1 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
4 and NOTE_INSN_LOOP_VTOP to...
5 (find_and_verify_loops) ...here.
7 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
9 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
10 (fini_dummy, init_dummy): Use it.
12 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
14 * cpplex.c (is_macro_disabled): Caller has already checked
15 that we're not a preprocessed file.
17 2000-08-24 Mark Mitchell <mark@codesourcery.com>
19 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
20 (c-iterate.o): Remove target.
21 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
22 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
23 (finish_decl): Don't handle iterators.
24 (grokdeclarator): Likewise.
25 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
26 * gcc/c-gperf.h: Regenerated.
27 * gcc/c-iterate.c: Removed.
28 * gcc/c-lex.c (init_lex): Don't handle iterators.
29 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
30 (compstmt_primary_start): Remove push_iterator_stack call.
31 (stmt): Don't allow iterator statements. Replace iterator_expand
32 with expand_expr_stmt.
33 (all_iter_stmt): Remove.
34 (all_iter_stmt_simple): Likewise.
35 (all_iter_stmt_with_decl): Likewise.
36 * gcc/c-tree.h (ITERATOR_P): Remove.
37 (ITERATOR_BOUND_P): Likewise.
38 (init_iterators): Remove declaration.
39 (iterator_expand): Likewise.
40 (iterator_for_loop_start): Likewise.
41 (iterator_for_loop_end): Likewise.
42 (iterator_for_loop_record): Likewise.
43 (push_iterator_stack): Likewise.
44 (pop_iterator_stack): Likewise.
45 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
46 (readonly_warning): Likewise.
47 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
49 2000-08-24 Jim Wilson <wilson@cygnus.com>
51 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
52 Copy type in a TYPE_DECL, just like pushdecl does.
54 2000-08-24 Richard Henderson <rth@cygnus.com>
56 * toplev.c (main): Enable flag_reorder_blocks at -O2.
58 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
60 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
61 asked for one page, allocate GGC_QUIRE_SIZE of them and put
62 the extras on the free list.
63 (release_pages): Clean up.
64 (ggc_set_mark): Don't adjust G.allocated here...
65 (sweep_pages): ... do it here.
67 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
69 * cppfiles.c (read_include_file): Rearrange initializations.
71 2000-08-24 Richard Henderson <rth@cygnus.com>
73 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
75 * config/ia64/ia64-protos.h: Update.
76 * config/ia64/ia64.c (gr_register_operand): New.
77 (fr_register_operand, grfr_register_operand): New.
78 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
79 (grfr_reg_or_8bit_operand): New.
80 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
81 use gr_register_operand.
82 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
83 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
84 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
85 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
86 (fr_reg_or_fp01_operand): Likewise.
87 (not_postinc_memory_operand): New.
88 (ia64_split_timode): Remove unused variables.
89 (rtx_needs_barrier): Check arguments to cmpxchg.
90 (builtin_description): Remove.
91 (bdesc_2argsi, bdesc_2argdi): Remove.
92 (ia64_init_builtins): Declare all builtins directly.
93 (ia64_expand_fetch_and_op): Rewrite to be called from
94 ia64_expand_builtin directly. Use expand_binop and co.
95 (ia64_expand_op_and_fetch): Likewise.
96 (ia64_expand_compare_and_swap): Likewise.
97 (ia64_expand_binop_builtin): Remove.
98 (ia64_expand_lock_test_and_set): New.
99 (ia64_expand_lock_release): New.
100 (ia64_expand_builtin): Use them.
101 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
102 (EXTRA_CONSTRAINT): Use it.
103 (PREDICATE_CODES): Update.
104 * config/ia64/ia64.md (*): Use gr_register_operand and co.
105 (mf): Indicate that we set memory as well as use it.
106 (fetchadd_acq_si): Show memory being modified as well.
107 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
108 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
109 (lock_test_and_set_si, lock_test_and_set_di): Remove.
110 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
111 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
112 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
113 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
114 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
115 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
116 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
117 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
118 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
119 return type. Pretty print definitions.
121 2000-08-24 Jim Wilson <wilson@cygnus.com>
123 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
124 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
126 2000-08-24 Jason Merrill <jason@redhat.com>
128 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
129 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
130 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
131 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
133 2000-08-24 Greg McGary <greg@mcgary.org>
135 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
136 and extendtab within their proper array boundaries.
137 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
138 for the entire array.
140 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
141 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
142 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
143 * config/fr30/fr30.c (fr30_print_operand): Likewise.
144 * config/i386/dgux.c (output_options): Likewise.
145 * config/i386/dgux.h (ASM_FILE_START): Likewise.
146 * config/m88k/m88k.c (output_options): Likewise.
147 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
148 * config/mcore/mcore.c (mcore_output_inline_const_forced,
149 layout_mcore_frame, handle_structs_in_regs): Likewise.
150 * config/mips/mips.c (output_block_move): Likewise.
151 * config/rs6000/rs6000.c (rs6000_override_options,
152 rs6000_file_start): Likewise.
153 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
154 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
155 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
156 * builtins.c (expand_builtin_setjmp): Likewise.
157 * expr.c (safe_from_p): Likewise.
158 * flow.c (life_analysis): Likewise.
159 * fold-const.c (size_int_type_wide): Likewise.
160 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
161 * genattrtab.c (make_length_attrs): Likewise.
162 * genopinit.c (gen_insn): Likewise.
163 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
164 * global.c (global_alloc): Likewise.
165 * local-alloc.c (find_free_reg): Likewise.
166 * mips-tdump.c (print_symbol): Likewise.
167 * mips-tfile.c (parse_def, parse_input): Likewise.
168 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
169 * stmt.c (expand_nl_goto_receiver): Likewise.
170 * stor-layout.c (set_sizetype): Likewise.
171 * varasm.c (decode_reg_name): Likewise.
172 * toplev.c (decode_f_option, decode_W_option,
173 set_target_switch, print_switch_values): Likewise.
174 (NUM_ELEM): Remove macro.
175 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
177 2000-08-24 Greg McGary <greg@mcgary.org>
179 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
180 (MAIN_NAME_P, main_identifier_node): New macros.
181 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
182 * c-decl.c (start_decl, grokdeclarator, start_function,
183 store_parm_decls, finish_function): Use MAIN_NAME_P.
184 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
185 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
186 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
187 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
189 2000-08-24 Greg McGary <greg@mcgary.org>
191 * cppfiles.c (actual_directory): Don't write beyond `dir'
193 * real.c (asctoeg): Stay within bounds of etens[][].
195 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * dependence.c (dependence_string, direction_string,
198 dump_one_node, dump_node_dependence): Hide unused identifiers.
199 (get_low_bound, normalize_coefficients): Match definition to
201 (get_one_coefficient): Initialize variables `value0_is_idx' and
203 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
204 (ziv_test): Delete variable `idx', use parameter `sub' instead.
205 (direction_merge): Avoid automatic aggregate initialization.
206 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
207 Initialize variables `dest_idx' and `src_idx'.
208 (end_dependence_analysis): Avoid C89 style function definition.
210 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
212 * c-common.c (time_char_table): Don't allow width with %F.
213 (check_format_info): Don't allow "Z" length with scanf.
215 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
217 * diagnostic.c (finish_diagnostic): Define.
218 (output_do_printf): Use wrap_text instead of output_add_string.
219 (default_print_error_function): Avoid embedded '\n'.
221 * diagnostic.h (flush_diagnostic_buffer): Declare.
223 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
225 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
227 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
229 * Makefile.in (GCC_PASSES): Add specs.
231 2000-08-23 Jim Wilson <wilson@cygnus.com>
233 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
234 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
235 EHANDLER nor UHANDLER bit is set.
236 (__get_except_table): Likewise.
238 2000-08-23 Nick Clifton <nickc@redhat.com>
240 * config/arm/lib1funcs.asm: Replace upper case condition codes
241 with lower case versions.
243 * config/arm/arm.h (STRUCT_VALUE): Define.
244 (STRUCT_VALUE_REGNUM): Delete.
246 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
248 * cpphash.h (IN_I): New flag for directive table.
249 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
251 (_cpp_check_directive): If -fpreprocessed, execute directives
252 marked with IN_I. Issue no warnings in this case.
253 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
255 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
257 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
259 (check_format_info): Support printf 'I' flag; warn about it with
262 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
264 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
265 barrier can't be ignored by the alias analysis code.
267 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
269 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
270 works inside fixincl.
272 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
274 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
275 simplify_relational_operation() unless both operands are of
277 * cse.c (fold_rtx): Likewise.
279 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
281 * rtlanal.c (rtx_unstable_p): The pic register is stable
282 (within one function) and the actual rtx should be used
283 when checking the registers.
284 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
286 * alias.c (true_dependence, write_dependence_p): Fix
287 bug in previous patch.
289 * i386.c (ix86_GOT_alias_set): New.
290 (legitimize_pic_address): Use it.
292 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
293 only stable if its address is stable.
294 (rtx_varies_p): An unchanging MEM can't vary if
295 its address doesn't vary.
297 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
301 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
303 * vax.h (ASM_SPEC): Pass `-J' to assembler.
304 * x-vax-gcc: New file for bootstrapping with gcc.
305 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
306 * configure.in: Use x-vax-gcc with gcc.
307 * configure: Rebuilt.
309 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
311 * toplev.c (rest_of_compilation): Rebuild label notes after
312 post-reload splitting pass if new labels have been created.
314 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
316 * diagnostic.h (output_buffer_state): New macro.
317 * diagnostic.c (diagnostic_for_decl, sorry,
318 default_print_error_function, output_do_verbatim,
319 report_diagnostic, report_problematic_module): Use it.
321 (output_format): Use wrap_text instead of maybe_wrap_text.
323 2000-08-22 Nick Clifton <nickc@redhat.com>
325 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
326 Common code for ARM divide and modulus functions.
327 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
329 (FUNC_END): New macro: Common code at the end of the division and
331 (THUMB_FUNCTION_START): New macro: Common code at the start of
333 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
335 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
337 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
339 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
340 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
343 2000-08-22 Nick Clifton <nickc@redhat.com>
345 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
346 restorative additions, test for bottom bits of IP being set,
347 rather than relying upon the RORs not matching.
350 2000-08-22 David Edelsohn <edelsohn@gnu.org>
352 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
353 text_section() as appropriate instead of emitting text csect
355 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
356 (UNIQUE_SECTION): Define macro.
357 (ASM_OUTPUT_SECTION_NAME): Define macro.
358 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
359 on AIX if debugging and -fdata-sections always.
361 2000-08-22 Steven King <sxking@uswest.net>
363 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
365 (LDBL_MAX): Same here.
367 2000-08-22 Richard Henderson <rth@cygnus.com>
369 * flow.c (tidy_fallthru_edge): Update b->end properly.
371 2000-08-22 Stan Cox <scox@redhat.com>
373 * Makefile.in (OBJS): Add dependence.o.
374 * dependence.c: New file.
376 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
378 * calls.c (check_sibcall_argument_overlap_1): Adjust for
380 (check_sibcall_argument_overlap): Likewise.
382 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
384 * invoke.texi (SH Options): Document -m4-nofpu,
385 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
386 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
388 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
390 * c-common.c (check_format_info): Give the 'some locales' warning
391 for strftime %Ey rather than the unconditional 'only last 2 digits
394 2000-08-22 Richard Henderson <rth@cygnus.com>
396 * alias.c (init_alias_analysis): Do not register
397 struct_value_incoming_rtx or static_chain_rtx as pointing
400 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
402 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
404 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
406 * diagnostic.h (report_problematic_module): Declare.
407 * diagnostic.c (report_problematic_module): New function.
408 (report_error_function): Tweak.
410 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
412 * stmt.c (expand_goto_internal, fixup_gotos): Only check
413 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
415 2000-08-21 Richard Henderson <rth@cygnus.com>
417 * flow.c (calculate_global_regs_live): Mark frame pointer live
418 everywhere before reload.
420 2000-08-21 Jim Wilson <wilson@cygnus.com>
422 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
423 INTEL_EXTENDED_IEEE_FORMAT.
424 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
425 clear last two bytes of output FP value.
427 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
429 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
431 2000-08-21 Jakub Jelinek <jakub@redhat.com>
433 * unroll.c (loop_find_equiv_value): If ret is modified between
434 insn and loop_start, ret might not be equivalent to reg.
436 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
438 * c-common.c (init_dollar_format_checking,
439 maybe_read_dollar_number, finish_dollar_format_checking): New
441 (dollar_arguments_used, dollar_arguments_count,
442 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
444 (check_format_info): Support $ formats for scanf and printf width
445 and precision. Always increment format_chars to advance past the
446 '*' of precision, not just when the format parameters are
449 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * mips.c (block_move_loop, expand_block_move,
452 function_arg_partial_nregs, save_restore_insns, function_prologue,
453 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
455 (function_arg_advance, function_arg): Match argument to format
458 2000-08-21 Nix <nix@esperi.demon.co.uk>
460 * gcc.c (do_spec_1): Implement %j spec flag.
463 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
464 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
465 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
466 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
468 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
469 writable) instead of hardcoded value.
471 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
473 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
476 * gcc.c (cc1_options): Do not process -o or run the assembler if
478 * objc/lang-spec.h: Likewise.
480 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
482 * fixinc/fixincl.c (fix_with_system): Pipe the output of
483 "external" fixes through `cat', to avoid truncating the input
486 2000-08-21 Jakub Jelinek <jakub@redhat.com>
488 * config/i386/i386.md (lea_general_1): Copy insn condition to split
490 (lea_general_2, lea_general_3): Likewise.
492 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
494 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
495 warnings to user code.
497 * c-lex.c (readescape, yylex): Likewise.
499 * c-typeck.c (store_init_value, process_init_element): Likewise
500 (c_expand_start_case): Format.
502 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
504 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
506 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
507 and linker_endian_spec to endian_spec.
508 (ENDIAN_SPEC): Add %{EB} and %{EL}.
509 (LINK_SPEC): Remove %{EB} and %{EL}.
510 (ASM_SPEC): Likewise. Use %(endian_spec).
512 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
514 * c-tree.h (flag_hosted): Move declaration from here...
515 * c-common.h (flag_hosted): ... to here.
516 (flag_noniso_default_format_attributes): New declaration.
517 * c-decl.c (flag_noniso_default_format_attributes): New variable.
518 (c_decode_option): Set it appropriately for options choosing
519 language standard variant.
520 * c-common.c (init_function_format_info): Only provide default
521 format attributes if flag_hosted. Only provide the gettext
522 formats if flag_noniso_default_format_attributes. Update
524 (check_format_info): Disable treatment of %a as a scanf flag in
527 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
529 * c-common.c (scan_char_table): Add 'w' to flags for all formats
531 (check_format_info): Set 'wide' for scanf format widths. Warn for
532 a zero scanf width. Make the check for writing into a constant
533 object at the first level of indirection; at later levels, warn if
534 any type qualifiers are encountered.
536 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
538 * reload.c (reload_inner_reg_of_subreg): New function broken out of
540 (push_reload): Use reload_inner_reg_of_subreg.
541 (combine_reloads): Do not combine reloads if the input reload
542 is a SUBREG in which the inner part will need reloading.
544 * global.c (global_alloc): Avoid passing dumpfile argument to
546 * toplev.c (rest_of_compilation): Likewise.
547 * reload.h (reload): Remove dumpfile argument. Callers changed.
548 (debug_reload, debug_reload_to_stream): Move prototypes here.
549 * rtl.h (reload): Remove dumpfile argument.
550 * reload.c (debug_reload): Remove prototype.
551 (debug_reload_to_stream): Likewise.
552 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
555 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
557 * diagnostic.c (context_as_prefix): Export.
558 (need_error_newline): Remove.
559 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
560 (error_module_changed, record_last_error_module,
561 error_function_changed, record_last_error_function): New functions.
562 (initialize_diagnostics): Default intialize
563 lang_diagnostic_starter, lang_diagnostic_finalizer.
564 (init_output_buffer): Tweak.
565 (file_name_as_prefix): New function.
566 (announce_function, default_print_error_function,
567 report_error_function, set_diagnostic_context): Tweak.
569 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
571 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
572 condition expression.
574 2000-08-20 Richard Henderson <rth@cygnus.com>
576 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
578 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
580 * cppinit.c (cpp_init): Set global flag when called.
581 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
583 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
585 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
586 before `process_directive' so that newlines won't be missed
588 (cpp_printf): Increment `print->lineno' when newline is emitted.
590 * cppmain.c (cb_ident): Likewise.
591 (cb_define): Likewise.
592 (cb_undef): Likewise.
593 (cb_include): Likewise.
594 (cb_def_pragma): Likewise.
595 (dump_macros_helper): Likewise.
597 2000-08-20 Richard Henderson <rth@cygnus.com>
599 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
600 assigned before a loop.
602 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
603 (ashrsi3, lshrsi3): Likewise.
605 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
607 * c-lang.c: #include diagnostic.h
608 (c_tree_printer): New function.
609 (lang_init): Initialize lang_printer.
611 * Makefile.in (c-lang.o): Depends on diagnostic.h
613 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
615 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
617 * diagnostic.c (default_diagnostic_starter,
618 default_diagnostic_finalizer): New functions.
619 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
620 (pedwarn, pedwarn_with_file_and_line, error,
621 error_with_file_and_line, fatal, warning,
622 warning_with_file_and_line): Adjust call to report_diagnostic.
623 (report_diagnostic): Rework.
624 (set_diagnostic_context): New function.
626 * diagnostic.h (struct diagnostic_context): New data structure.
627 (diagnostic_message, diagnostic_argument_list,
628 diagnostic_file_location, diagnostic_line_location,
629 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
630 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
631 (set_diagnostic_context): Declare.
632 (report_diagnostic): Change prototype.
634 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
636 * fix-header.c (main): Initialize cpplib.
638 2000-08-19 Michael Meissner <meissner@redhat.com>
640 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
641 instructions in it before checking for indirect jumps.
643 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
644 in a indirect jump as a potential for conditional execution.
646 * d30v.h (d30v_init_expanders): Don't declare here.
647 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
650 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
652 * cpp.texi: Add @section for assertions.
654 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
656 * loop.c (scan_loop): Use CONST_CALL_P instead of
657 checking for REG_LIBCALL / REG_RETVAL.
659 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
661 * reload1.c (reload_as_needed): Accept dumpfile argument,
662 pass it to emit_reload_insns.
663 (emit_reload_insns): Add new dumpfile argument. If non-null
664 then dump the reloads for each insn into the dumpfile.
665 (reload): Pass dumpfile to reload_as_needed.
667 * invoke.texi: Clean up linux-gnu vs linux comments.
669 2000-08-19 Richard Henderson <rth@cygnus.com>
671 * config/ia64/ia64.c (reg_or_5bit_operand): New.
672 (ia64_depz_field_mask): New.
673 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
674 (PREDICATE_CODES): Update.
675 * config/ia64/ia64.md: Update commentary.
676 (depz_internal): New.
677 (ashlsi3): Implement directly.
678 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
679 (ashldi3): Use shladd.
680 * config/ia64/ia64-protos.h: Update.
682 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
684 * toplev.c (independent_decode_option): Always process -g.
685 Remove third argument, now unused. Adjust caller to match.
687 2000-08-18 Richard Henderson <rth@cygnus.com>
689 * combine.c (make_compound_operation): Break after creating
692 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
694 * cpplib.c (cpp_register_pragma_space): Just return if the
695 namespace is already registered.
697 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
699 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
700 constant amount. Do not generate ROTL instruction.
702 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
704 * config/sh/elf.h: Do not include sh/sh.h.
705 * config/sh/rtems.h: Likewise.
706 * config/sh/rtemself.h: Do not include sh/elf.h.
707 * configure.in: Get them included with `tm_file's.
708 * configure: Rebuilt.
710 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
711 * config/sh/sh.c (fpscr_set_from_mem): Use them.
713 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
715 * stor-layout.c (compute_record_type): Don't use mode of single
716 field as mode of record if not integer mode of same type.
718 * regmove.c (perhaps_ends_bb_p): New function.
719 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
720 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
721 (fixup_match_1): Likewise.
722 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
723 avoid signed/unsigned warnings.
725 * function.c (fixup_var_refs_1, case MEM): Update CODE after
728 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
730 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
731 (_cpp_trigraph_map): Declaration moved from cpplex.c
733 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
734 instead of 256. Use consistent test for designated initializers.
735 (cpp_init): Initialize trigraph_map.
736 (initialize_standard_includes, parse_option): Use memcmp
739 * cpplex.c (init_trigraph_map): Remove.
740 (trigraph_ok, trigraph_replace, lex_line): Refer to
743 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
744 (do_unassert): Remove unused "next" local.
746 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
748 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
750 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
753 2000-08-17 Richard Henderson <rth@cygnus.com>
755 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
756 the first insn in a sequence.
758 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
760 * alias.c (true_dependence, write_dependence_p): A read
761 involving a label_ref or the constant pool doesn't create
764 * rtl.h (unchanging): Improve documentation.
766 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
768 * cse.c (insert_regs): Remove unused `regno'.
770 2000-08-17 Neil Booth <NeilB@earthling.net>
772 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
773 remove_dup_dirs. If qtail == brack, remove brack not
775 (remove_dup_dir, remove_dup_dirs): New functions.
777 2000-08-17 Neil Booth <NeilB@earthling.net>
779 * cppinit.c (cpp_cleanup): Free include dir chains.
780 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
781 (do_unassert): Free the assert with _cpp_free_definition.
782 * cppmacro.c (_cpp_free_definition): Free memory allocated for
783 assertions. Make the node a T_VOID node.
785 2000-08-17 Neil Booth <NeilB@earthling.net>
787 * cppinit.c (path_include, append_include_chain):
788 Remove 2nd parameter (struct cpp_pending *).
789 (path_include, initialize_standard_includes, cpp_handle_option):
790 Update callers appropriately.
791 (cpp_handle_option): Use pend.
793 2000-08-17 Neil Booth <NeilB@earthling.net>
795 * cppinit.c (sort_options): Remove, put functionality in
798 (initialize_builtins): Free memory.
799 (cpp_start_read): Move init_IStable to cpp_init.
801 * cpplib.h (cpp_init): New prototype.
802 * cppmain.c (main): Call cpp_init.
804 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
806 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
807 (rtx_unstable_p, rtx_varies_p): Process vectors.
809 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
811 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
812 references to GLOBAL symbols. Use LOCAL where appropriate.
814 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
816 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
817 use t-aix41 when host == target.
819 2000-08-16 Richard Henderson <rth@cygnus.com>
821 * reload.c (push_secondary_reload): Revert last change.
822 If we use a reload_in/out pattern, make the when the same
823 as the primary reload.
824 (find_reloads): Likewise.
826 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
828 * configure.in (libstdcxx-v3): Fix test.
829 * configure: Regenerate.
831 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
833 * calls.c (calls_function_1, expand_call): Only test
834 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
835 * function.c (thread_prologue_and_epilogue_insns): Likewise.
837 2000-08-16 Richard Henderson <rth@cygnus.com>
839 * combine.c (simplify_shift_const): Revert previous two
840 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
841 before the main loop.
843 2000-08-15 Richard Henderson <rth@cygnus.com>
845 * combine.c (simplify_shift_const): Bound shift count when
848 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
850 * calls.c (ECF_SP_DEPRESSED): New macro.
851 (calls_function_1): Treat calling sp-depressed function as alloca.
852 (emit_call_1): Don't adjust SP if calling sp-depressed function.
853 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
854 If sp-depressed, ensure block saves and restores SP.
855 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
857 * function.c (keep_stack_depressed): New function.
858 (thread_prologue_and_epilogue_insns): Call it.
859 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
860 to print DECL_OFFSET_ALIGN.
861 Print no-force-blk and transparent-union flags properly.
862 * stmt.c (expand_goto_internal): Don't restore stack if last block
863 and function returns with sp depressed.
864 (fixup_gotos): Likewise.
865 (save_stack_pointer): New function, from code in expand_decl.
866 (expand_decl): Call new function.
867 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
868 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
869 (save_stack_pointer): New declaration.
871 * diagnostic.c (fatal_function): New variable.
872 (set_fatal_function): New function.
874 * diagnostic.h (set_fatal_function): New declaration.
876 2000-08-15 William Cohen <wcohen@redhat.com>
878 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
879 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
880 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
882 2000-08-15 Richard Henderson <rth@cygnus.com>
884 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
886 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
888 * arm.c (arm_function_ok_for_sibcall): New function.
889 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
890 * arm.md (call expanders): Don't check here for calls that can't
893 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
895 * arm.md (splits generating cond_exec): Disable.
897 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
899 * arm/linux-elf.h (text_section): Delete declaration.
901 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
903 ARM support for unordered FP operations.
904 * arm-protos.h (arm_comparison_operator): Declare.
905 * arm.c (arm_comparison_operator): New function.
906 (arm_select_cc_mode): Add unordered comparison codes.
907 (get_arm_condition_code): Likewise.
908 (arm_final_prescan_insn): Can't handle unordered jumps that can't
910 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
911 * arm.md (all uses of comparison_operator): Replace with
912 arm_comparison_operator.
913 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
915 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
918 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
920 * gthr-posix.h: Conditionally include <sched.h>; include
921 <config.h> from libobjc/.
923 2000-08-14 Richard Henderson <rth@cygnus.com>
925 * config/i386/i386.c (legitimize_pic_address): Use Pmode
928 2000-08-14 Richard Henderson <rth@cygnus.com>
930 * configure.in (ia64-*): Set float_format for i386 long double.
932 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
933 as we would for i386 XFmode.
934 (PUT_REAL): Likewise.
935 (endian, ereal_atof, real_value_truncate): Likewise.
936 (ereal_isneg, toe64, etens, make_nan): Likewise.
937 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
939 * config/ia64/ia64-protos.h: Update.
940 * config/ia64/ia64.c (general_tfmode_operand): New.
941 (destination_tfmode_operand): New.
942 (tfreg_or_fp01_operand): New.
943 (ia64_split_timode): New.
944 (spill_tfmode_operand): New.
945 (ia64_expand_prologue): Use TFmode not XFmode.
946 (ia64_expand_epilogue): Likewise.
947 (ia64_function_arg): Likewise.
948 (ia64_function_arg_advance): Likewise.
949 (ia64_return_in_memory): Likewise.
950 (ia64_function_value): Likewise.
951 (ia64_print_operand): Likewise.
952 (ia64_register_move_cost): Set GR<->FR to 5.
953 (ia64_secondary_reload_class): Get GR for TImode memory op.
954 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
955 (ROUND_TYPE_ALIGN): Remove.
956 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
957 (INTEL_EXTENDED_IEEE_FORMAT): Define.
958 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
959 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
960 (MODES_TIEABLE_P): Use TFmode, not XFmode.
961 (CLASS_MAX_NREGS): Likewise.
962 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
963 (PREDICATE_CODES): Update.
964 * config/ia64/ia64.md (movti): New.
965 (movti_internal): Use a clobber for memory alternatives.
966 (reload_inti, reload_outti): New.
967 (movsfcc_astep): Predicate properly.
968 (movdfcc_astep): Likewise.
971 (extendsftf2, extenddftf2): New.
972 (trunctfsf2, trunctfdf2): New.
973 (floatditf2, fix_trunctfdi2): New.
974 (floatunsditf2, fixuns_trunctfdi2): New.
975 (addtf3, subtf3, multf3, abstf2): New.
976 (negtf2, nabstf2, mintf3, maxtf3): New.
977 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
979 (fr_spill): Use TFmode, not XFmode.
980 (fr_restore): Likewise.
981 * config/ia64/lib1funcs.asm (__divtf3): New.
982 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
984 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * cse.c (fold_rtx): Avoid empty body in an if-statement.
988 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
989 `U' integer constant suffix.
991 * dwarf2out.c (add_subscript_info): Avoid empty body in an
994 * sparc/sol2.h (__enable_execute_stack): Prototype.
996 2000-08-14 David Edelsohn <edelsohn@gnu.org>
998 * collect2.c: Remove use of AIX import file.
1000 * longlong.h: Test ARCH_PWR not ARCH_POWER.
1002 * rs6000.c (print_operand, case 'E'): Add else.
1004 2000-08-14 Richard Henderson <rth@cygnus.com>
1006 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
1007 (movdi_symbolic): New.
1009 2000-08-14 Jim Wilson <wilson@cygnus.com>
1011 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1012 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
1013 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1016 2000-08-14 Richard Henderson <rth@cygnus.com>
1018 * expr.c (emit_group_load): Don't force constants into registers.
1019 Special case source already in the correct mode.
1021 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
1023 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
1024 * fixinc/inclhack.def: Likewise.
1025 * fixinc/mkfixinc.sh: Likewise.
1026 * configure: Regenerate.
1027 * fixinc/fixincl.x: Regenerate.
1028 * install.texi: Document equivalence of linux and linux-gnu.
1030 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1032 * cse.c (insert_regs): Also in REG case: When finding an invalid
1033 value, and we make a new quantity, make sure that it won't be
1034 mistaken by for a valid one by mention_regs.
1036 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
1038 * h8300.md: Remove obsolete peepholes.
1040 2000-08-13 Kazu Hirata <kazu@hxi.com>
1042 * invoke.texi (H8/300 Options): Fix typos.
1043 * config/h8300.c: Fix formatting.
1044 * config/h8300.h: Fix comment typos.
1045 (OVERRIDE_OPTIONS): Fix formatting.
1047 * function.c: Fix formatting.
1049 * cse.c: Fix formatting.
1051 2000-08-13 Geoff Keating <geoffk@cygnus.com>
1053 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
1054 (attempt_auto_inc): Suppress parentheses warning.
1055 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
1056 * loop.c (load_mems): Remove `u' suffix in two places.
1057 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
1059 * config/rs6000/rs6000.h: Likewise.
1060 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
1061 __eabi dummy routine.
1062 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
1065 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
1066 not put stuff in .sdata unnecessarily.
1067 (rs6000_unique_section): New function.
1068 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
1069 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
1071 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
1072 arrays in C99. Don't try to look at DECL_REGISTER of a
1073 COMPONENT_REF. Don't complain twice about the same error.
1075 * fixinc/inclhack.def (aix_pthread): New fix.
1076 (aix_sysmachine): New fix.
1077 * fixinc/fixincl.x: Regenerate.
1079 * expr.c (expand_expr): Call convert_modes when turning a large
1080 multiply into a small one.
1082 2000-08-12 Geoff Keating <geoffk@cygnus.com>
1084 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
1085 the tree structure an exponent rather than an explicit alignment
1086 so it doesn't overflow.
1087 (SET_DECL_OFFSET_ALIGN): New macro.
1088 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
1089 rather than DECL_OFFSET_ALIGN.
1090 (place_field): Likewise.
1091 * expmed.c (store_bit_field): Abort on align==0 to avoid
1092 antisocial machine behaviour.
1094 2000-08-12 Richard Henderson <rth@cygnus.com>
1096 * sibcall.c (uses_addressof): Accept both addressof and
1097 current_function_internal_arg_pointer inside a mem.
1098 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
1099 if current_function_uses_addressof.
1100 * stmt.c (expand_return): Kill tail recursion and HAVE_return
1103 2000-08-11 Richard Henderson <rth@cygnus.com>
1105 * config/ia64/ia64.md (addsi3): Remove expander.
1106 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
1107 (*addsi3_shladd): New.
1109 2000-08-11 Richard Henderson <rth@cygnus.com>
1111 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
1112 (do_restore): Likewise.
1113 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
1114 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
1115 (rtx_needs_barrier): Track actual bit manipulation for
1116 ar.unat moves, gr_spill, and gr_restore.
1117 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
1118 (process_set): Don't handle varargs spills.
1119 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
1120 .mem.offset here instead of in process_set.
1121 (gr_restore): Likewise.
1123 2000-08-11 Richard Henderson <rth@cygnus.com>
1125 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
1127 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
1129 * gcc.texi (The Configuration File): Document
1130 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
1131 UPDATE_PATH_HOST_CANONICALIZATION.
1133 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
1136 unprototyped function pointer casts on integer constants.
1138 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
1140 * fixproto: Recognize DOS paths with drive letters as absolute paths.
1142 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
1144 * extend.texi (Volatiles): Fix typos.
1146 2000-08-11 Kazu Hirata <kazu@hxi.com>
1148 * flow.c: Fix formatting.
1150 2000-08-11 Richard Henderson <rth@cygnus.com>
1152 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
1153 pattern, always allocate a tertiary scratch register.
1155 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
1156 (reload_inhi): Likewise.
1158 2000-08-11 Richard Henderson <rth@cygnus.com>
1160 * function.c (put_reg_into_stack): Allow type to be NULL.
1161 (schedule_fixup_var_refs): Likewise.
1162 (gen_mem_addressof): Allow decl to be NULL.
1163 (put_addressof_into_stack): Likewise.
1165 * flow.c (merge_blocks_nomove): Be more careful about
1166 locating the beginning of block A.
1168 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
1170 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1175 * config.in: Reverted the check for <sched.h>.
1177 2000-08-10 Chris Demetriou <cgd@sibyte.com>
1179 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
1180 macros define the name of CTOR and DTOR sections.
1181 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1182 DTOR_LIST_END): Change to use attributes to specify
1184 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
1185 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1186 DTOR_LIST_END): Same as in mips/elf.h.
1188 2000-08-10 Drew Moseley <dmoseley@redhat.com>
1190 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
1191 disabling just crt0.o.
1193 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
1195 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
1196 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
1197 (EXTRA_SPECS): Add them.
1198 * arm/lib1funcs.asm: Support builds for interworking.
1199 Use macros to eliminate duplicated pieces of code.
1201 2000-08-10 Kazu Hirata <kazu@hxi.com>
1203 * h8300.c (expand_a_rotate): New.
1204 (emit_a_rotate): Likewise.
1205 (h8300_adjust_insn_length): Add support for the rotate insns.
1206 * h8300.md (rotlqi3): New.
1207 (*rotlqi3_1): Likewise.
1208 (rotlhi3): Likewise.
1209 (*rotlhi3_1): Likewise.
1210 (rotlhi3): Likewise.
1211 (*rotlhi3_1): Likewise.
1212 * h8300-proto.h: Add prototypes for expand_a_rotate and
1215 * h8300.c: Fix comment typos.
1216 (dosize): Declare the variable amount as unsigned.
1217 (get_shift_alg): Fix a comparison between signed and unsigned.
1218 (emit_a_shift): Likewise.
1219 (h8300_adjust_insn_length): Simplify the code.
1221 * c-decl.c: Fix formatting.
1223 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1225 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
1226 warning about non-traditional numeric constant suffixes.
1228 * cppexp.c (parse_number): Likewise.
1230 * invoke.texi: (-Wtraditional): Document new behavior.
1232 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1234 * gthr-posix.h: Include auto-host.h. Conditionally include
1236 * configure.in: Check for the <sched.h> header file.
1237 * config.in: Added define for HAVE_SCHED_H.
1239 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1241 * c-typeck.c (process_init_element): For -Wtraditional, warn about
1242 initialization of unions.
1244 * invoke.texi (-Wtraditional): Document new behavior.
1246 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
1248 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
1249 instead of extra_c_flags.
1250 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
1251 * configure: Regenerate.
1252 * config.in: Regenerate.
1254 * cpperror.c (cpp_type2name): New function.
1255 * cpplex.c (lex_line): If we issued an error for an invalid
1256 preprocessing directive, discard that logical line.
1257 * cpplib.c (do_line): Call a hook function if the current file
1258 is renamed by #line.
1259 (do_ident): Pass the contents of the string, not the entire
1260 token, to the callback function.
1261 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
1262 (cb.rename_file): New hook function.
1263 (cb.ident): Adjust prototype.
1264 (cpp_type2name): Prototype.
1265 * cppmacro.c (dump_macro_args): Correct precedence lossage.
1267 * cppmain.c (cb_ident): Update for changed interface.
1268 (cb_rename_file): New function.
1269 (main): Set rename callback.
1271 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
1273 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
1274 multi-word registers.
1276 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
1278 * c-common.c (combine_strings, check_format_info): Refer to ISO C
1279 or ISO C89 instead of ANSI C.
1280 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
1281 build_enumerator, do_case): Likewise.
1282 * c-lex.c (parse_float, yylex): Likewise.
1283 * c-parse.in: Likewise.
1284 * c-typeck.c (common_type, build_array_ref, build_binary_op,
1285 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
1286 build_c_cast, convert_for_assignment, set_init_index,
1287 set_init_label, c_expand_start_case): Likewise.
1288 * toplev.c (documented_lang_options, display_help): Likewise.
1290 2000-08-08 Kazu Hirata <kazu@hxi.com>
1292 * h8300.c: Fix formatting.
1293 * h8300.h: Likewise.
1294 * h8300.md: Likewise.
1295 (movsi_h8300hs): Fix formatting of the resulting assembly code.
1297 * reload1.c: Fix formatting.
1299 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
1301 * alpha/alpha.c (alpha_emit_xfloating_libcall):
1302 Use GEN_CALL_VALUE define.
1303 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
1304 * clipper/clipper.md (untyped_call): Likewise.
1305 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
1306 * fx80/fx80.md (untyped_call): Likewise.
1307 * mips/mips.md (untyped_call): Likewise.
1308 * ns32k/ns32k.md (untyped_call): Likewise.
1309 * pa/pa.md (untyped_call): Likewise.
1310 * romp/romp.md (untyped_call): Likewise.
1311 * sparc/sparc.md (untyped_call): Likewise.
1313 2000-08-08 Jason Eckhardt <jle@cygnus.com>
1315 * config/i860/i860.c (singlemove_string): Do not generate assembler
1316 pseudo instructions that must be expanded (that is, with signed
1317 constants larger than 16 bits).
1319 2000-08-08 Richard Henderson <rth@cygnus.com>
1321 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
1322 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
1323 (init_propagate_block_info): Don't kill memory stores at -O0.
1324 (mark_set_1, mark_used_regs): Likewise.
1326 2000-08-08 David Edelsohn <edelsohn@gnu.org>
1328 * rs6000.c (optimization_options): Decorate 'level' as
1330 (mask64_operand): Remove sign-extend thinko.
1331 (rldic_operand): New function.
1332 (load_multiple_operation): regno's are unsigned ints.
1333 (store_multiple_operation): Likewise.
1334 (lmw_operation): Likewise.
1335 (stmw_operation): Likewise.
1336 (includes_lshift_p): shift_mask is unsigned int.
1337 (includes_lshift64_p): New function.
1338 (addrs_ok_for_quad_peep): unsigned int reg1.
1339 (print_operand): Consistently add "else" after
1340 output_operand_lossage().
1341 (print_operand, case 'b'): Fold in case 'W'.
1342 (print_operand, case 'W'): Print rldic MB value.
1343 (output_epilogue): Update Objective-C language string.
1344 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
1345 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
1346 * rs6000.md (ashldi3): Add rldic instruction.
1347 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
1348 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
1351 2000-08-08 Richard Henderson <rth@cygnus.com>
1353 * config/ia64/ia64-protos.h: Remove duplicates. Update
1354 for massive code rearrangements.
1355 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
1356 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
1357 (ia64_local_regs, ia64_need_regstk): Remove.
1358 (ar_ccv_reg_operand): New.
1359 (ia64_gp_save_reg): New.
1360 (struct ia64_frame_info): Combine most of the size elements;
1361 add new gr save elements.
1362 (find_gr_spill): New.
1363 (next_scratch_gr_reg): New.
1364 (mark_reg_gr_used_mask): New.
1365 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
1366 to GR backing store regs when possible.
1367 (ia64_initial_elimination_offset): New.
1368 (ia64_rap_fp_offset): Remove.
1369 (save_restore_insns): Remove.
1370 (setup_spill_pointers): New.
1371 (finish_spill_pointers): New.
1372 (spill_restore_mem): New.
1373 (do_spill, do_restore): New.
1374 (ia64_expand_prologue): Rewrite to use them.
1375 (ia64_expand_epilogue): Likewise.
1376 (ia64_direct_return): Update for current_frame_info changes.
1377 (ia64_function_prologue): Simplify .prologue emission. Emit
1379 (ia64_setup_incoming_varargs): Don't ever emit rtl.
1380 (ia64_dbx_register_number): New.
1381 (ia64_initialize_trampoline): New.
1382 (ia64_secondary_reload_class): Request GR_REGS for integer
1383 arithmetic destined for FR_REGS.
1384 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
1385 (ia64_mark_machine_status): Mark ia64_gp_save.
1386 (rws_access_regno): Rename from rws_access_reg; don't treat
1387 predicates specially.
1388 (rws_access_reg): New. Update all callers.
1389 (rtx_needs_barrier): Remove dead unspecs.
1390 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
1391 (ia64_encode_section_info): Silence signed/unsigned warnings.
1392 (spill_offset, sp_offset, spill_offset_emitted): Remove.
1393 (tmp_reg, tmp_saved): Remove.
1394 (process_set): Rewrite to expect complicated bits via
1395 REG_FRAME_RELATED_EXPR.
1396 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
1397 in the use of ar.ccv; never set RTX_UNCHANGING_P.
1398 (ia64_expand_op_and_fetch): Likewise.
1399 (ia64_expand_compare_and_swap): Likewise.
1400 (ia64_expand_builtin): Likewise.
1401 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
1402 (FIRST_PSEUDO_REGISTER): Update.
1403 (AR_M_REGNO_P): Update.
1404 (FIXED_REGS): Don't mark three local registers as used.
1405 (EXTRA_CC_MODES): New.
1406 (SELECT_CC_MODE): New.
1407 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
1408 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
1409 (FRAME_GROWS_DOWNWARD): Unset.
1410 (STARTING_FRAME_OFFSET): Zero.
1411 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
1412 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
1413 (HARD_FRAME_POINTER_REGNUM): New.
1414 (CAN_DEBUG_WITHOUT_FP): Define.
1415 (TRAMPOLINE_TEMPLATE): Remove.
1416 (TRAMPOLINE_SIZE): Lower to 32.
1417 (TRAMPOLINE_ALIGNMENT): Lower to 64.
1418 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
1419 (PREDICATE_CODES): Update.
1420 (struct machine_function): Add ia64_gp_save.
1421 * config/ia64/ia64.md: Purge unused unspecs.
1422 (movsi patterns): Allow moves to/from AR_M_REGS.
1423 (movdi patterns): Allow moves to/from p0.
1424 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
1425 (gr_spill, gr_restore): Indicate ar.unat read/written.
1426 (nonlocal_goto): Don't pass old frame_pointer.
1427 (nonlocal_goto_receiver): Remove.
1428 (exception_receiver): New.
1429 (builtin_setjmp_setup): New.
1430 (builtin_setjmp_receiver): New.
1431 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
1432 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
1433 (__ia64_restore_stack_nonlocal): Likewise.
1434 (__ia64_trampoline): New.
1435 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
1437 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
1439 2000-08-08 Richard Henderson <rth@cygnus.com>
1441 * frame.h (ia64_frame_state): Add my_psp.
1442 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
1443 (__throw): Pass it in. Don't clobber r7.
1444 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
1445 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
1446 and nothing to do with sp.
1447 (normalize_reg_loc): Use frame->my_psp.
1448 (frame_translate): Handle frame-pointer-less functions. Set
1449 spill_base correctly, in absence of being told.
1450 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
1451 (__ia64_backtrace_helper): New sp argument. Use
1452 builtin_return_address instead of label addresses.
1453 (print_record) [mem_stack_v]: No size member.
1455 2000-08-08 Richard Henderson <rth@cygnus.com>
1457 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
1459 2000-08-08 Richard Henderson <rth@cygnus.com>
1461 * tm.texi (LOCAL_REGNO): Document.
1462 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
1463 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
1464 * reload1.c (reload): Likewise when considering nonlocal labels.
1466 * config/ia64/ia64.h (LOCAL_REGNO): New.
1467 * config/sparc/sparc.h (LOCAL_REGNO): New.
1469 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
1471 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
1473 2000-08-07 Nick Clifton <nickc@redhat.com>
1475 * config/mips/mips.c: Fix compile time warning messages.
1476 * config/mips/mips-protos.h: Add prototype for equality_op.
1478 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
1480 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
1482 * mn10300.md: Use nonimmediate_operand instead of general_operand
1485 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
1487 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
1489 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
1490 * sh.c (expand_block_move): Break long lines.
1491 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
1492 * sh.md (mulsi3): Likewise.
1493 (movdi): Adjust spacing.
1495 2000-08-07 Richard Henderson <rth@cygnus.com>
1497 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
1498 * expr.c (emit_group_store): Don't set it.
1500 2000-08-07 Kazu Hirata <kazu@hxi.com>
1502 * invoke.texi (Options for Debugging Your Program or GCC): Remove
1503 duplicate entries for 'w' and 'z'.
1505 * flow.c: Fix a comment typo.
1507 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1509 * c-parse.in: Changed the language string for Objective-C to "GNU
1512 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1514 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
1515 to improve the Posix thread support for Objective-C.
1517 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
1519 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
1520 CTI_UNSIGNED_PTRDIFF_TYPE.
1521 (signed_size_type_node): Define.
1522 (unsigned_ptrdiff_type_node): Define.
1523 * c-decl.c (init_decl_processing): Create the
1524 signed_size_type_node and unsigned_ptrdiff_type_node types.
1525 * c-common.c (T_SC): Define.
1528 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
1529 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
1531 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
1532 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
1533 flags for %c, %s and %[.
1534 (check_format_info): Only allow leniency for signedness of targets
1535 of character pointers (when pedantic) for formats flagged with
1536 "c", so for strings but not for %hh formats. When pedantic, don't
1537 allow character pointers to substitute for void pointers if a
1538 second level of indirection is present.
1540 2000-08-06 Kazu Hirata <kazu@hxi.com>
1542 * invoke.texi (Options for Debugging Your Program or GCC): Update
1543 the names of dump files.
1545 * h8300.c (dosize): Rearrange code for conciseness.
1546 (split_adds_subs): Likewise.
1548 * loop.c: Fix formatting.
1550 * dwarf2out.c: Fix formatting.
1552 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
1554 * expr.c: Fix formatting.
1556 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1558 * rs6000.c (rs6000_maybe_dead): Prototype.
1560 2000-08-06 Richard Henderson <rth@cygnus.com>
1562 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
1563 HAVE_nonlocal_goto as well.
1564 * config/i960/i960.md (nonlocal_goto): Don't do it here.
1565 * config/pj/pj.md (nonlocal_goto): Likewise.
1567 2000-08-07 Michael Hayes <mhayes@cygnus.com>
1569 * loop.c (try_swap_copy_prop): New function.
1570 (load_mems): Rename copies to load_copies and add new regset
1571 store_copies. Check for sets of shadow registers and mark
1572 in store_copies. Call try_swap_copy_prop for registers
1573 marked in store_copies.
1575 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1577 * objc/objc-act.c: New command line option -fconstant-string-class
1578 to allow specifying a user defined constant string class,
1579 different from NXConstantString.
1581 * toplev.c: Moved the Objective-C specific options to
1582 objc/lang-options.h.
1584 * objc/lang-options.h: Moved the Objective-C specific options from
1585 toplev.c. Added -fconstant-string-class.
1587 2000-08-05 Chris Demetriou <cgd@sibyte.com>
1589 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1590 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
1591 __CTOR_LIST__ from func_ptr array to just func_ptr, to
1592 avoid extra alignment imposed on arrays.
1593 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1594 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
1596 * mips.h: Clean up comments and spacing near MASKs.
1597 (TARGET_UNIX_ASM): Delete.
1598 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
1599 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
1602 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
1604 * c-common.c (print_char_table): Add entries for the X/Open '
1605 format flag (print decimals with locale's thousands grouping
1606 character). Make %C expect wint_t.
1607 (check_format_info): If pedantic, warn when the %n$ operand
1608 number form is used. Allow for the ' flag; warn about it if
1611 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
1613 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
1614 type is a float mode, cfun->decl's return type is not, and
1615 TARGET_FLOAT_RETURNS_IN_80387.
1617 2000-08-04 Andreas Schwab <schwab@suse.de>
1619 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
1620 token list, which are always `#' and `pragma'.
1622 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
1624 * tree.c (tree_expr_nonnegative_p): Move to...
1625 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
1626 (rtl_expr_nonnegative_p): New.
1627 * tree.h: Add prototype for rtl_expr_nonnegative_p.
1629 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
1630 CONST_DOUBLE_CHAIN: Move to...
1631 * rtl.h: ...here. Use XCINT/XCEXP.
1633 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
1634 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
1635 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
1638 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
1640 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1642 * config/c4x/c4x.md (return_indirect_internal): New.
1643 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
1645 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1647 * c-common.c (time_char_table): Mark up formats added in C99 and
1648 make other corrections. %D and %g were added in C99. %Og is an
1649 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
1650 C99. %e was added in C99. %Oj is an extension. %G and %z are in
1651 C99 rather than GNU extensions, but %OG and %Oz are extensions.
1652 %h was added in C99. %C was added in C99. %OY and %OC are
1653 extensions. Add the C99 format %F.
1654 (check_format_info): If pedantic and not in C99 mode, warn for C99
1657 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1659 * function.c (schedule_fixup_var_refs): New function, broken out
1660 of put_reg_into_stack.
1661 (put_reg_into_stack): Use it.
1662 (put_var_into_stack): In CONCAT case, fixup up references for
1663 components only after fixing up references to the whole concat.
1665 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
1667 * alias.c (mark_constant_function): Use INSN_P.
1668 (init_alias_analysis): Likewise.
1669 * combine.c (combine_instructions): Use INSN_P.
1670 (can_combine_p): Likewise.
1671 (try_combine): Likewise.
1672 (distribute_notes): Likewise.
1673 (distribute_links): Likewise.
1674 * cse.c (cse_around_loop): Use INSN_P.
1675 (invalidate_skipped_block): Likewise.
1676 (cse_set_around_loop): Likewise.
1677 (cse_end_of_basic_block): Likewise.
1678 (delete_trivially_dead_insns): Likewise.
1679 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
1680 (unshare_all_rtl_1): Likewise.
1681 (next_cc0_user): Likewise.
1682 (try_split make_insn_raw): Likewise.
1683 (remove_unnecessary_notes): Likewise.
1684 * final.c (shorten_branches): Use INSN_P.
1685 (leaf_renumber_regs): Likewise.
1686 (leaf_renumber_regs_insn): Likewise.
1687 * flow.c (find_label_refs): Use INSN_P.
1688 (verify_wide_reg): Likewise.
1689 (notice_stack_pointer_modification): Likewise.
1690 (count_or_remove_death_notes): Likewise.
1691 (verify_flow_info): Likewise.
1692 (clear_log_links): Likewise.
1693 * function.c (fixup_var_refs_insns): Use INSN_P.
1694 (compute_insns_for_mem): Likewise.
1695 * gcse.c (alloc_gcse_mem): Use INSN_P.
1696 (compute_sets): Likewise.
1697 (compute_hash_table): Likewise.
1698 (classic_gcse): Likewise.
1700 (insert_insn_end_bb): Likewise.
1701 (delete_null_pointer_checks_1): Likewise.
1702 * global.c (expand_preferences): Use INSN_P.
1703 (build_insn_chain): Likewise.
1704 * graph.c (node_data): Use INSN_P.
1705 * haifa-sched.c (priority): Use INSN_P.
1706 (rm_line_notes): Likewise.
1707 (rm_other_notes): Likewise.
1708 (find_insn_reg_weight): Likewise.
1709 (init_target_units): Likewise.
1710 (schedule_block): Likewise.
1711 (compute_block_forward_dependences): Likewise.
1712 (debug_dependencies): Likewise.
1713 (set_priorities): Likewise.
1714 * integrate.c (function_cannot_inline_p): Use INSN_P.
1715 (save_parm_insns): Likewise.
1716 (copy_insn_list): Likewise.
1717 * jump.c (mark_all_labels): Use INSN_P.
1718 (never_reached_warning): Likewise.
1719 * lcm.c (optimize_mode_switching): Use INSN_P.
1720 * local-alloc.c (validate_equiv_mem): Use INSN_P.
1721 (memref_used_between_p): Likewise.
1722 (update_equiv_regs): Likewise.
1723 (block_alloc): Likewise.
1724 (no_conflict_p): Likewise.
1725 * loop.c (scan_loop): Use INSN_P.
1726 (find_and_verify_loops): Likewise.
1727 (count_loop_regs_set): Likewise.
1728 (loop_reg_used_before_p): Likewise.
1729 (strength_reduce): Likewise.
1730 (recombine_givs): Likewise.
1731 (check_dbra_loop): Likewise.
1732 (load_mems): Likewise.
1733 (try_copy_prop): Likewise.
1734 * print-rtl.c (print_rtx): Use INSN_P.
1735 * recog.c (find_single_use): Use INSN_P.
1736 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
1737 (next_flags_user): Likewise.
1738 (swap_rtx_condition): Likewise.
1739 * regmove.c (mark_flags_life_zones): Use INSN_P.
1740 (optimize_reg_copy_1): Likewise.
1741 (optimize_reg_copy_2): Likewise.
1742 (optimize_reg_copy_3): Likewise.
1743 (reg_is_remote_constant_p): Likewise.
1744 (fixup_match_2): Likewise.
1745 (regmove_optimize): Likewise.
1746 (fixup_match_1): Likewise.
1747 * regrename.c (build_def_use): Use INSN_P.
1748 (replace_reg_in_block): Likewise.
1749 (consider_use): Likewise.
1750 * reload.c (find_equiv_reg): Use INSN_P.
1751 * reload1.c (reload): Use INSN_P.
1752 (maybe_fix_stack_asms): Likewise.
1753 (calculate_needs_all_insns): Likewise.
1754 (reload_as_needed): Likewise.
1755 (emit_output_reload_insns): Likewise.
1756 (delete_address_reloads_1): Likewise.
1757 (reload_cse_regs_1): Likewise.
1758 (reload_combine): Likewise.
1759 (reload_cse_move2add): Likewise.
1760 * reorg.c (redundant_insn): Use INSN_P.
1761 (dbr_schedule): Likewise.
1762 * resource.c (find_dead_or_set_registers): Use INSN_P.
1763 (mark_target_live_regs): Likewise.
1764 * rtlanal.c (reg_used_between_p): Use INSN_P.
1765 (reg_referenced_between_p): Likewise.
1766 (reg_set_between_p): Likewise.
1767 (reg_set_p): Likewise.
1768 (single_set): Likewise.
1769 (multiple_sets): Likewise.
1770 (find_last_value): Likewise.
1771 (reg_set_last): Likewise.
1772 (find_reg_note): Likewise.
1773 (find_regno_note): Likewise.
1774 * sibcall.c (sequence_uses_addressof): Use INSN_P.
1775 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
1776 * ssa.c (find_evaluations): Use INSN_P.
1777 (rename_block): Likewise.
1778 (rename_equivalent_regs): Likewise.
1779 * unroll.c (loop_find_equiv_value): Use INSN_P.
1780 (set_dominates_use): Likewise.
1781 * varasm.c (mark_constant_pool): Use INSN_P.
1782 (mark_constants): Likewise.
1783 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
1784 (alphaev4_next_group): Likewise.
1785 (alphaev5_next_group): Likewise.
1786 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
1787 (c4x_rptb_rpts_p): Likewise.
1788 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
1789 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
1790 (rs6000_adjust_priority): Likewise.
1791 * config/sh/sh.c (sh_loop_align): Use INSN_P.
1792 (machine_dependent_reorg): Likewise.
1793 (split_branches): Likewise.
1794 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
1796 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
1798 * combine.c (recog_for_combine): Remove the old notes
1799 prior to attempting to recognize the new pattern.
1800 (distribute_notes): Ignore REG_NONNEG notes.
1802 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
1804 * varasm.c (output_constructor): Add .align 0 for packed vars.
1806 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1808 * configure.in: Use default thread_file even when enable_threads is
1809 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
1810 * configure: Rebuilt.
1812 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
1814 2000-08-04 Donn Terry (donnte@microsoft.com)
1816 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
1818 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
1820 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
1821 Delete code that conditionally modifies 'version'.
1822 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
1823 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
1824 * gcc.c (main): Use it.
1825 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
1826 * prefix.c (update_path): Use it.
1827 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
1828 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
1829 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
1831 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
1832 (SUBTARGET_SWITCHES): Adjust.
1833 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
1835 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
1837 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1839 * c-common.h (flag_isoc94): Declare.
1840 * c-decl.c (flag_isoc94): Define.
1841 (c_decode_option): Set flag_isoc94 as appropriate.
1842 * c-common.c (T_PD, T_IM, T_UIM): Define.
1843 (format_char_info): Add tlen and jlen.
1844 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
1846 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
1848 (time_char_table): Add NULL entries for %t and %j.
1849 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
1850 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
1851 Warn for printf %lf if pedantic and not C99. Don't warn for empty
1852 precision. Allow precision argument to be unsigned int. If
1853 pedantic, warn for %p passed an argument not a pointer to possibly
1854 qualified void or a possibly qualified character type, and for
1855 pointer targets of the wrong sign, except for character pointers.
1857 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1859 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
1860 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
1861 (wint_type_node): Define.
1862 * c-decl.c (WINT_TYPE): Define.
1863 (init_decl_processing): Create the wint_type_node type.
1864 * c-common.c (T_WI): Define.
1865 (print_char_table): Use T_WI for %lc format.
1867 2000-08-04 Bruce Korb <bkorb@gnu.org>
1869 * fixinc/: Verified that the MSDOS patch does not break
1870 the UNIX functionality and applied the next three patches
1873 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
1875 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
1876 output file with the temporary one by appending ".X" to generate
1877 the temporary fuile's name. If the output file already has an
1878 extension, replace it with ".X".
1880 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
1881 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
1882 reallocate the command buffer while copying the command-line
1883 argument. Redirect the output directly to the temporary file,
1884 instead of going through another temporary file.
1885 (process): Close the temporary file before unlinking it.
1886 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
1887 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
1888 (run_compiles): Pass p_fixd argument to machine_matches, as it
1891 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
1892 environment, assume there are no symlinks in the include
1893 directory. When cleaning up the DONE files, look for them
1894 case-insensitively. Don't try to remove symlinks if they aren't
1897 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
1898 all callers changed. Declare pz "const char *", to avoid compiler
1901 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
1902 Change prototype of make_raw_shell_str.
1904 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
1906 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
1907 (initialize) [__MSDOS__]: Use tempnam.
1908 (initialize): Don't use SIGPIPE if it is not defined.
1910 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
1913 2000-07-25 Bruce Korb <bkorb@gnu.org>
1915 * fixinc/fix*.[ch]: substantially reworked to make it possible
1916 to run this program without using fork(2) or pipe(2) (i.e. in
1919 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1921 * cppdefault.h (WINT_TYPE): Define.
1922 * cppinit.c (builtin_array): Define __WINT_TYPE__.
1923 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
1924 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
1926 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
1928 * (mips_legitimate_address_p): Don't allow register+offset
1929 if the offset is large and negative, and we are compiling
1930 for 64 bit registers.
1932 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1934 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
1935 insn_code_number + 1.
1937 2000-08-04 Kazu Hirata <kazu@hxi.com>
1939 * h8300.c (function_prologue): Rearrange code for conciseness.
1940 (function_epilogue): Likewise.
1941 * h8300.h (OK_FOR_U): Fix formatting.
1943 * cse.c: Fix a comment typo. Fix formatting.
1945 2000-08-03 Richard Henderson <rth@cygnus.com>
1947 * config/i386/i386.md (return_indirect_internal): New.
1948 * config/i386/i386.c (ix86_expand_epilogue): Use it.
1950 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
1952 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
1954 (lex_line): Glue @ onto the beginning of identifiers and
1955 string constants, in Objective-C mode.
1956 (output_token, spell_token): Handle CPP_OSTRING.
1957 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
1958 beginning of a NAME or a STRING, in objc mode.
1960 * cpplib.c (get_define_node): Do not permit identifiers that
1961 begin with @ to be #defined.
1962 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
1963 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
1965 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
1966 * c-tree.h (build_objc_string): Delete prototype.
1967 * objc/objc-tree.def: Delete OBJC_STRING_CST.
1968 * c-lex.c (yylex): Use build_string for all three kinds of strings.
1970 * c-parse.in, objc/objc-act.c: Update commentary.
1972 2000-08-03 Mark Mitchell <mark@codesourcery.com>
1974 * extend.texi: Fix typo in last change.
1976 * extend.texi: Add commentary on statement-expressions and their
1977 interactions with C++.
1979 2000-08-03 Nick Clifton <nickc@cygnus.com>
1981 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
1982 * dwarf.h (LANG_JAVA): Change value to 0x000b.
1984 2000-08-03 Anthony Green <green@cygnus.com>
1986 * dwarf2out.c (gen_compile_unit_die): Add java language support.
1987 (add_bound_info): Check for java language.
1988 (is_java): New function.
1989 * dwarfout.c (output_compile_unit_die): Ditto.
1990 * dwarf.h (dwarf_source_language): Add java source language type.
1991 * dwarf2.h (dwarf_source_language): Ditto.
1993 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1995 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
1998 * i386.c (ix86_expand_branch): Mode of comparison in
1999 IF_THEN_ELSE is VOIDmode.
2001 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
2003 * gengenrtl.c, rtl.c: Avoid #elif.
2005 2000-08-03 Michael Poole <poole@troilus.org>
2007 * tm.texi (Register Classes): Clarify order of sub-initializers
2008 in REG_CLASS_CONTENTS.
2010 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2012 From SAITOH Masanobu:
2013 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
2015 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
2017 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
2018 is not supported by tradcpp and isn't actually needed for cygwin.
2020 2000-08-03 Kazu Hirata <kazu@hxi.com>
2022 * h8300.c: Fix a comment typo.
2023 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
2025 * jump.c: Fix formatting.
2027 * toplev.c: Fix formatting.
2029 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
2031 * flow.c (find_auto_inc): Verify that we've got a REG before
2032 peeking at its regno. Fail, don't abort if we can't find
2033 the increment of the desired register.
2035 * pa.md (shadd height reduction patterns/splitters): Remove.
2037 2000-08-02 Jim Wilson <wilson@cygnus.com>
2039 * config/ia64/ia64-protos.h (flag_ssa): Declare.
2040 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
2042 2000-08-02 Mark Mitchell <mark@codesourcery.com>
2044 * dce.c: Remove all uses of assert.
2045 * dwarf2out.c: Likewise.
2046 * dwarfout.c: Likewise.
2049 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2051 * gcc.h (lang_specific_driver): Constify second argument.
2052 * gcc.c (translate_options, process_command, main): Likewise.
2053 Constify variables to match. Cast second argument to
2056 * cppspec.c, gccspec.c: Adjust type of second argument to
2057 lang_specific_driver, and update code as necessary.
2059 2000-08-02 Jakub Jelinek <jakub@redhat.com>
2061 * loop.c (scan_loop): Ensure update_end label does not
2062 go away until reg_scan_update is run.
2064 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2066 * c-common.h: Prototype min_precision and c_build_qualified_type here...
2067 * c-tree.h: ... not here.
2068 * errors.h: Prototype fancy_abort.
2070 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
2071 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
2072 * regrename.c (regrename_optimize): Make control flow explicit.
2073 (replace_reg_in_block): Initialize reg_use to 0.
2075 * i386.c (legitimate_address_p): Rename error label to
2076 report_error to avoid namespace clash.
2078 2000-08-02 Kazu Hirata <kazu@hxi.com>
2080 * fold-const.c: Fix formatting.
2082 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
2084 * i386.c (legitimate_address_p): Accept other bases than
2085 pic_offset_table_rtx for GOTOFF constructs.
2087 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2089 * i386.md (shift to lea splitter): Use const_int_operand.
2091 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2093 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
2094 cppspec.c: Do not use 'legal' or 'illegal' in error messages
2097 * cppmain.c (cb_define, cb_undef): Don't generate any output
2098 if not done_initializing.
2099 * cpplex.c (maybe_paste_with_next): When the token after a ##
2100 is an omitted rest argument, only delete the token before it
2101 if that token is a comma. Do not warn about bogus token
2102 pastes for , ## rest_arg.
2105 * cpp.1: Regenerate.
2107 2000-08-02 Fred Fish <fnf@be.com>
2109 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
2110 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
2113 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
2114 Be directories to search path.
2116 Remove support for __declspec(dllimport) and __declspec(dllexport).
2117 This is leftover cruft from the earlier BeOS gcc port when BeOS
2118 used Microsoft's PE object file format.
2119 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
2120 * config/i386/t-beos (winnt.o): Remove Makefile frag.
2121 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
2122 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
2123 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2124 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
2125 (REDO_SECTION_INFO_P): Remove.
2126 (ASM_EXPORT_DECL): Remove.
2127 (ASM_DECLARE_FUNCTION_NAME): Remove.
2128 (ASM_DECLARE_OBJECT_NAME): Remove.
2129 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2130 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
2131 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
2132 (STRIP_NAME_ENCODING): Remove.
2134 Remove support for obsolete version of BeOS that is no longer
2136 * configure.in (i*86-*-beospe*): Remove.
2137 * config/i386/beos-pe.h: Remove.
2139 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
2140 Mark Mitchell <mark@codesourcery.com>
2142 * Makefile.in (OBJS): Added dce.o.
2143 (ssa.o): Updated target to include ssa.h.
2145 (toplev.o): Likewise.
2146 (dce.o): Created target.
2147 * basic-block.h: Added comments.
2148 (INVALID_BLOCK): Added definition.
2149 (connect_infinite_loops_to_exit): Added declaration.
2150 Moved SSA declarations to ssa.h.
2151 * flow.c: Added inclusion of ssa.h.
2152 (struct depth_first_search_dsS, depth_first_search_ds):
2154 (compute_immediate_postdominators): Added definition.
2155 (connect_infinite_loops_to_exit): Likewise.
2156 (flow_dfs_compute_reverse_init): Likewise.
2157 (flow_dfs_compute_reverse_add_bb): Likewise.
2158 (flow_dfs_compute_reverse_execute): Likewise.
2159 (flow_dfs_compute_reverse_finish): Likewise.
2160 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
2161 (LABEL_P): Added definition.
2164 (BARRIER_P): Likewise.
2165 (JUMP_TABLE_DATA_P): Likewise.
2166 (INSN_DEAD_CODE_P): Likewise.
2167 * ssa.c: Replaced inclusions with ssa.h inclusion.
2168 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
2169 (rename_registers): Removed unnecessary variables.
2170 * ssa.h: Created by moving declarations from ssa.c and
2172 * timevar.def: Defined TV_DEAD_CODE_ELIM.
2173 * toplev.c: Added ssa.h inclusion.
2174 (dump_file_index): Added DFI_dce.
2175 (dump_file): Added "dce" entry.
2177 (f_options): Added dce entry.
2178 * invoke.texi: Document -fdce. Emphasize experimental status of
2182 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
2184 * cpperror.c (v_message): Split into _cpp_begin_message and
2185 v_message macro. All callers updated.
2186 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
2189 * cppfiles.c (cpp_syshdr_flags): New function.
2190 (read_include_file): Don't call cpp_output_tokens. Call
2192 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
2193 (cpp_reader_init): Don't initialize token_buffer. Call
2194 _cpp_init_internal_pragmas.
2195 (cpp_cleanup): Don't clear token_buffer.
2196 (cpp_start_read): Don't worry about output from -D processing.
2197 Don't call cpp_output_tokens.
2198 (cpp_finish): Don't dump macros here. Don't call
2200 * cppmacro.c (_cpp_dump_definition): Rename
2201 cpp_dump_definition. Write directly to a FILE *.
2202 (dump_funlike_macro): Delete.
2203 (dump_macro_args): New.
2205 * cpplex.c (TOKEN_LEN): Convert to inline function.
2206 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
2207 cpp_scan_line, _cpp_dump_list): Delete.
2208 (cpp_printf, cpp_output_list): New.
2209 (output_line_command): Don't worry about entering or leaving files.
2210 (cpp_scan_buffer): Just output each token as we hit it.
2211 (process_directive): Don't call cpp_output_tokens.
2212 (_cpp_glue_header_name): Don't use token_buffer.
2213 (output_token, dump_param_spelling): Write directly to a FILE *.
2215 * cpplib.c (pass_thru_directive, dump_macro_name,
2216 pragma_dispatch, do_pragma_gcc): Delete.
2217 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
2218 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
2220 (do_error, do_warning, pragma_dependency): Call
2221 _cpp_begin_message, then cpp_output_list.
2222 (cpp_register_pragma, cpp_register_pragma_space,
2223 _cpp_init_internal_pragmas): New.
2224 (do_pragma): Walk the pragmas table here.
2225 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
2226 do_pragma_dependency): Return void.
2227 (do_pragma_implementation): Moved to cppmain.c.
2229 * cpplib.h: Update prototypes.
2230 (struct cpp_reader): Remove printer, token_buffer,
2231 token_buffer_size, and limit. Add struct cb, and pragmas.
2232 (struct cpp_printer): Remove last_id and written.
2233 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
2234 CPP_ADJUST_WRITTEN): Delete.
2235 * cpphash.h: Update prototypes.
2236 (ufputs): New wrapper.
2238 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
2239 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
2240 (main): Set up callbacks. Register #pragma implementation.
2241 Dump macros from here.
2243 2000-08-01 Geoff Keating <geoffk@cygnus.com>
2245 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
2246 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
2247 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
2248 insns if they have a REG_MAYBE_DEAD note attached.
2249 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
2250 (rs6000_emit_load_toc_table): TOC loads may go dead.
2252 2000-08-01 Jim Wilson <wilson@cygnus.com>
2254 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
2255 type exists before using it. Use number of words as alignment
2257 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
2258 ia64_va_arg): Propagate ia64_function_args changes here.
2260 2000-08-01 Richard Henderson <rth@cygnus.com>
2262 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
2263 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2265 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
2267 From Joern Rennecke:
2268 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
2269 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
2270 unless TARGET_SH3E is set.
2271 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
2273 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
2274 (ashlsi3_std): New pattern.
2275 (ashlsi3 expander): Use it for TARGET_SH3.
2276 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
2278 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2280 * loop.c (canonicalize_condition): Use destination, not source to
2281 determine SET's mode.
2283 2000-07-31 Mark Mitchell <mark@codesourcery.com>
2285 * flow.c (clear_log_links): Fix typo.
2287 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
2289 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
2290 on targets which need more than one insn for a compare/cbranch
2293 2000-07-31 Jim Wilson <wilson@cygnus.com>
2295 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
2296 when computing offset.
2298 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
2300 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
2302 2000-07-31 Geoff Keating <geoffk@cygnus.com>
2304 * flow.c (clear_log_links): Nuke global_live_at_start and
2305 global_live_at_end data, since if the log_links stuff is invalid
2306 so is global_live_at_*.
2308 2000-07-31 Richard Henderson <rth@cygnus.com>
2310 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
2312 2000-07-31 Jakub Jelinek <jakub@redhat.com>
2314 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
2315 (_cpp_get_token): Don't macro expand a just pasted token if it
2316 was pasted at no_expand_level.
2318 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2320 * cppmacro.c (find_param, count_params, save_expansion):
2321 Permit 'defined' as a macro parameter name.
2323 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2325 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
2326 xcpp to cpp throughout.
2327 (native): Remove unnecessary dependency on cpp.
2329 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
2330 tradcpp to tradcpp0.
2331 (.i spec): Add missing output-file spec to cc1 command line.
2332 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
2334 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2336 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
2337 (implicit_decl_warning): New function.
2338 (implicitly_declare): Use it.
2339 * c-typeck.c (build_external_ref): Use implicit_decl_warning
2340 to complain about implicit decls of builtins.
2342 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
2343 based on pedantic && flag_isoc99, if not already set.
2344 * c-tree.h: Declare mesg_implicit_function_declaration.
2345 Prototype implicit_decl_warning.
2347 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
2349 * Makefile.in (ssa.o): Updated header files in dependences.
2350 * basic-block.h: Added compute_immediate_postdominators declaration.
2351 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
2353 * flow.c (compute_immediate_dominators): Updated comment.
2354 (compute_immediate_postdominators): Added definition.
2355 * rtl.h (HARD_REGISTER_P): Added definition.
2356 * ssa.c: Include additional header files.
2357 (assert): Added definition.
2358 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
2359 include select hard registers.
2360 (ssa_rename_to_insert): Likewise.
2361 (ssa_rename_from_initialize): Likewise.
2362 (ssa_rename_from_lookup): Likewise.
2363 (original_register): Likewise.
2364 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
2365 include select hard reigsters.
2366 (ssa_rename_from_traverse): Likewise.
2367 (ssa_rename_from_free): Likewise.
2368 (ssa_rename_from_print): Likewise.
2369 (ssa_rename_from_print_1): Likewise.
2370 (ssa_rename_from_hash_function): Likewise.
2371 (ssa_rename_from_equal): Likewise.
2372 (ssa_rename_from_delete): Likewise.
2373 (simplify_to_immediate_dominators): Removed in favor of
2374 flow.c:compute_immediate_dominators.
2375 (find_evaluations_1): Modified to work with hard registers.
2376 (insert_phi_node): Likewise.
2377 (insert_phi_nodes): Likewise.
2378 (struct rename_set_data): Updated prev_reg comment.
2379 (create_delayed_rename): Modified to work with hard registers.
2380 (RENAME_NO_RTX): Updated comment.
2381 (apply_delayed_renames): Modified to work with hard registers.
2382 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
2383 (rename_block): Updated to use revised ssa_rename_to interface.
2384 (rename_registers): Updated to use revised ssa_rename_to and
2385 ssa_rename_from interface.
2386 (convert_to_ssa): Revised to use compute_immediate_dominators and
2387 deal with hard registers.
2388 (make_regs_equivalent_over_bad_edges): Modified to work with hard
2389 registers. Added check for illegal unification of hard register.
2390 (make_equivalent_phi_alternatives_equivalent): Modified to work
2391 with hard registers.
2392 (compute_conservative_reg_partition): Likewise.
2393 (coalesce_if_unconflicting): Modified to work with hard registers
2394 and check for conflicting hard registers.
2395 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
2397 (rename_equivalent_regs_in_insn): Modified to work with hard
2399 (record_canonical_element_1): Added definition.
2400 (check_hard_regs_in_partition): Added definition.
2401 (convert_from_ssa): Added data structure deallocation and check
2402 for illegal hard register unification.
2403 (conflict_hard_regs_p): Added definition.
2404 * toplev.c (rest_of_compilation): Added comment.
2406 2000-07-31 Anthony Green <green@redhat.com>
2408 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
2410 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
2412 * builtins.c (expand_builtin_apply): Don't defer pop during
2415 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2417 * calls.c (combine_pending_stack_adjustment_and_call): Only use
2418 preferred_unit_stack_boundary when it is > 1.
2420 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
2422 * c-common.c (init_function_format_info): Add C99 format functions
2425 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
2426 void' or 'register void' as being the special case of 'void' alone
2427 in a parameter list.
2429 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
2430 discarding qualifiers into a plain warning.
2432 2000-07-31 Kazu Hirata <kazu@hxi.com>
2434 * combine.c: Fix formatting.
2436 * h8300.md: Fix formatting.
2438 * local-alloc.c: Fix formatting.
2440 * h8300.c (get_shift_alg): Remove the variable alg.
2441 (emit_a_shift): Rearrange code to improve readability.
2443 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
2445 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
2446 HImode on all architectures and a combination of HImode and SImode
2447 on H8/300H and H8/S.
2449 * h8300.c (split_adds_subs): Rearrange code for conciseness.
2451 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
2453 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
2456 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2458 * recog.c (extract_insn): Set operand_mode according to
2459 operand if match_operand is VOIDmode.
2461 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2463 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
2465 2000-07-31 Geoff Keating <geoffk@cygnus.com>
2467 * c-parse.in (extdefs): Call ggc_collect between external
2470 2000-07-30 Michael Hayes <mhayes@cygnus.com>
2471 Richard Henderson <rth@cygnus.com>
2473 * Makefile.in (OBJS): Add doloop.o.
2474 * doloop.c: New file.
2476 * final.c (insn_current_reference_address): Return 0 before final.
2477 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
2478 * jump.c (any_uncondjump_p): Likewise.
2479 * loop.c (indirect_jump_in_function): Make static.
2480 (strength_reduce): Call doloop_optimize.
2481 (insert_bct, instrument_loop_bct): Remove.
2482 * loop.h (doloop_optimize): Prototype.
2483 * recog.c (split_all_insns): Split all INSN_P.
2484 * toplev.c (flag_branch_on_count_reg): Default on.
2486 * config/c4x/c4x.c (c4x_optimization_options): Don't set
2487 flag_branch_on_count_reg.
2488 * config/i386/i386.c (override_options): Likewise.
2489 * config/rs6000/rs6000.c (optimization_options): Likewise.
2491 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
2493 (dbra_ge): Remove, as well as all it's splitters.
2495 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
2498 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
2499 (ia64_register_move_cost): Declare.
2500 * config/ia64/ia64.c (ar_lc_reg_operand): New.
2501 (struct ia64_frame_info): Add ar_size.
2502 (ia64_compute_frame_size): Set it.
2503 (save_restore_insns): Save and restore ar.lc.
2504 (ia64_register_move_cost): New, moved from header file. Handle
2505 application registers.
2506 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
2507 (emit_insn_group_barriers): Special case doloop_end_internal.
2508 (ia64_epilogue_uses): Mark ar.lc live at end.
2509 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
2510 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
2511 (FIRST_PSEUDO_REGISTER): Make room.
2512 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
2513 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
2514 (REG_ALLOC_ORDER): Update.
2515 (HARD_REGNO_MODE_OK): Update.
2516 (REGISTER_NAMES): Update.
2517 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
2518 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2519 (REGNO_REG_CLASS): Update.
2520 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
2521 (REGISTER_MOVE_COST): Move out of line.
2522 (PREDICATE_CODES): Update.
2523 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
2524 (addsi3_plus1_alt, adddi3_plus1_alt): New.
2525 (shladd_elim splitter): Allow constants in the predicate.
2526 (doloop_end, doloop_end_internal): New.
2528 2000-07-30 Richard Henderson <rth@cygnus.com>
2530 * genattrtab.c (struct insn_def): Add lineno member.
2531 (struct insn_ent): Likewise.
2532 (struct attr_desc): Likewise.
2533 (struct delay_desc): Likewise.
2534 (struct function_unit_op): Likewise.
2535 (struct function_unit): Likewise.
2536 (check_attr_value): Use message_with_line.
2537 (check_defs): Likewise.
2538 (expand_units): Likewise.
2539 (check_attr_test): Take a lineno argument.
2540 (gen_attr): Likewise.
2541 (gen_insn): Likewise.
2542 (gen_delay): Likewise.
2543 (gen_unit): Likewise.
2544 (main): Give it to them.
2545 (convert_set_attr_alternative): Take an insn_def argument
2546 instead of num_alt and insn_index.
2547 (convert_set_attr): Likewise.
2548 (write_test_expr): Protect INSN_ADDRESSES load
2549 with INSN_ADDRESSES_SET_P.
2551 2000-07-30 Richard Henderson <rth@cygnus.com>
2553 * flow.c (init_propagate_block_info): Use pc_set.
2555 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2557 * i386.md (*lea_general_[123]) New insns and splits.
2558 (addsi3 to lea splitter): Handle other modes too.
2559 (shlsi3 to lea splitter): Likewise.
2560 (addhi_1_lea, shlhi_1_lea): New patterns.
2561 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
2563 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2565 * recog.c (general_operand, nonimmediate_operand): Accept
2566 any mode for VOIDmode CONSTANT_P operands.
2568 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2570 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
2571 instead of replace_rtx.
2572 * recog.c (validate_replace_rtx_subexp): New function.
2573 * recog.h (validate_replace_rtx_subexp): Declare.
2575 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2577 * combine.c (simplify_set, make_extraction, make_compound_operation
2578 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
2579 as force_to_mode argument.
2581 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2583 * combine.c (if_then_else_cond): Be sure that mode fits in
2586 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2588 * combine.c (record_promoted_value): Allow bitsize of mode
2589 to be equivalent to HOST_BITS_PER_WISE_INT.
2591 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2593 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
2594 Do not call gen_mode_alignment when mode is BLKmode.
2596 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
2598 * loop.c (express_from_1): Fix call of simplify_gen_binary.
2600 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
2602 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
2603 VOIDmode implies both operands to be VOIDmode.
2604 (simplify_ternary_operation): Compute properly the mode of comparison.
2605 * combine.c (combine_simplify_rtx): Likewise.
2607 2000-07-25 Michael Hayes <mph@paradise.net.nz>
2609 * basic-block.h (struct loops): New field rc_order.
2610 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
2611 (flow_loops_free): Free rc_order.
2612 (flow_depth_first_order_compute): New parameter rc_order.
2613 (flow_loops_find): Allocate rc_order and swap usage with
2616 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2617 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2619 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
2620 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
2621 (nodb_call, return_from_epilogue): Likewise.
2622 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
2623 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
2624 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
2625 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2626 (c4x_valid_type_attribute_p): Likewise.
2627 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
2628 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
2630 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2632 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
2633 and loadhi_big_constant if applicable.
2634 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
2635 and add new splitter.s
2637 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2639 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
2641 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2643 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
2645 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2647 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
2649 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2651 * config/c4x/libgcc.S (divqf3): Improve accuracy.
2653 2000-07-27 Mark Mitchell <mark@codesourcery.com>
2655 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
2656 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
2657 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
2658 (get_prev_bb_note): Likewise.
2659 (remove_scope_notes): Likewise.
2660 * flow.c (commit_one_edge_insertion): Likewise.
2661 (merge_blocks_nomove): Likewise.
2662 (verify_flow_info): Likewise.
2663 * gcse.c (insert_insn_end_bb): Likewise.
2664 * reg-stack.c (emit_swap_insn): Likewise.
2665 * ssa.c (first_insn_after_basic_block_note): New function.
2666 (insert_phi_node): Use it.
2667 (rename_block): Likewise.
2668 (eliminate_phi): Likewise.
2669 (make_regs_equivalent_over_bad_edges): Likewise.
2670 (make_equivalent_phi_alternatives_equivalent): Likewise.
2671 (for_each_successor_phi): Likewise.
2672 (convert_from_ssa): Modify phi-node deletion algorithm.
2674 2000-07-29 Andreas Jaeger <aj@suse.de>
2676 * configure.in (mips*-*-linux*): Use mips*el to check for little
2677 endian MIPS, add tmake_file.
2679 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
2680 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
2681 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
2683 2000-07-28 Richard Henderson <rth@cygnus.com>
2685 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
2686 Sign extend mode size before negating.
2688 2000-07-28 Richard Henderson <rth@cygnus.com>
2690 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
2692 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
2694 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
2695 (cse_insn): Likewise.
2696 (addr_affects_sp_p): Likewise.
2697 * expr.c (move_by_pieces): Likewise.
2698 (clear_by_pieces): Likewise.
2699 * gcse.c (oprs_unchanged_p): Likewise.
2700 * haifa-sched.c (sched_analyze_2): Likewise.
2701 * recog.c (offsettable_address_p): Likewise.
2702 * regclass.c (record_address_regs): Likewise.
2703 * reload.c (find_reusable_reload): Likewise.
2704 (push_reload): Likewise.
2705 (operands_match_p): Likewise.
2706 (decompose): Likewise.
2707 (find_reloads_address_1): Likewise.
2708 (find_inc_amount): Likewise.
2709 * reload1.c (elimination_effects): Likewise.
2710 * resource.c (mark_set_resources): Likewise.
2711 * flow.c (attempt_auto_inc): New function; mostly broken out
2713 (find_auto_inc): Split into two functions and enhanced to
2714 generate POST_MODIFY.
2715 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
2716 * rtl.h (count_all_occurrences): Declare.
2717 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
2719 * rtlanal.c (count_all_occurrences): New function.
2720 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
2721 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
2723 * config/ia64/ia64-protos.h (destination_operand): Declare.
2724 * config/ia64/ia64.c (destination_operand): New function.
2725 (ia64_print_operand): Handle POST_MODIFY.
2726 (rtx_needs_barrier): Likewise.
2727 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
2728 (HAVE_POST_MODIFY_REG): Define to 1.
2729 (MAX_REGS_PER_ADDRESS): Change to 2.
2730 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
2731 (LEGITIMATE_ADDRESS_REG): New helper macro.
2732 (LEGITIMATE_ADDRESS_DISP): Likewise.
2733 (PREDICATE_CODES): Add entry for destination_operand.
2734 * config/ia64/ia64.md (all mov patterns): Use destination_operand
2735 predicate for operand 0.
2737 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2739 * dwarf2out.c: Indent #error directive.
2741 * gbl-ctors.h: Fix typo in comment.
2742 (__do_global_ctors): Prototype.
2744 * gcse.c (record_one_set, pre_delete): Remove unused variables.
2746 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
2747 (print_operand): Initialize variable `t'.
2749 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
2751 * config/arm/arm.md ("call_value"): removed constraints.
2752 Constraints are ignored in expanders.
2753 (*call_value_reg): split =rf into various constraints.
2754 (*call_value_mem): same
2755 (*call_value_symbol): same
2756 (*sibcall_value_insn): same
2758 2000-07-28 Philipp Thomas <pthomas@suse.de>
2760 * install.texi (--enable-nls): Change the description of the NLS
2761 related configure options to match the current state.
2762 (--with-included-gettext): Likewise.
2763 (--enable-maintainer-mode): New description added.
2764 * extend.texi (-fstrict-prototype): Add missing '.'.
2766 2000-07-27 Jim Wilson <wilson@cygnus.com>
2768 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
2769 DECL_INITIAL (decl) == NULL_TREE.
2771 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
2773 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
2774 on insn-attr.h with it.
2775 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
2776 * insn-addr.h: New header.
2777 (insn_addresses_): Renamed from insn_addresses.
2778 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
2779 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
2780 INSN_ADDRESSES_NEW): New macros.
2781 * genattrtab.c (write_test_expr): Use new macros.
2782 * final.c (insn_addresses, init_insn_lengths): Likewise.
2783 (align_fuzz, shorten_branches): Likewise.
2784 (final): Likewise. Do not reject new insns if their addresses
2785 have been added to INSN_ADDRESSES.
2786 * config/arm/arm.c, config/avr/avr.c: Use new macros.
2787 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
2788 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
2789 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
2790 * config/sh/sh.c: Likewise.
2791 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
2793 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
2795 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
2797 * gcc.c (struct prefix_list): Add member priority.
2798 (enum path_prefix_priority): Declare.
2799 (add_prefix): Replace ``first'' with ``priority''. Append new
2800 entry but keep list in priority order.
2801 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
2802 PREFIX_PRIORITY_LAST to add_prefix.
2803 (process_command): Move include kludge - foo/stageN - to before
2806 2000-07-27 Jason Merrill <jason@redhat.com>
2808 * dwarf2out.c (gen_typedef_die): Abort if we get identical
2809 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
2811 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
2813 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
2814 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
2816 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
2818 * c-decl.c (finish_function): Don't treat 'main' specially unless
2819 flag_hosted. In C99 mode, return 0 from 'main' unless
2820 DEFAULT_MAIN_RETURN is otherwise defined.
2822 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
2823 parameters defaulting to int in an old-style function definition.
2825 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2827 * c-parse.in (string): For -Wtraditional, warn about string
2828 concatenation only once per line.
2830 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
2832 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
2833 for HI-UX/WE2 systems.
2835 2000-07-24 Bruce Korb <bkorb@gnu.org>
2837 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
2838 defining the __xxx_TYPE__ macros.
2839 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
2840 * fixincl/fixlib.h: don't need to include "tm.h" anymore
2841 * fixincl/inclhack.def(type_map): now obsolete
2843 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
2845 * cpp.texi: Append a trailing full-stop to xrefs where needed.
2847 2000-07-26 Dave Pitts <dpitts@cozx.com>
2849 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
2851 (mvs_hash_alias): New function.
2852 (mvs_add_alias): Change argument spacing.
2853 (mvs_need_alias): Change aliasing criteria. Added documentation.
2854 (mvs_get_alias): Change to use hashed name. The hashed name prevents
2855 CSECT name collisions.
2856 (mvs_check_alias): Likewise.
2857 (handle_pragma): Change documentation.
2858 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
2859 mode from SImode to DImode.
2860 (iorhi3): Changed LTORG size for insn.
2862 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2864 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2865 mem if the address is a mode_dependent_address_p.
2867 2000-07-26 Kazu Hirata <kazu@hxi.com>
2869 * h8300.c (print_operand): Print ":8" when the 'R' operand is
2870 suitable for 8-bit absolute.
2871 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
2872 (OK_FOR_U): Add a case for the 8-bit constant address on the
2875 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
2877 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
2878 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
2879 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
2880 lack of implemented alignment.
2882 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
2884 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
2885 cross-compiling between 64-bit and 32-bit machines.
2887 2000-07-27 Richard Henderson <rth@cygnus.com>
2889 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
2890 (movhicc_astep, movhi_internal_astep): New.
2891 (movsicc_astep, movsi_internal_astep): New.
2892 (movdicc_astep, movdi_internal_astep): New.
2893 (movsfcc_astep, movsf_internal_astep): New.
2894 (movdfcc_astep, movdf_internal_astep): New.
2895 (movxfcc_astep, movxf_internal_astep): New.
2896 (cmovdi_internal_astep, cmovsi_internal_astep): New.
2897 Unify the cmov[ds]i splitters.
2899 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
2901 * real.c (asctoeg): Rename `error' label to unexpected_char_error
2903 2000-07-26 Nick Clifton <nickc@cygnus.com>
2905 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
2906 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
2908 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
2909 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
2911 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
2913 * c-decl.c (finish_enum): Convert enumerations that fit in an
2915 (build_enumerator): In pedantic mode, cast to `int' those that
2918 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
2920 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
2922 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2924 * sh.md (cmpgtdi_t): Must be split.
2925 (cmpgtdi_t+1): New splitter.
2927 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2929 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
2930 warnings for indented directives even if we are skipping.
2932 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
2934 * invoke.texi (strict-prototypes): Remove.
2935 * extend.texi (Deprecated Features): Add strict-prototypes.
2936 (Backwards Compatibility): New node.
2938 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2940 * config/i386/i386.md (andsi_1+1): Allow HImode.
2941 (andsi_1+2): Require q_regs_operand.
2943 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2945 * config/i386/i386.md (call_pop): Check operands[0],
2946 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2948 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2949 (call_value): Likewise.
2951 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2953 * toplev.c (pipe_closed): Delete.
2954 (crash_signal): New. Generate ICE for a fatal signal.
2955 (float_signal): Call crash_signal outside a float-handler
2957 (main): Install crash_signal as handler for core-dumping signals.
2959 2000-07-25 David Edelsohn <edelsohn@gnu.org>
2961 * rs6000.c (print_operand, case 'T'): New case.
2963 * rs6000.md (call_indirect_aix32): Convert to expander of
2964 scheduled instructions.
2965 (call_indirect_aix64): Likewise.
2966 (call_value_indirect_aix{32,64}): Likewise.
2967 (call, call_value): Invoke expanders for AIX. Fall through to
2969 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
2970 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
2971 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
2972 only "g" constraint.
2973 (call_nonlocal_aix64): Likewise.
2974 (call_value_nonlocal_aix{32,64}): Likewise.
2975 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
2977 (call_value_nonlocal_sysv): New pattern.
2978 (indirect_jump{si,di}): Use new 'T' modifier.
2979 (tablejump{si,di} matchers): Likewise.
2980 (return_internal_{si,di}): Likewise.
2981 (return_eh_{si,di}): Likewise.
2983 2000-07-24 Richard Henderson <rth@cygnus.com>
2985 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
2986 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
2987 * config/ia64/ia64.md (movdi_internal): Use it.
2989 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
2991 * cppexp.c: Warn about unary + if -Wtraditional.
2992 * cpplex.c (lex_line): Always set BOL on the first token of a line.
2994 2000-07-24 Michael Meissner <meissner@redhat.com>
2996 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
2999 2000-07-24 Nick Clifton <nickc@cygnus.com>
3001 * config/arm/arm.c (emit_multi_reg_push): Generate a
3002 REG_FRAME_RELEATED_NOTE that is compatable with the code in
3003 dwarf2out_debug_frame_expr.
3005 2000-07-24 Jason Merrill <jason@redhat.com>
3007 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
3008 UNALIGNED_INT_ASM_OP.
3009 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
3010 a location expression.
3011 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
3012 assume indirect access if we're saving the CFA address exactly.
3014 * Makefile.in (bootstrap): Move -BstageN/ to the end.
3016 2000-07-24 Jakub Jelinek <jakub@redhat.com>
3018 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
3021 2000-07-24 Michael Meissner <meissner@redhat.com>
3023 * invoke.texi (D30V Options): Add d30v options.
3025 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
3027 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
3028 needed by our gcse pass anymore.
3029 (free_pre_mem): Corresponding changes.
3030 (compute_pre_data): Do not call compute_transpout anymore.
3032 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
3033 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
3036 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
3037 (compute_pre_data): Do it here instead.
3039 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
3041 (pre_delete): Corresponding changes.
3043 2000-07-23 Mark Mitchell <mark@codesourcery.com>
3045 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
3046 to figure out whether or not a variable has already been emitted.
3048 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
3050 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
3051 instead of gen_call.
3053 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
3055 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
3057 2000-07-23 Kazu Hirata <kazu@hxi.com>
3059 * h8300.c: Fix formatting.
3061 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
3063 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
3064 for `long' switch expression into a plain warning.
3066 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
3067 (yylex): Don't pedwarn for "inline" in C99 mode.
3069 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
3071 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
3072 ggc_alloc): Likewise.
3073 * bb-reorder.c (dump_scope_forest_1): Likewise.
3075 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
3077 * reload.c (find_reloads_toplev): Add new parameter
3079 (find_reloads): Add new parameter to find_reloads_toplev calls.
3081 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
3083 * collect2.c (main): Typo fixed.
3084 * diagnostic.c: Typo fixed.
3085 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
3086 * eh-common.h: Typo fixed.
3087 * emit-rtl.c (start_sequence): Typo fixed.
3088 * flow.c (find_label_refs): Typo fixed.
3089 (calculate_global_regs_live): Typo fixed.
3090 (mark_regno_cond_dead): Typo fixed.
3091 (create_edge_list): Typos fixed.
3092 (verify_edge_list): Typo fixed.
3093 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
3094 * loop.c (strength_reduce): Typo in function name fixed.
3095 * rtl.h: Added comments. Typo in function name fixed.
3096 * rtlanal.c: Typo in function name fixed.
3097 (insn_dependant_p): Rename to ...
3098 (insn_dependent_p): ... this.
3099 (computed_jumo_p): Typo fixed.
3101 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3103 * system.h (__FUNCTION__): Wrap definition in #ifndef.
3105 2000-07-21 David Edelsohn <edelsohn@gnu.org>
3107 * rs6000.h (SIZE_TYPE): Define.
3109 2000-07-21 Mark Mitchell <mark@codesourcery.com>
3111 * ssa.c (rename_insn_1): Don't rename registers that are
3114 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
3116 * diagnostic.c (trim_filename, fancy_abort): Moved here from
3118 (fatal_function, set_fatal_function): Removed.
3119 (fatal): Don't prepare for or call the fatal_function.
3120 (diagnostic_lock, error_recursion): New.
3121 (diagnostic_for_decl, report_diagnostic): Guard against
3122 re-entering the error reporting routines.
3123 (fancy_abort): Assume function is not NULL.
3125 * errors.c (fancy_abort): New. Assume function is not NULL.
3126 * tradcpp.c (fancy_abort): Assume function is not NULL.
3128 * system.h: Provide default definition of __FUNCTION__.
3129 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
3130 Always use __FUNCTION__ in definition of abort.
3132 * varray.h: Likewise.
3133 * toplev.h: Likewise. Don't prototype set_fatal_function.
3135 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3137 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
3139 * glimits.h: Don't do #if defined for ARCH_PPC.
3141 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
3142 constants of size no larger than a pointer should go in the TOC.
3143 Add 'MODE' parameter.
3144 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
3145 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
3146 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
3147 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
3148 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
3149 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
3150 (rs6000_legitimize_address): Likewise.
3151 (rs6000_emit_move): Likewise.
3152 (rs6000_select_rtx_section): Likewise.
3153 (output_toc): Deal properly with outputting small constants like
3154 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
3155 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
3156 MODE parameter. Put small constants in the TOC.
3158 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
3160 (rs6000_emit_move): When reload calls us with an illegitimate
3161 address, exit early. Move the change_address calls to one place
3162 at the end of the routine. Merge the SImode and DImode expanders.
3163 When called by reload to put an integer into a FP register, force
3166 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
3168 (rs6000_hash_constant): Hash mode too.
3169 (toc_hash_function): Allow for key_mode.
3170 (toc_hash_eq): Structures are different if key_mode differs.
3171 (output_toc): Add 'mode' parameter. Save key_mode.
3172 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
3173 Pass 'mode' parameter.
3174 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
3176 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
3177 for vtable references.
3179 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
3180 choice, don't put integer values in FP regs.
3182 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
3184 * flow.c (verify_flow_info): Revamp code to verify that the
3185 head and end of each basic block are in the insn chain.
3187 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
3189 * gcse.c (record_one_set): Prepend instead of append onto
3190 reg_set_table, making it O(n) instead O(n^2).
3191 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
3192 Use a queue instead of a stack as worklist.
3194 2000-07-20 Kazu Hirata <kazu@hxi.com>
3196 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
3197 * h8300.h (OK_FOR_T): New.
3198 (EXTRA_CONSTRAINT): Support OK_FOR_T.
3199 * h8300.md: Use inc/dec.[wl] for increment/decrement
3200 by 1 and 2 in HI and SI modes.
3202 2000-07-20 Jim Wilson <wilson@cygnus.com>
3204 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
3205 larger than 14 bits.
3207 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
3209 * cppmacro.c (CAN_PASTE_AFTER): New macro.
3210 (count_params): Don't set GNU_REST_ARGS on anything.
3211 (save_expansion): Set PASTE_LEFT only on tokens for which
3212 CAN_PASTE_AFTER is true, or which are named operators.
3214 * cpplex.c (parse_args): Distinguish between a rest argument
3215 given one empty argument, and a rest argument given zero arguments.
3216 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
3217 deletion of previous token based on that.
3218 (get_raw_token): Flatten some control structure.
3220 * cpplib.h (CPP_LAST_EQ): Correct.
3221 (VOID_REST): New token flag.
3222 (GNU_REST_ARGS): Delete.
3224 * tradcpp.c (main): Don't munge -D options.
3225 (make_definition): Bring -D handling in line with cpplib.
3226 (do_define): Strip all leading whitespace from macro definitions.
3228 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
3230 * Makefile.in (tradcpp): Depend on intl.o and version.o.
3232 2000-07-20 Bruce Korb <bkorb@gnu.org>
3234 * fixincl/check.tpl: strip the platform specific types before testing
3235 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
3236 * fixincl/fixincl.tpl: use platform specific types
3237 * fixincl/fixlib.h: include the platform specific types
3238 * fixincl/inclhack.def(gnu_types): don't supply the types
3239 * fixincl/fixincl.x: regen
3241 2000-07-19 Jim Wilson <wilson@cygnus.com>
3243 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
3246 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3248 * tradcpp.c (rescan): Do not recognize directives when the #
3251 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3253 Implement C++ named operators.
3255 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
3256 of operators allowed in #if and having an _EQ variant. Add
3257 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
3258 (cpp_token flags): Add NAMED_OP.
3259 (enum node_type): Add T_OPERATOR.
3260 (struct cpp_hashnode): Add code slot to value union.
3261 * cpphash.h (spec_nodes): Remove n_defined.
3263 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
3264 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
3265 (is_macro_disabled): Tweak error messages.
3267 * cpplib.c (get_define_node): Disallow all named operators as
3268 macro names. Tweak error messages.
3269 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
3271 * cppinit.c (builtin_array): Add entries for the named operators.
3272 * cppexp.c (lex): Check for CPP_DEFINED token.
3273 (priority table): Add entries for CPP_MIN and CPP_MAX.
3274 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
3276 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
3278 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
3279 larger than the array of cuids.
3280 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
3283 2000-07-19 Bruce Korb <bkorb@gnu.org>
3285 * fixinc/fixincl.c: Convert to using a table of environment variables
3286 and activate the auto-edit marker on the fixed output files.
3287 * fixinc/fixlib.h: Define the environment table
3288 * fixinc/fixincl.sh: export the ${INPUT} dir
3289 * fixinc/check.tpl: likewise
3291 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
3293 * gcc.c (.h spec): Fix typo.
3295 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
3297 * Makefile.in: Fix tradcif.c path.
3299 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
3301 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
3304 * cpphash.h (TOKEN_NAME): New macro.
3305 (_cpp_spell_operator): Deleted.
3306 (token_spellings): Now _cpp_token_spellings.
3308 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
3309 * cpplex.c: Use OP and TK macros when expanding the
3310 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
3311 store the stringification of the enumeration name (CPP_CHAR,
3312 etc.) in the name slot of token_spellings.
3313 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
3314 token_spellings directly.
3315 * cpplib.c: Use TOKEN_SPELL.
3317 * cpplex.c (_cpp_push_token): If the token being pushed back
3318 is the previous token in this context, just subtract one from
3320 * cppmacro.c (save_expansion): Clear aux field when storing a
3323 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3325 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
3326 buffer, provided it is not NULL.
3328 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
3330 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
3331 case of invalid volatile re-declaration.
3333 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3335 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
3336 (expand_call): Adjust caller.
3338 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
3340 * diagnostic.h (report_diagnostic): Change prototype.
3342 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
3343 diagnostic_for_decl): Change prototype.
3344 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
3345 error, warning, error_with_file_and_line,
3346 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
3347 Adjust call to report_diagnostic, diagnostic_for_decl.
3348 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
3349 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
3351 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
3352 varaible argument list.
3354 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3356 * cpphash.c: Don't include hashtab.h. Most macro-handling code
3357 moved to cppmacro.c.
3358 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
3359 dump_hash_helper): Delete.
3360 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
3361 cpp_forall_identifiers): New. Implement specialized version of
3362 Vlad's expandable hash table.
3363 (cpp_lookup): Use new functions.
3364 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
3366 * cppmacro.c: New file.
3367 * cppinit.c (dump_macros_helper): New.
3368 (cpp_finish): Iterate over the identifier table directly.
3369 * cpplex.c (parse_name): Calculate the hash of the identifier
3370 while we scan it. Use _cpp_lookup_with_hash when we can.
3372 * cpphash.h: Update prototypes.
3373 (xcnewvec, HASHSTEP): New helper macros.
3374 * cpplib.h: Update prototypes.
3375 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
3376 (cppmacro.o): New rule.
3377 (cpphash.o): Update deps.
3379 * cppmain.c: Do not set pfile->printer if no_output is on.
3381 2000-07-15 Neil Booth <neilb@earthling.net>
3383 * cpplib.c: Change all directive-handler functions to return
3385 * cpphash.h: Update typedefs.
3387 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
3389 * configure: Regenerate.
3391 * extend.texi (Extended Asm): Mention that a memory clobber
3392 does not count as a side-effect.
3394 * unroll.c (copy_loop_body): Fix one instance of using host
3395 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
3398 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
3400 2000-07-17 Richard Henderson <rth@cygnus.com>
3402 * config/ia64/ia64.md (movdi): Split out load address code.
3403 New post-reload splitter for symbolic operands.
3404 (movdi_internal): Abort if we didn't split symbolic operands
3405 when we should have.
3406 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
3407 (ia64_reorg): Split insns when not optimizing.
3408 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
3410 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3412 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
3413 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
3415 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
3417 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
3419 2000-07-17 Jason Merrill <jason@redhat.com>
3421 * Makefile.in (clean): Remove libgcc directory.
3423 * configure.in (-Wno-long-long check): Use higher-level macros.
3425 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3427 * simplify-rtx.c (simplify_binary_operation): Recognize
3428 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
3429 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
3430 a CONST_INT, it will always be zero.
3432 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
3434 * loop.c (check_dbra_loop) : Return if more than one condition is
3435 present to control the loop.
3437 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3439 * mips.c (mips_expand_prologue): Don't calculate the last argument
3440 register unless we need it. When we are calculating this, make
3441 sure FUNCTION_ARG is giving us a REG.
3443 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3445 * flow.c (libcall_dead_p): Use single_set to verify the insn
3446 has only one set and get for analysis.
3447 (propagate_one_insn): Don't pass the PATTERN of the insn.
3449 2000-07-17 Mark Klein <mklein@dis.com>
3451 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
3453 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3455 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
3456 * configure.in (TARGET_GETGROUPS_T): Evaluate.
3457 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
3458 of second argument of getgroups.
3459 * configure, config.in: Rebuilt.
3461 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
3463 * simplify-rtx.c (simplify_relational_operation): Two signed
3464 values with equal high words are less/greater than each other if
3465 their low words are less/greater when considered as unsigned.
3467 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
3469 * configure.in (vax-*-openbsd): Change to new style configuration,
3470 add collect2/float_format information.
3471 * configure: Rebuilt.
3472 * config/vax/openbsd1.h: New.
3473 * config/vax/openbsd.h: New.
3474 * config/vax/t-openbsd: New.
3476 2000-07-17 Chip Salzenberg <chip@valinux.com>
3478 * c-common.c (shorten_compare): Quiet warnings about unsigned
3479 comparisons with zero when they occur in a system header.
3481 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3483 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
3484 update to describe current practice.
3486 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
3488 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
3489 references to C9X. Change references to -fstd and -flang-isoc9x
3492 * c-common.c (scan_char_table): Allow "z" length modifiers on
3494 (check_format_info): Use TYPE_DOMAIN on the type matched against
3495 for "z" formats, to retrieve the language size_t rather than the
3498 * c-common.c (check_format_info): Do not make a pedantic objection
3499 to the 'L' length modifier if used with a floating point type
3502 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
3503 constants in C99 mode.
3505 2000-07-17 Kazu Hirata <kazu@hxi.com>
3507 * h8300.md: Fix the format of mac.
3508 (movsi_h8300hs): Output a tab after stmac instead of a space.
3510 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
3511 profitable adds/subs sequences.
3513 * fold-const.c: Fix comment typos.
3515 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
3517 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
3519 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3521 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
3523 2000-07-16 Neil Booth <NeilB@earthling.net>
3525 * cpplex.c: Update comments.
3526 * README.Portability: Small update.
3528 2000-07-16 Neil Booth <NeilB@earthling.net>
3530 * README.Portability: Small update.
3532 2000-07-15 Richard Henderson <rth@cygnus.com>
3534 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
3535 * config/ia64/ia64.c (ia64_move_ok): New function.
3536 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
3537 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
3539 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
3541 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
3542 immediately following a paste operator.
3543 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
3544 (cpp_reader_init): Call it, if HOST_EBCDIC.
3545 (cpp_handle_options): Do not sort option list here.
3546 (handle_option): Rename to cpp_handle_option and export.
3547 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
3548 _cpp_get_token directly.
3549 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
3550 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
3551 * cpplib.h: Prototype cpp_handle_option. Update prototype of
3554 2000-07-15 Richard Henderson <rth@cygnus.com>
3556 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
3557 cast around an expression. Tidy other unsigned tests.
3559 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
3561 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
3562 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
3563 (v_message_with_decl): Rename to ...
3564 (format_with_decl): ... this. Tweak
3565 (diagnostic_for_decl): New function.
3566 (fatal_io_error): Use verbatim in lieu of notice.
3567 (announce_function): Use verbatim.
3568 (default_print_error_function): Likewise.
3569 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
3572 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3574 * mips.c (function_arg_pass_by_reference): Don't do automatic
3575 aggregate initialization.
3576 (machine_dependent_reorg): Initialize variable `mode'.
3578 * mips.md (absdi2): Change variable `regno1' to unsigned int.
3579 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
3580 conflicts with sys/param.h macro of the same name.
3581 (reload_outdi): Likewise.
3583 2000-07-15 Michael Meissner <meissner@redhat.com>
3585 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
3586 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
3587 create a new node instead.
3589 2000-07-15 Neil Booth <NeilB@earthling.net>
3591 * README.Portability: Correct example about calling a function
3592 through a pointer to function. Format wide paragraphs.
3594 2000-07-15 Michael Meissner <meissner@redhat.com>
3596 * README.Portability: Update integer suffixes and function
3599 2000-07-15 Neil Booth <NeilB@earthling.net>
3601 * README.Portability: Small update.
3603 2000-07-15 Neil Booth <NeilB@earthling.net>
3605 * README.Portability: New file.
3607 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
3609 * INSTALL: Give special instructions for building GCC on Irix 6.
3610 * config/mips/x-iris6 (CC): Don't set it.
3613 2000-07-14 Jason Merrill <jason@redhat.com>
3615 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
3616 register in the stack and later in another register, use the new
3619 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3621 * config/mips/mips.md: (absdi2): Handle sign_extend for
3624 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
3626 * cpplib.c (do_pragma_dependency): Tidy warning messages.
3628 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
3630 * .cvsignore: Correct typo.
3632 2000-07-13 Mark Mitchell <mark@codesourcery.com>
3634 * .cvsignore: Add generated YACC files.
3635 * objc/.cvsignore: New file.
3637 2000-07-14 Neil Booth <NeilB@earthling.net>
3639 * cpplex.c (adjust_column): New funcion.
3640 (skip_whitespace): Use it.
3641 (skip_block_comment): Use it, and warn about /*/* with
3644 2000-07-14 Neil Booth <NeilB@earthling.net>
3646 * cpphash.c (struct macro_info): Add new members.
3647 (_cpp_free_definition): Delete the macro directly.
3648 (count_params): Return void, with first token of
3649 expansion in struct macro_info on success.
3650 (parse_define): Return int. Hoist syntax checking from
3651 save_macro_expansion. Leave call to save_expansion to
3652 _cpp_create_definition.
3653 (alloc_macro): Needs just 2 arguments.
3654 (free_macro): Delete.
3655 (save_expansion): Don't perform syntax check.
3656 (_cpp_create_definition): Call save_expansion.
3658 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3660 * genrecog.c (write_header): Split long string.
3662 * cpphash.c (macro_info): Don't use the `signed' keyword.
3664 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
3666 2000-07-13 Jakub Jelinek <jakub@redhat.com>
3668 * calls.c (stored_args_map): New variable.
3669 (check_sibcall_argument_overlap_1): New.
3670 (check_sibcall_argument_overlap): New.
3671 (expand_call): Initialize stored_args_map.
3672 Call check_sibcall_argument_overlap.
3674 2000-07-13 Bruce Korb <bkorb@gnu.org>
3676 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
3677 (emit_gnu_type): utility procedure for gnu_type_fix
3678 (gnu_type_fix): implement various pre-processor guards around
3679 standard types so these types can be defined over and over
3680 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
3681 types alluded to above will have GNU-compliant base types
3682 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
3683 * fixinc/inclhack.def: add test_text entries and utilize the new
3684 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
3685 * fixinc/fixincl.x: regenerate
3687 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3689 * diagnostic.c (vline_wrapper_message_with_location,
3690 v_message_with_file_and_line, v_error_with_file_and_file,
3691 v_error_for_asm, v_warning_for_asm, vfatal,
3692 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
3693 vsorry, verror, vwarning, vpedwarn): Remove.
3694 (diagnostic_for_asm): New function.
3695 (pedwarn, error, warning, pedwarn_with_file_and_line,
3696 error_with_file_and_line, warning_with_file_and_line, sorry,
3697 error_for_asm, warning_for_asm, fatal): Reimplement.
3698 (finish_diagnostic): Clear diagnostic info as well.
3700 2000-07-13 Neil Booth <NeilB@earthling.net>
3702 * c-common.h (flag_digraphs): New.
3703 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
3704 * c-lex.c (yylex): Use flag_digraphs to decide whether to
3707 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
3709 * gcc.c (do_spec_1): Add new %B operator.
3710 (set_input): Prepare for %B.
3712 (link_command_spec): Move up with the other tm.h-
3713 overrideable specs. Factor out the portion conditional on
3714 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
3715 (struct compiler): Just have a single spec string. All users
3717 (default_compilers): Remove unnecessary braces.
3718 (static_specs): Update.
3720 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
3722 (C and assembly specs): Use the new named specs, as appropriate.
3724 * objc/lang-specs.h: Use the new named specs.
3725 Remove unnecessary braces.
3727 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3729 * gcc.c (execute): If a subprocess gets a fatal signal, report
3730 strsignal() of the signal number, and ask for a bug report.
3731 Do not do this for SIGPIPE if there's already been an error.
3733 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
3736 * tradcif.c: Remove.
3738 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3740 * final.c (profile_function): Do not emit profile counters in
3741 the data section, if NO_PROFILE_COUNTERS is defined.
3742 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
3745 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
3746 (FUNCTION_PROFILER): Just emit a call to mcount.
3748 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3750 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
3752 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
3753 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
3754 traditional, lang_chill, or lang_fortran.
3756 * cppfiles.c: #undef strcmp to suppress warning about macros
3757 used without arguments.
3758 (_cpp_execute_include): Use f, not fname, in "No include path"
3760 (_cpp_pop_file_buffer): New function.
3761 * cpplib.c: Don't include <sys/mman.h>.
3762 (cpp_push_buffer): Set line_base and lineno in new buffer.
3763 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
3765 * cpplex.c: Move all prototypes and structure declarations to the
3766 top of the file. Properly parenthesise some macro arguments.
3767 (cpp_scan_line): New function.
3768 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
3769 don't need to walk up the stack counting.
3771 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3773 * c-common.c (combine_strings): Emit a pedantic warning when a
3774 string length is greater than the minimum ANSI C is required
3777 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
3779 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
3780 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
3782 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3784 * c-decl.c (define_label): Warn about identifier conflicts with
3785 labels in traditional C.
3787 * c-parse.in (unop +): Warn about the unary plus operator for
3790 * c-typeck.c (store_init_value): Warn about automatic aggregate
3791 initialization for traditional C.
3793 * invoke.texi (-Wtraditional): Document new warnings.
3795 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3797 * Makefile.in (c-errors.o): Fix thinko in dependency.
3799 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3801 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
3802 -traditional, -ftraditional, or -traditional-cpp was given.
3803 Do not pass -traditional to the preprocessor.
3804 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
3805 preprocessor does it automatically.
3806 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
3808 * ch/lang-specs.h: Always use tradcpp. Do not pass
3809 -traditional, -trigraphs, or -pedantic to the preprocessor.
3810 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
3813 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3815 * cppexp.c (LOGICAL): Delete macro.
3816 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
3819 * cpphash.c (HASHSIZE): Increase to 4096.
3820 (struct hashdummy): Add hash field.
3821 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
3822 the string values using memcmp.
3823 (cpp_lookup): Set dummy.hash.
3825 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
3827 * configure.in (m88k-openbsd): Express configuration using new fragment
3829 * configure: Rebuilt.
3830 * m88k/aout-dbx.h: New.
3831 * m88k/openbsd.h: New.
3832 * m88k/xm-openbsd.h: New.
3834 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
3838 2000-07-12 Richard Henderson <rth@cygnus.com>
3840 * reload.c (push_secondary_reload): Make sure to add the new
3841 reload at the end, after acquiring secondary memory.
3843 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3845 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
3847 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
3848 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
3850 * c-parse.in (stmt): Delete unused variables.
3852 * convert.c (convert_to_vector): Likewise.
3854 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
3856 * tree.c (finish_vector_type): Prototype.
3858 2000-07-12 Bruce Korb <bkorb@gnu.org>
3860 * fixinc/fixfixes.c: use xmalloc
3861 * fixinc/fixincl.c(initialize): set program name for xmalloc
3862 * fixinc/fixlib.c(must_malloc): obsolete
3863 (is_cxx_header): no longer used - disabled
3864 (skip_quote): inserted and disabled for future use
3865 * fixinc/fixlib.h: reflects above
3866 * fixinc/fixtests.c: removed dinkleberries
3868 2000-07-12 Neil Booth <NeilB@earthling.net>
3870 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
3871 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
3873 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
3874 struct toklist_dummy): New.
3875 (cpp_free_definition): Free macros with free_macro.
3876 (count_params): Don't save paramter spellings. Save macro
3877 information in a struct macro_info.
3878 (parse_define): Don't allocate a token list.
3879 (save_expansion): Allocate the macro's token list, and
3880 save parameter spellings if necessary. Use TOKEN_SPELL.
3881 (cpp_create_definition): Make list const.
3883 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3885 * c-typeck.c (pedwarn_c99): Move to
3886 * c-errors.c: ... Here.
3887 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
3888 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
3889 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
3890 (c-errors.o): List dependency.
3892 2000-07-12 Mark Mitchell <mark@codesourcery.com>
3894 * c-parse.c: Remove.
3895 * c-parse.h: Likewise.
3896 * c-parse.y: Likewise.
3897 * objc/objc-parse.c: Likewise.
3898 * objc/objc-pasre.y: Likewise.
3900 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
3902 * gcc.texi: Fix minor typos
3903 * extend.texi: Fix minor typos
3905 2000-07-11 Marc Espie <espie@openbsd.org>
3907 * collect2.c (main): Recognize .lo as object files.
3909 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3911 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
3914 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
3915 with MAP_ANONYMOUS and MAP_ANON.
3916 * configure, config.in: Rebuilt.
3918 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3920 * diagnostic.c (save_output_state): Remove.
3921 (restore_output_state): Likewise.
3922 (clear_text_info): New function.
3923 (clear_diagnostic_info): Likewise.
3924 (output_text_length, is_starting_newline, output_prefix,
3925 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
3926 prefixing_policy, output_buffer_ptr_to_format_args): New macros
3927 (set_real_maximum_length, output_set_maximum_length,
3928 output_set_prefix, output_get_prefix, output_set_maximum_length,
3929 output_destroy_prefix, init_output_buffer,
3930 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
3931 output_add_newline, output_add_character, output_add_space,
3932 output_append_r, output_append, wrap_text, output_format,
3933 output_do_printf, output_printf, output_do_verbatim,
3934 output_verbatim, verbatim): Use them.
3935 (output_clear): Split into cleat_text_info and
3936 clear_diagnostic_info.
3937 (struct output_state): Move to...
3939 * diagnostic.h: ...Here
3940 (struct output_buffer): Adjust.
3942 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
3944 * cpplex.c (parse_name): No longer inline (premature optimization).
3945 (do_pop_context): Fold into pop_context.
3946 (pop_context): Returns int.
3947 (lex_next): Hoist test for end of directive into pop_context.
3948 (push_macro_context): Returns int; takes just reader and token.
3949 Hoist test for excessive nesting to caller.
3950 (push_arg_context): Returns void; takes just reader and token.
3951 Do not call stringify_arg or get_raw_token.
3952 (get_raw_token): Convert tail recursion through push_arg_context
3953 to a loop at this level. Call stringify_arg here if appropriate.
3954 (maybe_paste_with_next): Convert tail recursion to a while loop.
3955 Hoist test of paste_level to caller.
3957 (stringify_arg): Push arg context at beginning.
3958 (cpp_get_token): Split out core into _cpp_get_token. Call
3959 process_directive here. Throw away CPP_PLACEMARKER tokens.
3960 (_cpp_get_token): Convert tail recursion through
3961 push_macro_context to a loop at this level.
3962 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
3963 _cpp_get_raw_token): Use _cpp_get_token.
3964 (_cpp_skip_rest_of_line): Drop the context stack directly; do
3965 not call pop_context.
3966 (_cpp_run_directive): Call lex_next directly.
3968 * cpphash.h: Prototype _cpp_get_token.
3969 * cppexp.c (lex): Use it.
3970 * cpphash.c (parse_define): Use it.
3971 * cpplib.c (get_define_node, do_undef, parse_include,
3972 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
3973 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
3974 parse_ifdef, validate_else): Use it.
3975 (cpp_push_buffer): Tweak error message; abort if anyone tries
3976 to push a buffer while macro expansions are stacked.
3978 2000-07-11 Donn Terry <donnte@microsoft.com>
3980 * cpplex.c (free_macro_args, save_token): Cast arg of free
3981 and/or xrealloc to PTR.
3982 (_cpp_init_input_buffer): Clear all fields of the base context.
3984 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
3986 * gensupport.c (process_rtx): Make rtl checking stop
3987 complaining about the define_insn while it is being
3988 converted from a define_insn_and_split.
3990 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
3992 * config/mips/mips.c (simple_memory_operand): Access the
3993 INTVAL of the address, not it's containing MEM.
3995 2000-07-11 Bruce Korb <bkorb@gnu.org>
3997 * fixinc/fixtests.c(double_slash): obsolete
3998 (else_endif_label): likewise
3999 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
4000 (libc1_ifdefd_memx): correct initial comment
4001 and omit the #if/#endif pair from the memxxx declarations
4002 * fixinc/fixincl.x: regen
4004 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
4008 2000-07-11 Neil Booth <NeilB@earthling.net>
4012 2000-07-11 Neil Booth <NeilB@earthling.net>
4014 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
4015 (handle_option): Set digraphs according to standard.
4016 Merge OPT_lang_c89 handler with OPT_std_c89.
4018 * cpplex.c: (lex_line, can_paste): Honour digraphs in
4019 accordance with the digraphs flag.
4021 * cpplib.h: (struct cpp_options): New option digraphs.
4023 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
4024 Bruce Korb <bkorb@gnu.org>
4026 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
4027 * fixinc/fixincl.x: Regenerate.
4028 * fixinc/tests/base/testing.h: Add testcase.
4030 2000-07-10 Richard Henderson <rth@cygnus.com>
4032 * config/ia64/ia64.c (got_symbolic_operand): New.
4033 (symbolic_operand, move_operand): Revert 0701 change.
4034 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4035 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
4036 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
4037 split the offset into a 14-bit low part instead of a 13-bit low part.
4038 (load_fptr): Mark the mem as unchanging.
4039 (load_symptr): Use got_symbolic_operand.
4041 2000-07-10 Nick Clifton <nickc@cygnus.com>
4043 * libgcc2.c (next_stack_level): Cast result of computation to
4044 (void **) so that the assignment does not generate a warning.
4046 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
4048 * flags.h : Add new variable flag_single_precision_constant.
4049 * toplev.c (display_help) : Add -fsingle-precision-constant option.
4050 (flag_single_precision_constant): New.
4051 * c-lex.c (yylex): Convert floating point constant to single
4053 * invoke.texi : Add documentation for this new option.
4055 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4057 * diagnostic.c (output_octal): Second parameter is unsigned.
4058 (output_long_octal): Likewise.
4059 (output_hexadecimal): Likewise.
4060 (output_long_hexadecimal): Likewise.
4061 (output_format): Adjust arguments extraction. Tweak.
4062 (output_verbatim, verbatim): End variable argument list.
4063 (report_diagnostic): Improve documentation.
4065 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
4067 * c-common.h (build_stmt): Declare.
4068 (build_continue_stmt): Likewise.
4069 (build_break_stmt): Likewise.
4070 (build_return_stmt): Likewise.
4072 * c-decl.c (do_case): Rewrite to do what previously done in
4075 * c-semantics.c (build_stmt): Define.
4076 (build_return_stmt): Likewise.
4077 (build_break_stmt): Likewise.
4078 (build_continue_stmt): Likewise.
4079 (build_case_label): Likewise.
4081 * c-parse.in (BREAK): Change to build tree, then generate RTL.
4082 (CONTINUE): Likewise.
4085 (DEFAULT): Likewise.
4087 * c-parse.y: Regenerate.
4088 * c-pasre.c: Likewise.
4090 2000-07-09 Jason Merrill <jason@redhat.com>
4092 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
4094 * tree.h (STRIP_NOPS): Check for error_mark_node.
4095 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
4096 (dwarf2out_*): Remove duplicate declarations.
4098 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
4099 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
4101 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4103 * diagnostic.c (wrap_text): New function.
4104 (maybe_wrap_text): Likewise.
4105 (output_add_string): Use it.
4106 (output_format): Likewise.
4107 (count_error): Use verbatim instead of notice.
4108 (report_error_function): Likewise. Don't use plain fprintf.
4109 (finish_diagnostic): New function.
4110 (output_do_verbatim): Tweak. Commonalize functionalities in
4111 output_verbatim and verbatim.
4112 (output_verbatim): Adjust.
4113 (verbatim): Likewise.
4114 (report_diagnostic): Define.
4116 * diagnostic.h (report_diagnostic): Prototype.
4118 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
4120 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
4122 2000-07-09 Neil Booth <NeilB@earthling.net>
4124 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
4125 IShspace, ISspace: Update.
4127 * cppinit.c: ISTABLE: Update.
4130 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
4131 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
4132 (skip_block_comment, skip_line_comment, parse_string,
4133 lex_line): Use is_vspace rather than IS_NEWLINE.
4134 (skip_whitespace, lex_line): Clean up to use is_nvspace.
4135 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
4137 (lex_next): Unconditionally stop if within a directive.
4138 Treat directives within macro invocations as directives
4139 (after parse_args emits error), not as the argument.
4141 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
4143 * diagnostic.c (diagnostic_args): New macro.
4144 (diagnostic_msg): Likewise.
4145 (output_formatted_integer): Likewise.
4146 (output_state): New data type.
4147 (digit_buffer): Make global.
4148 (output_add_integer): Rename to output_decimal. Squeeze
4150 (output_long_decimal, output_unsigned_decimal,
4151 output_long_unsigned_decimal, output_octal, output_long_octal,
4152 output_hexadecimal, output_long_hexadecimal): New functions.
4153 (output_append_r): New function.
4154 (output_append): Tweak.
4155 (output_flush_on): Rename to output_to_stream.
4156 (output_format): Change prototype. Improve documentation. Handle
4157 more format specifiers.
4158 (build_location_prefix): Rename to context_as_prefix.
4159 (output_notice): Rename to output_do_printf.
4160 (output_printf): Tweak.
4161 (line_wrapper_printf): Likewise.
4162 (vline_wrapper_message_with_location): Adjust call to renamed
4164 (v_message_with_decl): Likewise.
4165 (default_print_error_function): Likewise.
4166 (save_output_state): New function.
4167 (restore_output_state): Likewise.
4168 (output_do_verbatim): Likewise.
4169 (output_verbatim): Define.
4170 (verbatim): Likewise.
4172 * diagnostic.h (printer_fn): Change return type from void to int.
4173 Improve documentation.
4174 (output_add_integer): Rename to output_decimal.
4175 (output_flush_on, output_format): Don't export.
4176 (output_verbatim, verbatim): Declare.
4178 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
4180 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
4181 Check whether c divides op1 exactly if operation is not
4184 2000-07-08 Richard Henderson <rth@cygnus.com>
4186 * final.c (final): Do not abort when reg-stack introduces
4189 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
4191 * cpplib.h (struct cpp_name): Now struct cpp_string.
4192 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
4193 CPP_HEADER_NAME): Change to type S.
4194 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
4195 field, a cpp_hashnode *. All references to val.name updated
4196 to use val.str or val.node as appropriate.
4197 (struct cpp_reader): Add spec_nodes field.
4198 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
4200 * cpphash.h (struct spec_nodes): New.
4201 (enum spell_type): Reorder. Only SPELL_STRING tokens use
4202 val.str. All references to 'spelling > SPELL_NONE' updated to
4205 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
4206 pfile->buffer->inc are not NULL before dereferencing them.
4208 * cpplex.c (parse_name): Take a pointer to the current token,
4209 plus current position and limit as args; return the new
4210 position; don't copy the text of a name into the string
4211 buffer, instead call cpp_lookup and store the node pointer.
4212 If extending a token, copy out the text of the old into a
4213 scratch buffer, append the new, look that up and store the new
4214 node pointer. Inline.
4215 (maybe_paste_with_next): If the result of paste is a NAME,
4216 then look up the pasted text and store its node pointer.
4217 (lex_line): Adjust for new parse_name interface.
4218 Check for L"str", L'str' using spec_nodes->n_L.
4219 (spell_token): SPELL_IDENT tokens have their spelling in
4220 val.node->name. Handle SPELL_STRING tokens that don't have
4222 (_cpp_expand_name_space,
4223 (can_paste): Check for L ## "str" using spec_nodes->n_L.
4224 (cpp_get_token, special_symbol): No need to call cpp_lookup.
4225 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
4226 return 1=equal 0=not, not a tristate.
4228 * cpphash.c (var_args_str): Delete.
4229 (find_param): Compare node fields directly.
4230 (is__va_args__): Use CPP_PEDANTIC. Just compare
4231 token->val.node with spec_nodes->n__VA_ARGS__.
4232 (dump_funlike_macro): Don't use var_args_str.
4234 * cpplib.c (_cpp_check_directive): Just walk through
4235 spec_nodes->dirs comparing pointers.
4236 (get_define_node, do_pragma_poison, detect_if_not_defined,
4237 parse_ifdef): The identifier has already been looked up.
4238 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
4240 (do_if): Only call detect_if_not_defined at beginning of file.
4241 (_cpp_parse_assertion): Only copy string pointers for
4242 SPELL_STRING tokens.
4243 (pragma_dispatch): Take a node pointer and examine its name
4245 (_cpp_init_stacks): Also initialize the spec_nodes structure.
4247 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
4249 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
4250 reverse order from the corresponding _cpp_init_* routines.
4252 * cppexp.c (parse_number, parse_charconst, parse_defined,
4253 lex): Check val.node->type instead of calling cpp_defined.
4254 Use spec_nodes entries where appropriate.
4256 * fix-header.c, scan-decls.c: Update for interface changes.
4258 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
4260 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
4261 emitting aux_truncdfsf2.
4263 2000-07-03 Donn Terry (donnte@microsoft.com)
4265 * cppinit.c (print_help): split overlong line into ISO C89
4268 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4270 * cppexp.c: Update all code for new lexer interface.
4271 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
4272 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
4273 * cpplex.c (token_names): Trim leading CPP_ from names; make
4274 the strings unsigned.
4275 (_cpp_spell_operator): New.
4276 (is_macro_disabled): Disable all macros if rescanning
4278 (_cpp_get_directive_token): Remove.
4280 * cppinit.c: Don't set no_macro_expand.
4281 * cpplib.c (read_line_number, do_line): Check only for EOF,
4283 * cpphash.h: Update prototypes.
4284 * cpplib.h (CPP_VSPACE): Remove.
4285 (struct cpp_reader): Remove no_macro_expand.
4287 2000-07-08 Neil Booth <NeilB@earthling.net>
4289 * cpphash.c (is__va_args__): New function.
4290 (count_params): Fix line reported in error messages. Use
4291 is__va_args__. Don't return ')' on error. Flag GNU style
4292 rest args macro definitions.
4293 (parse_define): Check macro name is not __VA_ARGS__.
4294 (save_expansion): Check identifier in non-varargs-macro is
4295 not __VA_ARGS__. Don't flag GNU_VARARGS.
4296 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
4297 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
4298 than per-token GNU_VARARGS.
4299 * cpplib.h (GNU_VARARGS): Remove.
4300 (GNU_REST_ARGS): New.
4302 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4304 * i386.md (call_pop, call, call_value_pop): Do not set
4305 current_function_uses_pic_offset_table for calls to static
4306 functions or indirect calls.
4308 2000-07-07 Jim Wilson <wilson@cygnus.com>
4310 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
4311 is_predicate_reg, then take max write_count of register pair.
4313 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4315 * tradcpp.c (main): Rename label `include' to `add_include' to
4316 avoid conflicts with variable `include' in traditional C.
4318 2000-07-07 Jakub Jelinek <jakub@redhat.com>
4320 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
4322 2000-07-07 Jakub Jelinek <jakub@redhat.com>
4324 * sibcall.c (uses_addressof): Add INMEM argument, check for
4325 current_function_internal_arg_pointer outside of MEM rtxs in addition
4327 (sequence_uses_addressof): Update caller.
4329 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4331 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
4334 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4336 * system.h (UNION_INIT_ZERO): New macro for initializing union
4339 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
4341 2000-07-07 Neil Booth <NeilB@earthling.net>
4345 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
4347 * final.c (final): Detect out of bounds array access to
4348 the insn_lengths array.
4350 2000-07-07 Kazu Hirata <kazu@hxi.com>
4352 * fold-const.c (fold): Fix a comment typo.
4354 2000-07-07 Neil Booth <NeilB@earthling.net>
4356 * cpp.texi: Update to new lexer.
4358 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
4360 * tradcpp.c: New file.
4361 * tradcif.y: New file.
4362 * tradcif.c: New generated file.
4364 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
4365 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
4366 dependencies of C. Install tradcpp from install-common, in
4369 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
4371 * cppinit.c: Include cppdefault.h. Refer to
4372 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
4373 to GCC_INCLUDE_DIR and its length.
4374 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
4375 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
4376 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
4378 (include_defaults_array): Move to cppdefault.c.
4380 * cppdefault.h: New file.
4381 * cppdefault.c: New file.
4383 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
4384 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
4385 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
4388 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4390 * reload.c (push_reload): When seeing if can reuse a register,
4391 check extra registers against widest of INMODE and OUTMODE.
4393 2000-07-06 Neil Booth <NeilB@earthling.net>
4395 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
4396 based on full length of predicate.
4398 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
4400 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
4401 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
4403 2000-07-05 Kazu Hirata <kazu@hxi.com>
4405 * h8300-proto.h: Fix formatting.
4406 * h8300.c: Likewise.
4407 * h8300.h: Likewise.
4409 2000-07-05 Jim Wilson <wilson@cygnus.com>
4411 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
4414 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
4416 * invoke.texi: Fix minor typos
4417 * md.texi: Fix minor typos
4419 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
4421 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
4423 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
4425 * cpplex.c: Don't include sys/mman.h.
4426 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
4428 * cpplib.c: Include sys/mman.h and obstack.h.
4429 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
4431 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
4432 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
4433 bother freeing if stack entries (they will be freed with their buffer).
4434 (do_endif): Free if stack entries from the buffer obstack.
4435 (push_conditional): Allocate if stack entries from the buffer obstack.
4437 (find_answer): Rename to _cpp_find_answer.
4438 (do_assert, do_unassert): Update.
4440 * cpphash.h: Update prototypes.
4441 (xobnew): New convenience macro.
4442 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
4444 (struct cpp_hashnode): Remove disabled field.
4446 * cppinit.c: Don't include hashtab.h or splay-tree.h.
4447 (report_missing_guard): Moved to cppfiles.c.
4448 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
4450 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
4451 cpp_cleanup_includes. Don't destroy hashtab or
4452 all_include_files here.
4453 (cpp_finish): Use _cpp_report_missing_guards.
4455 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
4456 (_cpp_init_include_table): Rename _cpp_init_includes.
4457 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
4459 * cppexp.c (parse_assertion): Update for new name of
4462 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
4464 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
4466 * cpplib.c (do_ident): s/VSPACE/EOF/
4468 2000-07-05 Neil Booth <NeilB@earthling.net>
4470 * cpplex.c: Fix trigraph replacement within strings.
4472 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4474 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
4476 * xcoffout.c (assign_type_number): Constify.
4477 (xcoffout_source_file): Add static prototype. Don't needlessly
4478 cast away const-ness.
4480 2000-07-04 Jason Merrill <jason@redhat.com>
4482 * frame.h (frame_state): Move base_offset to end.
4484 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
4486 * calls.c (emit_library_call_value_1): Revert previous change.
4488 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
4490 * fix-header.c (struct partial_proto): Remove unnecessary fields.
4491 (recognized_extern, recognized_function, read_scan_file):
4492 Update for new scheme.
4493 (check_protection): It's still a multiple include guard even
4494 if it doesn't always trigger.
4495 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4497 * scan.h: Declare struct cpp_token. Update prototypes.
4499 2000-07-03 Neil Booth <neilb@earthling.net>
4500 Zack Weinberg <zack@wolery.cumb.org>
4502 Complete overhaul of the lexer and macro expander.
4504 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
4505 arg, arglist, argdata, reflist, collect_objlike_expansion,
4506 collect_funlike_expansion, collect_params,
4507 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
4508 unsafe_chars, macarg, compare_defs, special_symbol,
4509 scan_arguments, stringify, funlike_macroexpand,
4510 _cpp_quote_string, monthnames): Delete.
4511 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
4512 _cpp_create_definition, _cpp_dump_definition,
4513 dump_hash_helper): Adjust.
4514 (find_param, count_params, parse_define, var_args_str,
4515 check_macro_redefinition, save_expansion): New.
4517 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
4518 parse_string, output_line_command, trigraph_replace,
4519 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
4520 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
4521 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
4522 _cpp_skip_rest_of_line): Modify.
4524 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
4525 find_position, null_warning, bump_column, expand_name_space,
4526 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
4527 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
4528 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
4529 _cpp_prescan): Delete.
4531 (dump_param_spelling, process_directive, lex_next,
4532 is_macro_disabled, stringify_arg, expand_context_stack,
4533 output_token, make_string_token, alloc_number_token,
4534 special_symbol, duplicate_token, maybe_paste_with_next,
4535 can_paste, prevent_macro_expansion, restore_macro_expansion,
4536 get_temp_token, release_temp_tokens, quote_string,
4537 token_names, token_spellings, _cpp_expand_name_space,
4538 _cpp_glue_header_name, _cpp_reserve_name_space,
4539 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
4540 placemarker_token, eof_token, cpp_context, macro_args,
4541 get_raw_token, parse_arg, parse_args, save_token,
4542 push_arg_context, push_macro_context, pop_context,
4543 do_pop_context, free_macro_args, _cpp_get_line,
4544 _cpp_run_directive): New.
4546 * cpplib.c (validate_else, parse_include, push_conditional,
4547 pass_thru_directive, read_line_number, parse_ifdef,
4548 detect_if_not_defined, _cpp_check_directive, do_define,
4549 do_undef, do_include, do_import, do_include_next, do_error,
4550 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
4551 top_pragmas, do_pragma_gcc, do_pragma_implementation,
4552 do_pragma_poison, do_pragma_system_header,
4553 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
4554 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
4555 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
4556 cpp_defined): Update for new scheme.
4557 (strtoul_for_line, get_define_node, dump_macro_name,
4558 _cpp_check_linemarker, _cpp_parse_assertion): New.
4559 (_cpp_handle_directive, do_pragma_default): Delete.
4561 * cpphash.h (struct predicate): Now struct answer.
4562 (enum spell_type, struct token_spelling, struct directive,
4563 directive_handler): New.
4564 Update prototypes. Remove unused macros.
4565 * cpplib.h: Update prototypes. Remove unused macros,
4566 structure definitions, and fields.
4568 * cpperror.c (print_containing_files, v_message): Adjust.
4569 * cppexp.c (parse_assertion, lex, parse_escape,
4570 _cpp_parse_expr): Adjust.
4571 * cppfiles.c (open_include_file, _cpp_execute_include,
4572 _cpp_compare_file_date, cpp_read_file, read_include_file):
4574 * cppinit.c (dump_special_to_buffer): Delete.
4575 (append_include_chain, merge_include_chains, cpp_reader_init,
4576 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
4577 cpp_finish, handle_option, print_help): Adjust.
4578 * cppmain.c (main): Adjust.
4580 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
4582 * cppspec.c (lang_specific_driver): Use double quotes in error
4585 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
4587 * calls.c (emit_library_call_value_1): Use valreg instead
4588 of hard_libcall_value.
4590 2000-07-03 Geoff Keating <geoffk@cygnus.com>
4592 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
4593 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
4594 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
4602 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
4603 mode instead of wider_mode is being used.
4605 2000-07-03 Jakub Jelinek <jakub@redhat.com>
4607 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
4608 of 'r'. Use q_regs_operand.
4609 (andsi_1+2): Use q_regs_operand.
4611 2000-07-03 Jakub Jelinek <jakub@redhat.com>
4613 * builtins.c (get_memory_rtx): Always put into alias set 0.
4615 2000-07-03 Nick Clifton <nickc@cygnus.com>
4617 * config/arm/arm.md: Fix post increment and pre increment
4618 peepholes so that they do not generate UNPREDICATBLE opcodes.
4619 (ie ones where the increment clobbers the source/destination).
4621 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
4623 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
4624 change too big for -mtiny-stack" a warning, if larger than 63.
4625 (out_set_stack_ptr): Change the logic so -mno-interrupts is
4626 always safe to use on possible future devices.
4627 (function_prologue): Write SPH before SPL, for consistency.
4628 If interrupt_func_p true, we know we have enabled interrupts.
4629 (avr_num_arg_regs): New function. Round up to even number of
4630 bytes if no -mpack-args or if calling a libgcc function.
4631 (function_arg, function_arg_advance): Use it.
4632 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
4633 Output "movw" if available.
4634 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
4635 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
4636 (asm_output_section_name): Add blanks for consistent output.
4637 (encode_section_info): Set TREE_READONLY for progmem data to
4638 avoid gas warnings about changed section attributes.
4639 (avr_hard_regno_mode_ok): Force non-QImode data to start in
4640 even numbered registers on devices with "movw".
4641 * config/avr/avr.h (MASK_*): Define bits for target_flags.
4642 (TARGET_SWITCHES): Mark help strings for translation.
4643 Add new -mpack-args and -menhanced switches.
4644 (TARGET_OPTIONS): Mark help strings for translation.
4645 (progmem_section): Add section attributes.
4646 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
4647 Output "movw" if available.
4648 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
4650 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
4651 call convention (arguments aligned on even registers).
4652 (_cleanup, _exit): Make weak symbols libc can override.
4654 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * fp-bit.h: New file.
4658 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
4659 Comment #endif statements.
4660 (__thenan_sf, __thenan_df): Add missing braces around initializer.
4662 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
4664 * gcse.c (compute_pre_data): Compute ae_kill using other local
4665 properties instead of calling compute_ae_kill.
4667 * alias.c (init_alias_analysis): Do not call
4668 prologue_epilogue_contains until after reload has completed.
4670 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
4672 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
4673 (genrtl_finish_compound_stmt): Likewise.
4674 (genrtl_compound_stmt): Change to return void.
4676 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
4677 move code from here to ...
4678 (genrtl_compound_stmt): ... here.
4679 (genrtl_finish_compound_stmt): Remove.
4680 (expand_stmt): Add comment.
4682 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
4684 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
4687 2000-07-02 Jakub Jelinek <jakub@redhat.com>
4689 * cpplib.h (struct cpp_reader): New field include_depth.
4690 (struct cpp_printer): Rename last_bsd to last_id.
4691 * cppfiles.c (read_include_file): Bump include_depth.
4692 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
4693 (output_line_command): Output correct #line if a header
4694 is including itself and is not protected against multiple inclusion.
4695 Use include_depth instead of buffer_stack_depth, last_id instead of
4697 * cppinit.c (cpp_start_read): Initialize last_id instead of
4700 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
4702 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
4703 (c-semantics.o): New target.
4705 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
4706 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
4707 (genrtl_clear_out_block): Likewise.
4708 (genrtl_goto_stmt): Likewise.
4709 (genrtl_expr_stmt): Likewise.
4710 (genrtl_decl_stmt): Likewise.
4711 (genrtl_if_stmt): Likewise.
4712 (genrtl_while_stmt): Likewise.
4713 (genrtl_do_stmt): Likewise.
4714 (genrtl_return_stmt): Likewise.
4715 (genrtl_for_stmt): Likewise.
4716 (genrtl_break_stmt): Likewise.
4717 (genrtl_continue_stmt): Likewise.
4718 (genrtl_scope_stmt): Likewise.
4719 (genrtl_switch_stmt): Likewise.
4720 (genrtl_case_label): Likewise.
4721 (genrtl_begin_compound_stmt): Likewise.
4722 (gerntl_finish_compound_stmt): Likewise.
4723 (genrtl_compound_stmt): Likewise.
4724 (genrtl_asm_stmt): Likewise.
4725 (genrtl_decl_cleanup): Likewise.
4726 (DECL_ANON_UNION_ELEMS): Likewise.
4727 (emit_local_var): Likewise.
4728 (make_rtl_for_local_static): Likewise.
4729 (expand_cond): Likewise.
4730 (expand_stmt): Likewise.
4731 (c_expand_return): Likewise.
4732 (c_expand_start_case): Likewise.
4733 (do_case): Likewise.
4734 (COMPOUND_STMT_NO_SCOPE): Likewise.
4735 (c_expand_asm_operands): Likewise.
4736 (NEW_FOR_SCOPE_P): New macro.
4737 (expand_expr_stmt_fn): New type.
4739 (set_current_function_name_declared): Likewise.
4740 (current_function_name_declared): Likewise.
4741 (lang_expand_stmt): Likewise.
4742 (stmts_are_full_exprs_p): Likewise.
4743 (anon_aggr_type_p): Likewise.
4744 (lang_expand_expr_stmt): Likewise.
4745 (build_case_label): Likewise.
4747 * c-decl.c (lang_expand_expr_stmt): Initialize.
4748 (stmts_are_full_exprs_p): Define.
4749 (current_function_name_declared): Likewise.
4750 (do_case): Likewise.
4751 (lang_expand_stmt): Likewise.
4752 (set_current_function_name_declared): Likewise.
4753 (anon_aggr_type_p): Likewise.
4755 * c-semantics.c: New file.
4756 (expand_cond): Moved from cp/semantics.c.
4757 (genrtl_do_pushlevel): Likewise.
4758 (genrtl_clear_out_block): Likewise.
4759 (genrtl_goto_stmt): Likewise.
4760 (genrtl_expr_stmt): Likewise.
4761 (genrtl_decl_stmt): Likewise.
4762 (genrtl_if_stmt): Likewise.
4763 (genrtl_while_stmt): Likewise.
4764 (genrtl_do_stmt): Likewise.
4765 (genrtl_return_stmt): Likewise.
4766 (genrtl_for_stmt): Likewise.
4767 (genrtl_break_stmt): Likewise.
4768 (genrtl_continue_stmt): Likewise.
4769 (genrtl_scope_stmt): Likewise.
4770 (genrtl_switch_stmt): Likewise.
4771 (genrtl_case_label): Likewise.
4772 (genrtl_begin_compound_stmt): Likewise.
4773 (genrtl_finish_compound_stmt): Likewise.
4774 (genrtl_compound_stmt): Likewise.
4775 (genrtl_asm_stmt): Likewise.
4776 (genrtl_decl_cleanup): Likewise.
4777 (make_rtl_for_local_static): Moved from cp/decl.c.
4778 (emit_local_var): Likewise.
4779 (expand_stmt): Define.
4781 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
4782 (c_expand_return): Likewise.
4783 (c_expand_start_case): Likewise.
4785 2000-07-01 Richard Henderson <rth@cygnus.com>
4787 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
4788 with the low 13 bits set.
4789 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
4790 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
4791 of the low 13 bits into a CONST plus an adddi3.
4792 (load_symptr): Set RTX_UNCHANGING_P.
4794 See ChangeLog.3 for earlier changes.