Peephole optimization is a efficient and optimization਀琀栀愀琀 椀猀 渀漀琀 栀愀爀搀 甀琀椀氀椀稀攀搀 瘀椀愀 挀漀洀瀀椀氀攀爀猀 猀漀洀攀搀愀礀 欀渀漀眀渀 愀猀 搀椀猀瀀氀愀礀 漀爀 瀀攀攀瀀栀漀氀攀 椀猀 placed of rule  that਀挀栀愀渀最攀 漀渀攀㰀猀瀀愀渀 猀琀礀氀攀㴀✀洀猀漀ⴀ猀瀀愀挀攀爀甀渀㨀礀攀猀✀㸀ꀀ 㰀⼀猀瀀愀渀㸀猀攀爀椀攀猀 漀昀 最甀椀搀攀氀椀渀攀猀 戀礀 洀攀愀渀猀 of an additional comparable  pair of਀搀椀爀攀挀琀椀漀渀猀Ⰰ 戀甀琀 搀攀挀爀攀愀猀攀搀Ⰰ 爀愀瀀椀搀⸀ 倀攀攀瀀栀漀氀攀 漀瀀琀椀洀椀稀愀琀椀漀渀 椀猀 爀攀最甀氀愀爀氀礀 昀椀渀椀猀栀攀搀 by way of String pattern matching that is utilizing phrase that is standard.਀夀漀甀 眀椀氀氀 搀椀猀挀漀瘀攀爀 琀栀攀 瀀爀愀挀琀椀挀攀猀 漀昀 瀀攀攀瀀栀漀氀攀 漀瀀琀椀洀椀稀愀琀椀漀渀 氀椀欀攀 猀琀攀愀搀礀 昀漀氀搀椀渀最Ⰰ force lessen, null sequences, mix operation, al gebraic਀椀搀攀愀猀Ⰰ 攀砀愀挀琀 琀爀漀甀戀氀攀 椀渀猀琀爀甀挀琀椀漀渀猀Ⰰ 愀 㰀猀瀀愀渀 挀氀愀猀猀㴀匀瀀攀氀氀䔀㸀搀搀爀攀猀猀㰀⼀猀瀀愀渀㸀 洀 漀搀攀 operations.

The਀瀀攀攀瀀栀漀氀攀 漀瀀琀椀洀椀稀愀琀椀漀渀 椀猀 愀 㰀猀瀀愀渀 挀氀愀猀猀㴀匀瀀攀氀氀䔀㸀瀀瀀氀椀攀搀㰀⼀猀瀀愀渀㸀 琀漀 猀 㰀猀瀀愀渀 class=SpellE>everal accessories or discipline of process or rule so਀焀甀攀猀琀椀漀渀 琀栀愀琀✀猀 洀愀樀漀爀 眀栀攀爀攀 礀漀甀 挀愀渀 瀀甀琀 椀琀 漀渀 攀愀爀氀椀攀爀 琀栀愀渀 挀漀洀瀀椀氀愀琀椀漀渀Ⰰ 爀攀氀愀琀攀搀 to the intermediate rule or after compilation of this rule . The intention of਀琀栀椀猀 搀椀猀猀攀爀琀愀琀椀漀渀 搀椀猀瀀氀愀礀椀渀最 琀栀攀 瀀爀攀瘀愀椀氀椀渀最 猀琀愀琀攀 漀昀 瀀攀攀瀀栀漀氀攀 漀瀀琀椀洀椀稀愀琀椀漀渀 愀渀搀 simply how put it on in the direction of the IR (Intermediate representation)਀爀甀氀攀 琀栀愀琀✀猀 瀀爀漀搀甀挀攀搀 戀礀 愀渀礀 瀀爀漀最爀愀洀 眀爀椀琀椀渀最 氀愀渀最甀愀最攀⸀㰀漀㨀瀀㸀㰀⼀漀㨀瀀㸀㰀⼀猀瀀愀渀㸀㰀⼀瀀㸀 ਀㰀瀀 挀氀愀猀猀㴀䴀猀漀一漀爀洀愀氀 猀琀礀氀攀㴀✀琀攀砀琀ⴀ愀氀椀最渀㨀樀甀猀琀椀昀礀✀㸀㰀猀瀀愀渀 猀琀礀氀攀㴀✀昀漀渀琀ⴀ猀椀稀攀㨀㄀　⸀　瀀琀✀㸀㰀漀㨀瀀㸀☀渀戀猀瀀㬀㰀⼀漀㨀瀀㸀㰀⼀猀瀀愀渀㸀㰀⼀瀀㸀 ਀㰀瀀 挀氀愀猀猀㴀䴀猀漀一漀爀洀愀氀 猀琀礀氀攀㴀✀琀攀砀琀ⴀ愀氀椀最渀㨀樀甀猀琀椀昀礀✀㸀㰀戀㸀㰀猀瀀愀渀 氀愀渀最㴀䔀一ⴀ唀匀 style='mso-fareast-font-family:"Times New Roman";mso-ansi-language:EN-US'> 

Keywords :Compiler