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Revert part of vect_analyze_early_break_dependences changes

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I've reconsidered my last change to dr_may_alias_p and decided
it was correct before.  The following reverts that change.

	* tree-vect-data-refs.cc (vect_analyze_early_break_dependences):
	Revert last change to dr_may_alias_p.
This commit is contained in:
Richard Biener 2024-02-08 08:16:27 +01:00
parent 56adcd4878
commit 5bd96fed4f
1 changed files with 1 additions and 5 deletions
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6
gcc/tree-vect-data-refs.cc
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@ -772,11 +772,7 @@ vect_analyze_early_break_dependences (loop_vec_info loop_vinfo)
the store. */
for (auto dr_read : bases)
/* Note we're not passing the DRs in stmt order here
since the DR dependence checking routine does not
envision we're moving stores down. The read-write
order tricks it to avoid applying TBAA. */
if (dr_may_alias_p (dr_read, dr_ref, loop_nest))
if (dr_may_alias_p (dr_ref, dr_read, loop_nest))
{
if (dump_enabled_p ())
dump_printf_loc (MSG_MISSED_OPTIMIZATION,