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[Bug rtl-optimization/69714] [5 Regression] ffmpeg crc.c test miscompiled
- From: "dave.anglin at bell dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 08 Feb 2016 23:55:12 +0000
- Subject: [Bug rtl-optimization/69714] [5 Regression] ffmpeg crc.c test miscompiled
- Auto-submitted: auto-generated
- References: <bug-69714-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69714
--- Comment #6 from dave.anglin at bell dot net ---
On 2016-02-08, at 1:48 PM, pinskia at gcc dot gnu.org wrote:
> Do you know if it fails on the trunk?
I retested trunk (revision 233199). My statement in comment #2 about trunk was
incorrect.
The trunk and gcc-5.3.1 20160205 (Debian 5.3.1-8) both fail.
Expected results (gcc-4.9) are:
crc EDB88320 = 3D5CDD04
crc 04C11DB7 = E0BAF5C0
crc 00864CFB = 326039
crc 0000A001 = BFD8
crc 00008005 = BB1F
crc 00000007 = E3
Results with gcc-5 and trunk are:
crc EDB88320 = 59A32BFE
crc 04C11DB7 = E8446376
crc 00864CFB = 9AF97C
crc 0000A001 = CFEA
crc 00008005 = 8486
crc 00000007 = A4
--
John David Anglin dave.anglin@bell.net