Merge pull request #122 from bjorn3/rustup

Rustup to rustc 1.60.0-nightly (a00e130 2022-01-29)

Author: antoyo

config.sh

@@ -38,7 +38,7 @@ if [[ "$HOST_TRIPLE" != "$TARGET_TRIPLE" ]]; then
    fi
 fi
 
-export RUSTFLAGS="$linker -Cpanic=abort -Zsymbol-mangling-version=v0 -Cdebuginfo=2 -Clto=off -Zpanic-abort-tests -Zcodegen-backend=$(pwd)/target/${CHANNEL:-debug}/librustc_codegen_gcc.$dylib_ext --sysroot $(pwd)/build_sysroot/sysroot"
+export RUSTFLAGS="$linker -Cpanic=abort -Csymbol-mangling-version=v0 -Cdebuginfo=2 -Clto=off -Zpanic-abort-tests -Zcodegen-backend=$(pwd)/target/${CHANNEL:-debug}/librustc_codegen_gcc.$dylib_ext --sysroot $(pwd)/build_sysroot/sysroot"
 
 # FIXME(antoyo): remove once the atomic shim is gone
 if [[ `uname` == 'Darwin' ]]; then

patches/0022-core-Disable-not-compiling-tests.patch

@@ -22,7 +22,7 @@ index 0000000..46fd999
 +[package]
 +name = "core"
 +version = "0.0.0"
-+edition = "2018"
++edition = "2021"
 +
 +[lib]
 +name = "coretests"

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-12-30"
+channel = "nightly-2022-01-30"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

src/asm.rs

@@ -4,9 +4,8 @@ use rustc_codegen_ssa::mir::operand::OperandValue;
 use rustc_codegen_ssa::mir::place::PlaceRef;
 use rustc_codegen_ssa::traits::{AsmBuilderMethods, AsmMethods, BaseTypeMethods, BuilderMethods, GlobalAsmOperandRef, InlineAsmOperandRef};
 
-use rustc_hir::LlvmInlineAsmInner;
 use rustc_middle::{bug, ty::Instance};
-use rustc_span::{Span, Symbol};
+use rustc_span::Span;
 use rustc_target::asm::*;
 
 use std::borrow::Cow;
@@ -106,17 +105,6 @@ enum ConstraintOrRegister {
 
 
 impl<'a, 'gcc, 'tcx> AsmBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
-    fn codegen_llvm_inline_asm(&mut self, _ia: &LlvmInlineAsmInner, _outputs: Vec<PlaceRef<'tcx, RValue<'gcc>>>, _inputs: Vec<RValue<'gcc>>, span: Span) -> bool {
-        self.sess().struct_span_err(span, "GCC backend does not support `llvm_asm!`")
-            .help("consider using the `asm!` macro instead")
-            .emit();
-
-        // We return `true` even if we've failed to generate the asm
-        // because we want to suppress the "malformed inline assembly" error
-        // generated by the frontend.
-        true
-    }
-
     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()
@@ -184,7 +172,7 @@ 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(&Symbol::intern(feature))
+                                        self.tcx.sess.target_features.contains(&feature)
                                     } else {
                                         true // Register class is unconditionally supported
                                     }
@@ -572,6 +560,7 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister {
             InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => unimplemented!(),
             InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => unimplemented!(),
             InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => unimplemented!(),
+            InlineAsmRegClass::Msp430(_) => unimplemented!(),
             InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg16) => unimplemented!(),
             InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg32) => unimplemented!(),
             InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg64) => unimplemented!(),
@@ -634,6 +623,7 @@ fn dummy_output_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, reg: InlineAsmRegCl
         InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => cx.type_i32(),
         InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => cx.type_i32(),
         InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => cx.type_f32(),
+        InlineAsmRegClass::Msp430(_) => unimplemented!(),
         InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg16) => cx.type_i16(),
         InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg32) => cx.type_i32(),
         InlineAsmRegClass::Nvptx(NvptxInlineAsmRegClass::reg64) => cx.type_i64(),
@@ -741,6 +731,7 @@ fn modifier_to_gcc(arch: InlineAsmArch, reg: InlineAsmRegClass, modifier: Option
         InlineAsmRegClass::Bpf(_) => unimplemented!(),
         InlineAsmRegClass::Hexagon(_) => unimplemented!(),
         InlineAsmRegClass::Mips(_) => unimplemented!(),
+        InlineAsmRegClass::Msp430(_) => unimplemented!(),
         InlineAsmRegClass::Nvptx(_) => unimplemented!(),
         InlineAsmRegClass::PowerPC(_) => unimplemented!(),
         InlineAsmRegClass::RiscV(RiscVInlineAsmRegClass::reg)

src/builder.rs

@@ -1110,7 +1110,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         aggregate_value
     }
 
-    fn landing_pad(&mut self, _ty: Type<'gcc>, _pers_fn: RValue<'gcc>, _num_clauses: usize) -> RValue<'gcc> {
+    fn set_personality_fn(&mut self, _personality: RValue<'gcc>) {
+        // TODO(antoyo)
+    }
+
+    fn cleanup_landing_pad(&mut self, _ty: Type<'gcc>, _pers_fn: RValue<'gcc>) -> RValue<'gcc> {
         let field1 = self.context.new_field(None, self.u8_type, "landing_pad_field_1");
         let field2 = self.context.new_field(None, self.i32_type, "landing_pad_field_1");
         let struct_type = self.context.new_struct_type(None, "landing_pad", &[field1, field2]);
@@ -1121,38 +1125,31 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         // rustc_codegen_ssa now calls the unwinding builder methods even on panic=abort.
     }
 
-    fn set_cleanup(&mut self, _landing_pad: RValue<'gcc>) {
-        // TODO(antoyo)
-    }
-
-    fn resume(&mut self, _exn: RValue<'gcc>) -> RValue<'gcc> {
+    fn resume(&mut self, _exn: RValue<'gcc>) {
         unimplemented!();
     }
 
     fn cleanup_pad(&mut self, _parent: Option<RValue<'gcc>>, _args: &[RValue<'gcc>]) -> Funclet {
         unimplemented!();
     }
 
-    fn cleanup_ret(&mut self, _funclet: &Funclet, _unwind: Option<Block<'gcc>>) -> RValue<'gcc> {
+    fn cleanup_ret(&mut self, _funclet: &Funclet, _unwind: Option<Block<'gcc>>) {
         unimplemented!();
     }
 
     fn catch_pad(&mut self, _parent: RValue<'gcc>, _args: &[RValue<'gcc>]) -> Funclet {
         unimplemented!();
     }
 
-    fn catch_switch(&mut self, _parent: Option<RValue<'gcc>>, _unwind: Option<Block<'gcc>>, _num_handlers: usize) -> RValue<'gcc> {
+    fn catch_switch(
+        &mut self,
+        _parent: Option<RValue<'gcc>>,
+        _unwind: Option<Block<'gcc>>,
+        _handlers: &[Block<'gcc>],
+    ) -> RValue<'gcc> {
         unimplemented!();
     }
 
-    fn add_handler(&mut self, _catch_switch: RValue<'gcc>, _handler: Block<'gcc>) {
-        unimplemented!();
-    }
-
-    fn set_personality_fn(&mut self, _personality: RValue<'gcc>) {
-        // TODO(antoyo)
-    }
-
     // Atomic Operations
     fn atomic_cmpxchg(&mut self, dst: RValue<'gcc>, cmp: RValue<'gcc>, src: RValue<'gcc>, order: AtomicOrdering, failure_order: AtomicOrdering, weak: bool) -> RValue<'gcc> {
         let expected = self.current_func().new_local(None, cmp.get_type(), "expected");
@@ -1257,8 +1254,8 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         self.cx
     }
 
-    fn do_not_inline(&mut self, _llret: RValue<'gcc>) {
-        unimplemented!();
+    fn apply_attrs_to_cleanup_callsite(&mut self, _llret: RValue<'gcc>) {
+        // TODO
     }
 
     fn set_span(&mut self, _span: Span) {}

src/type_.rs

@@ -121,10 +121,10 @@ impl<'gcc, 'tcx> BaseTypeMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
         if self.is_int_type_or_bool(typ) {
             TypeKind::Integer
         }
-        else if typ == self.float_type {
+        else if typ.is_compatible_with(self.float_type) {
             TypeKind::Float
         }
-        else if typ == self.double_type {
+        else if typ.is_compatible_with(self.double_type) {
             TypeKind::Double
         }
         else if typ.dyncast_vector().is_some() {

src/type_of.rs

@@ -57,7 +57,7 @@ pub fn uncached_gcc_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, layout: TyAndLa
                 (layout.ty.kind(), &layout.variants)
             {
                 if def.is_enum() && !def.variants.is_empty() {
-                    write!(&mut name, "::{}", def.variants[index].ident).unwrap();
+                    write!(&mut name, "::{}", def.variants[index].name).unwrap();
                 }
             }
             if let (&ty::Generator(_, _, _), &Variants::Single { index }) =

test.sh

@@ -195,7 +195,7 @@ EOF
     git checkout src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs
     rm src/test/ui/llvm-asm/llvm-asm-in-out-operand.rs || true # TODO(antoyo): Enable back this test if I ever implement the llvm_asm! macro.
 
-    RUSTC_ARGS="-Zpanic-abort-tests -Zsymbol-mangling-version=v0 -Zcodegen-backend="$(pwd)"/../target/"$CHANNEL"/librustc_codegen_gcc."$dylib_ext" --sysroot "$(pwd)"/../build_sysroot/sysroot -Cpanic=abort"
+    RUSTC_ARGS="-Zpanic-abort-tests -Csymbol-mangling-version=v0 -Zcodegen-backend="$(pwd)"/../target/"$CHANNEL"/librustc_codegen_gcc."$dylib_ext" --sysroot "$(pwd)"/../build_sysroot/sysroot -Cpanic=abort"
 
     echo "[TEST] rustc test suite"
     COMPILETEST_FORCE_STAGE0=1 ./x.py test --run always --stage 0 src/test/ui/ --rustc-args "$RUSTC_ARGS"