Volume 3: General-Purpose and System Instructions - Stanford ...

AMD64 Technology 24594 Rev. 3.10 February 2005Mnemonic Opcode DescriptionLODS mem64ADLoad quadword at DS:rSI into RAX and then increment ordecrement rSI.LODSB AC Load byte at DS:rSI into AL and then increment or decrement rSI.LODSWLODSDLODSQRelated InstructionsMOVSx, STOSxrFLAGS AffectedNoneExceptionsADADADLoad the word at DS:rSI into AX and then increment ordecrement rSI.Load doubleword at DS:rSI into EAX and then increment ordecrement rSI.Load quadword at DS:rSI into RAX and then increment ordecrement rSI.Exception RealVirtual8086 Protected Cause of ExceptionStack, #SS X X X A memory address exceeded the stack segment limit or was noncanonical.General protection,#GPX X XA memory address exceeded a data segment limit or was non-canonical.X A null data segment was used to reference memory.Page fault, #PF X X A page fault resulted from the execution of the instruction.Alignment check, #AC X X An unaligned memory reference was performed while alignmentchecking was enabled.188 LODSx