[AArch64] Additional SVE instructions

This patch supports some additions to the SVE architecture prior to
its public release.

include/
	* opcode/aarch64.h (AARCH64_OPND_SVE_ADDR_RI_S4x16)
	(AARCH64_OPND_SVE_IMM_ROT1, AARCH64_OPND_SVE_IMM_ROT2)
	(AARCH64_OPND_SVE_Zm3_INDEX, AARCH64_OPND_SVE_Zm3_22_INDEX)
	(AARCH64_OPND_SVE_Zm4_INDEX): New aarch64_opnds.

opcodes/
	* aarch64-tbl.h (OP_SVE_HMH, OP_SVE_VMU_HSD, OP_SVE_VMVU_HSD)
	(OP_SVE_VMVV_HSD, OP_SVE_VMVVU_HSD, OP_SVE_VM_HSD, OP_SVE_VUVV_HSD)
	(OP_SVE_VUV_HSD, OP_SVE_VU_HSD, OP_SVE_VVVU_H, OP_SVE_VVVU_S)
	(OP_SVE_VVVU_HSD, OP_SVE_VVV_D, OP_SVE_VVV_D_H, OP_SVE_VVV_H)
	(OP_SVE_VVV_HSD, OP_SVE_VVV_S, OP_SVE_VVV_S_B, OP_SVE_VVV_SD_BH)
	(OP_SVE_VV_BHSDQ, OP_SVE_VV_HSD, OP_SVE_VZVV_HSD, OP_SVE_VZV_HSD)
	(OP_SVE_V_HSD): New macros.
	(OP_SVE_VMU_SD, OP_SVE_VMVU_SD, OP_SVE_VM_SD, OP_SVE_VUVV_SD)
	(OP_SVE_VU_SD, OP_SVE_VVVU_SD, OP_SVE_VVV_SD, OP_SVE_VZVV_SD)
	(OP_SVE_VZV_SD, OP_SVE_V_SD): Delete.
	(aarch64_opcode_table): Add new SVE instructions.
	(aarch64_opcode_table): Use imm_rotate{1,2} instead of imm_rotate
	for rotation operands.  Add new SVE operands.
	* aarch64-asm.h (ins_sve_addr_ri_s4): New inserter.
	(ins_sve_quad_index): Likewise.
	(ins_imm_rotate): Split into...
	(ins_imm_rotate1, ins_imm_rotate2): ...these two inserters.
	* aarch64-asm.c (aarch64_ins_imm_rotate): Split into...
	(aarch64_ins_imm_rotate1, aarch64_ins_imm_rotate2): ...these two
	functions.
	(aarch64_ins_sve_addr_ri_s4): New function.
	(aarch64_ins_sve_quad_index): Likewise.
	(do_misc_encoding): Handle "MOV Zn.Q, Qm".
	* aarch64-asm-2.c: Regenerate.
	* aarch64-dis.h (ext_sve_addr_ri_s4): New extractor.
	(ext_sve_quad_index): Likewise.
	(ext_imm_rotate): Split into...
	(ext_imm_rotate1, ext_imm_rotate2): ...these two extractors.
	* aarch64-dis.c (aarch64_ext_imm_rotate): Split into...
	(aarch64_ext_imm_rotate1, aarch64_ext_imm_rotate2): ...these two
	functions.
	(aarch64_ext_sve_addr_ri_s4): New function.
	(aarch64_ext_sve_quad_index): Likewise.
	(aarch64_ext_sve_index): Allow quad indices.
	(do_misc_decoding): Likewise.
	* aarch64-dis-2.c: Regenerate.
	* aarch64-opc.h (FLD_SVE_i3h, FLD_SVE_rot1, FLD_SVE_rot2): New
	aarch64_field_kinds.
	(OPD_F_OD_MASK): Widen by one bit.
	(OPD_F_NO_ZR): Bump accordingly.
	(get_operand_field_width): New function.
	* aarch64-opc.c (fields): Add new SVE fields.
	(operand_general_constraint_met_p): Handle new SVE operands.
	(aarch64_print_operand): Likewise.
	* aarch64-opc-2.c: Regenerate.

gas/
	* doc/c-aarch64.texi: Document that sve implies fp16, simd and compnum.
	* config/tc-aarch64.c (parse_vector_type_for_operand): Allow .q
	to be used with SVE registers.
	(parse_operands): Handle new SVE operands.
	(aarch64_features): Make "sve" require F16 rather than FP.  Also
	require COMPNUM.
	* testsuite/gas/aarch64/sve.s: Add tests for new instructions.
	Include compnum tests.
	* testsuite/gas/aarch64/sve.d: Update accordingly.
	* testsuite/gas/aarch64/sve-invalid.s: Add tests for new instructions.
	* testsuite/gas/aarch64/sve-invalid.l: Update accordingly.  Also
	update expected output for new FMOV and MOV alternatives.

2 files changed, 13 insertions, 0 deletions

diff --git a/include/ChangeLog b/include/ChangeLog
index 5a4d1e1..44f242c 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,5 +1,12 @@
 2017-02-24  Richard Sandiford  <richard.sandiford@arm.com>
 
+	* opcode/aarch64.h (AARCH64_OPND_SVE_ADDR_RI_S4x16)
+	(AARCH64_OPND_SVE_IMM_ROT1, AARCH64_OPND_SVE_IMM_ROT2)
+	(AARCH64_OPND_SVE_Zm3_INDEX, AARCH64_OPND_SVE_Zm3_22_INDEX)
+	(AARCH64_OPND_SVE_Zm4_INDEX): New aarch64_opnds.
+
+2017-02-24  Richard Sandiford  <richard.sandiford@arm.com>
+
 	* opcode/aarch64.h (AARCH64_FEATURE_COMPNUM): New macro.
 	(AARCH64_ARCH_V8_3): Include AARCH64_FEATURE_COMPNUM.
 
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index 8dbb540..37e2486 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -247,6 +247,7 @@ enum aarch64_opnd
   AARCH64_OPND_PRFOP,		/* Prefetch operation.  */
   AARCH64_OPND_BARRIER_PSB,	/* Barrier operand for PSB.  */
 
+  AARCH64_OPND_SVE_ADDR_RI_S4x16,   /* SVE [<Xn|SP>, #<simm4>*16].  */
   AARCH64_OPND_SVE_ADDR_RI_S4xVL,   /* SVE [<Xn|SP>, #<simm4>, MUL VL].  */
   AARCH64_OPND_SVE_ADDR_RI_S4x2xVL, /* SVE [<Xn|SP>, #<simm4>*2, MUL VL].  */
   AARCH64_OPND_SVE_ADDR_RI_S4x3xVL, /* SVE [<Xn|SP>, #<simm4>*3, MUL VL].  */
@@ -298,6 +299,8 @@ enum aarch64_opnd
   AARCH64_OPND_SVE_I1_HALF_ONE,	/* SVE choice between 0.5 and 1.0.  */
   AARCH64_OPND_SVE_I1_HALF_TWO,	/* SVE choice between 0.5 and 2.0.  */
   AARCH64_OPND_SVE_I1_ZERO_ONE,	/* SVE choice between 0.0 and 1.0.  */
+  AARCH64_OPND_SVE_IMM_ROT1,	/* SVE 1-bit rotate operand (90 or 270).  */
+  AARCH64_OPND_SVE_IMM_ROT2,	/* SVE 2-bit rotate operand (N*90).  */
   AARCH64_OPND_SVE_INV_LIMM,	/* SVE inverted logical immediate.  */
   AARCH64_OPND_SVE_LIMM,	/* SVE logical immediate.  */
   AARCH64_OPND_SVE_LIMM_MOV,	/* SVE logical immediate for MOV.  */
@@ -335,6 +338,9 @@ enum aarch64_opnd
   AARCH64_OPND_SVE_Zd,		/* SVE vector register in Zd.  */
   AARCH64_OPND_SVE_Zm_5,	/* SVE vector register in Zm, bits [9,5].  */
   AARCH64_OPND_SVE_Zm_16,	/* SVE vector register in Zm, bits [20,16].  */
+  AARCH64_OPND_SVE_Zm3_INDEX,	/* z0-z7[0-3] in Zm, bits [20,16].  */
+  AARCH64_OPND_SVE_Zm3_22_INDEX, /* z0-z7[0-7] in Zm3_INDEX plus bit 22.  */
+  AARCH64_OPND_SVE_Zm4_INDEX,	/* z0-z15[0-1] in Zm, bits [20,16].  */
   AARCH64_OPND_SVE_Zn,		/* SVE vector register in Zn.  */
   AARCH64_OPND_SVE_Zn_INDEX,	/* Indexed SVE vector register, for DUP.  */
   AARCH64_OPND_SVE_ZnxN,	/* SVE vector register list in Zn.  */