OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

tree-ssa-alias.c (nonoverlapping_component_refs_since_match_p): Fix check for match in the ref walk.

Browse Source 
* tree-ssa-alias.c (nonoverlapping_component_refs_since_match_p):
	Fix check for match in the ref walk.

From-SVN: r273090
This commit is contained in:
Jan Hubicka 2019-07-04 18:30:53 +02:00 committed by Jan Hubicka
parent 2b442504a0
commit 532bb2f908
2 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2019-07-04 Jan Hubicka <jh@suse.cz>
* tree-ssa-alias.c (nonoverlapping_component_refs_since_match_p):
Fix check for match in the ref walk.
2019-07-04 Martin Liska <mliska@suse.cz>
* tree-ssa-loop-niter.c (get_upper_bound_based_on_builtin_expr_with_prob):

8
gcc/tree-ssa-alias.c
View File

@ -1153,15 +1153,13 @@ nonoverlapping_component_refs_since_match_p (tree match1, tree ref1,
auto_vec<tree, 16> component_refs2;
/* Create the stack of handled components for REF1. */
while (handled_component_p (ref1))
while (handled_component_p (ref1) && ref1 != match1)
{
if (TREE_CODE (ref1) == VIEW_CONVERT_EXPR
|| TREE_CODE (ref1) == BIT_FIELD_REF)
component_refs1.truncate (0);
else
component_refs1.safe_push (ref1);
if (ref1 == match1)
break;
ref1 = TREE_OPERAND (ref1, 0);
}
if (TREE_CODE (ref1) == MEM_REF && ref1 != match1)
@ -1180,15 +1178,13 @@ nonoverlapping_component_refs_since_match_p (tree match1, tree ref1,
}
/* Create the stack of handled components for REF2. */
while (handled_component_p (ref2))
while (handled_component_p (ref2) && ref2 != match2)
{
if (TREE_CODE (ref2) == VIEW_CONVERT_EXPR
|| TREE_CODE (ref2) == BIT_FIELD_REF)
component_refs2.truncate (0);
else
component_refs2.safe_push (ref2);
if (ref2 == match2)
break;
ref2 = TREE_OPERAND (ref2, 0);
}
if (TREE_CODE (ref2) == MEM_REF && ref2 != match2)