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Re: Patch: Add BID decimal floating point format
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: "Meissner, Michael" <michael dot meissner at amd dot com>
- Cc: gcc-patches at gcc dot gnu dot org, "Harle, Christophe" <christophe dot harle at amd dot com>, "H. J. Lu" <hjl at lucon dot org>, bje at au1 dot ibm dot com, "Janis Johnson" <janis187 at us dot ibm dot com>
- Date: Tue, 27 Feb 2007 22:20:29 +0100
- Subject: Re: Patch: Add BID decimal floating point format
- References: <6096959DEF5C9447A6BF80BDC7EB9EDC06155C2C@SBOSEXMB1.amd.com>
* Michael Meissner:
> Are there any objections or comments to patch?
@item --enable-decimal-float
+@itemx --enable-decimal-float=yes
+@itemx --enable-decimal-float=no
+@itemx --enable-decimal-float=bid
+@itemx --enable-decimal-float=dpd
@itemx --disable-decimal-float
Enable (or disable) support for the C decimal floating point
-extension. This is enabled by default only on PowerPC GNU/Linux
-systems. Other systems may also support it, but require the user to
-specifically enable it.
+extension. This is enabled by default only on PowerPC, i386, and
+x86_64 GNU/Linux systems. Other systems may also support it, but
+require the user to specifically enable it. You can optionally
+control which decimal floating point format is used (either @var{bid}
+or @var{dpd}). The @var{bid} format is default on i386 and x86_64
+systems, and the @var{dpd} format is default on PowerPC systems.
@samp{bid} and @samp{dpd} instead of @var{bid} and @var{dpd} (@var{}
is intended for metasyntactic variables only and is rendered in
CAPITAL LETTERS in plain text).
Are DPD and BID universal terms? If not, it might make sense to
reference a definition (or provide one).