1 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
3 * 1750a.h (TARGET_SWITCHES): Add documentation.
4 * pa.h (TARGET_SWITCHES): Add documentation.
5 (TARGET_OPTIONS): Likewise.
6 * mn10300.h (TARGET_SWITCHES): Add documentation.
7 * h8300.h (TARGET_SWITCHES): Add documentation.
9 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
11 * loop.c (strength_reduce): Do not perform pseudo replacements
12 if the loop contains volatile memory references.
14 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16 * reload.c (find_reloads_toplev): When processing X recursively,
17 don't alter it destructively except by filling in constants.
19 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21 * cccp.c (default_include): Initialize structure memebers.
22 (pass_thru_directive): Change the type of 'keyword_length' to int.
23 (main): Cast `bindtextdomain' and `textdomain' to (void).
25 * collect2.c (main): Likewise.
27 * cppmain.c (main): Likewise.
29 * gcc.c (main): Likewise.
31 * gcov.c (main): Likewise.
33 * protoize.c (main): Likewise.
35 * toplev.c (main): Likewise.
37 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
39 * config/mips/mips.c (mips_explicit_type_size_string): Correct
42 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
44 * configure.in: Use "exit 1", not "exit (1)".
47 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
49 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
50 `/include' in order to find the system's limits.h.
52 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
54 * fixinc/fixincl.c: Include auto-host.h instead of config.h
55 * fixinc/procopen.c: Likewise.
56 * fixinc/regex.c: Likewise.
57 * fixinc/server.c: Likewise.
59 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
61 * config/i386/go32.h: Delete.
62 * config/i386/djgpp.h: New. Renamed from go32.h.
63 Added -DDJGPP=2 to CPP_PREDEFINES.
64 * config/i386/go32-rtems.h: Delete.
65 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
66 Added -DDJGPP=2 to CPP_PREDEFINES.
67 * config/i386/xm-go32.h: Delete.
68 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
69 * config/i386/x-go32: Delete.
70 * config/i386/x-djgpp: New. Renamed from x-go32.
71 * config/i386/t-go32: Delete.
72 * config/i386/t-djgpp: New. Renamed from t-go32.
73 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
74 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
75 Set xmake_file to i386/x-djgpp.
76 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
77 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
81 * gcc.c (process_command): Dump link_command_spec too.
83 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
84 Jeff Law <law@cygnus.com>
86 * pa.md: Add real PA8000 scheduling information.
88 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
89 (ISSUE_RATE): Revamp, including PA8000 support.
90 * pa.c (override_options): Add 8000 as -mschedule= option.
91 Do not call strcmp if pa_cpu_string is null.
92 * pa.md (attr cpu): Add 8000.
93 * invoke.texi: Add documentation for PA8000 scheduling.
95 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
97 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
99 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
100 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
102 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
104 * flow.c (compute_immediate_dominators): New function.
105 * basic-block.h (compute_immediate_dominators): Declare it.
107 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
109 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
111 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
113 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
115 * config/arm/arm.md: Fix various compile time warnings.
116 * config/arm/arm.h: Fix various compile time warnings. Add
118 * config/arm/arm.c: Fix various compile time warnings.
119 (arm_override_options): Reorganise to seperate tuning from
121 (bit_count): New function: Return a count of the number of bits
124 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
126 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
127 things that were eliminated.
129 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
131 * function.c (fixup_var_refs_1): First try moving the expression
132 directly into a register. Don't separate cc0 setter and user.
134 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
136 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
138 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
140 * c-lex.c: Don't include setjmp.h.
141 (parse_float): New static function.
142 (pf_args): New struct.
143 (yylex): Use them in call to `do_float_handler'.
145 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
147 * cexp.y (yyerror): Call verror to get a usefull error message.
150 * .gdbinit: Move command to put breakpoint at abort to end of file
151 so that gdb does not bail out early.
153 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
155 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
157 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
159 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
161 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
163 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
164 Delete emit_library_call_value declaration.
166 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
168 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
169 (which cannot otherwise appear in the processed buffer) and
170 move it out of tokens that it appears in the middle of.
172 (find_position): New function.
174 * cpplib.c: \r (one character) indicates backslash
175 newline, not \\\n (two characters). It cannot appear in the
176 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
177 parsing moves past \n or \r. Increment pfile->lineno whenever
178 a \n is placed into token_buffer. Only one mark can exist at
179 a time, and CPP_BUMP_LINE must not be used while it is
180 active. It is automatically cleared by cpp_pop_buffer and
181 parse_goto_mark. \r is not in is_hor_space or is_space.
183 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
184 update_position, count_newlines, parse_move_mark): Removed.
185 (parse_string, copy_comment): New functions.
186 (parse_name): Returns void.
187 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
188 one argument, a cpp_reader *. Change for new marking scheme.
189 (skip_comment): Handle CHILL line comments too. Second
190 argument is now first character of comment marker; all callers
191 changed. Issue error for unterminated block comment here.
192 (cpp_skip_hspace): Recognize CHILL comments.
193 (copy_rest_of_line): Likewise. Call skip_comment and
194 parse_string directly, don't go through cpp_get_token. Emit
195 "/**/" for block comments if -traditional (create_definition
197 (do_define): Don't play with put_out_comments.
198 (cpp_push_buffer): Initialize ->mark to -1.
199 (cpp_buf_line_and_col): Just read out the values in the buffer
201 (output_line_command): Use cpp_buf_line_and_col. Fix
202 formatting. Remove stale code.
203 (cpp_get_token): Break out string parsing code to
204 parse_string. Use skip_comment for CHILL comments too. Use
205 copy_comment for put_out_comments instead of dinking with
206 marks. Remove stale code. Don't call output_line_command
207 unless it's necessary.
209 * cpplib.h (parse_marker): Removed.
210 (struct cpp_buffer): line_base is now a unsigned char *; add
211 `mark' [long], remove `marks' [struct parse_marker *].
212 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
214 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
215 * cppinit.c (is_hor_space, is_space): '\r' is not considered
217 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
219 * cpphash.c (macarg): Disable line commands while expanding.
221 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
223 * c-lex.c (yylex) : Remove warning for integer literals being
224 larger than the largest target int. Add warning for integer
225 literal being larger than than its choosen type.
227 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
229 * invoke.texi: Add -mlong32 documentation.
230 * config/mips/mips.h (mips_explicit_type_size_string): New.
231 (TARGET_SWITCHES): Add 'long32'.
232 (TARGET_OPTIONS): Add 'explicit-type-size'.
233 (CC1_SPECS): Set -mexplicit-type-size.
234 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
235 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
236 * config/mips/mips.c (mips_explicit_type_size_string): New.
237 (override_options): Use it.
238 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
240 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
241 Pointer size now depends on both size longs and size of GP
244 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
246 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
247 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
248 * config/mips/mips.c (override_options): Allow -mlong64 and
249 -mint64 with -mips2 or less.
250 * config/mips/mips.h (MASK_LONG64): Fix comment.
251 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
252 (Pmode): Make Pmode the smaller of longs or gp registers.
253 * invoke.texi: Note the new size for pointers.
255 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
257 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
258 bit-pattern directly.
259 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
260 * rs6000.c (first_reg_to_save): If profiling and context needed,
261 allocate a reg to save static chain for all ABIs. For AIX
262 profiling, calculate parameter registers to save based on need.
263 (output_function_profiler): Save and restore static chain around
264 profile call for all ABIs.
266 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
268 * cppinit.c: Instead of one pending list, keep separate lists
269 for each category of pending option: -D/-U, -A, -include,
270 -imacros. Move the four partial include-path lists into the
271 pending block. Use head and tail pointers so we don't ever
272 have to reverse the lists.
274 (cpp_start_read): Break out blocks of code to their own
275 functions: install_predefs and initialize_dependency_output.
276 Use path_include for C_INCLUDE_PATH and friends as well as
277 CPATH. Remove include_defaults gunk. Warn about the
278 combination of -lang-chill and -trigraphs. Optimize string
279 bashing. Walk each pending list once, deallocating as we go.
281 (append_include_chain): Brought over from cppfiles.c. Mark
282 dirs as system include dirs if and only if appending to
283 system include path. If opts->verbose, print a notice when a
284 dir is dropped from the include path because it doesn't
285 exist. Fix memory leak: this function is not supposed to copy
288 (nreverse_pending, push_pending): Removed.
289 (APPEND): New macro for adding to pending lists.
290 (path_include): Can now add to any partial include path.
291 (base_name): Bring over from cccp.c.
292 (cpp_options_init): Allocate the pending block.
293 (cpp_handle_option): Add --version. Exit after --help. Fix
294 formatting. Order -ifoo options by frequency of usage.
295 (install_predefs): New function, simplified version of code
296 that was in cpp_start_read.
297 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
299 * cppfiles.c (simplify_pathname): Export.
300 (merge_include_chains): Don't nreverse the lists. If
301 opts->verbose, print a notice when a duplicate dir is detected
302 and dropped from the include path.
303 (finclude): Fix excessive cleverness in setting
305 (actual_directory): Set x->sysp from
306 CPP_BUFFER (pfile)->system_header_p so that one system header
307 may include another with "".
308 (deps_output): Fix double adjustment of deps_size which would
309 cause all dependencies after the first two lines to be lost.
311 * cpplib.c (cpp_unassert): New function.
312 * cpplib.h: Lay out struct cpp_pending here. Adjust
313 prototypes. Add include_prefix_len to struct cpp_options.
315 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
317 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
318 from HI/LO/HILO/MD into general registers the same as for one
319 of moving general registers to HI/LO/HILO/MD.
321 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
323 * config/m32r/m32r.c (init_idents): New function. Initialise
324 static tree nodes for m32r specific attribute identifiers. Remove
325 leading and trailing double underscores from the attribute names.
326 (m32r_valid_machine_decl_attribute): Call init_idents.
327 (m32r_encode_section_info): Call init_idents.
329 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
331 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
332 LABEL_REF for something else.
334 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * fold-const.c (exact_real_inverse): Move variable `float_error'
337 into the scope where it is used.
338 (const_binop_1): New static function.
339 (cb_args): New struct.
340 (const_binop): Use them in call to `do_float_handler'.
341 (fold_convert_1): New static function.
342 (fc_args): New struct.
343 (fold_convert): Use them in call to `do_float_handler'.
345 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
347 * rtlanal.c (auto_inc_p): New function.
348 * rtl.h (auto_inc_p): Prototype it.
349 * reload1.c (add_auto_inc_notes): New function.
350 (reload): Strip REG_INC notes and call add_auto_inc_notes
351 for each insn to restore them correctly.
353 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
355 * fixinc/Makefile.in (procopen.o): List the actual
358 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
360 * cse.c (check_fold_consts): New static function.
361 (cfc_args): New struct.
362 (simplify_relational_operation): Use them in call to
365 * toplev.c (do_float_handler): New function to wrap calls to
366 setjmp/set_float_handler.
368 * toplev.h (do_float_handler): Add extern prototype.
370 * tree.c (build_real_from_int_cst_1): New static function.
371 (brfic_args): New struct.
372 (build_real_from_int_cst): Use them in call to
375 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
377 * version.c: Bump for snapshot.
379 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
381 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
383 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
385 * arm.c (arm_split_constant): Don't try to force a constant to
386 memory after arm_reorg has run.
387 (after_arm_reorg): New static variable.
389 (output_func_epilogue): Clear it.
391 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
393 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
394 * configure: Rebuilt.
396 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
398 * unroll.c (loop_iterations): Don't return a final value for EQ
401 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
403 * reload1.c (calculate_needs_all_insns): When ignore equivalence
404 setting insn, clear need_elim, need_reload, and need_operand_change.
406 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
408 * fixinc/fixinc.*: Some changes from the fixincl-branch
409 were not applied (??!!). Corrected.
411 * fixinc/Makefile.in: same thing.
413 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
415 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
416 MAX_INTEGER_COMPUTATION_MODE.
418 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
420 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
421 (MODES_TIEABLE_P): Update.
423 * alpha.md (ev5_e0): Conflict loads and stores.
425 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
427 * machmode.h (smallest_mode_for_size): Prototype.
428 * stor-layout.c (smallest_mode_for_size): Remove static.
430 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
432 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
433 conversion if we don't know the lifetime.
435 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
437 * reload.1c (delete_address_reloads_1): Check for reloads of
438 CURRENT_INSN even if it sets DST.
440 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
442 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
443 (print_die, size_of_die, value_format, output_die): Adjust.
445 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
447 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
448 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
449 text_section_laabel, debug_line_section_label,
450 debug_info_section_label, abbrev_section_label): New.
451 (output_compilation_unit_header): Emit label associated
452 with section instead of section name itself.
453 (out_pubnames, output_aranges, output_line_info,
454 dwarf2out_finish): Likewise.
455 (dwarf2out_init): Build internal label names for sections
458 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
460 * sh.md (mulsi3): End mul.l sequence with a no-op move.
462 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
464 * Makefile.in: activated fixinc/mkfixinc.sh
465 * configure.in: activated fixinc/mkfixinc.sh
467 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
469 * cppfiles.c (INO_T_EQ): Handle UWIN.
471 * c-common.c (decl_attributes): Flag unrecognized attribute
472 functions as warnings instead of as errors.
474 Support for i386-pc-uwin.
475 * i386/uwin.h: New file.
476 * i386/xm-uwin.h: New file.
477 * i386/t-uwin: New file.
478 * i386/uwin.asm: New file.
479 * configure.in (i[3456]86-*-uwin*): Define.
480 Add Workaround for vfork bug when hosted on uwin.
481 * configure: Regenerate.
483 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
484 (absolute_filename): UWIN uses POSIX pathnames only.
485 * libgcc2.c (getpagesize): Do not define for UWIN.
486 (mprotect): Likewise.
487 * protoize.c (dirent.h): Conditionally include.
488 (fputc): Prototype only if it's not a macro.
490 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
492 * configure.in: Remove init_priority stuff.
494 1999-03-11 Colin Smith <colin@wrs.com>
496 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
498 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
500 * gcc.texi: Update bug reporting instructions to match
501 current ezmlm list reality.
503 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * gcc.c (print_file_name, print_prog_name, spec_machine,
506 read_specs, set_spec, lookup_compiler, build_search_list,
507 putenv_from_prefixes, find_a_file, record_temp_file,
508 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
509 is_directory, validate_switches, used_arg, default_arg,
510 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
511 notice, add_preprocessor_option, add_assembler_option,
512 add_linker_option, process_command, execute,
513 unused_prefix_warnings, clear_args, fatal_error,
514 lang_specific_driver, user_specs, compiler, link_command_spec,
515 option_map, translate_options, make_temp_file, temp_name,
516 programname, path_prefix, machine_suffix, just_machine_suffix,
517 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
518 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
519 standard_startfile_prefix, standard_startfile_prefix_1,
520 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
521 multilib_dir, temp_filename, temp_file, command, switchstr,
522 infile, outfiles, input_filename, input_basename, input_suffix,
523 check_live_switch, main): Qualify a char* with the `const' keyword.
525 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
528 * Makefile.in (OBJS): Add lcm.o
529 (lcm.o): Add dependencies.
531 * gcse.c (compute_pre_local_properties): Delete.
532 (compute_pre_data): Use compute_local_properties instead of
533 compute_pre_local_properties.
535 * gcse.c: More comments, whitespace and similar fixes.
536 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
537 (dump_pre_data, compute_cprop_local_properties): Likewise.
538 (one_classic_gcse_pass): Lose unused argument. All callers changed.
539 (compute_hash_table, compute_expr_hash_table): Likewise.
540 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
541 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
542 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
543 Lose unused argument.
544 (gcse_main): Always run a cprop pass after finishing global cse.
545 (compute_local_properties): New function.
546 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
547 (compute_cprop_data): Use compute_local_properties.
549 * gcse.c: Update various comments.
550 (current_function_calls_longjmp): Delete declaration.
552 * gcse.c (run_jump_opt_after_gcse): New variable.
553 (gcse_main): Returns an integer.
554 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
555 (try_replace_reg): Update some comments.
556 (cprop_insn): Allow propagation into some JUMP_INSNs too.
557 * rtl.h (gcse_main): Update prototype.
558 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
559 then run a jump optimization pass.
560 * jump.c (delete_barrier_successors): Delete nop jumps too.
562 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
564 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
565 for FP arithmetic. Changed caller.
566 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
568 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
570 * reload1.c (choose_reload_regs): When inheriting from the frame
571 pointer, don't clobber it.
573 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
575 * fixinc/fixinc.*: Resync-ed with the files in this
578 * fixinc/mkfixinc.sh: the machine case elements were
579 out-of-order. (the ix86-*-linux-gnu* entry needed to
582 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
584 * reload1.c (reload_combine_note_store): Fix calculation of number
585 of affected registers.
587 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
589 * flow.c (tidy_fallthru_edge): Be more careful finding the last
590 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
592 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
594 * i386.md (ashlsi3 splitter): Fix typo in last change.
596 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
598 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
599 instead of an explicit test for RETURN.
601 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
603 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
605 * toplev.c: Include basic-block.h.
607 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
609 * calls.c (load_register_parameters): New function.
610 (expand_call): Use it.
612 * calls.c (expand_call): Slightly reorganize code.
614 * calls.c (compute_argument_addresses): New function.
615 (rtx_for_function_call): New function.
616 (expand_call): Use them.
618 * i386.md (zero_extendhisi2): Split into an expander and anonymous
619 pattern. Add new anonymous pattern for use when optimizing for
620 size or for the PPro.
621 (zero_extendqihi2, zero_extendqisi2): Likewise.
623 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
625 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
626 dependancies to sets in the non-hard-reg case too.
628 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
630 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
632 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
634 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
635 for which CLASS_LIKELY_SPILLED_P is true.
637 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
638 have a REG or SUBREG.
640 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
642 * i386.md (ashlsi3): Revise comments. Provide new anonymous
643 pattern for Pentium and PPro/PII. Reverse constraints in
644 generic ashlsi3 anonymous pattern.
646 * calls.c (initialize_argument_info): Accept a pointer to
648 (expand_call): Pass the address of CUMULATIVE_ARGS.
650 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
652 * mn10300.h (CASE_DROPS_THROUGH): Delete.
653 * mn10200.h (CASE_DROPS_THROUGH): Delete.
654 * h8300.h (CASE_DROPS_THROUGH): Delete.
656 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
657 to also delete the cc0 setter when deleting a conditional branch
660 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
662 * regmove.c (copy_src_to_dest): New argument max_old_uid.
664 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
666 * ChangeLog: merged entries from fixincl-branch
668 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
670 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
671 (print_exp): Special case addition of a constant.
672 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
674 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
676 * haifa-sched.c (reg_last_clobbers): New.
677 (reg_pending_clobbers, bb_reg_last_clobbers): New.
678 (compute_block_backward_dependences): Allocate memory for them.
679 (schedule_region): Likewise.
680 (sched_analyze_1): Clobbers don't interfere with one another.
681 They do interfere with sets ...
682 (sched_analyze_2): ... and uses.
683 (sched_analyze): Likewise.
684 (sched_analyze_insn): Update reg_last_clobbers appropriately.
686 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
689 include system header files.
691 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
692 (_mcleanup): Add the `const' keyword to a char*.
693 (internal_mcount): Declare `etext' as a char[] not a function.
694 Cast `etext' to char* when calling `monstartup'.
696 * sparc.c (frame_base_name, save_regs, restore_regs,
697 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
698 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
699 cpu_default, cpu_table, output_function_prologue,
700 output_function_epilogue, output_return,
701 sparc_flat_output_function_prologue, ultra_code_names,
702 sparc_flat_output_function_epilogue): Constify a char*.
703 (hypersparc_adjust_cost): Add a default case in a switch.
705 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
706 sparc_cpu_select, sparc_align_loops_string,
707 sparc_align_jumps_string, sparc_align_funcs_string,
708 output_return): Constify a char*.
710 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
711 so that we check "== 32", instead of "!= 64". Cast a value to
712 HOST_WIDE_INT when comparing against one. Hide the declaration
713 for variable `chain'.
715 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
717 * system.h (const, inline): Move the stage2 handling of these
718 keywords-as-macros from here...
720 * gansidecl.h (const, inline): ...to here.
722 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
724 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
726 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
728 * cse.c (canon_hash): Never reject hard regs in CCmode.
730 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
732 * version.c: Bump for snapshot.
734 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
735 Richard Henderson <rth@cygnus.com>
737 * flow.c (make_edges): Handle casesi that jump to default branch.
738 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
740 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
742 * c-aux-info.c (data_type, affix_data_type, gen_decl,
743 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
744 Qualify a char* with the `const' keyword.
746 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
747 declare_function_name, decl_attributes, format_char_info,
748 check_format_info, binary_op_error): Likewise.
750 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
752 * gcse.c (dump_hash_table): Likewise.
754 * integrate.c (function_cannot_inline_p): Likewise
756 * optabs.c: Include insn-config.h earlier.
757 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
758 Qualify a char* with the `const' keyword.
760 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
761 asctoeg, mtherr, ereal_atof): Likewise.
763 * real.h (ereal_atof): Likewise.
765 * sbitmap.c (dump_sbitmap_vector): Likewise.
767 * sbitmap.h (dump_sbitmap_vector): Likewise.
769 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
771 * toplev.c (rest_of_compilation): Likewise.
773 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
775 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
777 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
778 not overwrite AIX link register save area.
780 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
782 * reload.c (find_reloads_subreg_address): Actually create the USE
783 for the register, not the new memory location.
785 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
787 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
788 with its equivalent constant, fall back to reload_in.
790 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
792 * Makefile.in: Delete .flow2 debugging files.
794 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
796 * config/arm/arm.c (arm_override_options): Change default target
797 cpu selection so that enabling TARGET_APCS_32 does not override
800 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
802 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
803 (BOOL_TYPE_SIZE): Define.
805 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
807 * function.c (assign_stack_temp_for_type): Abort
808 if mode == Blkmode and align is less than
809 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
810 (assign_stack_temp_for_type): Round the size parameter
811 passed to assign_stack_local instead of size itself.
813 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
815 * flow.c (delete_unreachable_blocks): Mark blocks as they
816 are put on to the worklist, not as they are taken off.
818 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
820 * function.c (current_function_has_computed_jump): Remove duplicate
823 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
825 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
826 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
828 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
829 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
830 (INIT_SUBTARGET_OPTABS): Define to empty.
832 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
834 * sh.c (force_into): New function.
835 (expand_block_move): Use it.
837 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
839 * cccp.c (struct default_include): Add 'included' field.
840 (main): Set 'included' field when a default include directory
841 is added to the chain. If -v is specified list all default
842 include directories which do not get appended to the chain.
844 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
846 * configure.in (gxx_include_dir): Rename to
847 gcc_gxx_include_dir in order to prevent it being overridden by
848 a top level Makefile.
849 (gcc_tooldir): If $exec_prefix != $prefix then use the
850 difference between the two as the basis for gcc_tooldir.
852 * configure: Rebuild.
854 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
856 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
858 * unroll.c (copy_loop_body): Don't make extra copies of
859 NOTE_INSN_LOOP_CONT notes.
861 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
863 * tree.c (save_tree_status): Don't treat functions with no context
866 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
868 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
871 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
873 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
874 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
875 current_function_file): Add the `const' keyword.
876 (normal_memory_operand): Mark parameter `mode' with
878 (alpha_expand_unaligned_load): Add a default case to a switch.
880 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
881 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
882 (normal_memory_operand): Add prototype.
884 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
885 comparing against one.
887 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
889 * mips.c (abort_with_insn): Make function static, add a prototype,
890 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
891 (current_function_file, mips_cpu_string, mips_isa_string,
892 mips_abi_string, mips_no_mips16_string, mips_entry_string,
893 mips_move_1word, mips_move_2words, output_block_move, load_store,
894 override_options, make_temp_file, mips16_fp_args): Qualify a char*
895 with the `const' keyword.
897 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
898 mips_abi_string, mips_entry_string, mips_no_mips16_string,
899 mips_move_1word, mips_move_2words, output_block_move): Likewise.
900 (abort_with_insn): Remove extern prototype.
902 * mips.md: Qualify a char* with the `const' keyword.
903 Remove many unused variables named `label'.
905 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
907 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
909 (install-cpp, uninstall-cpp): New targets.
910 (install-normal): Depend on $(INSTALL_CPP).
911 (uninstall): Depend on $(UNINSTALL_CPP).
912 * configure.in (cpp_install_dir): New, substitute.
913 (tmake_file): Added t-install-cpp for --enable-cpp.
914 * configure: Rebuilt.
915 * cpp.sh: New cpp script.
916 * config/t-install-cpp: New target fragment.
918 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
919 Jeffrey A Law (law@cygnus.com)
921 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
923 (cse_insn): Avoid creating a bogus REG_EQUAL note for
924 (const (minus (label) (label)))
925 (record_jump_cond): Fix mismatched paren in comment.
927 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
929 * final.c (end_final): There are 11 words in the "main header"
932 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
934 * extend.texi: Reference __extension__ in the index.
936 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
938 * Makefile.in (CROSS_FLOAT_H): Delete.
939 (FLOAT_H): Use float_h_file.
940 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
942 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
943 (mostlyclean): Delete gloat.h reference.
944 (install-cross-rest, install-float-h-cross, stmp-headers): Update
946 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
947 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
948 (float_h_file): Set from float_format. Substitute into Makefile.in.
949 (float_format): No longer substitute into Makefile.in.
950 * cross-make (FLOAT_H): Delete.
951 * config/mips/t-cross64 (FLOAT_H): Delete.
952 * configure: Rebuilt.
954 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
956 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
957 insn to be an INSN before looking at its pattern.
959 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
961 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
962 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
963 HImode reg when TARGET_5200.
965 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
967 From Toshiyasu Morita:
968 * sh.h (CACHE_LOG): SH2 has cache, too.
970 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
972 * toplev.c (compile_file): Disable -ffunction-sections and
973 debugging warning if the object format is elf.
975 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
977 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
978 when the data in 8-bit area and can not be addressed by 8-bit.
980 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
982 * flow.c (create_basic_block): Disregard integrated bb notes.
984 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
986 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
988 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
990 * config/i386/t-sco5gas (crti.o): New target.
992 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
994 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
995 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
996 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
997 load_multiple, allocate_stack, call_indirect_aix32,
998 call_indirect_aix64, call_value_indirect_aix32,
999 call_value_indirect_aix64, call_indirect_nt,
1000 call_value_indirect_nt): Use gpc_reg_operand instead of
1003 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
1005 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
1006 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
1008 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
1009 allow andi. or andis. which always set cr0.
1011 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1013 * version.c: Bump for snapshot.
1015 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
1017 * invoke.texi: Update information for PA scheduling.
1019 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1020 Mike Stump <mrs@wrs.com>
1022 * pa.c (override_options): Change default to 7100LC
1024 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
1025 float regs before right half of float regs.
1027 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
1028 Jeffrey A Law (law@cygnus.com)
1030 * frame.h: Update some comments.
1031 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
1032 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
1033 using TARGET_WEAK_ATTRIBUTE.
1034 (__do_global_dtors_aux): Check if __deregister_frame_info is
1035 zero before calling it.
1036 (__do_global_dtors): Likewise.
1037 (frame_dummy): Check if __register_frame_info is zero before
1039 (__frame_dummy): Likewise.
1041 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1043 * SERVICE: Update from the FSF.
1045 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1047 * config/i386/t-sco5 (crti.o): New target.
1048 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1050 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1052 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1054 * md.texi (prologue,epilogue): Document named patterns.
1056 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1058 * md.texi, invoke.texi: Fix unterminated @xrefs.
1060 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1062 * genattrtab.c (simplify_knowing): Fix uninitialized read
1065 * genextract.c (main): Clear recog_operands before extracting.
1067 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1069 * c-pragma.c (add_weak); Delete. Moved into...
1070 * varasm.c (add_weak): New external function.
1071 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1072 the list of weak functions.
1073 * c-pragma (add_weak): Declare.
1075 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1077 Flow rewrite to use basic block structures and edge lists:
1079 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1080 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1081 (struct edge_def): New.
1082 (struct basic_block_def): New.
1083 (basic_block_info): New.
1084 (BLOCK_HEAD, BLOCK_END): Update.
1085 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1086 (uid_block_number): Kill.
1087 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1088 (BLOCK_NUM): Update.
1089 * flow.c (XNMALLOC): Kill.
1090 (max_uid_for_flow): Kill.
1091 (uid_block_number): Kill.
1092 (uid_volatile): Turn into a bitmap.
1093 (SET_INSN_VOLATILE): New.
1094 (basic_block_info): New.
1095 (entry_exit_blocks): New.
1096 (x_basic_block_head, x_basic_block_end): Kill.
1097 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1098 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1099 (basic_block_loop_depth): Kill.
1100 (basic_block_for_insn): New.
1101 (find_basic_blocks): Split out initial block counting into
1102 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1103 (count_basic_blocks): New.
1104 (find_basic_blocks_1): Split out edge recognition, unreachable
1106 (create_basic_block): New.
1107 (compute_bb_for_insn): New.
1109 (free_bb_memory): Kill.
1110 (add_edge, add_edge_to_label): Kill.
1111 (mark_label_ref): Kill.
1112 (make_edges): Rewrite to use edge lists.
1113 (make_edge, make_label_edge): New.
1114 (mark_critical_edges): New.
1115 (split_edge, insert_insn_on_edge): New.
1116 (commit_one_edge_insertion, commit_edge_insertions): New.
1117 (delete_unreachable_blocks): Rewrite to use edge lists.
1118 Split out EH region manipulation into delete_eh_regions.
1119 Call tidy_fallthru_edge and merge_blocks.
1120 (delete_eh_regions): New.
1121 (delete_note_p): New.
1122 (delete_insn_chain): New.
1123 (delete_block): Split out code into delete_insn_chain and
1124 tidy_fallthru_edge. Update edge lists.
1125 (expunge_block): New.
1126 (flow_delete_insn): New?
1127 (can_delete_label_p): New?
1128 (merge_blocks_nomove, merge_blocks): New.
1129 (tidy_fallthru_edge): New.
1130 (calculate_loop_depth): New.
1131 (life_analysis): Allocate and free uid_volatile.
1132 (free_basic_block_vars): Update for new structures.
1133 (record_volatile_insns): Use SET_INSN_VOLATILE.
1134 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1135 (mark_used_regs): Likewise.
1136 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1137 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1138 life propagation from EXIT_BLOCK rather than last block. Clear
1139 regs_ever_live after mark_regs_live_at_end.
1140 (allocate_for_life_analysis): Update for new structures.
1141 (propagate_block): Split out loop depth calculation to
1142 calculate_loop_depth.
1143 (regno_uninitialized): Use bb->global_live_at_start.
1144 (regno_clobbered_at_setjmp): Likewise.
1145 (dump_bb_data): Likewise.
1146 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1147 (dump_flow_info): Update for new structures.
1148 (dump_edge_info): New.
1149 (print_rtl_with_bb): Update for new structues.
1150 (compute_preds_succs): Do no work -- convert edge lists.
1151 (set_block_for_insn): From corpse of old set_block_num.
1152 (set_block_num): Call it.
1154 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1155 * rtl.h (rtunion_def): Add bb entry.
1156 (NOTE_BASIC_BLOCK): New.
1157 (NOTE_INSN_BASIC_BLOCK): New.
1159 * varray.h (varray_data_tag): Add bb entry.
1160 (VARRAY_BB_INIT, VARRAY_BB): New.
1162 * emit-rtl.c (emit_label_before): New.
1164 * except.c (expand_rethrow): Delete insns following the call to
1165 rethrow. Put the REG_EH_RETHROW on the call.
1167 * jump.c (returnjump_p, returnjump_p_1): New.
1169 * expr.h (nonlocal_goto_handler_labels): New declaration.
1170 * function.c (nonlocal_goto_handler_labels): Define it.
1171 (push_function_context_to): Save it.
1172 (pop_function_context_from): Restore it.
1173 (init_function_start): Clear it.
1174 (nonlocal_label_rtx_list): Kill.
1175 * function.h (struct function): Add storage space for it.
1176 * stmt.c (expand_nl_handler_label): Return the new label.
1177 (expand_nl_goto_receivers): Collect a list of them in
1178 nonlocal_goto_handler_labels.
1180 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1181 (flow.o): Depend on insn-flags.h.
1183 * function.c (thread_prologue_and_epilogue_insns): Do not
1184 half-heartedly update bb structures.
1186 * toplev.c: Add flow2 dump as -dw.
1187 (rest_of_compilation): Finish .greg before flow2.
1189 * graph.c (draw_edge): Handle class 3.
1190 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1191 change non-fall-thru but adjacent to green class 3. Update
1192 to use new structures.
1194 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1196 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1198 (reg_to_stack): Initialize block_num to -1.
1200 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1201 to basic_block_live_at_start to bb->global_live_at_start.
1202 (try_combine): Likewise.
1203 (reg_dead_at_p): Likewise.
1204 * global.c (global_conflicts): Likewise.
1205 Handle stack regs on all abnormal edges, not just computed jumps.
1206 (mark_elimination): Update reference to basic_block_live_at_start.
1207 (build_insn_chain): Likewise.
1208 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1209 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1210 of nonlocal_label_rtx_list.
1211 (check_live_1): Update reference to basic_block_live_at_start.
1212 (update_live_1): Likewise.
1213 (find_pre_sched_live): Likewise.
1214 (find_post_sched_live): Likewise.
1215 * local-alloc.c (update_equiv_regs): Likewise.
1216 (block_alloc): Likewise.
1217 * reload1.c (reload, reload_combine): Likewise.
1218 * regmove.c (mark_flags_life_zones): Likewise.
1219 * resource.c (mark_target_live_regs): Likewise.
1220 * sched.c (schedule_block): Likewise.
1222 * regclass.c (regset_release_memory): Don't free
1223 basic_block_live_at_start.
1225 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1227 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1229 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1230 * fixinc.svr4: Likewise.
1232 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1233 rather than asserting it.
1235 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1237 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1238 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1239 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1242 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1243 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1244 scan-decls.o): Don't depend on machmode.h.
1246 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1247 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1249 * cppfiles.c: Likewise.
1251 * cpplib.c: Likewise.
1253 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1255 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1257 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1258 * objc/lang-specs.h: Likewise.
1260 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1262 * pa.md (call patterns): Lose unused argument to output_call.
1264 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1266 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1268 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1269 first argument. All callers changed.
1271 (cpp_lookup, cpp_install): Change all refs to hashtab to
1273 (cpp_hash_cleanup): Removed.
1274 * cpphash.h: Adjust prototypes.
1275 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1276 * cppinit.c (cpp_reader_init): Also allocate space for the
1278 (cpp_cleanup): Delete all macros and free the hashtab.
1280 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1282 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1285 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1286 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1287 * calls.c (expand_call): Likewise.
1289 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1291 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1292 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1293 arguments in registers.
1294 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1295 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1298 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1300 * cse.c (dump_class): Revert last change and make the prototype
1303 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1305 * rtl.h (insn_first_p): Don't declare.
1306 * rtlanal.c (insn_first_p): Delete.
1307 * loop.c (loop_insn_first_p): Faster implementation.
1309 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1311 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1312 (TARGET_3, TARGET_6): Delete.
1313 (ARM_FLAG_ARM[36]): Delete.
1314 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1315 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1316 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1317 * arm.c (arm_override_options): Delete warnings about deprecated
1320 * arm.c (arm_finalize_pic): Build the label into the special pic
1321 adjustment insn instead of issuing it separately.
1322 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1325 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1326 (*ne_zeroextractsi): New pattern.
1328 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1330 * stmt.c (expand_end_loop): Grok code emitted by
1331 expand_exit_loop_if_false.
1333 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1335 * config/arm/arm.c (return_in_memory): Float fields in unions
1336 force a return in memory.
1337 (load_multiple_sequence): Add comment explaining why two LDR
1338 instructions can be better than an LDMIA instruction.
1340 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1341 describing the real meaning of this option.
1342 (FIXED_REGISTERS): Default r10 to not-fixed.
1343 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1344 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1346 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1347 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1348 performing other checks.
1350 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1351 (extendhisi2): Undo previous change.
1352 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1353 ignored for armv4(t) architectures.
1355 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1358 * config/arm/riscix1-1.h
1359 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1361 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * cse.c (dump_class): Make the function definition static to match
1366 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1368 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1370 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1371 endian correction for parms passed in regs but living on the stack.
1373 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1375 * calls.c (initialize_argument_information): New function extracted
1377 (expand_call): Use initialize_argument_information. Remove variables
1378 which are no longer used due to cleanups.
1380 * calls.c (compute_argument_block_size): New function, extracted from
1382 (expand_calls): Use compute_argument_block_size. Delete
1383 original_args_size, use unadjusted_args_size instead.
1385 * calls.c (precompute_arguments): New function, extracted from
1387 (expand_call): Use precompute_arguments.
1389 * calls.c (finalize_must_preallocate): New function, extracted from
1391 (expand_call): Use finalize_must_preallocate.
1393 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1395 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1396 An alternative always fails if it needs a pseudo and no suitable
1397 register class can be found.
1399 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1401 * loop.h (loop_insn_first_p): Declare.
1402 * loop.c (loop_insn_first_p): No longer static.
1403 * unroll.c (iteration_info) Fix comparison to
1404 reg_iv_type->num_elements.
1405 Before accessing reg_biv_class, check index against
1406 max_reg_before_loop.
1407 Fix and enable code for giv iterators.
1408 (loop_iterations): Compare with reg_iv_type->num_elements instead
1409 of with max_reg_before_loop.
1411 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1413 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1415 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1417 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1418 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1420 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1422 * config/i386/i386.md: fix typoe.
1424 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1426 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1427 frame_pointer_needed adjust frame size.
1428 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1429 in .frame pseudo-op.
1430 Frm Jim Wilson <wilson@cygnus.com>:
1431 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1432 when TARGET_MIPS16 && frame_pointer_needed.
1434 1999-02-22 Nick Clifton <nickc@cygnus.com>
1436 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1437 Add -mno-sched command line switch to disable scheduling of
1438 instructions into the function's prologue.
1439 (enum processor_type): Remove.
1440 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1441 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1442 fields with 'processors' field.
1443 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1444 checking is not enabled.
1445 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1447 * config/arm/arm.c: (arm_cpu): Remove.
1448 (tune_flags): Remove.
1449 (arm_is_strong): New variable: true iff the target processor is a
1451 (arm_is_6_or_7): New variable: true iff the target processor is an
1453 (arm_select): Fields reorganised.
1454 (struct processors): processor_type field removed.
1455 (all_procs): Remove.
1456 (all_cores): New array: Definitions of all known ARM cpu cores.
1457 (all_architectures): New array: Definitions of all known ARM
1460 (FL_SCHED): New processor flag: processor required load
1462 (FL_STRONG): New processor flag: processor is a StrongARM.
1463 (arm_override_options): Reorganised to make code clearer.
1464 (use_return_insn): Test for "not (TARGET_APCS and
1465 frame_pointer_needed)".
1466 (arm_return_in_memory): Improve handling of structures.
1468 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1469 "is_strongarm" and "is_arm_6_or_7" attributes.
1470 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1472 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1474 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1476 1999-02-22 Philip Blundell <philb@gnu.org>
1478 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1479 definition with one including cache synchronisation.
1480 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1481 Move definition of inhibit_libc to...
1482 * config/arm/xm-linux.h: ... here.
1484 * config/arm/t-linux: Disable multilib configurations since the
1485 only effect for most people is to cause builds to fail.
1487 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1488 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1490 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1491 (HANDLE_SYSV_PRAGMA): Likewise.
1492 (LIB_SPEC): Copy definition from generic Linux files.
1493 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1494 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1495 (DWARF2_DEBUGGING_INFO): Define.
1496 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1498 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1500 * loop.c (libcall_other_regs): Make extern.
1501 * rtl.h (find_last_value): Add parameter to prototype.
1502 (libcall_other_reg): Add extern declaration.
1503 * rtlanal.c (find_last_value): Add another parameter to allow
1504 a definition using a hardware register to be found as well.
1506 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1508 * cse.c (dump_class): New function.
1509 (invalidate_memory): Fix typo in comment.
1510 * function.c (temp_slot): Add an alias set field.
1511 (assign_stack_temp): Only reuse slots if they will have the
1512 same alias set as before.
1513 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1515 * rtl.c (copy_rtx): Copy all the flags (in particular,
1518 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1520 * configure.in (i[34567]86-*-linux-gnu*,
1521 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1522 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1525 * configure: Rebuilt.
1527 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1530 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1532 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1533 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1534 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1537 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1539 * objc/objc-act.c (encode_type): Temporary revert to the old
1540 behavior of encoding types as the new one seems to break the
1541 encoding of bitfields.
1543 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1544 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1546 * Makefile.in (all.internal, all.cross): Depend on `doc'
1547 target, to ensure docs get made before installation.
1550 Decrease spurious warnings from -fsyntax-only:
1551 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1553 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1555 * c-lex.c (yylex): Replace warning about integer constants being
1556 larger than long-longs, with a warning about integer constants
1557 being larger than the largest target integer.
1559 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1561 Fix -fsyntax-only ICEs:
1562 * varasm.c (assemble_zeros, assemble_variable,
1563 output_constant_def): Do nothing when -fsyntax-only.
1565 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1567 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1568 * configure: Rebuilt.
1570 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1572 * version.c: Bump for snapshot.
1574 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1576 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1577 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1578 * tm.texi: Update docs for constructors and destructors.
1580 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1582 * genattrtab.c (check_attr_value): Allow negative const_int if
1583 negative_ok. Accept integral arithmetic operators. Accept
1584 direct references to other attributes. Accept symbol_ref in
1585 non-constant attributes.
1586 (max_attr_value): Add new argument `unknownp'. Update all callers.
1587 (or_attr_value): Likewise.
1588 (simplify_knowing): Don't optimize if max_attr_value unknown.
1589 (write_length_unit_log): Likewise with or_attr_value.
1590 (find_and_mark_used_attributes): Don't fallthru case.
1591 (write_attr_set): Pass thru all non-cond expressions.
1592 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1594 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1596 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1598 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1600 * regmove.c (discover_flags_reg): Remove cc0 code.
1601 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1602 a potential flags register was identified.
1604 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1606 * rs6000.md (scc plus ltu): Fix typo in last change.
1608 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1610 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1612 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1614 * regmove.c (discover_flags_reg): New function.
1615 (flags_set_1, mark_flags_life_zones): New functions.
1616 (regmove_optimize): Call them.
1617 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1619 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1621 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1623 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1624 Use loop_insn_first_p.
1626 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1627 David Edelsohn <edelsohn@gnu.org>
1629 * rs6000.md (scc plus eq): Fix output template.
1630 (scc plus ltu): Fix output template and collapse variants
1631 correcting early clobbers.
1632 (scc plus geu): Fix output template.
1633 (scc plus gt): Fix output template.
1634 (scc plus gtu): Fix output template and collapse variants.
1636 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1638 * cppinit.c (print_help): Remove unescaped newline in string.
1640 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1642 * loop.c (strength_reduce): Check for intervening jumps when
1643 converting biv increment to giv.
1645 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1647 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1648 * expr.c (expand_expr): Support new tree nodes.
1650 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1652 * config/m68k/m68k.c (m68k_align_loops_string,
1653 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1654 * config/m68k/m68k.h (m68k_align_loops_string,
1655 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1657 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1661 * bitmap.h (bitmap_print): Likewise.
1663 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1665 * c-lang.c (build_objc_string): Likewise.
1667 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1668 limits.h or ctype.h. Remove unused variable `p'.
1670 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1672 * c-pragma.c (handle_pragma_token): Likewise.
1674 * c-pragma.h (handle_pragma_token): Likewise.
1676 * c-tree.h (build_objc_string, builtin_function, grokfield,
1677 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1678 pedwarn_init): Likewise.
1680 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1681 push_string, warning_init, incomplete_type_error,
1682 build_indirect_ref, lvalue_or_else, readonly_warning,
1683 build_c_cast, spelling, push_member_name, print_spelling,
1684 error_init, pedwarn_init, start_init): Likewise.
1686 * objc/objc-act.c (build_objc_string): Likewise.
1688 * print-tree.c (print_node_brief, print_node): Likewise.
1690 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1692 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
1694 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1696 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1698 * configure.in :Handle OpenBSD platforms.
1699 * configure: Rebuilt.
1700 * config/openbsd.h: New file.
1701 * config/xm-openbsd.h: New file.
1702 * config/t-openbsd: New file.
1703 * config/t-openbsd-thread: New file.
1705 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1707 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1708 assign_stack_local for BLKmode slots.
1710 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1712 * loop.c (strength_reduce): For derived givs, replace the
1713 giv this was derived from with its new_reg.
1714 (recombine_givs): Don't set new_reg for derived giv.
1715 And don't print it, print SUM instead.
1717 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1719 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1721 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1723 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1724 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1726 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1727 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1728 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1729 cpp_pending, version_string, struct default_include,
1730 include_defaults_array, path_include, cpp_options_init,
1731 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1732 cpp_reader_init, nreverse_pending, push_pending, print_help,
1733 cpp_handle_option, cpp_handle_options, cpp_finish,
1734 cpp_cleanup): Move to cppinit.c.
1735 (macro_cleanup, struct arglist, collect_expansion,
1736 create_definition, compare_defs, comp_def_part, ARG_BASE,
1737 struct argdata, macarg, change_newlines, timestamp,
1738 monthnames, special_symbol, unsafe_chars, macroexpand,
1739 push_macro_expansion): Move to cpphash.c.
1740 (quote_string, check_macro_name, cpp_expand_to_buffer,
1741 output_line_command, cpp_undef): Export.
1742 (null_underflow, null_cleanup, handle_directive): Make static.
1744 * cpplib.h: Prototype now-exported functions. Adjust decls of
1745 syntax tables so we can include cpplib.h in cppinit.c.
1746 * cpphash.h: Prototype all functions exported by cpphash.c.
1747 * cppinit.c: Make syntax tables initialized data if possible
1748 (uses GCC designated-initializer extension).
1749 * cppexp.c: Make cpp_lex static.
1750 * Makefile.in: Move -D switches for the various include dirs
1751 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1753 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1755 * alpha/openbsd.h: New file.
1756 * alpha/xm-openbsd.h: New file.
1757 * sparc/openbsd.h: New file.
1758 * sparc/xm-openbsd.h: New file.
1759 * m68k/openbsd.h: New file.
1760 * m68k/xm-openbsd.h: New file.
1761 * i386/openbsd.h: New file, originally from netbsd.
1762 * i386/xm-openbsd.h: New file.
1764 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1766 * Makefile.in: Correct dependencies for cpplib object files.
1768 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1770 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1773 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1775 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1778 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1780 * tree.c (tree_node_kind_names, print_obstack_name,
1781 get_identifier, maybe_get_identifier, build_string,
1782 build_expr_wfl, is_attribute_p, lookup_attribute,
1783 print_obstack_statistics, get_file_function_name_long, tree_check,
1784 tree_class_check, expr_check): Qualify a char* with the `const'
1787 * tree.h (get_identifier, maybe_get_identifier, build_string,
1788 build_expr_wfl, is_attribute_p, lookup_attribute,
1789 print_obstack_statistics, print_obstack_name, tree_check,
1790 tree_class_check, expr_check): Likewise.
1792 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1794 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1797 * calls.c (store_one_arg): Mark any slots used for the argument
1798 as in-use immediately after we're done saving any slots which
1799 will be overwritten by this argument.
1801 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1803 * rs6000.md (call_value): Fix typo.
1805 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1807 * loop.c (strength_reduce): Calculate maybe_dead before
1808 calling recombine_givs.
1810 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1812 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1814 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1816 * objc/objc-act.c (encode_type): Encode the type instead of
1817 encoding the mode of the type (patch from Richard Frith-Macdonald
1818 <richard@brainstorm.co.uk>).
1820 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1822 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1823 instruction killed in previous change. Simplify mask generation.
1824 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1826 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1828 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1829 bitfield does not overflow a byte boundary.
1831 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1833 * c-common.c (shorten_compare): Get the min/max value from the
1834 underlying type of an enumeration, not the enumerated type itself.
1836 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1838 * jump.c: Include insn-attr.h.
1839 (delete_computation): If reload has completed and insn scheduling
1840 after reload is enabled, then do not depend on REG_DEAD notes.
1841 * Makefile.in (jump.o): Depend on insn-attr.h.
1843 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1845 * i386.md (addsi3): Allow lea for any constant_p.
1847 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1849 * toplev.c (documented_lang_options): Remove -fident and
1850 -fnoident, which are now handled by the language independent
1853 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1855 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1856 * c-lex.c: Likewise.
1857 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1858 list in malloced memory for the buffer stack.
1859 (cpp_get_token): Don't pop the last buffer off the stack.
1860 Calls after CPP_EOF has been returned produce CPP_EOF with no
1862 (cpp_finish): Pop last buffer here.
1863 (do_line): Don't free ip->last_nominal_fname if it is equal to
1865 (special_symbol): If a T_CONST is the empty string, push a
1866 single `@ ' escape instead.
1867 (macroexpand): Special symbol buffers have escapes too.
1868 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1870 (struct cpp_reader): Remove buffer_stack. Add
1872 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1875 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1877 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1878 WIDE_INT with WIDEST_INT.
1881 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
1882 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
1883 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
1884 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
1885 definition of variable `c89' when compiling a test binary and set it.
1887 * system.h: Don't define the PRINTF_PROTO_* macros.
1889 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
1891 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
1892 we do not understand, mark the loop and containing loops as invalid.
1894 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1896 * alias.c (init_alias_analysis): Avoid self-referential value
1897 when setting reg_known_value from REG_EQUAL notes.
1899 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1901 * i386.c (legitimate_address_p): Verify modes of base and index.
1903 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1905 * i386.c (legitimate_pic_address_disp_p): Remove static.
1906 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1909 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1911 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1912 * explow.c (probe_stack_range): Likewise.
1913 * expmed.c (do_cmp_and_jump): Likewise.
1914 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1915 (do_tablejump): Likewise.
1916 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1917 (do_jump_if_equal, emit_case_nodes): Likewise.
1918 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1919 then convert comparison to an unsigned code before emitting the jump.
1920 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1922 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1924 * version.c: Bump for snapshot.
1926 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1928 * version.c: Bump for snapshot.
1930 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1932 * loop.c: Disable recent loop changes. Temporary as Joern
1933 continues to fix problems.
1935 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1937 * loop.c (combine_givs_used_by_other): Delete.
1938 (combine_givs_benefit_from): Delete.
1939 (combine_givs): Deny combination of givs only used once. Simplify
1940 code with the death of combine_givs_benefit_from.
1942 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1944 * loop.c (scan_loop): Call reg_in_basic_block_p before
1945 loop_reg_used_before_p.
1947 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1949 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1953 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1954 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1955 in the constant pool aren't valid.
1956 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1958 * arm.c: Include "system.h", not stdio.h and string.h.
1960 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1962 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1963 (optimize_tail_recursion): Change return type from void to int.
1964 Add return statements.
1965 * tree.h (optimize_tail_recursion): Change prototype to match.
1967 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1969 * reload.c (find_reloads_subreg_address): New function, broken out of
1970 find_reloads_toplev.
1971 (find_reloads_toplev, find_reloads_address_1): Use it.
1973 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1975 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1976 extending a CONST_INT.
1978 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1980 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1982 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1984 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1986 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1988 * loop.c (load_mems): Don't guess how to do a load / store, use
1991 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1993 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1995 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1997 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
1999 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
2001 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
2002 pseudo which is homed in the stack.
2004 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
2005 (compute_frame_size): Change loop over FP regs to be consistent
2006 with the loop in save_restore_insns.
2008 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
2010 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
2011 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
2013 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
2015 * mn10200.md (bset); Re-enable.
2017 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2019 * sh.md (is_sfunc): New attribute.
2020 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
2022 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
2024 * fold-const.c (range_binop): Take account of the bounded nature
2025 of fixed length arithmetic when comparing unbounded ranges.
2027 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
2029 * function.c (assign_stack_temp_for_type): Clear best_p
2030 when an exact match is found.
2032 * i386.h (LOCAL_ALIGNMENT): Define.
2033 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
2034 (assign_stack_temp_for_type): New function based on assign_stack_temp.
2035 (assign_stack_temp): Call it.
2036 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
2037 * stmt.c: Use assign_temp, not assign_stack_temp.
2038 * tm.texi: Document LOCAL_ALIGNMENT.
2040 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2042 * reorg.c: Finish deleting half-deleted comment.
2044 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2046 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2048 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2050 * real.c (endian): Delete sign extension code.
2051 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2052 replaced with operand_subword call.
2054 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2056 * alpha.md (cmov compound patterns): Delete. Jump can now
2057 create the correct constructs in the first place.
2059 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2061 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2063 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2065 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2067 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2069 * tmp-emsgids.c: Delete.
2071 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2073 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2076 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2078 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2080 * reload1.c (reload_combine_note_store): Second argument is no
2081 longer unused/ignored. Handle multi-register hard regs.
2082 (move2add_note_store): Simplify.
2084 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2086 * collect2.c (collect_execute): Remove cygwin-specific code.
2088 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2090 * system.h (_, N_): Remove dummy i18n macros.
2091 * protoize.c: Move inclusion of intl.h to after system.h.
2092 * cexp.y: Include intl.h.
2095 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2097 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2098 fpic/fPIC for windows32 targets.
2099 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2101 * i386/mingw32.h (CPP_SPEC): Define.
2102 (CPP_PREDEFINES): Add MINGW32 version id.
2103 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2105 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2106 add missing exeext to target.
2108 * gcc.c (convert_filename): Handle null filename argument.
2110 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2112 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2113 m constraint instead of QT.
2115 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2117 * cpplib.c (special_symbol): Move IP to be declared in function
2118 scope, rather than individual case statements.
2120 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2122 * cppfiles.c (finclude): Handle pipes properly under old BSD
2125 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2127 * system.h: Provide fallback definitions for S_ISCHR,
2128 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2130 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2132 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2134 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2136 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2137 "740", and "750" as valid arguments to --with-cpu.
2138 * configure: Rebuilt.
2140 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2142 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2143 * configure: Rebuilt.
2145 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2147 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2148 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2150 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2152 * output.h (current_function_has_computed_jump): Rename from
2153 current_function_addresses_labels.
2154 * function.h (struct function): Likewise for addresses_labels member.
2155 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2156 * function.c (current_function_has_computed_jump): Likewise.
2157 Update all references.
2158 * integrate.c (function_cannot_inline_p):
2159 Test current_function_has_computed_jump instead of addresses_labels.
2160 (initialize_for_inline): Likewise save.
2161 (output_inline_function): Likewise restore.
2163 * expr.c (expand_expr): Don't reference addresses_labels variables.
2164 * stmt.c (expand_computed_goto): Set has_computed_jump.
2166 1999-02-08 Michael Meissner <meissner@cygnus.com>
2168 This is being installed only to get it into the repository to help
2169 with the revert, resubmit & review process for the massive rs6000.md
2171 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2173 (anddi3_internal1): Ditto.
2174 (andsi3_internal{2,3}): Correct some insn lengths.
2175 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2178 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2180 * loop.c (reg_single_usage): New file-scope variable ...
2181 (scan_loop): ... moved out of here. Always initialize.
2182 Test loop_has_call instead of reg_single_usage not zero.
2183 Free reg_single_usage after strength reduction.
2184 (count_loop_regs_set): Assume single_usage non-zero.
2185 (combine_givs_used_by_other): Test reg_single_usage.
2186 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2187 as a parameter. Assume non-zero.
2189 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2191 * cpplib.c (special_symbol): Rewrite. Don't copy things
2192 multiple times. Handle __STDC__ specially. T_CONST
2193 indicates a constant /string/. Don't handle T_*_TYPE and
2194 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2195 adjust_position. Determine the file buffer only if needed.
2196 (initialize_builtins): Handle __SIZE_TYPE__,
2197 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2198 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2199 Don't provide __OBJC__; the driver does that. Provide
2200 __STDC_VERSION__, using T_CONST. Use T_STDC for
2201 __STDC__. Give install the length of all symbols defined.
2202 (eval_if_expression): Drop code to insert and remove the
2203 "defined" special symbol.
2205 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2206 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2208 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2209 the `value' parameter. All callers changed.
2210 * cpphash.h (install): Change prototype to match.
2211 (union hashval): Remove `ival' member.
2212 * cppexp.c (cpp_lex): Handle `defined' here.
2214 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2216 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2218 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2220 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2221 initialization of unions whose first member is a bitfield.
2222 Remove unnecessary code for checking the declaration mode
2223 after DECL_C_BIT_FIELD.
2225 * varasm.c (output_constructor): Additional comment about the
2226 constructor of bitfield union initialization.
2228 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2230 * config/c4x/c4x.md (*movhi_stik): New pattern.
2231 (movhi): Allow some immediate constants to be directly
2234 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2236 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2237 (call, call_value): Force address into a register if not valid
2238 for a call instruction.
2239 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2241 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2243 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2245 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2246 Rename from call_operand and symbolic_operand respectively. All
2248 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2250 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2252 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2254 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2256 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2257 LO_SUM address for HImode or HFmode but instead force address into
2258 a register so that it is offsettable.
2259 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2261 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2263 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2264 REG+REG addressing if strength reduction enabled.
2266 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2268 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2269 (TARGET_LIBGCC2_CFLAGS): Define.
2271 1999-02-08 Nick Clifton <nickc@cygnus.com>
2273 * config/v850/v850.md: Replace \\n\\t with \\;
2275 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2276 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2277 Enforce TARGET_LONG_CALLS option.
2279 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2281 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2283 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2285 * m88k/t-luna-gas: Remove bash dependency.
2287 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2289 * collect2.c (xrealloc): Fix typo in last change.
2291 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2293 * version.c: Bump for snapshot.
2295 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2297 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2298 that we do not want macro replacement within a character constant.
2299 (TYPE_CHECK1): Likewise.
2301 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2303 * tree.h (DECL_P): New macro.
2305 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2307 * version.c: Bump for snapshot.
2309 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2311 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2313 * README.g77, gcc.c, gcc.texi: Update email addresses.
2314 * invoke.texi system.h: Likewise.
2316 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2318 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2319 to convert dest_reg to new_reg.
2321 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2323 * reload1.c (reload_combine_note_store): Be more careful with
2324 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2325 (move2add_note_store): Likewise.
2327 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2330 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2333 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2335 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2338 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2339 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2340 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2341 (CPP_CPU_ARCH_SPEC): Likewise.
2342 (enum processor_type): Likewise.
2343 * config/arm/arm.md (attr cpu): Add arm9.
2345 General scheduling changes
2346 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2347 (max_insns_skipped): New variable.
2348 (arm_override_options): If generating hard floating point code for
2349 the FPA, emit code for version 3.
2350 When optimizing for space, don't synthesize constants.
2351 Reword several flags based on the requested processor and optimization
2353 (use_return_insn): New argument iscond, all callers changed. Don't
2354 use a return insn if it will be conditional and that would be
2355 expensive; eg on StrongARM.
2356 (arm_adjust_cost): Anti- and output- dependencies normally have no
2358 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2359 the sequence is short.
2360 (final_prescan_insn): Use max_insns_skipped instead of
2361 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2362 conditional, and aviod this if it would be expensive.
2363 * config/arm/arm.md (scheduling attributes and function units):
2364 Rewrite to better describe ARM8, 9 and StrongARM.
2366 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2368 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2369 arm_rhsm_operand. Rework constraints.
2370 (*if_plus_move): Likewise.
2371 (*ifcompare_move_plus): Likewise.
2372 (*if_move_plus): Likewise.
2373 (*ifcompre_arith_move): Likewise.
2374 (*if_arith_move): Likewise.
2375 (*ifcompare_move_arith): Likewise.
2376 (*if_move_arith): Likewise.
2378 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2380 1999-02-05 Michael Meissner <meissner@cygnus.com>
2382 * loop.c (check_dbra_loop): A store using an address giv for which
2383 we have no life information is not reversible.
2385 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2387 * function.c (fixup_var_refs): Scan catch_clauses too.
2389 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2391 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2392 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2394 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2396 * loop.c (strength_reduce): Clear not_every_iteration when
2397 passing the NOTE_INSN_LOOP_CONT note.
2399 * haifa-sched.c (add_dependence): Do not add a dependency on a
2402 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2404 * recog.c (split_block_insns): Only call update_flow_info if
2405 instruction scheduling is enabled.
2407 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2409 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2411 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2413 * loop.c (first_loop_store_insn): New file-scope variable.
2414 (prescan_loop): Set it.
2415 (check_dbra_loop): Check if a store depends on a register
2416 that is set after the store.
2418 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2420 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2421 Replace spaces with tabs where appropriate.
2423 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2425 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2426 (strength_reduce): New argument loop_cont. Changed caller.
2427 Before clearing not_every_iteration after a label, check if
2428 we are not already past LOOP_CONT.
2430 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2432 * cpperror.c (cpp_print_containing_files): Fix formatting
2433 bug induced by merge.
2435 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2437 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2438 (cpp_define): Remove redundant syntax checks.
2439 (make_assertion): Rename cpp_assert, remove redundant syntax
2441 (cpp_options_init): Don't init things to zero twice.
2442 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2443 (do_include): Kill excessively verbose #import warning that
2444 snuck back in in the gcc2 merge.
2445 (convert_string): Removed.
2446 (do_line): Rewrite with simple last-name-used cache instead of
2448 (cpp_start_read): Call initialize_char_syntax here, not...
2449 (cpp_reader_init): ...here.
2450 (cpp_handle_options): Support the -std switch.
2451 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2452 (cpp_options): Add c9x flag.
2453 Declare all the is_* tables and trigraph table here, as const.
2454 Prototype cpp_assert and initialize_char_syntax.
2455 * cppinit.c: New file.
2456 * cppfiles.c (read_and_prescan): Optimize.
2457 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2459 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2461 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2462 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2463 before calling gen_div_trap.
2465 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2467 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2468 than numeric value for target_cpu_default..
2469 * configure: Rebuilt.
2471 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2473 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2474 mkstemp. Get them from libiberty.
2475 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2476 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2477 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2478 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2480 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2482 * pa-hpux.h (LINK_SPEC): Likewise.
2483 * pa-hpux10.h (LINK_SPEC): Likewise.
2484 * pa-hpux9.h (LINK_SPEC): Likewise.
2485 * pa-osf.h: (LINK_SPEC): Likewise.
2486 * pa-pro.h (TARGET_DEFAULT): Likewise.
2487 * pa1.h (TARGET_DEFAULT): Likewise.
2488 * pa.h (MASK_*): New defines.
2489 (TARGET_*): Use symbolic values rather than numeric values.
2490 (TARGET_SWITCHES): Likewise.
2491 (TARGET_DEFAULT): likewise.
2492 (CPP_SPEC): likewise.
2494 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2496 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2497 * reload.c (find_reusable_reload): New function, broken out of
2498 push_reload. Add code to verify that none of the involved
2499 outputs are subject to earlyclobbers.
2500 (push_reload): Break out new function find_reusable_reload.
2501 Delete "register" keyword for IN, OUT args.
2503 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2505 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2506 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2507 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2508 Use true_reg_or_0_operand for div_trap.
2510 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2512 * loop.h (express_from): Declare.
2513 (struct induction): Replace derived flag with derived_from pointer.
2514 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2515 (express_from): No longer static.
2516 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2517 When processing an address giv with which another giv has been
2518 combined that has also been derived from a third giv, handle like
2519 having combined with the third giv.
2520 Set splittable_regs_updates appropriately for derived givs.
2522 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2524 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2526 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2528 * pa.c (insn_sets_and_refs_are_delayed): New function.
2529 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2530 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2532 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2534 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2535 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2536 (TARGET_LIBGCC2_CFLAGS): Define.
2537 (LIBGCC2_DEBUG_CFLAGS): Define.
2538 * config/arm/t-netbsd: Likewise.
2539 * config/arm/t-semi: Likewise.
2540 * config/arm/t-semiaof: Likewise.
2541 * config/arm/t-riscix: Likewise.
2543 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2545 * config/m68k/m68k.c (print_operand_address): When printing a
2546 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2548 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2550 * i386/freebsd*.h now allows '$' in label names and does not use the
2551 PCC struct return method.
2553 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2555 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2556 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2557 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2558 names if host == target.
2559 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2560 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2561 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2562 setting them to *_FOR_TARGET.
2563 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2566 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2568 * toplev.h (read_integral_parameter): Declare.
2569 * toplev.c (read_integral_parameter): New function.
2571 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2573 * resource.c, resource.h: New files.
2574 * Makefile.in (OBJS): Add it.
2576 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2577 (split_block_insns): Moved to recog.c.
2578 (update_flow_info): Make public.
2579 * rtl.h: Declare them.
2581 * reorg.c: Moved the functions dealing with computing resource
2582 usage to resource.c.
2584 * sched.c (regno_use_in): Moved to rtlanal.c.
2585 (update_flow_info): Make public.
2586 (schedule_insns): Use split_block_insns.
2588 * recog.c (split_block_insns): New function.
2590 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
2592 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2593 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2595 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2597 * configure.in (arm-*-oabi): Support.
2598 * configure: Regenerate.
2599 * config/arm/unknown-elf-oabi.h: New file.
2601 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2603 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2604 Make the anonymous pattern match when ! optimize_size.
2605 (ashlsi3 size optimizer): New pattern.
2607 * intl/Makefile.in (uninstall): Add missing "; \".
2609 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2611 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2614 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2616 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2617 to after find_and_verify_loops call.
2619 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2621 * (recombine_givs): Don't use a giv that's likely to be dead to
2624 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2625 wrap around when deriving givs.
2627 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2629 * recog.c (check_asm_operands): Treat indeterminate operand ok
2630 results as success. Try harder to resolve a matching constraint.
2631 * stmt.c (expand_asm_operands): Recognize when an output operand's
2632 constraint does not allow memory. Treat indeterminate operand ok
2633 results as failure. Try harder to resolve a matching constraint.
2635 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2637 Use varrays for constant-equivalence data:
2639 * varray.h (struct const_equiv_data): New type.
2640 (union varray_data_tag): New element const_equiv.
2641 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2642 (VARRAY_SIZE): New macro, returns number of elements.
2643 * integrate.h: Include varray.h.
2644 (struct inline_remap): Replace const_equiv_map, const_age_map and
2645 const_equiv_map_size with a const_equiv_varray element.
2646 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2648 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2649 simultaneously, growing the varray if needed.
2651 * integrate.c (global_const_equiv_map,
2652 global_const_equiv_map_size): Deleted, replaced by....
2653 (global_const_equiv_varray): New variable.
2654 (expand_inline_function): References changed.
2655 * integrate.h: Update declarations.
2657 * integrate.c (process_reg_parm, expand_inline_function,
2658 copy_rtx_and_substitute, try_constants, subst_constants,
2659 mark_stores): Use varray allocation and accessor macros, new
2660 integrate.h macros, and global_const_equiv_varray. Don't
2661 conditionalize non-NULL stores on array size; instead, expand the
2663 * unroll.c (unroll_loop): Likewise.
2665 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2666 zero. After allocating varray, always exit through bottom of
2667 function, where it can be deallocated if needed. Don't explicitly
2668 reallocate const_equiv_map storage; instead, just ensure the
2669 varray has been initialized, and update the global reference.
2671 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2673 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2675 * dwarf2out.c (inline): Don't define.
2677 * dwarfout.c (inline): Likewise.
2679 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2681 * loop.c (recombine_givs): Dump recombination and derivation data.
2683 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2685 * flags.h: Declare flag_no_ident.
2686 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2687 * c-tree.h: Don't declare flag_no_ident.
2688 * c-decl.c: Don't define flag_no_ident. Don't process
2689 -f(no-)ident switches here.
2691 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2692 only if !flag_no_ident.
2693 * config/ptx4.h: Likewise.
2694 * config/svr4.h: Likewise.
2695 * config/alpha/elf.h: Likewise.
2696 * config/arm/linux-elf.h: Likewise.
2697 * config/i386/sco5.h: Likewise.
2698 * config/i860/fx2800.h: Likewise.
2699 * config/mips/gnu.h: Likewise.
2700 * config/i386/osfrose.h: Likewise.
2702 * gcc.c (C specs): Map -Qn to -fno-ident.
2703 * objc/lang-specs.h: Likewise.
2705 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2707 * configure.in: Don't remove loop.o and unroll.o when
2708 enable-haifa is selected.
2709 * configure: Rebuilt.
2711 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2713 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2714 movxfcc, movdicc): Delete unconstrained alternatives.
2715 * i386.c (output_fp_conditional_move,
2716 output_int_conditional_move): Delete unused case.
2718 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2720 * version.c: Bump for snapshot.
2722 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2724 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2725 instead of bis and cpys. Combine alternatives where possible.
2727 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2729 * gcov.c (fnotice): Add missing FILE* parameter.
2730 (function_summary): Fix format specifiers in calls to `fnotice'.
2731 (output_data): Likewise.
2733 * toplev.c (fnotice): Constify char* parameter.
2735 * toplev.h (fnotice): Add prototype.
2736 Wrap prototype with BUFSIZ to protect FILE* usage.
2738 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2740 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2742 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2744 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2746 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2747 function definition.
2748 (aliases_everything_p, write_dependence_p):Likewise.
2750 * install.texi: Fix merge lossages.
2752 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2754 * collect2.c (main): Likewise.
2755 * cppmain.c (main): Likewise.
2756 * gcc.c (main): Likewise.
2757 * gcov.c (main): Likewise.
2758 * protoize.c (main): Likewise.
2759 * toplev.c (main): Likewise.
2761 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2764 * loop.c: Disable recent loop changes. Temporary as Joern
2765 continues to fix problems.
2767 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2769 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2771 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2773 * emit-rtl.c (remove_insn): New function.
2774 * rtl.h (remove_insn): Add prototype.
2775 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2777 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2779 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2781 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2783 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2784 when declaring arguments and calling va_arg() to initialize them.
2786 * collect2.c (notice): Likewise.
2788 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2790 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2792 * collect2.c (error): Fix typo in declaration.
2794 * cpperror.c (cpp_message): Likewise.
2796 * cpplib.c (cpp_warning): Likewise.
2798 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2801 * toplev.c (error): Fix typo in declaration.
2803 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2805 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2806 forward from cont dominator.
2808 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2810 * cccp.c (eprint_string): Constify a char*.
2811 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2812 (vnotice): Constify a char*.
2813 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2814 (verror): Constify a char*.
2815 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2816 (vwarning): Constify a char*.
2817 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2819 (verror_with_line): Constify a char*.
2820 (vwarning_with_line): Likewise.
2821 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2823 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2825 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2826 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2827 Also correct typo in parameter name declaration.
2828 (make_assertion): Constify a char*.
2829 (quote_string_for_make): Likewise.
2830 (deps_output): Likewise.
2831 (fatal): Likewise. Use PVPROTO not VPROTO, add
2832 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2833 "__attribute__ ((noreturn))".
2834 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2835 (pfatal_with_name): Likewise.
2836 (pipe_closed): Likewise.
2837 (memory_full): Likewise.
2839 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2841 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2842 may_not_optimize to proper size when converting biv increments
2844 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2847 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2849 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2850 generate complex adds. Changed caller.
2851 Don't generate adds that cost more than the original one.
2852 (strength_reduce): Warning fixes.
2854 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2856 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2857 * configure: Rebuilt.
2859 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2861 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2862 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2863 * loop.h (varray.h): Include.
2864 (struct induction): Change combined_with to unsigned.
2865 New members derived, ix and last_use.
2866 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2867 (REG_IV_TYPE, REG_IV_INFO): Define.
2868 (first_increment_giv, last_increment_giv): Declare.
2869 * loop.c (loop_number_loop_cont): New static variable.
2870 (loop_number_cont_dominator): Likewise.
2871 (reg_iv_type, reg_iv_info): Now varray_type.
2872 (first_increment_giv, last_increment_giv): New variables.
2873 (compute_luids, verify_dominator, find_life_end): New functions.
2874 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2875 (loop_optimize): Allocate loop_number_loop_cont and
2876 loop_number_cont_dominator. Use compute_luids.
2877 (find_and_verify_loops): Initialize loop_number_loop_cont and
2878 loop_number_cont_dominator.
2879 (strength_reduce): Try to find bivs that can be expressed as givs
2880 of another biv, and to convert biv increments into givs.
2881 Call recombine_givs. Handle derived givs.
2882 (record_biv): New argument location. All callers changed.
2883 (record_giv): Initialize derived and last_use fields.
2884 (basic_induction_var): New argument location. All callers changed.
2885 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
2886 Increment combined_with instead of setting to 1.
2887 * unroll.c (derived_regs): New static variable.
2888 (unroll_loop): Initialize it.
2889 Allocate local_regno according to max_reg_num.
2890 (copy_loop_body): Cope with derived givs.
2891 (find_splittable_givs): Check for Givs made from biv increments.
2892 Set derived_regs for givs.
2893 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
2895 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2897 * function.c (purge_addressof_1): Handle case when a register
2898 has been used in a wider mode.
2900 1999-01-27 Bruce Korb <autogen@linuxbox.com>
2902 * fixinc/fixincl.c, fixinc/server.[ch]:
2903 Removed the last of the capitalized variable and proc names.
2905 * fixinc/server.c: Removed the process open code
2906 * fixinc/procopen.c: New file containing the proc open code
2907 * fixinc/inclhack.tpl: Added code to bypass a readability test
2908 when a file is not present. A problem on some systems.
2909 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
2911 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2913 * cpplib.h (cpp_notice): Add prototype.
2915 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2917 * Merge gcc2 snapshot 19980929.
2919 * cccp.c (PRINTF_PROTO): Remove.
2920 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2922 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2924 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2925 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2926 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2928 * gen-protos.c (hashf): Delete in cpphash.o
2929 * gen-protos.c (hashf): Delete in cpphash.o
2931 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2932 * expmed.c: Likewise.
2933 * rs6000.md: Likewise.
2935 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2937 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2939 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2940 * rs6000.md (movsi, movdi): Likewise.
2942 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2944 * function.c (expand_function_end): Pass arg_pointer_save_area to
2945 validize_mem before using it. Emit code into a sequence.
2947 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
2949 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2950 '#' to split patterns. Correct indentation of some new patterns.
2952 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2954 * cppfiles.c (safe_read): Deleted.
2955 (read_and_prescan): New function, replaces safe_read, converts
2956 and/or warns about trigraphs, silently converts odd line
2957 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2958 (finclude): Use read_and_prescan; turn off nonblocking mode on
2959 the input descriptor; remove file-size-examination and
2960 no-newline-at-EOF gunk which is longer necessary; be more
2961 careful about checking that we've been handed a legitimate
2962 file to read (only real files, pipes, and ttys are acceptable).
2963 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2964 `trigraphs' and invert its sense.
2965 (trigraph_table): Declare.
2966 (cpp_warning_with_line): Prototype.
2967 * cpplib.c: Remove all references to trigraph_pcp. Define
2968 trigraph_table; initialize it in initialize_char_syntax. Open
2969 files in nonblocking mode. s/no_trigraphs/trigraphs/
2970 throughout, and invert sense. Put cpp_warning_with_line back
2973 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2975 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2976 * config/c4x/c4x.md (*rptb_init): Change constraints.
2977 (rptb_end): Emit alternate looping instructions if
2978 RC register not allocated for loop counter.
2979 (decrement_and_branch_on_count): Allow other registers
2982 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2984 * cppexp.c (struct arglist): Removed.
2985 (parse_number): Use HOST_WIDE_INT for the accumulator.
2986 Allow two `l' suffixes unless C89. Clean up. Make static.
2987 (parse_charconst): New function broken out of cpp_lex.
2988 Code cleaned up drastically. Don't use a token_buffer.
2989 (token_buffer): Removed.
2990 (cpp_lex): Don't call parse_number on a constant string.
2991 Use parse_charconst.
2992 (cpp_parse_expr): Properly handle an ERROR op returned by
2995 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2997 * cpplib.c: Don't include signal.h, sys/times.h, or
2998 sys/resource.h. Don't declare localtime.
2999 (macroexpand): Handle special symbols here.
3000 (push_macro_expansion): Chop off the trailing '@ ' if possible
3002 (cpp_get_token): Don't do either of the above two things here.
3003 Move `string' label just after case '"' so that wide strings
3004 don't crash the preprocessor.
3006 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
3008 * rs6000.md (left shift + set cr patterns): Add missing '#' to
3010 (move register + set cr pattern): Ditto.
3011 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
3012 inadvertently deleted.
3014 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
3016 * stmt.c (stmt_loop_nest_empty): New function.
3017 * tree.h (stmt_loop_nest_empty): Declare it.
3018 * rtl.def (CALL_PLACEHOLDER): New rtx code.
3020 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3022 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
3024 (c4x_check_legit_addr): Remove USE and PLUS, allow
3025 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
3026 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
3027 CONST cases. Add LO_SUM.
3028 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
3029 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
3030 (c4x_print_operand_address): Handle LO_SUM.
3031 (c4x_scan_for_ldp): Delete. Hooray!
3032 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
3034 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
3036 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
3038 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3040 (c4x_U_constraint, symbolic_operand): New functions.
3041 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3042 disable SYMBOL_REF, LABEL_REF, and CONST.
3043 (lsrc_operand, tsrc_operand): Call src_operand instead of
3045 (c4x_operand_subword): Update comments.
3047 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3048 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3049 plus HIGH and LO_SUM for the C40.
3050 (ENCODE_SECTION_INFO): Define macro.
3051 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3053 (PREDICATE_CODES): Add symbolic_operand.
3055 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3056 c4x_emit_move_sequence.
3057 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3058 to avoid symbol references.
3059 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3060 (set_high): Renamed from set_high_use.
3061 (set_lo_sum): Renamed from set_ior_lo_use.
3062 (all call patterns): Make MEM explicit in call address operands.
3063 Modified output templates to use 'U' modifier.
3065 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3067 * version.c: Bump for snapshot.
3069 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * final.c (bb_str): Qualify a char* with the keyword `const'.
3072 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3074 * fix-header.c (read_scan_file): Likewise.
3076 * genoutput.c (output_epilogue, process_template): Likewise.
3078 * local-alloc.c (requires_inout, block_alloc): Likewise.
3080 * output.h (output_asm_insn, assemble_string): Likewise.
3082 * recog.c (recog_constraints, check_asm_operands,
3083 decode_asm_operands, extract_insn, preprocess_constraints,
3084 constrain_operands): Likewise.
3086 * recog.h (operand_alternative, recog_constraints, insn_template,
3087 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3089 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3091 * regmove.c (find_matches): Likewise.
3093 * reload.c (alternative_allows_memconst): Likewise.
3095 * reload1.c (constraint_accepts_reg_p,
3096 reload_cse_simplify_operands): Likewise.
3098 * rtl.h (decode_asm_operands): Likewise.
3100 * scan.h (fn_decl): Likewise.
3102 * varasm.c (assemble_string): Likewise.
3104 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3106 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3107 not been explicitly set.
3108 * configure: Rebuilt.
3110 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3113 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3115 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3116 use $exec_prefix/$target_alias for gcc_tooldir.
3117 * configure: Rebuilt.
3119 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3121 * cppp.c (xrealloc): Fix typo last change.
3122 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3123 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3124 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3126 1999-01-22 Michael Meissner <meissner@cygnus.com>
3128 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3129 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3130 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3131 (cc_reg_not_cr0_operand): Add declaration.
3133 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3134 pseudo register, or a control register that is not CR0.
3136 * rs6000.md (all combiner patterns building . instructions): For
3137 all `.' instructions that do something and set cr0, add an
3138 alternative that does the operation, and then sets a different
3139 flag, in order to avoid using the costly mcrf instruction and also
3140 allow cr0 to be clobbered in asm statements. Also fix a few
3141 patterns that used the wrong register.
3143 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3144 (rs6000_debug_name): Make const char *, not char *.
3146 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3148 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3149 (rs6000_select): Use const char * in casts.
3151 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3153 * Makefile.in (gcc_tooldir): Move before first reference.
3154 Let autoconf substitute in a value.
3155 * configure.in (gcc_tooldir): Only use a relative path to the
3156 tool directory if $exec_prefix == $prefix.
3157 * configure: Rebuilt.
3159 * Makefile.in (tooldir): Replace with gcc_tooldir.
3161 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3163 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3164 (ashldi3 expander): Similarly. Update comments.
3165 (ashrdi_const, lshrdi_const): Fix indention.
3166 (ashrdi3, lshrdi3): FIx indention. Update comments.
3168 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3170 * emit-rtl.c (try_split): Don't try to split non-instructions.
3172 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3174 * expr.c (emit_push_insn): Fix dumb typo.
3176 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3178 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3179 transformations that we have performed earlier.
3180 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3182 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3183 handling, call gen_label_rtx instead.
3185 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3187 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3189 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3190 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3191 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3192 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3193 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3195 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3197 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3198 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3199 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3200 * configure: Regenerate.
3202 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3204 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3206 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3208 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3210 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3212 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3213 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3214 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3215 (move_by_pieces): Use new macros.
3216 (emit_block_move): Use new macros.
3217 (clear_by_pieces): Use new macros.
3218 (clear_storage): Use new macros.
3219 (emit_push_insn): Use new macros.
3220 (expand_expr): Use new macros.
3221 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3223 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3224 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3225 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3226 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3227 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3228 USE_STORE_PRE_DECREMENT): Describe new macros.
3230 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3232 * varasm.c (output_constant_pool): Use floor_log2 instead of
3233 exact_log2 for ASM_OUTPUT_ALIGN.
3235 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3237 * emit-rtl.c (operand_subword): Handle case when a subword outside
3240 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3243 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3245 * cse.c (fold_rtx): Revert 29 Dec change.
3246 (cse_insn): Revert 12 Jan change.
3247 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3248 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3249 * rtl.def: Likewise.
3250 * rtl.h (CONSTANT_P): Likewise.
3252 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3254 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3255 * alpha.c (input_operand): Likewise.
3256 * c4x.c (const_operand): Likewise.
3258 * explow.c (allocate_dynamic_stack_space): Use register_operand
3259 instead of arith_operand, which does not exist.
3261 * 1750a.h: Fix comment closure.
3262 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3263 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3264 * arm.h (TARGET_SWITCHES): Fix typo.
3265 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3266 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3267 (output_delay_insn): Likewise.
3268 * m88k.md (anon rotate insns): Fix set mode mismatch.
3269 (anon BLKmode moves): Commonize and fix set mode mismatches.
3270 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3271 * romp.md (movdf): Fix typo.
3273 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3275 * Makefile.in (install-common): Remove extraneous chmod for gcov
3278 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3280 * function.c (assign_parms): Save and restore setting of
3283 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3285 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3286 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3288 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3290 * recog.c (pop_operand): New function.
3291 * recog.h (pop_operand): Declare it.
3292 * genrecog.c (preds): Define it.
3294 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3295 emitting multiple jump instructions.
3296 * jump.c (condjump_label): New function.
3297 * rtl.h (condjump_label): Declare it.
3299 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3301 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3302 clobber during or after reload.
3304 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3306 * genoutput.c (name_for_index): New function.
3307 (scan_operands, validate_insn_alternatives): Use it.
3308 * genrecog.c (insn_name_ptr_size): New variable.
3309 (make_insn_sequence): Fill in insn_name_ptr.
3310 (merge_trees): Use it.
3312 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3314 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3315 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3316 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3318 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3320 * loop.c (NUM_STORES): Delete.
3321 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3322 (prescan_loop): Properly initialize loop_mems_idx.
3323 (note_addr_stored): Simplify using list structure instead of
3325 (invariant_p, check_dbra_loop, load_mems): Similarly.
3327 * flow.c (invalidate_from_autoinc): New function.
3328 (mark_set_1, mark_used_regs): Use it.
3330 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3332 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3334 * invoke.texi (-mlong-double-64): New option description.
3336 1999-01-19 Jim Wilson <wilson@cygnus.com>
3338 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3339 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3340 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3342 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3343 (CPP_SPECS): Add -mlong-double-64 support.
3344 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3345 (TARGET_SWITCHES): Add -mlong-double-64 support.
3346 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3347 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3348 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3349 (CPP_SPECS): Add -mlong-double-64 support.
3350 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3351 (MULTILIB_DIRNAMES): Add ld64.
3352 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3354 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3356 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3357 invisible reference.
3359 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3361 * rs6000.c (offsettable_addr_operand): Delete.
3362 (offsettable_mem_operand): New function.
3363 * rs6000.h (PREDICATE_CODES): Reflect function change.
3364 (RS6000_SAVE_TOC): Represent address as MEM.
3365 * win-nt.h (RS6000_SAVE_TOC): Same.
3366 * rs6000.md (indirect calls): Change offsettable address parameter
3367 to offsettable memory parameter.
3369 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3371 * rtl.h (rtx_def): Update documentation.
3372 (MEM_IN_STRUCT_P): Likewise.
3373 (MEM_SCALAR_P): New macro.
3374 (MEM_COPY_ATTRIBUTES): Likewise.
3375 (MEM_SET_IN_STRUCT_P): Likewise.
3376 * rtl.texi (MEM_SCALAR_P): Document.
3377 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3378 (fixed_scalar_and_varying_struct_p): New function. Use
3379 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3380 (aliases_everything_p): Likewise.
3381 (true_dependence): Use them.
3382 (write_dependence_p): New function, containing code common to
3383 anti_dependence and output_dependence.
3384 (anti_dependence): Use it.
3385 (output_dependence): Likewise.
3386 * calls.c (save_fixed_argument_area): Don't clear
3388 (expand_call): Use MEM_SET_IN_STRUCT_P.
3389 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3390 (emit_library_call_value): Likewise.
3391 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3392 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3393 (make_extraction): Likewise.
3394 (simplify_shift_const): Likewise.
3395 (gen_lowpart_for_combine): Likewise.
3396 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3397 * emit-rtl.c (operand_subword): Likewise.
3398 (change_address): Likewise.
3399 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3400 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3401 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3402 (copy_blkmode_from_reg): Likewise.
3403 (store_field): Likewise.
3404 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3405 heuristically. Use MEM_SET_IN_STRUCT_P.
3406 (get_memory_rtx): Likewise.
3407 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3408 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3409 MEM_ALIAS_SET on newly returned MEMs.
3410 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3411 (put_reg_into_stack): Likewise.
3412 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3413 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3414 (assign_parms): Likewise.
3415 (expand_function): Likewise.
3416 * integrate.c (expand_inline_function): Likewise.
3417 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3418 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3419 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3420 * print-rtl.c (print_rtx): Print /f for frame_related.
3421 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3422 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3423 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3424 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3425 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3426 (output_constant_def): Likewise.
3427 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3429 (a29k_set_memflags): Use it.
3430 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3431 * c4x.c (c4x_scan_for_ld): Likewise.
3432 * h8300.c (fix_bit_operand): Likewise.
3433 * m88k.c (legitimize_address): Likewise.
3434 (block_move_loop): Likewise.
3435 (block_move_no_loop): Likewise.
3436 (block_move_sequence): Likewise.
3437 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3438 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3439 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3440 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3441 * arm.h (arm_gen_load_multiple): Take scalar_p.
3442 (arm_store_load_multiple): Likewise.
3443 * arm.c (arm_gen_load_multiple): Likewise.
3444 (arm_gen_store_multiple): Likewise.
3445 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3447 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3449 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3450 calls within a libcall block to indicate no throws are possible.
3451 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3452 libcall blocks. Don't add edges to exception handlers if we see
3453 a REG_EH_REGION note with a value of 0.
3454 (make_edges): Override active_eh_region vector if the call has a note
3455 indicating the call does not throw.
3457 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3459 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3461 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3463 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3465 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3467 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3469 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3471 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3472 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3475 1999-01-18 Michael Meissner <meissner@cygnus.com>
3477 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3478 supported with -mcpu=xxx.
3479 (processor_type): Add PROCESSOR_PPC750.
3480 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3481 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3482 (rs6000_adjust_priority): Add declaration.
3484 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3485 processor type as 750, not 603. Allow -mmultiple and -mstring on
3486 little endian 750 systems.
3487 (rs6000_adjust_priority): Stub for now.
3488 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3490 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3492 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3494 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3496 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3497 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3499 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3502 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3504 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3506 * config/mips/mips.md (div_trap): Split div_trap_mips16
3508 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3510 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3512 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3513 Instead of writing to const char *buf directly, use a non-const
3514 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3516 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3519 * dyn-string.c (dyn_string_append): Likewise.
3521 * dyn-string.h (dyn_string_append): Likewise.
3523 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3525 * output.h (end_final, output_operand_lossage, asm_fprintf,
3526 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3529 * profile.c (init_branch_prob): Likewise.
3531 * toplev.c (set_target_switch, vmessage,
3532 v_message_with_file_and_line, v_message_with_decl,
3533 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3534 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3535 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3536 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3537 open_dump_file, dump_rtl, clean_dump_file,
3538 print_version, print_single_switch, print_switch_values,
3539 dump_base_name, debug_args, lang_independent_options,
3540 user_label_prefix, documented_lang_options, target_switches,
3541 target_options, print_time, pfatal_with_name, fatal_io_error,
3542 fatal_insn, default_print_error_function, print_error_function,
3543 report_error_function, error_with_file_and_line, error_with_decl,
3544 error_for_asm, error, fatal, warning_with_file_and_line,
3545 warning_with_decl, warning_for_asm, warning, pedwarn,
3546 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3547 really_sorry, botch, output_quoted_string, output_file_directive,
3548 open_dump_file, rest_of_decl_compilation, display_help, main):
3551 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3552 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3553 warning_with_file_and_line, error_with_file_and_line, sorry,
3554 really_sorry, default_print_error_function, report_error_function,
3555 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3556 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3557 output_file_directive, botch): Likewise.
3559 * tree.h (make_decl_rtl): Likewise.
3561 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3562 make_decl_rtl): Likewise.
3564 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3566 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3567 directory logically rather than physically.
3569 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3571 * loop.c (insert_bct): Hide the definition of variables
3572 `increment_direction', `compare_direction', `add_iteration' and
3575 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3576 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3577 (mode_independent_operand): Mark label `lose' with
3578 ATTRIBUTE_UNUSED_LABEL.
3580 * regclass.c (n_occurrences): Remove prototype and definition.
3582 * reload.c (find_reloads_address_1): Mark variable `tem' with
3585 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3587 * sbitmap.c (sbitmap_copy): Likewise.
3589 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3591 * toplev.c (output_lang_identify): Mark prototype with
3594 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3595 (make_tree_vec): Likewise.
3598 * varasm.c (assemble_static_space): Mark variable `tem' with
3601 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3603 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3604 (install-common): Use it.
3605 (uninstall): Use it.
3606 (uninstall): Use correct names for protoize and unprotoize.
3608 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3609 Jeffrey A Law (law@cygnus.com)
3611 * flow.c (last_mem_set): Delete variable. References removed.
3612 (mem_set_list): New variable.
3613 (life_analysis): Initialize and finalize alias analysis.
3614 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3615 (insn_dead_p): For a store to memory, search the entire mem_set_list
3617 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3618 changes to their addresses. Add new entries to the mem_set_list for
3619 memory writes writes.
3620 (mark_used_regs): Kill entries on the mem_set_list which may be
3621 referenced by a load operation.
3623 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3625 * alias.c (base_alias_check): Add missing return for differing
3628 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3630 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3631 missing local symbols.
3633 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3635 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3637 * system.h (bcopy): Implement with memmove not memcpy.
3639 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3641 * Makefile.in (cppulp.o): Add dependencies.
3643 * i386.md (integer conditional moves): Add missing earlyclobbers.
3645 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3646 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3647 where a register is live.
3649 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3651 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3652 of a FP conditional move is not on the FP register stack.
3654 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3656 * version.c: Bump for snapshot.
3658 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3660 * reload1.c (reload_cse_regs_1): Do not call
3661 reload_cse_simplify_operands for an insn with asm operands.
3663 * cccp.c (print_help): Fix typos.
3664 * cpplib.c (print_help): Fix typos.
3665 * toplev.c (f_optiosn): Fix typos.
3666 (documented_lang_options): Fix typos.
3668 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3670 * gcc.c: (do_spec_1): Fix obvious typo.
3672 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3674 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3675 a non-static function declaration follows a static one.
3677 * invoke.texi (-Wtraditional): Document the extra check now done
3680 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3682 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3683 needed without the addition.
3685 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3687 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3689 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3691 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3693 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
3695 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3696 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3697 non_add_cint_operand, non_logical_cint_operand): Likewise.
3698 (get_issue_rate): Add CPU_PPC604E case.
3699 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3701 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3703 * expr.c (queued_subexp_p): Make public.
3704 * expr.h (queued_subexp_p): Declare it.
3705 * recog.c (asm_operand_ok): New function.
3706 (check_asm_operands): Use it. After reload, use constrain_operands
3708 * recog.h (asm_operand_ok): Declare it.
3709 * stmt.c (expand_asm_operands): Use it to try harder to make
3710 asms initially satisfy their constraints.
3712 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3714 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3715 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3717 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3719 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3720 in delay slot of RPTBD.
3722 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3724 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3725 divide and modulo sign problem.
3727 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3729 * unroll.c (loop_iterations): Return 0 if the last loop insn
3730 is not a jump insn or if the loop has multiple back edges.
3732 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3734 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3735 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3737 * configure: Regenerate using autoconf.
3739 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3741 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3743 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3744 a register with another DEST_ADDR giv if the address is not valid.
3746 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3747 around the call to mcount.
3749 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3751 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3752 generating non-canonical rtl.
3754 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3756 * config/i960/i960.c (i960_output_move_double_zero,
3757 i960_output_move_quad_zero): New functions for moving zeros.
3758 (i960_output_move_double, i960_output_move_quad): Additional code
3759 for situation when moving unaligned register group.
3761 * config/i960/i960.h (i960_output_move_double_zero,
3762 i960_output_move_quad_zero): The function definitions.
3764 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3766 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3768 * config/i960/i960.c (i960_function_prologue): New code (optimal
3769 solution) for saving global registers in local registers.
3770 (form_reg_groups, reg_group_compare, split_reg_group): New
3771 functions used by the code.
3772 (reg_group): New structure definition for the new code.
3774 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3776 * fixinc/fixincl.c (create_file): Pass file creation mask as
3777 third parameter to "open". Use O_TRUNC flag to open instead of
3778 explicitly unlink'ing the file.
3779 (process): and forget about the "chmod" stuff.
3781 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3783 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3784 and substitute. Copy the return value from there into a new pseudo.
3786 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3788 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3789 before generating a call to abort for volatile functions.
3790 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3791 (TARGET_ABORT_NORETURN): Define.
3792 (abort-on-noreturn): New option.
3794 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3796 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3797 and binarycc operations in 3rd annulled delay slot!
3799 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3801 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3802 before generating a call to abort for volatile functions.
3803 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3804 (TARGET_ABORT_NORETURN): Define.
3805 (abort-on-noreturn): New option.
3807 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3809 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3810 Remove prototype which we get from libiberty.h.
3812 * collect2.c (xstrdup): Likewise.
3814 * genextract.c (xstrdup): Likewise for `copystr'.
3815 (mybzero): Remove it and use `memset' instead.
3817 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3818 to use `memcpy' and `memset' instead.
3820 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3821 changed. Remove prototype.
3822 (mybcopy, mybzero): Remove these and use memcpy/memset.
3824 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3826 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3827 generating code for TARGET_64BIT.
3829 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
3831 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3832 HOST_WIDE_INT word-size.
3833 (rs6000_stack_info): Remove redundant alignment of fpmem.
3835 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3837 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3838 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3839 (input_operand): Adjust CONSTANT_P_RTX handling.
3840 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3841 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3842 (movhi, movqi): Remove CONSANT_P_RTX handling.
3843 (movdi): Adjust CONSTANT_P_RTX handling.
3845 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3847 * configure: Regenerate using autoconf.
3849 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3850 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3851 (process): "fchmod" isn't available on all systems, use "chmod"
3853 * fixinc/server.c: Add #include <sys/types.h>.
3854 (STDIN_FILENO): Add default definition if no include file defines
3856 (STDOUT_FILENO): Likewise.
3858 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3860 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3862 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3864 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3865 ensure all prototypes necessary for building libio will be available.
3866 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3867 definitions here as they are not host specific.
3868 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3870 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3872 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3874 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3876 * version.c: Bump for snapshot.
3878 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3880 * rtl.c (rtx_alloc): Use memset instead of inline loop.
3882 * recog.h (recog_op_alt): Declare extern.
3884 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
3886 * function.c (purge_addressof_1): If the note accesses a mem+addressof
3887 in a wider mode than any replacement, adjust the cached replacement.
3888 Cache trivial substitutions as well.
3890 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
3892 * Makefile.in (OBJECTS): Add sbitmap.o.
3893 (BASIC_BLOCK_H): Add sbitmap.h.
3894 * basic-block.h: Move simple bitmap code to sbitmap.h.
3895 * flow.c: Move simple bitmap code to sbitmap.c
3896 * sbitmap.h, sbitmap.c: New files.
3898 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
3900 * alpha.h (TARGET_SWITCHES): Document switches.
3901 (TARGET_OPTIONS): Likewise.
3903 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
3905 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
3907 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
3909 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3911 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
3912 (basic_block_end): Rename to x_basic_block_end.
3913 (BLOCK_HEAD, BLOCK_END): Update.
3915 * caller-save.c: Change basic_block_head/end references to
3917 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
3918 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
3919 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
3921 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3923 * gcc.c (xstrerror): Renamed from my_strerror. All callers
3924 changed. Remove prototype since we get that from libiberty.h.
3926 * protoize.c (xstrerror): Likewise.
3928 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3930 * gcc.c (read_specs): Ensure format specifiers match their arguments.
3932 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
3934 * tree.c (copy_node): Oops. That would be copy not zero
3935 in that last change.
3937 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3939 * config/c4x/c4x.c: Include system.h.
3940 (c4x_caller_save_map): Disable caller save for RC.
3941 (c4x_optimization_options): Disable scheduling before reload.
3942 (valid_parallel_load_store) : Define return type as int.
3943 Remove unused variable regs.
3944 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3946 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3948 (*db, decrement_and_branch_until_zero): Fix up constraints
3949 to keep reload happy.
3951 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3953 * tree.c (make_node): Call bzero instead of inline clear.
3954 (copy_node, make_tree_vec, build1): Likewise.
3955 (get_identifier): Call strlen instead of inline count.
3956 (maybe_get_identifier): Likewise.
3958 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3960 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3961 operations in 3rd annulled delay slot.
3962 (*lshrqi3_const_set): Disallow c constraint for operand0.
3963 (modhi3+1, modhi3+2): Set attribute type to multi.
3964 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3967 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3969 * gansidecl.h: Allow attribute unused on labels only when we are
3970 version 2.93 or higher. Not all versions of 2.92 have this feature.
3972 * version.c: Bump minor number to 93.
3974 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3976 * config/m68k/m68k.h: Declare output_function_epilogue.
3977 * recog.h: Declare next_insn_tests_no_inequality.
3979 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3981 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3982 (expand_return): Use optimize_tail_recursion.
3983 * tree.h (optimize_tail_recursion): Declare.
3985 * toplev.c (compile_file): Move call to output_func_start_profiler
3986 to after the loop to emit deferred functions.
3988 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3990 * system.h (abort): Supply more detailed information on how to
3991 report an Internal Compiler Error.
3993 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
3995 * fixinc/fixincl.c (*): more decapitalization of variables
3996 plus some explanitory comments
3998 * fixinc/Makefile.in fixinc/mkfixinc.sh:
3999 When the fixincl program does not work for a certain system,
4000 we substitute a shell script. Added user commentary when
4003 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
4005 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4006 allocate memory that will live beyond this function.
4007 (expand_call): Free it here.
4009 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
4011 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
4012 integer data not destined for fp regs.
4013 (LEGITIMIZE_RELOAD_ADDRESS): New.
4015 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
4016 Richard Henderson <rth@cygnus.com>
4018 Support for Hypersparc and Sparclite86x:
4019 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
4020 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
4021 (ASM_CPU32_DEFAULT_SPEC): Likewise.
4022 (TARGET_CPU_DEFAULT): Likewise.
4023 (enum processor_type): Likewise.
4024 (CPP_ENDIAN_SPEC): Handle little endian data.
4025 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
4026 (ADJUST_COST): Call sparc_adjust_cost.
4027 * sparc.c (sparc_override_options): Fix up for the new targets.
4028 (supersparc_adjust_cost): Make static.
4029 (hypersparc_adjust_cost): New.
4030 (ultrasparc_adjust_cost): Make static.
4031 (sparc_adjust_cost): New.
4032 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
4033 (function_unit): Add hypersparc scheduling rules.
4035 * configure.in (with_cpu handler): Recognize hypersparc.
4037 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4039 * config/c4x/c4x.c: Added space after negation operator.
4040 * config/c4x/c4x.h: Likewise.
4041 * config/c4x/c4x.md: Likewise.
4043 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4045 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4047 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4049 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4050 when a test can't be performed due to limited width of
4051 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4052 Fix UDIV case for cases where the first operand has the highest bit
4055 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4057 * pa.h (reg_class): Add FPUPPER_REGS.
4058 (REG_CLASS_NAMES): Similarly.
4059 (REG_CLASS_CONTENTS): Similarly
4060 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4061 (FP_REG_CLASS_P): Likewise.
4062 (REG_CLASS_FROM_LETTER): Similarly.
4063 (CLASS_MAX_NREGS): Similarly.
4065 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4067 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4068 for a typedef of bool. Make sure to have a copy of the file is
4069 in place before we look to fix it. Fix typo in variable name to
4072 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4074 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4075 value_mode for the return mode.
4077 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4079 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4080 debugging as default.
4082 * config/tm-dwarf2.h: New file.
4084 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4086 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4088 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4089 * local-alloc.c (update_equiv_regs): Corresponding changes.
4090 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4092 * calls.c (special_function_p): Push alloca test inside the large
4093 conditional which excludes functions not at file scope or not
4096 * calls.c (special_function_p): New function broken out of
4098 (precompute_register_parameters): Likewise.
4099 (store_one_arg): Likewise.
4100 (store_unaligned_argumetns_into_pseudos): Likewise.
4101 (save_fixed_argument_area): Likewise.
4102 (restore_fixed_argument_area): Likewise.
4103 (expand_call): Corresponding changes.
4105 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4107 * config/c4x/c4x.md (addqi3): If the destination operand is
4108 a hard register other than an extended precision register,
4109 emit addqi3_noclobber.
4110 (*addqi3_noclobber_reload): New pattern added so that reload
4111 will recognise a store of a pseudo, equivalent to the sum
4112 of the frame pointer and a constant, as an add insn.
4114 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4116 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4117 fixinc/server.c: Likewise.
4118 fixinc/server.h: Likewise.
4120 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4122 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4124 (const_sint32_operand): Likewise.
4126 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4128 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4129 is a macro when deciding if we can use `jmp_buf' in prototypes.
4131 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4133 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4134 * configure: Rebuilt.
4135 * i386/xm-go32.h: Define LIBSTDCXX.
4137 * i386/go32.h (MD_EXEC_PREFIX): Define.
4138 (FILE_NAME_ABSOLUTE_P): Define.
4139 (LINK_COMMAND_SPEC): Define.
4141 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4143 * expr.c (store_expr): If the lhs is a memory location pointed
4144 to be a postincremented (or postdecremented) pointer, always
4145 force the rhs to be evaluated into a pseudo.
4147 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4149 * real.c (mtherr): Print more reasonable warning messages.
4151 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4153 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4155 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4156 (new_include_prefix): Constify char* parameters.
4158 * cppfiles.c (read_name_map): Likewise.
4159 (append_include_chain): Likewise. Also, use a writable char* copy
4160 of parameter `dir' which we then modify, rather than using the
4161 parameter itself to store the new writable string.
4162 (remap_filename): Constify some variables. Also, use a writable
4163 char* to store an allocated string which we will be modifying.
4165 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4166 (cpp_start_read): Constify variable `str'.
4168 * cpplib.h (append_include_chain): Constify a char* parameter.
4170 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4171 (add_prefix, save_string): Constify char* parameters.
4172 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4174 * prefix.c: Include prefix.h.
4175 (get_key_value, translate_name, save_string, update_path,
4176 set_std_prefix): Constify various char* parameters and variables.
4177 (save_string): Use xmalloc, not malloc.
4178 (translate_name): Use a writable temporary variable to create and
4179 modify a string before setting it to a const char*.
4181 * prefix.h: New file to prototype functions exported from prefix.c.
4183 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4185 * fixinc/fixincl.c (various): added debug code so
4186 Manfred can trace the processing.
4188 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4189 struct utsname on Ultrix V4.[35].
4191 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4193 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4195 * cpplib.c (skip_if_group): Split out the logic that handles
4196 directive recognition to its own function. Don't use
4197 parse markers; use a bare pointer into the buffer. Use
4198 copy/skip_rest_of_line instead of doing it by hand. Remove
4199 `return on any directive' mode which was never used, and take
4201 (consider_directive_while_skipping): New function, subroutine
4202 of skip_if_group. Logic streamlined a bit.
4203 (conditional_skip, do_elif, do_else): Call skip_if_group with
4206 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4208 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4211 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4213 * extend.texi (Bound member functions): Document.
4215 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4217 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4218 lang_to_string, type_to_string): Make return type const char*.
4219 (print_symbol): Apply `const' keyword to a char*.
4220 (print_file_desc): Cast structure member `crfd' to ulong when
4221 comparing against one.
4223 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4224 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4225 (progname, input_name): Apply `const' keyword to a char*.
4226 Don't redundantly include sys/stat.h.
4227 (alloc_info): Apply `const' keyword to a char*.
4228 (st_to_string, sc_to_string): Likewise.
4229 (hash_string): Cast variable `hash_string' to a symint_t when
4230 comparing against one.
4231 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4232 Likewise cast it to long when comparing against one.
4233 (add_local_symbol): Apply `const' keyword to a char*.
4234 (add_ext_symbol): Likewise.
4235 (add_unknown_tag): Likewise.
4236 (add_procedure): Cast a printf-style field width to an int.
4237 (add_file): Cast PAGE_USIZE to long when comparing against one
4238 (parse_begin): Cast a printf-style field width to an int.
4239 (parse_bend): Likewise.
4240 (parse_def): Likewise.
4241 (parse_end): Likewise.
4242 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4243 (parse_stabs_common): Fix format specifier.
4244 (parse_input): Change type of variable `i' to Size_t.
4245 (write_object): Fix arguments to match format specifiers.
4246 Cast variable `num_write' to long when comparing against one.
4247 (read_seek): Cast variable `sys_read' to symint_t when comparing
4248 against one. Fix arguments to match format specifiers. Cast
4249 variable `size' to long when comparing against one.
4250 (copy_object): Cast result of `sizeof' to int when comparing
4251 against one. Fix arguments to match format specifiers. Cast
4252 variable `ifd' to long when comparing against a signed value.
4255 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4257 * c-common.c (decl_attributes): Allow applying attribute `unused'
4260 * c-parse.in (label): Parse attributes after a label, and call
4261 `decl_attributes' to handle them.
4263 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4265 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4266 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4268 * invoke.texi: Note that labels can be marked `unused'.
4270 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4272 * version.c: Bump for snapshot.
4274 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4276 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4277 RTL for a compare/jump sequence.
4279 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4281 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4282 for a target with HAVE_cc0 defined.
4283 (emit_cmp_and_jump_insns): New function.
4284 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4285 * loop.c (check_dbra_loop): Use it to replace calls
4286 to emit_cmp_insn and emit_jump_insn and to canonicalise
4287 the comparison if necessary.
4288 * unroll.c (unroll_loop): Likewise.
4290 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4292 * fixincludes (sys/utsname.h): Provide forward declaration of
4293 struct utsname on Ultrix V4.[35].
4295 * mips.md (div_trap): Use local labels instead of dot-relative
4298 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4300 * pa.md (branch, negated branch): Handle (const_int 0) as first
4302 * pa.c (output_cbranch): Likewise.
4304 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4306 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4309 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4311 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4313 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4315 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4317 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4319 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4320 (adddi_dishl32): Similarly.
4322 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4323 for each insn in the skipped block.
4325 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4326 constraints after replacing a register address with an autoincrement
4327 address for reload inheritance purposes.
4329 * i386.md (doubleword shifts): Avoid namespace pollution.
4331 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4333 * configure.in (FreeBSD ELF): Needs special crt files.
4335 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4337 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4339 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4341 * loop.c (check_dbra_loop): While reversing the loop, if the
4342 comparison value has a VOID mode use the mode of the other operand
4343 to compute the mask.
4345 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4347 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4348 avoid warnings in compiling explow.c.
4350 (patch from Ken Raeburn, raeburn@cygnus.com)
4351 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4352 fpmem_offset. Compute total size after that, and then
4353 rs6000_fpmem_offset using both values.
4355 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4357 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4358 the future; indeed that already happens in some cases.
4360 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4362 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4363 (arith_operand): Remove constant_p_rtx handling.
4364 (const64_operand, const64_high_operand): Likewise.
4365 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4366 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4367 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4368 * sparc.h (PREDICATE_CODES): Likewise.
4370 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4372 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4374 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4375 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4376 consider constant CONSTRUCTOR constant and to defer some cases
4378 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4379 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4381 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4383 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4384 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4386 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4387 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4388 (sext_add_operand, and_operand, or_operand): Likewise.
4389 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4390 * alpha.h (PREDICATE_CODES): Likewise.
4392 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4394 * version.c: Bump for snapshot.
4396 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4398 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4399 of dangerous casts and stores.
4401 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4403 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4405 * alpha.md (builtin_longjmp): Add missing "DONE".
4407 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4409 * gcc.c (execute): Enable -pipe with win32.
4411 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4413 * config/arm/t-arm-elf: Add multiplib option for leading
4416 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4417 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4419 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4420 than variable 'reload_address_base_reg_class'. [Note this
4421 change is unrelated to the others in this patch].
4423 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4426 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4428 * alias.c (record_alias_subset): Remove ignored `&'.
4429 (init_alias_once): Likewise.
4431 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4433 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4434 fwrite to `int' when comparing against one.
4436 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4437 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4439 * cse.c (rehash_using_reg): Change type of variable `i' to
4442 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4443 assigning it to one.
4445 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4447 * final.c (final_scan_insn): Likewise for variable `i'.
4448 (output_asm_insn): Cast a char to unsigned char when used as an
4451 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4452 assigning it to one.
4454 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4456 * recog.c (preprocess_constraints): Cast a char to unsigned char
4457 when used as an array index.
4459 * regmove.c (find_matches): Likewise.
4461 * reload1.c (calculate_needs): Add default case in switch.
4462 (eliminate_regs_in_insn): Initialize variable `offset'.
4463 (set_offsets_for_label): Change type of variable `i' to unsigned.
4464 (reload_as_needed): Wrap variable `i' in macro check on
4465 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4467 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4468 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4469 when comparing against one.
4471 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4472 unsigned when comparing against one. Likewise for
4473 GET_MODE_ALIGNMENT().
4474 (layout_record): Cast record_align to int when comparing against a
4476 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4479 * tree.c (get_identifier): Cast variable `len' to unsigned when
4480 comparing against one.
4481 (maybe_get_identifier): Likewise
4483 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4485 * toplev.c (rest_of_compilation): Do not set reload_completed.
4486 * reload1.c (reload): Set reload_completed before calling
4487 cleanup_subreg_operands.
4489 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4491 * reload1.c (emit_reload_insns): Check `set' not null before use.
4493 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4495 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4498 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4500 * halfpic.c (half_pic_encode): Delete redundant code.
4502 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4504 * toplev.c (main): Delete handling of -dM as a preprocessor
4507 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4509 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4510 -dI, which are handled by the preprocessor.
4512 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4514 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4515 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4517 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4519 * version.c: Bump for snapshot.
4521 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4523 * version.c: Bump for snapshot.
4525 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4527 * version.c: Bump for snapshot.
4529 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4531 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4533 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4534 write_unit_name, write_eligible_delay, expand_units,
4535 make_length_attrs, write_attr_case, find_attr,
4536 make_internal_attr): Likewise.
4537 * gencheck.c (tree_codes): Likewise.
4538 * gencodes.c (fatal): Likewise.
4539 * genconfig.c (fatal): Likewise.
4540 * genemit.c (fatal): Likewise.
4541 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4542 * genflags.c (fatal): Likewise.
4543 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4544 * genoutput.c (fatal, error, predicates): Likewise.
4545 * genpeep.c (fatal): Likewise.
4546 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4547 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4549 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4551 * configure.in (with-fast-fixincludes): Fix whitespace.
4552 * configure: Rebuilt.
4554 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4555 asm() etc. function declarations in __DECC.
4557 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4559 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4560 is a pseudo register.
4562 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4564 * gcse.c: Include expr.h in order to get the prototype for
4565 get_condition() which is used in delete_null_pointer_checks().
4567 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4569 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4571 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4573 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4574 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4576 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4578 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4581 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4583 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4584 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4585 optimizations from the combiner.
4587 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4589 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4591 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4593 * toplev.c (main): Disable optimize_size if a specific
4594 optimization level is requested. Always set optimization
4595 level to 2 if -Os is specified.
4597 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4599 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4601 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4602 initialize it using fname.
4604 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4606 * cpplib.c (do_include): Treat #include_next in the
4607 primary source file as #include plus warning. Treat
4608 #include_next in a file included by absolute path as an
4609 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4611 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4613 * cccp.c: Don't define MIN/MAX anymore.
4614 * cpplib.c: Likewise.
4615 * machmode.h: Likewise.
4616 * system.h: Provide definitions for MIN/MAX.
4618 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4620 * fix-header.c: Don't define xstrdup here.
4622 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4624 * loop.c (consec_sets_giv): New argument last_consec_insn.
4625 (strength_reduce): Provide / use it.
4627 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4629 * loop.h (loop_info): New field 'vtop'.
4630 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4631 scanning loop for vtop.
4632 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4633 (loop_iterations): Use them to determine if loop has a constant
4634 number of iterations. Set loop_info->vtop. Don't subtract
4635 common reg term from initial_value and final_value if have a
4638 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4640 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4642 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4644 * mn10200.md (abssf2, negsf2): New expanders.
4646 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4648 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4650 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4651 replaced by a CONCAT whoes components do not have the same
4652 mode as the original SUBREG, use a new SUBREG to restore the
4655 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4656 multiword complex values.
4658 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4660 * cppalloc.c: Add xstrdup here.
4661 * cpplib.h: Remove savestring prototype.
4662 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4664 * cppfiles.c: s/savestring/xstrdup/ throughout.
4666 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4668 * cpplib.c: Make all directive handlers read their own
4670 (struct directive): Remove last two arguments from FUNC
4671 member prototype. Remove `command_reads_line' member
4673 (directive_table): Remove initializations of
4674 command_reads_line flag. Pretty-print.
4675 (eval_if_expression, do_define, do_line, do_include,
4676 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4677 do_else, do_elif, do_sccs, do_assert, do_unassert,
4678 do_warning): Take only two args.
4680 (cpp_define): Call do_define with two args and the text to
4681 define stuffed into a buffer.
4682 (make_assertion): Call do_assert with two args.
4683 (handle_directive): Call do_line with two args. Call
4684 kt->func with two args. Remove command_reads_line
4686 (do_define, do_undef, do_error, do_warning, do_pragma,
4687 do_sccs): Read the rest of the line here.
4688 (do_ident): Gobble rest of line, as cccp does.
4689 (cpp_undef): New function.
4690 (cpp_start_read): Call cpp_undef instead of do_undef.
4692 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4694 * cpphash.h (union hash_value): Remove `keydef' member, add a
4695 `struct hashnode *aschain' member for #assert.
4697 * cpplib.c (struct tokenlist_list, struct
4698 assertion_hashnode): Delete structure definitions.
4699 (assertion_install, assertion_lookup, delete_assertion,
4700 check_assertion, compare_token_lists, reverse_token_list,
4701 read_token_list, free_token_list): Delete functions.
4702 (parse_assertion): New function.
4703 (cpp_cleanup): Don't destroy the assertion_hashtable.
4705 (do_assert): Gut and rewrite. #assert foo (bar) places
4706 entries for `#foo' and `#foo(bar)' in the macro hash table,
4707 type T_ASSERT. The value union's `aschain' member is used
4708 to chain all answers for a given predicate together.
4709 (do_unassert): Also rewritten. Take an un-asserted
4710 answer off the chain from its predicate and call
4711 delete_macro on the hashnode, or walk a predicate chain
4712 calling delete_macro on all the entries.
4713 (cpp_read_check_assertion): Simply call parse_assertion to
4714 get the canonical assertion name, and look that up in the
4717 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4720 * cpphash.c (install): Use bcopy instead of an explicit loop
4721 to copy the macro name.
4723 * cppexp.c (cpp_lex): Convert the result of
4724 cpp_read_check_assertion to a `struct operation' directly;
4725 don't go through parse_number.
4727 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4729 * loop.h (struct induction): Delete times_used member.
4730 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4731 (n_times_used): Rename to n_times_set. Changed all users.
4732 (scan_loop): Free reg_single_usage before strength reduction.
4733 (record_giv, combine_givs): Remove handling of times_used member.
4734 (combine_givs_used_once): Rename to:
4735 (combine_givs_used_by_other) . Changed all callers.
4737 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4739 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4740 instead of TREE_CODE_CLASS == 't'.
4741 (gen_type_die): Likewise.
4742 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4744 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4746 * real.c (endian): Disable last change unless
4747 HOST_BITS_PER_WIDE_INT is greater than 32.
4749 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4751 * output.h (force_data_section): New prototype.
4752 * varasm.c (force_data_section): New function to force the
4753 data section, regardless of what in_section thinks.
4754 * dwarf2out.c (output_call_frame_info): Call force_data_section
4755 since varasm may not realize we've changes sections.
4757 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4759 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4760 after completeing reload.
4762 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4763 deleted after reload.
4765 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4767 * rtl.h (multiple_sets): Fix prototype.
4768 * rtlanal.c (multiple_sets): Fix return type.
4770 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4772 * version.c: Bump for snapshot.
4774 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4776 * version.c: Bump for snapshot.
4778 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4780 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4782 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4784 * rtl.h (recompute_reg_usage): Add second argument.
4785 * flow.c (recompute_reg_usage): Likewise.
4786 * toplev.c (rest_of_compilation): Supply second argument to
4787 recompute_reg_usage.
4789 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4792 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4794 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4795 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4796 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4799 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4801 * rtlanal.c (multiple_sets): New function.
4802 * rtl.h (multiple_sets): Declare it.
4803 * local-alloc.c (wipe_dead_reg): Use it.
4804 * global.c (global_conflicts): Likewise.
4806 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4808 * global.c (record_conflicts): Don't use an array of shorts to
4809 store an array of ints.
4810 (global_conflicts): Likewise.
4812 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4814 * alpha.c (alpha_expand_block_move): mode_for_size expects
4815 bits, not bytes. Infer extra alignment from addressof.
4817 1998-12-11 Michael Meissner <meissner@cygnus.com>
4819 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4820 .sbss section, not .sdata.
4822 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4824 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4826 * collect2.c: Likewise.
4827 * cpplib.h: Likewise.
4830 * getpwd.c: Likewise.
4831 * protoize.c: Likewise.
4832 * toplev.c: Likewise.
4834 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4835 and don't try to define it here.
4836 * Makefile.in (cppmain.o): Depend on machmode.h.
4837 (cpplib.o): Likewise.
4838 (cpperror.o): Likewise.
4839 (cppexp.o): Likewise.
4840 (cppfiles.o): Likewise.
4841 (cpphash.o): Likewise.
4842 (cppalloc.o): Likewise.
4843 (fix-header.o): Likewise.
4844 (scan-decls.o): Likewise.
4846 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4848 * sh.c (print_operand): lookup interrupt_handler attribute instead
4849 of relying on static variable.
4850 * (calc_live_regs): Likewise.
4851 * (sh_pragma_insert_attributes): Create interrupt_handler
4852 attribute if a pragma was specified
4853 * (sh_valid_machine_decl_attribute): Don't set static flag.
4854 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4856 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4858 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4859 to determine if a register is live at a jump destination.
4860 Everything is dead at a BARRIER.
4862 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4864 * cse.c (simplify_unary_operation): Sign-extend constants when
4865 they have the most significant bit set for the target.
4866 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4868 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4869 HOST_WIDE_INT temporary before negating it.
4870 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4872 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4874 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4877 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4879 * collect2.h: New header file for prototypes.
4881 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
4883 * collect2.c: Include collect2.h.
4884 * tlink.c: Likewise.
4886 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
4888 * flow.c: Update some comments.
4890 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
4892 * objc/objc-act.c (cpp_initialized): Removed.
4893 (lang_init_options): Initialize cpplib.
4894 (lang_decode_option): Move initialization of cpplib to
4896 * c-lang.c: (parse_options,parse_in): Added.
4897 (lang_init_options): Initialized cpplib here.
4898 * c-decl.c (parse_options,cpp_initialized): Removed.
4899 (c_decode_option): Move initialization of cpplib to
4902 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4904 * reload1.c (reload_combine, reload_combine_note_store):
4905 Make STORE_RUID always valid.
4906 (reload_combine): Check if BASE is clobbered too early.
4908 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
4910 * reload.c (find_reloads): Display the insn that cannot be
4913 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
4915 * cccp.c (create_definition): Fix end of bufer logic.
4917 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4919 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
4920 pointer parameters changed to use the PARAMS() macro.
4922 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4924 * except.h (struct handler_info): Add handler_number field.
4925 * except.c (gen_exception_label): EH labels no longer need to be
4926 on the permanent obstack.
4927 (get_new_handler): Set the label number field.
4928 (output_exception_table_entry): Regenerate handler label reference
4929 from the label number field.
4930 (init_eh): Remove a blank line.
4931 * integrate.c (get_label_from_map): Labels no longer need to be
4932 on the permanent obstack.
4934 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
4936 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
4937 only when OUTER_CODE is SET.
4939 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4941 * loop.c (strength_reduce): If scan_start points to the loop exit
4942 test, be wary of subversive use of gotos inside expression statements.
4943 Don't set maybe_multiple for a backward jump that does not
4944 include the label under consideration into its range.
4945 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
4947 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4949 * explow.c (plus_constant_wide): Don't immediately return with
4950 result of recursive call.
4952 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4954 * eh-common.h (struct eh_context): Add table_index for rethrows.
4956 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
4957 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
4958 processed when inlined or unrolled (ie duplicated in some way).
4960 * rtl.c (reg_note_name): Add strings for new reg_note enums.
4962 * expr.h (rethrow_libfunc): New library decl.
4964 * optabs.c (rethrow_libfunc): Initialize.
4966 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4967 (new_eh_region_entry): No longer exported from except.c.
4968 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4969 different prototype.
4970 (rethrow_symbol_map, rethrow_used): New exported functions.
4971 (eh_region_from_symbol): New exported function.
4973 * except.c (create_rethrow_ref): New function to create a single
4974 SYMBOL_REF for a rethrow region.
4975 (push_eh_entry): Initialize a rethrow ref.
4976 (func_eh_entry): Add a rethrow_label field.
4977 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4978 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4979 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4980 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4981 a region into an appropriate new symbol.
4982 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4983 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4984 (end_catch_handler): Emit a barrier for new-exceptions since
4985 control can never drop through the end of a catch block.
4986 (expand_end_all_catch): new-exceptions never fall through a catch
4988 (expand_rethrow): use __rethrow routine for new exceptions.
4989 (output_exception_table_entry): Generate rethrow labels, if needed.
4990 (output_exception_table): Generate start and end rethrow labels.
4991 (init_eh): Create rethrow symbols for beginning and end of table.
4992 (scan_region): Don't eliminate EH regions which are the targets of
4995 * flow.c (make_edges): Add different edges for rethrow calls,
4996 identified by having the REG_EH_RETHROW reg label.
4997 (delete_unreachable_blocks): Don't delete regions markers which are
4998 the target of a rethrow.
5000 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
5001 allow save_for_inline_copying to call duplicate_eh_handlers.
5002 (save_for_inline_copying): Call duplicate_eh_handlers instead of
5003 exposing internal details of exception regions.
5004 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
5005 (expand_inline_function_eh_labelmap): New callback routine to
5006 allow expand_inline_function to call duplicate_eh_handlers.
5007 (expand_inline_function): Call duplicate_eh_handlers instead of
5008 exposing internal details of exception regions.
5009 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
5012 * libgcc2.c (find_exception_handler): Generalize to enable it to
5013 pick up processing where it left off last time for a rethrow.
5014 (__unwinding_cleanup): New function. debug hook which is called before
5015 unwinding when __throw finds there is nothing but cleanups left.
5016 (throw_helper): Common parts of __throw extracted out for reuse.
5017 (__throw): Common parts moved to throw_helper.
5018 (__rethrow): New function for performing rethrows.
5020 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
5022 * reload1.c (current_function_decl): Tweak declaration.
5024 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
5026 * c-decl.c (flag_isoc9x): Default off.
5027 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
5028 * cccp.c (print_help, main): Likewise.
5029 * gcc.c (default_compilers): Update for -std=gnu*.
5031 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
5033 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
5034 * demangle.h: Deleted.
5036 * reload1.c (current_function_decl): Declare.
5038 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5040 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5042 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5044 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5046 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5048 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5050 * configure: Rebuilt.
5051 * system.h: If the *_unlocked functions are available use them
5052 instead of the locked counterparts by defining macros.
5053 * config.in: Regenerated.
5055 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5057 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5058 wrong and should only be used for dump related things, not
5059 debugging information, instead main_input_filename should be used.
5060 Also, reuse output_file_directive if possible.
5061 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5062 * i386/isc.h (ASM_FILE_START): Likewise.
5063 * i386/win-nt.h (ASM_FILE_START): Likewise.
5064 * i386/sun386.h (ASM_FILE_START): Likewise.
5066 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5068 * configure.in (mips*-*-linux*): Handle big and little endian
5070 * configure: Rebuilt.
5072 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5074 * emit-rtl.c: Fix typo.
5076 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5078 * reload1.c (eliminate_regs): Don't do anything, if we're not
5081 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5083 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5085 * mips/mips.c (mips_select_section): Add comment.
5087 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5089 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5090 characters in file names in #line to be consistent with #include
5091 handling. We support escape prcessing in the # 1 "..." version of
5092 the command. See also support in cp/lex.c.
5093 (handle_directive): Likewise.
5094 (do_line): Likewise.
5096 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5098 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5099 so it'll work on non-ASCII platforms. Always consider $ an
5100 identifier character. Take no arguments.
5101 (cpp_reader_init): Call initialize_char_syntax with no
5103 (cpp_start_read): Don't call initialize_char_syntax again.
5104 Clear is_idchar['$'] and is_idstart['$'] if not
5105 opts->dollars_in_ident.
5107 * cpplib.h (struct cpp_reader): Replace void *data element by
5108 cpp_options *opts. Rearrange elements to make gdb printout
5109 less annoying (put buffer stack at end).
5110 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5112 * cppmain.c: s/data/opts/ when initializing cpp_reader
5114 * c-decl.c: Likewise.
5115 * objc/objc-act.c: Likewise.
5116 * fix-header.c: Likewise.
5118 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5120 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5121 with a struct file_name_list pointer.
5122 (struct cpp_reader): Add pointer to chain of `actual
5123 directory' include searchpath entries.
5124 (struct file_name_list): Add *alloc pointer for the sake of
5125 the actual-directory chain.
5127 Move definition of HOST_WIDE_INT here.
5128 (cpp_parse_escape): Change prototype to match changes in
5131 * cppfiles.c (actual_directory): New function.
5132 (finclude): Use it to initialize the buffer's actual_dir
5134 (find_include_file): We don't need to fix up max_include_len
5137 * cpplib.c (do_include): Don't allocate a file_name_list on
5138 the fly for current directory "" includes, use the one that's
5139 been preallocated in pfile->buffer->actual_dir. Hoist out
5140 duplicate code from the search_start selection logic.
5141 (cpp_reader_init): Initialize pfile->actual_dirs.
5143 Remove definition of HOST_WIDE_INT. Change calls
5144 to cpp_parse_escape to match changes in cppexp.c (note
5145 hardcoded MASK, which is safe since this is the source
5148 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5149 to handle wide character constants in #if directives. The
5150 function now returns a HOST_WIDE_INT, and takes a third
5151 argument which is a binary mask for all legal values (0x00ff
5152 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5153 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5154 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5156 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5158 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5160 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5162 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5163 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5164 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5166 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5168 * final.c (output_asm_name): Use tabs to seperate comments from
5171 Include instruction lengths (if defined) in output.
5173 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5175 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5176 in the loop_info structure.
5178 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5180 * configure.in: (arm*-*-ecos-elf): New target.
5181 * configure: Regenerated.
5182 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5183 * config/arm/ecos-elf.h: New file.
5184 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5187 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5189 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5191 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5193 * version.c: Bump for snapshot.
5195 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5197 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5200 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5202 * version.c: Bump for snapshot.
5204 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5206 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5207 compressed reports are ok and preferred over URLs
5209 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5211 * invoke.texi (Warning Options): Soften the tone of -pedantic
5213 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5215 * print-rtl.c (print_rtx): Add prototype.
5217 * unroll.c (iteration_info): Make it static.
5219 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5221 * alias.c (memrefs_conflict_p): A second ANDed address
5222 disables the aligned address optimization.
5224 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5226 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5229 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5231 * i960.h (BOOL_TYPE_SIZE): Define.
5233 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5235 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5236 from old valid_parallel_operands_4.
5237 (valid_parallel_operands_4): Check that operands for 4 operand
5238 parallel insns are valid, excluding load/store insns.
5239 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5240 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5241 valid_parallel_load_store instead of valid_parallel_operands_4.
5242 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5243 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5244 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5245 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5246 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5247 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5248 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5250 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5252 * config/c4x/c4x.c (iteration_info): Delete extern.
5254 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5256 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5258 * final.c (cleanup_subreg_operands): Delete some unused code.
5260 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5261 (struct insn_alternative): New structure definition.
5262 (recog_op_alt): Declare variable.
5263 (preprocess_constraints): Declare function.
5264 * recog.c (recog_op_alt): New variable.
5265 (extract_insn): Verify number of alternatives is in range.
5266 (preprocess_constraints): New function.
5267 * reg-stack.c: Include recog.h.
5268 (constrain_asm_operands): Delete.
5269 (get_asm_operand_lengths): Delete.
5270 (get_asm_operand_n_inputs): New function.
5271 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5272 N_OUTPUTS args. All callers changed.
5273 Compute number of inputs and outputs here by calling
5274 get_asm_operand_n_inputs.
5275 Instead of constrain_asm_operands, call extract_insn,
5276 constrain_operands and preprocess_constaints. Use information
5277 computed by these functions throughout.
5278 (record_reg_life): Delete code that is unused due to changes in
5279 record_asm_reg_life.
5280 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5281 N_INPUTS and N_OUTPUTS args. All callers changed.
5282 Similar changes as in record_asm_reg_life.
5283 (subst_stack_regs): Move n_operands declaration into the if statement
5285 Delete code that is unused due to changes in subst_asm_stack_regs.
5286 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5288 * Makefile.in (reg-stack.o): Depend on recog.h.
5290 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5292 * except.c (set_exception_version_code): Argument is an "int".
5294 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5296 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5297 * configure: Rebuilt.
5299 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5301 * configure.in (mipsel-*-linux*): New target.
5302 * mips/linux.h: New file, based on other Linux targets.
5304 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5306 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5307 runs in the context of the deleter, not the deletee, so we must
5308 use taskVarGet to find the correct memory to free.
5309 (__gthread_key_create): Initialize the task
5310 variable subsystem so that the task variable is still active when
5311 the delete hook is run.
5313 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5315 * pdp11.h: Use optimize_size for space optimizations.
5316 * pdp11.c: Likewise.
5317 * pdp11.md: Likewise.
5319 * pdp11.h (TARGET_40_PLUS): Fix typo.
5321 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5323 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5326 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5328 * alias.c (addr_side_effect_eval): New function.
5329 (memrefs_conflict_p): Use it.
5330 * rtl.h (addr_side_effect_eval): Prototype it.
5332 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5334 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5336 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5338 * reload.c (find_reloads): When force const to memory, put result
5339 in substed_operand not *recog_operand_loc.
5341 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5343 * c-lex.c: Fix indentation from last patch.
5344 Remove trailing whitespace.
5347 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5349 * flow.c (delete_block): Call set_last_insn after we have reset
5350 NEXT_INSN (kept_tail).
5352 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5354 * mips.md (trap_if): Use "$0" for the value zero.
5356 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5357 Stephen L Moshier <moshier@world.std.com>
5358 Richard Henderson <rth@cygnus.com>
5360 * c-common.c (declare_function_name): Declare predefinied variable
5363 * c-decl.c (flag_isoc9x): Set to 1 by default.
5364 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5365 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5367 * c-parse.in: Allow constructors in ISO C 9x.
5368 Rewrite designator list handling.
5369 Allow [*] parameters.
5370 Don't warn about comma at end of enum definition for ISO C 9x.
5372 * cccp.c (c9x): New variable.
5373 (rest_extension): New variable.
5374 (print_help): Document new -std= option.
5375 (main): Recognize -std= option. Set c9x appropriately.
5376 (create_definition): Recognize ISO C 9x vararg macros.
5378 * gcc.c (default_compilers): Adjust specs for -std options.
5379 (option_map): Add --std.
5380 (display_help): Document -std.
5382 * toplev.c (documented_lang_options): Add -std and remove
5385 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5386 or REAL_VALUE_HTOF based on base of the constants.
5387 * fold-const.c (real_hex_to_f): New function. Replacement function
5388 for hex FP conversion if REAL_ARITHMETIC is not defined.
5389 * real.c (asctoeg): Add handling of hex FP constants.
5390 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5393 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5395 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5396 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5397 expansion. Use hi/lo as destination register.
5399 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5400 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5401 Avoid as macro expansion. Use hi/lo as destination register.
5403 * mips.h (MASK_CHECK_RANGE_DIV): New.
5404 (MASK_NO_CHECK_ZERO_DIV): New.
5405 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5406 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5407 return address for leaf functions out of r31 to support
5408 builtin_return_address.
5410 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5412 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5413 NEXT_INSN(x) to check insn x.
5415 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5417 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5418 last insn in the rtl chain.
5420 * reload1.c (reload): Do not set reload_completed or split insns
5422 * toplev.c (rest_of_compilation): Set reload_completed after
5423 reload returns. Split insns after reload_cse has run.
5425 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5427 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5429 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5431 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5433 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5435 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5436 use of user-label_prefix.
5438 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5440 * reload1.c (emit_reload_insns): Clear spill_reg_store
5441 when doing a new non-inherited reload from the same pseudo.
5443 * local-alloc.c (function_invariant_p): New function.
5444 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5445 to decide if an equivalence should be recorded.
5446 * reload1.c (num_eliminable_invariants): New static variable.
5447 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5448 to decide if an equivalence should be recorded.
5450 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5451 Take num_eliminable_invariants into account when deciding
5452 if register elimination should be done.
5453 (reload_as_needed): Take num_eliminable_invariants into account
5454 when deciding if register elimination should be done.
5455 (eliminate_regs): Handle non-constant reg_equiv_constant.
5456 * rtl.h (function_invariant_p): Declare.
5458 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5460 * version.c: Bump for snapshot.
5462 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5464 * version.c: Bump for snapshot.
5466 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5468 * except.c (add_new_handler): Complain about additional handlers
5469 after one that catches everything.
5471 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5473 * configure.in (alpha*-*-netbsd): Fix typo.
5474 * configure: Rebuilt.
5476 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5478 * system.h: Include libiberty.h.
5480 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5481 function `concat' from fixed parameters to variable parameters,
5482 as is done in libiberty. All callers of concat/concat3
5483 changed to use the new `concat' with variable args.
5485 * cccp.c: Remove things made redundant by libiberty.h and/or
5486 conform to libiberty standards.
5488 * collect2.c: Likewise.
5489 * config/1750a/1750a.h: Likewise.
5490 * cppalloc.c: Likewise.
5491 * cppexp.c: Likewise.
5492 * cppfiles.c: Likewise.
5493 * cpphash.c: Likewise.
5494 * cpplib.c: Likewise.
5495 * dyn-string.c: Likewise.
5496 * fix-header.c: Likewise.
5499 * genattr.c: Likewise.
5500 * genattrtab.c: Likewise.
5501 * gencheck.c: Likewise.
5502 * gencodes.c: Likewise.
5503 * genconfig.c: Likewise.
5504 * genemit.c: Likewise.
5505 * genextract.c: Likewise.
5506 * genflags.c: Likewise.
5507 * gengenrtl.c: Likewise.
5508 * genopinit.c: Likewise.
5509 * genoutput.c: Likewise.
5510 * genpeep.c: Likewise.
5511 * genrecog.c: Likewise.
5512 * getpwd.c: Likewise.
5513 * halfpic.c: Likewise.
5515 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5516 in NEED_DECLARATION_* macros.
5518 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5519 conform to libiberty standards.
5520 (fatal): Fix const-ification of variable `format' in
5521 !ANSI_PROTOTYPES case.
5523 * prefix.c: Remove things made redundant by libiberty.h and/or
5524 conform to libiberty standards.
5526 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5527 conflicting with function `spaces' from libiberty.
5529 * profile.c: Remove things made redundant by libiberty.h and/or
5530 conform to libiberty standards.
5531 * protoize.c: Likewise.
5534 * tlink.c: Likewise.
5535 * toplev.c: Likewise.
5536 * toplev.h: Likewise.
5539 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5541 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5543 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5545 * README.C4X: Updated URLs.
5546 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5547 (valid_parallel_operands_5): Remove unused variable.
5549 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5551 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5553 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5555 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5556 which can be configured.
5557 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5558 (Makefile): Pass actual LANGUAGES through the environment when
5560 (cstamp-h): Likewise.
5561 (config.status): Likewise.
5563 * configure.in (enable_languages): Add new configuration parameter
5564 "--enable-languages=lang1,lang2,...".
5565 (${srcdir}/*/config-lang.in): Change handling to configure only
5566 those directories, that the user might have enabled; default to
5567 "all" existing languages.
5568 * configure: Regenerate.
5570 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5572 * rtlanal.c (regs_set_between_p): New function.
5573 * rtl.h (regs_set_between_p): Prototype it.
5574 * jump.c (jump_optimize): Use it instead of modified_between_p
5575 in the Sep 2 change.
5577 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5578 Matthias Pfaller <leo@dachau.marco.de>
5580 * invoke.texi (Option Summary, NS32K Options): add description
5581 of NS32K specific options.
5583 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5584 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5585 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5586 negdf2, absdf2): Use l instead of f since the double class and
5587 float class are no longer the same.
5588 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5589 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5590 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5591 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5593 (cmpsi, cmphi, cmpqi): use general_operand instead of
5594 non_immediate_operand. Removes erroneous assumption that can't
5596 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5597 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5599 (movstrsi, movstrsi1, movstrsi2): completely new block move
5601 (...): Patterns to exploit multiply-add instructions.
5602 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5603 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5604 patterns to exploit extended divide insns.
5605 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5608 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5609 float return values as well as simple scalar floats.
5610 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5611 support new flag to denote 32381 fpu.
5612 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5613 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5615 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5616 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5617 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5618 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5619 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5620 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5621 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5622 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5623 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5624 fpu registers and special register classes for new 32381
5625 instructions dotf and polyf.
5626 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5628 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5629 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5631 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5632 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5633 (REGISTER_MOVE_COST): move code to register_move_cost function for
5634 ease of coding and debugging.
5635 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5636 LONG_FLOAT_REGO is likely spilled but not caught by default
5638 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5639 instead of hard coded numbers in range check.
5640 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5641 (...): Add prototypes for functions in ns32k.c but disable because
5642 of problems when ns32k.h is included in machine independant files.
5644 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5645 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5646 hard_regno_mode_ok, secondary_reload_class,
5647 print_operand, print_operand_address): new register scheme to
5648 include 32381 fpu registers and special register classes for new
5649 32381 instructions dotf and polyf.
5650 (gen_indexed_expr): Make static to keep namespace clean.
5651 (check_reg): remove since never called.
5652 (move_tail, expand_block_move): helper functions for "movstrsi"
5654 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5655 Increase cost of moves which go via memory.
5656 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5657 (CPP_PREDEFINES): nolonger predefine "unix".
5659 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5660 Remove erroneous %$. print_operand() can work out from the rtx is
5661 an immediate prefix is required.
5663 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5664 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5665 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5667 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5670 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5671 Correct handling of pic operands.
5672 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5673 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5674 -mrtd calling convention.
5676 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5678 * gcc.c (option_map): Recognize --output-class-directory.
5680 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5682 * loop.h (precondition_loop_p): Added new mode argument.
5683 * unroll.c (precondition_loop_p): Likewise.
5684 (approx_final_value): Function deleted and subsumed
5685 into loop_iterations.
5686 (loop_find_equiv_value): New function.
5687 (loop_iterations): Use loop_find_equiv_value to find increments
5688 too large to be immediate constants. Also use it to find terms
5689 common to initial and final iteration values that can be removed.
5691 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5693 * loop.h (struct loop_info): Define new structure.
5694 (precondition_loop_p): Added prototype.
5695 (unroll_loop): Added new argument loop_info to prototype.
5696 (final_biv_value, final_giv_value): Added new argument n_iterations
5698 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5699 and new pointer loop_info.
5700 (loop_n_iterations): Replace global variable by element in
5701 loop_info structure.
5702 (check_final_value): New argument n_iterations.
5703 (insert_bct): New argument loop_info.
5704 (loop_unroll_factor): Replace global array by element in
5705 loop_info structure.
5706 (loop_optimize): Remove code to allocate and initialise
5707 loop_unroll_factor_array.
5708 * unroll.c (precondition_loop_p): No longer static since
5709 used by branch on count optimization.
5710 (precondition_loop_p, unroll_loop): New argument loop_info.
5711 (final_biv_value, final_giv_value, find_splittable_regs): New
5712 argument n_iterations.
5713 (loop_iteration_var, loop_initial_value, loop_increment,
5714 loop_final_value, loop_comparison_code, loop_unroll_factor):
5715 Replaced global variables by loop_info structure.
5716 (loop_unroll_factor): Replace global array by element in
5717 loop_info structure.
5719 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5721 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5724 * unroll.c (precondition_loop_p): Return loop_initial_value
5725 for initial_value instead of loop_iteration_var.
5727 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5729 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5730 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5731 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5732 to output the instruction sequences.
5734 (rptb_top): Provide alternatives to use any register or memory
5736 (rptb_end): Emit use of operands rather than assigning them
5737 explicitly to the RS and RE registers.
5739 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5741 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5742 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5743 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5744 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5745 c4x_merge_notes, c4x_parallel_process,
5746 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5747 c4x_combine_parallel): Delete.
5749 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5751 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5752 with old target options clear flag_branch_on_count_reg if
5753 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5755 (c4x_output_cbranch): Handle a sequence of insns rather than a
5757 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5758 has not been allocated as the loop counter.
5759 (c4x_address_conflict): Do not allow two volatile memory references.
5760 (valid_parallel_operands_4, valid_parallel_operands_5,
5761 valid_parallel_operands_6): Reject pattern if the register destination
5762 of the first set is used as part of an address in the second set.
5764 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5766 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5767 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5768 is no longer enabled if PARALLEL_MPY_FLAG set.
5769 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5770 (REG_CLASS_CONTENTS): Add braces around initializers.
5771 (HAVE_MULTIPLE_PACK): Define.
5772 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5773 REAL_VALUE_TO_DECIMAL.
5774 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5775 REAL_VALUE_TO_DECIMAL.
5776 (ar0_reg_operand): Add prototype.
5777 (ar0_mem_operand): Likewise.
5778 (ar1_reg_operand): Likewise.
5779 (ar1_mem_operand): Likewise.
5780 (ar2_reg_operand): Likewise.
5781 (ar2_mem_operand): Likewise.
5782 (ar3_reg_operand): Likewise.
5783 (ar3_mem_operand): Likewise.
5784 (ar4_reg_operand): Likewise.
5785 (ar4_mem_operand): Likewise.
5786 (ar5_reg_operand): Likewise.
5787 (ar5_mem_operand): Likewise.
5788 (ar6_reg_operand): Likewise.
5789 (ar6_mem_operand): Likewise.
5790 (ar7_reg_operand): Likewise.
5791 (ar7_mem_operand): Likewise.
5792 (ir0_reg_operand): Likewise.
5793 (ir0_mem_operand): Likewise.
5794 (ir1_reg_operand): Likewise.
5795 (ir1_mem_operand): Likewise.
5796 (group1_reg_operand): Likewise.
5797 (group1_mem_operand): Likewise.
5798 (ir1_reg_operand): Likewise.
5799 (arx_reg_operand): Likewise.
5800 (not_rc_reg): Likewise.
5801 (not_modify_reg): Likewise.
5802 (c4x_group1_reg_operand): Remove prototype.
5803 (c4x_group1_mem_operand): Likewise.
5804 (c4x_arx_reg_operand): Likewise.
5806 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5808 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5809 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5811 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5813 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5816 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5818 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5819 unless FMOVD_WORKS is defined.
5821 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5823 * regclass.c (init_reg_sets): Move code that calculates tables
5824 dependent on reg_class_contents from here...
5825 (init_reg_sets_1): To here.
5827 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5829 * cpplib.h: Delete struct import_file. Add ihash element to
5830 struct cpp_buffer. Delete dont_repeat_files and
5831 import_hash_table elements from cpp_reader; change
5832 all_include_files to a hash table. Delete all foobar_include
5833 / last_foobar_include elements from struct cpp_options; put
5834 back four such: quote_include, bracket_include,
5835 system_include, after_include. Redo struct file_name_list
5836 completely. Add new structure type include_hash. Add
5837 prototypes for merge_include_chains and include_hash. Change
5838 prototypes for finclude, find_include_file, and
5839 append_include_chain to match changes below.
5841 * cppfiles.c (simplify_pathname, include_hash,
5842 remap_filename, merge_include_chains): New functions.
5843 (add_import, lookup_import, open_include_file): Removed.
5844 (INO_T_EQ): Define this (copied from cccp.c).
5845 (hack_vms_include_specification): Remove all calls and #if 0
5846 out the definition. It was being called incorrectly and at
5847 the wrong times. Until a VMSie can look at this, it's better
5848 to not pretend to support it.
5849 (append_include_chain): Change calling convention; now takes
5850 only one directory at a time, and sets up the data structure
5852 (redundant_include_p): Rewritten - this is now used for all
5853 include redundancy, whether by #ifndef, #import, or #pragma
5854 once. Looks up things in the include hash table.
5855 (file_cleanup): Decrement pfile->system_include_depth here if
5857 (find_include_file): Calling convention changed; now passes
5858 around a struct include_hash instead of 3 separate parameters.
5859 Guts ripped out and replaced with new include_hash mechanism.
5860 (finclude): Calling convention changed as for
5861 find_include_file. Error exits pulled out-of-line. Reformat.
5862 (safe_read): Return a long, not an int.
5863 (deps_output): Don't recurse.
5865 * cpplib.c (is_system_include): Deleted.
5866 (path_include): Fix up call to append_include_chain.
5867 (do_include): Fix up calls to find_include_file and finclude.
5868 Clean up dependency output a bit. Shorten obnoxiously lengthy
5869 #import warning message. Don't decrement
5870 pfile->system_include_depth here.
5871 (do_pragma): Understand the include_hash structure. Reformat.
5872 (do_endif): Correct handling of control macros. Understand
5874 (cpp_start_read): Fix up calls to finclude. Call
5875 merge_include_chains.
5876 (cpp_handle_option): Fix up calls to append_include_chain.
5877 Understand the four partial include chains.
5878 (cpp_finish): Add debugging code (#if 0-ed out) for the
5880 (cpp_cleanup): Free the include_hash, not the import hash and
5881 the all_include and dont_repeat lists which no longer exist.
5883 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
5885 * toplev.c (no_new_pseudos): Define.
5886 (rest_of_compilation): Set no_new_pseudos as needed.
5887 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
5888 if no_new_pseudos is set.
5889 * rtl.h (no_new_pseudos): Declare it.
5890 * reload1.c (reload): Update comments.
5891 * md.texi: Corresponding changes.
5893 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5895 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
5896 (choose_reload_regs): Rename it here as well. When computing it,
5897 also merge in used hardregs.
5899 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5901 * gcc.c: Split out Objective-C specs to...
5902 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
5905 * c-lex.c (init_parse): Always initialize the filename global.
5906 * objc/objc-act.c (lang_init): Always call check_newline at
5909 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
5911 * reload1.c (reload): Remove unused variable.
5912 (reload_reg_free_for_value_p): Add missing parameter definition.
5914 * jump.c (jump_optimize): Remove unused variable.
5916 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
5918 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
5920 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
5922 * expr.c (move_by_pieces): Similarly.
5923 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
5924 * flow.c (find_auto_inc): Similarly.
5925 (try_pre_increment): Similarly.
5926 * loop.c (strength_reduce): Similarly.
5927 * regclass.c (auto_inc_dec_reg_p): Similarly.
5928 * regmove.c (try_auto_increment): Similarly.
5929 (fixup_match_1): Similarly.
5930 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
5931 (HAVE_PRE_DECREMENT): Similarly.
5932 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
5933 * Corresponding changes to all target header files.
5934 * tm.texi: Update docs for autoinc addressing modes.
5936 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
5938 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
5939 * configure: Rebuild.
5940 * config/elfos.h: New file.
5941 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
5942 config/m68k/t-m68kelf: New file.
5944 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
5946 * Makefile.in (HOST_AR): Define.
5947 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
5948 (libcpp.a): Use the host tools explicitly.
5949 (STAGESTUFF): Add libcpp.a.
5951 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
5953 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
5954 to source and destination registers.
5956 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
5958 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
5959 The strategy we now use is to pre allocate the top_elt along
5960 with the EH context so that each thread has its own top_elt.
5961 This is necessary as the dynmanic cleanup chain is used on the
5962 top element of the stack and each thread MUST have its own.
5963 (eh_context_static): Likewise.
5964 (new_eh_context): Likewise.
5965 (__sjthrow): Likewise.
5967 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5969 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5970 * i386.md (prologue_get_pc): Remove unused variable.
5972 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5974 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5976 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5978 * Makefile.in (OBJS): Add graph.o
5979 (graph.o): New dependency list.
5980 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5981 * print-rtl.c (dump_for_graph): Define new variable.
5982 (print_rtx): Rewrite to allow use in graph dumping functions.
5983 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5984 finish_graph_dump_file.
5985 Define graph_dump_format.
5986 (compile_file): If graph dumping is enabled also clear these files.
5987 Finish graph dump files.
5988 (rest_of_compilation): Also dump graph information if enabled.
5989 (main): Recognize -dv to enabled VCG based graph dumping.
5990 * graph.c: New file. Graph dumping functions.
5992 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5994 * configure.in: Look for <sys/stat.h>.
5995 * system.h: Include it before substitute S_ISREG definitions.
5997 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
5999 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
6000 * config/mips/iris6.h: Same.
6001 * config/mips/mips.md: Same.
6002 * config/mips/mips.c: Same; also add "-mabi=o64" option.
6003 * config/mips/mips.h: Same; also define ABI_O64.
6005 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6007 * configure.in: Use AC_PREREQ(2.12.1).
6009 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6011 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
6012 * cpplib.c, gcc.c: Likewise.
6013 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
6015 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
6017 * local-alloc.c (local_alloc): Use malloc not alloca for
6018 reg_qty, reg_offset, ref_next_in_qty.
6020 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6022 * caller-save.c (insert_one_insn): Initialize the live_before and
6023 live_after register sets.
6027 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
6028 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
6029 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
6030 (fp_reg_names, assembler_dialect): New variables.
6031 (print_operand_address): Handle SUBREGs.
6032 (print_operand): Added 'o' case.
6033 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
6034 Name of FP registers depends on mode.
6035 (expand_block_move): Emit different code for SH4 hardware.
6036 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
6037 (from_compare): Likewise.
6038 (add_constant): New argument last_value. Changed all callers.
6039 (find_barrier): Don't try HImode load for FPUL_REG.
6040 (machine_dependent_reorg): Likewise.
6041 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6042 (gen_far_branch): Emit a barrier after the new jump.
6043 (barrier_align): Don't trust instruction lengths before
6045 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6046 Use auto-inc addressing for fp registers if doubles need to
6047 be loaded in two steps.
6048 Set sh_flag_remove_dead_before_cse.
6049 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6050 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6051 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6052 Support for FIRST_XD_REG .. LAST_XD_REG.
6053 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6054 (sh_expand_epilogue): Likewise.
6055 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6056 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6057 (arith_reg_operand): FPUL_REG is OK for SH4.
6058 (fp_arith_reg_operand, fp_extended_operand) New functions.
6059 (tertiary_reload_operand, fpscr_operand): Likewise.
6060 (commutative_float_operator, noncommutative_float_operator): Likewise.
6061 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6062 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6063 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6064 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6065 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6066 (CONDITIONAL_REGISTER_USAGE): Likewise.
6067 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6068 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6069 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6070 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6071 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6072 to -1 and sh_flag_remove_dead_before_cse to 1.
6073 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6074 (assembler_dialect, fp_reg_names): Declare.
6075 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6076 Hide names of registers that are not accessible.
6077 (CACHE_LOG): Take TARGET_CACHE32 into account.
6078 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6079 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6080 (FIRST_PSEUDO_REGISTER: Now 49.
6081 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6082 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6083 (HARD_REGNO_MODE_OK): Update.
6084 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6085 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6086 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6087 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6088 (NPARM_REGS): Eight floating point parameter registers on SH4.
6089 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6090 in floating point registers.
6091 (GET_SH_ARG_CLASS) Likewise.
6092 Complex float types are also returned in float registers.
6093 (BASE_ARG_REG): Complex float types are also passes in float registers.
6094 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6095 (LIBCALL_VALUE): Remove trailing semicolon.
6096 (ROUND_REG): Round when double precision value is passed in floating
6098 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6099 passed on the stack.
6100 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6101 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6102 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6103 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6104 (MODE_DISP_OK_8): Not for SH4 DFmode.
6105 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6106 Allow indexed addressing for PSImode after reload.
6107 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6108 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6109 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6110 (DOUBLE_TYPE_SIZE): 64 for SH4.
6111 (RTX_COSTS): Add PLUS case.
6112 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6113 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6114 MAC_REGS, PR_REGS, DF_REGS.
6115 (REGISTER_NAMES): Use fp_reg_names.
6116 (enum processor_type): Add PROCESSOR_SH4.
6117 (sh_flag_remove_dead_before_cse): Declare.
6118 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6119 (PREDICATE_CODES): Add binary_float_operator,
6120 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6121 fpscr_operand, noncommutative_float_operator.
6122 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6123 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6124 * sh.md (attribute cpu): Add value sh4.
6125 (attrbutes fmovd, issues): Define.
6126 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6127 (function units memory, int, mpy, fp): Make dependent on issue rate.
6128 (function units issue, single_issue, load_si, load): Define.
6129 (function units load_store, fdiv, gp_fpul): Define.
6130 (attribute hit_stack): Provide proper default.
6131 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6132 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6133 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6134 (mulsi3_call): Now uses match_operand for function address.
6135 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6137 (push, pop, push_e, pop_e): Now define_expands.
6138 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6139 (movsi_ie): Added y/i alternative.
6140 (ic_invalidate_line_i, movdf_i4): New insns.
6141 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6142 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6143 (movdf): Add special code for SH4.
6144 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6145 (call_valuei, calli, call_value): Likewise.
6146 (movsf): Emit no-op move.
6147 (mov_nop, movsi_y): New insns.
6148 (blt, sge): generalize to handle DFmode.
6149 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6150 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6151 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6152 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6153 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6154 (toggle_sz): New insn.
6155 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6156 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6157 (macsf3): Make use of fpscr visible. Disable for SH4.
6158 (floatsisf2): Make use of fpscr visible.
6159 (floatsisf2_i4): New insn.
6160 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6161 (ieee_ccmpeqsf_t): Likewise.
6162 (fix_truncsfsi2): Emit different code for SH4.
6163 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6164 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6165 (negsf2, sqrtsf2, abssf2): Now expanders.
6166 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6167 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6168 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6169 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6170 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6171 (fix_truncdfsi2_i4_2+1): New splitters.
6172 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6173 (extendsfdf2, truncdfsf2): New expanders.
6174 (truncdfsf2_i4): New insn.
6175 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6176 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6177 * float-sh.h: When testing for __SH3E__, also test for
6178 __SH4_SINGLE_ONLY__ .
6179 * va-sh.h (__va_freg): Define to float.
6180 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6181 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6182 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6183 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6185 (TARGET_SH4_P): Define.
6188 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6189 init_expr_once is satisfied about the existence of load / store insns.
6191 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6192 change m constraint in source operand to mr / mf .
6194 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6196 * (__VA_REEF): Define.
6197 (__va_arg_sh1): Use it.
6199 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6201 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6203 * i386/dgux.c (struct option): Add new "description field".
6204 * m88k/m88k.c (struct option): Likewise.
6206 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6208 * version.c: Bump for snapshot.
6210 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6212 * regmove.c (regmove_profitable_p): Use return value of find_matches
6215 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6217 * version.c: Bump for snapshot.
6219 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6221 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6222 without reload having been called earlier.
6224 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6226 (v850_reorg): Similarly.
6228 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6230 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6232 * loop.c (move_movables): Start of libcall might be new loop start.
6234 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6236 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6238 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6240 * function.c (nonlocal_goto_handler_slots): Renamed from
6241 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6242 (push_function_context_to): Adjust for this change.
6243 (pop_function_context_from): Likewise.
6244 (init_function_start): Likewise.
6245 (expand_function_end): Likewise.
6246 * function.h (struct function): Likewise.
6247 * calls.c (expand_call): Likewise.
6248 * explow.c (allocate_dynamic_stack_space): Likewise.
6249 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6250 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6252 (expand_goto): When doing a nonlocal goto, find corresponding handler
6253 slot for it. Don't put the label address in the static chain register.
6254 (expand_end_bindings): Break out nonlocal goto handling code into
6255 three new functions.
6256 (expand_nl_handler_label, expand_nl_goto_receiver,
6257 expand_nl_goto_receivers): New static functions, broken out of
6258 expand_end_bindings and adapted to create one handler per nonlocal
6260 * function.c (delete_handlers): Delete insn if it references any of
6261 the nonlocal goto handler slots.
6262 * i960.md (nonlocal_goto): Comment out code that modifies
6264 * sparc.md (nonlocal_goto): Likewise.
6265 (goto_handler_and_restore_v9): Comment out.
6266 (goto_handler_and_restore_v9_sp64): Comment out.
6268 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6270 * expr.c (STACK_BYTES): Delete unused macro.
6271 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6272 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6273 (expand_call): Likewise.
6274 (emit_library_call): Likewise.
6275 (emit_library_call_value): Likewise.
6276 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6277 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6278 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6279 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6280 (allocate_dynamic_stack_space): Likewise.
6281 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6282 (STACK_BOUNDARY): Update description to reflect the new situation.
6284 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6286 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6287 return with a filled delay slot is followed by a return with an
6288 unfilled delay slot, delete the first return and reemit the insn
6289 that was previously in its delay slot.
6291 * i860.c (single_insn_src_p): Add missing parens.
6292 * ginclude/math-3300.h: Likewise.
6294 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6296 * regclass.c (init_reg_sets_1): Add prototype.
6297 (init_reg_modes): Likewise.
6299 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6301 * c-common.c: Change warning messages to say `comparison is
6302 always true' or `comparison is always false' instead of the
6303 confusing `is always 0', `is always 1'.
6305 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6307 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6308 break instead of return (which loses closing '>').
6310 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6312 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6313 standard 387 constants.
6315 * i386.md (jump): Explicitly set "memory" attribute.
6316 (indirect_jump, prologue_set_stack_ptr): Likewise.
6317 (prologue_get_pc_and_set_got, pop): Likewise.
6318 (allocate_stack_worder, blockage, return_internal): Likewise.
6319 (return_pop_internal, nop): Likewise.
6320 (epilogue_set_stack_ptr, leave): Likewise.
6322 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6324 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6326 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6328 * reload1.c (reload_reg_free_for_value_p):
6329 Early auto_inc reloads don't conflict with outputs.
6331 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6333 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6334 Instead call AC_HEADER_SYS_WAIT.
6336 * collect2.c: Don't provide defaults for sys/wait.h macros.
6338 * protoize.c: Likewise. Also, don't include sys/wait.h.
6340 * system.h: Include sys/wait.h and provide macro defaults.
6342 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6344 * Makefile.in (mandir): Set to @mandir@.
6345 (man1dir): New variable to hold the former value of $(mandir).
6346 Replace all uses of $(mandir) by $(man1dir).
6348 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6350 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6351 a new one before passing it to force_const_mem.
6353 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6354 find_reloads_address call.
6356 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6358 * expr.c (store_expr): Don't generate load-store pair
6359 if TEMP is identical (according to ==) with TARGET.
6361 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6363 * reload1.c (reload_reg_free_for_value_p): When considered reload
6364 has an output, matching inputs are not sufficient to avoid conflict.
6366 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6368 * hash.h (hash_table_key): New type.
6369 (hash_entry): Change `string' field to generic `key'.
6370 (hash_table): Add `comp' and `hash' functions.
6371 (hash_table_init): Take them as input.
6372 (hash_table_init_n): Likewise.
6373 (hash_lookup): Modify for generic keys.
6374 (hash_newfunc): Likewise.
6375 (hash_traverse): Likewise.
6376 (string_hash): New function.
6377 (string_compare): Likewise.
6378 (string_copy): Likewise.
6379 * hash.c (hash_table_init_n): Modify for generic keys.
6380 (hash_table_init): Likewise.
6381 (hash_lookup): Likewise.
6382 (hash_newfunc): Likewise.
6383 (hash_traverse): Likewise.
6384 (string_hash): Split out from hash_lookup.
6385 (string_compare): New function.
6386 (string_copy): Split out from hash_lookup.
6387 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6389 (symbol_hash_lookup): Likewise.
6390 (file_hash_newfunc): Likewise.
6391 (file_hash_lookup): Likewise.
6392 (demangled_hash_newfunc): Likewise.
6393 (demangled_hash_lookup): Likewise.
6394 (tlink_int): Likewise.
6395 (read_repo_file): Likewise.
6396 (recompile_files): Likewise.
6397 (demangle_new_symbols): Likewise.
6398 (scan_linker_output): Likewise.
6400 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6402 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6404 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6406 * rs6000.c (output_mi_thunk): Improve test for local branch.
6408 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6410 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6412 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6414 * reload1.c (reload_reg_free_before_p): Delete.
6415 Changed all callers to use reload_reg_free_for_value_p instead.
6416 (reload_reg_free_for_value_p): Handle more reload types.
6417 A RELOAD_FOR_INPUT doesn't conflict with its
6418 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6419 Add special case for OUT == const0_rtx.
6420 Added ignore_address_reloads argument. Changed all callers.
6422 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6424 * toplev.c (compile_file): Don't pedwarn about undefined static
6425 functions just because we passed -Wunused.
6427 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6429 * function.c (purge_addressof_1): Unshare rtl created by
6432 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6434 * regmove.c (regmove_optimize): Don't do anything but
6435 optimize_reg_copy[123] when flag_regmove is not set.
6437 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6439 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6440 value in paradoxical SImode result, rather than truncating midpoint.
6442 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6444 * alpha.c (reg_not_elim_operand): New.
6445 * alpha.h (PREDICATE_CODES): Add it.
6446 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6447 for the multiplicand.
6449 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6451 * rs6000.md (movsf): Remove explicit secondary-reload-like
6452 functionality. Only truncate SFmode store if in FPR.
6453 (movsf splitters): Combine const_double splitters.
6454 (movsf_hardfloat): Add GPR support.
6456 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6458 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6459 deprecate -mlive-g0 and -mbroken-saverestore.
6460 * t-splet (MULTILIB_OPTIONS): Likewise.
6462 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6463 in a leaf function. Clarify total_size/extra_size relationship.
6465 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6467 * i386/cygwin32.asm: Delete.
6468 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6469 * i386/cygwin32.h: Delete.
6470 * i386/cygwin.h: New file, renamed from cygwin32.h.
6471 * i386/t-cygwin32: Delete.
6472 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6473 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6474 * i386/x-cygwin32: Delete.
6475 * i386/x-cygwin: New file, renamed from x-cygwin32.
6476 * i386/xm-cygwin32: Delete.
6477 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6478 renamed cygwin_ funcs for path translations.
6479 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6480 * i386/winnt.c: Remove "32" from comment about cygwin.
6481 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6482 * rs6000/cygwin32.h: Delete.
6483 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6484 -D__CYGWIN__ to CPP_PREDEFINES.
6485 * rs6000/x-cygwin32: Delete.
6486 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6487 * rs6000/xm-cygwin32: Delete.
6488 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6490 * configure.in: Check for cygwin* instead of cygwin32. Account
6491 for the rename of cygwin-related config files to lose the "32"s.
6492 * configure: Regenerate.
6494 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6495 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6497 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6499 * Makefile.in (JAVAGC): New macro.
6500 * configure: Rebuilt.
6501 * configure.in: Recognize --enable-java-gc argument. Subst
6504 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6506 Handle equivalences that have been obscured by gcse:
6508 * reload1.c (reload): Handle equivalences set up in multiple places.
6509 * local-alloc.c (reg_equiv_init_insns): New variable.
6510 (no_equiv): New function.
6511 (update_equiv_regs): Handle equivalences set up in multiple places.
6512 Don't ignore an insn just because its destination is likely to be
6515 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6517 * except.c (expand_eh_return): Readd force_operand call lost in
6520 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
6522 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6524 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6526 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6528 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6530 * regmove.c (regmove_optimize): Fix error in last change.
6532 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6534 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6535 offset in the .mask pseudo to compensate for frame pointer adjustments.
6536 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6537 word swap arguments moved to/from FP registers.
6538 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6540 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6542 * version.c: Bump for snapshot.
6544 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6546 * version.c: Bump for snapshot.
6548 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6550 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6551 times, then it can not be completely replaced.
6553 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6555 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6557 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6559 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6560 (to distinguish it from the macro wrapping ansidecl.h.)
6561 Include libiberty's ansidecl.h. Remove all redundant definitions.
6562 Define the PROTO() style macros in terms of the PARAMS() ones.
6565 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6566 __STDC__, when deciding whether to use ANSI variable args.
6567 (emit_library_call_value): Likewise.
6569 * cccp.c (error): Likewise.
6570 (warning): Likewise.
6571 (error_with_line): Likewise.
6572 (warning_with_line): Likewise.
6573 (pedwarn): Likewise.
6574 (pedwarn_with_line): Likewise.
6575 (pedwarn_with_file_and_line): Likewise.
6578 * cexp.y (error): Likewise.
6579 (pedwarn): Likewise.
6580 (warning): Likewise.
6582 * collect2.c (fatal_perror): Likewise.
6586 * combine.c (gen_rtx_combine): Likewise.
6588 * cpperror.c (cpp_message): Likewise.
6589 (cpp_fatal): Likewise.
6591 * cpplib.c (cpp_error): Likewise.
6592 (cpp_warning): Likewise.
6593 (cpp_pedwarn): Likewise.
6594 (cpp_error_with_line): Likewise.
6595 (cpp_warning_with_line): Likewise.
6596 (cpp_pedwarn_with_line): Likewise.
6597 (cpp_pedwarn_with_file_and_line): Likewise.
6599 * cpplib.h: Don't define PARAMS() macro.
6601 * demangle.h: Likewise.
6603 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6604 when deciding whether to use ANSI variable args.
6606 * emit-rtl.c (gen_rtx): Likewise.
6607 (gen_rtvec): Likewise.
6609 * final.c (asm_fprintf): Likewise.
6611 * fix-header.c (cpp_message): Likewise.
6613 (cpp_fatal): Likewise.
6615 * gcc.c (concat): Likewise.
6619 * genattr.c (fatal): Likewise.
6621 * genattrtab.c (attr_rtx): Likewise.
6622 (attr_printf): Likewise.
6625 * gencodes.c (fatal): Likewise.
6627 * genconfig.c (fatal): Likewise.
6629 * genemit.c (fatal): Likewise.
6631 * genextract.c (fatal): Likewise.
6633 * genflags.c (fatal): Likewise.
6635 * genopinit.c (fatal): Likewise.
6637 * genoutput.c (fatal): Likewise.
6640 * genpeep.c (fatal): Likewise.
6642 * genrecog.c (fatal): Likewise.
6644 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6645 deciding whether to declare `tree_node' and `rtx_def'.
6647 * hash.h: Don't define stuff we get from gansidecl.h.
6649 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6650 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6651 whether to use ANSI variable args.
6654 * prefix.c (concat): Likewise.
6658 * system.h: Likewise.
6660 * toplev.c (error_with_file_and_line): Likewise.
6661 (error_with_decl): Likewise.
6662 (error_for_asm): Likewise.
6665 (warning_with_file_and_line): Likewise.
6666 (warning_with_decl): Likewise.
6667 (warning_for_asm): Likewise.
6668 (warning): Likewise.
6669 (pedwarn): Likewise.
6670 (pedwarn_with_decl): Likewise.
6671 (pedwarn_with_file_and_line): Likewise.
6673 (really_sorry): Likewise.
6675 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6676 whether to declare `tree_node' and `rtx_def'.
6678 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6679 deciding whether to use ANSI variable args.
6680 (build_nt): Likewise.
6681 (build_parse_node): Likewise.
6683 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6685 * version.c: Bump for snapshot.
6687 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6689 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6691 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
6693 * collect2.c (main, case 'b'): Use else if.
6695 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6697 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6698 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6699 before the config/ directory headers.
6700 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6701 gansidecl.h in the list of dependencies.
6703 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6704 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6705 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6706 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6707 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6708 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6711 * cccp.c: Don't include gansidecl.h.
6713 * collect2.c: Likewise.
6714 * config/c4x/c4x.c: Likewise.
6715 * config/v850/v850.h: Likewise.
6716 * cppalloc.c: Likewise.
6717 * cpperror.c: Likewise.
6718 * cppexp.c: Likewise.
6719 * cppfiles.c: Likewise.
6720 * cpphash.c: Likewise.
6721 * cpplib.c: Likewise.
6722 * cppmain.c: Likewise.
6723 * cppulp.c: Likewise.
6724 * demangle.h: Likewise.
6725 * doprint.c: Likewise.
6726 * dyn-string.c: Likewise.
6727 * eh-common.h: Likewise.
6728 * fix-header.c: Likewise.
6729 * frame.c: Likewise.
6732 * gen-protos.c: Likewise.
6733 * gencheck.c: Likewise.
6734 * halfpic.h: Likewise.
6736 * machmode.h: Likewise.
6737 * mbchar.c: Likewise.
6738 * prefix.c: Likewise.
6739 * protoize.c: Likewise.
6740 * recog.h: Likewise.
6742 * scan-decls.c: Likewise.
6744 * varray.h: Likewise.
6746 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6748 * i386.md (call_value_pop): If we're not popping anything,
6749 defer to call_value.
6750 (call_pop): Likewise defer to call.
6752 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6754 * function.c (purge_addressof): Clear purge_addressof_replacements
6755 only after processing the whole function.
6757 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6759 * reload1.c (reload): If we can not perform a particular elimination
6760 when we thought we could earlier, then we must always iterate through
6761 the loop at least one more time.
6763 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6765 * alpha.c (add_operand): Simplify the CONST_INT match.
6766 (sext_add_operand): Correct typo in comparison by using
6767 CONST_OK_FOR_LETTER_P.
6768 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6769 constant alternatives to be generated.
6770 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6771 small constants, since the hw instructions do.
6773 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6775 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6776 previous insn to store directly into our reload register, make sure
6777 that if the source of the previous insn is a reload register, its
6778 spill_reg_store and spill_reg_stored_to values are cleared.
6780 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
6782 * rs6000.md (floatunssidf2_internal splitter): Use base register
6783 operand, not hard-coded SP.
6785 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6787 * jump.c (calculate_can_reach_end): Fix thinko.
6789 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6791 * reorg.c (fill_simple_delay_slots): Fix typo.
6793 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6795 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6797 * i386.md (extendsidi2): Use # in the output template.
6798 (extendsidi splitters): New splitters.
6800 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6802 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6804 * configure: Regenerate.
6806 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6808 * jump.c (init_label_info, delete_barrier_successors,
6809 mark_all_labels, delete_unreferenced_labels,
6810 delete_noop_moves, calculate_can_reach_end): New functions broken
6811 out of jump_optimize.
6812 (jump_optimize): Use them.
6814 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6816 * except.c (expand_fixup_region_end): Make sure outer context labels
6817 are not issued in an inner context during cleanups.
6819 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6821 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6824 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6826 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6827 to expose this midpoint to CSE.
6829 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6831 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6833 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6835 * configure.in: Bring over gcc2 change of Nov 19 1997.
6837 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6839 * toplev.c (output_lang_identify): Make definition dependent on
6840 ASM_IDENTIFY_LANGUAGE.
6842 * print-rtl.c (spaces): Make static.
6844 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6846 * extend.texi: Clarify proper uses for register clobbers in asms.
6848 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6850 * recog.h (enum op_type): Define.
6851 (constrain_operands): Adjust prototype.
6852 (recog_op_type): Declare new variable.
6853 * recog.c (recog_op_type): New variable.
6854 (insn_invalid_p): Allow modifying an asm statement after reload.
6855 (extract_insn): Set up recog_op_type.
6856 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6857 Don't compute operand types, use recog_op_type.
6858 Use the information computed by extract_insn instead of the previous
6859 method of finding it by insn code number.
6860 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6861 * reorg.c (fill_slots_from_thread): Likewise.
6862 * reload1.c (reload_as_needed): Likewise.
6863 (gen_reload): Likewise.
6864 (inc_for_reload): Likewise.
6865 (reload_cse_simplify_operands): Likewise.
6866 Use the information computed by extract_insn instead of the previous
6867 method of finding it by insn code number.
6868 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6870 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6871 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6872 Use the information computed by extract_insn instead of the previous
6873 method of finding it by insn code number.
6874 * regmove.c (find_matches): Likewise. Change meaning of the return
6875 value to be nonzero if the optimization can be performed, zero if
6876 not. All callers changed.
6877 Shorten some variable names to fix formatting problems.
6878 (regmove_optimize): Shorten some variable names to fix formatting
6880 Use the information computed by extract_insn instead of the previous
6881 method of finding it by insn code number.
6882 * regclass.c (scan_one_insn): Likewise.
6883 (record_reg_classes): Don't compute operand types, use recog_op_type.
6884 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
6885 recog_constraints instead.
6887 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
6889 * rtl.h (flow2_completed): Declare.
6890 * flow.c (flow2_completed): Definition.
6891 * toplev.c (rest_of_compilation): Set and clear flow2_completed
6894 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6896 * Makefile.in (libcpp.a): Ranlib libcpp.a
6898 * cppulp.c (user_label_prefix): Initialize.
6900 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
6902 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
6903 at a RETURN if current_function_sp_is_unchanging is set.
6905 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6907 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
6909 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
6911 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
6912 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
6913 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
6914 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
6915 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
6916 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
6918 (LIB_SPEC): Handle -mno-cyginw option.
6919 (LINK_SPEC): Handle -mdll.
6921 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6923 * reload.c (find_reloads): Fix test for usage by other reload
6924 to handle secondary reloads properly.
6926 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6928 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
6929 intermediate structure which has exactly the members provided by
6930 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
6931 static intermediate structure.
6933 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
6934 from the intermediate structure. Do the same analogous fix in
6935 the case where ELIMINABLE_REGS is not defined.
6937 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
6939 * pa.h (SELECT_SECTION): Fix thinko.
6941 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
6943 * dwarf2out.c (output_call_frame_info): Comments on last change.
6945 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
6947 * arm.c (add_constant): When taking the address of an item in the
6948 pool, get the mode of the item addressed.
6950 * arm.c (final_prescan_insn case INSN): If an insn doesn't
6951 contain a SET or a PARALLEL, don't consider it for conditional
6954 Restore ABI compatibility for NetBSD.
6955 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
6957 (RETURN_IN_MEMORY): Likewise.
6959 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
6961 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
6962 (m32r_output_block_move): Rewrite bytes < 4 handling.
6964 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6966 * configure.in: Call AC_FUNC_VFORK.
6968 * collect2.c: Define VFORK_STRING as a printable string for
6969 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6970 defined, include vfork.h. If VMS is defined, define vfork()
6971 appropriately. Remove vfork check on USG, we're using autoconf.
6972 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6973 checking locally what string to pass.
6974 (scan_prog_file): Likewise.
6975 (scan_libraries): Likewise.
6977 * gcc.c: Remove vfork check on USG, we're using autoconf.
6978 Besides, no calls to vfork/fork occur in this file.
6980 * protoize.c: Likewise.
6982 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6984 * configure.in (DEFAULT_LINKER): renamed from LD
6985 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6986 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6987 * configure: rebuilt
6989 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6991 * BUGS: fix the regexp for `more' to find the appropriate node.
6992 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6994 * BUGS: added link to the WWW FAQ
6996 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
6998 * version.c: Bump for snapshot.
7000 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
7002 * From Christian Gafton:
7003 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
7004 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
7005 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
7007 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
7009 * c-common.c (c_get_alias_set): Allow all type-punning through
7010 unions. Don't get confused about the type of a bit-field, despite
7011 the antics of build_modify_expr.
7013 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
7015 * fixinc.sco: Paramaterize #include_next values.
7016 * fixinc/fixinc.sco: Likewise.
7018 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
7020 * toplev.c (rest_of_compilation): No longer set reload_completed.
7021 * reload1.c (reload): Set it here. Perform instruction splitting
7022 after reload has completed if we will be running the scheduler
7025 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
7027 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
7028 EH region if exceptions are enabled and we're performing cross
7030 (find_cross_jump): Exit loop if the insns are in different EH regions.
7032 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
7034 * dwarf2out.c (output_call_frame_info): Use
7035 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
7037 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7039 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7040 * c-common.c (check_format_info): Don't check for the 'x'
7041 format character twice, instead check for 'x' and 'X'
7043 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7045 * configure.in (assembler features): Also make gas is configured if
7046 we find it in the souce tree.
7048 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7050 * i386.c (i386_comp_type_attributes): Compare whether the
7051 attributes are defined, not their tree nodes.
7053 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7055 * configure.in (gxx_include_dir): bitten by autoconf quoting
7057 * configure: rebuilt
7059 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7061 * configure.in: Ignore non-absolute value in $AS.
7063 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7065 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7067 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7069 * configure.in (msdosdjgpp): Set exeext and target_alias.
7071 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7073 * flow.c (XNMALLOC): New macro.
7074 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7076 (add_edge, add_edge_to_label): New static functions.
7077 (free_bb_memory): New function.
7078 (flow_delete_insn): Delete function.
7079 (basic_block_drops_in): Delete variable.
7080 (find_basic_blocks): Allocate and initialize basic_block_head,
7081 basic_block_succ. Don't allocate basic_block_drops_in.
7082 Call free_bb_memory at the beginning.
7083 (find_basic_blocks_1): Don't do multiple passes.
7084 Delete code to compute basic_block_drops_in.
7085 After calling make_edges, mark blocks reached by current block live.
7086 Update test for unreachable live blocks.
7087 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7089 Simplify to call add_edge_to_label when a LABEL_REF is found.
7090 (make_edges): Simplify to call add_edge_to_label instead of
7091 mark_label_ref most of the time.
7092 Compute here whether control drops into the next block.
7093 (delete_unreachable_blocks): Return void. All callers changed.
7094 Delete unreachable blocks in reverse order.
7095 After deleting all unreachable blocks, renumber the remaining ones
7096 and update n_basic_blocks.
7097 (delete_block): Speed up deletion a bit.
7098 Don't set basic_block_drops_in for deleted blocks.
7099 (free_basic_block_vars): Don't free basic_block_drops_in.
7100 (life_analysis_1): Update to use new edge representation.
7101 (dump_flow_info): Delete code to print basic block info; call
7102 dump_bb_data instead.
7103 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7104 and uid_block_number.
7105 Simply copy the previously computed cfg.
7106 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7107 Print register lifetime information if LIVE_INFO is nonzero.
7108 * basic-block.h (dump_bb_data): Adjust prototype.
7109 * gcse.c (gcse_main): Update call to dump_bb_data.
7110 * rtl.h (free_bb_memory): Declare.
7111 * toplev.c (rest_of_compilation): Call free_bb_memory.
7113 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7114 (update_eliminable_offsets): Don't compute it.
7115 (set_initial_elim_offsets): Don't initialize it.
7116 Break out some code into set_initial_label_offsets so the rest of
7117 this function can be called from reload_as_needed.
7118 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7119 ELIMINABLE_REGS isn't.
7120 (set_initial_label_offsets): New function, broken out of
7121 set_initial_elim_offsets.
7122 (set_offsets_for_label): New function, broken out of set_label_offsets
7123 and reload_as_needed.
7124 (reload): Call the two new functions.
7125 (reload_as_needed): Call set_initial_elim_offsets instead of
7126 duplicating the code. Likewise for set_offsets_for_label.
7128 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7129 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7130 any hard reg, reg_reloaded_dead contains valid data.
7132 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7134 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7135 "stdcall" and "cdecl" attributes.
7137 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7139 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7140 handle deleted no-op moves of hard registers.
7141 * haifa-sched.c (update_flow_info): Likewise.
7143 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7145 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7146 of the sequences to reload the HILO register which do not actually
7149 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7151 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7153 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7155 * except.c (emit_eh_context): Make the EH context register stay alive
7156 at -O0 so stupid.c doesn't get confused.
7158 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7160 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7162 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7163 Jeffrey A Law (law@cygnus.com)
7165 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7166 (zero_extendsidi2): Use # in output template and handle completely by
7168 (zero_extend splitters): New define_splits.
7169 (ashiftrt_32): New pattern.
7171 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7173 * tree.c (append_random_chars): New fn.
7174 (get_file_function_name_long): Use it.
7176 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7178 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7179 (LIBCPP_OBJS): New. Add cppulp.o.
7180 (cppmain, fix-header): Depend on and use libcpp.a.
7181 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7182 of the individual object files.
7183 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7186 * cccp.c (user_label_prefix): New.
7187 (main): Set it off -f*leading-underscore.
7188 (special_symbol): Use it.
7189 * cpplib.c (special_symbol): Likewise.
7190 (cpp_handle_option): Handle -f*leading-underscore.
7191 * cppulp.c: New file.
7193 * output.h (user_label_prefix): Declare it.
7194 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7195 * toplev.c (f_options, main): Handle -f*leading-underscore.
7197 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7198 referencing USER_LABEL_PREFIX directly.
7199 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7200 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7201 * final.c (asm_fprintf): Use user_label_prefix instead.
7202 * arm/thumb.c (thumb_print_operand): Likewise.
7204 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7205 cpp wherever appropriate.
7207 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7209 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7210 specific compiler switches.
7212 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7214 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7217 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7219 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7220 structure which has exactly the members provided by EXTRA_SPECS.
7221 Xmalloc() the real `extra_specs', and initialize it from this
7222 intermediate structure.
7224 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7226 * mips.h (EXTRA_SPECS): Likewise.
7228 * sparc.h (EXTRA_SPECS): Likewise.
7230 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7232 * function.c (purge_addressof_1): Instead of aborting when a
7233 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7234 work just put the ADDRESSOF on stack. Otherwise remember all such
7235 successfull replacements, so that exactly the same replacements
7236 can be made on the REG_NOTEs. Remove the special case for CALL
7238 (purge_addressof_replacements): New variable.
7239 (purge_addressof): Clear it at end.
7241 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7243 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7244 (lang_init): Call check_newline always.
7245 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7246 cpp_start_read, set yy_cur and yy_lim to read from
7247 parse_in.token_buffer, so that we'll see the first #line
7249 * cpplib.c (cpp_start_read): finclude the main input file
7250 before processing -include/-imacros. Process -imacros and
7251 -include separately, and handle -include by stacking a
7252 buffer for the file in question as if it'd been #included.
7253 * toplev.c (documented_lang_options) Recognize -H when
7256 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7258 * cpplib.c: Merge do_once into do_pragma. Break file handling
7259 code out of do_include.
7260 Move append_include_chain, deps_output,
7261 file_cleanup, redundant_include_p, import_hash,
7262 lookup_import, add_import, read_filename_string, read_name_map,
7263 open_include_file, finclude, safe_read to cppfiles.c.
7264 Move prototypes for deps_output, append_include_chain,
7265 finclude to cpplib.h. Move definition of struct
7266 file_name_list there also.
7268 * cppfiles.c: New file. Contains all the above functions
7269 broken out of cpplib.c; also hack_vms_include_specification
7270 from cccp.c and find_include_file, a new function broken out of
7273 * Makefile.in (cppmain): Depend on cppfiles.o.
7274 (fix-header): Likewise.
7275 (cppfiles.o): New target.
7276 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7277 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7279 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7281 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7282 if pending_types is non-zero.
7283 (dwarfout_finish): Verify pending_types is zero before finishing.
7285 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7287 * expr.c (convert_move): Use shifts to perform the move if a
7288 suitable extend pattern cannot be found. Code written by
7289 Richard Henderson <rth@cygnus.com>.
7291 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7293 * regclass.c (renumber, regno_allocated): New static variables, moved
7294 out of allocate_reg_info.
7295 (allocate_reg_info): Move these two variables outside the function.
7296 Move code to free memory into new function free_reg_info.
7297 (free_reg_info): New function, broken out of allocate_reg_info.
7298 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7299 * rtl.h (allocate_reg_info): Don't declare.
7300 (free_reg_info): Declare.
7302 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7304 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7306 * toplev.c (compile_file): Temporarily revert last change.
7308 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7310 * c-typeck.c (convert_for_assignment): Parenthesize.
7312 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7314 * reload1.c (delete_output_reload): Avoid ambigous else.
7316 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7318 * toplev.c (compile_file): Call allocate_reg_info to free register
7320 * rtl.h (allocate_reg_info): Declare.
7322 * PROJECTS: Remove entry for local spilling.
7324 * final.c (cleanup_subreg_operands): New function.
7325 (final_scan_insn): Use it.
7326 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7328 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7329 operands when reload has finished.
7330 * reload.h (cleanup_subreg_operands): Declare..
7331 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7332 reload. Handled in reload itself.
7334 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7336 * reload1.c (verify_initial_offsets): New function.
7337 (reload): Call it after reload_as_needed. Also verify that the frame
7338 size stays constant during reload_as_needed.
7339 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7341 * reload.h (struct insn_chain): Add need_operand_change element.
7342 * reload1.c (new_insn_chain): Clear it.
7343 (calculate_needs_all_insns): Set it; don't overload need_reload.
7344 (reload_as_needed): Use it.
7346 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7347 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7348 and reload_address_index_reg_class.
7349 (find_reloads_address_1): Likewise.
7350 * reload.h (reload_address_base_reg_class,
7351 reload_address_index_reg_class): Don't declare.
7352 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7353 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7354 (used_spill_regs): Now static.
7355 (reload_address_base_reg_class, reload_address_index_reg_class,
7356 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7357 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7358 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7361 (init_reload): Delete code to compute base/index reg classes.
7362 (reload): Delete variable J.
7363 Delete code to manage basic_block_needs.
7364 Don't compute regs_explicitly_used.
7365 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7366 pseudo_previous_regs.
7367 Initialize bad_spill_regs_global.
7368 Don't call order_regs_for_reload here.
7369 Don't initialize spill_reg_order and n_spills.
7370 Don't forbid explicitly used regs to be used for spill regs.
7371 Change main loop to infinite loop, with explicit break statements.
7372 Make SOMETHING_CHANGED variable local to that loop.
7373 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7374 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7375 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7377 Don't call dump_needs.
7378 Delete code to reset potential_reload_regs.
7379 Delete code to terminate loop conditional on the global needs variables
7380 showing no further needs.
7381 (calculate_needs_all_insns): Return void. All callers changed.
7382 Initialize somehing_needs_elimination here, not in reload.
7383 Delete avoid_return_reg kludge.
7384 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7385 All callers changed.
7386 Initialize the group_mode and group_size elements of the arg CHAIN.
7387 Delete code to manage basic_block_needs.
7388 Operate on elements of CHAIN instead of global variables.
7389 Delete avoid_return_reg kludge.
7390 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7391 All callers changed.
7392 Operate on elements of CHAIN instead of global variables.
7393 Delete special SMALL_REGISTER_CLASSES code.
7394 Delete spill_failure code; now in new_spill_reg.
7395 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7396 All callers changed.
7397 Operate on elements of CHAIN instead of global variables.
7398 (maybe_mark_pseudo_spilled): New static function.
7399 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7400 All callers changed.
7401 Operate on elements of CHAIN instead of global variables.
7402 Call order_regs_for_reload here, not in reload.
7403 Initialize spill_reg_order and n_spills.
7404 Simplify test whether an asm insn is involved.
7405 Delete spill_failure code; now in new_spill_reg.
7406 Call maybe_mark_pseudo_spilled for everything marked as live in
7407 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7409 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7410 compiler from optimizing this function (now unused) away.
7411 Operate on elements of CHAIN instead of global variables.
7412 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7414 Operate on elements of CHAIN instead of global variables.
7415 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7416 take CHAIN arg. All callers changed.
7417 Operate on elements of CHAIN instead of global variables.
7418 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7419 CHAIN, NONGROUP args. Return void. All callers changed.
7420 Verify caller isn't trying to spill a pseudo.
7421 Simplify test for illegal reg, just use bad_spill_regs.
7422 Generate better error messages.
7423 Operate on elements of CHAIN instead of global variables.
7424 Mark spilled register in CHAIN's used_spill_regs element.
7425 Don't call spill_hard_reg.
7426 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7427 Mark spilled hard regs in bad_spill_regs_global.
7428 Mark affected pseudos in spilled_pseudos, but don't spill them.
7429 (ior_hard_reg_set): New static function.
7430 (finish_spills): Return int. All callers changed.
7431 Compute spill_reg_order, n_spills and spill_regs here. Also update
7432 regs_ever_live for regs used as spills.
7433 For every pseudo in spilled_pseudos, spill it and mark the previous
7434 hard reg it had in pseudo_previous_regs. Compute which hard regs
7435 arseudo): New static function.
7436 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7437 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7438 hard registers explicitly used across the current insn into the set.
7439 Compute hard_reg_n_uses taking only pseudos live across this insn
7441 Tweak sorting of potential_reload_regs.
7442 (compare_spill_regs): Delete function.
7443 (reload_as_needed): Don't sort the spill_regs array, it's computed
7444 in proper order in finish_spills.
7445 Delete avoid_return_reg kludge.
7446 Delete code to manage basic_block_needs.
7447 (allocate_reload_reg): Minor speed/readability tweaks.
7448 Operate on elements of CHAIN instead of global variables.
7449 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7450 Delete avoid_return_reg kludge.
7451 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7452 Delete unused label FAIL.
7453 (reload_combine): Replce reload_address_index_reg_class with
7455 Don't use used_spill_regs to determine information about lifetime of
7458 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7460 * toplev.c (display_help): Ignore empty target specific
7461 options, and if -W is also specified on the command line then
7462 display undocumented options.
7464 * config/arm/arm.c: Updated with changes in devo sources.
7465 * config/arm/arm.h: Updated with changes in devo sources.
7466 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7467 * config/arm/lib1thumb.asm: Add ELF support.
7469 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7471 * collect2.c (aix64_flag): New variable.
7472 (main, case 'b'): Parse it.
7473 (GCC_CHECK_HDR): object magic number must match mode.
7474 (scan_prog_file): Only check for shared object if valid header.
7475 Print debugging if header/mode mismatch.
7477 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7479 Added support for arm-elf-linux configuration, submitted by Philip
7480 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7481 code developed by Catherine Moore <clm@cygnus.com>. The following
7484 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7487 * configure: Regenerated.
7489 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7490 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7491 definitions conditional on their not having been already defined.
7493 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7494 and .type directives, and add "(PLT)" qualification to function
7497 * config/arm/linux.h: Deleted. This file is now superceeded by
7498 either linux-elf.h or linux-aout.h.
7500 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7501 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7503 Move definitions from old linux.h file here.
7505 * config/arm/elf.h: New file. Generic ARM/ELF support.
7507 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7509 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7511 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7512 using the 26bit APCS.
7514 * config/arm/unknown-elf.h: New file. Support for OS'es other
7515 than Linux with ELF.
7517 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7520 * config/arm/coff.h: Include aout.h for basic assembler macros.
7521 Add support for -mstructure_size_boundary=<n> command line option.
7523 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7524 command line option. Make macro definitions conditional on their
7525 not having been already defined.
7527 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7528 command line option.
7531 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7533 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7534 has been changed to not include a newline. Use this macro instead.
7535 (output_enumeral_list, const_value_attribute, name_attribute,
7536 comp_dir_attribute, prototyped_attribute, producer_attribute,
7537 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7538 dwarfout_file_scope_decl, generate_new_sfname_entry,
7539 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7540 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7542 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7544 * combine.c (subst): Process the inputs to a parallel asm_operands
7547 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7549 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7551 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7553 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7555 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7557 * version.c: Bump for snapshot.
7559 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7561 * stmt.c (expand_fixup): Set fixup->before_jump to a
7562 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7564 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7566 * Makefile.in (recog.o): Depend on toplev.h.
7567 (insn-emit.o): Depend on recog.h.
7568 (insn-peep.o): Depend on recog.h and insn-config.h.
7570 * combine.c (simplify_set): Remove unused variable `scratches'.
7572 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7573 and `idx' in macro conditional controlling their use.
7575 * genemit.c (main): Make the generated output file include
7576 recog.h. Don't have it declare `insn_operand_constraint', since
7577 we get it from recog.h.
7579 * genpeep.c (main): Make the generated output file include
7580 insn-config.h and recog.h.
7582 * recog.c: Include toplev.h.
7583 (extract_insn): Remove unused variable `p'.
7585 * regclass.c (fix_register): Add missing braces around initializer
7587 (allocate_reg_info): Move variable `i' into the scope where it is
7588 used. Change its type to `size_t'.
7590 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7592 * reload.c (push_reload): When merging reloads, make sure
7593 that reload_in_reg and reload_in are from the same reload in
7596 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7598 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7599 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7601 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
7603 * loop.c (loop_has_tablejump): New variable.
7604 (prescan_loop): Scan for it.
7605 (insert_bct): Replace explicit scan with use of it.
7606 * regclass.c (regclass): Restore loop variable j.
7607 (record_reg_classes): Deterine op_types modifiers and initialize
7608 classes[i] before matching constraints. Handle matching
7611 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7613 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7616 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7618 * mips.h (EXTRA_SPECS): Add missing initializers.
7620 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7622 * sparc.h (EXTRA_SPECS): Add missing initializers.
7623 (sparc_defer_case_vector): Provide a prototype.
7625 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7626 comparing it to the result of a pointer subtraction.
7628 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7630 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7631 the argument to (unsigned char).
7633 * alpha.h (EXTRA_SPECS): Add missing initializers.
7634 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7637 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7639 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7640 (propagate_block): Delete dead code after reload.
7642 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7643 back Oct 15, 1998 change.
7644 * haifa-sched.c (update_flow_info): Likewise.
7645 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7647 * mn10200.md (truncated shift): Accept constant inputs too.
7649 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7651 * machmode.h (mode_mask_array): No longer const.
7652 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7654 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7656 * frame.c: Somewhat explain `FDE'.
7657 Suggested by Brendan Kehoe
7659 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7661 * expr.c (pending_chain): Move up.
7662 (save_expr_status): Do save pending_chain.
7663 (restore_expr_status): And restore it.
7664 * function.h (struct function): Add pending_chain.
7666 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7668 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7669 did not match the code.
7671 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7673 * regclass.c (regclass): Break out some code into new function
7674 scan_one_insn, and into regclass_init.
7675 (init_cost): New static variable, moved out of regclass.
7676 (regclass_init): Initialize it here, not in .
7677 (scan_one_insn): New static function, broken out of regclass.
7678 * recog.c (apply_change_group): Break out some code into new
7679 function insn_invalid_p.
7680 (insn_invalid_p): New static fn, broken out of apply_change_group.
7682 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7684 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7685 reg_reloaded_contents matches incremented pseudo.
7687 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7689 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7691 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7692 addressing modes with side effects. These are currently
7693 placeholders for the C4x target.
7695 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7697 * loop.c (express_from): Make sure that when generating a PLUS of
7698 a PLUS, any constant expression appears on the outermost PLUS.
7700 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7702 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7703 works if "$(srcdir)" != ".".
7705 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7707 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7708 existing SUBREG if we can, otherwise abort.
7710 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7712 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7713 `restrict' is applied to a non-pointer variable.
7715 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7717 * invoke.texi: Document -flang-isoc9x.
7719 * Makefile.in (OBJS): Add splay-tree.o.
7720 (c-common.o): Depend on rtl.h.
7721 (splay-tree.o): List dependencies and provide build rule.
7723 * rtl.h (record_alias_subset): New function.
7724 * alias.c: Include splay-tree.h.
7725 (alias_set_entry): New type.
7726 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7727 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7728 (mems_in_disjoin_alias_sets_p): New function.
7729 (alias_set_compare): Likewise.
7730 (insert_subset_children): Likewise.
7731 (get_alias_set_entry): Likewise.
7733 * tree.h (TYPE_RESTRICT): New macro.
7734 (TYPE_UNQUALIFIED): New manifest constant.
7735 (TYPE_QUAL_CONST): Likewise
7736 (TYPE_QUAL_VOLATILE): Likewise.
7737 (TYPE_QUAL_RESTRICT): Likewise.
7738 (tree_type): Add restrict_flag. Reduce count of free bits.
7739 (DECL_POINTER_ALIAS_SET): New macro.
7740 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7741 (tree_decl): Add pointer_alias_set.
7742 (build_qualified_type): New function.
7743 (build_type_variant): Define in terms of build_qualified_type.
7744 * tree.c (set_type_quals): New function.
7745 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7746 (build_type_attribute_variant): Use build_qualified_type and
7748 (build_type_variant): Rename, and modify, to become...
7749 (build_qualified_type): New function.
7750 (build_complex_type): Use set_type_quals.
7752 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7753 (C_TYPE_FUNCTION_P): Likewise.
7754 (C_TYPE_INCOMPLETE_P): Likewise.
7755 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7756 (c_apply_type_quals_to_decl): New function.
7757 (c_build_qualified_type): New function.
7758 (c_build_type_variant): Define in terms of c_build_qualified_type.
7759 (flag_isoc9x): Declare.
7760 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7761 (common_type): Change to use TYPE_QUALS.
7762 (comptypes): Likewise.
7763 (convert_for_assignment): Likewise.
7764 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7765 * c-decl.c (flag_isoc9x): Define.
7766 (c_decode_option): Handle -flang-isoc9x.
7767 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7768 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7769 * c-lex.c (init_lex): Deal with restrict.
7770 (init_lex): Don't treat restrict as a reserved word in
7771 -traditional mode, or without -flang-isoc9x.
7772 * c-lex.h (rid): Add RID_RESTRICT.
7773 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7774 equivalent to RID_RESTRICT.
7775 * c-parse.in (TYPE_QUAL): Update comment.
7776 * c-common.c: Include rtl.h.
7777 (c_find_base_decl): New function.
7778 (c_build_type_variant): Rename, and modify, to become ...
7779 (c_build_qualified_type): New function.
7780 (c_apply_type_quals_to_decl): Likewise.
7781 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7782 a particular alias set for the reference.
7783 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7785 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7787 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7788 command line switches.
7790 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7792 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7795 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7797 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7799 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7801 * regclass.c (fix_register): Add error message.
7802 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7805 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7807 * c-decl.c (warn_missing_noreturn): New global variable.
7808 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7809 (finish_function): Implement missing noreturn warning.
7811 * c-tree.h (warn_missing_noreturn): Declare extern.
7813 * invoke.texi: Document new flags.
7815 * toplev.c (documented_lang_options): Add description.
7817 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7819 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7820 loop optimization stable for the C4x.
7821 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7822 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7823 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7825 (c4x_address_conflict): Be more paranoid when packing a volatile
7826 memref in a parallel load/store.
7828 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7830 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7831 repeat_block_filler): Deleted.
7832 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7833 Condition code not set if destination register from 'c' class.
7834 (*subbqi3_carry_clobber): Fix typo.
7836 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7838 * reorg.c (steal_delay_list_from_target) Check for insns that
7839 modify the condition codes and effect the direction of the jump
7842 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7844 * function.c (purge_addressof_1): Replace call to
7845 emit_insns_before() with emit_insn_before().
7847 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7849 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7851 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7853 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7855 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7857 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7858 clobbered across calls.
7860 * loop.c (scan_loop): Be more selective about what invariants are
7861 moved out of a loop.
7863 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7865 * version.c: Bump for snapshot.
7867 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7869 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7870 static eh_context structure.
7872 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7874 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7876 (try_combine): Don't update max_scratch.
7877 * flow.c (max_scratch, num_scratch): Delete variables.
7878 (life_analysis_1): Don't initialize max_scratch.
7879 (propagate_block): Don't update max_scratch.
7880 (mark_set_1): Don't increment num_scratch.
7881 * regs.h (max_scratch): Delete declaration.
7883 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
7885 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
7886 is nonzero. This is temporary!
7888 * sched.c (update_flow_info): Handle death notes made invalid by
7889 instruction splitting. Partially reverts Oct 15, 1998 patch.
7890 * haifa-sched.c (update_flow_info): Likewise.
7892 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
7894 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
7895 if it has a nonzero DECL_INITIAL.
7897 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7899 * Makefile.in (flow.o): Depend on recog.h.
7901 * cpplib.h (directive_table): Add missing initializiers.
7902 (finclude): Change type of variable `bsize' to size_t.
7904 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
7906 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
7908 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
7909 `int' when comparing against one.
7910 (cpp_file_line_for_message): Mark parameter `pfile' with
7912 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
7914 * flow.c: Include recog.h.
7915 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
7917 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
7918 `f' with ATTRIBUTE_UNUSED.
7919 (reposition_prologue_and_epilogue_notes): Likewise.
7921 * genopinit.c (gen_insn): Cast argument of ctype functions to
7924 * haifa-sched.c: Include recog.h.
7925 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
7926 comparing against one.
7928 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
7930 * mips-tfile.c (parse_end): Cast the argument of ctype function to
7932 (parse_ent): Likewise.
7933 (parse_input): Likewise.
7935 * optabs.c (init_libfuncs): Likewise.
7937 * protoize.c (find_rightmost_formals_list): Likewise.
7939 * recog.h (const_double_operand): Fix typo in prototype.
7941 * tlink.c (scan_linker_output): Cast the argument of ctype
7942 function to `unsigned char'.
7944 * toplev.c (check_lang_option): Cast the result of `strlen' to
7945 `int' when comparing against one.
7947 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7949 * gcse.c (dump_cuid_table): Correct typo.
7951 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7953 * toplev.c (display_help): Prepend '-m' to target specific
7955 (check_lang_option): Ignore text after end of first word of a
7956 language specific option.
7958 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7960 * reload1.c (reg_used_by_pseudo): New static variable.
7961 (choose_reload_regs): Initialize it.
7962 Use it instead of testing spill_reg_order to determine whether a
7963 pseudo is live in a hard register across the current insn.
7964 Fix a typo in a reference to reload_reg_rtx.
7966 * flow.c (propagate_block): Replace code that computes and uses
7967 regs_sometimes_live with simpler code that just walks the set of
7968 currently live registers.
7970 * Makefile.in (insn-extract.o): Fix dependencies.
7971 * genextract.c (main): Generate includes for insn-config.h and
7973 Delete generation of declarations which are now in recog.h.
7974 * genrecog.c (main): Delete generation of definitions which are
7976 * local-alloc.c (block_alloc): Use extract_insn and the variables
7977 it sets up instead of looking up values by insn_code.
7978 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7979 recog_dup_num): Define here instead of generating the definition in
7981 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7982 recog_operand_mode, recog_constraints, recog_operand_address_p):
7984 (extract_insn): New function.
7985 * recog.h (extract_insn): Declare function.
7986 (which_alternative, recog_n_operands, recog_n_dups,
7987 recog_n_alternatives, recog_operand_mode, recog_constraints,
7988 recog_operand_address_p): Declare variables.
7989 * regclass.c (n_occurrences): New static function.
7990 * reload.c (n_occurrences): Delete function.
7991 (find_reloads): Use extract_insn.
7992 * reload.h (n_occurrences): Delete declaration.
7994 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
7996 * reload1.c (reload_as_needed): Fix test for when to call
7997 update_eliminable_offsets.
7999 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8001 Fix consistency problems with reg_equiv_{mem,address};
8002 Improve reload inheritance;
8004 * reload.c (reload_out_reg): New variable.
8005 (loc_mentioned_in_p, remove_address_replacements): New functions.
8006 (remove_replacements): Deleted.
8007 (push_reload): Set reload_out_reg[i].
8008 When merging, also set reload_{in,out}_reg[i], and remove
8009 duplicate address reloads.
8010 (combine_reloads): Copy reload_out_reg[i].
8011 (find_reloads): Do make_memloc substitution also when
8012 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8014 Include *recog_operand_loc in commutativity operand changes.
8015 Generate optional output reloads.
8016 Delete reference to n_memlocs. Don't set *recog_operand_loc before
8017 processing operands. Call make_memloc in reg_equiv_address code.
8018 Set *recog_operand_loc only after processing operands, and only
8019 if replace is true. Return a value.
8020 When changing address reload types for operands that didn't get
8021 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
8022 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
8023 Don't emit USEs for pseudo SUBREGs when not replacing.
8024 (find_reloads_address): Do make_memloc substitution also when
8025 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8027 (find_reloads_toplev): Likewise.
8028 Call make_memloc in reg_equiv_address code.
8029 (debug_reload_to_stream): Add code to output reload_out_reg.
8030 (make_memloc): Delete local variable i, ifdefed out code, and
8031 references to memlocs and n_memlocs.
8032 (memlocs, n_memlocs): Delete.
8033 (push_secondary_reload): Clear reload_out_reg.
8034 (find_reloads_address_1): Provide memrefloc argument to all calls
8035 to find_reloads_address.
8036 In AUTO_INC code, handle non-directly addressable equivalences properly.
8037 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
8038 (find_reloads): Add return type.
8039 (remove_address_replacements, deallocate_reload_reg): Declare.
8040 * reload1.c (num_not_at_initial_offset): No longer static.
8041 (delete_address_reloads, delete_address_reloads_1): Likewise.
8042 (deallocate_reload_reg): New function.
8043 (spill_reg_stored_to): New array.
8044 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8045 (eliminate_regs_in_insn): Move assignments of previous_offset and
8046 max_offset fields, and recalculation of num_not_at_initial_offset
8047 into new static function:
8048 (update_eliminable_offsets) .
8049 (reload_as_needed): Call update_eliminable_offsetss after calling
8051 Call forget_old_reloads_1 with contents of reloaded auto_inc
8052 expressions if the actual addressing can't be changed to match the
8054 (choose_reload_regs): For inheritance, replace
8055 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8056 remove stand-alone reload_reg_used_at_all test.
8057 Use reload_out_reg to determine which reload regs have output reloads.
8058 Treat reload_override_in more similar to inherited reloads.
8059 Handle (subreg (reg... for inheritance.
8060 For flag_expensive_optimizations, add an extra pass to remove
8061 unnecessary reloads from known working inheritance.
8062 Delete obsolete code for pseudos replaced with MEMs.
8063 Handle inheritance from auto_inc expressions.
8064 (emit_reload_insns): If reload_in is a MEM, set OLD to
8066 Don't reload directly from oldequiv; if it's a pseudo with a
8067 stack slot, use reload_in[j].
8068 Check that reload_in_reg[j] is a MEM before replacing reload_in
8069 from reg_reloaded_contents.
8070 Include non-spill registers in reload inheritance processing.
8071 Also try to use reload_out_reg to set spill_reg_store /
8072 reg_last_reload_reg.
8073 In code to set new_spill_reg_store, use single_set to find out if
8074 there is a single set.
8075 Add code that allows to delete optional output reloads.
8076 Add code to allow deletion of output reloads that use no spill reg.
8077 At the end, set reload_override_in to oldequiv.
8078 Also call delete_output_reload if reload_out_reg is equal to old
8080 Add code to call delete_output_reload for stores with no matching load.
8081 Set / use spill_reg_stored_to.
8082 Handle case where secondary output reload uses a temporary, but
8083 actual store isn't found.
8084 When looking for a store of a value not loaded in order to call
8085 delete_output_reload, count_occurences should return 0 for no
8086 loads; but discount inherited input reloadill_reg_stored_to.
8087 Do checks for extra uses of REG. Changed all
8089 Use delete_address_reloads.
8090 (reload): Take return value of find_reloads into account.
8091 If a no-op set needs more than one reload, delete it.
8092 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8093 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8094 for the same operand.
8095 (clear_reload_reg_in_use): Check for other reloads that keep a
8097 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8098 RELOAD_FOR_OPADDR_ADDR.
8099 Take into account when an address address reload is only needed
8100 for the address reload we are considering.
8101 (count_occurrences): Use rtx_equal_p for MEMs.
8102 (inc_for_reload): Return instruction that stores into RELOADREG.
8103 New argument two, IN, and rtx. Changed all callers.
8104 (calculate_needs_all_insns, reload_as_needed):
8105 Don't clear after_call for a CLOBBER.
8106 Keep track of how many hard registers need to be copied from
8107 after_call, and don't clear after_call before we have seen
8108 that much copies, or we see a different instruction.
8110 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8112 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8113 after reload has completed.
8115 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8117 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8118 a macro name and the next token with a single blank if that whitespace
8119 is in a macro buffer and the next token is not '('.
8121 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8123 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8125 (skip_if_group): Ditto.
8126 (skip_to_end_of_comment): Ditto.
8128 (discard_comments): Ditto.
8129 (change_newlines): Ditto.
8131 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8133 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8135 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8137 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8138 (TARGET_OPTIONS): Add --help documentation.
8140 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8142 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8144 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8146 * fixinc/* Moved in from ../contrib directory in preparation
8147 for integrating it into the normal build process. In particular,
8148 fixinc/Makefile.in must be config-ed into the build directory
8149 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8150 ./configure.in will be "in the mail" momentarily.
8152 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8154 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8155 accidently walk into the free list. Comment how that can happen.
8156 (invalidate): Fix indentation.
8158 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8159 Jeffrey A Law (law@cygnus.com)
8161 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8162 reload. Never perform rescans of the insn chain after reload.
8163 (propagate_block): Do not delete insn or create new autoinc addressing
8166 * jump.c (jump_optimize): Unconditionally use the code that was
8167 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8168 * reload1.c (reload): When reloading is finished, delete all
8169 REG_DEAD and REG_UNUSED notes.
8170 (emit_reload_insns): Delete all code that was conditional on
8171 PRESERVE_DEATH_INFO_REGNO_P.
8172 (no_longer_dead_regs): Delete variable.
8173 (reload_cse_delete_death_notes): Delete function.
8174 (reload_cse_no_longer_dead): Delete function.
8175 (reload_cse_regs_1): Delete all code to handle deletion of death
8177 (reload_cse_noop_set_p): Likewise.
8178 (reload_cse_simplify_set): Likewise.
8179 (reload_cse_simplify_operands): Likewise.
8180 (reload_cse_move2add): Likewise.
8181 * reorg.c (used_spill_regs): Delete declaration.
8182 (max_label_num_after_reload): Delete declaration.
8183 (find_dead_or_set_registers): Don't assume that spill regs are
8184 dead at a CODE_LABEL.
8185 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8187 * sched.c (sched_analyze_insn): Likewise.
8188 (update_flow_info): Likewise.
8189 * haifa-sched.c (sched_analyze_insn): Likewise.
8190 (update_flow_info): Likewise.
8191 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8192 * toplev.c (max_label_num_after_reload): Delete variable.
8193 (rest_of_compilation): Don't set max_label_num_after_reload.
8194 Call life_analysis after reload_cse_regs if optimizing.
8195 * config/gmicro/gmicro.h: Delete comment referring to
8196 PRESERVE_DEATH_INFO_REGNO_P.
8197 * config/i386/i386.h: Likewise.
8198 * config/m88k/m88k.h: Likewise.
8199 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8200 * config/sh/sh.h: Likewise.
8202 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8204 * loop.c (strength_reduce): Restore marking bct_p as
8206 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8207 HAVE_decrement_and_branch_on_count.
8208 (small_data_operand): Remove TARGET_ELF condition for marking
8209 parameters ATTRIBUTE_UNUSED.
8211 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8213 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8214 (SELECT_SECTION): Resync with svr4.h.
8216 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8218 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8221 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8223 * c-pragma.c (handle_pragma_token): Test for null tree before
8224 dereferencing TREE_CODE.
8226 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8228 * config/c4x/c4x.c: Convert to use GEN_INT.
8229 (c4x_parallel_process): Rework to handle new repeat loop structure.
8231 * config/c4x/c4x.md: Convert to use GEN_INT.
8232 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8233 (decrement_and_branch_on_count): Likewise.
8235 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8236 loop.c has the desired functionality.
8237 (rc_reg_operand): New prototype.
8239 * config/c4x/t-c4x: Can now build all front ends.
8241 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8243 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8245 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8247 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8248 * config/t-rtems: Do not install assert.h -- use newlib's.
8250 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8252 * combine.c (combine_instructions): When finished, call init_recog.
8253 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8255 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8257 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8259 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8261 * cppalloc.c (memory_full): Mark function prototype with
8264 * demangle.h (collect_exit): Likewise.
8266 * fix-header.c (v_fatal, fatal): Likewise.
8268 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8271 * gcov.c (print_usage): Likewise.
8273 * genattr.c (fatal, fancy_abort): Likewise.
8275 * genattrtab.c (fatal, fancy_abort): Likewise.
8277 * gencodes.c (fatal, fancy_abort): Likewise.
8279 * genconfig.c (fatal, fancy_abort): Likewise.
8281 * genemit.c (fatal, fancy_abort): Likewise.
8283 * genextract.c (fatal, fancy_abort): Likewise.
8285 * genflags.c (fatal, fancy_abort): Likewise.
8287 * genopinit.c (fatal, fancy_abort): Likewise.
8289 * genoutput.c (fatal, fancy_abort): Likewise.
8291 * genpeep.c (fatal, fancy_abort): Likewise.
8293 * genrecog.c (fatal, fancy_abort): Likewise.
8295 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8296 __sjpopnthrow, __throw): Likewise.
8298 * objc/objc-act.c (objc_fatal): Likewise.
8300 * protoize.c (usage, aux_info_corrupted,
8301 declare_source_confusing): Likewise.
8303 * rtl.c (dump_and_abort): Likewise.
8305 * rtl.h (sets_cc0_p): Likewise.
8307 * toplev.c (float_signal, pipe_closed): Likewise.
8309 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8311 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8312 when generating the decision tree for the general case.
8314 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8315 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8317 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8319 * Makefile.in (sched.o): Depend on recog.h.
8321 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8322 (unsigned) when comparing against one.
8323 (find_base_value): Likewise.
8324 (record_base_value): Cast variable `regno' to (unsigned) when
8325 comparing against one. Cast the result of REGNO() macro to
8326 (unsigned) when comparing against one.
8327 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8329 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8330 variable where an unsigned index is needed.
8332 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8333 before comparing against one.
8335 * collect2.c: Add prototypes for functions `error', `fatal' and
8336 `fatal_perror'. Make these functions take variable arguments
8337 instead of faking it with a fixed number of args.
8338 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8341 * combine.c (can_combine_p): Mark parameter `pred' with
8343 (find_split_point): Cast variable `src' to (unsigned
8344 HOST_WIDE_INT) when comparing against one.
8345 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8346 (simplify_logical): Likewise.
8347 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8348 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8349 HOST_WIDE_INT) in shift.
8350 (simplify_and_const_int): Cast result of INTVAL() macro to
8351 `unsigned HOST_WIDE_INT' when comparing against one.
8352 (merge_outer_ops): Cast variable const0 to `unsigned
8353 HOST_WIDE_INT' when comparing against the result of
8354 GET_MODE_MASK() macro.
8355 (simplify_comparison): Likewise for variable `c0'. Cast variable
8356 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8357 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8358 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8359 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8360 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8361 comparing against one.
8362 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8364 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8365 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8366 (output_block_move): Cast `sizeof' expression to (int) when
8367 comparing against one.
8368 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8370 (save_restore_insns): Cast `base_offset' to `long' to match format
8371 specifier in fprintf.
8373 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8374 to `enum machine_mode'.
8376 * flow.c (life_analysis_1): Remove unused variable `insn'.
8378 * gcc.c (translate_options): Move variables `j' and `k' into the
8379 scope in which they are used. Change their types to `size_t'.
8380 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8381 (read_specs): Likewise.
8382 (process_command): Cast `sizeof' to (int) when comparing against one.
8383 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8384 (handle_braces): Cast both sides of `==' expression to `long' to
8385 ensure sign matching.
8386 (main): Cast variable `i' to `int' when comparing against one.
8388 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8389 int to size_t. Cast variable `i' to size_t when comparing against
8392 * genattrtab.c (convert_set_attr_alternative): Remove unused
8393 parameter `insn_code'. All callers changed.
8394 (convert_set_attr): Likewise.
8396 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8397 size_t when comparing against one. Likewise for variable `len'.
8399 * global.c (global_alloc): Cast variable `max_regno' to size_t
8400 when comparing against one. Likewise for variable `max_allocno'.
8402 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8404 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8405 `set' with ATTRIBUTE_UNUSED.
8406 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8409 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8410 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8411 (get_condition): Cast variable `const_val' to `unsigned
8412 HOST_WIDE_INT' when comparing against one. Cast unsigned
8413 expression to HOST_WIDE_INT when comparing against one.
8414 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8415 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8416 `unsigned' when comparing against one.
8418 * protoize.c (is_id_char): Change type of parameter `ch' to
8420 (munge_compile_params): Cast argument of ctype macro to (const
8422 (process_aux_info_file): Cast variable `aux_info_size' to int when
8423 comparing against one.
8424 (forward_to_next_token_char): Cast argument of ctype macro to
8425 `const unsigned char'.
8426 (edit_formals_lists): Likewise.
8427 (find_rightmost_formals_list): Likewise.
8428 (add_local_decl): Likewise.
8429 (add_global_decls): Likewise.
8430 (edit_fn_definition): Likewise.
8431 (do_cleaning): Likewise.
8432 (scan_for_missed_items): Likewise.
8433 (edit_file): Cast variable `orig_size' to (int) when comparing
8435 (main): Cast argument of ctype macro to `const unsigned char'.
8437 * recog.c (const_int_operand): Mark parameter `mode' with
8440 * regclass.c (record_reg_classes): Change type of variable `c' to
8441 `unsigned char'. Cast `char' array index to `unsigned char'.
8443 * reload.c (push_secondary_reload): Cast argument to
8444 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8446 * reload1.c (calculate_needs): Cast `char' array index to
8448 (set_label_offsets): Change type of variable `i' to unsigned int.
8449 Cast result of XVECLEN() macro to unsigned when comparing against
8451 (mark_not_eliminable): Change type of variable `i' to unsigned.
8452 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8453 when comparing against one.
8454 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8455 comparing against one.
8456 (choose_reload_regs): Hide unused label `fail'.
8457 (reload_cse_simplify_operands): Cast `char' array index to
8459 (reload_combine_note_store): Mark parameter `set' with
8460 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8462 (reload_cse_move2add): Remove unused variable `src2'.
8464 * sched.c: Include recog.h.
8465 (sched_note_set): Remove unused parameter `b'. All callers
8467 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8468 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8469 when comparing against one.
8471 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8472 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8473 comparing against one.
8475 * unroll.c (precondition_loop_p): Remove unused parameter
8476 `loop_end'. All callers changed.
8478 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8480 * reload1.c (maybe_fix_stack_asms): New static function.
8483 * reload.h (compute_use_by_pseudos): Declare.
8485 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8486 (something_needs_reloads): Delete variable.
8487 (finish_spills): New function.
8488 (compute_use_by_pseudos): New function.
8490 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8491 Use the reload_insn_chain instead of walking the rtl directly.
8493 (reload): Allocate and free spilled_pseudos.
8494 Ensure that all calls of spill_hard_reg are followed by a call to
8496 Use the insns_need_reload list instead of something_needs_reloads
8497 to find out if reload_as_needed must be called.
8498 Clear unused_insn_chains at the end.
8500 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8502 Delete code to keep track of current basic block.
8503 Walk reload_insn_chain instead of the rtl structure. Build the
8504 insns_need_reload chain.
8505 Remember which insns need reloading/elimination by setting the
8506 appropriate fields in struct insn_chain, not by putting modes on the
8509 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8510 arg INSN. All callers changed.
8511 Delete declaration of struct needs.
8512 Don't set something_needs_reloads.
8513 Record insn needs in the CHAIN argument.
8515 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8517 (reload_as_needed): Lose FIRST arg. All callers changed.
8518 Walk the reload_insn_chain instead of the rtx structure.
8519 Delete code to keep track of current basic block.
8520 Rename one of the NEXT variables to OLD_NEXT.
8522 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8524 (choose_reload_regs): Likewise.
8526 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8529 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8530 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8531 (hard_regs_live, hard_regs_need_restore): Delete variables.
8532 (n_regs_saved): Now static.
8533 (referenced_regs, this_insn_sets): New variables.
8535 (setup_save_areas): Restructure the code a bit.
8537 (restore_referenced_regs): Delete function.
8538 (mark_referenced_regs): New function, similar to the old
8539 restore_referenced_regs, but mark registers in referenced_regs.
8541 (clear_reg_live): Delete function.
8542 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8543 Only mark registers in this_insn_sets.
8545 (save_call_clobbered_regs): Rework this function to walk the
8546 reload_insn_chain instead of using the list of instructions directly.
8547 Delete code to keep track of register lives, compute live regs on the
8548 fly from information in the chain.
8549 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8550 then walk the set it computes and call insert_restore as appropriate.
8552 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8554 Restructure the code a bit. Test hard_regs_saved instead of
8555 hard_regs_need_restore.
8556 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8557 args. All callers changed.
8558 Restructure the code a bit. Use TO_SAVE to determine which regs to
8559 save instead of more complicated test.
8560 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8562 Create a new insn_chain structure for the new insn and place it
8565 * rtl.texi: Update documentation to reflect that reload no longer
8566 puts modes on the insns.
8568 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8570 * function.c (purge_addressof_1): Force the first argument of a
8571 CALL insn to memory.
8573 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8575 * rtl.h: Delete duplicate prototypes. Add some missing
8577 * rtlanal.c: (for_each_rtx): Formatting tweak.
8579 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8581 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8582 to be compatible with TI compiler.
8584 * Makefile.in (USER_H): Add va-c4x.h to definition.
8586 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8588 * function.c (purge_addressof_1): Fix typo in inequality: do
8589 bitfield optimization for equal mode sizes.
8590 * expmed.c (store_bit_field): Don't take subregs of subregs in
8591 the movstrict case. Tidy a potential problem in the multi-word case.
8592 (extract_bit_field): Likewise.
8594 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8596 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8598 Compute max_uid_for_flow by calling get_max_uid after the scan.
8599 (find_basic_blocks_1): Don't emit NOPs here.
8601 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8603 * alias.c (base_alias_check): Accept new args for the modes of the
8604 two references. Use them to determine if an AND can overlap. Update
8606 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8607 to determine if an AND can overlap.
8609 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8611 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8612 check. Add comment to document problems with TARGET_SUN_FPA version
8614 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8616 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8618 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8620 * c-common.c (print_char_table): Add missing initializers.
8621 (scan_char_table): Likewise.
8622 (time_char_table): Likewise.
8624 * c-decl.c (c_decode_option): Mark parameter `argc' with
8626 (declare_parm_level): Mark parameter `definition_flag' with
8629 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8630 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8633 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8635 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8637 (expand_call): Cast result of MIN() to (unsigned int) when
8638 comparing against an unsigned value.
8640 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8642 (make_definition): Remove unused parameter `op'. All callers
8644 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8645 comparing against the result of pointer arithmetic.
8647 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8648 when comparing against one.
8650 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8651 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8653 (output_die): Move variable `i' into the scope in which it is
8654 used. Change its type to `unsigned'.
8655 (output_die): Cast the result of `strlen' to (int) when passing it
8656 to ASM_OUTPUT_ASCII().
8657 (output_pubnames): Likewise.
8658 (output_line_info): Likewise.
8660 * emit-rtl.c (global_rtl): Add missing initializers.
8662 * explow.c (promote_mode): Mark parameter `for_call' with
8665 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8666 `unsigned HOST_WIDE_INT' when comparing against one.
8667 (synth_mult): Change type of variable `cost' to int.
8668 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8670 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8671 when comparing against one.
8672 (get_inner_reference): Change variable `alignment' to unsigned.
8673 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8674 int) when comparing against one.
8675 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8677 * fold-const.c (div_and_round_double): Cast BASE to
8678 (HOST_WIDE_INT) when comparing against one.
8680 * gencheck.c: Include gansidecl.h.
8681 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8683 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8684 `tcode' with ATTRIBUTE_UNUSED.
8686 * real.c (edivm): Cast constant value to (unsigned long) in
8687 expression compared against an unsigned value.
8689 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8690 comparing against one.
8691 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8692 when comparing against one.
8694 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8695 (unsigned int) when comparing against one. Likewise for
8697 (smallest_mode_for_size): Likewise.
8698 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8699 (restore_storage_status): Likewise.
8701 * toplev.c (debug_args): Add missing initializer.
8702 (f_options): Spelling correction. Add missing initializers.
8703 (documented_lang_options): Likewise.
8704 (debug_end_source_file): Mark parameter `lineno' with
8707 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8708 `decl' and `type' with ATTRIBUTE_UNUSED.
8710 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8711 when comparing against one.
8712 (assemble_variable): Mark parameter `top_level' with
8714 (assemble_external_libcall): Mark parameter `fun' with
8716 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8719 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8721 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8722 Replace use of r5 with use of r19.
8724 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8726 * config/v850/v850.c (compute_register_save_size): Allow for the
8727 fact that helper functions save all registers, not just those used
8730 Replace constant 31 with macro LINK_POINTER_REGNUM.
8732 * config/v850/v850.md: Use 'indirect_operand' rather than
8733 'memory_operand' for bit test/set/clear patterns.
8735 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8737 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8738 * varasm.c (assemble_start_function et al): Don't call
8739 ASM_GLOBALIZE_LABEL for weak symbols.
8741 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8743 * cse.c (equiv_constant): Check for NULL return from
8744 gen_lowpart_if_possible().
8746 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8748 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8750 * collect2.c (main): Pass -EL/-EB through to the compiler.
8752 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8754 * expr.c (push_block): Handle targets where the stack grows
8755 to higher addresses, but args grow to lower addresses and
8756 ACCUMULATE_OUTGOING_ARGS is not defined.
8758 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8760 * config/v850/v850.c (print_operand): Extend meaning
8761 of 'c' operands to support .vtinherit.
8763 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8765 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8766 Added ATTRIBUTE_UNUSED to unused function arguments.
8767 (rc_reg_operand): New predicate.
8768 (c4x_rptb_insert): New function.
8769 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8770 (c4x_optimization_options): New function.
8772 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8773 (decrement_and_branch_on_count): New pattern.
8774 (rptb_top): Modified pattern to work with BCT optimization.
8776 * config/c4x/c4x.h (RC_REG): New register class.
8777 (rc_reg_operand): Define prototype.
8778 (IS_RC_REG): New macro.
8779 (IS_RC_OR_PSEUDO_REG): New macro.
8780 (IS_RC_OR_PSEUDO_REGNO): New macro.
8781 (OPTIMIZATION_OPTIONS): Define.
8783 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8785 * collect2.c (extract_init_priority): No priority is 65535.
8787 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8789 * Makefile.in (build_tooldir): new variable, same as old
8790 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8791 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8792 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8794 * configure.in (gxx_include_dir): set default based on unlibsubdir
8795 * Makefile.in (tooldir): ditto
8796 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8797 gxx_include_dir, includedir and tooldir
8798 (protoize.o, unprotoize.o): ditto
8800 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8802 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8804 * config/arm/thumb.c (thumb_override_options): Add warning about
8805 PIC code not being supported just yet.
8807 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8809 * flow.c: Update comment.
8810 (notice_stack_pointer_modification): New static function.
8811 (record_volatile_insns): Use it.
8812 (mark_regs_live_at_end): Mark the stack pointer as alive
8813 at the end of the function if current_function_sp_is_unchanging
8815 (life_analysis_1): Set current_function_sp_is_unchanging.
8816 * function.c: Define it.
8817 (init_function_start): Initialize it.
8818 * output.h: Declare it.
8819 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8820 the stack pointer as alive at the end of the function if
8821 current_function_sp_is_unchanging is set.
8822 * i386.c (ix86_epilogue): Optimize the restoring
8823 of the stack pointer.
8825 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8827 * version.c: Bump for snapshot.
8829 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8831 * c-pragma.c (handle_pragma_token): If passed a token instead
8832 of a tree, use that as the pack value.
8834 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8836 * flow.c (find_basic_blocks_1): Fix prototype.
8838 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8840 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8841 (struct tree_decl): New fields no_check_memory_usage.
8842 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8843 (init_attributes): Register it as a new attribute.
8844 (decl_attributes): Set flags on functions given that attribute.
8845 * c-decl.c (duplicate_decls): Merge new attribute.
8846 * expr.h (current_function_check_memory_usage): Declare new var.
8847 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8848 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8849 current_function_check_memory_usage.
8850 * function.h: Add field to struct function.
8851 * function.c (current_function_check_memory_usage): Define it.
8852 (push_function_context_to, pop_function_context_from): Save and
8854 (expand_function_start): Set it, based on global flag and function
8857 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8858 check non-automatic variables, to permit detection of writes to
8859 read-only locations in embedded systems without memory management.
8860 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8861 when emitting chkr_set_right_libfunc call, even if the argument is
8862 BLKmode or variable-sized; don't abort.
8864 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8865 symbols in Pmode, not VOIDmode.
8867 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8869 * cppexp.c: When forcing unsigned comparisons, cast both sides
8872 * cpphash.h: Move static declaration of hashtab[]...
8873 * cpphash.c: ...here.
8875 * cpplib.c: Cast difference of two pointers to size_t before
8876 comparing it to size_t. Cast signed to unsigned
8877 before comparing to size_t. (FIXME: struct argdata should use
8878 unsigned buffer sizes.)
8879 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8880 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8881 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
8882 size_t before comparison.
8884 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
8886 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
8887 (find_basic_blocks_1): Similarly.
8888 * output.h (find_basic_blocks): Fix prototype.
8889 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
8890 find_basic_blocks anymore.
8892 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
8894 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
8895 (sbitmap_free, sbitmap_vector_free): New macros.
8896 * output.h (rtl_dump_file): Declare.
8898 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
8900 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
8902 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8904 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
8906 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
8907 (divide): Remove unused variable `tmp'.
8908 (si_to_float): Cast numeric constant to (SItype) before comparing
8911 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
8913 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
8914 * gcc.c (add_preprocessor_option): Correct typo when allocating
8915 memory, sizeof() argument had one too many `*'.
8916 (add_assembler_option): Likewise.
8917 (add_linker_option): Likewise.
8918 * gcov.c (output_data): Likewise.
8919 * local-alloc.c (memref_used_between_p): Likewise.
8920 (update_equiv_regs): Likewise.
8921 * loop.c (strength_reduce): Likewise.
8922 * reg-stack.c (record_asm_reg_life): Likewise.
8923 (subst_asm_stack_reg): Likewise.
8924 * reorg.c (dbr_schedule): Likewise.
8926 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8928 * flow.c (life_analysis_1): Break out some functions.
8929 (find_basic_blocks_1): Likewise. Also move some variables out and
8931 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
8932 new static var nonlocal_label_list with it.
8933 (active_eh_region, nested_eh_region, label_value_list,
8934 nonlocal_label_list): New static variables.
8935 (make_edges, delete_unreachable_blocks, delete_block): New static
8936 functions, broken out of find_basic_blocks_1.
8937 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
8938 noop_move_p): New static functions, broken out of life_analysis_1.
8940 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
8942 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
8943 Take extra care for op0 now possibly being a subreg.
8944 (extract_bit_field): Likewise.
8945 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
8946 the reg to memory if there is no equal sized integral mode.
8947 * stor-layout.c (int_mode_for_mode): New function.
8948 * machmode.h: Prototype it.
8950 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
8952 * global.c (build_insn_chain): Verify no real insns exist past the
8953 end of the last basic block, then exit the loop.
8955 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
8957 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
8959 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
8961 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
8963 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
8965 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8967 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8969 * flow.c (find_basic_blocks): Correctly determine when a call
8970 is within an exception region.
8972 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8974 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8976 * cpplib.h: Protect from multiple inclusions.
8977 * cpplib.c: Fix minor formatting problems.
8979 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8981 * jump.c (jump_optimize): Revert accidental patch.
8983 * Makefile.in (cpplib.o): Use unlibsubdir.
8985 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8987 * loop.c (get_condition): Allow combine when either compare is
8990 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8992 * version.c: Bump for snapshot.
8994 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
8996 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
8997 (init_lex): Initialize ridpointers[RID_BYREF].
8998 * c-lex.h (enum rid): Add RID_BYREF.
8999 * c-parse.gperf: Add RID_BYREF as a type qualifier.
9000 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
9001 (encode_type_qualifiers): Similarly
9002 * c-gperf.h: Rebuilt.
9004 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
9006 * c-common.c (type_for_mode): Only return TItype nodes when
9007 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9008 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
9009 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9010 (init_decl_processing): Only create TItype nodes when
9011 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9012 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
9013 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9015 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9017 * stmt.c (n_occurrences): New static function.
9018 (expand_asm_operands): Verify that all constrains match in the
9019 number of alternatives.
9020 Verify that '+' or '=' are at the beginning of an output constraint.
9021 Don't allow '&' for input operands.
9022 Verify that '%' isn't written for the last operand.
9023 * reload.c (find_reloads): Abort if an asm is found with invalid
9024 constraints; all possible problems ought to be checked for earlier.
9026 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9028 * flags.h (flag_branch_on_count_reg): Always declare
9029 * toplev.c (flag_branch_on_count_reg): Likewise.
9030 * toplev.c: Fix typos.
9032 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
9035 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
9037 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9039 (find_basic_blocks_1): Add a nop to the end of a basic block when
9040 a trailing call insn does not have abnormal control flow.
9041 * gcse.c (pre_transpout): New variable.
9042 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9043 (compute_pre_transpout): Calculate it.
9044 (compute_pre_ppinout): Use it to eliminate impossible placements
9045 due to abnormal control flow through calls.
9046 (compute_pre_data): Call compute_pre_transpout.
9048 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9050 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9052 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9054 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9055 and matching define_insns): Tack on a `use' of the table label, so
9056 flow analysis will recognize a tablejump.
9058 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9060 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9061 always end basic blocks for abnormal edge reasons.
9063 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9065 * config/i386/i386.h: Remove definition of
9066 HANDLE_PRAGMA_PACK_PUSH_POP.
9068 * config/i386/go32.h: Add definition of
9069 HANDLE_PRAGMA_PACK_PUSH_POP.
9071 * config/i386/win32.h: Add definition of
9072 HANDLE_PRAGMA_PACK_PUSH_POP.
9074 * config/i386/cygwin32.h: Add definition of
9075 HANDLE_PRAGMA_PACK_PUSH_POP.
9077 * c-pragma.c (insert_pack_attributes): Do not insert
9078 attributes unless #pragma pack(push,<n>) is in effect.
9080 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9082 * expr.c (emit_group_store): Handle a PARALLEL destination.
9084 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9086 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9087 the new insns before the argument regs are loaded.
9089 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9091 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9092 (c-parse.gperf): Update comments describing invocation flags.
9093 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9095 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9097 * reload1.c (reload): Call free before clobbering the memory
9098 locations or constants pointers.
9100 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9102 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9103 for efficiency by checking whether we need to modify the current
9104 stack permission at all.
9105 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9106 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9107 __enable_execute_stack libcall here too if
9108 TRANSFER_FROM_TRAMPOLINE is defined.
9109 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9112 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9114 * Makefile.in (DRIVER_DEFINES): Remove last change.
9116 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9118 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9119 insns we're going to copy.
9120 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9122 * loop.c (count_one_set): Add prototype.
9124 * caller-save.c (restore_referenced_regs): Lose mode argument.
9125 (insert_save): Lose mode argument.
9126 (insert_restore): Lose mode argument.
9127 (insert_one_insn): Lose mode argument.
9128 (save_call_clobbered_regs): Lose mode argument.
9129 (setup_save_areas): Take no argument and return void. All callers
9131 Don't verify validity of memory addresses.
9132 * reload.h (setup_save_ares): Adjust prototype.
9133 (save_call_clobbered_regs): Likewise.
9134 * reload1.c (delete_caller_save_insns): New function.
9135 (caller_save_spill_class): Delete variable.
9136 (caller_save_group_size): Delete variable.
9137 (reload): Call setup_save_areas and save_call_clobbered_regs
9138 in the main loop, before calling calculate_needs_all_insns.
9139 Don't call save_call_clobbered_regs after the loop.
9140 Call delete_caller_save_insns at the end of an iteration if
9142 Delete code to manage caller_save_spill_class.
9143 Emit the final note before setting reload_first_uid.
9144 Simplify test that determines whether reload_as_needed gets run.
9145 (calculate_needs): Delete code to manage caller_save_spill_class.
9147 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9149 * collect2.c (main): Initialize ld_file_name.
9151 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9153 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9154 check for flag_function_sections.
9156 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9158 * cse.c (insert_regs): Fix bug in Sep 24 change.
9160 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9162 * flags.h (flag_dump_unnumbered): Declare.
9163 * toplev.c (flag_dump_unnumbered): Don't declare.
9164 * print-rtl.c (flags.h): Include.
9165 (print_rtl_single): Add return value.
9166 * rtl.h (print_rtl_single): Update declaration.
9167 * flow.c (flag_dump_unnumbered): Don't declare.
9168 (print_rtl_with_bb): Use return value of print_rtl_single.
9170 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9172 * loop.c (count_one_set): New static function, broken out of
9174 (count_loop_regs_set): Call it.
9175 * global.c (mark_reg_store): Handle clobbers here by not calling
9177 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9178 is in fact a clobber.
9179 * integrate.c (process_reg_param): New function, broken out of
9180 expand_inline_function.
9181 (expand_inline_function): Call it.
9184 * i386.md (addsidi3_1): Delete unused variable temp.
9185 (addsidi3_2): Likewise.
9186 (clstrstrsi): Delete unused variable addr1.
9188 * rtl.h: Don't declare any functions also declared in recog.h.
9190 * Makefile.in (stupid.o): Update dependencies.
9191 (global.o): Likewise.
9193 * global.c: Include reload.h
9194 (reg_becomes_live): New function.
9195 (reg_dies): New function.
9196 (build_insn_chain): New function.
9197 (global_alloc): Call build_insn_chain before calling reload.
9199 * reload.h (struct needs): New structure definition.
9200 (struct insn_chain): Likewise.
9201 (reload_insn_chain): Declare variable.
9202 (new_insn_chain): Declare function.
9205 * reload1.c (reload_startobj): New variable.
9206 (reload_insn_chain): New variable.
9207 (unused_insn_chains): New variable.
9208 (new_insn_chain): New function.
9209 (init_reload): Initialize reload_startobj, not reload_firstobj.
9210 (reload): Initialize reload_firstobj.
9211 Before returning, free everything on the reload_obstack.
9213 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9214 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9215 current_chain): New variables.
9216 (reg_where_born): Delete variable.
9217 (REG_WHERE_BORN): New macro.
9218 (find_clobbered_regs): New function.
9219 (stupid_life_analysis): Don't allocate/free reg_where_born.
9220 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9221 reg_where_dead_chain.
9222 Use REG_WHERE_BORN instead of reg_where_born.
9223 While processing the insns, build the reload_insn_chain with
9224 information about register lifetimes.
9225 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9226 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9228 Compute and information about birth and death of pseudo registers in
9229 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9230 Delete code to set elements of reg_where_born.
9232 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9234 * tree.def (GOTO_EXPR): Modified documentation.
9235 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9238 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9240 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9241 loop_final_value, loop_comparison_code): No longer static.
9242 (unroll_loop): Delete loop_start_value update.
9243 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9244 loop_final_value, loop_comparison_code): Extern.
9245 (loop_start_value): Delete extern.
9246 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9247 loop_comparison_value, loop_comparison_code): Delete.
9248 (loop_optimize): Remove initialization for deleted variables.
9249 (strength_reduce): Delete analyze_loop_iterations call. Only call
9250 insert_bct if flag_branch_count_on_reg set.
9251 (analyze_loop_iterations): Delete.
9252 (insert_bct): Remove iteration count calculation. Move checks for
9253 viable BCT optimization to here. Obtain iteration count from
9254 loop_iterations and correct for unrolling. Check for enough
9255 iteration to be beneficial. Comment out runtime iteration count
9257 (insert_bct): Print iteration count in dump file. Remove
9258 loop_var_mode and use word_mode directly.
9260 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9261 * rs6000.c (rs6000_override_options): Use it.
9262 (optimization_options): Enable use of flag_branch_on_count_reg.
9263 * rs6000.md (define_function_unit): Describe 604e.
9265 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9267 * loop.c (move_movables): Corrected threshold calculation for
9268 moved_once registers.
9270 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9272 * loop.c (combine_givs_p): Fix test for identical givs.
9274 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9276 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9277 call abort if the function is already defined.
9279 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9281 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9282 truncation is not a no-op.
9284 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9286 * version.c: Bump for snapshot.
9288 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9290 * version.c: Bump for snapshot.
9292 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9294 * expmed.c (expand_divmod): Don't widen for computing remainder
9295 if we seem to have a divmod pattern for needed mode.
9297 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9299 * cpplib.c (macroexpand): Correct off-by-one error in handling
9302 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9304 * combine.c (expand_field_assignment): Don't do bitwise operations
9305 on MODE_FLOAT; pun to MODE_INT if possible.
9307 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9308 scott snyder <snyder@d0sgif.fnal.gov>
9310 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9311 linker. Recognize mangled names in quotes.
9313 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9315 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9316 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9317 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9318 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9320 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9322 * function.c (purge_addressof_1): If trying to take a sub-word
9323 integral piece of a floating point mode, put it on the stack.
9325 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9327 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9329 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9331 * PROJECTS: Remove template friends.
9333 * collect2.c (sort_ids): Remove unused variable.
9335 * tm.texi (MATH_LIBRARY): Document.
9336 (NEED_MATH_LIBRARY): Remove.
9338 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9339 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9341 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9343 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9344 last_end to 0x7fffffff.
9346 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9348 * function.c (purge_addressof_1): Do not perform endianness
9349 corrections on bitpos, who we call will do it for us.
9351 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9353 * h8300.c (WORD_REG_USED): Fix typo.
9354 (initial_offset): Use WORD_REG_USED.
9356 * h8300.c (handle_pragma): Fix typo.
9358 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9360 * caller-save.c (insert_save_restore): Break this function up
9361 into new functions insert_restore, insert_save and insert_one_insn.
9362 All callers changed.
9363 (insert_restore): New function, mostly broken out of
9364 insert_save_restore.
9365 (insert_save): Likewise.
9366 (insert_one_insn): Likewise.
9367 (restore_referenced_regs): New argument BLOCK. All callers changed.
9368 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9369 in this function, do it in insert_one_insn instead.
9371 * reload1.c (reload): Break out some more pieces into separate
9373 (dump_needs): New function, broken out of reload.
9374 (set_initial_elim_offsets): Likewise.
9375 (init_elim_table): Likewise.
9376 (update_eliminables): Likewise.
9378 * global.c (global_alloc): Delete code to manage the scratch_list.
9379 * local-alloc.c (qty_scratch_rtx): Delete.
9380 (scratch_block): Delete.
9381 (scratch_list): Delete.
9382 (scratch_list_length): Delete.
9383 (scratch_index): Delete.
9384 (alloc_qty_for_scratch): Delete.
9385 (local-alloc): Update initialization of max_qty.
9386 Delete code to manage the scratch list.
9387 Delete code to allocate/initialize qty_scratch_rtx.
9388 (block_alloc): Don't allocate quantities for scratches.
9389 Delete code to manage the scratch list.
9390 * regs.h (scratch_list): Delete declaration.
9391 (scratch_block): Delete declaration.
9392 (scratch_list_length): Delete declaration.
9393 * reload1.c (reload): Delete code to manage the scratch list.
9394 (spill_hard_reg): Likewise.
9395 (mark_scratch_live): Delete.
9397 * recog.c (alter_subreg): Delete declaration.
9399 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9401 * Makefile.in (cccp.o): Fix typo in last patch.
9403 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9405 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9406 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9408 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9410 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9411 NULL_RTX as an argument.
9413 * Makefile.in (unlibsubdir): Define.
9414 (DRIVER_DEFINES): Use unlibsubdir.
9415 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9416 (stmp-fixinc): Similarly.
9418 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9420 * regmove.c (regmove_optimize): Add variable old_max_uid.
9421 At the end of the function, update basic_block_end.
9423 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9425 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9426 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9429 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9431 * config/arm/arm.c: Improve interworking support.
9433 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9435 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9436 copied from reload_out[r] .
9438 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9440 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9441 with more than three size ranges.
9443 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9445 * rtl.c (mode_name): Add a null string at the end of the array.
9446 (mode_wider_mode): Change type to unsigned char.
9447 (mode_mask_array): New variable.
9448 (init_rtl): Update for mode_wider_mode type change.
9450 * rtl.h (mode_wider_mode): Change type to unsigned char.
9451 (mode_mask_array): Declare.
9452 (GET_MODE_MASK): Use mode_mask_array.
9454 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9456 * calls.c (expand_call) : Encapsulate code into
9457 copy_blkmode_from_reg.
9458 * expr.c (copy_blkmode_from_reg): New function.
9459 * expr.h (copy_blkmode_from_reg): New function.
9460 * integrate.c (function_cannot_inline_p): We can inline
9462 (expand_inline_function): Use copy_blkmode_from_reg
9463 if needed. Avoid creating BLKmode REGs.
9464 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9467 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9469 * config/v850/v850.c: Add function prototypes.
9470 Add support for v850 special data areas.
9472 * config/v850/v850.h: Add support for v850 special data areas.
9474 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9475 HANDLE_PRAGMA_PACK_PUSH_POP.
9476 (push_alignment): New function: Cache an alignment requested
9477 by a #pragma pack(push,<n>).
9478 (pop_alignment): New function: Pop an alignment from the
9480 (insert_pack_attributes): New function: Generate __packed__
9481 and __aligned__ attributes for new decls whilst a #pragma pack
9483 (add_weak): New function: Cache a #pragma weak directive.
9484 (handle_pragma_token): Document calling conventions. Add
9485 support for #pragma pack(push,<n>) and #pragma pack (pop).
9487 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9488 are defined enable HANDLE_PRAGMA_PACK.
9489 Move 'struct weak_syms' here (from varasm.c).
9490 Add pragma states for push and pop pragmas.
9492 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9495 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9496 HANDLE_GENERIC_PRAGMAS.
9498 * varasm.c: Move definition of 'struct weak_syms' into
9500 (handle_pragma_weak): Deleted.
9502 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9504 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9506 * c-decl.c (start_function): Add invocation of
9507 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9509 * tm.texi: Remove description of non-existant macro
9510 SET_DEFAULT_SECTION_NAME.
9512 (HANDLE_SYSV_PRAGMA): Document.
9513 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9515 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9517 * config.sub: Recognize i[34567]86-pc-udk as new target.
9518 * configure.in: Likewise.
9519 * config/i386/t-udk: New file.
9520 * config/i386/udk.h: New file.
9522 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9524 * reorg.c (check_annul_list_true_false): Remove unused variables.
9525 (steal_delay_list_from_target): Add missing "used_annul" variable.
9526 (try_merge_delay_insns): Close out half formed comment.
9528 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9530 * cpplib.c (macroexpand): If arg->raw_before or
9531 arg->raw_after, remove any no-reexpansion escape at the
9532 beginning of the pasted token. Correct handling of whitespace
9533 markers and no-reexpand markers at the end if arg->raw_after.
9535 * toplev.c (documented_lang_options): Recognize -include,
9536 -imacros, -iwithprefix, -iwithprefixbefore.
9537 * cpplib.c (cpp_start_read): Process -imacros and -include
9538 switches at the same time and in command-line order, after
9539 initializing the dependency-output code. Emit properly nested
9540 #line directives for them. Emit a #line for the main file
9541 before processing these switches, and don't do it again
9544 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9546 * function.c (purge_addressof_1): Use bitfield manipulation
9547 routines to handle mem mode < reg mode.
9549 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9551 * reorg.c (try_merge_delay_insns): Account for resources referenced
9552 in each instruction in INSN's delay list before trying to eliminate
9553 useless instructions. Similarly when looking at a trial insn's delay
9556 * reorg.c (check_annul_list_true_false): New function.
9557 (steal_delay_list_from_{target,fallthrough}): Call it and also
9558 refine tests for when we may annul if already filled a slot.
9559 (fill_slots_from_thread): Likewise.
9560 (delete_from_delay_slot): Return newly-created thread.
9561 (try_merge_delay_isns): Use its new return value.
9563 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9565 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9566 used to compute a giv or as some other non-counting use.
9568 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9570 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9571 * local-alloc.c (find_free_reg): Use it.
9572 * global.c (find_reg): Likewise.
9573 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9575 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9576 * caller-save.c (init_caller_save): Use it.
9577 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9579 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9581 * configure.in: Add --enable-cpplib option which uses cpplib
9582 for cpp, but doesn't link cpplib into cc1. Make help text
9583 capitalization consistent.
9584 * configure: Rebuilt.
9586 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9588 * function.c (gen_mem_addressof): If the address REG is
9589 REG_USERVAR_P make the new REG be so also.
9590 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9591 in an attempt to clarify slightly.
9593 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9595 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9596 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9598 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9600 * toplev.c: Fix last patch.
9602 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9604 * loop.c (get_condition): Fix typo in May 9 change.
9606 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9608 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9610 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9612 * toplev.c (documented_lang_options): Spelling corrections.
9614 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9616 * configure.in: new flags --with-ld and --with-as, equivalent
9617 to setting LD and AS environment variables. Test whether
9618 specified arguments are GNU commands, and report them with
9619 checking messages. Use the specified AS for configure
9622 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9624 * gcc.c (find_a_file): when looking for `as' and `ld', return
9625 the DEFAULT program if it exists
9626 * collect2.c (main): use DEFAULT_LINKER if it exists
9628 * gcc.c (find_a_file): the test for existence of a full
9629 pathname was reversed
9631 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9633 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9634 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9636 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9638 * tree.h (TYPE_BINFO): Document.
9640 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9642 * i386-coff.h (dbxcoff.h): Added.
9644 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9646 * toplev.c: fix bad patch around flag_data_sections.
9648 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9650 * reload1.c (reload): Use reload_address_index_reg_class and
9651 reload_address_base_reg_class when setting
9652 caller_save_spill_class. (Patch generated by Jim Wilson:
9655 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9657 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9658 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9659 * expr.c (store_field): Add alias_set parameter. Set the
9660 MEM_ALIAS_SET accordingly, if the target is a MEM.
9661 (expand_assignment): Use it.
9662 (store_constructor_field): Pass 0.
9663 (expand_expr): Likewise.
9665 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9667 * flags.h: Add flag_data_sections.
9668 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9669 (compile_file): Error if flag_data_sections not supported.
9670 * varasm.c (assemble_variable): Handle flag_data_sections.
9671 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9672 * config/mips/elf.h: Likewise.
9673 * config/mips/elf64.h: Likewise.
9674 * invoke.texi: Describe -fdata-sections.
9676 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9678 * invoke.texi (-ffloat-store): Clarify that this option
9679 does not affect intermediate results -- only variables.
9681 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9683 * cpp.texi: Update for Fortran usage from Craig.
9685 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
9687 * rs6000.c (function_arg_boundary): Revert accidental change on
9690 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9692 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9693 (output_mi_thunk): Declare.
9695 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9696 (output_function_profiler): Use r12 for temp, instead of r11 so
9697 that we preserve the static chain register.
9699 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9701 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9703 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9705 * sh.c (gen_shl_sext): Fix case 5.
9707 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9709 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9711 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9713 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9714 accessing variables until they are initialized via va_arg().
9716 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9718 * reload1.c (reload_combine): Initialize set before using.
9720 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9722 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9725 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9727 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9728 operand3 with mask before using it. Patch provided by Jim Wilson.
9730 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9732 * config/sparc/sparc.c (function_value): Perform the equivalent of
9733 PROMOTE_MODE for ARCH64.
9734 (eligible_for_epilogue_delay): Allow DImode operations in delay
9735 slot of a return for ARCH64.
9737 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9739 * sh.md (sqrtsf2): Fix mode of sqrt.
9741 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9743 * reload1.c (choose_reload_regs): Also try inheritance when
9744 reload_in is a stack slot of a pseudo, even if we already got a
9747 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9749 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9750 (reload_cse_regs): New function body: call reload_cse_regs_1,
9751 reload_combine, reload_cse_move2add.
9752 When doing expensive_optimizations, call reload_cse_regs_1 a
9753 second time after reload_cse_move2add.
9754 (reload_combine, reload_combine_note_store): New functions.
9755 (reload_combine_note_use): New function.
9756 (reload_cse_move2add, move2add_note_store): New functions.
9758 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9760 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9761 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9763 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9764 more than 3 such reloads.
9766 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9767 RELOAD_FOR_X_ADDR_ADDR reload.
9769 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9771 * expr.c (store_constructor): When initializing a field that is smaller
9772 than a word, at the start of a word, try to widen it to a full word.
9774 * cse.c (cse_insn): When we are about to change a register,
9775 remove any invalid references to it.
9777 (remove_invalid_subreg_refs): New function.
9778 (mention_regs): Special treatment for SUBREGs.
9779 (insert_regs): Don't strip SUBREG for call to mention_regs.
9780 Check if reg_tick needs to be bumped up before that call.
9781 (lookup_as_function): Try to match known word_mode constants when
9782 looking for a norrower constant.
9783 (canon_hash): Special treatment for SUBREGs.
9785 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9787 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9788 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9789 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9790 and offsets in actual stack trampoline code so they match the
9791 commentary and actually work.
9793 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9795 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9797 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9798 tmake_file. Set extra_parts to needed crt objects.
9799 * configure: Rebuilt.
9800 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9801 (TARGET_DEFAULT): Set if default is v9 or ultra.
9802 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9803 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9804 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9805 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9806 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9807 (TARGET_VERSION): Define.
9808 (MULTILIB_DEFAULT): Define.
9809 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9810 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9811 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9813 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9814 * config/sparc/sparc.c (sparc_override_options): If arch and
9815 pointer size disagree, emit diagnostic and fix it up. If
9816 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9817 V8PLUS in 64-bit mode.
9818 * config/sparc/t-linux64: New file.
9819 * config/sparc/t-sol2-64: New file.
9820 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9821 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9822 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9823 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9824 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9825 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9827 (STARTFILE_SPEC): Set approriately based upon those.
9828 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9829 disposition of DEFAULT_ARCH32_P.
9830 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9831 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9832 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9833 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9834 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9836 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9838 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9840 * rtl.h (init_virtual_regs): New function.
9841 * emit-rtl.c (init_virtual_regs): Define.
9842 (insn_emit): Use it.
9843 * integrate.c (save_for_inline_copying): Likewise.
9845 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9847 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9848 (enum reg_class): Add NONARG_LO_REGS support.
9849 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9850 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9851 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9852 completes. Re-enable HImode REG+OFFSET addresses.
9853 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9855 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9857 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9859 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9860 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9861 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9863 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9865 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9866 jumps as a single entity, taking into account the size of the
9869 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9871 * tree.def (SWITCH_EXPR): New tree node definition.
9873 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9875 * version.c: Bump for snapshot.
9877 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9879 * version.c: Bump for snapshot.
9881 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
9883 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
9886 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
9888 * Revert this patch.
9889 * reload.c (find_reloads): Do not replace a pseudo with
9890 (MEM (reg_equiv_addr)) in the initializing insn for the
9893 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
9895 * final.c (final_scan_insn): Disable tracking CC across branches.
9897 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9899 * expr.h (eh_rtime_match_libfunc): New extern declaration.
9900 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
9901 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
9902 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
9903 NULL. Only include <stdio.h> if inhibit_libc is not defined.
9905 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
9907 * toplev.c (rest_of_compilation): Skip compiling anything with
9908 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
9910 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
9912 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
9913 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
9914 use in_libcall_block.
9915 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
9916 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
9919 Mon Sep 21 14:02:23 1998
9921 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
9922 typo in no-fancy-math-387 description.
9924 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
9926 * version.c: Bump for snapshot.
9928 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
9930 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
9932 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
9934 * i386.h: (TARGET_SWITCHES) Add description fields for flags
9935 documented in install.texi.
9936 (TARGET_OPTIONS) Likewise.
9938 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
9940 * version.c: Bump for snapshot.
9942 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
9944 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
9945 * cccp.c (main): Likewise.
9947 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
9948 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
9951 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
9953 * Makefile.in (LIBS): Link in libiberty.a.
9954 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
9956 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
9958 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
9959 it to update bb boundaries. Update caller.
9960 * function.c (reposition_prologue_and_epilogue_notes): Update
9961 bb boundaries wrt the moved note.
9963 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
9965 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9967 * configure: Regenerate.
9969 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9971 * alpha.c (alpha_sr_alias_set): New variable.
9972 (override_options): Set it.
9973 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9974 (mode_mask_operand): Fix signed-unsigned comparision warning.
9975 (alpha_expand_block_move): Likewise.
9976 (print_operand): Likewise.
9977 (get_aligned_mem): Use change_address.
9978 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9979 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9980 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9981 (alpha_align_insns): Remade from old alphaev5_align_insns
9982 to handle multiple processors.
9983 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9984 * output.h (label_to_alignment): Prototype.
9986 * tree.c (new_alias_set): New function.
9987 * tree.h (new_alias_set): Declare it.
9988 * c-common.c (c_get_alias_set): Use it.
9990 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9992 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9993 to an ABS expr, convert an unsigned input to signed.
9995 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
9997 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
9999 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10001 * configure.in: Add support for c4x targets.
10002 * configure: Rebuilt.
10004 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
10006 * combine.c (distribute_notes): If an insn is a cc0 user, only
10007 delete it if we can also delete the cc0 setter.
10009 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
10011 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
10012 (invert_truthvalue): Enable truthvalue inversion for
10013 floating-point operands if -ffast-math.
10015 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
10017 * configure.in: Disable collect2 for nextstep. Instead use
10019 * configure: Rebuilt.
10020 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
10021 (ENDFILE_SPEC): Define.
10022 (OBJECT_FORMAT_MACHO): Define.
10023 (EH_FRAME_SECTION_ASM_OP): Define.
10024 * crtstuff.c: Handle MACHO.
10026 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
10028 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
10030 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
10032 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
10033 (_fpadd_parts): Get sign right for 0.
10035 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10037 * ginclude/varargs.h: Add support for C4x target.
10038 * ginclude/stdargs.h: Likewise.
10040 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10042 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10043 (alpha_emit_set_long_const): Rewrite to be callable from reload
10045 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10046 * alpha.md (movdi): Likewise.
10048 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10050 * arm.c (add_constant): New parameter address_only, change caller.
10051 Set it non-zero if taking the address of an item in the pool.
10052 (arm_reorg): Handle cases where we need the address of an item in
10055 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10057 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10058 memory addresses that are not in standard canonical form.
10060 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10062 * README.C4X: New file with information about the c4x ports.
10063 * ginclude/va-c4x.h: New file for c4x varargs support.
10064 * config/c4x: New directory with c4x port files.
10066 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10068 * reload.c (find_reloads): Do not replace a pseudo with
10069 (MEM (reg_equiv_addr)) in the initializing insn for the
10072 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10074 * toplev.c (rest_of_compilation): Set bct_p on second call to
10076 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10078 (strength_reduce): Only call analyze_loop_iterations and
10079 insert_bct if bct_p set.
10080 (check_dbra_loop): Fix typo.
10081 (insert_bct): Use word_mode instead of SImode.
10082 (instrument_loop_bct): Likewise. Do not delete iteration count
10083 condition code generation insn. Initialize iteration count before
10085 * rtl.h (loop_optimize): Update prototype.
10087 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10088 not doubleword aligned.
10090 * rs6000.c (optimization_options): New function.
10091 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10092 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10093 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10094 first; cr1 can be used for FP record condition insns.
10096 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10098 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10101 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10104 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10106 (block_move_call): New function: Call a library routine to copy a
10108 (m32r_expand_block_move): New function: Expand a "movstrsi"
10109 pattern into a sequence of insns.
10110 (m32r_output_block_move): New function: Expand a
10111 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10112 (m32r_block_immediate_operand): New function: Return true if the
10113 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10115 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10117 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10118 re-align some code.
10119 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10121 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10123 * regmove.c (copy_src_to_dest): Check that modes match.
10125 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10127 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10129 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10131 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10132 narrower than FLOAT_REGS.
10134 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10136 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10138 * Makefile.in (old_gxx_include_dir): removed
10140 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10142 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10145 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10146 (sh_handle_pragma): Change function arguments to match new
10147 specification for HANDLE_PRAGMA.
10149 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10151 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10153 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10154 When generating output, initialize missing struct member to zero.
10156 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10158 * regmove.c (copy_src_to_dest): Don't copy if that requires
10159 (a) new register(s).
10161 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10163 * global.c (reg_allocno): Now static.
10164 * reload1.c (reg_allocno): Delete declaration.
10165 (order_regs_for_reload): Take no arguments. Don't treat regs
10166 allocated by global differently than those allocated by local-alloc.
10168 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10170 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10171 condition, fix format strings.
10172 (output_function_epilogue): Likewise.
10174 * m68k/m68k.c: Don't include <stdlib.h> directly.
10176 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10178 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10179 mem_first_set, mem_last_set; because 0 can be a CUID.
10180 (oprs_unchanged_p): Use new definition.
10181 (record_last_reg_set_info): Likewise.
10182 (record_last_mem_set_info): Likewise.
10183 (compute_hash_table): Likewise.
10185 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10187 * rs6000.c (output_epilogue): Handle Chill.
10189 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10190 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10192 * combine.c (make_extraction): If no mode is specified for
10193 an operand of insv, extv, or extzv, default it to word_mode.
10194 (simplify_comparison): Similarly.
10195 * expmed.c (store_bit_field): Similarly.
10196 (extract_bit_field): Similarly.
10197 * function.c (fixup_var_regs_1): Similarly.
10198 * recog.c (validate_replace_rtx_1): Similarly.
10199 * mips.md (extv, extzv, insv expanders): Default modes for most
10200 operands. Handle TARGET_64BIT.
10201 (movdi_uld, movdi_usd): New patterns.
10203 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10204 equivalent memory location unless we have been provided a scratch
10205 register. Similarly do not call find_replacement unless a
10206 scratch register has been provided.
10208 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10210 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10213 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10215 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10216 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10217 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10218 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10219 * c-decl.c (init_decl_processing): Update accordingly.
10220 * expr.c (expand_builtin): Likewise.
10222 * rtl.h (global_rtl): Add cfa entry.
10223 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10224 (LAST_VIRTUAL_REGISTER): Update.
10225 * emit-rtl.c (global_rtl): Add cfa entry.
10226 (init_emit): Initialize it.
10227 * function.c (cfa_offset): New.
10228 (instantiate_virtual_regs): Initialize it.
10229 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10230 (expand_function_end): Call expand_eh_return.
10231 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10233 * except.c (current_function_eh_stub_label): Kill.
10234 (current_function_eh_old_stub_label): Likwise; update all references.
10235 (expand_builtin_set_return_addr_reg): Kill.
10236 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10237 (expand_builtin_set_eh_regs): Kill.
10238 (eh_regs): Produce a third reg for the actual handler address.
10239 (eh_return_context, eh_return_stack_adjust): New.
10240 (eh_return_handler, eh_return_stub_label): New.
10241 (init_eh_for_function): Initialize them.
10242 (expand_builtin_eh_return, expand_eh_return): New.
10243 * except.h: Update prototypes.
10244 * flow.c (find_basic_blocks_1): Update references to the stub label.
10245 * function.h (struct function): Kill stub label elements.
10247 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10248 register number is one that would be in the previous window.
10249 Provide a dummy definition for non-windowed targets.
10250 (get_reg_addr): New function.
10251 (get_reg, put_reg, copy_reg): Use it.
10252 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10253 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10255 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10256 (alpha_init_expanders): Initialize it.
10257 (alpha_expand_epilogue): Use it.
10258 * alpha.h: Declare it.
10259 * alpha.md (eh_epilogue): New.
10261 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10262 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10264 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10266 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10269 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10271 * except.h (struct eh_entry): Add false_label field.
10272 (end_catch_handler): Add prototype.
10273 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10274 (start_catch_handler): When using old style exceptions, issue
10275 runtime typematch code before continuing with the handler.
10276 (end_catch_handler): New function, generates label after handler
10277 if needed by older style exceptions.
10278 (expand_start_all_catch): No need to check for new style exceptions.
10279 (output_exception_table_entry): Only output the first handler label
10280 for old style exceptions.
10281 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10282 mechanism into one function, if a runtime matcher is provided.
10284 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10286 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10288 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10290 * integrate.c (copy_decl_list): Fix typo.
10292 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10294 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10297 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10299 * version.c: Bump for snapshot.
10301 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10303 * version.c: Bump for snapshot.
10305 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10307 * version.c: Bump for snapshot.
10309 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10311 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10313 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10315 * configure.in: remove usage of `!' to negate the result of a
10316 command; some common shells do not support it
10318 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10320 * configure.in: in sparc9-sol2 config, use 'if test' not
10322 * configure: Rebuilt.
10324 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10326 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10327 (CPP_CPU_DEFAULT_SPEC): Likewise.
10328 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10329 for arch64 libfuncs.
10331 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10334 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10336 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10338 * collect2.c: Don't declare `sys_siglist' here.
10339 (my_strsignal): Prototype and define new function. Use it in
10340 place of `sys_siglist' hacks.
10342 * mips_tfile.c: Likewise.
10344 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10345 (GCC_NEED_DECLARATIONS): Likewise.
10347 * system.h (strsignal): Prototype it, if necessary.
10348 (sys_siglist): Declare it, if necessary.
10350 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10352 * loop.c (move_movables): While removing insn sequences, preserve
10353 the next pointer of the most recently deleted insn when we skip
10356 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10358 * objc/config-lang.in: Do not output the name of the selected
10359 thread file when building the front-end. The Makefile for the
10360 runtime library will do this.
10362 * objc/Make-lang.in: Do not build the runtime library or install
10363 the Objective C header files. The Makefile for the runtime
10364 library will do this.
10366 * objc/Makefile.in (all.indirect): Only build the front-end.
10367 (compiler): Rename to `frontend'.
10368 (obj-runtime): Remove target.
10369 (copy-headers): Likewise.
10370 (clean): No need to remove `libobjc.a' any longer.
10372 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10374 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10375 supported with -mcpu=xxx.
10377 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10379 * flow.c (mark_set_1): Recognize multi-register structure return
10380 values in CALL insns.
10381 (mark_used_regs): Likewise.
10382 (count_reg_sets_1): Likewise.
10383 (count_reg_references): Likewise.
10384 * rtlanal.c (note_stores): Likewise.
10385 (reg_overlap_mentioned_p): Likewise.
10386 * haifa-sched.c (check_live_1): Likewise.
10387 (update_live_1): Likewise.
10388 (sched_analyze_1): Likewise.
10389 (sched_note_set): Likewise.
10390 (birthing_insn_p): Likewise.
10391 (attach_deaths): Likewise.
10393 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10396 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10398 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10400 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10402 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10404 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10406 * configure.in: Add check for GAS subsection -1 support.
10407 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10408 * configure config.in: Rebuilt.
10409 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10410 SImode is subsection -1 works, else use DImode.
10411 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10412 subsection -1 works.
10413 * config/sparc/sparc.c (sparc_output_addr_vec,
10414 sparc_output_addr_diff_vec): Use them if defined.
10416 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10418 * tree.h (DECL_ORIGIN): New macro.
10419 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10420 (copy_decl_list): Use it.
10421 (integrate_parm_decls): Likewise.
10422 (integrate_decl_tree): Likewise.
10423 * dwarf2out.c (decl_ultimate_origin): Simplify.
10424 * dwarfout.c (decl_ultimate_origin): Likewise.
10425 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10426 (pushdecl): Likewise.
10428 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10430 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10432 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10434 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10436 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10438 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10439 empty or has a single entry.
10441 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10442 before calling reg_to_stack.
10444 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10446 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10447 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10449 * c-tree.h (warn_long_long): Declare it.
10451 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10453 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10454 initialized float-int union if the value is a NaN.
10456 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10458 * c-lex.c (real_yylex): Don't warn about long long constants if
10459 we're allowing long long
10461 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10463 * except.h (current_function_eh_stub_label): Declare.
10464 (current_function_eh_old_stub_label): Declare.
10465 * function.h (struct function): New members eh_stub_label and
10467 * except.c (current_function_eh_stub_label): New variable.
10468 (current_function_eh_old_stub_label): New variable.
10469 (init_eh_for_function): Clear them.
10470 (save_eh_status): Save them.
10471 (restore_eh_status): Restore them.
10472 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10473 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10474 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10475 make an edge from the block that contains it to the block starting
10476 with the label if this label is one of the eh stub labels.
10477 If eh stub labels exist, show they are reachable from the last block
10480 * reload1.c (reload): Break out several subroutines and make some
10482 (calculate_needs_all_insns): New function, broken out of reload.
10483 (calculate_needs): Likewise.
10484 (find_reload_regs): Likewise.
10485 (find_group): Likewise.
10486 (find_tworeg_group): Likewise.
10487 (something_needs_reloads): New global variable, formerly in reload.
10488 (something_needs_elimination): Likewise.
10489 (caller_save_spill_class): Likewise.
10490 (caller_save_group_size): Likewise.
10491 (max_needs): Likewise.
10492 (group_size): Likewise.
10493 (max_groups): Likewise.
10494 (max_nongroups): Likewise.
10495 (group_mode): Likewise.
10496 (max_needs_insn): Likewise.
10497 (max_groups_insn): Likewise.
10498 (max_nongroups_insn): Likewise.
10499 (failure): Likewise.
10501 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10503 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10505 * loop.c (load_mems): Copy rtx for output mem.
10507 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10509 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10510 mips1 or mips2 either.
10512 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10514 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10516 (pa_adjust_insn_length): Update to work with new marking scheme
10517 for jumps inside switch tables.
10518 * pa.md (switch_jump): Remove pattern.
10519 (jump): Handle jumps inside jump tables.
10521 * Makefile.in (profile.o): Depend on insn-config.h
10523 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10525 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10527 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10529 Add preliminary native sparcv9 Solaris support.
10530 * configure.in: Recognize sparv9-*-solaris2*
10531 * configure: rebuilt
10532 * config.sub: Recognize sparcv9 just like sparc64.
10533 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10534 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10535 32-bit and 64-bit Solaris systems.
10536 * config/sparc/t-sol2: Assemble those with cpp.
10537 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10538 (*TF*_LIBCALL): If ARCH64 use V9 names.
10539 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10541 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10543 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10544 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10546 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10548 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10549 to Pmode if CASE_VECTOR_MODE is something else.
10551 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10553 * prefix.c (update_path): Correctly handle cases where PATH is
10554 a substring of the builtin prefix, but specifies a different
10555 directory location.
10557 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10559 * expr.c: Corrected comment about what MOVE_RATIO does.
10560 * config/alpha/alpha.h: Ditto.
10561 * config/1750a/1750a.h: Ditto.
10562 * config/clipper/clipper.h: Ditto.
10563 * config/i386/i386.h: Ditto.
10565 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10567 * configure.in (m68k-next-nextstep3*): Use collect2.
10568 Similarly for x86 NeXT configurations.
10569 * configure: Rebuilt.
10571 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10573 * configure.in: Don't assume srcdir is .../gcc
10574 * configure: Rebuilt.
10576 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10578 * global.c: Update comments.
10579 (global_alloc): Assign allocation-numbers
10580 even for registers allocated by local_alloc in case
10581 they are later spilled and retry_global_alloc is called.
10582 (mark_reg_store, mark_reg_clobber,
10583 mark_reg_conflicts, mark_reg_death): Always record a
10584 conflict with a pseudo register even if it has been
10585 assigned to a hard register.
10586 (dump_conflicts): Don't list pseudo registers already assigned to
10587 a hard register as needing to be allocated, but do list their
10589 * local-alloc.c: Update comment.
10591 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10593 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10594 * configure: Rebuilt.
10596 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10598 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10600 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10601 for all targets that set -msoft-float.
10603 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * toplev.c (print_switch_values): Make static to match prototype.
10607 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10609 * configure.in: If we are unable to find the "gnatbind" program,
10610 then do not configure the ada subdir.
10611 * configure: Rebuilt.
10613 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10615 * version.c: Bump for snapshot.
10617 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10619 * version.c: Bump for snapshot.
10621 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10623 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10624 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10626 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10628 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10630 * genextract.c: Have insn-extract.c include toplev.h.
10632 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10634 * toplev.c: Include expr.h.
10635 (really_sorry, fancy_abort): Remove prototypes.
10636 (set_target_switch): Add argument in prototype.
10637 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10638 (v_really_sorry): Likewise.
10639 (print_version, print_single_switch, print_switch_values): Make
10640 static and add prototype arguments.
10641 (decl_printable_name): Add prototype arguments.
10642 (lang_expand_expr_t): New typedef.
10643 (lang_expand_expr): Declare as a lang_expand_expr_t.
10644 (incomplete_decl_finalize_hook): Add prototype argument.
10645 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10646 (botch): Likewise for variable `s'.
10647 (rest_of_type_compilation): Mark variables `type' and `toplev'
10648 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10649 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10650 (display_help): Make variable `i' an `unsigned long'.
10651 (main): Remove unused parameter `envp'.
10652 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10653 Cast -1 when comparing it with a `size_t'.
10655 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10656 prototype with ATTRIBUTE_NORETURN.
10657 (fatal_insn_not_found, fatal_insn, really_sorry,
10658 push_float_handler, pop_float_handler): Add prototypes.
10659 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10660 (do_abort, botch): Add prototypes.
10662 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10664 * final.c (final): If a label is reached only from a single jump,
10665 call NOTICE_UPDATE_CC on the jump and its predecessor before
10666 emitting the insn after the label.
10668 * i386.h: Add AMD K6 support.
10669 Change TARGET_* macros to use table lookup.
10670 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10671 (ADJUST_COST): Change definition to call function in i386.c.
10672 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10673 * i386.c: Add AMD K6 support.
10674 Add constants for feature tests used by TARGET_* macros.
10675 (split_di): If before reload, call gen_lowpart and gen_highpart.
10676 (x86_adjust_cost): New function.
10677 (put_jump_code): New function.
10678 (print_operand): New codes 'D' and 'd'.
10679 * i386.md: New insn types. New insn attribute "memory".
10680 Redefine scheduling parameters to use new types and add AMD K6
10681 support. Explicitly set type of most insns.
10682 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10683 Pro and K6 prefer movl $1,reg to incl reg.
10684 (adddi3, subdi3): Set cc_status.
10685 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10686 to int; x86 can't have more than 2^31 DImode shifts per file.
10687 (setcc): Combine all setcc patterns. Allow writing memory.
10688 Combine all jump patterns using match_operator.
10689 (*bzero): Name pattern. Emit mutliple stos instructions when that
10690 is faster than rep stos.
10691 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10694 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10696 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10699 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10701 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10702 not whatever we're generating now.
10704 * alpha.c (set_frame_related_p, FRP): New.
10705 (alpha_expand_prologue): Mark frame related insns.
10706 (alpha_expand_epilogue): Likewise, but with a null FRP.
10707 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10708 * alpha.md (exception_receiver): New.
10709 * alpha/crtbegin.asm (.eh_frame): New beginning.
10710 (__do_frame_setup, __do_frame_takedown): New.
10711 * alpha/crtend.asm (.eh_frame): New ending.
10712 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10713 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10714 (ASM_FILE_START): Don't emit .file for dwarf2.
10716 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10717 * rtl.c (reg_note_name): Likewise.
10718 * rtl.texi (REG_NOTES): Likewise.
10719 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10722 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10724 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10725 * i386.md (movsf, movdf, movxf): Validate memory address returned
10726 from force_const_mem. Kill useless REG_EQUAL setting code.
10728 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10730 * m68k.md (zero_extendsidi2): Fix typo.
10732 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10734 * configure.in: Removed references to the removed file
10735 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10736 * arm*-*-netbsd* and ns32k-*-netbsd*.
10737 * config/i386/xm-netbsd.h: Removed unnecessary file.
10738 * config/m68k/xm-netbsd.h: Likewise.
10739 * config/sparc/xm-netbsd.h: Likewise.
10740 * config/mips/xm-netbsd.h: Likewise.
10742 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10744 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10745 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10747 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10748 for exact section attributions.
10750 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10752 * i386/crtdll.h (CPP_PREDEFINES): Define.
10754 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10756 * m68k.md (5200 movqi): Do not allow byte sized memory references
10757 using address regs.
10758 * m68k.c (output_move_qimode): Do not use byte sized operations on
10761 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10762 explicit rules for building. Similarly for alloca, vfprintf,
10763 choose-temp and mkstemp, getopt, getopt1, and obstack.
10764 (INCLUDES): Add $(srcdir)/../include.
10765 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10766 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10768 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10770 * gcc.c (do_spec_1): [case 'o'] Account for
10771 lang_specific_extra_outfiles.
10772 (main): Correctly clear all slots in outfiles for
10773 lang_specific_extra_outfiles. Set input_file_number before
10774 calling lang_specific_pre_link.
10776 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10778 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10780 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10782 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10784 (sparc_output_deferred_case_vectors): If no work to do, return.
10785 Fix thinko in Sept 1 change.
10787 1998-09-03 SL Baur <steve@altair.xemacs.org>
10789 * Makefile.in: add semicolon in BISON definition for portability.
10791 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10793 * config/nextstep.c (handle_pragma): Correct name of third
10796 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10798 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10799 * config/m32r/m32r.h: Make register 17 be fixed.
10800 * config/m32r/m32r.c: Use SImode for cc operations.
10802 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10804 * invoke.texi (Warning Options): Add -Wnon-template-friend
10807 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10809 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10811 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
10813 * rs6000.md (movsf): Disable explicit secondary-reload-like
10814 functionality if TARGET_POWERPC64.
10815 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10818 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10820 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10821 and term.h from fixinc.wrap.
10823 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10825 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10826 safe to include both string.h and strings.h together.
10827 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10828 which headers to search for function declarations. Continue to
10829 prefer string.h over strings.h when both are not acceptable.
10831 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10833 * configure.in: Call GCC_HEADER_STRING.
10835 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10836 to include. Continue to prefer string.h over strings.h when both
10837 are not acceptable.
10839 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10841 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10842 not assume top 32-bits of symbolic addresses are zero if
10845 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10847 * ginclude/va-alpha.h: Protect entire second portion of the
10848 file against double inclusion.
10850 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10852 Added support for the Boehm's garbage collector.
10853 * configure.in: Handle --enable-objc-gc.
10854 * configure: Rebuilt.
10855 * Makefile.in (CHECK_TARGETS): Add check-objc.
10856 (check-objc): New rule.
10857 * objc/Make-lang.in: Build a different Objective-C library that
10858 runs with the Boehm's collector.
10859 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10860 * objc/encoding.c: Correctly compute the size of compound types in
10861 the presence of bitfields. Skip the variable name of the type if
10862 any. Added support for long long.
10863 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10864 (_F_GCINVISIBLE): New mask.
10865 * objc/gc.c: New file. Compute the type memory mask associated with
10866 a class based on the runtime information.
10867 * objc/misc.c: Added the hooks that use the Boehm's collector
10868 allocation functions.
10869 * objc/objc-act.c (build_class_template): Generate a new class
10870 member (gc_object_type) to hold the class' type memory mask.
10871 (build_shared_structure_initializer): Initialize the new member to
10873 (encode_complete_bitfield): New function. Generate the new
10875 (encode_field_decl): Generate the new encoding only for the GNU
10877 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10879 (class_get_gc_object_type): New function to mark a pointer instance
10880 variable as a weak pointer.
10881 * objc/objc-features.texi: New file.
10882 * objc/objc.h (gc_object_type): New class member.
10883 * objc/objects.c (class_create_instance): Create a typed memory
10884 object when compiled with Boehm's collector support.
10885 * objc/sendmsg.c (__objc_init_install_dtable): Call
10886 __objc_send_initialize instead of setting the initialize flag.
10887 (__objc_send_initialize): Call __objc_generate_gc_type_description
10888 to generate the class type memory mask. Rewrite the code that
10889 sends the +initialize so that it is called only once (bug report
10890 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
10891 * testsuite/objc: New testsuite for Objective-C type encoding.
10892 * testsuite/lib/objc-torture.exp: New file.
10893 * testsuite/lib/objc.exp: New file.
10895 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
10897 * jump.c (jump_optimize): In if/then/else transformations, add
10898 another call to modified_between_p for the jump insn.
10900 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
10902 * fix-header.c (symlink): Treat like readlink.
10904 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10906 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
10909 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
10911 * config/nextstep.h: Update HANDLE_PRAGMA macro.
10912 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
10913 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
10915 * config/nextstep.c (handle_pragma): Take three arguments, as per
10916 the new HANDLE_PRAGMA macro specification.
10917 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
10918 per the new HANDLE_PRAGMA macro specification.
10919 * config/i960/i960.c (process_pragma): Take three arguments, as
10920 per the new HANDLE_PRAGMA macro specification.
10922 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
10924 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
10925 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
10926 if unknown pragmas are encountered.
10927 (handle_sysv_pragma): Interpret return code from
10928 handle_pragma_token (). Return success/failure indication rather
10929 than next unprocessed character.
10930 (pragma_getc): New function: retrieves characters from the
10931 input stream. Defined when HANDLE_PRAGMA is enabled.
10932 (pragma_ungetc): New function: replaces characters back into the
10933 input stream. Defined when HANDLE_PRAGMA is enabled.
10935 * c-pragma.c (handle_pragma_token): Return success/failure status
10938 * c-pragma.h: Change prototype of handle_pragma_token().
10940 * varasm.c: (handle_pragma_weak): Only create this function if
10941 HANDLE_PRAGMA_WEAK is defined.
10943 * c-common,c (decl_attributes): If defined call the expression
10944 contained within the INSERT_ATTRIBUTES macro before adding
10945 attributes to a decl.
10947 * tm.texi (HANDLE_PRAGMA): Document the new verion of
10948 HANDLE_PRAGMA, which takes three arguments.
10949 (INSERT_ATTRIBUTES): Document this new macro.
10951 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
10952 new INSERT_ATTRIBUTES macro.
10954 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10956 * config/sparc/sparc.md (movdf): Only generate special RTL for
10957 LABEL_REFs when PIC.
10958 (move_label_di): Remove
10959 (movdi_pic_label_ref, movdi_high_pic_label_ref,
10960 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
10961 references when PIC.
10962 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
10963 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
10964 output an .xword for all 64-bit cases.
10966 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10968 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10969 alignment, use FUNCTION_BOUNDARY instead.
10970 (sparc_output_deferred_case_vectors): Likewise.
10972 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10974 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10975 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10977 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10979 * alpha/va_list.h: New file.
10980 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10982 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10984 * NEWS: Add SCO Openserver and Unixware 7 notes.
10988 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10990 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10991 (record_constant_1): Handle RANGE_EXPR.
10993 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10995 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
10996 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
10997 and NOTE_INSN_RANGE_END specially.
10998 (reemit_notes): Likewise.
11000 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11002 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
11003 (ultrasparc_sched_init): Remove unneeded &.
11005 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11007 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
11008 for m68020-60, to prevent the use of fintrz.
11010 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
11012 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
11014 * Makefile.in: Likewise.
11015 * configure: Regenerated.
11017 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
11019 * configure.in (gxx_include_dir): Changed to
11020 '${prefix}/include/g++'-${libstdcxx_interface}.
11021 * configure: Rebuilt.
11023 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
11025 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
11027 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
11028 *sequences* *below* which scalar moves will be used.
11030 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
11032 * collect2.c (mktemp): Delete unused declaration.
11034 * config/xm-netbsd.h: Remove unnecessary file.
11035 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
11036 file anymore, it is not needed.
11038 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11040 * convert.c (convert_to_integer): Issue an error on conversions to
11043 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11045 * Makefile.in: Add lang_tree_files and gencheck.h.
11046 * configure.in: Generate them.
11047 * gencheck.c: Include gencheck.h.
11049 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11051 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11052 movdi_lo_sum_pic and movdi_high_pic and make visible.
11053 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11054 emit these when Pmode is not SImode.
11055 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11057 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11059 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11060 .linkonce directive after the first time.
11062 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11064 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11065 the clobbered operand overlaps with an input.
11066 (bne0_di): Similarly.
11068 * Makefile.in (INSTALL): Remove "--no-header" argument.
11070 * NEWS: Various updates.
11072 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11074 * config/sparc/sparc.c (arith_operand, const64_operand,
11075 const64_high_operand, arith_double_4096_operand): Mark mode as
11077 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11079 (sparc_emit_set_const64): Remove unused variable i.
11080 (sparc_splitdi_legitimate): Likewise for addr_part.
11081 (ultra_code_from_mask): Likewise for mask.
11082 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11083 reverse return values so it matches usage and comments.
11084 (ultra_flush_pipeline): Likewise.
11085 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11086 this_type, and allow loads and stores of differing FP modes as
11087 they do not create a conflict.
11088 (ultra_find_type): Initialize fpmode to SFmode, fix
11089 parenthesization thinkos in large conditional.
11090 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11091 Init free_slot_mask after ultra_cur_hist is reset, not before.
11092 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11093 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11094 use ultra_flush_pipeline instead, then re-init group pointer.
11095 Fix statement with no effect. If no progress made in, and no
11096 instructions scheduled at all, advance to new pipeline cycle else
11097 we get into an endless loop.
11098 (ultrasparc_adjust_cost): Remove previous arg.
11099 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11101 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11103 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11104 code. Use reg_overlap_mentioned_p to detect when source and
11105 destination overlap.
11106 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11108 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11110 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11111 COMPARISON_VAL, into invariant_p.
11113 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11115 * regmove.c (regclass_compatible_p): New function.
11116 (regmove_optimize): Use it.
11118 Use NREGS parameter insted of calling max_reg_num.
11120 (fixup_match_1): Don't use code = MINUS when later tieing with
11121 a hard register is likely.
11123 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11125 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11126 COMPARISON_VAL was normalized.
11128 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11130 * loop.c (check_dbra_loop): The loop ending comparison value
11131 must be an invariant or we can not reverse the loop.
11133 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11134 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11136 (load_mems_and_recount_loop_regs_set): Likewise.
11138 * i386.c (print_operand): Remove obsolete 'c' docs.
11140 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11142 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11143 * frame.c (init_object_mutex): New function.
11144 (init_object_mutex_once): Likewise.
11145 (find_fde): Call it.
11146 (__register_frame_info): Likewise.
11147 (__register_frame_info_table): Likewise.
11148 (__deregister_frame_info): Likewise.
11150 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11152 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11154 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11156 * loop.c (check_dbra_loop): Enable code for reversal
11157 of some loops without a known constant loop end.
11159 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11161 * haifa-sched.c (last_clock_var): New.
11162 (schedule_block): Initialize it.
11163 (schedule_insn): Use it to fill insn modes with issue information.
11165 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11166 Tag trapb and next insn with TImode.
11167 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11168 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11169 Invoke alphaev5_align_insns as appropriate.
11170 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11171 (MD_SCHED_VARIABLE_ISSUE): New.
11172 * alpha.md (attr type): Add multi.
11173 (define_asm_attributes): New.
11174 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11175 (arg_home): Likewise.
11176 (fnop, unop, realign): New.
11178 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11180 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11181 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11183 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11184 (rs6000-ibm-aix4.[12]*): Likewise.
11185 * configure: Regnerate.
11187 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11189 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11190 already contains the return address.
11192 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11194 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11195 word sized hunks when loading unaligned args into registers.
11197 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11198 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11200 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11202 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11204 * loop.c (check_dbra_loop): Add some code that would allow reversal
11205 of some loops without a known constant loop end if it were enabled.
11207 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11209 * mips.md (lshrsi3_internal2+2): Fix type-o.
11211 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11213 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11214 correctly with regards to stdio.h.
11216 * calls.c: Remove stdarg.h/varargs.h.
11217 * cccp.c: Likewise.
11218 * cexp.y: Likewise.
11219 * combine.c: Likewise.
11220 * cpperror.c: Likewise.
11221 * cpplib.c: Likewise.
11222 * cpplib.h: Likewise.
11223 * doprint.c: Likewise.
11224 * emit-rtl.c: Likewise.
11225 * final.c: Likewise.
11226 * fix-header.c: Likewise.
11228 * genattr.c: Likewise.
11229 * genattrtab.c: Likewise.
11230 * gencodes.c: Likewise.
11231 * genconfig.c: Likewise.
11232 * genemit.c: Likewise.
11233 * genextract.c: Likewise.
11234 * genflags.c: Likewise.
11235 * genopinit.c: Likewise.
11236 * genoutput.c: Likewise.
11237 * genpeep.c: Likewise.
11238 * genrecog.c: Likewise.
11239 * mips-tfile.c: Likewise.
11240 * prefix.c: Likewise.
11241 * protoize.c: Likewise.
11242 * regmove.c: Likewise.
11243 * toplev.c: Likewise.
11244 * tree.c: Likewise.
11246 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11248 * config/sparc/sparc.c (sparc_override_options): If not
11249 TARGET_FPU, turn off TARGET_VIS.
11250 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11251 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11252 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11253 (movdi_insn_sp64): Add VIS fzero alternative.
11254 (clear_sf, clear_df): New VIS patterns.
11255 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11257 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11259 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11261 * loop.c (n_times_set, n_times_used, may_not_optimize,
11262 reg_single_usage): Convert to varrays. All uses changed.
11263 (insert_loop_mem): Return a value.
11264 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11265 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11268 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11271 * configure.in: Do not set thread_file to "irix" since no such
11272 support exists yet.
11274 * sparc.md (float abs/neg splits): Check reload_completed before
11275 calling alter_subreg.
11277 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11279 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11281 * config/sparc/sparc.h: Declare it.
11282 * config/sparc/sparc.md (float abs/neg splits): Use it.
11283 (all other splits): Handle SUBREGs properly where necessary.
11284 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11286 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11288 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11289 an insn on the unfilled_slots_list that has no delay slots.
11290 (fill_eager_delay_slots): Similarly.
11292 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11294 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11295 as an ordinary operand.
11297 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11299 * tree.c (valid_machine_attribute): Don't apply attributes to both
11302 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11304 * reload.c (operands_match_p): Handle rtvecs.
11306 * i386.c (legitimate_pic_address_disp_p): New.
11307 (legitimate_address_p): Use it.
11308 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11309 Handle constant pool symbols just like statics.
11310 (emit_pic_move): Use Pmode not SImode for clarity.
11311 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11312 [UNSPEC]: New, handling what we killed above.
11313 [PLUS]: Detect and abort on invalid symbol arithmetic.
11314 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11316 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11318 * alias.c: Include output.h.
11319 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11320 different if we're in a varargs function.
11321 * Makefile.in (alias.o): Depend on output.h
11323 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11325 * sh.h (GIV_SORT_CRITERION): Delete.
11327 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11329 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11330 * stupid.c (stupid_life_analysis): Ditto.
11331 * reload1.c (reload): Ditto.
11333 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11335 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11336 arith_double_4096_operand, arith_double_add_operand): New
11338 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11339 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11340 them to transform add/sub 4096 into add/sub -4096.
11342 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11344 * loop.c (scan_loop): Allocate some slop to handle pseudos
11345 generated by move_movables.
11346 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11349 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11351 * tree.def (DECL_RESULT): Correct documentation.
11353 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11355 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11356 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11357 conflicts will all RELOAD_FOR_OUTPUT reloads.
11359 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11360 loads the function result, substitute with a USE.
11362 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11364 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11365 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11366 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11367 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11368 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11369 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11371 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11372 'o' to 'm' for GPR variant constraints.
11374 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11376 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11378 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11380 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11381 when the source and destination overlap.
11383 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11384 clash with global type.
11386 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11388 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11390 * c-common.c (combine_strings): Also set TREE_READONLY.
11391 Change warn_write_strings to flag_const_strings.
11392 * c-decl.c, c-tree.h: Likewise.
11394 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11396 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11397 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11398 sequence, use SET/IOR instead so CSE can see it.
11399 * config/sparc/sparc.md (movhi_const64_special,
11400 movsi_const64_special): New patterns necessitated by that change.
11401 (movhi_high): Remove.
11402 (movhi_lo_sum): Change to match an IOR.
11403 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11404 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11405 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11406 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11407 registers are involved.
11408 (snesi_zero_extend split): Remove reload_completed test.
11409 (unnamed plus and minus zero_extend sidi splits): Add it.
11411 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11413 * extend.texi: Remove description of extension to explicit
11414 instantiation that is now endorsed by standard C++.
11416 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11418 * config/arc/arc.c (arc_initialize_pic): Remove.
11419 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11420 nothing on any platform and is invoked by no-one, it does not even
11421 appear in the documentation.
11422 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11423 * config/sparc/sparc.c (initialize_pic): Likewise.
11424 (find_addr_reg): Remove this as well, no longer referenced after
11427 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11429 * recog.c (validate_replace_rtx_group): New function.
11430 * recog.h (validate_replace_rtx_group): Declare it.
11431 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11432 the entire group of substitutions.
11434 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11436 * loop.c (load_mems): Fix initializers.
11438 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11440 * config/sparc/sparc.md (TFmode splits): Handle destination
11441 registers being referenced in the address correctly.
11443 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11444 TREE_UNSIGNED, when bitsize of type's mode is larger than
11445 HOST_BITS_PER_WIDE_INT.
11447 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11449 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11450 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11451 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11453 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11456 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11458 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11459 * h8300.h (TINY_DATA_NAME_P): Likewise.
11460 (STRIP_NAME_ENCODING): Handle '&'.
11462 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11463 register (it could be accessed via an outer SUBREG).
11464 (REG_OK_FOR_BASE_P): Likewwise.
11465 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11467 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11470 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11472 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11474 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11475 must be offsettable so the splits can be made.
11477 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11479 * config/i386/winnt.c: Include system.h, not stdio.h to get
11480 sys/param.h pulled in before rtl.h in case the system defines MIN
11483 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11485 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11487 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11489 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11491 * cpplib.c (cpp_define): Handle macros with parameters.
11493 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
11495 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11496 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11497 and DImode 64-bit. Use llong for minimal-toc SFmode and
11498 SYMBOL_REF / LABEL_REF 64-bit.
11499 (output_function_profiler): Use llong for profiler label and ld to
11500 load 64-bit label address.
11502 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11504 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11507 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11509 * version.c: Bump for snapshot.
11511 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11513 * version.c: Bump for snapshot.
11515 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11517 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11519 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11521 * tm.texi (Misc): Fix typo "teh".
11523 * tm.texi (PIC): Fix typo "PPIC".
11525 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11526 effect when -O2 and higher.
11527 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11529 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11531 * regclass.c: Changed register set documentation to be consistent
11532 with GCC behaviour.
11534 * final.c (final_start_function) Removed redundant test for
11537 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11539 * rtl.h (rtx_function): New type.
11540 (for_each_rtx): New function.
11541 * rtlanal.c (for_each_rtx): Define it.
11543 * recog.c (change_t): New type.
11544 (change_objects, change_old_codes, change_locs, change_olds):
11546 (changes): New variable.
11547 (validate_change): Dynamically allocate room for more changes, if
11548 necessary. Uses changes array instead of change_objects, etc.
11549 (apply_change_group): Use changes array instead of
11550 change_objects, etc.
11552 * loop.c (loop_mem_info): New type.
11553 (loop_mems): New variable.
11554 (loop_mems_idx): Likewise.
11555 (looop_mems_allocated): Likewise.
11556 (scan_loop): Remove nregs parameter.
11557 (next_insn_in_loop): New function.
11558 (load_mems_and_recount_loop_regs_set): Likewise.
11559 (load_mems): Likewise.
11560 (insert_loop_mem): Likewise.
11561 (replace_loop_mem): Likewise.
11562 (replace_label): Likewise.
11563 (INSN_IN_RANGE_P): New macro.
11564 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11565 (scan_loop): Remove nregs parameter, compute it after any new
11566 registers are created by load_mems. Use INSN_IN_RANGE_P and
11567 next_insn_in_loop rather than expanding them inline. Call
11568 load_mems to load memory into pseudos, if appropriate.
11569 (prescan_loop): Figure out whether or not there are jumps from the
11570 loop to targets other than the label immediately following the
11571 loop. Call insert_loop_mem to notice all the MEMs used in the
11572 loop, if it could be safe to pull MEMs into REGs for the duration
11574 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11576 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11578 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11580 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11582 * config/sparc/sparc.c (finalize_pic): Check for the correct
11583 nonlocal_goto_receiver UNSPEC number.
11584 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11585 making note of this dependency existing in sparc.c
11586 (negtf2_notv9 split): Give NEG SFmode.
11587 (negsf2): Fix insn output string.
11589 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11591 * c-common.c (decl_attributes): Issue an error if the argument
11592 to alias is not a string.
11594 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11596 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11597 pending memory flush list.
11599 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11601 (try_combine): Allow combining insns with REG_LIBCALL notes.
11603 * expr.c (emit_block_move): Do not call memcpy as a libcall
11604 instead build up a CALL_EXPR and call it like any other
11606 (clear_storage): Similarly for memset.
11608 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11611 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11614 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11615 and REG_LIVE_LENGTH as successful substitutions are made.
11617 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11619 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11620 statement after end of loop label.
11622 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11624 * config/sparc/sparc.c (ultra_types_avail): New variable.
11625 (ultra_build_types_avail): New function to record mask of insn
11626 types in ready list at this cycle.
11627 (ultrasparc_sched_reorder): Call it.
11628 (ultra_find_type): Use it to quicken the search. Also simplif
11629 dependency check, don't use rtx_equal_p because we know exactly
11630 what we are looking for.
11632 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11634 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11635 for architecture v4.
11637 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11639 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11641 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11642 movdf_const_intreg and helper splits): New patterns to move float
11643 constants into integer registers.
11644 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11647 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11650 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11652 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11654 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11655 a BASE_REGS register is needed as an intermediate when copying
11656 a symbolic value into any register class other than BASE_REGS.
11658 * expr.c (move_by_pieces): No longer static. Remove prototype.
11659 * rtl.h (move_by_pieces): Add extern prototype.
11660 * mips.c (expand_block_move): Handle aligned straight line copy by
11661 calling move_by_pieces.
11663 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11666 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11668 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11669 jumps out of the loop to be treated as part of the exit test.
11671 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11672 Jeff Law <law@cygnus.com>
11674 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11675 * cplus-dem.c: Delete.
11677 * Makefile.in (fold-const.o): depend on $(RTL_H).
11679 * fold-const.c: Include rtl.h to get the prototype for
11680 `set_identifier_local_value'.
11682 * loop.c (express_from_1): Remove unused variable `tmp'.
11683 (combine_givs): cast the first argument of bzero to char *.
11685 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11687 * c-decl.c (init_decl_processing): Remove unneeded &.
11689 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11691 * except.c (set_exception_lang_code, set_exception_version_code):
11692 Change parameter from `short' to `int' to avoid using a gcc
11695 * except.h (set_exception_lang_code, set_exception_version_code):
11696 Likewise for prototypes.
11698 * flow.c (count_reg_references): Remove unused variables `regno'
11701 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11703 * prefix.c (translate_name): Cast the result of `alloca'.
11705 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11707 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11709 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11710 Include "toplev.h".
11711 (valid_dbcc_comparison_p): Mark mode argument as unused.
11712 (symbolic_operand): Likewise.
11713 (legitimize_pic_address): Likewise.
11714 (const_uint32_operand): Likewise.
11715 (const_sint32_operand): Likewise.
11716 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11717 schedule_insns and comment out rest of file.
11719 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11721 (output_move_[hq]imode): Likewise.
11723 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11725 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11726 * invoke.texi: Corresponding changes.
11728 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11730 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11732 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11734 * config/sparc/sparc.c (ultra_code_from_mask,
11735 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11736 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11737 ultrasparc_sched_init, ultrasparc_variable_issue,
11738 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11739 functions to describe UltraSPARC pipeline exactly to Haifa.
11740 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11741 as there is nothing the scheduler can do about it. Indicate that
11742 REG_DEP_OUTPUT's collide. Fixup formatting.
11743 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11744 divide costs on Ultra for DImode.
11745 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11747 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11748 ieuN and add call_no_delay_slot to type list.
11749 (cti function unit): New unit for branches on UltraSPARC.
11750 (subx/addx insns): Set type to misc.
11751 (sidi zero/sign extension insns on arch64): Set type to shift.
11752 (sign_extendhidi2_insn): Set type to sload.
11754 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
11756 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11757 (output_epilog): Use if != 0 for offset.
11758 (rs6000_fatal_bad_address): Prepare for Intl.
11759 * rs6000.h (rs6000_fatal_bad_address): Declare.
11760 * rs6000.md (movsfcc, movdfcc): Use else if.
11761 (elf_high): Use {liu|lis}.
11762 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11763 (movsi): Use rs6000_fatal_bad_address.
11765 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11767 * reload.c (find_equiv_reg): Reject equivalences separated
11768 by a volatile instruction.
11770 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11772 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11774 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11776 * alpha.md (movsicc): Fix mode mismatch.
11778 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11780 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11782 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11784 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11786 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11787 write-only modifier from operand 1 constraint.
11789 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11791 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11792 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11794 (sparc_emit_set_const64): Likewise, also when computing trailing
11795 bits do not negate low_bits and make fast_int an int.
11797 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11799 * loop.c (add_label_notes): Do not ignore references to labels
11800 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11801 * gcse.c (add_label_notes): Similarly.
11803 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11805 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11806 (adddi_dishl32): Similarly.
11808 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11810 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11811 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11812 * cse.c (cse_basic_block): Add parens to shut up warnings.
11814 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11816 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11817 sparc_emit_set_const64_longway, const64_is_2insns,
11818 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11819 in 64-bit constant formation.
11820 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11821 rtl for addx not subx.
11822 (define_insn movdi_const64_special): Make available even when
11823 HOST_BITS_PER_WIDE_INT is not 64.
11824 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11825 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11826 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11827 instances of operand 1 inside a QI subreg.
11828 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11829 (one_cmpldi2_sp64): Fix output string.
11830 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11832 (unnamed arch64 ashift DI): Truncate shift count if greater than
11835 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11837 * expr.c (store_expr): Don't optimize away load-store pair
11838 when either source or destination have a side effect.
11840 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11842 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11843 operands of SET are incompatible.
11845 * alpha.md: Fix max and min patterns so modes of SET operands match.
11847 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11849 * configure.in: Avoid [[ by using test and changequote.
11850 * configure: Rebuild.
11852 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11854 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11856 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11857 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11858 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11859 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11860 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11861 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11862 Fix mismatching modes in SET operands.
11863 (conditional move patterns): Fix formatting.
11864 (unnamed subx arch64 pattern): Remove duplicate insn.
11866 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11868 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11869 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11870 (input_operand): Fixup test for what we accept for constant
11872 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11874 (safe_constDI): Remove.
11875 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11876 gen_safe_XOR64): New functions.
11877 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11878 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11880 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11881 available when HOST_BITS_PER_WIDE_INT is not 64.
11882 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
11883 move before movdi_insn_sp64 pattern.
11884 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
11885 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
11886 symbolic_operand as predicate for second operand.
11887 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
11888 expander): Give set VOIDmode.
11890 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
11892 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
11894 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
11896 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
11898 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
11900 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
11902 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
11904 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
11906 * install.texi: Various SCO OpenServer tweaks.
11908 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
11910 * reload1.c (eliminate_regs_in_insn): Handle another case when
11911 eliminating the frame pointer to the hard frame pointer. Add
11912 missing ep->to_rtx check to one existing case.
11914 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
11916 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
11918 * tree.h: De-conditionalize init_priority code.
11920 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
11921 * collect2.c (NM_FLAGS): Change from -p to -n.
11923 * configure.in: Turn on collect2 for mipstx39-elf.
11924 Handle use_collect2=no properly.
11926 * c-common.c: De-conditionalize init_priority code.
11927 * collect2.c (extract_init_priority, sort_ids): New fns.
11928 (main): Call sort_ids.
11929 Move sequence_number to file scope.
11931 * configure.in: Handle --enable-init-priority.
11932 * c-common.c (attrs): Add A_INIT_PRIORITY.
11933 (init_attributes, decl_attributes): Likewise.
11934 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
11935 * tree.c (get_file_function_name_long): Split out...
11936 (get_file_function_name): ...from here.
11938 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
11940 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
11943 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
11945 * toplev.c (display_help): Add braces to shut up warnings.
11946 * tree.c (simple_cst_equal): Likewise.
11948 * fold-const.c (non_lvalue): Don't deal with null pointer
11950 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11952 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
11953 of any size to a pointer.
11955 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
11957 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
11959 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
11961 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
11962 which will be saved.
11963 * mn10300.md (prologue insn): Only save registers which need saving.
11964 (epilogue insn): Similarly.
11966 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11969 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11971 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11972 VAR_DECL's in gp addressable sections.
11974 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11976 * sparc.c: Change return <exp> to <exp>; return; in functions
11978 * sparc.md: Add empty semicolon statement after final label in
11981 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11983 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11984 addx_extend_sp64, only allow when TARGET_ARCH64.
11985 (define_insn addx_extend_sp32 and split): Version that works when
11987 (define_insn subx_extend): Likewise.
11988 (define_split adddi3 and subdi3 with zero extension): Fixup and
11989 correct bugs when not TARGET_ARCH64.
11991 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11993 * except.c (set_exception_lang_code, set_exception_version_code):
11994 Use prototype-style definition if __STDC__, to match declaration
11997 * genemit.c: Change FAIL and DONE macros not to use loops.
11999 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
12001 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
12002 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
12004 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
12006 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
12008 * README.g77: Update from Craig.
12010 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12012 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
12013 type HOST_WIDE_INT.
12014 (safe_constDI sparc_emit_set_const64_quick1,
12015 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12016 analyze_64bit_constant, const64_is_2insns,
12017 create_simple_focus_bits): Fix some bugs when compiled on real
12019 (function_arg_record_value_3, function_arg_record_value_2,
12020 function_arg_record_value): Add fully prototyped forward decls.
12021 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
12022 to cmpsi_insn and use on both 64 and 32 bit targets.
12023 (define_insn cmpsi_insn_sp64): Remove.
12024 (define_expand zero_extendsidi2): Allow for 32-bit target too.
12025 (define_insn zero_extendsidi2_insn): Rename to
12026 zero_extendsidi2_insn_sp64.
12027 (define_insn zero_extendsidi2_insn_sp32): New pattern and
12028 assosciated forced split for it.
12030 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12032 * config/sparc/sparc.h: Declare them.
12033 (PREDICATE_CODES): Add them.
12034 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
12035 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
12037 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12039 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12040 in v9 case as the latter makes the Solaris assembler crash.
12042 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12044 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12045 for TFmode when !v9. We require offsettable memory addresses.
12046 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12047 DFmode register number conversions.
12048 * config/sparc/sparc.md (define_split DFmode moves): If register
12049 is a SUBREG do alter_subreg on it before using.
12050 (define_expand movtf): Fixup comment about alignment on v9.
12051 (define_split TFmode moves): Don't use gen_{high,low}part, create
12052 explicit SUBREGs instead.
12054 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12056 * Makefile.in (mbchar.o): Depend on mbchar.c.
12058 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12059 Richard Henderson <rth@cygnus.com>
12061 Rewrite Sparc backend for better code generation and
12062 improved sparc64 support.
12063 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12065 * config/sparc/sysv4.h: Likewise.
12066 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12067 move_operand, v8plus_regcmp_op, emit_move_sequence,
12068 singlemove_string, doublemove_string, mem_aligned_8,
12069 output_move_double, output_move_quad, output_fp_move_double,
12070 move_quad_direction, output_fp_move_quad, output_scc_insn):
12072 (small_int_or_double): New predicate.
12073 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12074 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12075 old pic_{sethi,lo_sum}_si patterns.
12076 (mem_min_alignment): New generic function to replace
12077 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12078 available and can test for arbitrary alignments. All callers
12080 (save_regs, restore_regs, build_big_number,
12081 output_function_prologue, output_cbranch, output_return,
12082 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12083 sparc_flat_output_function_epilogue): Prettify
12085 (output_function_epilogue): Likewise and add code to output
12086 deferred case vectors.
12087 (output_v9branch): Likewise, add new arg INSN and use it to tack
12088 on branch prediction settings. All callers changed.
12089 (print_operand): Likewise and output %l44 for LO_SUMs when
12091 (sparc_splitdi_legitimate): New function to make sure DImode
12092 splits can be run properly when !arch64.
12093 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12094 Reformat example code in comments.
12095 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12096 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12097 of deferred case vectors we need to output.
12098 (sparc_defer_case_vector): Record a case vector.
12099 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12100 sparc_output_deferred_case_vectors): New functions to output them.
12101 (sparc_emit_set_const32): New function to form 32-bit constants in
12102 registers when that requires more than one instruction.
12103 (safe_constDI, sparc_emit_set_const64_quick1,
12104 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12105 analyze_64bit_constant, const64_is_2insns,
12106 create_simple_focus_bits, sparc_emit_set_const64): New functions
12107 which do the same for 64-bit constants when arch64.
12108 (sparc_emit_set_symbolic_const64): New function to emit address
12109 loading for all code models on v9.
12110 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12111 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12112 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12113 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12114 inaccuracies in comments, add symbolic and text_segment operands
12115 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12116 GENERAL_REGS in these cases as a temp REG is needed to load these
12117 addresses into a register properly.
12118 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12120 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12121 quads are guarenteed to have 16-byte alignment.
12122 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12123 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12124 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12125 deferred case vector implementation.
12126 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12127 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12128 Generate "internal label - label" instead of "label - 1b".
12129 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12130 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12131 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12133 (doublemove_string, output_block_move, output_fp_move_double,
12134 output_fp_move_quad, output_move_double, output_move_quad,
12135 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12136 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12137 (sparc_emit_set_const32, sparc_emit_set_const64,
12138 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12139 mem_min_alignment, small_int_or_double): Add externs.
12140 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12141 UNSPEC_VOLATILE in this backend.
12142 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12143 unary to types which execute in it.
12144 (define_function_unit ieu_shift): Rename to ieu0.
12145 (define_function_unit ieu1): New, executes compare, call, and
12146 uncond_branch type insns.
12147 (define_function_units for type fdivs, fdivd, fsqrt): These
12148 execute in the fpu multiply unit not the adder on UltraSparc.
12149 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12150 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12151 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12152 allows the arith_double_operand predicate and rHI constraint when
12154 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12155 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12156 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12157 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12158 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12159 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12160 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12161 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12162 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12163 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12164 sign_extendqihi2_insn, sign_extendqisi2_insn,
12165 sign_extendqidi2_insn, sign_extendhidi2_insn,
12166 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12167 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12168 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12169 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12170 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12171 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12172 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12173 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12174 smulsi3_highpart_v8plus, unnamed subreg mult,
12175 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12176 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12177 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12178 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12179 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12180 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12181 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12182 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12183 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12184 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12185 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12186 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12187 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12188 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12189 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12190 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12191 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12192 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12193 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12194 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12195 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12196 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12197 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12198 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12199 call_address_untyped_struct_value_sp32,
12200 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12201 call_value_symbolic_sp32, call_value_address_sp64,
12202 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12203 flush_register_windows, goto_handler_and_restore,
12204 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12205 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12206 return_addsi, return_di, return_adddi, return_sf, all call+jump
12207 peepholes, trap, unnamed trap insns): Prettify output strings.
12208 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12209 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12210 Likewise and force + implement splits for integer cases.
12211 (define_insn return_sf_no_fpu): Likewise and allow to match when
12212 no-fpu because of our subreg SFmode splits.
12213 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12214 zero_extendqidi2_insn, zero_extendhidi2_insn,
12215 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12216 input_operand for second operand.
12217 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12218 reg_or_0_operand for operand 2 so new splits can use it.
12219 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12220 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12222 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12223 CONST_DOUBLEs for operand 2.
12224 (define_insn move_label_di): Likewise and label distance
12225 optimization because it no longer works with new deferred case
12226 vector scheme. To be revisited.
12227 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12228 and allow reg_or_0_operand and J constraint for second operand.
12229 (define_insn jump): Set branch predict taken on V9.
12230 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12231 new deferred case vector scheme.
12232 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12233 (define_insn negdi2_sp32): Force + implement splits.
12234 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12235 one_cmplsi2_not_liveg0 respectively, and create expander of original
12236 names which emit special rtl for TARGET_LIVE_G0.
12237 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12238 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12239 gen_compare_reg, FAIL instead.
12240 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12241 values when trying to reverse condition codes, if they FAIL then
12243 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12244 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12245 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12246 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12247 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12248 set output string to # to indicate they are mandatory splits.
12249 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12250 pic_sethi_di, move_pic_label_si): Remove.
12251 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12252 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12254 (define_expand movsi_pic_label_ref, define_insn
12255 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12256 expander and insns to handle PIC label references and deferred
12258 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12260 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12261 Rewrite to not use emit_move_sequence, make use of new constant
12262 formation code, and new splits for all multi-insn cases.
12263 (define_insn movqi_insn): Remove sethi case, it can never happen.
12264 Use reg_or_zero_operand instead of const0_rtx explicit test,
12265 use input_operand instead of move_operand for source, and use
12266 general_operand now for dest.
12267 (define_insn movhi_insn): Similar but leave sethi case.
12268 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12269 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12270 movhi_lo_sum respectively, prettify output string.
12271 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12272 register when needed on TARGET_LIVE_G0.
12273 (define_insn movsi_insn): Use general_operand and input_operand
12274 for dest and src respectively. Simplify applicability test.
12275 Prettify output strings, and add clr alternative for J
12277 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12278 deprecated std and reg-reg DI moves): Remove and...
12279 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12280 implementation which uses forced splits for all non-single insn
12282 (define_split DI move cases on !arch64): New splits to handle all
12283 situations of 64-bit double register DImode on 32bit, and
12284 unaligned registers and memory addresses for all subtargets.
12285 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12287 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12288 input_operand for dest and src respectively, prettify output
12290 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12291 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12293 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12294 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12295 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12296 movtf_no_e_insn_sp64) Replace with new
12297 implementation which uses forced splits for all non-single insn
12299 (define_split DF move cases): New splits in similar vein to DI
12301 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12302 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12303 movdi_sp64_insn): Remove old v9 code model and constant loading
12304 support insns and..
12305 (define_insn pic_lo_sum_di, pic_sethi_di,
12306 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12307 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12308 embmedany_sethi, embmedany_losum, embmedany_brsum,
12309 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12310 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12311 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12312 scheme, using unspecs, secondary reloads, and one to one sparc
12313 insn to rtl insn mapping for better scheduling and code gen.
12314 (define_expand reload_indi, reload_outdi): Reload helpers for
12315 MEDANY and EMBMEDANY symbol address loading cases which require a
12316 temporary register.
12317 (define_expand movsicc): Remove v8plus_regcmp cases.
12318 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12319 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12320 cmp_diqi_trunc_set): New patterns used by some of the new scc
12322 (define_insn xordi3_sp64_dbl): New pattern used for constant
12323 formation when crossing from 32-bit targets.
12324 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12326 (define_insn addx, subx): Make visible and prettify.
12327 (define_insn adddi3_insn_sp32): Likewise and force split.
12328 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12329 64bit scc split usage.
12330 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12331 zero_extend, subdi3): Force and implement splits.
12333 * final.c (final_scan_insn): Don't output labels if target
12334 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12337 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12338 don't forget to walk inside SEQUENCESs too as these are what the
12339 delay slot scheduler will create.
12341 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12343 * alpha.md (extxl+1,+2): New patterns to work around
12346 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12348 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12349 caused bad assembly code to be generated.
12351 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12353 * netbsd.h: Fix typo.
12355 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12357 * config.sub: Fix typo.
12359 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12361 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12363 (Running Protoize): Typo: Change "ther" into "other".
12365 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12367 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12368 * m68k/netbsd.h: Likewise.
12369 * ns32k/netbsd.h: Likewise.
12370 * sparc/netbsd.h: Likewise.
12372 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12374 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12375 * ginclude/va-clipper.h (va_list): Likewise.
12377 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12379 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12380 load/store multiple instructions unless user overrides.
12382 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12384 * ns32k/netbsd.h: Fix typo.
12386 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12388 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12389 labels with .debugsym if no parallel insns.
12391 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12393 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12394 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12396 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12398 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12399 (AR_FOR_TARGET): Define.
12401 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12403 * dyn-string.h: New file.
12404 * dyn-string.c: Likewise.
12405 * Makefile.in (OBJS): Add dyn-string.o.
12406 (dwarf2out.o): Add dyn-string.h dependency.
12407 (dyn-string.o): List dependencies.
12408 * dwarf2out.c: Include dyn-string.h.
12409 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12410 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12411 prototype. Use dyn_string_append rather than strcat, throughout.
12412 (addr_to_string): Use dyn_string_t.
12414 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12416 Function entry/exit profiling instrumentation:
12417 * expr.h (profile_function_entry_libfunc,
12418 profile_function_exit_libfunc): Declare new variables.
12419 * optabs.c: Define them here.
12420 (init_optabs): Initialize them.
12421 * tree.h (struct tree_decl): New flag
12422 no_instrument_function_entry_exit.
12423 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12424 * c-decl.c (duplicate_decls): Merge it.
12425 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12426 (init_attributes): Use it for "no_instrument_function".
12427 (decl_attributes): Handle it, for functions that have not yet been
12428 compiled. Set decl flag.
12429 * flags.h (flag_instrument_function_entry_exit): Declare new
12431 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12432 (f_options): New option "instrument-functions".
12433 * function.h (struct function): New field instrument_entry_exit.
12434 * function.c (current_function_instrument_entry_exit): New
12436 (push_function_context_to, pop_function_context_from): Save and
12438 (expand_function_start): Set current_ variable, maybe emit return
12439 label and entry profile call.
12440 (expand_function_end): Maybe emit exit profile call.
12442 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12444 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12445 NON_QI_REG_P, pretend the register is SImode.
12447 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12449 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12450 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12451 manufacturer id for ns32k.
12452 * configure: Regenerated.
12453 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12454 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12455 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12456 * config/m68k/netbsd.h: Same.
12457 * config/ns32k/netbsd.h: Same.
12458 * config/sparc/netbsd.h: Same.
12460 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12462 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12463 or UNROLL_COMPLETELY loop that starts with a jump to its
12466 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12468 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12469 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12470 (print_operand, case 'B'): Don't fall through.
12471 (print_operand, case 'S'): Correct mask begin/end computation.
12472 Use HOST_BITS_PER_WIDE_INT.
12473 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12474 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12475 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12476 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12478 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12480 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12481 constraint from second alternative.
12483 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12485 * configure.in: Fix --without/--disable cases for local-prefix,
12486 gxx-include-dir and checking.
12488 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12490 * configure.in (enable_haifa): Set by default for sparc64 too.
12491 configure: Rebuilt.
12493 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12495 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12496 * i386/winnt.c (associated_type): New fn.
12497 (i386_pe_valid_type_attribute_p): New fn.
12498 (i386_pe_check_vtable_importexport): Remove.
12499 (i386_pe_dllexport_p): Use associated_type.
12500 (i386_pe_dllimport_p): Likewise.
12502 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12503 * i386.c (i386_valid_type_attribute_p): Also accept
12504 attributes for METHOD_TYPEs.
12506 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12508 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12510 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12512 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12514 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12515 them from generating a new base name for each occurence of
12518 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12520 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12522 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12526 * cplus-dem.c (type_kind_t): New type.
12527 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12528 on this paramter, rather than demangling the type again.
12529 (demangle_integral_value): Pass tk_integral.
12530 (demangle_template_: Pass the value returned from do_type.
12531 (do_type): Return a type_kind_t. Pass tk_integral to
12532 demangle_template_value_parm for array bounds.
12533 (demangle_fund_type): Likewise.
12535 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12537 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12540 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12542 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12544 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12546 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12548 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12551 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12553 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12554 (DEBUGGER_ARG_OFFSET): Likewise.
12556 * mn10300.md (movsf): Remove last change. Not needed.
12558 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12560 * c-lex.c (yylex): Fix boundary conditions in character literal and
12561 string literal loops.
12563 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12565 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12566 being invoked incorrectly.
12568 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12569 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12571 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12572 * configure.in: Added i[34567]86-*-win32
12573 * config.sub: Ditto.
12574 * configure: Rebuilt.
12576 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12578 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12579 the frame pointer and compiling PIC code and reload has not completed.
12581 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12584 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12586 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12588 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12590 * Makefile.in (install-info): Only try to update the info
12591 directory file if it exists in the first place.
12593 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12595 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12597 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12599 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12600 CONST_DOUBLE source.
12602 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12604 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12605 strings as the insertion of USER_LABEL_PREFIX.
12606 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12608 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12611 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12613 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12614 already defined type.
12616 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12618 * expr.c (check_max_integer_computation_mode): Allow conversions
12619 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12620 (expand_expr): Likewise.
12622 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12624 * expr.c (expand_expr): Expand RETURN_EXPR.
12626 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12628 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12630 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12632 * dwarf2out.c (output_aranges): Call stripattributes
12633 for TEXT_SECTION references.
12634 (output_line_info): Likewise.
12636 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12638 * profile.c (branch_prob): Call allocate_reg_info after outputting
12639 profile rtl in instrument_arcs.
12641 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12643 * fixinc.irix (math.h): Install wrapper instead of copying.
12645 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12647 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12648 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12649 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12650 lang_flag_0. Added documentation in the flag table.
12652 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12654 * cccp.c (do_include): Fix vax c style include handling.
12656 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12658 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12660 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12662 * fold-const.c (non_lvalue): Don't deal with null pointer
12664 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12666 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
12668 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12669 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12670 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12671 (u_short_cint_operand): Same.
12672 (reg_or_cint_operand): Same.
12673 (logical_operand): Same.
12674 (input_operand): Same.
12675 (reg_or_short_operand): Use u_short_cint_operand.
12677 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12679 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12680 but keep the insns and splits. Adjust so when the ultimate destination
12681 is memory, use cvtql.
12683 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12685 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12687 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12689 * gcc.c (do_spec): Call "error" not "warning".
12691 * configure.in: Fix minor problems with gas feature detection code.
12692 * configure: Rebuilt.
12694 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12696 * Undo this change.
12697 * gcc.c: Delete %[spec] support.
12698 (do_spec_1, case '('): Likewise.
12699 (do_spec_1, case '['): Call error.
12701 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12703 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12704 (CPP_SUBTARGET_SPEC): Default to empty string.
12705 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12706 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12707 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12708 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12710 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12711 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12712 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12713 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12714 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12715 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12716 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12717 * alpha/vxworks.h: Likewise.
12719 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12721 * mips.md (reload_outsi): Added missing REGNO call.
12722 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12724 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12725 another match_operator and compare the codes.
12727 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12729 * MIPS multiply pattern fixes:
12730 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12731 Add union classes for HI, LO, or HILO plus general registers.
12732 (GENERATE_MADD): Deleted.
12733 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12734 Add TARGET_MAD to condition.
12735 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12736 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12737 "*d" for accumulator, to give preference to LO initially but not
12740 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12742 * configure.in (enable_c_mbchar): New configure option.
12743 (extra_cpp_objs): Always available now.
12745 * cexp.y (mbchar.h): #include it.
12746 (yylex): Handle Multibyte characters in character literals.
12748 * cccp.c (mbchar.h): #include it.
12749 (main): Set character set based on LANG environment variable.
12750 (rescan): Handle multibyte characters in comments.
12751 (skip_if_group): See above.
12752 (validate_else): See above.
12753 (skip_to_end_of_comment): See above.
12754 (macarg1): See above.
12755 (discard_comments): See above.
12756 (rescan): Handle multibyte characters in string and character literals.
12757 (collect_expansion): See above.
12758 (skip_quoted_string): See above.
12759 (macroexpand): See above.
12760 (macarg1): See above.
12761 (discard_comments): See above.
12762 (change_newlines): See above.
12764 * c-lex.c (mbchar.h): #include it.
12765 (GET_ENVIRONMENT): New macro.
12766 (init_lex): Set character set based on LANG environment variable.
12767 (yylex): Handle multibyte characters in character literals.
12768 (yylex): Handle multibyte characters in string literals.
12770 * Makefile.in (mbchar.o): New target.
12771 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12772 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12774 * mbchar.[ch]: New files for multibyte character handling.
12776 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12778 * jump.c (jump_optimize): When simplifying noop moves and
12779 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12780 the PUSHes to rewrite in second loop as we did in the first.
12782 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12784 * cplus-dem.c (demangle_nested_args): Make function definition
12785 static to match the prototype.
12787 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12789 * alloca.c: Respect USE_C_ALLOCA.
12790 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12791 * gengenrtl.c (xmalloc): Likewise.
12793 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12795 * loop.h (struct induction): Add no_const_addval.
12796 * loop.c (the_movables, reg_address_cost): New variables.
12797 (init_loop): Init reg_address_cost.
12798 (loop_optimize): Call end_alias_analysis.
12799 (scan_loop): Init the_movables.
12800 (record_giv): Init induction->no_const_addval.
12801 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12802 [REG]: Rearrange loop search test to catch more cases.
12803 (general_induction_var): Return success not benefit; take an extra
12804 argument for that. Change all callers.
12805 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12806 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12807 [default]: Search the_movables for additional combinations.
12808 (sge_plus_constant, sge_plus): New functions.
12809 (express_from_1): New function.
12810 (express_from): Always define. Rewrite using express_from_1.
12811 (combine_givs_p): Handle more cases. Ignore address cost.
12812 (cmp_combine_givs_stats): New function.
12813 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12814 (combine_givs): Rewrite to do best-fit combination.
12816 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12817 (fold): Do a complete (A*C)+(B*C) association check.
12819 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12821 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12823 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12825 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12827 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12829 * tree.c (valid_machine_attribute): Only create a new type variant if
12830 there is a decl to use it.
12832 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12834 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12837 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12839 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12842 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12844 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12845 Simplify tests for clearing an address register.
12846 (expand_prologue): Corresponding changes.
12848 * mn10300.md (movXX patterns): Make sure the destination is an
12849 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12850 (logical patterns): Split into expanders + patterns
12851 (zero and sign extension patterns): Similarly.
12852 (shift patterns): Similarly.
12854 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12856 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12857 for the sequence, recording base values.
12859 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12861 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12863 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12865 * gcc.c: Remove ANSI-C ism from --help code.
12867 * toplev.c: Support --help with USE_CPPLIB.
12869 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12871 * configure.in: Rework gas feature code to work with symlink based
12874 * extend.texi: Clarify some issues related to local variables
12875 assigned to explicit registers.
12877 * mn10300.md (mulsi): Turn into expander + pattern.
12879 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
12882 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
12884 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
12886 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
12888 * version.c: Bump again to distinguish mainline tree from the
12891 See ChangeLog.0 for earlier changes.
12894 add-log-time-format: current-time-string