#define MONO_EMIT_NEW_LOAD_R8(cfg,dr,addr) do { \
		MonoInst *inst;				   \
		MONO_INST_NEW ((cfg), (inst), OP_R8CONST); \
		inst->type = STACK_R8;			   \
		inst->dreg = (dr);		       \
		inst->inst_p0 = (void*)(addr);	       \
		mono_bblock_add_inst (cfg->cbb, inst); \
	} while (0)

%%

#
# inssel-ppc.brg: burg file for special ppc instructions
#
# Author:
#   Dietmar Maurer (dietmar@ximian.com)
#   Paolo Molaro (lupus@ximian.com)
#
# (C) 2002 Ximian, Inc.
#

stmt: OP_START_HANDLER {
	MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
	/*MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, spvar->inst_basereg, spvar->inst_offset, ppc_sp);
	*/
	tree->inst_left = spvar;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_ENDFINALLY {
	MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
	tree->inst_left = spvar;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_ENDFILTER (reg) {
	MonoInst *spvar = mono_find_spvar_for_region (s, s->cbb->region);
	tree->inst_left = spvar;
	tree->sreg1 = state->left->reg1;
	mono_bblock_add_inst (s->cbb, tree);
}

reg: CEE_REM_UN (reg, reg),
reg: CEE_REM (reg, reg) "0" {
	int div_result = mono_regstate_next_int (s->rs);
	int mul_result = mono_regstate_next_int (s->rs);
	MONO_EMIT_NEW_BIALU (s, (tree->opcode == CEE_REM_UN?CEE_DIV_UN:CEE_DIV), div_result, state->left->reg1, state->right->reg1);
	MONO_EMIT_NEW_BIALU (s, CEE_MUL, mul_result, div_result, state->right->reg1);
	MONO_EMIT_NEW_BIALU (s, CEE_SUB, state->reg1, state->left->reg1, mul_result);
}

freg: OP_CKFINITE (freg) "0" {
	int msw_reg = mono_regstate_next_int (s->rs);
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORER8_MEMBASE_REG, ppc_sp, -8, state->left->reg1);
	MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI4_MEMBASE, msw_reg, ppc_sp, -8);
	MONO_EMIT_NEW_UNALU (s, OP_CHECK_FINITE, -1, msw_reg);
	MONO_EMIT_NEW_UNALU (s, OP_FMOVE, state->reg1, state->left->reg1);
}

lreg: OP_LADD_OVF (lreg, lreg) "0" {
	/* ADC sets the condition code */
	MONO_EMIT_NEW_BIALU (s, OP_ADDCC, state->reg1, state->left->reg1, state->right->reg1);
	MONO_EMIT_NEW_BIALU (s, OP_ADD_OVF_CARRY, state->reg2, state->left->reg2, state->right->reg2);
}

lreg: OP_LADD_OVF_UN (lreg, lreg) "0" {
	/* ADC sets the condition code */
	MONO_EMIT_NEW_BIALU (s, OP_ADDCC, state->reg1, state->left->reg1, state->right->reg1);
	MONO_EMIT_NEW_BIALU (s, OP_ADD_OVF_UN_CARRY, state->reg2, state->left->reg2, state->right->reg2);
}

lreg: OP_LSUB_OVF (lreg, lreg) "0" {
	/* SBB sets the condition code */
	MONO_EMIT_NEW_BIALU (s, OP_SUBCC, state->reg1, state->left->reg1, state->right->reg1);
	MONO_EMIT_NEW_BIALU (s, OP_SUB_OVF_CARRY, state->reg2, state->left->reg2, state->right->reg2);
}

lreg: OP_LSUB_OVF_UN (lreg, lreg) "0" {
	/* SBB sets the condition code */
	MONO_EMIT_NEW_BIALU (s, OP_SUBCC, state->reg1, state->left->reg1, state->right->reg1);
	MONO_EMIT_NEW_BIALU (s, OP_SUB_OVF_UN_CARRY, state->reg2, state->left->reg2, state->right->reg2);
}

stmt: CEE_STIND_I8 (OP_REGVAR, lreg) {
	/* this should only happen for methods returning a long */
	MONO_EMIT_NEW_UNALU (s, OP_MOVE, ppc_r3, state->right->reg1);
	MONO_EMIT_NEW_UNALU (s, OP_MOVE, ppc_r4, state->right->reg2);
}

lreg: OP_LNEG (lreg) "2" {
	MONO_EMIT_NEW_BIALU_IMM (s, OP_PPC_SUBFIC, state->reg1, state->left->reg1, 0);
	MONO_EMIT_UNALU (s, tree, OP_PPC_SUBFZE, state->reg2, state->left->reg2);
}

freg: OP_LCONV_TO_R8 (lreg) {
	tree->dreg = state->reg1;
	tree->sreg1 = state->left->reg1;
	tree->sreg2 = state->left->reg2;
	mono_bblock_add_inst (s->cbb, tree);
}

freg: OP_LCONV_TO_R4 (lreg) {
	tree->dreg = state->reg1;
	tree->sreg1 = state->left->reg1;
	tree->sreg2 = state->left->reg2;
	mono_bblock_add_inst (s->cbb, tree);
}

freg: CEE_CONV_R_UN (reg) "1" {
	static const guint64 adjust_val = 0x4330000000000000ULL;
	int msw_reg = mono_regstate_next_int (s->rs);
	int adj_reg = mono_regstate_next_float (s->rs);
	int tmp_reg = mono_regstate_next_float (s->rs);
	MONO_EMIT_NEW_ICONST (s, msw_reg, 0x43300000);
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI4_MEMBASE_REG, ppc_sp, -8, msw_reg);
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI4_MEMBASE_REG, ppc_sp, -4, state->left->reg1);
	MONO_EMIT_NEW_LOAD_R8 (s, adj_reg, &adjust_val);
	MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADR8_MEMBASE, tmp_reg, ppc_sp, -8);
	MONO_EMIT_BIALU (s, tree, OP_FSUB, state->reg1, tmp_reg, adj_reg);
}

freg: CEE_CONV_R8 (reg),
freg: CEE_CONV_R4 (reg) "1" {
	/* FIXME: change precision for CEE_CONV_R4 */
	static const guint64 adjust_val = 0x4330000080000000ULL;
	int msw_reg = mono_regstate_next_int (s->rs);
	int xored = mono_regstate_next_int (s->rs);
	int adj_reg = mono_regstate_next_float (s->rs);
	int tmp_reg = mono_regstate_next_float (s->rs);
	MONO_EMIT_NEW_ICONST (s, msw_reg, 0x43300000);
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI4_MEMBASE_REG, ppc_sp, -8, msw_reg);
	MONO_EMIT_NEW_BIALU_IMM (s, OP_XOR_IMM, xored, state->left->reg1, 0x80000000);
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STOREI4_MEMBASE_REG, ppc_sp, -4, xored);
	MONO_EMIT_NEW_LOAD_R8 (s, adj_reg, &adjust_val);
	MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADR8_MEMBASE, tmp_reg, ppc_sp, -8);
	MONO_EMIT_BIALU (s, tree, OP_FSUB, state->reg1, tmp_reg, adj_reg);
}

reg: OP_LOCALLOC (OP_ICONST) {
	/* microcoded in mini-ppc.c */
	tree->sreg1 = mono_regstate_next_int (s->rs);
	tree->dreg = state->reg1;
	MONO_EMIT_NEW_ICONST (s, tree->sreg1, state->left->tree->inst_c0);
	mono_bblock_add_inst (s->cbb, tree);
}

reg: OP_LOCALLOC (reg) {
	tree->dreg = state->reg1;
	tree->sreg1 = state->left->reg1;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_SETRET (reg) {
	tree->opcode = OP_MOVE;
	tree->sreg1 = state->left->reg1;
	tree->dreg = ppc_r3;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_SETRET (lreg) {
	tree->opcode = OP_SETLRET;
	tree->sreg1 = state->left->reg1;
	tree->sreg2 = state->left->reg2;
	tree->dreg = ppc_r3;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_SETRET (freg) {
	tree->opcode = OP_FMOVE;
	tree->sreg1 = state->left->reg1;
	tree->dreg = ppc_f1;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_SETRET (OP_ICONST) {
	tree->opcode = OP_ICONST;
	tree->inst_c0 = state->left->tree->inst_c0;
	tree->dreg = ppc_r3;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_STIND_I (OP_REGVAR, CEE_SUB (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
stmt: CEE_STIND_I4 (OP_REGVAR, CEE_SUB (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)),
stmt: CEE_STIND_I (OP_REGVAR, CEE_ADD (CEE_LDIND_I (OP_REGVAR), OP_ICONST)),
stmt: CEE_STIND_I4 (OP_REGVAR, CEE_ADD (CEE_LDIND_I4 (OP_REGVAR), OP_ICONST)) {
	int con = state->right->right->tree->inst_c0;
	int dreg = state->left->tree->dreg;
	int sreg = state->right->left->left->tree->dreg;

	if (state->right->op == CEE_ADD)
		tree->opcode = OP_ADD_IMM;
	else if (state->right->op == CEE_SUB)
		tree->opcode = OP_SUB_IMM;
	else
		g_assert_not_reached ();
	tree->inst_imm = con;
	tree->sreg1 = sreg;
	tree->dreg = dreg;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: OP_OUTARG_MEMBASE (reg) {
	MonoPPCArgInfo *ai = tree->backend.data;
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, ppc_r1, ai->offset, state->left->reg1);
}

stmt: OP_OUTARG_MEMBASE (OP_REGVAR) {
	MonoPPCArgInfo *ai = tree->backend.data;
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, ppc_r1, ai->offset, state->left->tree->dreg);
}

stmt: OP_OUTARG_MEMBASE (lreg) {
	MonoPPCArgInfo *ai = tree->backend.data;
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, ppc_r1, ai->offset, state->left->reg2);
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, ppc_r1, ai->offset + 4, state->left->reg1);
}

stmt: OP_OUTARG_MEMBASE (OP_ICONST) {
	MonoPPCArgInfo *ai = tree->backend.data;
	MONO_EMIT_NEW_STORE_MEMBASE_IMM (s, OP_STORE_MEMBASE_IMM, ppc_r1, ai->offset, state->left->tree->inst_c0);
}

stmt: OP_OUTARG_MEMBASE (CEE_LDIND_REF (OP_REGVAR)) {
	MonoPPCArgInfo *ai = tree->backend.data;
	MONO_EMIT_NEW_STORE_MEMBASE (s, OP_STORE_MEMBASE_REG, ppc_r1, ai->offset, state->left->left->tree->dreg);
}

stmt: OP_OUTARG_MEMBASE (freg) {
	MonoPPCArgInfo *ai = tree->backend.data;
	int opcode = ai->size  == 4? OP_STORER4_MEMBASE_REG: OP_STORER8_MEMBASE_REG;
	MONO_EMIT_NEW_STORE_MEMBASE (s, opcode, ppc_r1, ai->offset, state->left->reg1);
}

stmt: OP_OUTARG (reg) {
	MonoCallInst *call = tree->inst_call;

	tree->opcode = OP_MOVE;
	tree->dreg = mono_regstate_next_int (s->rs);
	tree->sreg1 = state->left->reg1;
	mono_bblock_add_inst (s->cbb, tree);
	mono_call_inst_add_outarg_reg (s, call, tree->dreg, tree->backend.reg3, FALSE);
}

stmt: OP_OUTARG (OP_REGVAR) {
	MonoCallInst *call = tree->inst_call;

	tree->opcode = OP_MOVE;
	tree->dreg = mono_regstate_next_int (s->rs);
	tree->sreg1 = state->left->tree->dreg;
	mono_bblock_add_inst (s->cbb, tree);
	mono_call_inst_add_outarg_reg (s, call, tree->dreg, tree->backend.reg3, FALSE);
}

stmt: OP_OUTARG (lreg) {
	MonoCallInst *call = tree->inst_call;
	int tdreg = mono_regstate_next_int (s->rs);

	MONO_EMIT_NEW_UNALU (s, OP_MOVE, tdreg, state->left->reg2);
	mono_call_inst_add_outarg_reg (s, call, tdreg, tree->backend.reg3, FALSE);
	tree->opcode = OP_MOVE;
	tree->dreg = mono_regstate_next_int (s->rs);
	tree->sreg1 = state->left->reg1;
	mono_bblock_add_inst (s->cbb, tree);
	mono_call_inst_add_outarg_reg (s, call, tree->dreg, tree->backend.reg3 + 1, FALSE);
}

stmt: OP_OUTARG (OP_ICONST) {
	MonoCallInst *call = tree->inst_call;

	tree->opcode = OP_ICONST;
	tree->dreg = mono_regstate_next_int (s->rs);
	tree->inst_c0 = state->left->tree->inst_c0;
	mono_bblock_add_inst (s->cbb, tree);
	mono_call_inst_add_outarg_reg (s, call, tree->dreg, tree->backend.reg3, FALSE);
}

stmt: OP_OUTARG (CEE_LDIND_REF (OP_REGVAR)) {
	MonoCallInst *call = tree->inst_call;

	tree->opcode = OP_MOVE;
	tree->dreg = mono_regstate_next_int (s->rs);
	tree->sreg1 = state->left->left->tree->dreg;
	mono_bblock_add_inst (s->cbb, tree);
	mono_call_inst_add_outarg_reg (s, call, tree->dreg, tree->backend.reg3, FALSE);
}

#stmt: OP_OUTARG (CEE_LDOBJ (reg)) {
#	tree->opcode = OP_X86_PUSH;
#	tree->sreg1 = state->left->reg1;
#	mono_bblock_add_inst (s->cbb, tree);
#}

stmt: OP_OUTARG_R8 (freg),
stmt: OP_OUTARG (freg) {
	MonoCallInst *call = tree->inst_call;

	tree->opcode = OP_FMOVE;
	tree->dreg = mono_regstate_next_float (s->rs);
	tree->sreg1 = state->left->reg1;
	mono_bblock_add_inst (s->cbb, tree);
	mono_call_inst_add_outarg_reg (s, call, tree->dreg, tree->backend.reg3, TRUE);
}

stmt: OP_OUTARG_R8 (CEE_LDOBJ (base)) {
	/* small struct with fp value goes in a fp register */
	MonoInst *vt = state->left->left->tree;
	int tmpr, soffset, dreg;
	MonoCallInst *call = tree->inst_call;

	soffset = vt->inst_offset;
	tmpr = mono_regstate_next_float (s->rs);
	MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADR4_MEMBASE, tmpr, vt->inst_basereg, soffset);
	dreg = mono_regstate_next_float (s->rs);
	MONO_EMIT_NEW_UNALU (s, OP_FMOVE, dreg, tmpr);
	mono_call_inst_add_outarg_reg (s, call, dreg, tree->backend.reg3, TRUE);
}

stmt: OP_OUTARG_VT (CEE_LDOBJ (base)) {
	MonoCallInst *call = tree->inst_call;
	MonoPPCArgInfo *ai = tree->backend.data;
	MonoInst *vt = state->left->left->tree;
	int start_reg = ai->reg;
	int nregs = ai->size;
	int ovf_size = ai->vtsize;
	int i, tmpr, soffset, dreg;
	int size = 0;
	soffset = vt->inst_offset;
/*
  Darwin needs some special handling for 1 and 2 byte arguments
*/
#ifdef __APPLE__
	if (vt->inst_vtype && MONO_TYPE_ISSTRUCT (vt->inst_vtype) && vt->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
	    size =  mono_class_native_size (mono_class_from_mono_type (vt->inst_vtype), NULL);
	if (size == 2 || size == 1) {
		tmpr = mono_regstate_next_int (s->rs);
		if (size == 1)
			MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI1_MEMBASE, tmpr, vt->inst_basereg, soffset);
		else
			MONO_EMIT_NEW_LOAD_MEMBASE_OP (s, OP_LOADI2_MEMBASE, tmpr, vt->inst_basereg, soffset);
		dreg = mono_regstate_next_int (s->rs);
		MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, tmpr);
		mono_call_inst_add_outarg_reg (s, call, dreg, start_reg, FALSE);
	} else
#endif
	for (i = 0; i < nregs; ++i) {
		tmpr = mono_regstate_next_int (s->rs);
		MONO_EMIT_NEW_LOAD_MEMBASE (s, tmpr, vt->inst_basereg, soffset);
		dreg = mono_regstate_next_int (s->rs);
		MONO_EMIT_NEW_UNALU (s, OP_MOVE, dreg, tmpr);
		mono_call_inst_add_outarg_reg (s, call, dreg, start_reg + i, FALSE);
		soffset += sizeof (gpointer);
	}
	//g_print ("vt size: %d at R%d + %d\n", ai->offset, vt->inst_basereg, vt->inst_offset);
	if (ovf_size != 0) {
		mini_emit_memcpy (s, ppc_r1, ai->offset + (soffset - vt->inst_offset), vt->inst_basereg, soffset, ovf_size * sizeof (gpointer), 0);
	}
}

stmt: OP_OUTARG_VT (OP_ICONST) {
	MonoCallInst *call = tree->inst_call;
	MonoPPCArgInfo *ai = tree->backend.data;
	int start_reg = ai->reg;
	int nregs = ai->size;
	if (nregs) {
		tree->opcode = OP_ICONST;
		tree->dreg = mono_regstate_next_int (s->rs);
		tree->inst_c0 = state->left->tree->inst_c0;
		mono_bblock_add_inst (s->cbb, tree);
		mono_call_inst_add_outarg_reg (s, call, tree->dreg, start_reg, FALSE);
	} else {
		g_assert_not_reached ();
	}
}

stmt: OP_OUTARG_VT (reg) {
	MonoCallInst *call = tree->inst_call;
	MonoPPCArgInfo *ai = tree->backend.data;
	int start_reg = ai->reg;
	int nregs = ai->size;
	if (nregs) {
		tree->opcode = OP_MOVE;
		tree->dreg = mono_regstate_next_int (s->rs);
		tree->sreg1 = state->left->reg1;
		mono_bblock_add_inst (s->cbb, tree);
		mono_call_inst_add_outarg_reg (s, call, tree->dreg, start_reg, FALSE);
	} else {
		g_assert_not_reached ();
	}
}

stmt: CEE_STIND_R8 (OP_REGVAR, freg) {
	/* nothing to do: the value is already on the FP stack */
}

stmt: CEE_BNE_UN (fpcflags) {
	tree->opcode = OP_FBNE_UN;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BEQ (fpcflags) {
	tree->opcode = OP_FBEQ;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BLT (fpcflags) {
	tree->opcode = OP_FBLT;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BLT_UN (fpcflags) {
	tree->opcode = OP_FBLT_UN;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BGT (fpcflags) {
	tree->opcode = OP_FBGT;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BGT_UN (fpcflags) {
	tree->opcode = OP_FBGT_UN;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BGE  (fpcflags) {
	tree->opcode = OP_FBGE;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BGE_UN (fpcflags) {
	tree->opcode = OP_FBGE_UN;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BLE  (fpcflags) {
	tree->opcode = OP_FBLE;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_BLE_UN (fpcflags) {
	tree->opcode = OP_FBLE_UN;
	mono_bblock_add_inst (s->cbb, tree);
}

stmt: CEE_POP (freg) "0" {
	/* nothing to do */
}     

freg: OP_LCONV_TO_R8 (lreg) {
	/* nothing to do - emulated */
}

freg: OP_LCONV_TO_R4 (lreg) {
	/* nothing to do - emulated */
}

freg: OP_LCONV_TO_R_UN (lreg) {
	/* nothing to do - emulated */
}

freg: OP_FREM (freg, freg) {
	/* nothing to do - emulated */
}

reg: OP_CEQ (OP_COMPARE (freg, freg)) {	
	MONO_EMIT_BIALU (s, tree, OP_FCEQ, state->reg1, state->left->left->reg1,
			 state->left->right->reg1);
}

reg: OP_CLT (OP_COMPARE (freg, freg)) {	
	MONO_EMIT_BIALU (s, tree, OP_FCLT, state->reg1, state->left->left->reg1,
			 state->left->right->reg1);
}

reg: OP_CLT_UN (OP_COMPARE (freg, freg)) {	
	MONO_EMIT_BIALU (s, tree, OP_FCLT_UN, state->reg1, state->left->left->reg1,
			 state->left->right->reg1);
}

reg: OP_CGT (OP_COMPARE (freg, freg)) {	
	MONO_EMIT_BIALU (s, tree, OP_FCGT, state->reg1, state->left->left->reg1,
			 state->left->right->reg1);
}

reg: OP_CGT_UN (OP_COMPARE (freg, freg)) {	
	MONO_EMIT_BIALU (s, tree, OP_FCGT_UN, state->reg1, state->left->left->reg1,
			 state->left->right->reg1);
}

reg: CEE_ADD_OVF (reg, reg) "0" {
	MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
}

reg: CEE_ADD_OVF_UN (reg, reg) "0" {
	MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
}

reg: CEE_SUB_OVF (reg, reg) "0" {
	MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
}

reg: CEE_SUB_OVF_UN (reg, reg) "0" {
	MONO_EMIT_BIALU (s, tree, tree->opcode, state->reg1, state->left->reg1, state->right->reg1);
}
%%