http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48090
--- Comment #9 from arnaud patard 2011-03-13
20:40:27 UTC ---
I confirm that backporting r159644 and r159683 make things work. From comment
8, I guess that the bug is still there and that one can still hit it sooner or
later, right ? (btw, amazi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48090
--- Comment #3 from arnaud patard 2011-03-12
12:16:12 UTC ---
(In reply to comment #2)
> I get correct-looking code on armv5tel-linux with vanilla gcc-4.6-20110305 and
> gcc-4.5-20110310, with 4.4 the code looks different but not obviously broken
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48090
--- Comment #1 from arnaud patard 2011-03-12
09:02:30 UTC ---
Created attachment 23636
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23636
test file
: unassig...@gcc.gnu.org
ReportedBy: arnaud.pat...@rtp-net.org
With gcc-4.5.2, even with gcc-4.5-20110310, the following line of code gets
miscompiled (See attachment) :
size -= nblk * 512;
size and nblk are 64 bits.
gcc tries to compute -nblk. nblk is stored in r0,r1. gcc produces the
