diff --git a/src/asmjit/x86/x86assembler.cpp b/src/asmjit/x86/x86assembler.cpp
index cc228d9..8bf7365 100644
--- a/src/asmjit/x86/x86assembler.cpp
+++ b/src/asmjit/x86/x86assembler.cpp
@@ -2837,6 +2837,10 @@ CaseExtRm:
       isign3 &= 0x3F;
       goto CaseVexRm;
 
+    case X86Inst::kEncodingVexRm_Wx:
+      ADD_REX_W(X86Reg::isGpq(o0) | X86Reg::isGpq(o1));
+      goto CaseVexRm;
+
     case X86Inst::kEncodingVexRm_Lx:
       opCode |= x86OpCodeLBySize(o0.getSize() | o1.getSize());
       ASMJIT_FALLTHROUGH;
diff --git a/src/asmjit/x86/x86inst.cpp b/src/asmjit/x86/x86inst.cpp
index 7cefa90..42cdbaa 100644
--- a/src/asmjit/x86/x86inst.cpp
+++ b/src/asmjit/x86/x86inst.cpp
@@ -970,14 +970,14 @@ const X86Inst X86InstDB::instData[] = {
   INST(Vcvtps2uqq      , VexRm_Lx           , V(660F00,79,_,x,_,0,3,HV ), 0                         , 0 , 0 , 3475, 289, 123, 0 ),
   INST(Vcvtqq2pd       , VexRm_Lx           , V(F30F00,E6,_,x,_,1,4,FV ), 0                         , 0 , 0 , 3486, 284, 123, 0 ),
   INST(Vcvtqq2ps       , VexRm_Lx           , V(000F00,5B,_,x,_,1,4,FV ), 0                         , 0 , 0 , 3496, 285, 123, 0 ),
-  INST(Vcvtsd2si       , VexRm              , V(F20F00,2D,_,I,x,x,3,T1F), 0                         , 0 , 0 , 3506, 291, 117, 11),
+  INST(Vcvtsd2si       , VexRm_Wx           , V(F20F00,2D,_,I,x,x,3,T1F), 0                         , 0 , 0 , 3506, 291, 117, 11),
   INST(Vcvtsd2ss       , VexRvm             , V(F20F00,5A,_,I,I,1,3,T1S), 0                         , 0 , 0 , 3516, 248, 117, 12),
-  INST(Vcvtsd2usi      , VexRm              , V(F20F00,79,_,I,_,x,3,T1F), 0                         , 0 , 0 , 3526, 292, 65 , 0 ),
-  INST(Vcvtsi2sd       , VexRvm             , V(F20F00,2A,_,I,x,x,2,T1W), 0                         , 0 , 0 , 3537, 293, 117, 13),
-  INST(Vcvtsi2ss       , VexRvm             , V(F30F00,2A,_,I,x,x,2,T1W), 0                         , 0 , 0 , 3547, 293, 117, 13),
+  INST(Vcvtsd2usi      , VexRm_Wx           , V(F20F00,79,_,I,_,x,3,T1F), 0                         , 0 , 0 , 3526, 292, 65 , 0 ),
+  INST(Vcvtsi2sd       , VexRvm_Wx          , V(F20F00,2A,_,I,x,x,2,T1W), 0                         , 0 , 0 , 3537, 293, 117, 13),
+  INST(Vcvtsi2ss       , VexRvm_Wx          , V(F30F00,2A,_,I,x,x,2,T1W), 0                         , 0 , 0 , 3547, 293, 117, 13),
   INST(Vcvtss2sd       , VexRvm             , V(F30F00,5A,_,I,I,0,2,T1S), 0                         , 0 , 0 , 3557, 294, 117, 13),
-  INST(Vcvtss2si       , VexRm              , V(F20F00,2D,_,I,x,x,2,T1F), 0                         , 0 , 0 , 3567, 295, 117, 14),
-  INST(Vcvtss2usi      , VexRm              , V(F30F00,79,_,I,_,x,2,T1F), 0                         , 0 , 0 , 3577, 296, 65 , 0 ),
+  INST(Vcvtss2si       , VexRm_Wx           , V(F30F00,2D,_,I,x,x,2,T1F), 0                         , 0 , 0 , 3567, 295, 117, 14),
+  INST(Vcvtss2usi      , VexRm_Wx           , V(F30F00,79,_,I,_,x,2,T1F), 0                         , 0 , 0 , 3577, 296, 65 , 0 ),
   INST(Vcvttpd2dq      , VexRm_Lx           , V(660F00,E6,_,x,I,1,4,FV ), 0                         , 0 , 0 , 3588, 297, 116, 15),
   INST(Vcvttpd2qq      , VexRm_Lx           , V(660F00,7A,_,x,_,1,4,FV ), 0                         , 0 , 0 , 3599, 298, 120, 0 ),
   INST(Vcvttpd2udq     , VexRm_Lx           , V(000F00,78,_,x,_,1,4,FV ), 0                         , 0 , 0 , 3610, 299, 120, 0 ),
@@ -986,16 +986,16 @@ const X86Inst X86InstDB::instData[] = {
   INST(Vcvttps2qq      , VexRm_Lx           , V(660F00,7A,_,x,_,0,3,HV ), 0                         , 0 , 0 , 3645, 301, 123, 0 ),
   INST(Vcvttps2udq     , VexRm_Lx           , V(000F00,78,_,x,_,0,4,FV ), 0                         , 0 , 0 , 3656, 302, 120, 0 ),
   INST(Vcvttps2uqq     , VexRm_Lx           , V(660F00,78,_,x,_,0,3,HV ), 0                         , 0 , 0 , 3668, 301, 123, 0 ),
-  INST(Vcvttsd2si      , VexRm              , V(F20F00,2C,_,I,x,x,3,T1F), 0                         , 0 , 0 , 3680, 303, 117, 17),
-  INST(Vcvttsd2usi     , VexRm              , V(F20F00,78,_,I,_,x,3,T1F), 0                         , 0 , 0 , 3691, 304, 65 , 0 ),
-  INST(Vcvttss2si      , VexRm              , V(F30F00,2C,_,I,x,x,2,T1F), 0                         , 0 , 0 , 3703, 305, 117, 18),
-  INST(Vcvttss2usi     , VexRm              , V(F30F00,78,_,I,_,x,2,T1F), 0                         , 0 , 0 , 3714, 306, 65 , 0 ),
+  INST(Vcvttsd2si      , VexRm_Wx           , V(F20F00,2C,_,I,x,x,3,T1F), 0                         , 0 , 0 , 3680, 303, 117, 17),
+  INST(Vcvttsd2usi     , VexRm_Wx           , V(F20F00,78,_,I,_,x,3,T1F), 0                         , 0 , 0 , 3691, 304, 65 , 0 ),
+  INST(Vcvttss2si      , VexRm_Wx           , V(F30F00,2C,_,I,x,x,2,T1F), 0                         , 0 , 0 , 3703, 305, 117, 18),
+  INST(Vcvttss2usi     , VexRm_Wx           , V(F30F00,78,_,I,_,x,2,T1F), 0                         , 0 , 0 , 3714, 306, 65 , 0 ),
   INST(Vcvtudq2pd      , VexRm_Lx           , V(F30F00,7A,_,x,_,0,3,HV ), 0                         , 0 , 0 , 3726, 307, 120, 0 ),
   INST(Vcvtudq2ps      , VexRm_Lx           , V(F20F00,7A,_,x,_,0,4,FV ), 0                         , 0 , 0 , 3737, 290, 120, 0 ),
   INST(Vcvtuqq2pd      , VexRm_Lx           , V(F30F00,7A,_,x,_,1,4,FV ), 0                         , 0 , 0 , 3748, 284, 123, 0 ),
   INST(Vcvtuqq2ps      , VexRm_Lx           , V(F20F00,7A,_,x,_,1,4,FV ), 0                         , 0 , 0 , 3759, 285, 123, 0 ),
-  INST(Vcvtusi2sd      , VexRvm             , V(F20F00,7B,_,I,_,x,2,T1W), 0                         , 0 , 0 , 3770, 308, 65 , 0 ),
-  INST(Vcvtusi2ss      , VexRvm             , V(F30F00,7B,_,I,_,x,2,T1W), 0                         , 0 , 0 , 3781, 308, 65 , 0 ),
+  INST(Vcvtusi2sd      , VexRvm_Wx          , V(F20F00,7B,_,I,_,x,2,T1W), 0                         , 0 , 0 , 3770, 308, 65 , 0 ),
+  INST(Vcvtusi2ss      , VexRvm_Wx          , V(F30F00,7B,_,I,_,x,2,T1W), 0                         , 0 , 0 , 3781, 308, 65 , 0 ),
   INST(Vdbpsadbw       , VexRvmi_Lx         , V(660F3A,42,_,x,_,0,4,FVM), 0                         , 0 , 0 , 3792, 309, 122, 0 ),
   INST(Vdivpd          , VexRvm_Lx          , V(660F00,5E,_,x,I,1,4,FV ), 0                         , 0 , 0 , 3802, 246, 116, 19),
   INST(Vdivps          , VexRvm_Lx          , V(000F00,5E,_,x,I,0,4,FV ), 0                         , 0 , 0 , 3809, 247, 116, 19),
diff --git a/src/asmjit/x86/x86inst.h b/src/asmjit/x86/x86inst.h
index 4f55ef3..4f6d493 100644
--- a/src/asmjit/x86/x86inst.h
+++ b/src/asmjit/x86/x86inst.h
@@ -1566,6 +1566,7 @@ struct X86Inst {
     kEncodingVexMri_Lx,                  //!< VEX|EVEX [MRI] (propagates VEX|EVEX.L if YMM used).
     kEncodingVexRm,                      //!< VEX|EVEX [RM].
     kEncodingVexRm_ZDI,                  //!< VEX|EVEX [RM<ZDI>].
+    kEncodingVexRm_Wx,                   //!< VEX|EVEX [RM] (propagates VEX|EVEX.W if GPQ used).
     kEncodingVexRm_Lx,                   //!< VEX|EVEX [RM] (propagates VEX|EVEX.L if YMM used).
     kEncodingVexRm_VM,                   //!< VEX|EVEX [RM] (propagates VEX|EVEX.L, VSIB support).
     kEncodingVexRm_T1_4X,                //!<     EVEX [RM] (used by NN instructions that use RM-T1_4X encoding).