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

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ARMv8.3 is an architectural extension of ARMv8.  Add the
feature macro and -march=armv8.3-a gas command line option
for the ARM target.

https://community.arm.com/groups/processors/blog/2016/10/27/armv8-a-architecture-2016-additions

gas/
	* config/tc-arm.c (arm_archs): Add "armv8.3-a".
	* doc/c-arm.texi (-march): Add "armv8.3-a".

include/
	* opcode/arm.h (ARM_EXT2_V8_3A, ARM_AEXT2_V8_3A): New.
	(ARM_ARCH_V8_3A): New.
This commit is contained in:
Szabolcs Nagy
2016-12-05 14:07:25 +00:00
parent 597e138ca0
commit a12fd8e1b1
5 changed files with 16 additions and 0 deletions
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4
include/opcode/arm.h
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@@ -64,6 +64,7 @@
#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. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
@@ -149,6 +150,7 @@
#define ARM_AEXT2_V8A (ARM_EXT2_V6T2_V8M | ARM_EXT2_ATOMICS)
#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_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
@@ -271,6 +273,8 @@
CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
#define ARM_ARCH_V8_2A ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_2A, \
CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
#define ARM_ARCH_V8_3A ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_3A, \
CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
#define ARM_ARCH_V8M_BASE ARM_FEATURE_CORE (ARM_AEXT_V8M_BASE, ARM_AEXT2_V8M)
#define ARM_ARCH_V8M_MAIN ARM_FEATURE_CORE (ARM_AEXT_V8M_MAIN, \
ARM_AEXT2_V8M_MAIN)