mirror of
https://github.com/autc04/Retro68.git
synced 2024-09-07 13:54:33 +00:00
1057 lines
34 KiB
C
1057 lines
34 KiB
C
/* Routines for emitting trees to a file stream.
|
|
|
|
Copyright (C) 2011-2015 Free Software Foundation, Inc.
|
|
Contributed by Diego Novillo <dnovillo@google.com>
|
|
|
|
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/>. */
|
|
|
|
#include "config.h"
|
|
#include "system.h"
|
|
#include "coretypes.h"
|
|
#include "tm.h"
|
|
#include "diagnostic.h"
|
|
#include "hash-set.h"
|
|
#include "machmode.h"
|
|
#include "vec.h"
|
|
#include "double-int.h"
|
|
#include "input.h"
|
|
#include "alias.h"
|
|
#include "symtab.h"
|
|
#include "wide-int.h"
|
|
#include "inchash.h"
|
|
#include "real.h"
|
|
#include "fixed-value.h"
|
|
#include "tree.h"
|
|
#include "fold-const.h"
|
|
#include "stor-layout.h"
|
|
#include "predict.h"
|
|
#include "hard-reg-set.h"
|
|
#include "input.h"
|
|
#include "function.h"
|
|
#include "basic-block.h"
|
|
#include "tree-ssa-alias.h"
|
|
#include "internal-fn.h"
|
|
#include "gimple-expr.h"
|
|
#include "is-a.h"
|
|
#include "gimple.h"
|
|
#include "hash-map.h"
|
|
#include "plugin-api.h"
|
|
#include "ipa-ref.h"
|
|
#include "cgraph.h"
|
|
#include "tree-streamer.h"
|
|
#include "data-streamer.h"
|
|
#include "streamer-hooks.h"
|
|
#include "gomp-constants.h"
|
|
|
|
|
|
/* Output the STRING constant to the string
|
|
table in OB. Then put the index onto the INDEX_STREAM. */
|
|
|
|
void
|
|
streamer_write_string_cst (struct output_block *ob,
|
|
struct lto_output_stream *index_stream,
|
|
tree string)
|
|
{
|
|
streamer_write_string_with_length (ob, index_stream,
|
|
string ? TREE_STRING_POINTER (string)
|
|
: NULL,
|
|
string ? TREE_STRING_LENGTH (string) : 0,
|
|
true);
|
|
}
|
|
|
|
|
|
/* Output the identifier ID to the string
|
|
table in OB. Then put the index onto the INDEX_STREAM. */
|
|
|
|
static void
|
|
write_identifier (struct output_block *ob,
|
|
struct lto_output_stream *index_stream,
|
|
tree id)
|
|
{
|
|
streamer_write_string_with_length (ob, index_stream,
|
|
IDENTIFIER_POINTER (id),
|
|
IDENTIFIER_LENGTH (id),
|
|
true);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_BASE structure of
|
|
expression EXPR into bitpack BP. */
|
|
|
|
static inline void
|
|
pack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_value (bp, TREE_CODE (expr), 16);
|
|
if (!TYPE_P (expr))
|
|
{
|
|
bp_pack_value (bp, TREE_SIDE_EFFECTS (expr), 1);
|
|
bp_pack_value (bp, TREE_CONSTANT (expr), 1);
|
|
bp_pack_value (bp, TREE_READONLY (expr), 1);
|
|
|
|
/* TREE_PUBLIC is used on types to indicate that the type
|
|
has a TYPE_CACHED_VALUES vector. This is not streamed out,
|
|
so we skip it here. */
|
|
bp_pack_value (bp, TREE_PUBLIC (expr), 1);
|
|
}
|
|
else
|
|
bp_pack_value (bp, 0, 4);
|
|
bp_pack_value (bp, TREE_ADDRESSABLE (expr), 1);
|
|
bp_pack_value (bp, TREE_THIS_VOLATILE (expr), 1);
|
|
if (DECL_P (expr))
|
|
bp_pack_value (bp, DECL_UNSIGNED (expr), 1);
|
|
else if (TYPE_P (expr))
|
|
bp_pack_value (bp, TYPE_UNSIGNED (expr), 1);
|
|
else
|
|
bp_pack_value (bp, 0, 1);
|
|
/* We write debug info two times, do not confuse the second one.
|
|
The only relevant TREE_ASM_WRITTEN use is on SSA names. */
|
|
bp_pack_value (bp, (TREE_CODE (expr) != SSA_NAME
|
|
? 0 : TREE_ASM_WRITTEN (expr)), 1);
|
|
if (TYPE_P (expr))
|
|
bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1);
|
|
else
|
|
bp_pack_value (bp, TREE_NO_WARNING (expr), 1);
|
|
bp_pack_value (bp, TREE_NOTHROW (expr), 1);
|
|
bp_pack_value (bp, TREE_STATIC (expr), 1);
|
|
if (TREE_CODE (expr) != TREE_BINFO)
|
|
bp_pack_value (bp, TREE_PRIVATE (expr), 1);
|
|
else
|
|
bp_pack_value (bp, 0, 1);
|
|
bp_pack_value (bp, TREE_PROTECTED (expr), 1);
|
|
bp_pack_value (bp, TREE_DEPRECATED (expr), 1);
|
|
if (TYPE_P (expr))
|
|
{
|
|
bp_pack_value (bp, TYPE_SATURATING (expr), 1);
|
|
bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8);
|
|
}
|
|
else if (TREE_CODE (expr) == SSA_NAME)
|
|
{
|
|
bp_pack_value (bp, SSA_NAME_IS_DEFAULT_DEF (expr), 1);
|
|
bp_pack_value (bp, 0, 8);
|
|
}
|
|
else
|
|
bp_pack_value (bp, 0, 9);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_INTEGER_CST structure of
|
|
expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
int i;
|
|
/* Note that the number of elements has already been written out in
|
|
streamer_write_tree_header. */
|
|
for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
|
|
bp_pack_var_len_int (bp, TREE_INT_CST_ELT (expr, i));
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_REAL_CST structure of
|
|
expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
unsigned i;
|
|
REAL_VALUE_TYPE r;
|
|
|
|
r = TREE_REAL_CST (expr);
|
|
bp_pack_value (bp, r.cl, 2);
|
|
bp_pack_value (bp, r.decimal, 1);
|
|
bp_pack_value (bp, r.sign, 1);
|
|
bp_pack_value (bp, r.signalling, 1);
|
|
bp_pack_value (bp, r.canonical, 1);
|
|
bp_pack_value (bp, r.uexp, EXP_BITS);
|
|
for (i = 0; i < SIGSZ; i++)
|
|
bp_pack_value (bp, r.sig[i], HOST_BITS_PER_LONG);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_FIXED_CST structure of
|
|
expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
struct fixed_value fv = TREE_FIXED_CST (expr);
|
|
bp_pack_machine_mode (bp, fv.mode);
|
|
bp_pack_var_len_int (bp, fv.data.low);
|
|
bp_pack_var_len_int (bp, fv.data.high);
|
|
}
|
|
|
|
/* Pack all the non-pointer fields of the TS_DECL_COMMON structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_machine_mode (bp, DECL_MODE (expr));
|
|
bp_pack_value (bp, DECL_NONLOCAL (expr), 1);
|
|
bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1);
|
|
bp_pack_value (bp, DECL_IGNORED_P (expr), 1);
|
|
bp_pack_value (bp, DECL_ABSTRACT_P (expr), 1);
|
|
bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1);
|
|
bp_pack_value (bp, DECL_USER_ALIGN (expr), 1);
|
|
bp_pack_value (bp, DECL_PRESERVE_P (expr), 1);
|
|
bp_pack_value (bp, DECL_EXTERNAL (expr), 1);
|
|
bp_pack_value (bp, DECL_GIMPLE_REG_P (expr), 1);
|
|
bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr));
|
|
|
|
if (TREE_CODE (expr) == LABEL_DECL)
|
|
{
|
|
/* Note that we do not write LABEL_DECL_UID. The reader will
|
|
always assume an initial value of -1 so that the
|
|
label_to_block_map is recreated by gimple_set_bb. */
|
|
bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
|
|
}
|
|
|
|
if (TREE_CODE (expr) == FIELD_DECL)
|
|
{
|
|
bp_pack_value (bp, DECL_PACKED (expr), 1);
|
|
bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1);
|
|
bp_pack_value (bp, expr->decl_common.off_align, 8);
|
|
}
|
|
|
|
if (TREE_CODE (expr) == VAR_DECL)
|
|
{
|
|
bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
|
|
bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
|
|
}
|
|
|
|
if (TREE_CODE (expr) == RESULT_DECL
|
|
|| TREE_CODE (expr) == PARM_DECL
|
|
|| TREE_CODE (expr) == VAR_DECL)
|
|
{
|
|
bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
|
|
if (TREE_CODE (expr) == VAR_DECL
|
|
|| TREE_CODE (expr) == PARM_DECL)
|
|
bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
|
|
}
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_DECL_WRTL structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_value (bp, DECL_REGISTER (expr), 1);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_value (bp, DECL_COMMON (expr), 1);
|
|
bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1);
|
|
bp_pack_value (bp, DECL_WEAK (expr), 1);
|
|
bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr), 1);
|
|
bp_pack_value (bp, DECL_COMDAT (expr), 1);
|
|
bp_pack_value (bp, DECL_VISIBILITY (expr), 2);
|
|
bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr), 1);
|
|
|
|
if (TREE_CODE (expr) == VAR_DECL)
|
|
{
|
|
bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
|
|
/* DECL_IN_TEXT_SECTION is set during final asm output only. */
|
|
bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1);
|
|
}
|
|
|
|
if (TREE_CODE (expr) == FUNCTION_DECL)
|
|
{
|
|
bp_pack_value (bp, DECL_FINAL_P (expr), 1);
|
|
bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1);
|
|
bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1);
|
|
}
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
/* For normal/md builtins we only write the class and code, so they
|
|
should never be handled here. */
|
|
gcc_assert (!streamer_handle_as_builtin_p (expr));
|
|
|
|
bp_pack_enum (bp, built_in_class, BUILT_IN_LAST,
|
|
DECL_BUILT_IN_CLASS (expr));
|
|
bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1);
|
|
bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1);
|
|
bp_pack_value (bp, DECL_UNINLINABLE (expr), 1);
|
|
bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1);
|
|
bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1);
|
|
bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1);
|
|
bp_pack_value (bp, DECL_IS_MALLOC (expr), 1);
|
|
bp_pack_value (bp, DECL_IS_OPERATOR_NEW (expr), 1);
|
|
bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1);
|
|
bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1);
|
|
bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1);
|
|
bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1);
|
|
bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1);
|
|
bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1);
|
|
bp_pack_value (bp, DECL_PURE_P (expr), 1);
|
|
bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1);
|
|
if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
|
|
bp_pack_value (bp, DECL_FUNCTION_CODE (expr), 12);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_TYPE_COMMON structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_machine_mode (bp, TYPE_MODE (expr));
|
|
bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
|
|
bp_pack_value (bp, TYPE_NO_FORCE_BLK (expr), 1);
|
|
bp_pack_value (bp, TYPE_NEEDS_CONSTRUCTING (expr), 1);
|
|
if (RECORD_OR_UNION_TYPE_P (expr))
|
|
{
|
|
bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1);
|
|
bp_pack_value (bp, TYPE_FINAL_P (expr), 1);
|
|
}
|
|
else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1);
|
|
bp_pack_value (bp, TYPE_PACKED (expr), 1);
|
|
bp_pack_value (bp, TYPE_RESTRICT (expr), 1);
|
|
bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1);
|
|
bp_pack_value (bp, TYPE_READONLY (expr), 1);
|
|
bp_pack_var_len_unsigned (bp, TYPE_PRECISION (expr));
|
|
bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr));
|
|
/* Make sure to preserve the fact whether the frontend would assign
|
|
alias-set zero to this type. */
|
|
bp_pack_var_len_int (bp, (TYPE_ALIAS_SET (expr) == 0
|
|
|| (!in_lto_p
|
|
&& get_alias_set (expr) == 0)) ? 0 : -1);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_BLOCK structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_block_value_fields (struct output_block *ob,
|
|
struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_value (bp, BLOCK_ABSTRACT (expr), 1);
|
|
/* BLOCK_NUMBER is recomputed. */
|
|
/* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those
|
|
that represent inlined function scopes.
|
|
For the rest them on the floor instead of ICEing in dwarf2out.c. */
|
|
if (inlined_function_outer_scope_p (expr))
|
|
stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr));
|
|
else
|
|
stream_output_location (ob, bp, UNKNOWN_LOCATION);
|
|
}
|
|
|
|
/* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_translation_unit_decl_value_fields (struct output_block *ob,
|
|
struct bitpack_d *bp, tree expr)
|
|
{
|
|
bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true);
|
|
}
|
|
|
|
|
|
/* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure
|
|
of expression EXPR into bitpack BP. */
|
|
|
|
static void
|
|
pack_ts_omp_clause_value_fields (struct output_block *ob,
|
|
struct bitpack_d *bp, tree expr)
|
|
{
|
|
stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr));
|
|
switch (OMP_CLAUSE_CODE (expr))
|
|
{
|
|
case OMP_CLAUSE_DEFAULT:
|
|
bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST,
|
|
OMP_CLAUSE_DEFAULT_KIND (expr));
|
|
break;
|
|
case OMP_CLAUSE_SCHEDULE:
|
|
bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST,
|
|
OMP_CLAUSE_SCHEDULE_KIND (expr));
|
|
break;
|
|
case OMP_CLAUSE_DEPEND:
|
|
bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST,
|
|
OMP_CLAUSE_DEPEND_KIND (expr));
|
|
break;
|
|
case OMP_CLAUSE_MAP:
|
|
bp_pack_enum (bp, gomp_map_kind, GOMP_MAP_LAST,
|
|
OMP_CLAUSE_MAP_KIND (expr));
|
|
break;
|
|
case OMP_CLAUSE_PROC_BIND:
|
|
bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST,
|
|
OMP_CLAUSE_PROC_BIND_KIND (expr));
|
|
break;
|
|
case OMP_CLAUSE_REDUCTION:
|
|
bp_pack_enum (bp, tree_code, MAX_TREE_CODES,
|
|
OMP_CLAUSE_REDUCTION_CODE (expr));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* Pack all the bitfields in EXPR into a bit pack. */
|
|
|
|
void
|
|
streamer_write_tree_bitfields (struct output_block *ob, tree expr)
|
|
{
|
|
bitpack_d bp = bitpack_create (ob->main_stream);
|
|
enum tree_code code;
|
|
|
|
code = TREE_CODE (expr);
|
|
|
|
/* Note that all these functions are highly sensitive to changes in
|
|
the types and sizes of each of the fields being packed. */
|
|
pack_ts_base_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
pack_ts_int_cst_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
|
|
pack_ts_real_cst_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
|
|
pack_ts_fixed_cst_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
stream_output_location (ob, &bp, DECL_SOURCE_LOCATION (expr));
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
pack_ts_decl_common_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
|
|
pack_ts_decl_wrtl_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
pack_ts_decl_with_vis_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
pack_ts_function_decl_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
pack_ts_type_common_value_fields (&bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
{
|
|
stream_output_location (ob, &bp, EXPR_LOCATION (expr));
|
|
if (code == MEM_REF
|
|
|| code == TARGET_MEM_REF)
|
|
{
|
|
bp_pack_value (&bp, MR_DEPENDENCE_CLIQUE (expr), sizeof (short) * 8);
|
|
if (MR_DEPENDENCE_CLIQUE (expr) != 0)
|
|
bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
|
|
}
|
|
}
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
pack_ts_block_value_fields (ob, &bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
|
|
pack_ts_translation_unit_decl_value_fields (ob, &bp, expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
|
|
cl_optimization_stream_out (&bp, TREE_OPTIMIZATION (expr));
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
bp_pack_var_len_unsigned (&bp, vec_safe_length (BINFO_BASE_ACCESSES (expr)));
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
bp_pack_var_len_unsigned (&bp, CONSTRUCTOR_NELTS (expr));
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
|
|
/* Don't stream these when passing things to a different target. */
|
|
&& !lto_stream_offload_p)
|
|
cl_target_option_stream_out (ob, &bp, TREE_TARGET_OPTION (expr));
|
|
|
|
if (code == OMP_CLAUSE)
|
|
pack_ts_omp_clause_value_fields (ob, &bp, expr);
|
|
|
|
streamer_write_bitpack (&bp);
|
|
}
|
|
|
|
|
|
/* Write the code and class of builtin EXPR to output block OB. IX is
|
|
the index into the streamer cache where EXPR is stored.*/
|
|
|
|
void
|
|
streamer_write_builtin (struct output_block *ob, tree expr)
|
|
{
|
|
gcc_assert (streamer_handle_as_builtin_p (expr));
|
|
|
|
if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD
|
|
&& !targetm.builtin_decl)
|
|
sorry ("tree bytecode streams do not support machine specific builtin "
|
|
"functions on this target");
|
|
|
|
streamer_write_record_start (ob, LTO_builtin_decl);
|
|
streamer_write_enum (ob->main_stream, built_in_class, BUILT_IN_LAST,
|
|
DECL_BUILT_IN_CLASS (expr));
|
|
streamer_write_uhwi (ob, DECL_FUNCTION_CODE (expr));
|
|
|
|
if (DECL_ASSEMBLER_NAME_SET_P (expr))
|
|
{
|
|
/* When the assembler name of a builtin gets a user name,
|
|
the new name is always prefixed with '*' by
|
|
set_builtin_user_assembler_name. So, to prevent the
|
|
reader side from adding a second '*', we omit it here. */
|
|
const char *str = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (expr));
|
|
if (strlen (str) > 1 && str[0] == '*')
|
|
streamer_write_string (ob, ob->main_stream, &str[1], true);
|
|
else
|
|
streamer_write_string (ob, ob->main_stream, NULL, true);
|
|
}
|
|
else
|
|
streamer_write_string (ob, ob->main_stream, NULL, true);
|
|
}
|
|
|
|
|
|
/* Emit the chain of tree nodes starting at T. OB is the output block
|
|
to write to. REF_P is true if chain elements should be emitted
|
|
as references. */
|
|
|
|
void
|
|
streamer_write_chain (struct output_block *ob, tree t, bool ref_p)
|
|
{
|
|
while (t)
|
|
{
|
|
/* We avoid outputting external vars or functions by reference
|
|
to the global decls section as we do not want to have them
|
|
enter decl merging. This is, of course, only for the call
|
|
for streaming BLOCK_VARS, but other callers are safe.
|
|
See also lto-streamer-out.c:DFS_write_tree_body. */
|
|
if (VAR_OR_FUNCTION_DECL_P (t)
|
|
&& DECL_EXTERNAL (t))
|
|
stream_write_tree_shallow_non_ref (ob, t, ref_p);
|
|
else
|
|
stream_write_tree (ob, t, ref_p);
|
|
|
|
t = TREE_CHAIN (t);
|
|
}
|
|
|
|
/* Write a sentinel to terminate the chain. */
|
|
stream_write_tree (ob, NULL_TREE, ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_COMMON structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_common_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
if (TREE_CODE (expr) != IDENTIFIER_NODE)
|
|
stream_write_tree (ob, TREE_TYPE (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_VECTOR structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_vector_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
unsigned i;
|
|
/* Note that the number of elements for EXPR has already been emitted
|
|
in EXPR's header (see streamer_write_tree_header). */
|
|
for (i = 0; i < VECTOR_CST_NELTS (expr); ++i)
|
|
stream_write_tree (ob, VECTOR_CST_ELT (expr, i), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_COMPLEX structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_complex_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
stream_write_tree (ob, TREE_REALPART (expr), ref_p);
|
|
stream_write_tree (ob, TREE_IMAGPART (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR
|
|
to output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
/* Drop names that were created for anonymous entities. */
|
|
if (DECL_NAME (expr)
|
|
&& TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE
|
|
&& ANON_AGGRNAME_P (DECL_NAME (expr)))
|
|
stream_write_tree (ob, NULL_TREE, ref_p);
|
|
else
|
|
stream_write_tree (ob, DECL_NAME (expr), ref_p);
|
|
stream_write_tree (ob, DECL_CONTEXT (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to
|
|
output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
stream_write_tree (ob, DECL_SIZE (expr), ref_p);
|
|
stream_write_tree (ob, DECL_SIZE_UNIT (expr), ref_p);
|
|
|
|
/* Note, DECL_INITIAL is not handled here. Since DECL_INITIAL needs
|
|
special handling in LTO, it must be handled by streamer hooks. */
|
|
|
|
stream_write_tree (ob, DECL_ATTRIBUTES (expr), ref_p);
|
|
|
|
/* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information
|
|
for early inlining so drop it on the floor instead of ICEing in
|
|
dwarf2out.c. */
|
|
|
|
if ((TREE_CODE (expr) == VAR_DECL
|
|
|| TREE_CODE (expr) == PARM_DECL)
|
|
&& DECL_HAS_VALUE_EXPR_P (expr))
|
|
stream_write_tree (ob, DECL_VALUE_EXPR (expr), ref_p);
|
|
|
|
if (TREE_CODE (expr) == VAR_DECL)
|
|
stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_DECL_NON_COMMON structure of
|
|
EXPR to output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_decl_non_common_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
if (TREE_CODE (expr) == TYPE_DECL)
|
|
stream_write_tree (ob, DECL_ORIGINAL_TYPE (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
|
|
to output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
/* Make sure we don't inadvertently set the assembler name. */
|
|
if (DECL_ASSEMBLER_NAME_SET_P (expr))
|
|
stream_write_tree (ob, DECL_ASSEMBLER_NAME (expr), ref_p);
|
|
else
|
|
stream_write_tree (ob, NULL_TREE, false);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to
|
|
output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
stream_write_tree (ob, DECL_FIELD_OFFSET (expr), ref_p);
|
|
stream_write_tree (ob, DECL_BIT_FIELD_TYPE (expr), ref_p);
|
|
stream_write_tree (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr), ref_p);
|
|
stream_write_tree (ob, DECL_FIELD_BIT_OFFSET (expr), ref_p);
|
|
stream_write_tree (ob, DECL_FCONTEXT (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR
|
|
to output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
stream_write_tree (ob, DECL_VINDEX (expr), ref_p);
|
|
/* DECL_STRUCT_FUNCTION is handled by lto_output_function. */
|
|
stream_write_tree (ob, DECL_FUNCTION_PERSONALITY (expr), ref_p);
|
|
/* Don't stream these when passing things to a different target. */
|
|
if (!lto_stream_offload_p)
|
|
stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr), ref_p);
|
|
stream_write_tree (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to
|
|
output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_type_common_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
stream_write_tree (ob, TYPE_SIZE (expr), ref_p);
|
|
stream_write_tree (ob, TYPE_SIZE_UNIT (expr), ref_p);
|
|
stream_write_tree (ob, TYPE_ATTRIBUTES (expr), ref_p);
|
|
stream_write_tree (ob, TYPE_NAME (expr), ref_p);
|
|
/* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
|
|
reconstructed during fixup. */
|
|
/* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
|
|
during fixup. */
|
|
stream_write_tree (ob, TYPE_MAIN_VARIANT (expr), ref_p);
|
|
stream_write_tree (ob, TYPE_CONTEXT (expr), ref_p);
|
|
/* TYPE_CANONICAL is re-computed during type merging, so no need
|
|
to stream it here. */
|
|
stream_write_tree (ob, TYPE_STUB_DECL (expr), ref_p);
|
|
}
|
|
|
|
/* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
|
|
to output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
if (TREE_CODE (expr) == ENUMERAL_TYPE)
|
|
stream_write_tree (ob, TYPE_VALUES (expr), ref_p);
|
|
else if (TREE_CODE (expr) == ARRAY_TYPE)
|
|
stream_write_tree (ob, TYPE_DOMAIN (expr), ref_p);
|
|
else if (RECORD_OR_UNION_TYPE_P (expr))
|
|
streamer_write_chain (ob, TYPE_FIELDS (expr), ref_p);
|
|
else if (TREE_CODE (expr) == FUNCTION_TYPE
|
|
|| TREE_CODE (expr) == METHOD_TYPE)
|
|
stream_write_tree (ob, TYPE_ARG_TYPES (expr), ref_p);
|
|
|
|
if (!POINTER_TYPE_P (expr))
|
|
stream_write_tree (ob, TYPE_MINVAL (expr), ref_p);
|
|
stream_write_tree (ob, TYPE_MAXVAL (expr), ref_p);
|
|
if (RECORD_OR_UNION_TYPE_P (expr))
|
|
stream_write_tree (ob, TYPE_BINFO (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_LIST structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_list_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
stream_write_tree (ob, TREE_PURPOSE (expr), ref_p);
|
|
stream_write_tree (ob, TREE_VALUE (expr), ref_p);
|
|
stream_write_tree (ob, TREE_CHAIN (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_VEC structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_vec_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
int i;
|
|
|
|
/* Note that the number of slots for EXPR has already been emitted
|
|
in EXPR's header (see streamer_write_tree_header). */
|
|
for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
|
|
stream_write_tree (ob, TREE_VEC_ELT (expr, i), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_EXP structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_exp_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
|
|
stream_write_tree (ob, TREE_OPERAND (expr, i), ref_p);
|
|
stream_write_tree (ob, TREE_BLOCK (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_BLOCK structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_block_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
streamer_write_chain (ob, BLOCK_VARS (expr), ref_p);
|
|
|
|
stream_write_tree (ob, BLOCK_SUPERCONTEXT (expr), ref_p);
|
|
|
|
/* Stream BLOCK_ABSTRACT_ORIGIN for the limited cases we can handle - those
|
|
that represent inlined function scopes.
|
|
For the rest them on the floor instead of ICEing in dwarf2out.c. */
|
|
if (inlined_function_outer_scope_p (expr))
|
|
{
|
|
tree ultimate_origin = block_ultimate_origin (expr);
|
|
stream_write_tree (ob, ultimate_origin, ref_p);
|
|
}
|
|
else
|
|
stream_write_tree (ob, NULL_TREE, ref_p);
|
|
/* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
|
|
for early inlined BLOCKs so drop it on the floor instead of ICEing in
|
|
dwarf2out.c. */
|
|
|
|
/* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
|
|
streaming time. */
|
|
|
|
/* Do not output BLOCK_SUBBLOCKS. Instead on streaming-in this
|
|
list is re-constructed from BLOCK_SUPERCONTEXT. */
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_BINFO structure of EXPR to output
|
|
block OB. If REF_P is true, write a reference to EXPR's pointer
|
|
fields. */
|
|
|
|
static void
|
|
write_ts_binfo_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
unsigned i;
|
|
tree t;
|
|
|
|
/* Note that the number of BINFO slots has already been emitted in
|
|
EXPR's header (see streamer_write_tree_header) because this length
|
|
is needed to build the empty BINFO node on the reader side. */
|
|
FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t)
|
|
stream_write_tree (ob, t, ref_p);
|
|
stream_write_tree (ob, NULL_TREE, false);
|
|
|
|
stream_write_tree (ob, BINFO_OFFSET (expr), ref_p);
|
|
stream_write_tree (ob, BINFO_VTABLE (expr), ref_p);
|
|
stream_write_tree (ob, BINFO_VPTR_FIELD (expr), ref_p);
|
|
|
|
/* The number of BINFO_BASE_ACCESSES has already been emitted in
|
|
EXPR's bitfield section. */
|
|
FOR_EACH_VEC_SAFE_ELT (BINFO_BASE_ACCESSES (expr), i, t)
|
|
stream_write_tree (ob, t, ref_p);
|
|
|
|
/* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX
|
|
and BINFO_VPTR_INDEX; these are used by C++ FE only. */
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to
|
|
output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_constructor_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
unsigned i;
|
|
tree index, value;
|
|
|
|
FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value)
|
|
{
|
|
stream_write_tree (ob, index, ref_p);
|
|
stream_write_tree (ob, value, ref_p);
|
|
}
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR
|
|
to output block OB. If REF_P is true, write a reference to EXPR's
|
|
pointer fields. */
|
|
|
|
static void
|
|
write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr,
|
|
bool ref_p)
|
|
{
|
|
int i;
|
|
for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
|
|
stream_write_tree (ob, OMP_CLAUSE_OPERAND (expr, i), ref_p);
|
|
if (OMP_CLAUSE_CODE (expr) == OMP_CLAUSE_REDUCTION)
|
|
{
|
|
/* We don't stream these right now, handle it if streaming
|
|
of them is needed. */
|
|
gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL);
|
|
gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL);
|
|
}
|
|
stream_write_tree (ob, OMP_CLAUSE_CHAIN (expr), ref_p);
|
|
}
|
|
|
|
|
|
/* Write all pointer fields in EXPR to output block OB. If REF_P is true,
|
|
the leaves of EXPR are emitted as references. */
|
|
|
|
void
|
|
streamer_write_tree_body (struct output_block *ob, tree expr, bool ref_p)
|
|
{
|
|
enum tree_code code;
|
|
|
|
lto_stats.num_tree_bodies_output++;
|
|
|
|
code = TREE_CODE (expr);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
|
|
write_ts_common_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
write_ts_vector_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
|
|
write_ts_complex_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
|
|
write_ts_decl_minimal_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
|
|
write_ts_decl_common_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
|
|
write_ts_decl_non_common_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
|
|
write_ts_decl_with_vis_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
|
|
write_ts_field_decl_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
|
|
write_ts_function_decl_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
|
|
write_ts_type_common_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
|
|
write_ts_type_non_common_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_LIST))
|
|
write_ts_list_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
write_ts_vec_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_EXP))
|
|
write_ts_exp_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
|
|
write_ts_block_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
write_ts_binfo_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
|
|
write_ts_constructor_tree_pointers (ob, expr, ref_p);
|
|
|
|
if (code == OMP_CLAUSE)
|
|
write_ts_omp_clause_tree_pointers (ob, expr, ref_p);
|
|
}
|
|
|
|
|
|
/* Emit header information for tree EXPR to output block OB. The header
|
|
contains everything needed to instantiate an empty skeleton for
|
|
EXPR on the reading side. IX is the index into the streamer cache
|
|
where EXPR is stored. */
|
|
|
|
void
|
|
streamer_write_tree_header (struct output_block *ob, tree expr)
|
|
{
|
|
enum LTO_tags tag;
|
|
enum tree_code code;
|
|
|
|
/* We should not see any tree nodes not handled by the streamer. */
|
|
code = TREE_CODE (expr);
|
|
|
|
/* The header of a tree node consists of its tag, the size of
|
|
the node, and any other information needed to instantiate
|
|
EXPR on the reading side (such as the number of slots in
|
|
variable sized nodes). */
|
|
tag = lto_tree_code_to_tag (code);
|
|
streamer_write_record_start (ob, tag);
|
|
|
|
/* The following will cause bootstrap miscomparisons. Enable with care. */
|
|
#ifdef LTO_STREAMER_DEBUG
|
|
/* This is used mainly for debugging purposes. When the reader
|
|
and the writer do not agree on a streamed node, the pointer
|
|
value for EXPR can be used to track down the differences in
|
|
the debugger. */
|
|
gcc_assert ((HOST_WIDE_INT) (intptr_t) expr == (intptr_t) expr);
|
|
streamer_write_hwi (ob, (HOST_WIDE_INT) (intptr_t) expr);
|
|
#endif
|
|
|
|
/* The text in strings and identifiers are completely emitted in
|
|
the header. */
|
|
if (CODE_CONTAINS_STRUCT (code, TS_STRING))
|
|
streamer_write_string_cst (ob, ob->main_stream, expr);
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
|
|
write_identifier (ob, ob->main_stream, expr);
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
|
|
streamer_write_hwi (ob, VECTOR_CST_NELTS (expr));
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
|
|
streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
|
|
streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr));
|
|
else if (TREE_CODE (expr) == CALL_EXPR)
|
|
streamer_write_uhwi (ob, call_expr_nargs (expr));
|
|
else if (TREE_CODE (expr) == OMP_CLAUSE)
|
|
streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr));
|
|
else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
|
|
{
|
|
gcc_checking_assert (TREE_INT_CST_NUNITS (expr));
|
|
streamer_write_uhwi (ob, TREE_INT_CST_NUNITS (expr));
|
|
streamer_write_uhwi (ob, TREE_INT_CST_EXT_NUNITS (expr));
|
|
}
|
|
}
|
|
|
|
|
|
/* Emit the integer constant CST to output block OB. If REF_P is true,
|
|
CST's type will be emitted as a reference. */
|
|
|
|
void
|
|
streamer_write_integer_cst (struct output_block *ob, tree cst, bool ref_p)
|
|
{
|
|
int i;
|
|
int len = TREE_INT_CST_NUNITS (cst);
|
|
gcc_assert (!TREE_OVERFLOW (cst));
|
|
streamer_write_record_start (ob, LTO_integer_cst);
|
|
stream_write_tree (ob, TREE_TYPE (cst), ref_p);
|
|
/* We're effectively streaming a non-sign-extended wide_int here,
|
|
so there's no need to stream TREE_INT_CST_EXT_NUNITS or any
|
|
array members beyond LEN. We'll recreate the tree from the
|
|
wide_int and the type. */
|
|
streamer_write_uhwi (ob, len);
|
|
for (i = 0; i < len; i++)
|
|
streamer_write_hwi (ob, TREE_INT_CST_ELT (cst, i));
|
|
}
|