diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/base.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/base.rs | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/compiler/rustc_codegen_gcc/src/base.rs b/compiler/rustc_codegen_gcc/src/base.rs index d464bd3d12a..dcd560b3dcd 100644 --- a/compiler/rustc_codegen_gcc/src/base.rs +++ b/compiler/rustc_codegen_gcc/src/base.rs @@ -8,6 +8,8 @@ use gccjit::{ }; use rustc_middle::dep_graph; use rustc_middle::ty::TyCtxt; +#[cfg(feature="master")] +use rustc_middle::mir::mono::Visibility; use rustc_middle::mir::mono::Linkage; use rustc_codegen_ssa::{ModuleCodegen, ModuleKind}; use rustc_codegen_ssa::base::maybe_create_entry_wrapper; @@ -20,6 +22,15 @@ use crate::GccContext; use crate::builder::Builder; use crate::context::CodegenCx; +#[cfg(feature="master")] +pub fn visibility_to_gcc(linkage: Visibility) -> gccjit::Visibility { + match linkage { + Visibility::Default => gccjit::Visibility::Default, + Visibility::Hidden => gccjit::Visibility::Hidden, + Visibility::Protected => gccjit::Visibility::Protected, + } +} + pub fn global_linkage_to_gcc(linkage: Linkage) -> GlobalKind { match linkage { Linkage::External => GlobalKind::Imported, @@ -76,16 +87,34 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, supports_128bit_i // Instantiate monomorphizations without filling out definitions yet... //let llvm_module = ModuleLlvm::new(tcx, &cgu_name.as_str()); let context = Context::default(); + + context.add_command_line_option("-fexceptions"); + context.add_driver_option("-fexceptions"); + // 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"); + context.add_command_line_option("-msha"); + context.add_command_line_option("-mpclmul"); + context.add_command_line_option("-mfma"); + context.add_command_line_option("-mfma4"); + context.add_command_line_option("-m64"); + context.add_command_line_option("-mbmi"); + context.add_command_line_option("-mgfni"); + //context.add_command_line_option("-mavxvnni"); // The CI doesn't support this option. + context.add_command_line_option("-mf16c"); + context.add_command_line_option("-maes"); + context.add_command_line_option("-mxsavec"); + context.add_command_line_option("-mbmi2"); + context.add_command_line_option("-mrtm"); + context.add_command_line_option("-mvaes"); + context.add_command_line_option("-mvpclmulqdq"); + context.add_command_line_option("-mavx"); + for arg in &tcx.sess.opts.cg.llvm_args { context.add_command_line_option(arg); } @@ -95,12 +124,20 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, supports_128bit_i 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). context.add_command_line_option("-fno-strict-aliasing"); + // NOTE: Rust relies on LLVM doing wrapping on overflow. + context.add_command_line_option("-fwrapv"); if tcx.sess.opts.unstable_opts.function_sections.unwrap_or(tcx.sess.target.function_sections) { context.add_command_line_option("-ffunction-sections"); context.add_command_line_option("-fdata-sections"); } + if env::var("CG_GCCJIT_DUMP_RTL").as_deref() == Ok("1") { + context.add_command_line_option("-fdump-rtl-vregs"); + } + if env::var("CG_GCCJIT_DUMP_TREE_ALL").as_deref() == Ok("1") { + context.add_command_line_option("-fdump-tree-all"); + } if env::var("CG_GCCJIT_DUMP_CODE").as_deref() == Ok("1") { context.set_dump_code_on_compile(true); } @@ -115,7 +152,7 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, supports_128bit_i context.set_keep_intermediates(true); } - // TODO(bjorn3): Remove once unwinding is properly implemented + // NOTE: The codegen generates unrechable blocks. context.set_allow_unreachable_blocks(true); { |