mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-05-05 13:52:34 +02:00
283 lines
8.6 KiB
ObjectPascal
283 lines
8.6 KiB
ObjectPascal
{
|
|
Copyright (C) 2000 by Florian Klaempfl
|
|
|
|
this unit implements an asmlistitem class for the iA-64 architecture
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
****************************************************************************
|
|
}
|
|
unit cpubase;
|
|
|
|
interface
|
|
|
|
uses
|
|
cutils,strings,systems,cobjects,globals,aasm,cpuinfo;
|
|
|
|
type
|
|
tasmop = (A_ADD,A_SUB,A_ADDP4,A_AND,A_ANDCM,A_OR,A_XOR,A_SHLADD,
|
|
A_SHLADDP4,A_ADDS,A_ADDL,A_CMP,A_CMP4,A_PADD1,A_PADD2,
|
|
A_PADD4,A_PSUB1,A_PSUB2,A_PSUB4,A_PAVG1,A_PAVG2,A_PAVGSUB1,
|
|
A_PAVGSUB2,A_PCMP1,A_PCMP2,A_PCMP4,A_PSHLADD2,A_PSHRADD2,
|
|
A_PMPY2,A_MIX1,A_MIX2,A_MIX4,A_PACK2,A_PACK4,A_UNPACK2,
|
|
A_UNPACK4,A_PMIN1,A_PMAX1,A_PMIN2,A_PMAX2,A_PSAD1,A_MUX1,
|
|
A_MUX2,A_PSHR2,A_PSHR4,A_SHR,A_PSHL2,A_SHL4,A_SHL,
|
|
A_POPCNT,A_SHRP,A_EXTR,A_DEP,A_TBIT,A_TNAT,A_BREAK,
|
|
A_NOP,A_CHK,A_MOV,A_ZX1,A_ZX2,A_ZXT4,A_SXT1,A_SXT2,A_SXT4,
|
|
A_CXZ1,A_CZX2,A_LD1,A_LD2,A_LD4,A_LD8,A_ST1,A_ST2,A_ST4,
|
|
A_ST8,A_LDFS,A_LDFD,A_LDF8,A_LDFE,A_LDF,A_STFS,A_STFD,A_STF8,
|
|
A_STFE,A_STF,A_LDFPS,A_LDFPD,A_LDFP8,A_LFETCH,A_CMPXCHG1,
|
|
A_CMPXCHG2,A_CMPXHG4,A_CMPXCHG8,A_XCHG1,A_XCHG2,A_XCHG4,
|
|
A_XCHG8,A_FETCHADD4,A_FETCHADD8,A_SETF,A_GETF,
|
|
A_INVALA,A_MF,A_SRLZ,A_SYNC,A_FLUSHRS,A_FC,A_ALLOC,A_SUM,
|
|
A_RUM,A_BR,A_CLRRRB,A_FMA,A_FPMA,A_FMS,A_FPMS,A_FNMA,A_FPNMA,
|
|
A_XMA,A_FSELECT,A_FCLASS,A_FRCPA,A_FPRCPA,A_FRSQRTA,
|
|
A_FPRSQRTA,A_FMIN,A_FMAX,A_FAMIN,A_FAMAX,A_FPMIN,A_FPMAX,
|
|
A_FPAMIN,A_FPAMAX,A_FPCMP,A_FMERGE,A_FMIX,A_FSXT,A_FPACK,
|
|
A_FSWAP,A_FAND,A_FANDCM,A_FOR,A_FXOR,A_FPMERGE,A_FCVT,
|
|
A_FPCVT,A_FSETC,A_FCLRT,A_FCHKF,A_MOVL);
|
|
|
|
Const
|
|
firstop = low(tasmop);
|
|
lastop = high(tasmop);
|
|
|
|
type
|
|
TAsmCond = (C_NONE,C_LT,C_LTU,C_EQ,C_LT_UNC,C_LTU_UNC,C_EQ_UNC,
|
|
C_EQ_AND,C_EQ_OR,C_EQ_OR_ANDCM,C_NE_AND,C_NE_OR);
|
|
|
|
THint = (H_NONE,H_NT1,H_NT2,H_NTA);
|
|
TLdStType = (LST_NONE,LST_S,LST_A,LSR_SA,LST_BIAS,LST_ACQ,LST_C_CLR,
|
|
LST_FILL,LST_C_NC,LST_C_CLR_ACQ,LST_REL,
|
|
LST_SPILL);
|
|
|
|
Type
|
|
TRegister = (R_NO, { R_NO is Mandatory, signifies no register }
|
|
R_0,R_1,R_2,R_3,R_4,R_5,R_6,R_7,R_8,R_9,
|
|
R_10,R_11,R_12,R_13,R_14,R_15,R_16,R_17,R_18,R_19,
|
|
R_20,R_21,R_22,R_23,R_24,R_25,R_26,R_27,R_28,R_29,
|
|
R_30,R_31,
|
|
R_F0,R_F1,R_F2,R_F3,R_F4,R_F5,R_F6,R_F7,R_F8,R_F9,
|
|
R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,R_F16,R_F17,R_F18,R_F19,
|
|
R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,
|
|
R_F30,R_F31);
|
|
|
|
TRegisterset = Set of TRegister;
|
|
|
|
{ -1 indicates no qualifying prediction }
|
|
tqp = -1..63;
|
|
|
|
const
|
|
qp_none : tqp = -1;
|
|
|
|
{ Constants describing the registers }
|
|
|
|
Const
|
|
Firstreg = R_0;
|
|
LastReg = R_F31;
|
|
|
|
stack_pointer_reg = R_30;
|
|
frame_pointer_reg = R_15;
|
|
self_pointer_reg = R_16;
|
|
accumulator = R_0;
|
|
{the return_result_reg, is used inside the called function to store its return
|
|
value when that is a scalar value otherwise a pointer to the address of the
|
|
result is placed inside it}
|
|
return_result_reg = accumulator;
|
|
|
|
{the function_result_reg contains the function result after a call to a scalar
|
|
function othewise it contains a pointer to the returned result}
|
|
function_result_reg = accumulator;
|
|
global_pointer = R_29;
|
|
return_pointer = R_26;
|
|
|
|
max_scratch_regs = 2;
|
|
scratch_regs : array[1..max_scratch_regs] of tregister = (R_1,R_2);
|
|
|
|
{ low and high of the available maximum width integer general purpose }
|
|
{ registers }
|
|
LoGPReg = R_0;
|
|
HiGPReg = R_31;
|
|
|
|
{ sizes }
|
|
sizeof(aint) = 8;
|
|
extended_size = 16;
|
|
|
|
general_registers = [R_0..R_31];
|
|
|
|
intregs = [R_0..R_31];
|
|
fpuregs = [R_F0..R_F31];
|
|
mmregs = [];
|
|
|
|
availabletempregsint = [R_0..R_14,R_16..R_25,R_28];
|
|
availabletempregsfpu = [R_F0..R_F30];
|
|
availabletempregsmm = [];
|
|
|
|
c_countusableregsint = 26;
|
|
c_countusableregsfpu = 31;
|
|
c_countusableregsmm = 0;
|
|
|
|
maxfpuvarregs = 128;
|
|
maxvarregs = 128;
|
|
|
|
max_operands = 4;
|
|
|
|
varregs : Array [1..6] of Tregister =
|
|
(R_9,R_10,R_11,R_12,R_13,R_14);
|
|
|
|
{*****************************************************************************
|
|
GCC /ABI linking information
|
|
*****************************************************************************}
|
|
|
|
{# Registers which must be saved when calling a routine declared as
|
|
cppdecl, cdecl, stdcall, safecall, palmossyscall. The registers
|
|
saved should be the ones as defined in the target ABI and / or GCC.
|
|
|
|
This value can be deduced from CALLED_USED_REGISTERS array in the
|
|
GCC source.
|
|
}
|
|
std_saved_registers = [R_9..R_14,R_F2..R_F9];
|
|
{# Required parameter alignment when calling a routine declared as
|
|
stdcall and cdecl. The alignment value should be the one defined
|
|
by GCC or the target ABI.
|
|
|
|
The value of this constant is equal to the constant
|
|
PARM_BOUNDARY / BITS_PER_UNIT in the GCC source.
|
|
}
|
|
std_param_align = ???;
|
|
|
|
|
|
Type
|
|
TReference = record
|
|
offset : aword;
|
|
symbol : pasmsymbol;
|
|
base : tregister;
|
|
is_immediate : boolean;
|
|
offsetfixup : word; {needed for inline}
|
|
{ the boundary to which the reference is surely aligned }
|
|
alignment : byte;
|
|
end;
|
|
PReference = ^TReference;
|
|
|
|
tloc = (LOC_INVALID,
|
|
LOC_REGISTER,
|
|
LOC_FPU,
|
|
LOC_MEM,
|
|
LOC_REFERENCE,
|
|
LOC_JUMP,
|
|
{ the alpha doesn't have flags, but this }
|
|
{ avoid some conditional compiling }
|
|
{ DON'T USE for the alpha }
|
|
LOC_FLAGS,
|
|
LOC_CREGISTER,
|
|
LOC_CFPUREGISTER,
|
|
LOC_CONST);
|
|
|
|
tlocation = record
|
|
case loc : tloc of
|
|
LOC_REFERENCE,LOC_MEM : (reference : treference);
|
|
LOC_CREGISTER,
|
|
LOC_REGISTER : (register : tregister);
|
|
LOC_FLAGS : (qp : tqp);
|
|
LOC_JUMP : ();
|
|
end;
|
|
|
|
{*****************************************************************************
|
|
Opcode propeties (needed for optimizer)
|
|
*****************************************************************************}
|
|
|
|
{$ifndef NOOPT}
|
|
Type
|
|
{What an instruction can change}
|
|
TInsChange = (Ch_None);
|
|
{$endif}
|
|
|
|
|
|
{ resets all values of ref to defaults }
|
|
procedure reset_reference(var ref : treference);
|
|
{ set mostly used values of a new reference }
|
|
function new_reference(base : tregister;offset : longint) : preference;
|
|
function newreference(const r : treference) : preference;
|
|
procedure disposereference(var r : preference);
|
|
|
|
procedure set_location(var destloc : tlocation;const sourceloc : tlocation);
|
|
|
|
|
|
{*****************************************************************************
|
|
Init/Done
|
|
*****************************************************************************}
|
|
|
|
procedure InitCpu;
|
|
procedure DoneCpu;
|
|
|
|
implementation
|
|
|
|
uses
|
|
verbose;
|
|
|
|
|
|
procedure reset_reference(var ref : treference);
|
|
begin
|
|
FillChar(ref,sizeof(treference),0);
|
|
end;
|
|
|
|
|
|
function new_reference(base : tregister;offset : longint) : preference;
|
|
var
|
|
r : preference;
|
|
begin
|
|
new(r);
|
|
FillChar(r^,sizeof(treference),0);
|
|
r^.offset:=offset;
|
|
r^.alignment:=8;
|
|
new_reference:=r;
|
|
end;
|
|
|
|
function newreference(const r : treference) : preference;
|
|
|
|
var
|
|
p : preference;
|
|
begin
|
|
new(p);
|
|
p^:=r;
|
|
newreference:=p;
|
|
end;
|
|
|
|
procedure disposereference(var r : preference);
|
|
|
|
begin
|
|
dispose(r);
|
|
r:=Nil;
|
|
end;
|
|
|
|
procedure set_location(var destloc : tlocation;const sourceloc : tlocation);
|
|
|
|
begin
|
|
destloc:=sourceloc;
|
|
end;
|
|
|
|
{*****************************************************************************
|
|
Init/Done
|
|
*****************************************************************************}
|
|
|
|
procedure InitCpu;
|
|
begin
|
|
end;
|
|
|
|
procedure DoneCpu;
|
|
begin
|
|
end;
|
|
|
|
end.
|