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options: use cl_optimization_hash.

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gcc/ChangeLog:

	* tree.c (cl_option_hasher::hash): Use cl_optimization_hash
	and remove legacy hashing code.
This commit is contained in:
Martin Liska 2021-10-08 09:40:16 +02:00
parent 4e5bc4e450
commit 9abf8c9534
1 changed files with 1 additions and 18 deletions
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19
gcc/tree.c
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@ -11473,30 +11473,13 @@ hashval_t
cl_option_hasher::hash (tree x)
{
const_tree const t = x;
const char *p;
size_t i;
size_t len = 0;
hashval_t hash = 0;
if (TREE_CODE (t) == OPTIMIZATION_NODE)
{
p = (const char *)TREE_OPTIMIZATION (t);
len = sizeof (struct cl_optimization);
}
return cl_optimization_hash (TREE_OPTIMIZATION (t));
else if (TREE_CODE (t) == TARGET_OPTION_NODE)
return cl_target_option_hash (TREE_TARGET_OPTION (t));
else
gcc_unreachable ();
/* assume most opt flags are just 0/1, some are 2-3, and a few might be
something else. */
for (i = 0; i < len; i++)
if (p[i])
hash = (hash << 4) ^ ((i << 2) | p[i]);
return hash;
}
/* Return nonzero if the value represented by *X (an OPTIMIZATION or