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Re: [PATCH 4/4] [i386, testsuite] Add tests, fix bug in check_avx2_hw_available

From: Daniel Santos <daniel dot santos at pobox dot com>
To: Uros Bizjak <ubizjak at gmail dot com>
Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, Jan Hubicka <hubicka at ucw dot cz>, "H . J . Lu" <hjl dot tools at gmail dot com>, Rainer Orth <ro at cebitec dot uni-bielefeld dot de>, Mike Stump <mikestump at comcast dot net>
Date: Wed, 23 Aug 2017 15:55:25 -0500
Subject: Re: [PATCH 4/4] [i386, testsuite] Add tests, fix bug in check_avx2_hw_available
Authentication-results: sourceware.org; auth=none
References: <6bbd474b-d6f9-eed0-8035-0dd8d4b9379d@pobox.com> <20170822225015.10358-4-daniel.santos@pobox.com> <CAFULd4ZtVotnKFj8ouuYvqcnVAanMCd8syGPVWEiQBKn+M32qQ@mail.gmail.com>

On 08/23/2017 08:26 AM, Uros Bizjak wrote:

>> @@ -1822,6 +1845,7 @@ proc check_avx2_hw_available { } {
>>             expr 0
>>         } else {
>>             check_runtime_nocache avx2_hw_available {
>> +               #include <stddef.h>
> Why is the above include needed?

It is only needed to #define NULL.  Without the include, I've had this
function fail due to NULL being undefined.

Daniel

References:
- [PATCH v4 0/4] [i386] PR80969 Fix ICE with -mabi=ms -mavx512f
  - From: Daniel Santos
- [PATCH 4/4] [i386, testsuite] Add tests, fix bug in check_avx2_hw_available
  - From: Daniel Santos
- Re: [PATCH 4/4] [i386, testsuite] Add tests, fix bug in check_avx2_hw_available
  - From: Uros Bizjak

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