https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122541
Richard Earnshaw <rearnsha at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2025-11-03
Ever confirmed|0 |1
--- Comment #3 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Confirmed. This appears to be a premature mis-optimization applied by the
language parser, since we get
return <retval> = x & 2147483646 | 2147483648;
as the starting point for optimizing.
Changing the source to:
unsigned int test1 (unsigned int x) {
x &= 0xFFFFFFFE;
return x | 0x80000000;
}
Gets the desired output.
