https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30829
Roger Sayle changed:
What|Removed |Added
CC||roger at nextmovesoftware dot
com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30829
Eric Gallager changed:
What|Removed |Added
See Also||https://gcc.gnu.org/bugzill
--- Comment #2 from rask at gcc dot gnu dot org 2007-11-09 11:08 ---
It's not unusual to need more than one instruction pattern for the same machine
instruction. See http://gcc.gnu.org/ml/gcc-patches/2007-10/msg01318.html>
and the followup for a recent example and what you can do about i
--- Comment #1 from dje at google dot com 2007-11-09 00:57 ---
I looked into what's going on here.
This is a problem in the i386.md lshr+zext combiner patterns (or a problem in
the combine pass, depending on one's point of view). There are patterns in
i386.md that are supposed to handl