compile this with -O1 (note testcase reduced from real.c): ------------------------------------------------------------------------------- int foo (int u) { u = u - 67108864 - 128; return u; } -------------------------------------------------------------------------------
compiler output: bug.i: In function ‘foo’: bug.i:5: error: unrecognizable insn: (insn 11 10 12 1 (set (reg:SI 105) (const_int 4227858432 [0xfc000000])) -1 (nil) (nil)) bug.i:5: internal compiler error: in extract_insn, at recog.c:2082 -- Summary: ICE in extract_insn, at recog.c:2082 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: ice-on-valid-code, build Severity: normal Priority: P2 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: belyshev at depni dot sinp dot msu dot ru CC: gcc-bugs at gcc dot gnu dot org GCC target triplet: arm-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21501