1 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
3 * i370.h (TARGET_SWITCHES): Add documentation.
4 * fx80.h (TARGET_SWITCHES): Add documentation.
5 * elxsi.h (TARGET_SWITCHES): Add documentation.
6 * clipper.h (TARGET_SWITCHES): Add documentation.
7 * 1750a.h (TARGET_SWITCHES): Add documentation.
8 * pa.h (TARGET_SWITCHES): Add documentation.
9 (TARGET_OPTIONS): Likewise.
10 * mn10300.h (TARGET_SWITCHES): Add documentation.
11 * h8300.h (TARGET_SWITCHES): Add documentation.
13 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
15 * loop.c (strength_reduce): Do not perform pseudo replacements
16 if the loop contains volatile memory references.
18 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20 * reload.c (find_reloads_toplev): When processing X recursively,
21 don't alter it destructively except by filling in constants.
23 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25 * cccp.c (default_include): Initialize structure memebers.
26 (pass_thru_directive): Change the type of 'keyword_length' to int.
27 (main): Cast `bindtextdomain' and `textdomain' to (void).
29 * collect2.c (main): Likewise.
31 * cppmain.c (main): Likewise.
33 * gcc.c (main): Likewise.
35 * gcov.c (main): Likewise.
37 * protoize.c (main): Likewise.
39 * toplev.c (main): Likewise.
41 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
43 * config/mips/mips.c (mips_explicit_type_size_string): Correct
46 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
48 * configure.in: Use "exit 1", not "exit (1)".
51 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
53 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
54 `/include' in order to find the system's limits.h.
56 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
58 * fixinc/fixincl.c: Include auto-host.h instead of config.h
59 * fixinc/procopen.c: Likewise.
60 * fixinc/regex.c: Likewise.
61 * fixinc/server.c: Likewise.
63 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
65 * config/i386/go32.h: Delete.
66 * config/i386/djgpp.h: New. Renamed from go32.h.
67 Added -DDJGPP=2 to CPP_PREDEFINES.
68 * config/i386/go32-rtems.h: Delete.
69 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
70 Added -DDJGPP=2 to CPP_PREDEFINES.
71 * config/i386/xm-go32.h: Delete.
72 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
73 * config/i386/x-go32: Delete.
74 * config/i386/x-djgpp: New. Renamed from x-go32.
75 * config/i386/t-go32: Delete.
76 * config/i386/t-djgpp: New. Renamed from t-go32.
77 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
78 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
79 Set xmake_file to i386/x-djgpp.
80 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
81 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
85 * gcc.c (process_command): Dump link_command_spec too.
87 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
88 Jeff Law <law@cygnus.com>
90 * pa.md: Add real PA8000 scheduling information.
92 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
93 (ISSUE_RATE): Revamp, including PA8000 support.
94 * pa.c (override_options): Add 8000 as -mschedule= option.
95 Do not call strcmp if pa_cpu_string is null.
96 * pa.md (attr cpu): Add 8000.
97 * invoke.texi: Add documentation for PA8000 scheduling.
99 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
101 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
103 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
104 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
106 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
108 * flow.c (compute_immediate_dominators): New function.
109 * basic-block.h (compute_immediate_dominators): Declare it.
111 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
113 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
115 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
117 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
119 * config/arm/arm.md: Fix various compile time warnings.
120 * config/arm/arm.h: Fix various compile time warnings. Add
122 * config/arm/arm.c: Fix various compile time warnings.
123 (arm_override_options): Reorganise to seperate tuning from
125 (bit_count): New function: Return a count of the number of bits
128 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
130 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
131 things that were eliminated.
133 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
135 * function.c (fixup_var_refs_1): First try moving the expression
136 directly into a register. Don't separate cc0 setter and user.
138 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
140 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
142 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
144 * c-lex.c: Don't include setjmp.h.
145 (parse_float): New static function.
146 (pf_args): New struct.
147 (yylex): Use them in call to `do_float_handler'.
149 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
151 * cexp.y (yyerror): Call verror to get a usefull error message.
154 * .gdbinit: Move command to put breakpoint at abort to end of file
155 so that gdb does not bail out early.
157 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
159 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
161 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
163 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
165 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
167 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
168 Delete emit_library_call_value declaration.
170 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
172 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
173 (which cannot otherwise appear in the processed buffer) and
174 move it out of tokens that it appears in the middle of.
176 (find_position): New function.
178 * cpplib.c: \r (one character) indicates backslash
179 newline, not \\\n (two characters). It cannot appear in the
180 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
181 parsing moves past \n or \r. Increment pfile->lineno whenever
182 a \n is placed into token_buffer. Only one mark can exist at
183 a time, and CPP_BUMP_LINE must not be used while it is
184 active. It is automatically cleared by cpp_pop_buffer and
185 parse_goto_mark. \r is not in is_hor_space or is_space.
187 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
188 update_position, count_newlines, parse_move_mark): Removed.
189 (parse_string, copy_comment): New functions.
190 (parse_name): Returns void.
191 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
192 one argument, a cpp_reader *. Change for new marking scheme.
193 (skip_comment): Handle CHILL line comments too. Second
194 argument is now first character of comment marker; all callers
195 changed. Issue error for unterminated block comment here.
196 (cpp_skip_hspace): Recognize CHILL comments.
197 (copy_rest_of_line): Likewise. Call skip_comment and
198 parse_string directly, don't go through cpp_get_token. Emit
199 "/**/" for block comments if -traditional (create_definition
201 (do_define): Don't play with put_out_comments.
202 (cpp_push_buffer): Initialize ->mark to -1.
203 (cpp_buf_line_and_col): Just read out the values in the buffer
205 (output_line_command): Use cpp_buf_line_and_col. Fix
206 formatting. Remove stale code.
207 (cpp_get_token): Break out string parsing code to
208 parse_string. Use skip_comment for CHILL comments too. Use
209 copy_comment for put_out_comments instead of dinking with
210 marks. Remove stale code. Don't call output_line_command
211 unless it's necessary.
213 * cpplib.h (parse_marker): Removed.
214 (struct cpp_buffer): line_base is now a unsigned char *; add
215 `mark' [long], remove `marks' [struct parse_marker *].
216 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
218 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
219 * cppinit.c (is_hor_space, is_space): '\r' is not considered
221 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
223 * cpphash.c (macarg): Disable line commands while expanding.
225 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
227 * c-lex.c (yylex) : Remove warning for integer literals being
228 larger than the largest target int. Add warning for integer
229 literal being larger than than its choosen type.
231 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
233 * invoke.texi: Add -mlong32 documentation.
234 * config/mips/mips.h (mips_explicit_type_size_string): New.
235 (TARGET_SWITCHES): Add 'long32'.
236 (TARGET_OPTIONS): Add 'explicit-type-size'.
237 (CC1_SPECS): Set -mexplicit-type-size.
238 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
239 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
240 * config/mips/mips.c (mips_explicit_type_size_string): New.
241 (override_options): Use it.
242 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
244 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
245 Pointer size now depends on both size longs and size of GP
248 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
250 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
251 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
252 * config/mips/mips.c (override_options): Allow -mlong64 and
253 -mint64 with -mips2 or less.
254 * config/mips/mips.h (MASK_LONG64): Fix comment.
255 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
256 (Pmode): Make Pmode the smaller of longs or gp registers.
257 * invoke.texi: Note the new size for pointers.
259 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
261 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
262 bit-pattern directly.
263 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
264 * rs6000.c (first_reg_to_save): If profiling and context needed,
265 allocate a reg to save static chain for all ABIs. For AIX
266 profiling, calculate parameter registers to save based on need.
267 (output_function_profiler): Save and restore static chain around
268 profile call for all ABIs.
270 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
272 * cppinit.c: Instead of one pending list, keep separate lists
273 for each category of pending option: -D/-U, -A, -include,
274 -imacros. Move the four partial include-path lists into the
275 pending block. Use head and tail pointers so we don't ever
276 have to reverse the lists.
278 (cpp_start_read): Break out blocks of code to their own
279 functions: install_predefs and initialize_dependency_output.
280 Use path_include for C_INCLUDE_PATH and friends as well as
281 CPATH. Remove include_defaults gunk. Warn about the
282 combination of -lang-chill and -trigraphs. Optimize string
283 bashing. Walk each pending list once, deallocating as we go.
285 (append_include_chain): Brought over from cppfiles.c. Mark
286 dirs as system include dirs if and only if appending to
287 system include path. If opts->verbose, print a notice when a
288 dir is dropped from the include path because it doesn't
289 exist. Fix memory leak: this function is not supposed to copy
292 (nreverse_pending, push_pending): Removed.
293 (APPEND): New macro for adding to pending lists.
294 (path_include): Can now add to any partial include path.
295 (base_name): Bring over from cccp.c.
296 (cpp_options_init): Allocate the pending block.
297 (cpp_handle_option): Add --version. Exit after --help. Fix
298 formatting. Order -ifoo options by frequency of usage.
299 (install_predefs): New function, simplified version of code
300 that was in cpp_start_read.
301 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
303 * cppfiles.c (simplify_pathname): Export.
304 (merge_include_chains): Don't nreverse the lists. If
305 opts->verbose, print a notice when a duplicate dir is detected
306 and dropped from the include path.
307 (finclude): Fix excessive cleverness in setting
309 (actual_directory): Set x->sysp from
310 CPP_BUFFER (pfile)->system_header_p so that one system header
311 may include another with "".
312 (deps_output): Fix double adjustment of deps_size which would
313 cause all dependencies after the first two lines to be lost.
315 * cpplib.c (cpp_unassert): New function.
316 * cpplib.h: Lay out struct cpp_pending here. Adjust
317 prototypes. Add include_prefix_len to struct cpp_options.
319 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
321 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
322 from HI/LO/HILO/MD into general registers the same as for one
323 of moving general registers to HI/LO/HILO/MD.
325 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
327 * config/m32r/m32r.c (init_idents): New function. Initialise
328 static tree nodes for m32r specific attribute identifiers. Remove
329 leading and trailing double underscores from the attribute names.
330 (m32r_valid_machine_decl_attribute): Call init_idents.
331 (m32r_encode_section_info): Call init_idents.
333 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
335 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
336 LABEL_REF for something else.
338 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
340 * fold-const.c (exact_real_inverse): Move variable `float_error'
341 into the scope where it is used.
342 (const_binop_1): New static function.
343 (cb_args): New struct.
344 (const_binop): Use them in call to `do_float_handler'.
345 (fold_convert_1): New static function.
346 (fc_args): New struct.
347 (fold_convert): Use them in call to `do_float_handler'.
349 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
351 * rtlanal.c (auto_inc_p): New function.
352 * rtl.h (auto_inc_p): Prototype it.
353 * reload1.c (add_auto_inc_notes): New function.
354 (reload): Strip REG_INC notes and call add_auto_inc_notes
355 for each insn to restore them correctly.
357 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
359 * fixinc/Makefile.in (procopen.o): List the actual
362 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * cse.c (check_fold_consts): New static function.
365 (cfc_args): New struct.
366 (simplify_relational_operation): Use them in call to
369 * toplev.c (do_float_handler): New function to wrap calls to
370 setjmp/set_float_handler.
372 * toplev.h (do_float_handler): Add extern prototype.
374 * tree.c (build_real_from_int_cst_1): New static function.
375 (brfic_args): New struct.
376 (build_real_from_int_cst): Use them in call to
379 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
381 * version.c: Bump for snapshot.
383 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
385 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
387 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
389 * arm.c (arm_split_constant): Don't try to force a constant to
390 memory after arm_reorg has run.
391 (after_arm_reorg): New static variable.
393 (output_func_epilogue): Clear it.
395 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
397 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
398 * configure: Rebuilt.
400 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
402 * unroll.c (loop_iterations): Don't return a final value for EQ
405 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
407 * reload1.c (calculate_needs_all_insns): When ignore equivalence
408 setting insn, clear need_elim, need_reload, and need_operand_change.
410 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
412 * fixinc/fixinc.*: Some changes from the fixincl-branch
413 were not applied (??!!). Corrected.
415 * fixinc/Makefile.in: same thing.
417 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
419 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
420 MAX_INTEGER_COMPUTATION_MODE.
422 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
424 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
425 (MODES_TIEABLE_P): Update.
427 * alpha.md (ev5_e0): Conflict loads and stores.
429 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
431 * machmode.h (smallest_mode_for_size): Prototype.
432 * stor-layout.c (smallest_mode_for_size): Remove static.
434 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
436 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
437 conversion if we don't know the lifetime.
439 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
441 * reload.1c (delete_address_reloads_1): Check for reloads of
442 CURRENT_INSN even if it sets DST.
444 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
446 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
447 (print_die, size_of_die, value_format, output_die): Adjust.
449 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
451 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
452 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
453 text_section_laabel, debug_line_section_label,
454 debug_info_section_label, abbrev_section_label): New.
455 (output_compilation_unit_header): Emit label associated
456 with section instead of section name itself.
457 (out_pubnames, output_aranges, output_line_info,
458 dwarf2out_finish): Likewise.
459 (dwarf2out_init): Build internal label names for sections
462 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
464 * sh.md (mulsi3): End mul.l sequence with a no-op move.
466 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
468 * Makefile.in: activated fixinc/mkfixinc.sh
469 * configure.in: activated fixinc/mkfixinc.sh
471 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
473 * cppfiles.c (INO_T_EQ): Handle UWIN.
475 * c-common.c (decl_attributes): Flag unrecognized attribute
476 functions as warnings instead of as errors.
478 Support for i386-pc-uwin.
479 * i386/uwin.h: New file.
480 * i386/xm-uwin.h: New file.
481 * i386/t-uwin: New file.
482 * i386/uwin.asm: New file.
483 * configure.in (i[3456]86-*-uwin*): Define.
484 Add Workaround for vfork bug when hosted on uwin.
485 * configure: Regenerate.
487 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
488 (absolute_filename): UWIN uses POSIX pathnames only.
489 * libgcc2.c (getpagesize): Do not define for UWIN.
490 (mprotect): Likewise.
491 * protoize.c (dirent.h): Conditionally include.
492 (fputc): Prototype only if it's not a macro.
494 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
496 * configure.in: Remove init_priority stuff.
498 1999-03-11 Colin Smith <colin@wrs.com>
500 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
502 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
504 * gcc.texi: Update bug reporting instructions to match
505 current ezmlm list reality.
507 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
509 * gcc.c (print_file_name, print_prog_name, spec_machine,
510 read_specs, set_spec, lookup_compiler, build_search_list,
511 putenv_from_prefixes, find_a_file, record_temp_file,
512 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
513 is_directory, validate_switches, used_arg, default_arg,
514 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
515 notice, add_preprocessor_option, add_assembler_option,
516 add_linker_option, process_command, execute,
517 unused_prefix_warnings, clear_args, fatal_error,
518 lang_specific_driver, user_specs, compiler, link_command_spec,
519 option_map, translate_options, make_temp_file, temp_name,
520 programname, path_prefix, machine_suffix, just_machine_suffix,
521 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
522 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
523 standard_startfile_prefix, standard_startfile_prefix_1,
524 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
525 multilib_dir, temp_filename, temp_file, command, switchstr,
526 infile, outfiles, input_filename, input_basename, input_suffix,
527 check_live_switch, main): Qualify a char* with the `const' keyword.
529 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
532 * Makefile.in (OBJS): Add lcm.o
533 (lcm.o): Add dependencies.
535 * gcse.c (compute_pre_local_properties): Delete.
536 (compute_pre_data): Use compute_local_properties instead of
537 compute_pre_local_properties.
539 * gcse.c: More comments, whitespace and similar fixes.
540 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
541 (dump_pre_data, compute_cprop_local_properties): Likewise.
542 (one_classic_gcse_pass): Lose unused argument. All callers changed.
543 (compute_hash_table, compute_expr_hash_table): Likewise.
544 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
545 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
546 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
547 Lose unused argument.
548 (gcse_main): Always run a cprop pass after finishing global cse.
549 (compute_local_properties): New function.
550 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
551 (compute_cprop_data): Use compute_local_properties.
553 * gcse.c: Update various comments.
554 (current_function_calls_longjmp): Delete declaration.
556 * gcse.c (run_jump_opt_after_gcse): New variable.
557 (gcse_main): Returns an integer.
558 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
559 (try_replace_reg): Update some comments.
560 (cprop_insn): Allow propagation into some JUMP_INSNs too.
561 * rtl.h (gcse_main): Update prototype.
562 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
563 then run a jump optimization pass.
564 * jump.c (delete_barrier_successors): Delete nop jumps too.
566 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
568 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
569 for FP arithmetic. Changed caller.
570 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
572 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
574 * reload1.c (choose_reload_regs): When inheriting from the frame
575 pointer, don't clobber it.
577 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
579 * fixinc/fixinc.*: Resync-ed with the files in this
582 * fixinc/mkfixinc.sh: the machine case elements were
583 out-of-order. (the ix86-*-linux-gnu* entry needed to
586 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
588 * reload1.c (reload_combine_note_store): Fix calculation of number
589 of affected registers.
591 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
593 * flow.c (tidy_fallthru_edge): Be more careful finding the last
594 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
596 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
598 * i386.md (ashlsi3 splitter): Fix typo in last change.
600 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
602 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
603 instead of an explicit test for RETURN.
605 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
609 * toplev.c: Include basic-block.h.
611 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
613 * calls.c (load_register_parameters): New function.
614 (expand_call): Use it.
616 * calls.c (expand_call): Slightly reorganize code.
618 * calls.c (compute_argument_addresses): New function.
619 (rtx_for_function_call): New function.
620 (expand_call): Use them.
622 * i386.md (zero_extendhisi2): Split into an expander and anonymous
623 pattern. Add new anonymous pattern for use when optimizing for
624 size or for the PPro.
625 (zero_extendqihi2, zero_extendqisi2): Likewise.
627 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
629 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
630 dependancies to sets in the non-hard-reg case too.
632 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
634 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
636 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
638 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
639 for which CLASS_LIKELY_SPILLED_P is true.
641 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
642 have a REG or SUBREG.
644 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
646 * i386.md (ashlsi3): Revise comments. Provide new anonymous
647 pattern for Pentium and PPro/PII. Reverse constraints in
648 generic ashlsi3 anonymous pattern.
650 * calls.c (initialize_argument_info): Accept a pointer to
652 (expand_call): Pass the address of CUMULATIVE_ARGS.
654 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
656 * mn10300.h (CASE_DROPS_THROUGH): Delete.
657 * mn10200.h (CASE_DROPS_THROUGH): Delete.
658 * h8300.h (CASE_DROPS_THROUGH): Delete.
660 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
661 to also delete the cc0 setter when deleting a conditional branch
664 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
666 * regmove.c (copy_src_to_dest): New argument max_old_uid.
668 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
670 * ChangeLog: merged entries from fixincl-branch
672 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
674 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
675 (print_exp): Special case addition of a constant.
676 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
678 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
680 * haifa-sched.c (reg_last_clobbers): New.
681 (reg_pending_clobbers, bb_reg_last_clobbers): New.
682 (compute_block_backward_dependences): Allocate memory for them.
683 (schedule_region): Likewise.
684 (sched_analyze_1): Clobbers don't interfere with one another.
685 They do interfere with sets ...
686 (sched_analyze_2): ... and uses.
687 (sched_analyze): Likewise.
688 (sched_analyze_insn): Update reg_last_clobbers appropriately.
690 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
692 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
693 include system header files.
695 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
696 (_mcleanup): Add the `const' keyword to a char*.
697 (internal_mcount): Declare `etext' as a char[] not a function.
698 Cast `etext' to char* when calling `monstartup'.
700 * sparc.c (frame_base_name, save_regs, restore_regs,
701 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
702 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
703 cpu_default, cpu_table, output_function_prologue,
704 output_function_epilogue, output_return,
705 sparc_flat_output_function_prologue, ultra_code_names,
706 sparc_flat_output_function_epilogue): Constify a char*.
707 (hypersparc_adjust_cost): Add a default case in a switch.
709 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
710 sparc_cpu_select, sparc_align_loops_string,
711 sparc_align_jumps_string, sparc_align_funcs_string,
712 output_return): Constify a char*.
714 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
715 so that we check "== 32", instead of "!= 64". Cast a value to
716 HOST_WIDE_INT when comparing against one. Hide the declaration
717 for variable `chain'.
719 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
721 * system.h (const, inline): Move the stage2 handling of these
722 keywords-as-macros from here...
724 * gansidecl.h (const, inline): ...to here.
726 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
728 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
730 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
732 * cse.c (canon_hash): Never reject hard regs in CCmode.
734 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
736 * version.c: Bump for snapshot.
738 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
739 Richard Henderson <rth@cygnus.com>
741 * flow.c (make_edges): Handle casesi that jump to default branch.
742 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
744 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * c-aux-info.c (data_type, affix_data_type, gen_decl,
747 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
748 Qualify a char* with the `const' keyword.
750 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
751 declare_function_name, decl_attributes, format_char_info,
752 check_format_info, binary_op_error): Likewise.
754 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
756 * gcse.c (dump_hash_table): Likewise.
758 * integrate.c (function_cannot_inline_p): Likewise
760 * optabs.c: Include insn-config.h earlier.
761 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
762 Qualify a char* with the `const' keyword.
764 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
765 asctoeg, mtherr, ereal_atof): Likewise.
767 * real.h (ereal_atof): Likewise.
769 * sbitmap.c (dump_sbitmap_vector): Likewise.
771 * sbitmap.h (dump_sbitmap_vector): Likewise.
773 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
775 * toplev.c (rest_of_compilation): Likewise.
777 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
779 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
781 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
782 not overwrite AIX link register save area.
784 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
786 * reload.c (find_reloads_subreg_address): Actually create the USE
787 for the register, not the new memory location.
789 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
791 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
792 with its equivalent constant, fall back to reload_in.
794 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
796 * Makefile.in: Delete .flow2 debugging files.
798 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
800 * config/arm/arm.c (arm_override_options): Change default target
801 cpu selection so that enabling TARGET_APCS_32 does not override
804 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
806 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
807 (BOOL_TYPE_SIZE): Define.
809 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
811 * function.c (assign_stack_temp_for_type): Abort
812 if mode == Blkmode and align is less than
813 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
814 (assign_stack_temp_for_type): Round the size parameter
815 passed to assign_stack_local instead of size itself.
817 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
819 * flow.c (delete_unreachable_blocks): Mark blocks as they
820 are put on to the worklist, not as they are taken off.
822 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
824 * function.c (current_function_has_computed_jump): Remove duplicate
827 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
829 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
830 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
832 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
833 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
834 (INIT_SUBTARGET_OPTABS): Define to empty.
836 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
838 * sh.c (force_into): New function.
839 (expand_block_move): Use it.
841 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
843 * cccp.c (struct default_include): Add 'included' field.
844 (main): Set 'included' field when a default include directory
845 is added to the chain. If -v is specified list all default
846 include directories which do not get appended to the chain.
848 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
850 * configure.in (gxx_include_dir): Rename to
851 gcc_gxx_include_dir in order to prevent it being overridden by
852 a top level Makefile.
853 (gcc_tooldir): If $exec_prefix != $prefix then use the
854 difference between the two as the basis for gcc_tooldir.
856 * configure: Rebuild.
858 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
860 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
862 * unroll.c (copy_loop_body): Don't make extra copies of
863 NOTE_INSN_LOOP_CONT notes.
865 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
867 * tree.c (save_tree_status): Don't treat functions with no context
870 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
872 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
875 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
877 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
878 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
879 current_function_file): Add the `const' keyword.
880 (normal_memory_operand): Mark parameter `mode' with
882 (alpha_expand_unaligned_load): Add a default case to a switch.
884 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
885 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
886 (normal_memory_operand): Add prototype.
888 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
889 comparing against one.
891 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
893 * mips.c (abort_with_insn): Make function static, add a prototype,
894 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
895 (current_function_file, mips_cpu_string, mips_isa_string,
896 mips_abi_string, mips_no_mips16_string, mips_entry_string,
897 mips_move_1word, mips_move_2words, output_block_move, load_store,
898 override_options, make_temp_file, mips16_fp_args): Qualify a char*
899 with the `const' keyword.
901 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
902 mips_abi_string, mips_entry_string, mips_no_mips16_string,
903 mips_move_1word, mips_move_2words, output_block_move): Likewise.
904 (abort_with_insn): Remove extern prototype.
906 * mips.md: Qualify a char* with the `const' keyword.
907 Remove many unused variables named `label'.
909 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
911 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
913 (install-cpp, uninstall-cpp): New targets.
914 (install-normal): Depend on $(INSTALL_CPP).
915 (uninstall): Depend on $(UNINSTALL_CPP).
916 * configure.in (cpp_install_dir): New, substitute.
917 (tmake_file): Added t-install-cpp for --enable-cpp.
918 * configure: Rebuilt.
919 * cpp.sh: New cpp script.
920 * config/t-install-cpp: New target fragment.
922 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
923 Jeffrey A Law (law@cygnus.com)
925 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
927 (cse_insn): Avoid creating a bogus REG_EQUAL note for
928 (const (minus (label) (label)))
929 (record_jump_cond): Fix mismatched paren in comment.
931 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
933 * final.c (end_final): There are 11 words in the "main header"
936 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
938 * extend.texi: Reference __extension__ in the index.
940 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
942 * Makefile.in (CROSS_FLOAT_H): Delete.
943 (FLOAT_H): Use float_h_file.
944 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
946 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
947 (mostlyclean): Delete gloat.h reference.
948 (install-cross-rest, install-float-h-cross, stmp-headers): Update
950 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
951 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
952 (float_h_file): Set from float_format. Substitute into Makefile.in.
953 (float_format): No longer substitute into Makefile.in.
954 * cross-make (FLOAT_H): Delete.
955 * config/mips/t-cross64 (FLOAT_H): Delete.
956 * configure: Rebuilt.
958 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
960 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
961 insn to be an INSN before looking at its pattern.
963 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
965 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
966 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
967 HImode reg when TARGET_5200.
969 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
971 From Toshiyasu Morita:
972 * sh.h (CACHE_LOG): SH2 has cache, too.
974 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
976 * toplev.c (compile_file): Disable -ffunction-sections and
977 debugging warning if the object format is elf.
979 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
981 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
982 when the data in 8-bit area and can not be addressed by 8-bit.
984 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
986 * flow.c (create_basic_block): Disregard integrated bb notes.
988 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
990 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
992 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
994 * config/i386/t-sco5gas (crti.o): New target.
996 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
998 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
999 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
1000 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
1001 load_multiple, allocate_stack, call_indirect_aix32,
1002 call_indirect_aix64, call_value_indirect_aix32,
1003 call_value_indirect_aix64, call_indirect_nt,
1004 call_value_indirect_nt): Use gpc_reg_operand instead of
1007 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
1009 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
1010 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
1012 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
1013 allow andi. or andis. which always set cr0.
1015 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1017 * version.c: Bump for snapshot.
1019 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
1021 * invoke.texi: Update information for PA scheduling.
1023 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
1024 Mike Stump <mrs@wrs.com>
1026 * pa.c (override_options): Change default to 7100LC
1028 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
1029 float regs before right half of float regs.
1031 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
1032 Jeffrey A Law (law@cygnus.com)
1034 * frame.h: Update some comments.
1035 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
1036 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
1037 using TARGET_WEAK_ATTRIBUTE.
1038 (__do_global_dtors_aux): Check if __deregister_frame_info is
1039 zero before calling it.
1040 (__do_global_dtors): Likewise.
1041 (frame_dummy): Check if __register_frame_info is zero before
1043 (__frame_dummy): Likewise.
1045 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1047 * SERVICE: Update from the FSF.
1049 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1051 * config/i386/t-sco5 (crti.o): New target.
1052 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1054 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1056 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1058 * md.texi (prologue,epilogue): Document named patterns.
1060 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1062 * md.texi, invoke.texi: Fix unterminated @xrefs.
1064 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1066 * genattrtab.c (simplify_knowing): Fix uninitialized read
1069 * genextract.c (main): Clear recog_operands before extracting.
1071 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1073 * c-pragma.c (add_weak); Delete. Moved into...
1074 * varasm.c (add_weak): New external function.
1075 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1076 the list of weak functions.
1077 * c-pragma (add_weak): Declare.
1079 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1081 Flow rewrite to use basic block structures and edge lists:
1083 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1084 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1085 (struct edge_def): New.
1086 (struct basic_block_def): New.
1087 (basic_block_info): New.
1088 (BLOCK_HEAD, BLOCK_END): Update.
1089 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1090 (uid_block_number): Kill.
1091 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1092 (BLOCK_NUM): Update.
1093 * flow.c (XNMALLOC): Kill.
1094 (max_uid_for_flow): Kill.
1095 (uid_block_number): Kill.
1096 (uid_volatile): Turn into a bitmap.
1097 (SET_INSN_VOLATILE): New.
1098 (basic_block_info): New.
1099 (entry_exit_blocks): New.
1100 (x_basic_block_head, x_basic_block_end): Kill.
1101 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1102 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1103 (basic_block_loop_depth): Kill.
1104 (basic_block_for_insn): New.
1105 (find_basic_blocks): Split out initial block counting into
1106 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1107 (count_basic_blocks): New.
1108 (find_basic_blocks_1): Split out edge recognition, unreachable
1110 (create_basic_block): New.
1111 (compute_bb_for_insn): New.
1113 (free_bb_memory): Kill.
1114 (add_edge, add_edge_to_label): Kill.
1115 (mark_label_ref): Kill.
1116 (make_edges): Rewrite to use edge lists.
1117 (make_edge, make_label_edge): New.
1118 (mark_critical_edges): New.
1119 (split_edge, insert_insn_on_edge): New.
1120 (commit_one_edge_insertion, commit_edge_insertions): New.
1121 (delete_unreachable_blocks): Rewrite to use edge lists.
1122 Split out EH region manipulation into delete_eh_regions.
1123 Call tidy_fallthru_edge and merge_blocks.
1124 (delete_eh_regions): New.
1125 (delete_note_p): New.
1126 (delete_insn_chain): New.
1127 (delete_block): Split out code into delete_insn_chain and
1128 tidy_fallthru_edge. Update edge lists.
1129 (expunge_block): New.
1130 (flow_delete_insn): New?
1131 (can_delete_label_p): New?
1132 (merge_blocks_nomove, merge_blocks): New.
1133 (tidy_fallthru_edge): New.
1134 (calculate_loop_depth): New.
1135 (life_analysis): Allocate and free uid_volatile.
1136 (free_basic_block_vars): Update for new structures.
1137 (record_volatile_insns): Use SET_INSN_VOLATILE.
1138 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1139 (mark_used_regs): Likewise.
1140 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1141 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1142 life propagation from EXIT_BLOCK rather than last block. Clear
1143 regs_ever_live after mark_regs_live_at_end.
1144 (allocate_for_life_analysis): Update for new structures.
1145 (propagate_block): Split out loop depth calculation to
1146 calculate_loop_depth.
1147 (regno_uninitialized): Use bb->global_live_at_start.
1148 (regno_clobbered_at_setjmp): Likewise.
1149 (dump_bb_data): Likewise.
1150 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1151 (dump_flow_info): Update for new structures.
1152 (dump_edge_info): New.
1153 (print_rtl_with_bb): Update for new structues.
1154 (compute_preds_succs): Do no work -- convert edge lists.
1155 (set_block_for_insn): From corpse of old set_block_num.
1156 (set_block_num): Call it.
1158 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1159 * rtl.h (rtunion_def): Add bb entry.
1160 (NOTE_BASIC_BLOCK): New.
1161 (NOTE_INSN_BASIC_BLOCK): New.
1163 * varray.h (varray_data_tag): Add bb entry.
1164 (VARRAY_BB_INIT, VARRAY_BB): New.
1166 * emit-rtl.c (emit_label_before): New.
1168 * except.c (expand_rethrow): Delete insns following the call to
1169 rethrow. Put the REG_EH_RETHROW on the call.
1171 * jump.c (returnjump_p, returnjump_p_1): New.
1173 * expr.h (nonlocal_goto_handler_labels): New declaration.
1174 * function.c (nonlocal_goto_handler_labels): Define it.
1175 (push_function_context_to): Save it.
1176 (pop_function_context_from): Restore it.
1177 (init_function_start): Clear it.
1178 (nonlocal_label_rtx_list): Kill.
1179 * function.h (struct function): Add storage space for it.
1180 * stmt.c (expand_nl_handler_label): Return the new label.
1181 (expand_nl_goto_receivers): Collect a list of them in
1182 nonlocal_goto_handler_labels.
1184 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1185 (flow.o): Depend on insn-flags.h.
1187 * function.c (thread_prologue_and_epilogue_insns): Do not
1188 half-heartedly update bb structures.
1190 * toplev.c: Add flow2 dump as -dw.
1191 (rest_of_compilation): Finish .greg before flow2.
1193 * graph.c (draw_edge): Handle class 3.
1194 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1195 change non-fall-thru but adjacent to green class 3. Update
1196 to use new structures.
1198 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1200 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1202 (reg_to_stack): Initialize block_num to -1.
1204 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1205 to basic_block_live_at_start to bb->global_live_at_start.
1206 (try_combine): Likewise.
1207 (reg_dead_at_p): Likewise.
1208 * global.c (global_conflicts): Likewise.
1209 Handle stack regs on all abnormal edges, not just computed jumps.
1210 (mark_elimination): Update reference to basic_block_live_at_start.
1211 (build_insn_chain): Likewise.
1212 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1213 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1214 of nonlocal_label_rtx_list.
1215 (check_live_1): Update reference to basic_block_live_at_start.
1216 (update_live_1): Likewise.
1217 (find_pre_sched_live): Likewise.
1218 (find_post_sched_live): Likewise.
1219 * local-alloc.c (update_equiv_regs): Likewise.
1220 (block_alloc): Likewise.
1221 * reload1.c (reload, reload_combine): Likewise.
1222 * regmove.c (mark_flags_life_zones): Likewise.
1223 * resource.c (mark_target_live_regs): Likewise.
1224 * sched.c (schedule_block): Likewise.
1226 * regclass.c (regset_release_memory): Don't free
1227 basic_block_live_at_start.
1229 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1231 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1233 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1234 * fixinc.svr4: Likewise.
1236 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1237 rather than asserting it.
1239 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1241 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1242 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1243 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1246 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1247 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1248 scan-decls.o): Don't depend on machmode.h.
1250 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1251 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1253 * cppfiles.c: Likewise.
1255 * cpplib.c: Likewise.
1257 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1259 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1261 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1262 * objc/lang-specs.h: Likewise.
1264 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1266 * pa.md (call patterns): Lose unused argument to output_call.
1268 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1270 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1272 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1273 first argument. All callers changed.
1275 (cpp_lookup, cpp_install): Change all refs to hashtab to
1277 (cpp_hash_cleanup): Removed.
1278 * cpphash.h: Adjust prototypes.
1279 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1280 * cppinit.c (cpp_reader_init): Also allocate space for the
1282 (cpp_cleanup): Delete all macros and free the hashtab.
1284 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1286 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1289 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1290 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1291 * calls.c (expand_call): Likewise.
1293 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1295 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1296 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1297 arguments in registers.
1298 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1299 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1302 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1304 * cse.c (dump_class): Revert last change and make the prototype
1307 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1309 * rtl.h (insn_first_p): Don't declare.
1310 * rtlanal.c (insn_first_p): Delete.
1311 * loop.c (loop_insn_first_p): Faster implementation.
1313 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1315 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1316 (TARGET_3, TARGET_6): Delete.
1317 (ARM_FLAG_ARM[36]): Delete.
1318 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1319 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1320 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1321 * arm.c (arm_override_options): Delete warnings about deprecated
1324 * arm.c (arm_finalize_pic): Build the label into the special pic
1325 adjustment insn instead of issuing it separately.
1326 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1329 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1330 (*ne_zeroextractsi): New pattern.
1332 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1334 * stmt.c (expand_end_loop): Grok code emitted by
1335 expand_exit_loop_if_false.
1337 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1339 * config/arm/arm.c (return_in_memory): Float fields in unions
1340 force a return in memory.
1341 (load_multiple_sequence): Add comment explaining why two LDR
1342 instructions can be better than an LDMIA instruction.
1344 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1345 describing the real meaning of this option.
1346 (FIXED_REGISTERS): Default r10 to not-fixed.
1347 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1348 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1350 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1351 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1352 performing other checks.
1354 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1355 (extendhisi2): Undo previous change.
1356 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1357 ignored for armv4(t) architectures.
1359 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1362 * config/arm/riscix1-1.h
1363 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1365 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * cse.c (dump_class): Make the function definition static to match
1370 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1372 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1374 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1375 endian correction for parms passed in regs but living on the stack.
1377 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1379 * calls.c (initialize_argument_information): New function extracted
1381 (expand_call): Use initialize_argument_information. Remove variables
1382 which are no longer used due to cleanups.
1384 * calls.c (compute_argument_block_size): New function, extracted from
1386 (expand_calls): Use compute_argument_block_size. Delete
1387 original_args_size, use unadjusted_args_size instead.
1389 * calls.c (precompute_arguments): New function, extracted from
1391 (expand_call): Use precompute_arguments.
1393 * calls.c (finalize_must_preallocate): New function, extracted from
1395 (expand_call): Use finalize_must_preallocate.
1397 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1399 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1400 An alternative always fails if it needs a pseudo and no suitable
1401 register class can be found.
1403 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1405 * loop.h (loop_insn_first_p): Declare.
1406 * loop.c (loop_insn_first_p): No longer static.
1407 * unroll.c (iteration_info) Fix comparison to
1408 reg_iv_type->num_elements.
1409 Before accessing reg_biv_class, check index against
1410 max_reg_before_loop.
1411 Fix and enable code for giv iterators.
1412 (loop_iterations): Compare with reg_iv_type->num_elements instead
1413 of with max_reg_before_loop.
1415 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1417 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1419 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1421 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1422 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1424 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1426 * config/i386/i386.md: fix typoe.
1428 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1430 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1431 frame_pointer_needed adjust frame size.
1432 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1433 in .frame pseudo-op.
1434 Frm Jim Wilson <wilson@cygnus.com>:
1435 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1436 when TARGET_MIPS16 && frame_pointer_needed.
1438 1999-02-22 Nick Clifton <nickc@cygnus.com>
1440 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1441 Add -mno-sched command line switch to disable scheduling of
1442 instructions into the function's prologue.
1443 (enum processor_type): Remove.
1444 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1445 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1446 fields with 'processors' field.
1447 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1448 checking is not enabled.
1449 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1451 * config/arm/arm.c: (arm_cpu): Remove.
1452 (tune_flags): Remove.
1453 (arm_is_strong): New variable: true iff the target processor is a
1455 (arm_is_6_or_7): New variable: true iff the target processor is an
1457 (arm_select): Fields reorganised.
1458 (struct processors): processor_type field removed.
1459 (all_procs): Remove.
1460 (all_cores): New array: Definitions of all known ARM cpu cores.
1461 (all_architectures): New array: Definitions of all known ARM
1464 (FL_SCHED): New processor flag: processor required load
1466 (FL_STRONG): New processor flag: processor is a StrongARM.
1467 (arm_override_options): Reorganised to make code clearer.
1468 (use_return_insn): Test for "not (TARGET_APCS and
1469 frame_pointer_needed)".
1470 (arm_return_in_memory): Improve handling of structures.
1472 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1473 "is_strongarm" and "is_arm_6_or_7" attributes.
1474 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1476 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1478 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1480 1999-02-22 Philip Blundell <philb@gnu.org>
1482 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1483 definition with one including cache synchronisation.
1484 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1485 Move definition of inhibit_libc to...
1486 * config/arm/xm-linux.h: ... here.
1488 * config/arm/t-linux: Disable multilib configurations since the
1489 only effect for most people is to cause builds to fail.
1491 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1492 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1494 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1495 (HANDLE_SYSV_PRAGMA): Likewise.
1496 (LIB_SPEC): Copy definition from generic Linux files.
1497 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1498 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1499 (DWARF2_DEBUGGING_INFO): Define.
1500 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1502 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1504 * loop.c (libcall_other_regs): Make extern.
1505 * rtl.h (find_last_value): Add parameter to prototype.
1506 (libcall_other_reg): Add extern declaration.
1507 * rtlanal.c (find_last_value): Add another parameter to allow
1508 a definition using a hardware register to be found as well.
1510 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1512 * cse.c (dump_class): New function.
1513 (invalidate_memory): Fix typo in comment.
1514 * function.c (temp_slot): Add an alias set field.
1515 (assign_stack_temp): Only reuse slots if they will have the
1516 same alias set as before.
1517 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1519 * rtl.c (copy_rtx): Copy all the flags (in particular,
1522 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1524 * configure.in (i[34567]86-*-linux-gnu*,
1525 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1526 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1529 * configure: Rebuilt.
1531 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1534 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1536 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1537 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1538 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1541 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1543 * objc/objc-act.c (encode_type): Temporary revert to the old
1544 behavior of encoding types as the new one seems to break the
1545 encoding of bitfields.
1547 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1548 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1550 * Makefile.in (all.internal, all.cross): Depend on `doc'
1551 target, to ensure docs get made before installation.
1554 Decrease spurious warnings from -fsyntax-only:
1555 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1557 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1559 * c-lex.c (yylex): Replace warning about integer constants being
1560 larger than long-longs, with a warning about integer constants
1561 being larger than the largest target integer.
1563 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1565 Fix -fsyntax-only ICEs:
1566 * varasm.c (assemble_zeros, assemble_variable,
1567 output_constant_def): Do nothing when -fsyntax-only.
1569 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1571 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1572 * configure: Rebuilt.
1574 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1576 * version.c: Bump for snapshot.
1578 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1580 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1581 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1582 * tm.texi: Update docs for constructors and destructors.
1584 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1586 * genattrtab.c (check_attr_value): Allow negative const_int if
1587 negative_ok. Accept integral arithmetic operators. Accept
1588 direct references to other attributes. Accept symbol_ref in
1589 non-constant attributes.
1590 (max_attr_value): Add new argument `unknownp'. Update all callers.
1591 (or_attr_value): Likewise.
1592 (simplify_knowing): Don't optimize if max_attr_value unknown.
1593 (write_length_unit_log): Likewise with or_attr_value.
1594 (find_and_mark_used_attributes): Don't fallthru case.
1595 (write_attr_set): Pass thru all non-cond expressions.
1596 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1598 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1600 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1602 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1604 * regmove.c (discover_flags_reg): Remove cc0 code.
1605 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1606 a potential flags register was identified.
1608 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1610 * rs6000.md (scc plus ltu): Fix typo in last change.
1612 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1614 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1616 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1618 * regmove.c (discover_flags_reg): New function.
1619 (flags_set_1, mark_flags_life_zones): New functions.
1620 (regmove_optimize): Call them.
1621 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1623 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1625 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1627 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1628 Use loop_insn_first_p.
1630 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1631 David Edelsohn <edelsohn@gnu.org>
1633 * rs6000.md (scc plus eq): Fix output template.
1634 (scc plus ltu): Fix output template and collapse variants
1635 correcting early clobbers.
1636 (scc plus geu): Fix output template.
1637 (scc plus gt): Fix output template.
1638 (scc plus gtu): Fix output template and collapse variants.
1640 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1642 * cppinit.c (print_help): Remove unescaped newline in string.
1644 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1646 * loop.c (strength_reduce): Check for intervening jumps when
1647 converting biv increment to giv.
1649 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1651 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1652 * expr.c (expand_expr): Support new tree nodes.
1654 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1656 * config/m68k/m68k.c (m68k_align_loops_string,
1657 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1658 * config/m68k/m68k.h (m68k_align_loops_string,
1659 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1661 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1663 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1665 * bitmap.h (bitmap_print): Likewise.
1667 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1669 * c-lang.c (build_objc_string): Likewise.
1671 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1672 limits.h or ctype.h. Remove unused variable `p'.
1674 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1676 * c-pragma.c (handle_pragma_token): Likewise.
1678 * c-pragma.h (handle_pragma_token): Likewise.
1680 * c-tree.h (build_objc_string, builtin_function, grokfield,
1681 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1682 pedwarn_init): Likewise.
1684 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1685 push_string, warning_init, incomplete_type_error,
1686 build_indirect_ref, lvalue_or_else, readonly_warning,
1687 build_c_cast, spelling, push_member_name, print_spelling,
1688 error_init, pedwarn_init, start_init): Likewise.
1690 * objc/objc-act.c (build_objc_string): Likewise.
1692 * print-tree.c (print_node_brief, print_node): Likewise.
1694 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1696 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
1698 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1700 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1702 * configure.in :Handle OpenBSD platforms.
1703 * configure: Rebuilt.
1704 * config/openbsd.h: New file.
1705 * config/xm-openbsd.h: New file.
1706 * config/t-openbsd: New file.
1707 * config/t-openbsd-thread: New file.
1709 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1711 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1712 assign_stack_local for BLKmode slots.
1714 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1716 * loop.c (strength_reduce): For derived givs, replace the
1717 giv this was derived from with its new_reg.
1718 (recombine_givs): Don't set new_reg for derived giv.
1719 And don't print it, print SUM instead.
1721 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1723 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1725 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1727 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1728 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1730 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1731 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1732 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1733 cpp_pending, version_string, struct default_include,
1734 include_defaults_array, path_include, cpp_options_init,
1735 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1736 cpp_reader_init, nreverse_pending, push_pending, print_help,
1737 cpp_handle_option, cpp_handle_options, cpp_finish,
1738 cpp_cleanup): Move to cppinit.c.
1739 (macro_cleanup, struct arglist, collect_expansion,
1740 create_definition, compare_defs, comp_def_part, ARG_BASE,
1741 struct argdata, macarg, change_newlines, timestamp,
1742 monthnames, special_symbol, unsafe_chars, macroexpand,
1743 push_macro_expansion): Move to cpphash.c.
1744 (quote_string, check_macro_name, cpp_expand_to_buffer,
1745 output_line_command, cpp_undef): Export.
1746 (null_underflow, null_cleanup, handle_directive): Make static.
1748 * cpplib.h: Prototype now-exported functions. Adjust decls of
1749 syntax tables so we can include cpplib.h in cppinit.c.
1750 * cpphash.h: Prototype all functions exported by cpphash.c.
1751 * cppinit.c: Make syntax tables initialized data if possible
1752 (uses GCC designated-initializer extension).
1753 * cppexp.c: Make cpp_lex static.
1754 * Makefile.in: Move -D switches for the various include dirs
1755 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1757 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1759 * alpha/openbsd.h: New file.
1760 * alpha/xm-openbsd.h: New file.
1761 * sparc/openbsd.h: New file.
1762 * sparc/xm-openbsd.h: New file.
1763 * m68k/openbsd.h: New file.
1764 * m68k/xm-openbsd.h: New file.
1765 * i386/openbsd.h: New file, originally from netbsd.
1766 * i386/xm-openbsd.h: New file.
1768 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1770 * Makefile.in: Correct dependencies for cpplib object files.
1772 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1774 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1777 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1779 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1782 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1784 * tree.c (tree_node_kind_names, print_obstack_name,
1785 get_identifier, maybe_get_identifier, build_string,
1786 build_expr_wfl, is_attribute_p, lookup_attribute,
1787 print_obstack_statistics, get_file_function_name_long, tree_check,
1788 tree_class_check, expr_check): Qualify a char* with the `const'
1791 * tree.h (get_identifier, maybe_get_identifier, build_string,
1792 build_expr_wfl, is_attribute_p, lookup_attribute,
1793 print_obstack_statistics, print_obstack_name, tree_check,
1794 tree_class_check, expr_check): Likewise.
1796 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1798 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1801 * calls.c (store_one_arg): Mark any slots used for the argument
1802 as in-use immediately after we're done saving any slots which
1803 will be overwritten by this argument.
1805 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1807 * rs6000.md (call_value): Fix typo.
1809 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1811 * loop.c (strength_reduce): Calculate maybe_dead before
1812 calling recombine_givs.
1814 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1816 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1818 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1820 * objc/objc-act.c (encode_type): Encode the type instead of
1821 encoding the mode of the type (patch from Richard Frith-Macdonald
1822 <richard@brainstorm.co.uk>).
1824 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1826 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1827 instruction killed in previous change. Simplify mask generation.
1828 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1830 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1832 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1833 bitfield does not overflow a byte boundary.
1835 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1837 * c-common.c (shorten_compare): Get the min/max value from the
1838 underlying type of an enumeration, not the enumerated type itself.
1840 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1842 * jump.c: Include insn-attr.h.
1843 (delete_computation): If reload has completed and insn scheduling
1844 after reload is enabled, then do not depend on REG_DEAD notes.
1845 * Makefile.in (jump.o): Depend on insn-attr.h.
1847 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1849 * i386.md (addsi3): Allow lea for any constant_p.
1851 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1853 * toplev.c (documented_lang_options): Remove -fident and
1854 -fnoident, which are now handled by the language independent
1857 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1859 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1860 * c-lex.c: Likewise.
1861 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1862 list in malloced memory for the buffer stack.
1863 (cpp_get_token): Don't pop the last buffer off the stack.
1864 Calls after CPP_EOF has been returned produce CPP_EOF with no
1866 (cpp_finish): Pop last buffer here.
1867 (do_line): Don't free ip->last_nominal_fname if it is equal to
1869 (special_symbol): If a T_CONST is the empty string, push a
1870 single `@ ' escape instead.
1871 (macroexpand): Special symbol buffers have escapes too.
1872 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1874 (struct cpp_reader): Remove buffer_stack. Add
1876 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1879 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1882 WIDE_INT with WIDEST_INT.
1885 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
1886 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
1887 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
1888 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
1889 definition of variable `c89' when compiling a test binary and set it.
1891 * system.h: Don't define the PRINTF_PROTO_* macros.
1893 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
1895 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
1896 we do not understand, mark the loop and containing loops as invalid.
1898 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1900 * alias.c (init_alias_analysis): Avoid self-referential value
1901 when setting reg_known_value from REG_EQUAL notes.
1903 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1905 * i386.c (legitimate_address_p): Verify modes of base and index.
1907 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1909 * i386.c (legitimate_pic_address_disp_p): Remove static.
1910 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1913 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1915 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1916 * explow.c (probe_stack_range): Likewise.
1917 * expmed.c (do_cmp_and_jump): Likewise.
1918 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1919 (do_tablejump): Likewise.
1920 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1921 (do_jump_if_equal, emit_case_nodes): Likewise.
1922 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1923 then convert comparison to an unsigned code before emitting the jump.
1924 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1926 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1928 * version.c: Bump for snapshot.
1930 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1932 * version.c: Bump for snapshot.
1934 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1936 * loop.c: Disable recent loop changes. Temporary as Joern
1937 continues to fix problems.
1939 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1941 * loop.c (combine_givs_used_by_other): Delete.
1942 (combine_givs_benefit_from): Delete.
1943 (combine_givs): Deny combination of givs only used once. Simplify
1944 code with the death of combine_givs_benefit_from.
1946 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1948 * loop.c (scan_loop): Call reg_in_basic_block_p before
1949 loop_reg_used_before_p.
1951 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1953 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1957 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1958 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1959 in the constant pool aren't valid.
1960 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1962 * arm.c: Include "system.h", not stdio.h and string.h.
1964 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1966 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1967 (optimize_tail_recursion): Change return type from void to int.
1968 Add return statements.
1969 * tree.h (optimize_tail_recursion): Change prototype to match.
1971 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1973 * reload.c (find_reloads_subreg_address): New function, broken out of
1974 find_reloads_toplev.
1975 (find_reloads_toplev, find_reloads_address_1): Use it.
1977 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1979 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1980 extending a CONST_INT.
1982 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1984 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1986 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1988 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1990 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1992 * loop.c (load_mems): Don't guess how to do a load / store, use
1995 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1997 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1999 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2001 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
2003 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
2005 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
2006 pseudo which is homed in the stack.
2008 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
2009 (compute_frame_size): Change loop over FP regs to be consistent
2010 with the loop in save_restore_insns.
2012 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
2014 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
2015 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
2017 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
2019 * mn10200.md (bset); Re-enable.
2021 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2023 * sh.md (is_sfunc): New attribute.
2024 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
2026 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
2028 * fold-const.c (range_binop): Take account of the bounded nature
2029 of fixed length arithmetic when comparing unbounded ranges.
2031 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
2033 * function.c (assign_stack_temp_for_type): Clear best_p
2034 when an exact match is found.
2036 * i386.h (LOCAL_ALIGNMENT): Define.
2037 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
2038 (assign_stack_temp_for_type): New function based on assign_stack_temp.
2039 (assign_stack_temp): Call it.
2040 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
2041 * stmt.c: Use assign_temp, not assign_stack_temp.
2042 * tm.texi: Document LOCAL_ALIGNMENT.
2044 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2046 * reorg.c: Finish deleting half-deleted comment.
2048 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2050 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2052 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2054 * real.c (endian): Delete sign extension code.
2055 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2056 replaced with operand_subword call.
2058 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2060 * alpha.md (cmov compound patterns): Delete. Jump can now
2061 create the correct constructs in the first place.
2063 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2065 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2067 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2069 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2071 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2073 * tmp-emsgids.c: Delete.
2075 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2077 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2080 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2082 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2084 * reload1.c (reload_combine_note_store): Second argument is no
2085 longer unused/ignored. Handle multi-register hard regs.
2086 (move2add_note_store): Simplify.
2088 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2090 * collect2.c (collect_execute): Remove cygwin-specific code.
2092 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2094 * system.h (_, N_): Remove dummy i18n macros.
2095 * protoize.c: Move inclusion of intl.h to after system.h.
2096 * cexp.y: Include intl.h.
2099 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2101 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2102 fpic/fPIC for windows32 targets.
2103 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2105 * i386/mingw32.h (CPP_SPEC): Define.
2106 (CPP_PREDEFINES): Add MINGW32 version id.
2107 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2109 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2110 add missing exeext to target.
2112 * gcc.c (convert_filename): Handle null filename argument.
2114 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2116 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2117 m constraint instead of QT.
2119 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2121 * cpplib.c (special_symbol): Move IP to be declared in function
2122 scope, rather than individual case statements.
2124 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2126 * cppfiles.c (finclude): Handle pipes properly under old BSD
2129 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2131 * system.h: Provide fallback definitions for S_ISCHR,
2132 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2134 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2136 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2138 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2140 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2141 "740", and "750" as valid arguments to --with-cpu.
2142 * configure: Rebuilt.
2144 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2146 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2147 * configure: Rebuilt.
2149 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2151 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2152 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2154 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2156 * output.h (current_function_has_computed_jump): Rename from
2157 current_function_addresses_labels.
2158 * function.h (struct function): Likewise for addresses_labels member.
2159 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2160 * function.c (current_function_has_computed_jump): Likewise.
2161 Update all references.
2162 * integrate.c (function_cannot_inline_p):
2163 Test current_function_has_computed_jump instead of addresses_labels.
2164 (initialize_for_inline): Likewise save.
2165 (output_inline_function): Likewise restore.
2167 * expr.c (expand_expr): Don't reference addresses_labels variables.
2168 * stmt.c (expand_computed_goto): Set has_computed_jump.
2170 1999-02-08 Michael Meissner <meissner@cygnus.com>
2172 This is being installed only to get it into the repository to help
2173 with the revert, resubmit & review process for the massive rs6000.md
2175 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2177 (anddi3_internal1): Ditto.
2178 (andsi3_internal{2,3}): Correct some insn lengths.
2179 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2182 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2184 * loop.c (reg_single_usage): New file-scope variable ...
2185 (scan_loop): ... moved out of here. Always initialize.
2186 Test loop_has_call instead of reg_single_usage not zero.
2187 Free reg_single_usage after strength reduction.
2188 (count_loop_regs_set): Assume single_usage non-zero.
2189 (combine_givs_used_by_other): Test reg_single_usage.
2190 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2191 as a parameter. Assume non-zero.
2193 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2195 * cpplib.c (special_symbol): Rewrite. Don't copy things
2196 multiple times. Handle __STDC__ specially. T_CONST
2197 indicates a constant /string/. Don't handle T_*_TYPE and
2198 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2199 adjust_position. Determine the file buffer only if needed.
2200 (initialize_builtins): Handle __SIZE_TYPE__,
2201 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2202 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2203 Don't provide __OBJC__; the driver does that. Provide
2204 __STDC_VERSION__, using T_CONST. Use T_STDC for
2205 __STDC__. Give install the length of all symbols defined.
2206 (eval_if_expression): Drop code to insert and remove the
2207 "defined" special symbol.
2209 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2210 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2212 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2213 the `value' parameter. All callers changed.
2214 * cpphash.h (install): Change prototype to match.
2215 (union hashval): Remove `ival' member.
2216 * cppexp.c (cpp_lex): Handle `defined' here.
2218 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2220 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2222 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2224 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2225 initialization of unions whose first member is a bitfield.
2226 Remove unnecessary code for checking the declaration mode
2227 after DECL_C_BIT_FIELD.
2229 * varasm.c (output_constructor): Additional comment about the
2230 constructor of bitfield union initialization.
2232 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2234 * config/c4x/c4x.md (*movhi_stik): New pattern.
2235 (movhi): Allow some immediate constants to be directly
2238 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2240 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2241 (call, call_value): Force address into a register if not valid
2242 for a call instruction.
2243 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2245 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2247 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2249 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2250 Rename from call_operand and symbolic_operand respectively. All
2252 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2254 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2256 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2258 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2260 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2261 LO_SUM address for HImode or HFmode but instead force address into
2262 a register so that it is offsettable.
2263 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2265 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2267 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2268 REG+REG addressing if strength reduction enabled.
2270 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2272 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2273 (TARGET_LIBGCC2_CFLAGS): Define.
2275 1999-02-08 Nick Clifton <nickc@cygnus.com>
2277 * config/v850/v850.md: Replace \\n\\t with \\;
2279 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2280 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2281 Enforce TARGET_LONG_CALLS option.
2283 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2285 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2287 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2289 * m88k/t-luna-gas: Remove bash dependency.
2291 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2293 * collect2.c (xrealloc): Fix typo in last change.
2295 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2297 * version.c: Bump for snapshot.
2299 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2301 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2302 that we do not want macro replacement within a character constant.
2303 (TYPE_CHECK1): Likewise.
2305 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2307 * tree.h (DECL_P): New macro.
2309 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2311 * version.c: Bump for snapshot.
2313 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2315 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2317 * README.g77, gcc.c, gcc.texi: Update email addresses.
2318 * invoke.texi system.h: Likewise.
2320 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2322 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2323 to convert dest_reg to new_reg.
2325 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2327 * reload1.c (reload_combine_note_store): Be more careful with
2328 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2329 (move2add_note_store): Likewise.
2331 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2334 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2337 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2339 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2342 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2343 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2344 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2345 (CPP_CPU_ARCH_SPEC): Likewise.
2346 (enum processor_type): Likewise.
2347 * config/arm/arm.md (attr cpu): Add arm9.
2349 General scheduling changes
2350 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2351 (max_insns_skipped): New variable.
2352 (arm_override_options): If generating hard floating point code for
2353 the FPA, emit code for version 3.
2354 When optimizing for space, don't synthesize constants.
2355 Reword several flags based on the requested processor and optimization
2357 (use_return_insn): New argument iscond, all callers changed. Don't
2358 use a return insn if it will be conditional and that would be
2359 expensive; eg on StrongARM.
2360 (arm_adjust_cost): Anti- and output- dependencies normally have no
2362 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2363 the sequence is short.
2364 (final_prescan_insn): Use max_insns_skipped instead of
2365 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2366 conditional, and aviod this if it would be expensive.
2367 * config/arm/arm.md (scheduling attributes and function units):
2368 Rewrite to better describe ARM8, 9 and StrongARM.
2370 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2372 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2373 arm_rhsm_operand. Rework constraints.
2374 (*if_plus_move): Likewise.
2375 (*ifcompare_move_plus): Likewise.
2376 (*if_move_plus): Likewise.
2377 (*ifcompre_arith_move): Likewise.
2378 (*if_arith_move): Likewise.
2379 (*ifcompare_move_arith): Likewise.
2380 (*if_move_arith): Likewise.
2382 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2384 1999-02-05 Michael Meissner <meissner@cygnus.com>
2386 * loop.c (check_dbra_loop): A store using an address giv for which
2387 we have no life information is not reversible.
2389 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2391 * function.c (fixup_var_refs): Scan catch_clauses too.
2393 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2395 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2396 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2398 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2400 * loop.c (strength_reduce): Clear not_every_iteration when
2401 passing the NOTE_INSN_LOOP_CONT note.
2403 * haifa-sched.c (add_dependence): Do not add a dependency on a
2406 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2408 * recog.c (split_block_insns): Only call update_flow_info if
2409 instruction scheduling is enabled.
2411 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2413 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2415 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2417 * loop.c (first_loop_store_insn): New file-scope variable.
2418 (prescan_loop): Set it.
2419 (check_dbra_loop): Check if a store depends on a register
2420 that is set after the store.
2422 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2424 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2425 Replace spaces with tabs where appropriate.
2427 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2429 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2430 (strength_reduce): New argument loop_cont. Changed caller.
2431 Before clearing not_every_iteration after a label, check if
2432 we are not already past LOOP_CONT.
2434 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2436 * cpperror.c (cpp_print_containing_files): Fix formatting
2437 bug induced by merge.
2439 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2441 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2442 (cpp_define): Remove redundant syntax checks.
2443 (make_assertion): Rename cpp_assert, remove redundant syntax
2445 (cpp_options_init): Don't init things to zero twice.
2446 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2447 (do_include): Kill excessively verbose #import warning that
2448 snuck back in in the gcc2 merge.
2449 (convert_string): Removed.
2450 (do_line): Rewrite with simple last-name-used cache instead of
2452 (cpp_start_read): Call initialize_char_syntax here, not...
2453 (cpp_reader_init): ...here.
2454 (cpp_handle_options): Support the -std switch.
2455 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2456 (cpp_options): Add c9x flag.
2457 Declare all the is_* tables and trigraph table here, as const.
2458 Prototype cpp_assert and initialize_char_syntax.
2459 * cppinit.c: New file.
2460 * cppfiles.c (read_and_prescan): Optimize.
2461 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2463 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2465 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2466 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2467 before calling gen_div_trap.
2469 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2471 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2472 than numeric value for target_cpu_default..
2473 * configure: Rebuilt.
2475 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2477 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2478 mkstemp. Get them from libiberty.
2479 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2480 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2481 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2482 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2484 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2486 * pa-hpux.h (LINK_SPEC): Likewise.
2487 * pa-hpux10.h (LINK_SPEC): Likewise.
2488 * pa-hpux9.h (LINK_SPEC): Likewise.
2489 * pa-osf.h: (LINK_SPEC): Likewise.
2490 * pa-pro.h (TARGET_DEFAULT): Likewise.
2491 * pa1.h (TARGET_DEFAULT): Likewise.
2492 * pa.h (MASK_*): New defines.
2493 (TARGET_*): Use symbolic values rather than numeric values.
2494 (TARGET_SWITCHES): Likewise.
2495 (TARGET_DEFAULT): likewise.
2496 (CPP_SPEC): likewise.
2498 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2500 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2501 * reload.c (find_reusable_reload): New function, broken out of
2502 push_reload. Add code to verify that none of the involved
2503 outputs are subject to earlyclobbers.
2504 (push_reload): Break out new function find_reusable_reload.
2505 Delete "register" keyword for IN, OUT args.
2507 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2509 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2510 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2511 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2512 Use true_reg_or_0_operand for div_trap.
2514 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * loop.h (express_from): Declare.
2517 (struct induction): Replace derived flag with derived_from pointer.
2518 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2519 (express_from): No longer static.
2520 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2521 When processing an address giv with which another giv has been
2522 combined that has also been derived from a third giv, handle like
2523 having combined with the third giv.
2524 Set splittable_regs_updates appropriately for derived givs.
2526 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2528 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2530 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2532 * pa.c (insn_sets_and_refs_are_delayed): New function.
2533 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2534 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2536 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2538 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2539 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2540 (TARGET_LIBGCC2_CFLAGS): Define.
2541 (LIBGCC2_DEBUG_CFLAGS): Define.
2542 * config/arm/t-netbsd: Likewise.
2543 * config/arm/t-semi: Likewise.
2544 * config/arm/t-semiaof: Likewise.
2545 * config/arm/t-riscix: Likewise.
2547 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2549 * config/m68k/m68k.c (print_operand_address): When printing a
2550 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2552 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2554 * i386/freebsd*.h now allows '$' in label names and does not use the
2555 PCC struct return method.
2557 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2559 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2560 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2561 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2562 names if host == target.
2563 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2564 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2565 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2566 setting them to *_FOR_TARGET.
2567 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2570 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2572 * toplev.h (read_integral_parameter): Declare.
2573 * toplev.c (read_integral_parameter): New function.
2575 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2577 * resource.c, resource.h: New files.
2578 * Makefile.in (OBJS): Add it.
2580 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2581 (split_block_insns): Moved to recog.c.
2582 (update_flow_info): Make public.
2583 * rtl.h: Declare them.
2585 * reorg.c: Moved the functions dealing with computing resource
2586 usage to resource.c.
2588 * sched.c (regno_use_in): Moved to rtlanal.c.
2589 (update_flow_info): Make public.
2590 (schedule_insns): Use split_block_insns.
2592 * recog.c (split_block_insns): New function.
2594 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
2596 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2597 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2599 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2601 * configure.in (arm-*-oabi): Support.
2602 * configure: Regenerate.
2603 * config/arm/unknown-elf-oabi.h: New file.
2605 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2607 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2608 Make the anonymous pattern match when ! optimize_size.
2609 (ashlsi3 size optimizer): New pattern.
2611 * intl/Makefile.in (uninstall): Add missing "; \".
2613 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2615 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2618 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2620 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2621 to after find_and_verify_loops call.
2623 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2625 * (recombine_givs): Don't use a giv that's likely to be dead to
2628 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2629 wrap around when deriving givs.
2631 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2633 * recog.c (check_asm_operands): Treat indeterminate operand ok
2634 results as success. Try harder to resolve a matching constraint.
2635 * stmt.c (expand_asm_operands): Recognize when an output operand's
2636 constraint does not allow memory. Treat indeterminate operand ok
2637 results as failure. Try harder to resolve a matching constraint.
2639 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2641 Use varrays for constant-equivalence data:
2643 * varray.h (struct const_equiv_data): New type.
2644 (union varray_data_tag): New element const_equiv.
2645 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2646 (VARRAY_SIZE): New macro, returns number of elements.
2647 * integrate.h: Include varray.h.
2648 (struct inline_remap): Replace const_equiv_map, const_age_map and
2649 const_equiv_map_size with a const_equiv_varray element.
2650 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2652 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2653 simultaneously, growing the varray if needed.
2655 * integrate.c (global_const_equiv_map,
2656 global_const_equiv_map_size): Deleted, replaced by....
2657 (global_const_equiv_varray): New variable.
2658 (expand_inline_function): References changed.
2659 * integrate.h: Update declarations.
2661 * integrate.c (process_reg_parm, expand_inline_function,
2662 copy_rtx_and_substitute, try_constants, subst_constants,
2663 mark_stores): Use varray allocation and accessor macros, new
2664 integrate.h macros, and global_const_equiv_varray. Don't
2665 conditionalize non-NULL stores on array size; instead, expand the
2667 * unroll.c (unroll_loop): Likewise.
2669 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2670 zero. After allocating varray, always exit through bottom of
2671 function, where it can be deallocated if needed. Don't explicitly
2672 reallocate const_equiv_map storage; instead, just ensure the
2673 varray has been initialized, and update the global reference.
2675 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2679 * dwarf2out.c (inline): Don't define.
2681 * dwarfout.c (inline): Likewise.
2683 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2685 * loop.c (recombine_givs): Dump recombination and derivation data.
2687 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2689 * flags.h: Declare flag_no_ident.
2690 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2691 * c-tree.h: Don't declare flag_no_ident.
2692 * c-decl.c: Don't define flag_no_ident. Don't process
2693 -f(no-)ident switches here.
2695 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2696 only if !flag_no_ident.
2697 * config/ptx4.h: Likewise.
2698 * config/svr4.h: Likewise.
2699 * config/alpha/elf.h: Likewise.
2700 * config/arm/linux-elf.h: Likewise.
2701 * config/i386/sco5.h: Likewise.
2702 * config/i860/fx2800.h: Likewise.
2703 * config/mips/gnu.h: Likewise.
2704 * config/i386/osfrose.h: Likewise.
2706 * gcc.c (C specs): Map -Qn to -fno-ident.
2707 * objc/lang-specs.h: Likewise.
2709 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2711 * configure.in: Don't remove loop.o and unroll.o when
2712 enable-haifa is selected.
2713 * configure: Rebuilt.
2715 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2717 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2718 movxfcc, movdicc): Delete unconstrained alternatives.
2719 * i386.c (output_fp_conditional_move,
2720 output_int_conditional_move): Delete unused case.
2722 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2724 * version.c: Bump for snapshot.
2726 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2728 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2729 instead of bis and cpys. Combine alternatives where possible.
2731 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2733 * gcov.c (fnotice): Add missing FILE* parameter.
2734 (function_summary): Fix format specifiers in calls to `fnotice'.
2735 (output_data): Likewise.
2737 * toplev.c (fnotice): Constify char* parameter.
2739 * toplev.h (fnotice): Add prototype.
2740 Wrap prototype with BUFSIZ to protect FILE* usage.
2742 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2744 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2746 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2748 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2750 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2751 function definition.
2752 (aliases_everything_p, write_dependence_p):Likewise.
2754 * install.texi: Fix merge lossages.
2756 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2758 * collect2.c (main): Likewise.
2759 * cppmain.c (main): Likewise.
2760 * gcc.c (main): Likewise.
2761 * gcov.c (main): Likewise.
2762 * protoize.c (main): Likewise.
2763 * toplev.c (main): Likewise.
2765 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2768 * loop.c: Disable recent loop changes. Temporary as Joern
2769 continues to fix problems.
2771 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2773 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2775 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2777 * emit-rtl.c (remove_insn): New function.
2778 * rtl.h (remove_insn): Add prototype.
2779 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2781 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2783 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2785 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2788 when declaring arguments and calling va_arg() to initialize them.
2790 * collect2.c (notice): Likewise.
2792 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2794 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2796 * collect2.c (error): Fix typo in declaration.
2798 * cpperror.c (cpp_message): Likewise.
2800 * cpplib.c (cpp_warning): Likewise.
2802 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2805 * toplev.c (error): Fix typo in declaration.
2807 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2809 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2810 forward from cont dominator.
2812 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * cccp.c (eprint_string): Constify a char*.
2815 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2816 (vnotice): Constify a char*.
2817 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2818 (verror): Constify a char*.
2819 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2820 (vwarning): Constify a char*.
2821 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2823 (verror_with_line): Constify a char*.
2824 (vwarning_with_line): Likewise.
2825 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2827 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2829 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2830 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2831 Also correct typo in parameter name declaration.
2832 (make_assertion): Constify a char*.
2833 (quote_string_for_make): Likewise.
2834 (deps_output): Likewise.
2835 (fatal): Likewise. Use PVPROTO not VPROTO, add
2836 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2837 "__attribute__ ((noreturn))".
2838 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2839 (pfatal_with_name): Likewise.
2840 (pipe_closed): Likewise.
2841 (memory_full): Likewise.
2843 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2845 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2846 may_not_optimize to proper size when converting biv increments
2848 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2851 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2853 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2854 generate complex adds. Changed caller.
2855 Don't generate adds that cost more than the original one.
2856 (strength_reduce): Warning fixes.
2858 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2860 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2861 * configure: Rebuilt.
2863 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2865 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2866 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2867 * loop.h (varray.h): Include.
2868 (struct induction): Change combined_with to unsigned.
2869 New members derived, ix and last_use.
2870 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2871 (REG_IV_TYPE, REG_IV_INFO): Define.
2872 (first_increment_giv, last_increment_giv): Declare.
2873 * loop.c (loop_number_loop_cont): New static variable.
2874 (loop_number_cont_dominator): Likewise.
2875 (reg_iv_type, reg_iv_info): Now varray_type.
2876 (first_increment_giv, last_increment_giv): New variables.
2877 (compute_luids, verify_dominator, find_life_end): New functions.
2878 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2879 (loop_optimize): Allocate loop_number_loop_cont and
2880 loop_number_cont_dominator. Use compute_luids.
2881 (find_and_verify_loops): Initialize loop_number_loop_cont and
2882 loop_number_cont_dominator.
2883 (strength_reduce): Try to find bivs that can be expressed as givs
2884 of another biv, and to convert biv increments into givs.
2885 Call recombine_givs. Handle derived givs.
2886 (record_biv): New argument location. All callers changed.
2887 (record_giv): Initialize derived and last_use fields.
2888 (basic_induction_var): New argument location. All callers changed.
2889 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
2890 Increment combined_with instead of setting to 1.
2891 * unroll.c (derived_regs): New static variable.
2892 (unroll_loop): Initialize it.
2893 Allocate local_regno according to max_reg_num.
2894 (copy_loop_body): Cope with derived givs.
2895 (find_splittable_givs): Check for Givs made from biv increments.
2896 Set derived_regs for givs.
2897 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
2899 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2901 * function.c (purge_addressof_1): Handle case when a register
2902 has been used in a wider mode.
2904 1999-01-27 Bruce Korb <autogen@linuxbox.com>
2906 * fixinc/fixincl.c, fixinc/server.[ch]:
2907 Removed the last of the capitalized variable and proc names.
2909 * fixinc/server.c: Removed the process open code
2910 * fixinc/procopen.c: New file containing the proc open code
2911 * fixinc/inclhack.tpl: Added code to bypass a readability test
2912 when a file is not present. A problem on some systems.
2913 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
2915 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2917 * cpplib.h (cpp_notice): Add prototype.
2919 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2921 * Merge gcc2 snapshot 19980929.
2923 * cccp.c (PRINTF_PROTO): Remove.
2924 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2926 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2928 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2929 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2930 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2932 * gen-protos.c (hashf): Delete in cpphash.o
2933 * gen-protos.c (hashf): Delete in cpphash.o
2935 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2936 * expmed.c: Likewise.
2937 * rs6000.md: Likewise.
2939 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2941 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2943 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2944 * rs6000.md (movsi, movdi): Likewise.
2946 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2948 * function.c (expand_function_end): Pass arg_pointer_save_area to
2949 validize_mem before using it. Emit code into a sequence.
2951 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
2953 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2954 '#' to split patterns. Correct indentation of some new patterns.
2956 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2958 * cppfiles.c (safe_read): Deleted.
2959 (read_and_prescan): New function, replaces safe_read, converts
2960 and/or warns about trigraphs, silently converts odd line
2961 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2962 (finclude): Use read_and_prescan; turn off nonblocking mode on
2963 the input descriptor; remove file-size-examination and
2964 no-newline-at-EOF gunk which is longer necessary; be more
2965 careful about checking that we've been handed a legitimate
2966 file to read (only real files, pipes, and ttys are acceptable).
2967 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2968 `trigraphs' and invert its sense.
2969 (trigraph_table): Declare.
2970 (cpp_warning_with_line): Prototype.
2971 * cpplib.c: Remove all references to trigraph_pcp. Define
2972 trigraph_table; initialize it in initialize_char_syntax. Open
2973 files in nonblocking mode. s/no_trigraphs/trigraphs/
2974 throughout, and invert sense. Put cpp_warning_with_line back
2977 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2979 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2980 * config/c4x/c4x.md (*rptb_init): Change constraints.
2981 (rptb_end): Emit alternate looping instructions if
2982 RC register not allocated for loop counter.
2983 (decrement_and_branch_on_count): Allow other registers
2986 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2988 * cppexp.c (struct arglist): Removed.
2989 (parse_number): Use HOST_WIDE_INT for the accumulator.
2990 Allow two `l' suffixes unless C89. Clean up. Make static.
2991 (parse_charconst): New function broken out of cpp_lex.
2992 Code cleaned up drastically. Don't use a token_buffer.
2993 (token_buffer): Removed.
2994 (cpp_lex): Don't call parse_number on a constant string.
2995 Use parse_charconst.
2996 (cpp_parse_expr): Properly handle an ERROR op returned by
2999 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3001 * cpplib.c: Don't include signal.h, sys/times.h, or
3002 sys/resource.h. Don't declare localtime.
3003 (macroexpand): Handle special symbols here.
3004 (push_macro_expansion): Chop off the trailing '@ ' if possible
3006 (cpp_get_token): Don't do either of the above two things here.
3007 Move `string' label just after case '"' so that wide strings
3008 don't crash the preprocessor.
3010 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
3012 * rs6000.md (left shift + set cr patterns): Add missing '#' to
3014 (move register + set cr pattern): Ditto.
3015 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
3016 inadvertently deleted.
3018 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
3020 * stmt.c (stmt_loop_nest_empty): New function.
3021 * tree.h (stmt_loop_nest_empty): Declare it.
3022 * rtl.def (CALL_PLACEHOLDER): New rtx code.
3024 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3026 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
3028 (c4x_check_legit_addr): Remove USE and PLUS, allow
3029 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
3030 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
3031 CONST cases. Add LO_SUM.
3032 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
3033 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
3034 (c4x_print_operand_address): Handle LO_SUM.
3035 (c4x_scan_for_ldp): Delete. Hooray!
3036 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
3038 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
3040 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
3042 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3044 (c4x_U_constraint, symbolic_operand): New functions.
3045 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3046 disable SYMBOL_REF, LABEL_REF, and CONST.
3047 (lsrc_operand, tsrc_operand): Call src_operand instead of
3049 (c4x_operand_subword): Update comments.
3051 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3052 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3053 plus HIGH and LO_SUM for the C40.
3054 (ENCODE_SECTION_INFO): Define macro.
3055 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3057 (PREDICATE_CODES): Add symbolic_operand.
3059 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3060 c4x_emit_move_sequence.
3061 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3062 to avoid symbol references.
3063 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3064 (set_high): Renamed from set_high_use.
3065 (set_lo_sum): Renamed from set_ior_lo_use.
3066 (all call patterns): Make MEM explicit in call address operands.
3067 Modified output templates to use 'U' modifier.
3069 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3071 * version.c: Bump for snapshot.
3073 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * final.c (bb_str): Qualify a char* with the keyword `const'.
3076 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3078 * fix-header.c (read_scan_file): Likewise.
3080 * genoutput.c (output_epilogue, process_template): Likewise.
3082 * local-alloc.c (requires_inout, block_alloc): Likewise.
3084 * output.h (output_asm_insn, assemble_string): Likewise.
3086 * recog.c (recog_constraints, check_asm_operands,
3087 decode_asm_operands, extract_insn, preprocess_constraints,
3088 constrain_operands): Likewise.
3090 * recog.h (operand_alternative, recog_constraints, insn_template,
3091 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3093 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3095 * regmove.c (find_matches): Likewise.
3097 * reload.c (alternative_allows_memconst): Likewise.
3099 * reload1.c (constraint_accepts_reg_p,
3100 reload_cse_simplify_operands): Likewise.
3102 * rtl.h (decode_asm_operands): Likewise.
3104 * scan.h (fn_decl): Likewise.
3106 * varasm.c (assemble_string): Likewise.
3108 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3110 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3111 not been explicitly set.
3112 * configure: Rebuilt.
3114 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3117 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3119 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3120 use $exec_prefix/$target_alias for gcc_tooldir.
3121 * configure: Rebuilt.
3123 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3125 * cppp.c (xrealloc): Fix typo last change.
3126 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3127 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3128 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3130 1999-01-22 Michael Meissner <meissner@cygnus.com>
3132 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3133 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3134 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3135 (cc_reg_not_cr0_operand): Add declaration.
3137 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3138 pseudo register, or a control register that is not CR0.
3140 * rs6000.md (all combiner patterns building . instructions): For
3141 all `.' instructions that do something and set cr0, add an
3142 alternative that does the operation, and then sets a different
3143 flag, in order to avoid using the costly mcrf instruction and also
3144 allow cr0 to be clobbered in asm statements. Also fix a few
3145 patterns that used the wrong register.
3147 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3148 (rs6000_debug_name): Make const char *, not char *.
3150 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3152 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3153 (rs6000_select): Use const char * in casts.
3155 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3157 * Makefile.in (gcc_tooldir): Move before first reference.
3158 Let autoconf substitute in a value.
3159 * configure.in (gcc_tooldir): Only use a relative path to the
3160 tool directory if $exec_prefix == $prefix.
3161 * configure: Rebuilt.
3163 * Makefile.in (tooldir): Replace with gcc_tooldir.
3165 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3167 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3168 (ashldi3 expander): Similarly. Update comments.
3169 (ashrdi_const, lshrdi_const): Fix indention.
3170 (ashrdi3, lshrdi3): FIx indention. Update comments.
3172 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3174 * emit-rtl.c (try_split): Don't try to split non-instructions.
3176 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3178 * expr.c (emit_push_insn): Fix dumb typo.
3180 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3182 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3183 transformations that we have performed earlier.
3184 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3186 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3187 handling, call gen_label_rtx instead.
3189 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3191 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3193 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3194 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3195 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3196 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3197 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3199 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3201 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3202 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3203 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3204 * configure: Regenerate.
3206 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3208 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3210 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3212 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3214 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3216 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3217 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3218 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3219 (move_by_pieces): Use new macros.
3220 (emit_block_move): Use new macros.
3221 (clear_by_pieces): Use new macros.
3222 (clear_storage): Use new macros.
3223 (emit_push_insn): Use new macros.
3224 (expand_expr): Use new macros.
3225 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3227 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3228 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3229 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3230 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3231 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3232 USE_STORE_PRE_DECREMENT): Describe new macros.
3234 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3236 * varasm.c (output_constant_pool): Use floor_log2 instead of
3237 exact_log2 for ASM_OUTPUT_ALIGN.
3239 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3241 * emit-rtl.c (operand_subword): Handle case when a subword outside
3244 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3247 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3249 * cse.c (fold_rtx): Revert 29 Dec change.
3250 (cse_insn): Revert 12 Jan change.
3251 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3252 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3253 * rtl.def: Likewise.
3254 * rtl.h (CONSTANT_P): Likewise.
3256 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3258 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3259 * alpha.c (input_operand): Likewise.
3260 * c4x.c (const_operand): Likewise.
3262 * explow.c (allocate_dynamic_stack_space): Use register_operand
3263 instead of arith_operand, which does not exist.
3265 * 1750a.h: Fix comment closure.
3266 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3267 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3268 * arm.h (TARGET_SWITCHES): Fix typo.
3269 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3270 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3271 (output_delay_insn): Likewise.
3272 * m88k.md (anon rotate insns): Fix set mode mismatch.
3273 (anon BLKmode moves): Commonize and fix set mode mismatches.
3274 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3275 * romp.md (movdf): Fix typo.
3277 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3279 * Makefile.in (install-common): Remove extraneous chmod for gcov
3282 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3284 * function.c (assign_parms): Save and restore setting of
3287 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3289 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3290 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3292 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3294 * recog.c (pop_operand): New function.
3295 * recog.h (pop_operand): Declare it.
3296 * genrecog.c (preds): Define it.
3298 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3299 emitting multiple jump instructions.
3300 * jump.c (condjump_label): New function.
3301 * rtl.h (condjump_label): Declare it.
3303 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3305 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3306 clobber during or after reload.
3308 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3310 * genoutput.c (name_for_index): New function.
3311 (scan_operands, validate_insn_alternatives): Use it.
3312 * genrecog.c (insn_name_ptr_size): New variable.
3313 (make_insn_sequence): Fill in insn_name_ptr.
3314 (merge_trees): Use it.
3316 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3318 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3319 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3320 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3322 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3324 * loop.c (NUM_STORES): Delete.
3325 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3326 (prescan_loop): Properly initialize loop_mems_idx.
3327 (note_addr_stored): Simplify using list structure instead of
3329 (invariant_p, check_dbra_loop, load_mems): Similarly.
3331 * flow.c (invalidate_from_autoinc): New function.
3332 (mark_set_1, mark_used_regs): Use it.
3334 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3336 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3338 * invoke.texi (-mlong-double-64): New option description.
3340 1999-01-19 Jim Wilson <wilson@cygnus.com>
3342 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3343 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3344 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3346 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3347 (CPP_SPECS): Add -mlong-double-64 support.
3348 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3349 (TARGET_SWITCHES): Add -mlong-double-64 support.
3350 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3351 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3352 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3353 (CPP_SPECS): Add -mlong-double-64 support.
3354 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3355 (MULTILIB_DIRNAMES): Add ld64.
3356 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3358 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3360 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3361 invisible reference.
3363 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3365 * rs6000.c (offsettable_addr_operand): Delete.
3366 (offsettable_mem_operand): New function.
3367 * rs6000.h (PREDICATE_CODES): Reflect function change.
3368 (RS6000_SAVE_TOC): Represent address as MEM.
3369 * win-nt.h (RS6000_SAVE_TOC): Same.
3370 * rs6000.md (indirect calls): Change offsettable address parameter
3371 to offsettable memory parameter.
3373 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3375 * rtl.h (rtx_def): Update documentation.
3376 (MEM_IN_STRUCT_P): Likewise.
3377 (MEM_SCALAR_P): New macro.
3378 (MEM_COPY_ATTRIBUTES): Likewise.
3379 (MEM_SET_IN_STRUCT_P): Likewise.
3380 * rtl.texi (MEM_SCALAR_P): Document.
3381 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3382 (fixed_scalar_and_varying_struct_p): New function. Use
3383 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3384 (aliases_everything_p): Likewise.
3385 (true_dependence): Use them.
3386 (write_dependence_p): New function, containing code common to
3387 anti_dependence and output_dependence.
3388 (anti_dependence): Use it.
3389 (output_dependence): Likewise.
3390 * calls.c (save_fixed_argument_area): Don't clear
3392 (expand_call): Use MEM_SET_IN_STRUCT_P.
3393 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3394 (emit_library_call_value): Likewise.
3395 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3396 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3397 (make_extraction): Likewise.
3398 (simplify_shift_const): Likewise.
3399 (gen_lowpart_for_combine): Likewise.
3400 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3401 * emit-rtl.c (operand_subword): Likewise.
3402 (change_address): Likewise.
3403 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3404 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3405 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3406 (copy_blkmode_from_reg): Likewise.
3407 (store_field): Likewise.
3408 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3409 heuristically. Use MEM_SET_IN_STRUCT_P.
3410 (get_memory_rtx): Likewise.
3411 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3412 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3413 MEM_ALIAS_SET on newly returned MEMs.
3414 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3415 (put_reg_into_stack): Likewise.
3416 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3417 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3418 (assign_parms): Likewise.
3419 (expand_function): Likewise.
3420 * integrate.c (expand_inline_function): Likewise.
3421 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3422 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3423 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3424 * print-rtl.c (print_rtx): Print /f for frame_related.
3425 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3426 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3427 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3428 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3429 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3430 (output_constant_def): Likewise.
3431 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3433 (a29k_set_memflags): Use it.
3434 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3435 * c4x.c (c4x_scan_for_ld): Likewise.
3436 * h8300.c (fix_bit_operand): Likewise.
3437 * m88k.c (legitimize_address): Likewise.
3438 (block_move_loop): Likewise.
3439 (block_move_no_loop): Likewise.
3440 (block_move_sequence): Likewise.
3441 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3442 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3443 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3444 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3445 * arm.h (arm_gen_load_multiple): Take scalar_p.
3446 (arm_store_load_multiple): Likewise.
3447 * arm.c (arm_gen_load_multiple): Likewise.
3448 (arm_gen_store_multiple): Likewise.
3449 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3451 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3453 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3454 calls within a libcall block to indicate no throws are possible.
3455 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3456 libcall blocks. Don't add edges to exception handlers if we see
3457 a REG_EH_REGION note with a value of 0.
3458 (make_edges): Override active_eh_region vector if the call has a note
3459 indicating the call does not throw.
3461 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3463 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3465 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3467 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3469 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3471 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3473 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3475 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3476 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3479 1999-01-18 Michael Meissner <meissner@cygnus.com>
3481 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3482 supported with -mcpu=xxx.
3483 (processor_type): Add PROCESSOR_PPC750.
3484 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3485 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3486 (rs6000_adjust_priority): Add declaration.
3488 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3489 processor type as 750, not 603. Allow -mmultiple and -mstring on
3490 little endian 750 systems.
3491 (rs6000_adjust_priority): Stub for now.
3492 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3494 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3496 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3498 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3500 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3501 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3503 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3506 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3508 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3510 * config/mips/mips.md (div_trap): Split div_trap_mips16
3512 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3514 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3516 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3517 Instead of writing to const char *buf directly, use a non-const
3518 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3520 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3523 * dyn-string.c (dyn_string_append): Likewise.
3525 * dyn-string.h (dyn_string_append): Likewise.
3527 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3529 * output.h (end_final, output_operand_lossage, asm_fprintf,
3530 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3533 * profile.c (init_branch_prob): Likewise.
3535 * toplev.c (set_target_switch, vmessage,
3536 v_message_with_file_and_line, v_message_with_decl,
3537 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3538 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3539 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3540 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3541 open_dump_file, dump_rtl, clean_dump_file,
3542 print_version, print_single_switch, print_switch_values,
3543 dump_base_name, debug_args, lang_independent_options,
3544 user_label_prefix, documented_lang_options, target_switches,
3545 target_options, print_time, pfatal_with_name, fatal_io_error,
3546 fatal_insn, default_print_error_function, print_error_function,
3547 report_error_function, error_with_file_and_line, error_with_decl,
3548 error_for_asm, error, fatal, warning_with_file_and_line,
3549 warning_with_decl, warning_for_asm, warning, pedwarn,
3550 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3551 really_sorry, botch, output_quoted_string, output_file_directive,
3552 open_dump_file, rest_of_decl_compilation, display_help, main):
3555 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3556 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3557 warning_with_file_and_line, error_with_file_and_line, sorry,
3558 really_sorry, default_print_error_function, report_error_function,
3559 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3560 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3561 output_file_directive, botch): Likewise.
3563 * tree.h (make_decl_rtl): Likewise.
3565 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3566 make_decl_rtl): Likewise.
3568 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3570 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3571 directory logically rather than physically.
3573 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3575 * loop.c (insert_bct): Hide the definition of variables
3576 `increment_direction', `compare_direction', `add_iteration' and
3579 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3580 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3581 (mode_independent_operand): Mark label `lose' with
3582 ATTRIBUTE_UNUSED_LABEL.
3584 * regclass.c (n_occurrences): Remove prototype and definition.
3586 * reload.c (find_reloads_address_1): Mark variable `tem' with
3589 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3591 * sbitmap.c (sbitmap_copy): Likewise.
3593 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3595 * toplev.c (output_lang_identify): Mark prototype with
3598 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3599 (make_tree_vec): Likewise.
3602 * varasm.c (assemble_static_space): Mark variable `tem' with
3605 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3607 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3608 (install-common): Use it.
3609 (uninstall): Use it.
3610 (uninstall): Use correct names for protoize and unprotoize.
3612 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3613 Jeffrey A Law (law@cygnus.com)
3615 * flow.c (last_mem_set): Delete variable. References removed.
3616 (mem_set_list): New variable.
3617 (life_analysis): Initialize and finalize alias analysis.
3618 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3619 (insn_dead_p): For a store to memory, search the entire mem_set_list
3621 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3622 changes to their addresses. Add new entries to the mem_set_list for
3623 memory writes writes.
3624 (mark_used_regs): Kill entries on the mem_set_list which may be
3625 referenced by a load operation.
3627 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3629 * alias.c (base_alias_check): Add missing return for differing
3632 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3634 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3635 missing local symbols.
3637 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3639 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3641 * system.h (bcopy): Implement with memmove not memcpy.
3643 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3645 * Makefile.in (cppulp.o): Add dependencies.
3647 * i386.md (integer conditional moves): Add missing earlyclobbers.
3649 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3650 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3651 where a register is live.
3653 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3655 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3656 of a FP conditional move is not on the FP register stack.
3658 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3660 * version.c: Bump for snapshot.
3662 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3664 * reload1.c (reload_cse_regs_1): Do not call
3665 reload_cse_simplify_operands for an insn with asm operands.
3667 * cccp.c (print_help): Fix typos.
3668 * cpplib.c (print_help): Fix typos.
3669 * toplev.c (f_optiosn): Fix typos.
3670 (documented_lang_options): Fix typos.
3672 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3674 * gcc.c: (do_spec_1): Fix obvious typo.
3676 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3678 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3679 a non-static function declaration follows a static one.
3681 * invoke.texi (-Wtraditional): Document the extra check now done
3684 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3686 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3687 needed without the addition.
3689 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3691 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3693 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3695 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3697 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
3699 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3700 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3701 non_add_cint_operand, non_logical_cint_operand): Likewise.
3702 (get_issue_rate): Add CPU_PPC604E case.
3703 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3705 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3707 * expr.c (queued_subexp_p): Make public.
3708 * expr.h (queued_subexp_p): Declare it.
3709 * recog.c (asm_operand_ok): New function.
3710 (check_asm_operands): Use it. After reload, use constrain_operands
3712 * recog.h (asm_operand_ok): Declare it.
3713 * stmt.c (expand_asm_operands): Use it to try harder to make
3714 asms initially satisfy their constraints.
3716 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3718 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3719 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3721 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3723 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3724 in delay slot of RPTBD.
3726 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3728 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3729 divide and modulo sign problem.
3731 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3733 * unroll.c (loop_iterations): Return 0 if the last loop insn
3734 is not a jump insn or if the loop has multiple back edges.
3736 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3738 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3739 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3741 * configure: Regenerate using autoconf.
3743 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3745 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3747 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3748 a register with another DEST_ADDR giv if the address is not valid.
3750 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3751 around the call to mcount.
3753 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3755 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3756 generating non-canonical rtl.
3758 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3760 * config/i960/i960.c (i960_output_move_double_zero,
3761 i960_output_move_quad_zero): New functions for moving zeros.
3762 (i960_output_move_double, i960_output_move_quad): Additional code
3763 for situation when moving unaligned register group.
3765 * config/i960/i960.h (i960_output_move_double_zero,
3766 i960_output_move_quad_zero): The function definitions.
3768 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3770 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3772 * config/i960/i960.c (i960_function_prologue): New code (optimal
3773 solution) for saving global registers in local registers.
3774 (form_reg_groups, reg_group_compare, split_reg_group): New
3775 functions used by the code.
3776 (reg_group): New structure definition for the new code.
3778 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3780 * fixinc/fixincl.c (create_file): Pass file creation mask as
3781 third parameter to "open". Use O_TRUNC flag to open instead of
3782 explicitly unlink'ing the file.
3783 (process): and forget about the "chmod" stuff.
3785 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3787 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3788 and substitute. Copy the return value from there into a new pseudo.
3790 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3792 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3793 before generating a call to abort for volatile functions.
3794 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3795 (TARGET_ABORT_NORETURN): Define.
3796 (abort-on-noreturn): New option.
3798 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3800 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3801 and binarycc operations in 3rd annulled delay slot!
3803 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3805 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3806 before generating a call to abort for volatile functions.
3807 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3808 (TARGET_ABORT_NORETURN): Define.
3809 (abort-on-noreturn): New option.
3811 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3813 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3814 Remove prototype which we get from libiberty.h.
3816 * collect2.c (xstrdup): Likewise.
3818 * genextract.c (xstrdup): Likewise for `copystr'.
3819 (mybzero): Remove it and use `memset' instead.
3821 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3822 to use `memcpy' and `memset' instead.
3824 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3825 changed. Remove prototype.
3826 (mybcopy, mybzero): Remove these and use memcpy/memset.
3828 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3830 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3831 generating code for TARGET_64BIT.
3833 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
3835 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3836 HOST_WIDE_INT word-size.
3837 (rs6000_stack_info): Remove redundant alignment of fpmem.
3839 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3841 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3842 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3843 (input_operand): Adjust CONSTANT_P_RTX handling.
3844 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3845 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3846 (movhi, movqi): Remove CONSANT_P_RTX handling.
3847 (movdi): Adjust CONSTANT_P_RTX handling.
3849 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3851 * configure: Regenerate using autoconf.
3853 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3854 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3855 (process): "fchmod" isn't available on all systems, use "chmod"
3857 * fixinc/server.c: Add #include <sys/types.h>.
3858 (STDIN_FILENO): Add default definition if no include file defines
3860 (STDOUT_FILENO): Likewise.
3862 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3864 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3866 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3868 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3869 ensure all prototypes necessary for building libio will be available.
3870 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3871 definitions here as they are not host specific.
3872 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3874 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3876 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3878 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3880 * version.c: Bump for snapshot.
3882 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3884 * rtl.c (rtx_alloc): Use memset instead of inline loop.
3886 * recog.h (recog_op_alt): Declare extern.
3888 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
3890 * function.c (purge_addressof_1): If the note accesses a mem+addressof
3891 in a wider mode than any replacement, adjust the cached replacement.
3892 Cache trivial substitutions as well.
3894 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
3896 * Makefile.in (OBJECTS): Add sbitmap.o.
3897 (BASIC_BLOCK_H): Add sbitmap.h.
3898 * basic-block.h: Move simple bitmap code to sbitmap.h.
3899 * flow.c: Move simple bitmap code to sbitmap.c
3900 * sbitmap.h, sbitmap.c: New files.
3902 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
3904 * alpha.h (TARGET_SWITCHES): Document switches.
3905 (TARGET_OPTIONS): Likewise.
3907 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
3909 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
3911 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
3913 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3915 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
3916 (basic_block_end): Rename to x_basic_block_end.
3917 (BLOCK_HEAD, BLOCK_END): Update.
3919 * caller-save.c: Change basic_block_head/end references to
3921 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
3922 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
3923 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
3925 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3927 * gcc.c (xstrerror): Renamed from my_strerror. All callers
3928 changed. Remove prototype since we get that from libiberty.h.
3930 * protoize.c (xstrerror): Likewise.
3932 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3934 * gcc.c (read_specs): Ensure format specifiers match their arguments.
3936 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
3938 * tree.c (copy_node): Oops. That would be copy not zero
3939 in that last change.
3941 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3943 * config/c4x/c4x.c: Include system.h.
3944 (c4x_caller_save_map): Disable caller save for RC.
3945 (c4x_optimization_options): Disable scheduling before reload.
3946 (valid_parallel_load_store) : Define return type as int.
3947 Remove unused variable regs.
3948 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3950 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3952 (*db, decrement_and_branch_until_zero): Fix up constraints
3953 to keep reload happy.
3955 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3957 * tree.c (make_node): Call bzero instead of inline clear.
3958 (copy_node, make_tree_vec, build1): Likewise.
3959 (get_identifier): Call strlen instead of inline count.
3960 (maybe_get_identifier): Likewise.
3962 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3964 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3965 operations in 3rd annulled delay slot.
3966 (*lshrqi3_const_set): Disallow c constraint for operand0.
3967 (modhi3+1, modhi3+2): Set attribute type to multi.
3968 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3971 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3973 * gansidecl.h: Allow attribute unused on labels only when we are
3974 version 2.93 or higher. Not all versions of 2.92 have this feature.
3976 * version.c: Bump minor number to 93.
3978 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3980 * config/m68k/m68k.h: Declare output_function_epilogue.
3981 * recog.h: Declare next_insn_tests_no_inequality.
3983 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3985 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3986 (expand_return): Use optimize_tail_recursion.
3987 * tree.h (optimize_tail_recursion): Declare.
3989 * toplev.c (compile_file): Move call to output_func_start_profiler
3990 to after the loop to emit deferred functions.
3992 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3994 * system.h (abort): Supply more detailed information on how to
3995 report an Internal Compiler Error.
3997 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
3999 * fixinc/fixincl.c (*): more decapitalization of variables
4000 plus some explanitory comments
4002 * fixinc/Makefile.in fixinc/mkfixinc.sh:
4003 When the fixincl program does not work for a certain system,
4004 we substitute a shell script. Added user commentary when
4007 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
4009 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
4010 allocate memory that will live beyond this function.
4011 (expand_call): Free it here.
4013 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
4015 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
4016 integer data not destined for fp regs.
4017 (LEGITIMIZE_RELOAD_ADDRESS): New.
4019 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
4020 Richard Henderson <rth@cygnus.com>
4022 Support for Hypersparc and Sparclite86x:
4023 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
4024 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
4025 (ASM_CPU32_DEFAULT_SPEC): Likewise.
4026 (TARGET_CPU_DEFAULT): Likewise.
4027 (enum processor_type): Likewise.
4028 (CPP_ENDIAN_SPEC): Handle little endian data.
4029 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
4030 (ADJUST_COST): Call sparc_adjust_cost.
4031 * sparc.c (sparc_override_options): Fix up for the new targets.
4032 (supersparc_adjust_cost): Make static.
4033 (hypersparc_adjust_cost): New.
4034 (ultrasparc_adjust_cost): Make static.
4035 (sparc_adjust_cost): New.
4036 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
4037 (function_unit): Add hypersparc scheduling rules.
4039 * configure.in (with_cpu handler): Recognize hypersparc.
4041 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4043 * config/c4x/c4x.c: Added space after negation operator.
4044 * config/c4x/c4x.h: Likewise.
4045 * config/c4x/c4x.md: Likewise.
4047 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4049 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4051 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4053 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4054 when a test can't be performed due to limited width of
4055 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4056 Fix UDIV case for cases where the first operand has the highest bit
4059 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4061 * pa.h (reg_class): Add FPUPPER_REGS.
4062 (REG_CLASS_NAMES): Similarly.
4063 (REG_CLASS_CONTENTS): Similarly
4064 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4065 (FP_REG_CLASS_P): Likewise.
4066 (REG_CLASS_FROM_LETTER): Similarly.
4067 (CLASS_MAX_NREGS): Similarly.
4069 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4071 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4072 for a typedef of bool. Make sure to have a copy of the file is
4073 in place before we look to fix it. Fix typo in variable name to
4076 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4078 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4079 value_mode for the return mode.
4081 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4083 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4084 debugging as default.
4086 * config/tm-dwarf2.h: New file.
4088 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4090 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4092 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4093 * local-alloc.c (update_equiv_regs): Corresponding changes.
4094 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4096 * calls.c (special_function_p): Push alloca test inside the large
4097 conditional which excludes functions not at file scope or not
4100 * calls.c (special_function_p): New function broken out of
4102 (precompute_register_parameters): Likewise.
4103 (store_one_arg): Likewise.
4104 (store_unaligned_argumetns_into_pseudos): Likewise.
4105 (save_fixed_argument_area): Likewise.
4106 (restore_fixed_argument_area): Likewise.
4107 (expand_call): Corresponding changes.
4109 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4111 * config/c4x/c4x.md (addqi3): If the destination operand is
4112 a hard register other than an extended precision register,
4113 emit addqi3_noclobber.
4114 (*addqi3_noclobber_reload): New pattern added so that reload
4115 will recognise a store of a pseudo, equivalent to the sum
4116 of the frame pointer and a constant, as an add insn.
4118 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4120 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4121 fixinc/server.c: Likewise.
4122 fixinc/server.h: Likewise.
4124 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4126 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4128 (const_sint32_operand): Likewise.
4130 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4132 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4133 is a macro when deciding if we can use `jmp_buf' in prototypes.
4135 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4137 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4138 * configure: Rebuilt.
4139 * i386/xm-go32.h: Define LIBSTDCXX.
4141 * i386/go32.h (MD_EXEC_PREFIX): Define.
4142 (FILE_NAME_ABSOLUTE_P): Define.
4143 (LINK_COMMAND_SPEC): Define.
4145 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4147 * expr.c (store_expr): If the lhs is a memory location pointed
4148 to be a postincremented (or postdecremented) pointer, always
4149 force the rhs to be evaluated into a pseudo.
4151 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4153 * real.c (mtherr): Print more reasonable warning messages.
4155 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4157 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4159 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4160 (new_include_prefix): Constify char* parameters.
4162 * cppfiles.c (read_name_map): Likewise.
4163 (append_include_chain): Likewise. Also, use a writable char* copy
4164 of parameter `dir' which we then modify, rather than using the
4165 parameter itself to store the new writable string.
4166 (remap_filename): Constify some variables. Also, use a writable
4167 char* to store an allocated string which we will be modifying.
4169 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4170 (cpp_start_read): Constify variable `str'.
4172 * cpplib.h (append_include_chain): Constify a char* parameter.
4174 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4175 (add_prefix, save_string): Constify char* parameters.
4176 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4178 * prefix.c: Include prefix.h.
4179 (get_key_value, translate_name, save_string, update_path,
4180 set_std_prefix): Constify various char* parameters and variables.
4181 (save_string): Use xmalloc, not malloc.
4182 (translate_name): Use a writable temporary variable to create and
4183 modify a string before setting it to a const char*.
4185 * prefix.h: New file to prototype functions exported from prefix.c.
4187 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4189 * fixinc/fixincl.c (various): added debug code so
4190 Manfred can trace the processing.
4192 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4193 struct utsname on Ultrix V4.[35].
4195 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4197 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4199 * cpplib.c (skip_if_group): Split out the logic that handles
4200 directive recognition to its own function. Don't use
4201 parse markers; use a bare pointer into the buffer. Use
4202 copy/skip_rest_of_line instead of doing it by hand. Remove
4203 `return on any directive' mode which was never used, and take
4205 (consider_directive_while_skipping): New function, subroutine
4206 of skip_if_group. Logic streamlined a bit.
4207 (conditional_skip, do_elif, do_else): Call skip_if_group with
4210 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4212 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4215 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4217 * extend.texi (Bound member functions): Document.
4219 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4221 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4222 lang_to_string, type_to_string): Make return type const char*.
4223 (print_symbol): Apply `const' keyword to a char*.
4224 (print_file_desc): Cast structure member `crfd' to ulong when
4225 comparing against one.
4227 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4228 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4229 (progname, input_name): Apply `const' keyword to a char*.
4230 Don't redundantly include sys/stat.h.
4231 (alloc_info): Apply `const' keyword to a char*.
4232 (st_to_string, sc_to_string): Likewise.
4233 (hash_string): Cast variable `hash_string' to a symint_t when
4234 comparing against one.
4235 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4236 Likewise cast it to long when comparing against one.
4237 (add_local_symbol): Apply `const' keyword to a char*.
4238 (add_ext_symbol): Likewise.
4239 (add_unknown_tag): Likewise.
4240 (add_procedure): Cast a printf-style field width to an int.
4241 (add_file): Cast PAGE_USIZE to long when comparing against one
4242 (parse_begin): Cast a printf-style field width to an int.
4243 (parse_bend): Likewise.
4244 (parse_def): Likewise.
4245 (parse_end): Likewise.
4246 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4247 (parse_stabs_common): Fix format specifier.
4248 (parse_input): Change type of variable `i' to Size_t.
4249 (write_object): Fix arguments to match format specifiers.
4250 Cast variable `num_write' to long when comparing against one.
4251 (read_seek): Cast variable `sys_read' to symint_t when comparing
4252 against one. Fix arguments to match format specifiers. Cast
4253 variable `size' to long when comparing against one.
4254 (copy_object): Cast result of `sizeof' to int when comparing
4255 against one. Fix arguments to match format specifiers. Cast
4256 variable `ifd' to long when comparing against a signed value.
4259 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4261 * c-common.c (decl_attributes): Allow applying attribute `unused'
4264 * c-parse.in (label): Parse attributes after a label, and call
4265 `decl_attributes' to handle them.
4267 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4269 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4270 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4272 * invoke.texi: Note that labels can be marked `unused'.
4274 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4276 * version.c: Bump for snapshot.
4278 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4280 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4281 RTL for a compare/jump sequence.
4283 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4285 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4286 for a target with HAVE_cc0 defined.
4287 (emit_cmp_and_jump_insns): New function.
4288 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4289 * loop.c (check_dbra_loop): Use it to replace calls
4290 to emit_cmp_insn and emit_jump_insn and to canonicalise
4291 the comparison if necessary.
4292 * unroll.c (unroll_loop): Likewise.
4294 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4296 * fixincludes (sys/utsname.h): Provide forward declaration of
4297 struct utsname on Ultrix V4.[35].
4299 * mips.md (div_trap): Use local labels instead of dot-relative
4302 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4304 * pa.md (branch, negated branch): Handle (const_int 0) as first
4306 * pa.c (output_cbranch): Likewise.
4308 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4310 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4313 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4315 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4317 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4319 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4321 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4323 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4324 (adddi_dishl32): Similarly.
4326 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4327 for each insn in the skipped block.
4329 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4330 constraints after replacing a register address with an autoincrement
4331 address for reload inheritance purposes.
4333 * i386.md (doubleword shifts): Avoid namespace pollution.
4335 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4337 * configure.in (FreeBSD ELF): Needs special crt files.
4339 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4341 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4343 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4345 * loop.c (check_dbra_loop): While reversing the loop, if the
4346 comparison value has a VOID mode use the mode of the other operand
4347 to compute the mask.
4349 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4351 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4352 avoid warnings in compiling explow.c.
4354 (patch from Ken Raeburn, raeburn@cygnus.com)
4355 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4356 fpmem_offset. Compute total size after that, and then
4357 rs6000_fpmem_offset using both values.
4359 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4361 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4362 the future; indeed that already happens in some cases.
4364 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4366 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4367 (arith_operand): Remove constant_p_rtx handling.
4368 (const64_operand, const64_high_operand): Likewise.
4369 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4370 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4371 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4372 * sparc.h (PREDICATE_CODES): Likewise.
4374 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4376 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4378 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4379 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4380 consider constant CONSTRUCTOR constant and to defer some cases
4382 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4383 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4385 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4387 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4388 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4390 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4391 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4392 (sext_add_operand, and_operand, or_operand): Likewise.
4393 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4394 * alpha.h (PREDICATE_CODES): Likewise.
4396 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4398 * version.c: Bump for snapshot.
4400 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4402 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4403 of dangerous casts and stores.
4405 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4407 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4409 * alpha.md (builtin_longjmp): Add missing "DONE".
4411 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4413 * gcc.c (execute): Enable -pipe with win32.
4415 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4417 * config/arm/t-arm-elf: Add multiplib option for leading
4420 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4421 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4423 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4424 than variable 'reload_address_base_reg_class'. [Note this
4425 change is unrelated to the others in this patch].
4427 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4430 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4432 * alias.c (record_alias_subset): Remove ignored `&'.
4433 (init_alias_once): Likewise.
4435 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4437 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4438 fwrite to `int' when comparing against one.
4440 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4441 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4443 * cse.c (rehash_using_reg): Change type of variable `i' to
4446 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4447 assigning it to one.
4449 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4451 * final.c (final_scan_insn): Likewise for variable `i'.
4452 (output_asm_insn): Cast a char to unsigned char when used as an
4455 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4456 assigning it to one.
4458 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4460 * recog.c (preprocess_constraints): Cast a char to unsigned char
4461 when used as an array index.
4463 * regmove.c (find_matches): Likewise.
4465 * reload1.c (calculate_needs): Add default case in switch.
4466 (eliminate_regs_in_insn): Initialize variable `offset'.
4467 (set_offsets_for_label): Change type of variable `i' to unsigned.
4468 (reload_as_needed): Wrap variable `i' in macro check on
4469 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4471 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4472 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4473 when comparing against one.
4475 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4476 unsigned when comparing against one. Likewise for
4477 GET_MODE_ALIGNMENT().
4478 (layout_record): Cast record_align to int when comparing against a
4480 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4483 * tree.c (get_identifier): Cast variable `len' to unsigned when
4484 comparing against one.
4485 (maybe_get_identifier): Likewise
4487 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4489 * toplev.c (rest_of_compilation): Do not set reload_completed.
4490 * reload1.c (reload): Set reload_completed before calling
4491 cleanup_subreg_operands.
4493 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4495 * reload1.c (emit_reload_insns): Check `set' not null before use.
4497 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4499 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4502 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4504 * halfpic.c (half_pic_encode): Delete redundant code.
4506 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4508 * toplev.c (main): Delete handling of -dM as a preprocessor
4511 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4513 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4514 -dI, which are handled by the preprocessor.
4516 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4518 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4519 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4521 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4523 * version.c: Bump for snapshot.
4525 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4527 * version.c: Bump for snapshot.
4529 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4531 * version.c: Bump for snapshot.
4533 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4535 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4537 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4538 write_unit_name, write_eligible_delay, expand_units,
4539 make_length_attrs, write_attr_case, find_attr,
4540 make_internal_attr): Likewise.
4541 * gencheck.c (tree_codes): Likewise.
4542 * gencodes.c (fatal): Likewise.
4543 * genconfig.c (fatal): Likewise.
4544 * genemit.c (fatal): Likewise.
4545 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4546 * genflags.c (fatal): Likewise.
4547 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4548 * genoutput.c (fatal, error, predicates): Likewise.
4549 * genpeep.c (fatal): Likewise.
4550 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4551 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4553 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4555 * configure.in (with-fast-fixincludes): Fix whitespace.
4556 * configure: Rebuilt.
4558 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4559 asm() etc. function declarations in __DECC.
4561 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4563 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4564 is a pseudo register.
4566 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4568 * gcse.c: Include expr.h in order to get the prototype for
4569 get_condition() which is used in delete_null_pointer_checks().
4571 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4573 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4575 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4577 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4578 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4580 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4582 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4585 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4587 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4588 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4589 optimizations from the combiner.
4591 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4593 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4595 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4597 * toplev.c (main): Disable optimize_size if a specific
4598 optimization level is requested. Always set optimization
4599 level to 2 if -Os is specified.
4601 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4603 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4605 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4606 initialize it using fname.
4608 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4610 * cpplib.c (do_include): Treat #include_next in the
4611 primary source file as #include plus warning. Treat
4612 #include_next in a file included by absolute path as an
4613 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4615 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * cccp.c: Don't define MIN/MAX anymore.
4618 * cpplib.c: Likewise.
4619 * machmode.h: Likewise.
4620 * system.h: Provide definitions for MIN/MAX.
4622 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4624 * fix-header.c: Don't define xstrdup here.
4626 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4628 * loop.c (consec_sets_giv): New argument last_consec_insn.
4629 (strength_reduce): Provide / use it.
4631 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4633 * loop.h (loop_info): New field 'vtop'.
4634 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4635 scanning loop for vtop.
4636 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4637 (loop_iterations): Use them to determine if loop has a constant
4638 number of iterations. Set loop_info->vtop. Don't subtract
4639 common reg term from initial_value and final_value if have a
4642 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4644 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4646 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4648 * mn10200.md (abssf2, negsf2): New expanders.
4650 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4652 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4654 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4655 replaced by a CONCAT whoes components do not have the same
4656 mode as the original SUBREG, use a new SUBREG to restore the
4659 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4660 multiword complex values.
4662 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4664 * cppalloc.c: Add xstrdup here.
4665 * cpplib.h: Remove savestring prototype.
4666 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4668 * cppfiles.c: s/savestring/xstrdup/ throughout.
4670 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4672 * cpplib.c: Make all directive handlers read their own
4674 (struct directive): Remove last two arguments from FUNC
4675 member prototype. Remove `command_reads_line' member
4677 (directive_table): Remove initializations of
4678 command_reads_line flag. Pretty-print.
4679 (eval_if_expression, do_define, do_line, do_include,
4680 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4681 do_else, do_elif, do_sccs, do_assert, do_unassert,
4682 do_warning): Take only two args.
4684 (cpp_define): Call do_define with two args and the text to
4685 define stuffed into a buffer.
4686 (make_assertion): Call do_assert with two args.
4687 (handle_directive): Call do_line with two args. Call
4688 kt->func with two args. Remove command_reads_line
4690 (do_define, do_undef, do_error, do_warning, do_pragma,
4691 do_sccs): Read the rest of the line here.
4692 (do_ident): Gobble rest of line, as cccp does.
4693 (cpp_undef): New function.
4694 (cpp_start_read): Call cpp_undef instead of do_undef.
4696 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4698 * cpphash.h (union hash_value): Remove `keydef' member, add a
4699 `struct hashnode *aschain' member for #assert.
4701 * cpplib.c (struct tokenlist_list, struct
4702 assertion_hashnode): Delete structure definitions.
4703 (assertion_install, assertion_lookup, delete_assertion,
4704 check_assertion, compare_token_lists, reverse_token_list,
4705 read_token_list, free_token_list): Delete functions.
4706 (parse_assertion): New function.
4707 (cpp_cleanup): Don't destroy the assertion_hashtable.
4709 (do_assert): Gut and rewrite. #assert foo (bar) places
4710 entries for `#foo' and `#foo(bar)' in the macro hash table,
4711 type T_ASSERT. The value union's `aschain' member is used
4712 to chain all answers for a given predicate together.
4713 (do_unassert): Also rewritten. Take an un-asserted
4714 answer off the chain from its predicate and call
4715 delete_macro on the hashnode, or walk a predicate chain
4716 calling delete_macro on all the entries.
4717 (cpp_read_check_assertion): Simply call parse_assertion to
4718 get the canonical assertion name, and look that up in the
4721 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4724 * cpphash.c (install): Use bcopy instead of an explicit loop
4725 to copy the macro name.
4727 * cppexp.c (cpp_lex): Convert the result of
4728 cpp_read_check_assertion to a `struct operation' directly;
4729 don't go through parse_number.
4731 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4733 * loop.h (struct induction): Delete times_used member.
4734 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4735 (n_times_used): Rename to n_times_set. Changed all users.
4736 (scan_loop): Free reg_single_usage before strength reduction.
4737 (record_giv, combine_givs): Remove handling of times_used member.
4738 (combine_givs_used_once): Rename to:
4739 (combine_givs_used_by_other) . Changed all callers.
4741 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4743 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4744 instead of TREE_CODE_CLASS == 't'.
4745 (gen_type_die): Likewise.
4746 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4748 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4750 * real.c (endian): Disable last change unless
4751 HOST_BITS_PER_WIDE_INT is greater than 32.
4753 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4755 * output.h (force_data_section): New prototype.
4756 * varasm.c (force_data_section): New function to force the
4757 data section, regardless of what in_section thinks.
4758 * dwarf2out.c (output_call_frame_info): Call force_data_section
4759 since varasm may not realize we've changes sections.
4761 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4763 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4764 after completeing reload.
4766 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4767 deleted after reload.
4769 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4771 * rtl.h (multiple_sets): Fix prototype.
4772 * rtlanal.c (multiple_sets): Fix return type.
4774 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4776 * version.c: Bump for snapshot.
4778 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4780 * version.c: Bump for snapshot.
4782 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4784 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4786 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4788 * rtl.h (recompute_reg_usage): Add second argument.
4789 * flow.c (recompute_reg_usage): Likewise.
4790 * toplev.c (rest_of_compilation): Supply second argument to
4791 recompute_reg_usage.
4793 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4796 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4798 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4799 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4800 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4803 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4805 * rtlanal.c (multiple_sets): New function.
4806 * rtl.h (multiple_sets): Declare it.
4807 * local-alloc.c (wipe_dead_reg): Use it.
4808 * global.c (global_conflicts): Likewise.
4810 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4812 * global.c (record_conflicts): Don't use an array of shorts to
4813 store an array of ints.
4814 (global_conflicts): Likewise.
4816 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4818 * alpha.c (alpha_expand_block_move): mode_for_size expects
4819 bits, not bytes. Infer extra alignment from addressof.
4821 1998-12-11 Michael Meissner <meissner@cygnus.com>
4823 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4824 .sbss section, not .sdata.
4826 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4828 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4830 * collect2.c: Likewise.
4831 * cpplib.h: Likewise.
4834 * getpwd.c: Likewise.
4835 * protoize.c: Likewise.
4836 * toplev.c: Likewise.
4838 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4839 and don't try to define it here.
4840 * Makefile.in (cppmain.o): Depend on machmode.h.
4841 (cpplib.o): Likewise.
4842 (cpperror.o): Likewise.
4843 (cppexp.o): Likewise.
4844 (cppfiles.o): Likewise.
4845 (cpphash.o): Likewise.
4846 (cppalloc.o): Likewise.
4847 (fix-header.o): Likewise.
4848 (scan-decls.o): Likewise.
4850 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4852 * sh.c (print_operand): lookup interrupt_handler attribute instead
4853 of relying on static variable.
4854 * (calc_live_regs): Likewise.
4855 * (sh_pragma_insert_attributes): Create interrupt_handler
4856 attribute if a pragma was specified
4857 * (sh_valid_machine_decl_attribute): Don't set static flag.
4858 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4860 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4862 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4863 to determine if a register is live at a jump destination.
4864 Everything is dead at a BARRIER.
4866 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4868 * cse.c (simplify_unary_operation): Sign-extend constants when
4869 they have the most significant bit set for the target.
4870 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4872 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4873 HOST_WIDE_INT temporary before negating it.
4874 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4876 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4878 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4881 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4883 * collect2.h: New header file for prototypes.
4885 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
4887 * collect2.c: Include collect2.h.
4888 * tlink.c: Likewise.
4890 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
4892 * flow.c: Update some comments.
4894 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
4896 * objc/objc-act.c (cpp_initialized): Removed.
4897 (lang_init_options): Initialize cpplib.
4898 (lang_decode_option): Move initialization of cpplib to
4900 * c-lang.c: (parse_options,parse_in): Added.
4901 (lang_init_options): Initialized cpplib here.
4902 * c-decl.c (parse_options,cpp_initialized): Removed.
4903 (c_decode_option): Move initialization of cpplib to
4906 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * reload1.c (reload_combine, reload_combine_note_store):
4909 Make STORE_RUID always valid.
4910 (reload_combine): Check if BASE is clobbered too early.
4912 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
4914 * reload.c (find_reloads): Display the insn that cannot be
4917 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
4919 * cccp.c (create_definition): Fix end of bufer logic.
4921 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4923 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
4924 pointer parameters changed to use the PARAMS() macro.
4926 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4928 * except.h (struct handler_info): Add handler_number field.
4929 * except.c (gen_exception_label): EH labels no longer need to be
4930 on the permanent obstack.
4931 (get_new_handler): Set the label number field.
4932 (output_exception_table_entry): Regenerate handler label reference
4933 from the label number field.
4934 (init_eh): Remove a blank line.
4935 * integrate.c (get_label_from_map): Labels no longer need to be
4936 on the permanent obstack.
4938 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
4940 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
4941 only when OUTER_CODE is SET.
4943 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4945 * loop.c (strength_reduce): If scan_start points to the loop exit
4946 test, be wary of subversive use of gotos inside expression statements.
4947 Don't set maybe_multiple for a backward jump that does not
4948 include the label under consideration into its range.
4949 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
4951 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4953 * explow.c (plus_constant_wide): Don't immediately return with
4954 result of recursive call.
4956 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4958 * eh-common.h (struct eh_context): Add table_index for rethrows.
4960 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
4961 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
4962 processed when inlined or unrolled (ie duplicated in some way).
4964 * rtl.c (reg_note_name): Add strings for new reg_note enums.
4966 * expr.h (rethrow_libfunc): New library decl.
4968 * optabs.c (rethrow_libfunc): Initialize.
4970 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4971 (new_eh_region_entry): No longer exported from except.c.
4972 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4973 different prototype.
4974 (rethrow_symbol_map, rethrow_used): New exported functions.
4975 (eh_region_from_symbol): New exported function.
4977 * except.c (create_rethrow_ref): New function to create a single
4978 SYMBOL_REF for a rethrow region.
4979 (push_eh_entry): Initialize a rethrow ref.
4980 (func_eh_entry): Add a rethrow_label field.
4981 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4982 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4983 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4984 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4985 a region into an appropriate new symbol.
4986 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4987 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4988 (end_catch_handler): Emit a barrier for new-exceptions since
4989 control can never drop through the end of a catch block.
4990 (expand_end_all_catch): new-exceptions never fall through a catch
4992 (expand_rethrow): use __rethrow routine for new exceptions.
4993 (output_exception_table_entry): Generate rethrow labels, if needed.
4994 (output_exception_table): Generate start and end rethrow labels.
4995 (init_eh): Create rethrow symbols for beginning and end of table.
4996 (scan_region): Don't eliminate EH regions which are the targets of
4999 * flow.c (make_edges): Add different edges for rethrow calls,
5000 identified by having the REG_EH_RETHROW reg label.
5001 (delete_unreachable_blocks): Don't delete regions markers which are
5002 the target of a rethrow.
5004 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
5005 allow save_for_inline_copying to call duplicate_eh_handlers.
5006 (save_for_inline_copying): Call duplicate_eh_handlers instead of
5007 exposing internal details of exception regions.
5008 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
5009 (expand_inline_function_eh_labelmap): New callback routine to
5010 allow expand_inline_function to call duplicate_eh_handlers.
5011 (expand_inline_function): Call duplicate_eh_handlers instead of
5012 exposing internal details of exception regions.
5013 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
5016 * libgcc2.c (find_exception_handler): Generalize to enable it to
5017 pick up processing where it left off last time for a rethrow.
5018 (__unwinding_cleanup): New function. debug hook which is called before
5019 unwinding when __throw finds there is nothing but cleanups left.
5020 (throw_helper): Common parts of __throw extracted out for reuse.
5021 (__throw): Common parts moved to throw_helper.
5022 (__rethrow): New function for performing rethrows.
5024 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
5026 * reload1.c (current_function_decl): Tweak declaration.
5028 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
5030 * c-decl.c (flag_isoc9x): Default off.
5031 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
5032 * cccp.c (print_help, main): Likewise.
5033 * gcc.c (default_compilers): Update for -std=gnu*.
5035 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
5037 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
5038 * demangle.h: Deleted.
5040 * reload1.c (current_function_decl): Declare.
5042 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5044 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5046 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5048 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5050 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5052 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5054 * configure: Rebuilt.
5055 * system.h: If the *_unlocked functions are available use them
5056 instead of the locked counterparts by defining macros.
5057 * config.in: Regenerated.
5059 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5061 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5062 wrong and should only be used for dump related things, not
5063 debugging information, instead main_input_filename should be used.
5064 Also, reuse output_file_directive if possible.
5065 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5066 * i386/isc.h (ASM_FILE_START): Likewise.
5067 * i386/win-nt.h (ASM_FILE_START): Likewise.
5068 * i386/sun386.h (ASM_FILE_START): Likewise.
5070 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5072 * configure.in (mips*-*-linux*): Handle big and little endian
5074 * configure: Rebuilt.
5076 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5078 * emit-rtl.c: Fix typo.
5080 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5082 * reload1.c (eliminate_regs): Don't do anything, if we're not
5085 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5087 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5089 * mips/mips.c (mips_select_section): Add comment.
5091 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5093 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5094 characters in file names in #line to be consistent with #include
5095 handling. We support escape prcessing in the # 1 "..." version of
5096 the command. See also support in cp/lex.c.
5097 (handle_directive): Likewise.
5098 (do_line): Likewise.
5100 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5102 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5103 so it'll work on non-ASCII platforms. Always consider $ an
5104 identifier character. Take no arguments.
5105 (cpp_reader_init): Call initialize_char_syntax with no
5107 (cpp_start_read): Don't call initialize_char_syntax again.
5108 Clear is_idchar['$'] and is_idstart['$'] if not
5109 opts->dollars_in_ident.
5111 * cpplib.h (struct cpp_reader): Replace void *data element by
5112 cpp_options *opts. Rearrange elements to make gdb printout
5113 less annoying (put buffer stack at end).
5114 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5116 * cppmain.c: s/data/opts/ when initializing cpp_reader
5118 * c-decl.c: Likewise.
5119 * objc/objc-act.c: Likewise.
5120 * fix-header.c: Likewise.
5122 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5124 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5125 with a struct file_name_list pointer.
5126 (struct cpp_reader): Add pointer to chain of `actual
5127 directory' include searchpath entries.
5128 (struct file_name_list): Add *alloc pointer for the sake of
5129 the actual-directory chain.
5131 Move definition of HOST_WIDE_INT here.
5132 (cpp_parse_escape): Change prototype to match changes in
5135 * cppfiles.c (actual_directory): New function.
5136 (finclude): Use it to initialize the buffer's actual_dir
5138 (find_include_file): We don't need to fix up max_include_len
5141 * cpplib.c (do_include): Don't allocate a file_name_list on
5142 the fly for current directory "" includes, use the one that's
5143 been preallocated in pfile->buffer->actual_dir. Hoist out
5144 duplicate code from the search_start selection logic.
5145 (cpp_reader_init): Initialize pfile->actual_dirs.
5147 Remove definition of HOST_WIDE_INT. Change calls
5148 to cpp_parse_escape to match changes in cppexp.c (note
5149 hardcoded MASK, which is safe since this is the source
5152 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5153 to handle wide character constants in #if directives. The
5154 function now returns a HOST_WIDE_INT, and takes a third
5155 argument which is a binary mask for all legal values (0x00ff
5156 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5157 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5158 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5160 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5162 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5164 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5166 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5167 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5168 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5170 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5172 * final.c (output_asm_name): Use tabs to seperate comments from
5175 Include instruction lengths (if defined) in output.
5177 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5179 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5180 in the loop_info structure.
5182 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5184 * configure.in: (arm*-*-ecos-elf): New target.
5185 * configure: Regenerated.
5186 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5187 * config/arm/ecos-elf.h: New file.
5188 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5191 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5193 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5195 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5197 * version.c: Bump for snapshot.
5199 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5201 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5204 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5206 * version.c: Bump for snapshot.
5208 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5210 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5211 compressed reports are ok and preferred over URLs
5213 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5215 * invoke.texi (Warning Options): Soften the tone of -pedantic
5217 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5219 * print-rtl.c (print_rtx): Add prototype.
5221 * unroll.c (iteration_info): Make it static.
5223 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5225 * alias.c (memrefs_conflict_p): A second ANDed address
5226 disables the aligned address optimization.
5228 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5230 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5233 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5235 * i960.h (BOOL_TYPE_SIZE): Define.
5237 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5239 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5240 from old valid_parallel_operands_4.
5241 (valid_parallel_operands_4): Check that operands for 4 operand
5242 parallel insns are valid, excluding load/store insns.
5243 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5244 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5245 valid_parallel_load_store instead of valid_parallel_operands_4.
5246 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5247 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5248 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5249 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5250 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5251 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5252 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5254 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5256 * config/c4x/c4x.c (iteration_info): Delete extern.
5258 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5260 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5262 * final.c (cleanup_subreg_operands): Delete some unused code.
5264 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5265 (struct insn_alternative): New structure definition.
5266 (recog_op_alt): Declare variable.
5267 (preprocess_constraints): Declare function.
5268 * recog.c (recog_op_alt): New variable.
5269 (extract_insn): Verify number of alternatives is in range.
5270 (preprocess_constraints): New function.
5271 * reg-stack.c: Include recog.h.
5272 (constrain_asm_operands): Delete.
5273 (get_asm_operand_lengths): Delete.
5274 (get_asm_operand_n_inputs): New function.
5275 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5276 N_OUTPUTS args. All callers changed.
5277 Compute number of inputs and outputs here by calling
5278 get_asm_operand_n_inputs.
5279 Instead of constrain_asm_operands, call extract_insn,
5280 constrain_operands and preprocess_constaints. Use information
5281 computed by these functions throughout.
5282 (record_reg_life): Delete code that is unused due to changes in
5283 record_asm_reg_life.
5284 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5285 N_INPUTS and N_OUTPUTS args. All callers changed.
5286 Similar changes as in record_asm_reg_life.
5287 (subst_stack_regs): Move n_operands declaration into the if statement
5289 Delete code that is unused due to changes in subst_asm_stack_regs.
5290 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5292 * Makefile.in (reg-stack.o): Depend on recog.h.
5294 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5296 * except.c (set_exception_version_code): Argument is an "int".
5298 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5300 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5301 * configure: Rebuilt.
5303 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5305 * configure.in (mipsel-*-linux*): New target.
5306 * mips/linux.h: New file, based on other Linux targets.
5308 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5310 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5311 runs in the context of the deleter, not the deletee, so we must
5312 use taskVarGet to find the correct memory to free.
5313 (__gthread_key_create): Initialize the task
5314 variable subsystem so that the task variable is still active when
5315 the delete hook is run.
5317 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5319 * pdp11.h: Use optimize_size for space optimizations.
5320 * pdp11.c: Likewise.
5321 * pdp11.md: Likewise.
5323 * pdp11.h (TARGET_40_PLUS): Fix typo.
5325 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5327 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5330 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5332 * alias.c (addr_side_effect_eval): New function.
5333 (memrefs_conflict_p): Use it.
5334 * rtl.h (addr_side_effect_eval): Prototype it.
5336 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5338 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5340 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5342 * reload.c (find_reloads): When force const to memory, put result
5343 in substed_operand not *recog_operand_loc.
5345 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5347 * c-lex.c: Fix indentation from last patch.
5348 Remove trailing whitespace.
5351 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5353 * flow.c (delete_block): Call set_last_insn after we have reset
5354 NEXT_INSN (kept_tail).
5356 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5358 * mips.md (trap_if): Use "$0" for the value zero.
5360 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5361 Stephen L Moshier <moshier@world.std.com>
5362 Richard Henderson <rth@cygnus.com>
5364 * c-common.c (declare_function_name): Declare predefinied variable
5367 * c-decl.c (flag_isoc9x): Set to 1 by default.
5368 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5369 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5371 * c-parse.in: Allow constructors in ISO C 9x.
5372 Rewrite designator list handling.
5373 Allow [*] parameters.
5374 Don't warn about comma at end of enum definition for ISO C 9x.
5376 * cccp.c (c9x): New variable.
5377 (rest_extension): New variable.
5378 (print_help): Document new -std= option.
5379 (main): Recognize -std= option. Set c9x appropriately.
5380 (create_definition): Recognize ISO C 9x vararg macros.
5382 * gcc.c (default_compilers): Adjust specs for -std options.
5383 (option_map): Add --std.
5384 (display_help): Document -std.
5386 * toplev.c (documented_lang_options): Add -std and remove
5389 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5390 or REAL_VALUE_HTOF based on base of the constants.
5391 * fold-const.c (real_hex_to_f): New function. Replacement function
5392 for hex FP conversion if REAL_ARITHMETIC is not defined.
5393 * real.c (asctoeg): Add handling of hex FP constants.
5394 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5397 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5399 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5400 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5401 expansion. Use hi/lo as destination register.
5403 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5404 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5405 Avoid as macro expansion. Use hi/lo as destination register.
5407 * mips.h (MASK_CHECK_RANGE_DIV): New.
5408 (MASK_NO_CHECK_ZERO_DIV): New.
5409 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5410 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5411 return address for leaf functions out of r31 to support
5412 builtin_return_address.
5414 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5416 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5417 NEXT_INSN(x) to check insn x.
5419 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5421 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5422 last insn in the rtl chain.
5424 * reload1.c (reload): Do not set reload_completed or split insns
5426 * toplev.c (rest_of_compilation): Set reload_completed after
5427 reload returns. Split insns after reload_cse has run.
5429 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5431 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5433 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5435 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5437 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5439 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5440 use of user-label_prefix.
5442 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5444 * reload1.c (emit_reload_insns): Clear spill_reg_store
5445 when doing a new non-inherited reload from the same pseudo.
5447 * local-alloc.c (function_invariant_p): New function.
5448 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5449 to decide if an equivalence should be recorded.
5450 * reload1.c (num_eliminable_invariants): New static variable.
5451 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5452 to decide if an equivalence should be recorded.
5454 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5455 Take num_eliminable_invariants into account when deciding
5456 if register elimination should be done.
5457 (reload_as_needed): Take num_eliminable_invariants into account
5458 when deciding if register elimination should be done.
5459 (eliminate_regs): Handle non-constant reg_equiv_constant.
5460 * rtl.h (function_invariant_p): Declare.
5462 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5464 * version.c: Bump for snapshot.
5466 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5468 * version.c: Bump for snapshot.
5470 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5472 * except.c (add_new_handler): Complain about additional handlers
5473 after one that catches everything.
5475 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5477 * configure.in (alpha*-*-netbsd): Fix typo.
5478 * configure: Rebuilt.
5480 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5482 * system.h: Include libiberty.h.
5484 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5485 function `concat' from fixed parameters to variable parameters,
5486 as is done in libiberty. All callers of concat/concat3
5487 changed to use the new `concat' with variable args.
5489 * cccp.c: Remove things made redundant by libiberty.h and/or
5490 conform to libiberty standards.
5492 * collect2.c: Likewise.
5493 * config/1750a/1750a.h: Likewise.
5494 * cppalloc.c: Likewise.
5495 * cppexp.c: Likewise.
5496 * cppfiles.c: Likewise.
5497 * cpphash.c: Likewise.
5498 * cpplib.c: Likewise.
5499 * dyn-string.c: Likewise.
5500 * fix-header.c: Likewise.
5503 * genattr.c: Likewise.
5504 * genattrtab.c: Likewise.
5505 * gencheck.c: Likewise.
5506 * gencodes.c: Likewise.
5507 * genconfig.c: Likewise.
5508 * genemit.c: Likewise.
5509 * genextract.c: Likewise.
5510 * genflags.c: Likewise.
5511 * gengenrtl.c: Likewise.
5512 * genopinit.c: Likewise.
5513 * genoutput.c: Likewise.
5514 * genpeep.c: Likewise.
5515 * genrecog.c: Likewise.
5516 * getpwd.c: Likewise.
5517 * halfpic.c: Likewise.
5519 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5520 in NEED_DECLARATION_* macros.
5522 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5523 conform to libiberty standards.
5524 (fatal): Fix const-ification of variable `format' in
5525 !ANSI_PROTOTYPES case.
5527 * prefix.c: Remove things made redundant by libiberty.h and/or
5528 conform to libiberty standards.
5530 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5531 conflicting with function `spaces' from libiberty.
5533 * profile.c: Remove things made redundant by libiberty.h and/or
5534 conform to libiberty standards.
5535 * protoize.c: Likewise.
5538 * tlink.c: Likewise.
5539 * toplev.c: Likewise.
5540 * toplev.h: Likewise.
5543 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5545 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5547 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5549 * README.C4X: Updated URLs.
5550 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5551 (valid_parallel_operands_5): Remove unused variable.
5553 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5555 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5557 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5559 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5560 which can be configured.
5561 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5562 (Makefile): Pass actual LANGUAGES through the environment when
5564 (cstamp-h): Likewise.
5565 (config.status): Likewise.
5567 * configure.in (enable_languages): Add new configuration parameter
5568 "--enable-languages=lang1,lang2,...".
5569 (${srcdir}/*/config-lang.in): Change handling to configure only
5570 those directories, that the user might have enabled; default to
5571 "all" existing languages.
5572 * configure: Regenerate.
5574 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5576 * rtlanal.c (regs_set_between_p): New function.
5577 * rtl.h (regs_set_between_p): Prototype it.
5578 * jump.c (jump_optimize): Use it instead of modified_between_p
5579 in the Sep 2 change.
5581 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5582 Matthias Pfaller <leo@dachau.marco.de>
5584 * invoke.texi (Option Summary, NS32K Options): add description
5585 of NS32K specific options.
5587 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5588 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5589 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5590 negdf2, absdf2): Use l instead of f since the double class and
5591 float class are no longer the same.
5592 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5593 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5594 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5595 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5597 (cmpsi, cmphi, cmpqi): use general_operand instead of
5598 non_immediate_operand. Removes erroneous assumption that can't
5600 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5601 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5603 (movstrsi, movstrsi1, movstrsi2): completely new block move
5605 (...): Patterns to exploit multiply-add instructions.
5606 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5607 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5608 patterns to exploit extended divide insns.
5609 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5612 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5613 float return values as well as simple scalar floats.
5614 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5615 support new flag to denote 32381 fpu.
5616 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5617 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5619 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5620 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5621 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5622 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5623 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5624 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5625 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5626 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5627 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5628 fpu registers and special register classes for new 32381
5629 instructions dotf and polyf.
5630 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5632 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5633 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5635 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5636 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5637 (REGISTER_MOVE_COST): move code to register_move_cost function for
5638 ease of coding and debugging.
5639 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5640 LONG_FLOAT_REGO is likely spilled but not caught by default
5642 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5643 instead of hard coded numbers in range check.
5644 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5645 (...): Add prototypes for functions in ns32k.c but disable because
5646 of problems when ns32k.h is included in machine independant files.
5648 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5649 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5650 hard_regno_mode_ok, secondary_reload_class,
5651 print_operand, print_operand_address): new register scheme to
5652 include 32381 fpu registers and special register classes for new
5653 32381 instructions dotf and polyf.
5654 (gen_indexed_expr): Make static to keep namespace clean.
5655 (check_reg): remove since never called.
5656 (move_tail, expand_block_move): helper functions for "movstrsi"
5658 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5659 Increase cost of moves which go via memory.
5660 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5661 (CPP_PREDEFINES): nolonger predefine "unix".
5663 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5664 Remove erroneous %$. print_operand() can work out from the rtx is
5665 an immediate prefix is required.
5667 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5668 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5669 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5671 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5674 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5675 Correct handling of pic operands.
5676 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5677 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5678 -mrtd calling convention.
5680 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5682 * gcc.c (option_map): Recognize --output-class-directory.
5684 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5686 * loop.h (precondition_loop_p): Added new mode argument.
5687 * unroll.c (precondition_loop_p): Likewise.
5688 (approx_final_value): Function deleted and subsumed
5689 into loop_iterations.
5690 (loop_find_equiv_value): New function.
5691 (loop_iterations): Use loop_find_equiv_value to find increments
5692 too large to be immediate constants. Also use it to find terms
5693 common to initial and final iteration values that can be removed.
5695 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5697 * loop.h (struct loop_info): Define new structure.
5698 (precondition_loop_p): Added prototype.
5699 (unroll_loop): Added new argument loop_info to prototype.
5700 (final_biv_value, final_giv_value): Added new argument n_iterations
5702 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5703 and new pointer loop_info.
5704 (loop_n_iterations): Replace global variable by element in
5705 loop_info structure.
5706 (check_final_value): New argument n_iterations.
5707 (insert_bct): New argument loop_info.
5708 (loop_unroll_factor): Replace global array by element in
5709 loop_info structure.
5710 (loop_optimize): Remove code to allocate and initialise
5711 loop_unroll_factor_array.
5712 * unroll.c (precondition_loop_p): No longer static since
5713 used by branch on count optimization.
5714 (precondition_loop_p, unroll_loop): New argument loop_info.
5715 (final_biv_value, final_giv_value, find_splittable_regs): New
5716 argument n_iterations.
5717 (loop_iteration_var, loop_initial_value, loop_increment,
5718 loop_final_value, loop_comparison_code, loop_unroll_factor):
5719 Replaced global variables by loop_info structure.
5720 (loop_unroll_factor): Replace global array by element in
5721 loop_info structure.
5723 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5725 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5728 * unroll.c (precondition_loop_p): Return loop_initial_value
5729 for initial_value instead of loop_iteration_var.
5731 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5733 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5734 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5735 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5736 to output the instruction sequences.
5738 (rptb_top): Provide alternatives to use any register or memory
5740 (rptb_end): Emit use of operands rather than assigning them
5741 explicitly to the RS and RE registers.
5743 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5745 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5746 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5747 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5748 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5749 c4x_merge_notes, c4x_parallel_process,
5750 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5751 c4x_combine_parallel): Delete.
5753 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5755 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5756 with old target options clear flag_branch_on_count_reg if
5757 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5759 (c4x_output_cbranch): Handle a sequence of insns rather than a
5761 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5762 has not been allocated as the loop counter.
5763 (c4x_address_conflict): Do not allow two volatile memory references.
5764 (valid_parallel_operands_4, valid_parallel_operands_5,
5765 valid_parallel_operands_6): Reject pattern if the register destination
5766 of the first set is used as part of an address in the second set.
5768 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5770 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5771 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5772 is no longer enabled if PARALLEL_MPY_FLAG set.
5773 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5774 (REG_CLASS_CONTENTS): Add braces around initializers.
5775 (HAVE_MULTIPLE_PACK): Define.
5776 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5777 REAL_VALUE_TO_DECIMAL.
5778 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5779 REAL_VALUE_TO_DECIMAL.
5780 (ar0_reg_operand): Add prototype.
5781 (ar0_mem_operand): Likewise.
5782 (ar1_reg_operand): Likewise.
5783 (ar1_mem_operand): Likewise.
5784 (ar2_reg_operand): Likewise.
5785 (ar2_mem_operand): Likewise.
5786 (ar3_reg_operand): Likewise.
5787 (ar3_mem_operand): Likewise.
5788 (ar4_reg_operand): Likewise.
5789 (ar4_mem_operand): Likewise.
5790 (ar5_reg_operand): Likewise.
5791 (ar5_mem_operand): Likewise.
5792 (ar6_reg_operand): Likewise.
5793 (ar6_mem_operand): Likewise.
5794 (ar7_reg_operand): Likewise.
5795 (ar7_mem_operand): Likewise.
5796 (ir0_reg_operand): Likewise.
5797 (ir0_mem_operand): Likewise.
5798 (ir1_reg_operand): Likewise.
5799 (ir1_mem_operand): Likewise.
5800 (group1_reg_operand): Likewise.
5801 (group1_mem_operand): Likewise.
5802 (ir1_reg_operand): Likewise.
5803 (arx_reg_operand): Likewise.
5804 (not_rc_reg): Likewise.
5805 (not_modify_reg): Likewise.
5806 (c4x_group1_reg_operand): Remove prototype.
5807 (c4x_group1_mem_operand): Likewise.
5808 (c4x_arx_reg_operand): Likewise.
5810 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5812 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5813 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5815 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5817 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5820 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5822 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5823 unless FMOVD_WORKS is defined.
5825 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5827 * regclass.c (init_reg_sets): Move code that calculates tables
5828 dependent on reg_class_contents from here...
5829 (init_reg_sets_1): To here.
5831 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5833 * cpplib.h: Delete struct import_file. Add ihash element to
5834 struct cpp_buffer. Delete dont_repeat_files and
5835 import_hash_table elements from cpp_reader; change
5836 all_include_files to a hash table. Delete all foobar_include
5837 / last_foobar_include elements from struct cpp_options; put
5838 back four such: quote_include, bracket_include,
5839 system_include, after_include. Redo struct file_name_list
5840 completely. Add new structure type include_hash. Add
5841 prototypes for merge_include_chains and include_hash. Change
5842 prototypes for finclude, find_include_file, and
5843 append_include_chain to match changes below.
5845 * cppfiles.c (simplify_pathname, include_hash,
5846 remap_filename, merge_include_chains): New functions.
5847 (add_import, lookup_import, open_include_file): Removed.
5848 (INO_T_EQ): Define this (copied from cccp.c).
5849 (hack_vms_include_specification): Remove all calls and #if 0
5850 out the definition. It was being called incorrectly and at
5851 the wrong times. Until a VMSie can look at this, it's better
5852 to not pretend to support it.
5853 (append_include_chain): Change calling convention; now takes
5854 only one directory at a time, and sets up the data structure
5856 (redundant_include_p): Rewritten - this is now used for all
5857 include redundancy, whether by #ifndef, #import, or #pragma
5858 once. Looks up things in the include hash table.
5859 (file_cleanup): Decrement pfile->system_include_depth here if
5861 (find_include_file): Calling convention changed; now passes
5862 around a struct include_hash instead of 3 separate parameters.
5863 Guts ripped out and replaced with new include_hash mechanism.
5864 (finclude): Calling convention changed as for
5865 find_include_file. Error exits pulled out-of-line. Reformat.
5866 (safe_read): Return a long, not an int.
5867 (deps_output): Don't recurse.
5869 * cpplib.c (is_system_include): Deleted.
5870 (path_include): Fix up call to append_include_chain.
5871 (do_include): Fix up calls to find_include_file and finclude.
5872 Clean up dependency output a bit. Shorten obnoxiously lengthy
5873 #import warning message. Don't decrement
5874 pfile->system_include_depth here.
5875 (do_pragma): Understand the include_hash structure. Reformat.
5876 (do_endif): Correct handling of control macros. Understand
5878 (cpp_start_read): Fix up calls to finclude. Call
5879 merge_include_chains.
5880 (cpp_handle_option): Fix up calls to append_include_chain.
5881 Understand the four partial include chains.
5882 (cpp_finish): Add debugging code (#if 0-ed out) for the
5884 (cpp_cleanup): Free the include_hash, not the import hash and
5885 the all_include and dont_repeat lists which no longer exist.
5887 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
5889 * toplev.c (no_new_pseudos): Define.
5890 (rest_of_compilation): Set no_new_pseudos as needed.
5891 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
5892 if no_new_pseudos is set.
5893 * rtl.h (no_new_pseudos): Declare it.
5894 * reload1.c (reload): Update comments.
5895 * md.texi: Corresponding changes.
5897 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5899 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
5900 (choose_reload_regs): Rename it here as well. When computing it,
5901 also merge in used hardregs.
5903 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5905 * gcc.c: Split out Objective-C specs to...
5906 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
5909 * c-lex.c (init_parse): Always initialize the filename global.
5910 * objc/objc-act.c (lang_init): Always call check_newline at
5913 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
5915 * reload1.c (reload): Remove unused variable.
5916 (reload_reg_free_for_value_p): Add missing parameter definition.
5918 * jump.c (jump_optimize): Remove unused variable.
5920 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
5922 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
5924 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
5926 * expr.c (move_by_pieces): Similarly.
5927 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
5928 * flow.c (find_auto_inc): Similarly.
5929 (try_pre_increment): Similarly.
5930 * loop.c (strength_reduce): Similarly.
5931 * regclass.c (auto_inc_dec_reg_p): Similarly.
5932 * regmove.c (try_auto_increment): Similarly.
5933 (fixup_match_1): Similarly.
5934 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
5935 (HAVE_PRE_DECREMENT): Similarly.
5936 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
5937 * Corresponding changes to all target header files.
5938 * tm.texi: Update docs for autoinc addressing modes.
5940 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
5942 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
5943 * configure: Rebuild.
5944 * config/elfos.h: New file.
5945 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
5946 config/m68k/t-m68kelf: New file.
5948 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
5950 * Makefile.in (HOST_AR): Define.
5951 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
5952 (libcpp.a): Use the host tools explicitly.
5953 (STAGESTUFF): Add libcpp.a.
5955 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
5957 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
5958 to source and destination registers.
5960 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
5962 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
5963 The strategy we now use is to pre allocate the top_elt along
5964 with the EH context so that each thread has its own top_elt.
5965 This is necessary as the dynmanic cleanup chain is used on the
5966 top element of the stack and each thread MUST have its own.
5967 (eh_context_static): Likewise.
5968 (new_eh_context): Likewise.
5969 (__sjthrow): Likewise.
5971 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5973 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5974 * i386.md (prologue_get_pc): Remove unused variable.
5976 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5978 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5980 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5982 * Makefile.in (OBJS): Add graph.o
5983 (graph.o): New dependency list.
5984 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5985 * print-rtl.c (dump_for_graph): Define new variable.
5986 (print_rtx): Rewrite to allow use in graph dumping functions.
5987 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5988 finish_graph_dump_file.
5989 Define graph_dump_format.
5990 (compile_file): If graph dumping is enabled also clear these files.
5991 Finish graph dump files.
5992 (rest_of_compilation): Also dump graph information if enabled.
5993 (main): Recognize -dv to enabled VCG based graph dumping.
5994 * graph.c: New file. Graph dumping functions.
5996 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5998 * configure.in: Look for <sys/stat.h>.
5999 * system.h: Include it before substitute S_ISREG definitions.
6001 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
6003 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
6004 * config/mips/iris6.h: Same.
6005 * config/mips/mips.md: Same.
6006 * config/mips/mips.c: Same; also add "-mabi=o64" option.
6007 * config/mips/mips.h: Same; also define ABI_O64.
6009 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6011 * configure.in: Use AC_PREREQ(2.12.1).
6013 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6015 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
6016 * cpplib.c, gcc.c: Likewise.
6017 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
6019 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
6021 * local-alloc.c (local_alloc): Use malloc not alloca for
6022 reg_qty, reg_offset, ref_next_in_qty.
6024 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6026 * caller-save.c (insert_one_insn): Initialize the live_before and
6027 live_after register sets.
6031 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
6032 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
6033 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
6034 (fp_reg_names, assembler_dialect): New variables.
6035 (print_operand_address): Handle SUBREGs.
6036 (print_operand): Added 'o' case.
6037 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
6038 Name of FP registers depends on mode.
6039 (expand_block_move): Emit different code for SH4 hardware.
6040 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
6041 (from_compare): Likewise.
6042 (add_constant): New argument last_value. Changed all callers.
6043 (find_barrier): Don't try HImode load for FPUL_REG.
6044 (machine_dependent_reorg): Likewise.
6045 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6046 (gen_far_branch): Emit a barrier after the new jump.
6047 (barrier_align): Don't trust instruction lengths before
6049 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6050 Use auto-inc addressing for fp registers if doubles need to
6051 be loaded in two steps.
6052 Set sh_flag_remove_dead_before_cse.
6053 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6054 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6055 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6056 Support for FIRST_XD_REG .. LAST_XD_REG.
6057 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6058 (sh_expand_epilogue): Likewise.
6059 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6060 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6061 (arith_reg_operand): FPUL_REG is OK for SH4.
6062 (fp_arith_reg_operand, fp_extended_operand) New functions.
6063 (tertiary_reload_operand, fpscr_operand): Likewise.
6064 (commutative_float_operator, noncommutative_float_operator): Likewise.
6065 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6066 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6067 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6068 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6069 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6070 (CONDITIONAL_REGISTER_USAGE): Likewise.
6071 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6072 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6073 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6074 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6075 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6076 to -1 and sh_flag_remove_dead_before_cse to 1.
6077 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6078 (assembler_dialect, fp_reg_names): Declare.
6079 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6080 Hide names of registers that are not accessible.
6081 (CACHE_LOG): Take TARGET_CACHE32 into account.
6082 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6083 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6084 (FIRST_PSEUDO_REGISTER: Now 49.
6085 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6086 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6087 (HARD_REGNO_MODE_OK): Update.
6088 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6089 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6090 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6091 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6092 (NPARM_REGS): Eight floating point parameter registers on SH4.
6093 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6094 in floating point registers.
6095 (GET_SH_ARG_CLASS) Likewise.
6096 Complex float types are also returned in float registers.
6097 (BASE_ARG_REG): Complex float types are also passes in float registers.
6098 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6099 (LIBCALL_VALUE): Remove trailing semicolon.
6100 (ROUND_REG): Round when double precision value is passed in floating
6102 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6103 passed on the stack.
6104 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6105 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6106 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6107 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6108 (MODE_DISP_OK_8): Not for SH4 DFmode.
6109 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6110 Allow indexed addressing for PSImode after reload.
6111 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6112 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6113 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6114 (DOUBLE_TYPE_SIZE): 64 for SH4.
6115 (RTX_COSTS): Add PLUS case.
6116 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6117 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6118 MAC_REGS, PR_REGS, DF_REGS.
6119 (REGISTER_NAMES): Use fp_reg_names.
6120 (enum processor_type): Add PROCESSOR_SH4.
6121 (sh_flag_remove_dead_before_cse): Declare.
6122 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6123 (PREDICATE_CODES): Add binary_float_operator,
6124 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6125 fpscr_operand, noncommutative_float_operator.
6126 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6127 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6128 * sh.md (attribute cpu): Add value sh4.
6129 (attrbutes fmovd, issues): Define.
6130 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6131 (function units memory, int, mpy, fp): Make dependent on issue rate.
6132 (function units issue, single_issue, load_si, load): Define.
6133 (function units load_store, fdiv, gp_fpul): Define.
6134 (attribute hit_stack): Provide proper default.
6135 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6136 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6137 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6138 (mulsi3_call): Now uses match_operand for function address.
6139 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6141 (push, pop, push_e, pop_e): Now define_expands.
6142 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6143 (movsi_ie): Added y/i alternative.
6144 (ic_invalidate_line_i, movdf_i4): New insns.
6145 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6146 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6147 (movdf): Add special code for SH4.
6148 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6149 (call_valuei, calli, call_value): Likewise.
6150 (movsf): Emit no-op move.
6151 (mov_nop, movsi_y): New insns.
6152 (blt, sge): generalize to handle DFmode.
6153 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6154 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6155 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6156 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6157 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6158 (toggle_sz): New insn.
6159 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6160 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6161 (macsf3): Make use of fpscr visible. Disable for SH4.
6162 (floatsisf2): Make use of fpscr visible.
6163 (floatsisf2_i4): New insn.
6164 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6165 (ieee_ccmpeqsf_t): Likewise.
6166 (fix_truncsfsi2): Emit different code for SH4.
6167 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6168 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6169 (negsf2, sqrtsf2, abssf2): Now expanders.
6170 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6171 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6172 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6173 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6174 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6175 (fix_truncdfsi2_i4_2+1): New splitters.
6176 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6177 (extendsfdf2, truncdfsf2): New expanders.
6178 (truncdfsf2_i4): New insn.
6179 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6180 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6181 * float-sh.h: When testing for __SH3E__, also test for
6182 __SH4_SINGLE_ONLY__ .
6183 * va-sh.h (__va_freg): Define to float.
6184 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6185 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6186 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6187 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6189 (TARGET_SH4_P): Define.
6192 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6193 init_expr_once is satisfied about the existence of load / store insns.
6195 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6196 change m constraint in source operand to mr / mf .
6198 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6200 * (__VA_REEF): Define.
6201 (__va_arg_sh1): Use it.
6203 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6205 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6207 * i386/dgux.c (struct option): Add new "description field".
6208 * m88k/m88k.c (struct option): Likewise.
6210 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6212 * version.c: Bump for snapshot.
6214 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6216 * regmove.c (regmove_profitable_p): Use return value of find_matches
6219 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6221 * version.c: Bump for snapshot.
6223 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6225 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6226 without reload having been called earlier.
6228 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6230 (v850_reorg): Similarly.
6232 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6234 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6236 * loop.c (move_movables): Start of libcall might be new loop start.
6238 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6240 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6242 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6244 * function.c (nonlocal_goto_handler_slots): Renamed from
6245 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6246 (push_function_context_to): Adjust for this change.
6247 (pop_function_context_from): Likewise.
6248 (init_function_start): Likewise.
6249 (expand_function_end): Likewise.
6250 * function.h (struct function): Likewise.
6251 * calls.c (expand_call): Likewise.
6252 * explow.c (allocate_dynamic_stack_space): Likewise.
6253 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6254 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6256 (expand_goto): When doing a nonlocal goto, find corresponding handler
6257 slot for it. Don't put the label address in the static chain register.
6258 (expand_end_bindings): Break out nonlocal goto handling code into
6259 three new functions.
6260 (expand_nl_handler_label, expand_nl_goto_receiver,
6261 expand_nl_goto_receivers): New static functions, broken out of
6262 expand_end_bindings and adapted to create one handler per nonlocal
6264 * function.c (delete_handlers): Delete insn if it references any of
6265 the nonlocal goto handler slots.
6266 * i960.md (nonlocal_goto): Comment out code that modifies
6268 * sparc.md (nonlocal_goto): Likewise.
6269 (goto_handler_and_restore_v9): Comment out.
6270 (goto_handler_and_restore_v9_sp64): Comment out.
6272 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6274 * expr.c (STACK_BYTES): Delete unused macro.
6275 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6276 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6277 (expand_call): Likewise.
6278 (emit_library_call): Likewise.
6279 (emit_library_call_value): Likewise.
6280 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6281 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6282 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6283 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6284 (allocate_dynamic_stack_space): Likewise.
6285 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6286 (STACK_BOUNDARY): Update description to reflect the new situation.
6288 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6290 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6291 return with a filled delay slot is followed by a return with an
6292 unfilled delay slot, delete the first return and reemit the insn
6293 that was previously in its delay slot.
6295 * i860.c (single_insn_src_p): Add missing parens.
6296 * ginclude/math-3300.h: Likewise.
6298 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6300 * regclass.c (init_reg_sets_1): Add prototype.
6301 (init_reg_modes): Likewise.
6303 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6305 * c-common.c: Change warning messages to say `comparison is
6306 always true' or `comparison is always false' instead of the
6307 confusing `is always 0', `is always 1'.
6309 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6311 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6312 break instead of return (which loses closing '>').
6314 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6316 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6317 standard 387 constants.
6319 * i386.md (jump): Explicitly set "memory" attribute.
6320 (indirect_jump, prologue_set_stack_ptr): Likewise.
6321 (prologue_get_pc_and_set_got, pop): Likewise.
6322 (allocate_stack_worder, blockage, return_internal): Likewise.
6323 (return_pop_internal, nop): Likewise.
6324 (epilogue_set_stack_ptr, leave): Likewise.
6326 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6328 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6330 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6332 * reload1.c (reload_reg_free_for_value_p):
6333 Early auto_inc reloads don't conflict with outputs.
6335 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6337 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6338 Instead call AC_HEADER_SYS_WAIT.
6340 * collect2.c: Don't provide defaults for sys/wait.h macros.
6342 * protoize.c: Likewise. Also, don't include sys/wait.h.
6344 * system.h: Include sys/wait.h and provide macro defaults.
6346 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6348 * Makefile.in (mandir): Set to @mandir@.
6349 (man1dir): New variable to hold the former value of $(mandir).
6350 Replace all uses of $(mandir) by $(man1dir).
6352 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6354 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6355 a new one before passing it to force_const_mem.
6357 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6358 find_reloads_address call.
6360 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6362 * expr.c (store_expr): Don't generate load-store pair
6363 if TEMP is identical (according to ==) with TARGET.
6365 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6367 * reload1.c (reload_reg_free_for_value_p): When considered reload
6368 has an output, matching inputs are not sufficient to avoid conflict.
6370 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6372 * hash.h (hash_table_key): New type.
6373 (hash_entry): Change `string' field to generic `key'.
6374 (hash_table): Add `comp' and `hash' functions.
6375 (hash_table_init): Take them as input.
6376 (hash_table_init_n): Likewise.
6377 (hash_lookup): Modify for generic keys.
6378 (hash_newfunc): Likewise.
6379 (hash_traverse): Likewise.
6380 (string_hash): New function.
6381 (string_compare): Likewise.
6382 (string_copy): Likewise.
6383 * hash.c (hash_table_init_n): Modify for generic keys.
6384 (hash_table_init): Likewise.
6385 (hash_lookup): Likewise.
6386 (hash_newfunc): Likewise.
6387 (hash_traverse): Likewise.
6388 (string_hash): Split out from hash_lookup.
6389 (string_compare): New function.
6390 (string_copy): Split out from hash_lookup.
6391 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6393 (symbol_hash_lookup): Likewise.
6394 (file_hash_newfunc): Likewise.
6395 (file_hash_lookup): Likewise.
6396 (demangled_hash_newfunc): Likewise.
6397 (demangled_hash_lookup): Likewise.
6398 (tlink_int): Likewise.
6399 (read_repo_file): Likewise.
6400 (recompile_files): Likewise.
6401 (demangle_new_symbols): Likewise.
6402 (scan_linker_output): Likewise.
6404 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6406 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6408 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6410 * rs6000.c (output_mi_thunk): Improve test for local branch.
6412 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6414 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6416 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6418 * reload1.c (reload_reg_free_before_p): Delete.
6419 Changed all callers to use reload_reg_free_for_value_p instead.
6420 (reload_reg_free_for_value_p): Handle more reload types.
6421 A RELOAD_FOR_INPUT doesn't conflict with its
6422 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6423 Add special case for OUT == const0_rtx.
6424 Added ignore_address_reloads argument. Changed all callers.
6426 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6428 * toplev.c (compile_file): Don't pedwarn about undefined static
6429 functions just because we passed -Wunused.
6431 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6433 * function.c (purge_addressof_1): Unshare rtl created by
6436 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6438 * regmove.c (regmove_optimize): Don't do anything but
6439 optimize_reg_copy[123] when flag_regmove is not set.
6441 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6443 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6444 value in paradoxical SImode result, rather than truncating midpoint.
6446 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6448 * alpha.c (reg_not_elim_operand): New.
6449 * alpha.h (PREDICATE_CODES): Add it.
6450 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6451 for the multiplicand.
6453 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6455 * rs6000.md (movsf): Remove explicit secondary-reload-like
6456 functionality. Only truncate SFmode store if in FPR.
6457 (movsf splitters): Combine const_double splitters.
6458 (movsf_hardfloat): Add GPR support.
6460 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6462 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6463 deprecate -mlive-g0 and -mbroken-saverestore.
6464 * t-splet (MULTILIB_OPTIONS): Likewise.
6466 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6467 in a leaf function. Clarify total_size/extra_size relationship.
6469 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6471 * i386/cygwin32.asm: Delete.
6472 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6473 * i386/cygwin32.h: Delete.
6474 * i386/cygwin.h: New file, renamed from cygwin32.h.
6475 * i386/t-cygwin32: Delete.
6476 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6477 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6478 * i386/x-cygwin32: Delete.
6479 * i386/x-cygwin: New file, renamed from x-cygwin32.
6480 * i386/xm-cygwin32: Delete.
6481 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6482 renamed cygwin_ funcs for path translations.
6483 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6484 * i386/winnt.c: Remove "32" from comment about cygwin.
6485 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6486 * rs6000/cygwin32.h: Delete.
6487 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6488 -D__CYGWIN__ to CPP_PREDEFINES.
6489 * rs6000/x-cygwin32: Delete.
6490 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6491 * rs6000/xm-cygwin32: Delete.
6492 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6494 * configure.in: Check for cygwin* instead of cygwin32. Account
6495 for the rename of cygwin-related config files to lose the "32"s.
6496 * configure: Regenerate.
6498 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6499 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6501 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6503 * Makefile.in (JAVAGC): New macro.
6504 * configure: Rebuilt.
6505 * configure.in: Recognize --enable-java-gc argument. Subst
6508 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6510 Handle equivalences that have been obscured by gcse:
6512 * reload1.c (reload): Handle equivalences set up in multiple places.
6513 * local-alloc.c (reg_equiv_init_insns): New variable.
6514 (no_equiv): New function.
6515 (update_equiv_regs): Handle equivalences set up in multiple places.
6516 Don't ignore an insn just because its destination is likely to be
6519 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6521 * except.c (expand_eh_return): Readd force_operand call lost in
6524 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
6526 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6528 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6530 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6532 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6534 * regmove.c (regmove_optimize): Fix error in last change.
6536 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6538 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6539 offset in the .mask pseudo to compensate for frame pointer adjustments.
6540 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6541 word swap arguments moved to/from FP registers.
6542 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6544 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6546 * version.c: Bump for snapshot.
6548 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6550 * version.c: Bump for snapshot.
6552 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6554 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6555 times, then it can not be completely replaced.
6557 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6559 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6561 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6563 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6564 (to distinguish it from the macro wrapping ansidecl.h.)
6565 Include libiberty's ansidecl.h. Remove all redundant definitions.
6566 Define the PROTO() style macros in terms of the PARAMS() ones.
6569 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6570 __STDC__, when deciding whether to use ANSI variable args.
6571 (emit_library_call_value): Likewise.
6573 * cccp.c (error): Likewise.
6574 (warning): Likewise.
6575 (error_with_line): Likewise.
6576 (warning_with_line): Likewise.
6577 (pedwarn): Likewise.
6578 (pedwarn_with_line): Likewise.
6579 (pedwarn_with_file_and_line): Likewise.
6582 * cexp.y (error): Likewise.
6583 (pedwarn): Likewise.
6584 (warning): Likewise.
6586 * collect2.c (fatal_perror): Likewise.
6590 * combine.c (gen_rtx_combine): Likewise.
6592 * cpperror.c (cpp_message): Likewise.
6593 (cpp_fatal): Likewise.
6595 * cpplib.c (cpp_error): Likewise.
6596 (cpp_warning): Likewise.
6597 (cpp_pedwarn): Likewise.
6598 (cpp_error_with_line): Likewise.
6599 (cpp_warning_with_line): Likewise.
6600 (cpp_pedwarn_with_line): Likewise.
6601 (cpp_pedwarn_with_file_and_line): Likewise.
6603 * cpplib.h: Don't define PARAMS() macro.
6605 * demangle.h: Likewise.
6607 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6608 when deciding whether to use ANSI variable args.
6610 * emit-rtl.c (gen_rtx): Likewise.
6611 (gen_rtvec): Likewise.
6613 * final.c (asm_fprintf): Likewise.
6615 * fix-header.c (cpp_message): Likewise.
6617 (cpp_fatal): Likewise.
6619 * gcc.c (concat): Likewise.
6623 * genattr.c (fatal): Likewise.
6625 * genattrtab.c (attr_rtx): Likewise.
6626 (attr_printf): Likewise.
6629 * gencodes.c (fatal): Likewise.
6631 * genconfig.c (fatal): Likewise.
6633 * genemit.c (fatal): Likewise.
6635 * genextract.c (fatal): Likewise.
6637 * genflags.c (fatal): Likewise.
6639 * genopinit.c (fatal): Likewise.
6641 * genoutput.c (fatal): Likewise.
6644 * genpeep.c (fatal): Likewise.
6646 * genrecog.c (fatal): Likewise.
6648 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6649 deciding whether to declare `tree_node' and `rtx_def'.
6651 * hash.h: Don't define stuff we get from gansidecl.h.
6653 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6654 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6655 whether to use ANSI variable args.
6658 * prefix.c (concat): Likewise.
6662 * system.h: Likewise.
6664 * toplev.c (error_with_file_and_line): Likewise.
6665 (error_with_decl): Likewise.
6666 (error_for_asm): Likewise.
6669 (warning_with_file_and_line): Likewise.
6670 (warning_with_decl): Likewise.
6671 (warning_for_asm): Likewise.
6672 (warning): Likewise.
6673 (pedwarn): Likewise.
6674 (pedwarn_with_decl): Likewise.
6675 (pedwarn_with_file_and_line): Likewise.
6677 (really_sorry): Likewise.
6679 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6680 whether to declare `tree_node' and `rtx_def'.
6682 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6683 deciding whether to use ANSI variable args.
6684 (build_nt): Likewise.
6685 (build_parse_node): Likewise.
6687 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6689 * version.c: Bump for snapshot.
6691 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6693 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6695 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
6697 * collect2.c (main, case 'b'): Use else if.
6699 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6701 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6702 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6703 before the config/ directory headers.
6704 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6705 gansidecl.h in the list of dependencies.
6707 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6708 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6709 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6710 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6711 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6712 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6715 * cccp.c: Don't include gansidecl.h.
6717 * collect2.c: Likewise.
6718 * config/c4x/c4x.c: Likewise.
6719 * config/v850/v850.h: Likewise.
6720 * cppalloc.c: Likewise.
6721 * cpperror.c: Likewise.
6722 * cppexp.c: Likewise.
6723 * cppfiles.c: Likewise.
6724 * cpphash.c: Likewise.
6725 * cpplib.c: Likewise.
6726 * cppmain.c: Likewise.
6727 * cppulp.c: Likewise.
6728 * demangle.h: Likewise.
6729 * doprint.c: Likewise.
6730 * dyn-string.c: Likewise.
6731 * eh-common.h: Likewise.
6732 * fix-header.c: Likewise.
6733 * frame.c: Likewise.
6736 * gen-protos.c: Likewise.
6737 * gencheck.c: Likewise.
6738 * halfpic.h: Likewise.
6740 * machmode.h: Likewise.
6741 * mbchar.c: Likewise.
6742 * prefix.c: Likewise.
6743 * protoize.c: Likewise.
6744 * recog.h: Likewise.
6746 * scan-decls.c: Likewise.
6748 * varray.h: Likewise.
6750 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6752 * i386.md (call_value_pop): If we're not popping anything,
6753 defer to call_value.
6754 (call_pop): Likewise defer to call.
6756 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6758 * function.c (purge_addressof): Clear purge_addressof_replacements
6759 only after processing the whole function.
6761 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6763 * reload1.c (reload): If we can not perform a particular elimination
6764 when we thought we could earlier, then we must always iterate through
6765 the loop at least one more time.
6767 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6769 * alpha.c (add_operand): Simplify the CONST_INT match.
6770 (sext_add_operand): Correct typo in comparison by using
6771 CONST_OK_FOR_LETTER_P.
6772 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6773 constant alternatives to be generated.
6774 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6775 small constants, since the hw instructions do.
6777 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6779 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6780 previous insn to store directly into our reload register, make sure
6781 that if the source of the previous insn is a reload register, its
6782 spill_reg_store and spill_reg_stored_to values are cleared.
6784 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
6786 * rs6000.md (floatunssidf2_internal splitter): Use base register
6787 operand, not hard-coded SP.
6789 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6791 * jump.c (calculate_can_reach_end): Fix thinko.
6793 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6795 * reorg.c (fill_simple_delay_slots): Fix typo.
6797 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6799 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6801 * i386.md (extendsidi2): Use # in the output template.
6802 (extendsidi splitters): New splitters.
6804 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6806 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6808 * configure: Regenerate.
6810 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6812 * jump.c (init_label_info, delete_barrier_successors,
6813 mark_all_labels, delete_unreferenced_labels,
6814 delete_noop_moves, calculate_can_reach_end): New functions broken
6815 out of jump_optimize.
6816 (jump_optimize): Use them.
6818 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6820 * except.c (expand_fixup_region_end): Make sure outer context labels
6821 are not issued in an inner context during cleanups.
6823 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6825 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6828 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6830 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6831 to expose this midpoint to CSE.
6833 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6835 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6837 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6839 * configure.in: Bring over gcc2 change of Nov 19 1997.
6841 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6843 * toplev.c (output_lang_identify): Make definition dependent on
6844 ASM_IDENTIFY_LANGUAGE.
6846 * print-rtl.c (spaces): Make static.
6848 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6850 * extend.texi: Clarify proper uses for register clobbers in asms.
6852 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6854 * recog.h (enum op_type): Define.
6855 (constrain_operands): Adjust prototype.
6856 (recog_op_type): Declare new variable.
6857 * recog.c (recog_op_type): New variable.
6858 (insn_invalid_p): Allow modifying an asm statement after reload.
6859 (extract_insn): Set up recog_op_type.
6860 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6861 Don't compute operand types, use recog_op_type.
6862 Use the information computed by extract_insn instead of the previous
6863 method of finding it by insn code number.
6864 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6865 * reorg.c (fill_slots_from_thread): Likewise.
6866 * reload1.c (reload_as_needed): Likewise.
6867 (gen_reload): Likewise.
6868 (inc_for_reload): Likewise.
6869 (reload_cse_simplify_operands): Likewise.
6870 Use the information computed by extract_insn instead of the previous
6871 method of finding it by insn code number.
6872 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6874 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6875 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6876 Use the information computed by extract_insn instead of the previous
6877 method of finding it by insn code number.
6878 * regmove.c (find_matches): Likewise. Change meaning of the return
6879 value to be nonzero if the optimization can be performed, zero if
6880 not. All callers changed.
6881 Shorten some variable names to fix formatting problems.
6882 (regmove_optimize): Shorten some variable names to fix formatting
6884 Use the information computed by extract_insn instead of the previous
6885 method of finding it by insn code number.
6886 * regclass.c (scan_one_insn): Likewise.
6887 (record_reg_classes): Don't compute operand types, use recog_op_type.
6888 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
6889 recog_constraints instead.
6891 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
6893 * rtl.h (flow2_completed): Declare.
6894 * flow.c (flow2_completed): Definition.
6895 * toplev.c (rest_of_compilation): Set and clear flow2_completed
6898 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6900 * Makefile.in (libcpp.a): Ranlib libcpp.a
6902 * cppulp.c (user_label_prefix): Initialize.
6904 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
6906 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
6907 at a RETURN if current_function_sp_is_unchanging is set.
6909 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6911 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
6913 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
6915 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
6916 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
6917 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
6918 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
6919 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
6920 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
6922 (LIB_SPEC): Handle -mno-cyginw option.
6923 (LINK_SPEC): Handle -mdll.
6925 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6927 * reload.c (find_reloads): Fix test for usage by other reload
6928 to handle secondary reloads properly.
6930 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6932 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
6933 intermediate structure which has exactly the members provided by
6934 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
6935 static intermediate structure.
6937 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
6938 from the intermediate structure. Do the same analogous fix in
6939 the case where ELIMINABLE_REGS is not defined.
6941 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
6943 * pa.h (SELECT_SECTION): Fix thinko.
6945 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
6947 * dwarf2out.c (output_call_frame_info): Comments on last change.
6949 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
6951 * arm.c (add_constant): When taking the address of an item in the
6952 pool, get the mode of the item addressed.
6954 * arm.c (final_prescan_insn case INSN): If an insn doesn't
6955 contain a SET or a PARALLEL, don't consider it for conditional
6958 Restore ABI compatibility for NetBSD.
6959 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
6961 (RETURN_IN_MEMORY): Likewise.
6963 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
6965 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
6966 (m32r_output_block_move): Rewrite bytes < 4 handling.
6968 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6970 * configure.in: Call AC_FUNC_VFORK.
6972 * collect2.c: Define VFORK_STRING as a printable string for
6973 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6974 defined, include vfork.h. If VMS is defined, define vfork()
6975 appropriately. Remove vfork check on USG, we're using autoconf.
6976 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6977 checking locally what string to pass.
6978 (scan_prog_file): Likewise.
6979 (scan_libraries): Likewise.
6981 * gcc.c: Remove vfork check on USG, we're using autoconf.
6982 Besides, no calls to vfork/fork occur in this file.
6984 * protoize.c: Likewise.
6986 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6988 * configure.in (DEFAULT_LINKER): renamed from LD
6989 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6990 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6991 * configure: rebuilt
6993 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6995 * BUGS: fix the regexp for `more' to find the appropriate node.
6996 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6998 * BUGS: added link to the WWW FAQ
7000 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
7002 * version.c: Bump for snapshot.
7004 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
7006 * From Christian Gafton:
7007 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
7008 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
7009 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
7011 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
7013 * c-common.c (c_get_alias_set): Allow all type-punning through
7014 unions. Don't get confused about the type of a bit-field, despite
7015 the antics of build_modify_expr.
7017 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
7019 * fixinc.sco: Paramaterize #include_next values.
7020 * fixinc/fixinc.sco: Likewise.
7022 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
7024 * toplev.c (rest_of_compilation): No longer set reload_completed.
7025 * reload1.c (reload): Set it here. Perform instruction splitting
7026 after reload has completed if we will be running the scheduler
7029 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
7031 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
7032 EH region if exceptions are enabled and we're performing cross
7034 (find_cross_jump): Exit loop if the insns are in different EH regions.
7036 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
7038 * dwarf2out.c (output_call_frame_info): Use
7039 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
7041 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7043 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7044 * c-common.c (check_format_info): Don't check for the 'x'
7045 format character twice, instead check for 'x' and 'X'
7047 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7049 * configure.in (assembler features): Also make gas is configured if
7050 we find it in the souce tree.
7052 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7054 * i386.c (i386_comp_type_attributes): Compare whether the
7055 attributes are defined, not their tree nodes.
7057 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7059 * configure.in (gxx_include_dir): bitten by autoconf quoting
7061 * configure: rebuilt
7063 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7065 * configure.in: Ignore non-absolute value in $AS.
7067 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7069 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7071 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7073 * configure.in (msdosdjgpp): Set exeext and target_alias.
7075 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7077 * flow.c (XNMALLOC): New macro.
7078 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7080 (add_edge, add_edge_to_label): New static functions.
7081 (free_bb_memory): New function.
7082 (flow_delete_insn): Delete function.
7083 (basic_block_drops_in): Delete variable.
7084 (find_basic_blocks): Allocate and initialize basic_block_head,
7085 basic_block_succ. Don't allocate basic_block_drops_in.
7086 Call free_bb_memory at the beginning.
7087 (find_basic_blocks_1): Don't do multiple passes.
7088 Delete code to compute basic_block_drops_in.
7089 After calling make_edges, mark blocks reached by current block live.
7090 Update test for unreachable live blocks.
7091 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7093 Simplify to call add_edge_to_label when a LABEL_REF is found.
7094 (make_edges): Simplify to call add_edge_to_label instead of
7095 mark_label_ref most of the time.
7096 Compute here whether control drops into the next block.
7097 (delete_unreachable_blocks): Return void. All callers changed.
7098 Delete unreachable blocks in reverse order.
7099 After deleting all unreachable blocks, renumber the remaining ones
7100 and update n_basic_blocks.
7101 (delete_block): Speed up deletion a bit.
7102 Don't set basic_block_drops_in for deleted blocks.
7103 (free_basic_block_vars): Don't free basic_block_drops_in.
7104 (life_analysis_1): Update to use new edge representation.
7105 (dump_flow_info): Delete code to print basic block info; call
7106 dump_bb_data instead.
7107 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7108 and uid_block_number.
7109 Simply copy the previously computed cfg.
7110 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7111 Print register lifetime information if LIVE_INFO is nonzero.
7112 * basic-block.h (dump_bb_data): Adjust prototype.
7113 * gcse.c (gcse_main): Update call to dump_bb_data.
7114 * rtl.h (free_bb_memory): Declare.
7115 * toplev.c (rest_of_compilation): Call free_bb_memory.
7117 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7118 (update_eliminable_offsets): Don't compute it.
7119 (set_initial_elim_offsets): Don't initialize it.
7120 Break out some code into set_initial_label_offsets so the rest of
7121 this function can be called from reload_as_needed.
7122 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7123 ELIMINABLE_REGS isn't.
7124 (set_initial_label_offsets): New function, broken out of
7125 set_initial_elim_offsets.
7126 (set_offsets_for_label): New function, broken out of set_label_offsets
7127 and reload_as_needed.
7128 (reload): Call the two new functions.
7129 (reload_as_needed): Call set_initial_elim_offsets instead of
7130 duplicating the code. Likewise for set_offsets_for_label.
7132 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7133 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7134 any hard reg, reg_reloaded_dead contains valid data.
7136 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7138 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7139 "stdcall" and "cdecl" attributes.
7141 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7143 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7144 handle deleted no-op moves of hard registers.
7145 * haifa-sched.c (update_flow_info): Likewise.
7147 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7149 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7150 of the sequences to reload the HILO register which do not actually
7153 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7155 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7157 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7159 * except.c (emit_eh_context): Make the EH context register stay alive
7160 at -O0 so stupid.c doesn't get confused.
7162 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7164 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7166 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7167 Jeffrey A Law (law@cygnus.com)
7169 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7170 (zero_extendsidi2): Use # in output template and handle completely by
7172 (zero_extend splitters): New define_splits.
7173 (ashiftrt_32): New pattern.
7175 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7177 * tree.c (append_random_chars): New fn.
7178 (get_file_function_name_long): Use it.
7180 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7182 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7183 (LIBCPP_OBJS): New. Add cppulp.o.
7184 (cppmain, fix-header): Depend on and use libcpp.a.
7185 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7186 of the individual object files.
7187 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7190 * cccp.c (user_label_prefix): New.
7191 (main): Set it off -f*leading-underscore.
7192 (special_symbol): Use it.
7193 * cpplib.c (special_symbol): Likewise.
7194 (cpp_handle_option): Handle -f*leading-underscore.
7195 * cppulp.c: New file.
7197 * output.h (user_label_prefix): Declare it.
7198 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7199 * toplev.c (f_options, main): Handle -f*leading-underscore.
7201 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7202 referencing USER_LABEL_PREFIX directly.
7203 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7204 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7205 * final.c (asm_fprintf): Use user_label_prefix instead.
7206 * arm/thumb.c (thumb_print_operand): Likewise.
7208 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7209 cpp wherever appropriate.
7211 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7213 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7214 specific compiler switches.
7216 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7218 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7221 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7223 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7224 structure which has exactly the members provided by EXTRA_SPECS.
7225 Xmalloc() the real `extra_specs', and initialize it from this
7226 intermediate structure.
7228 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7230 * mips.h (EXTRA_SPECS): Likewise.
7232 * sparc.h (EXTRA_SPECS): Likewise.
7234 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7236 * function.c (purge_addressof_1): Instead of aborting when a
7237 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7238 work just put the ADDRESSOF on stack. Otherwise remember all such
7239 successfull replacements, so that exactly the same replacements
7240 can be made on the REG_NOTEs. Remove the special case for CALL
7242 (purge_addressof_replacements): New variable.
7243 (purge_addressof): Clear it at end.
7245 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7247 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7248 (lang_init): Call check_newline always.
7249 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7250 cpp_start_read, set yy_cur and yy_lim to read from
7251 parse_in.token_buffer, so that we'll see the first #line
7253 * cpplib.c (cpp_start_read): finclude the main input file
7254 before processing -include/-imacros. Process -imacros and
7255 -include separately, and handle -include by stacking a
7256 buffer for the file in question as if it'd been #included.
7257 * toplev.c (documented_lang_options) Recognize -H when
7260 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7262 * cpplib.c: Merge do_once into do_pragma. Break file handling
7263 code out of do_include.
7264 Move append_include_chain, deps_output,
7265 file_cleanup, redundant_include_p, import_hash,
7266 lookup_import, add_import, read_filename_string, read_name_map,
7267 open_include_file, finclude, safe_read to cppfiles.c.
7268 Move prototypes for deps_output, append_include_chain,
7269 finclude to cpplib.h. Move definition of struct
7270 file_name_list there also.
7272 * cppfiles.c: New file. Contains all the above functions
7273 broken out of cpplib.c; also hack_vms_include_specification
7274 from cccp.c and find_include_file, a new function broken out of
7277 * Makefile.in (cppmain): Depend on cppfiles.o.
7278 (fix-header): Likewise.
7279 (cppfiles.o): New target.
7280 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7281 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7283 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7285 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7286 if pending_types is non-zero.
7287 (dwarfout_finish): Verify pending_types is zero before finishing.
7289 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7291 * expr.c (convert_move): Use shifts to perform the move if a
7292 suitable extend pattern cannot be found. Code written by
7293 Richard Henderson <rth@cygnus.com>.
7295 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7297 * regclass.c (renumber, regno_allocated): New static variables, moved
7298 out of allocate_reg_info.
7299 (allocate_reg_info): Move these two variables outside the function.
7300 Move code to free memory into new function free_reg_info.
7301 (free_reg_info): New function, broken out of allocate_reg_info.
7302 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7303 * rtl.h (allocate_reg_info): Don't declare.
7304 (free_reg_info): Declare.
7306 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7308 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7310 * toplev.c (compile_file): Temporarily revert last change.
7312 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7314 * c-typeck.c (convert_for_assignment): Parenthesize.
7316 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7318 * reload1.c (delete_output_reload): Avoid ambigous else.
7320 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7322 * toplev.c (compile_file): Call allocate_reg_info to free register
7324 * rtl.h (allocate_reg_info): Declare.
7326 * PROJECTS: Remove entry for local spilling.
7328 * final.c (cleanup_subreg_operands): New function.
7329 (final_scan_insn): Use it.
7330 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7332 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7333 operands when reload has finished.
7334 * reload.h (cleanup_subreg_operands): Declare..
7335 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7336 reload. Handled in reload itself.
7338 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7340 * reload1.c (verify_initial_offsets): New function.
7341 (reload): Call it after reload_as_needed. Also verify that the frame
7342 size stays constant during reload_as_needed.
7343 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7345 * reload.h (struct insn_chain): Add need_operand_change element.
7346 * reload1.c (new_insn_chain): Clear it.
7347 (calculate_needs_all_insns): Set it; don't overload need_reload.
7348 (reload_as_needed): Use it.
7350 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7351 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7352 and reload_address_index_reg_class.
7353 (find_reloads_address_1): Likewise.
7354 * reload.h (reload_address_base_reg_class,
7355 reload_address_index_reg_class): Don't declare.
7356 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7357 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7358 (used_spill_regs): Now static.
7359 (reload_address_base_reg_class, reload_address_index_reg_class,
7360 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7361 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7362 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7365 (init_reload): Delete code to compute base/index reg classes.
7366 (reload): Delete variable J.
7367 Delete code to manage basic_block_needs.
7368 Don't compute regs_explicitly_used.
7369 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7370 pseudo_previous_regs.
7371 Initialize bad_spill_regs_global.
7372 Don't call order_regs_for_reload here.
7373 Don't initialize spill_reg_order and n_spills.
7374 Don't forbid explicitly used regs to be used for spill regs.
7375 Change main loop to infinite loop, with explicit break statements.
7376 Make SOMETHING_CHANGED variable local to that loop.
7377 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7378 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7379 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7381 Don't call dump_needs.
7382 Delete code to reset potential_reload_regs.
7383 Delete code to terminate loop conditional on the global needs variables
7384 showing no further needs.
7385 (calculate_needs_all_insns): Return void. All callers changed.
7386 Initialize somehing_needs_elimination here, not in reload.
7387 Delete avoid_return_reg kludge.
7388 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7389 All callers changed.
7390 Initialize the group_mode and group_size elements of the arg CHAIN.
7391 Delete code to manage basic_block_needs.
7392 Operate on elements of CHAIN instead of global variables.
7393 Delete avoid_return_reg kludge.
7394 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7395 All callers changed.
7396 Operate on elements of CHAIN instead of global variables.
7397 Delete special SMALL_REGISTER_CLASSES code.
7398 Delete spill_failure code; now in new_spill_reg.
7399 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7400 All callers changed.
7401 Operate on elements of CHAIN instead of global variables.
7402 (maybe_mark_pseudo_spilled): New static function.
7403 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7404 All callers changed.
7405 Operate on elements of CHAIN instead of global variables.
7406 Call order_regs_for_reload here, not in reload.
7407 Initialize spill_reg_order and n_spills.
7408 Simplify test whether an asm insn is involved.
7409 Delete spill_failure code; now in new_spill_reg.
7410 Call maybe_mark_pseudo_spilled for everything marked as live in
7411 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7413 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7414 compiler from optimizing this function (now unused) away.
7415 Operate on elements of CHAIN instead of global variables.
7416 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7418 Operate on elements of CHAIN instead of global variables.
7419 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7420 take CHAIN arg. All callers changed.
7421 Operate on elements of CHAIN instead of global variables.
7422 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7423 CHAIN, NONGROUP args. Return void. All callers changed.
7424 Verify caller isn't trying to spill a pseudo.
7425 Simplify test for illegal reg, just use bad_spill_regs.
7426 Generate better error messages.
7427 Operate on elements of CHAIN instead of global variables.
7428 Mark spilled register in CHAIN's used_spill_regs element.
7429 Don't call spill_hard_reg.
7430 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7431 Mark spilled hard regs in bad_spill_regs_global.
7432 Mark affected pseudos in spilled_pseudos, but don't spill them.
7433 (ior_hard_reg_set): New static function.
7434 (finish_spills): Return int. All callers changed.
7435 Compute spill_reg_order, n_spills and spill_regs here. Also update
7436 regs_ever_live for regs used as spills.
7437 For every pseudo in spilled_pseudos, spill it and mark the previous
7438 hard reg it had in pseudo_previous_regs. Compute which hard regs
7439 arseudo): New static function.
7440 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7441 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7442 hard registers explicitly used across the current insn into the set.
7443 Compute hard_reg_n_uses taking only pseudos live across this insn
7445 Tweak sorting of potential_reload_regs.
7446 (compare_spill_regs): Delete function.
7447 (reload_as_needed): Don't sort the spill_regs array, it's computed
7448 in proper order in finish_spills.
7449 Delete avoid_return_reg kludge.
7450 Delete code to manage basic_block_needs.
7451 (allocate_reload_reg): Minor speed/readability tweaks.
7452 Operate on elements of CHAIN instead of global variables.
7453 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7454 Delete avoid_return_reg kludge.
7455 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7456 Delete unused label FAIL.
7457 (reload_combine): Replce reload_address_index_reg_class with
7459 Don't use used_spill_regs to determine information about lifetime of
7462 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7464 * toplev.c (display_help): Ignore empty target specific
7465 options, and if -W is also specified on the command line then
7466 display undocumented options.
7468 * config/arm/arm.c: Updated with changes in devo sources.
7469 * config/arm/arm.h: Updated with changes in devo sources.
7470 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7471 * config/arm/lib1thumb.asm: Add ELF support.
7473 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7475 * collect2.c (aix64_flag): New variable.
7476 (main, case 'b'): Parse it.
7477 (GCC_CHECK_HDR): object magic number must match mode.
7478 (scan_prog_file): Only check for shared object if valid header.
7479 Print debugging if header/mode mismatch.
7481 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7483 Added support for arm-elf-linux configuration, submitted by Philip
7484 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7485 code developed by Catherine Moore <clm@cygnus.com>. The following
7488 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7491 * configure: Regenerated.
7493 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7494 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7495 definitions conditional on their not having been already defined.
7497 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7498 and .type directives, and add "(PLT)" qualification to function
7501 * config/arm/linux.h: Deleted. This file is now superceeded by
7502 either linux-elf.h or linux-aout.h.
7504 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7505 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7507 Move definitions from old linux.h file here.
7509 * config/arm/elf.h: New file. Generic ARM/ELF support.
7511 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7513 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7515 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7516 using the 26bit APCS.
7518 * config/arm/unknown-elf.h: New file. Support for OS'es other
7519 than Linux with ELF.
7521 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7524 * config/arm/coff.h: Include aout.h for basic assembler macros.
7525 Add support for -mstructure_size_boundary=<n> command line option.
7527 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7528 command line option. Make macro definitions conditional on their
7529 not having been already defined.
7531 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7532 command line option.
7535 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7537 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7538 has been changed to not include a newline. Use this macro instead.
7539 (output_enumeral_list, const_value_attribute, name_attribute,
7540 comp_dir_attribute, prototyped_attribute, producer_attribute,
7541 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7542 dwarfout_file_scope_decl, generate_new_sfname_entry,
7543 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7544 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7546 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7548 * combine.c (subst): Process the inputs to a parallel asm_operands
7551 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7553 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7555 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7557 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7559 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7561 * version.c: Bump for snapshot.
7563 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7565 * stmt.c (expand_fixup): Set fixup->before_jump to a
7566 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7568 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7570 * Makefile.in (recog.o): Depend on toplev.h.
7571 (insn-emit.o): Depend on recog.h.
7572 (insn-peep.o): Depend on recog.h and insn-config.h.
7574 * combine.c (simplify_set): Remove unused variable `scratches'.
7576 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7577 and `idx' in macro conditional controlling their use.
7579 * genemit.c (main): Make the generated output file include
7580 recog.h. Don't have it declare `insn_operand_constraint', since
7581 we get it from recog.h.
7583 * genpeep.c (main): Make the generated output file include
7584 insn-config.h and recog.h.
7586 * recog.c: Include toplev.h.
7587 (extract_insn): Remove unused variable `p'.
7589 * regclass.c (fix_register): Add missing braces around initializer
7591 (allocate_reg_info): Move variable `i' into the scope where it is
7592 used. Change its type to `size_t'.
7594 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7596 * reload.c (push_reload): When merging reloads, make sure
7597 that reload_in_reg and reload_in are from the same reload in
7600 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7602 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7603 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7605 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
7607 * loop.c (loop_has_tablejump): New variable.
7608 (prescan_loop): Scan for it.
7609 (insert_bct): Replace explicit scan with use of it.
7610 * regclass.c (regclass): Restore loop variable j.
7611 (record_reg_classes): Deterine op_types modifiers and initialize
7612 classes[i] before matching constraints. Handle matching
7615 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7617 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7620 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7622 * mips.h (EXTRA_SPECS): Add missing initializers.
7624 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7626 * sparc.h (EXTRA_SPECS): Add missing initializers.
7627 (sparc_defer_case_vector): Provide a prototype.
7629 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7630 comparing it to the result of a pointer subtraction.
7632 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7634 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7635 the argument to (unsigned char).
7637 * alpha.h (EXTRA_SPECS): Add missing initializers.
7638 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7641 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7643 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7644 (propagate_block): Delete dead code after reload.
7646 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7647 back Oct 15, 1998 change.
7648 * haifa-sched.c (update_flow_info): Likewise.
7649 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7651 * mn10200.md (truncated shift): Accept constant inputs too.
7653 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7655 * machmode.h (mode_mask_array): No longer const.
7656 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7658 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7660 * frame.c: Somewhat explain `FDE'.
7661 Suggested by Brendan Kehoe
7663 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7665 * expr.c (pending_chain): Move up.
7666 (save_expr_status): Do save pending_chain.
7667 (restore_expr_status): And restore it.
7668 * function.h (struct function): Add pending_chain.
7670 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7672 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7673 did not match the code.
7675 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7677 * regclass.c (regclass): Break out some code into new function
7678 scan_one_insn, and into regclass_init.
7679 (init_cost): New static variable, moved out of regclass.
7680 (regclass_init): Initialize it here, not in .
7681 (scan_one_insn): New static function, broken out of regclass.
7682 * recog.c (apply_change_group): Break out some code into new
7683 function insn_invalid_p.
7684 (insn_invalid_p): New static fn, broken out of apply_change_group.
7686 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7688 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7689 reg_reloaded_contents matches incremented pseudo.
7691 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7693 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7695 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7696 addressing modes with side effects. These are currently
7697 placeholders for the C4x target.
7699 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7701 * loop.c (express_from): Make sure that when generating a PLUS of
7702 a PLUS, any constant expression appears on the outermost PLUS.
7704 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7706 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7707 works if "$(srcdir)" != ".".
7709 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7711 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7712 existing SUBREG if we can, otherwise abort.
7714 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7716 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7717 `restrict' is applied to a non-pointer variable.
7719 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7721 * invoke.texi: Document -flang-isoc9x.
7723 * Makefile.in (OBJS): Add splay-tree.o.
7724 (c-common.o): Depend on rtl.h.
7725 (splay-tree.o): List dependencies and provide build rule.
7727 * rtl.h (record_alias_subset): New function.
7728 * alias.c: Include splay-tree.h.
7729 (alias_set_entry): New type.
7730 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7731 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7732 (mems_in_disjoin_alias_sets_p): New function.
7733 (alias_set_compare): Likewise.
7734 (insert_subset_children): Likewise.
7735 (get_alias_set_entry): Likewise.
7737 * tree.h (TYPE_RESTRICT): New macro.
7738 (TYPE_UNQUALIFIED): New manifest constant.
7739 (TYPE_QUAL_CONST): Likewise
7740 (TYPE_QUAL_VOLATILE): Likewise.
7741 (TYPE_QUAL_RESTRICT): Likewise.
7742 (tree_type): Add restrict_flag. Reduce count of free bits.
7743 (DECL_POINTER_ALIAS_SET): New macro.
7744 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7745 (tree_decl): Add pointer_alias_set.
7746 (build_qualified_type): New function.
7747 (build_type_variant): Define in terms of build_qualified_type.
7748 * tree.c (set_type_quals): New function.
7749 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7750 (build_type_attribute_variant): Use build_qualified_type and
7752 (build_type_variant): Rename, and modify, to become...
7753 (build_qualified_type): New function.
7754 (build_complex_type): Use set_type_quals.
7756 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7757 (C_TYPE_FUNCTION_P): Likewise.
7758 (C_TYPE_INCOMPLETE_P): Likewise.
7759 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7760 (c_apply_type_quals_to_decl): New function.
7761 (c_build_qualified_type): New function.
7762 (c_build_type_variant): Define in terms of c_build_qualified_type.
7763 (flag_isoc9x): Declare.
7764 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7765 (common_type): Change to use TYPE_QUALS.
7766 (comptypes): Likewise.
7767 (convert_for_assignment): Likewise.
7768 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7769 * c-decl.c (flag_isoc9x): Define.
7770 (c_decode_option): Handle -flang-isoc9x.
7771 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7772 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7773 * c-lex.c (init_lex): Deal with restrict.
7774 (init_lex): Don't treat restrict as a reserved word in
7775 -traditional mode, or without -flang-isoc9x.
7776 * c-lex.h (rid): Add RID_RESTRICT.
7777 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7778 equivalent to RID_RESTRICT.
7779 * c-parse.in (TYPE_QUAL): Update comment.
7780 * c-common.c: Include rtl.h.
7781 (c_find_base_decl): New function.
7782 (c_build_type_variant): Rename, and modify, to become ...
7783 (c_build_qualified_type): New function.
7784 (c_apply_type_quals_to_decl): Likewise.
7785 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7786 a particular alias set for the reference.
7787 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7789 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7791 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7792 command line switches.
7794 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7796 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7799 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7801 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7803 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7805 * regclass.c (fix_register): Add error message.
7806 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7809 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7811 * c-decl.c (warn_missing_noreturn): New global variable.
7812 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7813 (finish_function): Implement missing noreturn warning.
7815 * c-tree.h (warn_missing_noreturn): Declare extern.
7817 * invoke.texi: Document new flags.
7819 * toplev.c (documented_lang_options): Add description.
7821 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7823 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7824 loop optimization stable for the C4x.
7825 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7826 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7827 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7829 (c4x_address_conflict): Be more paranoid when packing a volatile
7830 memref in a parallel load/store.
7832 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7834 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7835 repeat_block_filler): Deleted.
7836 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7837 Condition code not set if destination register from 'c' class.
7838 (*subbqi3_carry_clobber): Fix typo.
7840 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7842 * reorg.c (steal_delay_list_from_target) Check for insns that
7843 modify the condition codes and effect the direction of the jump
7846 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7848 * function.c (purge_addressof_1): Replace call to
7849 emit_insns_before() with emit_insn_before().
7851 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7853 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7855 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7857 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7859 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7861 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7862 clobbered across calls.
7864 * loop.c (scan_loop): Be more selective about what invariants are
7865 moved out of a loop.
7867 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7869 * version.c: Bump for snapshot.
7871 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7873 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7874 static eh_context structure.
7876 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7878 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7880 (try_combine): Don't update max_scratch.
7881 * flow.c (max_scratch, num_scratch): Delete variables.
7882 (life_analysis_1): Don't initialize max_scratch.
7883 (propagate_block): Don't update max_scratch.
7884 (mark_set_1): Don't increment num_scratch.
7885 * regs.h (max_scratch): Delete declaration.
7887 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
7889 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
7890 is nonzero. This is temporary!
7892 * sched.c (update_flow_info): Handle death notes made invalid by
7893 instruction splitting. Partially reverts Oct 15, 1998 patch.
7894 * haifa-sched.c (update_flow_info): Likewise.
7896 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
7898 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
7899 if it has a nonzero DECL_INITIAL.
7901 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7903 * Makefile.in (flow.o): Depend on recog.h.
7905 * cpplib.h (directive_table): Add missing initializiers.
7906 (finclude): Change type of variable `bsize' to size_t.
7908 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
7910 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
7912 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
7913 `int' when comparing against one.
7914 (cpp_file_line_for_message): Mark parameter `pfile' with
7916 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
7918 * flow.c: Include recog.h.
7919 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
7921 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
7922 `f' with ATTRIBUTE_UNUSED.
7923 (reposition_prologue_and_epilogue_notes): Likewise.
7925 * genopinit.c (gen_insn): Cast argument of ctype functions to
7928 * haifa-sched.c: Include recog.h.
7929 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
7930 comparing against one.
7932 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
7934 * mips-tfile.c (parse_end): Cast the argument of ctype function to
7936 (parse_ent): Likewise.
7937 (parse_input): Likewise.
7939 * optabs.c (init_libfuncs): Likewise.
7941 * protoize.c (find_rightmost_formals_list): Likewise.
7943 * recog.h (const_double_operand): Fix typo in prototype.
7945 * tlink.c (scan_linker_output): Cast the argument of ctype
7946 function to `unsigned char'.
7948 * toplev.c (check_lang_option): Cast the result of `strlen' to
7949 `int' when comparing against one.
7951 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7953 * gcse.c (dump_cuid_table): Correct typo.
7955 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7957 * toplev.c (display_help): Prepend '-m' to target specific
7959 (check_lang_option): Ignore text after end of first word of a
7960 language specific option.
7962 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7964 * reload1.c (reg_used_by_pseudo): New static variable.
7965 (choose_reload_regs): Initialize it.
7966 Use it instead of testing spill_reg_order to determine whether a
7967 pseudo is live in a hard register across the current insn.
7968 Fix a typo in a reference to reload_reg_rtx.
7970 * flow.c (propagate_block): Replace code that computes and uses
7971 regs_sometimes_live with simpler code that just walks the set of
7972 currently live registers.
7974 * Makefile.in (insn-extract.o): Fix dependencies.
7975 * genextract.c (main): Generate includes for insn-config.h and
7977 Delete generation of declarations which are now in recog.h.
7978 * genrecog.c (main): Delete generation of definitions which are
7980 * local-alloc.c (block_alloc): Use extract_insn and the variables
7981 it sets up instead of looking up values by insn_code.
7982 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7983 recog_dup_num): Define here instead of generating the definition in
7985 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7986 recog_operand_mode, recog_constraints, recog_operand_address_p):
7988 (extract_insn): New function.
7989 * recog.h (extract_insn): Declare function.
7990 (which_alternative, recog_n_operands, recog_n_dups,
7991 recog_n_alternatives, recog_operand_mode, recog_constraints,
7992 recog_operand_address_p): Declare variables.
7993 * regclass.c (n_occurrences): New static function.
7994 * reload.c (n_occurrences): Delete function.
7995 (find_reloads): Use extract_insn.
7996 * reload.h (n_occurrences): Delete declaration.
7998 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
8000 * reload1.c (reload_as_needed): Fix test for when to call
8001 update_eliminable_offsets.
8003 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8005 Fix consistency problems with reg_equiv_{mem,address};
8006 Improve reload inheritance;
8008 * reload.c (reload_out_reg): New variable.
8009 (loc_mentioned_in_p, remove_address_replacements): New functions.
8010 (remove_replacements): Deleted.
8011 (push_reload): Set reload_out_reg[i].
8012 When merging, also set reload_{in,out}_reg[i], and remove
8013 duplicate address reloads.
8014 (combine_reloads): Copy reload_out_reg[i].
8015 (find_reloads): Do make_memloc substitution also when
8016 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8018 Include *recog_operand_loc in commutativity operand changes.
8019 Generate optional output reloads.
8020 Delete reference to n_memlocs. Don't set *recog_operand_loc before
8021 processing operands. Call make_memloc in reg_equiv_address code.
8022 Set *recog_operand_loc only after processing operands, and only
8023 if replace is true. Return a value.
8024 When changing address reload types for operands that didn't get
8025 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
8026 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
8027 Don't emit USEs for pseudo SUBREGs when not replacing.
8028 (find_reloads_address): Do make_memloc substitution also when
8029 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
8031 (find_reloads_toplev): Likewise.
8032 Call make_memloc in reg_equiv_address code.
8033 (debug_reload_to_stream): Add code to output reload_out_reg.
8034 (make_memloc): Delete local variable i, ifdefed out code, and
8035 references to memlocs and n_memlocs.
8036 (memlocs, n_memlocs): Delete.
8037 (push_secondary_reload): Clear reload_out_reg.
8038 (find_reloads_address_1): Provide memrefloc argument to all calls
8039 to find_reloads_address.
8040 In AUTO_INC code, handle non-directly addressable equivalences properly.
8041 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
8042 (find_reloads): Add return type.
8043 (remove_address_replacements, deallocate_reload_reg): Declare.
8044 * reload1.c (num_not_at_initial_offset): No longer static.
8045 (delete_address_reloads, delete_address_reloads_1): Likewise.
8046 (deallocate_reload_reg): New function.
8047 (spill_reg_stored_to): New array.
8048 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8049 (eliminate_regs_in_insn): Move assignments of previous_offset and
8050 max_offset fields, and recalculation of num_not_at_initial_offset
8051 into new static function:
8052 (update_eliminable_offsets) .
8053 (reload_as_needed): Call update_eliminable_offsetss after calling
8055 Call forget_old_reloads_1 with contents of reloaded auto_inc
8056 expressions if the actual addressing can't be changed to match the
8058 (choose_reload_regs): For inheritance, replace
8059 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8060 remove stand-alone reload_reg_used_at_all test.
8061 Use reload_out_reg to determine which reload regs have output reloads.
8062 Treat reload_override_in more similar to inherited reloads.
8063 Handle (subreg (reg... for inheritance.
8064 For flag_expensive_optimizations, add an extra pass to remove
8065 unnecessary reloads from known working inheritance.
8066 Delete obsolete code for pseudos replaced with MEMs.
8067 Handle inheritance from auto_inc expressions.
8068 (emit_reload_insns): If reload_in is a MEM, set OLD to
8070 Don't reload directly from oldequiv; if it's a pseudo with a
8071 stack slot, use reload_in[j].
8072 Check that reload_in_reg[j] is a MEM before replacing reload_in
8073 from reg_reloaded_contents.
8074 Include non-spill registers in reload inheritance processing.
8075 Also try to use reload_out_reg to set spill_reg_store /
8076 reg_last_reload_reg.
8077 In code to set new_spill_reg_store, use single_set to find out if
8078 there is a single set.
8079 Add code that allows to delete optional output reloads.
8080 Add code to allow deletion of output reloads that use no spill reg.
8081 At the end, set reload_override_in to oldequiv.
8082 Also call delete_output_reload if reload_out_reg is equal to old
8084 Add code to call delete_output_reload for stores with no matching load.
8085 Set / use spill_reg_stored_to.
8086 Handle case where secondary output reload uses a temporary, but
8087 actual store isn't found.
8088 When looking for a store of a value not loaded in order to call
8089 delete_output_reload, count_occurences should return 0 for no
8090 loads; but discount inherited input reloadill_reg_stored_to.
8091 Do checks for extra uses of REG. Changed all
8093 Use delete_address_reloads.
8094 (reload): Take return value of find_reloads into account.
8095 If a no-op set needs more than one reload, delete it.
8096 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8097 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8098 for the same operand.
8099 (clear_reload_reg_in_use): Check for other reloads that keep a
8101 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8102 RELOAD_FOR_OPADDR_ADDR.
8103 Take into account when an address address reload is only needed
8104 for the address reload we are considering.
8105 (count_occurrences): Use rtx_equal_p for MEMs.
8106 (inc_for_reload): Return instruction that stores into RELOADREG.
8107 New argument two, IN, and rtx. Changed all callers.
8108 (calculate_needs_all_insns, reload_as_needed):
8109 Don't clear after_call for a CLOBBER.
8110 Keep track of how many hard registers need to be copied from
8111 after_call, and don't clear after_call before we have seen
8112 that much copies, or we see a different instruction.
8114 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8116 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8117 after reload has completed.
8119 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8121 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8122 a macro name and the next token with a single blank if that whitespace
8123 is in a macro buffer and the next token is not '('.
8125 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8127 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8129 (skip_if_group): Ditto.
8130 (skip_to_end_of_comment): Ditto.
8132 (discard_comments): Ditto.
8133 (change_newlines): Ditto.
8135 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8137 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8139 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8141 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8142 (TARGET_OPTIONS): Add --help documentation.
8144 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8146 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8148 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8150 * fixinc/* Moved in from ../contrib directory in preparation
8151 for integrating it into the normal build process. In particular,
8152 fixinc/Makefile.in must be config-ed into the build directory
8153 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8154 ./configure.in will be "in the mail" momentarily.
8156 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8158 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8159 accidently walk into the free list. Comment how that can happen.
8160 (invalidate): Fix indentation.
8162 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8163 Jeffrey A Law (law@cygnus.com)
8165 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8166 reload. Never perform rescans of the insn chain after reload.
8167 (propagate_block): Do not delete insn or create new autoinc addressing
8170 * jump.c (jump_optimize): Unconditionally use the code that was
8171 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8172 * reload1.c (reload): When reloading is finished, delete all
8173 REG_DEAD and REG_UNUSED notes.
8174 (emit_reload_insns): Delete all code that was conditional on
8175 PRESERVE_DEATH_INFO_REGNO_P.
8176 (no_longer_dead_regs): Delete variable.
8177 (reload_cse_delete_death_notes): Delete function.
8178 (reload_cse_no_longer_dead): Delete function.
8179 (reload_cse_regs_1): Delete all code to handle deletion of death
8181 (reload_cse_noop_set_p): Likewise.
8182 (reload_cse_simplify_set): Likewise.
8183 (reload_cse_simplify_operands): Likewise.
8184 (reload_cse_move2add): Likewise.
8185 * reorg.c (used_spill_regs): Delete declaration.
8186 (max_label_num_after_reload): Delete declaration.
8187 (find_dead_or_set_registers): Don't assume that spill regs are
8188 dead at a CODE_LABEL.
8189 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8191 * sched.c (sched_analyze_insn): Likewise.
8192 (update_flow_info): Likewise.
8193 * haifa-sched.c (sched_analyze_insn): Likewise.
8194 (update_flow_info): Likewise.
8195 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8196 * toplev.c (max_label_num_after_reload): Delete variable.
8197 (rest_of_compilation): Don't set max_label_num_after_reload.
8198 Call life_analysis after reload_cse_regs if optimizing.
8199 * config/gmicro/gmicro.h: Delete comment referring to
8200 PRESERVE_DEATH_INFO_REGNO_P.
8201 * config/i386/i386.h: Likewise.
8202 * config/m88k/m88k.h: Likewise.
8203 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8204 * config/sh/sh.h: Likewise.
8206 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8208 * loop.c (strength_reduce): Restore marking bct_p as
8210 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8211 HAVE_decrement_and_branch_on_count.
8212 (small_data_operand): Remove TARGET_ELF condition for marking
8213 parameters ATTRIBUTE_UNUSED.
8215 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8217 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8218 (SELECT_SECTION): Resync with svr4.h.
8220 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8222 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8225 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8227 * c-pragma.c (handle_pragma_token): Test for null tree before
8228 dereferencing TREE_CODE.
8230 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8232 * config/c4x/c4x.c: Convert to use GEN_INT.
8233 (c4x_parallel_process): Rework to handle new repeat loop structure.
8235 * config/c4x/c4x.md: Convert to use GEN_INT.
8236 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8237 (decrement_and_branch_on_count): Likewise.
8239 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8240 loop.c has the desired functionality.
8241 (rc_reg_operand): New prototype.
8243 * config/c4x/t-c4x: Can now build all front ends.
8245 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8247 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8249 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8251 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8252 * config/t-rtems: Do not install assert.h -- use newlib's.
8254 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8256 * combine.c (combine_instructions): When finished, call init_recog.
8257 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8259 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8261 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8263 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8265 * cppalloc.c (memory_full): Mark function prototype with
8268 * demangle.h (collect_exit): Likewise.
8270 * fix-header.c (v_fatal, fatal): Likewise.
8272 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8275 * gcov.c (print_usage): Likewise.
8277 * genattr.c (fatal, fancy_abort): Likewise.
8279 * genattrtab.c (fatal, fancy_abort): Likewise.
8281 * gencodes.c (fatal, fancy_abort): Likewise.
8283 * genconfig.c (fatal, fancy_abort): Likewise.
8285 * genemit.c (fatal, fancy_abort): Likewise.
8287 * genextract.c (fatal, fancy_abort): Likewise.
8289 * genflags.c (fatal, fancy_abort): Likewise.
8291 * genopinit.c (fatal, fancy_abort): Likewise.
8293 * genoutput.c (fatal, fancy_abort): Likewise.
8295 * genpeep.c (fatal, fancy_abort): Likewise.
8297 * genrecog.c (fatal, fancy_abort): Likewise.
8299 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8300 __sjpopnthrow, __throw): Likewise.
8302 * objc/objc-act.c (objc_fatal): Likewise.
8304 * protoize.c (usage, aux_info_corrupted,
8305 declare_source_confusing): Likewise.
8307 * rtl.c (dump_and_abort): Likewise.
8309 * rtl.h (sets_cc0_p): Likewise.
8311 * toplev.c (float_signal, pipe_closed): Likewise.
8313 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8315 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8316 when generating the decision tree for the general case.
8318 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8319 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8321 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8323 * Makefile.in (sched.o): Depend on recog.h.
8325 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8326 (unsigned) when comparing against one.
8327 (find_base_value): Likewise.
8328 (record_base_value): Cast variable `regno' to (unsigned) when
8329 comparing against one. Cast the result of REGNO() macro to
8330 (unsigned) when comparing against one.
8331 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8333 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8334 variable where an unsigned index is needed.
8336 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8337 before comparing against one.
8339 * collect2.c: Add prototypes for functions `error', `fatal' and
8340 `fatal_perror'. Make these functions take variable arguments
8341 instead of faking it with a fixed number of args.
8342 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8345 * combine.c (can_combine_p): Mark parameter `pred' with
8347 (find_split_point): Cast variable `src' to (unsigned
8348 HOST_WIDE_INT) when comparing against one.
8349 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8350 (simplify_logical): Likewise.
8351 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8352 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8353 HOST_WIDE_INT) in shift.
8354 (simplify_and_const_int): Cast result of INTVAL() macro to
8355 `unsigned HOST_WIDE_INT' when comparing against one.
8356 (merge_outer_ops): Cast variable const0 to `unsigned
8357 HOST_WIDE_INT' when comparing against the result of
8358 GET_MODE_MASK() macro.
8359 (simplify_comparison): Likewise for variable `c0'. Cast variable
8360 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8361 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8362 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8363 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8364 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8365 comparing against one.
8366 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8368 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8369 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8370 (output_block_move): Cast `sizeof' expression to (int) when
8371 comparing against one.
8372 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8374 (save_restore_insns): Cast `base_offset' to `long' to match format
8375 specifier in fprintf.
8377 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8378 to `enum machine_mode'.
8380 * flow.c (life_analysis_1): Remove unused variable `insn'.
8382 * gcc.c (translate_options): Move variables `j' and `k' into the
8383 scope in which they are used. Change their types to `size_t'.
8384 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8385 (read_specs): Likewise.
8386 (process_command): Cast `sizeof' to (int) when comparing against one.
8387 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8388 (handle_braces): Cast both sides of `==' expression to `long' to
8389 ensure sign matching.
8390 (main): Cast variable `i' to `int' when comparing against one.
8392 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8393 int to size_t. Cast variable `i' to size_t when comparing against
8396 * genattrtab.c (convert_set_attr_alternative): Remove unused
8397 parameter `insn_code'. All callers changed.
8398 (convert_set_attr): Likewise.
8400 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8401 size_t when comparing against one. Likewise for variable `len'.
8403 * global.c (global_alloc): Cast variable `max_regno' to size_t
8404 when comparing against one. Likewise for variable `max_allocno'.
8406 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8408 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8409 `set' with ATTRIBUTE_UNUSED.
8410 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8413 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8414 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8415 (get_condition): Cast variable `const_val' to `unsigned
8416 HOST_WIDE_INT' when comparing against one. Cast unsigned
8417 expression to HOST_WIDE_INT when comparing against one.
8418 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8419 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8420 `unsigned' when comparing against one.
8422 * protoize.c (is_id_char): Change type of parameter `ch' to
8424 (munge_compile_params): Cast argument of ctype macro to (const
8426 (process_aux_info_file): Cast variable `aux_info_size' to int when
8427 comparing against one.
8428 (forward_to_next_token_char): Cast argument of ctype macro to
8429 `const unsigned char'.
8430 (edit_formals_lists): Likewise.
8431 (find_rightmost_formals_list): Likewise.
8432 (add_local_decl): Likewise.
8433 (add_global_decls): Likewise.
8434 (edit_fn_definition): Likewise.
8435 (do_cleaning): Likewise.
8436 (scan_for_missed_items): Likewise.
8437 (edit_file): Cast variable `orig_size' to (int) when comparing
8439 (main): Cast argument of ctype macro to `const unsigned char'.
8441 * recog.c (const_int_operand): Mark parameter `mode' with
8444 * regclass.c (record_reg_classes): Change type of variable `c' to
8445 `unsigned char'. Cast `char' array index to `unsigned char'.
8447 * reload.c (push_secondary_reload): Cast argument to
8448 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8450 * reload1.c (calculate_needs): Cast `char' array index to
8452 (set_label_offsets): Change type of variable `i' to unsigned int.
8453 Cast result of XVECLEN() macro to unsigned when comparing against
8455 (mark_not_eliminable): Change type of variable `i' to unsigned.
8456 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8457 when comparing against one.
8458 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8459 comparing against one.
8460 (choose_reload_regs): Hide unused label `fail'.
8461 (reload_cse_simplify_operands): Cast `char' array index to
8463 (reload_combine_note_store): Mark parameter `set' with
8464 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8466 (reload_cse_move2add): Remove unused variable `src2'.
8468 * sched.c: Include recog.h.
8469 (sched_note_set): Remove unused parameter `b'. All callers
8471 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8472 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8473 when comparing against one.
8475 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8476 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8477 comparing against one.
8479 * unroll.c (precondition_loop_p): Remove unused parameter
8480 `loop_end'. All callers changed.
8482 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8484 * reload1.c (maybe_fix_stack_asms): New static function.
8487 * reload.h (compute_use_by_pseudos): Declare.
8489 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8490 (something_needs_reloads): Delete variable.
8491 (finish_spills): New function.
8492 (compute_use_by_pseudos): New function.
8494 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8495 Use the reload_insn_chain instead of walking the rtl directly.
8497 (reload): Allocate and free spilled_pseudos.
8498 Ensure that all calls of spill_hard_reg are followed by a call to
8500 Use the insns_need_reload list instead of something_needs_reloads
8501 to find out if reload_as_needed must be called.
8502 Clear unused_insn_chains at the end.
8504 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8506 Delete code to keep track of current basic block.
8507 Walk reload_insn_chain instead of the rtl structure. Build the
8508 insns_need_reload chain.
8509 Remember which insns need reloading/elimination by setting the
8510 appropriate fields in struct insn_chain, not by putting modes on the
8513 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8514 arg INSN. All callers changed.
8515 Delete declaration of struct needs.
8516 Don't set something_needs_reloads.
8517 Record insn needs in the CHAIN argument.
8519 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8521 (reload_as_needed): Lose FIRST arg. All callers changed.
8522 Walk the reload_insn_chain instead of the rtx structure.
8523 Delete code to keep track of current basic block.
8524 Rename one of the NEXT variables to OLD_NEXT.
8526 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8528 (choose_reload_regs): Likewise.
8530 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8533 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8534 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8535 (hard_regs_live, hard_regs_need_restore): Delete variables.
8536 (n_regs_saved): Now static.
8537 (referenced_regs, this_insn_sets): New variables.
8539 (setup_save_areas): Restructure the code a bit.
8541 (restore_referenced_regs): Delete function.
8542 (mark_referenced_regs): New function, similar to the old
8543 restore_referenced_regs, but mark registers in referenced_regs.
8545 (clear_reg_live): Delete function.
8546 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8547 Only mark registers in this_insn_sets.
8549 (save_call_clobbered_regs): Rework this function to walk the
8550 reload_insn_chain instead of using the list of instructions directly.
8551 Delete code to keep track of register lives, compute live regs on the
8552 fly from information in the chain.
8553 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8554 then walk the set it computes and call insert_restore as appropriate.
8556 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8558 Restructure the code a bit. Test hard_regs_saved instead of
8559 hard_regs_need_restore.
8560 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8561 args. All callers changed.
8562 Restructure the code a bit. Use TO_SAVE to determine which regs to
8563 save instead of more complicated test.
8564 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8566 Create a new insn_chain structure for the new insn and place it
8569 * rtl.texi: Update documentation to reflect that reload no longer
8570 puts modes on the insns.
8572 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8574 * function.c (purge_addressof_1): Force the first argument of a
8575 CALL insn to memory.
8577 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8579 * rtl.h: Delete duplicate prototypes. Add some missing
8581 * rtlanal.c: (for_each_rtx): Formatting tweak.
8583 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8585 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8586 to be compatible with TI compiler.
8588 * Makefile.in (USER_H): Add va-c4x.h to definition.
8590 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8592 * function.c (purge_addressof_1): Fix typo in inequality: do
8593 bitfield optimization for equal mode sizes.
8594 * expmed.c (store_bit_field): Don't take subregs of subregs in
8595 the movstrict case. Tidy a potential problem in the multi-word case.
8596 (extract_bit_field): Likewise.
8598 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8600 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8602 Compute max_uid_for_flow by calling get_max_uid after the scan.
8603 (find_basic_blocks_1): Don't emit NOPs here.
8605 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8607 * alias.c (base_alias_check): Accept new args for the modes of the
8608 two references. Use them to determine if an AND can overlap. Update
8610 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8611 to determine if an AND can overlap.
8613 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8615 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8616 check. Add comment to document problems with TARGET_SUN_FPA version
8618 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8620 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8622 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8624 * c-common.c (print_char_table): Add missing initializers.
8625 (scan_char_table): Likewise.
8626 (time_char_table): Likewise.
8628 * c-decl.c (c_decode_option): Mark parameter `argc' with
8630 (declare_parm_level): Mark parameter `definition_flag' with
8633 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8634 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8637 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8639 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8641 (expand_call): Cast result of MIN() to (unsigned int) when
8642 comparing against an unsigned value.
8644 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8646 (make_definition): Remove unused parameter `op'. All callers
8648 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8649 comparing against the result of pointer arithmetic.
8651 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8652 when comparing against one.
8654 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8655 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8657 (output_die): Move variable `i' into the scope in which it is
8658 used. Change its type to `unsigned'.
8659 (output_die): Cast the result of `strlen' to (int) when passing it
8660 to ASM_OUTPUT_ASCII().
8661 (output_pubnames): Likewise.
8662 (output_line_info): Likewise.
8664 * emit-rtl.c (global_rtl): Add missing initializers.
8666 * explow.c (promote_mode): Mark parameter `for_call' with
8669 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8670 `unsigned HOST_WIDE_INT' when comparing against one.
8671 (synth_mult): Change type of variable `cost' to int.
8672 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8674 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8675 when comparing against one.
8676 (get_inner_reference): Change variable `alignment' to unsigned.
8677 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8678 int) when comparing against one.
8679 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8681 * fold-const.c (div_and_round_double): Cast BASE to
8682 (HOST_WIDE_INT) when comparing against one.
8684 * gencheck.c: Include gansidecl.h.
8685 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8687 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8688 `tcode' with ATTRIBUTE_UNUSED.
8690 * real.c (edivm): Cast constant value to (unsigned long) in
8691 expression compared against an unsigned value.
8693 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8694 comparing against one.
8695 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8696 when comparing against one.
8698 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8699 (unsigned int) when comparing against one. Likewise for
8701 (smallest_mode_for_size): Likewise.
8702 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8703 (restore_storage_status): Likewise.
8705 * toplev.c (debug_args): Add missing initializer.
8706 (f_options): Spelling correction. Add missing initializers.
8707 (documented_lang_options): Likewise.
8708 (debug_end_source_file): Mark parameter `lineno' with
8711 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8712 `decl' and `type' with ATTRIBUTE_UNUSED.
8714 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8715 when comparing against one.
8716 (assemble_variable): Mark parameter `top_level' with
8718 (assemble_external_libcall): Mark parameter `fun' with
8720 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8723 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8725 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8726 Replace use of r5 with use of r19.
8728 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8730 * config/v850/v850.c (compute_register_save_size): Allow for the
8731 fact that helper functions save all registers, not just those used
8734 Replace constant 31 with macro LINK_POINTER_REGNUM.
8736 * config/v850/v850.md: Use 'indirect_operand' rather than
8737 'memory_operand' for bit test/set/clear patterns.
8739 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8741 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8742 * varasm.c (assemble_start_function et al): Don't call
8743 ASM_GLOBALIZE_LABEL for weak symbols.
8745 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8747 * cse.c (equiv_constant): Check for NULL return from
8748 gen_lowpart_if_possible().
8750 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8752 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8754 * collect2.c (main): Pass -EL/-EB through to the compiler.
8756 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8758 * expr.c (push_block): Handle targets where the stack grows
8759 to higher addresses, but args grow to lower addresses and
8760 ACCUMULATE_OUTGOING_ARGS is not defined.
8762 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8764 * config/v850/v850.c (print_operand): Extend meaning
8765 of 'c' operands to support .vtinherit.
8767 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8769 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8770 Added ATTRIBUTE_UNUSED to unused function arguments.
8771 (rc_reg_operand): New predicate.
8772 (c4x_rptb_insert): New function.
8773 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8774 (c4x_optimization_options): New function.
8776 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8777 (decrement_and_branch_on_count): New pattern.
8778 (rptb_top): Modified pattern to work with BCT optimization.
8780 * config/c4x/c4x.h (RC_REG): New register class.
8781 (rc_reg_operand): Define prototype.
8782 (IS_RC_REG): New macro.
8783 (IS_RC_OR_PSEUDO_REG): New macro.
8784 (IS_RC_OR_PSEUDO_REGNO): New macro.
8785 (OPTIMIZATION_OPTIONS): Define.
8787 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8789 * collect2.c (extract_init_priority): No priority is 65535.
8791 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8793 * Makefile.in (build_tooldir): new variable, same as old
8794 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8795 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8796 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8798 * configure.in (gxx_include_dir): set default based on unlibsubdir
8799 * Makefile.in (tooldir): ditto
8800 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8801 gxx_include_dir, includedir and tooldir
8802 (protoize.o, unprotoize.o): ditto
8804 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8806 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8808 * config/arm/thumb.c (thumb_override_options): Add warning about
8809 PIC code not being supported just yet.
8811 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8813 * flow.c: Update comment.
8814 (notice_stack_pointer_modification): New static function.
8815 (record_volatile_insns): Use it.
8816 (mark_regs_live_at_end): Mark the stack pointer as alive
8817 at the end of the function if current_function_sp_is_unchanging
8819 (life_analysis_1): Set current_function_sp_is_unchanging.
8820 * function.c: Define it.
8821 (init_function_start): Initialize it.
8822 * output.h: Declare it.
8823 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8824 the stack pointer as alive at the end of the function if
8825 current_function_sp_is_unchanging is set.
8826 * i386.c (ix86_epilogue): Optimize the restoring
8827 of the stack pointer.
8829 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8831 * version.c: Bump for snapshot.
8833 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8835 * c-pragma.c (handle_pragma_token): If passed a token instead
8836 of a tree, use that as the pack value.
8838 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8840 * flow.c (find_basic_blocks_1): Fix prototype.
8842 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8844 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8845 (struct tree_decl): New fields no_check_memory_usage.
8846 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8847 (init_attributes): Register it as a new attribute.
8848 (decl_attributes): Set flags on functions given that attribute.
8849 * c-decl.c (duplicate_decls): Merge new attribute.
8850 * expr.h (current_function_check_memory_usage): Declare new var.
8851 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8852 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8853 current_function_check_memory_usage.
8854 * function.h: Add field to struct function.
8855 * function.c (current_function_check_memory_usage): Define it.
8856 (push_function_context_to, pop_function_context_from): Save and
8858 (expand_function_start): Set it, based on global flag and function
8861 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8862 check non-automatic variables, to permit detection of writes to
8863 read-only locations in embedded systems without memory management.
8864 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8865 when emitting chkr_set_right_libfunc call, even if the argument is
8866 BLKmode or variable-sized; don't abort.
8868 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8869 symbols in Pmode, not VOIDmode.
8871 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8873 * cppexp.c: When forcing unsigned comparisons, cast both sides
8876 * cpphash.h: Move static declaration of hashtab[]...
8877 * cpphash.c: ...here.
8879 * cpplib.c: Cast difference of two pointers to size_t before
8880 comparing it to size_t. Cast signed to unsigned
8881 before comparing to size_t. (FIXME: struct argdata should use
8882 unsigned buffer sizes.)
8883 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8884 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8885 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
8886 size_t before comparison.
8888 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
8890 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
8891 (find_basic_blocks_1): Similarly.
8892 * output.h (find_basic_blocks): Fix prototype.
8893 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
8894 find_basic_blocks anymore.
8896 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
8898 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
8899 (sbitmap_free, sbitmap_vector_free): New macros.
8900 * output.h (rtl_dump_file): Declare.
8902 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
8904 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
8906 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8908 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
8910 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
8911 (divide): Remove unused variable `tmp'.
8912 (si_to_float): Cast numeric constant to (SItype) before comparing
8915 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
8917 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
8918 * gcc.c (add_preprocessor_option): Correct typo when allocating
8919 memory, sizeof() argument had one too many `*'.
8920 (add_assembler_option): Likewise.
8921 (add_linker_option): Likewise.
8922 * gcov.c (output_data): Likewise.
8923 * local-alloc.c (memref_used_between_p): Likewise.
8924 (update_equiv_regs): Likewise.
8925 * loop.c (strength_reduce): Likewise.
8926 * reg-stack.c (record_asm_reg_life): Likewise.
8927 (subst_asm_stack_reg): Likewise.
8928 * reorg.c (dbr_schedule): Likewise.
8930 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8932 * flow.c (life_analysis_1): Break out some functions.
8933 (find_basic_blocks_1): Likewise. Also move some variables out and
8935 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
8936 new static var nonlocal_label_list with it.
8937 (active_eh_region, nested_eh_region, label_value_list,
8938 nonlocal_label_list): New static variables.
8939 (make_edges, delete_unreachable_blocks, delete_block): New static
8940 functions, broken out of find_basic_blocks_1.
8941 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
8942 noop_move_p): New static functions, broken out of life_analysis_1.
8944 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
8946 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
8947 Take extra care for op0 now possibly being a subreg.
8948 (extract_bit_field): Likewise.
8949 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
8950 the reg to memory if there is no equal sized integral mode.
8951 * stor-layout.c (int_mode_for_mode): New function.
8952 * machmode.h: Prototype it.
8954 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
8956 * global.c (build_insn_chain): Verify no real insns exist past the
8957 end of the last basic block, then exit the loop.
8959 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
8961 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
8963 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
8965 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
8967 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
8969 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8971 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8973 * flow.c (find_basic_blocks): Correctly determine when a call
8974 is within an exception region.
8976 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8978 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8980 * cpplib.h: Protect from multiple inclusions.
8981 * cpplib.c: Fix minor formatting problems.
8983 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8985 * jump.c (jump_optimize): Revert accidental patch.
8987 * Makefile.in (cpplib.o): Use unlibsubdir.
8989 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8991 * loop.c (get_condition): Allow combine when either compare is
8994 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8996 * version.c: Bump for snapshot.
8998 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
9000 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
9001 (init_lex): Initialize ridpointers[RID_BYREF].
9002 * c-lex.h (enum rid): Add RID_BYREF.
9003 * c-parse.gperf: Add RID_BYREF as a type qualifier.
9004 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
9005 (encode_type_qualifiers): Similarly
9006 * c-gperf.h: Rebuilt.
9008 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
9010 * c-common.c (type_for_mode): Only return TItype nodes when
9011 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9012 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
9013 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9014 (init_decl_processing): Only create TItype nodes when
9015 HOST_BITS_PER_WIDE_INT is >= 64 bits.
9016 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
9017 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
9019 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9021 * stmt.c (n_occurrences): New static function.
9022 (expand_asm_operands): Verify that all constrains match in the
9023 number of alternatives.
9024 Verify that '+' or '=' are at the beginning of an output constraint.
9025 Don't allow '&' for input operands.
9026 Verify that '%' isn't written for the last operand.
9027 * reload.c (find_reloads): Abort if an asm is found with invalid
9028 constraints; all possible problems ought to be checked for earlier.
9030 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9032 * flags.h (flag_branch_on_count_reg): Always declare
9033 * toplev.c (flag_branch_on_count_reg): Likewise.
9034 * toplev.c: Fix typos.
9036 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
9039 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
9041 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9043 (find_basic_blocks_1): Add a nop to the end of a basic block when
9044 a trailing call insn does not have abnormal control flow.
9045 * gcse.c (pre_transpout): New variable.
9046 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9047 (compute_pre_transpout): Calculate it.
9048 (compute_pre_ppinout): Use it to eliminate impossible placements
9049 due to abnormal control flow through calls.
9050 (compute_pre_data): Call compute_pre_transpout.
9052 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9054 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9056 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9058 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9059 and matching define_insns): Tack on a `use' of the table label, so
9060 flow analysis will recognize a tablejump.
9062 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9064 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9065 always end basic blocks for abnormal edge reasons.
9067 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9069 * config/i386/i386.h: Remove definition of
9070 HANDLE_PRAGMA_PACK_PUSH_POP.
9072 * config/i386/go32.h: Add definition of
9073 HANDLE_PRAGMA_PACK_PUSH_POP.
9075 * config/i386/win32.h: Add definition of
9076 HANDLE_PRAGMA_PACK_PUSH_POP.
9078 * config/i386/cygwin32.h: Add definition of
9079 HANDLE_PRAGMA_PACK_PUSH_POP.
9081 * c-pragma.c (insert_pack_attributes): Do not insert
9082 attributes unless #pragma pack(push,<n>) is in effect.
9084 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9086 * expr.c (emit_group_store): Handle a PARALLEL destination.
9088 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9090 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9091 the new insns before the argument regs are loaded.
9093 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9095 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9096 (c-parse.gperf): Update comments describing invocation flags.
9097 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9099 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9101 * reload1.c (reload): Call free before clobbering the memory
9102 locations or constants pointers.
9104 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9106 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9107 for efficiency by checking whether we need to modify the current
9108 stack permission at all.
9109 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9110 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9111 __enable_execute_stack libcall here too if
9112 TRANSFER_FROM_TRAMPOLINE is defined.
9113 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9116 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9118 * Makefile.in (DRIVER_DEFINES): Remove last change.
9120 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9122 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9123 insns we're going to copy.
9124 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9126 * loop.c (count_one_set): Add prototype.
9128 * caller-save.c (restore_referenced_regs): Lose mode argument.
9129 (insert_save): Lose mode argument.
9130 (insert_restore): Lose mode argument.
9131 (insert_one_insn): Lose mode argument.
9132 (save_call_clobbered_regs): Lose mode argument.
9133 (setup_save_areas): Take no argument and return void. All callers
9135 Don't verify validity of memory addresses.
9136 * reload.h (setup_save_ares): Adjust prototype.
9137 (save_call_clobbered_regs): Likewise.
9138 * reload1.c (delete_caller_save_insns): New function.
9139 (caller_save_spill_class): Delete variable.
9140 (caller_save_group_size): Delete variable.
9141 (reload): Call setup_save_areas and save_call_clobbered_regs
9142 in the main loop, before calling calculate_needs_all_insns.
9143 Don't call save_call_clobbered_regs after the loop.
9144 Call delete_caller_save_insns at the end of an iteration if
9146 Delete code to manage caller_save_spill_class.
9147 Emit the final note before setting reload_first_uid.
9148 Simplify test that determines whether reload_as_needed gets run.
9149 (calculate_needs): Delete code to manage caller_save_spill_class.
9151 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9153 * collect2.c (main): Initialize ld_file_name.
9155 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9157 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9158 check for flag_function_sections.
9160 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9162 * cse.c (insert_regs): Fix bug in Sep 24 change.
9164 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9166 * flags.h (flag_dump_unnumbered): Declare.
9167 * toplev.c (flag_dump_unnumbered): Don't declare.
9168 * print-rtl.c (flags.h): Include.
9169 (print_rtl_single): Add return value.
9170 * rtl.h (print_rtl_single): Update declaration.
9171 * flow.c (flag_dump_unnumbered): Don't declare.
9172 (print_rtl_with_bb): Use return value of print_rtl_single.
9174 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9176 * loop.c (count_one_set): New static function, broken out of
9178 (count_loop_regs_set): Call it.
9179 * global.c (mark_reg_store): Handle clobbers here by not calling
9181 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9182 is in fact a clobber.
9183 * integrate.c (process_reg_param): New function, broken out of
9184 expand_inline_function.
9185 (expand_inline_function): Call it.
9188 * i386.md (addsidi3_1): Delete unused variable temp.
9189 (addsidi3_2): Likewise.
9190 (clstrstrsi): Delete unused variable addr1.
9192 * rtl.h: Don't declare any functions also declared in recog.h.
9194 * Makefile.in (stupid.o): Update dependencies.
9195 (global.o): Likewise.
9197 * global.c: Include reload.h
9198 (reg_becomes_live): New function.
9199 (reg_dies): New function.
9200 (build_insn_chain): New function.
9201 (global_alloc): Call build_insn_chain before calling reload.
9203 * reload.h (struct needs): New structure definition.
9204 (struct insn_chain): Likewise.
9205 (reload_insn_chain): Declare variable.
9206 (new_insn_chain): Declare function.
9209 * reload1.c (reload_startobj): New variable.
9210 (reload_insn_chain): New variable.
9211 (unused_insn_chains): New variable.
9212 (new_insn_chain): New function.
9213 (init_reload): Initialize reload_startobj, not reload_firstobj.
9214 (reload): Initialize reload_firstobj.
9215 Before returning, free everything on the reload_obstack.
9217 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9218 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9219 current_chain): New variables.
9220 (reg_where_born): Delete variable.
9221 (REG_WHERE_BORN): New macro.
9222 (find_clobbered_regs): New function.
9223 (stupid_life_analysis): Don't allocate/free reg_where_born.
9224 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9225 reg_where_dead_chain.
9226 Use REG_WHERE_BORN instead of reg_where_born.
9227 While processing the insns, build the reload_insn_chain with
9228 information about register lifetimes.
9229 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9230 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9232 Compute and information about birth and death of pseudo registers in
9233 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9234 Delete code to set elements of reg_where_born.
9236 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9238 * tree.def (GOTO_EXPR): Modified documentation.
9239 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9242 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9244 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9245 loop_final_value, loop_comparison_code): No longer static.
9246 (unroll_loop): Delete loop_start_value update.
9247 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9248 loop_final_value, loop_comparison_code): Extern.
9249 (loop_start_value): Delete extern.
9250 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9251 loop_comparison_value, loop_comparison_code): Delete.
9252 (loop_optimize): Remove initialization for deleted variables.
9253 (strength_reduce): Delete analyze_loop_iterations call. Only call
9254 insert_bct if flag_branch_count_on_reg set.
9255 (analyze_loop_iterations): Delete.
9256 (insert_bct): Remove iteration count calculation. Move checks for
9257 viable BCT optimization to here. Obtain iteration count from
9258 loop_iterations and correct for unrolling. Check for enough
9259 iteration to be beneficial. Comment out runtime iteration count
9261 (insert_bct): Print iteration count in dump file. Remove
9262 loop_var_mode and use word_mode directly.
9264 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9265 * rs6000.c (rs6000_override_options): Use it.
9266 (optimization_options): Enable use of flag_branch_on_count_reg.
9267 * rs6000.md (define_function_unit): Describe 604e.
9269 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9271 * loop.c (move_movables): Corrected threshold calculation for
9272 moved_once registers.
9274 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9276 * loop.c (combine_givs_p): Fix test for identical givs.
9278 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9280 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9281 call abort if the function is already defined.
9283 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9285 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9286 truncation is not a no-op.
9288 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9290 * version.c: Bump for snapshot.
9292 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9294 * version.c: Bump for snapshot.
9296 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9298 * expmed.c (expand_divmod): Don't widen for computing remainder
9299 if we seem to have a divmod pattern for needed mode.
9301 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9303 * cpplib.c (macroexpand): Correct off-by-one error in handling
9306 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9308 * combine.c (expand_field_assignment): Don't do bitwise operations
9309 on MODE_FLOAT; pun to MODE_INT if possible.
9311 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9312 scott snyder <snyder@d0sgif.fnal.gov>
9314 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9315 linker. Recognize mangled names in quotes.
9317 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9319 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9320 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9321 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9322 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9324 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9326 * function.c (purge_addressof_1): If trying to take a sub-word
9327 integral piece of a floating point mode, put it on the stack.
9329 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9331 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9333 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9335 * PROJECTS: Remove template friends.
9337 * collect2.c (sort_ids): Remove unused variable.
9339 * tm.texi (MATH_LIBRARY): Document.
9340 (NEED_MATH_LIBRARY): Remove.
9342 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9343 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9345 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9347 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9348 last_end to 0x7fffffff.
9350 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9352 * function.c (purge_addressof_1): Do not perform endianness
9353 corrections on bitpos, who we call will do it for us.
9355 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9357 * h8300.c (WORD_REG_USED): Fix typo.
9358 (initial_offset): Use WORD_REG_USED.
9360 * h8300.c (handle_pragma): Fix typo.
9362 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9364 * caller-save.c (insert_save_restore): Break this function up
9365 into new functions insert_restore, insert_save and insert_one_insn.
9366 All callers changed.
9367 (insert_restore): New function, mostly broken out of
9368 insert_save_restore.
9369 (insert_save): Likewise.
9370 (insert_one_insn): Likewise.
9371 (restore_referenced_regs): New argument BLOCK. All callers changed.
9372 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9373 in this function, do it in insert_one_insn instead.
9375 * reload1.c (reload): Break out some more pieces into separate
9377 (dump_needs): New function, broken out of reload.
9378 (set_initial_elim_offsets): Likewise.
9379 (init_elim_table): Likewise.
9380 (update_eliminables): Likewise.
9382 * global.c (global_alloc): Delete code to manage the scratch_list.
9383 * local-alloc.c (qty_scratch_rtx): Delete.
9384 (scratch_block): Delete.
9385 (scratch_list): Delete.
9386 (scratch_list_length): Delete.
9387 (scratch_index): Delete.
9388 (alloc_qty_for_scratch): Delete.
9389 (local-alloc): Update initialization of max_qty.
9390 Delete code to manage the scratch list.
9391 Delete code to allocate/initialize qty_scratch_rtx.
9392 (block_alloc): Don't allocate quantities for scratches.
9393 Delete code to manage the scratch list.
9394 * regs.h (scratch_list): Delete declaration.
9395 (scratch_block): Delete declaration.
9396 (scratch_list_length): Delete declaration.
9397 * reload1.c (reload): Delete code to manage the scratch list.
9398 (spill_hard_reg): Likewise.
9399 (mark_scratch_live): Delete.
9401 * recog.c (alter_subreg): Delete declaration.
9403 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9405 * Makefile.in (cccp.o): Fix typo in last patch.
9407 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9409 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9410 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9412 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9414 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9415 NULL_RTX as an argument.
9417 * Makefile.in (unlibsubdir): Define.
9418 (DRIVER_DEFINES): Use unlibsubdir.
9419 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9420 (stmp-fixinc): Similarly.
9422 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9424 * regmove.c (regmove_optimize): Add variable old_max_uid.
9425 At the end of the function, update basic_block_end.
9427 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9429 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9430 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9433 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9435 * config/arm/arm.c: Improve interworking support.
9437 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9439 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9440 copied from reload_out[r] .
9442 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9444 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9445 with more than three size ranges.
9447 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9449 * rtl.c (mode_name): Add a null string at the end of the array.
9450 (mode_wider_mode): Change type to unsigned char.
9451 (mode_mask_array): New variable.
9452 (init_rtl): Update for mode_wider_mode type change.
9454 * rtl.h (mode_wider_mode): Change type to unsigned char.
9455 (mode_mask_array): Declare.
9456 (GET_MODE_MASK): Use mode_mask_array.
9458 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9460 * calls.c (expand_call) : Encapsulate code into
9461 copy_blkmode_from_reg.
9462 * expr.c (copy_blkmode_from_reg): New function.
9463 * expr.h (copy_blkmode_from_reg): New function.
9464 * integrate.c (function_cannot_inline_p): We can inline
9466 (expand_inline_function): Use copy_blkmode_from_reg
9467 if needed. Avoid creating BLKmode REGs.
9468 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9471 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9473 * config/v850/v850.c: Add function prototypes.
9474 Add support for v850 special data areas.
9476 * config/v850/v850.h: Add support for v850 special data areas.
9478 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9479 HANDLE_PRAGMA_PACK_PUSH_POP.
9480 (push_alignment): New function: Cache an alignment requested
9481 by a #pragma pack(push,<n>).
9482 (pop_alignment): New function: Pop an alignment from the
9484 (insert_pack_attributes): New function: Generate __packed__
9485 and __aligned__ attributes for new decls whilst a #pragma pack
9487 (add_weak): New function: Cache a #pragma weak directive.
9488 (handle_pragma_token): Document calling conventions. Add
9489 support for #pragma pack(push,<n>) and #pragma pack (pop).
9491 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9492 are defined enable HANDLE_PRAGMA_PACK.
9493 Move 'struct weak_syms' here (from varasm.c).
9494 Add pragma states for push and pop pragmas.
9496 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9499 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9500 HANDLE_GENERIC_PRAGMAS.
9502 * varasm.c: Move definition of 'struct weak_syms' into
9504 (handle_pragma_weak): Deleted.
9506 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9508 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9510 * c-decl.c (start_function): Add invocation of
9511 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9513 * tm.texi: Remove description of non-existant macro
9514 SET_DEFAULT_SECTION_NAME.
9516 (HANDLE_SYSV_PRAGMA): Document.
9517 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9519 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9521 * config.sub: Recognize i[34567]86-pc-udk as new target.
9522 * configure.in: Likewise.
9523 * config/i386/t-udk: New file.
9524 * config/i386/udk.h: New file.
9526 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9528 * reorg.c (check_annul_list_true_false): Remove unused variables.
9529 (steal_delay_list_from_target): Add missing "used_annul" variable.
9530 (try_merge_delay_insns): Close out half formed comment.
9532 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9534 * cpplib.c (macroexpand): If arg->raw_before or
9535 arg->raw_after, remove any no-reexpansion escape at the
9536 beginning of the pasted token. Correct handling of whitespace
9537 markers and no-reexpand markers at the end if arg->raw_after.
9539 * toplev.c (documented_lang_options): Recognize -include,
9540 -imacros, -iwithprefix, -iwithprefixbefore.
9541 * cpplib.c (cpp_start_read): Process -imacros and -include
9542 switches at the same time and in command-line order, after
9543 initializing the dependency-output code. Emit properly nested
9544 #line directives for them. Emit a #line for the main file
9545 before processing these switches, and don't do it again
9548 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9550 * function.c (purge_addressof_1): Use bitfield manipulation
9551 routines to handle mem mode < reg mode.
9553 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9555 * reorg.c (try_merge_delay_insns): Account for resources referenced
9556 in each instruction in INSN's delay list before trying to eliminate
9557 useless instructions. Similarly when looking at a trial insn's delay
9560 * reorg.c (check_annul_list_true_false): New function.
9561 (steal_delay_list_from_{target,fallthrough}): Call it and also
9562 refine tests for when we may annul if already filled a slot.
9563 (fill_slots_from_thread): Likewise.
9564 (delete_from_delay_slot): Return newly-created thread.
9565 (try_merge_delay_isns): Use its new return value.
9567 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9569 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9570 used to compute a giv or as some other non-counting use.
9572 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9574 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9575 * local-alloc.c (find_free_reg): Use it.
9576 * global.c (find_reg): Likewise.
9577 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9579 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9580 * caller-save.c (init_caller_save): Use it.
9581 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9583 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9585 * configure.in: Add --enable-cpplib option which uses cpplib
9586 for cpp, but doesn't link cpplib into cc1. Make help text
9587 capitalization consistent.
9588 * configure: Rebuilt.
9590 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9592 * function.c (gen_mem_addressof): If the address REG is
9593 REG_USERVAR_P make the new REG be so also.
9594 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9595 in an attempt to clarify slightly.
9597 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9599 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9600 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9602 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9604 * toplev.c: Fix last patch.
9606 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9608 * loop.c (get_condition): Fix typo in May 9 change.
9610 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9612 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9614 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9616 * toplev.c (documented_lang_options): Spelling corrections.
9618 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9620 * configure.in: new flags --with-ld and --with-as, equivalent
9621 to setting LD and AS environment variables. Test whether
9622 specified arguments are GNU commands, and report them with
9623 checking messages. Use the specified AS for configure
9626 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9628 * gcc.c (find_a_file): when looking for `as' and `ld', return
9629 the DEFAULT program if it exists
9630 * collect2.c (main): use DEFAULT_LINKER if it exists
9632 * gcc.c (find_a_file): the test for existence of a full
9633 pathname was reversed
9635 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9637 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9638 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9640 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9642 * tree.h (TYPE_BINFO): Document.
9644 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9646 * i386-coff.h (dbxcoff.h): Added.
9648 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9650 * toplev.c: fix bad patch around flag_data_sections.
9652 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9654 * reload1.c (reload): Use reload_address_index_reg_class and
9655 reload_address_base_reg_class when setting
9656 caller_save_spill_class. (Patch generated by Jim Wilson:
9659 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9661 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9662 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9663 * expr.c (store_field): Add alias_set parameter. Set the
9664 MEM_ALIAS_SET accordingly, if the target is a MEM.
9665 (expand_assignment): Use it.
9666 (store_constructor_field): Pass 0.
9667 (expand_expr): Likewise.
9669 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9671 * flags.h: Add flag_data_sections.
9672 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9673 (compile_file): Error if flag_data_sections not supported.
9674 * varasm.c (assemble_variable): Handle flag_data_sections.
9675 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9676 * config/mips/elf.h: Likewise.
9677 * config/mips/elf64.h: Likewise.
9678 * invoke.texi: Describe -fdata-sections.
9680 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9682 * invoke.texi (-ffloat-store): Clarify that this option
9683 does not affect intermediate results -- only variables.
9685 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9687 * cpp.texi: Update for Fortran usage from Craig.
9689 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
9691 * rs6000.c (function_arg_boundary): Revert accidental change on
9694 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9696 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9697 (output_mi_thunk): Declare.
9699 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9700 (output_function_profiler): Use r12 for temp, instead of r11 so
9701 that we preserve the static chain register.
9703 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9705 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9707 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9709 * sh.c (gen_shl_sext): Fix case 5.
9711 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9713 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9715 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9717 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9718 accessing variables until they are initialized via va_arg().
9720 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9722 * reload1.c (reload_combine): Initialize set before using.
9724 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9726 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9729 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9731 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9732 operand3 with mask before using it. Patch provided by Jim Wilson.
9734 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9736 * config/sparc/sparc.c (function_value): Perform the equivalent of
9737 PROMOTE_MODE for ARCH64.
9738 (eligible_for_epilogue_delay): Allow DImode operations in delay
9739 slot of a return for ARCH64.
9741 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9743 * sh.md (sqrtsf2): Fix mode of sqrt.
9745 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9747 * reload1.c (choose_reload_regs): Also try inheritance when
9748 reload_in is a stack slot of a pseudo, even if we already got a
9751 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9753 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9754 (reload_cse_regs): New function body: call reload_cse_regs_1,
9755 reload_combine, reload_cse_move2add.
9756 When doing expensive_optimizations, call reload_cse_regs_1 a
9757 second time after reload_cse_move2add.
9758 (reload_combine, reload_combine_note_store): New functions.
9759 (reload_combine_note_use): New function.
9760 (reload_cse_move2add, move2add_note_store): New functions.
9762 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9764 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9765 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9767 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9768 more than 3 such reloads.
9770 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9771 RELOAD_FOR_X_ADDR_ADDR reload.
9773 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9775 * expr.c (store_constructor): When initializing a field that is smaller
9776 than a word, at the start of a word, try to widen it to a full word.
9778 * cse.c (cse_insn): When we are about to change a register,
9779 remove any invalid references to it.
9781 (remove_invalid_subreg_refs): New function.
9782 (mention_regs): Special treatment for SUBREGs.
9783 (insert_regs): Don't strip SUBREG for call to mention_regs.
9784 Check if reg_tick needs to be bumped up before that call.
9785 (lookup_as_function): Try to match known word_mode constants when
9786 looking for a norrower constant.
9787 (canon_hash): Special treatment for SUBREGs.
9789 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9791 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9792 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9793 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9794 and offsets in actual stack trampoline code so they match the
9795 commentary and actually work.
9797 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9799 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9801 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9802 tmake_file. Set extra_parts to needed crt objects.
9803 * configure: Rebuilt.
9804 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9805 (TARGET_DEFAULT): Set if default is v9 or ultra.
9806 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9807 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9808 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9809 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9810 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9811 (TARGET_VERSION): Define.
9812 (MULTILIB_DEFAULT): Define.
9813 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9814 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9815 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9817 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9818 * config/sparc/sparc.c (sparc_override_options): If arch and
9819 pointer size disagree, emit diagnostic and fix it up. If
9820 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9821 V8PLUS in 64-bit mode.
9822 * config/sparc/t-linux64: New file.
9823 * config/sparc/t-sol2-64: New file.
9824 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9825 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9826 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9827 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9828 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9829 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9831 (STARTFILE_SPEC): Set approriately based upon those.
9832 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9833 disposition of DEFAULT_ARCH32_P.
9834 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9835 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9836 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9837 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9838 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9840 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9842 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9844 * rtl.h (init_virtual_regs): New function.
9845 * emit-rtl.c (init_virtual_regs): Define.
9846 (insn_emit): Use it.
9847 * integrate.c (save_for_inline_copying): Likewise.
9849 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9851 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9852 (enum reg_class): Add NONARG_LO_REGS support.
9853 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9854 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9855 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9856 completes. Re-enable HImode REG+OFFSET addresses.
9857 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9859 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9861 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9863 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9864 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9865 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9867 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9869 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9870 jumps as a single entity, taking into account the size of the
9873 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9875 * tree.def (SWITCH_EXPR): New tree node definition.
9877 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9879 * version.c: Bump for snapshot.
9881 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9883 * version.c: Bump for snapshot.
9885 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
9887 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
9890 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
9892 * Revert this patch.
9893 * reload.c (find_reloads): Do not replace a pseudo with
9894 (MEM (reg_equiv_addr)) in the initializing insn for the
9897 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
9899 * final.c (final_scan_insn): Disable tracking CC across branches.
9901 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9903 * expr.h (eh_rtime_match_libfunc): New extern declaration.
9904 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
9905 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
9906 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
9907 NULL. Only include <stdio.h> if inhibit_libc is not defined.
9909 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
9911 * toplev.c (rest_of_compilation): Skip compiling anything with
9912 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
9914 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
9916 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
9917 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
9918 use in_libcall_block.
9919 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
9920 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
9923 Mon Sep 21 14:02:23 1998
9925 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
9926 typo in no-fancy-math-387 description.
9928 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
9930 * version.c: Bump for snapshot.
9932 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
9934 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
9936 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
9938 * i386.h: (TARGET_SWITCHES) Add description fields for flags
9939 documented in install.texi.
9940 (TARGET_OPTIONS) Likewise.
9942 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
9944 * version.c: Bump for snapshot.
9946 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
9948 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
9949 * cccp.c (main): Likewise.
9951 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
9952 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
9955 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
9957 * Makefile.in (LIBS): Link in libiberty.a.
9958 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
9960 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
9962 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
9963 it to update bb boundaries. Update caller.
9964 * function.c (reposition_prologue_and_epilogue_notes): Update
9965 bb boundaries wrt the moved note.
9967 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
9969 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9971 * configure: Regenerate.
9973 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9975 * alpha.c (alpha_sr_alias_set): New variable.
9976 (override_options): Set it.
9977 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9978 (mode_mask_operand): Fix signed-unsigned comparision warning.
9979 (alpha_expand_block_move): Likewise.
9980 (print_operand): Likewise.
9981 (get_aligned_mem): Use change_address.
9982 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9983 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9984 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9985 (alpha_align_insns): Remade from old alphaev5_align_insns
9986 to handle multiple processors.
9987 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9988 * output.h (label_to_alignment): Prototype.
9990 * tree.c (new_alias_set): New function.
9991 * tree.h (new_alias_set): Declare it.
9992 * c-common.c (c_get_alias_set): Use it.
9994 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9996 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9997 to an ABS expr, convert an unsigned input to signed.
9999 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
10001 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
10003 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10005 * configure.in: Add support for c4x targets.
10006 * configure: Rebuilt.
10008 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
10010 * combine.c (distribute_notes): If an insn is a cc0 user, only
10011 delete it if we can also delete the cc0 setter.
10013 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
10015 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
10016 (invert_truthvalue): Enable truthvalue inversion for
10017 floating-point operands if -ffast-math.
10019 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
10021 * configure.in: Disable collect2 for nextstep. Instead use
10023 * configure: Rebuilt.
10024 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
10025 (ENDFILE_SPEC): Define.
10026 (OBJECT_FORMAT_MACHO): Define.
10027 (EH_FRAME_SECTION_ASM_OP): Define.
10028 * crtstuff.c: Handle MACHO.
10030 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
10032 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
10034 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
10036 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
10037 (_fpadd_parts): Get sign right for 0.
10039 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10041 * ginclude/varargs.h: Add support for C4x target.
10042 * ginclude/stdargs.h: Likewise.
10044 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10046 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10047 (alpha_emit_set_long_const): Rewrite to be callable from reload
10049 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10050 * alpha.md (movdi): Likewise.
10052 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10054 * arm.c (add_constant): New parameter address_only, change caller.
10055 Set it non-zero if taking the address of an item in the pool.
10056 (arm_reorg): Handle cases where we need the address of an item in
10059 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10061 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10062 memory addresses that are not in standard canonical form.
10064 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10066 * README.C4X: New file with information about the c4x ports.
10067 * ginclude/va-c4x.h: New file for c4x varargs support.
10068 * config/c4x: New directory with c4x port files.
10070 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10072 * reload.c (find_reloads): Do not replace a pseudo with
10073 (MEM (reg_equiv_addr)) in the initializing insn for the
10076 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10078 * toplev.c (rest_of_compilation): Set bct_p on second call to
10080 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10082 (strength_reduce): Only call analyze_loop_iterations and
10083 insert_bct if bct_p set.
10084 (check_dbra_loop): Fix typo.
10085 (insert_bct): Use word_mode instead of SImode.
10086 (instrument_loop_bct): Likewise. Do not delete iteration count
10087 condition code generation insn. Initialize iteration count before
10089 * rtl.h (loop_optimize): Update prototype.
10091 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10092 not doubleword aligned.
10094 * rs6000.c (optimization_options): New function.
10095 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10096 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10097 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10098 first; cr1 can be used for FP record condition insns.
10100 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10102 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10105 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10108 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10110 (block_move_call): New function: Call a library routine to copy a
10112 (m32r_expand_block_move): New function: Expand a "movstrsi"
10113 pattern into a sequence of insns.
10114 (m32r_output_block_move): New function: Expand a
10115 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10116 (m32r_block_immediate_operand): New function: Return true if the
10117 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10119 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10121 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10122 re-align some code.
10123 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10125 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10127 * regmove.c (copy_src_to_dest): Check that modes match.
10129 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10131 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10133 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10135 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10136 narrower than FLOAT_REGS.
10138 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10140 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10142 * Makefile.in (old_gxx_include_dir): removed
10144 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10146 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10149 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10150 (sh_handle_pragma): Change function arguments to match new
10151 specification for HANDLE_PRAGMA.
10153 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10155 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10157 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10158 When generating output, initialize missing struct member to zero.
10160 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10162 * regmove.c (copy_src_to_dest): Don't copy if that requires
10163 (a) new register(s).
10165 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10167 * global.c (reg_allocno): Now static.
10168 * reload1.c (reg_allocno): Delete declaration.
10169 (order_regs_for_reload): Take no arguments. Don't treat regs
10170 allocated by global differently than those allocated by local-alloc.
10172 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10174 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10175 condition, fix format strings.
10176 (output_function_epilogue): Likewise.
10178 * m68k/m68k.c: Don't include <stdlib.h> directly.
10180 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10182 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10183 mem_first_set, mem_last_set; because 0 can be a CUID.
10184 (oprs_unchanged_p): Use new definition.
10185 (record_last_reg_set_info): Likewise.
10186 (record_last_mem_set_info): Likewise.
10187 (compute_hash_table): Likewise.
10189 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10191 * rs6000.c (output_epilogue): Handle Chill.
10193 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10194 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10196 * combine.c (make_extraction): If no mode is specified for
10197 an operand of insv, extv, or extzv, default it to word_mode.
10198 (simplify_comparison): Similarly.
10199 * expmed.c (store_bit_field): Similarly.
10200 (extract_bit_field): Similarly.
10201 * function.c (fixup_var_regs_1): Similarly.
10202 * recog.c (validate_replace_rtx_1): Similarly.
10203 * mips.md (extv, extzv, insv expanders): Default modes for most
10204 operands. Handle TARGET_64BIT.
10205 (movdi_uld, movdi_usd): New patterns.
10207 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10208 equivalent memory location unless we have been provided a scratch
10209 register. Similarly do not call find_replacement unless a
10210 scratch register has been provided.
10212 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10214 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10217 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10219 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10220 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10221 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10222 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10223 * c-decl.c (init_decl_processing): Update accordingly.
10224 * expr.c (expand_builtin): Likewise.
10226 * rtl.h (global_rtl): Add cfa entry.
10227 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10228 (LAST_VIRTUAL_REGISTER): Update.
10229 * emit-rtl.c (global_rtl): Add cfa entry.
10230 (init_emit): Initialize it.
10231 * function.c (cfa_offset): New.
10232 (instantiate_virtual_regs): Initialize it.
10233 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10234 (expand_function_end): Call expand_eh_return.
10235 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10237 * except.c (current_function_eh_stub_label): Kill.
10238 (current_function_eh_old_stub_label): Likwise; update all references.
10239 (expand_builtin_set_return_addr_reg): Kill.
10240 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10241 (expand_builtin_set_eh_regs): Kill.
10242 (eh_regs): Produce a third reg for the actual handler address.
10243 (eh_return_context, eh_return_stack_adjust): New.
10244 (eh_return_handler, eh_return_stub_label): New.
10245 (init_eh_for_function): Initialize them.
10246 (expand_builtin_eh_return, expand_eh_return): New.
10247 * except.h: Update prototypes.
10248 * flow.c (find_basic_blocks_1): Update references to the stub label.
10249 * function.h (struct function): Kill stub label elements.
10251 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10252 register number is one that would be in the previous window.
10253 Provide a dummy definition for non-windowed targets.
10254 (get_reg_addr): New function.
10255 (get_reg, put_reg, copy_reg): Use it.
10256 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10257 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10259 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10260 (alpha_init_expanders): Initialize it.
10261 (alpha_expand_epilogue): Use it.
10262 * alpha.h: Declare it.
10263 * alpha.md (eh_epilogue): New.
10265 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10266 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10268 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10270 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10273 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10275 * except.h (struct eh_entry): Add false_label field.
10276 (end_catch_handler): Add prototype.
10277 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10278 (start_catch_handler): When using old style exceptions, issue
10279 runtime typematch code before continuing with the handler.
10280 (end_catch_handler): New function, generates label after handler
10281 if needed by older style exceptions.
10282 (expand_start_all_catch): No need to check for new style exceptions.
10283 (output_exception_table_entry): Only output the first handler label
10284 for old style exceptions.
10285 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10286 mechanism into one function, if a runtime matcher is provided.
10288 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10290 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10292 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10294 * integrate.c (copy_decl_list): Fix typo.
10296 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10298 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10301 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10303 * version.c: Bump for snapshot.
10305 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10307 * version.c: Bump for snapshot.
10309 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10311 * version.c: Bump for snapshot.
10313 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10315 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10317 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10319 * configure.in: remove usage of `!' to negate the result of a
10320 command; some common shells do not support it
10322 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10324 * configure.in: in sparc9-sol2 config, use 'if test' not
10326 * configure: Rebuilt.
10328 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10330 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10331 (CPP_CPU_DEFAULT_SPEC): Likewise.
10332 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10333 for arch64 libfuncs.
10335 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10338 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10340 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10342 * collect2.c: Don't declare `sys_siglist' here.
10343 (my_strsignal): Prototype and define new function. Use it in
10344 place of `sys_siglist' hacks.
10346 * mips_tfile.c: Likewise.
10348 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10349 (GCC_NEED_DECLARATIONS): Likewise.
10351 * system.h (strsignal): Prototype it, if necessary.
10352 (sys_siglist): Declare it, if necessary.
10354 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10356 * loop.c (move_movables): While removing insn sequences, preserve
10357 the next pointer of the most recently deleted insn when we skip
10360 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10362 * objc/config-lang.in: Do not output the name of the selected
10363 thread file when building the front-end. The Makefile for the
10364 runtime library will do this.
10366 * objc/Make-lang.in: Do not build the runtime library or install
10367 the Objective C header files. The Makefile for the runtime
10368 library will do this.
10370 * objc/Makefile.in (all.indirect): Only build the front-end.
10371 (compiler): Rename to `frontend'.
10372 (obj-runtime): Remove target.
10373 (copy-headers): Likewise.
10374 (clean): No need to remove `libobjc.a' any longer.
10376 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10378 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10379 supported with -mcpu=xxx.
10381 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10383 * flow.c (mark_set_1): Recognize multi-register structure return
10384 values in CALL insns.
10385 (mark_used_regs): Likewise.
10386 (count_reg_sets_1): Likewise.
10387 (count_reg_references): Likewise.
10388 * rtlanal.c (note_stores): Likewise.
10389 (reg_overlap_mentioned_p): Likewise.
10390 * haifa-sched.c (check_live_1): Likewise.
10391 (update_live_1): Likewise.
10392 (sched_analyze_1): Likewise.
10393 (sched_note_set): Likewise.
10394 (birthing_insn_p): Likewise.
10395 (attach_deaths): Likewise.
10397 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10400 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10402 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10404 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10406 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10408 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10410 * configure.in: Add check for GAS subsection -1 support.
10411 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10412 * configure config.in: Rebuilt.
10413 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10414 SImode is subsection -1 works, else use DImode.
10415 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10416 subsection -1 works.
10417 * config/sparc/sparc.c (sparc_output_addr_vec,
10418 sparc_output_addr_diff_vec): Use them if defined.
10420 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10422 * tree.h (DECL_ORIGIN): New macro.
10423 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10424 (copy_decl_list): Use it.
10425 (integrate_parm_decls): Likewise.
10426 (integrate_decl_tree): Likewise.
10427 * dwarf2out.c (decl_ultimate_origin): Simplify.
10428 * dwarfout.c (decl_ultimate_origin): Likewise.
10429 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10430 (pushdecl): Likewise.
10432 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10434 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10436 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10438 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10440 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10442 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10443 empty or has a single entry.
10445 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10446 before calling reg_to_stack.
10448 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10450 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10451 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10453 * c-tree.h (warn_long_long): Declare it.
10455 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10457 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10458 initialized float-int union if the value is a NaN.
10460 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10462 * c-lex.c (real_yylex): Don't warn about long long constants if
10463 we're allowing long long
10465 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10467 * except.h (current_function_eh_stub_label): Declare.
10468 (current_function_eh_old_stub_label): Declare.
10469 * function.h (struct function): New members eh_stub_label and
10471 * except.c (current_function_eh_stub_label): New variable.
10472 (current_function_eh_old_stub_label): New variable.
10473 (init_eh_for_function): Clear them.
10474 (save_eh_status): Save them.
10475 (restore_eh_status): Restore them.
10476 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10477 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10478 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10479 make an edge from the block that contains it to the block starting
10480 with the label if this label is one of the eh stub labels.
10481 If eh stub labels exist, show they are reachable from the last block
10484 * reload1.c (reload): Break out several subroutines and make some
10486 (calculate_needs_all_insns): New function, broken out of reload.
10487 (calculate_needs): Likewise.
10488 (find_reload_regs): Likewise.
10489 (find_group): Likewise.
10490 (find_tworeg_group): Likewise.
10491 (something_needs_reloads): New global variable, formerly in reload.
10492 (something_needs_elimination): Likewise.
10493 (caller_save_spill_class): Likewise.
10494 (caller_save_group_size): Likewise.
10495 (max_needs): Likewise.
10496 (group_size): Likewise.
10497 (max_groups): Likewise.
10498 (max_nongroups): Likewise.
10499 (group_mode): Likewise.
10500 (max_needs_insn): Likewise.
10501 (max_groups_insn): Likewise.
10502 (max_nongroups_insn): Likewise.
10503 (failure): Likewise.
10505 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10507 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10509 * loop.c (load_mems): Copy rtx for output mem.
10511 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10513 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10514 mips1 or mips2 either.
10516 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10518 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10520 (pa_adjust_insn_length): Update to work with new marking scheme
10521 for jumps inside switch tables.
10522 * pa.md (switch_jump): Remove pattern.
10523 (jump): Handle jumps inside jump tables.
10525 * Makefile.in (profile.o): Depend on insn-config.h
10527 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10529 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10531 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10533 Add preliminary native sparcv9 Solaris support.
10534 * configure.in: Recognize sparv9-*-solaris2*
10535 * configure: rebuilt
10536 * config.sub: Recognize sparcv9 just like sparc64.
10537 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10538 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10539 32-bit and 64-bit Solaris systems.
10540 * config/sparc/t-sol2: Assemble those with cpp.
10541 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10542 (*TF*_LIBCALL): If ARCH64 use V9 names.
10543 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10545 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10547 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10548 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10550 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10552 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10553 to Pmode if CASE_VECTOR_MODE is something else.
10555 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10557 * prefix.c (update_path): Correctly handle cases where PATH is
10558 a substring of the builtin prefix, but specifies a different
10559 directory location.
10561 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10563 * expr.c: Corrected comment about what MOVE_RATIO does.
10564 * config/alpha/alpha.h: Ditto.
10565 * config/1750a/1750a.h: Ditto.
10566 * config/clipper/clipper.h: Ditto.
10567 * config/i386/i386.h: Ditto.
10569 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10571 * configure.in (m68k-next-nextstep3*): Use collect2.
10572 Similarly for x86 NeXT configurations.
10573 * configure: Rebuilt.
10575 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10577 * configure.in: Don't assume srcdir is .../gcc
10578 * configure: Rebuilt.
10580 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10582 * global.c: Update comments.
10583 (global_alloc): Assign allocation-numbers
10584 even for registers allocated by local_alloc in case
10585 they are later spilled and retry_global_alloc is called.
10586 (mark_reg_store, mark_reg_clobber,
10587 mark_reg_conflicts, mark_reg_death): Always record a
10588 conflict with a pseudo register even if it has been
10589 assigned to a hard register.
10590 (dump_conflicts): Don't list pseudo registers already assigned to
10591 a hard register as needing to be allocated, but do list their
10593 * local-alloc.c: Update comment.
10595 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10597 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10598 * configure: Rebuilt.
10600 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10602 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10604 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10605 for all targets that set -msoft-float.
10607 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10609 * toplev.c (print_switch_values): Make static to match prototype.
10611 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10613 * configure.in: If we are unable to find the "gnatbind" program,
10614 then do not configure the ada subdir.
10615 * configure: Rebuilt.
10617 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10619 * version.c: Bump for snapshot.
10621 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10623 * version.c: Bump for snapshot.
10625 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10627 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10628 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10630 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10632 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10634 * genextract.c: Have insn-extract.c include toplev.h.
10636 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10638 * toplev.c: Include expr.h.
10639 (really_sorry, fancy_abort): Remove prototypes.
10640 (set_target_switch): Add argument in prototype.
10641 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10642 (v_really_sorry): Likewise.
10643 (print_version, print_single_switch, print_switch_values): Make
10644 static and add prototype arguments.
10645 (decl_printable_name): Add prototype arguments.
10646 (lang_expand_expr_t): New typedef.
10647 (lang_expand_expr): Declare as a lang_expand_expr_t.
10648 (incomplete_decl_finalize_hook): Add prototype argument.
10649 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10650 (botch): Likewise for variable `s'.
10651 (rest_of_type_compilation): Mark variables `type' and `toplev'
10652 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10653 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10654 (display_help): Make variable `i' an `unsigned long'.
10655 (main): Remove unused parameter `envp'.
10656 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10657 Cast -1 when comparing it with a `size_t'.
10659 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10660 prototype with ATTRIBUTE_NORETURN.
10661 (fatal_insn_not_found, fatal_insn, really_sorry,
10662 push_float_handler, pop_float_handler): Add prototypes.
10663 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10664 (do_abort, botch): Add prototypes.
10666 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10668 * final.c (final): If a label is reached only from a single jump,
10669 call NOTICE_UPDATE_CC on the jump and its predecessor before
10670 emitting the insn after the label.
10672 * i386.h: Add AMD K6 support.
10673 Change TARGET_* macros to use table lookup.
10674 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10675 (ADJUST_COST): Change definition to call function in i386.c.
10676 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10677 * i386.c: Add AMD K6 support.
10678 Add constants for feature tests used by TARGET_* macros.
10679 (split_di): If before reload, call gen_lowpart and gen_highpart.
10680 (x86_adjust_cost): New function.
10681 (put_jump_code): New function.
10682 (print_operand): New codes 'D' and 'd'.
10683 * i386.md: New insn types. New insn attribute "memory".
10684 Redefine scheduling parameters to use new types and add AMD K6
10685 support. Explicitly set type of most insns.
10686 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10687 Pro and K6 prefer movl $1,reg to incl reg.
10688 (adddi3, subdi3): Set cc_status.
10689 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10690 to int; x86 can't have more than 2^31 DImode shifts per file.
10691 (setcc): Combine all setcc patterns. Allow writing memory.
10692 Combine all jump patterns using match_operator.
10693 (*bzero): Name pattern. Emit mutliple stos instructions when that
10694 is faster than rep stos.
10695 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10698 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10700 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10703 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10705 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10706 not whatever we're generating now.
10708 * alpha.c (set_frame_related_p, FRP): New.
10709 (alpha_expand_prologue): Mark frame related insns.
10710 (alpha_expand_epilogue): Likewise, but with a null FRP.
10711 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10712 * alpha.md (exception_receiver): New.
10713 * alpha/crtbegin.asm (.eh_frame): New beginning.
10714 (__do_frame_setup, __do_frame_takedown): New.
10715 * alpha/crtend.asm (.eh_frame): New ending.
10716 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10717 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10718 (ASM_FILE_START): Don't emit .file for dwarf2.
10720 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10721 * rtl.c (reg_note_name): Likewise.
10722 * rtl.texi (REG_NOTES): Likewise.
10723 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10726 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10728 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10729 * i386.md (movsf, movdf, movxf): Validate memory address returned
10730 from force_const_mem. Kill useless REG_EQUAL setting code.
10732 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10734 * m68k.md (zero_extendsidi2): Fix typo.
10736 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10738 * configure.in: Removed references to the removed file
10739 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10740 * arm*-*-netbsd* and ns32k-*-netbsd*.
10741 * config/i386/xm-netbsd.h: Removed unnecessary file.
10742 * config/m68k/xm-netbsd.h: Likewise.
10743 * config/sparc/xm-netbsd.h: Likewise.
10744 * config/mips/xm-netbsd.h: Likewise.
10746 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10748 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10749 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10751 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10752 for exact section attributions.
10754 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10756 * i386/crtdll.h (CPP_PREDEFINES): Define.
10758 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10760 * m68k.md (5200 movqi): Do not allow byte sized memory references
10761 using address regs.
10762 * m68k.c (output_move_qimode): Do not use byte sized operations on
10765 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10766 explicit rules for building. Similarly for alloca, vfprintf,
10767 choose-temp and mkstemp, getopt, getopt1, and obstack.
10768 (INCLUDES): Add $(srcdir)/../include.
10769 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10770 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10772 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10774 * gcc.c (do_spec_1): [case 'o'] Account for
10775 lang_specific_extra_outfiles.
10776 (main): Correctly clear all slots in outfiles for
10777 lang_specific_extra_outfiles. Set input_file_number before
10778 calling lang_specific_pre_link.
10780 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10782 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10784 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10786 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10788 (sparc_output_deferred_case_vectors): If no work to do, return.
10789 Fix thinko in Sept 1 change.
10791 1998-09-03 SL Baur <steve@altair.xemacs.org>
10793 * Makefile.in: add semicolon in BISON definition for portability.
10795 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10797 * config/nextstep.c (handle_pragma): Correct name of third
10800 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10802 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10803 * config/m32r/m32r.h: Make register 17 be fixed.
10804 * config/m32r/m32r.c: Use SImode for cc operations.
10806 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10808 * invoke.texi (Warning Options): Add -Wnon-template-friend
10811 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10813 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10815 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
10817 * rs6000.md (movsf): Disable explicit secondary-reload-like
10818 functionality if TARGET_POWERPC64.
10819 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10822 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10824 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10825 and term.h from fixinc.wrap.
10827 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10829 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10830 safe to include both string.h and strings.h together.
10831 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10832 which headers to search for function declarations. Continue to
10833 prefer string.h over strings.h when both are not acceptable.
10835 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10837 * configure.in: Call GCC_HEADER_STRING.
10839 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10840 to include. Continue to prefer string.h over strings.h when both
10841 are not acceptable.
10843 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10845 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10846 not assume top 32-bits of symbolic addresses are zero if
10849 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10851 * ginclude/va-alpha.h: Protect entire second portion of the
10852 file against double inclusion.
10854 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10856 Added support for the Boehm's garbage collector.
10857 * configure.in: Handle --enable-objc-gc.
10858 * configure: Rebuilt.
10859 * Makefile.in (CHECK_TARGETS): Add check-objc.
10860 (check-objc): New rule.
10861 * objc/Make-lang.in: Build a different Objective-C library that
10862 runs with the Boehm's collector.
10863 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10864 * objc/encoding.c: Correctly compute the size of compound types in
10865 the presence of bitfields. Skip the variable name of the type if
10866 any. Added support for long long.
10867 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10868 (_F_GCINVISIBLE): New mask.
10869 * objc/gc.c: New file. Compute the type memory mask associated with
10870 a class based on the runtime information.
10871 * objc/misc.c: Added the hooks that use the Boehm's collector
10872 allocation functions.
10873 * objc/objc-act.c (build_class_template): Generate a new class
10874 member (gc_object_type) to hold the class' type memory mask.
10875 (build_shared_structure_initializer): Initialize the new member to
10877 (encode_complete_bitfield): New function. Generate the new
10879 (encode_field_decl): Generate the new encoding only for the GNU
10881 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10883 (class_get_gc_object_type): New function to mark a pointer instance
10884 variable as a weak pointer.
10885 * objc/objc-features.texi: New file.
10886 * objc/objc.h (gc_object_type): New class member.
10887 * objc/objects.c (class_create_instance): Create a typed memory
10888 object when compiled with Boehm's collector support.
10889 * objc/sendmsg.c (__objc_init_install_dtable): Call
10890 __objc_send_initialize instead of setting the initialize flag.
10891 (__objc_send_initialize): Call __objc_generate_gc_type_description
10892 to generate the class type memory mask. Rewrite the code that
10893 sends the +initialize so that it is called only once (bug report
10894 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
10895 * testsuite/objc: New testsuite for Objective-C type encoding.
10896 * testsuite/lib/objc-torture.exp: New file.
10897 * testsuite/lib/objc.exp: New file.
10899 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
10901 * jump.c (jump_optimize): In if/then/else transformations, add
10902 another call to modified_between_p for the jump insn.
10904 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
10906 * fix-header.c (symlink): Treat like readlink.
10908 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10910 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
10913 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
10915 * config/nextstep.h: Update HANDLE_PRAGMA macro.
10916 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
10917 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
10919 * config/nextstep.c (handle_pragma): Take three arguments, as per
10920 the new HANDLE_PRAGMA macro specification.
10921 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
10922 per the new HANDLE_PRAGMA macro specification.
10923 * config/i960/i960.c (process_pragma): Take three arguments, as
10924 per the new HANDLE_PRAGMA macro specification.
10926 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
10928 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
10929 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
10930 if unknown pragmas are encountered.
10931 (handle_sysv_pragma): Interpret return code from
10932 handle_pragma_token (). Return success/failure indication rather
10933 than next unprocessed character.
10934 (pragma_getc): New function: retrieves characters from the
10935 input stream. Defined when HANDLE_PRAGMA is enabled.
10936 (pragma_ungetc): New function: replaces characters back into the
10937 input stream. Defined when HANDLE_PRAGMA is enabled.
10939 * c-pragma.c (handle_pragma_token): Return success/failure status
10942 * c-pragma.h: Change prototype of handle_pragma_token().
10944 * varasm.c: (handle_pragma_weak): Only create this function if
10945 HANDLE_PRAGMA_WEAK is defined.
10947 * c-common,c (decl_attributes): If defined call the expression
10948 contained within the INSERT_ATTRIBUTES macro before adding
10949 attributes to a decl.
10951 * tm.texi (HANDLE_PRAGMA): Document the new verion of
10952 HANDLE_PRAGMA, which takes three arguments.
10953 (INSERT_ATTRIBUTES): Document this new macro.
10955 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
10956 new INSERT_ATTRIBUTES macro.
10958 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10960 * config/sparc/sparc.md (movdf): Only generate special RTL for
10961 LABEL_REFs when PIC.
10962 (move_label_di): Remove
10963 (movdi_pic_label_ref, movdi_high_pic_label_ref,
10964 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
10965 references when PIC.
10966 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
10967 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
10968 output an .xword for all 64-bit cases.
10970 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10972 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10973 alignment, use FUNCTION_BOUNDARY instead.
10974 (sparc_output_deferred_case_vectors): Likewise.
10976 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10978 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10979 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10981 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10983 * alpha/va_list.h: New file.
10984 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10986 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10988 * NEWS: Add SCO Openserver and Unixware 7 notes.
10992 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10994 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10995 (record_constant_1): Handle RANGE_EXPR.
10997 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10999 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
11000 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
11001 and NOTE_INSN_RANGE_END specially.
11002 (reemit_notes): Likewise.
11004 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11006 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
11007 (ultrasparc_sched_init): Remove unneeded &.
11009 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11011 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
11012 for m68020-60, to prevent the use of fintrz.
11014 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
11016 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
11018 * Makefile.in: Likewise.
11019 * configure: Regenerated.
11021 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
11023 * configure.in (gxx_include_dir): Changed to
11024 '${prefix}/include/g++'-${libstdcxx_interface}.
11025 * configure: Rebuilt.
11027 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
11029 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
11031 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
11032 *sequences* *below* which scalar moves will be used.
11034 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
11036 * collect2.c (mktemp): Delete unused declaration.
11038 * config/xm-netbsd.h: Remove unnecessary file.
11039 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
11040 file anymore, it is not needed.
11042 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11044 * convert.c (convert_to_integer): Issue an error on conversions to
11047 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11049 * Makefile.in: Add lang_tree_files and gencheck.h.
11050 * configure.in: Generate them.
11051 * gencheck.c: Include gencheck.h.
11053 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11055 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11056 movdi_lo_sum_pic and movdi_high_pic and make visible.
11057 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11058 emit these when Pmode is not SImode.
11059 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11061 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11063 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11064 .linkonce directive after the first time.
11066 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11068 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11069 the clobbered operand overlaps with an input.
11070 (bne0_di): Similarly.
11072 * Makefile.in (INSTALL): Remove "--no-header" argument.
11074 * NEWS: Various updates.
11076 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11078 * config/sparc/sparc.c (arith_operand, const64_operand,
11079 const64_high_operand, arith_double_4096_operand): Mark mode as
11081 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11083 (sparc_emit_set_const64): Remove unused variable i.
11084 (sparc_splitdi_legitimate): Likewise for addr_part.
11085 (ultra_code_from_mask): Likewise for mask.
11086 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11087 reverse return values so it matches usage and comments.
11088 (ultra_flush_pipeline): Likewise.
11089 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11090 this_type, and allow loads and stores of differing FP modes as
11091 they do not create a conflict.
11092 (ultra_find_type): Initialize fpmode to SFmode, fix
11093 parenthesization thinkos in large conditional.
11094 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11095 Init free_slot_mask after ultra_cur_hist is reset, not before.
11096 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11097 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11098 use ultra_flush_pipeline instead, then re-init group pointer.
11099 Fix statement with no effect. If no progress made in, and no
11100 instructions scheduled at all, advance to new pipeline cycle else
11101 we get into an endless loop.
11102 (ultrasparc_adjust_cost): Remove previous arg.
11103 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11105 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11107 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11108 code. Use reg_overlap_mentioned_p to detect when source and
11109 destination overlap.
11110 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11112 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11114 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11115 COMPARISON_VAL, into invariant_p.
11117 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11119 * regmove.c (regclass_compatible_p): New function.
11120 (regmove_optimize): Use it.
11122 Use NREGS parameter insted of calling max_reg_num.
11124 (fixup_match_1): Don't use code = MINUS when later tieing with
11125 a hard register is likely.
11127 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11129 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11130 COMPARISON_VAL was normalized.
11132 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11134 * loop.c (check_dbra_loop): The loop ending comparison value
11135 must be an invariant or we can not reverse the loop.
11137 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11138 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11140 (load_mems_and_recount_loop_regs_set): Likewise.
11142 * i386.c (print_operand): Remove obsolete 'c' docs.
11144 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11146 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11147 * frame.c (init_object_mutex): New function.
11148 (init_object_mutex_once): Likewise.
11149 (find_fde): Call it.
11150 (__register_frame_info): Likewise.
11151 (__register_frame_info_table): Likewise.
11152 (__deregister_frame_info): Likewise.
11154 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11156 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11158 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11160 * loop.c (check_dbra_loop): Enable code for reversal
11161 of some loops without a known constant loop end.
11163 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11165 * haifa-sched.c (last_clock_var): New.
11166 (schedule_block): Initialize it.
11167 (schedule_insn): Use it to fill insn modes with issue information.
11169 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11170 Tag trapb and next insn with TImode.
11171 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11172 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11173 Invoke alphaev5_align_insns as appropriate.
11174 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11175 (MD_SCHED_VARIABLE_ISSUE): New.
11176 * alpha.md (attr type): Add multi.
11177 (define_asm_attributes): New.
11178 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11179 (arg_home): Likewise.
11180 (fnop, unop, realign): New.
11182 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11184 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11185 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11187 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11188 (rs6000-ibm-aix4.[12]*): Likewise.
11189 * configure: Regnerate.
11191 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11193 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11194 already contains the return address.
11196 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11198 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11199 word sized hunks when loading unaligned args into registers.
11201 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11202 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11204 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11206 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11208 * loop.c (check_dbra_loop): Add some code that would allow reversal
11209 of some loops without a known constant loop end if it were enabled.
11211 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11213 * mips.md (lshrsi3_internal2+2): Fix type-o.
11215 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11217 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11218 correctly with regards to stdio.h.
11220 * calls.c: Remove stdarg.h/varargs.h.
11221 * cccp.c: Likewise.
11222 * cexp.y: Likewise.
11223 * combine.c: Likewise.
11224 * cpperror.c: Likewise.
11225 * cpplib.c: Likewise.
11226 * cpplib.h: Likewise.
11227 * doprint.c: Likewise.
11228 * emit-rtl.c: Likewise.
11229 * final.c: Likewise.
11230 * fix-header.c: Likewise.
11232 * genattr.c: Likewise.
11233 * genattrtab.c: Likewise.
11234 * gencodes.c: Likewise.
11235 * genconfig.c: Likewise.
11236 * genemit.c: Likewise.
11237 * genextract.c: Likewise.
11238 * genflags.c: Likewise.
11239 * genopinit.c: Likewise.
11240 * genoutput.c: Likewise.
11241 * genpeep.c: Likewise.
11242 * genrecog.c: Likewise.
11243 * mips-tfile.c: Likewise.
11244 * prefix.c: Likewise.
11245 * protoize.c: Likewise.
11246 * regmove.c: Likewise.
11247 * toplev.c: Likewise.
11248 * tree.c: Likewise.
11250 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11252 * config/sparc/sparc.c (sparc_override_options): If not
11253 TARGET_FPU, turn off TARGET_VIS.
11254 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11255 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11256 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11257 (movdi_insn_sp64): Add VIS fzero alternative.
11258 (clear_sf, clear_df): New VIS patterns.
11259 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11261 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11263 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11265 * loop.c (n_times_set, n_times_used, may_not_optimize,
11266 reg_single_usage): Convert to varrays. All uses changed.
11267 (insert_loop_mem): Return a value.
11268 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11269 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11272 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11275 * configure.in: Do not set thread_file to "irix" since no such
11276 support exists yet.
11278 * sparc.md (float abs/neg splits): Check reload_completed before
11279 calling alter_subreg.
11281 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11283 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11285 * config/sparc/sparc.h: Declare it.
11286 * config/sparc/sparc.md (float abs/neg splits): Use it.
11287 (all other splits): Handle SUBREGs properly where necessary.
11288 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11290 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11292 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11293 an insn on the unfilled_slots_list that has no delay slots.
11294 (fill_eager_delay_slots): Similarly.
11296 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11298 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11299 as an ordinary operand.
11301 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11303 * tree.c (valid_machine_attribute): Don't apply attributes to both
11306 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11308 * reload.c (operands_match_p): Handle rtvecs.
11310 * i386.c (legitimate_pic_address_disp_p): New.
11311 (legitimate_address_p): Use it.
11312 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11313 Handle constant pool symbols just like statics.
11314 (emit_pic_move): Use Pmode not SImode for clarity.
11315 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11316 [UNSPEC]: New, handling what we killed above.
11317 [PLUS]: Detect and abort on invalid symbol arithmetic.
11318 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11320 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11322 * alias.c: Include output.h.
11323 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11324 different if we're in a varargs function.
11325 * Makefile.in (alias.o): Depend on output.h
11327 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11329 * sh.h (GIV_SORT_CRITERION): Delete.
11331 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11333 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11334 * stupid.c (stupid_life_analysis): Ditto.
11335 * reload1.c (reload): Ditto.
11337 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11339 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11340 arith_double_4096_operand, arith_double_add_operand): New
11342 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11343 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11344 them to transform add/sub 4096 into add/sub -4096.
11346 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11348 * loop.c (scan_loop): Allocate some slop to handle pseudos
11349 generated by move_movables.
11350 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11353 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11355 * tree.def (DECL_RESULT): Correct documentation.
11357 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11359 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11360 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11361 conflicts will all RELOAD_FOR_OUTPUT reloads.
11363 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11364 loads the function result, substitute with a USE.
11366 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11368 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11369 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11370 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11371 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11372 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11373 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11375 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11376 'o' to 'm' for GPR variant constraints.
11378 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11380 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11382 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11384 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11385 when the source and destination overlap.
11387 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11388 clash with global type.
11390 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11392 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11394 * c-common.c (combine_strings): Also set TREE_READONLY.
11395 Change warn_write_strings to flag_const_strings.
11396 * c-decl.c, c-tree.h: Likewise.
11398 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11400 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11401 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11402 sequence, use SET/IOR instead so CSE can see it.
11403 * config/sparc/sparc.md (movhi_const64_special,
11404 movsi_const64_special): New patterns necessitated by that change.
11405 (movhi_high): Remove.
11406 (movhi_lo_sum): Change to match an IOR.
11407 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11408 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11409 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11410 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11411 registers are involved.
11412 (snesi_zero_extend split): Remove reload_completed test.
11413 (unnamed plus and minus zero_extend sidi splits): Add it.
11415 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11417 * extend.texi: Remove description of extension to explicit
11418 instantiation that is now endorsed by standard C++.
11420 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11422 * config/arc/arc.c (arc_initialize_pic): Remove.
11423 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11424 nothing on any platform and is invoked by no-one, it does not even
11425 appear in the documentation.
11426 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11427 * config/sparc/sparc.c (initialize_pic): Likewise.
11428 (find_addr_reg): Remove this as well, no longer referenced after
11431 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11433 * recog.c (validate_replace_rtx_group): New function.
11434 * recog.h (validate_replace_rtx_group): Declare it.
11435 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11436 the entire group of substitutions.
11438 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11440 * loop.c (load_mems): Fix initializers.
11442 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11444 * config/sparc/sparc.md (TFmode splits): Handle destination
11445 registers being referenced in the address correctly.
11447 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11448 TREE_UNSIGNED, when bitsize of type's mode is larger than
11449 HOST_BITS_PER_WIDE_INT.
11451 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11453 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11454 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11455 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11457 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11460 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11462 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11463 * h8300.h (TINY_DATA_NAME_P): Likewise.
11464 (STRIP_NAME_ENCODING): Handle '&'.
11466 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11467 register (it could be accessed via an outer SUBREG).
11468 (REG_OK_FOR_BASE_P): Likewwise.
11469 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11471 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11474 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11476 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11478 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11479 must be offsettable so the splits can be made.
11481 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11483 * config/i386/winnt.c: Include system.h, not stdio.h to get
11484 sys/param.h pulled in before rtl.h in case the system defines MIN
11487 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11489 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11491 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11493 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11495 * cpplib.c (cpp_define): Handle macros with parameters.
11497 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
11499 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11500 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11501 and DImode 64-bit. Use llong for minimal-toc SFmode and
11502 SYMBOL_REF / LABEL_REF 64-bit.
11503 (output_function_profiler): Use llong for profiler label and ld to
11504 load 64-bit label address.
11506 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11508 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11511 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11513 * version.c: Bump for snapshot.
11515 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11517 * version.c: Bump for snapshot.
11519 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11521 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11523 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11525 * tm.texi (Misc): Fix typo "teh".
11527 * tm.texi (PIC): Fix typo "PPIC".
11529 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11530 effect when -O2 and higher.
11531 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11533 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11535 * regclass.c: Changed register set documentation to be consistent
11536 with GCC behaviour.
11538 * final.c (final_start_function) Removed redundant test for
11541 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11543 * rtl.h (rtx_function): New type.
11544 (for_each_rtx): New function.
11545 * rtlanal.c (for_each_rtx): Define it.
11547 * recog.c (change_t): New type.
11548 (change_objects, change_old_codes, change_locs, change_olds):
11550 (changes): New variable.
11551 (validate_change): Dynamically allocate room for more changes, if
11552 necessary. Uses changes array instead of change_objects, etc.
11553 (apply_change_group): Use changes array instead of
11554 change_objects, etc.
11556 * loop.c (loop_mem_info): New type.
11557 (loop_mems): New variable.
11558 (loop_mems_idx): Likewise.
11559 (looop_mems_allocated): Likewise.
11560 (scan_loop): Remove nregs parameter.
11561 (next_insn_in_loop): New function.
11562 (load_mems_and_recount_loop_regs_set): Likewise.
11563 (load_mems): Likewise.
11564 (insert_loop_mem): Likewise.
11565 (replace_loop_mem): Likewise.
11566 (replace_label): Likewise.
11567 (INSN_IN_RANGE_P): New macro.
11568 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11569 (scan_loop): Remove nregs parameter, compute it after any new
11570 registers are created by load_mems. Use INSN_IN_RANGE_P and
11571 next_insn_in_loop rather than expanding them inline. Call
11572 load_mems to load memory into pseudos, if appropriate.
11573 (prescan_loop): Figure out whether or not there are jumps from the
11574 loop to targets other than the label immediately following the
11575 loop. Call insert_loop_mem to notice all the MEMs used in the
11576 loop, if it could be safe to pull MEMs into REGs for the duration
11578 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11580 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11582 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11584 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11586 * config/sparc/sparc.c (finalize_pic): Check for the correct
11587 nonlocal_goto_receiver UNSPEC number.
11588 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11589 making note of this dependency existing in sparc.c
11590 (negtf2_notv9 split): Give NEG SFmode.
11591 (negsf2): Fix insn output string.
11593 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11595 * c-common.c (decl_attributes): Issue an error if the argument
11596 to alias is not a string.
11598 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11600 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11601 pending memory flush list.
11603 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11605 (try_combine): Allow combining insns with REG_LIBCALL notes.
11607 * expr.c (emit_block_move): Do not call memcpy as a libcall
11608 instead build up a CALL_EXPR and call it like any other
11610 (clear_storage): Similarly for memset.
11612 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11615 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11618 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11619 and REG_LIVE_LENGTH as successful substitutions are made.
11621 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11623 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11624 statement after end of loop label.
11626 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11628 * config/sparc/sparc.c (ultra_types_avail): New variable.
11629 (ultra_build_types_avail): New function to record mask of insn
11630 types in ready list at this cycle.
11631 (ultrasparc_sched_reorder): Call it.
11632 (ultra_find_type): Use it to quicken the search. Also simplif
11633 dependency check, don't use rtx_equal_p because we know exactly
11634 what we are looking for.
11636 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11638 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11639 for architecture v4.
11641 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11643 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11645 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11646 movdf_const_intreg and helper splits): New patterns to move float
11647 constants into integer registers.
11648 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11651 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11654 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11656 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11658 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11659 a BASE_REGS register is needed as an intermediate when copying
11660 a symbolic value into any register class other than BASE_REGS.
11662 * expr.c (move_by_pieces): No longer static. Remove prototype.
11663 * rtl.h (move_by_pieces): Add extern prototype.
11664 * mips.c (expand_block_move): Handle aligned straight line copy by
11665 calling move_by_pieces.
11667 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11670 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11672 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11673 jumps out of the loop to be treated as part of the exit test.
11675 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11676 Jeff Law <law@cygnus.com>
11678 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11679 * cplus-dem.c: Delete.
11681 * Makefile.in (fold-const.o): depend on $(RTL_H).
11683 * fold-const.c: Include rtl.h to get the prototype for
11684 `set_identifier_local_value'.
11686 * loop.c (express_from_1): Remove unused variable `tmp'.
11687 (combine_givs): cast the first argument of bzero to char *.
11689 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11691 * c-decl.c (init_decl_processing): Remove unneeded &.
11693 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11695 * except.c (set_exception_lang_code, set_exception_version_code):
11696 Change parameter from `short' to `int' to avoid using a gcc
11699 * except.h (set_exception_lang_code, set_exception_version_code):
11700 Likewise for prototypes.
11702 * flow.c (count_reg_references): Remove unused variables `regno'
11705 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11707 * prefix.c (translate_name): Cast the result of `alloca'.
11709 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11711 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11713 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11714 Include "toplev.h".
11715 (valid_dbcc_comparison_p): Mark mode argument as unused.
11716 (symbolic_operand): Likewise.
11717 (legitimize_pic_address): Likewise.
11718 (const_uint32_operand): Likewise.
11719 (const_sint32_operand): Likewise.
11720 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11721 schedule_insns and comment out rest of file.
11723 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11725 (output_move_[hq]imode): Likewise.
11727 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11729 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11730 * invoke.texi: Corresponding changes.
11732 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11734 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11736 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11738 * config/sparc/sparc.c (ultra_code_from_mask,
11739 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11740 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11741 ultrasparc_sched_init, ultrasparc_variable_issue,
11742 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11743 functions to describe UltraSPARC pipeline exactly to Haifa.
11744 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11745 as there is nothing the scheduler can do about it. Indicate that
11746 REG_DEP_OUTPUT's collide. Fixup formatting.
11747 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11748 divide costs on Ultra for DImode.
11749 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11751 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11752 ieuN and add call_no_delay_slot to type list.
11753 (cti function unit): New unit for branches on UltraSPARC.
11754 (subx/addx insns): Set type to misc.
11755 (sidi zero/sign extension insns on arch64): Set type to shift.
11756 (sign_extendhidi2_insn): Set type to sload.
11758 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
11760 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11761 (output_epilog): Use if != 0 for offset.
11762 (rs6000_fatal_bad_address): Prepare for Intl.
11763 * rs6000.h (rs6000_fatal_bad_address): Declare.
11764 * rs6000.md (movsfcc, movdfcc): Use else if.
11765 (elf_high): Use {liu|lis}.
11766 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11767 (movsi): Use rs6000_fatal_bad_address.
11769 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11771 * reload.c (find_equiv_reg): Reject equivalences separated
11772 by a volatile instruction.
11774 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11776 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11778 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11780 * alpha.md (movsicc): Fix mode mismatch.
11782 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11784 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11786 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11788 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11790 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11791 write-only modifier from operand 1 constraint.
11793 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11795 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11796 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11798 (sparc_emit_set_const64): Likewise, also when computing trailing
11799 bits do not negate low_bits and make fast_int an int.
11801 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11803 * loop.c (add_label_notes): Do not ignore references to labels
11804 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11805 * gcse.c (add_label_notes): Similarly.
11807 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11809 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11810 (adddi_dishl32): Similarly.
11812 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11814 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11815 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11816 * cse.c (cse_basic_block): Add parens to shut up warnings.
11818 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11820 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11821 sparc_emit_set_const64_longway, const64_is_2insns,
11822 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11823 in 64-bit constant formation.
11824 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11825 rtl for addx not subx.
11826 (define_insn movdi_const64_special): Make available even when
11827 HOST_BITS_PER_WIDE_INT is not 64.
11828 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11829 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11830 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11831 instances of operand 1 inside a QI subreg.
11832 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11833 (one_cmpldi2_sp64): Fix output string.
11834 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11836 (unnamed arch64 ashift DI): Truncate shift count if greater than
11839 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11841 * expr.c (store_expr): Don't optimize away load-store pair
11842 when either source or destination have a side effect.
11844 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11846 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11847 operands of SET are incompatible.
11849 * alpha.md: Fix max and min patterns so modes of SET operands match.
11851 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11853 * configure.in: Avoid [[ by using test and changequote.
11854 * configure: Rebuild.
11856 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11858 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11860 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11861 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11862 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11863 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11864 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11865 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11866 Fix mismatching modes in SET operands.
11867 (conditional move patterns): Fix formatting.
11868 (unnamed subx arch64 pattern): Remove duplicate insn.
11870 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11872 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11873 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11874 (input_operand): Fixup test for what we accept for constant
11876 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11878 (safe_constDI): Remove.
11879 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11880 gen_safe_XOR64): New functions.
11881 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11882 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11884 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11885 available when HOST_BITS_PER_WIDE_INT is not 64.
11886 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
11887 move before movdi_insn_sp64 pattern.
11888 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
11889 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
11890 symbolic_operand as predicate for second operand.
11891 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
11892 expander): Give set VOIDmode.
11894 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
11896 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
11898 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
11900 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
11902 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
11904 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
11906 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
11908 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
11910 * install.texi: Various SCO OpenServer tweaks.
11912 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
11914 * reload1.c (eliminate_regs_in_insn): Handle another case when
11915 eliminating the frame pointer to the hard frame pointer. Add
11916 missing ep->to_rtx check to one existing case.
11918 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
11920 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
11922 * tree.h: De-conditionalize init_priority code.
11924 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
11925 * collect2.c (NM_FLAGS): Change from -p to -n.
11927 * configure.in: Turn on collect2 for mipstx39-elf.
11928 Handle use_collect2=no properly.
11930 * c-common.c: De-conditionalize init_priority code.
11931 * collect2.c (extract_init_priority, sort_ids): New fns.
11932 (main): Call sort_ids.
11933 Move sequence_number to file scope.
11935 * configure.in: Handle --enable-init-priority.
11936 * c-common.c (attrs): Add A_INIT_PRIORITY.
11937 (init_attributes, decl_attributes): Likewise.
11938 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
11939 * tree.c (get_file_function_name_long): Split out...
11940 (get_file_function_name): ...from here.
11942 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
11944 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
11947 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
11949 * toplev.c (display_help): Add braces to shut up warnings.
11950 * tree.c (simple_cst_equal): Likewise.
11952 * fold-const.c (non_lvalue): Don't deal with null pointer
11954 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11956 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
11957 of any size to a pointer.
11959 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
11961 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
11963 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
11965 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
11966 which will be saved.
11967 * mn10300.md (prologue insn): Only save registers which need saving.
11968 (epilogue insn): Similarly.
11970 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11973 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11975 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11976 VAR_DECL's in gp addressable sections.
11978 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11980 * sparc.c: Change return <exp> to <exp>; return; in functions
11982 * sparc.md: Add empty semicolon statement after final label in
11985 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11987 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11988 addx_extend_sp64, only allow when TARGET_ARCH64.
11989 (define_insn addx_extend_sp32 and split): Version that works when
11991 (define_insn subx_extend): Likewise.
11992 (define_split adddi3 and subdi3 with zero extension): Fixup and
11993 correct bugs when not TARGET_ARCH64.
11995 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11997 * except.c (set_exception_lang_code, set_exception_version_code):
11998 Use prototype-style definition if __STDC__, to match declaration
12001 * genemit.c: Change FAIL and DONE macros not to use loops.
12003 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
12005 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
12006 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
12008 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
12010 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
12012 * README.g77: Update from Craig.
12014 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12016 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
12017 type HOST_WIDE_INT.
12018 (safe_constDI sparc_emit_set_const64_quick1,
12019 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12020 analyze_64bit_constant, const64_is_2insns,
12021 create_simple_focus_bits): Fix some bugs when compiled on real
12023 (function_arg_record_value_3, function_arg_record_value_2,
12024 function_arg_record_value): Add fully prototyped forward decls.
12025 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
12026 to cmpsi_insn and use on both 64 and 32 bit targets.
12027 (define_insn cmpsi_insn_sp64): Remove.
12028 (define_expand zero_extendsidi2): Allow for 32-bit target too.
12029 (define_insn zero_extendsidi2_insn): Rename to
12030 zero_extendsidi2_insn_sp64.
12031 (define_insn zero_extendsidi2_insn_sp32): New pattern and
12032 assosciated forced split for it.
12034 * config/sparc/sparc.c (const64_operand, const64_high_operand):
12036 * config/sparc/sparc.h: Declare them.
12037 (PREDICATE_CODES): Add them.
12038 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
12039 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
12041 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12043 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12044 in v9 case as the latter makes the Solaris assembler crash.
12046 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12048 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12049 for TFmode when !v9. We require offsettable memory addresses.
12050 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12051 DFmode register number conversions.
12052 * config/sparc/sparc.md (define_split DFmode moves): If register
12053 is a SUBREG do alter_subreg on it before using.
12054 (define_expand movtf): Fixup comment about alignment on v9.
12055 (define_split TFmode moves): Don't use gen_{high,low}part, create
12056 explicit SUBREGs instead.
12058 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12060 * Makefile.in (mbchar.o): Depend on mbchar.c.
12062 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12063 Richard Henderson <rth@cygnus.com>
12065 Rewrite Sparc backend for better code generation and
12066 improved sparc64 support.
12067 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12069 * config/sparc/sysv4.h: Likewise.
12070 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12071 move_operand, v8plus_regcmp_op, emit_move_sequence,
12072 singlemove_string, doublemove_string, mem_aligned_8,
12073 output_move_double, output_move_quad, output_fp_move_double,
12074 move_quad_direction, output_fp_move_quad, output_scc_insn):
12076 (small_int_or_double): New predicate.
12077 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12078 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12079 old pic_{sethi,lo_sum}_si patterns.
12080 (mem_min_alignment): New generic function to replace
12081 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12082 available and can test for arbitrary alignments. All callers
12084 (save_regs, restore_regs, build_big_number,
12085 output_function_prologue, output_cbranch, output_return,
12086 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12087 sparc_flat_output_function_epilogue): Prettify
12089 (output_function_epilogue): Likewise and add code to output
12090 deferred case vectors.
12091 (output_v9branch): Likewise, add new arg INSN and use it to tack
12092 on branch prediction settings. All callers changed.
12093 (print_operand): Likewise and output %l44 for LO_SUMs when
12095 (sparc_splitdi_legitimate): New function to make sure DImode
12096 splits can be run properly when !arch64.
12097 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12098 Reformat example code in comments.
12099 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12100 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12101 of deferred case vectors we need to output.
12102 (sparc_defer_case_vector): Record a case vector.
12103 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12104 sparc_output_deferred_case_vectors): New functions to output them.
12105 (sparc_emit_set_const32): New function to form 32-bit constants in
12106 registers when that requires more than one instruction.
12107 (safe_constDI, sparc_emit_set_const64_quick1,
12108 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12109 analyze_64bit_constant, const64_is_2insns,
12110 create_simple_focus_bits, sparc_emit_set_const64): New functions
12111 which do the same for 64-bit constants when arch64.
12112 (sparc_emit_set_symbolic_const64): New function to emit address
12113 loading for all code models on v9.
12114 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12115 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12116 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12117 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12118 inaccuracies in comments, add symbolic and text_segment operands
12119 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12120 GENERAL_REGS in these cases as a temp REG is needed to load these
12121 addresses into a register properly.
12122 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12124 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12125 quads are guarenteed to have 16-byte alignment.
12126 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12127 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12128 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12129 deferred case vector implementation.
12130 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12131 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12132 Generate "internal label - label" instead of "label - 1b".
12133 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12134 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12135 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12137 (doublemove_string, output_block_move, output_fp_move_double,
12138 output_fp_move_quad, output_move_double, output_move_quad,
12139 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12140 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12141 (sparc_emit_set_const32, sparc_emit_set_const64,
12142 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12143 mem_min_alignment, small_int_or_double): Add externs.
12144 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12145 UNSPEC_VOLATILE in this backend.
12146 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12147 unary to types which execute in it.
12148 (define_function_unit ieu_shift): Rename to ieu0.
12149 (define_function_unit ieu1): New, executes compare, call, and
12150 uncond_branch type insns.
12151 (define_function_units for type fdivs, fdivd, fsqrt): These
12152 execute in the fpu multiply unit not the adder on UltraSparc.
12153 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12154 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12155 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12156 allows the arith_double_operand predicate and rHI constraint when
12158 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12159 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12160 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12161 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12162 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12163 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12164 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12165 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12166 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12167 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12168 sign_extendqihi2_insn, sign_extendqisi2_insn,
12169 sign_extendqidi2_insn, sign_extendhidi2_insn,
12170 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12171 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12172 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12173 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12174 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12175 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12176 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12177 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12178 smulsi3_highpart_v8plus, unnamed subreg mult,
12179 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12180 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12181 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12182 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12183 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12184 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12185 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12186 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12187 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12188 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12189 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12190 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12191 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12192 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12193 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12194 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12195 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12196 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12197 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12198 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12199 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12200 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12201 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12202 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12203 call_address_untyped_struct_value_sp32,
12204 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12205 call_value_symbolic_sp32, call_value_address_sp64,
12206 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12207 flush_register_windows, goto_handler_and_restore,
12208 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12209 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12210 return_addsi, return_di, return_adddi, return_sf, all call+jump
12211 peepholes, trap, unnamed trap insns): Prettify output strings.
12212 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12213 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12214 Likewise and force + implement splits for integer cases.
12215 (define_insn return_sf_no_fpu): Likewise and allow to match when
12216 no-fpu because of our subreg SFmode splits.
12217 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12218 zero_extendqidi2_insn, zero_extendhidi2_insn,
12219 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12220 input_operand for second operand.
12221 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12222 reg_or_0_operand for operand 2 so new splits can use it.
12223 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12224 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12226 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12227 CONST_DOUBLEs for operand 2.
12228 (define_insn move_label_di): Likewise and label distance
12229 optimization because it no longer works with new deferred case
12230 vector scheme. To be revisited.
12231 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12232 and allow reg_or_0_operand and J constraint for second operand.
12233 (define_insn jump): Set branch predict taken on V9.
12234 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12235 new deferred case vector scheme.
12236 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12237 (define_insn negdi2_sp32): Force + implement splits.
12238 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12239 one_cmplsi2_not_liveg0 respectively, and create expander of original
12240 names which emit special rtl for TARGET_LIVE_G0.
12241 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12242 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12243 gen_compare_reg, FAIL instead.
12244 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12245 values when trying to reverse condition codes, if they FAIL then
12247 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12248 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12249 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12250 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12251 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12252 set output string to # to indicate they are mandatory splits.
12253 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12254 pic_sethi_di, move_pic_label_si): Remove.
12255 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12256 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12258 (define_expand movsi_pic_label_ref, define_insn
12259 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12260 expander and insns to handle PIC label references and deferred
12262 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12264 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12265 Rewrite to not use emit_move_sequence, make use of new constant
12266 formation code, and new splits for all multi-insn cases.
12267 (define_insn movqi_insn): Remove sethi case, it can never happen.
12268 Use reg_or_zero_operand instead of const0_rtx explicit test,
12269 use input_operand instead of move_operand for source, and use
12270 general_operand now for dest.
12271 (define_insn movhi_insn): Similar but leave sethi case.
12272 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12273 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12274 movhi_lo_sum respectively, prettify output string.
12275 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12276 register when needed on TARGET_LIVE_G0.
12277 (define_insn movsi_insn): Use general_operand and input_operand
12278 for dest and src respectively. Simplify applicability test.
12279 Prettify output strings, and add clr alternative for J
12281 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12282 deprecated std and reg-reg DI moves): Remove and...
12283 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12284 implementation which uses forced splits for all non-single insn
12286 (define_split DI move cases on !arch64): New splits to handle all
12287 situations of 64-bit double register DImode on 32bit, and
12288 unaligned registers and memory addresses for all subtargets.
12289 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12291 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12292 input_operand for dest and src respectively, prettify output
12294 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12295 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12297 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12298 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12299 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12300 movtf_no_e_insn_sp64) Replace with new
12301 implementation which uses forced splits for all non-single insn
12303 (define_split DF move cases): New splits in similar vein to DI
12305 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12306 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12307 movdi_sp64_insn): Remove old v9 code model and constant loading
12308 support insns and..
12309 (define_insn pic_lo_sum_di, pic_sethi_di,
12310 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12311 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12312 embmedany_sethi, embmedany_losum, embmedany_brsum,
12313 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12314 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12315 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12316 scheme, using unspecs, secondary reloads, and one to one sparc
12317 insn to rtl insn mapping for better scheduling and code gen.
12318 (define_expand reload_indi, reload_outdi): Reload helpers for
12319 MEDANY and EMBMEDANY symbol address loading cases which require a
12320 temporary register.
12321 (define_expand movsicc): Remove v8plus_regcmp cases.
12322 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12323 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12324 cmp_diqi_trunc_set): New patterns used by some of the new scc
12326 (define_insn xordi3_sp64_dbl): New pattern used for constant
12327 formation when crossing from 32-bit targets.
12328 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12330 (define_insn addx, subx): Make visible and prettify.
12331 (define_insn adddi3_insn_sp32): Likewise and force split.
12332 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12333 64bit scc split usage.
12334 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12335 zero_extend, subdi3): Force and implement splits.
12337 * final.c (final_scan_insn): Don't output labels if target
12338 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12341 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12342 don't forget to walk inside SEQUENCESs too as these are what the
12343 delay slot scheduler will create.
12345 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12347 * alpha.md (extxl+1,+2): New patterns to work around
12350 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12352 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12353 caused bad assembly code to be generated.
12355 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12357 * netbsd.h: Fix typo.
12359 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12361 * config.sub: Fix typo.
12363 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12365 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12367 (Running Protoize): Typo: Change "ther" into "other".
12369 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12371 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12372 * m68k/netbsd.h: Likewise.
12373 * ns32k/netbsd.h: Likewise.
12374 * sparc/netbsd.h: Likewise.
12376 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12378 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12379 * ginclude/va-clipper.h (va_list): Likewise.
12381 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12383 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12384 load/store multiple instructions unless user overrides.
12386 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12388 * ns32k/netbsd.h: Fix typo.
12390 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12392 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12393 labels with .debugsym if no parallel insns.
12395 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12397 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12398 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12400 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12402 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12403 (AR_FOR_TARGET): Define.
12405 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12407 * dyn-string.h: New file.
12408 * dyn-string.c: Likewise.
12409 * Makefile.in (OBJS): Add dyn-string.o.
12410 (dwarf2out.o): Add dyn-string.h dependency.
12411 (dyn-string.o): List dependencies.
12412 * dwarf2out.c: Include dyn-string.h.
12413 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12414 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12415 prototype. Use dyn_string_append rather than strcat, throughout.
12416 (addr_to_string): Use dyn_string_t.
12418 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12420 Function entry/exit profiling instrumentation:
12421 * expr.h (profile_function_entry_libfunc,
12422 profile_function_exit_libfunc): Declare new variables.
12423 * optabs.c: Define them here.
12424 (init_optabs): Initialize them.
12425 * tree.h (struct tree_decl): New flag
12426 no_instrument_function_entry_exit.
12427 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12428 * c-decl.c (duplicate_decls): Merge it.
12429 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12430 (init_attributes): Use it for "no_instrument_function".
12431 (decl_attributes): Handle it, for functions that have not yet been
12432 compiled. Set decl flag.
12433 * flags.h (flag_instrument_function_entry_exit): Declare new
12435 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12436 (f_options): New option "instrument-functions".
12437 * function.h (struct function): New field instrument_entry_exit.
12438 * function.c (current_function_instrument_entry_exit): New
12440 (push_function_context_to, pop_function_context_from): Save and
12442 (expand_function_start): Set current_ variable, maybe emit return
12443 label and entry profile call.
12444 (expand_function_end): Maybe emit exit profile call.
12446 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12448 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12449 NON_QI_REG_P, pretend the register is SImode.
12451 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12453 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12454 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12455 manufacturer id for ns32k.
12456 * configure: Regenerated.
12457 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12458 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12459 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12460 * config/m68k/netbsd.h: Same.
12461 * config/ns32k/netbsd.h: Same.
12462 * config/sparc/netbsd.h: Same.
12464 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12466 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12467 or UNROLL_COMPLETELY loop that starts with a jump to its
12470 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12472 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12473 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12474 (print_operand, case 'B'): Don't fall through.
12475 (print_operand, case 'S'): Correct mask begin/end computation.
12476 Use HOST_BITS_PER_WIDE_INT.
12477 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12478 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12479 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12480 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12482 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12484 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12485 constraint from second alternative.
12487 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12489 * configure.in: Fix --without/--disable cases for local-prefix,
12490 gxx-include-dir and checking.
12492 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12494 * configure.in (enable_haifa): Set by default for sparc64 too.
12495 configure: Rebuilt.
12497 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12499 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12500 * i386/winnt.c (associated_type): New fn.
12501 (i386_pe_valid_type_attribute_p): New fn.
12502 (i386_pe_check_vtable_importexport): Remove.
12503 (i386_pe_dllexport_p): Use associated_type.
12504 (i386_pe_dllimport_p): Likewise.
12506 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12507 * i386.c (i386_valid_type_attribute_p): Also accept
12508 attributes for METHOD_TYPEs.
12510 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12512 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12514 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12516 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12518 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12519 them from generating a new base name for each occurence of
12522 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12524 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12526 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12530 * cplus-dem.c (type_kind_t): New type.
12531 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12532 on this paramter, rather than demangling the type again.
12533 (demangle_integral_value): Pass tk_integral.
12534 (demangle_template_: Pass the value returned from do_type.
12535 (do_type): Return a type_kind_t. Pass tk_integral to
12536 demangle_template_value_parm for array bounds.
12537 (demangle_fund_type): Likewise.
12539 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12541 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12544 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12546 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12548 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12550 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12552 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12555 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12557 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12558 (DEBUGGER_ARG_OFFSET): Likewise.
12560 * mn10300.md (movsf): Remove last change. Not needed.
12562 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12564 * c-lex.c (yylex): Fix boundary conditions in character literal and
12565 string literal loops.
12567 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12569 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12570 being invoked incorrectly.
12572 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12573 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12575 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12576 * configure.in: Added i[34567]86-*-win32
12577 * config.sub: Ditto.
12578 * configure: Rebuilt.
12580 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12582 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12583 the frame pointer and compiling PIC code and reload has not completed.
12585 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12588 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12590 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12592 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12594 * Makefile.in (install-info): Only try to update the info
12595 directory file if it exists in the first place.
12597 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12599 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12601 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12603 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12604 CONST_DOUBLE source.
12606 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12608 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12609 strings as the insertion of USER_LABEL_PREFIX.
12610 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12612 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12615 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12617 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12618 already defined type.
12620 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12622 * expr.c (check_max_integer_computation_mode): Allow conversions
12623 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12624 (expand_expr): Likewise.
12626 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12628 * expr.c (expand_expr): Expand RETURN_EXPR.
12630 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12632 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12634 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12636 * dwarf2out.c (output_aranges): Call stripattributes
12637 for TEXT_SECTION references.
12638 (output_line_info): Likewise.
12640 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12642 * profile.c (branch_prob): Call allocate_reg_info after outputting
12643 profile rtl in instrument_arcs.
12645 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12647 * fixinc.irix (math.h): Install wrapper instead of copying.
12649 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12651 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12652 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12653 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12654 lang_flag_0. Added documentation in the flag table.
12656 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12658 * cccp.c (do_include): Fix vax c style include handling.
12660 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12662 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12664 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12666 * fold-const.c (non_lvalue): Don't deal with null pointer
12668 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12670 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
12672 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12673 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12674 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12675 (u_short_cint_operand): Same.
12676 (reg_or_cint_operand): Same.
12677 (logical_operand): Same.
12678 (input_operand): Same.
12679 (reg_or_short_operand): Use u_short_cint_operand.
12681 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12683 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12684 but keep the insns and splits. Adjust so when the ultimate destination
12685 is memory, use cvtql.
12687 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12689 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12691 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12693 * gcc.c (do_spec): Call "error" not "warning".
12695 * configure.in: Fix minor problems with gas feature detection code.
12696 * configure: Rebuilt.
12698 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12700 * Undo this change.
12701 * gcc.c: Delete %[spec] support.
12702 (do_spec_1, case '('): Likewise.
12703 (do_spec_1, case '['): Call error.
12705 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12707 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12708 (CPP_SUBTARGET_SPEC): Default to empty string.
12709 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12710 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12711 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12712 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12714 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12715 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12716 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12717 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12718 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12719 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12720 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12721 * alpha/vxworks.h: Likewise.
12723 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12725 * mips.md (reload_outsi): Added missing REGNO call.
12726 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12728 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12729 another match_operator and compare the codes.
12731 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12733 * MIPS multiply pattern fixes:
12734 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12735 Add union classes for HI, LO, or HILO plus general registers.
12736 (GENERATE_MADD): Deleted.
12737 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12738 Add TARGET_MAD to condition.
12739 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12740 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12741 "*d" for accumulator, to give preference to LO initially but not
12744 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12746 * configure.in (enable_c_mbchar): New configure option.
12747 (extra_cpp_objs): Always available now.
12749 * cexp.y (mbchar.h): #include it.
12750 (yylex): Handle Multibyte characters in character literals.
12752 * cccp.c (mbchar.h): #include it.
12753 (main): Set character set based on LANG environment variable.
12754 (rescan): Handle multibyte characters in comments.
12755 (skip_if_group): See above.
12756 (validate_else): See above.
12757 (skip_to_end_of_comment): See above.
12758 (macarg1): See above.
12759 (discard_comments): See above.
12760 (rescan): Handle multibyte characters in string and character literals.
12761 (collect_expansion): See above.
12762 (skip_quoted_string): See above.
12763 (macroexpand): See above.
12764 (macarg1): See above.
12765 (discard_comments): See above.
12766 (change_newlines): See above.
12768 * c-lex.c (mbchar.h): #include it.
12769 (GET_ENVIRONMENT): New macro.
12770 (init_lex): Set character set based on LANG environment variable.
12771 (yylex): Handle multibyte characters in character literals.
12772 (yylex): Handle multibyte characters in string literals.
12774 * Makefile.in (mbchar.o): New target.
12775 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12776 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12778 * mbchar.[ch]: New files for multibyte character handling.
12780 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12782 * jump.c (jump_optimize): When simplifying noop moves and
12783 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12784 the PUSHes to rewrite in second loop as we did in the first.
12786 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12788 * cplus-dem.c (demangle_nested_args): Make function definition
12789 static to match the prototype.
12791 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12793 * alloca.c: Respect USE_C_ALLOCA.
12794 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12795 * gengenrtl.c (xmalloc): Likewise.
12797 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12799 * loop.h (struct induction): Add no_const_addval.
12800 * loop.c (the_movables, reg_address_cost): New variables.
12801 (init_loop): Init reg_address_cost.
12802 (loop_optimize): Call end_alias_analysis.
12803 (scan_loop): Init the_movables.
12804 (record_giv): Init induction->no_const_addval.
12805 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12806 [REG]: Rearrange loop search test to catch more cases.
12807 (general_induction_var): Return success not benefit; take an extra
12808 argument for that. Change all callers.
12809 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12810 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12811 [default]: Search the_movables for additional combinations.
12812 (sge_plus_constant, sge_plus): New functions.
12813 (express_from_1): New function.
12814 (express_from): Always define. Rewrite using express_from_1.
12815 (combine_givs_p): Handle more cases. Ignore address cost.
12816 (cmp_combine_givs_stats): New function.
12817 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12818 (combine_givs): Rewrite to do best-fit combination.
12820 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12821 (fold): Do a complete (A*C)+(B*C) association check.
12823 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12825 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12827 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12829 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12831 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12833 * tree.c (valid_machine_attribute): Only create a new type variant if
12834 there is a decl to use it.
12836 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12838 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12841 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12843 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12846 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12848 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12849 Simplify tests for clearing an address register.
12850 (expand_prologue): Corresponding changes.
12852 * mn10300.md (movXX patterns): Make sure the destination is an
12853 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12854 (logical patterns): Split into expanders + patterns
12855 (zero and sign extension patterns): Similarly.
12856 (shift patterns): Similarly.
12858 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12860 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12861 for the sequence, recording base values.
12863 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12865 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12867 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12869 * gcc.c: Remove ANSI-C ism from --help code.
12871 * toplev.c: Support --help with USE_CPPLIB.
12873 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12875 * configure.in: Rework gas feature code to work with symlink based
12878 * extend.texi: Clarify some issues related to local variables
12879 assigned to explicit registers.
12881 * mn10300.md (mulsi): Turn into expander + pattern.
12883 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
12886 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
12888 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
12890 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
12892 * version.c: Bump again to distinguish mainline tree from the
12895 See ChangeLog.0 for earlier changes.
12898 add-log-time-format: current-time-string