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Add documentation for Haifa ISSUE_RATE

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From-SVN: r16145
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Michael Meissner 1997-10-22 02:06:18 +00:00
parent c1e385dbd1
commit 70cfa7adbd
1 changed files with 6 additions and 0 deletions
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gcc/tm.texi
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@ -7141,4 +7141,10 @@ limited addressing modes. For instance, the SH target has only positive
offsets in addresses. Thus sorting to put the smallest address first
allows the most combinations to be found.
@findex ISSUE_RATE
@item ISSUE_RATE
A C expression that returns how many instructions can be issued at the
same time if the machine is a superscalar machine. This is only used by
the @samp{Haifa} scheduler, and not the traditional scheduler.
@end table