blob: 938bc84ed9599e550e3e8207f371dbb57e7efca3 (
plain)
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
43
44
45
46
47
48
49
50
51
52
53
|
/* { dg-do run } */
/* { dg-options "-O2 -fno-inline --save-temps" } */
extern long long llabs (long long);
extern void abort (void);
long long
abs64 (long long a)
{
/* { dg-final { scan-assembler "eor\t" } } */
/* { dg-final { scan-assembler "sub\t" } } */
return llabs (a);
}
long long
abs64_in_dreg (long long a)
{
/* { dg-final { scan-assembler "abs\td\[0-9\]+, d\[0-9\]+" } } */
register long long x asm ("d8") = a;
register long long y asm ("d9");
asm volatile ("" : : "w" (x));
y = llabs (x);
asm volatile ("" : : "w" (y));
return y;
}
int
main (void)
{
volatile long long ll0 = 0LL, ll1 = 1LL, llm1 = -1LL;
if (abs64 (ll0) != 0LL)
abort ();
if (abs64 (ll1) != 1LL)
abort ();
if (abs64 (llm1) != 1LL)
abort ();
if (abs64_in_dreg (ll0) != 0LL)
abort ();
if (abs64_in_dreg (ll1) != 1LL)
abort ();
if (abs64_in_dreg (llm1) != 1LL)
abort ();
return 0;
}
/* { dg-final { cleanup-saved-temps } } */
|
