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md.texi (Processor pipeline description): Fix typo in example of how to use the absence_set directive and reword the...

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* doc/md.texi (Processor pipeline description): Fix typo in
  example of how to use the absence_set directive and reword the
  description to make it slightly easier to read.

From-SVN: r116973
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Nick Clifton 2006-09-15 15:27:43 +00:00 • committed by Nick Clifton
parent e54273ebec
commit a71b1c58dc
2 changed files with 11 additions and 5 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-09-15 Nick Clifton <nickc@redhat.com>
* doc/md.texi (Processor pipeline description): Fix typo in
example of how to use the absence_set directive and reword the
description to make it slightly easier to read.
2005-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
* params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.

10
gcc/doc/md.texi
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@ -6933,13 +6933,13 @@ The forth construction (@samp{absence_set}) means that each functional
unit in the first string can be reserved only if each pattern of units
whose names are in the second string is not reserved. This is an
asymmetric relation (actually @samp{exclusion_set} is analogous to
this one but it is symmetric). For example, it is useful for
description that @acronym{VLIW} @samp{slot0} can not be reserved after
@samp{slot1} or @samp{slot2} reservation. We could describe it by the
following construction
this one but it is symmetric). For example it might be useful in a
@acronym{VLIW} description to say that @samp{slot0} cannot be reserved
after either @samp{slot1} or @samp{slot2} have been reserved. This
can be described as:
@smallexample
(absence_set "slot2" "slot0, slot1")
(absence_set "slot0" "slot1, slot2")
@end smallexample
Or @samp{slot2} can not be reserved if @samp{slot0} and unit @samp{b0}