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Upstream-Status: Inappropriate [Backport]
From 54907dbd122d6e4661b9583247e5574b9349c130 Mon Sep 17 00:00:00 2001
From: gerald <gerald@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 17 Apr 2011 21:59:00 +0000
Subject: [PATCH 135/200] * doc/passes.texi: Fill crossref nodes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172621 138bc75d-0d04-0410-961f-82ee72b054a4
index 7453821..e5ee8c3 100644
--- a/gcc/doc/passes.texi
+++ b/gcc/doc/passes.texi
@@ -1,4 +1,4 @@
-@c markers: CROSSREF BUG TODO
+@c markers: BUG TODO
@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
@c 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
@@ -32,7 +32,7 @@ where near complete.
The language front end is invoked only once, via
@code{lang_hooks.parse_file}, to parse the entire input. The language
front end may use any intermediate language representation deemed
-appropriate. The C front end uses GENERIC trees (CROSSREF), plus
+appropriate. The C front end uses GENERIC trees (@pxref{GENERIC}), plus
a double handful of language specific tree codes defined in
@file{c-common.def}. The Fortran front end uses a completely different
private representation.
@@ -46,10 +46,9 @@ private representation.
At some point the front end must translate the representation used in the
front end to a representation understood by the language-independent
portions of the compiler. Current practice takes one of two forms.
-The C front end manually invokes the gimplifier (CROSSREF) on each function,
+The C front end manually invokes the gimplifier (@pxref{GIMPLE}) on each function,
and uses the gimplifier callbacks to convert the language-specific tree
-nodes directly to GIMPLE (CROSSREF) before passing the function off to
-be compiled.
+nodes directly to GIMPLE before passing the function off to be compiled.
The Fortran front end converts from a private representation to GENERIC,
which is later lowered to GIMPLE when the function is compiled. Which
route to choose probably depends on how well GENERIC (plus extensions)
@@ -111,11 +110,10 @@ definitions immediately or queue them for later processing.
@cindex GIMPLE
@dfn{Gimplification} is a whimsical term for the process of converting
the intermediate representation of a function into the GIMPLE language
-(CROSSREF). The term stuck, and so words like ``gimplification'',
+(@pxref{GIMPLE}). The term stuck, and so words like ``gimplification'',
``gimplify'', ``gimplifier'' and the like are sprinkled throughout this
section of code.
-@cindex GENERIC
While a front end may certainly choose to generate GIMPLE directly if
it chooses, this can be a moderately complex process unless the
intermediate language used by the front end is already fairly simple.
--
1.7.0.4
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