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view gcc/testsuite/gcc.dg/fixed-point/int-warning.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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line source

/* { dg-do compile } */
/* { dg-options "-std=gnu99 -O2" } */

/* N1169 Conversion from fixed-point to integer.
   Test if GCC warns when overflow or underflow.  */

signed char sc;
unsigned char uc;

void test()
{
  sc = 500k; /* { dg-warning "overflow in conversion" } */
  sc = -500k; /* { dg-warning "overflow in conversion" } */
  sc = 500lk; /* { dg-warning "overflow in conversion" } */
  sc = -500lk; /* { dg-warning "overflow in conversion" } */
  sc = 500llk; /* { dg-warning "overflow in conversion" } */
  sc = -500llk; /* { dg-warning "overflow in conversion" } */
  uc = 500k; /* { dg-warning "overflow in conversion" } */
  uc = -500k; /* { dg-warning "overflow in conversion" } */
  uc = 500lk; /* { dg-warning "overflow in conversion" } */
  uc = -500lk; /* { dg-warning "overflow in conversion" } */
  uc = 500llk; /* { dg-warning "overflow in conversion" } */
  uc = -500llk; /* { dg-warning "overflow in conversion" } */
}