+2017-01-24 David Malcolm <dmalcolm@redhat.com>
+
+ * cfg.c (original_copy_tables_initialized_p): New function.
+ * cfg.h (original_copy_tables_initialized_p): New decl.
+ * cfgrtl.c (relink_block_chain): Guard the call to
+ free_original_copy_tables with a call to
+ original_copy_tables_initialized_p.
+ * cgraph.h (symtab_node::native_rtl_p): New decl.
+ * cgraphunit.c (symtab_node::native_rtl_p): New function.
+ (symtab_node::needed_p): Don't assert for early assembly output
+ for __RTL functions.
+ (cgraph_node::finalize_function): Set "force_output" for __RTL
+ functions.
+ (cgraph_node::analyze): Bail out early for __RTL functions.
+ (analyze_functions): Update assertion to support __RTL functions.
+ (cgraph_node::expand): Bail out early for __RTL functions.
+ * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
+ __RTL functions.
+ * function.h (struct function): Update comment for field
+ "pass_startwith".
+ * gimple-expr.c: Include "tree-pass.h".
+ (gimple_has_body_p): Return false for __RTL functions.
+ * Makefile.in (OBJS): Add run-rtl-passes.o.
+ * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
+ accessor.
+ (gcc::pass_manager::get_clean_slate): New accessor.
+ * passes.c: Include "insn-addr.h".
+ (should_skip_pass_p): Add logging. Update logic for running
+ "expand" to be compatible with both __GIMPLE and __RTL. Guard
+ property-provider override so it is only done for gimple passes.
+ Don't skip dfinit.
+ (skip_pass): New function.
+ (execute_one_pass): Call skip_pass when skipping passes.
+ * read-md.c (md_reader::read_char): Support filtering
+ the input to a subset of line numbers.
+ (md_reader::md_reader): Initialize fields
+ m_first_line and m_last_line.
+ (md_reader::read_file_fragment): New function.
+ * read-md.h (md_reader::read_file_fragment): New decl.
+ (md_reader::m_first_line): New field.
+ (md_reader::m_last_line): New field.
+ * read-rtl-function.c (function_reader::create_function): Only
+ create cfun if it doesn't already exist. Set PROP_rtl on cfun's
+ curr_properties. Set DECL_INITIAL to a dummy block.
+ (read_rtl_function_body_from_file_range): New function.
+ * read-rtl-function.h (read_rtl_function_body_from_file_range):
+ New decl.
+ * run-rtl-passes.c: New file.
+ * run-rtl-passes.h: New file.
+
2017-01-24 Jeff Law <law@redhat.com>
* config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
rtlhash.o \
rtlanal.o \
rtlhooks.o \
+ run-rtl-passes.o \
sbitmap.o \
sched-deps.o \
sched-ebb.o \
+2017-01-24 David Malcolm <dmalcolm@redhat.com>
+
+ * c-common.c (c_common_reswords): Add "__RTL".
+ * c-common.h (enum rid): Add RID_RTL.
+
2017-01-20 Marek Polacek <polacek@redhat.com>
PR c/64279
{ "__volatile__", RID_VOLATILE, 0 },
{ "__GIMPLE", RID_GIMPLE, D_CONLY },
{ "__PHI", RID_PHI, D_CONLY },
+ { "__RTL", RID_RTL, D_CONLY },
{ "alignas", RID_ALIGNAS, D_CXXONLY | D_CXX11 | D_CXXWARN },
{ "alignof", RID_ALIGNOF, D_CXXONLY | D_CXX11 | D_CXXWARN },
{ "asm", RID_ASM, D_ASM },
/* "__PHI", for parsing PHI function in GIMPLE FE. */
RID_PHI,
+ /* "__RTL", for the RTL-parsing extension to the C frontend. */
+ RID_RTL,
+
/* C11 */
RID_ALIGNAS, RID_GENERIC,
+2017-01-24 David Malcolm <dmalcolm@redhat.com>
+
+ * c-parser.c: Include "read-rtl-function.h" and
+ "run-rtl-passes.h".
+ (c_parser_declaration_or_fndef): Rename "gimple-pass-list" in
+ grammar to gimple-or-rtl-pass-list. Add rtl-function-definition
+ production. Update for renaming of field "gimple_pass" to
+ "gimple_or_rtl_pass". If __RTL was seen, call
+ c_parser_parse_rtl_body. Convert a timevar_push/pop pair
+ to an auto_timevar, to cope with early exit.
+ (c_parser_declspecs): Update RID_GIMPLE handling for renaming of
+ field "gimple_pass" to "gimple_or_rtl_pass", and for renaming of
+ c_parser_gimple_pass_list to c_parser_gimple_or_rtl_pass_list.
+ Handle RID_RTL.
+ (c_parser_parse_rtl_body): New function.
+ * c-tree.h (enum c_declspec_word): Add cdw_rtl.
+ (struct c_declspecs): Rename field "gimple_pass" to
+ "gimple_or_rtl_pass". Add field "rtl_p".
+ * gimple-parser.c (c_parser_gimple_pass_list): Rename to...
+ (c_parser_gimple_or_rtl_pass_list): ...this, updating accordingly.
+ * gimple-parser.h (c_parser_gimple_pass_list): Rename to...
+ (c_parser_gimple_or_rtl_pass_list): ...this.
+
2017-01-20 Marek Polacek <polacek@redhat.com>
PR c/64279
#include "gcc-rich-location.h"
#include "c-parser.h"
#include "gimple-parser.h"
+#include "read-rtl-function.h"
+#include "run-rtl-passes.h"
/* We need to walk over decls with incomplete struct/union/enum types
after parsing the whole translation unit.
static tree c_parser_cilk_clause_vectorlength (c_parser *, tree, bool);
static void c_parser_cilk_grainsize (c_parser *, bool *);
+static void c_parser_parse_rtl_body (c_parser *parser, char *start_with_pass);
+
/* Parse a translation unit (C90 6.7, C99 6.9).
translation-unit:
GIMPLE:
gimple-function-definition:
- declaration-specifiers[opt] __GIMPLE (gimple-pass-list) declarator
+ declaration-specifiers[opt] __GIMPLE (gimple-or-rtl-pass-list) declarator
+ declaration-list[opt] compound-statement
+
+ rtl-function-definition:
+ declaration-specifiers[opt] __RTL (gimple-or-rtl-pass-list) declarator
declaration-list[opt] compound-statement */
static void
tv = TV_PARSE_INLINE;
else
tv = TV_PARSE_FUNC;
- timevar_push (tv);
+ auto_timevar at (g_timer, tv);
/* Parse old-style parameter declarations. ??? Attributes are
not allowed to start declaration specifiers here because of a
function body as GIMPLE. */
if (specs->gimple_p)
{
- cfun->pass_startwith = specs->gimple_pass;
+ cfun->pass_startwith = specs->gimple_or_rtl_pass;
bool saved = in_late_binary_op;
in_late_binary_op = true;
c_parser_parse_gimple_body (parser);
in_late_binary_op = saved;
}
+ /* Similarly, if it was marked with __RTL, use the RTL parser now,
+ consuming the function body. */
+ else if (specs->rtl_p)
+ {
+ c_parser_parse_rtl_body (parser, specs->gimple_or_rtl_pass);
+
+ /* Normally, store_parm_decls sets next_is_function_body,
+ anticipating a function body. We need a push_scope/pop_scope
+ pair to flush out this state, or subsequent function parsing
+ will go wrong. */
+ push_scope ();
+ pop_scope ();
+
+ finish_function ();
+ return;
+ }
else
{
fnbody = c_parser_compound_statement (parser);
if (specs->gimple_p)
DECL_SAVED_TREE (fndecl) = NULL_TREE;
- timevar_pop (tv);
break;
}
}
c_parser_consume_token (parser);
specs->gimple_p = true;
specs->locations[cdw_gimple] = loc;
- specs->gimple_pass = c_parser_gimple_pass_list (parser);
+ specs->gimple_or_rtl_pass = c_parser_gimple_or_rtl_pass_list (parser);
+ break;
+ case RID_RTL:
+ c_parser_consume_token (parser);
+ specs->rtl_p = true;
+ specs->locations[cdw_rtl] = loc;
+ specs->gimple_or_rtl_pass = c_parser_gimple_or_rtl_pass_list (parser);
break;
default:
goto out;
return value_tree;
}
+/* Parse the body of a function declaration marked with "__RTL".
+
+ The RTL parser works on the level of characters read from a
+ FILE *, whereas c_parser works at the level of tokens.
+ Square this circle by consuming all of the tokens up to and
+ including the closing brace, recording the start/end of the RTL
+ fragment, and reopening the file and re-reading the relevant
+ lines within the RTL parser.
+
+ This requires the opening and closing braces of the C function
+ to be on separate lines from the RTL they wrap.
+
+ Take ownership of START_WITH_PASS, if non-NULL. */
+
+void
+c_parser_parse_rtl_body (c_parser *parser, char *start_with_pass)
+{
+ if (!c_parser_require (parser, CPP_OPEN_BRACE, "expected %<{%>"))
+ {
+ free (start_with_pass);
+ return;
+ }
+
+ location_t start_loc = c_parser_peek_token (parser)->location;
+
+ /* Consume all tokens, up to the closing brace, handling
+ matching pairs of braces in the rtl dump. */
+ int num_open_braces = 1;
+ while (1)
+ {
+ switch (c_parser_peek_token (parser)->type)
+ {
+ case CPP_OPEN_BRACE:
+ num_open_braces++;
+ break;
+ case CPP_CLOSE_BRACE:
+ if (--num_open_braces == 0)
+ goto found_closing_brace;
+ break;
+ case CPP_EOF:
+ error_at (start_loc, "no closing brace");
+ free (start_with_pass);
+ return;
+ default:
+ break;
+ }
+ c_parser_consume_token (parser);
+ }
+
+ found_closing_brace:
+ /* At the closing brace; record its location. */
+ location_t end_loc = c_parser_peek_token (parser)->location;
+
+ /* Consume the closing brace. */
+ c_parser_consume_token (parser);
+
+ /* Invoke the RTL parser. */
+ if (!read_rtl_function_body_from_file_range (start_loc, end_loc))
+ {
+ free (start_with_pass);
+ return;
+ }
+
+ /* If a pass name was provided for START_WITH_PASS, run the backend
+ accordingly now, on the cfun created above, transferring
+ ownership of START_WITH_PASS. */
+ if (start_with_pass)
+ run_rtl_passes (start_with_pass);
+}
+
#include "gt-c-c-parser.h"
cdw_alignas,
cdw_address_space,
cdw_gimple,
+ cdw_rtl,
cdw_number_of_elements /* This one must always be the last
enumerator. */
};
NULL; attributes (possibly from multiple lists) will be passed
separately. */
tree attrs;
- /* The pass to start compiling a __GIMPLE function with. */
- char *gimple_pass;
+ /* The pass to start compiling a __GIMPLE or __RTL function with. */
+ char *gimple_or_rtl_pass;
/* The base-2 log of the greatest alignment required by an _Alignas
specifier, in bytes, or -1 if no such specifiers with nonzero
alignment. */
BOOL_BITFIELD alignas_p : 1;
/* Whether any __GIMPLE specifier was specified. */
BOOL_BITFIELD gimple_p : 1;
+ /* Whether any __RTL specifier was specified. */
+ BOOL_BITFIELD rtl_p : 1;
/* The address space that the declaration belongs to. */
addr_space_t address_space;
};
return;
}
-/* Parse gimple pass list.
+/* Parse gimple/RTL pass list.
- gimple-pass-list:
+ gimple-or-rtl-pass-list:
startwith("pass-name")
*/
char *
-c_parser_gimple_pass_list (c_parser *parser)
+c_parser_gimple_or_rtl_pass_list (c_parser *parser)
{
char *pass = NULL;
- /* Accept __GIMPLE. */
+ /* Accept __GIMPLE/__RTL. */
if (c_parser_next_token_is_not (parser, CPP_OPEN_PAREN))
return NULL;
c_parser_consume_token (parser);
/* Gimple parsing functions. */
extern void c_parser_parse_gimple_body (c_parser *);
-extern char *c_parser_gimple_pass_list (c_parser *);
+extern char *c_parser_gimple_or_rtl_pass_list (c_parser *);
#endif
original_copy_bb_pool = NULL;
}
+/* Return true iff we have had a call to initialize_original_copy_tables
+ without a corresponding call to free_original_copy_tables. */
+
+bool
+original_copy_tables_initialized_p (void)
+{
+ return original_copy_bb_pool != NULL;
+}
+
/* Removes the value associated with OBJ from table TAB. */
static void
extern void initialize_original_copy_tables (void);
extern void reset_original_copy_tables (void);
extern void free_original_copy_tables (void);
+extern bool original_copy_tables_initialized_p (void);
extern void set_bb_original (basic_block, basic_block);
extern basic_block get_bb_original (basic_block);
extern void set_bb_copy (basic_block, basic_block);
/* Maybe reset the original copy tables, they are not valid anymore
when we renumber the basic blocks in compact_blocks. If we are
are going out of cfglayout mode, don't re-allocate the tables. */
- free_original_copy_tables ();
+ if (original_copy_tables_initialized_p ())
+ free_original_copy_tables ();
if (stay_in_cfglayout_mode)
initialize_original_copy_tables ();
configury. This function is used just during symbol creation. */
bool needed_p (void);
+ /* Return true if this symbol is a function from the C frontend specified
+ directly in RTL form (with "__RTL"). */
+ bool native_rtl_p () const;
+
/* Return true when there are references to the node. */
bool referred_to_p (bool include_self = true);
/* Used for vtable lookup in thunk adjusting. */
static GTY (()) tree vtable_entry_type;
+/* Return true if this symbol is a function from the C frontend specified
+ directly in RTL form (with "__RTL"). */
+
+bool
+symtab_node::native_rtl_p () const
+{
+ if (TREE_CODE (decl) != FUNCTION_DECL)
+ return false;
+ if (!DECL_STRUCT_FUNCTION (decl))
+ return false;
+ return DECL_STRUCT_FUNCTION (decl)->curr_properties & PROP_rtl;
+}
+
/* Determine if symbol declaration is needed. That is, visible to something
either outside this translation unit, something magic in the system
configury */
{
/* Double check that no one output the function into assembly file
early. */
- gcc_checking_assert (!DECL_ASSEMBLER_NAME_SET_P (decl)
- || !TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)));
+ if (!native_rtl_p ())
+ gcc_checking_assert
+ (!DECL_ASSEMBLER_NAME_SET_P (decl)
+ || !TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)));
if (!definition)
return false;
&& !DECL_DISREGARD_INLINE_LIMITS (decl))
node->force_output = 1;
+ /* __RTL functions were already output as soon as they were parsed (due
+ to the large amount of global state in the backend).
+ Mark such functions as "force_output" to reflect the fact that they
+ will be in the asm file when considering the symbols they reference.
+ The attempt to output them later on will bail out immediately. */
+ if (node->native_rtl_p ())
+ node->force_output = 1;
+
/* When not optimizing, also output the static functions. (see
PR24561), but don't do so for always_inline functions, functions
declared inline and nested functions. These were optimized out
void
cgraph_node::analyze (void)
{
+ if (native_rtl_p ())
+ {
+ analyzed = true;
+ return;
+ }
+
tree decl = this->decl;
location_t saved_loc = input_location;
input_location = DECL_SOURCE_LOCATION (decl);
gcc_assert (!cnode->definition || cnode->thunk.thunk_p
|| cnode->alias
- || gimple_has_body_p (decl));
+ || gimple_has_body_p (decl)
+ || cnode->native_rtl_p ());
gcc_assert (cnode->analyzed == cnode->definition);
}
node->aux = NULL;
/* We ought to not compile any inline clones. */
gcc_assert (!global.inlined_to);
+ /* __RTL functions are compiled as soon as they are parsed, so don't
+ do it again. */
+ if (native_rtl_p ())
+ return;
+
announce_function (decl);
process = 0;
gcc_assert (lowered);
free_bb_for_insn ();
- delete_tree_ssa (cfun);
+ if (cfun->gimple_df)
+ delete_tree_ssa (cfun);
/* We can reduce stack alignment on call site only when we are sure that
the function body just produced will be actually used in the final
/* The loops in this function. */
struct loops *x_current_loops;
- /* Filled by the GIMPLE FE, pass to start compilation with. */
+ /* Filled by the GIMPLE and RTL FEs, pass to start compilation with. */
char *pass_startwith;
/* The stack usage of this function. */
#include "demangle.h"
#include "hash-set.h"
#include "rtl.h"
+#include "tree-pass.h"
/* ----- Type related ----- */
gimple_has_body_p (tree fndecl)
{
struct function *fn = DECL_STRUCT_FUNCTION (fndecl);
- return (gimple_body (fndecl) || (fn && fn->cfg));
+ return (gimple_body (fndecl) || (fn && fn->cfg && !(fn->curr_properties & PROP_rtl)));
}
/* Return a printable name for symbol DECL. */
opt_pass *get_pass_by_name (const char *name);
+ opt_pass *get_rest_of_compilation () const
+ {
+ return pass_rest_of_compilation_1;
+ }
+ opt_pass *get_clean_slate () const { return pass_clean_state_1; }
+
public:
/* The root of the compilation pass tree, once constructed. */
opt_pass *all_passes;
#include "cfgrtl.h"
#include "tree-ssa-live.h" /* For remove_unused_locals. */
#include "tree-cfgcleanup.h"
+#include "insn-addr.h" /* for INSN_ADDRESSES_ALLOC. */
using namespace gcc;
if (!cfun->pass_startwith)
return false;
- /* We can't skip the lowering phase yet -- ideally we'd
- drive that phase fully via properties. */
- if (!(cfun->curr_properties & PROP_ssa))
- return false;
+ /* For __GIMPLE functions, we have to at least start when we leave
+ SSA. Hence, we need to detect the "expand" pass, and stop skipping
+ when we encounter it. A cheap way to identify "expand" is it to
+ detect the destruction of PROP_ssa.
+ For __RTL functions, we invoke "rest_of_compilation" directly, which
+ is after "expand", and hence we don't reach this conditional. */
+ if (pass->properties_destroyed & PROP_ssa)
+ {
+ if (!quiet_flag)
+ fprintf (stderr, "starting anyway when leaving SSA: %s\n", pass->name);
+ cfun->pass_startwith = NULL;
+ return false;
+ }
if (determine_pass_name_match (pass->name, cfun->pass_startwith))
{
+ if (!quiet_flag)
+ fprintf (stderr, "found starting pass: %s\n", pass->name);
cfun->pass_startwith = NULL;
return false;
}
- /* And also run any property provider. */
- if (pass->properties_provided != 0)
+ /* For GIMPLE passes, run any property provider (but continue skipping
+ afterwards).
+ We don't want to force running RTL passes that are property providers:
+ "expand" is covered above, and the only pass other than "expand" that
+ provides a property is "into_cfglayout" (PROP_cfglayout), which does
+ too much for a dumped __RTL function. */
+ if (pass->type == GIMPLE_PASS
+ && pass->properties_provided != 0)
return false;
+ /* Don't skip df init; later RTL passes need it. */
+ if (strstr (pass->name, "dfinit") != NULL)
+ return false;
+
+ if (!quiet_flag)
+ fprintf (stderr, "skipping pass: %s\n", pass->name);
+
/* If we get here, then we have a "startwith" that we haven't seen yet;
skip the pass. */
return true;
}
+/* Skip the given pass, for handling passes before "startwith"
+ in __GIMPLE and__RTL-marked functions.
+ In theory, this ought to be a no-op, but some of the RTL passes
+ need additional processing here. */
+
+static void
+skip_pass (opt_pass *pass)
+{
+ /* Pass "reload" sets the global "reload_completed", and many
+ things depend on this (e.g. instructions in .md files). */
+ if (strcmp (pass->name, "reload") == 0)
+ reload_completed = 1;
+
+ /* The INSN_ADDRESSES vec is normally set up by
+ shorten_branches; set it up for the benefit of passes that
+ run after this. */
+ if (strcmp (pass->name, "shorten") == 0)
+ INSN_ADDRESSES_ALLOC (get_max_uid ());
+
+ /* Update the cfg hooks as appropriate. */
+ if (strcmp (pass->name, "into_cfglayout") == 0)
+ {
+ cfg_layout_rtl_register_cfg_hooks ();
+ cfun->curr_properties |= PROP_cfglayout;
+ }
+ if (strcmp (pass->name, "outof_cfglayout") == 0)
+ {
+ rtl_register_cfg_hooks ();
+ cfun->curr_properties &= ~PROP_cfglayout;
+ }
+}
+
/* Execute PASS. */
bool
}
if (should_skip_pass_p (pass))
- return true;
+ {
+ skip_pass (pass);
+ return true;
+ }
/* Pass execution event trigger: useful to identify passes being
executed. */
else
m_read_md_colno++;
+ /* If we're filtering lines, treat everything before the range of
+ interest as a space, and as EOF for everything after. */
+ if (m_first_line && m_last_line)
+ {
+ if (m_read_md_lineno < m_first_line)
+ return ' ';
+ if (m_read_md_lineno > m_last_line)
+ return EOF;
+ }
+
return ch;
}
m_read_md_lineno (0),
m_read_md_colno (0),
m_first_dir_md_include (NULL),
- m_last_dir_md_include_ptr (&m_first_dir_md_include)
+ m_last_dir_md_include_ptr (&m_first_dir_md_include),
+ m_first_line (0),
+ m_last_line (0)
{
/* Set the global singleton pointer. */
md_reader_ptr = this;
return !have_error;
}
+/* Read FILENAME, filtering to just the given lines. */
+
+bool
+md_reader::read_file_fragment (const char *filename,
+ int first_line,
+ int last_line)
+{
+ m_read_md_filename = filename;
+ m_read_md_file = fopen (m_read_md_filename, "r");
+ if (m_read_md_file == 0)
+ {
+ perror (m_read_md_filename);
+ return false;
+ }
+ m_first_line = first_line;
+ m_last_line = last_line;
+ handle_toplevel_file ();
+ return !have_error;
+}
+
/* class noop_reader : public md_reader */
/* A dummy implementation which skips unknown directives. */
bool read_md_files (int, const char **, bool (*) (const char *));
bool read_file (const char *filename);
+ bool read_file_fragment (const char *filename,
+ int first_line,
+ int last_line);
/* A hook that handles a single .md-file directive, up to but not
including the closing ')'. It takes two arguments: the file position
/* A table of enum_type structures, hashed by name. */
htab_t m_enum_types;
+
+ /* If non-zero, filter the input to just this subset of lines. */
+ int m_first_line;
+ int m_last_line;
};
/* Global singleton; constrast with rtx_reader_ptr below. */
/* We start in cfgrtl mode, rather than cfglayout mode. */
rtl_register_cfg_hooks ();
- /* Create cfun. */
- tree fn_name = get_identifier (m_name ? m_name : "test_1");
- tree int_type = integer_type_node;
- tree return_type = int_type;
- tree arg_types[3] = {int_type, int_type, int_type};
- tree fn_type = build_function_type_array (return_type, 3, arg_types);
- tree fndecl = build_decl (UNKNOWN_LOCATION, FUNCTION_DECL, fn_name, fn_type);
- tree resdecl = build_decl (UNKNOWN_LOCATION, RESULT_DECL, NULL_TREE,
- return_type);
- DECL_ARTIFICIAL (resdecl) = 1;
- DECL_IGNORED_P (resdecl) = 1;
- DECL_RESULT (fndecl) = resdecl;
- allocate_struct_function (fndecl, false);
- /* This sets cfun. */
-
- current_function_decl = fndecl;
+ /* When run from selftests or "rtl1", cfun is NULL.
+ When run from "cc1" for a C function tagged with __RTL, cfun is the
+ tagged function. */
+ if (!cfun)
+ {
+ tree fn_name = get_identifier (m_name ? m_name : "test_1");
+ tree int_type = integer_type_node;
+ tree return_type = int_type;
+ tree arg_types[3] = {int_type, int_type, int_type};
+ tree fn_type = build_function_type_array (return_type, 3, arg_types);
+ tree fndecl = build_decl (UNKNOWN_LOCATION, FUNCTION_DECL, fn_name, fn_type);
+ tree resdecl = build_decl (UNKNOWN_LOCATION, RESULT_DECL, NULL_TREE,
+ return_type);
+ DECL_ARTIFICIAL (resdecl) = 1;
+ DECL_IGNORED_P (resdecl) = 1;
+ DECL_RESULT (fndecl) = resdecl;
+ allocate_struct_function (fndecl, false);
+ /* This sets cfun. */
+ current_function_decl = fndecl;
+ }
+
+ gcc_assert (cfun);
+ gcc_assert (current_function_decl);
+ tree fndecl = current_function_decl;
+
+ /* Mark this function as being specified as __RTL. */
+ cfun->curr_properties |= PROP_rtl;
+
+ /* cc1 normally inits DECL_INITIAL (fndecl) to be error_mark_node.
+ Create a dummy block for it. */
+ DECL_INITIAL (fndecl) = make_node (BLOCK);
cfun->curr_properties = (PROP_cfg | PROP_rtl);
return true;
}
+/* Run the RTL dump parser on the range of lines between START_LOC and
+ END_LOC (including those lines). */
+
+bool
+read_rtl_function_body_from_file_range (location_t start_loc,
+ location_t end_loc)
+{
+ expanded_location exploc_start = expand_location (start_loc);
+ expanded_location exploc_end = expand_location (end_loc);
+
+ if (exploc_start.file != exploc_end.file)
+ {
+ error_at (end_loc, "start/end of RTL fragment are in different files");
+ return false;
+ }
+ if (exploc_start.line >= exploc_end.line)
+ {
+ error_at (end_loc,
+ "start of RTL fragment must be on an earlier line than end");
+ return false;
+ }
+
+ initialize_rtl ();
+ init_emit ();
+ init_varasm_status ();
+
+ function_reader reader;
+ if (!reader.read_file_fragment (exploc_start.file, exploc_start.line,
+ exploc_end.line - 1))
+ return false;
+
+ return true;
+}
+
#if CHECKING_P
namespace selftest {
extern bool read_rtl_function_body (const char *path);
+extern bool read_rtl_function_body_from_file_range (location_t start_loc,
+ location_t end_loc);
+
#endif /* GCC_READ_RTL_FUNCTION_H */
--- /dev/null
+/* run-rtl-passes.c - Run RTL passes directly from frontend
+ Copyright (C) 2016-2017 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/>. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "target.h"
+#include "rtl.h"
+#include "function.h"
+#include "basic-block.h"
+#include "tree-pass.h"
+#include "context.h"
+#include "pass_manager.h"
+#include "bitmap.h"
+#include "df.h"
+#include "regs.h"
+#include "insn-attr-common.h" /* for INSN_SCHEDULING. */
+#include "insn-attr.h" /* for init_sched_attrs. */
+#include "run-rtl-passes.h"
+
+/* Run the backend passes, starting at the given pass.
+ Take ownership of INITIAL_PASS_NAME. */
+
+void
+run_rtl_passes (char *initial_pass_name)
+{
+ cfun->pass_startwith = initial_pass_name;
+ max_regno = max_reg_num ();
+
+ /* Pass "expand" normally sets this up. */
+#ifdef INSN_SCHEDULING
+ init_sched_attrs ();
+#endif
+
+ bitmap_obstack_initialize (NULL);
+ bitmap_obstack_initialize (®_obstack);
+
+ opt_pass *rest_of_compilation
+ = g->get_passes ()->get_rest_of_compilation ();
+ gcc_assert (rest_of_compilation);
+ execute_pass_list (cfun, rest_of_compilation);
+
+ opt_pass *clean_slate = g->get_passes ()->get_clean_slate ();
+ gcc_assert (clean_slate);
+ execute_pass_list (cfun, clean_slate);
+
+ bitmap_obstack_release (®_obstack);
+
+ cfun->curr_properties |= PROP_rtl;
+}
--- /dev/null
+/* run-rtl-passes.h - Run a subset of the RTL passes
+ Copyright (C) 2016-2017 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/>. */
+
+#ifndef GCC_RUN_RTL_PASSES_H
+#define GCC_RUN_RTL_PASSES_H
+
+extern void run_rtl_passes (char *initial_pass_name);
+
+#endif /* GCC_RUN_RTL_PASSES_H */
+2017-01-24 David Malcolm <dmalcolm@redhat.com>
+
+ * gcc.dg/rtl/aarch64/asr_div1.c: New test case.
+ * gcc.dg/rtl/aarch64/pr71779.c: New test case.
+ * gcc.dg/rtl/rtl.exp: New file.
+ * gcc.dg/rtl/test.c: New file.
+ * gcc.dg/rtl/truncated-rtl-file.c: New test case.
+ * gcc.dg/rtl/unknown-rtx-code.c: New test case.
+ * gcc.dg/rtl/x86_64/dfinit.c: New test case.
+ * gcc.dg/rtl/x86_64/different-structs.c: New test case.
+ * gcc.dg/rtl/x86_64/final.c: New test case.
+ * gcc.dg/rtl/x86_64/into-cfglayout.c: New test case.
+ * gcc.dg/rtl/x86_64/ira.c: New test case.
+ * gcc.dg/rtl/x86_64/pro_and_epilogue.c: New test case.
+ * gcc.dg/rtl/x86_64/test-multiple-fns.c: New test case.
+ * gcc.dg/rtl/x86_64/test-return-const.c.after-expand.c: New test case.
+ * gcc.dg/rtl/x86_64/test-return-const.c.before-fwprop.c: New test case.
+ * gcc.dg/rtl/x86_64/test-rtl.c: New test case.
+ * gcc.dg/rtl/x86_64/test_1.h: New file.
+ * gcc.dg/rtl/x86_64/times-two.c.after-expand.c: New test case.
+ * gcc.dg/rtl/x86_64/times-two.c.before-df.c: New test case.
+ * gcc.dg/rtl/x86_64/times-two.h: New file.
+ * gcc.dg/rtl/x86_64/vregs.c: New test case.
+
2017-01-24 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/79159
--- /dev/null
+/* { dg-do compile { target aarch64-*-* } } */
+/* { dg-options "-mtune=cortex-a53 -fdump-rtl-combine -O2" } */
+
+/* Taken from
+ gcc/testsuite/gcc.dg/asr_div1.c -O2 -fdump-rtl-all -mtune=cortex-a53
+ for aarch64, hand editing to the new format. */
+
+int __RTL (startwith ("combine")) f1 (int n)
+{
+(function "f1"
+ (param "n"
+ (DECL_RTL (reg/v:SI <1> [ n ]))
+ (DECL_RTL_INCOMING (reg:SI x0 [ n ]))
+ ) ;; param "n"
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 8 (set (reg:DI <2>)
+ (lshiftrt:DI (reg:DI <0>)
+ (const_int 32)))
+ "../../src/gcc/testsuite/gcc.dg/asr_div1.c":14
+ (expr_list:REG_DEAD (reg:DI <0>)))
+ (cinsn 9 (set (reg:SI <1>)
+ (ashiftrt:SI (subreg:SI (reg:DI <2>) 0)
+ (const_int 3)))
+ "../../src/gcc/testsuite/gcc.dg/asr_div1.c":14
+ (expr_list:REG_DEAD (reg:DI <2>)))
+
+ ;; Extra insn, to avoid all of the above from being deleted by DCE
+ (insn 10 (use (reg/i:SI <1>)))
+
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+) ;; function
+}
+
+/* Verify that insns 8 and 9 get combined into a shift of 35 (0x23) */
+/* { dg-final { scan-rtl-dump "allowing combination of insns 8 and 9" "combine" } } */
+/* { dg-final { scan-rtl-dump "modifying insn i3 9: r\[0-9\]+:SI#0=r\[0-9\]+:DI>>0x23" "combine" } } */
--- /dev/null
+/* { dg-do compile { target aarch64-*-* } } */
+/* { dg-options "-fdump-rtl-cse1" } */
+
+/* Dump taken from comment 2 of PR 71779, of
+ "...the relevant memory access coming out of expand"
+ hand-edited to the compact dump format. */
+
+int __RTL (startwith ("cse1")) test (int n)
+{
+(function "fragment"
+ (param "n"
+ (DECL_RTL (reg/v:SI <1> [ n ]))
+ (DECL_RTL_INCOMING (reg:SI x0 [ n ]))
+ ) ;; param "n"
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+
+;; MEM[(struct isl_obj *)&obj1] = &isl_obj_map_vtable;
+(insn 1045 (set (reg:SI <480>)
+ (high:SI (symbol_ref:SI ("isl_obj_map_vtable")
+ [flags 0xc0]
+ <var_decl 0x7fa0363ea240 isl_obj_map_vtable>)))
+ "y.c":12702)
+(insn 1046 (set (reg/f:SI <479>)
+ (lo_sum:SI (reg:SI <480>)
+ (symbol_ref:SI ("isl_obj_map_vtable")
+ [flags 0xc0]
+ <var_decl 0x7fa0363ea240 isl_obj_map_vtable>)))
+ "y.c":12702
+ (expr_list:REG_EQUAL (symbol_ref:SI ("isl_obj_map_vtable")
+ [flags 0xc0]
+ <var_decl 0x7fa0363ea240 isl_obj_map_vtable>)))
+(insn 1047 (set (reg:DI <481>)
+ (subreg:DI (reg/f:SI <479>) 0)) "y.c":12702)
+(insn 1048 (set (zero_extract:DI (reg/v:DI <191> [ obj1D.17368 ])
+ (const_int 32)
+ (const_int 0))
+ (reg:DI <481>)) "y.c":12702)
+;; Extra insn, to avoid all of the above from being deleted by DCE
+(insn 1049 (set (mem:DI (reg:DI <191>) [1 i+0 S4 A32])
+ (const_int 1)))
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+) ;; function
+}
+
+/* TODO: scan the dump. */
--- /dev/null
+# Copyright (C) 2016-2017 Free Software Foundation, Inc.
+
+# This program 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 of the License, or
+# (at your option) any later version.
+#
+# This program 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/>.
+
+# GCC testsuite that uses the `dg.exp' driver.
+
+# Load support procs.
+load_lib gcc-dg.exp
+
+# If a testcase doesn't have special options, use these.
+global DEFAULT_RTLFLAGS
+if ![info exists DEFAULT_RTLFLAGS] then {
+ set DEFAULT_RTLFLAGS ""
+ # -fdump-tree-rtl-raw
+}
+
+# Initialize `dg'.
+dg-init
+
+# Gather a list of all tests.
+set tests [lsort [find $srcdir/$subdir *.c]]
+
+verbose "rtl.exp tests: $tests" 1
+
+# Main loop.
+dg-runtest $tests "" $DEFAULT_RTLFLAGS
+
+# All done.
+dg-finish
--- /dev/null
+int test_1 (int i, int j, int k)
+{
+ if (i < j)
+ return k + 4;
+ else
+ return -k;
+}
+
+/* Example showing:
+ - data structure
+ - loop
+ - call to "abort". */
+
+struct foo
+{
+ int count;
+ float *data;
+};
+
+float test_2 (struct foo *lhs, struct foo *rhs)
+{
+ float result = 0.0f;
+
+ if (lhs->count != rhs->count)
+ __builtin_abort ();
+
+ for (int i = 0; i < lhs->count; i++)
+ result += lhs->data[i] * rhs->data[i];
+
+ return result;
+}
--- /dev/null
+void __RTL test (void)
+{ /* { dg-error "no closing brace" } */
--- /dev/null
+void __RTL test (void)
+{
+ (function "test"
+ (insn-chain
+ (not-a-valid-kind-of-insn 1 0 0) ;; { dg-error "unknown rtx code" }
+ ) ;; insn-chain
+ ) ;; function
+}
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-dfinit" } */
+
+#include "test_1.h"
+
+/* Lightly-modified dump of test.c.261r.split1 for x86_64. */
+
+int __RTL (startwith ("no-opt dfinit")) test_1 (int i, int j, int k)
+{
+(function "test_1"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ])))
+ (param "j"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI si [ j ])))
+ (param "k"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI dx [ k ])))
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 3 (flags "FALLTHRU"))
+ (edge-to 4)
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI <3>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (plus:SI (reg:SI <3>)
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 29 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 5)
+ ) ;; block 3
+ (cbarrier 30)
+ (block 4
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI <4>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (neg:SI (reg:SI <4>)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3)
+ (clabel 20 3)
+ (cnote 21 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 22 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])))
+ (cinsn 26 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
+
+/* Verify that the dataflow information matches what cc1 would normally
+ have generated. In particular, in earlier versions of the RTL
+ frontend, the exit block use of reg 0 (ax) wasn't picked up
+ on, due to not setting up crtl->return_rtx based on
+ DECL_RESULT (fndecl). */
+/* { dg-final { scan-rtl-dump ";; exit block uses.*0 .ax. 6 .bp. 7 .sp. 20 .frame." "dfinit" } } */
+/* { dg-final { scan-rtl-dump ";; regs ever live.*0 .ax. 1 .dx. 4 .si. 5 .di. 17 .flags." "dfinit" } } */
--- /dev/null
+/* { dg-do compile { target x86_64-*-* } } */
+
+extern double sqrt(double x);
+
+struct foo
+{
+ double x;
+ double y;
+};
+
+struct bar
+{
+ double x;
+ double y;
+};
+
+double __RTL test (struct foo *f, const struct bar *b)
+{
+#if 0
+ /* Result of "expand" on this C code, compiled for x86_64 with -Os. */
+ f->x += b->x;
+ f->y += b->y;
+ return sqrt (f->x * f->x + f->y * f->y);
+#endif
+(function "test"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 5 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v/f:DI <10> [ f ])
+ (reg:DI di [ f ])) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":18)
+ (cinsn 3 (set (reg/v/f:DI <11> [ b ])
+ (reg:DI si [ b ])) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":18)
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 7 (set (reg:DF <12>)
+ (mem:DF (reg/v/f:DI <10> [ f ]) [2 f_11(D)->x+0 S8 A64])) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":21)
+ (cinsn 8 (set (reg:DF <2> [ _3 ])
+ (plus:DF (reg:DF <12>)
+ (mem:DF (reg/v/f:DI <11> [ b ]) [2 b_12(D)->x+0 S8 A64]))) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":21)
+ (cinsn 9 (set (mem:DF (reg/v/f:DI <10> [ f ]) [2 f_11(D)->x+0 S8 A64])
+ (reg:DF <2> [ _3 ])) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":21)
+ (cinsn 10 (set (reg:DF <13>)
+ (mem:DF (plus:DI (reg/v/f:DI <10> [ f ])
+ (const_int 8)) [2 f_11(D)->y+0 S8 A64])) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":22)
+ (cinsn 11 (set (reg:DF <5> [ _6 ])
+ (plus:DF (reg:DF <13>)
+ (mem:DF (plus:DI (reg/v/f:DI <11> [ b ])
+ (const_int 8)) [2 b_12(D)->y+0 S8 A64]))) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":22)
+ (cinsn 12 (set (mem:DF (plus:DI (reg/v/f:DI <10> [ f ])
+ (const_int 8)) [2 f_11(D)->y+0 S8 A64])
+ (reg:DF <5> [ _6 ])) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":22)
+ (cinsn 13 (set (reg:DF <14>)
+ (mult:DF (reg:DF <2> [ _3 ])
+ (reg:DF <2> [ _3 ]))) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":23)
+ (cinsn 14 (set (reg:DF <15>)
+ (mult:DF (reg:DF <5> [ _6 ])
+ (reg:DF <5> [ _6 ]))) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":23)
+ (cinsn 15 (set (reg:DF <16>)
+ (plus:DF (reg:DF <14>)
+ (reg:DF <15>))) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":23)
+ (cinsn 16 (set (reg:DF xmm0)
+ (reg:DF <16>)) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":23)
+ (ccall_insn/j 17 (set (reg:DF xmm0)
+ (call (mem:QI (symbol_ref:DI ("sqrt") [flags 0x41] <function_decl 0x7fa24e331d00 sqrt>) [0 __builtin_sqrt S1 A8])
+ (const_int 0))) "../../src/gcc/testsuite/gcc.dg/rtl/x86_64/different-structs.c":23
+ (expr_list:REG_CALL_DECL (symbol_ref:DI ("sqrt") [flags 0x41] <function_decl 0x7fa24e331d00 sqrt>)
+ (expr_list:REG_EH_REGION (const_int 0)))
+ (expr_list:DF (use (reg:DF xmm0))))
+ (edge-to exit (flags "ABNORMAL | SIBCALL"))
+ ) ;; block 2
+ (cbarrier 18)
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:DF xmm0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test"
+
+}
--- /dev/null
+/* { dg-do compile { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-final" } */
+
+/* Lightly-modified dump of test.c.304r.dwarf2 for x86_64 target,
+ with various NOTE_INSN_CFI deleted by hand for now. */
+
+int __RTL (startwith ("final")) test_1 (int i, int j, int k)
+{
+(function "test_1"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ])))
+ (param "j"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI si [ j ])))
+ (param "k"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI dx [ k ])))
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn/f 32 (set (mem:DI (pre_dec:DI (reg/f:DI sp)) [0 S8 A8])
+ (reg/f:DI bp)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn/f 33 (set (reg/f:DI bp)
+ (reg/f:DI sp)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 34 (set (mem/v:BLK (0|scratch:DI) [0 A8])
+ (unspec:BLK [
+ (mem/v:BLK (reuse_rtx 0) [0 A8])
+ ] UNSPEC_MEMORY_BLOCKAGE)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 35 NOTE_INSN_PROLOGUE_END)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI ax [89])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI ax [89])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 3 (flags "FALLTHRU"))
+ (edge-to 4)
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI ax [90])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI ax [orig:87 _1 ] [87])
+ (plus:SI (reg:SI ax [90])
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 29 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 5)
+ ) ;; block 3
+ (cbarrier 30)
+ (block 4
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI ax [91])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI ax [orig:87 _1 ] [87])
+ (neg:SI (reg:SI ax [91])))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3)
+ (clabel 20 3)
+ (cnote 21 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cnote 36 NOTE_INSN_EPILOGUE_BEG)
+ (cinsn 37 (set (mem/v:BLK (1|scratch:DI) [0 A8])
+ (unspec:BLK [
+ (mem/v:BLK (reuse_rtx 1) [0 A8])
+ ] UNSPEC_MEMORY_BLOCKAGE)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cinsn/f 38 (set (reg/f:DI bp)
+ (mem:DI (post_inc:DI (reg/f:DI sp)) [0 S8 A8])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7
+ (expr_list:REG_CFA_DEF_CFA (plus:DI (reg/f:DI sp)
+ (const_int 8))))
+ (cjump_insn 39 (simple_return) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit)
+ ) ;; block 5
+ (cbarrier 40)
+ (cnote 31 NOTE_INSN_DELETED)
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
+
+/* Verify that asm was emitted. */
+/* { dg-final { scan-assembler "test_1:" } } */
+/* { dg-final { scan-assembler ".cfi_startproc" } } */
+/* { dg-final { scan-assembler ".cfi_endproc" } } */
+
+/* Verify that the "simple_return" was recognized.
+ FIXME: this assumes i386.md. */
+/* { dg-final { scan-assembler "ret" } } */
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-into_cfglayout" } */
+
+/* Lightly-modified dump of test.c.226r.vregs for x86_64. */
+
+#include "test_1.h"
+
+int __RTL (startwith ("into_cfglayout")) test_1 (int i, int j, int k)
+{
+(function "test_1"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ])))
+ (param "j"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI si [ j ])))
+ (param "k"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI dx [ k ])))
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 4 (flags "FALLTHRU"))
+ (edge-to 5)
+ ) ;; block 2
+ (block 4
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI <3>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (plus:SI (reg:SI <3>)
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 14 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 6)
+ ) ;; block 4
+ (cbarrier 15)
+ (block 5
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI <4>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (neg:SI (reg:SI <4>)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 6 (flags "FALLTHRU"))
+ ) ;; block 5
+ (block 6
+ (edge-from 4)
+ (edge-from 5 (flags "FALLTHRU"))
+ (clabel 20 3)
+ (cnote 21 [bb 6] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 22 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])))
+ (cinsn 26 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 6
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
+
+/* The conversion to cfglayout should eliminate unconditional jump
+ instructions... */
+/* { dg-final { scan-rtl-dump "Removing jump 14." "into_cfglayout" } } */
+/* { dg-final { scan-rtl-dump-not "jump_insn 14" "into_cfglayout" } } */
+/* { dg-final { scan-rtl-dump-not "barrier" "into_cfglayout" } } */
+
+/* ...but conditional jumps should be preserved. */
+/* { dg-final { scan-rtl-dump "jump_insn 10" "into_cfglayout" } } */
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-ira" } */
+
+/* Lightly-modified dump of test.c.265r.asmcons for x86_64. */
+
+#include "test_1.h"
+
+int __RTL (startwith ("ira")) test_1 (int i, int j, int k)
+{
+(function "test_1"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ])))
+ (param "j"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI si [ j ])))
+ (param "k"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI dx [ k ])))
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 3 (flags "FALLTHRU"))
+ (edge-to 4)
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI <3>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (plus:SI (reg:SI <3>)
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 29 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 5)
+ ) ;; block 3
+ (cbarrier 30)
+ (block 4
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI <4>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (neg:SI (reg:SI <4>)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3)
+ (clabel 20 3)
+ (cnote 21 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 22 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])))
+ (cinsn 26 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
+
+/* Verify that IRA was run. */
+/* { dg-final { scan-rtl-dump "Building IRA IR" "ira" } } */
--- /dev/null
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-pro_and_epilogue" } */
+
+/* Lightly-modified dump of test.c.274r.split2 for x86_64. */
+
+int __RTL (startwith ("pro_and_epilogue")) test_1 (int i, int j, int k)
+{
+(function "test_1"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ])))
+ (param "j"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI si [ j ])))
+ (param "k"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI dx [ k ])))
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI ax [89])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI ax [89])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 3 (flags "FALLTHRU"))
+ (edge-to 4)
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI ax [90])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI ax [orig:87 _1 ] [87])
+ (plus:SI (reg:SI ax [90])
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 29 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 5)
+ ) ;; block 3
+ (cbarrier 30)
+ (block 4
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI ax [91])
+ (mem/c:SI (plus:DI (reg/f:DI bp)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI ax [orig:87 _1 ] [87])
+ (neg:SI (reg:SI ax [91])))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3)
+ (clabel 20 3)
+ (cnote 21 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ (cnote 31 NOTE_INSN_DELETED)
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
+
+/* Verify that the prologue and epilogue were added. */
+/* { dg-final { scan-rtl-dump-times "NOTE_INSN_PROLOGUE_END" 1 "pro_and_epilogue" } } */
+
+/* We expect a jump_insn to "simple_return". */
+/* { dg-final { scan-rtl-dump-times "simple_return" 2 "pro_and_epilogue" } } */
+
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+
+/* Verify that we can have multiple __RTL functions in one test case.
+ Each of these __RTL functions returns a const, dumped immediately after
+ expand. */
+
+extern void abort (void);
+
+int __RTL (startwith ("vregs")) test_return_42 (void)
+{
+ /* C code:
+ return 42; */
+(function "test_return_42"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 3 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cnote 2 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 5 (set (reg:SI <0> [ _1 ])
+ (const_int 42)) "../../src/test-return-const.c":3)
+ (cinsn 8 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])) "../../src/test-return-const.c":3)
+ (cinsn 12 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/test-return-const.c":4)
+ (cinsn 13 (use (reg/i:SI ax)) "../../src/test-return-const.c":4)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_return_42"
+}
+
+int __RTL (startwith ("vregs")) test_return_43 (void)
+{
+ /* C code:
+ return 43; */
+(function "test_return_43"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 3 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cnote 2 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 5 (set (reg:SI <0> [ _1 ])
+ (const_int 43)) "../../src/test-return-const.c":3)
+ (cinsn 8 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])) "../../src/test-return-const.c":3)
+ (cinsn 12 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/test-return-const.c":4)
+ (cinsn 13 (use (reg/i:SI ax)) "../../src/test-return-const.c":4)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_return_43"
+}
+
+int __RTL (startwith ("vregs")) test_return_44 (void)
+{
+ /* C code:
+ return 44; */
+(function "test_return_44"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 3 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cnote 2 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 5 (set (reg:SI <0> [ _1 ])
+ (const_int 44)) "../../src/test-return-const.c":3)
+ (cinsn 8 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])) "../../src/test-return-const.c":3)
+ (cinsn 12 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/test-return-const.c":4)
+ (cinsn 13 (use (reg/i:SI ax)) "../../src/test-return-const.c":4)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_return_44"
+}
+
+int main (void)
+{
+ if (test_return_42 () != 42)
+ abort ();
+ if (test_return_43 () != 43)
+ abort ();
+ if (test_return_44 () != 44)
+ abort ();
+ return 0;
+}
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+
+extern void abort (void);
+
+int __RTL (startwith ("vregs")) test_returning_constant (void)
+{
+ /* C code:
+ return 42; */
+(function "test_returning_constant"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 3 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cnote 2 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 5 (set (reg:SI <0> [ _1 ])
+ (const_int 42)) "../../src/test-return-const.c":3)
+ (cinsn 8 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])) "../../src/test-return-const.c":3)
+ (cinsn 12 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/test-return-const.c":4)
+ (cinsn 13 (use (reg/i:SI ax)) "../../src/test-return-const.c":4)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_returning_constant"
+}
+
+int main (void)
+{
+ if (test_returning_constant () != 42)
+ abort ();
+ return 0;
+}
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-fwprop1 -O2" } */
+
+extern void abort (void);
+
+int __RTL (startwith ("fwprop1")) test_returning_constant (void)
+{
+ /* C code:
+ return 42; */
+(function "test_returning_constant"
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 3 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cnote 2 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 5 (set (reg:SI <0> [ <retval> ])
+ (const_int 42)) "../../src/test-return-const.c":3)
+ (cinsn 9 (set (reg/i:SI ax)
+ (const_int 42)) "../../src/test-return-const.c":4
+ (expr_list:REG_DEAD (reg:SI <0> [ <retval> ])))
+ (cinsn 10 (use (reg/i:SI ax)) "../../src/test-return-const.c":4)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_returning_constant"
+}
+
+/* Verify that insn 5 is eliminated. */
+/* { dg-final { scan-rtl-dump "deferring deletion of insn with uid = 5" "fwprop1" } } */
+/* { dg-final { scan-rtl-dump "Deleted 1 trivially dead insns" "fwprop1" } } */
+
+int main (void)
+{
+ if (test_returning_constant () != 42)
+ abort ();
+ return 0;
+}
--- /dev/null
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+
+/* Test of embedding RTL dump in a C function, tagged with "__RTL".
+
+ This is a dump of test.c from immediately after "expand", for x86_64. */
+
+int __RTL test_1 (int i, int j, int k)
+{
+ /*
+ if (i < j)
+ return k + 4;
+ else
+ return -k;
+ */
+(function "test_1"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 4 (flags "FALLTHRU"))
+ (edge-to 5)
+ ) ;; block 2
+ (block 4
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI <3>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (plus:SI (reg:SI <3>)
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 14 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 6)
+ ) ;; block 4
+ (cbarrier 15)
+ (block 5
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI <4>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (neg:SI (reg:SI <4>)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 6 (flags "FALLTHRU"))
+ ) ;; block 5
+ (block 6
+ (edge-from 4)
+ (edge-from 5 (flags "FALLTHRU"))
+ (clabel 20 3)
+ (cnote 21 [bb 6] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 22 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])))
+ (cinsn 26 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 6
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
--- /dev/null
+/* Shared test code for the various __RTL tests of test_1 that
+ start at different passes. */
+
+extern void abort (void);
+extern int test_1 (int i, int j, int k);
+
+int main (void)
+{
+ if (test_1 (0, 0, 3) != -3)
+ abort ();
+
+ if (test_1 (0, 1, 3) != 7)
+ abort ();
+
+ return 0;
+}
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+
+extern void abort (void);
+
+int __RTL (startwith ("vregs")) times_two (int i)
+{
+ /* C function:
+ return i * 2; */
+(function "times_two"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ]))
+ ) ;; param "i"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 4 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/times-two.c":2
+ (nil))
+ (cnote 3 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 6 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/times-two.c":3
+ (nil))
+ (cinsn 7 (parallel [
+ (set (reg:SI <0> [ _2 ])
+ (ashift:SI (reg:SI <2>)
+ (const_int 1)))
+ (clobber (reg:CC flags))
+ ]) "../../src/times-two.c":3
+ (expr_list:REG_EQUAL (ashift:SI (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])
+ (const_int 1))
+ (nil)))
+ (cinsn 10 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _2 ])) "../../src/times-two.c":3
+ (nil))
+ (cinsn 14 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/times-two.c":4
+ (nil))
+ (cinsn 15 (use (reg/i:SI ax)) "../../src/times-two.c":4
+ (nil))
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "times_two"
+}
+
+int main (void)
+{
+ if (times_two (0) != 0)
+ abort ();
+
+ if (times_two (1) != 2)
+ abort ();
+
+ if (times_two (100) != 200)
+ abort ();
+
+ return 0;
+}
--- /dev/null
+/* { dg-do compile { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-dfinit" } */
+
+int __RTL (startwith ("rtl-dfinit")) times_two (int i)
+{
+ /* C function:
+ return i * 2; */
+(function "times_two"
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 4 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/times-two.c":2)
+ (cnote 3 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 6 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/times-two.c":3)
+ (cinsn 7 (parallel [
+ (set (reg:SI <0> [ _2 ])
+ (ashift:SI (reg:SI <2>)
+ (const_int 1)))
+ (clobber (reg:CC flags))
+ ]) "../../src/times-two.c":3
+ (expr_list:REG_EQUAL (ashift:SI (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32])
+ (const_int 1))))
+ (cinsn 10 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _2 ])) "../../src/times-two.c":3)
+ (cinsn 14 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/times-two.c":4)
+ (cinsn 15 (use (reg/i:SI ax)) "../../src/times-two.c":4)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 2
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "times_two"
+}
+
+/* Verify that the dataflow information matches what cc1 would have
+ generated. In particular, in earlier versions of the RTL
+ frontend, the exit block use of reg 0 (ax) wasn't picked up
+ on, due to not setting up crtl->return_rtx based on
+ DECL_RESULT (fndecl). */
+
+/* { dg-final { scan-rtl-dump ";; exit block uses.*0 .ax. 6 .bp. 7 .sp. 20 .frame." "dfinit" } } */
+
+/* { dg-final { scan-rtl-dump ";; regs ever live.*0 .ax. 5 .di. 17 .flags." "dfinit" } } */
--- /dev/null
+/* Shared test code for the various __RTL tests of times_two that
+ start at different passes. */
+
+extern void abort (void);
+int times_two (int i);
+
+int main (void)
+{
+ if (times_two (0) != 0)
+ abort ();
+
+ if (times_two (1) != 2)
+ abort ();
+
+ if (times_two (100) != 200)
+ abort ();
+
+ if (times_two (-20) != -40)
+ abort ();
+
+ return 0;
+}
--- /dev/null
+/* { dg-do run { target x86_64-*-* } } */
+/* { dg-options "-fdump-rtl-vregs" } */
+
+/* Lightly-modified dump of test.c.225r.expand for x86_64. */
+
+#include "test_1.h"
+
+int __RTL (startwith ("vregs")) test_1 (int i, int j, int k)
+{
+(function "test_1"
+ (param "i"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -4)) [1 i+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI di [ i ])))
+ (param "j"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -8)) [1 j+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI si [ j ])))
+ (param "k"
+ (DECL_RTL (mem/c:SI (plus:DI (reg/f:DI frame)
+ (const_int -12)) [1 k+0 S4 A32]))
+ (DECL_RTL_INCOMING (reg:SI dx [ k ])))
+ (insn-chain
+ (cnote 1 NOTE_INSN_DELETED)
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])
+ (reg:SI di [ i ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 3 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -8)) [1 j+0 S4 A32])
+ (reg:SI si [ j ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cinsn 4 (set (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])
+ (reg:SI dx [ k ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":2)
+ (cnote 5 NOTE_INSN_FUNCTION_BEG)
+ (cinsn 8 (set (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -4)) [1 i+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cinsn 9 (set (reg:CCGC flags)
+ (compare:CCGC (reg:SI <2>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -8)) [1 j+0 S4 A32]))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (cjump_insn 10 (set (pc)
+ (if_then_else (ge (reg:CCGC flags)
+ (const_int 0))
+ (label_ref 16)
+ (pc))) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":3)
+ (edge-to 4 (flags "FALLTHRU"))
+ (edge-to 5)
+ ) ;; block 2
+ (block 4
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 11 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 12 (set (reg:SI <3>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (cinsn 13 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (plus:SI (reg:SI <3>)
+ (const_int 4)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4
+ (expr_list:REG_EQUAL (plus:SI (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])
+ (const_int 4))))
+ (cjump_insn 14 (set (pc)
+ (label_ref 20)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":4)
+ (edge-to 6)
+ ) ;; block 4
+ (cbarrier 15)
+ (block 5
+ (edge-from 2)
+ (clabel 16 2)
+ (cnote 17 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg:SI <4>)
+ (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6)
+ (cinsn 19 (parallel [
+ (set (reg:SI <0> [ _1 ])
+ (neg:SI (reg:SI <4>)))
+ (clobber (reg:CC flags))
+ ]) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":6
+ (expr_list:REG_EQUAL (neg:SI (mem/c:SI (plus:DI (reg/f:DI virtual-stack-vars)
+ (const_int -12)) [1 k+0 S4 A32]))))
+ (edge-to 6 (flags "FALLTHRU"))
+ ) ;; block 5
+ (block 6
+ (edge-from 4)
+ (edge-from 5 (flags "FALLTHRU"))
+ (clabel 20 3)
+ (cnote 21 [bb 6] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 22 (set (reg:SI <1> [ <retval> ])
+ (reg:SI <0> [ _1 ])))
+ (cinsn 26 (set (reg/i:SI ax)
+ (reg:SI <1> [ <retval> ])) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (cinsn 27 (use (reg/i:SI ax)) "../../src/gcc/testsuite/gcc.dg/rtl/test.c":7)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 6
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI ax)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "test_1"
+}
+
+/* The 9 instances of "virtual-stack-vars" should now all be "frame". */
+/* { dg-final { scan-rtl-dump-times "frame" 9 "vregs" } } */
+/* { dg-final { scan-rtl-dump-not "virtual-stack-vars" "vregs" } } */
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