diff options
| author | David Edelsohn <edelsohn@gnu.org> | 2003-01-08 20:35:14 +0000 |
|---|---|---|
| committer | David Edelsohn <edelsohn@gnu.org> | 2003-01-08 20:35:14 +0000 |
| commit | b3c0948397a426e622bd5c61f8ffcfe81dd9ac9e (patch) | |
| tree | 52cdec59ac9ffaf6b538c3218f775e1d3e142b10 | |
| parent | 1e12aeba5faab50bff7c2e29e2085e7e5cb87eb1 (diff) | |
* doc/md.texi: Clarify assignment of units to automata description.itanium-sched-branch
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/itanium-sched-branch@61056 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/md.texi | 13 |
2 files changed, 11 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 901261d7396..9e63bb6e6b8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2003-01-08 David Edelsohn <edelsohn@gnu.org> + + * doc/md.texi: Clarify assignment of units to automata description. + 2003-01-08 Vladimir Makarov <vmakarov@redhat.com> * genautomata.c (unit_decl): Remove members diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index 056d5568ff7..123a4fc7e16 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -5488,12 +5488,13 @@ which the unit is bound. The automaton should be described in construction @code{define_automaton}. You should give @dfn{automaton-name}, if there is a defined automaton. -There are some constraints to assign units to automata. The most -important one is that, if a unit reservation is present on an -alternative of a insn reservation on a given cycle, any unit from the -same automaton should be also present on the rest alternatives of the -reservation on the cycle. The rest of the constraints are mentioned -in the description of the subsequent constructions. +The assignment of units to automata are constrained by the uses of the +units in insn reservations. The most important constraint is: if a +unit reservation is present on a particular cycle of an alternative +for an insn reservation, then some unit from the same automaton must +be present on the same cycle for the other alternatives of the insn +reservation. The rest of the constraints are mentioned in the +description of the subsequent constructions. @findex define_query_cpu_unit @cindex querying function unit reservations |