gdb/testsuite/gdb.arch/i386-sse-stack-align.c

   1 /* Copyright 2012-2015 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 typedef float V __attribute__((vector_size(16)));
  19
  20 static V
  21 foo (V a, V b)
  22 {
  23   return a + b * a;
  24 }
  25
  26 static __attribute__((noinline, noclone)) int
  27 f (void)
  28 {
  29   volatile V a = { 1, 2, 3, 4 };
  30   volatile V b;
  31
  32   b = foo (a, a);
  33   return b[0];
  34 }
  35
  36 static __attribute__((noinline, noclone)) int
  37 g0 (void)
  38 {
  39   return f ();
  40 }
  41
  42 static __attribute__((noinline, noclone)) int
  43 g1 (int p1)
  44 {
  45   return f ();
  46 }
  47
  48 static __attribute__((noinline, noclone)) int
  49 g2 (int p1, int p2)
  50 {
  51   return f ();
  52 }
  53
  54 static __attribute__((noinline, noclone)) int
  55 g3 (int p1, int p2, int p3)
  56 {
  57   return f ();
  58 }
  59
  60 static __attribute__((noinline, noclone)) int
  61 g4 (int p1, int p2, int p3, int p4)
  62 {
  63   return f ();
  64 }
  65
  66 int
  67 main (void)
  68 {
  69   return g0 () + g1 (1) + g2 (1, 2) + g3 (1, 2, 3) + g4 (1, 2, 3, 4);
  70 }