This patch adds an inchash hasher for wide_int-based types.
It means that hash_tree no longer hashes TREE_INT_CST_EXT_NUNITS,
but that was redundant with hashing the type.
2017-10-22 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* inchash.h (inchash::hash::add_wide_int): New function.
* lto-streamer-out.c (hash_tree): Use it.
From-SVN: r253988
2017-10-22 Richard Sandiford <richard.sandiford@linaro.org>
+ * inchash.h (inchash::hash::add_wide_int): New function.
+ * lto-streamer-out.c (hash_tree): Use it.
+
+2017-10-22 Richard Sandiford <richard.sandiford@linaro.org>
+
* inchash.h (inchash::hash::add_wide_int): Rename to...
(inchash::hash::add_hwi): ...this.
* ipa-devirt.c (hash_odr_vtable): Update accordingly.
val = iterative_hash_host_wide_int (v, val);
}
+ /* Add wide_int-based value V. */
+ template<typename T>
+ void add_wide_int (const generic_wide_int<T> &x)
+ {
+ add_int (x.get_len ());
+ for (unsigned i = 0; i < x.get_len (); i++)
+ add_hwi (x.elt (i));
+ }
+
/* Hash in pointer PTR. */
void add_ptr (const void *ptr)
{
hstate.commit_flag ();
if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
- {
- int i;
- hstate.add_hwi (TREE_INT_CST_NUNITS (t));
- hstate.add_hwi (TREE_INT_CST_EXT_NUNITS (t));
- for (i = 0; i < TREE_INT_CST_NUNITS (t); i++)
- hstate.add_hwi (TREE_INT_CST_ELT (t, i));
- }
+ hstate.add_wide_int (wi::to_widest (t));
if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
{