[AArch64] Add ARMv8.3 command line option and feature flag

ARMv8.3 can be selected with -march=armv8.3-a command line option.
An overview of the ARMv8.3 architecture extension is at
https://community.arm.com/groups/processors/blog/2016/10/27/armv8-a-architecture-2016-additions

gas/
2016-11-11  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* config/tc-aarch64.c (aarch64_archs): Add "armv8.3-a".
	* doc/c-aarch64.texi (-march): Likewise.

include/
2016-11-11  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* opcode/aarch64.h (AARCH64_FEATURE_V8_3): Define.
	(AARCH64_ARCH_V8_3): Define.
	(AARCH64_ARCH_V8_1, AARCH64_ARCH_V8_2): Simplify.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 8904f5d22367064727ca4d50fa52abee07f07ee0..6c0d24f025071ca625b5b8e5a40c2a67adddcfca 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-11  Szabolcs Nagy  <szabolcs.nagy@arm.com>
+
+       * config/tc-aarch64.c (aarch64_archs): Add "armv8.3-a".
+       * doc/c-aarch64.texi (-march): Likewise.
+
 2016-11-11  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 
        * config/tc-aarch64.c (aarch64_features): Fix "simd" and "crypto".

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 4a55becc46b8164c157dc4f21b9a3d24ceb5a95e..bda80571310a32b04d5c46a96f1c09e65460fabb 100644 (file)
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -8374,6 +8374,7 @@ static const struct aarch64_arch_option_table aarch64_archs[] = {
   {"armv8-a", AARCH64_ARCH_V8},
   {"armv8.1-a", AARCH64_ARCH_V8_1},
   {"armv8.2-a", AARCH64_ARCH_V8_2},
+  {"armv8.3-a", AARCH64_ARCH_V8_3},
   {NULL, AARCH64_ARCH_NONE}
 };
 

diff --git a/gas/doc/c-aarch64.texi b/gas/doc/c-aarch64.texi
index 0452f5f056d8583ad711e8ff228e552c95269d74..186dfbcc1330f79be44fb77b53a6606577198cc5 100644 (file)
--- a/gas/doc/c-aarch64.texi
+++ b/gas/doc/c-aarch64.texi
@@ -87,7 +87,7 @@ This option specifies the target architecture.  The assembler will
 issue an error message if an attempt is made to assemble an
 instruction which will not execute on the target architecture.  The
 following architecture names are recognized: @code{armv8-a},
-@code{armv8.1-a} and @code{armv8.2-a}.
+@code{armv8.1-a}, @code{armv8.2-a} and @code{armv8.3-a}.
 
 If both @option{-mcpu} and @option{-march} are specified, the
 assembler will use the setting for @option{-mcpu}.  If neither are

diff --git a/include/ChangeLog b/include/ChangeLog
index 0a3b51e3956e8618a43d6742e8a351bf2fce3e01..5aa28f2e856f521983fe4c0dbab7d067346e4218 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,9 @@
+2016-11-11  Szabolcs Nagy  <szabolcs.nagy@arm.com>
+
+       * opcode/aarch64.h (AARCH64_FEATURE_V8_3): Define.
+       (AARCH64_ARCH_V8_3): Define.
+       (AARCH64_ARCH_V8_1, AARCH64_ARCH_V8_2): Simplify.
+
 2016-11-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
        * opcode/arm.h (ARM_AEXT_V8M_MAIN_DSP): Define.

diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index defda781ae92acdaf7083d5149875596c8d55f80..6cda660f3334c034c2443d78b49abcf1c10ddfff 100644 (file)
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -39,6 +39,7 @@ typedef uint32_t aarch64_insn;
 /* The following bitmasks control CPU features.  */
 #define AARCH64_FEATURE_V8     0x00000001      /* All processors.  */
 #define AARCH64_FEATURE_V8_2   0x00000020      /* ARMv8.2 processors.  */
+#define AARCH64_FEATURE_V8_3   0x00000040      /* ARMv8.3 processors.  */
 #define AARCH64_FEATURE_CRYPTO 0x00010000      /* Crypto instructions.  */
 #define AARCH64_FEATURE_FP     0x00020000      /* FP instructions.  */
 #define AARCH64_FEATURE_SIMD   0x00040000      /* SIMD instructions.  */
@@ -57,27 +58,19 @@ typedef uint32_t aarch64_insn;
 #define AARCH64_ARCH_V8                AARCH64_FEATURE (AARCH64_FEATURE_V8, \
                                                 AARCH64_FEATURE_FP  \
                                                 | AARCH64_FEATURE_SIMD)
-#define AARCH64_ARCH_V8_1      AARCH64_FEATURE (AARCH64_FEATURE_V8, \
-                                                AARCH64_FEATURE_FP  \
-                                                | AARCH64_FEATURE_SIMD \
-                                                | AARCH64_FEATURE_CRC  \
+#define AARCH64_ARCH_V8_1      AARCH64_FEATURE (AARCH64_ARCH_V8, \
+                                                AARCH64_FEATURE_CRC    \
                                                 | AARCH64_FEATURE_V8_1 \
                                                 | AARCH64_FEATURE_LSE  \
                                                 | AARCH64_FEATURE_PAN  \
                                                 | AARCH64_FEATURE_LOR  \
                                                 | AARCH64_FEATURE_RDMA)
-#define AARCH64_ARCH_V8_2      AARCH64_FEATURE (AARCH64_FEATURE_V8,    \
+#define AARCH64_ARCH_V8_2      AARCH64_FEATURE (AARCH64_ARCH_V8_1,     \
                                                 AARCH64_FEATURE_V8_2   \
                                                 | AARCH64_FEATURE_F16  \
-                                                | AARCH64_FEATURE_RAS  \
-                                                | AARCH64_FEATURE_FP   \
-                                                | AARCH64_FEATURE_SIMD \
-                                                | AARCH64_FEATURE_CRC  \
-                                                | AARCH64_FEATURE_V8_1 \
-                                                | AARCH64_FEATURE_LSE  \
-                                                | AARCH64_FEATURE_PAN  \
-                                                | AARCH64_FEATURE_LOR  \
-                                                | AARCH64_FEATURE_RDMA)
+                                                | AARCH64_FEATURE_RAS)
+#define AARCH64_ARCH_V8_3      AARCH64_FEATURE (AARCH64_ARCH_V8_2,     \
+                                                AARCH64_FEATURE_V8_3)
 
 #define AARCH64_ARCH_NONE      AARCH64_FEATURE (0, 0)
 #define AARCH64_ANY            AARCH64_FEATURE (-1, 0) /* Any basic core.  */