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

[ubizjak at gmail dot com]

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

--- Comment #13 from Uros Bizjak <ubizjak at gmail dot com> 2012-02-10 18:01:29 UTC ---
(In reply to comment #12)
> What if the CONST_INT is from DImode expansion instead of SImode?
> val_signbit_known_set_p would handle that, INTVAL () < 0 not.

I have tested this case, and was not able to pass any constant that didn't fit
SImode to legitimate_address_p.