From 5948bb17e17b6215a8d594c809d2474875a8ebd8 Mon Sep 17 00:00:00 2001
From: John Ericson <john.ericson@obsidian.systems>
Date: Tue, 28 Aug 2018 09:46:35 +1000
Subject: [PATCH] 	* config.sub: Remove redundant patterns from second
 `case 	$basic_machine in`. The second case only needs to handle patterns 
 of the form *-*. We can drop some patterns without a change in 
 functionality.

Signed-off-by: Ben Elliston <bje@gnu.org>
---
 ChangeLog  |  7 +++++++
 config.sub | 23 ++++-------------------
 2 files changed, 11 insertions(+), 19 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6e91ede..5ce84c5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2018-08-28  John Ericson  <john.ericson@obsidian.systems>
+
+	* config.sub: Remove redundant patterns from second `case
+	$basic_machine in`. The second case only needs to handle patterns
+	of the form *-*. We can drop some patterns without a change in
+	functionality.
+
 2018-08-28  John Ericson  <john.ericson@obsidian.systems>
 
 	* config.sub: Remove duplicates in the huge `case basic_machine
diff --git a/config.sub b/config.sub
index 8c655e9..197a719 100755
--- a/config.sub
+++ b/config.sub
@@ -1072,29 +1072,18 @@ case $basic_machine in
 	amd64-*)
 		basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
-	cr16)
-		basic_machine=cr16-unknown
-		os=${os:-elf}
-		;;
 	cr16-*)
 		os=${os:-elf}
 		;;
-	crisv32 | crisv32-* | etraxfs*)
+	crisv32-* | etraxfs*-*)
 		basic_machine=crisv32-axis
 		;;
-	cris | cris-* | etrax*)
+	cris-* | etrax*-*)
 		basic_machine=cris-axis
 		;;
 	crx-*)
 		os=${os:-elf}
 		;;
-	crx)
-		basic_machine=crx-unknown
-		os=${os:-elf}
-		;;
-	m9s12z | m68hcs12z | hcs12z | s12z)
-		basic_machine=s12z-unknown
-		;;
 	m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
 		basic_machine=s12z-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
@@ -1113,19 +1102,15 @@ case $basic_machine in
 	nsx-tandem)
 		basic_machine=nsx-tandem
 		;;
-	s390 | s390-*)
+	s390-*)
 		basic_machine=s390-ibm
 		;;
-	s390x | s390x-*)
+	s390x-*)
 		basic_machine=s390x-ibm
 		;;
 	tile*-*)
 		os=${os:-linux-gnu}
 		;;
-	tile*)
-		basic_machine=$basic_machine-unknown
-		os=${os:-linux-gnu}
-		;;
 
 	# Recognize the cannonical CPU types that are allowed with any
 	# company name.