diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/lib.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/lib.rs | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index 58996a9db78..5bfdeb8b93a 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -203,7 +203,7 @@ impl WriteBackendMethods for GccCodegenBackend { fn run_fat_lto(_cgcx: &CodegenContext<Self>, mut modules: Vec<FatLTOInput<Self>>, _cached_modules: Vec<(SerializedModule<Self::ModuleBuffer>, WorkProduct)>) -> Result<LtoModuleCodegen<Self>, FatalError> { // TODO(antoyo): implement LTO by sending -flto to libgccjit and adding the appropriate gcc linker plugins. // NOTE: implemented elsewhere. - // TODO: what is implemented elsewhere ^ ? + // TODO(antoyo): what is implemented elsewhere ^ ? let module = match modules.remove(0) { FatLTOInput::InMemory(module) => module, @@ -301,7 +301,22 @@ pub fn target_features(sess: &Session) -> Vec<Symbol> { ) .filter(|_feature| { // TODO(antoyo): implement a way to get enabled feature in libgccjit. - false + // Probably using the equivalent of __builtin_cpu_supports. + #[cfg(feature="master")] + { + _feature.contains("sse") || _feature.contains("avx") + } + #[cfg(not(feature="master"))] + { + false + } + /* + adx, aes, avx, avx2, avx512bf16, avx512bitalg, avx512bw, avx512cd, avx512dq, avx512er, avx512f, avx512gfni, + avx512ifma, avx512pf, avx512vaes, avx512vbmi, avx512vbmi2, avx512vl, avx512vnni, avx512vp2intersect, avx512vpclmulqdq, + avx512vpopcntdq, bmi1, bmi2, cmpxchg16b, ermsb, f16c, fma, fxsr, lzcnt, movbe, pclmulqdq, popcnt, rdrand, rdseed, rtm, + sha, sse, sse2, sse3, sse4.1, sse4.2, sse4a, ssse3, tbm, xsave, xsavec, xsaveopt, xsaves + */ + //false }) .map(|feature| Symbol::intern(feature)) .collect() |