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arm: Add support for Armv9.1-A to Armv9.3-A

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This patch adds AArch32 support for -march=armv9.[123]-a.
The behaviour of the new options can be expressed using a
combination of existing feature flags and tables.

The cpu_arch_ver entries for ARM_ARCH_V9_2A and ARM_ARCH_V9_3A
are technically redundant but it seemed less surprising to include
them anyway.

include/
	* opcode/arm.h (ARM_ARCH_V9_1A, ARM_ARCH_V9_2A): New macros.
	(ARM_ARCH_V9_3A): Likewise.

gas/
	* doc/c-arm.texi: Add armv9.1-a, armv9.2-a and armv9.3-a.
	* config/tc-arm.c (armv91a_ext_table, armv92a_ext_table): New macros.
	(armv93a_ext_table): Likewise.
	(arm_archs): Add armv9.1-a, armv9.2-a and armv9.3-a.
	(cpu_arch_ver): Add ARM_ARCH_V9_1A, ARM_ARCH_V9_2A and ARM_ARCH_V9_3A.
	* NEWS: Mention the above.
	* testsuite/gas/arm/attr-march-armv9_1-a.d: New test.
	* testsuite/gas/arm/attr-march-armv9_2-a.d: Likewise.
	* testsuite/gas/arm/attr-march-armv9_3-a.d: Likewise.
	* testsuite/gas/arm/bfloat16-armv9.1-a.d: Likewise.
	* testsuite/gas/arm/bfloat16-armv9.2-a.d: Likewise.
	* testsuite/gas/arm/bfloat16-armv9.3-a.d: Likewise.
	* testsuite/gas/arm/i8mm-armv9.1-a.d: Likewise.
	* testsuite/gas/arm/i8mm-armv9.2-a.d: Likewise.
	* testsuite/gas/arm/i8mm-armv9.3-a.d: Likewise.
This commit is contained in:
Richard Sandiford
2021-12-16 09:32:00 +00:00
parent b3e4d9326f
commit a2b1ea81ba
12 changed files with 101 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
gas/NEWS
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@ -31,8 +31,8 @@
* Add support for 'armv8.8-a', 'armv9-a', 'armv9.1-a', 'armv9.2-a' and
'armv9.3-a' for -march in AArch64 GAS.
* Add support for 'armv8.7-a', 'armv8.8-a', and 'armv9-a' for -march
in Arm GAS.
* Add support for 'armv8.7-a', 'armv8.8-a', 'armv9-a', 'armv9.1-a',
'armv9.2-a' and 'armv9.3-a' for -march in Arm GAS.
* Add support for Intel AVX512_FP16 instructions.

10
gas/config/tc-arm.c
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@ -31972,6 +31972,10 @@ static const struct arm_ext_table armv9a_ext_table[] =
{ NULL, 0, ARM_ARCH_NONE, ARM_ARCH_NONE }
};
#define armv91a_ext_table armv86a_ext_table
#define armv92a_ext_table armv91a_ext_table
#define armv93a_ext_table armv92a_ext_table
#define CDE_EXTENSIONS \
ARM_ADD ("cdecp0", ARM_FEATURE_CORE_HIGH (ARM_EXT2_CDE | ARM_EXT2_CDE0)), \
ARM_ADD ("cdecp1", ARM_FEATURE_CORE_HIGH (ARM_EXT2_CDE | ARM_EXT2_CDE1)), \
@ -32097,6 +32101,9 @@ static const struct arm_arch_option_table arm_archs[] =
ARM_ARCH_OPT2 ("armv8.7-a", ARM_ARCH_V8_7A, FPU_ARCH_VFP, armv87a),
ARM_ARCH_OPT2 ("armv8.8-a", ARM_ARCH_V8_8A, FPU_ARCH_VFP, armv88a),
ARM_ARCH_OPT2 ("armv9-a", ARM_ARCH_V9A, FPU_ARCH_VFP, armv9a),
ARM_ARCH_OPT2 ("armv9.1-a", ARM_ARCH_V9_1A, FPU_ARCH_VFP, armv91a),
ARM_ARCH_OPT2 ("armv9.2-a", ARM_ARCH_V9_2A, FPU_ARCH_VFP, armv92a),
ARM_ARCH_OPT2 ("armv9.3-a", ARM_ARCH_V9_2A, FPU_ARCH_VFP, armv93a),
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),
@ -32883,6 +32890,9 @@ static const cpu_arch_ver_table cpu_arch_ver[] =
{TAG_CPU_ARCH_V8, ARM_ARCH_V8_7A},
{TAG_CPU_ARCH_V8, ARM_ARCH_V8_8A},
{TAG_CPU_ARCH_V9, ARM_ARCH_V9A},
{TAG_CPU_ARCH_V9, ARM_ARCH_V9_1A},
{TAG_CPU_ARCH_V9, ARM_ARCH_V9_2A},
{TAG_CPU_ARCH_V9, ARM_ARCH_V9_3A},
{-1, ARM_ARCH_NONE}
};

17
gas/testsuite/gas/arm/attr-march-armv9_1-a.d Normal file
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@ -0,0 +1,17 @@
# name: check for armv9-a command line option settings
# source: blank.s
# as: -march=armv9.1-a
# readelf: -A
# This test is only valid on EABI based ports.
# target: *-*-*eabi* *-*-nacl*
Attribute Section: aeabi
File Attributes
Tag_CPU_name: "9.1-A"
Tag_CPU_arch: v9
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

17
gas/testsuite/gas/arm/attr-march-armv9_2-a.d Normal file
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@ -0,0 +1,17 @@
# name: check for armv9-a command line option settings
# source: blank.s
# as: -march=armv9.2-a
# readelf: -A
# This test is only valid on EABI based ports.
# target: *-*-*eabi* *-*-nacl*
Attribute Section: aeabi
File Attributes
Tag_CPU_name: "9.2-A"
Tag_CPU_arch: v9
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

17
gas/testsuite/gas/arm/attr-march-armv9_3-a.d Normal file
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@ -0,0 +1,17 @@
# name: check for armv9-a command line option settings
# source: blank.s
# as: -march=armv9.3-a
# readelf: -A
# This test is only valid on EABI based ports.
# target: *-*-*eabi* *-*-nacl*
Attribute Section: aeabi
File Attributes
Tag_CPU_name: "9.3-A"
Tag_CPU_arch: v9
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
gas/testsuite/gas/arm/bfloat16-armv9.1-a.d Normal file
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@ -0,0 +1,5 @@
#name: Bfloat 16 extension (Armv9.1-A)
#source: bfloat16.s
#as: -mno-warn-deprecated -march=armv9.1-a+simd -I$srcdir/$subdir
#objdump: -dr --show-raw-insn
#...

5
gas/testsuite/gas/arm/bfloat16-armv9.2-a.d Normal file
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@ -0,0 +1,5 @@
#name: Bfloat 16 extension (Armv9.2-A)
#source: bfloat16.s
#as: -mno-warn-deprecated -march=armv9.2-a+simd -I$srcdir/$subdir
#objdump: -dr --show-raw-insn
#...

5
gas/testsuite/gas/arm/bfloat16-armv9.3-a.d Normal file
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@ -0,0 +1,5 @@
#name: Bfloat 16 extension (Armv9.3-A)
#source: bfloat16.s
#as: -mno-warn-deprecated -march=armv9.3-a+simd -I$srcdir/$subdir
#objdump: -dr --show-raw-insn
#...

5
gas/testsuite/gas/arm/i8mm-armv9.1-a.d Normal file
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@ -0,0 +1,5 @@
#name: Int8 Matrix Multiply extension (Armv9.1-A)
#source: i8mm.s
#as: -mno-warn-deprecated -march=armv9.1-a+i8mm+simd -I$srcdir/$subdir
#objdump: -dr --show-raw-insn
#...

5
gas/testsuite/gas/arm/i8mm-armv9.2-a.d Normal file
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@ -0,0 +1,5 @@
#name: Int8 Matrix Multiply extension (Armv9.2-A)
#source: i8mm.s
#as: -mno-warn-deprecated -march=armv9.2-a+i8mm+simd -I$srcdir/$subdir
#objdump: -dr --show-raw-insn
#...

5
gas/testsuite/gas/arm/i8mm-armv9.3-a.d Normal file
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@ -0,0 +1,5 @@
#name: Int8 Matrix Multiply extension (Armv9.3-A)
#source: i8mm.s
#as: -mno-warn-deprecated -march=armv9.3-a+i8mm+simd -I$srcdir/$subdir
#objdump: -dr --show-raw-insn
#...

7
include/opcode/arm.h
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@ -392,6 +392,13 @@
ARM_AEXT2_V8_5A | ARM_EXT2_CRC, \
ARM_EXT3_V9A, \
FPU_NEON_EXT_RDMA | FPU_NEON_EXT_DOTPROD)
#define ARM_ARCH_V9_1A ARM_FEATURE_ALL (ARM_AEXT_V8A, \
ARM_AEXT2_V8_6A | ARM_EXT2_CRC, \
ARM_EXT3_V9A, \
FPU_NEON_EXT_RDMA \
| FPU_NEON_EXT_DOTPROD)
#define ARM_ARCH_V9_2A ARM_ARCH_V9_1A
#define ARM_ARCH_V9_3A ARM_ARCH_V9_2A
/* Some useful combinations: */
#define ARM_ARCH_NONE ARM_FEATURE_ALL (0, 0, 0, 0)