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authorZdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>2004-07-10 06:57:58 +0200
committerZdenek Dvorak <rakdver@gcc.gnu.org>2004-07-10 04:57:58 +0000
commita7e5372d6a8e2f12b6d9a15f71d5ad0794e6507f (patch)
tree7fd5b8c64fe84e6fadd94b6c98bdd7f62f3789a2 /gcc/common.opt
parentad6e2a18c2013863e1cf448471e1fa243403eb50 (diff)
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tree-ssa-loop-im.c: New file.
* tree-ssa-loop-im.c: New file. * Makefile.in (tree-ssa-loop-im.o): Add. * cfgloop.c (superloop_at_depth): New function. * cfgloop.h (superloop_at_depth): Declare. * common.opt (ftree-lim): New flag. * expr.c (array_ref_up_bound): New function. * params.def (PARAM_LIM_EXPENSIVE): New parameter. * timevar.def (TV_LIM): New timevar. * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when computing immediate uses of a phi node. * tree-flow.h (struct tree_ann_common_d): Add aux field. (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare. * tree-optimize.c (init_tree_optimization_passes): Add pass_lim. * tree-pass.h (pass_lim): Declare. * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New functions. (pass_lim): New pass structure. * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly. * tree.c (in_array_bounds_p): New function. * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs. (in_array_bounds_p, array_ref_up_bound): Declare. * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document. * doc/passes.texi (tree-ssa-loop-im.c): Document. From-SVN: r84441
Diffstat (limited to 'gcc/common.opt')
-rw-r--r--gcc/common.opt4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt
index cd32081..fd3df7c 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -844,6 +844,10 @@ ftree-fre
Common Report Var(flag_tree_fre)
Enable Full Redundancy Elimination (FRE) on trees
+ftree-lim
+Common Report Var(flag_tree_lim) Init(1)
+Enable loop invariant motion on trees
+
ftree-loop-optimize
Common Report Var(flag_tree_loop_optimize) Init(1)
Enable loop optimizations on tree level