diff --git a/src/base.rs b/src/base.rs index be149ffe5a16..e3558b6b8751 100644 --- a/src/base.rs +++ b/src/base.rs @@ -129,8 +129,19 @@ pub fn compile_codegen_unit( // NOTE: Rust relies on LLVM doing wrapping on overflow. context.add_command_line_option("-fwrapv"); + if let Some(model) = tcx.sess.code_model() { + use rustc_target::spec::CodeModel; + + context.add_command_line_option(match model { + CodeModel::Tiny => "-mcmodel=tiny", + CodeModel::Small => "-mcmodel=small", + CodeModel::Kernel => "-mcmodel=kernel", + CodeModel::Medium => "-mcmodel=medium", + CodeModel::Large => "-mcmodel=large", + }); + } + if tcx.sess.relocation_model() == rustc_target::spec::RelocModel::Static { - context.add_command_line_option("-mcmodel=kernel"); context.add_command_line_option("-fno-pie"); }