gcc/gcc/treestruct.def
Chao-ying Fu 325217edf0 tree.def (FIXED_POINT_TYPE): New type.
* tree.def (FIXED_POINT_TYPE): New type.
	(FIXED_CST): New constant.
	(FIXED_CONVERT_EXPR): New expr.
	* doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
	(Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
	* tree.h (struct tree_base): Add saturating_flag.
	Remove one bit of spare for saturating_flag.
	(NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
	(NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
	FIXED_POINT_TYPE_P): Define.
	(TYPE_SATURATING): Define.
	(TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
	(struct tree_fixed_cst): New.
	(TYPE_IBIT, TYPE_FBIT): Define.
	(tree_node): Add fixed_cst.
	(enum tree_index): Add new enumeration values of
	TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
	TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
	TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
	TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
	TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
	TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
	TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
	TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
	TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
	TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
	TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
	TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
	TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
	TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
	TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
	TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
	TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
	TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
	(sat_short_fract_type_node, sat_fract_type_node,
	sat_long_fract_type_node, sat_long_long_fract_type_node,
	sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
	sat_unsigned_long_fract_type_node,
	sat_unsigned_long_long_fract_type_node, short_fract_type_node,
	fract_type_node, long_fract_type_node, long_long_fract_type_node,
	unsigned_short_fract_type_node, unsigned_fract_type_node,
	unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
	sat_short_accum_type_node, sat_accum_type_node,
	sat_long_accum_type_node, sat_long_long_accum_type_node,
	sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
	sat_unsigned_long_accum_type_node,
	sat_unsigned_long_long_accum_type_node, short_accum_type_node,
	accum_type_node, long_accum_type_node, long_long_accum_type_node,
	unsigned_short_accum_type_node, unsigned_accum_type_node,
	unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
	qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
	uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
	utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
	sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
	sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
	sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
	ta_type_node, uha_type_node, usa_type_node, uda_type_node,
	uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
	sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
	sat_uda_type_node, sat_uta_type_node): New macro.
	(make_fract_type, make_accum_type): Declare.
	(make_signed_fract_type, make_unsigned_fract_type,
	make_sat_signed_fract_type, make_sat_unsigned_fract_type,
	make_signed_accum_type, make_unsigned_accum_type,
	make_sat_signed_accum_type, make_sat_unsigned_accum_type,
	make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
	make_or_reuse_sat_signed_fract_type,
	make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
	make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
	make_or_reuse_sat_unsigned_accum_type): New macro.
	(fixed_zerop): Declare.
	* defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
	LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
	SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
	LONG_LONG_ACCUM_TYPE_SIZE): Define.
	* treestruct.def: Add TS_FIXED_CST.
	* Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
	(tree.o): Likewise.
	(tree-dump.o): Likewise.
	(print-tree.o): Likewise.
	(tree-pretty-print.o): Likewise.
	(fold-const.o): Likewise.
	* tree-complex.c (some_nonzerop): Handle FIXED_CST.
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
	(is_gimple_min_invariant): Handle FIXED_CST.
	* stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
	MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
	MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
	(layout_type): Handle FIXED_POINT_TYPE.
	(make_fract_type, make_accum_type): New functions.
	* tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
	* tree-dump.c (fixed-value.h): New include.
	(dump_fixed): New function.
	(dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
	* tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
	(estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
	* tree-pretty-print.c (fixed-value.h): New include.
	(dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
	FIXED_CONVERT_EXPR.
	* tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
	* tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
	* tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
	* tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
	for non-saturating fixed-point types.
	(reassociate_bb): Likewise.
	* emit-rtl.c (fixed-value.h): New include.
	(fconst0, fconst1): New array.
	(init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
	* tree-vect-generic.c expand_vector_operation): Support
	MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
	MODE_VECTOR_UACCUM.
	(type_for_widest_vector_mode): Add one parameter for the 
	saturating flag.
	Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
	vector mode.
	Pass the satp parameter to type_for_mode for fixed-point types.
	(expand_vector_operations_1): Pass the saturating flag to
	type_for_widest_vector_mode.
	Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
	and MODE_VECTOR_UACCUM.
	* tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
	(vectorizable_condition): Likewise.
	* tree.c (fixed-value.h): New include.
	(tree_code_size): Support FIXED_CST.
	(build_fixed): New function.
	(build_one_cst): Support FIXED_POINT_TYPE for accum types.
	(fixed_zerop): New function.
	(tree_node_structure): Support FIXED_CST.
	(type_contains_placeholder_1): Support FIXED_POINT_TYPE.
	(build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
	(type_hash_eq): Handle FIXED_POINT_TYPE.
	(simple_cst_equal): Support FIXED_CST.
	(iterative_hash_expr): Handle FIXED_CST.
	(get_unwidened): Make sure type is not FIXED_POINT_TYPE.
	(get_narrower): Likewise.
	(variably_modified_type_p): Handle FIXED_POINT_TYPE.
	(make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
	(build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
	MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
	nodes.
	(build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
	MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
	(initializer_zerop): Support FIXED_CST.
	(walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
	* dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
	DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
	(is_base_type): Handle FIXED_POINT_TYPE.
	(add_type_attribute): Handle FIXED_POINT_TYPE.
	(gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
	* print-tree.c (fixed-value.h): New include.
	(print_node_brief): Support FIXED_CST.
	(print_node): Support FIXED_POINT_TYPE and FIXED_CST.
	* c-pretty-print.c (fixed-value.h): New include.
	(pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
	TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
	(pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
	Support fixed-point types for inner items in VECTOR_TYPE.
	(pp_c_direct_declarator): Likewise.
	(pp_c_declarator): Likewise.
	(pp_c_fixed_constant): New function.
	(pp_c_constant): Handle FIXED_CST.
	(pp_c_primary_expression): Likewise.
	(pp_c_expression): Likewise.
	* fold-const.c (fixed-value.h): New include.
	(negate_expr_p): Return true for FIXED_CST.
	(fold_negate_expr): Support FIXED_CST.
	(split_tree): Support FIXED_CST.
	(const_binop): Support FIXED_CST.
	(fold_convert_const_int_from_fixed): New function to convert from
	fixed to int.
	(fold_convert_const_real_from_fixed): New function to convert from
	fixed to real.
	(fold_convert_const_fixed_from_fixed): New function to convert from
	fixed to another fixed.
	(fold_convert_const_fixed_from_int): New function to convert from
	int to fixed.
	(fold_convert_const_fixed_from_real): New function to convert from
	real to fixed.
	(fold_convert_const): Support conversions from fixed to int, from
	fixed to real, from fixed to fixed, from int to fixed, and from real
	to fixed.
	(fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
	(operand_equal_p): Support FIXED_CST.
	(make_range): For fixed-point modes, we need to pass the
	saturating flag as the 2nd parameter.
	(tree_swap_operands_p): Handle FIXED_CST.
	(fold_plusminus_mult_expr): For fract modes, we cannot generate
	constant 1.
	(fold_unary): Support FIXED_CONVERT_EXPR.
	(fold_binary): Handle FIXED_CST.
	Make sure the type is not saturating, before associating operations.
	Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
	(tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
	(fold_negate_const): Support FIXED_CST.
	(fold_relational_const): Support FIXED_CST.
	* gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
	(gimplify_expr): Handle FIXED_CST.
	(gimplify_type_sizes): Handle FIXED_POINT_TYPE.
	* ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
	* ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
	* doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
	FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
	SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
	LONG_LONG_ACCUM_TYPE_SIZE.
	* dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
	* c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
	* tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
	* expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
	MODE_ACCUM, and MODE_UACCUM.
	* tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
	fixed-point types to disable reduction.
	* explow.c (promote_mode): Support FIXED_POINT_TYPE.

From-SVN: r127306
2007-08-08 22:29:12 +00:00

68 lines
2.7 KiB
Modula-2

/* This file contains the definitions for the tree structure
enumeration used in GCC.
Copyright (C) 2005, 2007 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* The format of this file is
DEFTREESTRUCT(enumeration value, printable name).
Each enumeration value should correspond with a single member of union
tree_node.
These enumerator values are used in order to distinguish members of union
tree_node for garbage collection purposes, as well as specifying what structures
contain what other structures in the tree_contains_struct array. */
DEFTREESTRUCT(TS_BASE, "base")
DEFTREESTRUCT(TS_COMMON, "common")
DEFTREESTRUCT(TS_INT_CST, "integer cst")
DEFTREESTRUCT(TS_REAL_CST, "real cst")
DEFTREESTRUCT(TS_FIXED_CST, "fixed cst")
DEFTREESTRUCT(TS_VECTOR, "vector")
DEFTREESTRUCT(TS_STRING, "string")
DEFTREESTRUCT(TS_COMPLEX, "complex")
DEFTREESTRUCT(TS_IDENTIFIER, "identifier")
DEFTREESTRUCT(TS_DECL_MINIMAL, "decl minimal")
DEFTREESTRUCT(TS_DECL_COMMON, "decl common")
DEFTREESTRUCT(TS_DECL_WRTL, "decl with RTL")
DEFTREESTRUCT(TS_DECL_NON_COMMON, "decl non-common")
DEFTREESTRUCT(TS_DECL_WITH_VIS, "decl with visibility")
DEFTREESTRUCT(TS_FIELD_DECL, "field decl")
DEFTREESTRUCT(TS_VAR_DECL, "var decl")
DEFTREESTRUCT(TS_PARM_DECL, "parm decl")
DEFTREESTRUCT(TS_LABEL_DECL, "label decl")
DEFTREESTRUCT(TS_RESULT_DECL, "result decl")
DEFTREESTRUCT(TS_CONST_DECL, "const decl")
DEFTREESTRUCT(TS_TYPE_DECL, "label decl")
DEFTREESTRUCT(TS_FUNCTION_DECL, "function decl")
DEFTREESTRUCT(TS_TYPE, "type")
DEFTREESTRUCT(TS_LIST, "list")
DEFTREESTRUCT(TS_VEC, "vec")
DEFTREESTRUCT(TS_EXP, "exp")
DEFTREESTRUCT(TS_SSA_NAME, "ssa name")
DEFTREESTRUCT(TS_PHI_NODE, "phi node")
DEFTREESTRUCT(TS_BLOCK, "block")
DEFTREESTRUCT(TS_BINFO, "binfo")
DEFTREESTRUCT(TS_STATEMENT_LIST, "statement list")
DEFTREESTRUCT(TS_GIMPLE_STATEMENT, "gimple statement")
DEFTREESTRUCT(TS_VALUE_HANDLE, "value handle")
DEFTREESTRUCT(TS_CONSTRUCTOR, "constructor")
DEFTREESTRUCT(TS_MEMORY_TAG, "memory tag")
DEFTREESTRUCT(TS_STRUCT_FIELD_TAG, "struct field tag")
DEFTREESTRUCT(TS_OMP_CLAUSE, "omp clause")
DEFTREESTRUCT(TS_MEMORY_PARTITION_TAG, "memory partition tag")