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Re: [PATCH 04/25] SPECIAL_REGNO_P
On Wed, 5 Sep 2018, ams@codesourcery.com wrote:
> This patch creates a new macro SPECIAL_REGNO_P which disables regrename. In
> other words, the register is fixed once allocated.
Creating new target macros is generally suspect - the presumption is that
target hooks should be used instead, unless it's clear the macro is part
of a group of very closely related macros that should all become hooks at
the same time (e.g. if adding a new one of the set of *_TYPE macros for
standard typedefs, a macro would probably be appropriate rather than
making just the new one into a hook).
--
Joseph S. Myers
joseph@codesourcery.com