gcc/testsuite/gcc.dg/struct-simple.c

   1 /* { dg-do-run } */
   2 /* { dg-require-effective-target word_mode_no_slow_unalign } */
   3 /* { dg-additional-options "-fdump-rtl-final" } */
   4
   5 /* Copyright 1996, 1999, 2007 Free Software Foundation, Inc.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.
  20
  21    Please email any bugs, comments, and/or additions to this file to:
  22    bug-gdb@prep.ai.mit.edu  */
  23
  24 #include <stdio.h>
  25
  26 struct struct3 { char a, b, c; };
  27 struct struct3 foo3 = { 'A', 'B', 'C'},  L3;
  28
  29 struct struct3  fun3()
  30 {
  31   return foo3;
  32 }
  33
  34 #ifdef PROTOTYPES
  35 void Fun3(struct struct3 foo3)
  36 #else
  37 void Fun3(foo3)
  38      struct struct3 foo3;
  39 #endif
  40 {
  41   L3 = foo3;
  42 }
  43
  44 int main()
  45 {
  46   struct struct3 x = fun3();
  47
  48   printf("a:%c, b:%c, c:%c\n", x.a, x.b, x.c);
  49 }
  50
  51 /* { dg-final { scan-rtl-dump-not {zero_extract:.+\[\s*foo3\s*\]} "final" } } */
  52