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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/108695] New: [13 Regression] Wrong code since
 r13-5215-gb1f30bf42d8d47 for dd_rescue package
Date: Tue, 07 Feb 2023 12:56:39 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: ipa
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: marxin at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108695

            Bug ID: 108695
           Summary: [13 Regression] Wrong code since
                    r13-5215-gb1f30bf42d8d47 for dd_rescue package
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: hubicka at gcc dot gnu.org, marxin at gcc dot gnu.org
  Target Milestone: ---

Since the r13-5215-gb1f30bf42d8d47 revision, I noticed dd_rescue package te=
st
fail:

$ wget http://www.garloff.de/kurt/linux/ddrescue/dd_rescue-1.99.12.tar.bz2
$ tar xvjf dd_rescue-1.99.12.tar.bz2
$ cd dd_rescue-1.99.12
$ sed -i 's/-Os/-O2 -flto=3Dauto/' Makefile
$ ./autogen.sh
$ make test_aes -j16
$ ./test_aes AES192-CBC 10 0 16
CPU Features: SSE2 1 SSE4.2 1 AES 1 RDRAND 1 AVX2 1 VAES 1

Memcpy    :  0.000s (   634MB/s)=20
=3D=3D=3D> AES tests/benchmark (16) PAD_ZERO <=3D=3D=3D
* AES_C AES192-CBC (192, 12, 208) pad 0/0
EKey setup:  0.000s (  1236MB/s) 746789bcfa469b85=20
Encrypt   :  0.000s (    32MB/s) 16->16: 0 a6fb0b9db874a15a=20
DKey setup:  0.000s (  1236MB/s) 8547a0ecb2d90b74=20
Decrypt   :  0.000s (  3200MB/s) 16->16: 0 a6fb0b9db874a15a Miscompare (AES=
_C)
@ 0: 00 00 00 00 <-> 67 45 8b 6b
* OSSL  AES192-CBC (192, 12, 8) pad 0/0
EKey setup:  0.001s (     5MB/s) f000000000000000=20
Encrypt   :  0.000s (    13MB/s) 16->16: 0 1b5874991e39ca6e Miscompare (enc=
r vs
prev) @ 0: 6e ca 39 1e <-> 5a a1 74 b8
DKey setup:  0.000s (   830MB/s) f000000000000000=20
Decrypt   :  0.000s (    27MB/s) 16->16: 0 1b5874991e39ca6e=20
* VAES  AES192-CBC (192, 12, 208) pad 0/0
EKey setup:  0.000s (  4119MB/s) 546c673889b172da=20
Encrypt   :  0.000s (    79MB/s) 16->16: 0 1b5874991e39ca6e=20
DKey setup:  0.000s (  4119MB/s) daf3e486ec803854=20
Decrypt   :  0.000s (  8000MB/s) 16->16: 0 1b5874991e39ca6e=20
 ************* 2 inconsistencies found=