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Use unstable_target_features when checking inline assembly

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This is necessary to properly validate register classes even when the
relevant target feature name is still unstable.
This commit is contained in:
Amanieu d'Antras 2023-08-04 16:09:54 +01:00
parent da6b55cc5e
commit a3ab31c0f9
2 changed files with 6 additions and 5 deletions
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4
compiler/rustc_codegen_gcc/src/asm.rs
View File

@ -107,7 +107,7 @@ enum ConstraintOrRegister {
impl<'a, 'gcc, 'tcx> AsmBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_operands: &[InlineAsmOperandRef<'tcx, Self>], options: InlineAsmOptions, span: &[Span], _instance: Instance<'_>, _dest_catch_funclet: Option<(Self::BasicBlock, Self::BasicBlock, Option<&Self::Funclet>)>) {
fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_operands: &[InlineAsmOperandRef<'tcx, Self>], options: InlineAsmOptions, span: &[Span], instance: Instance<'_>, _dest_catch_funclet: Option<(Self::BasicBlock, Self::BasicBlock, Option<&Self::Funclet>)>) {
if options.contains(InlineAsmOptions::MAY_UNWIND) {
self.sess()
.create_err(UnwindingInlineAsm { span: span[0] })
@ -173,7 +173,7 @@ impl<'a, 'gcc, 'tcx> AsmBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
let is_target_supported = reg.reg_class().supported_types(asm_arch).iter()
.any(|&(_, feature)| {
if let Some(feature) = feature {
self.tcx.sess.target_features.contains(&feature)
self.tcx.asm_target_features(instance.def_id()).contains(&feature)
} else {
true // Register class is unconditionally supported
}

7
compiler/rustc_codegen_llvm/src/asm.rs
View File

@ -44,9 +44,10 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> {
let is_target_supported = |reg_class: InlineAsmRegClass| {
for &(_, feature) in reg_class.supported_types(asm_arch) {
if let Some(feature) = feature {
let codegen_fn_attrs = self.tcx.codegen_fn_attrs(instance.def_id());
if self.tcx.sess.target_features.contains(&feature)
|| codegen_fn_attrs.target_features.contains(&feature)
if self
.tcx
.asm_target_features(instance.def_id())
.contains(&feature)
{
return true;
}