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| author | Bin Cheng <bin.cheng@arm.com> | 2017-12-07 18:03:53 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2017-12-07 18:03:53 +0000 |
| commit | fbdec14e80e9399cd301ed30340268bdc5b5c2eb (patch) | |
| tree | 6174dc33b68cbeea645678d9d23bde9cd4603643 /gcc/tree-vectorizer.h | |
| parent | 75214935bee043e659ca7172a84451ded10e8987 (diff) | |
| download | gcc-fbdec14e80e9399cd301ed30340268bdc5b5c2eb.zip gcc-fbdec14e80e9399cd301ed30340268bdc5b5c2eb.tar.gz gcc-fbdec14e80e9399cd301ed30340268bdc5b5c2eb.tar.bz2 | |
re PR tree-optimization/81303 (410.bwaves regression caused by r249919)
PR tree-optimization/81303
* Makefile.in (gimple-loop-interchange.o): New object file.
* common.opt (floop-interchange): Reuse the option from graphite.
* doc/invoke.texi (-floop-interchange): Ditto. New document for
-floop-interchange and mention it for -O3.
* opts.c (default_options_table): Enable -floop-interchange at -O3.
* gimple-loop-interchange.cc: New file.
* params.def (PARAM_LOOP_INTERCHANGE_MAX_NUM_STMTS): New parameter.
(PARAM_LOOP_INTERCHANGE_STRIDE_RATIO): New parameter.
* passes.def (pass_linterchange): New pass.
* timevar.def (TV_LINTERCHANGE): New time var.
* tree-pass.h (make_pass_linterchange): New declaration.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Change to external
interchange. Record IV before/after increment in new parameters.
* tree-ssa-loop-ivopts.h (create_canonical_iv): New declaration.
* tree-vect-loop.c (vect_is_simple_reduction): Factor out reduction
path check into...
(check_reduction_path): ...New function here.
* tree-vectorizer.h (check_reduction_path): New declaration.
gcc/testsuite
* gcc.dg/tree-ssa/loop-interchange-1.c: New test.
* gcc.dg/tree-ssa/loop-interchange-1b.c: New test.
* gcc.dg/tree-ssa/loop-interchange-2.c: New test.
* gcc.dg/tree-ssa/loop-interchange-3.c: New test.
* gcc.dg/tree-ssa/loop-interchange-4.c: New test.
* gcc.dg/tree-ssa/loop-interchange-5.c: New test.
* gcc.dg/tree-ssa/loop-interchange-6.c: New test.
* gcc.dg/tree-ssa/loop-interchange-7.c: New test.
* gcc.dg/tree-ssa/loop-interchange-8.c: New test.
* gcc.dg/tree-ssa/loop-interchange-9.c: New test.
* gcc.dg/tree-ssa/loop-interchange-10.c: New test.
* gcc.dg/tree-ssa/loop-interchange-11.c: New test.
* gcc.dg/tree-ssa/loop-interchange-12.c: New test.
* gcc.dg/tree-ssa/loop-interchange-13.c: New test.
Co-Authored-By: Richard Biener <rguenther@suse.de>
From-SVN: r255472
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 06224f9..56811e5 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -1255,6 +1255,9 @@ extern tree vect_create_addr_base_for_vector_ref (gimple *, gimple_seq *, /* FORNOW: Used in tree-parloops.c. */ extern gimple *vect_force_simple_reduction (loop_vec_info, gimple *, bool *, bool); +/* Used in gimple-loop-interchange.c. */ +extern bool check_reduction_path (location_t, loop_p, gphi *, tree, + enum tree_code); /* Drive for loop analysis stage. */ extern loop_vec_info vect_analyze_loop (struct loop *, loop_vec_info); extern tree vect_build_loop_niters (loop_vec_info, bool * = NULL); |