From 666a21a2993b36e8c10f2d0759cd7f68811663fb Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Wed, 30 Mar 2011 20:42:51 +0100
Subject: options.texi (NegativeAlias): Document.

	* doc/options.texi (NegativeAlias): Document.
	(Alias): Mention NegativeAlias.
	* opt-functions.awk: Handle NegativeAlias.
	* optc-gen.awk: Disallow NegativeAlias with multiple Alias
	arguments.
	* opts-common.c (decode_cmdline_option): Handle CL_NEGATIVE_ALIAS.
	* opts.h (CL_NEGATIVE_ALIAS): Define.
	* config/rs6000/rs6000.c (rs6000_parse_yes_no_option): Remove.
	(rs6000_handle_option): Don't handle OPT_mvrsave_, OPT_misel_ and
	OPT_mspe_.
	* config/rs6000/rs6000.opt (mvrsave=, misel=, mspe=): Replace with
	Alias entries.
	* config/rs6000/t-spe (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
	mno-spe and mno-isel instead of mspe=no and -misel=no.

From-SVN: r171745
---
 gcc/optc-gen.awk | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/gcc/optc-gen.awk b/gcc/optc-gen.awk
index 502b23bf6e0..24def356218 100644
--- a/gcc/optc-gen.awk
+++ b/gcc/optc-gen.awk
@@ -362,6 +362,11 @@ for (i = 0; i < n_opts; i++) {
 				print "#error Alias with single argument " \
 					"allowing negative form"
 		}
+		if (alias_posarg != "" \
+		    && flag_set_p("NegativeAlias", flags[i])) {
+			print "#error Alias with multiple arguments " \
+				"used with NegativeAlias"
+		}
 
 		alias_opt = opt_enum(alias_opt)
 		if (alias_posarg == "")
-- 
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