Some("powerpc_target_feature")),
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("vsx", Some("powerpc_target_feature")),
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const POWERPC_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("altivec", Some(sym::powerpc_target_feature)),
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("power8-altivec", Some(sym::powerpc_target_feature)),
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("power9-altivec", Some(sym::powerpc_target_feature)),
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("power8-vector", Some(sym::powerpc_target_feature)),
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("power9-vector", Some(sym::powerpc_target_feature)),
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("vsx", Some(sym::powerpc_target_feature)),
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];
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const MIPS_WHITELIST: &[(&str, Option<&str>)] = &[
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("fp64", Some("mips_target_feature")),
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("msa", Some("mips_target_feature")),
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const MIPS_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("fp64", Some(sym::mips_target_feature)),
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("msa", Some(sym::mips_target_feature)),
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];
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const WASM_WHITELIST: &[(&str, Option<&str>)] = &[
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("simd128", Some("wasm_target_feature")),
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("atomics", Some("wasm_target_feature")),
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const WASM_WHITELIST: &[(&str, Option<Symbol>)] = &[
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("simd128", Some(sym::wasm_target_feature)),
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("atomics", Some(sym::wasm_target_feature)),
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];
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/// When rustdoc is running, provide a list of all known features so that all their respective
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@ -200,7 +201,7 @@ const WASM_WHITELIST: &[(&str, Option<&str>)] = &[
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///
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/// IMPORTANT: If you're adding another whitelist to the above lists, make sure to add it to this
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/// iterator!
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pub fn all_known_features() -> impl Iterator<Item=(&'static str, Option<&'static str>)> {
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pub fn all_known_features() -> impl Iterator<Item=(&'static str, Option<Symbol>)> {
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ARM_WHITELIST.iter().cloned()
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.chain(AARCH64_WHITELIST.iter().cloned())
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.chain(X86_WHITELIST.iter().cloned())
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@ -247,7 +248,7 @@ pub fn target_features(sess: &Session) -> Vec<Symbol> {
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}
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pub fn target_feature_whitelist(sess: &Session)
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-> &'static [(&'static str, Option<&'static str>)]
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-> &'static [(&'static str, Option<Symbol>)]
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{
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match &*sess.target.target.arch {
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"arm" => ARM_WHITELIST,
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