diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/base.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/base.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_gcc/src/base.rs b/compiler/rustc_codegen_gcc/src/base.rs index f5aca35cdcb..e4ecbd46f0c 100644 --- a/compiler/rustc_codegen_gcc/src/base.rs +++ b/compiler/rustc_codegen_gcc/src/base.rs @@ -78,9 +78,19 @@ pub fn compile_codegen_unit<'tcx>(tcx: TyCtxt<'tcx>, cgu_name: Symbol, supports_ let context = Context::default(); // TODO(antoyo): only set on x86 platforms. context.add_command_line_option("-masm=intel"); + // TODO(antoyo): only add the following cli argument if the feature is supported. + context.add_command_line_option("-msse2"); + context.add_command_line_option("-mavx2"); + context.add_command_line_option("-msha"); + context.add_command_line_option("-mpclmul"); + // FIXME(antoyo): the following causes an illegal instruction on vmovdqu64 in std_example on my CPU. + // Only add if the CPU supports it. + //context.add_command_line_option("-mavx512f"); for arg in &tcx.sess.opts.cg.llvm_args { context.add_command_line_option(arg); } + // NOTE: This is needed to compile the file src/intrinsic/archs.rs during a bootstrap of rustc. + context.add_command_line_option("-fno-var-tracking-assignments"); // NOTE: an optimization (https://github.com/rust-lang/rustc_codegen_gcc/issues/53). context.add_command_line_option("-fno-semantic-interposition"); // NOTE: Rust relies on LLVM not doing TBAA (https://github.com/rust-lang/unsafe-code-guidelines/issues/292). |