view gcc/testsuite/gcc.dg/ftrapv-1.c @ 145:1830386684a0

gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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/* Copyright (C) 2004 Free Software Foundation.

   PR other/15526
   Verify correct overflow checking with -ftrapv.

   Written by Falk Hueffner, 20th May 2004.  */

/* { dg-do run } */
/* { dg-options "-ftrapv" } */
/* { dg-require-effective-target trapping } */

__attribute__((noinline)) int
mulv(int a, int b)
{
  return a * b;
}

int
main()
{
  mulv( 0,  0);
  mulv( 0, -1);
  mulv(-1,  0);
  mulv(-1, -1);
  return 0;
}