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rust_for_linux: -Zregparm=<N> commandline flag for X86 (#116972)

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This commit is contained in:
Andrew Zhogin
2024-09-16 22:14:35 +07:00
parent a0c2aba29a
commit b3ae64d24f
20 changed files with 436 additions and 53 deletions
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10
compiler/rustc_codegen_gcc/src/context.rs
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@@ -19,7 +19,9 @@ use rustc_session::Session;
use rustc_span::source_map::respan;
use rustc_span::{DUMMY_SP, Span};
use rustc_target::abi::{HasDataLayout, PointeeInfo, Size, TargetDataLayout, VariantIdx};
use rustc_target::spec::{HasTargetSpec, HasWasmCAbiOpt, Target, TlsModel, WasmCAbi};
use rustc_target::spec::{
HasTargetSpec, HasWasmCAbiOpt, HasX86AbiOpt, Target, TlsModel, WasmCAbi, X86Abi,
};
use crate::callee::get_fn;
use crate::common::SignType;
@@ -538,6 +540,12 @@ impl<'gcc, 'tcx> HasWasmCAbiOpt for CodegenCx<'gcc, 'tcx> {
}
}
impl<'gcc, 'tcx> HasX86AbiOpt for CodegenCx<'gcc, 'tcx> {
fn x86_abi_opt(&self) -> X86Abi {
X86Abi { regparm: self.tcx.sess.opts.unstable_opts.regparm }
}
}
impl<'gcc, 'tcx> LayoutOfHelpers<'tcx> for CodegenCx<'gcc, 'tcx> {
#[inline]
fn handle_layout_err(&self, err: LayoutError<'tcx>, span: Span, ty: Ty<'tcx>) -> ! {