diff options
| author | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-09-03 20:05:42 +0000 |
|---|---|---|
| committer | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-09-03 20:05:42 +0000 |
| commit | 9ff256032c64eeed5baff9dfe5e0bf42dfbc3229 (patch) | |
| tree | 3121c570d8493a5ae6a5f6645bb5df55a57f04dd /gcc/tree-data-ref.c | |
| parent | 6759eb68d2e10fd8493a7eecd0c0e13b0f076bbb (diff) | |
| download | gcc-9ff256032c64eeed5baff9dfe5e0bf42dfbc3229.tar.gz | |
Use DR_IS_WRITE instead of !DR_IS_READ.
2010-09-03 Sebastian Pop <sebastian.pop@amd.com>
* tree-data-ref.c (dr_may_alias_p): Replace !DR_IS_READ with
DR_IS_WRITE.
(compute_all_dependences): Same.
(create_rdg_edge_for_ddr): Same.
* tree-data-ref.h (DR_IS_WRITE): New.
(ddr_is_anti_dependent): Replace !DR_IS_READ with DR_IS_WRITE.
* tree-if-conv.c (write_memrefs_written_at_least_once): Same.
(write_memrefs_written_at_least_once): Same.
* tree-predcom.c (suitable_component_p): Same.
(determine_roots_comp): Same.
(execute_load_motion): Same.
* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Same.
(vect_enhance_data_refs_alignment): Same.
(vect_analyze_group_access): Same.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163841 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index ee181a69720..e1d2dfcadca 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -1335,12 +1335,12 @@ dr_may_alias_p (const struct data_reference *a, const struct data_reference *b) return false; /* Query the alias oracle. */ - if (!DR_IS_READ (a) && !DR_IS_READ (b)) + if (DR_IS_WRITE (a) && DR_IS_WRITE (b)) { if (!refs_output_dependent_p (DR_REF (a), DR_REF (b))) return false; } - else if (DR_IS_READ (a) && !DR_IS_READ (b)) + else if (DR_IS_READ (a) && DR_IS_WRITE (b)) { if (!refs_anti_dependent_p (DR_REF (a), DR_REF (b))) return false; @@ -1372,7 +1372,7 @@ dr_may_alias_p (const struct data_reference *a, const struct data_reference *b) decl_b = SSA_NAME_VAR (addr_b); if (TYPE_RESTRICT (type_a) && TYPE_RESTRICT (type_b) - && (!DR_IS_READ (a) || !DR_IS_READ (b)) + && (DR_IS_WRITE (a) || DR_IS_WRITE (b)) && decl_a && DECL_P (decl_a) && decl_b && DECL_P (decl_b) && decl_a != decl_b @@ -4107,7 +4107,7 @@ compute_all_dependences (VEC (data_reference_p, heap) *datarefs, FOR_EACH_VEC_ELT (data_reference_p, datarefs, i, a) for (j = i + 1; VEC_iterate (data_reference_p, datarefs, j, b); j++) - if (!DR_IS_READ (a) || !DR_IS_READ (b) || compute_self_and_rr) + if (DR_IS_WRITE (a) || DR_IS_WRITE (b) || compute_self_and_rr) { ddr = initialize_data_dependence_relation (a, b, loop_nest); VEC_safe_push (ddr_p, heap, *dependence_relations, ddr); @@ -4772,11 +4772,11 @@ create_rdg_edge_for_ddr (struct graph *rdg, ddr_p ddr) /* Determines the type of the data dependence. */ if (DR_IS_READ (dra) && DR_IS_READ (drb)) RDGE_TYPE (e) = input_dd; - else if (!DR_IS_READ (dra) && !DR_IS_READ (drb)) + else if (DR_IS_WRITE (dra) && DR_IS_WRITE (drb)) RDGE_TYPE (e) = output_dd; - else if (!DR_IS_READ (dra) && DR_IS_READ (drb)) + else if (DR_IS_WRITE (dra) && DR_IS_READ (drb)) RDGE_TYPE (e) = flow_dd; - else if (DR_IS_READ (dra) && !DR_IS_READ (drb)) + else if (DR_IS_READ (dra) && DR_IS_WRITE (drb)) RDGE_TYPE (e) = anti_dd; } |