[Bug tree-optimization/54674] [4.8 Regression] ICE in build2_stat, at tree.c:3835

[wschmidt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54674

--- Comment #7 from William J. Schmidt <wschmidt at gcc dot gnu.org> 2012-09-24 18:35:41 UTC ---
I'm working on a patch to avoid introducing a multiply by a pointer type, such
as happened here.

The interesting thing is that this doesn't look like a profitable
transformation on most architectures.  It appears that a multiply of two
registers and an add of two registers may be given the same RTL cost in the SH
family?  It seems unlikely that those two operations have the same cost in
practice, so it might be worth looking into whether the cost model for this
target is fully implemented.