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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-10 04:57:58 +0000 |
|---|---|---|
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-10 04:57:58 +0000 |
| commit | 7d23383d23bf777ea4201c1ebf168bc595ec13a6 (patch) | |
| tree | 7fd5b8c64fe84e6fadd94b6c98bdd7f62f3789a2 /gcc/params.def | |
| parent | 1e61e8f00147221ae46ecfb14cb3a79cfc1defa2 (diff) | |
| download | gcc-7d23383d23bf777ea4201c1ebf168bc595ec13a6.tar.gz | |
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84441 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 56d83609a29..4b5a9ce7b93 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -312,6 +312,13 @@ DEFPARAM(PARAM_MAX_CSE_PATH_LENGTH, "The maximum length of path considered in cse", 10) +/* The cost of expression in loop invariant motion that is considered + expensive. */ +DEFPARAM(PARAM_LIM_EXPENSIVE, + "lim-expensive", + "The minimum cost of an expensive expression in the loop invariant motion", + 20) + /* The product of the next two is used to decide whether or not to use .GLOBAL_VAR. See tree-dfa.c. */ DEFPARAM(PARAM_GLOBAL_VAR_THRESHOLD, |