[PATCH 2/5] iee754: prvoide gcc builtins based generic sqrt functions
Adhemerval Zanella
adhemerval.zanella@linaro.org
Mon Jun 1 18:32:57 GMT 2020
On 01/06/2020 15:12, Vineet Gupta wrote:
> On 6/1/20 7:42 AM, Adhemerval Zanella via Libc-alpha wrote:
>> You will need to move this definitions inside the !USE_SQRTF_BUILTIN
>> to avoid defined by not used warnings. Current practice is to just
>> open code the constants and let compiler optimize the constant pool:
>
> Won't it be better to keep the const variable and trust the compiler to subsume it
> instead of open coding in multiple places. Makes it more readable ?
I don't have a strong preference, it is just the recent math optimizations
use the constant directly in the hex format instead of trying to factoring
them out.
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