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| author | Aldy Hernandez <aldyh@redhat.com> | 2020-06-17 07:50:57 -0400 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2020-06-17 07:50:57 -0400 |
| commit | b9e67f2840ce0d8859d96e7f8df8fe9584af5eba (patch) | |
| tree | ed3b7284ff15c802583f6409b9c71b3739642d15 /gcc/tree-data-ref.c | |
| parent | 1957047ed1c94bf17cf993a2b1866965f493ba87 (diff) | |
| parent | 56638b9b1853666f575928f8baf17f70e4ed3517 (diff) | |
| download | gcc-b9e67f2840ce0d8859d96e7f8df8fe9584af5eba.zip gcc-b9e67f2840ce0d8859d96e7f8df8fe9584af5eba.tar.gz gcc-b9e67f2840ce0d8859d96e7f8df8fe9584af5eba.tar.bz2 | |
Merge from trunk at:
commit 56638b9b1853666f575928f8baf17f70e4ed3517
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date: Wed Jun 17 00:16:36 2020 +0000
Daily bump.
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index e2ea5b8..5505ba4 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1751,7 +1751,7 @@ create_ifn_alias_checks (tree *cond_expr, return false; /* Make sure that both DRs access the same pattern of bytes, - with a constant length and and step. */ + with a constant length and step. */ poly_uint64 seg_len; if (!operand_equal_p (dr_a.seg_len, dr_b.seg_len, 0) || !poly_int_tree_p (dr_a.seg_len, &seg_len) @@ -4821,17 +4821,19 @@ build_classic_dist_vector_1 (struct data_dependence_relation *ddr, return true; } -/* Return true when the DDR contains only constant access functions. */ +/* Return true when the DDR contains only invariant access functions wrto. loop + number LNUM. */ static bool -constant_access_functions (const struct data_dependence_relation *ddr) +invariant_access_functions (const struct data_dependence_relation *ddr, + int lnum) { unsigned i; subscript *sub; FOR_EACH_VEC_ELT (DDR_SUBSCRIPTS (ddr), i, sub) - if (!evolution_function_is_constant_p (SUB_ACCESS_FN (sub, 0)) - || !evolution_function_is_constant_p (SUB_ACCESS_FN (sub, 1))) + if (!evolution_function_is_invariant_p (SUB_ACCESS_FN (sub, 0), lnum) + || !evolution_function_is_invariant_p (SUB_ACCESS_FN (sub, 1), lnum)) return false; return true; @@ -5030,7 +5032,7 @@ build_classic_dist_vector (struct data_dependence_relation *ddr, dist_v = lambda_vector_new (DDR_NB_LOOPS (ddr)); save_dist_v (ddr, dist_v); - if (constant_access_functions (ddr)) + if (invariant_access_functions (ddr, loop_nest->num)) add_distance_for_zero_overlaps (ddr); if (DDR_NB_LOOPS (ddr) > 1) |