With the code I'm going to attach in a second, I get this:
deal.II/deal.II> c++ -c -O3 -funroll-loops grid_generator.ii
grid_generator.ii:6838: warning: '__malloc__' attribute ignored
grid_generator.ii: In static member function 'static void
GridGenerator::hyper_ball(Triangulation<3>&, const Point<3>&, double)':
grid_generator.ii:65800: error: insn does not satisfy its constraints:
(insn 3454 3452 3453 (set (reg:DI 38 r9 [orig:801 D.166645 ] [801])
(mult:DI (reg:DI 7 sp [626])
(const_int 2 [0x2]))) 196 {*lea_2_rex64} (nil)
(nil))
grid_generator.ii:65800: internal compiler error: in
extract_constrain_insn_cached, at recog.c:2002
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
This is with today's svn, Revision: 107421.
W.
--
Summary: [4.1/4.2 regression] ICE in
extract_constrain_insn_cached, at recog.c:2002
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bangerth at dealii dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25005
