Viewing file:  noassoc.c (1.03 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-std=gnu99 -O0" } */
extern void abort (void);
/* Make sure GCC knows there is no associativity for saturating types. */
/* Don't transform to (temp + (0.5r + 0.8r)) */
_Sat _Fract add_test (_Sat _Fract temp)
{
return temp + 0.5r + 0.8r;
}
/* Don't transform to (temp * ((-0.5r - 0.5r) * (-0.5r - 0.5r))) */
_Sat _Fract mul_test (_Sat _Fract temp)
{
return temp * (-0.5r - 0.5r) * (-0.5r - 0.5r);
}
/* Don't transform to ((temp1 + temp2) * 0.5r) */
_Sat _Fract mul_add_test (_Sat _Fract temp1, _Sat _Fract temp2)
{
return temp1 * 0.5r + temp2 * 0.5r;
}
/* Don't transform to ((temp1 - temp2) * 0.5r) */
_Sat _Fract mul_sub_test (_Sat _Fract temp1, _Sat _Fract temp2)
{
return temp1 * 0.5r - temp2 * 0.5r;
}
int main ()
{
_Sat _Fract a;
a = add_test (-0.5r);
if (a != 0.8r)
abort ();
a = mul_test (0.1r);
if (a != 0.1r)
abort ();
a = mul_add_test (0.75r, 0.5r);
if (a != 0.625r)
abort ();
a = mul_sub_test (0.75r, -0.5r);
if (a != 0.625r)
abort ();
return 0;
}
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