[PATCH] Remove the signed_type lang hook

[Rafael Espindola]

This patch removes the signed_type language hook. The general strategy
is to use signed_type_for or signed_or_unsigned_type.

gcc/java:
	* typeck.c (java_signed_type): Remove.
	* lang.c (LANG_HOOKS_SIGNED_TYPE): Remove.
	* java-tree.h (java_signed_type): Remove.

gcc:
	* tree.c (get_unsigned_type): Remove.
	(unsigned_type_for): Call get_signed_or_unsigned_type instead of
	get_unsigned_type.
	(signed_type_for): Call get_signed_or_unsigned_type instead of
	lang_hooks.types.signed_type.
	* fold-const.c (fold_negate_expr): Call signed_type_for instead of
	lang_hooks.types.signed_type.
	(size_diffop): Likewise.
	(all_ones_mask_p): Likewise.
	(build_range_check): Likewise.
	(fold_cond_expr_with_comparison): Likewise.
	(unextend): Likewise.
	(extract_muldiv_1): Likewise.
	(fold_single_bit_test_into_sign_test): Likewise.
	(fold_binary): Likewise.
	(fold_ternary): Likewise.
	* c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
	* c-format.c (check_format_types): Use signed_type_for instead of
	c_common_signed_type.
	* c-decl.c (grokdeclarator): Likewise.
	* langhooks.h (signed_type): Likewise.
	* c-typeck.c (build_binary_op): Use signed_type_for instead of
	c_common_signed_type.
	* expmed.c (make_tree): Use signed_type_for instead of
	lang_hooks.types.signed_type.
	* c-common.c (warnings_for_convert_and_check): Use signed_type_for instead of
	c_common_signed_type.
	(c_common_signed_type): Remove.
	(shorten_compare): Use signed_type_for instead of c_common_signed_type.
	(c_common_get_alias_set): Likewise.
	(c_common_nodes_and_builtins): Likewise.
	(same_scalar_type_ignoring_signedness): Use signed_type_for instead of
	lang_hooks.types.signed_type.
	* c-common.h (c_common_signed_type): Remove.
	* convert.c (convert_to_integer): Use signed_type_for instead of
	lang_hooks.types.signed_type.
	* langhooks-def.h (LANG_HOOKS_SIGNED_TYPE): Remove.

gcc/cp:
	* typeck.c (build_binary_op): Use signed_type_for instead of
c_common_signed_type.
	* cp-objcp-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.

gcc/ada:
	* misc.c (LANG_HOOKS_SIGNED_TYPE): Remove.

gcc/fortran:
	* trans-types.c (gfc_signed_type): Remove.
	* trans-types.h (gfc_signed_type): Remove.
	* f95-lang.c (LANG_HOOKS_SIGNED_TYPE): Remove.

gcc/treelang:
	* treelang/treetree.c (tree_lang_signed_type): Remove.
	(LANG_HOOKS_SIGNED_TYPE): Remove.

-- 
Rafael Avila de Espindola

Google Ireland Ltd.
Gordon House
Barrow Street
Dublin 4
Ireland

Registered in Dublin, Ireland
Registration Number: 368047
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