[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 8904f5d..6c0d24f 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,10 @@
 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".
        * testsuite/gas/aarch64/illegal-crypto-nofp.d: New.
        * testsuite/gas/aarch64/illegal-crypto-nofp.l: New.

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 4a55bec..bda8057 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 0452f5f..186dfbc 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 0a3b51e..5aa28f2 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 defda78..6cda660 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.  */