diff --git a/gen/gen_code.cpp b/gen/gen_code.cpp
index 6eda84c..00a1bae 100644
--- a/gen/gen_code.cpp
+++ b/gen/gen_code.cpp
@@ -1117,7 +1117,7 @@ void put()
 			{ 0xF4, "pmuludq", MM_0F | PP_66, false, -1, false, true },
 			{ 0x28, "pmuldq", MM_0F38 | PP_66, false, -1, false, true },
 
-			{ 0xEB, "por", MM_0F | PP_66, false, -1, false, true },
+			{ 0xEB, "por", MM_0F | PP_66, true, -1, false, true },
 			{ 0xF6, "psadbw", MM_0F | PP_66, false, -1, false, true },
 
 			{ 0x00, "pshufb", MM_0F38 | PP_66, false, -1, false, false },
@@ -1157,7 +1157,7 @@ void put()
 			{ 0x62, "punpckldq", MM_0F | PP_66, true, -1, false, true },
 			{ 0x6C, "punpcklqdq", MM_0F | PP_66, true, -1, false, true },
 
-			{ 0xEF, "pxor", MM_0F | PP_66, false, -1, false, true },
+			{ 0xEF, "pxor", MM_0F | PP_66, true, -1, false, true },
 
 			{ 0x53, "rcpss", MM_0F | PP_F3, false, -1, false, true },
 			{ 0x52, "rsqrtss", MM_0F | PP_F3, false, -1, false, true },
diff --git a/test/make_nm.cpp b/test/make_nm.cpp
index a7f6393..0be0af4 100644
--- a/test/make_nm.cpp
+++ b/test/make_nm.cpp
@@ -1347,7 +1347,7 @@ class Test {
 			{ "vpmuludq", false },
 			{ "vpmuldq", false },
 
-			{ "vpor", false },
+			{ "vpor", true },
 			{ "vpsadbw", false },
 
 			{ "vpsignb", true },
@@ -1385,7 +1385,7 @@ class Test {
 			{ "vpunpckldq", true },
 			{ "vpunpcklqdq", true },
 
-			{ "vpxor", false },
+			{ "vpxor", true },
 			{ "vsqrtsd", false },
 			{ "vsqrtss", false },
 
diff --git a/xbyak/xbyak_mnemonic.h b/xbyak/xbyak_mnemonic.h
index 12d5652..22b7046 100644
--- a/xbyak/xbyak_mnemonic.h
+++ b/xbyak/xbyak_mnemonic.h
@@ -771,8 +771,8 @@ void vpmuludq(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(
 void vpmuludq(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0xF4, false, -1); }
 void vpmuldq(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F38 | PP_66, 0x28, false, -1); }
 void vpmuldq(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F38 | PP_66, 0x28, false, -1); }
-void vpor(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_66, 0xEB, false, -1); }
-void vpor(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0xEB, false, -1); }
+void vpor(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_66, 0xEB, true, -1); }
+void vpor(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0xEB, true, -1); }
 void vpsadbw(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_66, 0xF6, false, -1); }
 void vpsadbw(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0xF6, false, -1); }
 void vpshufb(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F38 | PP_66, 0x00, false, -1); }
@@ -830,8 +830,8 @@ void vpunpckldq(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_X
 void vpunpckldq(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0x62, true, -1); }
 void vpunpcklqdq(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_66, 0x6C, true, -1); }
 void vpunpcklqdq(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0x6C, true, -1); }
-void vpxor(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_66, 0xEF, false, -1); }
-void vpxor(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0xEF, false, -1); }
+void vpxor(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_66, 0xEF, true, -1); }
+void vpxor(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_66, 0xEF, true, -1); }
 void vrcpss(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_F3, 0x53, false, -1); }
 void vrcpss(const Xmm& xmm, const Operand& op) { opAVX_X_X_XM(xmm, xmm, op, MM_0F | PP_F3, 0x53, false, -1); }
 void vrsqrtss(const Xmm& xm1, const Xmm& xm2, const Operand& op) { opAVX_X_X_XM(xm1, xm2, op, MM_0F | PP_F3, 0x52, false, -1); }