* use vmov.xx to load float constants if possible

git-svn-id: trunk@39298 -
This commit is contained in:
florian 2018-06-24 12:40:00 +00:00
parent 4f5f3c4a09
commit 4aa0ad6735

View File

@ -26,10 +26,11 @@ unit narmcon;
interface
uses
ncgcon,cpubase;
node,ncgcon,cpubase;
type
tarmrealconstnode = class(tcgrealconstnode)
function pass_1 : tnode;override;
procedure pass_generate_code;override;
end;
@ -39,9 +40,10 @@ interface
verbose,
globtype,globals,
cpuinfo,
aasmbase,aasmtai,aasmdata,symdef,
aasmbase,aasmtai,aasmdata,aasmcpu,
symdef,
defutil,
cgbase,cgutils,
cgbase,cgutils,cgobj,
procinfo,
ncon;
@ -49,6 +51,17 @@ interface
TARMREALCONSTNODE
*****************************************************************************}
function tarmrealconstnode.pass_1 : tnode;
begin
result:=nil;
if (current_settings.fputype in [fpu_vfpv3,fpu_vfpv4,fpu_vfpv3_d16,fpu_fpv4_s16]) and
IsVFPFloatImmediate(tfloatdef(resultdef).floattype,value_real) then
expectloc:=LOC_MMREGISTER
else
expectloc:=LOC_CREFERENCE;
end;
procedure tarmrealconstnode.pass_generate_code;
{ I suppose the parser/pass_1 must make sure the generated real }
{ constants are actually supported by the target processor? (JM) }
@ -59,75 +72,91 @@ interface
lastlabel : tasmlabel;
realait : tairealconsttype;
hiloswapped : boolean;
pf : TOpPostfix;
begin
location_reset_ref(location,LOC_CREFERENCE,def_cgsize(resultdef),4,[]);
lastlabel:=nil;
realait:=floattype2ait[tfloatdef(resultdef).floattype];
hiloswapped:=is_double_hilo_swapped;
{ const already used ? }
if not assigned(lab_real) then
if (current_settings.fputype in [fpu_vfpv3,fpu_vfpv4,fpu_vfpv3_d16,fpu_fpv4_s16]) and
IsVFPFloatImmediate(tfloatdef(resultdef).floattype,value_real) then
begin
current_asmdata.getjumplabel(lastlabel);
lab_real:=lastlabel;
current_procinfo.aktlocaldata.concat(Tai_label.Create(lastlabel));
location.reference.symboldata:=current_procinfo.aktlocaldata.last;
case realait of
aitrealconst_s32bit :
begin
current_procinfo.aktlocaldata.concat(tai_realconst.create_s32real(ts32real(value_real)));
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s32val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
location_reset(location,LOC_MMREGISTER,def_cgsize(resultdef));
location.register:=cg.getmmregister(current_asmdata.CurrAsmList,location.size);
if tfloatdef(resultdef).floattype=s32real then
pf:=PF_F32
else
pf:=PF_F64;
current_asmdata.CurrAsmList.concat(setoppostfix(taicpu.op_reg_realconst(A_VMOV,
location.register,value_real),pf));
end
else
begin
location_reset_ref(location,LOC_CREFERENCE,def_cgsize(resultdef),4,[]);
lastlabel:=nil;
realait:=floattype2ait[tfloatdef(resultdef).floattype];
hiloswapped:=is_double_hilo_swapped;
{ const already used ? }
if not assigned(lab_real) then
begin
current_asmdata.getjumplabel(lastlabel);
lab_real:=lastlabel;
current_procinfo.aktlocaldata.concat(Tai_label.Create(lastlabel));
location.reference.symboldata:=current_procinfo.aktlocaldata.last;
case realait of
aitrealconst_s32bit :
begin
current_procinfo.aktlocaldata.concat(tai_realconst.create_s32real(ts32real(value_real)));
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s32val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
aitrealconst_s64bit :
begin
if hiloswapped then
current_procinfo.aktlocaldata.concat(tai_realconst.create_s64real_hiloswapped(ts64real(value_real)))
else
current_procinfo.aktlocaldata.concat(tai_realconst.create_s64real(ts64real(value_real)));
aitrealconst_s64bit :
begin
if hiloswapped then
current_procinfo.aktlocaldata.concat(tai_realconst.create_s64real_hiloswapped(ts64real(value_real)))
else
current_procinfo.aktlocaldata.concat(tai_realconst.create_s64real(ts64real(value_real)));
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s64val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s64val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
aitrealconst_s80bit :
begin
current_procinfo.aktlocaldata.concat(tai_realconst.create_s80real(value_real,tfloatdef(resultdef).size));
aitrealconst_s80bit :
begin
current_procinfo.aktlocaldata.concat(tai_realconst.create_s80real(value_real,tfloatdef(resultdef).size));
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s80val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s80val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
{$ifdef cpufloat128}
aitrealconst_s128bit :
begin
current_procinfo.aktlocaldata.concat(tai_realconst.create_s128real(value_real));
aitrealconst_s128bit :
begin
current_procinfo.aktlocaldata.concat(tai_realconst.create_s128real(value_real));
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s128val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
{ range checking? }
if floating_point_range_check_error and
(tai_realconst(current_procinfo.aktlocaldata.last).value.s128val=MathInf.Value) then
Message(parser_e_range_check_error);
end;
{$endif cpufloat128}
{ the round is necessary for native compilers where comp isn't a float }
aitrealconst_s64comp :
if (value_real>9223372036854775807.0) or (value_real<-9223372036854775808.0) then
message(parser_e_range_check_error)
{ the round is necessary for native compilers where comp isn't a float }
aitrealconst_s64comp :
if (value_real>9223372036854775807.0) or (value_real<-9223372036854775808.0) then
message(parser_e_range_check_error)
else
current_procinfo.aktlocaldata.concat(tai_realconst.create_s64compreal(round(value_real)));
else
current_procinfo.aktlocaldata.concat(tai_realconst.create_s64compreal(round(value_real)));
else
internalerror(2005092401);
end;
internalerror(2005092401);
end;
end;
location.reference.symbol:=lab_real;
location.reference.base:=NR_R15;
end;
location.reference.symbol:=lab_real;
location.reference.base:=NR_R15;
end;
begin