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// ============================================================================
//        __
//   \\__/ o\    (C) 2012-2018  Robert Finch, Waterloo
//    \  __ /    All rights reserved.
//     \/_//     robfinch<remove>@finitron.ca
//       ||
//
// CC64 - 'C' derived language compiler
//  - 64 bit CPU
//
// This source file is free software: you can redistribute it and/or modify 
// it under the terms of the GNU Lesser General Public License as published 
// by the Free Software Foundation, either version 3 of the License, or     
// (at your option) any later version.                                      
//                                                                          
// This source file 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, see <http://www.gnu.org/licenses/>.    
//                                                                          
// ============================================================================
//
#include "stdafx.h"
 
void put_mask(int mask);
void align(int n);
void roseg();
bool renamed = false; 
int64_t genst_cumulative;
 
/*      variable initialization         */
 
enum e_gt { nogen, bytegen, chargen, halfgen, wordgen, longgen };
//enum e_sg { noseg, codeseg, dataseg, bssseg, idataseg };
 
int	       gentype = nogen;
int	       curseg = noseg;
int        outcol = 0;
 
// Please keep table in alphabetical order.
// Instruction.cpp has the number of table elements hard-coded in it.
//
Instruction opl[] =
{   
{ ";", op_rem },
{ "abs", op_abs,2,1,false,am_reg,am_reg,0,0 },
{ "add",op_add,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "addu", op_addu,1,1 },
{ "and",op_and,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "asl", op_asl,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "asr",op_asr,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "bbc", op_bbc,3,0,false,am_reg,am_ui6,0,0 },
{ "bbs", op_bbs,3,0,false,am_reg,am_ui6,0,0 },
{ "bchk", op_bchk,3,0 },
{ "beq", op_beq,3,0,false,am_reg,am_reg|am_imm,0,0 },
{ "beqi", op_beqi,3,0,false,am_reg,am_imm,0,0 },
{ "bex", op_bex,0,0,false,0,0,0,0 },
{ "bfext", op_bfext,2,1,false,am_reg },
{ "bfextu", op_bfextu,2,1,false,am_reg, },
{ "bfins", op_bfins,2,1,false,am_reg },
{ "bge", op_bge,3,0,false,am_reg,am_reg,0,0 },
{ "bgeu", op_bgeu,3,0,false,am_reg,am_reg,0,0 },
{ "bgt", op_bgt,3,0,false,am_reg,am_reg,0,0 },
{ "bgtu", op_bgtu,3,0,false,am_reg,am_reg,0,0 },
{ "bhi",op_bhi,2,0, false, am_reg, am_reg,0,0 },
{ "bhs",op_bhs,2,0, false, am_reg, am_reg,0,0 },
{ "ble", op_ble, 3,0,false,am_reg,am_reg,0,0 },
{ "bleu", op_bleu,3,0,false,am_reg,am_reg,0,0 },
{ "blo",op_blo,2,0,false,am_reg,am_reg,0,0 },
{ "bls",op_bls,2,0,false,am_reg,am_reg,0,0 },
{ "blt", op_blt,3,0,false,am_reg,am_reg,0,0 },
{ "bltu", op_bltu,3,0,false,am_reg,am_reg,0,0 },
{ "bmi", op_bmi,2,0,false,am_reg,am_reg,0,0 },
{ "bne", op_bne,3,0,false,am_reg,am_reg,0,0 },
{ "bor", op_bor,3,0 },
{ "br",op_br,3,0,false,0,0,0,0 },
{ "bra",op_bra,3,0,false,0,0,0,0 },
{ "brk", op_brk,1,0 },
{ "bsr", op_bsr },
{ "bun", op_bun,2,0 },
{ "cache",op_cache,1,0 },
{ "call", op_call,4,1,false,0,0,0,0 },
{ "chk", op_chk,1,0 },
{ "cmovenz", op_cmovenz,1,1,false,am_reg,am_reg,am_reg,am_reg },
{ "cmp",op_cmp,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "cmpu",op_cmpu,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "com", op_com,2,1,false,am_reg,am_reg,0,0 },
{ "csrrw", op_csrrw,1,1,false,am_reg },
{ "dc",op_dc },
{ "dec", op_dec,4,0,true,am_i5 },
{ "div", op_div,68,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "divu",op_divu,68,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "dw", op_dw },
{ "eor",op_eor,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "eq",op_eq },
{ "ext",op_ext },
{ "fadd", op_fadd, 6, 1, false, am_fpreg, am_fpreg, am_fpreg, 0 },
{ "fadd", op_fdadd,6,1,false,am_fpreg,am_fpreg,am_fpreg,0 },
{ "fadd.s", op_fsadd,6,1,false,am_fpreg,am_fpreg,am_fpreg,0 },
{ "fbeq", op_fbeq,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fbge", op_fbge,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fbgt", op_fbgt,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fble", op_fble,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fblt", op_fblt,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fbne", op_fbne,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fbor", op_fbor,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fbun", op_fbun,3,0,false,am_fpreg,am_fpreg,0,0 },
{ "fcmp", op_fcmp, 1,1,false,am_reg,am_fpreg,am_fpreg,0 },
{ "fcvtdq", op_fcvtdq,2,1,false,am_fpreg,am_fpreg,0,0 },
{ "fcvtsq", op_fcvtsq,2,1,false,am_fpreg,am_fpreg,0,0 },
{ "fcvttq", op_fcvttq,2,1,false,am_fpreg,am_fpreg,0,0 },
{ "fdiv", op_fdiv, 160, 1, false, am_fpreg, am_fpreg, am_fpreg, 0 },
{ "fdiv.s", op_fsdiv,80,1,false },
{ "fi2d", op_i2d,2,1,false },
{ "fix2flt", op_fix2flt },
{ "flt2fix",op_flt2fix },
{ "fmov", op_fmov,1,1 },
{ "fmov.d", op_fdmov,1,1 },
{ "fmul", op_fdmul,10,1,false,am_fpreg,am_fpreg,am_fpreg,0 },
{ "fmul", op_fmul, 10, 1, false, am_fpreg, am_fpreg, am_fpreg, 0 },
{ "fmul.s", op_fsmul,10,1,false },
{ "fneg", op_fneg,2,1,false,am_fpreg,am_fpreg,0,0 },
{ "fs2d", op_fs2d,2,1,false,am_fpreg,am_fpreg,0,0 },
{ "fslt", op_fslt, 1, 1, false, am_reg, am_fpreg, am_fpreg, 0 },
{ "fsub", op_fdsub,6,1,false,am_fpreg,am_fpreg,am_fpreg,0 },
{ "fsub", op_fsub, 6, 1, false, am_fpreg, am_fpreg, am_fpreg, 0 },
{ "fsub.s", op_fssub,6,1,false },
{ "ftadd", op_ftadd },
{ "ftdiv", op_ftdiv },
{ "ftmul", op_ftmul },
{ "ftoi", op_ftoi, 2, 1, false, am_reg, am_fpreg, 0, 0 },
{ "ftsub", op_ftsub },
{ "ge",op_ge },
{ "geu", op_geu },
{ "gt",op_gt },
{ "gtu",op_gtu },
{ "hint", op_hint,0 },
{ "hint2",op_hint2,0 },
{ "ibne", op_ibne,3,1 ,false,am_reg,am_reg,0,0 },
{ "inc", op_inc,4,0,true,am_i5,am_mem,0,0 },
{ "iret", op_iret,2,0,false,0,0,0,0 },
{ "itof", op_itof, 2, 1, false, am_fpreg, am_reg, 0, 0 },
{ "jal", op_jal,1,1,false },
{ "jmp",op_jmp,1,0,false,am_mem,0,0,0 },
{ "lb", op_lb,4,1,true,am_reg,am_mem,0,0 },
{ "lbu", op_lbu,4,1,true,am_reg,am_mem,0,0 },
{ "lc", op_lc,4,1,true,am_reg,am_mem,0,0 },
{ "lcu", op_lcu,4,1,true,am_reg,am_mem,0,0 },
{ "ldi",op_ldi,1,1,false,am_reg,am_imm,0,0 },
{ "le",op_le },
{ "lea",op_lea,1,1,false,am_reg,am_mem,0,0 },
{ "leu",op_leu },
{ "lf", op_lf, 4, 1, true, am_fpreg, am_mem, 0, 0 },
{ "lfd", op_lfd,4,1,true, am_fpreg, am_mem,0,0 },
{ "lft", op_lft,4,1,true, am_fpreg, am_mem,0,0 },
{ "lh", op_lh,4,1,true,am_reg,am_mem,0,0 },
{ "lhu", op_lhu,4,1,true,am_reg,am_mem,0,0 },
{ "link",op_link,4,1,true },
{ "lm", op_lm },
{ "loop", op_loop,1,0 },
{ "lsr", op_lsr,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "lt",op_lt },
{ "ltu", op_ltu },
{ "lv", op_lv,256,1 },
{ "lvbu", op_lvbu,4,1,true ,am_reg,am_mem,0,0 },
{ "lvcu", op_lvcu,4,1,true ,am_reg,am_mem,0,0 },
{ "lvhu", op_lvhu,4,1,true ,am_reg,am_mem,0,0 },
{ "lw", op_lw,4,1,true,am_reg,am_mem,0,0 },
{ "lwr", op_lwr,4,1,true,am_reg,am_mem,0,0 },
{ "lws", op_lws,4,1,true },
{ "mffp",op_mffp },
{ "mod", op_mod,68,1, false,am_reg,am_reg,am_reg|am_imm,0 },
{ "modu", op_modu,68,1,false,am_reg,am_reg,am_reg,0 },
{ "mov", op_mov,1,1,false,am_reg|am_fpreg,am_reg|am_fpreg,0,0 },
{ "move",op_move,1,1,false,am_reg | am_fpreg,am_reg | am_fpreg,0,0 },
{ "movs", op_movs },
{ "mtfp", op_mtfp },
{ "mul",op_mul,18,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "mulu",op_mulu,10,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "nand",op_nand,1,1,false,am_reg,am_reg,am_reg,0 },
{ "ne",op_ne },
{ "neg",op_neg, 1, 1, false,am_reg,am_reg,0,0 },
{ "nop", op_nop,0,0,false },
{ "nor",op_nor,1,1,false,am_reg,am_reg,am_reg,0 },
{ "not", op_not,2,1,false,am_reg,am_reg,0,0 },
{ "not",op_not,2,1, false,am_reg, am_reg,0,0 },
{ "nr", op_nr },
{ "or",op_or,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "pea", op_pea },
{ "pea",op_pea },
{ "phi", op_phi },
{ "pop", op_pop,4,2,true,am_reg,am_reg,0,0 },
{ "popf", op_popf,4,2,true,am_fpreg,am_reg,0,0 },
{ "push",op_push,4,1,true,am_reg,0,0,0 },
{ "pushf",op_pushf,4,0,true,am_fpreg,0,0,0 },
{ "redor", op_redor,2,1,false,am_reg,am_reg,am_reg,0 },
{ "ret", op_ret,1,0,am_imm,0,0,0 },
{ "rol", op_rol,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "ror", op_ror,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "rtd", op_rtd },
{ "rte", op_rte,2,0 },
{ "rti", op_rti,2,0 },
{ "sb",op_sb,4,0,true,am_reg,am_mem,0,0 },
{ "sc",op_sc,4,0,true,am_reg,am_mem,0,0 },
{ "sei", op_sei,1,0,false,am_reg,0,0,0 },
{ "seq", op_seq,1,1,false,am_reg,am_reg,am_reg|am_i26,0 },
{ "setwb", op_setwb, 1, 0 },
{ "sf", op_sf, 4, 0, true, am_fpreg, am_mem, 0, 0 },
{ "sfd", op_sfd,4,0,true, am_fpreg, am_mem,0,0 },
{ "sft", op_sft,4,0,true, am_fpreg, am_mem,0,0 },
{ "sge",op_sge,1,1,false,am_reg,am_reg,am_reg | am_i26,0 },
{ "sgeu",op_sgeu,1,1,false,am_reg,am_reg,am_reg | am_i26,0 },
{ "sgt",op_sgt,1,1,false,am_reg,am_reg,am_reg | am_i26,0 },
{ "sgtu",op_sgtu,1,1,false,am_reg,am_reg,am_reg | am_i26,0 },
{ "sh",op_sh,4,0,true,am_reg,am_mem,0,0 },
{ "shl", op_shl,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "shlu", op_shlu,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "shr", op_shr,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "shru", op_shru,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "sle",op_sle,1,1,false,am_reg,am_reg,am_reg | am_i26,0 },
{ "sleu",op_sleu,1,1,false,am_reg,am_reg,am_reg | am_i26,0 },
{ "sll", op_sll,2,1,false,am_reg,am_reg,am_reg,0 },
{ "slt", op_slt,1,1,false,am_reg,am_reg,am_reg,0 },
{ "sltu", op_sltu,1,1,false,am_reg,am_reg,am_reg,0 },
{ "sm",op_sm },
{ "sne",op_sne,1,1,false,am_reg,am_reg,am_reg|am_i26,0 },
{ "spt", op_spt,4,0,true ,am_reg,am_mem,0,0 },
{ "sptr", op_sptr,4,0,true,am_reg,am_mem,0,0 },
{ "sra", op_sra,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "srl", op_srl,2,1,false,am_reg,am_reg,am_reg|am_ui6,0 },
{ "sti", op_sti,1,0 },
{ "stop", op_stop },
{ "sub",op_sub,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "subu", op_subu,1,1 },
{ "sv", op_sv,256,0 },
{ "sw", op_sw,4,0,true,am_reg,am_mem,0,0 },
{ "swap",op_swap,1,1,false },
{ "swc", op_swc,4,0,true, am_reg, am_mem,0,0 },
{ "swp", op_swp, 8, false },
{ "sws", op_sws,4,0 },
{ "sxb",op_sxb,1,1,false,am_reg,am_reg,0,0 },
{ "sxc",op_sxc,1,1,false,am_reg,am_reg,0,0 },
{ "sxh",op_sxh,1,1,false,am_reg,am_reg,0,0 },
{ "tgt", op_calltgt,1 },
{ "tst",op_tst,1,1 },
{ "unlink",op_unlk,4,1,true },
{ "vadd", op_vadd,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vadds", op_vadds,10 },
{ "vdiv", op_vdiv,100,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vdivs", op_vdivs,100 },
{ "veins",op_veins,10 },
{ "vex", op_vex,10 },
{ "vmul", op_vmul,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vmuls", op_vmuls,10 },
{ "vseq", op_vseq,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vsge", op_vsge,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vsgt", op_vsgt,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vsle", op_vsle,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vslt", op_vslt,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vsne", op_vsne,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vsub", op_vsub,10,1,false, am_vreg,am_vreg,am_vreg,0 },
{ "vsubs", op_vsubs,10 },
{ "xnor",op_xnor,1,1,false,am_reg,am_reg,am_reg,0 },
{ "xor",op_xor,1,1,false,am_reg,am_reg,am_reg|am_imm,0 },
{ "zxb",op_zxb,1,1,false,am_reg,am_reg,0,0 },
{ "zxc",op_zxc,1,1,false,am_reg,am_reg,0,0 },
{ "zxh",op_zxh,1,1,false,am_reg,am_reg,0,0 },
{ "",op_empty },
{ "",op_asm,300 },
{ "", op_fnname },
{0,0,0,0,false,0,0,0,0}
};
 
Instruction *GetInsn(int op)
{
	return (Instruction::Get(op));
}
 
/*
static char *segstr(int op)
{
	static char buf[20];
 
	switch(op & 0xff00) {
	case op_cs:
		return "cs";
	case op_ss:
		return "ss";
	case op_ds:
		return "ds";
	case op_bs:
		return "bs";
	case op_ts:
		return "ts";
	default:
		sprintf(buf, "seg%d", op >> 8);
		return buf;
	}
}
*/
 
// Output a friendly register moniker
 
char *RegMoniker(int regno)
{
	static char buf[4][20];
	static int n;
 
	n = (n + 1) & 3;
    if (regno==30)
		sprintf_s(&buf[n][0], 20, "$fp");
    else if (regno==27)
		sprintf_s(&buf[n][0], 20, "$gp");
	else if (regno==28)
		sprintf_s(&buf[n][0], 20, "$xlr");
	else if (regno==regPC)
		sprintf_s(&buf[n][0], 20, "$pc");
	else if (regno==31)
		sprintf_s(&buf[n][0], 20, "$sp");
	else if (regno==29)
		sprintf_s(&buf[n][0], 20, "$lr");
	else if (regno>=1 && regno<=2)
		sprintf_s(&buf[n][0], 20, "$v%d", regno-1);
	else if (regno >= 18 && regno <= 24)
		sprintf_s(&buf[n][0], 20, "$a%d", regno-regFirstArg);
	else if (regno >= 3 && regno <= 10)
		sprintf_s(&buf[n][0], 20, "$t%d", regno-regFirstTemp);
	else if (regno >= 11 && regno <= 17)
		sprintf_s(&buf[n][0], 20, "$r%d", regno);
	else {
		if (regno == 3533)
			printf("hi");
		sprintf_s(&buf[n][0], 20, "$r%d", regno);
	}
	return &buf[n][0];
}
 
char *RegMoniker2(int regno)
{
	static char buf[4][20];
	static int n;
 
	n = (n + 1) & 3;
	if (regno == regFP)
		sprintf_s(&buf[n][0], 20, "$fp");
	else if (regno == regGP)
		sprintf_s(&buf[n][0], 20, "$gp");
	else if (regno == regXLR)
		sprintf_s(&buf[n][0], 20, "$xlr");
	else if (regno == regPC)
		sprintf_s(&buf[n][0], 20, "$pc");
	else if (regno == regSP)
		sprintf_s(&buf[n][0], 20, "$sp");
	else if (regno == regLR)
		sprintf_s(&buf[n][0], 20, "$lr");
	else if (regno >= 1 && regno <= 2)
		sprintf_s(&buf[n][0], 20, "$v%d", regno - 1);
	else if (regno >= regFirstArg && regno <= regLastArg)
		sprintf_s(&buf[n][0], 20, "$a%d", regno - regFirstArg);
	else if (regno >= regFirstTemp && regno <= regLastTemp)
		sprintf_s(&buf[n][0], 20, "$t%d", regno - regFirstTemp);
	else if (regno >= regFirstRegvar && regno <= regLastRegvar)
		sprintf_s(&buf[n][0], 20, "$r%d", regno);
	else
		sprintf_s(&buf[n][0], 20, "$r%d", regno);
	return &buf[n][0];
}
 
 
/*
 *      generate a register mask for restore and save.
 */
void put_mask(int mask)
{
	int nn;
	int first = 1;
 
	for (nn = 0; nn < 32; nn++) {
		if (mask & (1<<nn)) {
			if (!first)
				ofs.printf("/");
			ofs.printf("r%d",nn);
			first = 0;
		}
	}
//	fprintf(output,"#0x%04x",mask);
 
}
 
/*
 *      generate a register name from a tempref number.
 */
void putreg(int r)
{
	ofs.printf("r%d", r);
}
 
/*
 *      generate a named label.
 */
void gen_strlab(char *s)
{       ofs.printf("%s:\n",s);
}
 
/*
 *      output a compiler generated label.
 */
char *gen_label(int lab, char *nm, char *ns, char d)
{
	static char buf[500];
 
	if (nm == NULL)
		sprintf_s(buf, sizeof(buf), "%.400s_%d:\n", ns, lab);
	else if (strlen(nm) == 0)
		sprintf_s(buf, sizeof(buf), "%.400s_%d:\n", ns, lab);
	else
		sprintf_s(buf, sizeof(buf), "%.400s_%d: ; %s\n", ns, lab, nm);
	return (buf);
}
char *put_labels(char *buf)
{
	ofs.printf("%s", buf);
	return (buf);
}
 
char *put_label(int lab, char *nm, char *ns, char d)
{
  static char buf[500];
 
  sprintf_s(buf, sizeof(buf), "%.400s_%d", ns, lab);
	if (nm==NULL)
		ofs.printf("%s:\n",buf);
	else if (strlen(nm)==0)
		ofs.printf("%s:\n",buf);
	else
		ofs.printf("%s:	; %s\n",buf,nm);
	return buf;
}
 
 
void GenerateByte(int64_t val)
{
	if( gentype == bytegen && outcol < 60) {
        ofs.printf(",%d",(int)val & 0x00ff);
        outcol += 4;
    }
    else {
        nl();
        ofs.printf("\tdb\t%d",(int)val & 0x00ff);
        gentype = bytegen;
        outcol = 19;
    }
	genst_cumulative += 1;
}
 
void GenerateChar(int64_t val)
{
	if( gentype == chargen && outcol < 60) {
        ofs.printf(",%d",(int)val & 0xffff);
        outcol += 6;
    }
    else {
        nl();
        ofs.printf("\tdc\t%d",(int)val & 0xffff);
        gentype = chargen;
        outcol = 21;
    }
	genst_cumulative += 2;
}
 
void genhalf(int64_t val)
{
	if( gentype == halfgen && outcol < 60) {
        ofs.printf(",%ld",(long)(val & 0xffffffff));
        outcol += 10;
    }
    else {
        nl();
        ofs.printf("\tdh\t%ld",(long)(val & 0xffffffff));
        gentype = halfgen;
        outcol = 25;
    }
	genst_cumulative += 4;
}
 
void GenerateWord(int64_t val)
{
	if( gentype == wordgen && outcol < 58) {
        ofs.printf(",%lld",val);
        outcol += 18;
    }
    else {
        nl();
        ofs.printf("\tdw\t%lld",val);
        gentype = wordgen;
        outcol = 33;
    }
	genst_cumulative += 8;
}
 
void GenerateLong(int64_t val)
{ 
	if( gentype == longgen && outcol < 56) {
                ofs.printf(",%lld",val);
                outcol += 10;
                }
        else    {
                nl();
                ofs.printf("\tdw\t%lld",val);
                gentype = longgen;
                outcol = 25;
                }
		genst_cumulative += 8;
}
 
void GenerateFloat(Float128 *val)
{ 
	if (val==nullptr)
		return;
	ofs.printf("\r\n\talign 8\r\n");
	ofs.printf("\tdh\t%s",val->ToString(64));
    gentype = longgen;
    outcol = 65;
	genst_cumulative += 8;
}
 
void GenerateQuad(Float128 *val)
{ 
	if (val==nullptr)
		return;
	ofs.printf("\r\n\talign 8\r\n");
	ofs.printf("\tdh\t%s",val->ToString(128));
    gentype = longgen;
    outcol = 65;
	genst_cumulative += 16;
}
 
void GenerateReference(SYM *sp,int64_t offset)
{
	char    sign;
    if( offset < 0) {
        sign = '-';
        offset = -offset;
    }
    else
        sign = '+';
    if( gentype == longgen && outcol < 55 - (int)sp->name->length()) {
        if( sp->storage_class == sc_static) {
			ofs.printf(",");
			ofs.printf(GetNamespace());
			ofs.printf("_%lld", sp->value.i);
			ofs.putch(sign);
			ofs.printf("%lld", offset);
//                fprintf(output,",%s_%ld%c%d",GetNamespace(),sp->value.i,sign,offset);
		}
        else if( sp->storage_class == sc_thread) {
			ofs.printf(",");
			ofs.printf(GetNamespace());
			ofs.printf("_%lld", sp->value.i);
			ofs.putch(sign);
			ofs.printf("%lld", offset);
//                fprintf(output,",%s_%ld%c%d",GetNamespace(),sp->value.i,sign,offset);
		}
		else {
			if (offset==0) {
                ofs.printf(",%s",(char *)sp->name->c_str());
			}
			else {
                ofs.printf(",%s",(char *)sp->name->c_str());
				ofs.putch(sign);
				ofs.printf("%lld",offset);
			}
		}
        outcol += (11 + sp->name->length());
    }
    else {
        nl();
        if(sp->storage_class == sc_static) {
			ofs.printf("\tdw\t%s",GetNamespace());
			ofs.printf("_%lld",sp->value.i);
			ofs.putch(sign);
			ofs.printf("%lld",offset);
//            fprintf(output,"\tdw\t%s_%ld%c%d",GetNamespace(),sp->value.i,sign,offset);
		}
        else if(sp->storage_class == sc_thread) {
//            fprintf(output,"\tdw\t%s_%ld%c%d",GetNamespace(),sp->value.i,sign,offset);
			ofs.printf("\tdw\t%s",GetNamespace());
			ofs.printf("_%lld",sp->value.i);
			ofs.putch(sign);
			ofs.printf("%lld",offset);
		}
		else {
			if (offset==0) {
				ofs.printf("\tdw\t%s",(char *)sp->name->c_str());
			}
			else {
				ofs.printf("\tdw\t%s",(char *)sp->name->c_str());
				ofs.putch(sign);
				ofs.printf("%lld", offset);
//				fprintf(output,"\tdw\t%s%c%d",sp->name,sign,offset);
			}
		}
        outcol = 26 + sp->name->length();
        gentype = longgen;
    }
}
 
void genstorageskip(int nbytes)
{
	char buf[200];
	int64_t nn;
 
	nl();
	nn = (nbytes + 7) >> 3;
	if (nn) {
		sprintf_s(buf, sizeof(buf), "\talign\t8\r\n\tdw\t0x%I64X\r\n", nn | 0xFFF0200000000000LL);
		ofs.printf("%s", buf);
	}
}
 
void genstorage(int64_t nbytes)
{       
	nl();
	if (nbytes) {
		ofs.printf("\tfill.b\t%lld,0x00\n", nbytes);
	}
	genst_cumulative += nbytes;
}
 
void GenerateLabelReference(int n)
{ 
	if( gentype == longgen && outcol < 58) {
        ofs.printf(",%s_%d",GetNamespace(),n);
        outcol += 6;
    }
    else {
        nl();
        ofs.printf("\tdw\t%s_%d",GetNamespace(),n);
        outcol = 22;
        gentype = longgen;
    }
}
 
/*
 *      make s a string literal and return it's label number.
 */
int stringlit(char *s)
{      
	struct slit *lp;
 
	lp = (struct slit *)allocx(sizeof(struct slit));
	lp->label = nextlabel++;
	lp->str = my_strdup(s);
	lp->nmspace = my_strdup(GetNamespace());
	lp->next = strtab;
	strtab = lp;
	return lp->label;
}
 
int caselit(struct scase *cases, int64_t num)
{
	struct clit *lp;
 
	lp = (struct clit *)allocx(sizeof(struct clit));
	lp->label = nextlabel++;
	lp->nmspace = my_strdup(GetNamespace());
	lp->cases = (struct scase *)allocx(sizeof(struct scase)*(int)num);
	lp->num = (int)num;
	memcpy(lp->cases, cases, (int)num * sizeof(struct scase));
	lp->next = casetab;
	casetab = lp;
	return lp->label;
}
 
int quadlit(Float128 *f128)
{
	Float128 *lp;
	lp = quadtab;
	// First search for the same literal constant and it's label if found.
	while(lp) {
		if (Float128::IsEqual(lp,Float128::Zero())) {
			if (Float128::IsEqualNZ(lp,f128))
				return lp->label;
		}
		else if (Float128::IsEqual(lp,f128))
			return lp->label;
		lp = lp->next;
	}
	lp = (Float128 *)allocx(sizeof(Float128));
	lp->label = nextlabel++;
	Float128::Assign(lp,f128);
	lp->nmspace = my_strdup(GetNamespace());
	lp->next = quadtab;
	quadtab = lp;
	return (lp->label);
}
 
 
char *strip_crlf(char *p)
{
     static char buf[2000];
     int nn;
 
     for (nn = 0; *p && nn < 1998; p++) {
         if (*p != '\r' && *p!='\n') {
            buf[nn] = *p;
            nn++;
         }
     }
     buf[nn] = '\0';
	 return buf;
}
 
int64_t GetStrtabLen()
{
	struct slit *p;
	int64_t len;
	char *cp;
 
	len = 0;
	for (p = strtab; p; p = p->next) {
		cp = p->str;
		while (*cp) {
			len++;
			cp++;
		}
		len++;	// for null char
	}
	len += 7;
	len >>= 3;
	return (len);
}
 
int64_t GetQuadtabLen()
{
	Float128 *p;
	int64_t len;
 
	len = 0;
	for (p = quadtab; p; p = p->next) {
		len++;
	}
	return (len);
}
 
// Dump the literal pools.
 
void dumplits()
{
	char *cp;
	int64_t nn;
 
	dfs.printf("<Dumplits>\n");
	roseg();
	if (casetab) {
		nl();
		align(8);
		nl();
	}
	while(casetab != nullptr) {
		nl();
		put_label(casetab->label,"",casetab->nmspace,'D');
		for (nn = 0; nn < casetab->num; nn++)
			GenerateLabelReference(casetab->cases[nn].label);
		casetab = casetab->next;
	}
	if (quadtab) {
		nl();
		align(8);
		nl();
	}
 
	// Dumping to ro segment - no need for GC skip
	/*
	nn = GetQuadtabLen();
	if (nn) {
		sprintf_s(buf, sizeof(buf), "\tdw\t$%I64X ; GC_skip\n", nn | 0xFFF0200000000000LL);
		ofs.printf("%s", buf);
	}
	*/
	while(quadtab != nullptr) {
		nl();
		put_label(quadtab->label,"",quadtab->nmspace,'D');
		ofs.printf("\tdh\t");
		quadtab->Pack(64);
		ofs.printf("%s",quadtab->ToString(64));
		outcol += 35;
		quadtab = quadtab->next;
	}
	if (strtab) {
		nl();
		align(8);
		nl();
	}
 
	//nn = GetStrtabLen();
	//if (nn) {
	//	sprintf_s(buf, sizeof(buf), "\tdw\t$%I64X ; GC_skip\n", nn | 0xFFF0200000000000LL);
	//	ofs.printf("%s", buf);
	//}
	while( strtab != NULL) {
		dfs.printf(".");
		nl();
		put_label(strtab->label,strip_crlf(strtab->str),strtab->nmspace,'D');
		cp = strtab->str;
		while(*cp)
			GenerateChar(*cp++);
		GenerateChar(0);
		strtab = strtab->next;
	}
	nl();
	dfs.printf("</Dumplits>\n");
}
 
void nl()
{       
	if(outcol > 0) {
		ofs.printf("\n");
		outcol = 0;
		gentype = nogen;
	}
}
 
void align(int n)
{
	ofs.printf("\talign\t%d\n",n);
}
 
void cseg()
{
	if( curseg != codeseg) {
		nl();
		ofs.printf("\tcode\n");
		ofs.printf("\talign\t16\n");
		curseg = codeseg;
    }
}
 
void dseg()
{    
	nl();
	if( curseg != dataseg) {
		ofs.printf("\tdata\n");
		curseg = dataseg;
    }
	ofs.printf("\talign\t8\n");
}
 
void tseg()
{    
	if( curseg != tlsseg) {
		nl();
		ofs.printf("\ttls\n");
		ofs.printf("\talign\t8\n");
		curseg = tlsseg;
    }
}
 
void roseg()
{
	if( curseg != rodataseg) {
		nl();
		ofs.printf("\trodata\n");
		ofs.printf("\talign\t16\n");
		curseg = rodataseg;
    }
}
 
void seg(int sg, int algn)
{    
	nl();
	if( curseg != sg) {
		switch(sg) {
		case bssseg:
			ofs.printf("\tbss\n");
			break;
		case dataseg:
			ofs.printf("\tdata\n");
			break;
		case tlsseg:
			ofs.printf("\ttls\n");
			break;
		case idataseg:
			ofs.printf("\tidata\n");
			break;
		case codeseg:
			ofs.printf("\tcode\n");
			break;
		case rodataseg:
			ofs.printf("\trodata\n");
			break;
		}
		curseg = sg;
    }
 	ofs.printf("\talign\t%d\n", algn);
}