%{ #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(416); p->x.offset = 416; 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)); else assert(p->scope != CONSTANTS || isint(p->type) || isptr(p->type)), p->x.name = p->name; if (p->scope >= LABELS) p->x.name = stringf(p->generated ? “L%s” : “_%s”, p->x.name); } static void segment(int n) { cseg = n; switch (n) { case CODE: print(“.seg "text"\n”); break; case BSS: print(“.seg "bss"\n”); break; case DATA: print(“.seg "data"\n”); break; case LIT: print(“.seg "text"\n”); break; } } static void space(int n) { if (cseg != BSS) print(“.skip %d\n”, n); } static void global(Symbol p) { print(“.align %d\n”, p->type->align); assert(p->u.seg); if (p->u.seg == BSS && (p->sclass == STATIC || Aflag >= 2)) print(“.reserve %s,%d\n”, p->x.name, p->type->size); else if (p->u.seg == BSS) print(“.common %s,%d\n”, p->x.name, p->type->size); else print(“%s:\n”, p->x.name); } static void blkfetch(int k, int off, int reg, int tmp) { assert(k == 1 || k == 2 || k == 4); assert(salign >= k); if (k == 1) print(“ldub [%%r%d+%d],%%r%d\n”, reg, off, tmp); else if (k == 2) print(“lduh [%%r%d+%d],%%r%d\n”, reg, off, tmp); else print(“ld [%%r%d+%d],%%r%d\n”, reg, off, tmp); } static void blkstore(int k, int off, int reg, int tmp) { assert(k == 1 || k == 2 || k == 4); assert(dalign >= k); if (k == 1) print(“stb %%r%d,[%%r%d+%d]\n”, tmp, reg, off); else if (k == 2) print(“sth %%r%d,[%%r%d+%d]\n”, tmp, reg, off); else print(“st %%r%d,[%%r%d+%d]\n”, tmp, reg, off); } static void blkloop(int dreg, int doff, int sreg, int soff, int size, int tmps[]) { if ((size&~7) < 4096) { print(“add %%r%d,%d,%%r%d\n”, sreg, size&~7, sreg); print(“add %%r%d,%d,%%r%d\n”, dreg, size&~7, tmps[2]); } else { print(“set %d,%%r%d\n”, size&~7, tmps[2]); print(“add %%r%d,%%r%d,%%r%d\n”, sreg, tmps[2], sreg); print(“add %%r%d,%%r%d,%%r%d\n”, dreg, tmps[2], tmps[2]); } blkcopy(tmps[2], doff, sreg, soff, size&7, tmps); print(“1: dec 8,%%r%d\n”, tmps[2]); blkcopy(tmps[2], doff, sreg, soff - 8, 8, tmps); print("cmp %%r%d,%%r%d; ", tmps[2], dreg); print(“bgt 1b; “); print(“dec 8,%%r%d\n”, sreg); } static void defsymbol2(Symbol p) { if (p->scope >= LOCAL && p->sclass == STATIC) p->x.name = stringf(”.%d”, genlabel(1)); else assert(p->scope != CONSTANTS || isint(p->type) || isptr(p->type)), p->x.name = p->name; if (p->scope >= LABELS) p->x.name = stringf(p->generated ? “.L%s” : “%s”, p->x.name); }
static Symbol prevg;
static void globalend(void) { if (prevg && prevg->type->size > 0) print(“.size %s,%d\n”, prevg->x.name, prevg->type->size); prevg = NULL; }
static void export2(Symbol p) { globalend(); print(“.global %s\n”, p->x.name); }
static void progend2(void) { globalend(); }
static void global2(Symbol p) { globalend(); assert(p->u.seg); if (!p->generated) { print(“.type %s,#%s\n”, p->x.name, isfunc(p->type) ? “function” : “object”); if (p->type->size > 0) print(“.size %s,%d\n”, p->x.name, p->type->size); else prevg = p; } if (p->u.seg == BSS && p->sclass == STATIC) print(“.local %s\n.common %s,%d,%d\n”, p->x.name, p->x.name, p->type->size, p->type->align); else if (p->u.seg == BSS && Aflag >= 2) print(“.align %d\n%s:.skip %d\n”, p->type->align, p->x.name, p->type->size); else if (p->u.seg == BSS) print(“.common %s,%d,%d\n”, p->x.name, p->type->size, p->type->align); else print(“.align %d\n%s:\n”, p->type->align, p->x.name); }
static void segment2(int n) { cseg = n; switch (n) { case CODE: print(“.section ".text"\n”); break; case BSS: print(“.section ".bss"\n”); break; case DATA: print(“.section ".data"\n”); break; case LIT: print(“.section ".rodata"\n”); break; } } Interface sparcIR = { 1, 1, 0, /* char / 2, 2, 0, / short / 4, 4, 0, / int / 4, 4, 0, / long / 4, 4, 0, / long long / 4, 4, 1, / float / 8, 8, 1, / double / 8, 8, 1, / long double / 4, 4, 0, / T * / 0, 1, 0, / struct / 0, / little_endian / 0, / mulops_calls / 1, / wants_callb / 0, / wants_argb / 1, / left_to_right / 0, / wants_dag / 0, / unsigned_char / address, blockbeg, blockend, defaddress, defconst, defstring, defsymbol, emit, export, function, gen, global, import, local, progbeg, progend, segment, space, stabblock, 0, 0, stabinit, stabline, stabsym, stabtype, { 1, / max_unaligned_load */ rmap, blkfetch, blkstore, blkloop, _label, _rule, _nts, _kids, _string, _templates, _isinstruction, _ntname, emit2, doarg, target, clobber,
}
};
Interface solarisIR = { 1, 1, 0, /* char / 2, 2, 0, / short / 4, 4, 0, / int / 4, 4, 0, / long / 4, 4, 0, / long long / 4, 4, 1, / float / 8, 8, 1, / double / 8, 8, 1, / long double / 4, 4, 0, / T * / 0, 1, 0, / struct / 0, / little_endian / 0, / mulops_calls / 1, / wants_callb / 0, / wants_argb / 1, / left_to_right / 0, / wants_dag / 0, / unsigned_char / address, blockbeg, blockend, defaddress, defconst, defstring, defsymbol2, emit, export2, function, gen, global2, import, local, progbeg, progend2, segment2, space, stabblock, 0, 0, stabinit, stabline, stabsym, stabtype, { 1, / max_unaligned_load */ rmap, blkfetch, blkstore, blkloop, _label, _rule, _nts, _kids, _string, _templates, _isinstruction, _ntname, emit2, doarg, target, clobber,
}
}; static char rcsid[] = “$Id: sparc.md 355 2007-02-18 22:08:49Z drh $”;