Viewing file:  negs.c (1.7 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2 --save-temps" } */
extern void abort (void);
int z;
int
negs_si_test1 (int a, int b, int c)
{
int d = -b;
/* { dg-final { scan-assembler "negs\tw\[0-9\]+, w\[0-9\]+" } } */
if (d < 0)
return a + c;
z = d;
return b + c + d;
}
int
negs_si_test3 (int a, int b, int c)
{
int d = -(b) << 3;
/* { dg-final { scan-assembler "negs\tw\[0-9\]+, w\[0-9\]+, lsl 3" } } */
if (d == 0)
return a + c;
z = d;
return b + c + d;
}
typedef long long s64;
s64 zz;
s64
negs_di_test1 (s64 a, s64 b, s64 c)
{
s64 d = -b;
/* { dg-final { scan-assembler "negs\tx\[0-9\]+, x\[0-9\]+" } } */
if (d < 0)
return a + c;
zz = d;
return b + c + d;
}
s64
negs_di_test3 (s64 a, s64 b, s64 c)
{
s64 d = -(b) << 3;
/* { dg-final { scan-assembler "negs\tx\[0-9\]+, x\[0-9\]+, lsl 3" } } */
if (d == 0)
return a + c;
zz = d;
return b + c + d;
}
int main ()
{
int x;
s64 y;
x = negs_si_test1 (2, 12, 5);
if (x != 7)
abort ();
x = negs_si_test1 (1, 2, 32);
if (x != 33)
abort ();
x = negs_si_test3 (13, 14, 5);
if (x != -93)
abort ();
x = negs_si_test3 (15, 21, 2);
if (x != -145)
abort ();
y = negs_di_test1 (0x20202020ll,
0x65161611ll,
0x42434243ll);
if (y != 0x62636263ll)
abort ();
y = negs_di_test1 (0x1010101010101ll,
0x123456789abcdll,
0x5555555555555ll);
if (y != 0x6565656565656ll)
abort ();
y = negs_di_test3 (0x62523781ll,
0x64234978ll,
0x12345123ll);
if (y != 0xfffffffd553d4edbll)
abort ();
y = negs_di_test3 (0x763526268ll,
0x101010101ll,
0x222222222ll);
if (y != 0xfffffffb1b1b1b1bll)
abort ();
return 0;
}
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