Viewing file:  subs1.c (2.59 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2 --save-temps -fno-inline" } */
extern void abort (void);
int
subs_si_test1 (int a, int b, int c)
{
int d = a - c;
/* { dg-final { scan-assembler "subs\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" } } */
if (d == 0)
return a + c;
else
return d;
}
int
subs_si_test2 (int a, int b, int c)
{
int d = a - 0xff;
/* { dg-final { scan-assembler "subs\tw\[0-9\]+, w\[0-9\]+, #255" } } */
if (d == 0)
return a + c;
else
return d;
}
int
subs_si_test3 (int a, int b, int c)
{
int d = a - (b << 3);
/* { dg-final { scan-assembler "subs\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, lsl 3" } } */
if (d == 0)
return a + c;
else
return d;
}
typedef long long s64;
s64
subs_di_test1 (s64 a, s64 b, s64 c)
{
s64 d = a - c;
/* { dg-final { scan-assembler "subs\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+" } } */
if (d == 0)
return a + c;
else
return d;
}
s64
subs_di_test2 (s64 a, s64 b, s64 c)
{
s64 d = a - 0xff;
/* { dg-final { scan-assembler "subs\tx\[0-9\]+, x\[0-9\]+, #255" } } */
if (d == 0)
return a + c;
else
return d;
}
s64
subs_di_test3 (s64 a, s64 b, s64 c)
{
s64 d = a - (b << 3);
/* { dg-final { scan-assembler "subs\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, lsl 3" } } */
if (d == 0)
return a + c;
else
return d;
}
int main ()
{
int x;
s64 y;
x = subs_si_test1 (29, 4, 5);
if (x != 24)
abort ();
x = subs_si_test1 (20, 2, 20);
if (x != 40)
abort ();
x = subs_si_test2 (0xff, 4, 5);
if (x != (0xff + 5))
abort ();
x = subs_si_test2 (1024, 2, 20);
if (x != (1024 - 0xff))
abort ();
x = subs_si_test3 (35, 4, 5);
if (x != 35 - (4 << 3))
abort ();
x = subs_si_test3 (5 << 3, 5, 20);
if (x != (20 + (5 << 3)))
abort ();
y = subs_di_test1 (0x130000029ll,
0x320000004ll,
0x505050505ll);
if (y != (0x130000029ll - 0x505050505ll))
abort ();
y = subs_di_test1 (0x5000500050005ll,
0x2111211121112ll,
0x5000500050005ll);
if (y != (0x5000500050005ll + 0x5000500050005ll))
abort ();
y = subs_di_test2 (0x130000029ll,
0x320000004ll,
0x505050505ll);
if (y != (0x130000029ll - 0xff))
abort ();
y = subs_di_test2 (0xff,
0x320000004ll,
0x505050505ll);
if (y != (0xff + 0x505050505ll))
abort ();
y = subs_di_test3 (0x130000029ll,
0x064000008ll,
0x505050505ll);
if (y != (0x130000029ll - (0x064000008ll << 3)))
abort ();
y = subs_di_test3 (0x130002900ll << 3,
0x130002900ll,
0x505050505ll);
if (y != (0x505050505ll + (0x130002900ll << 3)))
abort ();
return 0;
}
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