File: asm-3.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (42 lines) | stat: -rw-r--r-- 876 bytes parent folder | download | duplicates (2) 
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
33
34
35
36
37
38
39
40
41
42
 
/* PR 17739 */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */

#ifdef __hppa__
#define REGISTER "1"
#else
#ifdef __moxie__
#define REGISTER "8"
#else
#ifdef __iq2000__
#define REGISTER "3"
#else
#define REGISTER "0"
#endif
#endif
#endif

void foo (int);
void bar (int);

static inline int source(void)
{
  register int hardreg __asm__(REGISTER);
  asm("" : "=r"(hardreg));
  return hardreg;
}
                                                                                
void test(void)
{
  int t = source();
  foo(t);
  bar(t);
}

/* Hardreg should appear exactly 3 times -- declaration, asm stmt,
   and copy out.  */
/* { dg-final { scan-tree-dump-times "hardreg" 3 "optimized" } } */

/* In particular, hardreg should *not* appear in the call to bar.  */
/* { dg-final { scan-tree-dump-times "bar \[(\]\[^\n\r\]*_.\[)\]" 1 "optimized" } } */