view gcc/testsuite/g++.old-deja/g++.brendan/code-gen4.C @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

// { dg-do run  }
// { dg-options "-O" }
// GROUPS passed code-generation
// Options: -O
//
// Check that when an int value is assigned to a short int, the proper
// half of the int (i.e. the low order half) ends up in the short.
//
// This fails with 1.32.0 with -O and f1() is inline.
//
// Workaround - declare "f1_arg" as type "short int".

#include <stdio.h>
#include <stdlib.h>

short int v2;

long v1 = 0x11117777;

inline void f1 (long f1_arg)
{
	v2 = f1_arg;
}

int main ()
{
	f1 (v1);

	if (v2 != 0x00007777)
	  abort ();
	else
	  printf ("PASS\n");
}