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From: "guojiufu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/108809] gcc.target/powerpc/builtins-5-p9-runnable.c fails on power 9 BE
Date: Thu, 13 Apr 2023 09:43:07 +0000	[thread overview]
Message-ID: <bug-108809-4-MaNOIolZYr@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-108809-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108809

Jiu Fu Guo <guojiufu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |guojiufu at gcc dot gnu.org

--- Comment #2 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
(In reply to Kewen Lin from comment #1)
> It's very likely a test issue, may need to adjust some built-in function for
> endianness issue (as they have different element ordering on BE and LE).

Yeap it should be the test case issue on the difference between BE and LE:
For a buff `\001\002\003\004\005\006\a\b\t\n\v\f\r\016\017\020\021\022`,
after loading to a vector right justified, the result is different between BE
and LE.
e.g. for a vector (from 128bit view: 0x0000000000000000102030405060708), 
from v16_int8 view on BE, it is v16_int8 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8}; but from the v16_int8 view on LE,
it is v16_int8 = {0x8, 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}.

So, we would just need to update the expected result for BE for this test case.

  parent reply	other threads:[~2023-04-13  9:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-15 21:57 [Bug target/108809] New: " seurer at gcc dot gnu.org
2023-03-09  7:35 ` [Bug target/108809] " linkw at gcc dot gnu.org
2023-04-13  9:43 ` guojiufu at gcc dot gnu.org [this message]
2023-04-13 12:43 ` guojiufu at gcc dot gnu.org
2023-04-17  2:39 ` [Bug testsuite/108809] " cvs-commit at gcc dot gnu.org
2023-05-09  7:37 ` guojiufu at gcc dot gnu.org

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