PR tree-optimization/53207
* doc/invoke.texi: Document as experimental and relying on graphite.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184623
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR tree-optimization/53207
+ * doc/invoke.texi: Document as experimental and relying on graphite.
+
2012-02-28 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
@item -floop-flatten
@opindex floop-flatten
Removes the loop nesting structure: transforms the loop nest into a
-single loop. This transformation can be useful to vectorize all the
-levels of the loop nest.
+single loop. This transformation can be useful as an enablement
+transform for vectorization and parallelization. This feature
+is experimental.
+To use this code transformation, GCC has to be configured
+with @option{--with-ppl} and @option{--with-cloog} to enable the
+Graphite loop transformation infrastructure.
@item -floop-parallelize-all
@opindex floop-parallelize-all