From patchwork Sun Jul 11 03:47:14 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: passes.texi: fill crossref nodes (GCC Internals) From: Denis ChengRq X-Patchwork-Id: 58506 Message-Id: <1278820035-18384-1-git-send-email-crquan@gmail.com> To: gcc-patches@gcc.gnu.org Cc: "Dennis, CHENG Renquan" , Laurynas Biveinis , =?UTF-8?q?Manuel=20L=C3=B3pez-Ib=C3=A1=C3=B1ez?= Date: Sun, 11 Jul 2010 11:47:14 +0800 From: "Dennis, CHENG Renquan" Tested with "make info pdf". 2010-07-10 "Dennis, CHENG Renquan" * doc/passes.texi: fill crossref nodes Git 1.7.1.1 CHENG Renquan 38 St Thomas Walk, Singapore 238118 http://crquan.fedorapeople.org --- gcc-4.5-20100708/gcc/doc/passes.texi.orig 2009-11-25 13:08:37.000000000 +0800 +++ gcc-4.5-20100708/gcc/doc/passes.texi 2010-07-10 07:56:17.357340880 +0800 @@ -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 Free Software @@ -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) @@ -111,8 +110,7 @@ definitions immediately or queue them fo @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. --