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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-10-09 07:07:15 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-10-09 07:07:15 +0000 |
| commit | 7bd530d97ac94ef8540dd2bb9c9549828f6293ef (patch) | |
| tree | 2f06dba4798e87e7c5ac176d0fe66b8e2a3dc3ec /gcc/doc | |
| parent | 17b316d9df91377796f9155ec47e598de5d7b1b5 (diff) | |
| download | ppe42-gcc-7bd530d97ac94ef8540dd2bb9c9549828f6293ef.tar.gz ppe42-gcc-7bd530d97ac94ef8540dd2bb9c9549828f6293ef.zip | |
* invoke.texi (align-threshold, align-loop-iterations): Document.
* final.c: Include cfgloop.h, params.h
(compute_alignments): Dump decisions and compare them with loop
structure; honor given parameters.
(pass_compute_alignments): New dump file.
* params.def (PARAM_ALIGN_THRESHOLD, PARAM_ALIGN_LOOP_ITERATIONS): New.
* Makefile.in (final.o): Add dependency on cfgloop.h and params.h
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129162 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index ab7da0fd167..e5318eb2f26 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6873,6 +6873,16 @@ with unknown. We predict the known number of iterations correctly, while the unknown number of iterations average to roughly 10. This means that the loop without bounds would appear artificially cold relative to the other one. +@item align-threshold + +Select fraction of the maximal frequency of executions of basic block in +function given basic block will get aligned. + +@item align-loop-iterations + +A loop expected to iterate at lest the selected number of iterations will get +aligned. + @item tracer-dynamic-coverage @itemx tracer-dynamic-coverage-feedback |
