Fixed some front end with-zero loads

git-svn-id: svn://svn.valgrind.org/vex/trunk@975

diff --git a/VEX/priv/guest-ppc32/toIR.c b/VEX/priv/guest-ppc32/toIR.c
index d00596cf5510bac243e62e587e8b30a96eb5fef3..3e0ba9f124ca65b35d8808a7d6d5b988213a19b9 100644 (file)
--- a/VEX/priv/guest-ppc32/toIR.c
+++ b/VEX/priv/guest-ppc32/toIR.c
@@ -1810,7 +1810,7 @@ static Bool dis_int_load ( UInt theInstr )
       
    case 0x28: // lhz (Load HW & Zero, p490)
       DIP("lhz r%d,%d(r%d)\n", Rd_addr, (Int)d_imm, Ra_addr);
-      putIReg( Rd_addr, unop(Iop_16Sto32,
+      putIReg( Rd_addr, unop(Iop_16Uto32,
                              loadBE(Ity_I16, mkexpr(EA_imm))) );
       break;
       
@@ -1820,7 +1820,8 @@ static Bool dis_int_load ( UInt theInstr )
          return False;
       }
       DIP("lhzu r%d,%d(r%d)\n", Rd_addr, (Int)d_imm, Ra_addr);
-      putIReg( Rd_addr, loadBE(Ity_I16, mkexpr(EA_imm)) );
+      putIReg( Rd_addr, unop(Iop_16Uto32,
+                             loadBE(Ity_I16, mkexpr(EA_imm))) );
       putIReg( Ra_addr, mkexpr(EA_imm) );
       break;
 
@@ -1888,14 +1889,14 @@ static Bool dis_int_load ( UInt theInstr )
             return False;
          }
          DIP("lhzux r%d,r%d,r%d\n", Rd_addr, Ra_addr, Rb_addr);
-         putIReg( Rd_addr, unop(Iop_16Sto32,
+         putIReg( Rd_addr, unop(Iop_16Uto32,
                                 loadBE(Ity_I16, mkexpr(EA_reg))) );
          putIReg( Ra_addr, mkexpr(EA_reg) );
          break;
          
       case 0x117: // lhzx (Load HW & Zero Indexed, p493)
          DIP("lhzx r%d,r%d,r%d\n", Rd_addr, Ra_addr, Rb_addr);
-         putIReg( Rd_addr, unop(Iop_16Sto32,
+         putIReg( Rd_addr, unop(Iop_16Uto32,
                                 loadBE(Ity_I16, mkexpr(EA_reg))) );
          break;