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invoke.texi (-fdump-tree-slp): Document. 

* doc/invoke.texi (-fdump-tree-slp): Document.
	(-ftree-vectorizer-verbose): Update.
	(-ftree-slp-vectorize): Document.

From-SVN: r154907
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Ira Rosen 2009-12-02 13:36:47 +00:00 committed by Ira Rosen
parent 2a14229d98
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2 changed files with 23 additions and 5 deletions
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@ -1,3 +1,9 @@
2009-12-02 Ira Rosen <irar@il.ibm.com>
* doc/invoke.texi (-fdump-tree-slp): Document.
(-ftree-vectorizer-verbose): Update.
(-ftree-slp-vectorize): Document.
2009-12-02 Nick Clifton <nickc@redhat.com>
* config/rx/rx.c (rx_conditional_register_usage): Do not warn if

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gcc/doc/invoke.texi
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@ -5360,6 +5360,11 @@ file name.
Dump each function after applying vectorization of loops. The file name is
made by appending @file{.vect} to the source file name.
@item slp
@opindex fdump-tree-slp
Dump each function after applying vectorization of basic blocks. The file name
is made by appending @file{.slp} to the source file name.
@item vrp
@opindex fdump-tree-vrp
Dump each function after Value Range Propagation (VRP). The file name
@ -5385,14 +5390,16 @@ inner-most, single-bb, single-entry/exit loops. This is the same verbosity
level that @option{-fdump-tree-vect-stats} uses.
Higher verbosity levels mean either more information dumped for each
reported loop, or same amount of information reported for more loops:
If @var{n}=3, alignment related information is added to the reports.
If @var{n}=4, data-references related information (e.g.@: memory dependences,
if @var{n}=3, vectorizer cost model information is reported.
If @var{n}=4, alignment related information is added to the reports.
If @var{n}=5, data-references related information (e.g.@: memory dependences,
memory access-patterns) is added to the reports.
If @var{n}=5, the vectorizer reports also non-vectorized inner-most loops
If @var{n}=6, the vectorizer reports also non-vectorized inner-most loops
that did not pass the first analysis phase (i.e., may not be countable, or
may have complicated control-flow).
If @var{n}=6, the vectorizer reports also non-vectorized nested loops.
For @var{n}=7, all the information the vectorizer generates during its
If @var{n}=7, the vectorizer reports also non-vectorized nested loops.
If @var{n}=8, SLP related information is added to the reports.
For @var{n}=9, all the information the vectorizer generates during its
analysis and transformation is reported. This is the same verbosity level
that @option{-fdump-tree-vect-details} uses.
@ -6818,6 +6825,11 @@ enabled by default at @option{-O} and higher.
Perform loop vectorization on trees. This flag is enabled by default at
@option{-O3}.
@item -ftree-slp-vectorize
@opindex ftree-slp-vectorize
Perform basic block vectorization on trees. This flag is enabled by default at
@option{-O3} and when @option{-ftree-vectorize} is enabled.
@item -ftree-vect-loop-version
@opindex ftree-vect-loop-version
Perform loop versioning when doing loop vectorization on trees. When a loop