[Bug rtl-optimization/53176] [4.8 Regression] gcc.target/i386/movbe-2.c and gcc.dg/lower-subreg-1.c
hp at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed May 2 22:28:00 GMT 2012
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53176
--- Comment #9 from Hans-Peter Nilsson <hp at gcc dot gnu.org> 2012-05-02 22:27:32 UTC ---
(In reply to comment #8)
> Actually, I think that's what rtlanal.c:rtx_cost should be changed to do, for
> the cases where the targetm.rtx_costs function returns false.
...and not just for non-tieable SUBREGs. (Why currently just non-tieable
SUBREGs? That doesn't seem generic.)
brgds, H-P
More information about the Gcc-bugs
mailing list