https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127170
Bug ID: 127170
Summary: integer_pow2p supports Complex types; maybe remove it
Product: gcc
Version: 17.0
Status: UNCONFIRMED
Keywords: internal-improvement
Severity: enhancement
Priority: P3
Component: tree-optimization
Assignee: pinskia at gcc dot gnu.org
Reporter: pinskia at gcc dot gnu.org
Target Milestone: ---
While reviewing the patch for PR 127163, I noticed that integer_pow2p accepts
complex integer constants. I checked all of the uses of integer_pow2p; they
are either have a check for INTEGRAL_TYPE_P or with an expression which would
not be used for complex types. So I am thinking the support for complex types
can be removed from integer_pow2p .
The support was added back in 1994 by r0-8447-g9ad265b05ed2c5 . And I suspect
it was just to be similar to integer_onep/integer_zerop case but as mentioned
integer_pow2p would not be used in similar places where complex int types would
be used.
If I get some time next week or the week after, I see what removing it will do.
