* gas/ChangeLog: Revert

* gas/config/tc-avr.c: Revert
	* gas/doc/c-avr.texi: Revert
	* gas/testsuite/ChangeLog: Revert
	* gas/testsuite/gas/avr/avr.exp: Revert
	* gas/testsuite/gas/avr/rmw.d: Revert
	* gas/testsuite/gas/avr/rmw.s: Revert

	This reverts commit d24e46e3e2.

gas/ChangeLog

@@ -1,12 +1,3 @@
-2014-03-29  Pitchumani Sivanupandi <pitchumani.s@atmel.com>
-
-	* config/tc-avr.c: Add specified_mcu variable for selected mcu.
-	(enum options): add OPTION_RMW_ISA for -mrmw option.
-	(struct option md_longopts): Add mrmw option.
-	(md_show_usage): add -mrmw option description.
-	(md_parse_option): Update isa details if -mrmw option specified.
-	* doc/c-avr.texi: Add doc for new option -mrmw.
-
 2014-03-27  Nick Clifton  <nickc@redhat.com>
 
 	* config/tc-score.c (s3_parse_pce_inst): Add "%s" parameter to

gas/config/tc-avr.c

@@ -326,10 +326,8 @@ static struct mcu_type_s mcu_types[] =
   {NULL, 0, 0}
 };
 
-
 /* Current MCU type.  */
 static struct mcu_type_s   default_mcu = {"avr2", AVR_ISA_AVR2, bfd_mach_avr2};
-static struct mcu_type_s   specified_mcu;
 static struct mcu_type_s * avr_mcu = & default_mcu;
 
 /* AVR target-specific switches.  */
@@ -400,8 +398,7 @@ enum options
 {
   OPTION_ALL_OPCODES = OPTION_MD_BASE + 1,
   OPTION_NO_SKIP_BUG,
-  OPTION_NO_WRAP,
+  OPTION_NO_WRAP
-  OPTION_RMW_ISA
 };
 
 struct option md_longopts[] =
@@ -410,7 +407,6 @@ struct option md_longopts[] =
   { "mall-opcodes", no_argument, NULL, OPTION_ALL_OPCODES },
   { "mno-skip-bug", no_argument, NULL, OPTION_NO_SKIP_BUG },
   { "mno-wrap",     no_argument, NULL, OPTION_NO_WRAP     },
-  { "mrmw",         no_argument, NULL, OPTION_RMW_ISA     },
   { NULL, no_argument, NULL, 0 }
 };
 
@@ -515,9 +511,7 @@ md_show_usage (FILE *stream)
 	"  -mno-skip-bug    disable warnings for skipping two-word instructions\n"
 	"                   (default for avr4, avr5)\n"
 	"  -mno-wrap        reject rjmp/rcall instructions with 8K wrap-around\n"
-	"                   (default for avr3, avr5)\n"
+	"                   (default for avr3, avr5)\n"));
-    "  -mrmw            accept RMW instructions\n"
-    ));
   show_mcu_list (stream);
 }
 
@@ -564,12 +558,7 @@ md_parse_option (int c, char *arg)
 	   type - this for allows passing -mmcu=... via gcc ASM_SPEC as well
 	   as .arch ... in the asm output at the same time.  */
 	if (avr_mcu == &default_mcu || avr_mcu->mach == mcu_types[i].mach)
-      {
+	  avr_mcu = &mcu_types[i];
-        specified_mcu.name = mcu_types[i].name;
-        specified_mcu.isa  |= mcu_types[i].isa;
-        specified_mcu.mach = mcu_types[i].mach;
-        avr_mcu = &specified_mcu;
-      }
 	else
 	  as_fatal (_("redefinition of mcu type `%s' to `%s'"),
 		    avr_mcu->name, mcu_types[i].name);
@@ -584,9 +573,6 @@ md_parse_option (int c, char *arg)
     case OPTION_NO_WRAP:
       avr_opt.no_wrap = 1;
       return 1;
-    case OPTION_RMW_ISA:
-      specified_mcu.isa |= AVR_ISA_RMW;
-      return 1;
     }
 
   return 0;

gas/doc/c-avr.texi

@@ -129,10 +129,6 @@ This option disable warnings for skipping two-word instructions.
 @item -mno-wrap
 This option reject @code{rjmp/rcall} instructions with 8K wrap-around.
 
-@cindex @code{-mrmw} command line option, AVR
-@item -mrmw
-Accept RMW (@code{XCH,LAC,LAS,LAT}) instructions.
-
 @end table
 
 

gas/testsuite/ChangeLog

@@ -1,9 +1,3 @@
-2014-03-29  Pitchumani Sivanupandi <pitchumani.s@atmel.com>
-
-	* gas/avr/avr.exp: Run new tests.
-	* gas/avr/rmw.d: Add test for additional ISA support.
-	* gas/avr/rmw.s: Ditto.
-
 2014-03-21  David Weatherford <weath@cadence.com>
             Max Filippov <jcmvbkbc@gmail.com>
 

gas/testsuite/gas/avr/avr.exp

@@ -1,24 +0,0 @@
-# Copyright 2014
-# Free Software Foundation, Inc.
-
-# 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 3 of the License, 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  
-
-#
-# Some AVR tests
-#
-
-if {[istarget avr-*-*]} {
-    run_dump_tests [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
-}

gas/testsuite/gas/avr/rmw.d

@@ -1,23 +0,0 @@
-#name: AVR RMW instructions
-#as: -mmcu=avrxmega2 -mrmw
-#objdump: -dr --show-raw-insn
-#target: avr-*-*
-
-.*: +file format elf32-avr
-
-Disassembly of section .text:
-
-00000000 <main>:
-   0:	cf 93       	push	r28
-   2:	df 93       	push	r29
-   4:	cd b7       	in	r28, 0x3d	; 61
-   6:	de b7       	in	r29, 0x3e	; 62
-   8:	c4 92       	xch	Z, r12
-   a:	c5 92       	las	Z, r12
-   c:	c6 92       	lac	Z, r12
-   e:	c7 92       	lat	Z, r12
-  10:	80 e0       	ldi	r24, 0x00	; 0
-  12:	90 e0       	ldi	r25, 0x00	; 0
-  14:	df 91       	pop	r29
-  16:	cf 91       	pop	r28
-  18:	08 95       	ret

gas/testsuite/gas/avr/rmw.s

@@ -1,32 +0,0 @@
-	.file	"rmw.s"
-__SP_H__ = 0x3e
-__SP_L__ = 0x3d
-__SREG__ = 0x3f
-__CCP__ = 0x34
-__tmp_reg__ = 0
-__zero_reg__ = 1
-	.text
-.global	main
-	.type	main, @function
-main:
-	push r28
-	push r29
-	in r28,__SP_L__
-	in r29,__SP_H__
-/* prologue: function */
-/* frame size = 0 */
-/* stack size = 2 */
-.L__stack_usage = 2
-/* #APP */
-	xch Z, r12
-	las Z, r12
-	lac Z, r12
-	lat Z, r12
-/* #NOAPP */
-	ldi r24,0
-	ldi r25,0
-/* epilogue start */
-	pop r29
-	pop r28
-	ret
-	.size	main, .-main