[binutils-gdb] [AArch64] Add ARMv8.3 FCMLA and FCADD instructions

[sergiodj+buildbot at sergiodj dot net]

*** TEST RESULTS FOR COMMIT c2c4ff8d52a2cd3263a547b0384692498714aa1b ***

Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Branch: master
Commit: c2c4ff8d52a2cd3263a547b0384692498714aa1b

[AArch64] Add ARMv8.3 FCMLA and FCADD instructions

Add support for FCMLA and FCADD complex arithmetic SIMD instructions.
FCMLA has an indexed element variant where the index range has to be
treated specially because a complex number takes two elements and the
indexed vector size depends on the other operands.

These complex number SIMD instructions are part of ARMv8.3
https://community.arm.com/groups/processors/blog/2016/10/27/armv8-a-architecture-2016-additions

include/
2016-11-18  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* opcode/aarch64.h (enum aarch64_opnd): Add AARCH64_OPND_IMM_ROT1,
	AARCH64_OPND_IMM_ROT2, AARCH64_OPND_IMM_ROT3.
	(enum aarch64_op): Add OP_FCMLA_ELEM.

opcodes/
2016-11-18  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* aarch64-tbl.h (QL_V3SAMEHSD_ROT, QL_ELEMENT_ROT): Define.
	(aarch64_feature_simd_v8_3, SIMD_V8_3): Define.
	(aarch64_opcode_table): Add fcmla and fcadd.
	(AARCH64_OPERANDS): Add IMM_ROT{1,2,3}.
	* aarch64-asm.h (aarch64_ins_imm_rotate): Declare.
	* aarch64-asm.c (aarch64_ins_imm_rotate): Define.
	* aarch64-dis.h (aarch64_ext_imm_rotate): Declare.
	* aarch64-dis.c (aarch64_ext_imm_rotate): Define.
	* aarch64-opc.h (enum aarch64_field_kind): Add FLD_rotate{1,2,3}.
	* aarch64-opc.c (fields): Add FLD_rotate{1,2,3}.
	(operand_general_constraint_met_p): Rotate and index range check.
	(aarch64_print_operand): Handle rotate operand.
	* aarch64-asm-2.c: Regenerate.
	* aarch64-dis-2.c: Likewise.
	* aarch64-opc-2.c: Likewise.

gas/
2016-11-18  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* config/tc-aarch64.c (parse_operands): Handle AARCH64_OPND_IMM_ROT*.
	* testsuite/gas/aarch64/advsimd-armv8_3.d: New.
	* testsuite/gas/aarch64/advsimd-armv8_3.s: New.
	* testsuite/gas/aarch64/illegal-fcmla.s: New.
	* testsuite/gas/aarch64/illegal-fcmla.l: New.
	* testsuite/gas/aarch64/illegal-fcmla.d: New.