[Bug target/52555] [4.6/4.7/4.8 Regression] ICE unrecognizable insn with -ffast-math and __attribute__((optimize(xx)))

[aldyh at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52555



--- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> 2013-02-07 
23:24:42 UTC ---

Further reduced testcase, reproducible on both C and C++:



float farg;

unsigned val;



void __attribute__((optimize("O")))

test()

{

  val = __builtin_ceilf(farg);

}