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[Arm, 1/3] Add -march=armv8.5-a and related internal feature macros to AArch32 

This patch is part of the patch series to add support for ARMv8.5-A
extensions.

(https://developer.arm.com/products/architecture/cpu-architecture/a-profile/exploration-tools)

This is the first of the patch series and adds -march=armv8.5-a and
other internal feature marcos needed for it.

*** gas/ChangeLog ***

2018-10-05  Sudakshina Das  <sudi.das@arm.com>

	* config/tc-arm.c (arm_archs): New entry for armv8.5-a.
	(cpu_arch_ver): Likewise.
	* doc/c-arm.texi: Add documentation for the same.
	* testsuite/gas/arm/attr-march-armv8_5-a.d: New.

*** include/ChnageLog ***

2018-10-05  Sudakshina Das  <sudi.das@arm.com>

	* opcode/arm.h (ARM_EXT2_V8_5A): New.
	(ARM_AEXT2_V8_5A, ARM_ARCH_V8_5A): New.
This commit is contained in:
Sudakshina Das 2018-10-05 10:47:29 +01:00 committed by Richard Earnshaw
parent 96643e35c0
commit 23f233a595
6 changed files with 37 additions and 0 deletions
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7
gas/ChangeLog
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@ -1,3 +1,10 @@
2018-10-05 Sudakshina Das <sudi.das@arm.com>
* config/tc-arm.c (arm_archs): New entry for armv8.5-a.
(cpu_arch_ver): Likewise.
* doc/c-arm.texi: Add documentation for the same.
* testsuite/gas/arm/attr-march-armv8_5-a.d: New.
2018-10-05 Stafford Horne <shorne@gmail.com>
* doc/Makefile.am (CPU_DOCS): Add entry for OpenRISC.

2
gas/config/tc-arm.c
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@ -26335,6 +26335,7 @@ static const struct arm_arch_option_table arm_archs[] =
ARM_ARCH_OPT ("armv8.3-a", ARM_ARCH_V8_3A, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8-r", ARM_ARCH_V8R, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8.4-a", ARM_ARCH_V8_4A, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8.5-a", ARM_ARCH_V8_5A, 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),
@ -27046,6 +27047,7 @@ static const cpu_arch_ver_table cpu_arch_ver[] =
{TAG_CPU_ARCH_V8M_MAIN, ARM_ARCH_V8M_MAIN},
{TAG_CPU_ARCH_V8R, ARM_ARCH_V8R},
{TAG_CPU_ARCH_V8, ARM_ARCH_V8_4A},
{TAG_CPU_ARCH_V8, ARM_ARCH_V8_5A},
{-1, ARM_ARCH_NONE}
};

1
gas/doc/c-arm.texi
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@ -241,6 +241,7 @@ names are recognized:
@code{armv8.3-a},
@code{armv8-r},
@code{armv8.4-a},
@code{armv8.5-a},
@code{iwmmxt}
@code{iwmmxt2}
and

17
gas/testsuite/gas/arm/attr-march-armv8_5-a.d Normal file
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@ -0,0 +1,17 @@
# name: attributes for -march=armv8.5-a
# source: blank.s
# as: -march=armv8.5-a
# readelf: -A
# This test is only valid on EABI based ports.
# target: *-*-*eabi* *-*-nacl*
Attribute Section: aeabi
File Attributes
Tag_CPU_name: "8.5-A"
Tag_CPU_arch: v8
Tag_CPU_arch_profile: Application
Tag_ARM_ISA_use: Yes
Tag_THUMB_ISA_use: Thumb-2
Tag_Advanced_SIMD_arch: NEON for ARMv8.1
Tag_MPextension_use: Allowed
Tag_Virtualization_use: TrustZone and Virtualization Extensions

5
include/ChangeLog
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@ -1,3 +1,8 @@
2018-10-05 Sudakshina Das <sudi.das@arm.com>
* opcode/arm.h (ARM_EXT2_V8_5A): New.
(ARM_AEXT2_V8_5A, ARM_ARCH_V8_5A): New.
2018-10-05 Richard Henderson <rth@twiddle.net>
* elf/or1k.h (elf_or1k_reloc_type): Add R_OR1K_PCREL_PG21,

5
include/opcode/arm.h
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@ -68,6 +68,7 @@
#define ARM_EXT2_V8A 0x00000200 /* ARMv8-A. */
#define ARM_EXT2_V8_4A 0x00000400 /* ARM V8.4A. */
#define ARM_EXT2_FP16_FML 0x00000800 /* ARM V8.2A FP16-FML instructions. */
#define ARM_EXT2_V8_5A 0x00001000 /* ARM V8.5A. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
@ -159,6 +160,7 @@
#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_AEXT2_V8_4A (ARM_AEXT2_V8_3A | ARM_EXT2_FP16_FML | ARM_EXT2_V8_4A)
#define ARM_AEXT2_V8_5A (ARM_AEXT2_V8_4A | ARM_EXT2_V8_5A)
#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
@ -293,6 +295,9 @@
#define ARM_ARCH_V8_4A ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_4A, \
CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA \
| FPU_NEON_EXT_DOTPROD)
#define ARM_ARCH_V8_5A ARM_FEATURE (ARM_AEXT_V8A, ARM_AEXT2_V8_5A, \
CRC_EXT_ARMV8 | FPU_NEON_EXT_RDMA \
| FPU_NEON_EXT_DOTPROD)
#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)