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.

12 files changed, 40 insertions, 0 deletions

diff --git a/gcc/rust/backend/rust-compile-block.h b/gcc/rust/backend/rust-compile-block.h
index 52cf057..112f7b0 100644
--- a/gcc/rust/backend/rust-compile-block.h
+++ b/gcc/rust/backend/rust-compile-block.h
@@ -101,6 +101,7 @@ public:
   void visit (HIR::MatchExpr &) override {}
   void visit (HIR::AwaitExpr &) override {}
   void visit (HIR::AsyncBlockExpr &) override {}
+  void visit (HIR::InlineAsm &) override {}
 
 private:
   CompileConditionalBlocks (Context *ctx, Bvariable *result)
@@ -184,6 +185,7 @@ public:
   void visit (HIR::MatchExpr &) override {}
   void visit (HIR::AwaitExpr &) override {}
   void visit (HIR::AsyncBlockExpr &) override {}
+  void visit (HIR::InlineAsm &) override {}
 
 private:
   CompileExprWithBlock (Context *ctx, Bvariable *result)
diff --git a/gcc/rust/backend/rust-compile-expr.cc b/gcc/rust/backend/rust-compile-expr.cc
index 557b9fe..2d58194 100644
--- a/gcc/rust/backend/rust-compile-expr.cc
+++ b/gcc/rust/backend/rust-compile-expr.cc
@@ -319,6 +319,10 @@ CompileExpr::visit (HIR::IfExpr &expr)
 }
 
 void
+CompileExpr::visit (HIR::InlineAsm &expr)
+{}
+
+void
 CompileExpr::visit (HIR::IfExprConseqElse &expr)
 {
   TyTy::BaseType *if_type = nullptr;
diff --git a/gcc/rust/backend/rust-compile-expr.h b/gcc/rust/backend/rust-compile-expr.h
index af2e1bc..8f18702 100644
--- a/gcc/rust/backend/rust-compile-expr.h
+++ b/gcc/rust/backend/rust-compile-expr.h
@@ -68,6 +68,7 @@ public:
   void visit (HIR::RangeFullExpr &expr) override;
   void visit (HIR::RangeFromToInclExpr &expr) override;
   void visit (HIR::ClosureExpr &expr) override;
+  void visit (HIR::InlineAsm &expr) override;
 
   // TODO
   void visit (HIR::ErrorPropagationExpr &) override {}
diff --git a/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.cc b/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.cc
index 887b5f6..e9f1d97 100644
--- a/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.cc
+++ b/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.cc
@@ -21,6 +21,7 @@
 #include "rust-bir-builder-lazyboolexpr.h"
 #include "rust-bir-builder-pattern.h"
 #include "rust-bir-builder-struct.h"
+#include "rust-hir-expr.h"
 
 namespace Rust {
 namespace BIR {
@@ -318,6 +319,10 @@ ExprStmtBuilder::visit (HIR::CallExpr &expr)
 }
 
 void
+ExprStmtBuilder::visit (HIR::InlineAsm &expr)
+{}
+
+void
 ExprStmtBuilder::visit (HIR::MethodCallExpr &expr)
 {}
 
diff --git a/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.h b/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.h
index 1597ff2..d67d86f 100644
--- a/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.h
+++ b/gcc/rust/checks/errors/borrowck/rust-bir-builder-expr-stmt.h
@@ -99,6 +99,7 @@ protected: // Expr
   void visit (HIR::WhileLetLoopExpr &expr) override;
   void visit (HIR::IfExpr &expr) override;
   void visit (HIR::IfExprConseqElse &expr) override;
+  void visit (HIR::InlineAsm &expr) override;
 
   void visit (HIR::IfLetExpr &expr) override;
   void visit (HIR::IfLetExprConseqElse &expr) override;
diff --git a/gcc/rust/checks/errors/borrowck/rust-bir-builder-lazyboolexpr.h b/gcc/rust/checks/errors/borrowck/rust-bir-builder-lazyboolexpr.h
index 0a013bd..5a475e4 100644
--- a/gcc/rust/checks/errors/borrowck/rust-bir-builder-lazyboolexpr.h
+++ b/gcc/rust/checks/errors/borrowck/rust-bir-builder-lazyboolexpr.h
@@ -213,6 +213,8 @@ public:
     return_place (ExprStmtBuilder (ctx).build (expr), expr.get_locus ());
   }
 
+  void visit (HIR::InlineAsm &expr) override {}
+
 protected: // Illegal at this position.
   void visit (HIR::StructExprFieldIdentifier &field) override
   {
diff --git a/gcc/rust/checks/errors/privacy/rust-privacy-reporter.cc b/gcc/rust/checks/errors/privacy/rust-privacy-reporter.cc
index d2e448c..048b4aa 100644
--- a/gcc/rust/checks/errors/privacy/rust-privacy-reporter.cc
+++ b/gcc/rust/checks/errors/privacy/rust-privacy-reporter.cc
@@ -284,6 +284,12 @@ PrivacyReporter::visit (HIR::TypePathSegmentFunction &)
 }
 
 void
+PrivacyReporter::visit (HIR::InlineAsm &)
+{
+  return;
+}
+
+void
 PrivacyReporter::visit (HIR::TypePath &path)
 {
   check_for_privacy_violation (path.get_mappings ().get_nodeid (),
diff --git a/gcc/rust/checks/errors/privacy/rust-privacy-reporter.h b/gcc/rust/checks/errors/privacy/rust-privacy-reporter.h
index d54732f..c00ab37 100644
--- a/gcc/rust/checks/errors/privacy/rust-privacy-reporter.h
+++ b/gcc/rust/checks/errors/privacy/rust-privacy-reporter.h
@@ -126,6 +126,7 @@ types
   virtual void visit (HIR::MatchExpr &expr);
   virtual void visit (HIR::AwaitExpr &expr);
   virtual void visit (HIR::AsyncBlockExpr &expr);
+  virtual void visit (HIR::InlineAsm &expr);
 
   virtual void visit (HIR::EnumItemTuple &);
   virtual void visit (HIR::EnumItemStruct &);
diff --git a/gcc/rust/hir/tree/rust-hir-expr.h b/gcc/rust/hir/tree/rust-hir-expr.h
index 59023a9..d82462e 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 09ce053..840dc2e 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;
diff --git a/gcc/rust/typecheck/rust-hir-type-check-expr.cc b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
index 12a8b65..cd41f86 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-expr.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
@@ -776,6 +776,12 @@ TypeCheckExpr::visit (HIR::RangeToExpr &expr)
 }
 
 void
+TypeCheckExpr::visit (HIR::InlineAsm &expr)
+{
+  return;
+}
+
+void
 TypeCheckExpr::visit (HIR::RangeFullExpr &expr)
 {
   auto lang_item_type = LangItem::Kind::RANGE_FULL;
diff --git a/gcc/rust/typecheck/rust-hir-type-check-expr.h b/gcc/rust/typecheck/rust-hir-type-check-expr.h
index 9ea4dc6..2f4a2c5 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-expr.h
+++ b/gcc/rust/typecheck/rust-hir-type-check-expr.h
@@ -71,6 +71,7 @@ public:
   void visit (HIR::RangeFromToInclExpr &expr) override;
   void visit (HIR::WhileLoopExpr &expr) override;
   void visit (HIR::ClosureExpr &expr) override;
+  void visit (HIR::InlineAsm &expr) override;
 
   // TODO
   void visit (HIR::ErrorPropagationExpr &) override {}