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

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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.
This commit is contained in:
Szabolcs Nagy
2016-11-11 10:20:30 +00:00
parent fa09f4ea58
commit 1924ff7567
5 changed files with 20 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
gas/ChangeLog
View File

@ -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".

1
gas/config/tc-aarch64.c
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@ -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}
};

2
gas/doc/c-aarch64.texi
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@ -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

6
include/ChangeLog
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@ -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.

21
include/opcode/aarch64.h
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@ -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. */