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Re: [RFH] Getting rid of WCHAR_TYPE_SIZE
- From: Neil Booth <neil at daikokuya dot demon dot co dot uk>
- To: gcc at gcc dot gnu dot org
- Cc: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>,Robert Dewar <dewar at gnat dot com>
- Date: Wed, 8 May 2002 21:24:14 +0100
- Subject: Re: [RFH] Getting rid of WCHAR_TYPE_SIZE
- References: <20020508201330.GA449@daikokuya.demon.co.uk>
Neil Booth wrote:-
> Successfully removing WCHAR_UNSIGNED tempted me to look at
> getting rid of WCHAR_TYPE_SIZE like Mark suggested.
> It turns out there is only one user in the whole compiler,
> and it's in Ada (huh?). In targtyps.c, we have:
> get_target_wchar_t_size ()
> /* We never want wide chacters less than "short" in Ada. */
> return MAX (SHORT_TYPE_SIZE, WCHAR_TYPE_SIZE);
> It seems a shame to have to maintain over 200 lines of #define
> and #undef gunk just for this. Can someone suggest a replacement?
And, FWIW, WCHAR_TYPE_SIZE is in general a run-time constant
based upon target options and e.g. -fshort-wchar. So the above
code wouldn't seem to suffice (a flaw of the macro, really). So
please let's find a way to nuke its use here.