https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96679
Bug ID: 96679
Summary: Failure to optimize or+and+or pattern to and+or
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: gabravier at gmail dot com
Target Milestone: ---
int f(int a, int b, int c)
{
return ((b | c) & a) | b;
}
This can be optimized to `return (a & c) | b;`. This transformation is done by
LLVM, but not by GCC.
