gas:

* config/tc-arm.c (tinsns): Add ARMv6K instructions sev, wfe,
	wfi, yield.
opcodes:
	* arm-dis.c (thumb_opcodes): Add ARMv6K instructions nop, sev,
	wfe, wfi, yield.
gas/testsuite:
	* gas/arm/thumbv6k.d, gas/arm/thumbv6k.s: New dump test.
	* gas/arm/arm.exp: Run it.

gas/ChangeLog

@@ -1,3 +1,8 @@
+2005-03-12  Zack Weinberg  <zack@codesourcery.com>
+
+	* config/tc-arm.c (tinsns): Add ARMv6K instructions sev, wfe,
+	wfi, yield.
+
 2005-03-11  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* config-gas.com: Mark vax-vms as obsolete.

gas/config/tc-arm.c

@@ -10950,6 +10950,12 @@ static const struct thumb_opcode tinsns[] =
   {"sxtb",	0xb240,		2,	ARM_EXT_V6,  do_t_arit},
   {"uxth",	0xb280,		2,	ARM_EXT_V6,  do_t_arit},
   {"uxtb",	0xb2c0,		2,	ARM_EXT_V6,  do_t_arit},
+
+  /* ARM V6K.  */
+  {"sev",	0xbf40,		2,	ARM_EXT_V6K, do_empty},
+  {"wfe",	0xbf20,		2,	ARM_EXT_V6K, do_empty},
+  {"wfi",	0xbf30,		2,	ARM_EXT_V6K, do_empty},
+  {"yield",	0xbf10,		2,	ARM_EXT_V6K, do_empty},
 };
 
 void

gas/testsuite/ChangeLog

@@ -1,6 +1,11 @@
+2005-03-12  Zack Weinberg  <zack@codesourcery.com>
+
+	* gas/arm/thumbv6k.d, gas/arm/thumbv6k.s: New dump test.
+	* gas/arm/arm.exp: Run it.
+
 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
 
-        * gas/ppc/e500.d: Fix encoding of efscfd.
+	* gas/ppc/e500.d: Fix encoding of efscfd.
 
 2005-03-10  Jeff Baker  <jbaker@qnx.com>
 	    Alan Modra  <amodra@bigpond.net.au>

gas/testsuite/gas/arm/arm.exp

@@ -50,6 +50,7 @@ if {[istarget *arm*-*-*] || [istarget "xscale-*-*"]} then {
     run_dump_test "maverick"    
     run_dump_test "archv6"
     run_dump_test "thumbv6"
+    run_dump_test "thumbv6k"
     run_dump_test "arch6zk"
     
     run_errors_test "vfp-bad" "-mfpu=vfp" "VFP errors"

gas/testsuite/gas/arm/thumbv6k.d

@@ -0,0 +1,15 @@
+#name: THUMB V6K instructions
+#as: -march=armv6k -mthumb
+#objdump: -dr --prefix-addresses --show-raw-insn -M force-thumb
+
+.*: +file format .*arm.*
+
+Disassembly of section .text:
+0+000 <[^>]*> bf10 *	yield
+0+002 <[^>]*> bf20 *	wfe
+0+004 <[^>]*> bf30 *	wfi
+0+006 <[^>]*> bf40 *	sev
+0+008 <[^>]*> 46c0 *	nop[ \t]+\(mov r8, r8\)
+0+00a <[^>]*> 46c0 *	nop[ \t]+\(mov r8, r8\)
+0+00c <[^>]*> 46c0 *	nop[ \t]+\(mov r8, r8\)
+0+00e <[^>]*> 46c0 *	nop[ \t]+\(mov r8, r8\)

gas/testsuite/gas/arm/thumbv6k.s

@@ -0,0 +1,14 @@
+	.text
+	.align 0
+	.thumb
+label:
+	yield
+	wfe
+	wfi
+	sev
+	# arm-aout wants the segment padded to an 16-byte boundary;
+	# do this explicitly so it's consistent for all object formats.
+	nop
+	nop
+	nop
+	nop

opcodes/ChangeLog

@@ -4,6 +4,7 @@
 	Add entries for v6T2 ARM instructions:
 	bfc bfi mls strht ldrht ldrsht ldrsbt movw movt rbit ubfx sbfx.
 	(print_insn_arm): Add support for %E and %V.
+	(thumb_opcodes): Add ARMv6K instructions nop, sev, wfe, wfi, yield.
 
 2005-03-10  Jeff Baker  <jbaker@qnx.com>
 	    Alan Modra  <amodra@bigpond.net.au>

opcodes/arm-dis.c

@@ -635,6 +635,13 @@ static const struct thumb_opcode thumb_opcodes[] =
 {
   /* Thumb instructions.  */
 
+  /* ARM V6K no-argument instructions.  */
+  {ARM_EXT_V6K, 0xbf00, 0xffff, "nop"},
+  {ARM_EXT_V6K, 0xbf10, 0xffff, "yield"},
+  {ARM_EXT_V6K, 0xbf20, 0xffff, "wfe"},
+  {ARM_EXT_V6K, 0xbf30, 0xffff, "wfi"},
+  {ARM_EXT_V6K, 0xbf40, 0xffff, "sev"},
+
   /* ARM V6.  */
   {ARM_EXT_V6, 0xb660, 0xfff8, "cpsie\t%2'a%1'i%0'f"},
   {ARM_EXT_V6, 0xb670, 0xfff8, "cpsid\t%2'a%1'i%0'f"},