File: pr65067.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (23 lines) | stat: -rw-r--r-- 448 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
/* { dg-do compile } */
/* { dg-require-effective-target arm_thumb2_ok } */
/* { dg-options "-mthumb -mcpu=cortex-m3 -O2" } */

struct tmp {
 unsigned int dummy;
 union {
  struct {
   unsigned int xyz : 1;
   unsigned int mode: 3;
   unsigned int res : 28;
  } bf;
  unsigned int wordval;
 } reg;
};

void set_mode(int mode)
{
 volatile struct tmp *t = (struct tmp *) 0x1000;
 t->reg.bf.mode = mode;
}

/* { dg-final { scan-assembler "bfi" } } */