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-rw-r--r--compiler/rustc_codegen_gcc/src/asm.rs16
-rw-r--r--compiler/rustc_codegen_gcc/src/base.rs4
-rw-r--r--compiler/rustc_codegen_gcc/src/builder.rs1
-rw-r--r--compiler/rustc_codegen_gcc/src/context.rs15
-rw-r--r--compiler/rustc_codegen_gcc/src/debuginfo.rs13
-rw-r--r--compiler/rustc_codegen_gcc/src/intrinsic/mod.rs13
-rw-r--r--compiler/rustc_codegen_gcc/src/lib.rs4
7 files changed, 45 insertions, 21 deletions
diff --git a/compiler/rustc_codegen_gcc/src/asm.rs b/compiler/rustc_codegen_gcc/src/asm.rs
index 17e2e028b16..a14881c502c 100644
--- a/compiler/rustc_codegen_gcc/src/asm.rs
+++ b/compiler/rustc_codegen_gcc/src/asm.rs
@@ -698,8 +698,12 @@ fn reg_class_to_gcc(reg_class: InlineAsmRegClass) -> &'static str {
         InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => "b",
         InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::freg) => "f",
         InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::vreg) => "v",
-        InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::cr)
-        | InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::xer) => {
+        InlineAsmRegClass::PowerPC(
+            PowerPCInlineAsmRegClass::cr
+            | PowerPCInlineAsmRegClass::ctr
+            | PowerPCInlineAsmRegClass::lr
+            | PowerPCInlineAsmRegClass::xer,
+        ) => {
             unreachable!("clobber-only")
         }
         InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) => "r",
@@ -777,8 +781,12 @@ fn dummy_output_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, reg: InlineAsmRegCl
         InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::vreg) => {
             cx.type_vector(cx.type_i32(), 4)
         }
-        InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::cr)
-        | InlineAsmRegClass::PowerPC(PowerPCInlineAsmRegClass::xer) => {
+        InlineAsmRegClass::PowerPC(
+            PowerPCInlineAsmRegClass::cr
+            | PowerPCInlineAsmRegClass::ctr
+            | PowerPCInlineAsmRegClass::lr
+            | PowerPCInlineAsmRegClass::xer,
+        ) => {
             unreachable!("clobber-only")
         }
         InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg) => cx.type_i32(),
diff --git a/compiler/rustc_codegen_gcc/src/base.rs b/compiler/rustc_codegen_gcc/src/base.rs
index e9d72e457a0..e8672f49580 100644
--- a/compiler/rustc_codegen_gcc/src/base.rs
+++ b/compiler/rustc_codegen_gcc/src/base.rs
@@ -15,9 +15,9 @@ use rustc_middle::mir::mono::Visibility;
 use rustc_middle::ty::TyCtxt;
 use rustc_session::config::DebugInfo;
 use rustc_span::Symbol;
+use rustc_target::spec::RelocModel;
 #[cfg(feature = "master")]
 use rustc_target::spec::SymbolVisibility;
-use rustc_target::spec::{PanicStrategy, RelocModel};
 
 use crate::builder::Builder;
 use crate::context::CodegenCx;
@@ -101,7 +101,7 @@ pub fn compile_codegen_unit(
         // Instantiate monomorphizations without filling out definitions yet...
         let context = new_context(tcx);
 
-        if tcx.sess.panic_strategy() == PanicStrategy::Unwind {
+        if tcx.sess.panic_strategy().unwinds() {
             context.add_command_line_option("-fexceptions");
             context.add_driver_option("-fexceptions");
         }
diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs
index f7a7a3f8c7e..5657620879c 100644
--- a/compiler/rustc_codegen_gcc/src/builder.rs
+++ b/compiler/rustc_codegen_gcc/src/builder.rs
@@ -1383,6 +1383,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         _src_align: Align,
         size: RValue<'gcc>,
         flags: MemFlags,
+        _tt: Option<rustc_ast::expand::typetree::FncTree>, // Autodiff TypeTrees are LLVM-only, ignored in GCC backend
     ) {
         assert!(!flags.contains(MemFlags::NONTEMPORAL), "non-temporal memcpy not supported");
         let size = self.intcast(size, self.type_size_t(), false);
diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs
index 665cf22ddba..c9ae96777de 100644
--- a/compiler/rustc_codegen_gcc/src/context.rs
+++ b/compiler/rustc_codegen_gcc/src/context.rs
@@ -147,7 +147,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
             let layout = tcx
                 .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(rust_type))
                 .unwrap();
-            let align = layout.align.abi.bytes();
+            let align = layout.align.bytes();
             // For types with size 1, the alignment can be 1 and only 1
             // So, we can skip the call to ``get_aligned`.
             // In the future, we can add a GCC API to query the type align,
@@ -186,9 +186,9 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
             (i128_type, u128_type)
         } else {
             /*let layout = tcx.layout_of(ParamEnv::reveal_all().and(tcx.types.i128)).unwrap();
-            let i128_align = layout.align.abi.bytes();
+            let i128_align = layout.align.bytes();
             let layout = tcx.layout_of(ParamEnv::reveal_all().and(tcx.types.u128)).unwrap();
-            let u128_align = layout.align.abi.bytes();*/
+            let u128_align = layout.align.bytes();*/
 
             // TODO(antoyo): re-enable the alignment when libgccjit fixed the issue in
             // gcc_jit_context_new_array_constructor (it should not use reinterpret_cast).
@@ -529,7 +529,10 @@ impl<'gcc, 'tcx> HasX86AbiOpt for CodegenCx<'gcc, 'tcx> {
 impl<'gcc, 'tcx> LayoutOfHelpers<'tcx> for CodegenCx<'gcc, 'tcx> {
     #[inline]
     fn handle_layout_err(&self, err: LayoutError<'tcx>, span: Span, ty: Ty<'tcx>) -> ! {
-        if let LayoutError::SizeOverflow(_) | LayoutError::ReferencesError(_) = err {
+        if let LayoutError::SizeOverflow(_)
+        | LayoutError::InvalidSimd { .. }
+        | LayoutError::ReferencesError(_) = err
+        {
             self.tcx.dcx().emit_fatal(respan(span, err.into_diagnostic()))
         } else {
             self.tcx.dcx().emit_fatal(ssa_errors::FailedToGetLayout { span, ty, err })
@@ -545,7 +548,9 @@ impl<'gcc, 'tcx> FnAbiOfHelpers<'tcx> for CodegenCx<'gcc, 'tcx> {
         span: Span,
         fn_abi_request: FnAbiRequest<'tcx>,
     ) -> ! {
-        if let FnAbiError::Layout(LayoutError::SizeOverflow(_)) = err {
+        if let FnAbiError::Layout(LayoutError::SizeOverflow(_) | LayoutError::InvalidSimd { .. }) =
+            err
+        {
             self.tcx.dcx().emit_fatal(respan(span, err))
         } else {
             match fn_abi_request {
diff --git a/compiler/rustc_codegen_gcc/src/debuginfo.rs b/compiler/rustc_codegen_gcc/src/debuginfo.rs
index 4c8585192a1..0f015cc23f5 100644
--- a/compiler/rustc_codegen_gcc/src/debuginfo.rs
+++ b/compiler/rustc_codegen_gcc/src/debuginfo.rs
@@ -29,13 +29,24 @@ impl<'a, 'gcc, 'tcx> DebugInfoBuilderMethods for Builder<'a, 'gcc, 'tcx> {
         _variable_alloca: Self::Value,
         _direct_offset: Size,
         _indirect_offsets: &[Size],
-        _fragment: Option<Range<Size>>,
+        _fragment: &Option<Range<Size>>,
     ) {
         // FIXME(tempdragon): Not sure if this is correct, probably wrong but still keep it here.
         #[cfg(feature = "master")]
         _variable_alloca.set_location(_dbg_loc);
     }
 
+    fn dbg_var_value(
+        &mut self,
+        _dbg_var: Self::DIVariable,
+        _dbg_loc: Self::DILocation,
+        _value: Self::Value,
+        _direct_offset: Size,
+        _indirect_offsets: &[Size],
+        _fragment: &Option<Range<Size>>,
+    ) {
+    }
+
     fn insert_reference_to_gdb_debug_scripts_section_global(&mut self) {
         // TODO(antoyo): insert reference to gdb debug scripts section global.
     }
diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
index eb0a5336a1f..99a4f9b9f7e 100644
--- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
+++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
@@ -29,7 +29,6 @@ use rustc_middle::ty::layout::LayoutOf;
 use rustc_middle::ty::{self, Instance, Ty};
 use rustc_span::{Span, Symbol, sym};
 use rustc_target::callconv::{ArgAbi, PassMode};
-use rustc_target::spec::PanicStrategy;
 
 #[cfg(feature = "master")]
 use crate::abi::FnAbiGccExt;
@@ -730,7 +729,7 @@ impl<'gcc, 'tcx> ArgAbiExt<'gcc, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
         if self.is_sized_indirect() {
             OperandValue::Ref(PlaceValue::new_sized(val, self.layout.align.abi)).store(bx, dst)
         } else if self.is_unsized_indirect() {
-            bug!("unsized `ArgAbi` must be handled through `store_fn_arg`");
+            bug!("unsized `ArgAbi` cannot be stored");
         } else if let PassMode::Cast { ref cast, .. } = self.mode {
             // FIXME(eddyb): Figure out when the simpler Store is safe, clang
             // uses it for i16 -> {i8, i8}, but not for i24 -> {i8, i8, i8}.
@@ -771,6 +770,7 @@ impl<'gcc, 'tcx> ArgAbiExt<'gcc, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
                     scratch_align,
                     bx.const_usize(self.layout.size.bytes()),
                     MemFlags::empty(),
+                    None,
                 );
 
                 bx.lifetime_end(scratch, scratch_size);
@@ -797,12 +797,7 @@ impl<'gcc, 'tcx> ArgAbiExt<'gcc, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
                 OperandValue::Pair(next(), next()).store(bx, dst);
             }
             PassMode::Indirect { meta_attrs: Some(_), .. } => {
-                let place_val = PlaceValue {
-                    llval: next(),
-                    llextra: Some(next()),
-                    align: self.layout.align.abi,
-                };
-                OperandValue::Ref(place_val).store(bx, dst);
+                bug!("unsized `ArgAbi` cannot be stored");
             }
             PassMode::Direct(_)
             | PassMode::Indirect { meta_attrs: None, .. }
@@ -1339,7 +1334,7 @@ fn try_intrinsic<'a, 'b, 'gcc, 'tcx>(
     _catch_func: RValue<'gcc>,
     dest: PlaceRef<'tcx, RValue<'gcc>>,
 ) {
-    if bx.sess().panic_strategy() == PanicStrategy::Abort {
+    if !bx.sess().panic_strategy().unwinds() {
         bx.call(bx.type_void(), None, None, try_func, &[data], None, None);
         // Return 0 unconditionally from the intrinsic call;
         // we can never unwind.
diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs
index f76f933cad4..ec7eab8489a 100644
--- a/compiler/rustc_codegen_gcc/src/lib.rs
+++ b/compiler/rustc_codegen_gcc/src/lib.rs
@@ -184,6 +184,10 @@ impl CodegenBackend for GccCodegenBackend {
         crate::DEFAULT_LOCALE_RESOURCE
     }
 
+    fn name(&self) -> &'static str {
+        "gcc"
+    }
+
     fn init(&self, _sess: &Session) {
         #[cfg(feature = "master")]
         {
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-11-07 18:31:41 +0000