https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69429
--- Comment #4 from joakim.tjernlund at transmode dot se ---
(In reply to Jakub Jelinek from comment #3)
> Because most of the powerpc distros now use 64KB page size instead of 4KB,
> so having only 4KB common page size means security prot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69429
--- Comment #2 from joakim.tjernlund at transmode dot se ---
(In reply to Jakub Jelinek from comment #1)
> Why do you file this against gcc? If anything, it is related to binutils,
You are right, I though it was a gcc problem becaus
: unassigned at gcc dot gnu.org
Reporter: joakim.tjernlund at transmode dot se
Target Milestone: ---
When building small libs/exec on ppc32 I usally get sparse files like so:
ls -lsh | sort -n
64K -rwxr-xr-x 1 jocke users 68K Jan 22 11:20 mgmt_alarmd*
64K -rwxr-xr-x 1 jocke users
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
--- Comment #8 from joakim.tjernlund at transmode dot se ---
As stack protector is default in gcc, I don't think it is specific.
I did bite me on ppc with only -fsanitize=address and
ASAN_OPTIONS=detect_stack_use_after_return=1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64820
joakim.tjernlund at transmode dot se
changed:
What|Removed |Added
CC||joakim.tjernlund
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60158
--- Comment #5 from joakim.tjernlund at transmode dot se ---
I am sure I saw .data.rel.ro.local section with a .4byte statement in it
using -S
Now I cannot repeat it. The only thing that has changed that I know is
glibc 2.19 is no glibc 2.20
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60158
--- Comment #3 from joakim.tjernlund at transmode dot se ---
(In reply to Alan Modra from comment #2)
> Fixed on master with git commit 8e2a42caa / svn rev 223209.
> Fixed for gcc-4.9 with git commit 110222ca0 / svn rev 223714.
> Fixe
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60158
joakim.tjernlund at transmode dot se
changed:
What|Removed |Added
CC||joakim.tjernlund
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892
--- Comment #24 from joakim.tjernlund at transmode dot se ---
(In reply to Segher Boessenkool from comment #23)
> Do you know what addcc does? PowerPC does not have any instruction
No, just guessing :) To me it was generic way to express
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892
--- Comment #22 from joakim.tjernlund at transmode dot se ---
(In reply to Segher Boessenkool from comment #21)
> Mainine (will be GCC 5 in a few months).
>
> There is no addcc thing, that is not suitable for PowerPC.
> The big ch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892
--- Comment #20 from joakim.tjernlund at transmode dot se ---
(In reply to Segher Boessenkool from comment #19)
> Current code:
>
> add 3,3,4
> subfc 4,4,3
> subfe 9,9,9
> subf 3,9,3
>
> so we got rid of the useless r
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46854
--- Comment #4 from joakim.tjernlund at transmode dot se 2010-12-09 18:23:59 UTC ---
Here is the copy an an earlier mail I sent to the list in November:
Using gcc 4.4.4 -Os on
loop(long *to, long *from, long len)
{
for (; len; --len
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46854
--- Comment #3 from joakim.tjernlund at transmode dot se 2010-12-09 18:21:50 UTC ---
(In reply to comment #2)
> Note, -O2 generates mostly the code you want, except that it looks the address
> of the string twice:
>
> Here is the co
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46854
--- Comment #1 from joakim.tjernlund at transmode dot se 2010-12-09 09:10:50 UTC ---
Somewhat related observation:
It would be nice if gcc could optimize
static inline const char *test(int i)
{
const char *p = "abc\0def\0gef";
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46854
Summary: PowerPC optimization regression
Product: gcc
Version: 4.4.5
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassig
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892
--- Comment #18 from joakim.tjernlund at transmode dot se 2010-09-29 09:02:49 UTC ---
I hope you don't mind me asking for status again(because I am curious)?
Upgraded to gcc 4.4.4 now and I noticed one (small)improvement:
add32carry:
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