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Subject: Re: [PATCH 4/4] [i386, testsuite] Add tests, fix bug in check_avx2_hw_available
To: Uros Bizjak <ubizjak@gmail.com>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>, Jan Hubicka <hubicka@ucw.cz>, "H . J . Lu" <hjl.tools@gmail.com>, Rainer Orth <ro@cebitec.uni-bielefeld.de>, Mike Stump <mikestump@comcast.net>
References: <6bbd474b-d6f9-eed0-8035-0dd8d4b9379d@pobox.com> <20170822225015.10358-4-daniel.santos@pobox.com> <CAFULd4ZtVotnKFj8ouuYvqcnVAanMCd8syGPVWEiQBKn+M32qQ@mail.gmail.com>
From: Daniel Santos <daniel.santos@pobox.com>
Message-ID: <ed2f2087-0af7-cc06-4020-ab10ae25be75@pobox.com>
Date: Thu, 24 Aug 2017 01:32:00 -0000
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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