bjoernager/rust
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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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8
compiler/rustc_codegen_gcc/src/builder.rs
View file

@ -30,7 +30,7 @@ use rustc_middle::ty::{Instance, ParamEnv, Ty, TyCtxt};
use rustc_span::Span;
use rustc_span::def_id::DefId;
use rustc_target::abi::call::FnAbi;
use rustc_target::spec::{HasTargetSpec, HasWasmCAbiOpt, Target, WasmCAbi};
use rustc_target::spec::{HasTargetSpec, HasWasmCAbiOpt, HasX86AbiOpt, Target, WasmCAbi, X86Abi};
use crate::common::{SignType, TypeReflection, type_is_pointer};
use crate::context::CodegenCx;
@ -2347,6 +2347,12 @@ impl<'tcx> HasWasmCAbiOpt for Builder<'_, '_, 'tcx> {
}
}
impl<'tcx> HasX86AbiOpt for Builder<'_, '_, 'tcx> {
fn x86_abi_opt(&self) -> X86Abi {
self.cx.x86_abi_opt()
}
}
pub trait ToGccComp {
fn to_gcc_comparison(&self) -> ComparisonOp;
}

10
compiler/rustc_codegen_gcc/src/context.rs
View file

@ -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>) -> ! {