diff --git a/include/elf/arc-cpu.def b/include/elf/arc-cpu.def
index 8b039a1b426..49a35ab711a 100644
--- a/include/elf/arc-cpu.def
+++ b/include/elf/arc-cpu.def
@@ -19,35 +19,40 @@
    02110-1301, USA.  */
 
 
-ARC_CPU_TYPE_A7xx (arc700, 0x00),
-ARC_CPU_TYPE_A7xx (nps400, NPS400),
-
-ARC_CPU_TYPE_AV2EM (arcem,	0x00),
-ARC_CPU_TYPE_AV2EM (em,		0x00),
-ARC_CPU_TYPE_AV2EM (em_mini,	0x00),
-ARC_CPU_TYPE_AV2EM (em4,	CD),
-ARC_CPU_TYPE_AV2EM (em4_dmips,  CD),
-ARC_CPU_TYPE_AV2EM (em4_fpus,	CD),
-ARC_CPU_TYPE_AV2EM (em4_fpuda,  CD | DPA),
-ARC_CPU_TYPE_AV2EM (quarkse_em, CD | SPX | DPX),
-
-ARC_CPU_TYPE_AV2HS (archs,	CD),
-ARC_CPU_TYPE_AV2HS (hs,		CD),
-ARC_CPU_TYPE_AV2HS (hs34,	CD),
-ARC_CPU_TYPE_AV2HS (hs38,	CD),
-ARC_CPU_TYPE_AV2HS (hs38_linux, CD),
-ARC_CPU_TYPE_AV2HS (hs4x,	CD),
-ARC_CPU_TYPE_AV2HS (hs4xd,	CD),
-ARC_CPU_TYPE_AV2HS (hs4x_rel31, CD),
-
-ARC_CPU_TYPE_A6xx (arc600, 0x00),
-ARC_CPU_TYPE_A6xx (arc600_norm,     0x00),
-ARC_CPU_TYPE_A6xx (arc600_mul64,    0x00),
-ARC_CPU_TYPE_A6xx (arc600_mul32x16, 0x00),
-ARC_CPU_TYPE_A6xx (arc601,	    0x00),
-ARC_CPU_TYPE_A6xx (arc601_norm,     0x00),
-ARC_CPU_TYPE_A6xx (arc601_mul64,    0x00),
-ARC_CPU_TYPE_A6xx (arc601_mul32x16, 0x00),
+ARC_CPU_TYPE_A64x (hs6x, CD | DIV)
+ARC_CPU_TYPE_A32x (hs5x, CD | DIV)
+ARC_CPU_TYPE_A64x (hs68, CD | DIV)
+ARC_CPU_TYPE_A32x (hs58, CD | DIV)
+
+ARC_CPU_TYPE_A7xx (arc700, 0x00)
+ARC_CPU_TYPE_A7xx (nps400, NPS400)
+
+ARC_CPU_TYPE_AV2EM (arcem,	0x00)
+ARC_CPU_TYPE_AV2EM (em,		0x00)
+ARC_CPU_TYPE_AV2EM (em_mini,	0x00)
+ARC_CPU_TYPE_AV2EM (em4,	CD)
+ARC_CPU_TYPE_AV2EM (em4_dmips,  CD)
+ARC_CPU_TYPE_AV2EM (em4_fpus,	CD)
+ARC_CPU_TYPE_AV2EM (em4_fpuda,  CD | DPA)
+ARC_CPU_TYPE_AV2EM (quarkse_em, CD | SPX | DPX)
+
+ARC_CPU_TYPE_AV2HS (archs,	CD)
+ARC_CPU_TYPE_AV2HS (hs,		CD)
+ARC_CPU_TYPE_AV2HS (hs34,	CD)
+ARC_CPU_TYPE_AV2HS (hs38,	CD)
+ARC_CPU_TYPE_AV2HS (hs38_linux, CD)
+ARC_CPU_TYPE_AV2HS (hs4x,	CD)
+ARC_CPU_TYPE_AV2HS (hs4xd,	CD)
+ARC_CPU_TYPE_AV2HS (hs4x_rel31, CD)
+
+ARC_CPU_TYPE_A6xx (arc600, 0x00)
+ARC_CPU_TYPE_A6xx (arc600_norm,     0x00)
+ARC_CPU_TYPE_A6xx (arc600_mul64,    0x00)
+ARC_CPU_TYPE_A6xx (arc600_mul32x16, 0x00)
+ARC_CPU_TYPE_A6xx (arc601,	    0x00)
+ARC_CPU_TYPE_A6xx (arc601_norm,     0x00)
+ARC_CPU_TYPE_A6xx (arc601_mul64,    0x00)
+ARC_CPU_TYPE_A6xx (arc601_mul32x16, 0x00)
 
 ARC_CPU_TYPE_NONE
 
diff --git a/include/elf/arc-reloc.def b/include/elf/arc-reloc.def
index 9d0e42e4447..fd04a55b1bf 100644
--- a/include/elf/arc-reloc.def
+++ b/include/elf/arc-reloc.def
@@ -64,6 +64,13 @@ ARC_RELOC_HOWTO(ARC_32, 4, \
                 bitfield, \
                 ( S + A ))
 
+ARC_RELOC_HOWTO(ARC_64, 5, \
+                8, \
+                64, \
+                replace_word64, \
+                bitfield, \
+                ( S + A ))
+
 ARC_RELOC_HOWTO(ARC_N8, 8, \
                 1, \
                 8, \
@@ -201,14 +208,7 @@ ARC_RELOC_HOWTO(ARC_32_ME, 27, \
                 4, \
                 32, \
                 replace_limm, \
-                signed, \
-                ( ME ( ( S + A ) ) ))
-
-ARC_RELOC_HOWTO(ARC_32_ME_S, 105, \
-                4, \
-                32, \
-                replace_limms, \
-                signed, \
+                bitfield, \
                 ( ME ( ( S + A ) ) ))
 
 ARC_RELOC_HOWTO(ARC_N32_ME, 28, \
@@ -369,21 +369,21 @@ ARC_RELOC_HOWTO(ARC_GLOB_DAT, 54, \
                 4, \
                 32, \
                 replace_word32, \
-                signed, \
+                bitfield, \
                 S)
 
 ARC_RELOC_HOWTO(ARC_JMP_SLOT, 55, \
                 4, \
                 32, \
                 replace_word32, \
-                signed, \
+                bitfield, \
                 ( ME ( S ) ))
 
 ARC_RELOC_HOWTO(ARC_RELATIVE, 56, \
                 4, \
                 32, \
                 replace_word32, \
-                signed, \
+                bitfield, \
                 ( ME ( ( B + A ) ) ))
 
 ARC_RELOC_HOWTO(ARC_GOTOFF, 57, \
@@ -511,3 +511,152 @@ ARC_RELOC_HOWTO(ARC_NPS_CMEM16, 78, \
                 replace_bits16, \
                 dont, \
                 ( ME ( S + A )))
+
+ARC_RELOC_HOWTO(ARC_S9H_PCREL, 79, \
+                4, \
+                8, \
+                replace_disp8ls, \
+                signed, \
+                ( ME ( ( ( ( S + A ) - P ) >> 1 ) ) ) )
+
+ARC_RELOC_HOWTO(ARC_S7H_PCREL, 80, \
+                2, \
+                6, \
+                replace_disp6s, \
+                signed, \
+                ( ( ( ( S + A ) - P ) >> 1 ) ) )
+
+ARC_RELOC_HOWTO(ARC_S8H_PCREL, 81, \
+                2, \
+                7, \
+                replace_disp7s, \
+                signed, \
+                ( ( ( ( S + A ) - P ) >> 1 ) ) )
+
+ARC_RELOC_HOWTO(ARC_S10H_PCREL, 82, \
+                2, \
+                9, \
+                replace_disp9s, \
+                signed, \
+                ( ( ( ( S + A ) - P ) >> 1 ) ) )
+
+ARC_RELOC_HOWTO(ARC_S13H_PCREL, 83, \
+                4, \
+                12, \
+                replace_disp12s, \
+                signed, \
+                ( ME ( ( ( ( S + A ) - P ) >> 1 ) ) ) )
+
+ARC_RELOC_HOWTO(ARC_ALIGN, 84, \
+                4, \
+                0, \
+                replace_none, \
+                dont, \
+                0 )
+
+ARC_RELOC_HOWTO(ARC_ADD8, 85, \
+                1, \
+                8, \
+                replace_bits8, \
+                dont, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_ADD16, 86, \
+                2, \
+                16, \
+                replace_bits16, \
+                dont, \
+                ( S + A ))
+
+ARC_RELOC_HOWTO(ARC_SUB8, 87, \
+                1, \
+                8, \
+                replace_bits8, \
+                dont, \
+                ( A - S + ICARRY ))
+
+ARC_RELOC_HOWTO(ARC_SUB16, 88, \
+                2, \
+                16, \
+                replace_bits16, \
+                dont, \
+                ( A - S + ICARRY ))
+
+ARC_RELOC_HOWTO(ARC_SUB32, 89, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( A - S + ICARRY))
+
+ARC_RELOC_HOWTO(ARC_LO32, 90, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( ( S + A ) & 4294967295 ))
+
+ARC_RELOC_HOWTO(ARC_HI32, 91, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( ( S + A ) >> 32 ))
+
+ARC_RELOC_HOWTO(ARC_LO32_ME, 92, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( ME ( ( ( S + A ) & 4294967295 ) ) ))
+
+ARC_RELOC_HOWTO(ARC_HI32_ME, 93, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( ME ( ( ( S + A ) >> 32 ) ) ))
+
+ARC_RELOC_HOWTO(ARC_N64, 94, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( DEREFP - ( S + A ) ))
+
+ARC_RELOC_HOWTO(ARC_SDA_LDST3, 95, \
+                4, \
+                9, \
+                replace_disp9ls, \
+                signed, \
+                ( ( ( S + A ) - _SDA_BASE_ ) >> 3 ))
+
+ARC_RELOC_HOWTO(ARC_NLO32, 96, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( DEREFP - ( ( S + A ) & 4294967295 ) ))
+
+ARC_RELOC_HOWTO(ARC_NLO32_ME, 97, \
+                4, \
+                32, \
+                replace_word32, \
+                dont, \
+                ( ME ( ( DEREFP - ( ( S + A ) & 4294967295 ) ) ) ))
+
+ARC_RELOC_HOWTO(ARC_PCLO32_ME_2, 98, \
+                4, \
+                34, \
+                replace_word32, \
+                signed, \
+                ( ME ( ( ( ( S + A ) - P ) >> 2 ) & 0xFFFFFFFF ) ) )
+
+
+ARC_RELOC_HOWTO(ARC_PLT34, 99, \
+                4, \
+                34, \
+                replace_word32, \
+                signed, \
+                ( ME ( ( ( ( L + A ) - P ) >> 2 ) & 0xFFFFFFFF ) ) )
+
diff --git a/include/elf/arc.h b/include/elf/arc.h
index 57800e024cd..a6a84cc75b4 100644
--- a/include/elf/arc.h
+++ b/include/elf/arc.h
@@ -50,6 +50,7 @@ END_RELOC_NUMBERS (R_ARC_max)
 #define E_ARC_MACH_ARC700	0x00000003
 #define EF_ARC_CPU_ARCV2EM      0x00000005
 #define EF_ARC_CPU_ARCV2HS      0x00000006
+#define EF_ARC_CPU_ARC64	0x00000007
 
 /* ARC Linux specific ABIs.  */
 #define E_ARC_OSABI_ORIG	0x00000000   /* MUST be 0 for back-compat.  */
diff --git a/include/opcode/arc-attrs.h b/include/opcode/arc-attrs.h
index f0478dc7dd4..01276a60fc1 100644
--- a/include/opcode/arc-attrs.h
+++ b/include/opcode/arc-attrs.h
@@ -37,8 +37,8 @@ const struct feature_type
 }  FEATURE_LIST_NAME [] =
   {
     { BTSCN,    ARC_OPCODE_ARCALL,   "BITSCAN",  "bit-scan" },
-    { CD,       ARC_OPCODE_ARCV2,    "CD",       "code-density" },
-    { DIV,      ARC_OPCODE_ARCV2,    "DIV_REM",  "div/rem" },
+    { CD,       ARC_OPCODE_ARCVx,    "CD",       "code-density" },
+    { DIV,      ARC_OPCODE_ARCVx,    "DIV_REM",  "div/rem" },
     { DP,       ARC_OPCODE_ARCv2HS,  "FPUD",     "double-precision FPU" },
     { DPA,      ARC_OPCODE_ARCv2EM,  "FPUDA",    "double assist FP" },
     { DPX,      ARC_OPCODE_ARCFPX,   "DPFP",     "double-precision FPX" },
diff --git a/include/opcode/arc-func.h b/include/opcode/arc-func.h
index 65d21e38d96..78356101d04 100644
--- a/include/opcode/arc-func.h
+++ b/include/opcode/arc-func.h
@@ -22,8 +22,8 @@
 /* mask  = 00000000000000000000000000000000.  */
 #ifndef REPLACE_none
 #define REPLACE_none
-ATTRIBUTE_UNUSED static unsigned
-replace_none (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_none (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x00;
 
@@ -35,8 +35,8 @@ replace_none (unsigned insn, int value ATTRIBUTE_UNUSED)
 /* mask  = 11111111.  */
 #ifndef REPLACE_bits8
 #define REPLACE_bits8
-ATTRIBUTE_UNUSED static unsigned
-replace_bits8 (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_bits8 (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xff;
   insn |= ((value >> 0) & 0x00ff) << 0;
@@ -49,8 +49,8 @@ replace_bits8 (unsigned insn, int value ATTRIBUTE_UNUSED)
 /* mask  = 1111111111111111.  */
 #ifndef REPLACE_bits16
 #define REPLACE_bits16
-ATTRIBUTE_UNUSED static unsigned
-replace_bits16 (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_bits16 (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xffff;
   insn |= ((value >> 0) & 0xffff) << 0;
@@ -63,8 +63,8 @@ replace_bits16 (unsigned insn, int value ATTRIBUTE_UNUSED)
 /* mask  = 111111111111111111111111.  */
 #ifndef REPLACE_bits24
 #define REPLACE_bits24
-ATTRIBUTE_UNUSED static unsigned
-replace_bits24 (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_bits24 (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xffffff;
   insn |= ((value >> 0) & 0xffffff) << 0;
@@ -78,8 +78,8 @@ replace_bits24 (unsigned insn, int value ATTRIBUTE_UNUSED)
 /* mask  = 111111111111111111111111.  */
 #ifndef REPLACE_bits24_be
 #define REPLACE_bits24_be
-ATTRIBUTE_UNUSED static unsigned
-replace_bits24_be (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_bits24_be (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xffffff00;
   insn |= ((value >> 0) & 0xffffff) << 8;
@@ -87,27 +87,39 @@ replace_bits24_be (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_bits24_be */
+#endif /* REPLACE_bits24_be.  */
 
 /* mask  = 11111111111111111111111111111111.  */
 #ifndef REPLACE_word32
 #define REPLACE_word32
-ATTRIBUTE_UNUSED static unsigned
-replace_word32 (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_word32 (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xffffffff;
   insn |= ((value >> 0) & 0xffffffff) << 0;
 
   return insn;
 }
+#endif /* REPLACE_word32.  */
+
+/* mask  = 1111111111111111111111111111111111111111111111111111111111111111.  */
+#ifndef REPLACE_word64
+#define REPLACE_word64
+ATTRIBUTE_UNUSED static bfd_vma
+replace_word64 (bfd_vma insn, bfd_vma value)
+{
+  insn |= value;
+
+  return insn;
+}
+#endif /* REPLACE_word64.  */
 
-#endif /* REPLACE_word32 */
 
 /* mask  = 0000000000000000000000000000000011111111111111111111111111111111.  */
 #ifndef REPLACE_limm
 #define REPLACE_limm
-ATTRIBUTE_UNUSED static unsigned
-replace_limm (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_limm (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xffffffff;
   insn |= ((value >> 0) & 0xffffffff) << 0;
@@ -115,13 +127,13 @@ replace_limm (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_limm */
+#endif /* REPLACE_limm.  */
 
 /* mask  = 000000000000000011111111111111111111111111111111.  */
 #ifndef REPLACE_limms
 #define REPLACE_limms
-ATTRIBUTE_UNUSED static unsigned
-replace_limms (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_limms (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xffffffff;
   insn |= ((value >> 0) & 0xffffffff) << 0;
@@ -129,13 +141,13 @@ replace_limms (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_limms */
+#endif /* REPLACE_limms.  */
 
 /* mask  = 00000111111111102222222222000000.  */
 #ifndef REPLACE_disp21h
 #define REPLACE_disp21h
-ATTRIBUTE_UNUSED static unsigned
-replace_disp21h (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp21h (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x7feffc0;
   insn |= ((value >> 0) & 0x03ff) << 17;
@@ -144,13 +156,13 @@ replace_disp21h (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp21h */
+#endif /* REPLACE_disp21h.  */
 
 /* mask  = 00000111111111002222222222000000.  */
 #ifndef REPLACE_disp21w
 #define REPLACE_disp21w
-ATTRIBUTE_UNUSED static unsigned
-replace_disp21w (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp21w (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x7fcffc0;
   insn |= ((value >> 0) & 0x01ff) << 18;
@@ -159,13 +171,13 @@ replace_disp21w (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp21w */
+#endif /* REPLACE_disp21w.  */
 
 /* mask  = 00000111111111102222222222003333.  */
 #ifndef REPLACE_disp25h
 #define REPLACE_disp25h
-ATTRIBUTE_UNUSED static unsigned
-replace_disp25h (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp25h (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x7feffcf;
   insn |= ((value >> 0) & 0x03ff) << 17;
@@ -175,13 +187,13 @@ replace_disp25h (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp25h */
+#endif /* REPLACE_disp25h.  */
 
 /* mask  = 00000111111111002222222222003333.  */
 #ifndef REPLACE_disp25w
 #define REPLACE_disp25w
-ATTRIBUTE_UNUSED static unsigned
-replace_disp25w (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp25w (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x7fcffcf;
   insn |= ((value >> 0) & 0x01ff) << 18;
@@ -191,13 +203,13 @@ replace_disp25w (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp25w */
+#endif /* REPLACE_disp25w.  */
 
 /* mask  = 00000000000000000000000111111111.  */
 #ifndef REPLACE_disp9
 #define REPLACE_disp9
-ATTRIBUTE_UNUSED static unsigned
-replace_disp9 (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp9 (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x1ff;
   insn |= ((value >> 0) & 0x01ff) << 0;
@@ -205,13 +217,13 @@ replace_disp9 (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp9 */
+#endif /* REPLACE_disp9.  */
 
 /* mask  = 00000000111111112000000000000000.  */
 #ifndef REPLACE_disp9ls
 #define REPLACE_disp9ls
-ATTRIBUTE_UNUSED static unsigned
-replace_disp9ls (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp9ls (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xff8000;
   insn |= ((value >> 0) & 0x00ff) << 16;
@@ -225,8 +237,8 @@ replace_disp9ls (unsigned insn, int value ATTRIBUTE_UNUSED)
 /* mask  = 0000000111111111.  */
 #ifndef REPLACE_disp9s
 #define REPLACE_disp9s
-ATTRIBUTE_UNUSED static unsigned
-replace_disp9s (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp9s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x1ff;
   insn |= ((value >> 0) & 0x01ff) << 0;
@@ -234,13 +246,13 @@ replace_disp9s (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp9s */
+#endif /* REPLACE_disp9s.  */
 
 /* mask  = 0000011111111111.  */
 #ifndef REPLACE_disp13s
 #define REPLACE_disp13s
-ATTRIBUTE_UNUSED static unsigned
-replace_disp13s (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp13s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x7ff;
   insn |= ((value >> 0) & 0x07ff) << 0;
@@ -248,13 +260,13 @@ replace_disp13s (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp13s */
+#endif /* REPLACE_disp13s.  */
 
 /* mask  = 0000022222200111.  */
 #ifndef REPLACE_disp9s1
 #define REPLACE_disp9s1
-ATTRIBUTE_UNUSED static unsigned
-replace_disp9s1 (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp9s1 (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0x7e7;
   insn |= ((value >> 0) & 0x0007) << 0;
@@ -263,13 +275,13 @@ replace_disp9s1 (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp9s1 */
+#endif /* REPLACE_disp9s1.  */
 
 /* mask  = 00000000000000000000111111222222.  */
 #ifndef REPLACE_disp12s
 #define REPLACE_disp12s
-ATTRIBUTE_UNUSED static unsigned
-replace_disp12s (unsigned insn, int value ATTRIBUTE_UNUSED)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp12s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
 {
   insn = insn & ~0xfff;
   insn |= ((value >> 0) & 0x003f) << 6;
@@ -277,13 +289,13 @@ replace_disp12s (unsigned insn, int value ATTRIBUTE_UNUSED)
   return insn;
 }
 
-#endif /* REPLACE_disp12s */
+#endif /* REPLACE_disp12s.  */
 
 /* mask  = 0000001111111111.  */
 #ifndef REPLACE_jli
 #define REPLACE_jli
-ATTRIBUTE_UNUSED static unsigned
-replace_jli (unsigned insn, int value)
+ATTRIBUTE_UNUSED static bfd_vma
+replace_jli (bfd_vma insn, bfd_vma value)
 {
   insn = insn & ~0x3ff;
   insn |= ((value >> 0) & 0x03ff) << 0;
@@ -291,4 +303,76 @@ replace_jli (unsigned insn, int value)
   return insn;
 }
 
-#endif /* REPLACE_jli */
+#endif /* REPLACE_jli.  */
+
+#ifndef REPLACE_disp8ls
+#define REPLACE_disp8ls
+/* mask = 0000 0000 1111 1110 2000 0000 0000 0000.  */
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp8ls (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
+{
+  insn = insn & ~0xfe8000;
+  insn |= ((value >> 0) & 0x007f) << 17;
+  insn |= ((value >> 7) & 0x0001) << 15;
+
+  return insn;
+}
+#endif /* REPLACE_disp8ls.  */
+
+#ifndef REPLACE_disp9s
+#define REPLACE_disp9s
+/* mask = 0000000111111111
+   insn = 1111001sssssssss.  */
+static bfd_vma
+replace_disp9s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
+{
+  insn = insn & ~0x1ff;
+  insn |= ((value >> 0) & 0x01ff) << 0;
+
+  return insn;
+}
+#endif /* REPLACE_disp9s.  */
+
+#ifndef REPLACE_disp6s
+#define REPLACE_disp6s
+/* mask = 0000000000111111
+   insn = 1111011000ssssss.  */
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp6s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
+{
+  insn = insn & ~0x3f;
+  insn |= ((value >> 0) & 0x003f) << 0;
+
+  return insn;
+}
+
+#endif /* REPLACE_disp6s.  */
+
+#ifndef REPLACE_disp7s
+#define REPLACE_disp7s
+/* mask = 0000000001111111
+   insn = 11101bbb1sssssss.  */
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp7s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
+{
+  insn = insn & ~0x7f;
+  insn |= ((value >> 0) & 0x007f) << 0;
+
+  return insn;
+}
+#endif /* REPLACE_disp7s.  */
+
+#ifndef REPLACE_disp12s
+#define REPLACE_disp12s
+/* mask = 00000000000000000000111111222222
+   insn = 00100RRR101010000RRRssssssSSSSSS.  */
+ATTRIBUTE_UNUSED static bfd_vma
+replace_disp12s (bfd_vma insn, bfd_vma value ATTRIBUTE_UNUSED)
+{
+  insn = insn & ~0xfff;
+  insn |= ((value >> 0) & 0x003f) << 6;
+  insn |= ((value >> 6) & 0x003f) << 0;
+
+  return insn;
+}
+#endif /* REPLACE_disp12s.  */
diff --git a/include/opcode/arc.h b/include/opcode/arc.h
index 0fae8740722..fe3278ab706 100644
--- a/include/opcode/arc.h
+++ b/include/opcode/arc.h
@@ -199,13 +199,19 @@ extern int arc_opcode_len (const struct arc_opcode *opcode);
 #define ARC_OPCODE_ARC700   0x0002  /* ARC 700 specific insns.  */
 #define ARC_OPCODE_ARCv2EM  0x0004  /* ARCv2 EM specific insns.  */
 #define ARC_OPCODE_ARCv2HS  0x0008  /* ARCv2 HS specific insns.  */
+#define ARC_OPCODE_ARC64    0x0010  /* ARC64 specific insns.  */
+#define ARC_OPCODE_ARC32    0x0020  /* ARC32 specific insns.  */
 
 /* CPU combi.  */
 #define ARC_OPCODE_ARCALL  (ARC_OPCODE_ARC600 | ARC_OPCODE_ARC700	\
-			    | ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
+			    | ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS \
+			    | ARC_OPCODE_ARC64 | ARC_OPCODE_ARC32)
 #define ARC_OPCODE_ARCFPX  (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCv2EM)
 #define ARC_OPCODE_ARCV1   (ARC_OPCODE_ARC600 | ARC_OPCODE_ARC700)
 #define ARC_OPCODE_ARCV2   (ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
+#define ARC_OPCODE_ARCVx					\
+  (ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS | ARC_OPCODE_ARC64	\
+   | ARC_OPCODE_ARC32)
 #define ARC_OPCODE_ARCMPY6E  (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCV2)
 
 /* The operands table is an array of struct arc_operand.  */
@@ -325,6 +331,9 @@ extern const unsigned arc_NToperand;
 /* Mark the colon position.  */
 #define ARC_OPERAND_COLON       0x4000
 
+/* Mark a floating point register.  */
+#define ARC_OPERAND_FP		0x8000
+
 /* Mask for selecting the type for typecheck purposes.  */
 #define ARC_OPERAND_TYPECHECK_MASK		 \
   (ARC_OPERAND_IR				 \
@@ -369,6 +378,16 @@ struct arc_flag_class
 
   /* List of valid flags (codes).  */
   unsigned flags[256];
+
+  /* Some special cases needs to use insert/extract functions for
+     flags as well.  The function prototypes are identically like the
+     one used for insertion/extraction of an operand.  The reason
+     beeing the ability of reusing these functions.  */
+  unsigned long long (*insert) (unsigned long long instruction,
+				long long int op,
+				const char **errmsg);
+  long long int (*extract) (unsigned long long instruction,
+			    bool *invalid);
 };
 
 extern const struct arc_flag_class arc_flag_classes[];
@@ -441,6 +460,8 @@ struct arc_pseudo_insn
 
 extern const struct arc_pseudo_insn arc_pseudo_insns[];
 extern const unsigned arc_num_pseudo_insn;
+extern const struct arc_pseudo_insn arc64_pseudo_insns[];
+extern const unsigned arc64_num_pseudo_insn;
 
 /* Structure for AUXILIARY registers.  */
 struct arc_aux_reg
@@ -478,8 +499,10 @@ extern const unsigned arc_num_relax_opcodes;
 #define FIELDC(word) ((word & 0x3F) << 6)
 #define FIELDF	     (0x01 << 15)
 #define FIELDQ	     (0x1F)
+#define HARD_FIELDF  (0x00)
 
-#define INSN3OP(MOP,SOP)	(((MOP & 0x1F) << 27) | ((SOP & 0x3F) << 16))
+#define INSN3OP(MOP,SOP)	\
+  (((MOP & 0x1F) << 27) | ((SOP & 0x3F) << 16) | HARD_FIELDF)
 #define INSN2OPX(MOP,SOP1,SOP2) (INSN3OP (MOP,SOP1) | (SOP2 & 0x3F))
 #define INSN2OP(MOP,SOP)	(INSN2OPX (MOP,0x2F,SOP))
 
@@ -667,6 +690,100 @@ typedef enum
 
 #define ARC_NUM_ADDRTYPES 16
 
+/*ARC64 floating point enums.  */
+#define P_HALF 0
+#define P_SINGLE 1
+#define P_DOUBLE 2
+
+#define TOPF_FMADD 0
+#define TOPF_FMSUB 1
+#define TOPF_FNMADD 2
+#define TOPF_FNMSUB 3
+#define TOPF_VFMADD 4
+#define TOPF_VFMSUB 5
+#define TOPF_VFNMADD 6
+#define TOPF_VFNMSUB 7
+#define TOPF_VFMADDS 0xC
+#define TOPF_VFMSUBS 0xD
+#define TOPF_VFNMADDS 0xE
+#define TOPF_VFNMSUBS 0xF
+
+#define DOPF_FADD  0
+#define DOPF_FSUB  1
+#define DOPF_FMUL  2
+#define DOPF_FDIV  3
+#define DOPF_FCMP  4
+#define DOPF_FCMPF 5
+#define DOPF_FMIN  6
+#define DOPF_FMAX  7
+#define DOPF_FSGNJ 8
+#define DOPF_FSGNJN 10
+#define DOPF_FSGNJX 11
+#define DOPF_VFADD  0x10
+#define DOPF_VFSUB  0x11
+#define DOPF_VFMUL  0x12
+#define DOPF_VFDIV  0x13
+#define DOPF_VFADDS  0x14
+#define DOPF_VFSUBS  0x15
+#define DOPF_VFMULS  0x16
+#define DOPF_VFDIVS  0x17
+#define DOPF_VFUNPKL 0x18
+#define DOPF_VFUNPKM 0x19
+#define DOPF_VFPACKL 0x1a
+#define DOPF_VFPACKM 0x1b
+#define DOPF_VFBFLYL 0x1c
+#define DOPF_VFBFLYM 0x1d
+#define DOPF_VFADDSUB 0x1e
+#define DOPF_VFSUBADD 0x1f
+
+#define SOPF_FSQRT 0
+#define SOPF_VFSQRT 1
+#define SOPF_VFEXCH 2
+
+#define  COPF_FMOV 0
+#define  COPF_VFMOV 1
+
+#define FUINT2S 0
+#define FS2UINT 0
+#define FINT2S  0
+#define FS2INT  0
+#define FSRND   0
+#define F2UINT_RZ 0
+#define FSINT_RZ 0
+#define FSRND_RZ 0
+#define FMVI2S 0
+#define FMVS2I 0
+#define FS2H 0
+#define FH2S 0
+#define FS2H_RZ 0
+
+#define FUINT2D 1
+#define FS2UL 1
+#define FINT2D 1
+#define FS2L 1
+#define FS2D 1
+#define FS2UL_RZ 1
+#define FS2L_RZ 1
+
+#define FUL2S 2
+#define FD2UINT 2
+#define FL2S 2
+#define FD2INT 2
+#define FD2S 2
+#define FD2UINT_RZ 2
+#define FD2INT_RZ 2
+
+#define FUL2D 3
+#define FD2UL 3
+#define FL2D 3
+#define FD2L 3
+#define FDRND 3
+#define FD2UL_RZ 3
+#define FD2L_RZ 3
+#define FDRND_RZ 3
+#define FMVL2D 3
+#define FMVD2L 3
+
 #ifdef __cplusplus
 }
 #endif
