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re PR tree-optimization/52307 (Segmentation fault in Lapack with -O3 -floop-flatten -floop-strip-mine)

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2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR tree-optimization/53207
	* doc/invoke.texi: Document as experimental and relying on graphite.

From-SVN: r184623
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Thomas Koenig 2012-02-28 10:10:12 +00:00 committed by Richard Biener
parent f37cf6a901
commit b0eaa5b493
2 changed files with 11 additions and 2 deletions
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@ -1,3 +1,8 @@
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> 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part

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gcc/doc/invoke.texi
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@ -7289,8 +7289,12 @@ dead code elimination in loops.
@item -floop-flatten @item -floop-flatten
@opindex floop-flatten @opindex floop-flatten
Removes the loop nesting structure: transforms the loop nest into a Removes the loop nesting structure: transforms the loop nest into a
single loop. This transformation can be useful to vectorize all the single loop. This transformation can be useful as an enablement
levels of the loop nest. 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 @item -floop-parallelize-all
@opindex floop-parallelize-all @opindex floop-parallelize-all