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81044b4cff
parameter doesn't get copied to a local variable in a pure asm routine git-svn-id: trunk@38249 -
141 lines
2.2 KiB
ObjectPascal
141 lines
2.2 KiB
ObjectPascal
{ %CPU=i8086 }
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{$IFDEF FPC}
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{$MODE TP}
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{$ELSE}
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{$DEFINE FPC_MM_LARGE}
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{$ENDIF FPC}
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{$IFDEF FPC_MM_TINY}
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{$DEFINE NEAR_CODE}
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{$DEFINE NEAR_DATA}
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{$ENDIF}
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{$IFDEF FPC_MM_SMALL}
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{$DEFINE NEAR_CODE}
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{$DEFINE NEAR_DATA}
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{$ENDIF}
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{$IFDEF FPC_MM_MEDIUM}
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{$DEFINE FAR_CODE}
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{$DEFINE NEAR_DATA}
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{$ENDIF}
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{$IFDEF FPC_MM_COMPACT}
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{$DEFINE NEAR_CODE}
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{$DEFINE FAR_DATA}
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{$ENDIF}
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{$IFDEF FPC_MM_LARGE}
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{$DEFINE FAR_CODE}
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{$DEFINE FAR_DATA}
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{$ENDIF}
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{$IFDEF FPC_MM_HUGE}
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{$DEFINE FAR_CODE}
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{$DEFINE FAR_DATA}
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{$ENDIF}
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program tasm20;
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{$S-}
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{ This test checks that assembler functions that return a value in register(s)
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do not get allocated an extra $result variable on the stack }
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var
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res: integer;
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res2: longint;
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{$ifdef FPC}
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res3: int64;
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{$endif FPC}
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res4: string;
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expect_sp: word;
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actual_sp: word;
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procedure myproc; assembler;
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asm
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mov expect_sp, sp
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end;
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function myfunc: integer; assembler;
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asm
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mov actual_sp, sp
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mov ax, $1234
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end;
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function myfunc2: longint; assembler;
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asm
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mov actual_sp, sp
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mov ax, $5678
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mov dx, $1234
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end;
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{$ifdef FPC}
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function myfunc3: int64; assembler;
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asm
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mov actual_sp, sp
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mov ax, $1234
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mov bx, $5678
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mov cx, $9ABC
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mov dx, $DEF0
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end;
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{$endif FPC}
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function myfunc4: string; assembler;
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asm
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mov actual_sp, sp
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cld
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{$IFDEF FAR_DATA}
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les di, @Result
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{$ELSE}
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mov di, @Result
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push ds
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pop es
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{$ENDIF}
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mov al, 7 { string length }
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stosb
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mov al, 'T'
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stosb
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mov al, 'r'
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stosb
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mov al, 'a'
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stosb
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mov al, 'l'
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stosb
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mov al, 'a'
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stosb
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mov al, 'l'
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stosb
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mov al, 'a'
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stosb
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end;
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procedure myfunc5(s: string); assembler;
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asm
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mov actual_sp, sp
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end;
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procedure Error;
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begin
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Writeln('Error!');
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Halt(1);
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end;
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begin
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myproc;
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res := myfunc;
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if (res <> $1234) or (expect_sp <> actual_sp) then
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Error;
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res2 := myfunc2;
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if (res2 <> $12345678) or (expect_sp <> actual_sp) then
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Error;
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{$ifdef FPC}
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res3 := myfunc3;
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if (res3 <> $123456789ABCDEF0) or (expect_sp <> actual_sp) then
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Error;
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{$endif FPC}
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res4 := myfunc4;
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if (res4 <> 'Tralala') and ((expect_sp - actual_sp) <> (2 + SizeOf(Pointer))) then
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Error;
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myfunc5('Test');
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if (expect_sp - actual_sp) <> (2 + SizeOf(Pointer)) then
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Error;
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Writeln('Ok!');
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end.
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