From: Michael Ellerman <mpe@ellerman.id.au>
To: Suraj Jitindar Singh <sjitindarsingh@gmail.com>, linuxppc-dev@ozlabs.org
Cc: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Subject: Re: selftests/powerpc: Remove -flto from common CFLAGS
Date: Thu, 3 Mar 2016 21:58:54 +1100 (AEDT) [thread overview]
Message-ID: <20160303105854.831CB140C48@ozlabs.org> (raw)
In-Reply-To: <1456727395-27386-1-git-send-email-sjitindarsingh@gmail.com>
On Mon, 2016-29-02 at 06:29:55 UTC, Suraj Jitindar Singh wrote:
> LTO can cause GCC to inline some functions which have attributes set. The
> act of inlining the functions can lead to GCC forgetting about the
> attributes which leads to incorrect tests.
> Notable example being: __attribute__((__target__("no-vsx")))
> LTO can also interact strangely with custom assembly functions and cause
> tests to intermittently fail.
...
>
> Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
> Reviewed-by: Cyril Bur <cyrilbur@gmail.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/a4cf0a2e1d3b98cac5fd5ba928
cheers
prev parent reply other threads:[~2016-03-03 10:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 6:29 [PATCH] selftests/powerpc: Remove -flto from common CFLAGS Suraj Jitindar Singh
2016-02-29 11:10 ` Michael Ellerman
2016-02-29 23:08 ` Cyril Bur
2016-02-29 23:35 ` Michael Ellerman
2016-03-01 3:11 ` Cyril Bur
2016-03-01 4:46 ` Suraj Jitindar Singh
2016-03-03 10:58 ` Michael Ellerman [this message]
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