+ support the aam instruction in TX86AsmOptimizer.RegLoadedWithNewValue

git-svn-id: trunk@36083 -

compiler/x86/aoptx86.pas

@@ -472,6 +472,9 @@ unit aoptx86;
           ((p.opcode = A_LFS) and (reg=NR_FS) and not(RegInRef(reg,p.oper[0]^.ref^))) or
           ((p.opcode = A_LGS) and (reg=NR_GS) and not(RegInRef(reg,p.oper[0]^.ref^))) or
           ((p.opcode = A_LSS) and (reg=NR_SS) and not(RegInRef(reg,p.oper[0]^.ref^))) or
+{$ifndef x86_64}
+          ((p.opcode = A_AAM) and Reg1WriteOverwritesReg2Entirely(NR_AH,reg)) or
+{$endif not x86_64}
           ((p.opcode = A_LODSB) and Reg1WriteOverwritesReg2Entirely(NR_AL,reg)) or
           ((p.opcode = A_LODSW) and Reg1WriteOverwritesReg2Entirely(NR_AX,reg)) or
           ((p.opcode = A_LODSD) and Reg1WriteOverwritesReg2Entirely(NR_EAX,reg)) or