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Date:      Wed, 16 Mar 2016 20:30:45 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ppc@FreeBSD.org
Subject:   [Bug 201623] /usr/ports/graphics/dri fails on powerpc
Message-ID:  <bug-201623-21-f5adC0YpBt@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-201623-21@https.bugs.freebsd.org/bugzilla/>
References:  <bug-201623-21@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D201623

Mark Millard <markmi@dsl-only.net> changed:

           What    |Removed                     |Added
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                 CC|                            |markmi@dsl-only.net

--- Comment #4 from Mark Millard <markmi@dsl-only.net> ---
Warning: clang 3.8.0 (and likely before) has various problems for powerpc (=
and
sometimes powerpc64) code generation:

I modify signal delivery in my powerpc FreeBSD builds to have a so-called
"red-zone" to avoid the following powerpc ABI-violation issue. (powerpc64
already has "red-zone" use because that is part of the powerpc64 ABI used by
FreeBSD.)

https://llvm.org/bugs/show_bug.cgi?id=3D26519

Some parts of the following item apply to more general code generation cont=
exts
than just exception-handling, although it started with finding
exception-handling examples.

https://llvm.org/bugs/show_bug.cgi?id=3D26856

The below 2 are for exception-handling code generation issues (counting
.eh_frame information as code).

https://llvm.org/bugs/show_bug.cgi?id=3D26761
https://llvm.org/bugs/show_bug.cgi?id=3D26844

The 1 item below was fixed in 3.8.0 rc3 but not in rc2 or earlier versions.

https://llvm.org/bugs/show_bug.cgi?id=3D26605

(All these submittals to llvm.org came from attempting to use clang 3.8.0 f=
or
TARGET_ARCH=3Dpowerpc buildworld on an old PowerMac. As I remember all of t=
he
above seemed to be long-standing issues, not recent regressions. There are =
some
matching FreeBSD submittals but until things change at llvm.org. . .)

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