// peeph-z80n.def - Z80N specific peephole rules
//
// (c) Philipp Klaus Krause (pkk@spth.de, philipp@colecovision.eu) 2006 - 2020
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

replace restart {
	push	#%1
} by {
	;Z80N peephole 1: replace push %1 by ld %2,#%1 / push %2
	ld	%2, #%1
	push	%2
} if unusedReg(%2 'bc' 'de' 'hl')

barrier
