(as.info.gz) Statements

 
 3.5 Statements
 ==============
 
 A "statement" ends at a newline character (`\n') or line separator
 character.  (The line separator is usually `;', unless this conflicts
 with the comment character; see  Machine Dependencies.)  The
 newline or separator character is considered part of the preceding
 statement.  Newlines and separators within character constants are an
 exception: they do not end statements.
 
 It is an error to end any statement with end-of-file:  the last
 character of any input file should be a newline.
 
    An empty statement is allowed, and may include whitespace.  It is
 ignored.
 
    A statement begins with zero or more labels, optionally followed by a
 key symbol which determines what kind of statement it is.  The key
 symbol determines the syntax of the rest of the statement.  If the
 symbol begins with a dot `.' then the statement is an assembler
 directive: typically valid for any computer.  If the symbol begins with
 a letter the statement is an assembly language "instruction": it
 assembles into a machine language instruction.  Different versions of
 `as' for different computers recognize different instructions.  In
 fact, the same symbol may represent a different instruction in a
 different computer's assembly language.
 
    A label is a symbol immediately followed by a colon (`:').
 Whitespace before a label or after a colon is permitted, but you may not
 have whitespace between a label's symbol and its colon.  Labels.
 
    For HPPA targets, labels need not be immediately followed by a
 colon, but the definition of a label must begin in column zero.  This
 also implies that only one label may be defined on each line.
 
      label:     .directive    followed by something
      another_label:           # This is an empty statement.
                 instruction   operand_1, operand_2, ...
Info Catalog
(as.info.gz) Symbol Intro
(as.info.gz) Syntax
(as.info.gz) Constants
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