install.texi (Specific): Mention x86_64.

2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>

	* doc/install.texi (Specific): Mention x86_64.

From-SVN: r75317

gcc/ChangeLog

+2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>
+
+	* doc/install.texi (Specific): Mention x86_64.
+
 2004-01-01  Hans-Peter Nilsson  <hp@bitrange.com>
 
 	* builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:

gcc/doc/install.texi

@@ -2096,6 +2096,8 @@ GNU Compiler Collection on your machine.
 @item
 @uref{#*-*-vxworks*,,*-*-vxworks*}
 @item
+@uref{#x86_64-*-*,,x86_64-*-*, amd64-*-*}
+@item
 @uref{#xtensa-*-elf,,xtensa-*-elf}
 @item
 @uref{#xtensa-*-linux*,,xtensa-*-linux*}
@@ -3497,6 +3499,16 @@ VxWorks will incorporate this module.)
 @html
 <hr />
 @end html
+@heading @anchor{x86_64-*-*}x86_64-*-*, amd64-*-*
+
+GCC supports the x86-64 architecture implemented by the AMD64 processor
+(amd64-*-* is an alias for x86_64-*-*) on GNU/Linux, FreeBSD and NetBSD.
+On GNU/Linux the default is a bi-arch compiler which is able to generate
+both 64-bit x86-64 and 32-bit x86 code (via the @option{-m32} switch).
+
+@html
+<hr />
+@end html
 @heading @anchor{xtensa-*-elf}xtensa-*-elf
 
 This target is intended for embedded Xtensa systems using the