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| author | Martin Jambor <mjambor@suse.cz> | 2019-06-06 18:31:20 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2019-06-06 18:31:20 +0200 |
| commit | 3b47da42de621c6c3bf7d2f9245df989aa7eb5a1 (patch) | |
| tree | 4c37321fcafb5e38a43aea877ba8703f2d1540a7 /libgcc | |
| parent | beb0086f592563ddd2b14444d4e2495b17b1d4bf (diff) | |
| download | gcc-3b47da42de621c6c3bf7d2f9245df989aa7eb5a1.zip gcc-3b47da42de621c6c3bf7d2f9245df989aa7eb5a1.tar.gz gcc-3b47da42de621c6c3bf7d2f9245df989aa7eb5a1.tar.bz2 | |
Make SRA re-construct orginal memory accesses when easy
2019-06-06 Martin Jambor <mjambor@suse.cz>
* tree-sra.c (struct access): New field grp_same_access_path.
(dump_access): Dump it.
(build_reconstructed_reference): New function.
(build_ref_for_model): Use it if possible.
(path_comparable_for_same_access): New function.
(same_access_path_p): Likewise.
(sort_and_splice_var_accesses): Set the new flag.
(analyze_access_subtree): Likewise.
(propagate_subaccesses_across_link): Propagate zero value of the new
flag down the access tree.
testsuite/
* gcc.dg/tree-ssa/alias-access-path-1.c: Remove -fno-tree-sra option.
* gcc.dg/tree-ssa/ssa-dse-26.c: Disable FRE.
* testsuite/gnat.dg/opt39.adb: Adjust scan dump.
From-SVN: r272012
Diffstat (limited to 'libgcc')
0 files changed, 0 insertions, 0 deletions