http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
Mikael Pettersson changed:
What|Removed |Added
CC||jamborm at gcc dot gnu.org
--- Commen
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
--- Comment #7 from Mikael Pettersson 2011-11-04
15:31:25 UTC ---
Created attachment 25716
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25716
reduced test case
This reduced test case causes an alignment fault when compiled with gcc 4.7 or
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
--- Comment #6 from Mikael Pettersson 2011-10-01
10:29:07 UTC ---
This test case fails with a SIGBUS on sparc64-linux when compiled with -O1 -m32
by gcc 4.6-20110923 or 4.7-20110910. gcc 4.5 and 4.4 generate correct code.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
--- Comment #5 from Paul Koning 2011-09-29
20:55:15 UTC ---
If the memcpy actually happens, that is the expected result. The issue in the
MIPS case is that the memcpy is optimized away, and the source data accessed
instead, which would be ok if
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
--- Comment #4 from Mikael Pettersson 2011-09-29
20:47:09 UTC ---
The updated test case caused no alignment exceptions on armv5tel-linux-gnueabi
with gcc 4.6-20110923 or 4.7-20110924. I'll check it on sparc64-linux tomorrow
evening.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
--- Comment #3 from Paul Koning 2011-09-29
19:52:47 UTC ---
Created attachment 25383
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25383
Test case with main()
Here is an updated testcase. This one runs to completion with 4.5.1, aborts
wit
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50569
Andrew Pinski changed:
What|Removed |Added
Component|c |middle-end
--- Comment #2 from Andrew Pin
