toplev.c (output_stack_usage): Be prepared for suffixes created by the compiler…

toplev.c (output_stack_usage): Be prepared for suffixes created by the compiler in the function names.

	* toplev.c (output_stack_usage): Be prepared for suffixes created by
	the compiler in the function names.

From-SVN: r202339

gcc/ChangeLog

+2013-09-06  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* toplev.c (output_stack_usage): Be prepared for suffixes created by
+	the compiler in the function names.
+
 2013-09-06  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/58094
@@ -8,8 +13,8 @@
 
 2013-09-06  Jan Hubicka  <jh@suse.cz>
 
-	* i386.c (ix86_hard_regno_mode_ok): AVX modes are valid only when	
-	AVX is enabled.
+	* config/i386/i386.c (ix86_hard_regno_mode_ok): AVX modes are valid
+	only when AVX is enabled.
 
 2013-09-06  James Greenhalgh  <james.greenhalgh@arm.com>
 

gcc/testsuite/ChangeLog

+2013-09-06  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/stack_usage2.adb: New test.
+
 2013-09-06  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* gcc.target/aarch64/table-intrinsics.c

gcc/testsuite/gnat.dg/stack_usage2.adb

+-- { dg-do compile }
+-- { dg-options "-O2 -fstack-usage" }
+
+with System;
+
+procedure Stack_Usage2 is
+
+   Sink : System.Address;
+   pragma Import (Ada, Sink);
+
+   procedure Transmit_Data (Branch : Integer) is
+      pragma No_Inline (Transmit_Data);
+      X : Integer;
+   begin
+      case Branch is
+         when 1 => Sink := X'Address;
+         when others => null;
+      end case;
+   end;
+
+begin
+   Transmit_Data (Branch => 1);
+end;
+
+-- { dg-final { scan-stack-usage-not ":Constprop" } }
+-- { dg-final { cleanup-stack-usage } }

gcc/toplev.c

@@ -1017,22 +1017,35 @@ output_stack_usage (void)
     {
       expanded_location loc
 	= expand_location (DECL_SOURCE_LOCATION (current_function_decl));
-      const char *raw_id, *id;
-
-      /* Strip the scope prefix if any.  */
-      raw_id = lang_hooks.decl_printable_name (current_function_decl, 2);
-      id = strrchr (raw_id, '.');
-      if (id)
-	id++;
+      /* We don't want to print the full qualified name because it can be long,
+	 so we strip the scope prefix, but we may need to deal with the suffix
+	 created by the compiler.  */
+      const char *suffix
+	= strchr (IDENTIFIER_POINTER (DECL_NAME (current_function_decl)), '.');
+      const char *name
+	= lang_hooks.decl_printable_name (current_function_decl, 2);
+      if (suffix)
+	{
+	  const char *dot = strchr (name, '.');
+	  while (dot && strcasecmp (dot, suffix) != 0)
+	    {
+	      name = dot + 1;
+	      dot = strchr (name, '.');
+	    }
+	}
       else
-	id = raw_id;
+	{
+	  const char *dot = strrchr (name, '.');
+	  if (dot)
+	    name = dot + 1;
+	}
 
       fprintf (stack_usage_file,
 	       "%s:%d:%d:%s\t"HOST_WIDE_INT_PRINT_DEC"\t%s\n",
 	       lbasename (loc.file),
 	       loc.line,
 	       loc.column,
-	       id,
+	       name,
 	       stack_usage,
 	       stack_usage_kind_str[stack_usage_kind]);
     }