[binutils-gdb] [binutils][aarch64] New SVE_ADDR_ZX operand.

Matthew Malcomson matmal01@sourceware.org
Thu May 9 09:31:00 GMT 2019


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c469c86473273e115b267a6f8c93c8942deb93c4

commit c469c86473273e115b267a6f8c93c8942deb93c4
Author: Matthew Malcomson <matthew.malcomson@arm.com>
Date:   Thu May 9 10:29:18 2019 +0100

    [binutils][aarch64] New SVE_ADDR_ZX operand.
    
    Add AARCH64_OPND_SVE_ADDR_ZX operand that allows a vector of addresses
    in a Zn register, offset by an Xm register.
    This is used with scatter/gather SVE2 instructions.
    
    gas/ChangeLog:
    
    2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
    
    	* config/tc-aarch64.c (REG_ZR): Macro specifying zero register.
    	(parse_address_main): Account for new addressing mode [Zn.S, Xm].
    	(parse_operands): Handle new SVE_ADDR_ZX operand.
    
    include/ChangeLog:
    
    2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
    
    	* opcode/aarch64.h (enum aarch64_opnd): New SVE_ADDR_ZX 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_ADDR_ZX.
    	(aarch64_print_operand): Add printing for SVE_ADDR_ZX.
    	* aarch64-tbl.h (AARCH64_OPERANDS): Use new SVE_ADDR_ZX operand.

Diff:
---
 gas/ChangeLog            |  6 +++++
 gas/config/tc-aarch64.c  | 52 ++++++++++++++++++++++++++++++++++---
 include/ChangeLog        |  4 +++
 include/opcode/aarch64.h |  1 +
 opcodes/ChangeLog        | 10 ++++++++
 opcodes/aarch64-asm-2.c  | 67 ++++++++++++++++++++++++------------------------
 opcodes/aarch64-dis-2.c  | 67 ++++++++++++++++++++++++------------------------
 opcodes/aarch64-opc-2.c  |  1 +
 opcodes/aarch64-opc.c    | 18 +++++++++++++
 opcodes/aarch64-tbl.h    |  3 +++
 10 files changed, 159 insertions(+), 70 deletions(-)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index dc059ce..65cc8d1 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,11 @@
 2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
 
+	* config/tc-aarch64.c (REG_ZR): Macro specifying zero register.
+	(parse_address_main): Account for new addressing mode [Zn.S, Xm].
+	(parse_operands): Handle new SVE_ADDR_ZX operand.
+
+2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
+
 	* config/tc-aarch64.c (parse_operands): Handle new SVE_Zm3_11_INDEX
 	operand.
 
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index d29aa11..054935e 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -449,6 +449,7 @@ get_reg_expected_msg (aarch64_reg_type reg_type)
 
 /* Some well known registers that we refer to directly elsewhere.  */
 #define REG_SP	31
+#define REG_ZR	31
 
 /* Instructions take 4 bytes in the object file.  */
 #define INSN_SIZE	4
@@ -3393,6 +3394,7 @@ parse_shifter_operand_reloc (char **str, aarch64_opnd_info *operand,
      [base,Zm.D,(S|U)XTW {#imm}] // ignores top 32 bits of Zm.D elements
      [Zn.S,#imm]
      [Zn.D,#imm]
+     [Zn.S{, Xm}]
      [Zn.S,Zm.S{,LSL #imm}]      // in ADR
      [Zn.D,Zm.D{,LSL #imm}]      // in ADR
      [Zn.D,Zm.D,(S|U)XTW {#imm}] // in ADR
@@ -3558,6 +3560,7 @@ parse_address_main (char **str, aarch64_opnd_info *operand,
 		return FALSE;
 	    }
 	  /* We only accept:
+	     [base,Xm]  # For vector plus scalar SVE2 indexing.
 	     [base,Xm{,LSL #imm}]
 	     [base,Xm,SXTX {#imm}]
 	     [base,Wm,(S|U)XTW {#imm}]  */
@@ -3571,7 +3574,10 @@ parse_address_main (char **str, aarch64_opnd_info *operand,
 		  return FALSE;
 		}
 	      if (aarch64_get_qualifier_esize (*base_qualifier)
-		  != aarch64_get_qualifier_esize (*offset_qualifier))
+		  != aarch64_get_qualifier_esize (*offset_qualifier)
+		  && (operand->type != AARCH64_OPND_SVE_ADDR_ZX
+		      || *base_qualifier != AARCH64_OPND_QLF_S_S
+		      || *offset_qualifier != AARCH64_OPND_QLF_X))
 		{
 		  set_syntax_error (_("offset has different size from base"));
 		  return FALSE;
@@ -3689,7 +3695,9 @@ parse_address_main (char **str, aarch64_opnd_info *operand,
     }
 
   /* If at this point neither .preind nor .postind is set, we have a
-     bare [Rn]{!}; reject [Rn]! accept [Rn] as a shorthand for [Rn,#0].  */
+     bare [Rn]{!}; reject [Rn]! accept [Rn] as a shorthand for [Rn,#0].
+     For SVE2 vector plus scalar offsets, allow [Zn.<T>] as shorthand for
+     [Zn.<T>, xzr].  */
   if (operand->addr.preind == 0 && operand->addr.postind == 0)
     {
       if (operand->addr.writeback)
@@ -3700,8 +3708,17 @@ parse_address_main (char **str, aarch64_opnd_info *operand,
 	}
 
       operand->addr.preind = 1;
-      inst.reloc.exp.X_op = O_constant;
-      inst.reloc.exp.X_add_number = 0;
+      if (operand->type == AARCH64_OPND_SVE_ADDR_ZX)
+	{
+	  operand->addr.offset.is_reg = 1;
+	  operand->addr.offset.regno = REG_ZR;
+	  *offset_qualifier = AARCH64_OPND_QLF_X;
+	}
+      else
+	{
+	  inst.reloc.exp.X_op = O_constant;
+	  inst.reloc.exp.X_add_number = 0;
+	}
     }
 
   *str = p;
@@ -6419,6 +6436,33 @@ parse_operands (char *str, const aarch64_opcode *opcode)
 	  info->qualifier = offset_qualifier;
 	  goto regoff_addr;
 
+	case AARCH64_OPND_SVE_ADDR_ZX:
+	  /* [Zn.<T>{, <Xm>}].  */
+	  po_misc_or_fail (parse_sve_address (&str, info, &base_qualifier,
+					      &offset_qualifier));
+	  /* Things to check:
+	      base_qualifier either S_S or S_D
+	      offset_qualifier must be X
+	      */
+	  if ((base_qualifier != AARCH64_OPND_QLF_S_S
+	       && base_qualifier != AARCH64_OPND_QLF_S_D)
+	      || offset_qualifier != AARCH64_OPND_QLF_X)
+	    {
+	      set_syntax_error (_("invalid addressing mode"));
+	      goto failure;
+	    }
+	  info->qualifier = base_qualifier;
+	  if (!info->addr.offset.is_reg || info->addr.pcrel
+	      || !info->addr.preind || info->addr.writeback
+	      || info->shifter.operator_present != 0)
+	    {
+	      set_syntax_error (_("invalid addressing mode"));
+	      goto failure;
+	    }
+	  info->shifter.kind = AARCH64_MOD_LSL;
+	  break;
+
+
 	case AARCH64_OPND_SVE_ADDR_ZI_U5:
 	case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
 	case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
diff --git a/include/ChangeLog b/include/ChangeLog
index 5a35ca5..ca6ffd1 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,5 +1,9 @@
 2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
 
+	* opcode/aarch64.h (enum aarch64_opnd): New SVE_ADDR_ZX operand.
+
+2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
+
 	* opcode/aarch64.h (enum aarch64_opnd): New SVE_Zm3_11_INDEX operand.
 
 2019-05-09  Matthew Malcomson  <matthew.malcomson@arm.com>
diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
index c472334..ac440bc 100644
--- a/include/opcode/aarch64.h
+++ b/include/opcode/aarch64.h
@@ -337,6 +337,7 @@ enum aarch64_opnd
   AARCH64_OPND_SVE_ADDR_RX_LSL1,    /* SVE [<Xn|SP>, <Xm>, LSL #1].  */
   AARCH64_OPND_SVE_ADDR_RX_LSL2,    /* SVE [<Xn|SP>, <Xm>, LSL #2].  */
   AARCH64_OPND_SVE_ADDR_RX_LSL3,    /* SVE [<Xn|SP>, <Xm>, LSL #3].  */
+  AARCH64_OPND_SVE_ADDR_ZX,	    /* SVE [Zn.<T>{, <Xm>}].  */
   AARCH64_OPND_SVE_ADDR_RZ,	    /* SVE [<Xn|SP>, Zm.D].  */
   AARCH64_OPND_SVE_ADDR_RZ_LSL1,    /* SVE [<Xn|SP>, Zm.D, LSL #1].  */
   AARCH64_OPND_SVE_ADDR_RZ_LSL2,    /* SVE [<Xn|SP>, Zm.D, LSL #2].  */
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 5cdb6f0..279b4c8 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -4,6 +4,16 @@
 	* aarch64-dis-2.c: Regenerated.
 	* aarch64-opc-2.c: Regenerated.
 	* aarch64-opc.c (operand_general_constraint_met_p): Constraint checking
+	for SVE_ADDR_ZX.
+	(aarch64_print_operand): Add printing for SVE_ADDR_ZX.
+	* aarch64-tbl.h (AARCH64_OPERANDS): Use new SVE_ADDR_ZX operand.
+
+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_Zm3_11_INDEX.
 	(aarch64_print_operand): Add printing for SVE_Zm3_11_INDEX.
 	(fields): Handle SVE_i3l and SVE_i3h2 fields.
diff --git a/opcodes/aarch64-asm-2.c b/opcodes/aarch64-asm-2.c
index cfd414f..ac5bda4 100644
--- a/opcodes/aarch64-asm-2.c
+++ b/opcodes/aarch64-asm-2.c
@@ -628,7 +628,6 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 28:
     case 29:
     case 30:
-    case 161:
     case 162:
     case 163:
     case 164:
@@ -638,7 +637,7 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 168:
     case 169:
     case 170:
-    case 183:
+    case 171:
     case 184:
     case 185:
     case 186:
@@ -647,8 +646,9 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 189:
     case 190:
     case 191:
-    case 196:
-    case 199:
+    case 192:
+    case 197:
+    case 200:
       return aarch64_ins_regno (self, info, code, inst, errors);
     case 14:
       return aarch64_ins_reg_extended (self, info, code, inst, errors);
@@ -660,7 +660,7 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 32:
     case 33:
     case 34:
-    case 202:
+    case 203:
       return aarch64_ins_reglane (self, info, code, inst, errors);
     case 35:
       return aarch64_ins_reglist (self, info, code, inst, errors);
@@ -694,9 +694,8 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 80:
     case 81:
     case 82:
-    case 158:
-    case 160:
-    case 175:
+    case 159:
+    case 161:
     case 176:
     case 177:
     case 178:
@@ -704,7 +703,8 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 180:
     case 181:
     case 182:
-    case 201:
+    case 183:
+    case 202:
       return aarch64_ins_imm (self, info, code, inst, errors);
     case 43:
     case 44:
@@ -714,10 +714,10 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 47:
       return aarch64_ins_advsimd_imm_modified (self, info, code, inst, errors);
     case 51:
-    case 148:
+    case 149:
       return aarch64_ins_fpimm (self, info, code, inst, errors);
     case 68:
-    case 156:
+    case 157:
       return aarch64_ins_limm (self, info, code, inst, errors);
     case 69:
       return aarch64_ins_aimm (self, info, code, inst, errors);
@@ -727,11 +727,11 @@ aarch64_insert_operand (const aarch64_operand *self,
       return aarch64_ins_fbits (self, info, code, inst, errors);
     case 73:
     case 74:
-    case 153:
+    case 154:
       return aarch64_ins_imm_rotate2 (self, info, code, inst, errors);
     case 75:
-    case 152:
-    case 154:
+    case 153:
+    case 155:
       return aarch64_ins_imm_rotate1 (self, info, code, inst, errors);
     case 76:
     case 77:
@@ -802,8 +802,8 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 128:
     case 129:
     case 130:
-      return aarch64_ins_sve_addr_rr_lsl (self, info, code, inst, errors);
     case 131:
+      return aarch64_ins_sve_addr_rr_lsl (self, info, code, inst, errors);
     case 132:
     case 133:
     case 134:
@@ -811,49 +811,50 @@ aarch64_insert_operand (const aarch64_operand *self,
     case 136:
     case 137:
     case 138:
-      return aarch64_ins_sve_addr_rz_xtw (self, info, code, inst, errors);
     case 139:
+      return aarch64_ins_sve_addr_rz_xtw (self, info, code, inst, errors);
     case 140:
     case 141:
     case 142:
-      return aarch64_ins_sve_addr_zi_u5 (self, info, code, inst, errors);
     case 143:
-      return aarch64_ins_sve_addr_zz_lsl (self, info, code, inst, errors);
+      return aarch64_ins_sve_addr_zi_u5 (self, info, code, inst, errors);
     case 144:
-      return aarch64_ins_sve_addr_zz_sxtw (self, info, code, inst, errors);
+      return aarch64_ins_sve_addr_zz_lsl (self, info, code, inst, errors);
     case 145:
-      return aarch64_ins_sve_addr_zz_uxtw (self, info, code, inst, errors);
+      return aarch64_ins_sve_addr_zz_sxtw (self, info, code, inst, errors);
     case 146:
-      return aarch64_ins_sve_aimm (self, info, code, inst, errors);
+      return aarch64_ins_sve_addr_zz_uxtw (self, info, code, inst, errors);
     case 147:
+      return aarch64_ins_sve_aimm (self, info, code, inst, errors);
+    case 148:
       return aarch64_ins_sve_asimm (self, info, code, inst, errors);
-    case 149:
-      return aarch64_ins_sve_float_half_one (self, info, code, inst, errors);
     case 150:
-      return aarch64_ins_sve_float_half_two (self, info, code, inst, errors);
+      return aarch64_ins_sve_float_half_one (self, info, code, inst, errors);
     case 151:
+      return aarch64_ins_sve_float_half_two (self, info, code, inst, errors);
+    case 152:
       return aarch64_ins_sve_float_zero_one (self, info, code, inst, errors);
-    case 155:
+    case 156:
       return aarch64_ins_inv_limm (self, info, code, inst, errors);
-    case 157:
+    case 158:
       return aarch64_ins_sve_limm_mov (self, info, code, inst, errors);
-    case 159:
+    case 160:
       return aarch64_ins_sve_scale (self, info, code, inst, errors);
-    case 171:
     case 172:
-      return aarch64_ins_sve_shlimm (self, info, code, inst, errors);
     case 173:
+      return aarch64_ins_sve_shlimm (self, info, code, inst, errors);
     case 174:
+    case 175:
       return aarch64_ins_sve_shrimm (self, info, code, inst, errors);
-    case 192:
     case 193:
     case 194:
     case 195:
+    case 196:
       return aarch64_ins_sve_quad_index (self, info, code, inst, errors);
-    case 197:
-      return aarch64_ins_sve_index (self, info, code, inst, errors);
     case 198:
-    case 200:
+      return aarch64_ins_sve_index (self, info, code, inst, errors);
+    case 199:
+    case 201:
       return aarch64_ins_sve_reglist (self, info, code, inst, errors);
     default: assert (0); abort ();
     }
diff --git a/opcodes/aarch64-dis-2.c b/opcodes/aarch64-dis-2.c
index 0ab22b1..e6952bd 100644
--- a/opcodes/aarch64-dis-2.c
+++ b/opcodes/aarch64-dis-2.c
@@ -20059,7 +20059,6 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 28:
     case 29:
     case 30:
-    case 161:
     case 162:
     case 163:
     case 164:
@@ -20069,7 +20068,7 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 168:
     case 169:
     case 170:
-    case 183:
+    case 171:
     case 184:
     case 185:
     case 186:
@@ -20078,8 +20077,9 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 189:
     case 190:
     case 191:
-    case 196:
-    case 199:
+    case 192:
+    case 197:
+    case 200:
       return aarch64_ext_regno (self, info, code, inst, errors);
     case 9:
       return aarch64_ext_regrt_sysins (self, info, code, inst, errors);
@@ -20095,7 +20095,7 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 32:
     case 33:
     case 34:
-    case 202:
+    case 203:
       return aarch64_ext_reglane (self, info, code, inst, errors);
     case 35:
       return aarch64_ext_reglist (self, info, code, inst, errors);
@@ -20130,9 +20130,8 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 80:
     case 81:
     case 82:
-    case 158:
-    case 160:
-    case 175:
+    case 159:
+    case 161:
     case 176:
     case 177:
     case 178:
@@ -20140,7 +20139,8 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 180:
     case 181:
     case 182:
-    case 201:
+    case 183:
+    case 202:
       return aarch64_ext_imm (self, info, code, inst, errors);
     case 43:
     case 44:
@@ -20152,10 +20152,10 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 48:
       return aarch64_ext_shll_imm (self, info, code, inst, errors);
     case 51:
-    case 148:
+    case 149:
       return aarch64_ext_fpimm (self, info, code, inst, errors);
     case 68:
-    case 156:
+    case 157:
       return aarch64_ext_limm (self, info, code, inst, errors);
     case 69:
       return aarch64_ext_aimm (self, info, code, inst, errors);
@@ -20165,11 +20165,11 @@ aarch64_extract_operand (const aarch64_operand *self,
       return aarch64_ext_fbits (self, info, code, inst, errors);
     case 73:
     case 74:
-    case 153:
+    case 154:
       return aarch64_ext_imm_rotate2 (self, info, code, inst, errors);
     case 75:
-    case 152:
-    case 154:
+    case 153:
+    case 155:
       return aarch64_ext_imm_rotate1 (self, info, code, inst, errors);
     case 76:
     case 77:
@@ -20240,8 +20240,8 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 128:
     case 129:
     case 130:
-      return aarch64_ext_sve_addr_rr_lsl (self, info, code, inst, errors);
     case 131:
+      return aarch64_ext_sve_addr_rr_lsl (self, info, code, inst, errors);
     case 132:
     case 133:
     case 134:
@@ -20249,49 +20249,50 @@ aarch64_extract_operand (const aarch64_operand *self,
     case 136:
     case 137:
     case 138:
-      return aarch64_ext_sve_addr_rz_xtw (self, info, code, inst, errors);
     case 139:
+      return aarch64_ext_sve_addr_rz_xtw (self, info, code, inst, errors);
     case 140:
     case 141:
     case 142:
-      return aarch64_ext_sve_addr_zi_u5 (self, info, code, inst, errors);
     case 143:
-      return aarch64_ext_sve_addr_zz_lsl (self, info, code, inst, errors);
+      return aarch64_ext_sve_addr_zi_u5 (self, info, code, inst, errors);
     case 144:
-      return aarch64_ext_sve_addr_zz_sxtw (self, info, code, inst, errors);
+      return aarch64_ext_sve_addr_zz_lsl (self, info, code, inst, errors);
     case 145:
-      return aarch64_ext_sve_addr_zz_uxtw (self, info, code, inst, errors);
+      return aarch64_ext_sve_addr_zz_sxtw (self, info, code, inst, errors);
     case 146:
-      return aarch64_ext_sve_aimm (self, info, code, inst, errors);
+      return aarch64_ext_sve_addr_zz_uxtw (self, info, code, inst, errors);
     case 147:
+      return aarch64_ext_sve_aimm (self, info, code, inst, errors);
+    case 148:
       return aarch64_ext_sve_asimm (self, info, code, inst, errors);
-    case 149:
-      return aarch64_ext_sve_float_half_one (self, info, code, inst, errors);
     case 150:
-      return aarch64_ext_sve_float_half_two (self, info, code, inst, errors);
+      return aarch64_ext_sve_float_half_one (self, info, code, inst, errors);
     case 151:
+      return aarch64_ext_sve_float_half_two (self, info, code, inst, errors);
+    case 152:
       return aarch64_ext_sve_float_zero_one (self, info, code, inst, errors);
-    case 155:
+    case 156:
       return aarch64_ext_inv_limm (self, info, code, inst, errors);
-    case 157:
+    case 158:
       return aarch64_ext_sve_limm_mov (self, info, code, inst, errors);
-    case 159:
+    case 160:
       return aarch64_ext_sve_scale (self, info, code, inst, errors);
-    case 171:
     case 172:
-      return aarch64_ext_sve_shlimm (self, info, code, inst, errors);
     case 173:
+      return aarch64_ext_sve_shlimm (self, info, code, inst, errors);
     case 174:
+    case 175:
       return aarch64_ext_sve_shrimm (self, info, code, inst, errors);
-    case 192:
     case 193:
     case 194:
     case 195:
+    case 196:
       return aarch64_ext_sve_quad_index (self, info, code, inst, errors);
-    case 197:
-      return aarch64_ext_sve_index (self, info, code, inst, errors);
     case 198:
-    case 200:
+      return aarch64_ext_sve_index (self, info, code, inst, errors);
+    case 199:
+    case 201:
       return aarch64_ext_sve_reglist (self, info, code, inst, errors);
     default: assert (0); abort ();
     }
diff --git a/opcodes/aarch64-opc-2.c b/opcodes/aarch64-opc-2.c
index 1a2aeff..eef857e 100644
--- a/opcodes/aarch64-opc-2.c
+++ b/opcodes/aarch64-opc-2.c
@@ -151,6 +151,7 @@ const struct aarch64_operand aarch64_operands[] =
   {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RX_LSL1", (1 << OPD_F_OD_LSB) | OPD_F_NO_ZR | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn,FLD_Rm}, "an address with a scalar register offset"},
   {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RX_LSL2", (2 << OPD_F_OD_LSB) | OPD_F_NO_ZR | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn,FLD_Rm}, "an address with a scalar register offset"},
   {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RX_LSL3", (3 << OPD_F_OD_LSB) | OPD_F_NO_ZR | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn,FLD_Rm}, "an address with a scalar register offset"},
+  {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_ZX", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_SVE_Zn,FLD_Rm}, "vector of address with a scalar register offset"},
   {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RZ", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn,FLD_SVE_Zm_16}, "an address with a vector register offset"},
   {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RZ_LSL1", 1 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn,FLD_SVE_Zm_16}, "an address with a vector register offset"},
   {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RZ_LSL2", 2 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn,FLD_SVE_Zm_16}, "an address with a vector register offset"},
diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 538d57e..23b1503 100644
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -1899,6 +1899,17 @@ operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
 	  max_value = 7;
 	  goto sve_imm_offset;
 
+	case AARCH64_OPND_SVE_ADDR_ZX:
+	  /* Everything is already ensured by parse_operands or
+	     aarch64_ext_sve_addr_rr_lsl (because this is a very specific
+	     argument type).  */
+	  assert (opnd->addr.offset.is_reg);
+	  assert (opnd->addr.preind);
+	  assert ((aarch64_operands[type].flags & OPD_F_NO_ZR) == 0);
+	  assert (opnd->shifter.kind == AARCH64_MOD_LSL);
+	  assert (opnd->shifter.operator_present == 0);
+	  break;
+
 	case AARCH64_OPND_SVE_ADDR_R:
 	case AARCH64_OPND_SVE_ADDR_RR:
 	case AARCH64_OPND_SVE_ADDR_RR_LSL1:
@@ -3583,6 +3594,13 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
 	 get_offset_int_reg_name (opnd));
       break;
 
+    case AARCH64_OPND_SVE_ADDR_ZX:
+      print_register_offset_address
+	(buf, size, opnd,
+	 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
+	 get_64bit_int_reg_name (opnd->addr.offset.regno, 0));
+      break;
+
     case AARCH64_OPND_SVE_ADDR_RZ:
     case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
     case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
diff --git a/opcodes/aarch64-tbl.h b/opcodes/aarch64-tbl.h
index d62c53b..ba5d6b5 100644
--- a/opcodes/aarch64-tbl.h
+++ b/opcodes/aarch64-tbl.h
@@ -4807,6 +4807,9 @@ struct aarch64_opcode aarch64_opcode_table[] =
     Y(ADDRESS, sve_addr_rr_lsl, "SVE_ADDR_RX_LSL3",			\
       (3 << OPD_F_OD_LSB) | OPD_F_NO_ZR, F(FLD_Rn,FLD_Rm),		\
       "an address with a scalar register offset")			\
+    Y(ADDRESS, sve_addr_rr_lsl, "SVE_ADDR_ZX",				\
+      0 << OPD_F_OD_LSB , F(FLD_SVE_Zn,FLD_Rm),				\
+      "vector of address with a scalar register offset")		\
     Y(ADDRESS, sve_addr_rr_lsl, "SVE_ADDR_RZ", 0 << OPD_F_OD_LSB,	\
       F(FLD_Rn,FLD_SVE_Zm_16),						\
       "an address with a vector register offset")			\



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