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https://gitlab.com/freepascal.org/fpc/source.git
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297 lines
9.1 KiB
ObjectPascal
297 lines
9.1 KiB
ObjectPascal
{
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Copyright (c) 2000 by Florian Klaempfl
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Contains the assembler object for the ia64
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit cpuasm;
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{$i fpcdefs.inc}
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interface
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uses
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cobjects,
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aasm,globals,verbose,
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cpubase;
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type
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pairegalloc = ^tairegalloc;
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tairegalloc = class(tai)
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allocation : boolean;
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reg : tregister;
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constructor alloc(r : tregister);
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constructor dealloc(r : tregister);
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end;
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{ Types of operand }
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toptype=(top_none,top_reg,top_ref,top_const,top_symbol,top_qp);
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toper=record
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case typ : toptype of
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top_none : ();
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top_reg : (reg:tregister);
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top_qp : (qp : tqp);
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top_ref : (ref:preference);
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top_const : (val:int64);
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top_symbol : (sym:pasmsymbol;symofs:longint);
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end;
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paicpu = ^taicpu;
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taicpu = class(tai)
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is_jmp : boolean; { is this instruction a jump? (needed for optimizer) }
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opcode : tasmop;
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ops : array[0..4] of longint;
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oper : longint;
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qp : tqp;
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ldsttype : tldsttype;
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hint : thint;
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{ ALU instructions }
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{ A1,A9: integer ALU }
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constructor op_reg_reg_reg(op : tasmop;const r1,r2,r3 : tregister);
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{ A2,A10: shift left and add }
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constructor op_reg_reg_const_reg(_qp : tqp;op : tasmop;
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const r1,r2 : tregister;i : byte;const r3 : tregister);
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{ A3,A4,A5: integer ALU - imm.,register }
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constructor op_reg_const_reg(_qp : tqp;op : tasmop;
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const r1 : tregister;i : longint;const r3 : tregister);
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{ A6,A7: integer compare - register,register }
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constructor op_preg_preg_reg_reg(_qp : tqp;op : tasmop;
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cond : tasmcond;p1,p2 : tqp;const r2,r3 : tregister);
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{ A8: integer compare - imm.,register }
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constructor op_preg_preg_const_reg(_qp : tqp;op : tasmop;
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cond : tasmcond;p1,p2 : tqp;i : longint;const r3 : tregister);
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{!!!!!!!
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{ multimedia shift and multiply }
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constructor op_reg_reg_reg_const(_qp : tqp;
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{ multimedia mux }
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constructor op_reg_reg_mbtype(_qp : tqp;
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{ multimedia shift fixed }
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constructor op_reg_reg_const(_qp : tqp;
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{ div. }
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constructor op_reg_reg(_qp : tqp;
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{ mm extract }
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constructor op_reg_reg_const_const(_qp : tqp;
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{ zero and deposit imm }
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constructor op_reg_const_const_const(_qp : tqp;
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{ deposit imm }
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constructor op_reg_const_reg_const_const(_qp : tqp;
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{ deposit }
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constructor op_reg_reg_reg_const_const(_qp : tqp;
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{ test bit }
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{ !!!! here we need also to take care of the postfix }
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constructor op_preg_preg_reg_const(_qp : tqp;
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{ test NaT }
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{ !!!! here we need also to take care of the postfix }
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constructor op_preg_preg_reg(_qp : tqp;
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{ -------- here are some missed ----------- }
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}
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{ M1: integer load }
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{ M4: integer store }
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{ M6: floating-point load }
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{ M9: floating-point store }
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constructor op_reg_ref(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1 : tregister;ref : preference);
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{ M2: integer load incremented by register }
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{ M7: floating-point load incremented by register }
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constructor op_reg_ref_reg(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1 : tregister;const ref : treference;
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const r2 : tregister);
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{ M3: integer load increment by imm. }
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{ M5: integer store increment by imm. }
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{ M8: floating-point load increment by imm. }
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{ M10: floating-point store increment by imm. }
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constructor op_reg_ref_const(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1 : tregister;ref : preference;i : longint);
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{ M11: floating-point load pair}
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constructor op_reg_ref(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1,r2 : tregister;ref : preference);
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{ M12: floating-point load pair increment by imm. }
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constructor op_reg_ref(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1,r2 : tregister;ref : preference;i : longint);
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{ X1: break/nop }
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constructor op_const62(_qp : tqp;op : tasmop;i : int64);
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{ X2: move imm64 }
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constructor op_reg_const64(_qp : tqp;op : tasmop;const r1 : tregister;
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i : int64);
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end;
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{ the following objects are special for the ia64 }
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{ they decribe a stop and the bundles }
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paistop = ^taistop;
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taistop = class(tai)
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constructor init;
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end;
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{ a second underscro indicates a stop }
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tbundletemplate = (but_none,but_mii,but_mii_,
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but_mi_i,but_mi_i_,but_mlx,but_mlx_,
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but_mmi,but_mmi_,but_m_mi,but_m_mi_,
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but_mfi,but_mfi_,but_mmf,but_mmf_,
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but_mif,but_mib_,but_mbb,but_mbb_,
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but_bbb,but_bbb_,but_mmb,but_mmb_,
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but_mfb,but_mfb_);
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paibundle = ^taibundle;
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taibundle = class(tai)
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template : tbundletemplate;
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instructions : array[0..1] of paicpu;
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end;
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implementation
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{*****************************************************************************
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TaiStop
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*****************************************************************************}
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constructor taistop.init;
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begin
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inherited create;
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typ:=ait_stop;
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end;
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{*****************************************************************************
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TaiRegAlloc
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*****************************************************************************}
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constructor tairegalloc.alloc(r : tregister);
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begin
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inherited create;
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typ:=ait_regalloc;
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allocation:=true;
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reg:=r;
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end;
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constructor tairegalloc.dealloc(r : tregister);
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begin
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inherited create;
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typ:=ait_regalloc;
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allocation:=false;
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reg:=r;
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end;
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{*****************************************************************************
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Taicpu
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*****************************************************************************}
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{ ALU instructions }
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{ A1,A9: integer ALU }
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constructor taicpu.op_reg_reg_reg(op : tasmop;const r1,r2,r3 : tregister);
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begin
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end;
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{ A2,A10: shift left and add }
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constructor taicpu.op_reg_reg_const_reg(_qp : tqp;op : tasmop;
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const r1,r2 : tregister;i : byte;const r3 : tregister);
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begin
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end;
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{ A3,A4,A5: integer ALU - imm.,register }
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constructor taicpu.op_reg_const_reg(_qp : tqp;op : tasmop;
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const r1 : tregister;i : longint;const r3 : tregister);
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begin
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end;
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{ A6,A7: integer compare - register,register }
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constructor taicpu.op_preg_preg_reg_reg(_qp : tqp;op : tasmop;
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cond : tasmcond;p1,p2 : tqp;const r2,r3 : tregister);
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begin
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end;
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{ A8: integer compare - imm.,register }
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constructor taicpu.op_preg_preg_const_reg(_qp : tqp;op : tasmop;
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cond : tasmcond;p1,p2 : tqp;i : longint;const r3 : tregister);
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begin
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end;
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{ M1: integer load }
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{ M4: integer store }
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{ M6: floating-point load }
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{ M9: floating-point store }
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constructor taicpu.op_reg_ref(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1 : tregister;ref : preference);
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begin
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end;
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{ M2: integer load incremented by register }
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{ M7: floating-point load incremented by register }
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constructor taicpu.op_reg_ref_reg(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1 : tregister;const ref : treference;
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const r2 : tregister);
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begin
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end;
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{ M3: integer load increment by imm. }
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{ M5: integer store increment by imm. }
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{ M8: floating-point load increment by imm. }
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{ M10: floating-point store increment by imm. }
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constructor taicpu.op_reg_ref_const(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1 : tregister;ref : preference;i : longint);
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begin
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end;
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{ M11: floating-point load pair}
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constructor taicpu.op_reg_ref(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1,r2 : tregister;ref : preference);
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begin
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end;
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{ M12: floating-point load pair increment by imm. }
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constructor taicpu.op_reg_ref(_qp : tqp;op : tasmop;postfix : tldsttype;
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_hint : thint;const r1,r2 : tregister;ref : preference;i : longint);
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begin
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end;
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{ X1: break/nop }
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constructor taicpu.op_const62(_qp : tqp;op : tasmop;i : int64);
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{ X2: move imm64 }
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begin
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end;
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constructor taicpu.op_reg_const64(_qp : tqp;op : tasmop;const r1 : tregister;
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i : int64);
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begin
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end;
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end.
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