diff options
Diffstat (limited to 'gcc/doc/invoke.texi')
-rw-r--r-- | gcc/doc/invoke.texi | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 42e8848169f..7a779da4ef5 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -5365,6 +5365,11 @@ 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 @@ -5390,14 +5395,16 @@ 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. @@ -6823,6 +6830,11 @@ 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 |