[PATCH] [C++] save space in language_function

[Jason Merrill]

On 05 Jan 2004 21:15:03 +0100, Gabriel Dos Reis <gdr@integrable-solutions.net> wrote:

> When I was working on compile-time improvement for Apple, I tried many
> different versions of patches that reduce memory consumption by using
> bitfields.  In fact, as ever, it was not obvious that one gets that huge
> -memory- saving (that is why it would be good to send numbers as
> reported by say -fmemory-report).  The issue is a time-space
> optimization. If you use a bitfield, some acrhitectures might need
> more instruction to extract or store information there.  So you might
> end up with a speed slowdown.  So you will also need to send report on
> speed (say by -ftime-report).

Indeed.  I won't approve any of these without such measurements.

Jason