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[AArch64] Add ARMv8.2 command line option and feature flag.

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ARMv8.2 is an architectural extension of ARMv8. This patch adds an
architecture feature macro for ARMv8.2 to the binutils AArch64 target
with GAS command line option -march=armv8.2-a.

gas/
2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>

	* config/tc-aarch64.c (aarch64_archs): Add "armv8.2-a".
	* doc/c-aarch64.texi (-march): Likewise.

include/opcode/
2015-11-19  Matthew Wahab  <matthew.wahab@arm.com>

	* aarch64.h (AARCH64_FEATURE_V8_2): New.
	(AARCH64_ARCH_V8_2): New.

Change-Id: I129232ab00234a07d18ce4b619607344acb3cbaf
This commit is contained in:
Matthew Wahab 2015-11-19 09:12:49 +00:00
parent 9a724e7b6b
commit acb787b032
5 changed files with 22 additions and 3 deletions
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10
include/opcode/aarch64.h
View file

@ -38,6 +38,7 @@ 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_CRYPTO 0x00010000 /* Crypto instructions. */
#define AARCH64_FEATURE_FP 0x00020000 /* FP instructions. */
#define AARCH64_FEATURE_SIMD 0x00040000 /* SIMD instructions. */
@ -58,7 +59,14 @@ typedef uint32_t aarch64_insn;
| AARCH64_FEATURE_PAN \
| AARCH64_FEATURE_LOR \
| AARCH64_FEATURE_RDMA)
#define AARCH64_ARCH_V8_2 AARCH64_FEATURE (AARCH64_FEATURE_V8, \
AARCH64_FEATURE_V8_2 \
| AARCH64_FEATURE_FP \
| AARCH64_FEATURE_SIMD \
| AARCH64_FEATURE_LSE \
| AARCH64_FEATURE_PAN \
| AARCH64_FEATURE_LOR \
| AARCH64_FEATURE_RDMA)
#define AARCH64_ARCH_NONE AARCH64_FEATURE (0, 0)
#define AARCH64_ANY AARCH64_FEATURE (-1, 0) /* Any basic core. */