[PATCH 00/13] Use GCC builtins for some math functions if desired.

[Stefan Liebler]

On 12/2/19 3:46 PM, Stefan Liebler wrote:
> Hi,
> 
> this patch-series moves the nearbyint, rint, floor, ceil, trunc and round implementation from sysdeps/ieee754/dbl-64/wordsize-64 to sysdeps/ieee754/dbl-64/ as proposed by Adhemerval:
> ttps://www.sourceware.org/ml/libc-alpha/2019-11/msg00085.html
> 
> It also introduces the math-use-builtins.h header with __USE_<SYMBOL>_BUILTIN macros which allows to just use GCC __builtin_<SYMBOL> instead of the current common-code implementation.  There is a float, double, long double and _Float128 version of this macro for each <SYMBOL>.
> 
> The generic math-use-builtins.h header is defining all those macros to 0 in order to use the current common-code implenetation.  If an architecture wants to use the builtins, an architecture specific math-use-builtins.h needs to be created (e.g. done for s390) where those macros are defined to 1.
> 
> Bye,
> Stefan
> 

Hi,

thanks for the review so far.
I've sent a new version v2 with changes due to Adhemervals comments.
See "[PATCH v2 00/18] Use GCC builtins for some math functions if desired."
https://www.sourceware.org/ml/libc-alpha/2019-12/msg00258.html

Can you have a final look, please?

Bye,
Stefan