ICE on gcc 4.0.0rc2, but works on both 3.3.5 and 3.4.3. $ /usr/local/gcc-4.0/bin/g++ -c -O -mmmx 1.cpp 1.cpp: In function 'void f()': 1.cpp:51: internal compiler error: in simplify_subreg, at simplify-rtx.c:3729
-- Summary: ICE on mmx intrinsics Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jochang at gmail dot com CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21099