as: PRU Directives

 
 9.36.4 PRU Machine Directives
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 '.align EXPRESSION [, EXPRESSION]'
      This is the generic '.align' directive, however this aligns to a
      power of two.
 
 '.word EXPRESSION'
      Create an aligned constant 4 bytes in size.
 
 '.dword EXPRESSION'
      Create an aligned constant 8 bytes in size.
 
 '.2byte EXPRESSION'
      Create an unaligned constant 2 bytes in size.
 
 '.4byte EXPRESSION'
      Create an unaligned constant 4 bytes in size.
 
 '.8byte EXPRESSION'
      Create an unaligned constant 8 bytes in size.
 
 '.16byte EXPRESSION'
      Create an unaligned constant 16 bytes in size.
 
 '.set no_warn_regname_label'
      Do not output warnings when a label name matches a register name.
      Equivalent to passing the '-mno-warn-regname-label' command-line
      option.