From b60cc080f355e078c923537a0d759467d21d39c0 Mon Sep 17 00:00:00 2001 From: Tobias Grosser Date: Wed, 4 Jul 2012 09:15:09 +0000 Subject: Makefile.in (OBJS): Add graphite-optimize-isl.o. 2012-07-04 Tobias Grosser Michael Matz * Makefile.in (OBJS): Add graphite-optimize-isl.o. (graphite-optimize-isl.o): Add dependencies. * common.opt (floop-nest-optimize): New flag. * doc/invoke.texi (floop-nest-optimize): Document. * graphite-dependences.c (compute_deps): Export. * graphite-poly.h (compute_deps): Declare. * graphite-optimize-isl.c: New file. * graphite-poly.c (apply_poly_transforms): Run the loop nest optimizer. * tree-ssa-loop.c (gate_graphite_transforms): Enable graphite if -floop-nest-optimize is enabled. Co-Authored-By: Michael Matz From-SVN: r189249 --- gcc/doc/invoke.texi | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'gcc/doc/invoke.texi') diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 87e0d1c..c8bfa3c 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -373,7 +373,7 @@ Objective-C and Objective-C++ Dialects}. -fira-loop-pressure -fno-ira-share-save-slots @gol -fno-ira-share-spill-slots -fira-verbose=@var{n} @gol -fivopts -fkeep-inline-functions -fkeep-static-consts @gol --floop-block -floop-interchange -floop-strip-mine @gol +-floop-block -floop-interchange -floop-strip-mine -floop-nest-optimize @gol -floop-parallelize-all -flto -flto-compression-level @gol -flto-partition=@var{alg} -flto-report -fmerge-all-constants @gol -fmerge-constants -fmodulo-sched -fmodulo-sched-allow-regmoves @gol @@ -7367,6 +7367,13 @@ GIMPLE -> GRAPHITE -> GIMPLE transformation. Some minimal optimizations are also performed by the code generator CLooG, like index splitting and dead code elimination in loops. +@item -floop-nest-optimize +@opindex floop-nest-optimize +Enable the ISL based loop nest optimizer. This is a generic loop nest +optimizer based on the Pluto optimization algorithms. It calculates a loop +structure optimized for data-locality and parallelism. This option +is experimental. + @item -floop-parallelize-all @opindex floop-parallelize-all Use the Graphite data dependence analysis to identify loops that can -- cgit v1.1