1 2000-05-19 Bruce Korb <bkorb@gnu.org>
3 * fixinc/README: cleaned up old documentation
4 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
5 * fixinc/check.tpl: compute the list of needed directories
6 emit "#if defined(name)" because of conflict
7 omit machine name differences from output differences
8 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
9 (machine_name): change test text to use `sed' markers
10 * fixinc/fixincl.x: regen
12 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
17 2000-05-18 Chris Demetriou <cgd@sibyte.com>
19 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
20 it to match the current practice.
22 2000-05-18 Mark Mitchell <mark@codesourcery.com>
24 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
26 2000-05-18 Richard Henderson <rth@cygnus.com>
28 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
29 * rtl.h (insn_dependant_p): Declare it.
30 * loop.c (strength_reduce): Use it.
32 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
34 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
35 16-bit and 64-bit clean-up.
37 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
39 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
42 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
44 * genopinit.c: Use $ for escape sequences in optab patterns.
45 Remove backslashes from optab patterns. Change $A, $B, $C to
46 expand to (int) whatever instead of just whatever; remove
47 explicit (int) from all optab patterns.
49 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
50 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
51 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
52 genrecog.c: Remove private copies of xmalloc, xrealloc, and
55 2000-05-18 Richard Henderson <rth@cygnus.com>
57 * jump.c (jump_optimize_1): Base minimum insn count during
58 find_cross_jump on BRANCH_COST.
60 2000-05-18 Jakub Jelinek <jakub@redhat.com>
62 * print-rtl.c (print_rtx): Only print note line number as string
63 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
64 * final.c (final_scan_insn): Do nothing for note line number 0.
66 2000-05-18 Jakub Jelinek <jakub@redhat.com>
68 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
69 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
70 NOTE_INSN_DELETED_LABEL.
72 2000-05-18 Nick Clifton <nickc@cygnus.com>
74 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
75 uninitialised data in .rodata not .bss, and do not interpret an
76 error in the initialisation value as meaning that the variable
77 should be placed in the .bss section.
79 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
81 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
82 not `$ac_cv_prog_cc_cc_c_o'.
83 * configure: Regenerated.
85 2000-05-18 Chris Demetriou <cgd@sibyte.com>
86 Richard Henderson <rth@cygnus.com>
88 * c-common.h (enum c_tree_index): Add g77 type entries.
89 (g77_integer_type_node, g77_uinteger_type_node): New.
90 (g77_longint_type_node, g77_ulongint_type_node): New.
91 * c-decl.c (init_decl_processing): Initialize them.
93 2000-05-18 Richard Henderson <rth@cygnus.com>
95 * config/h8300/h8300.md (subs patterns): Use %G to negate.
97 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
98 (small_power_of_two): Likewise; use exact_log2.
99 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
100 (output_adds_subs): Remove.
101 (two_insn_adds_subs_operand): New.
102 (split_adds_subs): New.
103 * config/h8300/h8300-protos.h: Update.
104 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
105 (CONST_OK_FOR_L): Match strict adds operands.
106 (CONST_OK_FOR_N): Match struct subs operands.
107 * config/h8300/h8300.md (adds_subs insns): Remove.
108 (addhi patterns): Output adds/subs directly.
109 (addsi_h8300h): Likewise.
110 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
112 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
114 * cppexp.c (parse_assertion): New.
115 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
116 (_cpp_parse_expr): Remove case '#'. Don't set
117 parsing_if_directive.
118 * cpphash.c (collect_objlike_expansion,
119 collect_funlike_expansion, collect_params,
120 _cpp_create_definition): The list no longer has a trailing
122 * cpphash.h (enum node_type): Add T_ASSERTION.
123 (struct hashnode): Remove aschain, add pred.
124 (struct predicate): New.
127 * cpplex.c (expand_token_space): Handle both offset and
129 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
130 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
131 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
132 _cpp_equiv_toklists): New.
133 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
134 stop at any single-character token, not just newline.
135 (_cpp_lex_token): Remove special cases for #define and #if.
136 (cpp_get_token): Expect # as a separate token type. Remove
138 (_cpp_get_directive_token): Remove DIRECTIVE case.
139 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
141 * cpplib.c (_cpp_check_directive): Set dirno and
142 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
143 (_cpp_handle_directive): Run # <number> through the same logic
144 as normal directives.
145 (do_define): Don't set parsing_define_directive. Use
146 _cpp_scan_until. The list does not have a VSPACE at the end.
147 (do_if): Save, clear, and restore only_seen_white around
149 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
150 (do_assert, do_unassert): Rewrite.
152 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
153 (LIST_OFFSET): New flag.
154 (struct cpp_toklist): Replace dir_handler and dir_flags with
156 (struct cpp_reader): Remove parsing_if_directive and
157 parsing_define_directive.
159 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
161 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
162 following the cabs decl which terminate on the following line.
163 Add the corresponding test_text case.
165 2000-05-18 Neil Booth <NeilB@earthling.net>
167 * cppinit.c (cpp_reader_init): Initialise col_adjust and
168 default tab stop size.
169 (no_num, OPT_ftabstop): New.
170 (handle_option): Handle "ftabstop=" command-line option.
171 (print_help): Document it.
172 * cpplex.c (COLUMN): Remove.
173 (handle_newline): Reset col_adjust.
174 (skip_whitespace): Update col_adjust as tabs encountered.
175 (_cpp_lex_line): Update to use col_adjust. Call
176 skip_whitespace for all whitespace.
177 * cpplib.h (struct cpp_options): New member tabstop.
178 (struct cpp_reader): New member col_adjust.
179 (CPP_BUF_COL): Update.
180 (CPP_BUF_COLUMN): New.
181 * cpp.texi: Document "-ftabstop=" command line option.
183 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
185 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
187 * configure: Rebuilt.
189 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
191 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
193 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
194 HOST_BITS_PER_WIDE_INT is >= 64.
196 2000-05-17 Richard Henderson <rth@cygnus.com>
198 * jump.c (jump_optimize_1): Remove inactive but real insns
199 in jump-to-next-insn optimization.
201 2000-05-17 Richard Henderson <rth@cygnus.com>
203 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
204 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
205 Don't call recompute_reg_usage if no_new_pseudos is true.
206 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
207 Return true if we did work; update global life information.
208 * basic-block.h (optimize_mode_switching): Update decl.
210 2000-05-17 Neil Booth <neilb@earthling.net>
212 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
214 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
216 * cpplib.c: New feature, #pragma system_header.
217 * cpp.texi: Document special treatment of system headers, and
218 the various mechanisms to get a header that special treatment.
220 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
222 * system.h (offsetof): Define at the very end, to ensure we prefer
223 the platform's definition if available.
225 2000-05-16 Bruce Korb <bkorb@gnu.org>
227 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
228 * fixinc/server.c: likewise
229 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
230 + #ifdef debugging code + use #def constant for
232 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
233 on C++ math namespace
235 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
237 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
238 Don't check the return value of sprintf. Use asprintf to avoid
241 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
243 * flags.h (warn_unused_function, warn_unused_label,
244 warn_unused_parameter, warn_unused_variable, warn_unused_value):
245 Replace ``warn_unused''.
246 (set_Wunused): Add declaration.
247 * toplev.c (set_Wunused): New function.
248 (warn_unused_function, warn_unused_label, warn_unused_parameter,
249 warn_unused_variable, warn_unused_value): New variables.
250 (W_options): Add -Wunused-function, -Wunused-function,
251 -Wunused-label, -Wunused-parameter, -Wunused-variable and
252 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
254 * toplev.c (decode_W_option): Update -Wunused flags by calling
256 * c-decl.c (c_decode_option): Ditto for -Wall.
258 * stmt.c (expand_expr_stmt, expand_expr_stmt,
259 warn_about_unused_variables): Replace warn_unused with more
260 explicit warn_unused_value et.al.
261 * function.c (expand_function_end): Ditto.
262 * c-typeck.c (internal_build_compound_expr,
263 internal_build_compound_expr): Ditto.
264 * c-decl.c (poplevel, pop_label_level): Ditto.
265 * toplev.c (check_global_declarations): Replace warn_unused with
266 check for either warn_unused_function or warn_unused_variable.
268 * gcc.1, invoke.texi (Warning Options): Document
269 -Wunused-function, -Wunused-function, -Wunused-label,
270 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
272 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
274 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
275 $(srcdir), not in the current directory.
277 2000-05-16 Richard Henderson <rth@cygnus.com>
279 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
280 assembler supports it.
281 (.fini, .init): Use a gp-relative indirect call.
282 (__do_global_dtors_aux): Preserve the gp; rebundle.
283 (__do_frame_setup): Likewise.
284 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
285 (.init): Use a gp-relative indirect call.
286 (__do_global_ctors_aux): Preserve the gp.
288 2000-05-16 Richard Henderson <rth@cygnus.com>
290 * flow.c (commit_one_edge_insertion): Be prepared for a return
291 insn to be inserted on the edge with a normal jump.
292 * jump.c (jump_optimize_1): Don't look to create return isns.
294 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
295 * jump.c (jump_optimize_1): Likewise.
296 (returnjump_p): Verify the argument is a JUMP_INSN.
297 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
299 2000-05-16 Nick Clifton <nickc@cygnus.com>
301 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
302 GET_RTX_CLASS (GET_CODE ()) == 'i'.
303 (large_insn_p): Ditto.
304 (m32r_is_insn): New function: Return true if the insn contains
305 an executable instruction.
306 (m32r_adjust_insn): Use m32r_is_insn.
307 (m32r_sched_reorder): Use m32r_is_insn.
308 (m32r_sched_variable_issue): Use m32r_is_insn.
310 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
312 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
315 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
317 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
318 according to given options.
320 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
322 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
323 if X has VOIDmode either.
324 (LIMIT_RELOAD_CLASS): Similarly.
326 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
327 not "general_operand" to match the processor's capabilities.
329 2000-05-16 Bruce Korb <bkorb@gnu.org>
331 * fixinc/README: corrected return address
332 * fixinc/check.diff: regenerate, now that test works
333 * fixinc/fixfixes.c(format_fix,format_write): reformatted
334 (char_macro_def_fix,char_macro_use_fix): corrected and
335 rewrote to use regex to parse the text
336 * fixinc/inclhack.def: more testing
337 * fixinc/fixincl.x: regenerated
339 * fixinc/inclhack.def: added several "test_text" attributes
340 changed several fixes to use `c_fix = format'
341 re-alphabetized the fixes
343 * fixinc/check.diff: regenerate
344 * fixinc/fixincl.x: regenerate
345 * fixinc/check.tpl: added `sparc' and `netinet' to the list
349 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
351 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
353 2000-05-15 Richard Henderson <rth@cygnus.com>
355 * toplev.c (rest_of_compilation): Run full jump pass before
356 find_basic_blocks of flow2.
358 2000-05-15 Richard Henderson <rth@cygnus.com>
360 * jump.c: Fix typos and clarify commentary from last change.
361 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
362 (safe_to_remove_jump_p): Remove.
363 (condjump_label): Use pc_set.
365 2000-05-15 Richard Henderson <rth@cygnus.com>
367 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
368 that get in the way after reload.
369 (cond_exec_process_if_block): Skip a label heading THEN block.
371 2000-05-15 Richard Henderson <rth@cygnus.com>
373 * varasm.c (output_constant_pool): Abort instead of converting
374 (improperly) deleted labels to zero.
376 2000-05-16 Neil Booth <NeilB@earthling.net>
378 * cpplex.c (parse_string2): Update comment.
379 (cpp_lex_line): No special assertion treatment for '('.
380 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
381 * cpplib.h (SYNTAX_ASSERT): Remove.
383 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
385 * jump.c (condjump_p): Mark as depreached.
386 (any_condump_p): New.
387 (any_uncondump_p): New.
389 (safe_to_remove_jump_p): New.
390 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
391 safe_to_remove_jump_p): Declare.
393 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
395 * calls.c: Re-install both patches reverted by last patch.
396 (struct arg_data): New field tail_call_reg.
397 (initialize_argument_information): Initialize tail_call_reg
398 (load_register_parameters): New argument flags, use
399 tail_call_reg when emiting tail call sequence.
400 (expand_call): Update call of load_register_parameters;
401 copy unadjusted_args_size to adjusted_args_size.
403 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
405 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
406 and bct_p parameters to flags.
407 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
408 * rtl.h (loop_optimize): Update prototype.
409 * toplev.c (rest_of_compilation): Update call of loop_optimize.
411 2000-05-15 Jakub Jelinek <jakub@redhat.com>
413 * calls.c (expand_call): Move expand_start_target_temps call after
416 2000-05-15 Neil Booth <NeilB@earthling.net>
418 * cpphash.c (trad_stringify, warn_trad_stringify,
419 collect_params): Make some pointers pointers to const.
420 * cpplex.c (auto_expand_name_space) Guaranteed to always
421 expand by at least one character.
422 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
423 (struct token_spelling): Use const U_CHAR * rather than PTR.
424 (expand_name_space): Fix up token pointers if name space
425 is moved when expanding.
426 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
427 parse_string2, save_comment, spell_token, cpp_output_list):
428 Update so the routines handle tokens with a direct pointer to
429 their text, rather than an offset into the token's list's namebuf.
430 (_cpp_lex_line): Rearrange for clarity.
432 * cpplib.c (_cpp_check_directive): Similarly.
433 (do_define): Make SYM a pointer to const.
434 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
435 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
436 (TOK_OFFSET): Delete.
439 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
441 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
444 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
446 (logical_u_operand): Delete.
447 (non_logical_cint_operand): Rewrite to take MODE into account.
448 (non_logical_u_cint_operand): Delete.
449 (boolean_operator): New function.
450 (print_operand): Add new %q operand.
451 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
452 remove logical_u_operand and non_logical_u_cint_operand,
453 update logical_operand and non_logical_cint_operand.
454 * config/rs6000/rs6000.md: Rewrite the patterns for performing
455 logical operations to use %q.
457 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
458 (movdi): Make similar to movsi.
459 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
460 is no such thing as a DImode CONST_DOUBLE.
461 * config/rs6000/rs6000.c (output_toc): Likewise.
463 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
464 codes when old mnemonics are in use. Print register names
465 for cc registers when requested.
467 * optabs.c (expand_float): Don't allow mode widening that causes
470 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
471 flags to their current names -maix64 and -maix32.
473 2000-05-14 Bruce Korb <bkorb@gnu.org>
475 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
476 and/or after current text of file
477 * fixinc/fixlib.c(must_malloc):
478 * fixinc/fixlib.h(must_malloc): + reformatting
479 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
480 with usages of ``c_fix = wrap;''
481 Add several tests and use the ``c_fix = format'' fixer more.
482 * fixinc/fixincl.x: regen
483 * fixinc/check.diff: regen
484 * fixinc/check.tpl: emit the associated header with the missing
487 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
489 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
490 variables $src and $dst.
492 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
494 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
495 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
496 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
497 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
499 (set_message_prefixing_rule): Declare.
501 * diagnostic.c: (current_prefixing_rule): New variable.
502 (set_message_prefixing_rule): Define.
503 (output_set_prefix): Adjust buffer->emitted_prefix_p.
504 (init_output_buffer): Adjust Initialization.
505 (output_emit_prefix): Rewrite. Take prefixing rules into account.
507 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
509 * ifcvt.c (if_convert): Do not free NULL.
511 2000-05-12 Nick Clifton <nickc@cygnus.com>
513 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
514 to move a double word value.
515 (di_operand): New function: Return true if the operand is suitbale
516 for a double word move operation.
517 (nonimmediate_di_operand): New function: Return true if the
518 operand is a DImode register or MEM.
520 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
521 nonimmediate_di_operand.
523 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
524 nonimmediate_di_operand.
526 * config/fr30/fr30.md (movdi): New pattern. Required because
527 other patterns generate DImode results.
528 (movdi_insn): New pattern.
530 2000-05-12 Richard Henderson <rth@cygnus.com>
532 * config/alpha/alpha.c (struct shadow_summary): Define
533 bitfields as type unsigned int.
535 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
537 * config/avr/t-avr: Added definition of FLOAT while generates
540 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
541 peepholes for tst+jump = sbrs/sbrc optimization.
543 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
545 * expr.c (emit_push_insn): Do not adjust stack pointer when
548 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
550 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
551 * system.h (offsetof): ... to here.
553 2000-05-12 Richard Henderson <rth@cygnus.com>
555 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
556 * final.c (final_end_function): Use app_disable. Rearrange note
557 handling into a switch. Emit deleted labels.
558 (output_asm_label): Generate label strings for deleted labels.
559 * flow.c (tail_recursion_label_list): New.
560 (find_basic_blocks_1): Set label_value_list directly. Collect list
561 of tail recursion labels from call_placeholders. Don't add deleted
562 labels to the label value list.
563 (cleanup_cfg): Use free_EXPR_LIST_list.
564 (flow_delete_insn_chain): Turn non-removable labels into notes.
565 (flow_delete_block): Don't disable deleting the block because of
566 a non-removable label.
567 (tail_recursion_label_p): New.
568 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
570 (merge_blocks_move_successor_nojumps): Likewise. Also move a
572 (merge_blocks): Disable a merge because of tail recursion labels.
573 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
574 Use a more accurate measure of not merging the join block.
575 (find_if_block): Don't disable conversion because of a label.
576 (find_if_case_1, find_if_case_2): Likewise.
577 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
578 element when copying.
579 (squeeze_notes): Also leave EH notes.
580 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
582 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
584 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
585 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
586 referring to a deleted label. Convert tail handling to a switch.
587 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
588 for NOTE_INSN_DELETED_LABEL.
589 (NOTE): Fix commentary.
590 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
591 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
592 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
593 (LABEL_NUSES, LABEL_REFS): Likewise.
594 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
596 2000-05-12 Bruce Korb <bkorb@gnu.org>
598 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
599 * fixinc/check.diff: updated
600 * fixinc/inclhack.def: corrected & added some test_text-s
601 * fixinc/genfixes: removed unneeded options to autogen invocation
602 * fixinc/fixincl.tpl: Specified the output file
603 * fixinc/fixfixes.c: visual appearance
604 * fixinc/fixincl.x: regenerate
606 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
608 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
609 CTRL_defn_fix): Delete.
610 (fix_char_macro_defines, fix_char_macro_uses): Rename to
611 char_macro_def_fix and char_macro_use_fix, respectively. Put
612 them into the FIXUP_TABLE. Get the string to search for from
615 (format_write): New function.
616 (format_fix): Use it.
618 (FIX_PROC_HEAD): Constify text parameter.
619 (machine_name_fix): Constify all char *s.
620 * fixtests.c (skip_quote): Remove double static.
622 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
623 ctrl_use_quotes): Update for new scheme.
624 * fixincl.x: Regenerate.
626 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
628 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
630 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
631 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
633 2000-05-11 Robert Lipe <robertlipe@usa.net>
635 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
636 * fixincl.x: Regenerate.
638 2000-05-11 Richard Henderson <rth@cygnus.com>
640 * calls.c: Revert both 05-09 patches.
642 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
644 * config/mn10300/mn10300.c (print_operand): Print FP constants in
646 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
649 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
650 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
652 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
654 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
656 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
658 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
660 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
662 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
663 * config/avr/avr.c (jump_over_one_insn_p): New function.
664 * config/avr/avr.md: New peepholes added. Output test and
665 conditional jump to "sbrc" or "sbrs" command.
667 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
669 * cppmain.c (main): Use IS_DIR_SEPARATOR.
671 2000-05-11 Jakub Jelinek <jakub@redhat.com>
673 * except.c (find_exception_handler_labels_1): New function.
674 (find_exception_handler_labels): Split into two functions, dive
675 into CALL_PLACEHOLDERs when looking for exception handler labels.
677 2000-05-11 Stan Cox <scox@cygnus.com>
679 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
680 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
681 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
683 2000-05-11 Bruce Korb <bkorb@gnu.org>
685 * fixinc/fixfixes.c (double_slash_fix): obsolete
686 (else_endif_label_fix): obsolete
687 (format_fix): new, unused as yet
689 * fixinc/fixlib.h: added fix description struct for use by format_fix
690 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
691 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
692 modules. Removed the vestiges of the script version.
693 Added support for "make check".
694 * fixinc/check.diff: base diff file (needs work!!)
695 * fixinc/check.tpl: quiet the fixup output
696 * fixinc/fixtests.c (main): obsolete
697 * fixinc/fixincl.sh: don't bother copying fixincl to ..
698 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
700 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
702 * toplev.c (rest_of_compilation): Remove dead code after
705 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
707 * cpphash.c (collect_funlike_expansion): Make "# is not
708 followed by a macro argument name" a pedwarn, not an error.
709 Preserve the # in the output. Suppress the warning if lang_asm.
711 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
713 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
714 * configure: Rebuilt.
716 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
718 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
720 2000-05-10 Kazu Hirata <kazu@hxi.com>
722 * combine.c (try_combine): Fix a typo.
724 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
726 * config/ia64/ia64.md (insv): Add comment.
728 2000-05-10 Richard Henderson <rth@cygnus.com>
730 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
731 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
732 dependancies on FPBIT and DPBIT.
734 2000-05-10 Nick Clifton <nickc@redhat.com>
736 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
737 when optimising for size.
738 (mark_used_regs:) Ditto.
739 (try_pre_increment_1): Ditto.
741 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
743 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
744 Make error message friendlier.
746 * cpphash.h (struct hashnode): Use struct hack for name
748 * cpphash.c (struct hashdummy): New.
749 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
750 (make_HASHNODE): No need to set ->name pointer. Correct
752 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
754 2000-05-10 Richard Henderson <rth@cygnus.com>
756 * flow.c (find_basic_blocks_1): Remove any spare bb_note
759 2000-05-10 Bruce Korb <bkorb@gnu.org>
761 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
763 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
765 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
766 after we enter .debug.
768 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
770 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
771 abstract instance of a nested inline function.
773 * stor-layout.c (finish_record_layout): finalize_type_size
774 before laying out the pending_statics.
776 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
778 * cpplex.c (spell_token): New function.
779 (spell_string, spell_comment, spell_name): fold into
782 (E, H): Remove macros.
783 (save_comment): Save comment opening characters too.
784 (_cpp_lex_file): Update to use spell_token. Tidy up comment
786 * cpplib.h (I, S): Add macros.
787 (E, H): Remove macros.
788 (TTYPE_TABLE): Update entries for new speller.
789 (SYNTAX_ASSERT): Remove.
791 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
793 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
794 when removing escaped newlines. Reverse sense of test for
797 2000-05-09 Richard Henderson <rth@cygnus.com>
799 * flow.c (find_basic_blocks_1): Do not delete the first
800 bb_note we run across.
801 (create_basic_block): Use reorder_insns to move an existing
802 bb_note to the correct place.
804 2000-05-09 Richard Henderson <rth@cygnus.com>
806 * calls.c (expand_call): Increment currently_expanding_call
807 before calling optimize_tail_recursion.
809 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
811 * reload1.c (reload_combine): Fix errors in last change.
813 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
815 * gcc.c (used_arg): Skip over a semicolon at the end of the
816 split-up loop; don't break out of it.
818 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
819 (tree.o): Depend on output.h.
821 * c-decl.c (pending_invalid_xref_file,
822 current_function_prototype_file): Constify.
823 (pushdecl): Constify a local char *.
824 (define_label): Constify filename parameter.
825 * c-lex.c (init_parse): Constify parameter and return value.
826 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
827 * c-tree.h: Update prototypes.
828 * c-parse.in: Constify filename member of %union, and if_stmt_file.
829 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
830 objc/objc-parse.c: Regenerate.
832 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
833 * dwarfout.h: Update prototypes.
834 * expr.c (expand_expr): Constify a local char *.
835 * flags.h: Constify main_input_filename.
836 * function.c (expand_function_end): Constify filename parameter.
837 * genrecog.c (make_insn_sequence): Use a character array for
839 (main): Remove unused variables.
840 * input.h: Constify input_filename, main_input_filename, and
841 file_stack.name. Update prototypes.
842 * output.h: Declare first_global_object_name and
843 weak_global_object_name here, as const char *.
844 * stmt.c (expand_asm_operands): Constify filename parameter.
845 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
846 Constify filename parameter.
847 (input_filename, main_input_filename): Constify.
848 * toplev.h: Update prototypes.
849 * tree.c: Include output.h. Don't declare
850 first_global_object_name or weak_global_object_name. Clean up string
851 bashing in get_file_function_name_long.
852 * tree.h (struct tree_decl): Constify filename member.
853 (input_filename): Constify.
855 * varasm.c (first_global_object_name, weak_global_object_name):
857 (assemble_start_function, assemble_variable): Clean up string bashing.
859 * gcc.c: Constify all spec-related strings initialized,
860 transitively, from string constants. Constify all strings
861 and string variables related to multilibs.
862 (set_spec, read_specs): Cast argument to free to PTR.
863 (used_arg): Do not modify multilib_matches. Use strncmp plus
864 length comparison to compare multilib switches.
865 * genmultilib: Constify everything declared in multilib.h.
867 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
869 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
872 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
874 * config/avr/avr-protos.h (extra_constraint): change a type of
875 second argument from char to int to avoid warnings.
876 (asm_output_byte): Likewise.
878 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
879 (initial_elimination_offset): Handle elimination from
880 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
881 (legitimate_address_p): Use MAX_LD_OFFSET.
882 (legitimize_address): Likewise.
883 (out_movqi_r_mr): Likewise.
884 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
885 (out_movsi_r_mr): Use MAX_LD_OFFSET.
886 (out_movsi_mr_r): Likewise.
887 (out_movqi_mr_r): Likewise.
888 (out_movhi_mr_r): Likewise.
889 (notice_update_cc): Correct CC for the ashrqi3 with the shift
890 count as CONST_INT != 6.
891 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
892 shift count is a CONSTANT_P, but not a CONST_INT.
893 (ashlhi3_out): Coding style modifications.
894 (ashlsi3_out): Likewise.
895 (ashrhi3_out): Likewise.
896 (ashrsi3_out): Likewise.
897 (lshrhi3_out): Likewise.
898 (lshrsi3_out): Likewise.
899 (ashrqi3_out): Generate shift for any known constant count without
900 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
902 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
903 shift count is a CONSTANT_P, but not a CONST_INT.
904 (extra_constraint): change a type of
905 second argument from char to int to avoid warnings.
906 (asm_output_byte): Likewise.
907 (asm_file_end): Output size generated commands count as a hex
910 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
912 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
914 (ashlqi3): Values of "length" attribute changed. Shift count
915 uses constraints 'n' instead of 'i'.
916 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
917 shifts without clobber register.
918 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
919 (call_insn): Correct test for which_alternative == 1 (was 0).
920 (call_value_insn): Likewise.
922 * config/avr/t-avr: Remove definition of FLOAT while generates
925 2000-05-09 Bruce Korb <bkorb@gnu.org>
927 * fixinc/check.tpl: Template for checking fixes
928 * fixinc/inclhack.def: Added 'test_text' for many fixes
929 disable hpux8_bogus_inlines on SCO
930 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
932 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
934 * calls.c (expand_call): Reorganize somewhat in order
935 to avoid unnecesary recalculation inside loop and make
936 tail call failure code cleaner.
938 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
940 * alias.c (nonlocal_reference_p): Minor reformatting.
941 * reload.c (find_equiv_reg): Simplify logic for
942 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
943 some some reformatting.
944 * reload1.c (reload_combine): Don't assume everything in
945 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
947 2000-05-08 Richard Henderson <rth@cygnus.com>
949 * final.c (current_insn_predicate): New.
950 (final_scan_insn): Set it.
951 * output.h (current_insn_predicate): Declare.
953 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
954 Attach it to call insns.
955 (cond_exec_process_if_block): Track probability for true and
957 (dead_or_predicable): Likewise.
959 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
960 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
961 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
962 (estimate_probability, expected_value_to_br_prob): Use them.
964 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
965 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
966 (ia64_expand_prediction): New.
967 (emit_insn_group_barriers): Don't look at notes. Emit barriers
968 as needed after calls.
969 (ia64_epilogue_uses): Mark b0 used.
970 * config/ia64/ia64.md (beq_true, beq_false): Remove.
971 (bne_true, bne_false): Remove.
972 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
973 (br_true, br_false): New. Use predicate_operator and
974 ia64_expand_prediction.
975 (return_true, return_false): Likewise.
976 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
977 (call_internal1, call_value_internal): Likewise.
978 (call_value_internal1, call_multiple_values_internal1): Likewise.
980 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
982 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
984 2000-05-08 Richard Henderson <rth@cygnus.com>
986 * rtlanal.c (may_trap_p): Consider old-style and volatile
989 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
991 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
993 2000-05-08 Richard Henderson <rth@cygnus.com>
995 * config/ia64/ia64.h (predicate_operator): Declare.
997 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1000 * gensupport.c (process_rtx): Copy and post-process each member
1001 of the define_insn rtvec individually.
1003 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
1005 * cpplex.c (spell_token): New function.
1006 (TOKEN_LEN): Add 1 for whitespace.
1007 (_cpp_lex_file): Update to use spell_token.
1008 * cpplib.h (E): Remove.
1009 (TTYPE_TABLE): Update CPP_VSPACE entry.
1011 2000-05-08 Richard Henderson <rth@cygnus.com>
1013 * flow.c (init_propagate_block_info): Watch out for conditional
1014 branch to next instruction, and thus one outgoing edge.
1016 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
1017 for global register variables; don't special case __[CD]TOR_LIST__;
1018 mind ggc_p for string allocation.
1020 2000-05-08 Nick Clifton <nickc@cygnus.com>
1022 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
1024 2000-05-08 Bruce Korb <bkorb@gnu.org>
1026 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
1027 i?86-*-msdosdjgpp* no longer uses fixincludes
1028 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
1029 * fixinc/inclhack.sh: deleted
1030 * fixinc/hackshell.tpl: deleted
1031 * fixinc/inclhack.tpl: deleted
1032 * fixinc/Makefile.in: Remove dependencies on above
1033 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
1035 2000-05-08 Andreas Jaeger <aj@suse.de>
1037 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
1040 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
1042 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
1045 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
1047 * cpplex.c: Move new lexer definitions and prototypes
1048 to top. Conditional include these and the code if
1049 NEW_LEXER is defined. Rename functions whose names
1050 clash if this code included.
1052 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
1054 * rtl.def (COND_EXEC): Clarify.
1056 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
1057 same fashion as zero_extendsidi2.
1059 2000-05-06 Richard Henderson <rth@cygnus.com>
1061 * config/ia64/ia64.c (predicate_operator): New.
1062 (ia64_print_operand): Handle 'J'.
1063 (rtx_needs_barrier): Handle COND_EXEC.
1064 * config/ia64/ia64.h (BRANCH_COST): Define.
1065 (PREDICATE_CODES): Update.
1066 * config/ia64/ia64.md: Docuement used unspec values.
1067 (attr predicable): New.
1068 (movxf, movxf_internal): New.
1069 (extendsfdf2): Don't comment out nop.
1070 (floatdidf2): Remove.
1071 (truncxfsf2, truncxfdf2, floatdixf2): New.
1072 (abssi2, absdi2): Put the neg in the "true" slot.
1073 (conditional branch instructions): Mark not predicable.
1074 (cmov*_internal): Use predicate_operator. Split to cond_exec.
1075 (abs*_internal): Likewise.
1076 (alloc, set_bsp): Mark not predicable.
1077 (barrier, insn_group_barrier, flush_cache): Likewise.
1078 (define_cond_exec): New.
1080 2000-05-06 Richard Henderson <rth@cygnus.com>
1082 * c-decl.c: Include "tm_p.h".
1084 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
1085 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
1086 (ia64_expand_op_and_fetch): Declare.
1087 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
1088 (setjmp_operand): Constify variables for XSTR.
1089 (ia64_encode_section_info): Likewise.
1090 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
1092 (ia64_asm_output_external): Constify name.
1093 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
1094 (process_for_unwind_directive): Provide switch default.
1095 (ia64_expand_compare_and_swap): Remove unused variables.
1096 (ia64_expand_builtin): Likewise.
1097 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
1100 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
1101 (symbolic_operand, function_operand, setjmp_operand): Likewise.
1102 (shift_count_operand, shift_32bit_count_operand): Likewise.
1103 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
1104 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
1105 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
1106 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
1107 (ia64_expand_builtin): Likewise.
1108 (call_multiple_values_operation): Make dest_regno unsigned.
1110 2000-05-06 Richard Henderson <rth@cygnus.com>
1112 * rtl.def (DEFINE_COND_EXEC): New.
1113 * md.texi: Document it.
1115 * gensupport.c (input_file): Remove.
1116 (struct queue_elem): Add lineno.
1117 (rtx_ready_queue): Remove.
1119 (predicable_default): New.
1120 (predicable_true, predicable_false): New.
1121 (define_attr_queue, define_attr_tail): New.
1122 (define_insn_queue, define_insn_tail): New.
1123 (define_cond_exec_queue, define_cond_exec_tail): New.
1124 (other_queue, other_tail): New.
1125 (queue_pattern): New.
1126 (process_rtx): Add patterns to the appropriate queues.
1127 (is_predicable, identify_predicable_attribute): New.
1128 (n_alternatives, collect_insn_data): New.
1129 (alter_predicate_for_insn, alter_test_for_insn): New.
1130 (shift_output_template, alter_output_for_insn): New.
1131 (process_one_cond_exec, process_define_cond_exec): New.
1132 (init_md_reader): Read the entire file. Process define_cond_exec.
1133 (read_md_rtx): Return elements from the queues.
1135 2000-05-06 Richard Henderson <rth@cygnus.com>
1137 * flow.c (mark_set_1): Don't update conditional life info
1138 if the register is not_dead.
1140 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1142 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
1143 (mostlyclean): Also delete fixincl, fixinc.sh, and
1144 specs.ready, and make clean in the fixinc subdir.
1146 2000-05-06 Richard Henderson <rth@cygnus.com>
1148 * Makefile.in (gensupport.o): Compile for the host.
1149 (host-prefix gensuuprt.o): Remove.
1150 (genflags.o): Depend on gensupport.h and OBSTACK_H.
1151 (genattrtab.o): Likewise.
1152 (gencodes.o): Depend on gensupport.h.
1153 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
1154 (genpeep.o, genattr.o, genoutput.o): Likewise.
1156 * gensupport.c (obstack, rtl_obstack): New.
1157 (init_md_reader): Initialize rtl_obstack.
1158 * gensupport.h (rtl_obstack): Declare.
1159 (message_with_line): Declare.
1161 * genattr.c: Remove all traces of obstack manipulation.
1162 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1163 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1165 * genattrtab.c (obstack, rtl_obstack): Remove.
1166 (main): Don't init rtl_obstack.
1167 * genflags.c: Likewise.
1169 * genrecog.c (message_with_line): Move ...
1170 * gensupport.c: ... here.
1172 2000-05-06 Richard Henderson <rth@cygnus.com>
1174 * c-typeck.c (build_c_cast): Remove dead code.
1176 2000-05-06 Richard Henderson <rth@cygnus.com>
1178 * flow.c (split_edge): Don't allocate global_live_at_start for
1179 the new block unless the old blocks had them as well.
1181 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
1183 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
1184 test_bb if a or b uses x.
1186 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
1188 * cpphash.h: Remove conditional #define of __extension__.
1189 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
1190 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
1191 (ENABLE_RTL_CHECKING only).
1192 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
1193 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
1194 (ENABLE_TREE_CHECKING only).
1195 * varray.h: Add __extension__ to VARRAY_CHECK macro
1196 (ENABLE_CHECKING only).
1198 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1200 Use new tail-calling mechanism on ARM.
1201 * arm.md (sibcall, sibcall_value): New expands.
1202 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
1203 (tailcalling peepholes): Delete.
1204 (push_multi): Simplify.
1205 * arm.c (lr_save_eliminated): Delete definition.
1206 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
1207 (output_return_instruction): Remove checks on lr_save_eliminated.
1208 (output_arm_prologue): Remove old tail-calling code.
1209 (arm_output_epilogue): New parameter, really_return. All callers
1210 changed. Handle tail-calling epilogues.
1211 * arm.h (lr_save_eliminated): Delete declaration.
1212 (frame_pointer_needed): Delete declaration.
1213 * arm-protos.h (arm_output_epilogue): Adjust prototype.
1215 * arm.md (is_thumb): Examine symbol thumb_code, not expression
1217 * arm.c (thumb_code): Define it.
1218 (arm_override_options): Set it.
1219 * arm.h (thumb_code): Declare it.
1221 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1223 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
1225 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
1227 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
1228 bogus clobber to insns.
1229 (load_multiple_operation, store_mulitple_operation): Don't check
1231 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
1233 * arm.md (and_scc, ior_scc): Add missing mode.
1235 * arm.md (call_value_symbol): Remove predicate from op2.
1237 * arm.h (SPECIAL_MODE_PREDICATES): Define.
1239 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * expr.c (get_subtarget): New function.
1242 (force_operand, expand_expr, do_store_flag): Use it.
1244 * toplev.c (compile_file): Don't take strlen of NAME if null.
1246 2000-05-06 David Edelsohn <edelsohn@gnu.org>
1248 * xcoffout.c (xcoff_current_include_file,
1249 xcoff_current_function_file, xcoff_lastfile): Constify char *.
1250 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
1252 (xcoffout_declare_function): Make name 'const char *'.
1253 (xcoffout_end_epilogue): Make fname 'const char *'
1254 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
1255 xcoffout_declare_function, xcoffout_source_line): Match above.
1257 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
1259 * rs6000.c (print_operand): Fix lossage typo.
1260 (output_cbranch): Remove "cr" decoration for now.
1261 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
1263 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
1265 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
1268 2000-05-05 Bruce Korb <bkorb@gnu.org>
1270 * fixinc/genfixes: Improve the matching for make target names
1272 2000-05-05 Catherine Moore <clm@cygnus.com>
1274 * c-common.c (decl_attributes): For TYPE_DECLs attach the
1275 attribute to the decl.
1276 * c-decl.c (pushdecl): Propagate the USED attribute to the
1279 2000-05-05 Richard Henderson <rth@cygnus.com>
1281 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
1282 same way emit_group_load does.
1284 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
1286 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
1288 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
1291 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
1293 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
1295 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
1297 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
1298 to support -shared, on platforms with dynamic libraries.
1300 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
1302 * system.h (S_ISBLK): Provide fallback definition.
1304 2000-05-05 Geoff Berry <geoffb@bops.com>
1306 * extend.texi (Extended Asm): Document inability to give asm
1307 statements access to condition codes.
1309 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
1311 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
1312 as arg 2 of UNIQUE_SECTION.
1314 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
1316 * predict.c: Remove May 4 change.
1317 * bb-reorder.c (make_reorder_chain): Do not perform block movement
1318 if we have predicted the branch at 50-50 probability.
1320 2000-05-05 Richard Henderson <rth@cygnus.com>
1322 * flow.c (init_propagate_block_info): Fix merge error
1323 in HAVE_conditional_execution code.
1325 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
1327 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
1328 shift cycle for unknown shift count. Also generates dec + brpl.
1329 (ashlqi3_out): Don't generate dec + brpl which now generates by
1330 `out_shift_with_cnt'.
1331 (ashlhi3_out): Likewise.
1332 (ashlsi3_out): Likewise.
1333 (ashrqi3_out): Likewise.
1334 (ashrhi3_out): Likewise.
1335 (ashrsi3_out): Likewise.
1336 (lshrqi3_out): Likewise.
1337 (lshrhi3_out): Likewise.
1338 (lshrsi3_out): Likewise.
1340 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
1342 * gcc.c (free_split_directories): Correct typo in explanation
1343 of make_relative_prefix.
1345 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1347 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
1348 comparison codes to branch_comparison_operator.
1350 2000-05-04 Richard Henderson <rth@cygnus.com>
1352 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
1354 2000-05-04 Richard Henderson <rth@cygnus.com>
1356 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
1357 (DPBIT_FUNCS): Remove _sf_to_usi.
1358 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
1360 * ifcvt.c (noce_process_if_block): Fail if A or B modified
1361 between condition and jump.
1363 * libgcc2.c (near eh_context_specific): Comment #endif string.
1364 * longlong.h: Don't use strings with embedded newlines.
1366 2000-05-04 Geoff Keating <geoffk@cygnus.com>
1368 * config/rs6000/rs6000-protos.h: Add output_cbranch.
1369 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
1370 (print_operand): Delete %t and %T codes.
1371 (output_cbranch): New function. Support branch prediction.
1372 * config/rs6000/rs6000.md: Use output_cbranch for
1373 conditional branches and returns.
1375 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
1377 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
1378 * stor-layout.c (place_field): Likewise.
1379 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
1380 * expr.c (store_expr): Make align unsigned.
1381 * explow.c (plus_constant_wide): Make low words unsigned.
1382 * expmed.c (choose_multiplier): Likewise.
1383 * fold-const.c (fold): Likewise.
1384 * tree.h (build_int_2): Likewise.
1385 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
1386 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
1387 (init_emit): Change cast to unsigned char*.
1388 * varasm.c (compare_constant_1): Add cast to char*.
1389 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
1390 * reload1.c (reload): Likewise.
1392 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
1394 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
1396 * predict.c (estimate_probability): If no prediction was found, then
1397 predict the successor that is the next physical block (if such a
1400 2000-05-04 Richard Henderson <rth@cygnus.com>
1402 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
1404 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1406 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
1408 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
1410 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
1411 attribute macros from here ...
1412 (CPP_SPEC): to here.
1413 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1414 (CPP_SPEC): Likewise.
1415 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
1417 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
1418 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
1420 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1422 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
1424 * diagnostic (vbuild_message_string, build_message_string,
1425 build_location_prefix, output_get_prefix, init_output_buffer,
1426 output_notice, vline_wrapper_message_with_location,
1427 v_message_with_decl, default_print_error_function): De-constify.
1428 (set_real_maximum_length): Prototype.
1430 * diagnostic.h (struct output_buffer, init_output_buffer,
1431 output_get_prefix, output_set_prefix): De-constify.
1433 * function.c (init_function_start): Constify.
1435 * gensupport.c (remove_constraints, process_rtx): Prototype.
1437 * gthr-posix.h: Indent uses of #pragma.
1439 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
1442 * predict.c (find_expected_value): Delete prototype.
1443 (expected_value_to_br_prob): Initialize variable `ev_reg'.
1445 * sbitmap.h (debug_sbitmap): Prototype.
1447 * ssa.c (compute_coalesced_reg_partition): Prototype.
1449 * stor-layout.c (debug_rli): Prototype.
1451 * tree.h (round_down): Prototype.
1452 (init_function_start): Constify.
1454 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
1456 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
1457 (overly conservative). Change extern inline wrappers to
1458 static inline, define them always, use PARAMS properly.
1459 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
1460 whitespace warnings for \f and \v at the beginning of a line.
1462 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
1464 * haifa-sched.c (schedule_insns): Free the flow edge list when it
1467 2000-05-04 Bruce Korb <bkorb@gnu.org>
1469 * fixincl/inclhack.def: added broken_cabs -
1470 Remove `extern double cabs' declarations from math.h
1471 * fixincl/inclhack.sh: regen
1472 * fixincl/fixincl.x: regen
1473 * fixincl/fixincl.c: Remove BOGOSITY code
1474 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
1476 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1478 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
1480 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
1481 when calling MEM_COPY_ATTRIBUTES.
1482 * emit-rtl.c (operand_subword, change_address): Likewise.
1483 * explow.c (stabilize): Likewise.
1484 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
1485 * integrate.c (copy_rtx_and_substitute): Likewise.
1486 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
1487 when calling MEM_COPY_ATTRIBUTES.
1488 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
1490 * cse.c (gen_lowpart_if_possible): Likewise.
1491 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
1492 * optabs.c (gen_move_insn): Likewise.
1493 * recog.c (validate_replace_rtx_1): Likewise.
1494 * simplify-rtx.c (add_mem_for_addr): Likewise.
1495 * stmt.c (expand_anon_union_decl): Likewise.
1496 * config/arm/arm.md: Likewise.
1497 * config/h8300/h7300.c (fix_bit_operand): Likewise.
1498 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
1499 (block_move_no_loop, block_move_sequence): Likewise.
1500 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
1501 * config/alpha/alpha.c (get_aligned_mem): Likewise.
1502 Clear MEM_ALIAS_SET.
1503 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
1504 MEM_COPY_ATTRIBUTES.
1506 2000-05-03 Robert Lipe <robertlipe@usa.net>
1508 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
1509 to suppress libgcc1.
1510 (i[34567]86-*-sco3.2v5*) Likewise.
1511 (i[34567]86-*-sco3.2v4*) Likewise.
1512 (i[34567]86-*-sco) Likewise.
1513 (i[34567]86-*-solaris2) Likewise.
1514 (i[34567]86-*-sysv5*) Likewise.
1515 (i[34567]86-*-sysv4*) Likewise.
1516 (i[34567]86-*-udk*) Likewise.
1517 (i[34567]86-*-sysv*) Likewise.
1519 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1521 * cpphash.h (U): New define, to correct type of string constants.
1522 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
1523 routines, to do casts when passing unsigned strings to libc.
1524 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
1526 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
1527 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
1528 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
1529 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
1530 second argument an U_CHAR *.
1532 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
1533 length field, clean up initializer.
1534 (ISTABLE): Add __extension__ to designated-
1535 initializers version.
1536 * cpplex.c (CHARTAB): Likewise.
1538 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
1539 case so the file won't be empty.
1541 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
1543 * bb-reorder.c (struct reorder_block_def): Member succ removed.
1544 (REORDER_BLOCK_SUCC): Removed.
1545 (enum reorder_skip_type): Removed.
1546 (skip_insns_between_block): Renamed to skip_insns_after_block.
1547 Removed second argument. Removed dead code and cleaned up.
1548 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
1549 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
1550 second parameter to skip_insns_after_block.
1552 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1554 * tree.c (staticp, case LABEL_DECL): New case.
1556 2000-05-03 Richard Henderson <rth@cygnus.com>
1558 * Makefile.in (start.encap): Do not depend on LIBGCC1.
1560 * mklibgcc1.in: Fix typo last change.
1562 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1564 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
1565 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
1566 (GCC_CFLAGS): Use it.
1567 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
1568 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
1569 objc/Make-lang.in: Use it.
1571 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
1573 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
1575 2000-05-03 Richard Henderson <rth@cygnus.com>
1577 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
1578 LIBGCC1 empty with libgcc1.null.
1580 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
1582 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
1585 2000-05-03 Greg McGary <gkm@gnu.org>
1587 * tree.h (tree_common): Add bounded_flag member. Remove
1588 inaccurate comment about number of remaining bits.
1589 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
1590 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
1591 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
1592 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
1593 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
1594 (TYPE_QUAL_BOUNDED): New constant.
1595 (TYPE_QUALS): Handle bounded qualifier.
1596 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
1597 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
1598 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
1599 TYPE_AMBIENT_BOUNDEDNESS): New macros.
1600 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
1601 (tree_type): Add pointer_depth member. Remove
1602 inaccurate comment about number of remaining bits.
1603 (DECL_POINTER_DEPTH): Add macro.
1604 (tree_decl): Add pointer_depth member.
1606 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
1608 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
1609 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
1610 (lshrhi3_out): Likewise.
1611 (ashrsi3_out): bugfix in shift by 8.
1612 (test_hard_reg_class): New function.
1613 * config/avr/avr.md: Bugfix inside conditions in peepholes.
1614 (ashlhi3): removed define_expand of this pattern.
1615 (*ashlhi3_insn): renamed to ashlhi3.
1616 (ashlsi3): removed define_expand of this pattern.
1617 (*ashlsi3_insn): renamed to ashlsi3.
1618 (ashrqi3): removed define_expand of this pattern.
1619 (*ashrqi3_insn): renamed to ashrqi3.
1620 (ashrhi3): removed define_expand of this pattern.
1621 (*ashrhi3_insn): renamed to ashrhi3.
1622 (ashrsi3): removed define_expand of this pattern.
1623 (*ashrsi3_insn): renamed to ashrsi3.
1624 (lshrhi3): removed define_expand of this pattern.
1625 (*lshrhi3_insn): renamed to lshrhi3.
1626 (lshrsi3): removed define_expand of this pattern.
1627 (*lshrsi3_insn): renamed to lshrsi3.
1629 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
1631 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
1632 inclusion of "system.h".
1634 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
1636 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
1639 2000-05-03 David Mosberger <davidm@hpl.hp.com>
1641 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
1642 if -mauto-pic is on.
1643 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
1644 -mconstant-gp is in effect and function-descriptors are being used
1645 to make indirect calls.
1646 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
1647 (MASK_AUTO_PIC): Ditto.
1648 (TARGET_CONST_GP): Ditto.
1649 (TARGET_AUTO_PIC): Ditto.
1650 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
1651 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
1652 -mno-pic is in effect.
1653 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
1654 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
1655 -mauto-pic is in effect.
1656 (gprel64_offset): New pattern.
1657 (load_gprel64): Ditto.
1658 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
1659 -mconstant-gp is in effect, no need to preserve gp around direct
1661 (call_value): Ditto.
1662 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
1663 (FUNCTION_PROFILER): Define.
1664 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
1665 @fptr() directive when -mno-pic or -mauto-pic is in effect.
1666 (ASM_OUTPUT_DESTRUCTOR): Ditto.
1668 2000-05-03 Richard Henderson <rth@cygnus.com>
1670 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
1671 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
1672 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
1673 (mklibgcc, libgcc.mk): New targets.
1674 (libgcc.a): Use libgcc.mk.
1675 (stmp-multilib): Likewise.
1676 (stmp-multilib-sub): Remove.
1677 (mostlyclean): Don't delete libgcc2 temp files.
1678 * configure.in (AC_PROG_CC_C_O): Add.
1679 (NO_MINUS_C_MINUS_O): Substitute it.
1680 (all_outputs): Add mklibgcc.
1681 * mklibgcc.in: New file.
1683 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
1685 * cppexp.c (op_t): Make an int.
1687 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
1689 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
1691 * gensupport.c (process_rtx): Fix macros used.
1693 2000-05-03 Richard Henderson <rth@cygnus.com>
1695 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
1696 call-clobbered registers of a call.
1698 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
1700 * gensupport.c: New file.
1701 * gensupport.h: New file.
1702 * Makefile.in (HOST_RTL): Depend on gensupport.
1703 (gensupport.o) New rule.
1704 * genattr.c: Use gensupport for reading .md files.
1705 * genattrtab.c: Ditto.
1706 * gencodes.c: Ditto.
1707 * genconfig.c: Ditto.
1709 * genextract.c: Ditto.
1710 * genflags.c: Ditto.
1711 * genopinit.c: Ditto.
1712 * genoutput.c: Ditto.
1714 * genrecog.c: Ditto.
1715 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
1716 * md.texi (Insn Splitting): Document define_insn_and_split.
1718 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
1720 * flow.c (verify_flow_info): Added two more sanity checks. The
1721 first checks that the blocks are numbered consecutively. The second
1722 checks that n_basic_blocks is actually equal to the number of
1723 basic blocks in the insn chain.
1725 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
1727 * cpplib.h: Add accessor macros for token lists.
1728 * cpplib.c, cpphash.c, cpplex.c: Use them.
1730 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1732 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
1733 memory usage if not in a function.
1734 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
1735 return address if static.
1737 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
1739 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
1740 whether address may trap.
1742 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
1744 * bb-reorder (chain_reorder_blocks): Changed code to test for
1745 EDGE_FALLTHRU rather than making erroneous assumption that the
1746 first outgoing edge is the fall-through edge.
1748 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
1750 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
1751 ABI for varargs, across all MIPS. This is incompatible because the
1752 va_list (__builtin_va_list) structure is different, so a compilation
1753 unit passing a va_list and a compilation unit being passed one, should
1754 both be compiled with the same ABI. (The old structure had two
1755 pointers, now it has three.)
1757 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
1759 * bb-reorder.c (struct reorder_block_def): Remove members end,
1760 block_begin, and block_end.
1761 (REORDER_BLOCK_OLD_END): Delete.
1762 (REORDER_BLOCK_BEGIN): Delete.
1763 (REORDER_BLOCK_END): Delete.
1764 (chain_reorder_blocks): Remove dead code.
1766 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
1768 * bb-reorder.c (remove_scope_notes): Check for both types of scope
1769 notes as the end of a basic block before deleting.
1771 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
1773 * final.c (final_start_function): Fix spelling of "necessary".
1775 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
1777 * toplev.c (debug_ignore_block): Return int.
1778 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
1779 * toplev.h, dwarf2out.h: Adjust.
1780 * emit-rtl.c (remove_unnecessary_notes): Test return value.
1782 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
1783 * toplev.c, final.c, rtl.h: Adjust.
1785 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1787 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
1788 * configure.in: Look for makeinfo in the unified tree, then
1789 for a system makeinfo which is sufficiently new.
1790 * Makefile.in: If configure says makeinfo is too old, don't
1791 build or install Info documentation.
1793 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1795 * cpphash.c (collect_params): Fix off-by-one error.
1796 (dump_hash_helper): Dump all four macro nodetypes.
1798 2000-05-02 Jakub Jelinek <jakub@redhat.com>
1800 * cpphash.c (trad_stringify): Adjust p after stringification as
1803 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
1805 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
1806 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
1808 * cppfiles.c (file_cleanup): Delete.
1809 * cpphash.c (macro_cleanup): Delete.
1810 (collect_objlike_expansion, collect_funlike_expansion,
1811 macarg, scan_arguments): Remove CPP_POP case.
1813 * cpplex.c (null_cleanup): Delete.
1814 (cpp_pop_buffer): Do the work that was done in the cleanups
1815 here. Call _cpp_unwind_if_stack from here.
1816 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
1817 cpp_scan_buffer): Run until we see CPP_EOF and the top of
1818 stack is the buffer _below_ the one we stacked.
1819 (cpp_get_token): Always pop an exhausted buffer. Return
1820 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
1821 * cpplib.c (skip_if_group): Don't call cpp_get_token to
1822 increment the line number.
1823 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
1825 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
1826 we see CPP_EOF and the top of stack is the buffer _below_ the
1828 * scan-decls.c: Likewise.
1830 2000-05-02 Andrew Haley <aph@cygnus.com>
1832 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
1833 where this function is called for the second time on a decl that
1834 has had its section info changed in such a way as to move it out
1836 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
1838 2000-05-01 Richard Henderson <rth@cygnus.com>
1840 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
1841 the sequence we're moving, not to merge_bb->head.
1843 2000-05-01 Richard Henderson <rth@cygnus.com>
1845 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
1846 reference to alpha/t-linux.
1847 (alpha*-*-linux-gnu*): Likewise.
1848 * configure: Rebuild.
1850 * calls.c (expand_call): Don't emit reg notes for a sibcall.
1852 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
1855 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
1857 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
1859 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
1862 2000-05-01 Richard Henderson <rth@cygnus.com>
1864 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
1865 emit_conditional_move.
1867 2000-05-01 Jakub Jelinek <jakub@redhat.com>
1869 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
1870 as the dynamic linker.
1872 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
1874 * cppfiles.c (open_include_file): Open file in blocking mode.
1875 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
1876 Only exclude block devices and directories.
1878 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
1879 static. Allocate the hashnode and its string in the same
1881 (del_HASHNODE): Don't free h->name.
1882 (_cpp_lookup): If there is no entry for this string, create
1883 one, of type T_VOID.
1884 (_cpp_lookup_slot): Delete.
1885 * cpphash.h: Update prototypes.
1887 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
1889 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
1890 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
1891 node here, just fill in the value field properly. "Delete"
1892 entries by setting the value field to T_VOID. Check for
1893 hp->type == T_VOID, not hp == NULL.
1895 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
1896 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
1899 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
1901 * config/mn10300/mn10300.c (print_operand_address): Do not add
1904 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
1905 adjusted by less than 256 bytes, use ret regardless of having any
1906 callee-saved register to restore.
1908 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
1910 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
1912 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
1914 * config/i386/djgpp.h (INT_ASM_OP): Define.
1915 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
1916 (ASM_WEAKEN_LABEL): Define.
1917 (MASK_BNU210): Define.
1918 (SUBTARGET_SWITCHES): Define.
1919 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
1920 (MAKE_DECL_ONE_ONLY): Define.
1921 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
1923 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
1925 * i386/cygwin.h (INT_ASM_OP): Define.
1927 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
1929 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
1930 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
1932 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
1934 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
1935 __tmp_reg__ and __zero_reg__ initialization.
1937 2000-04-30 Richard Henderson <rth@cygnus.com>
1939 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
1941 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
1942 referenced bewteen the condition and the jump. Don't delete
1943 anything but the jump.
1945 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
1947 * bb-reorder.c (scope_def): New struct.
1948 (scope_forest_info): New struct.
1949 (struct reorder_block_def): New member "scope".
1950 (REORDER_BLOCK_SCOPE): New macro.
1951 (relate_bbs_with_scopes): New function and prototype.
1952 (make_new_scope): Likewise.
1953 (build_scope_forest): Likewise.
1954 (remove_scope_notes): Likewise.
1955 (insert_intra_1): Likewise.
1956 (insert_intra_bb_scope_notes): Likewise.
1957 (insert_inter_bb_scope_notes): Likewise.
1958 (rebuild_scope_notes): Likewise.
1959 (free_scope_forest_1): Likewise.
1960 (free_scope_forest): Likewise.
1961 (dump_scope_forest): Likewise.
1962 (dump_scope_forest_1): Likewise.
1963 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
1964 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
1966 (reorder_basic_blocks): Added calls to build_scope_scope_forest
1967 and remove_scope_notes before reordering is done. Added calls to
1968 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
1969 after reordering is done.
1971 2000-40-30 Bruce Korb <bkorb@gnu.org>
1973 * fixinc/inclhack.def: Added definitions needed by OSR5,
1974 removed two stale entries (defined away with OLD_CPP).
1975 * fixinc/inclhack.sh: regen
1976 * fixinc/fixincl.x: regen
1978 2000-04-30 Richard Henderson <rth@cygnus.com>
1980 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
1981 from the last insn in the sequence.
1983 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
1985 * cpplex.c (cpp_idcmp): New function.
1986 * cpplib.h: Prototype it.
1987 * scan_decls.c (scan_decls): Use it to inspect token names.
1988 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
1989 the file being run through the preprocessor.
1990 (check_macro_names): Provide length of token to cpp_defined.
1992 * Makefile.in: Remove stale warning message.
1994 * cppfiles.c (redundant_include_p): Provide length of token to
1996 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
1997 values are unsigned int.
1998 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
1999 (_cpp_lookup_slot): Do not calculate the hash, either.
2000 * cpphash.h: Update prototypes.
2001 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2002 Hashes are unsigned int. Calculate hash here, pass by value
2003 to _cpp_lookup_slot.
2005 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
2007 * simplify-rtx.c (check_value_useless): Delete function.
2008 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
2010 (cselib_invalidate_regno): Likewise.
2011 (cselib_invalidate_mem_1): Likewise.
2012 (references_value_p): Recognize useless values by the fact that they
2014 (discard_useless_values): Likewise.
2015 (cselib_record_set): This may turn a useless value
2018 2000-04-30 Richard Henderson <rth@cygnus.com>
2020 * config/d30v: New port.
2022 * configure.in (d30v-*): Set fp format.
2023 * configure: Rebuild.
2025 2000-04-30 Richard Henderson <rth@cygnus.com>
2027 * ifcvt.c: New file.
2028 * Makefile.in (OBJS): Add it.
2029 (ifcvt.o): New target.
2030 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
2031 and conditional arithmetic.
2032 (find_insert_position): Remove.
2033 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
2034 * toplev.c (DFI_ce, DFI_ce2): New.
2035 (dump_file): Add ce and ce2 dumps.
2036 (rest_of_compilation): Run if_convert a couple o times. Set
2037 cse_not_expected after cse2. Don't set no_new_pseudos until
2038 after sched1 or recompute_reg_usage.
2040 2000-04-30 Richard Henderson <rth@cygnus.com>
2042 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
2043 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
2045 2000-04-30 Richard Henderson <rth@cygnus.com>
2047 * flow.c (struct reg_cond_life_info): New.
2048 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
2049 (init_propagate_block_info): Initialize them.
2050 (free_propagate_block_info): Destruct them.
2051 (mark_set_1): Consider conditional life before killing a register.
2052 (mark_regno_cond_dead): New.
2053 (free_reg_cond_life_info): New.
2054 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
2055 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
2056 (mark_used_reg): Record conditional life.
2058 * haifa-sched.c (schedule_insns): Disable death counting
2059 sanity check for HAVE_conditional_execution.
2061 2000-04-30 Richard Henderson <rth@cygnus.com>
2063 * Makefile.in (TIMEVAR_H): New.
2064 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
2065 (timevar.h): Remove rule.
2067 2000-04-29 Richard Henderson <rth@cygnus.com>
2069 * config/alpha/crtend.asm: Use C comments instead of #.
2070 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
2072 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
2074 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
2076 * cpphash.h (enum node_type: Take out T_MCONST.
2077 (union hashval): Move into struct hashnode.
2078 (struct hashnode): Pack tighter. Remove file, line, col
2080 * cpphash.c: Constify most of the macro-definition structures.
2081 (struct definition): Replace by struct object_defn
2082 and struct funct_defn. Put file, line, column information
2083 here. All users updated to match.
2084 (_cpp_create_definition, _cpp_macroexpand): Remove special
2085 case for #define WORD OTHERWORD.
2086 * cpplib.c (do_undef): Remove T_MCONST case.
2088 * cpphash.h: Move struct reflist, struct definition, and the
2089 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
2090 union hashval. _cpp_free_definition takes a HASHNODE pointer.
2091 * cpphash.c (_cpp_free_definition): Free data pointed to by
2092 MCONST, XCONST, MACRO, and FMACRO nodes properly.
2093 (_cpp_create_definition, del_HASHNODE): Just call
2094 _cpp_free_definition to clear out a hashnode.
2095 * cpplib.c (do_pragma_poison): Likewise.
2097 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2099 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
2100 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
2101 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
2102 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
2103 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
2104 REGNO_AM33_P): Redefine in terms of the new macros.
2105 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
2106 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2107 STRUCT_VALUE): Likewise.
2108 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2109 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
2111 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
2113 * regmove.c (struct record_stack_memrefs_data): New.
2114 (record_stack_memrefs): New function.
2115 (combine_stack_adjustments_for_block): Use it.
2117 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2119 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
2120 use special_function_p to detect alloca.
2122 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
2124 * gcc.texi: Fixes for makeinfo 4.0 --html.
2126 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
2128 * pcp.h: Delete file.
2130 2000-04-28 Kazu Hirata <kazu@hxi.com>
2132 * h8300.c (function_epilogue): Clean up flags when the last insn
2133 in a function is a barrier.
2135 2000-04-28 Chris Demetriou <cgd@sibyte.com>
2137 * configure.in (sparc-hal-solaris2*): protect [] glob from
2139 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
2140 rather than hard-coded constants in target_cpu_default2.
2141 * configure: Regenerate.
2143 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2145 * tree.c (get_callee_fndecl): Extract the initial value from
2148 2000-04-28 Richard Henderson <rth@cygnus.com>
2150 * varasm.c (record_constant_1): Record the CODE_LABEL when
2151 taking the address of a LABEL_REF.
2153 2000-04-28 Richard Henderson <rth@cygnus.com>
2154 Jan Hubicka <jh@suse.cz>
2156 * calls.c (combine_pending_stack_adjustment_and_call): Return the
2157 adjustment; don't do the stack adjust.
2158 (expand_call): Call compute_argument_block_size right before
2159 allocating the block; update comment; don't do alignment sanity
2160 checking for sibling call; use args_size instead of
2161 unadjusted_args_size before args_size is adjusted. Use
2162 combine_pending_stack_adjustment_and_call to compute stack adjust
2163 for must_preallocate case.
2165 * expr.c (push_block): Remove shadow `temp' in inner scope.
2167 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
2169 * toplev.c (rest_of_compilation): Call
2170 note_deferral_of_defined_inline_function even if the function
2173 2000-04-28 Scott Bambrough <scottb@netwinder.org>
2175 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
2177 2000-04-28 Richard Henderson <rth@cygnus.com>
2179 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
2181 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * timevar.c (init_timevar): DeANSIfy function definition.
2185 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2187 * Makefile.in (timevar.o): Depend on flags.h.
2188 * timevar.c (unused_stack_instances): New variable.
2189 (timevar_push): Take a timevar_stack_def from
2190 unused_stack_instances if available.
2191 (timevar_pop): Push the popped timevar_stack_def onto
2192 unused_stack_instances.
2193 (TIMEVAR_ENABLE): New macro.
2194 (timevar_def): Make standalone a 1-bit field. Add field used.
2195 (get_time): Rename parameter to now. Return after clearing it if
2197 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
2198 (timevar_pop): Likewise.
2199 (timevar_stop): Likewise.
2200 (timevar_push): Likewise. Mark the timing variable as used.
2201 (timevar_start): Likewise.
2202 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
2203 timevars that were never used.
2205 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2207 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
2208 always TREE_READONLY.
2210 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
2212 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
2213 for call instruction with mode QImode.
2215 2000-04-27 Alex Samuel <samuel@codesourcery.com>
2217 * Makefile.in (OBJS): Add timevar.o.
2218 (toplev.o): Depend on timevar.h.
2219 (ggc-simple.o): Likewise.
2220 (ggc-page.o): Likewise.
2221 (timevar.o): New rule.
2222 (timevar.h): New rule.
2224 * timevar.h: New file.
2225 * timevar.c: Likewise.
2226 * timevar.def: Likewise.
2228 * toplev.h (gc_time, parse_time, varconst_time): Remove.
2229 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
2231 (TIMEVAR): Remove macro.
2232 (gc_time, parse_time, varconst_time, integration_time, jump_time,
2233 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
2234 flow_time, combine_time, regmove_time, sched_time,
2235 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
2236 sched2_time, dbr_sched_time, reorder_blocks_time,
2237 rename_registers_time, shorten_branch_time, stack_reg_time,
2238 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
2240 (compile_file): Don't initialize time variables. Call
2241 init_timevar and start TV_TOTAL timer. Call timevar_print instead
2242 of many calls to print_time.
2243 (rest_of_compilation): Add timing for reload_cse_regs.
2244 (get_run_time): Removed to timevar.c.
2245 (print_time): Likewise.
2246 (get_run_time): Implement using TV_TOTAL time variable.
2247 (print_time): Get total run time from get_run_time.
2248 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
2249 computing elapsed time explicitly.
2250 * ggc-simple.c (ggc_collect): Likewise.
2251 (gc_time): Remove declaration.
2253 2000-04-27 Mark Mitchell <mark@codesourcery.com>
2255 * calls.c (combine_pending_stack_adjustment_and_call): New function.
2256 (expand_call): Use it.
2258 2000-04-27 Jan Hubicka <jh@suse.cz>
2260 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
2263 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2265 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
2268 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
2270 * function.c (epilogue_done): Pass whole insn to record_insns.
2272 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
2274 * cse.c (CSE_ADDRESS_COST): Remove.
2275 (find_best_addr): Add new parameter "MODE", use address_cost instead
2277 (address_cost): New.
2278 (fold_rtx): Update call of find_best_addr.
2279 * rtl.h (address_cost): Declare.
2280 * loop.c (general_induction_var): Add new parameter "MODE", use
2281 address_cost instead of ADDRESS_COST
2282 (init_loop): Use address_cost instead of ADDRESS_COST.
2283 (check_insn_for_givs): Update call of general_induction_var.
2284 (find_mem_givs): Likewise.
2285 (consec_sets_giv): Likewise.
2286 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
2287 * i386.c (ix86_address_cost): New.
2288 * i386-protos.h (ix86_address_cost): Declare.
2290 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
2292 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
2295 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
2297 * expr.c (store_expr): Use clear_storage instead of direct memset
2300 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
2302 * config/mn10300/mn10300.c (mn10300_address_cost): Test
2303 ASHIFT, AND and LABEL_REF.
2305 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
2307 * invoke.texi (-foptimize-sibling-calls): Fix.
2309 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
2311 * loop.c (load_mems) Don't use hard registers for the hoisting.
2313 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
2314 calculation; rename const_equiv array in the preconditioning code
2315 from loop_unroll to loop_unroll_precondition
2317 2000-04-27 Richard Henderson <rth@cygnus.com>
2319 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
2321 (propagate_one_insn): Clear it. Don't update reg_live here.
2322 (init_propagate_block_info): Update for pbi member changes.
2323 (free_propagate_block_info): Likewise.
2324 (mark_set_1): Know that zero_extract, sign_extract, and
2325 strict_low_part don't kill their argument. Alter hard subregs.
2326 Update new_set for non-CLOBBER sets. Update reg_live.
2327 (find_auto_inc): Update reg_live, not new_dead.
2328 (mark_used_reg): Update reg_live, not new_live. Examine new_set
2329 to determine if the reg in question was set this insn. Only update
2330 reg info with PROP_REG_INFO.
2332 2000-04-26 Richard Henderson <rth@cygnus.com>
2334 * flow.c (allocate_reg_life_data): Set max_regno here ...
2335 (life_analysis): ... not here.
2337 * flow.c (calculate_global_regs_live): Force stack pointer
2340 2000-04-26 Richard Henderson <rth@cygnus.com>
2342 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
2343 commit change group changes.
2344 (invert_exp_1): Similarly.
2345 (redirect_exp, invert_exp): Use them.
2346 (redirect_jump_1): New.
2347 (invert_jump_1): New.
2348 (jump_optimize_1): Remove code subsumed by condexec.c.
2349 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
2351 2000-04-26 Richard Henderson <rth@cygnus.com>
2353 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
2355 * genconfig.c (main): Set all HAVE_foo to 1.
2357 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
2359 2000-04-26 Alex Samuel <samuel@codesourcery.com>
2361 * invoke.texi: Document -fssa flag.
2363 2000-04-26 Richard Henderson <rth@cygnus.com>
2365 * flow.c (count_reg_sets_1): Remove.
2366 (count_reg_sets, count_reg_references): Remove.
2367 (recompute_reg_usage): Implement with update_life_info.
2368 Reallocate life data.
2370 2000-04-26 Richard Henderson <rth@cygnus.com>
2372 * flow.c (update_life_info): Consider blocks null to mean the
2374 (calculate_global_regs_live): Likewise.
2375 (life_analysis): Do that instead of collecting all_blocks.
2377 2000-04-26 Richard Henderson <rth@cygnus.com>
2379 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
2380 a still-valid conditional jump.
2382 2000-04-26 Richard Henderson <rth@cygnus.com>
2384 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
2386 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
2387 * flow.c (calculate_loop_depth): Remove.
2388 * output.h (calculate_loop_depth): Don't declare.
2389 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
2390 inline; run estimate_probability at the same time.
2392 2000-04-26 Neil Booth <NeilB@earthling.net>
2394 * cpplib.h: "~=" is not a single pp-token.
2395 * cpplex.c: Correct commentary.
2397 2000-04-26 Richard Henderson <rth@cygnus.com>
2399 * flow.c (mark_set_1): New arguments code and flags; update all
2400 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
2401 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
2402 loop_depth when optimizing for size. Do new_dead update after
2403 emitting REG_UNUSED notes. Merge mark_set_reg code.
2404 (mark_set_reg): Remove.
2405 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
2406 arrange to not emit REG_UNUSED notes.
2408 2000-04-26 Richard Henderson <rth@cygnus.com>
2410 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
2411 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
2413 2000-04-26 Richard Henderson <rth@cygnus.com>
2415 * flow.c (propagate_one_insn): Break out from propagate_block.
2416 (init_propagate_block_info): Likewise.
2417 (free_propagate_block_info): Likewise.
2418 (propagate_block): Use them. Export.
2419 * basic-block.h: Declare them all.
2421 2000-04-26 Richard Henderson <rth@cygnus.com>
2423 * basic-block.h (life_analysis): Declare here ...
2424 * output.h: ... not here.
2425 * flow.c (life_analysis): Remove nregs parameter; replace
2426 remove_dead_code with flags. Remove ssa dead code check.
2427 Only init alias analysis if we'll use it.
2428 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
2429 * ssa.c (convert_to_ssa): Likewise.
2430 (convert_from_ssa): Likewise.
2431 * toplev.c (rest_of_compilation): Likewise.
2433 2000-04-26 Richard Henderson <rth@cygnus.com>
2435 * flow.c (flow_delete_block): Rename from delete_block. Export.
2436 * basic-block.h (flow_delete_block): Declare.
2438 2000-04-26 David S. Miller <davem@redhat.com>
2440 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
2441 taking a PATTERN of it.
2443 2000-04-26 <NeilB@earthling.net>
2445 * cpplex.c (spell_other, spell_char): Remove.
2447 (token_spelling, trigraph_map): Use unsigned chars.
2448 (_cpp_lex_line): Tidy up the switch statement.
2449 * cpplib.h: Implement spell_char with spell_string.
2452 2000-04-26 <RodneyBrown@pmsc.com>
2454 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2455 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
2457 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2459 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
2460 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
2461 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
2462 dwarf2out_return_save, dwarf2out_return_reg,
2463 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
2464 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
2465 gen_compile_unit_die, dwarf2out_init): Constify a char*.
2467 * dwarf2out.h (dwarf2out_init): Likewise.
2469 * dwarfout.c (filename_entry, primary_filename, last_filename,
2470 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
2472 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
2473 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
2474 dwarf2out_return_reg): Likewise.
2476 2000-04-26 Andreas Jaeger <aj@suse.de>
2478 * extend.texi (Function Attributes): Fix description of pure
2481 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2483 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
2484 before calling rest_of_compilation.
2486 2000-04-26 Andreas Jaeger <aj@suse.de>
2488 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
2491 2000-04-25 Richard Henderson <rth@cygnus.com>
2493 * cse.c (cse_insn): Emit barrier after unconditional jump.
2495 * calls.c (expand_call): Disable tail call generation once
2496 rtx_equal_function_value_matters is false.
2498 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
2501 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
2503 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
2505 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
2507 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
2508 is the primary DIE for a member function.
2509 (gen_decl_die): Call set_decl_origin_self here.
2510 * dwarfout.c (output_decl): And here.
2511 * integrate.c (output_inline_function): Not here.
2512 Don't clear DECL_INLINE until after calling rest_of_compilation.
2513 (set_decl_origin_self): No longer static.
2514 * tree.h: Add prototype.
2515 * toplev.c (note_deferral_of_defined_inline_function): Only write
2516 out abstract instance for actual inlines.
2518 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
2520 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
2521 EXTENDED_REGS only if TARGET_AM33.
2522 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
2523 SP_REGS to register allocation and reloading unless absolutely
2525 (movsi3): Remove special-case of adding non-constants to SP.
2527 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2529 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
2530 INCLUDES to search and does not provide any of its own. Also it
2531 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
2532 parameters. Also it does not call AC_DEFINE.
2533 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
2534 AC_DEFINE and provides for automatic entries for autoheader.
2535 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
2537 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
2538 so we can pass -I flags and include gansidecl.h/system.h in this
2541 * acconfig.h: Delete all NEED_DECLARATION_* entries.
2543 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2545 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2546 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2547 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
2549 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
2550 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
2551 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
2552 for these macros. Clean up spacing and linewraps.
2554 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
2556 * calls.c (expand_call): Use get_callee_fndecl.
2558 * print-tree.c (print_node): Print the chain of an _EXPR.
2560 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
2561 Jim Wilson <wilson@cygnus.com>
2562 Andrew Haley <aph@cygnus.com>
2564 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
2565 and gp save/restore problems.
2566 * config/ia64/crtend.asm: Add IA-64 unwind support.
2567 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
2568 in fr_pad_size calculation.
2569 (save_restore_insns): Move PR save area. Correct uses of
2570 RTX_FRAME_RELATED_P.
2571 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
2572 (ia64_expand_epilogue): Add eh_epilogue support.
2573 (ia64_function_prologue): Emit .prologue directive.
2574 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
2575 (ia64_override_options): Set init_machine_status and
2576 mark_machine_status.
2577 (rtx_needs_barrier): Handle bsp reads and writes.
2578 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
2579 New static variables.
2580 (process_set, process_for_unwind_directive): New functions.
2581 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
2582 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
2583 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
2585 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
2586 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
2587 (struct machine_function): Define.
2588 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
2590 2000-04-25 Bruce Korb <bkorb@gnu.org>
2592 * fixinc/Makefile.in: make the removal of old programs more
2594 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
2595 install-bin and install-sh
2597 2000-04-25 Nick Clifton <nickc@cygnus.com>
2599 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
2600 defined, define to return zero.
2601 (function_cannot_inline_p): If a function has any target
2602 specific attributes, then use the macro
2603 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
2604 whether it can be inlined. If it cannot, issue a suitable
2607 * tm.texi: Add a new node 'Inlining' to document the new macro
2608 FUNCTION_ATTRIBUTE_INLINABLE_P.
2610 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
2612 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
2615 2000-04-25 Neil Booth <NeilB@earthling.net>
2617 Restore previous patch, plus the following fixes:
2619 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
2620 flags, not CPP_OPEN_PAREN.
2621 * cpplex.c (expand_token_space, init_token_list,
2622 cpp_free_token_list): Put the dummy token at list->tokens[-1].
2623 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
2625 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2627 * config/i386/freebsd.h (INT_ASM_OP): Define.
2629 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
2631 * loop.c (strength_reduce): Fix typo in the last checkin.
2633 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2635 * stor-layout.c (finalize_record_size): Simplify to use existing
2637 (compute_record_mode): No longer static.
2638 * tree.h (compute_record_mode): New declaration.
2640 2000-04-25 Neil Booth <NeilB@earthling.net>
2642 * Revert my patch below until cause of build failures
2645 2000-04-25 Richard Henderson <rth@cygnus.com>
2647 * combine.c (combine_instructions): Add missing argument
2650 * toplev.c (rest_of_compilation): Delay sibcall optimization
2651 until after emit_eh_context.
2653 2000-04-24 Nick Clifton <nickc@redhat.com>
2655 * combine.c (combine_instructions): Do not try to combine a
2656 sequence of insns when the second insn has been replaced by a
2659 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
2661 * gcc.c (load_specs): New static function.
2662 (read_specs): Use it.
2664 * gcc.c (lookup_compiler): Make multiple passes for case
2665 insensitive filesystems.
2667 2000-04-24 Neil Booth <NeilB@earthling.net>
2669 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
2670 * cpphash.h (_cpp_check_directive): new.
2671 * cpplex.c (handle_newline, cpp_free_token_list,
2672 init_trigraph_map, trigraph_ok, trigraph_replace,
2673 backslash_start, skip_block_comment, skip_line_comment,
2674 skip_whitespace, parse_name, parse_number, parse_string,
2675 copy_comment, _cpp_lex_line, spell_char, spell_string,
2676 spell_comment, spell_name, spell_other, _cpp_lex_file,
2677 _cpp_output_list): new.
2678 (expand_name_space): take length argument.
2679 (init_token_list): add comment list initialisation.
2680 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
2681 instead of HSPACE_BEFORE.
2683 * cpplib.c (_cpp_check_directive): new
2684 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
2685 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
2686 (HSPACE_BEFORE): delete.
2687 (TTYPE_TABLE): rearrange.
2688 (struct cpp_toklist): update.
2690 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2692 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
2693 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
2694 argument form of AC_DEFINE.
2696 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
2697 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
2698 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
2699 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
2700 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
2702 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
2704 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2706 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
2707 deduced.h): Use -isystem, not -I, for including system headers.
2709 2000-04-24 Nick Clifton <nickc@cygnus.com>
2711 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
2712 the source register is the frame pointer or arg pointer.
2713 (addsi3_small_int): Disallow if source register is the frame
2714 pointer or arg pointer.
2716 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2718 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
2719 call to AC_MSG_RESULT.
2721 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2723 * invoke.texi: Correct grammatical errors, document
2724 -fno-gnu-keywords as identical to -fno-asm for C++.
2726 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2728 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
2729 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
2730 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
2731 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
2732 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
2734 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
2735 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
2736 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
2737 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
2740 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
2742 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
2743 (pop_alignment): Likewise.
2744 (handle_pragma_token): Likewise.
2746 2000-04-24 Robert Lipe <robertlipe@usa.net>
2748 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
2750 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
2752 * combine.c (try_combine): Update reg_nonzero_bits of
2753 newi2pat before newpat.
2755 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
2757 * loop.c (strength_reduce): Simplify test to INSN_P.
2758 (record_giv): Attempt to simplify the add value, use CONSTANT_P
2759 expressions instead of CONST_INT.
2760 (express_from_1): Likewise.
2762 2000-04-24 Mark Mitchell <mark@codesourcery.com>
2764 * regs.h (reg_n_max): Don't declare.
2765 * flow.c (reg_n_max): Don't define.
2766 * regclass.c (renumber): Don't initialize to zero.
2767 (regno_allocated): Likewise.
2768 (reg_n_max): Define.
2769 (allocate_reg_info): Don't initialize unnecessarily.
2771 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
2773 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
2774 and blockage_p in the newly allocated attribute.
2776 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
2778 * config/mn10300/mn10300.md (addsi): `inc4' on address
2779 registers does not modify cc, but `inc' on an extended
2782 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
2784 * reload.c (find_equiv_reg): Checks all valueno regs
2785 as a reload_reg_p regs.
2787 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2789 * cpphash.c (collect_objlike_expansion): Add sanity check.
2790 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
2791 the buffer is the empty string, return. Mark __DATE__ and
2792 __TIME__ as XCONST nodes, not MCONST.
2793 (_cpp_macroexpand): Avoid pushing an empty buffer.
2794 (funlike_macroexpand): Don't pop token_buffer here.
2796 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
2798 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
2799 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
2800 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
2801 (REGNO_OK_FOR_BASE_P): Define in terms of them.
2802 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
2803 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
2804 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
2806 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2808 * loop.c (simplify_giv_expr): Be more agressive on simplifying
2811 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
2813 * cpphash.h (struct definition): Move file, line, col members...
2814 (struct hashnode): ... here. Also add 'disabled' flag.
2815 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
2816 T_IDENTITY. Remove T_DISABLED.
2819 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
2820 (collect_expansion): Split into collect_objlike_expansion and
2821 collect_funlike_expansion.
2822 (_cpp_macroexpand): Split out scan_arguments, stringify, and
2823 funlike_macroexpand.
2824 (_cpp_compare_defs): Rename compare_defs, make static.
2825 (_cpp_make_hashnode): Initialize hp->disabled.
2826 (macro_cleanup): Adjust for new token types. Clear
2828 (_cpp_create_definition): Move code here to determine what
2829 sort of macro it is, and code to check for redefinitions, from
2830 do_define. Implement a few simple cases without creating a
2832 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
2833 Handle the simple cases.
2834 (push_macro_expansion): Set buf->has_escapes and hp->disabled
2837 * cppinit.c (builtin_array): Change MCONST to XCONST
2839 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
2840 fix check for disabled and function-like macros.
2841 * cpplib.c (do_define): Move most logic to
2842 _cpp_create_definition.
2843 (do_undef): Handle new special token types.
2845 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
2847 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
2848 of CONSTANT_P for mult_val; always use validate_change to update insn.
2850 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
2852 * cpphash.c (trad_stringify, add_pat): New functions.
2853 (collect_expansion): Restore support for -traditional syntax.
2854 Use trad_stringify and add_pat.
2855 (_cpp_macroexpand): Restore support for -traditional semantics.
2856 * cpplex.c (_cpp_scan_line): Don't change space_before if we
2857 get a COMMENT token.
2858 (_cpp_lex_token): Provide COMMENT tokens to caller if
2859 traditional and parsing_define_directive.
2860 (skip_comment): Warn about // comments if -Wtraditional.
2861 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
2863 (do_undef): Don't warn about undefining EMPTY nodes.
2865 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2867 * loop.c (strength_reduce): Fix biv removal code.
2869 2000-04-22 Richard Henderson <rth@cygnus.com>
2871 * predict.c (estimate_probability): Examine both sides of
2872 a branch for no exits. Use 90% not 50% for predict taken.
2873 Reorg for one copy of note generation code.
2875 2000-04-22 Richard Henderson <rth@cygnus.com>
2877 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
2879 2000-04-22 Richard Henderson <rth@cygnus.com>
2881 * diagnostic.c (init_output_buffer): Don't initialize format_args.
2882 (output_clear): Likewise.
2883 (output_printf): Use va_copy.
2884 (vline_wrapper_message_with_location): Likewise.
2885 (v_message_with_decl): Likewise.
2886 (line_wrapper_printf): VA_START infor buffer.format_args directly.
2887 * system.h (va_copy): Provide default implementation.
2889 2000-04-22 Richard Henderson <rth@cygnus.com>
2891 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
2892 the collected condition is not a constant.
2894 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
2896 * diagnostic.h: New file.
2898 * Makefile.in (diagnostic.o): Depends on diagnostic.h
2900 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
2901 various function prototypes.
2902 (diagnostic.h): #include.
2903 (struct output_buffer): Move into diagnostic.h.
2904 (get_output_prefix): Rename to output_get_prefix. Export.
2905 (init_output_buffer): Export. Break out. Ajust intialization.
2906 (output_space_left, output_append): Export.
2907 (output_newline): Rename to output_add_newline. Export.
2908 (output_clear): Nullify additional output_buffer fields.
2909 (output_puts): Rename to output_add_string. Export.
2910 (dump_output): Rename to output_flush_on. Export.
2911 (build_location_prefix): Constify return-type.
2912 (emit_output_prefix): Rename to output_emit_prefix. Export.
2913 (set_real_maximum_length): New function.
2914 (output_set_maximum_length): Ditto
2915 (output_clear): Ditto.
2916 (output_add_character): Ditto.
2917 (output_add_integer): Ditto.
2918 (output_add_space): Ditto.
2919 (output_format): Ditto.
2920 (output_printf): Adjust buffer initialization.
2921 (vline_wrapper_message_with_location): Ditto.
2922 (v_message_with_decl): Ditto. Adjust call to output_puts
2923 and get_output_prefix.
2924 (default_print_error_function): Adjust buffer intialization.
2926 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2928 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
2931 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
2933 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
2936 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
2938 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
2939 accurate data about SP moves.
2941 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
2943 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
2944 aliases to AM33 registers.
2946 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
2948 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
2949 to all EXTENDED bitmaps.
2951 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
2953 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
2954 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
2955 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
2957 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
2959 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
2960 the operand is not constant.
2962 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
2964 * reload.c (find_equiv_reg): Checks all valueno and regno regs
2965 as a call-clobbered regs.
2967 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2969 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
2971 * rtl.def: Update comment.
2972 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
2973 * integrate.c (expand_inline_function): Likewise.
2974 * profile.c (branch_prob): Likewise.
2975 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
2976 * print-rtl.c (print_rtx): Likewise.
2977 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
2978 (reemit_notes): Likewise; also use enum insn_note.
2980 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
2981 (place_field): Properly compute know and actual alignment.
2983 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
2986 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
2989 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
2991 * cpphash.c (struct arg, struct arglist): Const-ify strings.
2992 (warn_trad_stringify, duplicate_arg_p): New helper functions.
2993 (collect_expansion): Rewrite to scan over a token list.
2994 Remove -traditional support.
2995 (collect_formal_parameters): Rename to collect_params; rewrite
2996 to scan over a token list.
2997 (_cpp_create_definition): Adjust to scan a token list.
2998 (_cpp_macroexpand): Remove -traditional support.
2999 (_cpp_compare_defs): Whitespace is now canonicalized.
3000 (comp_def_part): Delete function.
3002 * cpphash.h: Update prototypes.
3003 * cpplex.c (init_token_list): Don't set lineno if there is no
3005 (pedantic_whitespace): New function.
3006 (_cpp_scan_line): Mark tokens that had hspace before. Don't
3007 consume a newline. Use pedantic_whitespace.
3008 (_cpp_lex_token): Remove support for -traditional macros.
3009 (_cpp_get_define_token): Delete.
3010 (_cpp_get_directive_token): Do the real work here. Use
3011 pedantic_whitespace.
3012 (_cpp_init_input_buffer): Initialize pfile->directbuf.
3014 * cpplib.c (get_macro_name): Delete.
3015 (do_define): Read the entire line into pfile->directbuf, then
3016 feed the token list to _cpp_create_definition.
3017 * cpplib.h (HSPACE_BEFORE): new define.
3018 (struct cpp_reader): Add a toklist member, "directbuf".
3020 * predict.c (estimate_probability): New heuristic: if a jump
3021 branches around a block with no successors, predict it taken.
3022 Disentangle control flow.
3024 2000-04-20 Richard Henderson <rth@cygnus.com>
3026 * loop.c (emit_iv_add_mult): Revert last change.
3028 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3030 * cpplib.h (enum cpp_ttype): Add token types for all
3031 punctuators. Distinguish pp-numbers from valid C numbers.
3032 Give some tokens better names. Initialize from macro.
3033 (struct cpp_name, cpp_token, cpp_toklist): New data
3036 * cpplex.c (bump_column, expand_name_space,
3037 expand_token_space, init_token_list, cpp_output_list,
3038 _cpp_scan_line): New functions.
3039 (output_line_command): Add third argument, new line number.
3040 * cpphash.h: Update prototypes.
3041 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
3044 2000-04-20 Richard Henderson <rth@cygnus.com>
3046 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
3048 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
3050 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
3053 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
3055 * loop.c (emit_iv_add_mult): Simplify it's input and emit
3056 REG_EQUAL note explaining the calculated value.
3058 * calls.c (expand_call): Avoid unnecesary precalculation
3059 and outgoing parameters space guarding for sibling calls.
3060 (store_one_arg): Likewise.
3062 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3064 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
3065 (rest_of_compilation): Write sibling dump file and account
3066 for time as jump time.
3067 * invoke.texi: Update documentation on dump flags.
3069 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
3071 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
3073 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
3075 * cpphash.c (special_symbol): Represent an empty macro with
3076 "\r \r " not just "\r ".
3077 (_cpp_macroexpand): Correct condition for the foo ( ) special
3079 (unsafe_chars): Handle EOF as second argument.
3080 (push_macro_expansion): Simplify test for removing escape at
3081 end. Do not trim both escapes if there is no text in between.
3083 2000-04-19 Jim Blandy <jimb@redhat.com>
3085 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
3086 of PTR_SIZE, when appropriate.
3088 2000-04-19 Mark Mitchell <mark@codesourcery.com>
3090 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
3091 (USE_ENUM_BITFIELDS): Fix typo.
3093 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3095 * stor-layout.c (place_field): Set rli->offset_align properly.
3097 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
3100 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
3101 PARM_BOUNDARY): Remove unnecessary casts.
3103 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3105 * calls.c (precompute_arguments): Remove must_preallocate and
3107 (expand_call): Update call of precompute_arguments.
3109 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
3110 check_insn_for_givs): Break out from ...
3111 (strength_reduce) ... here; use for_every_insn_in_loop to call
3112 check_insn_for_givs.
3113 * loop.h (for_every_insn_in_loop): Declare.
3114 (loop_insn_callback): New type.
3116 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3118 * cpplib.c (do_pragma_poison): Strings in the token buffer are
3121 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
3123 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
3126 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
3128 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
3130 * configure.in: Delete --disable-cpplib option and all
3131 references to cpp_main.
3132 * configure: Regenerate.
3133 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
3134 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
3135 cccp.o, cccp, or cppmain. Link cppmain.o straight to
3136 cpp$(exeext). Add --no-headers to makeinfo command line when
3137 generating INSTALL. Install and uninstall cpp.1 manpage, not
3139 * install.texi: Delete all references to cexp.y/cexp.c.
3140 Delete ancient instructions for compiling GCC on 3b1.
3141 * INSTALL: Regenerate.
3143 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
3144 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
3145 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
3147 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
3148 which is no longer tested anywhere.
3150 * cppinit.c (handle_option): Don't run error message through
3153 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3155 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
3156 * cpperror.c (hashtab.h): Now include.
3157 * cppexp.c (hashtab.h): Likewise.
3158 * cpplex.c (hashtab.h): Likewise.
3159 * cppfiles.c (hashtab.h): Likewise.
3160 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
3161 to htab_find_slot_with_hash.
3162 * cpphash.c (hashtab.h): Now include.
3163 (_cpp_lookup_slot): INSERT is now enum insert_option.
3164 * cpphash.h (_cpp_lookup_slot): Likewise.
3165 * cppinit.c (hashtab.h): Include earlier.
3166 (initialize_builtins): Pass enum to htab_find_slot.
3167 * cpplib.c (hashtab.h): Now include.
3168 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
3169 (do_pragma_poison, do_assert): Likewise.
3170 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
3171 htab_find_slot_with_hash.
3172 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
3173 * tree.c (type_hash_add): Likewise.
3174 (build1): Minor cleanup.
3176 * ggc-common.c: Add missing blanks.
3177 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
3178 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
3180 * stmt.c (mark_case_node): New function.
3181 (mark_case_nesting): Call it.
3183 * expmed.c (emit_store_flag): If comparing two-word integer
3184 with zero, can optimize NE, EQ, GE, and LT.
3186 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
3187 * conflict.c: Minor cleanups.
3188 * optabs.c: Add blank line
3189 * simplify-rtx.c: Minor cleanups.
3191 2000-04-18 Stan Cox <scox@cygnus.com>
3193 * gengenrtl.c (genlegend): Fix misspelling.
3195 2000-04-18 Robert Lipe <robertlipe@usa.net>
3197 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
3198 bitfields of the host compiler are not signed quantities.
3199 * config.in: Regenerate.
3200 * configure: Regenerate.
3201 * system.h (USE_ENUM_BITFIELDS): Added.
3202 (ENUM_BITFIELDS): Added.
3203 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
3204 (SHORT_ENUM_BUG): Deleted.
3205 * tree.h (tree_common): Members `code', `mode', `built_in_class',
3207 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
3208 (CODE_FIELD_BUG): Likewise.
3209 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
3211 * config/m68k/x-ccur (X_CFLAGS): Likewise.
3213 2000-04-18 Mark Mitchell <mark@codesourcery.com>
3215 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
3218 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3220 * cppexp.c (lex): Don't assume tokens are NUL terminated.
3221 * cpplib.c (do_include, do_import, do_include_next,
3222 read_line_number, detect_if_not_defined): Likewise.
3223 * cpphash.c (collect_expansion): Likewise.
3224 (special_symbol, _cpp_macroexpand): Check return from
3226 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
3227 macros. Delete all uses.
3229 * gcc.dg/cpp-mi.c: Add two more test cases.
3230 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
3232 2000-04-17 Richard Henderson <rth@cygnus.com>
3234 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
3235 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
3237 2000-04-17 Mark Mitchell <mark@codesourcery.com>
3239 * function.c (expand_function_start): Use hard_function_value to
3240 compute the RTL to use for DECL_RESULT.
3242 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3244 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
3245 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3246 x86_memory_mismatch_stall): New global variables.
3247 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
3248 alloved; fix load penalties for Athlon.
3249 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
3250 x86_memory_mismatch_stall): Declare.
3251 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
3252 TARGET_MEMORY_MISMATCH_STALL): New.
3253 * i386.md (athlon scheduling parameters): Fix latencies according to
3254 Athlon Optimization Manual.
3255 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
3257 (fsqrt instruction patterns): Set athlon_decode to direct.
3258 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
3259 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
3260 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
3261 and TARGET_PARTIAL_REGISTER_STALL machines.
3262 (pushdf_nointeger): New pattern.
3263 (pushdf_integer): Rename from pushdf.
3264 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
3265 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
3267 2000-04-17 Richard Henderson <rth@cygnus.com>
3269 * loop.c (canonicalize_condition): Add WANT_REG argument.
3270 Stop the search if we match it.
3271 * expr.h (canonicalize_condition): Update decl.
3272 * predict.c (expected_value_to_br_prob): Use it. Track last
3273 expected value note.
3274 (find_expected_value): Remove.
3276 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
3278 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3280 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
3281 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
3283 * configure.in: Call AC_FUNC_MMAP_FILE.
3284 * configure: Regenerate.
3285 * config.in: Regenerate.
3287 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
3288 * fixinc/fixincl.c: Likewise.
3290 2000-04-17 Richard Henderson <rth@cygnus.com>
3292 * builtins.c (expand_builtin_expect): New.
3293 (expand_builtin): Call it.
3294 * builtins.def (BUILT_IN_EXPECT): New.
3295 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
3296 * extend.texi: Document it.
3298 * predict.c (expected_value_to_br_prob): New.
3299 (find_expected_value): New.
3300 * basic-block.h (expected_value_to_br_prob): Declare.
3301 * toplev.c (rest_of_compilation): Invoke it.
3303 * rtl.h (NOTE_EXPECTED_VALUE): New.
3304 (NOTE_INSN_EXPECTED_VALUE): New.
3305 * rtl.c (note_insn_name): Update.
3306 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
3307 cases; handle NOTE_INSN_EXPECTED_VALUE.
3309 2000-04-17 Jakub Jelinek <jakub@redhat.com>
3311 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
3312 leaf sibcall delay slot if flag_pic.
3313 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
3315 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3317 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
3319 * fixproto: If fix-header fails, exit with an error.
3321 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3323 * cse.c (struct check_depdendence_data): New.
3324 (check_dependence): New function.
3325 (invalidate): Use check_depdenence.
3327 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3329 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
3330 UNITS_PER_WORD is unsigned.
3332 * tree.h (struct tree_common): Remove misleading comment.
3334 2000-04-16 Dave Pitts <dpitts@cozx.com>
3336 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
3337 message in quotes. Otherwise, IBM's make program treats the '#' as the
3338 start of a comment and ignores the remainder of the line.
3340 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
3342 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
3343 * cexp.y (initialize_random_junk): Likewise.
3344 * cppfiles.c (find_include_file): Cast alloca return value.
3345 * cppinit.c (initialize_standard_includes): Likewise.
3346 * cpplib.c (cpp_define, cpp_undef): Likewise.
3347 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
3348 * final.c (output_asm_insn): Allow for holes in EBCDIC.
3349 * fold-const.c (CHARMASK): New.
3350 (real_hex_to_f): Use it.
3351 * real.c (CHARMASK): New.
3352 (etoasc, asctoeg): Use it.
3353 (asctoeg): EBCDIC lower case characters preceed upper case.
3355 * i370.c (mvs_add_label): Change spacing for coding conventions.
3356 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
3357 outputing case vectors.
3358 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
3359 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
3360 since vector in in the data CSECT.
3361 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
3362 * i370.md (Many patterns): Put the length in the XL directives.
3363 (movdi): Put back STM and MVC in definition.
3364 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
3365 pattern using the TCA.
3366 * oe.h (CPP_SPEC): Added to allow trigraphs.
3367 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
3368 not support the "long long" type.
3370 2000-04-16 Mark Mitchell <mark@codesourcery.com>
3372 * config/mips/mips-protos.h (mips_legitimate_address_p): New
3374 (mips_reg_mode_ok_for_base_p): Likewise.
3375 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
3376 (REG_OK_FOR_INDEX_P): Define unconditionally.
3377 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
3378 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
3379 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
3380 that GET_MODE_SIZE is unsigned.
3381 (mips_reg_mode_ok_for_base_p): Define.
3382 (mips_legitimate_address_p): Likewise. Adjust now
3383 that GET_MODE_SIZE is unsigned.
3384 (block_move_loop): Make the number of bytes unsigned.
3385 (expand_block_move): Likewise.
3386 (function_arg): Make the loop counter unsigned to match the
3389 2000-04-16 Richard Henderson <rth@cygnus.com>
3391 * rtl.h (enum insn_note): New enumeration. Subsume
3392 NOTE_INSN_DELETED and friends.
3393 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
3394 * rtl.c (note_insn_name): Tweak string order.
3396 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
3398 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
3401 * cpplex.c (output_line_command): Remove debugging prints.
3402 (cpp_output_tokens): Don't write out a zero-length buffer or
3403 try to see if it has a newline in it.
3404 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
3405 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
3406 the end of the loop. Use memmove. Don't read past the end of
3407 the buffer. Remove trailing newlines from error messages.
3409 2004-04-16 Neil Booth <NeilB@earthling.net>
3411 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
3412 * cpplib.c: Add new syntax flags to directive table, and
3415 2000-04-15 Ulrich Drepper <drepper@redhat.com>
3417 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
3420 2000-04-15 David Edelsohn <edelsohn@gnu.org>
3422 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
3423 * haifa-sched.c: Update -fsched-verbose comments to use "=".
3425 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3427 * Makefile.in (ggc-page.o): Now includes toplev.h.
3428 * ggc-page.c (toplev.h): Now included.
3429 (gc_time): Remove declaration.
3430 (ggc_collect): TIME now long.
3431 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
3433 * toplev.h (gc_time, parse_time, gc_time): New declarations.
3435 * toplev.c: Make *_time variable long to reduce chance of overflow.
3436 (TIMEVAR): Likewise for `otime'.
3437 (print_time): Arg is now long; compute percentage in FP and round.
3438 * toplev.h (print_time): Arg is long.
3440 * tree.c: Minor whitespace changes.
3442 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
3443 * configure: Rebuilt.
3444 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
3445 (__fixunsxfDI): Renamed from __fixunsxfdi.
3446 (__fixunsdfDI): Renamed from __fixunsdfdi.
3447 (__fixunssfDI): Renamed from __fixunssfdi.
3448 (__floatdisf): Use proper type in REP_BIT macro.
3449 (__fixunsxfSI): Renamed from __fixunsxfsi.
3450 (__fixunsdfSI): Renamed from __fixunsdfsi.
3451 (__fixunssfSI): Renamed from __fixunssfsi.
3452 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
3453 Change location of macros and upper-case some names as above.
3454 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
3455 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
3457 * varasm.c (assemble_variable): Add cast to remove warning.
3458 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
3460 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
3461 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
3462 region number to -1.
3464 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
3466 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
3467 call unshare_all_rtl.
3469 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
3471 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
3473 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
3474 Use .s1 not .s0 for all FP instructions.
3476 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
3478 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
3480 (safe_fwrite, output_line_command): New static functions.
3481 (cpp_expand_to_buffer): Now private to cpplib.
3482 (cpp_scan_buffer): Take a printer.
3484 * cpphash.h: Update prototypes.
3485 * cpplib.h: Update prototypes.
3487 (cpp_buffer): Remove last_nominal_fname.
3488 (cpp_reader): Remove lineno.
3490 * cppmain.c: Use a cpp_printer.
3491 * fix-header.c: No need to inhibit line commands. Call
3492 cpp_start_read with no printer.
3494 * cpperror.c (cpp_notice_from_errno): Provide default name.
3495 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
3496 (find_include_file, cpp_read_file): Use make_IHASH.
3497 (file_cleanup): Set control_macro and clear
3498 input_stack_listing_current here.
3499 (_cpp_execute_include): Don't output entering-file marker.
3500 * cpphash.c (special_symbol): Look for the line number in the
3501 buffer, not the reader.
3502 (_cpp_macroexpand): No need to disable line commands.
3503 (_cpp_dump_definition): No need to generate line commands.
3504 (dump_hash_helper): Remove excess newline from output.
3505 * cppinit.c (dump_special_to_buffer): No need to generate line
3507 (cpp_printer_init): New.
3508 (cpp_start_read): Take a printer, and start it up if it's not
3509 NULL. No need to generate line commands.
3510 (cpp_finish): Expect no buffers stacked at all. Take a
3511 printer argument, and flush the output buffer if it's not
3513 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
3514 Don't put two hashes at the beginning of an assertion.
3515 (cpp_get_token): Don't increment pfile->lineno or emit line
3516 commands here. Return EOF if there's no buffer when we get
3518 * cpplib.c (do_define, skip_if_group):
3519 No need to disable line commands.
3520 (_cpp_output_line_command): Delete function.
3521 (do_line): Don't emit line commands here, but set things up so
3522 they will be emitted if necessary. Use _cpp_fake_ihash to
3523 make unique nominal_fnames if necessary.
3524 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
3525 with 0 for column, not -1.
3526 (_cpp_handle_eof): Don't set the control macro here. Don't
3527 clear input_stack_listing_current here. Don't emit line
3530 2000-04-14 Geoff Keating <geoffk@cygnus.com>
3532 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
3533 always, use the default SVR4 start address.
3535 * config/rs6000/linux.h (LINK_SPEC): Don't define.
3536 (LINK_SHLIB_SPEC): Define.
3537 (LINK_START_DEFAULT_SPEC): Define.
3538 (LINK_OS_DEFAULT_SPEC): Define.
3540 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
3542 * config/rs6000/eabi.asm (__eabi): Call __init rather than
3543 __do_global_ctors to handle constructors.
3544 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
3545 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
3546 (STARTFILE_MVME_SPEC): Likewise.
3547 (STARTFILE_SIM_SPEC): Likewise.
3548 (ENDFILE_ADS_SPEC): Use crtend.
3549 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
3550 (ENDFILE_MVME_SPEC): Likewise.
3551 (ENDFILE_SIM_SPEC): Likewise.
3552 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
3553 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
3554 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
3555 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
3556 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
3557 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
3558 (CRTSTUFF_T_CFLAGS_S): Define.
3559 * config/rs6000/eabi-ctors.c: Delete.
3561 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
3564 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
3568 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
3570 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
3571 plus mask size is smaller or equal to the mode size.
3573 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3575 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
3578 * expr.c (reload.h): Now included.
3579 (emit_block_move): Set volatile_ok when checking for movstr.
3580 (emit_move_1): Check for replacements in addresses in multi-word case.
3581 * Makefile.in (expr.o): Now includes reload.h.
3583 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
3584 Never have a LIBCALL end a basic block.
3585 (find_basic_blocks_1): Likewise.
3586 Reorganize CALL_INSN cases.
3588 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
3590 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
3592 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
3593 completers from mov.ret instruction.
3595 2000-04-14 Richard Henderson <rth@cygnus.com>
3597 * fold-const.c (extract_muldiv): Don't distribute and widen
3598 multiply across plus for non-sizetype unsigned types.
3600 2000-04-14 Richard Henderson <rth@cygnus.com>
3602 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
3603 If the original source is dead in the incr insn, it's dead now.
3605 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3607 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
3608 see if DECL_BIT_FIELD needs to still be set.
3610 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
3612 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
3613 print_int_cst_octal with something that's not an INTEGER_CST.
3615 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
3616 and not a SUBREG to a FLOAT rtl.
3618 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
3620 * emit-rtl.c (try_split): Avoid infinite loop if the split
3621 results in a sequence that contains the original insn.
3623 2000-04-13 Andreas Jaeger <aj@suse.de>
3625 * config/mips/mips.c (expand_block_move): Pass alignment
3626 argument to move_by_pieces in bits, not bytes.
3628 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
3629 __pic__ for little endian.
3631 2000-04-13 Andreas Jaeger <aj@suse.de>
3633 * config/i386/i386-protos.h: Add prototype for
3634 uno_comparison_operator.
3636 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3638 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
3639 * calls.c (ECF_PURE): New flag.
3640 (emit_call_1): Handle ECF_PURE calls.
3641 (initialize_argument_information): Unset ECF_PURE flag too.
3642 (precompute_arguments): Precompute for ECF_PURE too.
3643 (expand_call): Handle ECF_PURE calls too.
3644 (emit_library_call_value_1): Rename no_queue argument to fn_type,
3645 accept value of 2 as pure function.
3646 (emit_library_call_value, emit_library_call): Rename no_queue argument
3648 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
3650 * tree.h (DECL_IS_PURE): New macro.
3651 (struct tree_decl): Add pure_flag.
3652 * c-common.c (enum attrs): Add attribute "pure".
3653 (init_attributes): Initialize attribute "pure"
3654 (decl_attributes): Handle attribute "pure".
3655 * extend.texi (Attribute "pure"): Document.
3656 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
3658 (flags_from_decl_or_type): Support attribute "pure".
3660 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
3662 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
3663 the token except for numbers and identifiers.
3665 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
3667 * i386.c (ix86_expand_binary_operator,
3668 ix86_expand_unary_operator): Check no_new_pseudos
3669 instead of reload_in_progress and reload_completed.
3670 (ix86_split_ashldi, ix86_split_ashrdi,
3671 ix86_split_lshrdi): Check no_new_pseudos instead
3672 of reload_completed.
3674 2000-04-12 Jeffrey A Law (law@cygnus.com)
3676 * function.c (purge_addressof): Unshare any shared rtl created by
3677 purge_addressof and its children.
3679 2000-04-12 Mark Mitchell <mark@codesourcery.com>
3681 * function.c (aggregate_value_p): VOID_TYPE nodes are never
3684 2000-04-05 Andreas Jaeger <aj@suse.de>
3686 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
3687 not compiling PIC code, add flags for mabi=64.
3688 (SUBTARGET_CPP_SIZE_SPEC): New.
3689 (SUBTARGET_CPP_SPEC): New.
3690 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
3691 for MIPS/Linux and lots of code needs these defines.
3693 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
3695 * reorg.c (fill_slots_from_thread): Check side_effects_p when
3696 trying the "opposite arithmetic" approach.
3698 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3700 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
3701 (struct sh_args): Add new field force_mem.
3702 (INIT_CUMULATIVE_ARGS): Initialize it.
3703 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
3705 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3707 * calls.c (expand_call): Do not reverse args in "equal from" field.
3708 (emit_library_call_value_1): Emit_libcall_block for const and pure
3711 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3713 * reload1.c (reload_combine): Don't enable optimization for fixed
3714 registers when encountering a BARRIER.
3716 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3718 * builtins.c (expand_builtin_memcmp): Do expansion even with
3719 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
3721 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
3722 stack is propertly aligned; add sanity checking for aligned
3724 (expand_library_call_value_1): Add sanity checking for aligned
3727 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
3729 * calls.c (emit_library_call_value_1): Change 3rd arg to
3730 locate_and_pad_parm to disregard the setting of partial.
3732 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3734 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
3736 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
3737 CALL_INSN from the normal case.
3739 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
3741 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3742 New global variables.
3743 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
3745 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
3747 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
3748 TARGET_ADD_ESP_8): New macros.
3749 * i386.md: Add peep2s to convert esp adjustments to push and pop
3751 (pushsi_prologue, popsi_epilogue): New patterns.
3753 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3755 * real.c (toe64): Remove stale #endif from the last change.
3757 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
3759 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
3760 * real.c (toe64): Revert previous change.
3762 2000-04-12 Jakub Jelinek <jakub@redhat.com>
3764 * objc/objc-act.c: Include ggc.h.
3765 (objc_tree_index, objc_global_trees): Convert most of the
3766 static tree variables into a static array with previous names
3768 (objc_ellipsis_node): New variable.
3769 (lang_init): Call objc_act_parse_init and c_parse_init.
3770 Create objc_ellipsis_node.
3771 (build_selector_translation_table): Use objc_ellipsis_node instead
3773 (hack_method_prototype): Likewise.
3774 (get_arg_type_list): Likewise.
3775 (start_method_def): Likewise.
3776 (continue_method_def): Likewise.
3777 (gen_method_decl): Likewise.
3778 (ggc_mark_imp_list): New function.
3779 (ggc_mark_hash_table): New function.
3780 (objc_act_parse_init): New function.
3781 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
3782 * c-parse.in (c_parse_init): For objc add roots of objc specific
3783 local tree variables.
3784 * objc/objc-parse.y: Rebuilt.
3785 * objc/objc-parse.c: Rebuilt.
3786 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
3788 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
3790 * cse.c (delete_trivially_dead_insns): Also delete insns
3791 that copy a register to itself where the destination is
3794 2000-04-11 Richard Henderson <rth@cygnus.com>
3796 * flow.c (struct propagate_block_info): Add new_dead, new_live.
3797 (propagate_block): Initialize them. Use them in parallel instead
3798 of one tmp variable, ie revert much of the 0408 and 0407 functional
3799 changes, but keep the structural changes.
3800 (mark_set_regs): Take new_dead from propagate_block_info instead.
3801 (mark_set_1, mark_set_reg): Likewise.
3802 (mark_used_regs): Likewise with new_live.
3803 (mark_used_reg): Likewise. Revert 0408 change.
3805 2000-04-11 Nick Clifton <nickc@cygnus.com>
3807 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
3809 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
3811 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3813 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
3814 const section to output a CONSTRUCTOR based on the same conditions
3817 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
3819 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
3820 * pa/pa-protos.h (output_call): Add additional argument indicating
3821 if the call is a sibling/tail call.
3822 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
3823 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
3824 (function_arg, function_arg_partial_nregs): Likewise
3825 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
3826 (emit_move_sequence): Zero extend certain constants as needed
3828 (compute_zdepdi_operands, output_64bit_and): New functions.
3829 (output_64bit_ior, function_arg): Likewise.
3830 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
3831 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
3832 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
3833 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
3834 (output_bvb): Likewise.
3835 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
3836 (output_call): New argument 'sibcall'. Generate sibcall sequences
3838 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
3839 (ouput_arg_descriptor): Do not emit argument descriptors for
3841 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
3843 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
3844 (FUNCTION_OK_FOR_SIBALL): Define.
3845 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
3846 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
3847 (CPP_SPEC): Use new spec infrastructure.
3848 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
3849 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
3850 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
3851 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
3852 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
3853 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
3854 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3855 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
3856 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
3857 (FUNCTION_ARG); Call out to C code.
3858 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
3859 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
3860 (MIN_UNITS_PER_WORD): Likewise.
3861 * pa/pa.md (cmpdi): New expander.
3862 (scc patterns, movstrsi): Not available for TARGET_64BIT.
3863 (64bit conditional arithmetic): New patterns.
3864 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
3865 (movsicc): Not available if modes on all the operands to not match.
3866 (movdicc): New expander and associated patterns.
3867 (64bit branches): New patterns.
3868 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
3869 (pre_ldd, post_std): New patterns.
3870 (64bit addil, load low part): New patterns.
3871 (special movsf constant): Not available for TARGET_64BIT.
3872 (movsf, movdf expanders): Force constants into memory.
3873 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
3874 (64bit movdf/movdi patterns): New patterns.
3875 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
3877 (extendqidi2, extendhidi2, extendsidi2): Similarly.
3878 (adddi3 expander): Allow "arith_operand" for second input.
3879 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
3880 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
3881 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
3882 (muldi3): New expander for TARGET_64BIT.
3883 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
3885 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
3886 patterns for TARGET_64BIT.
3887 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
3888 patterns for TARGET_64BIT.
3889 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
3890 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
3891 (sibcall_epilogue): New expander.
3892 (casesi): Tweak for TARGET_64BIT.
3893 (call expanders): Set & use the outgoing argument pointer. Use the
3894 64bit call patterns as needed. Add additional arg to output_call.
3895 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
3896 (sibcall, sibcall_internal_symref): New expanders.
3897 (sibcall_value, sibcall_value_internal_symref
3898 (interspace_jump): Turn into an expander + matching patterns.
3899 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
3900 * pa/pa64-regs.h: Eliminate trigraph sequences.
3901 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
3903 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
3905 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
3906 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
3907 cpp_token with cpp_ttype everywhere.
3908 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
3909 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
3910 CPP_BUF_COL. Line and column numbers are unsigned int, not
3912 * cpplex.c (cpp_buf_line_and_col): Delete.
3913 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
3914 'long lineno' to 'unsigned int lineno'.
3915 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
3917 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3919 * extend.texi: ISO C99 is not a draft anymore.
3920 * invoke.texi: ISO C++ is not a draft anymore.
3921 * cpp.texi: __cplusplus is required by the ISO standard.
3923 * extend.texi (-fthis-is-variable): Undocument.
3924 * flags.h (warn_template_debugging): Remove declaration.
3925 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
3926 -Wenum-clash, -Wtemplate-debugging): Undocument.
3928 2000-04-10 Nick Clifton <nickc@cygnus.com>
3930 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
3932 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
3934 (ARM_SIGN_EXTEND): Use HOST_UINT.
3935 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
3936 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
3937 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
3938 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
3940 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
3941 (arm_gen_constant): Use HOST_UINT.
3942 (arm_canonicalize_constant): Use HOST_UINT.
3943 (arm_reload_in_hi): Use HOST_UINT.
3944 (arm_reload_out_hi): Use HOST_UINT.
3945 (output_multi_immediate): Use HOST_UINT.
3946 (int_log2): Use HOST_UINT.
3947 (arm_poke_function_name): Use HOST_UINT.
3948 (arm_output_epilogue): Use arm_volatile_func().
3949 (output_thumb_prologue): Use arm_strip_name_encoding().
3951 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3953 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
3954 of sequence point problems.
3956 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
3958 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
3960 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
3962 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3964 * sbitmap.h: Whitespace changes and use upper-case macro args.
3965 (struct simple_bitmap_def): All sizes now unsigned.
3966 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
3967 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
3968 (sbitmap_vector_alloc): Parms and local vars now unsigned.
3969 (sbitmap_zero): Cast bzero arg to PTR.
3970 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
3971 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
3972 loop to make structure clearer.
3973 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
3974 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
3975 (sbitmap_a_and_b_or_c): Likewise.
3976 (sbitmap_intersection_of_succs): Minor cleanups.
3977 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
3978 (sbitmap_union_of_preds): Likewise.
3979 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
3980 (debug_sbitmap): New function.
3982 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
3983 * c-typeck.c (convert_for_assignment): Likewise.
3985 * expmed.c (init_expmed): Don't free objects we make.
3986 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
3988 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
3989 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
3991 * gcse.c (expr_hash_table_size): Now unsigned.
3992 (compute_ae_gen): Local variable `i' now unsigned.
3993 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
3994 (compute_transout, hoist_code): Likewise.
3995 (compute_local_properties): Likewise, also hash_table_size.
3996 (alloc_expr_hash_table): N_INSNS now unsigned.
3997 (delete_null_pointer_checks): Mark arg F as unused.
3999 * regrename.c: Minor cleanups, including chang some variables
4002 2000-04-10 Neil Booth <NeilB@earthling.net>
4004 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
4006 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
4008 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4010 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4011 __classof__, and __headof__ from the list of gnu keywords.
4012 (-ansi): Remove -foperator-names from list of implied options.
4013 Do not call it ANSI C++.
4014 (-foperator-names): Document as -fno-operator-names.
4016 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
4018 * cpphash.c (timestamp): Delete.
4019 (del_HASHNODE): If type is T_MCONST, free value.cpval.
4020 (special_symbol): Remove unnecessary braces. Remove
4021 T_VERSION. Treat T_STDC like T_CONST unless
4022 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
4023 when one is encountered, then convert them into T_MCONST
4025 * cppinit.c (builtin_array): version_string is T_MCONST.
4026 __STDC__ has a "1" in its cpval. Don't have a terminator
4027 entry. Clean up which entries are dumped.
4028 (initialize_builtins): Only __STDC__ gets the special
4029 -traditional treatment. Count the length of builtin_array.
4030 Render version_string here.
4031 * cpphash.h: Remove T_VERSION. Add T_MCONST.
4032 * cpplib.h (struct cpp_reader): Remove timebuf.
4034 2000-04-09 Richard Henderson <rth@cygnus.com>
4036 * genrecog.c (pred): Update comparison_operator for the unordered
4039 * config/i386/i386.c (no_comparison_operator): Disallow unordered
4041 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
4042 (uno_comparison_operator): New.
4043 (put_condition_code): Handle UNORDERED/ORDERED.
4044 (unsigned_comparison): Likewise.
4045 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
4046 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
4047 (ix86_expand_fp_compare): Use them. Take scratch as argument,
4048 update all callers. Handle all 8 unordered operators.
4049 (ix86_expand_setcc): Lose the unordered argument, update all callers.
4050 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
4051 * config/i386/i386.h (PREDICATE_CODES): Update.
4052 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
4053 (ix86_expand_branch, ix86_expand_setcc): Update.
4054 * config/i386/i386.md (sunordered, sordered): New.
4055 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
4056 (bunordered, bordered): New.
4057 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
4058 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
4059 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
4061 2000-04-09 Philip Blundell <philb@gnu.org>
4063 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
4065 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
4067 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
4068 fix_truncxfhi2): New patterns.
4069 * i386.c (output_fix_trunc): Handle converting to HImode.
4071 2000-04-08 Alex Samuel <samuel@codesourcery.com>
4073 * ssa.c (convert_to_ssa): Eliminate dead code when calling
4075 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
4076 (for_each_successor_phi): Change parameter to basic_block.
4077 (coalesce_regs_in_successor_phi_nodes): Likewise.
4078 (coalesce_regs_in_copies): Likewise.
4079 (compute_coalesced_reg_partition): Use basic_block instead of index.
4080 * rtl.h (convert_to_ssa): Delete.
4081 (convert_from_ssa): Likewise.
4082 (successor_phi_fn): Likewise.
4083 (for_each_successor_phi): Likewise.
4084 (in_ssa_form): Likewise.
4085 * basic-block.h (convert_to_ssa): Moved from rtl.h.
4086 (convert_from_ssa): Likewise.
4087 (successor_phi_fn): Likewise.
4088 (in_ssa_form): Likewise.
4089 (for_each_successor_phi): Likewise. Change parameter to basic_block.
4090 * flow.c (calculate_global_regs_live): Pass a basic_block to
4091 for_each_successor_phi.
4093 2000-04-08 Richard Henderson <rth@cygnus.com>
4095 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
4096 was modified in the current insn.
4098 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4100 * arm/thumb.md: Delete.
4101 * arm/thumb-protos.h: Delete.
4103 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4105 Merge changes from merged-arm-thumb-backend-branch onto trunk.
4107 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
4109 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
4112 * arm.md (nop): Use the standard RTL expression. Don't code as a
4114 (*arm_nop, *thumb_nop): Delete.
4116 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
4117 constants. Use casts instead.
4118 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
4119 output_multi_immediate, arm_poke_function_name): Likewise.
4120 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
4121 MASK_RETURN_ADDDR): Likewise.
4123 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
4125 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
4128 * arm.md (eh_epilogue): New function.
4129 * arm.h (struct machine_function): Move to here ...
4130 * arm.c: ... from here.
4131 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
4132 (thumb_exit): Extra parameter eh_ofs. All callers changed.
4133 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
4135 2000-03-30 Nick Clifton <nickc@cygnus.com>
4137 * config/arm/semi.h (ASM_SPEC): Restore definition.
4138 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4140 * config/arm/elf.h (ASM_SPEC): Restore definition.
4141 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
4143 * config/arm/arm.h (ASM_SPEC): Remove definition.
4144 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
4146 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4148 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
4150 2000-03-24 Nick Clifton <nickc@cygnus.com>
4152 Various formating tidyups, elimination of compile time
4153 warnings and synchronisation with internal sources:
4155 * config/arm/arm-protos.h (assemble_align): Add prototype.
4156 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4157 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4158 (arm_return_addr_rtx): Rename to arm_return_addr.
4160 * config/arm/arm.c: Include except.h.
4161 Define shorter typenames for strict minipool_node and struct
4163 (arm_return_in_memory): For WinCE return all structures <= 32 bits
4165 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
4166 (gen_comapre_reg): Rename to arm_gen_compare_reg.
4168 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4170 (ASM_SPEC): Define if not already defined.
4171 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
4173 * config/arm/arm.md: Rename references to gen_rotated_half_load to
4174 arm_gen_rotated_half_load, and references to gen_comapre_reg to
4175 arm_gen_compare_reg.
4176 (indirect_jump): Only accept register operands.
4177 (load_indirect_jump): Keep this pattern since combine can generate
4180 * config/arm/coff.h: Include aout.h.
4181 (MULTILIB_DEFAULTS): Only define if not already defined.
4183 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
4184 into arm.h (so that COFF ports can support thumb based aliases).
4185 (ASM_SPEC): Move definition into arm.h
4187 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
4188 redundant apcs spec.
4189 (ASM_SPEC): Move definition to arm.h
4191 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
4193 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
4194 for entries in the .bss section
4196 2000-03-23 Nick Clifton <nickc@cygnus.com>
4198 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
4199 to thumb_far_jump_used_p.
4201 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
4202 single integer parameter.
4204 * config/arm/arm.c (struct machine_function): Add two new
4205 fields, 'far_jump_used' and 'arg_pointer_live'.
4206 (thumb_far_jump_used_p): Once the decision has been made that
4207 far jumps might be used, always return true.
4208 If being called from the initial elimination offset macro then
4209 do not bother to perform the test if the arg pointer is not
4211 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
4212 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
4214 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
4216 * arm.c (output_return_instruction): Handle more cases where we can
4217 return from a function with an ldr instruction.
4218 (arm_output_epilogue): Likewise.
4220 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
4221 if we need to push a large stack frame and there are no callee-saved
4224 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
4225 in ARM code if the frame pointer has been eliminated.
4227 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
4228 unspec_volatile arguments to avoid duplicates.
4229 (consttable_1, consttable_2): Fixes for big-endian mode.
4231 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
4234 Re-write constant pool code.
4235 * arm.c (minipool_node, minipool_fix): New types.
4236 (minifix): Delete type.
4237 (arm_add_minipool_constant): Delete.
4238 (arm_compute_minipool_offsets, arm_find_barrier,
4239 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
4240 (get_jump_table_size): Now returns HOST_WIDE_INT.
4241 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
4243 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
4244 (assign_minipool_offsets, arm_print_value): Likewise.
4245 (dump_minipool): Rewrite.
4246 (arm_barrier_cost): New function.
4247 (create_fix_barrier): New function.
4248 (push_minipool_barrier): New function.
4249 (push_minipool_fix): Record additional information about the fixup
4251 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
4252 check the mode of what needs fixing.
4253 (arm_reorg): Rewrite.
4255 2000-03-08 Nick Clifton <nickc@cygnus.com>
4257 * config/arm/arm.md (indirect_jump): Force constant addresses into
4260 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
4262 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
4264 2000-02-24 Nick Clifton <nickc@cygnus.com>
4266 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
4267 adjust is word aligned.
4268 (thumb_expand_epilogue): Make sure that stack adjust is word
4271 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
4273 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
4275 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
4276 pointer relative addresses.
4278 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
4280 * arm.c (find_barrier): Find the last barrier within the allowed
4283 2000-02-09 Nick Clifton <nickc@cygnus.com>
4285 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
4287 2000-02-09 Nick Clifton <nickc@cygnus.com>
4289 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
4290 ARM_FUNCTION_PROFILER.
4292 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
4293 ARM_FUNCTION_PROFILER.
4295 * config/arm/linux-oldld.h: Imported from mainline sources.
4297 2000-02-07 Nick Clifton <nickc@cygnus.com>
4299 * config/arm/lib1funcs.asm: Merge in thumb functions from
4302 * config/arm/lib1thumb.asm: Delete.
4304 2000-02-04 Nick Clifton <nickc@cygnus.com>
4306 * config/arm/arm.c: Sychronised with current Red hat local
4308 * config/arm/arm.h: Ditto.
4309 * config/arm/arm-protos.h: Ditto.
4311 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
4313 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
4315 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
4318 2000-02-02 Nick Clifton <nickc@cygnus.com>
4320 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
4322 * config/arm/arm.md (epilogue): Fix rtl checking abort because
4323 (return) was emited using an emit_insn() call.
4325 2000-01-31 Nick Clifton <nickc@cygnus.com>
4327 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
4329 (thumb_exit): Move frame pointer back into hard frame pointer
4330 register if backtracing is being used.
4332 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
4334 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
4337 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
4339 * config/arm/arm.md (neg_pool_offset): Provide default for new
4341 (arm_movsi_insn): Add neg_pool_offset attribute.
4342 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
4343 rtx for the insn that starts the scan and an unsigned long for its
4344 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
4345 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
4346 instructions in *PINSERTED.
4347 (struct minipool_fixup): Add MIN_ADDRESS elt.
4348 (sort_fixups): Compute it.
4349 (arm_reorg): Changes to support inserting pools before the insn to be
4352 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
4354 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
4355 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
4356 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
4358 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
4360 * config/arm/semi.h (TARGET_VERSION): Do not define if already
4362 (TARGET_DEFAULT): Do not define if already defined.
4364 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
4366 * config/arm/arm.md (anddi3): Allow disjoint source operands.
4367 (iordi3): Allow disjoint source operands.
4368 (xordi3): Allow disjoint source operands.
4369 (negdi2): Permit construction for ARM and Thumb.
4370 (arm_negdi2): Renamed version of old negdi2 pattern.
4371 (thumb_negdi2): New pattern: Only permit non-overlapping
4372 source and destination.
4374 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
4376 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
4377 scratch low register so that it will not be deleted.
4379 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
4381 * config/arm/pe.h (ARM_PE): Define.
4383 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
4384 interfacearm attribute if this is a PE toolchain.
4385 (output_return_instruction): Do not emit anything if the function
4386 has the naked attribute set.
4387 (is_called_in_ARM_mode): If the function has the interfacearm
4388 attribute then return true.
4389 (thumb_expand_prologue): Do not generate a prologue for naked
4391 (thumb_expand_epilogue): Do not generate an epilogie for a naked
4393 (output_thumb_prologue): Do not bother if the function is naked.
4394 Strip PE encoding from function name before emitting.
4396 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
4398 * arm.md (pic_load_addr): Fix constraints.
4400 * arm.md (casesi_insn): Fix mis-applied patch.
4402 * arm.md ("core" function unit): Add rules for single- and
4404 (All TARGET_THUMB patterns): Add "type" attribute information
4406 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
4407 the following insn is a CALL.
4409 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
4411 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
4412 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
4413 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
4415 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
4417 * config/arm/linux-gas.h: oops - this file was missed out when the
4418 branch was created...
4420 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
4422 * thumb.c: Deleted. Move contents to ...
4424 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
4426 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
4429 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
4430 declare a prototype for asm_output_align();
4432 * arm.c (thumb_condition_code): Delete.
4433 (arm_print_operand): Always use arm_condition_code array.
4435 * arm.c (thumb_return_addr_rtx): Delete.
4436 (arm_save_machine_status, arm_restore_machine_status): Delete.
4437 (arm_init_machine_status, arm_mark_machine_status): New functions.
4438 (arm_init_expanders): Update accordingly.
4439 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
4440 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
4441 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
4443 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
4445 * configure.in : Fix arm-*-aout target to use new t-arm-aout
4447 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
4450 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
4452 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
4453 stack backtrace structure.
4455 * config/arm/arm-protos.h: Add prototypes for functions defined in
4458 * config/arm/arm.c (arm_override_options): Fix selection of
4459 attributes of default processor.
4461 * config/arm/coff.h: Delete needless #include.
4463 * config/arm/pe.c: Delete unused code.
4465 * config/arm/pe.h (CPP_DEFINES): Delete
4466 (SUBTARGET_CPP_SPEC): Define.
4467 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
4469 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
4471 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
4473 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
4475 (CAN_DEBUG_WITHOUT_FP): Define.
4476 (FIXED_REGISTERS): Make r11 call-saved.
4477 (CALL_USED_REGISTERS): Likewise.
4478 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
4479 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
4480 frame-pointer is required.
4481 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
4482 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
4483 if the target normally needs a stack frame in non-leaf functions.
4484 (use_return_insn): Correct logic for determining when a return
4485 instruction can be used.
4486 (output_return_instruction): Handle the frame-pointer register as
4487 a normal register when not TARGET_APCS_FRAME.
4488 (arm_output_prologue): Likewise.
4489 (arm_output_epilogue): Likewise.
4490 (output_func_epilogue): Likewise.
4491 (arm_expand_prologue): Likewise.
4492 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
4494 * arm.c (use_return_insn): No need to check floating point regs if
4496 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
4497 the code of value stored in the minipool array.
4498 (arm_add_minipool_constant): Likewise.
4500 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4502 * basic-block.h (conflict_graph_enum_fn): K&R fix.
4504 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4506 * tree.c (tree_expr_nonnegative_p): New function.
4508 * tree.h (tree_expr_nonnegative_p): Declare.
4510 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
4511 elide some sign_compare warnings.
4512 (build_conditional_expr): Likewise.
4514 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
4516 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
4518 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
4519 * i386.c (print_operand): Use the proper suffix for a 387 HImode
4520 operand. Abort if a 387 operand has an unsupported size.
4522 2000-04-08 Neil Booth <NeilB@earthling.net>
4524 * cppexp.c (parse_charconst): Null does not end character
4526 * cppinit.c (ISTABLE): Null character handled as whitespace.
4527 * cpplex.c (null_warning): new function.
4528 (skip_string): Emit warning if nulls encountered.
4529 (_cpp_skip_hspace): Emit warning if nulls encountered.
4530 (_cpp_lex_token): Emit warning if nulls encountered. Drop
4534 2000-04-07 Richard Henderson <rth@cygnus.com>
4536 * flow.c (loop_depth): Remove.
4537 (reg_next_use, cc0_live, mem_set_list): Replace with ...
4538 (struct propagate_block_info): New.
4539 (life_analysis): Don't allocate reg_next_use.
4540 (propagate_block_delete_insn): Break out of propagate_block.
4541 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
4542 (propagate_block_delete_libcall): Likewise.
4543 (propagate_block): Create a propagate_block_info struct to pass
4544 to subroutines. Allocate one not two temporary regsets. Don't
4545 clobber memory for const calls. Look for clobbers in
4546 CALL_INSN_FUNCTION_USAGE.
4547 (mark_set_regs): Recognize COND_EXEC.
4548 (mark_set_reg): Break out of mark_set_1.
4549 (mark_used_reg): Break out of mark_used_regs.
4550 (mark_used_regs): Recognize COND_EXEC.
4551 (insn_dead_p): Use propagate_block_info struct.
4552 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
4553 (find_auto_inc, try_pre_increment_1): Likewise.
4554 (print_rtl_with_bb): Dump regs live at end too.
4555 (count_reg_sets_1): Pass in loop_depth.
4556 (count_reg_sets, count_reg_references): Likewise.
4557 (recompute_reg_usage): Provide it.
4559 2000-04-07 Richard Henderson <rth@cygnus.com>
4561 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
4564 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
4566 * cpplib.c (do_elif): Skip the rest of the line if we're
4567 not going to bother evaluating it.
4568 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
4569 to avoid pointless calls to the lexer.
4571 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
4573 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
4575 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
4577 * calls.c (expand_call): emit_queue if we're trying a sibcall.
4579 2000-04-07 Jakub Jelinek <jakub@redhat.com>
4581 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
4583 2000-04-06 Geoff Keating <geoffk@cygnus.com>
4585 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
4586 crtend so they can be multilibbed.
4587 (STAGESTUFF): Remove s-crt and s-crtS.
4589 2000-04-07 Richard Henderson <rth@cygnus.com>
4591 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
4592 if we discover we need a pseudo and no_new_pseudos is true.
4593 * config/alpha/alpha.md (ne:DI insn): New.
4594 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
4596 2000-04-07 Richard Henderson <rth@cygnus.com>
4598 * rtl.def (COND_EXEC): New.
4599 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
4600 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
4602 * genconfig.c (have_cond_arith_flag): Remove.
4603 (have_cond_exec_flag): New.
4604 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
4605 (main): Print HAVE_conditional_execution.
4607 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
4608 (sched_analyze_insn, print_pattern): Likewise.
4609 * reload.c (find_equiv_reg): Likewise.
4610 * rtlanal.c (reg_referenced_p): Likewise.
4611 (note_stores, dead_or_set_regno_p): Likewise.
4612 (reg_overlap_mentioned_p): Rewrite to use a switch.
4614 * ggc.h (struct rtx_def): Forward declare.
4616 * print-rtl.c (debug_rtx_range): New.
4617 * rtl.h (debug_rtx_range): Declare.
4619 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
4621 * gcse.c (gcse_main): Don't rebuild the CFG here.
4622 (delete_null_pointer_checks): Likewise.
4623 * ssa.c (convert_to_ssa): Likewise.
4624 * toplev.c (rest_of_compilation): Do it here instead. Combine
4625 sequential calls to TIMEVAR. Consistently use `insns' instead of
4626 `get_insns()'. Always split insns after reload when optimizing.
4628 * basic-block.h (merge_blocks_nomove): Declare.
4629 (tidy_fallthru_edge): Declare.
4630 * flow.c (merge_blocks_nomove): Document as merging into previous
4631 blocks. Remove cruft from between blocks; remove all edges out of A.
4632 (tidy_fallthru_edge): Export.
4634 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4636 * ssa.c (compute_conservative_reg_partition): Declare with
4638 * toplev.c (clean_dump_file): Remove previously-deleted function
4639 inadvertantly merged back in.
4640 * conflict.c (conflict_graph_add): Use a single call to
4641 htab_find_slot to look up and insert.
4643 2000-04-06 Richard Henderson <rth@cygnus.com>
4645 * genrecog.c (*): Rename _last_insn to last_insn.
4646 (make_insn_sequence): Set the position of the peephole2 C test
4647 to be at the last insn.
4649 2000-04-06 Richard Henderson <rth@cygnus.com>
4651 * flow.c (compute_flow_dominators): Free worklist.
4653 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
4655 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
4657 2000-04-06 Alex Samuel <samuel@codesourcery.com>
4659 * rtl.h (INSN_P): New macro.
4660 (successor_phi_fn): New typedef.
4661 (for_each_successor_phi): New prototype.
4662 (in_ssa_form): New variable.
4663 (PHI_NODE_P): Likewise.
4664 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
4665 phi nodes in successors.
4666 (mark_used_regs): Add PHI case.
4667 (set_phi_alternative_reg): New function.
4668 (life_analysis): Assert that dead code elimination is not selected
4670 * toplev.c (to_ssa_time): New variable.
4671 (from_ssa_time): Likewise.
4672 (compile_file): Zero to_ssa_time and from_ssa_time.
4673 Print time to convert to and from SSA.
4674 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
4675 (print_time): Compute percent fraction as integer.
4676 * ssa.c (PHI_NODE_P): Moved to rtl.h.
4677 (convert_to_ssa): Check if we're already in SSA.
4678 Don't eliminate dead code in life_analysis.
4679 Rerun flow and life analysis at bottom.
4680 (eliminate_phi): Use canonical regnos when adding nodes.
4681 (mark_reg_in_phi): New function.
4682 (mark_phi_and_copy_regs): Likewise.
4683 (convert_from_ssa): Rerun life analysis at top.
4684 Use coalesced partition.
4685 Check for removing a phi node at the end of the block.
4686 (compute_coalesced_reg_partition): New function.
4687 (coalesce_regs_in_copies): Likewise.
4688 (coalesce_reg_in_phi): Likewise.
4689 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
4690 (for_each_successor_phi): Likewise.
4691 (rename_context): New struct.
4692 (rename_block): Use a rename_context with rename_insn_1. When
4693 renaming sets of a subreg, emit a copy of the entire reg first.
4694 (rename_insn_1): Treat data as a rename_context *. Save current
4696 (rename_set_data): Add field set_insn.
4697 * Makefile.in (HASHTAB_H): Move up in file.
4698 (OBSTACK_H): New macro.
4699 (collect2.o): Use OBSTACK_H in dependencies.
4700 (sdbout.o): Likewise.
4701 (emit-rtl.o): Likewise.
4702 (simplify-rtx.o): Likewise.
4703 (fix-header.o): Likewise.
4704 (OBJS): Add conflict.o.
4705 (conflict.o): New rule.
4706 * basic-block.h: Include partition.h.
4707 (conflict_graph): New typedef.
4708 (conflict_graph_enum_fn): Likewise.
4709 (conflict_graph_new): New prototype.
4710 (conflict_graph_delete): Likewise.
4711 (conflict_graph_add): Likewise.
4712 (conflict_graph_conflict_p): Likewise.
4713 (conflict_graph_enum): Likewise.
4714 (conflict_graph_merge_regs): Likewise.
4715 (conflict_graph_print): Likewise.
4716 (conflict_graph_compute): Likewise.
4717 * conflict.c: New file.
4719 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
4721 * tlink.c (read_repo_files): Don't look for .rpo info for
4724 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4726 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
4728 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4730 * config/sh/lib1funcs.asm (___udivsi3_i4):
4731 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
4732 only depends on FMOVD_WORKS.
4734 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4736 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
4737 make double constant 8-byte aligned.
4739 2000-04-06 Jakub Jelinek <jakub@redhat.com>
4741 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
4742 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
4743 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
4744 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
4745 Accept storing GENERAL_REGS into offsetable memory.
4746 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
4747 building a TFmode constant other than 0.0L into GENERAL_REGS.
4749 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
4751 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
4753 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
4755 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
4756 (macro_cleanup): No need to cast pbuf->macro.
4757 (collect_expansion): Use _cpp_get_define_token. Goto done if
4758 it returns VSPACE. Remove check for trailing space after
4760 (_cpp_create_definition): Don't diddle flags here. Return
4762 (unsafe_chars): Handle c1 being EOF.
4763 (push_macro_expansion): Use unsafe_chars for both accidental-paste
4764 checks. Don't push the buffer till after we're done with
4766 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
4767 (PEEKN, FORWARD, GETC, PEEKC): Use them.
4768 (cpp_push_buffer): Don't set new->alimit. Set new->mark
4770 (_cpp_parse_assertion): Don't NUL terminate.
4771 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
4772 hspace before calling _cpp_parse_assertion. Remove all sets
4773 of only_seen_white. Treat '\f' as hspace. Don't do anything
4774 special with '\n' here.
4775 (maybe_macroexpand): Handle T_EMPTY hash entries without
4776 pushing a buffer at all.
4777 (cpp_get_token): Handle clearing only_seen_white here. Handle
4778 incrementing the line number here. Clear
4779 potential_control_macro as well as only_seen_white, if
4781 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
4782 (_cpp_get_define_token): New function, basically like
4783 _cpp_get_directive_token was but doesn't eat horizontal space.
4784 Don't do anything with only_seen_white here.
4785 (_cpp_get_directive_token): Just call _cpp_get_define_token
4786 repeatedly till it returns non-hspace.
4788 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
4789 (conditional_skip, skip_if_group): Return int.
4790 (DIRECTIVE_TABLE): Change origin of all conditional directives
4792 (TRAD_DIRECT_P): New macro.
4793 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
4794 an error for a bogus directive, unless -lang-asm. Use
4795 TRAD_DIRECT_P. Loop calling handler functions till one returns
4797 (get_macro_name): Don't diddle flags here.
4798 (do_define): Diddle flags here. Use _cpp_get_directive_token.
4799 Create T_EMPTY nodes for #define macro /* nothing */.
4800 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
4801 Use hp->name when calling pass_thru_directive.
4802 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
4803 Return the result of conditional_skip and/or skip_if_group.
4804 Don't call _cpp_output_line_command.
4805 (consider_directive_while_skipping): Use _cpp_get_directive_token.
4806 Issue -Wtraditional warnings as appropriate. Don't complain
4807 about unrecognized directives. If we are to stop skipping,
4808 return the number of the directive that ended the skip.
4809 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
4810 expansion and line commands while skipping. Return the result
4811 of consider_directive_while_skipping, if nonzero.
4812 (do_endif): Just set potential_control_macro here.
4813 (validate_else): Use _cpp_get_directive_token.
4814 (do_assert, do_unassert): Don't save pointers into the
4815 token_buffer across calls to the lexer. Use
4816 _cpp_get_directive_token.
4818 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
4819 pointer, not an offset. Replace 'data', which was a generic
4820 pointer, with 'macro', which points to a struct hashnode.
4821 (cpp_reader): Add 'potential_control_macro' pointer.
4822 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
4823 (CPP_BUF_GET, CPP_FORWARD): Delete.
4824 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
4825 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
4826 ACTIVE_MARK_P): Update.
4827 (_cpp_get_define_token): New internal function.
4828 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
4830 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
4832 * configure.in: And here.
4833 * configure: Regenerate.
4834 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
4835 --enable-libstdcxx-v3 is passed at configure time.
4836 * config.h.in: Regenerate.
4838 2000-04-05 Mark Mitchell <mark@codesourcery.com>
4840 * final.c (final): Use xcalloc to allocate line_note_exists.
4841 * function.c (free_after_compilation): Free the temp_slots.
4842 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
4843 (combine_temp_slot): Free temp_slots when they get combined.
4844 (purge_addressof): Fix typo in comment.
4845 * stmt.c (mark_goto_fixup): Mark the fixup itself.
4846 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
4848 * ggc.h: Include varray.h.
4849 (ggc_pending_trees): Declare.
4850 (ggc_mark_tree_children): Remove declaration.
4851 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
4852 * ggc-common.c (ggc_pending_trees): New variable.
4853 (ggc_mark_roots): Call ggc_mark_trees.
4854 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
4855 the ggc_pending_trees.
4856 * Makefile.in (GGC_H): New variable. Use it throughout in place
4859 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4861 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
4864 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4866 * sh.c (sh_insn_length_adjustment): New function.
4867 * sh-protos.h (sh_insn_length_adjustment): Declare.
4868 * sh.h (ADJUST_INSN_LENGTH): Use it.
4870 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
4872 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
4873 from the insn where REG_RETVAL is added.
4874 (emit_no_conflict_block): Ditto.
4876 * md.texi (Standard Names): Clarify when movX is needed.
4878 * combine.c (simplify_comparison) [MINUS]: Do not replace
4879 all (op (minus A B) 0) with (op A B).
4881 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
4882 J"orn Rennecke <amylaar@cygnus.co.uk>
4884 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
4885 (block_lump_real): Likewise.
4887 2000-04-05 Chris Demetriou <cgd@netbsd.org>
4889 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
4890 remaining non-zero debugging masks.
4892 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
4894 * basic-block.h (verify_flow_info): Declare.
4895 (flow_loop_outside_edge_p): Declare.
4896 * flow.c (verify_flow_info): Remove declaration.
4897 (clear_log_links, flow_loop_outside_edge_p): Likewise.
4899 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
4901 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
4904 2000-04-05 Jakub Jelinek <jakub@redhat.com>
4906 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
4907 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
4908 seqdi_zero_trunc+1): Allow splits only if registers are
4911 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
4913 * acconfig.h: Add HAVE_GAS_HIDDEN.
4914 * config.in: Regenerated.
4915 * configure.in: Add test for .hidden pseudo-op in gas.
4916 * configure: Regenerated.
4917 * crtstuff.c: Include auto-host.h.
4918 Emit additional .hidden pseudo-op for __dso_handle if the
4919 assembler knows about it.
4921 2000-04-04 Philippe De Muyter <phdm@macqel.be>
4923 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
4924 before freeing argnames.
4925 * cpplib.c (do_ifndef): Cast return value of xstrdup.
4927 2000-04-05 Michael Meissner <meissner@redhat.com>
4929 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
4930 Walton <jonboy@gordian.com> to make memory references with update
4931 work wtih -mregnames.
4933 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4935 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
4936 (regrename_optimize): Rename variables `def_uses' and
4937 `ext_basic_blocks' to avoid conflicts with similarly named
4938 typedefs in traditional C.
4940 * calls.c (initialize_argument_information): Fix typo in previous
4943 2000-04-04 Richard Henderson <rth@cygnus.com>
4945 * regrename.c (consider_available): Test fixed_regs not
4946 PIC_OFFSET_TABLE_REGNUM.
4948 2000-04-04 Geoff Keating <geoffk@cygnus.com>
4950 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
4952 (CRTSTUFF_T_CFLAGS_S): Delete definition.
4953 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
4954 (ENDFILE_LINUX_SPEC): Always use crtend.
4955 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
4956 (powerpc-*-linux-gnu): Likewise.
4957 * configure: Regenerate.
4959 * config/rs6000/eabi.h: Don't include sysv4.h.
4960 (MULTILIB_DEFAULTS): Don't define.
4961 * config/rs6000/eabiaix.h: Don't include eabi.h.
4962 * config/rs6000/eabile.h: Delete.
4963 * config/rs6000/eabilesim.h: Delete.
4964 * config/rs6000/eabisim.h: Don't include eabi.h.
4965 * config/rs6000/linux.h: Don't include sysv4.h.
4966 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
4967 (MULTILIB_DEFAULTS): Don't redefine.
4968 * config/rs6000/rtems.h: Don't include eabi.h.
4969 * config/rs6000/sol2.h: Don't include sysv4le.h.
4970 * config/rs6000/sysv4le.h: Don't include sysv4.h.
4971 * config/rs6000/t-ppc: Delete.
4972 * config/rs6000/t-ppcgas: Correct comment.
4973 * config/rs6000/t-ppcos: Correct comment. Don't build
4974 multilibs for -fPIC, rather use -fPIC -mstrict-align
4976 * config/rs6000/t-ppc: Delete.
4977 * config/rs6000/vxppc.h: Don't include sysv4.h.
4978 * config/rs6000/vxppcle.h: Delete.
4979 * configure.in: Use multiple header files for p2pc ELF targets
4980 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
4981 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
4982 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
4983 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
4984 always available for these platforms.
4986 2000-04-04 Richard Henderson <rth@cygnus.com>
4988 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
4990 2000-04-04 Stan Cox <scox@cygnus.com>
4992 * Makefile.in: Add rules for regrename.o
4993 * regrename.c: New file.
4994 * rtl.h (regrename_optimize): Add prototype.
4995 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
4996 (compile_file, decode_d_option): Add support for -frename-registers.
4997 (rest_of_compilation): Call regrename_optimize.
4998 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5001 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5003 * Makefile (gccbug): New target.
5004 (doc): Depend on it.
5005 * gcc.texi (Bugs): Link subnodes.
5007 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
5008 Document severities, priorities, and classes in bug form.
5010 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
5012 * cpplex.c (trigraph_map, speccase): Combine into single
5014 (NORMAL, NONTRI): New macros.
5015 (_cpp_read_and_prescan): Change to use unified table. Use
5016 is_hspace to test for whitespace.
5018 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
5019 definition that doesn't provoke the "empty body in an
5020 if-statement" warning.
5022 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
5024 * builtins.c (expand_builtin_strlen): Force the source to
5025 be a memory address.
5027 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5029 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
5031 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5033 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
5034 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
5035 (ECF_IS_CONST): Rename to ECF_CONST.
5036 (special_function_p): Make static, change interface.
5037 (flags_from_decl_or_type, try_to_integrate): Break out from ...
5038 (expand_call) ... here; convert number of variables to flags.
5039 (emit_library_call_vlue_1): Likewise.
5040 (setjmp_call_p): New function.
5041 (initialize_argument_information): Accepts flags as argument;
5043 (precompute_arguments): Likewise.
5044 * tree.h (special_function_p): Remove.
5045 (setjmp_call_p): Add prototype.
5047 2000-04-04 Jakub Jelinek <jakub@redhat.com>
5049 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
5050 so that addresses are offsetable by up to 16 bytes.
5051 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
5052 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
5055 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
5056 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
5057 (movsf): Don't force any constant to memory if target is integer
5059 Move fp_zero_operand check below the const0_rtx check.
5060 (movtf): Likewise. Also allow fp_zero_operand for stores into
5062 (movdf): Likewise. Also allow fp_zero_operand for stores into
5063 memory and into integer hard registers.
5064 (clear_df, clear_dfp, movdf_const_intreg_sp32,
5065 movdf_const_intreg_sp64): Remove.
5066 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
5068 (movdf_no_e_insn_v9_sp32): New pattern.
5069 (movdf_insn_v9only): Remove.
5070 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
5071 (movdf_insn_sp64): Remove.
5072 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
5073 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
5074 (following splits): Rewrite conditions. Add two new splits
5075 for storing 0.0 into memory and registers.
5076 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
5077 (movtf_insn_sp32): Redo constraints and conditions.
5078 (movtf_insn_vis_sp32): New pattern.
5079 (movtf_no_e_insn_sp32): Redo constraints and conditions.
5080 (movtf_insn_hq_sp64): Likewise.
5081 (movtf_insn_hq_vis_sp64): New pattern.
5082 (movtf_insn_sp64): Redo constraints and conditions.
5083 (movtf_insn_vis_sp64): New pattern.
5084 (movtf_no_e_insn_sp64): Redo constraints and conditions.
5085 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
5087 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
5088 -mvis or -m64 to take down the number of various reload patterns.
5090 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
5092 * pa/pa-64.h: New file.
5093 * pa/pa64-regs.h: New file.
5094 * pa/pa64-start.h: New file.
5095 * pa/t-pa64: New file.
5096 * pa/xm-pa64hpux.h: New file.
5098 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5100 * sparc.c (output_restore_regs): Prototype.
5101 (sparc_emit_float_lib_cmp): Constification.
5103 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
5105 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
5108 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
5109 (get_value_hash, hash_rtx): Likewise.
5111 * ssa.c (compute_conservative_reg_partition): Prototype.
5113 * tree.c (mark_hash_entry): Prototype.
5115 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
5117 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
5118 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
5119 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
5121 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
5122 * objc/lang-specs.h: Likewise.
5124 2000-04-03 Neil Booth <NeilB@earthling.net>
5126 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
5127 and SYNTAX_ERROR2. Replace `' in messages with ''.
5128 (op_to_str): Make re-entrant.
5129 (_cpp_parse_expr): Implement new error macros. Use | rather
5130 than || to logically or 2 boolean integers. Simply expression
5131 checking we have a left operand iff needed.
5133 2000-04-03 Nick Clifton <nickc@cygnus.com>
5135 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
5137 2000-04-03 Philip Blundell <philb@gnu.org>
5139 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
5141 2000-04-03 Felix Lee <flee@cygnus.com>
5143 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
5144 (run_shell): Use it.
5146 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
5148 * Makefile.in (stmp-int-hdrs): Make include subdir here...
5149 (stmp-fixproto): ...rather than here.
5151 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
5153 * pa.c (print_operand): Compute 'base' only inside the code paths
5156 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
5158 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
5161 2000-04-03 Philipp Thomas <pthomas@suse.de>
5163 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
5165 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
5167 * Makefile.in (alias.o): Depend on $(TREE_H).
5169 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
5171 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
5173 * cpplib.c (_cpp_handle_directive): Improve warnings for
5174 traditional C and indented directives.
5176 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
5177 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
5178 fixinc/inclhack.def: Indent the # of #include_next one space.
5179 * cp/rtti.c: Un-indent #if and #endif.
5181 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
5182 syntax error, but an error has already been printed.
5183 * cpplex.c (_cpp_parse_assertion): Give a more specific error
5184 message when called with nothing remaining on the line.
5185 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
5186 OTHER token, not an ASSERTION.
5187 * cpplib.c (do_assert): When we create a 'base' node, clear
5188 its aschain pointer.
5190 2000-04-02 Neil Booth <NeilB@earthling.net>
5192 * cppexp.c: New typedef op_t. struct operation and struct
5193 token updated to use it.
5194 (op_to_str): New function.
5195 (_cpp_parse_expr): Error messages modified to use op_to_str.
5197 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5199 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
5200 before checking MUST_PASS_IN_STACK.
5202 2000-04-02 Neil Booth <NeilB@earthling.net>
5204 * cppexp.c: New FINISHED dummy token. Combine operator initial
5205 flags and initial priority into a single constant. New
5206 EQUALITY macro. New operator flag SHORT_CIRCUIT.
5207 (_parse_cpp_expr): Implement new constants. Take left operand
5208 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
5209 parse indicated by reducing FINISHED token. Remove new lines
5210 from cpp_error messages.
5212 2000-04-01 Mark Mitchell <mark@codesourcery.com>
5214 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
5217 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
5219 * cpplib.c: Include symcat.h. Add 'origin' field to struct
5220 directive. Add origin values to DIRECTIVE_TABLE. Generate
5221 the strings and function names on the fly. Take the #sccs
5222 entry out of the table if SCCS_DIRECTIVE is not defined.
5223 (_cpp_handle_directive): Decide if the # was at the beginning
5224 of the line here. Issue -pedantic warnings for extended
5225 directives here. Warn about K+R directives with the #
5226 indented, and C89/extended directives with the # not indented,
5228 (do_import, do_include_next, do_warning, do_ident, do_sccs,
5229 do_assert, do_unassert): Don't issue pedantic warning here.
5231 * cpphash.h: Add CPP_WTRADITIONAL macro.
5232 * cpplib.h (struct cpp_options): Rename warn_stringify to
5233 warn_traditional; update comments.
5234 * cppinit.c (handle_option): Set warn_traditional not
5236 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
5237 CPP_WTRADITIONAL (pfile).
5238 * cpplex.c (_cpp_lex_token): Don't decide if directives should
5239 be ignored in -traditional mode here.
5241 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
5242 to initialize speccase[] and trigraph_map[]. Delete all
5243 references to pfile->input_speccase. Always treat '?' as a
5244 special character. Remove table-initialization code from
5245 _cpp_init_input_buffer.
5247 * cpplib.h (struct cpp_reader): Remove input_speccase field.
5248 * cppinit.c (cpp_cleanup): Don't free input_speccase.
5250 2000-04-01 Richard Henderson <rth@cygnus.com>
5252 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
5253 (mostlyclean): Likewise.
5255 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
5256 (struct dump_file_info, enum dump_file_index, dump_file): New.
5257 (open_dump_file): Take a dump_file_index not a suffix, and a decl
5258 not a string. Clean out file if we havn't yet done so. Do nothing
5259 if the dump isn't enabled.
5260 (close_dump_file): Do nothing if the dump isn't open. Dump
5261 graph data if requested.
5262 (dump_rtl, clean_dump_file): Remove.
5263 (compile_file): Don't clean the dump files. Only finalize .bp dump
5264 if flag_test_coverage or flag_branch_probabilities. Only finalize
5265 .combine dump if optimizing. Iterate over dump_file to finalize the
5267 (rest_of_compilation): Update for open_dump_file/close_dump_file.
5268 Convert all uses of dump_rtl.
5269 (decode_d_option): Iterate over dump_file to implement 'a' and to
5270 locate pass-specific dumps.
5272 2000-04-01 Neil Booth <NeilB@earthling.net>
5274 * cppexp.c: Redefine priority constants.
5275 (_cpp_parse_expr): Replace left and right priority scheme with
5276 single priority logic. Move LOGICAL to same place as COMPARE.
5277 Remove bogus check for multiple unary +/- operators.
5279 2000-04-01 Neil Booth <NeilB@earthling.net>
5281 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
5282 within the switch statement. Binary operations break out of
5283 the switch naturally. '(' tokens handled by forcing
5284 immediate shift. ')' handled by forcing immediate reduce to
5285 the previous '('. New error messages.
5287 2000-03-31 Geoff Keating <geoffk@cygnus.com>
5289 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
5290 part', it's already in use. Use %K instead. Add a return at the
5291 end of what is now %K.
5292 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
5294 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5296 * builtins.c (expand_builtin_apply): Pass proper parameters to
5297 allocate_dynamic_stack_space.
5298 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
5299 update stack_pointer_delta; do not update arg_size_so_far.
5300 (compute_argument_block_size): Use stack_delta instead of
5301 stack_pointer_pending and arg_size_so_far.
5302 (expand_call): Add sanity checking for stack_pointer_delta;
5303 save and restore stack_pointer_delta for SIB, use
5304 stack_pointer_delta for alignment; do not update arg_space_so_far.
5305 (emit_library_call_value): Use stack_pointer_delta for alignment.
5306 (store_one_arg): Do not update arg_space_so_far.
5307 * explow.c (adjust_stack, anti_adjust_stack): Update
5308 stack_pointer_delta.
5309 (allocate_dynamic_stack_space): Add sanity checking for
5310 stack_pointer_delta.
5311 * expr.c (init_expr, clear_pending_stack_adjust): Clear
5312 stack_pointer_delta.
5313 (emit_push_insn): Update stack_pointer_delta.
5314 * function.h (struct expr_status): Add x_stack_pointer_delta;
5315 remove x_arg_space_so_far.
5316 (arg_space_so_far): Remove.
5317 (stack_pointer_delta): New macro.
5319 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
5321 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
5322 Reorder struct cpp_options and struct cpp_reader for better
5323 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
5324 takes two args. Change all 'char' flags to 'unsigned char'.
5325 Move show_column flag into struct cpp_options. Don't
5326 prototype cpp_options_init.
5327 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
5328 cppinit.c, cpplex.c, cpplib.c:
5329 Replace CPP_OPTIONS (pfile)->whatever with
5330 CPP_OPTION (pfile, whatever), and likewise for
5331 opts = CPP_OPTIONS (pfile); ... opts->whatever;
5333 * cppinit.c (merge_include_chains): Take a cpp_reader *.
5334 Extract CPP_OPTION (pfile, pending) and work with that
5336 (cpp_options_init): Delete.
5337 (cpp_reader_init): Turn on on-by-default options here.
5338 Allocate the pending structure here.
5339 (cl_options, enum opt_code): Define these from the same table,
5340 kept in a large macro. Add -fshow-column and -fno-show-column
5343 * cpperror.c (v_message): If show_column is off, don't print
5346 * cppmain.c: Update for new interface.
5347 * fix-header.c: Likewise.
5349 2000-03-30 Geoff Keating <geoffk@cygnus.com>
5351 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
5353 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
5354 are passed to any invocation of AR_FOR_TARGET.
5355 (AR_CREATE_FOR_TARGET): New macro.
5356 (AR_EXTRACT_FOR_TARGET): New macro.
5357 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
5358 AR_EXTRACT_FOR_TARGET.
5359 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
5360 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
5361 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
5362 AR_EXTRACT_FOR_TARGET to sub-makes.
5364 2000-03-31 Neil Booth <NeilB@earthling.net>
5366 * cppexp.c: Delete SKIP_OPERAND. Correct priority
5368 (_cpp_parse_expr): Check for multiple unary +/- operators.
5369 Correct priorities of ':' and '?'. Treat ')' as having a
5370 value. Ensure conditional expression is not void.
5372 2000-03-31 Mark Mitchell <mark@codesourcery.com>
5374 * alias.c (canon_rtx): Make it global.
5375 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
5377 * cse.c (struct table_elt): Add canon_exp.
5379 (invalidate): Canonicalize expressions only once.
5380 * rtl.h (canon_rtx): Declare.
5382 2000-03-30 Mark Mitchell <mark@codesourcery.com>
5384 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
5385 * alias.c (reg_known_value): Add comments.
5386 (init_alias_analysis): Likewise.
5387 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
5389 (cse_basic_block): Fix typo in comment.
5390 * emit-rtl.c: Include hashtab.h.
5391 (const_int_htab): New variable.
5392 (const_int_htab_hash): New function.
5393 (const_int_htab_eq): Likewise.
5394 (rtx_htab_mark_1): Likewise.
5395 (rtx_htab_mark): Likewise.
5396 (gen_rtx_CONST_INT): Cache all CONST_INTs.
5397 (unshare_all_rtx): Fix formatting.
5398 (init_emit_once): Initialize const_int_htab.
5399 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
5401 * rtl.texi: Document the fact that all CONST_INTs with the same
5404 2000-03-30 Richard Henderson <rth@cygnus.com>
5406 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
5408 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
5410 * configure.in: Comment out --enable-c-cpplib stanza.
5411 * configure: Regenerate.
5413 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5415 * expr.c (store_constructor): Properly compute displacement and
5416 alignment when offset is variable.
5418 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
5419 cases of alignment in bytes.
5421 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
5423 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
5424 since it is used to generate c-parse.y.
5425 * objc-parse.c, objc-parse.y: Regenerated.
5427 * function.c (expand_function_end): Pass alignment argument to
5428 emit_block_move in bits, not bytes.
5430 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5432 * expr.c (move_by_pieces_ninsns): Fix one more missing align
5435 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
5437 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
5438 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
5439 * function.c (assign_parms): Likewise.
5440 * integrate.c (expand_inline_function): Likewise.
5441 * stmt.c (expand_decl): Likewise.
5442 (copy_rtx_and_substitute): Likewise.
5443 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
5444 (clear_by_pieces): Fix error in last change.
5445 * emit-rtl.c (init_emit): Set known registers alignment in bits.
5446 * function.h (regno_pointer_align): Now unsigned.
5447 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
5449 * config/i386/i386.c (aligned_operand): Likewise.
5450 * config/sparc/sparc.c (mem_min_alignment): Likewise.
5451 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
5452 (unaligned_memory_operand): Likewise.
5453 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5454 Also make alignments and sizes unsigned and some whitespace cleanup.
5455 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
5457 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
5458 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
5459 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
5460 (expand_builtin_memset): Likewise, but to clear_storage.
5461 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
5462 (restore_fixed_argument_area): Likewise.
5463 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
5464 (load_register_parameters): Likewise, to emit_group_load.
5465 (expand_call): Likewise, to emit_group_store and emit_block_move.
5466 (emit_library_call_value_1): Likewise, to emit_block_move.
5467 (store_one_arg): Likewise, and to emit_push_insn.
5468 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
5469 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
5470 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
5471 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5472 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
5473 (expand_assigment, store_expr, store_constructor_field): Likewise.
5474 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
5475 (store_constructor, store_field, get_inner_reference): Likewise.
5476 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
5477 (expand_expr, case COMPONENT_REF): Likewise.
5478 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
5479 and positions; reindent code.
5480 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
5481 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
5482 (assign_parms): Likewise to emit_group_store.
5483 * optabs.c (prepare_cmp_insn): Alignment is in bits.
5484 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
5485 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
5486 (expand_return): Likewise to {extract,store}_bit_field.
5487 * stor-layout.c (get_mode_alignment): Minor cleanup.
5488 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
5489 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
5491 2000-03-29 Nick Clifton <nickc@cygnus.com>
5493 * config/arm/arm.h: Undo effects of previous delta:
5494 (ASM_SPEC): Do not define.
5495 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
5497 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
5500 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5502 * cppinit.c (cpp_start_read): Call initialize_dependency_output
5503 only after reading in the primary source file.
5505 2000-03-29 Geoff Keating <geoffk@cygnus.com>
5507 * c-common.c (c_common_nodes_and_builtins): The first parameter to
5508 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
5509 or a reference to a va_list.
5510 * builtins.c (stabilize_va_list): Simplify now we don't have to
5511 work around C array address decay.
5512 * c-typeck.c (convert_for_assignment): Handle assignment to
5513 a reference parameter by taking the address of the RHS.
5514 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
5515 (va_copy): Likewise.
5516 (__va_copy): Likewise.
5517 * ginclude/varargs.h (va_start): Likewise.
5518 (__va_copy): Likewise.
5520 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
5522 * i386/djgpp.h: Remove extraneous "+".
5524 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
5526 * calls.c (expand_call): Fix typo in last change.
5528 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
5530 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
5533 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5535 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
5536 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
5537 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
5538 * tree.c (bit_position, byte_position): Likewise.
5539 * tree.h: Declare new functions.
5541 2000-03-29 Nick Clifton <nickc@cygnus.com>
5543 * config/arm/arm.c: Minor formatting changes/
5544 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5546 (ASM_SPEC): Define if not already defined.
5548 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
5550 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
5553 2000-03-29 Jakub Jelinek <jakub@redhat.com>
5555 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
5556 value, don't output it as unsigned.
5558 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
5560 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
5562 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5564 * c-common.c (c_common_nodes_and_builtins): Don't special case
5565 cplus_mode when declaring builtin bzero/bcmp, always avoid
5566 prototype arguments.
5568 2000-03-29 Bruce Korb <bkorb@gnu.org>
5570 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
5573 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5575 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
5576 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
5577 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
5578 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
5579 (save_fixed_argument_area, restore_fixed_argument_area):
5580 conditionize by #ifdef REG_PARM_STACK_SPACE only.
5581 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
5582 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
5583 (precompute_register_parameters): Avoid #ifdefs on
5584 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
5585 (stire_one_args): Likewise.
5586 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
5587 (emit_library_call_value_1): Likewise.
5588 (compute_argument_block_size): Align to STACK_BOUNDARY only for
5589 ACCUMULATE_OUTGOING_ARGS.
5590 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
5592 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
5593 (use_crosses_set_p): Likewise.
5594 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
5595 #define ACCUMULATE_OUTGOING_ARGS 1.
5596 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
5598 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
5600 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
5601 (TARGET_SWITCHES): Add push-args, no-push-args,
5602 accumulate-outgoing-args and no-accumulate-outgoing-args.
5603 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
5604 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
5605 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
5607 (emit_push_insn): Likewise.
5608 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5609 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
5610 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
5611 (STACK_DYNAMIC_OFFSET): Define correctly for both
5612 ACCUMULATE_OUTGOING_ARGS and normal mode.
5613 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
5614 * tm.texi (PUSH_ARGS): Document.
5615 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
5617 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
5619 * flags.h (flag_optimize_sibling_calls): Declare.
5620 * calls.c (expand_call): Fail sibcall when
5621 !flag_optimize_sibling_calls
5622 * invoke.texi (flag_optimize_sibling_calls): Document.
5623 * toplev.c (flag_optimize_sibling_calls): New global variable.
5624 (f_options): Add flag_optimize_sibling_calls.
5625 (rest_of_compilation): Conditionize
5626 optimize_sibling_and_tail_recursive_calls by
5627 flag_optimize_sibling_calls.
5628 (main): Set flag_optimize_sibling_calls for -O2.
5629 * stmt.c (expand_return): Conditionize tail recursion by
5630 flag_optimize_sibling_calls.
5632 2000-03-29 Richard Henderson <rth@cygnus.com>
5634 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
5635 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
5637 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
5639 * except.c (add_eh_table_entry): Mark type_info's as referenced.
5641 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5643 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
5645 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
5646 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
5647 * config/rs6000/aix.h: then modified likewise.
5649 2000-03-28 Richard Henderson <rth@cygnus.com>
5651 * rtl.h: Redistribute enum reg_note documentation.
5652 Kill trailing whitespace.
5653 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
5654 Kill trailing whitespace.
5656 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
5658 * cppfiles.c (hash_IHASH): Just return i->hash.
5659 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
5660 htab_find_with_hash.
5661 (cpp_read_file): Likewise.
5662 (find_include_file): Likewise. Properly initialize
5663 ih->nshort. Share ih->name and ih->nshort if possible.
5664 * cpphash.c (_cpp_calc_hash): New function.
5665 (hash_HASHNODE): Just return h->hash.
5666 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
5667 htab_find_with_hash.
5668 * cpphash.h: Prototype _cpp_calc_hash.
5669 * cppinit.c (initialize_builtins): Provide a valid hash
5670 to _cpp_make_hashnode, using _cpp_calc_hash.
5672 * cpphash.c (collect_expansion): # is not a special character
5673 in object-like macros. In -traditional mode, /**/ is not
5674 token paste at the beginning or end of the line.
5675 * cpplib.c (do_include, do_import, do_include_next): If
5676 parse_include fails, return immediately.
5678 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
5680 * config/arm/arm.md (return peepholes): Update to reflect the new
5682 * config/arm/arm.c (arm_volatile_func): Also check
5683 current_function_nothrow.
5684 (output_return_instruction, output_func_prologue): Use it.
5685 (arm_output_epilogue, arm_expand_prologue): Likewise.
5687 2000-03-27 Tom Tromey <tromey@cygnus.com>
5689 * gcc.c (handle_braces): In {x*...} case, break out of loop if
5692 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5694 * expr.c (store_constructor): SIZE now signed.
5695 For EXPR_SIZE, don't evaluate size; just needed if constant.
5696 * fold-const.c (fold): Fix a number of cases when folded tree is
5698 * function.c (flush_addressof): Reenable.
5699 * tree.h (flush_addressof): Likewise.
5700 * toplev.c (independent_decode_option): Look at strings_processed.
5701 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
5703 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
5705 * sibcall.c (indentify_call_return_value): Find last call in the chain;
5706 Allow stack adjustment after function call.
5708 * regmove.c (struct csa_memlist): Make mem field rtx *.
5709 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
5710 (try_apply_stack_adjustment): Replace whole MEM rtx.
5711 (combine_stack_adjustments_for_block): Update calls
5712 to record_one_stack_ref.
5714 2000-03-28 Neil Booth <NeilB@earthling.net>
5716 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
5717 '\\' rather than a null character, so nulls are not special. Fix
5718 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
5719 speed trigraph conversion.
5720 (_cpp_init_input_buffer): Initialize trigraph map.
5722 2000-03-27 Alan Modra <alan@linuxcare.com.au>
5724 * config/i386/i386.c (output_387_binary_op): Correct intel
5725 mode assembly output, and add spaces after commas in AT&T
5726 output. Correct Unixware assembler comment. Document input
5727 constraints. Comment fp operations. Reduce profligate buffer
5728 size. Remove extraneous abort. Localize temp var.
5729 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
5730 (output_fix_trunc): Add spaces after commas in assembly output.
5732 2000-03-27 Richard Henderson <rth@cygnus.com>
5734 * i386-protos.h (ix86_match_ccmode): Declare.
5735 * i386.c (ix86_match_ccmode): New.
5736 (ix86_expand_fp_compare): Update for pattern renames.
5737 (ix86_expand_strlensi_unroll_1): Likewise.
5738 * i386.h (EXTRA_CC_MODES): Add CCZ.
5739 (SELECT_CC_MODE): Use it for EQ/NE zero.
5740 * i386.md (cmpsi_ccz_1): New.
5742 (*testsi_ccz_1): New.
5743 (testqi_ccz_1): New.
5744 (cmpsi_ccno_1): Rename from cmpsi_0.
5745 (testsi_ccno_1): Rename from testsi_1.
5746 (testqi_ccno_1): Rename from testqi_1.
5747 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
5748 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
5749 (*cmphi_0): Use ix86_match_ccmode.
5750 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
5751 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
5752 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
5753 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
5754 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
5755 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
5756 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
5757 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
5758 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
5759 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
5760 (appropriate peepholes): Likewise.
5761 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
5762 (*subsi_3, *subhi_3, *subqi_3): Remove.
5763 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
5764 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
5765 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
5766 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
5767 (x86_shift_adj_1): Use CCZ.
5768 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
5770 2000-03-27 Stan Cox <scox@cygnus.com>
5772 * resource.h (mark_resource_type): New.
5773 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
5774 find_free_register): Use mark_resource_type.
5775 (mark_set_resources): Change include_delayed_effects
5776 to mark_resource_type.
5777 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
5778 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
5779 Use mark_resource_type.
5781 2000-03-27 Richard Henderson <rth@cygnus.com>
5783 * i386.md (call_pop_0, call_value_pop_0): New.
5784 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
5785 (call_value_pop_1): Likewise.
5786 (call_0, call_value_0): New.
5787 (call_1, call_value_1): Remove constraint from unused arg.
5789 2000-03-27 Nick Clifton <nickc@cygnus.com>
5791 * invoke.texi (Spec Files): Document new spec % command created by
5792 Tom Tromey's recent patch.
5794 2000-03-27 Jakub Jelinek <jakub@redhat.com>
5796 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
5799 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5801 * expr.c (expand_assignment): Fix typo in last change.
5803 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
5805 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5807 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
5808 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
5809 and DECL_INLINE if FUNCTION_DECL.
5810 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
5811 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
5812 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
5813 (combine_parm_decls): Likewise.
5814 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
5815 * print-tree.c (print_node): Likewise.
5816 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
5817 DECL_TRANSPARENT_UNION on proper decl types.
5818 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
5819 * stor-layout.c (layout_decl): Only check DECL_PACKED and
5820 DECL_BIT_FIELD of FIELD_DECL.
5821 * tree.h (DECL_RESULT_FLD): New macro.
5823 * expr.c (expand_assignment): Add code to handle variable-sized
5826 2000-03-26 Richard Henderson <rth@cygnus.com>
5828 * calls.c (expand_call): Pass parms not original exp to
5829 optimize_tail_recursion. Mind return value instead of looking
5831 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
5832 call_expr. Move checks for call_expr and current_function_decl ...
5833 (expand_return): ... here.
5835 2000-03-26 Tom Tromey <tromey@cygnus.com>
5837 * gcc.c (handle_braces): Recognize `%{<S}' construct.
5838 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
5840 (process_command): Use them.
5841 (check_live_switch): Likewise.
5842 (give_switch): Skip ignored switches.
5844 2000-03-26 Jan Hubicka <jh@suse.cz>
5846 * jump.c (jump_optimize_1): Fix typo in elide optimizations
5847 for minimal jump pass test.
5849 2000-03-26 Mark Mitchell <mark@codesourcery.com>
5851 * integrate.c (function_cannot_inline_p): Do inline functions that
5854 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5856 * stor-layout.c (layout_type, set_sizetype): early_type_list is
5857 now a list of TREE_LIST entries, not types.
5858 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
5860 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
5861 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
5863 * config/mips/mips.c (function_arg): Likewise; also remove cast
5864 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
5865 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
5866 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
5867 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
5868 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
5869 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
5870 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
5871 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
5872 num_adjusts now unsigned.
5873 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
5874 * config/sparc/sparc.c (struct function_arg_record_value_parms):
5876 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
5877 as is BITPOS variable; use host_integerp and int_bit_position.
5878 (function_arg_record_value_2): Likewise.
5879 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
5880 Variable REGNO now unsigned.
5881 (function_arg_record_value): NREGS now unsigned.
5883 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5885 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
5887 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5889 * Rework fields used to describe positions of bitfields and
5890 modify sizes to be unsigned and use HOST_WIDE_INT.
5891 * alias.c (reg_known_value_size): Now unsigned.
5892 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
5893 (really_start_incremental_init): Use bitsize_zero_node.
5894 (push_init_level, pop_init_level, output_init_element): Likewise.
5895 Use bitsize_unit_node and bitsize_one_node.
5896 (output_pending_init_elements, process_init_element): Likewise.
5897 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
5898 (make_extraction): Position and length HOST_WIDE_INT and unsigned
5899 HOST_WIDE_INT, respectively.
5900 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
5901 (num_sign_bit_copies): Returns unsigned.
5902 BITWIDTH now unsigned; rework arithmetic.
5903 Remove recursive call from arg to MAX.
5904 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
5905 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
5907 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
5908 (find_split_point, expand_compound_operation, make_extraction): LEN
5909 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
5910 (make_field_assignment): Likewise.
5911 (combine_simplify_rtx): Add cast.
5912 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
5913 (force_to_mode): WIDTH now unsigned; add cast.
5914 (if_then_else_cond): SIZE now unsigned.
5915 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
5916 (extended_count): Now returns unsigned.
5917 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
5918 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
5919 (simplify_comparison): MODE_WIDTH now unsigned.
5920 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
5921 (mark_used_regs_combine): Likewise; rework arithmetic.
5922 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
5923 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
5924 (record_promoted_value): REGNO now unsigned.
5925 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
5926 (get_last_value): REGNO now unsigned.
5927 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
5928 (reg_dead_regno, reg_dead_endregno): Now unsigned.
5929 (remove_death): Arg REGNO now unsigned.
5930 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
5931 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
5933 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
5934 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
5935 (struct cse_reg_info): REGNO now unsigned.
5936 (cached_regno): Now unsigned.
5937 (REGNO_QTY_VALID_P): Add cast.
5938 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
5939 (remove_invalid_regs): Likewise.
5940 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
5941 as are variables END and I.
5942 (get_cse_reg_info, insert): Likewise.
5943 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
5944 (canon_hash): Likewise.
5945 (insert_regs, lookup_for_remove): REGNO now unsigned.
5946 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
5948 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
5949 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
5950 * emit-rtl.c (subreg_realpart_p): Add cast.
5951 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
5952 (operand_subword_force): Arg I is now unsigned.
5953 * except.c (eh_regs): Variable I is now unsigned.
5954 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
5955 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
5956 length is unsigned HOST_WIDE_INT; likewise for internal variables.
5957 (store_split_bit_field, extract_fixed_bit_field): Likewise.
5958 (extract_split_bit_field, store_bit_field, extract_bit_field):
5960 * expr.c (store_constructor_fields, store_constructor, store_field):
5961 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
5962 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
5963 (do_jump): Likewise.
5964 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
5965 MAX_SIZE is now unsigned.
5966 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
5967 (emit_group_store): Likewise.
5968 (emit_move_insn): I now unsigned.
5969 (store_constructor): Use host_integerp, tree_low_cst, and
5971 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
5972 Rework all calculations to use trees and new fields.
5973 * expr.h (promoted_input_arg): Regno now unsigned.
5974 (store_bit_field, extract_bit_field): Adjust types of pos and size.
5975 (mark_seen_cases): Arg is HOST_WIDE_INT.
5976 * flow.c (verify_wide_reg_1): REGNO now unsigned.
5977 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
5978 precisions and alignments are unsigned.
5979 (optimize_bit_field_compare, fold_truthop): Likewise.
5980 (int_const_binop): Adjust threshold for size_int_type_wide call.
5981 (fold_convert): Likewise.
5982 (size_int_type_wide): Make table larger and fix thinko that only
5983 had half of table used.
5984 (all_ones_mask_p, fold): Precisions are unsigned.
5985 * function.c (put_reg_info_stack): REGNO is unsigned.
5986 (instantiate_decl): Size is HOST_WIDE_INT.
5987 (instantiate_virtual_regs): I is unsigned.
5988 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
5989 (promoted_input_arg): REGNO is unsigned.
5990 * function.h (struct function): x_max_parm_reg is now unsigned.
5991 * gcse.c (max_gcse_regno): Now unsigned.
5992 (struct null_pointer_info): min_reg and max_reg now unsigned.
5993 (lookup_set, next_set): REGNO arg now unsigned.
5994 (compute_hash_table): REGNO and I now unsigned.
5995 (handle_avail_expr): regnum_for_replacing now unsigned.
5996 (cprop_insn): REGNO now unsigned.
5997 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
5998 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
5999 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6000 * hard-reg-set.h (reg_class_size): Now unsigned.
6001 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6002 * jump.c (mark_modified_reg): I now unsigned; add cast.
6003 (rtx_equal_for_thread_p): Add cast.
6004 * loop.c (max_reg_before_loop): Now unsigned.
6005 (struct_movable): REGNO now unsigned.
6006 (try_copy_prop): REGNO arg unsigned.
6007 (regs_match_p): XN and YN now unsigned.
6008 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
6009 (strength_reduce): Likewise; NREGS also unsigned.
6010 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
6011 * loop.h (struct iv_class): REGNO now unsigned.
6012 (max_reg_before_loop, first_increment_giv, last_increment_giv):
6014 * machmode.h (mode_size, mode_unit_size): Now unsigned.
6015 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
6016 * optabs.c (expand_binop): I and NWORDS now unsigned.
6017 (expand_unop): I now unsigned.
6018 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
6019 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
6020 * real.c (significand_size): Now returns unsigned.
6021 * real.h (significand_size): Likewise.
6022 * regclass.c (reg_class_size): Now unsigned.
6023 (choose_hard_reg_mode): Both operands now unsigned.
6024 (record_reg_classes): REGNO and NR now unsigned.
6025 (reg_scan): NREGS now unsigned.
6026 (reg_scan_update): old_max_regno now unsigned.
6027 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
6028 * reload.c (find_valid_class): BEST_SIZE now unsigned.
6029 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
6030 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
6031 Likewise for variable R.
6032 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
6033 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
6034 (find_equiv_reg): Add casts.
6035 (regno_clobbered_p): Arg REGNO now unsigned.
6036 * reload.h (struct reload): NREGS now unsigned.
6037 (refers_to_regno_for_reload_p): Regno args are unsigned.
6038 (regno_clobbered_p): Likewise.
6039 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
6040 (compute_use_by_pseudos): REGNO now unsigned.
6041 (find_reg): I and J now unsigned, new variable K, and change loop
6042 variables accordingly; THIS_NREGS now unsigned.
6043 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
6044 (spill_hard_reg): REGNO arg now unsigned; add casts.
6045 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
6046 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
6047 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
6048 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
6049 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
6050 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
6051 (emit_reload_insns): REGNO now unsigned.
6052 (reload_cse_move2add): Add cast.
6053 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
6055 * resource.c (mark_referenced_resources, mark_set_resources): New
6056 variable R; REGNO and LAST_REGNO now unsigned.
6057 (mark_target_live_regs): J and REGNO now unsigned.
6058 * rtl.c (mode_size, mode_unit_size): Now unsigned.
6059 * rtl.h (union rtunion_def): New field rtuint.
6060 (XCUINT): New macro.
6061 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
6062 (operand_subword, operand_subword_force): Word number is unsigned.
6063 (choose_hard_reg_mode): Operands are unsigned.
6064 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
6065 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
6066 (regno_use_in, combine_instructions, remove_death): Likewise.
6067 (reg_scan, reg_scan_update): Likewise.
6068 (extended_count): Return is unsigned.
6069 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
6070 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
6071 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
6072 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
6073 (reg_reg_last_1): FIRS and LAST now unsigned.
6074 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
6075 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
6077 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
6078 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
6079 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
6080 (replace_regs): Arg NREGS now unsigned.
6081 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
6082 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
6083 (simplify_binary_operation): Likewise.
6084 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
6085 THIS_LAST now unsigned.
6086 (cselib_record_set): Add cast.
6087 * ssa.c (ssa_max_reg_num): Now unsigned.
6088 (rename_block): REGNO now unsigned.
6089 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
6091 (all_cases_count): Just return -1 not -2.
6092 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
6093 Rework tests to use trees whenever possible.
6094 Use host_integerp and tree_low_cst.
6095 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
6096 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
6097 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
6098 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
6099 (smallest_mode_for_size): Likewise.
6100 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
6101 KNOWN_ALIGN is now an alignment, so simplify code.
6102 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
6103 (start_record_layout): Renamed from new_record_layout_info.
6104 Update to new fields.
6105 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
6107 (place_union_field): Renamed from layout_union_field.
6108 Update to use new fields in rli.
6109 (place_field): Renamed from layout_field.
6110 Major rewrite to use new fields in rli; pass alignment to layout_decl.
6111 (finalize_record_size): Rework to use new fields in rli and handle
6113 (compute_record_mode): Rework to simplify and to use new DECL fields.
6114 (finalize_type_size): Make rounding more consistent.
6115 (finish_union_layout): Deleted.
6116 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
6117 (layout_type, case RECORD_TYPE): Call new function names.
6118 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
6119 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
6120 (get_best_mode): UNIT is now unsigned; remove casts.
6121 * tree.c (bit_position): Compute from new fields.
6122 (byte_position, int_byte_position): New functions.
6123 (print_type_hash_statistics): Cast to remove warning.
6124 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
6125 (build_index_type): Likewise; make subtype of sizetype.
6126 (build_index_2_type): Pass sizetype to build_range_type.
6127 (build_common_tree_nodes): Use size_int and bitsize_int to
6128 initialize nodes; add bitsize_{zero,one,unit}_node.
6129 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
6130 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
6131 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
6132 (DECL_FIELD_BITPOS): Deleted.
6133 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
6134 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
6135 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
6136 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
6137 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
6138 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
6139 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
6140 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
6141 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
6142 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
6143 (DECL_ALIGN): Adjust to new field in union.
6144 (DECL_OFFSET_ALIGN): New field.
6145 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
6146 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
6147 (union tree_decl): Add struct for both aligns.
6148 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
6149 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
6150 (struct record_layout_info): Rework fields to have offset
6151 alignment and byte and bit position.
6152 (start_record_layout, place_field): Renamed from old names.
6153 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
6154 (byte_position, int_byte_position): Likewise.
6155 (get_inner_reference): Change types of position and length.
6156 * unroll.c (unroll_loop): New variable R; use for some loops.
6157 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
6158 (calculate_giv_inc): Arg REGNO now unsigned.
6159 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
6160 * varasm.c (assemble_variable): Clean up handling of size using
6161 host_integerp and tree_low_cst.
6162 (decode_addr_const): Use byte, not bit, position.
6163 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
6164 use tree_low_cst and int_bit_position.
6165 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
6167 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
6169 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
6170 (reorder_block_def): New members eff_head and eff_end.
6171 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
6172 (verify_insn_chain): New function.
6173 (skip_insns_between_block): Add code to skip deleted insns.
6174 Check for note before using.
6175 (chain_reorder_blocks): Replace calls to skip_insns_between_block
6176 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
6177 Check for note before using.
6178 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
6179 (fixup_reorder_chain): Restructure, clean up, defect removal.
6180 (reorder_basic_blocks): Remove last_insn and references to it.
6181 Moved insn chain verification code into a new function (see above).
6182 Delete defective code that sets last insn.
6183 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
6186 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6188 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
6190 2000-03-24 Richard Henderson <rth@cygnus.com>
6192 * tree.c (lang_safe_for_unsave): Remove.
6193 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
6194 allowing for two levels of unsafeness. Remove lang hook.
6195 * tree.h: Update declarations.
6196 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
6197 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
6198 Always fail sibcalls when there are pending cleanups.
6200 2000-03-24 Geoff Keating <geoffk@cygnus.com>
6202 * flow.c (propagate_block): When we delete an ADDR_VEC,
6203 also delete the BARRIER following it if there is one.
6205 2000-03-24 Richard Henderson <rth@cygnus.com>
6207 * builtins.c (expand_builtin_bzero): Convert `length' argument
6210 2000-03-24 Jakub Jelinek <jakub@redhat.com>
6212 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
6213 comparison if regno's are equal.
6214 * calls.c (initialize_argument_informat): Add ecf_flags argument.
6215 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6216 (expand_call): Update caller.
6217 Avoid making a sibling call if argument size of the callee is larger
6218 than argument size of the caller.
6219 Call hard_function_value with outgoing set if in sibcall pass.
6220 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
6222 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
6223 Change LEAF_REGISTERS from an array initializer to actual array
6224 identifier. Move static global variable into the function.
6225 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
6226 sequences for leaf functions.
6227 * global.c (global_alloc): Likewise.
6228 * tm.texi (LEAF_REGISTERS): Update documentation.
6230 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
6231 TARGET_FLAT leaf disabling hack.
6232 (LEAF_REGISTERS): Changed from an array initializer to actual array
6233 identifier to avoid duplication and remove the above hack.
6234 (FUNCTION_OK_FOR_SIBCALL): Define.
6235 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
6236 always like call attribute.
6237 (eligible_for_sibcall_delay): New attribute.
6238 (sibcall): New delay type.
6239 (sibcall, sibcall_value, sibcall_epilogue): New expands.
6240 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
6241 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
6242 * config/sparc/sparc.c (sparc_leaf_regs): New array.
6243 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
6245 (output_function_epilogue): Move part of the code into
6246 output_restore_regs.
6247 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
6249 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
6252 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
6253 until infrastructure is finished.
6255 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
6257 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
6258 (save_parm_insns): Not here.
6260 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6262 * builtins.c (expand_builtin_bzero): New function.
6263 (expand_builtin): Handle bzero.
6265 * builtins.def: Add BUILT_IN_BZERO.
6267 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6268 prototype & function for bzero.
6270 2000-03-23 Michael Meissner <meissner@redhat.com>
6272 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
6273 change adding TARGET_FP to the TF floating point insns, except for
6274 trunctfsf2, which generates direct calls to truncdfsf2.
6276 2000-03-23 Geoff Keating <geoffk@cygnus.com>
6278 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
6279 try to protect against middle-end changes that break binary
6281 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
6283 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6285 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
6287 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6289 * calls.c (expand_call): If TARGET is passed by reference and
6290 is readonly, write a CLOBBER.
6292 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6294 * builtins.c (expand_builtin): Handle bcmp.
6296 * builtins.def: Add BUILT_IN_BCMP.
6298 * c-common.c (c_common_nodes_and_builtins): Provide builtin
6299 prototype & function for bcmp.
6301 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
6303 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
6304 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
6305 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
6307 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
6309 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
6310 alternative when using -fp64 -gp32.
6312 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6314 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
6315 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
6316 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
6318 * frame.h (frame_state): Revert last change.
6319 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
6320 * libgcc2.c (throw_helper): Revert last change.
6322 2000-03-22 Richard Henderson <rth@cygnus.com>
6324 * stmt.c (expand_asm_operands): Don't promote the temporary.
6326 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
6328 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
6329 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
6330 c_get_alias_set): Likewise.
6331 * c-decl.c (duplicate_decls): Likewise.
6332 * c-typeck.c (default_conversion,build_unary_op): Likewise.
6333 * calls.c (initialize_argument_information): Likewise.
6334 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
6336 * dwarfout.c (decl_class_context,output_type): Likewise.
6337 * expr.c (get_inner_reference): Likewise.
6338 * fold-const.c (simple_operand_p,fold): Likewise.
6339 * function.c (aggregate_value_p): Likewise.
6340 * stmt.c (expand_asm_operands): Likewise.
6341 * varasm.c (named_section): Likewise.
6343 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
6345 Implement dwarf2 exception handling for the ARM.
6346 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
6347 (DWARF_FRAME_RETURN_COLUMN): Define.
6348 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
6349 REG_FRAME_RELATED_EXPR note.
6350 (emit_sfm): Likewise.
6351 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
6352 * dwarf2out.c (reg_save): Handle saving a register to itself.
6353 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
6354 * except.c (eh_regs): Don't use the static chain reg if it's
6356 * frame.h (frame_state): Add cfa_saved field.
6357 * frame.c (execute_cfa_insn): Set it.
6358 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
6360 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
6362 (instantiate_virtual_regs): Adjust.
6364 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6365 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
6366 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
6368 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
6369 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
6371 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6373 * builtins.def: New file.
6375 * Makefile.in (TREE_H): Depend on builtins.def.
6377 * builtins.c (built_in_names): Use builtins.def.
6379 * tree.h (built_in_function): Likewise.
6381 2000-03-22 Mark Mitchell <mark@codesourcery.com>
6383 * tree.c (size_in_bytes): Return size_zero_node, not
6386 2000-03-22 Geoff Keating <geoffk@cygnus.com>
6388 * config/fp-bit.c (pack_d): Correct the case when a denormal
6389 is rounded up and stops being denormal.
6391 2000-03-21 Richard Henderson <rth@cygnus.com>
6393 * config/alpha/alpha.c (function_arg): Check for void_type_node
6394 before using MUST_PASS_IN_STACK.
6396 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
6398 * regmove.c (combine_stack_adjustments_for_block): Check that
6399 the stack pointer is a valid memory address.
6401 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
6403 * calls.c: re-install Mar 16 emit_library_call merge.
6405 2000-03-21 Jakub Jelinek <jakub@redhat.com>
6407 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
6408 we cannot be sure that if reload_completed base register will
6409 be properly aligned.
6411 2000-03-21 Richard Henderson <rth@cygnus.com>
6413 * flow.c (delete_block): Fix typo last change.
6415 2000-03-21 Mark Mitchell <mark@codesourcery.com>
6417 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
6418 not COMPLETE_TYPE_P, to check the type of the expression.
6420 2000-03-21 Michael Meissner <meissner@redhat.com>
6422 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
6423 all floating point insns that just tested the macro
6424 TARGET_HAS_XFLOATING_LIBS.
6425 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
6426 used to only use the gprs.
6428 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
6430 * tree.h (COMPLETE_TYPE_P): New macro.
6431 (COMPLETE_OR_VOID_TYPE_P): New macro.
6432 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
6433 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
6434 * c-aux-info.c (gen_type): Use them.
6435 * c-common.c (c_expand_expr_stmt): Likewise.
6436 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
6437 grokdeclarator, grokparms, finish_struct, start_function,
6438 store_parm_decls, combine_parm_decls): Likewise.
6439 * c-parse.y (cast_expr): Likewise.
6440 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
6441 c_size_in_bytes, c_alignof, build_component_ref,
6442 build_indirect_ref, build_array_ref, convert_arguments,
6443 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
6444 * calls.c (initialize_argument_information): Likewise.
6445 * convert.c (convert_to_integer): Likewise.
6446 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
6447 * dwarfout.c (location_or_const_value_attribute,
6448 output_enumeration_type_die, output_structure_type_die,
6449 output_union_type_die, output_type): Likewise.
6450 * expr.c (safe_from_p, expand_expr): Likewise.
6451 * function.c (assign_parms): Likewise.
6452 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
6453 * tree.c (build_array_type, build_function_type,
6454 build_method_type, build_offset_type, build_complex_type): Likewise.
6455 * c-parse.c, c-parse.h: Regenerated.
6457 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6459 * config/c4x/rtems.h: Include config/rtems.h.
6461 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
6463 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
6464 decl is a FUNCTION_DECL
6466 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
6468 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
6469 function uses output registers. Don't save RP for leaf functions.
6470 Do save RP even if no epilogue.
6471 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
6472 (CALL_USED_REGISTERS): Unmark in registers.
6473 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
6476 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6478 * config/rs6000/rs6000.md (bunordered): New expander.
6479 (bordered): New expander.
6480 (buneq): New expander.
6481 (bunge): New expander.
6482 (bungt): New expander.
6483 (bunle): New expander.
6484 (bunlt): New expander.
6485 (bltgt): New expander.
6487 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
6488 (ccr_bit_negated_p): New function.
6489 (print_operand): For %C, generate appropriate cror for UNEQ,
6490 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
6492 2000-03-20 Andreas Jaeger <aj@suse.de>
6494 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6497 * tree.h (safe_for_unsave): Prototype.
6499 2000-03-20 Richard Henderson <rth@cygnus.com>
6501 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
6502 (combine_stack_adjustments_for_block): Don't allow sp references
6503 in the side of a set we're not fixing up.
6504 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
6505 after life_analysis.
6507 2000-03-20 Richard Henderson <rth@cygnus.com>
6509 * calls.c (expand_call): Don't bother generating tail call
6510 sequences if there are pending cleanups. Use
6511 expand_start_target_temps/expand_end_target_temps to elide
6512 cleanups created during sibcall expansion.
6514 2000-03-20 Geoff Keating <geoffk@cygnus.com>
6516 * configure.in: Set $IFS to a value if it doesn't already have one
6517 in the --enable-checking handling.
6518 * configure: Regenerate.
6520 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6522 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
6523 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6526 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
6528 * jump.c (delete_noop_moves): Remove code attempting to
6529 combine stack adjustments.
6531 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6533 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
6534 * except.c (emit_cleanup_handler): Use them.
6535 (expand_end_all_catch): Likewise.
6536 * function.c (fixup_var_refs): Likewise.
6537 (expand_function_end): Clear catch_clauses_last.
6538 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
6539 * except.h (struct eh_status): New field x_catch_clauses_last.
6540 (catch_clauses_last): New define.
6542 * Makefile.in (tree.o): Depend on HASHTAB_H.
6543 * tree.c: Include hashtab.h.
6544 (struct type_hash): Remove next field.
6545 (TYPE_HASH_SIZE): Remove.
6546 (TYPE_HASH_INITIAL_SIZE): New define.
6547 (type_hash_table): Change type to htab_t.
6548 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
6549 mark_hash_entry): New functions.
6550 (init_obstacks): Allocate type hash.
6551 (type_hash_lookup): Use htab functions.
6552 (type_hash_add, mark_type_hash): Likewise.
6553 (dump_tree_statistics): Call print_type_hash_statistics.
6555 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6557 * rs6000/t-aix41: New file.
6559 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
6561 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
6563 * tm.texi (Driver): Fix typos and tweak entry for
6565 Move misplaced STRUCT_FORCE_BLK entry ...
6566 (Storage Layout): ... to here.
6567 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
6569 2000-03-19 Richard Henderson <rth@cygnus.com>
6571 * flow.c (delete_block): Delete the addr_vec along with the block.
6572 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
6575 * fold-const.c (extract_muldiv): Apply type check for defined
6576 overflow to multiply as well as divide.
6578 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
6580 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6582 * emit-rtl.c (remove_unncessary_notes): Check that all
6583 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
6584 associated NOTE_BLOCK.
6585 * function.h (identify_blocks): Update comments.
6586 (reorder_blocks): Declare.
6587 * function.c (identify_blocks): Don't take paramters.
6588 (reorder_blocks): Don't take parameters.
6589 * loop.h (find_loop_tree_blocks): Remove.
6590 (unroll_block_trees): Likewise.
6591 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
6592 reorder_blocks instead of unroll_block_trees.h
6593 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
6594 * stmt.c (find_loop_tree_blocks): Remove.
6595 (unroll_block_trees): Likewise.
6596 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
6597 in whole-function mode.
6598 * tree.h (reorder_blocks): Remove declaration.
6600 * expr.c: Include intl.h.
6601 * Makefile.in (expr.o): Depend on intl.h.
6603 2000-03-18 Richard Henderson <rth@cygnus.com>
6605 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
6607 2000-03-18 Mark Mitchell <mark@codesourcery.com>
6609 * tree.h (tree_index): Remove enumerals for integer types.
6610 (integer_type_kind): New type.
6611 (integer_types): New variable.
6612 (char_type_node): Adjust.
6613 (signed_char_type_node): Likewise.
6614 (unsigned_char_type_node): Likewise.
6615 (short_integer_type_node): Likewise.
6616 (short_unsigned_type_node): Likewise.
6617 (integer_type_node): Likewise.
6618 (unsigned_type_node): Likewise.
6619 (long_integer_type_node): Likewise.
6620 (long_unsigned_type_node): Likewise.
6621 (long_long_integer_type_node): Likewise.
6622 (long_long_unsigned_type_node): Likewise.
6623 * tree.c (integer_types): New variable.
6624 (init_obstacks): Register it as a root.
6626 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
6628 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
6629 NEXT_INSN. Update last insn in chain.
6631 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
6633 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
6634 with TYPE_DECL_SUPPRESS_DEBUG set.
6636 2000-03-18 Richard Henderson <rth@cygnus.com>
6638 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
6640 2000-03-18 Richard Henderson <rth@cygnus.com>
6642 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
6643 care for HALF_PIC_P.
6644 (expander_call_insn_operand): Remove.
6645 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
6646 * i386.h (PREDICATE_CODES): Update.
6647 * i386.md (all call expanders): Remove predicates, remove special
6648 handling for half-pic.
6649 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
6650 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
6651 (sibcall_epilogue): New.
6653 2000-03-17 Richard Henderson <rth@cygnus.com>
6655 * rtlanal.c (single_set): Reject if the parallel has anything
6656 except SET or USE or CLOBBER.
6658 2000-03-17 Jeff Law <law@cygnus.com>
6659 Richard Henderson <rth@cygnus.com>
6661 * Makefile.in (OBJS): Add sibcall.o.
6663 * sibcall.c: New file.
6664 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
6665 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
6666 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
6667 Emit sibcall patterns when requested. Update all callers.
6668 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
6669 elimination seems feasable.
6670 * final.c (leaf_function_p): Sibling calls don't discount being
6672 * flow.c (HAVE_sibcall_epilogue): Provide default.
6673 (find_basic_blocks_1): Sibling calls don't throw.
6674 (make_edges): Make edge from sibling call to EXIT.
6675 (propagate_block): Don't remove sibcall_epilogue insns.
6676 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
6677 (sibcall_epilogue): New.
6678 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
6679 (identify_blocks_1): Likewise. Break out from ...
6680 (identify_blocks): ... here.
6681 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
6682 (reorder_blocks): ... here.
6683 (init_function_for_compilation): Zap prologue/epilogue as varrays.
6684 (record_insns): Extend a varray instead of mallocing new memory.
6685 (contains): Read a varray not array of ints.
6686 (sibcall_epilogue_contains): New.
6687 (thread_prologue_and_epilogue_insns): Emit and record
6688 sibcall_epilogue patterns.
6689 (init_function_once): Allocate prologue/epilogue varrays.
6690 * genflags.c (gen_insn): Treat sibcall patterns as calls.
6691 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
6693 (save_for_inline_nocopy): ... here.
6694 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
6696 (expand_inline_function): ... here.
6697 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
6698 (subst_constants): Handle 'n' formats.
6699 * jump.c (jump_optimize_minimal): New.
6700 (jump_optimize_1): New arg `minimal'; update callers. Elide most
6701 optimizations if it's set.
6702 * rtl.c (copy_rtx): Do copy jump & call for insns.
6703 * rtl.h (struct rtx_def): Document use of jump and call for insns.
6704 (SIBLING_CALL_P): New.
6705 (sibcall_use_t): New.
6706 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
6707 Invoke optimize_sibling_and_tail_recursive_calls.
6708 * tree.c (lang_safe_for_unsave): New.
6709 (safe_for_unsave): New.
6710 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
6712 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
6713 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
6714 (*sibcall_osf_1, *sibcall_value_osf_1): New.
6716 2000-03-17 Mark Mitchell <mark@codesourcery.com>
6718 * objc/objc-act.c (encode_method_prototype): Pass types, not
6719 PARM_DECLs, to int_size_in_bytes.
6721 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
6723 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
6725 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6726 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
6728 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6730 * Clean up usages of TREE_INT_CST_LOW.
6731 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
6732 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
6734 * c-tree.h (min_precision): Move declaration to here.
6735 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
6736 (build_unary_op, add_pending_init): Use bit_position.
6737 (pending_init_member, process_init_element): Likewise.
6738 (really_start_incremental_init, push_init_level, pop_init_level):
6739 Don't make copies of nodes or modify them in place, use consistent
6740 types when tracking positions, and use tree routines computations.
6741 (set_init_index, output_init_element): Likewise.
6742 (output_pending_init_elements, process_init_element): Likewise.
6743 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
6744 tree_low_cst and int_bit_position; also minor cleanup.
6745 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
6746 (print_cst_octal): Precision is unsigned.
6747 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
6748 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
6749 (simple_type_align_in_bits): Result is unsigned int.
6750 Use tree_int_low_cst and host_integerp.
6751 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
6752 (field_byte_offset): Result is HOST_WIDE_INT.
6753 Change types of internal variables so alignments are unsigned int,
6754 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
6755 Use host_integerp, tree_low_cst, and int_bit_position.
6756 (add_bit_offset_attribute): Likewise.
6757 (add_data_member_location_attribute): Use tree_cst_low.
6758 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
6759 (add_bit_size_attribute): Use tree_low_cst.
6760 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
6761 * dwarfout.c: Similar changes to dwarf2out.c.
6762 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
6763 * genoutput.c (n_occurences): Return -1 for null string.
6764 (strip_whitespace): Accept null string and make into function.
6765 (scan_operands): Reflect above changes.
6766 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
6767 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
6768 * ssa.c (rename_registers): Add missing cast of arg to bzero.
6769 * tree.c (int_size_in_bytes): Check for too big to represent.
6770 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
6771 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
6773 (min_precision): Delete from here.
6774 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
6775 and int_bit_position.
6776 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
6777 (encode_method_def): Likewise.
6778 (build_ivar_list_initializer): Use int_bit_position.
6779 (generate_shared_structures): Convert size.
6780 (encode_type, encode_complete_bitfield): Use integer_zerop.
6781 (encode_bitfield): Use tree_low_cst and int_bit_position.
6783 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6785 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
6787 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6789 * call.c (special_function_p): It is only malloc if it returns
6792 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6794 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
6795 (C33_FLAG, TARGET_C3X): Add macros.
6796 (TARGET_SWITCHES): Add -m33 option.
6797 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
6799 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6801 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
6802 (PARALLEL_PACK_FLAG): Delete.
6803 (TARGET_SWITCHES): Update.
6804 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
6806 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6808 * fold-const.c (fold): Fix a few cases when the returned result
6809 is not of the same type as the input.
6811 2000-03-16 Nick Clifton <nickc@cygnus.com>
6813 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
6816 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * libgcc2.h: Move prototypes above macros with the same name.
6819 Wrap some function prototypes in the conditional which indicates
6820 whether they are supported, i.e. "BITS_PER_UNIT == 8".
6822 2000-03-16 Richard Henderson <rth@cygnus.com>
6824 * calls.c: Revert last two changes.
6826 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
6828 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
6829 has exponent 0 is a zero.
6831 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
6832 HASH may already be nonzero. Add code/mode into hash value
6833 immediately after repeat label.
6834 (cselib_lookup): Don't leave the hash table in an inconsistent
6835 state before a hash lookup operation.
6837 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
6839 * i386.md (all HI and QI mode non-move patterns): Conditionize
6840 by TARGET_[HQ]IMODE_MATH.
6841 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6842 x86_promote_qi_regs): Declare.
6843 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
6844 TARGET_PROMOTE_QI_REGS): New macros.
6845 (PROMOTE_MODE): New macro.
6846 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
6847 x86_promote_qi_regs): New global variables.
6849 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
6851 * calls.c (emit_library_call_value_1): Break out from ...; handle
6852 VOIDmode function calls too.
6853 (emit_library_call_value): ... here.
6854 (emit_library_call): Implement by calling emit_library_call_value_1.
6856 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
6858 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
6859 Update arg_space_so_far on stack adjustments.
6860 (emit_library_call, emit_library_call_value): Likewise; take into
6861 account arg_space_so_far and pending_stack_adjust when calculcating
6864 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
6866 * flow.c: Move all basic block reordering code into its own file.
6867 (create_basic_block): Externalize.
6868 * bb-reorder.c: New file. Copy all basic block reordering code from
6869 flow.c to this file.
6870 (reorder_basic_blocks): Fix fencepost error in for-loop.
6871 (reorder_basic_blocks): Remove braces from single statement for-loops.
6872 * basic-block.h: Add declaration for create_basic_block.
6873 * Makefile.in: Add rules for bb-reorder.o.
6875 2000-03-16 Neil Booth <NeilB@earthling.net>
6877 * cppinit.c (handle_option): Implement #unassert directive
6878 as -A- command line option.
6879 (print_help): Update.
6880 * cpptexi.c: Update.
6882 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
6884 * md.texi (Standard Names): Document `jump'.
6886 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6888 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
6891 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6893 Merge changes from newppc-branch onto trunk.
6895 2000-03-15 Geoff Keating <geoffk@cygnus.com>
6897 * rs6000.c (toc_hash_table): Update for new hash table functions.
6898 (toc_hash_function): Likewise.
6899 (toc_hash_eq): Likewise.
6900 (toc_hash_mark_entry): Likewise.
6901 (toc_hash_mark_table): Likewise.
6902 (output_toc): Likewise.
6903 (rs6000_add_gc_roots): Likewise.
6905 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6907 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
6908 (AR_FLAGS_FOR_TARGET): here. New macro.
6910 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
6912 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
6913 fpmem_operand) Delete.
6915 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
6916 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
6917 (rs6000_save_machine_status, rs6000_restore_machine_status,
6918 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
6919 references to above variables.
6920 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
6921 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
6922 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
6923 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
6924 (XER_REGNO_P, XER_REGNO): New.
6925 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
6926 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
6927 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
6929 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6930 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
6931 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
6933 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6935 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
6936 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
6937 * rs6000.h: from here.
6939 * rs6000-protos.h (rs6000_select_section): Provide prototype.
6940 (rs6000_select_rtx_section): Likewise.
6941 (rs6000_encode_section_info): Likewise.
6942 (sdata_section): Likewise.
6943 (sdata2_section): Likewise.
6944 (sbss_section): Likewise.
6945 * sysv4.h (rs6000_select_section): Delete prototype.
6946 (rs6000_select_rtx_section): Likewise.
6947 (rs6000_encode_section_info): Likewise.
6948 (sdata_section): Likewise.
6949 (sdata2_section): Likewise.
6950 (sbss_section): Likewise.
6951 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
6953 * sysv4.h: Delete various unnecessary #undef's and put a comment
6954 on the remaining ones.
6955 Change various comments according to coding standard.
6957 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
6959 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
6960 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
6961 (CR0_REGNO_P) Remove.
6962 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
6963 setup_incoming_varargs, mtcrf_operation, print_operand,
6964 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
6965 Use the above macros.
6967 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
6969 * config/rs6000/rs6000.md: Added a new alternative for each
6970 pattern that had a 'x' alternative but no 'y' alternative.
6971 Added a new split for each of the above patterns.
6973 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6975 * aix41.h (ASM_CPU_SPEC): Delete.
6976 (CPP_CPU_SPEC): Delete.
6978 * aix.h (RS6000_OUTPUT_BASENAME): Define.
6979 (ASM_OUTPUT_LABEL): Define.
6980 (ASM_GLOBALIZE_LABEL): Define.
6981 (STRIP_NAME_ENCODING): Define.
6982 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
6983 (STRIP_NAME_ENCODING): Don't define.
6984 (ASM_OUTPUT_LABEL): Don't define.
6985 (ASM_GLOBALIZE_LABEL): Don't define.
6986 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
6987 names, and ASM_OUTPUT_LABEL to output labels, rather than
6989 (ASM_OUTPUT_LABEL): Define.
6990 (ASM_OUTPUT_INT): Use assemble_name.
6991 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
6992 (STRIP_NAME_ENCODING): Don't undefine first.
6993 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
6995 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
6996 specified with 'asm' even with -fleading-underscore.
6997 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
6998 (output_epilog): Likewise.
6999 (output_toc): Likewise.
7000 * tramp.asm: Handle -fleading-underscore correctly.
7002 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
7004 (nonlocal_goto_receiver): Delete.
7005 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
7007 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
7008 (SET_ASM_OP): Define.
7009 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
7011 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
7014 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
7015 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
7017 * rs6000.h: Add 'u' to more constants.
7019 2000-02-18 David Edelsohn <edelsohn@gnu.org>
7021 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
7023 2000-02-15 David Edelsohn <edelsohn@gnu.org>
7025 * rs6000.c (reg_or_u_cint_operand): New function.
7026 (logical_operand): Handle 64-bit hosts.
7027 (logical_u_operand): New function.
7028 (non_logical_cint_operand): Handle 64-bit hosts.
7029 (non_logical_u_cint_operand): New function.
7030 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
7031 (PREDICATE_CODES): Define new functions.
7032 * rs6000-protos.h: Declare new functions.
7033 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
7034 (movdi_64): Bracket code intended for 64-bit hosts. Create
7035 CONST_DOUBLE for 32-bit values.
7036 (scc insns): Generate DImode compares.
7037 (mfcr insns): Create DImode versions.
7038 (sge matchers): New patterns.
7040 2000-02-15 Gabriel Paubert <paubert@iram.es>
7042 * rs6000.md: Correct instructions length attributes and
7043 constraints on unsigned compare instructions.
7044 (*ne0): Disable for PowerPC64.
7046 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7048 * rs6000.c (output_function_profiler): Use .long for a 32-bit
7049 quantity, fix profile1.C test failure under -fPIC.
7051 * rs6000.c: Add 'u' to many constants to suppress warnings.
7052 (constant_pool_expr_1): Make static.
7053 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
7054 * rs6000.h: Add 'u' to many constants to suppress warnings.
7056 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
7057 for the start of the TOC, instead of LCTOC..0.
7058 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
7060 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
7061 (load_toc_aix_di): Use LCTOC..1.
7063 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
7064 * rs6000.c (rs6000_legitimize_address): New function from
7065 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
7066 symbols in the constant pool that really are TOC references.
7067 (print_operand_address): For ELF, write TOC offsets under
7068 -fPIC as subtractions in the insn.
7069 (output_toc): For ELF, define symbols in TOC as normal labels,
7071 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
7072 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
7073 (create_TOC_reference): Prototype only when RTX_CODE is defined.
7074 * rs6000.md (movsi): Only use create_TOC_reference on
7075 symbols in the constant pool that really are TOC references.
7077 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
7078 * rs6000.c (rs6000_reorg): Delete.
7079 * rs6000-protos.h (rs6000_reorg): Delete.
7081 2000-02-09 Geoff Keating <geoffk@cygnus.com>
7083 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
7085 * aix.h (SETUP_FRAME_ADDRESSES): Define.
7086 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
7087 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
7088 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
7089 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
7090 rs6000_aix_emit_builtin_unwind_init.
7091 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
7092 rs6000_emit_eh_toc_restore on AIX.
7093 (return_eh_si): Use r2.
7094 (return_eh_di): Use r2.
7096 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
7097 since we're breaking binary compatibility anyway.
7099 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7101 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
7102 constant_pool_expr_p): Declare them.
7103 (constant_pool_expr_p): Declare it.
7104 * config/rs6000/rs6000.c (toc_label_name): Define.
7105 (rs6000_override_options): Set toc_label_name.
7106 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
7107 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
7108 uses_TOC): New functions.
7109 (print_operand): Delete old '*' case.
7110 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
7111 and strip off rtl for TOC before calling output_addr_const.
7112 (rs6000_emit_load_toc_table): Use toc_label_name.
7113 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
7115 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
7116 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
7117 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
7118 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
7119 into explicit TOC_REGISTER offsets.
7120 (TOC_REGISTER): New macro.
7121 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
7122 TARGET_TOC to reference TOC_REGISTER.
7123 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
7124 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
7125 uses_TOC before emitting label references.
7127 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7129 * rs6000.md (stack_tie): Fix warning.
7131 * eabi-ctors.c: Use 'asm' names for the start/end variables,
7132 to handle -fleading-underscore.
7133 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
7134 (USER_LABEL_PREFIX): New macro.
7135 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
7136 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
7137 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
7138 call-linux can use the same multilibs.
7139 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
7140 and call-linux multilibs. Do multilib with -fleading-underscore.
7141 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
7142 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
7145 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
7146 have MASK_SOFT_FLOAT set.
7147 (CPP_FLOAT_DEFAULT_SPEC): New macro.
7148 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
7149 CPP_FLOAT_DEFAULT_SPEC.
7151 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
7152 * rs6000.md: Whitespace change.
7153 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
7154 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
7156 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7158 * rs6000.md (eh_epilogue): New expander.
7159 (eh_reg_restore): New expand/split/insn combination.
7160 (return_eh_si): New insn.
7161 (return_eh_di): New insn.
7163 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
7164 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
7165 * eabi-ctors.c (__do_global_ctors): Register this object's
7166 frame. Clean up. Call atexit() after the constructors.
7167 (__do_global_dtors): Deregister this object's frame. Clean up.
7168 Allow for recursive calls to exit().
7169 * rs6000.c (fixuplabelno): New variable.
7170 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
7171 TARGET_RELOCATABLE, it slows down exec() under linux.
7172 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
7174 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
7175 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
7176 (ASM_OUTPUT_DWARF_DELTA2): New macro.
7177 (ASM_OUTPUT_DWARF_DELTA4): New macro.
7178 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
7179 (ASM_OUTPUT_DWARF_ADDR): New macro.
7180 (ASM_OUTPUT_DWARF_DATA4): New macro.
7181 (ASM_OUTPUT_DWARF_DATA2): New macro.
7182 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
7183 (ASM_OUTPUT_DWARF_OFFSET): New macro.
7184 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
7186 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7188 * rs6000.c (rs6000_sr_alias_set): New variable.
7189 (rs6000_override_options): Initialise rs6000_sr_alias_set.
7190 (rs6000_emit_stack_tie): New function.
7191 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
7192 in a way that dwarf2out can understand.
7193 (rs6000_frame_related): New function.
7194 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
7195 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
7196 Use rs6000_emit_stack_tie when needed.
7197 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
7198 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
7199 * rs6000.md (stack_tie): New insn.
7200 (return_internal_si): Allow return value to be in the count
7202 (return_internal_di): Likewise.
7204 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
7206 2000-02-03 Geoff Keating <geoffk@cygnus.com>
7208 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
7210 2000-01-31 Geoff Keating <geoffk@cygnus.com>
7212 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
7214 * rs6000.md (stmw): Use the right POWER opcode.
7217 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7219 * rs6000-protos.h: New file.
7221 * rs6000.c: Include tm_p.h. Fix compile time warnings.
7223 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
7226 * sysv4.h: Likewise.
7228 2000-01-28 Geoff Keating <geoffk@cygnus.com>
7230 * ../../configure.in: Delete powerpcle-*-winnt*
7231 and powerpcle-*-pe|powerpcle-*-cygwin*.
7232 * ../../configure: Regenerated.
7234 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
7235 (TARGET_WINDOWS_NT): Delete.
7237 (CALL_NT_DLLIMPORT): Delete.
7238 Delete NT-specific code.
7239 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
7242 * nt-ci.asm: Delete.
7243 * nt-cn.asm: Delete.
7244 * ntstack.asm: Delete.
7246 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7248 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
7249 (ASM_FILE_START): Likewise.
7250 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7251 (ASM_OUTPUT_LABELREF): Likewise.
7252 (ASM_OUTPUT_SKIP): Likewise.
7253 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
7254 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7255 (ASM_OUTPUT_CASE_LABEL): Likewise.
7256 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7257 (ASM_OUTPUT_ASCII): Likewise.
7259 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
7261 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
7262 reload_toc_labelno for non-prologue TOC reloads. Also, don't
7263 increment rs6000_pic_labelno here.
7264 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
7265 and increment rs6000_pic_labelno here.
7267 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
7269 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
7270 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
7271 allocation knows (reg) is dead before the insn.
7273 2000-01-21 Geoff Keating <geoffk@cygnus.com>
7275 * rs6000.md (movsi_to_cr): Correct typo in output template.
7277 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7279 * rs6000.c (rs6000_pic_labelno): Always define.
7280 (rs6000_pic_func_labelno): Delete.
7281 (lmw_operation): Check for a zero base register,
7282 which doesn't mean what we want.
7283 (stmw_operation): New function.
7284 (print_operand): Define new 'l' modifier.
7285 (rs6000_stack_info): We must save all 64 bits of the registers
7286 if TARGET_POWERPC64.
7287 (rs6000_output_load_toc_table): Delete.
7288 (rs6000_emit_load_toc_table): New function.
7289 (rs6000_allocate_stack_space): Delete.
7290 (rs6000_emit_allocate_stack): New function.
7291 (rs6000_emit_prologue): New function.
7292 (output_prolog): Use rs6000_emit_prologue.
7293 (rs6000_emit_epilogue): Change a few variable names to be
7294 more accurate. Restore all 64 bits of the registers if
7295 TARGET_POWERPC64. Only restore the FP registers which were used
7296 if they are being saved/restored one-at-a-time.
7297 (output_mi_thunk): Delete inefficient code generation.
7298 (output_function_profiler): Don't use rs6000_output_load_toc_table.
7299 * rs6000.h: Declare rs6000_emit_load_toc_table,
7300 rs6000_allocate_stack_space, stmw_operation. Don't declare
7301 rs6000_output_load_toc_table.
7302 * rs6000.md (elf_high): Allow register 0, but discourage it
7304 (elf_low): Support loading into register 0.
7305 (load_toc_aix_si): New pattern.
7306 (load_toc_aix_di): New pattern.
7307 (load_toc_v4_pic_si): New pattern.
7308 (load_toc_v4_pic_di): New pattern.
7309 (load_toc_v4_PIC_1): New pattern.
7310 (load_toc_v4_PIC_1b): New pattern.
7311 (load_toc_v4_PIC_2): New pattern.
7312 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
7313 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
7314 (prologue): New expander.
7315 (movesi_from_cr): New pattern.
7316 (stmw): New pattern.
7317 (save_fpregs_si): New pattern.
7318 (save_fpregs_di): New pattern.
7320 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7322 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
7327 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7329 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
7331 (movsi_got_internal): Likewise.
7332 (movsi_got_internal+1): Likewise.
7333 (set_sp): 'unspec 7' does a SImode clobber.
7335 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7337 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
7338 allocate a stack temporary.
7339 (floatsidf2_internal): Likewise.
7340 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
7342 (floatunssidf2): Don't use the fpmem "register", just
7343 allocate a stack temporary.
7344 (floatunssidf2_internal): Likewise.
7345 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
7347 (floatsidf2_loadaddr): Delete.
7348 (floatsidf2_store1): Delete.
7349 (floatsidf2_store2): Delete.
7350 (floatsidf2_load): Delete.
7351 (fix_truncdfsi2): Don't use the fpmem "register", just
7352 allocate a stack temporary.
7353 (fix_truncdfsi2_internal_si): Delete.
7354 (fix_truncdfsi2_internal_di): Delete.
7355 (fix_truncdfsi2_internal): New insn.
7356 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
7357 (fix_truncdfsi2_store): Delete.
7358 (fix_truncdfsi2_load): Delete.
7359 (fctiwz): Produce gen_fctiwz.
7361 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
7363 * eabi.h (INVOKE__main): Define.
7364 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
7366 (rs6000_emit_prologue): Likewise.
7367 * rs6000.h (struct rs6000_stack): Don't keep track of whether
7368 this is the main program.
7370 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7372 * rs6000.c (rs6000_va_arg): Delete some unused variables.
7374 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7376 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
7377 goes after the argument.
7379 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7381 * rs6000.md: Document 'unspec' values used.
7382 (epilogue): New expander.
7383 (movesi_to_cr_one): New expander.
7384 (movesi_to_cr and following): New pattern.
7386 (return_internal_si): New pattern.
7387 (return_internal_di): New pattern.
7388 (return_and_restore_fpregs_si): New pattern.
7389 (return_and_restore_fpregs_di): New pattern.
7390 * rs6000.h: Declare new functions.
7391 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
7392 rather than rs6000_calls_p.
7393 (rs6000_makes_calls): Delete.
7394 (lmw_operation): New function.
7395 (mtcrf_operation): New function.
7396 (rs6000_emit_epilogue): New function.
7397 (output_epilog): Call rs6000_emit_epilogue and final if
7398 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
7400 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7402 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
7403 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
7404 * aix.h (SUBTARGET_SWITCHES): Document switches.
7405 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
7406 sched-prolog and sched-epilog the same. Document all the
7408 (TARGET_OPTIONS): No longer allow -mdebug-.
7410 2000-01-12 Geoff Keating <geoffk@cygnus.com>
7412 * rs6000.h (ASM_FILE_END): Move to aix.h.
7413 (EXTRA_SECTIONS): Move to aix.h.
7414 (READONLY_DATA_SECTION): Move to aix.h.
7415 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
7416 (SELECT_SECTION): Move to aix.h.
7417 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
7418 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
7419 (LINK_REGISTER_REGNUM): New definition.
7420 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
7421 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
7423 * sysv4.h: Delete the code between the inclusion of rs6000.h
7425 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
7426 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
7427 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
7428 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
7429 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
7430 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
7431 (fix_truncdfsi2_internal_di): New pattern.
7432 (fix_truncdfsi2_store): The second arg here is Pmode too.
7433 (fix_truncdfsi2_load): The second arg here is Pmode too.
7434 (tablejumpdi): Now that switch tables hold only SImode values,
7435 gcc needs to know how to add them to the pc which is DImode.
7436 * rs6000.c (rs6000_stack_info): Use symbolic name for
7437 LINK_REGISTER_REGNUM.
7438 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
7439 (output_toc): Delete unused variables s1 and s2.
7440 (output_ascii): Use fputs not fprintf on a variable string.
7442 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7444 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7445 * aix43.h: Revert Aug 2 change.
7446 (HAS_INIT_SECTION): Define, not visible yet.
7447 (LD_INIT_SWITCH): Define, not visible yet.
7448 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7450 2000-01-04 Joel Sherrill (joel@OARcorp.com>
7452 * config/rs6000/rtems.h: Include config/rtems.h.
7454 2000-01-04 David Edelsohn <edelsohn@gnu.org>
7456 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
7457 (SLOW_UNALIGNED_ACCESS): Define.
7458 (CASE_VECTOR_MODE): Always use 32-bit offsets.
7459 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
7460 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
7461 (toc_section): Likewise and .toc pseudo-op.
7462 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
7464 (TEXT_SECTION_ASM_OP): Likewise.
7465 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
7468 1999-12-17 Jakub Jelinek <jakub@redhat.com>
7470 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
7471 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
7474 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7476 * rs6000.h: Move more stuff from here...
7478 * sysv4.h: Cleanup accordingly.
7479 * netware.h: Likewise
7481 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7483 * rs6000.h: Continue cleanup.
7486 * netware.h: Likewise.
7488 * sysv4.h: Likewise.
7489 * win-nt.h: Likewise.
7491 * rs6000.h (TARGET_SWITCHES): Add descriptions.
7492 (TARGET_OPTIONS): Likewise.
7494 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
7495 (SUBTARGET_OPTIONS): Likewise.
7497 * rs6000.md: Fix compile time warnings.
7499 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7501 vxworks patches from the Cygnus tree originally by
7502 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
7503 <vmakarov@cygnus.com>.
7504 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
7505 (ENDFILE_SPEC): Likewise.
7506 (LIB_VXWORKS_SPEC): New macro.
7507 (STARTFILE_VXWORKS_SPEC): New macro.
7508 (ENDFILE_VXWORKS_SPEC): New macro.
7509 (LINK_START_VXWORKS_SPEC): New macro.
7510 (LINK_OS_VXWORKS_SPEC): New macro.
7511 (CPP_OS_VXWORKS_SPEC): New macro.
7512 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
7513 * vxppc.h: Rewrite to use proper configuration method.
7514 * vxppcle.h: New file.
7515 * ../../configure.in: Add powerpcle-wrs-vxworks*.
7516 * ../../configure: Rebuilt.
7518 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7520 Lots of changes to rs6000.h, sysv4.h, aix.h,
7521 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
7522 with the aim that rs6000.h is the first header
7523 included and the others override it.
7526 * x-aix41-gld: Remove.
7528 * x-aix41: Remove target-specific switches, and don't specify
7529 -Wl,-bbigtoc as we don't need it any more.
7530 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
7531 Use t-aix43 for AIX 4.3 and above.
7532 * ../../configure: Regenerated.
7534 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
7535 options, that don't do anything yet.
7536 (MASK_SCHED_PROLOG): New macro.
7537 (MASK_SCHED_EPILOG): New macro.
7538 (TARGET_SCHED_PROLOG): New macro.
7539 (TARGET_SCHED_EPILOG): New macro.
7541 2000-01-04 Geoff Keating <geoffk@cygnus.com>
7543 * rs6000.c: Correct comment, the `minimal' TOCs are actually
7544 one per translation unit, not one per function.
7545 (output_toc): Also do duplicate constant elimination
7546 for per-translation-unit TOCs.
7548 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
7549 a comment explaining _exactly_ when this pattern gets used.
7550 (builtin_setjmp_receiver): New pattern for better clarity.
7551 (init_v4_pic): Move it into a section dealing with TOC registers.
7553 1999-12-30 Geoff Keating <geoffk@cygnus.com>
7555 * rs6000.c (toc_hash_table): New variable.
7556 (rs6000_hash_constant): New function.
7557 (toc_hash_function): New function.
7558 (toc_hash_eq): New function.
7559 (toc_hash_mark_entry): New function.
7560 (toc_hash_mark_table): New function.
7561 (output_toc): Don't output duplicate TOC entries in
7563 (rs6000_add_gc_roots): Add the hash table as a GC root.
7564 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
7565 where they clearly shouldn't be. This may need to be fixed
7566 later when there is a GNU ar for AIX.
7567 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
7568 Don't define BOOT_LDFLAGS as it is now not necessary.
7570 1999-12-29 Geoff Keating <geoffk@cygnus.com>
7572 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
7573 for va_list on AIX. Use unsigned_char_type_node rather than
7574 constructing our own version on svr4.
7576 1999-12-17 Geoff Keating <geoffk@cygnus.com>
7578 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
7579 since patently it's not.
7581 1999-12-08 Geoff Keating <geoffk@cygnus.com>
7583 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
7584 define_expand/define_insn pair, and handle restore of the
7585 SVR4 -fpic register.
7587 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
7589 * acconfig.h (HAVE_GAS_WEAK): New define.
7590 * configure.in (assembler weak support): Check for .weak support.
7591 * config.in, configure: Rebuilt.
7592 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
7593 HAVE_GAS_WEAK is defined.
7595 2000-03-15 Nick Clifton <nickc@cygnus.com>
7597 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
7600 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
7602 * cppfiles.c (open_include_file): New function.
7603 (find_include_file, cpp_read_file): Use it.
7605 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7607 * cpphash.c (dump_hash_helper): Take the slot, not the element.
7609 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
7611 * flow.c (verify_flow_info): Check for unconditional return.
7613 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
7615 * config/ia64/ia64.md (restore_stack_nonlocal): New.
7616 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
7617 (__ia64_restore_stack_nonlocal): New.
7618 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
7620 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7622 * cpphash.c (collect_formal_parameters): Do not complain about
7623 parameter names that just start with `__VA_ARGS__'.
7625 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
7627 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
7628 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
7629 * i386.c (pentiumpro_cost): Set mul cost to 4.
7630 (x86_use_movx): Set for PPro.
7632 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
7634 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
7635 STACK_BOUNDARY for empty frames now.
7637 2000-03-14 Mark Mitchell <mark@codesourcery.com>
7639 * stor-layout.c (layout_union): Remove.
7640 (layout_union_field): New function, split out from layout_union.
7641 (finish_union_layout): Likewise.
7642 (layout_field): Handle unions by calling layout_union_field.
7643 (finish_record_layout): Handle unions.
7644 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
7645 QUAL_UNION_TYPE handling.
7647 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
7649 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
7650 end of basic block is jump_insn, not barrier; use create_basic_block
7651 instead of creating basic block by hand.
7653 2000-03-14 Jason Eckhardt <jle@cygnus.com>
7655 * flow.c (reorder_basic_blocks): Account for barriers when writing
7656 over NEXT_INSN (last_bb->end).
7657 (verify_flow_info): Add check for missing barriers.
7659 2000-03-14 Greg McGary <gkm@gnu.org>
7661 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
7662 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
7663 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
7664 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
7665 __unbounded, __unbounded__): New keywords.
7666 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
7667 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
7668 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
7670 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
7672 * cselib.h: New file.
7673 * alias.c: Include "cselib.h".
7674 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
7675 MEMs as two new arguments.
7676 (get_addr): New static function.
7677 (find_base_term): Handle VALUEs.
7678 (memrefs_conflict_p): Likewise.
7679 (true_dependence): Call get_addr on the addresses.
7680 Call fixed_scalar_and_varying_struct_p with addresses that have been
7681 passed through get_addr and canon_rtx.
7682 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
7683 with true_dependence.
7684 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
7685 * loop.c: Include "cselib.h".
7686 (load_mems): Process extended basic block that enters the loop with
7687 cselib. Use that information to change initialization of the shadow
7688 register so that a constant equivalence is seen by later passes.
7689 * reload1.c: Include "cselib.h".
7690 (reload_cse_invalidate_regno): Delete function.
7691 (reload_cse_mem_conflict_p): Likewise.
7692 (reload_cse_invalidate_mem): Likewise.
7693 (reload_cse_invalidate_rtx): Likewise.
7694 (reload_cse_regno_equal_p): Likewise.
7695 (reload_cse_check_clobber): Likewise.
7696 (reload_cse_record_set): Likewise.
7697 (reg_values): Delete static variable.
7698 (invalidate_regno_rtx): Likewise.
7699 (reload_cse_delete_noop_set): New static function.
7700 (reload_cse_simplify): New static function, broken out of
7702 (reload_cse_noop_set_p): Delete unused argument INSN.
7703 Just call rtx_equal_for_cselib_p on set source and destination.
7704 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
7705 reload_cse_delete_noop_set. Delete code to keep track of values; use
7706 cselib functions instead. Delete code to push/pop obstacks.
7707 (reload_cse_simplify_set): Use cselib to find equivalent values.
7708 Delete code to push/pop obstacks.
7709 (reload_cse_simplify_operands): Likewise.
7710 * rtl.def (VALUE): New rtx code.
7711 * rtl.h (union rtunion_def): New elt rt_cselib.
7712 (X0CSELIB, CSELIB_VAL_PTR): New macros.
7713 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
7714 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
7715 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
7716 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
7717 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
7718 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
7719 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
7720 cselib_record_set, cselib_record_sets): New static functions.
7721 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
7722 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
7723 references_value_p): New functions.
7724 (MAX_USELESS_VALUES, REG_VALUES): New macros.
7725 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
7726 n_useless_values, reg_values, callmem, cselib_obstack,
7727 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
7728 New static variables.
7729 * varray.h (union varray_data_tag): New elt te.
7730 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
7731 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
7734 2000-03-14 Nick Clifton <nickc@cygnus.com>
7736 * gcc.c (do_spec_1): Catch the case where %* is used in a
7737 substitution pattern, but it has not been initialised.
7738 Issue a meaningful error message if an unrecognised operator
7739 is encountered in a spec string.
7741 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
7743 * function.c (prepare_function_start): Correctly initialize
7744 cfun->stack_alignment_needed.
7746 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
7748 * cppfiles.c (find_include_file): Don't assume nshort is a
7751 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
7753 * configure.in (hppa configurations): Add pa32-regs.h to the
7754 list of tm files as appropriate.
7755 * configure: Rebuilt.
7756 * pa.c (compute_frame_size): Remove explicit knowledge about FP
7758 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
7759 (fmpyaddoperands, fmpysuboperands): Likewise.
7760 * pa.h: Remove various definitions which depend on knowing
7761 how registers are numbered.
7762 * pa32-regs.h: New file with PA32 register numbering specific
7765 2000-03-14 Richard Henderson <rth@cygnus.com>
7767 * regmove.c (combine_stack_adjustments): New.
7768 (stack_memref_p, single_set_for_csa): New.
7769 (free_csa_memlist, record_one_stack_memref): New.
7770 (try_apply_stack_adjustment): New.
7771 (combine_stack_adjustments_for_block): New.
7772 * rtl.h (combine_stack_adjustments): Declare.
7773 * toplev.c (rest_of_compilation): Call it.
7775 * i386.md: Revert 2000-01-16 change.
7777 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7779 * gccbug.in: Add web category, gcc specific classes.
7781 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
7783 * stor-layout.c (finalize_record_size): Fix typo.
7785 2000-03-14 Stan Shebs <shebs@apple.com>
7787 * c-typeck.c (c_alignof): Error on incomplete types.
7788 * extend.texi (Alignment): Document this.
7790 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7792 * cppfiles.c: Include mkdeps.h.
7793 (find_include_file, read_include_file): Remove _cpp_ prefix
7794 from name, make static.
7795 (_cpp_execute_include): New function, broken out of
7798 * cpplib.c: Don't include mkdeps.h.
7799 (struct directive): Remove type field. Reorder entries. The
7800 function takes only one argument.
7801 (struct if_stack): Make type field an int.
7802 (directive_table): Rename to dtable. Generate it, the
7803 prototypes of the directive handlers, and the enum for the
7804 directive numbers, from a template macro.
7805 (do_ifndef, do_include_next, do_import): New functions.
7806 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
7807 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
7808 do_ident, do_assert, do_unassert, do_sccs): Take only one
7810 (do_sccs): Define always, but alter behavior based on
7812 (_cpp_handle_directive, consider_directive_while_skipping):
7813 Restructure for new directive table layout.
7815 (pass_thru_directive): Take a directive number, not a pointer
7816 to a struct directive.
7817 (parse_include): New function, broken out of do_include.
7818 (do_include, do_import, do_include_next): Use parse_include
7819 and _cpp_execute_include.
7820 (do_elif, do_else): Test for T_ELSE specifically when checking
7821 for #elif/#else after #else.
7822 (parse_ifdef): New function, broken out of do_ifdef.
7823 (validate_else): Expect a name arg without a leading #.
7824 (if_directive_name): Delete.
7825 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
7826 directive handlers with only one argument.
7828 * cpphash.h: Update prototypes.
7829 (enum node_type): Remove entries for directives.
7830 * Makefile.in: Update dependencies.
7832 * cpphash.c (dump_hash_helper): Only dump nodes of type
7833 T_MACRO. Emit a newline after each definition.
7835 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7837 * gccbug.in: New file.
7838 * configure.in (all_outputs): Add gccbug.
7839 * Makefile.in (install-common): Install gccbug.
7840 (GCCBUG_INSTALL_NAME): New variable.
7841 * configure: Rebuilt.
7843 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7845 * function.c (put_var_into_stack): Use type_for_mode to calculate
7846 part_type. Use MEM_SET_IN_STRUCT_P.
7847 * expr.c (store_field): Handle CONCAT.
7848 (store_constructor): Use fields_length.
7849 * tree.c (fields_length): New fn.
7850 * tree.h: Declare it.
7852 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7854 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
7855 (cpplex.o): New target.
7856 * po/POTFILES.in: Add cpplex.c.
7858 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
7859 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
7860 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
7861 skip_block_comment, skip_line_comment, skip_comment,
7862 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
7863 _cpp_parse_name, skip_string, parse_string,
7864 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
7865 _cpp_get_directive_token, find_position,
7866 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
7867 (maybe_macroexpand, _cpp_lex_token): New functions.
7869 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
7870 parse_goto_mark): Delete.
7871 (_cpp_handle_eof): New function.
7872 (_cpp_handle_directive): Rename from handle_directive.
7873 (_cpp_output_line_command): Rename from output_line_command.
7874 (do_if, do_elif): Call _cpp_parse_expr directly.
7875 * cppfiles.c (_cpp_read_include_file): Don't call
7876 init_input_buffer here.
7877 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
7878 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
7879 here; pop the token_buffer and skip the rest of the line here.
7880 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
7883 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
7885 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
7886 CPP_GOTO_MARK): New macros.
7887 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
7888 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
7889 _cpp_read_and_prescan, _cpp_init_input_buffer,
7890 _cpp_grow_token_buffer, _cpp_get_directive_token,
7891 _cpp_handle_directive, _cpp_handle_eof,
7892 _cpp_output_line_command): Prototype them here.
7893 * cpplib.h (enum cpp_token): Add CPP_MACRO.
7894 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
7895 quote_string, output_line_command): Remove.
7897 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
7899 * stmt.c (expand_end_case): RANGE may be signed, and when checking
7900 whether it is too large we must also verify that it isn't negative.
7902 2000-03-13 Jakub Jelinek <jakub@redhat.com>
7904 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
7905 (movsi_zero_liveg0): Remove.
7906 (movsf_insn_novis_liveg0): Remove.
7908 (negsi2_not_liveg0): Rename to negsi2.
7909 (one_cmplsi2): Remove.
7910 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
7911 (one_cmplsi2_liveg0): Remove.
7912 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
7913 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
7914 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
7915 (PREDICATE_CODES): Remove zero_operand.
7916 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
7917 TARGET_BROKEN_SAVERESTORE.
7918 (zero_operand): Remove.
7919 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
7920 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
7922 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7923 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7924 TARGET_BROKEN_SAVERESTORE): Remove.
7925 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7927 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7929 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
7932 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
7934 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
7936 * cpplib.c (do_pragma_implementation): Fix off-by-one error
7937 truncating a string. Don't assume tokens are nul terminated.
7938 Problem noted by Andreas Jaeger <aj@suse.de>
7940 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
7942 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
7943 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
7944 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
7946 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
7948 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
7949 STRUCTURE_SIZE_BOUNDARY.
7951 2000-03-13 Mark Mitchell <mark@codesourcery.com>
7953 * tree.h (record_layout_info_s): New structure.
7954 (record_layout_info): New type.
7955 (new_record_layout_info): New function.
7956 (layout_field): Likewise.
7957 (finish_record_layout): Likewise.
7958 * stor-layout.c (layout_record): Remove.
7959 (new_record_layout_info): New function.
7960 (layout_field): New function, broken out from layout_record.
7961 (finalize_record_size): Likewise.
7962 (compute_record_mode): Likewise.
7963 (finalize_type_size): New function, broken out from layout_type.
7964 (finish_record_layout): Likewise.
7965 (layout_type): Use them.
7967 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7969 * cpphash.c: Don't include version.h.
7970 (special_symbol) [case T_VERSION]: Look for the string in
7971 hp->value.cpval; don't use version_string.
7972 * cppinit.c (initialize_builtins): Set hp->value.cpval for
7973 __VERSION__ to version_string.
7974 * Makefile.in (cpphash.o): Update deps.
7976 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
7978 Convert cpplib to use libiberty/hashtab.c.
7980 * cpplib.h (struct cpp_reader): Make hashtab and
7981 all_include_files of type 'struct htab *'. Delete HASHSIZE
7982 and ALL_INCLUDE_HASHSIZE macros.
7984 * cpphash.h: Update prototypes.
7985 (struct hashnode): Remove next, prev, and bucket_hdr members.
7986 Make length a size_t. Add hash member.
7987 (struct ihash): Remove next member. Add hash member. Make
7988 name a flexible array member.
7990 * cppfiles.c: Include hashtab.h.
7991 (include_hash): Delete.
7992 (IHASHSIZE): New macro.
7993 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
7994 (cpp_included): Do the hash lookup here.
7995 (_cpp_find_include_file): Rewrite.
7996 (cpp_read_file): Put the "fake" hash entry into the hash
7997 table. Honor the control_macro, if it turns out we've seen
7998 the file before. Don't push the buffer here.
7999 (_cpp_read_include_file): Push the buffer here.
8000 (OMODES): New macro. Use it whenever we call open(2).
8002 * cpphash.c: Include hashtab.h.
8003 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
8004 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
8005 _cpp_lookup_slot): New functions.
8006 (HASHSIZE): new macro.
8007 (hashf, _cpp_install, _cpp_delete_macro): Delete.
8008 (_cpp_lookup): Use hashtab.h routines.
8010 * cppinit.c: Include hashtab.h.
8011 (cpp_reader_init): Call _cpp_init_macro_hash and
8012 _cpp_init_include_hash. Don't allocate hashtab directly.
8013 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
8014 pfile->all_include_files.
8015 (initialize_builtins): Use _cpp_make_hashnode and
8016 htab_find_slot to add hash entries.
8017 (cpp_finish): Just call _cpp_dump_macro_hash.
8018 * cpplib.c: Include hashtab.h.
8019 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
8020 create hash entries.
8021 (do_pragma_poison, do_assert): Likewise.
8022 (do_include): Don't push the buffer here. Don't increment
8023 system_include_depth unless _cpp_read_include_file succeeds.
8024 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
8026 (do_pragma_implementation): Use alloca to create copy.
8028 * Makefile.in: Update dependencies.
8030 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8032 * cppinit.c (cl_directive_handler): More K&R fixing.
8034 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
8036 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
8038 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
8040 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8042 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
8043 Change from char[] to macros.
8045 2000-03-12 Neil Booth <NeilB@earthling.net>
8047 * cppinit.c (cpp_start_read): Update indirect function
8050 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
8052 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
8055 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8056 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
8058 2000-03-11 Neil Booth <NeilB@earthling.net>
8060 * cppinit.c (struct pending option): Replace undef with a
8061 pointer to a directive handling routine.
8062 (struct cpp_pending): Replace separate assert_ and define_
8063 lists with one directive_ list.
8064 (new_pending_define): Rename new_pending_directive. Extra
8065 argument is the directive's handling routine.
8066 (handle_option): Update to use new_pending_directive.
8068 2000-03-11 Neil Booth <NeilB@earthling.net>
8070 * cppfiles.c (file_cleanup, _cpp_find_include_file,
8071 remap_filename, _cpp_read_include_file, actual_directory,
8072 hack_vms_include_specification): Replace bcopy(), index() etc
8073 calls. Add casts to some allocations. Make some variables
8074 pointers to const [unsigned] char.
8075 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
8076 collect_formal_parameters): Similarly.
8077 * cppinit.c (struct pending_option, append_include_chain,
8078 cpp_options_init, cpp_reader_init, initialize_standard_includes,
8079 cpp_start_read, new_pending_define, handle_option): Similarly.
8080 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
8081 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
8082 do_pragma_implementation, detect_if_not_defined,
8083 do_ifdef, skip_if_group, cpp_get_token, parse_string,
8084 do_assert, do_unassert): Similarly.
8085 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
8086 function prototypes.
8087 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
8089 2000-03-10 Richard Henderson <rth@cygnus.com>
8091 * builtins.c (expand_builtin_strlen): Revert last change.
8092 Use emit_insn_before if we're at the beginning of a sequence.
8094 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
8096 * builtins.c (expand_builtin_strlen): Make sure that we have something
8097 at the beginning of the sequence.
8099 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
8102 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
8104 2000-03-10 Richard Henderson <rth@cygnus.com>
8106 * except.c (can_throw): Use INTVAL on a CONST_INT.
8107 (reachable_handlers): Likewise.
8108 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
8110 2000-03-10 Andreas Jaeger <aj@suse.de>
8112 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
8113 MD_STARTFILE_PREFIX since those are not needed on linux.
8114 (ASM_FILE_START): New, from mips/gnu.h.
8116 2000-03-09 Richard Henderson <rth@cygnus.com>
8117 Alex Samuel <samuel@codesourcery.com> and others
8119 * Makefile.in (ssa.o): New rule.
8121 (STAGESTUFF): Add *.ssa and *.ussa.
8122 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8123 * rtl.def (PHI): New RTL expression.
8124 * rtl.h (clear_log_links): New declaration.
8125 (convert_to_ssa): Likewise.
8126 (convert_from_ssa): Likewise.
8127 * flow.c (split_edge): If the entry node falls through to the
8128 split edge's source block, split the entry edge.
8129 (clear_log_links): New function.
8130 * toplev.c (ssa_dump): New variable.
8131 (flag_ssa): Likewise.
8132 (f_options): Add "ssa".
8133 (compile_file): Create SSA dump files.
8134 (rest_of_compilation): Go to and from SSA if enabled.
8135 (decide_d_option): Handle -de for SSA dump files.
8138 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
8140 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
8143 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
8145 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
8147 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
8149 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
8150 (MD_STARTFILE_PREFIX_1): New macro.
8152 2000-03-09 Robert Lipe <robertl@sco.com>
8154 * config/ia64/ia64.c: Include system.h.
8156 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8158 * except.c (nothrow_function_p): If -fno-exceptions, just return.
8159 (init_eh_nesting_info): Likewise.
8161 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
8162 (TREE_NOTHROW): Rename from TREE_RAISES.
8163 * toplev.c (rest_of_compilation): Set it.
8164 * print-tree.c (print_node): Adjust.
8165 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
8166 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
8167 * calls.c (emit_call_1): Add 'nothrow' parm. Add
8168 REG_EH_REGION note as appropriate.
8169 (libfunc_nothrow): New fn.
8170 (emit_library_call, emit_library_call_value): Use it.
8171 (expand_call): Check TREE_NOTHROW.
8173 * varasm.c (make_decl_rtl): Skip initial '*' when setting
8174 DECL_ASSEMBLER_NAME.
8176 2000-03-09 Andreas Jaeger <aj@suse.de>
8178 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
8179 (TARGET_MEM_FUNCTIONS): Define.
8181 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
8183 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
8185 * except.c (can_throw): See through a SEQUENCE.
8186 (nothrow_function_p): New fn.
8187 * except.h: Declare it.
8188 * function.c (current_function_nothrow): New var.
8189 (prepare_function_start): Initialize it.
8190 * output.h: Declare it.
8191 * toplev.c (rest_of_compilation): Set it.
8192 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
8194 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
8196 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
8197 match. (cpp_compare_defs): Count the nul separator when
8198 advancing over argument names.
8200 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
8202 * recog.c (preprocess_constraints): Matching constraints affect
8203 same alternative/different operand, not same operand/different
8206 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
8207 register and a constant specially.
8209 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8211 * libgcc2.h: New file.
8212 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
8214 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
8216 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
8217 * configure: Regenerate.
8220 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8222 * Makefile.in (LIBCPP_DEPS): New macro.
8223 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
8225 * cpperror.c: Include cpphash.h.
8226 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
8228 (lex): Don't use CPP_WARN_UNDEF.
8229 (_cpp_parse_expr): Return an int, the truth value.
8230 * cppfiles.c: Include cpphash.h.
8231 (_cpp_merge_include_chains): Move to cppinit.c and make static.
8232 * cppinit.c (include_defaults_array): Disentangle.
8233 (cpp_cleanup): Don't free the if stack here.
8234 (cpp_finish): Pop off all buffers, not just one.
8235 * cpplib.c (eval_if_expr): Return int.
8236 (do_xifdef): Rename do_ifdef.
8237 (handle_directive): Don't use CPP_PREPROCESSED.
8238 (cpp_get_token): Don't use CPP_C89.
8239 * fix-header.c: Don't use CPP_OPTIONS.
8241 * cpplib.h: Move U_CHAR, enum node_type, struct
8242 file_name_list, struct ihash, is_idchar, is_idstart,
8243 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
8244 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
8245 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
8246 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
8247 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
8248 of _cpp_simplify_pathname, _cpp_find_include_file,
8249 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
8250 Move struct if_stack to cpplib.c. Move struct cpp_pending to
8252 Change all uses of U_CHAR to be unsigned char instead.
8253 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
8255 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8257 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
8258 (dwarf2out_begin_prologue): Set it.
8259 (output_call_frame_info): Don't emit EH unwind info for leaves.
8261 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
8262 can occur outside of an EH region.
8263 * except.c: Correct comments about rethrow behavior.
8264 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
8266 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
8268 * flow.c (make_edges): Always call make_eh_edge for calls.
8270 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
8272 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
8273 (struct cpp_buffer): Remove fname and underflow fields.
8274 (struct cpp_reader): Remove get_token field.
8275 (struct include_hash): Rename to struct ihash. Add typedef to
8277 (struct if_stack): Remove fname field.
8278 (IF_STACK_FRAME): Rename to IF_STACK.
8280 * cpperror.c (print_containing_files): Trust that there are no
8281 macro buffers below the top file buffer.
8282 * cppfiles.c: Replace all references to 'struct include_hash'
8283 with 'IHASH'. Rename initialize_input_buffer to
8284 init_input_buffer. Don't set or reference cpp_buffer->fname,
8285 use buffer->ihash->name instead.
8286 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
8287 not CPP_NULL_BUFFER.
8288 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
8289 IF_STACK_FRAME, IHASH not struct include_hash.
8290 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
8291 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
8292 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
8293 references to cpp_buffer->fname (delete entirely, or use
8294 ->ihash->name instead) and IF_STACK->fname.
8295 (cpp_push_buffer): Don't set new->underflow.
8296 (do_include): Use cpp_file_buffer.
8298 * cpphash.c (collect_formal_parameters): Remove duplicate
8299 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
8300 used as a macro argument name. Don't append "..." to namebuf
8301 for varargs macros. After we're done scanning, go through
8302 namebuf and make it NUL separated, not comma separated.
8303 (_cpp_compare_defs): Remove register tag from variables.
8304 Expect defn->argnames to be NUL separated.
8305 (_cpp_dump_definition): Expect defn->argnames to be NUL
8306 separated and in forward order.
8307 * cpphash.h: Update documentation of argnames field.
8309 2000-03-08 Richard Henderson <rth@cygnus.com>
8311 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
8312 to fail. Don't pre-expand the source operand.
8314 * i386.md (strlensi): Initialize eoschar and align before use.
8316 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
8318 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
8319 CONSTRUCTOR element.
8321 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
8323 * mips.c (mips_expand_prologue): If the last
8324 named argument is the vararg marker "va_list", treat it as
8325 an unnamed argument.
8327 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
8329 * dbxout.c (dbxout_parms): When correcting for promoted
8330 big-endian parameters, use the mode of the DECL_RTL rather
8331 than UNITS_PER_WORD.
8333 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
8335 * c-common.h (make_fname_decl): Declare.
8336 * c-common.c (make_fname_decl): Define.
8337 (declare_hidden_char_array): Remove.
8338 (declare_function_name): Use make_fname_decl.
8339 * c-decl.c (c_make_fname_decl): New function.
8340 (init_decl_processing): Set make_fname_decl.
8342 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
8344 * cccp.c (handle_directive): Initialize backslash_newlines_p.
8346 2000-03-07 Philipp Thomas <pthomas@suse.de>
8348 * po/POTFILES.in: Remove cppalloc.c from file list.
8350 2000-03-07 Steve Chamberlain <sac@pobox.com>
8352 * pj.c (pj_expand_prologue): current_function->args_info is
8353 now current_function_args_info.
8355 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
8356 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
8357 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
8359 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8361 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
8362 output as hexadecimal rather than the default octal.
8364 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8366 * cpphash.c (special_symbol): Fix thinko in previous commit.
8368 2000-03-07 Neil Booth <NeilB@earthling.net>
8370 * cppexp.c (struct operation, left_shift, right_shift,
8371 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
8372 "int"s to "unsigned int"s.
8373 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
8375 * cpplib.h: Update for above.
8376 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
8377 returned from allocations.
8379 * cppinit.c (opt_comp, parse_options): New functions.
8380 (handle_option): Use parse_option to parse a single command
8381 line option, that possibly takes an argument.
8382 (cpp_handle_options): Sort the array of command line options on
8383 first invocation (non-ASCII hosts only).
8384 (print_help): Update.
8386 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
8388 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
8389 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
8391 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
8393 * cppinit.c (cpp_cleanup): Free imp->nshort also.
8395 * cpperror.c (cpp_print_containing_files,
8396 cpp_print_file_and_line, v_cpp_message): Rename to
8397 print_containing_files, print_file_and_line, and v_message.
8398 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
8399 to _cpp_parse_expr, parse_escape, and lex.
8400 (parse_charconst): Remove broken multibyte support.
8401 * cppfiles.c (include_hash): Make static.
8402 (cpp_included): New function.
8403 (merge_include_chains, find_include_file, finclude,
8404 simplify_pathname): Rename to _cpp_merge_include_chains,
8405 _cpp_find_include_file, _cpp_read_include_file, and
8406 _cpp_simplify_pathname.
8407 * cpphash.c (cpp_lookup, free_definition, delete_macro,
8408 cpp_install, create_definition, macroexpand, compare_defs,
8409 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
8410 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
8411 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
8412 * cppinit.c (cpp_handle_option): Rename to handle_option, make
8414 * cpplib.c: Remove extern prototype of cpp_parse_expr.
8416 * cpphash.h: Update prototypes.
8417 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
8419 2000-03-07 Andrew Haley <aph@cygnus.com>
8421 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
8422 PTRDIFF_TYPE should be based solely on Pmode.
8425 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8427 * rtl.h (rtunion_def): Constify member `rtstr'.
8428 (emit_line_note_after, emit_line_note, emit_line_note_force,
8429 emit_note, decode_asm_operands): Constify.
8431 * cse.c (canon_hash): Likewise.
8433 * dbxout.c (dbxout_block): Likewise.
8435 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
8436 v_warning_for_asm): Likewise.
8438 * dwarfout.c (function_start_label): Likewise.
8440 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
8441 emit_line_note_force): Likewise.
8443 * final.c (last_filename, asm_insn_count, final_scan_insn,
8444 output_source_line): Likewise.
8446 * function.h (struct emit_status): Likewise.
8448 * gcse.c (hash_expr_1): Likewise.
8450 * genattr.c (gen_attr, main): Likewise.
8452 * genattrtab.c (struct function_unit, current_alternative_string,
8453 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
8454 attr_numeral, check_attr_test, check_attr_value,
8455 convert_set_attr_alternative, convert_set_attr,
8456 compute_alternative_mask, simplify_by_exploding, gen_attr,
8457 gen_unit): Likewise.
8459 * genflags.c (gen_insn): Likewise.
8461 * gengenrtl.c (type_from_format): Likewise.
8463 * genopinit.c (gen_insn): Likewise.
8465 * genoutput.c (n_occurrences, process_template, process_template):
8468 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8471 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
8474 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
8475 ggc_set_mark, ggc_get_size): Likewise.
8477 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
8479 * optabs.c (init_one_libfunc): Likewise.
8481 * output.h (assemble_start_function): Likewise.
8483 * recog.c (decode_asm_operands): Likewise.
8485 * toplev.c (rest_of_compilation): Likewise.
8487 * tree.h (emit_line_note_after, emit_line_note,
8488 emit_line_note_force): Likewise.
8490 * varasm.c (asm_output_bss, asm_output_aligned_bss,
8491 asm_emit_uninitialised, assemble_start_function,
8492 assemble_variable, const_hash, compare_constant_1,
8493 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
8495 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
8497 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
8499 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
8501 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
8503 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
8504 arm_dllimport_name_p): Likewise.
8506 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
8509 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
8511 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8513 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
8514 arm_mark_dllexport, arm_mark_dllimport,
8515 arm_pe_encode_section_info): Likewise.
8517 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
8518 ASM_FINISH_DECLARE_OBJECT): Likewise.
8520 * arm/thumb.c (thumb_function_prologue): Likewise.
8522 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
8524 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8526 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
8528 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
8530 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8532 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8534 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
8535 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
8537 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
8539 * i386/i386.c (asm_output_function_prefix): Likewise.
8541 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
8543 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8545 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
8547 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
8548 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
8549 ASM_OUTPUT_SECTION_NAME): Likewise.
8551 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
8553 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
8555 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
8557 * m32r/m32r.c (m32r_encode_section_info): Likewise.
8559 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8561 * mcore/mcore.c (mcore_encode_section_info): Likewise.
8563 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8565 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8567 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8569 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
8571 * mips/mips.md (movdi, movsi): Likewise.
8573 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8575 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8577 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8579 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8580 ASM_OUTPUT_ASCII): Likewise.
8582 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
8583 output_mi_thunk, output_toc): Likewise.
8585 * rs6000/rs6000.md (movsi): Likewise.
8587 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
8589 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
8591 * v850/v850.c (print_operand, print_operand_address,
8592 v850_encode_data_area): Likewise.
8594 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
8596 * config/mips/mips.md (zero_extendsidi2): Always force operand
8597 one to memory for mips16.
8599 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8601 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
8602 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
8603 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
8604 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
8605 (min_precision): Result is unsigned.
8606 (add_double, neg_double, mul_double): Low word is unsigned.
8607 (lshift_double, rshift_double, lrotate_double): Likewise.
8608 (rrotate_double, div_and_round_double): Likewise.
8609 (tree_floor_log2, compare_tree_int): New functions.
8610 (preserve_rtl_expr_temps): New declaration.
8611 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
8612 (decl_attributes): Use tree_log2 to find alignment.
8613 Check for TREE_INT_CST_HIGH for format args.
8614 (min_precision): Now unsigned.
8615 Use tree_floor_log2.
8616 (truthvalue_conversion): Delete long-disabled code.
8617 * c-decl.c (finish_struct): Clean up tests on field width.
8618 (finish_function): Use compare_tree_int.
8619 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
8620 * c-typeck.c (comptypes): Use tree_int_cst_equal.
8621 (default_conversion, digest_init): Use compare_tree_int.
8622 (build_binary_op): Use integer_all_onesp and compare_tree_int.
8623 Fix type errors in forming masks.
8624 * calls.c (initialize_argument_information): Use compare_tree_int.
8625 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8626 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
8627 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
8628 (store_field): Use compare_tree_int.
8629 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
8630 (expand_expr, case ARRAY_REF): Use compare_tree_int.
8631 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
8632 (do_store_flag): Use compare_tree_int.
8633 * fold-const.c (encode, decode): Low part is always unsigned.
8634 (force_fit_type, add_double, neg_double, mul_double): Likewise.
8635 (lshift_double, rshift_double, lrotate_double): Likewise.
8636 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
8637 (fold_convert): Use compare_tree_int.
8638 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
8639 (invert_truthvalue, case INTEGER_CST): Likewise.
8640 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
8641 * mkdeps.c (deps_dummy_targets): Make I unsigned.
8642 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
8643 (lshift_double, rshift_double, lrotate_double, rrotate_double):
8645 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
8646 (expand_end_case): Use compare_tree_int.
8647 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
8648 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
8649 (layout_decl): Likewise.
8650 (layout_record, layout_union): Make sizes unsigned.
8651 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
8652 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
8653 * tree.c (struct type_hash): hashcode is unsigned.
8654 (build_type_attribute_variant, type_hash_list): Likewise.
8655 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
8656 (attribute_hash_list, build_array_type, build_method_type): Likewise.
8657 (build_complex_type): Likewise.
8658 (real_value_from_int_cst): Remove unneeded casts.
8659 (integer_all_onesp): Add casts.
8660 (tree_floor_log2, compare_tree_int): New functions.
8661 (build_index_type): Use tree_int_cst_sgn.
8662 * varasm.c (assemble_variable): Use compare_tree_int.
8664 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
8666 * cpphash.c (collect_expansion): Also catch ## at start of macro.
8668 * varasm.c (make_decl_rtl): Don't add a number to members of
8670 (make_function_rtl): Likewise.
8672 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8674 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
8675 patch from 2000-01-28.
8677 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
8679 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
8680 filled with an insn from the jump target.
8682 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8684 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
8685 (c4x_external_ref): Likewise.
8686 * config/c4x/c4x.c (struct name_list): Likewise.
8688 1999-12-16 Ben Collins <bcollins@debian.org>
8690 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
8691 argument to genmultilib.
8692 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
8693 the contents into the multilib.h header.
8694 * gcc.c: Declare multilib_exclusions for the specs file.
8695 (set_multilib_dir): Use it.
8696 (print_multilib_info): Likewise.
8697 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
8698 to pass to genmultilib.
8700 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8702 * builtins.c (built_in_class_names, built_in_names): Constify a
8705 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
8707 (_mcleanup): Ensure value matches format specifier in sprintf.
8709 * cpphash.c (special_symbol): Don't needlessly cast away
8712 * cppinit.c (base_name): Delete unused prototype.
8714 * mkdeps.c (deps_init): Make definition K&R safe.
8716 * tree.h (built_in_class_names, built_in_names): Constify a
8719 2000-03-06 Jakub Jelinek <jakub@redhat.com>
8721 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
8722 floating point instructions for epilogue delay.
8724 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
8725 to gas if it supports .register pseudo.
8727 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
8728 LONG_DOUBLE_TYPE_SIZE if not defined.
8729 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
8730 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
8732 * gengenrtl.c: Likewise.
8733 * print-rtl.c: Likewise.
8735 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
8736 MASK_LONG_DOUBLE_128.
8737 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
8738 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
8739 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
8740 (SUBTARGET_SWITCHES): Define.
8741 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
8742 with -mlong-double-128.
8743 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8744 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8745 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8746 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
8747 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
8748 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
8749 with -mlong-double-128.
8750 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
8751 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
8752 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
8753 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
8754 TARGET_LONG_DOUBLE_128): Define.
8755 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
8756 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
8757 long double on TARGET_ARCH64.
8759 2000-03-06 Mark Mitchell <mark@codesourcery.com>
8761 * function.c (free_temps_for_rtl_expr): Don't free slots
8762 that have been pushed into a higher level.
8765 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8767 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8769 * basic-block.h (ALLOCA_REG_SET): Remove.
8770 (INITIALIZE_REG_SET): New macro.
8771 * flow.c (update_life_info): Use it.
8772 (calculate_global_regs_live): Likewise.
8773 (propagate_block): Likewise.
8774 * global.c (build_insn_chain): Likewise.
8775 * haifa-sched.c (schedule_region): Likewise.
8777 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
8779 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
8780 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
8781 (DWARF_ARANGES_PAD_SIZE): New define.
8782 (output_aranges): Use it to pad the address range header.
8783 (DWARF_ROUND): Fix for non power of 2 rounding.
8785 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
8787 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
8789 2000-03-05 Mark Mitchell <mark@codesourcery.com>
8791 * tree.def (RTL_EXPR): Update documentation.
8792 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
8793 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
8794 * function.c (preserve_rtl_expr_temp): New function.
8795 (preserve_rtl_expr_temps): Likewise.
8796 (preserve_rtl_expr_result): Use it.
8799 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8801 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
8803 * regmove.c (copy_src_to_dest) Do not create src->dest move
8804 for unchanging destination.
8806 2000-03-04 Mark Mitchell <mark@codesourcery.com>
8808 * function.h (struct sequence_stack): Remove rtl_expr.
8809 (struct emit_staus): Likewise.
8810 (seq_rtl_expr): Remove.
8811 * tree.h (free_temps_for_rtl_expr): Don't declare.
8812 (start_sequence_for_rtl_expr): Likewise.
8813 * rtl.h (preserve_rtl_expr_result): Likewise.
8814 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
8815 (start_sequence_for_rtl_expr): Remove.
8816 (push_topmost_sequence): Don't save sequence_rtl_expr.
8817 (pop_topmost_sequence): Remove comment about not restoring it.
8818 (end_sequence): Don't set seq_rtl_expr.
8819 (init_emit): Don't initialize it.
8820 (mark_sequence_stack): Don't mark it.
8821 (mark_emit_status): Likewise.
8822 * except.c (protect_with_terminate): Use
8823 start_sequence_for_rtl_expr, not start_sequence.
8824 * expr.c (expand_expr, case RTL_EXPR): Don't call
8825 preserve_rtl_expr_result or free_temps_for_rtl_expr.
8826 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
8827 (preserve_rtl_expr_result): Remove.
8828 (free_temps_for_rtl_expr): Likewise.
8829 (pop_temp_slots): Likewise.
8830 (mark_temp_slot): Don't mark the rtl_expr.
8831 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
8832 start_sequence_for_rtl_expr.
8834 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
8836 * mkdeps.c, mkdeps.h: New files.
8837 * po/POTFILES.in: Add them.
8838 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
8839 (cpplib.o, cppinit.o): Depend on mkdeps.h.
8840 (mkdeps.o): New target.
8842 * cppfiles.c: Delete deps_output.
8843 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
8844 OBJECT_SUFFIX, and base_name.
8845 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
8847 (initialize_dependency_output): Use deps_init,
8848 deps_add_target, deps_calc_target, and deps_add_dep. Remove
8849 all the unnecessary string bashing.
8850 (cpp_finish): Use deps_write. Remove an unnecessary nesting
8852 * cpplib.c (do_include): Use deps_add_dep.
8853 * cpplib.h (struct cpp_reader): Replace deps_buffer,
8854 deps_allocated_size, deps_size, deps_column members with
8855 single pointer to a struct deps. Delete prototype of
8858 * cppinit.c: Fix thinko in previous patch.
8860 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8862 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
8863 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
8864 (mode_for_size_tree): New function.
8865 (layout_decl, layout_type): Call it and clean up BLKmode checks.
8866 * tree.h (mode_for_size_tree): New declaration.
8868 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
8870 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
8872 * stmt.c (is_body_block): Move...
8873 * dwarfout.c, dwarf2out.c: ...from here.
8874 * tree.h: Declare it.
8875 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
8876 * final.c (final_start_function): Do call remove_unnecessary_notes
8879 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8881 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
8883 * cpplib.h (_dollar_ok): New macro.
8884 (is_idchar, is_idstart): Use it.
8885 (IStable): Rename to _cpp_IStable. Declare it const if
8886 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
8887 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
8888 is_space): Update for renamed IStable.
8890 * cppinit.c: Delete all references to FAKE_CONST and CAT
8891 macros. Define init_IStable as empty macro if gcc >=2.7 or
8892 C99. Change TABLE() to ISTABLE and hardcode name of table.
8893 (cpp_start_read): Don't change the IStable based on
8896 * cpphash.c (unsafe_chars): Add pfile argument. All callers
8897 changed. Handle '$' for char1 correctly.
8898 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
8900 * cppexp.c (tokentab2): Make const.
8901 (cpp_lex): Make toktab const.
8902 * cppinit.c (include_defaults_array): Make const.
8903 (initialize_standard_includes): Make default_include const.
8905 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8907 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
8908 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
8909 (gen_decl_die): Likewise.
8910 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
8911 (output_decl): Likewise.
8913 * varasm.c (make_function_rtl): If we change the name used in the
8914 rtl, update DECL_ASSEMBLER_NAME accordingly.
8915 (make_decl_rtl): Likewise.
8917 * toplev.c (rest_of_compilation): Tweak formatting.
8919 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
8920 remove_unnecessary_notes.
8921 (debug_ignore_block): New fn.
8922 * toplev.h: Declare it.
8923 * emit-rtl.c (remove_unncessary_notes): Call it.
8924 * dwarf2out.c (dwarf2out_ignore_block): New fn.
8925 * dwarf2out.h: Declare it.
8926 * final.c (final_start_function): Don't call remove_unnecessary_notes
8927 if we did insn scheduling.
8929 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
8931 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
8932 * cpplib.h: Delete SET_CPP_PEDANTIC.
8934 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8936 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
8937 result is a RECORD_TYPE.
8939 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
8941 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
8943 2000-03-03 Richard Henderson <rth@cygnus.com>
8945 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
8946 addition over compliments over shifts.
8948 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8950 * reload1.c (reload_combine_note_use): Handle return register USEs.
8951 REG case: Handle multi-hard-register hard regs.
8953 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8955 * md.texi: Document use of '*' in insn pattern name.
8957 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
8959 * calls.c (special_function_p): operator new may not be malloc-like.
8961 * gcse.c (dump_hash_table): Really fix error in last change.
8963 2000-03-02 Denis Chertykov <denisc@overta.ru>
8965 * avr.c (print_operand): Use print_operand_address instead of
8967 * avr/libgcc.S: Cleanup code.
8969 2000-03-02 Richard Henderson <rth@cygnus.com>
8971 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
8973 2000-03-02 Mark Mitchell <mark@codesourcery.com>
8975 * tree.h (TYPE_ALIGN_UNIT): New macro.
8977 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
8979 * i386.c: (constant_call_address_operand): Reject CONST_INT.
8981 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
8983 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
8985 (SET_CPP_PEDANTIC): New macro.
8986 * cpplib.c (do_include): Don't bother checking system_header_p.
8987 (do_warning, do_ident, do_assert, do_unassert): Likewise.
8988 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
8990 * function.h (struct expr_status): Add x_arg_space_so_far.
8991 (arg_space_so_far): New macro.
8992 * expr.c (init_expr): Initialize it.
8993 * calls.c (emit_call_1): Reset it.
8994 (compute_argument_block_size, expand_call): Use it.
8995 (expand_call, store_one_arg): Increment it.
8997 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8999 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9002 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
9004 * cppfiles.c (cpp_read_file): New function.
9006 * cpphash.c (collect_expansion): Make sure to reset last_token
9007 to NORM when we hit a string. Handle trailing whitespace
9008 properly when the expansion is empty.
9009 (create_definition): Disable line commands while parsing the
9011 (dump_definition): If pfile->lineno == 0, output a line
9012 command ahead of the dump, and add a trailing newline.
9014 * cppinit.c (append_include_chain): Add fifth argument, which
9015 indicates whether or not system headers are C++ aware.
9016 (initialize_standard_includes): New function,
9017 broken out of read_and_prescan. Pass 'cxx_aware' value from
9018 the include_defaults_array on to append_include_chain.
9019 (dump_special_to_buffer): Const-ify char array.
9020 (builtin_array): Don't dump __BASE_FILE__.
9021 (cpp_start_read): Use cpp_read_file. Reorder code for
9022 clarity. Don't output line commands here for -D/-A/-U
9023 switches. Don't call deps_output for files included with
9024 -include or -imacros.
9026 * cpplib.c (do_define): Don't pay any attention to the second
9028 (cpp_expand_to_buffer): Disable line commands while scanning.
9029 (output_line_command): Work in the file buffer.
9030 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
9031 Fix formatting of comments. Prototype cpp_read_file.
9033 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9035 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
9036 reference the language-equivalent of sizetype.
9037 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
9038 * fold-const.c (size_binop, size_diffop): Put back checks.
9039 * gcse.c (dump_hash_table): Fix minor error in last change.
9040 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
9041 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
9044 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
9046 * calls.c (expand_call) Do not attempt to combine stack adjustments
9047 with inhibit_defer_pop set.
9049 2000-03-01 Mark Mitchell <mark@codesourcery.com>
9051 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
9052 the DECL_SIZE for a FIELD_DECL.
9054 2000-03-01 Bruce Korb <bkorb@gnu.org>
9056 * fixinc/inclhack.tpl: remove unused symlinks
9057 * fixinc/README: GCC Maintainer info
9058 * fixinc/inclhack.sh: regen
9059 * fixinc/fixincl.sh: regen
9061 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
9063 * cpphash.c (collect_expansion): Trim trailing white space
9064 from macro definitions, but don't go past the last insertion
9067 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
9069 * i386.md (mulqi3): New pattern.
9071 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
9073 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
9075 (struct cpp_reader): Add parsing_if_directive and
9076 parsing_define_directive flags.
9077 (struct cpp_options): Remove output_conditionals flag.
9078 (check_macro_name): Delete prototype.
9080 * cpphash.h (struct macrodef): Delete.
9081 (struct reflist): Separate from struct definition.
9082 (struct definition): Remove unused fields. Add column number.
9083 (create_definition): Returns a DEFINITION *. Takes a
9084 cpp_reader * and an int.
9086 * cpphash.c (SKIP_WHITE_SPACE): Delete.
9087 (PEEKC): Copy defn from cpplib.c.
9088 (rest_extension, REST_EXTENSION_LENGTH): Delete.
9090 (struct arglist): Simplify.
9091 (collect_expansion): Rewrite. Get tokens by calling
9092 cpp_get_token. Add more error checking.
9093 (collect_formal_parameters): New function, broken out of
9094 create_definition and reworked to use get_directive_token.
9095 (create_definition): All real work is now in collect_expansion
9096 and collect_formal_parameters. do_define handles finding the
9097 macro name. Return a DEFINITION, not a MACRODEF.
9098 (macroexpand): Replace bcopy with memcpy throughout. Replace
9099 character-at-a-time copy loop with memcpy and pointer increments.
9100 (compare-defs): d1->argnames / d2->argnames might be null.
9102 * cpplib.c (copy_rest_of_line): Delete function.
9103 (skip_rest_of_line): Do all the work ourselves.
9104 (skip_string): New function.
9105 (parse_string): Use skip_string.
9106 (get_macro_name): New function.
9107 (check_macro_name): Delete.
9108 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
9109 (cpp_skip_hspace): Use CPP_BUMP_LINE.
9110 (handle_directive): ICE if we're called on a macro buffer.
9111 (do_define): Determine macro name and type (funlike/objlike)
9112 here. Expunge all uses of MACRODEF.
9113 (cpp_push_buffer): Set line_base to NULL.
9114 (do_undef, read_line_number): Don't worry about getting a POP token.
9115 (eval_if_expression): Set/reset parsing_if_directive around
9116 cpp_parse_expr. Don't clear only_seen_white.
9117 (skip_if_group): Remove output_conditionals logic. Use
9119 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
9120 tokens under appropriate conditions.
9121 (cpp_unassert): Call do_unassert not do_assert. Oops.
9123 * cppexp.c (parse_defined): New function, break out of
9125 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
9126 ourselves, with cpp_defined.
9127 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
9129 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
9130 * gcc.dg/strpaste-2.c: New.
9132 2000-02-29 Mark Mitchell <mark@codesourcery.com>
9134 * fold-const.c (size_binop): Don't asert inputs are the same and
9135 have TYPE_IS_SIZETYPE set.
9136 (size_diffop): Likewise.
9138 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
9140 * dwarfout.c (output_block): Output abstract blocks even if they
9141 don't have TREE_ASM_WRITTEN set.
9143 * calls.c (emit_library_call): Check for null REG.
9145 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
9147 * c-decl.c (current_function_decl): Move to toplev.c.
9148 (init_decl_processing): Don't add current_function_decl as a ggc
9150 * dbxout.c (dbxout_symbol): Change return type to int.
9151 (dbxout_symbol_location, dbxout_syms): Likewise.
9152 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
9153 any locals. Use current_function_func_begin_label if set.
9154 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
9155 * dwarf2out.c (dwarf2out_begin_prologue): Set
9156 current_function_func_begin_label.
9157 * final.c (final_start_function): Reset it.
9158 * toplev.c (current_function_decl): Define it here.
9159 (current_function_func_begin_label): New variable.
9160 (main): Add both as ggc roots.
9161 * tree.h (current_function_func_begin_label): Declare.
9163 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9165 * gcse.c: Cleanups throughout: mostly white-space, but also
9166 some minor rearrangement of code.
9168 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
9170 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
9171 returns a PARALLEL. Use emit_group_load and use_group_regs
9173 (emit_library_call_value): Similarly.
9175 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
9176 * pa/quadlib.asm: Remove.
9177 * pa/quadlib.c: New file.
9179 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
9180 * configure: Rebuilt.
9182 2000-02-29 Philip Blundell <pb@futuretv.com>
9184 * config/arm/conix-elf.h: New file.
9185 * configure.in (arm*-*-conix*): New configuration.
9186 * configure: Regenerate.
9188 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
9190 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
9191 don't have TREE_ASM_WRITTEN set.
9193 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9195 * Eliminate DECL_FIELD_SIZE.
9196 * builtins.c (built_in_class_names, built_in_names): New variables.
9197 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
9198 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
9199 DECL_SIZE, not DECL_FIELD_SIZE.
9200 * print-tree.c (print_node): Remove code that prints extra blank
9201 lines in some cases.
9202 Properly handle inline and builtin function cases.
9203 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
9204 * tree.h (built_in_class_named, built_in_names): New declarations.
9205 (union tree_decl): Rename internal unions to u1 and u2 and change
9206 some of their components.
9207 Add new field built_in_class.
9208 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
9209 Reflect above changes.
9210 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
9211 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
9212 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
9213 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
9215 2000-02-28 Dmitri Makarov <dim@windriver.com>
9217 * extend.texi: Document ARM's support for long/short calls.
9219 * invoke.texi: Document ARM's -mlong-calls command line switch.
9221 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
9222 (arm_encode_call_attribute): Add prototype.
9223 (arm_set_default_type_attribute): Add prototype.
9224 (arm_strip_name_encoding): Add prototype.
9226 * config/arm/arm.c (arm_init_cumulative_args): replace
9227 initialisation og 'long_calls' field with initialisation of
9228 'call_cookie' field.
9229 (enum arm_pragma_enum): New enum.
9230 (arm_pragma_long_calls): New static variable.
9231 (arm_process_pragma): Also process "#pragma long_calls_off".
9232 (arm_valid_type_attribute_p): Accept short_call attribute.
9233 (arm_comp_type_attributes): Check long/short call attributes.
9234 (arm_encode_call_attribute): New function: Encode long_call
9235 or short_call attribute in function name.
9236 (arm_set_default_type_attributes): New function: Assign
9237 default attributes to newly defined type.
9238 (current_file_function_operand): New function: Return true if
9239 the symbol is a function which has already been compiled.
9240 (arm_is_longcall_p): New function: Return true if the
9241 indicated function should be called via a long call.
9242 (arm_get_strip_length): New function. Returns number of
9243 prefix characters to be stripped from a function's name.
9244 (arm_strip_name_encoding): New function. Strip prefix characters
9245 from a function's name.
9247 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
9249 (SHORT_CALL_FAG_CHAR): Define.
9250 (LONG_CALL_FAG_CHAR): Define.
9251 (ENCODED_SHORT_CALL_ATTR_P): Define.
9252 (ENCODED_LONG_CALL_ATTR_P): Define.
9253 (ARM_NAME_ENCODING_LENGTHS): Define.
9254 (STRIP_NAME_ENCODING): Define.
9255 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
9256 (ARM_ENCODE_CALL_TYPE): Define.
9257 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
9258 (ARM_DECLARE_FUNCTION_SIZE): Define.
9259 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
9261 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
9262 if a long call is needed.
9263 (call_value): Ditto.
9264 (call_symbol): Ditto.
9266 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
9267 ARM_DECLARE_FUNCTION_SIZE.
9269 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
9270 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
9271 (ARM_STRIP_NAME_ENCODING): Undefine.
9272 (STRIP_NAME_ENCODING): Undefine.
9273 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
9274 (ASM_DECLARE_FUNCTION_NAME): Ditto.
9275 (ASM_OUTPUT_COMMON): Ditto.
9276 (ASM_DECLARE_OBJECT_NAME): Ditto.
9278 * config/arm/pe.c (arm_dllexport_name_p): Check for
9280 (arm_dllimport_name_p): Ditto.
9281 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
9282 (arm_mark_dllimport): Ditto.
9284 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9286 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
9288 2000-02-28 Mark Mitchell <mark@codesourcery.com>
9290 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
9292 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
9294 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
9295 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
9296 NO_BUILTIN_WCHAR_TYPE is not defined.
9297 (CPP_WCHAR_TYPE): Delete.
9298 * cccp.c (main): Don't change wchar_type if cplusplus.
9299 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
9301 2000-02-28 Nick Clifton <nickc@cygnus.com>
9303 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
9305 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
9307 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
9308 (ASM_WEAKEN_LABEL): Define.
9310 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
9312 * expr.c (store_constructor): Do not emit USE.
9313 * rtl.h (stupid_life_analysis): Remove.
9315 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9317 * function.c (number_blocks): Reset next_block_index based on
9318 what debugging format is used, not what is defined.
9320 * lcm.c: Minor reformatting throughout.
9321 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
9323 * toplev.c (rest_of_compilation): Account for time in
9324 optimize_mode_switching.
9326 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
9327 if only marking labels.
9329 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
9331 * calls.c (expand_call): Attempt to combine stack adjustments with
9332 pending stack adjustments.
9334 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9336 * loop.c (reg_in_basic_block_p): Don't abort when falling through
9337 to the end of the function.
9339 2000-02-27 Mark Mitchell <mark@codesourcery.com>
9341 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
9343 * final.c (next_block_index): Remove.
9344 (max_block_depth): Likewise.
9345 (pending_blocks): Likewise.
9346 (init_final): Don't initialize them.
9347 (final_start_function): Don't set next_block_index. Set up
9349 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
9350 * function.h (number_blocks): New function.
9351 * function.c (get_block_vector): New function.
9352 (identify_blocks): Use it.
9353 (reorder_blocks): Set NOTE_BLOCK.
9354 (number_blocks): New function.
9355 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
9356 * tree.h (BLOCK_NUMBER): New macro.
9357 (tree_block): Add block_num field.
9358 * dbxout.c (next_block_number): Remove.
9359 (dbxout_init): Don't set it.
9360 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
9361 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
9363 * toplev.c (rest_of_compilation): Always call
9364 find_loop_tree_blocks. Fix indentation.
9365 * dwarf2out.c (next_block_number): Remove.
9366 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9367 to determine block numbers.
9368 (gen_inlined_subroutine_die): Likewise.
9369 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
9370 (decls_for_scope): Don't increment next_block_number.
9371 * dwarfout.c (next_block_number): Remove.
9372 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
9373 to determine block numbers.
9374 (output_inlined_subroutine_die): Likewise.
9375 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
9376 (output_decls_for_scope): Don't increment next_block_number.
9377 * sdbout.c (next_block_number): Remove.
9378 (sdbout_block): Use BLOCK_NUMBER.
9379 (sdbout_begin_block): Simplify.
9380 * xcoffout.c (next_block_number): Remove.
9381 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
9382 (xcoffout_begin_block): Don't set next_block_number.
9383 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
9386 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9388 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
9389 (expand_builtin_strcpy): Pass correct type to size_binop.
9390 (expand_builtin_strcmp): Likewise.
9391 Clean up conditional structure.
9392 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
9393 (complete_array_type): Don't use size_binop for MAXINDEX.
9394 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
9395 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
9396 (c_alignof): Use size_one_node.
9397 (build_unary_op): Pass arg of proper type to size_binop.
9398 (really_start_incremental_init, push_init_level): Use sizetype for
9399 constructor{,_bit,_unfilled}_index.
9400 (pop_init_label, output_init_element): Likewise.
9401 (output_pending_init_elements, process_init_element): Likewise.
9402 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
9403 * expr.c (store_expr): Use size_int.
9404 (store_constructor): Use proper types for size_binop args.
9405 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
9406 (expand_expr_unaligned): Likewise.
9407 (string_contant): Return object of sizetype.
9408 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
9409 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
9410 (ARGS_SIZE_TREE): Pass proper types to size_binop.
9411 * fold-const.c (int_const_binop): Refine when size_int is called.
9412 (fold_convert): Likewise.
9413 (size_int_wide): Rework to take KIND as arg, only take low order
9414 bits, handle new sizetype_tab datatype, and chain entries in
9416 (size_int_type_wide): New function.
9417 (size_binop): Validate types of arguments.
9418 (ssize_binop): Deleted.
9419 (size_diffop): New function.
9420 (extract_muldiv): Only fold division into multiplication for sizetypes.
9421 * function.c (assign_parms): Use size_diffop and make sure
9422 VAR field is of ssizetype; also pass proper type to size_binop.
9423 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
9424 (round_down): Deleted from here.
9425 * store-layout.c (sizetype_tab): Now an array.
9426 (sizetype_set, early_root_list): New variables.
9427 (variable_size): Use size_one_node.
9428 (round_up): Pass proper type to size_binop.
9429 (round_down): Moved to here and corrected as above.
9430 (layout_record): Pass proper arg types to size_binop.
9431 (layout_type): Likewise.
9432 If sizetype_set is zero, record the type just laid out.
9433 (make_unsigned_type): Don't call set_sizetype;
9434 (make_signed_type): Likewise; also, call fixup_signed_type.
9435 (initialize_sizetypes): New function.
9436 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
9437 set name of bitsizetype to "bit_size_type".
9438 Fix up type of sizes of all types made before call.
9439 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
9440 * tree.c (fix_sizetype): Deleted.
9441 (build_common_tree_nodes): Call initialize_sizetypes.
9442 (build_common_tree_nodes_2): Don't call fix_sizetype.
9443 * tree.h (TYPE_IS_SIZETYPE): New macro.
9444 (initialize_sizetype): New declaration.
9445 (enum size_type_kind): New type.
9446 (struct sizetype_tab): Deleted.
9447 (sizetype_tab): Now array; adjust sizetype macros.
9448 (size_diffop, size_int_type_wide): New functions.
9449 (size_int_wide): Change number of args and type; access macros changed.
9450 (ssize_int, sbitsize_int): New macros.
9451 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
9452 (ROUND_TYPE_SIZE_UNIT): New macro.
9454 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
9456 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
9458 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9460 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
9461 Mark as possibly unused.
9463 * cse.c (cse_insn): Delete dead code involving tablejump.
9464 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
9466 * Makefile.in (libcpp.a): Start by deleting it.
9468 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9470 * cpplib.h (enum file_change_code): Added rename_file.
9471 * cpplib.c (do_line): If a filename is given, set file_change to
9473 (output_line_command): If file_change is rename_file, always
9474 output a # directive with the file name.
9476 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
9478 2000-02-26 Mark Mitchell <mark@codesourcery.com>
9480 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
9481 when copying a PARM_DECL or RESULT_DECL.
9483 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9485 * fix-header.c (recognized_function): Also fix prototypes for
9486 functions taking "void".
9488 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9490 * reload1.c (do_output_reload): Check reg_reloaded_valid before
9491 looking at reg_reloaded_contents.
9493 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
9495 * Makefile.in (STMP_FIXINC): New toggle.
9496 (LIBGCC2_DEPS): Delete all references.
9497 (stmp-headers): Delete target. All references either deleted
9498 or changed to stmp-int-headers.
9499 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
9500 (LIBCPP_OBJS): Take out cppalloc.o.
9501 (cppalloc.o): Delete target.
9502 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
9503 (gen-protos, fix-header): Link with libiberty.a.
9504 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
9507 * configure.in: Remove refs to strerror.
9508 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
9509 * system.h: Take out strerror stanza.
9511 * cpperror.c (my_strerror): Delete function.
9512 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
9513 * cppmain.c (main): Call xmalloc_set_program_name first thing.
9514 * cppalloc.c: Delete file.
9515 * gen-protos.c: Don't provide xrealloc.
9517 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
9518 xstrerror throughout.
9520 2000-02-26 Bruce Korb <bkorb@gnu.org>
9522 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
9523 match for DOS headers, too.
9524 * fixinc/inclhack.sh,fixincl.x: Regenerate.
9526 2000-02-26 Geoff Keating <geoffk@cygnus.com>
9528 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
9529 is right for most ELF targets.
9530 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
9531 Let the default file use %U properly.
9532 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
9535 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
9538 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9540 * toplev.c (documented_lang_options): Correct spelling error.
9541 (decode_d_option, decode_f_option, main): Likewise.
9543 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
9545 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
9546 to tell assembler it is permitted to expand large constants.
9548 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
9550 * protoize.c: (AUX_INFO_SUFFIX): New macro.
9551 (aux_info_suffix): Use.
9552 (SAVE_SUFFIX): New macro.
9554 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
9555 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
9556 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
9558 * invoke.texi (Running Protoize): Update documentation.
9560 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
9562 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
9564 2000-02-25 John Wehle (john@feith.com)
9566 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
9568 2000-02-25 Anthony Green <green@cygnus.com>
9570 * toplev.c (rest_of_compilation): Rebuild jump labels if
9571 combine_instructions has created a new direct jump.
9572 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
9574 (combine_instructions): Call try_combine with new argument.
9575 Return non-null value when new direct jump instruction is created.
9576 * rtl.h: combine_instructions returns an int.
9578 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
9580 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
9581 jump when changing a computed jump into a jump to a known
9584 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
9586 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
9587 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
9589 * i386.md (define_expand "clrstrsi"): Fix typo.
9591 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
9593 * rtl.texi: Fix typo.
9595 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9597 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
9598 UNITS_PER_WORD. Change caller initial_elimination_offset.
9599 (rounded_frame_size): Take into account that argument pushed has
9600 changed. Fix TARGET_ALIGN_DOUBLE problem.
9602 2000-02-25 Geoff Keating <geoffk@cygnus.com>
9604 * haifa-sched.c (schedule_block): Explain the real reason
9605 we delete REG_SAVE_NOTEs on the first insn of a block.
9606 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
9608 2000-02-24 Mark Mitchell <mark@codesourcery.com>
9610 * input.h (push_srcloc): New function.
9611 (pop_srcloc): Likewise.
9612 * toplev.c (push_srcloc): Define it.
9613 (pop_srcloc): Likewise.
9615 2000-02-24 Richard Henderson <rth@cygnus.com>
9617 * flow.c (life_analysis): When collecting reg info, clear
9620 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9622 Fix bug exposed by reload.c no longer rounding the frame
9623 size to BIGGEST_ALIGNMENT:
9624 * sh.c (rounded_frame_size): New function.
9625 (sh_expand_prologue, sh_expand_epilogue): Use it.
9626 (initial_elimination_offset): Likewise.
9628 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9630 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
9631 * sh-protos.h (sh_need_epilogue): Declare.
9632 * sh.c (sh_need_epilogue_known): New static variable.
9633 (sh_need_epilogue): New function.
9634 (function_epilogue): Clear need_epilogue_known.
9635 * sh.md (return): Split into expander / insn pattern.
9636 Make the expander conditional on ! sh_need_epilogue ().
9638 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
9640 * machmode.h (get_mode_alignment): Declare.
9641 (GET_MODE_ALIGNMENT): Call it.
9642 * stor-layout.c (get_mode_alignment): New function. Make
9643 sure alignment is always power of 2.
9645 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9647 * i386.h: Remove useless definition of "I386" and misleading
9650 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9652 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
9653 under which TREE_PERMANENT will be set.
9654 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
9655 build1): Use TREE_SET_PERMANENT.
9656 * print-tree.c (print_node): Don't report value of
9657 TREE_PERMANENT if ggc_p is true.
9659 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
9660 decide whether to give a type a new alias set.
9661 * objc/objc-act.c (build_objc_string_object): Never copy the string.
9662 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
9663 of value of 'obstack'.
9666 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9668 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
9670 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9672 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
9673 * cpplib.c (cpp_get_token): Produce them.
9674 * cppexp.c (cpp_lex): Handle them.
9676 2000-02-23 Nick Clifton <nickc@cygnus.com>
9678 * config/arm/arm.c (arm_comp_type_attributes): Simply and
9679 comment tests on type attributes.
9681 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9683 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
9684 conform to documentation.
9685 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
9686 to check for special cases.
9687 * sh-protos.h (sh_loop_align): Declare.
9688 * sh.c (sh_loop_align): Define.
9690 2000-02-22 Andrew Haley <aph@cygnus.com>
9692 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
9693 (SIZE_TYPE): Is 32 bits when using -mgp32.
9694 (PTRDIFF_TYPE): Ditto.
9696 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9698 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
9700 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
9702 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
9703 BIGGEST_FIELD_ALIGNMENT a constant.
9705 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
9707 * dwarf2out.c (output_line_info): Put the marker for the end of
9708 the line number info at the actual end.
9709 (gen_struct_or_union_type_die): Use decl_function_context
9710 to check for local classes.
9711 * dwarfout.c (output_type): Likewise.
9713 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
9715 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
9716 for arguments with a mode, but no type.
9717 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
9718 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
9719 * pa/long_double.h: New file.
9720 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
9721 both have 128bit wide long doubles.
9722 * configure: Rebuilt.
9724 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9726 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
9728 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
9729 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
9730 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
9732 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
9734 * integrate.c (compare_blocks, find_block): Likewise.
9736 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
9738 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
9740 * stmt.c (stmt_status, set_file_and_line_for_stmt,
9741 expand_asm_operands): Likewise.
9743 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
9745 * predict.c (estimate_probability): Added the pointer heuristic to
9746 the collection of static branch predictors.
9748 2000-02-21 Catherine Moore <clm@cygnus.com>
9750 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
9751 * invoke.texi (-mfix7000): Document.
9753 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
9755 * diagnostic.c (init_output_buffer): Make it possible to output at
9756 least 32 characters if we're given a too long prefix.
9758 2000-02-20 Mark Mitchell <mark@codesourcery.com>
9760 * varasm.c (initializer_constant_valid_p): Call
9761 lang_expand_constant to simplify the constant.
9763 2000-02-20 Bruce Korb <bkorb@gnu.org>
9765 * fixinc/inclhack.def(stdio_va_list):
9766 typedef needs to be disabled.
9767 * fixinc/inclhack.sh: regen
9768 * fixinc/fixincl.x: regen
9770 2000-02-20 Geoff Keating <geoffk@cygnus.com>
9772 * print-rtl.c (print_rtx): Don't print addresses when
9773 flag_dump_unnumbered.
9775 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9777 * sparc.c (sparc_output_scratch_registers): Mark parameter with
9779 (sparc_va_arg, sparc_flat_output_function_prologue,
9780 sparc_flat_output_function_epilogue): Cast value to unsigned in
9782 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
9784 * sparc.md: Add default case in switch.
9786 2000-02-19 Richard Henderson <rth@cygnus.com>
9788 * c-typeck.c (add_pending_init): Don't abort for multiple
9789 fields at the same offset.
9790 (pending_init_member): Test the correct member.
9792 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9794 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
9796 (start_catch_handler) : Same.
9798 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
9800 * Makefile.in: Have flow.o depend on $(EXPR_H)
9802 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9804 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
9805 * c-decl.c (duplicate_decls, finish_enum): Likewise.
9806 (finish_decl): Remove -Wlarger-than code from here.
9807 * flags.h (id_clash_len): Now int.
9808 (larger_than_size): Now HOST_WIDE_INT.
9809 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
9810 Clean up checking to see if in table.
9811 (make_bit_field_ref): Remove extra parm to bitsize_int.
9812 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
9813 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
9814 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
9815 and for computing size of decl.
9816 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
9817 Move -Wlarger-than code to here.
9818 (layout_record): Remove extra arg to bitsize_int.
9819 Set TYPE_BINFO_SIZE_UNIT.
9820 (layout_union): Remove extra arg to bitsize_int.
9821 Use proper type for size of QUAL_UNION.
9822 (layout_type): Remove extra arg to bitsize_int.
9823 * toplev.c (id_clash_len): Now int.
9824 (larger_than_size): Now HOST_WIDE_INT.
9825 (decode_W_option): Clean up id-clash and larger-than- cases.
9826 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
9827 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
9828 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
9829 (struct tree_decl): New field size_unit.
9830 (size_int_wide): No HIGH operand; NUMBER is now signed.
9831 (size_int_2): Deleted.
9832 (size_int, bitsize_int): Don't use it and rework args.
9833 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
9835 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
9837 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
9839 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9841 * invoke.texi (Warning Options): Add an explanation of why
9842 you might want the -Wfloat-equal flag.
9844 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9846 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
9847 * cppinit.c (new_pending_define): Add cast to avoid warning.
9848 * expmed.c (extract_bit_field): Likewise.
9849 * flow.c (enum reorder_skip_type): New type.
9850 (skip_insns_between_blcok): New it.
9851 Rework to avoid warning about possibly undefined variable.
9852 * function.c (assign_parms): Make thisparm_boundary unsigned.
9853 * genrecog.c (write_switch): Cast XWINT result to int.
9854 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
9855 * mips-tfile.c (init_file): Make two versions of FDR intializer:
9856 one for MIPS and one for Alpha.
9857 (get_tag, copy_object): Add casts to avoid warnings.
9858 * optabs.c (init_one_libfunc): Cast NAME to (char *).
9859 * reload.c (find_reloads): Make TYPE enum reload_type.
9860 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
9861 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
9862 * varasm.c (compare_constant_1): Add cast to avoid warning.
9863 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
9865 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
9866 Cast switch operand of size to int.
9867 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
9868 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
9871 2000-02-18 Nick Clifton <nickc@cygnus.com>
9873 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
9874 anything for an alignment of zero.
9876 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
9877 anything for an alignment of zero.
9879 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
9881 * gcc.texi (Bug Reporting): Refer to bugs.html.
9882 (Bug Lists): Likewise.
9883 * system.h (GCCBUGURL): New preprocessor define.
9884 * rtl.c (fancy_abort): Use it.
9885 * gcc.c (main): Likewise.
9887 2000-02-18 Richard Henderson <rth@cygnus.com>
9889 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
9890 (life_analysis_1): Subsume into ...
9891 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
9892 Use update_life_info for the relaxation.
9893 (update_life_info): Update REG_BASIC_BLOCK for registers live on
9894 entry and regs_live_at_setjmp.
9895 (set_noop_p): Simplify.
9896 (notice_stack_pointer_modification_1): Renamed from s/_1//.
9897 (record_volatile_insns): Split into ...
9898 (delete_noop_moves): ... here,
9899 (notice_stack_pointer_modification): ... here,
9900 (insn_dead_p): ... and here.
9901 (propagate_block): Don't query INSN_VOLATILE.
9902 (mark_used_regs): Mind !PROP_REG_INFO.
9903 * toplev.c (rest_of_compilation): Call mark_constant_function here,
9904 not in life_analysis.
9906 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
9908 * loop.c (canonicalize_condition): New function,
9909 broken out of get_condition.
9910 (get_condition): Use it.
9911 * expr.h (canonicalize_condition): Prototype it.
9913 * tree.h (tree_int_cst_msb): Declare.
9914 * tree.c (tree_int_cst_msb): New function.
9916 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9918 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
9921 * invoke.texi (-fmessage-length=n): Document.
9923 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
9925 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
9927 2000-02-17 Mark Mitchell <mark@codesourcery.com>
9929 * function.c (thread_prologue_and_epilogue_insns): Put a line note
9932 2000-02-17 Nick Clifton <nickc@cygnus.com>
9934 * config/arm/thumb.c: Replace includes of system headers with
9935 #include "system.h".
9937 2000-02-16 Richard Henderson <rth@cygnus.com>
9939 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
9940 Add crtbeginS.o and crtendS.o.
9941 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
9942 (ENDFILE_SPEC): Use crtendS.o.
9943 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
9945 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
9946 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
9948 (__dso_handle): New variable.
9949 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
9950 bias to __CTOR_END__.
9952 2000-02-16 Richard Henderson <rth@cygnus.com>
9954 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
9956 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
9958 * longlong.h (__clz_tab): Declare as static to match definition.
9960 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
9962 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
9963 (XREF_FILE_NAME): Define.
9965 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
9966 (EH_FRAME_SECTION_ASM_OP): Define.
9967 (IDENT_ASM_OP): Define.
9968 (TEXT_SECTION_ASM_OP): Define.
9970 (CTORS_SECTION_ASM_OP): Define.
9971 (CTOR_SECTION_FUNCTION): Use it.
9972 (DTORS_SECTION_ASM_OP): Define.
9973 (DTOR_SECTION_FUNCTION): Use it.
9975 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
9977 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
9980 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
9981 debug_bb_n): New functions.
9982 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
9983 * basic-block.h: Prototype new functions.
9985 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
9987 * configure.in: Add support for avr target.
9988 * configure: Rebuilt.
9990 * invoke.texi: Add AVR invocation docs.
9991 * install.texi: Add information about AVR.
9992 * md.texi: Add AVR constraint letters description.
9993 * extend.texi: Add description for AVR specific attributes.
9995 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
9997 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
9999 2000-02-16 Nick Clifton <nickc@cygnus.com>
10001 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10002 (make_insn_raw): Move RTL check here.
10004 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10006 * version.c: Include gansidecl.h and version.h.
10008 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
10010 * configure.in (gcc_version): When setting, narrow search to
10011 lines containing `version_string'.
10013 * Makefile.in (mainversion): Likewise.
10014 (GCC_H): New variable.
10015 (gcc.h): Delete target.
10016 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
10017 (version.o): Depend on version.h.
10018 (dbxout.o): Don't depend on gcc.h.
10020 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
10021 Michael Meissner <meissner@cygnus.com>
10023 * md.texi (Simple Constraints): Add item about whitespace.
10024 * genoutput.c (strip_whitespace): New.
10025 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
10026 strip_whitespace for constraints.
10027 Test pointer using NULL, not 0.
10029 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10031 * cpplib.c (do_line): Pedwarn for #line > 32767.
10033 * c-lex.c (readescape): Warn about '\x', but do not reject it.
10035 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
10037 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
10038 to default cpp spec.
10039 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
10040 * cpp.texi: Document __GNUC_PATCHLEVEL__.
10043 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
10046 2000-02-15 Denis Chertykov <denisc@overta.ru>
10048 * configure.in: Add support for avr target.
10050 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10052 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
10053 (sh_addr_diff_vec_mode): Don't declare.
10054 * sh.c (sh_addr_diff_vec_mode): Delete.
10056 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10058 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
10060 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10062 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
10063 (smulsi3_highpart_i): Name.
10064 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
10065 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
10066 (smulsi3_highpart, umulsi3_highpart): Likewise.
10068 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
10069 correctly independent of endianness.
10070 (mulsidi3, umulsidi3): Now define_insn. Hide details that
10071 confuse the optimizers.
10072 (mulsidi3+1, umulsidi3+1): New define_split.
10074 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
10076 * config/sh/sh.md: Guard insn splits against illegal registers.
10077 * config/sh/sh.h: Correct comment about macros.
10079 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10080 Andrew MacLeod <amacleod@cygnus.com>
10082 * Makefile.in (lcm.o): Depend on insn-attr.h.
10083 * basic-block.h (optimize_mode_switching): Declare.
10084 * lcm.c (tm_p.h, insn-attr.h): #include.
10085 (seginfo, bb_info): New structs.
10086 (antic, transp, comp, delete, insert) : New file-scope static variables.
10087 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
10088 (reg_becomes_live, optimize_mode_switching): Likewise.
10089 * tm.texi: Add description of mode switching macros.
10090 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
10092 * sh-protos.h (remove_dead_before_cse): Remove prototype.
10093 (fldi_ok, fpscr_set_from_mem): New prototypes.
10094 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
10095 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
10096 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10097 (sh_flag_remove_dead_before_cse): Remove declaration.
10098 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
10099 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
10100 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
10101 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
10102 (barrier_align): Allow for JUMP_INSNS containing a parallel.
10103 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
10104 (fldi_ok): New function.
10105 (get_fpscr_rtx): Add fpscr_rtx as GC root.
10106 (emit_sf_insn): Only generate fpu switches when optimize < 1.
10107 (emit_df_insn): Likewise.
10108 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
10109 (sh_flag_remove_dead_before_cse): Delete.
10110 (get_free_reg, fpscr_set_from_mem): New functions.
10111 * sh.md (movdf, movsf): Remove no_new_pseudos code.
10112 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
10114 2000-02-15 Loren Rittle <ljrittle@acm.org>
10116 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
10118 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10120 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
10121 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
10123 * cccp.c: Include version.h and/or don't declare `version_string'.
10124 * collect2.c: Likewise.
10125 * alpha.c: Likewise.
10126 * arm/aof.h: Likewise.
10127 * arm/coff.h: Likewise.
10128 * arm/elf.h: Likewise.
10129 * arm/pe.h: Likewise.
10130 * arm/tcoff.h: Likewise.
10131 * arm/telf.h: Likewise.
10132 * arm/tpe.h: Likewise.
10133 * arm/vxarm.h: Likewise.
10134 * convex/convex.c: Likewise.
10135 * i386/dgux.c: Likewise.
10136 * i386/sun386.h: Likewise.
10137 * m88k/m88k.c: Likewise.
10138 * mcore/mcore-pe.h: Likewise.
10139 * mips/mips.h: Likewise.
10140 * romp/romp.h: Likewise.
10141 * sh/sh.c: Likewise.
10142 * cpphash.c: Likewise.
10143 * cppinit.c: Likewise.
10144 * dwarf2out.c: Likewise.
10145 * dwarfout.c: Likewise.
10148 * mips-tfile.c: Likewise.
10149 * protoize.c: Likewise.
10150 * toplev.c: Likewise.
10151 * tree.h: Likewise.
10153 * version.c (version_string): Constify a char*.
10155 * version.h: New file.
10157 2000-02-14 Nick Clifton <nickc@cygnus.com>
10159 * configure.in: Add mcore-elf and mcore-pe targets.
10160 * configure: Regenerate.
10162 * NEWS: Add note that MCore port has been contributed.
10164 * invoke.texi: Document command line switches for MCore port.
10165 * install.texi: Add MCore to list of supported targets.
10167 2000-02-14 Geoff Keating <geoffk@cygnus.com>
10169 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
10170 then we will need to import the frame handling functions.
10171 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
10172 to import the frames themselves.
10174 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
10175 Jason Eckhardt <jle@cygnus.com>
10177 * basic_block.h: Added prototype for reorder_basic_blocks.
10178 * toplev.c: Changes to add -freorder-blocks and graph dump after
10179 block reordering is done.
10180 * flow.c (reorder_block_def): New structure for use during block
10182 (REORDER_BLOCK_*): New macros to access members of above structure.
10183 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
10184 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
10185 functions for block reordering.
10187 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
10189 * gcc.texi (Passes): Fix typo.
10190 * md.texi (Standard Names): Ditto.
10191 * tm.texi (Storage Layout): Ditto.
10193 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10195 * cpplib.c (do_define): Only free the old definition if it
10198 2000-02-13 Neil Booth <NeilB@earthling.net>
10200 * cppfiles.c (read_and_prescan): When emitting deferred
10201 newlines, test speccase[] again instead of checking each
10202 possible whitespace character in turn. When we encounter \r,
10203 look behind for \n first, then ahead.
10205 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
10207 * cse.c (cse_altered): New internal flag.
10208 (cse_insn): Set it if we changed an insn.
10209 (cse_main): Clear cse_altered before each basic block.
10210 Only garbage collect if cse_altered is true afterward.
10212 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10214 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
10216 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
10218 * combine.c (simplify_comparison): Fix typo.
10220 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
10222 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
10225 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10227 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
10228 previously inserted node instead of root node. Caller changed.
10230 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10232 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
10234 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
10237 __dereg_frame_dtor): Add prototype argument.
10239 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
10241 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
10243 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
10245 * gthr-vxworks.h (__gthread_once): Likewise.
10247 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
10249 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
10251 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
10252 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
10253 stack pointer in functions w/o saved registers, output LEAVE more often
10254 on TARGET_USE_LEAVE machines.
10256 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
10258 * config/arm/arm.c (arm_init_cumulative_args); New function:
10259 Initlaise the CUMULATIE_ARGS strcuture for a function
10261 (arm_function_arg): New function: Determine where to place a
10262 function's argument. Also handles deciding the function's
10264 (current_file_function_operand): New function: Return true if
10265 the symbol is a function which has already been compiled.
10266 (arm_is_long_call_p): New function: Return true if the
10267 indicated function should be called via a long call.
10268 (arm_valid_type_attribute_p): New function: Return true if the
10269 attribute is a valid, arm specific, attribute.
10270 (arm_comp_type_attribute): New function: Return true if the
10271 two types have compatable, arm specific, attributes.
10273 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
10275 (FUNCTION_ARG): Redefine to call arm_function_arg.
10276 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
10278 (INIT_CUMULATIVE_ARGS): Redefine to call
10279 arm_init_cumulative_args.
10280 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
10282 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
10284 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
10286 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
10287 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
10288 (COMP_TYPE_ATTRIBUTES): Define.
10290 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
10291 if a long call is needed.
10292 (call_value): Call arm_is_long_call_p to decide if a long call
10294 (call_symbol): Call arm_is_long_call_p to decide if a long call
10297 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
10299 2000-02-11 Denis Chertykov <denisc@overta.ru>
10301 * README.AVR: New file with information about the avr ports.
10302 * config/avr: New directory with avr port files.
10304 2000-02-11 Andreas Jaeger <aj@suse.de>
10306 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
10308 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
10310 * cpphash.c: Fix formatting, update commentary.
10311 (dump_definition): Take three separate arguments instead of a
10312 MACRODEF structure argument.
10313 * cpphash.h: Update prototype of dump_definition.
10314 * cppinit.c (cpp_finish): Update call of dump_definition.
10316 * cpplib.c (do_define): Always create new hash entry with
10317 T_MACRO type. Remove redundant check for redefinition of
10318 poisoned identifier. Update call of dump_definition.
10319 (do_undef): Don't call check_macro_name. Rename sym_length to
10321 (do_error, do_warning): Don't use copy_rest_of_line or
10323 (do_warning): Don't use pedwarn for the actual warning,
10324 only the notice about its not being in the standard. (Fixes
10325 bug with #warning in system headers.)
10326 (do_ident): Stricter argument checking - accept only a single
10327 string after #ident. Also, macro-expand the line.
10328 (do_xifdef): Use cpp_defined. De-obfuscate.
10330 (do_pragma): Split out specific pragma handling to separate
10331 functions. Use get_directive_token. Update commentary. Do
10332 not pass on #pragma once or #pragma poison to the front end.
10333 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
10334 do_pragma_default): New.
10336 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
10338 * jump.c (jump_optimize_1): The first operand in a relational
10339 can be a CONST_INT.
10340 * optabs.c (emit_conditional_move): Handle relationals which
10341 have a known true/false result.
10343 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10345 * function.c (thread_prologue_and_epilogue_insns): Don't insert
10346 a RETURN insn into a block which already ends with a jump.
10348 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10350 * haifa-sched.c (BUF_LEN): Increase a lot.
10352 2000-02-11 Nick Clifton <nickc@cygnus.com>
10354 * configure.in: Add tm_p_file specification for thumb targets.
10355 * configure: Regenerate.
10357 * config/arm/thumb-protos.h: New file: Prototypes for exported
10358 functions defined in thumb.c.
10360 2000-02-11 Robert Lipe <robertl@sco.com>
10362 * Makefile.in (bootstrap-lean): Remove additional files.
10363 (bootstrap2-lean): Likewise.
10364 (VOL_FILES): List of files for above.
10366 2000-02-11 Nathan Sidwell <nathan@acm.org>
10368 * cpphash.c (special_symbol): Remove spurious argument to
10371 2000-02-11 Joel Sherrill (joel@OARcorp.com>
10373 * configure.in: (i*86-*-rtems*): Swapped elf and coff
10375 * configure: Rebuilt.
10377 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
10379 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
10381 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
10383 * pa.c, pa.h: Remove trigraph sequences within comments.
10385 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
10387 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
10389 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
10391 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
10393 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10395 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
10397 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10399 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
10400 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
10401 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
10402 (ASM_FILE_END): Use c4x_file_end.
10403 * config/c4x/c4x.c (c4x_global_label): New function.
10404 (c4x_external_ref, c4x_file_end): Likewise.
10406 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
10407 (c4x_external_ref, c4x_end_file): Likewise.
10409 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
10411 * cppexp.c: Don't include cpphash.h.
10412 (parse_charconst, cpp_lex): Use cpp_defined.
10413 (cpp_lex): Use get_directive_token throughout. Remove
10414 unnecessary cases from switch. Move assertion-handling code
10415 down to OTHER case.
10416 (cpp_parse_expr): If we see '+' or '-', check the context to
10417 determine if they are unary or binary operators. Streamline
10418 the jumps a bit. Do not call skip_rest_of_line.
10420 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
10421 static. Export get_directive_token. Update commentary.
10422 (cpp_defined): New function.
10423 (do_define): Remove reference to T_PCSTRING. Call
10424 free_definition to release memory for old definition, when
10425 redefining a macro.
10426 (eval_if_expression): Set only_seen_white to 0 before calling
10427 cpp_parse_expr. Call skip_rest_of_line after it returns.
10428 (cpp_read_check_assertion): Don't preserve a pointer into the
10429 token buffer across a call to cpp_get_token.
10431 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
10432 * cppfiles.c (redundant_include_p): Use cpp_defined.
10433 * cpphash.c (free_definition): New function.
10434 (delete_macro): Use it. Update commentary.
10435 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
10437 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
10438 from enum node_type. Prototype cpp_defined and get_directive_token.
10439 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
10441 * fix-header.c (check_macro_names): Use cpp_defined.
10442 (read_scan_file): Set inhibit_warnings and inhibit_errors in
10443 the options structure.
10445 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10447 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
10449 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
10451 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
10452 rather than die->die_tag.
10454 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10456 * combine.c (make_extraction, force_to_mode): Avoid warning on
10457 mixed-signedness conditionals.
10458 (make_field_assignment, nonzero_bits): Likewise.
10459 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
10460 (store_split_bit_field, extract_split_bit_field): Likewise.
10461 (extract_fixed_bit_field, store_bit_field,
10462 * expr.c: Change alignment to be unsigned everywhere.
10463 (move_by_pieces, store_constructor_field, store_constructor):
10464 Alignment parm is unsigned.
10465 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10466 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10467 (do_compare_rtx_and_jump): Likewise.
10468 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
10469 Compare align with GET_MODE_ALIGNMENT.
10470 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
10471 (get_inner_reference): Likewise.
10472 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
10473 (expand_assignment): Local vars for alignment now unsigned.
10474 (store_constructor, store_field, expand_expr, do_jump): Likewise.
10475 (do_compare_and_jump): Likewise.
10476 (store_field): Call new function expr_align.
10477 * expr.h (emit_block_move, emit_group_load, emit_group_store):
10478 Alignment arg now unsigned.
10479 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
10480 (do_compare_rtx_and_jump, store_bit_field): Likewise.
10481 (extract_bit_field): Likewise.
10482 * fold-const.c (add_double): Add cast to eliminate signedness warning.
10483 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
10484 (get_best_mode): Alignment arg is unsigned.
10485 * rtl.h (move_by_pieces): Likewise.
10486 * store-layout.c (maximum_field_alignment, set_alignment):
10488 (layout_decl): Alignment arg is now unsigned.
10489 Remove unneeded casts.
10490 (layout_record, layout_union, layout_type): Remove unneeded casts.
10491 Local alignment variables now unsigned.
10492 (get_best_mode): Alignment arg now unsigned.
10493 * tree.c (expr_align): New function.
10494 * tree.h (expr_align): Likewise.
10495 (maximum_field_alignment, set_alignment): Now unsigned.
10496 (get_inner_reference): Alignment argument is now pointer to unsigned.
10497 * varasm.c (assemble_variable): Add cast to eliminate warning.
10499 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
10501 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
10502 then store directly into op0.
10504 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
10505 the CALL_INSN, and emit the note immediately after it.
10507 2000-02-10 Nick Clifton <nickc@cygnus.com>
10509 * config/arm/thumb.md (epilogue): Include a (return) in the
10510 generated insn, and emit it using emit_jump_insn not
10513 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
10515 * function.c (assign_temp): Change zero-sized arrays to size 1.
10516 * integrate.c (expand_inline_function): Do not update
10517 stack_alignment_needed
10518 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
10519 add some sanity checking, remove optimization for function with
10522 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10524 * flow.c (mark_regs_live_at_end): Delete unused variables.
10526 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
10528 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
10529 in macro FRAME_GROWS_DOWNWARD.
10531 * stmt.c (expand_end_bindings): Delete unused variable.
10533 * unroll.c (iteration_info): Mark parameter `loop' with
10536 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10538 * fixinc/server.c (load_data): Return NULL if the marker line is
10540 (run_shell): If load_data returns NULL, retry the command once, in
10543 * configure: Rebuilt.
10545 2000-02-09 Bruce Korb <bkorb@gnu.org>
10547 * gcc/fixincludes: ** DELETED **
10548 * gcc/fixcpp: ** DELETED **
10549 * gcc/fixinc-nt.sed: ** DELETED **
10550 * gcc/just-fixinc: ** DELETED **
10551 * gcc/Makefile.in: Removed out-dated commentary
10552 * gcc/configure.in: Removed fast-fixincludes disablement.
10553 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
10555 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10556 * function.c (thread_prologue_and_epilogue_insns): Uncomment
10559 2000-02-09 Richard Henderson <rth@cygnus.com>
10561 * jump.c (delete_insn): Don't delete user labels at -O0.
10563 2000-02-09 Robert Lipe <robertl@sco.com>
10565 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
10566 Don't link with HOST_LIBS.
10568 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10570 * configure.in: Correct --help text for --with-dwarf2.
10571 Put tm-dwarf2.h after other tm files, if it's requested.
10572 * configure: Regenerate.
10573 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
10576 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10578 * cpplib.h: Provide HASHNODE typedef and forward decl of
10579 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
10580 DEFINITION, struct hashnode, struct macrodef, struct
10581 definition, scan_decls prototype, default defn of
10582 INCLUDE_LEN_FUDGE moved elsewhere.
10584 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
10585 definition, and struct hashnode moved here. Remove the unused
10586 'predefined' field from struct definition. Replace the 'args'
10587 union with its sole member. All users updated (cpphash.c).
10588 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
10589 multiple include guard.
10591 * cpphash.c (hashf): Make static; use better algorithm; drop
10592 HASHSIZE parameter; return an unsigned int.
10593 (cpp_lookup): Drop HASH parameter. PFILE parameter is
10594 used. Calculate HASHSIZE modulus here.
10595 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
10597 (create_definition): Drop PREDEFINITION parameter.
10598 * cpplib.c (do_define): Don't calculate a hash value here.
10599 Don't pass (keyword == NULL) to create_definition.
10601 * scan.h: Prototype scan_decls here.
10602 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
10603 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
10604 callers of cpp_lookup and cpp_install updated.
10606 * cpphash.c (macarg): Hoist all the flag diddling out of the
10608 (macroexpand): ... and out of the loop that calls macarg.
10609 Skip over the initial paren before macro arguments with
10610 cpp_get_non_space_token; point may be some distance before
10611 that paren. Abort if it's not there.
10613 * cpplib.c (parse_clear_mark): Delete function.
10614 (parse_set_mark, parse_goto_mark): Make static.
10615 (ACTIVE_MARK_P): New macro.
10616 (skip_block_comment, skip_line_comment): Do not bump the line
10617 if ACTIVE_MARK_P is true.
10618 (cpp_pop_buffer): The buffer to be popped may not have an
10620 (cpp_get_token): When looking for the initial paren before
10621 macro arguments, only set a mark in a file buffer, Always
10622 return to that mark before proceeding to call macroexpand or
10623 return a NAME token.
10625 * cpplib.h: Remove prototypes of parse_set_mark,
10626 parse_clear_mark, parse_goto_mark.
10627 (struct cpp_options): Rename 'put_out_comments' to
10628 'discard_comments' and invert its sense.
10629 * cppinit.c, cpphash.c, cpplib.c: All users of
10630 put_out_comments changed to use discard_comments, with
10633 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10635 * function.c (thread_prologue_and_epilogue_insns): Don't delete
10636 the edge from a block that both jumps and falls through to the
10639 2000-02-09 Scott Bambrough <scottb@netwinder.org>
10641 * config/arm/arm.md (movsi): In PIC mode, make sure that a
10642 constant source address is legitimate.
10644 2000-02-09 Philip Blundell <pb@futuretv.com>
10646 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
10649 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
10651 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
10653 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
10655 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
10656 ends with a newline and a NUL. Don't be so clever manipulating
10659 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
10661 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
10662 not to BIGGEST_ALIGNMENT.
10664 2000-02-08 Geoff Keating <geoffk@cygnus.com>
10666 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
10667 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
10668 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
10669 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
10670 * frame.c (execute_cfa_insn): Handle
10671 DW_CFA_GNU_negative_offset_extended.
10673 2000-02-08 Richard Henderson <rth@cygnus.com>
10675 * flow.c (tidy_fallthru_edges): Split out from ...
10676 (delete_unreachable_blocks): ... here.
10677 (find_basic_blocks): Use it.
10679 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10681 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
10683 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
10685 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
10686 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
10687 (fix-header.o): Don't depend on cpphash.h.
10689 * scan.c (hashstr): New function.
10690 * scan.h: Prototype it.
10691 * fix-header.c: Don't include cpphash.h. Use hashstr.
10692 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
10693 hashstr. Report hash table statistics. Add private
10694 definition of xrealloc.
10696 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10698 * i386.h (TARGET_SWITCHES): Fix typo in option name.
10700 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
10702 * function.c (thread_prologue_and_epilogue_insns): Don't replace
10703 jumps with returns unless they are jumps to the fallthru block.
10705 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
10707 * i386.md (addqi3_cc): Fix contraints.
10709 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
10711 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
10713 2000-02-07 Mark Mitchell <mark@codesourcery.com>
10715 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
10716 carriage return after a macro name.
10718 2000-02-07 Fred Fish <fnf@be.com>
10720 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
10721 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
10723 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
10725 * cppfiles.c (deps_output): Count spacers in deps_column.
10727 2000-02-07 Neil Booth <NeilB@earthling.net>
10729 * cppinit.c (initialize_dependency_output): If there is no
10730 suffix, don't try to look for known suffixes. Use strrchr.
10731 (cpp_start_read): Remove duplicate initialization.
10733 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
10735 * calls.c (compute_argument_block_size): New argument
10736 preferred_stack_boundary.
10737 (expand_call): update cfun->preferred_stack_boundary, update call of
10738 compute_argument_block_size
10739 (emit_library_call): Increate cfun->preferred_stack_boundary
10740 to PREFERRED_STACK_BOUNDARY
10741 (emit_library_call_value): Likewise.
10742 * explow.c (allocate_dynamic_stack_spave): Likewise.
10743 * function.c (prepare_function_start): Set
10744 cfun->preferred_stack_boundary
10745 * function.h (struct function): Add preferred_stack_boundary field.
10746 * integrate.c (expand_inline_function): Update
10747 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
10748 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
10749 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
10751 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
10753 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
10754 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
10755 cpp_pedwarn, cpp_pedwarn_with_line,
10756 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
10757 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
10758 v_cpp_error_with_line, v_cpp_warning_with_line,
10759 cpp_message_from_errno, cpp_perror_with_name): Delete.
10761 * cpperror.c (cpp_print_containing_files): Take starting
10762 buffer as argument.
10763 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
10764 (v_cpp_message): Now called directly by all entry points.
10766 (cpp_pfatal_with_name, cpp_message): Delete.
10767 (cpp_notice_from_errno, cpp_ice): New functions.
10768 (cpp_notice): Is now for reporting error conditions, just
10769 without an associated file.
10770 (cpp_error, cpp_error_with_line): Don't do anything if
10771 opts->inhibit_errors is on.
10772 (cpp_pedwarn_with_file_and_line): Take column argument also.
10774 * cpplib.h: Update prototypes of exported functions.
10775 (struct cpp_options): Add inhibit_errors.
10777 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
10778 non-error messages. Include intl.h.
10780 * cppinit.c, cppmain.c: Likewise. Also, use
10781 cpp_notice_from_errno instead of cpp_perror_with_name or
10782 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
10784 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
10785 report internal errors.
10787 * cpplib.c (do_define): Switch bcopy to memcpy.
10788 Give cpp_pedwarn_with_file_and_line a dummy column argument.
10790 * cpplib.c (copy_rest_of_line): Revert previous change: don't
10791 bail out early if we hit a line comment.
10793 2000-02-06 Richard Henderson <rth@cygnus.com>
10795 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
10796 * basic-block.h: Declare them.
10797 * emit-rtl.h (active_insn_p): New.
10798 (next_active_insn, prev_active_insn): Use it.
10799 * rtl.h: Declare it.
10800 * function.c (emit_return_into_block): New.
10801 (thread_prologue_and_epilogue_insns): Insert return insns instead
10802 of epilogues when possible.
10803 * jump.c (jump_optimize_1): Remove code to insert a return insn
10804 on the fallthru to the exit block.
10806 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
10807 and for non-empty stack frames.
10808 * i386.md (return): Expand to return-pop as needed.
10810 2000-02-06 Richard Henderson <rth@cygnus.com>
10812 * simplify-rtx.c (simplify_relational_operation): Canonicalize
10813 constant to op1 for testing.
10815 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10817 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
10818 (fixuns_truncqfqi2): Use it.
10820 2000-02-06 Richard Henderson <rth@cygnus.com>
10822 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
10823 as a TYPE_LEA insn.
10825 * i386.md (widening and peepholes): Mask the constant instead of
10828 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10830 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
10831 input pointer before possibly branching off to the backslash
10833 * cpphash.c (macroexpand): Correctly delete \r escapes when
10834 stringifying parameters.
10835 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
10836 if we can; bail out early if we hit a line comment.
10837 (handle_directive): Treat '# 123' in an .S file just like
10838 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
10839 Return 1 for '# not_a_directive'.
10840 (get_directive_token): Pop macro buffers here, so that
10841 cpp_get_token can't sneakily move past a newline.
10843 (cpp_get_token): goto randomchar if handle_directive returns 0.
10845 * cppalloc.c: Update copyright.
10846 * cpplib.c: Merge all the static function prototypes into one
10848 * cpplib.h: Remove #if 0 block.
10850 * cpperror.c: Remove #ifdef EMACS block.
10851 * cppmain.c: Likewise.
10852 * cpphash.c: Remove #if 0 blocks.
10853 * cppinit.c: Remove #if 0 blocks, and the -lint option.
10854 * cpplib.c: Remove #if 0 blocks and code referencing
10855 pcp_inside_if or for_lint. Remove duplicate error message.
10856 Fix error messages for #else after #else or #elif. Reformat.
10857 Remove archaic TODO list.
10858 * cpplib.h: Remove pcp_inside_if and for_lint flags.
10860 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
10862 * i386/osf1elf.h: Add missing backslash to multiline string.
10864 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10866 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
10868 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10870 * Makefile.in (c-common.o): Depend on $(EXPR_H).
10872 * c-common.c: Include expr.h.
10874 * c-pragma.c (mark_align_stack): Add prototype.
10876 * caller-save.c (add_stored_regs): Likewise.
10878 * combine.c (record_promoted_value): Likewise.
10880 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
10883 * cppinit.c (new_pending_define): Likewise.
10885 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
10887 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
10888 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10889 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
10890 class_scope_p): Likewise.
10892 * dwarf2out.h (dwarf2out_set_demangle_name_func,
10893 dwarf2out_add_library_unit_info): Likewise.
10895 * ggc.h (ggc_page_print_statistics): Likewise.
10897 * haifa-sched.c (propagate_deps): Likewise.
10899 * reg-stack.c (next_flags_user, record_label_references): Likewise.
10901 * rtl.h (set_stack_check_libfunc): Likewise.
10903 * toplev.h (set_fatal_function): Likewise.
10905 * toplev.c (set_fatal_function): Delete prototype.
10907 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
10909 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10911 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
10912 (FUNC_END): Likewise.
10914 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10916 * caller-save.c: Include tm_p.h.
10918 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10920 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
10922 2000-02-04 Neil Booth <NeilB@earthling.net>
10924 * cccp.c (main): Check 'dir' for a NULL pointer before passing
10927 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
10929 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
10930 * genflags.c: Use the max_operand_1 logic from genemit.c to
10931 calculate how many arguments gen_insn prototypes have. Remove
10932 NO_MD_PROTOTYPES ifdefs from the generated file.
10933 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
10934 file. Cast gen_insn initializers to insn_gen_fn.
10935 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
10936 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
10938 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10940 * fixinc/Makefile.in (HDR): Add machname.h.
10943 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10945 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
10946 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
10947 (c4x_cpu_version): Ditto.
10948 * config/c4x/c4x-protos.h: ... here.
10950 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
10952 * dwarf2out.c (add_abstract_origin_attribute): Don't call
10953 gen_abstract_function on our context if we're a nested function.
10955 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10957 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
10958 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
10960 2000-02-04 Bruce Korb <bkorb@gnu.org>
10962 * fixinc/genfixes(machname.h):
10963 Move the functionality from gen-machine.h into this file.
10964 UNdef MN_NAME_PAT if there are no names to change.
10965 Also, be a little kinder when AutoGen is not present.
10967 * fixinc/Makefile.in(machname.h):
10968 Change the generation rule to use genfixes.
10970 * fixinc/fixfixes.c(machine_name):
10971 machine_name_fix's functionality now dependent upon whether
10972 MN_NAME_PAT is defined.
10974 * fixinc/fixtests.c(machine_name):
10977 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
10980 * fixinc/fixlib.h(mn_get_regexps):
10983 * fixinc/gen-machine.h: DELETED
10985 2000-02-04 Jan Hubicka <jh@suse.cz>
10986 Richard Henderson <rth@cygnus.com>
10988 * i386.c (SAVE_REGS_FIRST): Remove.
10989 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
10990 (ix86_compute_frame_size): Likewise.
10991 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
10992 (ix86_emit_restore_regs): Remove.
10993 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
10994 when a frame pointer is in use.
10995 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
10996 instead of pop to restore a register when profitable; emit leave
10998 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
10999 as a TYPE_LEA insn.
11000 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11001 * i386.md (prologue_allocate_stack): Remove.
11002 (epilogue_deallocate_stack): Remove.
11003 (pro_epilogue_adjust_stack): New.
11005 2000-02-04 Richard Henderson <rth@cygnus.com>
11007 * function.c (diddle_return_value): Rework to use a callback function.
11008 Use current_function_return_rtx if it's been set up.
11009 (do_clobber_return_reg, clobber_return_register): New.
11010 (do_use_return_reg, use_return_register): New.
11011 (expand_function_end): Use them.
11012 * stmt.c (expand_null_return): Likewise.
11013 * function.h: Declare them.
11014 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
11015 (mark_reg): Change arguments as appropriate for callback.
11016 * integrate.c (expand_inline_function): Revert 19 Jan change.
11018 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
11020 * tm.texi (Values in Registers): Fix typo: "fo" "for".
11021 (Misc): Say the scheduler, not the Haifa scheduler.
11023 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
11025 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
11026 when in_mem is set. Update all callers.
11028 2000-02-04 Richard Henderson <rth@cygnus.com>
11030 * i386/openbsd.h (INT_ASM_OP): Define.
11032 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
11034 * tm.texi: Fix various typos.
11036 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
11038 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
11039 (MD_STARTFILE_PREFIX_1): New macro.
11041 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
11043 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
11044 destination when needed.
11045 (strmovsi, strsetsi): New expander.
11046 (strmovsi_1, strsetsi_1): New pattern.
11047 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
11048 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
11049 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
11050 * invoke.texi (align-stringops, inline-all-stringops): Document.
11052 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
11054 * i386/netbsd.h (INT_ASM_OP): Define.
11056 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
11058 * cpplib.h (cpp_reader): Add new flag, no_directives.
11059 * cpphash.c (macarg): Set it.
11060 * cpplib.c (handle_directive): If no_directives is on and we
11061 find a directive, issue an error and discard the line.
11063 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
11065 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
11066 FP constants. Add ! TARGET_FPU check for FP constants.
11068 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
11070 * flow.c (find_basic_blocks): Don't kill label_value_list
11072 (cleanup_cfg): Kill it here.
11074 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11076 * expr.c (store_field): Ensure ALIGN is no stricter than the
11079 2000-02-02 Richard Henderson <rth@cygnus.com>
11081 * jump.c (delete_insn): Partially revert 19 Jan change;
11082 don't convert unused code labels to notes at -O0.
11084 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11086 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
11087 split_all_insns to recreate REG_LABEL notes for flow2 pass.
11089 2000-02-01 Richard Henderson <rth@cygnus.com>
11091 * i386.c (general_no_elim_operand): New.
11092 (nonmemory_no_elim_operand): New.
11093 (ix86_expand_move): Copy eliminable operands before a push.
11094 * i386-protos.h: Declare new functions.
11095 * i386.h (CAN_ELIMINATE): Simplify.
11096 (PREDICATE_CODES): Update.
11097 * i386.md (push insns): Don't allow eliminable register operands.
11099 2000-02-01 Richard Henderson <rth@cygnus.com>
11101 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
11102 replace BLKmode with DECL_RTL's mode.
11104 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
11106 * frame.c (find_fde): Convert for loop to do-while so compiler
11107 sees it's always executed at least once.
11108 * libgcc2.c (BBINBUFSIZE): Kill.
11109 (__bb_init_prg): Use fgets.
11110 (__bb_exit_trace_func): Don't paste strings.
11111 * unroll.c (unroll_loop): Initialize unroll_type, not
11112 unroll_number, and tweak logic to match.
11114 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
11116 (ix86_flags_dependant): Likewise. Disentangle control flow.
11117 (ix86_sched_reorder): Break guts out to
11118 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
11119 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
11122 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
11123 use string concatenation. Don't save and restore esi.
11125 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
11126 (machname.h): Remove script to separate file. Use two-step
11127 sequence so target is not created if script fails.
11128 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
11129 identifiers are defined.
11130 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
11131 an empty string, machine_name doesn't need to do anything at
11133 (is_cxx_header): Add more cases to regexp.
11134 * fixinc/fixlib.h: Update prototype.
11135 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
11137 * fixinc/fixincl.c: Define NO_BOGOSITY.
11139 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
11140 (hp_sysfile): Add missing comma.
11141 (math_exception): Put the wrapper ifdefs at the beginning and
11142 the end of the file.
11143 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
11145 2000-02-01 Richard Henderson <rth@cygnus.com>
11147 * sparc.c (fp_zero_operand): Turn into a normal predicate.
11148 Use CONST0_RTX. Update all callers.
11149 * sparc.h, sparc-protos.h: Update accordingly.
11150 * sparc.md (fp mov insns): Use fp_zero_operand directly
11153 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11155 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
11158 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11160 * Makefile.in (specs.ready): New target.
11161 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
11163 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11165 * fixinc.irix: Use unique filenames for writing into /tmp,
11166 * fixinc.ptx: Likewise.
11167 * fixinc.sco: Likewise.
11168 * fixinc.svr4: Likewise.
11169 * fixinc.winnt: Likewise.
11171 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11173 * tsystem.h: New file.
11175 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
11176 s-crtS): Depend on tsystem.h.
11178 * crtstuff.c: Include tsystem.h.
11179 * frame.c: Likewise.
11180 * libgcc2.c: Likewise.
11182 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
11184 * builtins.c (expand_builtin_memset): Expand for variable sized
11187 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
11189 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
11192 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11194 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
11196 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
11198 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
11200 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
11201 case 3->2 combining (combining with splitting) in which 2 is CC0
11202 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
11203 checked at the begining of the function with the aid of calling
11204 function 'can_combine_p'.
11206 2000-01-31 Dave Brolley <brolley@redhat.com>
11208 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
11210 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
11212 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
11215 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11217 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
11219 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
11222 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11224 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
11225 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
11226 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
11227 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
11228 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
11229 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
11230 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
11231 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
11232 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
11233 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
11235 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
11236 Add %(cpp_cpu) to CPP_SPEC.
11238 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
11239 Add %(cc1_cpu) to CC1_SPEC.
11241 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11243 * c-decl.c (c_decode_option): Accept optional numeric argument to
11244 -Wformat and set warn_format.
11245 * c-common.c: Don't emit warning about non-constant printf format
11246 string unless warn_format > 1.
11248 2000-01-30 Richard Henderson <rth@cygnus.com>
11250 * alpha.md (return_internal): Allow after reload only.
11252 2000-01-30 Richard Henderson <rth@cygnus.com>
11254 * i386.c (ix86_compute_frame_size): Omit padding1 if the
11255 local frame size is zero.
11257 2000-01-30 Richard Henderson <rth@cygnus.com>
11259 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
11260 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
11261 * alpha.md (return): Turn into an expander.
11262 (return_internal): Don't use $26.
11263 (epilogue): Emit the return insn.
11265 2000-01-30 Richard Henderson <rth@cygnus.com>
11267 * alpha.md (negtf2, abstf2): Fix word order thinko.
11268 (extendsftf2): New.
11269 (trunctfsf2): Avoid intermediate rounding errors.
11271 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
11273 * cppfiles.c (find_position): Drop 'colp' argument, return the
11275 (read_and_prescan): Adjust to match. Don't ever manipulate
11276 line or line_base except via find_position.
11278 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11280 * c-parse.in: Apply Ulrich's changes from c-parse.y.
11281 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
11284 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
11286 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
11287 just print "<command line>". If 'filename' is null or an
11288 empty string, print "<stdin>" for the filename.
11289 * cpplib.c (do_define): Don't print the 'location of the
11290 previous definition' message if we're still parsing the
11292 (cpp_pedwarn_with_file_and_line): Always call
11293 cpp_file_line_for_message.
11295 2000-01-29 Mark Mitchell <mark@codesourcery.com>
11297 * flow.c (mark_regs_live_at_end): Fix typo.
11299 2000-01-28 Ulrich Drepper <drepper@redhat.com>
11301 * c-common.c: Adjust variable names, comments, help strings to c99.
11302 * c-lex.c: Likewise.
11303 * c-parse.y: Likewise.
11304 * c-tree.h: Likewise.
11305 * cccp.c: Likewise.
11306 * cpplib.h: Likewise.
11307 * c-decl.c: Likewise. Recognize options with names "*99" as well.
11308 * cppinit.c: Likewise.
11310 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11312 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
11313 * c4x.c: Define the optab rtx values.
11314 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
11315 (c4x_emit_libcall): Use new optab rtx values.
11316 (c4x_emit_libcall3): Likewise.
11317 (c4x_emit_libcall_mulhi): Likewise.
11318 * c4x-protos.h: Add prototypes for optab rtx values and change
11319 prototypes for above c4x_emit_libcall functions.
11321 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11323 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
11325 (c4x_function_prologue): Use regnames intead of float_reg_names when
11327 (c4x_function_epilogue): Likewise.
11328 (c4x_print_operand): Likewise.
11329 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
11330 * c4x.md (set_high): Disable for TARGET_TI.
11332 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11334 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
11335 of framepointer + constant to ADDR_REGS class.
11336 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
11337 * c4x.c (std_or_reg_operand): New function.
11338 * c4x-protos.h (std_or_reg_operand): Prototype it.
11340 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11342 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
11343 object names as libgcc2.c.
11344 * libgcc.S: Use newly defined names.
11346 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
11347 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
11349 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
11350 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
11351 (FLOW_LOOP_LAST_BLOCK): Likewise.
11353 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11355 * basic-block.h (struct loop): New fields 'first' and 'last'.
11356 * flow.c (flow_loops_find): Compute loop->first and loop->last.
11357 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
11358 and loop->last to check for NOTE_INSN_LOOP_END.
11360 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
11362 * predict.c (estimate_probability): Use the new FIRST and LAST fields
11363 of the loop descriptor rather than HEADER and LATCH. Also added
11364 missing break statements as well making some coding style modifications
11365 as suggested by Michael Hayes.
11367 2000-01-28 Richard Henderson <rth@cygnus.com>
11369 * flow.c (find_basic_blocks): Remove do_cleanup argument.
11370 Break out that code ...
11371 (cleanup_cfg): ... here.
11372 (commit_one_edge_insertion): Detect a return instruction being
11373 emitted to an edge. Emit a barrier following; clear fallthru.
11374 (commit_edge_insertions): Verify CFG consistency.
11375 * function.c (expand_function_start): Kill unused variable.
11376 (expand_function_end): Likewise.
11377 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
11378 to insert the epilogue.
11380 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
11381 (delete_null_pointer_checks): Likewise.
11382 * output.h: Likewise.
11383 * reg-stack.c (reg_to_stack): Likewise.
11384 * toplev.c (rest_of_compilation): Likewise. Run
11385 thread_prologue_and_epilogue_insns after rebuilding the CFG.
11387 2000-01-28 Richard Henderson <rth@cygnus.com>
11389 * Makefile.in (flow.o): Revert 24 Jan change.
11390 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
11391 FUNCTION_VALUE result to DECL_RESULT's mode.
11393 * haifa-sched.c (schedule_insns): Don't recompute reg info
11396 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
11398 * configure.in: Make --enable-cpplib the default.
11399 * configure: Regenerate.
11400 * gcc.dg/990119-1.c: No longer expected to fail.
11402 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
11404 * jump.c (jump_optimize_1): Delete an optimization that is also done
11405 by merge_blocks in flow.
11407 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11409 * diagnostic.c (build_message_string, output_printf,
11410 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
11411 (build_location_prefix): Fix non-literal format string.
11413 2000-01-27 Richard Henderson <rth@cygnus.com>
11415 * alpha.md (trunctfsf2): New.
11417 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
11419 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
11421 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11423 * cppinit.c (cpp_handle_option): Recognize C++ comments under
11425 * cpplib.c (skip_block_comment, skip_line_comment): Split code
11427 (skip_comment) ... here. Permit C++ comments in system
11428 headers always. Warn about C++ comments in user code under
11429 -std=gnu89 -pedantic.
11430 (copy_comment): Use skip_comment.
11431 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
11433 (consider_directive_while_skipping, do_else, do_endif): Call
11434 validate_else unconditionally.
11435 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
11436 text after the conditional in a system header.
11437 * cpplib.h (struct cpp_buffer): Add flag
11438 warned_cplusplus_comments.
11440 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11442 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
11443 Use unshare_all_rtl_1.
11444 (unshare_all_rtl_again): New function.
11445 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
11447 * function.c (purge_addressof_1): Use unshare_all_rtl_again
11448 rather than resetting the 'used' flags ourself.
11450 * toplev.c (rest_of_compilation): Add current_function_decl
11451 to the unshare_all_rtl call.
11452 * tree.h: Prototype unshare_all_rtl.
11453 * rtl.h: Prototype unshare_all_rtl_again here.
11455 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
11457 * genoutput.c (output_prologue): Include ggc.h in generated
11459 * Makefile.in (insn-output.o): Depends on ggc.h.
11461 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
11462 Hans-Peter Nilsson <hp@bitrange.com>
11464 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
11465 Remove redundant include of xm-ns32k.h.
11466 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
11467 Remove redundant include of xm-ns32k.h.
11468 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
11469 Remove redundant include of xm-ns32k.h.
11470 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
11472 * ns32k/ns32k.h: Update comment on multiply-add instructions.
11473 (TARGET_SWITCHES): Add documentation strings.
11474 (DWARF_FRAME_REGNUM): Override default definition.
11475 (REG_CLASS_CONTENTS): Add comments.
11476 (SUBSET_P): Format to reduce line length.
11477 (SMALL_REGISTER_CLASSES): Make a run time option.
11478 (GO_IF_NONINDEXED_ADDRESS): Reformat.
11479 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
11480 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
11481 (regclass_map): fix typo in comment.
11482 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
11483 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
11484 (trace, reg_or_mem_operand): Delete, unused function.
11485 (calc_address_cost): Small offsets are cheaper than large ones.
11486 (expand_block_move): Generate more efficient code when bytes is a
11487 known at compile time.
11488 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
11489 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
11490 instead of reg_or_mem_operand.
11492 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
11493 not general_operand. Similarly use "=rm" or stricter, not "=g".
11494 For input operands, use stricter constraints than "g" if not
11495 general_operand. Similarly use stricter predicate than
11496 "general_operand" when stricter constraints than "g" are present,
11497 except for matching constraints.
11498 (movstrsi): Use "memory_operand" for operands 0 and 1.
11499 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
11500 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
11501 not reg_or_mem_operand.
11502 (udivmoddisi4): Ditto.
11503 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
11504 Use nonimmediate_operand for operand 3, not register_operand.
11505 (udivmoddiqi4_internal): Use register_operand for operand 1, not
11506 reg_or_mem_operand.
11508 2000-01-27 Fred Fish <fnf@be.com>
11510 * gthr-posix.h: Fix typo; compatibily -> compatibility.
11511 * gthr-single.h: Likewise.
11512 * gthr-solaris.h: Likewise.
11513 * gthr-vxworks.h: Likewise.
11514 * gthr-win32.h: Likewise.
11515 * gthr.h: Likewise.
11517 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
11519 * cppinit.c: Add " (cpplib)" to end of string printed by
11522 2000-01-27 Richard Henderson <rth@cygnus.com>
11524 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
11525 testing for a signed comparison.
11526 (alpha_emit_floatuns): New.
11527 * alpha-protos.h: Declare it.
11528 * alpha.md (floatunsdisf2, floatunsdidf2): New.
11529 (extendsfdf2): Tidy.
11531 2000-01-27 Jakub Jelinek <jakub@redhat.com>
11533 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
11534 no -g option specifying debugging format, default to -gstabs+.
11536 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11538 * calls.c (special_function_p): New argument fork_or_exec.
11539 (expand_call): When profile_arc_flag is set and the function
11540 is in the fork_or_exec group, call __bb_fork_func first.
11541 * libgcc2.c, _bb module (__bb_fork_func): New function.
11542 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
11544 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
11545 * tree.h (special_function_p): Update prototype.
11547 2000-01-26 Richard Henderson <rth@cygnus.com>
11549 * alpha.c (alpha_split_tfmode_pair): New.
11550 * alpha-protos.h: Declare it.
11551 * alpha.md (abstf2, negtf2): New.
11552 (movtf insn): Add input G constraint.
11553 (movtf splitter): Use alpha_split_tfmode_pair.
11555 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11557 * i386/cygwin.h: PROTO -> PARAMS.
11559 2000-01-26 Jakub Jelinek <jakub@redhat.com>
11561 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
11562 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
11563 using _Qp_cmp/_Q_cmp and testing the return value.
11564 (print_operand): Call reverse_condition_maybe_unordered if
11565 we are handling CCFPmode or CCFPEmode.
11566 Handle ORDERED, UN* and LTGT comparisons.
11567 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
11568 if not TARGET_HARD_QUAD.
11569 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
11570 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
11571 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
11572 Adjust gen_b* calls so that they reflect return comparison of
11573 sparc_emit_float_lib_cmp.
11575 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11577 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
11578 incoming operands array is large enough for one more operand.
11579 (alpha_emit_xfloating_arith): Likewise.
11581 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11583 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
11584 file with one line and no trailing newline.
11585 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
11586 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
11587 checking if the match is on the line.
11588 * fixinc/gnu-regex.c: Provide regerror not __regerror.
11590 2000-01-25 Richard Henderson <rth@cygnus.com>
11592 * sparc.c (output_cbranch): Fix accidental squashing of the
11593 fp branch pre-delay nop.
11595 2000-01-25 Richard Henderson <rth@cygnus.com>
11597 * tree.def (UNNE_EXPR): Remove.
11598 * c-typeck.c (build_binary_op): Don't handle it.
11599 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
11601 * rtl.def (UNNE): Remove.
11603 * jump.c (reverse_condition): Update accordingly.
11604 (swap_condition): Likewise.
11605 (comparison_dominates_p): Handle unordered comparisons.
11606 (reverse_condition_maybe_unordered): New.
11607 * rtl.h (reverse_condition_maybe_unordered): Declare.
11609 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
11610 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
11611 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
11612 * sparc.md (bltgt): New.
11614 2000-01-25 Nick Clifton <nickc@redhat.com>
11616 * emit-rtl.c (emit_insn): Only check machine class insns for
11617 improper emission of a RETURN.
11619 2000-01-25 Richard Henderson <rth@cygnus.com>
11621 * Makefile.in (flow.o): Depend on $(EXPR_H).
11622 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
11623 duplicate the structure of diddle_return_value for keeping regs live.
11625 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11627 * loop.c (current_loop_info): Delete.
11628 (consec_sets_invariant_p): Add loop argument, update callers.
11629 (get_condition_for_loop): Likewise.
11630 (count_nonfixed_reads, update_giv_derive): Likewise.
11631 (simplify_giv_expr, general_induction_var): Likewise.
11632 (consec_sets_giv, recombine_givs): Likewise.
11633 (move_movables): Delete loop_start and loop_end arguments,
11634 add loop argument, and update callers.
11635 (find_mem_givs, check_final_value): Likewise.
11636 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
11637 (loop_invariant_p): Rename from invariant_p, add loop argument, and
11639 (basic_induction_var): Add loop argument, delete loop_level argument,
11640 and update callers.
11641 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
11642 add loop argument, and update callers.
11643 (find_splittable_regs, find_splittable_givs): Likewise.
11644 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
11645 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
11646 (biv_total_increment): Delete loop_start and loop_end arguments;
11648 (precondition_loop_p): Delete loop_start and loop_info arguments;
11650 * loop.h (get_condition_for_loop): Add loop argument.
11651 (biv_total_increment): Delete loop_start and loop_end arguments.
11652 (precondition_loop_p): Delete loop_start and loop_info arguments;
11654 (final_biv_value): Delete loop_start and loop_end arguments;
11656 (final_giv_value, back_branch_in_range_p): Likewise.
11658 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11660 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
11662 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
11664 * Makefile.in (c-gperf.h) : Change the "See" pointer to
11665 point to the new "generated_files" doc.
11667 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11669 * config/fp-bit.c (_unord_f2): Fix typo.
11671 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11673 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
11674 c-typeck.c, objc/objc-act.c: Remove all references to obstack
11675 functions obsoleted by GC, such as push_obstacks_nochange,
11676 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
11677 and code which existed only to decide whether or not to call
11678 them. Remove now-unused NESTED argument from start_function;
11679 all callers changed. Do not change behavior based on ggc_p.
11680 The use of the ixp_obstack in c-iterate.c and the util_obstack
11681 in objc/objc-act.c remain; these are not obsoleted by garbage
11683 * c-tree.h: Update prototype for start_function.
11685 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
11687 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
11689 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
11692 2000-01-25 Richard Henderson <rth@cygnus.com>
11694 * sparc-protos.h (select_cc_mode): Declare.
11695 * sparc.c (select_cc_mode): New. Handle unordered compares.
11696 (output_cbranch): Always reverse via code change. Handle
11697 unordered compares. Factor tests and string updates.
11698 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
11699 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
11700 * sparc.md (bunordered, bordered): New.
11701 (bungt, bunlt, buneq, bunge, bunle): New.
11703 2000-01-25 Richard Henderson <rth@cygnus.com>
11705 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
11706 * ggc-common.c (ggc_add_rtx_varray_root): New.
11707 (ggc_mark_rtx_varray): New.
11708 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
11709 functions down below ggc_mark_foo.
11710 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
11712 2000-01-25 Richard Henderson <rth@cygnus.com>
11714 * alpha.c (secondary_reload_class): Don't allocate a secondary
11715 for integral mode memories into FLOAT_REGS. Rearrange the more
11716 complicated memory expression inward.
11718 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
11720 * inclhack.def: Fixes to play nicer with FreeBSD, and
11721 corrections to comments.
11722 (cxx_unready): Add select expression.
11723 (irix_sockaddr): Add bypass expression.
11724 (machine_ansi_h_va_list): New fix.
11725 (stdio_va_list): No need to edit _BSD_VA_LIST_.
11726 Split out addition of "#include <stdarg.h>" to...
11727 (stdio_stdarg_h): ... here.
11728 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
11729 to stdlib.h also. Do not munge _BSD_SIZE_T_.
11730 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
11732 (ultrix_ifdef): Tighten up select expression.
11734 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
11735 re_ct and max_mach to avoid use of shell. Make printed names
11736 match names in inclhack.def. Use static copyright date.
11737 Don't count c_test and test expressions as requiring regex_t
11738 slots. Add some commentary.
11739 * inclhack.tpl: Do not include the 'This script contains N
11740 fixup scripts' line if PROGRAM is defined. Use static
11743 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
11745 * dwarf2out.c: include "varray.h", not dyn-string.h.
11746 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
11747 (addr_const_to_string, addr_to_string): Lose.
11748 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
11749 (struct dw_val_struct): val_addr is now an rtx.
11750 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
11751 (used_rtx_varray): New varray.
11752 (dwarf2out_init): Initialize it.
11753 (save_rtx): New fn.
11754 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
11756 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
11757 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
11758 * Makefile.in (dwarf2out.o): Update dependencies.
11760 2000-01-24 Richard Henderson <rth@cygnus.com>
11762 * i386.c (i386_dwarf_output_addr_const): New.
11763 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
11765 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
11767 * dwarfout.c (output_mem_loc_descriptor): Likewise.
11768 * i386.c (i386_simplify_dwarf_addr): New.
11769 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
11771 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
11773 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
11774 TYPE_STUB_DECL is NULL.
11776 2000-01-24 Richard Henderson <rth@cygnus.com>
11778 * builtins.c (expand_tree_builtin): Move ...
11779 * c-common.c (expand_tree_builtin): ... here.
11781 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11783 * loop.h (LOOP_INFO): New accessor macro.
11784 * basic-block.h (struct loop): Rename field `info' to `aux'.
11785 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
11786 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
11787 * unroll.c (loop_iterations, unroll_loop): Likewise.
11789 2000-01-24 Christopher Faylor <cgf@cygnus.com>
11791 * config/i386/t-cygwin: Accomodate new winsup directory layout
11792 when searching for include files.
11794 2000-01-24 Richard Henderson <rth@cygnus.com>
11796 * rtl.def: Add unordered fp comparisions.
11797 * tree.def: Likewise.
11798 * tree.h: Add ISO C 9x unordered fp comparision builtins.
11800 * builtins.c (expand_tree_builtin): New function.
11801 * c-typeck.c (build_function_call): Use it.
11802 (build_binary_op): Support unordered compares.
11803 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
11805 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
11806 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
11807 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
11808 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
11809 * jump.c (reverse_condition): Don't abort for UNLE etc, but
11811 (swap_condition): Handle unordered compares.
11812 (thread_jumps): Check can_reverse before reversing.
11813 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
11816 * optabs.c (can_compare_p): New argument CODE. Verify branch or
11817 setcc is present before acking for cmp_optab. Update all callers.
11818 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
11819 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
11820 * expr.c (expand_expr): Likewise. Support unordered compares.
11821 (do_jump, do_store_flag): Likewise.
11822 * expr.h (enum libfunc_index): Add unordered compares.
11824 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
11825 (DPBIT_FUNCS): Add _unord_df.
11826 * config/fp-bit.c (_unord_f2): New.
11827 * fp-test.c (main): Try unordered compare builtins.
11829 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
11830 * alpha.c (alpha_comparison_operator): Check mode properly.
11831 (alpha_swapped_comparison_operator): Likewise.
11832 (signed_comparison_operator): Likewise.
11833 (alpha_fp_comparison_operator): New.
11834 (alpha_emit_conditional_branch): Handle unordered compares.
11835 * alpha.h (PREDICATE_CODES): Update.
11836 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
11837 (bunordered, bordered): New.
11839 2000-01-24 Richard Henderson <rth@cygnus.com>
11841 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
11842 * alpha.md (movtf): New expander, insn, and splitter.
11844 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
11846 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11849 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
11851 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
11852 (FIXED_REGISTERS, CALL_USED_REGISTERS,
11853 REG_ALLOC_ORDER): Add frame pointer
11854 (FRAME_POINTER_REGNUM): Set to 20
11855 (HARD_FRAME_POINTER_REGNUM): New macro.
11856 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
11857 to HARD_FRAME_POINTER.
11858 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
11859 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
11860 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
11861 (HI_REGISTER_NAMES): Add "frame".
11862 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
11863 (debug_reg): Handle FRAME_POINTER_REGNUM.
11864 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
11865 GENERAL_REGS and INDEX_REGS.
11866 * i386.c (SAVED_REGS_FIRST): new macro.
11867 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
11868 (ix86_decompose_address, memory_address_length): Likewise.
11869 (regclass_map): Add frame pointer.
11870 (call_insn_operand): Handle frame_pointer_rtx.
11871 (reg_no_sp_operand): Likewise.
11872 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
11873 (print_operand, legitimize_pic_address): Fix formating.
11874 (ix86_compute_frame_size): Make static, update prototype, new
11875 parameters padding1, padding2, use ix86_nsaved_regs, use
11876 stack_alignment_needed.
11877 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
11878 to HARD_FRAME_POINTER_REGNUM conversions.
11879 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
11880 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
11881 (print_reg): Abort on FRAME_POINTER_REGNUM
11883 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
11885 * i386.h (PREDICATE_CODES): Add aligned_operand.
11886 * i386.c (aligned_operand): New function.
11887 (ix86_aligned_p): Kill.
11888 * i386.md (movhi_1): Emit mov for aligned operands.
11889 (promoting peep2s): Use aligned_operand.
11891 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
11893 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
11894 expression to allow underscores in macro names.
11895 (fix_char_macro_defines): Increment scanning pointer.
11897 2000-01-23 Richard Henderson <rth@cygnus.com>
11899 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
11900 * alpha/osf5.h: New file.
11901 * configure.in (alpha-*-osf5): Add it to tm_file.
11903 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
11905 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
11906 (alpha_emit_xfloating_cvt, function_arg): Declare.
11907 * alpha.c (alpha_emit_conditional_branch): Call
11908 alpha_emit_xfloating_compare for TFmode compares.
11909 (alpha_lookup_xfloating_lib_func): New.
11910 (alpha_compute_xfloating_mode_arg): New.
11911 (alpha_emit_xfloating_libcall): New.
11912 (alpha_emit_xfloating_arith): New.
11913 (alpha_emit_xfloating_compare): New.
11914 (alpha_emit_xfloating_cvt): New.
11915 (print_operand): Add default abort case.
11916 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
11917 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
11918 (BIGGEST_ALIGNMENT): Increase to 128 bits.
11919 (RETURN_IN_MEMORY): True for TF/TCmode.
11920 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
11921 (FUNCTION_ARG): Move to function_arg.
11922 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
11923 (ASM_OUTPUT_LONG_DOUBLE): New.
11924 (ASM_OUTPUT_DOUBLE): Always output bits.
11925 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
11926 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
11927 (extenddftf2, trunctfdf2): New.
11929 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11931 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
11932 * config/sparc/sol2.h: ... here.
11934 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11936 * basic-block.h (struct loops): New field `levels'.
11937 * flow.c (flow_loops_level_compute): Traverse all outer loops.
11938 (flow_loop_level_compute): Initialise level to 1.
11939 (flow_loops_find): Set loops->levels.
11940 (flow_loops_dump): Print loops->levels.
11942 2000-01-23 Richard Henderson <rth@cygnus.com>
11944 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
11945 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
11947 2000-01-23 Richard Henderson <rth@cygnus.com>
11949 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
11950 * i386.h (DBX_REGISTER_NUMBER): Use them.
11951 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
11952 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
11953 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
11954 * i386/sequent.h: Kill incorrect comment.
11956 2000-01-23 Mark Mitchell <mark@codesourcery.com>
11958 * ggc-page.c (struct page_entry): Make `context_depth' an
11960 (struct globals): Likewise.
11962 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
11964 * loop.c (check_dbra_loop): When checking a loop for
11965 reversability, check the source of any stores to ensure
11966 they don't depend on an initial value.
11968 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11970 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
11972 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
11974 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
11975 'pz_scan' into scope of entire function. Only affects
11976 compiles with -DDEBUG.
11978 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
11980 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
11981 section naming to that prior to 2000-01-07 patch.
11982 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
11983 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
11984 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
11985 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
11986 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
11988 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
11990 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
11993 2000-01-21 Jim Wilson <wilson@cygnus.com>
11995 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
11996 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
11998 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12000 * cpphash.c (change_newlines): Delete function.
12001 (struct argdata): Delete 'newlines' and 'use_count' fields.
12002 (macroexpand): Remove code referencing those fields.
12004 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12006 * loop.c (loops_info): New variable.
12007 (loop_optimize): Allocate loops->array and free it on exit.
12008 Allocate memory for loops_info and assign to each loop,
12010 (find_and_verify_loops): Do not allocate loops->array.
12012 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12014 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
12016 2000-01-21 Jakub Jelinek <jakub@redhat.com>
12018 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
12019 pseudos if expanded after first flow.
12020 (movdi_pic_label_ref): Likewise.
12022 2000-01-20 Richard Henderson <rth@cygnus.com>
12024 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
12026 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
12028 * Makefile.in (fixinc.sh): Depend on specs.
12029 * fixinc/Makefile.in: Add rule to create machname.h.
12030 (fixlib.o): Depend on machname.h.
12031 * fixinc/fixtests.c (machine_name): New test.
12032 * fixinc/fixfixes.c (machine_name): New fix.
12033 * fixinc/fixlib.c (mn_get_regexps): New helper function for
12034 the machine_name test and fix.
12035 * fixinc/fixlib.h: Prototype it.
12036 * fixinc/inclhack.def (machine_name): Use the C test and fix.
12037 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
12039 * gcc.c (do_spec_1) [case P]: Take care not to create
12040 identifiers with three leading or trailing underscores.
12042 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
12043 (fixincl): Don't specify libraries twice on link line.
12044 (gnu-regex.o): Remove special rule.
12045 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
12046 defined by config.h. Do not define _REGEX_RE_COMP.
12047 (regcomp): Allocate and initialize a fastmap.
12048 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
12050 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
12052 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
12054 2000-01-19 Richard Henderson <rth@cygnus.com>
12056 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
12057 arguments with BB. Update all callers. Tidy line wrapping.
12059 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
12061 * emit-rtl.c (try_split): Return last_insn if we split the
12064 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
12066 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
12067 (ix86_initial_elimination_offset): Declare.
12068 * i386.c (ix86_nsaved_regs): Break out from ...
12069 (ix86_can_use_return_insn_p): ... here.
12070 (ix86_emit_save_regs): Break out from ...
12071 (ix86_expand_prologue): ... here.
12072 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
12074 (ix86_expand_epilogue): ... here.
12075 (ix86_compute_frame_size): Make static, add prototype.
12076 (ix86_initial_elimination_offset): Break out from ...
12077 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
12079 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12081 * recog.h (OUT_FCN): Delete.
12083 * vax.md: Call `get_insn_template' instead of OUT_FCN.
12085 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12087 * cppalloc.c: PROTO -> PARAMS.
12088 * cpperror.c: Likewise.
12089 * cppfiles.c: Likewise.
12090 * cpplib.c: Likewise.
12091 * cpplib.h: Likewise.
12093 * config/arm/arm-protos.h: PROTO -> PARAMS.
12094 * config/arm/arm.c: Likewise.
12095 * config/c4x/c4x.c: Likewise.
12096 * config/fr30/fr30-protos.h: Likewise.
12097 * config/nextstep.c: Likewise.
12098 * config/pa/pa.c: Likewise.
12099 * config/pj/pj.c: Likewise.
12100 * config/rs6000/rs6000.c: Likewise.
12101 * config/v850/v850-protos.h: Likewise.
12102 * config/v850/v850.c: Likewise.
12104 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12106 * i370-protos.h: New file.
12108 * i370.c: Include tm_p.h. Fix compile time warnings.
12110 * i370.h: Move prototypes to i370-protos.h. Fix compile time
12113 * i370.md: Likewise.
12115 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12117 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
12118 (target_isinf, target_isnan, eisnan): Mark parameter with
12120 (eiisinf): Wrap in INFINITY.
12121 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
12122 (ibmtoe): Remove unused variable `rndsav'.
12124 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12126 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
12127 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
12129 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
12131 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
12132 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
12133 (fix_char_macro_defines, fix_char_macro_uses): New functions.
12135 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
12136 Recognize Emacs mode markers also.
12137 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
12138 C++ comments in C++ headers. Call is_cxx_header only if
12141 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
12142 bypass for ncurses.
12143 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
12144 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
12145 ... these, which use the new C fixes.
12146 (math_exception): Escape literal '+' in bypass expression.
12148 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
12151 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12153 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
12156 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12158 * loop.c (loop_optimize): Allocate loop_info structure for each loop
12159 prior to calling scan_loop.
12161 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12163 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
12164 (split_branches, calc_live_regs): Likewise.
12166 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12168 * sh.md (fpu_single, fp_mode): New attributes.
12170 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12172 * loop.c (current_loop_info): Renamed from loop_info_data
12173 and changed to a pointer.
12174 (loop_optimize): Allocate loop_info structure for each loop
12175 and initialise to zero.
12176 (scan_loop): Set current_loop_info.
12178 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
12181 2000-01-19 Richard Henderson <rth@cygnus.com>
12183 * stupid.c: Die die die.
12184 * Makefile.in (OBJS): Remove stupid.o.
12185 (stupid.o): Likewise.
12187 * except.c (emit_eh_context): Don't emit USEs for stupid.
12188 * explow.c (probe_stack_range): Likewise.
12189 * flags.h (obey_regdecls): Remove.
12190 * flow.c (find_basic_blocks): Don't run try_merge_blocks
12191 when not optimizing.
12192 (life_analysis): Limit data collection when not optimizing.
12193 (mark_regs_live_at_end): Always mark the return value registers.
12194 (mark_used_regs): Remove dummy RETURN case.
12195 (print_rtl_with_bb): Don't consult obey_regdecls.
12196 * function.c (use_variable, use_variable_after): Remove.
12197 (assign_parms): Consult optimize not obey_regdecls.
12198 (expand_function_start): Don't emit USEs for stupid.
12199 (expand_function_end): Likewise.
12200 * global.c (build_insn_chain): Export.
12201 * integrate.c (expand_inline_function): Kill return-value USE
12203 * jump.c (jump_optimize_1): Do simple jump optimizations and
12204 dead code elimination.
12205 (calculate_can_reach_end): Remove check_deleted argument.
12206 (delete_insn): Patch out insns even when not optimizing.
12207 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
12208 * rtl.h (use_variable, use_variable_after): Remove declarations.
12209 (build_insn_chain): Declare.
12210 * stmt.c (expand_value_return): Don't emit USEs for stupid.
12211 (expand_end_bindings): Likewise.
12212 (expand_decl): Likewise. Consult optimize not obey_regdecls.
12213 * toplev.c (obey_regdecls): Remove.
12214 (rest_of_compilation): Don't set it. Kill stupid in favour of
12215 flow1, local-alloc, and reload.
12216 (main): Don't set obey_regdecls.
12218 * config/nextstep.c (handle_pragma): Likewise.
12220 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
12222 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
12224 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12226 * alpha-protos.h: PROTO -> PARAMS.
12227 * alpha.c: Likewise.
12229 * h8300.c: Likewise.
12230 * i386-protos.h: Likewise.
12231 * i386.c: Likewise.
12232 * m32r-protos.h: Likewise.
12233 * m32r.c: Likewise.
12234 * mips.c: Likewise.
12235 * mips.md: Likewise.
12236 * gmon-sol2.c: Likewise.
12237 * sparc.c: Likewise.
12239 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12241 * ns32k-protos.h: New file.
12243 * ns32k.c: Fix compile time warnings.
12245 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
12248 * ns32k.md: Likewise.
12250 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12252 * vax-protos.h: New file.
12254 * vax.c: Fix compile time warnings.
12256 * vax.h: Move prototypes to vax-protos.h. Fix compile time
12259 * vax.md: Likewise.
12261 * vaxv.md: Likewise.
12263 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12265 * romp-protos.h: New file.
12267 * romp.c: Fix compile time warnings.
12269 * romp.h: Move prototypes to romp-protos.h. Fix compile time
12272 * romp.md: Likewise.
12274 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12276 * we32k-protos.h: New file.
12278 * we32k.c: Fix compile time warnings.
12280 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
12283 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12285 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
12287 * except.c (eh_regs): Likewise.
12289 * final.c (output_operand): Likewise.
12291 * fold-const.c (target_isinf, target_isnan): Likewise.
12293 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12295 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
12296 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
12298 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
12299 when optimize_size.
12300 (clrstrsi): Rewrite.
12301 (strsethi, strsetqi): New expanders.
12302 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
12303 (cmpstrsi): Emit compare insn before cmpstrsi_1
12304 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
12305 (strlensi_1): Likewise.
12306 (cmpstrsi_1): Likewise; do not output compare.
12307 (strlen expander): Do not unroll when optimizing for size.
12308 (*subsi3_carry): Rename to subsi3_carry
12309 (addqi3_cc): New pattern.
12310 * i386.h (processor_costs): Add move_ratio field.
12311 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
12312 * i386.c (*_cost): Set move_ratio.
12313 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
12314 (x86_expand_strlensi_1): Rewrite the main loop.
12316 2000-01-17 Richard Henderson <rth@cygnus.com>
12318 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
12319 * cse.c (find_comparison_args, fold_rtx): Likewise.
12320 * integrate.c (subst_constants): Likewise.
12321 * loop.c (get_condition): Likewise.
12323 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
12325 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
12327 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12329 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
12330 (RESTORE_WARN_FLAGS): Unpack it.
12331 Change semantic type of extension to ttype.
12332 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
12333 * c-parse.y, c-parse.c, objc/objc-parse.y,
12334 objc/objc-parse.c: Regenerate.
12336 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
12338 * fixinc/fixlib.c: Add copyright notice.
12339 (compile_re): New function.
12340 * fixinc/fixlib.h: Prototype compile_re.
12342 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
12343 Use compile_re to compile regular expressions.
12345 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
12346 where the pattern matched.
12348 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
12350 (ultrix_ansi_compat): Likewise.
12351 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
12353 (interactv_add2, interactv_add3): Delete.
12354 (x11_sprintf): Don't use filename glob.
12355 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
12358 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12360 * print-rtl.c: PROTO -> PARAMS.
12361 * real.c: Likewise.
12362 * reg-stack.c: Likewise.
12363 * resource.c: Likewise.
12364 * sdbout.h: Likewise.
12365 * simplify-rtx.c: Likewise.
12366 * stor-layout.c: Likewise.
12367 * stupid.c: Likewise.
12368 * xcoffout.c: Likewise.
12369 * xcoffout.h: Likewise.
12371 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12373 * toplev.c: PROTO -> PARAMS.
12374 * toplev.h: Likewise.
12375 * tree.c: Likewise.
12376 * tree.h: Likewise.
12377 * unroll.c: Likewise.
12378 * varasm.c: Likewise.
12379 * varray.c: Likewise.
12380 * varray.h: Likewise.
12382 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12384 * reload.c: PROTO -> PARAMS.
12385 * reload.h: Likewise.
12386 * reload1.c: Likewise.
12387 * reorg.c: Likewise.
12388 * resource.h: Likewise.
12391 * rtlanal.c: Likewise.
12392 * sbitmap.h: Likewise.
12393 * sdbout.c: Likewise.
12394 * stack.h: Likewise.
12395 * stmt.c: Likewise.
12396 * system.h: Likewise.
12398 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12400 * machmode.h: PROTO -> PARAMS.
12401 * mbchar.h: Likewise.
12402 * mips-tdump.c: Likewise.
12403 * mips-tfile.c: Likewise.
12404 * optabs.c: Likewise.
12405 * output.h: Likewise.
12406 * prefix.c: Likewise.
12407 * profile.c: Likewise.
12408 * protoize.c: Likewise.
12409 * real.h: Likewise.
12410 * recog.c: Likewise.
12411 * recog.h: Likewise.
12412 * regclass.c: Likewise.
12413 * regmove.c: Likewise.
12414 * regs.h: Likewise.
12416 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12418 * ggc-common.c: PROTO -> PARAMS.
12419 * ggc-page.c: Likewise.
12420 * ggc-simple.c: Likewise.
12422 * global.c: Likewise.
12423 * graph.c: Likewise.
12424 * gthr-win32.h: Likewise.
12425 * haifa-sched.c: Likewise.
12426 * halfpic.h: Likewise.
12427 * integrate.c: Likewise.
12428 * integrate.h: Likewise.
12429 * jump.c: Likewise.
12431 * local-alloc.c: Likewise.
12432 * loop.c: Likewise.
12433 * loop.h: Likewise.
12435 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12437 * genattr.c: PROTO -> PARAMS.
12438 * genattrtab.c: Likewise.
12439 * gencheck.c: Likewise.
12440 * gencodes.c: Likewise.
12441 * genconfig.c: Likewise.
12442 * genemit.c: Likewise.
12443 * genextract.c: Likewise.
12444 * genflags.c: Likewise.
12445 * gengenrtl.c: Likewise.
12446 * genopinit.c: Likewise.
12447 * genoutput.c: Likewise.
12448 * genpeep.c: Likewise.
12449 * genrecog.c: Likewise.
12451 2000-01-16 Mark Mitchell <mark@codesourcery.com>
12453 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
12455 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12457 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
12458 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
12459 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
12460 * configure, config.in: Rebuilt.
12462 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
12464 * config/i386/i386.md: Add peephole to merge successive stack
12467 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
12469 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
12470 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
12471 when walking backwards to find all the parameter loads when
12472 the basic block ends in a call.
12474 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12476 * loop.c (this_loop_info): Delete.
12477 (uid_loop): Add in place of uid_loop_num. All uses updated.
12478 (loop_number_exit_count): Delete and replace with entry in loop
12479 structure. All uses updated.
12480 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12481 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12482 (loop_outer_loop): Likewise.
12483 (loop_invalid, loop_number_exit_labels): Likewise.
12484 (loop_used_count_register): Delete and replace with entry in
12485 loop_info structure.
12486 (find_and_verify_loops): Add loops argument.
12487 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
12488 loop_end, etc. arguments with loop structure pointer. All callers
12490 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
12491 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
12492 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
12493 (insert_bct): Likewise.
12494 (basic_induction_var): New argument level.
12495 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
12496 vtop, and cont. Add used_count_register.
12497 (uid_loop): Delete declaration.
12498 (loop_number_exit_count): Likewise.
12499 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
12500 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
12501 (loop_outer_loop, loop_used_count_register): Likewise.
12502 (loop_invalid, loop_number_exit_labels): Likewise.
12503 (unroll_loop): Replace loop_start and loop_end arguments
12504 with loop structure pointer.
12505 (loop_precondition_p, loop_iterations): Likewise.
12506 Include basic-block.h.
12507 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
12508 with loop structure pointer.
12509 (loop_precondition_p, loop_iterations): Likewise.
12510 * basic-block.h (struct loop): New entries vtop, cont,
12511 cont_dominator, start, end, top, scan_start, exit_labels,
12513 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
12515 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12517 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
12519 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
12521 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
12523 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * pdp11-protos.h: New file.
12527 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
12530 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
12533 * pdp11.md: Likewise.
12535 * 2bsd.h: Likewise.
12537 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12539 * mn10300-protos.h: New file.
12541 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
12544 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
12547 * mn10300.md: Likewise.
12549 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12551 * mn10200-protos.h: New file.
12553 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
12556 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
12559 * mn10200.md: Likewise.
12561 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12563 * h8300-protos.h: New file.
12565 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
12568 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
12571 * h8300.md: Likewise.
12573 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12575 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
12576 (asm_emit_uninitialised): Likewise.
12578 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
12580 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
12581 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
12583 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12585 * config/mips/mips.c (override_options): Don't turn on extra
12586 alignment for mips16.
12588 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12590 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
12591 eabi, and make sure queued POSTINCREMENT rtl is emitted at
12594 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12596 * builtins.c (PAD_VARARGS_DOWN): Define.
12597 (std_expand_builtin_va_arg): Use the above macro.
12598 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
12599 * tm.texi (Register Arguments): Document the above macro.
12601 2000-01-14 Nick Clifton <nickc@cygnus.com>
12603 * emit-rtl.c (emit_insn): If checking is enabled, make sure
12604 that this function has not been used to emit a jump
12607 * jump.c (return_jump_1): Cope with being passed a null rtx.
12609 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12611 * eh-common.h: PROTO -> PARAMS.
12612 * emit-rtl.c: Likewise.
12613 * errors.c: Likewise.
12614 * errors.h: Likewise.
12615 * except.c: Likewise.
12616 * except.h: Likewise.
12617 * explow.c: Likewise.
12618 * expmed.c: Likewise.
12619 * expr.c: Likewise.
12620 * expr.h: Likewise.
12621 * final.c: Likewise.
12622 * fix-header.c: Likewise.
12623 * flow.c: Likewise.
12624 * fold-const.c: Likewise.
12625 * function.c: Likewise.
12626 * function.h: Likewise.
12628 * gcov-io.h: Likewise.
12629 * gcov.c: Likewise.
12630 * gcse.c: Likewise.
12632 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12634 * sh-protos.h: New file.
12636 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
12637 Add static prototypes. Fix compile time warnings.
12639 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
12643 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12645 * arc-protos.h: New file.
12647 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
12650 * arc.h: Move prototypes to arc-protos.h. Fix compile time
12653 * arc.md: Likewise.
12655 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12657 * dsp16xx-protos.h: New file.
12659 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
12662 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
12665 * dsp16xx.md: Likewise.
12667 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12669 * convex-protos.h: New file.
12671 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
12674 * convex.h: Move prototypes to convex-protos.h. Fix compile time
12677 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12679 * elxsi-protos.h: New file.
12681 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
12684 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
12687 * elxsi.md: Likewise.
12689 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
12691 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
12692 case for moving from HI/LO/HI_LO_REG. This makes the behavior
12693 match the comment for MIPS16.
12695 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
12697 * flow.c (split_edge): Do not call set_block_for_insn if we
12698 do not have a basic_block_for_insn structure.
12700 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
12701 and destination functions are 32bit aligned within the trampoline.
12702 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
12703 (TRAMPOLINE_ALIGNMENT): Define.
12705 * cse.c (cse_insn): When changing (set (pc) (reg)) to
12706 (set (pc) (label_ref)), verify the change creates a valid insn.
12708 * fr30.c (call_operand): Tighten and rework to match rules for
12709 call RTL expressions.
12710 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
12711 * fr30.md (call patterns): Improve constraints.
12713 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
12715 * fr30.c (fr30_expand_epilogue): Revert last change.
12716 Use emit_jump_insn for the return insn.
12718 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
12719 Stan Cox <scox@cygnus.com>
12721 * predict.c: New file. Preliminary infrastructure work for static
12722 branch prediction and basic block reordering.
12723 * basic-block.h: Add prototype for estimate_probability.
12724 * Makefile.in: Add rules for predict.o.
12726 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
12728 * fixincludes (va_list): Use __not_va_list__ for the dummy.
12729 * fixinc/*: Likewise.
12731 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12733 * cccp.c: PROTO -> PARAMS.
12734 * cexp.y: Likewise.
12735 * collect2.c: Likewise.
12736 * combine.c: Likewise.
12737 * convert.h: Likewise.
12739 * dbxout.c: Likewise.
12740 * dbxout.h: Likewise.
12741 * diagnostic.c: Likewise.
12742 * doprint.c: Likewise.
12743 * dwarf2out.c: Likewise.
12744 * dwarf2out.h: Likewise.
12745 * dwarfout.c: Likewise.
12746 * dwarfout.h: Likewise.
12747 * dyn-string.h: Likewise.
12749 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12751 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
12752 macro conditionals guarding use.
12754 * dwarf2out.c: Include "tm_p.h".
12756 * function.c (locate_and_pad_parm): Mark parameter with
12758 (expand_function_end): Likewise for variable `context'.
12760 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
12762 2000-01-13 Nick Clifton <nickc@cygnus.com>
12764 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
12765 register to prevent compile time warnings.
12767 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
12769 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
12770 to avoid -Wtraditional warning.
12772 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12774 * 1750a-protos.h: New file.
12776 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
12779 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
12782 * 1750a.md: Likewise.
12784 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12786 * a29k-protos.h: New file.
12788 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
12791 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
12794 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12796 * clipper-protos.h: New file.
12798 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
12801 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
12804 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12806 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
12808 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
12810 * configure.in (--enable-new-gxx-abi): New option.
12811 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
12812 * Makefile.in (GXX_ABI_FLAG): New variable.
12813 * configure: Regenerate.
12815 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12817 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
12818 * tm.texi (FORCE_STRUCT_BLK): Document.
12819 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
12821 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
12823 * config/ns32k/ns32k.md: Revert Jan 9 change.
12825 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
12826 to a mode-test, if the predicate is address_operand.
12828 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
12830 * combine.c (if_then_else_cond): Be careful about what kinds
12831 of RTL expressions are passed to operand_subword.
12833 * flow.c (split_edge): If we have to insert a new jump, make
12834 sure to associate it with a basic block.
12836 * flow.c (commit_one_edge_insertion): A block with one successor
12837 can end in a JUMP_INSN that is not a simplejump.
12839 2000-01-12 Robert Lipe <robertl@sco.com>
12841 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
12842 (BUILD_VA_LIST_TYPE): Define.
12843 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
12846 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
12848 * cccp.c (do_pragma): Add cast to (char *).
12850 2000-01-12 Richard Henderson <rth@cygnus.com>
12851 Fred Fish <fnf@be.com>
12852 Jason Merrill <jason@cygnus.com>
12854 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
12855 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
12856 * i386/beos-elf.h, i386/beos-pe.h: New files.
12858 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
12859 * cross-make (SYSTEM_HEADER_DIR): Define using
12860 CROSS_SYSTEM_HEADER_DIR.
12862 * gcc.c (LIBRARY_PATH_ENV): Provide default.
12863 (process_command): Use it.
12864 (main): Likewise. Kill trailing = from env vars.
12865 (build_search_list): Put it back.
12866 * collect2.c (main): Use LIBRARY_PATH_ENV.
12868 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
12869 * toplev.c: Use NEED_DECLARATION_ENVIRON.
12871 * tm.texi (Frame Layout): Document SMALL_STACK.
12872 * c-common.c (c_common_nodes_and_builtins): Check it.
12874 * system.h: Undef alloca after including glibc's <stdlib.h>,
12875 if USE_C_ALLOCA is defined.
12877 * gcc.c (set_input): New fn.
12878 (main): After all input files are compiled, reset the input file
12881 * aclocal.m4 (rindex, index): If already defined, don't attempt
12884 * ginclude/varargs.h: (__va_list__): Define ifndef.
12885 * ginclude/stdarg.h: Likewise.
12887 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
12888 instead of unsigned char.
12890 * hash.h (true, false, boolean): Undef before enum.
12892 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
12893 proper type of "HOST_WIDE_INT *", rather than their natural type of
12894 "unsigned HOST_WIDE_INT *".
12896 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12898 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
12900 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
12902 * regclass.c (choose_hard_reg_mode): Likewise.
12904 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
12906 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
12908 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12910 * c-common.c: PROTO -> PARAMS.
12911 * c-common.h: Likewise.
12912 * c-decl.c: Likewise.
12913 * c-iterate.c: Likewise.
12914 * c-lang.c: Likewise.
12915 * c-lex.c: Likewise.
12916 * c-lex.h: Likewise.
12917 * c-parse.in: Likewise.
12918 * c-pragma.c: Likewise.
12919 * c-pragma.h: Likewise.
12920 * c-tree.h: Likewise.
12921 * c-typeck.c: Likewise.
12922 * objc/objc-act.c: Likewise.
12923 * objc/objc-act.h: Likewise.
12925 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12927 * m88k-protos.h: New file.
12929 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
12932 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
12934 * m88k.md: Likewise.
12936 * tekXD88.h: Likewise.
12938 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * m68k-protos.h: New file.
12942 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
12945 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
12947 * mot3300.h: Likewise.
12949 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
12951 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
12953 (extract_bitlist): Declare bitlen.
12955 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
12957 * cccp.c: Accept and ignore -lang-fortran.
12959 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
12960 qualifiers don't match at any level of pointerness.
12962 2000-01-12 Robert Lipe <robertl@sco.com>
12964 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
12966 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
12968 * reload1.c (reload_reg_unavailable): New static variable.
12969 (reload_reg_free_p): Test it.
12970 (reload_reg_free_for_value_p): Test it instead of
12972 (choose_reload_regs_init): Compute it.
12974 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
12976 * reorg.c (fill_slots_from_thread): Check modified_in_p
12979 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
12981 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
12982 these nodes even if INTERNALS is not set.
12984 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
12986 * gcse.c (delete_null_pointer_checks_1): Cope when
12987 get_condition cannot determine the condition.
12989 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
12991 * toplev.h (set_message_length): Declare.
12993 * diagnostic.c (obstack_chunk_alloc): Define macro.
12994 (obstack_chunk_free): Likewise.
12995 (struct output_buffer): New data structure.
12996 (vmessage): Remove.
12997 (output_maximum_width): New variable.
12998 (doing_line_wrapping, set_message_length, init_output_buffer,
12999 get_output_prefix, output_space_left, emit_output_prefix,
13000 output_newline, output_append, output_puts, dump_output,
13001 vbuild_message_string, build_message_string, build_location_prefix,
13002 voutput_notice, output_printf, line_wrapper_printf,
13003 vline_wrapper_message_with_location): New functions. Implement
13004 automatic line wrapping.
13005 (v_message_with_decl): Make it handle automatic line wrapping.
13006 (v_error_with_file_and_line): Likewise.
13007 (v_warning_with_file_and_line): Likewise.
13008 (announce_function): Likewise.
13009 (default_print_error_function): Likewise.
13011 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
13013 * cpplib.h (struct cpp_options): Change lang_asm to char.
13015 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
13016 done in cpp_handle_option now.
13017 (initialize_builtins): Take out special case code used only by
13019 (cpp_handle_option): Turn off trigraphs and trigraph warnings
13020 if -traditional. Recognize -lang-fortran and set
13021 lang_fortran, also turn off cplusplus_comments.
13022 (print_help): Document -lang-fortran.
13023 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
13024 lang_asm. Ignore all directives other than `# 123 "file"' if
13026 (cpp_get_token): If -traditional, don't recognize directives
13027 unless the # is in column 1.
13028 (parse_string): If lang_fortran or lang_asm, silently
13029 terminate strings ('' or "") at end of line.
13030 Remove unnecessary braces.
13032 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13033 Richard Henderson <rth@cygnus.com>
13035 * resource.c (mark_referenced_resources): Mark a set strict_low_part
13037 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
13038 strict_low_part when possible.
13040 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13042 * alias.c: PROTO -> PARAMS.
13043 * basic-block.h: Likewise.
13044 * bitmap.c: Likewise.
13045 * bitmap.h: Likewise.
13046 * builtins.c: Likewise.
13047 * c-aux-info.c: Likewise.
13048 * caller-save.c: Likewise.
13049 * calls.c: Likewise.
13051 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13053 * Makefile.in (toplev.o): Depend on regs.h.
13055 * output.h (tdesc_section): Prototype.
13057 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
13059 * sdbout.c: Include "tm_p.h".
13061 * toplev.c: Include "regs.h".
13063 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
13065 * unroll.c (unroll_loop): Add EH support.
13067 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13069 * pa-protos.h: New file.
13071 * pa.c: Include recog.h and tm_p.h.
13072 (compute_zdepwi_operands, compute_movstrsi_length,
13073 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
13074 find_addr_reg, import_milli): Add static prototypes.
13075 (pa_cpu_string, pa_arch_string): Constify a char*.
13076 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
13077 (read_only_operand): Add argument `mode'.
13078 (singlemove_string, output_move_double, output_fp_move_double,
13079 output_block_move, output_and, output_ior, output_ascii,
13080 remove_useless_addtr_insns, milli_names, output_mul_insn,
13081 output_div_insn, output_mod_insn, output_arg_descriptor,
13082 output_cbranch, output_bb, output_bvb, output_dbra, ,
13083 output_millicode_call, output_call, hppa_encode_label,
13084 output_parallel_movb, output_parallel_addb): Constify a char*.
13085 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
13086 (output_parallel_addb): Remove extra arg to `constrain_operands'
13088 * pa.h: Move all prototypes to pa-protos.h.
13089 (pa_cpu_string, pa_arch_string): Constify a char*.
13090 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
13092 * pa.md: Call `function_label_operand' with mode argument.
13093 Likewise for `read_only_operand'.
13094 Fix nesting of parens in call to `symbolic_operand'.
13096 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13098 * i860-protos.h: New file.
13100 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
13103 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
13105 * i860.md: Likewise.
13107 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
13109 * i386.md (movstrsi expander): Rewrite.
13110 (movstrsi_1 insn): Deleted.
13111 (strmovhi, strmovqi expander): New expanders.
13112 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
13113 * i386.c (x86_single_stringop): New global variable.
13114 * i386.h (x86_single_stringop): Declare.
13115 (TARGET_SINGLE_STRINGOP): New macro.
13117 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13119 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
13120 integer vararg POSTINCREMENT before the destination of the jump
13121 for the hard fp case.
13122 (function_arg_pass_by_reference): Pass a copy of CUM to
13125 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
13126 for CONSTANT_ADDRESS_P above while loop for subreg.
13128 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
13130 * flow.c (propagate_block): When a prologue/epilogue insn
13131 is marked dead, unconditionally clear libcall_is_dead and
13132 insn_is_dead, and only dump rtl if warnings aren't being
13135 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
13137 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
13138 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
13139 (FIXED_REGISTERS): Set dirflag as fixed.
13140 (CALL_USED_REGISTERS): Set dirflag as used.
13141 (REG_ALLOC_ORDER): Set dirflag as last one.
13142 (DIRFLAG_REG): New macro.
13143 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
13144 (HI_REGISTER_NAMES): Add dirflag.
13145 (DEBUF_PRINT_REG): Handle dirflag.
13146 * i386.md (type attribute): New cld and str types.
13147 (length_opcode attribute): Set cld and str to 1.
13148 (memory attribute): Set str to unknown - it is not clear from the
13150 (pent_np function unit): Prefixed string operations takes 12 cycles
13151 minimally; cld takes 2 cycles.
13152 (ppro_uops attribute): Str is "many" and cld is "few".
13153 (ppro_p0 unit): Handle cld here.
13154 (k6_alux unit): Handle cld and str types.
13155 (k6_load unit): It is ocupied by str opcodes.
13156 (k6_store unit): It is ocupied by str opcodes.
13157 (athlon_decode): Str is vector decoded.
13158 (athlon_ieu): Handle str and cld.
13159 (cld pattern): New.
13160 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
13161 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
13162 cmpstrsi_nz_1 insn): Do not output cld instruction
13164 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
13166 * gcc.texi (G++ and GCC): Add Java and Chill.
13167 (Bug Critera): Don't list languages.
13169 * gcc.texi (Incompatibilities): No longer claim most C compilers
13172 * gcc.texi (G++ and GCC): Update other front-ends list.
13174 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
13176 * i386.c (ix86_expand_setcc): Fix typo.
13177 (ix86_expand_movcc): Similarly.
13179 * Band-aid until haifa's bitset implementation is nuked.
13180 * haifa-sched.c (extract_bitlst): New parameter for size of the
13181 bitset in bits. All callers changed. Avoid looking at undefined
13182 bits in the bitset.
13183 (edgeset_bitsize): New variable.
13184 (schedule_region): Initialize edgeset_bitsize.
13186 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13188 * Makefile.in (optabs.o): Depend on real.h
13189 (resource.o): Depend on insn-attr.h
13191 * builtins.c (result_vector): Wrap prototype in macro conditions
13192 governing definition and use.
13194 * c-common.c: Include tm_p.h.
13196 * c-lex.c: Likewise.
13198 * elfos.h: Constify a char*.
13200 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
13201 (get_attr_length, shorten_branches, profile_after_prologue): Mark
13202 parameter with ATTRIBUTE_UNUSED.
13204 * fold-const.c (exact_real_inverse): Wrap variable `i' in
13207 * haifa-sched.c (schedule_insns): Mark parameter with
13210 * optabs.c: Include real.h.
13212 * real.h (ereal_atof): Add prototype arguments.
13214 * resource.c: Include insn-attr.h.
13216 * sdbout.c (sdbout_queue_anonymous_type,
13217 sdbout_dequeue_anonymous_types): Wrap in macro
13218 SDB_ALLOW_FORWARD_REFERENCES.
13219 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
13222 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
13224 * stupid.c: Include tm_p.h.
13226 * tree.c (real_value_from_int_cst): Mark parameter with
13229 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13231 * i960-protos.h: New file.
13233 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
13236 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
13238 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13240 * combine.c (expand_field_assignment): Do not discard SUBREGs
13241 while computing nonzero_bits.
13243 2000-01-09 Nick Clifton <nickc@cygnus.com>
13245 * config/arm/arm.c: Fix compile time warnings about signed vs
13246 unsigned constants.
13247 * config/arm/arm.h: Fix compile time warnings about signed vs
13248 unsigned constants.
13250 2000-01-09 Philip Blundell <philb@gnu.org>
13252 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
13253 than `ldm' with only one register.
13254 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
13257 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
13260 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
13262 * config/ns32k/ns32k.md (load or push effective address): Operand 1
13265 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13267 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
13268 assignment used as truth value.
13270 * function.c (assign_temp): Mark parameter `dont_promote' with
13271 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
13272 PROMOTE_FOR_CALL_ONLY.
13274 * genrecog.c (write_subroutine): Mark variable `operands' with
13277 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
13280 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
13281 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
13283 * toplev.c (note_deferral_of_defined_inline_function): Likewise
13286 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13288 * config/c4x.h: Tidy up comments.
13289 * config/c4x.c: Likewise.
13291 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
13293 * fold-const.c (lshift_double, rshift_double): Handle
13294 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
13296 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13298 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
13299 in prepare_function_start().
13301 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
13303 * config/v850/v850.c (expand_epilogue): Interrupt functions no
13304 longer allocate extra stack for function calls.
13306 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13308 * config/c4x/c4x.md (*subqf3_set): Fix typo.
13310 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13312 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
13314 2000-01-07 David Edelsohn <edelsohn@gnu.org>
13316 * rs6000.c (processor_target_table): Add power3 as alias for 630.
13317 * aix43.h: Revert Aug 2 change.
13318 (HAS_INIT_SECTION): Define, not visible yet.
13319 (LD_INIT_SWITCH): Define, not visible yet.
13320 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
13322 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
13324 * collect2.c (main): Expand ld2 size further.
13325 (export_object_lst): Cast assignment to avoid warning.
13326 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
13327 (scan_prog_file, COFF): Do not collect initialization or
13328 finalization functions generated for entire shared object if
13329 init/fini support present.
13331 2000-01-07 Nick Clifton <nickc@cygnus.com>
13333 * config/elfos.h: Tidy up formatting of marcos. Make sure
13334 that .section directives are always prefixed by a tab.
13336 * config/svr4.h: Add #include "elfos.h" and remove duplicate
13339 2000-01-07 Matt Austern <austern@sgi.com>
13341 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
13344 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
13346 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
13348 (crtbegin.o, s-crtS): Likewise.
13350 2000-01-06 Richard Henderson <rth@cygnus.com>
13352 * alpha.md (adddi_2+1): Limit offset such that it will be
13353 loadable with a single ldah+lda pair.
13354 (adddi_2+2): Explicitly fail split if we can't make it work.
13356 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
13358 * protoize.c: Conditionally include unistd.h.
13359 (IS_SAME_PATH_CHAR): New macro.
13360 (IS_SAME_PATH): New macro.
13361 (CPLUS_FILE_SUFFIX): New macro.
13362 (cplus_suffix): New static variable.
13363 (is_abspath): New static function.
13364 (in_system_include_dir): Handle DOS style pathnames.
13365 (file_could_be_converted): Likewise.
13366 (file_normally_convertible): Likewise.
13367 (directory_specified_p): Likewise.
13368 (file_excluded_p): Likewise.
13369 (abspath): Likewise.
13370 (shortpath): Likewise.
13371 (referenced_file_is_newer): Likewise.
13372 (save_def_or_dec): Likewise.
13373 (do_processing): Likewise.
13375 (edit_file): Likewise. Use rename instead of link.
13376 (rename_c_file): Likewise. Don't rename syscalls file.
13377 (munge_compile_params): Define null device for DOS based systems.
13378 (process_aux_info_file): Use binary mode if appliable.
13379 (edit_file): Likewise.
13380 * invoke.texi (Running Protoize): Document C++ suffixes used.
13382 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
13383 IS_DIR_SEPARATOR macros.
13384 * collect2.c: Likewise.
13385 * cppinit.c: Likewise.
13386 * dwarf2out.c: Likewise.
13388 * gcov.c: Likewise.
13389 * prefix.c: Likewise.
13391 * toplev.c: Likewise.
13392 * system.h: And move to here.
13394 * prefix.c (update_path): Fix typo in variable name.
13396 2000-01-06 Richard Henderson <rth@cygnus.com>
13398 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
13399 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
13400 (count_reg_sets_1, count_reg_references): Likewise.
13401 (flow_loops_level_compute): Start counting actual loop depth at 1.
13402 (flow_loops_find): Likewise.
13403 * local-alloc.c (update_equiv_regs): Likewise.
13404 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
13406 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13408 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
13409 FIRST_PSEUDO_REGISTER
13410 * dwarf2out.c: Don't include frame.h
13411 * dwarfout.c: Likewise
13412 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
13415 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
13417 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13420 * i386.c (movsf splitter): Fix typo in my last checkin.
13422 2000-01-05 Nick Clifton <nickc@cygnus.com>
13424 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
13425 own definition of this macro.
13426 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
13427 flag_data_sections or UNIQUE_SECTION_P are true.
13429 * tm.texi (UNIQUE_SECTION): Document that it can be called for
13430 unitialised data decls.
13432 * config/i386/winnt.c (i386_pe_unique_section): Cope with
13433 being called for uninitialised data.
13435 * config/i386/interix.c (i386_pe_unique_section): Cope with
13436 being called for uninitialised data.
13438 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
13439 for uninitialised data.
13441 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
13442 for uninitialised data.
13444 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
13445 for uninitialised data.
13447 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
13448 (UNIQUE_SECTION_P): Always generate a unique section if
13449 flag_data_sections is true.
13450 (UNIQUE_SECTION): Also generate unique sections for
13451 uninitialised data.
13452 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
13453 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
13456 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13458 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
13461 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13463 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
13464 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
13465 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
13466 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
13467 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
13469 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
13471 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13473 * c-decl.c (finish_enum): Simplify code to determine minimum and
13474 maximum values of the enum, and calculate the type. Remove check
13475 for FUNCTION_DECLs in the values list, which cannot happen. Replace
13476 the DECL_INITIAL of each enumeration constant with a copy converted
13477 to the enumeration type. When updating variant types, don't bother
13478 updating the type itself.
13480 * c-typeck.c (build_binary_op): Simplify conditional expressions
13481 when weeding out spurious signed-unsigned warnings. Add new
13482 spurious warning category: if the unsigned quantity is an enum
13483 and its maximum value fits in signed_type(result_type). Update
13485 (build_conditional_expr): Warn here if one alternative is signed
13486 and the other is unsigned.
13488 2000-01-05 Nick Clifton <nickc@cygnus.com>
13490 * config/fr30/fr30.h: Remove extraneous comments.
13492 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
13494 * reload1.c (choose_reload_regs): When disabling a reload, also
13495 set reload_spill_index to -1.
13497 2000-01-04 Joel Sherrill (joel@OARcorp.com>
13499 * configure.in (m68*-*-rtemscoff*): New target, formal name for
13501 (m68*-*-rtemself*): New target.
13502 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
13503 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
13504 (sparc*-*-rtemself*): New target.
13505 (sparc*-*-rtems*): Now elf not a.out.
13506 * config/i386/rtems.h: Include config/rtems.h.
13507 * config/i386/rtemself.h: Include config/rtems.h.
13508 * config/i960/rtems.h: Include config/rtems.h.
13509 * config/m68k/rtems.h: Include config/rtems.h.
13510 * config/m68k/rtemself.h: Include config/rtems.h.
13511 * config/mips/rtems64.h: Include config/rtems.h.
13512 * config/pa/rtems.h: Include config/rtems.h.
13513 * config/rs6000/rtems.h: Include config/rtems.h.
13514 * config/sh/rtems.h: Include config/rtems.h.
13515 * config/sh/rtemself.h: Include config/rtems.h.
13516 * config/sparc/rtems.h: Include config/rtems.h.
13517 * config/sparc/rtemself.h: Include config/rtems.h
13519 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
13521 * final.c (shorten_branches): Correctly compute length of
13522 asms without operands.
13524 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
13526 * configure.in: Add pj target.
13527 * configure: Regenerate.
13528 * config/pj: New directory.
13529 * config/pj/lib1funcs.S: New file.
13530 * config/pj/linux.h: New file.
13531 * config/pj/pj.c: New file.
13532 * config/pj/pj.md: New file.
13533 * config/pj/pjl.h: New file.
13534 * config/pj/t-pj: New file.
13535 * config/pj/xm-pj.h: New file
13537 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
13539 * toplev.c (rest_of_compilation): Run shorten-branches before
13542 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13544 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
13545 macros so that they're consistent with their names.
13546 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13547 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
13549 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13551 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
13552 modified inadvertently.
13554 2000-01-04 Joel Sherrill <joel@OARcorp.com>
13556 * configure.in (v850*-*-rtems*): New target.
13557 * configure: Regenerate.
13558 * config/v850/rtems.h: New file.
13560 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
13562 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
13563 (__gthread_key_create): Likewise.
13564 (__gthread_key_dtor): Likewise.
13565 (__gthread_once): Fix logic.
13566 (__gthread_key_delete): Cast away constness.
13568 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
13569 * invoke.texi: Document.
13570 * i386/mingw32.h (CPP_SPEC): Use.
13571 (LIBGCC_SPEC): Likewise.
13572 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
13574 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13576 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
13577 (HANDLE_PRAGMA_PACK): Undefine.
13578 (SLOW_UNALIGNED_ACCESS): Define.
13580 2000-01-04 David Edelsohn <edelsohn@gnu.org>
13582 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13583 to default definition.
13584 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
13585 (store_fixed_bit_field): Call macro with word_mode and alignment.
13586 (extract_bit_field): Call macro with relevant mode and alignment.
13587 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
13588 to default definition.
13589 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
13591 (move_by_pieces_ninsns): Likewise.
13592 (clear_by_pieces): Likewise.
13593 (emit_push_insn): Likewise.
13594 (store_field): Call macro with relevant mode and alignment.
13595 (expand_expr): Likewise.
13596 (expand_expr_unaligned): Likewise.
13598 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
13599 (SLOW_UNALIGNED_ACCESS): Define.
13600 (CASE_VECTOR_MODE): Always use 32-bit offsets.
13601 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
13602 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
13603 (toc_section): Likewise and .toc pseudo-op.
13604 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
13606 (TEXT_SECTION_ASM_OP): Likewise.
13607 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
13610 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
13611 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
13612 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
13613 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
13614 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
13616 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
13618 * regclass.c: Revert my Jan 4 change to loop cost computation.
13620 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13622 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
13625 2000-01-04 Stan Cox <scox@cygnus.com>
13627 * haifa-sched.c (build_control_flow): Change unreachable simple
13628 loop test to check if current block has only one predecessor.
13629 (find_rgns): Initialize degree. Use dest as degree index, not src.
13631 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13633 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
13635 * calls.c (expand_call): Likewise for
13636 `old_stack_arg_under_construction'.
13638 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
13640 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
13643 * gcc.c (execute): Likewise for `ut' and `st'.
13645 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
13647 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
13649 * jump.c (jump_optimize_1): Likewise for `temp2'.
13651 * local-alloc.c (block_alloc): Likewise for `r1'.
13653 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
13655 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
13656 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
13658 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
13661 * reload.c (find_reloads): Likewise for `goal_alternative_number'
13662 and `goal_earlyclobber'.
13664 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
13666 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
13668 * stupid.c (stupid_life_analysis): Likewise for `chain'.
13670 * unroll.c (copy_loop_body): Likewise for `copy'.
13672 * varasm.c (output_constructor): Likewise for `byte'.
13674 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13676 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
13677 all FP constants for constant->reg moves.
13678 (ix86_split_to_parts): Try to convert memory address into immediate
13679 when available in the constant pool.
13680 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
13682 (LEGITIMATE_CONSTANT_P): Return 1.
13683 * i386.md (pushsf): New splitter to convert constant pool memory
13684 reference to immediate.
13685 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
13688 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
13690 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
13691 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
13692 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
13693 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
13694 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
13696 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
13698 * ginclude/stdbool.h: Support compilation as C++.
13700 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13702 * fold-const.c (make_range): Don't try to reverse an unbounded range.
13704 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
13706 * regclass.c (regclass): Properly compute loop_cost. Adjust
13709 * regclass.c: Fix minor whitespace problems.
13711 2000-01-03 Anthony Green <green@cygnus.com>
13713 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
13714 Restore the pic register if required.
13716 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
13718 * c-common.c (format_char_info): Update comment.
13719 (check_format_info): Recognize 'z' modifier in the same way 'Z'
13720 was recognized. Emit warning for formats new in ISO C99 only
13721 if flag_isoc9x is not set.
13723 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
13725 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
13727 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13729 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
13730 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
13731 (make_compound_operation): Choose cheaper alternative between
13732 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
13734 * regclass.c (op_costs): Remove global variable.
13735 (record_reg_classes): New parameter "op_costs" and "reg_pref".
13736 (record_operand_costs): Break out from ...
13737 (scan_one_insn): ... here.
13738 (dump_regclass): Make dumps nicer.
13739 (regclass): Dump preferrences choosed and changes done during passes.
13741 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13743 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
13745 2000-01-03 Jakub Jelinek <jakub@redhat.com>
13747 * config/sparc/sparc.c (gen_df_reg): New function.
13748 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
13749 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
13750 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
13751 movtf_cc_reg_sp64+1): Use it.
13753 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13755 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
13756 copied LABEL_DECLs.
13758 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13760 * config/i386/i386.c (ix86_expand_unary_operator): Function
13761 definition made void.
13762 (ix86_expand_binary_operator): Update outdated preceding comment.
13763 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
13766 * config/i386/i386.c (override_options): Fix option-name typo.
13768 2000-01-02 Mark Mitchell <mark@codesourcery.com>
13770 * system.h (CEIL): Define.
13771 * builtins.c (CEIL): Remove.
13772 * expmed.c (CEIL): Likewise.
13773 * expr.c (CEIL): Likewise.
13774 * stor-layout.c (CEIL): Likewise.
13776 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13778 * expr.c (store_constructor_field): Fix typo introduced with last
13781 2000-01-01 Mark Mitchell <mark@codesourcery.com>
13783 * tree.h (BINFO_N_BASETYPES): New macro.
13785 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
13787 * expmed.c (emit_store_flag): Prevent losing a pending stack
13788 adjust the same way we prevent losing queued increments.
13790 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13792 * function.c (update_temp_slot_address): Handle case where sum of
13793 temporary address plus offset in register is a valid address.
13795 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13797 * genrecog.c (change_state) Corrected typo.
13799 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13801 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
13802 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
13803 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
13805 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
13807 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
13808 case, expand GT comparisons correctly. Fix a comment before this
13811 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
13813 * dwarfout.c: Include "frame.h"
13814 * dwarf2out.c: Likewise.
13815 * Makefile.in (dwarfout.o): Depend on frame.h
13816 (dwarf2out.o): Likewise.
13818 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
13820 Restore i386 binary compatibility in Dwarf EH info.
13821 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
13822 value of FIRST_PSEUDO_REGISTER.
13823 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
13824 (struct frame_state): Use DWARF_FRAME_REGISTERS.
13825 * dwarfout.c (output_reg_number): Ditto.
13826 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
13827 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
13829 1999-12-29 Bruce Korb <autogen@linuxbox.com>
13831 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
13832 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
13833 (<hack>_RE_CT): not needed
13834 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
13835 rewritten to scan the file text once only
13836 "template<..." test added
13837 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
13838 (is_cxx_header): declaration added
13839 * fixinc/fixtests.c(is_cxx_header): removed
13840 (apply_fix_p_t): removed
13841 (double_slash_test): is_cxx_header is only called once now
13842 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
13843 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
13844 within the templates.
13845 The borken spelling of "broken" was fixed.
13846 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
13847 The default level depends on FIXINC_DEBUG.
13849 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13851 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
13852 Otherwise provide a declaration for atexit.
13853 (init_dummy): Make sure dummy call to atexit is nevertheless
13854 called with correct number of args.
13856 * frame.c: Update comments referring to other files.
13858 * libgcc2.c: Likewise.
13860 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13862 * cse.c (free_element, get_element): Remove unused prototypes.
13864 * fold-const.c (extract_muldiv): Initialize variables `op0' and
13867 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
13870 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
13872 * configure.in,configure: case arm for mn10200-*-* now sets
13873 float_format=i32 so that float.h will correctly claim "double"
13874 to be 32 bits. Ran autoconf to generate configure from .in file.
13876 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
13878 * pa.md (conditional zero): If op1 is a register, force it into
13879 the same register as op0.
13881 1999-12-28 Mark Mitchell <mark@codesourcery.com>
13883 * tree.h (BINFO_BASETYPES): Improve documentation.
13885 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13887 * configure.in (--enable-checking): Use a more portable `for'
13890 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13892 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
13893 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
13895 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
13898 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
13899 Delete descriptions.
13901 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
13902 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
13903 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
13904 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
13905 xm-svr4.h: Remove all instances of sys_siglist handling.
13907 1999-12-27 Jakub Jelinek <jakub@redhat.com>
13909 * config/sparc/sparc.md (cmp_zero_qi,
13910 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
13911 cmp_zero_extendqidi2_andcc_set): New patterns.
13913 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
13915 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
13916 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
13917 (fpgnulib.c, xfgnulib.c): Add rules.
13918 * m68k/t-mot3300-gas: Likewise.
13920 1999-12-27 Ian Lance Taylor <ian@zembu.com>
13922 * configure.in: Avoid [[ by using test and changequote. Add
13923 changequote required by 1999-12-14 change.
13924 * configure: Rebuild.
13926 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
13928 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
13930 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
13932 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
13933 * flow.c (find_use_as_address): Likewise.
13934 * function.c (fixup_var_refs_1): Likewise.
13935 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
13936 * jump.c (invert_exp, redirect_exp): Likewise.
13937 * loop.c (replace_call_address): Likewise.
13938 (count_nonfixed_reads): Likewise.
13939 * rtlanal.c (modified_between_p): Likewise.
13940 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
13941 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
13942 * unroll.c (remap_split_bivs): Likewise.
13944 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13946 * diagnostic.c (v_message_with_decl): Use .* format specifier
13947 instead of building the format specifier width manually.
13949 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
13950 determining whether to provide a prototype. Remove the
13951 sys_siglist clause in the conditional.
13953 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13955 * fold-const.c (operand_equal_p): Use memcmp to compare string
13957 Suggested by D. J. Bernstein
13959 1999-12-17 Jakub Jelinek <jakub@redhat.com>
13961 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
13962 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
13964 * config/mips/mips.h (TARGET_64BIT): Likewise.
13965 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
13966 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
13967 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
13968 dsps. Give routines proper names if SI/DI modes are not used.
13969 * longlong.h: Use DWunion instead of DIunion.
13971 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
13973 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
13974 GC_CHECKING, GC_ALWAYS_COLLECT.
13975 * configure.in: Allow --enable-checking with an argument
13976 listing check modes to enable.
13977 * config.in, configure: Rebuilt.
13978 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
13979 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
13980 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
13981 ENABLE_GC_ALWAYS_COLLECT.
13982 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
13984 * tree.h, tree.c: Change ENABLE_CHECKING to
13985 ENABLE_TREE_CHECKING throughout.
13987 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13989 * fold-const.c (fold_truthop): Properly check for FP RHS.
13991 1999-12-24 Mark Mitchell <mark@codesourcery.com>
13993 * toplev.h (note_deferall_of_defined_inline_function): Declare.
13994 * toplev.c (note_deferral_of_defined_inline_function): New
13995 function, split out from ...
13996 (rest_of_compilation): ... here. Use it.
13998 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14000 * expr.c (store_constructor): Don't call clear_storage if size is
14003 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14005 * Makefile.in (toplev.o): Depend on loop.h.
14007 * dwarfout.c: Include tm_p.h.
14009 * emit-rtl.c (restore_emit_status): Mark parameter with
14012 * final.c (final_scan_insn): Likewise.
14014 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
14015 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
14016 flow_depth_first_order_compute, flow_loop_pre_header_find,
14017 flow_loop_tree_node_add, flow_loops_tree_build,
14018 flow_loop_level_compute, flow_loops_level_compute,
14019 flow_loop_outside_edge_p): Add prototypes.
14020 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
14022 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
14023 Mark with ATTRIBUTE_NORETURN.
14025 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
14027 * local-alloc.c (no_conflict_p): Likewise.
14029 * loop.c (insert_bct): Hide definitions of variables with hidden
14031 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
14033 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
14034 with ATTRIBUTE_UNUSED.
14035 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
14036 (reg_scan): Likewise.
14038 * reload.c (find_reloads): Remove unused variables `changed'.
14040 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
14042 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
14043 Remove unused variable `insn'.
14045 * toplev.c: Include loop.h.
14046 (report_file_and_line): Remove unnecessary prototype.
14048 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
14050 * unroll.c (biv_total_increment): Likewise.
14052 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14054 * reload1.c (emit_input_reload_insns): Restore old behaviour
14055 wrt. 'special' reloads.
14057 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
14059 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
14060 hash.h. (cse.c): Don't depend on hashtab.h.
14062 * cse.c: Don't include hashtab.h.
14063 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
14065 * ggc-simple.c: Don't include hash.h.
14067 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
14069 * dwarf2out.c (add_abstract_origin_attribute): Call
14070 gen_abstract_function on our function context.
14072 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
14074 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
14076 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14078 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
14081 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14083 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
14084 constraints to "a!r".
14086 1999-12-21 Mark Mitchell <mark@codesourcery.com>
14088 * Makefile.in (calls.o): Depend on function.h.
14089 (alias.o): Likewise.
14091 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
14093 * reload1.c (emit_reload_insns): Break out code and variables into...
14094 (input_reload_insns, other_input_address_reload_insns,
14095 other_input_reload_insns, input_address_reload_insns,
14096 inpaddr_address_reload_insns, output_reload_insns,
14097 output_address_reload_insns, outaddr_address_reload_insns,
14098 operand_reload_insns, other_operand_reload_insns,
14099 other_output_reload_insns): ... new static variables, and...
14100 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
14101 do_output_reload): ... new functions.
14103 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14105 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
14107 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14109 * md.texi: Add c4x constraints documentation.
14111 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14113 * config/i386/dgux.c (struct option): Rename to
14114 lang_independent_option.
14115 (struct m_options): Add description field.
14116 (output_options): Rename option type, add sep declaration, output
14117 ix86_cpu_string and ix86_arch_string only if set.
14118 (output_file_start): Rename option type.
14120 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
14122 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
14124 (libgcc2.a): Similarly.
14126 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
14128 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
14129 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
14130 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
14132 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
14134 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
14135 Remove redundant initialization of "frexpon" and "expon".
14137 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14139 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
14141 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
14142 (store_constructor_field, expand_expr): Pass new arg.
14144 1999-12-20 Mark Mitchell <mark@codesourcery.com>
14146 * Makefile.in (explow.o): Depend on function.h.
14148 * stor-layout.c (set_sizetype): Fix typo.
14150 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
14152 * function.c (cfun): Renamed from current_function. All users
14154 * function.h (cfun): Rename declaration as well.
14156 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
14157 to be of type regset_head, not regset. All users changed by adding
14159 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
14161 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14163 * config/c4x/rtems.h: New file.
14165 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14167 * reload1.c (spill_failure): Take class of failed reload as argument
14168 and print it. Caller changed.
14170 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14172 * rs6000.h (SUBTARGET_DEFAULT): New macro.
14173 (TARGET_SWITCHES): Allow subtargets to default switches.
14174 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
14176 1999-12-18 Mark Mitchell <mark@codesourcery.com>
14178 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
14181 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
14183 * cccp.c (main): Define __STDC_VERSION__ as necessary.
14184 * cppinit.c (cpp_handle_option): Likewise.
14186 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
14187 determine when to define.
14189 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
14191 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
14192 cmove with mismatched test and data modes.
14194 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
14196 * c-typeck.c (c_expand_start_case): Don't warn for long switch
14199 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14201 * alias.c: Minor reformatting.
14202 * flow.c: Likewise.
14203 * regs.h: Likewise.
14204 * stor-layout.c: Likewise.
14205 * fold-const.c: Likewise.
14206 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14207 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
14209 (size_int_wide): Cache nodes even if garbage collecting.
14210 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
14211 of SAVE_EXPR has no side effects.
14212 * cse.c: Move a comment.
14213 * tree.c: Minor reformatting.
14214 (int_size_in_bytes): Return -1 if constant overflows.
14216 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14218 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
14220 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
14222 * objc/objc-parse.c: Regenerate. This file must be rebuilt
14223 after any change to c-parse.in, even if objc-parse.y didn't
14226 1999-12-18 David S. Miller <davem@redhat.com>
14228 * toplev.c (rest_of_compilation): Restore BLOCK tree
14229 reconstruction and branch shortening changes lost in
14230 December 18th change.
14232 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
14234 * config/arm/linux-elf.h: Change all instances of
14235 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
14236 * config/arm/uclinux-elf.h: Likewise.
14238 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
14240 * toplev.c (notice, vmessage, v_message_with_file_and_line,
14241 v_message_with_decl, file_and_line_for_asm,
14242 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
14243 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
14244 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
14245 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
14246 pfatal_with_name, fatal_io_error, need_error_newline,
14247 last_error_function, last_error_tick, announce_function,
14248 default_print_error_function, print_error_function,
14249 report_error_function, fnotice, error_with_file_and_line,
14250 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
14251 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
14252 warning_with_decl, warning_for_asm, warning, pedwarn,
14253 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
14255 (compile_file): Use fnotice instead of notice. Adjust call.
14257 * diagnostic.c: New file.
14259 * Makefile.in (OBJS): Include diagnostic.o
14260 (diagnostic.o): Define dependence.
14262 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14264 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
14267 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14269 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
14271 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14273 * fixtests.c (is_cxx_header): New fn, split out of
14275 (else_endif_label): Allow "#endif // comment" in C++ headers,
14276 as determined by is_cxx_header.
14277 * fixfixes.c (else_endif_label_fix): Update comment.
14278 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
14280 * genfixes: Correct double thinko in commandline parsing.
14281 * hackshell.tpl: Generate correct sh syntax for bypass
14284 * inclhack.def (all): Whenever an inserted preprocessor
14285 conditional is split over multiple lines, use double
14286 backslashes in this file so the fixed header will be readable.
14288 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
14289 and add bypass entry for correct version of this header.
14290 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
14291 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
14293 (hpux8_bogus_inlines): New fix, split from...
14294 (ultrix_atof_param) ... here.
14295 (math_expression): Add bypass entry keyed to glibc comment
14296 indicating the problem has been dealt with; disable
14297 unnecessary sed operations; update commentary.
14298 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
14299 add select and bypass entries, simplify shell operation.
14300 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
14302 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
14303 ultrix_atof_param): Add select entry.
14304 (stdio_va_list, sunos_mather_decl): Add bypass entry.
14305 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
14306 comments with the fixes they describe.
14308 * c-parse.in (string action): Do not warn about ANSI string
14309 concatenation in system headers. Affects C parser only.
14310 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
14312 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14314 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
14315 compiling libgcc2 the macro depends always on arch cpp defines.
14317 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
14319 * loop.c (insert_loop_mem): Don't record MEMs from inside
14322 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
14324 * regclass.c (regclass): Do not use flowgraph when not optimizing.
14326 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
14327 notes too, create one when replacement failed, attempt to simplify
14329 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
14330 or REG_EQUIV notes.
14332 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14334 * crtstuff.c (__dso_handle): Declare.
14335 (__cxa_finalize): Likewise.
14336 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
14339 * invoke.texi: Document -fuse-cxa-atexit.
14341 * tree.h (ptr_type_node): Document.
14342 (const_ptr_type_node): Likewise.
14344 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14346 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
14347 (optimize_reg_copy_2): Likewise.
14348 (optimize_reg_copy_3): Likewise.
14349 (fixup_match_2): Likewise.
14350 (regmove_optimize): Likewise.
14351 (fixup_match_1): Liekwise.
14353 * i386.md (HI to SImode promoting splitters): Rewrite.
14354 (pushsf mem peep2): New.
14355 (testhi to andhi peep2): Remove.
14356 * i386.h (x86_promote_QImode): New.
14357 (TARGET_PROMOTE_QImode): New.
14358 (PREDICATE_CODES): Add promotable_binary_operator.
14359 * i386.c (x86_promote_QImode0: New.
14360 (promotable_binary_operator): New.
14361 * i386-protos.h (promotable_binary_operator): New.
14363 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
14365 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
14367 1999-12-16 Mark Mitchell <mark@codesourcery.com>
14369 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
14370 * function.c (insert_block_after_note): Remove.
14371 (retrofit_block): Likewise.
14372 (identify_blocks): Fix indentation.
14373 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
14374 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
14375 * function.h (insert_block_after_note): Remove prototype.
14376 (retrofit_block): Likewise.
14377 * integrate.c (expand_inline_function): Don't call
14378 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
14379 just expand_start_bindings. Use the block_map to remap old
14380 NOTE_BLOCKs to new ones.
14381 (integrate_decl_tree): Keep track of remapped blocks.
14382 * integrate.h (struct inline_remap): Add block_map.
14383 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
14384 NOTE_BLOCK on the notes.
14385 (expand_start_bindings): Rename to ...
14386 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
14387 (expand_end_bindings): Set NOTE_BLOCK.
14388 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
14389 reconstruct the BLOCK tree.
14390 * tree.h (expand_start_bindings): Macroize. Call ...
14391 (expand_start_bindings_and_block): New function.
14393 1999-12-16 Jakub Jelinek <jakub@redhat.com>
14395 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
14396 to match the format.
14398 1999-12-16 David S. Miller <davem@redhat.com>
14400 * expr.c (emit_move_insn_1): Only emit clobbers if one of
14401 the outputs is a SUBREG.
14402 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
14405 * config/sparc/sparc.c (epilogue_renumber): Add default case
14408 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14410 * toplev.c (rest_of_compilation): Run branch shortening after
14413 * regclass.c (loop_depth): Remove
14414 (scan_one_insn): Do not handle LOOP_NOTE insns.
14415 (regclass): Go through basic blocks and set loop_cost
14417 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
14419 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
14421 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14423 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
14424 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
14425 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
14427 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
14429 * loop.c (insert_loop_mem): Ignore memory clobbers.
14431 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
14434 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
14436 * profile.c: Remove redundant #include "output.h".
14438 * h8300.md (HImode preinc peephole): Fix typo.
14440 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14442 * function.c (retrofit_block): Abort if we don't find a suitable insn.
14443 (insert_block_after_note): Abort if we don't have a previous block.
14444 Remove FN parameter.
14445 * function.h: Adjust.
14447 1999-12-15 Mark Mitchell <mark@codesourcery.com>
14449 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
14450 argument more than once.
14452 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14454 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
14456 1999-12-15 Jakub Jelinek <jakub@redhat.com>
14458 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
14460 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14462 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
14463 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
14464 update stack_alignment_needed.
14465 (prepare_function_start): Initialize stack_alignment_needed
14466 * function.h (struct function): Add field stack_alignment_needed.
14468 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14470 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
14471 Handle live_throughout / dead_or_set instead of live_before /
14473 (save_call_clobbered_regs): Get register livenessinformation from
14474 chain->live_throughout.
14475 (add_stored_regs): New function.
14476 (insert_restore, insert_save): Add restored / saved registers to
14478 * global.c (reg_dies): New parameter chain.
14479 (reg_becomes_live): Third parameter is regs_set now.
14480 Changed all callers.
14481 (reg_dies): New parameter chain. Changed all callers.
14482 (build_insn_chain): Set live_throughout instead of
14483 live_before / live_after.
14484 * reload.h (struct insn_chain): Replace members live_before /
14485 live_after with live_throughout / dead_or_set.
14486 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
14487 instead of live_before / live_after.
14488 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
14489 (order_regs_for_reload, find_reg, finish_spills): Likewise.
14490 (choose_reload_regs_init): Likewise.
14491 * stupid.c (current_chain, find_clobbered_regs): Delete.
14492 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
14493 instead of chain->live_before / chain->live_after.
14494 (mark_hard_ref): New function.
14495 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
14497 1999-12-15 David S. Miller <davem@redhat.com>
14499 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
14501 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14503 * flow.c (calculate_loop_depth): Make global, remove prototype,
14504 rewrite to use new loop infrastructure.
14505 (find_basic_block): Remove calculate_loop_depth call.
14506 * toplev.c (rest_of_compilation): Call find_basic_block.
14507 * output.h (calculate_loop_depth): Declare.
14509 * flow.c (dump_flow_info): Dump loop_depth.
14510 (flow_loops_nodes_find): Increase loop_depth for basic block in the
14512 (flow_loops_find): Initialize the loop_depth for each basic block.
14514 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
14516 * tree.c (decl_function_context): Handle virtual functions.
14518 * tlink.c (scan_linker_output): Don't look in demangled name when
14519 looking for linker output keywords.
14521 * dwarfout.c (output_type): We can defer namespace-scope classes.
14523 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
14525 * regclass.c (record_reg_classes): Update comment for merging
14526 register class preferences in reg->reg copies. Tighten conditions
14527 for merging register class preferences in reg->reg copies.
14529 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
14531 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
14533 1999-12-14 Geoff Keating <geoffk@cygnus.com>
14535 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
14536 (INIT_SECTION_ASM_OP): Delete.
14537 (FINI_SECTION_ASM_OP): Delete.
14538 (STARTFILE_SPEC): Define to hold just crtbegin.o.
14540 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
14542 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
14543 the abstract origin wasn't emitted.
14545 * dwarf2out.c (class_scope_p): New fn.
14546 (gen_subprogram_die): Use it.
14547 (gen_variable_die): Use it. Tweak logic.
14548 (gen_struct_or_union_type_die): Check context_die to determine
14549 if we're function-local.
14550 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
14552 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14554 * loop.c (check_dbra_loop): Can't reverse a biv that has
14555 maybe_multiple set.
14557 1999-12-14 Nick Clifton <nickc@cygnus.com>
14559 * config/arm/arm.c: Add support for -mcpu=arm720 command line
14562 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14564 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
14565 for givs made from biv increments.
14567 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
14569 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
14570 * alpha.c (override_options): Recognize -mcpu=ev67.
14571 * alpha.h (CPP_CPU_EV67_SPEC): New.
14572 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
14573 (EXTRA_SPECS): Update.
14575 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
14577 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
14578 appropriate for -lang-c89 and -std=*.
14579 * cppinit.c (cpp_handle_option): Likewise.
14580 (new_pending_define): New, split out from cpp_handle_option.
14581 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
14582 or enable trigraphs for -ansi/-std=*.
14584 * ginclude/stdarg.h (__va_copy): New.
14585 (va_copy): Don't define for C89.
14587 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
14589 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
14590 for long long multiply-accumulate.
14592 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14594 * regclass.c (scan_one_insn): Set loop_cost to 1 when
14595 optimizing for size.
14597 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14599 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
14600 if something changed. Back out that part of yesterday's changes.
14602 * loop.c (loop_max_reg): New static variable.
14603 (loop_optimize): Initialize it. Eliminate one unnecessary call to
14605 (scan_loop): Call reg_scan_update whenever we may have added new
14606 registers, and update loop_max_reg.
14608 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14610 * regclass.c (record_reg_classes): Do not do the copying preferrencing
14611 when source does not die.
14613 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
14615 1999-12-14 Jakub Jelinek <jakub@redhat.com>
14617 * config/sparc/linux64.h (TARGET_LIVE_G0,
14618 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
14620 * config/sparc/linux.h (TARGET_LIVE_G0,
14621 TARGET_BROKEN_SAVERESTORE): Likewise.
14622 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
14623 TARGET_BROKEN_SAVERESTORE): Likewise.
14625 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
14626 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
14628 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
14629 as sparc64 block profiling register.
14630 * config/sparc/sparc.c (sparc_override_options): Allow block
14631 profiling with -m32.
14632 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
14633 profiling register.
14634 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
14635 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
14636 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
14638 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
14640 * config/sparc/sparc.h: Likewise.
14641 * config/sparc/xm-sysv4-64.h: Likewise.
14642 * config/float-sparc.h: Likewise.
14643 * glimits.h: Likewise.
14644 * longlong.h: Likewise.
14646 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
14647 (ASM_IDENTIFY_GCC): Remove.
14649 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
14651 * combine.c (combine_simplify_rtx): Don't make shared rtl.
14652 (simplify_logical): Likewise.
14654 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14656 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
14657 * cppfiles.c (INO_T_EQ): Likewise.
14659 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
14661 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
14662 * i386/mingw32.h (LIB_SPEC): Likewise.
14663 (STARTFILE_SPEC): Likewise.
14664 * i386/uwin.h (LIB_SPEC): Likewise.
14665 (STARTFILE_SPEC): Likewise.
14667 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
14668 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
14670 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
14672 * combine.c (combine_simplify_rtx): Fix order of checks for
14673 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
14675 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
14677 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
14678 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
14680 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14682 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
14684 * regclass.c (inv_reg_alloc_order): New array.
14685 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
14687 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
14688 counted_for_groups, counted_for_nongroups. Add fields rld and
14690 * reload.c (push_secondary_reload): Don't set nongroup field of
14692 (push_reload): Likewise.
14693 (find_reloads): Delete code to compute nongroup fields.
14694 * reload1.c (reload_insn_firstobj): New static variable.
14695 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
14697 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
14698 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
14699 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
14701 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
14703 (struct hard_reg_n_uses): Deleted.
14704 (potential_reload_regs): Deleted.
14705 (init_reload): Initialize spilled_pseudos and pseudos_counted.
14706 (reload): Don't try to allocate reload registers if we already know
14707 we have to make another pass. Call select_reload_regs. Free memory
14708 starting with reload_firstobj when starting another pass.
14709 Don't allocate spilled_pseudos.
14710 (calculate_needs_all_insns): Call copy_reloads for an insn that
14711 needs reloads; don't call calculate_needs.
14712 (spill_cost): New static array.
14713 (used_spill_regs_local): New static variable.
14714 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
14715 to compute potential_reload_regs.
14716 (find_reload_regs): Completely rewritten to use find_reg.
14717 (allocate_reload_reg): Don't test counted_for_groups or
14718 counted_for_nongroups. Lose NOERROR arg and code to give an error;
14719 all cllers changed.
14720 (choose_reload_regs): Add fallback code that uses the existing
14721 register allocation from find_reload_regs.
14723 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
14725 * flow.c (create_edge_list): Cast xmalloc return value.
14727 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
14729 * doprnt.c: Remove incorrect comment closure.
14731 * cse.c: Fix a few minor whitespace goofs.
14733 1999-12-13 Don Bowman <don@pixstream.com>
14735 * mips/vxworks.h: Fix problem with comment termination.
14736 (EXTRA_SECTIONS): Add in_sbss.
14737 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
14739 1999-12-12 David S. Miller <davem@redhat.com>
14741 * cse.c (struct cse_reg_info): Add hash_next member,
14742 reorder rest of struct for better packing on 64-bit
14744 (cse_reg_info_tree): Kill.
14745 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
14746 REGHASH_FN): New custom pow2 hash mechanism.
14748 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
14749 use a pow2 hash table.
14750 (get_cse_reg_info): Rework to use new REGHASH.
14751 (new_basic_block): Likewise, use HASH_SIZE, and inline
14753 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
14754 and inline free_element call.
14755 (lookup_as_function, insert, flush_hash_table, invalidate,
14756 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
14757 invalidate_for_call, use_related_value, find_comparison_args,
14758 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
14759 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
14760 get_element): Kill.
14762 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
14764 * cse.c (cse_basic_block): Free qty_table consistently.
14766 1999-12-12 David S. Miller <davem@redhat.com>
14767 Jakub Jelinek <jakub@redhat.com>
14769 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
14770 SUBREGs by hand, gen the appropriate hard reg directly.
14771 (movtf reg/mem split): Likewise and alter_subreg on destination
14773 (movtf mem/reg split): Similarly.
14774 (movdf_cc_sp64): Rename from hidden pattern.
14775 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
14776 (movtf_cc_sp64, following split): New pattern and splitter.
14777 (movdf_cc_reg_sp64): Rename from hidden pattern.
14778 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
14780 (movtf_cc_reg_sp64, following split): New pattern and splitter.
14782 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
14784 * loop.c (load_mems): Don't hoist written floating point mem
14787 1999-12-12 Mark Mitchell <mark@codesourcery.com>
14789 * except.h (struct eh_queue): Add `next' pointer.
14790 (struct eh_status): Make x_ehqueue a pointer.
14791 (push_ehqueue): Declare.
14792 (pop_ehqueue): Likewise.
14793 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
14795 (expand_fixup_region_end): Likewise.
14796 (expand_leftover_cleanups): Likewise.
14797 (push_ehqueue): Define.
14798 (pop_ehqueue): Likewise.
14799 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
14800 than doing it inline.
14801 (expand_start_all_catch): Adjust now that ehqueue is a
14803 (mark_eh_queue): Mark all level of the queue.
14804 (mark_eh_status): Adjust now that ehqueue is a
14806 (init_eh_for_function): Allocate ehqueue.
14807 (free_eh_status): Free it.
14808 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
14809 expansion for a fixup.
14811 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14813 * gthr-single.h (__gthread_active_p): Add prototype arguments.
14815 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
14816 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
14817 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
14818 function_ptr, getpagesize, __enable_execute_stack,
14819 __enable_execute_stack, __clear_insn_cache,
14820 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
14821 _cleanup, _exit, __default_terminate, __terminate_func,
14822 __terminate, __empty, __throw, new_eh_context,
14823 eh_context_initialize, eh_context_static, eh_context_specific,
14824 get_eh_context, __get_eh_context, __get_eh_info,
14825 init_reg_size_table, eh_threads_initialize,
14826 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
14827 __unwinding_cleanup, throw_helper, __throw, __rethrow,
14828 __pure_virtual): Add prototype arguments.
14829 (__bb_exit_func): Cast a sizeof to long when comparing against one.
14830 Cast a signed value to unsigned long when comparing against one.
14831 (new_eh_context): Wrap in _GTHREADS macro.
14832 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
14834 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
14835 (throw_helper): Initialize variables `handler_p' and `pc_p'.
14837 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14839 * combine.c (record_promoted_value): Remove unused variable
14842 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
14844 * global.c (record_conflicts): Likewise for `j'.
14846 * genoutput.c (output_insn_data): Don't unnecessarily cast away
14849 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14851 * i386-protos.h (output_387_binary_op, output_fix_trunc,
14852 output_fp_compare): Constify a char*.
14854 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
14856 (override_options, ix86_comp_type_attributes, print_operand,
14857 output_387_binary_op, output_fix_trunc, output_fp_compare):
14859 (ix86_sched_reorder): Mark parameter `clock_var' with
14862 * i386.h (DEBUG_PRINT_REG): Constify a char*.
14864 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
14866 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
14867 operand, for use in the Java front-end.
14869 1999-12-10 Ben Collins <bcollins@debian.org>
14871 * configure.in: Fix typo for "-64" in 64bit as check.
14872 * configure: Rebuilt.
14874 1999-12-10 Jakub Jelinek <jakub@redhat.com>
14876 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
14879 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14881 * c-parse.in (string): With -Wtraditional, warn if ANSI string
14882 concatenation is utilized.
14884 * invoke.texi (-Wtraditional): Document it.
14886 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14888 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
14889 Cast a ptrdiff_t to long and pass it to printf with %ld.
14891 1999-12-10 Geoff Keating <geoffk@cygnus.com>
14893 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
14894 68881, we have no 68881 registers at all.
14895 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
14896 value in a 68881 register if it is available.
14898 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
14900 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
14901 for long long multiply-accumulate.
14903 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
14905 * loop.c (insert_loop_mem): Undo last change.
14907 1999-12-10 David S. Miller <davem@redhat.com>
14909 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
14911 * config/sparc/sparc-protos.h: Add them.
14912 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
14913 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
14914 constraints which use those helpers.
14915 (EXTRA_CONSTRAINT): Use this new macro.
14916 * md.texi: Update sparc target constraints documentation.
14917 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
14918 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
14919 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
14920 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
14921 (movsf high/lo_sum split): Rework for new patterns.
14922 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
14924 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
14926 * c-common.c (c_common_nodes_and_builtins):
14927 Create __builtin_ptrdiff_t and __builtin_size_t.
14929 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
14931 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
14933 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14935 * regclass.c (globalize_reg): Re-instate test that allows
14936 fixed registers to be declared as a variable even after functions
14939 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14941 * i386.md (cpu attribute): Add "athlon".
14942 (athlon_decode): New attribute.
14943 (Athlon scheduling units definitions): New.
14944 (fcmp and shld patterns): Set athlon_decode to "vector".
14945 * i386.c (athlon_cost): New.
14947 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
14948 x86_use_sahf): Set for Athlon.
14949 (x86_use_fiop): Unset for Athlon.
14950 (override_options): Define Athlon alignments and "athlon" name.
14951 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
14952 * i386.h (TARGET_ATHLON): New.
14953 (enum processor_type): Add PROCESSOR_ATHLON.
14954 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
14956 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
14958 1999-12-09 Andreas Jaeger <aj@suse.de>
14960 * loop.c (record_biv): Declare parameter as int.
14962 * config/i386/i386-protos.h: Declare long_memory_operand.
14964 1999-12-09 Mark Mitchell <mark@codesourcery.com>
14966 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
14967 EXPR_WITH_FILE_LOCATION.
14969 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14971 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
14974 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
14976 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
14979 1999-12-09 Jakub Jelinek <jakub@redhat.com>
14981 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
14982 default on linux64 again.
14983 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
14984 models for multilibing.
14985 * genmultilib: Accept | as alternative separator within a set in
14988 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
14990 * calls.c (precompute_arguments): Make sure initial_value contains
14991 value pseudo which CSE expects.
14992 * cse.c (struct set): New entry orig_src.
14993 (cse_insn): Set it early on entry, use it for libcall EQUIV note
14996 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
14998 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15000 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15002 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
15004 1999-12-08 Jakub Jelinek <jakub@redhat.com>
15006 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
15007 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
15009 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
15012 * longlong.h: Merge in changes from glibc.
15013 Also don't clobber %g2 register in 32bit SPARC assembly, so that
15014 -mno-app-regs libgcc can be compiled.
15015 * libgcc2.c: Add defines so that the updated longlong.h
15016 can be used in libgcc2.a. Also, make sure on most architectures
15017 (at least on all which have optimized code in longlong.h defined
15018 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
15020 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15022 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
15023 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
15024 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
15026 * configure: Rebuilt.
15028 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
15030 * alpha.c (secondary_reload_class): For !BWX, sub-simode
15031 outputs require a register.
15033 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
15035 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
15036 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
15037 functions like dptoul will be resolved.
15038 (libgcc2.a): Make sure that the object files from DPBIT are named
15039 differently (prefix `_dp') from those that would be coming from
15042 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
15044 * configure.in: When target is sparc* and tm_file contains 64,
15045 test for 64bit support in assembler. If not supported, remove
15046 sparc/t-sol2-64 from target-dependent Makefile fragments.
15047 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
15048 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
15049 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
15050 * acconfig.h (AS_SPARC64_FLAG): Added.
15051 * configure, config.in: Rebuilt.
15052 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
15053 support. Use AS_SPARC64_FLAG.
15055 1999-12-07 Jakub Jelinek <jakub@redhat.com>
15057 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
15058 suitable for holding OFmode values so that gcc works with complex
15060 (hard_64bit_mode_classes): Likewise.
15062 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
15063 so that it is actually matched.
15064 (sethi_di_medlow): Likewise.
15066 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
15067 as legitimate constant if -mvis.
15068 * config/sparc/sparc.md (movtf): Likewise.
15069 (clear_sf): Use const_double_operand.
15070 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
15072 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
15073 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
15074 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
15075 routines, _Qp_* cannot be handled like that now.
15076 (INIT_TARGET_OPTABS): Likewise.
15077 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
15078 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
15079 sparc_emit_float_lib_cmp if ARCH64 and soft float.
15080 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
15081 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
15082 divtf3, sqrttf3): New expanders.
15083 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
15084 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
15085 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
15088 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
15089 * configure: Rebuilt.
15090 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
15091 -mcpu is given and we're doing 64bit compiles.
15093 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
15095 * loop.h (struct induction): Add multi_insn_incr.
15096 * loop.c (basic_induction_var): New multi_insn_incr argument.
15097 Set it if we search back through previous insns for the biv.
15098 (record_biv): New multi_insn_incr argument; fill in struct induction.
15099 (strength_reduce): Discard an iv with multiple bivs, any of
15100 which require multiple insns to increment.
15102 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15104 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
15107 1999-12-06 David S. Miller <davem@redhat.com>
15109 * combine.c (check_promoted_subreg): Do not conditionalize this upon
15110 PROMOTE_FUNCTION_RETURN.
15112 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
15114 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
15115 and handle REG_UNUSED note on insn.
15117 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
15118 inner_mask instead of mask.
15120 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
15122 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
15123 zero if there was an error.
15125 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15127 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
15130 * longlong.h: Fix clobbers in SPARC asm statements.
15132 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
15133 valid sethi operations when TARGET_ARCH64.
15135 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
15136 always use move_by_pieces to avoid infinite recursion.
15137 (restore_fixed_argument_area): Likewise.
15139 * combine.c (check_promoted_subreg, record_promoted_value): New
15141 (combine_instructions): Use them to retain nonzero and sign bit
15142 information after SUBREGs are eliminated by optimizations in
15143 this pass if PROMOTE_FUNCTION_RETURN.
15145 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
15146 .register declaration. Don't use variables with __ prefixes.
15148 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15150 * fold-const.c (optimize_bit_field_compare): Only use one mode
15151 for both RHS and LHS in non-constant case.
15153 1999-12-06 Nathan Sidwell <nathan@acm.org>
15155 * frame.c (start_fde_sort): Only allocate erratic array, if
15156 linear one was allocated. Return allocated flag.
15157 (fde_insert): Only insert, if there's a valid array.
15158 (fde_end_sort): Split, sort and merge if linear and erratic
15159 arrays exist, else just sort linear one.
15160 (search_fdes): New function. Linear search through original fde
15162 (frame_init): Permit multiple initializations. Cope with
15164 (find_fde): Fallback on linear search, if failed to sort array.
15165 (__deregister_frame_info): Only free sorted array, if we
15168 1999-12-06 Jakub Jelinek <jakub@redhat.com>
15170 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
15172 1999-12-05 Jakub Jelinek <jakub@redhat.com>
15174 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
15176 1999-12-05 Mark Mitchell <mark@codesourcery.com>
15178 * tree.h (special_function_p): Declare.
15179 * calls.c (special_function_p): Make it global. Don't take `name'
15180 as a parameter. Fix typo in 1999-11-28 change.
15181 (expand_cal): Adjust.
15183 1999-12-04 Mark Mitchell <mark@codesourcery.com>
15185 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
15186 * tree.h (EXPR_WFL_FILENAME): Define in terms of
15187 EXPR_WFL_FILENAME_NODE.
15188 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
15190 * print-tree.c (print_note): Print TREE_PRIVATE and
15193 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
15194 the original die cannot be found.
15196 * varray.h (varray_head_tag): Add elements_used.
15197 (VARRAY_PUSH): New macro.
15198 (VARRAY_POP): Likewise.
15199 (VARRAY_TOP): Likewise.
15200 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
15202 * varray.c (varray_init): Initialize elements_used.
15203 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
15204 (INTEGRATE_H): New variable.
15205 (integrate.o): Depend on INTEGRATE_H.
15206 (unroll.o): Likewise.
15208 * function.h (insert_block_after_note): Declare.
15209 * function.c (insert_block_after_note): Split out from ...
15210 (retrofit_block): ... here.
15212 * stmt.c (expand_fixup): Fix typo in comment.
15214 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15216 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
15217 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
15218 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
15219 (regmove_optimize, fixup_match_1): Likewise.
15221 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15223 * flow.c (flow_loops_dump): Add missing argument when calling
15224 flow_loop_nested_p.
15226 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
15227 Greg McGary <gkm@gnu.org>
15229 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
15230 (init_attributes): Add A_NO_LIMIT_STACK.
15231 (decl_attributes): Handle A_NO_LIMIT_STACK.
15232 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
15233 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
15234 Handle stack bounds checking.
15235 * flags.h (flag_stack_check): Use the word 'probe' rather than
15236 'check', because the flag doesn't actually cause any checking to
15238 * function.c (expand_function_start): Set
15239 current_function_limit_stack.
15240 * function.h (struct function): Add limit_stack.
15241 (current_function_limit_stack): Define.
15242 * invoke.texi (Code Gen Options): Document new options.
15243 * rtl.h: Declare stack_limit_rtx.
15244 * toplev.c (stack_limit_rtx): New variable.
15245 (decode_f_option): Handle new options -fstack-limit-register=REG,
15246 -fstack-limit-symbol=IDENT, -fno-stack-limit.
15247 (main): Add stack_limit_rtx as GC root.
15248 * tree.h (DECL_NO_LIMIT_STACK): New macro.
15249 (struct tree_decl): New member no_limit_stack.
15251 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
15253 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
15254 (conditional_trap+1): Get new mnemonic correct.
15255 (conditional_trap+2): New pattern for DImode traps.
15257 * config/m68k/m68k.c (output_function_prologue): Handle
15259 * config/m68k/m68k.md (trap): New insn.
15260 (conditional_trap): New insn.
15261 * md.texi (Standard Names): Document `trap' and
15262 `conditional_trap'.
15263 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
15264 so a cc0 setter doesn't get emitted at some random place in the
15267 * config/i960/i960.md (trap): New insn.
15268 (conditional_trap): New expander.
15269 (conditional_trap+1, conditional_trap+2): New insns for signed
15270 and unsigned cases.
15271 * config/i960/i960.c (i960_function_prologue): Use
15272 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
15274 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
15275 Geoffrey Keating <geoffk@cygnus.com>
15277 * flags.h (warn_padded, warn_packed): Add global var decls.
15278 * toplev.c (warn_padded, warn_packed): Add global var defns.
15279 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
15280 * stor-layout.c (layout_record): Add local variable `type'
15281 to hold often-used TREE_TYPE (field). Add local variable
15282 `unpacked_align' to hold alignment that would be in force
15283 if no `packed' attribute were present. Warn if `packed' attribute
15284 is unnecessary, or even harmful. Warn when gcc inserts padding
15285 to satisfy alignment requirements of members. Use NULL_TREE
15286 when checking whether var_size is set.
15287 * invoke.texi: Document new flags.
15289 1999-12-03 Nathan Sidwell <nathan@acm.org>
15291 * frame.c (fde_split): Reimplement to avoid variable sized array.
15293 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15295 * combine.c (try_combine): Before fixing up LOG_LINKS for the
15296 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
15298 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
15300 * invoke.texi: Document the mips option -mno-crt0
15302 1999-12-02 Mike Karr <mkarr@mathworks.com>
15304 * cccp.c (argdata): Added free_ptr member.
15305 (macroexpand): Initialize free_ptr of each argument. When an
15306 argument's buffers are freed, if the argument's free_ptr corresponds
15307 to a buffer on the input stack, then return the free_ptr to that stack
15308 frame, otherwise, free it.
15309 (macarg): If an argument begins and ends on the same input stack level,
15310 then transfer the free_ptr of that buffer to the argument in case
15311 the stack is popped during the processing of a subsequent argument.
15313 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
15315 * loop.c (note_reg_stored): New function.
15316 (struct note_reg_stored_arg): New structure.
15317 (try_copy_prop): Change to be more conservative; only replace within
15318 one extended basic block and stop replacing if a store to the
15319 replacement reg is seen.
15321 1999-12-02 Nick Clifton <nickc@cygnus.com>
15323 * config/fp-bit.c: Initialise all fields of the NAN
15326 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
15329 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15331 * i386.md (extend?f?f2): Force the input into a register, not
15334 1999-12-01 Jakub Jelinek <jakub@redhat.com>
15336 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
15338 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
15339 alternative because setting up 64bit constant is usually costly,
15340 especially when reload is in progress or completed.
15341 (movdf_const_intreg_sp64): Likewise.
15342 (movdf_const_intreg split): Fix building up constants when
15343 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
15345 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
15347 * combine.c (if_then_else_cond): Use const_true_rtx instead of
15348 const1_rtx for return values in EQ/NE comparison against (const_int 0)
15351 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
15352 (asm_file_start): Emit .am33 into assembly file when compiling for
15354 (print_operand_address): Handle POST_INC addresses.
15355 (can_use_return_insn, initial_offset): Check AM33 registers too.
15356 (expand_prologue): Check & save AM33 registers too.
15357 (expand_epilogue): Similarly.
15358 (secondary_reload_class): Handle AM33 specific secondary reloads.
15359 (output_tst): Emit efficient code for the AM33 too.
15360 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
15361 (TARGET_SWITCHES): Add -mam33 switch.
15362 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
15363 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
15364 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
15365 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
15366 (enum reg_class, REG_CLASS_NAMES): Likewise.
15367 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
15368 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
15369 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
15370 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
15371 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
15372 (HAVE_POST_INCREMENT): Define.
15373 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
15374 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
15375 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
15376 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
15377 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
15378 (zero_extend to SI from QI/HI): Likewise.
15379 (sign_extend to SI from QI/HI): Likewise.
15380 (mulsidi3, umulsidi3): New patterns for the AM33.
15381 (tstsi with zero extension from QI/HI): Add AM33 variants.
15382 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
15383 (return_internal_regs, store_movm): Handle new AM33 registers.
15384 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
15385 (LIBGCC, INSTALL_LIBGCC): Likewise.
15386 * invoke.texi: Document new flags.
15388 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15390 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
15391 (addsi3_carry): Likewise.
15392 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
15393 (sbbsi3_carry): Likewise.
15394 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
15395 (mulhi3): Likewise.
15396 (test?i_1): Ensure that only one operand is memory.
15397 (conditional move patterns): likewise.
15398 (shift and rotate patterns): Rewrite to expander, add
15399 "binary_operator_ok" to the condition.
15401 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
15402 * i386.h (procesor_costs): Add movzbl_load field.
15403 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
15404 non-Q registers, accept DImode registers anywhere.
15406 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
15407 * i386.c (*_cost): Set value for movxbl_load field.
15409 * (addsi): New add to lea splitter.
15410 (ashlsi): Likewise.
15411 (lea to add/shift peep2): New.
15413 1999-12-01 Mark Salter <msalter@cygnus.com>
15415 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
15416 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
15417 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
15419 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15421 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
15422 * i386.md (movsi_xor): New.
15424 (movsi_1, movhi_1, movqi_1): Remove.
15425 (movsi_2): Rename to movsi_1.
15426 (movhi_2): Rename to movhi_1.
15427 (movqi_2): Rename to movqi_1.
15428 (movdi_1): Remove; remove splitter.
15429 (movdi_2): Rename to movdi_1.
15430 (divmodsi4 splitter): Do not emit clobbers for move patterns.
15431 (long move peep2): Do not create QI or HI mode mov0s
15432 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
15434 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
15437 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
15438 (abs?f2_if): Likewise.
15440 1999-11-30 Alex Samuel <samuel@codesourcery.com>
15442 * ggc.h (ggc_test_and_set_mark): New macro.
15443 (ggc_mark_rtx): Use ggc_test_and_set_mark.
15444 (ggc_mark_tree): Likewise.
15445 (ggc_mark_rtvec): Likewise.
15446 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
15448 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
15450 * dwarf2out.c (scope_die_for): Only handle types. Only search for
15452 (decl_scope_table): Just an array of trees now.
15453 (push_decl_scope): Simplify.
15454 (dwarf2out_init): Adjust.
15455 (local_scope_p): New fn.
15456 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
15457 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
15458 (gen_typedef_die): Likewise.
15459 (gen_lexical_block_die): Don't call push/pop_decl_scope.
15460 (gen_inlined_subroutine_die): Likewise.
15461 (gen_abstract_function): Set current_function_decl temporarily.
15462 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
15463 Handle block extern declarations. Don't call push/pop_decl_scope.
15464 (gen_decl_die): Fix logic for block externs.
15466 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15468 * calls.c (special_function_p): Remove `realloc' and add `strdup'
15469 to the list of functions which have attribute malloc by default.
15471 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15473 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
15474 integer constant does not match the traditional type, limit the
15475 warnings to cases where the base of the type is ten.
15477 * invoke.texi (-Wtraditional): Document it.
15479 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15481 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
15482 * rs6000.md: Only access a CONST_INT with INTVAL
15484 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
15486 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
15487 (compute_nearerout): Likewise.
15488 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
15489 size_t to unsigned long for formatting.
15491 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15493 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
15494 Allow the user to override call-used/fixed state of %g2-5
15495 registers from the command line (with the exception of %g4 for
15497 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
15498 there is a higher chance of having a leaf function.
15499 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
15500 for ARCH64 which has %ccr register.
15501 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
15503 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
15504 insn accept into delay slot any insn which does not use %[ol]
15505 registers. Accept some LO_SUM and shift left by 1 for the normal
15507 (output_function_epilogue): Likewise.
15508 (epilogue_renumber): Added argument which inhibits any renumbering
15509 and just tests if the rtx does not use any %[ol] registers.
15510 (output_return): Reflect above change.
15512 1999-11-30 Jakub Jelinek <jakub@redhat.com>
15514 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
15515 aggregate passing for sizes <= 16 bytes.
15517 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
15519 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
15520 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
15521 * reload.c (find_dummy_reload): Likewise.
15522 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
15523 * reload1.c (reload_as_needed): Likewise.
15524 * stupid.c (stupid_find_reg): Likewise.
15525 * tm.texi (Obsolete Register Macros): Delete section.
15526 * gmicro.h: Remove all traces of the two macros.
15527 * i386.h: Likewise.
15528 * m88k.h: Likewise.
15529 * mips.h: Likewise.
15531 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
15533 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
15534 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
15535 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
15536 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
15537 units for the sparclite86x chip.
15538 (flush): Revert October 14th change; add SImode specifically.
15539 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
15540 * invoke.texi: Document it.
15542 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
15544 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
15545 psimode_truncation_operand.
15547 * config/mn10200/mn10200.c (psimode_truncation_operand): New
15548 function. Return true if the operand is either a MEM valid
15549 for a PSImode address or not a MEM at all.
15551 * config/mn10200/mn10200.md (truncsipsi2): Use
15552 psimode_truncation_operand.
15554 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15556 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
15557 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
15558 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
15559 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
15560 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
15561 (flow_loop_level_compute, low_loops_level_compute): Likewise.
15562 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
15563 * basic-block.h: Protect from multiple inclusion.
15564 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
15565 (struct loops, struct loop): Define structures.
15566 * sbitmap.c (sbitmap_a_subset_b_p): New function.
15567 * sbitmap.h: Protect from multiple inclusion.
15568 (sbitmap_a_subset_b_p): Add prototype.
15569 * Makefile.in (LOOP_H): New macro.
15570 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
15572 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
15574 * cppinit.c (CAT): The argument list of this macro may not contain
15577 1999-11-29 David S. Miller <davem@redhat.com>
15579 Move quantity tables and register equivalence chains into
15580 per-qty and per-register structure arrays respectively.
15581 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
15582 qty_const_insn, qty_comparison_code, qty_comparison_const,
15583 qty_comparison_qty): Delete, replace with...
15584 (qty_table): this structure table.
15585 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
15586 (reg_eqv_table): this structure table.
15587 (make_new_qty): Add argument MODE. Caller updated.
15588 Update to use qty_table and reg_eqv_table.
15589 (make_regs_eqv, delete_reg_equiv, insert_regs,
15590 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
15591 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
15592 cse_process_notes, cse_main, cse_basic_block): Likewise.
15594 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15596 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
15597 operation if C is negative.
15598 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
15599 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
15600 law for some divisions if constant is negative and change other
15601 divisions to the opposite rounding.
15603 * expr.c (store_constructor_field): If bit position is not multiple
15604 of alignment of TARGET's mode, use BLKmode.
15606 * expr.c (expand_expr_unaligned): Add more code from full case
15607 that is needed when OP0 is in a register.
15609 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15611 * dwarfout.c (field_byte_offset): Size can be zero if there was
15614 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15616 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
15617 (associate_trees): Delete unused var TEM.
15618 (extract_muldiv): Delete unused var CANCEL_P.
15620 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
15621 (target_isinf, target_isnan, target_negative): Add return types to
15622 function definitions.
15624 1999-11-29 Bruce Korb <autogen@linuxbox.com>
15626 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
15627 * fixinc/hackshell.tpl: ditto
15628 * fixinc/fixtests.c(double_slash_test): more C++ header testing
15629 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
15631 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
15633 * reload.c (push_reload): When looking for a register to put into
15634 reg_rtx, make sure all hard regs in a multi-reg register are in the
15635 right class and nonfixed.
15637 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
15638 pending_read_insns, pending_write_insns, pending_read_mems,
15639 pending_write_mems, pending_list_length, last_pending_memory_flush,
15640 last_function_call, sched_before_next_call): Move static variables
15642 (bb_ prefixed versions): Replace with single array bb_deps.
15643 (struct deps): New structure.
15644 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
15645 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
15646 argument of type "struct deps *"; use that instead of global
15647 variables. All callers changed.
15648 (init_rgn_data_dependencies): Delete function.
15649 (init_rtx_vector): Delete function.
15650 (init_deps): New function.
15652 (free_pending_lists): Simplify, we always use the bb_deps array even
15653 if only one basic block.
15654 (compute_block_backward_dependences): Likewise.
15655 (schedule_region): Likewise.
15657 (propagate_deps): New function, broken out of
15658 compute_block_backward_dependences.
15659 (compute_block_backward_dependences): Use it.
15661 * alpha.md: Delete useless patterns that tried to work around
15662 register elimination problems.
15664 * unroll.c (loop_iterations): Don't abort if iteration variable
15667 From Joern Rennecke:
15668 * reload1.c (reloads_conflict): Reverse test comparing operand
15669 numbers when testing for conflict between output/outaddr reloads.
15671 1999-11-29 David S. Miller <davem@redhat.com>
15673 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
15675 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
15677 1999-11-28 Robert Lipe <robertl@cygnus.com>
15679 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
15680 table from .fini into .dtor.
15682 1999-11-28 Anthony Green <green@cygnus.com>
15684 * tree.h (struct tree_decl): Add malloc_flag.
15685 (DECL_IS_MALLOC): Define.
15686 * c-common.c (attrs): Add A_MALLOC attribute.
15687 (init_attributes): Add this attribute to the table.
15688 (decl_attributes): Handle malloc attribute.
15689 * calls.c (special_function_p): Check for the malloc attribute.
15690 * extend.texi (Function Attributes): Document malloc attribute.
15692 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
15694 * pa.md (reload shift-add patterns): Remove.
15696 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15698 * reorg.c (dbr_schedule) Print more statistics. Corrected
15699 problem when printing info when 3 delay slots are filled.
15701 1999-11-28 Jakub Jelinek <jakub@redhat.com>
15703 * combine.c (setup_incoming_promotions): Pass an outgoing
15704 regno to FUNCTION_ARG_REGNO_P which it expects.
15706 1999-11-28 Andreas Jaeger <aj@suse.de>
15708 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
15710 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
15712 * cccp.c (do_include): Avoid initialization of automatic variable.
15714 * integrate.c (mark_stores): Function definition made void, to match
15715 previous declaration.
15716 * regclass.c (dump_regclass): Ditto.
15717 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
15719 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15721 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
15722 known to be multiple of divisor.
15724 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
15726 * combine.c (try_combine): Add code to try to merge a set of a
15727 two-word pseudo to a constant with a setting of one of those words
15730 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
15731 (split_tree): Completely rework to make more general.
15732 (make_range, fold): Call negate_expr.
15733 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
15734 (fold, associate): Call new split_tree and associate_trees.
15735 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
15737 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
15739 * loop.c (try_copy_prop): Avoid GNU C extension.
15741 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15743 * except.c (init_eh_for_function): Still zero eh_return_context,
15744 eh_return_stack_adjust, and eh_return_handler.
15746 * except.h (eh_status): Adjust documentation for x_protect_list.
15747 (begin_protect_partials): New function.
15748 * except.c (enqueue_eh_entry): Fix formatting.
15749 (get_first_handler): Add consistency check.
15750 (add_partial_entry): Adjust usage of protect_list.
15751 (emit_cleanup_handler): Save and restore ehqueue.
15752 (expand_start_all_catch): Add comment.
15753 (begin_protect_partials): New function.
15754 (end_protect_partials): Adjust usage of protect_list.
15755 (init_eh_for_function): Use xcalloc.
15757 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15759 * c-common.c (check_format_info): Don't call a variadic function
15760 with a non-literal format string.
15762 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
15764 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
15765 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
15768 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
15771 * collect2.c (collect_wait): Likewise.
15773 * dbxout.c (dbxout_type): Likewise.
15775 * gcc.c (do_spec_1): Likewise.
15777 * genemit.c (gen_insn, gen_expand): Likewise.
15779 * genrecog.c (write_switch, write_subroutine): Likewise.
15781 * mips-tfile.c (catch_signal, botch): Likewise.
15783 * print-rtl.c (print_rtx): Likewise.
15785 * toplev.c (default_print_error_function, report_error_function,
15786 _fatal_insn): Likewise.
15788 1999-11-25 Mark Mitchell <mark@codesourcery.com>
15790 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
15792 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15794 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
15795 operations when needed.
15796 * i386.md (fop_?f_comm): New.
15797 (fop_?f_1): Do not accept commutative operands.
15799 1999-11-25 Andreas Jaeger <aj@suse.de>
15801 * config/mips/mips.md (casesi_internal): Add missing brace.
15803 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
15805 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
15806 (splice_child_die): Handle moving a child DIE from the declaration
15807 DIE of a class to its specification.
15808 (gen_struct_or_union_type_die): Use 'complete' consistently.
15809 (gen_decl_die): Generate the virtual context DIE first.
15810 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
15812 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
15814 * config/mips/mips.md (call_value_multiple_interanal1): New.
15816 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
15818 * dwarf2out.c (free_AT, free_die): New fns.
15819 (remove_children): Call them.
15820 (output_line_info): Disable removal of duplicate notes.
15822 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
15823 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
15824 means pretend the type isn't defined.
15825 Don't defer emitting types.
15826 (gen_type_die_for_member): New fn.
15827 (gen_decl_die): Call it.
15828 (splice_child_die): New fn.
15829 (gen_member_die): Call it rather than generate duplicate dies.
15831 Defer emitting information for the abstract instance of an inline
15832 until we either inline it or emit an out-of-line copy.
15833 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
15834 from output_inline_function if DECL_ABSTRACT is also set.
15835 (block_ultimate_origin): Likewise.
15836 (gen_abstract_function): New fn.
15837 (gen_decl_die, gen_inlined_subroutine_die): Call it.
15838 (gen_subprogram_die): An abstract instance is not a declaration
15839 just because it doesn't match current_function_decl. Don't abort
15840 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
15841 has an abstract origin.
15842 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
15843 abstract instance here.
15845 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
15847 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
15848 where we need to reload fpul from a system register.
15850 1999-11-24 Andreas Jaeger <aj@suse.de>
15852 * config/mips/linux.h (CPP_PREDEFINES): Added.
15853 (LINK_SPEC): Remove -Y since this is only needed on sparc.
15855 1999-11-24 Andreas Jaeger <aj@suse.de>
15857 * config/mips/linux.h (TARGET_VERSION): Added.
15858 (HANDLE_SYSV_PRAGMA): Added.
15859 (DEFAULT_VTABLE_THUNKS): Added.
15861 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15863 * local-alloc.c (qty): New structure and static variable.
15864 (qty_phys_reg): Remove, all references changed to qty.
15865 (qty_n_refs): Likewise.
15866 (qty_min_class): Likewise.
15867 (qty_birth): Likewise.
15868 (qty_death): Likewise.
15869 (qty_size): Likewise.
15870 (qty_mode): Likewise.
15871 (qty_n_calls_crossed): Likewise.
15872 (qty_alternate_class): Likewise.
15873 (qty_changes_size): Likewise.
15874 (qty_first_reg): Likewise.
15875 (alloc_qty): Rename variable QTY to QTYNO.
15876 (finf_free_reg): Likewise.
15877 (local_alloc): Allocate qty, do not allocate the removed variables.
15879 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
15881 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
15882 when -membedded-pic is passed.
15884 * config/mips/mips.md (casesi): Handle 64-bit case too.
15885 (casesi_internal_di): New insn.
15887 * config/mips/mips.c (embedded_pic_offset): Always make the
15888 embedded-pic subtractions relative to the name of the current
15889 function by use of the magic string "..CURRENT_FUNCTION".
15890 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
15892 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
15894 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
15895 of (const_int 0), when what we really care about is
15896 whether it's a zero constant anyway.
15897 (div_trap_mips16): Likewise.
15899 1999-11-23 Mark Mitchell <mark@codesourcery.com>
15901 * loop.c (loop_optimize): Always find_loop_tree_blocks and
15902 unroll_block_trees when generating debuggable code.
15904 * tree.h (unsave_expr_1): New function.
15905 (lang_unsave): New variable.
15906 (get_callee_fndecl): New function.
15907 * tree.c (unsave_expr_now_r): New function.
15908 (lang_unsave): Define.
15909 (unsave_expr_1): Likewise.
15910 (unsave_expr_now_r): Split out from unsave_expr_now.
15911 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
15912 call unsave_expr_now_r.
15913 (get_callee_fndecl): Define.
15915 * Makefile.in (gencheck): Don't depend on lang_tree_files.
15916 (gencheck.o): Do depend on lang_tree_files.
15918 * integrate.h (copy_decl_for_inlining): New declaration.
15919 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
15920 (copy_decl_for_inlining): New function.
15921 (integrate_parm_decls): Use it.
15922 (integrate_decl_tree): Likewise.
15924 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
15926 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
15927 the second two from the first.
15928 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
15929 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
15930 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15932 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
15933 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
15936 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
15938 * pa.md (call_internal_symref, call_value_internal_symref): No mode
15939 needed on the address operand.
15940 * pa.c (call_operand_address): Check for the correct mode.
15942 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
15944 * loop.c: Include "basic-block.h".
15945 (try_copy_prop, replace_loop_reg): New functions.
15946 (load_mems): Detect registers that just hold copies of the hoisted
15947 mem, and call try_copy_prop to eliminate them.
15948 * Makefile.in (loop.o): Update dependencies.
15950 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
15952 * Makefile.in (gencheck.o): Depend on gencheck.h.
15953 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
15954 (insn-peep.o): Depend on except.h and function.h.
15955 (insn-attrtab.o): Depend on RECOG_H.
15956 (insn-output.o): Depend on toplev.h and flags.h.
15957 (gengenrtl.o): Depend on real.h.
15958 (gen-protos.o): Depend on cpplib.h and cpphash.h.
15959 Unify all dependencies to be on RECOG_H rather than recog.h.
15961 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15963 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
15964 * configure.in: Try building a bi-arch 32/64-bit compiler on
15965 sparc-*-solaris2.7 and higher.
15966 * configure: Rebuild.
15968 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
15970 * config/freebsd.h: New, FreeBSD architecture independent file.
15971 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
15972 independent pieces.
15973 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
15974 directly by i386/freebsd.h.
15975 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
15976 independent configuration file.
15977 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
15978 directly by i386/freebsd.h.
15979 * configure: Rebuilt.
15981 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
15982 which is in the user's namespace.
15983 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
15984 `i386' which is not in our namespace.
15986 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
15988 * invoke.texi (ARM Options): Add in -mno-alignment-traps
15990 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
15992 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
15993 (add_dwarf_attr, add_child_die): Just push onto the front.
15994 (reverse_die_lists): New fn.
15995 (add_sibling_attributes): Use it.
15996 (push_decl_scope): Reorganize.
15997 (add_name_and_src_coords_attributes): Don't set file and line for
15998 an artificial decl.
15999 (gen_subprogram_die): An artificial function doesn't need to match
16001 (gen_compile_unit_die): Return the generated die. Only add
16002 AT_comp_dir if the filename is relative.
16003 (remove_AT): Simplify loop. Also free string values.
16004 (output_die): A DIE ref can't be null.
16005 (output_value_format, value_format): Take a dw_attr_ref.
16006 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
16007 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
16008 AT_addr, AT_lbl): New fns.
16009 (various): Use them.
16010 (various): Constify.
16012 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16014 * combine.c (combine_simplify_rtx): When handling a SUBREG,
16015 take SUBREG_WORD into account.
16016 (if_then_else_cond): Likewise.
16018 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16020 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
16021 clause from BSD license, pursuant with
16023 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
16025 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
16027 * loop.c (load_mems): Reformat slightly.
16028 * basic-block.h (regset_head): New typedef.
16029 (INIT_REG_SET): New macro.
16031 1999-11-22 Bruce Korb <autogen@linuxbox.com
16033 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
16034 (mips-dec-bsd*): non-functional code
16035 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
16037 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
16038 added three replacement fixes
16039 (no_double_slash): removed comments that are not (any longer) pertinent
16040 (bad_lval): this fix currently runs against many files.
16041 The comment seems to indicate that we should select for files
16042 containing 'pragma extern_prefix'.
16044 * fixinc/fixinc.x86-linux-gnu: deleted
16045 * fixinc/inclhack.sh: regen
16046 * fixinc/fixincl.x: regen
16047 * fixinc/fixincl.sh: regen
16049 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
16051 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
16052 its code is INSN and it has no notes.
16054 1999-11-22 Andrew Haley <aph@cygnus.com>
16056 * varasm.c (function_defined): Remove.
16057 (make_function_rtl): Don't set function_defined.
16058 (make_decl_rtl): Remove global register warning.
16059 * regclass.c (no_global_reg_vars): New variable.
16060 (globalize_reg): Warn if function has already been defined.
16061 (regclass_init): Set no_global_reg_vars.
16063 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16065 * regclass.c (reg_pref): New structure and static variable
16066 (prefclass): Delete.
16067 (altclass): Delete.
16068 (all uses of prefclass and altclass): Use reg_pref instead.
16070 1999-11-21 Nick Clifton <nickc@cygnus.com>
16072 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
16074 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
16075 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16076 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
16078 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
16080 * varasm.c (output_constructor): Solve problem with long long
16081 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
16083 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16085 * global.c (allocno): New structure and static variable.
16086 (allocno_reg): Remove, all references replaced by allocno.
16087 (allocno_size): Likewise.
16088 (hard_reg_conflicts): Likewise.
16089 (hard_reg_preferences): Likewise.
16090 (hard_reg_copy_preferences): Likewise.
16091 (hard_reg_full_preferences): Likewise.
16092 (regs_someone_prefers): Likewise.
16093 (allocno_calls_crossed): Likewise.
16094 (allocno_n_refs): Likewise.
16095 (allocno_live_length): Likewise.
16096 (find_reg): Rename ALLOCNO to NUM.
16098 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
16099 references updated.
16100 (may_move_out_cost): New variable.
16101 (init_reg_sets_1): Initialize may_move_out_cost.
16102 (record_reg_classes): Use may_move_out_cost.
16104 * regclass.c (dump_regclass): New function.
16105 (regclass): New parameter DUMP, call DUMP_REGCLASS.
16106 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
16107 pass rtl_dump_file to regclass.
16108 * rtl.h (regclass): Update prototype.
16110 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16112 * i386.md (neg, not and abs patterns): Revmap to use
16113 ix86_expand_unary_operator and ix86_unary_operator_ok.
16114 (add?f and sub?f expanders): Force operand 1 to register.
16115 * i386.c (ix86_expand_unary_operator): Rewrite.
16116 (ix86_unary_operator_ok): Ensure that memory operands
16118 (ix86_binary_operator_ok): Do not allow operand 1 to
16119 come into memory and operand 0 not.
16120 (ix86_expand_binary_operator): Ensure that
16121 src1 is not non-matching memory.
16123 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
16124 to support integer registers and memory.
16125 (abss?2_integer): Likewise.
16127 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
16128 (REG_CLASS_NAMES): Likewise.
16129 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
16131 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
16132 (movsf): Likewise; unify 4th and 5th alternative.
16133 (pushdf): Likewise.
16134 (movdf_1): Likewise; rename to movdf_integer.
16135 (pushxf): Likewise; rename to pushxf_integer; fix output template;
16136 remove redundant splitter.
16137 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
16138 (movdf_nointeger): New.
16139 (movxf_nointeger): New.
16140 (pushxf_nointeger): New.
16142 * i386.md (extend?f?f): Split to expander and pattern, refuse two
16143 memory operands in patterns.
16144 (fop*): Refuse two memory operands.
16146 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
16147 on !TARGET_USE_CLTD CPUs.
16149 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
16151 * extend.texi: Document C++ restricted pointers and references.
16153 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
16155 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
16156 (invalidate_skipped_set): Call it unconditionally.
16157 (cse_set_around_loop): Likewise.
16159 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16161 * rtl.texi (mem): Add documentation for alias-set argument
16164 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16166 * i386.h (struct_processor_costs): New fields int_load, int_store,
16167 fp_move, fp_load and fp_store
16168 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
16170 (MEMORY_MOVE_COST): New macro.
16171 * i386.c (386_cost): Define new fields.
16172 (i486_cost): Likewise.
16173 (pentium_cost): Likewise.
16174 (pentiumpro_cost): Likewise.
16175 (k6_cost): Likewise.
16177 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
16178 Geoffrey Keating <geoffk@cygnus.com>
16180 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
16182 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
16185 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
16186 (TARGET_STRICT_ALIGNMENT): New macro.
16187 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
16188 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
16189 * invoke.texi (M680x0 Options): Document -mstrict-align.
16191 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
16192 Richard Henderson <rth@cygnus.com>
16194 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
16195 (ix86_split_long_move): Declare.
16196 * i386.c (split_xf, ix86_split_movdi): Remove.
16197 (ix86_split_to_parts, ix86_split_long_move): New.
16198 * i386.md (dimode move splitters): Use ix86_split_long_move.
16199 (dfmode move splitters): Likewise.
16200 (xfmode move splitters): Likewise.
16201 (movsf_1): Allow F->r.
16202 (movdf_1, movxf_1): Allow F->ro.
16204 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16206 * except.h (struct eh_entry): Add goto_entry_p.
16207 (eh_region_from_symbol): Remove prototype.
16208 * except.c (find_func_region_from_symbol): New function.
16209 (emit_cleanup_handler): Likewise.
16210 (eh_region_from_symbol): Make it static.
16211 (add_new_handler): Verify the argument.
16212 (find_func_region): Update comment.
16213 (expand_eh_region_end): Expand handlers here, rater than waiting
16214 until expand_leftover_cleanups or start_all_catch.
16215 (expand_leftover_cleanups): Don't expand here.
16216 (expand_start_all_catch): Or here.
16217 (expand_rethrow): Check the return value from find_func_region.
16218 * function.c (expand_function_end): Emit the catch_clauses.
16220 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
16222 * integrate.c (expand_inline_function): Add necessary check for NULL.
16224 1999-11-18 Nick Clifton <nickc@cygnus.com>
16226 * toplev.c (main): Correctly detect an unrecognised option.
16228 * cppinit.c (cpp_handle_option): Do not claim to have consumed
16229 a -f option if it has not been recognised.
16231 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
16233 * basic-block.h (update_life_extent): Remove trailing comma on
16234 enumeration type list.
16236 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16238 * varasm.c (output_constructor) Solved problem with long long
16239 bitfields. Corrected calculating this_time and shift. Also
16240 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
16242 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
16244 * flow.c (split_edge): Take looping structure into account when
16245 determining where to put the new block note.
16247 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
16249 * Makefile.in (ggc-none.o): Provide host specific version if
16252 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
16254 * cse.c (delete_trivially_dead_insns): Identify no-op insns
16255 containing subregs too.
16257 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16259 * invoke.texi: Add documentation for -muninit-const-in-rodata.
16260 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
16261 (TARGET_UNINIT_CONST_IN_RODATA): Define.
16262 (text_section): Add switches -munint-const-in-rodata and
16263 -mno-uninit-const-in-rodata.
16264 (ASM_OUTPUT_COMMON): Remove.
16265 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
16266 const objects should be placed in read-only data. Otherwise declare
16269 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
16271 * jump.c (jump_optimize_1): Revert last change.
16273 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
16275 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
16276 test if optimizing for size.
16278 1999-11-17 Mark Mitchell <mark@codesourcery.com>
16280 * Makefile.in (toplev.o): Depend on except.h.
16281 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
16283 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16285 * i386.md (divmodsi4): Rewrite to expander.
16286 (*divmodsi4_nocltd): New.
16287 (*divmodsi4_cltd): New.
16288 (divmodsi4 splitter): Handle the case when input comes in edx.
16289 (udivmodhi4): Do not use constraints in exander.
16290 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
16292 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
16294 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
16295 for the common case.
16297 1999-11-16 Jakub Jelinek <jakub@redhat.com>
16299 * explow.c (hard_function_value): Add outgoing argument.
16300 * expr.h (hard_function_value): Declare it.
16301 * calls.c (expand_call, emit_library_call_value): Update callers.
16302 * function.c (aggregate_value_p): Ditto.
16303 (diddle_return_value): Must look at the outgoing registers
16304 on archs with register windows.
16306 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
16308 * alpha.c (alpha_build_va_list): Use make_lang_type and
16309 initialize TYPE_NAME for the va_list record.
16311 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
16313 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
16315 * ggc.h (struct ggc_statistics): Rearrange elements for better
16316 packing on 64-bit hosts.
16317 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
16318 (compute_nearerout): Likewise.
16320 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
16322 * config/rs6000/rs6000.c (first_reg_to_save): Save
16323 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
16325 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
16327 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
16328 notion of nesting to find the DIE for a type or function.
16329 DIEs can go in limbo even if we got a context_die.
16330 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
16331 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
16333 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
16334 (gen_type_die): Writing out the context doesn't cause member class
16335 template instantiations to be written out as well.
16337 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
16339 * rs6000.h (ASM_OUTPUT_DEF): New.
16340 Based on proposed addition from David Edelsohn.
16342 1999-11-15 Robert Lipe <RobertLipe@usa.net>
16343 Bruce Korb <autogen@linuxbox.com>
16345 * fixinc/inclhack.def
16346 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
16347 (unixware7_byteorder_fix): added. Removes conflicts for new defs
16349 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
16350 (svr4_endian): enabled with SVR5
16351 (svr4_mkdev): simplified syntax and enabled with SVR5
16353 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
16355 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
16356 * configure: Rebuilt.
16357 * config/t-freebsd-thread: New file.
16359 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
16361 * i386.c (ix86_decompose_address): Verify the base is a REG
16362 before trying to examine its register number.
16364 * basic-block.h: Remove all #defines and prototypes related to
16366 (free_bb_mem, compute_preds_succs): Remove prototype.
16367 * rtl.h (free_bb_mem): Remove prototype.
16368 * flow.c (alloc_int_list_node); Remove function.
16369 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
16370 (compute_preds_succs, free_bb_mem): Likewise.
16371 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
16372 * toplev.c (rest_of_compilation): Likewise.
16373 * haifa-sched.c (build_control_flow): Use flow generated edge
16374 list to build the haifa specific edge list.
16375 (find_rgns): Use new CFG data structures instead of pred/succ lists.
16376 (schedule_insns): Do not build pred/succ lists anymore. Instead
16377 build the edge table.
16379 * basic-block.h (dump_bb_data): Remove declaration.
16380 * flow.c (dump_bb_data): Remove function.
16381 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
16382 (sbitmap_union_of_predsucc): Likewise.
16384 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
16385 argument. All callers changed.
16386 (delete_null_pointer_checks_1): No longer need to compute the
16389 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
16390 All callers changed.
16391 (pre_expr_reaches_here_p_work): Likewise.
16392 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
16393 * lcm.c (compute_laterin): Fix initialization of LATER.
16394 (compute_nearerout): Similarly for NEARER.
16396 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16398 * cse.c (set_nonvarying_address_components): Delete unused function.
16399 (refers_to_p): Likewise.
16401 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
16403 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
16406 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16408 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
16409 definition in do while (0).
16411 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
16413 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
16415 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
16417 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
16419 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16421 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
16422 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
16423 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
16424 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
16426 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
16427 saved on the stack. Output more accurate stack frame statistics
16428 into assembler file.
16430 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
16432 * genextract.c (record_insn_name): New function.
16433 (get_insn_name): No longer a stub.
16434 (main): Call record_insn_name for each insn. After each label
16435 written, print the insn name in a comment.
16437 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16439 * output.h (const_section, init_section, fini_section): Add
16442 * alpha/elf.h (const_section): Delete declaration.
16444 * svr4.h (const_section): Likewise.
16446 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
16448 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
16449 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
16450 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
16452 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
16453 variable-sized array bounds.
16455 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
16457 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
16460 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16462 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
16463 addresses the same way GO_IF_LEGITIMATE_INDEX does.
16465 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16467 * cse.c (hash_arg_in_struct): Delete.
16468 (struct table_elt): Delete elt in_struct.
16469 (struct set): Delete elt src_in_struct.
16470 (merge_equiv_classes): Don't set either hash_arg_in_struct or
16471 the corresponding in_struct elts.
16472 (canon_hash): Likewise.
16473 (safe_hash): Likewise.
16474 (find_best_addr): Likewise.
16475 (record_jump_cond): Likewise.
16476 (cse_insn): Likewise.
16478 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
16480 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
16482 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
16485 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
16487 * function.c (diddle_return_value): Put back check that the DECL_RTL
16488 for the function is a register.
16490 * function.c (diddle_return_value): Use hard_function_value to
16491 get an rtx suitable for use in the USE/CLOBBER insn.
16493 * global.c (global_conflicts): Update comments.
16494 (record_conflicts): No need to record conflicts between pseudos here.
16496 1999-11-11 Bruce Korb <autogen@linuxbox.com>
16498 * fixinc/fixincl.c: Added verbose levels for status messages
16500 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16502 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
16503 operand as argument to expand_and or expand_binop.
16505 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
16507 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
16508 gcc_add_string_root.
16510 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
16512 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
16514 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
16516 * flow.c (compute_flow_dominators): Initially put all blocks on
16518 * lcm.c (compute_antinout_edge, compute_available): Similarly.
16519 * gcse.c (compute_cprop_avinout): Remove.
16520 (compute_cprop_data): Use compute_available.
16521 (delete_null_pointer_checks_1): Use compute_available.
16523 * basic-block.h (compute_available): Returns a void now.
16524 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
16525 to return a value anymore.
16526 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
16527 worklists. Fix boundary cases. Compute maximal solutions.
16528 (compute_laterin, compute_nearerout): Similarly.
16530 * dwarf2out.c (add_AT_location_description): Allow
16531 (mem (plus (pseudo) (...)) too.
16533 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
16535 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
16537 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
16538 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16540 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
16542 * gansidecl.h: Likewise.
16548 * toplev.h: Likewise.
16550 * tree.c: Likewise.
16552 * tree.h: Likewise.
16554 * varray.c: Likewise.
16556 * varray.h: Likewise.
16558 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
16560 * gcov.c (struct arcdata): Add hits and total, remove prob.
16561 (output_branch_counts): New.
16562 (process_args): Set output_branch_counts if -c.
16563 (calculate_branch_probs): Store hits and total instead of
16565 (output_data): Emit counts if output_branch_counts is true.
16566 * gcov.texi (Invoking Gcov): Document -c switch..
16568 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
16570 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
16571 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
16573 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
16575 * invoke.texi (C Dialect Options): Add missing builtins from
16576 c-common.c to list.
16577 * extend.texi (Other Builtins): Copy to this list.
16579 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16581 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
16582 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
16583 redundant bitmap.h.
16585 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
16587 * flow.c (compute_flow_dominators): No longer treat basic block 0
16588 or (n_basic_blocks - 1) specially. Clear the AUX field before
16589 starting computation of doms/pdoms. Fix initial state for pdoms.
16591 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16593 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
16594 match rtl.o's: added ggc.h and toplev.h
16595 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
16596 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
16597 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
16599 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
16601 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
16602 from HAVE_DOS_BASED_FILESYSTEM.
16603 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
16604 HAVE_DOS_BASED_FILESYSTEM.
16606 (split_directories): Only special-case DOS file names if
16607 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
16608 instead of explicit tests. Conditionalize on !VMS.
16609 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
16610 tests. Conditionalize on !VMS.
16611 (process_command): Only use make_relative_prefix if !VMS.
16612 (free_split_directories): Conditionalize on !VMS.
16613 (DIR_UP): Conditionalize on !VMS.
16615 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
16617 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
16619 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
16621 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
16624 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
16626 * invoke.texi (Environment Variables): Document relative path
16628 * gcc.c (DIR_UP): If not defined, define as "..".
16629 (standard_bindir_prefix): New static, holds target location to
16631 (split_directories): New function to split a filename into
16632 component directories.
16633 (free_split_directories): New function, release memory allocated
16634 by split_directories.
16635 (make_relative_prefix): New function, make a relative pathname if
16636 the compiler is not in the expected location.
16637 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
16638 can figure out an appropriate prefix from argv[0].
16639 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
16640 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
16641 STANDARD_BINDIR_PREFIX.
16643 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16645 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
16647 * config/c4x/c4x.h: Moved prototypes to c4x.h.
16648 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
16649 c4x_secondary_memory_needed) Delete.
16650 (fp_zero_operand): Add mode argument.
16652 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
16654 * reload1.c (reload_reg_free_for_value_p): Don't use a register
16655 that is in reload_reg_used.
16657 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
16659 * config/arm/arm-protos.h: New file: Prototypes for functions
16660 defined in arm.c and pe.c.
16661 * config/arm/arm.h: Fix compile time warnings.
16662 * config/arm/arm.c: Fix compile time warnings.
16663 * config/arm/pe.h: Fix compile time warnings.
16664 * config/arm/aout.h: Fix compile time warnings.
16666 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
16668 * config/m32r/m32r-protos.h: New file: Prototypes for functions
16671 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
16672 Add support for subtargets.
16673 Add prototypes for new predicates.
16674 Add scheduling macros.
16676 * config/m32r/m32r.c: Fix compile time warnings.
16677 (int8_operand): New predicate function.
16678 (reg_or_cmp_int16_operand): New predicate function.
16679 (extend_operand): New predicate function.
16680 (m32r_adjust_code): New scheduling function.
16681 (m32r_adjust_priorty): New scheduling function.
16682 (m32r_sched_init): New scheduling function.
16683 (m32r_sched_reorder): New scheduling function.
16684 (m32r_sched_variable_issue): New scheduling function.
16685 (direct_return): New codegen function.
16686 (m32r_not_same_reg): New rtl testsing function.
16688 * config/m32r/m32r.md: Fix compile time warnings.
16689 Add support for pre decrement and post increment memory
16691 Add S<cc> patterns.
16694 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16696 * global.c (EXECUTE_IF_CONFLICT): Don't define.
16697 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
16698 (find_reg): Likewise.
16700 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
16702 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
16703 to avoid assembler errors.
16705 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
16707 * config/v850/v850-protos.h: New file: Prototypes for functions
16709 * config/v850/v850.h: Move prototypes to v850-protos.h
16710 * config/v850/v850.c: Move prototypes to v850-protos.h
16711 * config/v850/v850.md: Fix compile time warnings.
16713 * config/fr30/fr30-protos.h: New file: Prototypes for functions
16715 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
16716 * config/fr30/fr30.c: Fix compile time warnings.
16717 * config/fr30/fr30.md: Fix compile time warnings.
16719 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
16721 * tree.h (get_containing_scope): Declare it.
16722 * tree.c (get_containing_scope): New fucntion.
16723 (decl_function_context): Use it.
16724 * toplev.c (rest_of_compilation): Use get_containing_scope.
16726 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16728 * Makefile.in (rtl.o): Depend on toplev.h.
16730 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
16732 * cse.c (delete_trivially_dead_insns): Replace alloca with
16734 * except.c (update_rethrow_references): Likewise.
16735 (init_eh_nesting_info): Likewise.
16736 * function.c (identify_blocks): Likewise.
16737 * gcse.c (dump_hash_table): Likewise.
16738 * graph.c (print_rtl_graph_with_bb): Likewise.
16739 * loop.c (combine_movables): Likewise.
16740 (move_movables): Likewise.
16741 (count_loop_regs_set): Likewise.
16742 (strength_reduce): Likewise.
16743 * profile.c (compute_branch_probabilities): New function, split
16745 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
16746 * regclass.c (regclass): Likewise.
16747 * regmove.c (regmove_optimize): Likewise.
16748 * toplev.c (compile_file): Likewise.
16749 (main): Don't mess with the stack rlimit.
16751 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
16753 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
16754 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
16756 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
16758 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
16760 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
16762 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
16763 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
16766 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
16768 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
16770 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
16772 * gcse.c (post_dominators): Kill.
16773 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
16774 (compute_code_hoist_data): Use compute_flow_dominators. Do not
16775 pass in a pdom array since we do not need pdoms.
16776 * haifa-sched.c (schedule_insns): Similarly.
16777 * flow.c (compute_dominators): Remove dead function.
16778 (compute_flow_dominators): Do not compute doms or pdoms if the
16779 caller does not request them. Split up loop to build doms and
16780 pdoms. Use a worklist to compute doms and pdoms.
16781 * basic-block.h (compute_dominators): Remove prototype.
16783 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
16785 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
16786 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
16787 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
16788 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
16789 (cant_move, fed_by_spec_load, is_load_insn): Remove.
16790 (schedule_region): Remove unused variable.
16791 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
16793 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
16795 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
16796 (update_equiv_regs): Likewise.
16797 (block_alloc): Likewise.
16798 * reg-stack.c (reg_to_stack): Likewise.
16799 (convert_regs_2): Likewise.
16800 * reload1.c (reload_as_needed): Likewise.
16802 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
16804 * Makefile.in (dbxout.o): Depend on ggc.h.
16805 (dwarf2out.o): Likewise.
16806 (xcoffout.o): Likewise.
16807 * dbxout.c: Include ggc.h.
16808 (dbxout_init): Register lastfile as a root.
16809 * dwarf2out.c: Include ggc.h.
16810 (dwarf2out_line): Register lastfile as a root.
16811 * xcoffout.c: Include ggc.h.
16812 (xcoffout_source_line): Register xcoff_lastfile as a root.
16814 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
16816 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
16818 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
16820 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
16822 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16824 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16826 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
16827 (EXECUTE_IF_CONFLICT): Likewise.
16828 (ALLOCNO_LIVE_P): Avoid signed division.
16829 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
16830 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
16831 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
16833 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
16835 * haifa-sched.c (schedule_block): Don't crash if there's no
16836 next insn for an interblock movement.
16837 (add_branch_dependences): Don't allow clobber insns to move either.
16839 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
16841 * i386.c (split_xf): New.
16842 * i386-protos.h: Declare it.
16843 * i386.md (movxf_1): Add general regs alternatives.
16844 (movxf_1+1): New splitter for same.
16846 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
16848 * function.c (purge_addressof_1): Add missing return values.
16850 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
16852 * function.c (is_addressof): New function. Returns true if
16853 the given piece of RTL is an ADDRESSOF.
16854 (purge_addressof_1): Make boolean. Return false if the
16855 ADDRESSOFs could not be purged.
16856 (purge_addressof): If ADDRESSOFs could not be purged from the
16857 notes attached to an insn, remove the offending note(s),
16858 unless they are attached to a libcall.
16860 1999-11-05 Andreas Jaeger <aj@suse.de>
16862 * genoutput.c (null_operand =): Initialize all fields.
16864 * errors.h: Add extern to prototypes.
16866 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
16868 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
16869 * configure: Rebuilt.
16871 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16873 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
16874 (mirror_conflicts): New function.
16875 (global_alloc): Call it.
16876 (expand_preferences): Remove redundant CONFLICTP test.
16877 (find_reg, dump_conflicts): Likewise.
16878 (prune_preferences): Process conflicts one word at a time.
16880 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
16882 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
16883 instead of an explicit loop.
16885 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
16887 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
16888 if REG_RETVAL check succeeds, then put classp in src_elt.
16890 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
16892 * function.c (pad_to_arg_alignment): Only update argument_pad
16893 if the argument's alignment is greater than STACK_BOUNDARY.
16895 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
16897 * bitmap.h (BITMAP_XFREE): New.
16898 * flow.c (life_analysis): Use it.
16899 (life_analysis_1): Free blocks.
16901 * combine.c (undo_commit): New.
16902 (try_combine): Use it. Don't zap undobuf.undos.
16903 (combine_instructions): Don't zap undobuf.undos; free the
16904 undobuf.frees list.
16906 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
16908 * stmt.c (cost_table_): New.
16909 (estimate_case_costs): Use it instead of xmalloc.
16911 * toplev.c (compile_file): Reuse dumpname memory instead
16914 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
16916 * reg-stack.c (convert_regs_1): Initialize target_stack->top
16917 after verifying an EH edge.
16919 * haifa-sched.c (init_rgn_data_dependences): Correctly
16920 size bb_pending_lists_length when zeroing.
16922 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
16924 * function.c (diddle_return_value): New.
16925 (expand_function_end): Use it.
16926 * stmt.c (expand_null_return): Likewise.
16927 (expand_value_return): Likewise.
16929 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
16931 * reload1.c (reload): Don't remove return value clobbers.
16933 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
16935 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
16937 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
16939 * cse.c (cse_main): Use xmalloc, not alloca.
16940 (cse_basic_block): Likewise.
16941 * local-alloc.c (local_alloc): Likewise.
16943 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
16944 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16946 * rtl.c: Include toplev.h.
16947 (fatal): Remove declaration.
16949 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
16951 * haifa-sched.c (schedule_block): Fix thinko.
16953 1999-11-03 James McKelvey <mckelvey@fafnir.com>
16955 * fixinc/fixincl.c(create_file): Allow for systems that do not have
16956 S_IR* defined values
16958 1999-11-03 Philippe De Muyter <phdm@macqel.be>
16960 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
16961 call `malloc' instead.
16963 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
16965 * flags.h (flag_renumber_insns): Declare.
16966 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
16968 * rtl.h (renumber_insns): Change prototype.
16969 * toplev.c (flag_renumber_insns): Define.
16970 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
16972 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
16974 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
16975 and fpsqrtd. Use them and create fdiv function unit to more
16976 accurately represent fpu sqrt pipeline semantics on UltraSparc.
16977 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
16979 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
16981 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
16983 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
16984 insn into ready list, do not use just a raw swap.
16986 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
16988 * rtl.h (renumber_insns): New function.
16989 (remove_unnecessary_notes): Likewise.
16990 * emit-rtl.c (renumber_insns): Define.
16991 (remove_unncessary_notes): Likewise.
16992 * toplev.c (rest_of_compilation): Remove dead code.
16993 Use renumber_insns and remove_unncessary_notes.
16995 * gcse.c (struct null_pointer_info): New type.
16996 (get_bitmap_width): New function.
16997 (current_block): Remove.
16998 (nonnull_local): Likewise.
16999 (nonnull_killed): Likewise.
17000 (invalidate_nonnull_info): Take a null_pointer_info as input.
17001 (delete_null_pointer_checks_1): New function.
17002 (delete_null_pointer_checks): Use it.
17004 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
17005 (split_edges): Likewise.
17006 (schedule_block): Likewise.
17007 (compute_block_backward_dependencies): Likewise.
17008 (schedule_region): Likewise.
17009 (schedule_insns): Likewise.
17011 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
17013 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
17014 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
17015 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
17016 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
17017 * jump.c (delete_unreferenced_labels): Don't delete if
17018 LABEL_ALTERNATE_NAME is set.
17019 * print-rtl.c (print_rtx): Dump alternate name.
17020 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
17021 * rtl.h (LABEL_ALTERNATE_NAME): Define.
17022 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
17023 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
17025 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17027 * fix-header.c (recognized_extern, recognized_function): Constify
17030 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
17031 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17032 (compute_available): Remove unused variable `last'.
17033 (compute_nearerout): Remove unused variable `temp_bitmap'.
17034 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
17035 Remove unused variable `x'.
17037 * scan.h (recognized_function, recognized_extern): Constify a
17040 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
17042 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17044 * varasm.c (decode_rtx_const): Use XSTR to access the string
17047 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
17049 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
17051 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17053 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
17055 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
17057 * pa.c (ireg_operand): New function.
17058 * pa.h (PREDICATE_CODES): Handle ireg_operand.
17059 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
17060 Fix out of date comment.
17062 * pa.md (negdi2): Turn into expander + anonymous pattern.
17064 * reload.c (find_reloads): Fix typos in recent change.
17066 * dwarf2out.c: Do not include ctype.h.
17068 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17070 * regclass.c (record_reg_classes): Always use may_move_cost when
17071 seeing how operand fits with various register classes.
17073 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
17075 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
17076 * toplev.c: Revert Nov 1 13:22 change.
17078 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
17080 * config/pa/pa.md (height reduction patterns): Add checks for
17081 overlapping operands to avoid semantic-destroying splits for
17082 height reduction patterns.
17084 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17086 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
17087 have been an hyphen, fixed.
17088 * configure: Rebuilt.
17090 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
17092 * config/arm/tpe.h: Add prototypes for exported functions.
17093 * config/arm/pe.c: Fix compile time warnings.
17094 * config/arm/semi.h: Fix compile time warnings.
17095 * config/arm/arm.c: Fix compile time warnings.
17096 * config/arm/arm.h: Fix compile time warnings.
17097 * config/arm/arm.md: Fix compile time warnings.
17098 * config/arm/thumb.c: Fix compile time warnings.
17099 * config/arm/thumb.h: Fix compile time warnings.
17100 * config/arm/thumb.md: Fix compile time warnings.
17102 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
17104 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
17107 * unroll.c (unroll_loop): Remove LOOP notes when loop is
17108 completely unrolled.
17110 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17112 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
17114 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
17116 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
17117 * rtl.h (rtx_equal_p): Move prototype.
17118 * rtl.c (rtx_equal_function_value_matters): Move from
17120 (rtx_equal_p): Likewise.
17121 * rtlanal.c (rtx_equal_function_value_matters): Delete.
17122 (rtx_equal_p): Likewise.
17124 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17126 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
17127 ! HAS_INIT_SECTION.
17129 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
17131 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
17133 * pa.h (ADDR_VEC_ALIGN): Define.
17135 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
17136 notes when presented with "if (foo) break; end_of_loop" and
17137 the break sequence gets moved out of the loop.
17139 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
17140 Remove explicit zero initializations of entries within MAP.
17142 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
17144 * reg-stack.c (convert_regs_1): Handle EH edges specially.
17146 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
17148 * bitmap.h (BITMAP_XMALLOC): New macro.
17149 * flow.c (CLEAN_ALLOCA): Remove.
17150 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
17151 (life_analysis): Likewise.
17152 (update_life_info): Don't use CLEAN_ALLOCA.
17153 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
17154 (calculate_global_regs_live): Likewise.
17155 (print_rtl_with_bb): Likewise.
17156 (verify_flow_info): Likewise.
17157 * global.c (global_alloc): Likewise.
17158 (global_conflicts): Likewise.
17159 * integrate.c (save_for_inline_nocopy): Likewise.
17160 (expand_inline_function): Likewise.
17161 * jump.c (jump_optimize_1): Likewise.
17162 (duplicate_loop_exit_test): Likewise.
17163 (thread_jumps): Likewise.
17164 * loop.c (loop_optimize): Likewise.
17165 (combine_givs): Likewise.
17166 (recombine_givs): Likewise.
17167 * reorg.c (dbr_schedule): Likewise.
17168 * unroll.c (unroll_loop): Likewise.
17170 * combine.c (combine_instructions): Use xmalloc instead of alloca.
17172 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
17174 * toplev.c (rest_of_compilation): Don't optimize the CFG
17175 when rebuilding, just before dbr.
17177 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17179 * output.h (assemble_end_function, assemble_destructor,
17180 assemble_constructor, assemble_gc_entry, assemble_global,
17181 assemble_label, output_constant_pool) Constify a char*.
17183 * varasm.c (assemble_destructor, assemble_constructor,
17184 assemble_gc_entry, assemble_end_function, assemble_global,
17185 assemble_label, output_constant_pool): Likewise.
17187 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
17189 * config/arm/thumb.c (thumb_expand_prologue): Add comments
17190 explaining what is goin on in this function.
17192 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17194 * regclass.c (record_reg_classes): In matching case, recompute
17195 costs since the direction of movement is different.
17197 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17199 * resource.c (mark_target_live_regs): For unconditional branches,
17200 the resources found at the branch target should be added to the
17201 resources found so far, not intersected.
17203 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
17205 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
17207 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
17208 (sys/mman.h): Include this file only if #HAVE_MMAP.
17209 (run_compiles): Initialize `esac_fmt' with one old KR string, not
17210 with automatically concatenated ANSI strings.
17212 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
17214 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
17215 (DIV_ROUND_UP): Robustify.
17216 (ggc_recalculate_in_use_p): New function.
17217 (release_pages): Don't inline it.
17218 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
17220 (ggc_pop_context): Use ggc_recalculate_in_use_p.
17221 (clear_marks): Always save in_use_p.
17222 (sweep_pages): Use ggc_recalculate_in_use_p.
17223 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
17224 Release pages before counting statistics.
17226 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
17228 * toplev.c (rest_of_compilation): Fix thinko in this change:
17230 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17232 (rest_of_compilation): If inside an inlined external function,
17233 pretend we are just being declared.
17235 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
17237 * flow.c (calculate_global_regs_live): Fix thinko.
17239 * integrate.c (expand_inline_function): Fix bugs in previous
17240 change from Oct 28, 1999.
17242 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
17244 * stmt.c (expand_value_return): Fix typo in this change:
17246 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17247 (expand_value_return): Correctly convert VAL when promoting function
17248 return; support RETURN_REG being a PARALLEL.
17250 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
17252 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
17254 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17256 * hard-reg-set.h (reg_names): Constify a char*.
17258 * regclass.c (reg_names): Likewise.
17260 * regs.h (reg_names): Likewise
17262 * a29k/a29k.c (reg_names): Delete declaration.
17264 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
17266 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
17267 arc_output_function_epilogue): Likewise.
17269 * elxsi/elxsi.c (reg_names): Likewise.
17271 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
17273 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
17276 * m88k/m88k.c (output_function_profiler): Likewise.
17278 * sparc/sparc.c (sparc_flat_output_function_prologue,
17279 sparc_flat_output_function_epilogue): Likewise.
17281 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
17283 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
17284 warning from -Wuninitialized and put it under -W.
17285 * function.c (uninitialized_vars_warning): Warn only when the
17286 corresponding flag is set.
17288 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
17290 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
17291 is nonzero and the single set does not have an elt, then assign
17294 * simplify-rtx.c: New file.
17295 * Makefile.in (OBJS): Add simplify-rtx.o
17296 (simplify-rtx.o): Add dependencies.
17297 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
17298 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
17299 (cse_gen_binary, simplify_unary_operation): Delete.
17300 (simplify_binary_operation, simplify_plus_minus): Likewise.
17301 (check_fold_consts, simplify_relation_operation): Likewise.
17302 (simplify_ternary_operation): Likewise.
17303 (delete_trivially_dead_insns): Simplify the contents of the
17304 REG_EQUAL note before trying to substitute it into the source
17305 of the reg-reg copy at the end of a libcall sequence.
17307 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
17308 references/callers changed.
17310 * mn10200.c (mn10200_va_arg): Force the return value into a
17313 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
17315 * cccp.c (macroexpand): Avoid out of range accesses for omitted
17318 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
17320 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
17322 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
17324 * fold-const.c (fold): Fix thinko when optimizing comparisons
17327 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
17329 * gcc.texi (Passes): Update front-end files to their current
17332 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
17334 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
17335 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
17336 (PREDICATE_CODES): Add addition_operation.
17337 * alpha-protos.h (addition_operation): Declare.
17338 (secondary_reload_class): Likewise.
17339 * alpha.c (addition_operation): New.
17340 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
17341 * alpha.md (adddi3): Turn into expander.
17342 (*lda, *adddi_2): New.
17343 (movsf, movdf patterns): Don't preference integer regs.
17344 (movsi, movdi patterns): Don't preference fp regs.
17346 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
17348 * genrecog.c (write_switch): Check for duplicate CODE cases.
17350 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
17352 * ggc-common.c: Update pre-function commentary.
17353 * ggc-page.c: Likewise.
17355 (poison_pages): Use memset directly.
17356 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
17357 (ggc_collect): Poison before sweeping.
17358 * ggc-simple.c: Update pre-function commentary.
17359 (ggc_alloc_obj): Poison non-zeroed memory.
17361 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
17363 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
17364 match format string, even on 64-bit hosts.
17365 * gcc-page.c (ggc_page_print_statistics): Likewise.
17367 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
17369 * config/i386/i386.c (ix86_cpu): Revert last patch.
17370 * config/i386/i386.h (ix86_cpu): Ditto.
17372 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
17374 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
17375 TYPE_SIZE, convert type of result to sizetype.
17377 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
17379 * flow.c (count_or_remove_death_notes): Equate NULL with the
17382 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
17383 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
17386 * i386.c (pic_label_no): Delete.
17387 (ix86_attr_length_default): Don't use single_set to peek
17390 * recog.c (peephole2_optimize): Allow recog_next_insn to index
17391 the first insn after bb->end.
17392 * i386.md (push mem peeps): Scratch is live after evaluation
17394 (cmp mem peep): Similarly.
17396 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
17398 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
17399 * function.c (pad_to_arg_alignment): Add missing braces.
17401 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17403 * alpha/alpha-protos.h (literal_section): Add prototype.
17404 (alpha_need_linkage, alpha_start_function,alpha_end_function):
17407 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
17409 (alpha_start_function, alpha_end_function, float_strings,
17410 alpha_need_linkage): Constify a char*
17412 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
17414 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
17416 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
17418 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
17420 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17422 * flow.c (debug_flow_info): Add prototype.
17424 * gcc.c (main): Likewise.
17426 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
17429 * reload1.c (failed_reload, set_reload_reg): Likewise.
17431 * mips-tfile.c (main): Likewise.
17432 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
17433 with ATTRIBUTE_NORETURN.
17435 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
17437 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
17438 DECL is not a memory ref.
17440 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
17442 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
17443 * config/i386/i386.c (ix86_cpu): Add extern attribute.
17445 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
17447 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
17448 * config/mips/elf64.h: ditto.
17450 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
17452 * expr.c (emit_push_insn): New argument alignment_pad.
17453 Update all callers. Adjust stack pointer based on alignment pad.
17454 * function.c (pad_to_arg_alignment): New argument alignment_pad.
17455 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
17456 (locate_and_pad_parm): New argument alignment_pad. Update all
17458 * expr.h (emit_push_insn): Update prototype.
17459 (locate_and_pad_parm): Update prototype.
17460 * calls.c (arg_data): Add new field alignment_pad.
17461 (initialize_argument_information): Initialize alignment_pad.
17463 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
17465 * except.c (free_eh_nesting_info): Free the info itself.
17466 * function.c (free_after_compilation): Don't free NULL.
17467 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
17468 (pre_edge_insert): Free inserted.
17469 * stmt.c (free_stmt_status): Don't free NULL.
17471 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
17473 * gcov.c (DIR_SEPARATOR): Provide default.
17474 (output_data): Add test for MS-DOS format absolute filename.
17475 (fancy_abort): Correct program name.
17476 (open_files): Open all files in binary mode.
17477 * libgcc2.c (__bb_exit_func): Likewise.
17479 * profile.c (init_branch_prob): Specify binary when opening files.
17481 * flags.h (flag_unwind_tables): New decl.
17482 * toplev.c (flag_unwind_table): New definition.
17483 (f_options): Add -funwind-tables.
17484 (decode_g_option): Clarify warning when unknown -g option is given.
17485 (rest_of_compilation): If inside an inlined external function,
17486 pretend we are just being declared.
17488 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
17489 (dwarf2out_frame_finish): Likewise.
17491 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
17493 * fold-const.c (merge_ranges): If not in0, but in1, handle
17494 upper bounds equal like subset case.
17496 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
17498 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
17499 passed in a register but moved to the stack.
17501 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
17503 * gcc.c (pass_exit_codes, greatest_status): New variables.
17504 (struct option_map): Add entry for "--pass-exit-codes".
17505 (execute): Update greatest_status if error.
17506 (display_help): Add documentation for -pass-exit-codes.
17507 (process_command): Handle -pass-exit-codes.
17508 (main): Look at pass_exit_codes and greatest_status on call to exit.
17510 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17512 * reload.c (find_reloads): Refine test for no input reload
17513 case to not includes reloads emitted after insn.
17515 * function.c (find_temp_slots_from_address): Handle sum involving
17516 a register that points to a temp slot.
17517 (update_temp_slot_address): Make recursive call if both old and
17518 new are PLUS with a common operand.
17519 * calls.c (expand_call): Mark temp slot for result as having
17522 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
17524 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
17525 component as well as "BINUTILS".
17527 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
17528 * integrate.c (copy_rtx_and_substitute): Likewise.
17529 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
17530 All callers changed.
17531 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
17533 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
17534 gdb extensions, write size of type; also be more consistent
17535 in using references when this is a subtype.
17537 * pa.md (extv, extzv, insv): Use define_expand to reject constant
17538 that is out of range.
17540 * loop.c (unknown_constant_address_altered): New variable.
17541 (prescan_loop): Initialize it.
17542 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
17543 (invariant_p, case MEM): Remove handling for volatile and readonly;
17544 check new variable if readonly.
17545 (check_dbra_loop): Chdeck unknown_constant_address_altered.
17547 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
17548 (addr_affects_sp_p): Removed from note_mem_written and only
17549 define #ifdef AUTO_INC_DEC.
17551 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
17553 * regclass.c (record_reg_classes): Properly handle register move
17556 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
17557 Don't think valid if both operands are invalid.
17558 (struct constant_descriptor): New field RTL.
17559 (mark_const_hash_entry): Mark it.
17560 (record_constant{,_rtx}): Initialize it.
17561 (output_constant_def): Allocate RTL in permanent obstack and
17563 ({record,compare}_constant_1): Modes must match for
17564 CONSTRUCTOR of ARRAY_TYPE.
17566 * c-common.h (initializer_constant_valid_p): Delete decl from here.
17567 * output.h (initializer_constant_valid_p): Move decl to here.
17568 * c-common.c (initializer_constant_valid_p): Delete function from here.
17569 * varasm.c (initializer_constant_valid_p): Move function to here.
17571 * tree.h (STRIP_SIGN_NOPS): New macro.
17572 * fold-const.c (optimize_minmax_comparison): New function.
17573 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
17574 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
17575 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
17576 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
17577 widening conversions.
17578 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
17579 to look at size of mode, not precision of type; also add missing cases.
17580 (optimize_bit_field_compare, decode_field_reference): Don't try to
17581 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
17583 * dwarf2out.c (ctype.h): Include.
17584 (dwarf2out_set_demangle_name_func): New function.
17585 (size_of_line_info): Deleted.
17586 (output_line_info): Compute size of line info table from difference
17588 (base_type_die, add_name_attribute): Call demangle function, if any.
17589 (field_byte_offset): Use bits per word for variable length fields.
17590 (gen_array_type_die): Add array name.
17591 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
17592 (dwarf2out_add_library_unit_info): New function.
17594 * explow.c (set_stack_check_libfunc): New function.
17595 (stack_check_libfunc): New static variable.
17596 (probe_stack_range): Allow front-end to set up a libfunc to call.
17598 * combine.c (simplify_comparison): When making comparison in wider
17599 mode, check for having commuted an AND and a SUBREG.
17600 (contains_muldiv): New function.
17601 (try_combine): Call it when dividing a PARALLEL.
17602 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
17603 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
17605 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
17606 use one of the CLOBBERs instead.
17607 (if_then_else_cond): If comparing against zero, just return thing
17610 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
17611 Don't generate shifts and subtract if have conditional arithmetic.
17613 * rtl.h (delete_barrier): New declaration.
17614 * jump.c (jump_optimize): Set up to handle conditional call.
17615 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
17616 (delete_barrier): New function.
17618 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
17620 * recog.c (nonmemory_operand): Accept ADDRESSOF.
17622 * tree.c (build_type_attribute_variant): Push to obstack of
17623 ttype around type_hash_canon call.
17625 * expr.c (placeholder_list): Move decl to file scope.
17626 (expand_expr): Don't force access to volatile just because its
17628 If ignoring reference operations, just expand the operands.
17629 (expand_expr, case COMPONENT_REF): Propagate
17630 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
17631 Refine test for using bitfield operations vs pointer punning.
17632 (expand_expr, case CONVERT_EXPR): If converting to
17633 BLKmode UNION_TYPE from BLKmode, just return inner object.
17634 Use proper mode in store_field call.
17635 Properly set sizes of object to store and total size in store_field
17636 call for convert to union.
17637 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
17638 memory (like for ADDR_EXPR). Also, don't put constant in register if
17639 we'll want it in memory.
17640 (readonly_fields_p): New function.
17641 (expand_expr, case INDIRECT_REF): Call it if LHS.
17642 (expand_assignment): Handle a RESULT_DECL where
17643 DECL_RTL is a PARALLEL.
17644 (do_jump, case WITH_RECORD_EXPR): New case.
17645 (get_inner_reference): Always go inside a CONVERT_EXPR
17646 and NOP_EXPR if both modes are the same.
17647 (store_field): Use bitfield operations if size of bitsize is not same
17648 as size of RHS's type.
17649 Check for bitpos not a multiple of alignment in BLKmode case.
17650 Do block move in largest possible alignment.
17651 (store_constructor): Set BITSIZE to -1 for variable size and properly
17652 in case of array of BLKmode.
17653 (expand_expr_unaligned): New function.
17654 (do_compare_and_jump): Call it.
17656 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
17657 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
17658 does not include 'o'.
17660 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
17661 both SET_DEST and SET_SRC reference a virtual register.
17662 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
17664 * integrate.c (expand_inline_function): Handle case of setting
17665 virtual stack vars register (from built in setjmp); when parameter
17666 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
17667 (subst_constant): Add new parm, MEMONLY.
17668 (expand_inline_function, integrate_parm_decls): Pass new parm.
17669 (integrate_decl_tree): Likewise.
17670 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
17671 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
17672 (copy_rtx_and_substitute, case SET): Add explicit calls to
17673 copy_rtx_and_substitute for both sides.
17675 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
17677 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
17678 within INDEX_TYPE, instead of before.
17679 (fixup_gotos): Use f->target_rtl, not the next insn,
17680 since latter may be from a later fixup.
17681 (expand_value_return): Correctly convert VAL when promoting function
17682 return; support RETURN_REG being a PARALLEL.
17683 (expand_return): When checking for result in regs and having
17684 cleanup, consider PARALLEL in DECL_RTL as being in regs.
17686 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
17688 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
17689 last_nominal_fname): Mark const.
17690 (struct include_hash: name, nshort, control_macro): Mark
17692 (struct macrodef: symnam): Mark const.
17693 (struct if_stack: fname): Mark const.
17694 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
17695 (IStable): New character-syntax array which encompasses all
17696 the old is_foo arrays.
17697 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
17698 is_space): New macros for interrogating IStable.
17699 (check_macro_name): Kill last argument. All callers changed.
17701 * cppinit.c (initialize_char_syntax): Delete.
17702 (is_idchar, is_idstart, is_hor_space, is_space,
17703 trigraph_table): Delete.
17704 (IStable): New. Initialize with clever macros to avoid
17705 information duplication.
17706 (builtin_array): Table of builtins to get rid of explicit list
17707 in initialize_builtins.
17708 (initialize_builtins): Use builtins_array.
17709 (cpp_start_read): Call init_IStable, and set IStable['$'] if
17710 opts->dollars_in_ident.
17712 * cppexp.c: Change all refs to is_xyz[] arrays to use new
17714 (cpp_parse_expr): Avoid 'format string is not constant'
17715 warning. Use ISGRAPH to identify printable chars.
17716 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
17718 (read_and_prescan): Map trigraphs to chars with open-coded
17719 if-else-if-... sequence, not a lookup table.
17720 * cpphash.c: Change all refs to is_xyz[] arrays to use new
17722 * cpplib.c: Change all refs to is_xyz[] arrays to use new
17723 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
17724 (check_macro_name): Remove ability to report an invalid
17725 assertion name, which is never used.
17726 (do_line): Constify a couple of char *'s.
17727 * cppmain.c (main): Call cpp_cleanup before returning.
17729 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
17731 * ggc.h (struct ggc_statistics): New type.
17732 (ggc_get_size): New function.
17733 (ggc_print_statistics): Likewise.
17734 * ggc-common.c (ggc_stats): New variable.
17735 (ggc_mark_rtx_children): Keep statistics.
17736 (ggc_mark_tree_children): Likewise.
17737 (ggc_print_statistics): New function.
17738 * ggc-page.c (struct globals): Add bytes_mapped field.
17739 (alloc_anon): Update it.
17740 (release_pages): Likewise.
17741 (ggc_get_size): New function.
17742 (ggc_page_print_statistics): New function.
17743 * ggc-simple.c (ggc_get_size): New function.
17745 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
17747 * flow.c (propagate_block): When the last reference to a label
17748 before an ADDR_VEC is deleted because the reference is a dead
17749 store, delete the ADDR_VEC.
17751 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
17753 * resource.c (find_free_register): Don't use the frame pointer
17754 if frame_pointer_needed.
17756 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
17758 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
17759 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
17761 * config/i960/i960.c (i960_va_start): New locals base, num.
17762 Use INDIRECT_REF instead of ARRAY_REF on valist.
17763 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
17765 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
17767 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
17769 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
17771 * tree.def (PLACEHOLDER_EXPR): Update comments.
17773 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17775 * c-common.c (check_format_info): Avoid non-literal format string
17776 warnings when `first_arg_num' is zero.
17778 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17780 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
17782 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
17784 * arm.md (casesi_insn): Add a clobber of the condition code
17787 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
17789 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
17790 used by both cc1 and cc1plus.
17792 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
17794 * config/arm/arm.c: Initialise arm_structure_size_boundary to
17795 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
17796 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
17797 to the value 32 if it has not already been defined.
17798 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
17799 Override definition in arm.h with a value of 8.
17801 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
17803 * c-pragma.c (push_alignment): Don't check the return value
17806 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
17808 * sparc.h (ADJUST_COST): Fix thinko.
17810 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
17812 * cccp.c (rescan): Fixed obp pointer handling around call to
17813 check_expand subroutine.
17815 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
17817 * gcse.c (delete_null_pointer_checks): Only record non-null info
17818 for pseudos when examining stores.
17820 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
17821 splitters for these patterns. Use "#" for output templates.
17822 (addsi3_carryin_shift): New pattern.
17824 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
17826 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
17827 of the function return register into a plain REG until
17828 after function inlining is done.
17830 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17832 * jump.c (jump_optimize_1): If we did cross-jumping, and
17833 the data will matter, rebuild the CFG.
17834 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
17835 not optimizing. Don't run shorten_branches.
17836 * toplev.c (rest_of_compilation): Run shorten_branches after
17839 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
17841 * rtl.h (note_stores): Add additional paramter.
17842 * rtlanal.c (reg_set_p_1): Take additional paramter.
17843 (reg_set_last_1): Likewise.
17844 (reg_set_p): Adjust call to note_stores.
17845 (reg_set_last): Likewise.
17846 (note_stores): Pass data parameter to worker function.
17847 * alias.c (record_set): Take additional parameter.
17848 (init_alias_analysis): Pass it.
17849 * caller-save.c (mark_set_regs): Take additional parameter.
17850 (save_call_clobbered_regs): Pass NULL to note_stores.
17851 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
17853 (record_dead_and_set_regs_1): Likewise.
17854 (reg_dead_at_p_1): Likewise.
17855 (combine_instructions): Adjust calls to note_stores.
17856 (try_combine): Likewise.
17857 (record_dead_insn): Remove.
17858 (record_dead_and_set_regs): Adjust calls to note_stores.
17859 (reg_dead_at_p): Likewise.
17860 * cse.c (invalidate_skipped_set): Take additional parameter.
17861 (cse_check_loop_start): Likewise.
17862 (cse_check_loop_start_value): Remove.
17863 (cse_set_around_loop): Adjust calls to note_stores.
17864 * flow.c (notice_stack_pointer_modification): Take additional
17865 parameter. Remove duplicate declaration.
17866 (record_volatile_insns): Adjust calls to note_stores.
17867 * gcse.c (record_set_info): Take additional parameter.
17868 (record_last_set_info): Likewise.
17869 (invalidate_nonnull_info): Likewise.
17870 (record_set_insn): Remove.
17871 (compute_sets): Adjust calls to note_stores.
17872 (last_set_insn): Remove.
17873 (compute_hash_table): Adjust calls to note_stores.
17874 (insert_insn_end_bb): Likewise.
17875 (delete_null_pointer_checks): Likewise.
17876 * global.c (mark_reg_store): Take additional parameter.
17877 (mark_reg_clobber): Likewise.
17878 (reg_becomes_live): Likewise.
17879 (global_conflicts): Adjust calls to note_stores.
17880 (build_insn_chain): Likewise.
17881 * integrate.c (note_modified_parmregs): Take additional parameter.
17882 (mark_stores): Likewise. Make it static.
17883 (save_for_inline_nocopy): Adjust calls to note_stores.
17884 (try_constants): Likewise.
17885 * integrate.h (mark_stores): Remove declaration.
17886 * jump.c (mark_modified_reg): Take additional parameter.
17887 (thread_jumps): Adjust calls to note_stores.
17888 * local-alloc.c (validate_equiv_mem_from_store): Take additional
17890 (no_equiv): Likewise.
17891 (reg_is_set): Likewise.
17892 (validate_equiv_mem): Adjust calls to note_stores.
17893 (update_equiv_regs): Likewise.
17894 (block_alloc): Likewise.
17895 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
17896 (note_addr_stored): Take additional parameter.
17897 (note_set_pseudo_multiple_uses): Likewise.
17898 (record_initial): Likewise.
17899 (prescan_loop): Adjust calls to note_stores.
17900 (strength_reduce): Likewise.
17901 (check_dbra_loop): Likewise.
17902 * regmove.c (flags_set_1): Take additional paramter.
17903 (mark_flags_life_zones): Adjust calls to note_stores.
17904 * reload1.c (mark_not_eliminable): Take additional parameter.
17905 (forget_old_reloads_1): Likewise.
17906 (reload_cse_invalidate_rtx): Likewise.
17907 (reload_cse_check_clobber): Likewise.
17908 (reload_combine_note_store): Likewise.
17909 (move2add_note_store): Likewise.
17910 (reload): Adjust calls to note_stores.
17911 (reload_as_needed): Likewise.
17912 (emit_reload_insns): Likewise.
17913 (reload_cse_regs_1): Likewise.
17914 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
17915 (reload_combine): Adjust calls to note_stores.
17916 * resource.c (update_live_status): Take additional paramter.
17917 (mark_target_live_regs): Adjust calls to note_stores.
17918 * stupid.c (find_clobbered_regs): Take additional parameter.
17919 (stupid_life_analysis): Adjust calls to note_stores.
17921 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
17923 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
17926 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
17929 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
17930 of the variable arm_structure_size_boundary.
17932 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
17934 * alias.c (init_alias_analysis): Allocate reg_known_value and
17935 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
17937 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
17938 * cse.c (cse_main): Call end_alias_analysis.
17939 * haifa-sched.c (schedule_insns): Likewise.
17940 * local-alloc. (update_equiv_regs): Likewise.
17941 * reload1.c (reload_cse_regs): Likewise.
17943 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17945 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
17946 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
17947 mapping from MASK_FPU.
17949 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
17951 * sparc.md (call): Don't bound structure return size to 0xfff.
17953 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
17955 * resource.c (mark_target_live_regs): Check that the target
17956 insn wasn't created after compute_bb_for_insn.
17958 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
17960 * ggc-page.c (poison_pages): Don't be overzealous.
17962 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
17964 * alias.c: Update comments for ADDRESS.
17965 (nonlocal_reference_p): Look inside the ADDRESS to determine if
17966 it is a local memory reference.
17968 * c-typeck.c (build_function_call): Check that the built-in
17969 function is of class BUILT_IN_NORMAL before trying to recongize
17970 it as BUILT_IN_ABS.
17971 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
17972 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
17974 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
17976 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
17978 (pre_gcse): Likewise.
17979 (hoist_expr_reaches_here_p): Likewise.
17980 (hoist_code): Likewise.
17981 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
17983 (pre_expr_reaches_here_p_work): ... here.
17984 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
17986 (expr_reaches_here_p_work): ... here.
17988 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
17990 * resource.c (find_basic_block): Delete.
17991 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
17992 (init_resource_info): Call compute_bb_for_insn.
17994 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
17996 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
17997 with already adjacent blocks, but no fallthru.
17998 (merge_blocks_move_successor_nojumps): Simplify.
17999 (debug_flow_info): New.
18001 * toplev.c (rest_of_compilation): Open jump1 dump file before
18002 jump and close after, as opposed to just using dump_rtl.
18004 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18006 * reload.h (earlyclobber_operand_p): Declare.
18007 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
18008 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18009 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
18010 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
18012 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
18013 Richard Henderson <rth@cygnus.com>
18015 * emit-rtl.c (emit_block_insn_before): New.
18016 (emit_block_insn_after): New.
18017 * basic-block.h: Declare them.
18019 * bitmap.h: Protect from multiple inclusion.
18021 * recog.c (scratch_operand): Handle VOIDmode correctly.
18023 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
18025 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
18026 * function.c (assign_parms): Likewise.
18027 * global.c (global_conflicts): Clarify STACK_REGS commentary.
18029 * reg-stack.c (max_uid): Remove.
18030 (blocks, block_begin, block_end, block_drops_in): Remove.
18031 (block_stack_in, block_out_reg_set, block_number): Remove.
18032 (struct block_info_def, BLOCK_INFO): New.
18033 (enum emit_where): New.
18034 (current_block): New.
18035 (BLOCK_NUM): Remove.
18036 (mark_regs_pat, record_label_references): Remove.
18037 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
18039 (goto_block_pat, print_blocks, dump_stack_info): Remove.
18040 (reg_to_stack): Simplified test for existance of fp code. Use
18041 flow.c code. Call shorten_branches after cross-jump opt.
18042 (check_asm_stack_operands): Renamed from record_asm_reg_life.
18043 Return false if the asm doesn't use stack regs. Don't do life
18044 analysis on the asm.
18045 (emit_pop_insn): Replace function pointer arg `when' with
18046 enum `where'. Update all callers.
18047 (change_stack): Likewise. Update basic block end.
18048 (emit_swap_insn): Use current_block->head to limit reverse search
18049 for start of block. Use emit_block_insn_after.
18050 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
18051 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
18052 structure assignment instead of bcopy.
18053 (print_stack): New.
18054 (convert_regs_entry, convert_regs_exit): New.
18055 (convert_regs_1, convert_regs_2): Split out from convert_regs.
18056 Work on basic blocks and the CFG.
18057 (convert_regs): Use them.
18059 * i386.c (output_fix_trunc): Remove code for DImode input operand
18060 not at top-of-stack.
18061 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
18063 (fix_truncdi_1): Allow any mode scratch.
18065 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
18067 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
18068 * linux.h, netbsd.h, vms.h: Not here.
18070 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
18072 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
18073 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
18074 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
18075 CONDITIONAL_REGISTER_USEAGE): Use them.
18076 * config/mips/mips.c (mips_move_1word,mips_move_2words,
18077 gen_conditional_branch,override_options) : Use them.
18078 * config/mips/mips.md : Use them.
18080 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
18082 * i386.md (zero_extendqihi2): Use SImode register name with andl.
18084 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
18086 * integrate.c (function_cannot_inline_p): Don't allow inlining
18089 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18091 * c-parse.in (cast_expr): Constify.
18093 * cccp.c (special_symbol): Likewise.
18095 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
18097 * dwarf2out.c (base_type_die): Likewise.
18099 * global.c (allocno_compare): Likewise.
18101 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
18103 * regclass.c (fix_register): Likewise.
18105 * rtl.h (fix_register): Likewise.
18107 * stupid.c (stupid_reg_compare): Likewise.
18109 * toplev.c (decode_f_option): Likewise.
18111 * tree.c (build_complex_type): Likewise.
18113 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
18115 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
18117 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18119 * reload.c (find_reloads): Compute mode and nregs fields of all
18121 * reload1.c (calculate_needs_all_insns): Simplify a bit.
18122 (calculate_needs): Use precomputed mode/nregs values.
18123 (allocate_reload_reg): Likewise.
18125 (failed_reload, set_reload_reg): ... new functions.
18126 (choose_reload_regs_init): New function, mostly broken out from...
18127 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
18128 Also lose one #if 0 block.
18130 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
18132 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
18135 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
18137 * tree.h (BLOCK_TYPE_TAGS): Remove.
18138 (BLOCK_END_NOTE): Likewise.
18139 (BLOCK_LIVE_RANGE_FLAG): Likewise.
18140 (BLOCK_LIVE_RANGE_START): Likewise.
18141 (BLOCK_LIVE_RANGE_END): Likewise.
18142 (tree_block): Remove live_range_flag, live_range_var_flag, and
18143 type_tags. Remove end_note, live_range_start, and live_range_end.
18144 (remember_end_note): Remove prototype.
18145 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
18146 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
18148 * ggc-common.c (ggc_mark_tree_children): Don't mark
18149 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
18150 * integrate.c (adjust_copied_decl_tree): Remove.
18151 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
18152 * stmt.c (last_block_end_note): Remove.
18153 (init_stmt): Don't add a GC root for it.
18154 (expand_fixup): Don't set it.
18155 (remember_end_note): Remove.
18156 (expand_end_bindings): Don't set last_block_end_note.
18158 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18160 * reload1.c (reload_reg_free_for_value_p): Show
18161 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
18164 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
18166 * expmed.c (extract_bit_field): Allow for the case of non-integer
18167 objects that are smaller than a word (like SFmode on a 64-bit
18170 * loop.c (basic_induction_var): A non-integer variable which is
18171 being set by a paradoxical subreg is probably not a biv.
18173 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18175 * prefix.c (translate_name) Check for empty prefix string.
18177 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
18179 * Makefile.in (CPP_CROSS_NAME): New variable.
18180 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
18182 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
18183 names of the files to be uninstalled.
18185 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
18187 * collect2.c (IS_DIR_SEPARATOR): Define.
18188 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
18190 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
18193 * haifa-sched.c (add_dependence): Update the true dependency
18194 cache the first time we add a true dependence to the LOG_LINKS chain.
18196 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
18198 * fold-const.c (fold): Fix comment.
18200 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18202 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
18203 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
18204 dbxout_start_new_source_file, dbxout_source_file,
18205 dbxout_source_line, dbxout_finish, dbxout_type_fields,
18206 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
18208 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
18209 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
18210 (dbxout_block): Initialize variable `blocknum'.
18212 * dbxout.h (dbxout_init, dbxout_finish,
18213 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
18214 dbxout_args, dbxout_source_line): Constify a char*.
18216 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
18217 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
18218 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
18219 low_pc_attribute, high_pc_attribute, body_begin_attribute,
18220 body_end_attribute, comp_dir_attribute, sf_names_attribute,
18221 src_info_attribute, mac_info_attribute, producer_attribute,
18222 lookup_filename, generate_macinfo_entry, fundamental_type_code,
18223 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
18224 dwarfout_undef): Constify a char*.
18225 (add_incomplete_type, retry_incomplete_types): Add prototypes.
18227 * dwarfout.h (dwarfout_define, dwarfout_undef,
18228 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
18230 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
18232 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
18233 (MULTILIB_ISA_DEFAULT): New.
18234 (MULTILIB_DEFAULTS): Use it.
18235 * config/mips/mips.c (): Remove the now unnecessary definition
18236 of MIPS_ISA_DEFAULT.
18237 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
18238 unnecessary definition.
18240 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
18242 * arm.md (pic_load_addr): Add constraints to operand 1.
18244 1999-10-25 Bruce Korb <autogen@linuxbox.com>
18246 * fixinc/genfixes: Provide a means for specifying -D options to
18249 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
18251 * arm.c (arm_override_options): Correct initialization of
18252 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
18253 arm_is_strong, and arm_is_6_or_7.
18255 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
18256 (note_set_pseudo_multiple_uses): New function.
18257 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
18258 if a pseudo set in the loop exit is used elsewhere.
18260 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
18262 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
18264 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
18266 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
18267 a single load-address pattern.
18269 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
18271 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
18272 depending on whether or not line-number notes are present.
18274 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18276 * cccp.c (progname, file_buf, default_include, include_file,
18277 macrodef, definition, hashval, wchar_type, user_label_prefix,
18278 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
18279 expand_to_temp_buffer, is_system_include, base_name,
18280 absolute_filename, read_name_map, open_include_file,
18281 record_control_macro, check_precompiled, check_preconditions,
18282 pcfinclude, pass_thru_directive, create_definition,
18283 check_macro_name, comp_def_part, collect_expansion,
18284 check_assertion, read_token_list, assertion_install,
18285 assertion_lookup, eval_if_expression, conditional_skip,
18286 validate_else, skip_quoted_string, quote_string, macarg1,
18287 error_from_errno, install, lookup, hashf, dump_defn_1,
18288 perror_with_name, pfatal_with_name, main, trigraph_pcp,
18289 check_white_space, rescan, handle_directive, monthnames,
18290 special_symbol, do_include, remap_include_file, write_output,
18291 arglist, do_assert, do_unassert, do_line, do_error, do_once,
18292 do_ident, do_sccs, do_xifdef, skip_if_group,
18293 output_line_directive, macroexpand, macarg, change_newlines,
18294 initialize_builtins, make_definition): Constify a char*.
18296 * pcp.h (stringdef): Likewise.
18298 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
18300 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
18303 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
18304 Richard Henderson <rth@cygnus.com>
18306 * alias.c: Include ggc.h.
18307 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
18308 (record_set): Verify enough room in reg_base_value.
18309 (init_alias_analysis): Allocate reg_base_value with xcalloc.
18310 Register it as a GC root.
18311 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
18312 * Makefile.in (alias.o): Depend on ggc.h.
18314 * unroll.c (unroll_loop): Verify the insn before a barrier
18315 is a JUMP_INSN before checking JUMP_LABEL.
18317 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18319 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
18320 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
18321 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
18322 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
18323 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
18324 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
18326 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18328 * output.h (ctors_section, dtors_section, bss_section): Prototype.
18330 * alpha/alpha-interix.h (text_section): Delete prototype.
18331 * alpha/elf.h (text_section): Likewise.
18332 * arm/linux-elf.h (text_section): Likewise.
18333 * arm/linux-telf.h (text_section): Likewise.
18334 * c4x/c4x.h (text_section): Likewise.
18335 * dsp16xx/dsp16xx.h (bss_section): Likewise.
18336 * elfos.h (text_section): Likewise.
18337 * i386/aix386ng.h (text_section): Likewise.
18338 * i386/i386-interix.h (text_section): Likewise.
18339 * i386/sco5.h (text_section): Likewise.
18340 * i386/svr3gas.h (text_section): Likewise.
18341 * nextstep.h (text_section): Likewise.
18342 * psos.h (text_section): Likewise.
18343 * ptx4.h (text_section): Likewise.
18344 * svr3.h (text_section): Likewise.
18345 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
18347 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18349 * final.c (peephole): Delete prototype.
18351 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
18352 (pre_insert_copies): Remove unused variable `bb'.
18354 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
18357 * output.h (peephole): Add prototype.
18359 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
18361 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
18364 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
18366 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
18367 for inlined declarations.
18369 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
18371 * arm.c (logical_binary_operator): New fucntion.
18372 * arm.h (logical_binary_operator): Declare it.
18373 (PREDICATE_CODES): Handle logical_binary_operator.
18374 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
18375 output constraints. Add appropriate splitters.
18376 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
18377 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
18378 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
18380 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18382 * genoutput.c (struct operand_data): New elt eliminable.
18383 (output_operand_data): Write it.
18384 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
18385 (compare_operands): Take it into account.
18386 * recog.h (struct insn_operand_data): New elt eliminable.
18387 * reload1.c (check_eliminable_occurrences, elimination_effects): New
18389 (old_asm_operands_vec, new_asm_operands_vec): Delete.
18390 (eliminate_regs): Move code that detects changes to elimination
18391 target regs into new function elimination_effects.
18392 Delete one #if 0 block.
18393 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
18394 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
18395 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
18396 Only call eliminate_regs for real operands of the insn, not for parts
18397 of its structure or parts matched by things like match_operator.
18398 Use elimination_effects and check_eliminable_occurrences. Use
18399 copy_insn to duplicate the pattern when not in the final pass.
18401 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
18403 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
18406 1999-10-22 Bruce Korb <autogen@linuxbox.com>
18408 * fixinc/README: document the "mach" machine matching test
18409 * fixinc/fixfixes.c: Implement the #else/#endif label fix
18410 * fixinc/fixtests.c: Implement the #else/#endif label test
18411 * fixinc/inclhack.def: utilize these tests and fixes
18412 * fixinc/inclhack.sh: regen
18413 * fixinc/fixincl.x: regen
18414 * fixinc/fixincl.sh: regen
18416 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
18418 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
18421 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
18423 * gcc.1: Document exit codes.
18425 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18427 * calls.c: Include tm_p.h later, so everything we need is defined.
18428 * expr.c: Likewise.
18429 * function.c: Likewise.
18431 * except.c: Include tm_p.h.
18433 * sparc.c: Likewise.
18434 (dwarf2out_cfi_label): Don't prototype.
18435 (check_return_regs, epilogue_renumber,
18436 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
18437 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
18438 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
18439 ultra_schedule_insn): Add static prototype.
18440 (data_segment_operand, text_segment_operand): Call itself with the
18441 proper number of arguments.
18442 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
18444 * sparc.h: Move all declarations to sparc-protos.h.
18445 (SELECT_RTX_SECTION): Pass a missing MODE argument to
18448 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
18450 * config/svr4.h (text_section, ctors_section, dtors_section): Add
18452 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
18453 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
18454 ASM_OUTPUT_ASCII): Constify a char*.
18456 * sparc-protos.h: New file for sparc prototypes.
18458 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18460 * function.c (record_insns, contains): Always declare and define.
18461 (record_insns): Mark with ATTRIBUTE_UNUSED.
18463 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18465 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
18466 to .section when outputting a .bss section to deal with multiple
18467 .bss input sections (as happens with -fdata-sections)
18468 Also output %progbits, not @progbits so the assembler doesn't treat as
18470 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
18472 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
18473 thumb parts even when building with non-thumb CPUs, by forcing
18476 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
18478 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
18479 (movdf_const_intreg_sp64): Similarly.
18481 * local-alloc.c (update_equiv_regs): Check the correct insn
18482 for pre-existing REG_EQUIV notes.
18484 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
18486 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
18487 block reached by a branch if we're not going to actually process
18490 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
18492 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
18493 a local extern function declaration.
18495 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
18497 * i386.c (ix86_expand_prologue): Properly wrap USE around
18498 reg for CALL_INSN_FUNCTION_USAGE.
18500 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
18502 * config/mips/mips.md (movdf_internal1a): Allow floating-point
18503 move between GP_REGs.
18505 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
18507 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
18508 the mode size when finding out if an offset is legal.
18510 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
18512 * basic-block.h (PROP_*): Move constants from ...
18513 * flow.c: ... here.
18514 (compute_bb_for_insn): Free the array before reallocating.
18515 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
18516 (allocate_reg_life_data): Reset all reg variables collected by
18518 (get_block_head_tail): Don't convert from bb to block.
18519 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
18520 (find_insn_reg_weight): Take block not bb.
18521 (schedule_block): Don't set block num for moved insns.
18522 (schedule_region): Don't update_life_info or find_insn_reg_weight.
18523 (schedule_insns): Do it here instead.
18524 * combine.c (combine_instructions): Invoke compute_bb_for_insn
18525 before update_life_info.
18526 * recog.c (split_all_insns, peephole2_optimize): Update for
18527 new arg to update_life_info.
18528 * rtlanal.c (remove_note): Cope with NULL note.
18529 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
18532 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
18534 * jump.c (jump_optimize_1): More accurately detect casesi insns.
18536 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
18537 block records so that merge_blocks_nomove will clean up correctly.
18538 (split_edge): Handle casesi insns.
18540 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
18542 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
18544 * pa.md (call, call_value): Do not emit a blockage after restoring
18547 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
18549 * c-typeck.c (c_expand_asm_operands): Fix typo.
18551 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18553 * arm.c (fpu_rhs_operand): Verify modes.
18554 (fpu_add_operand): Likewise.
18555 (di_operand): Likewise.
18556 (soft_df_operand): Likewise.
18558 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
18560 * arm.c (arm_return_in_memory): APCS rules state that the elements
18561 of a structure returned in a register must be 'integer-like'.
18563 1999-10-19 Bruce Korb <autogen@linuxbox.com>
18565 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
18566 in the source tree when the generated targets are out of date
18567 * fixinc/genfixes: Alter it to run individual fixes for make.
18568 * fixinc/README: rewrite
18569 * fixinc/inclhack.def: moved initial comments to README
18571 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
18573 * toplev.c (main): Do not generate an error message if an
18574 unrecognised command line switch is recognisable by another
18575 language. If extra_warnings are enabled, then generate a
18576 warning message instead.
18578 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
18580 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
18581 (insert_pack_attributes): Delete prototype.
18583 * c-pragma.c (default_alignment): New static variable.
18584 (push_alignment): Initialize to current effective alignment.
18585 (pop_alignment): Use to set new alignment.
18586 (insert_pack_attributes): Delete function.
18587 (handle_pragma_token): Set default_alignment as well each time
18588 a #pragma pack(<n>) is encountered.
18590 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
18592 * reg-stack.c (stack_result): Aggregates are not returned in
18595 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18597 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
18599 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
18601 * basic-block.h (set_block_num): Declare.
18602 * flow.c (update_life_info): Don't call compute_bb_for_insn
18603 or free_basic_block_vars.
18604 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
18605 (insn_orig_block): Remove.
18606 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
18607 (schedule_block): Keep BLOCK_NUM up-to-date.
18608 (schedule_insns): Use compute_bb_for_insn.
18609 * recog.c (split_all_insns): Likewise.
18610 (peephole2_optimize): Likewise.
18612 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
18614 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
18615 if the pic register is used.
18617 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18619 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
18620 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
18621 if that tests TREE_PERMANENT.
18623 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
18625 * cse.c (invalidate_for_call): Do not remove memory references from
18626 the table here. It's handled elsewhere.
18628 * haifa-sched.c (add_dependence): Protect references to the
18629 true dependency cache with #ifdef INSN_SCHEDULING.
18630 (remove_dependence): Similarly.
18632 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
18633 to the cfg code that this is a return instruction.
18634 * mn10300.md (return_internal): Similarly.
18636 * combine.c (get_last_value): If the last set of a register
18637 is after subst_low_cuid, then we can not use it to determine
18638 the register's last value.
18640 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18642 * Makefile.in: Back out previous change.
18644 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
18646 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
18648 * haifa-sched.c (add_dependence): Only check/update the cache
18650 (remove_dependence): Likewise.
18651 (schedule_insns): Only create the true_dependency_cache if the
18652 average number of instructions in a basic block is very large.
18654 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
18656 * Makefile.in (ggc-common.o): Depend on genrtl.h.
18657 (ggc-simple.o): Likewise.
18658 (ggc-page.o): Likewise.
18660 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
18662 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
18663 Prototype for exported functions.
18664 (pre_lcm, pre_rev_lcm): Remove prototypes.
18665 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
18666 (compute_available): Move to lcm.c, and change parameter order.
18667 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
18668 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
18669 (gcse_main): No longer call compute_preds_succs. Rebuild the
18670 set table after reach pre pass.
18671 (pre_insert_map, pre_delete_map, edge_list): New.
18672 (alloc_pre_mem): Allocate edge vectors.
18673 (free_pre_mem): Delete edge vectors.
18674 (compute_pre_data): Call new edge based lcm routines.
18675 (process_insert_insn): New function.
18676 (insert_insn_end_bb): Use it.
18677 (pre_edge_insert): New function.
18678 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
18680 (pre_insert_copies): Revamp using new edge based lcm outputs.
18681 (pre_delete): Likewise.
18682 (one_pre_gcse_pass): Insert & remove fake edges to the exit
18684 (compute_code_hoist_vbeinout): New new edge based routines.
18685 * lcm.c: Remove all the old LCM functions. Replace with new ones
18686 that work with the new cfg datastructures and work with edges
18689 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18691 * reload.h (struct reload): Add new fields "mode" and "nregs".
18692 * reload1.c: Change all occurrences of reload_mode and reload_nregs
18693 to reference the "mode" and "nregs" field within struct reload.
18695 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
18697 * haifa-sched.c (true_dependency_cache): New.
18698 (add_dependence): Use the true dependency cache to avoid expensive
18699 walks down the LOG_LINKS dependency list. Add entries to the
18700 cache as necessary.
18701 (remove_dependence): Remove entries from the true dependency cache
18703 (schedule_insns): Allocate and initialize and free the true
18706 * haifa-sched.c (schedule_insns): Do not remove inter-block
18707 dependencies anymore.
18709 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18711 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
18712 * i386/t-winnt: Likewise.
18714 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
18716 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
18718 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
18720 * Makefile.in (LANGUAGES): Omit "proto".
18721 (clean): Remove stale comment about removing unprotoize.c.
18723 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18725 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
18726 using arithmetic on void pointers.
18728 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
18730 * haifa-sched.c (compute_block_forward_dependencies): Only check
18731 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
18733 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
18735 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
18736 (expr_equiv_p): Reject memories with different alias sets.
18738 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
18740 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
18741 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
18742 (f_options): Add "bounded-pointers" and "bounds-check" entries.
18743 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
18744 (lang_init): Set default for flag_bounds_check if still "unspecified".
18746 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18748 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
18750 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18752 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
18755 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18757 * config/c4x/c4x.md (*db_noclobber,
18758 *decrement_and_branch_until_zero_noclobber): New patterns and
18759 associated splitters.
18761 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18763 * config/c4x/c4x.md (parallel instruction patterns): Rework
18764 constraints to keep reload happy.
18766 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18768 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
18769 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
18770 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
18771 Add new patterns and associated post-reload splitters.
18773 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18775 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
18777 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18779 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
18781 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
18783 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18785 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
18788 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
18790 * pa.c (move_operand): Rely on memory_address_p to determine the
18791 validity of non-indexed memory addresses.
18792 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
18793 operand in DFmode and SFmode when generating PA2.0 code.
18795 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
18797 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
18799 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
18801 * mips.c (function_prologue): Fix argument types.
18802 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
18803 (casesi_internal): Write to the scratch register.
18805 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
18807 * cppexp.c (cpp_parse_escape): Make static. Change second arg
18809 (parse_charconst): Delete unnecessary cast when calling
18811 (cpplib.h): Kill prototype of cpp_parse_escape.
18813 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
18815 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
18816 * unroll.c (unroll_loop): Cast return value of alloca.
18817 * i370/i370.c: Include function.h and toplev.h.
18818 (i370_label_scan): Remove c++ commented abort.
18819 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
18820 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
18821 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
18822 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
18824 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
18826 * config/t-freebsd: Do not override USER_H.
18827 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
18829 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
18830 Mumit Khan <khan@xraylith.wisc.edu>
18832 * c-parse.in (component_decl): Support anonymous struct/union.
18834 * c-parse.y: Regenerate.
18835 * c-parse.c: Likewise.
18836 * objc/objc-parse.y: Likewise.
18837 * objc/objc-parse.c: Likewise.
18838 * c-decl.c (finish_struct): Don't sort the fields.
18839 (field_decl_cmp): Delete unused function.
18841 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
18843 * sparc.md (movsf_const_intreg): Revert last constraint change.
18844 (movdf_const_intreg_sp32): Likewise.
18846 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
18848 * cse.c: Include hashtab.h instead of splay-tree.h
18849 (struct cse_reg_info): No longer use variant union. Add new
18850 field "regno". All references changed to avoid union.
18851 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
18852 (free_cse_reg_info): Remove.
18853 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
18854 (get_cse_reg_info): Revamp to use expandable hash tables instead
18855 of splay trees. Initialize new fields in cse_reg_info structure.
18856 (new_basic_block): Similarly.
18858 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
18860 * genrecog.c (message_with_line): Prototype.
18861 (validate_pattern): Pass along the set for the dest, not a flag.
18862 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
18863 Check for PC/CC0 as sources.
18864 (nodes_identical): Check for children position match before
18865 allowing the combination.
18867 * rtl.c (read_rtx): Track line number across \\\n.
18869 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
18871 * mips.h (SPECIAL_MODE_PREDICATES): New.
18872 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
18873 (movdi+1, movsi+1): Add output reload constraint.
18874 (casesi_internal): Likewise. Fix commentary.
18875 (return_internal): Use pmode_register_operand.
18877 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
18879 * 1750a.md (movstrqi): Add missing output reload constraint.
18880 (call_value): Likewise.
18881 * a29k.md (cpxxx patterns): Add missing match_operator mode.
18882 (jmpfdec): Add missing inout reload constraint.
18883 * elxsi.md (addsi patterns): Add missing output reload constraint.
18884 (move from sp): Use @ alternates.
18885 (call_value): No constraint on output.
18886 * fr30.md (movsi_pop): Add missing output reload constraint.
18887 (movsf_constant_store): Likewise.
18888 (splits): Remove constraints.
18889 (subsi3): Add missing mode.
18890 * i370.md (cmpstrsi+1): Add missing output reload constraint.
18891 (call_value): Likewise.
18892 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
18893 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
18894 * m32r.md (movsicc_internal): Add output reload constraint.
18895 (movstrsi_internal): Add inout reload constraints.
18896 * m88k.h (reg_names): Don't declare.
18897 (SPECIAL_MODE_PREDICATES): New.
18898 * m88k.md (*): Use register_operand not reg_or_0_operand
18900 * mn10200.h (PREDICATE_CODES): New.
18901 * ns32k.md (ffs pattern): Add output reload constraint.
18902 * pdp11.md (sob pattern): Add inout reload constraint.
18903 * sh.md (splits): Remove constraints.
18904 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
18905 * v850.md (pattern_is_ok_for_epilogue): Likewise.
18906 * vax.md (jgequ pattern): Add inout reload constraint.
18908 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
18910 * configure.in (djgpp): Revert previous patch.
18911 * configure: Rebuit.
18912 * config/i386/djgpp.h: Revert previous patch.
18914 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
18916 * fixinc/inclhack.def: Restore patch lost during last merge of
18917 "no_bogosity" branch.
18918 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18920 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18922 * fixincludes: Add a HPUX 11 fix for inttypes.h.
18923 * fixinc/inclhack.def: Same.
18924 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
18926 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
18928 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
18929 as the base of a PLUS.
18931 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18933 * config/c4x/c4x.md: Define mode for remaining unspec operators.
18934 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
18936 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
18938 * pa.md (post_stw+1): Use pmode_register_operand.
18939 (dcacheflush, icacheflush): Likewise.
18941 * i386.md (movstricthi_1): Allow r/r.
18943 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
18945 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
18946 to (not (and (arg0) (arg1))). Similary for and.
18948 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
18949 fallthrough to associate code.
18950 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
18953 * combine.c (simplify_logical): Convert XOR to IOR if operands have
18954 no bits in common; remove XOR to ROTATE conversion.
18956 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18958 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
18960 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18962 * config/c4x/c4x.c (dst_operand): New.
18963 (PREDICATE_CODES): Update.
18964 * config/c4x/c4x.h (dst_operand): Declare it.
18965 * config/c4x/c4x.md: Define mode for each unspec usage.
18966 (move patterns): Use dst_operand predicate instead of src_operand.
18967 (movqi_update, movqf_update): Delete.
18969 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
18971 * recog.c (pmode_register_operand): New.
18972 * recog.h: Declare it.
18973 * genrecog.c (pred_codes): Likewise.
18974 (special_mode_pred_table): Likewise.
18975 (validate_pattern): Don't warn no mode for address_operand.
18977 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
18978 if the operand is not insn-like.
18980 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
18981 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
18983 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
18985 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
18987 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
18988 instead of general_operand in a SET_DEST. Use const_double_operand
18989 instead of an explicit test against CONST_DOUBLE.
18990 (movsf_const_lo): Add missing register mode.
18991 (goto_handler_and_restore): Add auxiliary test for Pmode.
18992 (flush): Adjust to use address_operand.
18993 (return_sf_no_fpu): Add missing output constraint.
18995 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
18997 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
18998 for call return value.
18999 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19001 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
19003 * toplev.c (main): Only warn about options for other languages.
19004 * collect2.c (main): Pass -w to sub-gcc.
19006 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
19008 * flow.c (propagate_block): Add call-clobbered registers to
19011 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
19012 zapping mem_set_list.
19013 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
19014 (mark_set_1, mark_used_regs): Likewise.
19016 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
19018 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
19020 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19022 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
19023 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
19024 options. Also add a new item "C-only Warning Options" to the
19027 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
19029 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
19030 from multiple calls.
19032 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
19034 * i386.md (call value patterns): Move to the end of the file.
19035 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
19037 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
19039 * configure.in (djgpp configuration): Define extra_objects..
19040 * configure: Rebuilt.
19041 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
19042 (DTORS_SECTION_ASM_OP): Define.
19043 (INIT_SECTION_ASM_OP): Define.
19044 (FINI_SECTION_ASM_OP): Define.
19045 (DATA_SECTION_ASM_OP): Define.
19046 (TEXT_SECTION_ASM_OP): Define.
19047 (EH_FRAME_SECTION_ASM_OP): Define.
19048 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
19049 (STARTFILE_SPEC): Add crtbegin.o.
19050 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
19051 to here from LINK_COMMAND_SPEC.
19052 (DO_GLOBAL_CTORS_BODY): Define.
19053 (CRTSTUFF_USE_FINI_SECTION): Define
19054 (HAS_INIT_SECTION): Delete.
19056 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
19058 * Makefile.in (all.cross): Depend on xcpp$(exeext).
19060 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
19062 * pa.h (PREDICATE_CODES): New.
19064 * genrecog.c (validate_pattern): Condense the destination
19065 non-lvalue message.
19067 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
19069 * alpha.md (call-1): Supply missing mode for operator.
19070 (*): Add missing output reload constraints. Remove constraints
19071 from define_splits.
19073 * i386.h (SPECIAL_MODE_PREDICATES): New.
19074 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
19075 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
19076 (addsi_lea_3): Add missing mode for op 3.
19077 (prologue_set_got, prologue_get_pc): Add missing modes.
19078 (*) Add missing output reload constraints.
19080 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
19082 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
19083 check for member bit-size overflow and use var_size if it occurs.
19084 (layout_record): Use bitsize_int() to define the type size in bits.
19085 Likewise for computation and assignment to DECL_FIELD_BITPOS.
19086 (layout_decl): Likewise when assigning to DECL_SIZE.
19088 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
19090 * genrecog.c (validate_pattern): Typo last change. Verify
19091 that output operands have output reloads.
19093 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
19095 * genrecog.c (special_mode_pred_table): New.
19096 (NUM_SPECIAL_MODE_PREDS): New.
19097 (find_operand): New.
19098 (validate_pattern): New argument `insn'. Warn for assignment to
19099 any predicate accepting non-lvalues. Conditionaly warn for
19100 match_operand without a mode. Try much harder to match source
19101 and destination modes on a set.
19102 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
19104 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
19106 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
19108 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
19110 * combine.c (simplify_logical): Recognize xor pattern that encodes
19113 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19115 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
19118 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
19120 * ggc-page.c (MAP_FAILED): Provide default.
19122 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
19124 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
19125 * sparc.h (PREDICATE_CODES): Update.
19127 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
19129 * alpha.c (some_ni_operand): New.
19130 * alpha-protos.h: Declare it.
19131 * alpha.h (PREDICATE_CODES): Update.
19132 * alpha.md (sXaddq reload insns): Use some_ni_operand
19133 for SET_DEST instead of some_operand.
19135 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
19136 Jim Wilson <wilson@cygnus.com>
19138 * genrecog.c (maybe_both_true_2): Don't compare modes of
19140 (process_tree): Elide peephole2_insns. Invoke simplify_tests
19141 after find_afterward.
19142 (debug_decision_1): Dump next and afterward codes.
19144 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
19146 * rtl.c (dump_and_abort): Remove.
19147 (fatal_with_file_and_line): New.
19148 (fatal_expected_char): New.
19149 (read_rtx_lineno, read_rtx_filename): New.
19150 (read_skip_spaces): Track line number.
19151 (read_name): Use fatal_with_file_and_line.
19152 (read_rtx): Use fatal_expected_char. Track line number.
19153 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
19155 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
19156 if it isn't a CODE_LABEL.
19158 * genattr.c (main): Set read_rtx_filename.
19159 * genattrtab.c (main): Likewise.
19160 * gencodes.c (main): Likewise.
19161 * genconfig.c (main): Likewise.
19162 * genemit.c (main): Likewise.
19163 * genextract.c (main): Likewise.
19164 * genflags.c (main): Likewise.
19165 * genopinit.c (main): Likewise.
19166 * genoutput.c (main): Likewise.
19167 * genpeep.c (main): Likewise.
19169 * genrecog.c (decision_test.u.insn): Add `lineno'.
19170 (pattern_lineno, error_count): New variables.
19171 (message_with_line): New.
19172 (add_to_sequence): Break out checking code to ...
19173 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
19174 (merge_insn): Use message_with_line.
19175 (make_insn_sequence): Use validate_pattern. Record insn lineno.
19176 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
19178 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19180 * expr.c (store_constructor): Clear union if constructor is empty.
19182 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
19184 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
19185 Add !endian checks. Change %{...} to %(...).
19187 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
19189 * i386.md (*addsi3_cc): Renamed from addcsi3.
19190 (*addsi3_carry): Renamed from addxsi3.
19191 (*subsi3_cc): Renamed from subcsi3.
19192 (*subsi3_carry): Renamed from subxsi3.
19193 (*xorqi_cc_1): Renamed from xorcqi_1.
19194 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
19195 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
19197 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
19199 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
19200 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
19202 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
19204 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
19205 climb up the chain of insns.
19207 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
19209 * genrecog.c (write_subroutine): Careful for null trees.
19210 (process_tree): Don't elide empty functions.
19212 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
19214 * Makefile.in (genrtl.o): Depend on ggc.h.
19215 * configure.in (valloc): Probe for it.
19216 (with-gc): Use ggc-page if valloc present.
19217 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
19218 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
19219 (ggc_alloc_string): Moved from ggc-page.c.
19220 * ggc-none.c (ggc_alloc_obj): New.
19221 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
19222 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
19223 (struct globals): Likewise for dev_zero_fd.
19224 (init_ggc): Likewise for it's initialization.
19225 (ggc_allocated_p): Move careful dereference from ...
19226 (ggc_lookup_page_table): ... here. Delete.
19227 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
19228 (alloc_anon): Use valloc if no mmap.
19229 (release_pages): Use free if using valloc.
19230 (ggc_alloc_obj): Renamed from alloc_obj.
19231 (ggc_set_mark): Renamed from mark_obj.
19232 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
19233 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
19234 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
19235 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
19236 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
19237 (ggc_collect): Use fp printing instead of our own rounding.
19238 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
19239 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
19240 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
19241 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
19242 (struct ggc_string, struct ggc_any): Delete.
19243 (offsetof): Provide default definition.
19244 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
19246 (struct ggc_mem): New, from corpse of ggc_any.
19247 (struct ggc_status): Delete.
19248 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
19249 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
19250 (n_strings_collected, n_anys_collected): Delete.
19251 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
19252 (ggc_alloc_string, ggc_alloc): Delete.
19253 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
19254 (ggc_free_string, ggc_free_any): Delete.
19255 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
19256 (ggc_compare_addresses, ggc_mark_string): Delete.
19257 (ggc_mark_string_if_gcable, ggc_mark): Delete.
19258 (search_data): Delete.
19259 (struct globals): New.
19260 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
19261 (tree_insert, tree_lookup): New.
19262 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
19263 (clear_marks, sweep_objs): New.
19264 (ggc_collect): Gut. Use clear_marks, sweep_objs.
19265 (init_ggc): Set allocated_last_gc.
19266 (ggc_push_context): Gut. Use G.context.
19267 (ggc_pop_context): Likewise.
19268 (ggc_pop_context_1): New.
19269 (debug_ggc_tree): New.
19270 (debug_ggc_balance, tally_leaves): New.
19271 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
19272 (ggc_mark_string_if_gcable): Remove decl.
19273 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
19274 (ggc_mark_rtvec_children): New.
19275 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
19276 (ggc_mark_if_gcable): New decl.
19277 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
19278 (ggc_alloc_tree, ggc_alloc): Likewise.
19279 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
19280 (ggc_alloc_obj): New decl.
19281 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
19282 (ggc_alloc_tree, ggc_alloc): Likewise.
19283 (ggc_set_mark): New decl.
19284 * rtl.h (struct rtx_def): Remove gc_mark.
19285 (struct rtvec_def): Likewise.
19286 * tree.h (struct tree_common): Likewise.
19288 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
19290 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
19291 float_format and thread_file definitions.
19292 * configure: Rebuilt.
19294 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
19296 * extend.texi (Function Names): Document types of function names.
19298 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19300 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19301 an earlyclobbered output conflict with RELOAD_INPUT reloads.
19303 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19305 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
19307 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19309 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
19311 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
19313 * collect2.c (main): Do prelimnary link on AIX if rflag.
19315 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19317 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
19318 __CTOR_LIST__ in opposite order, which is the correct order for sorted
19320 (__do_global_dtors): similarly for __DTOR_LIST__.
19322 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19323 Diego Novillo <dnovillo@cygnus.com>
19325 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
19328 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
19330 * fixincl/*: Merged "no_bogosity" branch
19331 * fixincl/fixlib.h: protect against doubly defining t_bool
19332 * fixincl/server.h: protect against doubly defining t_bool
19334 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
19336 * genoutput.c: Include toplev.h.
19338 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
19340 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
19342 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
19343 * configure: Regenerate.
19345 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19347 * gcse.c (delete_null_pointer_checks): Returns void.
19349 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19351 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
19352 * emit-rtl.c (copy_insn_1): Likewise.
19354 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19356 * config/mips/mips.c (mips_build_va_list): Correct
19357 TREE_CHAIN setting when hard-float.
19358 (mips_va_start): Use corrected setting.
19359 (mips_va_arg): Likewise. Also pass a tree to build of
19360 POSTINCREMENT_EXPR rather than a naked 'int'.
19362 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
19364 * ggc.h (ggc_push_context): Fix comment.
19365 (ggc_pop_context): Likewise.
19366 (mark_string_if_gcable): Likewise.
19367 * ggc-common.c (ggc_mark_rtx_children): Use
19368 ggc_mark_string_if_gcable.
19369 * ggc-page.c (ggc_lookup_page_table): New function.
19370 (ggc_allocated_p): Likewise.
19371 (mark_obj): Fix formatting.
19372 (ggc_mark_string_if_gcable): New function.
19373 * ggc-simple.c (ggc_allocated_strings): New variable.
19374 (ggc_strings_used): Likewise.
19375 (ggc_compare_addresses): New function.
19376 (ggc_pop_context): Pop the `any' memory too.
19377 (ggc_mark_string_if_gcable): New function.
19378 (ggc_collect): Initialize and tear down ggc_allocated_strings.
19380 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
19382 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
19383 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
19384 * rs6000.c (expand_block_move): Match movstrsi_?reg register
19387 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
19389 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
19390 (sched_reg_live_length, sched_reg_basic_block): Delete.
19391 (current_block_num, bb_live_regs, old_live_regs): Delete.
19392 (dead_notes, struct sometimes): Delete.
19393 (sched_note_set, birthing_insn_p): Delete.
19394 (adjust_priority): Gut useless reg lifetime code.
19395 (create_reg_dead_note, attach_deaths): Delete.
19396 (attach_deaths_insn, new_sometimes_live): Delete.
19397 (finish_sometimes_live): Delete.
19398 (find_pre_sched_live, find_post_sched_live): Delete.
19399 (update_reg_usage): Delete.
19400 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
19401 (schedule_insns): Delete reg lifetime code.
19402 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
19403 (unlink_other_notes): Adjust REG_NOTE commentary.
19404 (reemit_notes): Use REG_SAVE_NOTE.
19405 (schedule_block): Likewise.
19406 (schedule_region): Allocate bitmap of blocks in region. Use
19407 count_or_remove_death_notes. Use update_life_info.
19409 * rtl.h (REG_SAVE_NOTE): New.
19410 * rtl.c (reg_note_name): Update.
19412 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
19414 * combine.c (refresh_blocks, need_refresh): New.
19415 (combine_instructions): Allocate refresh_blocks. Invoke
19416 update_life_info if needed.
19417 (distribute_notes): Mark refresh_blocks instead of installing
19419 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
19420 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
19422 * Makefile.in (recog.o): Depend on basic-block.h.
19424 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
19426 * genrecog.c (add_to_sequence): Thinko last change: delete
19427 shadowing allow_const_int variable.
19429 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19431 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
19432 __GNUC__ and __GNUC_MINOR__.
19434 * gansidecl.h: Likewise.
19440 * toplev.h: Likewise.
19442 * tree.c: Likewise.
19444 * tree.h: Likewise.
19446 * varray.c: Likewise.
19448 * varray.h: Likewise.
19450 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19452 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
19453 use one before a jump table.
19455 * rtl.def (ADDRESS): Change documentation to match reality.
19456 * md.texi: Don't document it.
19457 * gmicro.md (load address pattern): Use 'p' constraint, delete use
19460 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
19462 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
19464 * genrecog.c (add_to_sequence): Move allow_const_int test outside
19465 known predicate block; default allow_const_int true.
19466 (debug_decision_list): New.
19468 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
19470 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
19472 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
19474 * gcse.c (gcse_main): Avoid global optimizations if we have a
19475 large number of basic blocks and the ratio of edges to blocks
19477 (delete_null_pointer_checks): Likewise.
19479 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
19481 * c-common.c (check_format_info): Warn if format string isn't a
19484 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19486 * configure.in (arm*-*-*): Don't let autoconf remove brackets
19487 * configure: regenerate
19489 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
19491 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
19492 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
19493 (peepholes): Re-enable.
19495 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
19497 * Makefile.in (flow.o): Depend on TREE_H.
19498 * basic-block.h (REG_SET_EQUAL_P): New.
19499 (XOR_REG_SET): New.
19500 (n_edges): Declare.
19501 (free_regset_vector): Remove declaration.
19502 (flow_delete_insn_chain): Declare.
19503 (enum update_life_extent): New.
19504 (update_life_info, count_or_remove_death_notes): Declare.
19505 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
19506 Verify register live at bb->global_live_at_start before adding USE.
19507 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
19508 (CLEAN_ALLOCA): New.
19510 (PROP_*): New flags.
19511 (find_basic_blocks_1): Use alloc_EXPR_LIST.
19512 (clear_edges): Zero n_edges.
19513 (make_edge): Increment n_edges.
19514 (split_edge): Don't allocate bb->local_set. Increment n_edges.
19515 (flow_delete_insn_chain): Export.
19516 (delete_block): Decrement n_edges.
19517 (merge_blocks_nomove): Likewise.
19518 (life_analysis): Give life_analysis_1 PROP flags.
19519 (verify_wide_reg_1, verify_wide_reg): New.
19520 (verify_local_live_at_start): New.
19521 (update_life_info): Rewrite to call into propogate_block.
19523 (mark_regs_live_at_end): After reload, if epilogue as rtl,
19524 always mark stack pointer. Conditionally mark PIC register.
19525 After reload, mark call-saved registers, return regsiters.
19526 (life_analysis_1): Accept PROP flags not remove_dead_code.
19527 Call mark_regs_live_at_end before zeroing regs_ever_live.
19528 Use calculate_global_regs_live. Copy global_live_at_end before
19529 calling final propagate_block. Zero reg_next_use on exit.
19530 (calculate_global_regs_live): New.
19531 (allocate_bb_life_data): Don't allocate bb->local_set.
19532 (init_regset_vector, free_regset_vector): Remove.
19533 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
19534 Test flags before every operation. Warn if prologue/epilogue insn
19535 would have been deleted.
19536 (mark_set_regs, mark_set_1): Accept and use FLAGS.
19537 Use alloc_EXPR_LIST.
19538 (mark_used_regs): Accept and use FLAGS, not FINAL.
19539 Remove special handling for RETURN.
19540 (try_pre_increment): Use alloc_EXPR_LIST.
19541 (dump_flow_info): Dump n_edges.
19542 (unlink_insn_chain, split_hard_reg_notes): Remove.
19543 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
19544 (find_insn_with_note, new_insn_dead_notes): Remove.
19545 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
19546 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
19547 (replace_insns): Remove.
19548 (count_or_remove_death_notes): New.
19549 (verify_flow_info): Abort on error after all checks.
19550 (remove_edge): Decrement n_edges.
19551 (remove_fake_edges): Tweak format.
19552 * haifa-sched.c (schedule_insns): Use split_all_insns.
19553 * output.h (update_life_info): Remove declaration.
19554 * recog.c (split_all_insns): From the corpse of split_block_insns,
19555 do the whole function block by block. Use update_life_info.
19556 (recog_last_allowed_insn): New.
19557 (recog_next_insn): Mind it.
19558 (peephole2_optimize): Set it. Walk backwards through blocks.
19559 Use update_life_info.
19560 * rtl.h (update_flow_info, replace_insns): Remove declarations.
19561 (split_all_insns): Declare.
19562 * toplev.c (rest_of_compilation): Thread prologue before flow2.
19563 Use split_all_insns.
19565 * i386.md (or -1 peep2s): Disable.
19567 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
19569 * config/mips/mips.md (movstrsi+[123]) : Combine these into
19570 a single pattern. Scrap the 'd' versions as unnecessary.
19572 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
19573 tablejump_mips162,tablejump_internal4): The operands to a
19574 label_ref must be VOIDmode.
19576 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19578 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
19580 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19582 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
19584 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
19586 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
19587 cache every function if ggc_p.
19589 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19591 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
19592 instead of copy_rtx. Accept sequences that contain asm statements.
19593 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
19594 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
19595 orig_asm_operands_vector, copy_asm_operands_vector,
19596 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
19598 * rtl.h (copy_insn, copy_insn_1): Declare.
19600 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19602 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
19604 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
19605 arguments to `current_file_function_operand'.
19607 * genrecog.c: Include hard-reg-set.h and resource.h in the
19608 generated output file.
19610 * real.c: Include tm_p.h.
19612 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19614 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
19617 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
19619 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
19620 before the fctiwz insn.
19622 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19623 Mark Mitchell <mark@codesourcery.com>
19625 * tree.c (make_lang_type_fn): New funtion pointer.
19626 (make_lang_type): Call it.
19627 * tree.h (make_lang_type): Declare.
19628 (make_lang_type_fn): Likewise.
19629 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
19631 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
19633 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
19634 make sure that HIGH instructions are copied into BASE_REGS.
19636 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
19638 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
19640 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
19642 * c-decl.c (finish_struct): Use simpler method of
19643 removing elements of a singly-linked list.
19645 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
19647 * alpha.md (peephole2's): Comment out peephole2's that generate
19650 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
19652 * genrecog.c (add_to_sequence): Disable mode check for
19655 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19657 * ggc-simple.c (init_ggc): Set empty_string.
19659 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
19661 * configure.in: Detect mmap. Add --with-gc=foo to select
19662 garbage collector; default to page if mmap available.
19663 * Makefile.in (GGC): Substitute.
19665 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
19667 * c-decl.c (ggc_p): Enable.
19669 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19671 * flow.c (verify_flow_info): Make it extern & unconditionally define.
19673 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
19675 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
19676 string for little-endian-data.
19678 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
19680 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
19681 case somebody tries to compile --enable-checking code with gcc
19684 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
19686 * genrecog.c (add_to_sequence): Verify operand to label_ref is
19689 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
19691 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
19692 * jump.c (jump_optimize_1): Document why.
19694 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19696 * collect2.c (scan_prog_file, scan_libraries): Prototype function
19697 pointers and casts for `int_handler' and `quit_handler'.
19699 * flow.c (verify_flow_info, split_hard_reg_notes,
19700 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
19701 remove_edge, remove_fake_successors): Add static prototypes.
19702 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
19703 (mark_set_1): Initialize variable `regno'.
19704 (unlink_insn_chain): Likewise for variable `curr'.
19705 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
19707 * loop.c (strength_reduce): Initialize variable
19708 `unrolled_insn_copies'.
19709 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
19710 prototypes. Change these functions to take const PTR parameters
19711 to avoid prototype conflict when used as the comparson argument
19713 (check_dbra_loop): Initialize variable `comparison_val'.
19715 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
19716 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
19717 (find_valid_class): Initialize variable `best_class'.
19718 (find_reloads): Call memcpy, not bcopy.
19720 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
19721 (hard_reg_use_compare): Don't needlessly cast away const.
19722 (reload_reg_class_lower): Likewise.
19723 (choose_reload_regs): Initialize variable `regno'.
19725 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
19727 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
19729 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
19731 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
19732 ({,d}discard): Add forward declarations. Declare parameter as
19734 (main_without_main): Explicitly declare return type to be int.
19735 (memcpy): Properly declare.
19737 * libgcc2.c (toplevel): If inhibit_libc is defined and not
19738 building the trampoline support, declare malloc, free, and
19740 (__clear_cache): Mark arguments as potentially unused.
19742 * frame.c (toplevel): If inhibit_libc is defined, declare
19745 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
19747 * flow.c (make_edge): Accept an optional 2D bitmap in which
19748 to cache edge existence. Update all callers.
19749 (make_label_edge, make_eh_edge): Pass through the edge cache.
19750 (make_edges): Provide the cache.
19752 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19754 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
19756 (local_mbtowc): Change the type of variable `i' from int to size_t.
19758 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
19759 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
19761 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
19763 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
19764 after other includes that define the appropriate types. Include
19765 tm_p.h for getting user prototypes.
19766 * ggc-callbacks.c (toplevel): Ditto.
19767 * ggc-none.c (toplevel): Ditto.
19768 * gcc-page.c (toplevel): Ditto.
19769 * ggc-simple.c (toplevel): Ditto.
19771 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
19772 Jonathan Larmour <jlarmour@cygnus.co.uk>
19774 * config/mips/mips.c (mips_move_2words): Split doubles if
19775 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
19777 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
19779 * genrecog.c (struct decision_test): New.
19780 (struct decision): Remove test-related members, sort the rest by size.
19781 (IS_SPLIT): Simplify.
19782 (new_decision, new_decision_test): New.
19783 (add_to_sequence): Use them. No special handling for args of
19785 (maybe_both_true): Renamed from not_both_true; return sense changed.
19786 (maybe_both_true_1, maybe_both_true_2): New. Broken out
19787 of maybe_both_true and adjusted for decision_test.
19788 (position_merit): Remove.
19789 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
19790 (merge_accept_insn): New, broken out of merge_trees.
19791 (merge_trees): Use them. No special case for c_test; no node
19792 splitting; use test type instead of position_merit.
19793 (factor_tests): New.
19794 (simplify_tests): New.
19795 (break_out_subroutines): Don't write code now.
19796 (find_afterward): New.
19797 (write_afterward, write_switch, write_cond): New.
19798 (write_action, is_unconditional): New.
19799 (write_node): New. Use them.
19800 (write_tree_1): Rewrite. Use the new functions above.
19801 (write_tree): Remove afterward processing.
19802 (write_subroutine): Simplify function variant emission.
19803 (write_subroutines): New.
19804 (same_codes, clear_codes): Remove.
19805 (same_modes, clear_modes): Remove.
19806 (write_header): New, broken out of main.
19807 (make_insn_sequence): Use new_decision and new_decision_test.
19808 (process_tree): New, broken out of main.
19809 (main): Adjust for merge_trees interface change.
19810 Don't #define operands in the output file.
19811 (record_insn_name): New, broken out of make_insn_sequence.
19812 (debug_decision_2, debug_decision_1, debug_decision_0): New.
19813 (debug_decision): New.
19815 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
19817 * resource.c (find_free_register): Mark class_str argument const.
19818 * resource.h: Update prototype to match.
19820 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
19821 * i386.md: Give all anonymous insns names.
19823 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
19825 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
19828 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
19830 * toplev.c (dbr_sched_time): Unconditional.
19831 (peephole2_time): New.
19832 (compile_file): Add pass numbers to all of the dump file suffixes.
19833 Dump peephole2_time. Don't dump times for non-applicable passes.
19834 (rest_of_compilation): Add pass numbers to dump file suffixes.
19835 Conditionalize calls to the scheduler.
19836 * invoke.texi: Update.
19838 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
19840 * flow.c (make_edges): Fix insn iteration.
19841 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
19842 (find_basic_blocks_1): Fix spelling mistake.
19844 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
19846 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
19847 always have side-effects. Use memset not bzero.
19848 (make_node): Likewise.
19850 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
19852 * stmt.c (expand_anon_union_decl): When any of the elements of the
19853 union is addressable, so is the entire union.
19855 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
19857 * sbitmap.c (sbitmap_ones): Don't set too many bits.
19859 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
19860 * bitmap.c (bitmap_operation): Return true iff TO changed.
19861 (bitmap_equal_p): New.
19862 (bitmap_bit_p): Tidy arithmetic.
19863 (debug_bitmap_file): Likewise.
19865 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
19867 * toplev.c (rest_of_compilation): Turn on cse_not_expected
19868 before cse2 instead of after.
19870 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
19872 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
19875 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19877 * cppinit.c (is_idchar initializer): Loosen tests to accept
19880 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
19882 * mips.md: Define conditional move patterns for floating point
19883 operands and DI mode conditions.
19885 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
19887 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
19888 always have side-effects.
19890 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
19892 * mn10200.c (asm_file_start): Fix typo.
19894 * cppinit.c (is_idchar initializer): Tighten tests for when
19895 to put the table into initialized memory.
19897 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
19898 not an array of rtunion.
19899 * gcc-page.c (ggc_alloc_rtvec): Similarly.
19900 * gcc-simple (ggc_free_rtvec): Similarly.
19902 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
19905 * mbchar.h: Add missing #endif.
19907 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
19908 (FPBIT, DPBIT): Define.
19910 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19912 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
19914 * profile.c (instrument_arcs, output_gcov_string,
19915 tablejump_entry_p): Add static prototypes.
19916 (output_gcov_string): Constify a char*.
19918 * regmove.c (replacement_quality, fixup_match_2): Add static
19921 * resource.h (reg_dead_p): Add extern prototype.
19923 * rtl.c (trim_filename): Add static prototype.
19925 * scan-decls.c (skip_to_closing_brace): Likewise.
19927 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
19928 (expand_end_case): Initialize variable `range'.
19929 (emit_case_nodes): Remove unused prototype `rtx_fn'.
19931 * varasm.c (asm_emit_uninitialised): Add static prototype.
19932 (asm_emit_uninitialised, assemble_variable): Mark parameter with
19935 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19937 * cpplib.c (if_directive_nameo): Add static prototype.
19939 * cse.c (cse_insn): Remove unused variable `p'.
19941 * except.c (create_rethrow_ref, push_entry,
19942 receive_exception_label, new_eh_region_entry, find_func_region,
19943 clear_function_eh_region, process_nestinfo): Add static prototypes.
19944 (get_reg_for_handler): Hide definition.
19945 (process_nestinfo): Initialize variable `extra_handlers'.
19947 * expr.h (expand_builtin_longjmp): Add extern prototype.
19949 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
19951 * function.c (prepare_function_start): Likewise.
19952 (pop_function_context_from): Mark parameter `context' with
19954 (push_temp_slots_for_block, flush_addressof): Hide definition.
19956 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
19957 solve_program_flow_graph, calculate_branch_probs,
19958 function_summary, main, fancy_abort): Add prototypes.
19960 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
19961 (add_hash): Constify a char*.
19963 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
19964 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
19965 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
19967 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
19969 * lists.c (free_list, zap_lists): Likewise.
19971 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19973 * alias.c (nonlocal_reference_p): Add static prototype.
19975 * bitmap.c (bitmap_element_allocate): Prototype args in function
19978 * builtins.c (stabilize_va_list): Add static prototype.
19979 (expand_builtin_va_arg): Constify a char*.
19981 * c-lex.c (getch, put_back, extend_token_buffer_to,
19982 read_line_number, token_getch, token_put_back): Add static
19985 * c-parse.gperf (hash, is_reserved_word): Likewise.
19987 * cccp.c (is_dir_separator): Likewise.
19989 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19991 * graph.h: New file to prototype functions exported by graph.c.
19993 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
19995 * graph.c: Include graph.h.
19997 * toplev.c: Likewise. Remove redundant prototypes.
19999 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20001 * invoke.texi: Removed duplicated description for -Q.
20003 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
20005 * extend.texi: Grammar fix in __extension__ text.
20007 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
20009 * md.texi (define_peephole2): New section.
20011 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
20013 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
20014 (mov $-1 to or peepholer): Enable for pentium when optimizing for
20017 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
20019 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
20021 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
20023 * i386.md (ffs expander): Emit Pentium friendly code for
20026 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
20028 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
20030 (build1): Likewise.
20032 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20034 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
20036 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
20038 * config/m68k/m68k.c (use_return_insn): Return false if the pic
20039 register is in use.
20041 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20043 * md.texi (No Constraints): Delete section.
20044 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
20045 * final.c (final_scan_insn): We always have register constraints.
20046 * genattrtab.c: Don't include "insn-config.h".
20047 (write_attr_case): We always have register constraints.
20048 * genconfig.c (register_constraint_flag): Delete.
20049 (walk_insn_part): Don't check whether we have register constraints.
20050 (main): Don't write out "#define REGISTER_CONSTRAINTS".
20051 * genoutput.c (have_constraints): Delete.
20052 (main): Don't set it.
20053 (output_operand_data): We always have constraints.
20054 (scan_operands): Likewise.
20055 (compare_operands): Likewise.
20056 * local-alloc.c (block_alloc): We always have constraints.
20057 (requires_inout): Always compile this function.
20058 * recog.c (extract_insn): We always have constraints.
20059 (constrain_operands, reg_fits_class_p): Always compile these
20061 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
20063 (struct insn_operand_data): Likewise.
20064 * regclass.c (regclass): We always have constraints.
20065 (record_reg_classes, copy_cost, record_address_regs,
20066 auto_inc_dec_reg_p): Always compile these functions.
20067 * regmove.c (regmove_optimize): We always have constraints.
20068 * reload.c (find_reloads): Likewise.
20069 * reload1.c (reload): Likewise.
20070 (reload_cse_simplify_operands): Likewise.
20071 * i860.c (output_delay_insn): Likewise.
20073 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
20075 * iris6.h (BUILD_VA_LIST_TYPE): Define.
20077 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20079 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
20080 for the va_list record.
20082 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
20084 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
20087 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
20089 * alias.c: Include insn-flags.h.
20090 * Makefile.in (alias.o): Update.
20092 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
20094 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
20095 to LTU and GEU. Handle more cases using sbb.
20097 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
20099 * i386.md (truncatexfdf splitters): Do not use subreg.
20100 (fop XFmode patterns): Fix mode in operand testing.
20102 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
20104 * jump.c (jump_optimize_1): Amend last change to test only the
20105 form of the operand, not the insn.
20107 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
20108 not register_operand to determine when B may need preloading.
20110 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
20112 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
20113 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
20114 (call-value patterns): Move to end of file.
20115 (*): Remove mode from label_ref in (pc) context.
20116 (movstrqi): Use memory not general_operand for BLKmode operands.
20117 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
20118 to register_operand operands.
20119 (peep2 patterns): Convert from commented-out peephole patterns.
20121 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20123 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
20124 to BUILT_IN_INIT_DWARF_REG_SIZES.
20125 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
20126 Renamed from BUILT_IN_DWARF_REG_SIZE; call
20127 expand_builtin_init_dwarf_reg_sizes.
20128 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
20129 with __builtin_init_dwarf_reg_size_table.
20130 * dwarf2out.c (struct reg_size_range): Delete.
20131 (expand_builtin_init_dwarf_reg_sizes): New function.
20132 (expand_builtin_dwarf_reg_size): Delete.
20133 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
20134 (expand_builtin_dwarf_reg_size): Don't declare.
20135 * libgcc2.c (dwarf_reg_size_table_initialized): New.
20136 (dwarf_reg_size_table): New.
20137 (init_reg_size_table): New function.
20138 (copy_reg): Use dwarf_reg_size_table.
20139 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
20142 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
20144 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
20145 Correctly build argument list to constructor and destructor functions.
20147 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
20149 * c-tree.h (warn_float_equal): Declare.
20150 * c-decl.c (warn_float_equal): Define.
20151 (c_decode_option): Recognize -W[no-]float-equal.
20152 * c-typeck.c (build_binary_op): Conditionally warn
20153 about equality tests of floating point types.
20154 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
20155 * invoke.texi: Add docs for -Wfloat-equal warning.
20157 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
20159 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
20160 generating RTL directly.
20161 * mips.h (INIT_TARGET_OPTABS): Likewise.
20162 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
20164 * expr.h (init_mov_optab): Delete declaration
20166 * h8300.c (WORD_REG_USED): Update to avoid useless register
20167 saves in interrupt functions and functions which never return.
20169 * cse.c (struct set): Delete inner_dest_loc field.
20170 (cse_insn): Remove assignments to inner_dest_loc field.
20172 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
20174 * ggc-page.c: Don't include <unistd.h> etc taken care of
20175 by "system.h". Include <sys/mman.h> afterward.
20177 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
20179 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
20182 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
20184 * xcoffout.c (xcoffout_declare_function): Add documentation.
20185 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
20186 TARGET_64BIT. Compare constant to -1, not bit pattern.
20187 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
20188 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
20191 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
20193 * dwarf2out.c (add_abstract_origin_attribute): Abort if
20194 origin_die is NULL.
20195 (gen_inlined_enumeration_type_die): Do not abort if the type has
20196 not been writeen out.
20197 (gen_inlined_structure_type_die): Do not abort if the type has
20198 not been writeen out.
20199 (gen_inlined_union_type_die): Do not abort if the type has
20200 not been writeen out.
20201 (gen_tagged_type_instantiation_die): Do not abort if the type
20202 has not been written out.
20204 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20206 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
20208 * reg-stack.c (straighten_stack): Copy hard reg set with
20211 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
20213 * builtins.c (stabilize_va_list): Stabilize array type va_list
20214 to a pointer type, not the base record type.
20215 (expand_builtin_va_copy): Dereference the pointers explicitly;
20216 use the correct size for the copy.
20218 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
20219 (rs6000_va_arg): Likewise.
20221 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
20223 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
20225 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
20227 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
20229 (DECL_BUILT_IN_CLASS): Adjust accordingly.
20231 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
20233 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
20234 (init_ggc): Use it instead of a constant.
20235 (ggc_collect): Bound allocated_last_gc by it.
20237 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
20239 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
20242 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
20244 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
20245 (mips*-*-openbsd*): Let big endian configuration be a fragment.
20246 * configure: Regen.
20247 * config/mips/openbsd.h: New, OpenBSD little endian target.
20248 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
20249 * config/mips/xm-openbsd.h: New, OpenBSD host.
20251 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
20253 * config/m68k/m68k.c (output_function_prologue,
20254 output_function_epilogue): Use
20255 current_function_uses_pic_offset_table instead of regs_ever_live
20256 to decide whether to save/restore pic register.
20257 (legitimize_pic_address): Don't modify regs_ever_live any more.
20259 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
20261 * function.h (struct function): Add x_dont_save_pending_sizes_p.
20262 * stor-layout.c (variable_size): Don't add sizes to the pending
20263 sizes list if x_dont_save_pending_sizes_p is set.
20265 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
20267 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
20268 for symbolic_operand().
20269 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
20271 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20273 * combine.c (gen_rtx_combine): Add missing call to va_end().
20275 * final.c (asm_fprintf): Likewise.
20277 * genattrtab.c (attr_rtx): Likewise.
20279 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
20281 * cse.c: Update comments.
20282 (cse_insn): When converting a conditional/computed jump into
20283 an unconditional jump, always make sure a BARRIER immediately
20284 follows the converted jump. Do not delete unreachable code.
20285 (cse_basic_block): Do not delete unreachable code.
20286 * toplev.c (rest_of_compilation): Move call to
20287 delete_trivially_dead_insns after the conditional call to
20290 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20292 * collect2.c (make_temp_file): Don't prototype.
20294 * gcc.c (make_temp_file): Likewise.
20296 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
20298 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
20300 * varasm.c (asm_emit_uninitialised): New function: Generate
20301 the assembler statements necessary to declare an uninitialised
20303 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
20305 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
20306 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
20308 (assemble_variable): Use asm_emit_uninitialised to emit an
20309 uninitialised variable.
20311 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
20313 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
20314 constant on a 64 bit host. Patch supplied by Geoffrey Keating
20315 <geoffk@cygnus.com>.
20317 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20319 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
20320 * c-common.h (builtin_function): Don't declare.
20322 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
20324 (pushdecl): Likewise.
20325 (finish_decl): Likewise.
20326 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
20327 int. All callers changed.
20328 Set the builtin's DECL_BUILT_IN_CLASS.
20329 * tree.h (enum built_in_class): New.
20330 (enum built_in_function): Delete NOT_BUILT_IN.
20331 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
20333 (DECL_SET_FUNCTION_CODE): Likewise.
20334 (DECL_BUILT_IN_CLASS): New macro.
20335 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
20336 (struct tree_decl): Split builtin function code field into a
20338 (builtin_function): Declare.
20340 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
20342 * optabs.c (init_traps): Fix typo in last change.
20344 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
20346 * toplev.c (rest_of_decl_compilation): Update comment.
20348 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20350 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
20351 in .sbss if appropriate.
20352 (EXTRA_SECTION_FUNCTIONS): Add sbss.
20353 (SBSS_SECTION_ASM_OP): New macro.
20354 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
20355 (EXTRA_SECTIONS): Add in_sbss.
20356 * config/mips/mips.h: Prototype sbss_section.
20358 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
20360 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
20363 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
20365 * optabs.c (init_traps): Register trap_rtx as a GC root.
20367 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20369 * config/mips/mips.c (function_arg_pass_by_reference): Define
20370 unconditionally, since it's called unconditionally.
20372 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20374 * toplev.c (documented_lang_options): Add -fshort-wchar.
20375 * c-decl.c (c_decode_option): Likewise.
20376 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
20378 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
20379 * gcc.c (default_compilers): If -fshort-wchar,
20380 override __WCHAR_TYPE__.
20381 * tm.texi (C Dialect Options): Add -fshort-wchar.
20383 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
20384 symbol for a variable.
20386 * cpplib.h (CPP_PREPROCESSED): New macro.
20387 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
20388 we're seeing this input for a second time.
20390 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
20392 * emit-rtl.c (init_emit_once): Initialize modes first.
20394 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
20396 * config/i386/i386.c (pic_label_name): Change to char pointer.
20397 (global_offset_table): New variable.
20398 (load_pic_register): Fill global_offset_table if it hasn't
20399 already been done. Allocate pic_label_name dynamically.
20400 * ggc.h (empty_string): New variable.
20401 * ggc-simple.c (empty_string): Likewise.
20402 (init_ggc): Allocate empty_string and add as root.
20403 * stmt.c (digit_strings): New variable.
20404 (init_stmt): Add last_block_end_note as root. Allocate and
20405 initialize digit_strings.
20406 (expand_asm_operands): Use empty_string instead of string
20407 constant. Use digit_strings instead of string constants.
20408 * profile.c (init_arc_profiler): Allocate string with
20409 ggc_alloc_string instead of xmalloc.
20410 (output_func_start_profiler): Likewise.
20411 * c-typeck.c (digest_init): Check if init is error_mark_node.
20413 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
20414 Richard Henderson <rth@cygnus.com>
20416 * ggc-page.c: New file.
20417 * Makefile.in (ggc-page.o): New.
20419 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
20421 * invoke.texi: Document -fdelete-null-pointer-checks
20422 * toplev.c (flag_delete_null_pointer_checks): New.
20423 (f_options): Add entry for -fdelete-null-pointer-checks.
20424 (rest_of_compilation): Conditionalize null pointer check
20425 elimination on flag_delete_null_pointer_checks.
20426 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
20428 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
20430 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
20431 copyright notice and special exception to GPL.
20433 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20435 * abi64.h (mips_function_value): Add prototype arguments.
20437 * mips-protos.h: New file with mips prototypes.
20439 * mips.c: Include "tm_p.h".
20440 (mktemp, lookup_name): Add prototype arguments.
20441 (extern_list, string_constant, mips_fill_delay_slot,
20442 mips_output_external, mips_output_external_libcall,
20443 mips_output_filename, mips_declare_object, function_prologue,
20444 mips_expand_prologue, function_epilogue, mips16_constant,
20445 build_mips16_function_stub, mips_output_conditional_branch):
20447 (mips_va_start): Remove unused variable `u'.
20448 (mips_va_arg): Cast value to unsigned when comparing against one.
20450 (save_restore_insns, mips_expand_prologue): Add missing arg in
20451 call to `large_int'.
20453 * mips.h: Move prototypes to mips-protos.h.
20454 (data_section, memory_address_p, rdata_section,
20455 readonly_data_section, simple_epilogue_p, text_section): Delete
20456 prototypes delcared elsewhere.
20457 (mips_epilogue_delay_slots, print_options): Delete unused decls.
20459 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
20461 * mips.md: Delete extra args in call to `mips_move_2words'.
20463 * xm-iris6.h (alloca): Add prototype argument.
20465 * genpeep.c: Include "tm_p.h" in generated output file.
20467 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20469 * basic-block.h (find_edge_index): Change parameters.
20470 * flow.c (verify_edge_list): Pass basic_block parameters to
20471 find_edge_index instead of integers.
20473 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
20475 * combine.c (simplify_comparison): Use an unsigned shift to adjust
20478 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
20480 * gcc.1: Fix a formatting error.
20482 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20484 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
20485 i786, mn10200, mn10300, pdp11, v850.
20487 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
20489 * libgcc2.c (num_digits): Add prototype with
20490 __attribute__((const)).
20491 (__terminate): Add prototype.
20493 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
20495 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
20497 * alpha/alpha.c (print_operand): Fix type of `code'.
20498 (alpha_output_filename): Constify.
20499 * alpha/alpha.h: Move all function declarations ...
20500 * alpha/alpha-protos.h: ... here. New file.
20501 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
20502 (SECTION_FUNCTION_TEMPLATE): Likewise.
20504 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20506 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
20507 * expr.c (expand_expr): Likewise.
20508 (do_jump): Likewise.
20509 (do_store_flag): Pass ccp_store_flag to can_compare_p.
20510 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
20512 (enum can_compare_purpose): New.
20513 (can_compare_p): Adjust prototype.
20514 (prepare_cmp_insn, prepare_operand): Declare.
20515 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
20516 * optabs.c (cmp_available_p): Deleted.
20517 (expand_abs): Pass ccp_jump to can_compare_p.
20518 (can_compare_p): New arg PURPOSE. Check for combined optabs.
20519 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
20520 Call can_compare_p rather than cmp_available_p.
20521 (prepare_operand): No longer static.
20522 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
20523 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
20524 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
20525 sequence to use emit_cmp_and_jump_insns.
20526 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
20528 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
20530 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
20531 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
20532 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
20533 (plus (reg) (const_int 0))
20534 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
20536 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
20538 * rs6000.c (expand_block_move): DImode loads and stores require
20539 word-aligned displacements. Increment address registers with
20540 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
20542 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
20544 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
20545 is no name for the base type, rather than segfault. If we are
20546 writing out a complex integer type, use DW_ATE_lo_user.
20548 * expr.c (emit_move_insn_1): If we are copying a complex that fits
20549 in one word or less (complex char, complex short, or on 64 bit
20550 systems complex float) to/from a hard register, copy it through
20551 memory instead of dying in gen_{real,imag}part. If we have a
20552 short complex type, prevent inlining since it allocates stack
20555 * tree.c (build_complex_type): If we are writing dwarf2 output,
20556 generate a name for complex integer types.
20558 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20560 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
20561 * flow.c (remove_edge): Remove extra whitespace.
20562 (remove_fake_edges): Fix comment.
20563 (add_noreturn_fake_exit_edges): Use the correct name.
20565 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
20567 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
20568 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
20569 (clean): Depend on INTL_CLEAN.
20570 (maintainer-clean): Adjust.
20572 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20574 * configure.in (AC_PREREQ): Bump to 2.13.
20575 (AC_C_STRINGIZE): Call this instead of using a custom macro.
20577 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
20579 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
20581 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
20583 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
20584 (HAVE_STRINGIZE): Define.
20586 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
20588 * c-parse.in: save and restore warn_pointer_arith on __extension__
20589 along with pedantic.
20590 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
20591 Set the type of extension to itype rather than $<itype>1 kludge.
20592 * extend.texi (Alternate Keywords): Adjust documentation.
20593 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
20595 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
20597 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
20598 most assembler templates.
20600 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
20601 FP loads and stores.
20602 (following_call): Always return zero for the PA8000.
20603 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
20604 FP loads and stores.
20605 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
20607 * pa.h (BRANCH_COST): Define.
20609 * pa.md (return, return_internal): Use bve for PA2.0.
20611 * pa.md (fused multiply): Add variants which reduce height for the
20612 fused multiply, but which still generate 2 insns.
20613 (fnegabs): Similarly.
20615 * pa.md (subsi3): Turn into an expander. Create two anonymous
20616 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
20617 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
20619 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
20621 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
20623 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
20624 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
20626 * regclass.c (init_regs): Add "top_of_stack" as a garbage
20629 * flow.c (record_active_eh_regions): Terminate loop after finding
20630 the last insn in the last basic block.
20632 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20634 * config/c4x/c4x.md: Delete parallel instruction peepholes.
20636 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20638 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
20640 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20642 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
20643 splitting to not use output template.
20645 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20647 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
20648 * config/c4x/c4x.c (c4x_va_start): New function.
20650 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
20652 * genrecog.c (not_both_true): Handle correctly cases when called for
20653 tests with different positions in the insn.
20655 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20657 * machmode.h (HOST_PTR_PRINTF): Move from here ...
20659 * system.h (HOST_PTR_PRINTF): ... to here.
20661 * mips-tfile.c: Don't include machmode.h.
20663 * Makefile.in (MACHMODE_H): New variable. Update to use it.
20664 (mips-tfile.o): Don't depend on machmode.h.
20666 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20668 * haifa-sched.c (sched_analyze): Rename local variable `region' to
20669 avoid conflicts with typedef struct `region' at the top level scope.
20671 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
20673 * basic-block.h (basic_block): Add eh_beg, eh_end.
20674 * flow.c (entry_exit_blocks): Update.
20675 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
20676 Call new functions.
20677 (find_basic_blocks_1): Don't record eh_list at each bb. Use
20678 lists.c functions to allocate insn lists.
20679 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
20681 (make_eh_edge): ... here. New.
20682 (move_stray_eh_region_notes): New.
20683 (record_active_eh_regions): New.
20684 (delete_unreachable_blocks): Split out block merging ...
20685 (try_merge_blocks): ... here. New.
20686 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
20687 Dump debugging data.
20688 (merge_blocks_move_successor_nojumps): Likewise.
20689 (merge_blocks): Use eh_beg+eh_end to validate block movement.
20691 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
20693 * extend.texi (Bound member functions): Document unbound pmf
20696 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20698 * flow.c (split_edge): Handle insertion on a fallthrough edge which
20699 has the EXIT_BLOCK as a dest.
20701 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20703 * flow.c (remove_edge): New function to remove an edge from the
20705 (remove_fake_successors): New function to remove fake successor edges.
20706 (remove_fake_edges): New function to remove all fake edges from the
20708 (add_fake_exit_edges): New function to add fake edges from all blocks
20709 with no successors to the exit block.
20710 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
20711 prototypes for new functions.
20713 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20715 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
20716 Use Pmode to determine whether to output .dword or .word.
20718 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
20720 * tree.c (built_in_filename): New variable.
20721 (BUILT_IN_FILENAME): New macro.
20722 (init_tree_codes): Allocate built_in_filename.
20723 (make_node): Use built_in_filename instead of string constant.
20725 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
20727 * configure.in: Add fr30 target.
20728 * configure: Regenerate.
20729 * config/fr30: New directory.
20730 * config/fr30/crti.asm: New file.
20731 * config/fr30/fr30.c: New file.
20732 * config/fr30/crtn.asm: New file.
20733 * config/fr30/fr30.h: New file.
20734 * config/fr30/fr30.md: New file.
20735 * config/fr30/lib1funcs.asm: New file.
20736 * config/fr30/t-fr30: New file.
20737 * config/fr30/xm-fr30.h: New file.
20739 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
20741 * flow.c (merge_blocks_move_successor_nojumps): Delete the
20742 BARRIER at the end of the successor, not the BARRIER before
20745 * pa.c (pa_add_gc_roots): Fix thinko in last change.
20747 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
20749 * stmt.c (any_pending_cleanups): Don't crash when
20750 current_function->stmt is unset.
20752 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20754 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
20755 other initializations that may use it for relative offsets.
20757 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20759 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
20760 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
20761 * config/i386/sol2dbg.h: Removed.
20762 * config/i386/sol2gas.h: New file, to enable gas work-around.
20763 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
20764 Don't use sol2dbg.h.
20765 * configure: Rebuilt.
20767 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
20769 * invoke.texi (-fthis-is-variable): Remove documentation.
20771 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
20773 * basic-block.h (compute_bb_for_insn): Declare.
20774 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
20775 to use; set size of basic_block_for_insn directly.
20776 (find_basic_blocks): Update.
20778 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20780 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
20782 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20784 * crtstuff.c (ON_EXIT): Delete empty macro definition.
20785 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
20787 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
20789 * c-decl.c (c_decode_option): Extend comment.
20791 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
20793 * toplev.c (progname): Make 'const char *'
20794 (flag_print_mem): Move out of main.
20795 (version_flag): Move out of main.
20796 (filename): Move out of main.
20797 (debug_args): Remove g prefix from options.
20798 (documented_lang_options): Remove cpplib specific options.
20799 (display_help): Add g prefix to debug options.
20800 (check_lang_option): Delete this function.
20801 (decode_d_option): New function: Decode -d... option.
20802 (decode_f_option): New function: Decode -f... option.
20803 (decode_W_option): New function: Decode -W... option.
20804 (decode_g_option): New function: Decode -g... option.
20805 (independent_decode_option): New function: Decode a language
20806 independent command line option.
20807 (main): Invoke lang_decode_option and then
20808 independent_decode_option on each command line option in
20811 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
20813 Revert this change. Gavin's patch to operand_equal_p is a better fix.
20814 * fold-const.c (fold_range_test): Do not try to fold the range
20815 test if the rhs or lhs has side effects.
20817 * basic-block.h (compute_flow_dominators): Declare.
20819 * gcse.c (alloc_code_hoist_mem): New function.
20820 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
20821 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
20822 (hoist_code, one_code_hoisting_pass): Likewise.
20823 (gcse_main): If optimizing for size, then hoist expressions
20824 computed in multiple dominated basic blocks.
20826 * gcse.c (invalid_nonnull_info): New function.
20827 (delete_null_pointer_checks): Likewise.
20828 * rtl.h (delete_null_pointer_checks): Declare.
20829 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
20831 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
20832 (merge-blocks_move_successor_nojumps): Likewise.
20833 (merge_blocks): Allow merging of some blocks, even if it requires
20834 physical movement of the blocks, but not if it requires new jumps.
20836 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
20837 Callers and prototype changed.
20838 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
20840 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20842 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
20843 -YP when both -p and -pg are present. From i386/sol2.h.
20845 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20847 * Makefile.in (distclean): Delete tm_p.h.
20848 * configure.in: Create a new file, "tm_p.h", from a list in
20849 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
20850 "i386/i386-protos.h".
20852 * alias.c: Include "tm_p.h".
20853 * c-typeck.c: Likewise.
20854 * calls.c: Likewise.
20856 * emit-rtl.c: Likewise.
20857 * explow.c: Likewise.
20858 * expmed.c: Likewise.
20859 * expr.c: Likewise.
20860 * final.c: Likewise.
20861 * flow.c: Likewise.
20862 * fold-const.c: Likewise.
20863 * function.c: Likewise.
20864 * gcse.c: Likewise.
20865 * global.c: Likewise.
20866 * haifa-sched.c: Likewise.
20867 * integrate.c: Likewise.
20868 * jump.c: Likewise.
20869 * local-alloc.c: Likewise.
20870 * loop.c: Likewise.
20871 * optabs.c: Likewise.
20872 * recog.c: Likewise.
20873 * reg-stack.c: Likewise.
20874 * regclass.c: Likewise.
20875 * regmove.c: Likewise.
20876 * reload.c: Likewise.
20877 * reload1.c: Likewise.
20878 * reorg.c: Likewise.
20879 * resource.c: Likewise.
20880 * stmt.c: Likewise.
20881 * stor-layout.c: Likewise.
20882 * toplev.c: Likewise.
20883 * tree.c: Likewise.
20884 * unroll.c: Likewise.
20885 * genattrtab.c (main): Make generated file include "tm_p.h".
20886 * genemit.c (main): Likewise.
20887 * genoutput.c (main): Likewise.
20888 * genrecog.c (main): Likewise.
20890 * i386.h: Delete all prototypes.
20891 * i386.c: Include "tm_p.h".
20892 (ix86_attr_length_default): Call constant_call_address_operand
20893 with correct number of arguments.
20894 * i386-protos.h: New file.
20895 * i386.md (unnamed patterns): Call constant_call_address_operand
20896 with correct number of arguments.
20897 (exception_receiver): Call load_pic_register with correct number
20900 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
20902 * c-pragma.c (mark_align_stack): Dereference the void* properly.
20904 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
20906 * rtl.h (insns_safe_to_move_p): New function.
20907 * loop.c (find_and_verify_loops): Use it.
20908 * rtlanal.c (insns_safe_to_move_p): Define it.
20910 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
20912 * c-pragma.c: Include ggc.h.
20913 * Makefile.in (c-pragma.o): Update.
20915 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20917 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
20918 (LIB_SPEC): Likewise.
20919 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
20920 Reindent -YP/-p/-pg.
20921 Copied from config/sparc/sol2.h.
20923 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
20925 * c-pragma.c (mark_align_stack): New.
20926 (init_pragma): New.
20927 * c-pragma.h (init_pragma): Declare it.
20928 * c-lex.c (init_parse): Call it.
20930 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20932 * configure.in: Pick up thread library on Solaris/x86 just
20933 like on Solaris/sparc.
20934 * configure: Rebuilt.
20936 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
20938 * rtl.h (global_rtx_index): New enum.
20939 (global_rtl): Change to array of rtx.
20940 (pc_rtx, cc0_rtx): Redefine accordingly.
20941 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
20942 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
20943 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
20944 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
20945 (const_int_rtx): Change to array of rtx.
20946 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
20948 * emit-rtl.c (global_rtl): Change to array of rtx.
20949 (const_int_rtx): Change to aray of rtx.
20950 (gen_rtx_CONST_INT): Redefine accordingly.
20951 (init_emit_once): Allocate and initialize global_rtl. Likewise
20952 for const_int_rtx. Add both as GC roots.
20953 * genattrtab.c (global_rtl): Update declaration.
20955 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
20957 * Makefile (USER_H): Add iso646.h back.
20959 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
20961 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
20962 zapping the LOG_LINKS of sched_before_next_call.
20964 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
20965 * pa.c (insn_refs_are_delayed): Renamed from
20966 insn_sets_and_refs_are_delayed.
20968 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
20970 * functiion.h (struct function): Add x_whole_function_mode_p.
20971 (retrofit_block): Declare.
20972 * function.c (retrofit_block): New function.
20973 (identify_blocks): Add assertions. Allow an incomplete set of
20974 block notes if we're still generating code for the function.
20975 * integrate.c: Include loop.h.
20976 (expand_inline_function): Call find_loop_tree_blocks to map block
20977 notes to blocks when in whole-function mode. Use retrofit_block
20978 to insert new BLOCKs for the inlined function, rather than
20980 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
20981 * Makefile.in (integrate.o): Depend on loop.h.
20983 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20985 * tree.h (warn_about_unused_variables): Declare.
20986 * stmt.c (warn_about_unused_variables): New function, split out
20988 (expand_end_bindings): Here.
20990 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
20992 * stmt.c (preserve_subexpressions_p): Don't crash when
20993 current_function->stmt is unset.
20995 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
20997 * stmt.c (expand_start_bindings): Allow callers to pass a flag
20998 indicating that no NOTE_INSN_BLOCK_BEG note is required.
20999 (expand_start_target_temps): Use it.
21000 * except.c (expand_eh_region_start_for_decl): Likewise.
21001 * expr.c (expand_expr): Likewise.
21003 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21005 * fold-const.c (operand_equal_p): Pay attention to side effects.
21007 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
21009 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
21010 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
21012 * tlink.c (scan_linker_output): Look for keywords before accepting
21013 a mangled name in quotes.
21015 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
21017 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
21018 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
21020 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
21022 * alpha.md: Revert Thu Nov 26 change that came in through the
21023 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
21024 Avoid earlyclobber when possible.
21026 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21028 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
21030 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
21031 Define HAVE_ON_EXIT.
21033 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21035 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
21036 CTYPE_CONV in all ctype macros.
21038 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
21041 * cexp.y (initialize_random_junk): Likewise.
21043 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
21045 * i370.c (handle_pragma): Likewise.
21047 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
21049 * v850.c (override_options): Likewise.
21051 * doprint.c (_doprnt): Likewise.
21053 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
21056 * fixinc/server.c (load_data): Likewise.
21058 * fold-const.c (real_hex_to_f): Likewise.
21060 * genattr.c (write_upcase, gen_attr): Likewise.
21062 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
21063 write_upcase): Likewise.
21065 * genemit.c (print_code): Likewise.
21067 * genopinit.c (gen_insn): Likewise.
21069 * genpeep.c (print_code): Likewise.
21071 * genrecog.c (print_code): Likewise.
21073 * optabs.c (init_libfuncs): Likewise.
21075 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
21077 * haifa-sched.c (sched_analyze): Keep the list of notes organized
21079 (reemit_notes): Likewise.
21081 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
21083 * ggc.h (ggc_root): Move to ggc-common.c.
21085 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
21086 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
21087 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
21088 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
21089 * ggc-common.c (ggc_root): Move from ggc.h.
21090 (roots): Declare, static.
21091 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
21092 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
21093 null or check/set mark bit.
21094 (ggc_mark_roots): New.
21095 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
21097 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
21099 * m32r.c: Include toplev.h.
21100 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
21101 (gen_compare): Rename swap_p to must_swap to match uses.
21102 Add default abort case.
21103 (m32r_output_function_epilogue): Remove unused variables.
21104 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
21105 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
21106 define to empty parameter list. Update all uses.
21107 (predicate decls): Use enum machine_mode not int.
21108 * m32r.md (movsi): Call abort, not fatal_insn.
21109 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
21111 1999-09-14 Andrew Haley <aph@cygnus.com>
21113 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
21114 use $0 instead of 0.
21116 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21118 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
21119 computation out of loop over hard regs.
21121 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
21123 * function.c (identify_blocks): Don't shadow a variable in an
21125 * integrate.c (integrate_decl_tree): Don't use pushlevel,
21126 pushdecl, or poplevel to build up the new BLOCK tree.
21127 (expand_inline_function): Likewise.
21128 (integrate_parm_decls): Likewise.
21130 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
21132 * c-typeck.c (qualify_type): Merge qualifiers from both types.
21134 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
21136 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
21137 * invoke.texi: Document this change.
21139 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
21141 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
21143 (mark_emit_status): Renamed from mark_emit_state.
21144 * except.c (mark_eh_status): Renamed from mark_eh_state.
21145 Check not null before marking.
21146 (free_eh_status): New.
21147 * expr.c (mark_expr_status, free_expr_status): New.
21148 * function.c (free_machine_status): New.
21149 (free_after_parsing): New.
21150 (free_after_compilation): Move bits to free_after_parsing; call
21151 free_eh_status, free_expr_status; zero the marked members of the
21153 (prepare_function_start): No can_garbage_collect.
21154 Call init_eh_for_function.
21155 (expand_dummy_function_end): Free up current_function state.
21156 (mark_function_status): Renamed from mark_function_state.
21157 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
21158 * function.h (struct function): No can_garbage_collect.
21159 (free_machine_status, free_after_parsing): Declare.
21160 (free_eh_status, free_expr_status): Declare.
21161 * ggc.h (mark_expr_status): Declare.
21162 * stmt.c (free_stmt_status): Free the struct.
21163 (mark_stmt_status): Renamed from mark_stmt_state.
21164 (init_stmt): Don't call init_eh.
21165 (init_stmt_for_function): Don't call init_eh_for_function.
21166 * toplev.c (compile_file): Call init_eh.
21167 (rest_of_compilation): Free basic block info before ggc_collect.
21168 Call free_after_parsing; conditionally call free_after_compilation.
21169 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
21170 Check not null before marking.
21171 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
21173 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
21175 * c-lex.c (yylex): Initialize warn.
21177 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
21179 * pa.c (emit_move_sequence): Properly set the mode of the scratch
21180 register when performing secondary reloads for the SAR register.
21182 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
21184 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
21185 (NOTE_BLOCK): New macro.
21186 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
21187 * function.h (identify_blocks): Change prototype.
21188 * function.c (identify_blocks): Simplify.
21189 (reorder_blocks): Likewise.
21190 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
21191 NOTE_INSN_BLOCK_{BEG,END}.
21192 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
21193 the list of saved notes if the note isn't a
21194 NOTE_INSN_BLOCK_{BEG,END}.
21195 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
21197 (reemit_notes): Adjust recreation of notes to reflect new saved
21199 * print-rtl.c (print_rtx): Print the address of the BLOCK when
21200 printing a block note.
21201 * stmt.c (block_vector): Remove.
21202 (find_loop_tree_blocks): Simplify.
21203 (unroll_block_trees): Likewise.
21204 * tree.h (reorder_block): Change prototype.
21206 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
21208 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
21209 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
21210 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
21211 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
21212 (atexit, exit): Simplify.
21213 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
21214 * config/lots: Remove defns of HAVE_ATEXIT.
21216 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
21218 * calls.c (precompute_arguments): Fix typo in comment.
21219 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
21222 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
21224 * dsp16xx.c (override_options): Fix typos in GC root registration.
21226 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
21228 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
21229 from config/svr4.h.
21230 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
21231 (FUNCTION_PROFILER): Redefine appropriately for Linux.
21232 (CC1_SPEC): Likewise.
21234 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21236 * genattr.c (main): Add extern prototype. Call return, not exit.
21237 * genattrtab.c (main): Likewise.
21238 * gencheck.c (main): Likewise.
21239 * gencodes.c (main): Likewise.
21240 * genconfig.c (main): Likewise.
21241 * genemit.c (main): Likewise.
21242 * genextract.c (main): Likewise.
21243 * genflags.c (main): Likewise.
21244 * gengenrtl.c (main): Likewise.
21245 * genopinit.c (main): Likewise.
21246 * genoutput.c (main): Likewise.
21247 * genpeep.c (main): Likewise.
21248 * genrecog.c (main): Likewise.
21250 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
21251 * genattrtab.c (get_insn_name): Likewise.
21252 * gencodes.c (get_insn_name): Likewise.
21253 * genconfig.c (get_insn_name): Likewise.
21254 * genemit.c (get_insn_name): Likewise.
21255 * genextract.c (get_insn_name): Likewise.
21256 * genflags.c (get_insn_name): Likewise.
21257 * genopinit.c (get_insn_name): Likewise.
21258 * genpeep.c (get_insn_name): Likewise.
21260 * gencheck.c (usage): Add static prototype.
21261 * genextract.c (print_path): Constify a char*.
21262 * genopinit.c (optabs): Likewise.
21263 * genoutput.c (operand_data, data, output_predicate_decls,
21264 compare_operands): Likewise.
21265 * genrecog.c (write_tree): Add default case in switch.
21267 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21269 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
21271 * print-rtl.c (get_insn_name): Remove prototype.
21273 * toplev.h (progname): Declare const.
21275 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
21276 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
21277 dump_sched_info, dump_local_alloc, regset_release_memory,
21278 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
21279 error_with_file_and_line, error_with_decl, error_for_asm, error,
21280 fatal, warning_with_file_and_line, warning_with_decl, warning,
21281 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
21282 Remove redundant prototypes.
21284 (notice, check_lang_option, report_file_and_line, vnotice,
21285 mark_file_stack): Add static prototype.
21286 (set_fatal_function): Add prototype.
21287 (vnotice, report_file_and_line, set_fatal_function,
21288 check_lang_option): Constify a char*.
21289 (main): Prototype. Call return, not exit.
21291 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21293 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
21295 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
21297 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
21299 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
21301 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21303 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
21304 behave as if it's zero in all cases.
21305 (expand_function_start): Adjust call to assign_parms.
21306 * tree.h (assign_parms): Adjust prototype.
21307 * objc/objc-act.c (hack_method_prototype): Adjust call to
21310 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
21312 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
21313 arg_pointer_rtx fixed if the argument pointer register is
21315 (NONZERO_BASE_PLUS_P): Likewise.
21317 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
21319 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
21320 match_insn2 to match_insn.
21321 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
21323 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
21325 * Makefile.in (USER_H): Remove va-foo.h.
21327 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
21328 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
21329 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
21330 va-spur.h,va-v850.h}: Remove.
21332 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
21334 * sparc/sparc.md (eligible_for_return_delay): New attribute.
21335 (in_return_delay): Use it instead of match_insn.
21337 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21339 * config/alpha/va_list.h (va-alpha.h): Do not include.
21340 (__gnuc_va_list): Typedef as in varargs.h.
21342 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
21344 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
21345 DECL_LIVE_RANGE_RTL.
21347 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
21349 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
21350 not NOTE_BLOCK_NUMBER.
21351 (expand_eh_region_end): Likewise.
21352 (find_exception_handler_labels): Likewise.
21353 (scan_region): Likewise.
21354 (exception_optimize): Likewise.
21355 (update_rethrow_references): Likewise.
21356 (set_insn_eh_region): Likewise.
21357 * final.c (final_scan_insn): Likewise.
21358 * flow.c (make_edges): Likewise.
21359 * integrate.c (expand_inline_function): Likewise.
21360 * print-rtl.c (print_rtx): Likewise.
21362 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
21364 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
21365 terms of builtin functions and types.
21367 * mips.c (mips_build_va_list): New.
21368 (mips_va_start, mips_va_arg): New.
21369 * mips.h (BUILD_VA_LIST_TYPE): New.
21370 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21372 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
21373 (sh_build_va_list, sh_va_start, sh_va_arg): New.
21374 * sh.h (BUILD_VA_LIST_TYPE): New.
21375 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
21377 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
21379 * recog.h (struct recog_data): Make dup_num, operand_address_p,
21380 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
21381 (struct insn_data): Likewise with n_operands, n_dups,
21382 n_alternatives, output_format.
21383 * regclass.c (scan_one_insn): Cast n_operands to int before
21384 arithmetic inside comparison.
21386 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
21388 * toplev.c (compile_function): Unconditionally emit nop.
21390 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21392 * haifa-sched.c (actual_hazard): Move declaration of variable
21393 `this_cost' into the scope where it is used.
21395 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21397 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
21398 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
21399 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
21401 * genrecog.c (make_insn_sequence): Call memset, not bzero.
21403 * jump.c (find_insert_position): Don't declare or define unless
21404 !HAVE_conditional_arithmetic.
21405 (returnjump_p_1, delete_prior_computation): Add static prototypes.
21407 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
21409 * recog.c (offsettable_address_p): Prototype function pointer.
21410 (preprocess_constraints): Call memset, not bzero.
21412 * tree.c (tree_node_kind_names): Constify a char*. Make static.
21413 (gcc_obstack_init): Don't declare.
21414 (fix_sizetype): Add static prototype.
21415 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
21416 (tree_cons): Call memset, not bzero.
21418 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
21419 definition in macro ASM_WEAKEN_LABEL.
21420 (mark_const_hash_entry): Add static prototype.
21422 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21424 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
21426 * unroll.c (find_common_reg_term, subtract_reg_term,
21427 loop_find_equiv_value): Add static prototypes.
21428 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
21429 (copy_loop_body): Remove unreachable break statement.
21431 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
21433 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
21435 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21437 Undo some changes from the gcc2 merge:
21438 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
21439 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
21443 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
21444 * emit-rtl.c (gen_lowpart_common): Disable optimization of
21445 initialized float-int union if the value is a NaN.
21447 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
21449 * gthr-win32.h: New file.
21451 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
21452 shared as a valid attribute.
21453 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
21454 * extend.texi: Document `shared' variable attribute.
21456 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
21458 * configure.in: Handle --enable-threads on FreeBSD.
21459 * configure: Rebuit.
21461 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21463 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
21465 * configure: Rebuilt.
21467 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
21468 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
21469 Rosimildo DaSilva <rdasilva@connecttel.com>
21471 * configure.in (m68k-*-rtemscoff*): Added.
21472 * configure.in (mips64orion-*-rtems*): Converted to ELF.
21473 * configure.in (sparc-*-rtemsaout*): Added as alias for old
21474 sparc-rtems configuration.
21475 * configure.in (sparc-*-rtemself*): Added.
21476 * configure.in (sparc-*-rtems*): Now ELF not a.out.
21477 * config/i386/rtems.h: Added comment.
21478 * config/sparc/rtemself.h: New file.
21480 * configure.in (m68k-rtemself): Added.
21481 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
21482 and DWARF_DEBUGGING_INFO.
21483 * config/m68k/crti.s: New file.
21484 * config/m68k/crtn.s: New file.
21485 * config/m68k/t-crtstuff: New file.
21486 * config/m68k/rtemself.h: New file.
21488 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
21489 global ctor/dtor and C++ exception handling.
21490 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
21491 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
21493 * config/i386/t-rtems-i386: New File.
21495 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
21497 * stmt.c (expand_end_case): Return right away if the case stack is
21500 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
21502 * Makefile.in (version.c): Remove rule incorrectly brought in from
21505 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
21507 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
21508 * msdos/top.sed: Take into account a prepended $(SHELL) to
21510 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
21512 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
21514 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21516 * regmove.c (fixup_match_1): Don't change an unchanging register.
21517 (stable_but_for_p): Renamed to:
21518 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
21519 Changed all callers.
21521 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
21523 * loop.c (strength_reduce): Don't call reg_used_between_p if the
21524 insn from BL2 is after the insn from BL.
21526 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
21528 * recog.h (INSN_OUTPUT_FORMAT_*): New.
21529 (struct insn_data): Merge `template' and `outfun' into `output'.
21530 Add `output_format'.
21531 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
21532 (struct data): Remove `outfun'; add `output_format'.
21533 (name_for_index): Remove declaration.
21534 (output_insn_data): Handle output formats.
21535 (process_template): Emit the bare array for @.
21536 (gen_expand, gen_split): Set output_format to NONE.
21537 * output.h (get_insn_template): Declare.
21538 * final.c (get_insn_template): New.
21539 (final_scan_insn): Use it.
21540 * toplev.c (compile_file): Likewise.
21542 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21543 * i860/i860.c (output_delayed_branch): Likewise.
21544 (output_delay_insn): Likewise.
21546 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21548 * rtl.c (obstack_alloc_rtx): Removed.
21550 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
21552 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
21554 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
21556 * i386.c (call_insn_operand): Reject const_int.
21557 (expander_call_insn_operand): Use call_insn_operand.
21559 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21561 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
21563 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
21565 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
21566 Use DImode operation.
21568 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
21570 * gcc.c: Include sys/resource.h.
21571 (report_times): New flag.
21572 (execute): If report_times is set, calculate and report the
21573 CPU time consumed by each subprocess.
21575 (rus, prus): New globals.
21576 (option_map): Add --time.
21577 (display_help): Document -time.
21578 (process_command): Set report_times if -time is given.
21579 Turn off -pipe if -time is given.
21581 * invoke.texi: Document new option -time.
21583 * configure.in: Check for getrusage. Check if we have to
21584 prototype getrusage.
21585 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
21586 * configure: Regenerate.
21587 * config.in: Regenerate.
21589 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
21591 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
21594 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
21596 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
21597 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
21598 (nan): Return _thenan_sf or _thenan_df as appropriate.
21599 (L_thenan_sf): Define _thenan_sf.
21600 (L_thenan_df): Define _thenan_df.
21602 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
21603 (DPBIT_FUNCS): Add _thenan_df.
21605 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
21607 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
21610 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21612 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
21615 (lang_specific_driver): Don't take a function pointer parameter.
21616 All callers changed.
21618 * gcc.c: Include gcc.h.
21619 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
21620 lang_specific_extra_outfiles, fatal): Don't declare.
21621 (multilib_defaults_raw): Constify.
21622 (read_specs): Call memset, rather than bzero.
21623 (main): Call return, not exit.
21624 (lookup_compiler): Call memcpy, not bcopy.
21625 (fatal): Make extern.
21627 * cppspec.c: Include gcc.h.
21628 (lang_specific_driver): Initialize variable `quote'. Constify a
21629 char*. All calls to the function pointer parameter now
21630 explicitly call `fatal'.
21632 * gccspec.c (lang_specific_driver): Include gcc.h.
21634 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
21636 * arm.c (note_invalid_constants): Use recog_data.operand_type
21639 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21641 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
21644 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
21645 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21646 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21647 reload_secondary_in_reload, reload_secondary_out_reload,
21648 reload_secondary_in_icode, reload_secondary_out_icode,
21649 reload_reg_rtx, reload_when_needed): Delete declarations.
21650 (struct reload): New structure.
21651 (rld): Declare new array.
21652 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
21653 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
21654 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
21655 reload_secondary_in_reload, reload_secondary_out_reload,
21656 reload_secondary_in_icode, reload_secondary_out_icode,
21657 reload_reg_rtx, reload_when_needed): Delete definitions.
21659 (whole file): Replace uses of the deleted arrays with uses of rld.
21660 * reload1.c (whole file): Replace uses of the deleted arrays with
21662 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
21663 explicit loops, not with bcopy.
21665 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
21667 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
21668 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
21669 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
21670 insn_name): Delete and consolidate into new structures.
21671 (insn_operand_predicate_fn): New.
21672 (insn_output_fn): New.
21673 (insn_gen_fn): New.
21674 (struct insn_operand_data): New.
21675 (struct insn_data): New.
21677 (OUT_FCN): Update for insn_data change.
21678 * builtins.c (expand_builtin_strlen): Likewise.
21679 (expand_builtin_memcmp): Likewise.
21680 * combine.c (make_extraction, simplify_comparison): Likewise.
21681 * cse.c (canon_reg, cse_insn): Likewise.
21682 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
21683 * expmed.c (store_bit_field, extract_bit_field): Likewise.
21684 (emit_store_flag): Likewise.
21685 * expr.c (convert_move, emit_block_move): Likewise.
21686 (clear_storage, emit_push_insn, expand_increment): Likewise.
21687 (do_store_flag): Likewise.
21688 * expr.h (GEN_FCN): Likewise.
21689 (insn_gen_function): Die.
21690 * final.c (final_scan_insn): Update for insn_data change.
21691 (output_asm_name): Likewise.
21692 * function.c (fixup_var_refs_1): Likewise.
21693 * loop.c (check_dbra_loop): Likewise.
21694 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
21695 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
21696 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
21697 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
21698 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
21699 * regmove.c (gen_add3_insn): Likewise.
21700 * reload.c (push_secondary_reload, combine_reloads): Likewise.
21701 (find_reloads, find_reloads_address_1): Likewise.
21702 (debug_reload_to_stream): Likewise.
21703 * reload1.c (emit_reload_insns, gen_reload): Likewise.
21704 * stmt.c (expand_end_case): Likewise.
21705 * toplev.c (compile_file): Likewise.
21707 * c4x/c4x.c (c4x_process_after_reload): Likewise.
21708 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21710 * print-rtl.c (insn_name_ptr): Remove declaration.
21711 (get_insn_name): Declare.
21712 (print_rtx): Use it.
21713 * genoutput.c (insn_name_ptr): Remove.
21714 (next_operand_number): New.
21715 (struct operand_data): New.
21716 (null_operand, odata, odata_end): New.
21717 (struct data): Use struct operand_data.
21718 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
21719 (get_insn_name): Renamed from name_for_index.
21720 (output_prologue): Define NO_MD_PROTOTYPES.
21721 (output_predicate_decls): Break out from output_epilogue.
21722 Iterate over the operands list.
21723 (output_operand_data): Break out from output_epilogue. Emit
21724 just the operands list.
21725 (output_insn_data): Break out from output_epilogue. Emit just
21727 (output_epilogue): Remove.
21728 (output_get_insn_name): New.
21729 (constraints, op_n_alternatives, predicates, address_p): Die.
21730 (modes, strict_low, seen): Die.
21731 (scan_operands): Take new param `d' instead of writing to
21732 seven global variables.
21733 (compare_operands): New.
21734 (place_operands): New.
21735 (validate_insn_alternatives): Update for struct data change.
21736 (gen_insn): Don't zero or copy 7 global arrays. Update for
21737 scan_operands; call place_operands.
21738 (gen_peephole, gen_expand, gen_split): Likewise.
21739 (main): Update for new output routines.
21741 * genattr.c (insn_name_ptr): Remove.
21742 (get_insn_name): New function.
21743 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
21744 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
21745 * genrecog.c: Likewise.
21747 * alpha.md (adddi3): Make `pattern' array static.
21749 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21751 * config/c4x/c4x.h (c4x_rpts_cycles_string,
21752 c4x_cpu_version_string): Constify char *.
21753 * config/c4x/c4x.c (c4x_rpts_cycles_string,
21754 c4x_cpu_version_string): Likewise.
21756 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
21758 * tree.c (save_tree_status): Revert 10 Sep change.
21759 (restore_tree_status): Likewise. Call obstack_free with NULL
21760 before freeing the obstack proper.
21762 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
21764 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
21766 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
21767 surrounding context.
21769 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
21771 * tree.c (type_hash_canon): Put all types in the hash-table, when
21774 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
21776 * recog.h (struct recog_data, recog_data): New.
21777 (recog_foo variables): Kill.
21778 * recog.c (recog_operand, recog_operand_loc): Kill.
21779 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
21780 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
21781 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
21782 (recog_data): Define.
21783 (extract_insn): Update all recog_foo references to use recog_data.
21784 (preprocess_constraints, constrain_operands): Likewise.
21785 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
21786 * genattrtab.c (main): Likewise.
21787 * genextract.c (main): Likewise.
21788 * genoutput.c: Likewise.
21789 * genrecog.c (write_subroutine, main): Likewise.
21790 * local-alloc.c (block_alloc): Likewise.
21791 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
21792 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
21793 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
21794 * reload.c (find_reloads, find_reloads_toplev): Likewise.
21795 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
21796 (reload_cse_simplify_operands): Likewise.
21798 * arc/arc.c (arc_final_prescan_insn): Likewise.
21799 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
21800 * h8300/h8300.c (notice_update_cc): Likewise.
21801 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
21802 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
21803 * mn10200/mn10200.c (notice_update_cc): Likewise.
21804 * mn10300/mn10300.c (notice_update_cc): Likewise.
21805 * romp/romp.c (update_cc): Likewise.
21806 * sparc/sparc.c (check_pic): Likewise.
21807 * v850/v850.c (notice_update_cc): Likewise.
21809 * genemit.c (main): Don't declare recog_operand.
21811 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
21813 * ggc.h (rtvec_def): Forward declare.
21814 (tree_node): Likewise.
21815 (ggc_root): Define.
21817 (ggc_set_mark_rtx): Add prototype.
21818 (ggc_set_mark_rtvec): Likewise.
21819 (ggc_set_mark_tree): Likewise.
21820 * ggc-simple.c (ggc_root): Don't define.
21821 (roots): Don't declare.
21822 (ggc_mark_rtx): Remove.
21823 (ggc_mark_rtvec): Likewise.
21824 (ggc_mark_tree): Likewise.
21825 (ggc_mark_varray): Likewise.
21826 (ggc_mark_tree_hash_table_entry): Likewise.
21827 (ggc_mark_tree_hash_table): Likewise.
21828 (ggc_set_mart_rtx): New function.
21829 (ggc_set_mark_rtvec): Likewise.
21830 (ggc_set_mark_tree): Likewise.
21831 (ggc_add_root): Remove.
21832 (ggc_add_rtx_root): Likewise.
21833 (ggc_remove_tree_root): Likewise.
21834 (ggc_add_string_root): Likewise.
21835 (ggc_add_tree_varray_root): Likewise.
21836 (ggc_add_tree_hash_table_root): Likewise.
21837 (ggc_del_root): Likewise.
21838 (ggc_mark_rtx_ptr): Likewise.
21839 (ggc_mark_tree_ptr): Likewise.
21840 (ggc_mark_string_ptr): Likewise.
21841 (ggc_mark_tree_varray_ptr): Likewise.
21842 (ggc_mark_tree_hash_table_ptr): Likewise.
21843 * ggc-common.c: New file.
21844 * Makefile.in (OBJS): Add ggc-common.o.
21845 (ggc-common.o): List dependencies.
21847 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
21849 * cppalloc.c (xstrdup): Use memcpy.
21850 * cpperror.c (cpp_print_containing_files): Don't use
21852 * cpplib.c (conditional_skip): Set temp->lineno.
21853 (do_endif): Make error message less obscure.
21854 (if_directive_name): New function.
21855 (cpp_get_token [case EOF]): Unwind the if stack and generate
21856 error messages for each unterminated conditional in this file.
21857 (parse_string): Do not behave differently if -traditional.
21859 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
21861 * builtins.c (expand_builtin_va_arg): Cope with an array-type
21862 va_list decomposing to pointer-type.
21863 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
21864 (rs6000_va_arg): Likewise.
21866 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
21868 * except.c (start_dynamic_handler): Compute size using
21869 STACK_SAVEAREA_MODE.
21871 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21873 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
21874 include directory headers. Don't define strrchr. Don't provide
21875 my_* replacement functions. Prefer PTR over `pointer_type'.
21876 Don't prototype system functions. Don't redefine getopt.
21878 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
21879 safe_read, safe_write, save_pointers, restore_pointers,
21880 is_id_char, in_system_include_dir, directory_specified_p,
21881 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
21882 find_corresponding_lparen, referenced_file_is_newer,
21883 save_def_or_dec, munge_compile_params, gen_aux_info_file,
21884 process_aux_info_file, identify_lineno, check_source,
21885 seek_to_line, forward_to_next_token_char, output_bytes,
21886 output_string, output_up_to, other_variable_style_function,
21887 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
21888 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
21889 find_static_definition, connect_defs_and_decs, add_local_decl,
21890 add_global_decls, needs_to_be_converted, visit_each_hash_node,
21891 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
21892 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
21893 scan_for_missed_items, edit_file, string_list_cons): Add static
21895 (standard_exec_prefix, target_machine, target_version,
21896 default_syscalls_dir, string_list, string_list_cons, find_file,
21897 do_cleaning): Constify a char*.
21898 (safe_read, safe_write): Use PTR, not a char*.
21899 (is_id_char): Take an int, not a char.
21900 (main): Add prototype. Call return, not exit.
21902 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
21904 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
21905 when comparing types.
21907 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
21909 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
21910 (strength_reduce): Release the varrays from the no-bivs early exit.
21912 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
21913 the loop over the registers.
21915 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
21917 (restore_tree_status): Check that instead when freeing the obstack.
21919 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
21921 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
21924 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21926 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
21927 operand size modifiers.
21929 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21931 * c-common.c (c_common_nodes_and_builtins): Don't build
21933 * c-common.h (enum c_tree_index and related accesor macros): Remove
21934 everything now declared in tree.h.
21935 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21936 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
21937 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
21938 (error_mark_node, void_type_node, char_type_node, integer_type_node,
21939 unsigned_type_node, ptr_type_node, va_list_type_node,
21940 integer_zero_node, null_pointer_node, integer_one_node): Delete.
21941 (init_decl_processing): Call build_common_tree_nodes and
21942 build_common_tree_nodes_2 instead of building their nodes here.
21943 Don't add roots for these nodes.
21944 * stor-layout.c (size_zero_node, size_one_node): Delete.
21945 (set_sizetype): Make a new node for bitsizetype each time.
21946 * tree.c (global_trees): New variable.
21947 (init_obstacks): Add a gc root for it.
21948 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
21949 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
21950 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
21951 (build_common_tree_nodes): New function.
21952 (fix_sizetype): New function.
21953 (build_common_tree_nodes_2): New function.
21954 * tree.h (enum tree_index): New.
21955 (global_trees): Declare.
21956 Add accessor macros for all nodes now moved to global_trees.
21957 Delete their declarations.
21959 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
21961 * c-decl.c (finish_function): When processing a nested function,
21962 push and pop GC context around rest_of_compilation.
21964 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
21966 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
21967 Default ix86_arch to PROCESSOR_I386.
21968 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
21969 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
21970 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
21971 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
21972 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
21973 (EXTRA_SPECS): Remove deleted specs.
21975 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
21977 * function.c (assign_stack_local_1): Allocate from
21978 function->x_frame_offset, not frame_offset.
21980 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
21982 * ggc.h (lang_cleanup_tree): Remove.
21983 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
21984 * ggc-callbacks.c (lang_cleanup_tree): Remove.
21986 * c-decl.c (finish_struct): Use ggc_alloc to allocate
21987 TYPE_LANG_SPECIFIC when garbage collecting.
21988 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
21989 (lang_cleanup_tree): Remove.
21991 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21993 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
21994 * crtstuff.c: Not here.
21995 * dwarf2out.c: Or here.
21996 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
21999 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22001 * function.h (free_after_compilation): Remove decl parameter.
22002 (free_varasm_status0: Likewise.
22003 (free_emit_status): Likewise.
22004 (free_stmt_status): Likewise.
22005 (free_after_compilation): Likewise.
22006 (init_lang_status): New variable.
22007 (free_lang_status): Likewise.
22008 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
22009 * function.c (init_lang_status): New variable.
22010 (free_lang_status): Likewise.
22011 (push_function_context_to): Don't set function::decl here.
22012 (free_after_copmilation): Make decl parameter implicit. Call
22013 free_lang_status if defined.
22014 (prepare_function_start): Call init_lang_status if defined.
22015 (init_function_start): Set function::decl here.
22016 * profile.c (output_func_start_profiler): Don't call pushdecl
22017 until we've actually started the function.
22018 * stmt.c (free_stmt_status): Make decl parameter implicit.
22019 * toplev.c (rest_of_compilation): Don't pass decl to
22020 free_after_compilation.
22021 * varasm.c (free_varasm_status): Likewise.
22023 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22025 * except.c (call_get_eh_context): Add root when allocating static
22028 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
22030 * arm.c: Include "ggc.h".
22031 (arm_add_gc_roots): New function.
22032 (arm_override_options): Call it.
22033 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
22035 * arm.md (define_asm_attributes): Add a pool_range attribute.
22037 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
22039 * extend.texi (Volatiles): New node.
22041 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
22043 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
22044 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
22045 (struct ggc_any): Replace `mark' with `magic_mark'.
22046 (ggc_alloc_string): Use memcpy, not bcopy.
22047 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
22048 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
22049 (ggc_free_any): New.
22050 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
22051 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
22052 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
22053 Use IS_MARKED. Use ggc_free_any.
22055 1999-09-09 Scott Bambrough <scottb@netwinder.org>
22057 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
22059 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
22061 * toplev.c (main): Always init_ggc.
22063 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
22065 * except.c (find_all_handler_type_matches): Free the list if
22066 we found no matches.
22068 * combine.c (SUBST): Break out to a real function do_SUBST.
22069 (SUBST_INT): Likewise.
22070 * gcse.c (free_pre_mem): Free `temp_bitmap'.
22071 (pre_insert): Free `inserted'.
22072 * loop.c (basic_induction_var): Always set `location'.
22074 * function.c (expand_function_end): Add initial_trampoline as a root.
22075 * rtl.h (init_varasm_once): Declare.
22076 * toplev.c (compile_file): Call it.
22077 * ggc-simple.c (ggc_mark_string_ptr): New.
22078 (ggc_add_string_root): New.
22079 (ggc_collect): Disable collection avoidance temporarily.
22080 * ggc.h (ggc_add_string_root): Declare.
22081 * except.c (create_rethrow_ref): Use ggc_alloc_string.
22082 * optabs.c (init_libfuncs): Likewise.
22083 * varasm.c (named_section): Use ggc_alloc_string.
22084 (make_function_rtl): Likewise.
22085 (make_decl_rtl): Likewise.
22086 (assemble_static_space): Likewise.
22087 (assemble_trampoline_template): Likewise.
22088 (output_constant_def): Likewise.
22089 (force_const_mem): Likewise.
22090 (mark_const_hash_entry): New.
22091 (mark_pool_sym_hash_table): New.
22092 (mark_varasm_state): Use it.
22093 (init_varasm_once): New.
22095 * expr.h (init_one_libfunc): Declare.
22096 * optabs.c (init_one_libfunc): New.
22097 (init_optabs): Use it.
22098 * config/gofast.h: Likewise.
22099 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
22100 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
22102 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
22104 * Makefile.in (cppexp.o): Depend on cpphash.h.
22105 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
22107 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
22108 * cpplib.c (do_define): Generalise to handle poisoned definitions,
22109 redefining poisoned identifiers, etc.
22110 (do_undef): Don't allow poisoned identifiers to be undefined.
22111 (do_pragma): Add #pragma poison.
22112 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22114 * cccp.c: Add T_POISON node type.
22115 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
22117 (do_define): Generalise to handle poisoned definitions,
22118 redefining poisoned identifiers, etc.
22119 (do_undef): Don't allow poisoned identifiers to be undefined.
22120 (do_pragma): Add #pragma poison.
22121 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
22123 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
22124 * c-pragma.h: Add ps_poison state. We now always have generic
22127 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
22129 * ggc.h (ggc_alloc): New function.
22130 (ggc_mark): Likewise.
22131 * ggc-simple.c (ggc_any): New structure.
22132 (ggc_status): Add anys.
22133 (n_anys_collected): New variable.
22134 (ggc_alloc): Define.
22135 (ggc_mark): Likewise.
22136 (ggc_collect): Collect the anys.
22138 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22140 * c-decl.c (mark_binding_level): Make static to match prototype.
22142 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
22144 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
22146 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
22148 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
22149 will use into account. Expand the max width to 5.
22152 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
22154 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
22155 for the rtx length.
22157 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
22159 * alpha.md (call value patterns): Remove the result predicates.
22161 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
22163 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
22166 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22168 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
22169 changed from extern char *, to extern PTR. Also fix typo in
22170 NEED_DECLARATION_REALLOC test.
22172 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
22174 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22176 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
22177 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
22178 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
22179 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
22181 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
22183 * cccp.c (pcfinclude): Likewise.
22185 * global.c (allocno_compare): Likewise.
22187 * haifa-sched.c (rank_for_schedule): Likewise.
22189 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
22191 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
22193 * stupid.c (stupid_reg_compare): Likewise.
22195 * tree.c (_obstack_allocated_p): Likewise.
22197 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
22199 1999-09-08 Bruce Korb autogen@linuxbox.com
22201 * Makefile.in: Give the hapless gperf user a hint about
22202 why "gperf -F" fails.
22204 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
22206 * lists.c: Include ggc.h.
22208 (init_EXPR_INSN_LIST_cache): Install it.
22210 * ggc-simple.c (init_ggc): Absorb the old init.
22211 (ggc_push_context): Use xcalloc.
22212 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
22213 (ggc_collect): Add [rvts] tags to the collection stats.
22215 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
22217 * cccp.c (main): Fix handling of -include and -imacros options.
22219 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
22221 * cpplib.c (cpp_push_buffer): Fix order of arguments.
22223 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22225 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
22228 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
22230 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
22231 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
22232 and SET_DEST. Update comment.
22234 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22236 * config/c4x/c4x.c: Include ggc.h.
22237 (c4x_add_gc_roots): New function.
22238 (c4x_override_options): Call c4x_add_gc_roots.
22240 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
22242 * defaults.h (TARGET_ESC): Move ...
22243 * system.h: ... here, where Linas had it in the first place. Silly me.
22245 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
22247 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
22248 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
22249 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
22250 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
22251 * defaults.h (TARGET_ESC): Add default.
22253 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
22255 * configure.in: add i370-*-openedition, i370-*-mvs and
22256 i370-*-linux targets
22258 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
22260 * dsp16xxx.c: Include ggc.h
22261 (override_options): Mark GC roots.
22262 * mn10200.c: Include ggc.h.
22263 (asm_file_start): Mark GC roots.
22264 * tahoe.c: Include ggc.h.
22265 (extensible_operand): Mark GC roots.
22267 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
22269 * README: Add section discussing status of ELF ABI.
22270 * i370.c: Fix misc spelling mistakes.
22271 (i370_label_scan): Updated notes, exception handling.
22272 (i370_function_prolog): Simplify ELF stack handling.
22273 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
22274 (STACK_GROWS_DOWNWARD): ELF stack grows down.
22275 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
22276 * i370.md: (movdi): Add notes.
22277 (floatsidf2): Use stack not rtca for scratch float area.
22278 (iorsi3): Correct operand constraints.
22279 * x-oe: Restore TAROUTOPTS which are used by pax.
22281 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
22283 * rs6000.c: Include ggc.h.
22284 (rs6000_add_gc_roots): New function.
22285 (override_options): Call it.
22287 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
22289 * alpha.h (alpha_compare): New.
22290 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
22291 * alpha.c: Likewise for the definitions.
22292 (alpha_emit_conditional_branch): Update for alpha_compare.
22293 (alpha_emit_conditional_move): Likewise.
22294 * alpha.md (cmpdf, cmpdi): Likewise.
22295 (setcc patterns): Likewise. Zero alpha_compare after use.
22296 (sne): Optimize (x != 0) into (0U < x).
22298 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
22300 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
22301 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
22302 (INIT_EXPANDERS): Remove.
22303 * alpha.c: Include ggc.h.
22304 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
22305 (alpha_init_machine_status, alpha_mark_machine_status): New.
22306 (override_options): Install them.
22307 (struct machine_function): Moved to alpha.h.
22308 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
22309 (alpha_init_expanders): Remove.
22310 (alpha_return_addr): Adjust to use current_function->machine.
22311 (alpha_ra_ever_killed): Likewise.
22312 (alpha_expand_epilogue): Likewise.
22313 * alpha.md (eh_epilogue): Likewise.
22315 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
22316 Melissa O'Neill <oneill@cs.sfu.ca>
22317 Geoffrey Keating <geoffk@cygnus.com>
22319 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
22320 call-used registers (call-saved registers must still be contiguous
22321 and end with r31, of course).
22323 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
22325 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
22326 (self_promoting_type_p): Delete.
22327 (self_promoting_args_p): Move ...
22328 * c-common.c: ... here.
22329 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
22330 (simple_type_promotes_to): New.
22331 * builtins.c (lang_type_promotes_to): New.
22332 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
22333 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
22334 * c-common.h: ... here.
22335 (self_promoting_args_p, simple_type_promotes_to): Declare.
22336 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
22337 (grokdeclarator): Likewise.
22338 * tree.h (lang_type_promotes_to): Declare.
22340 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
22342 Add some machine-dependent GC roots.
22343 * sparc.c: Include ggc.h.
22344 (sparc_add_gc_roots): New function.
22345 (mark_ultrasparc_pipeline_state): Likewise.
22346 (override_options): Call sparc_add_gc_roots.
22347 * pa.c: Include ggc.h.
22348 (pa_add_gc_roots): New function.
22349 (mark_deferred_plabels): Likewise.
22350 (override_options): Call pa_add_gc_roots.
22351 * mips.c: Include ggc.h.
22352 (mips_add_gc_roots): New function.
22353 (override_options): Use it.
22355 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22357 * cpperror.c (cpp_file_line_for_message): Constify a char*.
22359 * cppexp.c (parse_number, parse_charconst, cpp_lex,
22360 cpp_parse_expr): Add static prototypes.
22361 (parse_charconst): Don't cast away const-ness.
22362 (token): Constify a char*.
22364 * cppfiles.c (file_name_list, include_hash, find_include_file,
22365 finclude, initialize_input_buffer): Constify a char*.
22366 (file_cleanup, find_position): Add static prototypes.
22368 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
22369 collect_expansion): Add static prototypes.
22370 (cpp_install, create_definition, monthnames): Constify a char*.
22372 * cpphash.h (cpp_install): Likewise.
22374 * cppinit.c (known_suffixes, default_include,
22375 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
22376 (base_name, dump_special_to_buffer, initialize_dependency_output):
22377 Add static prototypes.
22379 * cpplib.c (my_strerror): Constify a char*.
22380 (null_underflow, null_cleanup, skip_comment, copy_comment,
22381 copy_rest_of_line, handle_directive, pass_thru_directive,
22382 get_directive_token, read_line_number, cpp_print_file_and_line,
22383 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
22384 v_cpp_warning_with_line, detect_if_not_defined,
22385 consider_directive_while_skipping): Add static prototypes.
22386 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
22387 cpp_pedwarn_with_file_and_line): Constify a char*.
22389 * cpplib.h (cpp_options, include_hash, progname, definition,
22390 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
22391 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
22392 find_include_file, deps_output, include_hash): Constify a char*.
22394 * cppmain.c (progname): Constify.
22395 (main): Add prototype. Use return, not exit.
22397 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
22398 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
22399 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
22400 check_protection): Add static prototype.
22402 (progname, recognized_macrom, recognized_extern): Constify a char*.
22403 (main): Add prototype.
22405 * gen-protos.c (progname): Constify a char*.
22407 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
22409 * emit-rtl.c (free_emit_status): Take decl as a parameter.
22410 (init_emit_once): Add more GC roots.
22411 * except.c (mark_func_eh_entry): New function.
22412 (mark_eh_node): Mark false_label and rethrow_label.
22413 (init_eh): Add more GC roots.
22414 * function.c (free_after_compilation): Take decl as a paramter.
22415 Call free_stmt_status.
22416 (mark_function_state): Don't assume x_parm_reg_stack_loc is
22418 * function.h (free_after_compilation): Change prototype.
22419 (free_varasm_status): Likewise.
22420 (free_emit_status): Likewise.
22421 (free_stmt_status): New function.
22422 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
22423 Remove, replacing with ...
22424 (ggc_status): New structure.
22425 (ggc_chain): New variable.
22426 (init_gcc): Define.
22427 (ggc_push_context): New function.
22428 (ggc_pop_context): Likewise.
22429 (ggc_alloc_rtx): Adjust for use of ggc_chain.
22430 (ggc_alloc_rtvec): Likewise.
22431 (ggc_alloc_tree): Likewise.
22432 (ggc_alloc_string): Likewise.
22433 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
22434 (ggc_mark_tree): Give language-dependent code a chance to mark
22436 (ggc_mark_tree_varray): Handle empty arrays.
22437 (ggc_collect): Adjust for use of ggc_chain. Clear
22438 bytes_alloced_since_last_gc.
22439 * ggc.h (ggc_pop_context): New function.
22440 (ggc_push_context): Likewise.
22441 * print-tree.c (print_node): Don't print obstacks when GC'ing.
22442 * stmt.c (free_stmt_status): New function.
22443 (init_stmt_for_function): Clear last_expr_value.
22444 * toplev.c (rest_of_compilation): Always call free_after_compilation.
22445 Conditionalize call to ggc_collect.
22446 (main): Call init_ggc.
22447 * tree.c (push_obstacks): Do the push, even when GC'ing.
22448 (push_obstacks_nochange): Likewise.
22449 (pop_obstacks): Liekwise.
22450 * varasm.c (free_varasm_status): Take decl as a parameter.
22452 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
22454 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
22455 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
22456 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
22457 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
22459 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
22461 * pa/x-pa-mpeix: New file for the MPE port.
22463 * pa/quadlib.asm: New file for long double support.
22465 * configure.in: Add hppa1.0-*-mpeix for MPE port.
22466 * configure: Rebuilt.
22468 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
22470 * final.c (shorten_branches): Fix last change.
22472 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
22474 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
22476 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
22478 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
22481 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22483 * c-aux-info.c (concat): Don't define.
22485 * cccp.c (my_strerror): Likewise. All callers changed to use
22487 (do_include): Call xstrdup, not xmalloc/strcpy.
22488 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
22489 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
22491 * collect2.c (my_strsignal): Likewise. All callers changed to use
22493 (locatelib): Call xstrdup, not xmalloc/strcpy.
22495 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
22497 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
22499 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
22501 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
22503 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
22505 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
22507 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
22509 (find_all_handler_type_matches): Likewise. Don't check return
22511 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
22512 xmalloc, not malloc.
22513 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
22515 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
22516 (init_spec): Call xcalloc, not xmalloc/bzero.
22517 (set_spec): Call xstrdup, not save_string.
22518 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
22519 (find_a_file): Call xstrdup, not xmalloc/strcpy.
22520 (process_command): Call xstrdup, not save_string.
22521 (main): Call xcalloc, not xmalloc/bzero.
22523 * gcov.c (xmalloc): Don't define.
22524 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
22525 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
22526 (output_data): Call xcalloc, not xmalloc/bzero.
22528 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
22530 * mips-tdump.c (xmalloc): Don't define.
22531 (print_symbol): Call xmalloc, not malloc.
22532 (read_tfile): Call xcalloc, not calloc.
22534 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
22535 Don't define. All callers of xfree/my_strsignal changed to use
22536 free/strsignal instead.
22537 (allocate_cluster): Call xcalloc, not calloc.
22539 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
22540 Fix memory leak, free allocated memory.
22542 * prefix.c (translate_name): Call xstrdup, not save_string.
22543 (update_path): Likewise.
22545 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
22547 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
22548 Don't define. Callers of xfree/savestring2 changed to use
22549 free/concat instead.
22551 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
22552 (init_elim_table): Likewise.
22554 * resource.c (init_resource_info): Likewise.
22556 * stupid.c (stupid_life_analysis): Likewise.
22558 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
22559 (open_dump_file): Call concat, not xmalloc/strcpy/...
22560 (clean_dump_file): Likewise.
22561 (compile_file): Call xstrdup, not xmalloc/strcpy.
22563 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
22565 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
22566 * v850.c (v850_va_arg): New.
22568 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22570 * haifa-sched.c: Tidy comments.
22572 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22574 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
22575 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
22576 $(out_object_file)): Depend on ggc.h.
22577 * c-common.c: Include "ggc.h".
22578 (combine_strings): If doing GC, use ggc_alloc_string.
22579 * c-decl.c: Include "ggc.h".
22580 (ggc_p): Define with value 0.
22581 (mark_binding_level): New function.
22582 (init_decl_processing): Add GC roots.
22583 (mark_c_function_context): New function.
22584 (lang_mark_false_label_stack): New function.
22585 (lang_mark_tree): New function.
22586 (lang_cleanup_tree): New function.
22587 * c-lang.c: Include "ggc.h".
22588 (lang_init): Call c_parse_init.
22589 * c-lex.c: Include "ggc.h".
22590 (check_linenum): If doing GC, don't copy filenames to permanent
22592 * c-parse.in: Include "ggc.h".
22593 (c_parse_init): New function.
22594 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
22595 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
22597 * except.c (mark_eh_state): Mark more state.
22598 * function.c (mark_function_state): Likewise.
22599 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
22600 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
22601 * toplev.c (mark_file_stack): New function.
22602 (compile_file): If doing GC, use ggc_alloc_string on input filename.
22603 (main): Add root for input_file_stack.
22605 * i386.c: Include "ggc.h".
22606 (ix86_mark_machine_status): New function.
22607 (override_options): Set mark_machine_status.
22609 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22611 * tree.c (copy_node): Copy node contents also if doing GC.
22613 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22615 * collect2.c (scan_libraries): Fix double-thinko :-).
22617 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
22619 * collect2.c (scan_libraries): Fix thinko.
22621 * cse.c (delete_trivially_dead_insns): Do not skip the last
22622 insn if it is a real insn.
22624 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
22626 * Makefile.in (ggc-simple.o): Depend on hash.h.
22627 * ggc.h (ggc_add_tree_hash_table_root): Declare.
22628 (ggc_mark_tree_varray): Likewise.
22629 (ggc_mark_tree_hash_table): Likewise.
22630 * ggc-simple.c: Include hash.h.
22631 (ggc_mark_tree_hash_table_ptr): New function.
22632 (ggc_mark_tree_hash_table_entry): Likewise.
22633 (ggc_mark_tree_hash_table): Likewise.
22634 (ggc_add_tree_hash_table_root): Likewise.
22635 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
22636 rtx, when defining fields.
22638 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22640 * profile.c (output_func_start_profiler): Remove apparently
22641 nonsensical call to start_sequence.
22643 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
22645 * clipper/clipper.c (clipper_va_start): Fix typos.
22647 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
22648 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
22649 (spur_va_arg): New stub.
22651 * configure.in: Comment out pyramid.
22653 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
22655 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
22656 don't conflict with the bits that win32, cygwin, and dgux
22659 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
22660 Bernd Schmidt <bernds@cygnus.co.uk>
22662 * integrate.c (function_cannot_inline_p): Do not inline
22663 functions with forced labels.
22665 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
22666 Bernd Schmidt <bernds@cygnus.co.uk>
22667 Mark Mitchell <mark@codesourcery.com>
22669 * Makefile.in (ggc-simple.o): Depend on varray.h.
22670 (rtl.o): Depend on ggc.h.
22671 (genattrtab.o): Depend on ggc.h.
22672 (print-tree.o): Likewise.
22673 (fold-const.o): Likewise.
22674 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
22675 (make_insn_raw): Don't cache insns when GC'ing.
22676 (emit_insn_before): Likewise.
22677 (emit_insn_after): Likewise.
22678 (emit_insn): Likewise.
22679 (start_sequence): Use xmalloc to allocate the sequence_stack.
22680 (end_sequence): Add free to free it.
22681 (gen_sequence): Don't cache insns when GC'ing.
22682 (clear_emit_caches): Don't use sequence_element_free_list.
22683 (init_emit): Use xcalloc, not xmalloc+bzero.
22684 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
22685 * function.c (pop_function_context_from): Use free to free the
22686 fixup_var_refs_queue.
22687 (put_reg_into_stack): Allocate it with xmalloc.
22688 * genattrtab.c: Include ggc.h.
22689 (operate_exp): Don't use obstack_free when GC'ing.
22690 (simplify_cond): Likewise.
22691 (simplify_text_exp): Likewise.
22692 (optimize_attrs): Likewise.
22693 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
22695 (gencode): Generate a #include for ggc.h.
22696 * ggc-callbacks.c (ggc_p): Define it to zero.
22697 * ggc-none.c (ggc_p): Likewise.
22698 * ggc-simple.c: Include varray.h.
22699 (ggc_mark_tree_varray): New function.
22700 (ggc_add_tree_varray_root): Likewise.
22701 (ggc_mark_tree_varray_ptr): Likewise.
22702 * ggc.h (ggc_p): Declare.
22703 (varray_head_tag): Likewise.
22704 (ggc_add_tree_varray_root): Declare.
22705 * print-tree.c (print_node): Don't check for TREE_PERMANENT
22706 inconsistencies when GC'ing.
22707 * rtl.c: Include ggc.h.
22708 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
22709 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
22710 (rtx_free): Don't call obstack_free when GC'ing.
22711 * toplev.c (rest_of_compilation): Call ggc_collect after every
22713 * tree.c (push_obstacks): Do nothing, if GC'ing.
22714 (pop_obstacks_nochange): Likewise.
22715 (pop_obstacks): Likewise.
22716 (make_node): Use ggc_alloc_tree when GC'ing.
22717 (copy_node): Likewise.
22718 (get_identifier): Use ggc_alloc_string when GC'ing.
22719 (build_string): Likewise.
22720 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
22721 (tree_cons): Likewise.
22722 (build1): Likewise.
22723 (type_hash_canon): Don't call obstack_free when GC'ing.
22725 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
22727 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
22728 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
22730 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
22731 Bernd Schmidt <bernds@cygnus.co.uk>
22732 Mark Mitchell <mark@codesourcery.com>
22734 * Makefile.in (stor-layout.o): Depend on ggc.h.
22735 (expr.o): Depend on ggc.h.
22736 (profile.o): Depend on ggc.h.
22737 (stor-layout.o): Depend on ggc.h.
22738 * emit-rtl.c (init_emit_once): Add gc roots.
22739 * expr.c: Include ggc.h.
22740 (emit_block_move): Add gc roots.
22741 (clear_storage): Likewise.
22742 * expr.h (init_stor_layout_once): New function.
22743 * profile.c: Include ggc.h.
22744 (init_arc_profiler): profiler_label is a root.
22745 * scan.c (make_sstring_space): Trust xrealloc to function
22746 correctly with first parameter NULL.
22747 * stor-layout.c: Include ggc.h.
22748 (set_sizetype): Add gc root.
22749 (init_stor_layout_once): New function.
22750 * toplev.c (compile_file): Call it.
22752 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
22753 Bernd Schmidt <bernds@cygnus.co.uk>
22754 Mark Mitchell <mark@codesourcery.com>
22756 * Makefile.in (tree.o): Depend on ggc.h.
22757 (varasm.o): Likewise.
22758 (function.o): Likewise.
22759 (stmt.o): Likewise.
22760 (except.o): Likewise.
22761 (optabs.o): Likewise.
22762 (emit-rtl.o): Likewise.
22763 * emit-rtl.c: Include ggc.h.
22764 (sequence_element_free_list): Remove, and all references.
22765 (mark_sequence): New functions.
22766 (mark_emit_state): New function.
22767 * except.c: Include ggc.h.
22768 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
22769 (mark_tree_label_node): New functions.
22770 (mark_eh_state): New function.
22771 * function.c: Include ggc.h.
22772 (mark_temp_slot, mark_function_chain): New functions.
22773 (mark_function_state): New function.
22774 (init_function_once): New function.
22775 * function.h (init_function_once): New function.
22776 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
22777 * ggc.h (label_node): Declare.
22778 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
22779 (lang_mark_false_label_stack): New function.
22780 (mark_temp_slot): Remove declaration.
22781 (mark_function_chain): Likewise.
22782 (mark_eh_state): Adjust prototype.
22783 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
22785 * optabs.c: Include ggc.h.
22786 (mark_optab): New function.
22787 (init_optabs): Add gc roots.
22788 * stmt.c: Include ggc.h.
22789 (mark_cond_nesting, mark_loop_nesting): New functions.
22790 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
22791 (mark_stmt_state): New function.
22792 * toplev.c (compile_file): Call init_function_once.
22793 * tree.c: Include ggc.h.
22794 (type_hash): Move declaration earlier in file.
22795 (TYPE_HASH_SIZE, type_hash_table): Likewise.
22796 (init_obstacks): Add gc roots.
22797 (mark_type_hash): New function.
22798 * varasm.c: Include ggc.h.
22799 (mark_pool_constant): New function.
22800 (mark_varasm_state): New function.
22802 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22804 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
22806 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22808 * c-decl.c (struct language_function): Renamed from struct c_function.
22810 (c_function_chain): Delete.
22811 (push_c_function_context): New arg F. Don't warn about nested
22812 functions here. Fill LANGUAGE elt of F. Delete code to update
22813 c_function_chain. Don't call push_function_context.
22814 (pop_c_function_context): New arg F. Restore from there instead of
22815 from c_function_chain. Don't call pop_function_context. Clear out
22816 LANGUAGE field of F when done.
22817 * c-lang.c: Include "function.h"
22818 (lang_init): Initialize save_lang_status and restore_lang_status.
22819 * c-parse.in (nested_function, nested_function_notype): Warn about
22820 nested functions. Call push_function_context/pop_function_context
22821 instead of the _c_ variants.
22822 * c-tree.h (push_c_function_context, pop_c_function_context): Update
22824 * Makefile.in (c-lang.o): Update dependencies.
22826 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
22827 regno_pointer_flag, regno_pointer_align.
22828 (gen_reg_rtx): Use xrealloc to enlarge them.
22829 (free_emit_status): New function.
22830 * function.c (mark_machine_status, mark_lang_status): New variables.
22831 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
22832 in some bits from assign_stack_local. All callers changed to use new
22834 (assign_stack_local): Just call assign_stack_local_1.
22835 (free_after_compilation): New function.
22836 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
22837 (trampoline_address): Likewise.
22838 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
22839 (prepare_function_start): Explicitly clear some more variables.
22840 * function.h (struct function): New elt can_garbage_collect.
22841 (mark_machine_status, mark_lang_status): Declare variables.
22842 (free_after_compilation, free_emit_status, free_varasm_status,
22843 init_varasm_status): Declare functions.
22844 * toplev.c (rest_of_compilation): Call free_after_compilation when
22845 done with the current function.
22846 * varasm.c (free_varasm_status): New function.
22848 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
22850 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
22851 (EXPAND_BUILTIN_VA_ARG): Define.
22852 * sparc.c (sparc_va_start): New.
22853 (sparc_va_arg): New.
22855 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22857 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
22859 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22861 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
22863 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
22865 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
22866 (OBJS): Add $(GGC).
22867 (ggc-callbacks.o): New target.
22868 * ggc-callbacks.c: New file.
22870 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22872 * expr.h: Collapse individual optab and libfunc vars to arrays.
22873 (optab_index, libfunc_index): New enumerations.
22874 (optab_table, libfunc_table): New arrays.
22875 Add accessor macros for both.
22877 * optabs.c (optab_table, libfunc_table): New.
22878 Delete declarations for individual optab and libfunc vars.
22880 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
22882 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
22884 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
22886 * Makefile.in (GGC, GGC_LIB): New.
22887 (HOST_RTL): Include ggc-none.o.
22888 (ggc-simple.o): New target.
22889 (ggc-none.o): Likewise.
22890 * tree.h (tree_common): Add gc_mark.
22891 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
22892 (struct rtvec_def): Add gc_mark.
22893 * emit-rtl.c (global_rtl): Update static initializers to contain
22894 enough initializers.
22895 * ggc.h, ggc-none.c, ggc-simple.c: New files.
22896 * toplev.c (gc_time): New variable.
22897 (all_time): New variable.
22898 (compile_file): Print gc time.
22899 (print_time): Calculate percentage of the whole.
22901 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22903 Change obstack memory management and varasm constant pool handling so
22904 that nested functions are treated like any other functions.
22905 * function.c (init_machine_status): New variable.
22906 (push_function_context_to): Set contains_functions for the outer
22907 function. Don't call save_varasm_status.
22908 (pop_function_context_from): Don't call restore_varasm_status. Don't
22909 set current_function_contains_functions.
22910 (prepare_function_start): Call init_varasm_status rather than
22911 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
22913 * function.h (struct function) Add field varasm. Delete fields
22914 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
22915 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
22916 (init_machine_status): Declare.
22917 (save_varasm_status, restore_varasm_status): Delete declarations.
22918 (save_tree_status, restore_tree_status): Delete last argument.
22919 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
22920 code. All callers changed.
22921 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
22922 save_constants_in_decl_trees, restore_constants, save_constants,
22923 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
22925 (inlining): New variable.
22926 (reg_map, label_map, insn_map, orig_asm_operands_vector,
22927 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
22929 (save_for_inline_nocopy): Don't save constants.
22930 Don't set inl_emit field in current_function.
22931 (expand_inline_function): Use emit field, not inl_emit, of the inlined
22932 function. Set new variable inlining before
22933 calling copy_rtx_and_substitute.
22934 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
22935 constant pool references if inlining is nonzero.
22936 Delete ADDRESS and (most of the) CONST cases.
22937 (output_inline_function): Save and restore current_function/
22938 current_function_decl. Delete restore_constants code. Don't call
22939 init_const_rtx_hash_table.
22940 * output.h (init_const_rtx_hash_table): Don't declare.
22941 * rtl.h (struct function): Declare.
22942 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
22943 * toplev.c (rest_of_compilation): Don't treat nested functions or
22944 functions containing them specially. Delete all code to deal with
22945 save_for_inline_copying.
22946 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
22947 inline_obstacks): Delete variables.
22948 (save_tree_status): Lose arg CONTEXT. All callers changed.
22949 Simply allocate a new function_maybepermanent_obstack for the new
22950 function, delete all the special cases.
22951 Don't save inline_obstacks.
22952 (restore_tree_status): Lose arg CONTEXT. All callers changed.
22953 Delete special handling for function_maybepermanent_obstack; simply
22955 Don't restore inline_obstacks.
22956 (permanent_allocation): Delete code that frees inline_obstacks.
22957 (print_inline_obstack_statistics): Delete function.
22958 (dump_tree_statistics): Don't call it.
22959 * varasm.c (struct varasm_status): New.
22960 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
22961 last_pool, pool_offset, const_double_chain): Delete global
22962 variables, replace with accessor macros.
22963 (immed_double_const): Don't walk const_double_chain outside a
22964 function, but don't treat nested functions specially anymore.
22965 (immed_real_const_1): Likewise.
22966 (clear_const_double_mem): Don't treat nested functions specially.
22967 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
22968 (save_varasm_status, restore_varasm_status): Delete functions.
22969 (init_varasm_status): New function.
22970 (force_const_mem): Don't treat nested functions specially.
22971 (find_pool_constant): Accept new arg F, search for constants in
22972 that function's pool rather than the current one. All callers
22974 (get_pool_constant_for_function, get_pool_mode_for_function): New
22977 * i386.c (init_386_machine_status): New function, mostly from
22978 clear_386_stack_locals.
22979 (struct machine_functions): Rename element names to avoid name
22981 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
22982 macros, replacing global variables.
22983 (clear_386_stack_locals, save_386_machine_status,
22984 restore_386_machine_status): Delete functions.
22985 (override_options): Initialize init_machine_status.
22986 * i386.h (INIT_EXPANDERS): Delete macro.
22987 (save_386_machine_status, restore_386_machine_status,
22988 clear_386_stack_locals): Delete declarations.
22990 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22992 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
22993 (doloop_begin): Simplify pattern and use emit_jump_insn.
22994 (doloop_end): Simplify pattern, switch operand order,
22995 and use emit_jump_insn.
22997 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
22999 * function.h (struct function): Add new element LANGUAGE.
23000 (save_lang_status): Declare new variable.
23001 (restore_lang_status): Likewise.
23002 * function.c (save_lang_status): Define.
23003 (restore_lang_status): Likewise.
23004 (push_function_context_to): Call language-specific save function.
23005 (pop_function_context_from): Call language-specific restore function.
23007 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23009 * i386.md (movsf_1): Check REG_P before use of REGNO.
23010 (movdf_1): Likewise.
23011 (movxf_1): Likewise.
23012 (extendsfdf2): Likewise.
23013 (extendsfxf2): Likewise.
23014 (extenddfxf2): Likewise.
23016 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23018 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
23019 constants into memory.
23020 (c4x_shiftable_constant): New function.
23021 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
23022 (c4x_shiftable_constant): Declare.
23023 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
23024 ashlqi3_noclobber): Add new patterns and associated splitters.
23026 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
23028 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
23029 * dwarf2out.c (dwarf2out_frame_init): Likewise.
23030 * final.c (shorten_branches): Likewise.
23031 * global.c (global_alloc): Likewise.
23032 * haifa-sched.c (build_control_flow): Likewise.
23033 * stmt.c (check_for_full_enumeration_handling): Likewise.
23034 (estimate_case_costs): Likewise.
23036 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
23038 * rtl.h (RTL_CHECKC2): Fix typo in last change.
23040 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
23042 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
23043 (recompute_reg_usage): Likewise.
23044 * rtlanal.c (find_regno_fusage): Likewise.
23046 * rtl.c (rtl_check_failed_code1): New function.
23047 (rtl_check_failed_code2): New.
23048 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
23049 (RTL_CHECKC1, RTL_CHECKC2): New.
23050 (XC*): New accessor macros.
23051 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
23052 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
23053 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
23054 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
23055 (TRAP_*, RANGE_INFO_*): Likewise.
23057 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23059 * Makefile.in (tlink.o): Don't depend on toplev.h.
23061 * collect2.c (c_file, o_file, export_file, import_file, ldout,
23062 output_file, nm_file_name, ldd_file_name, strip_file_name,
23063 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
23064 add_prefix, prefix_from_env, prefix_from_string, do_wait,
23065 fork_execute, maybe_unlink, add_to_list,
23066 extract_init_priority, write_list, dump_list,
23067 dump_prefix_list, write_list_with_asm, write_c_file,
23068 write_c_file_stat, write_c_file_glob, scan_prog_file,
23069 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
23070 ignore_library, extract_string, notice, dump_file, target_machine,
23071 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
23072 read_file, print_load_command): Constify a char*.
23073 (fdopen, error, fatal, fatal_perror): Don't prototype.
23074 (my_strerror): Remove. All callers use xstrerror instead.
23075 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
23076 (main): Add prototype. Constify lots of char* ptrs. Change calls
23077 to xcalloc/strcpy/strcat/... to one call to concat.
23078 (main, scan_prog_file, scan_libraries): Use an intermediate
23079 `const char **' to build an argv array.
23080 (mapfile, libselect, libcompare, locatelib): Add prototypes.
23082 * collect2.h (collect_execute, collect_wait, dump_file,
23083 file_exists): Constify a char*.
23084 (ldout, c_file_name, temporary_obstack, permanent_obstack,
23085 temporary_firstobj, vflag, debug): Add extern declarations.
23086 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
23088 * tlink.c: Don't include toplev.h.
23089 (vflag, debug, ldout, c_file_name, temporary_obstack,
23090 permanent_obstack, temporary_firstobj): Don't declare.
23091 (tlink_execute, frob_extension, symbol_hash_lookup,
23092 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
23093 recompile_files, read_repo_files, demangle_new_symbols,
23094 scan_linker_output): Constify a char*.
23095 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
23096 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
23098 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
23100 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
23101 (relative) rather than jsr (absolute) subroutine call insns.
23102 * config/m68k/m68k-coff.h: Ditto.
23104 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
23106 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
23107 now rework these too.
23108 (arm_reorg): If an insn can't reach the end of the current pool,
23109 ensure that we emit that pool before the insn.
23111 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
23113 * tlink.c (scan_linker_output): Skip the initial underscore in
23114 a mangled name if appropriate.
23116 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23118 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
23119 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
23120 error_with_ivar, gen_declarator, create_builtin_decl,
23121 my_build_string, generate_descriptor_table, generate_ivars_list,
23122 generate_dispatch_table, check_protocols, TAG_GETCLASS,
23123 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
23124 dump_base_name, lang_decode_option, build_encode_expr,
23125 start_class, finish_class, encode_pointer, really_start_method,
23126 gen_declaration, dump_interface, handle_class_ref, handle_impent):
23128 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
23129 Add static prototypes.
23130 (build_objc_string_decl, build_selector_reference_decl,
23131 encode_bitfield, build_class_reference_decl): Remove unused
23132 parameter, all callers changed.
23133 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
23134 (objc_printable_name): Likewise. Change second parameter to type int.
23135 (init_objc): Use memcpy, not bcopy, to avoid casts.
23137 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
23139 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
23140 reg notes on a deleted insn.
23141 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
23143 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
23145 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
23147 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23149 * stmt.c (expand_asm_operands): Fix index into inout_mode when
23152 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
23154 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
23155 * tm.texi (MD_ASM_CLOBBERS): Document it.
23157 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
23159 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
23160 * except.c (expand_rethrow): Remove unused variable.
23161 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
23162 * flow.c (replace_insns): Likewise.
23163 (create_edge_list, verify_edge_list): Likewise.
23164 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
23166 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
23167 is special code to run.
23168 (main): Don't define operands to emit_operand.
23169 * genrecog.c (main): Don't emit an empty peephole2_insn function.
23171 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
23173 * alpha/alpha.h (normal_memory_operand): Declare.
23174 (reg_no_subreg_operand): Declare.
23175 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
23177 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
23179 * c-parse.in (compstmt_primary_start): New, broken out of first
23180 part of compstmt handling in primary.
23181 (primary): Use it. Add an error clause.
23182 (compstmt_nostart): Renamed from compstmt; remove all
23183 initial invocations of compstmt_start.
23186 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
23188 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
23191 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
23193 * combine.c (simplify_shift_const): Remove extra semicolon.
23194 * dwarf2out.c (remove_AT): Likewise.
23195 * expmed.c (expand_mult): Likewise.
23196 * gcov.c (create_program_flow_graph): Likewise.
23197 * reorg.c (mostly_true_jump): Likewise.
23199 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
23201 * fold-const.c (fold_range_test): Do not try to fold the range
23202 test if the rhs or lhs has side effects.
23204 * combine.c (simplify_rtx): Recognize another case of a synthesized
23207 * varasm.c (mark_constant_pool): When marking indirect references,
23208 only look at SYMBOL_REFs.
23210 * except.c (expand_fixup_region_end): Do not peek at
23211 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
23213 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
23215 * flags.h: New variables align_loops, align_loops_log,
23216 align_jumps, align_jumps_log, align_labels, align_labels_log,
23217 align_functions, align_functions_log.
23218 * toplev.c: Define them.
23219 (f_options): Handle -falign-* when they have no argument.
23220 (main): Add logic to set variables for -falign-functions,
23221 -falign-jumps, -falign-labels, -falign-loops.
23222 Make it -fsched-verbose=<n> and -finline-limit=<n>.
23223 (display_help): Change help to match options.
23224 * final.c (LABEL_ALIGN): Default to align_labels_log.
23225 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
23226 (LOOP_ALIGN): Default to align_loops_log.
23227 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
23228 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
23229 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
23230 * varasm.c (assemble_start_function): Handle align_functions.
23232 * config/sparc/sparc.h: Don't declare sparc_align_*.
23233 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
23234 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
23236 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
23238 * config/sparc/sparc.c: Delete sparc_align_loops,
23239 sparc_align_jumps, sparc_align_funcs and the corresponding string
23241 (sparc_override_options): Default align_functions on ultrasparc.
23242 Delete -malign-* handling.
23244 * config/mips/mips.c (override_options): On 64-bit targets,
23245 try to align code to 64-bit boundaries.
23246 (print_operand): New substitution, %~,
23247 which aligns labels to align_labels_log.
23248 * config/mips/mips.md (div_trap_normal): Use %~.
23249 (div_trap_mips16): Likewise.
23251 (absdi2): Likewise.
23252 (ffssi2): Likewise.
23253 (ffsdi2): Likewise.
23254 (ashldi3_internal): Likewise.
23255 (ashrdi3_internal): Likewise.
23256 (lshrdi3_internal): Likewise.
23257 (casesi_internal): Likewise.
23259 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
23261 Merge new ia32 backend from the branch!
23263 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
23264 See ChangeLog.P2 on new_ia32_branch for details.
23266 * rtl.h (stack_regs_mentioned_p): Delete prototype.
23267 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
23268 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
23269 * i386/gas.h (ASM_FILE_START): Define.
23270 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
23271 for name change of ix86_valid_decl_attribute_p.
23272 (i386_pe_valid_type_attribute_p): Similarly.
23274 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
23276 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
23277 to step through CC modes.
23279 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23281 * regmove.c (fixup_match_1): Don't move INSN in front of P if
23282 it would end up in the shadow of a live flags regsiter.
23284 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23286 * reload1.c: Fix many indentation problems.
23287 * reload.c: Likewise.
23289 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
23291 * alias.c (non_local_reference_p): Constify fmt.
23293 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
23295 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
23297 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
23299 * cse.c (delete_trivially_dead_insns): Do not delete stores to
23300 the internal_arg_pointer.
23302 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
23304 Merge peephole2 from new_ia32_branch:
23305 * Makefile.in (STAGESTUFF): Add *.peephole2.
23306 (mostlyclean): Likewise.
23307 (recog.o): Depend on resource.h.
23309 * final.c (peephole): Conditionalize decl on HAVE_peephole.
23310 (final_scan_insn): Likewise for the invocation of peephole.
23311 * genconfig.c (main): Look for peephole and peephole2 patterns.
23312 Emit HAVE_peephole* accordingly.
23313 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
23314 * flags.h (flag_peephole2): Declare.
23315 * toplev.c: New pass peephole2. New flag -fpeephole2.
23317 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
23318 * gencodes.c (main): Likewise.
23319 * genextract.c (main): Likewise.
23320 * genoutput.c (main): Likewise.
23321 * genemit.c (max_operand_1): Look for the max scratch operand.
23322 (gen_rtx_scratch): New.
23323 (gen_exp): Use it, and pass on new arg subroutine_type.
23324 (gen_expand): Take max scratch into account.
23325 (gen_split): Emit peephole2 functions.
23326 (output_peephole2_scratch): New.
23327 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
23328 * genrecog.c (routine_type): Add PEEPHOLE2.
23330 (make_insn_sequence): Match outer parallel for peep2. Discard
23331 top level scratches and dups.
23332 (add_to_sequence): New args insn_type and top. Update all callers.
23333 Handle toplevel peep2 matching insns.
23334 (write_subroutine): Handle peep2.
23335 (write_tree_1): Likewise.
23336 (write_tree): Likewise.
23338 (change_state): New arg afterward. Update all callers.
23339 Handle matching separate insns.
23340 * recog.c (recog_next_insn): New.
23341 (peephole2_optimize): New.
23342 * rtl.def (DEFINE_PEEPHOLE2): New.
23343 * resource.c (find_free_register): New argument last_insn. Use it
23344 to find a register available through the entire span.
23345 * resource.h (find_free_register): Update prototype.
23347 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
23349 * i386.c (output_strlen_unroll): Don't write xops[7]
23350 label if it wasn't set.
23352 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
23354 * cpplib.c (struct directive): Const-ify name pointer and
23355 function pointer prototype.
23356 (validate_else, do_define, do_line, do_include, do_undef,
23357 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
23358 do_elif, do_endif, do_sccs, do_assert, do_unassert,
23359 do_warning): Const-ify second arg.
23360 (directive_table): Mark const. Reorder entries by frequency
23361 of usage, record statistics.
23363 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
23365 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
23366 bounds- check RTL accesses if --enable-checking.
23367 (RTVEC_ELT): Bounds check if --enable-checking.
23368 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
23369 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
23370 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
23372 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
23373 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
23375 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
23376 (NOTE_SOURCE_FILE): Use X0STR.
23377 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
23378 MEM_ALIAS_SET): Use X0INT.
23379 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
23380 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
23382 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
23383 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
23384 (rtl_check_failed_bounds, rtl_check_failed_type1,
23385 rtl_check_failed_type2, rtvec_check_failed_bounds): New
23387 (fancy_abort): Fix comment.
23389 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
23390 (cse_insn): Decrement LABEL_NUSES for jump target before
23391 deleting jump insn.
23392 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
23393 * final.c (alter_subreg): Compute regno before changing x to
23394 REG; set REGNO(x) after changing it.
23395 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
23396 notes containing CONST_INTs.
23397 (delete_eh_regions): Use NOTE_EH_HANDLER.
23398 * function.c (put_reg_into_stack): Make reg a MEM before
23400 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
23402 (gen_mem_addressof): Make reg a MEM before initializing it.
23403 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
23405 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
23406 deleting an insn, not after.
23407 (block_alloc): Only look at PATTERN(insn) if we have to, and
23408 only if it's format class 'i'.
23409 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
23410 CONST_INT before using its INTVAL.
23411 * print-rtl.c (print_rtx): Use X0STR.
23412 * regmove.c (fixup_match_1): Don't look at PATTERN of
23413 non-class-'i' insn chain elements.
23414 * reload.c (loc_mentioned_in_p): Take address of
23415 in->fld[1].rtx directly.
23416 * reload1.c (reload): Change reg to a MEM before initializing
23418 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
23420 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
23422 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
23424 * config/mips/mips.c (machine_dependent_reorg): Force a
23425 barrier to output the local constant pool if a barrier hasn't
23426 been found at a natural point in the instruction stream.
23428 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23430 * c-parse.in (language_string): Constify.
23432 * dwarf2out.c (language_string): Remove declaration.
23434 * dwarfout.c (language_string): Likewise.
23436 * toplev.c (language_string, init_parse, finish_parse): Likewise.
23438 * tree.h (language_string, init_parse, finish_parse): Declare.
23440 * i386/sun386.h (language_string): Remove declaration.
23442 * mips.h (language_string): Likewise.
23444 * nextstep.h (language_string): Likewise.
23446 * nextstep21.h (language_string): Likewise.
23448 * rs6000.c (language_string): Likewise.
23450 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23452 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
23453 (getpwd.o): Remove target.
23455 * getpwd.c: Delete file. Its in libiberty now.
23457 * dbxout.c (getpwd): Don't prototype.
23458 * dwarf2out.c (getpwd): Likewise
23459 * dwarfout.c (getpwd): Likewise
23460 * final.c (getpwd): Likewise.
23461 * protoize.c (getpwd): Likewise.
23463 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23465 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
23467 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
23469 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
23470 mark_set_resources.
23472 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
23474 * fixinc/Makefile.in (subdir): New.
23475 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
23478 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
23480 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
23481 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
23484 * invoke.texi: Fix typo.
23486 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
23487 changed. Handle autoincrement addressing modes.
23489 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
23490 just like we would the virtual incoming args register when
23493 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
23495 * rs6000.h (ASM_FILE_START): Specify complete filename, including
23496 path, in .file directive.
23498 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
23500 * gcc.texi (External Bugs): Remove obsolete note about Perl on
23503 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
23505 * stdbool.h: Make the typedef name _Bool, with bool a #defined
23508 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23510 * tree.c (tree_code_name): Constify a char*.
23512 * tree.h (tree_code_name, decl_printable_name): Likewise.
23514 * function.h (struct function): Likewise.
23516 * toplev.c (decl_name, decl_printable_name): Likewise.
23518 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
23520 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
23521 (init_objc): Remove function pointer cast.
23523 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
23525 * pa.md (interspace_jump): New pattern.
23526 (builtin_longjmp): New expander.
23528 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
23530 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
23531 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
23532 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
23534 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
23536 * jump.c (delete_prior_computation): Also check calls
23537 to constant functions. Don't bother checking for a
23538 REG_UNUSED note before adding it.
23539 (delete_computation): Handle multi-word hard registers
23540 when synthesizing missing REG_DEAD notes for a register
23541 which is both set and used by an insn.
23543 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23545 * loop.c (this_loop_info): New variable.
23546 (loop_has_call, loop_has_volatile, loop_has_tablejump,
23547 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
23549 (prescan_loop, strength_reduce): New argument loop_info. All callers
23551 (scan_loop): New variable loop_info, initialise to address of
23553 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
23554 Delete variable loop_has_multiple_exit targets and replace with
23555 field in this_loop_info.
23556 (find_and_verify_loops): Rename this_loop to this_loop_num.
23557 (strength_reduce): Delete loop_iteration_info. Replace variable
23558 loop_info with function argument of same name.
23559 (insert_bct): Rework test for loop being completely unrolled.
23561 * loop.h (struct loop_info): New fields num, loops_enclosed,
23562 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
23563 has_indirect_jump, and cont. Redefine use of unroll_number.
23564 (loop_unroll_number): Delete.
23566 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
23567 field of loop_info.
23568 (loop_iterations): Delete variable vtop and instead use
23569 loop_info->vtop computed in prescan_loop.
23571 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
23573 * fix-header.c (main): Do not pass a null pointer to strcmp.
23575 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
23577 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
23579 * configure: Rebuilt.
23581 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
23583 * jump.c (jump_optimize_1): Do not delete assignments to
23584 internal_arg_pointer.
23585 * cse.c (delete_trivially_dead_insns): Always consider a set of
23586 the internal_arg_pointer live.
23588 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
23590 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
23591 (update_life_info) [REG_WAS_0]: Search the original insns rather
23592 than the new insns for the note. Fix typos finding note_dest.
23593 If no dest found, discard the note rather than abort.
23594 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
23595 (replace_insns): Remove the old insn list after update_life_info
23598 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
23600 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
23601 sched_analyze_insn.
23602 (sched_analyze_1): Let add_dependence care for not adding dups.
23603 (sched_analyze_2): Likewise.
23604 (add_branch_dependences): Likewise.
23606 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
23608 * i386/winnt.c (export_list): New type.
23609 (exports_head): Rename to
23610 (export_head): this.
23611 (i386_pe_record_exported_symbol): Add is_data flag.
23612 (i386_pe_asm_file_end): Emit directive for exported variables.
23613 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
23615 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
23616 (ASM_DECLARE_OBJECT_NAME): Likewise.
23617 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23618 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
23620 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
23622 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
23624 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
23627 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
23629 * config/openbsd.h: Define SET_ASM_OP.
23630 * tm.texi: cross-reference SET_ASM_OP in the index.
23632 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
23634 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
23635 for a CONST_DOUBLE, at compile time. Initialize rtx_length
23636 and class_narrowest_mode at compile time. Kill init_rtl.
23637 Mark rtx_length, mode_class, mode_size, mode_unit_size,
23638 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
23639 rtx_format as const. Kill all references to EXTRA_CC_MODES or
23641 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
23643 * rtl.h: Declare rtx_length and rtx_format as const.
23644 * machmode.def: Define CC(). Use CC() to define CCmode. If
23645 EXTRA_CC_MODES is defined, expand it here.
23646 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
23647 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
23648 const. Kill all references to EXTRA_CC_MODES.
23650 * toplev.c: Don't prototype or call init_rtl.
23651 * optabs.c: Don't call init_mov_optab.
23652 * genemit.c: Don't generate init_mov_optab. Don't call
23654 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
23656 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
23657 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
23658 genrecog.c: Don't call init_rtl.
23660 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
23661 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
23662 definition of EXTRA_CC_MODES.
23664 * md.texi: Kill ref to EXTRA_CC_NAMES.
23665 * tm.texi: Document new way to define EXTRA_CC_MODES.
23667 * genrecog.c: Do not look up the name of a define_split.
23668 (Unrelated bugfix.)
23670 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
23672 * config/v850/v850.md: Fix typo introduced by previous delta.
23674 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23676 * gcc.c (fatal): Make definition static to match prototype.
23678 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23680 * combine.c (get_last_value): Don't look for earlier sets if the last
23681 known set is somewhere in between the insns being combined.
23683 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
23685 * configure.in: Don't use shell ! to negate exit codes
23686 * configure: Regenerate
23688 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
23690 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
23691 the fact that ALIGN is measured in bits, not bytes.
23693 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
23695 * errors.c: New file; defines functions error, warning, and
23696 fatal, variables have_error and progname.
23697 * errors.h: New file; prototypes and decls for stuff in errors.c.
23699 * Makefile: Add rules to build errors.o and
23700 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
23701 genopinit, genrecog, genextract, genpeep, genattr, and
23702 genoutput with errors.o. Add errors.h to deps of genconfig.o,
23703 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
23704 genpeep.o, genattr.o, and genoutput.o.
23706 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
23707 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
23708 define or prototype fatal. Set progname at beginning of main.
23709 * genoutput.c: Likewise, and don't define or prototype error
23712 * c-typeck.c (c_expand_start_case): Return immediately if exp
23714 * fold-const.c (operand_equal_p): Return immediately if arg1
23715 or arg0 are ERROR_MARKs.
23716 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
23717 fields of type ERROR_MARK when calculating if the record can
23720 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
23721 with much help from Jeffrey A Law and Richard Henderson
23723 * i386.md: In the 6 insns which call output_fix_trunc,
23724 earlyclobber operands[0].
23726 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
23728 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
23729 creating new registers.
23731 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
23733 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
23734 i386_reg_alloc_order, i386_regparm_string,
23735 i386_align_loops_string, i386_align_jumps_string,
23736 i386_align_funcs_string, i386_preferred_stack_boundary_string,
23737 and i386_branch_cost_string as type "const char *".
23738 * i386.c: Define all above strings as type "const char *".
23740 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
23742 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
23743 when emitting alignment padding. Emit padding byte of 0 instead of 4.
23745 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
23747 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
23748 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
23750 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
23752 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
23753 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
23754 (dwarf2out_line, dwarf2out_finish): Likewise.
23755 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
23757 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
23759 * tree.c (lang_unsave_expr_now) : Correct return type.
23760 * tree.h (lang_unsave_expr_now) : Same.
23762 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
23764 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
23765 instead of duplicating code.
23767 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23769 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
23771 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
23773 * tree.h: fancy_abort always takes three args.
23774 * resource.c: Move include of system.h before toplev.h.
23776 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
23778 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
23781 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
23783 * system.h: Don't redefine abort or trim_filename.
23784 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
23785 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
23786 whether or not __FUNCTION__ is available.
23787 * tree.h: Duplicate rtl.h's definition of abort, for files
23788 that don't include rtl.h. Delete all code to perform type
23789 checking with a compiler other than GCC.
23790 * varray.h: Delete all code to perform type checking with a
23791 compiler other than GCC. Make VARRAY_CHECK() always evaluate
23792 its arguments exactly once, using a statement expression.
23793 Adjust the VARRAY_<type> accessor macros to match.
23794 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
23795 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
23796 caller's location. Define fatal_insn and fatal_insn_not_found
23797 as macros that use _fatal_insn and _fatal_insn_not_found.
23798 (fancy_abort, trim_filename): Kill prototypes.
23800 * rtl.c (trim_filename): Move here from toplev.c.
23801 (fancy_abort): New function.
23802 (DIR_SEPARATOR): Provide default definition.
23803 * tree.c (tree_check_failed, tree_class_check_failed): Go
23804 through fancy_abort.
23805 (tree_check, tree_class_check, cst_or_constructor_check,
23806 expr_check): Delete.
23807 * varray.c (varray_check_failed): New function.
23808 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
23809 _fatal_insn and _fatal_insn_not_found. Go through
23811 (trim_filename, fancy_abort): Delete.
23813 * builtins.c (expand_builtin_args_info): Report ICE with abort.
23814 * except.c (start_catch_handler): Report ICE with error/abort
23816 * final.c (output_operand_lossage): Likewise.
23817 * flow.c (verify_flow_info): Likewise.
23819 * gcc.c: Prototype fatal.
23820 * gengenrtl.c: Undef abort after including rtl.h not system.h.
23821 * genattr.c, genattrtab.c, genemit.c, genextract.c,
23822 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
23823 Don't define fancy_abort.
23825 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
23827 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
23830 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
23832 * m88k.h (VERSION_INFO2): Kill.
23833 (VERSION_STRING): Kill.
23835 (VERSION_INFO1): Tidy.
23836 (TARGET_VERSION): Update.
23837 * m88k/dgux.h (VERSION_INFO2): Kill.
23838 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
23839 * m88k/luna.h (VERSION_INFO1): Tidy.
23840 * m88k/sysv4.h (VERSION_INFO1): Likewise.
23841 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
23842 (output_file_start): Adjust for death of VERSION_STRING.
23844 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
23846 * cpplib.c (detect_if_not_defined): New function.
23847 (do_if): Use it to detect potential once-only headers.
23849 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
23851 * c-common.c (combine_strings): Always set TREE_CONSTANT.
23853 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23855 * combine.c (nonzero_bits) : Allow single-ly set registers to be
23856 anywere in the function only if they are pseudos and set before
23857 being used (not live at the start of the function).
23858 (num_sign_bit_copies) : Same.
23859 (get_last_value_validate) : Same.
23860 (get_last_value) : Same.
23862 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
23864 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
23865 where N and M are constant and N is an integer multiple of M.
23867 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23869 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
23870 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
23871 sbitmap_union_of_preds): Add prototypes.
23872 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
23873 the intersection of successors with the new flow graph structures.
23874 (sbitmap_intersection_of_preds): New function to compute the
23875 intersection of predecessors with the new flow graph structures.
23876 (sbitmap_union_of_succs): New function to compute the union of
23877 successors with the new flow graph structures.
23878 (sbitmap_union_of_preds): New function to compute the union of
23879 predecessors with the new flow graph structures.
23880 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
23881 (expr_reaches_here_p): Use edge and basic_block structures instead
23882 of s_preds and s_succs.
23883 (compute_cprop_avinout): Use new sbitmap routines.
23884 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
23885 of s_preds and s_succs.
23886 * flow.c (compute_flow_dominators): Compute dominators using
23887 edges and basic blocks instead of s_preds and s_succs.
23889 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23891 * lists.c (unused_insn_list, unused_expr_list): New file for
23892 maintaining various types of lists. New statics for maintaining a
23893 cache of available INSN_LIST and EXPR_LIST nodes.
23894 (free_list): Static function for freeing a list of INSN/EXPR nodes.
23895 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
23896 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
23897 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
23898 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
23899 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
23900 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
23901 (free_INSN_LIST_node): Free an individual INSN_LIST node.
23902 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
23903 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
23904 (remove_dependence, free_pending_lists): Use new global routines.
23905 (flush_pending_lists, sched_analyze_insn): Use new global routines.
23906 (sched_analyze, compute_block_backward_dependences): Use new routines.
23907 (sched_analyze_1, sched_analyze_2): Use new routines.
23908 (schedule_insns): Use new global routines.
23909 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
23911 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
23912 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
23914 * toplev.c (rest_of_compilation): Initialize node cache.
23915 * Makefile.in (OBJS): Add lists.o to list of object files.
23916 (lists.o): Add dependancies.
23918 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
23920 * config/v850/v850.md: Fix compile time warning messages.
23921 * config/v850/v850.c: Fix compile time warning messages.
23922 * config/v850/v850.h: Fix compile time warning messages.
23924 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23926 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
23927 Remove unused prototype for `init_lengths'.
23929 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23931 * calls.c (emit_call_1): Mark parameter `stack_size' with
23933 (expand_call): Initialize variable `insn'.
23934 (emit_library_call): Likewise for variable `high_to_save'.
23935 (emit_library_call_value): Likewise.
23936 (store_one_arg): Likewise for variables `lower_bound' and
23939 * combine.c (try_combine): Likewise for variables `i2_code_number'
23940 and `other_code_number'.
23941 (find_split_point): Likewise for variables `pos', `unsignedp' and
23943 (simplify_if_then_else): Likewise for variables `op' and `c1'.
23944 (simplify_and_const_int): Remove unused variable `width'.
23945 (merge_outer_ops): Likewise.
23947 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
23948 HOST_WIDE_INT' when comparing against one.
23949 (simplify_relational_operation): Likewise.
23950 (cse_insn): Initialize variables `src_eqv_volatile',
23951 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
23953 * final.c (init_final): Constify parameter `filename'.
23954 (final_start_function): Mark parameter `optimize' with
23956 (profile_function): Likewise for parameters `first' and `optimize'.
23957 (output_source_line): Likewise for parameter `file'.
23959 * integrate.c (subst_constants): Cast a value to `size_t' when
23960 comparing against one.
23961 (mark_stores): Initialize variable `mode'. Cast a value to
23962 `size_t' when comparing against one.
23964 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
23966 * loop.c (move_movables): Initialize variable `first'.
23967 (strength_reduce): Likewise for variable `increment'.
23968 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
23969 value to `size_t' when comparing against one.
23970 (load_mems): Initialize variable `end_label'.
23972 * output.h (init_final): Constify parameter.
23974 * reload.c (decompose): Initialize variable `base'.
23976 * reload1.c (reload): Likewise for variable `is_scalar'.
23977 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
23978 (choose_reload_regs): Initialize variable `mode'.
23979 (emit_reload_insns): Likewise for variable `store_insn'.
23980 (reload_cse_noop_set_p): Mark parameter `insn' with
23982 (reload_combine): Initialize variable `set'.
23984 * unroll.c (unroll_loop): Likewise for variable `local_label'.
23985 (copy_loop_body): Cast a value to `size_t' when comparing against
23988 * varasm.c (assemble_variable): Initialize variable `size_tree'.
23989 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
23990 (remove_from_pending_weak_list): Mark parameter `name' with
23993 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23995 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
23998 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24000 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24001 (ASM_DECLARE_FUNCTION_NAME): Define.
24002 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
24003 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
24004 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
24005 not already defined.
24007 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24009 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
24010 of n_popped when call/call_value are not defined.
24012 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
24014 * tm.texi: GNU CC -> GCC conversion.
24015 (CC1_SPEC): Indicate it is used for all language front ends.
24017 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
24019 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
24020 NOTE_INSN_EH_REGION_END correctly.
24022 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24023 Jeff Law <law@cygnus.com>
24025 * loop.c (strength_reduce): Automatically unroll loops if the
24026 unrolled loop size is smaller than the rolled loop size.
24028 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
24029 and delete comment that code should be rewritten.
24031 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
24033 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
24036 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
24038 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24040 * fixinc/mkfixinc.sh: Don't fix uwin headers.
24041 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
24042 (LINK_SPEC): Add -u _main when building executables.
24043 (ASM_DECLARE_FUNCTION): Update from Cygwin.
24044 (ASM_FILE_END): Use the default for ix86-pe.
24045 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
24047 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
24049 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
24050 and ASM_CLOSE_PAREN are empty strings.
24052 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
24053 Geoffrey Keating <geoffk@cygnus.com>
24055 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
24056 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
24057 (unprotoize.o): Ditto.
24058 (test-protoize-simple): Don't define STD_PROTO_DIR.
24059 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
24060 changes to make 'test-protoize-simple' pass.
24061 (STD_PROTO_DIR): Remove define.
24062 (STANDARD_EXEC_PREFIX): Supply default define.
24063 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
24064 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
24065 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
24066 (GET_ENV_PATH_LIST): New macro.
24067 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
24068 (do_processing): Initialize default_syscalls_dir using new
24069 macros. Use it to initialize syscalls_absolute_filename.
24071 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
24073 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
24074 B into a register before emit_conditional_move.
24076 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
24078 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
24079 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
24080 multiplicand out of (+ (* a b) (* c d)).
24082 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
24083 Richard Henderson <rth@cygnus.com>
24085 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
24086 (new_insn_dead_notes): Likewise.
24087 (update_n_sets): Likewise.
24088 (update_flow_info): Move to flow.c, renamed to update_life_info;
24089 extend to handle multiple source insns.
24090 * flow.c: Include resource.h
24091 (unlink_insn_chain): New.
24092 (split_hard_reg_notes): New.
24093 (maybe_add_dead_note): New.
24094 (maybe_add_dead_note_use): New.
24095 (find_insn_with_note): New.
24096 (new_insn_dead_notes): New.
24097 (update_n_sets): New.
24098 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
24099 (maybe_remove_dead_notes): New.
24100 (update_life_info): New.
24101 (prepend_reg_notes): New.
24102 (replace_insns): New.
24103 * output.h (update_life_info): Declare.
24104 * recog.c (split_block_insns): Use update_life_info.
24105 * resource.c (find_free_register): Use reg_alloc_order, don't use
24106 fixed regs, make sure the mode is supported, don't use new regs.
24108 * rtl.h (replace_insns): Declare.
24110 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
24112 * expr.c (expand_expr): Cope with COND_EXPRs with one
24113 non-returning branch.
24115 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
24117 * expr.c (store_expr): Always pass down the target, even when not
24120 1999-08-24 Nick Clifton <nickc@cygnus.com>
24122 * configure.in: Define target_cpu_default for v850 targets.
24123 * configure: Regenerate
24125 * config/v850/v850.h (TARGET_CPU_generic): Define.
24126 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
24127 addresses are 4 byte aligned.
24129 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
24132 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24134 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
24135 (main): Add prototypes.
24137 * genattrtab.c (substitute_address, write_const_num_delay_slots,
24138 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
24139 (write_attr_get): Emit prototypes along with function definition.
24140 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
24141 (write_complex_function): Emit static prototype along with
24142 function definition.
24144 * genemit.c (gen_split): Emit prototypes along with function
24147 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
24148 Likewise for predicates and `insn_operand_predicate'.
24149 (process_template): Emit static prototype along with function
24152 * genrecog.c (make_insn_sequence): Constify a char*. Add
24153 prototypes for get_split_*().
24154 (write_subroutine): Emit prototypes along with function
24157 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24159 * gcse.c (find_avail_set): Follow chains of register-register copies.
24160 Use oprs_not_set_p to guarantee that the returned value can be
24162 (cprop_insn): Don't verify the return value of find_avail_set with
24165 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
24166 (cprop_cc0_jump): New function.
24167 (cprop_insn): Break out new function cprop_jump and use it.
24168 Also use cprop_cc0_jump for machines with CC0.
24169 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
24171 * tree.h (current_function_calls_setjmp,
24172 current_function_calls_longjmp): Delete declarations.
24173 * dsp16xx.c: Include "function.h".
24174 * elxsi.c: Likewise.
24175 * gmicro.c: Likewise.
24176 * h8300.c: Likewise.
24177 * i370.c: Likewise.
24178 * m32r.c: Likewise.
24179 * mn10200.c: Likewise.
24180 * mn10300.c: Likewise.
24181 * ns32k.c: Likewise.
24182 * spur.c: Likewise.
24183 * v850.c: Likewise.
24185 * rtl.h (rtx_equal_function_value_matters): Declare.
24186 * toplev.c (rtx_equal_function_value_matters): Don't declare.
24188 * function.c: Likewise.
24189 * emit-rtl.c: Likewise.
24191 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
24193 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
24196 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24198 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
24201 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
24203 * cpp.texi: Add a node documenting macro varargs (copied
24206 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
24208 * cppspec.c: Put a null pointer at the end of the new argv.
24210 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
24212 * configure.in: Remove code to select/de-select the haifa
24213 scheduler. Every scheduled port gets haifa now.
24214 * configure: Rebuilt.
24215 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
24217 * Makefile.in: Corresponding changes.
24219 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24221 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
24222 All callers changed.
24223 (prepare_float_lib_cmp): Likewise.
24224 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
24225 * expr.h (emit_float_lib_cmp): Delete declaration.
24226 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
24227 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
24228 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
24230 (cmptf): Now conditional on TARGET_HARD_QUAD.
24232 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
24234 * resource.c (mark_target_live_regs): Use
24235 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
24237 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24239 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
24241 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
24243 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
24245 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24247 * rtl.h (rtx_format): Constify a char*.
24249 * rtl.c (rtx_format): Likewise.
24250 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
24251 (init_rtl): Use accessor macro, not `rtx_format'.
24253 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
24256 * caller-save.c (mark_referenced_regs): Likewise.
24258 * combine.c (subst, make_compound_operation, known_cond,
24259 gen_rtx_combine, update_table_tick, get_last_value_validate,
24260 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
24262 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
24263 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
24264 count_reg_usage): Likewise.
24266 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
24269 * final.c (leaf_renumber_regs_insn): Likewise.
24271 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
24272 dump_edge_info, count_reg_references): Likewise.
24274 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
24275 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
24278 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
24279 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
24280 add_label_notes): Likewise.
24282 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
24283 clear_struct_flag, count_sub_rtxs, count_alternatives,
24284 compares_alternatives_p, contained_in_p, walk_attr_value,
24285 write_expr_attr_cache): Likewise.
24287 * genconfig.c (walk_insn_part): Likewise.
24289 * genemit.c (max_operand_1, gen_exp): Likewise.
24291 * genextract.c (walk_rtx): Likewise.
24293 * genflags.c (num_operands): Likewise.
24295 * genoutput.c (scan_operands): Likewise.
24297 * genpeep.c (match_rtx): Likewise.
24299 * genrecog.c (add_to_sequence): Likewise.
24301 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
24304 * integrate.c (save_constants, copy_for_inline,
24305 copy_rtx_and_substitute, subst_constants, restore_constants):
24308 * jump.c (mark_jump_label, invert_exp, redirect_exp,
24309 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
24311 * local-alloc.c (contains_replace_regs, memref_referenced_p):
24314 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
24315 add_label_notes, replace_call_address, count_nonfixed_reads,
24316 invariant_p, find_single_use_in_loop, find_mem_givs,
24317 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
24320 * print-rtl.c (reg_names, print_rtx): Likewise.
24322 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
24324 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
24325 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
24326 print_blocks): Likewise.
24328 * regclass.c (fix_register, record_address_regs,
24329 reg_scan_mark_refs): Likewise.
24331 * regmove.c (stable_but_for_p): Likewise.
24333 * reload.c (loc_mentioned_in_p, operands_match_p,
24334 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
24335 copy_replacements, refers_to_regno_for_reload_p,
24336 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
24337 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
24340 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
24341 delete_address_reloads_1, count_occurrences,
24342 reload_cse_mem_conflict_p, reload_combine_note_use,
24343 add_auto_inc_notes): Likewise.
24345 * resource.c (mark_referenced_resources, mark_set_resources):
24348 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
24349 reg_mentioned_p, regs_set_between_p, modified_between_p,
24350 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
24351 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
24352 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
24353 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
24355 * sched.c (sched_analyze_2, attach_deaths): Likewise.
24357 * stupid.c (stupid_mark_refs): Likewise.
24359 * unroll.c (remap_split_bivs): Likewise.
24361 * varasm.c (mark_constants): Likewise.
24363 * a29k/a29k.c (uses_local_reg_p): Likewise.
24365 * alpha/alpha.c (summarize_insn): Likewise.
24367 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
24368 eliminate_lr2ip): Likewise.
24370 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
24372 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
24373 reg_mentioned_in_mem): Likewise.
24375 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
24376 symbolic_reference_mentioned_p): Likewise.
24378 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
24380 * sh/sh.c (regs_used, mark_use): Likewise.
24382 * vax/vax.c (vax_rtx_cost): Likewise.
24384 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24386 * machmode.h (mode_name): Constify a char*.
24388 * rtl.c (mode_name): Likewise.
24390 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
24392 * optabs.c (init_libfuncs): Constify a char*.
24394 * print-tree.c (mode_name): Remove redundant declaration.
24395 (print_node): Use accessor macro, not `mode_name'.
24397 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
24399 (new_spill_reg): Constify a char*.
24401 * tree.c (mode_name): Remove redundant declaration.
24403 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24405 * rtl.c (rtx_name): Constify a char*.
24407 * rtl.h (rtx_name, fix_sched_param): Likewise.
24409 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
24410 (mypr): Use accessor macro, not `rtx_name'.
24412 * genemit.c (print_code): Constify a char*.
24414 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
24416 * genpeep.c (print_code): Constify a char*.
24418 * genrecog.c (print_code): Likewise.
24420 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
24421 end_bb): Add static prototype.
24422 (draw_edge): Constify a char*.
24423 (end_bb): Remove unused parameter.
24425 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
24426 print_block_visualization): Constify a char*.
24428 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
24430 * c-common.c (c_get_alias_set): Update comment.
24432 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24434 * linux.h (LIB_SPEC): Added.
24436 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24438 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
24440 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
24442 * tree.c (expr_check): Fix typo in last change.
24444 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
24446 * rtl.def (NOTE): Change format to "iuu0n".
24447 (ADDR_DIFF_VEC): Change format to "eEee0".
24448 (ADDRESSOF): Change format to "eit".
24450 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
24451 (RTVEC_ELT): Change to match.
24452 (XVECEXP): Use XVEC and RTVEC_ELT.
24453 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
24454 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
24455 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
24456 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
24457 TRAP_CONDITION, TRAP_CODE): Use XEXP.
24458 (INTVAL): Use XWINT.
24459 (ADDRESSOF_DECL): Use XTREE.
24460 (SET_ADDRESSOF_DECL): Delete.
24461 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
24462 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
24463 ifdefed out since 2.6 at least.
24464 (gen_rtvec_vv): Delete prototype.
24466 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
24468 (copy_most_rtx): Handle 't' format letter.
24469 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
24470 (gen_rtvec_vv): Delete function. All callers changed to use
24471 gen_rtvec_v instead.
24472 * print-rtl.c (print_rtx): Move special casing of NOTEs to
24473 the '0' format letter.
24475 * function.c (gen_mem_addressof): Don't use
24476 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
24478 * integrate.c (copy_rtx_and_substitute): Likewise.
24479 Copy 't' slots with XTREE.
24480 (subst_constants): Treat 't' slots like '[swi]' slots.
24481 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
24482 * jump.c (rtx_equal_for_thread_p): Likewise.
24483 * rtlanal.c (rtx_equal_p): Likewise.
24484 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
24485 only four arguments.
24486 * gengenrtl.c (type_from_format): Provide correct types for
24490 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
24491 If a recent gcc is in use (always in stage2 and beyond), use
24492 statement expressions, so we don't make a function call unless
24493 the check fails. Evaluate arguments exactly once.
24494 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
24495 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
24497 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
24498 they evaluate their arguments exactly once, irrespective of
24499 the compiler in use.
24501 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
24502 is used by the currently-enabled check macros. This is:
24503 (tree_check_failed, tree_class_check_failed): For gcc.
24504 (tree_check, tree_class_check, cst_or_constructor_check,
24505 expr_check): For other compilers.
24507 * gencheck.c: Do not define any *_CHECK1 macros.
24509 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
24510 Mark Mitchell <mark@codesourcery.com>
24512 * c-common.c (c_get_alias_set): Fix support for poitners and
24515 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
24517 * alias.c: Include tree.h.
24518 (nonlocal_reference_p, mark_constant_function): New functions.
24519 * flow.c (life_analysis): Call mark_constant_function.
24520 * rtl.h (mark_constant_function): Declare it.
24522 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
24524 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
24525 unrecognisable switches.
24527 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24529 * loop.c (recombine_givs): Set ix field after sorting.
24530 (recombine_givs): Remove bogus index / giv lockstep looping.
24532 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24534 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
24536 (emit_store_flag_force): Use do_compare_rtx_and_jump.
24537 (do_cmp_and_jump): Formatting fixes.
24538 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
24539 do_compare_rtx_and_jump instead of compare_from_rtx.
24540 (do_compare_rtx_and_jump): New function; mostly copied from
24542 (do_jump_for_compare): Delete.
24543 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
24545 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
24546 of compare/do_jump_for_compare pairs.
24547 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
24548 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
24549 compare_from_rtx/do_jump_for_compare pairs.
24550 (do_jump_by_parts_equality): Likewise.
24551 (do_jump_by_parts_equality_rtx): Likewise.
24552 * expr.h (do_compare_rtx_and_jump): Declare.
24553 * optabs.c (prepare_cmp_insn): New function, contains most of the code
24554 that used to be in emit_cmp_insn.
24555 (cmp_available_p): New function.
24556 (prepare_operand): New function.
24557 (emit_cmp_and_jump_insn_1): New function, contains some code that used
24558 to be in emit_cmp_insn.
24559 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
24560 parameters to be pointers; don't emit final compare but modify some of
24561 the values pointed to by the args so the caller can perform the
24562 correct comparison.
24563 (expand_binop): Call emit_store_flag_force with signed forms of
24565 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
24566 emit_jump_insn pair.
24567 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
24568 emit_cmp_and_jump_insn_1. Call emit_queue.
24569 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
24571 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
24572 jump sets cc0 before deleting it.
24573 * integrate.c (expand_inline_function): Likewise.
24574 * unroll.c (unroll_loop): Similar changes in several places.
24575 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
24576 before deleting it.
24578 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24580 * Makefile.in (insn-recog.o): Update dependencies.
24581 * genrecog.c (main): Make generated file include "function.h".
24583 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
24585 * cse.c (cse_insn): Call never_reached_warning when a jump is
24586 changed to be unconditional.
24587 * flags.h: Declare warn_notreached.
24588 * flow.c (delete_block): Call never_reached_warning when
24589 a block is deleted.
24590 * jump.c (delete_barrier_successors): Call never_reached_warning
24591 when we delete everything after a BARRIER.
24592 (never_reached_warning): New function.
24593 * rtl.h: Declare never_reached_warning.
24594 * toplev.c (warn_notreached): New variable.
24595 (lang_independent_options): Set warn_notreached
24596 when -Wunreachable-code.
24597 (compile_file): We need line numbers for -Wunreachable-code.
24599 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
24601 * haifa-sched.c (insn_unit): Fix typo on out of range test.
24602 * sched.c (insn_unit): Likewise.
24604 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
24606 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
24608 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24610 * flow.c (create_edge_list): Use xmalloc, not malloc.
24612 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
24614 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
24615 C-style comments. Do not lose the character before double slash.
24617 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24619 * basic-block.h (struct edge_list): Stucture to maintain a vector
24621 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
24622 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
24623 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
24624 New function prototypes.
24625 * flow.c (create_edge_list): Function to create an edge list.
24626 (free_edge_list): Discards memory used by an edge list.
24627 (print_edge_list): Debug output showing an edge list.
24628 (verify_edge_list): Internal consistency check for an edge list.
24629 (find_edge_index): Function to find an edge index for a pred and succ.
24631 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
24633 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
24636 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
24638 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
24640 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
24642 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24644 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
24646 * toplev.c (rest_of_compilation): Allow machine dependent
24647 reorganisation pass to place information into the RTL dump
24648 file if it so wishes.
24650 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
24652 * explow.c (hard_function_value): Use VOIDmode instead of
24654 * stmt.c (expand_return): Likewise.
24655 * stor-layout.c (get_best_mode): Likewise.
24657 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
24658 emit call instead of emit_insn call.
24660 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
24662 * configure.in: Handle --disable/enable-win32-registry.
24663 * install.texi: Document --disable/enable-win32-registry.
24664 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
24665 (WIN32_REGISTRY_KEY): New macro.
24666 * prefix.c: Use to enable/disable win32-specific code.
24667 (lookup_key): Use versioned key.
24668 * configure: Regenerate.
24669 * config.in: Likewise.
24671 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
24673 * cpplib.c (read_line_number): New fn, split out of...
24676 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
24678 tree.c (lang_unsave_expr_now) : New.
24679 (unsave_expr_now): Call lang_unsave_expr_now.
24680 tree.h (lang_unsave_expr_now) : New.
24682 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
24684 * toplev.c (flag_new_exceptions): On by default.
24686 1999-08-13 Michael Meissner <meissner@cygnus.com>
24688 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
24690 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24692 * dwarfout.c (fundamental_type_code): Return FT_boolean for
24693 INTEGER_TYPE with precision==1, it's __java_boolean.
24695 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24697 * global.c (prune_preferences): Move some invariants out of the
24700 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
24702 * configure.in (alpha*-dec-osf*): Add osf5.
24704 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
24706 * configure.in: Rework handling of ARM GNU/Linux slightly.
24707 (arm*-*-linux-gnuoldld): New target.
24708 * configure: Regenerate.
24709 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
24710 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
24711 * config/arm/linux-oldld.h: New file.
24712 * config/arm/linux-elf26.h: Don't include linux-elf.h.
24713 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
24715 * config/arm/linux-elf.h (ASM_SPEC): Define.
24716 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
24717 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
24718 for 26-bit APCS and old linker.
24719 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
24721 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
24722 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
24723 don't define `arm' or `arm_elf'.
24724 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
24725 MULTILIB_DIRNAMES): Define. Fix typo in comment.
24727 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
24729 * rtl.texi: Fix typo.
24731 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
24733 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
24735 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
24737 * extend.texi (C++ Signatures): Remove node.
24738 * invoke.texi: Remove discussion of -fhandle-signatures,
24739 signature, sigof, __signature__, and __sigof__.
24741 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
24743 * Makefile.in (JAVAGC): Removed.
24745 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
24747 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24749 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
24751 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
24753 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
24755 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
24756 a register that is already known to be a pointer.
24758 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
24760 * fixinc/inclhack.tpl: Only install assert.h conditionally.
24761 * fixinc/inclhack.sh: Regenerated.
24762 * fixinc/fixincl.sh: Regenerated.
24764 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
24766 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
24767 Fix documentation of -ansi flag to describe its C++ behavior.
24768 Remove bogus reference to GCC 2.9.
24770 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
24772 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
24773 note if it is non-NULL.
24775 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24777 * except.h (eh_nesting_info): Add new structure defintion.
24778 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
24779 (reachable_handlers, update_rethrow_references): Add function
24781 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
24782 a rethrow symbol instead of an integer exception region number.
24783 * flow.c (Make_edges): Use new exception nesting routines to determine
24784 which handlers are reachable from a CALL or asynchronous insn.
24785 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
24787 (delete_eh_regions): Update rethrow labels, and don't delete
24788 regions which are the target of a rethrow.
24789 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
24790 avoid overloading the SYMBOL_REF_USED flag.
24791 (rethrow_symbol_map): Use new rethrow_ref field.
24792 (rethrow_used): Use new rethrow_ref field.
24793 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
24794 of an integer. Fix formatting.
24795 (output_exception_table_entry): Use new rethrow_ref field.
24796 (can_throw): Check for EH_REGION_NOTE before deciding
24797 whether a CALL can throw or not.
24798 (scan_region): Call rethrow_used() instead of accessing data structure.
24799 (update_rethrow_references): New function to make sure only regions
24800 which are still targets of a rethrow are flagged as such.
24801 (process_nestinfo): New static function to initialize a handler
24802 list for a specific region.
24803 (init_eh_nesting_info): New function to allocate and initialize
24804 the list of all EH handlers reachable from all regions.
24805 (reachable_handlers): New function to retrieve the list of handlers
24806 reachable from a specific region and insn.
24807 (free_eh_nesting_info): New function to dispose of a list of
24808 reachable handlers.
24810 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24812 * flow.c (split_edge): Set JUMP_LABEL field.
24813 (commit_one_edge_insertion): Set head correctly for insert_before.
24814 When inserting insns, update insn block numbers if allocated.
24816 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24818 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
24819 retry_incomplete_types): Add static prototype.
24820 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
24821 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
24822 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
24823 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
24824 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
24827 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
24828 dwarf2out_start_source_file, dwarf2out_line): Likewise.
24830 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24832 * output.h (assemble_name): Constify a char*.
24834 * varasm.c (UNIQUE_SECTION, assemble_start_function,
24835 assemble_variable, assemble_name): Likewise.
24837 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
24839 * arm/pe.c (arm_pe_unique_section): Likewise.
24841 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
24843 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
24845 * i386/interix.c (i386_pe_unique_section): Likewise.
24847 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
24849 * i386/winnt.c (i386_pe_unique_section): Likewise.
24851 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
24853 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
24855 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
24857 * pa/pa.c (output_call): Likewise.
24859 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
24861 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
24863 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
24866 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
24869 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
24871 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
24872 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
24874 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
24876 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24878 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
24880 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24882 * tree.h (lang_identify): Constify a char*.
24883 (print_error_function): Add extern prototype. Constify a char*.
24885 * c-lang.c (lang_identify): Constify a char*.
24887 * objc/objc-act.c (lang_identify): Constify a char*.
24889 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24891 * genpeep.c (main): Make generated file include "function.h".
24892 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
24894 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24896 * Makefile.in: Update dependencies.
24897 * alias.c: Include "function.h"
24898 * c-decl.c: Likewise.
24899 * caller-save.c: Likewise.
24900 * calls.c: Likewise.
24901 * combine.c: Likewise.
24903 * explow.c: Likewise.
24904 * final.c: Likewise.
24905 * global.c: Likewise.
24906 * graph.c: Likewise.
24907 * local-alloc.c: Likewise.
24908 * loop.c: Likewise.
24909 * optabs.c: Likewise.
24910 * profile.c: Likewise.
24911 * recog.c: Likewise.
24912 * regclass.c: Likewise.
24913 * regmove.c: Likewise.
24914 * reload.c: Likewise.
24915 * reorg.c: Likewise.
24916 * resource.c: Likewise.
24917 * sched.c: Likewise.
24918 * stupid.c: Likewise.
24919 * config/1750a/1750a.c: Likewise.
24920 * config/a29k/a29k.c: Likewise.
24921 * config/arc/arc.c: Likewise.
24922 * config/arm/arm.c: Likewise.
24923 * config/arm/thumb.c: Likewise.
24924 * config/c4x/c4x.c: Likewise.
24925 * config/clipper/clipper.c: Likewise.
24926 * config/convex/convex.c: Likewise.
24927 * config/fx80/fx80.c: Likewise.
24928 * config/i860/i860.c: Likewise.
24929 * config/m68k/m68k.c: Likewise.
24930 * config/m88k/m88k.c: Likewise.
24931 * config/mips/mips.c: Likewise.
24932 * config/pdp11/pdp11.c: Likewise.
24933 * config/pyr/pyr.c: Likewise.
24934 * config/romp/romp.c: Likewise.
24935 * config/sh/sh.c: Likewise.
24936 * config/tahoe/tahoe.c: Likewise.
24937 * config/vax/vax.c: Likewise.
24938 * config/we32k/we32k.c: Likewise.
24939 * config/sparc/sparc.c: Include "function.h".
24940 (mem_min_alignment): Test current_function rather than
24941 regno_pointer_align.
24942 * config/pa/pa.c: Likewise.
24943 (compute_frame_size): Delete declaration of
24944 current_function_outgoing_args_size.
24945 * config/arc/arc.h (current_function_varargs): Delete declaration.
24946 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
24948 * config/i370/i370.h (current_function_outgoing_args_size): Delete
24950 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
24951 current_function_uses_pic_offset_table.
24952 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
24953 of current_function_returns_pointer.
24954 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24955 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24956 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24957 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24958 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24959 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
24960 * config/m88k/m88k.c: Include "function.h"
24961 (call_used_regs, current_function_pretend_args_size,
24962 current_function_outgoing_args_size, frame_pointer_needed): Delete
24964 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
24966 * config/mips/mips.h (current_function_calls_alloca): Delete
24968 * config/mn10200/mn10200.h (current_function_needs_context,
24969 rtx_equal_function_value_matters): Delete declarations.
24970 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
24971 flag_pic): Delete declarations.
24972 * config/pa/pa.h (current_function_pretend_args_size,
24973 current_function_decl): Delete declarations.
24974 * config/pa/som.h (current_function_varargs): Delete declaration.
24975 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
24977 * config/pyr/pyr.h (current_function_pretend_args_size,
24978 current_function_args_size, current_function_calls_alloca): Delete
24980 * config/sh/sh.h (current_function_varargs): Delete declaration.
24981 * config/sparc/sparc.h (current_function_outgoing_args_size,
24982 current_function_calls_alloca, current_function_decl): Delete
24984 * config/spur/spur.h (current_function_pretend_args_size,
24985 current_function_calls_alloca): Delete declarations.
24986 * config/v850/v850.c (current_function_outgoing_args_size): Delete
24988 * config/vax/vms.h (current_function_name): Delete declaration.
24989 * gcse.c: Include "function.h".
24990 (current_function_name, current_function_calls_setjmp): Delete
24992 * haifa-sched.c: Include "function.h".
24993 (forced_labels): Delete declaration.
24994 * jump.c: Likewise.
24995 * reg-stack.c: Likewise.
24996 * reload1.c: Likewise.
24997 * genemit.c (main): Make generated file include function.h.
24998 * genoutput.c (output_prologue): Likewise.
25000 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25001 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25002 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
25003 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
25004 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
25005 macros for some of them.
25006 (emit_filename, emit_lineno): Delete declarations.
25007 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
25008 regno_pointer_* variables through current_function.
25009 (gen_inline_header_rtx): Delete function.
25010 (save_emit_status): Delete function.
25011 (set_new_last_label_num): New function.
25012 (clear_emit_caches): New function.
25013 (restore_emit_status): Just clear last_labelnum and call
25015 (get_last_insn_anywhere): Variable sequence_stack is now accessed
25016 through macro seq_stack.
25017 (add_insn_after): Likewise.
25018 (add_insn_before): Likewise.
25019 (remove_insn): Likewise.
25020 (pop_topmost_sequence): Likewise.
25021 (in_sequence_p): Likewise.
25022 (start_sequence_for_rtl_expr): Likewise.
25023 (start_sequence): Likewise, and likewise for
25024 sequence_rtl_expr/seq_rtl_expr.
25025 (push_topmost_sequence): Likewise.
25026 (end_sequence): Likewise.
25027 (init_virtual_regs): Now takes a "struct emit_status *" argument.
25028 All callers changed. Store into that pointer instead of globals.
25029 (init_emit): Allocate emit elt of current_function.
25030 Changes for sequence_rtl_expr/sequence_stack renaming.
25031 Call clear_emit_caches instead of doing it in-line.
25032 Access regno_pointer_* variables through current_function.
25033 (init_emit_once) Don't clear sequence_stack.
25035 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
25037 (arg_pointer_save_area): Delete declaration.
25038 (finish_expr_for_function): Renamed from init_queue; no longer static.
25039 (init_expr): Don't call init_queue.
25040 (save_expr_status, restore_expr_status): Delete functions.
25041 (expand_expr): Changes to reflect new layout of struct function.
25042 Don't access current_function_check_memory_usage when current_function
25044 * expr.h (forced_labels, save_expr_regs, saveregs_value,
25045 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
25046 current_function_outgoing_args_size, current_function_arg_offset_rtx,
25047 current_function_uses_const_pool, function_call_count,
25048 current_function_uses_pic_offset_table, nonlocal_labels,
25049 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
25050 current_function_check_memory_usage, nonlocal_goto_handler_slots,
25051 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
25053 (finish_expr_for_function): Declare.
25054 * flags.h (current_function_has_nonlocal_label,
25055 current_function_has_nonlocal_goto, current_function_is_thunk,
25056 current_function_has_computed_jump): Delete declarations.
25057 * flow.c (forced_labels): Delete declaration.
25058 * function.c (current_function_pops_args,
25059 current_function_returns_struct, current_function_returns_pcc_struct,
25060 current_function_needs_context, current_function_calls_setjmp,
25061 current_function_calls_longjmp, current_function_has_nonlocal_label,
25062 current_function_has_nonlocal_goto, current_function_is_thunk,
25063 current_function_has_computed_jump, current_function_calls_alloca,
25064 current_function_contains_functions, current_function_returns_pointer,
25065 current_function_epilogue_delay_list, current_function_args_size,
25066 current_function_pretend_args_size, current_function_arg_offset_rtx,
25067 current_function_outgoing_args_size, current_function_varargs,
25068 current_function_stdarg, current_function_args_info, cleanup_label,
25069 current_function_name, current_function_uses_const_pool,
25070 current_function_instrument_entry_exit, current_function_return_rtx,
25071 current_function_uses_pic_offset_table, nonlocal_labels,
25072 current_function_internal_arg_pointer, current_function_cannot_inline,
25073 current_function_check_memory_usage, function_call_count,
25074 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
25075 nonlocal_goto_stack_level, return_label, save_expr_regs,
25076 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
25077 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
25078 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
25079 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
25080 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
25082 (push_function_context_to): Don't save them. Don't call
25083 save_storage_status, save_emit_status or save_expr_status.
25084 (pop_function_context_from): Don't restore them. Don't call
25085 restore_storage_status or restore_expr_status.
25086 (get_func_frame_size): New function.
25087 (get_frame_size): Use it.
25088 (assign_outer_stack_local): Reflect some member name changes in struct
25090 (put_reg_into_stack): Likewise.
25091 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
25093 (fixup_var_refs): Likewise.
25094 (fix_lexical_addr): Likewise.
25095 (trampoline_address): Likewise.
25096 (prepare_function_start): Clear field inlinable of current_function.
25097 (init_function_for_compilation): New function.
25098 (expand_dummy_function_end): New function.
25099 (expand_function_end): Call finish_expr_for_function.
25100 * function.h (struct emit_status): New; fields moved here from struct
25101 function and from global variables. Add accessor macros for some of
25103 (struct expr_status): Likewise.
25104 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
25105 (struct function): Add fields expr and emit, inlinable, inl_emit,
25106 original_arg_vector, original_decl_initial, inl_last_parm_insn,
25107 inl_max_label_num. Add many comments.
25108 Add accessor macros for all elts of struct function that no longer
25109 have a global variable.
25110 (cleanup_label, return_label, frame_offset, tail_recursion_label,
25111 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
25112 stack_slot_list): Delete declarations.
25113 (get_func_frame_size): Declare.
25114 (save_expr_status, restore_expr_status, save_emit_status,
25115 save_storage_status, restore_storage_status): Delete declarations.
25116 (init_virtual_regs): Declare.
25117 * output.h (current_function_pops_args,
25118 current_function_returns_struct, current_function_returns_pcc_struct,
25119 current_function_needs_context, current_function_calls_setjmp,
25120 current_function_calls_longjmp, current_function_calls_alloca,
25121 current_function_has_nonlocal_label, current_function_varargs,
25122 current_function_has_computed_jump, current_function_returns_pointer,
25123 current_function_contains_functions, current_function_args_size,
25124 current_function_pretend_args_size, current_function_stdarg,
25125 current_function_outgoing_args_size, current_function_args_info,
25126 current_function_name, current_function_return_rtx,
25127 current_function_epilogue_delay_list,
25128 current_function_uses_const_pool, current_function_cannot_inline):
25129 Delete declarations.
25130 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
25131 regno_reg_rtx): Delete declaration.
25132 (REGNO_POINTER_FLAG): Delete macro.
25133 * stmt.c (expand_goto): Changes to reflect that some fields in struct
25134 function were renamed.
25135 * stor-layout.c (save_storage_status, restore_storage_status): Delete
25137 * toplev.c: Include "function.h".
25138 (current_function_decl): Delete declaration.
25139 (compile_file): Call init_dummy_function_start and
25140 expand_dummy_function_end around some initializations that need to
25142 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
25143 Call init_function_for_compilation.
25144 * unroll.c: Include "function.h"
25145 (unroll_loop): Access regno_pointer_* variables through
25148 * tree.h (struct tree_decl): Add elt f to saved_insns member.
25149 (DECL_SAVED_INSNS): use it.
25150 (expand_dummy_function_end): Declare.
25151 (init_function_for_compilation): Declare.
25152 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
25153 that it's no longer an INLINE_HEADER.
25154 (expand_call): Likewise.
25155 * integrate.c (finish_inline): Delete function.
25156 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
25157 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
25158 args. Don't generate an INLINE_HEADER rtx, just return the arg
25159 vector. All callers changed.
25160 (save_for_inline_copying): Create a duplicate struct emit_status to
25161 hold the emit state for compiling the current function. Use this and
25162 the other new fields in struct function that are for integration
25163 instead of an INLINE_HEADER.
25164 Use memcpy instead of bcopy.
25165 Store the current struct function in DECL_SAVED_INSNS of fndecl.
25166 (save_for_inline_nocopy): Similar changes, except no new emit_status
25168 (expand_inline_function): Get information from function structure,
25169 not from an inline header rtx.
25170 (output_inline_function): Lose code to extract the necessary
25171 information from an inline header; simply put back the function
25172 structure into current_function. Clear its inlinable elt.
25173 * rtl.def (INLINE_HEADER): Delete.
25174 * rtl.h: Delete all accessors for an INLINE_HEADER.
25175 (gen_inline_header_rtx): Delete declaration.
25176 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
25177 Delete declarations.
25178 (REGNO_POINTER_ALIGN): Delete.
25179 (clear_emit_caches): Declare.
25180 (set_new_last_label_num): Declare.
25182 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
25184 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
25186 * except.c (expand_eh_region_start_for_decl): Always start a new block.
25187 * stmt.c (is_eh_region): Make sure current_function is present, too.
25189 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
25191 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
25192 for 64bit PA targets.
25194 * pa.h (SELECT_SECTION): Define.
25195 * som.h (SELECT_SECTION): Delete.
25197 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25199 * alias.c (init_alias_analysis): Wrap call to
25200 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
25202 1999-08-07 Bruce Korb <autogen@linuxbox.com>
25204 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
25205 <sys/asm.h> contains an asm comment with an apostrophe
25206 * fixinc/inclhack.sh: regen
25207 * fixinc/fixincl.x: regen
25209 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
25211 * function.c (init_function_start): Clear prologue & epilogue.
25212 (prologue_epilogue_contains): New function.
25213 * alias.c (init_alias_analysis): Use it.
25214 * rtl.h (prologue_epilogue_contains): Declare it.
25216 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
25218 * jump.c (onlyjump_p): New function.
25219 * rtl.h: Declare it.
25220 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
25221 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
25223 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
25225 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
25226 to invert loops. Simplify block scanning.
25228 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25230 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
25231 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
25233 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
25235 * config/sparc/liteelf.h: New file to support sparclite-elf target
25236 * config/sparc/t-sp86x: New file to support sparc86x targets
25237 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
25238 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
25239 * configure.in: Support above target triplets
25240 * configure: Regenerated
25242 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
25244 * fixinc/server.c (server_setup): Do not prefix function used as
25245 parameter with `&'.
25247 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
25249 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
25250 Remove fp reg alternatives.
25252 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
25254 * Makefiin (TAROUTOPTS): Kill.
25255 (install-headers-tar): Use "xpf" for tar headerfile extraction
25256 * i370/x-oe (TAROUTOPTS): Delete.
25257 * m68k/x-apollo68 (TAROUTOPTS): Delete.
25258 * m68k/x-hp320 (TAROUTOPTS): Delete.
25259 * m68k/x-hp320g (TAROUTOPTS): Delete.
25260 * gcc.texi: Update bug reporting text.
25262 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25264 * reg-stack.c (change_stack) Fixed problem with negative array index.
25266 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
25268 * extend.texi, install.texi: Fix spelling mistakes.
25270 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
25271 (s-attrtab); No longer try to use pre-made insn-attrtab file.
25272 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
25273 PREMADE_ATTRTAB_MD.
25274 * mips/t-ecoff: Likewise.
25275 * mips/t-elf: Likewise.
25276 * mips/t-mips: Likewise.
25277 * mips/t-osfrose: Likewise.
25278 * mips/t-r3900: Likewise.
25279 * mips/t-svr3: Likewise.
25280 * mips/t-svr4: Likewise.
25281 * mips/t-ultrix: Likewise.
25283 * gcc.texi: Document recommend means to provide software floating
25284 point libraries in libgcc.a
25286 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
25288 * c-lex.c (yylex): We can have a number with no digits.
25290 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
25292 * jump.c (delete_prior_computation): New function, broken
25293 out of delete_computation. Check for side effects with
25294 side_effects_p instead of FIND_REG_INC_NOTE. Handle
25295 multi-word hard registers.
25296 (delete_computation): Use it. Check for side effects with
25297 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
25298 missing REG_DEAD note for a register which is both set and
25301 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
25303 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
25304 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
25305 (ASM_FILE_START): Import _mcount with the right type.
25306 (ASM_DECLARE_FUNCTION_NAME): Define.
25307 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
25308 * pa.c (output_function_prologue): Always emit the function's label
25310 * pa.h (TEXT_SPACE_P): Define.
25311 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25312 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
25313 * som.h (TEXT_SPACE_P): Delete.
25314 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
25315 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
25317 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
25319 * expr.c (emit_group_load): Allow src to be a CONCAT.
25321 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25323 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
25324 (___mulsi3): Use '!' comment character.
25326 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25328 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
25330 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
25332 * gcc.c: Update URLs and mail addresses.
25333 * gcc.texi: Likewise.
25335 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
25337 * rs6000.c (current_file_function_operand): Return zero for
25339 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
25341 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
25344 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
25346 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
25347 allocate space in the stack frame for the PIC register.
25349 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
25351 * m68k.md (xordi3, anddi3): These patterns are not available on
25354 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
25356 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
25357 (PUT_REAL): Likewise.
25359 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25361 * final.c (shorten_branches): Don't add an alignment for loops
25362 that have no label inside.
25364 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25366 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
25367 prototypes in macro HAVE_cmpstrsi.
25369 * cpplib.c (cpp_get_token): Remove unused label `op3'.
25371 * emit-rtl.c (operand_subword): Remove unused variable
25374 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
25376 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
25378 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
25380 * cpphash.c (macroexpand): Delete leading whitespace when arg
25381 is concatenated before.
25382 (unsafe_chars): Correct test for whether + and - can extend a
25385 * cppinit.c (cpp_start_read): Do dependencies for
25386 -include/-imacros files also.
25388 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
25389 tokenizing non-directive lines.
25390 (cpp_expand_to_buffer): Temporarily disable no-output mode.
25391 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
25394 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25396 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
25398 * c-lex.c: Sync with C++ frontend.
25399 (linemode): New variable.
25400 (parse_float): imag, conversion_errno, and type are output only.
25401 (yylex): Adjust. Move initial '.' case into main switch.
25403 (handle_generic_pragma): Just deal with tokens.
25404 (readescape): Use ISXDIGIT and ISGRAPH.
25405 * c-parse.in: Add END_OF_LINE token.
25407 * c-lex.c (lang_init): Generalize.
25408 (nextchar): Remove. Replace uses with UNGETC.
25409 (skip_white_space): Handle linemode here. Optimize for cpplib.
25410 (skip_white_space_on_line): Remove.
25411 (extend_token_buffer_to): New fn.
25412 (extend_token_buffer): Use it.
25413 (read_line_number, check_newline): Just deal with tokens.
25414 (token_getch, token_put_back): New fns.
25415 (yylex): Use them. More cpplib optimizations. Simplify.
25417 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25418 Jason Merrill <jason@yorick.cygnus.com>
25420 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
25421 (consume_string): Make this smart about USE_CPPLIB.
25422 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
25423 (yylex): Rewrite to be intelligent about USE_CPPLIB.
25424 Also, clean up cases where we redundantly set token_buffer[0].
25425 (read_line_number): New fn.
25426 (ignore_escape_flag): New variable.
25428 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
25430 * a29k/t-a29kbare: Fix some comments.
25431 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
25432 (FPBIT, DPBIT): Define.
25433 * a29k/t-vx29k: Likewise.
25434 * arc/t-arc: Likewise.
25435 * arm/t-arm-elf: Likewise.
25436 * arm/t-bare: Likewise.
25437 * arm/t-pe: Likewise.
25438 * arm/t-pe-thumb: Likewise.
25439 * arm/t-semi: Likewise.
25440 * arm/t-thumb: Likewise.
25441 * arm/t-thumb-elf: Likewise.
25442 * arm/t-thumb-linux: Likewise.
25443 * h8300/t-h8300: Likewise.
25444 * i960/t-i960: Likewise.
25445 * i960/t-vxworks960: Likewise.
25446 * m32r/t-m32r: Likewise.
25447 * mips/t-ecoff: Likewise.
25448 * mips/t-elf: Likewise.
25449 * mips/t-r3900: Likewise.
25450 * pa/t-pro: Likewise.
25451 * rs6000/t-aix43: Likewise.
25452 * rs6000/t-beos: Likewise.
25453 * rs6000/t-newas: Likewise.
25454 * rs6000/t-ppccomm: Likewise.
25455 * rs6000/t-rs6000: Likewise.
25456 * rs6000/t-winnt: Likewise.
25457 * rs6000/t-xnewas: Likewise.
25458 * rs6000/t-xrs6000: Likewise.
25459 * sh/t-sh: Likewise.
25460 * sparc/t-elf: Likewise.
25461 * sparc/t-sparcbare: Likewise.
25462 * sparc/t-sparclite: Likewise.
25463 * sparc/t-splet: Likewise.
25464 * v850/t-v850: Likewise.
25465 * mn10200/t-mn10200: Fix comments.
25466 * mn10300/t-mn10300: Likewise.
25468 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
25469 dummy operand. Allocate a new pseudo for the dummy operand.
25470 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
25472 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
25474 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
25476 * configure: Rebuilt.
25477 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
25479 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
25481 * recog.c (preproces_constraints): Zero recog_op_alt before
25482 processing the constraints.
25484 * arm.c (typedef minipool_node): Renamed from pool_node.
25485 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
25486 (add_minipool_constant): New function.
25487 (dump_minipool): New function.
25488 (find_barrier): Remove special case for getting the insn size of
25489 an insn that references the constant pool.
25490 (minipool_fixup): New structure.
25491 (push_minipool_barrier): New function.
25492 (push_minipool_fix): New function.
25493 (note_invalid_constants): New function.
25494 (add_pool_constant, dump_table, fixit, broken_move): Delete.
25495 (arm_reorg): Rewrite code to fix up the constant pool into a
25496 series of mini-pools embedded in the insn stream.
25497 (arm_output_epilogue): New function, made mainly from the body
25498 of output_func_epilogue.
25499 (output_func_epilogue): Move insn generation part of epilogue code
25500 to arm_output_epilogue.
25501 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
25502 * arm.md (pool_range): New attribute.
25503 (zero_extendqidi2): Add attribute pool_range.
25504 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
25505 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
25506 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
25507 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
25508 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
25509 (epilogue): New expand.
25510 (epilogue_insn): New insn. Call arm_output_epilogue.
25512 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
25513 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
25515 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25517 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25519 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
25521 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
25523 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
25525 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
25527 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
25529 * global.c: Fix comment.
25531 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
25533 * gcc.c (access_check): New static function.
25534 (find_a_file): Use it when searching a directory list.
25535 * collect2.c (find_a_file): Don't accept directories found when
25536 searching a directory list.
25538 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
25540 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
25541 function parameters with `&'.
25542 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
25544 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
25546 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
25547 or tidy_fallthru_edge if the last insn in the block is not
25548 an unconditional jump or a simple conditional jump.
25550 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25552 * Makefile.in (c-decl.o): Depends on defaults.h.
25554 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
25556 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
25558 (CLASS_MAX_NREGS): Likewise.
25560 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
25562 * cse.c (cse_insn): Fix dumb thinko in last change.
25564 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25566 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
25569 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
25571 * dwarf2out.c (add_location_or_const_value_attribute): Correct
25572 test for sizes of passed and declared parameter types.
25574 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25576 * fixincludes: Fix the return type of bsearch, char* -> void*.
25578 * fixinc/inclhack.def: Likewise.
25580 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
25582 * invoke.texi (-fdump-translation-unit): New option.
25584 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
25586 * expr.h (PROMOTE_PROTOTYPES): Move ...
25587 * defaults.h: ... to here.
25588 * c-decl.c: Include defaults.h instead of expr.h.
25589 * c-typeck.c: Include defaults.h.
25591 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
25593 * toplev.h (errorcount): Declare.
25594 (warningcount): Likewise.
25595 (sorrycount): Likewise.
25596 * c-lex.c (errorcount): Don't declare.
25597 * dwarf2out.c (errorcount): Don't declare.
25599 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
25601 * config/libgloss.h: Add a note discouraging use with ELF.
25602 * configure.in: Don't use libgloss.h for ELF targets.
25603 Always use_collect2 on a.out targets.
25605 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
25607 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
25608 (force_to_mode, case ASHIFTRT): Add shiftrt label.
25610 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25612 * loop.c (strength_reduce): When doing biv->giv conversion, update
25613 reg note of NEXT->insn.
25615 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25617 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
25619 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25621 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
25622 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
25623 Ensure expr.h is included.
25624 * c-typecheck.c (convert_arguments): Ditto.
25626 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
25628 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
25629 * config/convex/convex.h: Ditto.
25630 * config/dsp16xx/dsp16xx.h: Ditto.
25631 * config/fx80/fx80.h: Ditto.
25632 * config/gmicro/gmicro.h: Ditto.
25633 * config/i370/i370.h: Ditto.
25634 * config/i386/i386.h: Ditto.
25635 * config/m32r/m32r.h: Ditto.
25636 * config/m68k/m68k.h: Ditto.
25637 * config/m88k/m88k.h: Ditto.
25638 * config/mips/mips.h: Ditto.
25639 * config/pa/pa.h: Ditto.
25640 * config/pyr/pyr.h: Ditto.
25641 * config/tahoe/tahoe.h: Ditto.
25642 * config/we32k/we32k.h: Ditto.
25644 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
25645 based on arch size.
25647 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
25649 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
25652 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
25654 1999-08-02 Richard Henderson <rth@cygnus.com>
25656 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
25657 for the register spill block.
25658 (m32r_va_arg): New.
25659 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
25660 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
25662 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
25663 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
25664 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
25666 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25668 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
25669 MAX_WCHAR_TYPE defined in sparc.h.
25670 * config/sparc/linuxaout.h: Likewise.
25671 * config/sparc/linux64.h: Likewise.
25672 Also default to -mvis if CPU is UltraSPARC.
25674 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25676 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
25677 (RTX_OK_FOR_OLO10): Likewise.
25678 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
25679 %lo(), allow it in addresses...
25680 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
25681 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
25682 does not make sense.
25683 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
25684 (sparc_output_scratch_registers): New function.
25685 (output_function_prologue, sparc_flat_output_function_prologue): Use
25687 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
25689 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
25690 * configure.in: Add check for .register pseudo-op support in as and
25691 check for offsetable %lo().
25692 * acconfig.h: Add templates for the above checks.
25693 * configure: Regenerate.
25695 1999-08-02 Richard Henderson <rth@cygnus.com>
25697 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
25698 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
25699 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
25701 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25703 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25706 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
25708 * config/float-sparc.h: New file.
25709 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
25710 sparc-*-linux-gnu and sparc64-*-linux*.
25712 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25714 * rs6000.c (rs6000_va_list): Type is an array.
25715 (rs6000_va_start): Don't doubly adjust for varargs.
25716 (rs6000_va_arg): Evaluate long long GPR adjustment.
25718 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
25720 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
25721 -maix64 and -maix32.
25722 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
25723 LINK_SPEC): Change appropriately.
25724 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
25725 (u_short_cint_operand): Likewise.
25726 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
25728 * rs6000/t-aix43 (MULTILIB): Change to -m64.
25730 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
25732 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
25734 * rs6000/rs6000.c (num_insns_constant_wide): Correct
25735 for type promotion.
25736 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
25737 (non_add_cint_operand): Likewise.
25738 (logical_operand): Likewise.
25739 (non_logical_cint_operand): Likewise.
25740 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
25741 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
25742 (rs6000_select_rtx_section): Suppress warning.
25743 (small_data_operand): Suppress warning.
25744 (rs6000_got_register): Suppress warning.
25745 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
25746 type, so `J' is generally the wrong constraint for a SImode value;
25748 (andsi3_internal2): Likewise.
25749 (andsi3_internal3): Likewise.
25750 (iorsi3_internal1): Likewise.
25751 (xorsi3_internal1): Likewise.
25753 (movsf_softfloat): Likewise.
25754 (scc insns): Likewise.
25755 (movsi+2): Preserve sign bits of SImode constant.
25756 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
25757 (movdf+1): Sign-extend properly.
25758 (movdi_32+1): Sign-extend properly.
25759 (scc insns): Sign-extend properly.
25761 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
25764 1999-08-02 Richard Henderson <rth@cygnus.com>
25766 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
25767 -mcpu parsing code.
25768 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
25769 * alpha.md (all fp insns): Likewise.
25771 1999-08-02 Nick Clifton <nickc@cygnus.com>
25773 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
25776 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
25778 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
25779 pic_load_label generator directly.
25780 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
25781 No longer a named pattern.
25783 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
25785 * explow.c (force_reg): Call force_operand if X does not
25786 satisfy general_operand.
25788 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
25790 * fix-header.c (main): When testing for CONTINUED, use string
25791 equality, not pointer equality.
25793 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
25795 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
25797 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
25799 * cse.c (cse_insn): Fix loop which deletes insns after a jump
25800 that has become an unconditional jump.
25802 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
25803 (output_function_epilogue): Similarly.
25805 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25807 * tree.h (init_dummy_function_start): Declare.
25809 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25811 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
25812 last_expr_type, last_expr_value, block_start_count, block_stack,
25813 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
25814 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
25815 dynamically in stmt elt of struct function for each function.
25816 (struct nesting): Rename function_call_count elt to n_function_calls,
25817 target_temp_slot_level to block_target_temp_slot_level. All users
25819 (struct stmt_status): New structure definition.
25820 Add many accessor macros for stmt_status elements which previously
25821 were global variables.
25822 (init_stmt_for_function): Allocate stmt elt for current_function.
25823 Reflect that block_start_count was renamed to
25824 current_block_start_count.
25825 (save_stmt_status, restore_stmt_status): Delete functions.
25826 (preserve_subexpressions_p): Don't access loop_stack when outside
25828 (expand_start_bindings): Reflect that block_start_count was renamed to
25829 current_block_start_count.
25830 (expand_fixup): Likewise.
25831 (expand_decl): Don't access block_stack when outside a function.
25832 (expand_decl_cleanup): Likewise.
25833 (expand_dcc_cleanup): Likewise.
25834 (expand_dhc_cleanup): Likewise.
25835 (expand_anon_union_decl): Likewise.
25836 (set_file_and_line_for_stmt): New function.
25837 (in_control_zone_p): New function.
25839 * function.h (struct function): Add new elt stmt.
25840 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
25841 case_stack, nesting_stack, nesting_depth, block_start_count,
25842 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
25843 emit_lineno, goto_fixup_chain.
25844 (save_eh_status, restore_eh_status, save_stmt_status,
25845 restore_stmt_status): Delete declarations.
25846 * function.c (push_function_context_to): Don't call save_stmt_status.
25847 (pop_function_context_to): Don't call restore_stmt_status.
25848 * tree.h (in_control_zone_p): Declare.
25849 * rtl.h (set_file_and_line_for_stmt): Declare.
25851 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
25852 call set_file_and_line_for_stmt.
25854 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
25856 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
25857 Also update copyright.
25859 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25861 * c-pragma.c: Don't include "except.h".
25862 * emit-rtl.c: Likewise.
25863 * stor-layout.c: Likewise.
25864 * tree.c: Likewise.
25865 * varasm.c: Likewise.
25867 * flow.c: Include "function.h".
25868 * tree.h (init_dummy_function_start): Declare new function.
25870 * except.h (struct eh_status): New structure.
25871 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
25873 (eh_return_stub_label, ehstack, catchstack, ehqueue,
25874 catch_clauses, false_label_stack, caught_return_label_stack,
25875 protect_list, current_function_ehc): Add accessor macros for the
25876 corresponding fields in current_function->eh; delete declarations
25877 for all items that used to be declared here.
25878 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
25879 catch_clauses, false_label_stack, caught_return_label_stack,
25880 protect_list, current_function_ehc): Delete variables.
25881 (init_eh_for_function): Allocate current_function->eh.
25882 (save_eh_status, restore_eh_status): Delete functions.
25884 * function.h (struct function): Add fields next_global and eh.
25885 Delete all exception handling related fields.
25886 * function.c (current_function): New variable.
25887 (all_functions): New variable.
25888 (push_function_context_to): Don't allocate a struct function,
25889 use current_function instead. Call init_dummy_function_start when
25890 outside a function. Clear current_function before returning.
25891 (pop_function_context_from): Restore current_function.
25892 Don't free the restored struct function.
25893 (prepare_function_start): New function.
25894 (init_dummy_function_start): New function.
25895 (init_function_start): Break out some code into prepare_function_start
25898 * stmt.c (save_stmt_status): Don't call save_eh_status.
25899 (restore_stmt_status): Don't call restore_eh_status.
25901 * Makefile.in: Update dependencies.
25903 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
25905 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
25906 of depending on a magic constant value. Update comments.
25907 (hppa_expand_prologue): Similarly.
25909 * pa.md (reload_indi, reload_outdi): Allow any register for the
25910 original reload register.
25912 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
25914 * cccp.c (print_help): Change marcos to macros.
25916 1999-07-30 Richard Henderson <rth@cygnus.com>
25918 * c-typeck.c (initializer_constant_valid_p): Move ...
25919 * c-common.c (initializer_constant_valid_p): ... here. Use
25920 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
25921 of label addresses.
25922 * c-common.h (initializer_constant_valid_p): Declare.
25923 * c-tree.h (initializer_constant_valid_p): Remove.
25925 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
25927 * config/i386/sol2-c1.asm: Align the stack.
25928 * config/i386/sol2-gc1.asm: Likewise.
25930 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
25932 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
25933 -Asparclite for sparc86x.
25934 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
25936 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
25938 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
25940 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
25941 the user if using the non-default arch size in BI_ARCH configuration.
25942 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
25944 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
25945 Fix patterns so that they actually match.
25946 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
25947 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
25948 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
25950 (mulsidi3): Reflect this in the expand.
25951 (smulsi3_highpart): Only on TARGET_ARCH32.
25952 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
25953 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
25954 (umulsidi3): Reflect this in the expand.
25955 (umulsi3_highpart): Only on TARGET_ARCH32.
25956 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
25957 don't require g0 to be zero.
25958 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
25959 ({,u}divsi3): New expands.
25960 ({,u}divsi3_sp64): New patterns.
25961 (after lshrdi3_v8plus): Four new patterns to help combiner
25962 optimizing nested mixed mode shifts.
25964 * config/sparc/sparc.c (sparc_override_options): Use deprecated
25965 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
25966 speed things up. Don't use them by default on plain v9 in 64bit
25967 mode, according to what SPAMv9 sais.
25969 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
25970 top 32 bits of %[og][0-7] in signal handlers.
25971 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
25973 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
25975 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
25976 (ashlsi3): Corresponding changes.
25978 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
25980 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
25982 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
25984 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25986 * arm.h (Hint): Delete macro.
25987 Substitute HOST_WIDE_INT for Hint in some prototypes.
25988 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
25990 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
25992 * builtins.c (expand_builtin_setjmp): Use force_operand to
25993 make sure that the buffer address is in a suitable form to be
25994 passed to force_reg.
25996 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
25998 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26001 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
26003 * pa.md (indirect_jump): Remove mode from match_operand. Verify
26004 proper mode in the condition string.
26005 (icacheflush, dcacheflush): Remove modes from match_operands.
26007 * pa.c (emit_move_sequence): Always convert scratch_reg to the
26008 proper mode before using it.
26010 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
26013 * pa.c (store_reg): Do not call add_high_const generator directly.
26014 (load_reg, set_reg_plus_d): Likewise.
26015 * pa.md (add_high_const): No longer a named pattern.
26017 * pa.c (legitimize_address): Consistently use Pmode rather than
26018 SImode. Do not call gen_pic2_highpart directly anymore.
26019 * pa.md (pic2_highpart): No longer a named pattern.
26020 (pic2_lo_sum): Similarly. Reformat to make more readable.
26022 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
26027 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26029 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
26031 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
26033 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
26034 and tag the spill mems.
26035 (hppa_va_start): New.
26036 (hppa_va_arg): New.
26037 * pa.h (EXPAND_BUILTIN_VA_START): New.
26038 (EXPAND_BUILTIN_VA_ARG): New.
26040 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
26042 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
26043 and tag the spill mems.
26044 (mn10300_va_start): New.
26045 (mn10300_va_arg): New.
26046 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
26047 (EXPAND_BUILTIN_VA_ARG): New.
26049 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
26051 * mn10200.c (mn10200_va_arg): New.
26052 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
26054 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
26056 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
26057 rather than play with TREE_INT_CST_LOW.
26059 1999-07-27 Philip Blundell <pb@nexus.co.uk>
26061 * config/arm/telf.h: Include dbxelf.h.
26062 (CPP_PREDEFINES): Only define if not already defined.
26063 (ASM_IDENTIFY_GCC): Likewise.
26064 (SUBTARGET_EXTRA_SECTIONS): Likewise.
26065 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
26066 * config/arm/thumb.h (LINK_SPEC): Only define if not already
26068 (DBX_DEBUGGING_INFO): Don't define.
26069 * config/arm/linux-telf.h: New file.
26070 * config/arm/linux-tgas.h: New file.
26071 * config/arm/t-thumb-linux: New file.
26072 * config/arm/uclinux-elf.h: New file.
26073 * config/arm/uclinux-telf.h: New file.
26074 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
26075 thumb-*-uclinux): New targets.
26076 * configure: Regenerate.
26078 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
26080 * pa.md (post_store, pre_load): New expanders.
26081 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
26082 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
26083 need to directly generate RTL for them.
26084 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
26087 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
26089 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
26090 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
26091 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
26092 (secndary_reload_class): Make TARGET_ELF conditional compile.
26093 (print_operand_address): Similar.
26094 (output_toc): Print all values as hex.
26095 (get_issue_rate): Rearrange and add RS64A and PPC630.
26096 * rs6000.h (processor_type): Add RS64A and PPC630.
26097 (PROCESSOR_POWERPC64): New.
26098 (PROMOTE_MODE): Use word_mode.
26099 (RTX_COSTS): Add RS64A and PPC630.
26100 * rs6000.md (scheduling information): Add lmul and ldiv
26101 representing 64-bit integer multiply and divide. Add rs64a and
26102 PPC630 information.
26103 (ashldi3): Add support for "rldic" instruction.
26104 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
26106 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
26108 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
26109 instead of V8 for sparclite86x in cpu_table.
26111 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26113 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
26114 output_file_directive.
26116 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
26118 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
26119 tree for op1, not the rtl.
26121 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
26123 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
26124 to m88k_va_start, leaving only the register spill.
26125 (m88k_build_va_list): New.
26126 (m88k_va_start): New.
26127 (m88k_va_arg): New.
26128 * m88k.h (BUILD_VA_LIST_TYPE): New.
26129 (EXPAND_BUILTIN_VA_START): New.
26130 (EXPAND_BUILTIN_VA_ARG): New.
26132 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
26134 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
26135 Rename from expand_builtin_saveregs.
26136 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
26138 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
26140 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
26141 for the register spill block.
26142 (i960_build_va_list): New.
26143 (i960_va_start): New.
26144 (i960_va_arg): New.
26145 * i960.h (BUILD_VA_LIST_TYPE): New.
26146 (EXPAND_BUILTIN_VA_START): New.
26147 (EXPAND_BUILTIN_VA_ARG): New.
26148 * i960.md (store_multiple): Use change_address on individul mems.
26150 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
26152 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
26154 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
26155 (expand_builtin_va_end): Evaluate arg for side effects.
26156 * c-common.c (c_common_nodes_and_builtins): Construct a
26157 va_list_arg_type_node to handle array decomposition to pointer.
26159 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
26161 * except.c (st_dynamic_cleanup): Use force_operand on the
26164 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
26166 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
26167 * c4x.c (c4x_va_arg): New.
26169 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
26171 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
26172 has manual_pop set.
26174 1999-07-26 Nathan Sidwell <nathan@acm.org>
26176 * eh-common.h (__eh_matcher): Prototype correctly.
26178 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
26180 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
26181 (TARGET_SINGLE_PIC_BASE): Likewise.
26182 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
26184 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
26185 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
26186 (TARGET_OPTIONS): Add -mpic-register=N.
26187 (OUTPUT_INT_ADDR_CONST): New macro.
26188 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
26189 LEGITIMATE_PIC_OPERAND_P): Likewise.
26190 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
26191 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
26192 output_addr_const directly.
26193 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
26195 (thumb_pic_register, thumb_pic_register_string): Declare.
26197 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
26199 (label_mentioned_p): New function: Imported from arm.c.
26200 (legitimize_pic_address): New function: Imported from arm.c.
26201 (is_pic):New function: Imported from arm.c.
26202 (thumb_finalize_pic):New function: Imported from arm.c.
26203 (add_constant): Cope with PIC constants.
26204 (fixit): Cope with PIC constants.
26205 (output_return): Do not treat the PIC register as live if
26206 TARGET_SINGLE_PIC_BASE is true.
26207 (thumb_function_prologue): Do not treat the PIC register as live if
26208 TARGET_SINGLE_PIC_BASE is true.
26209 (thumb_expand_prologue): Do not treat the PIC register as live if
26210 TARGET_SINGLE_PIC_BASE is true.
26211 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
26212 TARGET_SINGLE_PIC_BASE is true.
26213 (thumb_print_operand): Accept '|'.
26214 (thumb_override_options): Process PIC options.
26216 * config/arm/thumb.md (movsi): Support PIC.
26217 (call_insn): Change "i" constraint to "X".
26218 (call_value_insn): Likewise.
26219 (consttable_4, consttable_8, consttable_end): Set and clear
26220 "making_const_table" as appropriate.
26221 (pic_load_addr, pic_add_dot_plus_four): New insns.
26223 * invoke.texi (Thumb Options): Fix spelling. Document new
26224 options -msingle-pic-base and -mpic-register=.
26226 1999-07-26 Andrew Haley <aph@cygnus.com>
26228 * config/m32r/initfini.c (__init): Use a full word immediate for
26229 __fini: this allows it to be placed in any memory region.
26231 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
26232 -mmodel=medium. This is OK for all memory models.
26234 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
26236 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
26237 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
26239 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
26241 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
26244 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
26246 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
26248 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
26249 (BUILD_VA_LIST_TYPE): New.
26250 (EXPAND_BUILTIN_VA_START): New.
26251 (EXPAND_BUILTIN_VA_ARG): New.
26252 * i860.c (output_delayed_branch): Disable.
26253 (output_delay_insn): Likewise.
26254 (i860_saveregs): New.
26255 (i860_build_va_list): New.
26256 (i860_va_start): New.
26257 (i860_va_arg): New.
26258 * i860.md: Disable all peepholes using output_delayed_branch.
26259 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
26261 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
26263 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
26264 (BUILD_VA_LIST_TYPE): New.
26265 (EXPAND_BUILTIN_VA_START): New.
26266 (EXPAND_BUILTIN_VA_ARG): New.
26267 * clipper.c (clipper_builtin_saveregs): Only dump registers.
26268 Return the address of the save area.
26269 (clipper_build_va_list): New.
26270 (clipper_va_start): New.
26271 (clipper_va_arg): New.
26273 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
26275 * arc.h (EXPAND_BUILTIN_VA_START): New.
26276 (EXPAND_BUILTIN_VA_ARG): New.
26277 * arc.c (arc_setup_incoming_varargs): Set alias set of
26279 (arc_va_start): New.
26282 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
26284 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
26285 (BUILD_VA_LIST_TYPE): New.
26286 (EXPAND_BUILTIN_VA_START): New.
26287 (EXPAND_BUILTIN_VA_ARG): New.
26288 * alpha.c (alpha_builtin_saveregs): Delete.
26289 (alpha_build_va_list): New.
26290 (alpha_va_start): New.
26291 (alpha_va_arg): New.
26293 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
26295 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
26297 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
26298 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
26300 * gcc.texi: More changes related to list conversion.
26301 * invoke.texi: Likewise.
26303 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
26305 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
26306 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
26307 (expand_builtin_next_arg): Accept ARGLIST not EXP.
26308 (stabilize_va_list): New function.
26309 (std_expand_builtin_va_start): New function.
26310 (expand_builtin_va_start): New function.
26311 (get_varargs_alias_set): New function.
26312 (std_expand_builtin_va_arg): New function.
26313 (expand_builtin_va_arg): New function.
26314 (expand_builtin_va_end): New function.
26315 (expand_builtin_va_copy): New function.
26316 (expand_builtin): Call them.
26317 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
26318 __builtin_{varargs_start,stdarg_start,end,copy}.
26319 (build_va_arg): New function.
26320 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
26321 (build_va_arg): Declare.
26322 * c-decl.c (ptr_type_node, va_list_type_node): New.
26323 * c-parse.gperf (__builtin_va_arg): New.
26324 * c-parse.in (VA_ARG): New token.
26325 (unary_expr): Recognize it.
26326 * expr.c (expand_expr): Expand VA_ARG_EXPR.
26327 * expr.h (std_expand_builtin_va_start): Declare.
26328 (std_expand_builtin_va_arg): Declare.
26329 (expand_builtin_va_arg): Declare.
26330 (get_varargs_alias_set): Declare.
26331 * tree.def (VA_ARG_EXPR): New.
26332 * tree.h (BUILT_IN_VARARGS_START): New.
26333 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
26334 (ptr_type_node, va_list_type_node): Declare.
26335 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
26336 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
26337 * m88k.h, m88k.c: Likewise.
26338 * mn10300.h, mn10300.c: Likewise.
26339 * pa.h, pa.c: Likewise.
26340 * rs6000.h, rs6000.c: Likewise.
26341 * sh.h, sh.c: Likewise.
26342 * sparc.h, sparc.c: Likewise.
26344 * emit-rtl.c (operand_subword): Copy alias set.
26345 (change_address): Likewise.
26347 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
26349 * pa.c (compute_frame_size): Scan all the used callee saved registers,
26350 not just the first one.
26352 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
26354 * config/arm/arm.h (TARGET_SWITCHES): Add
26355 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
26356 (TARGET_OPTIONS): Add -mpic-register=.
26357 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
26358 (arm_pic_register_string): Declare.
26359 (NEED_PLT_GOT): Delete, replace with ...
26360 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
26361 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
26362 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
26363 * config/arm/arm.c (arm_override_options): Add new option
26365 (arm_pic_register_string): New variable.
26366 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
26367 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
26368 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
26369 (output_return_instruction): Likewise.
26370 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
26371 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
26372 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
26374 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
26375 mention of -msched-prolog. Document new options -msingle-pic-base
26376 and -mpic-register=.
26378 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
26380 * haifa-sched.c (reemit_notes): Tidy.
26381 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
26384 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
26386 * explow.c (trunc_int_for_mode): New function.
26387 (plus_constant_wide): Use it.
26388 * combine.c (simplify_and_const_int): Likewise.
26389 (merge_outer_ops): Likewise.
26390 (simplify_shift_const): Likewise.
26391 * cse.c (simplify_unary_operation): Likewise.
26392 (simplify_binary_operation): Likewise.
26393 * emit-rtl.c (operand_subword): Likewise.
26394 * rtl.h: Declare it.
26396 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26398 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
26399 (use NUM_REGS instead of NUM_INTS).
26401 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26403 * builtins.c: New file.
26404 * expr.c (saveregs_value, apply_args_value): Delete definition,
26405 moved into builtins.c.
26406 (string_constant): No longer static.
26407 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
26408 apply_args_size, apply_result_size, result_vector,
26409 expand_builtin_apply_args, expand_builtin_apply,
26410 expand_builtin_return): Delete functions, moved into builtins.c.
26411 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
26412 * expr.h (saveregs_value, apply_args_value): Declare variables.
26413 (expand_builtin, string_constant): Declare functions.
26414 * Makefile.in: Update to build builtin.o.
26416 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
26418 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
26419 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
26420 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
26421 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
26423 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
26426 1999-07-21 Michael Meissner <meissner@cygnus.com>
26428 * print-rtl.c (print_rtx): Print the names of the virtual
26431 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
26433 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
26434 introduced in previous delta.
26436 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26438 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
26439 to avoid name clash.
26441 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
26443 * c-lex.c (yylex) : Correct the test for overflow when lexing
26446 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
26448 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
26449 (adjust_priority): Always call ADJUST_PRIORITY.
26450 (schedule_insn): Only put insns into the ready at cost 0.
26451 (schedule_block): Remove redundant initial sort. Give clock_var
26452 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
26454 * tm.texi (MD_SCHED_REORDER): Update docs.
26456 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
26457 * sparc.c (ultra_reorder_called_this_block): Delete.
26458 (ultrasparc_sched_init): Don't set it.
26459 (ultrasparc_sched_reorder): Don't check it.
26461 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
26463 * rs6000.h (struct rs6000_args): Add sysv_gregno.
26464 * rs6000.c (init_cumulative_args): Init sysv_gregno.
26465 (function_arg_boundary): Align DFmode.
26466 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
26467 to get fp reg and stack overflow correct.
26468 (function_arg): Likewise.
26469 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
26470 (setup_incoming_varargs): Restructure for ABI_V4; use
26471 function_arg_advance to skip final named argument.
26472 (expand_builtin_saveregs): Properly unskip the last integer arg
26473 when doing varargs. Adjust overflow location calculation.
26475 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
26476 explicitly unsigned.
26477 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
26478 (__VA_GP_REGSAVE): Similarly.
26479 (__va_longlong_p): Delete.
26480 (__va_arg_type_violation): New declaration.
26481 (va_arg): Restructure. Flag promotion errors. Align double.
26482 TFmode passed by reference.
26484 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
26485 in the HOST_BITS_PER_WIDE_INT > 32 case.
26487 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
26489 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
26491 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
26493 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
26494 * toplev.c (documented_lang_options): Add -fpreprocessed.
26495 * cpplib.h (struct cpp_buffer): Add preprocessed.
26496 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
26497 (cpp_start_read): Don't expand macros or emit an initial #line
26498 directive if -fpreprocessed.
26500 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26502 * cpplib.h (struct cpp_buffer): Added manual_pop for
26503 better C++ tokenization.
26504 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
26505 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
26506 * c-common.c (cpp_token): Make non-static.
26508 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26510 * c-common.h: New file.
26511 * c-common.c (permanent_obstack): Delete unused declaration.
26512 (c_global_trees): New array.
26513 (c_common_nodes_and_builtins): New function; split off common code
26514 from init_decl_processing in both c-decl.c and cp/decl.c.
26515 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
26516 c_global_trees and accessor macros defined in c-common.h.
26517 Include c-common.h.
26518 * c-decl.c: Delete definitions for tree nodes that were replaced by
26520 (init_decl_processing): Build void_list_node.
26521 Call c_common_nodes_and_builtins; delete code to generate the common
26523 * objc/objc-act.c (build_module_descriptor): Rename variable
26524 void_list_node to avoid clash with c-common.h.
26526 * Makefile.in: Update dependencies.
26527 * objc/Make-lang.in: Likewise.
26529 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
26531 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
26532 (UNIQUE_SECTION_P): Likewise.
26533 (UNIQUE_SECTION): Likewise.
26535 1999-07-19 Linas Vepstas <linas@linas.org>
26537 * config/i370/README: New file.
26538 * config/i370/linux.h: New file.
26539 * config/i370/mvs.h: New file.
26540 * config/i370/oe.h: New file.
26541 * config/i370/t-linux: New file.
26542 * config/i370/t-mvs: New file.
26543 * config/i370/t-oe: New file.
26544 * config/i370/x-oe: New file.
26545 * config/i370/xm-linux.h: New file.
26546 * config/i370/xm-mvs.h: New file.
26547 * config/i370/xm-oe.h: New file.
26549 * i370.c (label_node_t): Add first_ref_page, label_addr,
26550 label_first_ref, label_last_ref members.
26551 (mvs_need_base_reload): Renamed from mvs_label_emitted.
26552 (MAX_MVS_LABEL_SIZE): Define.
26553 (MAX_LONG_LABEL_SIZE): Define.
26554 (alias_node_t, alias_anchor, alias_number): New.
26555 (mvs_function_table): Reorder for EBCDIC.
26556 (ascebc, ebcasc): Unconditionally define.
26557 (i370_branch_dest, i370_branch_length): New functions.
26558 (i370_short_branch, i370_label_scan): New functions.
26559 (mvs_get_label): Renamed from mvs_add_label. Search for
26560 an existing label before creating a new one.
26561 (mvs_add_label): New function.
26562 (mvs_get_label_page): New function.
26563 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
26564 over the entire list.
26565 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
26566 (mvs_check_page) [TARGET_ELF_ABI]: New function.
26567 (mvs_add_alias, mvs_need_alias): New functions.
26568 (mvs_get_alias, mvs_check_alias): New functions.
26569 (handle_pragma): New function.
26570 (mvs_function_check): New function.
26571 (unsigned_jump_follows_p): Search harder.
26572 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
26573 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
26574 * i370.h (TARGET_VERSION): Delete.
26575 (CPP_SPEC, CPP_PREDEFINES): Delete.
26576 (mvs_label_emitted): Delete.
26577 (TARGET_EBCDIC): Delete.
26578 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
26579 (HANDLE_PRAGMA): Define.
26580 (HARD_REGNO_NREGS): Handle complex modes.
26581 (HARD_REGNO_MODE_OK): Likewise.
26582 (CLASS_MAX_NREGS): Likewise.
26583 (RET_REG): Likewise.
26584 (EXTRA_CONSTRAINT): Define.
26585 (RETURN_IN_MEMORY): True for DImode.
26586 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
26587 (FUNCTION_PROFILER): Delete.
26588 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
26589 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
26590 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
26591 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
26592 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
26593 (ASM_FILE_START): Add "RMODE ANY".
26594 (ASM_OUTPUT_EXTERNAL): Check for aliases.
26595 (ASM_GLOBALIZE_LABEL): Likewise.
26596 (ASM_OUTPUT_LABELREF): Likewise.
26597 (ASM_OUTPUT_COMMON): Likewise.
26598 (PRINT_OPERAND): Handle 'K', 'W', default.
26599 (PRINT_OPERAND_ADDRESS): New.
26600 (Lots of defines): Add support for TARGET_ELF_ABI.
26601 * i370.md (attr length): New. Define for all patterns.
26602 (*): Lots of tweeks to assembly output and constraints.
26604 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
26606 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
26607 Disable patterns performing SImode comparisons with SImode values
26608 if TARGET_POWERPC64 and instruction does not sign-extend or does
26609 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
26610 differ for signed quantities.
26611 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
26612 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
26613 (decrement_and_branch_on_count): Add 64-bit variant.
26615 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26617 * final.c (output_asm_insn): When searching for the matching string
26618 for a given dialect, don't run past the end of the list of
26619 alternatives if there are fewer alternatives in the template than
26622 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
26624 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
26625 Removed paragraph about compression of files and size limitation,
26626 duplicated in the FAQ. Use gcc-patches for posting patches.
26627 * gcc.c (main): Updated URL with bug reporting instructions to
26628 gcc.gnu.org. Removed e-mail address.
26629 * system.h (abort): Likewise.
26631 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26633 * Makefile.in (stmp-multilib-sub): Make the files extracted
26634 from $(LIBGCC1) writable.
26636 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
26638 * config/arm/aout.h: Reformat for improved readability.
26640 * config/arm/arm.h: Reformat for improved readability.
26641 Replace uses of fprintf with asm_fprintf where appropriate.
26642 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
26643 function declaration assembler actions.
26644 (NUM_INTS): New macro: Convert from bytes to words.
26645 (NUM_REGS): New macro: Compute number of registers required to
26646 hold a quanitity of tyep MODE.
26647 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
26649 (NUM_ARG_REGS): New macro: The number of argument registers
26651 (ARG_REGISTER): New macro: Compute the register number of the Nth
26653 (LAST_ARG_REGNUM): New macro: The number of the last argument
26655 (SP_REGNUM): New macro: Register number of the stack pointer.
26656 (FP_REGNUM): New macro: Register number of the frame pointer.
26657 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
26658 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
26659 CUMULATIVE_ARGS so that it counts registers not bytes.
26661 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
26663 Replace uses of fprintf with asm_fprintf where appropriate.
26664 (output_ascii_pseudo_op): Replace with version from thumb.c
26666 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
26668 * config/arm/elf.h (CPP_PREDEFINES): Replace with
26669 SUBTARGET_CPP_SPEC.
26670 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
26671 (ASM_FILE_START): Emit ASM_APP_OFF.
26673 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
26675 * pa.c (compute_frame_size): Round frame according to
26676 STACK_BOUNDARY rather than a hardwired value.
26678 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
26680 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
26682 * configure: Rebuilt.
26684 * configure.in (hppa*-*-linux*): New configuration.
26685 * configure: Rebuilt.
26686 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
26687 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
26688 * pa/pa-linux.h: New file.
26689 * pa/t-linux: New file.
26690 * pa/xm-linux.h: New file.
26692 * pa.c (hppa_legitimize_address): Change references from SImode to
26693 either Pmode or word_mode as appropriate.
26694 (emit_move_sequence, store_reg, load_reg): Likewise.
26695 (set_reg_plus_d, hppa_expand_prologue): Likewise.
26696 (output_mul_insn): Likewise.
26697 * pa.h (PROMOTE_MODE): Likewise.
26698 (INITIALZE_TRAMPOLINE): Likewise.
26699 (Pmode): Define to word_mode.
26701 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
26702 value of 4. Allocate 8 bytes for each FP register save.
26703 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
26705 (hppa_expand_prologue): Likewise.
26706 * pa.h (PROMOTE_MODE): Likewise.
26707 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
26708 (FUNCTION_ARG_BOUNDARY): Likewise.
26710 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
26712 * pa.c (out_of_line_prologue_epilogue): Delete.
26713 (override_options): Remove -mspace related code.
26714 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
26715 (compute_frame_size): Only allocate space for register that
26716 actually need to be saved.
26717 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
26718 (TARGET_SWITCHES): Remove -mspace, -mno-space
26719 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
26720 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
26721 * pa/ee.asm, pa/ee_fp.asm: Delete.
26723 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
26725 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
26726 directive in column zero.
26728 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
26730 * m68k.c (output_function_prologue): Fix computation of save mask
26731 when generating PIC code.
26733 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
26735 * tree.c (build_type_attribute_variant): Move current_obstack restore
26736 after build_qualified_type call.
26738 1999-07-15 Mark Mitchell <mark@codesourcery.com>
26740 * configure.in: Use t-iris6, even with GNU LD.
26741 * config/mips/iris6gld.h: Fix typo in linker spec.
26742 * config/mips/t-iris6gld: Remove.
26744 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
26746 * rs6000.md (insv, extzv): Remove SImode dependence in named
26747 patterns. Explicitly generate DImode RTL if PowerPC64 and
26749 (insvdi): Reverse start and size in instruction template.
26751 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
26753 * invoke.texi: Typo fixes.
26755 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
26757 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
26758 handle at this time instead of silently generating incorrect code.
26759 (gen_imagpart): Likewise.
26761 * reload.c (find_reloads): Emit a USE for a pseudo register without
26762 a hard register if we could not create an optional reload for the
26765 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26767 * c-typeck.c (output_init_element, process_init_element):
26768 When advancing constructor_unfilled_fields for a RECORD_TYPE,
26769 check for nameless bit fields.
26771 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
26773 * regclass.c (scan_one_insn): Notice subregs that change the
26774 size of their operand.
26775 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
26777 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
26779 * configure.in (alpha*-*-*): Include alpha/t-ieee.
26780 * configure: Rebuilt.
26781 * alpha/t-ieee: New file.
26783 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
26785 * rs6000.c (find_addr_reg): Do not select r0 as an address
26788 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
26790 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
26792 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
26794 * rs6000.md (movsf): Do not force easy FP constants into memory.
26796 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
26797 immed_double_const to ensure they are properly truncated then
26800 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26802 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
26803 always unless NO_DEBUG is used. Compile this code
26805 (replace_symbols_in_block): Compile it unconditionally.
26807 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
26809 * configure.in (i?86-*-elf*): New target.
26810 * configure: Rebuilt.
26811 * i386/i386elf.h, i386/t-i386elf: New files.
26813 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26815 * toplev.c (main): Don't complain about saying -gdwarf.
26816 (rest_of_compilation): Remove redundant code.
26818 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
26820 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
26822 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
26824 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
26825 "Li960R:", to avoid name clash.
26827 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26829 * loop.c (check_dbra_loop): When reversing a loop, delete all
26830 REG_EQUAL notes referencing the reversed biv except those which are
26831 for a giv based on it.
26833 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
26835 * version.c: Drop "gcc-" prefix from version #.
26837 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
26839 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
26840 the label if we're being verbose.
26842 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
26844 * m68k.c (output_function_prologue): Add pic register to mask
26845 if live and flag_pic.
26846 (output_function_epilogue): Likewise.
26848 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
26850 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
26851 directives in column zero.
26853 * pa/elf.h (ASM_FILE_START): Define.
26854 * pa/som.h (ASM_FILE_START): Include .level directives.
26855 * pa/hpux10.h (ASM_FILE_START): Delete.
26856 * pa/hpux11.h (ASM_FILE_START): Delete.
26858 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
26860 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26862 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
26863 when reload_out equals reload_in.
26865 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
26867 * invoke.texi (Spec Files): New node: Describe the contents of
26870 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
26872 * invoke.texi (DEC Alpha Options): Put @end table at
26873 beginning of line, to avoid confusing texi2html.
26875 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
26877 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
26878 introduced in previous delta.
26880 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26882 * reload1.c (gen_reload): When synthesizing a 3 operand add
26883 sequence, improve test for when to reload OP1 into the reload
26884 register instead of OP0.
26886 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
26888 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
26890 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
26892 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
26895 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
26897 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
26898 (va_dcl): Use __builtin_va_alist_t.
26900 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
26902 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
26903 on the permanent_obstack.
26904 * dwarfout.c (output_type): Likewise.
26906 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
26908 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26909 Merged from c-typeck.c and cp/typeck.c.
26910 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26911 Merged into c-common.
26913 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
26915 * c-lex.c (errorcount): Declare it.
26916 (finish_parse): Update errorcount when using CPPLIB.
26918 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
26920 * fixinc/inclhack.def(end_else_label): Double the backslash so
26921 sed gets a chance to see it.
26922 * fixinc/inclhack.sh: regen
26923 * fixinc/fixincl.x: regen
26925 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
26927 Add framework to support armv5 architecture when it becomes
26930 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
26931 (arm_arch5): New variable.
26932 (all_architectures): Add armv5 line.
26933 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
26934 -march=armv5 is specified on the command line.
26935 (arm_arch5): Export this variable.
26936 * invoke.texi: Document new string accepted by -march= switch for
26939 * config/arm/arm.h: Replace use of constant 12 as a register
26940 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26941 * config/arm/arm.c: Replace use of constant 12 as a register
26942 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
26944 * config/arm/elf.h: Tidy up.
26945 * config/arm/coff.h: Tidy up.
26947 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
26949 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
26950 * gcc/config/mips/t-iris6gld: New file.
26951 * gcc/config/mips/iris6gld.h: Likewise.
26953 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
26955 * c-decl.c (widest_integer_literal_type_node,
26956 widest_unsigned_literal_type) : New.
26957 (init_decl_processing): Handle/use the two new types.
26958 * c-common.c (type_for_size,type_for_mode) : Same.
26959 * c-lex.c (yylex) : Same.
26960 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
26962 * c-tree.h (widest_integer_literal_type_node,
26963 widest_unsigned_literal_type) : New.
26965 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
26967 * dwarfout.c (field_byte_offset): Correctly compute the object's
26968 byte offset for the first bit of a field which crosses an alignment
26969 boundary on a !BYTES_BIG_ENDIAN target.
26971 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
26973 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
26976 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
26977 Jeff Law <law@cygnus.com>
26979 * ginclude/varargs.h (va_dcl): Use word_mode for type of
26982 * except.c: Include intl.h.
26983 (expand_eh_return): Set current_function_cannot_inline.
26984 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
26985 * function.h (struct function): Add eh_return_stub_label.
26986 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
26987 * Makefile.in (except.o): Depend on intl.h.
26989 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
26991 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
26992 same as offsettable in cases 1 and 2.
26994 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
26996 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
26997 (extlh, extwh): Likewise.
26999 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27001 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
27003 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
27005 * configure.in: Add arm-pe and thumb-pe targets.
27006 * configure: Regenerate.
27008 * thumb.c (arm_naked_function_p): New function: Determines if
27009 a function is naked (has no gcc generated prologue/epilogue).
27010 (is_called_in_ARM_mode): Return true if the func has the
27011 interfacearm attribute.
27012 (output_return): Do not generate a return for naked functions.
27013 (thumb_function_prologue): Do not generate a prologue for
27015 (thumb_expand_prologue): Do not generate a prologue for naked
27017 (thumb_expand_epilogue): Do not generate an epilogue for naked
27019 (arm_valid_machine_decl_attribute): New function, copied from
27020 arm.c: Permit naked and interfacearm attributes.
27022 * config/arm/pe.c: New file: Support code for arm-pe target.
27023 * config/arm/pe.h: New file: Header file for arm-pe target.
27024 * config/arm/tpe.h: New file: Header file for thumb-pe target.
27025 * config/arm/t-thumb-pe: New file: Makefile fragment for
27028 1999-07-01 Mark Kettenis <kettenis@gnu.org>
27030 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
27031 -fPIC or -fpic is specified.
27033 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
27035 * expr.c (emit_block_move): Use copy_to_mode_reg for
27036 !TARGET_MEM_FUNCTIONS case too.
27038 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
27040 * configure: Rebuilt.
27041 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
27042 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
27043 definitions made redundant by dbxelf.h inclusion. Delete
27044 lots of definitions related to assembly output that are
27045 specific to the SOM object format.
27046 * pa.c (output_function_prologue): Do not emit the function's
27048 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
27049 * pa-pro.h: Deleted.
27050 * som.h: New file with SOM specific definitions.
27051 * elf.h: New file with ELF specific definitions.
27053 * elfos.h (const_section): Output a tab before assembler directives.
27054 (ctors_section, dtors_section): Likewise.
27055 (ASM_OUTPUT_SECTION_NAME): Likewise.
27057 * pa/pa1.h: Delete unused file.
27059 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
27061 * configure.in (hppa*-hp-hpux11*): New configuration.
27062 * configure: Rebuilt.
27063 * pa/pa-hpux11.h: New file.
27064 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
27067 * mips.md (leasi, leadi): New patterns.
27069 * expr.c (emit_block_move): Properly handle case where one of the
27070 block move arguments has a queued increment or decrement.
27071 (clear_storage): Similarly. Fix formatting goof.
27073 1999-06-28 "David O'Brien" <obrien@NUXI.com>
27075 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
27076 semicolon from the BSD VA_LIST replacement expression.
27078 * fixinc/inclhack.sh: regen
27079 * fixinc/fixincl.x: regen
27081 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
27082 now use the fixincl program.
27084 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
27086 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
27087 case. Also make the PIC register call_used.
27089 * m68k.h (FINALIZE_PIC): Delete.
27090 * m68k.c (finalize_pic): Delete.
27092 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
27094 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
27097 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
27099 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
27101 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
27103 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
27105 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
27107 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
27109 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
27111 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
27113 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
27115 * rs6000.c (output_toc): Always use hex values for floating-point
27116 constants. Store single-precision values in upper-half of TOC
27117 entry in 64-bit mode.
27118 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
27119 to final constraints.
27120 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
27121 (fctiwz): Improve accuracy of RTL for pattern.
27123 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
27125 * expr.c (expand_expr): Allow RTL_EXPR's through the
27126 MAX_INTEGER_COMPUTATION_MODE checks.
27128 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
27130 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
27131 such that MASK_SUPPORT_ARCH is not negative.
27133 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
27135 * loop.c (verify_dominator): Properly handle ADDR_VEC and
27136 ADDR_DIFF_VEC insns that appear inside loops.
27138 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
27139 Jeff Law <law@cygnus.com>
27141 * rs6000.md (movdf_hardfloat32): Revert previous patch.
27142 Handle LO_SUM the same as offsettable in cases 1 and 2.
27143 * rs6000.c (find_addr_reg): Revert previous patch.
27145 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
27147 * system.h (strstr): New external function declaration.
27148 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
27149 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
27150 * config.in, configure: Rebuilt.
27152 1999-06-24 Tom Tromey <tromey@cygnus.com>
27154 * gcc.c (main): Read user-specified specs files after computing
27155 additional startfile_prefixes.
27157 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
27159 Revert these two patches:
27161 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27162 * loop.c (strength_reduce): When doing biv->giv conversion, update
27163 reg note of NEXT->insn.
27165 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27166 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27168 (recombine_givs): Set ix field after sorting.
27170 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27172 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
27173 for the parts of an UNSPEC / UNSPEC_VOLATILE.
27175 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
27177 *fixinc/inclhack.def: Add fix development commentary
27178 (read_ret_type): reactivate and add selection clause
27179 (zzz_*): tweak output file name to match what is used in hackshell.tpl
27180 *fixinc/{fixincl.x|inclhack.sh}: regen
27182 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
27184 * expr.c (expand_expr): STRIP_NOPS before checking against
27185 MAX_INTEGER_COMPUTATION_MODE
27186 (check_max_integer_computation_mode): Likewise.
27188 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
27190 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
27192 1999-06-22 Jim Wilson <wilson@cygnus.com>
27194 * expr.c (store_expr): When target is a promoted subreg, return a
27195 promoted subreg as a result.
27197 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
27199 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
27201 (dwarf2out_define): Mark unused parameters appropriately.
27202 (gen_unspecified_parameters_die): Ditto.
27203 (gen_subprogram_die): Fix signed/unsigned warnings.
27204 (gen_variable_die): Ditto.
27206 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
27208 * fixinc/inclhack.def(end_else_label): combined else_label
27209 and endif_label and fixed the sed expression.
27210 *fixinc/{fixincl.x|inclhack.sh}: regen
27212 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
27214 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
27215 'x' when handling non-offsettable addresses
27217 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
27219 * final.c (shorten_branches): Don't try to split an insn that has
27222 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
27224 * config/mips/mips.c (symbolic_expression_p): New function.
27225 (mips_select_rtx_section): Put symbolic expressions in the
27226 data section, not the read-only data section.
27228 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
27230 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
27232 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
27234 * collect2.c (main): Log frame table count.
27235 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
27236 (scan_prog_file) [COFF]: Handle frame tables.
27238 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
27239 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
27240 * alpha/elf.h: Undef them again.
27241 * alpha/vms.h: Remove their definitions.
27243 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27245 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
27246 remove the clobber of r0 and change the REG_UNUSED note to
27249 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
27251 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
27252 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
27253 fits in HOST_WIDE_INT and one uses union to access a long constant
27256 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
27258 * sparc.c (sparc_override_options): Don't allow profiling for
27259 code models other than medlow.
27260 (sparc_function_profiler): New function from old FUNCTION_PROFILER
27261 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
27262 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
27263 (sparc_block_profiler): Likewise.
27264 (sparc_function_block_profiler_exit): Likewise.
27265 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
27266 (FUNCTION_BLOCK_PROFILER): Likewise.
27267 (BLOCK_PROFILER): Likewise.
27268 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
27269 (MCOUNT_FUNCTION): New.
27270 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
27271 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
27272 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
27273 (MCOUNT_FUNCTION): New.
27274 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
27275 (BLOCK_PROFILER): Delete.
27276 (MCOUNT_FUNCTION): New.
27278 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
27280 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
27282 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27284 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27287 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27290 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27293 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
27296 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
27298 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
27301 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
27303 * i386/djgpp.h (LIB_SPEC): New.
27304 (STARTFILE_SPEC): New.
27306 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
27308 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
27310 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
27313 * system.h (WSTOPSIG): New macro.
27315 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
27317 * c-pragma.c (push_alignment): Don't ignore alignments greater than
27319 (insert_pack_attributes): Take into account member natural
27322 * i386/winnt.c (exports_head): New static variable.
27323 (i386_pe_record_exported_symbol): New function.
27324 (i386_pe_asm_file_end): Use.
27325 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
27326 symbols to be emitted at end of assembly.
27327 (ASM_DECLARE_OBJECT_NAME): Likewise.
27328 (ASM_DECLARE_FUNCTION_NAME): Likewise.
27330 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
27333 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
27335 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
27338 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
27340 * haifa-sched.c (sched_analyze_1): Use free_list instead of
27341 zapping reg_last_uses directly.
27342 (sched_analyze_2, sched_analyze_insn): Likewise.
27343 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
27345 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
27347 * rs6000.md (movdf_hardfloat32): Use worst case insn length
27348 attributes for cases 1 and 2.
27350 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
27352 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
27355 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
27357 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
27359 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
27361 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
27362 PIC_OFFSET_TABLE_REGNUM for general alloaction.
27363 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
27364 must be stacked if it is used for PIC accesses.
27365 * arm.c (use_return_insn): Handle PIC register specially.
27366 (output_return_instruction): Likewise.
27367 (output_func_{prologue,epilogue}): Likewise.
27368 (output_expand_prologue): Likewise.
27370 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
27371 (*strsi_predec): Renamed from *strqi_predec.
27372 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
27373 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
27375 * arm.c (arm_override_options): Remove warning about PIC code
27376 not being supported.
27378 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
27380 * rs6000.c (find_addr_reg): New function.
27381 * rs6000.h (find_addr_reg): Declare.
27382 (offsettable_addr_operand): Delete.
27383 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
27384 from and stores to GPRs.
27386 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
27388 * alpha.c (alpha_expand_block_move): Use get_insns rather than
27389 gen_sequence as argument to emit_no_conflict_block.
27391 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27393 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
27394 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
27395 *fixinc/fixincl.x: regen
27396 *fixinc/inclhack.sh: regen
27398 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
27400 * added support for -mpcrel (PC relative addressing for m68k)
27401 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
27402 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
27403 * m68k.c (print_operand_address): Handle 32-bit PIC case.
27404 (comments for general_src_operand): Add some explanation
27405 about EXTRA_CONSTRAINTS.
27406 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
27407 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
27408 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
27409 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
27410 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
27411 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
27412 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
27413 if not already set.
27414 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
27415 * m68k.h (TARGET_PCREL): New target flag.
27416 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
27417 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
27418 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
27419 contains a SYMBOL_REF. Relax this constraint during reload, since
27420 we want to use the predicates, not reload's built-in concept of a
27421 valid memory address, to control what insns need reloading.
27422 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
27423 operands (essentially 'g', 'm', and 's' under normal circumstances).
27424 * m68k.c (print_operand): Cause printing of pc-relative addresses
27425 to include pc register.
27426 (print_operand_address): Ditto.
27427 (general_src_operand): Accept operands that are not only
27428 general_operands, but are also valid when used as a pc-relative
27430 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
27431 (memory_src_operand): Similar, for memory_operands.
27432 (pcrel_address): New predicate to accept the special case of a
27433 pc-relative address.
27434 * m68k.md (many patterns): Rewrite common SImode, HImode, and
27435 QImode insns to accept *_src_operand instead of *_operand where
27436 pc-relative operands can fit. For example, a pc-relative operand
27437 can be used as a memory source operand for addsi3, but not as a
27438 memory destination.
27439 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
27441 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
27443 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
27444 .thumb_set pseudo op to mark aliases of thumb functions.
27446 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
27448 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
27449 preference to ASM_OUTPUT_DEF, if it is defined.
27451 * tm.texi: Document new, optional target macro
27452 ASM_OUTPUT_DEF_FROM_DECLS.
27454 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27456 * fixincludes: ISCNTL patch
27457 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
27458 (dgux_int_varargs): new for DG/UX
27459 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
27461 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
27463 * invoke.texi (ia32 options): Fix typo.
27465 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27467 * loop.c (strength_reduce): When doing biv->giv conversion, update
27468 reg note of NEXT->insn.
27470 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
27472 * loop.c (move_movables): Note issues with replacing REGs with
27474 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
27476 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
27478 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
27480 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
27481 the reference to `mcount' was not correct for the ELF on FreeBSD.
27483 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27485 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
27488 (recombine_givs): Set ix field after sorting.
27490 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
27492 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
27493 to safe to extract a subword out of a REG.
27495 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27497 * sh.md (mulsi3): Don't add a no-op move at the end.
27499 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27501 * cse.c (cse_insn): Don't put hard register source into tables for
27502 the last insn of a libcall.
27504 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27506 * loop.c (strength_reduce): Insert sets of derived givs at every
27507 biv increment, even if it's the only one.
27509 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
27511 * dwarfout.c (add_incomplete_type): New fn.
27512 (output_type): Call it.
27513 (retry_incomplete_types): New fn.
27514 (dwarfout_finish): Call it.
27516 From Eric Raskin <ehr@listworks.com>:
27517 (output_type): Output types for bases.
27519 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
27521 * mips.c (mips_output_conditional_branch): Add `break'
27522 between `default' label and `close braces'.
27524 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
27526 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
27527 specifications and make it realistic.
27528 (LIB_SPEC): Likewise.
27530 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
27532 * config/mips/mips.c (mips_secondary_reload_class): Check for
27533 (PLUS (SP) (REG)) and return appropriate register class.
27534 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
27535 Handle (PLUS (SP) (REG)).
27536 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
27537 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
27538 of emit_insn for tablejump.
27540 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
27542 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
27543 asm_fprintf format string by itself.
27544 (output_function_profiler): Likewise.
27546 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
27548 * combine.c (simplify_logical, case AND): Only call
27549 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
27550 or the constant is positive.
27552 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
27554 * configure.in: Fix typo in rs6000-ibm-aix4 case.
27555 * configure: Regenerate.
27557 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
27559 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
27560 require a sub-version #.
27561 * configure: Rebuilt.
27563 1999-06-14 Robert Lipe (robertlipe@usa.net)
27565 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
27567 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
27569 * c-typeck.c (process_init_element): Detect excess elements in
27570 char array initializer.
27572 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
27574 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
27576 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27578 * invoke.texi (Option Summary): Add -fpermissive flag.
27580 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
27582 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
27583 that require PIC code sequences.
27585 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
27587 * configure.in: Add new target: thumb-elf.
27588 * configure: Regenerate.
27589 * config/arm/t-thumb-elf: New file: Makefile fragment for
27591 * config/arm/telf.h: New file: Header file for thumb-elf
27594 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
27596 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
27597 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
27598 initializers is some circumstances.
27600 * fixinc/inclhack.def (endif_label): Add additional selector for
27601 more bogus stuff after #endif statements.
27602 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
27604 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
27606 * i386/cygwin.h (SET_ASM_OP): Define.
27608 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
27610 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
27612 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27614 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
27617 * sh.md (ic_invalidate_line_i): Remove second alternative.
27619 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27621 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
27622 test for the presence of valid prototypes. Delete bypass expr.
27623 (ioctl_fix_ctrl): Correct the selection expression.
27624 (no_double_slash): Correct quoting rules
27625 *fixinc/fixincl.x: regen
27626 *fixinc/inclhack.sh: regen
27628 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
27630 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
27632 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27634 * rs6000.md (movsi_got_internal_mem): Delete.
27635 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
27636 (GOT_TOC_REGNUM): Delete.
27637 (PIC_OFFSET_TABLE_REGNUM): Define.
27638 (FINALIZE_PIC): Disable.
27639 * rs6000.c (rs6000_got_register): New code for fixed pic register.
27640 (rs6000_replace_regno): Delete.
27641 (rs6000_finalize_pic): Likewise.
27642 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
27644 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27646 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
27647 is a note; use <= for the compare; advance P while it is
27650 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
27652 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
27653 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
27655 * varasm.c (remove_from_pending_weak_list): Verify t->name
27656 is non-NULL before passing it to strcmp.
27658 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27660 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
27661 the typed arguments are not part of a comment
27662 (ioctl_fix_ctrl): Added a purpose comment
27663 *fixinc/fixincl.x: regenerate
27664 *fixinc/inclhack.sh: regenerate
27666 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27668 * invoke.texi: Add C4x invocation docs.
27670 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
27672 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
27674 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
27676 (c4x_legitimize_reload_address): New function.
27677 * config/c4x/c4x.md: Update docs.
27679 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
27681 * fixincludes: Avoid removing '.'.
27682 * fixinc/fixinc.svr4: Likewise.
27683 * fixinc/fixinc.winnt: Likewise.
27684 * fixinc/inclhack.tpl: Likewise.
27685 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
27687 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27689 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
27691 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
27693 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
27695 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
27698 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
27700 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
27701 * configure: Regenerate.
27703 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
27705 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
27708 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
27710 * fixinc/inclhack.def (avoid_bool): Also catch
27711 "typedef [unsigned] int bool".
27712 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27714 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
27715 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
27716 * configure: Rebuilt.
27718 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
27720 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
27721 such that we can override its definitions if necessary.
27722 (CPP_SPEC): New define. Support processor specific predefines via
27724 (CC1_SPEC): New define. Support processor specific compiler
27725 options via %(cc1_cpu).
27726 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
27729 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27731 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
27732 between sed's -e flag, and the open-quote following it.
27733 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
27735 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
27736 Jeffrey A Law (law@cygnus.com)
27738 * varasm.c (assemble_start_function): Remove the function
27739 from the pending weak decls list when we define a function.
27740 (assemble_variable): Similarly for variables.
27741 (weak_finish): Ignore items on the list with a NULL name.
27742 (remove_from_ending_weak_list); New function to "remove" an item
27743 from the pending weak declarations list.
27745 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
27747 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
27749 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
27751 * c-lex.c (GETC): Redefine to call getch.
27752 (UNGETC): Redefine to call put_back.
27753 (putback_buffer): New structure type.
27754 (putback): New static structure.
27755 (getch): New function.
27756 (put_back): New function.
27757 (yylex): Replace unused bytes from bad multibyte character.
27759 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
27761 * cpplib.c (do_define): Cast `alloca' return value.
27762 (do_include, do_undef, do_pragma): Likewise.
27763 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
27765 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
27766 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
27768 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
27770 * sparc.md (abstf2): This should be an expand.
27771 (split after abstf2_notv9): Fix mode.
27772 (abstf2_hq_v9): New pattern.
27773 (abstf2_v9): Only use when no hard quad.
27774 (absdf2_v9): Fix if target is not the same as source.
27775 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
27776 Add correct output constraints.
27778 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
27780 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
27781 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
27783 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
27785 * mips.h (mips_output_conditional_branch): New function.
27786 (mips_adjust_insn_length): Likewise.
27787 (ASSEMBLER_SCRATCH_REGNUM): New macro.
27788 (ADJUST_INSN_LENGTH): Likewise.
27789 * mips.c (print_operand): Add `F' and `W' for floating-point
27790 comparison opcodes.
27791 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
27793 (mips_adjust_insn_length): New function.
27794 (mips_output_conditional_branch): New function.
27795 * mips.md (length): Adjust attribute definition to handle
27796 conditional branches. Change lengths to bytes, rather than
27797 instructions throughout. Remove length attribute from
27798 instructions whose length is four bytes, and rely on the default
27800 (dslot): Fix typo in comment.
27801 Reword conditional branch patterns to use
27802 mips_output_conditional_branch.
27804 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
27806 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
27807 (LIB_SPEC): Likewise.
27808 Link with -lprof1_r for -g/-pg.
27810 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27812 * loop.c (check_dbra_loop): Fix change of Jan 19.
27814 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
27816 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
27817 (STARTFILE_SPEC): Define, override the svr4.h version.
27818 (ENDFILE_SPEC): Likewise.
27820 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
27822 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
27823 * fixinc/fixincl.x: Regenerated.
27824 * fixinc/inclhack.sh: Regenerated.
27826 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27828 * sh.c (barrier_align): Don't return early for normal branch/barrier
27829 when optimizing for SH2.
27831 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
27833 * i386/udk.h (LINK_SPEC): Correct linker search path for
27836 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27838 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
27839 (braf_label_ref_operand): Delete.
27840 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
27841 * sh.md (casesi_jump_2): Operand1 is now the inside of a
27842 label_ref, and has no predicate.
27843 The patten has a predicate to guard against invalid substitutions.
27844 (dummy_jump): Delete.
27845 (casesi): Update use of casesi_jump_2.
27847 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27849 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
27850 *fixinc/fixincl.x: regenerate
27851 *fixinc/inclhack.sh: regenerate
27853 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
27855 * dwarf2out.c (add_incomplete_type): New fn.
27856 (gen_struct_or_union_type_die): Call it.
27857 (retry_incomplete_types): New fn.
27858 (dwarf2out_finish): Call it.
27860 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
27862 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
27863 current block starts with a CODE_LABEL and ends with a CALL and
27864 we can not find all the argument setup instructions for the CALL.
27866 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
27868 Revert this change:
27869 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
27870 something is a candidate for optimize_bit_field_compare.
27872 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27874 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
27876 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
27878 * alpha.c (override_options): Thinko in last patch.
27880 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
27881 (LIB_SPEC): Recognize -pthread.
27883 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
27885 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
27886 definition in config/arm/coff.h
27887 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
27889 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27891 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
27892 fixes that need "file=xxx\n" prepended before invocation
27893 (start_fixer - new): starting the fixer process is complex enough
27894 to warrent its own routine. It prepends the "file=xxx\n" stuff.
27895 (process): uses the new routine; omit usage of putenv()
27896 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
27897 * fixinc/fixincl.x: regenerate
27899 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
27901 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
27902 and version #s (1.1 -> 2.96) as needed.
27903 * README.g77: Kill way out of date file in the toplevel directory.
27905 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
27907 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
27908 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
27909 * configure: Rebuilt.
27910 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
27911 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
27912 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
27913 (SWITCH_TAKES_ARG): Likewise.
27914 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
27915 * config/t-freebsd: Moved from config/i386/ so it can used for all
27918 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
27920 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
27922 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
27924 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
27925 * configure: Rebuilt.
27927 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
27929 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
27930 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
27931 * rs6000/rs6000.c (rs6000_file_start): Use putc.
27932 (rs6000_output_load_toc_table): Same.
27933 (output_prolog, output_mi_thunk): Same.
27934 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
27935 (ASM_GLOBALIZE_LABEL): Use putc.
27937 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
27939 * alpha.md (reload_*_help): New patterns and splitters.
27940 (reload_*): Use them.
27941 (mov[qh]i): Likewise.
27943 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
27945 * cccp.c (handle_directive): Handle backslash-newlines in quoted
27948 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
27950 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
27952 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
27954 * flow.c (mark_regs_live_at_end, insn_dead_p,
27955 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
27956 and HARD_FRAME_POINTER_REGNUM special treatment if reload
27957 hasn't run or the frame pointer is needed.
27958 * haifa-sched.c (attach_deaths): Likewise.
27959 * sched.c (attach_deaths): Likewise.
27961 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
27963 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
27964 calculate_can_reach_end returns nonzero.
27966 * configure.in (native gas tests): Search for an assembler in the
27967 same manner that the installed compiler will.
27968 * configure: Rebuilt.
27969 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
27971 * alias.c (find_base_term): Improve handling of addresses
27972 constructed from binary operations.
27974 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
27976 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
27978 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
27980 * function.h (cleanup_label, frame_offset): Declare.
27981 (tail_recursion_label, tail_recursion_reentry): Likewise.
27982 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27983 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
27984 (tail_recursion_label, tail_recursion_reentry): Likewise.
27985 (arg_pointer_save_area, rtl_expr_chain): Likewise.
27987 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
27989 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
27991 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
27992 (MAX_OFILE_ALIGNMENT): Define.
27994 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
27996 * fixincl.c: Replace local include scheme with #includes of
27997 gansidecl.h and system.h.
27998 * procopen.c: Likewise.
27999 * server.c: Likewise.
28001 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
28003 * i386/t-dgux (EXTRA_PARTS): Add crti.o
28004 (crti.o): Add build rule and dependencies.
28005 * fixinc/fixinc.dgux: Use modified _int_varargs.h
28007 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28009 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
28010 (LIB_LINUX_SPEC): Likewise.
28011 (LIB_LINUX_SPEC): Add support for -pthread
28012 (CPP_OS_LINUX_SPEC): Likewise.
28013 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
28016 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
28018 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
28020 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
28021 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
28022 for IEEE math and CC_FCOMI.
28023 (put_jump_code): No IEEE if CC_FCOMI is set.
28025 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28027 * fold-const.c (fold_truthop): Make the field reference unsigned
28028 when converting a single bit compare.
28030 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28032 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
28034 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
28036 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
28037 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
28040 * reload.c (push_reload): Do not call remove_address_replacements
28041 when presented with identical optional reloads.
28043 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
28045 * alpha.h (MASK_FIX, TARGET_FIX): New.
28046 (MASK_*): Reorganize constants.
28047 (CPP_AM_FIX_SPEC): New.
28048 (TARGET_SWITCHES): Add FIX.
28049 (EXTRA_SPECS): Likewise.
28050 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
28051 (SECONDARY_MEMORY_NEEDED): Likewise.
28052 (REGISTER_MOVE_COST): Likewise.
28053 * alpha.c (override_options): Add FIX support. Always use
28054 ALPHA_TP_PROG for ev6.
28055 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
28056 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
28057 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
28059 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
28061 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28062 something is a candidate for optimize_bit_field_compare.
28064 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
28066 * gcc.texi (Passes): Document branch-shortening.
28067 * invoke.texi (Debugging Options): Document the fact that `-dp'
28068 outputs length information for instructions.
28070 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
28072 * flow.c: Revert previous delta.
28074 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
28076 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
28077 FRAME_POINTER_REGNUM.
28078 (mark_set_1): Ditto.
28079 (mark_used_regs): Ditto.
28081 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
28083 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
28084 (GOT_PCREL): New macro. Define to 1 if not already defined.
28085 * arm/elf.h (GOT_PCREL): Define to 0.
28086 * arm.c (arm_finalize_pic): Take into account the setting of
28089 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
28091 * output.h (STRIP_NAME_ENCODING): Provide default definition.
28092 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
28094 * flow.c (mark_set_1): Do not record BLKmode stores as dead
28095 store elimination candidates.
28097 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
28099 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
28102 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
28104 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
28105 Add use of x-aix41-gld.
28107 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
28109 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
28110 (ASM_OUTPUT_DESTRUCTOR): Define.
28112 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
28114 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
28115 last CODE_LABEL in a loop if we have previously passed a jump
28116 to the top of the loop.
28118 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
28120 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
28121 applying Philip's patch.
28123 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
28125 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
28128 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
28130 * loop.c (strength_reduce): Grow reg_single_usage as needed.
28132 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
28134 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
28135 Also remove a useless comment.
28137 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28139 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
28141 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
28143 * collect2.c (main): Only generate import or export file and add
28144 to link arguments if non-empty. Use xmalloc not alloca.
28145 (write_{export,import}_file): Delete.
28146 (write_aix_file): New function.
28147 (locatelib): Use xmalloc not malloc.
28148 (GCC_OK_SYMBOL): Do not check type if aix64.
28150 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
28152 Based on patch by Scott Bambrough and Pat Beirne:
28153 * config/arm/arm.c (making_const_table): New variable.
28154 * config/arm/arm.h (making_const_table): Declare.
28155 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
28157 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
28158 Keep track of when we are building the constant table.
28160 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
28162 * config/arm/arm.c (arm_override_options): Fix erroneous warning
28165 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
28167 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
28170 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
28172 * tm.texi (FUNCTION_ARG): Correct description of a stack element
28175 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
28177 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
28179 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28181 * rs6000.c (output_mi_thunk): Enable full support again.
28183 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28185 * sh.h (BRANCH_COST): Define.
28187 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
28189 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
28191 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
28193 * function.c (assign_stack_local): Align stack slot propertly.
28194 (assign_outer_stack_local): Likewise.
28196 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
28198 * expr.h (lang_expand_constant): Declare.
28199 * toplev.c (lang_expand_constant): Define it.
28200 * varasm.c (output_constant): Use it.
28202 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28204 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
28205 Change function definitions to K&R style.
28207 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28209 * fixinc/fixincl.c: We must not ignore SIGCLD now.
28211 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
28213 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
28214 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
28215 (several places): omit static initialization
28216 (process): use single fd, since only the read fd is used
28217 * fixinc/gnu-regex.c: define 'const' away, if not supported
28218 * fixinc/procopen.c(several places): omit static initialization
28219 * fixinc/server.c: define 'volitile' away, if not supported
28221 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28223 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
28224 asm_fprintf and %L to generate the label name.
28225 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
28226 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
28228 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
28230 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
28231 insn for a conditional jump can not be found.
28233 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
28235 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
28236 on variables in specific sections other than .sbss and .sdata.
28238 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
28240 * stmt.c (expand_return): Call start_cleanup_deferral and
28241 end_cleanup_deferral around conditional code.
28243 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28245 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
28246 filename lists. Utilizes new "krstr" AutoGen function.
28247 * fixinc/fixincl.x: Rebuilt.
28249 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
28251 * i386.c (output_float_compare): Avoid GNU-C extensions.
28253 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
28255 * version.c: Bump to distinguish mainline tree from the
28258 See ChangeLog.1 for earlier changes.