gccrs: Scaffolding asm codegen

gcc/rust/ChangeLog:

	* backend/rust-compile-block.h:
	Scaffolding asm codegen
	* backend/rust-compile-expr.cc (CompileExpr::visit): Likewise.
	* backend/rust-compile-expr.h: Likewise.
	* checks/errors/borrowck/rust-bir-builder-expr-stmt.cc (ExprStmtBuilder::visit): Likewise.
	* checks/errors/borrowck/rust-bir-builder-expr-stmt.h: Likewise.
	* checks/errors/borrowck/rust-bir-builder-lazyboolexpr.h: Likewise.
	* checks/errors/privacy/rust-privacy-reporter.cc (PrivacyReporter::visit): Likewise.
	* checks/errors/privacy/rust-privacy-reporter.h: Likewise.
	* hir/tree/rust-hir-expr.h: Likewise.
	* hir/tree/rust-hir-visitor.h: Likewise.
	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Likewise.
	* typecheck/rust-hir-type-check-expr.h: Likewise.

2 files changed, 11 insertions, 0 deletions

diff --git a/gcc/rust/hir/tree/rust-hir-expr.h b/gcc/rust/hir/tree/rust-hir-expr.h
index 5d2cdd1..7b2e32e 100644
--- a/gcc/rust/hir/tree/rust-hir-expr.h
+++ b/gcc/rust/hir/tree/rust-hir-expr.h
@@ -4162,6 +4162,16 @@ public:
       options (std::move (options))
 
   {}
+
+  // This function checks if the assembly macro is "simple" or not, according to
+  // the tree defition (tree.h) of the
+  bool is_simple ()
+  {
+    return operands.size () == 0 && clobber_abi.size () == 0
+	   && options.size () == 0;
+  }
+
+  bool is_inline_asm () { return !is_global_asm; }
 };
 } // namespace HIR
 } // namespace Rust
diff --git a/gcc/rust/hir/tree/rust-hir-visitor.h b/gcc/rust/hir/tree/rust-hir-visitor.h
index 72609f4..e69e951 100644
--- a/gcc/rust/hir/tree/rust-hir-visitor.h
+++ b/gcc/rust/hir/tree/rust-hir-visitor.h
@@ -450,6 +450,7 @@ public:
   virtual void visit (IfExprConseqElse &expr) = 0;
   virtual void visit (IfLetExpr &expr) = 0;
   virtual void visit (IfLetExprConseqElse &expr) = 0;
+  virtual void visit (InlineAsm &expr) = 0;
   virtual void visit (MatchExpr &expr) = 0;
   virtual void visit (AwaitExpr &expr) = 0;
   virtual void visit (AsyncBlockExpr &expr) = 0;