Viewing file:  subs3.c (1.09 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2 --save-temps -fno-inline" } */
extern void abort (void);
typedef long long s64;
int
subs_ext (s64 a, int b, int c)
{
s64 d = a - b;
if (d == 0)
return a + c;
else
return d;
}
int
subs_shift_ext (s64 a, int b, int c)
{
s64 d = (a - ((s64)b << 3));
if (d == 0)
return a + c;
else
return d;
}
int main ()
{
int x;
s64 y;
x = subs_ext (0x13000002ll, 41, 15);
if (x != (int)(0x13000002ll - 41))
abort ();
x = subs_ext (0x50505050ll, 0x50505050ll, 4);
if (x != (int)(0x50505050ll + 4))
abort ();
x = subs_ext (0x12121212121ll, 2, 14);
if (x != (int)(0x12121212121ll - 2))
abort ();
x = subs_shift_ext (0x123456789ll, 4, 12);
if (x != (int)(0x123456789ll - (4 << 3)))
abort ();
x = subs_shift_ext (0x02020202ll << 3, 0x02020202ll, 8);
if (x != (int)(8 + (0x02020202ll << 3)))
abort ();
x = subs_shift_ext (0x987987987987ll, 23, 41);
if (x != (int)(0x987987987987ll - (23 << 3)))
abort ();
return 0;
}
/* { dg-final { scan-assembler-times "subs\tx\[0-9\]+, x\[0-9\]+, w\[0-9\]+, sxtw" 2 } } */
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