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Re: [PATCH 1/2] Add _arch_/_cpu_ to index_*/bit_* in x86 cpu-features.h
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Roland McGrath <roland at hack dot frob dot com>
- Cc: Florian Weimer <fw at deneb dot enyo dot de>, Florian Weimer <fweimer at redhat dot com>, GNU C Library <libc-alpha at sourceware dot org>
- Date: Fri, 11 Mar 2016 15:00:31 -0800
- Subject: Re: [PATCH 1/2] Add _arch_/_cpu_ to index_*/bit_* in x86 cpu-features.h
- Authentication-results: sourceware.org; auth=none
- References: <1457049161-13783-1-git-send-email-hjl dot tools at gmail dot com> <CAMe9rOqmnA8TOOEo_KbxYnxaDDvzEcb+hqLHwK=dZ5J75W8d5Q at mail dot gmail dot com> <20160311214735 dot 4CAE52C3C21 at topped-with-meat dot com> <CAMe9rOovPk+-DokpWoR7c6cG4bHydhaXPyNbZPyL6fRcapoD1Q at mail dot gmail dot com> <20160311220031 dot 3A5672C3BC5 at topped-with-meat dot com> <CAMe9rOrHS0g_EZ7dgkz02SgHoxqHwp5yazt3fR9Qj9NvYG+1Jg at mail dot gmail dot com> <20160311222939 dot 654342C3C24 at topped-with-meat dot com> <CAMe9rOo3m_x-EpY2w=ZzbLDd2MjjLhrBY6fP-ngDFGDG-Z+94A at mail dot gmail dot com> <874mcc636j dot fsf at mid dot deneb dot enyo dot de> <20160311225548 dot C6A7E2C3C24 at topped-with-meat dot com>
On Fri, Mar 11, 2016 at 2:55 PM, Roland McGrath <roland@hack.frob.com> wrote:
>> Roland committed a fix which included <cpu-features.h> (commit
>> 3bd80c0de2f8e7ca8020d37739339636d169957e) in tst-audit10.c I assumed
>> that this addressed this particular build failure (it does for me with
>> GCC 4.7).
<cpu-features.h> shouldn't be used in test. We can put cpuid.h
in incldue and do
#include_next <cpuid.h>
#ifndef bit_AVX512F
# define bit_AVX512F
#endif
It is better than use <cpu-features.h>.
--
H.J.