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[arm] Automatically enable CRC instructions on supported ARMv8-A CPUs.

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2016-09-07  Richard Earnshaw  <rearnsha@arm.com>

	* opcode/arm.h (ARM_ARCH_V8A_CRC): New architecture.

2016-09-07  Richard Earnshaw  <rearnsha@arm.com>

	* config/tc-arm.c ((arm_cpus): Use ARM_ARCH_V8A_CRC for all
	ARMv8-A CPUs except xgene1.
This commit is contained in:
Richard Earnshaw
2016-09-07 17:14:54 +01:00
parent 361441170c
commit 27e5a27096
4 changed files with 20 additions and 9 deletions
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2
include/opcode/arm.h
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@ -263,6 +263,8 @@
#define ARM_ARCH_V7M ARM_FEATURE_CORE (ARM_AEXT_V7M, ARM_EXT2_V6T2_V8M)
#define ARM_ARCH_V7EM ARM_FEATURE_CORE (ARM_AEXT_V7EM, ARM_EXT2_V6T2_V8M)
#define ARM_ARCH_V8A ARM_FEATURE_CORE (ARM_AEXT_V8A, ARM_AEXT2_V8A)
#define ARM_ARCH_V8A_CRC ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8A, \
CRC_EXT_ARMV8)
#define ARM_ARCH_V8_1A ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_1A, \
CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA)
#define ARM_ARCH_V8_2A ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_2A, \