https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #16 from dave.anglin at bell dot net ---
On 2016-02-09, at 7:47 PM, bernds at gcc dot gnu.org wrote:
> Could you try whether this fixes it and still passes regression tests (esp.
> the
> 67881 testcase)?
Started trunk builds on linu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #15 from Bernd Schmidt ---
Created attachment 37649
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37649&action=edit
Candidate patch
Could you try whether this fixes it and still passes regression tests (esp. the
67881 testcase
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #14 from dave.anglin at bell dot net ---
On 2016-02-09 7:32 AM, bernds at gcc dot gnu.org wrote:
> (In reply to John David Anglin from comment #0)
>
>> >- ldh 2(%r31),%r20
> Could you verify whether the test works if you replace
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #13 from Bernd Schmidt ---
Yes, that's the one I've been zeroing in on. It does look wrong, but it was
intended as a fix, so I guess I'll be reinvestigating the original bug.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #12 from Jakub Jelinek ---
If the problem is in bswap, then the most suspect branches/gcc-5-branch commit
is r232664.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #11 from Bernd Schmidt ---
(In reply to John David Anglin from comment #0)
> - ldh 2(%r31),%r20
Could you verify whether the test works if you replace the 2(%r31) with 0(%r31)
?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #10 from Bernd Schmidt ---
(In reply to Jakub Jelinek from comment #9)
> The referenced debian bug suggests that there is both an aliasing violation
> and unaligned access.
In their source code you mean? There's type punning going on
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #9
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #8 from dave.anglin at bell dot net ---
On 2016-02-08, at 7:07 PM, pinskia at gcc dot gnu.org wrote:
> This might be reproducible on a PowerPC machine too (big-endian rather than
> the
> little-endian version). As it was mentioned i
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
Andrew Pinski changed:
What|Removed |Added
Summary|[5 Regression] ffmpeg crc.c |[5/6 Regression] ffmpeg
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