/* Routines for emitting trees to a file stream.
- Copyright (C) 2011-2015 Free Software Foundation, Inc.
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
Contributed by Diego Novillo <dnovillo@google.com>
This file is part of GCC.
#include "config.h"
#include "system.h"
#include "coretypes.h"
-#include "tm.h"
-#include "diagnostic.h"
-#include "alias.h"
-#include "symtab.h"
+#include "backend.h"
+#include "target.h"
#include "tree.h"
-#include "fold-const.h"
-#include "stor-layout.h"
-#include "predict.h"
-#include "hard-reg-set.h"
-#include "function.h"
-#include "basic-block.h"
-#include "tree-ssa-alias.h"
-#include "internal-fn.h"
-#include "gimple-expr.h"
#include "gimple.h"
-#include "cgraph.h"
#include "tree-streamer.h"
-#include "data-streamer.h"
-#include "streamer-hooks.h"
+#include "cgraph.h"
+#include "alias.h"
+#include "stor-layout.h"
#include "gomp-constants.h"
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);
+ {
+ bp_pack_value (bp, DECL_UNSIGNED (expr), 1);
+ bp_pack_value (bp, DECL_NAMELESS (expr), 1);
+ }
else if (TYPE_P (expr))
bp_pack_value (bp, TYPE_UNSIGNED (expr), 1);
else
bp_pack_value (bp, TREE_DEPRECATED (expr), 1);
if (TYPE_P (expr))
{
- bp_pack_value (bp, TYPE_SATURATING (expr), 1);
+ if (AGGREGATE_TYPE_P (expr))
+ bp_pack_value (bp, TYPE_REVERSE_STORAGE_ORDER (expr), 1);
+ else
+ bp_pack_value (bp, TYPE_SATURATING (expr), 1);
bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8);
}
+ else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
+ {
+ bp_pack_value (bp, REF_REVERSE_STORAGE_ORDER (expr), 1);
+ bp_pack_value (bp, 0, 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 if (TREE_CODE (expr) == CALL_EXPR)
+ {
+ bp_pack_value (bp, CALL_EXPR_BY_DESCRIPTOR (expr), 1);
+ bp_pack_value (bp, 0, 8);
+ }
else
bp_pack_value (bp, 0, 9);
}
bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
}
- if (TREE_CODE (expr) == FIELD_DECL)
+ else 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, DECL_PADDING_P (expr), 1);
bp_pack_value (bp, expr->decl_common.off_align, 8);
}
- if (TREE_CODE (expr) == VAR_DECL)
+ else if (VAR_P (expr))
{
bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
}
+ else if (TREE_CODE (expr) == PARM_DECL)
+ bp_pack_value (bp, DECL_HIDDEN_STRING_LENGTH (expr), 1);
+
if (TREE_CODE (expr) == RESULT_DECL
|| TREE_CODE (expr) == PARM_DECL
- || TREE_CODE (expr) == VAR_DECL)
+ || VAR_P (expr))
{
bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
- if (TREE_CODE (expr) == VAR_DECL
- || TREE_CODE (expr) == PARM_DECL)
+ if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (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)
+ if (VAR_P (expr))
{
bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
/* DECL_IN_TEXT_SECTION is set during final asm output only. */
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);
static void
pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
{
- bp_pack_machine_mode (bp, TYPE_MODE (expr));
+ /* for VECTOR_TYPE, TYPE_MODE reevaluates the mode using target_flags
+ not necessary valid in a global context.
+ Use the raw value previously set by layout_type. */
+ bp_pack_machine_mode (bp, TYPE_MODE_RAW (expr));
bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
/* TYPE_NO_FORCE_BLK is private to stor-layout and need
no streaming. */
bp_pack_value (bp, TYPE_NEEDS_CONSTRUCTING (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);
+ /* We used to stream TYPE_ALIAS_SET == 0 information to let frontends mark
+ types that are opaque for TBAA. This however did not work as intended,
+ because TYPE_ALIAS_SET == 0 was regularly lost in type merging. */
if (RECORD_OR_UNION_TYPE_P (expr))
{
bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (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);
+ if (AGGREGATE_TYPE_P (expr))
+ bp_pack_value (bp, TYPE_TYPELESS_STORAGE (expr), 1);
+ bp_pack_value (bp, TYPE_EMPTY_P (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);
}
if (MR_DEPENDENCE_CLIQUE (expr) != 0)
bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
}
+ else if (code == CALL_EXPR)
+ bp_pack_enum (&bp, internal_fn, IFN_LAST, CALL_EXPR_IFN (expr));
}
if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
}
-/* 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. */
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);
+ unsigned int count = vector_cst_encoded_nelts (expr);
+ for (unsigned int i = 0; i < count; ++i)
+ stream_write_tree (ob, VECTOR_CST_ENCODED_ELT (expr, i), ref_p);
+}
+
+
+/* Write all pointer fields in the TS_POLY_INT_CST structure of EXPR to
+ output block OB. If REF_P is true, write a reference to EXPR's pointer
+ fields. */
+
+static void
+write_ts_poly_tree_pointers (struct output_block *ob, tree expr, bool ref_p)
+{
+ for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
+ stream_write_tree (ob, POLY_INT_CST_COEFF (expr, i), ref_p);
}
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);
+ if (TREE_CODE (expr) != TRANSLATION_UNIT_DECL
+ && ! DECL_CONTEXT (expr))
+ stream_write_tree (ob, (*all_translation_units)[0], ref_p);
+ else
+ stream_write_tree (ob, DECL_CONTEXT (expr), ref_p);
}
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)
+ /* On non-early-LTO enabled targets we claim we compiled with -g0
+ but dwarf2out still did its set_decl_origin_self game fooling
+ itself late. Und that here since we won't have access to the
+ early generated abstract DIEs. */
+ tree ao = DECL_ABSTRACT_ORIGIN (expr);
+ if (debug_info_level == DINFO_LEVEL_NONE
+ && ao == expr)
+ ao = NULL_TREE;
+ stream_write_tree (ob, ao, ref_p);
+
+ if ((VAR_P (expr) || 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)
+ if (VAR_P (expr)
+ && DECL_HAS_DEBUG_EXPR_P (expr))
stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p);
}
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);
+ stream_write_tree (ob, TYPE_MIN_VALUE_RAW (expr), ref_p);
+ stream_write_tree (ob, TYPE_MAX_VALUE_RAW (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. */
+ For the rest them on the floor instead of ICEing in dwarf2out.c, but
+ keep the notion of whether the block is an inlined block by refering
+ to itself for the sake of tree_nonartificial_location. */
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);
+ stream_write_tree (ob, (BLOCK_ABSTRACT_ORIGIN (expr)
+ ? expr : 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. */
if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
write_ts_vector_tree_pointers (ob, expr, ref_p);
+ if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
+ write_ts_poly_tree_pointers (ob, expr, ref_p);
+
if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
write_ts_complex_tree_pointers (ob, expr, ref_p);
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))
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));
+ {
+ bitpack_d bp = bitpack_create (ob->main_stream);
+ bp_pack_value (&bp, VECTOR_CST_LOG2_NPATTERNS (expr), 8);
+ bp_pack_value (&bp, VECTOR_CST_NELTS_PER_PATTERN (expr), 8);
+ streamer_write_bitpack (&bp);
+ }
else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
git://gcc.gnu.org / gcc.git / blobdiff