diff --git a/dev_tools/parsers/parse_binutils_riscv.py b/dev_tools/parsers/parse_binutils_riscv.py
index 1809c6cd..b7e7824c 100644
--- a/dev_tools/parsers/parse_binutils_riscv.py
+++ b/dev_tools/parsers/parse_binutils_riscv.py
@@ -335,6 +335,17 @@ def parse_binutils():
             split_lines, quotechar='"', quoting=csv.QUOTE_ALL, skipinitialspace=True
         )
     ]
+    tags = [
+        row[-1]
+        for row in csv.reader(
+            split_lines, quotechar='"', quoting=csv.QUOTE_ALL, skipinitialspace=True
+        )
+    ]
+
+    # Mark alias insns
+    for i, tag in enumerate(tags):
+        if "INSN_ALIAS" in tag:
+            formats[i] = formats[i] + "_alias"
 
     # Generate unmasked variants for all masked vector insns
     unmasked_insns: List[str] = []
@@ -390,10 +401,12 @@ def print_filter_stats(
 
     unimp_insns = {insn.name for insn in missing_pattern_insns}
     unimp_format = {insn.format[0] for insn in missing_pattern_insns}
+    unimp_alias_format = {insn.format[0] for insn in missing_pattern_insns if any(["_alias" in fmt for fmt in insn.format]) }
 
     print()
     print("Formats missing pattern:", len(unimp_format))
     print("Insns missing pattern:", len(unimp_insns))
+    print("Alias insns missing pattern:", len(unimp_alias_format))
 
     unimp_format_counter = Counter(
         [insn.format for insn in missing_pattern_insns if insn.name not in imp_insns]
@@ -456,7 +469,7 @@ def main():
         if insn.ext in VECTOR_EXTS:
             insn_name = f"{insn.name}_{'V1' if ('Vm' in fmt) else 'V0'}".upper()
         else:
-            insn_name = f"{insn.name}_{fmt}"
+            insn_name = f"{insn.name}_V0".upper()
 
         # TODO Memory operands
         insn_names.append(insn_name)
@@ -471,6 +484,10 @@ def main():
             }
         )
 
+    insn_names = sorted(insn_names)
+
+    assert len(insn_names) == len(set(insn_names)), "Duplicate insn name detected!"
+
     with open("gen/instruction.yaml", "w", encoding='UTF-8') as stream:
         yaml.dump(instruction_list, stream, sort_keys=True)
 
diff --git a/targets/riscv/isa/riscv-common/instruction.yaml b/targets/riscv/isa/riscv-common/instruction.yaml
index bf947cef..f6fd0af9 100644
--- a/targets/riscv/isa/riscv-common/instruction.yaml
+++ b/targets/riscv/isa/riscv-common/instruction.yaml
@@ -2168,11 +2168,6 @@
   Mnemonic: VSETVL
   Name: VSETVL_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VtVm_parsed
-  Mnemonic: VNEG.V
-  Name: VNEG.V_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_parsed
   Mnemonic: VADD.VV
@@ -2208,16 +2203,6 @@
   Mnemonic: VRSUB.VI
   Name: VRSUB.VI_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VtVm_wide_in_parsed
-  Mnemonic: VWCVT.X.X.V
-  Name: VWCVT.X.X.V_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VtVm_wide_in_parsed
-  Mnemonic: VWCVTU.X.X.V
-  Name: VWCVTU.X.X.V_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_wide_in_parsed
   Mnemonic: VWADDU.VV
@@ -2373,11 +2358,6 @@
   Mnemonic: VMSBC.VX
   Name: VMSBC.VX_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VtVm_parsed
-  Mnemonic: VNOT.V
-  Name: VNOT.V_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_parsed
   Mnemonic: VAND.VV
@@ -2468,11 +2448,6 @@
   Mnemonic: VSRA.VI
   Name: VSRA.VI_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VtVm_wide_in_parsed
-  Mnemonic: VNCVT.X.X.W
-  Name: VNCVT.X.X.W_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_wide_in_parsed
   Mnemonic: VNSRL.WV
@@ -2603,46 +2578,6 @@
   Mnemonic: VMSGT.VI
   Name: VMSGT.VI_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-VtVm_parsed
-  Mnemonic: VMSGT.VV
-  Name: VMSGT.VV_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-VtVm_parsed
-  Mnemonic: VMSGTU.VV
-  Name: VMSGTU.VV_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-VtVm_parsed
-  Mnemonic: VMSGE.VV
-  Name: VMSGE.VV_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-VtVm_parsed
-  Mnemonic: VMSGEU.VV
-  Name: VMSGEU.VV_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-VkVm_parsed
-  Mnemonic: VMSLT.VI
-  Name: VMSLT.VI_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-VkVm_parsed
-  Mnemonic: VMSLTU.VI
-  Name: VMSLTU.VI_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-VkVm_parsed
-  Mnemonic: VMSGE.VI
-  Name: VMSGE.VI_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-VkVm_parsed
-  Mnemonic: VMSGEU.VI
-  Name: VMSGEU.VI_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_parsed
   Mnemonic: VMINU.VV
@@ -3328,16 +3263,6 @@
   Mnemonic: VFMAX.VF
   Name: VFMAX.VF_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VuVm_parsed
-  Mnemonic: VFNEG.V
-  Name: VFNEG.V_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-VuVm_parsed
-  Mnemonic: VFABS.V
-  Name: VFABS.V_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_parsed
   Mnemonic: VFSGNJ.VV
@@ -3418,16 +3343,6 @@
   Mnemonic: VMFGE.VF
   Name: VMFGE.VF_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-VtVm_parsed
-  Mnemonic: VMFGT.VV
-  Name: VMFGT.VV_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-VtVm_parsed
-  Mnemonic: VMFGE.VV
-  Name: VMFGE.VV_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-S-V0_parsed
   Mnemonic: VFMERGE.VFM
@@ -3603,11 +3518,6 @@
   Mnemonic: VFREDUSUM.VS
   Name: VFREDUSUM.VS_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-VsVm_parsed
-  Mnemonic: VFREDSUM.VS
-  Name: VFREDSUM.VS_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-VsVm_parsed
   Mnemonic: VFREDMAX.VS
@@ -3628,36 +3538,6 @@
   Mnemonic: VFWREDUSUM.VS
   Name: VFWREDUSUM.VS_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-VsVm_parsed
-  Mnemonic: VFWREDSUM.VS
-  Name: VFWREDSUM.VS_V1
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vu_parsed
-  Mnemonic: VMMV.M
-  Name: VMMV.M_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vu_parsed
-  Mnemonic: VMCPY.M
-  Name: VMCPY.M_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vv_parsed
-  Mnemonic: VMCLR.M
-  Name: VMCLR.M_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vv_parsed
-  Mnemonic: VMSET.M
-  Name: VMSET.M_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vu_parsed
-  Mnemonic: VMNOT.M
-  Name: VMNOT.M_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VMAND.MM
@@ -3673,11 +3553,6 @@
   Mnemonic: VMANDN.MM
   Name: VMANDN.MM_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vs_parsed
-  Mnemonic: VMANDNOT.MM
-  Name: VMANDNOT.MM_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VMXOR.MM
@@ -3698,11 +3573,6 @@
   Mnemonic: VMORN.MM
   Name: VMORN.MM_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vs_parsed
-  Mnemonic: VMORNOT.MM
-  Name: VMORNOT.MM_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VMXNOR.MM
@@ -3713,11 +3583,6 @@
   Mnemonic: VCPOP.M
   Name: VCPOP.M_V1
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: d-VtVm_parsed
-  Mnemonic: VPOPC.M
-  Name: VPOPC.M_V1
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: d-VtVm_parsed
   Mnemonic: VFIRST.M
@@ -3833,11 +3698,6 @@
   Mnemonic: VMV1R.V
   Name: VMV1R.V_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt_parsed
-  Mnemonic: VNEG.V
-  Name: VNEG.V_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VADD.VV
@@ -3873,16 +3733,6 @@
   Mnemonic: VRSUB.VI
   Name: VRSUB.VI_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt_wide_in_parsed
-  Mnemonic: VWCVT.X.X.V
-  Name: VWCVT.X.X.V_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt_wide_in_parsed
-  Mnemonic: VWCVTU.X.X.V
-  Name: VWCVTU.X.X.V_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_wide_in_parsed
   Mnemonic: VWADDU.VV
@@ -3963,11 +3813,6 @@
   Mnemonic: VWSUB.WX
   Name: VWSUB.WX_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt_parsed
-  Mnemonic: VNOT.V
-  Name: VNOT.V_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VAND.VV
@@ -4058,11 +3903,6 @@
   Mnemonic: VSRA.VI
   Name: VSRA.VI_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt_wide_in_parsed
-  Mnemonic: VNCVT.X.X.W
-  Name: VNCVT.X.X.W_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_wide_in_parsed
   Mnemonic: VNSRL.WV
@@ -4193,46 +4033,6 @@
   Mnemonic: VMSGT.VI
   Name: VMSGT.VI_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-Vt_parsed
-  Mnemonic: VMSGT.VV
-  Name: VMSGT.VV_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-Vt_parsed
-  Mnemonic: VMSGTU.VV
-  Name: VMSGTU.VV_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-Vt_parsed
-  Mnemonic: VMSGE.VV
-  Name: VMSGE.VV_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-Vt_parsed
-  Mnemonic: VMSGEU.VV
-  Name: VMSGEU.VV_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vk_parsed
-  Mnemonic: VMSLT.VI
-  Name: VMSLT.VI_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vk_parsed
-  Mnemonic: VMSLTU.VI
-  Name: VMSLTU.VI_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vk_parsed
-  Mnemonic: VMSGE.VI
-  Name: VMSGE.VI_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vk_parsed
-  Mnemonic: VMSGEU.VI
-  Name: VMSGEU.VI_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VMINU.VV
@@ -4888,16 +4688,6 @@
   Mnemonic: VFMAX.VF
   Name: VFMAX.VF_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vu_parsed
-  Mnemonic: VFNEG.V
-  Name: VFNEG.V_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vu_parsed
-  Mnemonic: VFABS.V
-  Name: VFABS.V_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VFSGNJ.VV
@@ -4978,16 +4768,6 @@
   Mnemonic: VMFGE.VF
   Name: VMFGE.VF_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-Vt_parsed
-  Mnemonic: VMFGT.VV
-  Name: VMFGT.VV_V0
-  Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vs-Vt_parsed
-  Mnemonic: VMFGE.VV
-  Name: VMFGE.VV_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt_parsed
   Mnemonic: VFCVT.XU.F.V
@@ -5153,11 +4933,6 @@
   Mnemonic: VFREDUSUM.VS
   Name: VFREDUSUM.VS_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vs_parsed
-  Mnemonic: VFREDSUM.VS
-  Name: VFREDSUM.VS_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: Vd-Vt-Vs_parsed
   Mnemonic: VFREDMAX.VS
@@ -5178,21 +4953,11 @@
   Mnemonic: VFWREDUSUM.VS
   Name: VFWREDUSUM.VS_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: Vd-Vt-Vs_parsed
-  Mnemonic: VFWREDSUM.VS
-  Name: VFWREDSUM.VS_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: d-Vt_parsed
   Mnemonic: VCPOP.M
   Name: VCPOP.M_V0
   Opcode: '0'
-- Description: Auto parsed from binutils. Opcode is dummy data
-  Format: d-Vt_parsed
-  Mnemonic: VPOPC.M
-  Name: VPOPC.M_V0
-  Opcode: '0'
 - Description: Auto parsed from binutils. Opcode is dummy data
   Format: d-Vt_parsed
   Mnemonic: VFIRST.M
diff --git a/targets/riscv/isa/riscv-common/instruction_format.yaml b/targets/riscv/isa/riscv-common/instruction_format.yaml
index 8daf3df3..f43ad750 100644
--- a/targets/riscv/isa/riscv-common/instruction_format.yaml
+++ b/targets/riscv/isa/riscv-common/instruction_format.yaml
@@ -874,23 +874,6 @@
   - i_shamt5
   - opcode
   Name: Vd-Vt-Vj_wide_in_parsed
-- Assembly: OPC vmd, vrs2, ioff_imm5, vmask.t
-  Fields:
-  - vmd
-  - vrs2
-  - ioff_imm5
-  - opcode
-  - vmask
-  - funct5
-  Name: Vd-Vt-VkVm_parsed
-- Assembly: OPC vd, vrs2, ioff_imm5
-  Fields:
-  - funct10
-  - vd
-  - vrs2
-  - ioff_imm5
-  - opcode
-  Name: Vd-Vt-Vk_parsed
 - Assembly: OPC vmd, vrs1, vrs2, vmask
   Fields:
   - funct5
@@ -1043,22 +1026,6 @@
   - vdrs2
   - opcode
   Name: Vd-Vt_wide_in_parsed
-- Assembly: OPC vmd, vrs1, vmask.t
-  Fields:
-  - funct10
-  - vmd
-  - vrs1
-  - opcode
-  - vmask
-  Name: Vd-VuVm_parsed
-- Assembly: OPC vd, vrs1
-  Fields:
-  - funct10
-  - funct5
-  - vd
-  - vrs1
-  - opcode
-  Name: Vd-Vu_parsed
 - Assembly: OPC vmd, rs1, vrs2, vmask.t
   Fields:
   - vmd
@@ -1115,12 +1082,6 @@
   - vd
   - opcode
   Name: Vd_parsed
-- Assembly: OPC vd
-  Fields:
-  - funct20
-  - vd
-  - opcode
-  Name: Vv_parsed
 - Assembly: OPC rd, vrs2, vmask.t
   Fields:
   - funct10