trans.c (Regular_Loop_to_gnu): Do not rotate the loop if -Og is enabled.

	* gcc-interface/trans.c (Regular_Loop_to_gnu): Do not rotate the loop
	if -Og is enabled.
	(build_return_expr): Do not perform NRV if -Og is enabled.
	(Subprogram_Body_to_gnu): Likewise.
	(gnat_to_gnu) <N_Simple_Return_Statement>: Likewise.
	(Handled_Sequence_Of_Statements_to_gnu): Do not inline finalizers if
	-Og is enabled.
	* gcc-interface/utils.c (convert_to_index_type): Return early if -Og
	is enabled.

From-SVN: r276047

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 898ae38..c0bc883 100644 (file)
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,17 @@
 2019-09-23  Eric Botcazou  <ebotcazou@adacore.com>
 
+       * gcc-interface/trans.c (Regular_Loop_to_gnu): Do not rotate the loop
+       if -Og is enabled.
+       (build_return_expr): Do not perform NRV if -Og is enabled.
+       (Subprogram_Body_to_gnu): Likewise.
+       (gnat_to_gnu) <N_Simple_Return_Statement>: Likewise.
+       (Handled_Sequence_Of_Statements_to_gnu): Do not inline finalizers if
+       -Og is enabled.
+       * gcc-interface/utils.c (convert_to_index_type): Return early if -Og
+       is enabled.
+
+2019-09-23  Eric Botcazou  <ebotcazou@adacore.com>
+
        * gcc-interface/trans.c (gnat_compile_time_expr_list): New variable.
        (Pragma_to_gnu): Rename local variable.  Save the (first) expression
        of pragma Compile_Time_{Error|Warning} for later processing.

diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c
index d9cd84d..7b842d4 100644 (file)
--- a/gcc/ada/gcc-interface/trans.c
+++ b/gcc/ada/gcc-interface/trans.c
@@ -3653,7 +3653,7 @@ Regular_Loop_to_gnu (Node_Id gnat_node, tree *gnu_cond_expr_p)
 
         which works in all cases.  */
 
-      if (optimize)
+      if (optimize && !optimize_debug)
        {
          /* We can use the do-while form directly if GNU_FIRST-1 doesn't
             overflow.  */
@@ -4436,6 +4436,7 @@ build_return_expr (tree ret_obj, tree ret_val)
         a candidate for Named Return Value.  If so, record it.  Otherwise,
         if this is an expression of some kind, record it elsewhere.  */
       if (optimize
+         && !optimize_debug
          && AGGREGATE_TYPE_P (operation_type)
          && !TYPE_IS_FAT_POINTER_P (operation_type)
          && TYPE_MODE (operation_type) == BLKmode
@@ -4773,7 +4774,7 @@ Subprogram_Body_to_gnu (Node_Id gnat_node)
 
   /* If the function returns an aggregate type and we have candidates for
      a Named Return Value, finalize the optimization.  */
-  if (optimize && gnu_subprog_language->named_ret_val)
+  if (optimize && !optimize_debug && gnu_subprog_language->named_ret_val)
     {
       finalize_nrv (gnu_subprog_decl,
                    gnu_subprog_language->named_ret_val,
@@ -5893,7 +5894,7 @@ Handled_Sequence_Of_Statements_to_gnu (Node_Id gnat_node)
 
       /* When not optimizing, disable inlining of finalizers as this can
         create a more complex CFG in the parent function.  */
-      if (!optimize)
+      if (!optimize || optimize_debug)
        DECL_DECLARED_INLINE_P (proc_decl) = 0;
 
       /* If there is no end label attached, we use the location of the At_End
@@ -8050,7 +8051,9 @@ gnat_to_gnu (Node_Id gnat_node)
 
                /* And find out whether this is a candidate for Named Return
                   Value.  If so, record it.  */
-               if (!TYPE_CI_CO_LIST (gnu_subprog_type) && optimize)
+               if (optimize
+                   && !optimize_debug
+                   && !TYPE_CI_CO_LIST (gnu_subprog_type))
                  {
                    tree ret_val = gnu_ret_val;
 

diff --git a/gcc/ada/gcc-interface/utils.c b/gcc/ada/gcc-interface/utils.c
index 8a38b34..b9d5af7 100644 (file)
--- a/gcc/ada/gcc-interface/utils.c
+++ b/gcc/ada/gcc-interface/utils.c
@@ -5023,7 +5023,7 @@ convert_to_index_type (tree expr)
 
   /* If the type is unsigned, overflow is allowed so we cannot be sure that
      EXPR doesn't overflow.  Keep it simple if optimization is disabled.  */
-  if (TYPE_UNSIGNED (type) || !optimize)
+  if (TYPE_UNSIGNED (type) || !optimize || optimize_debug)
     return convert (sizetype, expr);
 
   switch (code)