More signed overflow fixes
[deliverable/binutils-gdb.git] / opcodes / arm-dis.c
index 033725dbad99fb93f8f9506a32f0f55c63b2ae42..12eae61bb5957e67375b52b32d10de927289a08c 100644 (file)
@@ -396,6 +396,7 @@ struct opcode16
    %%                  %
 
    %c                  print condition code (always bits 28-31 in ARM mode)
+   %b                  print condition code allowing cp_num == 9
    %q                  print shifter argument
    %u                  print condition code (unconditional in ARM mode,
                           UNPREDICTABLE if not AL in Thumb)
@@ -1184,38 +1185,7 @@ static const struct sopcode32 coprocessor_opcodes[] =
   {ANY, ARM_FEATURE_COPROC (FPU_VFP_EXT_ARMV8),
     0xfeb80b40, 0xffbc0fd0, "vrint%16-17?mpna%u.f64\t%z1, %z0"},
 
-  /* Generic coprocessor instructions.  */
   {ANY, ARM_FEATURE_CORE_LOW (0), SENTINEL_GENERIC_START, 0, "" },
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5E),
-    0x0c400000, 0x0ff00000, "mcrr%c\t%8-11d, %4-7d, %12-15R, %16-19r, cr%0-3d"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5E),
-    0x0c500000, 0x0ff00000,
-    "mrrc%c\t%8-11d, %4-7d, %12-15Ru, %16-19Ru, cr%0-3d"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
-    0x0e000000, 0x0f000010,
-    "cdp%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
-    0x0e10f010, 0x0f10f010,
-    "mrc%c\t%8-11d, %21-23d, APSR_nzcv, cr%16-19d, cr%0-3d, {%5-7d}"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
-    0x0e100010, 0x0f100010,
-    "mrc%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
-    0x0e000010, 0x0f100010,
-    "mcr%c\t%8-11d, %21-23d, %12-15R, cr%16-19d, cr%0-3d, {%5-7d}"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
-    0x0c000000, 0x0e100000, "stc%22'l%c\t%8-11d, cr%12-15d, %A"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
-    0x0c100000, 0x0e100000, "ldc%22'l%c\t%8-11d, cr%12-15d, %A"},
-
-  /* V6 coprocessor instructions.  */
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V6),
-    0xfc500000, 0xfff00000,
-    "mrrc2%c\t%8-11d, %4-7d, %12-15Ru, %16-19Ru, cr%0-3d"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V6),
-    0xfc400000, 0xfff00000,
-    "mcrr2%c\t%8-11d, %4-7d, %12-15R, %16-19R, cr%0-3d"},
-
   /* ARMv8.3 AdvSIMD instructions in the space of coprocessor 8.  */
   {ANY, ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
     0xfc800800, 0xfeb00f10, "vcadd%c.f16\t%12-15,22V, %16-19,7V, %0-3,5V, #%24?29%24'70"},
@@ -1238,11 +1208,15 @@ static const struct sopcode32 coprocessor_opcodes[] =
   {ANY, ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
     0xfea00800, 0xffa00f10, "vcmla%c.f32\t%12-15,22V, %16-19,7V, %0-3,5D[0], #%20?21%20?780"},
 
+  /* BFloat16 instructions.  */
+  {ANY, ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0x0eb30940, 0x0fbf0f50, "vcvt%7?tb%b.bf16.f32\t%y1, %y0"},
+
   /* Dot Product instructions in the space of coprocessor 13.  */
   {ANY, ARM_FEATURE_COPROC (FPU_NEON_EXT_DOTPROD),
     0xfc200d00, 0xffb00f00, "v%4?usdot.%4?us8\t%12-15,22V, %16-19,7V, %0-3,5V"},
   {ANY, ARM_FEATURE_COPROC (FPU_NEON_EXT_DOTPROD),
-    0xfe000d00, 0xff000f00, "v%4?usdot.%4?us8\t%12-15,22V, %16-19,7V, %0-3D[%5?10]"},
+    0xfe200d00, 0xff200f00, "v%4?usdot.%4?us8\t%12-15,22V, %16-19,7V, %0-3D[%5?10]"},
 
   /* ARMv8.2 FMAC Long instructions in the space of coprocessor 8.  */
   {ANY, ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST | ARM_EXT2_V8_2A),
@@ -1262,21 +1236,6 @@ static const struct sopcode32 coprocessor_opcodes[] =
   {ANY, ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST | ARM_EXT2_V8_2A),
     0xfe100850, 0xffb00f50, "vfmsl.f16\t%12-15,22Q, d%16-19,7d, d%0-2d[%3,5d]"},
 
-  /* V5 coprocessor instructions.  */
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
-    0xfc100000, 0xfe100000, "ldc2%22'l%c\t%8-11d, cr%12-15d, %A"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
-    0xfc000000, 0xfe100000, "stc2%22'l%c\t%8-11d, cr%12-15d, %A"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
-    0xfe000000, 0xff000010,
-    "cdp2%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
-    0xfe000010, 0xff100010,
-    "mcr2%c\t%8-11d, %21-23d, %12-15R, cr%16-19d, cr%0-3d, {%5-7d}"},
-  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
-    0xfe100010, 0xff100010,
-    "mrc2%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
-
   /* ARMv8.2 half-precision Floating point coprocessor 9 (VFP) instructions.
      cp_num: bit <11:8> == 0b1001.
      cond: bit <31:28> == 0b1110, otherwise, it's UNPREDICTABLE.  */
@@ -1358,6 +1317,60 @@ static const struct sopcode32 coprocessor_opcodes[] =
   {ANY, ARM_FEATURE_CORE_LOW (0), 0, 0, 0}
 };
 
+/* Generic coprocessor instructions.  These are only matched if a more specific
+   SIMD or co-processor instruction does not match first.  */
+
+static const struct sopcode32 generic_coprocessor_opcodes[] =
+{
+  /* Generic coprocessor instructions.  */
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5E),
+    0x0c400000, 0x0ff00000, "mcrr%c\t%8-11d, %4-7d, %12-15R, %16-19r, cr%0-3d"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5E),
+    0x0c500000, 0x0ff00000,
+    "mrrc%c\t%8-11d, %4-7d, %12-15Ru, %16-19Ru, cr%0-3d"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
+    0x0e000000, 0x0f000010,
+    "cdp%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
+    0x0e10f010, 0x0f10f010,
+    "mrc%c\t%8-11d, %21-23d, APSR_nzcv, cr%16-19d, cr%0-3d, {%5-7d}"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
+    0x0e100010, 0x0f100010,
+    "mrc%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
+    0x0e000010, 0x0f100010,
+    "mcr%c\t%8-11d, %21-23d, %12-15R, cr%16-19d, cr%0-3d, {%5-7d}"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
+    0x0c000000, 0x0e100000, "stc%22'l%c\t%8-11d, cr%12-15d, %A"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V2),
+    0x0c100000, 0x0e100000, "ldc%22'l%c\t%8-11d, cr%12-15d, %A"},
+
+  /* V6 coprocessor instructions.  */
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V6),
+    0xfc500000, 0xfff00000,
+    "mrrc2%c\t%8-11d, %4-7d, %12-15Ru, %16-19Ru, cr%0-3d"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V6),
+    0xfc400000, 0xfff00000,
+    "mcrr2%c\t%8-11d, %4-7d, %12-15R, %16-19R, cr%0-3d"},
+
+  /* V5 coprocessor instructions.  */
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
+    0xfc100000, 0xfe100000, "ldc2%22'l%c\t%8-11d, cr%12-15d, %A"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
+    0xfc000000, 0xfe100000, "stc2%22'l%c\t%8-11d, cr%12-15d, %A"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
+    0xfe000000, 0xff000010,
+    "cdp2%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
+    0xfe000010, 0xff100010,
+    "mcr2%c\t%8-11d, %21-23d, %12-15R, cr%16-19d, cr%0-3d, {%5-7d}"},
+  {ANY, ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
+    0xfe100010, 0xff100010,
+    "mrc2%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
+
+  {ANY, ARM_FEATURE_CORE_LOW (0), 0, 0, 0}
+};
+
 /* Neon opcode table:  This does not encode the top byte -- that is
    checked by the print_insn_neon routine, as it depends on whether we are
    doing thumb32 or arm32 disassembly.  */
@@ -1444,6 +1457,34 @@ static const struct opcode32 neon_opcodes[] =
   {ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
     0xf2300c10, 0xffb00f10, "vfms%c.f16\t%12-15,22R, %16-19,7R, %0-3,5R"},
 
+  /* BFloat16 instructions.  */
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0xfc000d00, 0xffb00f10, "vdot.bf16\t%12-15,22R, %16-19,7R, %0-3,5R"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0xfe000d00, 0xffb00f10, "vdot.bf16\t%12-15,22R, %16-19,7R, d%0-3d[%5d]"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0xfc000c40, 0xffb00f50, "vmmla.bf16\t%12-15,22R, %16-19,7R, %0-3,5R"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0xf3b60640, 0xffbf0fd0, "vcvt%c.bf16.f32\t%12-15,22D, %0-3,5Q"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0xfc300810, 0xffb00f10, "vfma%6?tb.bf16\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16),
+    0xfe300810, 0xffb00f10, "vfma%6?tb.bf16\t%12-15,22Q, %16-19,7Q, %0-2D[%3,5d]"},
+
+  /* Matrix Multiply instructions.  */
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM),
+    0xfc200c40, 0xffb00f50, "vsmmla.s8\t%12-15,22R, %16-19,7R, %0-3,5R"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM),
+    0xfc200c50, 0xffb00f50, "vummla.u8\t%12-15,22R, %16-19,7R, %0-3,5R"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM),
+    0xfca00c40, 0xffb00f50, "vusmmla.s8\t%12-15,22R, %16-19,7R, %0-3,5R"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM),
+    0xfca00d00, 0xffb00f10, "vusdot.s8\t%12-15,22R, %16-19,7R, %0-3,5R"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM),
+    0xfe800d00, 0xffb00f10, "vusdot.s8\t%12-15,22R, %16-19,7R, d%0-3d[%5d]"},
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM),
+    0xfe800d10, 0xffb00f10, "vsudot.u8\t%12-15,22R, %16-19,7R, d%0-3d[%5d]"},
+
   /* Two registers, miscellaneous.  */
   {ARM_FEATURE_COPROC (FPU_NEON_EXT_ARMV8),
     0xf3ba0400, 0xffbf0c10, "vrint%7-9?p?m?zaxn%u.f32\t%12-15,22R, %0-3,5R"},
@@ -2073,6 +2114,7 @@ static const struct opcode32 neon_opcodes[] =
    %u                  print 'U' (unsigned) or 'S' for various mve instructions
    %i                  print MVE predicate(s) for vpt and vpst
    %j                  print a 5-bit immediate from hw2[14:12,7:6]
+   %k                  print 48 if the 7th position bit is set else print 64.
    %m                  print rounding mode for vcvt and vrint
    %n                  print vector comparison code for predicated instruction
    %s                  print size for various vcvt instructions
@@ -2800,10 +2842,15 @@ static const struct mopcode32 mve_opcodes[] =
    "vsri%v.%19-21s\t%13-15,22Q, %1-3,5Q, #%16-18d"},
 
   /* Vector VMOV immediate to vector,
-     cmode == 11x1 -> VMVN which is UNDEFINED
-     for such a cmode.  */
+     undefinded for cmode == 1111 */
+  {ARM_FEATURE_COPROC (FPU_MVE),
+   MVE_VMVN_IMM, 0xef800f70, 0xefb81ff0, UNDEFINED_INSTRUCTION},
+
+  /* Vector VMOV immediate to vector,
+     cmode == 1101 */
   {ARM_FEATURE_COPROC (FPU_MVE),
-   MVE_VMVN_IMM, 0xef800d50, 0xefb81dd0, UNDEFINED_INSTRUCTION},
+   MVE_VMOV_IMM_TO_VEC, 0xef800d50, 0xefb81fd0,
+   "vmov%v.%5,8-11s\t%13-15,22Q, %E"},
 
   /* Vector VMOV immediate to vector.  */
   {ARM_FEATURE_COPROC (FPU_MVE),
@@ -2950,6 +2997,16 @@ static const struct mopcode32 mve_opcodes[] =
    0xef200150, 0xffb11f51,
    "vorr%v\t%13-15,22Q, %17-19,7Q, %1-3,5Q"},
 
+  /* Vector VMOV, vector to vector move. While decoding MVE_VORR_REG if
+     "Qm==Qn", VORR should replaced by its alias VMOV. For that to happen
+     MVE_VMOV_VEC_TO_VEC need to placed after MVE_VORR_REG in this mve_opcodes
+     array.  */
+
+  {ARM_FEATURE_COPROC (FPU_MVE),
+   MVE_VMOV_VEC_TO_VEC,
+   0xef200150, 0xffb11f51,
+   "vmov%v\t%13-15,22Q, %17-19,7Q"},
+
   /* Vector VQDMULL T1 variant.  */
   {ARM_FEATURE_COPROC (FPU_MVE),
    MVE_VQDMULL_T1,
@@ -3373,8 +3430,8 @@ static const struct mopcode32 mve_opcodes[] =
 
   {ARM_FEATURE_COPROC (FPU_MVE),
    MVE_SQRSHRL,
-   0xea51012d, 0xfff101ff,
-   "sqrshrl%c\t%17-19l, %9-11h, %12-15S"},
+   0xea51012d, 0xfff1017f,
+   "sqrshrl%c\t%17-19l, %9-11h, %k, %12-15S"},
 
   {ARM_FEATURE_COPROC (FPU_MVE),
    MVE_SQRSHR,
@@ -3403,8 +3460,8 @@ static const struct mopcode32 mve_opcodes[] =
 
   {ARM_FEATURE_COPROC (FPU_MVE),
    MVE_UQRSHLL,
-   0xea51010d, 0xfff101ff,
-   "uqrshll%c\t%17-19l, %9-11h, %12-15S"},
+   0xea51010d, 0xfff1017f,
+   "uqrshll%c\t%17-19l, %9-11h, %k, %12-15S"},
 
   {ARM_FEATURE_COPROC (FPU_MVE),
    MVE_UQRSHL,
@@ -3584,17 +3641,17 @@ static const struct opcode32 arm_opcodes[] =
   {ARM_FEATURE_CORE_LOW (ARM_EXT2_ATOMICS),
     0x01f00c9f, 0x0ff00fff, "ldah%c\t%12-15r, [%16-19R]"},
   /* CRC32 instructions.  */
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xe1000040, 0xfff00ff0, "crc32b\t%12-15R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xe1200040, 0xfff00ff0, "crc32h\t%12-15R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xe1400040, 0xfff00ff0, "crc32w\t%12-15R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xe1000240, 0xfff00ff0, "crc32cb\t%12-15R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xe1200240, 0xfff00ff0, "crc32ch\t%12-15R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xe1400240, 0xfff00ff0, "crc32cw\t%12-15R, %16-19R, %0-3R"},
 
   /* Privileged Access Never extension instructions.  */
@@ -4600,17 +4657,17 @@ static const struct opcode32 thumb32_opcodes[] =
     0xe8d000ff, 0xfff000ff, "ldaexd%c\t%12-15r, %8-11r, [%16-19R]"},
 
   /* CRC32 instructions.  */
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xfac0f080, 0xfff0f0f0, "crc32b\t%8-11R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xfac0f090, 0xfff0f0f0, "crc32h\t%9-11R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xfac0f0a0, 0xfff0f0f0, "crc32w\t%8-11R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xfad0f080, 0xfff0f0f0, "crc32cb\t%8-11R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xfad0f090, 0xfff0f0f0, "crc32ch\t%8-11R, %16-19R, %0-3R"},
-  {ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+  {ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
     0xfad0f0a0, 0xfff0f0f0, "crc32cw\t%8-11R, %16-19R, %0-3R"},
 
   /* Speculation Barriers.  */
@@ -5612,11 +5669,11 @@ is_mve_encoding_conflict (unsigned long given,
       {
        unsigned long cmode = arm_decode_field (given, 8, 11);
 
-       if ((cmode & 9) == 1)
+       if (cmode == 0xe)
          return TRUE;
-       else if ((cmode & 5) == 1)
+       else if ((cmode & 0x9) == 1)
          return TRUE;
-       else if ((cmode & 0xe) == 0xe)
+       else if ((cmode & 0xd) == 9)
          return TRUE;
        else
          return FALSE;
@@ -6103,6 +6160,12 @@ is_mve_undefined (unsigned long given, enum mve_instructions matched_insn,
       else
        return FALSE;
 
+    case MVE_VMOV_VEC_TO_VEC:
+      if ((arm_decode_field (given, 5, 5) == 1)
+         || (arm_decode_field (given, 22, 22) == 1))
+         return TRUE;
+      return FALSE;
+
     case MVE_VMOV_IMM_TO_VEC:
       if (arm_decode_field (given, 5, 5) == 0)
       {
@@ -7870,10 +7933,11 @@ print_vec_condition (struct disassemble_info *info, long given,
    recognised coprocessor instruction.  */
 
 static bfd_boolean
-print_insn_coprocessor (bfd_vma pc,
-                       struct disassemble_info *info,
-                       long given,
-                       bfd_boolean thumb)
+print_insn_coprocessor_1 (const struct sopcode32 *opcodes,
+                         bfd_vma pc,
+                         struct disassemble_info *info,
+                         long given,
+                         bfd_boolean thumb)
 {
   const struct sopcode32 *insn;
   void *stream = info->stream;
@@ -7889,7 +7953,7 @@ print_insn_coprocessor (bfd_vma pc,
 
   allowed_arches = private_data->features;
 
-  for (insn = coprocessor_opcodes; insn->assembler; insn++)
+  for (insn = opcodes; insn->assembler; insn++)
     {
       unsigned long u_reg = 16;
       bfd_boolean is_unpredictable = FALSE;
@@ -8133,6 +8197,8 @@ print_insn_coprocessor (bfd_vma pc,
                  if (cond != COND_UNCOND && cp_num == 9)
                    is_unpredictable = TRUE;
 
+                 /* Fall through.  */
+               case 'b':
                  func (stream, "%s", arm_conditional[cond]);
                  break;
 
@@ -8605,6 +8671,26 @@ print_insn_coprocessor (bfd_vma pc,
   return FALSE;
 }
 
+static bfd_boolean
+print_insn_coprocessor (bfd_vma pc,
+                       struct disassemble_info *info,
+                       long given,
+                       bfd_boolean thumb)
+{
+  return print_insn_coprocessor_1 (coprocessor_opcodes,
+                                  pc, info, given, thumb);
+}
+
+static bfd_boolean
+print_insn_generic_coprocessor (bfd_vma pc,
+                               struct disassemble_info *info,
+                               long given,
+                               bfd_boolean thumb)
+{
+  return print_insn_coprocessor_1 (generic_coprocessor_opcodes,
+                                  pc, info, given, thumb);
+}
+
 /* Decodes and prints ARM addressing modes.  Returns the offset
    used in the address, if any, if it is worthwhile printing the
    offset as a hexadecimal value in a comment at the end of the
@@ -8726,6 +8812,10 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb)
        }
       else if ((given & 0xff000000) == 0xf9000000)
        given ^= 0xf9000000 ^ 0xf4000000;
+      /* BFloat16 neon instructions without special top byte handling.  */
+      else if ((given & 0xff000000) == 0xfe000000
+              || (given & 0xff000000) == 0xfc000000)
+       ;
       /* vdup is also a valid neon instruction.  */
       else if ((given & 0xff910f5f) != 0xee800b10)
        return FALSE;
@@ -9213,6 +9303,13 @@ print_insn_mve (struct disassemble_info *info, long given)
          if (is_mve_undefined (given, insn->mve_op, &undefined_cond))
            is_undefined = TRUE;
 
+         /* In "VORR Qd, Qm, Qn", if Qm==Qn, VORR is nothing but VMOV,
+            i.e "VMOV Qd, Qm".  */
+         if ((insn->mve_op == MVE_VORR_REG)
+             && (arm_decode_field (given, 1, 3)
+                 == arm_decode_field (given, 17, 19)))
+           continue;
+
          for (c = insn->assembler; *c; c++)
            {
              if (*c == '%')
@@ -9254,6 +9351,11 @@ print_insn_mve (struct disassemble_info *info, long given)
                      }
                      break;
 
+                   case 'k':
+                     func (stream, "#%u",
+                           (arm_decode_field (given, 7, 7) == 0) ? 64 : 48);
+                     break;
+
                    case 'n':
                      print_vec_condition (info, given, insn->mve_op);
                      break;
@@ -9623,6 +9725,9 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given)
   if (print_insn_neon (info, given, FALSE))
     return;
 
+  if (print_insn_generic_coprocessor (pc, info, given, FALSE))
+    return;
+
   for (insn = arm_opcodes; insn->assembler; insn++)
     {
       if ((given & insn->mask) != insn->value)
@@ -10460,6 +10565,9 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given)
   if (is_mve && print_insn_mve (info, given))
     return;
 
+  if (print_insn_generic_coprocessor (pc, info, given, TRUE))
+    return;
+
   for (insn = thumb32_opcodes; insn->assembler; insn++)
     if ((given & insn->mask) == insn->value)
       {
@@ -11561,11 +11669,11 @@ select_arm_features (unsigned long mach,
     case bfd_mach_arm_7EM:      ARM_SET_FEATURES (ARM_ARCH_V7EM); break;
     case bfd_mach_arm_8:
        {
-         /* Add bits for extensions that Armv8.5-A recognizes.  */
-         arm_feature_set armv8_5_ext_fset
+         /* Add bits for extensions that Armv8.6-A recognizes.  */
+         arm_feature_set armv8_6_ext_fset
            = ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST);
-         ARM_SET_FEATURES (ARM_ARCH_V8_5A);
-         ARM_MERGE_FEATURE_SETS (arch_fset, arch_fset, armv8_5_ext_fset);
+         ARM_SET_FEATURES (ARM_ARCH_V8_6A);
+         ARM_MERGE_FEATURE_SETS (arch_fset, arch_fset, armv8_6_ext_fset);
          break;
        }
     case bfd_mach_arm_8R:       ARM_SET_FEATURES (ARM_ARCH_V8R); break;
@@ -11597,7 +11705,7 @@ static int
 print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little)
 {
   unsigned char b[4];
-  long         given;
+  unsigned long given;
   int           status;
   int           is_thumb = FALSE;
   int           is_data = FALSE;
@@ -11777,9 +11885,9 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little)
 
       status = info->read_memory_func (pc, (bfd_byte *) b, 4, info);
       if (little_code)
-       given = (b[0]) | (b[1] << 8) | (b[2] << 16) | (b[3] << 24);
+       given = (b[0]) | (b[1] << 8) | (b[2] << 16) | ((unsigned) b[3] << 24);
       else
-       given = (b[3]) | (b[2] << 8) | (b[1] << 16) | (b[0] << 24);
+       given = (b[3]) | (b[2] << 8) | (b[1] << 16) | ((unsigned) b[0] << 24);
     }
   else
     {
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