[Bug c/22072] bizarre code for int*int/2

falk at debian dot org gcc-bugzilla@gcc.gnu.org
Wed Jun 15 11:43:00 GMT 2005


------- Additional Comments From falk at debian dot org  2005-06-15 11:43 -------
(In reply to comment #0)

> Why are the two instructions after the imull emitted?  Shouldn't this become
> simply imull and sarl?

No. A signed division by two is not a shift.

The complaint about $2 not propagating seems valid though. Maybe somebody
can try 4.x on it.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22072



More information about the Gcc-bugs mailing list