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Labels
A
label is written as a symbol immediately followed by a colon (:).
The symbol then represents the current value of the active location counter,
and is, for example, a suitable instruction operand. You are warned if
you use the same symbol to represent two different locations: the first
definition overrides any other definitions.
On
the HPPA, the usual form for a label need not be immediately followed by
a colon, but instead must start in column zero. Only one label may be defined
on a single line. To work around this, the HPPA version of as
also provides a special directive, .label,
for defining labels more flexibly.
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