diff --git a/target-ppc/op.c b/target-ppc/op.c
index 3ee326d5fb..e663e607ec 100644
--- a/target-ppc/op.c
+++ b/target-ppc/op.c
@@ -136,13 +136,6 @@ void OPPROTO op_set_Rc0 (void)
     RETURN();
 }
 
-/* Constants load */
-void OPPROTO op_moven_T2_T0 (void)
-{
-    T2 = ~T0;
-    RETURN();
-}
-
 /* Generate exceptions */
 void OPPROTO op_raise_exception_err (void)
 {
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index fe1de7e160..906893657d 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -914,7 +914,7 @@ GEN_INT_ARITH1_64 (neg,    0x1F, 0x08, 0x03, PPC_INTEGER);
 /* subf   subf.   subfo   subfo.   */
 static always_inline void gen_op_subfo (void)
 {
-    gen_op_moven_T2_T0();
+    tcg_gen_not_tl(cpu_T[2], cpu_T[0]);
     gen_op_subf();
     gen_op_check_addo();
 }
@@ -922,7 +922,7 @@ static always_inline void gen_op_subfo (void)
 #define gen_op_subf_64 gen_op_subf
 static always_inline void gen_op_subfo_64 (void)
 {
-    gen_op_moven_T2_T0();
+    tcg_gen_not_i64(cpu_T[2], cpu_T[0]);
     gen_op_subf();
     gen_op_check_addo_64();
 }
@@ -936,7 +936,7 @@ static always_inline void gen_op_subfc (void)
 }
 static always_inline void gen_op_subfco (void)
 {
-    gen_op_moven_T2_T0();
+    tcg_gen_not_tl(cpu_T[2], cpu_T[0]);
     gen_op_subf();
     gen_op_check_subfc();
     gen_op_check_addo();
@@ -949,7 +949,7 @@ static always_inline void gen_op_subfc_64 (void)
 }
 static always_inline void gen_op_subfco_64 (void)
 {
-    gen_op_moven_T2_T0();
+    tcg_gen_not_i64(cpu_T[2], cpu_T[0]);
     gen_op_subf();
     gen_op_check_subfc_64();
     gen_op_check_addo_64();
@@ -959,7 +959,7 @@ GEN_INT_ARITH2_64 (subfc,  0x1F, 0x08, 0x00, PPC_INTEGER);
 /* subfe  subfe.  subfeo  subfeo.  */
 static always_inline void gen_op_subfeo (void)
 {
-    gen_op_moven_T2_T0();
+    tcg_gen_not_tl(cpu_T[2], cpu_T[0]);
     gen_op_subfe();
     gen_op_check_addo();
 }
@@ -967,7 +967,7 @@ static always_inline void gen_op_subfeo (void)
 #define gen_op_subfe_64 gen_op_subfe
 static always_inline void gen_op_subfeo_64 (void)
 {
-    gen_op_moven_T2_T0();
+    tcg_gen_not_i64(cpu_T[2], cpu_T[0]);
     gen_op_subfe_64();
     gen_op_check_addo_64();
 }