From 7f3101c0a87f5be1dcf1811e8e54fb4b32cd2397 Mon Sep 17 00:00:00 2001
From: Kito Cheng <kito.cheng@gmail.com>
Date: Mon, 26 Feb 2018 06:47:32 +0000
Subject: [NDS32] Basic support for -mcpu= and --with-cpu= options.

gcc/
	* config.gcc: Add --with-cpu support for nds32 target.
	* config/nds32/nds32-opts.h(nds32_cpu_type): New.
	* config/nds32/nds32.opt: Add -mcpu= option.

From-SVN: r257982
---
 gcc/config.gcc | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'gcc/config.gcc')

diff --git a/gcc/config.gcc b/gcc/config.gcc
index c52fecf..7df1766 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -4265,7 +4265,7 @@ case "${target}" in
 		;;
 
 	nds32*-*-*)
-		supported_defaults="arch nds32_lib"
+		supported_defaults="arch cpu nds32_lib"
 
 		# process --with-arch
 		case "${with_arch}" in
@@ -4278,6 +4278,19 @@ case "${target}" in
 			;;
 		esac
 
+		case "${with_cpu}" in
+		"")
+			with_cpu=n9
+			;;
+		n9)
+			# OK
+			;;
+		*)
+			echo "Cannot accept --with-cpu=$with_cpu, available values are: n9" 1>&2
+			exit 1
+			;;
+		esac
+
 		# process --with-nds32-lib
 		case "${with_nds32_lib}" in
 		"")
-- 
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