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| author | Michael Meissner <meissner@gcc.gnu.org> | 1997-10-22 02:06:18 +0000 |
|---|---|---|
| committer | Michael Meissner <meissner@gcc.gnu.org> | 1997-10-22 02:06:18 +0000 |
| commit | 70cfa7adbd48f6c95d7cd1bea364fb516ac59cf7 (patch) | |
| tree | e2ca16af85c1c4e8f9fb1b15e2a261004a8e7aa5 /gcc | |
| parent | c1e385dbd186ebe3f9649323551d26bd3ea25c00 (diff) | |
| download | gcc-70cfa7adbd48f6c95d7cd1bea364fb516ac59cf7.zip gcc-70cfa7adbd48f6c95d7cd1bea364fb516ac59cf7.tar.gz gcc-70cfa7adbd48f6c95d7cd1bea364fb516ac59cf7.tar.bz2 | |
Add documentation for Haifa ISSUE_RATE
From-SVN: r16145
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tm.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tm.texi b/gcc/tm.texi index 0b95dbf..007747c 100644 --- a/gcc/tm.texi +++ b/gcc/tm.texi @@ -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 |