short-compare-2.c

来自「linux下的gcc编译器」· C语言 代码 · 共 23 行

/* PR rtl-optimization/19296 */
/* Origin: Falk Hueffner <[e-mail]> */
/* Testcase by Andrew Pinski <[e-mail]> */

/* { dg-do run } */
/* { dg-options "-O" } */
/* { dg-options "-O -mcpu=i686" { target i?86-*-* } } */
/* { dg-options "-O -m32 -mcpu=i686" { target x86_64-*-* } } */

extern void abort();

void f(unsigned short ad)
{
  if ((short) (ad - 0x4000) >= 0)
    abort();
}

int main(void)
{
  f(0xc000);
  return 0;
}