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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-01-13 15:42:08 +0000 |
|---|---|---|
| committer | Dongkyun Son <dongkyun.s@samsung.com> | 2017-09-04 10:33:44 +0900 |
| commit | 04f427c7aa9f2d53b1cfe18704857dc74bd5dd0b (patch) | |
| tree | cb38d621e3e8eefeda279eafcb006e598ca2dec7 /gcc/params.def | |
| parent | c77483e67bdcb1f14614db5ee051f5b05199af6d (diff) | |
| download | linaro-gcc-sandbox/dkson95/memset.tar.gz linaro-gcc-sandbox/dkson95/memset.tar.bz2 linaro-gcc-sandbox/dkson95/memset.zip | |
PR tree-optimization/33562sandbox/dkson95/memset
PR tree-optimization/61912
PR tree-optimization/77485
* doc/invoke.texi: Document new dse-max-object-size param.
* params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
* tree-ssa-dse.c: Include params.h.
(dse_store_status): New enum.
(initialize_ao_ref_for_dse): New, partially extracted from
dse_optimize_stmt.
(valid_ao_ref_for_dse, normalize_ref): New.
(setup_live_bytes_from_ref, compute_trims): Likewise.
(clear_bytes_written_by, maybe_trim_complex_store): Likewise.
(maybe_trim_partially_dead_store): Likewise.
(maybe_trim_complex_store): Likewise.
(dse_classify_store): Renamed from dse_possibly_dead_store_p.
Track what bytes live from the original store. Return tri-state
for dead, partially dead or live.
(dse_dom_walker): Add constructor, destructor and new private members.
(delete_dead_call, delete_dead_assignment): New extracted from
dse_optimize_stmt.
(dse_optimize_stmt): Make a member of dse_dom_walker.
Use initialize_ao_ref_for_dse.
PR tree-optimization/33562
PR tree-optimization/61912
PR tree-optimization/77485
* gcc.dg/tree-ssa/complex-4.c: Remove xfail.
* gcc.dg/tree-ssa/complex-5.c: Likewise.
* gcc.dg/tree-ssa/ssa-dse-9.c: Likewise.
* gcc.dg/tree-ssa/ssa-dse-18.c: New test.
* gcc.dg/tree-ssa/ssa-dse-19.c: Likewise.
* gcc.dg/tree-ssa/ssa-dse-20.c: Likewise.
* gcc.dg/tree-ssa/ssa-dse-21.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244442 138bc75d-0d04-0410-961f-82ee72b054a4
Conflicts:
gcc/ChangeLog
gcc/doc/invoke.texi
gcc/params.def
gcc/testsuite/ChangeLog
gcc/tree-ssa-dse.c
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 9e05401f028..4f68f75aff0 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -520,6 +520,11 @@ DEFPARAM(PARAM_IV_ALWAYS_PRUNE_CAND_SET_BOUND, "If number of candidates in the set is smaller, we always try to remove unused ivs during its optimization.", 10, 0, 0) +DEFPARAM(PARAM_DSE_MAX_OBJECT_SIZE, + "dse-max-object-size", + "Maximum size (in bytes) of objects tracked bytewise by dead store elimination.", + 256, 0, 0) + DEFPARAM(PARAM_SCEV_MAX_EXPR_SIZE, "scev-max-expr-size", "Bound on size of expressions used in the scalar evolutions analyzer.", |