diff --git a/VEX/priv/guest-ppc32/toIR.c b/VEX/priv/guest-ppc32/toIR.c
index 59a8cd3b1..493805fa9 100644
--- a/VEX/priv/guest-ppc32/toIR.c
+++ b/VEX/priv/guest-ppc32/toIR.c
@@ -749,13 +749,13 @@ static IRExpr* mkV128from4x64U ( IRExpr* t3, IRExpr* t2,
             binop(Iop_ShrV128, expr_vA, mkU8(16)), \
             binop(Iop_ShrV128, expr_vB, mkU8(16)))
 
-static IRExpr* /* :: Ity_I32/64 */ mk64lo32Sto64 ( IRExpr* src )
+static IRExpr* /* :: Ity_I64 */ mk64lo32Sto64 ( IRExpr* src )
 {
    vassert(typeOfIRExpr(irbb->tyenv, src) == Ity_I64);
    return unop(Iop_32Sto64, unop(Iop_64to32, src));
 }
 
-static IRExpr* /* :: Ity_I32/64 */ mk64lo32Uto64 ( IRExpr* src )
+static IRExpr* /* :: Ity_I64 */ mk64lo32Uto64 ( IRExpr* src )
 {
    vassert(typeOfIRExpr(irbb->tyenv, src) == Ity_I64);
    return unop(Iop_32Uto64, unop(Iop_64to32, src));
diff --git a/VEX/priv/host-ppc32/hdefs.h b/VEX/priv/host-ppc32/hdefs.h
index 686c2f89e..a36d55d67 100644
--- a/VEX/priv/host-ppc32/hdefs.h
+++ b/VEX/priv/host-ppc32/hdefs.h
@@ -759,7 +759,7 @@ typedef
 
 extern PPC32Instr* PPC32Instr_LI         ( HReg, ULong, Bool );
 extern PPC32Instr* PPC32Instr_Alu        ( PPC32AluOp, HReg, HReg, PPC32RH* );
-extern PPC32Instr* PPC32Instr_Shft       ( PPC32AluOp, Bool sz32, HReg, HReg, PPC32RH* );
+extern PPC32Instr* PPC32Instr_Shft       ( PPC32ShftOp, Bool sz32, HReg, HReg, PPC32RH* );
 extern PPC32Instr* PPC32Instr_AddSubC32  ( Bool, Bool, HReg, HReg, HReg );
 extern PPC32Instr* PPC32Instr_Cmp        ( Bool, Bool, UInt, HReg, PPC32RH* );
 extern PPC32Instr* PPC32Instr_Unary      ( PPC32UnaryOp op, HReg dst, HReg src );