On Thu, 26 Aug 2021, Patrick McGehearty via Gcc-patches wrote:

> The revision retains the use of __LIBGCC_DF_* in .../rs6000/_divkc3.c
> instead of __LIBGCC_KF_* since some older but still supported environments
> do not recognize the KF floating point mode properly. This change has a

That part of the patch is still wrong and should not be applied.  I don't 
know where the actual problem is in the compiler causing __LIBGCC_KF_* not 
to be defined, but using a DFmode macro there is incorrect.

-- 
Joseph S. Myers
jos...@codesourcery.com

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