[BINUTILS, AArch64] Enable Transactional Memory Extension
authorSudakshina Das <sudi.das@arm.com>
Wed, 1 May 2019 16:14:01 +0000 (17:14 +0100)
committerSudakshina Das <sudi.das@arm.com>
Wed, 1 May 2019 16:14:01 +0000 (17:14 +0100)
commitb83b4b138298d2a6bfab11f533d7e315c0a1c97b
tree78aa7ea03472fb0ee62aec2e1bcb7b5297ff42d6
parent2ecde2b63245d4794a4967f318772e7166feb310
[BINUTILS, AArch64] Enable Transactional Memory Extension

This patch enables the new Transactional Memory Extension added recently
as part of Arm's new architecture technologies.

We introduce a new optional extension "tme" to enable this. The following
instructions are part of the extension:
   * tstart <Xt>
   * ttest <Xt>
   * tcommit
   * tcancel #<imm>
The ISA for the above can be found here:
https://developer.arm.com/docs/ddi0602/latest/base-instructions-alphabetic-order

*** gas/ChangeLog ***

2019-05-01  Sudakshina Das  <sudi.das@arm.com>

* config/tc-aarch64.c (parse_operands): Add case for
AARCH64_OPND_TME_UIMM16.
(aarch64_features): Add "tme".
* doc/c-aarch64.texi: Document the same.
* testsuite/gas/aarch64/tme-invalid.d: New test.
* testsuite/gas/aarch64/tme-invalid.l: New test.
* testsuite/gas/aarch64/tme-invalid.s: New test.
* testsuite/gas/aarch64/tme.d: New test.
* testsuite/gas/aarch64/tme.s: New test.

*** include/ChangeLog ***

2019-05-01  Sudakshina Das  <sudi.das@arm.com>

* opcode/aarch64.h (AARCH64_FEATURE_TME): New.
(enum aarch64_opnd): Add AARCH64_OPND_TME_UIMM16.

*** opcodes/ChangeLog ***

2019-05-01  Sudakshina Das  <sudi.das@arm.com>

* aarch64-asm-2.c: Regenerated.
* aarch64-dis-2.c: Regenerated.
* aarch64-opc-2.c: Regenerated.
* aarch64-opc.c (operand_general_constraint_met_p): Add case for
AARCH64_OPND_TME_UIMM16.
(aarch64_print_operand): Likewise.
* aarch64-tbl.h (QL_IMM_NIL): New.
(TME): New.
(_TME_INSN): New.
(struct aarch64_opcode): Add tstart, tcommit, ttest and tcancel.
16 files changed:
gas/ChangeLog
gas/config/tc-aarch64.c
gas/doc/c-aarch64.texi
gas/testsuite/gas/aarch64/tme-invalid.d [new file with mode: 0644]
gas/testsuite/gas/aarch64/tme-invalid.l [new file with mode: 0644]
gas/testsuite/gas/aarch64/tme-invalid.s [new file with mode: 0644]
gas/testsuite/gas/aarch64/tme.d [new file with mode: 0644]
gas/testsuite/gas/aarch64/tme.s [new file with mode: 0644]
include/ChangeLog
include/opcode/aarch64.h
opcodes/ChangeLog
opcodes/aarch64-asm-2.c
opcodes/aarch64-dis-2.c
opcodes/aarch64-opc-2.c
opcodes/aarch64-opc.c
opcodes/aarch64-tbl.h