[Fwd: RE: REg: inline assembly] | TMS320C54x

Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).

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Giri-

Derk is correct, he means like this:

  asm("  swap2 val1, val2");

The reason is without space the assembler will think that the instruction
is a label.  Think of what normally happens when you're using an editor.

-Jeff
---------------------------- Original Message ----------------------------
Subject: RE: [c54x] REg: inline assembly
From:    "Derk van de Velde" <d...@pcvisie.nl>
Date:    Mon, June 26, 2006 1:03 am
To:      "Giridhar Tammana" <g...@gmail.com>
         c...@yahoogroups.com
--------------------------------------------------------------------------

giri,

you must!!! use a space or tab after the qoute.
asm ("space val1,val2");

  regards,
  derk
   -----Oorspronkelijk bericht-----
  Van: c...@yahoogroups.com [mailto:c...@yahoogroups.com]Namens Giridhar
Tammana
  Verzonden: zondag 25 juni 2006 16:39
  Aan: c...@yahoogroups.com
  Onderwerp: [c54x] REg: inline assembly
  Hi,
  I'm using c64x simulator.
  I want to use swap2 instruction.
  For this there is no intrinsic.

  How can I write inline asm if possible to use swap2 instruction?

  {
  ....
  unsigned int val;
  asm("swap2 val, val");
  .....
  }

  asm("swap2 val, val");
  above statement is wrong.
  I also tried _val for val.
  And GCC like asm("swap2 %0,%0"
  :"r" val);
  also doesnt work?
  Pls reply if some thing we can do.
  Thanks,
  Giri

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[Fwd: RE: REg: inline assembly] - Jeff Brower - Jun 26 10:37:44 2006