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Also use union with double field to ensure correct alignment for float64 type from genmath.inc source

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git-svn-id: trunk@45779 -
This commit is contained in:
pierre 2020-07-13 13:18:32 +00:00
parent ac5407268c
commit 834dbf5f80
1 changed files with 10 additions and 5 deletions
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15
rtl/inc/genmath.inc
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@ -62,21 +62,26 @@
type
PReal = ^Real;
{ also necessary for Int() on systems with 64bit floats (JM) }
{ union required to get correct alignement for floating point type }
{$ifndef FPC_SYSTEM_HAS_float64}
{$ifdef ENDIAN_LITTLE}
float64 = record
{$ifndef FPC_DOUBLE_HILO_SWAPPED}
low,high: longint;
case byte of
1: (dummy : double);
{$ifndef FPC_DOUBLE_HILO_SWAPPED}
2: (low,high: longint);
{$else}
high,low: longint;
2: (high,low: longint);
{$endif FPC_DOUBLE_HILO_SWAPPED}
end;
{$else}
float64 = record
case byte of
1: (dummy : double);
{$ifndef FPC_DOUBLE_HILO_SWAPPED}
high,low: longint;
2: (high,low: longint);
{$else}
low,high: longint;
2: (low,high: longint);
{$endif FPC_DOUBLE_HILO_SWAPPED}
end;
{$endif}