[Bug target/52146] [x32] - Wrong code to access addresses 0x80000000 to 0xFFFFFFFF

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52146

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-10 
17:48:42 UTC ---
What if the CONST_INT is from DImode expansion instead of SImode?
val_signbit_known_set_p would handle that, INTVAL () < 0 not.