Petar Penchev wrote:
I tried to use force_reg or PUT_MODE
but it does nothing and PUSH AL, inc S remain.

If nothing is happening, then that means the peephole isn't matching. The matching happens in peephole2_insns. You could try putting a breakpoint there and stepping through the code to see what happens.
--
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

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