File: int-warning.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (24 lines) | stat: -rw-r--r-- 943 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
/* { 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" } */
}