File: asm-es-1.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 (32 lines) | stat: -rw-r--r-- 418 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
32
 
/* { dg-do run } */
/* { dg-options "-O2" } */

static inline void __attribute__((always_inline))
f1 (void)
{
  long unused;
  asm volatile ("" : "=es" (unused) :: "memory");
}

static void __attribute__((noinline))
f2 (long *val)
{
  *val = 0x1234;
}

static long __attribute__((noinline))
test (void)
{
  f1 ();
  {
    long val;
    f2 (&val);
    return val;
  }
}

int
main (void)
{
  return test () != 0x1234;
}