Hi,
 
I have
unit1.pas:36                              i:=Int64(c);
000000000046EEE0 488b45e8                 mov    -0x18(%rbp),%rax
000000000046EEE4 488945e0                 mov    %rax,-0x20(%rbp)
unit1.pas:38                              writeln(i);
at Level0 andunit1.pas:36                              
i:=Int64(c);000000000046EECD 4c8b2424                 mov    
(%rsp),%r12unit1.pas:38                              writeln(i);at Level3.I 
just noticed that you wrote you are expecting 1000. You should expect 10000 
since currency has four decimals.V.  
______________________________________________________________
Od: LacaK <la...@zoznam.sk>
Komu: fpc-pascal@lists.freepascal.org
Datum: 18.05.2018 07:54
Předmět: Re: [fpc-pascal] Currency and Int64 casting


 
Linux 64-bit Lazarus 1.9.0 r57948M FPC 3.1.1 x86_64-linux-qt gives
 
 1.000000000000000000E+00 10000
What is dissassembly for:
  i:=Int64(c);?

I have for Win32:
test_curr_int64.lpr:19            i1 := Int64(c);
0040158D a100c04200               mov    0x42c000,%eax
00401592 a310c04200               mov    %eax,0x42c010
00401597 a104c04200               mov    0x42c004,%eax
0040159C a314c04200               mov    %eax,0x42c014

and for Win64:
test_curr_int64.lpr:19                    i1 := Int64(c);
00000001000015BD 488b0d3caa0300           mov    0x3aa3c(%rip),%rcx        # 
0x10003c000
00000001000015C4 48b84b598638d6c56d34     movabs $0x346dc5d63886594b,%rax
00000001000015CE 48f7e9                   imul   %rcx
00000001000015D1 48c1fa0b                 sar    $0xb,%rdx
00000001000015D5 48c1e93f                 shr    $0x3f,%rcx
00000001000015D9 4801ca                   add    %rcx,%rdx
00000001000015DC 4889152daa0300           mov    %rdx,0x3aa2d(%rip)        # 
0x10003c010


L.
______________________________________________________________
> Od: LacaK <la...@zoznam.sk> <la...@zoznam.sk>
> Komu: FPC-Pascal users discussions <fpc-pascal@lists.freepascal.org> 
<fpc-pascal@lists.freepascal.org>
> Datum: 17.05.2018 13:33
> Předmět: [fpc-pascal] Currency and Int64 casting
>
Hi,

consider following program:

var
  c: currency;

begin
  c := 1;
  writeln(c,' ',Int64(c));
  readln;
end.

FPC 3.0.4
On Win32/x86 I get: 1, 1000  (what I am expecting)
On Win64/x86_64 I get: 1, 1

Is is as expected ?

Is there safe way for both platforms how to get 1000 (beside that I can use: i: int64 absolute c;)

Thanks

-Laco.

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