Re: [PATCH 3/3] Add -ftree-loop-distribute-patterns.

[Sebastian Pop <sebpop at gmail dot com>]

I forgot this part in the patch below:

diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c
index c677ecb..34d6e21 100644
--- a/gcc/tree-loop-distribution.c
+++ b/gcc/tree-loop-distribution.c
@@ -1237,7 +1237,8 @@ static bool
 gate_tree_loop_distribution (void)
 {
   return flag_tree_loop_distribution
-    || flag_tree_loop_distribute_memset_zero;
+    || flag_tree_loop_distribute_memset_zero
+    || flag_tree_loop_distribute_patterns;
 }

 struct gimple_opt_pass pass_loop_distribution =


On Sat, Jul 31, 2010 at 10:27, Sebastian Pop <sebpop@gmail.com> wrote:
> ---
> ?gcc/common.opt ? ? ? ? ? ? ? | ? ?4 ++++
> ?gcc/doc/invoke.texi ? ? ? ? ?| ? ?5 +++++
> ?gcc/tree-loop-distribution.c | ? ?3 ++-
> ?3 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/gcc/common.opt b/gcc/common.opt
> index 77cf58e..a9fcdd2 100644
> --- a/gcc/common.opt
> +++ b/gcc/common.opt
> @@ -1341,6 +1341,10 @@ ftree-loop-distribute-memset-zero
> ?Common Report Var(flag_tree_loop_distribute_memset_zero) Optimization
> ?Enable loop distribution of initialization loops using memset zero
>
> +ftree-loop-distribute-patterns
> +Common Report Var(flag_tree_loop_distribute_patterns) Optimization
> +Enable loop distribution of patterns code generated with calls to a library
> +
> ?ftree-loop-im
> ?Common Report Var(flag_tree_loop_im) Init(1) Optimization
> ?Enable loop invariant motion on trees
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index ca3238c..b9b8b22 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -385,6 +385,7 @@ Objective-C and Objective-C++ Dialects}.
> ?-ftree-copyrename -ftree-dce -ftree-dominator-opts -ftree-dse @gol
> ?-ftree-forwprop -ftree-fre -ftree-loop-if-convert -ftree-loop-im @gol
> ?-ftree-phiprop -ftree-loop-distribution -ftree-loop-distribute-memset-zero @gol
> +-ftree-loop-distribute-patterns @gol
> ?-ftree-loop-ivcanon -ftree-loop-linear -ftree-loop-optimize @gol
> ?-ftree-parallelize-loops=@var{n} -ftree-pre -ftree-pta -ftree-reassoc @gol
> ?-ftree-sink -ftree-sra -ftree-switch-conversion @gol
> @@ -6946,6 +6947,10 @@ ENDDO
> ?and the initialization loop is transformed into a call to memset zero.
> ?This flag is enabled by default at @option{-O3}.
>
> +@item -ftree-loop-distribute-patterns
> +Perform loop distribution of patterns that can be code generated with
> +calls to a library. ?This enables @option{-ftree-loop-distribute-memset-zero}.
> +
> ?@item -ftree-loop-im
> ?@opindex ftree-loop-im
> ?Perform loop invariant motion on trees. ?This pass moves only invariants that
> diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c
> index 920f744..c677ecb 100644
> --- a/gcc/tree-loop-distribution.c
> +++ b/gcc/tree-loop-distribution.c
> @@ -1187,7 +1187,8 @@ tree_loop_distribution (void)
> ? ? ? /* If both flag_tree_loop_distribute_memset_zero and
> ? ? ? ? flag_tree_loop_distribution are set, then only memset_zero is
> ? ? ? ? executed. ?*/
> - ? ? ?if (flag_tree_loop_distribute_memset_zero)
> + ? ? ?if (flag_tree_loop_distribute_memset_zero
> + ? ? ? ? || flag_tree_loop_distribute_patterns)
> ? ? ? ?{
> ? ? ? ? ?/* With the following working list, we're asking
> ? ? ? ? ? ? distribute_loop to separate from the rest of the loop the
> --
> 1.7.0.4
>
>