[Bug tree-optimization/95404] New: and
gabravier at gmail dot com
gcc-bugzilla@gcc.gnu.org
Fri May 29 07:37:23 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95404
Bug ID: 95404
Summary: and
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: ---
bool f2(int x)
{
if ((unsigned)x > 15)
return false;
return (x & 1) == 0;
}
This can be optimized to `return !(x & -15);`. This transformation is done by
LLVM, but not by GCC.
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