]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blobdiff - include/opcode/arm.h
Update year range in copyright notice of binutils files
[thirdparty/binutils-gdb.git] / include / opcode / arm.h
index 851fd3c859ef6d51c468e195f1c30ffe5852ec99..03a80712c0a02c5a064d8568054753d1b03d94a2 100644 (file)
@@ -1,5 +1,5 @@
 /* ARM assembler/disassembler support.
-   Copyright 2004, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2004-2021 Free Software Foundation, Inc.
 
    This file is part of GDB and GAS.
 
    MA 02110-1301, USA.  */
 
 /* The following bitmasks control CPU extensions:  */
-#define ARM_EXT_V1      0x00000001     /* All processors (core set).  */
-#define ARM_EXT_V2      0x00000002     /* Multiply instructions.  */
-#define ARM_EXT_V2S     0x00000004     /* SWP instructions.       */
-#define ARM_EXT_V3      0x00000008     /* MSR MRS.                */
-#define ARM_EXT_V3M     0x00000010     /* Allow long multiplies.  */
-#define ARM_EXT_V4      0x00000020     /* Allow half word loads.  */
-#define ARM_EXT_V4T     0x00000040     /* Thumb.                  */
-#define ARM_EXT_V5      0x00000080     /* Allow CLZ, etc.         */
-#define ARM_EXT_V5T     0x00000100     /* Improved interworking.  */
-#define ARM_EXT_V5ExP   0x00000200     /* DSP core set.           */
-#define ARM_EXT_V5E     0x00000400     /* DSP Double transfers.   */
-#define ARM_EXT_V5J     0x00000800     /* Jazelle extension.      */
-#define ARM_EXT_V6       0x00001000     /* ARM V6.                 */
-#define ARM_EXT_V6K      0x00002000     /* ARM V6K.                */
-/*                      0x00004000        Was ARM V6Z.            */
-#define ARM_EXT_V8      0x00004000     /* is now ARMv8.           */
-#define ARM_EXT_V6T2    0x00008000     /* Thumb-2.                */
-#define ARM_EXT_DIV     0x00010000     /* Integer division.       */
+#define ARM_EXT_V1          0x00000001 /* All processors (core set).        */
+#define ARM_EXT_V2          0x00000002 /* Multiply instructions.            */
+#define ARM_EXT_V2S         0x00000004 /* SWP instructions.                 */
+#define ARM_EXT_V3          0x00000008 /* MSR MRS.                          */
+#define ARM_EXT_V3M         0x00000010 /* Allow long multiplies.            */
+#define ARM_EXT_V4          0x00000020 /* Allow half word loads.            */
+#define ARM_EXT_V4T         0x00000040 /* Thumb.                            */
+#define ARM_EXT_V5          0x00000080 /* Allow CLZ, etc.                   */
+#define ARM_EXT_V5T         0x00000100 /* Improved interworking.            */
+#define ARM_EXT_V5ExP       0x00000200 /* DSP core set.                     */
+#define ARM_EXT_V5E         0x00000400 /* DSP Double transfers.             */
+#define ARM_EXT_V5J         0x00000800 /* Jazelle extension.                */
+#define ARM_EXT_V6          0x00001000 /* ARM V6.                           */
+#define ARM_EXT_V6K         0x00002000 /* ARM V6K.                          */
+#define ARM_EXT_V8          0x00004000 /* ARMv8 w/o atomics.                */
+#define ARM_EXT_V6T2        0x00008000 /* Thumb-2.                          */
+#define ARM_EXT_DIV         0x00010000 /* Integer division.                 */
 /* The 'M' in Arm V7M stands for Microcontroller.
    On earlier architecture variants it stands for Multiply.  */
-#define ARM_EXT_V5E_NOTM 0x00020000    /* Arm V5E but not Arm V7M. */
-#define ARM_EXT_V6_NOTM         0x00040000     /* Arm V6 but not Arm V7M. */
-#define ARM_EXT_V7      0x00080000     /* Arm V7.                 */
-#define ARM_EXT_V7A     0x00100000     /* Arm V7A.                */
-#define ARM_EXT_V7R     0x00200000     /* Arm V7R.                */
-#define ARM_EXT_V7M     0x00400000     /* Arm V7M.                */
-#define ARM_EXT_V6M     0x00800000     /* ARM V6M.                 */
-#define ARM_EXT_BARRIER         0x01000000     /* DSB/DMB/ISB.             */
-#define ARM_EXT_THUMB_MSR 0x02000000   /* Thumb MSR/MRS.           */
-#define ARM_EXT_V6_DSP 0x04000000      /* ARM v6 (DSP-related),
-                                          not in v7-M.  */
-#define ARM_EXT_MP       0x08000000     /* Multiprocessing Extensions.  */
-#define ARM_EXT_SEC     0x10000000     /* Security extensions.  */
-#define ARM_EXT_OS      0x20000000     /* OS Extensions.  */
-#define ARM_EXT_ADIV    0x40000000     /* Integer divide extensions in ARM 
-                                          state.  */
-#define ARM_EXT_VIRT    0x80000000     /* Virtualization extensions.  */
+#define ARM_EXT_V5E_NOTM     0x00020000        /* Arm V5E but not Arm V7M.          */
+#define ARM_EXT_V6_NOTM             0x00040000 /* Arm V6 but not Arm V7M.           */
+#define ARM_EXT_V7          0x00080000 /* Arm V7.                           */
+#define ARM_EXT_V7A         0x00100000 /* Arm V7A.                          */
+#define ARM_EXT_V7R         0x00200000 /* Arm V7R.                          */
+#define ARM_EXT_V7M         0x00400000 /* Arm V7M.                          */
+#define ARM_EXT_V6M         0x00800000 /* ARM V6M.                          */
+#define ARM_EXT_BARRIER             0x01000000 /* DSB/DMB/ISB.                      */
+#define ARM_EXT_THUMB_MSR    0x02000000        /* Thumb MSR/MRS.                    */
+#define ARM_EXT_V6_DSP      0x04000000 /* ARM v6 (DSP-related),
+                                          not in v7-M.                      */
+#define ARM_EXT_MP          0x08000000 /* Multiprocessing Extensions.       */
+#define ARM_EXT_SEC         0x10000000 /* Security extensions.              */
+#define ARM_EXT_OS          0x20000000 /* OS Extensions.                    */
+#define ARM_EXT_ADIV        0x40000000 /* Integer divide extensions in ARM
+                                          state.                            */
+#define ARM_EXT_VIRT        0x80000000 /* Virtualization extensions.        */
+
+#define ARM_EXT2_PAN        0x00000001 /* PAN extension.                    */
+#define ARM_EXT2_V8_2A      0x00000002 /* ARM V8.2A.                        */
+#define ARM_EXT2_V8M        0x00000004 /* ARM V8M.                          */
+#define ARM_EXT2_ATOMICS     0x00000008        /* ARMv8 atomics.                    */
+#define ARM_EXT2_V6T2_V8M    0x00000010        /* V8M Baseline from V6T2.           */
+#define ARM_EXT2_FP16_INST   0x00000020        /* ARM V8.2A FP16 instructions.      */
+#define ARM_EXT2_V8M_MAIN    0x00000040        /* ARMv8-M Mainline.                 */
+#define ARM_EXT2_RAS        0x00000080 /* RAS extension.                    */
+#define ARM_EXT2_V8_3A      0x00000100 /* ARM V8.3A.                        */
+#define ARM_EXT2_V8A        0x00000200 /* ARMv8-A.                          */
+#define ARM_EXT2_V8_4A      0x00000400 /* ARM V8.4A.                        */
+#define ARM_EXT2_FP16_FML    0x00000800        /* ARM V8.2A FP16-FML
+                                          instructions.                     */
+#define ARM_EXT2_V8_5A      0x00001000 /* ARM V8.5A.                        */
+#define ARM_EXT2_SB         0x00002000 /* Speculation Barrier instruction.  */
+#define ARM_EXT2_PREDRES     0x00004000        /* Prediction Restriction insns.     */
+#define ARM_EXT2_V8_1M_MAIN  0x00008000 /* ARMv8.1-M Mainline.              */
+#define ARM_EXT2_V8_6A      0x00010000 /* ARM V8.6A.                        */
+#define ARM_EXT2_BF16       0x00020000 /* ARMv8 bfloat16.                   */
+#define ARM_EXT2_I8MM       0x00040000 /* ARMv8.6A i8mm.                    */
+#define ARM_EXT2_CRC        0x00080000 /* ARMv8 CRC32 */
+#define ARM_EXT2_MVE        0x00100000 /* MVE Integer extension.          */
+#define ARM_EXT2_MVE_FP             0x00200000 /* MVE Floating Point extension.   */
+#define ARM_EXT2_CDE        0x00400000 /* Custom Datapath Extension.      */
+#define ARM_EXT2_CDE0       0x00800000 /* Using CDE coproc 0.     */
+#define ARM_EXT2_CDE1       0x01000000 /* Using CDE coproc 1.     */
+#define ARM_EXT2_CDE2       0x02000000 /* Using CDE coproc 2.     */
+#define ARM_EXT2_CDE3       0x04000000 /* Using CDE coproc 3.     */
+#define ARM_EXT2_CDE4       0x08000000 /* Using CDE coproc 4.     */
+#define ARM_EXT2_CDE5       0x10000000 /* Using CDE coproc 5.     */
+#define ARM_EXT2_CDE6       0x20000000 /* Using CDE coproc 6.     */
+#define ARM_EXT2_CDE7       0x40000000 /* Using CDE coproc 7.     */
+#define ARM_EXT2_V8R        0x80000000 /* Arm V8R.                    */
 
 /* Co-processor space extensions.  */
-#define ARM_CEXT_XSCALE   0x00000001   /* Allow MIA etc.          */
-#define ARM_CEXT_MAVERICK 0x00000002   /* Use Cirrus/DSP coprocessor.  */
-#define ARM_CEXT_IWMMXT   0x00000004    /* Intel Wireless MMX technology coprocessor.   */
-#define ARM_CEXT_IWMMXT2  0x00000008    /* Intel Wireless MMX technology coprocessor version 2.   */
-
-#define FPU_ENDIAN_PURE         0x80000000     /* Pure-endian doubles.       */
-#define FPU_ENDIAN_BIG  0              /* Double words-big-endian.   */
-#define FPU_FPA_EXT_V1  0x40000000     /* Base FPA instruction set.  */
-#define FPU_FPA_EXT_V2  0x20000000     /* LFM/SFM.                   */
-#define FPU_MAVERICK    0x10000000     /* Cirrus Maverick.           */
-#define FPU_VFP_EXT_V1xD 0x08000000    /* Base VFP instruction set.  */
-#define FPU_VFP_EXT_V1  0x04000000     /* Double-precision insns.    */
-#define FPU_VFP_EXT_V2  0x02000000     /* ARM10E VFPr1.              */
-#define FPU_VFP_EXT_V3xD 0x01000000    /* VFPv3 single-precision.    */
-#define FPU_VFP_EXT_V3  0x00800000     /* VFPv3 double-precision.    */
-#define FPU_NEON_EXT_V1         0x00400000     /* Neon (SIMD) insns.         */
-#define FPU_VFP_EXT_D32  0x00200000    /* Registers D16-D31.         */
-#define FPU_VFP_EXT_FP16 0x00100000    /* Half-precision extensions. */
-#define FPU_NEON_EXT_FMA 0x00080000    /* Neon fused multiply-add    */
-#define FPU_VFP_EXT_FMA         0x00040000     /* VFP fused multiply-add     */
-#define FPU_VFP_EXT_ARMV8 0x00020000   /* FP for ARMv8.  */
-#define FPU_NEON_EXT_ARMV8 0x00010000  /* Neon for ARMv8.  */
-#define FPU_CRYPTO_EXT_ARMV8 0x00008000        /* Crypto for ARMv8.  */
-#define CRC_EXT_ARMV8   0x00004000     /* CRC32 for ARMv8.  */
+#define ARM_CEXT_XSCALE             0x00000001 /* Allow MIA etc.                  */
+#define ARM_CEXT_MAVERICK    0x00000002        /* Use Cirrus/DSP coprocessor.     */
+#define ARM_CEXT_IWMMXT             0x00000004 /* Intel Wireless MMX technology
+                                          coprocessor.                    */
+#define ARM_CEXT_IWMMXT2     0x00000008 /* Intel Wireless MMX technology
+                                          coprocessor version 2.          */
+
+#define FPU_ENDIAN_PURE             0x80000000 /* Pure-endian doubles.            */
+#define FPU_FPA_EXT_V1      0x40000000 /* Base FPA instruction set.       */
+#define FPU_FPA_EXT_V2      0x20000000 /* LFM/SFM.                        */
+#define FPU_MAVERICK        0x10000000 /* Cirrus Maverick.                */
+#define FPU_VFP_EXT_V1xD     0x08000000        /* Base VFP instruction set.       */
+#define FPU_VFP_EXT_V1      0x04000000 /* Double-precision insns.         */
+#define FPU_VFP_EXT_V2      0x02000000 /* ARM10E VFPr1.                   */
+#define FPU_VFP_EXT_V3xD     0x01000000        /* VFPv3 single-precision.         */
+#define FPU_VFP_EXT_V3      0x00800000 /* VFPv3 double-precision.         */
+#define FPU_NEON_EXT_V1             0x00400000 /* Neon (SIMD) insns.              */
+#define FPU_VFP_EXT_D32             0x00200000 /* Registers D16-D31.              */
+#define FPU_VFP_EXT_FP16     0x00100000        /* Half-precision extensions.      */
+#define FPU_NEON_EXT_FMA     0x00080000        /* Neon fused multiply-add.        */
+#define FPU_VFP_EXT_FMA             0x00040000 /* VFP fused multiply-add.         */
+#define FPU_VFP_EXT_ARMV8    0x00020000        /* Double-precision FP for ARMv8.  */
+#define FPU_NEON_EXT_ARMV8   0x00010000        /* Neon for ARMv8.                 */
+#define FPU_CRYPTO_EXT_ARMV8 0x00008000        /* Crypto for ARMv8.               */
+/* Unused                    0x00004000        */
+#define FPU_VFP_EXT_ARMV8xD  0x00002000        /* Single-precision FP for ARMv8.  */
+#define FPU_NEON_EXT_RDMA    0x00001000        /* v8.1 Adv.SIMD extensions.       */
+#define FPU_NEON_EXT_DOTPROD 0x00000800        /* Dot Product extension.          */
 
 /* Architectures are the sum of the base and extensions.  The ARM ARM (rev E)
    defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T,
    ARMv5xM, ARMv5, ARMv5TxM, ARMv5T, ARMv5TExP, ARMv5TE.  To these we add
    three more to cover cores prior to ARM6.  Finally, there are cores which
    implement further extensions in the co-processor space.  */
-#define ARM_AEXT_V1                      ARM_EXT_V1
-#define ARM_AEXT_V2    (ARM_AEXT_V1    | ARM_EXT_V2)
-#define ARM_AEXT_V2S   (ARM_AEXT_V2    | ARM_EXT_V2S)
-#define ARM_AEXT_V3    (ARM_AEXT_V2S   | ARM_EXT_V3)
-#define ARM_AEXT_V3M   (ARM_AEXT_V3    | ARM_EXT_V3M)
-#define ARM_AEXT_V4xM  (ARM_AEXT_V3    | ARM_EXT_V4)
-#define ARM_AEXT_V4    (ARM_AEXT_V3M   | ARM_EXT_V4)
-#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM  | ARM_EXT_V4T)
-#define ARM_AEXT_V4T   (ARM_AEXT_V4    | ARM_EXT_V4T)
-#define ARM_AEXT_V5xM  (ARM_AEXT_V4xM  | ARM_EXT_V5)
-#define ARM_AEXT_V5    (ARM_AEXT_V4    | ARM_EXT_V5)
-#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM  | ARM_EXT_V4T | ARM_EXT_V5T)
-#define ARM_AEXT_V5T   (ARM_AEXT_V5    | ARM_EXT_V4T | ARM_EXT_V5T)
-#define ARM_AEXT_V5TExP        (ARM_AEXT_V5T   | ARM_EXT_V5ExP)
-#define ARM_AEXT_V5TE  (ARM_AEXT_V5TExP | ARM_EXT_V5E)
-#define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE  | ARM_EXT_V5J)
-#define ARM_AEXT_V6     (ARM_AEXT_V5TEJ | ARM_EXT_V6)
-#define ARM_AEXT_V6K    (ARM_AEXT_V6    | ARM_EXT_V6K)
-#define ARM_AEXT_V6Z    (ARM_AEXT_V6K  | ARM_EXT_SEC)
-#define ARM_AEXT_V6ZK   (ARM_AEXT_V6K  | ARM_EXT_SEC)
-#define ARM_AEXT_V6T2   (ARM_AEXT_V6 \
-    | ARM_EXT_V6T2 | ARM_EXT_V6_NOTM | ARM_EXT_THUMB_MSR \
-    | ARM_EXT_V6_DSP )
-#define ARM_AEXT_V6KT2  (ARM_AEXT_V6T2 | ARM_EXT_V6K)
-#define ARM_AEXT_V6ZT2  (ARM_AEXT_V6T2 | ARM_EXT_SEC)
-#define ARM_AEXT_V6ZKT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K | ARM_EXT_SEC)
-#define ARM_AEXT_V7_ARM        (ARM_AEXT_V6KT2 | ARM_EXT_V7 | ARM_EXT_BARRIER)
-#define ARM_AEXT_V7A   (ARM_AEXT_V7_ARM | ARM_EXT_V7A)
-#define ARM_AEXT_V7R   (ARM_AEXT_V7_ARM | ARM_EXT_V7R | ARM_EXT_DIV)
-#define ARM_AEXT_NOTM \
-  (ARM_AEXT_V4 | ARM_EXT_V5ExP | ARM_EXT_V5J | ARM_EXT_V6_NOTM \
-   | ARM_EXT_V6_DSP )
-#define ARM_AEXT_V6M_ONLY \
-  ((ARM_EXT_BARRIER | ARM_EXT_V6M | ARM_EXT_THUMB_MSR) & ~(ARM_AEXT_NOTM))
-#define ARM_AEXT_V6M \
-  ((ARM_AEXT_V6K | ARM_AEXT_V6M_ONLY) & ~(ARM_AEXT_NOTM))
-#define ARM_AEXT_V6SM (ARM_AEXT_V6M | ARM_EXT_OS)
-#define ARM_AEXT_V7M \
-  ((ARM_AEXT_V7_ARM | ARM_EXT_V6M | ARM_EXT_V7M | ARM_EXT_DIV) \
-   & ~(ARM_AEXT_NOTM))
-#define ARM_AEXT_V7 (ARM_AEXT_V7A & ARM_AEXT_V7R & ARM_AEXT_V7M)
-#define ARM_AEXT_V7EM \
-  (ARM_AEXT_V7M | ARM_EXT_V5ExP | ARM_EXT_V6_DSP)
-#define ARM_AEXT_V8A \
-  (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC | ARM_EXT_DIV | ARM_EXT_ADIV \
-   | ARM_EXT_VIRT | ARM_EXT_V8)
+#define ARM_AEXT_V1                         ARM_EXT_V1
+#define ARM_AEXT_V2    (ARM_AEXT_V1       | ARM_EXT_V2)
+#define ARM_AEXT_V2S   (ARM_AEXT_V2       | ARM_EXT_V2S)
+#define ARM_AEXT_V3    (ARM_AEXT_V2S      | ARM_EXT_V3)
+#define ARM_AEXT_V3M   (ARM_AEXT_V3       | ARM_EXT_V3M)
+#define ARM_AEXT_V4xM  (ARM_AEXT_V3       | ARM_EXT_V4)
+#define ARM_AEXT_V4    (ARM_AEXT_V3M      | ARM_EXT_V4)
+#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM     | ARM_EXT_V4T    | ARM_EXT_OS)
+#define ARM_AEXT_V4T   (ARM_AEXT_V4       | ARM_EXT_V4T    | ARM_EXT_OS)
+#define ARM_AEXT_V5xM  (ARM_AEXT_V4xM     | ARM_EXT_V5)
+#define ARM_AEXT_V5    (ARM_AEXT_V4       | ARM_EXT_V5)
+#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM     | ARM_EXT_V4T    | ARM_EXT_V5T     \
+                                          | ARM_EXT_OS)
+#define ARM_AEXT_V5T   (ARM_AEXT_V5       | ARM_EXT_V4T    | ARM_EXT_V5T     \
+                                          | ARM_EXT_OS)
+#define ARM_AEXT_V5TExP        (ARM_AEXT_V5T      | ARM_EXT_V5ExP)
+#define ARM_AEXT_V5TE  (ARM_AEXT_V5TExP   | ARM_EXT_V5E)
+#define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE     | ARM_EXT_V5J)
+#define ARM_AEXT_V6    (ARM_AEXT_V5TEJ    | ARM_EXT_V6)
+#define ARM_AEXT_V6K   (ARM_AEXT_V6       | ARM_EXT_V6K)
+#define ARM_AEXT_V6Z   (ARM_AEXT_V6K      | ARM_EXT_SEC)
+#define ARM_AEXT_V6KZ  (ARM_AEXT_V6K      | ARM_EXT_SEC)
+#define ARM_AEXT_V6T2  (ARM_AEXT_V6       | ARM_EXT_V6T2   | ARM_EXT_V6_NOTM \
+                                          | ARM_EXT_THUMB_MSR \
+                                          | ARM_EXT_V6_DSP )
+#define ARM_AEXT_V6KT2 (ARM_AEXT_V6T2     | ARM_EXT_V6K)
+#define ARM_AEXT_V6ZT2 (ARM_AEXT_V6T2     | ARM_EXT_SEC)
+#define ARM_AEXT_V6KZT2        (ARM_AEXT_V6T2     | ARM_EXT_V6K    | ARM_EXT_SEC)
+#define ARM_AEXT_V7_ARM        (ARM_AEXT_V6KT2    | ARM_EXT_V7     | ARM_EXT_BARRIER)
+#define ARM_AEXT_V7A   (ARM_AEXT_V7_ARM   | ARM_EXT_V7A)
+#define ARM_AEXT_V7VE  (ARM_AEXT_V7A      | ARM_EXT_DIV    | ARM_EXT_ADIV    \
+                                          | ARM_EXT_VIRT   | ARM_EXT_SEC     \
+                                          | ARM_EXT_MP)
+#define ARM_AEXT_V7R   (ARM_AEXT_V7_ARM   | ARM_EXT_V7R    | ARM_EXT_DIV)
+#define ARM_AEXT_NOTM  (ARM_AEXT_V4       | ARM_EXT_V5ExP  | ARM_EXT_V5J     \
+                                          | ARM_EXT_V6_DSP                   \
+                                          | ARM_EXT_V6_NOTM)
+#define ARM_AEXT_V6M   ((ARM_AEXT_V6K     | ARM_EXT_V6M    | ARM_EXT_BARRIER \
+                                          | ARM_EXT_THUMB_MSR)               \
+                       & ~(ARM_AEXT_NOTM | ARM_EXT_OS))
+#define ARM_AEXT_V6SM  (ARM_AEXT_V6M      | ARM_EXT_OS)
+#define ARM_AEXT_V7M   ((ARM_AEXT_V7_ARM   | ARM_EXT_V6M    | ARM_EXT_V7M     \
+                                          | ARM_EXT_DIV)                     \
+                       & ~ARM_AEXT_NOTM)
+#define ARM_AEXT_V7    (ARM_AEXT_V7A      & ARM_AEXT_V7R   & ARM_AEXT_V7M)
+#define ARM_AEXT_V7EM  (ARM_AEXT_V7M      | ARM_EXT_V5ExP  | ARM_EXT_V6_DSP)
+#define ARM_AEXT_V8A   (ARM_AEXT_V7A      | ARM_EXT_MP     | ARM_EXT_SEC     \
+                                          | ARM_EXT_DIV    | ARM_EXT_ADIV    \
+                                          | ARM_EXT_VIRT   | ARM_EXT_V8)
+#define ARM_AEXT2_V8AR (ARM_EXT2_V6T2_V8M | ARM_EXT2_ATOMICS)
+#define ARM_AEXT2_V8A  (ARM_AEXT2_V8AR    | ARM_EXT2_V8A)
+#define ARM_AEXT2_V8_1A        (ARM_AEXT2_V8A     | ARM_EXT2_PAN)
+#define ARM_AEXT2_V8_2A        (ARM_AEXT2_V8_1A   | ARM_EXT2_V8_2A | ARM_EXT2_RAS)
+#define ARM_AEXT2_V8_3A        (ARM_AEXT2_V8_2A   | ARM_EXT2_V8_3A)
+#define ARM_AEXT2_V8_4A        (ARM_AEXT2_V8_3A   | ARM_EXT2_FP16_FML                \
+                                          | ARM_EXT2_V8_4A)
+#define ARM_AEXT2_V8_5A        (ARM_AEXT2_V8_4A   | ARM_EXT2_V8_5A | ARM_EXT2_SB     \
+                                          | ARM_EXT2_PREDRES)
+#define ARM_AEXT2_V8_6A        (ARM_AEXT2_V8_5A   | ARM_EXT2_V8_6A | ARM_EXT2_BF16)
+#define ARM_AEXT_V8M_BASE      (ARM_AEXT_V6SM      | ARM_EXT_DIV)
+#define ARM_AEXT_V8M_MAIN       ARM_AEXT_V7M
+#define ARM_AEXT_V8M_MAIN_DSP   ARM_AEXT_V7EM
+#define ARM_AEXT2_V8M_BASE     (ARM_EXT2_V8M       | ARM_EXT2_ATOMICS        \
+                                                   | ARM_EXT2_V6T2_V8M)
+#define ARM_AEXT2_V8M_MAIN     (ARM_AEXT2_V8M_BASE | ARM_EXT2_V8M_MAIN)
+#define ARM_AEXT2_V8M_MAIN_DSP  ARM_AEXT2_V8M_MAIN
+#define ARM_AEXT_V8R            ARM_AEXT_V8A
+#define ARM_AEXT2_V8R           (ARM_EXT2_V8R | ARM_AEXT2_V8AR)
+#define ARM_AEXT_V8_1M_MAIN     ARM_AEXT_V8M_MAIN
+#define ARM_AEXT2_V8_1M_MAIN   (ARM_AEXT2_V8M_MAIN | ARM_EXT2_V8_1M_MAIN     \
+                                                   | ARM_EXT2_FP16_INST)
 
 /* Processors with specific extensions in the co-processor space.  */
-#define ARM_ARCH_XSCALE        ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
+#define ARM_ARCH_XSCALE        ARM_FEATURE_LOW (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
 #define ARM_ARCH_IWMMXT        \
- ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT)
+ ARM_FEATURE_LOW (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT)
 #define ARM_ARCH_IWMMXT2       \
- ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT | ARM_CEXT_IWMMXT2)
-
-#define FPU_VFP_V1xD   (FPU_VFP_EXT_V1xD | FPU_ENDIAN_PURE)
-#define FPU_VFP_V1     (FPU_VFP_V1xD | FPU_VFP_EXT_V1)
-#define FPU_VFP_V2     (FPU_VFP_V1 | FPU_VFP_EXT_V2)
-#define FPU_VFP_V3D16  (FPU_VFP_V2 | FPU_VFP_EXT_V3xD | FPU_VFP_EXT_V3)
-#define FPU_VFP_V3     (FPU_VFP_V3D16 | FPU_VFP_EXT_D32)
-#define FPU_VFP_V3xD   (FPU_VFP_V1xD | FPU_VFP_EXT_V2 | FPU_VFP_EXT_V3xD)
-#define FPU_VFP_V4D16  (FPU_VFP_V3D16 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
-#define FPU_VFP_V4     (FPU_VFP_V3 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
-#define FPU_VFP_V4_SP_D16 (FPU_VFP_V3xD | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
-#define FPU_VFP_ARMV8  (FPU_VFP_V4 | FPU_VFP_EXT_ARMV8)
-#define FPU_NEON_ARMV8 (FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA | FPU_NEON_EXT_ARMV8)
-#define FPU_CRYPTO_ARMV8 (FPU_CRYPTO_EXT_ARMV8)
-#define FPU_VFP_HARD   (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_V1 | FPU_VFP_EXT_V2 \
-                        | FPU_VFP_EXT_V3xD | FPU_VFP_EXT_FMA | FPU_NEON_EXT_FMA \
-                         | FPU_VFP_EXT_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_D32)
-#define FPU_FPA                (FPU_FPA_EXT_V1 | FPU_FPA_EXT_V2)
+ ARM_FEATURE_LOW (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT \
+                 | ARM_CEXT_IWMMXT2)
+
+#define FPU_VFP_V1xD     (FPU_VFP_EXT_V1xD  | FPU_ENDIAN_PURE)
+#define FPU_VFP_V1       (FPU_VFP_V1xD      | FPU_VFP_EXT_V1)
+#define FPU_VFP_V2       (FPU_VFP_V1        | FPU_VFP_EXT_V2)
+#define FPU_VFP_V3D16    (FPU_VFP_V2        | FPU_VFP_EXT_V3xD    \
+                                            | FPU_VFP_EXT_V3)
+#define FPU_VFP_V3       (FPU_VFP_V3D16     | FPU_VFP_EXT_D32)
+#define FPU_VFP_V3xD     (FPU_VFP_V1xD      | FPU_VFP_EXT_V2      \
+                                            | FPU_VFP_EXT_V3xD)
+#define FPU_VFP_V4D16    (FPU_VFP_V3D16     | FPU_VFP_EXT_FP16    \
+                                            | FPU_VFP_EXT_FMA)
+#define FPU_VFP_V4       (FPU_VFP_V3        | FPU_VFP_EXT_FP16    \
+                                            | FPU_VFP_EXT_FMA)
+#define FPU_VFP_V4_SP_D16 (FPU_VFP_V3xD             | FPU_VFP_EXT_FP16    \
+                                            | FPU_VFP_EXT_FMA)
+#define FPU_VFP_V5D16    (FPU_VFP_V4D16     | FPU_VFP_EXT_ARMV8xD \
+                                            | FPU_VFP_EXT_ARMV8)
+#define FPU_VFP_V5_SP_D16 (FPU_VFP_V4_SP_D16 | FPU_VFP_EXT_ARMV8xD)
+#define FPU_VFP_ARMV8    (FPU_VFP_V4        | FPU_VFP_EXT_ARMV8   \
+                                            | FPU_VFP_EXT_ARMV8xD)
+#define FPU_NEON_ARMV8   (FPU_NEON_EXT_V1   | FPU_NEON_EXT_FMA    \
+                                            | FPU_NEON_EXT_ARMV8)
+#define FPU_NEON_ARMV8_1  (FPU_NEON_ARMV8    | FPU_NEON_EXT_RDMA)
+#define FPU_CRYPTO_ARMV8  (FPU_CRYPTO_EXT_ARMV8)
+#define FPU_VFP_HARD     (FPU_VFP_EXT_V1xD  | FPU_VFP_EXT_V1      \
+                                            | FPU_VFP_EXT_V2      \
+                                            | FPU_VFP_EXT_V3xD    \
+                                            | FPU_VFP_EXT_FMA     \
+                                            | FPU_NEON_EXT_FMA    \
+                                            | FPU_VFP_EXT_V3      \
+                                            | FPU_NEON_EXT_V1     \
+                                            | FPU_VFP_EXT_D32)
+#define FPU_FPA                  (FPU_FPA_EXT_V1    | FPU_FPA_EXT_V2)
 
 /* Deprecated.  */
-#define FPU_ARCH_VFP   ARM_FEATURE (0, FPU_ENDIAN_PURE)
-
-#define FPU_ARCH_FPE   ARM_FEATURE (0, FPU_FPA_EXT_V1)
-#define FPU_ARCH_FPA   ARM_FEATURE (0, FPU_FPA)
-
-#define FPU_ARCH_VFP_V1xD ARM_FEATURE (0, FPU_VFP_V1xD)
-#define FPU_ARCH_VFP_V1          ARM_FEATURE (0, FPU_VFP_V1)
-#define FPU_ARCH_VFP_V2          ARM_FEATURE (0, FPU_VFP_V2)
-#define FPU_ARCH_VFP_V3D16     ARM_FEATURE (0, FPU_VFP_V3D16)
-#define FPU_ARCH_VFP_V3D16_FP16 \
-  ARM_FEATURE (0, FPU_VFP_V3D16 | FPU_VFP_EXT_FP16)
-#define FPU_ARCH_VFP_V3          ARM_FEATURE (0, FPU_VFP_V3)
-#define FPU_ARCH_VFP_V3_FP16   ARM_FEATURE (0, FPU_VFP_V3 | FPU_VFP_EXT_FP16)
-#define FPU_ARCH_VFP_V3xD      ARM_FEATURE (0, FPU_VFP_V3xD)
-#define FPU_ARCH_VFP_V3xD_FP16 ARM_FEATURE (0, FPU_VFP_V3xD | FPU_VFP_EXT_FP16)
-#define FPU_ARCH_NEON_V1  ARM_FEATURE (0, FPU_NEON_EXT_V1)
-#define FPU_ARCH_VFP_V3_PLUS_NEON_V1 \
-  ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1)
-#define FPU_ARCH_NEON_FP16 \
-  ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_FP16)
-#define FPU_ARCH_VFP_HARD ARM_FEATURE (0, FPU_VFP_HARD)
-#define FPU_ARCH_VFP_V4 ARM_FEATURE(0, FPU_VFP_V4)
-#define FPU_ARCH_VFP_V4D16 ARM_FEATURE(0, FPU_VFP_V4D16)
-#define FPU_ARCH_VFP_V4_SP_D16 ARM_FEATURE(0, FPU_VFP_V4_SP_D16)
-#define FPU_ARCH_NEON_VFP_V4 \
-  ARM_FEATURE(0, FPU_VFP_V4 | FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA)
-#define FPU_ARCH_VFP_ARMV8 ARM_FEATURE(0, FPU_VFP_ARMV8)
-#define FPU_ARCH_NEON_VFP_ARMV8 ARM_FEATURE(0, FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
-#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8 \
-  ARM_FEATURE(0, FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
-#define ARCH_CRC_ARMV8 ARM_FEATURE(0, CRC_EXT_ARMV8)
-
-#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE)
-
-#define FPU_ARCH_MAVERICK ARM_FEATURE (0, FPU_MAVERICK)
-
-#define ARM_ARCH_V1    ARM_FEATURE (ARM_AEXT_V1, 0)
-#define ARM_ARCH_V2    ARM_FEATURE (ARM_AEXT_V2, 0)
-#define ARM_ARCH_V2S   ARM_FEATURE (ARM_AEXT_V2S, 0)
-#define ARM_ARCH_V3    ARM_FEATURE (ARM_AEXT_V3, 0)
-#define ARM_ARCH_V3M   ARM_FEATURE (ARM_AEXT_V3M, 0)
-#define ARM_ARCH_V4xM  ARM_FEATURE (ARM_AEXT_V4xM, 0)
-#define ARM_ARCH_V4    ARM_FEATURE (ARM_AEXT_V4, 0)
-#define ARM_ARCH_V4TxM ARM_FEATURE (ARM_AEXT_V4TxM, 0)
-#define ARM_ARCH_V4T   ARM_FEATURE (ARM_AEXT_V4T, 0)
-#define ARM_ARCH_V5xM  ARM_FEATURE (ARM_AEXT_V5xM, 0)
-#define ARM_ARCH_V5    ARM_FEATURE (ARM_AEXT_V5, 0)
-#define ARM_ARCH_V5TxM ARM_FEATURE (ARM_AEXT_V5TxM, 0)
-#define ARM_ARCH_V5T   ARM_FEATURE (ARM_AEXT_V5T, 0)
-#define ARM_ARCH_V5TExP        ARM_FEATURE (ARM_AEXT_V5TExP, 0)
-#define ARM_ARCH_V5TE  ARM_FEATURE (ARM_AEXT_V5TE, 0)
-#define ARM_ARCH_V5TEJ ARM_FEATURE (ARM_AEXT_V5TEJ, 0)
-#define ARM_ARCH_V6    ARM_FEATURE (ARM_AEXT_V6, 0)
-#define ARM_ARCH_V6K   ARM_FEATURE (ARM_AEXT_V6K, 0)
-#define ARM_ARCH_V6Z   ARM_FEATURE (ARM_AEXT_V6Z, 0)
-#define ARM_ARCH_V6ZK  ARM_FEATURE (ARM_AEXT_V6ZK, 0)
-#define ARM_ARCH_V6T2  ARM_FEATURE (ARM_AEXT_V6T2, 0)
-#define ARM_ARCH_V6KT2 ARM_FEATURE (ARM_AEXT_V6KT2, 0)
-#define ARM_ARCH_V6ZT2 ARM_FEATURE (ARM_AEXT_V6ZT2, 0)
-#define ARM_ARCH_V6ZKT2        ARM_FEATURE (ARM_AEXT_V6ZKT2, 0)
-#define ARM_ARCH_V6M   ARM_FEATURE (ARM_AEXT_V6M, 0)
-#define ARM_ARCH_V6SM  ARM_FEATURE (ARM_AEXT_V6SM, 0)
-#define ARM_ARCH_V7    ARM_FEATURE (ARM_AEXT_V7, 0)
-#define ARM_ARCH_V7A   ARM_FEATURE (ARM_AEXT_V7A, 0)
-#define ARM_ARCH_V7R   ARM_FEATURE (ARM_AEXT_V7R, 0)
-#define ARM_ARCH_V7M   ARM_FEATURE (ARM_AEXT_V7M, 0)
-#define ARM_ARCH_V7EM  ARM_FEATURE (ARM_AEXT_V7EM, 0)
-#define ARM_ARCH_V8A   ARM_FEATURE (ARM_AEXT_V8A, 0)
+#define FPU_ARCH_VFP           ARM_FEATURE_COPROC (FPU_ENDIAN_PURE)
+
+#define FPU_ARCH_FPE           ARM_FEATURE_COPROC (FPU_FPA_EXT_V1)
+#define FPU_ARCH_FPA           ARM_FEATURE_COPROC (FPU_FPA)
+
+#define FPU_ARCH_VFP_V1xD      ARM_FEATURE_COPROC (FPU_VFP_V1xD)
+#define FPU_ARCH_VFP_V1                ARM_FEATURE_COPROC (FPU_VFP_V1)
+#define FPU_ARCH_VFP_V2                ARM_FEATURE_COPROC (FPU_VFP_V2)
+#define FPU_ARCH_VFP_V3D16     ARM_FEATURE_COPROC (FPU_VFP_V3D16)
+#define FPU_ARCH_VFP_V3D16_FP16 ARM_FEATURE_COPROC (FPU_VFP_V3D16       \
+                                                   | FPU_VFP_EXT_FP16)
+#define FPU_ARCH_VFP_V3                ARM_FEATURE_COPROC (FPU_VFP_V3)
+#define FPU_ARCH_VFP_V3_FP16   ARM_FEATURE_COPROC (FPU_VFP_V3           \
+                                                   | FPU_VFP_EXT_FP16)
+#define FPU_ARCH_VFP_V3xD      ARM_FEATURE_COPROC (FPU_VFP_V3xD)
+#define FPU_ARCH_VFP_V3xD_FP16 ARM_FEATURE_COPROC (FPU_VFP_V3xD         \
+                                                   | FPU_VFP_EXT_FP16)
+#define FPU_ARCH_NEON_V1       ARM_FEATURE_COPROC (FPU_NEON_EXT_V1)
+#define FPU_ARCH_VFP_V3_PLUS_NEON_V1                                    \
+                               ARM_FEATURE_COPROC (FPU_VFP_V3           \
+                                                   | FPU_NEON_EXT_V1)
+#define FPU_ARCH_NEON_FP16     ARM_FEATURE_COPROC (FPU_VFP_V3           \
+                                                   | FPU_NEON_EXT_V1    \
+                                                   | FPU_VFP_EXT_FP16)
+#define FPU_ARCH_VFP_HARD      ARM_FEATURE_COPROC (FPU_VFP_HARD)
+#define FPU_ARCH_VFP_V4                ARM_FEATURE_COPROC (FPU_VFP_V4)
+#define FPU_ARCH_VFP_V4D16     ARM_FEATURE_COPROC (FPU_VFP_V4D16)
+#define FPU_ARCH_VFP_V4_SP_D16 ARM_FEATURE_COPROC (FPU_VFP_V4_SP_D16)
+#define FPU_ARCH_VFP_V5D16     ARM_FEATURE_COPROC (FPU_VFP_V5D16)
+#define FPU_ARCH_VFP_V5_SP_D16 ARM_FEATURE_COPROC (FPU_VFP_V5_SP_D16)
+#define FPU_ARCH_NEON_VFP_V4   ARM_FEATURE_COPROC (FPU_VFP_V4           \
+                                                   | FPU_NEON_EXT_V1    \
+                                                   | FPU_NEON_EXT_FMA)
+#define FPU_ARCH_VFP_ARMV8     ARM_FEATURE_COPROC (FPU_VFP_ARMV8)
+#define FPU_ARCH_NEON_VFP_ARMV8        ARM_FEATURE_COPROC (FPU_NEON_ARMV8       \
+                                                   | FPU_VFP_ARMV8)
+#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8                                  \
+                               ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8     \
+                                                   | FPU_NEON_ARMV8     \
+                                                   | FPU_VFP_ARMV8)
+#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD                          \
+                               ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8     \
+                                                   | FPU_NEON_ARMV8     \
+                                                   | FPU_VFP_ARMV8      \
+                                                   | FPU_NEON_EXT_DOTPROD)
+#define FPU_ARCH_NEON_VFP_ARMV8_1                                       \
+                               ARM_FEATURE_COPROC (FPU_NEON_ARMV8_1     \
+                                                   | FPU_VFP_ARMV8)
+#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1                                \
+                               ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8     \
+                                                   | FPU_NEON_ARMV8_1   \
+                                                   | FPU_VFP_ARMV8)
+
+#define FPU_ARCH_DOTPROD_NEON_VFP_ARMV8                                         \
+                               ARM_FEATURE_COPROC (FPU_NEON_EXT_DOTPROD \
+                                                   | FPU_NEON_ARMV8_1   \
+                                                   | FPU_VFP_ARMV8)
+
+#define FPU_ARCH_NEON_VFP_ARMV8_2_FP16                                  \
+      ARM_FEATURE (0, ARM_EXT2_FP16_INST,                               \
+                  FPU_NEON_ARMV8_1 | FPU_VFP_ARMV8)
+
+#define FPU_ARCH_NEON_VFP_ARMV8_2_FP16FML                               \
+      ARM_FEATURE (0, ARM_EXT2_FP16_INST | ARM_EXT2_FP16_FML,           \
+                  FPU_NEON_ARMV8_1 | FPU_VFP_ARMV8)
+
+#define FPU_ARCH_NEON_VFP_ARMV8_4_FP16FML                               \
+      ARM_FEATURE (0, ARM_EXT2_FP16_INST | ARM_EXT2_FP16_FML,           \
+                  FPU_NEON_ARMV8_1 | FPU_VFP_ARMV8 | FPU_NEON_EXT_DOTPROD)
+
+#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_4                                \
+                             ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8       \
+                                                 | FPU_NEON_ARMV8_1     \
+                                                 | FPU_VFP_ARMV8        \
+                                                 | FPU_NEON_EXT_DOTPROD)
+
+#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE_COPROC (FPU_ENDIAN_PURE)
+
+#define FPU_ARCH_MAVERICK ARM_FEATURE_COPROC (FPU_MAVERICK)
+
+#define ARM_ARCH_V1     ARM_FEATURE_CORE_LOW (ARM_AEXT_V1)
+#define ARM_ARCH_V2     ARM_FEATURE_CORE_LOW (ARM_AEXT_V2)
+#define ARM_ARCH_V2S    ARM_FEATURE_CORE_LOW (ARM_AEXT_V2S)
+#define ARM_ARCH_V3     ARM_FEATURE_CORE_LOW (ARM_AEXT_V3)
+#define ARM_ARCH_V3M    ARM_FEATURE_CORE_LOW (ARM_AEXT_V3M)
+#define ARM_ARCH_V4xM   ARM_FEATURE_CORE_LOW (ARM_AEXT_V4xM)
+#define ARM_ARCH_V4     ARM_FEATURE_CORE_LOW (ARM_AEXT_V4)
+#define ARM_ARCH_V4TxM  ARM_FEATURE_CORE_LOW (ARM_AEXT_V4TxM)
+#define ARM_ARCH_V4T    ARM_FEATURE_CORE_LOW (ARM_AEXT_V4T)
+#define ARM_ARCH_V5xM   ARM_FEATURE_CORE_LOW (ARM_AEXT_V5xM)
+#define ARM_ARCH_V5     ARM_FEATURE_CORE_LOW (ARM_AEXT_V5)
+#define ARM_ARCH_V5TxM  ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TxM)
+#define ARM_ARCH_V5T    ARM_FEATURE_CORE_LOW (ARM_AEXT_V5T)
+#define ARM_ARCH_V5TExP         ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TExP)
+#define ARM_ARCH_V5TE   ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TE)
+#define ARM_ARCH_V5TEJ  ARM_FEATURE_CORE_LOW (ARM_AEXT_V5TEJ)
+#define ARM_ARCH_V6     ARM_FEATURE_CORE_LOW (ARM_AEXT_V6)
+#define ARM_ARCH_V6K    ARM_FEATURE_CORE_LOW (ARM_AEXT_V6K)
+#define ARM_ARCH_V6Z    ARM_FEATURE_CORE_LOW (ARM_AEXT_V6Z)
+#define ARM_ARCH_V6KZ   ARM_FEATURE_CORE_LOW (ARM_AEXT_V6KZ)
+#define ARM_ARCH_V6T2   ARM_FEATURE_CORE (ARM_AEXT_V6T2, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V6KT2  ARM_FEATURE_CORE (ARM_AEXT_V6KT2, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V6ZT2  ARM_FEATURE_CORE (ARM_AEXT_V6ZT2, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V6KZT2         ARM_FEATURE_CORE (ARM_AEXT_V6KZT2, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V6M    ARM_FEATURE_CORE_LOW (ARM_AEXT_V6M)
+#define ARM_ARCH_V6SM   ARM_FEATURE_CORE_LOW (ARM_AEXT_V6SM)
+#define ARM_ARCH_V7     ARM_FEATURE_CORE (ARM_AEXT_V7, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V7A    ARM_FEATURE_CORE (ARM_AEXT_V7A, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V7VE   ARM_FEATURE_CORE (ARM_AEXT_V7VE, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V7R    ARM_FEATURE_CORE (ARM_AEXT_V7R, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V7M    ARM_FEATURE_CORE (ARM_AEXT_V7M, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V7EM   ARM_FEATURE_CORE (ARM_AEXT_V7EM, ARM_EXT2_V6T2_V8M)
+#define ARM_ARCH_V8A    ARM_FEATURE_CORE (ARM_AEXT_V8A, ARM_AEXT2_V8A)
+#define ARM_ARCH_V8A_CRC ARM_FEATURE (ARM_AEXT_V8A,       \
+                                     ARM_AEXT2_V8A | ARM_EXT2_CRC)
+#define ARM_ARCH_V8_1A  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A        \
+                                     | ARM_EXT2_CRC,  FPU_NEON_EXT_RDMA)
+#define ARM_ARCH_V8_2A  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_2A        \
+                                     | ARM_EXT2_CRC,  FPU_NEON_EXT_RDMA)
+#define ARM_ARCH_V8_3A  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_3A        \
+                                     | ARM_EXT2_CRC, FPU_NEON_EXT_RDMA)
+#define ARM_ARCH_V8_4A  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_4A        \
+                                     | ARM_EXT2_CRC, FPU_NEON_EXT_RDMA    \
+                                                   | FPU_NEON_EXT_DOTPROD)
+#define ARM_ARCH_V8_5A  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_5A        \
+                                     | ARM_EXT2_CRC, FPU_NEON_EXT_RDMA    \
+                                                   | FPU_NEON_EXT_DOTPROD)
+#define ARM_ARCH_V8_6A  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_6A        \
+                                     | ARM_EXT2_CRC, FPU_NEON_EXT_RDMA    \
+                                                   | FPU_NEON_EXT_DOTPROD)
+#define ARM_ARCH_V8M_BASE      ARM_FEATURE_CORE (ARM_AEXT_V8M_BASE,       \
+                                                ARM_AEXT2_V8M_BASE)
+#define ARM_ARCH_V8M_MAIN      ARM_FEATURE_CORE (ARM_AEXT_V8M_MAIN,       \
+                                                ARM_AEXT2_V8M_MAIN)
+#define ARM_ARCH_V8M_MAIN_DSP  ARM_FEATURE_CORE (ARM_AEXT_V8M_MAIN_DSP,           \
+                                                ARM_AEXT2_V8M_MAIN_DSP)
+#define ARM_ARCH_V8R          ARM_FEATURE_CORE (ARM_AEXT_V8R, ARM_AEXT2_V8R)
+#define ARM_ARCH_V8_1M_MAIN    ARM_FEATURE_CORE (ARM_AEXT_V8_1M_MAIN,     \
+                                                ARM_AEXT2_V8_1M_MAIN)
 
 /* Some useful combinations:  */
-#define ARM_ARCH_NONE  ARM_FEATURE (0, 0)
-#define FPU_NONE       ARM_FEATURE (0, 0)
-#define ARM_ANY                ARM_FEATURE (-1, 0)     /* Any basic core.  */
-#define FPU_ANY_HARD   ARM_FEATURE (0, FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK)
-#define ARM_ARCH_THUMB2 ARM_FEATURE (ARM_EXT_V6T2 | ARM_EXT_V7 | ARM_EXT_V7A | ARM_EXT_V7R | ARM_EXT_V7M | ARM_EXT_DIV, 0)
+#define ARM_ARCH_NONE  ARM_FEATURE_LOW (0, 0)
+#define FPU_NONE       ARM_FEATURE_LOW (0, 0)
+#define ARM_ANY                ARM_FEATURE (-1, -1 & ~ (ARM_EXT2_MVE | ARM_EXT2_MVE_FP), 0)    /* Any basic core.  */
+#define FPU_ANY                ARM_FEATURE_COPROC (-1) /* Any FPU.  */
+#define FPU_ANY_HARD   ARM_FEATURE_COPROC (FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK)
+/* Extensions containing some Thumb-2 instructions.  If any is present, Thumb
+   ISA is Thumb-2.  */
+#define ARM_ARCH_THUMB2 ARM_FEATURE_CORE (ARM_EXT_V6T2 | ARM_EXT_V7    \
+                                         | ARM_EXT_DIV | ARM_EXT_V8,   \
+                                         ARM_EXT2_ATOMICS | ARM_EXT2_V6T2_V8M)
 /* v7-a+sec.  */
-#define ARM_ARCH_V7A_SEC ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_SEC, 0)
+#define ARM_ARCH_V7A_SEC \
+  ARM_FEATURE_CORE (ARM_AEXT_V7A | ARM_EXT_SEC, ARM_EXT2_V6T2_V8M)
 /* v7-a+mp+sec.  */
 #define ARM_ARCH_V7A_MP_SEC \
-                       ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC, \
-                                    0)
-/* v7-a+idiv+mp+sec+virt.  */
-#define ARM_ARCH_V7A_IDIV_MP_SEC_VIRT \
-                       ARM_FEATURE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC \
-                                    | ARM_EXT_DIV | ARM_EXT_ADIV \
-                                    | ARM_EXT_VIRT, 0)
+  ARM_FEATURE_CORE (ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC, ARM_EXT2_V6T2_V8M)
 /* v7-r+idiv.  */
-#define ARM_ARCH_V7R_IDIV      ARM_FEATURE (ARM_AEXT_V7R | ARM_EXT_ADIV, 0)
-/* Features that are present in v6M and v6S-M but not other v6 cores.  */
-#define ARM_ARCH_V6M_ONLY ARM_FEATURE (ARM_AEXT_V6M_ONLY, 0)
+#define ARM_ARCH_V7R_IDIV \
+  ARM_FEATURE_CORE (ARM_AEXT_V7R | ARM_EXT_ADIV, ARM_EXT2_V6T2_V8M)
 /* v8-a+fp.  */
-#define ARM_ARCH_V8A_FP        ARM_FEATURE (ARM_AEXT_V8A, FPU_ARCH_VFP_ARMV8)
+#define ARM_ARCH_V8A_FP        \
+  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, FPU_ARCH_VFP_ARMV8)
 /* v8-a+simd (implies fp).  */
-#define ARM_ARCH_V8A_SIMD      ARM_FEATURE (ARM_AEXT_V8A, \
-                                            FPU_ARCH_NEON_VFP_ARMV8)
+#define ARM_ARCH_V8A_SIMD \
+  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, FPU_ARCH_NEON_VFP_ARMV8)
 /* v8-a+crypto (implies simd+fp).  */
-#define ARM_ARCH_V8A_CRYPTOV1  ARM_FEATURE (ARM_AEXT_V8A, \
-                                            FPU_ARCH_CRYPTO_NEON_VFP_ARMV8)
+#define ARM_ARCH_V8A_CRYPTOV1 \
+  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8)
+
+/* v8.1-a+fp.  */
+#define ARM_ARCH_V8_1A_FP \
+  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, FPU_ARCH_VFP_ARMV8)
+/* v8.1-a+simd (implies fp).  */
+#define ARM_ARCH_V8_1A_SIMD \
+  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, FPU_ARCH_NEON_VFP_ARMV8_1)
+/* v8.1-a+crypto (implies simd+fp).  */
+#define ARM_ARCH_V8_1A_CRYPTOV1 \
+  ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1)
+
 
 /* There are too many feature bits to fit in a single word, so use a
-   structure.  For simplicity we put all core features in one word and
-   everything else in the other.  */
+   structure.  For simplicity we put all core features in array CORE
+   and everything else in the other.  All the bits in element core[0]
+   have been occupied, so new feature should use bit in element core[1]
+   and use macro ARM_FEATURE to initialize the feature set variable.  */
 typedef struct
 {
-  unsigned long core;
+  unsigned long core[2];
   unsigned long coproc;
 } arm_feature_set;
 
+/* Test whether CPU and FEAT have any features in common.  */
 #define ARM_CPU_HAS_FEATURE(CPU,FEAT) \
-  (((CPU).core & (FEAT).core) != 0 || ((CPU).coproc & (FEAT).coproc) != 0)
+  (((CPU).core[0] & (FEAT).core[0]) != 0 \
+   || ((CPU).core[1] & (FEAT).core[1]) != 0 \
+   || ((CPU).coproc & (FEAT).coproc) != 0)
+
+/* Tests whether the features of A are a subset of B.  */
+#define ARM_FSET_CPU_SUBSET(A,B) \
+  (((A).core[0] & (B).core[0]) == (A).core[0] \
+   && ((A).core[1] & (B).core[1]) == (A).core[1] \
+   && ((A).coproc & (B).coproc) == (A).coproc)
 
 #define ARM_CPU_IS_ANY(CPU) \
-  ((CPU).core == ((arm_feature_set)ARM_ANY).core)
+  ((CPU).core[0] == ((arm_feature_set)ARM_ANY).core[0] \
+   && (CPU).core[1] == ((arm_feature_set)ARM_ANY).core[1])
+
+#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2)             \
+  do                                                   \
+    {                                                  \
+      (TARG).core[0] = (F1).core[0] | (F2).core[0];    \
+      (TARG).core[1] = (F1).core[1] | (F2).core[1];    \
+      (TARG).coproc = (F1).coproc | (F2).coproc;       \
+    }                                                  \
+  while (0)
+
+#define ARM_CLEAR_FEATURE(TARG,F1,F2)                  \
+  do                                                   \
+    {                                                  \
+      (TARG).core[0] = (F1).core[0] &~ (F2).core[0];   \
+      (TARG).core[1] = (F1).core[1] &~ (F2).core[1];   \
+      (TARG).coproc = (F1).coproc &~ (F2).coproc;      \
+    }                                                  \
+  while (0)
+
+#define ARM_FEATURE_EQUAL(T1,T2)               \
+  (   (T1).core[0] == (T2).core[0]             \
+   && (T1).core[1] == (T2).core[1]             \
+   && (T1).coproc  == (T2).coproc)
 
-#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2)     \
-  do {                                         \
-    (TARG).core = (F1).core | (F2).core;       \
-    (TARG).coproc = (F1).coproc | (F2).coproc; \
-  } while (0)
+#define ARM_FEATURE_ZERO(T)                    \
+  ((T).core[0] == 0 && (T).core[1] == 0 && (T).coproc == 0)
 
-#define ARM_CLEAR_FEATURE(TARG,F1,F2)          \
-  do {                                         \
-    (TARG).core = (F1).core &~ (F2).core;      \
-    (TARG).coproc = (F1).coproc &~ (F2).coproc;        \
-  } while (0)
+#define ARM_FEATURE_CORE_EQUAL(T1, T2)         \
+  ((T1).core[0] == (T2).core[0] && (T1).core[1] == (T2).core[1])
 
-#define ARM_FEATURE(core, coproc) {(core), (coproc)}
+#define ARM_FEATURE_LOW(core, coproc) {{(core), 0}, (coproc)}
+#define ARM_FEATURE_CORE(core1, core2) {{(core1), (core2)}, 0}
+#define ARM_FEATURE_CORE_LOW(core) {{(core), 0}, 0}
+#define ARM_FEATURE_CORE_HIGH(core) {{0, (core)}, 0}
+#define ARM_FEATURE_COPROC(coproc) {{0, 0}, (coproc)}
+#define ARM_FEATURE(core1, core2, coproc) {{(core1), (core2)}, (coproc)}