1 2000-05-19 Richard Henderson <rth@cygnus.com>
3 * jump.c (redirect_jump): Add delete_unused argument. Don't
4 remove labels and code following when LABEL_NUSES goes to zero.
5 (invert_jump): Likewise.
6 (jump_optimize_1): Fix redirect/invert arguments.
7 (do_cross_jump, thread_jumps): Likewise.
8 * flow.c (split_edge): Likewise.
9 * reorg.c (optimize_skip): Likewise.
10 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
11 * profile.c (instrument_arcs): Likewise.
12 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
13 * rtl.h: Update prototypes.
15 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
17 * ssa.c (convert_from_ssa): Tell life_analysis we need death
19 (make_regs_equivalent_over_bad_edges): Only look at abnormal
22 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
24 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
25 past l1 when deleting whitespace and markers.
27 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
28 * cpplib.c (do_unassert): Put the list to compare against on
31 2000-05-19 Bruce Korb <bkorb@gnu.org>
33 * fixinc/README: cleaned up old documentation
34 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
35 * fixinc/check.tpl: compute the list of needed directories
36 emit "#if defined(name)" because of conflict
37 omit machine name differences from output differences
38 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
39 (machine_name): change test text to use `sed' markers
40 * fixinc/fixincl.x: regen
42 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
44 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
47 2000-05-18 Chris Demetriou <cgd@sibyte.com>
49 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
50 it to match the current practice.
52 2000-05-18 Mark Mitchell <mark@codesourcery.com>
54 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
56 2000-05-18 Richard Henderson <rth@cygnus.com>
58 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
59 * rtl.h (insn_dependant_p): Declare it.
60 * loop.c (strength_reduce): Use it.
62 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
64 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
65 16-bit and 64-bit clean-up.
67 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
69 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
72 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
74 * genopinit.c: Use $ for escape sequences in optab patterns.
75 Remove backslashes from optab patterns. Change $A, $B, $C to
76 expand to (int) whatever instead of just whatever; remove
77 explicit (int) from all optab patterns.
79 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
80 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
81 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
82 genrecog.c: Remove private copies of xmalloc, xrealloc, and
85 2000-05-18 Richard Henderson <rth@cygnus.com>
87 * jump.c (jump_optimize_1): Base minimum insn count during
88 find_cross_jump on BRANCH_COST.
90 2000-05-18 Jakub Jelinek <jakub@redhat.com>
92 * print-rtl.c (print_rtx): Only print note line number as string
93 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
94 * final.c (final_scan_insn): Do nothing for note line number 0.
96 2000-05-18 Jakub Jelinek <jakub@redhat.com>
98 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
99 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
100 NOTE_INSN_DELETED_LABEL.
102 2000-05-18 Nick Clifton <nickc@cygnus.com>
104 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
105 uninitialised data in .rodata not .bss, and do not interpret an
106 error in the initialisation value as meaning that the variable
107 should be placed in the .bss section.
109 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
111 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
112 not `$ac_cv_prog_cc_cc_c_o'.
113 * configure: Regenerated.
115 2000-05-18 Chris Demetriou <cgd@sibyte.com>
116 Richard Henderson <rth@cygnus.com>
118 * c-common.h (enum c_tree_index): Add g77 type entries.
119 (g77_integer_type_node, g77_uinteger_type_node): New.
120 (g77_longint_type_node, g77_ulongint_type_node): New.
121 * c-decl.c (init_decl_processing): Initialize them.
123 2000-05-18 Richard Henderson <rth@cygnus.com>
125 * config/h8300/h8300.md (subs patterns): Use %G to negate.
127 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
128 (small_power_of_two): Likewise; use exact_log2.
129 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
130 (output_adds_subs): Remove.
131 (two_insn_adds_subs_operand): New.
132 (split_adds_subs): New.
133 * config/h8300/h8300-protos.h: Update.
134 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
135 (CONST_OK_FOR_L): Match strict adds operands.
136 (CONST_OK_FOR_N): Match struct subs operands.
137 * config/h8300/h8300.md (adds_subs insns): Remove.
138 (addhi patterns): Output adds/subs directly.
139 (addsi_h8300h): Likewise.
140 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
142 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
144 * cppexp.c (parse_assertion): New.
145 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
146 (_cpp_parse_expr): Remove case '#'. Don't set
147 parsing_if_directive.
148 * cpphash.c (collect_objlike_expansion,
149 collect_funlike_expansion, collect_params,
150 _cpp_create_definition): The list no longer has a trailing
152 * cpphash.h (enum node_type): Add T_ASSERTION.
153 (struct hashnode): Remove aschain, add pred.
154 (struct predicate): New.
157 * cpplex.c (expand_token_space): Handle both offset and
159 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
160 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
161 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
162 _cpp_equiv_toklists): New.
163 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
164 stop at any single-character token, not just newline.
165 (_cpp_lex_token): Remove special cases for #define and #if.
166 (cpp_get_token): Expect # as a separate token type. Remove
168 (_cpp_get_directive_token): Remove DIRECTIVE case.
169 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
171 * cpplib.c (_cpp_check_directive): Set dirno and
172 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
173 (_cpp_handle_directive): Run # <number> through the same logic
174 as normal directives.
175 (do_define): Don't set parsing_define_directive. Use
176 _cpp_scan_until. The list does not have a VSPACE at the end.
177 (do_if): Save, clear, and restore only_seen_white around
179 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
180 (do_assert, do_unassert): Rewrite.
182 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
183 (LIST_OFFSET): New flag.
184 (struct cpp_toklist): Replace dir_handler and dir_flags with
186 (struct cpp_reader): Remove parsing_if_directive and
187 parsing_define_directive.
189 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
191 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
192 following the cabs decl which terminate on the following line.
193 Add the corresponding test_text case.
195 2000-05-18 Neil Booth <NeilB@earthling.net>
197 * cppinit.c (cpp_reader_init): Initialise col_adjust and
198 default tab stop size.
199 (no_num, OPT_ftabstop): New.
200 (handle_option): Handle "ftabstop=" command-line option.
201 (print_help): Document it.
202 * cpplex.c (COLUMN): Remove.
203 (handle_newline): Reset col_adjust.
204 (skip_whitespace): Update col_adjust as tabs encountered.
205 (_cpp_lex_line): Update to use col_adjust. Call
206 skip_whitespace for all whitespace.
207 * cpplib.h (struct cpp_options): New member tabstop.
208 (struct cpp_reader): New member col_adjust.
209 (CPP_BUF_COL): Update.
210 (CPP_BUF_COLUMN): New.
211 * cpp.texi: Document "-ftabstop=" command line option.
213 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
215 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
217 * configure: Rebuilt.
219 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
221 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
223 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
224 HOST_BITS_PER_WIDE_INT is >= 64.
226 2000-05-17 Richard Henderson <rth@cygnus.com>
228 * jump.c (jump_optimize_1): Remove inactive but real insns
229 in jump-to-next-insn optimization.
231 2000-05-17 Richard Henderson <rth@cygnus.com>
233 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
234 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
235 Don't call recompute_reg_usage if no_new_pseudos is true.
236 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
237 Return true if we did work; update global life information.
238 * basic-block.h (optimize_mode_switching): Update decl.
240 2000-05-17 Neil Booth <neilb@earthling.net>
242 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
244 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
246 * cpplib.c: New feature, #pragma system_header.
247 * cpp.texi: Document special treatment of system headers, and
248 the various mechanisms to get a header that special treatment.
250 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * system.h (offsetof): Define at the very end, to ensure we prefer
253 the platform's definition if available.
255 2000-05-16 Bruce Korb <bkorb@gnu.org>
257 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
258 * fixinc/server.c: likewise
259 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
260 + #ifdef debugging code + use #def constant for
262 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
263 on C++ math namespace
265 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
267 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
268 Don't check the return value of sprintf. Use asprintf to avoid
271 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
273 * flags.h (warn_unused_function, warn_unused_label,
274 warn_unused_parameter, warn_unused_variable, warn_unused_value):
275 Replace ``warn_unused''.
276 (set_Wunused): Add declaration.
277 * toplev.c (set_Wunused): New function.
278 (warn_unused_function, warn_unused_label, warn_unused_parameter,
279 warn_unused_variable, warn_unused_value): New variables.
280 (W_options): Add -Wunused-function, -Wunused-function,
281 -Wunused-label, -Wunused-parameter, -Wunused-variable and
282 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
284 * toplev.c (decode_W_option): Update -Wunused flags by calling
286 * c-decl.c (c_decode_option): Ditto for -Wall.
288 * stmt.c (expand_expr_stmt, expand_expr_stmt,
289 warn_about_unused_variables): Replace warn_unused with more
290 explicit warn_unused_value et.al.
291 * function.c (expand_function_end): Ditto.
292 * c-typeck.c (internal_build_compound_expr,
293 internal_build_compound_expr): Ditto.
294 * c-decl.c (poplevel, pop_label_level): Ditto.
295 * toplev.c (check_global_declarations): Replace warn_unused with
296 check for either warn_unused_function or warn_unused_variable.
298 * gcc.1, invoke.texi (Warning Options): Document
299 -Wunused-function, -Wunused-function, -Wunused-label,
300 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
302 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
304 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
305 $(srcdir), not in the current directory.
307 2000-05-16 Richard Henderson <rth@cygnus.com>
309 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
310 assembler supports it.
311 (.fini, .init): Use a gp-relative indirect call.
312 (__do_global_dtors_aux): Preserve the gp; rebundle.
313 (__do_frame_setup): Likewise.
314 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
315 (.init): Use a gp-relative indirect call.
316 (__do_global_ctors_aux): Preserve the gp.
318 2000-05-16 Richard Henderson <rth@cygnus.com>
320 * flow.c (commit_one_edge_insertion): Be prepared for a return
321 insn to be inserted on the edge with a normal jump.
322 * jump.c (jump_optimize_1): Don't look to create return isns.
324 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
325 * jump.c (jump_optimize_1): Likewise.
326 (returnjump_p): Verify the argument is a JUMP_INSN.
327 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
329 2000-05-16 Nick Clifton <nickc@cygnus.com>
331 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
332 GET_RTX_CLASS (GET_CODE ()) == 'i'.
333 (large_insn_p): Ditto.
334 (m32r_is_insn): New function: Return true if the insn contains
335 an executable instruction.
336 (m32r_adjust_insn): Use m32r_is_insn.
337 (m32r_sched_reorder): Use m32r_is_insn.
338 (m32r_sched_variable_issue): Use m32r_is_insn.
340 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
342 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
345 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
347 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
348 according to given options.
350 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
352 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
353 if X has VOIDmode either.
354 (LIMIT_RELOAD_CLASS): Similarly.
356 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
357 not "general_operand" to match the processor's capabilities.
359 2000-05-16 Bruce Korb <bkorb@gnu.org>
361 * fixinc/README: corrected return address
362 * fixinc/check.diff: regenerate, now that test works
363 * fixinc/fixfixes.c(format_fix,format_write): reformatted
364 (char_macro_def_fix,char_macro_use_fix): corrected and
365 rewrote to use regex to parse the text
366 * fixinc/inclhack.def: more testing
367 * fixinc/fixincl.x: regenerated
369 * fixinc/inclhack.def: added several "test_text" attributes
370 changed several fixes to use `c_fix = format'
371 re-alphabetized the fixes
373 * fixinc/check.diff: regenerate
374 * fixinc/fixincl.x: regenerate
375 * fixinc/check.tpl: added `sparc' and `netinet' to the list
379 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
381 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
383 2000-05-15 Richard Henderson <rth@cygnus.com>
385 * toplev.c (rest_of_compilation): Run full jump pass before
386 find_basic_blocks of flow2.
388 2000-05-15 Richard Henderson <rth@cygnus.com>
390 * jump.c: Fix typos and clarify commentary from last change.
391 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
392 (safe_to_remove_jump_p): Remove.
393 (condjump_label): Use pc_set.
395 2000-05-15 Richard Henderson <rth@cygnus.com>
397 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
398 that get in the way after reload.
399 (cond_exec_process_if_block): Skip a label heading THEN block.
401 2000-05-15 Richard Henderson <rth@cygnus.com>
403 * varasm.c (output_constant_pool): Abort instead of converting
404 (improperly) deleted labels to zero.
406 2000-05-16 Neil Booth <NeilB@earthling.net>
408 * cpplex.c (parse_string2): Update comment.
409 (cpp_lex_line): No special assertion treatment for '('.
410 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
411 * cpplib.h (SYNTAX_ASSERT): Remove.
413 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
415 * jump.c (condjump_p): Mark as depreached.
416 (any_condump_p): New.
417 (any_uncondump_p): New.
419 (safe_to_remove_jump_p): New.
420 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
421 safe_to_remove_jump_p): Declare.
423 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
425 * calls.c: Re-install both patches reverted by last patch.
426 (struct arg_data): New field tail_call_reg.
427 (initialize_argument_information): Initialize tail_call_reg
428 (load_register_parameters): New argument flags, use
429 tail_call_reg when emiting tail call sequence.
430 (expand_call): Update call of load_register_parameters;
431 copy unadjusted_args_size to adjusted_args_size.
433 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
435 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
436 and bct_p parameters to flags.
437 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
438 * rtl.h (loop_optimize): Update prototype.
439 * toplev.c (rest_of_compilation): Update call of loop_optimize.
441 2000-05-15 Jakub Jelinek <jakub@redhat.com>
443 * calls.c (expand_call): Move expand_start_target_temps call after
446 2000-05-15 Neil Booth <NeilB@earthling.net>
448 * cpphash.c (trad_stringify, warn_trad_stringify,
449 collect_params): Make some pointers pointers to const.
450 * cpplex.c (auto_expand_name_space) Guaranteed to always
451 expand by at least one character.
452 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
453 (struct token_spelling): Use const U_CHAR * rather than PTR.
454 (expand_name_space): Fix up token pointers if name space
455 is moved when expanding.
456 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
457 parse_string2, save_comment, spell_token, cpp_output_list):
458 Update so the routines handle tokens with a direct pointer to
459 their text, rather than an offset into the token's list's namebuf.
460 (_cpp_lex_line): Rearrange for clarity.
462 * cpplib.c (_cpp_check_directive): Similarly.
463 (do_define): Make SYM a pointer to const.
464 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
465 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
466 (TOK_OFFSET): Delete.
469 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
471 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
474 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
476 (logical_u_operand): Delete.
477 (non_logical_cint_operand): Rewrite to take MODE into account.
478 (non_logical_u_cint_operand): Delete.
479 (boolean_operator): New function.
480 (print_operand): Add new %q operand.
481 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
482 remove logical_u_operand and non_logical_u_cint_operand,
483 update logical_operand and non_logical_cint_operand.
484 * config/rs6000/rs6000.md: Rewrite the patterns for performing
485 logical operations to use %q.
487 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
488 (movdi): Make similar to movsi.
489 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
490 is no such thing as a DImode CONST_DOUBLE.
491 * config/rs6000/rs6000.c (output_toc): Likewise.
493 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
494 codes when old mnemonics are in use. Print register names
495 for cc registers when requested.
497 * optabs.c (expand_float): Don't allow mode widening that causes
500 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
501 flags to their current names -maix64 and -maix32.
503 2000-05-14 Bruce Korb <bkorb@gnu.org>
505 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
506 and/or after current text of file
507 * fixinc/fixlib.c(must_malloc):
508 * fixinc/fixlib.h(must_malloc): + reformatting
509 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
510 with usages of ``c_fix = wrap;''
511 Add several tests and use the ``c_fix = format'' fixer more.
512 * fixinc/fixincl.x: regen
513 * fixinc/check.diff: regen
514 * fixinc/check.tpl: emit the associated header with the missing
517 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
519 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
520 variables $src and $dst.
522 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
524 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
525 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
526 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
527 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
529 (set_message_prefixing_rule): Declare.
531 * diagnostic.c: (current_prefixing_rule): New variable.
532 (set_message_prefixing_rule): Define.
533 (output_set_prefix): Adjust buffer->emitted_prefix_p.
534 (init_output_buffer): Adjust Initialization.
535 (output_emit_prefix): Rewrite. Take prefixing rules into account.
537 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
539 * ifcvt.c (if_convert): Do not free NULL.
541 2000-05-12 Nick Clifton <nickc@cygnus.com>
543 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
544 to move a double word value.
545 (di_operand): New function: Return true if the operand is suitbale
546 for a double word move operation.
547 (nonimmediate_di_operand): New function: Return true if the
548 operand is a DImode register or MEM.
550 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
551 nonimmediate_di_operand.
553 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
554 nonimmediate_di_operand.
556 * config/fr30/fr30.md (movdi): New pattern. Required because
557 other patterns generate DImode results.
558 (movdi_insn): New pattern.
560 2000-05-12 Richard Henderson <rth@cygnus.com>
562 * config/alpha/alpha.c (struct shadow_summary): Define
563 bitfields as type unsigned int.
565 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
567 * config/avr/t-avr: Added definition of FLOAT while generates
570 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
571 peepholes for tst+jump = sbrs/sbrc optimization.
573 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
575 * expr.c (emit_push_insn): Do not adjust stack pointer when
578 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
580 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
581 * system.h (offsetof): ... to here.
583 2000-05-12 Richard Henderson <rth@cygnus.com>
585 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
586 * final.c (final_end_function): Use app_disable. Rearrange note
587 handling into a switch. Emit deleted labels.
588 (output_asm_label): Generate label strings for deleted labels.
589 * flow.c (tail_recursion_label_list): New.
590 (find_basic_blocks_1): Set label_value_list directly. Collect list
591 of tail recursion labels from call_placeholders. Don't add deleted
592 labels to the label value list.
593 (cleanup_cfg): Use free_EXPR_LIST_list.
594 (flow_delete_insn_chain): Turn non-removable labels into notes.
595 (flow_delete_block): Don't disable deleting the block because of
596 a non-removable label.
597 (tail_recursion_label_p): New.
598 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
600 (merge_blocks_move_successor_nojumps): Likewise. Also move a
602 (merge_blocks): Disable a merge because of tail recursion labels.
603 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
604 Use a more accurate measure of not merging the join block.
605 (find_if_block): Don't disable conversion because of a label.
606 (find_if_case_1, find_if_case_2): Likewise.
607 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
608 element when copying.
609 (squeeze_notes): Also leave EH notes.
610 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
612 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
614 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
615 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
616 referring to a deleted label. Convert tail handling to a switch.
617 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
618 for NOTE_INSN_DELETED_LABEL.
619 (NOTE): Fix commentary.
620 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
621 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
622 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
623 (LABEL_NUSES, LABEL_REFS): Likewise.
624 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
626 2000-05-12 Bruce Korb <bkorb@gnu.org>
628 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
629 * fixinc/check.diff: updated
630 * fixinc/inclhack.def: corrected & added some test_text-s
631 * fixinc/genfixes: removed unneeded options to autogen invocation
632 * fixinc/fixincl.tpl: Specified the output file
633 * fixinc/fixfixes.c: visual appearance
634 * fixinc/fixincl.x: regenerate
636 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
638 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
639 CTRL_defn_fix): Delete.
640 (fix_char_macro_defines, fix_char_macro_uses): Rename to
641 char_macro_def_fix and char_macro_use_fix, respectively. Put
642 them into the FIXUP_TABLE. Get the string to search for from
645 (format_write): New function.
646 (format_fix): Use it.
648 (FIX_PROC_HEAD): Constify text parameter.
649 (machine_name_fix): Constify all char *s.
650 * fixtests.c (skip_quote): Remove double static.
652 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
653 ctrl_use_quotes): Update for new scheme.
654 * fixincl.x: Regenerate.
656 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
658 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
660 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
661 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
663 2000-05-11 Robert Lipe <robertlipe@usa.net>
665 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
666 * fixincl.x: Regenerate.
668 2000-05-11 Richard Henderson <rth@cygnus.com>
670 * calls.c: Revert both 05-09 patches.
672 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
674 * config/mn10300/mn10300.c (print_operand): Print FP constants in
676 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
679 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
680 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
682 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
684 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
686 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
688 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
690 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
692 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
693 * config/avr/avr.c (jump_over_one_insn_p): New function.
694 * config/avr/avr.md: New peepholes added. Output test and
695 conditional jump to "sbrc" or "sbrs" command.
697 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
699 * cppmain.c (main): Use IS_DIR_SEPARATOR.
701 2000-05-11 Jakub Jelinek <jakub@redhat.com>
703 * except.c (find_exception_handler_labels_1): New function.
704 (find_exception_handler_labels): Split into two functions, dive
705 into CALL_PLACEHOLDERs when looking for exception handler labels.
707 2000-05-11 Stan Cox <scox@cygnus.com>
709 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
710 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
711 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
713 2000-05-11 Bruce Korb <bkorb@gnu.org>
715 * fixinc/fixfixes.c (double_slash_fix): obsolete
716 (else_endif_label_fix): obsolete
717 (format_fix): new, unused as yet
719 * fixinc/fixlib.h: added fix description struct for use by format_fix
720 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
721 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
722 modules. Removed the vestiges of the script version.
723 Added support for "make check".
724 * fixinc/check.diff: base diff file (needs work!!)
725 * fixinc/check.tpl: quiet the fixup output
726 * fixinc/fixtests.c (main): obsolete
727 * fixinc/fixincl.sh: don't bother copying fixincl to ..
728 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
730 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
732 * toplev.c (rest_of_compilation): Remove dead code after
735 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
737 * cpphash.c (collect_funlike_expansion): Make "# is not
738 followed by a macro argument name" a pedwarn, not an error.
739 Preserve the # in the output. Suppress the warning if lang_asm.
741 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
743 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
744 * configure: Rebuilt.
746 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
748 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
750 2000-05-10 Kazu Hirata <kazu@hxi.com>
752 * combine.c (try_combine): Fix a typo.
754 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
756 * config/ia64/ia64.md (insv): Add comment.
758 2000-05-10 Richard Henderson <rth@cygnus.com>
760 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
761 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
762 dependancies on FPBIT and DPBIT.
764 2000-05-10 Nick Clifton <nickc@redhat.com>
766 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
767 when optimising for size.
768 (mark_used_regs:) Ditto.
769 (try_pre_increment_1): Ditto.
771 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
773 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
774 Make error message friendlier.
776 * cpphash.h (struct hashnode): Use struct hack for name
778 * cpphash.c (struct hashdummy): New.
779 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
780 (make_HASHNODE): No need to set ->name pointer. Correct
782 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
784 2000-05-10 Richard Henderson <rth@cygnus.com>
786 * flow.c (find_basic_blocks_1): Remove any spare bb_note
789 2000-05-10 Bruce Korb <bkorb@gnu.org>
791 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
793 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
795 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
796 after we enter .debug.
798 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
800 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
801 abstract instance of a nested inline function.
803 * stor-layout.c (finish_record_layout): finalize_type_size
804 before laying out the pending_statics.
806 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
808 * cpplex.c (spell_token): New function.
809 (spell_string, spell_comment, spell_name): fold into
812 (E, H): Remove macros.
813 (save_comment): Save comment opening characters too.
814 (_cpp_lex_file): Update to use spell_token. Tidy up comment
816 * cpplib.h (I, S): Add macros.
817 (E, H): Remove macros.
818 (TTYPE_TABLE): Update entries for new speller.
819 (SYNTAX_ASSERT): Remove.
821 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
823 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
824 when removing escaped newlines. Reverse sense of test for
827 2000-05-09 Richard Henderson <rth@cygnus.com>
829 * flow.c (find_basic_blocks_1): Do not delete the first
830 bb_note we run across.
831 (create_basic_block): Use reorder_insns to move an existing
832 bb_note to the correct place.
834 2000-05-09 Richard Henderson <rth@cygnus.com>
836 * calls.c (expand_call): Increment currently_expanding_call
837 before calling optimize_tail_recursion.
839 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
841 * reload1.c (reload_combine): Fix errors in last change.
843 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
845 * gcc.c (used_arg): Skip over a semicolon at the end of the
846 split-up loop; don't break out of it.
848 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
849 (tree.o): Depend on output.h.
851 * c-decl.c (pending_invalid_xref_file,
852 current_function_prototype_file): Constify.
853 (pushdecl): Constify a local char *.
854 (define_label): Constify filename parameter.
855 * c-lex.c (init_parse): Constify parameter and return value.
856 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
857 * c-tree.h: Update prototypes.
858 * c-parse.in: Constify filename member of %union, and if_stmt_file.
859 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
860 objc/objc-parse.c: Regenerate.
862 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
863 * dwarfout.h: Update prototypes.
864 * expr.c (expand_expr): Constify a local char *.
865 * flags.h: Constify main_input_filename.
866 * function.c (expand_function_end): Constify filename parameter.
867 * genrecog.c (make_insn_sequence): Use a character array for
869 (main): Remove unused variables.
870 * input.h: Constify input_filename, main_input_filename, and
871 file_stack.name. Update prototypes.
872 * output.h: Declare first_global_object_name and
873 weak_global_object_name here, as const char *.
874 * stmt.c (expand_asm_operands): Constify filename parameter.
875 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
876 Constify filename parameter.
877 (input_filename, main_input_filename): Constify.
878 * toplev.h: Update prototypes.
879 * tree.c: Include output.h. Don't declare
880 first_global_object_name or weak_global_object_name. Clean up string
881 bashing in get_file_function_name_long.
882 * tree.h (struct tree_decl): Constify filename member.
883 (input_filename): Constify.
885 * varasm.c (first_global_object_name, weak_global_object_name):
887 (assemble_start_function, assemble_variable): Clean up string bashing.
889 * gcc.c: Constify all spec-related strings initialized,
890 transitively, from string constants. Constify all strings
891 and string variables related to multilibs.
892 (set_spec, read_specs): Cast argument to free to PTR.
893 (used_arg): Do not modify multilib_matches. Use strncmp plus
894 length comparison to compare multilib switches.
895 * genmultilib: Constify everything declared in multilib.h.
897 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
899 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
902 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
904 * config/avr/avr-protos.h (extra_constraint): change a type of
905 second argument from char to int to avoid warnings.
906 (asm_output_byte): Likewise.
908 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
909 (initial_elimination_offset): Handle elimination from
910 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
911 (legitimate_address_p): Use MAX_LD_OFFSET.
912 (legitimize_address): Likewise.
913 (out_movqi_r_mr): Likewise.
914 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
915 (out_movsi_r_mr): Use MAX_LD_OFFSET.
916 (out_movsi_mr_r): Likewise.
917 (out_movqi_mr_r): Likewise.
918 (out_movhi_mr_r): Likewise.
919 (notice_update_cc): Correct CC for the ashrqi3 with the shift
920 count as CONST_INT != 6.
921 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
922 shift count is a CONSTANT_P, but not a CONST_INT.
923 (ashlhi3_out): Coding style modifications.
924 (ashlsi3_out): Likewise.
925 (ashrhi3_out): Likewise.
926 (ashrsi3_out): Likewise.
927 (lshrhi3_out): Likewise.
928 (lshrsi3_out): Likewise.
929 (ashrqi3_out): Generate shift for any known constant count without
930 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
932 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
933 shift count is a CONSTANT_P, but not a CONST_INT.
934 (extra_constraint): change a type of
935 second argument from char to int to avoid warnings.
936 (asm_output_byte): Likewise.
937 (asm_file_end): Output size generated commands count as a hex
940 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
942 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
944 (ashlqi3): Values of "length" attribute changed. Shift count
945 uses constraints 'n' instead of 'i'.
946 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
947 shifts without clobber register.
948 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
949 (call_insn): Correct test for which_alternative == 1 (was 0).
950 (call_value_insn): Likewise.
952 * config/avr/t-avr: Remove definition of FLOAT while generates
955 2000-05-09 Bruce Korb <bkorb@gnu.org>
957 * fixinc/check.tpl: Template for checking fixes
958 * fixinc/inclhack.def: Added 'test_text' for many fixes
959 disable hpux8_bogus_inlines on SCO
960 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
962 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
964 * calls.c (expand_call): Reorganize somewhat in order
965 to avoid unnecesary recalculation inside loop and make
966 tail call failure code cleaner.
968 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
970 * alias.c (nonlocal_reference_p): Minor reformatting.
971 * reload.c (find_equiv_reg): Simplify logic for
972 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
973 some some reformatting.
974 * reload1.c (reload_combine): Don't assume everything in
975 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
977 2000-05-08 Richard Henderson <rth@cygnus.com>
979 * final.c (current_insn_predicate): New.
980 (final_scan_insn): Set it.
981 * output.h (current_insn_predicate): Declare.
983 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
984 Attach it to call insns.
985 (cond_exec_process_if_block): Track probability for true and
987 (dead_or_predicable): Likewise.
989 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
990 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
991 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
992 (estimate_probability, expected_value_to_br_prob): Use them.
994 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
995 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
996 (ia64_expand_prediction): New.
997 (emit_insn_group_barriers): Don't look at notes. Emit barriers
998 as needed after calls.
999 (ia64_epilogue_uses): Mark b0 used.
1000 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1001 (bne_true, bne_false): Remove.
1002 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1003 (br_true, br_false): New. Use predicate_operator and
1004 ia64_expand_prediction.
1005 (return_true, return_false): Likewise.
1006 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1007 (call_internal1, call_value_internal): Likewise.
1008 (call_value_internal1, call_multiple_values_internal1): Likewise.
1010 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1012 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1014 2000-05-08 Richard Henderson <rth@cygnus.com>
1016 * rtlanal.c (may_trap_p): Consider old-style and volatile
1019 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1021 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1023 2000-05-08 Richard Henderson <rth@cygnus.com>
1025 * config/ia64/ia64.h (predicate_operator): Declare.
1027 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1030 * gensupport.c (process_rtx): Copy and post-process each member
1031 of the define_insn rtvec individually.
1033 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1035 * cpplex.c (spell_token): New function.
1036 (TOKEN_LEN): Add 1 for whitespace.
1037 (_cpp_lex_file): Update to use spell_token.
1038 * cpplib.h (E): Remove.
1039 (TTYPE_TABLE): Update CPP_VSPACE entry.
1041 2000-05-08 Richard Henderson <rth@cygnus.com>
1043 * flow.c (init_propagate_block_info): Watch out for conditional
1044 branch to next instruction, and thus one outgoing edge.
1046 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1047 for global register variables; don't special case __[CD]TOR_LIST__;
1048 mind ggc_p for string allocation.
1050 2000-05-08 Nick Clifton <nickc@cygnus.com>
1052 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1054 2000-05-08 Bruce Korb <bkorb@gnu.org>
1056 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1057 i?86-*-msdosdjgpp* no longer uses fixincludes
1058 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1059 * fixinc/inclhack.sh: deleted
1060 * fixinc/hackshell.tpl: deleted
1061 * fixinc/inclhack.tpl: deleted
1062 * fixinc/Makefile.in: Remove dependencies on above
1063 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1065 2000-05-08 Andreas Jaeger <aj@suse.de>
1067 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1070 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1072 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1075 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1077 * cpplex.c: Move new lexer definitions and prototypes
1078 to top. Conditional include these and the code if
1079 NEW_LEXER is defined. Rename functions whose names
1080 clash if this code included.
1082 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1084 * rtl.def (COND_EXEC): Clarify.
1086 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1087 same fashion as zero_extendsidi2.
1089 2000-05-06 Richard Henderson <rth@cygnus.com>
1091 * config/ia64/ia64.c (predicate_operator): New.
1092 (ia64_print_operand): Handle 'J'.
1093 (rtx_needs_barrier): Handle COND_EXEC.
1094 * config/ia64/ia64.h (BRANCH_COST): Define.
1095 (PREDICATE_CODES): Update.
1096 * config/ia64/ia64.md: Docuement used unspec values.
1097 (attr predicable): New.
1098 (movxf, movxf_internal): New.
1099 (extendsfdf2): Don't comment out nop.
1100 (floatdidf2): Remove.
1101 (truncxfsf2, truncxfdf2, floatdixf2): New.
1102 (abssi2, absdi2): Put the neg in the "true" slot.
1103 (conditional branch instructions): Mark not predicable.
1104 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1105 (abs*_internal): Likewise.
1106 (alloc, set_bsp): Mark not predicable.
1107 (barrier, insn_group_barrier, flush_cache): Likewise.
1108 (define_cond_exec): New.
1110 2000-05-06 Richard Henderson <rth@cygnus.com>
1112 * c-decl.c: Include "tm_p.h".
1114 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1115 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1116 (ia64_expand_op_and_fetch): Declare.
1117 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1118 (setjmp_operand): Constify variables for XSTR.
1119 (ia64_encode_section_info): Likewise.
1120 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1122 (ia64_asm_output_external): Constify name.
1123 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1124 (process_for_unwind_directive): Provide switch default.
1125 (ia64_expand_compare_and_swap): Remove unused variables.
1126 (ia64_expand_builtin): Likewise.
1127 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1130 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1131 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1132 (shift_count_operand, shift_32bit_count_operand): Likewise.
1133 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1134 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1135 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1136 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1137 (ia64_expand_builtin): Likewise.
1138 (call_multiple_values_operation): Make dest_regno unsigned.
1140 2000-05-06 Richard Henderson <rth@cygnus.com>
1142 * rtl.def (DEFINE_COND_EXEC): New.
1143 * md.texi: Document it.
1145 * gensupport.c (input_file): Remove.
1146 (struct queue_elem): Add lineno.
1147 (rtx_ready_queue): Remove.
1149 (predicable_default): New.
1150 (predicable_true, predicable_false): New.
1151 (define_attr_queue, define_attr_tail): New.
1152 (define_insn_queue, define_insn_tail): New.
1153 (define_cond_exec_queue, define_cond_exec_tail): New.
1154 (other_queue, other_tail): New.
1155 (queue_pattern): New.
1156 (process_rtx): Add patterns to the appropriate queues.
1157 (is_predicable, identify_predicable_attribute): New.
1158 (n_alternatives, collect_insn_data): New.
1159 (alter_predicate_for_insn, alter_test_for_insn): New.
1160 (shift_output_template, alter_output_for_insn): New.
1161 (process_one_cond_exec, process_define_cond_exec): New.
1162 (init_md_reader): Read the entire file. Process define_cond_exec.
1163 (read_md_rtx): Return elements from the queues.
1165 2000-05-06 Richard Henderson <rth@cygnus.com>
1167 * flow.c (mark_set_1): Don't update conditional life info
1168 if the register is not_dead.
1170 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1172 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1173 (mostlyclean): Also delete fixincl, fixinc.sh, and
1174 specs.ready, and make clean in the fixinc subdir.
1176 2000-05-06 Richard Henderson <rth@cygnus.com>
1178 * Makefile.in (gensupport.o): Compile for the host.
1179 (host-prefix gensuuprt.o): Remove.
1180 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1181 (genattrtab.o): Likewise.
1182 (gencodes.o): Depend on gensupport.h.
1183 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1184 (genpeep.o, genattr.o, genoutput.o): Likewise.
1186 * gensupport.c (obstack, rtl_obstack): New.
1187 (init_md_reader): Initialize rtl_obstack.
1188 * gensupport.h (rtl_obstack): Declare.
1189 (message_with_line): Declare.
1191 * genattr.c: Remove all traces of obstack manipulation.
1192 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1193 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1195 * genattrtab.c (obstack, rtl_obstack): Remove.
1196 (main): Don't init rtl_obstack.
1197 * genflags.c: Likewise.
1199 * genrecog.c (message_with_line): Move ...
1200 * gensupport.c: ... here.
1202 2000-05-06 Richard Henderson <rth@cygnus.com>
1204 * c-typeck.c (build_c_cast): Remove dead code.
1206 2000-05-06 Richard Henderson <rth@cygnus.com>
1208 * flow.c (split_edge): Don't allocate global_live_at_start for
1209 the new block unless the old blocks had them as well.
1211 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1213 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1214 test_bb if a or b uses x.
1216 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1218 * cpphash.h: Remove conditional #define of __extension__.
1219 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1220 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1221 (ENABLE_RTL_CHECKING only).
1222 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1223 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1224 (ENABLE_TREE_CHECKING only).
1225 * varray.h: Add __extension__ to VARRAY_CHECK macro
1226 (ENABLE_CHECKING only).
1228 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1230 Use new tail-calling mechanism on ARM.
1231 * arm.md (sibcall, sibcall_value): New expands.
1232 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1233 (tailcalling peepholes): Delete.
1234 (push_multi): Simplify.
1235 * arm.c (lr_save_eliminated): Delete definition.
1236 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1237 (output_return_instruction): Remove checks on lr_save_eliminated.
1238 (output_arm_prologue): Remove old tail-calling code.
1239 (arm_output_epilogue): New parameter, really_return. All callers
1240 changed. Handle tail-calling epilogues.
1241 * arm.h (lr_save_eliminated): Delete declaration.
1242 (frame_pointer_needed): Delete declaration.
1243 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1245 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1247 * arm.c (thumb_code): Define it.
1248 (arm_override_options): Set it.
1249 * arm.h (thumb_code): Declare it.
1251 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1253 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1255 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1257 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1258 bogus clobber to insns.
1259 (load_multiple_operation, store_mulitple_operation): Don't check
1261 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1263 * arm.md (and_scc, ior_scc): Add missing mode.
1265 * arm.md (call_value_symbol): Remove predicate from op2.
1267 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1269 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1271 * expr.c (get_subtarget): New function.
1272 (force_operand, expand_expr, do_store_flag): Use it.
1274 * toplev.c (compile_file): Don't take strlen of NAME if null.
1276 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1278 * xcoffout.c (xcoff_current_include_file,
1279 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1280 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1282 (xcoffout_declare_function): Make name 'const char *'.
1283 (xcoffout_end_epilogue): Make fname 'const char *'
1284 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1285 xcoffout_declare_function, xcoffout_source_line): Match above.
1287 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1289 * rs6000.c (print_operand): Fix lossage typo.
1290 (output_cbranch): Remove "cr" decoration for now.
1291 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1293 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1295 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1298 2000-05-05 Bruce Korb <bkorb@gnu.org>
1300 * fixinc/genfixes: Improve the matching for make target names
1302 2000-05-05 Catherine Moore <clm@cygnus.com>
1304 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1305 attribute to the decl.
1306 * c-decl.c (pushdecl): Propagate the USED attribute to the
1309 2000-05-05 Richard Henderson <rth@cygnus.com>
1311 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1312 same way emit_group_load does.
1314 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1316 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1318 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1321 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1323 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1325 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1327 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1328 to support -shared, on platforms with dynamic libraries.
1330 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1332 * system.h (S_ISBLK): Provide fallback definition.
1334 2000-05-05 Geoff Berry <geoffb@bops.com>
1336 * extend.texi (Extended Asm): Document inability to give asm
1337 statements access to condition codes.
1339 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1341 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1342 as arg 2 of UNIQUE_SECTION.
1344 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1346 * predict.c: Remove May 4 change.
1347 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1348 if we have predicted the branch at 50-50 probability.
1350 2000-05-05 Richard Henderson <rth@cygnus.com>
1352 * flow.c (init_propagate_block_info): Fix merge error
1353 in HAVE_conditional_execution code.
1355 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1357 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1358 shift cycle for unknown shift count. Also generates dec + brpl.
1359 (ashlqi3_out): Don't generate dec + brpl which now generates by
1360 `out_shift_with_cnt'.
1361 (ashlhi3_out): Likewise.
1362 (ashlsi3_out): Likewise.
1363 (ashrqi3_out): Likewise.
1364 (ashrhi3_out): Likewise.
1365 (ashrsi3_out): Likewise.
1366 (lshrqi3_out): Likewise.
1367 (lshrhi3_out): Likewise.
1368 (lshrsi3_out): Likewise.
1370 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1372 * gcc.c (free_split_directories): Correct typo in explanation
1373 of make_relative_prefix.
1375 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1377 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1378 comparison codes to branch_comparison_operator.
1380 2000-05-04 Richard Henderson <rth@cygnus.com>
1382 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1384 2000-05-04 Richard Henderson <rth@cygnus.com>
1386 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1387 (DPBIT_FUNCS): Remove _sf_to_usi.
1388 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1390 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1391 between condition and jump.
1393 * libgcc2.c (near eh_context_specific): Comment #endif string.
1394 * longlong.h: Don't use strings with embedded newlines.
1396 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1398 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1399 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1400 (print_operand): Delete %t and %T codes.
1401 (output_cbranch): New function. Support branch prediction.
1402 * config/rs6000/rs6000.md: Use output_cbranch for
1403 conditional branches and returns.
1405 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1407 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1408 * stor-layout.c (place_field): Likewise.
1409 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1410 * expr.c (store_expr): Make align unsigned.
1411 * explow.c (plus_constant_wide): Make low words unsigned.
1412 * expmed.c (choose_multiplier): Likewise.
1413 * fold-const.c (fold): Likewise.
1414 * tree.h (build_int_2): Likewise.
1415 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1416 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1417 (init_emit): Change cast to unsigned char*.
1418 * varasm.c (compare_constant_1): Add cast to char*.
1419 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1420 * reload1.c (reload): Likewise.
1422 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1424 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1426 * predict.c (estimate_probability): If no prediction was found, then
1427 predict the successor that is the next physical block (if such a
1430 2000-05-04 Richard Henderson <rth@cygnus.com>
1432 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1434 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1436 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1438 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1440 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1441 attribute macros from here ...
1442 (CPP_SPEC): to here.
1443 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1444 (CPP_SPEC): Likewise.
1445 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1447 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1448 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1450 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1452 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1454 * diagnostic (vbuild_message_string, build_message_string,
1455 build_location_prefix, output_get_prefix, init_output_buffer,
1456 output_notice, vline_wrapper_message_with_location,
1457 v_message_with_decl, default_print_error_function): De-constify.
1458 (set_real_maximum_length): Prototype.
1460 * diagnostic.h (struct output_buffer, init_output_buffer,
1461 output_get_prefix, output_set_prefix): De-constify.
1463 * function.c (init_function_start): Constify.
1465 * gensupport.c (remove_constraints, process_rtx): Prototype.
1467 * gthr-posix.h: Indent uses of #pragma.
1469 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1472 * predict.c (find_expected_value): Delete prototype.
1473 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1475 * sbitmap.h (debug_sbitmap): Prototype.
1477 * ssa.c (compute_coalesced_reg_partition): Prototype.
1479 * stor-layout.c (debug_rli): Prototype.
1481 * tree.h (round_down): Prototype.
1482 (init_function_start): Constify.
1484 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1486 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1487 (overly conservative). Change extern inline wrappers to
1488 static inline, define them always, use PARAMS properly.
1489 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1490 whitespace warnings for \f and \v at the beginning of a line.
1492 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1494 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1497 2000-05-04 Bruce Korb <bkorb@gnu.org>
1499 * fixincl/inclhack.def: added broken_cabs -
1500 Remove `extern double cabs' declarations from math.h
1501 * fixincl/inclhack.sh: regen
1502 * fixincl/fixincl.x: regen
1503 * fixincl/fixincl.c: Remove BOGOSITY code
1504 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1506 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1508 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1510 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1511 when calling MEM_COPY_ATTRIBUTES.
1512 * emit-rtl.c (operand_subword, change_address): Likewise.
1513 * explow.c (stabilize): Likewise.
1514 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1515 * integrate.c (copy_rtx_and_substitute): Likewise.
1516 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1517 when calling MEM_COPY_ATTRIBUTES.
1518 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1520 * cse.c (gen_lowpart_if_possible): Likewise.
1521 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1522 * optabs.c (gen_move_insn): Likewise.
1523 * recog.c (validate_replace_rtx_1): Likewise.
1524 * simplify-rtx.c (add_mem_for_addr): Likewise.
1525 * stmt.c (expand_anon_union_decl): Likewise.
1526 * config/arm/arm.md: Likewise.
1527 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1528 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1529 (block_move_no_loop, block_move_sequence): Likewise.
1530 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1531 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1532 Clear MEM_ALIAS_SET.
1533 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1534 MEM_COPY_ATTRIBUTES.
1536 2000-05-03 Robert Lipe <robertlipe@usa.net>
1538 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1539 to suppress libgcc1.
1540 (i[34567]86-*-sco3.2v5*) Likewise.
1541 (i[34567]86-*-sco3.2v4*) Likewise.
1542 (i[34567]86-*-sco) Likewise.
1543 (i[34567]86-*-solaris2) Likewise.
1544 (i[34567]86-*-sysv5*) Likewise.
1545 (i[34567]86-*-sysv4*) Likewise.
1546 (i[34567]86-*-udk*) Likewise.
1547 (i[34567]86-*-sysv*) Likewise.
1549 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1551 * cpphash.h (U): New define, to correct type of string constants.
1552 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1553 routines, to do casts when passing unsigned strings to libc.
1554 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1556 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1557 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1558 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1559 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1560 second argument an U_CHAR *.
1562 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1563 length field, clean up initializer.
1564 (ISTABLE): Add __extension__ to designated-
1565 initializers version.
1566 * cpplex.c (CHARTAB): Likewise.
1568 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1569 case so the file won't be empty.
1571 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1573 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1574 (REORDER_BLOCK_SUCC): Removed.
1575 (enum reorder_skip_type): Removed.
1576 (skip_insns_between_block): Renamed to skip_insns_after_block.
1577 Removed second argument. Removed dead code and cleaned up.
1578 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1579 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1580 second parameter to skip_insns_after_block.
1582 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1584 * tree.c (staticp, case LABEL_DECL): New case.
1586 2000-05-03 Richard Henderson <rth@cygnus.com>
1588 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1590 * mklibgcc1.in: Fix typo last change.
1592 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1594 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1595 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1596 (GCC_CFLAGS): Use it.
1597 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1598 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1599 objc/Make-lang.in: Use it.
1601 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1603 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1605 2000-05-03 Richard Henderson <rth@cygnus.com>
1607 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1608 LIBGCC1 empty with libgcc1.null.
1610 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1612 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1615 2000-05-03 Greg McGary <gkm@gnu.org>
1617 * tree.h (tree_common): Add bounded_flag member. Remove
1618 inaccurate comment about number of remaining bits.
1619 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1620 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1621 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1622 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1623 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1624 (TYPE_QUAL_BOUNDED): New constant.
1625 (TYPE_QUALS): Handle bounded qualifier.
1626 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1627 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1628 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1629 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1630 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1631 (tree_type): Add pointer_depth member. Remove
1632 inaccurate comment about number of remaining bits.
1633 (DECL_POINTER_DEPTH): Add macro.
1634 (tree_decl): Add pointer_depth member.
1636 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1638 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1639 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1640 (lshrhi3_out): Likewise.
1641 (ashrsi3_out): bugfix in shift by 8.
1642 (test_hard_reg_class): New function.
1643 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1644 (ashlhi3): removed define_expand of this pattern.
1645 (*ashlhi3_insn): renamed to ashlhi3.
1646 (ashlsi3): removed define_expand of this pattern.
1647 (*ashlsi3_insn): renamed to ashlsi3.
1648 (ashrqi3): removed define_expand of this pattern.
1649 (*ashrqi3_insn): renamed to ashrqi3.
1650 (ashrhi3): removed define_expand of this pattern.
1651 (*ashrhi3_insn): renamed to ashrhi3.
1652 (ashrsi3): removed define_expand of this pattern.
1653 (*ashrsi3_insn): renamed to ashrsi3.
1654 (lshrhi3): removed define_expand of this pattern.
1655 (*lshrhi3_insn): renamed to lshrhi3.
1656 (lshrsi3): removed define_expand of this pattern.
1657 (*lshrsi3_insn): renamed to lshrsi3.
1659 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1661 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1662 inclusion of "system.h".
1664 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1666 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1669 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1671 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1672 if -mauto-pic is on.
1673 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1674 -mconstant-gp is in effect and function-descriptors are being used
1675 to make indirect calls.
1676 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1677 (MASK_AUTO_PIC): Ditto.
1678 (TARGET_CONST_GP): Ditto.
1679 (TARGET_AUTO_PIC): Ditto.
1680 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1681 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1682 -mno-pic is in effect.
1683 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1684 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1685 -mauto-pic is in effect.
1686 (gprel64_offset): New pattern.
1687 (load_gprel64): Ditto.
1688 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1689 -mconstant-gp is in effect, no need to preserve gp around direct
1691 (call_value): Ditto.
1692 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1693 (FUNCTION_PROFILER): Define.
1694 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1695 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1696 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1698 2000-05-03 Richard Henderson <rth@cygnus.com>
1700 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1701 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1702 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1703 (mklibgcc, libgcc.mk): New targets.
1704 (libgcc.a): Use libgcc.mk.
1705 (stmp-multilib): Likewise.
1706 (stmp-multilib-sub): Remove.
1707 (mostlyclean): Don't delete libgcc2 temp files.
1708 * configure.in (AC_PROG_CC_C_O): Add.
1709 (NO_MINUS_C_MINUS_O): Substitute it.
1710 (all_outputs): Add mklibgcc.
1711 * mklibgcc.in: New file.
1713 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1715 * cppexp.c (op_t): Make an int.
1717 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1719 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1721 * gensupport.c (process_rtx): Fix macros used.
1723 2000-05-03 Richard Henderson <rth@cygnus.com>
1725 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1726 call-clobbered registers of a call.
1728 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1730 * gensupport.c: New file.
1731 * gensupport.h: New file.
1732 * Makefile.in (HOST_RTL): Depend on gensupport.
1733 (gensupport.o) New rule.
1734 * genattr.c: Use gensupport for reading .md files.
1735 * genattrtab.c: Ditto.
1736 * gencodes.c: Ditto.
1737 * genconfig.c: Ditto.
1739 * genextract.c: Ditto.
1740 * genflags.c: Ditto.
1741 * genopinit.c: Ditto.
1742 * genoutput.c: Ditto.
1744 * genrecog.c: Ditto.
1745 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1746 * md.texi (Insn Splitting): Document define_insn_and_split.
1748 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1750 * flow.c (verify_flow_info): Added two more sanity checks. The
1751 first checks that the blocks are numbered consecutively. The second
1752 checks that n_basic_blocks is actually equal to the number of
1753 basic blocks in the insn chain.
1755 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1757 * cpplib.h: Add accessor macros for token lists.
1758 * cpplib.c, cpphash.c, cpplex.c: Use them.
1760 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1762 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1763 memory usage if not in a function.
1764 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1765 return address if static.
1767 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1769 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1770 whether address may trap.
1772 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1774 * bb-reorder (chain_reorder_blocks): Changed code to test for
1775 EDGE_FALLTHRU rather than making erroneous assumption that the
1776 first outgoing edge is the fall-through edge.
1778 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1780 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1781 ABI for varargs, across all MIPS. This is incompatible because the
1782 va_list (__builtin_va_list) structure is different, so a compilation
1783 unit passing a va_list and a compilation unit being passed one, should
1784 both be compiled with the same ABI. (The old structure had two
1785 pointers, now it has three.)
1787 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1789 * bb-reorder.c (struct reorder_block_def): Remove members end,
1790 block_begin, and block_end.
1791 (REORDER_BLOCK_OLD_END): Delete.
1792 (REORDER_BLOCK_BEGIN): Delete.
1793 (REORDER_BLOCK_END): Delete.
1794 (chain_reorder_blocks): Remove dead code.
1796 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1798 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1799 notes as the end of a basic block before deleting.
1801 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1803 * final.c (final_start_function): Fix spelling of "necessary".
1805 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1807 * toplev.c (debug_ignore_block): Return int.
1808 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1809 * toplev.h, dwarf2out.h: Adjust.
1810 * emit-rtl.c (remove_unnecessary_notes): Test return value.
1812 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
1813 * toplev.c, final.c, rtl.h: Adjust.
1815 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1817 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
1818 * configure.in: Look for makeinfo in the unified tree, then
1819 for a system makeinfo which is sufficiently new.
1820 * Makefile.in: If configure says makeinfo is too old, don't
1821 build or install Info documentation.
1823 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1825 * cpphash.c (collect_params): Fix off-by-one error.
1826 (dump_hash_helper): Dump all four macro nodetypes.
1828 2000-05-02 Jakub Jelinek <jakub@redhat.com>
1830 * cpphash.c (trad_stringify): Adjust p after stringification as
1833 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1835 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
1836 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
1838 * cppfiles.c (file_cleanup): Delete.
1839 * cpphash.c (macro_cleanup): Delete.
1840 (collect_objlike_expansion, collect_funlike_expansion,
1841 macarg, scan_arguments): Remove CPP_POP case.
1843 * cpplex.c (null_cleanup): Delete.
1844 (cpp_pop_buffer): Do the work that was done in the cleanups
1845 here. Call _cpp_unwind_if_stack from here.
1846 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
1847 cpp_scan_buffer): Run until we see CPP_EOF and the top of
1848 stack is the buffer _below_ the one we stacked.
1849 (cpp_get_token): Always pop an exhausted buffer. Return
1850 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
1851 * cpplib.c (skip_if_group): Don't call cpp_get_token to
1852 increment the line number.
1853 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
1855 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
1856 we see CPP_EOF and the top of stack is the buffer _below_ the
1858 * scan-decls.c: Likewise.
1860 2000-05-02 Andrew Haley <aph@cygnus.com>
1862 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
1863 where this function is called for the second time on a decl that
1864 has had its section info changed in such a way as to move it out
1866 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
1868 2000-05-01 Richard Henderson <rth@cygnus.com>
1870 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
1871 the sequence we're moving, not to merge_bb->head.
1873 2000-05-01 Richard Henderson <rth@cygnus.com>
1875 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
1876 reference to alpha/t-linux.
1877 (alpha*-*-linux-gnu*): Likewise.
1878 * configure: Rebuild.
1880 * calls.c (expand_call): Don't emit reg notes for a sibcall.
1882 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
1885 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
1887 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
1889 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
1892 2000-05-01 Richard Henderson <rth@cygnus.com>
1894 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
1895 emit_conditional_move.
1897 2000-05-01 Jakub Jelinek <jakub@redhat.com>
1899 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
1900 as the dynamic linker.
1902 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
1904 * cppfiles.c (open_include_file): Open file in blocking mode.
1905 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
1906 Only exclude block devices and directories.
1908 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
1909 static. Allocate the hashnode and its string in the same
1911 (del_HASHNODE): Don't free h->name.
1912 (_cpp_lookup): If there is no entry for this string, create
1913 one, of type T_VOID.
1914 (_cpp_lookup_slot): Delete.
1915 * cpphash.h: Update prototypes.
1917 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
1919 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
1920 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
1921 node here, just fill in the value field properly. "Delete"
1922 entries by setting the value field to T_VOID. Check for
1923 hp->type == T_VOID, not hp == NULL.
1925 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
1926 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
1929 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
1931 * config/mn10300/mn10300.c (print_operand_address): Do not add
1934 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
1935 adjusted by less than 256 bytes, use ret regardless of having any
1936 callee-saved register to restore.
1938 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
1940 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
1942 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
1944 * config/i386/djgpp.h (INT_ASM_OP): Define.
1945 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
1946 (ASM_WEAKEN_LABEL): Define.
1947 (MASK_BNU210): Define.
1948 (SUBTARGET_SWITCHES): Define.
1949 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
1950 (MAKE_DECL_ONE_ONLY): Define.
1951 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
1953 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
1955 * i386/cygwin.h (INT_ASM_OP): Define.
1957 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
1959 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
1960 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
1962 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
1964 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
1965 __tmp_reg__ and __zero_reg__ initialization.
1967 2000-04-30 Richard Henderson <rth@cygnus.com>
1969 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
1971 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
1972 referenced bewteen the condition and the jump. Don't delete
1973 anything but the jump.
1975 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
1977 * bb-reorder.c (scope_def): New struct.
1978 (scope_forest_info): New struct.
1979 (struct reorder_block_def): New member "scope".
1980 (REORDER_BLOCK_SCOPE): New macro.
1981 (relate_bbs_with_scopes): New function and prototype.
1982 (make_new_scope): Likewise.
1983 (build_scope_forest): Likewise.
1984 (remove_scope_notes): Likewise.
1985 (insert_intra_1): Likewise.
1986 (insert_intra_bb_scope_notes): Likewise.
1987 (insert_inter_bb_scope_notes): Likewise.
1988 (rebuild_scope_notes): Likewise.
1989 (free_scope_forest_1): Likewise.
1990 (free_scope_forest): Likewise.
1991 (dump_scope_forest): Likewise.
1992 (dump_scope_forest_1): Likewise.
1993 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
1994 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
1996 (reorder_basic_blocks): Added calls to build_scope_scope_forest
1997 and remove_scope_notes before reordering is done. Added calls to
1998 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
1999 after reordering is done.
2001 2000-40-30 Bruce Korb <bkorb@gnu.org>
2003 * fixinc/inclhack.def: Added definitions needed by OSR5,
2004 removed two stale entries (defined away with OLD_CPP).
2005 * fixinc/inclhack.sh: regen
2006 * fixinc/fixincl.x: regen
2008 2000-04-30 Richard Henderson <rth@cygnus.com>
2010 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2011 from the last insn in the sequence.
2013 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2015 * cpplex.c (cpp_idcmp): New function.
2016 * cpplib.h: Prototype it.
2017 * scan_decls.c (scan_decls): Use it to inspect token names.
2018 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2019 the file being run through the preprocessor.
2020 (check_macro_names): Provide length of token to cpp_defined.
2022 * Makefile.in: Remove stale warning message.
2024 * cppfiles.c (redundant_include_p): Provide length of token to
2026 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2027 values are unsigned int.
2028 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2029 (_cpp_lookup_slot): Do not calculate the hash, either.
2030 * cpphash.h: Update prototypes.
2031 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2032 Hashes are unsigned int. Calculate hash here, pass by value
2033 to _cpp_lookup_slot.
2035 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2037 * simplify-rtx.c (check_value_useless): Delete function.
2038 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2040 (cselib_invalidate_regno): Likewise.
2041 (cselib_invalidate_mem_1): Likewise.
2042 (references_value_p): Recognize useless values by the fact that they
2044 (discard_useless_values): Likewise.
2045 (cselib_record_set): This may turn a useless value
2048 2000-04-30 Richard Henderson <rth@cygnus.com>
2050 * config/d30v: New port.
2052 * configure.in (d30v-*): Set fp format.
2053 * configure: Rebuild.
2055 2000-04-30 Richard Henderson <rth@cygnus.com>
2057 * ifcvt.c: New file.
2058 * Makefile.in (OBJS): Add it.
2059 (ifcvt.o): New target.
2060 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2061 and conditional arithmetic.
2062 (find_insert_position): Remove.
2063 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2064 * toplev.c (DFI_ce, DFI_ce2): New.
2065 (dump_file): Add ce and ce2 dumps.
2066 (rest_of_compilation): Run if_convert a couple o times. Set
2067 cse_not_expected after cse2. Don't set no_new_pseudos until
2068 after sched1 or recompute_reg_usage.
2070 2000-04-30 Richard Henderson <rth@cygnus.com>
2072 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2073 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2075 2000-04-30 Richard Henderson <rth@cygnus.com>
2077 * flow.c (struct reg_cond_life_info): New.
2078 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2079 (init_propagate_block_info): Initialize them.
2080 (free_propagate_block_info): Destruct them.
2081 (mark_set_1): Consider conditional life before killing a register.
2082 (mark_regno_cond_dead): New.
2083 (free_reg_cond_life_info): New.
2084 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2085 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2086 (mark_used_reg): Record conditional life.
2088 * haifa-sched.c (schedule_insns): Disable death counting
2089 sanity check for HAVE_conditional_execution.
2091 2000-04-30 Richard Henderson <rth@cygnus.com>
2093 * Makefile.in (TIMEVAR_H): New.
2094 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2095 (timevar.h): Remove rule.
2097 2000-04-29 Richard Henderson <rth@cygnus.com>
2099 * config/alpha/crtend.asm: Use C comments instead of #.
2100 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2102 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2104 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2106 * cpphash.h (enum node_type: Take out T_MCONST.
2107 (union hashval): Move into struct hashnode.
2108 (struct hashnode): Pack tighter. Remove file, line, col
2110 * cpphash.c: Constify most of the macro-definition structures.
2111 (struct definition): Replace by struct object_defn
2112 and struct funct_defn. Put file, line, column information
2113 here. All users updated to match.
2114 (_cpp_create_definition, _cpp_macroexpand): Remove special
2115 case for #define WORD OTHERWORD.
2116 * cpplib.c (do_undef): Remove T_MCONST case.
2118 * cpphash.h: Move struct reflist, struct definition, and the
2119 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2120 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2121 * cpphash.c (_cpp_free_definition): Free data pointed to by
2122 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2123 (_cpp_create_definition, del_HASHNODE): Just call
2124 _cpp_free_definition to clear out a hashnode.
2125 * cpplib.c (do_pragma_poison): Likewise.
2127 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2129 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2130 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2131 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2132 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2133 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2134 REGNO_AM33_P): Redefine in terms of the new macros.
2135 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2136 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2137 STRUCT_VALUE): Likewise.
2138 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2139 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2141 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2143 * regmove.c (struct record_stack_memrefs_data): New.
2144 (record_stack_memrefs): New function.
2145 (combine_stack_adjustments_for_block): Use it.
2147 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2149 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2150 use special_function_p to detect alloca.
2152 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2154 * gcc.texi: Fixes for makeinfo 4.0 --html.
2156 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2158 * pcp.h: Delete file.
2160 2000-04-28 Kazu Hirata <kazu@hxi.com>
2162 * h8300.c (function_epilogue): Clean up flags when the last insn
2163 in a function is a barrier.
2165 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2167 * configure.in (sparc-hal-solaris2*): protect [] glob from
2169 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2170 rather than hard-coded constants in target_cpu_default2.
2171 * configure: Regenerate.
2173 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2175 * tree.c (get_callee_fndecl): Extract the initial value from
2178 2000-04-28 Richard Henderson <rth@cygnus.com>
2180 * varasm.c (record_constant_1): Record the CODE_LABEL when
2181 taking the address of a LABEL_REF.
2183 2000-04-28 Richard Henderson <rth@cygnus.com>
2184 Jan Hubicka <jh@suse.cz>
2186 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2187 adjustment; don't do the stack adjust.
2188 (expand_call): Call compute_argument_block_size right before
2189 allocating the block; update comment; don't do alignment sanity
2190 checking for sibling call; use args_size instead of
2191 unadjusted_args_size before args_size is adjusted. Use
2192 combine_pending_stack_adjustment_and_call to compute stack adjust
2193 for must_preallocate case.
2195 * expr.c (push_block): Remove shadow `temp' in inner scope.
2197 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2199 * toplev.c (rest_of_compilation): Call
2200 note_deferral_of_defined_inline_function even if the function
2203 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2205 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2207 2000-04-28 Richard Henderson <rth@cygnus.com>
2209 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2211 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2213 * timevar.c (init_timevar): DeANSIfy function definition.
2215 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2217 * Makefile.in (timevar.o): Depend on flags.h.
2218 * timevar.c (unused_stack_instances): New variable.
2219 (timevar_push): Take a timevar_stack_def from
2220 unused_stack_instances if available.
2221 (timevar_pop): Push the popped timevar_stack_def onto
2222 unused_stack_instances.
2223 (TIMEVAR_ENABLE): New macro.
2224 (timevar_def): Make standalone a 1-bit field. Add field used.
2225 (get_time): Rename parameter to now. Return after clearing it if
2227 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2228 (timevar_pop): Likewise.
2229 (timevar_stop): Likewise.
2230 (timevar_push): Likewise. Mark the timing variable as used.
2231 (timevar_start): Likewise.
2232 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2233 timevars that were never used.
2235 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2237 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2238 always TREE_READONLY.
2240 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2242 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2243 for call instruction with mode QImode.
2245 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2247 * Makefile.in (OBJS): Add timevar.o.
2248 (toplev.o): Depend on timevar.h.
2249 (ggc-simple.o): Likewise.
2250 (ggc-page.o): Likewise.
2251 (timevar.o): New rule.
2252 (timevar.h): New rule.
2254 * timevar.h: New file.
2255 * timevar.c: Likewise.
2256 * timevar.def: Likewise.
2258 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2259 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2261 (TIMEVAR): Remove macro.
2262 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2263 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2264 flow_time, combine_time, regmove_time, sched_time,
2265 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2266 sched2_time, dbr_sched_time, reorder_blocks_time,
2267 rename_registers_time, shorten_branch_time, stack_reg_time,
2268 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2270 (compile_file): Don't initialize time variables. Call
2271 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2272 of many calls to print_time.
2273 (rest_of_compilation): Add timing for reload_cse_regs.
2274 (get_run_time): Removed to timevar.c.
2275 (print_time): Likewise.
2276 (get_run_time): Implement using TV_TOTAL time variable.
2277 (print_time): Get total run time from get_run_time.
2278 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2279 computing elapsed time explicitly.
2280 * ggc-simple.c (ggc_collect): Likewise.
2281 (gc_time): Remove declaration.
2283 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2285 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2286 (expand_call): Use it.
2288 2000-04-27 Jan Hubicka <jh@suse.cz>
2290 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2293 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2295 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2298 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2300 * function.c (epilogue_done): Pass whole insn to record_insns.
2302 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2304 * cse.c (CSE_ADDRESS_COST): Remove.
2305 (find_best_addr): Add new parameter "MODE", use address_cost instead
2307 (address_cost): New.
2308 (fold_rtx): Update call of find_best_addr.
2309 * rtl.h (address_cost): Declare.
2310 * loop.c (general_induction_var): Add new parameter "MODE", use
2311 address_cost instead of ADDRESS_COST
2312 (init_loop): Use address_cost instead of ADDRESS_COST.
2313 (check_insn_for_givs): Update call of general_induction_var.
2314 (find_mem_givs): Likewise.
2315 (consec_sets_giv): Likewise.
2316 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2317 * i386.c (ix86_address_cost): New.
2318 * i386-protos.h (ix86_address_cost): Declare.
2320 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2322 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2325 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2327 * expr.c (store_expr): Use clear_storage instead of direct memset
2330 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2332 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2333 ASHIFT, AND and LABEL_REF.
2335 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2337 * invoke.texi (-foptimize-sibling-calls): Fix.
2339 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2341 * loop.c (load_mems) Don't use hard registers for the hoisting.
2343 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2344 calculation; rename const_equiv array in the preconditioning code
2345 from loop_unroll to loop_unroll_precondition
2347 2000-04-27 Richard Henderson <rth@cygnus.com>
2349 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2351 (propagate_one_insn): Clear it. Don't update reg_live here.
2352 (init_propagate_block_info): Update for pbi member changes.
2353 (free_propagate_block_info): Likewise.
2354 (mark_set_1): Know that zero_extract, sign_extract, and
2355 strict_low_part don't kill their argument. Alter hard subregs.
2356 Update new_set for non-CLOBBER sets. Update reg_live.
2357 (find_auto_inc): Update reg_live, not new_dead.
2358 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2359 to determine if the reg in question was set this insn. Only update
2360 reg info with PROP_REG_INFO.
2362 2000-04-26 Richard Henderson <rth@cygnus.com>
2364 * flow.c (allocate_reg_life_data): Set max_regno here ...
2365 (life_analysis): ... not here.
2367 * flow.c (calculate_global_regs_live): Force stack pointer
2370 2000-04-26 Richard Henderson <rth@cygnus.com>
2372 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2373 commit change group changes.
2374 (invert_exp_1): Similarly.
2375 (redirect_exp, invert_exp): Use them.
2376 (redirect_jump_1): New.
2377 (invert_jump_1): New.
2378 (jump_optimize_1): Remove code subsumed by condexec.c.
2379 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2381 2000-04-26 Richard Henderson <rth@cygnus.com>
2383 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2385 * genconfig.c (main): Set all HAVE_foo to 1.
2387 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2389 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2391 * invoke.texi: Document -fssa flag.
2393 2000-04-26 Richard Henderson <rth@cygnus.com>
2395 * flow.c (count_reg_sets_1): Remove.
2396 (count_reg_sets, count_reg_references): Remove.
2397 (recompute_reg_usage): Implement with update_life_info.
2398 Reallocate life data.
2400 2000-04-26 Richard Henderson <rth@cygnus.com>
2402 * flow.c (update_life_info): Consider blocks null to mean the
2404 (calculate_global_regs_live): Likewise.
2405 (life_analysis): Do that instead of collecting all_blocks.
2407 2000-04-26 Richard Henderson <rth@cygnus.com>
2409 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2410 a still-valid conditional jump.
2412 2000-04-26 Richard Henderson <rth@cygnus.com>
2414 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2416 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2417 * flow.c (calculate_loop_depth): Remove.
2418 * output.h (calculate_loop_depth): Don't declare.
2419 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2420 inline; run estimate_probability at the same time.
2422 2000-04-26 Neil Booth <NeilB@earthling.net>
2424 * cpplib.h: "~=" is not a single pp-token.
2425 * cpplex.c: Correct commentary.
2427 2000-04-26 Richard Henderson <rth@cygnus.com>
2429 * flow.c (mark_set_1): New arguments code and flags; update all
2430 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2431 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2432 loop_depth when optimizing for size. Do new_dead update after
2433 emitting REG_UNUSED notes. Merge mark_set_reg code.
2434 (mark_set_reg): Remove.
2435 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2436 arrange to not emit REG_UNUSED notes.
2438 2000-04-26 Richard Henderson <rth@cygnus.com>
2440 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2441 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2443 2000-04-26 Richard Henderson <rth@cygnus.com>
2445 * flow.c (propagate_one_insn): Break out from propagate_block.
2446 (init_propagate_block_info): Likewise.
2447 (free_propagate_block_info): Likewise.
2448 (propagate_block): Use them. Export.
2449 * basic-block.h: Declare them all.
2451 2000-04-26 Richard Henderson <rth@cygnus.com>
2453 * basic-block.h (life_analysis): Declare here ...
2454 * output.h: ... not here.
2455 * flow.c (life_analysis): Remove nregs parameter; replace
2456 remove_dead_code with flags. Remove ssa dead code check.
2457 Only init alias analysis if we'll use it.
2458 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2459 * ssa.c (convert_to_ssa): Likewise.
2460 (convert_from_ssa): Likewise.
2461 * toplev.c (rest_of_compilation): Likewise.
2463 2000-04-26 Richard Henderson <rth@cygnus.com>
2465 * flow.c (flow_delete_block): Rename from delete_block. Export.
2466 * basic-block.h (flow_delete_block): Declare.
2468 2000-04-26 David S. Miller <davem@redhat.com>
2470 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2471 taking a PATTERN of it.
2473 2000-04-26 <NeilB@earthling.net>
2475 * cpplex.c (spell_other, spell_char): Remove.
2477 (token_spelling, trigraph_map): Use unsigned chars.
2478 (_cpp_lex_line): Tidy up the switch statement.
2479 * cpplib.h: Implement spell_char with spell_string.
2482 2000-04-26 <RodneyBrown@pmsc.com>
2484 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2485 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2487 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2489 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2490 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2491 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2492 dwarf2out_return_save, dwarf2out_return_reg,
2493 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2494 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2495 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2497 * dwarf2out.h (dwarf2out_init): Likewise.
2499 * dwarfout.c (filename_entry, primary_filename, last_filename,
2500 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2502 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2503 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2504 dwarf2out_return_reg): Likewise.
2506 2000-04-26 Andreas Jaeger <aj@suse.de>
2508 * extend.texi (Function Attributes): Fix description of pure
2511 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2513 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2514 before calling rest_of_compilation.
2516 2000-04-26 Andreas Jaeger <aj@suse.de>
2518 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2521 2000-04-25 Richard Henderson <rth@cygnus.com>
2523 * cse.c (cse_insn): Emit barrier after unconditional jump.
2525 * calls.c (expand_call): Disable tail call generation once
2526 rtx_equal_function_value_matters is false.
2528 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2531 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2533 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2535 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2537 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2538 is the primary DIE for a member function.
2539 (gen_decl_die): Call set_decl_origin_self here.
2540 * dwarfout.c (output_decl): And here.
2541 * integrate.c (output_inline_function): Not here.
2542 Don't clear DECL_INLINE until after calling rest_of_compilation.
2543 (set_decl_origin_self): No longer static.
2544 * tree.h: Add prototype.
2545 * toplev.c (note_deferral_of_defined_inline_function): Only write
2546 out abstract instance for actual inlines.
2548 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2550 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2551 EXTENDED_REGS only if TARGET_AM33.
2552 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2553 SP_REGS to register allocation and reloading unless absolutely
2555 (movsi3): Remove special-case of adding non-constants to SP.
2557 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2559 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2560 INCLUDES to search and does not provide any of its own. Also it
2561 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2562 parameters. Also it does not call AC_DEFINE.
2563 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2564 AC_DEFINE and provides for automatic entries for autoheader.
2565 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2567 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2568 so we can pass -I flags and include gansidecl.h/system.h in this
2571 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2573 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2575 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2576 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2577 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2579 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2580 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2581 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2582 for these macros. Clean up spacing and linewraps.
2584 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2586 * calls.c (expand_call): Use get_callee_fndecl.
2588 * print-tree.c (print_node): Print the chain of an _EXPR.
2590 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2591 Jim Wilson <wilson@cygnus.com>
2592 Andrew Haley <aph@cygnus.com>
2594 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2595 and gp save/restore problems.
2596 * config/ia64/crtend.asm: Add IA-64 unwind support.
2597 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2598 in fr_pad_size calculation.
2599 (save_restore_insns): Move PR save area. Correct uses of
2600 RTX_FRAME_RELATED_P.
2601 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2602 (ia64_expand_epilogue): Add eh_epilogue support.
2603 (ia64_function_prologue): Emit .prologue directive.
2604 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2605 (ia64_override_options): Set init_machine_status and
2606 mark_machine_status.
2607 (rtx_needs_barrier): Handle bsp reads and writes.
2608 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2609 New static variables.
2610 (process_set, process_for_unwind_directive): New functions.
2611 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2612 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2613 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2615 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2616 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2617 (struct machine_function): Define.
2618 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2620 2000-04-25 Bruce Korb <bkorb@gnu.org>
2622 * fixinc/Makefile.in: make the removal of old programs more
2624 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2625 install-bin and install-sh
2627 2000-04-25 Nick Clifton <nickc@cygnus.com>
2629 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2630 defined, define to return zero.
2631 (function_cannot_inline_p): If a function has any target
2632 specific attributes, then use the macro
2633 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2634 whether it can be inlined. If it cannot, issue a suitable
2637 * tm.texi: Add a new node 'Inlining' to document the new macro
2638 FUNCTION_ATTRIBUTE_INLINABLE_P.
2640 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2642 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2645 2000-04-25 Neil Booth <NeilB@earthling.net>
2647 Restore previous patch, plus the following fixes:
2649 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2650 flags, not CPP_OPEN_PAREN.
2651 * cpplex.c (expand_token_space, init_token_list,
2652 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2653 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2655 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2657 * config/i386/freebsd.h (INT_ASM_OP): Define.
2659 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2661 * loop.c (strength_reduce): Fix typo in the last checkin.
2663 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2665 * stor-layout.c (finalize_record_size): Simplify to use existing
2667 (compute_record_mode): No longer static.
2668 * tree.h (compute_record_mode): New declaration.
2670 2000-04-25 Neil Booth <NeilB@earthling.net>
2672 * Revert my patch below until cause of build failures
2675 2000-04-25 Richard Henderson <rth@cygnus.com>
2677 * combine.c (combine_instructions): Add missing argument
2680 * toplev.c (rest_of_compilation): Delay sibcall optimization
2681 until after emit_eh_context.
2683 2000-04-24 Nick Clifton <nickc@redhat.com>
2685 * combine.c (combine_instructions): Do not try to combine a
2686 sequence of insns when the second insn has been replaced by a
2689 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2691 * gcc.c (load_specs): New static function.
2692 (read_specs): Use it.
2694 * gcc.c (lookup_compiler): Make multiple passes for case
2695 insensitive filesystems.
2697 2000-04-24 Neil Booth <NeilB@earthling.net>
2699 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2700 * cpphash.h (_cpp_check_directive): new.
2701 * cpplex.c (handle_newline, cpp_free_token_list,
2702 init_trigraph_map, trigraph_ok, trigraph_replace,
2703 backslash_start, skip_block_comment, skip_line_comment,
2704 skip_whitespace, parse_name, parse_number, parse_string,
2705 copy_comment, _cpp_lex_line, spell_char, spell_string,
2706 spell_comment, spell_name, spell_other, _cpp_lex_file,
2707 _cpp_output_list): new.
2708 (expand_name_space): take length argument.
2709 (init_token_list): add comment list initialisation.
2710 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2711 instead of HSPACE_BEFORE.
2713 * cpplib.c (_cpp_check_directive): new
2714 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2715 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2716 (HSPACE_BEFORE): delete.
2717 (TTYPE_TABLE): rearrange.
2718 (struct cpp_toklist): update.
2720 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2723 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2724 argument form of AC_DEFINE.
2726 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2727 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2728 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2729 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2730 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2732 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2734 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2736 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2737 deduced.h): Use -isystem, not -I, for including system headers.
2739 2000-04-24 Nick Clifton <nickc@cygnus.com>
2741 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2742 the source register is the frame pointer or arg pointer.
2743 (addsi3_small_int): Disallow if source register is the frame
2744 pointer or arg pointer.
2746 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2748 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2749 call to AC_MSG_RESULT.
2751 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2753 * invoke.texi: Correct grammatical errors, document
2754 -fno-gnu-keywords as identical to -fno-asm for C++.
2756 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2758 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2759 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2760 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2761 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2762 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2764 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2765 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2766 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2767 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2770 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2772 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2773 (pop_alignment): Likewise.
2774 (handle_pragma_token): Likewise.
2776 2000-04-24 Robert Lipe <robertlipe@usa.net>
2778 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2780 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2782 * combine.c (try_combine): Update reg_nonzero_bits of
2783 newi2pat before newpat.
2785 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2787 * loop.c (strength_reduce): Simplify test to INSN_P.
2788 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2789 expressions instead of CONST_INT.
2790 (express_from_1): Likewise.
2792 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2794 * regs.h (reg_n_max): Don't declare.
2795 * flow.c (reg_n_max): Don't define.
2796 * regclass.c (renumber): Don't initialize to zero.
2797 (regno_allocated): Likewise.
2798 (reg_n_max): Define.
2799 (allocate_reg_info): Don't initialize unnecessarily.
2801 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2803 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2804 and blockage_p in the newly allocated attribute.
2806 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2808 * config/mn10300/mn10300.md (addsi): `inc4' on address
2809 registers does not modify cc, but `inc' on an extended
2812 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
2814 * reload.c (find_equiv_reg): Checks all valueno regs
2815 as a reload_reg_p regs.
2817 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2819 * cpphash.c (collect_objlike_expansion): Add sanity check.
2820 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
2821 the buffer is the empty string, return. Mark __DATE__ and
2822 __TIME__ as XCONST nodes, not MCONST.
2823 (_cpp_macroexpand): Avoid pushing an empty buffer.
2824 (funlike_macroexpand): Don't pop token_buffer here.
2826 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
2828 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
2829 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
2830 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
2831 (REGNO_OK_FOR_BASE_P): Define in terms of them.
2832 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
2833 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
2834 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
2836 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2838 * loop.c (simplify_giv_expr): Be more agressive on simplifying
2841 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2843 * cpphash.h (struct definition): Move file, line, col members...
2844 (struct hashnode): ... here. Also add 'disabled' flag.
2845 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
2846 T_IDENTITY. Remove T_DISABLED.
2849 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
2850 (collect_expansion): Split into collect_objlike_expansion and
2851 collect_funlike_expansion.
2852 (_cpp_macroexpand): Split out scan_arguments, stringify, and
2853 funlike_macroexpand.
2854 (_cpp_compare_defs): Rename compare_defs, make static.
2855 (_cpp_make_hashnode): Initialize hp->disabled.
2856 (macro_cleanup): Adjust for new token types. Clear
2858 (_cpp_create_definition): Move code here to determine what
2859 sort of macro it is, and code to check for redefinitions, from
2860 do_define. Implement a few simple cases without creating a
2862 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
2863 Handle the simple cases.
2864 (push_macro_expansion): Set buf->has_escapes and hp->disabled
2867 * cppinit.c (builtin_array): Change MCONST to XCONST
2869 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
2870 fix check for disabled and function-like macros.
2871 * cpplib.c (do_define): Move most logic to
2872 _cpp_create_definition.
2873 (do_undef): Handle new special token types.
2875 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
2877 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
2878 of CONSTANT_P for mult_val; always use validate_change to update insn.
2880 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
2882 * cpphash.c (trad_stringify, add_pat): New functions.
2883 (collect_expansion): Restore support for -traditional syntax.
2884 Use trad_stringify and add_pat.
2885 (_cpp_macroexpand): Restore support for -traditional semantics.
2886 * cpplex.c (_cpp_scan_line): Don't change space_before if we
2887 get a COMMENT token.
2888 (_cpp_lex_token): Provide COMMENT tokens to caller if
2889 traditional and parsing_define_directive.
2890 (skip_comment): Warn about // comments if -Wtraditional.
2891 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
2893 (do_undef): Don't warn about undefining EMPTY nodes.
2895 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2897 * loop.c (strength_reduce): Fix biv removal code.
2899 2000-04-22 Richard Henderson <rth@cygnus.com>
2901 * predict.c (estimate_probability): Examine both sides of
2902 a branch for no exits. Use 90% not 50% for predict taken.
2903 Reorg for one copy of note generation code.
2905 2000-04-22 Richard Henderson <rth@cygnus.com>
2907 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
2909 2000-04-22 Richard Henderson <rth@cygnus.com>
2911 * diagnostic.c (init_output_buffer): Don't initialize format_args.
2912 (output_clear): Likewise.
2913 (output_printf): Use va_copy.
2914 (vline_wrapper_message_with_location): Likewise.
2915 (v_message_with_decl): Likewise.
2916 (line_wrapper_printf): VA_START infor buffer.format_args directly.
2917 * system.h (va_copy): Provide default implementation.
2919 2000-04-22 Richard Henderson <rth@cygnus.com>
2921 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
2922 the collected condition is not a constant.
2924 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
2926 * diagnostic.h: New file.
2928 * Makefile.in (diagnostic.o): Depends on diagnostic.h
2930 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
2931 various function prototypes.
2932 (diagnostic.h): #include.
2933 (struct output_buffer): Move into diagnostic.h.
2934 (get_output_prefix): Rename to output_get_prefix. Export.
2935 (init_output_buffer): Export. Break out. Ajust intialization.
2936 (output_space_left, output_append): Export.
2937 (output_newline): Rename to output_add_newline. Export.
2938 (output_clear): Nullify additional output_buffer fields.
2939 (output_puts): Rename to output_add_string. Export.
2940 (dump_output): Rename to output_flush_on. Export.
2941 (build_location_prefix): Constify return-type.
2942 (emit_output_prefix): Rename to output_emit_prefix. Export.
2943 (set_real_maximum_length): New function.
2944 (output_set_maximum_length): Ditto
2945 (output_clear): Ditto.
2946 (output_add_character): Ditto.
2947 (output_add_integer): Ditto.
2948 (output_add_space): Ditto.
2949 (output_format): Ditto.
2950 (output_printf): Adjust buffer initialization.
2951 (vline_wrapper_message_with_location): Ditto.
2952 (v_message_with_decl): Ditto. Adjust call to output_puts
2953 and get_output_prefix.
2954 (default_print_error_function): Adjust buffer intialization.
2956 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2958 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
2961 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
2963 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
2966 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2968 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
2969 accurate data about SP moves.
2971 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
2973 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
2974 aliases to AM33 registers.
2976 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2978 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
2979 to all EXTENDED bitmaps.
2981 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
2983 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
2984 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
2985 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
2987 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
2989 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
2990 the operand is not constant.
2992 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
2994 * reload.c (find_equiv_reg): Checks all valueno and regno regs
2995 as a call-clobbered regs.
2997 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2999 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3001 * rtl.def: Update comment.
3002 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3003 * integrate.c (expand_inline_function): Likewise.
3004 * profile.c (branch_prob): Likewise.
3005 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3006 * print-rtl.c (print_rtx): Likewise.
3007 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3008 (reemit_notes): Likewise; also use enum insn_note.
3010 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3011 (place_field): Properly compute know and actual alignment.
3013 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3016 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3019 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3021 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3022 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3023 (collect_expansion): Rewrite to scan over a token list.
3024 Remove -traditional support.
3025 (collect_formal_parameters): Rename to collect_params; rewrite
3026 to scan over a token list.
3027 (_cpp_create_definition): Adjust to scan a token list.
3028 (_cpp_macroexpand): Remove -traditional support.
3029 (_cpp_compare_defs): Whitespace is now canonicalized.
3030 (comp_def_part): Delete function.
3032 * cpphash.h: Update prototypes.
3033 * cpplex.c (init_token_list): Don't set lineno if there is no
3035 (pedantic_whitespace): New function.
3036 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3037 consume a newline. Use pedantic_whitespace.
3038 (_cpp_lex_token): Remove support for -traditional macros.
3039 (_cpp_get_define_token): Delete.
3040 (_cpp_get_directive_token): Do the real work here. Use
3041 pedantic_whitespace.
3042 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3044 * cpplib.c (get_macro_name): Delete.
3045 (do_define): Read the entire line into pfile->directbuf, then
3046 feed the token list to _cpp_create_definition.
3047 * cpplib.h (HSPACE_BEFORE): new define.
3048 (struct cpp_reader): Add a toklist member, "directbuf".
3050 * predict.c (estimate_probability): New heuristic: if a jump
3051 branches around a block with no successors, predict it taken.
3052 Disentangle control flow.
3054 2000-04-20 Richard Henderson <rth@cygnus.com>
3056 * loop.c (emit_iv_add_mult): Revert last change.
3058 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3060 * cpplib.h (enum cpp_ttype): Add token types for all
3061 punctuators. Distinguish pp-numbers from valid C numbers.
3062 Give some tokens better names. Initialize from macro.
3063 (struct cpp_name, cpp_token, cpp_toklist): New data
3066 * cpplex.c (bump_column, expand_name_space,
3067 expand_token_space, init_token_list, cpp_output_list,
3068 _cpp_scan_line): New functions.
3069 (output_line_command): Add third argument, new line number.
3070 * cpphash.h: Update prototypes.
3071 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3074 2000-04-20 Richard Henderson <rth@cygnus.com>
3076 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3078 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3080 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3083 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3085 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3086 REG_EQUAL note explaining the calculated value.
3088 * calls.c (expand_call): Avoid unnecesary precalculation
3089 and outgoing parameters space guarding for sibling calls.
3090 (store_one_arg): Likewise.
3092 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3094 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3095 (rest_of_compilation): Write sibling dump file and account
3096 for time as jump time.
3097 * invoke.texi: Update documentation on dump flags.
3099 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3101 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3103 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3105 * cpphash.c (special_symbol): Represent an empty macro with
3106 "\r \r " not just "\r ".
3107 (_cpp_macroexpand): Correct condition for the foo ( ) special
3109 (unsafe_chars): Handle EOF as second argument.
3110 (push_macro_expansion): Simplify test for removing escape at
3111 end. Do not trim both escapes if there is no text in between.
3113 2000-04-19 Jim Blandy <jimb@redhat.com>
3115 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3116 of PTR_SIZE, when appropriate.
3118 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3120 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3121 (USE_ENUM_BITFIELDS): Fix typo.
3123 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3125 * stor-layout.c (place_field): Set rli->offset_align properly.
3127 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3129 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3130 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3131 PARM_BOUNDARY): Remove unnecessary casts.
3133 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3135 * calls.c (precompute_arguments): Remove must_preallocate and
3137 (expand_call): Update call of precompute_arguments.
3139 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3140 check_insn_for_givs): Break out from ...
3141 (strength_reduce) ... here; use for_every_insn_in_loop to call
3142 check_insn_for_givs.
3143 * loop.h (for_every_insn_in_loop): Declare.
3144 (loop_insn_callback): New type.
3146 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3148 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3151 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3153 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3156 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3158 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3160 * configure.in: Delete --disable-cpplib option and all
3161 references to cpp_main.
3162 * configure: Regenerate.
3163 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3164 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3165 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3166 cpp$(exeext). Add --no-headers to makeinfo command line when
3167 generating INSTALL. Install and uninstall cpp.1 manpage, not
3169 * install.texi: Delete all references to cexp.y/cexp.c.
3170 Delete ancient instructions for compiling GCC on 3b1.
3171 * INSTALL: Regenerate.
3173 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3174 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3175 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3177 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3178 which is no longer tested anywhere.
3180 * cppinit.c (handle_option): Don't run error message through
3183 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3185 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3186 * cpperror.c (hashtab.h): Now include.
3187 * cppexp.c (hashtab.h): Likewise.
3188 * cpplex.c (hashtab.h): Likewise.
3189 * cppfiles.c (hashtab.h): Likewise.
3190 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3191 to htab_find_slot_with_hash.
3192 * cpphash.c (hashtab.h): Now include.
3193 (_cpp_lookup_slot): INSERT is now enum insert_option.
3194 * cpphash.h (_cpp_lookup_slot): Likewise.
3195 * cppinit.c (hashtab.h): Include earlier.
3196 (initialize_builtins): Pass enum to htab_find_slot.
3197 * cpplib.c (hashtab.h): Now include.
3198 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3199 (do_pragma_poison, do_assert): Likewise.
3200 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3201 htab_find_slot_with_hash.
3202 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3203 * tree.c (type_hash_add): Likewise.
3204 (build1): Minor cleanup.
3206 * ggc-common.c: Add missing blanks.
3207 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3208 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3210 * stmt.c (mark_case_node): New function.
3211 (mark_case_nesting): Call it.
3213 * expmed.c (emit_store_flag): If comparing two-word integer
3214 with zero, can optimize NE, EQ, GE, and LT.
3216 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3217 * conflict.c: Minor cleanups.
3218 * optabs.c: Add blank line
3219 * simplify-rtx.c: Minor cleanups.
3221 2000-04-18 Stan Cox <scox@cygnus.com>
3223 * gengenrtl.c (genlegend): Fix misspelling.
3225 2000-04-18 Robert Lipe <robertlipe@usa.net>
3227 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3228 bitfields of the host compiler are not signed quantities.
3229 * config.in: Regenerate.
3230 * configure: Regenerate.
3231 * system.h (USE_ENUM_BITFIELDS): Added.
3232 (ENUM_BITFIELDS): Added.
3233 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3234 (SHORT_ENUM_BUG): Deleted.
3235 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3237 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3238 (CODE_FIELD_BUG): Likewise.
3239 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3241 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3243 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3245 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3248 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3250 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3251 * cpplib.c (do_include, do_import, do_include_next,
3252 read_line_number, detect_if_not_defined): Likewise.
3253 * cpphash.c (collect_expansion): Likewise.
3254 (special_symbol, _cpp_macroexpand): Check return from
3256 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3257 macros. Delete all uses.
3259 * gcc.dg/cpp-mi.c: Add two more test cases.
3260 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3262 2000-04-17 Richard Henderson <rth@cygnus.com>
3264 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3265 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3267 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3269 * function.c (expand_function_start): Use hard_function_value to
3270 compute the RTL to use for DECL_RESULT.
3272 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3274 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3275 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3276 x86_memory_mismatch_stall): New global variables.
3277 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3278 alloved; fix load penalties for Athlon.
3279 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3280 x86_memory_mismatch_stall): Declare.
3281 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3282 TARGET_MEMORY_MISMATCH_STALL): New.
3283 * i386.md (athlon scheduling parameters): Fix latencies according to
3284 Athlon Optimization Manual.
3285 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3287 (fsqrt instruction patterns): Set athlon_decode to direct.
3288 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3289 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3290 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3291 and TARGET_PARTIAL_REGISTER_STALL machines.
3292 (pushdf_nointeger): New pattern.
3293 (pushdf_integer): Rename from pushdf.
3294 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3295 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3297 2000-04-17 Richard Henderson <rth@cygnus.com>
3299 * loop.c (canonicalize_condition): Add WANT_REG argument.
3300 Stop the search if we match it.
3301 * expr.h (canonicalize_condition): Update decl.
3302 * predict.c (expected_value_to_br_prob): Use it. Track last
3303 expected value note.
3304 (find_expected_value): Remove.
3306 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3308 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3310 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3311 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3313 * configure.in: Call AC_FUNC_MMAP_FILE.
3314 * configure: Regenerate.
3315 * config.in: Regenerate.
3317 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3318 * fixinc/fixincl.c: Likewise.
3320 2000-04-17 Richard Henderson <rth@cygnus.com>
3322 * builtins.c (expand_builtin_expect): New.
3323 (expand_builtin): Call it.
3324 * builtins.def (BUILT_IN_EXPECT): New.
3325 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3326 * extend.texi: Document it.
3328 * predict.c (expected_value_to_br_prob): New.
3329 (find_expected_value): New.
3330 * basic-block.h (expected_value_to_br_prob): Declare.
3331 * toplev.c (rest_of_compilation): Invoke it.
3333 * rtl.h (NOTE_EXPECTED_VALUE): New.
3334 (NOTE_INSN_EXPECTED_VALUE): New.
3335 * rtl.c (note_insn_name): Update.
3336 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3337 cases; handle NOTE_INSN_EXPECTED_VALUE.
3339 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3341 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3342 leaf sibcall delay slot if flag_pic.
3343 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3345 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3347 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3349 * fixproto: If fix-header fails, exit with an error.
3351 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3353 * cse.c (struct check_depdendence_data): New.
3354 (check_dependence): New function.
3355 (invalidate): Use check_depdenence.
3357 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3359 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3360 UNITS_PER_WORD is unsigned.
3362 * tree.h (struct tree_common): Remove misleading comment.
3364 2000-04-16 Dave Pitts <dpitts@cozx.com>
3366 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3367 message in quotes. Otherwise, IBM's make program treats the '#' as the
3368 start of a comment and ignores the remainder of the line.
3370 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3372 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3373 * cexp.y (initialize_random_junk): Likewise.
3374 * cppfiles.c (find_include_file): Cast alloca return value.
3375 * cppinit.c (initialize_standard_includes): Likewise.
3376 * cpplib.c (cpp_define, cpp_undef): Likewise.
3377 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3378 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3379 * fold-const.c (CHARMASK): New.
3380 (real_hex_to_f): Use it.
3381 * real.c (CHARMASK): New.
3382 (etoasc, asctoeg): Use it.
3383 (asctoeg): EBCDIC lower case characters preceed upper case.
3385 * i370.c (mvs_add_label): Change spacing for coding conventions.
3386 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3387 outputing case vectors.
3388 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3389 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3390 since vector in in the data CSECT.
3391 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3392 * i370.md (Many patterns): Put the length in the XL directives.
3393 (movdi): Put back STM and MVC in definition.
3394 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3395 pattern using the TCA.
3396 * oe.h (CPP_SPEC): Added to allow trigraphs.
3397 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3398 not support the "long long" type.
3400 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3402 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3404 (mips_reg_mode_ok_for_base_p): Likewise.
3405 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3406 (REG_OK_FOR_INDEX_P): Define unconditionally.
3407 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3408 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3409 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3410 that GET_MODE_SIZE is unsigned.
3411 (mips_reg_mode_ok_for_base_p): Define.
3412 (mips_legitimate_address_p): Likewise. Adjust now
3413 that GET_MODE_SIZE is unsigned.
3414 (block_move_loop): Make the number of bytes unsigned.
3415 (expand_block_move): Likewise.
3416 (function_arg): Make the loop counter unsigned to match the
3419 2000-04-16 Richard Henderson <rth@cygnus.com>
3421 * rtl.h (enum insn_note): New enumeration. Subsume
3422 NOTE_INSN_DELETED and friends.
3423 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3424 * rtl.c (note_insn_name): Tweak string order.
3426 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3428 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3431 * cpplex.c (output_line_command): Remove debugging prints.
3432 (cpp_output_tokens): Don't write out a zero-length buffer or
3433 try to see if it has a newline in it.
3434 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3435 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3436 the end of the loop. Use memmove. Don't read past the end of
3437 the buffer. Remove trailing newlines from error messages.
3439 2004-04-16 Neil Booth <NeilB@earthling.net>
3441 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3442 * cpplib.c: Add new syntax flags to directive table, and
3445 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3447 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3450 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3452 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3453 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3455 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3457 * Makefile.in (ggc-page.o): Now includes toplev.h.
3458 * ggc-page.c (toplev.h): Now included.
3459 (gc_time): Remove declaration.
3460 (ggc_collect): TIME now long.
3461 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3463 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3465 * toplev.c: Make *_time variable long to reduce chance of overflow.
3466 (TIMEVAR): Likewise for `otime'.
3467 (print_time): Arg is now long; compute percentage in FP and round.
3468 * toplev.h (print_time): Arg is long.
3470 * tree.c: Minor whitespace changes.
3472 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3473 * configure: Rebuilt.
3474 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3475 (__fixunsxfDI): Renamed from __fixunsxfdi.
3476 (__fixunsdfDI): Renamed from __fixunsdfdi.
3477 (__fixunssfDI): Renamed from __fixunssfdi.
3478 (__floatdisf): Use proper type in REP_BIT macro.
3479 (__fixunsxfSI): Renamed from __fixunsxfsi.
3480 (__fixunsdfSI): Renamed from __fixunsdfsi.
3481 (__fixunssfSI): Renamed from __fixunssfsi.
3482 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3483 Change location of macros and upper-case some names as above.
3484 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3485 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3487 * varasm.c (assemble_variable): Add cast to remove warning.
3488 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3490 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3491 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3492 region number to -1.
3494 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3496 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3497 call unshare_all_rtl.
3499 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3501 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3503 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3504 Use .s1 not .s0 for all FP instructions.
3506 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3508 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3510 (safe_fwrite, output_line_command): New static functions.
3511 (cpp_expand_to_buffer): Now private to cpplib.
3512 (cpp_scan_buffer): Take a printer.
3514 * cpphash.h: Update prototypes.
3515 * cpplib.h: Update prototypes.
3517 (cpp_buffer): Remove last_nominal_fname.
3518 (cpp_reader): Remove lineno.
3520 * cppmain.c: Use a cpp_printer.
3521 * fix-header.c: No need to inhibit line commands. Call
3522 cpp_start_read with no printer.
3524 * cpperror.c (cpp_notice_from_errno): Provide default name.
3525 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3526 (find_include_file, cpp_read_file): Use make_IHASH.
3527 (file_cleanup): Set control_macro and clear
3528 input_stack_listing_current here.
3529 (_cpp_execute_include): Don't output entering-file marker.
3530 * cpphash.c (special_symbol): Look for the line number in the
3531 buffer, not the reader.
3532 (_cpp_macroexpand): No need to disable line commands.
3533 (_cpp_dump_definition): No need to generate line commands.
3534 (dump_hash_helper): Remove excess newline from output.
3535 * cppinit.c (dump_special_to_buffer): No need to generate line
3537 (cpp_printer_init): New.
3538 (cpp_start_read): Take a printer, and start it up if it's not
3539 NULL. No need to generate line commands.
3540 (cpp_finish): Expect no buffers stacked at all. Take a
3541 printer argument, and flush the output buffer if it's not
3543 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3544 Don't put two hashes at the beginning of an assertion.
3545 (cpp_get_token): Don't increment pfile->lineno or emit line
3546 commands here. Return EOF if there's no buffer when we get
3548 * cpplib.c (do_define, skip_if_group):
3549 No need to disable line commands.
3550 (_cpp_output_line_command): Delete function.
3551 (do_line): Don't emit line commands here, but set things up so
3552 they will be emitted if necessary. Use _cpp_fake_ihash to
3553 make unique nominal_fnames if necessary.
3554 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3555 with 0 for column, not -1.
3556 (_cpp_handle_eof): Don't set the control macro here. Don't
3557 clear input_stack_listing_current here. Don't emit line
3560 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3562 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3563 always, use the default SVR4 start address.
3565 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3566 (LINK_SHLIB_SPEC): Define.
3567 (LINK_START_DEFAULT_SPEC): Define.
3568 (LINK_OS_DEFAULT_SPEC): Define.
3570 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3572 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3573 __do_global_ctors to handle constructors.
3574 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3575 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3576 (STARTFILE_MVME_SPEC): Likewise.
3577 (STARTFILE_SIM_SPEC): Likewise.
3578 (ENDFILE_ADS_SPEC): Use crtend.
3579 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3580 (ENDFILE_MVME_SPEC): Likewise.
3581 (ENDFILE_SIM_SPEC): Likewise.
3582 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3583 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3584 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3585 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3586 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3587 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3588 (CRTSTUFF_T_CFLAGS_S): Define.
3589 * config/rs6000/eabi-ctors.c: Delete.
3591 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3594 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3598 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3600 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3601 plus mask size is smaller or equal to the mode size.
3603 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3605 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3608 * expr.c (reload.h): Now included.
3609 (emit_block_move): Set volatile_ok when checking for movstr.
3610 (emit_move_1): Check for replacements in addresses in multi-word case.
3611 * Makefile.in (expr.o): Now includes reload.h.
3613 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3614 Never have a LIBCALL end a basic block.
3615 (find_basic_blocks_1): Likewise.
3616 Reorganize CALL_INSN cases.
3618 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3620 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3622 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3623 completers from mov.ret instruction.
3625 2000-04-14 Richard Henderson <rth@cygnus.com>
3627 * fold-const.c (extract_muldiv): Don't distribute and widen
3628 multiply across plus for non-sizetype unsigned types.
3630 2000-04-14 Richard Henderson <rth@cygnus.com>
3632 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3633 If the original source is dead in the incr insn, it's dead now.
3635 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3637 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3638 see if DECL_BIT_FIELD needs to still be set.
3640 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3642 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3643 print_int_cst_octal with something that's not an INTEGER_CST.
3645 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3646 and not a SUBREG to a FLOAT rtl.
3648 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3650 * emit-rtl.c (try_split): Avoid infinite loop if the split
3651 results in a sequence that contains the original insn.
3653 2000-04-13 Andreas Jaeger <aj@suse.de>
3655 * config/mips/mips.c (expand_block_move): Pass alignment
3656 argument to move_by_pieces in bits, not bytes.
3658 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3659 __pic__ for little endian.
3661 2000-04-13 Andreas Jaeger <aj@suse.de>
3663 * config/i386/i386-protos.h: Add prototype for
3664 uno_comparison_operator.
3666 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3668 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3669 * calls.c (ECF_PURE): New flag.
3670 (emit_call_1): Handle ECF_PURE calls.
3671 (initialize_argument_information): Unset ECF_PURE flag too.
3672 (precompute_arguments): Precompute for ECF_PURE too.
3673 (expand_call): Handle ECF_PURE calls too.
3674 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3675 accept value of 2 as pure function.
3676 (emit_library_call_value, emit_library_call): Rename no_queue argument
3678 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3680 * tree.h (DECL_IS_PURE): New macro.
3681 (struct tree_decl): Add pure_flag.
3682 * c-common.c (enum attrs): Add attribute "pure".
3683 (init_attributes): Initialize attribute "pure"
3684 (decl_attributes): Handle attribute "pure".
3685 * extend.texi (Attribute "pure"): Document.
3686 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3688 (flags_from_decl_or_type): Support attribute "pure".
3690 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3692 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3693 the token except for numbers and identifiers.
3695 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3697 * i386.c (ix86_expand_binary_operator,
3698 ix86_expand_unary_operator): Check no_new_pseudos
3699 instead of reload_in_progress and reload_completed.
3700 (ix86_split_ashldi, ix86_split_ashrdi,
3701 ix86_split_lshrdi): Check no_new_pseudos instead
3702 of reload_completed.
3704 2000-04-12 Jeffrey A Law (law@cygnus.com)
3706 * function.c (purge_addressof): Unshare any shared rtl created by
3707 purge_addressof and its children.
3709 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3711 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3714 2000-04-05 Andreas Jaeger <aj@suse.de>
3716 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3717 not compiling PIC code, add flags for mabi=64.
3718 (SUBTARGET_CPP_SIZE_SPEC): New.
3719 (SUBTARGET_CPP_SPEC): New.
3720 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3721 for MIPS/Linux and lots of code needs these defines.
3723 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3725 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3726 trying the "opposite arithmetic" approach.
3728 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3730 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3731 (struct sh_args): Add new field force_mem.
3732 (INIT_CUMULATIVE_ARGS): Initialize it.
3733 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3735 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3737 * calls.c (expand_call): Do not reverse args in "equal from" field.
3738 (emit_library_call_value_1): Emit_libcall_block for const and pure
3741 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3743 * reload1.c (reload_combine): Don't enable optimization for fixed
3744 registers when encountering a BARRIER.
3746 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3748 * builtins.c (expand_builtin_memcmp): Do expansion even with
3749 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3751 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3752 stack is propertly aligned; add sanity checking for aligned
3754 (expand_library_call_value_1): Add sanity checking for aligned
3757 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3759 * calls.c (emit_library_call_value_1): Change 3rd arg to
3760 locate_and_pad_parm to disregard the setting of partial.
3762 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3764 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3766 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3767 CALL_INSN from the normal case.
3769 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3771 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3772 New global variables.
3773 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3775 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3777 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3778 TARGET_ADD_ESP_8): New macros.
3779 * i386.md: Add peep2s to convert esp adjustments to push and pop
3781 (pushsi_prologue, popsi_epilogue): New patterns.
3783 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3785 * real.c (toe64): Remove stale #endif from the last change.
3787 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3789 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3790 * real.c (toe64): Revert previous change.
3792 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3794 * objc/objc-act.c: Include ggc.h.
3795 (objc_tree_index, objc_global_trees): Convert most of the
3796 static tree variables into a static array with previous names
3798 (objc_ellipsis_node): New variable.
3799 (lang_init): Call objc_act_parse_init and c_parse_init.
3800 Create objc_ellipsis_node.
3801 (build_selector_translation_table): Use objc_ellipsis_node instead
3803 (hack_method_prototype): Likewise.
3804 (get_arg_type_list): Likewise.
3805 (start_method_def): Likewise.
3806 (continue_method_def): Likewise.
3807 (gen_method_decl): Likewise.
3808 (ggc_mark_imp_list): New function.
3809 (ggc_mark_hash_table): New function.
3810 (objc_act_parse_init): New function.
3811 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
3812 * c-parse.in (c_parse_init): For objc add roots of objc specific
3813 local tree variables.
3814 * objc/objc-parse.y: Rebuilt.
3815 * objc/objc-parse.c: Rebuilt.
3816 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
3818 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
3820 * cse.c (delete_trivially_dead_insns): Also delete insns
3821 that copy a register to itself where the destination is
3824 2000-04-11 Richard Henderson <rth@cygnus.com>
3826 * flow.c (struct propagate_block_info): Add new_dead, new_live.
3827 (propagate_block): Initialize them. Use them in parallel instead
3828 of one tmp variable, ie revert much of the 0408 and 0407 functional
3829 changes, but keep the structural changes.
3830 (mark_set_regs): Take new_dead from propagate_block_info instead.
3831 (mark_set_1, mark_set_reg): Likewise.
3832 (mark_used_regs): Likewise with new_live.
3833 (mark_used_reg): Likewise. Revert 0408 change.
3835 2000-04-11 Nick Clifton <nickc@cygnus.com>
3837 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
3839 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
3841 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3843 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
3844 const section to output a CONSTRUCTOR based on the same conditions
3847 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
3849 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
3850 * pa/pa-protos.h (output_call): Add additional argument indicating
3851 if the call is a sibling/tail call.
3852 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
3853 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
3854 (function_arg, function_arg_partial_nregs): Likewise
3855 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
3856 (emit_move_sequence): Zero extend certain constants as needed
3858 (compute_zdepdi_operands, output_64bit_and): New functions.
3859 (output_64bit_ior, function_arg): Likewise.
3860 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
3861 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
3862 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
3863 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
3864 (output_bvb): Likewise.
3865 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
3866 (output_call): New argument 'sibcall'. Generate sibcall sequences
3868 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
3869 (ouput_arg_descriptor): Do not emit argument descriptors for
3871 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
3873 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
3874 (FUNCTION_OK_FOR_SIBALL): Define.
3875 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
3876 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
3877 (CPP_SPEC): Use new spec infrastructure.
3878 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
3879 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
3880 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
3881 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
3882 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
3883 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
3884 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3885 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
3886 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
3887 (FUNCTION_ARG); Call out to C code.
3888 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
3889 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
3890 (MIN_UNITS_PER_WORD): Likewise.
3891 * pa/pa.md (cmpdi): New expander.
3892 (scc patterns, movstrsi): Not available for TARGET_64BIT.
3893 (64bit conditional arithmetic): New patterns.
3894 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
3895 (movsicc): Not available if modes on all the operands to not match.
3896 (movdicc): New expander and associated patterns.
3897 (64bit branches): New patterns.
3898 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
3899 (pre_ldd, post_std): New patterns.
3900 (64bit addil, load low part): New patterns.
3901 (special movsf constant): Not available for TARGET_64BIT.
3902 (movsf, movdf expanders): Force constants into memory.
3903 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
3904 (64bit movdf/movdi patterns): New patterns.
3905 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
3907 (extendqidi2, extendhidi2, extendsidi2): Similarly.
3908 (adddi3 expander): Allow "arith_operand" for second input.
3909 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
3910 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
3911 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
3912 (muldi3): New expander for TARGET_64BIT.
3913 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
3915 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
3916 patterns for TARGET_64BIT.
3917 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
3918 patterns for TARGET_64BIT.
3919 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
3920 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
3921 (sibcall_epilogue): New expander.
3922 (casesi): Tweak for TARGET_64BIT.
3923 (call expanders): Set & use the outgoing argument pointer. Use the
3924 64bit call patterns as needed. Add additional arg to output_call.
3925 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
3926 (sibcall, sibcall_internal_symref): New expanders.
3927 (sibcall_value, sibcall_value_internal_symref
3928 (interspace_jump): Turn into an expander + matching patterns.
3929 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
3930 * pa/pa64-regs.h: Eliminate trigraph sequences.
3931 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
3933 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
3935 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
3936 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
3937 cpp_token with cpp_ttype everywhere.
3938 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
3939 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
3940 CPP_BUF_COL. Line and column numbers are unsigned int, not
3942 * cpplex.c (cpp_buf_line_and_col): Delete.
3943 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
3944 'long lineno' to 'unsigned int lineno'.
3945 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
3947 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3949 * extend.texi: ISO C99 is not a draft anymore.
3950 * invoke.texi: ISO C++ is not a draft anymore.
3951 * cpp.texi: __cplusplus is required by the ISO standard.
3953 * extend.texi (-fthis-is-variable): Undocument.
3954 * flags.h (warn_template_debugging): Remove declaration.
3955 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
3956 -Wenum-clash, -Wtemplate-debugging): Undocument.
3958 2000-04-10 Nick Clifton <nickc@cygnus.com>
3960 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
3962 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
3964 (ARM_SIGN_EXTEND): Use HOST_UINT.
3965 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
3966 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
3967 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
3968 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
3970 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
3971 (arm_gen_constant): Use HOST_UINT.
3972 (arm_canonicalize_constant): Use HOST_UINT.
3973 (arm_reload_in_hi): Use HOST_UINT.
3974 (arm_reload_out_hi): Use HOST_UINT.
3975 (output_multi_immediate): Use HOST_UINT.
3976 (int_log2): Use HOST_UINT.
3977 (arm_poke_function_name): Use HOST_UINT.
3978 (arm_output_epilogue): Use arm_volatile_func().
3979 (output_thumb_prologue): Use arm_strip_name_encoding().
3981 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3983 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
3984 of sequence point problems.
3986 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
3988 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
3990 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
3992 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3994 * sbitmap.h: Whitespace changes and use upper-case macro args.
3995 (struct simple_bitmap_def): All sizes now unsigned.
3996 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
3997 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
3998 (sbitmap_vector_alloc): Parms and local vars now unsigned.
3999 (sbitmap_zero): Cast bzero arg to PTR.
4000 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4001 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4002 loop to make structure clearer.
4003 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4004 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4005 (sbitmap_a_and_b_or_c): Likewise.
4006 (sbitmap_intersection_of_succs): Minor cleanups.
4007 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4008 (sbitmap_union_of_preds): Likewise.
4009 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4010 (debug_sbitmap): New function.
4012 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4013 * c-typeck.c (convert_for_assignment): Likewise.
4015 * expmed.c (init_expmed): Don't free objects we make.
4016 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4018 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4019 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4021 * gcse.c (expr_hash_table_size): Now unsigned.
4022 (compute_ae_gen): Local variable `i' now unsigned.
4023 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4024 (compute_transout, hoist_code): Likewise.
4025 (compute_local_properties): Likewise, also hash_table_size.
4026 (alloc_expr_hash_table): N_INSNS now unsigned.
4027 (delete_null_pointer_checks): Mark arg F as unused.
4029 * regrename.c: Minor cleanups, including chang some variables
4032 2000-04-10 Neil Booth <NeilB@earthling.net>
4034 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4036 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4038 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4040 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4041 __classof__, and __headof__ from the list of gnu keywords.
4042 (-ansi): Remove -foperator-names from list of implied options.
4043 Do not call it ANSI C++.
4044 (-foperator-names): Document as -fno-operator-names.
4046 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4048 * cpphash.c (timestamp): Delete.
4049 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4050 (special_symbol): Remove unnecessary braces. Remove
4051 T_VERSION. Treat T_STDC like T_CONST unless
4052 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4053 when one is encountered, then convert them into T_MCONST
4055 * cppinit.c (builtin_array): version_string is T_MCONST.
4056 __STDC__ has a "1" in its cpval. Don't have a terminator
4057 entry. Clean up which entries are dumped.
4058 (initialize_builtins): Only __STDC__ gets the special
4059 -traditional treatment. Count the length of builtin_array.
4060 Render version_string here.
4061 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4062 * cpplib.h (struct cpp_reader): Remove timebuf.
4064 2000-04-09 Richard Henderson <rth@cygnus.com>
4066 * genrecog.c (pred): Update comparison_operator for the unordered
4069 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4071 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4072 (uno_comparison_operator): New.
4073 (put_condition_code): Handle UNORDERED/ORDERED.
4074 (unsigned_comparison): Likewise.
4075 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4076 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4077 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4078 update all callers. Handle all 8 unordered operators.
4079 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4080 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4081 * config/i386/i386.h (PREDICATE_CODES): Update.
4082 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4083 (ix86_expand_branch, ix86_expand_setcc): Update.
4084 * config/i386/i386.md (sunordered, sordered): New.
4085 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4086 (bunordered, bordered): New.
4087 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4088 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4089 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4091 2000-04-09 Philip Blundell <philb@gnu.org>
4093 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4095 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4097 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4098 fix_truncxfhi2): New patterns.
4099 * i386.c (output_fix_trunc): Handle converting to HImode.
4101 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4103 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4105 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4106 (for_each_successor_phi): Change parameter to basic_block.
4107 (coalesce_regs_in_successor_phi_nodes): Likewise.
4108 (coalesce_regs_in_copies): Likewise.
4109 (compute_coalesced_reg_partition): Use basic_block instead of index.
4110 * rtl.h (convert_to_ssa): Delete.
4111 (convert_from_ssa): Likewise.
4112 (successor_phi_fn): Likewise.
4113 (for_each_successor_phi): Likewise.
4114 (in_ssa_form): Likewise.
4115 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4116 (convert_from_ssa): Likewise.
4117 (successor_phi_fn): Likewise.
4118 (in_ssa_form): Likewise.
4119 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4120 * flow.c (calculate_global_regs_live): Pass a basic_block to
4121 for_each_successor_phi.
4123 2000-04-08 Richard Henderson <rth@cygnus.com>
4125 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4126 was modified in the current insn.
4128 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4130 * arm/thumb.md: Delete.
4131 * arm/thumb-protos.h: Delete.
4133 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4135 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4137 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4139 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4142 * arm.md (nop): Use the standard RTL expression. Don't code as a
4144 (*arm_nop, *thumb_nop): Delete.
4146 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4147 constants. Use casts instead.
4148 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4149 output_multi_immediate, arm_poke_function_name): Likewise.
4150 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4151 MASK_RETURN_ADDDR): Likewise.
4153 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4155 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4158 * arm.md (eh_epilogue): New function.
4159 * arm.h (struct machine_function): Move to here ...
4160 * arm.c: ... from here.
4161 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4162 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4163 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4165 2000-03-30 Nick Clifton <nickc@cygnus.com>
4167 * config/arm/semi.h (ASM_SPEC): Restore definition.
4168 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4170 * config/arm/elf.h (ASM_SPEC): Restore definition.
4171 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4173 * config/arm/arm.h (ASM_SPEC): Remove definition.
4174 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4176 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4178 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4180 2000-03-24 Nick Clifton <nickc@cygnus.com>
4182 Various formating tidyups, elimination of compile time
4183 warnings and synchronisation with internal sources:
4185 * config/arm/arm-protos.h (assemble_align): Add prototype.
4186 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4187 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4188 (arm_return_addr_rtx): Rename to arm_return_addr.
4190 * config/arm/arm.c: Include except.h.
4191 Define shorter typenames for strict minipool_node and struct
4193 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4195 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4196 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4198 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4200 (ASM_SPEC): Define if not already defined.
4201 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4203 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4204 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4205 arm_gen_compare_reg.
4206 (indirect_jump): Only accept register operands.
4207 (load_indirect_jump): Keep this pattern since combine can generate
4210 * config/arm/coff.h: Include aout.h.
4211 (MULTILIB_DEFAULTS): Only define if not already defined.
4213 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4214 into arm.h (so that COFF ports can support thumb based aliases).
4215 (ASM_SPEC): Move definition into arm.h
4217 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4218 redundant apcs spec.
4219 (ASM_SPEC): Move definition to arm.h
4221 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4223 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4224 for entries in the .bss section
4226 2000-03-23 Nick Clifton <nickc@cygnus.com>
4228 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4229 to thumb_far_jump_used_p.
4231 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4232 single integer parameter.
4234 * config/arm/arm.c (struct machine_function): Add two new
4235 fields, 'far_jump_used' and 'arg_pointer_live'.
4236 (thumb_far_jump_used_p): Once the decision has been made that
4237 far jumps might be used, always return true.
4238 If being called from the initial elimination offset macro then
4239 do not bother to perform the test if the arg pointer is not
4241 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4242 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4244 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4246 * arm.c (output_return_instruction): Handle more cases where we can
4247 return from a function with an ldr instruction.
4248 (arm_output_epilogue): Likewise.
4250 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4251 if we need to push a large stack frame and there are no callee-saved
4254 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4255 in ARM code if the frame pointer has been eliminated.
4257 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4258 unspec_volatile arguments to avoid duplicates.
4259 (consttable_1, consttable_2): Fixes for big-endian mode.
4261 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4264 Re-write constant pool code.
4265 * arm.c (minipool_node, minipool_fix): New types.
4266 (minifix): Delete type.
4267 (arm_add_minipool_constant): Delete.
4268 (arm_compute_minipool_offsets, arm_find_barrier,
4269 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4270 (get_jump_table_size): Now returns HOST_WIDE_INT.
4271 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4273 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4274 (assign_minipool_offsets, arm_print_value): Likewise.
4275 (dump_minipool): Rewrite.
4276 (arm_barrier_cost): New function.
4277 (create_fix_barrier): New function.
4278 (push_minipool_barrier): New function.
4279 (push_minipool_fix): Record additional information about the fixup
4281 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4282 check the mode of what needs fixing.
4283 (arm_reorg): Rewrite.
4285 2000-03-08 Nick Clifton <nickc@cygnus.com>
4287 * config/arm/arm.md (indirect_jump): Force constant addresses into
4290 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4292 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4294 2000-02-24 Nick Clifton <nickc@cygnus.com>
4296 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4297 adjust is word aligned.
4298 (thumb_expand_epilogue): Make sure that stack adjust is word
4301 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4303 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4305 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4306 pointer relative addresses.
4308 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4310 * arm.c (find_barrier): Find the last barrier within the allowed
4313 2000-02-09 Nick Clifton <nickc@cygnus.com>
4315 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4317 2000-02-09 Nick Clifton <nickc@cygnus.com>
4319 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4320 ARM_FUNCTION_PROFILER.
4322 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4323 ARM_FUNCTION_PROFILER.
4325 * config/arm/linux-oldld.h: Imported from mainline sources.
4327 2000-02-07 Nick Clifton <nickc@cygnus.com>
4329 * config/arm/lib1funcs.asm: Merge in thumb functions from
4332 * config/arm/lib1thumb.asm: Delete.
4334 2000-02-04 Nick Clifton <nickc@cygnus.com>
4336 * config/arm/arm.c: Sychronised with current Red hat local
4338 * config/arm/arm.h: Ditto.
4339 * config/arm/arm-protos.h: Ditto.
4341 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4343 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4345 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4348 2000-02-02 Nick Clifton <nickc@cygnus.com>
4350 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4352 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4353 (return) was emited using an emit_insn() call.
4355 2000-01-31 Nick Clifton <nickc@cygnus.com>
4357 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4359 (thumb_exit): Move frame pointer back into hard frame pointer
4360 register if backtracing is being used.
4362 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4364 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4367 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4369 * config/arm/arm.md (neg_pool_offset): Provide default for new
4371 (arm_movsi_insn): Add neg_pool_offset attribute.
4372 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4373 rtx for the insn that starts the scan and an unsigned long for its
4374 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4375 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4376 instructions in *PINSERTED.
4377 (struct minipool_fixup): Add MIN_ADDRESS elt.
4378 (sort_fixups): Compute it.
4379 (arm_reorg): Changes to support inserting pools before the insn to be
4382 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4384 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4385 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4386 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4388 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4390 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4392 (TARGET_DEFAULT): Do not define if already defined.
4394 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4396 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4397 (iordi3): Allow disjoint source operands.
4398 (xordi3): Allow disjoint source operands.
4399 (negdi2): Permit construction for ARM and Thumb.
4400 (arm_negdi2): Renamed version of old negdi2 pattern.
4401 (thumb_negdi2): New pattern: Only permit non-overlapping
4402 source and destination.
4404 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4406 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4407 scratch low register so that it will not be deleted.
4409 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4411 * config/arm/pe.h (ARM_PE): Define.
4413 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4414 interfacearm attribute if this is a PE toolchain.
4415 (output_return_instruction): Do not emit anything if the function
4416 has the naked attribute set.
4417 (is_called_in_ARM_mode): If the function has the interfacearm
4418 attribute then return true.
4419 (thumb_expand_prologue): Do not generate a prologue for naked
4421 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4423 (output_thumb_prologue): Do not bother if the function is naked.
4424 Strip PE encoding from function name before emitting.
4426 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4428 * arm.md (pic_load_addr): Fix constraints.
4430 * arm.md (casesi_insn): Fix mis-applied patch.
4432 * arm.md ("core" function unit): Add rules for single- and
4434 (All TARGET_THUMB patterns): Add "type" attribute information
4436 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4437 the following insn is a CALL.
4439 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4441 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4442 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4443 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4445 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4447 * config/arm/linux-gas.h: oops - this file was missed out when the
4448 branch was created...
4450 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4452 * thumb.c: Deleted. Move contents to ...
4454 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4456 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4459 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4460 declare a prototype for asm_output_align();
4462 * arm.c (thumb_condition_code): Delete.
4463 (arm_print_operand): Always use arm_condition_code array.
4465 * arm.c (thumb_return_addr_rtx): Delete.
4466 (arm_save_machine_status, arm_restore_machine_status): Delete.
4467 (arm_init_machine_status, arm_mark_machine_status): New functions.
4468 (arm_init_expanders): Update accordingly.
4469 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4470 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4471 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4473 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4475 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4477 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4480 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4482 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4483 stack backtrace structure.
4485 * config/arm/arm-protos.h: Add prototypes for functions defined in
4488 * config/arm/arm.c (arm_override_options): Fix selection of
4489 attributes of default processor.
4491 * config/arm/coff.h: Delete needless #include.
4493 * config/arm/pe.c: Delete unused code.
4495 * config/arm/pe.h (CPP_DEFINES): Delete
4496 (SUBTARGET_CPP_SPEC): Define.
4497 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4499 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4501 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4503 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4505 (CAN_DEBUG_WITHOUT_FP): Define.
4506 (FIXED_REGISTERS): Make r11 call-saved.
4507 (CALL_USED_REGISTERS): Likewise.
4508 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4509 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4510 frame-pointer is required.
4511 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4512 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4513 if the target normally needs a stack frame in non-leaf functions.
4514 (use_return_insn): Correct logic for determining when a return
4515 instruction can be used.
4516 (output_return_instruction): Handle the frame-pointer register as
4517 a normal register when not TARGET_APCS_FRAME.
4518 (arm_output_prologue): Likewise.
4519 (arm_output_epilogue): Likewise.
4520 (output_func_epilogue): Likewise.
4521 (arm_expand_prologue): Likewise.
4522 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4524 * arm.c (use_return_insn): No need to check floating point regs if
4526 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4527 the code of value stored in the minipool array.
4528 (arm_add_minipool_constant): Likewise.
4530 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4532 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4534 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4536 * tree.c (tree_expr_nonnegative_p): New function.
4538 * tree.h (tree_expr_nonnegative_p): Declare.
4540 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4541 elide some sign_compare warnings.
4542 (build_conditional_expr): Likewise.
4544 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4546 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4548 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4549 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4550 operand. Abort if a 387 operand has an unsupported size.
4552 2000-04-08 Neil Booth <NeilB@earthling.net>
4554 * cppexp.c (parse_charconst): Null does not end character
4556 * cppinit.c (ISTABLE): Null character handled as whitespace.
4557 * cpplex.c (null_warning): new function.
4558 (skip_string): Emit warning if nulls encountered.
4559 (_cpp_skip_hspace): Emit warning if nulls encountered.
4560 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4564 2000-04-07 Richard Henderson <rth@cygnus.com>
4566 * flow.c (loop_depth): Remove.
4567 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4568 (struct propagate_block_info): New.
4569 (life_analysis): Don't allocate reg_next_use.
4570 (propagate_block_delete_insn): Break out of propagate_block.
4571 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4572 (propagate_block_delete_libcall): Likewise.
4573 (propagate_block): Create a propagate_block_info struct to pass
4574 to subroutines. Allocate one not two temporary regsets. Don't
4575 clobber memory for const calls. Look for clobbers in
4576 CALL_INSN_FUNCTION_USAGE.
4577 (mark_set_regs): Recognize COND_EXEC.
4578 (mark_set_reg): Break out of mark_set_1.
4579 (mark_used_reg): Break out of mark_used_regs.
4580 (mark_used_regs): Recognize COND_EXEC.
4581 (insn_dead_p): Use propagate_block_info struct.
4582 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4583 (find_auto_inc, try_pre_increment_1): Likewise.
4584 (print_rtl_with_bb): Dump regs live at end too.
4585 (count_reg_sets_1): Pass in loop_depth.
4586 (count_reg_sets, count_reg_references): Likewise.
4587 (recompute_reg_usage): Provide it.
4589 2000-04-07 Richard Henderson <rth@cygnus.com>
4591 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4594 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4596 * cpplib.c (do_elif): Skip the rest of the line if we're
4597 not going to bother evaluating it.
4598 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4599 to avoid pointless calls to the lexer.
4601 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4603 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4605 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4607 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4609 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4611 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4613 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4615 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4616 crtend so they can be multilibbed.
4617 (STAGESTUFF): Remove s-crt and s-crtS.
4619 2000-04-07 Richard Henderson <rth@cygnus.com>
4621 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4622 if we discover we need a pseudo and no_new_pseudos is true.
4623 * config/alpha/alpha.md (ne:DI insn): New.
4624 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4626 2000-04-07 Richard Henderson <rth@cygnus.com>
4628 * rtl.def (COND_EXEC): New.
4629 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4630 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4632 * genconfig.c (have_cond_arith_flag): Remove.
4633 (have_cond_exec_flag): New.
4634 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4635 (main): Print HAVE_conditional_execution.
4637 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4638 (sched_analyze_insn, print_pattern): Likewise.
4639 * reload.c (find_equiv_reg): Likewise.
4640 * rtlanal.c (reg_referenced_p): Likewise.
4641 (note_stores, dead_or_set_regno_p): Likewise.
4642 (reg_overlap_mentioned_p): Rewrite to use a switch.
4644 * ggc.h (struct rtx_def): Forward declare.
4646 * print-rtl.c (debug_rtx_range): New.
4647 * rtl.h (debug_rtx_range): Declare.
4649 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4651 * gcse.c (gcse_main): Don't rebuild the CFG here.
4652 (delete_null_pointer_checks): Likewise.
4653 * ssa.c (convert_to_ssa): Likewise.
4654 * toplev.c (rest_of_compilation): Do it here instead. Combine
4655 sequential calls to TIMEVAR. Consistently use `insns' instead of
4656 `get_insns()'. Always split insns after reload when optimizing.
4658 * basic-block.h (merge_blocks_nomove): Declare.
4659 (tidy_fallthru_edge): Declare.
4660 * flow.c (merge_blocks_nomove): Document as merging into previous
4661 blocks. Remove cruft from between blocks; remove all edges out of A.
4662 (tidy_fallthru_edge): Export.
4664 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4666 * ssa.c (compute_conservative_reg_partition): Declare with
4668 * toplev.c (clean_dump_file): Remove previously-deleted function
4669 inadvertantly merged back in.
4670 * conflict.c (conflict_graph_add): Use a single call to
4671 htab_find_slot to look up and insert.
4673 2000-04-06 Richard Henderson <rth@cygnus.com>
4675 * genrecog.c (*): Rename _last_insn to last_insn.
4676 (make_insn_sequence): Set the position of the peephole2 C test
4677 to be at the last insn.
4679 2000-04-06 Richard Henderson <rth@cygnus.com>
4681 * flow.c (compute_flow_dominators): Free worklist.
4683 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4685 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4687 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4689 * rtl.h (INSN_P): New macro.
4690 (successor_phi_fn): New typedef.
4691 (for_each_successor_phi): New prototype.
4692 (in_ssa_form): New variable.
4693 (PHI_NODE_P): Likewise.
4694 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4695 phi nodes in successors.
4696 (mark_used_regs): Add PHI case.
4697 (set_phi_alternative_reg): New function.
4698 (life_analysis): Assert that dead code elimination is not selected
4700 * toplev.c (to_ssa_time): New variable.
4701 (from_ssa_time): Likewise.
4702 (compile_file): Zero to_ssa_time and from_ssa_time.
4703 Print time to convert to and from SSA.
4704 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4705 (print_time): Compute percent fraction as integer.
4706 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4707 (convert_to_ssa): Check if we're already in SSA.
4708 Don't eliminate dead code in life_analysis.
4709 Rerun flow and life analysis at bottom.
4710 (eliminate_phi): Use canonical regnos when adding nodes.
4711 (mark_reg_in_phi): New function.
4712 (mark_phi_and_copy_regs): Likewise.
4713 (convert_from_ssa): Rerun life analysis at top.
4714 Use coalesced partition.
4715 Check for removing a phi node at the end of the block.
4716 (compute_coalesced_reg_partition): New function.
4717 (coalesce_regs_in_copies): Likewise.
4718 (coalesce_reg_in_phi): Likewise.
4719 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4720 (for_each_successor_phi): Likewise.
4721 (rename_context): New struct.
4722 (rename_block): Use a rename_context with rename_insn_1. When
4723 renaming sets of a subreg, emit a copy of the entire reg first.
4724 (rename_insn_1): Treat data as a rename_context *. Save current
4726 (rename_set_data): Add field set_insn.
4727 * Makefile.in (HASHTAB_H): Move up in file.
4728 (OBSTACK_H): New macro.
4729 (collect2.o): Use OBSTACK_H in dependencies.
4730 (sdbout.o): Likewise.
4731 (emit-rtl.o): Likewise.
4732 (simplify-rtx.o): Likewise.
4733 (fix-header.o): Likewise.
4734 (OBJS): Add conflict.o.
4735 (conflict.o): New rule.
4736 * basic-block.h: Include partition.h.
4737 (conflict_graph): New typedef.
4738 (conflict_graph_enum_fn): Likewise.
4739 (conflict_graph_new): New prototype.
4740 (conflict_graph_delete): Likewise.
4741 (conflict_graph_add): Likewise.
4742 (conflict_graph_conflict_p): Likewise.
4743 (conflict_graph_enum): Likewise.
4744 (conflict_graph_merge_regs): Likewise.
4745 (conflict_graph_print): Likewise.
4746 (conflict_graph_compute): Likewise.
4747 * conflict.c: New file.
4749 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4751 * tlink.c (read_repo_files): Don't look for .rpo info for
4754 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4756 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4758 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4760 * config/sh/lib1funcs.asm (___udivsi3_i4):
4761 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4762 only depends on FMOVD_WORKS.
4764 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4766 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4767 make double constant 8-byte aligned.
4769 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4771 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4772 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4773 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4774 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4775 Accept storing GENERAL_REGS into offsetable memory.
4776 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4777 building a TFmode constant other than 0.0L into GENERAL_REGS.
4779 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4781 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4783 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4785 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4786 (macro_cleanup): No need to cast pbuf->macro.
4787 (collect_expansion): Use _cpp_get_define_token. Goto done if
4788 it returns VSPACE. Remove check for trailing space after
4790 (_cpp_create_definition): Don't diddle flags here. Return
4792 (unsafe_chars): Handle c1 being EOF.
4793 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4794 checks. Don't push the buffer till after we're done with
4796 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4797 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4798 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4800 (_cpp_parse_assertion): Don't NUL terminate.
4801 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4802 hspace before calling _cpp_parse_assertion. Remove all sets
4803 of only_seen_white. Treat '\f' as hspace. Don't do anything
4804 special with '\n' here.
4805 (maybe_macroexpand): Handle T_EMPTY hash entries without
4806 pushing a buffer at all.
4807 (cpp_get_token): Handle clearing only_seen_white here. Handle
4808 incrementing the line number here. Clear
4809 potential_control_macro as well as only_seen_white, if
4811 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
4812 (_cpp_get_define_token): New function, basically like
4813 _cpp_get_directive_token was but doesn't eat horizontal space.
4814 Don't do anything with only_seen_white here.
4815 (_cpp_get_directive_token): Just call _cpp_get_define_token
4816 repeatedly till it returns non-hspace.
4818 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
4819 (conditional_skip, skip_if_group): Return int.
4820 (DIRECTIVE_TABLE): Change origin of all conditional directives
4822 (TRAD_DIRECT_P): New macro.
4823 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
4824 an error for a bogus directive, unless -lang-asm. Use
4825 TRAD_DIRECT_P. Loop calling handler functions till one returns
4827 (get_macro_name): Don't diddle flags here.
4828 (do_define): Diddle flags here. Use _cpp_get_directive_token.
4829 Create T_EMPTY nodes for #define macro /* nothing */.
4830 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
4831 Use hp->name when calling pass_thru_directive.
4832 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
4833 Return the result of conditional_skip and/or skip_if_group.
4834 Don't call _cpp_output_line_command.
4835 (consider_directive_while_skipping): Use _cpp_get_directive_token.
4836 Issue -Wtraditional warnings as appropriate. Don't complain
4837 about unrecognized directives. If we are to stop skipping,
4838 return the number of the directive that ended the skip.
4839 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
4840 expansion and line commands while skipping. Return the result
4841 of consider_directive_while_skipping, if nonzero.
4842 (do_endif): Just set potential_control_macro here.
4843 (validate_else): Use _cpp_get_directive_token.
4844 (do_assert, do_unassert): Don't save pointers into the
4845 token_buffer across calls to the lexer. Use
4846 _cpp_get_directive_token.
4848 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
4849 pointer, not an offset. Replace 'data', which was a generic
4850 pointer, with 'macro', which points to a struct hashnode.
4851 (cpp_reader): Add 'potential_control_macro' pointer.
4852 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
4853 (CPP_BUF_GET, CPP_FORWARD): Delete.
4854 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
4855 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
4856 ACTIVE_MARK_P): Update.
4857 (_cpp_get_define_token): New internal function.
4858 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
4860 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
4862 * configure.in: And here.
4863 * configure: Regenerate.
4864 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
4865 --enable-libstdcxx-v3 is passed at configure time.
4866 * config.h.in: Regenerate.
4868 2000-04-05 Mark Mitchell <mark@codesourcery.com>
4870 * final.c (final): Use xcalloc to allocate line_note_exists.
4871 * function.c (free_after_compilation): Free the temp_slots.
4872 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
4873 (combine_temp_slot): Free temp_slots when they get combined.
4874 (purge_addressof): Fix typo in comment.
4875 * stmt.c (mark_goto_fixup): Mark the fixup itself.
4876 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
4878 * ggc.h: Include varray.h.
4879 (ggc_pending_trees): Declare.
4880 (ggc_mark_tree_children): Remove declaration.
4881 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
4882 * ggc-common.c (ggc_pending_trees): New variable.
4883 (ggc_mark_roots): Call ggc_mark_trees.
4884 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
4885 the ggc_pending_trees.
4886 * Makefile.in (GGC_H): New variable. Use it throughout in place
4889 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4891 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
4894 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4896 * sh.c (sh_insn_length_adjustment): New function.
4897 * sh-protos.h (sh_insn_length_adjustment): Declare.
4898 * sh.h (ADJUST_INSN_LENGTH): Use it.
4900 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
4902 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
4903 from the insn where REG_RETVAL is added.
4904 (emit_no_conflict_block): Ditto.
4906 * md.texi (Standard Names): Clarify when movX is needed.
4908 * combine.c (simplify_comparison) [MINUS]: Do not replace
4909 all (op (minus A B) 0) with (op A B).
4911 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
4912 J"orn Rennecke <amylaar@cygnus.co.uk>
4914 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
4915 (block_lump_real): Likewise.
4917 2000-04-05 Chris Demetriou <cgd@netbsd.org>
4919 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
4920 remaining non-zero debugging masks.
4922 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
4924 * basic-block.h (verify_flow_info): Declare.
4925 (flow_loop_outside_edge_p): Declare.
4926 * flow.c (verify_flow_info): Remove declaration.
4927 (clear_log_links, flow_loop_outside_edge_p): Likewise.
4929 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
4931 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
4934 2000-04-05 Jakub Jelinek <jakub@redhat.com>
4936 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
4937 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
4938 seqdi_zero_trunc+1): Allow splits only if registers are
4941 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
4943 * acconfig.h: Add HAVE_GAS_HIDDEN.
4944 * config.in: Regenerated.
4945 * configure.in: Add test for .hidden pseudo-op in gas.
4946 * configure: Regenerated.
4947 * crtstuff.c: Include auto-host.h.
4948 Emit additional .hidden pseudo-op for __dso_handle if the
4949 assembler knows about it.
4951 2000-04-04 Philippe De Muyter <phdm@macqel.be>
4953 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
4954 before freeing argnames.
4955 * cpplib.c (do_ifndef): Cast return value of xstrdup.
4957 2000-04-05 Michael Meissner <meissner@redhat.com>
4959 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
4960 Walton <jonboy@gordian.com> to make memory references with update
4961 work wtih -mregnames.
4963 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4965 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
4966 (regrename_optimize): Rename variables `def_uses' and
4967 `ext_basic_blocks' to avoid conflicts with similarly named
4968 typedefs in traditional C.
4970 * calls.c (initialize_argument_information): Fix typo in previous
4973 2000-04-04 Richard Henderson <rth@cygnus.com>
4975 * regrename.c (consider_available): Test fixed_regs not
4976 PIC_OFFSET_TABLE_REGNUM.
4978 2000-04-04 Geoff Keating <geoffk@cygnus.com>
4980 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
4982 (CRTSTUFF_T_CFLAGS_S): Delete definition.
4983 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
4984 (ENDFILE_LINUX_SPEC): Always use crtend.
4985 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
4986 (powerpc-*-linux-gnu): Likewise.
4987 * configure: Regenerate.
4989 * config/rs6000/eabi.h: Don't include sysv4.h.
4990 (MULTILIB_DEFAULTS): Don't define.
4991 * config/rs6000/eabiaix.h: Don't include eabi.h.
4992 * config/rs6000/eabile.h: Delete.
4993 * config/rs6000/eabilesim.h: Delete.
4994 * config/rs6000/eabisim.h: Don't include eabi.h.
4995 * config/rs6000/linux.h: Don't include sysv4.h.
4996 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
4997 (MULTILIB_DEFAULTS): Don't redefine.
4998 * config/rs6000/rtems.h: Don't include eabi.h.
4999 * config/rs6000/sol2.h: Don't include sysv4le.h.
5000 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5001 * config/rs6000/t-ppc: Delete.
5002 * config/rs6000/t-ppcgas: Correct comment.
5003 * config/rs6000/t-ppcos: Correct comment. Don't build
5004 multilibs for -fPIC, rather use -fPIC -mstrict-align
5006 * config/rs6000/t-ppc: Delete.
5007 * config/rs6000/vxppc.h: Don't include sysv4.h.
5008 * config/rs6000/vxppcle.h: Delete.
5009 * configure.in: Use multiple header files for p2pc ELF targets
5010 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5011 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5012 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5013 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5014 always available for these platforms.
5016 2000-04-04 Richard Henderson <rth@cygnus.com>
5018 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5020 2000-04-04 Stan Cox <scox@cygnus.com>
5022 * Makefile.in: Add rules for regrename.o
5023 * regrename.c: New file.
5024 * rtl.h (regrename_optimize): Add prototype.
5025 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5026 (compile_file, decode_d_option): Add support for -frename-registers.
5027 (rest_of_compilation): Call regrename_optimize.
5028 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5031 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5033 * Makefile (gccbug): New target.
5034 (doc): Depend on it.
5035 * gcc.texi (Bugs): Link subnodes.
5037 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5038 Document severities, priorities, and classes in bug form.
5040 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5042 * cpplex.c (trigraph_map, speccase): Combine into single
5044 (NORMAL, NONTRI): New macros.
5045 (_cpp_read_and_prescan): Change to use unified table. Use
5046 is_hspace to test for whitespace.
5048 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5049 definition that doesn't provoke the "empty body in an
5050 if-statement" warning.
5052 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5054 * builtins.c (expand_builtin_strlen): Force the source to
5055 be a memory address.
5057 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5059 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5061 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5063 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5064 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5065 (ECF_IS_CONST): Rename to ECF_CONST.
5066 (special_function_p): Make static, change interface.
5067 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5068 (expand_call) ... here; convert number of variables to flags.
5069 (emit_library_call_vlue_1): Likewise.
5070 (setjmp_call_p): New function.
5071 (initialize_argument_information): Accepts flags as argument;
5073 (precompute_arguments): Likewise.
5074 * tree.h (special_function_p): Remove.
5075 (setjmp_call_p): Add prototype.
5077 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5079 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5080 so that addresses are offsetable by up to 16 bytes.
5081 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5082 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5085 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5086 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5087 (movsf): Don't force any constant to memory if target is integer
5089 Move fp_zero_operand check below the const0_rtx check.
5090 (movtf): Likewise. Also allow fp_zero_operand for stores into
5092 (movdf): Likewise. Also allow fp_zero_operand for stores into
5093 memory and into integer hard registers.
5094 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5095 movdf_const_intreg_sp64): Remove.
5096 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5098 (movdf_no_e_insn_v9_sp32): New pattern.
5099 (movdf_insn_v9only): Remove.
5100 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5101 (movdf_insn_sp64): Remove.
5102 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5103 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5104 (following splits): Rewrite conditions. Add two new splits
5105 for storing 0.0 into memory and registers.
5106 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5107 (movtf_insn_sp32): Redo constraints and conditions.
5108 (movtf_insn_vis_sp32): New pattern.
5109 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5110 (movtf_insn_hq_sp64): Likewise.
5111 (movtf_insn_hq_vis_sp64): New pattern.
5112 (movtf_insn_sp64): Redo constraints and conditions.
5113 (movtf_insn_vis_sp64): New pattern.
5114 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5115 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5117 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5118 -mvis or -m64 to take down the number of various reload patterns.
5120 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5122 * pa/pa-64.h: New file.
5123 * pa/pa64-regs.h: New file.
5124 * pa/pa64-start.h: New file.
5125 * pa/t-pa64: New file.
5126 * pa/xm-pa64hpux.h: New file.
5128 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5130 * sparc.c (output_restore_regs): Prototype.
5131 (sparc_emit_float_lib_cmp): Constification.
5133 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5135 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5138 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5139 (get_value_hash, hash_rtx): Likewise.
5141 * ssa.c (compute_conservative_reg_partition): Prototype.
5143 * tree.c (mark_hash_entry): Prototype.
5145 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5147 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5148 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5149 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5151 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5152 * objc/lang-specs.h: Likewise.
5154 2000-04-03 Neil Booth <NeilB@earthling.net>
5156 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5157 and SYNTAX_ERROR2. Replace `' in messages with ''.
5158 (op_to_str): Make re-entrant.
5159 (_cpp_parse_expr): Implement new error macros. Use | rather
5160 than || to logically or 2 boolean integers. Simply expression
5161 checking we have a left operand iff needed.
5163 2000-04-03 Nick Clifton <nickc@cygnus.com>
5165 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5167 2000-04-03 Philip Blundell <philb@gnu.org>
5169 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5171 2000-04-03 Felix Lee <flee@cygnus.com>
5173 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5174 (run_shell): Use it.
5176 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5178 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5179 (stmp-fixproto): ...rather than here.
5181 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5183 * pa.c (print_operand): Compute 'base' only inside the code paths
5186 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5188 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5191 2000-04-03 Philipp Thomas <pthomas@suse.de>
5193 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5195 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5197 * Makefile.in (alias.o): Depend on $(TREE_H).
5199 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5201 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5203 * cpplib.c (_cpp_handle_directive): Improve warnings for
5204 traditional C and indented directives.
5206 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5207 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5208 fixinc/inclhack.def: Indent the # of #include_next one space.
5209 * cp/rtti.c: Un-indent #if and #endif.
5211 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5212 syntax error, but an error has already been printed.
5213 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5214 message when called with nothing remaining on the line.
5215 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5216 OTHER token, not an ASSERTION.
5217 * cpplib.c (do_assert): When we create a 'base' node, clear
5218 its aschain pointer.
5220 2000-04-02 Neil Booth <NeilB@earthling.net>
5222 * cppexp.c: New typedef op_t. struct operation and struct
5223 token updated to use it.
5224 (op_to_str): New function.
5225 (_cpp_parse_expr): Error messages modified to use op_to_str.
5227 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5229 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5230 before checking MUST_PASS_IN_STACK.
5232 2000-04-02 Neil Booth <NeilB@earthling.net>
5234 * cppexp.c: New FINISHED dummy token. Combine operator initial
5235 flags and initial priority into a single constant. New
5236 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5237 (_parse_cpp_expr): Implement new constants. Take left operand
5238 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5239 parse indicated by reducing FINISHED token. Remove new lines
5240 from cpp_error messages.
5242 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5244 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5247 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5249 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5250 directive. Add origin values to DIRECTIVE_TABLE. Generate
5251 the strings and function names on the fly. Take the #sccs
5252 entry out of the table if SCCS_DIRECTIVE is not defined.
5253 (_cpp_handle_directive): Decide if the # was at the beginning
5254 of the line here. Issue -pedantic warnings for extended
5255 directives here. Warn about K+R directives with the #
5256 indented, and C89/extended directives with the # not indented,
5258 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5259 do_assert, do_unassert): Don't issue pedantic warning here.
5261 * cpphash.h: Add CPP_WTRADITIONAL macro.
5262 * cpplib.h (struct cpp_options): Rename warn_stringify to
5263 warn_traditional; update comments.
5264 * cppinit.c (handle_option): Set warn_traditional not
5266 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5267 CPP_WTRADITIONAL (pfile).
5268 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5269 be ignored in -traditional mode here.
5271 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5272 to initialize speccase[] and trigraph_map[]. Delete all
5273 references to pfile->input_speccase. Always treat '?' as a
5274 special character. Remove table-initialization code from
5275 _cpp_init_input_buffer.
5277 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5278 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5280 2000-04-01 Richard Henderson <rth@cygnus.com>
5282 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5283 (mostlyclean): Likewise.
5285 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5286 (struct dump_file_info, enum dump_file_index, dump_file): New.
5287 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5288 not a string. Clean out file if we havn't yet done so. Do nothing
5289 if the dump isn't enabled.
5290 (close_dump_file): Do nothing if the dump isn't open. Dump
5291 graph data if requested.
5292 (dump_rtl, clean_dump_file): Remove.
5293 (compile_file): Don't clean the dump files. Only finalize .bp dump
5294 if flag_test_coverage or flag_branch_probabilities. Only finalize
5295 .combine dump if optimizing. Iterate over dump_file to finalize the
5297 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5298 Convert all uses of dump_rtl.
5299 (decode_d_option): Iterate over dump_file to implement 'a' and to
5300 locate pass-specific dumps.
5302 2000-04-01 Neil Booth <NeilB@earthling.net>
5304 * cppexp.c: Redefine priority constants.
5305 (_cpp_parse_expr): Replace left and right priority scheme with
5306 single priority logic. Move LOGICAL to same place as COMPARE.
5307 Remove bogus check for multiple unary +/- operators.
5309 2000-04-01 Neil Booth <NeilB@earthling.net>
5311 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5312 within the switch statement. Binary operations break out of
5313 the switch naturally. '(' tokens handled by forcing
5314 immediate shift. ')' handled by forcing immediate reduce to
5315 the previous '('. New error messages.
5317 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5319 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5320 part', it's already in use. Use %K instead. Add a return at the
5321 end of what is now %K.
5322 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5324 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5326 * builtins.c (expand_builtin_apply): Pass proper parameters to
5327 allocate_dynamic_stack_space.
5328 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5329 update stack_pointer_delta; do not update arg_size_so_far.
5330 (compute_argument_block_size): Use stack_delta instead of
5331 stack_pointer_pending and arg_size_so_far.
5332 (expand_call): Add sanity checking for stack_pointer_delta;
5333 save and restore stack_pointer_delta for SIB, use
5334 stack_pointer_delta for alignment; do not update arg_space_so_far.
5335 (emit_library_call_value): Use stack_pointer_delta for alignment.
5336 (store_one_arg): Do not update arg_space_so_far.
5337 * explow.c (adjust_stack, anti_adjust_stack): Update
5338 stack_pointer_delta.
5339 (allocate_dynamic_stack_space): Add sanity checking for
5340 stack_pointer_delta.
5341 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5342 stack_pointer_delta.
5343 (emit_push_insn): Update stack_pointer_delta.
5344 * function.h (struct expr_status): Add x_stack_pointer_delta;
5345 remove x_arg_space_so_far.
5346 (arg_space_so_far): Remove.
5347 (stack_pointer_delta): New macro.
5349 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5351 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5352 Reorder struct cpp_options and struct cpp_reader for better
5353 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5354 takes two args. Change all 'char' flags to 'unsigned char'.
5355 Move show_column flag into struct cpp_options. Don't
5356 prototype cpp_options_init.
5357 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5358 cppinit.c, cpplex.c, cpplib.c:
5359 Replace CPP_OPTIONS (pfile)->whatever with
5360 CPP_OPTION (pfile, whatever), and likewise for
5361 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5363 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5364 Extract CPP_OPTION (pfile, pending) and work with that
5366 (cpp_options_init): Delete.
5367 (cpp_reader_init): Turn on on-by-default options here.
5368 Allocate the pending structure here.
5369 (cl_options, enum opt_code): Define these from the same table,
5370 kept in a large macro. Add -fshow-column and -fno-show-column
5373 * cpperror.c (v_message): If show_column is off, don't print
5376 * cppmain.c: Update for new interface.
5377 * fix-header.c: Likewise.
5379 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5381 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5383 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5384 are passed to any invocation of AR_FOR_TARGET.
5385 (AR_CREATE_FOR_TARGET): New macro.
5386 (AR_EXTRACT_FOR_TARGET): New macro.
5387 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5388 AR_EXTRACT_FOR_TARGET.
5389 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5390 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5391 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5392 AR_EXTRACT_FOR_TARGET to sub-makes.
5394 2000-03-31 Neil Booth <NeilB@earthling.net>
5396 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5398 (_cpp_parse_expr): Check for multiple unary +/- operators.
5399 Correct priorities of ':' and '?'. Treat ')' as having a
5400 value. Ensure conditional expression is not void.
5402 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5404 * alias.c (canon_rtx): Make it global.
5405 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5407 * cse.c (struct table_elt): Add canon_exp.
5409 (invalidate): Canonicalize expressions only once.
5410 * rtl.h (canon_rtx): Declare.
5412 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5414 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5415 * alias.c (reg_known_value): Add comments.
5416 (init_alias_analysis): Likewise.
5417 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5419 (cse_basic_block): Fix typo in comment.
5420 * emit-rtl.c: Include hashtab.h.
5421 (const_int_htab): New variable.
5422 (const_int_htab_hash): New function.
5423 (const_int_htab_eq): Likewise.
5424 (rtx_htab_mark_1): Likewise.
5425 (rtx_htab_mark): Likewise.
5426 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5427 (unshare_all_rtx): Fix formatting.
5428 (init_emit_once): Initialize const_int_htab.
5429 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5431 * rtl.texi: Document the fact that all CONST_INTs with the same
5434 2000-03-30 Richard Henderson <rth@cygnus.com>
5436 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5438 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5440 * configure.in: Comment out --enable-c-cpplib stanza.
5441 * configure: Regenerate.
5443 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5445 * expr.c (store_constructor): Properly compute displacement and
5446 alignment when offset is variable.
5448 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5449 cases of alignment in bytes.
5451 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5453 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5454 since it is used to generate c-parse.y.
5455 * objc-parse.c, objc-parse.y: Regenerated.
5457 * function.c (expand_function_end): Pass alignment argument to
5458 emit_block_move in bits, not bytes.
5460 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5462 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5465 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5467 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5468 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5469 * function.c (assign_parms): Likewise.
5470 * integrate.c (expand_inline_function): Likewise.
5471 * stmt.c (expand_decl): Likewise.
5472 (copy_rtx_and_substitute): Likewise.
5473 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5474 (clear_by_pieces): Fix error in last change.
5475 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5476 * function.h (regno_pointer_align): Now unsigned.
5477 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5479 * config/i386/i386.c (aligned_operand): Likewise.
5480 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5481 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5482 (unaligned_memory_operand): Likewise.
5483 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5484 Also make alignments and sizes unsigned and some whitespace cleanup.
5485 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5487 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5488 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5489 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5490 (expand_builtin_memset): Likewise, but to clear_storage.
5491 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5492 (restore_fixed_argument_area): Likewise.
5493 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5494 (load_register_parameters): Likewise, to emit_group_load.
5495 (expand_call): Likewise, to emit_group_store and emit_block_move.
5496 (emit_library_call_value_1): Likewise, to emit_block_move.
5497 (store_one_arg): Likewise, and to emit_push_insn.
5498 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5499 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5500 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5501 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5502 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5503 (expand_assigment, store_expr, store_constructor_field): Likewise.
5504 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5505 (store_constructor, store_field, get_inner_reference): Likewise.
5506 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5507 (expand_expr, case COMPONENT_REF): Likewise.
5508 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5509 and positions; reindent code.
5510 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5511 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5512 (assign_parms): Likewise to emit_group_store.
5513 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5514 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5515 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5516 (expand_return): Likewise to {extract,store}_bit_field.
5517 * stor-layout.c (get_mode_alignment): Minor cleanup.
5518 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5519 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5521 2000-03-29 Nick Clifton <nickc@cygnus.com>
5523 * config/arm/arm.h: Undo effects of previous delta:
5524 (ASM_SPEC): Do not define.
5525 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5527 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5530 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5532 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5533 only after reading in the primary source file.
5535 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5537 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5538 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5539 or a reference to a va_list.
5540 * builtins.c (stabilize_va_list): Simplify now we don't have to
5541 work around C array address decay.
5542 * c-typeck.c (convert_for_assignment): Handle assignment to
5543 a reference parameter by taking the address of the RHS.
5544 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5545 (va_copy): Likewise.
5546 (__va_copy): Likewise.
5547 * ginclude/varargs.h (va_start): Likewise.
5548 (__va_copy): Likewise.
5550 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5552 * i386/djgpp.h: Remove extraneous "+".
5554 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5556 * calls.c (expand_call): Fix typo in last change.
5558 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5560 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5563 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5565 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5566 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5567 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5568 * tree.c (bit_position, byte_position): Likewise.
5569 * tree.h: Declare new functions.
5571 2000-03-29 Nick Clifton <nickc@cygnus.com>
5573 * config/arm/arm.c: Minor formatting changes/
5574 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5576 (ASM_SPEC): Define if not already defined.
5578 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5580 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5583 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5585 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5586 value, don't output it as unsigned.
5588 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5590 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5592 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5594 * c-common.c (c_common_nodes_and_builtins): Don't special case
5595 cplus_mode when declaring builtin bzero/bcmp, always avoid
5596 prototype arguments.
5598 2000-03-29 Bruce Korb <bkorb@gnu.org>
5600 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5603 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5605 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5606 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5607 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5608 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5609 (save_fixed_argument_area, restore_fixed_argument_area):
5610 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5611 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5612 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5613 (precompute_register_parameters): Avoid #ifdefs on
5614 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5615 (stire_one_args): Likewise.
5616 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5617 (emit_library_call_value_1): Likewise.
5618 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5619 ACCUMULATE_OUTGOING_ARGS.
5620 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5622 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5623 (use_crosses_set_p): Likewise.
5624 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5625 #define ACCUMULATE_OUTGOING_ARGS 1.
5626 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5628 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5630 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5631 (TARGET_SWITCHES): Add push-args, no-push-args,
5632 accumulate-outgoing-args and no-accumulate-outgoing-args.
5633 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5634 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5635 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5637 (emit_push_insn): Likewise.
5638 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5639 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5640 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5641 (STACK_DYNAMIC_OFFSET): Define correctly for both
5642 ACCUMULATE_OUTGOING_ARGS and normal mode.
5643 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5644 * tm.texi (PUSH_ARGS): Document.
5645 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5647 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5649 * flags.h (flag_optimize_sibling_calls): Declare.
5650 * calls.c (expand_call): Fail sibcall when
5651 !flag_optimize_sibling_calls
5652 * invoke.texi (flag_optimize_sibling_calls): Document.
5653 * toplev.c (flag_optimize_sibling_calls): New global variable.
5654 (f_options): Add flag_optimize_sibling_calls.
5655 (rest_of_compilation): Conditionize
5656 optimize_sibling_and_tail_recursive_calls by
5657 flag_optimize_sibling_calls.
5658 (main): Set flag_optimize_sibling_calls for -O2.
5659 * stmt.c (expand_return): Conditionize tail recursion by
5660 flag_optimize_sibling_calls.
5662 2000-03-29 Richard Henderson <rth@cygnus.com>
5664 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5665 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5667 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5669 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5671 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5673 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5675 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5676 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5677 * config/rs6000/aix.h: then modified likewise.
5679 2000-03-28 Richard Henderson <rth@cygnus.com>
5681 * rtl.h: Redistribute enum reg_note documentation.
5682 Kill trailing whitespace.
5683 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5684 Kill trailing whitespace.
5686 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5688 * cppfiles.c (hash_IHASH): Just return i->hash.
5689 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5690 htab_find_with_hash.
5691 (cpp_read_file): Likewise.
5692 (find_include_file): Likewise. Properly initialize
5693 ih->nshort. Share ih->name and ih->nshort if possible.
5694 * cpphash.c (_cpp_calc_hash): New function.
5695 (hash_HASHNODE): Just return h->hash.
5696 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5697 htab_find_with_hash.
5698 * cpphash.h: Prototype _cpp_calc_hash.
5699 * cppinit.c (initialize_builtins): Provide a valid hash
5700 to _cpp_make_hashnode, using _cpp_calc_hash.
5702 * cpphash.c (collect_expansion): # is not a special character
5703 in object-like macros. In -traditional mode, /**/ is not
5704 token paste at the beginning or end of the line.
5705 * cpplib.c (do_include, do_import, do_include_next): If
5706 parse_include fails, return immediately.
5708 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5710 * config/arm/arm.md (return peepholes): Update to reflect the new
5712 * config/arm/arm.c (arm_volatile_func): Also check
5713 current_function_nothrow.
5714 (output_return_instruction, output_func_prologue): Use it.
5715 (arm_output_epilogue, arm_expand_prologue): Likewise.
5717 2000-03-27 Tom Tromey <tromey@cygnus.com>
5719 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5722 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5724 * expr.c (store_constructor): SIZE now signed.
5725 For EXPR_SIZE, don't evaluate size; just needed if constant.
5726 * fold-const.c (fold): Fix a number of cases when folded tree is
5728 * function.c (flush_addressof): Reenable.
5729 * tree.h (flush_addressof): Likewise.
5730 * toplev.c (independent_decode_option): Look at strings_processed.
5731 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5733 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5735 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5736 Allow stack adjustment after function call.
5738 * regmove.c (struct csa_memlist): Make mem field rtx *.
5739 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5740 (try_apply_stack_adjustment): Replace whole MEM rtx.
5741 (combine_stack_adjustments_for_block): Update calls
5742 to record_one_stack_ref.
5744 2000-03-28 Neil Booth <NeilB@earthling.net>
5746 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5747 '\\' rather than a null character, so nulls are not special. Fix
5748 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5749 speed trigraph conversion.
5750 (_cpp_init_input_buffer): Initialize trigraph map.
5752 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5754 * config/i386/i386.c (output_387_binary_op): Correct intel
5755 mode assembly output, and add spaces after commas in AT&T
5756 output. Correct Unixware assembler comment. Document input
5757 constraints. Comment fp operations. Reduce profligate buffer
5758 size. Remove extraneous abort. Localize temp var.
5759 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5760 (output_fix_trunc): Add spaces after commas in assembly output.
5762 2000-03-27 Richard Henderson <rth@cygnus.com>
5764 * i386-protos.h (ix86_match_ccmode): Declare.
5765 * i386.c (ix86_match_ccmode): New.
5766 (ix86_expand_fp_compare): Update for pattern renames.
5767 (ix86_expand_strlensi_unroll_1): Likewise.
5768 * i386.h (EXTRA_CC_MODES): Add CCZ.
5769 (SELECT_CC_MODE): Use it for EQ/NE zero.
5770 * i386.md (cmpsi_ccz_1): New.
5772 (*testsi_ccz_1): New.
5773 (testqi_ccz_1): New.
5774 (cmpsi_ccno_1): Rename from cmpsi_0.
5775 (testsi_ccno_1): Rename from testsi_1.
5776 (testqi_ccno_1): Rename from testqi_1.
5777 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5778 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5779 (*cmphi_0): Use ix86_match_ccmode.
5780 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5781 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5782 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5783 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5784 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5785 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5786 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5787 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5788 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5789 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5790 (appropriate peepholes): Likewise.
5791 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5792 (*subsi_3, *subhi_3, *subqi_3): Remove.
5793 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5794 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5795 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5796 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5797 (x86_shift_adj_1): Use CCZ.
5798 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5800 2000-03-27 Stan Cox <scox@cygnus.com>
5802 * resource.h (mark_resource_type): New.
5803 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5804 find_free_register): Use mark_resource_type.
5805 (mark_set_resources): Change include_delayed_effects
5806 to mark_resource_type.
5807 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5808 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5809 Use mark_resource_type.
5811 2000-03-27 Richard Henderson <rth@cygnus.com>
5813 * i386.md (call_pop_0, call_value_pop_0): New.
5814 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
5815 (call_value_pop_1): Likewise.
5816 (call_0, call_value_0): New.
5817 (call_1, call_value_1): Remove constraint from unused arg.
5819 2000-03-27 Nick Clifton <nickc@cygnus.com>
5821 * invoke.texi (Spec Files): Document new spec % command created by
5822 Tom Tromey's recent patch.
5824 2000-03-27 Jakub Jelinek <jakub@redhat.com>
5826 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
5829 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5831 * expr.c (expand_assignment): Fix typo in last change.
5833 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
5835 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5837 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
5838 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
5839 and DECL_INLINE if FUNCTION_DECL.
5840 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
5841 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
5842 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
5843 (combine_parm_decls): Likewise.
5844 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
5845 * print-tree.c (print_node): Likewise.
5846 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
5847 DECL_TRANSPARENT_UNION on proper decl types.
5848 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
5849 * stor-layout.c (layout_decl): Only check DECL_PACKED and
5850 DECL_BIT_FIELD of FIELD_DECL.
5851 * tree.h (DECL_RESULT_FLD): New macro.
5853 * expr.c (expand_assignment): Add code to handle variable-sized
5856 2000-03-26 Richard Henderson <rth@cygnus.com>
5858 * calls.c (expand_call): Pass parms not original exp to
5859 optimize_tail_recursion. Mind return value instead of looking
5861 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
5862 call_expr. Move checks for call_expr and current_function_decl ...
5863 (expand_return): ... here.
5865 2000-03-26 Tom Tromey <tromey@cygnus.com>
5867 * gcc.c (handle_braces): Recognize `%{<S}' construct.
5868 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
5870 (process_command): Use them.
5871 (check_live_switch): Likewise.
5872 (give_switch): Skip ignored switches.
5874 2000-03-26 Jan Hubicka <jh@suse.cz>
5876 * jump.c (jump_optimize_1): Fix typo in elide optimizations
5877 for minimal jump pass test.
5879 2000-03-26 Mark Mitchell <mark@codesourcery.com>
5881 * integrate.c (function_cannot_inline_p): Do inline functions that
5884 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5886 * stor-layout.c (layout_type, set_sizetype): early_type_list is
5887 now a list of TREE_LIST entries, not types.
5888 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
5890 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
5891 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
5893 * config/mips/mips.c (function_arg): Likewise; also remove cast
5894 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
5895 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
5896 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
5897 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
5898 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
5899 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
5900 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
5901 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
5902 num_adjusts now unsigned.
5903 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
5904 * config/sparc/sparc.c (struct function_arg_record_value_parms):
5906 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
5907 as is BITPOS variable; use host_integerp and int_bit_position.
5908 (function_arg_record_value_2): Likewise.
5909 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
5910 Variable REGNO now unsigned.
5911 (function_arg_record_value): NREGS now unsigned.
5913 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5915 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
5917 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5919 * Rework fields used to describe positions of bitfields and
5920 modify sizes to be unsigned and use HOST_WIDE_INT.
5921 * alias.c (reg_known_value_size): Now unsigned.
5922 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
5923 (really_start_incremental_init): Use bitsize_zero_node.
5924 (push_init_level, pop_init_level, output_init_element): Likewise.
5925 Use bitsize_unit_node and bitsize_one_node.
5926 (output_pending_init_elements, process_init_element): Likewise.
5927 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
5928 (make_extraction): Position and length HOST_WIDE_INT and unsigned
5929 HOST_WIDE_INT, respectively.
5930 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
5931 (num_sign_bit_copies): Returns unsigned.
5932 BITWIDTH now unsigned; rework arithmetic.
5933 Remove recursive call from arg to MAX.
5934 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
5935 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
5937 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
5938 (find_split_point, expand_compound_operation, make_extraction): LEN
5939 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
5940 (make_field_assignment): Likewise.
5941 (combine_simplify_rtx): Add cast.
5942 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
5943 (force_to_mode): WIDTH now unsigned; add cast.
5944 (if_then_else_cond): SIZE now unsigned.
5945 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
5946 (extended_count): Now returns unsigned.
5947 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
5948 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
5949 (simplify_comparison): MODE_WIDTH now unsigned.
5950 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
5951 (mark_used_regs_combine): Likewise; rework arithmetic.
5952 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
5953 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
5954 (record_promoted_value): REGNO now unsigned.
5955 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
5956 (get_last_value): REGNO now unsigned.
5957 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
5958 (reg_dead_regno, reg_dead_endregno): Now unsigned.
5959 (remove_death): Arg REGNO now unsigned.
5960 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
5961 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
5963 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
5964 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
5965 (struct cse_reg_info): REGNO now unsigned.
5966 (cached_regno): Now unsigned.
5967 (REGNO_QTY_VALID_P): Add cast.
5968 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
5969 (remove_invalid_regs): Likewise.
5970 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
5971 as are variables END and I.
5972 (get_cse_reg_info, insert): Likewise.
5973 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
5974 (canon_hash): Likewise.
5975 (insert_regs, lookup_for_remove): REGNO now unsigned.
5976 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
5978 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
5979 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
5980 * emit-rtl.c (subreg_realpart_p): Add cast.
5981 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
5982 (operand_subword_force): Arg I is now unsigned.
5983 * except.c (eh_regs): Variable I is now unsigned.
5984 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
5985 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
5986 length is unsigned HOST_WIDE_INT; likewise for internal variables.
5987 (store_split_bit_field, extract_fixed_bit_field): Likewise.
5988 (extract_split_bit_field, store_bit_field, extract_bit_field):
5990 * expr.c (store_constructor_fields, store_constructor, store_field):
5991 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
5992 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
5993 (do_jump): Likewise.
5994 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
5995 MAX_SIZE is now unsigned.
5996 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
5997 (emit_group_store): Likewise.
5998 (emit_move_insn): I now unsigned.
5999 (store_constructor): Use host_integerp, tree_low_cst, and
6001 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6002 Rework all calculations to use trees and new fields.
6003 * expr.h (promoted_input_arg): Regno now unsigned.
6004 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6005 (mark_seen_cases): Arg is HOST_WIDE_INT.
6006 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6007 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6008 precisions and alignments are unsigned.
6009 (optimize_bit_field_compare, fold_truthop): Likewise.
6010 (int_const_binop): Adjust threshold for size_int_type_wide call.
6011 (fold_convert): Likewise.
6012 (size_int_type_wide): Make table larger and fix thinko that only
6013 had half of table used.
6014 (all_ones_mask_p, fold): Precisions are unsigned.
6015 * function.c (put_reg_info_stack): REGNO is unsigned.
6016 (instantiate_decl): Size is HOST_WIDE_INT.
6017 (instantiate_virtual_regs): I is unsigned.
6018 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6019 (promoted_input_arg): REGNO is unsigned.
6020 * function.h (struct function): x_max_parm_reg is now unsigned.
6021 * gcse.c (max_gcse_regno): Now unsigned.
6022 (struct null_pointer_info): min_reg and max_reg now unsigned.
6023 (lookup_set, next_set): REGNO arg now unsigned.
6024 (compute_hash_table): REGNO and I now unsigned.
6025 (handle_avail_expr): regnum_for_replacing now unsigned.
6026 (cprop_insn): REGNO now unsigned.
6027 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6028 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6029 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6030 * hard-reg-set.h (reg_class_size): Now unsigned.
6031 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6032 * jump.c (mark_modified_reg): I now unsigned; add cast.
6033 (rtx_equal_for_thread_p): Add cast.
6034 * loop.c (max_reg_before_loop): Now unsigned.
6035 (struct_movable): REGNO now unsigned.
6036 (try_copy_prop): REGNO arg unsigned.
6037 (regs_match_p): XN and YN now unsigned.
6038 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6039 (strength_reduce): Likewise; NREGS also unsigned.
6040 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6041 * loop.h (struct iv_class): REGNO now unsigned.
6042 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6044 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6045 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6046 * optabs.c (expand_binop): I and NWORDS now unsigned.
6047 (expand_unop): I now unsigned.
6048 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6049 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6050 * real.c (significand_size): Now returns unsigned.
6051 * real.h (significand_size): Likewise.
6052 * regclass.c (reg_class_size): Now unsigned.
6053 (choose_hard_reg_mode): Both operands now unsigned.
6054 (record_reg_classes): REGNO and NR now unsigned.
6055 (reg_scan): NREGS now unsigned.
6056 (reg_scan_update): old_max_regno now unsigned.
6057 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6058 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6059 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6060 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6061 Likewise for variable R.
6062 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6063 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6064 (find_equiv_reg): Add casts.
6065 (regno_clobbered_p): Arg REGNO now unsigned.
6066 * reload.h (struct reload): NREGS now unsigned.
6067 (refers_to_regno_for_reload_p): Regno args are unsigned.
6068 (regno_clobbered_p): Likewise.
6069 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6070 (compute_use_by_pseudos): REGNO now unsigned.
6071 (find_reg): I and J now unsigned, new variable K, and change loop
6072 variables accordingly; THIS_NREGS now unsigned.
6073 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6074 (spill_hard_reg): REGNO arg now unsigned; add casts.
6075 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6076 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6077 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6078 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6079 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6080 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6081 (emit_reload_insns): REGNO now unsigned.
6082 (reload_cse_move2add): Add cast.
6083 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6085 * resource.c (mark_referenced_resources, mark_set_resources): New
6086 variable R; REGNO and LAST_REGNO now unsigned.
6087 (mark_target_live_regs): J and REGNO now unsigned.
6088 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6089 * rtl.h (union rtunion_def): New field rtuint.
6090 (XCUINT): New macro.
6091 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6092 (operand_subword, operand_subword_force): Word number is unsigned.
6093 (choose_hard_reg_mode): Operands are unsigned.
6094 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6095 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6096 (regno_use_in, combine_instructions, remove_death): Likewise.
6097 (reg_scan, reg_scan_update): Likewise.
6098 (extended_count): Return is unsigned.
6099 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6100 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6101 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6102 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6103 (reg_reg_last_1): FIRS and LAST now unsigned.
6104 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6105 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6107 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6108 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6109 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6110 (replace_regs): Arg NREGS now unsigned.
6111 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6112 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6113 (simplify_binary_operation): Likewise.
6114 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6115 THIS_LAST now unsigned.
6116 (cselib_record_set): Add cast.
6117 * ssa.c (ssa_max_reg_num): Now unsigned.
6118 (rename_block): REGNO now unsigned.
6119 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6121 (all_cases_count): Just return -1 not -2.
6122 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6123 Rework tests to use trees whenever possible.
6124 Use host_integerp and tree_low_cst.
6125 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6126 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6127 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6128 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6129 (smallest_mode_for_size): Likewise.
6130 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6131 KNOWN_ALIGN is now an alignment, so simplify code.
6132 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6133 (start_record_layout): Renamed from new_record_layout_info.
6134 Update to new fields.
6135 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6137 (place_union_field): Renamed from layout_union_field.
6138 Update to use new fields in rli.
6139 (place_field): Renamed from layout_field.
6140 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6141 (finalize_record_size): Rework to use new fields in rli and handle
6143 (compute_record_mode): Rework to simplify and to use new DECL fields.
6144 (finalize_type_size): Make rounding more consistent.
6145 (finish_union_layout): Deleted.
6146 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6147 (layout_type, case RECORD_TYPE): Call new function names.
6148 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6149 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6150 (get_best_mode): UNIT is now unsigned; remove casts.
6151 * tree.c (bit_position): Compute from new fields.
6152 (byte_position, int_byte_position): New functions.
6153 (print_type_hash_statistics): Cast to remove warning.
6154 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6155 (build_index_type): Likewise; make subtype of sizetype.
6156 (build_index_2_type): Pass sizetype to build_range_type.
6157 (build_common_tree_nodes): Use size_int and bitsize_int to
6158 initialize nodes; add bitsize_{zero,one,unit}_node.
6159 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6160 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6161 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6162 (DECL_FIELD_BITPOS): Deleted.
6163 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6164 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6165 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6166 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6167 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6168 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6169 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6170 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6171 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6172 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6173 (DECL_ALIGN): Adjust to new field in union.
6174 (DECL_OFFSET_ALIGN): New field.
6175 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6176 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6177 (union tree_decl): Add struct for both aligns.
6178 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6179 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6180 (struct record_layout_info): Rework fields to have offset
6181 alignment and byte and bit position.
6182 (start_record_layout, place_field): Renamed from old names.
6183 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6184 (byte_position, int_byte_position): Likewise.
6185 (get_inner_reference): Change types of position and length.
6186 * unroll.c (unroll_loop): New variable R; use for some loops.
6187 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6188 (calculate_giv_inc): Arg REGNO now unsigned.
6189 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6190 * varasm.c (assemble_variable): Clean up handling of size using
6191 host_integerp and tree_low_cst.
6192 (decode_addr_const): Use byte, not bit, position.
6193 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6194 use tree_low_cst and int_bit_position.
6195 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6197 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6199 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6200 (reorder_block_def): New members eff_head and eff_end.
6201 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6202 (verify_insn_chain): New function.
6203 (skip_insns_between_block): Add code to skip deleted insns.
6204 Check for note before using.
6205 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6206 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6207 Check for note before using.
6208 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6209 (fixup_reorder_chain): Restructure, clean up, defect removal.
6210 (reorder_basic_blocks): Remove last_insn and references to it.
6211 Moved insn chain verification code into a new function (see above).
6212 Delete defective code that sets last insn.
6213 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6216 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6218 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6220 2000-03-24 Richard Henderson <rth@cygnus.com>
6222 * tree.c (lang_safe_for_unsave): Remove.
6223 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6224 allowing for two levels of unsafeness. Remove lang hook.
6225 * tree.h: Update declarations.
6226 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6227 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6228 Always fail sibcalls when there are pending cleanups.
6230 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6232 * flow.c (propagate_block): When we delete an ADDR_VEC,
6233 also delete the BARRIER following it if there is one.
6235 2000-03-24 Richard Henderson <rth@cygnus.com>
6237 * builtins.c (expand_builtin_bzero): Convert `length' argument
6240 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6242 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6243 comparison if regno's are equal.
6244 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6245 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6246 (expand_call): Update caller.
6247 Avoid making a sibling call if argument size of the callee is larger
6248 than argument size of the caller.
6249 Call hard_function_value with outgoing set if in sibcall pass.
6250 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6252 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6253 Change LEAF_REGISTERS from an array initializer to actual array
6254 identifier. Move static global variable into the function.
6255 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6256 sequences for leaf functions.
6257 * global.c (global_alloc): Likewise.
6258 * tm.texi (LEAF_REGISTERS): Update documentation.
6260 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6261 TARGET_FLAT leaf disabling hack.
6262 (LEAF_REGISTERS): Changed from an array initializer to actual array
6263 identifier to avoid duplication and remove the above hack.
6264 (FUNCTION_OK_FOR_SIBCALL): Define.
6265 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6266 always like call attribute.
6267 (eligible_for_sibcall_delay): New attribute.
6268 (sibcall): New delay type.
6269 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6270 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6271 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6272 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6273 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6275 (output_function_epilogue): Move part of the code into
6276 output_restore_regs.
6277 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6279 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6282 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6283 until infrastructure is finished.
6285 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6287 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6288 (save_parm_insns): Not here.
6290 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6292 * builtins.c (expand_builtin_bzero): New function.
6293 (expand_builtin): Handle bzero.
6295 * builtins.def: Add BUILT_IN_BZERO.
6297 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6298 prototype & function for bzero.
6300 2000-03-23 Michael Meissner <meissner@redhat.com>
6302 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6303 change adding TARGET_FP to the TF floating point insns, except for
6304 trunctfsf2, which generates direct calls to truncdfsf2.
6306 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6308 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6309 try to protect against middle-end changes that break binary
6311 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6313 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6315 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6317 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6319 * calls.c (expand_call): If TARGET is passed by reference and
6320 is readonly, write a CLOBBER.
6322 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6324 * builtins.c (expand_builtin): Handle bcmp.
6326 * builtins.def: Add BUILT_IN_BCMP.
6328 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6329 prototype & function for bcmp.
6331 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6333 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6334 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6335 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6337 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6339 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6340 alternative when using -fp64 -gp32.
6342 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6344 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6345 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6346 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6348 * frame.h (frame_state): Revert last change.
6349 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6350 * libgcc2.c (throw_helper): Revert last change.
6352 2000-03-22 Richard Henderson <rth@cygnus.com>
6354 * stmt.c (expand_asm_operands): Don't promote the temporary.
6356 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6358 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6359 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6360 c_get_alias_set): Likewise.
6361 * c-decl.c (duplicate_decls): Likewise.
6362 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6363 * calls.c (initialize_argument_information): Likewise.
6364 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6366 * dwarfout.c (decl_class_context,output_type): Likewise.
6367 * expr.c (get_inner_reference): Likewise.
6368 * fold-const.c (simple_operand_p,fold): Likewise.
6369 * function.c (aggregate_value_p): Likewise.
6370 * stmt.c (expand_asm_operands): Likewise.
6371 * varasm.c (named_section): Likewise.
6373 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6375 Implement dwarf2 exception handling for the ARM.
6376 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6377 (DWARF_FRAME_RETURN_COLUMN): Define.
6378 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6379 REG_FRAME_RELATED_EXPR note.
6380 (emit_sfm): Likewise.
6381 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6382 * dwarf2out.c (reg_save): Handle saving a register to itself.
6383 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6384 * except.c (eh_regs): Don't use the static chain reg if it's
6386 * frame.h (frame_state): Add cfa_saved field.
6387 * frame.c (execute_cfa_insn): Set it.
6388 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6390 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6392 (instantiate_virtual_regs): Adjust.
6394 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6395 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6396 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6398 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6399 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6401 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6403 * builtins.def: New file.
6405 * Makefile.in (TREE_H): Depend on builtins.def.
6407 * builtins.c (built_in_names): Use builtins.def.
6409 * tree.h (built_in_function): Likewise.
6411 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6413 * tree.c (size_in_bytes): Return size_zero_node, not
6416 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6418 * config/fp-bit.c (pack_d): Correct the case when a denormal
6419 is rounded up and stops being denormal.
6421 2000-03-21 Richard Henderson <rth@cygnus.com>
6423 * config/alpha/alpha.c (function_arg): Check for void_type_node
6424 before using MUST_PASS_IN_STACK.
6426 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6428 * regmove.c (combine_stack_adjustments_for_block): Check that
6429 the stack pointer is a valid memory address.
6431 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6433 * calls.c: re-install Mar 16 emit_library_call merge.
6435 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6437 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6438 we cannot be sure that if reload_completed base register will
6439 be properly aligned.
6441 2000-03-21 Richard Henderson <rth@cygnus.com>
6443 * flow.c (delete_block): Fix typo last change.
6445 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6447 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6448 not COMPLETE_TYPE_P, to check the type of the expression.
6450 2000-03-21 Michael Meissner <meissner@redhat.com>
6452 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6453 all floating point insns that just tested the macro
6454 TARGET_HAS_XFLOATING_LIBS.
6455 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6456 used to only use the gprs.
6458 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6460 * tree.h (COMPLETE_TYPE_P): New macro.
6461 (COMPLETE_OR_VOID_TYPE_P): New macro.
6462 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6463 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6464 * c-aux-info.c (gen_type): Use them.
6465 * c-common.c (c_expand_expr_stmt): Likewise.
6466 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6467 grokdeclarator, grokparms, finish_struct, start_function,
6468 store_parm_decls, combine_parm_decls): Likewise.
6469 * c-parse.y (cast_expr): Likewise.
6470 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6471 c_size_in_bytes, c_alignof, build_component_ref,
6472 build_indirect_ref, build_array_ref, convert_arguments,
6473 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6474 * calls.c (initialize_argument_information): Likewise.
6475 * convert.c (convert_to_integer): Likewise.
6476 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6477 * dwarfout.c (location_or_const_value_attribute,
6478 output_enumeration_type_die, output_structure_type_die,
6479 output_union_type_die, output_type): Likewise.
6480 * expr.c (safe_from_p, expand_expr): Likewise.
6481 * function.c (assign_parms): Likewise.
6482 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6483 * tree.c (build_array_type, build_function_type,
6484 build_method_type, build_offset_type, build_complex_type): Likewise.
6485 * c-parse.c, c-parse.h: Regenerated.
6487 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6489 * config/c4x/rtems.h: Include config/rtems.h.
6491 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6493 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6494 decl is a FUNCTION_DECL
6496 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6498 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6499 function uses output registers. Don't save RP for leaf functions.
6500 Do save RP even if no epilogue.
6501 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6502 (CALL_USED_REGISTERS): Unmark in registers.
6503 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6506 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6508 * config/rs6000/rs6000.md (bunordered): New expander.
6509 (bordered): New expander.
6510 (buneq): New expander.
6511 (bunge): New expander.
6512 (bungt): New expander.
6513 (bunle): New expander.
6514 (bunlt): New expander.
6515 (bltgt): New expander.
6517 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6518 (ccr_bit_negated_p): New function.
6519 (print_operand): For %C, generate appropriate cror for UNEQ,
6520 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6522 2000-03-20 Andreas Jaeger <aj@suse.de>
6524 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6527 * tree.h (safe_for_unsave): Prototype.
6529 2000-03-20 Richard Henderson <rth@cygnus.com>
6531 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6532 (combine_stack_adjustments_for_block): Don't allow sp references
6533 in the side of a set we're not fixing up.
6534 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6535 after life_analysis.
6537 2000-03-20 Richard Henderson <rth@cygnus.com>
6539 * calls.c (expand_call): Don't bother generating tail call
6540 sequences if there are pending cleanups. Use
6541 expand_start_target_temps/expand_end_target_temps to elide
6542 cleanups created during sibcall expansion.
6544 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6546 * configure.in: Set $IFS to a value if it doesn't already have one
6547 in the --enable-checking handling.
6548 * configure: Regenerate.
6550 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6552 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6553 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6556 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6558 * jump.c (delete_noop_moves): Remove code attempting to
6559 combine stack adjustments.
6561 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6563 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6564 * except.c (emit_cleanup_handler): Use them.
6565 (expand_end_all_catch): Likewise.
6566 * function.c (fixup_var_refs): Likewise.
6567 (expand_function_end): Clear catch_clauses_last.
6568 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6569 * except.h (struct eh_status): New field x_catch_clauses_last.
6570 (catch_clauses_last): New define.
6572 * Makefile.in (tree.o): Depend on HASHTAB_H.
6573 * tree.c: Include hashtab.h.
6574 (struct type_hash): Remove next field.
6575 (TYPE_HASH_SIZE): Remove.
6576 (TYPE_HASH_INITIAL_SIZE): New define.
6577 (type_hash_table): Change type to htab_t.
6578 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6579 mark_hash_entry): New functions.
6580 (init_obstacks): Allocate type hash.
6581 (type_hash_lookup): Use htab functions.
6582 (type_hash_add, mark_type_hash): Likewise.
6583 (dump_tree_statistics): Call print_type_hash_statistics.
6585 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6587 * rs6000/t-aix41: New file.
6589 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6591 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6593 * tm.texi (Driver): Fix typos and tweak entry for
6595 Move misplaced STRUCT_FORCE_BLK entry ...
6596 (Storage Layout): ... to here.
6597 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6599 2000-03-19 Richard Henderson <rth@cygnus.com>
6601 * flow.c (delete_block): Delete the addr_vec along with the block.
6602 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6605 * fold-const.c (extract_muldiv): Apply type check for defined
6606 overflow to multiply as well as divide.
6608 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6610 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6612 * emit-rtl.c (remove_unncessary_notes): Check that all
6613 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6614 associated NOTE_BLOCK.
6615 * function.h (identify_blocks): Update comments.
6616 (reorder_blocks): Declare.
6617 * function.c (identify_blocks): Don't take paramters.
6618 (reorder_blocks): Don't take parameters.
6619 * loop.h (find_loop_tree_blocks): Remove.
6620 (unroll_block_trees): Likewise.
6621 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6622 reorder_blocks instead of unroll_block_trees.h
6623 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6624 * stmt.c (find_loop_tree_blocks): Remove.
6625 (unroll_block_trees): Likewise.
6626 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6627 in whole-function mode.
6628 * tree.h (reorder_blocks): Remove declaration.
6630 * expr.c: Include intl.h.
6631 * Makefile.in (expr.o): Depend on intl.h.
6633 2000-03-18 Richard Henderson <rth@cygnus.com>
6635 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6637 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6639 * tree.h (tree_index): Remove enumerals for integer types.
6640 (integer_type_kind): New type.
6641 (integer_types): New variable.
6642 (char_type_node): Adjust.
6643 (signed_char_type_node): Likewise.
6644 (unsigned_char_type_node): Likewise.
6645 (short_integer_type_node): Likewise.
6646 (short_unsigned_type_node): Likewise.
6647 (integer_type_node): Likewise.
6648 (unsigned_type_node): Likewise.
6649 (long_integer_type_node): Likewise.
6650 (long_unsigned_type_node): Likewise.
6651 (long_long_integer_type_node): Likewise.
6652 (long_long_unsigned_type_node): Likewise.
6653 * tree.c (integer_types): New variable.
6654 (init_obstacks): Register it as a root.
6656 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6658 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6659 NEXT_INSN. Update last insn in chain.
6661 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6663 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6664 with TYPE_DECL_SUPPRESS_DEBUG set.
6666 2000-03-18 Richard Henderson <rth@cygnus.com>
6668 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6670 2000-03-18 Richard Henderson <rth@cygnus.com>
6672 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6673 care for HALF_PIC_P.
6674 (expander_call_insn_operand): Remove.
6675 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6676 * i386.h (PREDICATE_CODES): Update.
6677 * i386.md (all call expanders): Remove predicates, remove special
6678 handling for half-pic.
6679 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6680 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6681 (sibcall_epilogue): New.
6683 2000-03-17 Richard Henderson <rth@cygnus.com>
6685 * rtlanal.c (single_set): Reject if the parallel has anything
6686 except SET or USE or CLOBBER.
6688 2000-03-17 Jeff Law <law@cygnus.com>
6689 Richard Henderson <rth@cygnus.com>
6691 * Makefile.in (OBJS): Add sibcall.o.
6693 * sibcall.c: New file.
6694 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6695 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6696 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6697 Emit sibcall patterns when requested. Update all callers.
6698 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6699 elimination seems feasable.
6700 * final.c (leaf_function_p): Sibling calls don't discount being
6702 * flow.c (HAVE_sibcall_epilogue): Provide default.
6703 (find_basic_blocks_1): Sibling calls don't throw.
6704 (make_edges): Make edge from sibling call to EXIT.
6705 (propagate_block): Don't remove sibcall_epilogue insns.
6706 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6707 (sibcall_epilogue): New.
6708 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6709 (identify_blocks_1): Likewise. Break out from ...
6710 (identify_blocks): ... here.
6711 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6712 (reorder_blocks): ... here.
6713 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6714 (record_insns): Extend a varray instead of mallocing new memory.
6715 (contains): Read a varray not array of ints.
6716 (sibcall_epilogue_contains): New.
6717 (thread_prologue_and_epilogue_insns): Emit and record
6718 sibcall_epilogue patterns.
6719 (init_function_once): Allocate prologue/epilogue varrays.
6720 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6721 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6723 (save_for_inline_nocopy): ... here.
6724 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6726 (expand_inline_function): ... here.
6727 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6728 (subst_constants): Handle 'n' formats.
6729 * jump.c (jump_optimize_minimal): New.
6730 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6731 optimizations if it's set.
6732 * rtl.c (copy_rtx): Do copy jump & call for insns.
6733 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6734 (SIBLING_CALL_P): New.
6735 (sibcall_use_t): New.
6736 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6737 Invoke optimize_sibling_and_tail_recursive_calls.
6738 * tree.c (lang_safe_for_unsave): New.
6739 (safe_for_unsave): New.
6740 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6742 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6743 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6744 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6746 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6748 * objc/objc-act.c (encode_method_prototype): Pass types, not
6749 PARM_DECLs, to int_size_in_bytes.
6751 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6753 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6755 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6756 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6758 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6760 * Clean up usages of TREE_INT_CST_LOW.
6761 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6762 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6764 * c-tree.h (min_precision): Move declaration to here.
6765 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6766 (build_unary_op, add_pending_init): Use bit_position.
6767 (pending_init_member, process_init_element): Likewise.
6768 (really_start_incremental_init, push_init_level, pop_init_level):
6769 Don't make copies of nodes or modify them in place, use consistent
6770 types when tracking positions, and use tree routines computations.
6771 (set_init_index, output_init_element): Likewise.
6772 (output_pending_init_elements, process_init_element): Likewise.
6773 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6774 tree_low_cst and int_bit_position; also minor cleanup.
6775 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6776 (print_cst_octal): Precision is unsigned.
6777 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6778 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6779 (simple_type_align_in_bits): Result is unsigned int.
6780 Use tree_int_low_cst and host_integerp.
6781 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6782 (field_byte_offset): Result is HOST_WIDE_INT.
6783 Change types of internal variables so alignments are unsigned int,
6784 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6785 Use host_integerp, tree_low_cst, and int_bit_position.
6786 (add_bit_offset_attribute): Likewise.
6787 (add_data_member_location_attribute): Use tree_cst_low.
6788 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6789 (add_bit_size_attribute): Use tree_low_cst.
6790 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6791 * dwarfout.c: Similar changes to dwarf2out.c.
6792 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6793 * genoutput.c (n_occurences): Return -1 for null string.
6794 (strip_whitespace): Accept null string and make into function.
6795 (scan_operands): Reflect above changes.
6796 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6797 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6798 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6799 * tree.c (int_size_in_bytes): Check for too big to represent.
6800 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6801 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6803 (min_precision): Delete from here.
6804 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6805 and int_bit_position.
6806 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6807 (encode_method_def): Likewise.
6808 (build_ivar_list_initializer): Use int_bit_position.
6809 (generate_shared_structures): Convert size.
6810 (encode_type, encode_complete_bitfield): Use integer_zerop.
6811 (encode_bitfield): Use tree_low_cst and int_bit_position.
6813 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6815 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
6817 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6819 * call.c (special_function_p): It is only malloc if it returns
6822 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6824 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
6825 (C33_FLAG, TARGET_C3X): Add macros.
6826 (TARGET_SWITCHES): Add -m33 option.
6827 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
6829 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6831 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
6832 (PARALLEL_PACK_FLAG): Delete.
6833 (TARGET_SWITCHES): Update.
6834 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
6836 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6838 * fold-const.c (fold): Fix a few cases when the returned result
6839 is not of the same type as the input.
6841 2000-03-16 Nick Clifton <nickc@cygnus.com>
6843 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
6846 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6848 * libgcc2.h: Move prototypes above macros with the same name.
6849 Wrap some function prototypes in the conditional which indicates
6850 whether they are supported, i.e. "BITS_PER_UNIT == 8".
6852 2000-03-16 Richard Henderson <rth@cygnus.com>
6854 * calls.c: Revert last two changes.
6856 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
6858 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
6859 has exponent 0 is a zero.
6861 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
6862 HASH may already be nonzero. Add code/mode into hash value
6863 immediately after repeat label.
6864 (cselib_lookup): Don't leave the hash table in an inconsistent
6865 state before a hash lookup operation.
6867 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
6869 * i386.md (all HI and QI mode non-move patterns): Conditionize
6870 by TARGET_[HQ]IMODE_MATH.
6871 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6872 x86_promote_qi_regs): Declare.
6873 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
6874 TARGET_PROMOTE_QI_REGS): New macros.
6875 (PROMOTE_MODE): New macro.
6876 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6877 x86_promote_qi_regs): New global variables.
6879 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
6881 * calls.c (emit_library_call_value_1): Break out from ...; handle
6882 VOIDmode function calls too.
6883 (emit_library_call_value): ... here.
6884 (emit_library_call): Implement by calling emit_library_call_value_1.
6886 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
6888 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
6889 Update arg_space_so_far on stack adjustments.
6890 (emit_library_call, emit_library_call_value): Likewise; take into
6891 account arg_space_so_far and pending_stack_adjust when calculcating
6894 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
6896 * flow.c: Move all basic block reordering code into its own file.
6897 (create_basic_block): Externalize.
6898 * bb-reorder.c: New file. Copy all basic block reordering code from
6899 flow.c to this file.
6900 (reorder_basic_blocks): Fix fencepost error in for-loop.
6901 (reorder_basic_blocks): Remove braces from single statement for-loops.
6902 * basic-block.h: Add declaration for create_basic_block.
6903 * Makefile.in: Add rules for bb-reorder.o.
6905 2000-03-16 Neil Booth <NeilB@earthling.net>
6907 * cppinit.c (handle_option): Implement #unassert directive
6908 as -A- command line option.
6909 (print_help): Update.
6910 * cpptexi.c: Update.
6912 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
6914 * md.texi (Standard Names): Document `jump'.
6916 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6918 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
6921 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6923 Merge changes from newppc-branch onto trunk.
6925 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6927 * rs6000.c (toc_hash_table): Update for new hash table functions.
6928 (toc_hash_function): Likewise.
6929 (toc_hash_eq): Likewise.
6930 (toc_hash_mark_entry): Likewise.
6931 (toc_hash_mark_table): Likewise.
6932 (output_toc): Likewise.
6933 (rs6000_add_gc_roots): Likewise.
6935 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6937 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
6938 (AR_FLAGS_FOR_TARGET): here. New macro.
6940 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
6942 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
6943 fpmem_operand) Delete.
6945 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
6946 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
6947 (rs6000_save_machine_status, rs6000_restore_machine_status,
6948 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
6949 references to above variables.
6950 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
6951 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
6952 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
6953 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
6954 (XER_REGNO_P, XER_REGNO): New.
6955 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
6956 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
6957 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
6959 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6960 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
6961 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
6963 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6965 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
6966 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
6967 * rs6000.h: from here.
6969 * rs6000-protos.h (rs6000_select_section): Provide prototype.
6970 (rs6000_select_rtx_section): Likewise.
6971 (rs6000_encode_section_info): Likewise.
6972 (sdata_section): Likewise.
6973 (sdata2_section): Likewise.
6974 (sbss_section): Likewise.
6975 * sysv4.h (rs6000_select_section): Delete prototype.
6976 (rs6000_select_rtx_section): Likewise.
6977 (rs6000_encode_section_info): Likewise.
6978 (sdata_section): Likewise.
6979 (sdata2_section): Likewise.
6980 (sbss_section): Likewise.
6981 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
6983 * sysv4.h: Delete various unnecessary #undef's and put a comment
6984 on the remaining ones.
6985 Change various comments according to coding standard.
6987 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
6989 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
6990 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
6991 (CR0_REGNO_P) Remove.
6992 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
6993 setup_incoming_varargs, mtcrf_operation, print_operand,
6994 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
6995 Use the above macros.
6997 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
6999 * config/rs6000/rs6000.md: Added a new alternative for each
7000 pattern that had a 'x' alternative but no 'y' alternative.
7001 Added a new split for each of the above patterns.
7003 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7005 * aix41.h (ASM_CPU_SPEC): Delete.
7006 (CPP_CPU_SPEC): Delete.
7008 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7009 (ASM_OUTPUT_LABEL): Define.
7010 (ASM_GLOBALIZE_LABEL): Define.
7011 (STRIP_NAME_ENCODING): Define.
7012 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7013 (STRIP_NAME_ENCODING): Don't define.
7014 (ASM_OUTPUT_LABEL): Don't define.
7015 (ASM_GLOBALIZE_LABEL): Don't define.
7016 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7017 names, and ASM_OUTPUT_LABEL to output labels, rather than
7019 (ASM_OUTPUT_LABEL): Define.
7020 (ASM_OUTPUT_INT): Use assemble_name.
7021 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7022 (STRIP_NAME_ENCODING): Don't undefine first.
7023 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7025 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7026 specified with 'asm' even with -fleading-underscore.
7027 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7028 (output_epilog): Likewise.
7029 (output_toc): Likewise.
7030 * tramp.asm: Handle -fleading-underscore correctly.
7032 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7034 (nonlocal_goto_receiver): Delete.
7035 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7037 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7038 (SET_ASM_OP): Define.
7039 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7041 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7044 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7045 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7047 * rs6000.h: Add 'u' to more constants.
7049 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7051 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7053 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7055 * rs6000.c (reg_or_u_cint_operand): New function.
7056 (logical_operand): Handle 64-bit hosts.
7057 (logical_u_operand): New function.
7058 (non_logical_cint_operand): Handle 64-bit hosts.
7059 (non_logical_u_cint_operand): New function.
7060 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7061 (PREDICATE_CODES): Define new functions.
7062 * rs6000-protos.h: Declare new functions.
7063 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7064 (movdi_64): Bracket code intended for 64-bit hosts. Create
7065 CONST_DOUBLE for 32-bit values.
7066 (scc insns): Generate DImode compares.
7067 (mfcr insns): Create DImode versions.
7068 (sge matchers): New patterns.
7070 2000-02-15 Gabriel Paubert <paubert@iram.es>
7072 * rs6000.md: Correct instructions length attributes and
7073 constraints on unsigned compare instructions.
7074 (*ne0): Disable for PowerPC64.
7076 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7078 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7079 quantity, fix profile1.C test failure under -fPIC.
7081 * rs6000.c: Add 'u' to many constants to suppress warnings.
7082 (constant_pool_expr_1): Make static.
7083 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7084 * rs6000.h: Add 'u' to many constants to suppress warnings.
7086 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7087 for the start of the TOC, instead of LCTOC..0.
7088 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7090 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7091 (load_toc_aix_di): Use LCTOC..1.
7093 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7094 * rs6000.c (rs6000_legitimize_address): New function from
7095 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7096 symbols in the constant pool that really are TOC references.
7097 (print_operand_address): For ELF, write TOC offsets under
7098 -fPIC as subtractions in the insn.
7099 (output_toc): For ELF, define symbols in TOC as normal labels,
7101 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7102 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7103 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7104 * rs6000.md (movsi): Only use create_TOC_reference on
7105 symbols in the constant pool that really are TOC references.
7107 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7108 * rs6000.c (rs6000_reorg): Delete.
7109 * rs6000-protos.h (rs6000_reorg): Delete.
7111 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7113 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7115 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7116 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7117 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7118 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7119 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7120 rs6000_aix_emit_builtin_unwind_init.
7121 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7122 rs6000_emit_eh_toc_restore on AIX.
7123 (return_eh_si): Use r2.
7124 (return_eh_di): Use r2.
7126 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7127 since we're breaking binary compatibility anyway.
7129 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7131 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7132 constant_pool_expr_p): Declare them.
7133 (constant_pool_expr_p): Declare it.
7134 * config/rs6000/rs6000.c (toc_label_name): Define.
7135 (rs6000_override_options): Set toc_label_name.
7136 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7137 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7138 uses_TOC): New functions.
7139 (print_operand): Delete old '*' case.
7140 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7141 and strip off rtl for TOC before calling output_addr_const.
7142 (rs6000_emit_load_toc_table): Use toc_label_name.
7143 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7145 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7146 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7147 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7148 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7149 into explicit TOC_REGISTER offsets.
7150 (TOC_REGISTER): New macro.
7151 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7152 TARGET_TOC to reference TOC_REGISTER.
7153 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7154 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7155 uses_TOC before emitting label references.
7157 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7159 * rs6000.md (stack_tie): Fix warning.
7161 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7162 to handle -fleading-underscore.
7163 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7164 (USER_LABEL_PREFIX): New macro.
7165 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7166 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7167 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7168 call-linux can use the same multilibs.
7169 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7170 and call-linux multilibs. Do multilib with -fleading-underscore.
7171 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7172 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7175 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7176 have MASK_SOFT_FLOAT set.
7177 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7178 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7179 CPP_FLOAT_DEFAULT_SPEC.
7181 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7182 * rs6000.md: Whitespace change.
7183 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7184 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7186 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7188 * rs6000.md (eh_epilogue): New expander.
7189 (eh_reg_restore): New expand/split/insn combination.
7190 (return_eh_si): New insn.
7191 (return_eh_di): New insn.
7193 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7194 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7195 * eabi-ctors.c (__do_global_ctors): Register this object's
7196 frame. Clean up. Call atexit() after the constructors.
7197 (__do_global_dtors): Deregister this object's frame. Clean up.
7198 Allow for recursive calls to exit().
7199 * rs6000.c (fixuplabelno): New variable.
7200 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7201 TARGET_RELOCATABLE, it slows down exec() under linux.
7202 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7204 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7205 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7206 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7207 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7208 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7209 (ASM_OUTPUT_DWARF_ADDR): New macro.
7210 (ASM_OUTPUT_DWARF_DATA4): New macro.
7211 (ASM_OUTPUT_DWARF_DATA2): New macro.
7212 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7213 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7214 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7216 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7218 * rs6000.c (rs6000_sr_alias_set): New variable.
7219 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7220 (rs6000_emit_stack_tie): New function.
7221 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7222 in a way that dwarf2out can understand.
7223 (rs6000_frame_related): New function.
7224 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7225 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7226 Use rs6000_emit_stack_tie when needed.
7227 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7228 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7229 * rs6000.md (stack_tie): New insn.
7230 (return_internal_si): Allow return value to be in the count
7232 (return_internal_di): Likewise.
7234 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7236 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7238 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7240 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7242 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7244 * rs6000.md (stmw): Use the right POWER opcode.
7247 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7249 * rs6000-protos.h: New file.
7251 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7253 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7256 * sysv4.h: Likewise.
7258 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7260 * ../../configure.in: Delete powerpcle-*-winnt*
7261 and powerpcle-*-pe|powerpcle-*-cygwin*.
7262 * ../../configure: Regenerated.
7264 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7265 (TARGET_WINDOWS_NT): Delete.
7267 (CALL_NT_DLLIMPORT): Delete.
7268 Delete NT-specific code.
7269 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7272 * nt-ci.asm: Delete.
7273 * nt-cn.asm: Delete.
7274 * ntstack.asm: Delete.
7276 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7278 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7279 (ASM_FILE_START): Likewise.
7280 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7281 (ASM_OUTPUT_LABELREF): Likewise.
7282 (ASM_OUTPUT_SKIP): Likewise.
7283 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7284 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7285 (ASM_OUTPUT_CASE_LABEL): Likewise.
7286 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7287 (ASM_OUTPUT_ASCII): Likewise.
7289 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7291 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7292 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7293 increment rs6000_pic_labelno here.
7294 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7295 and increment rs6000_pic_labelno here.
7297 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7299 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7300 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7301 allocation knows (reg) is dead before the insn.
7303 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7305 * rs6000.md (movsi_to_cr): Correct typo in output template.
7307 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7309 * rs6000.c (rs6000_pic_labelno): Always define.
7310 (rs6000_pic_func_labelno): Delete.
7311 (lmw_operation): Check for a zero base register,
7312 which doesn't mean what we want.
7313 (stmw_operation): New function.
7314 (print_operand): Define new 'l' modifier.
7315 (rs6000_stack_info): We must save all 64 bits of the registers
7316 if TARGET_POWERPC64.
7317 (rs6000_output_load_toc_table): Delete.
7318 (rs6000_emit_load_toc_table): New function.
7319 (rs6000_allocate_stack_space): Delete.
7320 (rs6000_emit_allocate_stack): New function.
7321 (rs6000_emit_prologue): New function.
7322 (output_prolog): Use rs6000_emit_prologue.
7323 (rs6000_emit_epilogue): Change a few variable names to be
7324 more accurate. Restore all 64 bits of the registers if
7325 TARGET_POWERPC64. Only restore the FP registers which were used
7326 if they are being saved/restored one-at-a-time.
7327 (output_mi_thunk): Delete inefficient code generation.
7328 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7329 * rs6000.h: Declare rs6000_emit_load_toc_table,
7330 rs6000_allocate_stack_space, stmw_operation. Don't declare
7331 rs6000_output_load_toc_table.
7332 * rs6000.md (elf_high): Allow register 0, but discourage it
7334 (elf_low): Support loading into register 0.
7335 (load_toc_aix_si): New pattern.
7336 (load_toc_aix_di): New pattern.
7337 (load_toc_v4_pic_si): New pattern.
7338 (load_toc_v4_pic_di): New pattern.
7339 (load_toc_v4_PIC_1): New pattern.
7340 (load_toc_v4_PIC_1b): New pattern.
7341 (load_toc_v4_PIC_2): New pattern.
7342 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7343 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7344 (prologue): New expander.
7345 (movesi_from_cr): New pattern.
7346 (stmw): New pattern.
7347 (save_fpregs_si): New pattern.
7348 (save_fpregs_di): New pattern.
7350 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7352 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7357 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7359 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7361 (movsi_got_internal): Likewise.
7362 (movsi_got_internal+1): Likewise.
7363 (set_sp): 'unspec 7' does a SImode clobber.
7365 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7367 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7368 allocate a stack temporary.
7369 (floatsidf2_internal): Likewise.
7370 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7372 (floatunssidf2): Don't use the fpmem "register", just
7373 allocate a stack temporary.
7374 (floatunssidf2_internal): Likewise.
7375 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7377 (floatsidf2_loadaddr): Delete.
7378 (floatsidf2_store1): Delete.
7379 (floatsidf2_store2): Delete.
7380 (floatsidf2_load): Delete.
7381 (fix_truncdfsi2): Don't use the fpmem "register", just
7382 allocate a stack temporary.
7383 (fix_truncdfsi2_internal_si): Delete.
7384 (fix_truncdfsi2_internal_di): Delete.
7385 (fix_truncdfsi2_internal): New insn.
7386 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7387 (fix_truncdfsi2_store): Delete.
7388 (fix_truncdfsi2_load): Delete.
7389 (fctiwz): Produce gen_fctiwz.
7391 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7393 * eabi.h (INVOKE__main): Define.
7394 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7396 (rs6000_emit_prologue): Likewise.
7397 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7398 this is the main program.
7400 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7402 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7404 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7406 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7407 goes after the argument.
7409 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7411 * rs6000.md: Document 'unspec' values used.
7412 (epilogue): New expander.
7413 (movesi_to_cr_one): New expander.
7414 (movesi_to_cr and following): New pattern.
7416 (return_internal_si): New pattern.
7417 (return_internal_di): New pattern.
7418 (return_and_restore_fpregs_si): New pattern.
7419 (return_and_restore_fpregs_di): New pattern.
7420 * rs6000.h: Declare new functions.
7421 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7422 rather than rs6000_calls_p.
7423 (rs6000_makes_calls): Delete.
7424 (lmw_operation): New function.
7425 (mtcrf_operation): New function.
7426 (rs6000_emit_epilogue): New function.
7427 (output_epilog): Call rs6000_emit_epilogue and final if
7428 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7430 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7432 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7433 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7434 * aix.h (SUBTARGET_SWITCHES): Document switches.
7435 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7436 sched-prolog and sched-epilog the same. Document all the
7438 (TARGET_OPTIONS): No longer allow -mdebug-.
7440 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7442 * rs6000.h (ASM_FILE_END): Move to aix.h.
7443 (EXTRA_SECTIONS): Move to aix.h.
7444 (READONLY_DATA_SECTION): Move to aix.h.
7445 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7446 (SELECT_SECTION): Move to aix.h.
7447 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7448 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7449 (LINK_REGISTER_REGNUM): New definition.
7450 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7451 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7453 * sysv4.h: Delete the code between the inclusion of rs6000.h
7455 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7456 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7457 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7458 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7459 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7460 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7461 (fix_truncdfsi2_internal_di): New pattern.
7462 (fix_truncdfsi2_store): The second arg here is Pmode too.
7463 (fix_truncdfsi2_load): The second arg here is Pmode too.
7464 (tablejumpdi): Now that switch tables hold only SImode values,
7465 gcc needs to know how to add them to the pc which is DImode.
7466 * rs6000.c (rs6000_stack_info): Use symbolic name for
7467 LINK_REGISTER_REGNUM.
7468 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7469 (output_toc): Delete unused variables s1 and s2.
7470 (output_ascii): Use fputs not fprintf on a variable string.
7472 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7474 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7475 * aix43.h: Revert Aug 2 change.
7476 (HAS_INIT_SECTION): Define, not visible yet.
7477 (LD_INIT_SWITCH): Define, not visible yet.
7478 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7480 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7482 * config/rs6000/rtems.h: Include config/rtems.h.
7484 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7486 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7487 (SLOW_UNALIGNED_ACCESS): Define.
7488 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7489 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7490 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7491 (toc_section): Likewise and .toc pseudo-op.
7492 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7494 (TEXT_SECTION_ASM_OP): Likewise.
7495 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7498 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7500 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7501 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7504 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7506 * rs6000.h: Move more stuff from here...
7508 * sysv4.h: Cleanup accordingly.
7509 * netware.h: Likewise
7511 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7513 * rs6000.h: Continue cleanup.
7516 * netware.h: Likewise.
7518 * sysv4.h: Likewise.
7519 * win-nt.h: Likewise.
7521 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7522 (TARGET_OPTIONS): Likewise.
7524 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7525 (SUBTARGET_OPTIONS): Likewise.
7527 * rs6000.md: Fix compile time warnings.
7529 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7531 vxworks patches from the Cygnus tree originally by
7532 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7533 <vmakarov@cygnus.com>.
7534 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7535 (ENDFILE_SPEC): Likewise.
7536 (LIB_VXWORKS_SPEC): New macro.
7537 (STARTFILE_VXWORKS_SPEC): New macro.
7538 (ENDFILE_VXWORKS_SPEC): New macro.
7539 (LINK_START_VXWORKS_SPEC): New macro.
7540 (LINK_OS_VXWORKS_SPEC): New macro.
7541 (CPP_OS_VXWORKS_SPEC): New macro.
7542 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7543 * vxppc.h: Rewrite to use proper configuration method.
7544 * vxppcle.h: New file.
7545 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7546 * ../../configure: Rebuilt.
7548 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7550 Lots of changes to rs6000.h, sysv4.h, aix.h,
7551 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7552 with the aim that rs6000.h is the first header
7553 included and the others override it.
7556 * x-aix41-gld: Remove.
7558 * x-aix41: Remove target-specific switches, and don't specify
7559 -Wl,-bbigtoc as we don't need it any more.
7560 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7561 Use t-aix43 for AIX 4.3 and above.
7562 * ../../configure: Regenerated.
7564 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7565 options, that don't do anything yet.
7566 (MASK_SCHED_PROLOG): New macro.
7567 (MASK_SCHED_EPILOG): New macro.
7568 (TARGET_SCHED_PROLOG): New macro.
7569 (TARGET_SCHED_EPILOG): New macro.
7571 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7573 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7574 one per translation unit, not one per function.
7575 (output_toc): Also do duplicate constant elimination
7576 for per-translation-unit TOCs.
7578 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7579 a comment explaining _exactly_ when this pattern gets used.
7580 (builtin_setjmp_receiver): New pattern for better clarity.
7581 (init_v4_pic): Move it into a section dealing with TOC registers.
7583 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7585 * rs6000.c (toc_hash_table): New variable.
7586 (rs6000_hash_constant): New function.
7587 (toc_hash_function): New function.
7588 (toc_hash_eq): New function.
7589 (toc_hash_mark_entry): New function.
7590 (toc_hash_mark_table): New function.
7591 (output_toc): Don't output duplicate TOC entries in
7593 (rs6000_add_gc_roots): Add the hash table as a GC root.
7594 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7595 where they clearly shouldn't be. This may need to be fixed
7596 later when there is a GNU ar for AIX.
7597 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7598 Don't define BOOT_LDFLAGS as it is now not necessary.
7600 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7602 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7603 for va_list on AIX. Use unsigned_char_type_node rather than
7604 constructing our own version on svr4.
7606 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7608 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7609 since patently it's not.
7611 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7613 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7614 define_expand/define_insn pair, and handle restore of the
7615 SVR4 -fpic register.
7617 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7619 * acconfig.h (HAVE_GAS_WEAK): New define.
7620 * configure.in (assembler weak support): Check for .weak support.
7621 * config.in, configure: Rebuilt.
7622 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7623 HAVE_GAS_WEAK is defined.
7625 2000-03-15 Nick Clifton <nickc@cygnus.com>
7627 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7630 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7632 * cppfiles.c (open_include_file): New function.
7633 (find_include_file, cpp_read_file): Use it.
7635 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7637 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7639 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7641 * flow.c (verify_flow_info): Check for unconditional return.
7643 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7645 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7646 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7647 (__ia64_restore_stack_nonlocal): New.
7648 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7650 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7652 * cpphash.c (collect_formal_parameters): Do not complain about
7653 parameter names that just start with `__VA_ARGS__'.
7655 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7657 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7658 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7659 * i386.c (pentiumpro_cost): Set mul cost to 4.
7660 (x86_use_movx): Set for PPro.
7662 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7664 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7665 STACK_BOUNDARY for empty frames now.
7667 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7669 * stor-layout.c (layout_union): Remove.
7670 (layout_union_field): New function, split out from layout_union.
7671 (finish_union_layout): Likewise.
7672 (layout_field): Handle unions by calling layout_union_field.
7673 (finish_record_layout): Handle unions.
7674 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7675 QUAL_UNION_TYPE handling.
7677 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7679 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7680 end of basic block is jump_insn, not barrier; use create_basic_block
7681 instead of creating basic block by hand.
7683 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7685 * flow.c (reorder_basic_blocks): Account for barriers when writing
7686 over NEXT_INSN (last_bb->end).
7687 (verify_flow_info): Add check for missing barriers.
7689 2000-03-14 Greg McGary <gkm@gnu.org>
7691 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7692 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7693 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7694 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7695 __unbounded, __unbounded__): New keywords.
7696 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7697 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7698 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7700 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7702 * cselib.h: New file.
7703 * alias.c: Include "cselib.h".
7704 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7705 MEMs as two new arguments.
7706 (get_addr): New static function.
7707 (find_base_term): Handle VALUEs.
7708 (memrefs_conflict_p): Likewise.
7709 (true_dependence): Call get_addr on the addresses.
7710 Call fixed_scalar_and_varying_struct_p with addresses that have been
7711 passed through get_addr and canon_rtx.
7712 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7713 with true_dependence.
7714 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7715 * loop.c: Include "cselib.h".
7716 (load_mems): Process extended basic block that enters the loop with
7717 cselib. Use that information to change initialization of the shadow
7718 register so that a constant equivalence is seen by later passes.
7719 * reload1.c: Include "cselib.h".
7720 (reload_cse_invalidate_regno): Delete function.
7721 (reload_cse_mem_conflict_p): Likewise.
7722 (reload_cse_invalidate_mem): Likewise.
7723 (reload_cse_invalidate_rtx): Likewise.
7724 (reload_cse_regno_equal_p): Likewise.
7725 (reload_cse_check_clobber): Likewise.
7726 (reload_cse_record_set): Likewise.
7727 (reg_values): Delete static variable.
7728 (invalidate_regno_rtx): Likewise.
7729 (reload_cse_delete_noop_set): New static function.
7730 (reload_cse_simplify): New static function, broken out of
7732 (reload_cse_noop_set_p): Delete unused argument INSN.
7733 Just call rtx_equal_for_cselib_p on set source and destination.
7734 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7735 reload_cse_delete_noop_set. Delete code to keep track of values; use
7736 cselib functions instead. Delete code to push/pop obstacks.
7737 (reload_cse_simplify_set): Use cselib to find equivalent values.
7738 Delete code to push/pop obstacks.
7739 (reload_cse_simplify_operands): Likewise.
7740 * rtl.def (VALUE): New rtx code.
7741 * rtl.h (union rtunion_def): New elt rt_cselib.
7742 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7743 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7744 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7745 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7746 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7747 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7748 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7749 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7750 cselib_record_set, cselib_record_sets): New static functions.
7751 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7752 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7753 references_value_p): New functions.
7754 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7755 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7756 n_useless_values, reg_values, callmem, cselib_obstack,
7757 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7758 New static variables.
7759 * varray.h (union varray_data_tag): New elt te.
7760 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7761 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7764 2000-03-14 Nick Clifton <nickc@cygnus.com>
7766 * gcc.c (do_spec_1): Catch the case where %* is used in a
7767 substitution pattern, but it has not been initialised.
7768 Issue a meaningful error message if an unrecognised operator
7769 is encountered in a spec string.
7771 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7773 * function.c (prepare_function_start): Correctly initialize
7774 cfun->stack_alignment_needed.
7776 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7778 * cppfiles.c (find_include_file): Don't assume nshort is a
7781 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7783 * configure.in (hppa configurations): Add pa32-regs.h to the
7784 list of tm files as appropriate.
7785 * configure: Rebuilt.
7786 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7788 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7789 (fmpyaddoperands, fmpysuboperands): Likewise.
7790 * pa.h: Remove various definitions which depend on knowing
7791 how registers are numbered.
7792 * pa32-regs.h: New file with PA32 register numbering specific
7795 2000-03-14 Richard Henderson <rth@cygnus.com>
7797 * regmove.c (combine_stack_adjustments): New.
7798 (stack_memref_p, single_set_for_csa): New.
7799 (free_csa_memlist, record_one_stack_memref): New.
7800 (try_apply_stack_adjustment): New.
7801 (combine_stack_adjustments_for_block): New.
7802 * rtl.h (combine_stack_adjustments): Declare.
7803 * toplev.c (rest_of_compilation): Call it.
7805 * i386.md: Revert 2000-01-16 change.
7807 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7809 * gccbug.in: Add web category, gcc specific classes.
7811 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
7813 * stor-layout.c (finalize_record_size): Fix typo.
7815 2000-03-14 Stan Shebs <shebs@apple.com>
7817 * c-typeck.c (c_alignof): Error on incomplete types.
7818 * extend.texi (Alignment): Document this.
7820 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7822 * cppfiles.c: Include mkdeps.h.
7823 (find_include_file, read_include_file): Remove _cpp_ prefix
7824 from name, make static.
7825 (_cpp_execute_include): New function, broken out of
7828 * cpplib.c: Don't include mkdeps.h.
7829 (struct directive): Remove type field. Reorder entries. The
7830 function takes only one argument.
7831 (struct if_stack): Make type field an int.
7832 (directive_table): Rename to dtable. Generate it, the
7833 prototypes of the directive handlers, and the enum for the
7834 directive numbers, from a template macro.
7835 (do_ifndef, do_include_next, do_import): New functions.
7836 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
7837 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
7838 do_ident, do_assert, do_unassert, do_sccs): Take only one
7840 (do_sccs): Define always, but alter behavior based on
7842 (_cpp_handle_directive, consider_directive_while_skipping):
7843 Restructure for new directive table layout.
7845 (pass_thru_directive): Take a directive number, not a pointer
7846 to a struct directive.
7847 (parse_include): New function, broken out of do_include.
7848 (do_include, do_import, do_include_next): Use parse_include
7849 and _cpp_execute_include.
7850 (do_elif, do_else): Test for T_ELSE specifically when checking
7851 for #elif/#else after #else.
7852 (parse_ifdef): New function, broken out of do_ifdef.
7853 (validate_else): Expect a name arg without a leading #.
7854 (if_directive_name): Delete.
7855 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
7856 directive handlers with only one argument.
7858 * cpphash.h: Update prototypes.
7859 (enum node_type): Remove entries for directives.
7860 * Makefile.in: Update dependencies.
7862 * cpphash.c (dump_hash_helper): Only dump nodes of type
7863 T_MACRO. Emit a newline after each definition.
7865 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7867 * gccbug.in: New file.
7868 * configure.in (all_outputs): Add gccbug.
7869 * Makefile.in (install-common): Install gccbug.
7870 (GCCBUG_INSTALL_NAME): New variable.
7871 * configure: Rebuilt.
7873 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7875 * function.c (put_var_into_stack): Use type_for_mode to calculate
7876 part_type. Use MEM_SET_IN_STRUCT_P.
7877 * expr.c (store_field): Handle CONCAT.
7878 (store_constructor): Use fields_length.
7879 * tree.c (fields_length): New fn.
7880 * tree.h: Declare it.
7882 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7884 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
7885 (cpplex.o): New target.
7886 * po/POTFILES.in: Add cpplex.c.
7888 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
7889 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
7890 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
7891 skip_block_comment, skip_line_comment, skip_comment,
7892 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
7893 _cpp_parse_name, skip_string, parse_string,
7894 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
7895 _cpp_get_directive_token, find_position,
7896 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
7897 (maybe_macroexpand, _cpp_lex_token): New functions.
7899 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
7900 parse_goto_mark): Delete.
7901 (_cpp_handle_eof): New function.
7902 (_cpp_handle_directive): Rename from handle_directive.
7903 (_cpp_output_line_command): Rename from output_line_command.
7904 (do_if, do_elif): Call _cpp_parse_expr directly.
7905 * cppfiles.c (_cpp_read_include_file): Don't call
7906 init_input_buffer here.
7907 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
7908 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
7909 here; pop the token_buffer and skip the rest of the line here.
7910 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
7913 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
7915 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
7916 CPP_GOTO_MARK): New macros.
7917 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
7918 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
7919 _cpp_read_and_prescan, _cpp_init_input_buffer,
7920 _cpp_grow_token_buffer, _cpp_get_directive_token,
7921 _cpp_handle_directive, _cpp_handle_eof,
7922 _cpp_output_line_command): Prototype them here.
7923 * cpplib.h (enum cpp_token): Add CPP_MACRO.
7924 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
7925 quote_string, output_line_command): Remove.
7927 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
7929 * stmt.c (expand_end_case): RANGE may be signed, and when checking
7930 whether it is too large we must also verify that it isn't negative.
7932 2000-03-13 Jakub Jelinek <jakub@redhat.com>
7934 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
7935 (movsi_zero_liveg0): Remove.
7936 (movsf_insn_novis_liveg0): Remove.
7938 (negsi2_not_liveg0): Rename to negsi2.
7939 (one_cmplsi2): Remove.
7940 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
7941 (one_cmplsi2_liveg0): Remove.
7942 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
7943 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
7944 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
7945 (PREDICATE_CODES): Remove zero_operand.
7946 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
7947 TARGET_BROKEN_SAVERESTORE.
7948 (zero_operand): Remove.
7949 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
7950 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
7952 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7953 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7954 TARGET_BROKEN_SAVERESTORE): Remove.
7955 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7957 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7959 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7962 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
7964 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7966 * cpplib.c (do_pragma_implementation): Fix off-by-one error
7967 truncating a string. Don't assume tokens are nul terminated.
7968 Problem noted by Andreas Jaeger <aj@suse.de>
7970 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7972 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
7973 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
7974 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
7976 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
7978 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
7979 STRUCTURE_SIZE_BOUNDARY.
7981 2000-03-13 Mark Mitchell <mark@codesourcery.com>
7983 * tree.h (record_layout_info_s): New structure.
7984 (record_layout_info): New type.
7985 (new_record_layout_info): New function.
7986 (layout_field): Likewise.
7987 (finish_record_layout): Likewise.
7988 * stor-layout.c (layout_record): Remove.
7989 (new_record_layout_info): New function.
7990 (layout_field): New function, broken out from layout_record.
7991 (finalize_record_size): Likewise.
7992 (compute_record_mode): Likewise.
7993 (finalize_type_size): New function, broken out from layout_type.
7994 (finish_record_layout): Likewise.
7995 (layout_type): Use them.
7997 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7999 * cpphash.c: Don't include version.h.
8000 (special_symbol) [case T_VERSION]: Look for the string in
8001 hp->value.cpval; don't use version_string.
8002 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8003 __VERSION__ to version_string.
8004 * Makefile.in (cpphash.o): Update deps.
8006 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8008 Convert cpplib to use libiberty/hashtab.c.
8010 * cpplib.h (struct cpp_reader): Make hashtab and
8011 all_include_files of type 'struct htab *'. Delete HASHSIZE
8012 and ALL_INCLUDE_HASHSIZE macros.
8014 * cpphash.h: Update prototypes.
8015 (struct hashnode): Remove next, prev, and bucket_hdr members.
8016 Make length a size_t. Add hash member.
8017 (struct ihash): Remove next member. Add hash member. Make
8018 name a flexible array member.
8020 * cppfiles.c: Include hashtab.h.
8021 (include_hash): Delete.
8022 (IHASHSIZE): New macro.
8023 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8024 (cpp_included): Do the hash lookup here.
8025 (_cpp_find_include_file): Rewrite.
8026 (cpp_read_file): Put the "fake" hash entry into the hash
8027 table. Honor the control_macro, if it turns out we've seen
8028 the file before. Don't push the buffer here.
8029 (_cpp_read_include_file): Push the buffer here.
8030 (OMODES): New macro. Use it whenever we call open(2).
8032 * cpphash.c: Include hashtab.h.
8033 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8034 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8035 _cpp_lookup_slot): New functions.
8036 (HASHSIZE): new macro.
8037 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8038 (_cpp_lookup): Use hashtab.h routines.
8040 * cppinit.c: Include hashtab.h.
8041 (cpp_reader_init): Call _cpp_init_macro_hash and
8042 _cpp_init_include_hash. Don't allocate hashtab directly.
8043 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8044 pfile->all_include_files.
8045 (initialize_builtins): Use _cpp_make_hashnode and
8046 htab_find_slot to add hash entries.
8047 (cpp_finish): Just call _cpp_dump_macro_hash.
8048 * cpplib.c: Include hashtab.h.
8049 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8050 create hash entries.
8051 (do_pragma_poison, do_assert): Likewise.
8052 (do_include): Don't push the buffer here. Don't increment
8053 system_include_depth unless _cpp_read_include_file succeeds.
8054 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8056 (do_pragma_implementation): Use alloca to create copy.
8058 * Makefile.in: Update dependencies.
8060 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8062 * cppinit.c (cl_directive_handler): More K&R fixing.
8064 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8066 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8068 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8070 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8072 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8073 Change from char[] to macros.
8075 2000-03-12 Neil Booth <NeilB@earthling.net>
8077 * cppinit.c (cpp_start_read): Update indirect function
8080 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8082 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8085 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8086 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8088 2000-03-11 Neil Booth <NeilB@earthling.net>
8090 * cppinit.c (struct pending option): Replace undef with a
8091 pointer to a directive handling routine.
8092 (struct cpp_pending): Replace separate assert_ and define_
8093 lists with one directive_ list.
8094 (new_pending_define): Rename new_pending_directive. Extra
8095 argument is the directive's handling routine.
8096 (handle_option): Update to use new_pending_directive.
8098 2000-03-11 Neil Booth <NeilB@earthling.net>
8100 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8101 remap_filename, _cpp_read_include_file, actual_directory,
8102 hack_vms_include_specification): Replace bcopy(), index() etc
8103 calls. Add casts to some allocations. Make some variables
8104 pointers to const [unsigned] char.
8105 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8106 collect_formal_parameters): Similarly.
8107 * cppinit.c (struct pending_option, append_include_chain,
8108 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8109 cpp_start_read, new_pending_define, handle_option): Similarly.
8110 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8111 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8112 do_pragma_implementation, detect_if_not_defined,
8113 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8114 do_assert, do_unassert): Similarly.
8115 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8116 function prototypes.
8117 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8119 2000-03-10 Richard Henderson <rth@cygnus.com>
8121 * builtins.c (expand_builtin_strlen): Revert last change.
8122 Use emit_insn_before if we're at the beginning of a sequence.
8124 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8126 * builtins.c (expand_builtin_strlen): Make sure that we have something
8127 at the beginning of the sequence.
8129 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8132 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8134 2000-03-10 Richard Henderson <rth@cygnus.com>
8136 * except.c (can_throw): Use INTVAL on a CONST_INT.
8137 (reachable_handlers): Likewise.
8138 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8140 2000-03-10 Andreas Jaeger <aj@suse.de>
8142 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8143 MD_STARTFILE_PREFIX since those are not needed on linux.
8144 (ASM_FILE_START): New, from mips/gnu.h.
8146 2000-03-09 Richard Henderson <rth@cygnus.com>
8147 Alex Samuel <samuel@codesourcery.com> and others
8149 * Makefile.in (ssa.o): New rule.
8151 (STAGESTUFF): Add *.ssa and *.ussa.
8152 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8153 * rtl.def (PHI): New RTL expression.
8154 * rtl.h (clear_log_links): New declaration.
8155 (convert_to_ssa): Likewise.
8156 (convert_from_ssa): Likewise.
8157 * flow.c (split_edge): If the entry node falls through to the
8158 split edge's source block, split the entry edge.
8159 (clear_log_links): New function.
8160 * toplev.c (ssa_dump): New variable.
8161 (flag_ssa): Likewise.
8162 (f_options): Add "ssa".
8163 (compile_file): Create SSA dump files.
8164 (rest_of_compilation): Go to and from SSA if enabled.
8165 (decide_d_option): Handle -de for SSA dump files.
8168 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8170 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8173 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8175 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8177 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8179 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8180 (MD_STARTFILE_PREFIX_1): New macro.
8182 2000-03-09 Robert Lipe <robertl@sco.com>
8184 * config/ia64/ia64.c: Include system.h.
8186 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8188 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8189 (init_eh_nesting_info): Likewise.
8191 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8192 (TREE_NOTHROW): Rename from TREE_RAISES.
8193 * toplev.c (rest_of_compilation): Set it.
8194 * print-tree.c (print_node): Adjust.
8195 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8196 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8197 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8198 REG_EH_REGION note as appropriate.
8199 (libfunc_nothrow): New fn.
8200 (emit_library_call, emit_library_call_value): Use it.
8201 (expand_call): Check TREE_NOTHROW.
8203 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8204 DECL_ASSEMBLER_NAME.
8206 2000-03-09 Andreas Jaeger <aj@suse.de>
8208 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8209 (TARGET_MEM_FUNCTIONS): Define.
8211 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8213 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8215 * except.c (can_throw): See through a SEQUENCE.
8216 (nothrow_function_p): New fn.
8217 * except.h: Declare it.
8218 * function.c (current_function_nothrow): New var.
8219 (prepare_function_start): Initialize it.
8220 * output.h: Declare it.
8221 * toplev.c (rest_of_compilation): Set it.
8222 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8224 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8226 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8227 match. (cpp_compare_defs): Count the nul separator when
8228 advancing over argument names.
8230 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8232 * recog.c (preprocess_constraints): Matching constraints affect
8233 same alternative/different operand, not same operand/different
8236 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8237 register and a constant specially.
8239 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8241 * libgcc2.h: New file.
8242 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8244 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8246 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8247 * configure: Regenerate.
8250 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8252 * Makefile.in (LIBCPP_DEPS): New macro.
8253 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8255 * cpperror.c: Include cpphash.h.
8256 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8258 (lex): Don't use CPP_WARN_UNDEF.
8259 (_cpp_parse_expr): Return an int, the truth value.
8260 * cppfiles.c: Include cpphash.h.
8261 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8262 * cppinit.c (include_defaults_array): Disentangle.
8263 (cpp_cleanup): Don't free the if stack here.
8264 (cpp_finish): Pop off all buffers, not just one.
8265 * cpplib.c (eval_if_expr): Return int.
8266 (do_xifdef): Rename do_ifdef.
8267 (handle_directive): Don't use CPP_PREPROCESSED.
8268 (cpp_get_token): Don't use CPP_C89.
8269 * fix-header.c: Don't use CPP_OPTIONS.
8271 * cpplib.h: Move U_CHAR, enum node_type, struct
8272 file_name_list, struct ihash, is_idchar, is_idstart,
8273 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8274 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8275 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8276 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8277 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8278 of _cpp_simplify_pathname, _cpp_find_include_file,
8279 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8280 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8282 Change all uses of U_CHAR to be unsigned char instead.
8283 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8285 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8287 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8288 (dwarf2out_begin_prologue): Set it.
8289 (output_call_frame_info): Don't emit EH unwind info for leaves.
8291 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8292 can occur outside of an EH region.
8293 * except.c: Correct comments about rethrow behavior.
8294 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8296 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8298 * flow.c (make_edges): Always call make_eh_edge for calls.
8300 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8302 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8303 (struct cpp_buffer): Remove fname and underflow fields.
8304 (struct cpp_reader): Remove get_token field.
8305 (struct include_hash): Rename to struct ihash. Add typedef to
8307 (struct if_stack): Remove fname field.
8308 (IF_STACK_FRAME): Rename to IF_STACK.
8310 * cpperror.c (print_containing_files): Trust that there are no
8311 macro buffers below the top file buffer.
8312 * cppfiles.c: Replace all references to 'struct include_hash'
8313 with 'IHASH'. Rename initialize_input_buffer to
8314 init_input_buffer. Don't set or reference cpp_buffer->fname,
8315 use buffer->ihash->name instead.
8316 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8317 not CPP_NULL_BUFFER.
8318 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8319 IF_STACK_FRAME, IHASH not struct include_hash.
8320 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8321 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8322 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8323 references to cpp_buffer->fname (delete entirely, or use
8324 ->ihash->name instead) and IF_STACK->fname.
8325 (cpp_push_buffer): Don't set new->underflow.
8326 (do_include): Use cpp_file_buffer.
8328 * cpphash.c (collect_formal_parameters): Remove duplicate
8329 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8330 used as a macro argument name. Don't append "..." to namebuf
8331 for varargs macros. After we're done scanning, go through
8332 namebuf and make it NUL separated, not comma separated.
8333 (_cpp_compare_defs): Remove register tag from variables.
8334 Expect defn->argnames to be NUL separated.
8335 (_cpp_dump_definition): Expect defn->argnames to be NUL
8336 separated and in forward order.
8337 * cpphash.h: Update documentation of argnames field.
8339 2000-03-08 Richard Henderson <rth@cygnus.com>
8341 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8342 to fail. Don't pre-expand the source operand.
8344 * i386.md (strlensi): Initialize eoschar and align before use.
8346 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8348 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8349 CONSTRUCTOR element.
8351 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8353 * mips.c (mips_expand_prologue): If the last
8354 named argument is the vararg marker "va_list", treat it as
8355 an unnamed argument.
8357 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8359 * dbxout.c (dbxout_parms): When correcting for promoted
8360 big-endian parameters, use the mode of the DECL_RTL rather
8361 than UNITS_PER_WORD.
8363 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8365 * c-common.h (make_fname_decl): Declare.
8366 * c-common.c (make_fname_decl): Define.
8367 (declare_hidden_char_array): Remove.
8368 (declare_function_name): Use make_fname_decl.
8369 * c-decl.c (c_make_fname_decl): New function.
8370 (init_decl_processing): Set make_fname_decl.
8372 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8374 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8376 2000-03-07 Philipp Thomas <pthomas@suse.de>
8378 * po/POTFILES.in: Remove cppalloc.c from file list.
8380 2000-03-07 Steve Chamberlain <sac@pobox.com>
8382 * pj.c (pj_expand_prologue): current_function->args_info is
8383 now current_function_args_info.
8385 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8386 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8387 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8389 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8391 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8392 output as hexadecimal rather than the default octal.
8394 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8396 * cpphash.c (special_symbol): Fix thinko in previous commit.
8398 2000-03-07 Neil Booth <NeilB@earthling.net>
8400 * cppexp.c (struct operation, left_shift, right_shift,
8401 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8402 "int"s to "unsigned int"s.
8403 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8405 * cpplib.h: Update for above.
8406 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8407 returned from allocations.
8409 * cppinit.c (opt_comp, parse_options): New functions.
8410 (handle_option): Use parse_option to parse a single command
8411 line option, that possibly takes an argument.
8412 (cpp_handle_options): Sort the array of command line options on
8413 first invocation (non-ASCII hosts only).
8414 (print_help): Update.
8416 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8418 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8419 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8421 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8423 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8425 * cpperror.c (cpp_print_containing_files,
8426 cpp_print_file_and_line, v_cpp_message): Rename to
8427 print_containing_files, print_file_and_line, and v_message.
8428 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8429 to _cpp_parse_expr, parse_escape, and lex.
8430 (parse_charconst): Remove broken multibyte support.
8431 * cppfiles.c (include_hash): Make static.
8432 (cpp_included): New function.
8433 (merge_include_chains, find_include_file, finclude,
8434 simplify_pathname): Rename to _cpp_merge_include_chains,
8435 _cpp_find_include_file, _cpp_read_include_file, and
8436 _cpp_simplify_pathname.
8437 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8438 cpp_install, create_definition, macroexpand, compare_defs,
8439 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8440 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8441 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8442 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8444 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8446 * cpphash.h: Update prototypes.
8447 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8449 2000-03-07 Andrew Haley <aph@cygnus.com>
8451 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8452 PTRDIFF_TYPE should be based solely on Pmode.
8455 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8457 * rtl.h (rtunion_def): Constify member `rtstr'.
8458 (emit_line_note_after, emit_line_note, emit_line_note_force,
8459 emit_note, decode_asm_operands): Constify.
8461 * cse.c (canon_hash): Likewise.
8463 * dbxout.c (dbxout_block): Likewise.
8465 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8466 v_warning_for_asm): Likewise.
8468 * dwarfout.c (function_start_label): Likewise.
8470 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8471 emit_line_note_force): Likewise.
8473 * final.c (last_filename, asm_insn_count, final_scan_insn,
8474 output_source_line): Likewise.
8476 * function.h (struct emit_status): Likewise.
8478 * gcse.c (hash_expr_1): Likewise.
8480 * genattr.c (gen_attr, main): Likewise.
8482 * genattrtab.c (struct function_unit, current_alternative_string,
8483 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8484 attr_numeral, check_attr_test, check_attr_value,
8485 convert_set_attr_alternative, convert_set_attr,
8486 compute_alternative_mask, simplify_by_exploding, gen_attr,
8487 gen_unit): Likewise.
8489 * genflags.c (gen_insn): Likewise.
8491 * gengenrtl.c (type_from_format): Likewise.
8493 * genopinit.c (gen_insn): Likewise.
8495 * genoutput.c (n_occurrences, process_template, process_template):
8498 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8501 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8504 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8505 ggc_set_mark, ggc_get_size): Likewise.
8507 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8509 * optabs.c (init_one_libfunc): Likewise.
8511 * output.h (assemble_start_function): Likewise.
8513 * recog.c (decode_asm_operands): Likewise.
8515 * toplev.c (rest_of_compilation): Likewise.
8517 * tree.h (emit_line_note_after, emit_line_note,
8518 emit_line_note_force): Likewise.
8520 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8521 asm_emit_uninitialised, assemble_start_function,
8522 assemble_variable, const_hash, compare_constant_1,
8523 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8525 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8527 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8529 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8531 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8533 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8534 arm_dllimport_name_p): Likewise.
8536 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8539 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8541 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8543 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8544 arm_mark_dllexport, arm_mark_dllimport,
8545 arm_pe_encode_section_info): Likewise.
8547 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8548 ASM_FINISH_DECLARE_OBJECT): Likewise.
8550 * arm/thumb.c (thumb_function_prologue): Likewise.
8552 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8554 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8556 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8558 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8560 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8562 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8564 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8565 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8567 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8569 * i386/i386.c (asm_output_function_prefix): Likewise.
8571 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8573 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8575 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8577 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8578 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8579 ASM_OUTPUT_SECTION_NAME): Likewise.
8581 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8583 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8585 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8587 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8589 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8591 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8593 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8595 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8597 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8599 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8601 * mips/mips.md (movdi, movsi): Likewise.
8603 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8605 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8607 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8609 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8610 ASM_OUTPUT_ASCII): Likewise.
8612 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8613 output_mi_thunk, output_toc): Likewise.
8615 * rs6000/rs6000.md (movsi): Likewise.
8617 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8619 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8621 * v850/v850.c (print_operand, print_operand_address,
8622 v850_encode_data_area): Likewise.
8624 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8626 * config/mips/mips.md (zero_extendsidi2): Always force operand
8627 one to memory for mips16.
8629 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8631 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8632 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8633 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8634 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8635 (min_precision): Result is unsigned.
8636 (add_double, neg_double, mul_double): Low word is unsigned.
8637 (lshift_double, rshift_double, lrotate_double): Likewise.
8638 (rrotate_double, div_and_round_double): Likewise.
8639 (tree_floor_log2, compare_tree_int): New functions.
8640 (preserve_rtl_expr_temps): New declaration.
8641 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8642 (decl_attributes): Use tree_log2 to find alignment.
8643 Check for TREE_INT_CST_HIGH for format args.
8644 (min_precision): Now unsigned.
8645 Use tree_floor_log2.
8646 (truthvalue_conversion): Delete long-disabled code.
8647 * c-decl.c (finish_struct): Clean up tests on field width.
8648 (finish_function): Use compare_tree_int.
8649 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8650 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8651 (default_conversion, digest_init): Use compare_tree_int.
8652 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8653 Fix type errors in forming masks.
8654 * calls.c (initialize_argument_information): Use compare_tree_int.
8655 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8656 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8657 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8658 (store_field): Use compare_tree_int.
8659 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8660 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8661 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8662 (do_store_flag): Use compare_tree_int.
8663 * fold-const.c (encode, decode): Low part is always unsigned.
8664 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8665 (lshift_double, rshift_double, lrotate_double): Likewise.
8666 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8667 (fold_convert): Use compare_tree_int.
8668 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8669 (invert_truthvalue, case INTEGER_CST): Likewise.
8670 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8671 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8672 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8673 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8675 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8676 (expand_end_case): Use compare_tree_int.
8677 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8678 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8679 (layout_decl): Likewise.
8680 (layout_record, layout_union): Make sizes unsigned.
8681 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8682 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8683 * tree.c (struct type_hash): hashcode is unsigned.
8684 (build_type_attribute_variant, type_hash_list): Likewise.
8685 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8686 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8687 (build_complex_type): Likewise.
8688 (real_value_from_int_cst): Remove unneeded casts.
8689 (integer_all_onesp): Add casts.
8690 (tree_floor_log2, compare_tree_int): New functions.
8691 (build_index_type): Use tree_int_cst_sgn.
8692 * varasm.c (assemble_variable): Use compare_tree_int.
8694 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8696 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8698 * varasm.c (make_decl_rtl): Don't add a number to members of
8700 (make_function_rtl): Likewise.
8702 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8704 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8705 patch from 2000-01-28.
8707 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8709 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8710 filled with an insn from the jump target.
8712 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8714 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8715 (c4x_external_ref): Likewise.
8716 * config/c4x/c4x.c (struct name_list): Likewise.
8718 1999-12-16 Ben Collins <bcollins@debian.org>
8720 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8721 argument to genmultilib.
8722 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8723 the contents into the multilib.h header.
8724 * gcc.c: Declare multilib_exclusions for the specs file.
8725 (set_multilib_dir): Use it.
8726 (print_multilib_info): Likewise.
8727 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8728 to pass to genmultilib.
8730 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8732 * builtins.c (built_in_class_names, built_in_names): Constify a
8735 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8737 (_mcleanup): Ensure value matches format specifier in sprintf.
8739 * cpphash.c (special_symbol): Don't needlessly cast away
8742 * cppinit.c (base_name): Delete unused prototype.
8744 * mkdeps.c (deps_init): Make definition K&R safe.
8746 * tree.h (built_in_class_names, built_in_names): Constify a
8749 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8751 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8752 floating point instructions for epilogue delay.
8754 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8755 to gas if it supports .register pseudo.
8757 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8758 LONG_DOUBLE_TYPE_SIZE if not defined.
8759 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8760 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8762 * gengenrtl.c: Likewise.
8763 * print-rtl.c: Likewise.
8765 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8766 MASK_LONG_DOUBLE_128.
8767 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8768 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8769 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8770 (SUBTARGET_SWITCHES): Define.
8771 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8772 with -mlong-double-128.
8773 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8774 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8775 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8776 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8777 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8778 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8779 with -mlong-double-128.
8780 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8781 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8782 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8783 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8784 TARGET_LONG_DOUBLE_128): Define.
8785 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8786 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8787 long double on TARGET_ARCH64.
8789 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8791 * function.c (free_temps_for_rtl_expr): Don't free slots
8792 that have been pushed into a higher level.
8795 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8797 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8799 * basic-block.h (ALLOCA_REG_SET): Remove.
8800 (INITIALIZE_REG_SET): New macro.
8801 * flow.c (update_life_info): Use it.
8802 (calculate_global_regs_live): Likewise.
8803 (propagate_block): Likewise.
8804 * global.c (build_insn_chain): Likewise.
8805 * haifa-sched.c (schedule_region): Likewise.
8807 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8809 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
8810 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
8811 (DWARF_ARANGES_PAD_SIZE): New define.
8812 (output_aranges): Use it to pad the address range header.
8813 (DWARF_ROUND): Fix for non power of 2 rounding.
8815 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
8817 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
8819 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8821 * tree.def (RTL_EXPR): Update documentation.
8822 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
8823 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
8824 * function.c (preserve_rtl_expr_temp): New function.
8825 (preserve_rtl_expr_temps): Likewise.
8826 (preserve_rtl_expr_result): Use it.
8829 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8831 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
8833 * regmove.c (copy_src_to_dest) Do not create src->dest move
8834 for unchanging destination.
8836 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8838 * function.h (struct sequence_stack): Remove rtl_expr.
8839 (struct emit_staus): Likewise.
8840 (seq_rtl_expr): Remove.
8841 * tree.h (free_temps_for_rtl_expr): Don't declare.
8842 (start_sequence_for_rtl_expr): Likewise.
8843 * rtl.h (preserve_rtl_expr_result): Likewise.
8844 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
8845 (start_sequence_for_rtl_expr): Remove.
8846 (push_topmost_sequence): Don't save sequence_rtl_expr.
8847 (pop_topmost_sequence): Remove comment about not restoring it.
8848 (end_sequence): Don't set seq_rtl_expr.
8849 (init_emit): Don't initialize it.
8850 (mark_sequence_stack): Don't mark it.
8851 (mark_emit_status): Likewise.
8852 * except.c (protect_with_terminate): Use
8853 start_sequence_for_rtl_expr, not start_sequence.
8854 * expr.c (expand_expr, case RTL_EXPR): Don't call
8855 preserve_rtl_expr_result or free_temps_for_rtl_expr.
8856 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
8857 (preserve_rtl_expr_result): Remove.
8858 (free_temps_for_rtl_expr): Likewise.
8859 (pop_temp_slots): Likewise.
8860 (mark_temp_slot): Don't mark the rtl_expr.
8861 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
8862 start_sequence_for_rtl_expr.
8864 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
8866 * mkdeps.c, mkdeps.h: New files.
8867 * po/POTFILES.in: Add them.
8868 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
8869 (cpplib.o, cppinit.o): Depend on mkdeps.h.
8870 (mkdeps.o): New target.
8872 * cppfiles.c: Delete deps_output.
8873 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
8874 OBJECT_SUFFIX, and base_name.
8875 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
8877 (initialize_dependency_output): Use deps_init,
8878 deps_add_target, deps_calc_target, and deps_add_dep. Remove
8879 all the unnecessary string bashing.
8880 (cpp_finish): Use deps_write. Remove an unnecessary nesting
8882 * cpplib.c (do_include): Use deps_add_dep.
8883 * cpplib.h (struct cpp_reader): Replace deps_buffer,
8884 deps_allocated_size, deps_size, deps_column members with
8885 single pointer to a struct deps. Delete prototype of
8888 * cppinit.c: Fix thinko in previous patch.
8890 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8892 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
8893 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
8894 (mode_for_size_tree): New function.
8895 (layout_decl, layout_type): Call it and clean up BLKmode checks.
8896 * tree.h (mode_for_size_tree): New declaration.
8898 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
8900 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
8902 * stmt.c (is_body_block): Move...
8903 * dwarfout.c, dwarf2out.c: ...from here.
8904 * tree.h: Declare it.
8905 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
8906 * final.c (final_start_function): Do call remove_unnecessary_notes
8909 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8911 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
8913 * cpplib.h (_dollar_ok): New macro.
8914 (is_idchar, is_idstart): Use it.
8915 (IStable): Rename to _cpp_IStable. Declare it const if
8916 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
8917 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
8918 is_space): Update for renamed IStable.
8920 * cppinit.c: Delete all references to FAKE_CONST and CAT
8921 macros. Define init_IStable as empty macro if gcc >=2.7 or
8922 C99. Change TABLE() to ISTABLE and hardcode name of table.
8923 (cpp_start_read): Don't change the IStable based on
8926 * cpphash.c (unsafe_chars): Add pfile argument. All callers
8927 changed. Handle '$' for char1 correctly.
8928 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
8930 * cppexp.c (tokentab2): Make const.
8931 (cpp_lex): Make toktab const.
8932 * cppinit.c (include_defaults_array): Make const.
8933 (initialize_standard_includes): Make default_include const.
8935 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8937 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
8938 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
8939 (gen_decl_die): Likewise.
8940 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
8941 (output_decl): Likewise.
8943 * varasm.c (make_function_rtl): If we change the name used in the
8944 rtl, update DECL_ASSEMBLER_NAME accordingly.
8945 (make_decl_rtl): Likewise.
8947 * toplev.c (rest_of_compilation): Tweak formatting.
8949 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
8950 remove_unnecessary_notes.
8951 (debug_ignore_block): New fn.
8952 * toplev.h: Declare it.
8953 * emit-rtl.c (remove_unncessary_notes): Call it.
8954 * dwarf2out.c (dwarf2out_ignore_block): New fn.
8955 * dwarf2out.h: Declare it.
8956 * final.c (final_start_function): Don't call remove_unnecessary_notes
8957 if we did insn scheduling.
8959 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8961 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
8962 * cpplib.h: Delete SET_CPP_PEDANTIC.
8964 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8966 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
8967 result is a RECORD_TYPE.
8969 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
8971 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
8973 2000-03-03 Richard Henderson <rth@cygnus.com>
8975 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
8976 addition over compliments over shifts.
8978 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8980 * reload1.c (reload_combine_note_use): Handle return register USEs.
8981 REG case: Handle multi-hard-register hard regs.
8983 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8985 * md.texi: Document use of '*' in insn pattern name.
8987 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8989 * calls.c (special_function_p): operator new may not be malloc-like.
8991 * gcse.c (dump_hash_table): Really fix error in last change.
8993 2000-03-02 Denis Chertykov <denisc@overta.ru>
8995 * avr.c (print_operand): Use print_operand_address instead of
8997 * avr/libgcc.S: Cleanup code.
8999 2000-03-02 Richard Henderson <rth@cygnus.com>
9001 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9003 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9005 * tree.h (TYPE_ALIGN_UNIT): New macro.
9007 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9009 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9011 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9013 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9015 (SET_CPP_PEDANTIC): New macro.
9016 * cpplib.c (do_include): Don't bother checking system_header_p.
9017 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9018 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9020 * function.h (struct expr_status): Add x_arg_space_so_far.
9021 (arg_space_so_far): New macro.
9022 * expr.c (init_expr): Initialize it.
9023 * calls.c (emit_call_1): Reset it.
9024 (compute_argument_block_size, expand_call): Use it.
9025 (expand_call, store_one_arg): Increment it.
9027 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9029 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9032 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9034 * cppfiles.c (cpp_read_file): New function.
9036 * cpphash.c (collect_expansion): Make sure to reset last_token
9037 to NORM when we hit a string. Handle trailing whitespace
9038 properly when the expansion is empty.
9039 (create_definition): Disable line commands while parsing the
9041 (dump_definition): If pfile->lineno == 0, output a line
9042 command ahead of the dump, and add a trailing newline.
9044 * cppinit.c (append_include_chain): Add fifth argument, which
9045 indicates whether or not system headers are C++ aware.
9046 (initialize_standard_includes): New function,
9047 broken out of read_and_prescan. Pass 'cxx_aware' value from
9048 the include_defaults_array on to append_include_chain.
9049 (dump_special_to_buffer): Const-ify char array.
9050 (builtin_array): Don't dump __BASE_FILE__.
9051 (cpp_start_read): Use cpp_read_file. Reorder code for
9052 clarity. Don't output line commands here for -D/-A/-U
9053 switches. Don't call deps_output for files included with
9054 -include or -imacros.
9056 * cpplib.c (do_define): Don't pay any attention to the second
9058 (cpp_expand_to_buffer): Disable line commands while scanning.
9059 (output_line_command): Work in the file buffer.
9060 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9061 Fix formatting of comments. Prototype cpp_read_file.
9063 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9065 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9066 reference the language-equivalent of sizetype.
9067 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9068 * fold-const.c (size_binop, size_diffop): Put back checks.
9069 * gcse.c (dump_hash_table): Fix minor error in last change.
9070 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9071 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9074 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9076 * calls.c (expand_call) Do not attempt to combine stack adjustments
9077 with inhibit_defer_pop set.
9079 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9081 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9082 the DECL_SIZE for a FIELD_DECL.
9084 2000-03-01 Bruce Korb <bkorb@gnu.org>
9086 * fixinc/inclhack.tpl: remove unused symlinks
9087 * fixinc/README: GCC Maintainer info
9088 * fixinc/inclhack.sh: regen
9089 * fixinc/fixincl.sh: regen
9091 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9093 * cpphash.c (collect_expansion): Trim trailing white space
9094 from macro definitions, but don't go past the last insertion
9097 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9099 * i386.md (mulqi3): New pattern.
9101 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9103 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9105 (struct cpp_reader): Add parsing_if_directive and
9106 parsing_define_directive flags.
9107 (struct cpp_options): Remove output_conditionals flag.
9108 (check_macro_name): Delete prototype.
9110 * cpphash.h (struct macrodef): Delete.
9111 (struct reflist): Separate from struct definition.
9112 (struct definition): Remove unused fields. Add column number.
9113 (create_definition): Returns a DEFINITION *. Takes a
9114 cpp_reader * and an int.
9116 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9117 (PEEKC): Copy defn from cpplib.c.
9118 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9120 (struct arglist): Simplify.
9121 (collect_expansion): Rewrite. Get tokens by calling
9122 cpp_get_token. Add more error checking.
9123 (collect_formal_parameters): New function, broken out of
9124 create_definition and reworked to use get_directive_token.
9125 (create_definition): All real work is now in collect_expansion
9126 and collect_formal_parameters. do_define handles finding the
9127 macro name. Return a DEFINITION, not a MACRODEF.
9128 (macroexpand): Replace bcopy with memcpy throughout. Replace
9129 character-at-a-time copy loop with memcpy and pointer increments.
9130 (compare-defs): d1->argnames / d2->argnames might be null.
9132 * cpplib.c (copy_rest_of_line): Delete function.
9133 (skip_rest_of_line): Do all the work ourselves.
9134 (skip_string): New function.
9135 (parse_string): Use skip_string.
9136 (get_macro_name): New function.
9137 (check_macro_name): Delete.
9138 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9139 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9140 (handle_directive): ICE if we're called on a macro buffer.
9141 (do_define): Determine macro name and type (funlike/objlike)
9142 here. Expunge all uses of MACRODEF.
9143 (cpp_push_buffer): Set line_base to NULL.
9144 (do_undef, read_line_number): Don't worry about getting a POP token.
9145 (eval_if_expression): Set/reset parsing_if_directive around
9146 cpp_parse_expr. Don't clear only_seen_white.
9147 (skip_if_group): Remove output_conditionals logic. Use
9149 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9150 tokens under appropriate conditions.
9151 (cpp_unassert): Call do_unassert not do_assert. Oops.
9153 * cppexp.c (parse_defined): New function, break out of
9155 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9156 ourselves, with cpp_defined.
9157 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9159 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9160 * gcc.dg/strpaste-2.c: New.
9162 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9164 * fold-const.c (size_binop): Don't asert inputs are the same and
9165 have TYPE_IS_SIZETYPE set.
9166 (size_diffop): Likewise.
9168 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9170 * dwarfout.c (output_block): Output abstract blocks even if they
9171 don't have TREE_ASM_WRITTEN set.
9173 * calls.c (emit_library_call): Check for null REG.
9175 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9177 * c-decl.c (current_function_decl): Move to toplev.c.
9178 (init_decl_processing): Don't add current_function_decl as a ggc
9180 * dbxout.c (dbxout_symbol): Change return type to int.
9181 (dbxout_symbol_location, dbxout_syms): Likewise.
9182 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9183 any locals. Use current_function_func_begin_label if set.
9184 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9185 * dwarf2out.c (dwarf2out_begin_prologue): Set
9186 current_function_func_begin_label.
9187 * final.c (final_start_function): Reset it.
9188 * toplev.c (current_function_decl): Define it here.
9189 (current_function_func_begin_label): New variable.
9190 (main): Add both as ggc roots.
9191 * tree.h (current_function_func_begin_label): Declare.
9193 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9195 * gcse.c: Cleanups throughout: mostly white-space, but also
9196 some minor rearrangement of code.
9198 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9200 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9201 returns a PARALLEL. Use emit_group_load and use_group_regs
9203 (emit_library_call_value): Similarly.
9205 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9206 * pa/quadlib.asm: Remove.
9207 * pa/quadlib.c: New file.
9209 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9210 * configure: Rebuilt.
9212 2000-02-29 Philip Blundell <pb@futuretv.com>
9214 * config/arm/conix-elf.h: New file.
9215 * configure.in (arm*-*-conix*): New configuration.
9216 * configure: Regenerate.
9218 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9220 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9221 don't have TREE_ASM_WRITTEN set.
9223 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9225 * Eliminate DECL_FIELD_SIZE.
9226 * builtins.c (built_in_class_names, built_in_names): New variables.
9227 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9228 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9229 DECL_SIZE, not DECL_FIELD_SIZE.
9230 * print-tree.c (print_node): Remove code that prints extra blank
9231 lines in some cases.
9232 Properly handle inline and builtin function cases.
9233 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9234 * tree.h (built_in_class_named, built_in_names): New declarations.
9235 (union tree_decl): Rename internal unions to u1 and u2 and change
9236 some of their components.
9237 Add new field built_in_class.
9238 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9239 Reflect above changes.
9240 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9241 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9242 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9243 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9245 2000-02-28 Dmitri Makarov <dim@windriver.com>
9247 * extend.texi: Document ARM's support for long/short calls.
9249 * invoke.texi: Document ARM's -mlong-calls command line switch.
9251 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9252 (arm_encode_call_attribute): Add prototype.
9253 (arm_set_default_type_attribute): Add prototype.
9254 (arm_strip_name_encoding): Add prototype.
9256 * config/arm/arm.c (arm_init_cumulative_args): replace
9257 initialisation og 'long_calls' field with initialisation of
9258 'call_cookie' field.
9259 (enum arm_pragma_enum): New enum.
9260 (arm_pragma_long_calls): New static variable.
9261 (arm_process_pragma): Also process "#pragma long_calls_off".
9262 (arm_valid_type_attribute_p): Accept short_call attribute.
9263 (arm_comp_type_attributes): Check long/short call attributes.
9264 (arm_encode_call_attribute): New function: Encode long_call
9265 or short_call attribute in function name.
9266 (arm_set_default_type_attributes): New function: Assign
9267 default attributes to newly defined type.
9268 (current_file_function_operand): New function: Return true if
9269 the symbol is a function which has already been compiled.
9270 (arm_is_longcall_p): New function: Return true if the
9271 indicated function should be called via a long call.
9272 (arm_get_strip_length): New function. Returns number of
9273 prefix characters to be stripped from a function's name.
9274 (arm_strip_name_encoding): New function. Strip prefix characters
9275 from a function's name.
9277 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9279 (SHORT_CALL_FAG_CHAR): Define.
9280 (LONG_CALL_FAG_CHAR): Define.
9281 (ENCODED_SHORT_CALL_ATTR_P): Define.
9282 (ENCODED_LONG_CALL_ATTR_P): Define.
9283 (ARM_NAME_ENCODING_LENGTHS): Define.
9284 (STRIP_NAME_ENCODING): Define.
9285 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9286 (ARM_ENCODE_CALL_TYPE): Define.
9287 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9288 (ARM_DECLARE_FUNCTION_SIZE): Define.
9289 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9291 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9292 if a long call is needed.
9293 (call_value): Ditto.
9294 (call_symbol): Ditto.
9296 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9297 ARM_DECLARE_FUNCTION_SIZE.
9299 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9300 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9301 (ARM_STRIP_NAME_ENCODING): Undefine.
9302 (STRIP_NAME_ENCODING): Undefine.
9303 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9304 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9305 (ASM_OUTPUT_COMMON): Ditto.
9306 (ASM_DECLARE_OBJECT_NAME): Ditto.
9308 * config/arm/pe.c (arm_dllexport_name_p): Check for
9310 (arm_dllimport_name_p): Ditto.
9311 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9312 (arm_mark_dllimport): Ditto.
9314 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9316 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9318 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9320 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9322 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9324 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9325 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9326 NO_BUILTIN_WCHAR_TYPE is not defined.
9327 (CPP_WCHAR_TYPE): Delete.
9328 * cccp.c (main): Don't change wchar_type if cplusplus.
9329 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9331 2000-02-28 Nick Clifton <nickc@cygnus.com>
9333 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9335 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9337 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9338 (ASM_WEAKEN_LABEL): Define.
9340 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9342 * expr.c (store_constructor): Do not emit USE.
9343 * rtl.h (stupid_life_analysis): Remove.
9345 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9347 * function.c (number_blocks): Reset next_block_index based on
9348 what debugging format is used, not what is defined.
9350 * lcm.c: Minor reformatting throughout.
9351 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9353 * toplev.c (rest_of_compilation): Account for time in
9354 optimize_mode_switching.
9356 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9357 if only marking labels.
9359 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9361 * calls.c (expand_call): Attempt to combine stack adjustments with
9362 pending stack adjustments.
9364 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9366 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9367 to the end of the function.
9369 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9371 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9373 * final.c (next_block_index): Remove.
9374 (max_block_depth): Likewise.
9375 (pending_blocks): Likewise.
9376 (init_final): Don't initialize them.
9377 (final_start_function): Don't set next_block_index. Set up
9379 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9380 * function.h (number_blocks): New function.
9381 * function.c (get_block_vector): New function.
9382 (identify_blocks): Use it.
9383 (reorder_blocks): Set NOTE_BLOCK.
9384 (number_blocks): New function.
9385 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9386 * tree.h (BLOCK_NUMBER): New macro.
9387 (tree_block): Add block_num field.
9388 * dbxout.c (next_block_number): Remove.
9389 (dbxout_init): Don't set it.
9390 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9391 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9393 * toplev.c (rest_of_compilation): Always call
9394 find_loop_tree_blocks. Fix indentation.
9395 * dwarf2out.c (next_block_number): Remove.
9396 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9397 to determine block numbers.
9398 (gen_inlined_subroutine_die): Likewise.
9399 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9400 (decls_for_scope): Don't increment next_block_number.
9401 * dwarfout.c (next_block_number): Remove.
9402 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9403 to determine block numbers.
9404 (output_inlined_subroutine_die): Likewise.
9405 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9406 (output_decls_for_scope): Don't increment next_block_number.
9407 * sdbout.c (next_block_number): Remove.
9408 (sdbout_block): Use BLOCK_NUMBER.
9409 (sdbout_begin_block): Simplify.
9410 * xcoffout.c (next_block_number): Remove.
9411 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9412 (xcoffout_begin_block): Don't set next_block_number.
9413 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9416 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9418 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9419 (expand_builtin_strcpy): Pass correct type to size_binop.
9420 (expand_builtin_strcmp): Likewise.
9421 Clean up conditional structure.
9422 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9423 (complete_array_type): Don't use size_binop for MAXINDEX.
9424 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9425 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9426 (c_alignof): Use size_one_node.
9427 (build_unary_op): Pass arg of proper type to size_binop.
9428 (really_start_incremental_init, push_init_level): Use sizetype for
9429 constructor{,_bit,_unfilled}_index.
9430 (pop_init_label, output_init_element): Likewise.
9431 (output_pending_init_elements, process_init_element): Likewise.
9432 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9433 * expr.c (store_expr): Use size_int.
9434 (store_constructor): Use proper types for size_binop args.
9435 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9436 (expand_expr_unaligned): Likewise.
9437 (string_contant): Return object of sizetype.
9438 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9439 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9440 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9441 * fold-const.c (int_const_binop): Refine when size_int is called.
9442 (fold_convert): Likewise.
9443 (size_int_wide): Rework to take KIND as arg, only take low order
9444 bits, handle new sizetype_tab datatype, and chain entries in
9446 (size_int_type_wide): New function.
9447 (size_binop): Validate types of arguments.
9448 (ssize_binop): Deleted.
9449 (size_diffop): New function.
9450 (extract_muldiv): Only fold division into multiplication for sizetypes.
9451 * function.c (assign_parms): Use size_diffop and make sure
9452 VAR field is of ssizetype; also pass proper type to size_binop.
9453 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9454 (round_down): Deleted from here.
9455 * store-layout.c (sizetype_tab): Now an array.
9456 (sizetype_set, early_root_list): New variables.
9457 (variable_size): Use size_one_node.
9458 (round_up): Pass proper type to size_binop.
9459 (round_down): Moved to here and corrected as above.
9460 (layout_record): Pass proper arg types to size_binop.
9461 (layout_type): Likewise.
9462 If sizetype_set is zero, record the type just laid out.
9463 (make_unsigned_type): Don't call set_sizetype;
9464 (make_signed_type): Likewise; also, call fixup_signed_type.
9465 (initialize_sizetypes): New function.
9466 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9467 set name of bitsizetype to "bit_size_type".
9468 Fix up type of sizes of all types made before call.
9469 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9470 * tree.c (fix_sizetype): Deleted.
9471 (build_common_tree_nodes): Call initialize_sizetypes.
9472 (build_common_tree_nodes_2): Don't call fix_sizetype.
9473 * tree.h (TYPE_IS_SIZETYPE): New macro.
9474 (initialize_sizetype): New declaration.
9475 (enum size_type_kind): New type.
9476 (struct sizetype_tab): Deleted.
9477 (sizetype_tab): Now array; adjust sizetype macros.
9478 (size_diffop, size_int_type_wide): New functions.
9479 (size_int_wide): Change number of args and type; access macros changed.
9480 (ssize_int, sbitsize_int): New macros.
9481 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9482 (ROUND_TYPE_SIZE_UNIT): New macro.
9484 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9486 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9488 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9490 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9491 Mark as possibly unused.
9493 * cse.c (cse_insn): Delete dead code involving tablejump.
9494 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9496 * Makefile.in (libcpp.a): Start by deleting it.
9498 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9500 * cpplib.h (enum file_change_code): Added rename_file.
9501 * cpplib.c (do_line): If a filename is given, set file_change to
9503 (output_line_command): If file_change is rename_file, always
9504 output a # directive with the file name.
9506 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9508 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9510 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9511 when copying a PARM_DECL or RESULT_DECL.
9513 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9515 * fix-header.c (recognized_function): Also fix prototypes for
9516 functions taking "void".
9518 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9520 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9521 looking at reg_reloaded_contents.
9523 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9525 * Makefile.in (STMP_FIXINC): New toggle.
9526 (LIBGCC2_DEPS): Delete all references.
9527 (stmp-headers): Delete target. All references either deleted
9528 or changed to stmp-int-headers.
9529 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9530 (LIBCPP_OBJS): Take out cppalloc.o.
9531 (cppalloc.o): Delete target.
9532 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9533 (gen-protos, fix-header): Link with libiberty.a.
9534 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9537 * configure.in: Remove refs to strerror.
9538 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9539 * system.h: Take out strerror stanza.
9541 * cpperror.c (my_strerror): Delete function.
9542 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9543 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9544 * cppalloc.c: Delete file.
9545 * gen-protos.c: Don't provide xrealloc.
9547 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9548 xstrerror throughout.
9550 2000-02-26 Bruce Korb <bkorb@gnu.org>
9552 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9553 match for DOS headers, too.
9554 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9556 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9558 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9559 is right for most ELF targets.
9560 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9561 Let the default file use %U properly.
9562 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9565 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9568 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9570 * toplev.c (documented_lang_options): Correct spelling error.
9571 (decode_d_option, decode_f_option, main): Likewise.
9573 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9575 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9576 to tell assembler it is permitted to expand large constants.
9578 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9580 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9581 (aux_info_suffix): Use.
9582 (SAVE_SUFFIX): New macro.
9584 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9585 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9586 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9588 * invoke.texi (Running Protoize): Update documentation.
9590 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9592 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9594 2000-02-25 John Wehle (john@feith.com)
9596 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9598 2000-02-25 Anthony Green <green@cygnus.com>
9600 * toplev.c (rest_of_compilation): Rebuild jump labels if
9601 combine_instructions has created a new direct jump.
9602 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9604 (combine_instructions): Call try_combine with new argument.
9605 Return non-null value when new direct jump instruction is created.
9606 * rtl.h: combine_instructions returns an int.
9608 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9610 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9611 jump when changing a computed jump into a jump to a known
9614 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9616 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9617 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9619 * i386.md (define_expand "clrstrsi"): Fix typo.
9621 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9623 * rtl.texi: Fix typo.
9625 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9627 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9628 UNITS_PER_WORD. Change caller initial_elimination_offset.
9629 (rounded_frame_size): Take into account that argument pushed has
9630 changed. Fix TARGET_ALIGN_DOUBLE problem.
9632 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9634 * haifa-sched.c (schedule_block): Explain the real reason
9635 we delete REG_SAVE_NOTEs on the first insn of a block.
9636 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9638 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9640 * input.h (push_srcloc): New function.
9641 (pop_srcloc): Likewise.
9642 * toplev.c (push_srcloc): Define it.
9643 (pop_srcloc): Likewise.
9645 2000-02-24 Richard Henderson <rth@cygnus.com>
9647 * flow.c (life_analysis): When collecting reg info, clear
9650 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9652 Fix bug exposed by reload.c no longer rounding the frame
9653 size to BIGGEST_ALIGNMENT:
9654 * sh.c (rounded_frame_size): New function.
9655 (sh_expand_prologue, sh_expand_epilogue): Use it.
9656 (initial_elimination_offset): Likewise.
9658 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9660 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9661 * sh-protos.h (sh_need_epilogue): Declare.
9662 * sh.c (sh_need_epilogue_known): New static variable.
9663 (sh_need_epilogue): New function.
9664 (function_epilogue): Clear need_epilogue_known.
9665 * sh.md (return): Split into expander / insn pattern.
9666 Make the expander conditional on ! sh_need_epilogue ().
9668 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9670 * machmode.h (get_mode_alignment): Declare.
9671 (GET_MODE_ALIGNMENT): Call it.
9672 * stor-layout.c (get_mode_alignment): New function. Make
9673 sure alignment is always power of 2.
9675 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9677 * i386.h: Remove useless definition of "I386" and misleading
9680 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9682 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9683 under which TREE_PERMANENT will be set.
9684 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9685 build1): Use TREE_SET_PERMANENT.
9686 * print-tree.c (print_node): Don't report value of
9687 TREE_PERMANENT if ggc_p is true.
9689 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9690 decide whether to give a type a new alias set.
9691 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9692 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9693 of value of 'obstack'.
9696 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9698 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9700 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9702 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9703 * cpplib.c (cpp_get_token): Produce them.
9704 * cppexp.c (cpp_lex): Handle them.
9706 2000-02-23 Nick Clifton <nickc@cygnus.com>
9708 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9709 comment tests on type attributes.
9711 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9713 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9714 conform to documentation.
9715 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9716 to check for special cases.
9717 * sh-protos.h (sh_loop_align): Declare.
9718 * sh.c (sh_loop_align): Define.
9720 2000-02-22 Andrew Haley <aph@cygnus.com>
9722 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9723 (SIZE_TYPE): Is 32 bits when using -mgp32.
9724 (PTRDIFF_TYPE): Ditto.
9726 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9728 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9730 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9732 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9733 BIGGEST_FIELD_ALIGNMENT a constant.
9735 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9737 * dwarf2out.c (output_line_info): Put the marker for the end of
9738 the line number info at the actual end.
9739 (gen_struct_or_union_type_die): Use decl_function_context
9740 to check for local classes.
9741 * dwarfout.c (output_type): Likewise.
9743 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9745 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9746 for arguments with a mode, but no type.
9747 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9748 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9749 * pa/long_double.h: New file.
9750 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9751 both have 128bit wide long doubles.
9752 * configure: Rebuilt.
9754 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9756 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9758 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9759 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9760 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9762 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9764 * integrate.c (compare_blocks, find_block): Likewise.
9766 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9768 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9770 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9771 expand_asm_operands): Likewise.
9773 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9775 * predict.c (estimate_probability): Added the pointer heuristic to
9776 the collection of static branch predictors.
9778 2000-02-21 Catherine Moore <clm@cygnus.com>
9780 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9781 * invoke.texi (-mfix7000): Document.
9783 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9785 * diagnostic.c (init_output_buffer): Make it possible to output at
9786 least 32 characters if we're given a too long prefix.
9788 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9790 * varasm.c (initializer_constant_valid_p): Call
9791 lang_expand_constant to simplify the constant.
9793 2000-02-20 Bruce Korb <bkorb@gnu.org>
9795 * fixinc/inclhack.def(stdio_va_list):
9796 typedef needs to be disabled.
9797 * fixinc/inclhack.sh: regen
9798 * fixinc/fixincl.x: regen
9800 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9802 * print-rtl.c (print_rtx): Don't print addresses when
9803 flag_dump_unnumbered.
9805 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9807 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9809 (sparc_va_arg, sparc_flat_output_function_prologue,
9810 sparc_flat_output_function_epilogue): Cast value to unsigned in
9812 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
9814 * sparc.md: Add default case in switch.
9816 2000-02-19 Richard Henderson <rth@cygnus.com>
9818 * c-typeck.c (add_pending_init): Don't abort for multiple
9819 fields at the same offset.
9820 (pending_init_member): Test the correct member.
9822 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9824 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
9826 (start_catch_handler) : Same.
9828 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
9830 * Makefile.in: Have flow.o depend on $(EXPR_H)
9832 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9834 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
9835 * c-decl.c (duplicate_decls, finish_enum): Likewise.
9836 (finish_decl): Remove -Wlarger-than code from here.
9837 * flags.h (id_clash_len): Now int.
9838 (larger_than_size): Now HOST_WIDE_INT.
9839 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
9840 Clean up checking to see if in table.
9841 (make_bit_field_ref): Remove extra parm to bitsize_int.
9842 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
9843 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
9844 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
9845 and for computing size of decl.
9846 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
9847 Move -Wlarger-than code to here.
9848 (layout_record): Remove extra arg to bitsize_int.
9849 Set TYPE_BINFO_SIZE_UNIT.
9850 (layout_union): Remove extra arg to bitsize_int.
9851 Use proper type for size of QUAL_UNION.
9852 (layout_type): Remove extra arg to bitsize_int.
9853 * toplev.c (id_clash_len): Now int.
9854 (larger_than_size): Now HOST_WIDE_INT.
9855 (decode_W_option): Clean up id-clash and larger-than- cases.
9856 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
9857 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
9858 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
9859 (struct tree_decl): New field size_unit.
9860 (size_int_wide): No HIGH operand; NUMBER is now signed.
9861 (size_int_2): Deleted.
9862 (size_int, bitsize_int): Don't use it and rework args.
9863 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
9865 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
9867 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
9869 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9871 * invoke.texi (Warning Options): Add an explanation of why
9872 you might want the -Wfloat-equal flag.
9874 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9876 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
9877 * cppinit.c (new_pending_define): Add cast to avoid warning.
9878 * expmed.c (extract_bit_field): Likewise.
9879 * flow.c (enum reorder_skip_type): New type.
9880 (skip_insns_between_blcok): New it.
9881 Rework to avoid warning about possibly undefined variable.
9882 * function.c (assign_parms): Make thisparm_boundary unsigned.
9883 * genrecog.c (write_switch): Cast XWINT result to int.
9884 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
9885 * mips-tfile.c (init_file): Make two versions of FDR intializer:
9886 one for MIPS and one for Alpha.
9887 (get_tag, copy_object): Add casts to avoid warnings.
9888 * optabs.c (init_one_libfunc): Cast NAME to (char *).
9889 * reload.c (find_reloads): Make TYPE enum reload_type.
9890 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
9891 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
9892 * varasm.c (compare_constant_1): Add cast to avoid warning.
9893 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
9895 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
9896 Cast switch operand of size to int.
9897 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
9898 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
9901 2000-02-18 Nick Clifton <nickc@cygnus.com>
9903 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
9904 anything for an alignment of zero.
9906 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
9907 anything for an alignment of zero.
9909 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
9911 * gcc.texi (Bug Reporting): Refer to bugs.html.
9912 (Bug Lists): Likewise.
9913 * system.h (GCCBUGURL): New preprocessor define.
9914 * rtl.c (fancy_abort): Use it.
9915 * gcc.c (main): Likewise.
9917 2000-02-18 Richard Henderson <rth@cygnus.com>
9919 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
9920 (life_analysis_1): Subsume into ...
9921 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
9922 Use update_life_info for the relaxation.
9923 (update_life_info): Update REG_BASIC_BLOCK for registers live on
9924 entry and regs_live_at_setjmp.
9925 (set_noop_p): Simplify.
9926 (notice_stack_pointer_modification_1): Renamed from s/_1//.
9927 (record_volatile_insns): Split into ...
9928 (delete_noop_moves): ... here,
9929 (notice_stack_pointer_modification): ... here,
9930 (insn_dead_p): ... and here.
9931 (propagate_block): Don't query INSN_VOLATILE.
9932 (mark_used_regs): Mind !PROP_REG_INFO.
9933 * toplev.c (rest_of_compilation): Call mark_constant_function here,
9934 not in life_analysis.
9936 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
9938 * loop.c (canonicalize_condition): New function,
9939 broken out of get_condition.
9940 (get_condition): Use it.
9941 * expr.h (canonicalize_condition): Prototype it.
9943 * tree.h (tree_int_cst_msb): Declare.
9944 * tree.c (tree_int_cst_msb): New function.
9946 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9948 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
9951 * invoke.texi (-fmessage-length=n): Document.
9953 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
9955 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
9957 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9959 * function.c (thread_prologue_and_epilogue_insns): Put a line note
9962 2000-02-17 Nick Clifton <nickc@cygnus.com>
9964 * config/arm/thumb.c: Replace includes of system headers with
9965 #include "system.h".
9967 2000-02-16 Richard Henderson <rth@cygnus.com>
9969 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
9970 Add crtbeginS.o and crtendS.o.
9971 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
9972 (ENDFILE_SPEC): Use crtendS.o.
9973 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
9975 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
9976 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
9978 (__dso_handle): New variable.
9979 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
9980 bias to __CTOR_END__.
9982 2000-02-16 Richard Henderson <rth@cygnus.com>
9984 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
9986 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
9988 * longlong.h (__clz_tab): Declare as static to match definition.
9990 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
9992 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
9993 (XREF_FILE_NAME): Define.
9995 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
9996 (EH_FRAME_SECTION_ASM_OP): Define.
9997 (IDENT_ASM_OP): Define.
9998 (TEXT_SECTION_ASM_OP): Define.
10000 (CTORS_SECTION_ASM_OP): Define.
10001 (CTOR_SECTION_FUNCTION): Use it.
10002 (DTORS_SECTION_ASM_OP): Define.
10003 (DTOR_SECTION_FUNCTION): Use it.
10005 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10007 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10010 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10011 debug_bb_n): New functions.
10012 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10013 * basic-block.h: Prototype new functions.
10015 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10017 * configure.in: Add support for avr target.
10018 * configure: Rebuilt.
10020 * invoke.texi: Add AVR invocation docs.
10021 * install.texi: Add information about AVR.
10022 * md.texi: Add AVR constraint letters description.
10023 * extend.texi: Add description for AVR specific attributes.
10025 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10027 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10029 2000-02-16 Nick Clifton <nickc@cygnus.com>
10031 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10032 (make_insn_raw): Move RTL check here.
10034 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10036 * version.c: Include gansidecl.h and version.h.
10038 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10040 * configure.in (gcc_version): When setting, narrow search to
10041 lines containing `version_string'.
10043 * Makefile.in (mainversion): Likewise.
10044 (GCC_H): New variable.
10045 (gcc.h): Delete target.
10046 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10047 (version.o): Depend on version.h.
10048 (dbxout.o): Don't depend on gcc.h.
10050 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10051 Michael Meissner <meissner@cygnus.com>
10053 * md.texi (Simple Constraints): Add item about whitespace.
10054 * genoutput.c (strip_whitespace): New.
10055 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10056 strip_whitespace for constraints.
10057 Test pointer using NULL, not 0.
10059 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10061 * cpplib.c (do_line): Pedwarn for #line > 32767.
10063 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10065 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10067 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10068 to default cpp spec.
10069 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10070 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10073 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10076 2000-02-15 Denis Chertykov <denisc@overta.ru>
10078 * configure.in: Add support for avr target.
10080 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10082 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10083 (sh_addr_diff_vec_mode): Don't declare.
10084 * sh.c (sh_addr_diff_vec_mode): Delete.
10086 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10088 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10090 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10092 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10093 (smulsi3_highpart_i): Name.
10094 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10095 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10096 (smulsi3_highpart, umulsi3_highpart): Likewise.
10098 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10099 correctly independent of endianness.
10100 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10101 confuse the optimizers.
10102 (mulsidi3+1, umulsidi3+1): New define_split.
10104 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10106 * config/sh/sh.md: Guard insn splits against illegal registers.
10107 * config/sh/sh.h: Correct comment about macros.
10109 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10110 Andrew MacLeod <amacleod@cygnus.com>
10112 * Makefile.in (lcm.o): Depend on insn-attr.h.
10113 * basic-block.h (optimize_mode_switching): Declare.
10114 * lcm.c (tm_p.h, insn-attr.h): #include.
10115 (seginfo, bb_info): New structs.
10116 (antic, transp, comp, delete, insert) : New file-scope static variables.
10117 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10118 (reg_becomes_live, optimize_mode_switching): Likewise.
10119 * tm.texi: Add description of mode switching macros.
10120 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10122 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10123 (fldi_ok, fpscr_set_from_mem): New prototypes.
10124 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10125 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10126 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10127 (sh_flag_remove_dead_before_cse): Remove declaration.
10128 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10129 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10130 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10131 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10132 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10133 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10134 (fldi_ok): New function.
10135 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10136 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10137 (emit_df_insn): Likewise.
10138 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10139 (sh_flag_remove_dead_before_cse): Delete.
10140 (get_free_reg, fpscr_set_from_mem): New functions.
10141 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10142 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10144 2000-02-15 Loren Rittle <ljrittle@acm.org>
10146 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10148 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10150 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10151 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10153 * cccp.c: Include version.h and/or don't declare `version_string'.
10154 * collect2.c: Likewise.
10155 * alpha.c: Likewise.
10156 * arm/aof.h: Likewise.
10157 * arm/coff.h: Likewise.
10158 * arm/elf.h: Likewise.
10159 * arm/pe.h: Likewise.
10160 * arm/tcoff.h: Likewise.
10161 * arm/telf.h: Likewise.
10162 * arm/tpe.h: Likewise.
10163 * arm/vxarm.h: Likewise.
10164 * convex/convex.c: Likewise.
10165 * i386/dgux.c: Likewise.
10166 * i386/sun386.h: Likewise.
10167 * m88k/m88k.c: Likewise.
10168 * mcore/mcore-pe.h: Likewise.
10169 * mips/mips.h: Likewise.
10170 * romp/romp.h: Likewise.
10171 * sh/sh.c: Likewise.
10172 * cpphash.c: Likewise.
10173 * cppinit.c: Likewise.
10174 * dwarf2out.c: Likewise.
10175 * dwarfout.c: Likewise.
10178 * mips-tfile.c: Likewise.
10179 * protoize.c: Likewise.
10180 * toplev.c: Likewise.
10181 * tree.h: Likewise.
10183 * version.c (version_string): Constify a char*.
10185 * version.h: New file.
10187 2000-02-14 Nick Clifton <nickc@cygnus.com>
10189 * configure.in: Add mcore-elf and mcore-pe targets.
10190 * configure: Regenerate.
10192 * NEWS: Add note that MCore port has been contributed.
10194 * invoke.texi: Document command line switches for MCore port.
10195 * install.texi: Add MCore to list of supported targets.
10197 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10199 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10200 then we will need to import the frame handling functions.
10201 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10202 to import the frames themselves.
10204 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10205 Jason Eckhardt <jle@cygnus.com>
10207 * basic_block.h: Added prototype for reorder_basic_blocks.
10208 * toplev.c: Changes to add -freorder-blocks and graph dump after
10209 block reordering is done.
10210 * flow.c (reorder_block_def): New structure for use during block
10212 (REORDER_BLOCK_*): New macros to access members of above structure.
10213 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10214 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10215 functions for block reordering.
10217 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10219 * gcc.texi (Passes): Fix typo.
10220 * md.texi (Standard Names): Ditto.
10221 * tm.texi (Storage Layout): Ditto.
10223 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10225 * cpplib.c (do_define): Only free the old definition if it
10228 2000-02-13 Neil Booth <NeilB@earthling.net>
10230 * cppfiles.c (read_and_prescan): When emitting deferred
10231 newlines, test speccase[] again instead of checking each
10232 possible whitespace character in turn. When we encounter \r,
10233 look behind for \n first, then ahead.
10235 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10237 * cse.c (cse_altered): New internal flag.
10238 (cse_insn): Set it if we changed an insn.
10239 (cse_main): Clear cse_altered before each basic block.
10240 Only garbage collect if cse_altered is true afterward.
10242 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10244 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10246 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10248 * combine.c (simplify_comparison): Fix typo.
10250 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10252 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10255 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10257 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10258 previously inserted node instead of root node. Caller changed.
10260 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10262 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10264 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10266 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10267 __dereg_frame_dtor): Add prototype argument.
10269 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10271 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10273 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10275 * gthr-vxworks.h (__gthread_once): Likewise.
10277 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10279 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10281 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10282 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10283 stack pointer in functions w/o saved registers, output LEAVE more often
10284 on TARGET_USE_LEAVE machines.
10286 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10288 * config/arm/arm.c (arm_init_cumulative_args); New function:
10289 Initlaise the CUMULATIE_ARGS strcuture for a function
10291 (arm_function_arg): New function: Determine where to place a
10292 function's argument. Also handles deciding the function's
10294 (current_file_function_operand): New function: Return true if
10295 the symbol is a function which has already been compiled.
10296 (arm_is_long_call_p): New function: Return true if the
10297 indicated function should be called via a long call.
10298 (arm_valid_type_attribute_p): New function: Return true if the
10299 attribute is a valid, arm specific, attribute.
10300 (arm_comp_type_attribute): New function: Return true if the
10301 two types have compatable, arm specific, attributes.
10303 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10305 (FUNCTION_ARG): Redefine to call arm_function_arg.
10306 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10308 (INIT_CUMULATIVE_ARGS): Redefine to call
10309 arm_init_cumulative_args.
10310 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10312 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10314 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10316 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10317 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10318 (COMP_TYPE_ATTRIBUTES): Define.
10320 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10321 if a long call is needed.
10322 (call_value): Call arm_is_long_call_p to decide if a long call
10324 (call_symbol): Call arm_is_long_call_p to decide if a long call
10327 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10329 2000-02-11 Denis Chertykov <denisc@overta.ru>
10331 * README.AVR: New file with information about the avr ports.
10332 * config/avr: New directory with avr port files.
10334 2000-02-11 Andreas Jaeger <aj@suse.de>
10336 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10338 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10340 * cpphash.c: Fix formatting, update commentary.
10341 (dump_definition): Take three separate arguments instead of a
10342 MACRODEF structure argument.
10343 * cpphash.h: Update prototype of dump_definition.
10344 * cppinit.c (cpp_finish): Update call of dump_definition.
10346 * cpplib.c (do_define): Always create new hash entry with
10347 T_MACRO type. Remove redundant check for redefinition of
10348 poisoned identifier. Update call of dump_definition.
10349 (do_undef): Don't call check_macro_name. Rename sym_length to
10351 (do_error, do_warning): Don't use copy_rest_of_line or
10353 (do_warning): Don't use pedwarn for the actual warning,
10354 only the notice about its not being in the standard. (Fixes
10355 bug with #warning in system headers.)
10356 (do_ident): Stricter argument checking - accept only a single
10357 string after #ident. Also, macro-expand the line.
10358 (do_xifdef): Use cpp_defined. De-obfuscate.
10360 (do_pragma): Split out specific pragma handling to separate
10361 functions. Use get_directive_token. Update commentary. Do
10362 not pass on #pragma once or #pragma poison to the front end.
10363 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10364 do_pragma_default): New.
10366 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10368 * jump.c (jump_optimize_1): The first operand in a relational
10369 can be a CONST_INT.
10370 * optabs.c (emit_conditional_move): Handle relationals which
10371 have a known true/false result.
10373 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10375 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10376 a RETURN insn into a block which already ends with a jump.
10378 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10380 * haifa-sched.c (BUF_LEN): Increase a lot.
10382 2000-02-11 Nick Clifton <nickc@cygnus.com>
10384 * configure.in: Add tm_p_file specification for thumb targets.
10385 * configure: Regenerate.
10387 * config/arm/thumb-protos.h: New file: Prototypes for exported
10388 functions defined in thumb.c.
10390 2000-02-11 Robert Lipe <robertl@sco.com>
10392 * Makefile.in (bootstrap-lean): Remove additional files.
10393 (bootstrap2-lean): Likewise.
10394 (VOL_FILES): List of files for above.
10396 2000-02-11 Nathan Sidwell <nathan@acm.org>
10398 * cpphash.c (special_symbol): Remove spurious argument to
10401 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10403 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10405 * configure: Rebuilt.
10407 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10409 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10411 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10413 * pa.c, pa.h: Remove trigraph sequences within comments.
10415 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10417 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10419 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10421 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10423 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10425 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10427 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10429 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10430 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10431 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10432 (ASM_FILE_END): Use c4x_file_end.
10433 * config/c4x/c4x.c (c4x_global_label): New function.
10434 (c4x_external_ref, c4x_file_end): Likewise.
10436 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10437 (c4x_external_ref, c4x_end_file): Likewise.
10439 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10441 * cppexp.c: Don't include cpphash.h.
10442 (parse_charconst, cpp_lex): Use cpp_defined.
10443 (cpp_lex): Use get_directive_token throughout. Remove
10444 unnecessary cases from switch. Move assertion-handling code
10445 down to OTHER case.
10446 (cpp_parse_expr): If we see '+' or '-', check the context to
10447 determine if they are unary or binary operators. Streamline
10448 the jumps a bit. Do not call skip_rest_of_line.
10450 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10451 static. Export get_directive_token. Update commentary.
10452 (cpp_defined): New function.
10453 (do_define): Remove reference to T_PCSTRING. Call
10454 free_definition to release memory for old definition, when
10455 redefining a macro.
10456 (eval_if_expression): Set only_seen_white to 0 before calling
10457 cpp_parse_expr. Call skip_rest_of_line after it returns.
10458 (cpp_read_check_assertion): Don't preserve a pointer into the
10459 token buffer across a call to cpp_get_token.
10461 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10462 * cppfiles.c (redundant_include_p): Use cpp_defined.
10463 * cpphash.c (free_definition): New function.
10464 (delete_macro): Use it. Update commentary.
10465 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10467 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10468 from enum node_type. Prototype cpp_defined and get_directive_token.
10469 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10471 * fix-header.c (check_macro_names): Use cpp_defined.
10472 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10473 the options structure.
10475 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10477 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10479 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10481 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10482 rather than die->die_tag.
10484 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10486 * combine.c (make_extraction, force_to_mode): Avoid warning on
10487 mixed-signedness conditionals.
10488 (make_field_assignment, nonzero_bits): Likewise.
10489 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10490 (store_split_bit_field, extract_split_bit_field): Likewise.
10491 (extract_fixed_bit_field, store_bit_field,
10492 * expr.c: Change alignment to be unsigned everywhere.
10493 (move_by_pieces, store_constructor_field, store_constructor):
10494 Alignment parm is unsigned.
10495 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10496 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10497 (do_compare_rtx_and_jump): Likewise.
10498 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10499 Compare align with GET_MODE_ALIGNMENT.
10500 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10501 (get_inner_reference): Likewise.
10502 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10503 (expand_assignment): Local vars for alignment now unsigned.
10504 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10505 (do_compare_and_jump): Likewise.
10506 (store_field): Call new function expr_align.
10507 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10508 Alignment arg now unsigned.
10509 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10510 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10511 (extract_bit_field): Likewise.
10512 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10513 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10514 (get_best_mode): Alignment arg is unsigned.
10515 * rtl.h (move_by_pieces): Likewise.
10516 * store-layout.c (maximum_field_alignment, set_alignment):
10518 (layout_decl): Alignment arg is now unsigned.
10519 Remove unneeded casts.
10520 (layout_record, layout_union, layout_type): Remove unneeded casts.
10521 Local alignment variables now unsigned.
10522 (get_best_mode): Alignment arg now unsigned.
10523 * tree.c (expr_align): New function.
10524 * tree.h (expr_align): Likewise.
10525 (maximum_field_alignment, set_alignment): Now unsigned.
10526 (get_inner_reference): Alignment argument is now pointer to unsigned.
10527 * varasm.c (assemble_variable): Add cast to eliminate warning.
10529 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10531 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10532 then store directly into op0.
10534 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10535 the CALL_INSN, and emit the note immediately after it.
10537 2000-02-10 Nick Clifton <nickc@cygnus.com>
10539 * config/arm/thumb.md (epilogue): Include a (return) in the
10540 generated insn, and emit it using emit_jump_insn not
10543 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10545 * function.c (assign_temp): Change zero-sized arrays to size 1.
10546 * integrate.c (expand_inline_function): Do not update
10547 stack_alignment_needed
10548 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10549 add some sanity checking, remove optimization for function with
10552 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10554 * flow.c (mark_regs_live_at_end): Delete unused variables.
10556 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10558 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10559 in macro FRAME_GROWS_DOWNWARD.
10561 * stmt.c (expand_end_bindings): Delete unused variable.
10563 * unroll.c (iteration_info): Mark parameter `loop' with
10566 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10568 * fixinc/server.c (load_data): Return NULL if the marker line is
10570 (run_shell): If load_data returns NULL, retry the command once, in
10573 * configure: Rebuilt.
10575 2000-02-09 Bruce Korb <bkorb@gnu.org>
10577 * gcc/fixincludes: ** DELETED **
10578 * gcc/fixcpp: ** DELETED **
10579 * gcc/fixinc-nt.sed: ** DELETED **
10580 * gcc/just-fixinc: ** DELETED **
10581 * gcc/Makefile.in: Removed out-dated commentary
10582 * gcc/configure.in: Removed fast-fixincludes disablement.
10583 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10585 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10586 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10589 2000-02-09 Richard Henderson <rth@cygnus.com>
10591 * jump.c (delete_insn): Don't delete user labels at -O0.
10593 2000-02-09 Robert Lipe <robertl@sco.com>
10595 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10596 Don't link with HOST_LIBS.
10598 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10600 * configure.in: Correct --help text for --with-dwarf2.
10601 Put tm-dwarf2.h after other tm files, if it's requested.
10602 * configure: Regenerate.
10603 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10606 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10608 * cpplib.h: Provide HASHNODE typedef and forward decl of
10609 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10610 DEFINITION, struct hashnode, struct macrodef, struct
10611 definition, scan_decls prototype, default defn of
10612 INCLUDE_LEN_FUDGE moved elsewhere.
10614 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10615 definition, and struct hashnode moved here. Remove the unused
10616 'predefined' field from struct definition. Replace the 'args'
10617 union with its sole member. All users updated (cpphash.c).
10618 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10619 multiple include guard.
10621 * cpphash.c (hashf): Make static; use better algorithm; drop
10622 HASHSIZE parameter; return an unsigned int.
10623 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10624 used. Calculate HASHSIZE modulus here.
10625 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10627 (create_definition): Drop PREDEFINITION parameter.
10628 * cpplib.c (do_define): Don't calculate a hash value here.
10629 Don't pass (keyword == NULL) to create_definition.
10631 * scan.h: Prototype scan_decls here.
10632 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10633 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10634 callers of cpp_lookup and cpp_install updated.
10636 * cpphash.c (macarg): Hoist all the flag diddling out of the
10638 (macroexpand): ... and out of the loop that calls macarg.
10639 Skip over the initial paren before macro arguments with
10640 cpp_get_non_space_token; point may be some distance before
10641 that paren. Abort if it's not there.
10643 * cpplib.c (parse_clear_mark): Delete function.
10644 (parse_set_mark, parse_goto_mark): Make static.
10645 (ACTIVE_MARK_P): New macro.
10646 (skip_block_comment, skip_line_comment): Do not bump the line
10647 if ACTIVE_MARK_P is true.
10648 (cpp_pop_buffer): The buffer to be popped may not have an
10650 (cpp_get_token): When looking for the initial paren before
10651 macro arguments, only set a mark in a file buffer, Always
10652 return to that mark before proceeding to call macroexpand or
10653 return a NAME token.
10655 * cpplib.h: Remove prototypes of parse_set_mark,
10656 parse_clear_mark, parse_goto_mark.
10657 (struct cpp_options): Rename 'put_out_comments' to
10658 'discard_comments' and invert its sense.
10659 * cppinit.c, cpphash.c, cpplib.c: All users of
10660 put_out_comments changed to use discard_comments, with
10663 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10665 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10666 the edge from a block that both jumps and falls through to the
10669 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10671 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10672 constant source address is legitimate.
10674 2000-02-09 Philip Blundell <pb@futuretv.com>
10676 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10679 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10681 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10683 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10685 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10686 ends with a newline and a NUL. Don't be so clever manipulating
10689 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10691 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10692 not to BIGGEST_ALIGNMENT.
10694 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10696 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10697 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10698 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10699 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10700 * frame.c (execute_cfa_insn): Handle
10701 DW_CFA_GNU_negative_offset_extended.
10703 2000-02-08 Richard Henderson <rth@cygnus.com>
10705 * flow.c (tidy_fallthru_edges): Split out from ...
10706 (delete_unreachable_blocks): ... here.
10707 (find_basic_blocks): Use it.
10709 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10711 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10713 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10715 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10716 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10717 (fix-header.o): Don't depend on cpphash.h.
10719 * scan.c (hashstr): New function.
10720 * scan.h: Prototype it.
10721 * fix-header.c: Don't include cpphash.h. Use hashstr.
10722 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10723 hashstr. Report hash table statistics. Add private
10724 definition of xrealloc.
10726 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10728 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10730 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10732 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10733 jumps with returns unless they are jumps to the fallthru block.
10735 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10737 * i386.md (addqi3_cc): Fix contraints.
10739 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10741 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10743 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10745 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10746 carriage return after a macro name.
10748 2000-02-07 Fred Fish <fnf@be.com>
10750 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10751 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10753 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10755 * cppfiles.c (deps_output): Count spacers in deps_column.
10757 2000-02-07 Neil Booth <NeilB@earthling.net>
10759 * cppinit.c (initialize_dependency_output): If there is no
10760 suffix, don't try to look for known suffixes. Use strrchr.
10761 (cpp_start_read): Remove duplicate initialization.
10763 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10765 * calls.c (compute_argument_block_size): New argument
10766 preferred_stack_boundary.
10767 (expand_call): update cfun->preferred_stack_boundary, update call of
10768 compute_argument_block_size
10769 (emit_library_call): Increate cfun->preferred_stack_boundary
10770 to PREFERRED_STACK_BOUNDARY
10771 (emit_library_call_value): Likewise.
10772 * explow.c (allocate_dynamic_stack_spave): Likewise.
10773 * function.c (prepare_function_start): Set
10774 cfun->preferred_stack_boundary
10775 * function.h (struct function): Add preferred_stack_boundary field.
10776 * integrate.c (expand_inline_function): Update
10777 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10778 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10779 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10781 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10783 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10784 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10785 cpp_pedwarn, cpp_pedwarn_with_line,
10786 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10787 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10788 v_cpp_error_with_line, v_cpp_warning_with_line,
10789 cpp_message_from_errno, cpp_perror_with_name): Delete.
10791 * cpperror.c (cpp_print_containing_files): Take starting
10792 buffer as argument.
10793 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10794 (v_cpp_message): Now called directly by all entry points.
10796 (cpp_pfatal_with_name, cpp_message): Delete.
10797 (cpp_notice_from_errno, cpp_ice): New functions.
10798 (cpp_notice): Is now for reporting error conditions, just
10799 without an associated file.
10800 (cpp_error, cpp_error_with_line): Don't do anything if
10801 opts->inhibit_errors is on.
10802 (cpp_pedwarn_with_file_and_line): Take column argument also.
10804 * cpplib.h: Update prototypes of exported functions.
10805 (struct cpp_options): Add inhibit_errors.
10807 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10808 non-error messages. Include intl.h.
10810 * cppinit.c, cppmain.c: Likewise. Also, use
10811 cpp_notice_from_errno instead of cpp_perror_with_name or
10812 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
10814 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
10815 report internal errors.
10817 * cpplib.c (do_define): Switch bcopy to memcpy.
10818 Give cpp_pedwarn_with_file_and_line a dummy column argument.
10820 * cpplib.c (copy_rest_of_line): Revert previous change: don't
10821 bail out early if we hit a line comment.
10823 2000-02-06 Richard Henderson <rth@cygnus.com>
10825 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
10826 * basic-block.h: Declare them.
10827 * emit-rtl.h (active_insn_p): New.
10828 (next_active_insn, prev_active_insn): Use it.
10829 * rtl.h: Declare it.
10830 * function.c (emit_return_into_block): New.
10831 (thread_prologue_and_epilogue_insns): Insert return insns instead
10832 of epilogues when possible.
10833 * jump.c (jump_optimize_1): Remove code to insert a return insn
10834 on the fallthru to the exit block.
10836 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
10837 and for non-empty stack frames.
10838 * i386.md (return): Expand to return-pop as needed.
10840 2000-02-06 Richard Henderson <rth@cygnus.com>
10842 * simplify-rtx.c (simplify_relational_operation): Canonicalize
10843 constant to op1 for testing.
10845 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10847 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
10848 (fixuns_truncqfqi2): Use it.
10850 2000-02-06 Richard Henderson <rth@cygnus.com>
10852 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
10853 as a TYPE_LEA insn.
10855 * i386.md (widening and peepholes): Mask the constant instead of
10858 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10860 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
10861 input pointer before possibly branching off to the backslash
10863 * cpphash.c (macroexpand): Correctly delete \r escapes when
10864 stringifying parameters.
10865 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
10866 if we can; bail out early if we hit a line comment.
10867 (handle_directive): Treat '# 123' in an .S file just like
10868 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
10869 Return 1 for '# not_a_directive'.
10870 (get_directive_token): Pop macro buffers here, so that
10871 cpp_get_token can't sneakily move past a newline.
10873 (cpp_get_token): goto randomchar if handle_directive returns 0.
10875 * cppalloc.c: Update copyright.
10876 * cpplib.c: Merge all the static function prototypes into one
10878 * cpplib.h: Remove #if 0 block.
10880 * cpperror.c: Remove #ifdef EMACS block.
10881 * cppmain.c: Likewise.
10882 * cpphash.c: Remove #if 0 blocks.
10883 * cppinit.c: Remove #if 0 blocks, and the -lint option.
10884 * cpplib.c: Remove #if 0 blocks and code referencing
10885 pcp_inside_if or for_lint. Remove duplicate error message.
10886 Fix error messages for #else after #else or #elif. Reformat.
10887 Remove archaic TODO list.
10888 * cpplib.h: Remove pcp_inside_if and for_lint flags.
10890 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10892 * i386/osf1elf.h: Add missing backslash to multiline string.
10894 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10896 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
10898 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10900 * Makefile.in (c-common.o): Depend on $(EXPR_H).
10902 * c-common.c: Include expr.h.
10904 * c-pragma.c (mark_align_stack): Add prototype.
10906 * caller-save.c (add_stored_regs): Likewise.
10908 * combine.c (record_promoted_value): Likewise.
10910 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
10913 * cppinit.c (new_pending_define): Likewise.
10915 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
10917 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
10918 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10919 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
10920 class_scope_p): Likewise.
10922 * dwarf2out.h (dwarf2out_set_demangle_name_func,
10923 dwarf2out_add_library_unit_info): Likewise.
10925 * ggc.h (ggc_page_print_statistics): Likewise.
10927 * haifa-sched.c (propagate_deps): Likewise.
10929 * reg-stack.c (next_flags_user, record_label_references): Likewise.
10931 * rtl.h (set_stack_check_libfunc): Likewise.
10933 * toplev.h (set_fatal_function): Likewise.
10935 * toplev.c (set_fatal_function): Delete prototype.
10937 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
10939 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10941 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
10942 (FUNC_END): Likewise.
10944 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10946 * caller-save.c: Include tm_p.h.
10948 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10950 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
10952 2000-02-04 Neil Booth <NeilB@earthling.net>
10954 * cccp.c (main): Check 'dir' for a NULL pointer before passing
10957 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
10959 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
10960 * genflags.c: Use the max_operand_1 logic from genemit.c to
10961 calculate how many arguments gen_insn prototypes have. Remove
10962 NO_MD_PROTOTYPES ifdefs from the generated file.
10963 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
10964 file. Cast gen_insn initializers to insn_gen_fn.
10965 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
10966 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
10968 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10970 * fixinc/Makefile.in (HDR): Add machname.h.
10973 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10975 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
10976 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
10977 (c4x_cpu_version): Ditto.
10978 * config/c4x/c4x-protos.h: ... here.
10980 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
10982 * dwarf2out.c (add_abstract_origin_attribute): Don't call
10983 gen_abstract_function on our context if we're a nested function.
10985 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10987 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
10988 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
10990 2000-02-04 Bruce Korb <bkorb@gnu.org>
10992 * fixinc/genfixes(machname.h):
10993 Move the functionality from gen-machine.h into this file.
10994 UNdef MN_NAME_PAT if there are no names to change.
10995 Also, be a little kinder when AutoGen is not present.
10997 * fixinc/Makefile.in(machname.h):
10998 Change the generation rule to use genfixes.
11000 * fixinc/fixfixes.c(machine_name):
11001 machine_name_fix's functionality now dependent upon whether
11002 MN_NAME_PAT is defined.
11004 * fixinc/fixtests.c(machine_name):
11007 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11010 * fixinc/fixlib.h(mn_get_regexps):
11013 * fixinc/gen-machine.h: DELETED
11015 2000-02-04 Jan Hubicka <jh@suse.cz>
11016 Richard Henderson <rth@cygnus.com>
11018 * i386.c (SAVE_REGS_FIRST): Remove.
11019 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11020 (ix86_compute_frame_size): Likewise.
11021 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11022 (ix86_emit_restore_regs): Remove.
11023 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11024 when a frame pointer is in use.
11025 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11026 instead of pop to restore a register when profitable; emit leave
11028 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11029 as a TYPE_LEA insn.
11030 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11031 * i386.md (prologue_allocate_stack): Remove.
11032 (epilogue_deallocate_stack): Remove.
11033 (pro_epilogue_adjust_stack): New.
11035 2000-02-04 Richard Henderson <rth@cygnus.com>
11037 * function.c (diddle_return_value): Rework to use a callback function.
11038 Use current_function_return_rtx if it's been set up.
11039 (do_clobber_return_reg, clobber_return_register): New.
11040 (do_use_return_reg, use_return_register): New.
11041 (expand_function_end): Use them.
11042 * stmt.c (expand_null_return): Likewise.
11043 * function.h: Declare them.
11044 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11045 (mark_reg): Change arguments as appropriate for callback.
11046 * integrate.c (expand_inline_function): Revert 19 Jan change.
11048 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11050 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11051 (Misc): Say the scheduler, not the Haifa scheduler.
11053 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11055 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11056 when in_mem is set. Update all callers.
11058 2000-02-04 Richard Henderson <rth@cygnus.com>
11060 * i386/openbsd.h (INT_ASM_OP): Define.
11062 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11064 * tm.texi: Fix various typos.
11066 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11068 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11069 (MD_STARTFILE_PREFIX_1): New macro.
11071 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11073 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11074 destination when needed.
11075 (strmovsi, strsetsi): New expander.
11076 (strmovsi_1, strsetsi_1): New pattern.
11077 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11078 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11079 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11080 * invoke.texi (align-stringops, inline-all-stringops): Document.
11082 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11084 * i386/netbsd.h (INT_ASM_OP): Define.
11086 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11088 * cpplib.h (cpp_reader): Add new flag, no_directives.
11089 * cpphash.c (macarg): Set it.
11090 * cpplib.c (handle_directive): If no_directives is on and we
11091 find a directive, issue an error and discard the line.
11093 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11095 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11096 FP constants. Add ! TARGET_FPU check for FP constants.
11098 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11100 * flow.c (find_basic_blocks): Don't kill label_value_list
11102 (cleanup_cfg): Kill it here.
11104 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11106 * expr.c (store_field): Ensure ALIGN is no stricter than the
11109 2000-02-02 Richard Henderson <rth@cygnus.com>
11111 * jump.c (delete_insn): Partially revert 19 Jan change;
11112 don't convert unused code labels to notes at -O0.
11114 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11116 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11117 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11119 2000-02-01 Richard Henderson <rth@cygnus.com>
11121 * i386.c (general_no_elim_operand): New.
11122 (nonmemory_no_elim_operand): New.
11123 (ix86_expand_move): Copy eliminable operands before a push.
11124 * i386-protos.h: Declare new functions.
11125 * i386.h (CAN_ELIMINATE): Simplify.
11126 (PREDICATE_CODES): Update.
11127 * i386.md (push insns): Don't allow eliminable register operands.
11129 2000-02-01 Richard Henderson <rth@cygnus.com>
11131 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11132 replace BLKmode with DECL_RTL's mode.
11134 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11136 * frame.c (find_fde): Convert for loop to do-while so compiler
11137 sees it's always executed at least once.
11138 * libgcc2.c (BBINBUFSIZE): Kill.
11139 (__bb_init_prg): Use fgets.
11140 (__bb_exit_trace_func): Don't paste strings.
11141 * unroll.c (unroll_loop): Initialize unroll_type, not
11142 unroll_number, and tweak logic to match.
11144 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11146 (ix86_flags_dependant): Likewise. Disentangle control flow.
11147 (ix86_sched_reorder): Break guts out to
11148 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11149 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11152 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11153 use string concatenation. Don't save and restore esi.
11155 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11156 (machname.h): Remove script to separate file. Use two-step
11157 sequence so target is not created if script fails.
11158 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11159 identifiers are defined.
11160 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11161 an empty string, machine_name doesn't need to do anything at
11163 (is_cxx_header): Add more cases to regexp.
11164 * fixinc/fixlib.h: Update prototype.
11165 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11167 * fixinc/fixincl.c: Define NO_BOGOSITY.
11169 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11170 (hp_sysfile): Add missing comma.
11171 (math_exception): Put the wrapper ifdefs at the beginning and
11172 the end of the file.
11173 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11175 2000-02-01 Richard Henderson <rth@cygnus.com>
11177 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11178 Use CONST0_RTX. Update all callers.
11179 * sparc.h, sparc-protos.h: Update accordingly.
11180 * sparc.md (fp mov insns): Use fp_zero_operand directly
11183 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11185 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11188 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11190 * Makefile.in (specs.ready): New target.
11191 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11193 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11195 * fixinc.irix: Use unique filenames for writing into /tmp,
11196 * fixinc.ptx: Likewise.
11197 * fixinc.sco: Likewise.
11198 * fixinc.svr4: Likewise.
11199 * fixinc.winnt: Likewise.
11201 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11203 * tsystem.h: New file.
11205 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11206 s-crtS): Depend on tsystem.h.
11208 * crtstuff.c: Include tsystem.h.
11209 * frame.c: Likewise.
11210 * libgcc2.c: Likewise.
11212 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11214 * builtins.c (expand_builtin_memset): Expand for variable sized
11217 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11219 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11222 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11224 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11226 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11228 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11230 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11231 case 3->2 combining (combining with splitting) in which 2 is CC0
11232 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11233 checked at the begining of the function with the aid of calling
11234 function 'can_combine_p'.
11236 2000-01-31 Dave Brolley <brolley@redhat.com>
11238 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11240 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11242 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11245 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11247 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11249 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11252 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11254 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11255 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11256 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11257 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11258 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11259 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11260 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11261 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11262 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11263 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11265 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11266 Add %(cpp_cpu) to CPP_SPEC.
11268 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11269 Add %(cc1_cpu) to CC1_SPEC.
11271 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11273 * c-decl.c (c_decode_option): Accept optional numeric argument to
11274 -Wformat and set warn_format.
11275 * c-common.c: Don't emit warning about non-constant printf format
11276 string unless warn_format > 1.
11278 2000-01-30 Richard Henderson <rth@cygnus.com>
11280 * alpha.md (return_internal): Allow after reload only.
11282 2000-01-30 Richard Henderson <rth@cygnus.com>
11284 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11285 local frame size is zero.
11287 2000-01-30 Richard Henderson <rth@cygnus.com>
11289 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11290 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11291 * alpha.md (return): Turn into an expander.
11292 (return_internal): Don't use $26.
11293 (epilogue): Emit the return insn.
11295 2000-01-30 Richard Henderson <rth@cygnus.com>
11297 * alpha.md (negtf2, abstf2): Fix word order thinko.
11298 (extendsftf2): New.
11299 (trunctfsf2): Avoid intermediate rounding errors.
11301 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11303 * cppfiles.c (find_position): Drop 'colp' argument, return the
11305 (read_and_prescan): Adjust to match. Don't ever manipulate
11306 line or line_base except via find_position.
11308 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11310 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11311 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11314 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11316 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11317 just print "<command line>". If 'filename' is null or an
11318 empty string, print "<stdin>" for the filename.
11319 * cpplib.c (do_define): Don't print the 'location of the
11320 previous definition' message if we're still parsing the
11322 (cpp_pedwarn_with_file_and_line): Always call
11323 cpp_file_line_for_message.
11325 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11327 * flow.c (mark_regs_live_at_end): Fix typo.
11329 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11331 * c-common.c: Adjust variable names, comments, help strings to c99.
11332 * c-lex.c: Likewise.
11333 * c-parse.y: Likewise.
11334 * c-tree.h: Likewise.
11335 * cccp.c: Likewise.
11336 * cpplib.h: Likewise.
11337 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11338 * cppinit.c: Likewise.
11340 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11342 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11343 * c4x.c: Define the optab rtx values.
11344 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11345 (c4x_emit_libcall): Use new optab rtx values.
11346 (c4x_emit_libcall3): Likewise.
11347 (c4x_emit_libcall_mulhi): Likewise.
11348 * c4x-protos.h: Add prototypes for optab rtx values and change
11349 prototypes for above c4x_emit_libcall functions.
11351 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11353 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11355 (c4x_function_prologue): Use regnames intead of float_reg_names when
11357 (c4x_function_epilogue): Likewise.
11358 (c4x_print_operand): Likewise.
11359 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11360 * c4x.md (set_high): Disable for TARGET_TI.
11362 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11364 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11365 of framepointer + constant to ADDR_REGS class.
11366 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11367 * c4x.c (std_or_reg_operand): New function.
11368 * c4x-protos.h (std_or_reg_operand): Prototype it.
11370 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11372 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11373 object names as libgcc2.c.
11374 * libgcc.S: Use newly defined names.
11376 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11377 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11379 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11380 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11381 (FLOW_LOOP_LAST_BLOCK): Likewise.
11383 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11385 * basic-block.h (struct loop): New fields 'first' and 'last'.
11386 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11387 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11388 and loop->last to check for NOTE_INSN_LOOP_END.
11390 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11392 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11393 of the loop descriptor rather than HEADER and LATCH. Also added
11394 missing break statements as well making some coding style modifications
11395 as suggested by Michael Hayes.
11397 2000-01-28 Richard Henderson <rth@cygnus.com>
11399 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11400 Break out that code ...
11401 (cleanup_cfg): ... here.
11402 (commit_one_edge_insertion): Detect a return instruction being
11403 emitted to an edge. Emit a barrier following; clear fallthru.
11404 (commit_edge_insertions): Verify CFG consistency.
11405 * function.c (expand_function_start): Kill unused variable.
11406 (expand_function_end): Likewise.
11407 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11408 to insert the epilogue.
11410 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11411 (delete_null_pointer_checks): Likewise.
11412 * output.h: Likewise.
11413 * reg-stack.c (reg_to_stack): Likewise.
11414 * toplev.c (rest_of_compilation): Likewise. Run
11415 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11417 2000-01-28 Richard Henderson <rth@cygnus.com>
11419 * Makefile.in (flow.o): Revert 24 Jan change.
11420 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11421 FUNCTION_VALUE result to DECL_RESULT's mode.
11423 * haifa-sched.c (schedule_insns): Don't recompute reg info
11426 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11428 * configure.in: Make --enable-cpplib the default.
11429 * configure: Regenerate.
11430 * gcc.dg/990119-1.c: No longer expected to fail.
11432 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11434 * jump.c (jump_optimize_1): Delete an optimization that is also done
11435 by merge_blocks in flow.
11437 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11439 * diagnostic.c (build_message_string, output_printf,
11440 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11441 (build_location_prefix): Fix non-literal format string.
11443 2000-01-27 Richard Henderson <rth@cygnus.com>
11445 * alpha.md (trunctfsf2): New.
11447 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11449 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11451 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11453 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11455 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11457 (skip_comment) ... here. Permit C++ comments in system
11458 headers always. Warn about C++ comments in user code under
11459 -std=gnu89 -pedantic.
11460 (copy_comment): Use skip_comment.
11461 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11463 (consider_directive_while_skipping, do_else, do_endif): Call
11464 validate_else unconditionally.
11465 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11466 text after the conditional in a system header.
11467 * cpplib.h (struct cpp_buffer): Add flag
11468 warned_cplusplus_comments.
11470 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11472 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11473 Use unshare_all_rtl_1.
11474 (unshare_all_rtl_again): New function.
11475 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11477 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11478 rather than resetting the 'used' flags ourself.
11480 * toplev.c (rest_of_compilation): Add current_function_decl
11481 to the unshare_all_rtl call.
11482 * tree.h: Prototype unshare_all_rtl.
11483 * rtl.h: Prototype unshare_all_rtl_again here.
11485 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11487 * genoutput.c (output_prologue): Include ggc.h in generated
11489 * Makefile.in (insn-output.o): Depends on ggc.h.
11491 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11492 Hans-Peter Nilsson <hp@bitrange.com>
11494 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11495 Remove redundant include of xm-ns32k.h.
11496 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11497 Remove redundant include of xm-ns32k.h.
11498 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11499 Remove redundant include of xm-ns32k.h.
11500 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11502 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11503 (TARGET_SWITCHES): Add documentation strings.
11504 (DWARF_FRAME_REGNUM): Override default definition.
11505 (REG_CLASS_CONTENTS): Add comments.
11506 (SUBSET_P): Format to reduce line length.
11507 (SMALL_REGISTER_CLASSES): Make a run time option.
11508 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11509 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11510 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11511 (regclass_map): fix typo in comment.
11512 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11513 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11514 (trace, reg_or_mem_operand): Delete, unused function.
11515 (calc_address_cost): Small offsets are cheaper than large ones.
11516 (expand_block_move): Generate more efficient code when bytes is a
11517 known at compile time.
11518 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11519 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11520 instead of reg_or_mem_operand.
11522 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11523 not general_operand. Similarly use "=rm" or stricter, not "=g".
11524 For input operands, use stricter constraints than "g" if not
11525 general_operand. Similarly use stricter predicate than
11526 "general_operand" when stricter constraints than "g" are present,
11527 except for matching constraints.
11528 (movstrsi): Use "memory_operand" for operands 0 and 1.
11529 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11530 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11531 not reg_or_mem_operand.
11532 (udivmoddisi4): Ditto.
11533 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11534 Use nonimmediate_operand for operand 3, not register_operand.
11535 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11536 reg_or_mem_operand.
11538 2000-01-27 Fred Fish <fnf@be.com>
11540 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11541 * gthr-single.h: Likewise.
11542 * gthr-solaris.h: Likewise.
11543 * gthr-vxworks.h: Likewise.
11544 * gthr-win32.h: Likewise.
11545 * gthr.h: Likewise.
11547 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11549 * cppinit.c: Add " (cpplib)" to end of string printed by
11552 2000-01-27 Richard Henderson <rth@cygnus.com>
11554 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11555 testing for a signed comparison.
11556 (alpha_emit_floatuns): New.
11557 * alpha-protos.h: Declare it.
11558 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11559 (extendsfdf2): Tidy.
11561 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11563 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11564 no -g option specifying debugging format, default to -gstabs+.
11566 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11568 * calls.c (special_function_p): New argument fork_or_exec.
11569 (expand_call): When profile_arc_flag is set and the function
11570 is in the fork_or_exec group, call __bb_fork_func first.
11571 * libgcc2.c, _bb module (__bb_fork_func): New function.
11572 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11574 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11575 * tree.h (special_function_p): Update prototype.
11577 2000-01-26 Richard Henderson <rth@cygnus.com>
11579 * alpha.c (alpha_split_tfmode_pair): New.
11580 * alpha-protos.h: Declare it.
11581 * alpha.md (abstf2, negtf2): New.
11582 (movtf insn): Add input G constraint.
11583 (movtf splitter): Use alpha_split_tfmode_pair.
11585 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11587 * i386/cygwin.h: PROTO -> PARAMS.
11589 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11591 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11592 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11593 using _Qp_cmp/_Q_cmp and testing the return value.
11594 (print_operand): Call reverse_condition_maybe_unordered if
11595 we are handling CCFPmode or CCFPEmode.
11596 Handle ORDERED, UN* and LTGT comparisons.
11597 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11598 if not TARGET_HARD_QUAD.
11599 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11600 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11601 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11602 Adjust gen_b* calls so that they reflect return comparison of
11603 sparc_emit_float_lib_cmp.
11605 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11607 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11608 incoming operands array is large enough for one more operand.
11609 (alpha_emit_xfloating_arith): Likewise.
11611 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11613 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11614 file with one line and no trailing newline.
11615 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11616 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11617 checking if the match is on the line.
11618 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11620 2000-01-25 Richard Henderson <rth@cygnus.com>
11622 * sparc.c (output_cbranch): Fix accidental squashing of the
11623 fp branch pre-delay nop.
11625 2000-01-25 Richard Henderson <rth@cygnus.com>
11627 * tree.def (UNNE_EXPR): Remove.
11628 * c-typeck.c (build_binary_op): Don't handle it.
11629 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11631 * rtl.def (UNNE): Remove.
11633 * jump.c (reverse_condition): Update accordingly.
11634 (swap_condition): Likewise.
11635 (comparison_dominates_p): Handle unordered comparisons.
11636 (reverse_condition_maybe_unordered): New.
11637 * rtl.h (reverse_condition_maybe_unordered): Declare.
11639 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11640 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11641 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11642 * sparc.md (bltgt): New.
11644 2000-01-25 Nick Clifton <nickc@redhat.com>
11646 * emit-rtl.c (emit_insn): Only check machine class insns for
11647 improper emission of a RETURN.
11649 2000-01-25 Richard Henderson <rth@cygnus.com>
11651 * Makefile.in (flow.o): Depend on $(EXPR_H).
11652 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11653 duplicate the structure of diddle_return_value for keeping regs live.
11655 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11657 * loop.c (current_loop_info): Delete.
11658 (consec_sets_invariant_p): Add loop argument, update callers.
11659 (get_condition_for_loop): Likewise.
11660 (count_nonfixed_reads, update_giv_derive): Likewise.
11661 (simplify_giv_expr, general_induction_var): Likewise.
11662 (consec_sets_giv, recombine_givs): Likewise.
11663 (move_movables): Delete loop_start and loop_end arguments,
11664 add loop argument, and update callers.
11665 (find_mem_givs, check_final_value): Likewise.
11666 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11667 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11669 (basic_induction_var): Add loop argument, delete loop_level argument,
11670 and update callers.
11671 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11672 add loop argument, and update callers.
11673 (find_splittable_regs, find_splittable_givs): Likewise.
11674 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11675 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11676 (biv_total_increment): Delete loop_start and loop_end arguments;
11678 (precondition_loop_p): Delete loop_start and loop_info arguments;
11680 * loop.h (get_condition_for_loop): Add loop argument.
11681 (biv_total_increment): Delete loop_start and loop_end arguments.
11682 (precondition_loop_p): Delete loop_start and loop_info arguments;
11684 (final_biv_value): Delete loop_start and loop_end arguments;
11686 (final_giv_value, back_branch_in_range_p): Likewise.
11688 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11690 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11692 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11694 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11695 point to the new "generated_files" doc.
11697 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11699 * config/fp-bit.c (_unord_f2): Fix typo.
11701 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11703 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11704 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11705 functions obsoleted by GC, such as push_obstacks_nochange,
11706 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11707 and code which existed only to decide whether or not to call
11708 them. Remove now-unused NESTED argument from start_function;
11709 all callers changed. Do not change behavior based on ggc_p.
11710 The use of the ixp_obstack in c-iterate.c and the util_obstack
11711 in objc/objc-act.c remain; these are not obsoleted by garbage
11713 * c-tree.h: Update prototype for start_function.
11715 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11717 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11719 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11722 2000-01-25 Richard Henderson <rth@cygnus.com>
11724 * sparc-protos.h (select_cc_mode): Declare.
11725 * sparc.c (select_cc_mode): New. Handle unordered compares.
11726 (output_cbranch): Always reverse via code change. Handle
11727 unordered compares. Factor tests and string updates.
11728 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11729 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11730 * sparc.md (bunordered, bordered): New.
11731 (bungt, bunlt, buneq, bunge, bunle): New.
11733 2000-01-25 Richard Henderson <rth@cygnus.com>
11735 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11736 * ggc-common.c (ggc_add_rtx_varray_root): New.
11737 (ggc_mark_rtx_varray): New.
11738 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11739 functions down below ggc_mark_foo.
11740 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11742 2000-01-25 Richard Henderson <rth@cygnus.com>
11744 * alpha.c (secondary_reload_class): Don't allocate a secondary
11745 for integral mode memories into FLOAT_REGS. Rearrange the more
11746 complicated memory expression inward.
11748 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11750 * inclhack.def: Fixes to play nicer with FreeBSD, and
11751 corrections to comments.
11752 (cxx_unready): Add select expression.
11753 (irix_sockaddr): Add bypass expression.
11754 (machine_ansi_h_va_list): New fix.
11755 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11756 Split out addition of "#include <stdarg.h>" to...
11757 (stdio_stdarg_h): ... here.
11758 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11759 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11760 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11762 (ultrix_ifdef): Tighten up select expression.
11764 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11765 re_ct and max_mach to avoid use of shell. Make printed names
11766 match names in inclhack.def. Use static copyright date.
11767 Don't count c_test and test expressions as requiring regex_t
11768 slots. Add some commentary.
11769 * inclhack.tpl: Do not include the 'This script contains N
11770 fixup scripts' line if PROGRAM is defined. Use static
11773 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11775 * dwarf2out.c: include "varray.h", not dyn-string.h.
11776 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11777 (addr_const_to_string, addr_to_string): Lose.
11778 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11779 (struct dw_val_struct): val_addr is now an rtx.
11780 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11781 (used_rtx_varray): New varray.
11782 (dwarf2out_init): Initialize it.
11783 (save_rtx): New fn.
11784 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11786 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11787 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11788 * Makefile.in (dwarf2out.o): Update dependencies.
11790 2000-01-24 Richard Henderson <rth@cygnus.com>
11792 * i386.c (i386_dwarf_output_addr_const): New.
11793 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11795 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11797 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11798 * i386.c (i386_simplify_dwarf_addr): New.
11799 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11801 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11803 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11804 TYPE_STUB_DECL is NULL.
11806 2000-01-24 Richard Henderson <rth@cygnus.com>
11808 * builtins.c (expand_tree_builtin): Move ...
11809 * c-common.c (expand_tree_builtin): ... here.
11811 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11813 * loop.h (LOOP_INFO): New accessor macro.
11814 * basic-block.h (struct loop): Rename field `info' to `aux'.
11815 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
11816 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
11817 * unroll.c (loop_iterations, unroll_loop): Likewise.
11819 2000-01-24 Christopher Faylor <cgf@cygnus.com>
11821 * config/i386/t-cygwin: Accomodate new winsup directory layout
11822 when searching for include files.
11824 2000-01-24 Richard Henderson <rth@cygnus.com>
11826 * rtl.def: Add unordered fp comparisions.
11827 * tree.def: Likewise.
11828 * tree.h: Add ISO C 9x unordered fp comparision builtins.
11830 * builtins.c (expand_tree_builtin): New function.
11831 * c-typeck.c (build_function_call): Use it.
11832 (build_binary_op): Support unordered compares.
11833 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
11835 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
11836 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
11837 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
11838 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
11839 * jump.c (reverse_condition): Don't abort for UNLE etc, but
11841 (swap_condition): Handle unordered compares.
11842 (thread_jumps): Check can_reverse before reversing.
11843 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
11846 * optabs.c (can_compare_p): New argument CODE. Verify branch or
11847 setcc is present before acking for cmp_optab. Update all callers.
11848 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
11849 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
11850 * expr.c (expand_expr): Likewise. Support unordered compares.
11851 (do_jump, do_store_flag): Likewise.
11852 * expr.h (enum libfunc_index): Add unordered compares.
11854 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
11855 (DPBIT_FUNCS): Add _unord_df.
11856 * config/fp-bit.c (_unord_f2): New.
11857 * fp-test.c (main): Try unordered compare builtins.
11859 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
11860 * alpha.c (alpha_comparison_operator): Check mode properly.
11861 (alpha_swapped_comparison_operator): Likewise.
11862 (signed_comparison_operator): Likewise.
11863 (alpha_fp_comparison_operator): New.
11864 (alpha_emit_conditional_branch): Handle unordered compares.
11865 * alpha.h (PREDICATE_CODES): Update.
11866 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
11867 (bunordered, bordered): New.
11869 2000-01-24 Richard Henderson <rth@cygnus.com>
11871 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
11872 * alpha.md (movtf): New expander, insn, and splitter.
11874 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
11876 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11879 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
11881 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
11882 (FIXED_REGISTERS, CALL_USED_REGISTERS,
11883 REG_ALLOC_ORDER): Add frame pointer
11884 (FRAME_POINTER_REGNUM): Set to 20
11885 (HARD_FRAME_POINTER_REGNUM): New macro.
11886 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
11887 to HARD_FRAME_POINTER.
11888 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
11889 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
11890 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
11891 (HI_REGISTER_NAMES): Add "frame".
11892 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
11893 (debug_reg): Handle FRAME_POINTER_REGNUM.
11894 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
11895 GENERAL_REGS and INDEX_REGS.
11896 * i386.c (SAVED_REGS_FIRST): new macro.
11897 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
11898 (ix86_decompose_address, memory_address_length): Likewise.
11899 (regclass_map): Add frame pointer.
11900 (call_insn_operand): Handle frame_pointer_rtx.
11901 (reg_no_sp_operand): Likewise.
11902 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
11903 (print_operand, legitimize_pic_address): Fix formating.
11904 (ix86_compute_frame_size): Make static, update prototype, new
11905 parameters padding1, padding2, use ix86_nsaved_regs, use
11906 stack_alignment_needed.
11907 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
11908 to HARD_FRAME_POINTER_REGNUM conversions.
11909 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
11910 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
11911 (print_reg): Abort on FRAME_POINTER_REGNUM
11913 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
11915 * i386.h (PREDICATE_CODES): Add aligned_operand.
11916 * i386.c (aligned_operand): New function.
11917 (ix86_aligned_p): Kill.
11918 * i386.md (movhi_1): Emit mov for aligned operands.
11919 (promoting peep2s): Use aligned_operand.
11921 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
11923 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
11924 expression to allow underscores in macro names.
11925 (fix_char_macro_defines): Increment scanning pointer.
11927 2000-01-23 Richard Henderson <rth@cygnus.com>
11929 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
11930 * alpha/osf5.h: New file.
11931 * configure.in (alpha-*-osf5): Add it to tm_file.
11933 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
11935 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
11936 (alpha_emit_xfloating_cvt, function_arg): Declare.
11937 * alpha.c (alpha_emit_conditional_branch): Call
11938 alpha_emit_xfloating_compare for TFmode compares.
11939 (alpha_lookup_xfloating_lib_func): New.
11940 (alpha_compute_xfloating_mode_arg): New.
11941 (alpha_emit_xfloating_libcall): New.
11942 (alpha_emit_xfloating_arith): New.
11943 (alpha_emit_xfloating_compare): New.
11944 (alpha_emit_xfloating_cvt): New.
11945 (print_operand): Add default abort case.
11946 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
11947 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
11948 (BIGGEST_ALIGNMENT): Increase to 128 bits.
11949 (RETURN_IN_MEMORY): True for TF/TCmode.
11950 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
11951 (FUNCTION_ARG): Move to function_arg.
11952 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
11953 (ASM_OUTPUT_LONG_DOUBLE): New.
11954 (ASM_OUTPUT_DOUBLE): Always output bits.
11955 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
11956 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
11957 (extenddftf2, trunctfdf2): New.
11959 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11961 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
11962 * config/sparc/sol2.h: ... here.
11964 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11966 * basic-block.h (struct loops): New field `levels'.
11967 * flow.c (flow_loops_level_compute): Traverse all outer loops.
11968 (flow_loop_level_compute): Initialise level to 1.
11969 (flow_loops_find): Set loops->levels.
11970 (flow_loops_dump): Print loops->levels.
11972 2000-01-23 Richard Henderson <rth@cygnus.com>
11974 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
11975 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
11977 2000-01-23 Richard Henderson <rth@cygnus.com>
11979 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
11980 * i386.h (DBX_REGISTER_NUMBER): Use them.
11981 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
11982 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
11983 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
11984 * i386/sequent.h: Kill incorrect comment.
11986 2000-01-23 Mark Mitchell <mark@codesourcery.com>
11988 * ggc-page.c (struct page_entry): Make `context_depth' an
11990 (struct globals): Likewise.
11992 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
11994 * loop.c (check_dbra_loop): When checking a loop for
11995 reversability, check the source of any stores to ensure
11996 they don't depend on an initial value.
11998 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12000 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12002 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12004 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12005 'pz_scan' into scope of entire function. Only affects
12006 compiles with -DDEBUG.
12008 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12010 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12011 section naming to that prior to 2000-01-07 patch.
12012 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12013 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12014 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12015 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12016 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12018 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12020 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12023 2000-01-21 Jim Wilson <wilson@cygnus.com>
12025 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12026 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12028 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12030 * cpphash.c (change_newlines): Delete function.
12031 (struct argdata): Delete 'newlines' and 'use_count' fields.
12032 (macroexpand): Remove code referencing those fields.
12034 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12036 * loop.c (loops_info): New variable.
12037 (loop_optimize): Allocate loops->array and free it on exit.
12038 Allocate memory for loops_info and assign to each loop,
12040 (find_and_verify_loops): Do not allocate loops->array.
12042 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12044 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12046 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12048 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12049 pseudos if expanded after first flow.
12050 (movdi_pic_label_ref): Likewise.
12052 2000-01-20 Richard Henderson <rth@cygnus.com>
12054 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12056 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12058 * Makefile.in (fixinc.sh): Depend on specs.
12059 * fixinc/Makefile.in: Add rule to create machname.h.
12060 (fixlib.o): Depend on machname.h.
12061 * fixinc/fixtests.c (machine_name): New test.
12062 * fixinc/fixfixes.c (machine_name): New fix.
12063 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12064 the machine_name test and fix.
12065 * fixinc/fixlib.h: Prototype it.
12066 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12067 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12069 * gcc.c (do_spec_1) [case P]: Take care not to create
12070 identifiers with three leading or trailing underscores.
12072 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12073 (fixincl): Don't specify libraries twice on link line.
12074 (gnu-regex.o): Remove special rule.
12075 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12076 defined by config.h. Do not define _REGEX_RE_COMP.
12077 (regcomp): Allocate and initialize a fastmap.
12078 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12080 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12082 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12084 2000-01-19 Richard Henderson <rth@cygnus.com>
12086 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12087 arguments with BB. Update all callers. Tidy line wrapping.
12089 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12091 * emit-rtl.c (try_split): Return last_insn if we split the
12094 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12096 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12097 (ix86_initial_elimination_offset): Declare.
12098 * i386.c (ix86_nsaved_regs): Break out from ...
12099 (ix86_can_use_return_insn_p): ... here.
12100 (ix86_emit_save_regs): Break out from ...
12101 (ix86_expand_prologue): ... here.
12102 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12104 (ix86_expand_epilogue): ... here.
12105 (ix86_compute_frame_size): Make static, add prototype.
12106 (ix86_initial_elimination_offset): Break out from ...
12107 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12109 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12111 * recog.h (OUT_FCN): Delete.
12113 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12115 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12117 * cppalloc.c: PROTO -> PARAMS.
12118 * cpperror.c: Likewise.
12119 * cppfiles.c: Likewise.
12120 * cpplib.c: Likewise.
12121 * cpplib.h: Likewise.
12123 * config/arm/arm-protos.h: PROTO -> PARAMS.
12124 * config/arm/arm.c: Likewise.
12125 * config/c4x/c4x.c: Likewise.
12126 * config/fr30/fr30-protos.h: Likewise.
12127 * config/nextstep.c: Likewise.
12128 * config/pa/pa.c: Likewise.
12129 * config/pj/pj.c: Likewise.
12130 * config/rs6000/rs6000.c: Likewise.
12131 * config/v850/v850-protos.h: Likewise.
12132 * config/v850/v850.c: Likewise.
12134 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12136 * i370-protos.h: New file.
12138 * i370.c: Include tm_p.h. Fix compile time warnings.
12140 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12143 * i370.md: Likewise.
12145 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12147 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12148 (target_isinf, target_isnan, eisnan): Mark parameter with
12150 (eiisinf): Wrap in INFINITY.
12151 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12152 (ibmtoe): Remove unused variable `rndsav'.
12154 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12156 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12157 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12159 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12161 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12162 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12163 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12165 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12166 Recognize Emacs mode markers also.
12167 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12168 C++ comments in C++ headers. Call is_cxx_header only if
12171 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12172 bypass for ncurses.
12173 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12174 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12175 ... these, which use the new C fixes.
12176 (math_exception): Escape literal '+' in bypass expression.
12178 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12181 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12183 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12186 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12188 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12189 prior to calling scan_loop.
12191 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12193 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12194 (split_branches, calc_live_regs): Likewise.
12196 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12198 * sh.md (fpu_single, fp_mode): New attributes.
12200 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12202 * loop.c (current_loop_info): Renamed from loop_info_data
12203 and changed to a pointer.
12204 (loop_optimize): Allocate loop_info structure for each loop
12205 and initialise to zero.
12206 (scan_loop): Set current_loop_info.
12208 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12211 2000-01-19 Richard Henderson <rth@cygnus.com>
12213 * stupid.c: Die die die.
12214 * Makefile.in (OBJS): Remove stupid.o.
12215 (stupid.o): Likewise.
12217 * except.c (emit_eh_context): Don't emit USEs for stupid.
12218 * explow.c (probe_stack_range): Likewise.
12219 * flags.h (obey_regdecls): Remove.
12220 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12221 when not optimizing.
12222 (life_analysis): Limit data collection when not optimizing.
12223 (mark_regs_live_at_end): Always mark the return value registers.
12224 (mark_used_regs): Remove dummy RETURN case.
12225 (print_rtl_with_bb): Don't consult obey_regdecls.
12226 * function.c (use_variable, use_variable_after): Remove.
12227 (assign_parms): Consult optimize not obey_regdecls.
12228 (expand_function_start): Don't emit USEs for stupid.
12229 (expand_function_end): Likewise.
12230 * global.c (build_insn_chain): Export.
12231 * integrate.c (expand_inline_function): Kill return-value USE
12233 * jump.c (jump_optimize_1): Do simple jump optimizations and
12234 dead code elimination.
12235 (calculate_can_reach_end): Remove check_deleted argument.
12236 (delete_insn): Patch out insns even when not optimizing.
12237 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12238 * rtl.h (use_variable, use_variable_after): Remove declarations.
12239 (build_insn_chain): Declare.
12240 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12241 (expand_end_bindings): Likewise.
12242 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12243 * toplev.c (obey_regdecls): Remove.
12244 (rest_of_compilation): Don't set it. Kill stupid in favour of
12245 flow1, local-alloc, and reload.
12246 (main): Don't set obey_regdecls.
12248 * config/nextstep.c (handle_pragma): Likewise.
12250 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12252 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12254 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12256 * alpha-protos.h: PROTO -> PARAMS.
12257 * alpha.c: Likewise.
12259 * h8300.c: Likewise.
12260 * i386-protos.h: Likewise.
12261 * i386.c: Likewise.
12262 * m32r-protos.h: Likewise.
12263 * m32r.c: Likewise.
12264 * mips.c: Likewise.
12265 * mips.md: Likewise.
12266 * gmon-sol2.c: Likewise.
12267 * sparc.c: Likewise.
12269 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12271 * ns32k-protos.h: New file.
12273 * ns32k.c: Fix compile time warnings.
12275 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12278 * ns32k.md: Likewise.
12280 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12282 * vax-protos.h: New file.
12284 * vax.c: Fix compile time warnings.
12286 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12289 * vax.md: Likewise.
12291 * vaxv.md: Likewise.
12293 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12295 * romp-protos.h: New file.
12297 * romp.c: Fix compile time warnings.
12299 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12302 * romp.md: Likewise.
12304 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12306 * we32k-protos.h: New file.
12308 * we32k.c: Fix compile time warnings.
12310 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12313 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12315 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12317 * except.c (eh_regs): Likewise.
12319 * final.c (output_operand): Likewise.
12321 * fold-const.c (target_isinf, target_isnan): Likewise.
12323 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12325 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12326 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12328 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12329 when optimize_size.
12330 (clrstrsi): Rewrite.
12331 (strsethi, strsetqi): New expanders.
12332 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12333 (cmpstrsi): Emit compare insn before cmpstrsi_1
12334 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12335 (strlensi_1): Likewise.
12336 (cmpstrsi_1): Likewise; do not output compare.
12337 (strlen expander): Do not unroll when optimizing for size.
12338 (*subsi3_carry): Rename to subsi3_carry
12339 (addqi3_cc): New pattern.
12340 * i386.h (processor_costs): Add move_ratio field.
12341 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12342 * i386.c (*_cost): Set move_ratio.
12343 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12344 (x86_expand_strlensi_1): Rewrite the main loop.
12346 2000-01-17 Richard Henderson <rth@cygnus.com>
12348 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12349 * cse.c (find_comparison_args, fold_rtx): Likewise.
12350 * integrate.c (subst_constants): Likewise.
12351 * loop.c (get_condition): Likewise.
12353 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12355 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12357 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12359 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12360 (RESTORE_WARN_FLAGS): Unpack it.
12361 Change semantic type of extension to ttype.
12362 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12363 * c-parse.y, c-parse.c, objc/objc-parse.y,
12364 objc/objc-parse.c: Regenerate.
12366 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12368 * fixinc/fixlib.c: Add copyright notice.
12369 (compile_re): New function.
12370 * fixinc/fixlib.h: Prototype compile_re.
12372 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12373 Use compile_re to compile regular expressions.
12375 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12376 where the pattern matched.
12378 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12380 (ultrix_ansi_compat): Likewise.
12381 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12383 (interactv_add2, interactv_add3): Delete.
12384 (x11_sprintf): Don't use filename glob.
12385 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12388 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12390 * print-rtl.c: PROTO -> PARAMS.
12391 * real.c: Likewise.
12392 * reg-stack.c: Likewise.
12393 * resource.c: Likewise.
12394 * sdbout.h: Likewise.
12395 * simplify-rtx.c: Likewise.
12396 * stor-layout.c: Likewise.
12397 * stupid.c: Likewise.
12398 * xcoffout.c: Likewise.
12399 * xcoffout.h: Likewise.
12401 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12403 * toplev.c: PROTO -> PARAMS.
12404 * toplev.h: Likewise.
12405 * tree.c: Likewise.
12406 * tree.h: Likewise.
12407 * unroll.c: Likewise.
12408 * varasm.c: Likewise.
12409 * varray.c: Likewise.
12410 * varray.h: Likewise.
12412 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12414 * reload.c: PROTO -> PARAMS.
12415 * reload.h: Likewise.
12416 * reload1.c: Likewise.
12417 * reorg.c: Likewise.
12418 * resource.h: Likewise.
12421 * rtlanal.c: Likewise.
12422 * sbitmap.h: Likewise.
12423 * sdbout.c: Likewise.
12424 * stack.h: Likewise.
12425 * stmt.c: Likewise.
12426 * system.h: Likewise.
12428 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12430 * machmode.h: PROTO -> PARAMS.
12431 * mbchar.h: Likewise.
12432 * mips-tdump.c: Likewise.
12433 * mips-tfile.c: Likewise.
12434 * optabs.c: Likewise.
12435 * output.h: Likewise.
12436 * prefix.c: Likewise.
12437 * profile.c: Likewise.
12438 * protoize.c: Likewise.
12439 * real.h: Likewise.
12440 * recog.c: Likewise.
12441 * recog.h: Likewise.
12442 * regclass.c: Likewise.
12443 * regmove.c: Likewise.
12444 * regs.h: Likewise.
12446 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12448 * ggc-common.c: PROTO -> PARAMS.
12449 * ggc-page.c: Likewise.
12450 * ggc-simple.c: Likewise.
12452 * global.c: Likewise.
12453 * graph.c: Likewise.
12454 * gthr-win32.h: Likewise.
12455 * haifa-sched.c: Likewise.
12456 * halfpic.h: Likewise.
12457 * integrate.c: Likewise.
12458 * integrate.h: Likewise.
12459 * jump.c: Likewise.
12461 * local-alloc.c: Likewise.
12462 * loop.c: Likewise.
12463 * loop.h: Likewise.
12465 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12467 * genattr.c: PROTO -> PARAMS.
12468 * genattrtab.c: Likewise.
12469 * gencheck.c: Likewise.
12470 * gencodes.c: Likewise.
12471 * genconfig.c: Likewise.
12472 * genemit.c: Likewise.
12473 * genextract.c: Likewise.
12474 * genflags.c: Likewise.
12475 * gengenrtl.c: Likewise.
12476 * genopinit.c: Likewise.
12477 * genoutput.c: Likewise.
12478 * genpeep.c: Likewise.
12479 * genrecog.c: Likewise.
12481 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12483 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12485 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12487 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12488 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12489 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12490 * configure, config.in: Rebuilt.
12492 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12494 * config/i386/i386.md: Add peephole to merge successive stack
12497 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12499 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12500 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12501 when walking backwards to find all the parameter loads when
12502 the basic block ends in a call.
12504 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12506 * loop.c (this_loop_info): Delete.
12507 (uid_loop): Add in place of uid_loop_num. All uses updated.
12508 (loop_number_exit_count): Delete and replace with entry in loop
12509 structure. All uses updated.
12510 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12511 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12512 (loop_outer_loop): Likewise.
12513 (loop_invalid, loop_number_exit_labels): Likewise.
12514 (loop_used_count_register): Delete and replace with entry in
12515 loop_info structure.
12516 (find_and_verify_loops): Add loops argument.
12517 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12518 loop_end, etc. arguments with loop structure pointer. All callers
12520 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12521 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12522 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12523 (insert_bct): Likewise.
12524 (basic_induction_var): New argument level.
12525 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12526 vtop, and cont. Add used_count_register.
12527 (uid_loop): Delete declaration.
12528 (loop_number_exit_count): Likewise.
12529 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12530 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12531 (loop_outer_loop, loop_used_count_register): Likewise.
12532 (loop_invalid, loop_number_exit_labels): Likewise.
12533 (unroll_loop): Replace loop_start and loop_end arguments
12534 with loop structure pointer.
12535 (loop_precondition_p, loop_iterations): Likewise.
12536 Include basic-block.h.
12537 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12538 with loop structure pointer.
12539 (loop_precondition_p, loop_iterations): Likewise.
12540 * basic-block.h (struct loop): New entries vtop, cont,
12541 cont_dominator, start, end, top, scan_start, exit_labels,
12543 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12545 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12547 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12549 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12551 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12553 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12555 * pdp11-protos.h: New file.
12557 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12560 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12563 * pdp11.md: Likewise.
12565 * 2bsd.h: Likewise.
12567 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12569 * mn10300-protos.h: New file.
12571 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12574 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12577 * mn10300.md: Likewise.
12579 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12581 * mn10200-protos.h: New file.
12583 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12586 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12589 * mn10200.md: Likewise.
12591 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12593 * h8300-protos.h: New file.
12595 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12598 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12601 * h8300.md: Likewise.
12603 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12605 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12606 (asm_emit_uninitialised): Likewise.
12608 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12610 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12611 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12613 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12615 * config/mips/mips.c (override_options): Don't turn on extra
12616 alignment for mips16.
12618 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12620 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12621 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12624 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12626 * builtins.c (PAD_VARARGS_DOWN): Define.
12627 (std_expand_builtin_va_arg): Use the above macro.
12628 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12629 * tm.texi (Register Arguments): Document the above macro.
12631 2000-01-14 Nick Clifton <nickc@cygnus.com>
12633 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12634 that this function has not been used to emit a jump
12637 * jump.c (return_jump_1): Cope with being passed a null rtx.
12639 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12641 * eh-common.h: PROTO -> PARAMS.
12642 * emit-rtl.c: Likewise.
12643 * errors.c: Likewise.
12644 * errors.h: Likewise.
12645 * except.c: Likewise.
12646 * except.h: Likewise.
12647 * explow.c: Likewise.
12648 * expmed.c: Likewise.
12649 * expr.c: Likewise.
12650 * expr.h: Likewise.
12651 * final.c: Likewise.
12652 * fix-header.c: Likewise.
12653 * flow.c: Likewise.
12654 * fold-const.c: Likewise.
12655 * function.c: Likewise.
12656 * function.h: Likewise.
12658 * gcov-io.h: Likewise.
12659 * gcov.c: Likewise.
12660 * gcse.c: Likewise.
12662 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12664 * sh-protos.h: New file.
12666 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12667 Add static prototypes. Fix compile time warnings.
12669 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12673 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12675 * arc-protos.h: New file.
12677 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12680 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12683 * arc.md: Likewise.
12685 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12687 * dsp16xx-protos.h: New file.
12689 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12692 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12695 * dsp16xx.md: Likewise.
12697 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12699 * convex-protos.h: New file.
12701 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12704 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12707 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12709 * elxsi-protos.h: New file.
12711 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12714 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12717 * elxsi.md: Likewise.
12719 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12721 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12722 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12723 match the comment for MIPS16.
12725 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12727 * flow.c (split_edge): Do not call set_block_for_insn if we
12728 do not have a basic_block_for_insn structure.
12730 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12731 and destination functions are 32bit aligned within the trampoline.
12732 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12733 (TRAMPOLINE_ALIGNMENT): Define.
12735 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12736 (set (pc) (label_ref)), verify the change creates a valid insn.
12738 * fr30.c (call_operand): Tighten and rework to match rules for
12739 call RTL expressions.
12740 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12741 * fr30.md (call patterns): Improve constraints.
12743 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12745 * fr30.c (fr30_expand_epilogue): Revert last change.
12746 Use emit_jump_insn for the return insn.
12748 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12749 Stan Cox <scox@cygnus.com>
12751 * predict.c: New file. Preliminary infrastructure work for static
12752 branch prediction and basic block reordering.
12753 * basic-block.h: Add prototype for estimate_probability.
12754 * Makefile.in: Add rules for predict.o.
12756 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12758 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12759 * fixinc/*: Likewise.
12761 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12763 * cccp.c: PROTO -> PARAMS.
12764 * cexp.y: Likewise.
12765 * collect2.c: Likewise.
12766 * combine.c: Likewise.
12767 * convert.h: Likewise.
12769 * dbxout.c: Likewise.
12770 * dbxout.h: Likewise.
12771 * diagnostic.c: Likewise.
12772 * doprint.c: Likewise.
12773 * dwarf2out.c: Likewise.
12774 * dwarf2out.h: Likewise.
12775 * dwarfout.c: Likewise.
12776 * dwarfout.h: Likewise.
12777 * dyn-string.h: Likewise.
12779 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12781 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12782 macro conditionals guarding use.
12784 * dwarf2out.c: Include "tm_p.h".
12786 * function.c (locate_and_pad_parm): Mark parameter with
12788 (expand_function_end): Likewise for variable `context'.
12790 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12792 2000-01-13 Nick Clifton <nickc@cygnus.com>
12794 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12795 register to prevent compile time warnings.
12797 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12799 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12800 to avoid -Wtraditional warning.
12802 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12804 * 1750a-protos.h: New file.
12806 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12809 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
12812 * 1750a.md: Likewise.
12814 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12816 * a29k-protos.h: New file.
12818 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
12821 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
12824 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12826 * clipper-protos.h: New file.
12828 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
12831 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
12834 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12836 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
12838 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
12840 * configure.in (--enable-new-gxx-abi): New option.
12841 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
12842 * Makefile.in (GXX_ABI_FLAG): New variable.
12843 * configure: Regenerate.
12845 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12847 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
12848 * tm.texi (FORCE_STRUCT_BLK): Document.
12849 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
12851 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
12853 * config/ns32k/ns32k.md: Revert Jan 9 change.
12855 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
12856 to a mode-test, if the predicate is address_operand.
12858 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
12860 * combine.c (if_then_else_cond): Be careful about what kinds
12861 of RTL expressions are passed to operand_subword.
12863 * flow.c (split_edge): If we have to insert a new jump, make
12864 sure to associate it with a basic block.
12866 * flow.c (commit_one_edge_insertion): A block with one successor
12867 can end in a JUMP_INSN that is not a simplejump.
12869 2000-01-12 Robert Lipe <robertl@sco.com>
12871 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
12872 (BUILD_VA_LIST_TYPE): Define.
12873 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
12876 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
12878 * cccp.c (do_pragma): Add cast to (char *).
12880 2000-01-12 Richard Henderson <rth@cygnus.com>
12881 Fred Fish <fnf@be.com>
12882 Jason Merrill <jason@cygnus.com>
12884 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
12885 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
12886 * i386/beos-elf.h, i386/beos-pe.h: New files.
12888 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
12889 * cross-make (SYSTEM_HEADER_DIR): Define using
12890 CROSS_SYSTEM_HEADER_DIR.
12892 * gcc.c (LIBRARY_PATH_ENV): Provide default.
12893 (process_command): Use it.
12894 (main): Likewise. Kill trailing = from env vars.
12895 (build_search_list): Put it back.
12896 * collect2.c (main): Use LIBRARY_PATH_ENV.
12898 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
12899 * toplev.c: Use NEED_DECLARATION_ENVIRON.
12901 * tm.texi (Frame Layout): Document SMALL_STACK.
12902 * c-common.c (c_common_nodes_and_builtins): Check it.
12904 * system.h: Undef alloca after including glibc's <stdlib.h>,
12905 if USE_C_ALLOCA is defined.
12907 * gcc.c (set_input): New fn.
12908 (main): After all input files are compiled, reset the input file
12911 * aclocal.m4 (rindex, index): If already defined, don't attempt
12914 * ginclude/varargs.h: (__va_list__): Define ifndef.
12915 * ginclude/stdarg.h: Likewise.
12917 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
12918 instead of unsigned char.
12920 * hash.h (true, false, boolean): Undef before enum.
12922 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
12923 proper type of "HOST_WIDE_INT *", rather than their natural type of
12924 "unsigned HOST_WIDE_INT *".
12926 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12928 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
12930 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
12932 * regclass.c (choose_hard_reg_mode): Likewise.
12934 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
12936 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
12938 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * c-common.c: PROTO -> PARAMS.
12941 * c-common.h: Likewise.
12942 * c-decl.c: Likewise.
12943 * c-iterate.c: Likewise.
12944 * c-lang.c: Likewise.
12945 * c-lex.c: Likewise.
12946 * c-lex.h: Likewise.
12947 * c-parse.in: Likewise.
12948 * c-pragma.c: Likewise.
12949 * c-pragma.h: Likewise.
12950 * c-tree.h: Likewise.
12951 * c-typeck.c: Likewise.
12952 * objc/objc-act.c: Likewise.
12953 * objc/objc-act.h: Likewise.
12955 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12957 * m88k-protos.h: New file.
12959 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
12962 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
12964 * m88k.md: Likewise.
12966 * tekXD88.h: Likewise.
12968 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12970 * m68k-protos.h: New file.
12972 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
12975 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
12977 * mot3300.h: Likewise.
12979 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
12981 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
12983 (extract_bitlist): Declare bitlen.
12985 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
12987 * cccp.c: Accept and ignore -lang-fortran.
12989 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
12990 qualifiers don't match at any level of pointerness.
12992 2000-01-12 Robert Lipe <robertl@sco.com>
12994 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
12996 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
12998 * reload1.c (reload_reg_unavailable): New static variable.
12999 (reload_reg_free_p): Test it.
13000 (reload_reg_free_for_value_p): Test it instead of
13002 (choose_reload_regs_init): Compute it.
13004 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13006 * reorg.c (fill_slots_from_thread): Check modified_in_p
13009 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13011 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13012 these nodes even if INTERNALS is not set.
13014 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13016 * gcse.c (delete_null_pointer_checks_1): Cope when
13017 get_condition cannot determine the condition.
13019 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13021 * toplev.h (set_message_length): Declare.
13023 * diagnostic.c (obstack_chunk_alloc): Define macro.
13024 (obstack_chunk_free): Likewise.
13025 (struct output_buffer): New data structure.
13026 (vmessage): Remove.
13027 (output_maximum_width): New variable.
13028 (doing_line_wrapping, set_message_length, init_output_buffer,
13029 get_output_prefix, output_space_left, emit_output_prefix,
13030 output_newline, output_append, output_puts, dump_output,
13031 vbuild_message_string, build_message_string, build_location_prefix,
13032 voutput_notice, output_printf, line_wrapper_printf,
13033 vline_wrapper_message_with_location): New functions. Implement
13034 automatic line wrapping.
13035 (v_message_with_decl): Make it handle automatic line wrapping.
13036 (v_error_with_file_and_line): Likewise.
13037 (v_warning_with_file_and_line): Likewise.
13038 (announce_function): Likewise.
13039 (default_print_error_function): Likewise.
13041 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13043 * cpplib.h (struct cpp_options): Change lang_asm to char.
13045 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13046 done in cpp_handle_option now.
13047 (initialize_builtins): Take out special case code used only by
13049 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13050 if -traditional. Recognize -lang-fortran and set
13051 lang_fortran, also turn off cplusplus_comments.
13052 (print_help): Document -lang-fortran.
13053 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13054 lang_asm. Ignore all directives other than `# 123 "file"' if
13056 (cpp_get_token): If -traditional, don't recognize directives
13057 unless the # is in column 1.
13058 (parse_string): If lang_fortran or lang_asm, silently
13059 terminate strings ('' or "") at end of line.
13060 Remove unnecessary braces.
13062 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13063 Richard Henderson <rth@cygnus.com>
13065 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13067 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13068 strict_low_part when possible.
13070 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13072 * alias.c: PROTO -> PARAMS.
13073 * basic-block.h: Likewise.
13074 * bitmap.c: Likewise.
13075 * bitmap.h: Likewise.
13076 * builtins.c: Likewise.
13077 * c-aux-info.c: Likewise.
13078 * caller-save.c: Likewise.
13079 * calls.c: Likewise.
13081 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13083 * Makefile.in (toplev.o): Depend on regs.h.
13085 * output.h (tdesc_section): Prototype.
13087 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13089 * sdbout.c: Include "tm_p.h".
13091 * toplev.c: Include "regs.h".
13093 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13095 * unroll.c (unroll_loop): Add EH support.
13097 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13099 * pa-protos.h: New file.
13101 * pa.c: Include recog.h and tm_p.h.
13102 (compute_zdepwi_operands, compute_movstrsi_length,
13103 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13104 find_addr_reg, import_milli): Add static prototypes.
13105 (pa_cpu_string, pa_arch_string): Constify a char*.
13106 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13107 (read_only_operand): Add argument `mode'.
13108 (singlemove_string, output_move_double, output_fp_move_double,
13109 output_block_move, output_and, output_ior, output_ascii,
13110 remove_useless_addtr_insns, milli_names, output_mul_insn,
13111 output_div_insn, output_mod_insn, output_arg_descriptor,
13112 output_cbranch, output_bb, output_bvb, output_dbra, ,
13113 output_millicode_call, output_call, hppa_encode_label,
13114 output_parallel_movb, output_parallel_addb): Constify a char*.
13115 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13116 (output_parallel_addb): Remove extra arg to `constrain_operands'
13118 * pa.h: Move all prototypes to pa-protos.h.
13119 (pa_cpu_string, pa_arch_string): Constify a char*.
13120 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13122 * pa.md: Call `function_label_operand' with mode argument.
13123 Likewise for `read_only_operand'.
13124 Fix nesting of parens in call to `symbolic_operand'.
13126 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13128 * i860-protos.h: New file.
13130 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13133 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13135 * i860.md: Likewise.
13137 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13139 * i386.md (movstrsi expander): Rewrite.
13140 (movstrsi_1 insn): Deleted.
13141 (strmovhi, strmovqi expander): New expanders.
13142 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13143 * i386.c (x86_single_stringop): New global variable.
13144 * i386.h (x86_single_stringop): Declare.
13145 (TARGET_SINGLE_STRINGOP): New macro.
13147 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13149 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13150 integer vararg POSTINCREMENT before the destination of the jump
13151 for the hard fp case.
13152 (function_arg_pass_by_reference): Pass a copy of CUM to
13155 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13156 for CONSTANT_ADDRESS_P above while loop for subreg.
13158 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13160 * flow.c (propagate_block): When a prologue/epilogue insn
13161 is marked dead, unconditionally clear libcall_is_dead and
13162 insn_is_dead, and only dump rtl if warnings aren't being
13165 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13167 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13168 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13169 (FIXED_REGISTERS): Set dirflag as fixed.
13170 (CALL_USED_REGISTERS): Set dirflag as used.
13171 (REG_ALLOC_ORDER): Set dirflag as last one.
13172 (DIRFLAG_REG): New macro.
13173 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13174 (HI_REGISTER_NAMES): Add dirflag.
13175 (DEBUF_PRINT_REG): Handle dirflag.
13176 * i386.md (type attribute): New cld and str types.
13177 (length_opcode attribute): Set cld and str to 1.
13178 (memory attribute): Set str to unknown - it is not clear from the
13180 (pent_np function unit): Prefixed string operations takes 12 cycles
13181 minimally; cld takes 2 cycles.
13182 (ppro_uops attribute): Str is "many" and cld is "few".
13183 (ppro_p0 unit): Handle cld here.
13184 (k6_alux unit): Handle cld and str types.
13185 (k6_load unit): It is ocupied by str opcodes.
13186 (k6_store unit): It is ocupied by str opcodes.
13187 (athlon_decode): Str is vector decoded.
13188 (athlon_ieu): Handle str and cld.
13189 (cld pattern): New.
13190 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13191 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13192 cmpstrsi_nz_1 insn): Do not output cld instruction
13194 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13196 * gcc.texi (G++ and GCC): Add Java and Chill.
13197 (Bug Critera): Don't list languages.
13199 * gcc.texi (Incompatibilities): No longer claim most C compilers
13202 * gcc.texi (G++ and GCC): Update other front-ends list.
13204 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13206 * i386.c (ix86_expand_setcc): Fix typo.
13207 (ix86_expand_movcc): Similarly.
13209 * Band-aid until haifa's bitset implementation is nuked.
13210 * haifa-sched.c (extract_bitlst): New parameter for size of the
13211 bitset in bits. All callers changed. Avoid looking at undefined
13212 bits in the bitset.
13213 (edgeset_bitsize): New variable.
13214 (schedule_region): Initialize edgeset_bitsize.
13216 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13218 * Makefile.in (optabs.o): Depend on real.h
13219 (resource.o): Depend on insn-attr.h
13221 * builtins.c (result_vector): Wrap prototype in macro conditions
13222 governing definition and use.
13224 * c-common.c: Include tm_p.h.
13226 * c-lex.c: Likewise.
13228 * elfos.h: Constify a char*.
13230 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13231 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13232 parameter with ATTRIBUTE_UNUSED.
13234 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13237 * haifa-sched.c (schedule_insns): Mark parameter with
13240 * optabs.c: Include real.h.
13242 * real.h (ereal_atof): Add prototype arguments.
13244 * resource.c: Include insn-attr.h.
13246 * sdbout.c (sdbout_queue_anonymous_type,
13247 sdbout_dequeue_anonymous_types): Wrap in macro
13248 SDB_ALLOW_FORWARD_REFERENCES.
13249 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13252 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13254 * stupid.c: Include tm_p.h.
13256 * tree.c (real_value_from_int_cst): Mark parameter with
13259 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13261 * i960-protos.h: New file.
13263 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13266 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13268 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13270 * combine.c (expand_field_assignment): Do not discard SUBREGs
13271 while computing nonzero_bits.
13273 2000-01-09 Nick Clifton <nickc@cygnus.com>
13275 * config/arm/arm.c: Fix compile time warnings about signed vs
13276 unsigned constants.
13277 * config/arm/arm.h: Fix compile time warnings about signed vs
13278 unsigned constants.
13280 2000-01-09 Philip Blundell <philb@gnu.org>
13282 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13283 than `ldm' with only one register.
13284 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13287 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13290 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13292 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13295 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13297 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13298 assignment used as truth value.
13300 * function.c (assign_temp): Mark parameter `dont_promote' with
13301 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13302 PROMOTE_FOR_CALL_ONLY.
13304 * genrecog.c (write_subroutine): Mark variable `operands' with
13307 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13310 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13311 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13313 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13316 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13318 * config/c4x.h: Tidy up comments.
13319 * config/c4x.c: Likewise.
13321 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13323 * fold-const.c (lshift_double, rshift_double): Handle
13324 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13326 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13328 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13329 in prepare_function_start().
13331 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13333 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13334 longer allocate extra stack for function calls.
13336 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13338 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13340 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13342 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13344 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13346 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13347 * aix43.h: Revert Aug 2 change.
13348 (HAS_INIT_SECTION): Define, not visible yet.
13349 (LD_INIT_SWITCH): Define, not visible yet.
13350 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13352 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13354 * collect2.c (main): Expand ld2 size further.
13355 (export_object_lst): Cast assignment to avoid warning.
13356 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13357 (scan_prog_file, COFF): Do not collect initialization or
13358 finalization functions generated for entire shared object if
13359 init/fini support present.
13361 2000-01-07 Nick Clifton <nickc@cygnus.com>
13363 * config/elfos.h: Tidy up formatting of marcos. Make sure
13364 that .section directives are always prefixed by a tab.
13366 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13369 2000-01-07 Matt Austern <austern@sgi.com>
13371 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13374 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13376 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13378 (crtbegin.o, s-crtS): Likewise.
13380 2000-01-06 Richard Henderson <rth@cygnus.com>
13382 * alpha.md (adddi_2+1): Limit offset such that it will be
13383 loadable with a single ldah+lda pair.
13384 (adddi_2+2): Explicitly fail split if we can't make it work.
13386 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13388 * protoize.c: Conditionally include unistd.h.
13389 (IS_SAME_PATH_CHAR): New macro.
13390 (IS_SAME_PATH): New macro.
13391 (CPLUS_FILE_SUFFIX): New macro.
13392 (cplus_suffix): New static variable.
13393 (is_abspath): New static function.
13394 (in_system_include_dir): Handle DOS style pathnames.
13395 (file_could_be_converted): Likewise.
13396 (file_normally_convertible): Likewise.
13397 (directory_specified_p): Likewise.
13398 (file_excluded_p): Likewise.
13399 (abspath): Likewise.
13400 (shortpath): Likewise.
13401 (referenced_file_is_newer): Likewise.
13402 (save_def_or_dec): Likewise.
13403 (do_processing): Likewise.
13405 (edit_file): Likewise. Use rename instead of link.
13406 (rename_c_file): Likewise. Don't rename syscalls file.
13407 (munge_compile_params): Define null device for DOS based systems.
13408 (process_aux_info_file): Use binary mode if appliable.
13409 (edit_file): Likewise.
13410 * invoke.texi (Running Protoize): Document C++ suffixes used.
13412 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13413 IS_DIR_SEPARATOR macros.
13414 * collect2.c: Likewise.
13415 * cppinit.c: Likewise.
13416 * dwarf2out.c: Likewise.
13418 * gcov.c: Likewise.
13419 * prefix.c: Likewise.
13421 * toplev.c: Likewise.
13422 * system.h: And move to here.
13424 * prefix.c (update_path): Fix typo in variable name.
13426 2000-01-06 Richard Henderson <rth@cygnus.com>
13428 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13429 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13430 (count_reg_sets_1, count_reg_references): Likewise.
13431 (flow_loops_level_compute): Start counting actual loop depth at 1.
13432 (flow_loops_find): Likewise.
13433 * local-alloc.c (update_equiv_regs): Likewise.
13434 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13436 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13438 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13439 FIRST_PSEUDO_REGISTER
13440 * dwarf2out.c: Don't include frame.h
13441 * dwarfout.c: Likewise
13442 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13445 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13447 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13450 * i386.c (movsf splitter): Fix typo in my last checkin.
13452 2000-01-05 Nick Clifton <nickc@cygnus.com>
13454 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13455 own definition of this macro.
13456 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13457 flag_data_sections or UNIQUE_SECTION_P are true.
13459 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13460 unitialised data decls.
13462 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13463 being called for uninitialised data.
13465 * config/i386/interix.c (i386_pe_unique_section): Cope with
13466 being called for uninitialised data.
13468 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13469 for uninitialised data.
13471 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13472 for uninitialised data.
13474 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13475 for uninitialised data.
13477 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13478 (UNIQUE_SECTION_P): Always generate a unique section if
13479 flag_data_sections is true.
13480 (UNIQUE_SECTION): Also generate unique sections for
13481 uninitialised data.
13482 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13483 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13486 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13488 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13491 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13493 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13494 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13495 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13496 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13497 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13499 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13501 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13503 * c-decl.c (finish_enum): Simplify code to determine minimum and
13504 maximum values of the enum, and calculate the type. Remove check
13505 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13506 the DECL_INITIAL of each enumeration constant with a copy converted
13507 to the enumeration type. When updating variant types, don't bother
13508 updating the type itself.
13510 * c-typeck.c (build_binary_op): Simplify conditional expressions
13511 when weeding out spurious signed-unsigned warnings. Add new
13512 spurious warning category: if the unsigned quantity is an enum
13513 and its maximum value fits in signed_type(result_type). Update
13515 (build_conditional_expr): Warn here if one alternative is signed
13516 and the other is unsigned.
13518 2000-01-05 Nick Clifton <nickc@cygnus.com>
13520 * config/fr30/fr30.h: Remove extraneous comments.
13522 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13524 * reload1.c (choose_reload_regs): When disabling a reload, also
13525 set reload_spill_index to -1.
13527 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13529 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13531 (m68*-*-rtemself*): New target.
13532 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13533 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13534 (sparc*-*-rtemself*): New target.
13535 (sparc*-*-rtems*): Now elf not a.out.
13536 * config/i386/rtems.h: Include config/rtems.h.
13537 * config/i386/rtemself.h: Include config/rtems.h.
13538 * config/i960/rtems.h: Include config/rtems.h.
13539 * config/m68k/rtems.h: Include config/rtems.h.
13540 * config/m68k/rtemself.h: Include config/rtems.h.
13541 * config/mips/rtems64.h: Include config/rtems.h.
13542 * config/pa/rtems.h: Include config/rtems.h.
13543 * config/rs6000/rtems.h: Include config/rtems.h.
13544 * config/sh/rtems.h: Include config/rtems.h.
13545 * config/sh/rtemself.h: Include config/rtems.h.
13546 * config/sparc/rtems.h: Include config/rtems.h.
13547 * config/sparc/rtemself.h: Include config/rtems.h
13549 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13551 * final.c (shorten_branches): Correctly compute length of
13552 asms without operands.
13554 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13556 * configure.in: Add pj target.
13557 * configure: Regenerate.
13558 * config/pj: New directory.
13559 * config/pj/lib1funcs.S: New file.
13560 * config/pj/linux.h: New file.
13561 * config/pj/pj.c: New file.
13562 * config/pj/pj.md: New file.
13563 * config/pj/pjl.h: New file.
13564 * config/pj/t-pj: New file.
13565 * config/pj/xm-pj.h: New file
13567 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13569 * toplev.c (rest_of_compilation): Run shorten-branches before
13572 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13574 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13575 macros so that they're consistent with their names.
13576 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13577 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13579 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13581 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13582 modified inadvertently.
13584 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13586 * configure.in (v850*-*-rtems*): New target.
13587 * configure: Regenerate.
13588 * config/v850/rtems.h: New file.
13590 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13592 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13593 (__gthread_key_create): Likewise.
13594 (__gthread_key_dtor): Likewise.
13595 (__gthread_once): Fix logic.
13596 (__gthread_key_delete): Cast away constness.
13598 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13599 * invoke.texi: Document.
13600 * i386/mingw32.h (CPP_SPEC): Use.
13601 (LIBGCC_SPEC): Likewise.
13602 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13604 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13606 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13607 (HANDLE_PRAGMA_PACK): Undefine.
13608 (SLOW_UNALIGNED_ACCESS): Define.
13610 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13612 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13613 to default definition.
13614 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13615 (store_fixed_bit_field): Call macro with word_mode and alignment.
13616 (extract_bit_field): Call macro with relevant mode and alignment.
13617 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13618 to default definition.
13619 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13621 (move_by_pieces_ninsns): Likewise.
13622 (clear_by_pieces): Likewise.
13623 (emit_push_insn): Likewise.
13624 (store_field): Call macro with relevant mode and alignment.
13625 (expand_expr): Likewise.
13626 (expand_expr_unaligned): Likewise.
13628 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13629 (SLOW_UNALIGNED_ACCESS): Define.
13630 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13631 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13632 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13633 (toc_section): Likewise and .toc pseudo-op.
13634 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13636 (TEXT_SECTION_ASM_OP): Likewise.
13637 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13640 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13641 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13642 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13643 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13644 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13646 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13648 * regclass.c: Revert my Jan 4 change to loop cost computation.
13650 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13652 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13655 2000-01-04 Stan Cox <scox@cygnus.com>
13657 * haifa-sched.c (build_control_flow): Change unreachable simple
13658 loop test to check if current block has only one predecessor.
13659 (find_rgns): Initialize degree. Use dest as degree index, not src.
13661 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13663 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13665 * calls.c (expand_call): Likewise for
13666 `old_stack_arg_under_construction'.
13668 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13670 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13673 * gcc.c (execute): Likewise for `ut' and `st'.
13675 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13677 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13679 * jump.c (jump_optimize_1): Likewise for `temp2'.
13681 * local-alloc.c (block_alloc): Likewise for `r1'.
13683 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13685 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13686 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13688 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13691 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13692 and `goal_earlyclobber'.
13694 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13696 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13698 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13700 * unroll.c (copy_loop_body): Likewise for `copy'.
13702 * varasm.c (output_constructor): Likewise for `byte'.
13704 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13706 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13707 all FP constants for constant->reg moves.
13708 (ix86_split_to_parts): Try to convert memory address into immediate
13709 when available in the constant pool.
13710 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13712 (LEGITIMATE_CONSTANT_P): Return 1.
13713 * i386.md (pushsf): New splitter to convert constant pool memory
13714 reference to immediate.
13715 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13718 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13720 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13721 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13722 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13723 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13724 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13726 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13728 * ginclude/stdbool.h: Support compilation as C++.
13730 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13732 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13734 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13736 * regclass.c (regclass): Properly compute loop_cost. Adjust
13739 * regclass.c: Fix minor whitespace problems.
13741 2000-01-03 Anthony Green <green@cygnus.com>
13743 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13744 Restore the pic register if required.
13746 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13748 * c-common.c (format_char_info): Update comment.
13749 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13750 was recognized. Emit warning for formats new in ISO C99 only
13751 if flag_isoc9x is not set.
13753 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13755 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13757 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13759 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13760 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13761 (make_compound_operation): Choose cheaper alternative between
13762 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13764 * regclass.c (op_costs): Remove global variable.
13765 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13766 (record_operand_costs): Break out from ...
13767 (scan_one_insn): ... here.
13768 (dump_regclass): Make dumps nicer.
13769 (regclass): Dump preferrences choosed and changes done during passes.
13771 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13773 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13775 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13777 * config/sparc/sparc.c (gen_df_reg): New function.
13778 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13779 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13780 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13781 movtf_cc_reg_sp64+1): Use it.
13783 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13785 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13786 copied LABEL_DECLs.
13788 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13790 * config/i386/i386.c (ix86_expand_unary_operator): Function
13791 definition made void.
13792 (ix86_expand_binary_operator): Update outdated preceding comment.
13793 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13796 * config/i386/i386.c (override_options): Fix option-name typo.
13798 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13800 * system.h (CEIL): Define.
13801 * builtins.c (CEIL): Remove.
13802 * expmed.c (CEIL): Likewise.
13803 * expr.c (CEIL): Likewise.
13804 * stor-layout.c (CEIL): Likewise.
13806 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13808 * expr.c (store_constructor_field): Fix typo introduced with last
13811 2000-01-01 Mark Mitchell <mark@codesourcery.com>
13813 * tree.h (BINFO_N_BASETYPES): New macro.
13815 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
13817 * expmed.c (emit_store_flag): Prevent losing a pending stack
13818 adjust the same way we prevent losing queued increments.
13820 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13822 * function.c (update_temp_slot_address): Handle case where sum of
13823 temporary address plus offset in register is a valid address.
13825 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13827 * genrecog.c (change_state) Corrected typo.
13829 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13831 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
13832 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
13833 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
13835 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
13837 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
13838 case, expand GT comparisons correctly. Fix a comment before this
13841 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13843 * dwarfout.c: Include "frame.h"
13844 * dwarf2out.c: Likewise.
13845 * Makefile.in (dwarfout.o): Depend on frame.h
13846 (dwarf2out.o): Likewise.
13848 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
13850 Restore i386 binary compatibility in Dwarf EH info.
13851 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
13852 value of FIRST_PSEUDO_REGISTER.
13853 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
13854 (struct frame_state): Use DWARF_FRAME_REGISTERS.
13855 * dwarfout.c (output_reg_number): Ditto.
13856 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
13857 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
13859 1999-12-29 Bruce Korb <autogen@linuxbox.com>
13861 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
13862 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
13863 (<hack>_RE_CT): not needed
13864 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
13865 rewritten to scan the file text once only
13866 "template<..." test added
13867 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
13868 (is_cxx_header): declaration added
13869 * fixinc/fixtests.c(is_cxx_header): removed
13870 (apply_fix_p_t): removed
13871 (double_slash_test): is_cxx_header is only called once now
13872 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
13873 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
13874 within the templates.
13875 The borken spelling of "broken" was fixed.
13876 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
13877 The default level depends on FIXINC_DEBUG.
13879 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13881 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
13882 Otherwise provide a declaration for atexit.
13883 (init_dummy): Make sure dummy call to atexit is nevertheless
13884 called with correct number of args.
13886 * frame.c: Update comments referring to other files.
13888 * libgcc2.c: Likewise.
13890 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13892 * cse.c (free_element, get_element): Remove unused prototypes.
13894 * fold-const.c (extract_muldiv): Initialize variables `op0' and
13897 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
13900 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
13902 * configure.in,configure: case arm for mn10200-*-* now sets
13903 float_format=i32 so that float.h will correctly claim "double"
13904 to be 32 bits. Ran autoconf to generate configure from .in file.
13906 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
13908 * pa.md (conditional zero): If op1 is a register, force it into
13909 the same register as op0.
13911 1999-12-28 Mark Mitchell <mark@codesourcery.com>
13913 * tree.h (BINFO_BASETYPES): Improve documentation.
13915 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13917 * configure.in (--enable-checking): Use a more portable `for'
13920 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13922 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
13923 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
13925 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
13928 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
13929 Delete descriptions.
13931 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
13932 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
13933 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
13934 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
13935 xm-svr4.h: Remove all instances of sys_siglist handling.
13937 1999-12-27 Jakub Jelinek <jakub@redhat.com>
13939 * config/sparc/sparc.md (cmp_zero_qi,
13940 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
13941 cmp_zero_extendqidi2_andcc_set): New patterns.
13943 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
13945 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
13946 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
13947 (fpgnulib.c, xfgnulib.c): Add rules.
13948 * m68k/t-mot3300-gas: Likewise.
13950 1999-12-27 Ian Lance Taylor <ian@zembu.com>
13952 * configure.in: Avoid [[ by using test and changequote. Add
13953 changequote required by 1999-12-14 change.
13954 * configure: Rebuild.
13956 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
13958 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
13960 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
13962 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
13963 * flow.c (find_use_as_address): Likewise.
13964 * function.c (fixup_var_refs_1): Likewise.
13965 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
13966 * jump.c (invert_exp, redirect_exp): Likewise.
13967 * loop.c (replace_call_address): Likewise.
13968 (count_nonfixed_reads): Likewise.
13969 * rtlanal.c (modified_between_p): Likewise.
13970 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
13971 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
13972 * unroll.c (remap_split_bivs): Likewise.
13974 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13976 * diagnostic.c (v_message_with_decl): Use .* format specifier
13977 instead of building the format specifier width manually.
13979 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
13980 determining whether to provide a prototype. Remove the
13981 sys_siglist clause in the conditional.
13983 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13985 * fold-const.c (operand_equal_p): Use memcmp to compare string
13987 Suggested by D. J. Bernstein
13989 1999-12-17 Jakub Jelinek <jakub@redhat.com>
13991 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
13992 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
13994 * config/mips/mips.h (TARGET_64BIT): Likewise.
13995 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
13996 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
13997 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
13998 dsps. Give routines proper names if SI/DI modes are not used.
13999 * longlong.h: Use DWunion instead of DIunion.
14001 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14003 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14004 GC_CHECKING, GC_ALWAYS_COLLECT.
14005 * configure.in: Allow --enable-checking with an argument
14006 listing check modes to enable.
14007 * config.in, configure: Rebuilt.
14008 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14009 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14010 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14011 ENABLE_GC_ALWAYS_COLLECT.
14012 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14014 * tree.h, tree.c: Change ENABLE_CHECKING to
14015 ENABLE_TREE_CHECKING throughout.
14017 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14019 * fold-const.c (fold_truthop): Properly check for FP RHS.
14021 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14023 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14024 * toplev.c (note_deferral_of_defined_inline_function): New
14025 function, split out from ...
14026 (rest_of_compilation): ... here. Use it.
14028 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14030 * expr.c (store_constructor): Don't call clear_storage if size is
14033 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14035 * Makefile.in (toplev.o): Depend on loop.h.
14037 * dwarfout.c: Include tm_p.h.
14039 * emit-rtl.c (restore_emit_status): Mark parameter with
14042 * final.c (final_scan_insn): Likewise.
14044 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14045 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14046 flow_depth_first_order_compute, flow_loop_pre_header_find,
14047 flow_loop_tree_node_add, flow_loops_tree_build,
14048 flow_loop_level_compute, flow_loops_level_compute,
14049 flow_loop_outside_edge_p): Add prototypes.
14050 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14052 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14053 Mark with ATTRIBUTE_NORETURN.
14055 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14057 * local-alloc.c (no_conflict_p): Likewise.
14059 * loop.c (insert_bct): Hide definitions of variables with hidden
14061 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14063 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14064 with ATTRIBUTE_UNUSED.
14065 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14066 (reg_scan): Likewise.
14068 * reload.c (find_reloads): Remove unused variables `changed'.
14070 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14072 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14073 Remove unused variable `insn'.
14075 * toplev.c: Include loop.h.
14076 (report_file_and_line): Remove unnecessary prototype.
14078 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14080 * unroll.c (biv_total_increment): Likewise.
14082 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14084 * reload1.c (emit_input_reload_insns): Restore old behaviour
14085 wrt. 'special' reloads.
14087 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14089 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14090 hash.h. (cse.c): Don't depend on hashtab.h.
14092 * cse.c: Don't include hashtab.h.
14093 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14095 * ggc-simple.c: Don't include hash.h.
14097 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14099 * dwarf2out.c (add_abstract_origin_attribute): Call
14100 gen_abstract_function on our function context.
14102 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14104 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14106 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14108 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14111 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14113 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14114 constraints to "a!r".
14116 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14118 * Makefile.in (calls.o): Depend on function.h.
14119 (alias.o): Likewise.
14121 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14123 * reload1.c (emit_reload_insns): Break out code and variables into...
14124 (input_reload_insns, other_input_address_reload_insns,
14125 other_input_reload_insns, input_address_reload_insns,
14126 inpaddr_address_reload_insns, output_reload_insns,
14127 output_address_reload_insns, outaddr_address_reload_insns,
14128 operand_reload_insns, other_operand_reload_insns,
14129 other_output_reload_insns): ... new static variables, and...
14130 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14131 do_output_reload): ... new functions.
14133 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14135 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14137 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14139 * md.texi: Add c4x constraints documentation.
14141 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14143 * config/i386/dgux.c (struct option): Rename to
14144 lang_independent_option.
14145 (struct m_options): Add description field.
14146 (output_options): Rename option type, add sep declaration, output
14147 ix86_cpu_string and ix86_arch_string only if set.
14148 (output_file_start): Rename option type.
14150 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14152 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14154 (libgcc2.a): Similarly.
14156 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14158 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14159 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14160 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14162 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14164 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14165 Remove redundant initialization of "frexpon" and "expon".
14167 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14169 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14171 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14172 (store_constructor_field, expand_expr): Pass new arg.
14174 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14176 * Makefile.in (explow.o): Depend on function.h.
14178 * stor-layout.c (set_sizetype): Fix typo.
14180 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14182 * function.c (cfun): Renamed from current_function. All users
14184 * function.h (cfun): Rename declaration as well.
14186 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14187 to be of type regset_head, not regset. All users changed by adding
14189 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14191 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14193 * config/c4x/rtems.h: New file.
14195 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14197 * reload1.c (spill_failure): Take class of failed reload as argument
14198 and print it. Caller changed.
14200 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14202 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14203 (TARGET_SWITCHES): Allow subtargets to default switches.
14204 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14206 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14208 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14211 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14213 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14214 * cppinit.c (cpp_handle_option): Likewise.
14216 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14217 determine when to define.
14219 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14221 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14222 cmove with mismatched test and data modes.
14224 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14226 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14229 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14231 * alias.c: Minor reformatting.
14232 * flow.c: Likewise.
14233 * regs.h: Likewise.
14234 * stor-layout.c: Likewise.
14235 * fold-const.c: Likewise.
14236 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14237 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14239 (size_int_wide): Cache nodes even if garbage collecting.
14240 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14241 of SAVE_EXPR has no side effects.
14242 * cse.c: Move a comment.
14243 * tree.c: Minor reformatting.
14244 (int_size_in_bytes): Return -1 if constant overflows.
14246 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14248 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14250 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14252 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14253 after any change to c-parse.in, even if objc-parse.y didn't
14256 1999-12-18 David S. Miller <davem@redhat.com>
14258 * toplev.c (rest_of_compilation): Restore BLOCK tree
14259 reconstruction and branch shortening changes lost in
14260 December 18th change.
14262 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14264 * config/arm/linux-elf.h: Change all instances of
14265 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14266 * config/arm/uclinux-elf.h: Likewise.
14268 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14270 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14271 v_message_with_decl, file_and_line_for_asm,
14272 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14273 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14274 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14275 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14276 pfatal_with_name, fatal_io_error, need_error_newline,
14277 last_error_function, last_error_tick, announce_function,
14278 default_print_error_function, print_error_function,
14279 report_error_function, fnotice, error_with_file_and_line,
14280 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14281 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14282 warning_with_decl, warning_for_asm, warning, pedwarn,
14283 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14285 (compile_file): Use fnotice instead of notice. Adjust call.
14287 * diagnostic.c: New file.
14289 * Makefile.in (OBJS): Include diagnostic.o
14290 (diagnostic.o): Define dependence.
14292 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14294 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14297 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14299 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14301 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14303 * fixtests.c (is_cxx_header): New fn, split out of
14305 (else_endif_label): Allow "#endif // comment" in C++ headers,
14306 as determined by is_cxx_header.
14307 * fixfixes.c (else_endif_label_fix): Update comment.
14308 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14310 * genfixes: Correct double thinko in commandline parsing.
14311 * hackshell.tpl: Generate correct sh syntax for bypass
14314 * inclhack.def (all): Whenever an inserted preprocessor
14315 conditional is split over multiple lines, use double
14316 backslashes in this file so the fixed header will be readable.
14318 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14319 and add bypass entry for correct version of this header.
14320 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14321 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14323 (hpux8_bogus_inlines): New fix, split from...
14324 (ultrix_atof_param) ... here.
14325 (math_expression): Add bypass entry keyed to glibc comment
14326 indicating the problem has been dealt with; disable
14327 unnecessary sed operations; update commentary.
14328 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14329 add select and bypass entries, simplify shell operation.
14330 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14332 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14333 ultrix_atof_param): Add select entry.
14334 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14335 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14336 comments with the fixes they describe.
14338 * c-parse.in (string action): Do not warn about ANSI string
14339 concatenation in system headers. Affects C parser only.
14340 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14342 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14344 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14345 compiling libgcc2 the macro depends always on arch cpp defines.
14347 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14349 * loop.c (insert_loop_mem): Don't record MEMs from inside
14352 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14354 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14356 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14357 notes too, create one when replacement failed, attempt to simplify
14359 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14360 or REG_EQUIV notes.
14362 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14364 * crtstuff.c (__dso_handle): Declare.
14365 (__cxa_finalize): Likewise.
14366 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14369 * invoke.texi: Document -fuse-cxa-atexit.
14371 * tree.h (ptr_type_node): Document.
14372 (const_ptr_type_node): Likewise.
14374 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14376 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14377 (optimize_reg_copy_2): Likewise.
14378 (optimize_reg_copy_3): Likewise.
14379 (fixup_match_2): Likewise.
14380 (regmove_optimize): Likewise.
14381 (fixup_match_1): Liekwise.
14383 * i386.md (HI to SImode promoting splitters): Rewrite.
14384 (pushsf mem peep2): New.
14385 (testhi to andhi peep2): Remove.
14386 * i386.h (x86_promote_QImode): New.
14387 (TARGET_PROMOTE_QImode): New.
14388 (PREDICATE_CODES): Add promotable_binary_operator.
14389 * i386.c (x86_promote_QImode0: New.
14390 (promotable_binary_operator): New.
14391 * i386-protos.h (promotable_binary_operator): New.
14393 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14395 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14397 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14399 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14400 * function.c (insert_block_after_note): Remove.
14401 (retrofit_block): Likewise.
14402 (identify_blocks): Fix indentation.
14403 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14404 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14405 * function.h (insert_block_after_note): Remove prototype.
14406 (retrofit_block): Likewise.
14407 * integrate.c (expand_inline_function): Don't call
14408 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14409 just expand_start_bindings. Use the block_map to remap old
14410 NOTE_BLOCKs to new ones.
14411 (integrate_decl_tree): Keep track of remapped blocks.
14412 * integrate.h (struct inline_remap): Add block_map.
14413 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14414 NOTE_BLOCK on the notes.
14415 (expand_start_bindings): Rename to ...
14416 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14417 (expand_end_bindings): Set NOTE_BLOCK.
14418 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14419 reconstruct the BLOCK tree.
14420 * tree.h (expand_start_bindings): Macroize. Call ...
14421 (expand_start_bindings_and_block): New function.
14423 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14425 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14426 to match the format.
14428 1999-12-16 David S. Miller <davem@redhat.com>
14430 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14431 the outputs is a SUBREG.
14432 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14435 * config/sparc/sparc.c (epilogue_renumber): Add default case
14438 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14440 * toplev.c (rest_of_compilation): Run branch shortening after
14443 * regclass.c (loop_depth): Remove
14444 (scan_one_insn): Do not handle LOOP_NOTE insns.
14445 (regclass): Go through basic blocks and set loop_cost
14447 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14449 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14451 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14453 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14454 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14455 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14457 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14459 * loop.c (insert_loop_mem): Ignore memory clobbers.
14461 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14464 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14466 * profile.c: Remove redundant #include "output.h".
14468 * h8300.md (HImode preinc peephole): Fix typo.
14470 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14472 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14473 (insert_block_after_note): Abort if we don't have a previous block.
14474 Remove FN parameter.
14475 * function.h: Adjust.
14477 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14479 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14480 argument more than once.
14482 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14484 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14486 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14488 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14490 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14492 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14493 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14494 update stack_alignment_needed.
14495 (prepare_function_start): Initialize stack_alignment_needed
14496 * function.h (struct function): Add field stack_alignment_needed.
14498 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14500 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14501 Handle live_throughout / dead_or_set instead of live_before /
14503 (save_call_clobbered_regs): Get register livenessinformation from
14504 chain->live_throughout.
14505 (add_stored_regs): New function.
14506 (insert_restore, insert_save): Add restored / saved registers to
14508 * global.c (reg_dies): New parameter chain.
14509 (reg_becomes_live): Third parameter is regs_set now.
14510 Changed all callers.
14511 (reg_dies): New parameter chain. Changed all callers.
14512 (build_insn_chain): Set live_throughout instead of
14513 live_before / live_after.
14514 * reload.h (struct insn_chain): Replace members live_before /
14515 live_after with live_throughout / dead_or_set.
14516 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14517 instead of live_before / live_after.
14518 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14519 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14520 (choose_reload_regs_init): Likewise.
14521 * stupid.c (current_chain, find_clobbered_regs): Delete.
14522 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14523 instead of chain->live_before / chain->live_after.
14524 (mark_hard_ref): New function.
14525 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14527 1999-12-15 David S. Miller <davem@redhat.com>
14529 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14531 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14533 * flow.c (calculate_loop_depth): Make global, remove prototype,
14534 rewrite to use new loop infrastructure.
14535 (find_basic_block): Remove calculate_loop_depth call.
14536 * toplev.c (rest_of_compilation): Call find_basic_block.
14537 * output.h (calculate_loop_depth): Declare.
14539 * flow.c (dump_flow_info): Dump loop_depth.
14540 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14542 (flow_loops_find): Initialize the loop_depth for each basic block.
14544 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14546 * tree.c (decl_function_context): Handle virtual functions.
14548 * tlink.c (scan_linker_output): Don't look in demangled name when
14549 looking for linker output keywords.
14551 * dwarfout.c (output_type): We can defer namespace-scope classes.
14553 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14555 * regclass.c (record_reg_classes): Update comment for merging
14556 register class preferences in reg->reg copies. Tighten conditions
14557 for merging register class preferences in reg->reg copies.
14559 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14561 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14563 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14565 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14566 (INIT_SECTION_ASM_OP): Delete.
14567 (FINI_SECTION_ASM_OP): Delete.
14568 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14570 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14572 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14573 the abstract origin wasn't emitted.
14575 * dwarf2out.c (class_scope_p): New fn.
14576 (gen_subprogram_die): Use it.
14577 (gen_variable_die): Use it. Tweak logic.
14578 (gen_struct_or_union_type_die): Check context_die to determine
14579 if we're function-local.
14580 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14582 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14584 * loop.c (check_dbra_loop): Can't reverse a biv that has
14585 maybe_multiple set.
14587 1999-12-14 Nick Clifton <nickc@cygnus.com>
14589 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14592 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14594 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14595 for givs made from biv increments.
14597 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14599 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14600 * alpha.c (override_options): Recognize -mcpu=ev67.
14601 * alpha.h (CPP_CPU_EV67_SPEC): New.
14602 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14603 (EXTRA_SPECS): Update.
14605 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14607 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14608 appropriate for -lang-c89 and -std=*.
14609 * cppinit.c (cpp_handle_option): Likewise.
14610 (new_pending_define): New, split out from cpp_handle_option.
14611 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14612 or enable trigraphs for -ansi/-std=*.
14614 * ginclude/stdarg.h (__va_copy): New.
14615 (va_copy): Don't define for C89.
14617 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14619 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14620 for long long multiply-accumulate.
14622 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14624 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14625 optimizing for size.
14627 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14629 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14630 if something changed. Back out that part of yesterday's changes.
14632 * loop.c (loop_max_reg): New static variable.
14633 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14635 (scan_loop): Call reg_scan_update whenever we may have added new
14636 registers, and update loop_max_reg.
14638 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14640 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14641 when source does not die.
14643 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14645 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14647 * config/sparc/linux64.h (TARGET_LIVE_G0,
14648 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14650 * config/sparc/linux.h (TARGET_LIVE_G0,
14651 TARGET_BROKEN_SAVERESTORE): Likewise.
14652 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14653 TARGET_BROKEN_SAVERESTORE): Likewise.
14655 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14656 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14658 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14659 as sparc64 block profiling register.
14660 * config/sparc/sparc.c (sparc_override_options): Allow block
14661 profiling with -m32.
14662 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14663 profiling register.
14664 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14665 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14666 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14668 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14670 * config/sparc/sparc.h: Likewise.
14671 * config/sparc/xm-sysv4-64.h: Likewise.
14672 * config/float-sparc.h: Likewise.
14673 * glimits.h: Likewise.
14674 * longlong.h: Likewise.
14676 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14677 (ASM_IDENTIFY_GCC): Remove.
14679 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14681 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14682 (simplify_logical): Likewise.
14684 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14686 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14687 * cppfiles.c (INO_T_EQ): Likewise.
14689 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14691 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14692 * i386/mingw32.h (LIB_SPEC): Likewise.
14693 (STARTFILE_SPEC): Likewise.
14694 * i386/uwin.h (LIB_SPEC): Likewise.
14695 (STARTFILE_SPEC): Likewise.
14697 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14698 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14700 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14702 * combine.c (combine_simplify_rtx): Fix order of checks for
14703 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14705 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14707 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14708 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14710 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14712 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14714 * regclass.c (inv_reg_alloc_order): New array.
14715 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14717 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14718 counted_for_groups, counted_for_nongroups. Add fields rld and
14720 * reload.c (push_secondary_reload): Don't set nongroup field of
14722 (push_reload): Likewise.
14723 (find_reloads): Delete code to compute nongroup fields.
14724 * reload1.c (reload_insn_firstobj): New static variable.
14725 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14727 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14728 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14729 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14731 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14733 (struct hard_reg_n_uses): Deleted.
14734 (potential_reload_regs): Deleted.
14735 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14736 (reload): Don't try to allocate reload registers if we already know
14737 we have to make another pass. Call select_reload_regs. Free memory
14738 starting with reload_firstobj when starting another pass.
14739 Don't allocate spilled_pseudos.
14740 (calculate_needs_all_insns): Call copy_reloads for an insn that
14741 needs reloads; don't call calculate_needs.
14742 (spill_cost): New static array.
14743 (used_spill_regs_local): New static variable.
14744 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14745 to compute potential_reload_regs.
14746 (find_reload_regs): Completely rewritten to use find_reg.
14747 (allocate_reload_reg): Don't test counted_for_groups or
14748 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14749 all cllers changed.
14750 (choose_reload_regs): Add fallback code that uses the existing
14751 register allocation from find_reload_regs.
14753 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14755 * flow.c (create_edge_list): Cast xmalloc return value.
14757 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14759 * doprnt.c: Remove incorrect comment closure.
14761 * cse.c: Fix a few minor whitespace goofs.
14763 1999-12-13 Don Bowman <don@pixstream.com>
14765 * mips/vxworks.h: Fix problem with comment termination.
14766 (EXTRA_SECTIONS): Add in_sbss.
14767 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14769 1999-12-12 David S. Miller <davem@redhat.com>
14771 * cse.c (struct cse_reg_info): Add hash_next member,
14772 reorder rest of struct for better packing on 64-bit
14774 (cse_reg_info_tree): Kill.
14775 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14776 REGHASH_FN): New custom pow2 hash mechanism.
14778 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14779 use a pow2 hash table.
14780 (get_cse_reg_info): Rework to use new REGHASH.
14781 (new_basic_block): Likewise, use HASH_SIZE, and inline
14783 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14784 and inline free_element call.
14785 (lookup_as_function, insert, flush_hash_table, invalidate,
14786 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14787 invalidate_for_call, use_related_value, find_comparison_args,
14788 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14789 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14790 get_element): Kill.
14792 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14794 * cse.c (cse_basic_block): Free qty_table consistently.
14796 1999-12-12 David S. Miller <davem@redhat.com>
14797 Jakub Jelinek <jakub@redhat.com>
14799 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14800 SUBREGs by hand, gen the appropriate hard reg directly.
14801 (movtf reg/mem split): Likewise and alter_subreg on destination
14803 (movtf mem/reg split): Similarly.
14804 (movdf_cc_sp64): Rename from hidden pattern.
14805 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14806 (movtf_cc_sp64, following split): New pattern and splitter.
14807 (movdf_cc_reg_sp64): Rename from hidden pattern.
14808 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
14810 (movtf_cc_reg_sp64, following split): New pattern and splitter.
14812 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
14814 * loop.c (load_mems): Don't hoist written floating point mem
14817 1999-12-12 Mark Mitchell <mark@codesourcery.com>
14819 * except.h (struct eh_queue): Add `next' pointer.
14820 (struct eh_status): Make x_ehqueue a pointer.
14821 (push_ehqueue): Declare.
14822 (pop_ehqueue): Likewise.
14823 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
14825 (expand_fixup_region_end): Likewise.
14826 (expand_leftover_cleanups): Likewise.
14827 (push_ehqueue): Define.
14828 (pop_ehqueue): Likewise.
14829 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
14830 than doing it inline.
14831 (expand_start_all_catch): Adjust now that ehqueue is a
14833 (mark_eh_queue): Mark all level of the queue.
14834 (mark_eh_status): Adjust now that ehqueue is a
14836 (init_eh_for_function): Allocate ehqueue.
14837 (free_eh_status): Free it.
14838 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
14839 expansion for a fixup.
14841 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14843 * gthr-single.h (__gthread_active_p): Add prototype arguments.
14845 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
14846 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
14847 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
14848 function_ptr, getpagesize, __enable_execute_stack,
14849 __enable_execute_stack, __clear_insn_cache,
14850 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
14851 _cleanup, _exit, __default_terminate, __terminate_func,
14852 __terminate, __empty, __throw, new_eh_context,
14853 eh_context_initialize, eh_context_static, eh_context_specific,
14854 get_eh_context, __get_eh_context, __get_eh_info,
14855 init_reg_size_table, eh_threads_initialize,
14856 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
14857 __unwinding_cleanup, throw_helper, __throw, __rethrow,
14858 __pure_virtual): Add prototype arguments.
14859 (__bb_exit_func): Cast a sizeof to long when comparing against one.
14860 Cast a signed value to unsigned long when comparing against one.
14861 (new_eh_context): Wrap in _GTHREADS macro.
14862 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
14864 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
14865 (throw_helper): Initialize variables `handler_p' and `pc_p'.
14867 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14869 * combine.c (record_promoted_value): Remove unused variable
14872 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
14874 * global.c (record_conflicts): Likewise for `j'.
14876 * genoutput.c (output_insn_data): Don't unnecessarily cast away
14879 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14881 * i386-protos.h (output_387_binary_op, output_fix_trunc,
14882 output_fp_compare): Constify a char*.
14884 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
14886 (override_options, ix86_comp_type_attributes, print_operand,
14887 output_387_binary_op, output_fix_trunc, output_fp_compare):
14889 (ix86_sched_reorder): Mark parameter `clock_var' with
14892 * i386.h (DEBUG_PRINT_REG): Constify a char*.
14894 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
14896 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
14897 operand, for use in the Java front-end.
14899 1999-12-10 Ben Collins <bcollins@debian.org>
14901 * configure.in: Fix typo for "-64" in 64bit as check.
14902 * configure: Rebuilt.
14904 1999-12-10 Jakub Jelinek <jakub@redhat.com>
14906 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
14909 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14911 * c-parse.in (string): With -Wtraditional, warn if ANSI string
14912 concatenation is utilized.
14914 * invoke.texi (-Wtraditional): Document it.
14916 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14918 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
14919 Cast a ptrdiff_t to long and pass it to printf with %ld.
14921 1999-12-10 Geoff Keating <geoffk@cygnus.com>
14923 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
14924 68881, we have no 68881 registers at all.
14925 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
14926 value in a 68881 register if it is available.
14928 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
14930 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
14931 for long long multiply-accumulate.
14933 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14935 * loop.c (insert_loop_mem): Undo last change.
14937 1999-12-10 David S. Miller <davem@redhat.com>
14939 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
14941 * config/sparc/sparc-protos.h: Add them.
14942 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
14943 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
14944 constraints which use those helpers.
14945 (EXTRA_CONSTRAINT): Use this new macro.
14946 * md.texi: Update sparc target constraints documentation.
14947 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
14948 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
14949 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
14950 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
14951 (movsf high/lo_sum split): Rework for new patterns.
14952 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
14954 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
14956 * c-common.c (c_common_nodes_and_builtins):
14957 Create __builtin_ptrdiff_t and __builtin_size_t.
14959 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
14961 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
14963 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14965 * regclass.c (globalize_reg): Re-instate test that allows
14966 fixed registers to be declared as a variable even after functions
14969 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14971 * i386.md (cpu attribute): Add "athlon".
14972 (athlon_decode): New attribute.
14973 (Athlon scheduling units definitions): New.
14974 (fcmp and shld patterns): Set athlon_decode to "vector".
14975 * i386.c (athlon_cost): New.
14977 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
14978 x86_use_sahf): Set for Athlon.
14979 (x86_use_fiop): Unset for Athlon.
14980 (override_options): Define Athlon alignments and "athlon" name.
14981 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
14982 * i386.h (TARGET_ATHLON): New.
14983 (enum processor_type): Add PROCESSOR_ATHLON.
14984 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
14986 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
14988 1999-12-09 Andreas Jaeger <aj@suse.de>
14990 * loop.c (record_biv): Declare parameter as int.
14992 * config/i386/i386-protos.h: Declare long_memory_operand.
14994 1999-12-09 Mark Mitchell <mark@codesourcery.com>
14996 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
14997 EXPR_WITH_FILE_LOCATION.
14999 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15001 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15004 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15006 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15009 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15011 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15012 default on linux64 again.
15013 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15014 models for multilibing.
15015 * genmultilib: Accept | as alternative separator within a set in
15018 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15020 * calls.c (precompute_arguments): Make sure initial_value contains
15021 value pseudo which CSE expects.
15022 * cse.c (struct set): New entry orig_src.
15023 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15026 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15028 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15030 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15032 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15034 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15036 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15037 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15039 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15042 * longlong.h: Merge in changes from glibc.
15043 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15044 -mno-app-regs libgcc can be compiled.
15045 * libgcc2.c: Add defines so that the updated longlong.h
15046 can be used in libgcc2.a. Also, make sure on most architectures
15047 (at least on all which have optimized code in longlong.h defined
15048 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15050 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15052 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15053 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15054 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15056 * configure: Rebuilt.
15058 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15060 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15061 outputs require a register.
15063 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15065 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15066 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15067 functions like dptoul will be resolved.
15068 (libgcc2.a): Make sure that the object files from DPBIT are named
15069 differently (prefix `_dp') from those that would be coming from
15072 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15074 * configure.in: When target is sparc* and tm_file contains 64,
15075 test for 64bit support in assembler. If not supported, remove
15076 sparc/t-sol2-64 from target-dependent Makefile fragments.
15077 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15078 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15079 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15080 * acconfig.h (AS_SPARC64_FLAG): Added.
15081 * configure, config.in: Rebuilt.
15082 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15083 support. Use AS_SPARC64_FLAG.
15085 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15087 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15088 suitable for holding OFmode values so that gcc works with complex
15090 (hard_64bit_mode_classes): Likewise.
15092 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15093 so that it is actually matched.
15094 (sethi_di_medlow): Likewise.
15096 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15097 as legitimate constant if -mvis.
15098 * config/sparc/sparc.md (movtf): Likewise.
15099 (clear_sf): Use const_double_operand.
15100 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15102 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15103 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15104 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15105 routines, _Qp_* cannot be handled like that now.
15106 (INIT_TARGET_OPTABS): Likewise.
15107 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15108 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15109 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15110 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15111 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15112 divtf3, sqrttf3): New expanders.
15113 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15114 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15115 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15118 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15119 * configure: Rebuilt.
15120 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15121 -mcpu is given and we're doing 64bit compiles.
15123 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15125 * loop.h (struct induction): Add multi_insn_incr.
15126 * loop.c (basic_induction_var): New multi_insn_incr argument.
15127 Set it if we search back through previous insns for the biv.
15128 (record_biv): New multi_insn_incr argument; fill in struct induction.
15129 (strength_reduce): Discard an iv with multiple bivs, any of
15130 which require multiple insns to increment.
15132 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15134 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15137 1999-12-06 David S. Miller <davem@redhat.com>
15139 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15140 PROMOTE_FUNCTION_RETURN.
15142 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15144 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15145 and handle REG_UNUSED note on insn.
15147 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15148 inner_mask instead of mask.
15150 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15152 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15153 zero if there was an error.
15155 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15157 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15160 * longlong.h: Fix clobbers in SPARC asm statements.
15162 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15163 valid sethi operations when TARGET_ARCH64.
15165 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15166 always use move_by_pieces to avoid infinite recursion.
15167 (restore_fixed_argument_area): Likewise.
15169 * combine.c (check_promoted_subreg, record_promoted_value): New
15171 (combine_instructions): Use them to retain nonzero and sign bit
15172 information after SUBREGs are eliminated by optimizations in
15173 this pass if PROMOTE_FUNCTION_RETURN.
15175 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15176 .register declaration. Don't use variables with __ prefixes.
15178 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15180 * fold-const.c (optimize_bit_field_compare): Only use one mode
15181 for both RHS and LHS in non-constant case.
15183 1999-12-06 Nathan Sidwell <nathan@acm.org>
15185 * frame.c (start_fde_sort): Only allocate erratic array, if
15186 linear one was allocated. Return allocated flag.
15187 (fde_insert): Only insert, if there's a valid array.
15188 (fde_end_sort): Split, sort and merge if linear and erratic
15189 arrays exist, else just sort linear one.
15190 (search_fdes): New function. Linear search through original fde
15192 (frame_init): Permit multiple initializations. Cope with
15194 (find_fde): Fallback on linear search, if failed to sort array.
15195 (__deregister_frame_info): Only free sorted array, if we
15198 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15200 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15202 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15204 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15206 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15208 * tree.h (special_function_p): Declare.
15209 * calls.c (special_function_p): Make it global. Don't take `name'
15210 as a parameter. Fix typo in 1999-11-28 change.
15211 (expand_cal): Adjust.
15213 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15215 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15216 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15217 EXPR_WFL_FILENAME_NODE.
15218 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15220 * print-tree.c (print_note): Print TREE_PRIVATE and
15223 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15224 the original die cannot be found.
15226 * varray.h (varray_head_tag): Add elements_used.
15227 (VARRAY_PUSH): New macro.
15228 (VARRAY_POP): Likewise.
15229 (VARRAY_TOP): Likewise.
15230 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15232 * varray.c (varray_init): Initialize elements_used.
15233 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15234 (INTEGRATE_H): New variable.
15235 (integrate.o): Depend on INTEGRATE_H.
15236 (unroll.o): Likewise.
15238 * function.h (insert_block_after_note): Declare.
15239 * function.c (insert_block_after_note): Split out from ...
15240 (retrofit_block): ... here.
15242 * stmt.c (expand_fixup): Fix typo in comment.
15244 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15246 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15247 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15248 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15249 (regmove_optimize, fixup_match_1): Likewise.
15251 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15253 * flow.c (flow_loops_dump): Add missing argument when calling
15254 flow_loop_nested_p.
15256 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15257 Greg McGary <gkm@gnu.org>
15259 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15260 (init_attributes): Add A_NO_LIMIT_STACK.
15261 (decl_attributes): Handle A_NO_LIMIT_STACK.
15262 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15263 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15264 Handle stack bounds checking.
15265 * flags.h (flag_stack_check): Use the word 'probe' rather than
15266 'check', because the flag doesn't actually cause any checking to
15268 * function.c (expand_function_start): Set
15269 current_function_limit_stack.
15270 * function.h (struct function): Add limit_stack.
15271 (current_function_limit_stack): Define.
15272 * invoke.texi (Code Gen Options): Document new options.
15273 * rtl.h: Declare stack_limit_rtx.
15274 * toplev.c (stack_limit_rtx): New variable.
15275 (decode_f_option): Handle new options -fstack-limit-register=REG,
15276 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15277 (main): Add stack_limit_rtx as GC root.
15278 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15279 (struct tree_decl): New member no_limit_stack.
15281 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15283 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15284 (conditional_trap+1): Get new mnemonic correct.
15285 (conditional_trap+2): New pattern for DImode traps.
15287 * config/m68k/m68k.c (output_function_prologue): Handle
15289 * config/m68k/m68k.md (trap): New insn.
15290 (conditional_trap): New insn.
15291 * md.texi (Standard Names): Document `trap' and
15292 `conditional_trap'.
15293 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15294 so a cc0 setter doesn't get emitted at some random place in the
15297 * config/i960/i960.md (trap): New insn.
15298 (conditional_trap): New expander.
15299 (conditional_trap+1, conditional_trap+2): New insns for signed
15300 and unsigned cases.
15301 * config/i960/i960.c (i960_function_prologue): Use
15302 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15304 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15305 Geoffrey Keating <geoffk@cygnus.com>
15307 * flags.h (warn_padded, warn_packed): Add global var decls.
15308 * toplev.c (warn_padded, warn_packed): Add global var defns.
15309 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15310 * stor-layout.c (layout_record): Add local variable `type'
15311 to hold often-used TREE_TYPE (field). Add local variable
15312 `unpacked_align' to hold alignment that would be in force
15313 if no `packed' attribute were present. Warn if `packed' attribute
15314 is unnecessary, or even harmful. Warn when gcc inserts padding
15315 to satisfy alignment requirements of members. Use NULL_TREE
15316 when checking whether var_size is set.
15317 * invoke.texi: Document new flags.
15319 1999-12-03 Nathan Sidwell <nathan@acm.org>
15321 * frame.c (fde_split): Reimplement to avoid variable sized array.
15323 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15325 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15326 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15328 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15330 * invoke.texi: Document the mips option -mno-crt0
15332 1999-12-02 Mike Karr <mkarr@mathworks.com>
15334 * cccp.c (argdata): Added free_ptr member.
15335 (macroexpand): Initialize free_ptr of each argument. When an
15336 argument's buffers are freed, if the argument's free_ptr corresponds
15337 to a buffer on the input stack, then return the free_ptr to that stack
15338 frame, otherwise, free it.
15339 (macarg): If an argument begins and ends on the same input stack level,
15340 then transfer the free_ptr of that buffer to the argument in case
15341 the stack is popped during the processing of a subsequent argument.
15343 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15345 * loop.c (note_reg_stored): New function.
15346 (struct note_reg_stored_arg): New structure.
15347 (try_copy_prop): Change to be more conservative; only replace within
15348 one extended basic block and stop replacing if a store to the
15349 replacement reg is seen.
15351 1999-12-02 Nick Clifton <nickc@cygnus.com>
15353 * config/fp-bit.c: Initialise all fields of the NAN
15356 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15359 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15361 * i386.md (extend?f?f2): Force the input into a register, not
15364 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15366 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15368 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15369 alternative because setting up 64bit constant is usually costly,
15370 especially when reload is in progress or completed.
15371 (movdf_const_intreg_sp64): Likewise.
15372 (movdf_const_intreg split): Fix building up constants when
15373 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15375 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15377 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15378 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15381 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15382 (asm_file_start): Emit .am33 into assembly file when compiling for
15384 (print_operand_address): Handle POST_INC addresses.
15385 (can_use_return_insn, initial_offset): Check AM33 registers too.
15386 (expand_prologue): Check & save AM33 registers too.
15387 (expand_epilogue): Similarly.
15388 (secondary_reload_class): Handle AM33 specific secondary reloads.
15389 (output_tst): Emit efficient code for the AM33 too.
15390 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15391 (TARGET_SWITCHES): Add -mam33 switch.
15392 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15393 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15394 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15395 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15396 (enum reg_class, REG_CLASS_NAMES): Likewise.
15397 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15398 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15399 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15400 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15401 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15402 (HAVE_POST_INCREMENT): Define.
15403 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15404 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15405 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15406 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15407 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15408 (zero_extend to SI from QI/HI): Likewise.
15409 (sign_extend to SI from QI/HI): Likewise.
15410 (mulsidi3, umulsidi3): New patterns for the AM33.
15411 (tstsi with zero extension from QI/HI): Add AM33 variants.
15412 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15413 (return_internal_regs, store_movm): Handle new AM33 registers.
15414 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15415 (LIBGCC, INSTALL_LIBGCC): Likewise.
15416 * invoke.texi: Document new flags.
15418 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15420 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15421 (addsi3_carry): Likewise.
15422 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15423 (sbbsi3_carry): Likewise.
15424 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15425 (mulhi3): Likewise.
15426 (test?i_1): Ensure that only one operand is memory.
15427 (conditional move patterns): likewise.
15428 (shift and rotate patterns): Rewrite to expander, add
15429 "binary_operator_ok" to the condition.
15431 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15432 * i386.h (procesor_costs): Add movzbl_load field.
15433 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15434 non-Q registers, accept DImode registers anywhere.
15436 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15437 * i386.c (*_cost): Set value for movxbl_load field.
15439 * (addsi): New add to lea splitter.
15440 (ashlsi): Likewise.
15441 (lea to add/shift peep2): New.
15443 1999-12-01 Mark Salter <msalter@cygnus.com>
15445 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15446 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15447 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15449 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15451 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15452 * i386.md (movsi_xor): New.
15454 (movsi_1, movhi_1, movqi_1): Remove.
15455 (movsi_2): Rename to movsi_1.
15456 (movhi_2): Rename to movhi_1.
15457 (movqi_2): Rename to movqi_1.
15458 (movdi_1): Remove; remove splitter.
15459 (movdi_2): Rename to movdi_1.
15460 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15461 (long move peep2): Do not create QI or HI mode mov0s
15462 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15464 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15467 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15468 (abs?f2_if): Likewise.
15470 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15472 * ggc.h (ggc_test_and_set_mark): New macro.
15473 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15474 (ggc_mark_tree): Likewise.
15475 (ggc_mark_rtvec): Likewise.
15476 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15478 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15480 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15482 (decl_scope_table): Just an array of trees now.
15483 (push_decl_scope): Simplify.
15484 (dwarf2out_init): Adjust.
15485 (local_scope_p): New fn.
15486 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15487 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15488 (gen_typedef_die): Likewise.
15489 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15490 (gen_inlined_subroutine_die): Likewise.
15491 (gen_abstract_function): Set current_function_decl temporarily.
15492 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15493 Handle block extern declarations. Don't call push/pop_decl_scope.
15494 (gen_decl_die): Fix logic for block externs.
15496 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15498 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15499 to the list of functions which have attribute malloc by default.
15501 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15503 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15504 integer constant does not match the traditional type, limit the
15505 warnings to cases where the base of the type is ten.
15507 * invoke.texi (-Wtraditional): Document it.
15509 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15511 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15512 * rs6000.md: Only access a CONST_INT with INTVAL
15514 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15516 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15517 (compute_nearerout): Likewise.
15518 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15519 size_t to unsigned long for formatting.
15521 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15523 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15524 Allow the user to override call-used/fixed state of %g2-5
15525 registers from the command line (with the exception of %g4 for
15527 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15528 there is a higher chance of having a leaf function.
15529 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15530 for ARCH64 which has %ccr register.
15531 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15533 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15534 insn accept into delay slot any insn which does not use %[ol]
15535 registers. Accept some LO_SUM and shift left by 1 for the normal
15537 (output_function_epilogue): Likewise.
15538 (epilogue_renumber): Added argument which inhibits any renumbering
15539 and just tests if the rtx does not use any %[ol] registers.
15540 (output_return): Reflect above change.
15542 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15544 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15545 aggregate passing for sizes <= 16 bytes.
15547 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15549 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15550 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15551 * reload.c (find_dummy_reload): Likewise.
15552 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15553 * reload1.c (reload_as_needed): Likewise.
15554 * stupid.c (stupid_find_reg): Likewise.
15555 * tm.texi (Obsolete Register Macros): Delete section.
15556 * gmicro.h: Remove all traces of the two macros.
15557 * i386.h: Likewise.
15558 * m88k.h: Likewise.
15559 * mips.h: Likewise.
15561 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15563 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15564 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15565 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15566 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15567 units for the sparclite86x chip.
15568 (flush): Revert October 14th change; add SImode specifically.
15569 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15570 * invoke.texi: Document it.
15572 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15574 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15575 psimode_truncation_operand.
15577 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15578 function. Return true if the operand is either a MEM valid
15579 for a PSImode address or not a MEM at all.
15581 * config/mn10200/mn10200.md (truncsipsi2): Use
15582 psimode_truncation_operand.
15584 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15586 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15587 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15588 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15589 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15590 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15591 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15592 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15593 * basic-block.h: Protect from multiple inclusion.
15594 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15595 (struct loops, struct loop): Define structures.
15596 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15597 * sbitmap.h: Protect from multiple inclusion.
15598 (sbitmap_a_subset_b_p): Add prototype.
15599 * Makefile.in (LOOP_H): New macro.
15600 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15602 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15604 * cppinit.c (CAT): The argument list of this macro may not contain
15607 1999-11-29 David S. Miller <davem@redhat.com>
15609 Move quantity tables and register equivalence chains into
15610 per-qty and per-register structure arrays respectively.
15611 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15612 qty_const_insn, qty_comparison_code, qty_comparison_const,
15613 qty_comparison_qty): Delete, replace with...
15614 (qty_table): this structure table.
15615 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15616 (reg_eqv_table): this structure table.
15617 (make_new_qty): Add argument MODE. Caller updated.
15618 Update to use qty_table and reg_eqv_table.
15619 (make_regs_eqv, delete_reg_equiv, insert_regs,
15620 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15621 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15622 cse_process_notes, cse_main, cse_basic_block): Likewise.
15624 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15626 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15627 operation if C is negative.
15628 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15629 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15630 law for some divisions if constant is negative and change other
15631 divisions to the opposite rounding.
15633 * expr.c (store_constructor_field): If bit position is not multiple
15634 of alignment of TARGET's mode, use BLKmode.
15636 * expr.c (expand_expr_unaligned): Add more code from full case
15637 that is needed when OP0 is in a register.
15639 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15641 * dwarfout.c (field_byte_offset): Size can be zero if there was
15644 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15646 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15647 (associate_trees): Delete unused var TEM.
15648 (extract_muldiv): Delete unused var CANCEL_P.
15650 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15651 (target_isinf, target_isnan, target_negative): Add return types to
15652 function definitions.
15654 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15656 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15657 * fixinc/hackshell.tpl: ditto
15658 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15659 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15661 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15663 * reload.c (push_reload): When looking for a register to put into
15664 reg_rtx, make sure all hard regs in a multi-reg register are in the
15665 right class and nonfixed.
15667 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15668 pending_read_insns, pending_write_insns, pending_read_mems,
15669 pending_write_mems, pending_list_length, last_pending_memory_flush,
15670 last_function_call, sched_before_next_call): Move static variables
15672 (bb_ prefixed versions): Replace with single array bb_deps.
15673 (struct deps): New structure.
15674 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15675 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15676 argument of type "struct deps *"; use that instead of global
15677 variables. All callers changed.
15678 (init_rgn_data_dependencies): Delete function.
15679 (init_rtx_vector): Delete function.
15680 (init_deps): New function.
15682 (free_pending_lists): Simplify, we always use the bb_deps array even
15683 if only one basic block.
15684 (compute_block_backward_dependences): Likewise.
15685 (schedule_region): Likewise.
15687 (propagate_deps): New function, broken out of
15688 compute_block_backward_dependences.
15689 (compute_block_backward_dependences): Use it.
15691 * alpha.md: Delete useless patterns that tried to work around
15692 register elimination problems.
15694 * unroll.c (loop_iterations): Don't abort if iteration variable
15697 From Joern Rennecke:
15698 * reload1.c (reloads_conflict): Reverse test comparing operand
15699 numbers when testing for conflict between output/outaddr reloads.
15701 1999-11-29 David S. Miller <davem@redhat.com>
15703 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15705 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15707 1999-11-28 Robert Lipe <robertl@cygnus.com>
15709 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15710 table from .fini into .dtor.
15712 1999-11-28 Anthony Green <green@cygnus.com>
15714 * tree.h (struct tree_decl): Add malloc_flag.
15715 (DECL_IS_MALLOC): Define.
15716 * c-common.c (attrs): Add A_MALLOC attribute.
15717 (init_attributes): Add this attribute to the table.
15718 (decl_attributes): Handle malloc attribute.
15719 * calls.c (special_function_p): Check for the malloc attribute.
15720 * extend.texi (Function Attributes): Document malloc attribute.
15722 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15724 * pa.md (reload shift-add patterns): Remove.
15726 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15728 * reorg.c (dbr_schedule) Print more statistics. Corrected
15729 problem when printing info when 3 delay slots are filled.
15731 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15733 * combine.c (setup_incoming_promotions): Pass an outgoing
15734 regno to FUNCTION_ARG_REGNO_P which it expects.
15736 1999-11-28 Andreas Jaeger <aj@suse.de>
15738 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15740 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15742 * cccp.c (do_include): Avoid initialization of automatic variable.
15744 * integrate.c (mark_stores): Function definition made void, to match
15745 previous declaration.
15746 * regclass.c (dump_regclass): Ditto.
15747 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15749 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15751 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15752 known to be multiple of divisor.
15754 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15756 * combine.c (try_combine): Add code to try to merge a set of a
15757 two-word pseudo to a constant with a setting of one of those words
15760 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15761 (split_tree): Completely rework to make more general.
15762 (make_range, fold): Call negate_expr.
15763 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15764 (fold, associate): Call new split_tree and associate_trees.
15765 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15767 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15769 * loop.c (try_copy_prop): Avoid GNU C extension.
15771 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15773 * except.c (init_eh_for_function): Still zero eh_return_context,
15774 eh_return_stack_adjust, and eh_return_handler.
15776 * except.h (eh_status): Adjust documentation for x_protect_list.
15777 (begin_protect_partials): New function.
15778 * except.c (enqueue_eh_entry): Fix formatting.
15779 (get_first_handler): Add consistency check.
15780 (add_partial_entry): Adjust usage of protect_list.
15781 (emit_cleanup_handler): Save and restore ehqueue.
15782 (expand_start_all_catch): Add comment.
15783 (begin_protect_partials): New function.
15784 (end_protect_partials): Adjust usage of protect_list.
15785 (init_eh_for_function): Use xcalloc.
15787 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15789 * c-common.c (check_format_info): Don't call a variadic function
15790 with a non-literal format string.
15792 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15794 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15795 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15798 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15801 * collect2.c (collect_wait): Likewise.
15803 * dbxout.c (dbxout_type): Likewise.
15805 * gcc.c (do_spec_1): Likewise.
15807 * genemit.c (gen_insn, gen_expand): Likewise.
15809 * genrecog.c (write_switch, write_subroutine): Likewise.
15811 * mips-tfile.c (catch_signal, botch): Likewise.
15813 * print-rtl.c (print_rtx): Likewise.
15815 * toplev.c (default_print_error_function, report_error_function,
15816 _fatal_insn): Likewise.
15818 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15820 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
15822 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15824 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
15825 operations when needed.
15826 * i386.md (fop_?f_comm): New.
15827 (fop_?f_1): Do not accept commutative operands.
15829 1999-11-25 Andreas Jaeger <aj@suse.de>
15831 * config/mips/mips.md (casesi_internal): Add missing brace.
15833 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
15835 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
15836 (splice_child_die): Handle moving a child DIE from the declaration
15837 DIE of a class to its specification.
15838 (gen_struct_or_union_type_die): Use 'complete' consistently.
15839 (gen_decl_die): Generate the virtual context DIE first.
15840 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
15842 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
15844 * config/mips/mips.md (call_value_multiple_interanal1): New.
15846 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
15848 * dwarf2out.c (free_AT, free_die): New fns.
15849 (remove_children): Call them.
15850 (output_line_info): Disable removal of duplicate notes.
15852 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
15853 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
15854 means pretend the type isn't defined.
15855 Don't defer emitting types.
15856 (gen_type_die_for_member): New fn.
15857 (gen_decl_die): Call it.
15858 (splice_child_die): New fn.
15859 (gen_member_die): Call it rather than generate duplicate dies.
15861 Defer emitting information for the abstract instance of an inline
15862 until we either inline it or emit an out-of-line copy.
15863 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
15864 from output_inline_function if DECL_ABSTRACT is also set.
15865 (block_ultimate_origin): Likewise.
15866 (gen_abstract_function): New fn.
15867 (gen_decl_die, gen_inlined_subroutine_die): Call it.
15868 (gen_subprogram_die): An abstract instance is not a declaration
15869 just because it doesn't match current_function_decl. Don't abort
15870 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
15871 has an abstract origin.
15872 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
15873 abstract instance here.
15875 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
15877 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
15878 where we need to reload fpul from a system register.
15880 1999-11-24 Andreas Jaeger <aj@suse.de>
15882 * config/mips/linux.h (CPP_PREDEFINES): Added.
15883 (LINK_SPEC): Remove -Y since this is only needed on sparc.
15885 1999-11-24 Andreas Jaeger <aj@suse.de>
15887 * config/mips/linux.h (TARGET_VERSION): Added.
15888 (HANDLE_SYSV_PRAGMA): Added.
15889 (DEFAULT_VTABLE_THUNKS): Added.
15891 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15893 * local-alloc.c (qty): New structure and static variable.
15894 (qty_phys_reg): Remove, all references changed to qty.
15895 (qty_n_refs): Likewise.
15896 (qty_min_class): Likewise.
15897 (qty_birth): Likewise.
15898 (qty_death): Likewise.
15899 (qty_size): Likewise.
15900 (qty_mode): Likewise.
15901 (qty_n_calls_crossed): Likewise.
15902 (qty_alternate_class): Likewise.
15903 (qty_changes_size): Likewise.
15904 (qty_first_reg): Likewise.
15905 (alloc_qty): Rename variable QTY to QTYNO.
15906 (finf_free_reg): Likewise.
15907 (local_alloc): Allocate qty, do not allocate the removed variables.
15909 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
15911 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
15912 when -membedded-pic is passed.
15914 * config/mips/mips.md (casesi): Handle 64-bit case too.
15915 (casesi_internal_di): New insn.
15917 * config/mips/mips.c (embedded_pic_offset): Always make the
15918 embedded-pic subtractions relative to the name of the current
15919 function by use of the magic string "..CURRENT_FUNCTION".
15920 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
15922 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
15924 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
15925 of (const_int 0), when what we really care about is
15926 whether it's a zero constant anyway.
15927 (div_trap_mips16): Likewise.
15929 1999-11-23 Mark Mitchell <mark@codesourcery.com>
15931 * loop.c (loop_optimize): Always find_loop_tree_blocks and
15932 unroll_block_trees when generating debuggable code.
15934 * tree.h (unsave_expr_1): New function.
15935 (lang_unsave): New variable.
15936 (get_callee_fndecl): New function.
15937 * tree.c (unsave_expr_now_r): New function.
15938 (lang_unsave): Define.
15939 (unsave_expr_1): Likewise.
15940 (unsave_expr_now_r): Split out from unsave_expr_now.
15941 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
15942 call unsave_expr_now_r.
15943 (get_callee_fndecl): Define.
15945 * Makefile.in (gencheck): Don't depend on lang_tree_files.
15946 (gencheck.o): Do depend on lang_tree_files.
15948 * integrate.h (copy_decl_for_inlining): New declaration.
15949 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
15950 (copy_decl_for_inlining): New function.
15951 (integrate_parm_decls): Use it.
15952 (integrate_decl_tree): Likewise.
15954 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
15956 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
15957 the second two from the first.
15958 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
15959 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
15960 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15962 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
15963 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15966 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
15968 * pa.md (call_internal_symref, call_value_internal_symref): No mode
15969 needed on the address operand.
15970 * pa.c (call_operand_address): Check for the correct mode.
15972 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
15974 * loop.c: Include "basic-block.h".
15975 (try_copy_prop, replace_loop_reg): New functions.
15976 (load_mems): Detect registers that just hold copies of the hoisted
15977 mem, and call try_copy_prop to eliminate them.
15978 * Makefile.in (loop.o): Update dependencies.
15980 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
15982 * Makefile.in (gencheck.o): Depend on gencheck.h.
15983 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
15984 (insn-peep.o): Depend on except.h and function.h.
15985 (insn-attrtab.o): Depend on RECOG_H.
15986 (insn-output.o): Depend on toplev.h and flags.h.
15987 (gengenrtl.o): Depend on real.h.
15988 (gen-protos.o): Depend on cpplib.h and cpphash.h.
15989 Unify all dependencies to be on RECOG_H rather than recog.h.
15991 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15993 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
15994 * configure.in: Try building a bi-arch 32/64-bit compiler on
15995 sparc-*-solaris2.7 and higher.
15996 * configure: Rebuild.
15998 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16000 * config/freebsd.h: New, FreeBSD architecture independent file.
16001 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16002 independent pieces.
16003 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16004 directly by i386/freebsd.h.
16005 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16006 independent configuration file.
16007 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16008 directly by i386/freebsd.h.
16009 * configure: Rebuilt.
16011 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16012 which is in the user's namespace.
16013 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16014 `i386' which is not in our namespace.
16016 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16018 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16020 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16022 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16023 (add_dwarf_attr, add_child_die): Just push onto the front.
16024 (reverse_die_lists): New fn.
16025 (add_sibling_attributes): Use it.
16026 (push_decl_scope): Reorganize.
16027 (add_name_and_src_coords_attributes): Don't set file and line for
16028 an artificial decl.
16029 (gen_subprogram_die): An artificial function doesn't need to match
16031 (gen_compile_unit_die): Return the generated die. Only add
16032 AT_comp_dir if the filename is relative.
16033 (remove_AT): Simplify loop. Also free string values.
16034 (output_die): A DIE ref can't be null.
16035 (output_value_format, value_format): Take a dw_attr_ref.
16036 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16037 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16038 AT_addr, AT_lbl): New fns.
16039 (various): Use them.
16040 (various): Constify.
16042 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16044 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16045 take SUBREG_WORD into account.
16046 (if_then_else_cond): Likewise.
16048 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16050 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16051 clause from BSD license, pursuant with
16053 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16055 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16057 * loop.c (load_mems): Reformat slightly.
16058 * basic-block.h (regset_head): New typedef.
16059 (INIT_REG_SET): New macro.
16061 1999-11-22 Bruce Korb <autogen@linuxbox.com
16063 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16064 (mips-dec-bsd*): non-functional code
16065 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16067 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16068 added three replacement fixes
16069 (no_double_slash): removed comments that are not (any longer) pertinent
16070 (bad_lval): this fix currently runs against many files.
16071 The comment seems to indicate that we should select for files
16072 containing 'pragma extern_prefix'.
16074 * fixinc/fixinc.x86-linux-gnu: deleted
16075 * fixinc/inclhack.sh: regen
16076 * fixinc/fixincl.x: regen
16077 * fixinc/fixincl.sh: regen
16079 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16081 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16082 its code is INSN and it has no notes.
16084 1999-11-22 Andrew Haley <aph@cygnus.com>
16086 * varasm.c (function_defined): Remove.
16087 (make_function_rtl): Don't set function_defined.
16088 (make_decl_rtl): Remove global register warning.
16089 * regclass.c (no_global_reg_vars): New variable.
16090 (globalize_reg): Warn if function has already been defined.
16091 (regclass_init): Set no_global_reg_vars.
16093 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16095 * regclass.c (reg_pref): New structure and static variable
16096 (prefclass): Delete.
16097 (altclass): Delete.
16098 (all uses of prefclass and altclass): Use reg_pref instead.
16100 1999-11-21 Nick Clifton <nickc@cygnus.com>
16102 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16104 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16105 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16106 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16108 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16110 * varasm.c (output_constructor): Solve problem with long long
16111 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16113 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16115 * global.c (allocno): New structure and static variable.
16116 (allocno_reg): Remove, all references replaced by allocno.
16117 (allocno_size): Likewise.
16118 (hard_reg_conflicts): Likewise.
16119 (hard_reg_preferences): Likewise.
16120 (hard_reg_copy_preferences): Likewise.
16121 (hard_reg_full_preferences): Likewise.
16122 (regs_someone_prefers): Likewise.
16123 (allocno_calls_crossed): Likewise.
16124 (allocno_n_refs): Likewise.
16125 (allocno_live_length): Likewise.
16126 (find_reg): Rename ALLOCNO to NUM.
16128 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16129 references updated.
16130 (may_move_out_cost): New variable.
16131 (init_reg_sets_1): Initialize may_move_out_cost.
16132 (record_reg_classes): Use may_move_out_cost.
16134 * regclass.c (dump_regclass): New function.
16135 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16136 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16137 pass rtl_dump_file to regclass.
16138 * rtl.h (regclass): Update prototype.
16140 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16142 * i386.md (neg, not and abs patterns): Revmap to use
16143 ix86_expand_unary_operator and ix86_unary_operator_ok.
16144 (add?f and sub?f expanders): Force operand 1 to register.
16145 * i386.c (ix86_expand_unary_operator): Rewrite.
16146 (ix86_unary_operator_ok): Ensure that memory operands
16148 (ix86_binary_operator_ok): Do not allow operand 1 to
16149 come into memory and operand 0 not.
16150 (ix86_expand_binary_operator): Ensure that
16151 src1 is not non-matching memory.
16153 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16154 to support integer registers and memory.
16155 (abss?2_integer): Likewise.
16157 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16158 (REG_CLASS_NAMES): Likewise.
16159 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16161 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16162 (movsf): Likewise; unify 4th and 5th alternative.
16163 (pushdf): Likewise.
16164 (movdf_1): Likewise; rename to movdf_integer.
16165 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16166 remove redundant splitter.
16167 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16168 (movdf_nointeger): New.
16169 (movxf_nointeger): New.
16170 (pushxf_nointeger): New.
16172 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16173 memory operands in patterns.
16174 (fop*): Refuse two memory operands.
16176 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16177 on !TARGET_USE_CLTD CPUs.
16179 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16181 * extend.texi: Document C++ restricted pointers and references.
16183 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16185 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16186 (invalidate_skipped_set): Call it unconditionally.
16187 (cse_set_around_loop): Likewise.
16189 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16191 * rtl.texi (mem): Add documentation for alias-set argument
16194 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16196 * i386.h (struct_processor_costs): New fields int_load, int_store,
16197 fp_move, fp_load and fp_store
16198 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16200 (MEMORY_MOVE_COST): New macro.
16201 * i386.c (386_cost): Define new fields.
16202 (i486_cost): Likewise.
16203 (pentium_cost): Likewise.
16204 (pentiumpro_cost): Likewise.
16205 (k6_cost): Likewise.
16207 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16208 Geoffrey Keating <geoffk@cygnus.com>
16210 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16212 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16215 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16216 (TARGET_STRICT_ALIGNMENT): New macro.
16217 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16218 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16219 * invoke.texi (M680x0 Options): Document -mstrict-align.
16221 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16222 Richard Henderson <rth@cygnus.com>
16224 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16225 (ix86_split_long_move): Declare.
16226 * i386.c (split_xf, ix86_split_movdi): Remove.
16227 (ix86_split_to_parts, ix86_split_long_move): New.
16228 * i386.md (dimode move splitters): Use ix86_split_long_move.
16229 (dfmode move splitters): Likewise.
16230 (xfmode move splitters): Likewise.
16231 (movsf_1): Allow F->r.
16232 (movdf_1, movxf_1): Allow F->ro.
16234 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16236 * except.h (struct eh_entry): Add goto_entry_p.
16237 (eh_region_from_symbol): Remove prototype.
16238 * except.c (find_func_region_from_symbol): New function.
16239 (emit_cleanup_handler): Likewise.
16240 (eh_region_from_symbol): Make it static.
16241 (add_new_handler): Verify the argument.
16242 (find_func_region): Update comment.
16243 (expand_eh_region_end): Expand handlers here, rater than waiting
16244 until expand_leftover_cleanups or start_all_catch.
16245 (expand_leftover_cleanups): Don't expand here.
16246 (expand_start_all_catch): Or here.
16247 (expand_rethrow): Check the return value from find_func_region.
16248 * function.c (expand_function_end): Emit the catch_clauses.
16250 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16252 * integrate.c (expand_inline_function): Add necessary check for NULL.
16254 1999-11-18 Nick Clifton <nickc@cygnus.com>
16256 * toplev.c (main): Correctly detect an unrecognised option.
16258 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16259 a -f option if it has not been recognised.
16261 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16263 * basic-block.h (update_life_extent): Remove trailing comma on
16264 enumeration type list.
16266 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16268 * varasm.c (output_constructor) Solved problem with long long
16269 bitfields. Corrected calculating this_time and shift. Also
16270 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16272 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16274 * flow.c (split_edge): Take looping structure into account when
16275 determining where to put the new block note.
16277 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16279 * Makefile.in (ggc-none.o): Provide host specific version if
16282 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16284 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16285 containing subregs too.
16287 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16289 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16290 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16291 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16292 (text_section): Add switches -munint-const-in-rodata and
16293 -mno-uninit-const-in-rodata.
16294 (ASM_OUTPUT_COMMON): Remove.
16295 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16296 const objects should be placed in read-only data. Otherwise declare
16299 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16301 * jump.c (jump_optimize_1): Revert last change.
16303 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16305 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16306 test if optimizing for size.
16308 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16310 * Makefile.in (toplev.o): Depend on except.h.
16311 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16313 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16315 * i386.md (divmodsi4): Rewrite to expander.
16316 (*divmodsi4_nocltd): New.
16317 (*divmodsi4_cltd): New.
16318 (divmodsi4 splitter): Handle the case when input comes in edx.
16319 (udivmodhi4): Do not use constraints in exander.
16320 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16322 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16324 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16325 for the common case.
16327 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16329 * explow.c (hard_function_value): Add outgoing argument.
16330 * expr.h (hard_function_value): Declare it.
16331 * calls.c (expand_call, emit_library_call_value): Update callers.
16332 * function.c (aggregate_value_p): Ditto.
16333 (diddle_return_value): Must look at the outgoing registers
16334 on archs with register windows.
16336 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16338 * alpha.c (alpha_build_va_list): Use make_lang_type and
16339 initialize TYPE_NAME for the va_list record.
16341 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16343 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16345 * ggc.h (struct ggc_statistics): Rearrange elements for better
16346 packing on 64-bit hosts.
16347 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16348 (compute_nearerout): Likewise.
16350 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16352 * config/rs6000/rs6000.c (first_reg_to_save): Save
16353 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16355 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16357 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16358 notion of nesting to find the DIE for a type or function.
16359 DIEs can go in limbo even if we got a context_die.
16360 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16361 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16363 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16364 (gen_type_die): Writing out the context doesn't cause member class
16365 template instantiations to be written out as well.
16367 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16369 * rs6000.h (ASM_OUTPUT_DEF): New.
16370 Based on proposed addition from David Edelsohn.
16372 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16373 Bruce Korb <autogen@linuxbox.com>
16375 * fixinc/inclhack.def
16376 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16377 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16379 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16380 (svr4_endian): enabled with SVR5
16381 (svr4_mkdev): simplified syntax and enabled with SVR5
16383 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16385 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16386 * configure: Rebuilt.
16387 * config/t-freebsd-thread: New file.
16389 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16391 * i386.c (ix86_decompose_address): Verify the base is a REG
16392 before trying to examine its register number.
16394 * basic-block.h: Remove all #defines and prototypes related to
16396 (free_bb_mem, compute_preds_succs): Remove prototype.
16397 * rtl.h (free_bb_mem): Remove prototype.
16398 * flow.c (alloc_int_list_node); Remove function.
16399 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16400 (compute_preds_succs, free_bb_mem): Likewise.
16401 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16402 * toplev.c (rest_of_compilation): Likewise.
16403 * haifa-sched.c (build_control_flow): Use flow generated edge
16404 list to build the haifa specific edge list.
16405 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16406 (schedule_insns): Do not build pred/succ lists anymore. Instead
16407 build the edge table.
16409 * basic-block.h (dump_bb_data): Remove declaration.
16410 * flow.c (dump_bb_data): Remove function.
16411 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16412 (sbitmap_union_of_predsucc): Likewise.
16414 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16415 argument. All callers changed.
16416 (delete_null_pointer_checks_1): No longer need to compute the
16419 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16420 All callers changed.
16421 (pre_expr_reaches_here_p_work): Likewise.
16422 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16423 * lcm.c (compute_laterin): Fix initialization of LATER.
16424 (compute_nearerout): Similarly for NEARER.
16426 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16428 * cse.c (set_nonvarying_address_components): Delete unused function.
16429 (refers_to_p): Likewise.
16431 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16433 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16436 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16438 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16439 definition in do while (0).
16441 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16443 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16445 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16447 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16449 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16451 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16452 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16453 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16454 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16456 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16457 saved on the stack. Output more accurate stack frame statistics
16458 into assembler file.
16460 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16462 * genextract.c (record_insn_name): New function.
16463 (get_insn_name): No longer a stub.
16464 (main): Call record_insn_name for each insn. After each label
16465 written, print the insn name in a comment.
16467 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16469 * output.h (const_section, init_section, fini_section): Add
16472 * alpha/elf.h (const_section): Delete declaration.
16474 * svr4.h (const_section): Likewise.
16476 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16478 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16479 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16480 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16482 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16483 variable-sized array bounds.
16485 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16487 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16490 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16492 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16493 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16495 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16497 * cse.c (hash_arg_in_struct): Delete.
16498 (struct table_elt): Delete elt in_struct.
16499 (struct set): Delete elt src_in_struct.
16500 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16501 the corresponding in_struct elts.
16502 (canon_hash): Likewise.
16503 (safe_hash): Likewise.
16504 (find_best_addr): Likewise.
16505 (record_jump_cond): Likewise.
16506 (cse_insn): Likewise.
16508 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16510 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16512 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16515 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16517 * function.c (diddle_return_value): Put back check that the DECL_RTL
16518 for the function is a register.
16520 * function.c (diddle_return_value): Use hard_function_value to
16521 get an rtx suitable for use in the USE/CLOBBER insn.
16523 * global.c (global_conflicts): Update comments.
16524 (record_conflicts): No need to record conflicts between pseudos here.
16526 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16528 * fixinc/fixincl.c: Added verbose levels for status messages
16530 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16532 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16533 operand as argument to expand_and or expand_binop.
16535 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16537 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16538 gcc_add_string_root.
16540 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16542 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16544 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16546 * flow.c (compute_flow_dominators): Initially put all blocks on
16548 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16549 * gcse.c (compute_cprop_avinout): Remove.
16550 (compute_cprop_data): Use compute_available.
16551 (delete_null_pointer_checks_1): Use compute_available.
16553 * basic-block.h (compute_available): Returns a void now.
16554 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16555 to return a value anymore.
16556 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16557 worklists. Fix boundary cases. Compute maximal solutions.
16558 (compute_laterin, compute_nearerout): Similarly.
16560 * dwarf2out.c (add_AT_location_description): Allow
16561 (mem (plus (pseudo) (...)) too.
16563 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16565 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16567 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16568 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16570 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16572 * gansidecl.h: Likewise.
16578 * toplev.h: Likewise.
16580 * tree.c: Likewise.
16582 * tree.h: Likewise.
16584 * varray.c: Likewise.
16586 * varray.h: Likewise.
16588 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16590 * gcov.c (struct arcdata): Add hits and total, remove prob.
16591 (output_branch_counts): New.
16592 (process_args): Set output_branch_counts if -c.
16593 (calculate_branch_probs): Store hits and total instead of
16595 (output_data): Emit counts if output_branch_counts is true.
16596 * gcov.texi (Invoking Gcov): Document -c switch..
16598 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16600 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16601 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16603 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16605 * invoke.texi (C Dialect Options): Add missing builtins from
16606 c-common.c to list.
16607 * extend.texi (Other Builtins): Copy to this list.
16609 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16611 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16612 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16613 redundant bitmap.h.
16615 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16617 * flow.c (compute_flow_dominators): No longer treat basic block 0
16618 or (n_basic_blocks - 1) specially. Clear the AUX field before
16619 starting computation of doms/pdoms. Fix initial state for pdoms.
16621 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16623 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16624 match rtl.o's: added ggc.h and toplev.h
16625 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16626 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16627 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16629 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16631 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16632 from HAVE_DOS_BASED_FILESYSTEM.
16633 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16634 HAVE_DOS_BASED_FILESYSTEM.
16636 (split_directories): Only special-case DOS file names if
16637 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16638 instead of explicit tests. Conditionalize on !VMS.
16639 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16640 tests. Conditionalize on !VMS.
16641 (process_command): Only use make_relative_prefix if !VMS.
16642 (free_split_directories): Conditionalize on !VMS.
16643 (DIR_UP): Conditionalize on !VMS.
16645 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16647 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16649 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16651 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16654 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16656 * invoke.texi (Environment Variables): Document relative path
16658 * gcc.c (DIR_UP): If not defined, define as "..".
16659 (standard_bindir_prefix): New static, holds target location to
16661 (split_directories): New function to split a filename into
16662 component directories.
16663 (free_split_directories): New function, release memory allocated
16664 by split_directories.
16665 (make_relative_prefix): New function, make a relative pathname if
16666 the compiler is not in the expected location.
16667 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16668 can figure out an appropriate prefix from argv[0].
16669 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16670 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16671 STANDARD_BINDIR_PREFIX.
16673 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16675 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16677 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16678 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16679 c4x_secondary_memory_needed) Delete.
16680 (fp_zero_operand): Add mode argument.
16682 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16684 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16685 that is in reload_reg_used.
16687 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16689 * config/arm/arm-protos.h: New file: Prototypes for functions
16690 defined in arm.c and pe.c.
16691 * config/arm/arm.h: Fix compile time warnings.
16692 * config/arm/arm.c: Fix compile time warnings.
16693 * config/arm/pe.h: Fix compile time warnings.
16694 * config/arm/aout.h: Fix compile time warnings.
16696 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16698 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16701 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16702 Add support for subtargets.
16703 Add prototypes for new predicates.
16704 Add scheduling macros.
16706 * config/m32r/m32r.c: Fix compile time warnings.
16707 (int8_operand): New predicate function.
16708 (reg_or_cmp_int16_operand): New predicate function.
16709 (extend_operand): New predicate function.
16710 (m32r_adjust_code): New scheduling function.
16711 (m32r_adjust_priorty): New scheduling function.
16712 (m32r_sched_init): New scheduling function.
16713 (m32r_sched_reorder): New scheduling function.
16714 (m32r_sched_variable_issue): New scheduling function.
16715 (direct_return): New codegen function.
16716 (m32r_not_same_reg): New rtl testsing function.
16718 * config/m32r/m32r.md: Fix compile time warnings.
16719 Add support for pre decrement and post increment memory
16721 Add S<cc> patterns.
16724 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16726 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16727 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16728 (find_reg): Likewise.
16730 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16732 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16733 to avoid assembler errors.
16735 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16737 * config/v850/v850-protos.h: New file: Prototypes for functions
16739 * config/v850/v850.h: Move prototypes to v850-protos.h
16740 * config/v850/v850.c: Move prototypes to v850-protos.h
16741 * config/v850/v850.md: Fix compile time warnings.
16743 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16745 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16746 * config/fr30/fr30.c: Fix compile time warnings.
16747 * config/fr30/fr30.md: Fix compile time warnings.
16749 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16751 * tree.h (get_containing_scope): Declare it.
16752 * tree.c (get_containing_scope): New fucntion.
16753 (decl_function_context): Use it.
16754 * toplev.c (rest_of_compilation): Use get_containing_scope.
16756 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16758 * Makefile.in (rtl.o): Depend on toplev.h.
16760 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16762 * cse.c (delete_trivially_dead_insns): Replace alloca with
16764 * except.c (update_rethrow_references): Likewise.
16765 (init_eh_nesting_info): Likewise.
16766 * function.c (identify_blocks): Likewise.
16767 * gcse.c (dump_hash_table): Likewise.
16768 * graph.c (print_rtl_graph_with_bb): Likewise.
16769 * loop.c (combine_movables): Likewise.
16770 (move_movables): Likewise.
16771 (count_loop_regs_set): Likewise.
16772 (strength_reduce): Likewise.
16773 * profile.c (compute_branch_probabilities): New function, split
16775 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16776 * regclass.c (regclass): Likewise.
16777 * regmove.c (regmove_optimize): Likewise.
16778 * toplev.c (compile_file): Likewise.
16779 (main): Don't mess with the stack rlimit.
16781 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16783 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16784 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16786 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16788 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16790 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16792 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16793 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16796 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16798 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16800 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16802 * gcse.c (post_dominators): Kill.
16803 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16804 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16805 pass in a pdom array since we do not need pdoms.
16806 * haifa-sched.c (schedule_insns): Similarly.
16807 * flow.c (compute_dominators): Remove dead function.
16808 (compute_flow_dominators): Do not compute doms or pdoms if the
16809 caller does not request them. Split up loop to build doms and
16810 pdoms. Use a worklist to compute doms and pdoms.
16811 * basic-block.h (compute_dominators): Remove prototype.
16813 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
16815 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
16816 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
16817 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
16818 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
16819 (cant_move, fed_by_spec_load, is_load_insn): Remove.
16820 (schedule_region): Remove unused variable.
16821 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
16823 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
16825 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
16826 (update_equiv_regs): Likewise.
16827 (block_alloc): Likewise.
16828 * reg-stack.c (reg_to_stack): Likewise.
16829 (convert_regs_2): Likewise.
16830 * reload1.c (reload_as_needed): Likewise.
16832 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
16834 * Makefile.in (dbxout.o): Depend on ggc.h.
16835 (dwarf2out.o): Likewise.
16836 (xcoffout.o): Likewise.
16837 * dbxout.c: Include ggc.h.
16838 (dbxout_init): Register lastfile as a root.
16839 * dwarf2out.c: Include ggc.h.
16840 (dwarf2out_line): Register lastfile as a root.
16841 * xcoffout.c: Include ggc.h.
16842 (xcoffout_source_line): Register xcoff_lastfile as a root.
16844 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
16846 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
16848 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
16850 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
16852 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16854 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16856 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
16857 (EXECUTE_IF_CONFLICT): Likewise.
16858 (ALLOCNO_LIVE_P): Avoid signed division.
16859 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
16860 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
16861 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
16863 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
16865 * haifa-sched.c (schedule_block): Don't crash if there's no
16866 next insn for an interblock movement.
16867 (add_branch_dependences): Don't allow clobber insns to move either.
16869 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
16871 * i386.c (split_xf): New.
16872 * i386-protos.h: Declare it.
16873 * i386.md (movxf_1): Add general regs alternatives.
16874 (movxf_1+1): New splitter for same.
16876 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
16878 * function.c (purge_addressof_1): Add missing return values.
16880 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
16882 * function.c (is_addressof): New function. Returns true if
16883 the given piece of RTL is an ADDRESSOF.
16884 (purge_addressof_1): Make boolean. Return false if the
16885 ADDRESSOFs could not be purged.
16886 (purge_addressof): If ADDRESSOFs could not be purged from the
16887 notes attached to an insn, remove the offending note(s),
16888 unless they are attached to a libcall.
16890 1999-11-05 Andreas Jaeger <aj@suse.de>
16892 * genoutput.c (null_operand =): Initialize all fields.
16894 * errors.h: Add extern to prototypes.
16896 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
16898 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
16899 * configure: Rebuilt.
16901 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16903 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
16904 (mirror_conflicts): New function.
16905 (global_alloc): Call it.
16906 (expand_preferences): Remove redundant CONFLICTP test.
16907 (find_reg, dump_conflicts): Likewise.
16908 (prune_preferences): Process conflicts one word at a time.
16910 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
16912 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
16913 instead of an explicit loop.
16915 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
16917 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
16918 if REG_RETVAL check succeeds, then put classp in src_elt.
16920 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
16922 * function.c (pad_to_arg_alignment): Only update argument_pad
16923 if the argument's alignment is greater than STACK_BOUNDARY.
16925 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
16927 * bitmap.h (BITMAP_XFREE): New.
16928 * flow.c (life_analysis): Use it.
16929 (life_analysis_1): Free blocks.
16931 * combine.c (undo_commit): New.
16932 (try_combine): Use it. Don't zap undobuf.undos.
16933 (combine_instructions): Don't zap undobuf.undos; free the
16934 undobuf.frees list.
16936 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
16938 * stmt.c (cost_table_): New.
16939 (estimate_case_costs): Use it instead of xmalloc.
16941 * toplev.c (compile_file): Reuse dumpname memory instead
16944 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
16946 * reg-stack.c (convert_regs_1): Initialize target_stack->top
16947 after verifying an EH edge.
16949 * haifa-sched.c (init_rgn_data_dependences): Correctly
16950 size bb_pending_lists_length when zeroing.
16952 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
16954 * function.c (diddle_return_value): New.
16955 (expand_function_end): Use it.
16956 * stmt.c (expand_null_return): Likewise.
16957 (expand_value_return): Likewise.
16959 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
16961 * reload1.c (reload): Don't remove return value clobbers.
16963 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
16965 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
16967 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
16969 * cse.c (cse_main): Use xmalloc, not alloca.
16970 (cse_basic_block): Likewise.
16971 * local-alloc.c (local_alloc): Likewise.
16973 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
16974 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16976 * rtl.c: Include toplev.h.
16977 (fatal): Remove declaration.
16979 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
16981 * haifa-sched.c (schedule_block): Fix thinko.
16983 1999-11-03 James McKelvey <mckelvey@fafnir.com>
16985 * fixinc/fixincl.c(create_file): Allow for systems that do not have
16986 S_IR* defined values
16988 1999-11-03 Philippe De Muyter <phdm@macqel.be>
16990 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
16991 call `malloc' instead.
16993 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
16995 * flags.h (flag_renumber_insns): Declare.
16996 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
16998 * rtl.h (renumber_insns): Change prototype.
16999 * toplev.c (flag_renumber_insns): Define.
17000 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17002 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17004 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17005 and fpsqrtd. Use them and create fdiv function unit to more
17006 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17007 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17009 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17011 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17013 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17014 insn into ready list, do not use just a raw swap.
17016 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17018 * rtl.h (renumber_insns): New function.
17019 (remove_unnecessary_notes): Likewise.
17020 * emit-rtl.c (renumber_insns): Define.
17021 (remove_unncessary_notes): Likewise.
17022 * toplev.c (rest_of_compilation): Remove dead code.
17023 Use renumber_insns and remove_unncessary_notes.
17025 * gcse.c (struct null_pointer_info): New type.
17026 (get_bitmap_width): New function.
17027 (current_block): Remove.
17028 (nonnull_local): Likewise.
17029 (nonnull_killed): Likewise.
17030 (invalidate_nonnull_info): Take a null_pointer_info as input.
17031 (delete_null_pointer_checks_1): New function.
17032 (delete_null_pointer_checks): Use it.
17034 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17035 (split_edges): Likewise.
17036 (schedule_block): Likewise.
17037 (compute_block_backward_dependencies): Likewise.
17038 (schedule_region): Likewise.
17039 (schedule_insns): Likewise.
17041 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17043 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17044 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17045 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17046 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17047 * jump.c (delete_unreferenced_labels): Don't delete if
17048 LABEL_ALTERNATE_NAME is set.
17049 * print-rtl.c (print_rtx): Dump alternate name.
17050 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17051 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17052 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17053 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17055 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17057 * fix-header.c (recognized_extern, recognized_function): Constify
17060 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17061 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17062 (compute_available): Remove unused variable `last'.
17063 (compute_nearerout): Remove unused variable `temp_bitmap'.
17064 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17065 Remove unused variable `x'.
17067 * scan.h (recognized_function, recognized_extern): Constify a
17070 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17072 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17074 * varasm.c (decode_rtx_const): Use XSTR to access the string
17077 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17079 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17081 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17083 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17085 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17087 * pa.c (ireg_operand): New function.
17088 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17089 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17090 Fix out of date comment.
17092 * pa.md (negdi2): Turn into expander + anonymous pattern.
17094 * reload.c (find_reloads): Fix typos in recent change.
17096 * dwarf2out.c: Do not include ctype.h.
17098 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17100 * regclass.c (record_reg_classes): Always use may_move_cost when
17101 seeing how operand fits with various register classes.
17103 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17105 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17106 * toplev.c: Revert Nov 1 13:22 change.
17108 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17110 * config/pa/pa.md (height reduction patterns): Add checks for
17111 overlapping operands to avoid semantic-destroying splits for
17112 height reduction patterns.
17114 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17116 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17117 have been an hyphen, fixed.
17118 * configure: Rebuilt.
17120 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17122 * config/arm/tpe.h: Add prototypes for exported functions.
17123 * config/arm/pe.c: Fix compile time warnings.
17124 * config/arm/semi.h: Fix compile time warnings.
17125 * config/arm/arm.c: Fix compile time warnings.
17126 * config/arm/arm.h: Fix compile time warnings.
17127 * config/arm/arm.md: Fix compile time warnings.
17128 * config/arm/thumb.c: Fix compile time warnings.
17129 * config/arm/thumb.h: Fix compile time warnings.
17130 * config/arm/thumb.md: Fix compile time warnings.
17132 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17134 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17137 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17138 completely unrolled.
17140 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17142 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17144 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17146 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17147 * rtl.h (rtx_equal_p): Move prototype.
17148 * rtl.c (rtx_equal_function_value_matters): Move from
17150 (rtx_equal_p): Likewise.
17151 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17152 (rtx_equal_p): Likewise.
17154 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17156 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17157 ! HAS_INIT_SECTION.
17159 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17161 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17163 * pa.h (ADDR_VEC_ALIGN): Define.
17165 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17166 notes when presented with "if (foo) break; end_of_loop" and
17167 the break sequence gets moved out of the loop.
17169 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17170 Remove explicit zero initializations of entries within MAP.
17172 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17174 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17176 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17178 * bitmap.h (BITMAP_XMALLOC): New macro.
17179 * flow.c (CLEAN_ALLOCA): Remove.
17180 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17181 (life_analysis): Likewise.
17182 (update_life_info): Don't use CLEAN_ALLOCA.
17183 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17184 (calculate_global_regs_live): Likewise.
17185 (print_rtl_with_bb): Likewise.
17186 (verify_flow_info): Likewise.
17187 * global.c (global_alloc): Likewise.
17188 (global_conflicts): Likewise.
17189 * integrate.c (save_for_inline_nocopy): Likewise.
17190 (expand_inline_function): Likewise.
17191 * jump.c (jump_optimize_1): Likewise.
17192 (duplicate_loop_exit_test): Likewise.
17193 (thread_jumps): Likewise.
17194 * loop.c (loop_optimize): Likewise.
17195 (combine_givs): Likewise.
17196 (recombine_givs): Likewise.
17197 * reorg.c (dbr_schedule): Likewise.
17198 * unroll.c (unroll_loop): Likewise.
17200 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17202 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17204 * toplev.c (rest_of_compilation): Don't optimize the CFG
17205 when rebuilding, just before dbr.
17207 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17209 * output.h (assemble_end_function, assemble_destructor,
17210 assemble_constructor, assemble_gc_entry, assemble_global,
17211 assemble_label, output_constant_pool) Constify a char*.
17213 * varasm.c (assemble_destructor, assemble_constructor,
17214 assemble_gc_entry, assemble_end_function, assemble_global,
17215 assemble_label, output_constant_pool): Likewise.
17217 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17219 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17220 explaining what is goin on in this function.
17222 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17224 * regclass.c (record_reg_classes): In matching case, recompute
17225 costs since the direction of movement is different.
17227 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17229 * resource.c (mark_target_live_regs): For unconditional branches,
17230 the resources found at the branch target should be added to the
17231 resources found so far, not intersected.
17233 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17235 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17237 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17238 (sys/mman.h): Include this file only if #HAVE_MMAP.
17239 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17240 with automatically concatenated ANSI strings.
17242 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17244 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17245 (DIV_ROUND_UP): Robustify.
17246 (ggc_recalculate_in_use_p): New function.
17247 (release_pages): Don't inline it.
17248 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17250 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17251 (clear_marks): Always save in_use_p.
17252 (sweep_pages): Use ggc_recalculate_in_use_p.
17253 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17254 Release pages before counting statistics.
17256 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17258 * toplev.c (rest_of_compilation): Fix thinko in this change:
17260 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17262 (rest_of_compilation): If inside an inlined external function,
17263 pretend we are just being declared.
17265 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17267 * flow.c (calculate_global_regs_live): Fix thinko.
17269 * integrate.c (expand_inline_function): Fix bugs in previous
17270 change from Oct 28, 1999.
17272 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17274 * stmt.c (expand_value_return): Fix typo in this change:
17276 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17277 (expand_value_return): Correctly convert VAL when promoting function
17278 return; support RETURN_REG being a PARALLEL.
17280 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17282 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17284 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17286 * hard-reg-set.h (reg_names): Constify a char*.
17288 * regclass.c (reg_names): Likewise.
17290 * regs.h (reg_names): Likewise
17292 * a29k/a29k.c (reg_names): Delete declaration.
17294 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17296 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17297 arc_output_function_epilogue): Likewise.
17299 * elxsi/elxsi.c (reg_names): Likewise.
17301 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17303 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17306 * m88k/m88k.c (output_function_profiler): Likewise.
17308 * sparc/sparc.c (sparc_flat_output_function_prologue,
17309 sparc_flat_output_function_epilogue): Likewise.
17311 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17313 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17314 warning from -Wuninitialized and put it under -W.
17315 * function.c (uninitialized_vars_warning): Warn only when the
17316 corresponding flag is set.
17318 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17320 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17321 is nonzero and the single set does not have an elt, then assign
17324 * simplify-rtx.c: New file.
17325 * Makefile.in (OBJS): Add simplify-rtx.o
17326 (simplify-rtx.o): Add dependencies.
17327 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17328 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17329 (cse_gen_binary, simplify_unary_operation): Delete.
17330 (simplify_binary_operation, simplify_plus_minus): Likewise.
17331 (check_fold_consts, simplify_relation_operation): Likewise.
17332 (simplify_ternary_operation): Likewise.
17333 (delete_trivially_dead_insns): Simplify the contents of the
17334 REG_EQUAL note before trying to substitute it into the source
17335 of the reg-reg copy at the end of a libcall sequence.
17337 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17338 references/callers changed.
17340 * mn10200.c (mn10200_va_arg): Force the return value into a
17343 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17345 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17348 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17350 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17352 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17354 * fold-const.c (fold): Fix thinko when optimizing comparisons
17357 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17359 * gcc.texi (Passes): Update front-end files to their current
17362 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17364 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17365 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17366 (PREDICATE_CODES): Add addition_operation.
17367 * alpha-protos.h (addition_operation): Declare.
17368 (secondary_reload_class): Likewise.
17369 * alpha.c (addition_operation): New.
17370 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17371 * alpha.md (adddi3): Turn into expander.
17372 (*lda, *adddi_2): New.
17373 (movsf, movdf patterns): Don't preference integer regs.
17374 (movsi, movdi patterns): Don't preference fp regs.
17376 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17378 * genrecog.c (write_switch): Check for duplicate CODE cases.
17380 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17382 * ggc-common.c: Update pre-function commentary.
17383 * ggc-page.c: Likewise.
17385 (poison_pages): Use memset directly.
17386 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17387 (ggc_collect): Poison before sweeping.
17388 * ggc-simple.c: Update pre-function commentary.
17389 (ggc_alloc_obj): Poison non-zeroed memory.
17391 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17393 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17394 match format string, even on 64-bit hosts.
17395 * gcc-page.c (ggc_page_print_statistics): Likewise.
17397 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17399 * config/i386/i386.c (ix86_cpu): Revert last patch.
17400 * config/i386/i386.h (ix86_cpu): Ditto.
17402 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17404 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17405 TYPE_SIZE, convert type of result to sizetype.
17407 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17409 * flow.c (count_or_remove_death_notes): Equate NULL with the
17412 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17413 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17416 * i386.c (pic_label_no): Delete.
17417 (ix86_attr_length_default): Don't use single_set to peek
17420 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17421 the first insn after bb->end.
17422 * i386.md (push mem peeps): Scratch is live after evaluation
17424 (cmp mem peep): Similarly.
17426 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17428 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17429 * function.c (pad_to_arg_alignment): Add missing braces.
17431 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17433 * alpha/alpha-protos.h (literal_section): Add prototype.
17434 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17437 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17439 (alpha_start_function, alpha_end_function, float_strings,
17440 alpha_need_linkage): Constify a char*
17442 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17444 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17446 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17448 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17450 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17452 * flow.c (debug_flow_info): Add prototype.
17454 * gcc.c (main): Likewise.
17456 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17459 * reload1.c (failed_reload, set_reload_reg): Likewise.
17461 * mips-tfile.c (main): Likewise.
17462 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17463 with ATTRIBUTE_NORETURN.
17465 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17467 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17468 DECL is not a memory ref.
17470 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17472 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17473 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17475 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17477 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17478 * config/mips/elf64.h: ditto.
17480 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17482 * expr.c (emit_push_insn): New argument alignment_pad.
17483 Update all callers. Adjust stack pointer based on alignment pad.
17484 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17485 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17486 (locate_and_pad_parm): New argument alignment_pad. Update all
17488 * expr.h (emit_push_insn): Update prototype.
17489 (locate_and_pad_parm): Update prototype.
17490 * calls.c (arg_data): Add new field alignment_pad.
17491 (initialize_argument_information): Initialize alignment_pad.
17493 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17495 * except.c (free_eh_nesting_info): Free the info itself.
17496 * function.c (free_after_compilation): Don't free NULL.
17497 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17498 (pre_edge_insert): Free inserted.
17499 * stmt.c (free_stmt_status): Don't free NULL.
17501 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17503 * gcov.c (DIR_SEPARATOR): Provide default.
17504 (output_data): Add test for MS-DOS format absolute filename.
17505 (fancy_abort): Correct program name.
17506 (open_files): Open all files in binary mode.
17507 * libgcc2.c (__bb_exit_func): Likewise.
17509 * profile.c (init_branch_prob): Specify binary when opening files.
17511 * flags.h (flag_unwind_tables): New decl.
17512 * toplev.c (flag_unwind_table): New definition.
17513 (f_options): Add -funwind-tables.
17514 (decode_g_option): Clarify warning when unknown -g option is given.
17515 (rest_of_compilation): If inside an inlined external function,
17516 pretend we are just being declared.
17518 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17519 (dwarf2out_frame_finish): Likewise.
17521 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17523 * fold-const.c (merge_ranges): If not in0, but in1, handle
17524 upper bounds equal like subset case.
17526 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17528 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17529 passed in a register but moved to the stack.
17531 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17533 * gcc.c (pass_exit_codes, greatest_status): New variables.
17534 (struct option_map): Add entry for "--pass-exit-codes".
17535 (execute): Update greatest_status if error.
17536 (display_help): Add documentation for -pass-exit-codes.
17537 (process_command): Handle -pass-exit-codes.
17538 (main): Look at pass_exit_codes and greatest_status on call to exit.
17540 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17542 * reload.c (find_reloads): Refine test for no input reload
17543 case to not includes reloads emitted after insn.
17545 * function.c (find_temp_slots_from_address): Handle sum involving
17546 a register that points to a temp slot.
17547 (update_temp_slot_address): Make recursive call if both old and
17548 new are PLUS with a common operand.
17549 * calls.c (expand_call): Mark temp slot for result as having
17552 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17554 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17555 component as well as "BINUTILS".
17557 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17558 * integrate.c (copy_rtx_and_substitute): Likewise.
17559 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17560 All callers changed.
17561 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17563 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17564 gdb extensions, write size of type; also be more consistent
17565 in using references when this is a subtype.
17567 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17568 that is out of range.
17570 * loop.c (unknown_constant_address_altered): New variable.
17571 (prescan_loop): Initialize it.
17572 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17573 (invariant_p, case MEM): Remove handling for volatile and readonly;
17574 check new variable if readonly.
17575 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17577 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17578 (addr_affects_sp_p): Removed from note_mem_written and only
17579 define #ifdef AUTO_INC_DEC.
17581 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17583 * regclass.c (record_reg_classes): Properly handle register move
17586 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17587 Don't think valid if both operands are invalid.
17588 (struct constant_descriptor): New field RTL.
17589 (mark_const_hash_entry): Mark it.
17590 (record_constant{,_rtx}): Initialize it.
17591 (output_constant_def): Allocate RTL in permanent obstack and
17593 ({record,compare}_constant_1): Modes must match for
17594 CONSTRUCTOR of ARRAY_TYPE.
17596 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17597 * output.h (initializer_constant_valid_p): Move decl to here.
17598 * c-common.c (initializer_constant_valid_p): Delete function from here.
17599 * varasm.c (initializer_constant_valid_p): Move function to here.
17601 * tree.h (STRIP_SIGN_NOPS): New macro.
17602 * fold-const.c (optimize_minmax_comparison): New function.
17603 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17604 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17605 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17606 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17607 widening conversions.
17608 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17609 to look at size of mode, not precision of type; also add missing cases.
17610 (optimize_bit_field_compare, decode_field_reference): Don't try to
17611 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17613 * dwarf2out.c (ctype.h): Include.
17614 (dwarf2out_set_demangle_name_func): New function.
17615 (size_of_line_info): Deleted.
17616 (output_line_info): Compute size of line info table from difference
17618 (base_type_die, add_name_attribute): Call demangle function, if any.
17619 (field_byte_offset): Use bits per word for variable length fields.
17620 (gen_array_type_die): Add array name.
17621 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17622 (dwarf2out_add_library_unit_info): New function.
17624 * explow.c (set_stack_check_libfunc): New function.
17625 (stack_check_libfunc): New static variable.
17626 (probe_stack_range): Allow front-end to set up a libfunc to call.
17628 * combine.c (simplify_comparison): When making comparison in wider
17629 mode, check for having commuted an AND and a SUBREG.
17630 (contains_muldiv): New function.
17631 (try_combine): Call it when dividing a PARALLEL.
17632 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17633 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17635 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17636 use one of the CLOBBERs instead.
17637 (if_then_else_cond): If comparing against zero, just return thing
17640 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17641 Don't generate shifts and subtract if have conditional arithmetic.
17643 * rtl.h (delete_barrier): New declaration.
17644 * jump.c (jump_optimize): Set up to handle conditional call.
17645 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17646 (delete_barrier): New function.
17648 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17650 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17652 * tree.c (build_type_attribute_variant): Push to obstack of
17653 ttype around type_hash_canon call.
17655 * expr.c (placeholder_list): Move decl to file scope.
17656 (expand_expr): Don't force access to volatile just because its
17658 If ignoring reference operations, just expand the operands.
17659 (expand_expr, case COMPONENT_REF): Propagate
17660 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17661 Refine test for using bitfield operations vs pointer punning.
17662 (expand_expr, case CONVERT_EXPR): If converting to
17663 BLKmode UNION_TYPE from BLKmode, just return inner object.
17664 Use proper mode in store_field call.
17665 Properly set sizes of object to store and total size in store_field
17666 call for convert to union.
17667 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17668 memory (like for ADDR_EXPR). Also, don't put constant in register if
17669 we'll want it in memory.
17670 (readonly_fields_p): New function.
17671 (expand_expr, case INDIRECT_REF): Call it if LHS.
17672 (expand_assignment): Handle a RESULT_DECL where
17673 DECL_RTL is a PARALLEL.
17674 (do_jump, case WITH_RECORD_EXPR): New case.
17675 (get_inner_reference): Always go inside a CONVERT_EXPR
17676 and NOP_EXPR if both modes are the same.
17677 (store_field): Use bitfield operations if size of bitsize is not same
17678 as size of RHS's type.
17679 Check for bitpos not a multiple of alignment in BLKmode case.
17680 Do block move in largest possible alignment.
17681 (store_constructor): Set BITSIZE to -1 for variable size and properly
17682 in case of array of BLKmode.
17683 (expand_expr_unaligned): New function.
17684 (do_compare_and_jump): Call it.
17686 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17687 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17688 does not include 'o'.
17690 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17691 both SET_DEST and SET_SRC reference a virtual register.
17692 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17694 * integrate.c (expand_inline_function): Handle case of setting
17695 virtual stack vars register (from built in setjmp); when parameter
17696 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17697 (subst_constant): Add new parm, MEMONLY.
17698 (expand_inline_function, integrate_parm_decls): Pass new parm.
17699 (integrate_decl_tree): Likewise.
17700 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17701 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17702 (copy_rtx_and_substitute, case SET): Add explicit calls to
17703 copy_rtx_and_substitute for both sides.
17705 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17707 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17708 within INDEX_TYPE, instead of before.
17709 (fixup_gotos): Use f->target_rtl, not the next insn,
17710 since latter may be from a later fixup.
17711 (expand_value_return): Correctly convert VAL when promoting function
17712 return; support RETURN_REG being a PARALLEL.
17713 (expand_return): When checking for result in regs and having
17714 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17716 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17718 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17719 last_nominal_fname): Mark const.
17720 (struct include_hash: name, nshort, control_macro): Mark
17722 (struct macrodef: symnam): Mark const.
17723 (struct if_stack: fname): Mark const.
17724 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17725 (IStable): New character-syntax array which encompasses all
17726 the old is_foo arrays.
17727 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17728 is_space): New macros for interrogating IStable.
17729 (check_macro_name): Kill last argument. All callers changed.
17731 * cppinit.c (initialize_char_syntax): Delete.
17732 (is_idchar, is_idstart, is_hor_space, is_space,
17733 trigraph_table): Delete.
17734 (IStable): New. Initialize with clever macros to avoid
17735 information duplication.
17736 (builtin_array): Table of builtins to get rid of explicit list
17737 in initialize_builtins.
17738 (initialize_builtins): Use builtins_array.
17739 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17740 opts->dollars_in_ident.
17742 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17744 (cpp_parse_expr): Avoid 'format string is not constant'
17745 warning. Use ISGRAPH to identify printable chars.
17746 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17748 (read_and_prescan): Map trigraphs to chars with open-coded
17749 if-else-if-... sequence, not a lookup table.
17750 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17752 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17753 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17754 (check_macro_name): Remove ability to report an invalid
17755 assertion name, which is never used.
17756 (do_line): Constify a couple of char *'s.
17757 * cppmain.c (main): Call cpp_cleanup before returning.
17759 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17761 * ggc.h (struct ggc_statistics): New type.
17762 (ggc_get_size): New function.
17763 (ggc_print_statistics): Likewise.
17764 * ggc-common.c (ggc_stats): New variable.
17765 (ggc_mark_rtx_children): Keep statistics.
17766 (ggc_mark_tree_children): Likewise.
17767 (ggc_print_statistics): New function.
17768 * ggc-page.c (struct globals): Add bytes_mapped field.
17769 (alloc_anon): Update it.
17770 (release_pages): Likewise.
17771 (ggc_get_size): New function.
17772 (ggc_page_print_statistics): New function.
17773 * ggc-simple.c (ggc_get_size): New function.
17775 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17777 * flow.c (propagate_block): When the last reference to a label
17778 before an ADDR_VEC is deleted because the reference is a dead
17779 store, delete the ADDR_VEC.
17781 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17783 * resource.c (find_free_register): Don't use the frame pointer
17784 if frame_pointer_needed.
17786 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17788 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17789 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17791 * config/i960/i960.c (i960_va_start): New locals base, num.
17792 Use INDIRECT_REF instead of ARRAY_REF on valist.
17793 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17795 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17797 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17799 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17801 * tree.def (PLACEHOLDER_EXPR): Update comments.
17803 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17805 * c-common.c (check_format_info): Avoid non-literal format string
17806 warnings when `first_arg_num' is zero.
17808 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17810 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
17812 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
17814 * arm.md (casesi_insn): Add a clobber of the condition code
17817 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
17819 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
17820 used by both cc1 and cc1plus.
17822 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
17824 * config/arm/arm.c: Initialise arm_structure_size_boundary to
17825 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
17826 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
17827 to the value 32 if it has not already been defined.
17828 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
17829 Override definition in arm.h with a value of 8.
17831 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
17833 * c-pragma.c (push_alignment): Don't check the return value
17836 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
17838 * sparc.h (ADJUST_COST): Fix thinko.
17840 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
17842 * cccp.c (rescan): Fixed obp pointer handling around call to
17843 check_expand subroutine.
17845 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
17847 * gcse.c (delete_null_pointer_checks): Only record non-null info
17848 for pseudos when examining stores.
17850 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
17851 splitters for these patterns. Use "#" for output templates.
17852 (addsi3_carryin_shift): New pattern.
17854 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
17856 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
17857 of the function return register into a plain REG until
17858 after function inlining is done.
17860 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17862 * jump.c (jump_optimize_1): If we did cross-jumping, and
17863 the data will matter, rebuild the CFG.
17864 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
17865 not optimizing. Don't run shorten_branches.
17866 * toplev.c (rest_of_compilation): Run shorten_branches after
17869 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
17871 * rtl.h (note_stores): Add additional paramter.
17872 * rtlanal.c (reg_set_p_1): Take additional paramter.
17873 (reg_set_last_1): Likewise.
17874 (reg_set_p): Adjust call to note_stores.
17875 (reg_set_last): Likewise.
17876 (note_stores): Pass data parameter to worker function.
17877 * alias.c (record_set): Take additional parameter.
17878 (init_alias_analysis): Pass it.
17879 * caller-save.c (mark_set_regs): Take additional parameter.
17880 (save_call_clobbered_regs): Pass NULL to note_stores.
17881 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
17883 (record_dead_and_set_regs_1): Likewise.
17884 (reg_dead_at_p_1): Likewise.
17885 (combine_instructions): Adjust calls to note_stores.
17886 (try_combine): Likewise.
17887 (record_dead_insn): Remove.
17888 (record_dead_and_set_regs): Adjust calls to note_stores.
17889 (reg_dead_at_p): Likewise.
17890 * cse.c (invalidate_skipped_set): Take additional parameter.
17891 (cse_check_loop_start): Likewise.
17892 (cse_check_loop_start_value): Remove.
17893 (cse_set_around_loop): Adjust calls to note_stores.
17894 * flow.c (notice_stack_pointer_modification): Take additional
17895 parameter. Remove duplicate declaration.
17896 (record_volatile_insns): Adjust calls to note_stores.
17897 * gcse.c (record_set_info): Take additional parameter.
17898 (record_last_set_info): Likewise.
17899 (invalidate_nonnull_info): Likewise.
17900 (record_set_insn): Remove.
17901 (compute_sets): Adjust calls to note_stores.
17902 (last_set_insn): Remove.
17903 (compute_hash_table): Adjust calls to note_stores.
17904 (insert_insn_end_bb): Likewise.
17905 (delete_null_pointer_checks): Likewise.
17906 * global.c (mark_reg_store): Take additional parameter.
17907 (mark_reg_clobber): Likewise.
17908 (reg_becomes_live): Likewise.
17909 (global_conflicts): Adjust calls to note_stores.
17910 (build_insn_chain): Likewise.
17911 * integrate.c (note_modified_parmregs): Take additional parameter.
17912 (mark_stores): Likewise. Make it static.
17913 (save_for_inline_nocopy): Adjust calls to note_stores.
17914 (try_constants): Likewise.
17915 * integrate.h (mark_stores): Remove declaration.
17916 * jump.c (mark_modified_reg): Take additional parameter.
17917 (thread_jumps): Adjust calls to note_stores.
17918 * local-alloc.c (validate_equiv_mem_from_store): Take additional
17920 (no_equiv): Likewise.
17921 (reg_is_set): Likewise.
17922 (validate_equiv_mem): Adjust calls to note_stores.
17923 (update_equiv_regs): Likewise.
17924 (block_alloc): Likewise.
17925 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
17926 (note_addr_stored): Take additional parameter.
17927 (note_set_pseudo_multiple_uses): Likewise.
17928 (record_initial): Likewise.
17929 (prescan_loop): Adjust calls to note_stores.
17930 (strength_reduce): Likewise.
17931 (check_dbra_loop): Likewise.
17932 * regmove.c (flags_set_1): Take additional paramter.
17933 (mark_flags_life_zones): Adjust calls to note_stores.
17934 * reload1.c (mark_not_eliminable): Take additional parameter.
17935 (forget_old_reloads_1): Likewise.
17936 (reload_cse_invalidate_rtx): Likewise.
17937 (reload_cse_check_clobber): Likewise.
17938 (reload_combine_note_store): Likewise.
17939 (move2add_note_store): Likewise.
17940 (reload): Adjust calls to note_stores.
17941 (reload_as_needed): Likewise.
17942 (emit_reload_insns): Likewise.
17943 (reload_cse_regs_1): Likewise.
17944 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
17945 (reload_combine): Adjust calls to note_stores.
17946 * resource.c (update_live_status): Take additional paramter.
17947 (mark_target_live_regs): Adjust calls to note_stores.
17948 * stupid.c (find_clobbered_regs): Take additional parameter.
17949 (stupid_life_analysis): Adjust calls to note_stores.
17951 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
17953 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
17956 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
17959 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
17960 of the variable arm_structure_size_boundary.
17962 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
17964 * alias.c (init_alias_analysis): Allocate reg_known_value and
17965 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
17967 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
17968 * cse.c (cse_main): Call end_alias_analysis.
17969 * haifa-sched.c (schedule_insns): Likewise.
17970 * local-alloc. (update_equiv_regs): Likewise.
17971 * reload1.c (reload_cse_regs): Likewise.
17973 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17975 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
17976 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
17977 mapping from MASK_FPU.
17979 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
17981 * sparc.md (call): Don't bound structure return size to 0xfff.
17983 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
17985 * resource.c (mark_target_live_regs): Check that the target
17986 insn wasn't created after compute_bb_for_insn.
17988 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
17990 * ggc-page.c (poison_pages): Don't be overzealous.
17992 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
17994 * alias.c: Update comments for ADDRESS.
17995 (nonlocal_reference_p): Look inside the ADDRESS to determine if
17996 it is a local memory reference.
17998 * c-typeck.c (build_function_call): Check that the built-in
17999 function is of class BUILT_IN_NORMAL before trying to recongize
18000 it as BUILT_IN_ABS.
18001 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18002 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18004 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18006 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18008 (pre_gcse): Likewise.
18009 (hoist_expr_reaches_here_p): Likewise.
18010 (hoist_code): Likewise.
18011 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18013 (pre_expr_reaches_here_p_work): ... here.
18014 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18016 (expr_reaches_here_p_work): ... here.
18018 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18020 * resource.c (find_basic_block): Delete.
18021 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18022 (init_resource_info): Call compute_bb_for_insn.
18024 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18026 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18027 with already adjacent blocks, but no fallthru.
18028 (merge_blocks_move_successor_nojumps): Simplify.
18029 (debug_flow_info): New.
18031 * toplev.c (rest_of_compilation): Open jump1 dump file before
18032 jump and close after, as opposed to just using dump_rtl.
18034 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18036 * reload.h (earlyclobber_operand_p): Declare.
18037 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18038 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18039 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18040 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18042 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18043 Richard Henderson <rth@cygnus.com>
18045 * emit-rtl.c (emit_block_insn_before): New.
18046 (emit_block_insn_after): New.
18047 * basic-block.h: Declare them.
18049 * bitmap.h: Protect from multiple inclusion.
18051 * recog.c (scratch_operand): Handle VOIDmode correctly.
18053 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18055 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18056 * function.c (assign_parms): Likewise.
18057 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18059 * reg-stack.c (max_uid): Remove.
18060 (blocks, block_begin, block_end, block_drops_in): Remove.
18061 (block_stack_in, block_out_reg_set, block_number): Remove.
18062 (struct block_info_def, BLOCK_INFO): New.
18063 (enum emit_where): New.
18064 (current_block): New.
18065 (BLOCK_NUM): Remove.
18066 (mark_regs_pat, record_label_references): Remove.
18067 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18069 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18070 (reg_to_stack): Simplified test for existance of fp code. Use
18071 flow.c code. Call shorten_branches after cross-jump opt.
18072 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18073 Return false if the asm doesn't use stack regs. Don't do life
18074 analysis on the asm.
18075 (emit_pop_insn): Replace function pointer arg `when' with
18076 enum `where'. Update all callers.
18077 (change_stack): Likewise. Update basic block end.
18078 (emit_swap_insn): Use current_block->head to limit reverse search
18079 for start of block. Use emit_block_insn_after.
18080 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18081 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18082 structure assignment instead of bcopy.
18083 (print_stack): New.
18084 (convert_regs_entry, convert_regs_exit): New.
18085 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18086 Work on basic blocks and the CFG.
18087 (convert_regs): Use them.
18089 * i386.c (output_fix_trunc): Remove code for DImode input operand
18090 not at top-of-stack.
18091 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18093 (fix_truncdi_1): Allow any mode scratch.
18095 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18097 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18098 * linux.h, netbsd.h, vms.h: Not here.
18100 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18102 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18103 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18104 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18105 CONDITIONAL_REGISTER_USEAGE): Use them.
18106 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18107 gen_conditional_branch,override_options) : Use them.
18108 * config/mips/mips.md : Use them.
18110 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18112 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18114 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18116 * integrate.c (function_cannot_inline_p): Don't allow inlining
18119 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18121 * c-parse.in (cast_expr): Constify.
18123 * cccp.c (special_symbol): Likewise.
18125 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18127 * dwarf2out.c (base_type_die): Likewise.
18129 * global.c (allocno_compare): Likewise.
18131 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18133 * regclass.c (fix_register): Likewise.
18135 * rtl.h (fix_register): Likewise.
18137 * stupid.c (stupid_reg_compare): Likewise.
18139 * toplev.c (decode_f_option): Likewise.
18141 * tree.c (build_complex_type): Likewise.
18143 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18145 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18147 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18149 * reload.c (find_reloads): Compute mode and nregs fields of all
18151 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18152 (calculate_needs): Use precomputed mode/nregs values.
18153 (allocate_reload_reg): Likewise.
18155 (failed_reload, set_reload_reg): ... new functions.
18156 (choose_reload_regs_init): New function, mostly broken out from...
18157 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18158 Also lose one #if 0 block.
18160 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18162 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18165 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18167 * tree.h (BLOCK_TYPE_TAGS): Remove.
18168 (BLOCK_END_NOTE): Likewise.
18169 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18170 (BLOCK_LIVE_RANGE_START): Likewise.
18171 (BLOCK_LIVE_RANGE_END): Likewise.
18172 (tree_block): Remove live_range_flag, live_range_var_flag, and
18173 type_tags. Remove end_note, live_range_start, and live_range_end.
18174 (remember_end_note): Remove prototype.
18175 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18176 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18178 * ggc-common.c (ggc_mark_tree_children): Don't mark
18179 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18180 * integrate.c (adjust_copied_decl_tree): Remove.
18181 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18182 * stmt.c (last_block_end_note): Remove.
18183 (init_stmt): Don't add a GC root for it.
18184 (expand_fixup): Don't set it.
18185 (remember_end_note): Remove.
18186 (expand_end_bindings): Don't set last_block_end_note.
18188 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18190 * reload1.c (reload_reg_free_for_value_p): Show
18191 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18194 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18196 * expmed.c (extract_bit_field): Allow for the case of non-integer
18197 objects that are smaller than a word (like SFmode on a 64-bit
18200 * loop.c (basic_induction_var): A non-integer variable which is
18201 being set by a paradoxical subreg is probably not a biv.
18203 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18205 * prefix.c (translate_name) Check for empty prefix string.
18207 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18209 * Makefile.in (CPP_CROSS_NAME): New variable.
18210 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18212 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18213 names of the files to be uninstalled.
18215 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18217 * collect2.c (IS_DIR_SEPARATOR): Define.
18218 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18220 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18223 * haifa-sched.c (add_dependence): Update the true dependency
18224 cache the first time we add a true dependence to the LOG_LINKS chain.
18226 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18228 * fold-const.c (fold): Fix comment.
18230 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18232 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18233 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18234 dbxout_start_new_source_file, dbxout_source_file,
18235 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18236 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18238 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18239 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18240 (dbxout_block): Initialize variable `blocknum'.
18242 * dbxout.h (dbxout_init, dbxout_finish,
18243 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18244 dbxout_args, dbxout_source_line): Constify a char*.
18246 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18247 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18248 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18249 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18250 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18251 src_info_attribute, mac_info_attribute, producer_attribute,
18252 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18253 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18254 dwarfout_undef): Constify a char*.
18255 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18257 * dwarfout.h (dwarfout_define, dwarfout_undef,
18258 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18260 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18262 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18263 (MULTILIB_ISA_DEFAULT): New.
18264 (MULTILIB_DEFAULTS): Use it.
18265 * config/mips/mips.c (): Remove the now unnecessary definition
18266 of MIPS_ISA_DEFAULT.
18267 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18268 unnecessary definition.
18270 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18272 * arm.md (pic_load_addr): Add constraints to operand 1.
18274 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18276 * fixinc/genfixes: Provide a means for specifying -D options to
18279 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18281 * arm.c (arm_override_options): Correct initialization of
18282 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18283 arm_is_strong, and arm_is_6_or_7.
18285 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18286 (note_set_pseudo_multiple_uses): New function.
18287 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18288 if a pseudo set in the loop exit is used elsewhere.
18290 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18292 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18294 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18296 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18297 a single load-address pattern.
18299 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18301 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18302 depending on whether or not line-number notes are present.
18304 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18306 * cccp.c (progname, file_buf, default_include, include_file,
18307 macrodef, definition, hashval, wchar_type, user_label_prefix,
18308 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18309 expand_to_temp_buffer, is_system_include, base_name,
18310 absolute_filename, read_name_map, open_include_file,
18311 record_control_macro, check_precompiled, check_preconditions,
18312 pcfinclude, pass_thru_directive, create_definition,
18313 check_macro_name, comp_def_part, collect_expansion,
18314 check_assertion, read_token_list, assertion_install,
18315 assertion_lookup, eval_if_expression, conditional_skip,
18316 validate_else, skip_quoted_string, quote_string, macarg1,
18317 error_from_errno, install, lookup, hashf, dump_defn_1,
18318 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18319 check_white_space, rescan, handle_directive, monthnames,
18320 special_symbol, do_include, remap_include_file, write_output,
18321 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18322 do_ident, do_sccs, do_xifdef, skip_if_group,
18323 output_line_directive, macroexpand, macarg, change_newlines,
18324 initialize_builtins, make_definition): Constify a char*.
18326 * pcp.h (stringdef): Likewise.
18328 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18330 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18333 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18334 Richard Henderson <rth@cygnus.com>
18336 * alias.c: Include ggc.h.
18337 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18338 (record_set): Verify enough room in reg_base_value.
18339 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18340 Register it as a GC root.
18341 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18342 * Makefile.in (alias.o): Depend on ggc.h.
18344 * unroll.c (unroll_loop): Verify the insn before a barrier
18345 is a JUMP_INSN before checking JUMP_LABEL.
18347 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18349 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18350 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18351 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18352 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18353 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18354 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18356 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18358 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18360 * alpha/alpha-interix.h (text_section): Delete prototype.
18361 * alpha/elf.h (text_section): Likewise.
18362 * arm/linux-elf.h (text_section): Likewise.
18363 * arm/linux-telf.h (text_section): Likewise.
18364 * c4x/c4x.h (text_section): Likewise.
18365 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18366 * elfos.h (text_section): Likewise.
18367 * i386/aix386ng.h (text_section): Likewise.
18368 * i386/i386-interix.h (text_section): Likewise.
18369 * i386/sco5.h (text_section): Likewise.
18370 * i386/svr3gas.h (text_section): Likewise.
18371 * nextstep.h (text_section): Likewise.
18372 * psos.h (text_section): Likewise.
18373 * ptx4.h (text_section): Likewise.
18374 * svr3.h (text_section): Likewise.
18375 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18377 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18379 * final.c (peephole): Delete prototype.
18381 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18382 (pre_insert_copies): Remove unused variable `bb'.
18384 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18387 * output.h (peephole): Add prototype.
18389 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18391 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18394 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18396 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18397 for inlined declarations.
18399 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18401 * arm.c (logical_binary_operator): New fucntion.
18402 * arm.h (logical_binary_operator): Declare it.
18403 (PREDICATE_CODES): Handle logical_binary_operator.
18404 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18405 output constraints. Add appropriate splitters.
18406 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18407 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18408 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18410 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18412 * genoutput.c (struct operand_data): New elt eliminable.
18413 (output_operand_data): Write it.
18414 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18415 (compare_operands): Take it into account.
18416 * recog.h (struct insn_operand_data): New elt eliminable.
18417 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18419 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18420 (eliminate_regs): Move code that detects changes to elimination
18421 target regs into new function elimination_effects.
18422 Delete one #if 0 block.
18423 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18424 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18425 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18426 Only call eliminate_regs for real operands of the insn, not for parts
18427 of its structure or parts matched by things like match_operator.
18428 Use elimination_effects and check_eliminable_occurrences. Use
18429 copy_insn to duplicate the pattern when not in the final pass.
18431 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18433 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18436 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18438 * fixinc/README: document the "mach" machine matching test
18439 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18440 * fixinc/fixtests.c: Implement the #else/#endif label test
18441 * fixinc/inclhack.def: utilize these tests and fixes
18442 * fixinc/inclhack.sh: regen
18443 * fixinc/fixincl.x: regen
18444 * fixinc/fixincl.sh: regen
18446 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18448 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18451 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18453 * gcc.1: Document exit codes.
18455 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18457 * calls.c: Include tm_p.h later, so everything we need is defined.
18458 * expr.c: Likewise.
18459 * function.c: Likewise.
18461 * except.c: Include tm_p.h.
18463 * sparc.c: Likewise.
18464 (dwarf2out_cfi_label): Don't prototype.
18465 (check_return_regs, epilogue_renumber,
18466 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18467 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18468 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18469 ultra_schedule_insn): Add static prototype.
18470 (data_segment_operand, text_segment_operand): Call itself with the
18471 proper number of arguments.
18472 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18474 * sparc.h: Move all declarations to sparc-protos.h.
18475 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18478 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18480 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18482 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18483 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18484 ASM_OUTPUT_ASCII): Constify a char*.
18486 * sparc-protos.h: New file for sparc prototypes.
18488 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18490 * function.c (record_insns, contains): Always declare and define.
18491 (record_insns): Mark with ATTRIBUTE_UNUSED.
18493 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18495 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18496 to .section when outputting a .bss section to deal with multiple
18497 .bss input sections (as happens with -fdata-sections)
18498 Also output %progbits, not @progbits so the assembler doesn't treat as
18500 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18502 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18503 thumb parts even when building with non-thumb CPUs, by forcing
18506 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18508 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18509 (movdf_const_intreg_sp64): Similarly.
18511 * local-alloc.c (update_equiv_regs): Check the correct insn
18512 for pre-existing REG_EQUIV notes.
18514 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18516 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18517 block reached by a branch if we're not going to actually process
18520 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18522 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18523 a local extern function declaration.
18525 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18527 * i386.c (ix86_expand_prologue): Properly wrap USE around
18528 reg for CALL_INSN_FUNCTION_USAGE.
18530 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18532 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18533 move between GP_REGs.
18535 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18537 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18538 the mode size when finding out if an offset is legal.
18540 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18542 * basic-block.h (PROP_*): Move constants from ...
18543 * flow.c: ... here.
18544 (compute_bb_for_insn): Free the array before reallocating.
18545 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18546 (allocate_reg_life_data): Reset all reg variables collected by
18548 (get_block_head_tail): Don't convert from bb to block.
18549 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18550 (find_insn_reg_weight): Take block not bb.
18551 (schedule_block): Don't set block num for moved insns.
18552 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18553 (schedule_insns): Do it here instead.
18554 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18555 before update_life_info.
18556 * recog.c (split_all_insns, peephole2_optimize): Update for
18557 new arg to update_life_info.
18558 * rtlanal.c (remove_note): Cope with NULL note.
18559 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18562 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18564 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18566 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18567 block records so that merge_blocks_nomove will clean up correctly.
18568 (split_edge): Handle casesi insns.
18570 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18572 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18574 * pa.md (call, call_value): Do not emit a blockage after restoring
18577 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18579 * c-typeck.c (c_expand_asm_operands): Fix typo.
18581 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18583 * arm.c (fpu_rhs_operand): Verify modes.
18584 (fpu_add_operand): Likewise.
18585 (di_operand): Likewise.
18586 (soft_df_operand): Likewise.
18588 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18590 * arm.c (arm_return_in_memory): APCS rules state that the elements
18591 of a structure returned in a register must be 'integer-like'.
18593 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18595 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18596 in the source tree when the generated targets are out of date
18597 * fixinc/genfixes: Alter it to run individual fixes for make.
18598 * fixinc/README: rewrite
18599 * fixinc/inclhack.def: moved initial comments to README
18601 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18603 * toplev.c (main): Do not generate an error message if an
18604 unrecognised command line switch is recognisable by another
18605 language. If extra_warnings are enabled, then generate a
18606 warning message instead.
18608 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18610 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18611 (insert_pack_attributes): Delete prototype.
18613 * c-pragma.c (default_alignment): New static variable.
18614 (push_alignment): Initialize to current effective alignment.
18615 (pop_alignment): Use to set new alignment.
18616 (insert_pack_attributes): Delete function.
18617 (handle_pragma_token): Set default_alignment as well each time
18618 a #pragma pack(<n>) is encountered.
18620 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18622 * reg-stack.c (stack_result): Aggregates are not returned in
18625 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18627 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18629 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18631 * basic-block.h (set_block_num): Declare.
18632 * flow.c (update_life_info): Don't call compute_bb_for_insn
18633 or free_basic_block_vars.
18634 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18635 (insn_orig_block): Remove.
18636 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18637 (schedule_block): Keep BLOCK_NUM up-to-date.
18638 (schedule_insns): Use compute_bb_for_insn.
18639 * recog.c (split_all_insns): Likewise.
18640 (peephole2_optimize): Likewise.
18642 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18644 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18645 if the pic register is used.
18647 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18649 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18650 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18651 if that tests TREE_PERMANENT.
18653 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18655 * cse.c (invalidate_for_call): Do not remove memory references from
18656 the table here. It's handled elsewhere.
18658 * haifa-sched.c (add_dependence): Protect references to the
18659 true dependency cache with #ifdef INSN_SCHEDULING.
18660 (remove_dependence): Similarly.
18662 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18663 to the cfg code that this is a return instruction.
18664 * mn10300.md (return_internal): Similarly.
18666 * combine.c (get_last_value): If the last set of a register
18667 is after subst_low_cuid, then we can not use it to determine
18668 the register's last value.
18670 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18672 * Makefile.in: Back out previous change.
18674 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18676 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18678 * haifa-sched.c (add_dependence): Only check/update the cache
18680 (remove_dependence): Likewise.
18681 (schedule_insns): Only create the true_dependency_cache if the
18682 average number of instructions in a basic block is very large.
18684 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18686 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18687 (ggc-simple.o): Likewise.
18688 (ggc-page.o): Likewise.
18690 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18692 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18693 Prototype for exported functions.
18694 (pre_lcm, pre_rev_lcm): Remove prototypes.
18695 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18696 (compute_available): Move to lcm.c, and change parameter order.
18697 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18698 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18699 (gcse_main): No longer call compute_preds_succs. Rebuild the
18700 set table after reach pre pass.
18701 (pre_insert_map, pre_delete_map, edge_list): New.
18702 (alloc_pre_mem): Allocate edge vectors.
18703 (free_pre_mem): Delete edge vectors.
18704 (compute_pre_data): Call new edge based lcm routines.
18705 (process_insert_insn): New function.
18706 (insert_insn_end_bb): Use it.
18707 (pre_edge_insert): New function.
18708 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18710 (pre_insert_copies): Revamp using new edge based lcm outputs.
18711 (pre_delete): Likewise.
18712 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18714 (compute_code_hoist_vbeinout): New new edge based routines.
18715 * lcm.c: Remove all the old LCM functions. Replace with new ones
18716 that work with the new cfg datastructures and work with edges
18719 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18721 * reload.h (struct reload): Add new fields "mode" and "nregs".
18722 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18723 to reference the "mode" and "nregs" field within struct reload.
18725 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18727 * haifa-sched.c (true_dependency_cache): New.
18728 (add_dependence): Use the true dependency cache to avoid expensive
18729 walks down the LOG_LINKS dependency list. Add entries to the
18730 cache as necessary.
18731 (remove_dependence): Remove entries from the true dependency cache
18733 (schedule_insns): Allocate and initialize and free the true
18736 * haifa-sched.c (schedule_insns): Do not remove inter-block
18737 dependencies anymore.
18739 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18741 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18742 * i386/t-winnt: Likewise.
18744 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18746 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18748 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18750 * Makefile.in (LANGUAGES): Omit "proto".
18751 (clean): Remove stale comment about removing unprotoize.c.
18753 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18755 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18756 using arithmetic on void pointers.
18758 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18760 * haifa-sched.c (compute_block_forward_dependencies): Only check
18761 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18763 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18765 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18766 (expr_equiv_p): Reject memories with different alias sets.
18768 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18770 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18771 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18772 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18773 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18774 (lang_init): Set default for flag_bounds_check if still "unspecified".
18776 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18778 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18780 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18782 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18785 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18787 * config/c4x/c4x.md (*db_noclobber,
18788 *decrement_and_branch_until_zero_noclobber): New patterns and
18789 associated splitters.
18791 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18793 * config/c4x/c4x.md (parallel instruction patterns): Rework
18794 constraints to keep reload happy.
18796 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18798 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18799 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18800 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18801 Add new patterns and associated post-reload splitters.
18803 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18805 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18807 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18809 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
18811 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
18813 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18815 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
18818 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
18820 * pa.c (move_operand): Rely on memory_address_p to determine the
18821 validity of non-indexed memory addresses.
18822 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
18823 operand in DFmode and SFmode when generating PA2.0 code.
18825 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
18827 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
18829 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
18831 * mips.c (function_prologue): Fix argument types.
18832 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
18833 (casesi_internal): Write to the scratch register.
18835 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
18837 * cppexp.c (cpp_parse_escape): Make static. Change second arg
18839 (parse_charconst): Delete unnecessary cast when calling
18841 (cpplib.h): Kill prototype of cpp_parse_escape.
18843 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
18845 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
18846 * unroll.c (unroll_loop): Cast return value of alloca.
18847 * i370/i370.c: Include function.h and toplev.h.
18848 (i370_label_scan): Remove c++ commented abort.
18849 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
18850 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
18851 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
18852 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
18854 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
18856 * config/t-freebsd: Do not override USER_H.
18857 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
18859 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
18860 Mumit Khan <khan@xraylith.wisc.edu>
18862 * c-parse.in (component_decl): Support anonymous struct/union.
18864 * c-parse.y: Regenerate.
18865 * c-parse.c: Likewise.
18866 * objc/objc-parse.y: Likewise.
18867 * objc/objc-parse.c: Likewise.
18868 * c-decl.c (finish_struct): Don't sort the fields.
18869 (field_decl_cmp): Delete unused function.
18871 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
18873 * sparc.md (movsf_const_intreg): Revert last constraint change.
18874 (movdf_const_intreg_sp32): Likewise.
18876 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
18878 * cse.c: Include hashtab.h instead of splay-tree.h
18879 (struct cse_reg_info): No longer use variant union. Add new
18880 field "regno". All references changed to avoid union.
18881 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
18882 (free_cse_reg_info): Remove.
18883 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
18884 (get_cse_reg_info): Revamp to use expandable hash tables instead
18885 of splay trees. Initialize new fields in cse_reg_info structure.
18886 (new_basic_block): Similarly.
18888 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
18890 * genrecog.c (message_with_line): Prototype.
18891 (validate_pattern): Pass along the set for the dest, not a flag.
18892 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
18893 Check for PC/CC0 as sources.
18894 (nodes_identical): Check for children position match before
18895 allowing the combination.
18897 * rtl.c (read_rtx): Track line number across \\\n.
18899 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
18901 * mips.h (SPECIAL_MODE_PREDICATES): New.
18902 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
18903 (movdi+1, movsi+1): Add output reload constraint.
18904 (casesi_internal): Likewise. Fix commentary.
18905 (return_internal): Use pmode_register_operand.
18907 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
18909 * 1750a.md (movstrqi): Add missing output reload constraint.
18910 (call_value): Likewise.
18911 * a29k.md (cpxxx patterns): Add missing match_operator mode.
18912 (jmpfdec): Add missing inout reload constraint.
18913 * elxsi.md (addsi patterns): Add missing output reload constraint.
18914 (move from sp): Use @ alternates.
18915 (call_value): No constraint on output.
18916 * fr30.md (movsi_pop): Add missing output reload constraint.
18917 (movsf_constant_store): Likewise.
18918 (splits): Remove constraints.
18919 (subsi3): Add missing mode.
18920 * i370.md (cmpstrsi+1): Add missing output reload constraint.
18921 (call_value): Likewise.
18922 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
18923 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
18924 * m32r.md (movsicc_internal): Add output reload constraint.
18925 (movstrsi_internal): Add inout reload constraints.
18926 * m88k.h (reg_names): Don't declare.
18927 (SPECIAL_MODE_PREDICATES): New.
18928 * m88k.md (*): Use register_operand not reg_or_0_operand
18930 * mn10200.h (PREDICATE_CODES): New.
18931 * ns32k.md (ffs pattern): Add output reload constraint.
18932 * pdp11.md (sob pattern): Add inout reload constraint.
18933 * sh.md (splits): Remove constraints.
18934 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
18935 * v850.md (pattern_is_ok_for_epilogue): Likewise.
18936 * vax.md (jgequ pattern): Add inout reload constraint.
18938 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
18940 * configure.in (djgpp): Revert previous patch.
18941 * configure: Rebuit.
18942 * config/i386/djgpp.h: Revert previous patch.
18944 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
18946 * fixinc/inclhack.def: Restore patch lost during last merge of
18947 "no_bogosity" branch.
18948 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18950 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18952 * fixincludes: Add a HPUX 11 fix for inttypes.h.
18953 * fixinc/inclhack.def: Same.
18954 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
18956 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
18958 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
18959 as the base of a PLUS.
18961 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18963 * config/c4x/c4x.md: Define mode for remaining unspec operators.
18964 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
18966 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
18968 * pa.md (post_stw+1): Use pmode_register_operand.
18969 (dcacheflush, icacheflush): Likewise.
18971 * i386.md (movstricthi_1): Allow r/r.
18973 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
18975 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
18976 to (not (and (arg0) (arg1))). Similary for and.
18978 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
18979 fallthrough to associate code.
18980 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
18983 * combine.c (simplify_logical): Convert XOR to IOR if operands have
18984 no bits in common; remove XOR to ROTATE conversion.
18986 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18988 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
18990 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18992 * config/c4x/c4x.c (dst_operand): New.
18993 (PREDICATE_CODES): Update.
18994 * config/c4x/c4x.h (dst_operand): Declare it.
18995 * config/c4x/c4x.md: Define mode for each unspec usage.
18996 (move patterns): Use dst_operand predicate instead of src_operand.
18997 (movqi_update, movqf_update): Delete.
18999 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19001 * recog.c (pmode_register_operand): New.
19002 * recog.h: Declare it.
19003 * genrecog.c (pred_codes): Likewise.
19004 (special_mode_pred_table): Likewise.
19005 (validate_pattern): Don't warn no mode for address_operand.
19007 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19008 if the operand is not insn-like.
19010 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19011 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19013 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19015 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19017 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19018 instead of general_operand in a SET_DEST. Use const_double_operand
19019 instead of an explicit test against CONST_DOUBLE.
19020 (movsf_const_lo): Add missing register mode.
19021 (goto_handler_and_restore): Add auxiliary test for Pmode.
19022 (flush): Adjust to use address_operand.
19023 (return_sf_no_fpu): Add missing output constraint.
19025 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19027 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19028 for call return value.
19029 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19031 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19033 * toplev.c (main): Only warn about options for other languages.
19034 * collect2.c (main): Pass -w to sub-gcc.
19036 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19038 * flow.c (propagate_block): Add call-clobbered registers to
19041 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19042 zapping mem_set_list.
19043 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19044 (mark_set_1, mark_used_regs): Likewise.
19046 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19048 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19050 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19052 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19053 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19054 options. Also add a new item "C-only Warning Options" to the
19057 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19059 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19060 from multiple calls.
19062 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19064 * i386.md (call value patterns): Move to the end of the file.
19065 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19067 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19069 * configure.in (djgpp configuration): Define extra_objects..
19070 * configure: Rebuilt.
19071 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19072 (DTORS_SECTION_ASM_OP): Define.
19073 (INIT_SECTION_ASM_OP): Define.
19074 (FINI_SECTION_ASM_OP): Define.
19075 (DATA_SECTION_ASM_OP): Define.
19076 (TEXT_SECTION_ASM_OP): Define.
19077 (EH_FRAME_SECTION_ASM_OP): Define.
19078 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19079 (STARTFILE_SPEC): Add crtbegin.o.
19080 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19081 to here from LINK_COMMAND_SPEC.
19082 (DO_GLOBAL_CTORS_BODY): Define.
19083 (CRTSTUFF_USE_FINI_SECTION): Define
19084 (HAS_INIT_SECTION): Delete.
19086 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19088 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19090 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19092 * pa.h (PREDICATE_CODES): New.
19094 * genrecog.c (validate_pattern): Condense the destination
19095 non-lvalue message.
19097 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19099 * alpha.md (call-1): Supply missing mode for operator.
19100 (*): Add missing output reload constraints. Remove constraints
19101 from define_splits.
19103 * i386.h (SPECIAL_MODE_PREDICATES): New.
19104 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19105 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19106 (addsi_lea_3): Add missing mode for op 3.
19107 (prologue_set_got, prologue_get_pc): Add missing modes.
19108 (*) Add missing output reload constraints.
19110 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19112 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19113 check for member bit-size overflow and use var_size if it occurs.
19114 (layout_record): Use bitsize_int() to define the type size in bits.
19115 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19116 (layout_decl): Likewise when assigning to DECL_SIZE.
19118 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19120 * genrecog.c (validate_pattern): Typo last change. Verify
19121 that output operands have output reloads.
19123 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19125 * genrecog.c (special_mode_pred_table): New.
19126 (NUM_SPECIAL_MODE_PREDS): New.
19127 (find_operand): New.
19128 (validate_pattern): New argument `insn'. Warn for assignment to
19129 any predicate accepting non-lvalues. Conditionaly warn for
19130 match_operand without a mode. Try much harder to match source
19131 and destination modes on a set.
19132 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19134 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19136 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19138 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19140 * combine.c (simplify_logical): Recognize xor pattern that encodes
19143 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19145 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19148 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19150 * ggc-page.c (MAP_FAILED): Provide default.
19152 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19154 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19155 * sparc.h (PREDICATE_CODES): Update.
19157 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19159 * alpha.c (some_ni_operand): New.
19160 * alpha-protos.h: Declare it.
19161 * alpha.h (PREDICATE_CODES): Update.
19162 * alpha.md (sXaddq reload insns): Use some_ni_operand
19163 for SET_DEST instead of some_operand.
19165 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19166 Jim Wilson <wilson@cygnus.com>
19168 * genrecog.c (maybe_both_true_2): Don't compare modes of
19170 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19171 after find_afterward.
19172 (debug_decision_1): Dump next and afterward codes.
19174 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19176 * rtl.c (dump_and_abort): Remove.
19177 (fatal_with_file_and_line): New.
19178 (fatal_expected_char): New.
19179 (read_rtx_lineno, read_rtx_filename): New.
19180 (read_skip_spaces): Track line number.
19181 (read_name): Use fatal_with_file_and_line.
19182 (read_rtx): Use fatal_expected_char. Track line number.
19183 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19185 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19186 if it isn't a CODE_LABEL.
19188 * genattr.c (main): Set read_rtx_filename.
19189 * genattrtab.c (main): Likewise.
19190 * gencodes.c (main): Likewise.
19191 * genconfig.c (main): Likewise.
19192 * genemit.c (main): Likewise.
19193 * genextract.c (main): Likewise.
19194 * genflags.c (main): Likewise.
19195 * genopinit.c (main): Likewise.
19196 * genoutput.c (main): Likewise.
19197 * genpeep.c (main): Likewise.
19199 * genrecog.c (decision_test.u.insn): Add `lineno'.
19200 (pattern_lineno, error_count): New variables.
19201 (message_with_line): New.
19202 (add_to_sequence): Break out checking code to ...
19203 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19204 (merge_insn): Use message_with_line.
19205 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19206 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19208 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19210 * expr.c (store_constructor): Clear union if constructor is empty.
19212 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19214 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19215 Add !endian checks. Change %{...} to %(...).
19217 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19219 * i386.md (*addsi3_cc): Renamed from addcsi3.
19220 (*addsi3_carry): Renamed from addxsi3.
19221 (*subsi3_cc): Renamed from subcsi3.
19222 (*subsi3_carry): Renamed from subxsi3.
19223 (*xorqi_cc_1): Renamed from xorcqi_1.
19224 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19225 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19227 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19229 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19230 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19232 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19234 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19235 climb up the chain of insns.
19237 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19239 * genrecog.c (write_subroutine): Careful for null trees.
19240 (process_tree): Don't elide empty functions.
19242 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19244 * Makefile.in (genrtl.o): Depend on ggc.h.
19245 * configure.in (valloc): Probe for it.
19246 (with-gc): Use ggc-page if valloc present.
19247 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19248 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19249 (ggc_alloc_string): Moved from ggc-page.c.
19250 * ggc-none.c (ggc_alloc_obj): New.
19251 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19252 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19253 (struct globals): Likewise for dev_zero_fd.
19254 (init_ggc): Likewise for it's initialization.
19255 (ggc_allocated_p): Move careful dereference from ...
19256 (ggc_lookup_page_table): ... here. Delete.
19257 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19258 (alloc_anon): Use valloc if no mmap.
19259 (release_pages): Use free if using valloc.
19260 (ggc_alloc_obj): Renamed from alloc_obj.
19261 (ggc_set_mark): Renamed from mark_obj.
19262 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19263 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19264 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19265 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19266 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19267 (ggc_collect): Use fp printing instead of our own rounding.
19268 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19269 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19270 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19271 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19272 (struct ggc_string, struct ggc_any): Delete.
19273 (offsetof): Provide default definition.
19274 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19276 (struct ggc_mem): New, from corpse of ggc_any.
19277 (struct ggc_status): Delete.
19278 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19279 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19280 (n_strings_collected, n_anys_collected): Delete.
19281 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19282 (ggc_alloc_string, ggc_alloc): Delete.
19283 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19284 (ggc_free_string, ggc_free_any): Delete.
19285 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19286 (ggc_compare_addresses, ggc_mark_string): Delete.
19287 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19288 (search_data): Delete.
19289 (struct globals): New.
19290 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19291 (tree_insert, tree_lookup): New.
19292 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19293 (clear_marks, sweep_objs): New.
19294 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19295 (init_ggc): Set allocated_last_gc.
19296 (ggc_push_context): Gut. Use G.context.
19297 (ggc_pop_context): Likewise.
19298 (ggc_pop_context_1): New.
19299 (debug_ggc_tree): New.
19300 (debug_ggc_balance, tally_leaves): New.
19301 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19302 (ggc_mark_string_if_gcable): Remove decl.
19303 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19304 (ggc_mark_rtvec_children): New.
19305 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19306 (ggc_mark_if_gcable): New decl.
19307 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19308 (ggc_alloc_tree, ggc_alloc): Likewise.
19309 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19310 (ggc_alloc_obj): New decl.
19311 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19312 (ggc_alloc_tree, ggc_alloc): Likewise.
19313 (ggc_set_mark): New decl.
19314 * rtl.h (struct rtx_def): Remove gc_mark.
19315 (struct rtvec_def): Likewise.
19316 * tree.h (struct tree_common): Likewise.
19318 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19320 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19321 float_format and thread_file definitions.
19322 * configure: Rebuilt.
19324 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19326 * extend.texi (Function Names): Document types of function names.
19328 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19330 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19331 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19333 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19335 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19337 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19339 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19341 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19343 * collect2.c (main): Do prelimnary link on AIX if rflag.
19345 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19347 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19348 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19350 (__do_global_dtors): similarly for __DTOR_LIST__.
19352 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19353 Diego Novillo <dnovillo@cygnus.com>
19355 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19358 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19360 * fixincl/*: Merged "no_bogosity" branch
19361 * fixincl/fixlib.h: protect against doubly defining t_bool
19362 * fixincl/server.h: protect against doubly defining t_bool
19364 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19366 * genoutput.c: Include toplev.h.
19368 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19370 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19372 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19373 * configure: Regenerate.
19375 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19377 * gcse.c (delete_null_pointer_checks): Returns void.
19379 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19381 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19382 * emit-rtl.c (copy_insn_1): Likewise.
19384 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19386 * config/mips/mips.c (mips_build_va_list): Correct
19387 TREE_CHAIN setting when hard-float.
19388 (mips_va_start): Use corrected setting.
19389 (mips_va_arg): Likewise. Also pass a tree to build of
19390 POSTINCREMENT_EXPR rather than a naked 'int'.
19392 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19394 * ggc.h (ggc_push_context): Fix comment.
19395 (ggc_pop_context): Likewise.
19396 (mark_string_if_gcable): Likewise.
19397 * ggc-common.c (ggc_mark_rtx_children): Use
19398 ggc_mark_string_if_gcable.
19399 * ggc-page.c (ggc_lookup_page_table): New function.
19400 (ggc_allocated_p): Likewise.
19401 (mark_obj): Fix formatting.
19402 (ggc_mark_string_if_gcable): New function.
19403 * ggc-simple.c (ggc_allocated_strings): New variable.
19404 (ggc_strings_used): Likewise.
19405 (ggc_compare_addresses): New function.
19406 (ggc_pop_context): Pop the `any' memory too.
19407 (ggc_mark_string_if_gcable): New function.
19408 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19410 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19412 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19413 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19414 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19417 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19419 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19420 (sched_reg_live_length, sched_reg_basic_block): Delete.
19421 (current_block_num, bb_live_regs, old_live_regs): Delete.
19422 (dead_notes, struct sometimes): Delete.
19423 (sched_note_set, birthing_insn_p): Delete.
19424 (adjust_priority): Gut useless reg lifetime code.
19425 (create_reg_dead_note, attach_deaths): Delete.
19426 (attach_deaths_insn, new_sometimes_live): Delete.
19427 (finish_sometimes_live): Delete.
19428 (find_pre_sched_live, find_post_sched_live): Delete.
19429 (update_reg_usage): Delete.
19430 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19431 (schedule_insns): Delete reg lifetime code.
19432 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19433 (unlink_other_notes): Adjust REG_NOTE commentary.
19434 (reemit_notes): Use REG_SAVE_NOTE.
19435 (schedule_block): Likewise.
19436 (schedule_region): Allocate bitmap of blocks in region. Use
19437 count_or_remove_death_notes. Use update_life_info.
19439 * rtl.h (REG_SAVE_NOTE): New.
19440 * rtl.c (reg_note_name): Update.
19442 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19444 * combine.c (refresh_blocks, need_refresh): New.
19445 (combine_instructions): Allocate refresh_blocks. Invoke
19446 update_life_info if needed.
19447 (distribute_notes): Mark refresh_blocks instead of installing
19449 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19450 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19452 * Makefile.in (recog.o): Depend on basic-block.h.
19454 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19456 * genrecog.c (add_to_sequence): Thinko last change: delete
19457 shadowing allow_const_int variable.
19459 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19461 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19462 __GNUC__ and __GNUC_MINOR__.
19464 * gansidecl.h: Likewise.
19470 * toplev.h: Likewise.
19472 * tree.c: Likewise.
19474 * tree.h: Likewise.
19476 * varray.c: Likewise.
19478 * varray.h: Likewise.
19480 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19482 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19483 use one before a jump table.
19485 * rtl.def (ADDRESS): Change documentation to match reality.
19486 * md.texi: Don't document it.
19487 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19490 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19492 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19494 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19495 known predicate block; default allow_const_int true.
19496 (debug_decision_list): New.
19498 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19500 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19502 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19504 * gcse.c (gcse_main): Avoid global optimizations if we have a
19505 large number of basic blocks and the ratio of edges to blocks
19507 (delete_null_pointer_checks): Likewise.
19509 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19511 * c-common.c (check_format_info): Warn if format string isn't a
19514 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19516 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19517 * configure: regenerate
19519 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19521 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19522 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19523 (peepholes): Re-enable.
19525 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19527 * Makefile.in (flow.o): Depend on TREE_H.
19528 * basic-block.h (REG_SET_EQUAL_P): New.
19529 (XOR_REG_SET): New.
19530 (n_edges): Declare.
19531 (free_regset_vector): Remove declaration.
19532 (flow_delete_insn_chain): Declare.
19533 (enum update_life_extent): New.
19534 (update_life_info, count_or_remove_death_notes): Declare.
19535 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19536 Verify register live at bb->global_live_at_start before adding USE.
19537 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19538 (CLEAN_ALLOCA): New.
19540 (PROP_*): New flags.
19541 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19542 (clear_edges): Zero n_edges.
19543 (make_edge): Increment n_edges.
19544 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19545 (flow_delete_insn_chain): Export.
19546 (delete_block): Decrement n_edges.
19547 (merge_blocks_nomove): Likewise.
19548 (life_analysis): Give life_analysis_1 PROP flags.
19549 (verify_wide_reg_1, verify_wide_reg): New.
19550 (verify_local_live_at_start): New.
19551 (update_life_info): Rewrite to call into propogate_block.
19553 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19554 always mark stack pointer. Conditionally mark PIC register.
19555 After reload, mark call-saved registers, return regsiters.
19556 (life_analysis_1): Accept PROP flags not remove_dead_code.
19557 Call mark_regs_live_at_end before zeroing regs_ever_live.
19558 Use calculate_global_regs_live. Copy global_live_at_end before
19559 calling final propagate_block. Zero reg_next_use on exit.
19560 (calculate_global_regs_live): New.
19561 (allocate_bb_life_data): Don't allocate bb->local_set.
19562 (init_regset_vector, free_regset_vector): Remove.
19563 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19564 Test flags before every operation. Warn if prologue/epilogue insn
19565 would have been deleted.
19566 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19567 Use alloc_EXPR_LIST.
19568 (mark_used_regs): Accept and use FLAGS, not FINAL.
19569 Remove special handling for RETURN.
19570 (try_pre_increment): Use alloc_EXPR_LIST.
19571 (dump_flow_info): Dump n_edges.
19572 (unlink_insn_chain, split_hard_reg_notes): Remove.
19573 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19574 (find_insn_with_note, new_insn_dead_notes): Remove.
19575 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19576 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19577 (replace_insns): Remove.
19578 (count_or_remove_death_notes): New.
19579 (verify_flow_info): Abort on error after all checks.
19580 (remove_edge): Decrement n_edges.
19581 (remove_fake_edges): Tweak format.
19582 * haifa-sched.c (schedule_insns): Use split_all_insns.
19583 * output.h (update_life_info): Remove declaration.
19584 * recog.c (split_all_insns): From the corpse of split_block_insns,
19585 do the whole function block by block. Use update_life_info.
19586 (recog_last_allowed_insn): New.
19587 (recog_next_insn): Mind it.
19588 (peephole2_optimize): Set it. Walk backwards through blocks.
19589 Use update_life_info.
19590 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19591 (split_all_insns): Declare.
19592 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19593 Use split_all_insns.
19595 * i386.md (or -1 peep2s): Disable.
19597 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19599 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19600 a single pattern. Scrap the 'd' versions as unnecessary.
19602 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19603 tablejump_mips162,tablejump_internal4): The operands to a
19604 label_ref must be VOIDmode.
19606 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19608 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19610 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19612 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19614 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19616 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19617 cache every function if ggc_p.
19619 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19621 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19622 instead of copy_rtx. Accept sequences that contain asm statements.
19623 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19624 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19625 orig_asm_operands_vector, copy_asm_operands_vector,
19626 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19628 * rtl.h (copy_insn, copy_insn_1): Declare.
19630 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19632 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19634 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19635 arguments to `current_file_function_operand'.
19637 * genrecog.c: Include hard-reg-set.h and resource.h in the
19638 generated output file.
19640 * real.c: Include tm_p.h.
19642 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19644 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19647 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19649 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19650 before the fctiwz insn.
19652 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19653 Mark Mitchell <mark@codesourcery.com>
19655 * tree.c (make_lang_type_fn): New funtion pointer.
19656 (make_lang_type): Call it.
19657 * tree.h (make_lang_type): Declare.
19658 (make_lang_type_fn): Likewise.
19659 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19661 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19663 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19664 make sure that HIGH instructions are copied into BASE_REGS.
19666 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19668 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19670 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19672 * c-decl.c (finish_struct): Use simpler method of
19673 removing elements of a singly-linked list.
19675 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19677 * alpha.md (peephole2's): Comment out peephole2's that generate
19680 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19682 * genrecog.c (add_to_sequence): Disable mode check for
19685 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19687 * ggc-simple.c (init_ggc): Set empty_string.
19689 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19691 * configure.in: Detect mmap. Add --with-gc=foo to select
19692 garbage collector; default to page if mmap available.
19693 * Makefile.in (GGC): Substitute.
19695 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19697 * c-decl.c (ggc_p): Enable.
19699 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19701 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19703 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19705 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19706 string for little-endian-data.
19708 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19710 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19711 case somebody tries to compile --enable-checking code with gcc
19714 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19716 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19719 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19721 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19722 * jump.c (jump_optimize_1): Document why.
19724 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19726 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19727 pointers and casts for `int_handler' and `quit_handler'.
19729 * flow.c (verify_flow_info, split_hard_reg_notes,
19730 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19731 remove_edge, remove_fake_successors): Add static prototypes.
19732 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19733 (mark_set_1): Initialize variable `regno'.
19734 (unlink_insn_chain): Likewise for variable `curr'.
19735 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19737 * loop.c (strength_reduce): Initialize variable
19738 `unrolled_insn_copies'.
19739 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19740 prototypes. Change these functions to take const PTR parameters
19741 to avoid prototype conflict when used as the comparson argument
19743 (check_dbra_loop): Initialize variable `comparison_val'.
19745 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19746 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19747 (find_valid_class): Initialize variable `best_class'.
19748 (find_reloads): Call memcpy, not bcopy.
19750 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19751 (hard_reg_use_compare): Don't needlessly cast away const.
19752 (reload_reg_class_lower): Likewise.
19753 (choose_reload_regs): Initialize variable `regno'.
19755 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19757 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19759 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19761 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19762 ({,d}discard): Add forward declarations. Declare parameter as
19764 (main_without_main): Explicitly declare return type to be int.
19765 (memcpy): Properly declare.
19767 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19768 building the trampoline support, declare malloc, free, and
19770 (__clear_cache): Mark arguments as potentially unused.
19772 * frame.c (toplevel): If inhibit_libc is defined, declare
19775 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19777 * flow.c (make_edge): Accept an optional 2D bitmap in which
19778 to cache edge existence. Update all callers.
19779 (make_label_edge, make_eh_edge): Pass through the edge cache.
19780 (make_edges): Provide the cache.
19782 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19784 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19786 (local_mbtowc): Change the type of variable `i' from int to size_t.
19788 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19789 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19791 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19793 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19794 after other includes that define the appropriate types. Include
19795 tm_p.h for getting user prototypes.
19796 * ggc-callbacks.c (toplevel): Ditto.
19797 * ggc-none.c (toplevel): Ditto.
19798 * gcc-page.c (toplevel): Ditto.
19799 * ggc-simple.c (toplevel): Ditto.
19801 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19802 Jonathan Larmour <jlarmour@cygnus.co.uk>
19804 * config/mips/mips.c (mips_move_2words): Split doubles if
19805 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19807 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19809 * genrecog.c (struct decision_test): New.
19810 (struct decision): Remove test-related members, sort the rest by size.
19811 (IS_SPLIT): Simplify.
19812 (new_decision, new_decision_test): New.
19813 (add_to_sequence): Use them. No special handling for args of
19815 (maybe_both_true): Renamed from not_both_true; return sense changed.
19816 (maybe_both_true_1, maybe_both_true_2): New. Broken out
19817 of maybe_both_true and adjusted for decision_test.
19818 (position_merit): Remove.
19819 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
19820 (merge_accept_insn): New, broken out of merge_trees.
19821 (merge_trees): Use them. No special case for c_test; no node
19822 splitting; use test type instead of position_merit.
19823 (factor_tests): New.
19824 (simplify_tests): New.
19825 (break_out_subroutines): Don't write code now.
19826 (find_afterward): New.
19827 (write_afterward, write_switch, write_cond): New.
19828 (write_action, is_unconditional): New.
19829 (write_node): New. Use them.
19830 (write_tree_1): Rewrite. Use the new functions above.
19831 (write_tree): Remove afterward processing.
19832 (write_subroutine): Simplify function variant emission.
19833 (write_subroutines): New.
19834 (same_codes, clear_codes): Remove.
19835 (same_modes, clear_modes): Remove.
19836 (write_header): New, broken out of main.
19837 (make_insn_sequence): Use new_decision and new_decision_test.
19838 (process_tree): New, broken out of main.
19839 (main): Adjust for merge_trees interface change.
19840 Don't #define operands in the output file.
19841 (record_insn_name): New, broken out of make_insn_sequence.
19842 (debug_decision_2, debug_decision_1, debug_decision_0): New.
19843 (debug_decision): New.
19845 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
19847 * resource.c (find_free_register): Mark class_str argument const.
19848 * resource.h: Update prototype to match.
19850 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
19851 * i386.md: Give all anonymous insns names.
19853 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
19855 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
19858 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
19860 * toplev.c (dbr_sched_time): Unconditional.
19861 (peephole2_time): New.
19862 (compile_file): Add pass numbers to all of the dump file suffixes.
19863 Dump peephole2_time. Don't dump times for non-applicable passes.
19864 (rest_of_compilation): Add pass numbers to dump file suffixes.
19865 Conditionalize calls to the scheduler.
19866 * invoke.texi: Update.
19868 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
19870 * flow.c (make_edges): Fix insn iteration.
19871 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
19872 (find_basic_blocks_1): Fix spelling mistake.
19874 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
19876 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
19877 always have side-effects. Use memset not bzero.
19878 (make_node): Likewise.
19880 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
19882 * stmt.c (expand_anon_union_decl): When any of the elements of the
19883 union is addressable, so is the entire union.
19885 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
19887 * sbitmap.c (sbitmap_ones): Don't set too many bits.
19889 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
19890 * bitmap.c (bitmap_operation): Return true iff TO changed.
19891 (bitmap_equal_p): New.
19892 (bitmap_bit_p): Tidy arithmetic.
19893 (debug_bitmap_file): Likewise.
19895 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
19897 * toplev.c (rest_of_compilation): Turn on cse_not_expected
19898 before cse2 instead of after.
19900 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
19902 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
19905 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19907 * cppinit.c (is_idchar initializer): Loosen tests to accept
19910 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
19912 * mips.md: Define conditional move patterns for floating point
19913 operands and DI mode conditions.
19915 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
19917 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
19918 always have side-effects.
19920 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
19922 * mn10200.c (asm_file_start): Fix typo.
19924 * cppinit.c (is_idchar initializer): Tighten tests for when
19925 to put the table into initialized memory.
19927 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
19928 not an array of rtunion.
19929 * gcc-page.c (ggc_alloc_rtvec): Similarly.
19930 * gcc-simple (ggc_free_rtvec): Similarly.
19932 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
19935 * mbchar.h: Add missing #endif.
19937 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
19938 (FPBIT, DPBIT): Define.
19940 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19942 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
19944 * profile.c (instrument_arcs, output_gcov_string,
19945 tablejump_entry_p): Add static prototypes.
19946 (output_gcov_string): Constify a char*.
19948 * regmove.c (replacement_quality, fixup_match_2): Add static
19951 * resource.h (reg_dead_p): Add extern prototype.
19953 * rtl.c (trim_filename): Add static prototype.
19955 * scan-decls.c (skip_to_closing_brace): Likewise.
19957 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
19958 (expand_end_case): Initialize variable `range'.
19959 (emit_case_nodes): Remove unused prototype `rtx_fn'.
19961 * varasm.c (asm_emit_uninitialised): Add static prototype.
19962 (asm_emit_uninitialised, assemble_variable): Mark parameter with
19965 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19967 * cpplib.c (if_directive_nameo): Add static prototype.
19969 * cse.c (cse_insn): Remove unused variable `p'.
19971 * except.c (create_rethrow_ref, push_entry,
19972 receive_exception_label, new_eh_region_entry, find_func_region,
19973 clear_function_eh_region, process_nestinfo): Add static prototypes.
19974 (get_reg_for_handler): Hide definition.
19975 (process_nestinfo): Initialize variable `extra_handlers'.
19977 * expr.h (expand_builtin_longjmp): Add extern prototype.
19979 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
19981 * function.c (prepare_function_start): Likewise.
19982 (pop_function_context_from): Mark parameter `context' with
19984 (push_temp_slots_for_block, flush_addressof): Hide definition.
19986 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
19987 solve_program_flow_graph, calculate_branch_probs,
19988 function_summary, main, fancy_abort): Add prototypes.
19990 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
19991 (add_hash): Constify a char*.
19993 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
19994 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
19995 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
19997 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
19999 * lists.c (free_list, zap_lists): Likewise.
20001 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20003 * alias.c (nonlocal_reference_p): Add static prototype.
20005 * bitmap.c (bitmap_element_allocate): Prototype args in function
20008 * builtins.c (stabilize_va_list): Add static prototype.
20009 (expand_builtin_va_arg): Constify a char*.
20011 * c-lex.c (getch, put_back, extend_token_buffer_to,
20012 read_line_number, token_getch, token_put_back): Add static
20015 * c-parse.gperf (hash, is_reserved_word): Likewise.
20017 * cccp.c (is_dir_separator): Likewise.
20019 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20021 * graph.h: New file to prototype functions exported by graph.c.
20023 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20025 * graph.c: Include graph.h.
20027 * toplev.c: Likewise. Remove redundant prototypes.
20029 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20031 * invoke.texi: Removed duplicated description for -Q.
20033 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20035 * extend.texi: Grammar fix in __extension__ text.
20037 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20039 * md.texi (define_peephole2): New section.
20041 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20043 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20044 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20047 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20049 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20051 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20053 * i386.md (ffs expander): Emit Pentium friendly code for
20056 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20058 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20060 (build1): Likewise.
20062 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20064 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20066 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20068 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20069 register is in use.
20071 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20073 * md.texi (No Constraints): Delete section.
20074 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20075 * final.c (final_scan_insn): We always have register constraints.
20076 * genattrtab.c: Don't include "insn-config.h".
20077 (write_attr_case): We always have register constraints.
20078 * genconfig.c (register_constraint_flag): Delete.
20079 (walk_insn_part): Don't check whether we have register constraints.
20080 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20081 * genoutput.c (have_constraints): Delete.
20082 (main): Don't set it.
20083 (output_operand_data): We always have constraints.
20084 (scan_operands): Likewise.
20085 (compare_operands): Likewise.
20086 * local-alloc.c (block_alloc): We always have constraints.
20087 (requires_inout): Always compile this function.
20088 * recog.c (extract_insn): We always have constraints.
20089 (constrain_operands, reg_fits_class_p): Always compile these
20091 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20093 (struct insn_operand_data): Likewise.
20094 * regclass.c (regclass): We always have constraints.
20095 (record_reg_classes, copy_cost, record_address_regs,
20096 auto_inc_dec_reg_p): Always compile these functions.
20097 * regmove.c (regmove_optimize): We always have constraints.
20098 * reload.c (find_reloads): Likewise.
20099 * reload1.c (reload): Likewise.
20100 (reload_cse_simplify_operands): Likewise.
20101 * i860.c (output_delay_insn): Likewise.
20103 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20105 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20107 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20109 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20110 for the va_list record.
20112 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20114 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20117 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20119 * alias.c: Include insn-flags.h.
20120 * Makefile.in (alias.o): Update.
20122 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20124 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20125 to LTU and GEU. Handle more cases using sbb.
20127 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20129 * i386.md (truncatexfdf splitters): Do not use subreg.
20130 (fop XFmode patterns): Fix mode in operand testing.
20132 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20134 * jump.c (jump_optimize_1): Amend last change to test only the
20135 form of the operand, not the insn.
20137 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20138 not register_operand to determine when B may need preloading.
20140 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20142 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20143 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20144 (call-value patterns): Move to end of file.
20145 (*): Remove mode from label_ref in (pc) context.
20146 (movstrqi): Use memory not general_operand for BLKmode operands.
20147 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20148 to register_operand operands.
20149 (peep2 patterns): Convert from commented-out peephole patterns.
20151 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20153 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20154 to BUILT_IN_INIT_DWARF_REG_SIZES.
20155 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20156 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20157 expand_builtin_init_dwarf_reg_sizes.
20158 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20159 with __builtin_init_dwarf_reg_size_table.
20160 * dwarf2out.c (struct reg_size_range): Delete.
20161 (expand_builtin_init_dwarf_reg_sizes): New function.
20162 (expand_builtin_dwarf_reg_size): Delete.
20163 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20164 (expand_builtin_dwarf_reg_size): Don't declare.
20165 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20166 (dwarf_reg_size_table): New.
20167 (init_reg_size_table): New function.
20168 (copy_reg): Use dwarf_reg_size_table.
20169 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20172 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20174 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20175 Correctly build argument list to constructor and destructor functions.
20177 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20179 * c-tree.h (warn_float_equal): Declare.
20180 * c-decl.c (warn_float_equal): Define.
20181 (c_decode_option): Recognize -W[no-]float-equal.
20182 * c-typeck.c (build_binary_op): Conditionally warn
20183 about equality tests of floating point types.
20184 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20185 * invoke.texi: Add docs for -Wfloat-equal warning.
20187 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20189 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20190 generating RTL directly.
20191 * mips.h (INIT_TARGET_OPTABS): Likewise.
20192 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20194 * expr.h (init_mov_optab): Delete declaration
20196 * h8300.c (WORD_REG_USED): Update to avoid useless register
20197 saves in interrupt functions and functions which never return.
20199 * cse.c (struct set): Delete inner_dest_loc field.
20200 (cse_insn): Remove assignments to inner_dest_loc field.
20202 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20204 * ggc-page.c: Don't include <unistd.h> etc taken care of
20205 by "system.h". Include <sys/mman.h> afterward.
20207 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20209 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20212 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20214 * xcoffout.c (xcoffout_declare_function): Add documentation.
20215 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20216 TARGET_64BIT. Compare constant to -1, not bit pattern.
20217 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20218 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20221 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20223 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20224 origin_die is NULL.
20225 (gen_inlined_enumeration_type_die): Do not abort if the type has
20226 not been writeen out.
20227 (gen_inlined_structure_type_die): Do not abort if the type has
20228 not been writeen out.
20229 (gen_inlined_union_type_die): Do not abort if the type has
20230 not been writeen out.
20231 (gen_tagged_type_instantiation_die): Do not abort if the type
20232 has not been written out.
20234 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20236 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20238 * reg-stack.c (straighten_stack): Copy hard reg set with
20241 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20243 * builtins.c (stabilize_va_list): Stabilize array type va_list
20244 to a pointer type, not the base record type.
20245 (expand_builtin_va_copy): Dereference the pointers explicitly;
20246 use the correct size for the copy.
20248 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20249 (rs6000_va_arg): Likewise.
20251 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20253 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20255 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20257 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20259 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20261 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20263 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20264 (init_ggc): Use it instead of a constant.
20265 (ggc_collect): Bound allocated_last_gc by it.
20267 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20269 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20272 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20274 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20275 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20276 * configure: Regen.
20277 * config/mips/openbsd.h: New, OpenBSD little endian target.
20278 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20279 * config/mips/xm-openbsd.h: New, OpenBSD host.
20281 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20283 * config/m68k/m68k.c (output_function_prologue,
20284 output_function_epilogue): Use
20285 current_function_uses_pic_offset_table instead of regs_ever_live
20286 to decide whether to save/restore pic register.
20287 (legitimize_pic_address): Don't modify regs_ever_live any more.
20289 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20291 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20292 * stor-layout.c (variable_size): Don't add sizes to the pending
20293 sizes list if x_dont_save_pending_sizes_p is set.
20295 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20297 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20298 for symbolic_operand().
20299 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20301 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20303 * combine.c (gen_rtx_combine): Add missing call to va_end().
20305 * final.c (asm_fprintf): Likewise.
20307 * genattrtab.c (attr_rtx): Likewise.
20309 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20311 * cse.c: Update comments.
20312 (cse_insn): When converting a conditional/computed jump into
20313 an unconditional jump, always make sure a BARRIER immediately
20314 follows the converted jump. Do not delete unreachable code.
20315 (cse_basic_block): Do not delete unreachable code.
20316 * toplev.c (rest_of_compilation): Move call to
20317 delete_trivially_dead_insns after the conditional call to
20320 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20322 * collect2.c (make_temp_file): Don't prototype.
20324 * gcc.c (make_temp_file): Likewise.
20326 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20328 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20330 * varasm.c (asm_emit_uninitialised): New function: Generate
20331 the assembler statements necessary to declare an uninitialised
20333 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20335 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20336 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20338 (assemble_variable): Use asm_emit_uninitialised to emit an
20339 uninitialised variable.
20341 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20343 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20344 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20345 <geoffk@cygnus.com>.
20347 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20349 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20350 * c-common.h (builtin_function): Don't declare.
20352 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20354 (pushdecl): Likewise.
20355 (finish_decl): Likewise.
20356 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20357 int. All callers changed.
20358 Set the builtin's DECL_BUILT_IN_CLASS.
20359 * tree.h (enum built_in_class): New.
20360 (enum built_in_function): Delete NOT_BUILT_IN.
20361 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20363 (DECL_SET_FUNCTION_CODE): Likewise.
20364 (DECL_BUILT_IN_CLASS): New macro.
20365 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20366 (struct tree_decl): Split builtin function code field into a
20368 (builtin_function): Declare.
20370 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20372 * optabs.c (init_traps): Fix typo in last change.
20374 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20376 * toplev.c (rest_of_decl_compilation): Update comment.
20378 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20380 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20381 in .sbss if appropriate.
20382 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20383 (SBSS_SECTION_ASM_OP): New macro.
20384 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20385 (EXTRA_SECTIONS): Add in_sbss.
20386 * config/mips/mips.h: Prototype sbss_section.
20388 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20390 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20393 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20395 * optabs.c (init_traps): Register trap_rtx as a GC root.
20397 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20399 * config/mips/mips.c (function_arg_pass_by_reference): Define
20400 unconditionally, since it's called unconditionally.
20402 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20404 * toplev.c (documented_lang_options): Add -fshort-wchar.
20405 * c-decl.c (c_decode_option): Likewise.
20406 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20408 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20409 * gcc.c (default_compilers): If -fshort-wchar,
20410 override __WCHAR_TYPE__.
20411 * tm.texi (C Dialect Options): Add -fshort-wchar.
20413 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20414 symbol for a variable.
20416 * cpplib.h (CPP_PREPROCESSED): New macro.
20417 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20418 we're seeing this input for a second time.
20420 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20422 * emit-rtl.c (init_emit_once): Initialize modes first.
20424 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20426 * config/i386/i386.c (pic_label_name): Change to char pointer.
20427 (global_offset_table): New variable.
20428 (load_pic_register): Fill global_offset_table if it hasn't
20429 already been done. Allocate pic_label_name dynamically.
20430 * ggc.h (empty_string): New variable.
20431 * ggc-simple.c (empty_string): Likewise.
20432 (init_ggc): Allocate empty_string and add as root.
20433 * stmt.c (digit_strings): New variable.
20434 (init_stmt): Add last_block_end_note as root. Allocate and
20435 initialize digit_strings.
20436 (expand_asm_operands): Use empty_string instead of string
20437 constant. Use digit_strings instead of string constants.
20438 * profile.c (init_arc_profiler): Allocate string with
20439 ggc_alloc_string instead of xmalloc.
20440 (output_func_start_profiler): Likewise.
20441 * c-typeck.c (digest_init): Check if init is error_mark_node.
20443 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20444 Richard Henderson <rth@cygnus.com>
20446 * ggc-page.c: New file.
20447 * Makefile.in (ggc-page.o): New.
20449 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20451 * invoke.texi: Document -fdelete-null-pointer-checks
20452 * toplev.c (flag_delete_null_pointer_checks): New.
20453 (f_options): Add entry for -fdelete-null-pointer-checks.
20454 (rest_of_compilation): Conditionalize null pointer check
20455 elimination on flag_delete_null_pointer_checks.
20456 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20458 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20460 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20461 copyright notice and special exception to GPL.
20463 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20465 * abi64.h (mips_function_value): Add prototype arguments.
20467 * mips-protos.h: New file with mips prototypes.
20469 * mips.c: Include "tm_p.h".
20470 (mktemp, lookup_name): Add prototype arguments.
20471 (extern_list, string_constant, mips_fill_delay_slot,
20472 mips_output_external, mips_output_external_libcall,
20473 mips_output_filename, mips_declare_object, function_prologue,
20474 mips_expand_prologue, function_epilogue, mips16_constant,
20475 build_mips16_function_stub, mips_output_conditional_branch):
20477 (mips_va_start): Remove unused variable `u'.
20478 (mips_va_arg): Cast value to unsigned when comparing against one.
20480 (save_restore_insns, mips_expand_prologue): Add missing arg in
20481 call to `large_int'.
20483 * mips.h: Move prototypes to mips-protos.h.
20484 (data_section, memory_address_p, rdata_section,
20485 readonly_data_section, simple_epilogue_p, text_section): Delete
20486 prototypes delcared elsewhere.
20487 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20489 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20491 * mips.md: Delete extra args in call to `mips_move_2words'.
20493 * xm-iris6.h (alloca): Add prototype argument.
20495 * genpeep.c: Include "tm_p.h" in generated output file.
20497 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20499 * basic-block.h (find_edge_index): Change parameters.
20500 * flow.c (verify_edge_list): Pass basic_block parameters to
20501 find_edge_index instead of integers.
20503 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20505 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20508 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20510 * gcc.1: Fix a formatting error.
20512 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20514 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20515 i786, mn10200, mn10300, pdp11, v850.
20517 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20519 * libgcc2.c (num_digits): Add prototype with
20520 __attribute__((const)).
20521 (__terminate): Add prototype.
20523 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20525 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20527 * alpha/alpha.c (print_operand): Fix type of `code'.
20528 (alpha_output_filename): Constify.
20529 * alpha/alpha.h: Move all function declarations ...
20530 * alpha/alpha-protos.h: ... here. New file.
20531 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20532 (SECTION_FUNCTION_TEMPLATE): Likewise.
20534 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20536 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20537 * expr.c (expand_expr): Likewise.
20538 (do_jump): Likewise.
20539 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20540 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20542 (enum can_compare_purpose): New.
20543 (can_compare_p): Adjust prototype.
20544 (prepare_cmp_insn, prepare_operand): Declare.
20545 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20546 * optabs.c (cmp_available_p): Deleted.
20547 (expand_abs): Pass ccp_jump to can_compare_p.
20548 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20549 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20550 Call can_compare_p rather than cmp_available_p.
20551 (prepare_operand): No longer static.
20552 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20553 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20554 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20555 sequence to use emit_cmp_and_jump_insns.
20556 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20558 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20560 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20561 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20562 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20563 (plus (reg) (const_int 0))
20564 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20566 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20568 * rs6000.c (expand_block_move): DImode loads and stores require
20569 word-aligned displacements. Increment address registers with
20570 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20572 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20574 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20575 is no name for the base type, rather than segfault. If we are
20576 writing out a complex integer type, use DW_ATE_lo_user.
20578 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20579 in one word or less (complex char, complex short, or on 64 bit
20580 systems complex float) to/from a hard register, copy it through
20581 memory instead of dying in gen_{real,imag}part. If we have a
20582 short complex type, prevent inlining since it allocates stack
20585 * tree.c (build_complex_type): If we are writing dwarf2 output,
20586 generate a name for complex integer types.
20588 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20590 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20591 * flow.c (remove_edge): Remove extra whitespace.
20592 (remove_fake_edges): Fix comment.
20593 (add_noreturn_fake_exit_edges): Use the correct name.
20595 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20597 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20598 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20599 (clean): Depend on INTL_CLEAN.
20600 (maintainer-clean): Adjust.
20602 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20604 * configure.in (AC_PREREQ): Bump to 2.13.
20605 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20607 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20609 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20611 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20613 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20614 (HAVE_STRINGIZE): Define.
20616 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20618 * c-parse.in: save and restore warn_pointer_arith on __extension__
20619 along with pedantic.
20620 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20621 Set the type of extension to itype rather than $<itype>1 kludge.
20622 * extend.texi (Alternate Keywords): Adjust documentation.
20623 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20625 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20627 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20628 most assembler templates.
20630 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20631 FP loads and stores.
20632 (following_call): Always return zero for the PA8000.
20633 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20634 FP loads and stores.
20635 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20637 * pa.h (BRANCH_COST): Define.
20639 * pa.md (return, return_internal): Use bve for PA2.0.
20641 * pa.md (fused multiply): Add variants which reduce height for the
20642 fused multiply, but which still generate 2 insns.
20643 (fnegabs): Similarly.
20645 * pa.md (subsi3): Turn into an expander. Create two anonymous
20646 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20647 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20649 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20651 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20653 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20654 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20656 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20659 * flow.c (record_active_eh_regions): Terminate loop after finding
20660 the last insn in the last basic block.
20662 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20664 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20666 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20668 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20670 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20672 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20673 splitting to not use output template.
20675 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20677 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20678 * config/c4x/c4x.c (c4x_va_start): New function.
20680 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20682 * genrecog.c (not_both_true): Handle correctly cases when called for
20683 tests with different positions in the insn.
20685 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20687 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20689 * system.h (HOST_PTR_PRINTF): ... to here.
20691 * mips-tfile.c: Don't include machmode.h.
20693 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20694 (mips-tfile.o): Don't depend on machmode.h.
20696 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20698 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20699 avoid conflicts with typedef struct `region' at the top level scope.
20701 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20703 * basic-block.h (basic_block): Add eh_beg, eh_end.
20704 * flow.c (entry_exit_blocks): Update.
20705 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20706 Call new functions.
20707 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20708 lists.c functions to allocate insn lists.
20709 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20711 (make_eh_edge): ... here. New.
20712 (move_stray_eh_region_notes): New.
20713 (record_active_eh_regions): New.
20714 (delete_unreachable_blocks): Split out block merging ...
20715 (try_merge_blocks): ... here. New.
20716 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20717 Dump debugging data.
20718 (merge_blocks_move_successor_nojumps): Likewise.
20719 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20721 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20723 * extend.texi (Bound member functions): Document unbound pmf
20726 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20728 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20729 has the EXIT_BLOCK as a dest.
20731 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20733 * flow.c (remove_edge): New function to remove an edge from the
20735 (remove_fake_successors): New function to remove fake successor edges.
20736 (remove_fake_edges): New function to remove all fake edges from the
20738 (add_fake_exit_edges): New function to add fake edges from all blocks
20739 with no successors to the exit block.
20740 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20741 prototypes for new functions.
20743 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20745 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20746 Use Pmode to determine whether to output .dword or .word.
20748 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20750 * tree.c (built_in_filename): New variable.
20751 (BUILT_IN_FILENAME): New macro.
20752 (init_tree_codes): Allocate built_in_filename.
20753 (make_node): Use built_in_filename instead of string constant.
20755 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20757 * configure.in: Add fr30 target.
20758 * configure: Regenerate.
20759 * config/fr30: New directory.
20760 * config/fr30/crti.asm: New file.
20761 * config/fr30/fr30.c: New file.
20762 * config/fr30/crtn.asm: New file.
20763 * config/fr30/fr30.h: New file.
20764 * config/fr30/fr30.md: New file.
20765 * config/fr30/lib1funcs.asm: New file.
20766 * config/fr30/t-fr30: New file.
20767 * config/fr30/xm-fr30.h: New file.
20769 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20771 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20772 BARRIER at the end of the successor, not the BARRIER before
20775 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20777 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20779 * stmt.c (any_pending_cleanups): Don't crash when
20780 current_function->stmt is unset.
20782 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20784 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20785 other initializations that may use it for relative offsets.
20787 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20789 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20790 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20791 * config/i386/sol2dbg.h: Removed.
20792 * config/i386/sol2gas.h: New file, to enable gas work-around.
20793 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20794 Don't use sol2dbg.h.
20795 * configure: Rebuilt.
20797 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20799 * invoke.texi (-fthis-is-variable): Remove documentation.
20801 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20803 * basic-block.h (compute_bb_for_insn): Declare.
20804 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20805 to use; set size of basic_block_for_insn directly.
20806 (find_basic_blocks): Update.
20808 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20810 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
20812 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20814 * crtstuff.c (ON_EXIT): Delete empty macro definition.
20815 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
20817 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
20819 * c-decl.c (c_decode_option): Extend comment.
20821 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
20823 * toplev.c (progname): Make 'const char *'
20824 (flag_print_mem): Move out of main.
20825 (version_flag): Move out of main.
20826 (filename): Move out of main.
20827 (debug_args): Remove g prefix from options.
20828 (documented_lang_options): Remove cpplib specific options.
20829 (display_help): Add g prefix to debug options.
20830 (check_lang_option): Delete this function.
20831 (decode_d_option): New function: Decode -d... option.
20832 (decode_f_option): New function: Decode -f... option.
20833 (decode_W_option): New function: Decode -W... option.
20834 (decode_g_option): New function: Decode -g... option.
20835 (independent_decode_option): New function: Decode a language
20836 independent command line option.
20837 (main): Invoke lang_decode_option and then
20838 independent_decode_option on each command line option in
20841 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
20843 Revert this change. Gavin's patch to operand_equal_p is a better fix.
20844 * fold-const.c (fold_range_test): Do not try to fold the range
20845 test if the rhs or lhs has side effects.
20847 * basic-block.h (compute_flow_dominators): Declare.
20849 * gcse.c (alloc_code_hoist_mem): New function.
20850 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
20851 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
20852 (hoist_code, one_code_hoisting_pass): Likewise.
20853 (gcse_main): If optimizing for size, then hoist expressions
20854 computed in multiple dominated basic blocks.
20856 * gcse.c (invalid_nonnull_info): New function.
20857 (delete_null_pointer_checks): Likewise.
20858 * rtl.h (delete_null_pointer_checks): Declare.
20859 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
20861 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
20862 (merge-blocks_move_successor_nojumps): Likewise.
20863 (merge_blocks): Allow merging of some blocks, even if it requires
20864 physical movement of the blocks, but not if it requires new jumps.
20866 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
20867 Callers and prototype changed.
20868 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
20870 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20872 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
20873 -YP when both -p and -pg are present. From i386/sol2.h.
20875 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20877 * Makefile.in (distclean): Delete tm_p.h.
20878 * configure.in: Create a new file, "tm_p.h", from a list in
20879 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
20880 "i386/i386-protos.h".
20882 * alias.c: Include "tm_p.h".
20883 * c-typeck.c: Likewise.
20884 * calls.c: Likewise.
20886 * emit-rtl.c: Likewise.
20887 * explow.c: Likewise.
20888 * expmed.c: Likewise.
20889 * expr.c: Likewise.
20890 * final.c: Likewise.
20891 * flow.c: Likewise.
20892 * fold-const.c: Likewise.
20893 * function.c: Likewise.
20894 * gcse.c: Likewise.
20895 * global.c: Likewise.
20896 * haifa-sched.c: Likewise.
20897 * integrate.c: Likewise.
20898 * jump.c: Likewise.
20899 * local-alloc.c: Likewise.
20900 * loop.c: Likewise.
20901 * optabs.c: Likewise.
20902 * recog.c: Likewise.
20903 * reg-stack.c: Likewise.
20904 * regclass.c: Likewise.
20905 * regmove.c: Likewise.
20906 * reload.c: Likewise.
20907 * reload1.c: Likewise.
20908 * reorg.c: Likewise.
20909 * resource.c: Likewise.
20910 * stmt.c: Likewise.
20911 * stor-layout.c: Likewise.
20912 * toplev.c: Likewise.
20913 * tree.c: Likewise.
20914 * unroll.c: Likewise.
20915 * genattrtab.c (main): Make generated file include "tm_p.h".
20916 * genemit.c (main): Likewise.
20917 * genoutput.c (main): Likewise.
20918 * genrecog.c (main): Likewise.
20920 * i386.h: Delete all prototypes.
20921 * i386.c: Include "tm_p.h".
20922 (ix86_attr_length_default): Call constant_call_address_operand
20923 with correct number of arguments.
20924 * i386-protos.h: New file.
20925 * i386.md (unnamed patterns): Call constant_call_address_operand
20926 with correct number of arguments.
20927 (exception_receiver): Call load_pic_register with correct number
20930 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
20932 * c-pragma.c (mark_align_stack): Dereference the void* properly.
20934 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
20936 * rtl.h (insns_safe_to_move_p): New function.
20937 * loop.c (find_and_verify_loops): Use it.
20938 * rtlanal.c (insns_safe_to_move_p): Define it.
20940 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
20942 * c-pragma.c: Include ggc.h.
20943 * Makefile.in (c-pragma.o): Update.
20945 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20947 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
20948 (LIB_SPEC): Likewise.
20949 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
20950 Reindent -YP/-p/-pg.
20951 Copied from config/sparc/sol2.h.
20953 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
20955 * c-pragma.c (mark_align_stack): New.
20956 (init_pragma): New.
20957 * c-pragma.h (init_pragma): Declare it.
20958 * c-lex.c (init_parse): Call it.
20960 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20962 * configure.in: Pick up thread library on Solaris/x86 just
20963 like on Solaris/sparc.
20964 * configure: Rebuilt.
20966 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
20968 * rtl.h (global_rtx_index): New enum.
20969 (global_rtl): Change to array of rtx.
20970 (pc_rtx, cc0_rtx): Redefine accordingly.
20971 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
20972 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
20973 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
20974 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
20975 (const_int_rtx): Change to array of rtx.
20976 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
20978 * emit-rtl.c (global_rtl): Change to array of rtx.
20979 (const_int_rtx): Change to aray of rtx.
20980 (gen_rtx_CONST_INT): Redefine accordingly.
20981 (init_emit_once): Allocate and initialize global_rtl. Likewise
20982 for const_int_rtx. Add both as GC roots.
20983 * genattrtab.c (global_rtl): Update declaration.
20985 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
20987 * Makefile (USER_H): Add iso646.h back.
20989 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
20991 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
20992 zapping the LOG_LINKS of sched_before_next_call.
20994 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
20995 * pa.c (insn_refs_are_delayed): Renamed from
20996 insn_sets_and_refs_are_delayed.
20998 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21000 * functiion.h (struct function): Add x_whole_function_mode_p.
21001 (retrofit_block): Declare.
21002 * function.c (retrofit_block): New function.
21003 (identify_blocks): Add assertions. Allow an incomplete set of
21004 block notes if we're still generating code for the function.
21005 * integrate.c: Include loop.h.
21006 (expand_inline_function): Call find_loop_tree_blocks to map block
21007 notes to blocks when in whole-function mode. Use retrofit_block
21008 to insert new BLOCKs for the inlined function, rather than
21010 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21011 * Makefile.in (integrate.o): Depend on loop.h.
21013 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21015 * tree.h (warn_about_unused_variables): Declare.
21016 * stmt.c (warn_about_unused_variables): New function, split out
21018 (expand_end_bindings): Here.
21020 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21022 * stmt.c (preserve_subexpressions_p): Don't crash when
21023 current_function->stmt is unset.
21025 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21027 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21028 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21029 (expand_start_target_temps): Use it.
21030 * except.c (expand_eh_region_start_for_decl): Likewise.
21031 * expr.c (expand_expr): Likewise.
21033 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21035 * fold-const.c (operand_equal_p): Pay attention to side effects.
21037 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21039 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21040 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21042 * tlink.c (scan_linker_output): Look for keywords before accepting
21043 a mangled name in quotes.
21045 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21047 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21048 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21050 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21052 * alpha.md: Revert Thu Nov 26 change that came in through the
21053 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21054 Avoid earlyclobber when possible.
21056 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21058 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21060 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21061 Define HAVE_ON_EXIT.
21063 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21065 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21066 CTYPE_CONV in all ctype macros.
21068 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21071 * cexp.y (initialize_random_junk): Likewise.
21073 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21075 * i370.c (handle_pragma): Likewise.
21077 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21079 * v850.c (override_options): Likewise.
21081 * doprint.c (_doprnt): Likewise.
21083 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21086 * fixinc/server.c (load_data): Likewise.
21088 * fold-const.c (real_hex_to_f): Likewise.
21090 * genattr.c (write_upcase, gen_attr): Likewise.
21092 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21093 write_upcase): Likewise.
21095 * genemit.c (print_code): Likewise.
21097 * genopinit.c (gen_insn): Likewise.
21099 * genpeep.c (print_code): Likewise.
21101 * genrecog.c (print_code): Likewise.
21103 * optabs.c (init_libfuncs): Likewise.
21105 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21107 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21109 (reemit_notes): Likewise.
21111 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21113 * ggc.h (ggc_root): Move to ggc-common.c.
21115 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21116 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21117 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21118 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21119 * ggc-common.c (ggc_root): Move from ggc.h.
21120 (roots): Declare, static.
21121 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21122 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21123 null or check/set mark bit.
21124 (ggc_mark_roots): New.
21125 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21127 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21129 * m32r.c: Include toplev.h.
21130 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21131 (gen_compare): Rename swap_p to must_swap to match uses.
21132 Add default abort case.
21133 (m32r_output_function_epilogue): Remove unused variables.
21134 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21135 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21136 define to empty parameter list. Update all uses.
21137 (predicate decls): Use enum machine_mode not int.
21138 * m32r.md (movsi): Call abort, not fatal_insn.
21139 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21141 1999-09-14 Andrew Haley <aph@cygnus.com>
21143 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21144 use $0 instead of 0.
21146 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21148 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21149 computation out of loop over hard regs.
21151 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21153 * function.c (identify_blocks): Don't shadow a variable in an
21155 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21156 pushdecl, or poplevel to build up the new BLOCK tree.
21157 (expand_inline_function): Likewise.
21158 (integrate_parm_decls): Likewise.
21160 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21162 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21164 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21166 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21167 * invoke.texi: Document this change.
21169 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21171 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21173 (mark_emit_status): Renamed from mark_emit_state.
21174 * except.c (mark_eh_status): Renamed from mark_eh_state.
21175 Check not null before marking.
21176 (free_eh_status): New.
21177 * expr.c (mark_expr_status, free_expr_status): New.
21178 * function.c (free_machine_status): New.
21179 (free_after_parsing): New.
21180 (free_after_compilation): Move bits to free_after_parsing; call
21181 free_eh_status, free_expr_status; zero the marked members of the
21183 (prepare_function_start): No can_garbage_collect.
21184 Call init_eh_for_function.
21185 (expand_dummy_function_end): Free up current_function state.
21186 (mark_function_status): Renamed from mark_function_state.
21187 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21188 * function.h (struct function): No can_garbage_collect.
21189 (free_machine_status, free_after_parsing): Declare.
21190 (free_eh_status, free_expr_status): Declare.
21191 * ggc.h (mark_expr_status): Declare.
21192 * stmt.c (free_stmt_status): Free the struct.
21193 (mark_stmt_status): Renamed from mark_stmt_state.
21194 (init_stmt): Don't call init_eh.
21195 (init_stmt_for_function): Don't call init_eh_for_function.
21196 * toplev.c (compile_file): Call init_eh.
21197 (rest_of_compilation): Free basic block info before ggc_collect.
21198 Call free_after_parsing; conditionally call free_after_compilation.
21199 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21200 Check not null before marking.
21201 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21203 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21205 * c-lex.c (yylex): Initialize warn.
21207 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21209 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21210 register when performing secondary reloads for the SAR register.
21212 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21214 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21215 (NOTE_BLOCK): New macro.
21216 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21217 * function.h (identify_blocks): Change prototype.
21218 * function.c (identify_blocks): Simplify.
21219 (reorder_blocks): Likewise.
21220 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21221 NOTE_INSN_BLOCK_{BEG,END}.
21222 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21223 the list of saved notes if the note isn't a
21224 NOTE_INSN_BLOCK_{BEG,END}.
21225 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21227 (reemit_notes): Adjust recreation of notes to reflect new saved
21229 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21230 printing a block note.
21231 * stmt.c (block_vector): Remove.
21232 (find_loop_tree_blocks): Simplify.
21233 (unroll_block_trees): Likewise.
21234 * tree.h (reorder_block): Change prototype.
21236 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21238 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21239 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21240 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21241 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21242 (atexit, exit): Simplify.
21243 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21244 * config/lots: Remove defns of HAVE_ATEXIT.
21246 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21248 * calls.c (precompute_arguments): Fix typo in comment.
21249 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21252 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21254 * dsp16xx.c (override_options): Fix typos in GC root registration.
21256 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21258 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21259 from config/svr4.h.
21260 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21261 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21262 (CC1_SPEC): Likewise.
21264 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21266 * genattr.c (main): Add extern prototype. Call return, not exit.
21267 * genattrtab.c (main): Likewise.
21268 * gencheck.c (main): Likewise.
21269 * gencodes.c (main): Likewise.
21270 * genconfig.c (main): Likewise.
21271 * genemit.c (main): Likewise.
21272 * genextract.c (main): Likewise.
21273 * genflags.c (main): Likewise.
21274 * gengenrtl.c (main): Likewise.
21275 * genopinit.c (main): Likewise.
21276 * genoutput.c (main): Likewise.
21277 * genpeep.c (main): Likewise.
21278 * genrecog.c (main): Likewise.
21280 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21281 * genattrtab.c (get_insn_name): Likewise.
21282 * gencodes.c (get_insn_name): Likewise.
21283 * genconfig.c (get_insn_name): Likewise.
21284 * genemit.c (get_insn_name): Likewise.
21285 * genextract.c (get_insn_name): Likewise.
21286 * genflags.c (get_insn_name): Likewise.
21287 * genopinit.c (get_insn_name): Likewise.
21288 * genpeep.c (get_insn_name): Likewise.
21290 * gencheck.c (usage): Add static prototype.
21291 * genextract.c (print_path): Constify a char*.
21292 * genopinit.c (optabs): Likewise.
21293 * genoutput.c (operand_data, data, output_predicate_decls,
21294 compare_operands): Likewise.
21295 * genrecog.c (write_tree): Add default case in switch.
21297 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21299 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21301 * print-rtl.c (get_insn_name): Remove prototype.
21303 * toplev.h (progname): Declare const.
21305 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21306 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21307 dump_sched_info, dump_local_alloc, regset_release_memory,
21308 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21309 error_with_file_and_line, error_with_decl, error_for_asm, error,
21310 fatal, warning_with_file_and_line, warning_with_decl, warning,
21311 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21312 Remove redundant prototypes.
21314 (notice, check_lang_option, report_file_and_line, vnotice,
21315 mark_file_stack): Add static prototype.
21316 (set_fatal_function): Add prototype.
21317 (vnotice, report_file_and_line, set_fatal_function,
21318 check_lang_option): Constify a char*.
21319 (main): Prototype. Call return, not exit.
21321 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21323 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21325 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21327 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21329 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21331 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21333 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21334 behave as if it's zero in all cases.
21335 (expand_function_start): Adjust call to assign_parms.
21336 * tree.h (assign_parms): Adjust prototype.
21337 * objc/objc-act.c (hack_method_prototype): Adjust call to
21340 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21342 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21343 arg_pointer_rtx fixed if the argument pointer register is
21345 (NONZERO_BASE_PLUS_P): Likewise.
21347 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21349 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21350 match_insn2 to match_insn.
21351 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21353 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21355 * Makefile.in (USER_H): Remove va-foo.h.
21357 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21358 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21359 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21360 va-spur.h,va-v850.h}: Remove.
21362 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21364 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21365 (in_return_delay): Use it instead of match_insn.
21367 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21369 * config/alpha/va_list.h (va-alpha.h): Do not include.
21370 (__gnuc_va_list): Typedef as in varargs.h.
21372 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21374 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21375 DECL_LIVE_RANGE_RTL.
21377 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21379 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21380 not NOTE_BLOCK_NUMBER.
21381 (expand_eh_region_end): Likewise.
21382 (find_exception_handler_labels): Likewise.
21383 (scan_region): Likewise.
21384 (exception_optimize): Likewise.
21385 (update_rethrow_references): Likewise.
21386 (set_insn_eh_region): Likewise.
21387 * final.c (final_scan_insn): Likewise.
21388 * flow.c (make_edges): Likewise.
21389 * integrate.c (expand_inline_function): Likewise.
21390 * print-rtl.c (print_rtx): Likewise.
21392 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21394 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21395 terms of builtin functions and types.
21397 * mips.c (mips_build_va_list): New.
21398 (mips_va_start, mips_va_arg): New.
21399 * mips.h (BUILD_VA_LIST_TYPE): New.
21400 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21402 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21403 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21404 * sh.h (BUILD_VA_LIST_TYPE): New.
21405 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21407 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21409 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21410 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21411 (struct insn_data): Likewise with n_operands, n_dups,
21412 n_alternatives, output_format.
21413 * regclass.c (scan_one_insn): Cast n_operands to int before
21414 arithmetic inside comparison.
21416 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21418 * toplev.c (compile_function): Unconditionally emit nop.
21420 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21422 * haifa-sched.c (actual_hazard): Move declaration of variable
21423 `this_cost' into the scope where it is used.
21425 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21427 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21428 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21429 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21431 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21433 * jump.c (find_insert_position): Don't declare or define unless
21434 !HAVE_conditional_arithmetic.
21435 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21437 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21439 * recog.c (offsettable_address_p): Prototype function pointer.
21440 (preprocess_constraints): Call memset, not bzero.
21442 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21443 (gcc_obstack_init): Don't declare.
21444 (fix_sizetype): Add static prototype.
21445 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21446 (tree_cons): Call memset, not bzero.
21448 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21449 definition in macro ASM_WEAKEN_LABEL.
21450 (mark_const_hash_entry): Add static prototype.
21452 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21454 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21456 * unroll.c (find_common_reg_term, subtract_reg_term,
21457 loop_find_equiv_value): Add static prototypes.
21458 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21459 (copy_loop_body): Remove unreachable break statement.
21461 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21463 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21465 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21467 Undo some changes from the gcc2 merge:
21468 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21469 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21473 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21474 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21475 initialized float-int union if the value is a NaN.
21477 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21479 * gthr-win32.h: New file.
21481 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21482 shared as a valid attribute.
21483 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21484 * extend.texi: Document `shared' variable attribute.
21486 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21488 * configure.in: Handle --enable-threads on FreeBSD.
21489 * configure: Rebuit.
21491 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21493 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21495 * configure: Rebuilt.
21497 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21498 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21499 Rosimildo DaSilva <rdasilva@connecttel.com>
21501 * configure.in (m68k-*-rtemscoff*): Added.
21502 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21503 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21504 sparc-rtems configuration.
21505 * configure.in (sparc-*-rtemself*): Added.
21506 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21507 * config/i386/rtems.h: Added comment.
21508 * config/sparc/rtemself.h: New file.
21510 * configure.in (m68k-rtemself): Added.
21511 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21512 and DWARF_DEBUGGING_INFO.
21513 * config/m68k/crti.s: New file.
21514 * config/m68k/crtn.s: New file.
21515 * config/m68k/t-crtstuff: New file.
21516 * config/m68k/rtemself.h: New file.
21518 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21519 global ctor/dtor and C++ exception handling.
21520 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21521 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21523 * config/i386/t-rtems-i386: New File.
21525 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21527 * stmt.c (expand_end_case): Return right away if the case stack is
21530 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21532 * Makefile.in (version.c): Remove rule incorrectly brought in from
21535 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21537 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21538 * msdos/top.sed: Take into account a prepended $(SHELL) to
21540 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21542 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21544 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21546 * regmove.c (fixup_match_1): Don't change an unchanging register.
21547 (stable_but_for_p): Renamed to:
21548 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21549 Changed all callers.
21551 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21553 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21554 insn from BL2 is after the insn from BL.
21556 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21558 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21559 (struct insn_data): Merge `template' and `outfun' into `output'.
21560 Add `output_format'.
21561 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21562 (struct data): Remove `outfun'; add `output_format'.
21563 (name_for_index): Remove declaration.
21564 (output_insn_data): Handle output formats.
21565 (process_template): Emit the bare array for @.
21566 (gen_expand, gen_split): Set output_format to NONE.
21567 * output.h (get_insn_template): Declare.
21568 * final.c (get_insn_template): New.
21569 (final_scan_insn): Use it.
21570 * toplev.c (compile_file): Likewise.
21572 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21573 * i860/i860.c (output_delayed_branch): Likewise.
21574 (output_delay_insn): Likewise.
21576 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21578 * rtl.c (obstack_alloc_rtx): Removed.
21580 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21582 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21584 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21586 * i386.c (call_insn_operand): Reject const_int.
21587 (expander_call_insn_operand): Use call_insn_operand.
21589 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21591 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21593 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21595 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21596 Use DImode operation.
21598 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21600 * gcc.c: Include sys/resource.h.
21601 (report_times): New flag.
21602 (execute): If report_times is set, calculate and report the
21603 CPU time consumed by each subprocess.
21605 (rus, prus): New globals.
21606 (option_map): Add --time.
21607 (display_help): Document -time.
21608 (process_command): Set report_times if -time is given.
21609 Turn off -pipe if -time is given.
21611 * invoke.texi: Document new option -time.
21613 * configure.in: Check for getrusage. Check if we have to
21614 prototype getrusage.
21615 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21616 * configure: Regenerate.
21617 * config.in: Regenerate.
21619 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21621 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21624 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21626 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21627 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21628 (nan): Return _thenan_sf or _thenan_df as appropriate.
21629 (L_thenan_sf): Define _thenan_sf.
21630 (L_thenan_df): Define _thenan_df.
21632 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21633 (DPBIT_FUNCS): Add _thenan_df.
21635 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21637 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21640 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21642 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21645 (lang_specific_driver): Don't take a function pointer parameter.
21646 All callers changed.
21648 * gcc.c: Include gcc.h.
21649 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21650 lang_specific_extra_outfiles, fatal): Don't declare.
21651 (multilib_defaults_raw): Constify.
21652 (read_specs): Call memset, rather than bzero.
21653 (main): Call return, not exit.
21654 (lookup_compiler): Call memcpy, not bcopy.
21655 (fatal): Make extern.
21657 * cppspec.c: Include gcc.h.
21658 (lang_specific_driver): Initialize variable `quote'. Constify a
21659 char*. All calls to the function pointer parameter now
21660 explicitly call `fatal'.
21662 * gccspec.c (lang_specific_driver): Include gcc.h.
21664 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21666 * arm.c (note_invalid_constants): Use recog_data.operand_type
21669 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21671 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21674 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21675 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21676 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21677 reload_secondary_in_reload, reload_secondary_out_reload,
21678 reload_secondary_in_icode, reload_secondary_out_icode,
21679 reload_reg_rtx, reload_when_needed): Delete declarations.
21680 (struct reload): New structure.
21681 (rld): Declare new array.
21682 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21683 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21684 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21685 reload_secondary_in_reload, reload_secondary_out_reload,
21686 reload_secondary_in_icode, reload_secondary_out_icode,
21687 reload_reg_rtx, reload_when_needed): Delete definitions.
21689 (whole file): Replace uses of the deleted arrays with uses of rld.
21690 * reload1.c (whole file): Replace uses of the deleted arrays with
21692 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21693 explicit loops, not with bcopy.
21695 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21697 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21698 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21699 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21700 insn_name): Delete and consolidate into new structures.
21701 (insn_operand_predicate_fn): New.
21702 (insn_output_fn): New.
21703 (insn_gen_fn): New.
21704 (struct insn_operand_data): New.
21705 (struct insn_data): New.
21707 (OUT_FCN): Update for insn_data change.
21708 * builtins.c (expand_builtin_strlen): Likewise.
21709 (expand_builtin_memcmp): Likewise.
21710 * combine.c (make_extraction, simplify_comparison): Likewise.
21711 * cse.c (canon_reg, cse_insn): Likewise.
21712 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21713 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21714 (emit_store_flag): Likewise.
21715 * expr.c (convert_move, emit_block_move): Likewise.
21716 (clear_storage, emit_push_insn, expand_increment): Likewise.
21717 (do_store_flag): Likewise.
21718 * expr.h (GEN_FCN): Likewise.
21719 (insn_gen_function): Die.
21720 * final.c (final_scan_insn): Update for insn_data change.
21721 (output_asm_name): Likewise.
21722 * function.c (fixup_var_refs_1): Likewise.
21723 * loop.c (check_dbra_loop): Likewise.
21724 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21725 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21726 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21727 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21728 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21729 * regmove.c (gen_add3_insn): Likewise.
21730 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21731 (find_reloads, find_reloads_address_1): Likewise.
21732 (debug_reload_to_stream): Likewise.
21733 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21734 * stmt.c (expand_end_case): Likewise.
21735 * toplev.c (compile_file): Likewise.
21737 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21738 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21740 * print-rtl.c (insn_name_ptr): Remove declaration.
21741 (get_insn_name): Declare.
21742 (print_rtx): Use it.
21743 * genoutput.c (insn_name_ptr): Remove.
21744 (next_operand_number): New.
21745 (struct operand_data): New.
21746 (null_operand, odata, odata_end): New.
21747 (struct data): Use struct operand_data.
21748 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21749 (get_insn_name): Renamed from name_for_index.
21750 (output_prologue): Define NO_MD_PROTOTYPES.
21751 (output_predicate_decls): Break out from output_epilogue.
21752 Iterate over the operands list.
21753 (output_operand_data): Break out from output_epilogue. Emit
21754 just the operands list.
21755 (output_insn_data): Break out from output_epilogue. Emit just
21757 (output_epilogue): Remove.
21758 (output_get_insn_name): New.
21759 (constraints, op_n_alternatives, predicates, address_p): Die.
21760 (modes, strict_low, seen): Die.
21761 (scan_operands): Take new param `d' instead of writing to
21762 seven global variables.
21763 (compare_operands): New.
21764 (place_operands): New.
21765 (validate_insn_alternatives): Update for struct data change.
21766 (gen_insn): Don't zero or copy 7 global arrays. Update for
21767 scan_operands; call place_operands.
21768 (gen_peephole, gen_expand, gen_split): Likewise.
21769 (main): Update for new output routines.
21771 * genattr.c (insn_name_ptr): Remove.
21772 (get_insn_name): New function.
21773 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21774 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21775 * genrecog.c: Likewise.
21777 * alpha.md (adddi3): Make `pattern' array static.
21779 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21781 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21782 c4x_cpu_version_string): Constify char *.
21783 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21784 c4x_cpu_version_string): Likewise.
21786 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21788 * tree.c (save_tree_status): Revert 10 Sep change.
21789 (restore_tree_status): Likewise. Call obstack_free with NULL
21790 before freeing the obstack proper.
21792 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21794 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21796 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21797 surrounding context.
21799 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21801 * tree.c (type_hash_canon): Put all types in the hash-table, when
21804 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21806 * recog.h (struct recog_data, recog_data): New.
21807 (recog_foo variables): Kill.
21808 * recog.c (recog_operand, recog_operand_loc): Kill.
21809 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
21810 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
21811 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
21812 (recog_data): Define.
21813 (extract_insn): Update all recog_foo references to use recog_data.
21814 (preprocess_constraints, constrain_operands): Likewise.
21815 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
21816 * genattrtab.c (main): Likewise.
21817 * genextract.c (main): Likewise.
21818 * genoutput.c: Likewise.
21819 * genrecog.c (write_subroutine, main): Likewise.
21820 * local-alloc.c (block_alloc): Likewise.
21821 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
21822 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
21823 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
21824 * reload.c (find_reloads, find_reloads_toplev): Likewise.
21825 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
21826 (reload_cse_simplify_operands): Likewise.
21828 * arc/arc.c (arc_final_prescan_insn): Likewise.
21829 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
21830 * h8300/h8300.c (notice_update_cc): Likewise.
21831 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
21832 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21833 * mn10200/mn10200.c (notice_update_cc): Likewise.
21834 * mn10300/mn10300.c (notice_update_cc): Likewise.
21835 * romp/romp.c (update_cc): Likewise.
21836 * sparc/sparc.c (check_pic): Likewise.
21837 * v850/v850.c (notice_update_cc): Likewise.
21839 * genemit.c (main): Don't declare recog_operand.
21841 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
21843 * ggc.h (rtvec_def): Forward declare.
21844 (tree_node): Likewise.
21845 (ggc_root): Define.
21847 (ggc_set_mark_rtx): Add prototype.
21848 (ggc_set_mark_rtvec): Likewise.
21849 (ggc_set_mark_tree): Likewise.
21850 * ggc-simple.c (ggc_root): Don't define.
21851 (roots): Don't declare.
21852 (ggc_mark_rtx): Remove.
21853 (ggc_mark_rtvec): Likewise.
21854 (ggc_mark_tree): Likewise.
21855 (ggc_mark_varray): Likewise.
21856 (ggc_mark_tree_hash_table_entry): Likewise.
21857 (ggc_mark_tree_hash_table): Likewise.
21858 (ggc_set_mart_rtx): New function.
21859 (ggc_set_mark_rtvec): Likewise.
21860 (ggc_set_mark_tree): Likewise.
21861 (ggc_add_root): Remove.
21862 (ggc_add_rtx_root): Likewise.
21863 (ggc_remove_tree_root): Likewise.
21864 (ggc_add_string_root): Likewise.
21865 (ggc_add_tree_varray_root): Likewise.
21866 (ggc_add_tree_hash_table_root): Likewise.
21867 (ggc_del_root): Likewise.
21868 (ggc_mark_rtx_ptr): Likewise.
21869 (ggc_mark_tree_ptr): Likewise.
21870 (ggc_mark_string_ptr): Likewise.
21871 (ggc_mark_tree_varray_ptr): Likewise.
21872 (ggc_mark_tree_hash_table_ptr): Likewise.
21873 * ggc-common.c: New file.
21874 * Makefile.in (OBJS): Add ggc-common.o.
21875 (ggc-common.o): List dependencies.
21877 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
21879 * cppalloc.c (xstrdup): Use memcpy.
21880 * cpperror.c (cpp_print_containing_files): Don't use
21882 * cpplib.c (conditional_skip): Set temp->lineno.
21883 (do_endif): Make error message less obscure.
21884 (if_directive_name): New function.
21885 (cpp_get_token [case EOF]): Unwind the if stack and generate
21886 error messages for each unterminated conditional in this file.
21887 (parse_string): Do not behave differently if -traditional.
21889 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
21891 * builtins.c (expand_builtin_va_arg): Cope with an array-type
21892 va_list decomposing to pointer-type.
21893 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
21894 (rs6000_va_arg): Likewise.
21896 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
21898 * except.c (start_dynamic_handler): Compute size using
21899 STACK_SAVEAREA_MODE.
21901 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21903 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
21904 include directory headers. Don't define strrchr. Don't provide
21905 my_* replacement functions. Prefer PTR over `pointer_type'.
21906 Don't prototype system functions. Don't redefine getopt.
21908 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
21909 safe_read, safe_write, save_pointers, restore_pointers,
21910 is_id_char, in_system_include_dir, directory_specified_p,
21911 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
21912 find_corresponding_lparen, referenced_file_is_newer,
21913 save_def_or_dec, munge_compile_params, gen_aux_info_file,
21914 process_aux_info_file, identify_lineno, check_source,
21915 seek_to_line, forward_to_next_token_char, output_bytes,
21916 output_string, output_up_to, other_variable_style_function,
21917 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
21918 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
21919 find_static_definition, connect_defs_and_decs, add_local_decl,
21920 add_global_decls, needs_to_be_converted, visit_each_hash_node,
21921 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
21922 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
21923 scan_for_missed_items, edit_file, string_list_cons): Add static
21925 (standard_exec_prefix, target_machine, target_version,
21926 default_syscalls_dir, string_list, string_list_cons, find_file,
21927 do_cleaning): Constify a char*.
21928 (safe_read, safe_write): Use PTR, not a char*.
21929 (is_id_char): Take an int, not a char.
21930 (main): Add prototype. Call return, not exit.
21932 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
21934 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
21935 when comparing types.
21937 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
21939 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
21940 (strength_reduce): Release the varrays from the no-bivs early exit.
21942 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
21943 the loop over the registers.
21945 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
21947 (restore_tree_status): Check that instead when freeing the obstack.
21949 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
21951 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
21954 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21956 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
21957 operand size modifiers.
21959 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21961 * c-common.c (c_common_nodes_and_builtins): Don't build
21963 * c-common.h (enum c_tree_index and related accesor macros): Remove
21964 everything now declared in tree.h.
21965 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21966 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
21967 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
21968 (error_mark_node, void_type_node, char_type_node, integer_type_node,
21969 unsigned_type_node, ptr_type_node, va_list_type_node,
21970 integer_zero_node, null_pointer_node, integer_one_node): Delete.
21971 (init_decl_processing): Call build_common_tree_nodes and
21972 build_common_tree_nodes_2 instead of building their nodes here.
21973 Don't add roots for these nodes.
21974 * stor-layout.c (size_zero_node, size_one_node): Delete.
21975 (set_sizetype): Make a new node for bitsizetype each time.
21976 * tree.c (global_trees): New variable.
21977 (init_obstacks): Add a gc root for it.
21978 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21979 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
21980 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
21981 (build_common_tree_nodes): New function.
21982 (fix_sizetype): New function.
21983 (build_common_tree_nodes_2): New function.
21984 * tree.h (enum tree_index): New.
21985 (global_trees): Declare.
21986 Add accessor macros for all nodes now moved to global_trees.
21987 Delete their declarations.
21989 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
21991 * c-decl.c (finish_function): When processing a nested function,
21992 push and pop GC context around rest_of_compilation.
21994 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
21996 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
21997 Default ix86_arch to PROCESSOR_I386.
21998 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
21999 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22000 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22001 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22002 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22003 (EXTRA_SPECS): Remove deleted specs.
22005 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22007 * function.c (assign_stack_local_1): Allocate from
22008 function->x_frame_offset, not frame_offset.
22010 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22012 * ggc.h (lang_cleanup_tree): Remove.
22013 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22014 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22016 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22017 TYPE_LANG_SPECIFIC when garbage collecting.
22018 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22019 (lang_cleanup_tree): Remove.
22021 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22023 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22024 * crtstuff.c: Not here.
22025 * dwarf2out.c: Or here.
22026 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22029 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22031 * function.h (free_after_compilation): Remove decl parameter.
22032 (free_varasm_status0: Likewise.
22033 (free_emit_status): Likewise.
22034 (free_stmt_status): Likewise.
22035 (free_after_compilation): Likewise.
22036 (init_lang_status): New variable.
22037 (free_lang_status): Likewise.
22038 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22039 * function.c (init_lang_status): New variable.
22040 (free_lang_status): Likewise.
22041 (push_function_context_to): Don't set function::decl here.
22042 (free_after_copmilation): Make decl parameter implicit. Call
22043 free_lang_status if defined.
22044 (prepare_function_start): Call init_lang_status if defined.
22045 (init_function_start): Set function::decl here.
22046 * profile.c (output_func_start_profiler): Don't call pushdecl
22047 until we've actually started the function.
22048 * stmt.c (free_stmt_status): Make decl parameter implicit.
22049 * toplev.c (rest_of_compilation): Don't pass decl to
22050 free_after_compilation.
22051 * varasm.c (free_varasm_status): Likewise.
22053 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22055 * except.c (call_get_eh_context): Add root when allocating static
22058 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22060 * arm.c: Include "ggc.h".
22061 (arm_add_gc_roots): New function.
22062 (arm_override_options): Call it.
22063 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22065 * arm.md (define_asm_attributes): Add a pool_range attribute.
22067 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22069 * extend.texi (Volatiles): New node.
22071 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22073 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22074 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22075 (struct ggc_any): Replace `mark' with `magic_mark'.
22076 (ggc_alloc_string): Use memcpy, not bcopy.
22077 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22078 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22079 (ggc_free_any): New.
22080 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22081 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22082 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22083 Use IS_MARKED. Use ggc_free_any.
22085 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22087 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22089 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22091 * toplev.c (main): Always init_ggc.
22093 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22095 * except.c (find_all_handler_type_matches): Free the list if
22096 we found no matches.
22098 * combine.c (SUBST): Break out to a real function do_SUBST.
22099 (SUBST_INT): Likewise.
22100 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22101 (pre_insert): Free `inserted'.
22102 * loop.c (basic_induction_var): Always set `location'.
22104 * function.c (expand_function_end): Add initial_trampoline as a root.
22105 * rtl.h (init_varasm_once): Declare.
22106 * toplev.c (compile_file): Call it.
22107 * ggc-simple.c (ggc_mark_string_ptr): New.
22108 (ggc_add_string_root): New.
22109 (ggc_collect): Disable collection avoidance temporarily.
22110 * ggc.h (ggc_add_string_root): Declare.
22111 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22112 * optabs.c (init_libfuncs): Likewise.
22113 * varasm.c (named_section): Use ggc_alloc_string.
22114 (make_function_rtl): Likewise.
22115 (make_decl_rtl): Likewise.
22116 (assemble_static_space): Likewise.
22117 (assemble_trampoline_template): Likewise.
22118 (output_constant_def): Likewise.
22119 (force_const_mem): Likewise.
22120 (mark_const_hash_entry): New.
22121 (mark_pool_sym_hash_table): New.
22122 (mark_varasm_state): Use it.
22123 (init_varasm_once): New.
22125 * expr.h (init_one_libfunc): Declare.
22126 * optabs.c (init_one_libfunc): New.
22127 (init_optabs): Use it.
22128 * config/gofast.h: Likewise.
22129 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22130 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22132 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22134 * Makefile.in (cppexp.o): Depend on cpphash.h.
22135 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22137 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22138 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22139 redefining poisoned identifiers, etc.
22140 (do_undef): Don't allow poisoned identifiers to be undefined.
22141 (do_pragma): Add #pragma poison.
22142 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22144 * cccp.c: Add T_POISON node type.
22145 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22147 (do_define): Generalise to handle poisoned definitions,
22148 redefining poisoned identifiers, etc.
22149 (do_undef): Don't allow poisoned identifiers to be undefined.
22150 (do_pragma): Add #pragma poison.
22151 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22153 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22154 * c-pragma.h: Add ps_poison state. We now always have generic
22157 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22159 * ggc.h (ggc_alloc): New function.
22160 (ggc_mark): Likewise.
22161 * ggc-simple.c (ggc_any): New structure.
22162 (ggc_status): Add anys.
22163 (n_anys_collected): New variable.
22164 (ggc_alloc): Define.
22165 (ggc_mark): Likewise.
22166 (ggc_collect): Collect the anys.
22168 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22170 * c-decl.c (mark_binding_level): Make static to match prototype.
22172 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22174 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22176 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22178 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22179 will use into account. Expand the max width to 5.
22182 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22184 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22185 for the rtx length.
22187 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22189 * alpha.md (call value patterns): Remove the result predicates.
22191 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22193 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22196 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22198 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22199 changed from extern char *, to extern PTR. Also fix typo in
22200 NEED_DECLARATION_REALLOC test.
22202 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22204 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22206 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22207 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22208 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22209 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22211 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22213 * cccp.c (pcfinclude): Likewise.
22215 * global.c (allocno_compare): Likewise.
22217 * haifa-sched.c (rank_for_schedule): Likewise.
22219 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22221 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22223 * stupid.c (stupid_reg_compare): Likewise.
22225 * tree.c (_obstack_allocated_p): Likewise.
22227 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22229 1999-09-08 Bruce Korb autogen@linuxbox.com
22231 * Makefile.in: Give the hapless gperf user a hint about
22232 why "gperf -F" fails.
22234 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22236 * lists.c: Include ggc.h.
22238 (init_EXPR_INSN_LIST_cache): Install it.
22240 * ggc-simple.c (init_ggc): Absorb the old init.
22241 (ggc_push_context): Use xcalloc.
22242 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22243 (ggc_collect): Add [rvts] tags to the collection stats.
22245 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22247 * cccp.c (main): Fix handling of -include and -imacros options.
22249 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22251 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22253 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22255 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22258 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22260 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22261 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22262 and SET_DEST. Update comment.
22264 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22266 * config/c4x/c4x.c: Include ggc.h.
22267 (c4x_add_gc_roots): New function.
22268 (c4x_override_options): Call c4x_add_gc_roots.
22270 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22272 * defaults.h (TARGET_ESC): Move ...
22273 * system.h: ... here, where Linas had it in the first place. Silly me.
22275 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22277 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22278 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22279 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22280 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22281 * defaults.h (TARGET_ESC): Add default.
22283 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22285 * configure.in: add i370-*-openedition, i370-*-mvs and
22286 i370-*-linux targets
22288 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22290 * dsp16xxx.c: Include ggc.h
22291 (override_options): Mark GC roots.
22292 * mn10200.c: Include ggc.h.
22293 (asm_file_start): Mark GC roots.
22294 * tahoe.c: Include ggc.h.
22295 (extensible_operand): Mark GC roots.
22297 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22299 * README: Add section discussing status of ELF ABI.
22300 * i370.c: Fix misc spelling mistakes.
22301 (i370_label_scan): Updated notes, exception handling.
22302 (i370_function_prolog): Simplify ELF stack handling.
22303 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22304 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22305 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22306 * i370.md: (movdi): Add notes.
22307 (floatsidf2): Use stack not rtca for scratch float area.
22308 (iorsi3): Correct operand constraints.
22309 * x-oe: Restore TAROUTOPTS which are used by pax.
22311 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22313 * rs6000.c: Include ggc.h.
22314 (rs6000_add_gc_roots): New function.
22315 (override_options): Call it.
22317 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22319 * alpha.h (alpha_compare): New.
22320 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22321 * alpha.c: Likewise for the definitions.
22322 (alpha_emit_conditional_branch): Update for alpha_compare.
22323 (alpha_emit_conditional_move): Likewise.
22324 * alpha.md (cmpdf, cmpdi): Likewise.
22325 (setcc patterns): Likewise. Zero alpha_compare after use.
22326 (sne): Optimize (x != 0) into (0U < x).
22328 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22330 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22331 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22332 (INIT_EXPANDERS): Remove.
22333 * alpha.c: Include ggc.h.
22334 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22335 (alpha_init_machine_status, alpha_mark_machine_status): New.
22336 (override_options): Install them.
22337 (struct machine_function): Moved to alpha.h.
22338 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22339 (alpha_init_expanders): Remove.
22340 (alpha_return_addr): Adjust to use current_function->machine.
22341 (alpha_ra_ever_killed): Likewise.
22342 (alpha_expand_epilogue): Likewise.
22343 * alpha.md (eh_epilogue): Likewise.
22345 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22346 Melissa O'Neill <oneill@cs.sfu.ca>
22347 Geoffrey Keating <geoffk@cygnus.com>
22349 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22350 call-used registers (call-saved registers must still be contiguous
22351 and end with r31, of course).
22353 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22355 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22356 (self_promoting_type_p): Delete.
22357 (self_promoting_args_p): Move ...
22358 * c-common.c: ... here.
22359 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22360 (simple_type_promotes_to): New.
22361 * builtins.c (lang_type_promotes_to): New.
22362 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22363 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22364 * c-common.h: ... here.
22365 (self_promoting_args_p, simple_type_promotes_to): Declare.
22366 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22367 (grokdeclarator): Likewise.
22368 * tree.h (lang_type_promotes_to): Declare.
22370 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22372 Add some machine-dependent GC roots.
22373 * sparc.c: Include ggc.h.
22374 (sparc_add_gc_roots): New function.
22375 (mark_ultrasparc_pipeline_state): Likewise.
22376 (override_options): Call sparc_add_gc_roots.
22377 * pa.c: Include ggc.h.
22378 (pa_add_gc_roots): New function.
22379 (mark_deferred_plabels): Likewise.
22380 (override_options): Call pa_add_gc_roots.
22381 * mips.c: Include ggc.h.
22382 (mips_add_gc_roots): New function.
22383 (override_options): Use it.
22385 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22387 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22389 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22390 cpp_parse_expr): Add static prototypes.
22391 (parse_charconst): Don't cast away const-ness.
22392 (token): Constify a char*.
22394 * cppfiles.c (file_name_list, include_hash, find_include_file,
22395 finclude, initialize_input_buffer): Constify a char*.
22396 (file_cleanup, find_position): Add static prototypes.
22398 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22399 collect_expansion): Add static prototypes.
22400 (cpp_install, create_definition, monthnames): Constify a char*.
22402 * cpphash.h (cpp_install): Likewise.
22404 * cppinit.c (known_suffixes, default_include,
22405 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22406 (base_name, dump_special_to_buffer, initialize_dependency_output):
22407 Add static prototypes.
22409 * cpplib.c (my_strerror): Constify a char*.
22410 (null_underflow, null_cleanup, skip_comment, copy_comment,
22411 copy_rest_of_line, handle_directive, pass_thru_directive,
22412 get_directive_token, read_line_number, cpp_print_file_and_line,
22413 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22414 v_cpp_warning_with_line, detect_if_not_defined,
22415 consider_directive_while_skipping): Add static prototypes.
22416 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22417 cpp_pedwarn_with_file_and_line): Constify a char*.
22419 * cpplib.h (cpp_options, include_hash, progname, definition,
22420 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22421 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22422 find_include_file, deps_output, include_hash): Constify a char*.
22424 * cppmain.c (progname): Constify.
22425 (main): Add prototype. Use return, not exit.
22427 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22428 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22429 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22430 check_protection): Add static prototype.
22432 (progname, recognized_macrom, recognized_extern): Constify a char*.
22433 (main): Add prototype.
22435 * gen-protos.c (progname): Constify a char*.
22437 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22439 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22440 (init_emit_once): Add more GC roots.
22441 * except.c (mark_func_eh_entry): New function.
22442 (mark_eh_node): Mark false_label and rethrow_label.
22443 (init_eh): Add more GC roots.
22444 * function.c (free_after_compilation): Take decl as a paramter.
22445 Call free_stmt_status.
22446 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22448 * function.h (free_after_compilation): Change prototype.
22449 (free_varasm_status): Likewise.
22450 (free_emit_status): Likewise.
22451 (free_stmt_status): New function.
22452 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22453 Remove, replacing with ...
22454 (ggc_status): New structure.
22455 (ggc_chain): New variable.
22456 (init_gcc): Define.
22457 (ggc_push_context): New function.
22458 (ggc_pop_context): Likewise.
22459 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22460 (ggc_alloc_rtvec): Likewise.
22461 (ggc_alloc_tree): Likewise.
22462 (ggc_alloc_string): Likewise.
22463 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22464 (ggc_mark_tree): Give language-dependent code a chance to mark
22466 (ggc_mark_tree_varray): Handle empty arrays.
22467 (ggc_collect): Adjust for use of ggc_chain. Clear
22468 bytes_alloced_since_last_gc.
22469 * ggc.h (ggc_pop_context): New function.
22470 (ggc_push_context): Likewise.
22471 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22472 * stmt.c (free_stmt_status): New function.
22473 (init_stmt_for_function): Clear last_expr_value.
22474 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22475 Conditionalize call to ggc_collect.
22476 (main): Call init_ggc.
22477 * tree.c (push_obstacks): Do the push, even when GC'ing.
22478 (push_obstacks_nochange): Likewise.
22479 (pop_obstacks): Liekwise.
22480 * varasm.c (free_varasm_status): Take decl as a parameter.
22482 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22484 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22485 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22486 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22487 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22489 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22491 * pa/x-pa-mpeix: New file for the MPE port.
22493 * pa/quadlib.asm: New file for long double support.
22495 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22496 * configure: Rebuilt.
22498 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22500 * final.c (shorten_branches): Fix last change.
22502 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22504 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22506 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22508 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22511 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22513 * c-aux-info.c (concat): Don't define.
22515 * cccp.c (my_strerror): Likewise. All callers changed to use
22517 (do_include): Call xstrdup, not xmalloc/strcpy.
22518 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22519 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22521 * collect2.c (my_strsignal): Likewise. All callers changed to use
22523 (locatelib): Call xstrdup, not xmalloc/strcpy.
22525 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22527 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22529 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22531 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22533 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22535 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22537 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22539 (find_all_handler_type_matches): Likewise. Don't check return
22541 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22542 xmalloc, not malloc.
22543 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22545 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22546 (init_spec): Call xcalloc, not xmalloc/bzero.
22547 (set_spec): Call xstrdup, not save_string.
22548 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22549 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22550 (process_command): Call xstrdup, not save_string.
22551 (main): Call xcalloc, not xmalloc/bzero.
22553 * gcov.c (xmalloc): Don't define.
22554 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22555 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22556 (output_data): Call xcalloc, not xmalloc/bzero.
22558 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22560 * mips-tdump.c (xmalloc): Don't define.
22561 (print_symbol): Call xmalloc, not malloc.
22562 (read_tfile): Call xcalloc, not calloc.
22564 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22565 Don't define. All callers of xfree/my_strsignal changed to use
22566 free/strsignal instead.
22567 (allocate_cluster): Call xcalloc, not calloc.
22569 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22570 Fix memory leak, free allocated memory.
22572 * prefix.c (translate_name): Call xstrdup, not save_string.
22573 (update_path): Likewise.
22575 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22577 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22578 Don't define. Callers of xfree/savestring2 changed to use
22579 free/concat instead.
22581 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22582 (init_elim_table): Likewise.
22584 * resource.c (init_resource_info): Likewise.
22586 * stupid.c (stupid_life_analysis): Likewise.
22588 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22589 (open_dump_file): Call concat, not xmalloc/strcpy/...
22590 (clean_dump_file): Likewise.
22591 (compile_file): Call xstrdup, not xmalloc/strcpy.
22593 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22595 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22596 * v850.c (v850_va_arg): New.
22598 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22600 * haifa-sched.c: Tidy comments.
22602 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22604 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22605 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22606 $(out_object_file)): Depend on ggc.h.
22607 * c-common.c: Include "ggc.h".
22608 (combine_strings): If doing GC, use ggc_alloc_string.
22609 * c-decl.c: Include "ggc.h".
22610 (ggc_p): Define with value 0.
22611 (mark_binding_level): New function.
22612 (init_decl_processing): Add GC roots.
22613 (mark_c_function_context): New function.
22614 (lang_mark_false_label_stack): New function.
22615 (lang_mark_tree): New function.
22616 (lang_cleanup_tree): New function.
22617 * c-lang.c: Include "ggc.h".
22618 (lang_init): Call c_parse_init.
22619 * c-lex.c: Include "ggc.h".
22620 (check_linenum): If doing GC, don't copy filenames to permanent
22622 * c-parse.in: Include "ggc.h".
22623 (c_parse_init): New function.
22624 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22625 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22627 * except.c (mark_eh_state): Mark more state.
22628 * function.c (mark_function_state): Likewise.
22629 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22630 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22631 * toplev.c (mark_file_stack): New function.
22632 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22633 (main): Add root for input_file_stack.
22635 * i386.c: Include "ggc.h".
22636 (ix86_mark_machine_status): New function.
22637 (override_options): Set mark_machine_status.
22639 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22641 * tree.c (copy_node): Copy node contents also if doing GC.
22643 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22645 * collect2.c (scan_libraries): Fix double-thinko :-).
22647 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22649 * collect2.c (scan_libraries): Fix thinko.
22651 * cse.c (delete_trivially_dead_insns): Do not skip the last
22652 insn if it is a real insn.
22654 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22656 * Makefile.in (ggc-simple.o): Depend on hash.h.
22657 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22658 (ggc_mark_tree_varray): Likewise.
22659 (ggc_mark_tree_hash_table): Likewise.
22660 * ggc-simple.c: Include hash.h.
22661 (ggc_mark_tree_hash_table_ptr): New function.
22662 (ggc_mark_tree_hash_table_entry): Likewise.
22663 (ggc_mark_tree_hash_table): Likewise.
22664 (ggc_add_tree_hash_table_root): Likewise.
22665 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22666 rtx, when defining fields.
22668 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22670 * profile.c (output_func_start_profiler): Remove apparently
22671 nonsensical call to start_sequence.
22673 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22675 * clipper/clipper.c (clipper_va_start): Fix typos.
22677 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22678 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22679 (spur_va_arg): New stub.
22681 * configure.in: Comment out pyramid.
22683 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22685 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22686 don't conflict with the bits that win32, cygwin, and dgux
22689 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22690 Bernd Schmidt <bernds@cygnus.co.uk>
22692 * integrate.c (function_cannot_inline_p): Do not inline
22693 functions with forced labels.
22695 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22696 Bernd Schmidt <bernds@cygnus.co.uk>
22697 Mark Mitchell <mark@codesourcery.com>
22699 * Makefile.in (ggc-simple.o): Depend on varray.h.
22700 (rtl.o): Depend on ggc.h.
22701 (genattrtab.o): Depend on ggc.h.
22702 (print-tree.o): Likewise.
22703 (fold-const.o): Likewise.
22704 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22705 (make_insn_raw): Don't cache insns when GC'ing.
22706 (emit_insn_before): Likewise.
22707 (emit_insn_after): Likewise.
22708 (emit_insn): Likewise.
22709 (start_sequence): Use xmalloc to allocate the sequence_stack.
22710 (end_sequence): Add free to free it.
22711 (gen_sequence): Don't cache insns when GC'ing.
22712 (clear_emit_caches): Don't use sequence_element_free_list.
22713 (init_emit): Use xcalloc, not xmalloc+bzero.
22714 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22715 * function.c (pop_function_context_from): Use free to free the
22716 fixup_var_refs_queue.
22717 (put_reg_into_stack): Allocate it with xmalloc.
22718 * genattrtab.c: Include ggc.h.
22719 (operate_exp): Don't use obstack_free when GC'ing.
22720 (simplify_cond): Likewise.
22721 (simplify_text_exp): Likewise.
22722 (optimize_attrs): Likewise.
22723 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22725 (gencode): Generate a #include for ggc.h.
22726 * ggc-callbacks.c (ggc_p): Define it to zero.
22727 * ggc-none.c (ggc_p): Likewise.
22728 * ggc-simple.c: Include varray.h.
22729 (ggc_mark_tree_varray): New function.
22730 (ggc_add_tree_varray_root): Likewise.
22731 (ggc_mark_tree_varray_ptr): Likewise.
22732 * ggc.h (ggc_p): Declare.
22733 (varray_head_tag): Likewise.
22734 (ggc_add_tree_varray_root): Declare.
22735 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22736 inconsistencies when GC'ing.
22737 * rtl.c: Include ggc.h.
22738 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22739 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22740 (rtx_free): Don't call obstack_free when GC'ing.
22741 * toplev.c (rest_of_compilation): Call ggc_collect after every
22743 * tree.c (push_obstacks): Do nothing, if GC'ing.
22744 (pop_obstacks_nochange): Likewise.
22745 (pop_obstacks): Likewise.
22746 (make_node): Use ggc_alloc_tree when GC'ing.
22747 (copy_node): Likewise.
22748 (get_identifier): Use ggc_alloc_string when GC'ing.
22749 (build_string): Likewise.
22750 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22751 (tree_cons): Likewise.
22752 (build1): Likewise.
22753 (type_hash_canon): Don't call obstack_free when GC'ing.
22755 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22757 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22758 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22760 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22761 Bernd Schmidt <bernds@cygnus.co.uk>
22762 Mark Mitchell <mark@codesourcery.com>
22764 * Makefile.in (stor-layout.o): Depend on ggc.h.
22765 (expr.o): Depend on ggc.h.
22766 (profile.o): Depend on ggc.h.
22767 (stor-layout.o): Depend on ggc.h.
22768 * emit-rtl.c (init_emit_once): Add gc roots.
22769 * expr.c: Include ggc.h.
22770 (emit_block_move): Add gc roots.
22771 (clear_storage): Likewise.
22772 * expr.h (init_stor_layout_once): New function.
22773 * profile.c: Include ggc.h.
22774 (init_arc_profiler): profiler_label is a root.
22775 * scan.c (make_sstring_space): Trust xrealloc to function
22776 correctly with first parameter NULL.
22777 * stor-layout.c: Include ggc.h.
22778 (set_sizetype): Add gc root.
22779 (init_stor_layout_once): New function.
22780 * toplev.c (compile_file): Call it.
22782 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22783 Bernd Schmidt <bernds@cygnus.co.uk>
22784 Mark Mitchell <mark@codesourcery.com>
22786 * Makefile.in (tree.o): Depend on ggc.h.
22787 (varasm.o): Likewise.
22788 (function.o): Likewise.
22789 (stmt.o): Likewise.
22790 (except.o): Likewise.
22791 (optabs.o): Likewise.
22792 (emit-rtl.o): Likewise.
22793 * emit-rtl.c: Include ggc.h.
22794 (sequence_element_free_list): Remove, and all references.
22795 (mark_sequence): New functions.
22796 (mark_emit_state): New function.
22797 * except.c: Include ggc.h.
22798 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22799 (mark_tree_label_node): New functions.
22800 (mark_eh_state): New function.
22801 * function.c: Include ggc.h.
22802 (mark_temp_slot, mark_function_chain): New functions.
22803 (mark_function_state): New function.
22804 (init_function_once): New function.
22805 * function.h (init_function_once): New function.
22806 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22807 * ggc.h (label_node): Declare.
22808 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22809 (lang_mark_false_label_stack): New function.
22810 (mark_temp_slot): Remove declaration.
22811 (mark_function_chain): Likewise.
22812 (mark_eh_state): Adjust prototype.
22813 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
22815 * optabs.c: Include ggc.h.
22816 (mark_optab): New function.
22817 (init_optabs): Add gc roots.
22818 * stmt.c: Include ggc.h.
22819 (mark_cond_nesting, mark_loop_nesting): New functions.
22820 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
22821 (mark_stmt_state): New function.
22822 * toplev.c (compile_file): Call init_function_once.
22823 * tree.c: Include ggc.h.
22824 (type_hash): Move declaration earlier in file.
22825 (TYPE_HASH_SIZE, type_hash_table): Likewise.
22826 (init_obstacks): Add gc roots.
22827 (mark_type_hash): New function.
22828 * varasm.c: Include ggc.h.
22829 (mark_pool_constant): New function.
22830 (mark_varasm_state): New function.
22832 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22834 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
22836 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22838 * c-decl.c (struct language_function): Renamed from struct c_function.
22840 (c_function_chain): Delete.
22841 (push_c_function_context): New arg F. Don't warn about nested
22842 functions here. Fill LANGUAGE elt of F. Delete code to update
22843 c_function_chain. Don't call push_function_context.
22844 (pop_c_function_context): New arg F. Restore from there instead of
22845 from c_function_chain. Don't call pop_function_context. Clear out
22846 LANGUAGE field of F when done.
22847 * c-lang.c: Include "function.h"
22848 (lang_init): Initialize save_lang_status and restore_lang_status.
22849 * c-parse.in (nested_function, nested_function_notype): Warn about
22850 nested functions. Call push_function_context/pop_function_context
22851 instead of the _c_ variants.
22852 * c-tree.h (push_c_function_context, pop_c_function_context): Update
22854 * Makefile.in (c-lang.o): Update dependencies.
22856 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
22857 regno_pointer_flag, regno_pointer_align.
22858 (gen_reg_rtx): Use xrealloc to enlarge them.
22859 (free_emit_status): New function.
22860 * function.c (mark_machine_status, mark_lang_status): New variables.
22861 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
22862 in some bits from assign_stack_local. All callers changed to use new
22864 (assign_stack_local): Just call assign_stack_local_1.
22865 (free_after_compilation): New function.
22866 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
22867 (trampoline_address): Likewise.
22868 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
22869 (prepare_function_start): Explicitly clear some more variables.
22870 * function.h (struct function): New elt can_garbage_collect.
22871 (mark_machine_status, mark_lang_status): Declare variables.
22872 (free_after_compilation, free_emit_status, free_varasm_status,
22873 init_varasm_status): Declare functions.
22874 * toplev.c (rest_of_compilation): Call free_after_compilation when
22875 done with the current function.
22876 * varasm.c (free_varasm_status): New function.
22878 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
22880 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
22881 (EXPAND_BUILTIN_VA_ARG): Define.
22882 * sparc.c (sparc_va_start): New.
22883 (sparc_va_arg): New.
22885 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22887 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
22889 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22891 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
22893 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
22895 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
22896 (OBJS): Add $(GGC).
22897 (ggc-callbacks.o): New target.
22898 * ggc-callbacks.c: New file.
22900 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22902 * expr.h: Collapse individual optab and libfunc vars to arrays.
22903 (optab_index, libfunc_index): New enumerations.
22904 (optab_table, libfunc_table): New arrays.
22905 Add accessor macros for both.
22907 * optabs.c (optab_table, libfunc_table): New.
22908 Delete declarations for individual optab and libfunc vars.
22910 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
22912 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
22914 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
22916 * Makefile.in (GGC, GGC_LIB): New.
22917 (HOST_RTL): Include ggc-none.o.
22918 (ggc-simple.o): New target.
22919 (ggc-none.o): Likewise.
22920 * tree.h (tree_common): Add gc_mark.
22921 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
22922 (struct rtvec_def): Add gc_mark.
22923 * emit-rtl.c (global_rtl): Update static initializers to contain
22924 enough initializers.
22925 * ggc.h, ggc-none.c, ggc-simple.c: New files.
22926 * toplev.c (gc_time): New variable.
22927 (all_time): New variable.
22928 (compile_file): Print gc time.
22929 (print_time): Calculate percentage of the whole.
22931 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22933 Change obstack memory management and varasm constant pool handling so
22934 that nested functions are treated like any other functions.
22935 * function.c (init_machine_status): New variable.
22936 (push_function_context_to): Set contains_functions for the outer
22937 function. Don't call save_varasm_status.
22938 (pop_function_context_from): Don't call restore_varasm_status. Don't
22939 set current_function_contains_functions.
22940 (prepare_function_start): Call init_varasm_status rather than
22941 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
22943 * function.h (struct function) Add field varasm. Delete fields
22944 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
22945 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
22946 (init_machine_status): Declare.
22947 (save_varasm_status, restore_varasm_status): Delete declarations.
22948 (save_tree_status, restore_tree_status): Delete last argument.
22949 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
22950 code. All callers changed.
22951 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
22952 save_constants_in_decl_trees, restore_constants, save_constants,
22953 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
22955 (inlining): New variable.
22956 (reg_map, label_map, insn_map, orig_asm_operands_vector,
22957 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
22959 (save_for_inline_nocopy): Don't save constants.
22960 Don't set inl_emit field in current_function.
22961 (expand_inline_function): Use emit field, not inl_emit, of the inlined
22962 function. Set new variable inlining before
22963 calling copy_rtx_and_substitute.
22964 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
22965 constant pool references if inlining is nonzero.
22966 Delete ADDRESS and (most of the) CONST cases.
22967 (output_inline_function): Save and restore current_function/
22968 current_function_decl. Delete restore_constants code. Don't call
22969 init_const_rtx_hash_table.
22970 * output.h (init_const_rtx_hash_table): Don't declare.
22971 * rtl.h (struct function): Declare.
22972 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
22973 * toplev.c (rest_of_compilation): Don't treat nested functions or
22974 functions containing them specially. Delete all code to deal with
22975 save_for_inline_copying.
22976 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
22977 inline_obstacks): Delete variables.
22978 (save_tree_status): Lose arg CONTEXT. All callers changed.
22979 Simply allocate a new function_maybepermanent_obstack for the new
22980 function, delete all the special cases.
22981 Don't save inline_obstacks.
22982 (restore_tree_status): Lose arg CONTEXT. All callers changed.
22983 Delete special handling for function_maybepermanent_obstack; simply
22985 Don't restore inline_obstacks.
22986 (permanent_allocation): Delete code that frees inline_obstacks.
22987 (print_inline_obstack_statistics): Delete function.
22988 (dump_tree_statistics): Don't call it.
22989 * varasm.c (struct varasm_status): New.
22990 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
22991 last_pool, pool_offset, const_double_chain): Delete global
22992 variables, replace with accessor macros.
22993 (immed_double_const): Don't walk const_double_chain outside a
22994 function, but don't treat nested functions specially anymore.
22995 (immed_real_const_1): Likewise.
22996 (clear_const_double_mem): Don't treat nested functions specially.
22997 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
22998 (save_varasm_status, restore_varasm_status): Delete functions.
22999 (init_varasm_status): New function.
23000 (force_const_mem): Don't treat nested functions specially.
23001 (find_pool_constant): Accept new arg F, search for constants in
23002 that function's pool rather than the current one. All callers
23004 (get_pool_constant_for_function, get_pool_mode_for_function): New
23007 * i386.c (init_386_machine_status): New function, mostly from
23008 clear_386_stack_locals.
23009 (struct machine_functions): Rename element names to avoid name
23011 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23012 macros, replacing global variables.
23013 (clear_386_stack_locals, save_386_machine_status,
23014 restore_386_machine_status): Delete functions.
23015 (override_options): Initialize init_machine_status.
23016 * i386.h (INIT_EXPANDERS): Delete macro.
23017 (save_386_machine_status, restore_386_machine_status,
23018 clear_386_stack_locals): Delete declarations.
23020 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23022 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23023 (doloop_begin): Simplify pattern and use emit_jump_insn.
23024 (doloop_end): Simplify pattern, switch operand order,
23025 and use emit_jump_insn.
23027 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23029 * function.h (struct function): Add new element LANGUAGE.
23030 (save_lang_status): Declare new variable.
23031 (restore_lang_status): Likewise.
23032 * function.c (save_lang_status): Define.
23033 (restore_lang_status): Likewise.
23034 (push_function_context_to): Call language-specific save function.
23035 (pop_function_context_from): Call language-specific restore function.
23037 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23039 * i386.md (movsf_1): Check REG_P before use of REGNO.
23040 (movdf_1): Likewise.
23041 (movxf_1): Likewise.
23042 (extendsfdf2): Likewise.
23043 (extendsfxf2): Likewise.
23044 (extenddfxf2): Likewise.
23046 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23048 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23049 constants into memory.
23050 (c4x_shiftable_constant): New function.
23051 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23052 (c4x_shiftable_constant): Declare.
23053 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23054 ashlqi3_noclobber): Add new patterns and associated splitters.
23056 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23058 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23059 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23060 * final.c (shorten_branches): Likewise.
23061 * global.c (global_alloc): Likewise.
23062 * haifa-sched.c (build_control_flow): Likewise.
23063 * stmt.c (check_for_full_enumeration_handling): Likewise.
23064 (estimate_case_costs): Likewise.
23066 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23068 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23070 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23072 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23073 (recompute_reg_usage): Likewise.
23074 * rtlanal.c (find_regno_fusage): Likewise.
23076 * rtl.c (rtl_check_failed_code1): New function.
23077 (rtl_check_failed_code2): New.
23078 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23079 (RTL_CHECKC1, RTL_CHECKC2): New.
23080 (XC*): New accessor macros.
23081 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23082 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23083 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23084 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23085 (TRAP_*, RANGE_INFO_*): Likewise.
23087 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23089 * Makefile.in (tlink.o): Don't depend on toplev.h.
23091 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23092 output_file, nm_file_name, ldd_file_name, strip_file_name,
23093 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23094 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23095 fork_execute, maybe_unlink, add_to_list,
23096 extract_init_priority, write_list, dump_list,
23097 dump_prefix_list, write_list_with_asm, write_c_file,
23098 write_c_file_stat, write_c_file_glob, scan_prog_file,
23099 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23100 ignore_library, extract_string, notice, dump_file, target_machine,
23101 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23102 read_file, print_load_command): Constify a char*.
23103 (fdopen, error, fatal, fatal_perror): Don't prototype.
23104 (my_strerror): Remove. All callers use xstrerror instead.
23105 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23106 (main): Add prototype. Constify lots of char* ptrs. Change calls
23107 to xcalloc/strcpy/strcat/... to one call to concat.
23108 (main, scan_prog_file, scan_libraries): Use an intermediate
23109 `const char **' to build an argv array.
23110 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23112 * collect2.h (collect_execute, collect_wait, dump_file,
23113 file_exists): Constify a char*.
23114 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23115 temporary_firstobj, vflag, debug): Add extern declarations.
23116 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23118 * tlink.c: Don't include toplev.h.
23119 (vflag, debug, ldout, c_file_name, temporary_obstack,
23120 permanent_obstack, temporary_firstobj): Don't declare.
23121 (tlink_execute, frob_extension, symbol_hash_lookup,
23122 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23123 recompile_files, read_repo_files, demangle_new_symbols,
23124 scan_linker_output): Constify a char*.
23125 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23126 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23128 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23130 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23131 (relative) rather than jsr (absolute) subroutine call insns.
23132 * config/m68k/m68k-coff.h: Ditto.
23134 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23136 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23137 now rework these too.
23138 (arm_reorg): If an insn can't reach the end of the current pool,
23139 ensure that we emit that pool before the insn.
23141 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23143 * tlink.c (scan_linker_output): Skip the initial underscore in
23144 a mangled name if appropriate.
23146 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23148 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23149 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23150 error_with_ivar, gen_declarator, create_builtin_decl,
23151 my_build_string, generate_descriptor_table, generate_ivars_list,
23152 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23153 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23154 dump_base_name, lang_decode_option, build_encode_expr,
23155 start_class, finish_class, encode_pointer, really_start_method,
23156 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23158 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23159 Add static prototypes.
23160 (build_objc_string_decl, build_selector_reference_decl,
23161 encode_bitfield, build_class_reference_decl): Remove unused
23162 parameter, all callers changed.
23163 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23164 (objc_printable_name): Likewise. Change second parameter to type int.
23165 (init_objc): Use memcpy, not bcopy, to avoid casts.
23167 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23169 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23170 reg notes on a deleted insn.
23171 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23173 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23175 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23177 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23179 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23182 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23184 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23185 * tm.texi (MD_ASM_CLOBBERS): Document it.
23187 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23189 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23190 * except.c (expand_rethrow): Remove unused variable.
23191 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23192 * flow.c (replace_insns): Likewise.
23193 (create_edge_list, verify_edge_list): Likewise.
23194 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23196 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23197 is special code to run.
23198 (main): Don't define operands to emit_operand.
23199 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23201 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23203 * alpha/alpha.h (normal_memory_operand): Declare.
23204 (reg_no_subreg_operand): Declare.
23205 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23207 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23209 * c-parse.in (compstmt_primary_start): New, broken out of first
23210 part of compstmt handling in primary.
23211 (primary): Use it. Add an error clause.
23212 (compstmt_nostart): Renamed from compstmt; remove all
23213 initial invocations of compstmt_start.
23216 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23218 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23221 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23223 * combine.c (simplify_shift_const): Remove extra semicolon.
23224 * dwarf2out.c (remove_AT): Likewise.
23225 * expmed.c (expand_mult): Likewise.
23226 * gcov.c (create_program_flow_graph): Likewise.
23227 * reorg.c (mostly_true_jump): Likewise.
23229 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23231 * fold-const.c (fold_range_test): Do not try to fold the range
23232 test if the rhs or lhs has side effects.
23234 * combine.c (simplify_rtx): Recognize another case of a synthesized
23237 * varasm.c (mark_constant_pool): When marking indirect references,
23238 only look at SYMBOL_REFs.
23240 * except.c (expand_fixup_region_end): Do not peek at
23241 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23243 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23245 * flags.h: New variables align_loops, align_loops_log,
23246 align_jumps, align_jumps_log, align_labels, align_labels_log,
23247 align_functions, align_functions_log.
23248 * toplev.c: Define them.
23249 (f_options): Handle -falign-* when they have no argument.
23250 (main): Add logic to set variables for -falign-functions,
23251 -falign-jumps, -falign-labels, -falign-loops.
23252 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23253 (display_help): Change help to match options.
23254 * final.c (LABEL_ALIGN): Default to align_labels_log.
23255 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23256 (LOOP_ALIGN): Default to align_loops_log.
23257 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23258 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23259 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23260 * varasm.c (assemble_start_function): Handle align_functions.
23262 * config/sparc/sparc.h: Don't declare sparc_align_*.
23263 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23264 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23266 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23268 * config/sparc/sparc.c: Delete sparc_align_loops,
23269 sparc_align_jumps, sparc_align_funcs and the corresponding string
23271 (sparc_override_options): Default align_functions on ultrasparc.
23272 Delete -malign-* handling.
23274 * config/mips/mips.c (override_options): On 64-bit targets,
23275 try to align code to 64-bit boundaries.
23276 (print_operand): New substitution, %~,
23277 which aligns labels to align_labels_log.
23278 * config/mips/mips.md (div_trap_normal): Use %~.
23279 (div_trap_mips16): Likewise.
23281 (absdi2): Likewise.
23282 (ffssi2): Likewise.
23283 (ffsdi2): Likewise.
23284 (ashldi3_internal): Likewise.
23285 (ashrdi3_internal): Likewise.
23286 (lshrdi3_internal): Likewise.
23287 (casesi_internal): Likewise.
23289 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23291 Merge new ia32 backend from the branch!
23293 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23294 See ChangeLog.P2 on new_ia32_branch for details.
23296 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23297 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23298 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23299 * i386/gas.h (ASM_FILE_START): Define.
23300 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23301 for name change of ix86_valid_decl_attribute_p.
23302 (i386_pe_valid_type_attribute_p): Similarly.
23304 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23306 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23307 to step through CC modes.
23309 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23311 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23312 it would end up in the shadow of a live flags regsiter.
23314 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23316 * reload1.c: Fix many indentation problems.
23317 * reload.c: Likewise.
23319 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23321 * alias.c (non_local_reference_p): Constify fmt.
23323 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23325 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23327 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23329 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23330 the internal_arg_pointer.
23332 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23334 Merge peephole2 from new_ia32_branch:
23335 * Makefile.in (STAGESTUFF): Add *.peephole2.
23336 (mostlyclean): Likewise.
23337 (recog.o): Depend on resource.h.
23339 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23340 (final_scan_insn): Likewise for the invocation of peephole.
23341 * genconfig.c (main): Look for peephole and peephole2 patterns.
23342 Emit HAVE_peephole* accordingly.
23343 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23344 * flags.h (flag_peephole2): Declare.
23345 * toplev.c: New pass peephole2. New flag -fpeephole2.
23347 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23348 * gencodes.c (main): Likewise.
23349 * genextract.c (main): Likewise.
23350 * genoutput.c (main): Likewise.
23351 * genemit.c (max_operand_1): Look for the max scratch operand.
23352 (gen_rtx_scratch): New.
23353 (gen_exp): Use it, and pass on new arg subroutine_type.
23354 (gen_expand): Take max scratch into account.
23355 (gen_split): Emit peephole2 functions.
23356 (output_peephole2_scratch): New.
23357 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23358 * genrecog.c (routine_type): Add PEEPHOLE2.
23360 (make_insn_sequence): Match outer parallel for peep2. Discard
23361 top level scratches and dups.
23362 (add_to_sequence): New args insn_type and top. Update all callers.
23363 Handle toplevel peep2 matching insns.
23364 (write_subroutine): Handle peep2.
23365 (write_tree_1): Likewise.
23366 (write_tree): Likewise.
23368 (change_state): New arg afterward. Update all callers.
23369 Handle matching separate insns.
23370 * recog.c (recog_next_insn): New.
23371 (peephole2_optimize): New.
23372 * rtl.def (DEFINE_PEEPHOLE2): New.
23373 * resource.c (find_free_register): New argument last_insn. Use it
23374 to find a register available through the entire span.
23375 * resource.h (find_free_register): Update prototype.
23377 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23379 * i386.c (output_strlen_unroll): Don't write xops[7]
23380 label if it wasn't set.
23382 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23384 * cpplib.c (struct directive): Const-ify name pointer and
23385 function pointer prototype.
23386 (validate_else, do_define, do_line, do_include, do_undef,
23387 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23388 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23389 do_warning): Const-ify second arg.
23390 (directive_table): Mark const. Reorder entries by frequency
23391 of usage, record statistics.
23393 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23395 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23396 bounds- check RTL accesses if --enable-checking.
23397 (RTVEC_ELT): Bounds check if --enable-checking.
23398 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23399 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23400 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23402 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23403 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23405 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23406 (NOTE_SOURCE_FILE): Use X0STR.
23407 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23408 MEM_ALIAS_SET): Use X0INT.
23409 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23410 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23412 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23413 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23414 (rtl_check_failed_bounds, rtl_check_failed_type1,
23415 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23417 (fancy_abort): Fix comment.
23419 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23420 (cse_insn): Decrement LABEL_NUSES for jump target before
23421 deleting jump insn.
23422 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23423 * final.c (alter_subreg): Compute regno before changing x to
23424 REG; set REGNO(x) after changing it.
23425 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23426 notes containing CONST_INTs.
23427 (delete_eh_regions): Use NOTE_EH_HANDLER.
23428 * function.c (put_reg_into_stack): Make reg a MEM before
23430 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23432 (gen_mem_addressof): Make reg a MEM before initializing it.
23433 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23435 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23436 deleting an insn, not after.
23437 (block_alloc): Only look at PATTERN(insn) if we have to, and
23438 only if it's format class 'i'.
23439 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23440 CONST_INT before using its INTVAL.
23441 * print-rtl.c (print_rtx): Use X0STR.
23442 * regmove.c (fixup_match_1): Don't look at PATTERN of
23443 non-class-'i' insn chain elements.
23444 * reload.c (loc_mentioned_in_p): Take address of
23445 in->fld[1].rtx directly.
23446 * reload1.c (reload): Change reg to a MEM before initializing
23448 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23450 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23452 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23454 * config/mips/mips.c (machine_dependent_reorg): Force a
23455 barrier to output the local constant pool if a barrier hasn't
23456 been found at a natural point in the instruction stream.
23458 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23460 * c-parse.in (language_string): Constify.
23462 * dwarf2out.c (language_string): Remove declaration.
23464 * dwarfout.c (language_string): Likewise.
23466 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23468 * tree.h (language_string, init_parse, finish_parse): Declare.
23470 * i386/sun386.h (language_string): Remove declaration.
23472 * mips.h (language_string): Likewise.
23474 * nextstep.h (language_string): Likewise.
23476 * nextstep21.h (language_string): Likewise.
23478 * rs6000.c (language_string): Likewise.
23480 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23482 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23483 (getpwd.o): Remove target.
23485 * getpwd.c: Delete file. Its in libiberty now.
23487 * dbxout.c (getpwd): Don't prototype.
23488 * dwarf2out.c (getpwd): Likewise
23489 * dwarfout.c (getpwd): Likewise
23490 * final.c (getpwd): Likewise.
23491 * protoize.c (getpwd): Likewise.
23493 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23495 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23497 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23499 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23500 mark_set_resources.
23502 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23504 * fixinc/Makefile.in (subdir): New.
23505 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23508 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23510 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23511 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23514 * invoke.texi: Fix typo.
23516 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23517 changed. Handle autoincrement addressing modes.
23519 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23520 just like we would the virtual incoming args register when
23523 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23525 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23526 path, in .file directive.
23528 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23530 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23533 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23535 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23538 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23540 * tree.c (tree_code_name): Constify a char*.
23542 * tree.h (tree_code_name, decl_printable_name): Likewise.
23544 * function.h (struct function): Likewise.
23546 * toplev.c (decl_name, decl_printable_name): Likewise.
23548 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23550 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23551 (init_objc): Remove function pointer cast.
23553 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23555 * pa.md (interspace_jump): New pattern.
23556 (builtin_longjmp): New expander.
23558 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23560 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23561 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23562 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23564 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23566 * jump.c (delete_prior_computation): Also check calls
23567 to constant functions. Don't bother checking for a
23568 REG_UNUSED note before adding it.
23569 (delete_computation): Handle multi-word hard registers
23570 when synthesizing missing REG_DEAD notes for a register
23571 which is both set and used by an insn.
23573 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23575 * loop.c (this_loop_info): New variable.
23576 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23577 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23579 (prescan_loop, strength_reduce): New argument loop_info. All callers
23581 (scan_loop): New variable loop_info, initialise to address of
23583 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23584 Delete variable loop_has_multiple_exit targets and replace with
23585 field in this_loop_info.
23586 (find_and_verify_loops): Rename this_loop to this_loop_num.
23587 (strength_reduce): Delete loop_iteration_info. Replace variable
23588 loop_info with function argument of same name.
23589 (insert_bct): Rework test for loop being completely unrolled.
23591 * loop.h (struct loop_info): New fields num, loops_enclosed,
23592 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23593 has_indirect_jump, and cont. Redefine use of unroll_number.
23594 (loop_unroll_number): Delete.
23596 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23597 field of loop_info.
23598 (loop_iterations): Delete variable vtop and instead use
23599 loop_info->vtop computed in prescan_loop.
23601 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23603 * fix-header.c (main): Do not pass a null pointer to strcmp.
23605 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23607 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23609 * configure: Rebuilt.
23611 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23613 * jump.c (jump_optimize_1): Do not delete assignments to
23614 internal_arg_pointer.
23615 * cse.c (delete_trivially_dead_insns): Always consider a set of
23616 the internal_arg_pointer live.
23618 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23620 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23621 (update_life_info) [REG_WAS_0]: Search the original insns rather
23622 than the new insns for the note. Fix typos finding note_dest.
23623 If no dest found, discard the note rather than abort.
23624 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23625 (replace_insns): Remove the old insn list after update_life_info
23628 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23630 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23631 sched_analyze_insn.
23632 (sched_analyze_1): Let add_dependence care for not adding dups.
23633 (sched_analyze_2): Likewise.
23634 (add_branch_dependences): Likewise.
23636 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23638 * i386/winnt.c (export_list): New type.
23639 (exports_head): Rename to
23640 (export_head): this.
23641 (i386_pe_record_exported_symbol): Add is_data flag.
23642 (i386_pe_asm_file_end): Emit directive for exported variables.
23643 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23645 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23646 (ASM_DECLARE_OBJECT_NAME): Likewise.
23647 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23648 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23650 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23652 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23654 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23657 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23659 * config/openbsd.h: Define SET_ASM_OP.
23660 * tm.texi: cross-reference SET_ASM_OP in the index.
23662 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23664 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23665 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23666 and class_narrowest_mode at compile time. Kill init_rtl.
23667 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23668 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23669 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23671 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23673 * rtl.h: Declare rtx_length and rtx_format as const.
23674 * machmode.def: Define CC(). Use CC() to define CCmode. If
23675 EXTRA_CC_MODES is defined, expand it here.
23676 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23677 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23678 const. Kill all references to EXTRA_CC_MODES.
23680 * toplev.c: Don't prototype or call init_rtl.
23681 * optabs.c: Don't call init_mov_optab.
23682 * genemit.c: Don't generate init_mov_optab. Don't call
23684 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23686 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23687 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23688 genrecog.c: Don't call init_rtl.
23690 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23691 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23692 definition of EXTRA_CC_MODES.
23694 * md.texi: Kill ref to EXTRA_CC_NAMES.
23695 * tm.texi: Document new way to define EXTRA_CC_MODES.
23697 * genrecog.c: Do not look up the name of a define_split.
23698 (Unrelated bugfix.)
23700 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23702 * config/v850/v850.md: Fix typo introduced by previous delta.
23704 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23706 * gcc.c (fatal): Make definition static to match prototype.
23708 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23710 * combine.c (get_last_value): Don't look for earlier sets if the last
23711 known set is somewhere in between the insns being combined.
23713 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23715 * configure.in: Don't use shell ! to negate exit codes
23716 * configure: Regenerate
23718 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23720 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23721 the fact that ALIGN is measured in bits, not bytes.
23723 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23725 * errors.c: New file; defines functions error, warning, and
23726 fatal, variables have_error and progname.
23727 * errors.h: New file; prototypes and decls for stuff in errors.c.
23729 * Makefile: Add rules to build errors.o and
23730 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23731 genopinit, genrecog, genextract, genpeep, genattr, and
23732 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23733 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23734 genpeep.o, genattr.o, and genoutput.o.
23736 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23737 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23738 define or prototype fatal. Set progname at beginning of main.
23739 * genoutput.c: Likewise, and don't define or prototype error
23742 * c-typeck.c (c_expand_start_case): Return immediately if exp
23744 * fold-const.c (operand_equal_p): Return immediately if arg1
23745 or arg0 are ERROR_MARKs.
23746 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23747 fields of type ERROR_MARK when calculating if the record can
23750 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23751 with much help from Jeffrey A Law and Richard Henderson
23753 * i386.md: In the 6 insns which call output_fix_trunc,
23754 earlyclobber operands[0].
23756 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23758 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23759 creating new registers.
23761 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23763 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23764 i386_reg_alloc_order, i386_regparm_string,
23765 i386_align_loops_string, i386_align_jumps_string,
23766 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23767 and i386_branch_cost_string as type "const char *".
23768 * i386.c: Define all above strings as type "const char *".
23770 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23772 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23773 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23775 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23777 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23778 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23780 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23782 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23783 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23784 (dwarf2out_line, dwarf2out_finish): Likewise.
23785 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23787 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23789 * tree.c (lang_unsave_expr_now) : Correct return type.
23790 * tree.h (lang_unsave_expr_now) : Same.
23792 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23794 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23795 instead of duplicating code.
23797 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23799 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23801 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23803 * tree.h: fancy_abort always takes three args.
23804 * resource.c: Move include of system.h before toplev.h.
23806 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23808 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
23811 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
23813 * system.h: Don't redefine abort or trim_filename.
23814 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
23815 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
23816 whether or not __FUNCTION__ is available.
23817 * tree.h: Duplicate rtl.h's definition of abort, for files
23818 that don't include rtl.h. Delete all code to perform type
23819 checking with a compiler other than GCC.
23820 * varray.h: Delete all code to perform type checking with a
23821 compiler other than GCC. Make VARRAY_CHECK() always evaluate
23822 its arguments exactly once, using a statement expression.
23823 Adjust the VARRAY_<type> accessor macros to match.
23824 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
23825 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
23826 caller's location. Define fatal_insn and fatal_insn_not_found
23827 as macros that use _fatal_insn and _fatal_insn_not_found.
23828 (fancy_abort, trim_filename): Kill prototypes.
23830 * rtl.c (trim_filename): Move here from toplev.c.
23831 (fancy_abort): New function.
23832 (DIR_SEPARATOR): Provide default definition.
23833 * tree.c (tree_check_failed, tree_class_check_failed): Go
23834 through fancy_abort.
23835 (tree_check, tree_class_check, cst_or_constructor_check,
23836 expr_check): Delete.
23837 * varray.c (varray_check_failed): New function.
23838 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
23839 _fatal_insn and _fatal_insn_not_found. Go through
23841 (trim_filename, fancy_abort): Delete.
23843 * builtins.c (expand_builtin_args_info): Report ICE with abort.
23844 * except.c (start_catch_handler): Report ICE with error/abort
23846 * final.c (output_operand_lossage): Likewise.
23847 * flow.c (verify_flow_info): Likewise.
23849 * gcc.c: Prototype fatal.
23850 * gengenrtl.c: Undef abort after including rtl.h not system.h.
23851 * genattr.c, genattrtab.c, genemit.c, genextract.c,
23852 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
23853 Don't define fancy_abort.
23855 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
23857 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
23860 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
23862 * m88k.h (VERSION_INFO2): Kill.
23863 (VERSION_STRING): Kill.
23865 (VERSION_INFO1): Tidy.
23866 (TARGET_VERSION): Update.
23867 * m88k/dgux.h (VERSION_INFO2): Kill.
23868 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
23869 * m88k/luna.h (VERSION_INFO1): Tidy.
23870 * m88k/sysv4.h (VERSION_INFO1): Likewise.
23871 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
23872 (output_file_start): Adjust for death of VERSION_STRING.
23874 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
23876 * cpplib.c (detect_if_not_defined): New function.
23877 (do_if): Use it to detect potential once-only headers.
23879 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
23881 * c-common.c (combine_strings): Always set TREE_CONSTANT.
23883 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23885 * combine.c (nonzero_bits) : Allow single-ly set registers to be
23886 anywere in the function only if they are pseudos and set before
23887 being used (not live at the start of the function).
23888 (num_sign_bit_copies) : Same.
23889 (get_last_value_validate) : Same.
23890 (get_last_value) : Same.
23892 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
23894 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
23895 where N and M are constant and N is an integer multiple of M.
23897 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23899 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
23900 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
23901 sbitmap_union_of_preds): Add prototypes.
23902 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
23903 the intersection of successors with the new flow graph structures.
23904 (sbitmap_intersection_of_preds): New function to compute the
23905 intersection of predecessors with the new flow graph structures.
23906 (sbitmap_union_of_succs): New function to compute the union of
23907 successors with the new flow graph structures.
23908 (sbitmap_union_of_preds): New function to compute the union of
23909 predecessors with the new flow graph structures.
23910 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
23911 (expr_reaches_here_p): Use edge and basic_block structures instead
23912 of s_preds and s_succs.
23913 (compute_cprop_avinout): Use new sbitmap routines.
23914 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
23915 of s_preds and s_succs.
23916 * flow.c (compute_flow_dominators): Compute dominators using
23917 edges and basic blocks instead of s_preds and s_succs.
23919 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23921 * lists.c (unused_insn_list, unused_expr_list): New file for
23922 maintaining various types of lists. New statics for maintaining a
23923 cache of available INSN_LIST and EXPR_LIST nodes.
23924 (free_list): Static function for freeing a list of INSN/EXPR nodes.
23925 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
23926 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
23927 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
23928 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
23929 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
23930 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
23931 (free_INSN_LIST_node): Free an individual INSN_LIST node.
23932 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
23933 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
23934 (remove_dependence, free_pending_lists): Use new global routines.
23935 (flush_pending_lists, sched_analyze_insn): Use new global routines.
23936 (sched_analyze, compute_block_backward_dependences): Use new routines.
23937 (sched_analyze_1, sched_analyze_2): Use new routines.
23938 (schedule_insns): Use new global routines.
23939 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
23941 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
23942 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
23944 * toplev.c (rest_of_compilation): Initialize node cache.
23945 * Makefile.in (OBJS): Add lists.o to list of object files.
23946 (lists.o): Add dependancies.
23948 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
23950 * config/v850/v850.md: Fix compile time warning messages.
23951 * config/v850/v850.c: Fix compile time warning messages.
23952 * config/v850/v850.h: Fix compile time warning messages.
23954 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23956 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
23957 Remove unused prototype for `init_lengths'.
23959 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23961 * calls.c (emit_call_1): Mark parameter `stack_size' with
23963 (expand_call): Initialize variable `insn'.
23964 (emit_library_call): Likewise for variable `high_to_save'.
23965 (emit_library_call_value): Likewise.
23966 (store_one_arg): Likewise for variables `lower_bound' and
23969 * combine.c (try_combine): Likewise for variables `i2_code_number'
23970 and `other_code_number'.
23971 (find_split_point): Likewise for variables `pos', `unsignedp' and
23973 (simplify_if_then_else): Likewise for variables `op' and `c1'.
23974 (simplify_and_const_int): Remove unused variable `width'.
23975 (merge_outer_ops): Likewise.
23977 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
23978 HOST_WIDE_INT' when comparing against one.
23979 (simplify_relational_operation): Likewise.
23980 (cse_insn): Initialize variables `src_eqv_volatile',
23981 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
23983 * final.c (init_final): Constify parameter `filename'.
23984 (final_start_function): Mark parameter `optimize' with
23986 (profile_function): Likewise for parameters `first' and `optimize'.
23987 (output_source_line): Likewise for parameter `file'.
23989 * integrate.c (subst_constants): Cast a value to `size_t' when
23990 comparing against one.
23991 (mark_stores): Initialize variable `mode'. Cast a value to
23992 `size_t' when comparing against one.
23994 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
23996 * loop.c (move_movables): Initialize variable `first'.
23997 (strength_reduce): Likewise for variable `increment'.
23998 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
23999 value to `size_t' when comparing against one.
24000 (load_mems): Initialize variable `end_label'.
24002 * output.h (init_final): Constify parameter.
24004 * reload.c (decompose): Initialize variable `base'.
24006 * reload1.c (reload): Likewise for variable `is_scalar'.
24007 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24008 (choose_reload_regs): Initialize variable `mode'.
24009 (emit_reload_insns): Likewise for variable `store_insn'.
24010 (reload_cse_noop_set_p): Mark parameter `insn' with
24012 (reload_combine): Initialize variable `set'.
24014 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24015 (copy_loop_body): Cast a value to `size_t' when comparing against
24018 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24019 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24020 (remove_from_pending_weak_list): Mark parameter `name' with
24023 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24025 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24028 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24030 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24031 (ASM_DECLARE_FUNCTION_NAME): Define.
24032 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24033 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24034 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24035 not already defined.
24037 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24039 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24040 of n_popped when call/call_value are not defined.
24042 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24044 * tm.texi: GNU CC -> GCC conversion.
24045 (CC1_SPEC): Indicate it is used for all language front ends.
24047 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24049 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24050 NOTE_INSN_EH_REGION_END correctly.
24052 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24053 Jeff Law <law@cygnus.com>
24055 * loop.c (strength_reduce): Automatically unroll loops if the
24056 unrolled loop size is smaller than the rolled loop size.
24058 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24059 and delete comment that code should be rewritten.
24061 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24063 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24066 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24068 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24070 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24071 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24072 (LINK_SPEC): Add -u _main when building executables.
24073 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24074 (ASM_FILE_END): Use the default for ix86-pe.
24075 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24077 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24079 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24080 and ASM_CLOSE_PAREN are empty strings.
24082 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24083 Geoffrey Keating <geoffk@cygnus.com>
24085 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24086 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24087 (unprotoize.o): Ditto.
24088 (test-protoize-simple): Don't define STD_PROTO_DIR.
24089 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24090 changes to make 'test-protoize-simple' pass.
24091 (STD_PROTO_DIR): Remove define.
24092 (STANDARD_EXEC_PREFIX): Supply default define.
24093 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24094 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24095 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24096 (GET_ENV_PATH_LIST): New macro.
24097 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24098 (do_processing): Initialize default_syscalls_dir using new
24099 macros. Use it to initialize syscalls_absolute_filename.
24101 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24103 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24104 B into a register before emit_conditional_move.
24106 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24108 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24109 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24110 multiplicand out of (+ (* a b) (* c d)).
24112 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24113 Richard Henderson <rth@cygnus.com>
24115 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24116 (new_insn_dead_notes): Likewise.
24117 (update_n_sets): Likewise.
24118 (update_flow_info): Move to flow.c, renamed to update_life_info;
24119 extend to handle multiple source insns.
24120 * flow.c: Include resource.h
24121 (unlink_insn_chain): New.
24122 (split_hard_reg_notes): New.
24123 (maybe_add_dead_note): New.
24124 (maybe_add_dead_note_use): New.
24125 (find_insn_with_note): New.
24126 (new_insn_dead_notes): New.
24127 (update_n_sets): New.
24128 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24129 (maybe_remove_dead_notes): New.
24130 (update_life_info): New.
24131 (prepend_reg_notes): New.
24132 (replace_insns): New.
24133 * output.h (update_life_info): Declare.
24134 * recog.c (split_block_insns): Use update_life_info.
24135 * resource.c (find_free_register): Use reg_alloc_order, don't use
24136 fixed regs, make sure the mode is supported, don't use new regs.
24138 * rtl.h (replace_insns): Declare.
24140 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24142 * expr.c (expand_expr): Cope with COND_EXPRs with one
24143 non-returning branch.
24145 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24147 * expr.c (store_expr): Always pass down the target, even when not
24150 1999-08-24 Nick Clifton <nickc@cygnus.com>
24152 * configure.in: Define target_cpu_default for v850 targets.
24153 * configure: Regenerate
24155 * config/v850/v850.h (TARGET_CPU_generic): Define.
24156 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24157 addresses are 4 byte aligned.
24159 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24162 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24164 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24165 (main): Add prototypes.
24167 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24168 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24169 (write_attr_get): Emit prototypes along with function definition.
24170 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24171 (write_complex_function): Emit static prototype along with
24172 function definition.
24174 * genemit.c (gen_split): Emit prototypes along with function
24177 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24178 Likewise for predicates and `insn_operand_predicate'.
24179 (process_template): Emit static prototype along with function
24182 * genrecog.c (make_insn_sequence): Constify a char*. Add
24183 prototypes for get_split_*().
24184 (write_subroutine): Emit prototypes along with function
24187 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24189 * gcse.c (find_avail_set): Follow chains of register-register copies.
24190 Use oprs_not_set_p to guarantee that the returned value can be
24192 (cprop_insn): Don't verify the return value of find_avail_set with
24195 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24196 (cprop_cc0_jump): New function.
24197 (cprop_insn): Break out new function cprop_jump and use it.
24198 Also use cprop_cc0_jump for machines with CC0.
24199 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24201 * tree.h (current_function_calls_setjmp,
24202 current_function_calls_longjmp): Delete declarations.
24203 * dsp16xx.c: Include "function.h".
24204 * elxsi.c: Likewise.
24205 * gmicro.c: Likewise.
24206 * h8300.c: Likewise.
24207 * i370.c: Likewise.
24208 * m32r.c: Likewise.
24209 * mn10200.c: Likewise.
24210 * mn10300.c: Likewise.
24211 * ns32k.c: Likewise.
24212 * spur.c: Likewise.
24213 * v850.c: Likewise.
24215 * rtl.h (rtx_equal_function_value_matters): Declare.
24216 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24218 * function.c: Likewise.
24219 * emit-rtl.c: Likewise.
24221 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24223 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24226 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24228 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24231 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24233 * cpp.texi: Add a node documenting macro varargs (copied
24236 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24238 * cppspec.c: Put a null pointer at the end of the new argv.
24240 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24242 * configure.in: Remove code to select/de-select the haifa
24243 scheduler. Every scheduled port gets haifa now.
24244 * configure: Rebuilt.
24245 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24247 * Makefile.in: Corresponding changes.
24249 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24251 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24252 All callers changed.
24253 (prepare_float_lib_cmp): Likewise.
24254 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24255 * expr.h (emit_float_lib_cmp): Delete declaration.
24256 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24257 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24258 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24260 (cmptf): Now conditional on TARGET_HARD_QUAD.
24262 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24264 * resource.c (mark_target_live_regs): Use
24265 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24267 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24269 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24271 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24273 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24275 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24277 * rtl.h (rtx_format): Constify a char*.
24279 * rtl.c (rtx_format): Likewise.
24280 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24281 (init_rtl): Use accessor macro, not `rtx_format'.
24283 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24286 * caller-save.c (mark_referenced_regs): Likewise.
24288 * combine.c (subst, make_compound_operation, known_cond,
24289 gen_rtx_combine, update_table_tick, get_last_value_validate,
24290 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24292 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24293 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24294 count_reg_usage): Likewise.
24296 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24299 * final.c (leaf_renumber_regs_insn): Likewise.
24301 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24302 dump_edge_info, count_reg_references): Likewise.
24304 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24305 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24308 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24309 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24310 add_label_notes): Likewise.
24312 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24313 clear_struct_flag, count_sub_rtxs, count_alternatives,
24314 compares_alternatives_p, contained_in_p, walk_attr_value,
24315 write_expr_attr_cache): Likewise.
24317 * genconfig.c (walk_insn_part): Likewise.
24319 * genemit.c (max_operand_1, gen_exp): Likewise.
24321 * genextract.c (walk_rtx): Likewise.
24323 * genflags.c (num_operands): Likewise.
24325 * genoutput.c (scan_operands): Likewise.
24327 * genpeep.c (match_rtx): Likewise.
24329 * genrecog.c (add_to_sequence): Likewise.
24331 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24334 * integrate.c (save_constants, copy_for_inline,
24335 copy_rtx_and_substitute, subst_constants, restore_constants):
24338 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24339 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24341 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24344 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24345 add_label_notes, replace_call_address, count_nonfixed_reads,
24346 invariant_p, find_single_use_in_loop, find_mem_givs,
24347 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24350 * print-rtl.c (reg_names, print_rtx): Likewise.
24352 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24354 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24355 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24356 print_blocks): Likewise.
24358 * regclass.c (fix_register, record_address_regs,
24359 reg_scan_mark_refs): Likewise.
24361 * regmove.c (stable_but_for_p): Likewise.
24363 * reload.c (loc_mentioned_in_p, operands_match_p,
24364 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24365 copy_replacements, refers_to_regno_for_reload_p,
24366 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24367 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24370 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24371 delete_address_reloads_1, count_occurrences,
24372 reload_cse_mem_conflict_p, reload_combine_note_use,
24373 add_auto_inc_notes): Likewise.
24375 * resource.c (mark_referenced_resources, mark_set_resources):
24378 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24379 reg_mentioned_p, regs_set_between_p, modified_between_p,
24380 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24381 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24382 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24383 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24385 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24387 * stupid.c (stupid_mark_refs): Likewise.
24389 * unroll.c (remap_split_bivs): Likewise.
24391 * varasm.c (mark_constants): Likewise.
24393 * a29k/a29k.c (uses_local_reg_p): Likewise.
24395 * alpha/alpha.c (summarize_insn): Likewise.
24397 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24398 eliminate_lr2ip): Likewise.
24400 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24402 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24403 reg_mentioned_in_mem): Likewise.
24405 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24406 symbolic_reference_mentioned_p): Likewise.
24408 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24410 * sh/sh.c (regs_used, mark_use): Likewise.
24412 * vax/vax.c (vax_rtx_cost): Likewise.
24414 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24416 * machmode.h (mode_name): Constify a char*.
24418 * rtl.c (mode_name): Likewise.
24420 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24422 * optabs.c (init_libfuncs): Constify a char*.
24424 * print-tree.c (mode_name): Remove redundant declaration.
24425 (print_node): Use accessor macro, not `mode_name'.
24427 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24429 (new_spill_reg): Constify a char*.
24431 * tree.c (mode_name): Remove redundant declaration.
24433 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24435 * rtl.c (rtx_name): Constify a char*.
24437 * rtl.h (rtx_name, fix_sched_param): Likewise.
24439 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24440 (mypr): Use accessor macro, not `rtx_name'.
24442 * genemit.c (print_code): Constify a char*.
24444 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24446 * genpeep.c (print_code): Constify a char*.
24448 * genrecog.c (print_code): Likewise.
24450 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24451 end_bb): Add static prototype.
24452 (draw_edge): Constify a char*.
24453 (end_bb): Remove unused parameter.
24455 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24456 print_block_visualization): Constify a char*.
24458 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24460 * c-common.c (c_get_alias_set): Update comment.
24462 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24464 * linux.h (LIB_SPEC): Added.
24466 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24468 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24470 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24472 * tree.c (expr_check): Fix typo in last change.
24474 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24476 * rtl.def (NOTE): Change format to "iuu0n".
24477 (ADDR_DIFF_VEC): Change format to "eEee0".
24478 (ADDRESSOF): Change format to "eit".
24480 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24481 (RTVEC_ELT): Change to match.
24482 (XVECEXP): Use XVEC and RTVEC_ELT.
24483 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24484 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24485 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24486 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24487 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24488 (INTVAL): Use XWINT.
24489 (ADDRESSOF_DECL): Use XTREE.
24490 (SET_ADDRESSOF_DECL): Delete.
24491 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24492 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24493 ifdefed out since 2.6 at least.
24494 (gen_rtvec_vv): Delete prototype.
24496 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24498 (copy_most_rtx): Handle 't' format letter.
24499 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24500 (gen_rtvec_vv): Delete function. All callers changed to use
24501 gen_rtvec_v instead.
24502 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24503 the '0' format letter.
24505 * function.c (gen_mem_addressof): Don't use
24506 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24508 * integrate.c (copy_rtx_and_substitute): Likewise.
24509 Copy 't' slots with XTREE.
24510 (subst_constants): Treat 't' slots like '[swi]' slots.
24511 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24512 * jump.c (rtx_equal_for_thread_p): Likewise.
24513 * rtlanal.c (rtx_equal_p): Likewise.
24514 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24515 only four arguments.
24516 * gengenrtl.c (type_from_format): Provide correct types for
24520 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24521 If a recent gcc is in use (always in stage2 and beyond), use
24522 statement expressions, so we don't make a function call unless
24523 the check fails. Evaluate arguments exactly once.
24524 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24525 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24527 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24528 they evaluate their arguments exactly once, irrespective of
24529 the compiler in use.
24531 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24532 is used by the currently-enabled check macros. This is:
24533 (tree_check_failed, tree_class_check_failed): For gcc.
24534 (tree_check, tree_class_check, cst_or_constructor_check,
24535 expr_check): For other compilers.
24537 * gencheck.c: Do not define any *_CHECK1 macros.
24539 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24540 Mark Mitchell <mark@codesourcery.com>
24542 * c-common.c (c_get_alias_set): Fix support for poitners and
24545 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24547 * alias.c: Include tree.h.
24548 (nonlocal_reference_p, mark_constant_function): New functions.
24549 * flow.c (life_analysis): Call mark_constant_function.
24550 * rtl.h (mark_constant_function): Declare it.
24552 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24554 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24555 unrecognisable switches.
24557 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24559 * loop.c (recombine_givs): Set ix field after sorting.
24560 (recombine_givs): Remove bogus index / giv lockstep looping.
24562 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24564 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24566 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24567 (do_cmp_and_jump): Formatting fixes.
24568 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24569 do_compare_rtx_and_jump instead of compare_from_rtx.
24570 (do_compare_rtx_and_jump): New function; mostly copied from
24572 (do_jump_for_compare): Delete.
24573 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24575 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24576 of compare/do_jump_for_compare pairs.
24577 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24578 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24579 compare_from_rtx/do_jump_for_compare pairs.
24580 (do_jump_by_parts_equality): Likewise.
24581 (do_jump_by_parts_equality_rtx): Likewise.
24582 * expr.h (do_compare_rtx_and_jump): Declare.
24583 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24584 that used to be in emit_cmp_insn.
24585 (cmp_available_p): New function.
24586 (prepare_operand): New function.
24587 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24588 to be in emit_cmp_insn.
24589 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24590 parameters to be pointers; don't emit final compare but modify some of
24591 the values pointed to by the args so the caller can perform the
24592 correct comparison.
24593 (expand_binop): Call emit_store_flag_force with signed forms of
24595 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24596 emit_jump_insn pair.
24597 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24598 emit_cmp_and_jump_insn_1. Call emit_queue.
24599 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24601 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24602 jump sets cc0 before deleting it.
24603 * integrate.c (expand_inline_function): Likewise.
24604 * unroll.c (unroll_loop): Similar changes in several places.
24605 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24606 before deleting it.
24608 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24610 * Makefile.in (insn-recog.o): Update dependencies.
24611 * genrecog.c (main): Make generated file include "function.h".
24613 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24615 * cse.c (cse_insn): Call never_reached_warning when a jump is
24616 changed to be unconditional.
24617 * flags.h: Declare warn_notreached.
24618 * flow.c (delete_block): Call never_reached_warning when
24619 a block is deleted.
24620 * jump.c (delete_barrier_successors): Call never_reached_warning
24621 when we delete everything after a BARRIER.
24622 (never_reached_warning): New function.
24623 * rtl.h: Declare never_reached_warning.
24624 * toplev.c (warn_notreached): New variable.
24625 (lang_independent_options): Set warn_notreached
24626 when -Wunreachable-code.
24627 (compile_file): We need line numbers for -Wunreachable-code.
24629 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24631 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24632 * sched.c (insn_unit): Likewise.
24634 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24636 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24638 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24640 * flow.c (create_edge_list): Use xmalloc, not malloc.
24642 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24644 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24645 C-style comments. Do not lose the character before double slash.
24647 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24649 * basic-block.h (struct edge_list): Stucture to maintain a vector
24651 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24652 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24653 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24654 New function prototypes.
24655 * flow.c (create_edge_list): Function to create an edge list.
24656 (free_edge_list): Discards memory used by an edge list.
24657 (print_edge_list): Debug output showing an edge list.
24658 (verify_edge_list): Internal consistency check for an edge list.
24659 (find_edge_index): Function to find an edge index for a pred and succ.
24661 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24663 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24666 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24668 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24670 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24672 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24674 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24676 * toplev.c (rest_of_compilation): Allow machine dependent
24677 reorganisation pass to place information into the RTL dump
24678 file if it so wishes.
24680 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24682 * explow.c (hard_function_value): Use VOIDmode instead of
24684 * stmt.c (expand_return): Likewise.
24685 * stor-layout.c (get_best_mode): Likewise.
24687 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24688 emit call instead of emit_insn call.
24690 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24692 * configure.in: Handle --disable/enable-win32-registry.
24693 * install.texi: Document --disable/enable-win32-registry.
24694 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24695 (WIN32_REGISTRY_KEY): New macro.
24696 * prefix.c: Use to enable/disable win32-specific code.
24697 (lookup_key): Use versioned key.
24698 * configure: Regenerate.
24699 * config.in: Likewise.
24701 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24703 * cpplib.c (read_line_number): New fn, split out of...
24706 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24708 tree.c (lang_unsave_expr_now) : New.
24709 (unsave_expr_now): Call lang_unsave_expr_now.
24710 tree.h (lang_unsave_expr_now) : New.
24712 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24714 * toplev.c (flag_new_exceptions): On by default.
24716 1999-08-13 Michael Meissner <meissner@cygnus.com>
24718 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24720 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24722 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24723 INTEGER_TYPE with precision==1, it's __java_boolean.
24725 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24727 * global.c (prune_preferences): Move some invariants out of the
24730 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24732 * configure.in (alpha*-dec-osf*): Add osf5.
24734 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24736 * configure.in: Rework handling of ARM GNU/Linux slightly.
24737 (arm*-*-linux-gnuoldld): New target.
24738 * configure: Regenerate.
24739 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24740 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24741 * config/arm/linux-oldld.h: New file.
24742 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24743 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24745 * config/arm/linux-elf.h (ASM_SPEC): Define.
24746 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24747 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24748 for 26-bit APCS and old linker.
24749 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24751 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24752 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24753 don't define `arm' or `arm_elf'.
24754 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24755 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24757 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24759 * rtl.texi: Fix typo.
24761 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24763 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24765 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24767 * extend.texi (C++ Signatures): Remove node.
24768 * invoke.texi: Remove discussion of -fhandle-signatures,
24769 signature, sigof, __signature__, and __sigof__.
24771 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24773 * Makefile.in (JAVAGC): Removed.
24775 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24777 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24779 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24781 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24783 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24785 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24786 a register that is already known to be a pointer.
24788 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24790 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24791 * fixinc/inclhack.sh: Regenerated.
24792 * fixinc/fixincl.sh: Regenerated.
24794 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24796 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24797 Fix documentation of -ansi flag to describe its C++ behavior.
24798 Remove bogus reference to GCC 2.9.
24800 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24802 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24803 note if it is non-NULL.
24805 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24807 * except.h (eh_nesting_info): Add new structure defintion.
24808 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24809 (reachable_handlers, update_rethrow_references): Add function
24811 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
24812 a rethrow symbol instead of an integer exception region number.
24813 * flow.c (Make_edges): Use new exception nesting routines to determine
24814 which handlers are reachable from a CALL or asynchronous insn.
24815 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
24817 (delete_eh_regions): Update rethrow labels, and don't delete
24818 regions which are the target of a rethrow.
24819 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
24820 avoid overloading the SYMBOL_REF_USED flag.
24821 (rethrow_symbol_map): Use new rethrow_ref field.
24822 (rethrow_used): Use new rethrow_ref field.
24823 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
24824 of an integer. Fix formatting.
24825 (output_exception_table_entry): Use new rethrow_ref field.
24826 (can_throw): Check for EH_REGION_NOTE before deciding
24827 whether a CALL can throw or not.
24828 (scan_region): Call rethrow_used() instead of accessing data structure.
24829 (update_rethrow_references): New function to make sure only regions
24830 which are still targets of a rethrow are flagged as such.
24831 (process_nestinfo): New static function to initialize a handler
24832 list for a specific region.
24833 (init_eh_nesting_info): New function to allocate and initialize
24834 the list of all EH handlers reachable from all regions.
24835 (reachable_handlers): New function to retrieve the list of handlers
24836 reachable from a specific region and insn.
24837 (free_eh_nesting_info): New function to dispose of a list of
24838 reachable handlers.
24840 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24842 * flow.c (split_edge): Set JUMP_LABEL field.
24843 (commit_one_edge_insertion): Set head correctly for insert_before.
24844 When inserting insns, update insn block numbers if allocated.
24846 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24848 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
24849 retry_incomplete_types): Add static prototype.
24850 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
24851 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
24852 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
24853 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
24854 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
24857 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
24858 dwarf2out_start_source_file, dwarf2out_line): Likewise.
24860 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24862 * output.h (assemble_name): Constify a char*.
24864 * varasm.c (UNIQUE_SECTION, assemble_start_function,
24865 assemble_variable, assemble_name): Likewise.
24867 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
24869 * arm/pe.c (arm_pe_unique_section): Likewise.
24871 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
24873 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
24875 * i386/interix.c (i386_pe_unique_section): Likewise.
24877 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
24879 * i386/winnt.c (i386_pe_unique_section): Likewise.
24881 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
24883 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
24885 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
24887 * pa/pa.c (output_call): Likewise.
24889 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
24891 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
24893 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
24896 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
24899 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
24901 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
24902 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
24904 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
24906 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24908 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
24910 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24912 * tree.h (lang_identify): Constify a char*.
24913 (print_error_function): Add extern prototype. Constify a char*.
24915 * c-lang.c (lang_identify): Constify a char*.
24917 * objc/objc-act.c (lang_identify): Constify a char*.
24919 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24921 * genpeep.c (main): Make generated file include "function.h".
24922 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
24924 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24926 * Makefile.in: Update dependencies.
24927 * alias.c: Include "function.h"
24928 * c-decl.c: Likewise.
24929 * caller-save.c: Likewise.
24930 * calls.c: Likewise.
24931 * combine.c: Likewise.
24933 * explow.c: Likewise.
24934 * final.c: Likewise.
24935 * global.c: Likewise.
24936 * graph.c: Likewise.
24937 * local-alloc.c: Likewise.
24938 * loop.c: Likewise.
24939 * optabs.c: Likewise.
24940 * profile.c: Likewise.
24941 * recog.c: Likewise.
24942 * regclass.c: Likewise.
24943 * regmove.c: Likewise.
24944 * reload.c: Likewise.
24945 * reorg.c: Likewise.
24946 * resource.c: Likewise.
24947 * sched.c: Likewise.
24948 * stupid.c: Likewise.
24949 * config/1750a/1750a.c: Likewise.
24950 * config/a29k/a29k.c: Likewise.
24951 * config/arc/arc.c: Likewise.
24952 * config/arm/arm.c: Likewise.
24953 * config/arm/thumb.c: Likewise.
24954 * config/c4x/c4x.c: Likewise.
24955 * config/clipper/clipper.c: Likewise.
24956 * config/convex/convex.c: Likewise.
24957 * config/fx80/fx80.c: Likewise.
24958 * config/i860/i860.c: Likewise.
24959 * config/m68k/m68k.c: Likewise.
24960 * config/m88k/m88k.c: Likewise.
24961 * config/mips/mips.c: Likewise.
24962 * config/pdp11/pdp11.c: Likewise.
24963 * config/pyr/pyr.c: Likewise.
24964 * config/romp/romp.c: Likewise.
24965 * config/sh/sh.c: Likewise.
24966 * config/tahoe/tahoe.c: Likewise.
24967 * config/vax/vax.c: Likewise.
24968 * config/we32k/we32k.c: Likewise.
24969 * config/sparc/sparc.c: Include "function.h".
24970 (mem_min_alignment): Test current_function rather than
24971 regno_pointer_align.
24972 * config/pa/pa.c: Likewise.
24973 (compute_frame_size): Delete declaration of
24974 current_function_outgoing_args_size.
24975 * config/arc/arc.h (current_function_varargs): Delete declaration.
24976 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
24978 * config/i370/i370.h (current_function_outgoing_args_size): Delete
24980 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
24981 current_function_uses_pic_offset_table.
24982 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
24983 of current_function_returns_pointer.
24984 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24985 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24986 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24987 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24988 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24989 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24990 * config/m88k/m88k.c: Include "function.h"
24991 (call_used_regs, current_function_pretend_args_size,
24992 current_function_outgoing_args_size, frame_pointer_needed): Delete
24994 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
24996 * config/mips/mips.h (current_function_calls_alloca): Delete
24998 * config/mn10200/mn10200.h (current_function_needs_context,
24999 rtx_equal_function_value_matters): Delete declarations.
25000 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25001 flag_pic): Delete declarations.
25002 * config/pa/pa.h (current_function_pretend_args_size,
25003 current_function_decl): Delete declarations.
25004 * config/pa/som.h (current_function_varargs): Delete declaration.
25005 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25007 * config/pyr/pyr.h (current_function_pretend_args_size,
25008 current_function_args_size, current_function_calls_alloca): Delete
25010 * config/sh/sh.h (current_function_varargs): Delete declaration.
25011 * config/sparc/sparc.h (current_function_outgoing_args_size,
25012 current_function_calls_alloca, current_function_decl): Delete
25014 * config/spur/spur.h (current_function_pretend_args_size,
25015 current_function_calls_alloca): Delete declarations.
25016 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25018 * config/vax/vms.h (current_function_name): Delete declaration.
25019 * gcse.c: Include "function.h".
25020 (current_function_name, current_function_calls_setjmp): Delete
25022 * haifa-sched.c: Include "function.h".
25023 (forced_labels): Delete declaration.
25024 * jump.c: Likewise.
25025 * reg-stack.c: Likewise.
25026 * reload1.c: Likewise.
25027 * genemit.c (main): Make generated file include function.h.
25028 * genoutput.c (output_prologue): Likewise.
25030 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25031 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25032 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25033 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25034 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25035 macros for some of them.
25036 (emit_filename, emit_lineno): Delete declarations.
25037 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25038 regno_pointer_* variables through current_function.
25039 (gen_inline_header_rtx): Delete function.
25040 (save_emit_status): Delete function.
25041 (set_new_last_label_num): New function.
25042 (clear_emit_caches): New function.
25043 (restore_emit_status): Just clear last_labelnum and call
25045 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25046 through macro seq_stack.
25047 (add_insn_after): Likewise.
25048 (add_insn_before): Likewise.
25049 (remove_insn): Likewise.
25050 (pop_topmost_sequence): Likewise.
25051 (in_sequence_p): Likewise.
25052 (start_sequence_for_rtl_expr): Likewise.
25053 (start_sequence): Likewise, and likewise for
25054 sequence_rtl_expr/seq_rtl_expr.
25055 (push_topmost_sequence): Likewise.
25056 (end_sequence): Likewise.
25057 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25058 All callers changed. Store into that pointer instead of globals.
25059 (init_emit): Allocate emit elt of current_function.
25060 Changes for sequence_rtl_expr/sequence_stack renaming.
25061 Call clear_emit_caches instead of doing it in-line.
25062 Access regno_pointer_* variables through current_function.
25063 (init_emit_once) Don't clear sequence_stack.
25065 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25067 (arg_pointer_save_area): Delete declaration.
25068 (finish_expr_for_function): Renamed from init_queue; no longer static.
25069 (init_expr): Don't call init_queue.
25070 (save_expr_status, restore_expr_status): Delete functions.
25071 (expand_expr): Changes to reflect new layout of struct function.
25072 Don't access current_function_check_memory_usage when current_function
25074 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25075 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25076 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25077 current_function_uses_const_pool, function_call_count,
25078 current_function_uses_pic_offset_table, nonlocal_labels,
25079 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25080 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25081 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25083 (finish_expr_for_function): Declare.
25084 * flags.h (current_function_has_nonlocal_label,
25085 current_function_has_nonlocal_goto, current_function_is_thunk,
25086 current_function_has_computed_jump): Delete declarations.
25087 * flow.c (forced_labels): Delete declaration.
25088 * function.c (current_function_pops_args,
25089 current_function_returns_struct, current_function_returns_pcc_struct,
25090 current_function_needs_context, current_function_calls_setjmp,
25091 current_function_calls_longjmp, current_function_has_nonlocal_label,
25092 current_function_has_nonlocal_goto, current_function_is_thunk,
25093 current_function_has_computed_jump, current_function_calls_alloca,
25094 current_function_contains_functions, current_function_returns_pointer,
25095 current_function_epilogue_delay_list, current_function_args_size,
25096 current_function_pretend_args_size, current_function_arg_offset_rtx,
25097 current_function_outgoing_args_size, current_function_varargs,
25098 current_function_stdarg, current_function_args_info, cleanup_label,
25099 current_function_name, current_function_uses_const_pool,
25100 current_function_instrument_entry_exit, current_function_return_rtx,
25101 current_function_uses_pic_offset_table, nonlocal_labels,
25102 current_function_internal_arg_pointer, current_function_cannot_inline,
25103 current_function_check_memory_usage, function_call_count,
25104 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25105 nonlocal_goto_stack_level, return_label, save_expr_regs,
25106 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25107 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25108 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25109 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25110 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25112 (push_function_context_to): Don't save them. Don't call
25113 save_storage_status, save_emit_status or save_expr_status.
25114 (pop_function_context_from): Don't restore them. Don't call
25115 restore_storage_status or restore_expr_status.
25116 (get_func_frame_size): New function.
25117 (get_frame_size): Use it.
25118 (assign_outer_stack_local): Reflect some member name changes in struct
25120 (put_reg_into_stack): Likewise.
25121 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25123 (fixup_var_refs): Likewise.
25124 (fix_lexical_addr): Likewise.
25125 (trampoline_address): Likewise.
25126 (prepare_function_start): Clear field inlinable of current_function.
25127 (init_function_for_compilation): New function.
25128 (expand_dummy_function_end): New function.
25129 (expand_function_end): Call finish_expr_for_function.
25130 * function.h (struct emit_status): New; fields moved here from struct
25131 function and from global variables. Add accessor macros for some of
25133 (struct expr_status): Likewise.
25134 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25135 (struct function): Add fields expr and emit, inlinable, inl_emit,
25136 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25137 inl_max_label_num. Add many comments.
25138 Add accessor macros for all elts of struct function that no longer
25139 have a global variable.
25140 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25141 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25142 stack_slot_list): Delete declarations.
25143 (get_func_frame_size): Declare.
25144 (save_expr_status, restore_expr_status, save_emit_status,
25145 save_storage_status, restore_storage_status): Delete declarations.
25146 (init_virtual_regs): Declare.
25147 * output.h (current_function_pops_args,
25148 current_function_returns_struct, current_function_returns_pcc_struct,
25149 current_function_needs_context, current_function_calls_setjmp,
25150 current_function_calls_longjmp, current_function_calls_alloca,
25151 current_function_has_nonlocal_label, current_function_varargs,
25152 current_function_has_computed_jump, current_function_returns_pointer,
25153 current_function_contains_functions, current_function_args_size,
25154 current_function_pretend_args_size, current_function_stdarg,
25155 current_function_outgoing_args_size, current_function_args_info,
25156 current_function_name, current_function_return_rtx,
25157 current_function_epilogue_delay_list,
25158 current_function_uses_const_pool, current_function_cannot_inline):
25159 Delete declarations.
25160 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25161 regno_reg_rtx): Delete declaration.
25162 (REGNO_POINTER_FLAG): Delete macro.
25163 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25164 function were renamed.
25165 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25167 * toplev.c: Include "function.h".
25168 (current_function_decl): Delete declaration.
25169 (compile_file): Call init_dummy_function_start and
25170 expand_dummy_function_end around some initializations that need to
25172 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25173 Call init_function_for_compilation.
25174 * unroll.c: Include "function.h"
25175 (unroll_loop): Access regno_pointer_* variables through
25178 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25179 (DECL_SAVED_INSNS): use it.
25180 (expand_dummy_function_end): Declare.
25181 (init_function_for_compilation): Declare.
25182 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25183 that it's no longer an INLINE_HEADER.
25184 (expand_call): Likewise.
25185 * integrate.c (finish_inline): Delete function.
25186 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25187 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25188 args. Don't generate an INLINE_HEADER rtx, just return the arg
25189 vector. All callers changed.
25190 (save_for_inline_copying): Create a duplicate struct emit_status to
25191 hold the emit state for compiling the current function. Use this and
25192 the other new fields in struct function that are for integration
25193 instead of an INLINE_HEADER.
25194 Use memcpy instead of bcopy.
25195 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25196 (save_for_inline_nocopy): Similar changes, except no new emit_status
25198 (expand_inline_function): Get information from function structure,
25199 not from an inline header rtx.
25200 (output_inline_function): Lose code to extract the necessary
25201 information from an inline header; simply put back the function
25202 structure into current_function. Clear its inlinable elt.
25203 * rtl.def (INLINE_HEADER): Delete.
25204 * rtl.h: Delete all accessors for an INLINE_HEADER.
25205 (gen_inline_header_rtx): Delete declaration.
25206 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25207 Delete declarations.
25208 (REGNO_POINTER_ALIGN): Delete.
25209 (clear_emit_caches): Declare.
25210 (set_new_last_label_num): Declare.
25212 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25214 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25216 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25217 * stmt.c (is_eh_region): Make sure current_function is present, too.
25219 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25221 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25222 for 64bit PA targets.
25224 * pa.h (SELECT_SECTION): Define.
25225 * som.h (SELECT_SECTION): Delete.
25227 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25229 * alias.c (init_alias_analysis): Wrap call to
25230 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25232 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25234 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25235 <sys/asm.h> contains an asm comment with an apostrophe
25236 * fixinc/inclhack.sh: regen
25237 * fixinc/fixincl.x: regen
25239 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25241 * function.c (init_function_start): Clear prologue & epilogue.
25242 (prologue_epilogue_contains): New function.
25243 * alias.c (init_alias_analysis): Use it.
25244 * rtl.h (prologue_epilogue_contains): Declare it.
25246 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25248 * jump.c (onlyjump_p): New function.
25249 * rtl.h: Declare it.
25250 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25251 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25253 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25255 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25256 to invert loops. Simplify block scanning.
25258 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25260 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25261 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25263 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25265 * config/sparc/liteelf.h: New file to support sparclite-elf target
25266 * config/sparc/t-sp86x: New file to support sparc86x targets
25267 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25268 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25269 * configure.in: Support above target triplets
25270 * configure: Regenerated
25272 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25274 * fixinc/server.c (server_setup): Do not prefix function used as
25275 parameter with `&'.
25277 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25279 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25280 Remove fp reg alternatives.
25282 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25284 * Makefiin (TAROUTOPTS): Kill.
25285 (install-headers-tar): Use "xpf" for tar headerfile extraction
25286 * i370/x-oe (TAROUTOPTS): Delete.
25287 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25288 * m68k/x-hp320 (TAROUTOPTS): Delete.
25289 * m68k/x-hp320g (TAROUTOPTS): Delete.
25290 * gcc.texi: Update bug reporting text.
25292 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25294 * reg-stack.c (change_stack) Fixed problem with negative array index.
25296 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25298 * extend.texi, install.texi: Fix spelling mistakes.
25300 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25301 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25302 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25303 PREMADE_ATTRTAB_MD.
25304 * mips/t-ecoff: Likewise.
25305 * mips/t-elf: Likewise.
25306 * mips/t-mips: Likewise.
25307 * mips/t-osfrose: Likewise.
25308 * mips/t-r3900: Likewise.
25309 * mips/t-svr3: Likewise.
25310 * mips/t-svr4: Likewise.
25311 * mips/t-ultrix: Likewise.
25313 * gcc.texi: Document recommend means to provide software floating
25314 point libraries in libgcc.a
25316 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25318 * c-lex.c (yylex): We can have a number with no digits.
25320 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25322 * jump.c (delete_prior_computation): New function, broken
25323 out of delete_computation. Check for side effects with
25324 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25325 multi-word hard registers.
25326 (delete_computation): Use it. Check for side effects with
25327 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25328 missing REG_DEAD note for a register which is both set and
25331 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25333 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25334 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25335 (ASM_FILE_START): Import _mcount with the right type.
25336 (ASM_DECLARE_FUNCTION_NAME): Define.
25337 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25338 * pa.c (output_function_prologue): Always emit the function's label
25340 * pa.h (TEXT_SPACE_P): Define.
25341 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25342 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25343 * som.h (TEXT_SPACE_P): Delete.
25344 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25345 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25347 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25349 * expr.c (emit_group_load): Allow src to be a CONCAT.
25351 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25353 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25354 (___mulsi3): Use '!' comment character.
25356 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25358 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25360 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25362 * gcc.c: Update URLs and mail addresses.
25363 * gcc.texi: Likewise.
25365 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25367 * rs6000.c (current_file_function_operand): Return zero for
25369 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25371 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25374 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25376 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25377 allocate space in the stack frame for the PIC register.
25379 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25381 * m68k.md (xordi3, anddi3): These patterns are not available on
25384 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25386 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25387 (PUT_REAL): Likewise.
25389 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25391 * final.c (shorten_branches): Don't add an alignment for loops
25392 that have no label inside.
25394 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25396 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25397 prototypes in macro HAVE_cmpstrsi.
25399 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25401 * emit-rtl.c (operand_subword): Remove unused variable
25404 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25406 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25408 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25410 * cpphash.c (macroexpand): Delete leading whitespace when arg
25411 is concatenated before.
25412 (unsafe_chars): Correct test for whether + and - can extend a
25415 * cppinit.c (cpp_start_read): Do dependencies for
25416 -include/-imacros files also.
25418 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25419 tokenizing non-directive lines.
25420 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25421 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25424 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25426 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25428 * c-lex.c: Sync with C++ frontend.
25429 (linemode): New variable.
25430 (parse_float): imag, conversion_errno, and type are output only.
25431 (yylex): Adjust. Move initial '.' case into main switch.
25433 (handle_generic_pragma): Just deal with tokens.
25434 (readescape): Use ISXDIGIT and ISGRAPH.
25435 * c-parse.in: Add END_OF_LINE token.
25437 * c-lex.c (lang_init): Generalize.
25438 (nextchar): Remove. Replace uses with UNGETC.
25439 (skip_white_space): Handle linemode here. Optimize for cpplib.
25440 (skip_white_space_on_line): Remove.
25441 (extend_token_buffer_to): New fn.
25442 (extend_token_buffer): Use it.
25443 (read_line_number, check_newline): Just deal with tokens.
25444 (token_getch, token_put_back): New fns.
25445 (yylex): Use them. More cpplib optimizations. Simplify.
25447 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25448 Jason Merrill <jason@yorick.cygnus.com>
25450 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25451 (consume_string): Make this smart about USE_CPPLIB.
25452 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25453 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25454 Also, clean up cases where we redundantly set token_buffer[0].
25455 (read_line_number): New fn.
25456 (ignore_escape_flag): New variable.
25458 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25460 * a29k/t-a29kbare: Fix some comments.
25461 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25462 (FPBIT, DPBIT): Define.
25463 * a29k/t-vx29k: Likewise.
25464 * arc/t-arc: Likewise.
25465 * arm/t-arm-elf: Likewise.
25466 * arm/t-bare: Likewise.
25467 * arm/t-pe: Likewise.
25468 * arm/t-pe-thumb: Likewise.
25469 * arm/t-semi: Likewise.
25470 * arm/t-thumb: Likewise.
25471 * arm/t-thumb-elf: Likewise.
25472 * arm/t-thumb-linux: Likewise.
25473 * h8300/t-h8300: Likewise.
25474 * i960/t-i960: Likewise.
25475 * i960/t-vxworks960: Likewise.
25476 * m32r/t-m32r: Likewise.
25477 * mips/t-ecoff: Likewise.
25478 * mips/t-elf: Likewise.
25479 * mips/t-r3900: Likewise.
25480 * pa/t-pro: Likewise.
25481 * rs6000/t-aix43: Likewise.
25482 * rs6000/t-beos: Likewise.
25483 * rs6000/t-newas: Likewise.
25484 * rs6000/t-ppccomm: Likewise.
25485 * rs6000/t-rs6000: Likewise.
25486 * rs6000/t-winnt: Likewise.
25487 * rs6000/t-xnewas: Likewise.
25488 * rs6000/t-xrs6000: Likewise.
25489 * sh/t-sh: Likewise.
25490 * sparc/t-elf: Likewise.
25491 * sparc/t-sparcbare: Likewise.
25492 * sparc/t-sparclite: Likewise.
25493 * sparc/t-splet: Likewise.
25494 * v850/t-v850: Likewise.
25495 * mn10200/t-mn10200: Fix comments.
25496 * mn10300/t-mn10300: Likewise.
25498 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25499 dummy operand. Allocate a new pseudo for the dummy operand.
25500 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25502 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25504 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25506 * configure: Rebuilt.
25507 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25509 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25511 * recog.c (preproces_constraints): Zero recog_op_alt before
25512 processing the constraints.
25514 * arm.c (typedef minipool_node): Renamed from pool_node.
25515 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25516 (add_minipool_constant): New function.
25517 (dump_minipool): New function.
25518 (find_barrier): Remove special case for getting the insn size of
25519 an insn that references the constant pool.
25520 (minipool_fixup): New structure.
25521 (push_minipool_barrier): New function.
25522 (push_minipool_fix): New function.
25523 (note_invalid_constants): New function.
25524 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25525 (arm_reorg): Rewrite code to fix up the constant pool into a
25526 series of mini-pools embedded in the insn stream.
25527 (arm_output_epilogue): New function, made mainly from the body
25528 of output_func_epilogue.
25529 (output_func_epilogue): Move insn generation part of epilogue code
25530 to arm_output_epilogue.
25531 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25532 * arm.md (pool_range): New attribute.
25533 (zero_extendqidi2): Add attribute pool_range.
25534 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25535 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25536 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25537 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25538 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25539 (epilogue): New expand.
25540 (epilogue_insn): New insn. Call arm_output_epilogue.
25542 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25543 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25545 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25547 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25549 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25551 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25553 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25555 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25557 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25559 * global.c: Fix comment.
25561 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25563 * gcc.c (access_check): New static function.
25564 (find_a_file): Use it when searching a directory list.
25565 * collect2.c (find_a_file): Don't accept directories found when
25566 searching a directory list.
25568 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25570 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25571 function parameters with `&'.
25572 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25574 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25576 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25577 or tidy_fallthru_edge if the last insn in the block is not
25578 an unconditional jump or a simple conditional jump.
25580 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25582 * Makefile.in (c-decl.o): Depends on defaults.h.
25584 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25586 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25588 (CLASS_MAX_NREGS): Likewise.
25590 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25592 * cse.c (cse_insn): Fix dumb thinko in last change.
25594 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25596 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25599 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25601 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25602 test for sizes of passed and declared parameter types.
25604 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25606 * fixincludes: Fix the return type of bsearch, char* -> void*.
25608 * fixinc/inclhack.def: Likewise.
25610 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25612 * invoke.texi (-fdump-translation-unit): New option.
25614 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25616 * expr.h (PROMOTE_PROTOTYPES): Move ...
25617 * defaults.h: ... to here.
25618 * c-decl.c: Include defaults.h instead of expr.h.
25619 * c-typeck.c: Include defaults.h.
25621 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25623 * toplev.h (errorcount): Declare.
25624 (warningcount): Likewise.
25625 (sorrycount): Likewise.
25626 * c-lex.c (errorcount): Don't declare.
25627 * dwarf2out.c (errorcount): Don't declare.
25629 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25631 * config/libgloss.h: Add a note discouraging use with ELF.
25632 * configure.in: Don't use libgloss.h for ELF targets.
25633 Always use_collect2 on a.out targets.
25635 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25637 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25638 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25640 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25642 * loop.c (strength_reduce): When doing biv->giv conversion, update
25643 reg note of NEXT->insn.
25645 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25647 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25649 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25651 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25652 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25653 Ensure expr.h is included.
25654 * c-typecheck.c (convert_arguments): Ditto.
25656 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25658 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25659 * config/convex/convex.h: Ditto.
25660 * config/dsp16xx/dsp16xx.h: Ditto.
25661 * config/fx80/fx80.h: Ditto.
25662 * config/gmicro/gmicro.h: Ditto.
25663 * config/i370/i370.h: Ditto.
25664 * config/i386/i386.h: Ditto.
25665 * config/m32r/m32r.h: Ditto.
25666 * config/m68k/m68k.h: Ditto.
25667 * config/m88k/m88k.h: Ditto.
25668 * config/mips/mips.h: Ditto.
25669 * config/pa/pa.h: Ditto.
25670 * config/pyr/pyr.h: Ditto.
25671 * config/tahoe/tahoe.h: Ditto.
25672 * config/we32k/we32k.h: Ditto.
25674 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25675 based on arch size.
25677 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25679 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25682 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25684 1999-08-02 Richard Henderson <rth@cygnus.com>
25686 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25687 for the register spill block.
25688 (m32r_va_arg): New.
25689 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25690 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25692 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25693 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25694 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25696 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25698 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25699 MAX_WCHAR_TYPE defined in sparc.h.
25700 * config/sparc/linuxaout.h: Likewise.
25701 * config/sparc/linux64.h: Likewise.
25702 Also default to -mvis if CPU is UltraSPARC.
25704 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25706 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25707 (RTX_OK_FOR_OLO10): Likewise.
25708 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25709 %lo(), allow it in addresses...
25710 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25711 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25712 does not make sense.
25713 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25714 (sparc_output_scratch_registers): New function.
25715 (output_function_prologue, sparc_flat_output_function_prologue): Use
25717 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25719 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25720 * configure.in: Add check for .register pseudo-op support in as and
25721 check for offsetable %lo().
25722 * acconfig.h: Add templates for the above checks.
25723 * configure: Regenerate.
25725 1999-08-02 Richard Henderson <rth@cygnus.com>
25727 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25728 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25729 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25731 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25733 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25736 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25738 * config/float-sparc.h: New file.
25739 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25740 sparc-*-linux-gnu and sparc64-*-linux*.
25742 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25744 * rs6000.c (rs6000_va_list): Type is an array.
25745 (rs6000_va_start): Don't doubly adjust for varargs.
25746 (rs6000_va_arg): Evaluate long long GPR adjustment.
25748 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25750 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25751 -maix64 and -maix32.
25752 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25753 LINK_SPEC): Change appropriately.
25754 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25755 (u_short_cint_operand): Likewise.
25756 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25758 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25760 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25762 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25764 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25765 for type promotion.
25766 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25767 (non_add_cint_operand): Likewise.
25768 (logical_operand): Likewise.
25769 (non_logical_cint_operand): Likewise.
25770 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25771 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25772 (rs6000_select_rtx_section): Suppress warning.
25773 (small_data_operand): Suppress warning.
25774 (rs6000_got_register): Suppress warning.
25775 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25776 type, so `J' is generally the wrong constraint for a SImode value;
25778 (andsi3_internal2): Likewise.
25779 (andsi3_internal3): Likewise.
25780 (iorsi3_internal1): Likewise.
25781 (xorsi3_internal1): Likewise.
25783 (movsf_softfloat): Likewise.
25784 (scc insns): Likewise.
25785 (movsi+2): Preserve sign bits of SImode constant.
25786 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25787 (movdf+1): Sign-extend properly.
25788 (movdi_32+1): Sign-extend properly.
25789 (scc insns): Sign-extend properly.
25791 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25794 1999-08-02 Richard Henderson <rth@cygnus.com>
25796 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25797 -mcpu parsing code.
25798 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25799 * alpha.md (all fp insns): Likewise.
25801 1999-08-02 Nick Clifton <nickc@cygnus.com>
25803 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25806 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25808 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25809 pic_load_label generator directly.
25810 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
25811 No longer a named pattern.
25813 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
25815 * explow.c (force_reg): Call force_operand if X does not
25816 satisfy general_operand.
25818 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
25820 * fix-header.c (main): When testing for CONTINUED, use string
25821 equality, not pointer equality.
25823 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
25825 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
25827 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
25829 * cse.c (cse_insn): Fix loop which deletes insns after a jump
25830 that has become an unconditional jump.
25832 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
25833 (output_function_epilogue): Similarly.
25835 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25837 * tree.h (init_dummy_function_start): Declare.
25839 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25841 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
25842 last_expr_type, last_expr_value, block_start_count, block_stack,
25843 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
25844 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
25845 dynamically in stmt elt of struct function for each function.
25846 (struct nesting): Rename function_call_count elt to n_function_calls,
25847 target_temp_slot_level to block_target_temp_slot_level. All users
25849 (struct stmt_status): New structure definition.
25850 Add many accessor macros for stmt_status elements which previously
25851 were global variables.
25852 (init_stmt_for_function): Allocate stmt elt for current_function.
25853 Reflect that block_start_count was renamed to
25854 current_block_start_count.
25855 (save_stmt_status, restore_stmt_status): Delete functions.
25856 (preserve_subexpressions_p): Don't access loop_stack when outside
25858 (expand_start_bindings): Reflect that block_start_count was renamed to
25859 current_block_start_count.
25860 (expand_fixup): Likewise.
25861 (expand_decl): Don't access block_stack when outside a function.
25862 (expand_decl_cleanup): Likewise.
25863 (expand_dcc_cleanup): Likewise.
25864 (expand_dhc_cleanup): Likewise.
25865 (expand_anon_union_decl): Likewise.
25866 (set_file_and_line_for_stmt): New function.
25867 (in_control_zone_p): New function.
25869 * function.h (struct function): Add new elt stmt.
25870 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
25871 case_stack, nesting_stack, nesting_depth, block_start_count,
25872 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
25873 emit_lineno, goto_fixup_chain.
25874 (save_eh_status, restore_eh_status, save_stmt_status,
25875 restore_stmt_status): Delete declarations.
25876 * function.c (push_function_context_to): Don't call save_stmt_status.
25877 (pop_function_context_to): Don't call restore_stmt_status.
25878 * tree.h (in_control_zone_p): Declare.
25879 * rtl.h (set_file_and_line_for_stmt): Declare.
25881 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
25882 call set_file_and_line_for_stmt.
25884 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
25886 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
25887 Also update copyright.
25889 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25891 * c-pragma.c: Don't include "except.h".
25892 * emit-rtl.c: Likewise.
25893 * stor-layout.c: Likewise.
25894 * tree.c: Likewise.
25895 * varasm.c: Likewise.
25897 * flow.c: Include "function.h".
25898 * tree.h (init_dummy_function_start): Declare new function.
25900 * except.h (struct eh_status): New structure.
25901 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
25903 (eh_return_stub_label, ehstack, catchstack, ehqueue,
25904 catch_clauses, false_label_stack, caught_return_label_stack,
25905 protect_list, current_function_ehc): Add accessor macros for the
25906 corresponding fields in current_function->eh; delete declarations
25907 for all items that used to be declared here.
25908 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
25909 catch_clauses, false_label_stack, caught_return_label_stack,
25910 protect_list, current_function_ehc): Delete variables.
25911 (init_eh_for_function): Allocate current_function->eh.
25912 (save_eh_status, restore_eh_status): Delete functions.
25914 * function.h (struct function): Add fields next_global and eh.
25915 Delete all exception handling related fields.
25916 * function.c (current_function): New variable.
25917 (all_functions): New variable.
25918 (push_function_context_to): Don't allocate a struct function,
25919 use current_function instead. Call init_dummy_function_start when
25920 outside a function. Clear current_function before returning.
25921 (pop_function_context_from): Restore current_function.
25922 Don't free the restored struct function.
25923 (prepare_function_start): New function.
25924 (init_dummy_function_start): New function.
25925 (init_function_start): Break out some code into prepare_function_start
25928 * stmt.c (save_stmt_status): Don't call save_eh_status.
25929 (restore_stmt_status): Don't call restore_eh_status.
25931 * Makefile.in: Update dependencies.
25933 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
25935 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
25936 of depending on a magic constant value. Update comments.
25937 (hppa_expand_prologue): Similarly.
25939 * pa.md (reload_indi, reload_outdi): Allow any register for the
25940 original reload register.
25942 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
25944 * cccp.c (print_help): Change marcos to macros.
25946 1999-07-30 Richard Henderson <rth@cygnus.com>
25948 * c-typeck.c (initializer_constant_valid_p): Move ...
25949 * c-common.c (initializer_constant_valid_p): ... here. Use
25950 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
25951 of label addresses.
25952 * c-common.h (initializer_constant_valid_p): Declare.
25953 * c-tree.h (initializer_constant_valid_p): Remove.
25955 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
25957 * config/i386/sol2-c1.asm: Align the stack.
25958 * config/i386/sol2-gc1.asm: Likewise.
25960 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
25962 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
25963 -Asparclite for sparc86x.
25964 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
25966 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
25968 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
25970 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
25971 the user if using the non-default arch size in BI_ARCH configuration.
25972 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
25974 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
25975 Fix patterns so that they actually match.
25976 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
25977 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
25978 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
25980 (mulsidi3): Reflect this in the expand.
25981 (smulsi3_highpart): Only on TARGET_ARCH32.
25982 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
25983 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
25984 (umulsidi3): Reflect this in the expand.
25985 (umulsi3_highpart): Only on TARGET_ARCH32.
25986 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
25987 don't require g0 to be zero.
25988 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
25989 ({,u}divsi3): New expands.
25990 ({,u}divsi3_sp64): New patterns.
25991 (after lshrdi3_v8plus): Four new patterns to help combiner
25992 optimizing nested mixed mode shifts.
25994 * config/sparc/sparc.c (sparc_override_options): Use deprecated
25995 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
25996 speed things up. Don't use them by default on plain v9 in 64bit
25997 mode, according to what SPAMv9 sais.
25999 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26000 top 32 bits of %[og][0-7] in signal handlers.
26001 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26003 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26005 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26006 (ashlsi3): Corresponding changes.
26008 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26010 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26012 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26014 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26016 * arm.h (Hint): Delete macro.
26017 Substitute HOST_WIDE_INT for Hint in some prototypes.
26018 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26020 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26022 * builtins.c (expand_builtin_setjmp): Use force_operand to
26023 make sure that the buffer address is in a suitable form to be
26024 passed to force_reg.
26026 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26028 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26031 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26033 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26034 proper mode in the condition string.
26035 (icacheflush, dcacheflush): Remove modes from match_operands.
26037 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26038 proper mode before using it.
26040 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26043 * pa.c (store_reg): Do not call add_high_const generator directly.
26044 (load_reg, set_reg_plus_d): Likewise.
26045 * pa.md (add_high_const): No longer a named pattern.
26047 * pa.c (legitimize_address): Consistently use Pmode rather than
26048 SImode. Do not call gen_pic2_highpart directly anymore.
26049 * pa.md (pic2_highpart): No longer a named pattern.
26050 (pic2_lo_sum): Similarly. Reformat to make more readable.
26052 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26057 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26059 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26061 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26063 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26064 and tag the spill mems.
26065 (hppa_va_start): New.
26066 (hppa_va_arg): New.
26067 * pa.h (EXPAND_BUILTIN_VA_START): New.
26068 (EXPAND_BUILTIN_VA_ARG): New.
26070 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26072 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26073 and tag the spill mems.
26074 (mn10300_va_start): New.
26075 (mn10300_va_arg): New.
26076 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26077 (EXPAND_BUILTIN_VA_ARG): New.
26079 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26081 * mn10200.c (mn10200_va_arg): New.
26082 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26084 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26086 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26087 rather than play with TREE_INT_CST_LOW.
26089 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26091 * config/arm/telf.h: Include dbxelf.h.
26092 (CPP_PREDEFINES): Only define if not already defined.
26093 (ASM_IDENTIFY_GCC): Likewise.
26094 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26095 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26096 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26098 (DBX_DEBUGGING_INFO): Don't define.
26099 * config/arm/linux-telf.h: New file.
26100 * config/arm/linux-tgas.h: New file.
26101 * config/arm/t-thumb-linux: New file.
26102 * config/arm/uclinux-elf.h: New file.
26103 * config/arm/uclinux-telf.h: New file.
26104 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26105 thumb-*-uclinux): New targets.
26106 * configure: Regenerate.
26108 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26110 * pa.md (post_store, pre_load): New expanders.
26111 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26112 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26113 need to directly generate RTL for them.
26114 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26117 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26119 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26120 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26121 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26122 (secndary_reload_class): Make TARGET_ELF conditional compile.
26123 (print_operand_address): Similar.
26124 (output_toc): Print all values as hex.
26125 (get_issue_rate): Rearrange and add RS64A and PPC630.
26126 * rs6000.h (processor_type): Add RS64A and PPC630.
26127 (PROCESSOR_POWERPC64): New.
26128 (PROMOTE_MODE): Use word_mode.
26129 (RTX_COSTS): Add RS64A and PPC630.
26130 * rs6000.md (scheduling information): Add lmul and ldiv
26131 representing 64-bit integer multiply and divide. Add rs64a and
26132 PPC630 information.
26133 (ashldi3): Add support for "rldic" instruction.
26134 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26136 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26138 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26139 instead of V8 for sparclite86x in cpu_table.
26141 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26143 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26144 output_file_directive.
26146 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26148 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26149 tree for op1, not the rtl.
26151 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26153 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26154 to m88k_va_start, leaving only the register spill.
26155 (m88k_build_va_list): New.
26156 (m88k_va_start): New.
26157 (m88k_va_arg): New.
26158 * m88k.h (BUILD_VA_LIST_TYPE): New.
26159 (EXPAND_BUILTIN_VA_START): New.
26160 (EXPAND_BUILTIN_VA_ARG): New.
26162 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26164 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26165 Rename from expand_builtin_saveregs.
26166 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26168 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26170 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26171 for the register spill block.
26172 (i960_build_va_list): New.
26173 (i960_va_start): New.
26174 (i960_va_arg): New.
26175 * i960.h (BUILD_VA_LIST_TYPE): New.
26176 (EXPAND_BUILTIN_VA_START): New.
26177 (EXPAND_BUILTIN_VA_ARG): New.
26178 * i960.md (store_multiple): Use change_address on individul mems.
26180 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26182 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26184 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26185 (expand_builtin_va_end): Evaluate arg for side effects.
26186 * c-common.c (c_common_nodes_and_builtins): Construct a
26187 va_list_arg_type_node to handle array decomposition to pointer.
26189 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26191 * except.c (st_dynamic_cleanup): Use force_operand on the
26194 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26196 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26197 * c4x.c (c4x_va_arg): New.
26199 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26201 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26202 has manual_pop set.
26204 1999-07-26 Nathan Sidwell <nathan@acm.org>
26206 * eh-common.h (__eh_matcher): Prototype correctly.
26208 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26210 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26211 (TARGET_SINGLE_PIC_BASE): Likewise.
26212 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26214 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26215 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26216 (TARGET_OPTIONS): Add -mpic-register=N.
26217 (OUTPUT_INT_ADDR_CONST): New macro.
26218 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26219 LEGITIMATE_PIC_OPERAND_P): Likewise.
26220 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26221 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26222 output_addr_const directly.
26223 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26225 (thumb_pic_register, thumb_pic_register_string): Declare.
26227 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26229 (label_mentioned_p): New function: Imported from arm.c.
26230 (legitimize_pic_address): New function: Imported from arm.c.
26231 (is_pic):New function: Imported from arm.c.
26232 (thumb_finalize_pic):New function: Imported from arm.c.
26233 (add_constant): Cope with PIC constants.
26234 (fixit): Cope with PIC constants.
26235 (output_return): Do not treat the PIC register as live if
26236 TARGET_SINGLE_PIC_BASE is true.
26237 (thumb_function_prologue): Do not treat the PIC register as live if
26238 TARGET_SINGLE_PIC_BASE is true.
26239 (thumb_expand_prologue): Do not treat the PIC register as live if
26240 TARGET_SINGLE_PIC_BASE is true.
26241 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26242 TARGET_SINGLE_PIC_BASE is true.
26243 (thumb_print_operand): Accept '|'.
26244 (thumb_override_options): Process PIC options.
26246 * config/arm/thumb.md (movsi): Support PIC.
26247 (call_insn): Change "i" constraint to "X".
26248 (call_value_insn): Likewise.
26249 (consttable_4, consttable_8, consttable_end): Set and clear
26250 "making_const_table" as appropriate.
26251 (pic_load_addr, pic_add_dot_plus_four): New insns.
26253 * invoke.texi (Thumb Options): Fix spelling. Document new
26254 options -msingle-pic-base and -mpic-register=.
26256 1999-07-26 Andrew Haley <aph@cygnus.com>
26258 * config/m32r/initfini.c (__init): Use a full word immediate for
26259 __fini: this allows it to be placed in any memory region.
26261 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26262 -mmodel=medium. This is OK for all memory models.
26264 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26266 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26267 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26269 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26271 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26274 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26276 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26278 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26279 (BUILD_VA_LIST_TYPE): New.
26280 (EXPAND_BUILTIN_VA_START): New.
26281 (EXPAND_BUILTIN_VA_ARG): New.
26282 * i860.c (output_delayed_branch): Disable.
26283 (output_delay_insn): Likewise.
26284 (i860_saveregs): New.
26285 (i860_build_va_list): New.
26286 (i860_va_start): New.
26287 (i860_va_arg): New.
26288 * i860.md: Disable all peepholes using output_delayed_branch.
26289 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26291 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26293 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26294 (BUILD_VA_LIST_TYPE): New.
26295 (EXPAND_BUILTIN_VA_START): New.
26296 (EXPAND_BUILTIN_VA_ARG): New.
26297 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26298 Return the address of the save area.
26299 (clipper_build_va_list): New.
26300 (clipper_va_start): New.
26301 (clipper_va_arg): New.
26303 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26305 * arc.h (EXPAND_BUILTIN_VA_START): New.
26306 (EXPAND_BUILTIN_VA_ARG): New.
26307 * arc.c (arc_setup_incoming_varargs): Set alias set of
26309 (arc_va_start): New.
26312 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26314 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26315 (BUILD_VA_LIST_TYPE): New.
26316 (EXPAND_BUILTIN_VA_START): New.
26317 (EXPAND_BUILTIN_VA_ARG): New.
26318 * alpha.c (alpha_builtin_saveregs): Delete.
26319 (alpha_build_va_list): New.
26320 (alpha_va_start): New.
26321 (alpha_va_arg): New.
26323 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26325 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26327 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26328 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26330 * gcc.texi: More changes related to list conversion.
26331 * invoke.texi: Likewise.
26333 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26335 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26336 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26337 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26338 (stabilize_va_list): New function.
26339 (std_expand_builtin_va_start): New function.
26340 (expand_builtin_va_start): New function.
26341 (get_varargs_alias_set): New function.
26342 (std_expand_builtin_va_arg): New function.
26343 (expand_builtin_va_arg): New function.
26344 (expand_builtin_va_end): New function.
26345 (expand_builtin_va_copy): New function.
26346 (expand_builtin): Call them.
26347 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26348 __builtin_{varargs_start,stdarg_start,end,copy}.
26349 (build_va_arg): New function.
26350 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26351 (build_va_arg): Declare.
26352 * c-decl.c (ptr_type_node, va_list_type_node): New.
26353 * c-parse.gperf (__builtin_va_arg): New.
26354 * c-parse.in (VA_ARG): New token.
26355 (unary_expr): Recognize it.
26356 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26357 * expr.h (std_expand_builtin_va_start): Declare.
26358 (std_expand_builtin_va_arg): Declare.
26359 (expand_builtin_va_arg): Declare.
26360 (get_varargs_alias_set): Declare.
26361 * tree.def (VA_ARG_EXPR): New.
26362 * tree.h (BUILT_IN_VARARGS_START): New.
26363 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26364 (ptr_type_node, va_list_type_node): Declare.
26365 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26366 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26367 * m88k.h, m88k.c: Likewise.
26368 * mn10300.h, mn10300.c: Likewise.
26369 * pa.h, pa.c: Likewise.
26370 * rs6000.h, rs6000.c: Likewise.
26371 * sh.h, sh.c: Likewise.
26372 * sparc.h, sparc.c: Likewise.
26374 * emit-rtl.c (operand_subword): Copy alias set.
26375 (change_address): Likewise.
26377 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26379 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26380 not just the first one.
26382 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26384 * config/arm/arm.h (TARGET_SWITCHES): Add
26385 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26386 (TARGET_OPTIONS): Add -mpic-register=.
26387 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26388 (arm_pic_register_string): Declare.
26389 (NEED_PLT_GOT): Delete, replace with ...
26390 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26391 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26392 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26393 * config/arm/arm.c (arm_override_options): Add new option
26395 (arm_pic_register_string): New variable.
26396 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26397 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26398 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26399 (output_return_instruction): Likewise.
26400 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26401 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26402 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26404 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26405 mention of -msched-prolog. Document new options -msingle-pic-base
26406 and -mpic-register=.
26408 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26410 * haifa-sched.c (reemit_notes): Tidy.
26411 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26414 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26416 * explow.c (trunc_int_for_mode): New function.
26417 (plus_constant_wide): Use it.
26418 * combine.c (simplify_and_const_int): Likewise.
26419 (merge_outer_ops): Likewise.
26420 (simplify_shift_const): Likewise.
26421 * cse.c (simplify_unary_operation): Likewise.
26422 (simplify_binary_operation): Likewise.
26423 * emit-rtl.c (operand_subword): Likewise.
26424 * rtl.h: Declare it.
26426 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26428 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26429 (use NUM_REGS instead of NUM_INTS).
26431 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26433 * builtins.c: New file.
26434 * expr.c (saveregs_value, apply_args_value): Delete definition,
26435 moved into builtins.c.
26436 (string_constant): No longer static.
26437 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26438 apply_args_size, apply_result_size, result_vector,
26439 expand_builtin_apply_args, expand_builtin_apply,
26440 expand_builtin_return): Delete functions, moved into builtins.c.
26441 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26442 * expr.h (saveregs_value, apply_args_value): Declare variables.
26443 (expand_builtin, string_constant): Declare functions.
26444 * Makefile.in: Update to build builtin.o.
26446 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26448 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26449 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26450 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26451 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26453 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26456 1999-07-21 Michael Meissner <meissner@cygnus.com>
26458 * print-rtl.c (print_rtx): Print the names of the virtual
26461 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26463 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26464 introduced in previous delta.
26466 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26468 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26469 to avoid name clash.
26471 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26473 * c-lex.c (yylex) : Correct the test for overflow when lexing
26476 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26478 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26479 (adjust_priority): Always call ADJUST_PRIORITY.
26480 (schedule_insn): Only put insns into the ready at cost 0.
26481 (schedule_block): Remove redundant initial sort. Give clock_var
26482 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26484 * tm.texi (MD_SCHED_REORDER): Update docs.
26486 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26487 * sparc.c (ultra_reorder_called_this_block): Delete.
26488 (ultrasparc_sched_init): Don't set it.
26489 (ultrasparc_sched_reorder): Don't check it.
26491 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26493 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26494 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26495 (function_arg_boundary): Align DFmode.
26496 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26497 to get fp reg and stack overflow correct.
26498 (function_arg): Likewise.
26499 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26500 (setup_incoming_varargs): Restructure for ABI_V4; use
26501 function_arg_advance to skip final named argument.
26502 (expand_builtin_saveregs): Properly unskip the last integer arg
26503 when doing varargs. Adjust overflow location calculation.
26505 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26506 explicitly unsigned.
26507 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26508 (__VA_GP_REGSAVE): Similarly.
26509 (__va_longlong_p): Delete.
26510 (__va_arg_type_violation): New declaration.
26511 (va_arg): Restructure. Flag promotion errors. Align double.
26512 TFmode passed by reference.
26514 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26515 in the HOST_BITS_PER_WIDE_INT > 32 case.
26517 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26519 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26521 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26523 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26524 * toplev.c (documented_lang_options): Add -fpreprocessed.
26525 * cpplib.h (struct cpp_buffer): Add preprocessed.
26526 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26527 (cpp_start_read): Don't expand macros or emit an initial #line
26528 directive if -fpreprocessed.
26530 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26532 * cpplib.h (struct cpp_buffer): Added manual_pop for
26533 better C++ tokenization.
26534 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26535 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26536 * c-common.c (cpp_token): Make non-static.
26538 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26540 * c-common.h: New file.
26541 * c-common.c (permanent_obstack): Delete unused declaration.
26542 (c_global_trees): New array.
26543 (c_common_nodes_and_builtins): New function; split off common code
26544 from init_decl_processing in both c-decl.c and cp/decl.c.
26545 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26546 c_global_trees and accessor macros defined in c-common.h.
26547 Include c-common.h.
26548 * c-decl.c: Delete definitions for tree nodes that were replaced by
26550 (init_decl_processing): Build void_list_node.
26551 Call c_common_nodes_and_builtins; delete code to generate the common
26553 * objc/objc-act.c (build_module_descriptor): Rename variable
26554 void_list_node to avoid clash with c-common.h.
26556 * Makefile.in: Update dependencies.
26557 * objc/Make-lang.in: Likewise.
26559 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26561 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26562 (UNIQUE_SECTION_P): Likewise.
26563 (UNIQUE_SECTION): Likewise.
26565 1999-07-19 Linas Vepstas <linas@linas.org>
26567 * config/i370/README: New file.
26568 * config/i370/linux.h: New file.
26569 * config/i370/mvs.h: New file.
26570 * config/i370/oe.h: New file.
26571 * config/i370/t-linux: New file.
26572 * config/i370/t-mvs: New file.
26573 * config/i370/t-oe: New file.
26574 * config/i370/x-oe: New file.
26575 * config/i370/xm-linux.h: New file.
26576 * config/i370/xm-mvs.h: New file.
26577 * config/i370/xm-oe.h: New file.
26579 * i370.c (label_node_t): Add first_ref_page, label_addr,
26580 label_first_ref, label_last_ref members.
26581 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26582 (MAX_MVS_LABEL_SIZE): Define.
26583 (MAX_LONG_LABEL_SIZE): Define.
26584 (alias_node_t, alias_anchor, alias_number): New.
26585 (mvs_function_table): Reorder for EBCDIC.
26586 (ascebc, ebcasc): Unconditionally define.
26587 (i370_branch_dest, i370_branch_length): New functions.
26588 (i370_short_branch, i370_label_scan): New functions.
26589 (mvs_get_label): Renamed from mvs_add_label. Search for
26590 an existing label before creating a new one.
26591 (mvs_add_label): New function.
26592 (mvs_get_label_page): New function.
26593 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26594 over the entire list.
26595 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26596 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26597 (mvs_add_alias, mvs_need_alias): New functions.
26598 (mvs_get_alias, mvs_check_alias): New functions.
26599 (handle_pragma): New function.
26600 (mvs_function_check): New function.
26601 (unsigned_jump_follows_p): Search harder.
26602 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26603 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26604 * i370.h (TARGET_VERSION): Delete.
26605 (CPP_SPEC, CPP_PREDEFINES): Delete.
26606 (mvs_label_emitted): Delete.
26607 (TARGET_EBCDIC): Delete.
26608 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26609 (HANDLE_PRAGMA): Define.
26610 (HARD_REGNO_NREGS): Handle complex modes.
26611 (HARD_REGNO_MODE_OK): Likewise.
26612 (CLASS_MAX_NREGS): Likewise.
26613 (RET_REG): Likewise.
26614 (EXTRA_CONSTRAINT): Define.
26615 (RETURN_IN_MEMORY): True for DImode.
26616 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26617 (FUNCTION_PROFILER): Delete.
26618 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26619 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26620 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26621 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26622 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26623 (ASM_FILE_START): Add "RMODE ANY".
26624 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26625 (ASM_GLOBALIZE_LABEL): Likewise.
26626 (ASM_OUTPUT_LABELREF): Likewise.
26627 (ASM_OUTPUT_COMMON): Likewise.
26628 (PRINT_OPERAND): Handle 'K', 'W', default.
26629 (PRINT_OPERAND_ADDRESS): New.
26630 (Lots of defines): Add support for TARGET_ELF_ABI.
26631 * i370.md (attr length): New. Define for all patterns.
26632 (*): Lots of tweeks to assembly output and constraints.
26634 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26636 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26637 Disable patterns performing SImode comparisons with SImode values
26638 if TARGET_POWERPC64 and instruction does not sign-extend or does
26639 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26640 differ for signed quantities.
26641 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26642 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26643 (decrement_and_branch_on_count): Add 64-bit variant.
26645 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26647 * final.c (output_asm_insn): When searching for the matching string
26648 for a given dialect, don't run past the end of the list of
26649 alternatives if there are fewer alternatives in the template than
26652 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26654 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26655 Removed paragraph about compression of files and size limitation,
26656 duplicated in the FAQ. Use gcc-patches for posting patches.
26657 * gcc.c (main): Updated URL with bug reporting instructions to
26658 gcc.gnu.org. Removed e-mail address.
26659 * system.h (abort): Likewise.
26661 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26663 * Makefile.in (stmp-multilib-sub): Make the files extracted
26664 from $(LIBGCC1) writable.
26666 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26668 * config/arm/aout.h: Reformat for improved readability.
26670 * config/arm/arm.h: Reformat for improved readability.
26671 Replace uses of fprintf with asm_fprintf where appropriate.
26672 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26673 function declaration assembler actions.
26674 (NUM_INTS): New macro: Convert from bytes to words.
26675 (NUM_REGS): New macro: Compute number of registers required to
26676 hold a quanitity of tyep MODE.
26677 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26679 (NUM_ARG_REGS): New macro: The number of argument registers
26681 (ARG_REGISTER): New macro: Compute the register number of the Nth
26683 (LAST_ARG_REGNUM): New macro: The number of the last argument
26685 (SP_REGNUM): New macro: Register number of the stack pointer.
26686 (FP_REGNUM): New macro: Register number of the frame pointer.
26687 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26688 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26689 CUMULATIVE_ARGS so that it counts registers not bytes.
26691 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26693 Replace uses of fprintf with asm_fprintf where appropriate.
26694 (output_ascii_pseudo_op): Replace with version from thumb.c
26696 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26698 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26699 SUBTARGET_CPP_SPEC.
26700 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26701 (ASM_FILE_START): Emit ASM_APP_OFF.
26703 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26705 * pa.c (compute_frame_size): Round frame according to
26706 STACK_BOUNDARY rather than a hardwired value.
26708 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26710 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26712 * configure: Rebuilt.
26714 * configure.in (hppa*-*-linux*): New configuration.
26715 * configure: Rebuilt.
26716 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26717 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26718 * pa/pa-linux.h: New file.
26719 * pa/t-linux: New file.
26720 * pa/xm-linux.h: New file.
26722 * pa.c (hppa_legitimize_address): Change references from SImode to
26723 either Pmode or word_mode as appropriate.
26724 (emit_move_sequence, store_reg, load_reg): Likewise.
26725 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26726 (output_mul_insn): Likewise.
26727 * pa.h (PROMOTE_MODE): Likewise.
26728 (INITIALZE_TRAMPOLINE): Likewise.
26729 (Pmode): Define to word_mode.
26731 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26732 value of 4. Allocate 8 bytes for each FP register save.
26733 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26735 (hppa_expand_prologue): Likewise.
26736 * pa.h (PROMOTE_MODE): Likewise.
26737 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26738 (FUNCTION_ARG_BOUNDARY): Likewise.
26740 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26742 * pa.c (out_of_line_prologue_epilogue): Delete.
26743 (override_options): Remove -mspace related code.
26744 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26745 (compute_frame_size): Only allocate space for register that
26746 actually need to be saved.
26747 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26748 (TARGET_SWITCHES): Remove -mspace, -mno-space
26749 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26750 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26751 * pa/ee.asm, pa/ee_fp.asm: Delete.
26753 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26755 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26756 directive in column zero.
26758 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26760 * m68k.c (output_function_prologue): Fix computation of save mask
26761 when generating PIC code.
26763 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26765 * tree.c (build_type_attribute_variant): Move current_obstack restore
26766 after build_qualified_type call.
26768 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26770 * configure.in: Use t-iris6, even with GNU LD.
26771 * config/mips/iris6gld.h: Fix typo in linker spec.
26772 * config/mips/t-iris6gld: Remove.
26774 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26776 * rs6000.md (insv, extzv): Remove SImode dependence in named
26777 patterns. Explicitly generate DImode RTL if PowerPC64 and
26779 (insvdi): Reverse start and size in instruction template.
26781 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26783 * invoke.texi: Typo fixes.
26785 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26787 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26788 handle at this time instead of silently generating incorrect code.
26789 (gen_imagpart): Likewise.
26791 * reload.c (find_reloads): Emit a USE for a pseudo register without
26792 a hard register if we could not create an optional reload for the
26795 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26797 * c-typeck.c (output_init_element, process_init_element):
26798 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26799 check for nameless bit fields.
26801 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26803 * regclass.c (scan_one_insn): Notice subregs that change the
26804 size of their operand.
26805 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26807 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26809 * configure.in (alpha*-*-*): Include alpha/t-ieee.
26810 * configure: Rebuilt.
26811 * alpha/t-ieee: New file.
26813 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
26815 * rs6000.c (find_addr_reg): Do not select r0 as an address
26818 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
26820 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
26822 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
26824 * rs6000.md (movsf): Do not force easy FP constants into memory.
26826 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
26827 immed_double_const to ensure they are properly truncated then
26830 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26832 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
26833 always unless NO_DEBUG is used. Compile this code
26835 (replace_symbols_in_block): Compile it unconditionally.
26837 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
26839 * configure.in (i?86-*-elf*): New target.
26840 * configure: Rebuilt.
26841 * i386/i386elf.h, i386/t-i386elf: New files.
26843 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26845 * toplev.c (main): Don't complain about saying -gdwarf.
26846 (rest_of_compilation): Remove redundant code.
26848 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
26850 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
26852 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
26854 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
26855 "Li960R:", to avoid name clash.
26857 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26859 * loop.c (check_dbra_loop): When reversing a loop, delete all
26860 REG_EQUAL notes referencing the reversed biv except those which are
26861 for a giv based on it.
26863 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
26865 * version.c: Drop "gcc-" prefix from version #.
26867 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
26869 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
26870 the label if we're being verbose.
26872 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
26874 * m68k.c (output_function_prologue): Add pic register to mask
26875 if live and flag_pic.
26876 (output_function_epilogue): Likewise.
26878 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
26880 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
26881 directives in column zero.
26883 * pa/elf.h (ASM_FILE_START): Define.
26884 * pa/som.h (ASM_FILE_START): Include .level directives.
26885 * pa/hpux10.h (ASM_FILE_START): Delete.
26886 * pa/hpux11.h (ASM_FILE_START): Delete.
26888 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
26890 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26892 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
26893 when reload_out equals reload_in.
26895 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
26897 * invoke.texi (Spec Files): New node: Describe the contents of
26900 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
26902 * invoke.texi (DEC Alpha Options): Put @end table at
26903 beginning of line, to avoid confusing texi2html.
26905 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
26907 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
26908 introduced in previous delta.
26910 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26912 * reload1.c (gen_reload): When synthesizing a 3 operand add
26913 sequence, improve test for when to reload OP1 into the reload
26914 register instead of OP0.
26916 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
26918 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
26920 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
26922 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
26925 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
26927 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
26928 (va_dcl): Use __builtin_va_alist_t.
26930 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
26932 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
26933 on the permanent_obstack.
26934 * dwarfout.c (output_type): Likewise.
26936 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
26938 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26939 Merged from c-typeck.c and cp/typeck.c.
26940 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26941 Merged into c-common.
26943 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
26945 * c-lex.c (errorcount): Declare it.
26946 (finish_parse): Update errorcount when using CPPLIB.
26948 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
26950 * fixinc/inclhack.def(end_else_label): Double the backslash so
26951 sed gets a chance to see it.
26952 * fixinc/inclhack.sh: regen
26953 * fixinc/fixincl.x: regen
26955 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
26957 Add framework to support armv5 architecture when it becomes
26960 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
26961 (arm_arch5): New variable.
26962 (all_architectures): Add armv5 line.
26963 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
26964 -march=armv5 is specified on the command line.
26965 (arm_arch5): Export this variable.
26966 * invoke.texi: Document new string accepted by -march= switch for
26969 * config/arm/arm.h: Replace use of constant 12 as a register
26970 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26971 * config/arm/arm.c: Replace use of constant 12 as a register
26972 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26974 * config/arm/elf.h: Tidy up.
26975 * config/arm/coff.h: Tidy up.
26977 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
26979 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
26980 * gcc/config/mips/t-iris6gld: New file.
26981 * gcc/config/mips/iris6gld.h: Likewise.
26983 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
26985 * c-decl.c (widest_integer_literal_type_node,
26986 widest_unsigned_literal_type) : New.
26987 (init_decl_processing): Handle/use the two new types.
26988 * c-common.c (type_for_size,type_for_mode) : Same.
26989 * c-lex.c (yylex) : Same.
26990 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26992 * c-tree.h (widest_integer_literal_type_node,
26993 widest_unsigned_literal_type) : New.
26995 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
26997 * dwarfout.c (field_byte_offset): Correctly compute the object's
26998 byte offset for the first bit of a field which crosses an alignment
26999 boundary on a !BYTES_BIG_ENDIAN target.
27001 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27003 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27006 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27007 Jeff Law <law@cygnus.com>
27009 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27012 * except.c: Include intl.h.
27013 (expand_eh_return): Set current_function_cannot_inline.
27014 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27015 * function.h (struct function): Add eh_return_stub_label.
27016 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27017 * Makefile.in (except.o): Depend on intl.h.
27019 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27021 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27022 same as offsettable in cases 1 and 2.
27024 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27026 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27027 (extlh, extwh): Likewise.
27029 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27031 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27033 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27035 * configure.in: Add arm-pe and thumb-pe targets.
27036 * configure: Regenerate.
27038 * thumb.c (arm_naked_function_p): New function: Determines if
27039 a function is naked (has no gcc generated prologue/epilogue).
27040 (is_called_in_ARM_mode): Return true if the func has the
27041 interfacearm attribute.
27042 (output_return): Do not generate a return for naked functions.
27043 (thumb_function_prologue): Do not generate a prologue for
27045 (thumb_expand_prologue): Do not generate a prologue for naked
27047 (thumb_expand_epilogue): Do not generate an epilogue for naked
27049 (arm_valid_machine_decl_attribute): New function, copied from
27050 arm.c: Permit naked and interfacearm attributes.
27052 * config/arm/pe.c: New file: Support code for arm-pe target.
27053 * config/arm/pe.h: New file: Header file for arm-pe target.
27054 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27055 * config/arm/t-thumb-pe: New file: Makefile fragment for
27058 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27060 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27061 -fPIC or -fpic is specified.
27063 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27065 * expr.c (emit_block_move): Use copy_to_mode_reg for
27066 !TARGET_MEM_FUNCTIONS case too.
27068 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27070 * configure: Rebuilt.
27071 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27072 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27073 definitions made redundant by dbxelf.h inclusion. Delete
27074 lots of definitions related to assembly output that are
27075 specific to the SOM object format.
27076 * pa.c (output_function_prologue): Do not emit the function's
27078 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27079 * pa-pro.h: Deleted.
27080 * som.h: New file with SOM specific definitions.
27081 * elf.h: New file with ELF specific definitions.
27083 * elfos.h (const_section): Output a tab before assembler directives.
27084 (ctors_section, dtors_section): Likewise.
27085 (ASM_OUTPUT_SECTION_NAME): Likewise.
27087 * pa/pa1.h: Delete unused file.
27089 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27091 * configure.in (hppa*-hp-hpux11*): New configuration.
27092 * configure: Rebuilt.
27093 * pa/pa-hpux11.h: New file.
27094 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27097 * mips.md (leasi, leadi): New patterns.
27099 * expr.c (emit_block_move): Properly handle case where one of the
27100 block move arguments has a queued increment or decrement.
27101 (clear_storage): Similarly. Fix formatting goof.
27103 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27105 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27106 semicolon from the BSD VA_LIST replacement expression.
27108 * fixinc/inclhack.sh: regen
27109 * fixinc/fixincl.x: regen
27111 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27112 now use the fixincl program.
27114 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27116 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27117 case. Also make the PIC register call_used.
27119 * m68k.h (FINALIZE_PIC): Delete.
27120 * m68k.c (finalize_pic): Delete.
27122 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27124 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27127 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27129 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27131 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27133 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27135 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27137 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27139 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27141 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27143 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27145 * rs6000.c (output_toc): Always use hex values for floating-point
27146 constants. Store single-precision values in upper-half of TOC
27147 entry in 64-bit mode.
27148 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27149 to final constraints.
27150 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27151 (fctiwz): Improve accuracy of RTL for pattern.
27153 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27155 * expr.c (expand_expr): Allow RTL_EXPR's through the
27156 MAX_INTEGER_COMPUTATION_MODE checks.
27158 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27160 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27161 such that MASK_SUPPORT_ARCH is not negative.
27163 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27165 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27166 ADDR_DIFF_VEC insns that appear inside loops.
27168 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27169 Jeff Law <law@cygnus.com>
27171 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27172 Handle LO_SUM the same as offsettable in cases 1 and 2.
27173 * rs6000.c (find_addr_reg): Revert previous patch.
27175 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27177 * system.h (strstr): New external function declaration.
27178 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27179 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27180 * config.in, configure: Rebuilt.
27182 1999-06-24 Tom Tromey <tromey@cygnus.com>
27184 * gcc.c (main): Read user-specified specs files after computing
27185 additional startfile_prefixes.
27187 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27189 Revert these two patches:
27191 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27192 * loop.c (strength_reduce): When doing biv->giv conversion, update
27193 reg note of NEXT->insn.
27195 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27196 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27198 (recombine_givs): Set ix field after sorting.
27200 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27202 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27203 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27205 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27207 *fixinc/inclhack.def: Add fix development commentary
27208 (read_ret_type): reactivate and add selection clause
27209 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27210 *fixinc/{fixincl.x|inclhack.sh}: regen
27212 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27214 * expr.c (expand_expr): STRIP_NOPS before checking against
27215 MAX_INTEGER_COMPUTATION_MODE
27216 (check_max_integer_computation_mode): Likewise.
27218 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27220 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27222 1999-06-22 Jim Wilson <wilson@cygnus.com>
27224 * expr.c (store_expr): When target is a promoted subreg, return a
27225 promoted subreg as a result.
27227 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27229 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27231 (dwarf2out_define): Mark unused parameters appropriately.
27232 (gen_unspecified_parameters_die): Ditto.
27233 (gen_subprogram_die): Fix signed/unsigned warnings.
27234 (gen_variable_die): Ditto.
27236 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27238 * fixinc/inclhack.def(end_else_label): combined else_label
27239 and endif_label and fixed the sed expression.
27240 *fixinc/{fixincl.x|inclhack.sh}: regen
27242 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27244 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27245 'x' when handling non-offsettable addresses
27247 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27249 * final.c (shorten_branches): Don't try to split an insn that has
27252 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27254 * config/mips/mips.c (symbolic_expression_p): New function.
27255 (mips_select_rtx_section): Put symbolic expressions in the
27256 data section, not the read-only data section.
27258 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27260 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27262 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27264 * collect2.c (main): Log frame table count.
27265 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27266 (scan_prog_file) [COFF]: Handle frame tables.
27268 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27269 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27270 * alpha/elf.h: Undef them again.
27271 * alpha/vms.h: Remove their definitions.
27273 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27275 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27276 remove the clobber of r0 and change the REG_UNUSED note to
27279 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27281 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27282 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27283 fits in HOST_WIDE_INT and one uses union to access a long constant
27286 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27288 * sparc.c (sparc_override_options): Don't allow profiling for
27289 code models other than medlow.
27290 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27291 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27292 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27293 (sparc_block_profiler): Likewise.
27294 (sparc_function_block_profiler_exit): Likewise.
27295 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27296 (FUNCTION_BLOCK_PROFILER): Likewise.
27297 (BLOCK_PROFILER): Likewise.
27298 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27299 (MCOUNT_FUNCTION): New.
27300 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27301 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27302 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27303 (MCOUNT_FUNCTION): New.
27304 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27305 (BLOCK_PROFILER): Delete.
27306 (MCOUNT_FUNCTION): New.
27308 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27310 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27312 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27314 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27317 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27320 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27323 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27326 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27328 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27331 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27333 * i386/djgpp.h (LIB_SPEC): New.
27334 (STARTFILE_SPEC): New.
27336 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27338 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27340 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27343 * system.h (WSTOPSIG): New macro.
27345 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27347 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27349 (insert_pack_attributes): Take into account member natural
27352 * i386/winnt.c (exports_head): New static variable.
27353 (i386_pe_record_exported_symbol): New function.
27354 (i386_pe_asm_file_end): Use.
27355 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27356 symbols to be emitted at end of assembly.
27357 (ASM_DECLARE_OBJECT_NAME): Likewise.
27358 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27360 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27363 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27365 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27368 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27370 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27371 zapping reg_last_uses directly.
27372 (sched_analyze_2, sched_analyze_insn): Likewise.
27373 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27375 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27377 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27378 attributes for cases 1 and 2.
27380 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27382 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27385 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27387 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27389 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27391 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27392 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27393 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27394 must be stacked if it is used for PIC accesses.
27395 * arm.c (use_return_insn): Handle PIC register specially.
27396 (output_return_instruction): Likewise.
27397 (output_func_{prologue,epilogue}): Likewise.
27398 (output_expand_prologue): Likewise.
27400 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27401 (*strsi_predec): Renamed from *strqi_predec.
27402 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27403 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27405 * arm.c (arm_override_options): Remove warning about PIC code
27406 not being supported.
27408 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27410 * rs6000.c (find_addr_reg): New function.
27411 * rs6000.h (find_addr_reg): Declare.
27412 (offsettable_addr_operand): Delete.
27413 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27414 from and stores to GPRs.
27416 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27418 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27419 gen_sequence as argument to emit_no_conflict_block.
27421 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27423 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27424 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27425 *fixinc/fixincl.x: regen
27426 *fixinc/inclhack.sh: regen
27428 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27430 * added support for -mpcrel (PC relative addressing for m68k)
27431 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27432 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27433 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27434 (comments for general_src_operand): Add some explanation
27435 about EXTRA_CONSTRAINTS.
27436 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27437 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27438 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27439 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27440 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27441 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27442 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27443 if not already set.
27444 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27445 * m68k.h (TARGET_PCREL): New target flag.
27446 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27447 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27448 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27449 contains a SYMBOL_REF. Relax this constraint during reload, since
27450 we want to use the predicates, not reload's built-in concept of a
27451 valid memory address, to control what insns need reloading.
27452 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27453 operands (essentially 'g', 'm', and 's' under normal circumstances).
27454 * m68k.c (print_operand): Cause printing of pc-relative addresses
27455 to include pc register.
27456 (print_operand_address): Ditto.
27457 (general_src_operand): Accept operands that are not only
27458 general_operands, but are also valid when used as a pc-relative
27460 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27461 (memory_src_operand): Similar, for memory_operands.
27462 (pcrel_address): New predicate to accept the special case of a
27463 pc-relative address.
27464 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27465 QImode insns to accept *_src_operand instead of *_operand where
27466 pc-relative operands can fit. For example, a pc-relative operand
27467 can be used as a memory source operand for addsi3, but not as a
27468 memory destination.
27469 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27471 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27473 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27474 .thumb_set pseudo op to mark aliases of thumb functions.
27476 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27478 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27479 preference to ASM_OUTPUT_DEF, if it is defined.
27481 * tm.texi: Document new, optional target macro
27482 ASM_OUTPUT_DEF_FROM_DECLS.
27484 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27486 * fixincludes: ISCNTL patch
27487 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27488 (dgux_int_varargs): new for DG/UX
27489 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27491 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27493 * invoke.texi (ia32 options): Fix typo.
27495 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27497 * loop.c (strength_reduce): When doing biv->giv conversion, update
27498 reg note of NEXT->insn.
27500 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27502 * loop.c (move_movables): Note issues with replacing REGs with
27504 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27506 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27508 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27510 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27511 the reference to `mcount' was not correct for the ELF on FreeBSD.
27513 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27515 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27518 (recombine_givs): Set ix field after sorting.
27520 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27522 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27523 to safe to extract a subword out of a REG.
27525 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27527 * sh.md (mulsi3): Don't add a no-op move at the end.
27529 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27531 * cse.c (cse_insn): Don't put hard register source into tables for
27532 the last insn of a libcall.
27534 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27536 * loop.c (strength_reduce): Insert sets of derived givs at every
27537 biv increment, even if it's the only one.
27539 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27541 * dwarfout.c (add_incomplete_type): New fn.
27542 (output_type): Call it.
27543 (retry_incomplete_types): New fn.
27544 (dwarfout_finish): Call it.
27546 From Eric Raskin <ehr@listworks.com>:
27547 (output_type): Output types for bases.
27549 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27551 * mips.c (mips_output_conditional_branch): Add `break'
27552 between `default' label and `close braces'.
27554 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27556 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27557 specifications and make it realistic.
27558 (LIB_SPEC): Likewise.
27560 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27562 * config/mips/mips.c (mips_secondary_reload_class): Check for
27563 (PLUS (SP) (REG)) and return appropriate register class.
27564 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27565 Handle (PLUS (SP) (REG)).
27566 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27567 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27568 of emit_insn for tablejump.
27570 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27572 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27573 asm_fprintf format string by itself.
27574 (output_function_profiler): Likewise.
27576 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27578 * combine.c (simplify_logical, case AND): Only call
27579 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27580 or the constant is positive.
27582 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27584 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27585 * configure: Regenerate.
27587 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27589 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27590 require a sub-version #.
27591 * configure: Rebuilt.
27593 1999-06-14 Robert Lipe (robertlipe@usa.net)
27595 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27597 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27599 * c-typeck.c (process_init_element): Detect excess elements in
27600 char array initializer.
27602 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27604 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27606 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27608 * invoke.texi (Option Summary): Add -fpermissive flag.
27610 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27612 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27613 that require PIC code sequences.
27615 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27617 * configure.in: Add new target: thumb-elf.
27618 * configure: Regenerate.
27619 * config/arm/t-thumb-elf: New file: Makefile fragment for
27621 * config/arm/telf.h: New file: Header file for thumb-elf
27624 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27626 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27627 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27628 initializers is some circumstances.
27630 * fixinc/inclhack.def (endif_label): Add additional selector for
27631 more bogus stuff after #endif statements.
27632 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27634 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27636 * i386/cygwin.h (SET_ASM_OP): Define.
27638 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27640 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27642 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27644 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27647 * sh.md (ic_invalidate_line_i): Remove second alternative.
27649 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27651 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27652 test for the presence of valid prototypes. Delete bypass expr.
27653 (ioctl_fix_ctrl): Correct the selection expression.
27654 (no_double_slash): Correct quoting rules
27655 *fixinc/fixincl.x: regen
27656 *fixinc/inclhack.sh: regen
27658 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27660 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27662 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27664 * rs6000.md (movsi_got_internal_mem): Delete.
27665 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27666 (GOT_TOC_REGNUM): Delete.
27667 (PIC_OFFSET_TABLE_REGNUM): Define.
27668 (FINALIZE_PIC): Disable.
27669 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27670 (rs6000_replace_regno): Delete.
27671 (rs6000_finalize_pic): Likewise.
27672 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27674 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27676 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27677 is a note; use <= for the compare; advance P while it is
27680 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27682 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27683 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27685 * varasm.c (remove_from_pending_weak_list): Verify t->name
27686 is non-NULL before passing it to strcmp.
27688 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27690 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27691 the typed arguments are not part of a comment
27692 (ioctl_fix_ctrl): Added a purpose comment
27693 *fixinc/fixincl.x: regenerate
27694 *fixinc/inclhack.sh: regenerate
27696 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27698 * invoke.texi: Add C4x invocation docs.
27700 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27702 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27704 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27706 (c4x_legitimize_reload_address): New function.
27707 * config/c4x/c4x.md: Update docs.
27709 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27711 * fixincludes: Avoid removing '.'.
27712 * fixinc/fixinc.svr4: Likewise.
27713 * fixinc/fixinc.winnt: Likewise.
27714 * fixinc/inclhack.tpl: Likewise.
27715 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27717 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27719 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27721 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27723 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27725 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27728 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27730 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27731 * configure: Regenerate.
27733 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27735 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27738 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27740 * fixinc/inclhack.def (avoid_bool): Also catch
27741 "typedef [unsigned] int bool".
27742 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27744 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27745 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27746 * configure: Rebuilt.
27748 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27750 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27751 such that we can override its definitions if necessary.
27752 (CPP_SPEC): New define. Support processor specific predefines via
27754 (CC1_SPEC): New define. Support processor specific compiler
27755 options via %(cc1_cpu).
27756 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27759 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27761 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27762 between sed's -e flag, and the open-quote following it.
27763 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27765 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27766 Jeffrey A Law (law@cygnus.com)
27768 * varasm.c (assemble_start_function): Remove the function
27769 from the pending weak decls list when we define a function.
27770 (assemble_variable): Similarly for variables.
27771 (weak_finish): Ignore items on the list with a NULL name.
27772 (remove_from_ending_weak_list); New function to "remove" an item
27773 from the pending weak declarations list.
27775 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27777 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27779 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27781 * c-lex.c (GETC): Redefine to call getch.
27782 (UNGETC): Redefine to call put_back.
27783 (putback_buffer): New structure type.
27784 (putback): New static structure.
27785 (getch): New function.
27786 (put_back): New function.
27787 (yylex): Replace unused bytes from bad multibyte character.
27789 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27791 * cpplib.c (do_define): Cast `alloca' return value.
27792 (do_include, do_undef, do_pragma): Likewise.
27793 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27795 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27796 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27798 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27800 * sparc.md (abstf2): This should be an expand.
27801 (split after abstf2_notv9): Fix mode.
27802 (abstf2_hq_v9): New pattern.
27803 (abstf2_v9): Only use when no hard quad.
27804 (absdf2_v9): Fix if target is not the same as source.
27805 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27806 Add correct output constraints.
27808 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
27810 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
27811 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
27813 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
27815 * mips.h (mips_output_conditional_branch): New function.
27816 (mips_adjust_insn_length): Likewise.
27817 (ASSEMBLER_SCRATCH_REGNUM): New macro.
27818 (ADJUST_INSN_LENGTH): Likewise.
27819 * mips.c (print_operand): Add `F' and `W' for floating-point
27820 comparison opcodes.
27821 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
27823 (mips_adjust_insn_length): New function.
27824 (mips_output_conditional_branch): New function.
27825 * mips.md (length): Adjust attribute definition to handle
27826 conditional branches. Change lengths to bytes, rather than
27827 instructions throughout. Remove length attribute from
27828 instructions whose length is four bytes, and rely on the default
27830 (dslot): Fix typo in comment.
27831 Reword conditional branch patterns to use
27832 mips_output_conditional_branch.
27834 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
27836 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
27837 (LIB_SPEC): Likewise.
27838 Link with -lprof1_r for -g/-pg.
27840 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27842 * loop.c (check_dbra_loop): Fix change of Jan 19.
27844 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
27846 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
27847 (STARTFILE_SPEC): Define, override the svr4.h version.
27848 (ENDFILE_SPEC): Likewise.
27850 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
27852 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
27853 * fixinc/fixincl.x: Regenerated.
27854 * fixinc/inclhack.sh: Regenerated.
27856 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27858 * sh.c (barrier_align): Don't return early for normal branch/barrier
27859 when optimizing for SH2.
27861 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
27863 * i386/udk.h (LINK_SPEC): Correct linker search path for
27866 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27868 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
27869 (braf_label_ref_operand): Delete.
27870 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
27871 * sh.md (casesi_jump_2): Operand1 is now the inside of a
27872 label_ref, and has no predicate.
27873 The patten has a predicate to guard against invalid substitutions.
27874 (dummy_jump): Delete.
27875 (casesi): Update use of casesi_jump_2.
27877 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27879 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
27880 *fixinc/fixincl.x: regenerate
27881 *fixinc/inclhack.sh: regenerate
27883 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
27885 * dwarf2out.c (add_incomplete_type): New fn.
27886 (gen_struct_or_union_type_die): Call it.
27887 (retry_incomplete_types): New fn.
27888 (dwarf2out_finish): Call it.
27890 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
27892 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
27893 current block starts with a CODE_LABEL and ends with a CALL and
27894 we can not find all the argument setup instructions for the CALL.
27896 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
27898 Revert this change:
27899 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27900 something is a candidate for optimize_bit_field_compare.
27902 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27904 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
27906 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
27908 * alpha.c (override_options): Thinko in last patch.
27910 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
27911 (LIB_SPEC): Recognize -pthread.
27913 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
27915 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
27916 definition in config/arm/coff.h
27917 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
27919 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27921 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
27922 fixes that need "file=xxx\n" prepended before invocation
27923 (start_fixer - new): starting the fixer process is complex enough
27924 to warrent its own routine. It prepends the "file=xxx\n" stuff.
27925 (process): uses the new routine; omit usage of putenv()
27926 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
27927 * fixinc/fixincl.x: regenerate
27929 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
27931 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
27932 and version #s (1.1 -> 2.96) as needed.
27933 * README.g77: Kill way out of date file in the toplevel directory.
27935 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
27937 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
27938 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
27939 * configure: Rebuilt.
27940 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
27941 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
27942 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
27943 (SWITCH_TAKES_ARG): Likewise.
27944 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
27945 * config/t-freebsd: Moved from config/i386/ so it can used for all
27948 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
27950 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
27952 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
27954 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
27955 * configure: Rebuilt.
27957 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
27959 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
27960 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
27961 * rs6000/rs6000.c (rs6000_file_start): Use putc.
27962 (rs6000_output_load_toc_table): Same.
27963 (output_prolog, output_mi_thunk): Same.
27964 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
27965 (ASM_GLOBALIZE_LABEL): Use putc.
27967 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
27969 * alpha.md (reload_*_help): New patterns and splitters.
27970 (reload_*): Use them.
27971 (mov[qh]i): Likewise.
27973 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
27975 * cccp.c (handle_directive): Handle backslash-newlines in quoted
27978 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
27980 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
27982 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
27984 * flow.c (mark_regs_live_at_end, insn_dead_p,
27985 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
27986 and HARD_FRAME_POINTER_REGNUM special treatment if reload
27987 hasn't run or the frame pointer is needed.
27988 * haifa-sched.c (attach_deaths): Likewise.
27989 * sched.c (attach_deaths): Likewise.
27991 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
27993 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
27994 calculate_can_reach_end returns nonzero.
27996 * configure.in (native gas tests): Search for an assembler in the
27997 same manner that the installed compiler will.
27998 * configure: Rebuilt.
27999 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28001 * alias.c (find_base_term): Improve handling of addresses
28002 constructed from binary operations.
28004 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28006 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28008 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28010 * function.h (cleanup_label, frame_offset): Declare.
28011 (tail_recursion_label, tail_recursion_reentry): Likewise.
28012 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28013 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28014 (tail_recursion_label, tail_recursion_reentry): Likewise.
28015 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28017 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28019 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28021 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28022 (MAX_OFILE_ALIGNMENT): Define.
28024 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28026 * fixincl.c: Replace local include scheme with #includes of
28027 gansidecl.h and system.h.
28028 * procopen.c: Likewise.
28029 * server.c: Likewise.
28031 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28033 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28034 (crti.o): Add build rule and dependencies.
28035 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28037 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28039 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28040 (LIB_LINUX_SPEC): Likewise.
28041 (LIB_LINUX_SPEC): Add support for -pthread
28042 (CPP_OS_LINUX_SPEC): Likewise.
28043 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28046 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28048 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28050 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28051 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28052 for IEEE math and CC_FCOMI.
28053 (put_jump_code): No IEEE if CC_FCOMI is set.
28055 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28057 * fold-const.c (fold_truthop): Make the field reference unsigned
28058 when converting a single bit compare.
28060 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28062 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28064 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28066 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28067 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28070 * reload.c (push_reload): Do not call remove_address_replacements
28071 when presented with identical optional reloads.
28073 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28075 * alpha.h (MASK_FIX, TARGET_FIX): New.
28076 (MASK_*): Reorganize constants.
28077 (CPP_AM_FIX_SPEC): New.
28078 (TARGET_SWITCHES): Add FIX.
28079 (EXTRA_SPECS): Likewise.
28080 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28081 (SECONDARY_MEMORY_NEEDED): Likewise.
28082 (REGISTER_MOVE_COST): Likewise.
28083 * alpha.c (override_options): Add FIX support. Always use
28084 ALPHA_TP_PROG for ev6.
28085 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28086 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28087 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28089 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28091 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28092 something is a candidate for optimize_bit_field_compare.
28094 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28096 * gcc.texi (Passes): Document branch-shortening.
28097 * invoke.texi (Debugging Options): Document the fact that `-dp'
28098 outputs length information for instructions.
28100 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28102 * flow.c: Revert previous delta.
28104 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28106 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28107 FRAME_POINTER_REGNUM.
28108 (mark_set_1): Ditto.
28109 (mark_used_regs): Ditto.
28111 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28113 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28114 (GOT_PCREL): New macro. Define to 1 if not already defined.
28115 * arm/elf.h (GOT_PCREL): Define to 0.
28116 * arm.c (arm_finalize_pic): Take into account the setting of
28119 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28121 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28122 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28124 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28125 store elimination candidates.
28127 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28129 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28132 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28134 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28135 Add use of x-aix41-gld.
28137 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28139 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28140 (ASM_OUTPUT_DESTRUCTOR): Define.
28142 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28144 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28145 last CODE_LABEL in a loop if we have previously passed a jump
28146 to the top of the loop.
28148 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28150 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28151 applying Philip's patch.
28153 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28155 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28158 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28160 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28162 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28164 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28165 Also remove a useless comment.
28167 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28169 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28171 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28173 * collect2.c (main): Only generate import or export file and add
28174 to link arguments if non-empty. Use xmalloc not alloca.
28175 (write_{export,import}_file): Delete.
28176 (write_aix_file): New function.
28177 (locatelib): Use xmalloc not malloc.
28178 (GCC_OK_SYMBOL): Do not check type if aix64.
28180 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28182 Based on patch by Scott Bambrough and Pat Beirne:
28183 * config/arm/arm.c (making_const_table): New variable.
28184 * config/arm/arm.h (making_const_table): Declare.
28185 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28187 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28188 Keep track of when we are building the constant table.
28190 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28192 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28195 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28197 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28200 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28202 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28205 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28207 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28209 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28211 * rs6000.c (output_mi_thunk): Enable full support again.
28213 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28215 * sh.h (BRANCH_COST): Define.
28217 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28219 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28221 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28223 * function.c (assign_stack_local): Align stack slot propertly.
28224 (assign_outer_stack_local): Likewise.
28226 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28228 * expr.h (lang_expand_constant): Declare.
28229 * toplev.c (lang_expand_constant): Define it.
28230 * varasm.c (output_constant): Use it.
28232 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28234 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28235 Change function definitions to K&R style.
28237 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28239 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28241 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28243 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28244 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28245 (several places): omit static initialization
28246 (process): use single fd, since only the read fd is used
28247 * fixinc/gnu-regex.c: define 'const' away, if not supported
28248 * fixinc/procopen.c(several places): omit static initialization
28249 * fixinc/server.c: define 'volitile' away, if not supported
28251 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28253 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28254 asm_fprintf and %L to generate the label name.
28255 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28256 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28258 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28260 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28261 insn for a conditional jump can not be found.
28263 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28265 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28266 on variables in specific sections other than .sbss and .sdata.
28268 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28270 * stmt.c (expand_return): Call start_cleanup_deferral and
28271 end_cleanup_deferral around conditional code.
28273 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28275 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28276 filename lists. Utilizes new "krstr" AutoGen function.
28277 * fixinc/fixincl.x: Rebuilt.
28279 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28281 * i386.c (output_float_compare): Avoid GNU-C extensions.
28283 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28285 * version.c: Bump to distinguish mainline tree from the
28288 See ChangeLog.1 for earlier changes.