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tree-phinodes.c (remove_phi_arg_num): Do not zero the element that's being removed. 

* tree-phinodes.c (remove_phi_arg_num): Do not zero the
	element that's being removed.

From-SVN: r89984
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Kazu Hirata 2004-11-02 13:18:32 +00:00 committed by Kazu Hirata
parent 641e7348d4
commit 54699c021d
2 changed files with 9 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-11-02 Kazu Hirata <kazu@cs.umass.edu>
* tree-phinodes.c (remove_phi_arg_num): Do not zero the
element that's being removed.
2004-11-02 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa-threadupdate.c (copy_phis_to_block): Install PHI

8
gcc/tree-phinodes.c
View File

@ -396,10 +396,10 @@ remove_phi_arg_num (tree phi, int i)
PHI_ARG_NONZERO (phi, i) = PHI_ARG_NONZERO (phi, num_elem - 1);
}
/* Shrink the vector and return. */
SET_PHI_ARG_DEF (phi, num_elem - 1, NULL_TREE);
PHI_ARG_EDGE (phi, num_elem - 1) = NULL;
PHI_ARG_NONZERO (phi, num_elem - 1) = false;
/* Shrink the vector and return. Note that we do not have to clear
PHI_ARG_DEF, PHI_ARG_EDGE, or PHI_ARG_NONZERO because the garbage
collector will not look at those elements beyond the first
PHI_NUM_ARGS elements of the array. */
PHI_NUM_ARGS (phi)--;
}