When trying to build an iwmmxt optimized gcc 4.4.1, build fails in libobjc with an ICE:
In function 'objc_msg_sendv': error: insn does not satisfy its constraints: (set (reg/f:SI 13 sp) (reg/f:SI 43 wcgr0 [146])) 441 {*iwmmxt_movsi_insn} (nil)) internal compiler error: in reload_cse_simplify_operands, at postreload.c:396 Please submit a full bug report, -- Summary: ICE: "insn does not satisfy its constraints" Product: gcc Version: 4.4.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: enrico dot scholz at informatik dot tu-chemnitz dot de GCC build triplet: x86_64-linux GCC host triplet: arm-linux-gnueabi GCC target triplet: arm-linux-gnueabi http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40836