Mostly cosmetic. Fixes to comments. Don't start as_bad and as_warn

messages with capital.  Don't malign Unixware, malign SysV386 instead.
This commit is contained in:
Alan Modra 2000-03-26 14:13:02 +00:00
parent 630376d212
commit d0b4722035
4 changed files with 124 additions and 100 deletions

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@ -1,3 +1,9 @@
2000-03-26 Alan Modra <alan@linuxcare.com>
* config/tc-i386.c: Don't start any as_bad or as_warn message with
an initial capital letter.
(i386_index_check): Reindent.
2000-03-19 Nick Clifton <nickc@cygnus.com>
* config/tc-arm.c (md_apply_fix3): Fix bug detectng overflow of pc

View File

@ -549,7 +549,7 @@ set_intel_syntax (syntax_flag)
else if (strcmp(string, "noprefix") == 0)
ask_naked_reg = -1;
else
as_bad (_("Bad argument to syntax directive."));
as_bad (_("bad argument to syntax directive."));
*input_line_pointer = e;
}
demand_empty_rest_of_line ();
@ -911,7 +911,7 @@ reloc (size, pcrel, other)
case 2: return BFD_RELOC_16_PCREL;
case 4: return BFD_RELOC_32_PCREL;
}
as_bad (_("Can not do %d byte pc-relative relocation"), size);
as_bad (_("can not do %d byte pc-relative relocation"), size);
}
else
{
@ -921,7 +921,7 @@ reloc (size, pcrel, other)
case 2: return BFD_RELOC_16;
case 4: return BFD_RELOC_32;
}
as_bad (_("Can not do %d byte relocation"), size);
as_bad (_("can not do %d byte relocation"), size);
}
return BFD_RELOC_NONE;
@ -1466,7 +1466,7 @@ md_assemble (line)
if (!intel_syntax
&& (i.types[0] & JumpAbsolute) != (t->operand_types[0] & JumpAbsolute))
{
as_warn (_("Indirect %s without `*'"), t->name);
as_warn (_("indirect %s without `*'"), t->name);
}
if ((t->opcode_modifier & (IsPrefix|IgnoreSize)) == (IsPrefix|IgnoreSize))
@ -1490,8 +1490,8 @@ md_assemble (line)
i.tm.operand_types[1] = t->operand_types[0];
}
/* Undo UNIXWARE_COMPAT brokenness when in Intel mode. See i386.h */
if (UNIXWARE_COMPAT
/* Undo SYSV386_COMPAT brokenness when in Intel mode. See i386.h */
if (SYSV386_COMPAT
&& intel_syntax
&& (i.tm.base_opcode & 0xfffffde0) == 0xdce0)
i.tm.base_opcode ^= FloatR;
@ -2496,7 +2496,7 @@ i386_immediate (imm_start)
if (i.imm_operands == MAX_IMMEDIATE_OPERANDS)
{
as_bad (_("Only 1 or 2 immediate operands are allowed"));
as_bad (_("only 1 or 2 immediate operands are allowed"));
return 0;
}
@ -2549,7 +2549,7 @@ i386_immediate (imm_start)
len = 3;
}
else
as_bad (_("Bad reloc specifier in expression"));
as_bad (_("bad reloc specifier in expression"));
/* Replace the relocation token with ' ', so that errors like
foo@GOTOFF1 will be detected. */
@ -2567,14 +2567,14 @@ i386_immediate (imm_start)
SKIP_WHITESPACE ();
if (*input_line_pointer)
as_bad (_("Ignoring junk `%s' after expression"), input_line_pointer);
as_bad (_("ignoring junk `%s' after expression"), input_line_pointer);
input_line_pointer = save_input_line_pointer;
if (exp->X_op == O_absent || exp->X_op == O_big)
{
/* missing or bad expr becomes absolute 0 */
as_bad (_("Missing or invalid immediate expression `%s' taken as 0"),
as_bad (_("missing or invalid immediate expression `%s' taken as 0"),
imm_start);
exp->X_op = O_constant;
exp->X_add_number = 0;
@ -2604,9 +2604,9 @@ i386_immediate (imm_start)
)
{
#ifdef BFD_ASSEMBLER
as_bad (_("Unimplemented segment %s in operand"), exp_seg->name);
as_bad (_("unimplemented segment %s in operand"), exp_seg->name);
#else
as_bad (_("Unimplemented segment type %d in operand"), exp_seg);
as_bad (_("unimplemented segment type %d in operand"), exp_seg);
#endif
return 0;
}
@ -2773,7 +2773,7 @@ i386_displacement (disp_start, disp_end)
len = 3;
}
else
as_bad (_("Bad reloc specifier in expression"));
as_bad (_("bad reloc specifier in expression"));
/* Replace the relocation token with ' ', so that errors like
foo@GOTOFF1 will be detected. */
@ -2807,7 +2807,7 @@ i386_displacement (disp_start, disp_end)
SKIP_WHITESPACE ();
if (*input_line_pointer)
as_bad (_("Ignoring junk `%s' after expression"),
as_bad (_("ignoring junk `%s' after expression"),
input_line_pointer);
#if GCC_ASM_O_HACK
RESTORE_END_STRING (disp_end + 1);
@ -2818,7 +2818,7 @@ i386_displacement (disp_start, disp_end)
if (exp->X_op == O_absent || exp->X_op == O_big)
{
/* missing or bad expr becomes absolute 0 */
as_bad (_("Missing or invalid displacement expression `%s' taken as 0"),
as_bad (_("missing or invalid displacement expression `%s' taken as 0"),
disp_start);
exp->X_op = O_constant;
exp->X_add_number = 0;
@ -2850,9 +2850,9 @@ i386_displacement (disp_start, disp_end)
&& exp_seg != undefined_section)
{
#ifdef BFD_ASSEMBLER
as_bad (_("Unimplemented segment %s in operand"), exp_seg->name);
as_bad (_("unimplemented segment %s in operand"), exp_seg->name);
#else
as_bad (_("Unimplemented segment type %d in operand"), exp_seg);
as_bad (_("unimplemented segment type %d in operand"), exp_seg);
#endif
return 0;
}
@ -3069,24 +3069,24 @@ i386_index_check (operand_string)
tryprefix:
#endif
if (flag_16bit_code ^ (i.prefix[ADDR_PREFIX] != 0) ?
if (flag_16bit_code ^ (i.prefix[ADDR_PREFIX] != 0)
/* 16 bit mode checks */
((i.base_reg
&& ((i.base_reg->reg_type & (Reg16|BaseIndex))
!= (Reg16|BaseIndex)))
|| (i.index_reg
&& (((i.index_reg->reg_type & (Reg16|BaseIndex))
!= (Reg16|BaseIndex))
|| ! (i.base_reg
&& i.base_reg->reg_num < 6
&& i.index_reg->reg_num >= 6
&& i.log2_scale_factor == 0)))) :
? ((i.base_reg
&& ((i.base_reg->reg_type & (Reg16|BaseIndex))
!= (Reg16|BaseIndex)))
|| (i.index_reg
&& (((i.index_reg->reg_type & (Reg16|BaseIndex))
!= (Reg16|BaseIndex))
|| ! (i.base_reg
&& i.base_reg->reg_num < 6
&& i.index_reg->reg_num >= 6
&& i.log2_scale_factor == 0))))
/* 32 bit mode checks */
((i.base_reg
&& (i.base_reg->reg_type & Reg32) == 0)
|| (i.index_reg
&& ((i.index_reg->reg_type & (Reg32|BaseIndex))
!= (Reg32|BaseIndex)))))
: ((i.base_reg
&& (i.base_reg->reg_type & Reg32) == 0)
|| (i.index_reg
&& ((i.index_reg->reg_type & (Reg32|BaseIndex))
!= (Reg32|BaseIndex)))))
{
#if INFER_ADDR_PREFIX
if (i.prefix[ADDR_PREFIX] == 0 && stackop_size != '\0')
@ -3445,7 +3445,7 @@ i386_operand (operand_string)
}
if (*op_string)
{
as_bad (_("Junk `%s' after register"), op_string);
as_bad (_("junk `%s' after register"), op_string);
return 0;
}
i.types[this_operand] |= r->reg_type & ~BaseIndex;
@ -3462,7 +3462,7 @@ i386_operand (operand_string)
++op_string;
if (i.types[this_operand] & JumpAbsolute)
{
as_bad (_("Immediate operand illegal with absolute jump"));
as_bad (_("immediate operand illegal with absolute jump"));
return 0;
}
if (!i386_immediate (op_string))
@ -4404,7 +4404,7 @@ tc_gen_reloc (section, fixp)
switch (fixp->fx_size)
{
default:
as_bad (_("Can not do %d byte pc-relative relocation"),
as_bad (_("can not do %d byte pc-relative relocation"),
fixp->fx_size);
code = BFD_RELOC_32_PCREL;
break;
@ -4418,7 +4418,7 @@ tc_gen_reloc (section, fixp)
switch (fixp->fx_size)
{
default:
as_bad (_("Can not do %d byte relocation"), fixp->fx_size);
as_bad (_("can not do %d byte relocation"), fixp->fx_size);
code = BFD_RELOC_32;
break;
case 1: code = BFD_RELOC_8; break;
@ -4453,7 +4453,7 @@ tc_gen_reloc (section, fixp)
if (rel->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
_("Cannot represent relocation type %s"),
_("cannot represent relocation type %s"),
bfd_get_reloc_code_name (code));
/* Set howto to a garbage value so that we can keep going. */
rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32);

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@ -1,3 +1,12 @@
2000-03-26 Alan Modra <alan@linuxcare.com>
* i386.h: (UNIXWARE_COMPAT): Rename to SYSV386_COMPAT as the
problem isn't really specific to Unixware.
(OLDGCC_COMPAT): Define.
(i386_optab): If !OLDGCC_COMPAT, don't handle fsubp etc. with
destination %st(0).
Fix lots of comments.
2000-03-02 J"orn Rennecke <amylaar@cygnus.co.uk>
* d30v.h:

View File

@ -17,11 +17,11 @@ You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* The UnixWare assembler, and probably other AT&T derived ix86 Unix
assemblers, generate floating point instructions with reversed
source and destination registers in certain cases. Unfortunately,
gcc and possibly many other programs use this reversed syntax, so
we're stuck with it.
/* The SystemV/386 SVR3.2 assembler, and probably all AT&T derived
ix86 Unix assemblers, generate floating point instructions with
reversed source and destination registers in certain cases.
Unfortunately, gcc and possibly many other programs use this
reversed syntax, so we're stuck with it.
eg. `fsub %st(3),%st' results in st = st - st(3) as expected, but
`fsub %st,%st(3)' results in st(3) = st - st(3), rather than
@ -33,13 +33,18 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
The affected opcode map is dceX, dcfX, deeX, defX. */
#ifndef UNIXWARE_COMPAT
#ifndef SYSV386_COMPAT
/* Set non-zero for broken, compatible instructions. Set to zero for
non-broken opcodes at your peril. gcc generates UnixWare
non-broken opcodes at your peril. gcc generates SystemV/386
compatible instructions. */
#define UNIXWARE_COMPAT 1
#define SYSV386_COMPAT 1
#endif
#ifndef OLDGCC_COMPAT
/* Set non-zero to cater for old (<= 2.8.1) versions of gcc that could
generate nonsense fsubp, fsubrp, fdivp and fdivrp with operands
reversed. */
#define OLDGCC_COMPAT SYSV386_COMPAT
#endif
static const template i386_optab[] = {
@ -65,7 +70,7 @@ static const template i386_optab[] = {
#define sl_FP (sl_Suf|IgnoreSize)
#define sld_FP (sld_Suf|IgnoreSize)
#define sldx_FP (sldx_Suf|IgnoreSize)
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
/* Someone forgot that the FloatR bit reverses the operation when not
equal to the FloatD bit. ie. Changing only FloatD results in the
destination being swapped *and* the direction being reversed. */
@ -74,7 +79,7 @@ static const template i386_optab[] = {
#define FloatDR (FloatD|FloatR)
#endif
/* move instructions */
/* Move instructions. */
#define MOV_AX_DISP32 0xa0
{ "mov", 2, 0xa0, X, bwl_Suf|D|W, { Disp16|Disp32, Acc, 0 } },
{ "mov", 2, 0x88, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0 } },
@ -87,12 +92,12 @@ static const template i386_optab[] = {
the implementation defined value is zero). */
{ "mov", 2, 0x8c, X, wl_Suf|Modrm, { SReg3|SReg2, WordReg|WordMem, 0 } },
{ "mov", 2, 0x8e, X, wl_Suf|Modrm|IgnoreSize, { WordReg|WordMem, SReg3|SReg2, 0 } },
/* move to/from control debug registers */
/* Move to/from control debug registers. */
{ "mov", 2, 0x0f20, X, l_Suf|D|Modrm|IgnoreSize, { Control, Reg32|InvMem, 0} },
{ "mov", 2, 0x0f21, X, l_Suf|D|Modrm|IgnoreSize, { Debug, Reg32|InvMem, 0} },
{ "mov", 2, 0x0f24, X, l_Suf|D|Modrm|IgnoreSize, { Test, Reg32|InvMem, 0} },
/* move with sign extend */
/* Move with sign extend. */
/* "movsbl" & "movsbw" must not be unified into "movsb" to avoid
conflict with the "movs" string move instruction. */
{"movsbl", 2, 0x0fbe, X, NoSuf|Modrm, { Reg8|ByteMem, Reg32, 0} },
@ -102,40 +107,38 @@ static const template i386_optab[] = {
{"movsx", 2, 0x0fbf, X, w_Suf|Modrm|IgnoreSize, { Reg16|ShortMem, Reg32, 0} },
{"movsx", 2, 0x0fbe, X, b_Suf|Modrm, { Reg8|ByteMem, WordReg, 0} },
/* move with zero extend */
/* Move with zero extend. */
{"movzb", 2, 0x0fb6, X, wl_Suf|Modrm, { Reg8|ByteMem, WordReg, 0} },
{"movzwl", 2, 0x0fb7, X, NoSuf|Modrm, { Reg16|ShortMem, Reg32, 0} },
/* Intel Syntax */
{"movzx", 2, 0x0fb7, X, w_Suf|Modrm|IgnoreSize, { Reg16|ShortMem, Reg32, 0} },
{"movzx", 2, 0x0fb6, X, b_Suf|Modrm, { Reg8|ByteMem, WordReg, 0} },
/* push instructions */
/* Push instructions. */
{"push", 1, 0x50, X, wl_Suf|ShortForm|DefaultSize, { WordReg, 0, 0 } },
{"push", 1, 0xff, 6, wl_Suf|Modrm|DefaultSize, { WordReg|WordMem, 0, 0 } },
{"push", 1, 0x6a, X, wl_Suf|DefaultSize, { Imm8S, 0, 0} },
{"push", 1, 0x68, X, wl_Suf|DefaultSize, { Imm16|Imm32, 0, 0} },
{"push", 1, 0x06, X, wl_Suf|Seg2ShortForm|DefaultSize, { SReg2, 0, 0 } },
{"push", 1, 0x0fa0, X, wl_Suf|Seg3ShortForm|DefaultSize, { SReg3, 0, 0 } },
/* push all */
{"pusha", 0, 0x60, X, wl_Suf|DefaultSize, { 0, 0, 0 } },
/* pop instructions */
/* Pop instructions. */
{"pop", 1, 0x58, X, wl_Suf|ShortForm|DefaultSize, { WordReg, 0, 0 } },
{"pop", 1, 0x8f, 0, wl_Suf|Modrm|DefaultSize, { WordReg|WordMem, 0, 0 } },
#define POP_SEG_SHORT 0x07
{"pop", 1, 0x07, X, wl_Suf|Seg2ShortForm|DefaultSize, { SReg2, 0, 0 } },
{"pop", 1, 0x0fa1, X, wl_Suf|Seg3ShortForm|DefaultSize, { SReg3, 0, 0 } },
/* pop all */
{"popa", 0, 0x61, X, wl_Suf|DefaultSize, { 0, 0, 0 } },
/* xchg exchange instructions
xchg commutes: we allow both operand orders */
/* Exchange instructions.
xchg commutes: we allow both operand orders. */
{"xchg", 2, 0x90, X, wl_Suf|ShortForm, { WordReg, Acc, 0 } },
{"xchg", 2, 0x90, X, wl_Suf|ShortForm, { Acc, WordReg, 0 } },
{"xchg", 2, 0x86, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } },
{"xchg", 2, 0x86, X, bwl_Suf|W|Modrm, { Reg|AnyMem, Reg, 0 } },
/* in/out from ports */
/* In/out from ports. */
{"in", 2, 0xe4, X, bwl_Suf|W, { Imm8, Acc, 0 } },
{"in", 2, 0xec, X, bwl_Suf|W, { InOutPortReg, Acc, 0 } },
{"in", 1, 0xe4, X, bwl_Suf|W, { Imm8, 0, 0 } },
@ -145,17 +148,17 @@ static const template i386_optab[] = {
{"out", 1, 0xe6, X, bwl_Suf|W, { Imm8, 0, 0 } },
{"out", 1, 0xee, X, bwl_Suf|W, { InOutPortReg, 0, 0 } },
/* load effective address */
/* Load effective address. */
{"lea", 2, 0x8d, X, wl_Suf|Modrm, { WordMem, WordReg, 0 } },
/* load segment registers from memory */
/* Load segment registers from memory. */
{"lds", 2, 0xc5, X, wl_Suf|Modrm, { WordMem, WordReg, 0} },
{"les", 2, 0xc4, X, wl_Suf|Modrm, { WordMem, WordReg, 0} },
{"lfs", 2, 0x0fb4, X, wl_Suf|Modrm, { WordMem, WordReg, 0} },
{"lgs", 2, 0x0fb5, X, wl_Suf|Modrm, { WordMem, WordReg, 0} },
{"lss", 2, 0x0fb2, X, wl_Suf|Modrm, { WordMem, WordReg, 0} },
/* flags register instructions */
/* Flags register instructions. */
{"clc", 0, 0xf8, X, NoSuf, { 0, 0, 0} },
{"cld", 0, 0xfc, X, NoSuf, { 0, 0, 0} },
{"cli", 0, 0xfa, X, NoSuf, { 0, 0, 0} },
@ -169,7 +172,7 @@ static const template i386_optab[] = {
{"std", 0, 0xfd, X, NoSuf, { 0, 0, 0} },
{"sti", 0, 0xfb, X, NoSuf, { 0, 0, 0} },
/* arithmetic */
/* Arithmetic. */
{"add", 2, 0x00, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} },
{"add", 2, 0x83, 0, wl_Suf|Modrm, { Imm8S, WordReg|WordMem, 0} },
{"add", 2, 0x04, X, bwl_Suf|W, { Imm, Acc, 0} },
@ -216,7 +219,7 @@ static const template i386_optab[] = {
{"xor", 2, 0x34, X, bwl_Suf|W, { Imm, Acc, 0} },
{"xor", 2, 0x80, 6, bwl_Suf|W|Modrm, { Imm, Reg|AnyMem, 0} },
/* iclr with 1 operand is really xor with 2 operands. */
/* iclr with 1 operand is really xor with 2 operands. */
{"clr", 1, 0x30, X, bwl_Suf|W|Modrm|regKludge, { Reg, 0, 0 } },
{"adc", 2, 0x10, X, bwl_Suf|D|W|Modrm, { Reg, Reg|AnyMem, 0} },
@ -236,13 +239,13 @@ static const template i386_optab[] = {
{"aam", 0, 0xd40a, X, NoSuf, { 0, 0, 0} },
{"aam", 1, 0xd4, X, NoSuf, { Imm8S, 0, 0} },
/* conversion insns */
/* conversion: intel naming */
/* Conversion insns. */
/* Intel naming */
{"cbw", 0, 0x98, X, NoSuf|Size16, { 0, 0, 0} },
{"cwde", 0, 0x98, X, NoSuf|Size32, { 0, 0, 0} },
{"cwd", 0, 0x99, X, NoSuf|Size16, { 0, 0, 0} },
{"cdq", 0, 0x99, X, NoSuf|Size32, { 0, 0, 0} },
/* att naming */
/* AT&T naming */
{"cbtw", 0, 0x98, X, NoSuf|Size16, { 0, 0, 0} },
{"cwtl", 0, 0x98, X, NoSuf|Size32, { 0, 0, 0} },
{"cwtd", 0, 0x99, X, NoSuf|Size16, { 0, 0, 0} },
@ -315,7 +318,7 @@ static const template i386_optab[] = {
{"sar", 2, 0xd2, 7, bwl_Suf|W|Modrm, { ShiftCount, Reg|AnyMem, 0} },
{"sar", 1, 0xd0, 7, bwl_Suf|W|Modrm, { Reg|AnyMem, 0, 0} },
/* control transfer instructions */
/* Control transfer instructions. */
{"call", 1, 0xe8, X, wl_Suf|JumpDword|DefaultSize, { Disp16|Disp32, 0, 0} },
{"call", 1, 0xff, 2, wl_Suf|Modrm|DefaultSize, { WordReg|WordMem|JumpAbsolute, 0, 0} },
/* Intel Syntax */
@ -342,7 +345,7 @@ static const template i386_optab[] = {
{"enter", 2, 0xc8, X, wl_Suf|DefaultSize, { Imm16, Imm8, 0} },
{"leave", 0, 0xc9, X, wl_Suf|DefaultSize, { 0, 0, 0} },
/* conditional jumps */
/* Conditional jumps. */
{"jo", 1, 0x70, X, NoSuf|Jump, { Disp, 0, 0} },
{"jno", 1, 0x71, X, NoSuf|Jump, { Disp, 0, 0} },
{"jb", 1, 0x72, X, NoSuf|Jump, { Disp, 0, 0} },
@ -388,7 +391,7 @@ static const template i386_optab[] = {
{"loopnz", 1, 0xe0, X, wl_Suf|JumpByte, { Disp, 0, 0} },
{"loopne", 1, 0xe0, X, wl_Suf|JumpByte, { Disp, 0, 0} },
/* set byte on flag instructions */
/* Set byte on flag instructions. */
{"seto", 1, 0x0f90, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} },
{"setno", 1, 0x0f91, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} },
{"setb", 1, 0x0f92, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} },
@ -420,7 +423,7 @@ static const template i386_optab[] = {
{"setnle", 1, 0x0f9f, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} },
{"setg", 1, 0x0f9f, 0, b_Suf|Modrm, { Reg8|ByteMem, 0, 0} },
/* string manipulation */
/* String manipulation. */
{"cmps", 0, 0xa6, X, bwld_Suf|W|IsString, { 0, 0, 0} },
{"cmps", 2, 0xa6, X, bwld_Suf|W|IsString, { AnyMem|EsSeg, AnyMem, 0} },
{"scmp", 0, 0xa6, X, bwld_Suf|W|IsString, { 0, 0, 0} },
@ -454,7 +457,7 @@ static const template i386_optab[] = {
{"xlat", 0, 0xd7, X, b_Suf|IsString, { 0, 0, 0} },
{"xlat", 1, 0xd7, X, b_Suf|IsString, { AnyMem, 0, 0} },
/* bit manipulation */
/* Bit manipulation. */
{"bsf", 2, 0x0fbc, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} },
{"bsr", 2, 0x0fbd, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} },
{"bt", 2, 0x0fa3, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} },
@ -466,25 +469,25 @@ static const template i386_optab[] = {
{"bts", 2, 0x0fab, X, wl_Suf|Modrm, { WordReg, WordReg|WordMem, 0} },
{"bts", 2, 0x0fba, 5, wl_Suf|Modrm, { Imm8, WordReg|WordMem, 0} },
/* interrupts & op. sys insns */
/* Interrupts & op. sys insns. */
/* See gas/config/tc-i386.c for conversion of 'int $3' into the special
int 3 insn. */
int 3 insn. */
#define INT_OPCODE 0xcd
#define INT3_OPCODE 0xcc
{"int", 1, 0xcd, X, NoSuf, { Imm8, 0, 0} },
{"int3", 0, 0xcc, X, NoSuf, { 0, 0, 0} },
{"into", 0, 0xce, X, NoSuf, { 0, 0, 0} },
{"iret", 0, 0xcf, X, wl_Suf, { 0, 0, 0} },
/* i386sl, i486sl, later 486, and Pentium */
/* i386sl, i486sl, later 486, and Pentium. */
{"rsm", 0, 0x0faa, X, NoSuf, { 0, 0, 0} },
{"bound", 2, 0x62, X, wl_Suf|Modrm, { WordReg, WordMem, 0} },
{"hlt", 0, 0xf4, X, NoSuf, { 0, 0, 0} },
/* nop is actually 'xchgl %eax, %eax' */
/* nop is actually 'xchgl %eax, %eax'. */
{"nop", 0, 0x90, X, NoSuf, { 0, 0, 0} },
/* protection control */
/* Protection control. */
{"arpl", 2, 0x63, X, w_Suf|Modrm|IgnoreSize,{ Reg16, Reg16|ShortMem, 0} },
{"lar", 2, 0x0f02, X, wl_Suf|Modrm, { WordReg|WordMem, WordReg, 0} },
{"lgdt", 1, 0x0f01, 2, wl_Suf|Modrm, { WordMem, 0, 0} },
@ -503,7 +506,7 @@ static const template i386_optab[] = {
{"verr", 1, 0x0f00, 4, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} },
{"verw", 1, 0x0f00, 5, w_Suf|Modrm|IgnoreSize,{ Reg16|ShortMem, 0, 0} },
/* floating point instructions */
/* Floating point instructions. */
/* load */
{"fld", 1, 0xd9c0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* register */
@ -582,7 +585,7 @@ static const template i386_optab[] = {
/* add */
{"fadd", 2, 0xd8c0, X, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} },
{"fadd", 1, 0xd8c0, X, FP|ShortForm, { FloatReg, 0, 0} }, /* alias for fadd %st(i), %st */
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fadd", 0, 0xdec1, X, FP|Ugh, { 0, 0, 0} }, /* alias for faddp */
#endif
{"fadd", 1, 0xd8, 0, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} },
@ -596,17 +599,19 @@ static const template i386_optab[] = {
/* subtract */
{"fsub", 2, 0xd8e0, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fsub", 1, 0xd8e0, X, FP|ShortForm, { FloatReg, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fsub", 0, 0xdee1, X, FP|Ugh, { 0, 0, 0} }, /* alias for fsubp */
#endif
{"fsub", 1, 0xd8, 4, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} },
{"fisub", 1, 0xde, 4, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fsubp", 2, 0xdee0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fsubp", 1, 0xdee0, X, FP|ShortForm, { FloatReg, 0, 0} },
{"fsubp", 0, 0xdee1, X, FP, { 0, 0, 0} },
#if OLDGCC_COMPAT
{"fsubp", 2, 0xdee0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} },
#endif
#else
{"fsubp", 2, 0xdee8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fsubp", 1, 0xdee8, X, FP|ShortForm, { FloatReg, 0, 0} },
@ -616,17 +621,19 @@ static const template i386_optab[] = {
/* subtract reverse */
{"fsubr", 2, 0xd8e8, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fsubr", 1, 0xd8e8, X, FP|ShortForm, { FloatReg, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fsubr", 0, 0xdee9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fsubrp */
#endif
{"fsubr", 1, 0xd8, 5, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} },
{"fisubr", 1, 0xde, 5, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fsubrp", 2, 0xdee8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fsubrp", 1, 0xdee8, X, FP|ShortForm, { FloatReg, 0, 0} },
{"fsubrp", 0, 0xdee9, X, FP, { 0, 0, 0} },
#if OLDGCC_COMPAT
{"fsubrp", 2, 0xdee8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} },
#endif
#else
{"fsubrp", 2, 0xdee0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fsubrp", 1, 0xdee0, X, FP|ShortForm, { FloatReg, 0, 0} },
@ -636,7 +643,7 @@ static const template i386_optab[] = {
/* multiply */
{"fmul", 2, 0xd8c8, X, FP|ShortForm|FloatD, { FloatReg, FloatAcc, 0} },
{"fmul", 1, 0xd8c8, X, FP|ShortForm, { FloatReg, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fmul", 0, 0xdec9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fmulp */
#endif
{"fmul", 1, 0xd8, 1, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} },
@ -650,17 +657,19 @@ static const template i386_optab[] = {
/* divide */
{"fdiv", 2, 0xd8f0, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fdiv", 1, 0xd8f0, X, FP|ShortForm, { FloatReg, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fdiv", 0, 0xdef1, X, FP|Ugh, { 0, 0, 0} }, /* alias for fdivp */
#endif
{"fdiv", 1, 0xd8, 6, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} },
{"fidiv", 1, 0xde, 6, sld_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fdivp", 2, 0xdef0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fdivp", 1, 0xdef0, X, FP|ShortForm, { FloatReg, 0, 0} },
{"fdivp", 0, 0xdef1, X, FP, { 0, 0, 0} },
#if OLDGCC_COMPAT
{"fdivp", 2, 0xdef0, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} },
#endif
#else
{"fdivp", 2, 0xdef8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fdivp", 1, 0xdef8, X, FP|ShortForm, { FloatReg, 0, 0} },
@ -670,17 +679,19 @@ static const template i386_optab[] = {
/* divide reverse */
{"fdivr", 2, 0xd8f8, X, FP|ShortForm|FloatDR, { FloatReg, FloatAcc, 0} },
{"fdivr", 1, 0xd8f8, X, FP|ShortForm, { FloatReg, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fdivr", 0, 0xdef9, X, FP|Ugh, { 0, 0, 0} }, /* alias for fdivrp */
#endif
{"fdivr", 1, 0xd8, 7, sld_FP|FloatMF|Modrm, { LongMem|LLongMem, 0, 0} },
{"fidivr", 1, 0xde, 7, sl_FP|FloatMF|Modrm, { ShortMem|LongMem, 0, 0} },
#if UNIXWARE_COMPAT
#if SYSV386_COMPAT
{"fdivrp", 2, 0xdef8, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fdivrp", 1, 0xdef8, X, FP|ShortForm, { FloatReg, 0, 0} },
{"fdivrp", 0, 0xdef9, X, FP, { 0, 0, 0} },
#if OLDGCC_COMPAT
{"fdivrp", 2, 0xdef8, X, FP|ShortForm|Ugh, { FloatReg, FloatAcc, 0} },
#endif
#else
{"fdivrp", 2, 0xdef0, X, FP|ShortForm, { FloatAcc, FloatReg, 0} },
{"fdivrp", 1, 0xdef0, X, FP|ShortForm, { FloatReg, 0, 0} },
@ -720,8 +731,7 @@ static const template i386_optab[] = {
{"fstsw", 0, 0xdfe0, X, FP|FWait, { 0, 0, 0} },
{"fnclex", 0, 0xdbe2, X, FP, { 0, 0, 0} },
{"fclex", 0, 0xdbe2, X, FP|FWait, { 0, 0, 0} },
/* Short forms of fldenv, fstenv use data size prefix.
FIXME: Are these the right suffixes? */
/* Short forms of fldenv, fstenv use data size prefix. */
{"fnstenv",1, 0xd9, 6, sl_Suf|Modrm, { LLongMem, 0, 0} },
{"fstenv", 1, 0xd9, 6, sl_Suf|FWait|Modrm, { LLongMem, 0, 0} },
{"fldenv", 1, 0xd9, 4, sl_Suf|Modrm, { LLongMem, 0, 0} },
@ -736,9 +746,8 @@ static const template i386_optab[] = {
#define FWAIT_OPCODE 0x9b
{"fwait", 0, 0x9b, X, FP, { 0, 0, 0} },
/*
opcode prefixes; we allow them as seperate insns too
*/
/* Opcode prefixes; we allow them as separate insns too. */
#define ADDR_PREFIX_OPCODE 0x67
{"addr16", 0, 0x67, X, NoSuf|IsPrefix|Size16|IgnoreSize, { 0, 0, 0} },
{"addr32", 0, 0x67, X, NoSuf|IsPrefix|Size32|IgnoreSize, { 0, 0, 0} },
@ -772,7 +781,7 @@ static const template i386_optab[] = {
{"repne", 0, 0xf2, X, NoSuf|IsPrefix, { 0, 0, 0} },
{"repnz", 0, 0xf2, X, NoSuf|IsPrefix, { 0, 0, 0} },
/* 486 extensions */
/* 486 extensions. */
{"bswap", 1, 0x0fc8, X, l_Suf|ShortForm, { Reg32, 0, 0 } },
{"xadd", 2, 0x0fc0, X, bwl_Suf|W|Modrm, { Reg, Reg|AnyMem, 0 } },
@ -781,10 +790,10 @@ static const template i386_optab[] = {
{"wbinvd", 0, 0x0f09, X, NoSuf, { 0, 0, 0} },
{"invlpg", 1, 0x0f01, 7, NoSuf|Modrm, { AnyMem, 0, 0} },
/* 586 and late 486 extensions */
/* 586 and late 486 extensions. */
{"cpuid", 0, 0x0fa2, X, NoSuf, { 0, 0, 0} },
/* Pentium extensions */
/* Pentium extensions. */
{"wrmsr", 0, 0x0f30, X, NoSuf, { 0, 0, 0} },
{"rdtsc", 0, 0x0f31, X, NoSuf, { 0, 0, 0} },
{"rdmsr", 0, 0x0f32, X, NoSuf, { 0, 0, 0} },
@ -794,7 +803,7 @@ static const template i386_optab[] = {
{"fxsave", 1, 0x0fae, 0, FP|Modrm, { LLongMem, 0, 0} },
{"fxrstor", 1, 0x0fae, 1, FP|Modrm, { LLongMem, 0, 0} },
/* Pentium Pro extensions */
/* Pentium Pro extensions. */
{"rdpmc", 0, 0x0f33, X, NoSuf, { 0, 0, 0} },
{"ud2", 0, 0x0f0b, X, NoSuf, { 0, 0, 0} }, /* official undefined instr. */
@ -919,7 +928,7 @@ static const template i386_optab[] = {
{"pxor", 2, 0x0fef, X, FP|Modrm, { RegMMX|LongMem, RegMMX, 0 } },
/* PIII Katmai New Instructions / SIMD instructions */
/* PIII Katmai New Instructions / SIMD instructions. */
{"addps", 2, 0x0f58, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } },
{"addss", 2, 0xf30f58, X, FP|Modrm, { RegXMM|WordMem, RegXMM, 0 } },
@ -1008,7 +1017,7 @@ static const template i386_optab[] = {
{"unpcklps", 2, 0x0f14, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } },
{"xorps", 2, 0x0f57, X, FP|Modrm, { RegXMM|LLongMem, RegXMM, 0 } },
/* AMD 3DNow! instructions */
/* AMD 3DNow! instructions. */
{"prefetch", 1, 0x0f0d, 0, FP|Modrm, { ByteMem, 0, 0 } },
{"prefetchw",1, 0x0f0d, 1, FP|Modrm, { ByteMem, 0, 0 } },
@ -1066,7 +1075,7 @@ static const template i386_optab[] = {
#define MAX_MNEM_SIZE 16 /* for parsing insn mnemonics from input */
/* 386 register table */
/* 386 register table. */
static const reg_entry i386_regtab[] = {
/* make %st first as we test for it */