From b16d63dac6655da82bd934b1a10e053776bffcb3 Mon Sep 17 00:00:00 2001
From: David Ung <davidu@mips.com>
Date: Thu, 16 Jun 2005 15:15:49 +0000
Subject: [PATCH] * mips.igen: New mips16e model and include m16e.igen.
 (check_u64): Add mips16e tag. * m16e.igen: New file for MIPS16e instructions.
 * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
 mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e models. *
 configure: Regenerate.

---
 sim/mips/ChangeLog    |  11 +++
 sim/mips/configure    | 182 +++++++++++++++++-------------------------
 sim/mips/configure.ac |  20 +++--
 sim/mips/m16e.igen    | 105 ++++++++++++++++++++++++
 sim/mips/mips.igen    |   3 +
 5 files changed, 204 insertions(+), 117 deletions(-)
 create mode 100644 sim/mips/m16e.igen

diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index 00a76d21e9..d963ab3fec 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,14 @@
+2005-06-16  David Ung  <davidu@mips.com>
+            Nigel Stephens  <nigel@mips.com>
+
+        * mips.igen: New mips16e model and include m16e.igen.
+        (check_u64): Add mips16e tag.
+        * m16e.igen: New file for MIPS16e instructions.
+        * configure.ac (mipsisa32*-*-*, mipsisa32r2*-*-*, mipsisa64*-*-*,
+        mipsisa64r2*-*-*): Change sim_gen to M16, add mips16 and mips16e
+        models.
+        * configure: Regenerate.
+
 2005-05-26  David Ung  <davidu@mips.com>
  
  	* mips.igen (mips32r2, mips64r2): New ISA models.  Add new model
diff --git a/sim/mips/configure b/sim/mips/configure
index d74ccc3267..2e95465cae 100755
--- a/sim/mips/configure
+++ b/sim/mips/configure
@@ -980,7 +980,7 @@ esac
     else
       echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi
-    cd $ac_popdir
+    cd "$ac_popdir"
   done
 fi
 
@@ -2188,8 +2188,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2247,8 +2246,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2364,8 +2362,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2419,8 +2416,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2465,8 +2461,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2510,8 +2505,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2792,8 +2786,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -2847,8 +2840,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3163,8 +3155,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3371,8 +3362,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3432,8 +3422,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3512,8 +3501,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3578,8 +3566,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3644,8 +3631,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3709,8 +3695,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3791,8 +3776,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -3933,8 +3917,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4072,8 +4055,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4257,8 +4239,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4509,8 +4490,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4704,8 +4684,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4808,8 +4787,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4880,8 +4858,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -4978,8 +4955,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5115,8 +5091,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5180,8 +5155,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5236,8 +5210,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5377,8 +5350,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5511,8 +5483,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5789,8 +5760,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -5984,8 +5954,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6135,8 +6104,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6286,8 +6254,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6438,8 +6405,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6626,8 +6592,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6700,8 +6665,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6774,8 +6738,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -6997,8 +6960,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -7194,8 +7156,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -7237,8 +7198,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -7295,8 +7255,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -7490,8 +7449,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -7821,18 +7779,21 @@ case "${target}" in
 			sim_igen_filter="32,64,f"
 			sim_m16_filter="16"
 			;;
-  mipsisa32r2*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips32r2"
+  mipsisa32r2*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips32r2,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips32r2"
 			sim_igen_filter="32,f"
 			sim_mach_default="mipsisa32r2"
 			;;
-  mipsisa32*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips32"
+  mipsisa32*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips32,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips32"
 			sim_igen_filter="32,f"
 			sim_mach_default="mipsisa32"
 			;;
-  mipsisa64r2*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips64r2,mips3d"
+  mipsisa64r2*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips64r2,mips3d,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips64r2"
 			sim_igen_filter="32,64,f"
 			sim_mach_default="mipsisa64r2"
 			;;
@@ -7841,8 +7802,9 @@ case "${target}" in
 			sim_igen_filter="32,64,f"
 			sim_mach_default="mips_sb1"
 			;;
-  mipsisa64*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips64,mips3d"
+  mipsisa64*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips64,mips3d,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips64"
 			sim_igen_filter="32,64,f"
 			sim_mach_default="mipsisa64"
 			;;
@@ -8162,6 +8124,7 @@ esac
 echo "$as_me:$LINENO: checking for X" >&5
 echo $ECHO_N "checking for X... $ECHO_C" >&6
 
+ac_path_x_has_been_run=yes
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -8254,7 +8217,7 @@ ac_x_header_dirs='
 /usr/openwin/share/include'
 
 if test "$ac_x_includes" = no; then
-  # Guess where to find include files, by looking for Intrinsic.h.
+  # Guess where to find include files, by looking for a specified header file.
   # First, try using that file with no special directory specified.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -8328,8 +8291,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -8389,8 +8351,12 @@ else
   # Update the cache value to reflect the command line values.
   ac_cv_have_x="have_x=yes \
 		ac_x_includes=$x_includes ac_x_libraries=$x_libraries"
-  echo "$as_me:$LINENO: result: libraries $x_libraries, headers $x_includes" >&5
-echo "${ECHO_T}libraries $x_libraries, headers $x_includes" >&6
+  # It might be that x_includes is empty (headers are found in the
+  # standard search path. Then output the corresponding message
+  ac_out_x_includes=$x_includes
+  test "x$x_includes" = x && ac_out_x_includes="in standard search path"
+  echo "$as_me:$LINENO: result: libraries $x_libraries, headers $ac_out_x_includes" >&5
+echo "${ECHO_T}libraries $x_libraries, headers $ac_out_x_includes" >&6
 fi
 
 mips_extra_libs=""
@@ -8433,8 +8399,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -8588,8 +8553,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -8694,8 +8658,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_c_werror_flag"
-			 || test ! -s conftest.err'
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?
@@ -9636,11 +9599,6 @@ esac
   *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
   esac
 
-  if test x"$ac_file" != x-; then
-    { echo "$as_me:$LINENO: creating $ac_file" >&5
-echo "$as_me: creating $ac_file" >&6;}
-    rm -f "$ac_file"
-  fi
   # Let's still pretend it is `configure' which instantiates (i.e., don't
   # use $as_me), people would be surprised to read:
   #    /* config.h.  Generated by config.status.  */
@@ -9679,6 +9637,12 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
 	 fi;;
       esac
     done` || { (exit 1); exit 1; }
+
+  if test x"$ac_file" != x-; then
+    { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+    rm -f "$ac_file"
+  fi
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
   sed "$ac_vpsub
diff --git a/sim/mips/configure.ac b/sim/mips/configure.ac
index 8b191afcf3..3128f9f56f 100644
--- a/sim/mips/configure.ac
+++ b/sim/mips/configure.ac
@@ -145,18 +145,21 @@ case "${target}" in
 			sim_igen_filter="32,64,f"
 			sim_m16_filter="16"
 			;;
-  mipsisa32r2*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips32r2"
+  mipsisa32r2*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips32r2,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips32r2"
 			sim_igen_filter="32,f"
 			sim_mach_default="mipsisa32r2"
 			;;
-  mipsisa32*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips32"
+  mipsisa32*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips32,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips32"
 			sim_igen_filter="32,f"
 			sim_mach_default="mipsisa32"
 			;;
-  mipsisa64r2*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips64r2,mips3d"
+  mipsisa64r2*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips64r2,mips3d,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips64r2"
 			sim_igen_filter="32,64,f"
 			sim_mach_default="mipsisa64r2"
 			;;
@@ -165,8 +168,9 @@ case "${target}" in
 			sim_igen_filter="32,64,f"
 			sim_mach_default="mips_sb1"
 			;;
-  mipsisa64*-*-*)	sim_gen=IGEN
-		        sim_igen_machine="-M mips64,mips3d"
+  mipsisa64*-*-*)	sim_gen=M16
+		        sim_igen_machine="-M mips64,mips3d,mips16,mips16e"
+			sim_m16_machine="-M mips16,mips16e,mips64"
 			sim_igen_filter="32,64,f"
 			sim_mach_default="mipsisa64"
 			;;
diff --git a/sim/mips/m16e.igen b/sim/mips/m16e.igen
new file mode 100644
index 0000000000..2d7a073604
--- /dev/null
+++ b/sim/mips/m16e.igen
@@ -0,0 +1,105 @@
+// -*- C -*-
+
+// Simulator definition for the MIPS16e instructions.
+// Copyright (C) 2005 Free Software Foundation, Inc.
+// Contributed by Nigel Stephens (nigel@mips.com) and 
+//                David Ung (davidu@mips.com) of MIPS Technologies.
+//
+// This file is part of GDB, the GNU debugger.
+// 
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2, or (at your option)
+// any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+11101,3.RX,100,10001:RR:16::SEB
+"seb r<TRX>"
+*mips16e:
+{
+  TRACE_ALU_INPUT1 (GPR[TRX]);
+  GPR[TRX] = EXTEND8 (GPR[TRX]);
+  TRACE_ALU_RESULT (GPR[TRX]);
+}
+
+
+11101,3.RX,101,10001:RR:16::SEH
+"seh r<TRX>"
+*mips16e:
+{
+  TRACE_ALU_INPUT1 (GPR[TRX]);
+  GPR[TRX] = EXTEND16 (GPR[TRX]);
+  TRACE_ALU_RESULT (GPR[TRX]);
+}
+
+11101,3.RX,110,10001:RR:16::SEW
+"sew r<TRX>"
+*mips16e:
+{
+  check_u64 (SD_, instruction_0);
+  TRACE_ALU_INPUT1 (GPR[TRX]);
+  GPR[TRX] = EXTEND32 (GPR[TRX]);
+  TRACE_ALU_RESULT (GPR[TRX]);
+}
+
+11101,3.RX,000,10001:RR:16::ZEB
+"zeb r<TRX>"
+*mips16e:
+{
+  TRACE_ALU_INPUT1 (GPR[TRX]);
+  GPR[TRX] =  (unsigned_word)(unsigned8)(GPR[TRX]);
+  TRACE_ALU_RESULT (GPR[TRX]);
+}
+
+11101,3.RX,001,10001:RR:16::ZEH
+"zeh r<TRX>"
+*mips16e:
+{
+  TRACE_ALU_INPUT1 (GPR[TRX]);
+  GPR[TRX] = (unsigned_word)(unsigned16)(GPR[TRX]);
+  TRACE_ALU_RESULT (GPR[TRX]);
+}
+
+11101,3.RX,010,10001:RR:16::ZEW
+"zew r<TRX>"
+*mips16e:
+{
+  check_u64 (SD_, instruction_0);
+  TRACE_ALU_INPUT1 (GPR[TRX]);
+  GPR[TRX] = (unsigned_word)(unsigned32)(GPR[TRX]);
+  TRACE_ALU_RESULT (GPR[TRX]);
+}
+
+
+11101,3.RX,100,00000:RR:16::JRC
+"jrc r<TRX>"
+*mips16e:
+{
+  NIA = GPR[TRX];
+}
+
+
+11101,000,101,00000:RR:16::JRCRA
+"jrc ra"
+*mips16e:
+{
+  NIA = RA;
+}
+
+
+11101,3.RX,110,00000:RR:16::JALRC
+"jalrc r<TRX>"
+*mips16e:
+{
+  RA = NIA;
+  NIA = GPR[TRX];
+}
diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen
index 40e3802154..9f99912fb8 100644
--- a/sim/mips/mips.igen
+++ b/sim/mips/mips.igen
@@ -68,6 +68,7 @@
 //  Instructions for the ASEs are in separate .igen files.
 //  ASEs add instructions on to a base ISA.
 :model:::mips16:mips16:			// m16.igen (and m16.dc)
+:model:::mips16e:mips16e:		// m16e.igen
 :model:::mips3d:mips3d:			// mips3d.igen
 :model:::mdmx:mdmx:			// mdmx.igen
 
@@ -491,6 +492,7 @@
 }
 
 :function:::void:check_u64:instruction_word insn
+*mips16e:
 *mips64:
 *mips64r2:
 {
@@ -5689,6 +5691,7 @@
 
 :include:::mips3264r2.igen
 :include:::m16.igen
+:include:::m16e.igen
 :include:::mdmx.igen
 :include:::mips3d.igen
 :include:::sb1.igen