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tokb.cpp
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tokb.cpp
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#define _TOKB_
#include "tok.h"
char badadr[] = "Bad outrm value in outaddress();";
char CXandDX[] = "CX and DX";
char ECXandEDX[] = "ECX and EDX";
char BXandFS[] = "BX and FS";
int divexpand = FALSE;
int optnumber = FALSE;
ITOK itok, itok2, ptok;
char *pbuf;
SINFO pstr;
LISTFLOAT *floatnum = NULL; //список float констант
unsigned int numfloatconst = 0;
unsigned int maxnumfloatconst;
#define STEPFLOATCONST 16
unsigned int ofsfloatlist = 0;
unsigned char idxregs[5] = {ESI, EDI, EBX, EDX, 255};
int expandvar();
int speedmul(unsigned long num, int razr);
int leamul32(unsigned long num, int reg, int razr);
void Float2reg32(int reg, int addop = 0, int reg1 = idxregs[0],
int reg2 = idxregs[1]);
void NegReg(int razr, int reg);
int RshiftReg(int razr, int reg, int sign);
void do_e_axmath2(int sign, int razr, int expand);
int MulReg(int reg, int razr);
void DivMod(int vop, int sign, int razr, int expand);
void DivNum2(unsigned long num, int razr, int sign);
void DivNum(unsigned long num, int razr, int sign);
void ClearDX(int razr, int sign);
void doalmath2(int sign);
void num2bits(ITOK *gtok, unsigned long num, int razr);
void reg2bits(ITOK *gtok, int razr);
void cwpointr(ITOK *wtok, char *&wbuf, SINFO *wstr, int *otok, int npointr,
int ureg);
int CheckAddOnly();
void optnumadd64(unsigned long long num, int r1, int r2, int vop);
void CallExternProc(const char *name);
void getinto_reg(int gtok, ITOK *gstok, char *&gbuf, SINFO *gstr, int razr,
int reg);
void intinstack(int addop);
extern void warningoptnum();
extern void segoperror();
extern void segbyteerror();
extern void regmathoperror();
extern void begmathoperror();
extern void negregerror();
extern void regbyteerror();
extern void begworderror();
extern void regshifterror();
extern void regmatherror();
extern void DevideZero();
extern void wordnotoper();
unsigned long long li[] = {0x1,
0x2,
0x4,
0x8,
0x10,
0x20,
0x40,
0x80,
0x100,
0x200,
0x400,
0x800,
0x1000,
0x2000,
0x4000,
0x8000,
0x10000,
0x20000,
0x40000,
0x80000,
0x100000,
0x200000,
0x400000,
0x800000,
0x1000000,
0x2000000,
0x4000000,
0x8000000,
0x10000000,
0x20000000,
0x40000000,
0x80000000,
0x100000000LL,
0x200000000LL,
0x400000000LL,
0x800000000LL,
0x1000000000LL,
0x2000000000LL,
0x4000000000LL,
0x8000000000LL,
0x10000000000LL,
0x20000000000LL,
0x40000000000LL,
0x80000000000LL,
0x100000000000LL,
0x200000000000LL,
0x400000000000LL,
0x800000000000LL,
0x1000000000000LL,
0x2000000000000LL,
0x4000000000000LL,
0x8000000000000LL,
0x10000000000000LL,
0x20000000000000LL,
0x40000000000000LL,
0x80000000000000LL,
0x100000000000000LL,
0x200000000000000LL,
0x400000000000000LL,
0x800000000000000LL,
0x1000000000000000LL,
0x2000000000000000LL,
0x4000000000000000LL,
0x8000000000000000LL};
unsigned long leanum[24] = {3, 5, 9, 15, 25, 27, 45, 81,
75, 125, 135, 225, 243, 405, 729, 375,
675, 1215, 2187, 625, 1125, 2025, 3645, 6561};
unsigned int numleamul[24][4] = {
{3, 0, 0, 0}, {5, 0, 0, 0}, {9, 0, 0, 0}, {3, 5, 0, 0}, {5, 5, 0, 0},
{3, 9, 0, 0}, {5, 9, 0, 0}, {9, 9, 0, 0}, {5, 5, 3, 0}, {5, 5, 5, 0},
{9, 5, 3, 0}, {9, 5, 5, 0}, {9, 9, 3, 0}, {9, 9, 5, 0}, {9, 9, 9, 0},
{5, 5, 5, 3}, {5, 5, 9, 3}, {9, 9, 5, 3}, {9, 9, 9, 3}, {5, 5, 5, 5},
{9, 5, 5, 5}, {9, 9, 5, 5}, {9, 9, 9, 5}, {9, 9, 9, 9}};
int RmEqualReg(int reg, int rm, int sib) {
int rm0;
int reg1 = -1, reg2 = -1;
rm0 = rm & 0x7;
if (sib == CODE16) {
switch (rm0) {
case 0:
reg1 = BX;
reg2 = SI;
break;
case 1:
reg1 = BX;
reg2 = DI;
break;
case 2:
reg1 = BP;
reg2 = SI;
break;
case 3:
reg1 = BP;
reg2 = DI;
break;
case 4:
reg1 = SI;
break;
case 5:
reg1 = DI;
break;
case 6:
if ((rm & 0xC0) != 0)
reg1 = BP;
break;
case 7:
reg1 = BX;
break;
}
} else {
if (rm0 == 4) {
reg1 = sib & 7;
reg2 = (sib >> 3) & 7;
if (reg1 == 5 && (rm & 0xc0) == 0)
reg1 = -1;
if (reg2 == 4)
reg2 = -1;
} else {
reg1 = rm0;
if (reg1 == 5 && (rm & 0xc0) == 0)
reg1 = -1;
}
}
if (reg == reg1 || reg == reg2)
return TRUE;
return FALSE;
}
void startmul(int razr) {
if (razr == r8)
outword(0xE08A); // mov ah,al
else {
op66(razr);
outword(0xD08B); // mov dx,ax
warningreg(regs[razr / 2 - 1][2]);
}
}
void lshiftmul(int num, int razr, int reg = AX) {
if (razr == r8) {
if (num == 1)
outword(0xC002); // add al,al
else {
if (chip == 0) {
op(0xB1); // mov cl,num
op(num);
outword(0xE0D2); // shl al,cl
warningreg(begs[1]);
} else {
outword(0xE0C0); // shl al,num
op(num);
}
}
} else {
if (num == 1) {
op66(razr);
op(1);
op(0xC0 + reg * 9); // add reg,reg
} else {
if (chip == 0) {
op(0xB1); // mov cl,num
op(num);
op(0xD3);
op(0xE0 + reg); // shl ax,cl
warningreg(begs[1]);
} else {
if (chip > 2 && optimizespeed && leamul32(li[num], reg, razr))
return;
op66(razr);
op(0xC1);
op(0xE0 + reg); // shl ax,num
op(num);
}
}
}
}
void submul(int razr) {
if (razr == r8)
outword(0xC42A); // sub al,ah
else {
op66(razr);
outword(0xC22B); // sub ax,dx
}
}
void addmul(int razr) {
if (razr == r8)
outword(0xC402); // add al,ah
else {
op66(razr);
outword(0xC203); // add ax,dx
}
}
int leamul32(unsigned long num, int reg, int razr) {
if (num == 0)
return FALSE;
int vop = 0, i = 8 * reg + 4;
switch (num) {
case 9:
vop += 0x40;
case 5:
vop += 0x40;
case 3:
vop += 0x40;
op66(razr);
op67(r32); // AX * n = LEA AX,[EAX*n+?EAX]
op(0x8d);
op(reg == BP ? i | rm_mod01 : i);
op(vop + 9 * reg);
if (reg == BP)
op(0);
return TRUE;
}
// if(chip>3&&chip<7)return FALSE; //избежать AGI для
// 486,p5,p5mmx
switch (num) {
case 2:
vop = reg;
break;
case 4:
vop = 0x85;
break;
case 8:
vop = 0xc5;
break;
default:
return FALSE;
}
op66(razr);
op67(r32); // AX * n = LEA AX,[EAX*n+?EAX]
op(0x8d);
if (vop != 0x85 && vop != 0xc5 && reg == BP)
i |= rm_mod01;
op(i);
op(vop + 8 * reg);
if (vop == 0x85 || vop == 0xc5)
outdword(0L);
else if (reg == BP)
op(0);
return TRUE;
}
int speedmul32(unsigned long num, int reg, int razr) {
int i;
for (i = 3; i < 24; i++) {
if (leanum[i] == num) {
leamul32(numleamul[i][0], reg, razr);
leamul32(numleamul[i][1], reg, razr);
leamul32(numleamul[i][2], reg, razr);
leamul32(numleamul[i][3], reg, razr);
return TRUE;
}
}
for (unsigned int j = 1; j < NUMNUM; j++) {
unsigned long v = li[j];
if ((v * 3) > num)
break;
for (i = 0; i < 15; i++) {
unsigned long lm = leanum[i] * v;
if (lm == num) {
leamul32(numleamul[i][0], reg, razr);
lshiftmul(j, razr, reg);
leamul32(numleamul[i][1], reg, razr);
leamul32(numleamul[i][2], reg, razr);
return TRUE;
}
}
}
if (reg == EAX)
return speedmul(num, r32);
return FALSE;
}
int speedmul(unsigned long num,
int razr) //поиск возможности замены умножения на
//сдвиги и сложения
{
int first, second;
for (unsigned int j = 1; j < NUMNUM; j++) {
unsigned long v = li[j];
if ((v - 1) > num)
break;
if ((num % (v - 1)) == 0) {
second = caselong(num / (v - 1));
if (second != NUMNUM) {
first = caselong(v);
if (first != 1) {
startmul(razr);
lshiftmul(first, razr);
submul(razr);
if (second != 0)
lshiftmul(second, razr);
setzeroflag = TRUE;
return TRUE;
}
}
}
if ((v + 1) > num)
break;
if ((num % (v + 1)) == 0) {
second = caselong(num / (v + 1));
if (second != NUMNUM) {
first = caselong(v);
startmul(razr);
lshiftmul(first, razr);
addmul(razr);
if (second != 0)
lshiftmul(second, razr);
setzeroflag = TRUE;
return TRUE;
}
}
if (num > 10) {
if ((v - 1) > (num - 1))
break;
if (((num - 1) % (v - 1)) == 0) {
second = caselong((num - 1) / (v - 1));
if (second != NUMNUM && second != 1) {
first = caselong(v);
if (first != 1) {
startmul(razr);
lshiftmul(first, razr);
submul(razr);
lshiftmul(second, razr);
addmul(razr);
setzeroflag = TRUE;
return TRUE;
}
}
}
if ((v + 1) > (num - 1))
break;
if (((num - 1) % (v + 1)) == 0) {
second = caselong((num - 1) / (v + 1));
if (second != NUMNUM) {
first = caselong(v);
startmul(razr);
lshiftmul(first, razr);
addmul(razr);
lshiftmul(second, razr);
addmul(razr);
setzeroflag = TRUE;
return TRUE;
}
}
if ((v - 1) > (num + 1))
break;
if (((num + 1) % (v - 1)) == 0) {
second = caselong((num + 1) / (v - 1));
if (second != NUMNUM) {
first = caselong(v);
if (first != 1) {
startmul(razr);
lshiftmul(first, razr);
submul(razr);
lshiftmul(second, razr);
submul(razr);
setzeroflag = TRUE;
return TRUE;
}
}
}
if ((v + 1) > (num + 1))
break;
if (((num + 1) % (v + 1)) == 0) {
second = caselong((num + 1) / (v + 1));
if (second != NUMNUM && second != 1) {
first = caselong(v);
startmul(razr);
lshiftmul(first, razr);
addmul(razr);
lshiftmul(second, razr);
submul(razr);
setzeroflag = TRUE;
return TRUE;
}
}
}
}
return FALSE;
}
void CheckRegForLea(int reg, int *idx, int *base, int *zoom, unsigned long *val,
unsigned int *rflag, ITOK *posttok) {
// printf("in:reg=%02X base=%02X idx=%02X
// zoom=%02X\n",reg,*base,*idx,*zoom);
for (;;) {
// printf("tok=%d flag=%08X %s\n",tok2,itok2.flag,itok2.name);
// printf("tok=%d tok2=%d %s\n",tok,tok2,itok2.name);
if ((tok == tk_plus || tok == tk_minus) &&
(tok2 == tk_minus ||
(tok2 == tk_number && itok2.rm != tk_float && itok2.rm != tk_double) ||
(tok2 == tk_postnumber && posttok->post == 0) ||
(tok == tk_plus && tok2 == tk_rmnumber &&
(itok2.flag & f_useidx) == 0))) {
goto con1;
}
if ((tok != tk_plus && (!(tok2 == tk_number && itok2.rm != tk_float &&
itok2.rm != tk_double))) ||
(tok2 != tk_reg32 && tok2 != tk_number) || tok2 == tk_rmnumber) {
break;
}
if (tok == tk_plus && tok2 == tk_reg32 &&
(itok2.number == reg || (*idx != -1 && *base != -1))) {
break;
}
if (tok == tk_mult &&
(tok2 != tk_number || *zoom != -1 || *val != 0 || *idx != -1))
break;
con1:
if (tok == tk_minus) {
if (tok2 == tk_postnumber ||
(tok2 == tk_number && (itok2.flag & f_reloc)))
break;
nexttok();
if (tok == tk_minus) {
if (tok2 != tk_number)
break;
nexttok();
*val += itok.number;
} else
*val -= itok.number;
if (tok == tk_number)
*rflag ^= itok.flag;
else
*posttok = itok;
} else if (tok == tk_plus) {
nexttok();
if (tok == tk_number) {
*val += itok.number;
*rflag ^= itok.flag;
} else if (tok == tk_postnumber) {
*val += itok.number;
*posttok = itok;
} else if (tok == tk_rmnumber) {
int r1, r2, z;
ExpandRm(itok.rm, itok.sib, &z, &r1, &r2);
if (z && *zoom > 0)
break;
if (r1 >= 0 && r2 >= 0 && (*idx >= 0 || *base >= 0))
break;
*val += itok.number;
if (*zoom <= 0)
*zoom = z;
if (*base == -1) {
if (r1 >= 0) {
*base = r1;
r1 = -1;
} else {
*base = r2;
r2 = -1;
}
}
if (*idx == -1) {
if (r1 >= 0)
*idx = r1;
else if (r2 >= 0)
*idx = r2;
}
} else {
if (*base == -1)
*base = itok.number;
else
*idx = itok.number;
}
} else if (tok == tk_mult) {
*zoom = 0;
switch (itok2.number) {
case 8:
*zoom = *zoom + 1;
case 4:
*zoom = *zoom + 1;
case 2:
*zoom = *zoom + 1;
case 1:
*idx = *base;
*base = -1;
break;
case 9:
*zoom = *zoom + 1;
case 5:
*zoom = *zoom + 1;
case 3:
*zoom = *zoom + 1;
*idx = *base;
break;
default:
*zoom = -1;
}
if (*zoom == -1)
break;
nexttok();
} else
break;
nexttok();
if (*base != -1 && *idx != -1 && tok2 != tk_number)
break;
}
if (*zoom == -1 && *base == -1) {
*base = *idx;
*idx = -1;
}
// printf("out:reg=%02X base=%02X idx=%02X
// zoom=%02X\n",reg,*base,*idx,*zoom);
}
int OutLea(int reg, int idx, int base, int zoom, unsigned long val,
unsigned int rflag, ITOK *posttok) {
int mod = rm_mod00;
int q;
if (zoom == -1)
zoom = 0;
if (val != 0) {
if (short_ok(val, TRUE) != 0)
mod = rm_mod01;
else
mod = rm_mod10;
}
if ((rflag & f_reloc) != 0 || posttok->post)
mod = rm_mod10;
if (idx == -1) {
idx = base;
base = -1;
}
if (base == -1) {
if (zoom == 0) {
op66(r32);
op67(r32);
op(0x8d);
if (idx == 5 && mod == rm_mod00)
mod = rm_mod01;
op((reg * 8 + idx) | mod);
if (idx == 4)
op(idx * 9);
} else {
if (idx == 4)
return FALSE;
mod = rm_mod10;
op66(r32);
op67(r32);
op(0x8d);
op(reg * 8 + 4);
op(idx * 8 + 5 + (zoom << 6));
}
} else {
if (idx == 4) {
if (base == -1) {
idx = -1;
base = 4;
} else if (zoom == 0) {
q = base;
base = idx;
idx = q;
} else
return FALSE;
}
if (base == 5 && mod == rm_mod00) {
if (idx != -1 && idx != 5) {
if (zoom == 0) {
q = base;
base = idx;
idx = q;
} else
mod = rm_mod01;
} else
mod = rm_mod01;
}
op66(r32);
op67(r32);
op(0x8d);
op((reg * 8 + 4) | mod); // sib
op((zoom << 6) + (idx << 3) + base);
}
if (mod == rm_mod01)
op(val);
else if (mod == rm_mod10) {
if (posttok->post)
setwordpost(posttok);
else if ((rflag & f_reloc) != 0)
AddReloc();
outdword(val);
} else if (mod == rm_mod00 && base == 5)
outdword(val);
return TRUE;
}
int Reg32ToLea2(int reg) //оптимизация сложения 32-битных регистров в LEA
{
int idx, base, zoom;
unsigned long val;
int otok, otok2, otype2;
unsigned char ocha, next;
unsigned int oinptr, rflag;
int oline;
ITOK oitok;
ITOK posttok;
if (tok != tk_minus && tok != tk_plus && tok != tk_mult)
return FALSE;
if (tok == tk_minus &&
(!((tok2 == tk_number && itok2.rm != tk_float && itok2.rm != tk_double) ||
tok2 == tk_postnumber)))
return FALSE;
if (tok == tk_mult &&
(!(tok2 == tk_number && itok2.rm != tk_float && itok2.rm != tk_double &&
(itok2.flag & f_reloc) == 0)))
return FALSE;
if (tok == tk_plus && tok2 != tk_reg32 && tok2 != tk_number &&
tok2 != tk_postnumber &&
(!(tok2 == tk_rmnumber && (itok2.flag & f_useidx) == 0)))
return FALSE;
if (cur_mod)
return FALSE;
posttok.post = 0;
idx = zoom = -1;
base = reg;
if (tok == tk_mult) {
zoom = 0;
switch (itok2.number) {
case 8:
zoom++;
case 4:
zoom++;
case 2:
zoom++;
case 1:
idx = reg;
base = -1;
break;
// new!
case 9:
zoom++;
case 5:
zoom++;
case 3:
// if(!(am32==FALSE&&tok!=tk_plus&&(!(tok2==tk_minus||tok2==tk_number)))){
if (am32) {
zoom++;
idx = base = reg;
break;
}
// end new!!
default:
return FALSE;
}
if (zoom == 0) {
zoom = -1;
base = reg;
idx = -1;
}
}
val = 0;
rflag = 0;
oinptr = inptr2;
ocha = cha2;
otok = tok;
oitok = itok;
otok2 = tok2;
otype2 = itok2.type;
oline = linenumber;
if (tok == tk_mult) {
nexttok();
nexttok();
}
CheckRegForLea(reg, &idx, &base, &zoom, &val, &rflag, &posttok);
next = 0;
if (idx == -1)
next = 1;
if (base == -1)
next |= 2;
if (zoom == -1)
next |= 4;
if (val == 0 && rflag == 0 && posttok.post == 0)
next |= 8;
// printf("next=%d\n",next);
switch (next) {
case 1: // idx=-1 Rb+N
if (base == ESP && val == 1)
goto retfalse;
case 4: // zoom=-1 Rb+Ri+N
if (val < 2 || val > 127)
goto retfalse;
break;
case 2: // base=-1 Ri*Z+N
if (zoom < 3) {
if (zoom == 2 && val > 2) {
if (val < 128)
goto retfalse;
break;
}
goto retfalse;
}
case 0:
case 8: // val=0 Rb+Ri*Z
break;
default:
// case 12: // val=0 zoom=-1 Rb+Ri
// case 10: // val=0 base=-1 Ri*Z
// case 13: // val=0 idx=-1 zoom=-1 Rb
// case 5: // idx=-1 zoom=-1 Rb+N
// case 3: // idx=-1 base=-1 N
// case 6: // base=-1 zoom=-1 Ri+N
// case 11: // val=0 base=-1 idx=-1 -
// case 9: // val=0 idx=-1 Rb
// case 14: // val=0 base=-1 zoom=-1 Ri
// case 7: // idx=-1 base=-1 zoom=-1 N
// case 15: // val=0 base=-1 idx=-1 zoom=-1
retfalse:
inptr2 = oinptr;
cha2 = ocha;
tok = otok;
itok = oitok;
tok2 = otok2;
itok2.type = (unsigned short)otype2;
if (bufrm) {
free(bufrm);
bufrm = NULL;
}
if (strinf.bufstr) {
free(strinf.bufstr);
strinf.bufstr = NULL;
}
endoffile = 0;
linenum2 = linenumber = oline;
return FALSE;
}
if (OutLea(reg, idx, base, zoom, val, rflag, &posttok) == FALSE)
goto retfalse;
ClearReg(reg);
// printf("%s (%u) Combination
//%d\n",(startfileinfo+currentfileinfo)->filename,linenumber,next);
return TRUE;
}
int RegEqualToLea(int reg) {
int idx, base, zoom;
unsigned long val;
int otok, otok2;
unsigned char ocha, next;
unsigned int oinptr, rflag;
ITOK oitok;
ITOK oitok2;
ITOK posttok;
if (cur_mod)
return FALSE;
oinptr = inptr2;
ocha = cha2;
otok = tok;
oitok = itok;
otok2 = tok2;
oitok2 = oitok;
base = idx = zoom = -1;
val = 0;
rflag = 0;
posttok.post = 0;
tok = tk_plus;
CheckRegForLea(reg, &idx, &base, &zoom, &val, &rflag, &posttok);
if (tok != tk_semicolon)
goto retfalse;
if (base == -1)
base = reg;
else if (idx == -1)
idx = reg;
else
goto retfalse;
next = 0;
if (idx == -1)
next = 1;
if (base == -1)
next |= 2;
if (zoom == -1)
next |= 4;
if (val == 0 && rflag == 0 && posttok.post == 0)
next |= 8;
// printf("base=%d idx=%d zoom=%d val=%d
// next=%d\n",base,idx,zoom,val,next);
if (val == 0 && rflag == 0 && posttok.post == 0)
next |= 8;
switch (next) {
case 5: // idx=-1 zoom=-1 Rb+N
if (reg == EAX && (val > 127 && val < 0xffffff80))
goto retfalse;
if (val < 3 || val > 0xfffffffd)
goto retfalse;
if (base == ESP)
goto retfalse;
break;
case 4: // zoom=-1 Rb+Ri+N
if (val == 1 || val == 0xffffffff)
goto retfalse;
break;
case 0:
case 8: // val=0 Rb+Ri*Z
break;
default:
// case 13: // val=0 idx=-1 zoom=-1 Rb
// case 3: // idx=-1 base=-1 N
// case 6: // base=-1 zoom=-1 Ri+N
// case 11: // val=0 base=-1 idx=-1 -
// case 9: // val=0 idx=-1 Rb
// case 14: // val=0 base=-1 zoom=-1 Ri
// case 7: // idx=-1 base=-1 zoom=-1 N
// case 15: // val=0 base=-1 idx=-1 zoom=-1
retfalse:
inptr2 = oinptr;
cha2 = ocha;
tok = otok;
itok = oitok;
tok2 = otok2;
itok2 = oitok2;
endoffile = 0;
if (bufrm) {
free(bufrm);
bufrm = NULL;
}
if (strinf.bufstr) {
free(strinf.bufstr);
strinf.bufstr = NULL;
}
// printf("return input=%08X inptr=%08X\n",input,inptr2);
return FALSE;
}
// printf("next=%d\n",next);
if (OutLea(reg, idx, base, zoom, val, rflag, &posttok) == FALSE)
goto retfalse;
return TRUE;
}
int Reg32ToLea(int reg) //оптимизация сложения 32-битных регистров в LEA
{
int idx, base, zoom;
unsigned long val;
int otok, otok2, otype2;
unsigned char ocha, next;
unsigned int oinptr, rflag;
int oline;
ITOK oitok;
ITOK posttok;
if (tok != tk_reg32 && tok != tk_number && tok != tk_postnumber &&
(!(tok == tk_rmnumber && (itok.flag & f_useidx) == 0)))
return FALSE;
if (cur_mod)
return FALSE;
posttok.post = 0;
idx = base = zoom = -1;
val = 0;
rflag = 0;
// printf("input=%08X inptr=%08X\n",input,inptr2);
oinptr = inptr2;
ocha = cha2;
otok = tok;
oitok = itok;
otok2 = tok2;
otype2 = itok2.type;
oline = linenumber;
// printf("tok=%d type=%d %s\n",tok,itok.type,itok.name);
if (tok == tk_number) {
if (itok.rm == tk_float || itok.rm == tk_double || itok.rm == tk_qword)
return FALSE;
val = doconstdwordmath();
rflag = postnumflag;
if ((rflag & f_reloc) && tok == tk_mult)
goto retfalse;
} else if (tok == tk_postnumber) {
posttok = itok;
tok = tk_number;
val = doconstdwordmath();
if (tok == tk_mult)
goto retfalse;
} else if (tok == tk_rmnumber) {
ExpandRm(itok.rm, itok.sib, &zoom, &base, &idx);
val = itok.number;
nexttok();
} else {
base = itok.number;
nexttok();
}
if (tok == tk_mult) {
nexttok();
if (base == -1 && tok == tk_reg32) {
if (itok.number == reg)
goto retfalse;
idx = itok.number;
} else if (base != -1 && tok == tk_number) {
if ((itok.flag & f_reloc) &&
(itok.rm == tk_float || itok.rm == tk_double || itok.rm == tk_qword))
goto retfalse;
idx = base;
base = -1;
val = itok.number;
} else
goto retfalse;
nexttok();
zoom = 0;
switch (val) {
case 8:
zoom++;
case 4:
zoom++;
case 2:
zoom++;
case 1:
break;
// new!
case 9:
zoom++;
case 5:
zoom++;
case 3:
// if(!(am32==FALSE&&tok!=tk_plus&&(!(tok2==tk_minus||tok2==tk_number)))){
if (am32 || ((tok == tk_plus || tok == tk_minus) &&
(tok2 == tk_number || tok2 == tk_minus))) {
zoom++;
base = idx;
break;
}
// end new!!
default:
goto retfalse;
}
if (zoom == 0) {
zoom = -1;
base = idx;
idx = -1;
}
val = 0;
}
CheckRegForLea(reg, &idx, &base, &zoom, &val, &rflag, &posttok);
next = 0;
if (idx == -1)
next = 1;
if (base == -1)
next |= 2;
if (zoom == -1)
next |= 4;
if (val == 0 && rflag == 0 && posttok.post == 0)
next |= 8;
switch (next) {