pinskia at gcc dot gnu dot org wrote:
The following function:
int f(int a)
{
int i = a & -129;
return i == 144;
}
Should be compiled to:
int f1(int a)
{
return (a & -129) == 144; // aka return 0;
}
Yes this shows up in real code (gcc), found while testing out my tree combiner.
Hmm? What does
The following function:
int f(int a)
{
int i = a & -129;
return i == 144;
}
Should be compiled to:
int f1(int a)
{
return (a & -129) == 144; // aka return 0;
}
Yes this shows up in real code (gcc), found while testing out my tree combiner.
--
Summary: missed SRA of a block copy
