File: pr69946.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (37 lines) | stat: -rw-r--r-- 644 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
25
26
27
28
29
30
31
32
33
34
35
36
37
 
/* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
/* { dg-skip-if "" { powerpc_elfv2 } } */
/* { dg-options "-O2" } */

/* This used to generate a rotate:DI by 44, with mask 0xf00, which is
   implemented using a rlwinm instruction.  We used to write 44 for the
   shift count there; it should be 12.  */

struct A
{
  int a : 4;
  int : 2;
  int b : 2;
  int : 2;
  int c : 2;
  int d : 1;
  int e;
};
struct B
{
  int a : 4;
} *a;
void bar (struct A);

void
foo (void)
{
  struct B b = a[0];
  struct A c;
  c.a = b.a;
  c.b = 1;
  c.c = 1;
  c.d = 0;
  bar (c);
}

/* { dg-final { scan-assembler-not {(?n)rlwinm.*,44,20,23} } } */