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RE: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- From: "Zamyatin, Igor" <igor dot zamyatin at intel dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Jeff Law <law at redhat dot com>, Evgeny Stupachenko <evstupac at gmail dot com>, "Andrew Pinski" <pinskia at gmail dot com>, Uros Bizjak <ubizjak at gmail dot com>, Vladimir Makarov <vmakarov at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Thu, 30 Oct 2014 12:34:45 +0000
- Subject: RE: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- Authentication-results: sourceware.org; auth=none
- References: <CAOvf_xxXRSvjzRY-MnmBEgwmUhfqbqPjbVw8ZBjwvRheL8AZFA at mail dot gmail dot com> <CA+=Sn1nrUOENX4MKi13OgB40dWGZbf7zH1QJzbBjpte1YTU0xg at mail dot gmail dot com> <CAOvf_xxE7BvrFzfSaeC6jG9X_fxRdA-QHKZk4cdZFkBX0bbjCQ at mail dot gmail dot com> <544AE3BE dot 80606 at redhat dot com> <0EFAB2BDD0F67E4FB6CCC8B9F87D756969C138B1 at IRSMSX101 dot ger dot corp dot intel dot com> <20141030085610 dot GY10376 at tucnak dot redhat dot com>
>
> On Thu, Oct 30, 2014 at 08:48:57AM +0000, Zamyatin, Igor wrote:
> > Posted a patch in libc-alpha:
> >
> > https://sourceware.org/ml/libc-alpha/2014-10/msg00701.html
>
> That looks wrong. The non-PIC patterns that are enabled unconditionally
> with the patch set/use ebx, which will not work with pre-GCC 5 in PIC mode.
Could you please specify why do you think it is wrong for PIC mode for pre-GCC 5?
Thanks,
Igor
>
> Jakub
- References:
- [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- Re: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- Re: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- Re: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- RE: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code
- Re: [PATCH 2/X, i386, PR54232] Enable EBX for x86 in 32bits PIC code