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Fix problems with big endian systems without 80-bit floating point support

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git-svn-id: trunk@42906 -
This commit is contained in:
pierre 2019-09-02 16:00:15 +00:00
parent 57ac787370
commit 0e02b4f58c
1 changed files with 18 additions and 7 deletions
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25
compiler/utils/ppuutils/ppudump.pp
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@ -491,17 +491,20 @@ type
case byte of
0: (bytes: Array[0..9] of byte);
1: (words: Array[0..4] of word);
{$ifdef FPC_LITTLE_ENDIAN}
2: (cards: Array[0..1] of cardinal; w: word);
{$else not FPC_LITTLE_ENDIAN}
2: (w:word; cards: Array[0..1] of cardinal);
{$endif not FPC_LITTLE_ENDIAN}
end;
const
maxDigits = 17;
function Real80bitToStr(var e : TSplit80bitReal) : string;
function Real80bitToStr(var e : TSplit80bitReal;var ext : extended) : string;
var
Temp : string;
new : TSplit80bitReal;
fraczero, expmaximal, sign, outside_double : boolean;
exp : smallint;
ext : extended;
d : double;
i : longint;
mantval : qword;
@ -524,7 +527,11 @@ const
exp:=(e.w and $7fff) - 16383 - 63;
fraczero := (e.cards[0] = 0) and
((e.cards[1] and $7fffffff) = 0);
{$ifdef FPC_LITTLE_ENDIAN}
mantval := qword(e.cards[0]) or (qword(e.cards[1]) shl 32);
{$else not FPC_LITTLE_ENDIAN}
mantval := (qword(e.cards[0]) shl 32) or qword(e.cards[1]);
{$endif not FPC_LITTLE_ENDIAN}
if expMaximal then
if fraczero then
if sign then
@ -554,10 +561,15 @@ const
if (mantval<>0) and (d=0.0) then
outside_double:=true;
if outside_double then
Temp:='Extended value outside double bound'
begin
Temp:='Extended value outside double bound';
ext:=0.0;
end
else
system.str(d,temp);
begin
ext:=d;
system.str(d,temp);
end;
end;
result:=temp;
@ -3600,8 +3612,7 @@ begin
else if entryleft=10 then
begin
getdata(extended,entryleft);
ss:=Real80bitToStr(extended);
constdef.VFloat:=StrToFloat(ss);
ss:=Real80bitToStr(extended,constdef.VFloat);
writeln(ss);
end
else