view gcc/testsuite/gcc.dg/guality/pr36728-1.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* PR debug/36728 */
/* { dg-do run } */
/* { dg-options "-g" } */

#include "../nop.h"

int a, b;

int __attribute__((noinline))
foo (int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7)
{
  char *x = __builtin_alloca (arg7);
  int __attribute__ ((aligned(32))) y;

  y = 2;
  asm (NOP : "=m" (y), "=m" (b) : "m" (y));
  x[0] = 25;
  asm (NOP : "=m" (x[0]), "=m" (a) : "m" (x[0]), "m" (b));
  return y;
}

/* On s390(x) r2 and r3 are (depending on the optimization level) used
   when adjusting the addresses in order to meet the alignment
   requirements above.  They usually hold the function arguments arg1
   and arg2.  So it is expected that these values are unavailable in
   some of these tests.  */

/* { dg-final { gdb-test 16 "arg1" "1" { target { ! "s390*-*-*" } } } } */
/* { dg-final { gdb-test 16 "arg2" "2" { target { ! "s390*-*-*" } } } } */
/* { dg-final { gdb-test 16 "arg3" "3" } } */
/* { dg-final { gdb-test 16 "arg4" "4" } } */
/* { dg-final { gdb-test 16 "arg5" "5" } } */
/* { dg-final { gdb-test 16 "arg6" "6" } } */
/* { dg-final { gdb-test 16 "arg7" "30" } } */
/* { dg-final { gdb-test 16 "y" "2" } } */
/* { dg-final { gdb-test 18 "arg1" "1" { target { ! "s390*-*-*" } } } } */
/* { dg-final { gdb-test 18 "arg2" "2" { target { ! "s390*-*-*" } } } } */
/* { dg-final { gdb-test 18 "arg3" "3" } } */
/* { dg-final { gdb-test 18 "arg4" "4" } } */
/* { dg-final { gdb-test 18 "arg5" "5" } } */
/* { dg-final { gdb-test 18 "arg6" "6" } } */
/* { dg-final { gdb-test 18 "arg7" "30" } } */
/* { dg-final { gdb-test 18 "*x" "(char) 25" } } */
/* { dg-final { gdb-test 18 "y" "2" } } */

int
main ()
{
  int l = 0;
  asm ("" : "=r" (l) : "0" (l));
  a = foo (l + 1, l + 2, l + 3, l + 4, l + 5, l + 6, l + 30);
  asm volatile ("" :: "r" (l));
  return 0;
}