Subversion Repositories eco32

%{

#include "c.h"

#define NODEPTR_TYPE Node

#define OP_LABEL(p) ((p)->op)

#define LEFT_CHILD(p) ((p)->kids[0])

#define RIGHT_CHILD(p) ((p)->kids[1])

#define STATE_LABEL(p) ((p)->x.state)

static void address(Symbol, Symbol, long);

static void blkfetch(int, int, int, int);

static void blkloop(int, int, int, int, int, int[]);

static void blkstore(int, int, int, int);

static void defaddress(Symbol);

static void defconst(int, int, Value);

static void defstring(int, char *);

static void defsymbol(Symbol);

static void doarg(Node);

static void emit2(Node);

static void export(Symbol);

static void clobber(Node);

static void function(Symbol, Symbol [], Symbol [], int);

static void global(Symbol);

static void import(Symbol);

static void local(Symbol);

static void progbeg(int, char **);

static void progend(void);

static void segment(int);

static void space(int);

static void target(Node);

static int imm(Node);

static void renameregs(void);

extern Interface sparcIR, solarisIR;

static void defsymbol2(Symbol);

static void export2(Symbol);

static void globalend(void);

static void global2(Symbol);

static void segment2(int);

static void progend2(void);

extern char *stabprefix;

extern void stabblock(int, int, Symbol*);

extern void stabend(Coordinate *, Symbol, Coordinate **, Symbol *, Symbol *);

extern void stabfend(Symbol, int);

extern void stabinit(char *, int, char *[]);

extern void stabline(Coordinate *);

extern void stabsym(Symbol);

extern void stabtype(Symbol);

static Symbol greg[32], gregw;

static Symbol *oreg = &greg[8], *ireg = &greg[24];

static Symbol freg[32], freg2[32];

static Symbol fregw, freg2w;

static int regvars;

static int retstruct;

static int pflag = 0;

static int cseg;

%}

%start stmt

%term CNSTF4=4113

%term CNSTF8=8209

%term CNSTF16=16401

%term CNSTI1=1045

%term CNSTI2=2069

%term CNSTI4=4117

%term CNSTI8=8213

%term CNSTP4=4119

%term CNSTP8=8215

%term CNSTU1=1046

%term CNSTU2=2070

%term CNSTU4=4118

%term CNSTU8=8214

%term ARGB=41

%term ARGF4=4129

%term ARGF8=8225

%term ARGF16=16417

%term ARGI4=4133

%term ARGI8=8229

%term ARGP4=4135

%term ARGP8=8231

%term ARGU4=4134

%term ARGU8=8230

%term ASGNB=57

%term ASGNF4=4145

%term ASGNF8=8241

%term ASGNF16=16433

%term ASGNI1=1077

%term ASGNI2=2101

%term ASGNI4=4149

%term ASGNI8=8245

%term ASGNP4=4151

%term ASGNP8=8247

%term ASGNU1=1078

%term ASGNU2=2102

%term ASGNU4=4150

%term ASGNU8=8246

%term INDIRB=73

%term INDIRF4=4161

%term INDIRF8=8257

%term INDIRF16=16449

%term INDIRI1=1093

%term INDIRI2=2117

%term INDIRI4=4165

%term INDIRI8=8261

%term INDIRP4=4167

%term INDIRP8=8263

%term INDIRU1=1094

%term INDIRU2=2118

%term INDIRU4=4166

%term INDIRU8=8262

%term CVFF4=4209

%term CVFF8=8305

%term CVFF16=16497

%term CVFI4=4213

%term CVFI8=8309

%term CVIF4=4225

%term CVIF8=8321

%term CVIF16=16513

%term CVII1=1157

%term CVII2=2181

%term CVII4=4229

%term CVII8=8325

%term CVIU1=1158

%term CVIU2=2182

%term CVIU4=4230

%term CVIU8=8326

%term CVPP4=4247

%term CVPP8=8343

%term CVPP16=16535

%term CVPU4=4246

%term CVPU8=8342

%term CVUI1=1205

%term CVUI2=2229

%term CVUI4=4277

%term CVUI8=8373

%term CVUP4=4279

%term CVUP8=8375

%term CVUP16=16567

%term CVUU1=1206

%term CVUU2=2230

%term CVUU4=4278

%term CVUU8=8374

%term NEGF4=4289

%term NEGF8=8385

%term NEGF16=16577

%term NEGI4=4293

%term NEGI8=8389

%term CALLB=217

%term CALLF4=4305

%term CALLF8=8401

%term CALLF16=16593

%term CALLI4=4309

%term CALLI8=8405

%term CALLP4=4311

%term CALLP8=8407

%term CALLU4=4310

%term CALLU8=8406

%term CALLV=216

%term RETF4=4337

%term RETF8=8433

%term RETF16=16625

%term RETI4=4341

%term RETI8=8437

%term RETP4=4343

%term RETP8=8439

%term RETU4=4342

%term RETU8=8438

%term RETV=248

%term ADDRGP4=4359

%term ADDRGP8=8455

%term ADDRFP4=4375

%term ADDRFP8=8471

%term ADDRLP4=4391

%term ADDRLP8=8487

%term ADDF4=4401

%term ADDF8=8497

%term ADDF16=16689

%term ADDI4=4405

%term ADDI8=8501

%term ADDP4=4407

%term ADDP8=8503

%term ADDU4=4406

%term ADDU8=8502

%term SUBF4=4417

%term SUBF8=8513

%term SUBF16=16705

%term SUBI4=4421

%term SUBI8=8517

%term SUBP4=4423

%term SUBP8=8519

%term SUBU4=4422

%term SUBU8=8518

%term LSHI4=4437

%term LSHI8=8533

%term LSHU4=4438

%term LSHU8=8534

%term MODI4=4453

%term MODI8=8549

%term MODU4=4454

%term MODU8=8550

%term RSHI4=4469

%term RSHI8=8565

%term RSHU4=4470

%term RSHU8=8566

%term BANDI4=4485

%term BANDI8=8581

%term BANDU4=4486

%term BANDU8=8582

%term BCOMI4=4501

%term BCOMI8=8597

%term BCOMU4=4502

%term BCOMU8=8598

%term BORI4=4517

%term BORI8=8613

%term BORU4=4518

%term BORU8=8614

%term BXORI4=4533

%term BXORI8=8629

%term BXORU4=4534

%term BXORU8=8630

%term DIVF4=4545

%term DIVF8=8641

%term DIVF16=16833

%term DIVI4=4549

%term DIVI8=8645

%term DIVU4=4550

%term DIVU8=8646

%term MULF4=4561

%term MULF8=8657

%term MULF16=16849

%term MULI4=4565

%term MULI8=8661

%term MULU4=4566

%term MULU8=8662

%term EQF4=4577

%term EQF8=8673

%term EQF16=16865

%term EQI4=4581

%term EQI8=8677

%term EQU4=4582

%term EQU8=8678

%term GEF4=4593

%term GEF8=8689

%term GEI4=4597

%term GEI8=8693

%term GEI16=16885

%term GEU4=4598

%term GEU8=8694

%term GTF4=4609

%term GTF8=8705

%term GTF16=16897

%term GTI4=4613

%term GTI8=8709

%term GTU4=4614

%term GTU8=8710

%term LEF4=4625

%term LEF8=8721

%term LEF16=16913

%term LEI4=4629

%term LEI8=8725

%term LEU4=4630

%term LEU8=8726

%term LTF4=4641

%term LTF8=8737

%term LTF16=16929

%term LTI4=4645

%term LTI8=8741

%term LTU4=4646

%term LTU8=8742

%term NEF4=4657

%term NEF8=8753

%term NEF16=16945

%term NEI4=4661

%term NEI8=8757

%term NEU4=4662

%term NEU8=8758

%term JUMPV=584

%term LABELV=600

%term LOADB=233

%term LOADF4=4321

%term LOADF8=8417

%term LOADF16=16609

%term LOADI1=1253

%term LOADI2=2277

%term LOADI4=4325

%term LOADI8=8421

%term LOADP4=4327

%term LOADP8=8423

%term LOADU1=1254

%term LOADU2=2278

%term LOADU4=4326

%term LOADU8=8422

%term VREGP=711

%%

reg:  INDIRI1(VREGP)     "# read register\n"

reg:  INDIRU1(VREGP)     "# read register\n"

reg:  INDIRI2(VREGP)     "# read register\n"

reg:  INDIRU2(VREGP)     "# read register\n"

reg:  INDIRF4(VREGP)     "# read register\n"

reg:  INDIRI4(VREGP)     "# read register\n"

reg:  INDIRP4(VREGP)     "# read register\n"

reg:  INDIRU4(VREGP)     "# read register\n"

reg:  INDIRF8(VREGP)     "# read register\n"

reg:  INDIRI8(VREGP)     "# read register\n"

reg:  INDIRP8(VREGP)     "# read register\n"

reg:  INDIRU8(VREGP)     "# read register\n"

stmt: ASGNI1(VREGP,reg)  "# write register\n"

stmt: ASGNU1(VREGP,reg)  "# write register\n"

stmt: ASGNI2(VREGP,reg)  "# write register\n"

stmt: ASGNU2(VREGP,reg)  "# write register\n"

stmt: ASGNF4(VREGP,reg)  "# write register\n"

stmt: ASGNI4(VREGP,reg)  "# write register\n"

stmt: ASGNP4(VREGP,reg)  "# write register\n"

stmt: ASGNU4(VREGP,reg)  "# write register\n"

stmt: ASGNF8(VREGP,reg)  "# write register\n"

stmt: ASGNI8(VREGP,reg)  "# write register\n"

stmt: ASGNP8(VREGP,reg)  "# write register\n"

stmt: ASGNU8(VREGP,reg)  "# write register\n"

con: CNSTI1  "%a"

con: CNSTU1  "%a"

con: CNSTI2  "%a"

con: CNSTU2  "%a"

con: CNSTI4  "%a"

con: CNSTU4  "%a"

con: CNSTP4  "%a"

con: CNSTI8  "%a"

con: CNSTU8  "%a"

con: CNSTP8  "%a"

stmt: reg  ""

reg: ADDRGP4  "set %a,%%%c\n"  1

stk13: ADDRFP4  "%a"                  imm(a)

stk13: ADDRLP4  "%a"                  imm(a)

reg:   stk13   "add %0,%%fp,%%%c\n"  1

stk: ADDRFP4  "set %a,%%%c\n"                      2

stk: ADDRLP4  "set %a,%%%c\n"                      2

reg: ADDRFP4  "set %a,%%%c\nadd %%%c,%%fp,%%%c\n"  3

reg: ADDRLP4  "set %a,%%%c\nadd %%%c,%%fp,%%%c\n"  3

con13: CNSTI1  "%a"  imm(a)

con13: CNSTI2  "%a"  imm(a)

con13: CNSTI4  "%a"  imm(a)

con13: CNSTU1  "%a"  imm(a)

con13: CNSTU2  "%a"  imm(a)

con13: CNSTU4  "%a"  imm(a)

con13: CNSTP4  "%a"  imm(a)

base: ADDI4(reg,con13)  "%%%0+%1"

base: ADDP4(reg,con13)  "%%%0+%1"

base: ADDU4(reg,con13)  "%%%0+%1"

base: reg    "%%%0"

base: con13  "%0"

base: stk13  "%%fp+%0"

addr: base           "%0"

addr: ADDI4(reg,reg)  "%%%0+%%%1"

addr: ADDP4(reg,reg)  "%%%0+%%%1"

addr: ADDU4(reg,reg)  "%%%0+%%%1"

addr: stk            "%%fp+%%%0"

reg:  INDIRI1(addr)     "ldsb [%0],%%%c\n"  1

reg:  INDIRI2(addr)     "ldsh [%0],%%%c\n"  1

reg:  INDIRI4(addr)     "ld [%0],%%%c\n"    1

reg:  INDIRU1(addr)     "ldub [%0],%%%c\n"  1

reg:  INDIRU2(addr)     "lduh [%0],%%%c\n"  1

reg:  INDIRU4(addr)     "ld [%0],%%%c\n"    1

reg:  INDIRP4(addr)     "ld [%0],%%%c\n"    1

reg:  INDIRF4(addr)     "ld [%0],%%f%c\n"   1

stmt: ASGNI1(addr,reg)  "stb %%%1,[%0]\n"   1

stmt: ASGNI2(addr,reg)  "sth %%%1,[%0]\n"   1

stmt: ASGNI4(addr,reg)  "st %%%1,[%0]\n"    1

stmt: ASGNU1(addr,reg)  "stb %%%1,[%0]\n"   1

stmt: ASGNU2(addr,reg)  "sth %%%1,[%0]\n"   1

stmt: ASGNU4(addr,reg)  "st %%%1,[%0]\n"    1

stmt: ASGNP4(addr,reg)  "st %%%1,[%0]\n"    1

stmt: ASGNF4(addr,reg)  "st %%f%1,[%0]\n"   1

addrl: ADDRLP4            "%%%fp+%a"          imm(a)

reg:   INDIRF8(addrl)     "ldd [%0],%%f%c\n"  1

stmt:  ASGNF8(addrl,reg)  "std %%f%1,[%0]\n"  1

reg:  INDIRF8(base)     "# ld2 [%0],%%f%c\n"  2

stmt: ASGNF8(base,reg)  "# st2 %%f%1,[%0]\n"  2

spill:  ADDRLP4          "%a" !imm(a)

stmt: ASGNI1(spill,reg)  "set %0,%%g1\nstb %%%1,[%%fp+%%g1]\n"

stmt: ASGNI2(spill,reg)  "set %0,%%g1\nsth %%%1,[%%fp+%%g1]\n"

stmt: ASGNI4(spill,reg)  "set %0,%%g1\nst %%%1,[%%fp+%%g1]\n"

stmt: ASGNU1(spill,reg)  "set %0,%%g1\nstb %%%1,[%%fp+%%g1]\n"

stmt: ASGNU2(spill,reg)  "set %0,%%g1\nsth %%%1,[%%fp+%%g1]\n"

stmt: ASGNU4(spill,reg)  "set %0,%%g1\nst %%%1,[%%fp+%%g1]\n"

stmt: ASGNP4(spill,reg)  "set %0,%%g1\nst %%%1,[%%fp+%%g1]\n"

stmt: ASGNF4(spill,reg)  "set %0,%%g1\nst %%f%1,[%%fp+%%g1]\n"

stmt: ASGNF8(spill,reg)  "set %0,%%g1\nstd %%f%1,[%%fp+%%g1]\n"

reg: CVII4(INDIRI1(addr))  "ldsb [%0],%%%c\n"  1

reg: CVII4(INDIRI2(addr))  "ldsh [%0],%%%c\n"  1

reg: CVUU4(INDIRU1(addr))  "ldub [%0],%%%c\n"  1

reg: CVUU4(INDIRU2(addr))  "lduh [%0],%%%c\n"  1

reg: CVUI4(INDIRU1(addr))  "ldub [%0],%%%c\n"  1

reg: CVUI4(INDIRU2(addr))  "lduh [%0],%%%c\n"  1

reg: LOADI1(reg)  "mov %%%0,%%%c\n"  move(a)

reg: LOADI2(reg)  "mov %%%0,%%%c\n"  move(a)

reg: LOADI4(reg)  "mov %%%0,%%%c\n"  move(a)

reg: LOADP4(reg)  "mov %%%0,%%%c\n"  move(a)

reg: LOADU1(reg)  "mov %%%0,%%%c\n"  move(a)

reg: LOADU2(reg)  "mov %%%0,%%%c\n"  move(a)

reg: LOADU4(reg)  "mov %%%0,%%%c\n"  move(a)

reg: CNSTI1  "# reg\n"  range(a, 0, 0)

reg: CNSTI2  "# reg\n"  range(a, 0, 0)

reg: CNSTI4  "# reg\n"  range(a, 0, 0)

reg: CNSTP4  "# reg\n"  range(a, 0, 0)

reg: CNSTU1  "# reg\n"  range(a, 0, 0)

reg: CNSTU2  "# reg\n"  range(a, 0, 0)

reg: CNSTU4  "# reg\n"  range(a, 0, 0)

reg: con  "set %0,%%%c\n"  1

rc: con13  "%0"

rc: reg    "%%%0"

reg: ADDI4(reg,rc)   "add %%%0,%1,%%%c\n"  1

reg: ADDP4(reg,rc)   "add %%%0,%1,%%%c\n"  1

reg: ADDU4(reg,rc)   "add %%%0,%1,%%%c\n"  1

reg: BANDI4(reg,rc)  "and %%%0,%1,%%%c\n"  1

reg: BORI4(reg,rc)   "or %%%0,%1,%%%c\n"   1

reg: BXORI4(reg,rc)  "xor %%%0,%1,%%%c\n"  1

reg: BANDU4(reg,rc)  "and %%%0,%1,%%%c\n"  1

reg: BORU4(reg,rc)   "or %%%0,%1,%%%c\n"   1

reg: BXORU4(reg,rc)  "xor %%%0,%1,%%%c\n"  1

reg: SUBI4(reg,rc)   "sub %%%0,%1,%%%c\n"  1

reg: SUBP4(reg,rc)   "sub %%%0,%1,%%%c\n"  1

reg: SUBU4(reg,rc)   "sub %%%0,%1,%%%c\n"  1

rc5: CNSTI4  "%a"    range(a, 0, 31)

rc5: reg    "%%%0"

reg: LSHI4(reg,rc5)  "sll %%%0,%1,%%%c\n"  1

reg: LSHU4(reg,rc5)  "sll %%%0,%1,%%%c\n"  1

reg: RSHI4(reg,rc5)  "sra %%%0,%1,%%%c\n"  1

reg: RSHU4(reg,rc5)  "srl %%%0,%1,%%%c\n"  1

reg: BANDI4(reg,BCOMI4(rc))  "andn %%%0,%1,%%%c\n"  1

reg: BORI4(reg,BCOMI4(rc))   "orn %%%0,%1,%%%c\n"   1

reg: BXORI4(reg,BCOMI4(rc))  "xnor %%%0,%1,%%%c\n"  1

reg: BANDU4(reg,BCOMU4(rc))  "andn %%%0,%1,%%%c\n"  1

reg: BORU4(reg,BCOMU4(rc))   "orn %%%0,%1,%%%c\n"   1

reg: BXORU4(reg,BCOMU4(rc))  "xnor %%%0,%1,%%%c\n"  1

reg: NEGI4(reg)   "neg %%%0,%%%c\n"  1

reg: BCOMI4(reg)  "not %%%0,%%%c\n"  1

reg: BCOMU4(reg)  "not %%%0,%%%c\n"  1

reg: CVII4(reg)  "sll %%%0,8*(4-%a),%%%c; sra %%%c,8*(4-%a),%%%c\n"  2

reg: CVUU4(reg)  "sll %%%0,8*(4-%a),%%%c; srl %%%c,8*(4-%a),%%%c\n"  2

reg: CVUU4(reg)  "and %%%0,0xff,%%%c\n" (a->syms[0]->u.c.v.i == 1 ? 1 : LBURG_MAX)

reg: CVUU4(reg)  "set 0xffff,%%g1; and %%%0,%%g1,%%%c\n"  2

reg: CVUI4(reg)  "and %%%0,0xff,%%%c\n" (a->syms[0]->u.c.v.i == 1 ? 1 : LBURG_MAX)

reg: CVUI4(reg)  "set 0xffff,%%g1; and %%%0,%%g1,%%%c\n"  2

addrg: ADDRGP4        "%a"

stmt:  JUMPV(addrg)  "ba %0; nop\n"   2

stmt:  JUMPV(addr)   "jmp %0; nop\n"  2

stmt:  LABELV        "%a:\n"

stmt: EQI4(reg,rc)  "cmp %%%0,%1; be %a; nop\n"    3

stmt: EQU4(reg,rc)  "cmp %%%0,%1; be %a; nop\n"    3

stmt: GEI4(reg,rc)  "cmp %%%0,%1; bge %a; nop\n"   3

stmt: GEU4(reg,rc)  "cmp %%%0,%1; bgeu %a; nop\n"  3

stmt: GTI4(reg,rc)  "cmp %%%0,%1; bg %a; nop\n"    3

stmt: GTU4(reg,rc)  "cmp %%%0,%1; bgu %a; nop\n"   3

stmt: LEI4(reg,rc)  "cmp %%%0,%1; ble %a; nop\n"   3

stmt: LEU4(reg,rc)  "cmp %%%0,%1; bleu %a; nop\n"  3

stmt: LTI4(reg,rc)  "cmp %%%0,%1; bl %a; nop\n"    3

stmt: LTU4(reg,rc)  "cmp %%%0,%1; blu %a; nop\n"   3

stmt: NEI4(reg,rc)  "cmp %%%0,%1; bne %a; nop\n"   3

stmt: NEU4(reg,rc)  "cmp %%%0,%1; bne %a; nop\n"   3

call: ADDRGP4           "%a"

call: addr             "%0"

reg:  CALLF8(call)      "call %0; nop\n"                2

reg:  CALLF4(call)      "call %0; nop\n"                2

reg:  CALLI4(call)      "call %0; nop\n"                2

reg:  CALLP4(call)      "call %0; nop\n"                2

reg:  CALLU4(call)      "call %0; nop\n"                2

stmt: CALLV(call)       "call %0; nop\n"                2

stmt: CALLB(call,reg)   "call %0; st %%%1,[%%sp+64]; unimp %b&0xfff\n"  3

stmt: RETF8(reg)  "# ret\n"  1

stmt: RETF4(reg)  "# ret\n"  1

stmt: RETI4(reg)  "# ret\n"  1

stmt: RETU4(reg)  "# ret\n"  1

stmt: RETP4(reg)  "# ret\n"  1

stmt: ARGI4(reg)  "st %%%0,[%%sp+4*%c+68]\n"  1

stmt: ARGU4(reg)  "st %%%0,[%%sp+4*%c+68]\n"  1

stmt: ARGP4(reg)  "st %%%0,[%%sp+4*%c+68]\n"  1

stmt: ARGF4(reg)  "# ARGF4\n"  1

stmt: ARGF8(reg)  "# ARGF8\n"  1

reg: DIVI4(reg,rc)   "sra %%%0,31,%%g1; wr %%g0,%%g1,%%y; nop; nop; nop; sdiv %%%0,%1,%%%c\n"       6

reg: DIVU4(reg,rc)   "wr %%g0,%%g0,%%y; nop; nop; nop; udiv %%%0,%1,%%%c\n"       5

reg: MODI4(reg,rc)   "sra %%%0,31,%%g1; wr %%g0,%%g1,%%y; nop; nop; nop; sdiv %%%0,%1,%%g1\n; smul %%g1,%1,%%g1; sub %%%0,%%g1,%%%c\n"  8

reg: MODU4(reg,rc)   "wr %%g0,%%g0,%%y; nop; nop; nop; udiv %%%0,%1,%%g1\n; umul %%g1,%1,%%g1; sub %%%0,%%g1,%%%c\n"  7

reg: MULI4(rc,reg)   "smul %%%1,%0,%%%c\n"  1

reg: MULU4(rc,reg)   "umul %%%1,%0,%%%c\n"  1

reg: ADDF8(reg,reg)  "faddd %%f%0,%%f%1,%%f%c\n"  1

reg: ADDF4(reg,reg)  "fadds %%f%0,%%f%1,%%f%c\n"  1

reg: DIVF8(reg,reg)  "fdivd %%f%0,%%f%1,%%f%c\n"  1

reg: DIVF4(reg,reg)  "fdivs %%f%0,%%f%1,%%f%c\n"  1

reg: MULF8(reg,reg)  "fmuld %%f%0,%%f%1,%%f%c\n"  1

reg: MULF4(reg,reg)  "fmuls %%f%0,%%f%1,%%f%c\n"  1

reg: SUBF8(reg,reg)  "fsubd %%f%0,%%f%1,%%f%c\n"  1

reg: SUBF4(reg,reg)  "fsubs %%f%0,%%f%1,%%f%c\n"  1

reg: NEGF4(reg)   "fnegs %%f%0,%%f%c\n"  1

reg: LOADF4(reg)  "fmovs %%f%0,%%f%c\n"  1

reg: CVFF4(reg)   "fdtos %%f%0,%%f%c\n"  1

reg: CVFF8(reg)   "fstod %%f%0,%%f%c\n"  1

reg: CVFI4(reg)  "fstoi %%f%0,%%f0; st %%f0,[%%sp+64]; ld [%%sp+64],%%%c\n"  (a->syms[0]->u.c.v.i==4?3:LBURG_MAX)

reg: CVFI4(reg)  "fdtoi %%f%0,%%f0; st %%f0,[%%sp+64]; ld [%%sp+64],%%%c\n"  (a->syms[0]->u.c.v.i==8?3:LBURG_MAX)

reg: CVIF4(reg)  "st %%%0,[%%sp+64]; ld [%%sp+64],%%f%c; fitos %%f%c,%%f%c\n"  3

reg: CVIF8(reg)  "st %%%0,[%%sp+64]; ld [%%sp+64],%%f%c; fitod %%f%c,%%f%c\n"  3

rel: EQF8(reg,reg)  "fcmpd %%f%0,%%f%1; nop; fbe"

rel: EQF4(reg,reg)  "fcmps %%f%0,%%f%1; nop; fbe"

rel: GEF8(reg,reg)  "fcmpd %%f%0,%%f%1; nop; fbuge"

rel: GEF4(reg,reg)  "fcmps %%f%0,%%f%1; nop; fbuge"

rel: GTF8(reg,reg)  "fcmpd %%f%0,%%f%1; nop; fbug"

rel: GTF4(reg,reg)  "fcmps %%f%0,%%f%1; nop; fbug"

rel: LEF8(reg,reg)  "fcmpd %%f%0,%%f%1; nop; fbule"

rel: LEF4(reg,reg)  "fcmps %%f%0,%%f%1; nop; fbule"

rel: LTF8(reg,reg)  "fcmpd %%f%0,%%f%1; nop; fbul"

rel: LTF4(reg,reg)  "fcmps %%f%0,%%f%1; nop; fbul"

rel: NEF8(reg,reg)  "fcmpd %%f%0,%%f%1; nop; fbne"

rel: NEF4(reg,reg)  "fcmps %%f%0,%%f%1; nop; fbne"

stmt: rel  "%0 %a; nop\n"  4

reg:  LOADF8(reg)  "# LOADD\n"  2

reg:  NEGF8(reg)  "# NEGD\n"  2

stmt:  ASGNB(reg,INDIRB(reg))  "# ASGNB\n"

%%

static void progend(void){}

static void progbeg(int argc, char *argv[]) {

        int i;

        {

                union {

                        char c;

                        int i;

                } u;

                u.i = 0;

                u.c = 1;

                swap = ((int)(u.i == 1)) != IR->little_endian;

        }

        parseflags(argc, argv);

        for (i = 0; i < argc; i++)

                if (strcmp(argv[i], "-p") == 0 || strcmp(argv[i], "-pg") == 0)

                        pflag = 1;

        if (IR == &solarisIR)

                stabprefix = ".LL";

        else

                stabprefix = "L";

        for (i = 0; i < 8; i++) {

                greg[i +  0] = mkreg(stringf("g%d", i), i +  0, 1, IREG);

                greg[i +  8] = mkreg(stringf("o%d", i), i +  8, 1, IREG);

                greg[i + 16] = mkreg(stringf("l%d", i), i + 16, 1, IREG);

                greg[i + 24] = mkreg(stringf("i%d", i), i + 24, 1, IREG);

        }

        gregw = mkwildcard(greg);

        for (i = 0; i < 32; i++)

                freg[i]  = mkreg("%d", i, 1, FREG);

        for (i = 0; i < 31; i += 2)

                freg2[i] = mkreg("%d", i, 3, FREG);

        fregw = mkwildcard(freg);

        freg2w = mkwildcard(freg2);

        tmask[IREG] = 0x3fff3e00;

        vmask[IREG] = 0x3ff00000;

        tmask[FREG]  = ~(unsigned)0;

        vmask[FREG]  = 0;

}

static Symbol rmap(int opk) {

        switch (optype(opk)) {

        case I: case U: case P: case B:

                return gregw;

        case F:

                return opsize(opk) == 4 ? fregw : freg2w;

        default:

                return 0;

        }

}

static void target(Node p) {

        assert(p);

        switch (specific(p->op)) {

        case CNST+I: case CNST+U: case CNST+P:

                if (range(p, 0, 0) == 0) {

                        setreg(p, greg[0]);

                        p->x.registered = 1;

                }

                break;

        case CALL+B:

                assert(p->syms[1] && p->syms[1]->type && isfunc(p->syms[1]->type));

                p->syms[1] = intconst(freturn(p->syms[1]->type)->size);

                break;

        case CALL+F: setreg(p, opsize(p->op)==4?freg[0]:freg2[0]);     break;

        case CALL+I: case CALL+P: case CALL+U:

        case CALL+V: setreg(p, oreg[0]);      break;

        case RET+F:  rtarget(p, 0, opsize(p->op)==4?freg[0]:freg2[0]);  break;

        case RET+I: case RET+P: case RET+U:

                rtarget(p, 0, ireg[0]);

                p->kids[0]->x.registered = 1;

                break;

        case ARG+I: case ARG+P: case ARG+U:

                if (p->syms[RX]->u.c.v.i < 6) {

                        rtarget(p, 0, oreg[p->syms[RX]->u.c.v.i]);

                        p->op = LOAD+opkind(p->op);

                        setreg(p, oreg[p->syms[RX]->u.c.v.i]);

                }

                break;

        }

}

static void clobber(Node p) {

        assert(p);

        switch (specific(p->op)) {

        case CALL+B: case CALL+F: case CALL+I:

                spill(~(unsigned)3, FREG, p);

                break;

        case CALL+V:

                spill(oreg[0]->x.regnode->mask, IREG, p);

                spill(~(unsigned)3, FREG, p);

                break;

        case ARG+F:

                if (opsize(p->op) == 4 && p->syms[2]->u.c.v.i <= 6)

                        spill((1<<(p->syms[2]->u.c.v.i + 8)), IREG, p);

                else if (opsize(p->op) == 8 && p->syms[2]->u.c.v.i <= 5)

                        spill((3<<(p->syms[2]->u.c.v.i + 8))&0xff00, IREG, p);

                break;

        }

}

static int imm(Node p) {

        return range(p, -4096, 4091);

}

static void doarg(Node p) {

        assert(p && p->syms[0] && p->op != ARG+B);

        p->syms[RX] = intconst(mkactual(4,

                p->syms[0]->u.c.v.i)/4);

}

static void emit2(Node p) {

        switch (p->op) {

        case INDIR+F+sizeop(8):

                if (generic(p->kids[0]->op) != VREG) {

                        int dst = getregnum(p);

                        print("ld ["); emitasm(p->kids[0], _base_NT); print(  "],%%f%d; ", dst);

                        print("ld ["); emitasm(p->kids[0], _base_NT); print("+4],%%f%d\n", dst+1);

                }

                break;

        case ASGN+F+sizeop(8):

                if (generic(p->kids[0]->op) != VREG) {

                        int src = getregnum(p->kids[1]);

                        print("st %%f%d,[", src);   emitasm(p->kids[0], _base_NT); print("]; ");

                        print("st %%f%d,[", src+1); emitasm(p->kids[0], _base_NT); print("+4]\n");

                }

                break;

        case ARG+F+sizeop(4): {

                int n = p->syms[RX]->u.c.v.i;

                print("st %%f%d,[%%sp+4*%d+68]\n",

                        getregnum(p->x.kids[0]), n);

                if (n <= 5)

                        print("ld [%%sp+4*%d+68],%%o%d\n", n, n);

                break;

        }

        case ARG+F+sizeop(8): {

                int n = p->syms[RX]->u.c.v.i;

                int src = getregnum(p->x.kids[0]);

                print("st %%f%d,[%%sp+4*%d+68]\n", src, n);

                print("st %%f%d,[%%sp+4*%d+68]\n", src+1, n+1);

                if (n <= 5)

                        print("ld [%%sp+4*%d+68],%%o%d\n", n, n);

                if (n <= 4)

                        print("ld [%%sp+4*%d+68],%%o%d\n", n+1, n+1);

                break;

        }

        case LOAD+F+sizeop(8): {

                int dst = getregnum(p);

                int src = getregnum(p->x.kids[0]);

                print("fmovs %%f%d,%%f%d; ", src,   dst);

                print("fmovs %%f%d,%%f%d\n", src+1, dst+1);

                break;

        }

        case NEG+F+sizeop(8): {

                int dst = getregnum(p);

                int src = getregnum(p->x.kids[0]);

                print("fnegs %%f%d,%%f%d; ", src,   dst);

                print("fmovs %%f%d,%%f%d\n", src+1, dst+1);

                break;

        }

        case ASGN+B: {

                static int tmpregs[] = { 1, 2, 3 };

                dalign = salign = p->syms[1]->u.c.v.i;

                blkcopy(getregnum(p->x.kids[0]), 0,

                        getregnum(p->x.kids[1]), 0,

                        p->syms[0]->u.c.v.i, tmpregs);

                break;

        }

        }

}

static void local(Symbol p) {

        if (retstruct) {

                assert(p == retv);

                p->x.name = stringd(4*16);

                p->x.offset = 4*16;

                p->sclass = AUTO;

                retstruct = 0;

                return;

        }

        if (isscalar(p->type) && !p->addressed && !isfloat(p->type))

                p->sclass = REGISTER;

        if (askregvar(p, rmap(ttob(p->type))) == 0)

                mkauto(p);

        else if (p->scope > LOCAL)

                regvars++;

}

static void function(Symbol f, Symbol caller[], Symbol callee[], int ncalls) {

        int autos = 0, i, leaf, reg, varargs;

        if (IR == &solarisIR)

                globalend();

        regvars = 0;

        for (i = 0; callee[i]; i++)

                ;

        varargs = variadic(f->type)

                || i > 0 && strcmp(callee[i-1]->name,

                        "__builtin_va_alist") == 0;

        usedmask[0] = usedmask[1] = 0;

        freemask[0] = freemask[1] = ~(unsigned)0;

        for (i = 0; i < 8; i++)

                ireg[i]->x.regnode->vbl = NULL;

        offset = 68;

        maxargoffset = 24;

        reg = 0;

        for (i = 0; callee[i]; i++) {

                Symbol p = callee[i], q = caller[i];

                int size = roundup(q->type->size, 4);

                assert(q);

                if (isfloat(p->type) || reg >= 6) {

                        p->x.offset = q->x.offset = offset;

                        p->x.name = q->x.name = stringd(offset);

                        p->sclass = q->sclass = AUTO;

                        autos++;

                }

                else if (p->addressed || varargs) {

                        p->x.offset = offset;

                        p->x.name = stringd(p->x.offset);

                        p->sclass = AUTO;

                        q->sclass = REGISTER;

                        askregvar(q, ireg[reg]);

                        assert(q->x.regnode);

                        autos++;

                }

                else {

                        p->sclass = q->sclass = REGISTER;

                        askregvar(p, ireg[reg]);

                        assert(p->x.regnode);

                        q->x.name = p->x.name;

                }

                offset += size;

                reg += isstruct(p->type) ? 1 : size/4;

        }

        assert(caller[i] == 0);

        offset = maxoffset = 0;

        retstruct = isstruct(freturn(f->type));

        gencode(caller, callee);

        maxargoffset = roundup(maxargoffset, 4);

        framesize = roundup(maxoffset + maxargoffset + 4*(16+1), 8);

        assert(!varargs || autos);

        leaf = (!ncalls

                && !maxoffset && !autos && !regvars

                && !isstruct(freturn(f->type))

                && !(usedmask[IREG]&0x00ffff01)

                && !(usedmask[FREG]&~(unsigned)3)

                && !pflag && !glevel);

        print(".align 4\n%s:\n", f->x.name);

        if (leaf) {

                for (i = 0; caller[i] && callee[i]; i++) {

                        Symbol p = caller[i], q = callee[i];

                        if (p->sclass == REGISTER && q->sclass == REGISTER) {

                                assert(q->x.regnode);

                                assert(q->x.regnode->set == IREG);

                                assert(q->x.regnode->number >= 24);

                                assert(q->x.regnode->number <= 31);

                                p->x.name = greg[q->x.regnode->number - 16]->x.name;

                        }

                }

                renameregs();

        } else if (framesize <= 4095)

                print("save %%sp,%d,%%sp\n", -framesize);

        else

                print("set %d,%%g1; save %%sp,%%g1,%%sp\n", -framesize);

        if (varargs)

                for (; reg < 6; reg++)

                        print("st %%i%d,[%%fp+%d]\n", reg, 4*reg + 68);

        else {

                offset = 4*(16 + 1);

                reg = 0;

                for (i = 0; caller[i]; i++) {

                        Symbol p = caller[i];

                        if (isfloat(p->type) && p->type->size == 8 && reg <= 4) {

                                print("st %%r%d,[%%fp+%d]\n",

                                        ireg[reg++]->x.regnode->number, offset);

                                print("st %%r%d,[%%fp+%d]\n",

                                        ireg[reg++]->x.regnode->number, offset + 4);

                        } else if (isfloat(p->type) && p->type->size == 4 && reg <= 5)

                                print("st %%r%d,[%%fp+%d]\n",

                                        ireg[reg++]->x.regnode->number, offset);

                        else

                                reg++;

                        offset += roundup(p->type->size, 4);

                }

        }

        if (pflag) {

                int lab = genlabel(1);

                print("set L%d,%%o0; call mcount; nop\n", lab);

                print(".seg \"data\"\n.align 4; L%d:.word 0\n.seg \"text\"\n", lab);

        }

        emitcode();

        if (isstruct(freturn(f->type)))

                print("jmp %%i7+12; restore\n");

        else if (!leaf)

                print("ret; restore\n");

        else {

                renameregs();

                print("retl; nop\n");

        }

        if (IR == &solarisIR) {

                print(".type %s,#function\n", f->x.name);

                print(".size %s,.-%s\n", f->x.name, f->x.name);

        }

}

#define exch(x, y, t) (((t) = x), ((x) = (y)), ((y) = (t)))

static void renameregs(void) {

        int i;

        for (i = 0; i < 8; i++) {

                char *ptmp;

                int itmp;

                if (ireg[i]->x.regnode->vbl)

                        ireg[i]->x.regnode->vbl->x.name = oreg[i]->x.name;

                exch(ireg[i]->x.name, oreg[i]->x.name, ptmp);

                exch(ireg[i]->x.regnode->number,

                        oreg[i]->x.regnode->number, itmp);

        }

}

static void defconst(int suffix, int size, Value v) {

        if (suffix == F && size == 4) {

                float f = v.d;

                print(".word 0x%x\n", *(unsigned *)&f);

        } else if (suffix == F && size == 8) {

                double d = v.d;

                unsigned *p = (unsigned *)&d;

                print(".word 0x%x\n.word 0x%x\n", p[swap], p[!swap]);

        } else if (suffix == P)

                print(".word 0x%x\n", (unsigned)v.p);

        else if (size == 1)

                print(".byte 0x%x\n", (unsigned)((unsigned char)(suffix == I ? v.i : v.u)));

        else if (size == 2)

                print(".half 0x%x\n", (unsigned)((unsigned short)(suffix == I ? v.i : v.u)));

        else if (size == 4)

                print(".word 0x%x\n", (unsigned)(suffix == I ? v.i : v.u));

        else assert(0);

}

static void defaddress(Symbol p) {

        print(".word %s\n", p->x.name);

}

static void defstring(int n, char *str) {

        char *s;

        for (s = str; s < str + n; s++)

                print(".byte %d\n", (*s)&0377);

}

static void address(Symbol q, Symbol p, long n) {

        if (p->scope == GLOBAL || p->sclass == STATIC || p->sclass == EXTERN)

                q->x.name = stringf("%s%s%D", p->x.name, n >= 0 ? "+" : "", n);

        else {

                assert(n <= INT_MAX && n >= INT_MIN);

                q->x.offset = p->x.offset + n;

                q->x.name = stringd(q->x.offset);

        }

}

static void export(Symbol p) {

        print(".global %s\n", p->x.name);

}

static void import(Symbol p) {}

static void defsymbol(Symbol p) {

        if (p->scope >= LOCAL && p->sclass == STATIC)

                p->x.name = stringf("%d", genlabel(1));