n90p <nop144d@xxxxxxxxx> writes: > Hi all, is there any method to re-schedule instructions while compiling asm > file? For example, i'm assembling a C file and then making changes there > (removing some instrucions) and then i want to re-schedule instructions. Not using gcc, no. You may want to look at the micro-architectural optimizer: http://code.google.com/p/mao . Ian