diff --git a/llvm/lib/Target/SBF/Disassembler/SBFDisassembler.cpp b/llvm/lib/Target/SBF/Disassembler/SBFDisassembler.cpp
index d3cad4bc32321d4..55c24d9c3288e80 100644
--- a/llvm/lib/Target/SBF/Disassembler/SBFDisassembler.cpp
+++ b/llvm/lib/Target/SBF/Disassembler/SBFDisassembler.cpp
@@ -68,6 +68,7 @@ class SBFDisassembler : public MCDisassembler {
   uint8_t getInstSize(uint64_t Inst) const { return (Inst >> 59) & 0x3; };
   uint8_t getInstMode(uint64_t Inst) const { return (Inst >> 61) & 0x7; };
   bool isMov32(uint64_t Inst) const { return (Inst >> 56) == 0xb4; }
+  bool isNewMem(uint64_t Inst) const;
 };
 
 } // end anonymous namespace
@@ -156,6 +157,18 @@ static DecodeStatus readInstruction64(ArrayRef<uint8_t> Bytes, uint64_t Address,
   return MCDisassembler::Success;
 }
 
+bool SBFDisassembler::isNewMem(uint64_t Inst) const {
+  uint8_t OpCode = Inst >> 56;
+
+  uint8_t LSB = OpCode & 0xf;
+  if (LSB != 0x7 && LSB != 0xc && LSB != 0xf)
+    return false;
+
+  uint8_t MSB = OpCode >> 4;
+
+  return MSB == 0x2 || MSB == 0x3 || MSB == 0x8 || MSB == 0x9;
+}
+
 DecodeStatus SBFDisassembler::getInstruction(MCInst &Instr, uint64_t &Size,
                                              ArrayRef<uint8_t> Bytes,
                                              uint64_t Address,
@@ -171,6 +184,7 @@ DecodeStatus SBFDisassembler::getInstruction(MCInst &Instr, uint64_t &Size,
   uint8_t InstClass = getInstClass(Insn);
   uint8_t InstMode = getInstMode(Insn);
 
+
   if ((InstClass == SBF_LDX || InstClass == SBF_STX) &&
       getInstSize(Insn) != SBF_DW &&
       (InstMode == SBF_MEM || InstMode == SBF_ATOMIC) &&
@@ -181,6 +195,16 @@ DecodeStatus SBFDisassembler::getInstruction(MCInst &Instr, uint64_t &Size,
            STI.hasFeature(SBF::FeatureDisableLddw))
     Result =
         decodeInstruction(DecoderTableSBFv264, Instr, Insn, Address, this, STI);
+  else if (isNewMem(Insn) && (Insn >> 60) != 0x9 &&
+           STI.hasFeature(SBF::FeatureNewMemEncoding) &&
+           STI.hasFeature(SBF::ALU32))
+    Result =
+        decodeInstruction(DecoderTableSBFALU32MEM64,
+                          Instr, Insn, Address, this, STI);
+  else if (isNewMem(Insn) && STI.hasFeature(SBF::FeatureNewMemEncoding))
+    Result =
+        decodeInstruction(DecoderTableSBFv264,
+                          Instr, Insn, Address, this, STI);
   else
     Result =
         decodeInstruction(DecoderTableSBF64, Instr, Insn, Address, this, STI);
diff --git a/llvm/lib/Target/SBF/SBFInstrInfo.td b/llvm/lib/Target/SBF/SBFInstrInfo.td
index ae01cb09919dd3b..b48b74df179489c 100644
--- a/llvm/lib/Target/SBF/SBFInstrInfo.td
+++ b/llvm/lib/Target/SBF/SBFInstrInfo.td
@@ -1305,7 +1305,7 @@ multiclass STOREi32<SBFWidthModifer SizeV1, SBFSizeModifier SizeV2,
     }
 }
 
-let DecoderNamespace = "SBFALU32" in {
+let DecoderNamespace = "SBFALU32MEM" in {
   defm STW32 : STOREi32<SBF_W, SBF_W_V2, "stxw">;
   defm STH32 : STOREi32<SBF_H, SBF_H_V2, "stxh">;
   defm STB32 : STOREi32<SBF_B, SBF_B_V2, "stxb">;
@@ -1368,7 +1368,7 @@ multiclass LOADi32<SBFWidthModifer SizeV1, SBFSizeModifier SizeV2,
  }
 }
 
-let DecoderNamespace = "SBFALU32" in {
+let DecoderNamespace = "SBFALU32MEM" in {
   defm LDW32 : LOADi32<SBF_W, SBF_W_V2, "ldxw">;
   defm LDH32 : LOADi32<SBF_H, SBF_H_V2, "ldxh">;
   defm LDB32 : LOADi32<SBF_B, SBF_B_V2, "ldxb">;
diff --git a/llvm/test/MC/Disassembler/SBF/sbf-ldst-new.txt b/llvm/test/MC/Disassembler/SBF/sbf-ldst-new.txt
new file mode 100644
index 000000000000000..54f903f72cc11b7
--- /dev/null
+++ b/llvm/test/MC/Disassembler/SBF/sbf-ldst-new.txt
@@ -0,0 +1,62 @@
+# RUN: llvm-mc --disassemble %s -triple=sbf-solana-solana -mattr=+mem-encoding,+pqr-instr \
+# RUN:                          | FileCheck %s --check-prefix=CHECK-NEW
+# RUN: llvm-mc --disassemble %s -triple=sbf-solana-solana -mattr=+alu32,+mem-encoding,+pqr-instr \
+# RUN:                          | FileCheck %s --check-prefix=CHECK32-NEW
+
+
+# CHECK-NEW: ldxb r6, [r1 + 17]
+# CHECK-NEW: ldxb r1, [r10 - 3]
+# CHECK-NEW: ldxh r8, [r2 + 32]
+# CHECK-NEW: ldxw r4, [r3 + 64]
+# CHECK-NEW: ldxdw r0, [r4 + 128]
+0x2c,0x16,0x11,0x00,0x00,0x00,0x00,0x00
+0x2c,0xa1,0xfd,0xff,0x00,0x00,0x00,0x00
+0x3c,0x28,0x20,0x00,0x00,0x00,0x00,0x00
+0x8c,0x34,0x40,0x00,0x00,0x00,0x00,0x00
+0x9c,0x40,0x80,0x00,0x00,0x00,0x00,0x00
+
+
+
+# CHECK32-NEW: ldxb w6, [r1 + 17]
+# CHECK32-NEW: ldxb w1, [r10 - 3]
+# CHECK32-NEW: ldxh w8, [r2 + 32]
+# CHECK32-NEW: ldxw w4, [r3 + 64]
+0x2c,0x16,0x11,0x00,0x00,0x00,0x00,0x00
+0x2c,0xa1,0xfd,0xff,0x00,0x00,0x00,0x00
+0x3c,0x28,0x20,0x00,0x00,0x00,0x00,0x00
+0x8c,0x34,0x40,0x00,0x00,0x00,0x00,0x00
+
+
+
+# CHECK-NEW: stxb [r1 + 17], r6
+# CHECK-NEW: stxb [r10 - 3], r1
+# CHECK-NEW: stxh [r2 + 32], r8
+# CHECK-NEW: stxw [r3 + 64], r4
+# CHECK-NEW: stxdw [r4 + 128], r0
+0x2f,0x61,0x11,0x00,0x00,0x00,0x00,0x00
+0x2f,0x1a,0xfd,0xff,0x00,0x00,0x00,0x00
+0x3f,0x82,0x20,0x00,0x00,0x00,0x00,0x00
+0x8f,0x43,0x40,0x00,0x00,0x00,0x00,0x00
+0x9f,0x04,0x80,0x00,0x00,0x00,0x00,0x00
+
+
+
+# CHECK32-NEW: stxb [r1 + 17], w6
+# CHECK32-NEW: stxb [r10 - 3], w1
+# CHECK32-NEW: stxh [r2 + 32], w8
+# CHECK32-NEW: stxw [r3 + 64], w4
+0x2f,0x61,0x11,0x00,0x00,0x00,0x00,0x00
+0x2f,0x1a,0xfd,0xff,0x00,0x00,0x00,0x00
+0x3f,0x82,0x20,0x00,0x00,0x00,0x00,0x00
+0x8f,0x43,0x40,0x00,0x00,0x00,0x00,0x00
+
+
+
+# CHECK-NEW: stb [r10 - 8], 2
+# CHECK-NEW: sth [r9 + 4], -20
+# CHECK-NEW: stw [r4 - 16], 34
+# CHECK-NEW: stdw [r1 + 24], 65534
+0x27,0x0a,0xf8,0xff,0x02,0x00,0x00,0x00
+0x37,0x09,0x04,0x00,0xec,0xff,0xff,0xff
+0x87,0x04,0xf0,0xff,0x22,0x00,0x00,0x00
+0x97,0x01,0x18,0x00,0xfe,0xff,0x00,0x00
\ No newline at end of file
diff --git a/llvm/test/MC/SBF/sbf-ldst-new.s b/llvm/test/MC/SBF/sbf-ldst-new.s
new file mode 100644
index 000000000000000..5c2ac216f709f01
--- /dev/null
+++ b/llvm/test/MC/SBF/sbf-ldst-new.s
@@ -0,0 +1,91 @@
+# RUN: llvm-mc %s -triple=sbf-solana-solana -mattr=+mem-encoding,+pqr-instr --show-encoding \
+# RUN:     | FileCheck %s --check-prefix=CHECK-ASM-NEW
+# RUN: llvm-mc %s -triple=sbf-solana-solana -mcpu=sbfv2 -mattr=+mem-encoding,+pqr-instr -filetype=obj \
+# RUN:     | llvm-objdump --mattr=+mem-encoding,+pqr-instr -d -r - \
+# RUN:     | FileCheck --check-prefix=CHECK-OBJ-NEW %s
+# RUN: llvm-mc %s -triple=sbf-solana-solana -mattr=+alu32,+mem-encoding,+pqr-instr --show-encoding \
+# RUN:     | FileCheck %s --check-prefix=CHECK32-ASM-NEW
+# RUN: llvm-mc %s -triple=sbf-solana-solana -mcpu=sbfv2 -mattr=+alu32,+mem-encoding,+pqr-instr -filetype=obj \
+# RUN:     | llvm-objdump --mattr=+mem-encoding,+pqr-instr,+alu32 -d -r - \
+# RUN:     | FileCheck --check-prefix=CHECK32-OBJ-NEW %s
+
+
+
+# CHECK-OBJ-NEW: ldxb r6, [r1 + 0x11]
+# CHECK-OBJ-NEW: ldxb r1, [r10 - 0x3]
+# CHECK-OBJ-NEW: ldxh r8, [r2 + 0x20]
+# CHECK-OBJ-NEW: ldxw r4, [r3 + 0x40]
+# CHECK-OBJ-NEW: ldxdw r0, [r4 + 0x80]
+# CHECK-ASM-NEW: encoding: [0x2c,0x16,0x11,0x00,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x2c,0xa1,0xfd,0xff,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x3c,0x28,0x20,0x00,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x8c,0x34,0x40,0x00,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x9c,0x40,0x80,0x00,0x00,0x00,0x00,0x00]
+ldxb r6, [r1 + 17]
+ldxb r1, [r10 - 3]
+ldxh r8, [r2 + 32]
+ldxw r4, [r3 + 64]
+ldxdw r0, [r4 + 128]
+
+
+
+# CHECK32-OBJ-NEW: ldxb w6, [r1 + 0x11]
+# CHECK32-OBJ-NEW: ldxb w1, [r10 - 0x3]
+# CHECK32-OBJ-NEW: ldxh w8, [r2 + 0x20]
+# CHECK32-OBJ-NEW: ldxw w4, [r3 + 0x40]
+# CHECK32-ASM-NEW: encoding: [0x2c,0x16,0x11,0x00,0x00,0x00,0x00,0x00]
+# CHECK32-ASM-NEW: encoding: [0x2c,0xa1,0xfd,0xff,0x00,0x00,0x00,0x00]
+# CHECK32-ASM-NEW: encoding: [0x3c,0x28,0x20,0x00,0x00,0x00,0x00,0x00]
+# CHECK32-ASM-NEW: encoding: [0x8c,0x34,0x40,0x00,0x00,0x00,0x00,0x00]
+ldxb w6, [r1 + 17]
+ldxb w1, [r10 - 3]
+ldxh w8, [r2 + 32]
+ldxw w4, [r3 + 64]
+
+
+
+# CHECK-OBJ-NEW: stxb [r1 + 0x11], r6
+# CHECK-OBJ-NEW: stxb [r10 - 0x3], r1
+# CHECK-OBJ-NEW: stxh [r2 + 0x20], r8
+# CHECK-OBJ-NEW: stxw [r3 + 0x40], r4
+# CHECK-OBJ-NEW: stxdw [r4 + 0x80], r0
+# CHECK-ASM-NEW: encoding: [0x2f,0x61,0x11,0x00,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x2f,0x1a,0xfd,0xff,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x3f,0x82,0x20,0x00,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x8f,0x43,0x40,0x00,0x00,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x9f,0x04,0x80,0x00,0x00,0x00,0x00,0x00]
+stxb [r1 + 17], r6
+stxb [r10 - 3], r1
+stxh [r2 + 32], r8
+stxw [r3 + 64], r4
+stxdw [r4 + 128], r0
+
+
+
+# CHECK32-OBJ-NEW: stxb [r1 + 0x11], w6
+# CHECK32-OBJ-NEW: stxb [r10 - 0x3], w1
+# CHECK32-OBJ-NEW: stxh [r2 + 0x20], w8
+# CHECK32-OBJ-NEW: stxw [r3 + 0x40], w4
+# CHECK32-ASM-NEW: encoding: [0x2f,0x61,0x11,0x00,0x00,0x00,0x00,0x00]
+# CHECK32-ASM-NEW: encoding: [0x2f,0x1a,0xfd,0xff,0x00,0x00,0x00,0x00]
+# CHECK32-ASM-NEW: encoding: [0x3f,0x82,0x20,0x00,0x00,0x00,0x00,0x00]
+# CHECK32-ASM-NEW: encoding: [0x8f,0x43,0x40,0x00,0x00,0x00,0x00,0x00]
+stxb [r1 + 17], w6
+stxb [r10 - 3], w1
+stxh [r2 + 32], w8
+stxw [r3 + 64], w4
+
+
+
+# CHECK-OBJ-NEW: stb [r10 - 0x8], 0x2
+# CHECK-OBJ-NEW: sth [r9 + 0x4], -0x14
+# CHECK-OBJ-NEW: stw [r4 - 0x10], 0x22
+# CHECK-OBJ-NEW: stdw [r1 + 0x18], 0xfffe
+# CHECK-ASM-NEW: encoding: [0x27,0x0a,0xf8,0xff,0x02,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x37,0x09,0x04,0x00,0xec,0xff,0xff,0xff]
+# CHECK-ASM-NEW: encoding: [0x87,0x04,0xf0,0xff,0x22,0x00,0x00,0x00]
+# CHECK-ASM-NEW: encoding: [0x97,0x01,0x18,0x00,0xfe,0xff,0x00,0x00]
+stb [r10 - 8], 2
+sth [r9 + 4], -20
+stw [r4 - 16], 34
+stdw [r1 + 24], 65534
\ No newline at end of file