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| author | Jiong Wang <jiong.wang@arm.com> | 2017-11-08 13:15:12 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2017-11-08 13:15:12 +0000 |
| commit | dec41383fff7116c9f66cdeca3105e968047a4e6 (patch) | |
| tree | b99323b823783fee1f4919216e048967e15f0ba7 /include | |
| parent | 6e98b3428bdd0bf388c3c72eb205105926b15a64 (diff) | |
| download | gdb-dec41383fff7116c9f66cdeca3105e968047a4e6.zip gdb-dec41383fff7116c9f66cdeca3105e968047a4e6.tar.gz gdb-dec41383fff7116c9f66cdeca3105e968047a4e6.tar.bz2 | |
Adds command line support for Armv8.4-A, via the new command line option -march=armv8.4-a. Add support for "+dotprod" ARM feature (required for ARMv8.4-A). Add assembler and disassembler support for new FP16 instructions introduced in Armv8.4-A
gas * config/tc-arm.c (arm_extensions):
(arm_archs): New entry for "armv8.4-a".
Add FPU_ARCH_DOTPROD_NEON_VFP_ARMV8.
(arm_ext_v8_2): New variable.
(enum arm_reg_type): New enumeration REG_TYPE_NSD.
(reg_expected_msgs): New entry for REG_TYPE_NSD.
(parse_typed_reg_or_scalar): Handle REG_TYPE_NSD.
(parse_scalar): Support REG_TYPE_VFS.
(enum operand_parse_code): New enumerations OP_RNSD and OP_RNSD_RNSC.
(parse_operands): Handle OP_RNSD and OP_RNSD_RNSC.
(NEON_SHAPE_DEF): New entries for DHH and DHS.
(neon_scalar_for_fmac_fp16_long): New function to generate Rm encoding
for new FP16 instructions in ARMv8.2-A.
(do_neon_fmac_maybe_scalar_long): New function to encode new FP16
instructions in ARMv8.2-A.
(do_neon_vfmal): Wrapper function for vfmal.
(do_neon_vfmsl): Wrapper function for vfmsl.
(insns): New entries for vfmal and vfmsl.
* doc/c-arm.texi (-march): Document "armv8.4-a".
* testsuite/gas/arm/dotprod-mandatory.d: New test.
* testsuite/gas/arm/armv8_2-a-fp16.s: New test source.
* testsuite/gas/arm/armv8_2-a-fp16-illegal.s: New test source.
* testsuite/gas/arm/armv8_2-a-fp16.d: New test.
* testsuite/gas/arm/armv8_3-a-fp16.d: New test.
* testsuite/gas/arm/armv8_4-a-fp16.d: New test.
* testsuite/gas/arm/armv8_2-a-fp16-thumb2.d: New test.
* testsuite/gas/arm/armv8_2-a-fp16-illegal.d: New test.
* testsuite/gas/arm/armv8_2-a-fp16-illegal.l: New error file.
opcodes * arm-dis.c (coprocessor_opcodes): New entries for ARMv8.2-A new
FP16 instructions, including vfmal.f16 and vfmsl.f16.
include * opcode/arm.h (ARM_AEXT2_V8_4A): Include Dot Product feature.
(ARM_EXT2_V8_4A): New macro.
(ARM_AEXT2_V8_4A): Likewise.
(ARM_ARCH_V8_4A): Likewise.
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 7 | ||||
| -rw-r--r-- | include/opcode/arm.h | 9 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index beb08bb..36b1732 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,10 @@ +2017-11-08 Jiong Wang <jiong.wang@arm.com> + + * opcode/arm.h (ARM_AEXT2_V8_4A): Include Dot Product feature. + (ARM_EXT2_V8_4A): New macro. + (ARM_AEXT2_V8_4A): Likewise. + (ARM_ARCH_V8_4A): Likewise. + 2017-11-07 Palmer Dabbelt <palmer@dabbelt.com> * opcode/riscv-opc.h (sptbr): Rename to satp. diff --git a/include/opcode/arm.h b/include/opcode/arm.h index 3b51aba..932bf63 100644 --- a/include/opcode/arm.h +++ b/include/opcode/arm.h @@ -66,6 +66,7 @@ #define ARM_EXT2_RAS 0x00000080 /* RAS extension. */ #define ARM_EXT2_V8_3A 0x00000100 /* ARM V8.3A. */ #define ARM_EXT2_V8A 0x00000200 /* ARMv8-A. */ +#define ARM_EXT2_V8_4A 0x00000400 /* ARM V8.4A. */ /* Co-processor space extensions. */ #define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */ @@ -156,6 +157,7 @@ #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_AEXT2_V8_4A (ARM_AEXT2_V8_3A | ARM_EXT2_V8_4A) #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 @@ -228,8 +230,8 @@ #define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8 \ ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8) #define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD \ - ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8 | \ - FPU_NEON_EXT_DOTPROD) + ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8 \ + | FPU_NEON_EXT_DOTPROD) #define ARCH_CRC_ARMV8 ARM_FEATURE_COPROC (CRC_EXT_ARMV8) #define FPU_ARCH_NEON_VFP_ARMV8_1 \ ARM_FEATURE_COPROC (FPU_NEON_ARMV8 \ @@ -287,6 +289,9 @@ 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_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_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) |