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tree-data-ref.c (initialize_data_dependence_relation): Update 

* tree-data-ref.c (initialize_data_dependence_relation): Update
        * comment for the 
        self dependence case.
        (compute_self_dependence): Remove.
        * tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to 
        compute_self_dependenc.

From-SVN: r181691
This commit is contained in:
Razya Ladelsky 2011-11-24 14:07:36 +00:00 committed by Razya Ladelsky
parent 36b0e7519f
commit fea99a375a
3 changed files with 8 additions and 16 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2011-11-24 Razya Ladelsky <razya@il.ibm.com>
* tree-data-ref.c (initialize_data_dependence_relation): Update
comment for the self dependence case.
(compute_self_dependence): Remove.
* tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to
compute_self_dependenc.
2011-11-24 Alan Modra <amodra@gmail.com>
* c-decl.c (warn_if_shadowing): Don't warn if shadowed

16
gcc/tree-data-ref.c
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@ -1385,8 +1385,7 @@ initialize_data_dependence_relation (struct data_reference *a,
return res;
}
/* When the references are exactly the same, don't spend time doing
the data dependence tests, just initialize the ddr and return. */
/* The case where the references are exactly the same. */
if (operand_equal_p (DR_REF (a), DR_REF (b), 0))
{
if (loop_nest
@ -4132,19 +4131,6 @@ compute_affine_dependence (struct data_dependence_relation *ddr,
fprintf (dump_file, ")\n");
}
/* This computes the dependence relation for the same data
reference into DDR. */
void
compute_self_dependence (struct data_dependence_relation *ddr)
{
if (DDR_ARE_DEPENDENT (ddr) != NULL_TREE)
return;
if (DDR_LOOP_NEST (ddr))
compute_affine_dependence (ddr, VEC_index (loop_p, DDR_LOOP_NEST (ddr), 0));
}
/* Compute in DEPENDENCE_RELATIONS the data dependence graph for all
the data references in DATAREFS, in the LOOP_NEST. When
COMPUTE_SELF_AND_RR is FALSE, don't compute read-read and self

1
gcc/tree-vect-data-refs.c
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@ -3122,7 +3122,6 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo,
ddr = VEC_index (ddr_p, ddrs, k);
gcc_assert (DDR_A (ddr) == olddr && DDR_B (ddr) == olddr);
newddr = initialize_data_dependence_relation (dr, dr, nest);
compute_self_dependence (newddr);
VEC_replace (ddr_p, ddrs, k, newddr);
free_dependence_relation (ddr);
VEC_replace (data_reference_p, datarefs, i, dr);