* emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
(gen_rtx): Call it. Tidy cases.
* rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
* gengenrtl.c: Add commentary.
(special_rtx): Also match CONST_DOUBLE.
(gencode): Emit call to memset instead of bzero.
From-SVN: r26110
* invoke.texi (-fstrict-aliasing): Document.
* rtl.texi (MEM_ALIAS_SET): Document.
* flags.h (flag_strict_aliasing): Declare.
* toplev.c (flag_strict_aliasing): Define.
(f_options): Add -strict-aliasing.
(main): Set flag_strict_aliasing if -O2 or higher.
* tree.h (tree_type): Add alias_set field.
(TYPE_ALIAS_SET): New macro.
(TYPE_ALIAS_SET_KNOWN_P): Likewise.
(get_alias_set): Declare.
* tree.c (lang_get_alias_set): Define.
(make_node): Initialize TYPE_ALIAS_SET.
(get_alias_set): New function.
* print-tree.c (print_node): Dump the alias set for a type.
* c-tree.h (c_get_alias_set): Declare.
* c-common.c (c_get_alias_set): New function.
* c-decl.c (init_decl_processing): Set lang_get_alias_set.
* expr.c (protect_from_queue): Propogage alias sets.
(expand_assignment): Calculate alias set for new MEMs.
(expand_expr): Likewise.
* function.c (put_var_into_stack): Likewise.
(put_reg_into_stack): Likewise.
(gen_mem_addressof): Likewise.
(assign_parms): Likewise.
* stmt.c (expand_decl): Likewise.
* varasm.c (make_decl_rtl): Eliminate redundant clearing of
DECL_RTL. Calculate alias set for new MEMs.
* rtl.def (REG): Add dummy operand.
(MEM): Add extra operand to store the MEM_ALIAS_SET.
* rtl.h (MEM_ALIAS_SET): New macro.
(gen_rtx_MEM): Declare.
* emit-rtl.c (gen_rtx_MEM): New function.
* gengenrtl.c (sepcial_rtx): Make MEMs special.
* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
(DIFFERENT_ALIAS_SETS_P): Likewise.
(canon_rtx): Propogate the alias set to the new MEM.
(true_dependence): Check the alias sets.
(anti_dependence): Likewise.
(output_dependence): Likewise.
* explow.c (stabilize): Progoate alias sets.
* integrate.c (copy_rtx_and_substitute): Likewise.
* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
in an unpredictable state. Propogate alias sets.
* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
we have no alias information.
From-SVN: r20719
ANSI does not allow a prototype to specify an item smaller than an int
if the function uses an old-style definition. This only worked as a
GNUC extension, so stop doing it.
* gengenrtl.c (type_from_format, accessor_from_format): Change
type of parameter `c' from `char' to `int'.
From-SVN: r19922
* Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
(rtl.o, emit-rtl.o): Add dependency on bitmap.h.
($(HOST_PREFIX_1)rtl.o): Likewise.
($(HOST_PREFIX_1)bitmap.o): New host object.
* emit-rtl.c (toplevel): Include bitmap.h.
(gen_rtx): Handle 't' and 'b' nodes.
* print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
Print block number for block begin/end notes. Print 't' type
nodes as a pointer. Know that the 3rd argument of live range
start/stop notes is really a range_info rtx. If type is 'b', print
out argument as a bitmap.
* rtl.c: Include bitmap.c.
(copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
(note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
* rtl.def (RANGE_LIVE): New node to hold live information while we
recalculate the basic blocks.
(RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
(RANGE_VAR): New node, to hold information saved in symbol node for New
communicating live range information to the debug output functions.
* rtl.h (rtunion_def): Add rttree and rtbit fields.
(XBITMAP, XTREE): New accessor macros.
(NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
(NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
(NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
(NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
(RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
(RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
(RANGE_INFO_*): Likewise.
* sched.c (sched_analyze): Keep live range start/stop notes.
(unlink_other_notes): Likewise.
* haifa-sched.c (sched_analyze): Keep live range start/stop notes.
(unlink_other_notes): Likewise.
* tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
(BLOCK_LIVE_RANGE_FLAG): Likewise.
(DECL_LIVE_RANGE_RTL): Likewise.
(struct tree_block): Add live_range_flag, live_range_var_flag,
live_range_start and live_range_end.
(struct tree_decl): Add live_range_rtl field.
* gengenrtl.c (type_from_format): Handle 'b' and 't'.
(accessor_from_format): Likewise.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r19727
* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
(c-lex.o): Depend on output.h.
(c-common.o): Likewise.
(stmt.o): Likewise.
(calls.o): Likewise.
(integrate.o): Depend on toplev.h.
(regclass.o): Depend on output.h.
(final.o): Depend on reload.h.
* c-common.c: Include output.h.
(check_format_info): Remove unused variable `integral_format'.
* c-decl.c (print_lang_decl): Mark parameters `file', `node' and
`indent' with ATTRIBUTE_UNUSED.
(print_lang_type): Likewise.
(maybe_build_cleanup): Likewise for parameter `decl'.
(copy_lang_decl): Likewise for parameter `node'.
* c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(lookup_interface): Likewise for parameter `arg'.
(is_class_name): Likewise.
(maybe_objc_check_decl): Likewise for parameter `decl'.
(maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
`reflexive'.
(maybe_objc_method_name): Likewise for parameter `decl'.
(build_objc_string): Likewise for parameters `len' and `str'.
* c-lex.c: Include output.h.
* c-lex.h (position_after_white_space): Correct typo in prototype.
* c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
c_expand_end_cond, init_iterators): Add prototypes.
* caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
with ATTRIBUTE_UNUSED.
* calls.c: Include output.h.
* cccp.c (pipe_closed): Mark parameter `signo' with
ATTRIBUTE_UNUSED.
* combine.c: Move inclusion of expr.h to after insn-config.h.
* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
as empty, rather define as ((void)0).
* sparc.c (sparc_check_64): Add braces around ambiguous `else'.
Add parentheses around assignment used as truth value.
* cplus-dem.c (squangle_mop_up): Change return type to void.
(internal_cplus_demangle): Remove unused parameter `options'.
All callers changed.
(cplus_demangle_opname): Remove function wide variable `int i' and
replace with `size_t i' at each location where it is used.
(cplus_demangle_opname): change type of `i' from int to size_t.
* cppexp.c (right_shift): Mark parameter `pfile' with
ATTRIBUTE_UNUSED.
* cpphash.c (cpp_lookup): Likewise.
(cpp_hash_cleanup): Likewise.
* cpplib.c (parse_name): Add a prototype and make it static.
(null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
(null_cleanup): Likewise for parameters `pbuf' and `pfile'.
(macro_cleanup): Likewise for parameter `pfile'.
(file_cleanup): Likewise.
* cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
* crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
__DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
* cse.c (cse_check_loop_start): Mark parameter `set' with
ATTRIBUTE_UNUSED.
* dbxout.c (flag_minimal_debug, have_used_extensions,
source_label_number): Move inside macro wrapper check against
defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
* dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
* except.h (doing_eh): Provide prototype.
* expr.c: Move inclusion of expr.h to after insn-config.h.
* final.c: Include reload.h.
(shorten_branches): Cast the first argument of bzero to char *.
* fix-header.c (cpp_print_containing_files): Mark parameter
`pfile' with ATTRIBUTE_UNUSED.
(cpp_fatal): Likewise.
* flow.c (find_basic_blocks_1): Cast the first argument of bzero
to char *.
* genattrtab.c (make_length_attrs): Change the type of variable
`i' from int to size_t.
(zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
(one_fn): Likewise.
* genextract.c (main): When generating insn-extract.c, mark
variable `junk' with ATTRIBUTE_UNUSED.
* gengenrtl.c (gencode): When generating genrtl.c, cast the first
argument of bzero to char*.
* integrate.c: Include toplev.h.
* libgcc2.c: Wrap `struct exception_table' and
`find_exception_handler' in macro DWARF2_UNWIND_INFO.
* objc/Make-lang.in (objc-act.o): Depend on toplev.h.
* objc/objc-act.c: Include toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(finish_protocol): Likewise for parameter `protocol'.
* output.h (declare_weak): Add prototype.
(decode_reg_name): Don't wrap with TREE_CODE macro.
(assemble_alias): Add prototype.
* regclass.c: Include output.h.
* reload.h (reloads_conflict): Add prototype.
* rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
output_func_start_profiler): Add prototypes.
* rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
ATTRIBUTE_UNUSED.
* scan-decls.c: Include scan.h.
* scan.h (recognized_function, recognized_extern): Add prototypes.
* stmt.c: Include output.h.
* toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
(output_lang_identify): Hide prototype and definition.
(float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
(pipe_closed): Likewise.
* toplev.h (count_error, strip_off_ending, error_for_asm,
warning_for_asm): Add prototypes.
From-SVN: r19712
* gengenrtl.c (type_from_format): De-ANSIfy function signature.
(accessor_from_format): Likewise.
(xmalloc): New function for use when linking with alloca.o.
From-SVN: r17386
