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[ARM] Add ARMv8.2 architecture feature and command line option. 

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

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

	* config/tc-arm.c (arm_archs): Add "armv8.2-a".
	* doc/c-arm.texi (-march): Add "armv8.2-a".

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

	* arm.h (ARM_EXT2_V8_2A): New.
	(ARM_ARCH_V8_2A): New.

Change-Id: I9e0f50e3c6cea24e6b87b8b862fd4e1cdcc1052e
This commit is contained in:
Matthew Wahab 2015-11-19 09:24:14 +00:00
parent acb787b032
commit 56a1b672f4
5 changed files with 15 additions and 0 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2015-11-19 Matthew Wahab <matthew.wahab@arm.com>
* config/tc-arm.c (arm_archs): Add "armv8.2-a".
* doc/c-arm.texi (-march): Add "armv8.2-a".
2015-11-19 Matthew Wahab <matthew.wahab@arm.com>
* config/tc-aarch64.c (aarch64_archs): Add "armv8.2-a".

1
gas/config/tc-arm.c
View File

@ -24826,6 +24826,7 @@ static const struct arm_arch_option_table arm_archs[] =
ARM_ARCH_OPT ("armv7e-m", ARM_ARCH_V7EM, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8-a", ARM_ARCH_V8A, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8.1-a", ARM_ARCH_V8_1A, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8.2-a", ARM_ARCH_V8_2A, FPU_ARCH_VFP),
ARM_ARCH_OPT ("xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP),
ARM_ARCH_OPT ("iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP),
ARM_ARCH_OPT ("iwmmxt2", ARM_ARCH_IWMMXT2,FPU_ARCH_VFP),

1
gas/doc/c-arm.texi
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@ -223,6 +223,7 @@ names are recognized:
@code{armv7e-m},
@code{armv8-a},
@code{armv8.1-a},
@code{armv8.2-a},
@code{iwmmxt}
@code{iwmmxt2}
and

5
include/opcode/ChangeLog
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@ -1,3 +1,8 @@
2015-11-19 Matthew Wahab <matthew.wahab@arm.com>
* arm.h (ARM_EXT2_V8_2A): New.
(ARM_ARCH_V8_2A): New.
2015-11-19 Matthew Wahab <matthew.wahab@arm.com>
* aarch64.h (AARCH64_FEATURE_V8_2): New.

3
include/opcode/arm.h
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@ -58,6 +58,7 @@
#define ARM_EXT_VIRT 0x80000000 /* Virtualization extensions. */
#define ARM_EXT2_PAN 0x00000001 /* PAN extension. */
#define ARM_EXT2_V8_2A 0x00000002 /* ARM V8.2A. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
@ -251,6 +252,8 @@
#define ARM_ARCH_V7EM ARM_FEATURE_CORE_LOW (ARM_AEXT_V7EM)
#define ARM_ARCH_V8A ARM_FEATURE_CORE_LOW (ARM_AEXT_V8A)
#define ARM_ARCH_V8_1A ARM_FEATURE_CORE (ARM_AEXT_V8A, ARM_EXT2_PAN)
#define ARM_ARCH_V8_2A ARM_FEATURE_CORE (ARM_AEXT_V8A, \
ARM_EXT2_PAN | ARM_EXT2_V8_2A)
/* Some useful combinations: */
#define ARM_ARCH_NONE ARM_FEATURE_LOW (0, 0)