https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79953
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2017-08-09 CC| |aoliva at gcc dot gnu.org, | |jakub at gcc dot gnu.org, | |marxin at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Confirmed, all releases I have ICE. (gdb) p debug_rtx(val) (mem/c:V32QI (plus:DI (reg/f:DI 82 virtual-stack-vars) (const_int -32 [0xffffffffffffffe0])) [0 x+0 S32 A256]) $4 = void (gdb) p mode $5 = BLKmode Problem is probably that nehalem does not have -mavx2 enabled and it's enabled in the source code via target attribute.