From 0f8defe54234149c5ac743e6bee2b9fa42764934 Mon Sep 17 00:00:00 2001
From: jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 17 Sep 2010 14:14:49 +0000
Subject: 	* doc/options.texi (Variable): Document. 	*
 optc-gen.awk, opth-gen.awk: Handle Variable records.  Don't 	generate
 target_flags declarations explicitly.  Don't define 	VarExists variables
 for the driver. 	* common.opt (target_flags): New Variable record. 
 (flag_dump_unnumbered, flag_dump_unnumbered_links, 	flag_var_tracking,
 flag_var_tracking_assignments, 	flag_var_tracking_assignments_toggle):
 Don't mark variables with 	VarExists. 	* config/i386/i386.c
 (ix86_isa_flags): Don't define here. 	* config/i386/i386.opt
 (ix86_isa_flags): Define here. 	* config/mcore/mcore.c
 (mcore_stack_increment): Don't define here. 	* config/mcore/mcore.opt
 (mcore_stack_increment): Don't mark with 	VarExists. 	* flags.h
 (flag_dump_unnumbered, flag_var_tracking): Remove. 	* print-rtl.c
 (flag_dump_unnumbered, flag_dump_unnumbered_links): 	Only define for
 generator programs. 	* rtlanal.c (target_flags): Remove. 	* toplev.c
 (flag_var_tracking, flag_var_tracking_assignments, 
 flag_var_tracking_assignments_toggle): Remove.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164370 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/opth-gen.awk | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'gcc/opth-gen.awk')

diff --git a/gcc/opth-gen.awk b/gcc/opth-gen.awk
index 0d1d0df375a..423328ddfdb 100644
--- a/gcc/opth-gen.awk
+++ b/gcc/opth-gen.awk
@@ -28,6 +28,7 @@ BEGIN {
 	n_opts = 0
 	n_langs = 0
 	n_target_save = 0
+	n_extra_vars = 0
 	n_extra_masks = 0
 	FS=SUBSEP
 }
@@ -43,6 +44,10 @@ BEGIN {
 			target_save_decl[n_target_save] = $2
 			n_target_save++
 		}
+		else if ($1 == "Variable") {
+			extra_vars[n_extra_vars] = $2
+			n_extra_vars++
+		}
 		else {
 			name = opt_args("Mask", $1)
 			if (name == "") {
@@ -65,12 +70,17 @@ print ""
 print "#ifndef OPTIONS_H"
 print "#define OPTIONS_H"
 print ""
-print "extern int target_flags;"
 print "extern int target_flags_explicit;"
 print ""
 
 have_save = 0;
 
+for (i = 0; i < n_extra_vars; i++) {
+	var = extra_vars[i]
+	sub(" *=.*", "", var)
+	print "extern " var ";"
+}
+
 for (i = 0; i < n_opts; i++) {
 	if (flag_set_p("Save", flags[i]))
 		have_save = 1;
-- 
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