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From-SVN: r1516
This commit is contained in:
Richard Kenner 1992-07-08 06:30:11 -04:00
parent 2e0e2b76be
commit 508f8149cc
1 changed files with 12 additions and 16 deletions
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28
gcc/tree.c
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@ -840,6 +840,9 @@ make_node (code)
tree_node_sizes[(int)kind] += length;
#endif
/* We assume here that the length of a tree node is a multiple of the
size of an int. Rounding up won't work because it would clobber
the next object. */
for (i = (length / sizeof (int)) - 1; i >= 0; i--)
((int *) t)[i] = 0;
@ -932,9 +935,7 @@ copy_node (node)
t = (tree) obstack_alloc (current_obstack, length);
for (i = ((length + sizeof (int) - 1) / sizeof (int)) - 1;
i >= 0;
i--)
for (i = (length / sizeof (int)) - 1; i >= 0; i--)
((int *) t)[i] = ((int *) node)[i];
TREE_CHAIN (t) = 0;
@ -1199,12 +1200,9 @@ make_tree_vec (len)
t = (tree) obstack_alloc (obstack, length);
TREE_TYPE (t) = 0;
TREE_CHAIN (t) = 0;
for (i = (length / sizeof (int)) - 1;
i >= sizeof (struct tree_common) / sizeof (int) - 1;
i--)
for (i = (length / sizeof (int)) - 1; i >= 0; i--)
((int *) t)[i] = 0;
TREE_SET_CODE (t, TREE_VEC);
TREE_VEC_LENGTH (t) = len;
if (obstack == &permanent_obstack)
@ -1563,11 +1561,12 @@ tree_cons (purpose, value, chain)
tree_node_sizes[(int)x_kind] += sizeof (struct tree_list);
#endif
((int *)node)[(sizeof (struct tree_common)/sizeof (int)) - 1] = 0;
for (i = (sizeof (struct tree_common) / sizeof (int)) - 1; i >= 0; i--)
((int *) t)[i] = 0;
TREE_SET_CODE (node, TREE_LIST);
if (current_obstack == &permanent_obstack)
TREE_PERMANENT (node) = 1;
TREE_TYPE (node) = 0;
#endif
TREE_CHAIN (node) = chain;
@ -2005,13 +2004,10 @@ build1 (code, type, node)
tree_node_sizes[(int)kind] += length;
#endif
TREE_TYPE (t) = type;
TREE_CHAIN (t) = 0;
for (i = (length / sizeof (int)) - 2;
i >= sizeof (struct tree_common) / sizeof (int) - 1;
i--)
for (i = (length / sizeof (int)) - 1; i >= 0; i--)
((int *) t)[i] = 0;
TREE_TYPE (t) = type;
TREE_SET_CODE (t, code);
if (obstack == &permanent_obstack)