* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
(copy_insn_1): Likewise. Don't copy each field individually.
Reindent.
* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
of RTX_SIZE.
* reload1.c (eliminate_regs): Use shallow_copy_rtx.
* rtl.c (rtx_size): Rename variable to...
(rtx_code_size): ...this.
(rtx_size): New function.
(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
(copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
Reindent.
(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
* rtl.h (rtx_code_size): New variable.
(rtx_size): Change from a variable to a function.
(RTX_SIZE): Rename to...
(RTX_CODE_SIZE): ...this.
PR target/9703
PR tree-optimization/17106
* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
(Anchored Addresses): New section.
* doc/invoke.texi (-fsection-anchors): Document.
* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
* hooks.c (hook_bool_mode_rtx_false): New function.
* hooks.h (hook_bool_mode_rtx_false): Declare.
* gengtype.c (create_optional_field): New function.
(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
SYMBOL_REF_IN_BLOCK_P is true.
* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
(min_anchor_offset, max_anchor_offset): Likewise.
(use_anchors_for_symbol_p): New hook.
* toplev.c (compile_file): Call output_object_blocks.
(target_supports_section_anchors_p): New function.
(process_options): Check that -fsection-anchors is only used on
targets that support it and when -funit-at-a-time is in effect.
* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
if the decl doesn't have one.
* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
of force_const_mem through use_anchored_address.
(expand_expr_constant): New function.
(expand_expr_addr_expr_1): Call it. Use the same modifier when
calling expand_expr for INDIRECT_REF.
(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
* expr.h (use_anchored_address): Declare.
* loop-unroll.c: Don't declare rtx vectors here.
* explow.c: Include output.h.
(validize_mem): Call use_anchored_address.
(use_anchored_address): New function.
* common.opt (-fsection-anchors): New switch.
* varasm.c (object_block_htab, anchor_labelno): New variables.
(hash_section, object_block_entry_eq, object_block_entry_hash)
(use_object_blocks_p, get_block_for_section, create_block_symbol)
(use_blocks_for_decl_p, change_symbol_section): New functions.
(get_variable_section): New function, split out from assemble_variable.
(make_decl_rtl): Create a block symbol if use_object_blocks_p and
use_blocks_for_decl_p say so. Use change_symbol_section if the
symbol has already been created.
(assemble_variable_contents): New function, split out from...
(assemble_variable): ...here. Don't output any code for
block symbols; just pass them to place_block_symbol.
Use get_variable_section and assemble_variable_contents.
(get_constant_alignment, get_constant_section, get_constant_size): New
functions, split from output_constant_def_contents.
(build_constant_desc): Create a block symbol if use_object_blocks_p
says so. Or into SYMBOL_REF_FLAGS.
(assemble_constant_contents): New function, split from...
(output_constant_def_contents): ...here. Don't output any code
for block symbols; just pass them to place_section_symbol.
Use get_constant_section and get_constant_alignment.
(force_const_mem): Create a block symbol if use_object_blocks_p and
use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
(output_constant_pool_1): Add an explicit alignment argument.
Don't switch sections here.
(output_constant_pool): Adjust call to output_constant_pool_1.
Switch sections here instead. Don't output anything for block symbols;
just pass them to place_block_symbol.
(init_varasm_once): Initialize object_block_htab.
(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
(place_block_symbol, get_section_anchor, output_object_block)
(output_object_block_htab, output_object_blocks): New functions.
* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
(TARGET_ASM_OUT): Include it.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
(TARGET_INITIALIZER): Include them.
* rtl.c (rtl_check_failed_block_symbol): New function.
* rtl.h: Include vec.h. Declare heap and gc rtx vectors.
(block_symbol, object_block): New structures.
(rtx_def): Add a block_symbol field to the union.
(BLOCK_SYMBOL_CHECK): New macro.
(rtl_check_failed_block_symbol): Declare.
(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
* output.h (output_section_symbols): Declare.
(object_block): Name structure.
(place_section_symbol, get_section_anchor, default_asm_output_anchor)
(default_use_anchors_for_symbol_p): Declare.
* Makefile.in (RTL_BASE_H): Add vec.h.
(explow.o): Depend on output.h.
* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
(TARGET_MAX_ANCHOR_OFFSET): Likewise.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
(rs6000_use_blocks_for_constant_p): New function.
From-SVN: r111254
* builtins.c, c-common.c, c-decl.c, c-format.c, c-format.h,
c-parse.in, c-pch.c, c-pragma.c, collect2.c, final.c, gcc.c,
gcov.c, opts.c, pretty-print.h, protoize.c, reg-stack.c, rtl.c,
tlink.c, config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
config/avr/avr.c, config/c4x/c4x.c, config/darwin.c,
config/frv/frv.c, config/h8300/h8300.c, config/i386/i386.c,
config/i386/winnt.c, config/ia64/ia64.c, config/ip2k/ip2k.c,
config/iq2000/iq2000.c, config/m32r/m32r.c,
config/m68hc11/m68hc11.c, config/m68k/m68k.c, config/m68k/m68k.h,
config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.c,
config/ns32k/ns32k.c, config/rs6000/host-darwin.c,
config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
config/sh/symbian.c, config/stormy16/stormy16.c,
config/v850/v850.c: Avoid "`" as left quote, using "'" or %q, %<
and %> as appropriate. Use %' as apostrophe in diagnostics where
applicable. Use %< and %> in place of '' quotes where applicable.
Use %qs in place of %<%s%>. Consistently quote __builtin function
names.
ada:
* misc.c (gnat_handle_option): Use %< and %> for quoting in
warning message.
cp:
* call.c, class.c, decl.c, decl2.c, error.c, mangle.c, parser.c,
pt.c, search.c, semantics.c, typeck.c: Use %q, %< and %> for
quoting in diagnostics.
* parser.c (cp_parser_sizeof_operand): Use '' instead of `' for
quoting in printf format.
* decl.c (duplicate_decls, start_decl): Use %qD instead of
unquoted %D.
objc:
* objc-act.c: Use %q, %< and %> for quoting in diagnostics.
testsuite:
* gcc.dg/builtin-prefetch-1.c: Adjust expected messages.
From-SVN: r90337
* insn-notes.def, reg-notes.def: New files.
* rtl.h: Use them to define enum insn_note and enum reg_note.
* rtl.c: Use them to define note_insn_name and reg_note_name.
* modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
From-SVN: r86212
* Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
(BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
(genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
(genobjs static pattern rule): Remove %.c dependency.
($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
Rename rules; delete commands; fix dependencies.
(mostlyclean): Do not delete temporary source copies.
* configure.ac: Delete all references to BUILD_PREFIX and
BUILD_PREFIX_1.
* configure: Regenerate.
* print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
basic-block.h #ifdef GENERATOR_FILE. Surround some more code
with #ifndef GENERATOR_FILE so that nothing from those headers
is used.
* rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
From-SVN: r86083
2004-04-09 Caroline Tice <ctice@apple.com>
* basic-block.h (struct edge_def): Add new field, crossing_edge.
(struct basic_block_def): Add new field, partition.
(UNPARTITIONED, HOT_PARTITION, COLD_PARTITION): New constant macro
definitions.
(partition_hot_cold_basic_blocks): Add extern function
declaration.
* bb-reorder.c (function.h, obstack.h, expr.h, regs.h): Add four new
include statements.
(N_ROUNDS): Increase the maximum number of rounds by 1.
(branch_threshold): Add array value for new round.
(exec_threshold): Add array value for new round.
(push_to_next_round_p): New function.
(add_unlikely_executed_notes): New function.
(find_rarely_executed_basic_blocks_and_crossing_edges): New function.
(mark_bb_for_unlikely_executed_section): New function.
(add_labels_and_missing_jumps): New function.
(add_reg_crossing_jump_notes): New function.
(fix_up_fall_thru_edges): New function.
(find_jump_block): New function.
(fix_crossing_conditional_branches): New function.
(fix_crossing_unconditional_branches): New function.
(fix_edges_for_rarely_executed_code): New function.
(partition_hot_cold_basic_blocks): New function.
(find_traces): Add an extra round for partitioning hot/cold
basic blocks.
(find_traces_1_round): Add a parameter. Modify to push all cold blocks,
and only cold blocks, into the last (extra) round of collecting traces.
(better_edge_p): Add a parameter. Modify to favor non-crossing edges
over crossing edges.
(bb_to_key): Add code to correctly identify cold blocks when
doing partitioning.
(connect_traces): Modify to connect all the non-cold traces first, then
go back and connect up all the cold traces.
(reorder_basic_blocks): Add call to add_unlikely_executed_notes.
* cfg.c (entry_exit_blocks): Add initialization for partition field in
entry and exit blocks.
* cfgbuild.c (make_edges): Update current_function_has_computed_jump
if we are doing hot/cold partitioning.
* cfgcleanup.c (cfglayout.h): Add new include statement.
(try_simplify_condjump): Modify to not attempt on blocks with jumps
that cross section boundaries.
(try_forward_edges): Likewise.
(merge_blocks_move_predecessor_nojumps): Likewise.
(merge_blocks_move_successor_nojumps): Likewise.
(merge_blocks_move): Likewise.
(try_crossjump_to_edge): Modify to not attempt after we have done
the block partitioning.
(try_crossjump_bb): Modify to not attempt on blocks with jumps that
cross section boundaries.
(try_optimize_cfg): Likewise.
* cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
jumps that cross section boundaries.
* cfglayout.c (flags.h): Add new include statement.
(update_unlikely_executed_notes): New function.
(fixup_reorder_chain): Add code so when a new jumping basic block is
added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
updated appropriately.
(duplicate_insn_chain): Add code to duplicate the new NOTE insn
introduced by this optimization.
* cfglayout.h (scan_ahead_for_unlikely_executed_note): Add new
extern function declaration.
* cfgrtl.c (can_delete_note_p): Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
list of notes that can be deleted.
(create_basic_block_structure): Add initialization for partition field.
(rtl_can_merge_blocks): Modify to test blocks for jumps that cross
section boundaries.
(try_redirect_by_replacing_jump): Modify to not attempt on jumps that
cross section boundaries.
(commit_one_edge_insertion): Add code so newly created basic block
ends up in correct (hot or cold) section. Modify to disallow
insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
(rtl_verify_flow_info_1): Add code to verify that no fall_thru edge
crosses section boundaries.
(cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
cross section boundaries.
(force_nonfallthru_and_redirect): Modify to make sure new basic block
ends up in correct section, with correct notes attached.
* common.opt (freorder-blocks-and-partition): Add new flag for this
optimization.
* dbxout.c (dbx_function_end): Add code to make sure scope labels at
the end of functions are written into the correct (hot or cold)
section.
(dbx_source_file): Add code so writing debug file information
doesn't incorrectly change sections.
* defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
in partitioning hot/cold basic blocks into separate sections.
(SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
section partitioning.
(HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
conditional branches can span all of memory.
(HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
unconditional branches can span all of memory.
* final.c (scan_ahead_for_unlikely_executed_note): New function.
(final_scan_insn): Add code to check for NOTE instruction indicating
whether basic block belongs in hot or cold section, and to make sure
the current basic block is being written to the appropriate section.
Also added code to ensure that jump table basic blocks end up in the
correct section.
* flags.h (flag_reorder_blocks_and_partition): New flag.
* ifcvt.c (find_if_case_1): Modify to not attempt if conversion if
one of the branches has a jump that crosses between sections.
(find_if_case_2): Likewise.
(ifcvt): Modify to not attempt to mark loop exit edges after
hot/cold partitioning has occurred.
* opts.c (decode_options): Code to handle new flag,
flag_reorder_blocks_and_partition; also to turn it off if
flag_exceptions is on.
(common_handle_option): Code to handle new flag,
flag_reorder_blocks_and_partition.
* output.h (unlikely_text_section): New extern function declaration.
(in_unlikely_text_section): New extern function declaration.
* passes.c (rest_of_handle_stack_regs): Add
flag_reorder_blocks_and_partition as an 'or' condition for calling
reorder_basic_blocks.
(rest_of_handle_reorder_blocks): Add flag_reorder_blocks_and_partition
as an 'or' condition for calling reorder_basic_blocks.
(rest_of_compilation): Add call to partition_hot_cold_basic_blocks.
* print-rtl.c (print_rtx): Add code for handling new note,
NOTE_INSN_UNLIKELY_EXECUTED_CODE
* rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
(REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
cross between section boundaries.
* rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note instruction,
indicating the basic block containing it belongs in the cold section.
(REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
between hot and cold sections.
* toplev.c (flag_reorder_blocks_and_partition): Add code to
initialize this flag, and to tie it to the command-line option
freorder-blocks-and-partition.
* varasm.c (cfglayout.h): Add new include statement.
(unlikely_section_label_printed): New global variable, used for
determining when to output section name labels for cold sections.
(in_section): Add in_unlikely_executed_text to enum data structure.
(text_section): Modify code to use SECTION_FORMAT_STRING and
NORMAL_TEXT_SECTION_NAME macros.
(unlikely_text_section): New function.
(in_unlikely_text_section): New function.
(function_section): Add code to make sure beginning of function is
written into correct section (hot or cold).
(assemble_start_function): Add code to make sure stuff is written to
the correct section.
(assemble_zeros): Add in_unlikely_text_section as an 'or' condition
to an if statement that was checking 'in_text_section'.
(assemble_variable): Add 'in_unlikely_text_section' as an 'or'
condition to an if statement that was checking 'in_text_section'.
(default_section_type_flags_1): Add check: if in cold section
flags = SECTION_CODE.
* config/darwin.c (darwin_asm_named_section): Modify to use
SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
* config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
specifically for the i386.
(HAS_LONG_UNCOND_BRANCH): Defined this macro specifically for the i386.
* config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
text string to something more informative.
(NORMAL_TEXT_SECTION_NAME): Add new definition.
(SECTION_FORMAT_STRING): Add new definition.
* config/rs6000/rs6000.c (rs6000_assemble_integer): Add
'!in_unlikely_text_section' as an 'and' condition to an if statement
that was already checking '!in_text_section'.
* config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
sure these are properly defined for linux on ppc.
* doc/invoke.texi (freorder-blocks-and-partition): Add documentation
for this new flag.
* doc/rtl.texi (REG_CROSSING_JUMP): Add documentation for new
reg_note.
* doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
these new macros.
From-SVN: r80564
* emit-rtl.c (verify_rtx_sharing, copy_insn_1,
emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
containing hard regs are shared.
(gen_hard_reg_clobber): New function.
(hard_reg_clobbers): New array.
* genemit.c (gen_exp): Use gen_hard_reg_clobber.
(copy_rtx): Do not copy clobbers containing hard regs.
* rtl.h (gen_hard_reg_clobber): Declare.
From-SVN: r76233
* rtl.h (rtl_size): Declare.
(rtunion): Remove rtwint.
(rtx_def): Replace 'fld' with a union of an rtunion or a HOST_WIDE_INT.
(RTX_HDR_SIZE, RTX_SIZE): New macros.
(RTL_CHECK1): Adjust for new rtx_def layout.
(RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2): Likewise.
(XWINT, XCWINT): Likewise. Access the rtx structure directly.
(X0WINT): Remove.
(X0ANY): New macro.
* rtl.def: Adjust comments for new rtx_def layout.
* ggc.h (ggc_alloc_rtx): Take the rtx code as argument, not the
number of slots.
* rtl.c (rtx_size): New array.
(rtx_alloc): Adjust call to ggc_alloc_rtx. Use RTX_HDR_SIZE.
(copy_rtx): Use RTX_HDR_SIZE. Adjust for new rtx_def layout.
(shallow_copy_rtx): Adjust call to ggc_alloc_rtx. Use RTX_SIZE.
* integrate.c (copy_rtx_and_substitute): Use X0ANY to copy '0' fields.
* emit-rtl.c (copy_most_rtx): Likewise.
(copy_rtx_if_shared): Use RTX_SIZE.
(copy_insn_1): Use RTX_HDR_SIZE. Adjust for new rtx_def layout.
* gengenrtl.c (gendef): Adjust ggc_alloc_rtx call. Use RTX_HDR_SIZE.
* gengtype.c (write_rtx_next): Use RTX_HDR_SIZE.
(adjust_field_rtx_def): Expect "rtx_def" to be a union rather than
an array. Adjust output for new rtx_def layout.
* ggc-page.c (RTL_SIZE): Use RTX_HDR_SIZE.
* reload1.c (eliminate_regs): Use RTX_SIZE.
* rtlanal.c (loc_mentioned_in_p): Adjust for new rtx_def layout.
* gdbinit.in (pi): Likewise.
From-SVN: r72647
* genmodes.c, mode-classes.def: New files.
* machmode.def: Rewritten to genmodes.c interface.
* Makefile.in (extra_modes_file): New substitution variable.
(MACHMODE_H): No longer includes machmode.def or
@extra_modes_file@; instead, mode-classes.def and insn-modes.h.
(BUILD_RTL): Add $(BUILD_PREFIX)insn-modes.o.
(OBJS-common): Add insn-modes.o.
(STAGESTUFF): Add insn-modes.c, insn-modes.h, s-modes, and
genmodes$(build_exeext).
(insn-modes.o, insn-modes.c, insn-modes.h, s-modes, genmodes.o,
genmodes$(build_exeext), $(BUILD_PREFIX_1)insn-modes.o): New targets.
(s-genrtl): Don't depend on $(RTL_BASE_H).
(gengenrtl.o): Don't depend on coretypes.h, $(GTM_H), real.h,
or $(RTL_BASE_H); just rtl.def.
* gengenrtl.c: Don't include coretypes.h, tm.h, rtl.h, or
real.h. Give fake definition of CONST_DOUBLE_FORMAT and
substitute definition of NUM_RTX_CODE. Add casts to avoid
warnings.
* machmode.h: Include insn-modes.h, not machmode.def. Include
mode-classes.def to define enum mode_class. Tweak definitions
of GET_MODE_CLASS, GET_MODE_SIZE, GET_MODE_BITSIZE, GET_MODE_MASK,
GET_MODE_INNER, GET_MODE_WIDER_MODE, GET_CLASS_NARROWEST_MODE.
(inner_mode_array): Renamed mode_inner.
(mode_base_align): New.
* rtl.c (mode_name, mode_class, mode_bitsize, mode_size,
mode_unit_size, mode_wider_mode, mode_mask_array,
inner_mode_array, class_narrowest_mode): Delete definitions.
* stor-layout.c (get_mode_alignment): Use mode_base_align.
* real.h: Use MIN_MODE_FLOAT and MAX_MODE_FLOAT, not QFmode
and TFmode, in real_format_for_mode and REAL_MODE_FORMAT.
* config/ip2k/ip2k.h, config/iq2000/iq2000.h:
No need to define BITS_PER_UNIT.
From-SVN: r72313
* machmode.def (V1DImode): New mode. A single element vector.
* tree.h (TI_UV1DI_TYPE, TI_V1DI_TYPE): New tree_index enums.
(unsigned_V1DI_type_node, V1D1_type_node): New type nodes.
* tree.c (build_common_tree_nodes_2): Build
unsigned_V1DI_type_node and V1D1_type_node.
* c-common.c (c_common_type_for_mode): Return
unsigned_V1DI_type_node or V1D1_type_node for V1DImode.
* rtl.c (class_narrowest_): Start integer vector nodes with V1DImode.
From-SVN: r57248
* rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name,
and use it in all invocations of these macros. Clean up comments.
* rtl.c (rtl_check_failed_flag): Add an argument for the name
of the flag access macro whose check failed.
* doc/rtl.texi (Flags): Document additional flag uses.
From-SVN: r53306
Daniel Berlin
Jan Hubicka
Roger Sayle
Richard Sandiford
Ian Lance Taylor
Kelley Cook
Kaveh R. Ghazi
Daniel Jacobowitz
Kazu Hirata
Richard Henderson
Joseph Myers
Nathan Sidwell
Zack Weinberg
Steven Bosscher
Steven Bosscher
Bernardo Innocenti
Paolo Bonzini
Richard Henderson
Caroline Tice
Josef Zlomek
Dan Nicolaescu
Eric Christopher
Richard Sandiford
Zdenek Dvorak
Andreas Jaeger
Alexandre Oliva
Nick Clifton
Geoffrey Keating
Janis Johnson
Jan Hubicka