|
@@ -0,0 +1,191 @@
|
|
|
+{
|
|
|
+ Copyright (c) 1998-2011 by Florian Klaempfl and Jonas Maebe
|
|
|
+
|
|
|
+ Generate JVM inline nodes
|
|
|
+
|
|
|
+ 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 njvminl;
|
|
|
+
|
|
|
+{$i fpcdefs.inc}
|
|
|
+
|
|
|
+interface
|
|
|
+
|
|
|
+ uses
|
|
|
+ cpubase,
|
|
|
+ node,ninl,ncginl;
|
|
|
+
|
|
|
+ type
|
|
|
+ tjvminlinenode = class(tcginlinenode)
|
|
|
+ { first pass override
|
|
|
+ so that the code generator will actually generate
|
|
|
+ these nodes.
|
|
|
+ }
|
|
|
+(*
|
|
|
+ function first_sqrt_real: tnode; override;
|
|
|
+ *)
|
|
|
+ function first_sqr_real: tnode; override;
|
|
|
+ function first_trunc_real: tnode; override;
|
|
|
+(*
|
|
|
+ function first_round_real: tnode; override;
|
|
|
+ procedure second_sqrt_real; override;
|
|
|
+ procedure second_abs_real; override;
|
|
|
+*)
|
|
|
+ procedure second_sqr_real; override;
|
|
|
+ procedure second_trunc_real; override;
|
|
|
+(*
|
|
|
+ procedure second_round_real; override;
|
|
|
+*)
|
|
|
+ protected
|
|
|
+ procedure load_fpu_location;
|
|
|
+ end;
|
|
|
+
|
|
|
+implementation
|
|
|
+
|
|
|
+ uses
|
|
|
+ cutils,globals,verbose,globtype,
|
|
|
+ aasmtai,aasmdata,aasmcpu,
|
|
|
+ symconst,symdef,
|
|
|
+ defutil,
|
|
|
+ cgbase,pass_2,
|
|
|
+ cpuinfo,ncgutil,
|
|
|
+ cgutils,hlcgobj,hlcgcpu;
|
|
|
+
|
|
|
+
|
|
|
+{*****************************************************************************
|
|
|
+ tjvminlinenode
|
|
|
+*****************************************************************************}
|
|
|
+(*
|
|
|
+ function tjvminlinenode.first_sqrt_real : tnode;
|
|
|
+ begin
|
|
|
+ if (current_settings.cputype >= cpu_PPC970) then
|
|
|
+ begin
|
|
|
+ expectloc:=LOC_FPUREGISTER;
|
|
|
+ first_sqrt_real := nil;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ result:=inherited first_sqrt_real;
|
|
|
+ end;
|
|
|
+*)
|
|
|
+
|
|
|
+ function tjvminlinenode.first_sqr_real : tnode;
|
|
|
+ begin
|
|
|
+ expectloc:=LOC_FPUREGISTER;
|
|
|
+ first_sqr_real:=nil;
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ function tjvminlinenode.first_trunc_real : tnode;
|
|
|
+ begin
|
|
|
+ expectloc:=LOC_REGISTER;
|
|
|
+ first_trunc_real:=nil;
|
|
|
+ end;
|
|
|
+
|
|
|
+(*
|
|
|
+ function tjvminlinenode.first_round_real : tnode;
|
|
|
+ begin
|
|
|
+ if (current_settings.cputype >= cpu_PPC970) then
|
|
|
+ begin
|
|
|
+ expectloc:=LOC_REFERENCE;
|
|
|
+ first_round_real := nil;
|
|
|
+ end
|
|
|
+ else
|
|
|
+ result:=inherited first_round_real;
|
|
|
+ end;
|
|
|
+*)
|
|
|
+
|
|
|
+ { load the FPU value on the evaluation stack }
|
|
|
+ procedure tjvminlinenode.load_fpu_location;
|
|
|
+ begin
|
|
|
+ secondpass(left);
|
|
|
+ thlcgjvm(hlcg).a_load_loc_stack(current_asmdata.CurrAsmList,left.resultdef,left.location);
|
|
|
+ end;
|
|
|
+
|
|
|
+(*
|
|
|
+ procedure tjvminlinenode.second_sqrt_real;
|
|
|
+ begin
|
|
|
+ if (current_settings.cputype < cpu_PPC970) then
|
|
|
+ internalerror(2007020910);
|
|
|
+ location.loc:=LOC_FPUREGISTER;
|
|
|
+ load_fpu_location;
|
|
|
+ case left.location.size of
|
|
|
+ OS_F32:
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(A_FSQRTS,location.register,
|
|
|
+ left.location.register));
|
|
|
+ OS_F64:
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(A_FSQRT,location.register,
|
|
|
+ left.location.register));
|
|
|
+ else
|
|
|
+ inherited;
|
|
|
+ end;
|
|
|
+ end;
|
|
|
+*)
|
|
|
+
|
|
|
+ procedure tjvminlinenode.second_sqr_real;
|
|
|
+ begin
|
|
|
+ load_fpu_location;
|
|
|
+ location_reset(location,LOC_FPUREGISTER,location.size);
|
|
|
+ location.register:=hlcg.getfpuregister(current_asmdata.CurrAsmList,resultdef);
|
|
|
+ case left.location.size of
|
|
|
+ OS_F32:
|
|
|
+ begin
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_none(a_dup));
|
|
|
+ thlcgjvm(hlcg).incstack(current_asmdata.CurrAsmList,1);
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_none(a_fmul));
|
|
|
+ thlcgjvm(hlcg).decstack(current_asmdata.CurrAsmList,1);
|
|
|
+ end;
|
|
|
+ OS_F64:
|
|
|
+ begin
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_none(a_dup2));
|
|
|
+ thlcgjvm(hlcg).incstack(current_asmdata.CurrAsmList,2);
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_none(a_dmul));
|
|
|
+ thlcgjvm(hlcg).decstack(current_asmdata.CurrAsmList,2);
|
|
|
+ end;
|
|
|
+ else
|
|
|
+ internalerror(2011010804);
|
|
|
+ end;
|
|
|
+ thlcgjvm(hlcg).a_load_stack_reg(current_asmdata.CurrAsmList,resultdef,location.register);
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+ procedure tjvminlinenode.second_trunc_real;
|
|
|
+ begin
|
|
|
+ load_fpu_location;
|
|
|
+ location_reset(location,LOC_REGISTER,left.location.size);
|
|
|
+ location.register:=hlcg.getintregister(current_asmdata.CurrAsmList,resultdef);
|
|
|
+ case left.location.size of
|
|
|
+ OS_F32:
|
|
|
+ begin
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_none(a_f2l));
|
|
|
+ { 32 bit float -> 64 bit int: +1 stack slot }
|
|
|
+ thlcgjvm(hlcg).incstack(current_asmdata.CurrAsmList,1);
|
|
|
+ end;
|
|
|
+ OS_F64:
|
|
|
+ begin
|
|
|
+ { 64 bit float -> 64 bit int: same number of stack slots }
|
|
|
+ current_asmdata.CurrAsmList.concat(taicpu.op_none(a_d2l));
|
|
|
+ end;
|
|
|
+ else
|
|
|
+ internalerror(2011010805);
|
|
|
+ end;
|
|
|
+ thlcgjvm(hlcg).a_load_stack_reg(current_asmdata.CurrAsmList,resultdef,location.register);
|
|
|
+ end;
|
|
|
+
|
|
|
+
|
|
|
+begin
|
|
|
+ cinlinenode:=tjvminlinenode;
|
|
|
+end.
|