https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118996
--- Comment #3 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
Original commit is added to avoid reload failure ~24 years ago, maybe we can
try to remove the check in cse.cc.
commit 8bf4dfc24f1957b8f645e362e354655fb851fc89
Author: Geoffrey Keating <geo...@redhat.com>
Date: Mon Jul 2 23:24:02 2001 +0000
cse.c (canon_hash): Don't register registers in very small register
classes...
* cse.c (canon_hash): Don't register registers in very small
register classes, as extending their lifetime might cause
reload to fail.
From-SVN: r43714
