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Clean up MPX-related stuff. 

2019-02-13  Martin Liska  <mliska@suse.cz>

	* builtins.h (expand_builtin_with_bounds): Remove declaration.
	* calls.c (struct arg_data): Remove special_slot, pointer_arg
	and pointer_offset fields.
	(initialize_argument_information): Remove usage of dead
	fields.
	* cgraph.h (struct cgraph_thunk_info): Remove
	add_pointer_bounds_args.
	* cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
	fields.
	(cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
	fields.
	* config/i386/i386.c (ix86_function_arg_advance): Remove
	unrelated comment.
	(struct builtin_isa): Remove leaf_p and nothrow_p fields.
	(def_builtin):  Remove usage of dead
	fields.
	(ix86_add_new_builtins): Likewise.
	* ipa-fnsummary.c (compute_fn_summary): Likewise.
	* ipa-icf.c (sem_function::equals_wpa): Likewise.
	(sem_function::init): Likewise.
	(sem_variable::merge): Likewise.
	* ipa-visibility.c (function_and_variable_visibility): Likewise.
	* ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
	* lto-cgraph.c (lto_output_node): Likewise.
	(lto_output_varpool_node): Likewise.
	(input_node): Likewise.
	(input_varpool_node): Likewise.
	* lto-streamer-out.c (lto_output): Likewise.
	* tree-inline.c (expand_call_inline): Remove usage of
	assign_stmts.
	* tree-inline.h (struct copy_body_data): Likewise.
	* varpool.c (varpool_node::dump): Likewise.

From-SVN: r268844
This commit is contained in:
Martin Liska 2019-02-13 14:49:34 +01:00 committed by Martin Liska
parent f17130a609
commit dbcdd5612f
15 changed files with 40 additions and 84 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
gcc/ChangeLog
View File

@ -1,3 +1,38 @@
2019-02-13 Martin Liska <mliska@suse.cz>
* builtins.h (expand_builtin_with_bounds): Remove declaration.
* calls.c (struct arg_data): Remove special_slot, pointer_arg
and pointer_offset fields.
(initialize_argument_information): Remove usage of dead
fields.
* cgraph.h (struct cgraph_thunk_info): Remove
add_pointer_bounds_args.
* cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
fields.
(cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
fields.
* config/i386/i386.c (ix86_function_arg_advance): Remove
unrelated comment.
(struct builtin_isa): Remove leaf_p and nothrow_p fields.
(def_builtin): Remove usage of dead
fields.
(ix86_add_new_builtins): Likewise.
* ipa-fnsummary.c (compute_fn_summary): Likewise.
* ipa-icf.c (sem_function::equals_wpa): Likewise.
(sem_function::init): Likewise.
(sem_variable::merge): Likewise.
* ipa-visibility.c (function_and_variable_visibility): Likewise.
* ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
* lto-cgraph.c (lto_output_node): Likewise.
(lto_output_varpool_node): Likewise.
(input_node): Likewise.
(input_varpool_node): Likewise.
* lto-streamer-out.c (lto_output): Likewise.
* tree-inline.c (expand_call_inline): Remove usage of
assign_stmts.
* tree-inline.h (struct copy_body_data): Likewise.
* varpool.c (varpool_node::dump): Likewise.
2019-02-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/89303

1
gcc/builtins.h
View File

@ -119,7 +119,6 @@ extern void expand_builtin_trap (void);
extern void expand_ifn_atomic_bit_test_and (gcall *);
extern void expand_ifn_atomic_compare_exchange (gcall *);
extern rtx expand_builtin (tree, rtx, rtx, machine_mode, int);
extern rtx expand_builtin_with_bounds (tree, rtx, rtx, machine_mode, int);
extern enum built_in_function builtin_mathfn_code (const_tree);
extern tree fold_builtin_expect (location_t, tree, tree, tree, tree);
extern bool avoid_folding_inline_builtin (tree);

14
gcc/calls.c
View File

@ -82,15 +82,6 @@ struct arg_data
/* If REG is a PARALLEL, this is a copy of VALUE pulled into the correct
form for emit_group_move. */
rtx parallel_value;
/* If value is passed in neither reg nor stack, this field holds a number
of a special slot to be used. */
rtx special_slot;
/* For pointer bounds hold an index of parm bounds are bound to. -1 if
there is no such pointer. */
int pointer_arg;
/* If pointer_arg refers a structure, then pointer_offset holds an offset
of a pointer in this structure. */
int pointer_offset;
/* If REG was promoted from the actual mode of the argument expression,
indicates whether the promotion is sign- or zero-extended. */
int unsignedp;
@ -2129,10 +2120,7 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
argpos < n_named_args);
if (args[i].reg && CONST_INT_P (args[i].reg))
{
args[i].special_slot = args[i].reg;
args[i].reg = NULL;
}
args[i].reg = NULL;
/* If this is a sibling call and the machine has register windows, the
register window has to be unwinded before calling the routine, so

7
gcc/cgraph.h
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@ -690,9 +690,6 @@ struct GTY(()) cgraph_thunk_info {
the virtual one. */
bool virtual_offset_p;
/* ??? True for special kind of thunks, seems related to instrumentation. */
bool add_pointer_bounds_args;
/* Set to true when alias node (the cgraph_node to which this struct belong)
is a thunk. Access to any other fields is invalid if this is false. */
bool thunk_p;
@ -1939,10 +1936,6 @@ public:
/* Set when variable is scheduled to be assembled. */
unsigned output : 1;
/* Set when variable has statically initialized pointer
or is a static bounds variable and needs initalization. */
unsigned need_bounds_init : 1;
/* Set if the variable is dynamically initialized, except for
function local statics. */
unsigned dynamically_initialized : 1;

8
gcc/cgraphunit.c
View File

@ -1782,11 +1782,6 @@ cgraph_node::expand_thunk (bool output_asm_thunks, bool force_gimple_thunk)
tree thunk_fndecl = decl;
tree a;
/* Instrumentation thunk is the same function with
a different signature. Never need to expand it. */
if (thunk.add_pointer_bounds_args)
return false;
if (!force_gimple_thunk
&& this_adjusting
&& indirect_offset == 0
@ -2123,8 +2118,7 @@ cgraph_node::assemble_thunks_and_aliases (void)
for (e = callers; e;)
if (e->caller->thunk.thunk_p
&& !e->caller->global.inlined_to
&& !e->caller->thunk.add_pointer_bounds_args)
&& !e->caller->global.inlined_to)
{
cgraph_node *thunk = e->caller;

13
gcc/config/i386/i386.c
View File

@ -8324,8 +8324,6 @@ ix86_function_arg_advance (cumulative_args_t cum_v, machine_mode mode,
else
nregs = function_arg_advance_32 (cum, mode, type, bytes, words);
/* For pointers passed in memory we expect bounds passed in Bounds
Table. */
if (!nregs)
{
/* Track if there are outgoing arguments on stack. */
@ -30421,8 +30419,6 @@ struct builtin_isa {
enum ix86_builtin_func_type tcode; /* type to use in the declaration */
unsigned char const_p:1; /* true if the declaration is constant */
unsigned char pure_p:1; /* true if the declaration has pure attribute */
bool leaf_p; /* true if the declaration has leaf attribute */
bool nothrow_p; /* true if the declaration has nothrow attribute */
bool set_and_not_built_p;
};
@ -30493,8 +30489,6 @@ def_builtin (HOST_WIDE_INT mask, HOST_WIDE_INT mask2,
ix86_builtins[(int) code] = NULL_TREE;
ix86_builtins_isa[(int) code].tcode = tcode;
ix86_builtins_isa[(int) code].name = name;
ix86_builtins_isa[(int) code].leaf_p = false;
ix86_builtins_isa[(int) code].nothrow_p = false;
ix86_builtins_isa[(int) code].const_p = false;
ix86_builtins_isa[(int) code].pure_p = false;
ix86_builtins_isa[(int) code].set_and_not_built_p = true;
@ -30574,13 +30568,6 @@ ix86_add_new_builtins (HOST_WIDE_INT isa, HOST_WIDE_INT isa2)
ix86_builtins[i] = decl;
if (ix86_builtins_isa[i].const_p)
TREE_READONLY (decl) = 1;
if (ix86_builtins_isa[i].pure_p)
DECL_PURE_P (decl) = 1;
if (ix86_builtins_isa[i].leaf_p)
DECL_ATTRIBUTES (decl) = build_tree_list (get_identifier ("leaf"),
NULL_TREE);
if (ix86_builtins_isa[i].nothrow_p)
TREE_NOTHROW (decl) = 1;
}
}

18
gcc/ipa-fnsummary.c
View File

@ -2449,13 +2449,7 @@ compute_fn_summary (struct cgraph_node *node, bool early)
info->account_size_time (2 * ipa_fn_summary::size_scale, 0, t, t);
ipa_update_overall_fn_summary (node);
info->self_size = info->size;
/* We cannot inline instrumentation clones. */
if (node->thunk.add_pointer_bounds_args)
{
info->inlinable = false;
node->callees->inline_failed = CIF_CHKP;
}
else if (stdarg_p (TREE_TYPE (node->decl)))
if (stdarg_p (TREE_TYPE (node->decl)))
{
info->inlinable = false;
node->callees->inline_failed = CIF_VARIADIC_THUNK;
@ -2501,16 +2495,6 @@ compute_fn_summary (struct cgraph_node *node, bool early)
node->local.can_change_signature = !e;
}
}
/* Functions called by instrumentation thunk can't change signature
because instrumentation thunk modification is not supported. */
if (node->local.can_change_signature)
for (e = node->callers; e; e = e->next_caller)
if (e->caller->thunk.thunk_p
&& e->caller->thunk.add_pointer_bounds_args)
{
node->local.can_change_signature = false;
break;
}
analyze_function_body (node, early);
pop_cfun ();
}

5
gcc/ipa-icf.c
View File

@ -548,9 +548,6 @@ sem_function::equals_wpa (sem_item *item,
return return_false_with_msg ("thunk this_adjusting mismatch");
if (cnode->thunk.virtual_offset_p != cnode2->thunk.virtual_offset_p)
return return_false_with_msg ("thunk virtual_offset_p mismatch");
if (cnode->thunk.add_pointer_bounds_args
!= cnode2->thunk.add_pointer_bounds_args)
return return_false_with_msg ("thunk add_pointer_bounds_args mismatch");
}
/* Compare special function DECL attributes. */
@ -1407,7 +1404,6 @@ sem_function::init (void)
hstate.add_hwi (cnode->thunk.virtual_value);
hstate.add_flag (cnode->thunk.this_adjusting);
hstate.add_flag (cnode->thunk.virtual_offset_p);
hstate.add_flag (cnode->thunk.add_pointer_bounds_args);
gcode_hash = hstate.end ();
}
}
@ -2205,7 +2201,6 @@ sem_variable::merge (sem_item *alias_item)
DECL_INITIAL (alias->decl) = NULL;
((symtab_node *)alias)->call_for_symbol_and_aliases (clear_decl_rtl,
NULL, true);
alias->need_bounds_init = false;
alias->remove_all_references ();
if (TREE_ADDRESSABLE (alias->decl))
original->call_for_symbol_and_aliases (set_addressable, NULL, true);

1
gcc/ipa-visibility.c
View File

@ -721,7 +721,6 @@ function_and_variable_visibility (bool whole_program)
localize_node (whole_program, node);
if (node->thunk.thunk_p
&& !node->thunk.add_pointer_bounds_args
&& TREE_PUBLIC (node->decl))
{
struct cgraph_node *decl_node = node;

6
gcc/ipa.c
View File

@ -548,12 +548,6 @@ symbol_table::remove_unreachable_nodes (FILE *file)
node->remove_callees ();
node->remove_all_references ();
changed = true;
if (node->thunk.thunk_p
&& node->thunk.add_pointer_bounds_args)
{
node->thunk.thunk_p = false;
node->thunk.add_pointer_bounds_args = false;
}
}
}
else

6
gcc/lto-cgraph.c
View File

@ -556,8 +556,7 @@ lto_output_node (struct lto_simple_output_block *ob, struct cgraph_node *node,
streamer_write_uhwi_stream
(ob->main_stream,
1 + (node->thunk.this_adjusting != 0) * 2
+ (node->thunk.virtual_offset_p != 0) * 4
+ (node->thunk.add_pointer_bounds_args != 0) * 8);
+ (node->thunk.virtual_offset_p != 0) * 4);
streamer_write_uhwi_stream (ob->main_stream, node->thunk.fixed_offset);
streamer_write_uhwi_stream (ob->main_stream, node->thunk.virtual_value);
streamer_write_uhwi_stream (ob->main_stream, node->thunk.indirect_offset);
@ -631,7 +630,6 @@ lto_output_varpool_node (struct lto_simple_output_block *ob, varpool_node *node,
bp_pack_value (&bp, node->tls_model, 3);
bp_pack_value (&bp, node->used_by_single_function, 1);
bp_pack_value (&bp, node->dynamically_initialized, 1);
bp_pack_value (&bp, node->need_bounds_init, 1);
streamer_write_bitpack (&bp);
group = node->get_comdat_group ();
@ -1311,7 +1309,6 @@ input_node (struct lto_file_decl_data *file_data,
node->thunk.indirect_offset = indirect_offset;
node->thunk.this_adjusting = (type & 2);
node->thunk.virtual_offset_p = (type & 4);
node->thunk.add_pointer_bounds_args = (type & 8);
}
if (node->alias && !node->analyzed && node->weakref)
node->alias_target = get_alias_symbol (node->decl);
@ -1382,7 +1379,6 @@ input_varpool_node (struct lto_file_decl_data *file_data,
node->tls_model = (enum tls_model)bp_unpack_value (&bp, 3);
node->used_by_single_function = (enum tls_model)bp_unpack_value (&bp, 1);
node->dynamically_initialized = bp_unpack_value (&bp, 1);
node->need_bounds_init = bp_unpack_value (&bp, 1);
group = read_identifier (ib);
if (group)
{

3
gcc/lto-streamer-out.c
View File

@ -2412,8 +2412,7 @@ lto_output (void)
if (cgraph_node *node = dyn_cast <cgraph_node *> (snode))
{
if (lto_symtab_encoder_encode_body_p (encoder, node)
&& !node->alias
&& (!node->thunk.thunk_p || !node->thunk.add_pointer_bounds_args))
&& !node->alias)
{
if (flag_checking)
{

2
gcc/tree-inline.c
View File

@ -4554,7 +4554,6 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
/* We will be inlining this callee. */
id->eh_lp_nr = lookup_stmt_eh_lp (stmt);
id->assign_stmts.create (0);
/* Update the callers EH personality. */
if (DECL_FUNCTION_PERSONALITY (fn))
@ -4916,7 +4915,6 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
TREE_USED (gimple_assign_rhs1 (stmt)) = 1;
}
id->assign_stmts.release ();
id->add_clobbers_to_eh_landing_pads = 0;
/* Output the inlining info for this abstract function, since it has been

3
gcc/tree-inline.h
View File

@ -63,9 +63,6 @@ struct copy_body_data
/* The VAR_DECL for the return value. */
tree retvar;
/* Assign statements that need bounds copy. */
vec<gimple *> assign_stmts;
/* The map from local declarations in the inlined function to
equivalents in the function into which it is being inlined. */
hash_map<tree, tree> *decl_map;

2
gcc/varpool.c
View File

@ -226,8 +226,6 @@ varpool_node::dump (FILE *f)
fprintf (f, " output");
if (used_by_single_function)
fprintf (f, " used-by-single-function");
if (need_bounds_init)
fprintf (f, " need-bounds-init");
if (TREE_READONLY (decl))
fprintf (f, " read-only");
if (ctor_useable_for_folding_p ())