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Re: [doc patch] document -mlong-double-* for PowerPC
- From: Janis Johnson <janis187 at us dot ibm dot com>
- To: Janis Johnson <janis187 at us dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 15 Mar 2006 10:18:29 -0800
- Subject: Re: [doc patch] document -mlong-double-* for PowerPC
- References: <20060303014100.GA8126@us.ibm.com>
On Thu, Mar 02, 2006 at 05:41:00PM -0800, Janis Johnson wrote:
> This patch documents the options -mlong-double-64 and -mlong-double-128
> for PowerPC. I wasn't quite sure what to say about the default, since
> the default for a compiler depends on how it was configured; the
> "default" default is 128 for Darwin, 64 for GNU/Linux and AIX.
Ping! The descriptions for lots of options don't say what the default
is, so perhaps I can get around the controversy by removing the final
sentence and leave it ambiguous.
> +@item -mlong-double-64
> +@itemx -mlong-double-128
> +@opindex mlong-double-64
> +@opindex mlong-double-128
> +These switches control the size of the @code{long double} type. A size
> +of 64 bits makes the @code{long double} type equivalent to the
> +@code{double} type. The default depends on how GCC was configured.
> +
> @item -mmultiple
> @itemx -mno-multiple
> @opindex mmultiple
Janis