tree.c (iterative_hash_expr): Canonicalize builtins.
2004-12-23 Dale Johannesen <dalej@apple.com> * tree.c (iterative_hash_expr): Canonicalize builtins. From-SVN: r92553
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2004-12-23 Dale Johannesen <dalej@apple.com>
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* tree.c (iterative_hash_expr): Canonicalize builtins.
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2004-12-23 Alexandre Oliva <aoliva@redhat.com>
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PR target/16819
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14
gcc/tree.c
14
gcc/tree.c
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@ -4130,12 +4130,24 @@ iterative_hash_expr (tree t, hashval_t val)
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for (; t; t = TREE_CHAIN (t))
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val = iterative_hash_expr (TREE_VALUE (t), val);
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return val;
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case FUNCTION_DECL:
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/* When referring to a built-in FUNCTION_DECL, use the
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__builtin__ form. Otherwise nodes that compare equal
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according to operand_equal_p might get different
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hash codes. */
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if (DECL_BUILT_IN (t))
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{
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val = iterative_hash_pointer (built_in_decls[DECL_FUNCTION_CODE (t)],
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val);
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return val;
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}
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/* else FALL THROUGH */
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default:
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class = TREE_CODE_CLASS (code);
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if (class == tcc_declaration)
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{
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/* Decls we can just compare by pointer. */
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/* Otherwise, we can just compare decls by pointer. */
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val = iterative_hash_pointer (t, val);
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}
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else
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