(as.info)D10V-Chars


Special Characters
..................

   `;' and `#' are the line comment characters.  Sub-instructions may
be executed in order, in reverse-order, or in parallel.  Instructions
listed in the standard one-per-line format will be executed
sequentially.  To specify the executing order, use the following
symbols:
`->'
     Sequential with instruction on the left first.

`<-'
     Sequential with instruction on the right first.

`||'
     Parallel The D10V syntax allows either one instruction per line,
one instruction per line with the execution symbol, or two instructions
per line.  For example
`abs       a1      ->      abs     r0'
     Execute these sequentially.  The instruction on the right is in
     the right container and is executed second.

`abs       r0      <-      abs     a1'
     Execute these reverse-sequentially.  The instruction on the right
     is in the right container, and is executed first.

`ld2w    r2,@r8+         ||      mac     a0,r0,r7'
     Execute these in parallel.

`ld2w    r2,@r8+         ||'
`mac     a0,r0,r7'
     Two-line format. Execute these in parallel.

`ld2w    r2,@r8+'
`mac     a0,r0,r7'
     Two-line format. Execute these sequentially.  Assembler will put
     them in the proper containers.

`ld2w    r2,@r8+         ->'
`mac     a0,r0,r7'
     Two-line format. Execute these sequentially.  Same as above but
     second instruction will always go into right container.  Since `$'
has no special meaning, you may use it in symbol names.


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