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[Ada] Rewrite tests on Convention_Intrinsic

Message ID 20211020192734.GA3154124@adacore.com
State New
Headers show
Series [Ada] Rewrite tests on Convention_Intrinsic | expand

Commit Message

Pierre-Marie de Rodat Oct. 20, 2021, 7:27 p.m. UTC 
Testing for Convention_Intrinsic is not the proper way in order to spot
intrinsic subprograms, calling the predicate Is_Intrinsic_Subprogram is.

Tested on x86_64-pc-linux-gnu, committed on trunk

gcc/ada/

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>:
	Replace test on Convention_Intrinsic with Is_Intrinsic_Subprogram.
	(gnat_to_gnu_param): Likewise.
	(gnat_to_gnu_subprog_type): Likewise.
	* gcc-interface/trans.c (elaborate_all_entities_for_package): Ditto.
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Patch

diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c
--- a/gcc/ada/gcc-interface/decl.c
+++ b/gcc/ada/gcc-interface/decl.c
@@ -3946,7 +3946,7 @@  gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, bool definition)
 	bool extern_flag
 	  = ((Is_Public (gnat_entity) && !definition)
 	     || imported_p
-	     || (Convention (gnat_entity) == Convention_Intrinsic
+	     || (Is_Intrinsic_Subprogram (gnat_entity)
 		 && Has_Pragma_Inline_Always (gnat_entity)));
 	tree gnu_param_list;
 
@@ -5366,7 +5366,7 @@  gnat_to_gnu_param (Entity_Id gnat_param, tree gnu_param_type, bool first,
   /* Builtins are expanded inline and there is no real call sequence involved.
      So the type expected by the underlying expander is always the type of the
      argument "as is".  */
-  if (Convention (gnat_subprog) == Convention_Intrinsic
+  if (Is_Intrinsic_Subprogram (gnat_subprog)
       && Present (Interface_Name (gnat_subprog)))
     mech = By_Copy;
 
@@ -5823,9 +5823,10 @@  gnat_to_gnu_subprog_type (Entity_Id gnat_subprog, bool definition,
 
   else
     {
-      /* For foreign convention subprograms, return System.Address as void *
-	 or equivalent.  Note that this comprises GCC builtins.  */
-      if (Has_Foreign_Convention (gnat_subprog)
+      /* For foreign convention/intrinsic subprograms, return System.Address
+	 as void * or equivalent; this comprises GCC builtins.  */
+      if ((Has_Foreign_Convention (gnat_subprog)
+	   || Is_Intrinsic_Subprogram (gnat_subprog))
 	  && Is_Descendant_Of_Address (Underlying_Type (gnat_return_type)))
 	gnu_return_type = ptr_type_node;
       else
@@ -5995,9 +5996,10 @@  gnat_to_gnu_subprog_type (Entity_Id gnat_subprog, bool definition,
 	{
 	  Entity_Id gnat_param_type = Etype (gnat_param);
 
-	  /* For foreign convention subprograms, pass System.Address as void *
-	     or equivalent.  Note that this comprises GCC builtins.  */
-	  if (Has_Foreign_Convention (gnat_subprog)
+	  /* For foreign convention/intrinsic subprograms, pass System.Address
+	     as void * or equivalent; this comprises GCC builtins.  */
+	  if ((Has_Foreign_Convention (gnat_subprog)
+	       || Is_Intrinsic_Subprogram (gnat_subprog))
 	      && Is_Descendant_Of_Address (Underlying_Type (gnat_param_type)))
 	    gnu_param_type = ptr_type_node;
 	  else
@@ -6303,7 +6305,7 @@  gnat_to_gnu_subprog_type (Entity_Id gnat_subprog, bool definition,
 
       /* If this subprogram is expectedly bound to a GCC builtin, fetch the
 	 corresponding DECL node and check the parameter association.  */
-      if (Convention (gnat_subprog) == Convention_Intrinsic
+      if (Is_Intrinsic_Subprogram (gnat_subprog)
 	  && Present (Interface_Name (gnat_subprog)))
 	{
 	  tree gnu_ext_name = create_concat_name (gnat_subprog, NULL);


diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c
--- a/gcc/ada/gcc-interface/trans.c
+++ b/gcc/ada/gcc-interface/trans.c
@@ -9079,7 +9079,7 @@  elaborate_all_entities_for_package (Entity_Id gnat_package)
 	continue;
 
       /* Skip stuff internal to the compiler.  */
-      if (Convention (gnat_entity) == Convention_Intrinsic)
+      if (Is_Intrinsic_Subprogram (gnat_entity))
 	continue;
       if (kind == E_Operator)
 	continue;