Add support for the AVR Tiny series of microcontrollers.

        * archures.c: add avrtiny architecture for avr target.
	* bfd-in2.h: Regenerate.
	* cpu-avr.c (arch_info_struct): add avrtiny arch info.
	* elf32-avr.c (elf_avr_howto_table): new relocation R_AVR_LDS_STS_16
	added for 16 bit LDS/STS instruction of avrtiny arch.
	(avr_reloc_map): reloc R_AVR_LDS_STS_16 is mapped to
	BFD_RELOC_AVR_LDS_STS_16.
	(bfd_elf_avr_final_write_processing): select machine number avrtiny arch.
	(elf32_avr_object_p): set machine number for avrtiny arch.
	* libbfd.h: Regenerate.
	* reloc.c: Add documentation for BFD_RELOC_AVR_LDS_STS_16 reloc.

         * config/tc-avr.c (mcu_types): Add avrtiny arch.
	Add avrtiny arch devices attiny4, attiny5, attiny9, attiny10, attiny20
	and attiny40.
	(md_show_usage): Add avrtiny arch in usage message.
	(avr_operand): validate and issue error for invalid register for avrtiny.
	add new reloc exp for 16 bit lds/sts instruction.
	(md_apply_fix): check 16 bit lds/sts operand for out of range and encode.
	(md_assemble): check ISA for arch and issue diagnostic.

	* include/elf/avr.h (E_AVR_MACH_AVRTINY): define avrtiny machine number.
	(R_AVR_LDS_STS_16): define 16 bit lds/sts reloc number.
	* include/opcode/avr.h (AVR_ISA_TINY): define avrtiny specific ISA.
	(AVR_ISA_2xxxa): define ISA without LPM.
	(AVR_ISA_AVRTINY): define avrtiny arch ISA.
	Add doc for contraint used in 16 bit lds/sts.
	Adjust ISA group for icall, ijmp, pop and push.
	Add 16 bit lds/sts encoding and update 32 bit lds/sts constraints.
	* opcodes/avr-dis.c (avr_operand): Handle constraint j for 16 bit lds/sts.
	(print_insn_avr): do not select opcode if insn ISA is avrtiny and machine
	is not avrtiny.

	* Makefile.am (ALL_EMULATION_SOURCES): add avrtiny emulation source.
	(eavrtiny.c): add rules for avrtiny emulation source.
	* Makefile.in: Regenerate.
	* configure.tgt: Add avrtiny to avr target emulations.
	* scripttempl/avrtiny.sc: New file.
	linker script template for avrtiny arch.
	* emulparams/avrtiny.sh: New file.
	emulation parameters for avrtiny arch.

23 files changed, 658 insertions, 174 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ff972a2e92..3253c76f6f 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,21 @@
+2014-07-01  Barney Stratford   <barney_stratford@fastmail.fm>
+            Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
+            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+            Soundararajan  <Sounderarajan.D@atmel.com>
+
+	* archures.c: Add avrtiny architecture for avr target.
+	* cpu-avr.c (arch_info_struct): Add avrtiny arch info.
+	* elf32-avr.c (elf_avr_howto_table): New relocation R_AVR_LDS_STS_16
+	added for 16 bit LDS/STS instruction of avrtiny arch.
+	(avr_reloc_map): Reloc R_AVR_LDS_STS_16 is mapped to
+	BFD_RELOC_AVR_LDS_STS_16.
+	(bfd_elf_avr_final_write_processing): Select machine number
+	avrtiny arch.
+	(elf32_avr_object_p): Set machine number for avrtiny arch.
+	* reloc.c: Add documentation for BFD_RELOC_AVR_LDS_STS_16 reloc.
+	* bfd-in2.h: Regenerate.
+	* libbfd.h: Regenerate.
+
 2014-06-26  Nick Clifton  <nickc@redhat.com>
 
 	PR binutils/16949
diff --git a/bfd/archures.c b/bfd/archures.c
index 9b47504c06..44c9199adf 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -410,6 +410,7 @@ DESCRIPTION
 .#define bfd_mach_avr5		5
 .#define bfd_mach_avr51		51
 .#define bfd_mach_avr6		6
+.#define bfd_mach_avrtiny   100
 .#define bfd_mach_avrxmega1 101
 .#define bfd_mach_avrxmega2 102
 .#define bfd_mach_avrxmega3 103
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index d9056ce33f..09182cf987 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -2195,6 +2195,7 @@ enum bfd_architecture
 #define bfd_mach_avr5          5
 #define bfd_mach_avr51         51
 #define bfd_mach_avr6          6
+#define bfd_mach_avrtiny   100
 #define bfd_mach_avrxmega1 101
 #define bfd_mach_avrxmega2 102
 #define bfd_mach_avrxmega3 103
@@ -4475,6 +4476,10 @@ value.  */
   BFD_RELOC_AVR_DIFF16,
   BFD_RELOC_AVR_DIFF32,
 
+/* This is a 7 bit reloc for the AVR that stores SRAM address for 16bit
+lds and sts instructions supported only tiny core.  */
+  BFD_RELOC_AVR_LDS_STS_16,
+
 /* Renesas RL78 Relocations.  */
   BFD_RELOC_RL78_NEG8,
   BFD_RELOC_RL78_NEG16,
diff --git a/bfd/cpu-avr.c b/bfd/cpu-avr.c
index 060c9a26d9..d3da25aff1 100644
--- a/bfd/cpu-avr.c
+++ b/bfd/cpu-avr.c
@@ -67,7 +67,6 @@ compatible (const bfd_arch_info_type * a,
     return a;
   if (a->mach == bfd_mach_avr31 && b->mach == bfd_mach_avr3)
     return b;
-
   if (a->mach == bfd_mach_avr3 && b->mach == bfd_mach_avr35)
     return a;
   if (a->mach == bfd_mach_avr35 && b->mach == bfd_mach_avr3)
@@ -78,7 +77,6 @@ compatible (const bfd_arch_info_type * a,
   if (a->mach == bfd_mach_avr51 && b->mach == bfd_mach_avr5)
     return b;
 
-
   return NULL;
 }
 
@@ -135,25 +133,28 @@ static const bfd_arch_info_type arch_info_struct[] =
   /* 3-Byte PC.  */
   N (22, bfd_mach_avr6, "avr:6", FALSE, & arch_info_struct[10]),
 
-  /* Xmega 1 */
-  N (24, bfd_mach_avrxmega1, "avr:101", FALSE, & arch_info_struct[11]),
-
-  /* Xmega 2 */
-  N (24, bfd_mach_avrxmega2, "avr:102", FALSE, & arch_info_struct[12]),
-
-  /* Xmega 3 */
-  N (24, bfd_mach_avrxmega3, "avr:103", FALSE, & arch_info_struct[13]),
-
-  /* Xmega 4 */
-  N (24, bfd_mach_avrxmega4, "avr:104", FALSE, & arch_info_struct[14]),
-
-  /* Xmega 5 */
-  N (24, bfd_mach_avrxmega5, "avr:105", FALSE, & arch_info_struct[15]),
-
-  /* Xmega 6 */
-  N (24, bfd_mach_avrxmega6, "avr:106", FALSE, & arch_info_struct[16]),
-
-  /* Xmega 7 */
+  /* Tiny core (AVR Tiny).  */
+  N (16, bfd_mach_avrtiny, "avr:100", FALSE, & arch_info_struct[11]),
+
+  /* Xmega 1.  */
+  N (24, bfd_mach_avrxmega1, "avr:101", FALSE, & arch_info_struct[12]),
+
+  /* Xmega 2.  */
+  N (24, bfd_mach_avrxmega2, "avr:102", FALSE, & arch_info_struct[13]),
+  
+  /* Xmega 3.  */
+  N (24, bfd_mach_avrxmega3, "avr:103", FALSE, & arch_info_struct[14]),
+  
+  /* Xmega 4.  */
+  N (24, bfd_mach_avrxmega4, "avr:104", FALSE, & arch_info_struct[15]),
+  
+  /* Xmega 5.  */
+  N (24, bfd_mach_avrxmega5, "avr:105", FALSE, & arch_info_struct[16]),
+  
+  /* Xmega 6.  */
+  N (24, bfd_mach_avrxmega6, "avr:106", FALSE, & arch_info_struct[17]),
+  
+  /* Xmega 7.  */
   N (24, bfd_mach_avrxmega7, "avr:107", FALSE, NULL)
 
 };
diff --git a/bfd/elf32-avr.c b/bfd/elf32-avr.c
index b46a44c619..9ca0c464ee 100644
--- a/bfd/elf32-avr.c
+++ b/bfd/elf32-avr.c
@@ -33,13 +33,8 @@ static bfd_boolean debug_relax = FALSE;
 static bfd_boolean debug_stubs = FALSE;
 
 static bfd_reloc_status_type
-bfd_elf_avr_diff_reloc (bfd *abfd,
-              arelent *reloc_entry,
-              asymbol *symbol,
-              void *data,
-              asection *input_section,
-              bfd *output_bfd,
-              char **error_message);
+bfd_elf_avr_diff_reloc (bfd *, arelent *, asymbol *, void *,
+			asection *, bfd *, char **);
 
 /* Hash table initialization and handling.  Code is taken from the hppa port
    and adapted to the needs of AVR.  */
@@ -566,45 +561,59 @@ static reloc_howto_type elf_avr_howto_table[] =
 	 0xffffff,		/* src_mask */
 	 0xffffff,		/* dst_mask */
 	 FALSE),		/* pcrel_offset */
-  HOWTO (R_AVR_DIFF8,      /* type */
-     0,             /* rightshift */
-     0, 			/* size (0 = byte, 1 = short, 2 = long) */
-     8, 			/* bitsize */
-     FALSE,         /* pc_relative */
-     0,             /* bitpos */
-     complain_overflow_bitfield, /* complain_on_overflow */
-     bfd_elf_avr_diff_reloc, /* special_function */
-     "R_AVR_DIFF8",     /* name */
-     FALSE,         /* partial_inplace */
-     0,             /* src_mask */
-     0xff,          /* dst_mask */
-     FALSE),        /* pcrel_offset */
-  HOWTO (R_AVR_DIFF16,     /* type */
-     0,             /* rightshift */
-     1,			/* size (0 = byte, 1 = short, 2 = long) */
-     16,			/* bitsize */
-     FALSE,         /* pc_relative */
-     0,             /* bitpos */
-     complain_overflow_bitfield, /* complain_on_overflow */
-     bfd_elf_avr_diff_reloc, /* special_function */
-     "R_AVR_DIFF16",     /* name */
-     FALSE,         /* partial_inplace */
-     0,             /* src_mask */
-     0xffff,        /* dst_mask */
-     FALSE),        /* pcrel_offset */
-  HOWTO (R_AVR_DIFF32,    /* type */
-     0,             /* rightshift */
-     2,         /* size (0 = byte, 1 = short, 2 = long) */
-     32,        /* bitsize */
-     FALSE,         /* pc_relative */
-     0,             /* bitpos */
-     complain_overflow_bitfield, /* complain_on_overflow */
-     bfd_elf_avr_diff_reloc, /* special_function */
-     "R_AVR_DIFF32",     /* name */
-     FALSE,         /* partial_inplace */
-     0,             /* src_mask */
-     0xffffffff,    /* dst_mask */ 
-     FALSE)         /* pcrel_offset */
+  HOWTO (R_AVR_DIFF8,		/* type */
+	 0,             	/* rightshift */
+	 0, 			/* size (0 = byte, 1 = short, 2 = long) */
+	 8, 			/* bitsize */
+	 FALSE,         	/* pc_relative */
+	 0,             	/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_avr_diff_reloc, /* special_function */
+	 "R_AVR_DIFF8",     	/* name */
+	 FALSE,         	/* partial_inplace */
+	 0,             	/* src_mask */
+	 0xff,          	/* dst_mask */
+	 FALSE),        	/* pcrel_offset */
+  HOWTO (R_AVR_DIFF16,  	/* type */
+	 0,             	/* rightshift */
+	 1,			/* size (0 = byte, 1 = short, 2 = long) */
+	 16,			/* bitsize */
+	 FALSE,         	/* pc_relative */
+	 0,             	/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_avr_diff_reloc,/* special_function */
+	 "R_AVR_DIFF16",     	/* name */
+	 FALSE,         	/* partial_inplace */
+	 0,             	/* src_mask */
+	 0xffff,        	/* dst_mask */
+	 FALSE),        	/* pcrel_offset */
+  HOWTO (R_AVR_DIFF32,  	/* type */
+	 0,             	/* rightshift */
+	 2,         		/* size (0 = byte, 1 = short, 2 = long) */
+	 32,        		/* bitsize */
+	 FALSE,         	/* pc_relative */
+	 0,             	/* bitpos */
+	 complain_overflow_bitfield, /* complain_on_overflow */
+	 bfd_elf_avr_diff_reloc,/* special_function */
+	 "R_AVR_DIFF32",     	/* name */
+	 FALSE,         	/* partial_inplace */
+	 0,             	/* src_mask */
+	 0xffffffff,    	/* dst_mask */
+	 FALSE),        	/* pcrel_offset */
+  /* 7 bit immediate for LDS/STS in Tiny core.  */
+  HOWTO (R_AVR_LDS_STS_16,  /* type */
+	 0,                     /* rightshift */
+	 1,                     /* size (0 = byte, 1 = short, 2 = long) */
+	 7,                     /* bitsize */
+	 FALSE,                 /* pc_relative */
+	 0,                     /* bitpos */
+	 complain_overflow_dont,/* complain_on_overflow */
+	 bfd_elf_generic_reloc, /* special_function */
+	 "R_AVR_LDS_STS_16",    /* name */
+	 FALSE,                 /* partial_inplace */
+	 0xffff,                /* src_mask */
+	 0xffff,                /* dst_mask */
+	 FALSE)                 /* pcrel_offset */
 };
 
 /* Map BFD reloc types to AVR ELF reloc types.  */
@@ -649,7 +658,8 @@ static const struct avr_reloc_map avr_reloc_map[] =
   { BFD_RELOC_AVR_8_HLO,            R_AVR_8_HLO8 },
   { BFD_RELOC_AVR_DIFF8,            R_AVR_DIFF8 },
   { BFD_RELOC_AVR_DIFF16,           R_AVR_DIFF16 },
-  { BFD_RELOC_AVR_DIFF32,           R_AVR_DIFF32 }
+  { BFD_RELOC_AVR_DIFF32,           R_AVR_DIFF32 },
+  { BFD_RELOC_AVR_LDS_STS_16,       R_AVR_LDS_STS_16}
 };
 
 /* Meant to be filled one day with the wrap around address for the
@@ -1227,6 +1237,17 @@ avr_final_link_relocate (reloc_howto_type *                 howto,
       r = bfd_reloc_ok;
       break;
 
+   case R_AVR_LDS_STS_16:
+      contents += rel->r_offset;
+      srel = (bfd_signed_vma) relocation + rel->r_addend;
+      if ((srel & 0xFFFF) < 0x40 || (srel & 0xFFFF) > 0xbf)
+        return bfd_reloc_outofrange;
+      srel = srel & 0x7f;
+      x = bfd_get_16 (input_bfd, contents);
+      x |= (srel & 0x0f) | ((srel & 0x30) << 5) | ((srel & 0x40) << 2);
+      bfd_put_16 (input_bfd, x, contents);
+      break;
+
     default:
       r = _bfd_final_link_relocate (howto, input_bfd, input_section,
 				    contents, rel->r_offset,
@@ -1439,6 +1460,10 @@ bfd_elf_avr_final_write_processing (bfd *abfd,
     case bfd_mach_avrxmega7:
       val = E_AVR_MACH_XMEGA7;
       break;
+
+   case bfd_mach_avrtiny:
+      val = E_AVR_MACH_AVRTINY;
+      break;
     }
 
   elf_elfheader (abfd)->e_machine = EM_AVR;
@@ -1529,6 +1554,10 @@ elf32_avr_object_p (bfd *abfd)
 	case E_AVR_MACH_XMEGA7:
 	  e_set = bfd_mach_avrxmega7;
 	  break;
+
+    case E_AVR_MACH_AVRTINY:
+      e_set = bfd_mach_avrtiny;
+      break;
 	}
     }
   return bfd_default_set_arch_mach (abfd, bfd_arch_avr,
@@ -1545,9 +1574,9 @@ elf32_avr_is_diff_reloc (Elf_Internal_Rela *irel)
           || ELF32_R_TYPE (irel->r_info) == R_AVR_DIFF32);
 }
 
-/* Reduce the diff value written in the section by count if the shrinked 
-   insn address happens to fall between the two symbols for which this 
-   diff reloc was emitted. */
+/* Reduce the diff value written in the section by count if the shrinked
+   insn address happens to fall between the two symbols for which this
+   diff reloc was emitted.  */
 
 static void
 elf32_avr_adjust_diff_reloc_value (bfd *abfd,
@@ -1602,11 +1631,11 @@ elf32_avr_adjust_diff_reloc_value (bfd *abfd,
   bfd_vma end_address = symval + irel->r_addend;
   bfd_vma start_address = end_address - x;
 
-  /* Reduce the diff value by count bytes and write it back into section 
+  /* Reduce the diff value by count bytes and write it back into section
     contents. */
 
-  if (shrinked_insn_address >= start_address && 
-      shrinked_insn_address <= end_address)
+  if (shrinked_insn_address >= start_address
+      && shrinked_insn_address <= end_address)
   {
     switch (ELF32_R_TYPE (irel->r_info))
     {
@@ -1949,8 +1978,8 @@ elf32_avr_relax_section (bfd *abfd,
       bfd_vma symval;
 
       if (   ELF32_R_TYPE (irel->r_info) != R_AVR_13_PCREL
-	     && ELF32_R_TYPE (irel->r_info) != R_AVR_7_PCREL
-	     && ELF32_R_TYPE (irel->r_info) != R_AVR_CALL)
+	  && ELF32_R_TYPE (irel->r_info) != R_AVR_7_PCREL
+	  && ELF32_R_TYPE (irel->r_info) != R_AVR_CALL)
         continue;
 
       /* Get the section contents if we haven't done so already.  */
@@ -2377,7 +2406,7 @@ elf32_avr_relax_section (bfd *abfd,
 			  {
 			    Elf_Internal_Rela *rel;
 			    Elf_Internal_Rela *relend;
-              
+
 			    rel = elf_section_data (isec)->relocs;
 			    if (rel == NULL)
 			      rel = _bfd_elf_link_read_relocs (abfd, isec, NULL, NULL, TRUE);
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 3bb37260c7..9452d1207c 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -2041,6 +2041,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
   "BFD_RELOC_AVR_DIFF8",
   "BFD_RELOC_AVR_DIFF16",
   "BFD_RELOC_AVR_DIFF32",
+  "BFD_RELOC_AVR_LDS_STS_16",
   "BFD_RELOC_RL78_NEG8",
   "BFD_RELOC_RL78_NEG16",
   "BFD_RELOC_RL78_NEG24",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 7f46c587e2..9a7796673d 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -4790,6 +4790,11 @@ ENUMDOC
   second symbol so the linker can determine whether to adjust the field
   value.
 ENUM
+  BFD_RELOC_AVR_LDS_STS_16
+ENUMDOC
+  This is a 7 bit reloc for the AVR that stores SRAM address for 16bit
+  lds and sts instructions supported only tiny core.
+ENUM
   BFD_RELOC_RL78_NEG8
 ENUMX
   BFD_RELOC_RL78_NEG16
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 67d19b58e3..e65aa83106 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,19 @@
+2014-07-01  Barney Stratford   <barney_stratford@fastmail.fm>
+            Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
+            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+            Soundararajan  <Sounderarajan.D@atmel.com>
+
+	* config/tc-avr.c (mcu_types): Add avrtiny arch.
+	Add avrtiny arch devices attiny4, attiny5, attiny9, attiny10, attiny20
+	and attiny40.
+	(md_show_usage): Add avrtiny arch in usage message.
+	(avr_operand): validate and issue error for invalid register for avrtiny.
+	add new reloc exp for 16 bit lds/sts instruction.
+	(md_apply_fix): check 16 bit lds/sts operand for out of range and encode.
+	(md_assemble): check ISA for arch and issue diagnostic.
+	* NEWS: Mention new support.
+	* doc/c-avr.texi: Document support for avrtiny architecture.
+
 2014-06-27  Alan Modra  <amodra@gmail.com>
 
 	* config/obj-macho.c (obj_mach_o_set_symbol_qualifier): Don't set
diff --git a/gas/NEWS b/gas/NEWS
index debf37f89c..ee4ea945ed 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,5 +1,7 @@
 -*- text -*-
 
+* Add support for the AVR Tiny microcontrollers.
+
 * Replace support for openrisc and or32 with support for or1k.
 
 * Enhanced the ARM port to accept the assembler output from the CodeComposer
diff --git a/gas/config/tc-avr.c b/gas/config/tc-avr.c
index e4bc59c8bc..9ed7de8a54 100644
--- a/gas/config/tc-avr.c
+++ b/gas/config/tc-avr.c
@@ -89,6 +89,7 @@ static struct mcu_type_s mcu_types[] =
   {"avrxmega5",  AVR_ISA_XMEGA,   bfd_mach_avrxmega5},
   {"avrxmega6",  AVR_ISA_XMEGA,   bfd_mach_avrxmega6},
   {"avrxmega7",  AVR_ISA_XMEGA,   bfd_mach_avrxmega7},
+  {"avrtiny",    AVR_ISA_AVRTINY, bfd_mach_avrtiny},
   {"at90s1200",  AVR_ISA_1200,    bfd_mach_avr1},
   {"attiny11",   AVR_ISA_AVR1,    bfd_mach_avr1},
   {"attiny12",   AVR_ISA_AVR1,    bfd_mach_avr1},
@@ -323,6 +324,12 @@ static struct mcu_type_s mcu_types[] =
   {"atxmega128a1", AVR_ISA_XMEGA, bfd_mach_avrxmega7},
   {"atxmega128a1u", AVR_ISA_XMEGAU, bfd_mach_avrxmega7},
   {"atxmega128a4u", AVR_ISA_XMEGAU, bfd_mach_avrxmega7},
+  {"attiny4",      AVR_ISA_AVRTINY, bfd_mach_avrtiny},
+  {"attiny5",      AVR_ISA_AVRTINY, bfd_mach_avrtiny},
+  {"attiny9",      AVR_ISA_AVRTINY, bfd_mach_avrtiny},
+  {"attiny10",     AVR_ISA_AVRTINY, bfd_mach_avrtiny},
+  {"attiny20",     AVR_ISA_AVRTINY, bfd_mach_avrtiny},
+  {"attiny40",     AVR_ISA_AVRTINY, bfd_mach_avrtiny},
   {NULL, 0, 0}
 };
 
@@ -513,7 +520,7 @@ md_show_usage (FILE *stream)
 	"                   avrxmega5 - XMEGA, > 64K, <= 128K FLASH, > 64K RAM\n"
 	"                   avrxmega6 - XMEGA, > 128K, <= 256K FLASH, <= 64K RAM\n"
 	"                   avrxmega7 - XMEGA, > 128K, <= 256K FLASH, > 64K RAM\n"
-	"                   or immediate microcontroller name.\n"));
+	"                   avrtiny   - AVR Tiny core with 16 gp registers\n"));
   fprintf (stream,
       _("  -mall-opcodes    accept all AVR opcodes, even if not supported by MCU\n"
 	"  -mno-skip-bug    disable warnings for skipping two-word instructions\n"
@@ -855,29 +862,41 @@ avr_operand (struct avr_opcodes_s *opcode,
     case 'a':
     case 'v':
       if (*str == 'r' || *str == 'R')
-	{
-	  char r_name[20];
+        {
+          char r_name[20];
 
-	  str = extract_word (str, r_name, sizeof (r_name));
-	  op_mask = 0xff;
-	  if (ISDIGIT (r_name[1]))
-	    {
-	      if (r_name[2] == '\0')
-		op_mask = r_name[1] - '0';
-	      else if (r_name[1] != '0'
-		       && ISDIGIT (r_name[2])
-		       && r_name[3] == '\0')
-		op_mask = (r_name[1] - '0') * 10 + r_name[2] - '0';
-	    }
-	}
+          str = extract_word (str, r_name, sizeof (r_name));
+          op_mask = 0xff;
+          if (ISDIGIT (r_name[1]))
+            {
+              if (r_name[2] == '\0')
+                op_mask = r_name[1] - '0';
+              else if (r_name[1] != '0'
+                       && ISDIGIT (r_name[2])
+                       && r_name[3] == '\0')
+                op_mask = (r_name[1] - '0') * 10 + r_name[2] - '0';
+            }
+        }
       else
-	{
-	  op_mask = avr_get_constant (str, 31);
-	  str = input_line_pointer;
-	}
+        {
+          op_mask = avr_get_constant (str, 31);
+          str = input_line_pointer;
+        }
+
+      if (avr_mcu->mach == bfd_mach_avrtiny)
+        {
+          if (op_mask < 16 || op_mask > 31)
+            {
+              as_bad (_("register name or number from 16 to 31 required"));
+              break;
+            }
+        }
+      else if (op_mask > 31)
+        {
+          as_bad (_("register name or number from 0 to 31 required"));
+          break;
+        }
 
-      if (op_mask <= 31)
-	{
 	  switch (*op)
 	    {
 	    case 'a':
@@ -905,9 +924,6 @@ avr_operand (struct avr_opcodes_s *opcode,
 	      break;
 	    }
 	  break;
-	}
-      as_bad (_("register name or number from 0 to 31 required"));
-      break;
 
     case 'e':
       {
@@ -1014,6 +1030,12 @@ avr_operand (struct avr_opcodes_s *opcode,
 		   &op_expr, FALSE, BFD_RELOC_16);
       break;
 
+    case 'j':
+      str = parse_exp (str, &op_expr);
+      fix_new_exp (frag_now, where, opcode->insn_size * 2,
+		   &op_expr, FALSE, BFD_RELOC_AVR_LDS_STS_16);
+      break;
+
     case 'M':
       {
 	bfd_reloc_code_real_type r_type;
@@ -1415,11 +1437,21 @@ md_apply_fix (fixS *fixP, valueT * valP, segT seg)
 	  bfd_putl16 ((bfd_vma) insn | LDI_IMMEDIATE (value), where);
 	  break;
 
+	case BFD_RELOC_AVR_LDS_STS_16:
+	  if ((value < 0x40) || (value > 0xBF))
+	    as_warn_where (fixP->fx_file, fixP->fx_line,
+			   _("operand out of range: 0x%lx"),
+			   (unsigned long)value);
+	  insn |= ((value & 0xF) | ((value & 0x30) << 5) | ((value & 0x40) << 2));
+	  bfd_putl16 ((bfd_vma) insn, where);
+	  break;
+
 	case BFD_RELOC_AVR_6:
 	  if ((value > 63) || (value < 0))
 	    as_bad_where (fixP->fx_file, fixP->fx_line,
 			  _("operand out of range: %ld"), value);
-	  bfd_putl16 ((bfd_vma) insn | ((value & 7) | ((value & (3 << 3)) << 7) | ((value & (1 << 5)) << 8)), where);
+	  bfd_putl16 ((bfd_vma) insn | ((value & 7) | ((value & (3 << 3)) << 7)
+					| ((value & (1 << 5)) << 8)), where);
 	  break;
 
 	case BFD_RELOC_AVR_6_ADIW:
@@ -1594,6 +1626,28 @@ md_assemble (char *str)
 
   opcode = (struct avr_opcodes_s *) hash_find (avr_hash, op);
 
+  if (opcode && !avr_opt.all_opcodes)
+    {
+      /* Check if the instruction's ISA bit is ON in the ISA bits of the part 
+         specified by the user.  If not look for other instructions
+	 specifications with same mnemonic who's ISA bits matches. 
+
+         This requires include/opcode/avr.h to have the instructions with
+         same mnenomic to be specified in sequence.  */
+
+      while ((opcode->isa & avr_mcu->isa) != opcode->isa)
+        {
+          opcode++;
+     
+          if (opcode->name && strcmp(op, opcode->name))
+            {
+              as_bad (_("illegal opcode %s for mcu %s"), 
+                      opcode->name, avr_mcu->name);
+              return;
+            }
+        }
+    } 
+
   if (opcode == NULL)
     {
       as_bad (_("unknown opcode `%s'"), op);
@@ -1606,9 +1660,6 @@ md_assemble (char *str)
   if (*str && *opcode->constraints == '?')
     ++opcode;
 
-  if (!avr_opt.all_opcodes && (opcode->isa & avr_mcu->isa) != opcode->isa)
-    as_bad (_("illegal opcode %s for mcu %s"), opcode->name, avr_mcu->name);
-
   dwarf2_emit_insn (0);
 
   /* We used to set input_line_pointer to the result of get_operands,
diff --git a/gas/doc/c-avr.texi b/gas/doc/c-avr.texi
index 305e64cf30..75b5d20fed 100644
--- a/gas/doc/c-avr.texi
+++ b/gas/doc/c-avr.texi
@@ -58,64 +58,71 @@ instructions (MCU types: attiny167, attiny1634, at90usb82, at90usb162,
 atmega8u2, atmega16u2, atmega32u2, ata5505).
 
 Instruction set avr4 is for the enhanced AVR core with up to 8K program
-memory space (MCU types: atmega48, atmega48a, atmega48pa, atmega48p, atmega8, 
-atmega8a, atmega88, atmega88a, atmega88p, atmega88pa, atmega8515, atmega8535, 
-atmega8hva, at90pwm1, at90pwm2, at90pwm2b, at90pwm3, at90pwm3b, at90pwm81, 
+memory space (MCU types: atmega48, atmega48a, atmega48pa, atmega48p, atmega8,
+atmega8a, atmega88, atmega88a, atmega88p, atmega88pa, atmega8515, atmega8535,
+atmega8hva, at90pwm1, at90pwm2, at90pwm2b, at90pwm3, at90pwm3b, at90pwm81,
 ata6285, ata6286).
 
 Instruction set avr5 is for the enhanced AVR core with up to 128K program
 memory space (MCU types: at90pwm161, atmega16, atmega16a, atmega161, atmega162,
-atmega163, atmega164a, atmega164p, atmega164pa, atmega165, atmega165a, 
+atmega163, atmega164a, atmega164p, atmega164pa, atmega165, atmega165a,
 atmega165p, atmega165pa, atmega168, atmega168a, atmega168p, atmega168pa,
 atmega169, atmega169a, atmega169p, atmega169pa, atmega32, atmega323, atmega324a,
 atmega324p, atmega324pa, atmega325, atmega325a, atmega32, atmega32a, atmega323,
 atmega324a, atmega324p, atmega324pa, atmega325, atmega325a, atmega325p,
-atmega325p, atmega325pa, atmega3250, atmega3250a, atmega3250p, atmega3250pa, 
-atmega328, atmega328p, atmega329, atmega329a, atmega329p, atmega329pa, 
-atmega3290a, atmega3290p, atmega3290pa, atmega406, atmega64, atmega64a, 
+atmega325p, atmega325pa, atmega3250, atmega3250a, atmega3250p, atmega3250pa,
+atmega328, atmega328p, atmega329, atmega329a, atmega329p, atmega329pa,
+atmega3290a, atmega3290p, atmega3290pa, atmega406, atmega64, atmega64a,
 atmega64rfr2, atmega644rfr2, atmega640, atmega644, atmega644a, atmega644p,
 atmega644pa, atmega645, atmega645a, atmega645p, atmega6450, atmega6450a,
 atmega6450p, atmega649, atmega649a, atmega649p, atmega6490, atmega6490a,
-atmega6490p, atmega16hva, atmega16hva2, atmega16hvb, atmega16hvbrevb, 
+atmega6490p, atmega16hva, atmega16hva2, atmega16hvb, atmega16hvbrevb,
 atmega32hvb, atmega32hvbrevb, atmega64hve, at90can32, at90can64, at90pwm161,
 at90pwm216, at90pwm316, atmega32c1, atmega64c1, atmega16m1, atmega32m1,
 atmega64m1, atmega16u4, atmega32u4, atmega32u6, at90usb646, at90usb647, at94k,
 at90scr100, ata5790, ata5795).
 
-Instruction set avr51 is for the enhanced AVR core with exactly 128K program
-memory space (MCU types: atmega128, atmega128a, atmega1280, atmega1281, 
-atmega1284, atmega1284p, atmega128rfa1, atmega128rfr2, atmega1284rfr2,
-at90can128, at90usb1286, at90usb1287, m3000).
-
-Instruction set avr6 is for the enhanced AVR core with a 3-byte PC (MCU types:
-atmega2560, atmega2561, atmega256rfr2, atmega2564rfr2).
-
-Instruction set avrxmega2 is for the XMEGA AVR core with 8K to 64K program
-memory space and less than 64K data space (MCU types: atxmega16a4, atxmega16a4u,
-atxmega16c4, atxmega16d4, atxmega16x1, atxmega32a4, atxmega32a4u, atxmega32c4, 
-atxmega32d4, atxmega16e5, atxmega8e5, atxmega32e5, atxmega32x1).
-
-Instruction set avrxmega3 is for the XMEGA AVR core with 8K to 64K program
-memory space and greater than 64K data space (MCU types: none).
-
-Instruction set avrxmega4 is for the XMEGA AVR core with up to 64K program
-memory space and less than 64K data space (MCU types: atxmega64a3, atxmega64a3u, 
-atxmega64a4u, atxmega64b1, atxmega64b3, atxmega64c3, atxmega64d3, atxmega64d4).
-
-Instruction set avrxmega5 is for the XMEGA AVR core with up to 64K program
-memory space and greater than 64K data space (MCU types: atxmega64a1,
-atxmega64a1u).
-
-Instruction set avrxmega6 is for the XMEGA AVR core with larger than 64K program
-memory space and less than 64K data space (MCU types: atxmega128a3, 
-atxmega128a3u, atxmega128c3, atxmega128d3, atxmega128d4, atxmega192a3, 
-atxmega192a3u, atxmega128b1, atxmega128b3, atxmega192c3, atxmega192d3, 
-atxmega256a3, atxmega256a3u, atxmega256a3b, atxmega256a3bu, atxmega256c3, 
-atxmega256d3, atxmega384c3, atxmega256d3).
-
-Instruction set avrxmega7 is for the XMEGA AVR core with larger than 64K program
-memory space and greater than 64K data space (MCU types: atxmega128a1,
-atxmega128a1u, atxmega128a4u).
+Instruction set avr51 is for the enhanced AVR core with exactly 128K
+program memory space (MCU types: atmega128, atmega128a, atmega1280,
+atmega1281, atmega1284, atmega1284p, atmega128rfa1, atmega128rfr2,
+atmega1284rfr2, at90can128, at90usb1286, at90usb1287, m3000).
+
+Instruction set avr6 is for the enhanced AVR core with a 3-byte PC
+(MCU types: atmega2560, atmega2561, atmega256rfr2, atmega2564rfr2).
+
+Instruction set avrxmega2 is for the XMEGA AVR core with 8K to 64K
+program memory space and less than 64K data space (MCU types:
+atxmega16a4, atxmega16a4u, atxmega16c4, atxmega16d4, atxmega16x1,
+atxmega32a4, atxmega32a4u, atxmega32c4, atxmega32d4, atxmega16e5,
+atxmega8e5, atxmega32e5, atxmega32x1).
+
+Instruction set avrxmega3 is for the XMEGA AVR core with 8K to 64K
+program memory space and greater than 64K data space (MCU types:
+none).
+
+Instruction set avrxmega4 is for the XMEGA AVR core with up to 64K
+program memory space and less than 64K data space (MCU types:
+atxmega64a3, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3,
+atxmega64c3, atxmega64d3, atxmega64d4).
+
+Instruction set avrxmega5 is for the XMEGA AVR core with up to 64K
+program memory space and greater than 64K data space (MCU types:
+atxmega64a1, atxmega64a1u).
+
+Instruction set avrxmega6 is for the XMEGA AVR core with larger than
+64K program memory space and less than 64K data space (MCU types:
+atxmega128a3, atxmega128a3u, atxmega128c3, atxmega128d3, atxmega128d4,
+atxmega192a3, atxmega192a3u, atxmega128b1, atxmega128b3, atxmega192c3,
+atxmega192d3, atxmega256a3, atxmega256a3u, atxmega256a3b,
+atxmega256a3bu, atxmega256c3, atxmega256d3, atxmega384c3,
+atxmega256d3).
+
+Instruction set avrxmega7 is for the XMEGA AVR core with larger than
+64K program memory space and greater than 64K data space (MCU types:
+atxmega128a1, atxmega128a1u, atxmega128a4u).
+
+Instruction set avrtiny is for the ATtiny4/5/9/10/20/40
+microcontrollers.
 
 @cindex @code{-mall-opcodes} command line option, AVR
 @item -mall-opcodes
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 90b71e200d..2db10e1f56 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,17 @@
+2014-07-01  Barney Stratford   <barney_stratford@fastmail.fm>
+            Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
+            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+            Soundararajan  <Sounderarajan.D@atmel.com>
+
+	* avr.h (E_AVR_MACH_AVRTINY): Define avrtiny machine number.
+	(R_AVR_LDS_STS_16): Define 16 bit lds/sts reloc number.
+	* include/opcode/avr.h (AVR_ISA_TINY): Define avrtiny specific ISA.
+	(AVR_ISA_2xxxa): Define ISA without LPM.
+	(AVR_ISA_AVRTINY): Define avrtiny arch ISA.
+	Add doc for contraint used in 16 bit lds/sts.
+	Adjust ISA group for icall, ijmp, pop and push.
+	Add 16 bit lds/sts encoding and update 32 bit lds/sts constraints.
+
 2014-04-22  Christian Svensson  <blue@cmd.nu>
 
 	* common.h: Remove openrisc and or32 support.  Add support for or1k.
diff --git a/include/elf/avr.h b/include/elf/avr.h
index 06a7f138cd..0f3ed0333e 100644
--- a/include/elf/avr.h
+++ b/include/elf/avr.h
@@ -40,13 +40,14 @@
 #define E_AVR_MACH_AVR5     5
 #define E_AVR_MACH_AVR51   51
 #define E_AVR_MACH_AVR6     6 
-#define E_AVR_MACH_XMEGA1 101
-#define E_AVR_MACH_XMEGA2 102
-#define E_AVR_MACH_XMEGA3 103
-#define E_AVR_MACH_XMEGA4 104
-#define E_AVR_MACH_XMEGA5 105
-#define E_AVR_MACH_XMEGA6 106
-#define E_AVR_MACH_XMEGA7 107
+#define E_AVR_MACH_AVRTINY 100
+#define E_AVR_MACH_XMEGA1  101
+#define E_AVR_MACH_XMEGA2  102
+#define E_AVR_MACH_XMEGA3  103
+#define E_AVR_MACH_XMEGA4  104
+#define E_AVR_MACH_XMEGA5  105
+#define E_AVR_MACH_XMEGA6  106
+#define E_AVR_MACH_XMEGA7  107
 
 /* Relocations.  */
 START_RELOC_NUMBERS (elf_avr_reloc_type)
@@ -83,6 +84,7 @@ START_RELOC_NUMBERS (elf_avr_reloc_type)
      RELOC_NUMBER (R_AVR_DIFF8,                30)
      RELOC_NUMBER (R_AVR_DIFF16,               31)
      RELOC_NUMBER (R_AVR_DIFF32,               32)
+     RELOC_NUMBER (R_AVR_LDS_STS_16,           33)
 END_RELOC_NUMBERS (R_AVR_max)
 
 #endif /* _ELF_AVR_H */
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 754933b58e..3ddc36c0c3 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,15 @@
+2014-07-01  Barney Stratford   <barney_stratford@fastmail.fm>
+            Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
+            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+            Soundararajan  <Sounderarajan.D@atmel.com>
+
+	* avr.h (AVR_ISA_TINY): Define avrtiny specific ISA.
+	(AVR_ISA_2xxxa): Define ISA without LPM.
+	(AVR_ISA_AVRTINY): Define avrtiny arch ISA.
+	Add doc for contraint used in 16 bit lds/sts.
+	Adjust ISA group for icall, ijmp, pop and push.
+	Add 16 bit lds/sts encoding and update 32 bit lds/sts constraints.
+
 2014-05-19  Nick Clifton  <nickc@redhat.com>
 
 	* msp430.h (struct msp430_operand_s): Add vshift field.
diff --git a/include/opcode/avr.h b/include/opcode/avr.h
index e33f46d309..56838486fc 100644
--- a/include/opcode/avr.h
+++ b/include/opcode/avr.h
@@ -22,6 +22,7 @@
 #define AVR_ISA_LPM   0x0002 /* device has LPM */
 #define AVR_ISA_LPMX  0x0004 /* device has LPM Rd,Z[+] */
 #define AVR_ISA_SRAM  0x0008 /* device has SRAM (LD, ST, PUSH, POP, ...) */
+#define AVR_ISA_TINY  0x0010 /* device has Tiny core specific encodings */
 #define AVR_ISA_MEGA  0x0020 /* device has >8K program memory (JMP and CALL
 				supported, no 8K wrap on RJMP and RCALL) */
 #define AVR_ISA_MUL   0x0040 /* device has new core (MUL, FMUL, ...) */
@@ -37,6 +38,7 @@
 
 #define AVR_ISA_TINY1 (AVR_ISA_1200 | AVR_ISA_LPM)
 #define AVR_ISA_2xxx  (AVR_ISA_TINY1 | AVR_ISA_SRAM)
+#define AVR_ISA_2xxxa (AVR_ISA_1200 | AVR_ISA_SRAM)
 /* For the attiny26 which is missing LPM Rd,Z+.  */
 #define AVR_ISA_2xxe  (AVR_ISA_2xxx | AVR_ISA_LPMX)
 #define AVR_ISA_RF401 (AVR_ISA_2xxx | AVR_ISA_MOVW | AVR_ISA_LPMX)
@@ -72,6 +74,9 @@
                         AVR_ISA_ELPM | AVR_ISA_ELPMX | AVR_ISA_SPM | \
                         AVR_ISA_BRK | AVR_ISA_EIND | AVR_ISA_MOVW)
 
+#define AVR_ISA_AVRTINY (AVR_ISA_1200 | AVR_ISA_BRK | AVR_ISA_SRAM | \
+                         AVR_ISA_TINY)
+
 #define REGISTER_P(x) ((x) == 'r'		\
 		       || (x) == 'd'		\
 		       || (x) == 'w'		\
@@ -94,7 +99,7 @@
    `ld r,b' or `st b,r' respectively - next opcode entry)?  */
 #define AVR_DISP0_P(x) (((x) & 0xFC07) == 0x8000)
 
-/* constraint letters
+/* Constraint letters:
    r - any register
    d - `ldi' register (r16-r31)
    v - `movw' even register (r0, r2, ..., r28, r30)
@@ -110,6 +115,7 @@
    p - Port address value from 0 to 31. (cbi, sbi, sbic, sbis)
    K - immediate value from 0 to 63 (used in `adiw', `sbiw')
    i - immediate value
+   j - 7 bit immediate value from 0x40 to 0xBF (for 16-bit 'lds'/'sts')
    l - signed pc relative offset from -64 to 63
    L - signed pc relative offset from -2048 to 2047
    h - absolute code address (call, jmp)
@@ -156,12 +162,12 @@ AVR_INSN (set,  "",    "1001010001101000", 1, AVR_ISA_1200, 0x9468)
 AVR_INSN (sev,  "",    "1001010000111000", 1, AVR_ISA_1200, 0x9438)
 AVR_INSN (sez,  "",    "1001010000011000", 1, AVR_ISA_1200, 0x9418)
 
-   /* Same as {cl,se}[chinstvz] above.  */
+/* Same as {cl,se}[chinstvz] above.  */
 AVR_INSN (bclr, "S",   "100101001SSS1000", 1, AVR_ISA_1200, 0x9488)
 AVR_INSN (bset, "S",   "100101000SSS1000", 1, AVR_ISA_1200, 0x9408)
 
-AVR_INSN (icall,"",    "1001010100001001", 1, AVR_ISA_2xxx, 0x9509)
-AVR_INSN (ijmp, "",    "1001010000001001", 1, AVR_ISA_2xxx, 0x9409)
+AVR_INSN (icall,"",    "1001010100001001", 1, AVR_ISA_2xxxa,0x9509)
+AVR_INSN (ijmp, "",    "1001010000001001", 1, AVR_ISA_2xxxa,0x9409)
 
 AVR_INSN (lpm,  "?",   "1001010111001000", 1, AVR_ISA_TINY1,0x95c8)
 AVR_INSN (lpm,  "r,z", "1001000ddddd010+", 1, AVR_ISA_LPMX, 0x9004)
@@ -190,7 +196,7 @@ AVR_INSN (or,   "r,r", "001010rdddddrrrr", 1, AVR_ISA_1200, 0x2800)
 AVR_INSN (sbc,  "r,r", "000010rdddddrrrr", 1, AVR_ISA_1200, 0x0800)
 AVR_INSN (sub,  "r,r", "000110rdddddrrrr", 1, AVR_ISA_1200, 0x1800)
 
-   /* Shorthand for {eor,add,adc,and} r,r above.  */
+/* Shorthand for {eor,add,adc,and} r,r above.  */
 AVR_INSN (clr,  "r=r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400)
 AVR_INSN (lsl,  "r=r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00)
 AVR_INSN (rol,  "r=r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00)
@@ -245,7 +251,7 @@ AVR_INSN (brts, "l",   "111100lllllll110", 1, AVR_ISA_1200, 0xf006)
 AVR_INSN (brvc, "l",   "111101lllllll011", 1, AVR_ISA_1200, 0xf403)
 AVR_INSN (brvs, "l",   "111100lllllll011", 1, AVR_ISA_1200, 0xf003)
 
-   /* Same as br?? above.  */
+/* Same as br?? above.  */
 AVR_INSN (brbc, "s,l", "111101lllllllsss", 1, AVR_ISA_1200, 0xf400)
 AVR_INSN (brbs, "s,l", "111100lllllllsss", 1, AVR_ISA_1200, 0xf000)
 
@@ -261,18 +267,18 @@ AVR_INSN (dec,  "r",   "1001010rrrrr1010", 1, AVR_ISA_1200, 0x940a)
 AVR_INSN (inc,  "r",   "1001010rrrrr0011", 1, AVR_ISA_1200, 0x9403)
 AVR_INSN (lsr,  "r",   "1001010rrrrr0110", 1, AVR_ISA_1200, 0x9406)
 AVR_INSN (neg,  "r",   "1001010rrrrr0001", 1, AVR_ISA_1200, 0x9401)
-AVR_INSN (pop,  "r",   "1001000rrrrr1111", 1, AVR_ISA_2xxx, 0x900f)
-AVR_INSN (push, "r",   "1001001rrrrr1111", 1, AVR_ISA_2xxx, 0x920f)
+AVR_INSN (pop,  "r",   "1001000rrrrr1111", 1, AVR_ISA_2xxxa,0x900f)
+AVR_INSN (push, "r",   "1001001rrrrr1111", 1, AVR_ISA_2xxxa,0x920f)
 AVR_INSN (ror,  "r",   "1001010rrrrr0111", 1, AVR_ISA_1200, 0x9407)
 AVR_INSN (swap, "r",   "1001010rrrrr0010", 1, AVR_ISA_1200, 0x9402)
 
-   /* Atomic memory operations for XMEGA.  List before `sts'.  */
+/* Atomic memory operations for XMEGA.  List before `sts'.  */
 AVR_INSN (xch,  "z,r",   "1001001rrrrr0100", 1, AVR_ISA_RMW, 0x9204)
 AVR_INSN (las,  "z,r",   "1001001rrrrr0101", 1, AVR_ISA_RMW, 0x9205)
 AVR_INSN (lac,  "z,r",   "1001001rrrrr0110", 1, AVR_ISA_RMW, 0x9206)
 AVR_INSN (lat,  "z,r",   "1001001rrrrr0111", 1, AVR_ISA_RMW, 0x9207)
 
-   /* Known to be decoded as `nop' by the old core.  */
+/* Known to be decoded as `nop' by the old core.  */
 AVR_INSN (movw, "v,v", "00000001ddddrrrr", 1, AVR_ISA_MOVW, 0x0100)
 AVR_INSN (muls, "d,d", "00000010ddddrrrr", 1, AVR_ISA_MUL,  0x0200)
 AVR_INSN (mulsu,"a,a", "000000110ddd0rrr", 1, AVR_ISA_MUL,  0x0300)
@@ -280,21 +286,23 @@ AVR_INSN (fmul, "a,a", "000000110ddd1rrr", 1, AVR_ISA_MUL,  0x0308)
 AVR_INSN (fmuls,"a,a", "000000111ddd0rrr", 1, AVR_ISA_MUL,  0x0380)
 AVR_INSN (fmulsu,"a,a","000000111ddd1rrr", 1, AVR_ISA_MUL,  0x0388)
 
-AVR_INSN (sts,  "i,r", "1001001ddddd0000", 2, AVR_ISA_2xxx, 0x9200)
-AVR_INSN (lds,  "r,i", "1001000ddddd0000", 2, AVR_ISA_2xxx, 0x9000)
+AVR_INSN (sts, "j,d", "10101kkkddddkkkk", 1, AVR_ISA_TINY, 0xA800)
+AVR_INSN (sts, "i,r", "1001001ddddd0000", 2, AVR_ISA_2xxx, 0x9200)
+AVR_INSN (lds, "d,j", "10100kkkddddkkkk", 1, AVR_ISA_TINY, 0xA000)
+AVR_INSN (lds, "r,i", "1001000ddddd0000", 2, AVR_ISA_2xxx, 0x9000)
 
-   /* Special case for b+0, `e' must be next entry after `b',
-      b={Y=1,Z=0}, ee={X=11,Y=10,Z=00}, !=1 if -e or e+ or X.  */
+/* Special case for b+0, `e' must be next entry after `b',
+   b={Y=1,Z=0}, ee={X=11,Y=10,Z=00}, !=1 if -e or e+ or X.  */
 AVR_INSN (ldd,  "r,b", "10o0oo0dddddbooo", 1, AVR_ISA_2xxx, 0x8000)
 AVR_INSN (ld,   "r,e", "100!000dddddee-+", 1, AVR_ISA_1200, 0x8000)
 AVR_INSN (std,  "b,r", "10o0oo1rrrrrbooo", 1, AVR_ISA_2xxx, 0x8200)
 AVR_INSN (st,   "e,r", "100!001rrrrree-+", 1, AVR_ISA_1200, 0x8200)
 
-   /* These are for devices that don't exist yet
-      (>128K program memory, PC = EIND:Z).  */
+/* These are for devices that don't exist yet
+   (>128K program memory, PC = EIND:Z).  */
 AVR_INSN (eicall, "",  "1001010100011001", 1, AVR_ISA_EIND, 0x9519)
 AVR_INSN (eijmp, "",   "1001010000011001", 1, AVR_ISA_EIND, 0x9419)
 
-/* DES instruction for encryption and decryption */
+/* DES instruction for encryption and decryption.  */
 AVR_INSN (des,  "E",   "10010100EEEE1011", 1, AVR_ISA_DES,  0x940B)
 
diff --git a/ld/ChangeLog b/ld/ChangeLog
index a903fc0596..70060a1b9f 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,17 @@
+2014-07-01  Barney Stratford  <barney_stratford@fastmail.fm>
+            Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
+            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+            Soundararajan  <Sounderarajan.D@atmel.com>
+
+	* Makefile.am (ALL_EMULATION_SOURCES): Add avrtiny emulation source.
+	(eavrtiny.c): Add rules for avrtiny emulation source.
+	* Makefile.in: Regenerate.
+	* configure.tgt: Add avrtiny to avr target emulations.
+	* scripttempl/avrtiny.sc: New file.  Linker script template for
+	avrtiny arch.
+	* emulparams/avrtiny.sh: New file.  Emulation parameters for
+	avrtiny arch.
+
 2014-06-30  Ulrich Drepper  <drepper@gmail.com>
 
 	* lexsup.c (parse_args): Check whether provided SONAME is empty
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 24560a0e01..2bb2cacf8e 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -193,6 +193,7 @@ ALL_EMULATION_SOURCES = \
 	eavrxmega5.c \
 	eavrxmega6.c \
 	eavrxmega7.c \
+	eavrtiny.c   \
 	ecoff_i860.c \
 	ecoff_sparc.c \
 	ecrisaout.c \
@@ -848,6 +849,10 @@ eavrxmega7.c: $(srcdir)/emulparams/avrxmega7.sh \
   $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avr.sc \
   ${GEN_DEPENDS}
 
+eavrtiny.c: $(srcdir)/emulparams/avrtiny.sh \
+  $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avrtiny.sc \
+  ${GEN_DEPENDS}
+
 ecoff_i860.c: $(srcdir)/emulparams/coff_i860.sh \
   $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/i860coff.sc ${GEN_DEPENDS}
 
diff --git a/ld/Makefile.in b/ld/Makefile.in
index 377fbd880a..dc4b61ea06 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -500,6 +500,7 @@ ALL_EMULATION_SOURCES = \
 	eavrxmega5.c \
 	eavrxmega6.c \
 	eavrxmega7.c \
+	eavrtiny.c   \
 	ecoff_i860.c \
 	ecoff_sparc.c \
 	ecrisaout.c \
@@ -1087,6 +1088,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavr5.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavr51.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavr6.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrtiny.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrxmega1.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrxmega2.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrxmega3.Po@am__quote@
@@ -2287,6 +2289,10 @@ eavrxmega7.c: $(srcdir)/emulparams/avrxmega7.sh \
   $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avr.sc \
   ${GEN_DEPENDS}
 
+eavrtiny.c: $(srcdir)/emulparams/avrtiny.sh \
+  $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avrtiny.sc \
+  ${GEN_DEPENDS}
+
 ecoff_i860.c: $(srcdir)/emulparams/coff_i860.sh \
   $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/i860coff.sc ${GEN_DEPENDS}
 
diff --git a/ld/configure.tgt b/ld/configure.tgt
index a230207c4c..e74e9be079 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -140,7 +140,7 @@ arm*-*-uclinux*)	targ_emul=armelf_linux
 arm-*-vxworks)		targ_emul=armelf_vxworks ;;
 arm*-*-conix*)		targ_emul=armelf ;;
 avr-*-*)		targ_emul=avr2
-			targ_extra_emuls="avr1 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6 avrxmega1 avrxmega2 avrxmega3 avrxmega4 avrxmega5 avrxmega6 avrxmega7"
+			targ_extra_emuls="avr1 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6 avrxmega1 avrxmega2 avrxmega3 avrxmega4 avrxmega5 avrxmega6 avrxmega7 avrtiny"
 			;;
 bfin-*-elf)		targ_emul=elf32bfin;
 			targ_extra_emuls="elf32bfinfd"
diff --git a/ld/emulparams/avrtiny.sh b/ld/emulparams/avrtiny.sh
new file mode 100644
index 0000000000..b4ed14bb25
--- /dev/null
+++ b/ld/emulparams/avrtiny.sh
@@ -0,0 +1,13 @@
+ARCH=avr:100
+MACHINE=
+SCRIPT_NAME=avrtiny
+OUTPUT_FORMAT="elf32-avr"
+MAXPAGESIZE=1
+EMBEDDED=yes
+TEMPLATE_NAME=elf32
+
+TEXT_ORIGIN=0x0
+TEXT_LENGTH=4K
+DATA_ORIGIN=0x0800040
+DATA_LENGTH=0x100
+EXTRA_EM_FILE=avrelf
diff --git a/ld/scripttempl/avrtiny.sc b/ld/scripttempl/avrtiny.sc
new file mode 100644
index 0000000000..b3a49d1a3e
--- /dev/null
+++ b/ld/scripttempl/avrtiny.sc
@@ -0,0 +1,250 @@
+cat <<EOF
+OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
+OUTPUT_ARCH(${ARCH})
+
+MEMORY
+{
+  text   (rx)   : ORIGIN = $TEXT_ORIGIN, LENGTH = $TEXT_LENGTH
+  data   (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH
+
+  /* Provide offsets for config, lock and signature to match
+     production file format. Ignore offsets in datasheet.  */
+
+  config    (rw!x) : ORIGIN = 0x820000, LENGTH = 2
+  lock      (rw!x) : ORIGIN = 0x830000, LENGTH = 2
+  signature (rw!x) : ORIGIN = 0x840000, LENGTH = 4
+}
+
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  ${TEXT_DYNAMIC+${DYNAMIC}}
+  .hash        ${RELOCATING-0} : { *(.hash)		}
+  .dynsym      ${RELOCATING-0} : { *(.dynsym)		}
+  .dynstr      ${RELOCATING-0} : { *(.dynstr)		}
+  .gnu.version ${RELOCATING-0} : { *(.gnu.version)	}
+  .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)	}
+  .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)	}
+
+  .rel.init    ${RELOCATING-0} : { *(.rel.init)	}
+  .rela.init   ${RELOCATING-0} : { *(.rela.init)	}
+  .rel.text    ${RELOCATING-0} :
+    {
+      *(.rel.text)
+      ${RELOCATING+*(.rel.text.*)}
+      ${RELOCATING+*(.rel.gnu.linkonce.t*)}
+    }
+  .rela.text   ${RELOCATING-0} :
+    {
+      *(.rela.text)
+      ${RELOCATING+*(.rela.text.*)}
+      ${RELOCATING+*(.rela.gnu.linkonce.t*)}
+    }
+  .rel.fini    ${RELOCATING-0} : { *(.rel.fini)	}
+  .rela.fini   ${RELOCATING-0} : { *(.rela.fini)	}
+  .rel.rodata  ${RELOCATING-0} :
+    {
+      *(.rel.rodata)
+      ${RELOCATING+*(.rel.rodata.*)}
+      ${RELOCATING+*(.rel.gnu.linkonce.r*)}
+    }
+  .rela.rodata ${RELOCATING-0} :
+    {
+      *(.rela.rodata)
+      ${RELOCATING+*(.rela.rodata.*)}
+      ${RELOCATING+*(.rela.gnu.linkonce.r*)}
+    }
+  .rel.data    ${RELOCATING-0} :
+    {
+      *(.rel.data)
+      ${RELOCATING+*(.rel.data.*)}
+      ${RELOCATING+*(.rel.gnu.linkonce.d*)}
+    }
+  .rela.data   ${RELOCATING-0} :
+    {
+      *(.rela.data)
+      ${RELOCATING+*(.rela.data.*)}
+      ${RELOCATING+*(.rela.gnu.linkonce.d*)}
+    }
+  .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)	}
+  .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)	}
+  .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)	}
+  .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)	}
+  .rel.got     ${RELOCATING-0} : { *(.rel.got)		}
+  .rela.got    ${RELOCATING-0} : { *(.rela.got)	}
+  .rel.bss     ${RELOCATING-0} : { *(.rel.bss)		}
+  .rela.bss    ${RELOCATING-0} : { *(.rela.bss)	}
+  .rel.plt     ${RELOCATING-0} : { *(.rel.plt)		}
+  .rela.plt    ${RELOCATING-0} : { *(.rela.plt)	}
+
+  /* Internal text space or external memory.  */
+  .text ${RELOCATING-0} : ${RELOCATING+ AT (0x0)}
+  {
+    *(.vectors)
+    KEEP(*(.vectors))
+
+    /* For data that needs to reside in the lower 64k of progmem.  */
+    *(.progmem.gcc*)
+    *(.progmem*)
+    ${RELOCATING+. = ALIGN(2);}
+
+    ${CONSTRUCTING+ __trampolines_start = . ; }
+    /* The jump trampolines for the 16-bit limited relocs will reside here.  */
+    *(.trampolines)
+    *(.trampolines*)
+    ${CONSTRUCTING+ __trampolines_end = . ; }
+
+    /* For future tablejump instruction arrays for 3 byte pc devices.
+       We don't relax jump/call instructions within these sections.  */
+    *(.jumptables) 
+    *(.jumptables*) 
+
+    /* For code that needs to reside in the lower 128k progmem.  */
+    *(.lowtext)
+    *(.lowtext*)
+
+    ${CONSTRUCTING+ __ctors_start = . ; }
+    ${CONSTRUCTING+ *(.ctors) }
+    ${CONSTRUCTING+ __ctors_end = . ; }
+    ${CONSTRUCTING+ __dtors_start = . ; }
+    ${CONSTRUCTING+ *(.dtors) }
+    ${CONSTRUCTING+ __dtors_end = . ; }
+    KEEP(SORT(*)(.ctors))
+    KEEP(SORT(*)(.dtors))
+
+    /* From this point on, we don't bother about wether the insns are
+       below or above the 16 bits boundary.  */
+    *(.init0)  /* Start here after reset.  */
+    KEEP (*(.init0))
+    *(.init1)
+    KEEP (*(.init1))
+    *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */
+    KEEP (*(.init2))
+    *(.init3)
+    KEEP (*(.init3))
+    *(.init4)  /* Initialize data and BSS.  */
+    KEEP (*(.init4))
+    *(.init5)
+    KEEP (*(.init5))
+    *(.init6)  /* C++ constructors.  */
+    KEEP (*(.init6))
+    *(.init7)
+    KEEP (*(.init7))
+    *(.init8)
+    KEEP (*(.init8))
+    *(.init9)  /* Call main().  */
+    KEEP (*(.init9))
+    *(.text)
+    ${RELOCATING+. = ALIGN(2);}
+    *(.text.*)
+    ${RELOCATING+. = ALIGN(2);}
+    *(.fini9)  /* _exit() starts here.  */
+    KEEP (*(.fini9))
+    *(.fini8)
+    KEEP (*(.fini8))
+    *(.fini7)
+    KEEP (*(.fini7))
+    *(.fini6)  /* C++ destructors.  */
+    KEEP (*(.fini6))
+    *(.fini5)
+    KEEP (*(.fini5))
+    *(.fini4)
+    KEEP (*(.fini4))
+    *(.fini3)
+    KEEP (*(.fini3))
+    *(.fini2)
+    KEEP (*(.fini2))
+    *(.fini1)
+    KEEP (*(.fini1))
+    *(.fini0)  /* Infinite loop after program termination.  */
+    KEEP (*(.fini0))
+    ${RELOCATING+ _etext = . ; }
+  } ${RELOCATING+ > text}
+
+  .data	${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text))}
+  {
+    ${RELOCATING+ PROVIDE (__data_start = .) ; }
+    *(.data)
+    KEEP (*(.data))
+    *(.data*)
+    *(.rodata)  /* We need to include .rodata here if gcc is used */
+    *(.rodata*) /* with -fdata-sections.  */
+    *(.gnu.linkonce.d*)
+    ${RELOCATING+. = ALIGN(2);}
+    ${RELOCATING+ _edata = . ; }
+    ${RELOCATING+ PROVIDE (__data_end = .) ; }
+  } ${RELOCATING+ > data}
+
+  .bss ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
+  {
+    ${RELOCATING+ PROVIDE (__bss_start = .) ; }
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+    ${RELOCATING+ PROVIDE (__bss_end = .) ; }
+  } ${RELOCATING+ > data}
+
+  ${RELOCATING+ __data_load_start = LOADADDR(.data); }
+  ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
+
+  /* Global data not cleared after reset.  */
+  .noinit ${RELOCATING-0}:
+  {
+    ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
+    *(.noinit*)
+    ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
+    ${RELOCATING+ _end = . ;  }
+    ${RELOCATING+ PROVIDE (__heap_start = .) ; }
+  } ${RELOCATING+ > data}
+
+  .lock ${RELOCATING-0}:
+  {
+    KEEP(*(.lock*))
+  } ${RELOCATING+ > lock}
+
+  .signature ${RELOCATING-0}:
+  {
+    KEEP(*(.signature*))
+  } ${RELOCATING+ > signature}
+
+  .config ${RELOCATING-0}:
+  {
+    KEEP(*(.config*))
+  } ${RELOCATING+ > config}
+
+  /* Stabs debugging sections.  */
+  .stab 0 : { *(.stab) }
+  .stabstr 0 : { *(.stabstr) }
+  .stab.excl 0 : { *(.stab.excl) }
+  .stab.exclstr 0 : { *(.stab.exclstr) }
+  .stab.index 0 : { *(.stab.index) }
+  .stab.indexstr 0 : { *(.stab.indexstr) }
+  .comment 0 : { *(.comment) }
+ 
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+}
+EOF
+
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 26eec2b034..800df07be8 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,12 @@
+2014-07-01  Barney Stratford   <barney_stratford@fastmail.fm>
+            Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
+            Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
+            Soundararajan  <Sounderarajan.D@atmel.com>
+
+	* avr-dis.c (avr_operand): Handle constraint j for 16 bit lds/sts.
+	(print_insn_avr): Do not select opcode if insn ISA is avrtiny and machine
+	is not avrtiny.
+
 2014-06-26  Philippe De Muyter <phdm@macqel.be>
 
 	* or1k-desc.h (spr_field_masks): Add U suffix to the end of long
diff --git a/opcodes/avr-dis.c b/opcodes/avr-dis.c
index 9a8ae33a06..78c9948165 100644
--- a/opcodes/avr-dis.c
+++ b/opcodes/avr-dis.c
@@ -186,6 +186,17 @@ avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constra
     case 'i':
       sprintf (buf, "0x%04X", insn2);
       break;
+
+    case 'j':
+      {
+        unsigned int val = ((insn & 0xf) | ((insn & 0x600) >> 5)
+                                         | ((insn & 0x100) >> 2));
+        if (val > 0 && !(insn & 0x100))
+          val |= 0x80;
+        sprintf (buf, "0x%02x", val);
+        sprintf (buf, "%d", val);
+      }
+      break;
       
     case 'M':
       sprintf (buf, "0x%02X", ((insn & 0xf00) >> 4) | (insn & 0xf));
@@ -329,8 +340,12 @@ print_insn_avr (bfd_vma addr, disassemble_info *info)
   for (opcode = avr_opcodes, maskptr = avr_bin_masks;
        opcode->name;
        opcode++, maskptr++)
-    if ((insn & *maskptr) == opcode->bin_opcode)
-      break;
+    {
+      if ((opcode->isa == AVR_ISA_TINY) && (info->mach != bfd_mach_avrtiny))
+        continue;
+      if ((insn & *maskptr) == opcode->bin_opcode)
+        break;
+    }
   
   /* Special case: disassemble `ldd r,b+0' as `ld r,b', and
      `std b+0,r' as `st b,r' (next entry in the table).  */