[Bug target/10567] -fno-delayed-branch no honored when -mflat

["pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10567



------- Additional Comments From pinskia at gcc dot gnu dot org  2003-08-24 02:54 -------
David could you test a patch for me as I do not have access to a sparc?
Index: sparc.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/sparc/sparc.c,v
retrieving revision 1.256
diff -u -p -r1.256 sparc.c
--- sparc.c     16 Aug 2003 23:59:56 -0000      1.256
+++ sparc.c     24 Aug 2003 02:51:18 -0000
@@ -7223,11 +7223,13 @@ sparc_flat_function_epilogue (FILE *file
            fprintf (file, "\tset\t" HOST_WIDE_INT_PRINT_DEC ", %s\n",
                     size, t1_str);
        }
-
-      if (current_function_returns_struct)
-       fprintf (file, "\tjmp\t%%o7+12\n");
-      else
-       fprintf (file, "\tretl\n");
+      if (flag_delayed_branch)
+        {
+          if (current_function_returns_struct)
+           fprintf (file, "\tjmp\t%%o7+12\n");
+          else
+           fprintf (file, "\tretl\n");
+        }
 
       /* If the only register saved is the return address, we need a
         nop, unless we have an instruction to put into it.  Otherwise
@@ -7247,8 +7249,16 @@ sparc_flat_function_epilogue (FILE *file
       else if (size > 0)
        fprintf (file, "\tadd\t%s, %d, %s\n", sp_str, (int) size, sp_str);
 
-      else
+      else if (flag_delayed_branch)
        fprintf (file, "\tnop\n");
+     
+      if (!flag_delayed_branch)
+        {
+          if (current_function_returns_struct)
+            fprintf (file, "\tjmp\t%%o7+12\n\tnop\n");
+          else
+            fprintf (file, "\tretl\n\tnop\n");
+        }
     }
 
   /* Reset state info for each function.  */