File: pr35701.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 (31 lines) | stat: -rw-r--r-- 657 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
/* PR 35701 */
/* { dg-do compile } */
/* { dg-options "-Wconversion -Wsign-conversion" } */
/* { dg-require-effective-target int32plus } */

typedef struct _my_struct_t {
  unsigned int small:1;
  unsigned int big:31;
} my_struct_t, *my_struct_p_t;

void
my_func1(unsigned int sm, unsigned int bi, my_struct_p_t msp)
{
  msp->small = sm; /* { dg-warning "conversion" } */
  msp->big = bi; /* { dg-warning "conversion" } */
}

void
my_func2(unsigned int sm, unsigned int bi, my_struct_p_t msp)
{
  msp->small = sm & 1U;
  msp->big = bi & 0x7fffffffU;
}

unsigned short
my_func3(unsigned int sm)
{
  unsigned short res;
  res = sm & 0xff20U;
  return res;
}