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+ fma support for arm

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git-svn-id: trunk@33181 -
This commit is contained in:
florian 2016-03-06 13:33:14 +00:00
parent 096e1c45d6
commit 43746685a5
1 changed files with 105 additions and 1 deletions
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106
compiler/arm/narminl.pas
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@ -33,6 +33,7 @@ interface
function first_abs_real: tnode; override;
function first_sqr_real: tnode; override;
function first_sqrt_real: tnode; override;
function first_fma : tnode; override;
{ atn,sin,cos,lgn isn't supported by the linux fpe
function first_arctan_real: tnode; override;
function first_ln_real: tnode; override;
@ -50,6 +51,7 @@ interface
}
procedure second_prefetch; override;
procedure second_abs_long; override;
procedure second_fma; override;
private
procedure load_fpu_location(out singleprec: boolean);
end;
@ -61,7 +63,8 @@ implementation
globtype,verbose,globals,
cpuinfo, defutil,symdef,aasmdata,aasmcpu,
cgbase,cgutils,pass_1,pass_2,
cpubase,ncgutil,cgobj,cgcpu, hlcgobj;
cpubase,ncgutil,cgobj,cgcpu, hlcgobj,
ncal;
{*****************************************************************************
tarminlinenode
@ -202,6 +205,19 @@ implementation
end;
function tarminlinenode.first_fma : tnode;
begin
if (true) and
((is_double(resultdef)) or (is_single(resultdef))) then
begin
expectloc:=LOC_MMREGISTER;
Result:=nil;
end
else
Result:=inherited first_fma;
end;
{ atn,sin,cos,lgn isn't supported by the linux fpe
function tarminlinenode.first_arctan_real: tnode;
begin
@ -404,6 +420,94 @@ implementation
cg.a_reg_dealloc(current_asmdata.CurrAsmList,NR_DEFAULTFLAGS);
end;
procedure tarminlinenode.second_fma;
const
op : array[false..true,false..true] of TAsmOp =
{ positive product }
(
{ positive third operand }
(A_VFMA,
{ negative third operand }
A_VFNMS),
{ negative product }
{ positive third operand }
(A_VFMS,
A_VFNMA)
);
var
paraarray : array[1..3] of tnode;
i : integer;
negop3,
negproduct : boolean;
hp : tnode;
oppostfix : TOpPostfix;
begin
if current_settings.fputype in [fpu_vfpv4] then
begin
negop3:=false;
negproduct:=false;
paraarray[1]:=tcallparanode(tcallparanode(tcallparanode(parameters).nextpara).nextpara).paravalue;
paraarray[2]:=tcallparanode(tcallparanode(parameters).nextpara).paravalue;
paraarray[3]:=tcallparanode(parameters).paravalue;
{ check if a neg. node can be removed
this is possible because changing the sign of
a floating point number does not affect its absolute
value in any way
}
if paraarray[1].nodetype=unaryminusn then
begin
paraarray[1]:=tunarynode(paraarray[1]).left;
{ do not release the unused unary minus node, it is kept and release together with the other nodes,
only no code is generated for it }
negproduct:=not(negproduct);
end;
if paraarray[2].nodetype=unaryminusn then
begin
paraarray[2]:=tunarynode(paraarray[2]).left;
{ do not release the unused unary minus node, it is kept and release together with the other nodes,
only no code is generated for it }
negproduct:=not(negproduct);
end;
if paraarray[3].nodetype=unaryminusn then
begin
paraarray[3]:=tunarynode(paraarray[3]).left;
{ do not release the unused unary minus node, it is kept and release together with the other nodes,
only no code is generated for it }
negop3:=true;
end;
for i:=1 to 3 do
secondpass(paraarray[i]);
{ no memory operand is allowed }
for i:=1 to 3 do
begin
if not(paraarray[i].location.loc in [LOC_MMREGISTER,LOC_CMMREGISTER]) then
hlcg.location_force_mmregscalar(current_asmdata.CurrAsmList,paraarray[i].location,paraarray[i].resultdef,true);
end;
location_reset(location,LOC_MMREGISTER,paraarray[1].location.size);
location.register:=cg.getmmregister(current_asmdata.CurrAsmList,location.size);
hlcg.a_loadmm_reg_reg(current_asmdata.CurrAsmList,paraarray[3].resultdef,resultdef,
paraarray[3].location.register,location.register,mms_movescalar);
if is_double(resultdef) then
oppostfix:=PF_F64
else
oppostfix:=PF_F32;
current_asmdata.CurrAsmList.concat(setoppostfix(taicpu.op_reg_reg_reg(op[negproduct,negop3],
location.register,paraarray[1].location.register,paraarray[2].location.register),oppostfix));
end
else
internalerror(2014032301);
end;
begin
cinlinenode:=tarminlinenode;
end.