[Bug middle-end/49723] gcc.c-torture/compile/pr46934.c: ICE in do_SUBST, at combine.c:707 at -O1 and above

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49723

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.07.13 10:34:54
     Ever Confirmed|0                           |1

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-07-13 10:34:54 UTC ---
Indeed, (const_int 2147483648 [0x80000000]) isn't valid for SImode, it should
be (const_int -2147483648 [0x80000000]) as RTL constants are always
sign-extended for their mode.  Usually a GEN_INT used in lieu of gen_int_mode.