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Re: [PATCH] math: Enable some math builtins for clang

From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
To: Joseph Myers <joseph at codesourcery dot com>
Cc: libc-alpha at sourceware dot org
Date: Tue, 26 Mar 2019 18:20:28 -0300
Subject: Re: [PATCH] math: Enable some math builtins for clang
References: <20190201124817.11211-1-adhemerval.zanella@linaro.org> <c5c43265-2bdd-b451-efb8-75d9cf542c6b@linaro.org> <afa7e0f8-9d09-8d59-b4a2-6f251e127882@linaro.org> <alpine.DEB.2.21.1903262045450.26392@digraph.polyomino.org.uk>

On 26/03/2019 17:47, Joseph Myers wrote:
> On Tue, 26 Mar 2019, Adhemerval Zanella wrote:
> 
>> If there is no objection, I will commit this shortly.
> 
> I'd like to confirm you made sure the built-ins *were type-generic* in the 
> relevant versions of clang (not just that they existed there - in GCC, 
> some of the built-ins were added first as type-specific for double, which 
> would have made them inappropriate to use with long double, and then later 
> changed to be type-generic).
> 

My understanding is it only provides the C99 type-generic ones (clang does
not provide __builtin_isnanf or __builtin_isnanl for instance). If I recall
correctly, it has not changed over the releases, but I will double check.

References:
- Re: [PATCH] math: Enable some math builtins for clang
  - From: Adhemerval Zanella
- Re: [PATCH] math: Enable some math builtins for clang
  - From: Joseph Myers

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