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61522d00a2
usage in case PIC generation is on (some by adding PIC-versions of
the assembler code, most by adding -Cg- to the options to be used).
Note: the Intel assembler reader does not yet support the Delphi
PIC construct, so tests with that (like test/tasmread and test/tcg1)
do not work with -Cg on non-Darwin (Darwin needs a different PIC
construct)
git-svn-id: trunk@9370 -
120 lines
1.9 KiB
ObjectPascal
120 lines
1.9 KiB
ObjectPascal
{ %CPU=i386 }
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{ %OPT=-Cg- }
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{ testfdiv variant with GNU AS output forced }
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{$ifdef win32}
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{$ifdef VER1_0}
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{$output_format asw}
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{$else}
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{$output_format as}
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{$endif}
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{$else}
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{$output_format as}
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{$endif win32}
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{ This test program deals with the
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the delicate problem of
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non commutative FPU instruction
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where the destination register
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is ST(1) to ST(7)
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Whereas Intel interprets
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fdiv st(1),st
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as
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st(1):=st(1) / st
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The ATT read
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fdiv %st,%st(1)
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as
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st(1):=st/st(1)
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Should be tested with
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different output styles :
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for go32v2
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-Aas -Acoff and -Anasmcoff
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for win32
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-Aas -Apecoff and -Anasmwin32
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for linux
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-Aas and -Anasmelf
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}
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program test_nasm_div;
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var
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x,y,z : double;
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begin
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x:=4;
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y:=2;
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Writeln('4/2=',x/y:0:2);
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if x/y <> 2.0 then
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Halt(1);
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{$asmmode att}
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asm
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fldl y
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fldl x
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fdivp %st,%st(1)
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fstpl z
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end;
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Writeln('ATT result of 4/2=',z:0:2);
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if z <> 2.0 then
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Halt(1);
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asm
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fldl y
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fldl x
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fdiv %st(1),%st
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fstpl z
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fstp %st
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end;
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Writeln('ATT result of 4/2=',z:0:2);
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if z <> 2.0 then
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Halt(1);
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asm
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fldl y
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fldl x
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fdiv %st,%st(1)
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fstp %st
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fstpl z
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end;
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Writeln('ATT result of 4/2=',z:0:2);
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if z <> 2.0 then
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Halt(1);
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asm
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fldl y
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fldl x
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fadd
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fstpl z
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end;
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Writeln('ATT result of 4+2=',z:0:2);
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if z <> 6.0 then
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Halt(1);
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{$asmmode intel}
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asm
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fld x
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fld y
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fdivp st(1),st
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fstp z
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end;
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Writeln('Intel result of 4/2=',z:0:2);
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if z <> 2.0 then
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Halt(1);
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asm
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fld y
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fld x
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fdiv st,st(1)
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fstp z
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fstp st
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end;
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Writeln('Intel result of 4/2=',z:0:2);
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if z <> 2.0 then
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Halt(1);
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asm
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fld y
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fld x
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fadd
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fstp z
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end;
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Writeln('Intel result of 4+2=',z:0:2);
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if z <> 6.0 then
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Halt(1);
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Writeln('All tests completed successfully!');
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end.
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