http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58158
--- Comment #1 from Aaro Koskinen <aaro.koskinen at iki dot fi> --- A simplified reproducer: $ cat bar.c extern void foo(void); static inline double max(const double x, const double y) { return (x > y) ? x : y; } void bar(int d) { int i; for (i = 0; i < (int)max(100.0 * d, 1.0); i++) { foo(); } } $ gcc -c -O2 bar.c bar.c: In function 'bar': bar.c:15:1: error: unrecognizable insn: } ^ (insn 23 22 24 2 (set (reg:SI 203 [ D.1511 ]) (if_then_else:SI (ne:CC (reg:CC 67 $fcc0) (const_int 0 [0])) (reg:SI 203 [ D.1511 ]) (reg:SI 206))) -1 (nil)) bar.c:15:1: internal compiler error: in extract_insn, at recog.c:2150 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.