Index: llvm/trunk/lib/Target/AArch64/AArch64SVEInstrInfo.td
===================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64SVEInstrInfo.td
+++ llvm/trunk/lib/Target/AArch64/AArch64SVEInstrInfo.td
@@ -227,6 +227,18 @@
   defm GLD1D      : sve_mem_64b_gld_sv_32_scaled<0b1110, "ld1d",   ZPR64ExtSXTW64, ZPR64ExtUXTW64>;
   defm GLDFF1D    : sve_mem_64b_gld_sv_32_scaled<0b1111, "ldff1d", ZPR64ExtSXTW64, ZPR64ExtUXTW64>;
 
+  // Non-temporal contiguous loads (register + immediate)
+  defm LDNT1B_ZRI : sve_mem_cldnt_si<0b00, "ldnt1b", Z_b, ZPR8>;
+  defm LDNT1H_ZRI : sve_mem_cldnt_si<0b01, "ldnt1h", Z_h, ZPR16>;
+  defm LDNT1W_ZRI : sve_mem_cldnt_si<0b10, "ldnt1w", Z_s, ZPR32>;
+  defm LDNT1D_ZRI : sve_mem_cldnt_si<0b11, "ldnt1d", Z_d, ZPR64>;
+
+  // Non-temporal contiguous loads (register + register)
+  defm LDNT1B_ZRR : sve_mem_cldnt_ss<0b00, "ldnt1b", Z_b, ZPR8,  GPR64NoXZRshifted8>;
+  defm LDNT1H_ZRR : sve_mem_cldnt_ss<0b01, "ldnt1h", Z_h, ZPR16, GPR64NoXZRshifted16>;
+  defm LDNT1W_ZRR : sve_mem_cldnt_ss<0b10, "ldnt1w", Z_s, ZPR32, GPR64NoXZRshifted32>;
+  defm LDNT1D_ZRR : sve_mem_cldnt_ss<0b11, "ldnt1d", Z_d, ZPR64, GPR64NoXZRshifted64>;
+
   // contiguous store with immediates
   defm ST1B_IMM   : sve_mem_cst_si<0b00, 0b00, "st1b", Z_b, ZPR8>;
   defm ST1B_H_IMM : sve_mem_cst_si<0b00, 0b01, "st1b", Z_h, ZPR16>;
@@ -265,6 +277,18 @@
   defm ST3D_IMM : sve_mem_est_si<0b11, 0b10, ZZZ_d,  "st3d", simm4s3>;
   defm ST4D_IMM : sve_mem_est_si<0b11, 0b11, ZZZZ_d, "st4d", simm4s4>;
 
+  // Non-temporal contiguous stores (register + immediate)
+  defm STNT1B_ZRI : sve_mem_cstnt_si<0b00, "stnt1b", Z_b, ZPR8>;
+  defm STNT1H_ZRI : sve_mem_cstnt_si<0b01, "stnt1h", Z_h, ZPR16>;
+  defm STNT1W_ZRI : sve_mem_cstnt_si<0b10, "stnt1w", Z_s, ZPR32>;
+  defm STNT1D_ZRI : sve_mem_cstnt_si<0b11, "stnt1d", Z_d, ZPR64>;
+
+  // Non-temporal contiguous stores (register + register)
+  defm STNT1B_ZRR : sve_mem_cstnt_ss<0b00, "stnt1b", Z_b, ZPR8, GPR64NoXZRshifted8>;
+  defm STNT1H_ZRR : sve_mem_cstnt_ss<0b01, "stnt1h", Z_h, ZPR16, GPR64NoXZRshifted16>;
+  defm STNT1W_ZRR : sve_mem_cstnt_ss<0b10, "stnt1w", Z_s, ZPR32, GPR64NoXZRshifted32>;
+  defm STNT1D_ZRR : sve_mem_cstnt_ss<0b11, "stnt1d", Z_d, ZPR64, GPR64NoXZRshifted64>;
+
   defm ZIP1_ZZZ : sve_int_perm_bin_perm_zz<0b000, "zip1">;
   defm ZIP2_ZZZ : sve_int_perm_bin_perm_zz<0b001, "zip2">;
 
Index: llvm/trunk/lib/Target/AArch64/SVEInstrFormats.td
===================================================================
--- llvm/trunk/lib/Target/AArch64/SVEInstrFormats.td
+++ llvm/trunk/lib/Target/AArch64/SVEInstrFormats.td
@@ -590,6 +590,69 @@
                   (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, gprty:$Rm), 0>;
 }
 
+class sve_mem_cstnt_si<bits<2> msz, string asm, RegisterOperand VecList>
+: I<(outs), (ins VecList:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, simm4s1:$imm4),
+  asm, "\t$Zt, $Pg, [$Rn, $imm4, mul vl]",
+  "",
+  []>, Sched<[]> {
+  bits<3> Pg;
+  bits<5> Rn;
+  bits<5> Zt;
+  bits<4> imm4;
+  let Inst{31-25} = 0b1110010;
+  let Inst{24-23} = msz;
+  let Inst{22-20} = 0b001;
+  let Inst{19-16} = imm4;
+  let Inst{15-13} = 0b111;
+  let Inst{12-10} = Pg;
+  let Inst{9-5}   = Rn;
+  let Inst{4-0}   = Zt;
+
+  let mayStore = 1;
+}
+
+multiclass sve_mem_cstnt_si<bits<2> msz, string asm, RegisterOperand listty,
+                            ZPRRegOp zprty> {
+  def NAME : sve_mem_cstnt_si<msz, asm, listty>;
+
+  def : InstAlias<asm # "\t$Zt, $Pg, [$Rn]",
+                  (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, 0), 0>;
+  def : InstAlias<asm # "\t$Zt, $Pg, [$Rn, $imm4, mul vl]",
+                  (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, simm4s1:$imm4), 0>;
+  def : InstAlias<asm # "\t$Zt, $Pg, [$Rn]",
+                  (!cast<Instruction>(NAME) listty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, 0), 1>;
+}
+
+class sve_mem_cstnt_ss_base<bits<2> msz, string asm, RegisterOperand listty,
+                            RegisterOperand gprty>
+: I<(outs), (ins listty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, gprty:$Rm),
+  asm, "\t$Zt, $Pg, [$Rn, $Rm]",
+  "",
+  []>, Sched<[]> {
+  bits<3> Pg;
+  bits<5> Rm;
+  bits<5> Rn;
+  bits<5> Zt;
+  let Inst{31-25} = 0b1110010;
+  let Inst{24-23} = msz;
+  let Inst{22-21} = 0b00;
+  let Inst{20-16} = Rm;
+  let Inst{15-13} = 0b011;
+  let Inst{12-10} = Pg;
+  let Inst{9-5}   = Rn;
+  let Inst{4-0}   = Zt;
+
+  let mayStore = 1;
+}
+
+multiclass sve_mem_cstnt_ss<bits<2> msz, string asm, RegisterOperand listty,
+                            ZPRRegOp zprty, RegisterOperand gprty> {
+  def NAME : sve_mem_cstnt_ss_base<msz, asm, listty, gprty>;
+
+  def : InstAlias<asm # "\t$Zt, $Pg, [$Rn, $Rm]",
+                 (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, gprty:$Rm), 0>;
+}
+
 //===----------------------------------------------------------------------===//
 // SVE Permute - Predicates Group
 //===----------------------------------------------------------------------===//
@@ -666,6 +729,69 @@
                           ZPRRegOp zprty>
 : sve_mem_cld_si_base<dtype, 0, asm, listty, zprty>;
 
+class sve_mem_cldnt_si_base<bits<2> msz, string asm, RegisterOperand VecList>
+: I<(outs VecList:$Zt), (ins PPR3bAny:$Pg, GPR64sp:$Rn, simm4s1:$imm4),
+  asm, "\t$Zt, $Pg/z, [$Rn, $imm4, mul vl]",
+  "",
+  []>, Sched<[]> {
+  bits<5> Zt;
+  bits<3> Pg;
+  bits<5> Rn;
+  bits<4> imm4;
+  let Inst{31-25} = 0b1010010;
+  let Inst{24-23} = msz;
+  let Inst{22-20} = 0b000;
+  let Inst{19-16} = imm4;
+  let Inst{15-13} = 0b111;
+  let Inst{12-10} = Pg;
+  let Inst{9-5}   = Rn;
+  let Inst{4-0}   = Zt;
+
+  let mayLoad = 1;
+}
+
+multiclass sve_mem_cldnt_si<bits<2> msz, string asm, RegisterOperand listty,
+                            ZPRRegOp zprty> {
+  def NAME : sve_mem_cldnt_si_base<msz, asm, listty>;
+
+  def : InstAlias<asm # "\t$Zt, $Pg/z, [$Rn]",
+                  (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, 0), 0>;
+  def : InstAlias<asm # "\t$Zt, $Pg/z, [$Rn, $imm4, mul vl]",
+                  (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, simm4s1:$imm4), 0>;
+  def : InstAlias<asm # "\t$Zt, $Pg/z, [$Rn]",
+                  (!cast<Instruction>(NAME) listty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, 0), 1>;
+}
+
+class sve_mem_cldnt_ss_base<bits<2> msz, string asm, RegisterOperand VecList,
+                            RegisterOperand gprty>
+: I<(outs VecList:$Zt), (ins PPR3bAny:$Pg, GPR64sp:$Rn, gprty:$Rm),
+  asm, "\t$Zt, $Pg/z, [$Rn, $Rm]",
+  "",
+  []>, Sched<[]> {
+  bits<3> Pg;
+  bits<5> Rm;
+  bits<5> Rn;
+  bits<5> Zt;
+  let Inst{31-25} = 0b1010010;
+  let Inst{24-23} = msz;
+  let Inst{22-21} = 0b00;
+  let Inst{20-16} = Rm;
+  let Inst{15-13} = 0b110;
+  let Inst{12-10} = Pg;
+  let Inst{9-5}   = Rn;
+  let Inst{4-0}   = Zt;
+
+  let mayLoad = 1;
+}
+
+multiclass sve_mem_cldnt_ss<bits<2> msz, string asm, RegisterOperand listty,
+                            ZPRRegOp zprty, RegisterOperand gprty> {
+  def NAME : sve_mem_cldnt_ss_base<msz, asm, listty, gprty>;
+
+  def : InstAlias<asm # "\t$Zt, $Pg/z, [$Rn, $Rm]",
+                 (!cast<Instruction>(NAME) zprty:$Zt, PPR3bAny:$Pg, GPR64sp:$Rn, gprty:$Rm), 0>;
+}
+
 class sve_mem_ldqr_si<bits<2> sz, string asm, RegisterOperand VecList>
 : I<(outs VecList:$Zt), (ins PPR3bAny:$Pg, GPR64sp:$Rn, simm4s16:$imm4),
   asm, "\t$Zt, $Pg/z, [$Rn, $imm4]", "", []>, Sched<[]> {
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1b-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1b-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1b-diagnostics.s
@@ -0,0 +1,61 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+ldnt1b z23.b, p0/z, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1b z23.b, p0/z, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1b z29.b, p0/z, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1b z29.b, p0/z, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid result type.
+
+ldnt1b z0.h, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1b z0.h, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1b z0.s, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1b z0.s, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1b z0.d, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1b z0.d, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// restricted predicate has range [0, 7].
+
+ldnt1b z27.b, p8/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: ldnt1b z27.b, p8/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+ldnt1b { }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: ldnt1b { }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1b { z1.b, z2.b }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1b { z1.b, z2.b }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1b { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1b { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1b.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1b.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1b.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+ldnt1b  z0.b, p0/z, [x0]
+// CHECK-INST: ldnt1b  { z0.b }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x00,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 00 a4 <unknown>
+
+ldnt1b  { z0.b }, p0/z, [x0]
+// CHECK-INST: ldnt1b  { z0.b }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x00,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 00 a4 <unknown>
+
+ldnt1b  { z23.b }, p3/z, [x13, #-8, mul vl]
+// CHECK-INST: ldnt1b  { z23.b }, p3/z, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x08,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 08 a4 <unknown>
+
+ldnt1b  { z21.b }, p5/z, [x10, #7, mul vl]
+// CHECK-INST: ldnt1b  { z21.b }, p5/z, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x07,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 07 a4 <unknown>
+
+ldnt1b  { z0.b }, p0/z, [x0, x0]
+// CHECK-INST: ldnt1b  { z0.b }, p0/z, [x0, x0]
+// CHECK-ENCODING: [0x00,0xc0,0x00,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 c0 00 a4 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1d-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1d-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1d-diagnostics.s
@@ -0,0 +1,61 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+ldnt1d z23.d, p0/z, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1d z23.d, p0/z, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1d z29.d, p0/z, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1d z29.d, p0/z, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid result type.
+
+ldnt1d z0.b, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1d z0.b, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1d z0.h, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1d z0.h, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1d z0.s, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1d z0.s, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// restricted predicate has range [0, 7].
+
+ldnt1d z27.d, p8/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: ldnt1d z27.d, p8/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+ldnt1d { }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: ldnt1d { }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1d { z1.d, z2.d }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1d { z1.d, z2.d }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1d { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1d { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1d.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1d.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1d.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+ldnt1d  z0.d, p0/z, [x0]
+// CHECK-INST: ldnt1d  { z0.d }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x80,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 80 a5 <unknown>
+
+ldnt1d  { z0.d }, p0/z, [x0]
+// CHECK-INST: ldnt1d  { z0.d }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x80,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 80 a5 <unknown>
+
+ldnt1d  { z23.d }, p3/z, [x13, #-8, mul vl]
+// CHECK-INST: ldnt1d  { z23.d }, p3/z, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x88,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 88 a5 <unknown>
+
+ldnt1d  { z21.d }, p5/z, [x10, #7, mul vl]
+// CHECK-INST: ldnt1d  { z21.d }, p5/z, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x87,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 87 a5 <unknown>
+
+ldnt1d  { z0.d }, p0/z, [x0, x0, lsl #3]
+// CHECK-INST: ldnt1d  { z0.d }, p0/z, [x0, x0, lsl #3]
+// CHECK-ENCODING: [0x00,0xc0,0x80,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 c0 80 a5 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1h-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1h-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1h-diagnostics.s
@@ -0,0 +1,61 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+ldnt1h z23.h, p0/z, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1h z23.h, p0/z, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1h z29.h, p0/z, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1h z29.h, p0/z, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid result type.
+
+ldnt1h z0.b, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1h z0.b, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1h z0.s, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1h z0.s, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1h z0.d, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1h z0.d, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// restricted predicate has range [0, 7].
+
+ldnt1h z27.h, p8/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: ldnt1h z27.h, p8/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+ldnt1h { }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: ldnt1h { }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1h { z1.h, z2.h }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1h { z1.h, z2.h }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1h { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1h { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1h.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1h.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1h.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+ldnt1h  z0.h, p0/z, [x0]
+// CHECK-INST: ldnt1h  { z0.h }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x80,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 80 a4 <unknown>
+
+ldnt1h  { z0.h }, p0/z, [x0]
+// CHECK-INST: ldnt1h  { z0.h }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x80,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 80 a4 <unknown>
+
+ldnt1h  { z23.h }, p3/z, [x13, #-8, mul vl]
+// CHECK-INST: ldnt1h  { z23.h }, p3/z, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x88,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 88 a4 <unknown>
+
+ldnt1h  { z21.h }, p5/z, [x10, #7, mul vl]
+// CHECK-INST: ldnt1h  { z21.h }, p5/z, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x87,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 87 a4 <unknown>
+
+ldnt1h  { z0.h }, p0/z, [x0, x0, lsl #1]
+// CHECK-INST: ldnt1h  { z0.h }, p0/z, [x0, x0, lsl #1]
+// CHECK-ENCODING: [0x00,0xc0,0x80,0xa4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 c0 80 a4 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1w-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1w-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1w-diagnostics.s
@@ -0,0 +1,61 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+ldnt1w z23.s, p0/z, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1w z23.s, p0/z, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1w z29.s, p0/z, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: ldnt1w z29.s, p0/z, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid result type.
+
+ldnt1w z0.b, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1w z0.b, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1w z0.h, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1w z0.h, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1w z0.d, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: ldnt1w z0.d, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// restricted predicate has range [0, 7].
+
+ldnt1w z27.s, p8/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: ldnt1w z27.s, p8/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+ldnt1w { }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: ldnt1w { }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1w { z1.s, z2.s }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1w { z1.s, z2.s }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+ldnt1w { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: ldnt1w { v0.2d }, p0/z, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/ldnt1w.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/ldnt1w.s
+++ llvm/trunk/test/MC/AArch64/SVE/ldnt1w.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+ldnt1w  z0.s, p0/z, [x0]
+// CHECK-INST: ldnt1w  { z0.s }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x00,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 00 a5 <unknown>
+
+ldnt1w  { z0.s }, p0/z, [x0]
+// CHECK-INST: ldnt1w  { z0.s }, p0/z, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x00,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 00 a5 <unknown>
+
+ldnt1w  { z23.s }, p3/z, [x13, #-8, mul vl]
+// CHECK-INST: ldnt1w  { z23.s }, p3/z, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x08,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 08 a5 <unknown>
+
+ldnt1w  { z21.s }, p5/z, [x10, #7, mul vl]
+// CHECK-INST: ldnt1w  { z21.s }, p5/z, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x07,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 07 a5 <unknown>
+
+ldnt1w  { z0.s }, p0/z, [x0, x0, lsl #2]
+// CHECK-INST: ldnt1w  { z0.s }, p0/z, [x0, x0, lsl #2]
+// CHECK-ENCODING: [0x00,0xc0,0x00,0xa5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 c0 00 a5 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1b-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1b-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1b-diagnostics.s
@@ -0,0 +1,66 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+stnt1b z23.b, p0, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1b z23.b, p0, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1b z29.b, p0, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1b z29.b, p0, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid source type.
+
+stnt1b z0.h, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1b z0.h, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1b z0.s, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1b z0.s, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1b z0.d, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1b z0.d, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// invalid predicate
+
+stnt1b z27.b, p8, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: stnt1b z27.b, p8, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1b z0.h, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1b z0.h, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+stnt1b { }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: stnt1b { }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1b { z1.b, z2.b }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1b { z1.b, z2.b }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1b { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1b { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1b.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1b.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1b.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+stnt1b  z0.b, p0, [x0]
+// CHECK-INST: stnt1b  { z0.b }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x10,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 10 e4 <unknown>
+
+stnt1b  { z0.b }, p0, [x0]
+// CHECK-INST: stnt1b  { z0.b }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x10,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 10 e4 <unknown>
+
+stnt1b  { z23.b }, p3, [x13, #-8, mul vl]
+// CHECK-INST: stnt1b  { z23.b }, p3, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x18,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 18 e4 <unknown>
+
+stnt1b  { z21.b }, p5, [x10, #7, mul vl]
+// CHECK-INST: stnt1b  { z21.b }, p5, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x17,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 17 e4 <unknown>
+
+stnt1b  { z0.b }, p0, [x0, x0]
+// CHECK-INST: stnt1b  { z0.b }, p0, [x0, x0]
+// CHECK-ENCODING: [0x00,0x60,0x00,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 60 00 e4 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1d-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1d-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1d-diagnostics.s
@@ -0,0 +1,66 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+stnt1d z23.d, p0, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1d z23.d, p0, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1d z29.d, p0, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1d z29.d, p0, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid source type.
+
+stnt1d z0.b, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1d z0.b, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1d z0.h, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1d z0.h, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1d z0.s, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1d z0.s, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// invalid predicate
+
+stnt1d z27.d, p8, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: stnt1d z27.d, p8, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1d z0.d, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1d z0.d, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+stnt1d { }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: stnt1d { }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1d { z1.d, z2.d }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1d { z1.d, z2.d }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1d { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1d { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1d.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1d.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1d.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+stnt1d  z0.d, p0, [x0]
+// CHECK-INST: stnt1d  { z0.d }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x90,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 90 e5 <unknown>
+
+stnt1d  { z0.d }, p0, [x0]
+// CHECK-INST: stnt1d  { z0.d }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x90,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 90 e5 <unknown>
+
+stnt1d  { z23.d }, p3, [x13, #-8, mul vl]
+// CHECK-INST: stnt1d  { z23.d }, p3, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x98,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 98 e5 <unknown>
+
+stnt1d  { z21.d }, p5, [x10, #7, mul vl]
+// CHECK-INST: stnt1d  { z21.d }, p5, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x97,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 97 e5 <unknown>
+
+stnt1d  { z0.d }, p0, [x0, x0, lsl #3]
+// CHECK-INST: stnt1d  { z0.d }, p0, [x0, x0, lsl #3]
+// CHECK-ENCODING: [0x00,0x60,0x80,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 60 80 e5 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1h-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1h-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1h-diagnostics.s
@@ -0,0 +1,66 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+stnt1h z23.h, p0, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1h z23.h, p0, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1h z29.h, p0, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1h z29.h, p0, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid source type.
+
+stnt1h z0.b, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1h z0.b, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1h z0.s, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1h z0.s, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1h z0.d, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1h z0.d, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// invalid predicate
+
+stnt1h z27.h, p8, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: stnt1h z27.h, p8, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1h z0.h, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1h z0.h, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+stnt1h { }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: stnt1h { }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1h { z1.h, z2.h }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1h { z1.h, z2.h }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1h { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1h { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1h.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1h.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1h.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+stnt1h  z0.h, p0, [x0]
+// CHECK-INST: stnt1h  { z0.h }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x90,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 90 e4 <unknown>
+
+stnt1h  { z0.h }, p0, [x0]
+// CHECK-INST: stnt1h  { z0.h }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x90,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 90 e4 <unknown>
+
+stnt1h  { z23.h }, p3, [x13, #-8, mul vl]
+// CHECK-INST: stnt1h  { z23.h }, p3, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x98,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 98 e4 <unknown>
+
+stnt1h  { z21.h }, p5, [x10, #7, mul vl]
+// CHECK-INST: stnt1h  { z21.h }, p5, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x97,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 97 e4 <unknown>
+
+stnt1h  { z0.h }, p0, [x0, x0, lsl #1]
+// CHECK-INST: stnt1h  { z0.h }, p0, [x0, x0, lsl #1]
+// CHECK-ENCODING: [0x00,0x60,0x80,0xe4]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 60 80 e4 <unknown>
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1w-diagnostics.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1w-diagnostics.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1w-diagnostics.s
@@ -0,0 +1,66 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Immediate out of lower bound [-8, 7].
+
+stnt1w z23.s, p0, [x13, #-9, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1w z23.s, p0, [x13, #-9, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1w z29.s, p0, [x3, #8, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be an integer in range [-8, 7].
+// CHECK-NEXT: stnt1w z29.s, p0, [x3, #8, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid source type.
+
+stnt1w z0.b, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1w z0.b, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1w z0.h, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1w z0.h, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1w z0.d, p0, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1w z0.d, p0, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// invalid predicate
+
+stnt1w z27.s, p8, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: stnt1w z27.s, p8, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1w z0.s, p0/z, [x0]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: stnt1w z0.s, p0/z, [x0]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// --------------------------------------------------------------------------//
+// Invalid vector list.
+
+stnt1w { }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
+// CHECK-NEXT: stnt1w { }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1w { z1.s, z2.s }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1w { z1.s, z2.s }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+stnt1w { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: stnt1w { v0.2d }, p0, [x1, #1, MUL VL]
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
Index: llvm/trunk/test/MC/AArch64/SVE/stnt1w.s
===================================================================
--- llvm/trunk/test/MC/AArch64/SVE/stnt1w.s
+++ llvm/trunk/test/MC/AArch64/SVE/stnt1w.s
@@ -0,0 +1,38 @@
+// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
+// RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
+// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
+// RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
+// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
+// RUN:        | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
+
+stnt1w  z0.s, p0, [x0]
+// CHECK-INST: stnt1w  { z0.s }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x10,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 10 e5 <unknown>
+
+stnt1w  { z0.s }, p0, [x0]
+// CHECK-INST: stnt1w  { z0.s }, p0, [x0]
+// CHECK-ENCODING: [0x00,0xe0,0x10,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 e0 10 e5 <unknown>
+
+stnt1w  { z23.s }, p3, [x13, #-8, mul vl]
+// CHECK-INST: stnt1w  { z23.s }, p3, [x13, #-8, mul vl]
+// CHECK-ENCODING: [0xb7,0xed,0x18,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: b7 ed 18 e5 <unknown>
+
+stnt1w  { z21.s }, p5, [x10, #7, mul vl]
+// CHECK-INST: stnt1w  { z21.s }, p5, [x10, #7, mul vl]
+// CHECK-ENCODING: [0x55,0xf5,0x17,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 55 f5 17 e5 <unknown>
+
+stnt1w  { z0.s }, p0, [x0, x0, lsl #2]
+// CHECK-INST: stnt1w  { z0.s }, p0, [x0, x0, lsl #2]
+// CHECK-ENCODING: [0x00,0x60,0x00,0xe5]
+// CHECK-ERROR: instruction requires: sve
+// CHECK-UNKNOWN: 00 60 00 e5 <unknown>