[binutils][aarch64] New SVE_SHLIMM_UNPRED_22 operand.

New operand describes a shift-left immediate encoded in bits
22:20-19:18-16 where UInt(bits) - esize == shift.
This operand is useful for instructions like sshllb.

gas/ChangeLog:

2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>

	* config/tc-aarch64.c (parse_operands): Handle new SVE_SHLIMM_UNPRED_22
	operand.

include/ChangeLog:

2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>

	* opcode/aarch64.h (enum aarch64_opnd): New SVE_SHLIMM_UNPRED_22
	operand.

opcodes/ChangeLog:

2019-05-09  Matthew Malcomson  <matthew.malcomson@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): Constraint checking
	for SVE_SHLIMM_UNPRED_22.
	(aarch64_print_operand): Add printing for SVE_SHLIMM_UNPRED_22.
	* aarch64-tbl.h (AARCH64_OPERANDS): Use new SVE_SHLIMM_UNPRED_22
	operand.
This commit is contained in:
Matthew Malcomson
2019-05-09 10:29:27 +01:00
parent fd1dc4a0c1
commit 28ed815ad2
10 changed files with 53 additions and 22 deletions

View File

@ -392,6 +392,7 @@ enum aarch64_opnd
AARCH64_OPND_SVE_Rn_SP, /* Integer Rn or SP, alt. SVE position. */
AARCH64_OPND_SVE_SHLIMM_PRED, /* SVE shift left amount (predicated). */
AARCH64_OPND_SVE_SHLIMM_UNPRED, /* SVE shift left amount (unpredicated). */
AARCH64_OPND_SVE_SHLIMM_UNPRED_22, /* SVE 3 bit shift left unpred. */
AARCH64_OPND_SVE_SHRIMM_PRED, /* SVE shift right amount (predicated). */
AARCH64_OPND_SVE_SHRIMM_UNPRED, /* SVE shift right amount (unpredicated). */
AARCH64_OPND_SVE_SHRIMM_UNPRED_22, /* SVE 3 bit shift right unpred. */