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From: James Kuyper <jameskuyper@alumni.caltech.edu>
Newsgroups: comp.lang.c
Subject: Re: constexpr is really very smart!
Date: Sat, 21 Dec 2024 17:37:52 -0500
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On 12/21/24 17:14, Michael S wrote:
> On Fri, 20 Dec 2024 14:31:54 -0800
> Tim Rentsch <tr.17687@z991.linuxsc.com> wrote:
>
>>
>> Thank you for that. Sadly I am not able to run it because my
>> test environment is lacking _rdtsc(), and I haven't been able
>> to find out how to install it.
>>
>
> Any x86-64 Linux should have _rdtsc() as inline function (or built-in)
> defined in x86intrin.h. No installation required.

On my x86-64 Linux system, that header (indirectly) declares __rdtsc(),
but not _rdtsc.