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iasm.c
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iasm.c
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/*
* Copyright (c) 1992-1999 by Symantec
* Copyright (c) 1999-2013 by Digital Mars
* All Rights Reserved
* http://www.digitalmars.com
* Written by Mike Cote, John Micco and Walter Bright
* D version by Walter Bright
*
* This source file is made available for personal use
* only. The license is in backendlicense.txt
* For any other uses, please contact Digital Mars.
*/
// Inline assembler for the D programming language compiler
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <assert.h>
#if __DMC__
#include <limits.h>
#endif
// D compiler
#include "mars.h"
#include "mtype.h"
#include "statement.h"
#include "id.h"
#include "declaration.h"
#include "scope.h"
#include "init.h"
#include "enum.h"
#include "module.h"
#include "target.h"
// C/C++ compiler
#define SCOPE_H 1 // avoid conflicts with D's Scope
#include "cc.h"
#include "token.h"
#include "global.h"
#include "el.h"
#include "type.h"
#include "oper.h"
#include "code.h"
#include "iasm.h"
#include "xmm.h"
//#define EXTRA_DEBUG 1
#undef ADDFWAIT
#define ADDFWAIT() 0
// Additional tokens for the inline assembler
enum ASMTK
{
ASMTKlocalsize = TOKMAX + 1,
ASMTKdword,
ASMTKeven,
ASMTKfar,
ASMTKnaked,
ASMTKnear,
ASMTKptr,
ASMTKqword,
ASMTKseg,
ASMTKword,
ASMTKmax = ASMTKword-(TOKMAX+1)+1
};
static const char *apszAsmtk[ASMTKmax] =
{
"__LOCAL_SIZE",
"dword",
"even",
"far",
"naked",
"near",
"ptr",
"qword",
"seg",
"word",
};
struct ASM_STATE
{
unsigned char ucItype; // Instruction type
#define ITprefix 0x10 // special prefix
#define ITjump 0x20 // jump instructions CALL, Jxx and LOOPxx
#define ITimmed 0x30 // value of an immediate operand controls
// code generation
#define ITopt 0x40 // not all operands are required
#define ITshift 0x50 // rotate and shift instructions
#define ITfloat 0x60 // floating point coprocessor instructions
#define ITdata 0x70 // DB, DW, DD, DQ, DT pseudo-ops
#define ITaddr 0x80 // DA (define addresss) pseudo-op
#define ITMASK 0xF0
#define ITSIZE 0x0F // mask for size
Loc loc;
bool bInit;
LabelDsymbol *psDollar;
Dsymbol *psLocalsize;
jmp_buf env;
bool bReturnax;
AsmStatement *statement;
Scope *sc;
};
ASM_STATE asmstate;
static Token *asmtok;
static TOK tok_value;
//char debuga = 1;
// From ptrntab.c
const char *asm_opstr(OP *pop);
OP *asm_op_lookup(const char *s);
void init_optab();
static unsigned char asm_TKlbra_seen = 0;
struct REG
{
char regstr[6];
unsigned char val;
opflag_t ty;
bool isSIL_DIL_BPL_SPL();
};
static REG regFp = { "ST", 0, _st };
static REG aregFp[] =
{
{ "ST(0)", 0, _sti },
{ "ST(1)", 1, _sti },
{ "ST(2)", 2, _sti },
{ "ST(3)", 3, _sti },
{ "ST(4)", 4, _sti },
{ "ST(5)", 5, _sti },
{ "ST(6)", 6, _sti },
{ "ST(7)", 7, _sti }
};
#define _AL 0
#define _AH 4
#define _AX 0
#define _EAX 0
#define _BL 3
#define _BH 7
#define _BX 3
#define _EBX 3
#define _CL 1
#define _CH 5
#define _CX 1
#define _ECX 1
#define _DL 2
#define _DH 6
#define _DX 2
#define _EDX 2
#define _BP 5
#define _EBP 5
#define _SP 4
#define _ESP 4
#define _DI 7
#define _EDI 7
#define _SI 6
#define _ESI 6
#define _ES 0
#define _CS 1
#define _SS 2
#define _DS 3
#define _GS 5
#define _FS 4
static REG regtab[] =
{
{"AL", _AL, _r8 | _al},
{"AH", _AH, _r8},
{"AX", _AX, _r16 | _ax},
{"EAX", _EAX, _r32 | _eax},
{"BL", _BL, _r8},
{"BH", _BH, _r8},
{"BX", _BX, _r16},
{"EBX", _EBX, _r32},
{"CL", _CL, _r8 | _cl},
{"CH", _CH, _r8},
{"CX", _CX, _r16},
{"ECX", _ECX, _r32},
{"DL", _DL, _r8},
{"DH", _DH, _r8},
{"DX", _DX, _r16 | _dx},
{"EDX", _EDX, _r32},
{"BP", _BP, _r16},
{"EBP", _EBP, _r32},
{"SP", _SP, _r16},
{"ESP", _ESP, _r32},
{"DI", _DI, _r16},
{"EDI", _EDI, _r32},
{"SI", _SI, _r16},
{"ESI", _ESI, _r32},
{"ES", _ES, _seg | _es},
{"CS", _CS, _seg | _cs},
{"SS", _SS, _seg | _ss },
{"DS", _DS, _seg | _ds},
{"GS", _GS, _seg | _gs},
{"FS", _FS, _seg | _fs},
{"CR0", 0, _special | _crn},
{"CR2", 2, _special | _crn},
{"CR3", 3, _special | _crn},
{"CR4", 4, _special | _crn},
{"DR0", 0, _special | _drn},
{"DR1", 1, _special | _drn},
{"DR2", 2, _special | _drn},
{"DR3", 3, _special | _drn},
{"DR4", 4, _special | _drn},
{"DR5", 5, _special | _drn},
{"DR6", 6, _special | _drn},
{"DR7", 7, _special | _drn},
{"TR3", 3, _special | _trn},
{"TR4", 4, _special | _trn},
{"TR5", 5, _special | _trn},
{"TR6", 6, _special | _trn},
{"TR7", 7, _special | _trn},
{"MM0", 0, _mm},
{"MM1", 1, _mm},
{"MM2", 2, _mm},
{"MM3", 3, _mm},
{"MM4", 4, _mm},
{"MM5", 5, _mm},
{"MM6", 6, _mm},
{"MM7", 7, _mm},
{"XMM0", 0, _xmm | _xmm0},
{"XMM1", 1, _xmm},
{"XMM2", 2, _xmm},
{"XMM3", 3, _xmm},
{"XMM4", 4, _xmm},
{"XMM5", 5, _xmm},
{"XMM6", 6, _xmm},
{"XMM7", 7, _xmm},
};
// 64 bit only registers
#define _RAX 0
#define _RBX 3
#define _RCX 1
#define _RDX 2
#define _RSI 6
#define _RDI 7
#define _RBP 5
#define _RSP 4
#define _R8 8
#define _R9 9
#define _R10 10
#define _R11 11
#define _R12 12
#define _R13 13
#define _R14 14
#define _R15 15
#define _R8D 8
#define _R9D 9
#define _R10D 10
#define _R11D 11
#define _R12D 12
#define _R13D 13
#define _R14D 14
#define _R15D 15
#define _R8W 8
#define _R9W 9
#define _R10W 10
#define _R11W 11
#define _R12W 12
#define _R13W 13
#define _R14W 13
#define _R15W 15
#define _SIL 6
#define _DIL 7
#define _BPL 5
#define _SPL 4
#define _R8B 8
#define _R9B 9
#define _R10B 10
#define _R11B 11
#define _R12B 12
#define _R13B 13
#define _R14B 14
#define _R15B 15
static REG regtab64[] =
{
{"RAX", _RAX, _r64 | _rax},
{"RBX", _RBX, _r64},
{"RCX", _RCX, _r64},
{"RDX", _RDX, _r64},
{"RSI", _RSI, _r64},
{"RDI", _RDI, _r64},
{"RBP", _RBP, _r64},
{"RSP", _RSP, _r64},
{"R8", _R8, _r64},
{"R9", _R9, _r64},
{"R10", _R10, _r64},
{"R11", _R11, _r64},
{"R12", _R12, _r64},
{"R13", _R13, _r64},
{"R14", _R14, _r64},
{"R15", _R15, _r64},
{"R8D", _R8D, _r32},
{"R9D", _R9D, _r32},
{"R10D", _R10D, _r32},
{"R11D", _R11D, _r32},
{"R12D", _R12D, _r32},
{"R13D", _R13D, _r32},
{"R14D", _R14D, _r32},
{"R15D", _R15D, _r32},
{"R8W", _R8W, _r16},
{"R9W", _R9W, _r16},
{"R10W", _R10W, _r16},
{"R11W", _R11W, _r16},
{"R12W", _R12W, _r16},
{"R13W", _R13W, _r16},
{"R14W", _R14W, _r16},
{"R15W", _R15W, _r16},
{"SIL", _SIL, _r8},
{"DIL", _DIL, _r8},
{"BPL", _BPL, _r8},
{"SPL", _SPL, _r8},
{"R8B", _R8B, _r8},
{"R9B", _R9B, _r8},
{"R10B", _R10B, _r8},
{"R11B", _R11B, _r8},
{"R12B", _R12B, _r8},
{"R13B", _R13B, _r8},
{"R14B", _R14B, _r8},
{"R15B", _R15B, _r8},
{"XMM8", 8, _xmm},
{"XMM9", 9, _xmm},
{"XMM10", 10, _xmm},
{"XMM11", 11, _xmm},
{"XMM12", 12, _xmm},
{"XMM13", 13, _xmm},
{"XMM14", 14, _xmm},
{"XMM15", 15, _xmm},
{"YMM0", 0, _ymm},
{"YMM1", 1, _ymm},
{"YMM2", 2, _ymm},
{"YMM3", 3, _ymm},
{"YMM4", 4, _ymm},
{"YMM5", 5, _ymm},
{"YMM6", 6, _ymm},
{"YMM7", 7, _ymm},
{"YMM8", 8, _ymm},
{"YMM9", 9, _ymm},
{"YMM10", 10, _ymm},
{"YMM11", 11, _ymm},
{"YMM12", 12, _ymm},
{"YMM13", 13, _ymm},
{"YMM14", 14, _ymm},
{"YMM15", 15, _ymm},
};
bool REG::isSIL_DIL_BPL_SPL()
{
// Be careful as these have the same val's as AH CH DH BH
return ty == _r8 &&
((val == _SIL && strcmp(regstr, "SIL") == 0) ||
(val == _DIL && strcmp(regstr, "DIL") == 0) ||
(val == _BPL && strcmp(regstr, "BPL") == 0) ||
(val == _SPL && strcmp(regstr, "SPL") == 0));
}
enum ASM_JUMPTYPE
{
ASM_JUMPTYPE_UNSPECIFIED,
ASM_JUMPTYPE_SHORT,
ASM_JUMPTYPE_NEAR,
ASM_JUMPTYPE_FAR
}; // ajt
struct OPND
{
REG *base; // if plain register
REG *pregDisp1; // if [register1]
REG *pregDisp2;
REG *segreg; // if segment override
bool bOffset; // if 'offset' keyword
bool bSeg; // if 'segment' keyword
bool bPtr; // if 'ptr' keyword
unsigned uchMultiplier; // register multiplier; valid values are 0,1,2,4,8
opflag_t usFlags;
Dsymbol *s;
targ_llong disp;
longdouble real;
Type *ptype;
ASM_JUMPTYPE ajt;
OPND()
{
memset(this, 0, sizeof(OPND));
}
};
//
// Exported functions called from the compiler
//
void iasm_term();
//
// Local functions defined and only used here
//
static OPND *asm_add_exp();
static OPND *asm_and_exp();
static OPND *asm_cond_exp();
static opflag_t asm_determine_operand_flags(OPND *popnd);
code *asm_genloc(Loc loc, code *c);
int asm_getnum();
static void asmerr(const char *, ...);
#if __DMC__
#pragma SC noreturn(asmerr)
#endif
static OPND *asm_equal_exp();
static OPND *asm_inc_or_exp();
static OPND *asm_log_and_exp();
static OPND *asm_log_or_exp();
static void asm_token();
static void asm_token_trans(Token *tok);
static bool asm_match_flags(opflag_t usOp , opflag_t usTable );
static bool asm_match_float_flags(opflag_t usOp, opflag_t usTable);
static void asm_make_modrm_byte(
#ifdef DEBUG
unsigned char *puchOpcode, unsigned *pusIdx,
#endif
code *pc,
unsigned usFlags,
OPND *popnd, OPND *popnd2);
static regm_t asm_modify_regs(PTRNTAB ptb, OPND *popnd1, OPND *popnd2);
#ifdef DEBUG
static void asm_output_flags(opflag_t usFlags);
static void asm_output_popnd(OPND *popnd);
#endif
static unsigned asm_type_size(Type * ptype);
static opflag_t asm_float_type_size(Type * ptype, opflag_t *pusFloat);
static OPND *asm_mul_exp();
static OPND *asm_br_exp();
static OPND *asm_primary_exp();
static OPND *asm_prim_post(OPND *);
static OPND *asm_rel_exp();
static OPND *asm_shift_exp();
static OPND *asm_una_exp();
static OPND *asm_xor_exp();
static void asm_chktok(TOK toknum, const char *msg);
static code *asm_db_parse(OP *pop);
static code *asm_da_parse(OP *pop);
/*******************************
*/
static void asm_chktok(TOK toknum, const char *msg)
{
if (tok_value == toknum)
asm_token(); // scan past token
else
{
/* When we run out of tokens, asmtok is NULL.
* But when this happens when a ';' was hit.
*/
asmerr(msg, asmtok ? asmtok->toChars() : ";");
}
}
/*******************************
*/
static PTRNTAB asm_classify(OP *pop, OPND *popnd1, OPND *popnd2,
OPND *popnd3, OPND *popnd4, unsigned *pusNumops)
{
unsigned usNumops;
unsigned usActual;
PTRNTAB ptbRet = { NULL };
opflag_t opflags1 = 0 ;
opflag_t opflags2 = 0;
opflag_t opflags3 = 0;
opflag_t opflags4 = 0;
bool bFake = false;
bool bInvalid64bit = false;
bool bMatch1, bMatch2, bMatch3, bMatch4, bRetry = false;
// How many arguments are there? the parser is strictly left to right
// so this should work.
if (!popnd1)
{
usNumops = 0;
}
else
{
popnd1->usFlags = opflags1 = asm_determine_operand_flags(popnd1);
if (!popnd2)
{
usNumops = 1;
}
else
{
popnd2->usFlags = opflags2 = asm_determine_operand_flags(popnd2);
if (!popnd3)
{
usNumops = 2;
}
else
{
popnd3->usFlags = opflags3 = asm_determine_operand_flags(popnd3);
if (!popnd4)
{
usNumops = 3;
}
else
{
popnd4->usFlags = opflags4 = asm_determine_operand_flags(popnd4);
usNumops = 4;
}
}
}
}
// Now check to insure that the number of operands is correct
usActual = (pop->usNumops & ITSIZE);
if (usActual != usNumops && asmstate.ucItype != ITopt &&
asmstate.ucItype != ITfloat)
{
PARAM_ERROR:
asmerr("%u operands found for %s instead of the expected %u", usNumops, asm_opstr(pop), usActual);
}
if (usActual < usNumops)
*pusNumops = usActual;
else
*pusNumops = usNumops;
//
// The number of arguments matches, now check to find the opcode
// in the associated opcode table
//
RETRY:
//printf("usActual = %d\n", usActual);
switch (usActual)
{
case 0:
if (global.params.is64bit && (pop->ptb.pptb0->usFlags & _i64_bit))
asmerr("opcode %s is unavailable in 64bit mode", asm_opstr(pop)); // illegal opcode in 64bit mode
if ((asmstate.ucItype == ITopt ||
asmstate.ucItype == ITfloat) &&
usNumops != 0)
goto PARAM_ERROR;
ptbRet = pop->ptb;
goto RETURN_IT;
case 1:
{
//printf("opflags1 = "); asm_output_flags(opflags1); printf("\n");
PTRNTAB1 *table1;
for (table1 = pop->ptb.pptb1; table1->usOpcode != ASM_END;
table1++)
{
//printf("table = "); asm_output_flags(table1->usOp1); printf("\n");
bMatch1 = asm_match_flags(opflags1, table1->usOp1);
//printf("bMatch1 = x%x\n", bMatch1);
if (bMatch1)
{
if (table1->usOpcode == 0x68 &&
table1->usOp1 == _imm16
)
// Don't match PUSH imm16 in 32 bit code
continue;
// Check if match is invalid in 64bit mode
if (global.params.is64bit && (table1->usFlags & _i64_bit))
{
bInvalid64bit = true;
continue;
}
break;
}
if ((asmstate.ucItype == ITimmed) &&
asm_match_flags(opflags1,
CONSTRUCT_FLAGS(_8 | _16 | _32, _imm, _normal,
0)) &&
popnd1->disp == table1->usFlags)
break;
if (asmstate.ucItype == ITopt ||
asmstate.ucItype == ITfloat)
{
switch (usNumops)
{
case 0:
if (!table1->usOp1)
goto Lfound1;
break;
case 1:
break;
default:
goto PARAM_ERROR;
}
}
}
Lfound1:
if (table1->usOpcode == ASM_END)
{
#ifdef DEBUG
if (debuga)
{
printf("\t%s\t", asm_opstr(pop));
if (popnd1)
asm_output_popnd(popnd1);
if (popnd2)
{
printf(",");
asm_output_popnd(popnd2);
}
if (popnd3)
{
printf(",");
asm_output_popnd(popnd3);
}
printf("\n");
printf("OPCODE mism = ");
if (popnd1)
asm_output_flags(popnd1->usFlags);
else
printf("NONE");
printf("\n");
}
#endif
TYPE_SIZE_ERROR:
if (popnd1 && ASM_GET_aopty(popnd1->usFlags) != _reg)
{
opflags1 = popnd1->usFlags |= _anysize;
if (asmstate.ucItype == ITjump)
{
if (bRetry && popnd1->s && !popnd1->s->isLabel())
{
asmerr("label expected", popnd1->s->toChars());
}
popnd1->usFlags |= CONSTRUCT_FLAGS(0, 0, 0,
_fanysize);
}
}
if (popnd2 && ASM_GET_aopty(popnd2->usFlags) != _reg)
{
opflags2 = popnd2->usFlags |= (_anysize);
if (asmstate.ucItype == ITjump)
popnd2->usFlags |= CONSTRUCT_FLAGS(0, 0, 0,
_fanysize);
}
if (popnd3 && ASM_GET_aopty(popnd3->usFlags) != _reg)
{
opflags3 = popnd3->usFlags |= (_anysize);
if (asmstate.ucItype == ITjump)
popnd3->usFlags |= CONSTRUCT_FLAGS(0, 0, 0,
_fanysize);
}
if (bRetry)
{
if(bInvalid64bit)
asmerr("operand for '%s' invalid in 64bit mode", asm_opstr(pop));
else
asmerr("bad type/size of operands '%s'", asm_opstr(pop));
}
bRetry = true;
goto RETRY;
}
ptbRet.pptb1 = table1;
goto RETURN_IT;
}
case 2:
{
//printf("opflags1 = "); asm_output_flags(opflags1); printf(" ");
//printf("opflags2 = "); asm_output_flags(opflags2); printf("\n");
PTRNTAB2 *table2;
for (table2 = pop->ptb.pptb2;
table2->usOpcode != ASM_END;
table2++)
{
//printf("table1 = "); asm_output_flags(table2->usOp1); printf(" ");
//printf("table2 = "); asm_output_flags(table2->usOp2); printf("\n");
if (global.params.is64bit && (table2->usFlags & _i64_bit))
asmerr("opcode %s is unavailable in 64bit mode", asm_opstr(pop));
bMatch1 = asm_match_flags(opflags1, table2->usOp1);
bMatch2 = asm_match_flags(opflags2, table2->usOp2);
//printf("match1 = %d, match2 = %d\n",bMatch1,bMatch2);
if (bMatch1 && bMatch2)
{
//printf("match\n");
/* If they both match and the first op in the table is not AL
* or size of 8 and the second is immediate 8,
* then check to see if the constant
* is a signed 8 bit constant. If so, then do not match, otherwise match
*/
if (!bRetry &&
!((ASM_GET_uSizemask(table2->usOp1) & _8) ||
(ASM_GET_uRegmask(table2->usOp1) & _al)) &&
(ASM_GET_aopty(table2->usOp2) == _imm) &&
(ASM_GET_uSizemask(table2->usOp2) & _8))
{
if (popnd2->disp <= SCHAR_MAX)
break;
else
bFake = true;
}
else
break;
}
if (asmstate.ucItype == ITopt ||
asmstate.ucItype == ITfloat)
{
switch (usNumops)
{
case 0:
if (!table2->usOp1)
goto Lfound2;
break;
case 1:
if (bMatch1 && !table2->usOp2)
goto Lfound2;
break;
case 2:
break;
default:
goto PARAM_ERROR;
}
}
#if 0
if (asmstate.ucItype == ITshift &&
!table2->usOp2 &&
bMatch1 && popnd2->disp == 1 &&
asm_match_flags(opflags2,
CONSTRUCT_FLAGS(_8|_16|_32, _imm,_normal,0))
)
break;
#endif
}
Lfound2:
if (table2->usOpcode == ASM_END)
{
#ifdef DEBUG
if (debuga)
{
printf("\t%s\t", asm_opstr(pop));
if (popnd1)
asm_output_popnd(popnd1);
if (popnd2)
{
printf(",");
asm_output_popnd(popnd2);
}
if (popnd3)
{
printf(",");
asm_output_popnd(popnd3);
}
printf("\n");
printf("OPCODE mismatch = ");
if (popnd1)
asm_output_flags(popnd1->usFlags);
else
printf("NONE");
printf( " Op2 = ");
if (popnd2)
asm_output_flags(popnd2->usFlags);
else
printf("NONE");
printf("\n");
}
#endif
goto TYPE_SIZE_ERROR;
}
ptbRet.pptb2 = table2;
goto RETURN_IT;
}
case 3:
{
PTRNTAB3 *table3;
for (table3 = pop->ptb.pptb3;
table3->usOpcode != ASM_END;
table3++)
{
bMatch1 = asm_match_flags(opflags1, table3->usOp1);
bMatch2 = asm_match_flags(opflags2, table3->usOp2);
bMatch3 = asm_match_flags(opflags3, table3->usOp3);
if (bMatch1 && bMatch2 && bMatch3)
goto Lfound3;
if (asmstate.ucItype == ITopt)
{
switch (usNumops)
{
case 0:
if (!table3->usOp1)
goto Lfound3;
break;
case 1:
if (bMatch1 && !table3->usOp2)
goto Lfound3;
break;
case 2:
if (bMatch1 && bMatch2 && !table3->usOp3)
goto Lfound3;
break;
case 3:
break;
default:
goto PARAM_ERROR;
}
}
}
Lfound3:
if (table3->usOpcode == ASM_END)
{
#ifdef DEBUG
if (debuga)
{
printf("\t%s\t", asm_opstr(pop));
if (popnd1)
asm_output_popnd(popnd1);
if (popnd2)
{
printf(",");
asm_output_popnd(popnd2);
}
if (popnd3)
{
printf(",");
asm_output_popnd(popnd3);
}
printf("\n");
printf("OPCODE mismatch = ");
if (popnd1)
asm_output_flags(popnd1->usFlags);
else
printf("NONE");
printf( " Op2 = ");
if (popnd2)
asm_output_flags(popnd2->usFlags);
else
printf("NONE");
if (popnd3)
asm_output_flags(popnd3->usFlags);
printf("\n");
}
#endif
goto TYPE_SIZE_ERROR;
}
ptbRet.pptb3 = table3;
goto RETURN_IT;
}
case 4:
{
PTRNTAB4 *table4;
for (table4 = pop->ptb.pptb4;
table4->usOpcode != ASM_END;
table4++)
{
bMatch1 = asm_match_flags(opflags1, table4->usOp1);
bMatch2 = asm_match_flags(opflags2, table4->usOp2);
bMatch3 = asm_match_flags(opflags3, table4->usOp3);
bMatch4 = asm_match_flags(opflags4, table4->usOp4);
if (bMatch1 && bMatch2 && bMatch3 && bMatch4)
goto Lfound4;
if (asmstate.ucItype == ITopt)
{
switch (usNumops)
{
case 0:
if (!table4->usOp1)
goto Lfound3;
break;
case 1:
if (bMatch1 && !table4->usOp2)
goto Lfound3;
break;
case 2:
if (bMatch1 && bMatch2 && !table4->usOp3)
goto Lfound3;
break;
case 3:
if (bMatch1 && bMatch2 && bMatch3 && !table4->usOp4)
goto Lfound3;
break;
case 4:
break;
default:
goto PARAM_ERROR;
}
}
}
Lfound4:
if (table4->usOpcode == ASM_END)
{
#ifdef DEBUG
if (debuga)
{
printf("\t%s\t", asm_opstr(pop));
if (popnd1)
asm_output_popnd(popnd1);
if (popnd2)
{
printf(",");
asm_output_popnd(popnd2);
}
if (popnd3)
{
printf(",");
asm_output_popnd(popnd3);
}
if (popnd4)
{
printf(",");
asm_output_popnd(popnd4);
}
printf("\n");
printf("OPCODE mismatch = ");
if (popnd1)
asm_output_flags(popnd1->usFlags);
else
printf("NONE");
printf( " Op2 = ");
if (popnd2)
asm_output_flags(popnd2->usFlags);
else
printf("NONE");
printf( " Op3 = ");
if (popnd3)
asm_output_flags(popnd3->usFlags);
else
printf("NONE");
printf( " Op4 = ");
if (popnd4)
asm_output_flags(popnd4->usFlags);
else
printf("NONE");
printf("\n");
}
#endif
goto TYPE_SIZE_ERROR;
}
ptbRet.pptb4 = table4;
goto RETURN_IT;
}
}
RETURN_IT:
if (bRetry && !bFake)
{
asmerr("bad type/size of operands '%s'", asm_opstr(pop));
}
return ptbRet;
}
/*******************************
*/
static opflag_t asm_determine_float_flags(OPND *popnd)
{
//printf("asm_determine_float_flags()\n");
opflag_t us, usFloat;
// Insure that if it is a register, that it is not a normal processor
// register.
if (popnd->base &&
!popnd->s && !popnd->disp && !popnd->real
&& !(popnd->base->ty & (_r8 | _r16 | _r32)))
{
return popnd->base->ty;
}
if (popnd->pregDisp1 && !popnd->base)
{
us = asm_float_type_size(popnd->ptype, &usFloat);