1 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
3 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
5 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * c-lex.c: Don't include setjmp.h.
8 (parse_float): New static function.
10 (yylex): Use them in call to `do_float_handler'.
12 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14 * cexp.y (yyerror): Call verror to get a usefull error message.
17 * .gdbinit: Move command to put breakpoint at abort to end of file
18 so that gdb does not bail out early.
20 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
22 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
24 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
28 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
30 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
31 Delete emit_library_call_value declaration.
33 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
35 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
36 (which cannot otherwise appear in the processed buffer) and
37 move it out of tokens that it appears in the middle of.
39 (find_position): New function.
41 * cpplib.c: \r (one character) indicates backslash
42 newline, not \\\n (two characters). It cannot appear in the
43 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
44 parsing moves past \n or \r. Increment pfile->lineno whenever
45 a \n is placed into token_buffer. Only one mark can exist at
46 a time, and CPP_BUMP_LINE must not be used while it is
47 active. It is automatically cleared by cpp_pop_buffer and
48 parse_goto_mark. \r is not in is_hor_space or is_space.
50 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
51 update_position, count_newlines, parse_move_mark): Removed.
52 (parse_string, copy_comment): New functions.
53 (parse_name): Returns void.
54 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
55 one argument, a cpp_reader *. Change for new marking scheme.
56 (skip_comment): Handle CHILL line comments too. Second
57 argument is now first character of comment marker; all callers
58 changed. Issue error for unterminated block comment here.
59 (cpp_skip_hspace): Recognize CHILL comments.
60 (copy_rest_of_line): Likewise. Call skip_comment and
61 parse_string directly, don't go through cpp_get_token. Emit
62 "/**/" for block comments if -traditional (create_definition
64 (do_define): Don't play with put_out_comments.
65 (cpp_push_buffer): Initialize ->mark to -1.
66 (cpp_buf_line_and_col): Just read out the values in the buffer
68 (output_line_command): Use cpp_buf_line_and_col. Fix
69 formatting. Remove stale code.
70 (cpp_get_token): Break out string parsing code to
71 parse_string. Use skip_comment for CHILL comments too. Use
72 copy_comment for put_out_comments instead of dinking with
73 marks. Remove stale code. Don't call output_line_command
74 unless it's necessary.
76 * cpplib.h (parse_marker): Removed.
77 (struct cpp_buffer): line_base is now a unsigned char *; add
78 `mark' [long], remove `marks' [struct parse_marker *].
79 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
81 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
82 * cppinit.c (is_hor_space, is_space): '\r' is not considered
84 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
86 * cpphash.c (macarg): Disable line commands while expanding.
88 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
90 * c-lex.c (yylex) : Remove warning for integer literals being
91 larger than the largest target int. Add warning for integer
92 literal being larger than than its choosen type.
94 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
96 * invoke.texi: Add -mlong32 documentation.
97 * config/mips/mips.h (mips_explicit_type_size_string): New.
98 (TARGET_SWITCHES): Add 'long32'.
99 (TARGET_OPTIONS): Add 'explicit-type-size'.
100 (CC1_SPECS): Set -mexplicit-type-size.
101 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
102 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
103 * config/mips/mips.c (mips_explicit_type_size_string): New.
104 (override_options): Use it.
105 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
107 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
108 Pointer size now depends on both size longs and size of GP
111 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
113 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
114 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
115 * config/mips/mips.c (override_options): Allow -mlong64 and
116 -mint64 with -mips2 or less.
117 * config/mips/mips.h (MASK_LONG64): Fix comment.
118 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
119 (Pmode): Make Pmode the smaller of longs or gp registers.
120 * invoke.texi: Note the new size for pointers.
122 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
124 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
125 bit-pattern directly.
126 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
127 * rs6000.c (first_reg_to_save): If profiling and context needed,
128 allocate a reg to save static chain for all ABIs. For AIX
129 profiling, calculate parameter registers to save based on need.
130 (output_function_profiler): Save and restore static chain around
131 profile call for all ABIs.
133 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
135 * cppinit.c: Instead of one pending list, keep separate lists
136 for each category of pending option: -D/-U, -A, -include,
137 -imacros. Move the four partial include-path lists into the
138 pending block. Use head and tail pointers so we don't ever
139 have to reverse the lists.
141 (cpp_start_read): Break out blocks of code to their own
142 functions: install_predefs and initialize_dependency_output.
143 Use path_include for C_INCLUDE_PATH and friends as well as
144 CPATH. Remove include_defaults gunk. Warn about the
145 combination of -lang-chill and -trigraphs. Optimize string
146 bashing. Walk each pending list once, deallocating as we go.
148 (append_include_chain): Brought over from cppfiles.c. Mark
149 dirs as system include dirs if and only if appending to
150 system include path. If opts->verbose, print a notice when a
151 dir is dropped from the include path because it doesn't
152 exist. Fix memory leak: this function is not supposed to copy
155 (nreverse_pending, push_pending): Removed.
156 (APPEND): New macro for adding to pending lists.
157 (path_include): Can now add to any partial include path.
158 (base_name): Bring over from cccp.c.
159 (cpp_options_init): Allocate the pending block.
160 (cpp_handle_option): Add --version. Exit after --help. Fix
161 formatting. Order -ifoo options by frequency of usage.
162 (install_predefs): New function, simplified version of code
163 that was in cpp_start_read.
164 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
166 * cppfiles.c (simplify_pathname): Export.
167 (merge_include_chains): Don't nreverse the lists. If
168 opts->verbose, print a notice when a duplicate dir is detected
169 and dropped from the include path.
170 (finclude): Fix excessive cleverness in setting
172 (actual_directory): Set x->sysp from
173 CPP_BUFFER (pfile)->system_header_p so that one system header
174 may include another with "".
175 (deps_output): Fix double adjustment of deps_size which would
176 cause all dependencies after the first two lines to be lost.
178 * cpplib.c (cpp_unassert): New function.
179 * cpplib.h: Lay out struct cpp_pending here. Adjust
180 prototypes. Add include_prefix_len to struct cpp_options.
182 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
184 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
185 from HI/LO/HILO/MD into general registers the same as for one
186 of moving general registers to HI/LO/HILO/MD.
188 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
190 * config/m32r/m32r.c (init_idents): New function. Initialise
191 static tree nodes for m32r specific attribute identifiers. Remove
192 leading and trailing double underscores from the attribute names.
193 (m32r_valid_machine_decl_attribute): Call init_idents.
194 (m32r_encode_section_info): Call init_idents.
196 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
198 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
199 LABEL_REF for something else.
201 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * fold-const.c (exact_real_inverse): Move variable `float_error'
204 into the scope where it is used.
205 (const_binop_1): New static function.
206 (cb_args): New struct.
207 (const_binop): Use them in call to `do_float_handler'.
208 (fold_convert_1): New static function.
209 (fc_args): New struct.
210 (fold_convert): Use them in call to `do_float_handler'.
212 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
214 * rtlanal.c (auto_inc_p): New function.
215 * rtl.h (auto_inc_p): Prototype it.
216 * reload1.c (add_auto_inc_notes): New function.
217 (reload): Strip REG_INC notes and call add_auto_inc_notes
218 for each insn to restore them correctly.
220 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
222 * fixinc/Makefile.in (procopen.o): List the actual
225 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
227 * cse.c (check_fold_consts): New static function.
228 (cfc_args): New struct.
229 (simplify_relational_operation): Use them in call to
232 * toplev.c (do_float_handler): New function to wrap calls to
233 setjmp/set_float_handler.
235 * toplev.h (do_float_handler): Add extern prototype.
237 * tree.c (build_real_from_int_cst_1): New static function.
238 (brfic_args): New struct.
239 (build_real_from_int_cst): Use them in call to
242 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
244 * version.c: Bump for snapshot.
246 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
248 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
250 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
252 * arm.c (arm_split_constant): Don't try to force a constant to
253 memory after arm_reorg has run.
254 (after_arm_reorg): New static variable.
256 (output_func_epilogue): Clear it.
258 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
260 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
261 * configure: Rebuilt.
263 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
265 * unroll.c (loop_iterations): Don't return a final value for EQ
268 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
270 * reload1.c (calculate_needs_all_insns): When ignore equivalence
271 setting insn, clear need_elim, need_reload, and need_operand_change.
273 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
275 * fixinc/fixinc.*: Some changes from the fixincl-branch
276 were not applied (??!!). Corrected.
278 * fixinc/Makefile.in: same thing.
280 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
282 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
283 MAX_INTEGER_COMPUTATION_MODE.
285 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
287 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
288 (MODES_TIEABLE_P): Update.
290 * alpha.md (ev5_e0): Conflict loads and stores.
292 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
294 * machmode.h (smallest_mode_for_size): Prototype.
295 * stor-layout.c (smallest_mode_for_size): Remove static.
297 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
299 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
300 conversion if we don't know the lifetime.
302 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
304 * reload.1c (delete_address_reloads_1): Check for reloads of
305 CURRENT_INSN even if it sets DST.
307 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
309 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
310 (print_die, size_of_die, value_format, output_die): Adjust.
312 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
314 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
315 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
316 text_section_laabel, debug_line_section_label,
317 debug_info_section_label, abbrev_section_label): New.
318 (output_compilation_unit_header): Emit label associated
319 with section instead of section name itself.
320 (out_pubnames, output_aranges, output_line_info,
321 dwarf2out_finish): Likewise.
322 (dwarf2out_init): Build internal label names for sections
325 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
327 * sh.md (mulsi3): End mul.l sequence with a no-op move.
329 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
331 * Makefile.in: activated fixinc/mkfixinc.sh
332 * configure.in: activated fixinc/mkfixinc.sh
334 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
336 * cppfiles.c (INO_T_EQ): Handle UWIN.
338 * c-common.c (decl_attributes): Flag unrecognized attribute
339 functions as warnings instead of as errors.
341 Support for i386-pc-uwin.
342 * i386/uwin.h: New file.
343 * i386/xm-uwin.h: New file.
344 * i386/t-uwin: New file.
345 * i386/uwin.asm: New file.
346 * configure.in (i[3456]86-*-uwin*): Define.
347 Add Workaround for vfork bug when hosted on uwin.
348 * configure: Regenerate.
350 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
351 (absolute_filename): UWIN uses POSIX pathnames only.
352 * libgcc2.c (getpagesize): Do not define for UWIN.
353 (mprotect): Likewise.
354 * protoize.c (dirent.h): Conditionally include.
355 (fputc): Prototype only if it's not a macro.
357 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
359 * configure.in: Remove init_priority stuff.
361 1999-03-11 Colin Smith <colin@wrs.com>
363 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
365 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
367 * gcc.texi: Update bug reporting instructions to match
368 current ezmlm list reality.
370 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * gcc.c (print_file_name, print_prog_name, spec_machine,
373 read_specs, set_spec, lookup_compiler, build_search_list,
374 putenv_from_prefixes, find_a_file, record_temp_file,
375 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
376 is_directory, validate_switches, used_arg, default_arg,
377 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
378 notice, add_preprocessor_option, add_assembler_option,
379 add_linker_option, process_command, execute,
380 unused_prefix_warnings, clear_args, fatal_error,
381 lang_specific_driver, user_specs, compiler, link_command_spec,
382 option_map, translate_options, make_temp_file, temp_name,
383 programname, path_prefix, machine_suffix, just_machine_suffix,
384 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
385 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
386 standard_startfile_prefix, standard_startfile_prefix_1,
387 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
388 multilib_dir, temp_filename, temp_file, command, switchstr,
389 infile, outfiles, input_filename, input_basename, input_suffix,
390 check_live_switch, main): Qualify a char* with the `const' keyword.
392 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
395 * Makefile.in (OBJS): Add lcm.o
396 (lcm.o): Add dependencies.
398 * gcse.c (compute_pre_local_properties): Delete.
399 (compute_pre_data): Use compute_local_properties instead of
400 compute_pre_local_properties.
402 * gcse.c: More comments, whitespace and similar fixes.
403 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
404 (dump_pre_data, compute_cprop_local_properties): Likewise.
405 (one_classic_gcse_pass): Lose unused argument. All callers changed.
406 (compute_hash_table, compute_expr_hash_table): Likewise.
407 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
408 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
409 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
410 Lose unused argument.
411 (gcse_main): Always run a cprop pass after finishing global cse.
412 (compute_local_properties): New function.
413 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
414 (compute_cprop_data): Use compute_local_properties.
416 * gcse.c: Update various comments.
417 (current_function_calls_longjmp): Delete declaration.
419 * gcse.c (run_jump_opt_after_gcse): New variable.
420 (gcse_main): Returns an integer.
421 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
422 (try_replace_reg): Update some comments.
423 (cprop_insn): Allow propagation into some JUMP_INSNs too.
424 * rtl.h (gcse_main): Update prototype.
425 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
426 then run a jump optimization pass.
427 * jump.c (delete_barrier_successors): Delete nop jumps too.
429 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
431 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
432 for FP arithmetic. Changed caller.
433 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
435 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
437 * reload1.c (choose_reload_regs): When inheriting from the frame
438 pointer, don't clobber it.
440 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
442 * fixinc/fixinc.*: Resync-ed with the files in this
445 * fixinc/mkfixinc.sh: the machine case elements were
446 out-of-order. (the ix86-*-linux-gnu* entry needed to
449 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
451 * reload1.c (reload_combine_note_store): Fix calculation of number
452 of affected registers.
454 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
456 * flow.c (tidy_fallthru_edge): Be more careful finding the last
457 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
459 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
461 * i386.md (ashlsi3 splitter): Fix typo in last change.
463 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
465 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
466 instead of an explicit test for RETURN.
468 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
472 * toplev.c: Include basic-block.h.
474 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
476 * calls.c (load_register_parameters): New function.
477 (expand_call): Use it.
479 * calls.c (expand_call): Slightly reorganize code.
481 * calls.c (compute_argument_addresses): New function.
482 (rtx_for_function_call): New function.
483 (expand_call): Use them.
485 * i386.md (zero_extendhisi2): Split into an expander and anonymous
486 pattern. Add new anonymous pattern for use when optimizing for
487 size or for the PPro.
488 (zero_extendqihi2, zero_extendqisi2): Likewise.
490 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
492 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
493 dependancies to sets in the non-hard-reg case too.
495 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
497 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
499 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
501 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
502 for which CLASS_LIKELY_SPILLED_P is true.
504 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
505 have a REG or SUBREG.
507 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
509 * i386.md (ashlsi3): Revise comments. Provide new anonymous
510 pattern for Pentium and PPro/PII. Reverse constraints in
511 generic ashlsi3 anonymous pattern.
513 * calls.c (initialize_argument_info): Accept a pointer to
515 (expand_call): Pass the address of CUMULATIVE_ARGS.
517 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
519 * mn10300.h (CASE_DROPS_THROUGH): Delete.
520 * mn10200.h (CASE_DROPS_THROUGH): Delete.
521 * h8300.h (CASE_DROPS_THROUGH): Delete.
523 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
524 to also delete the cc0 setter when deleting a conditional branch
527 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
529 * regmove.c (copy_src_to_dest): New argument max_old_uid.
531 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
533 * ChangeLog: merged entries from fixincl-branch
535 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
537 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
538 (print_exp): Special case addition of a constant.
539 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
541 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
543 * haifa-sched.c (reg_last_clobbers): New.
544 (reg_pending_clobbers, bb_reg_last_clobbers): New.
545 (compute_block_backward_dependences): Allocate memory for them.
546 (schedule_region): Likewise.
547 (sched_analyze_1): Clobbers don't interfere with one another.
548 They do interfere with sets ...
549 (sched_analyze_2): ... and uses.
550 (sched_analyze): Likewise.
551 (sched_analyze_insn): Update reg_last_clobbers appropriately.
553 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
555 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
556 include system header files.
558 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
559 (_mcleanup): Add the `const' keyword to a char*.
560 (internal_mcount): Declare `etext' as a char[] not a function.
561 Cast `etext' to char* when calling `monstartup'.
563 * sparc.c (frame_base_name, save_regs, restore_regs,
564 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
565 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
566 cpu_default, cpu_table, output_function_prologue,
567 output_function_epilogue, output_return,
568 sparc_flat_output_function_prologue, ultra_code_names,
569 sparc_flat_output_function_epilogue): Constify a char*.
570 (hypersparc_adjust_cost): Add a default case in a switch.
572 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
573 sparc_cpu_select, sparc_align_loops_string,
574 sparc_align_jumps_string, sparc_align_funcs_string,
575 output_return): Constify a char*.
577 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
578 so that we check "== 32", instead of "!= 64". Cast a value to
579 HOST_WIDE_INT when comparing against one. Hide the declaration
580 for variable `chain'.
582 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
584 * system.h (const, inline): Move the stage2 handling of these
585 keywords-as-macros from here...
587 * gansidecl.h (const, inline): ...to here.
589 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
591 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
593 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
595 * cse.c (canon_hash): Never reject hard regs in CCmode.
597 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
599 * version.c: Bump for snapshot.
601 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
602 Richard Henderson <rth@cygnus.com>
604 * flow.c (make_edges): Handle casesi that jump to default branch.
605 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
607 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
609 * c-aux-info.c (data_type, affix_data_type, gen_decl,
610 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
611 Qualify a char* with the `const' keyword.
613 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
614 declare_function_name, decl_attributes, format_char_info,
615 check_format_info, binary_op_error): Likewise.
617 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
619 * gcse.c (dump_hash_table): Likewise.
621 * integrate.c (function_cannot_inline_p): Likewise
623 * optabs.c: Include insn-config.h earlier.
624 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
625 Qualify a char* with the `const' keyword.
627 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
628 asctoeg, mtherr, ereal_atof): Likewise.
630 * real.h (ereal_atof): Likewise.
632 * sbitmap.c (dump_sbitmap_vector): Likewise.
634 * sbitmap.h (dump_sbitmap_vector): Likewise.
636 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
638 * toplev.c (rest_of_compilation): Likewise.
640 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
642 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
644 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
645 not overwrite AIX link register save area.
647 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
649 * reload.c (find_reloads_subreg_address): Actually create the USE
650 for the register, not the new memory location.
652 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
654 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
655 with its equivalent constant, fall back to reload_in.
657 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
659 * Makefile.in: Delete .flow2 debugging files.
661 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
663 * config/arm/arm.c (arm_override_options): Change default target
664 cpu selection so that enabling TARGET_APCS_32 does not override
667 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
669 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
670 (BOOL_TYPE_SIZE): Define.
672 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
674 * function.c (assign_stack_temp_for_type): Abort
675 if mode == Blkmode and align is less than
676 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
677 (assign_stack_temp_for_type): Round the size parameter
678 passed to assign_stack_local instead of size itself.
680 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
682 * flow.c (delete_unreachable_blocks): Mark blocks as they
683 are put on to the worklist, not as they are taken off.
685 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
687 * function.c (current_function_has_computed_jump): Remove duplicate
690 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
692 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
693 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
695 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
696 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
697 (INIT_SUBTARGET_OPTABS): Define to empty.
699 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
701 * sh.c (force_into): New function.
702 (expand_block_move): Use it.
704 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
706 * cccp.c (struct default_include): Add 'included' field.
707 (main): Set 'included' field when a default include directory
708 is added to the chain. If -v is specified list all default
709 include directories which do not get appended to the chain.
711 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
713 * configure.in (gxx_include_dir): Rename to
714 gcc_gxx_include_dir in order to prevent it being overridden by
715 a top level Makefile.
716 (gcc_tooldir): If $exec_prefix != $prefix then use the
717 difference between the two as the basis for gcc_tooldir.
719 * configure: Rebuild.
721 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
723 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
725 * unroll.c (copy_loop_body): Don't make extra copies of
726 NOTE_INSN_LOOP_CONT notes.
728 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
730 * tree.c (save_tree_status): Don't treat functions with no context
733 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
735 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
738 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
740 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
741 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
742 current_function_file): Add the `const' keyword.
743 (normal_memory_operand): Mark parameter `mode' with
745 (alpha_expand_unaligned_load): Add a default case to a switch.
747 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
748 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
749 (normal_memory_operand): Add prototype.
751 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
752 comparing against one.
754 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
756 * mips.c (abort_with_insn): Make function static, add a prototype,
757 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
758 (current_function_file, mips_cpu_string, mips_isa_string,
759 mips_abi_string, mips_no_mips16_string, mips_entry_string,
760 mips_move_1word, mips_move_2words, output_block_move, load_store,
761 override_options, make_temp_file, mips16_fp_args): Qualify a char*
762 with the `const' keyword.
764 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
765 mips_abi_string, mips_entry_string, mips_no_mips16_string,
766 mips_move_1word, mips_move_2words, output_block_move): Likewise.
767 (abort_with_insn): Remove extern prototype.
769 * mips.md: Qualify a char* with the `const' keyword.
770 Remove many unused variables named `label'.
772 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
774 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
776 (install-cpp, uninstall-cpp): New targets.
777 (install-normal): Depend on $(INSTALL_CPP).
778 (uninstall): Depend on $(UNINSTALL_CPP).
779 * configure.in (cpp_install_dir): New, substitute.
780 (tmake_file): Added t-install-cpp for --enable-cpp.
781 * configure: Rebuilt.
782 * cpp.sh: New cpp script.
783 * config/t-install-cpp: New target fragment.
785 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
786 Jeffrey A Law (law@cygnus.com)
788 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
790 (cse_insn): Avoid creating a bogus REG_EQUAL note for
791 (const (minus (label) (label)))
792 (record_jump_cond): Fix mismatched paren in comment.
794 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
796 * final.c (end_final): There are 11 words in the "main header"
799 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
801 * extend.texi: Reference __extension__ in the index.
803 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
805 * Makefile.in (CROSS_FLOAT_H): Delete.
806 (FLOAT_H): Use float_h_file.
807 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
809 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
810 (mostlyclean): Delete gloat.h reference.
811 (install-cross-rest, install-float-h-cross, stmp-headers): Update
813 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
814 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
815 (float_h_file): Set from float_format. Substitute into Makefile.in.
816 (float_format): No longer substitute into Makefile.in.
817 * cross-make (FLOAT_H): Delete.
818 * config/mips/t-cross64 (FLOAT_H): Delete.
819 * configure: Rebuilt.
821 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
823 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
824 insn to be an INSN before looking at its pattern.
826 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
828 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
829 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
830 HImode reg when TARGET_5200.
832 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
834 From Toshiyasu Morita:
835 * sh.h (CACHE_LOG): SH2 has cache, too.
837 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
839 * toplev.c (compile_file): Disable -ffunction-sections and
840 debugging warning if the object format is elf.
842 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
844 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
845 when the data in 8-bit area and can not be addressed by 8-bit.
847 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
849 * flow.c (create_basic_block): Disregard integrated bb notes.
851 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
853 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
855 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
857 * config/i386/t-sco5gas (crti.o): New target.
859 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
861 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
862 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
863 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
864 load_multiple, allocate_stack, call_indirect_aix32,
865 call_indirect_aix64, call_value_indirect_aix32,
866 call_value_indirect_aix64, call_indirect_nt,
867 call_value_indirect_nt): Use gpc_reg_operand instead of
870 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
872 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
873 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
875 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
876 allow andi. or andis. which always set cr0.
878 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
880 * version.c: Bump for snapshot.
882 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
884 * invoke.texi: Update information for PA scheduling.
886 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
887 Mike Stump <mrs@wrs.com>
889 * pa.c (override_options): Change default to 7100LC
891 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
892 float regs before right half of float regs.
894 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
895 Jeffrey A Law (law@cygnus.com)
897 * frame.h: Update some comments.
898 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
899 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
900 using TARGET_WEAK_ATTRIBUTE.
901 (__do_global_dtors_aux): Check if __deregister_frame_info is
902 zero before calling it.
903 (__do_global_dtors): Likewise.
904 (frame_dummy): Check if __register_frame_info is zero before
906 (__frame_dummy): Likewise.
908 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
910 * SERVICE: Update from the FSF.
912 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
914 * config/i386/t-sco5 (crti.o): New target.
915 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
917 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
919 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
921 * md.texi (prologue,epilogue): Document named patterns.
923 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
925 * md.texi, invoke.texi: Fix unterminated @xrefs.
927 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
929 * genattrtab.c (simplify_knowing): Fix uninitialized read
932 * genextract.c (main): Clear recog_operands before extracting.
934 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
936 * c-pragma.c (add_weak); Delete. Moved into...
937 * varasm.c (add_weak): New external function.
938 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
939 the list of weak functions.
940 * c-pragma (add_weak): Declare.
942 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
944 Flow rewrite to use basic block structures and edge lists:
946 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
947 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
948 (struct edge_def): New.
949 (struct basic_block_def): New.
950 (basic_block_info): New.
951 (BLOCK_HEAD, BLOCK_END): Update.
952 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
953 (uid_block_number): Kill.
954 (basic_block_for_insn, BLOCK_FOR_INSN): New.
956 * flow.c (XNMALLOC): Kill.
957 (max_uid_for_flow): Kill.
958 (uid_block_number): Kill.
959 (uid_volatile): Turn into a bitmap.
960 (SET_INSN_VOLATILE): New.
961 (basic_block_info): New.
962 (entry_exit_blocks): New.
963 (x_basic_block_head, x_basic_block_end): Kill.
964 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
965 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
966 (basic_block_loop_depth): Kill.
967 (basic_block_for_insn): New.
968 (find_basic_blocks): Split out initial block counting into
969 count_basic_blocks. Call functions split out of find_basic_blocks_1.
970 (count_basic_blocks): New.
971 (find_basic_blocks_1): Split out edge recognition, unreachable
973 (create_basic_block): New.
974 (compute_bb_for_insn): New.
976 (free_bb_memory): Kill.
977 (add_edge, add_edge_to_label): Kill.
978 (mark_label_ref): Kill.
979 (make_edges): Rewrite to use edge lists.
980 (make_edge, make_label_edge): New.
981 (mark_critical_edges): New.
982 (split_edge, insert_insn_on_edge): New.
983 (commit_one_edge_insertion, commit_edge_insertions): New.
984 (delete_unreachable_blocks): Rewrite to use edge lists.
985 Split out EH region manipulation into delete_eh_regions.
986 Call tidy_fallthru_edge and merge_blocks.
987 (delete_eh_regions): New.
988 (delete_note_p): New.
989 (delete_insn_chain): New.
990 (delete_block): Split out code into delete_insn_chain and
991 tidy_fallthru_edge. Update edge lists.
992 (expunge_block): New.
993 (flow_delete_insn): New?
994 (can_delete_label_p): New?
995 (merge_blocks_nomove, merge_blocks): New.
996 (tidy_fallthru_edge): New.
997 (calculate_loop_depth): New.
998 (life_analysis): Allocate and free uid_volatile.
999 (free_basic_block_vars): Update for new structures.
1000 (record_volatile_insns): Use SET_INSN_VOLATILE.
1001 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1002 (mark_used_regs): Likewise.
1003 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1004 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1005 life propagation from EXIT_BLOCK rather than last block. Clear
1006 regs_ever_live after mark_regs_live_at_end.
1007 (allocate_for_life_analysis): Update for new structures.
1008 (propagate_block): Split out loop depth calculation to
1009 calculate_loop_depth.
1010 (regno_uninitialized): Use bb->global_live_at_start.
1011 (regno_clobbered_at_setjmp): Likewise.
1012 (dump_bb_data): Likewise.
1013 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1014 (dump_flow_info): Update for new structures.
1015 (dump_edge_info): New.
1016 (print_rtl_with_bb): Update for new structues.
1017 (compute_preds_succs): Do no work -- convert edge lists.
1018 (set_block_for_insn): From corpse of old set_block_num.
1019 (set_block_num): Call it.
1021 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1022 * rtl.h (rtunion_def): Add bb entry.
1023 (NOTE_BASIC_BLOCK): New.
1024 (NOTE_INSN_BASIC_BLOCK): New.
1026 * varray.h (varray_data_tag): Add bb entry.
1027 (VARRAY_BB_INIT, VARRAY_BB): New.
1029 * emit-rtl.c (emit_label_before): New.
1031 * except.c (expand_rethrow): Delete insns following the call to
1032 rethrow. Put the REG_EH_RETHROW on the call.
1034 * jump.c (returnjump_p, returnjump_p_1): New.
1036 * expr.h (nonlocal_goto_handler_labels): New declaration.
1037 * function.c (nonlocal_goto_handler_labels): Define it.
1038 (push_function_context_to): Save it.
1039 (pop_function_context_from): Restore it.
1040 (init_function_start): Clear it.
1041 (nonlocal_label_rtx_list): Kill.
1042 * function.h (struct function): Add storage space for it.
1043 * stmt.c (expand_nl_handler_label): Return the new label.
1044 (expand_nl_goto_receivers): Collect a list of them in
1045 nonlocal_goto_handler_labels.
1047 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1048 (flow.o): Depend on insn-flags.h.
1050 * function.c (thread_prologue_and_epilogue_insns): Do not
1051 half-heartedly update bb structures.
1053 * toplev.c: Add flow2 dump as -dw.
1054 (rest_of_compilation): Finish .greg before flow2.
1056 * graph.c (draw_edge): Handle class 3.
1057 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1058 change non-fall-thru but adjacent to green class 3. Update
1059 to use new structures.
1061 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1063 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1065 (reg_to_stack): Initialize block_num to -1.
1067 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1068 to basic_block_live_at_start to bb->global_live_at_start.
1069 (try_combine): Likewise.
1070 (reg_dead_at_p): Likewise.
1071 * global.c (global_conflicts): Likewise.
1072 Handle stack regs on all abnormal edges, not just computed jumps.
1073 (mark_elimination): Update reference to basic_block_live_at_start.
1074 (build_insn_chain): Likewise.
1075 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1076 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1077 of nonlocal_label_rtx_list.
1078 (check_live_1): Update reference to basic_block_live_at_start.
1079 (update_live_1): Likewise.
1080 (find_pre_sched_live): Likewise.
1081 (find_post_sched_live): Likewise.
1082 * local-alloc.c (update_equiv_regs): Likewise.
1083 (block_alloc): Likewise.
1084 * reload1.c (reload, reload_combine): Likewise.
1085 * regmove.c (mark_flags_life_zones): Likewise.
1086 * resource.c (mark_target_live_regs): Likewise.
1087 * sched.c (schedule_block): Likewise.
1089 * regclass.c (regset_release_memory): Don't free
1090 basic_block_live_at_start.
1092 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1094 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1096 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1097 * fixinc.svr4: Likewise.
1099 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1100 rather than asserting it.
1102 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1105 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1106 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1109 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1110 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1111 scan-decls.o): Don't depend on machmode.h.
1113 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1114 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1116 * cppfiles.c: Likewise.
1118 * cpplib.c: Likewise.
1120 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1122 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1124 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1125 * objc/lang-specs.h: Likewise.
1127 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1129 * pa.md (call patterns): Lose unused argument to output_call.
1131 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1133 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1135 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1136 first argument. All callers changed.
1138 (cpp_lookup, cpp_install): Change all refs to hashtab to
1140 (cpp_hash_cleanup): Removed.
1141 * cpphash.h: Adjust prototypes.
1142 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1143 * cppinit.c (cpp_reader_init): Also allocate space for the
1145 (cpp_cleanup): Delete all macros and free the hashtab.
1147 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1149 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1152 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1153 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1154 * calls.c (expand_call): Likewise.
1156 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1158 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1159 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1160 arguments in registers.
1161 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1162 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1165 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * cse.c (dump_class): Revert last change and make the prototype
1170 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1172 * rtl.h (insn_first_p): Don't declare.
1173 * rtlanal.c (insn_first_p): Delete.
1174 * loop.c (loop_insn_first_p): Faster implementation.
1176 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1178 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1179 (TARGET_3, TARGET_6): Delete.
1180 (ARM_FLAG_ARM[36]): Delete.
1181 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1182 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1183 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1184 * arm.c (arm_override_options): Delete warnings about deprecated
1187 * arm.c (arm_finalize_pic): Build the label into the special pic
1188 adjustment insn instead of issuing it separately.
1189 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1192 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1193 (*ne_zeroextractsi): New pattern.
1195 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1197 * stmt.c (expand_end_loop): Grok code emitted by
1198 expand_exit_loop_if_false.
1200 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1202 * config/arm/arm.c (return_in_memory): Float fields in unions
1203 force a return in memory.
1204 (load_multiple_sequence): Add comment explaining why two LDR
1205 instructions can be better than an LDMIA instruction.
1207 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1208 describing the real meaning of this option.
1209 (FIXED_REGISTERS): Default r10 to not-fixed.
1210 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1211 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1213 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1214 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1215 performing other checks.
1217 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1218 (extendhisi2): Undo previous change.
1219 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1220 ignored for armv4(t) architectures.
1222 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1225 * config/arm/riscix1-1.h
1226 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1228 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1230 * cse.c (dump_class): Make the function definition static to match
1233 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1235 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1237 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1238 endian correction for parms passed in regs but living on the stack.
1240 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1242 * calls.c (initialize_argument_information): New function extracted
1244 (expand_call): Use initialize_argument_information. Remove variables
1245 which are no longer used due to cleanups.
1247 * calls.c (compute_argument_block_size): New function, extracted from
1249 (expand_calls): Use compute_argument_block_size. Delete
1250 original_args_size, use unadjusted_args_size instead.
1252 * calls.c (precompute_arguments): New function, extracted from
1254 (expand_call): Use precompute_arguments.
1256 * calls.c (finalize_must_preallocate): New function, extracted from
1258 (expand_call): Use finalize_must_preallocate.
1260 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1262 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1263 An alternative always fails if it needs a pseudo and no suitable
1264 register class can be found.
1266 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1268 * loop.h (loop_insn_first_p): Declare.
1269 * loop.c (loop_insn_first_p): No longer static.
1270 * unroll.c (iteration_info) Fix comparison to
1271 reg_iv_type->num_elements.
1272 Before accessing reg_biv_class, check index against
1273 max_reg_before_loop.
1274 Fix and enable code for giv iterators.
1275 (loop_iterations): Compare with reg_iv_type->num_elements instead
1276 of with max_reg_before_loop.
1278 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1280 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1282 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1284 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1285 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1287 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1289 * config/i386/i386.md: fix typoe.
1291 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1293 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1294 frame_pointer_needed adjust frame size.
1295 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1296 in .frame pseudo-op.
1297 Frm Jim Wilson <wilson@cygnus.com>:
1298 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1299 when TARGET_MIPS16 && frame_pointer_needed.
1301 1999-02-22 Nick Clifton <nickc@cygnus.com>
1303 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1304 Add -mno-sched command line switch to disable scheduling of
1305 instructions into the function's prologue.
1306 (enum processor_type): Remove.
1307 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1308 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1309 fields with 'processors' field.
1310 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1311 checking is not enabled.
1312 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1314 * config/arm/arm.c: (arm_cpu): Remove.
1315 (tune_flags): Remove.
1316 (arm_is_strong): New variable: true iff the target processor is a
1318 (arm_is_6_or_7): New variable: true iff the target processor is an
1320 (arm_select): Fields reorganised.
1321 (struct processors): processor_type field removed.
1322 (all_procs): Remove.
1323 (all_cores): New array: Definitions of all known ARM cpu cores.
1324 (all_architectures): New array: Definitions of all known ARM
1327 (FL_SCHED): New processor flag: processor required load
1329 (FL_STRONG): New processor flag: processor is a StrongARM.
1330 (arm_override_options): Reorganised to make code clearer.
1331 (use_return_insn): Test for "not (TARGET_APCS and
1332 frame_pointer_needed)".
1333 (arm_return_in_memory): Improve handling of structures.
1335 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1336 "is_strongarm" and "is_arm_6_or_7" attributes.
1337 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1339 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1341 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1343 1999-02-22 Philip Blundell <philb@gnu.org>
1345 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1346 definition with one including cache synchronisation.
1347 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1348 Move definition of inhibit_libc to...
1349 * config/arm/xm-linux.h: ... here.
1351 * config/arm/t-linux: Disable multilib configurations since the
1352 only effect for most people is to cause builds to fail.
1354 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1355 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1357 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1358 (HANDLE_SYSV_PRAGMA): Likewise.
1359 (LIB_SPEC): Copy definition from generic Linux files.
1360 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1361 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1362 (DWARF2_DEBUGGING_INFO): Define.
1363 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1365 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1367 * loop.c (libcall_other_regs): Make extern.
1368 * rtl.h (find_last_value): Add parameter to prototype.
1369 (libcall_other_reg): Add extern declaration.
1370 * rtlanal.c (find_last_value): Add another parameter to allow
1371 a definition using a hardware register to be found as well.
1373 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1375 * cse.c (dump_class): New function.
1376 (invalidate_memory): Fix typo in comment.
1377 * function.c (temp_slot): Add an alias set field.
1378 (assign_stack_temp): Only reuse slots if they will have the
1379 same alias set as before.
1380 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1382 * rtl.c (copy_rtx): Copy all the flags (in particular,
1385 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1387 * configure.in (i[34567]86-*-linux-gnu*,
1388 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1389 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1392 * configure: Rebuilt.
1394 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1397 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1399 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1400 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1401 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1404 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1406 * objc/objc-act.c (encode_type): Temporary revert to the old
1407 behavior of encoding types as the new one seems to break the
1408 encoding of bitfields.
1410 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1411 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1413 * Makefile.in (all.internal, all.cross): Depend on `doc'
1414 target, to ensure docs get made before installation.
1417 Decrease spurious warnings from -fsyntax-only:
1418 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1420 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1422 * c-lex.c (yylex): Replace warning about integer constants being
1423 larger than long-longs, with a warning about integer constants
1424 being larger than the largest target integer.
1426 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1428 Fix -fsyntax-only ICEs:
1429 * varasm.c (assemble_zeros, assemble_variable,
1430 output_constant_def): Do nothing when -fsyntax-only.
1432 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1434 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1435 * configure: Rebuilt.
1437 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1439 * version.c: Bump for snapshot.
1441 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1443 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1444 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1445 * tm.texi: Update docs for constructors and destructors.
1447 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1449 * genattrtab.c (check_attr_value): Allow negative const_int if
1450 negative_ok. Accept integral arithmetic operators. Accept
1451 direct references to other attributes. Accept symbol_ref in
1452 non-constant attributes.
1453 (max_attr_value): Add new argument `unknownp'. Update all callers.
1454 (or_attr_value): Likewise.
1455 (simplify_knowing): Don't optimize if max_attr_value unknown.
1456 (write_length_unit_log): Likewise with or_attr_value.
1457 (find_and_mark_used_attributes): Don't fallthru case.
1458 (write_attr_set): Pass thru all non-cond expressions.
1459 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1461 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1463 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1465 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1467 * regmove.c (discover_flags_reg): Remove cc0 code.
1468 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1469 a potential flags register was identified.
1471 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1473 * rs6000.md (scc plus ltu): Fix typo in last change.
1475 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1477 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1479 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1481 * regmove.c (discover_flags_reg): New function.
1482 (flags_set_1, mark_flags_life_zones): New functions.
1483 (regmove_optimize): Call them.
1484 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1486 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1488 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1490 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1491 Use loop_insn_first_p.
1493 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1494 David Edelsohn <edelsohn@gnu.org>
1496 * rs6000.md (scc plus eq): Fix output template.
1497 (scc plus ltu): Fix output template and collapse variants
1498 correcting early clobbers.
1499 (scc plus geu): Fix output template.
1500 (scc plus gt): Fix output template.
1501 (scc plus gtu): Fix output template and collapse variants.
1503 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1505 * cppinit.c (print_help): Remove unescaped newline in string.
1507 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1509 * loop.c (strength_reduce): Check for intervening jumps when
1510 converting biv increment to giv.
1512 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1514 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1515 * expr.c (expand_expr): Support new tree nodes.
1517 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1519 * config/m68k/m68k.c (m68k_align_loops_string,
1520 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1521 * config/m68k/m68k.h (m68k_align_loops_string,
1522 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1524 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1526 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1528 * bitmap.h (bitmap_print): Likewise.
1530 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1532 * c-lang.c (build_objc_string): Likewise.
1534 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1535 limits.h or ctype.h. Remove unused variable `p'.
1537 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1539 * c-pragma.c (handle_pragma_token): Likewise.
1541 * c-pragma.h (handle_pragma_token): Likewise.
1543 * c-tree.h (build_objc_string, builtin_function, grokfield,
1544 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1545 pedwarn_init): Likewise.
1547 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1548 push_string, warning_init, incomplete_type_error,
1549 build_indirect_ref, lvalue_or_else, readonly_warning,
1550 build_c_cast, spelling, push_member_name, print_spelling,
1551 error_init, pedwarn_init, start_init): Likewise.
1553 * objc/objc-act.c (build_objc_string): Likewise.
1555 * print-tree.c (print_node_brief, print_node): Likewise.
1557 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1559 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
1561 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1563 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1565 * configure.in :Handle OpenBSD platforms.
1566 * configure: Rebuilt.
1567 * config/openbsd.h: New file.
1568 * config/xm-openbsd.h: New file.
1569 * config/t-openbsd: New file.
1570 * config/t-openbsd-thread: New file.
1572 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1574 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1575 assign_stack_local for BLKmode slots.
1577 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1579 * loop.c (strength_reduce): For derived givs, replace the
1580 giv this was derived from with its new_reg.
1581 (recombine_givs): Don't set new_reg for derived giv.
1582 And don't print it, print SUM instead.
1584 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1586 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1588 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1590 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1591 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1593 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1594 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1595 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1596 cpp_pending, version_string, struct default_include,
1597 include_defaults_array, path_include, cpp_options_init,
1598 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1599 cpp_reader_init, nreverse_pending, push_pending, print_help,
1600 cpp_handle_option, cpp_handle_options, cpp_finish,
1601 cpp_cleanup): Move to cppinit.c.
1602 (macro_cleanup, struct arglist, collect_expansion,
1603 create_definition, compare_defs, comp_def_part, ARG_BASE,
1604 struct argdata, macarg, change_newlines, timestamp,
1605 monthnames, special_symbol, unsafe_chars, macroexpand,
1606 push_macro_expansion): Move to cpphash.c.
1607 (quote_string, check_macro_name, cpp_expand_to_buffer,
1608 output_line_command, cpp_undef): Export.
1609 (null_underflow, null_cleanup, handle_directive): Make static.
1611 * cpplib.h: Prototype now-exported functions. Adjust decls of
1612 syntax tables so we can include cpplib.h in cppinit.c.
1613 * cpphash.h: Prototype all functions exported by cpphash.c.
1614 * cppinit.c: Make syntax tables initialized data if possible
1615 (uses GCC designated-initializer extension).
1616 * cppexp.c: Make cpp_lex static.
1617 * Makefile.in: Move -D switches for the various include dirs
1618 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1620 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1622 * alpha/openbsd.h: New file.
1623 * alpha/xm-openbsd.h: New file.
1624 * sparc/openbsd.h: New file.
1625 * sparc/xm-openbsd.h: New file.
1626 * m68k/openbsd.h: New file.
1627 * m68k/xm-openbsd.h: New file.
1628 * i386/openbsd.h: New file, originally from netbsd.
1629 * i386/xm-openbsd.h: New file.
1631 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1633 * Makefile.in: Correct dependencies for cpplib object files.
1635 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1637 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1640 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1642 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1645 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1647 * tree.c (tree_node_kind_names, print_obstack_name,
1648 get_identifier, maybe_get_identifier, build_string,
1649 build_expr_wfl, is_attribute_p, lookup_attribute,
1650 print_obstack_statistics, get_file_function_name_long, tree_check,
1651 tree_class_check, expr_check): Qualify a char* with the `const'
1654 * tree.h (get_identifier, maybe_get_identifier, build_string,
1655 build_expr_wfl, is_attribute_p, lookup_attribute,
1656 print_obstack_statistics, print_obstack_name, tree_check,
1657 tree_class_check, expr_check): Likewise.
1659 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1661 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1664 * calls.c (store_one_arg): Mark any slots used for the argument
1665 as in-use immediately after we're done saving any slots which
1666 will be overwritten by this argument.
1668 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1670 * rs6000.md (call_value): Fix typo.
1672 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1674 * loop.c (strength_reduce): Calculate maybe_dead before
1675 calling recombine_givs.
1677 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1679 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1681 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1683 * objc/objc-act.c (encode_type): Encode the type instead of
1684 encoding the mode of the type (patch from Richard Frith-Macdonald
1685 <richard@brainstorm.co.uk>).
1687 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1689 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1690 instruction killed in previous change. Simplify mask generation.
1691 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1693 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1695 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1696 bitfield does not overflow a byte boundary.
1698 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1700 * c-common.c (shorten_compare): Get the min/max value from the
1701 underlying type of an enumeration, not the enumerated type itself.
1703 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1705 * jump.c: Include insn-attr.h.
1706 (delete_computation): If reload has completed and insn scheduling
1707 after reload is enabled, then do not depend on REG_DEAD notes.
1708 * Makefile.in (jump.o): Depend on insn-attr.h.
1710 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1712 * i386.md (addsi3): Allow lea for any constant_p.
1714 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1716 * toplev.c (documented_lang_options): Remove -fident and
1717 -fnoident, which are now handled by the language independent
1720 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1722 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1723 * c-lex.c: Likewise.
1724 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1725 list in malloced memory for the buffer stack.
1726 (cpp_get_token): Don't pop the last buffer off the stack.
1727 Calls after CPP_EOF has been returned produce CPP_EOF with no
1729 (cpp_finish): Pop last buffer here.
1730 (do_line): Don't free ip->last_nominal_fname if it is equal to
1732 (special_symbol): If a T_CONST is the empty string, push a
1733 single `@ ' escape instead.
1734 (macroexpand): Special symbol buffers have escapes too.
1735 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1737 (struct cpp_reader): Remove buffer_stack. Add
1739 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1742 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1744 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1745 WIDE_INT with WIDEST_INT.
1748 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
1749 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
1750 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
1751 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
1752 definition of variable `c89' when compiling a test binary and set it.
1754 * system.h: Don't define the PRINTF_PROTO_* macros.
1756 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
1758 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
1759 we do not understand, mark the loop and containing loops as invalid.
1761 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1763 * alias.c (init_alias_analysis): Avoid self-referential value
1764 when setting reg_known_value from REG_EQUAL notes.
1766 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1768 * i386.c (legitimate_address_p): Verify modes of base and index.
1770 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1772 * i386.c (legitimate_pic_address_disp_p): Remove static.
1773 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1776 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1778 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1779 * explow.c (probe_stack_range): Likewise.
1780 * expmed.c (do_cmp_and_jump): Likewise.
1781 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1782 (do_tablejump): Likewise.
1783 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1784 (do_jump_if_equal, emit_case_nodes): Likewise.
1785 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1786 then convert comparison to an unsigned code before emitting the jump.
1787 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1789 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1791 * version.c: Bump for snapshot.
1793 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1795 * version.c: Bump for snapshot.
1797 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1799 * loop.c: Disable recent loop changes. Temporary as Joern
1800 continues to fix problems.
1802 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1804 * loop.c (combine_givs_used_by_other): Delete.
1805 (combine_givs_benefit_from): Delete.
1806 (combine_givs): Deny combination of givs only used once. Simplify
1807 code with the death of combine_givs_benefit_from.
1809 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1811 * loop.c (scan_loop): Call reg_in_basic_block_p before
1812 loop_reg_used_before_p.
1814 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1816 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1820 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1821 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1822 in the constant pool aren't valid.
1823 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1825 * arm.c: Include "system.h", not stdio.h and string.h.
1827 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1829 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1830 (optimize_tail_recursion): Change return type from void to int.
1831 Add return statements.
1832 * tree.h (optimize_tail_recursion): Change prototype to match.
1834 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1836 * reload.c (find_reloads_subreg_address): New function, broken out of
1837 find_reloads_toplev.
1838 (find_reloads_toplev, find_reloads_address_1): Use it.
1840 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1842 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1843 extending a CONST_INT.
1845 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1847 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1849 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1851 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1853 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1855 * loop.c (load_mems): Don't guess how to do a load / store, use
1858 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1860 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1862 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1864 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
1866 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
1868 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
1869 pseudo which is homed in the stack.
1871 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
1872 (compute_frame_size): Change loop over FP regs to be consistent
1873 with the loop in save_restore_insns.
1875 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
1877 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
1878 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
1880 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
1882 * mn10200.md (bset); Re-enable.
1884 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1886 * sh.md (is_sfunc): New attribute.
1887 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
1889 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
1891 * fold-const.c (range_binop): Take account of the bounded nature
1892 of fixed length arithmetic when comparing unbounded ranges.
1894 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
1896 * function.c (assign_stack_temp_for_type): Clear best_p
1897 when an exact match is found.
1899 * i386.h (LOCAL_ALIGNMENT): Define.
1900 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
1901 (assign_stack_temp_for_type): New function based on assign_stack_temp.
1902 (assign_stack_temp): Call it.
1903 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
1904 * stmt.c: Use assign_temp, not assign_stack_temp.
1905 * tm.texi: Document LOCAL_ALIGNMENT.
1907 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
1909 * reorg.c: Finish deleting half-deleted comment.
1911 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
1913 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
1915 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
1917 * real.c (endian): Delete sign extension code.
1918 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
1919 replaced with operand_subword call.
1921 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
1923 * alpha.md (cmov compound patterns): Delete. Jump can now
1924 create the correct constructs in the first place.
1926 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
1928 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
1930 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
1932 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
1934 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
1936 * tmp-emsgids.c: Delete.
1938 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
1940 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
1943 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
1945 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
1947 * reload1.c (reload_combine_note_store): Second argument is no
1948 longer unused/ignored. Handle multi-register hard regs.
1949 (move2add_note_store): Simplify.
1951 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
1953 * collect2.c (collect_execute): Remove cygwin-specific code.
1955 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
1957 * system.h (_, N_): Remove dummy i18n macros.
1958 * protoize.c: Move inclusion of intl.h to after system.h.
1959 * cexp.y: Include intl.h.
1962 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
1964 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
1965 fpic/fPIC for windows32 targets.
1966 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
1968 * i386/mingw32.h (CPP_SPEC): Define.
1969 (CPP_PREDEFINES): Add MINGW32 version id.
1970 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
1972 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
1973 add missing exeext to target.
1975 * gcc.c (convert_filename): Handle null filename argument.
1977 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1979 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
1980 m constraint instead of QT.
1982 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
1984 * cpplib.c (special_symbol): Move IP to be declared in function
1985 scope, rather than individual case statements.
1987 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1989 * cppfiles.c (finclude): Handle pipes properly under old BSD
1992 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
1994 * system.h: Provide fallback definitions for S_ISCHR,
1995 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
1997 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1999 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2001 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2003 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2004 "740", and "750" as valid arguments to --with-cpu.
2005 * configure: Rebuilt.
2007 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2009 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2010 * configure: Rebuilt.
2012 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2014 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2015 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2017 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2019 * output.h (current_function_has_computed_jump): Rename from
2020 current_function_addresses_labels.
2021 * function.h (struct function): Likewise for addresses_labels member.
2022 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2023 * function.c (current_function_has_computed_jump): Likewise.
2024 Update all references.
2025 * integrate.c (function_cannot_inline_p):
2026 Test current_function_has_computed_jump instead of addresses_labels.
2027 (initialize_for_inline): Likewise save.
2028 (output_inline_function): Likewise restore.
2030 * expr.c (expand_expr): Don't reference addresses_labels variables.
2031 * stmt.c (expand_computed_goto): Set has_computed_jump.
2033 1999-02-08 Michael Meissner <meissner@cygnus.com>
2035 This is being installed only to get it into the repository to help
2036 with the revert, resubmit & review process for the massive rs6000.md
2038 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2040 (anddi3_internal1): Ditto.
2041 (andsi3_internal{2,3}): Correct some insn lengths.
2042 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2045 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2047 * loop.c (reg_single_usage): New file-scope variable ...
2048 (scan_loop): ... moved out of here. Always initialize.
2049 Test loop_has_call instead of reg_single_usage not zero.
2050 Free reg_single_usage after strength reduction.
2051 (count_loop_regs_set): Assume single_usage non-zero.
2052 (combine_givs_used_by_other): Test reg_single_usage.
2053 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2054 as a parameter. Assume non-zero.
2056 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2058 * cpplib.c (special_symbol): Rewrite. Don't copy things
2059 multiple times. Handle __STDC__ specially. T_CONST
2060 indicates a constant /string/. Don't handle T_*_TYPE and
2061 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2062 adjust_position. Determine the file buffer only if needed.
2063 (initialize_builtins): Handle __SIZE_TYPE__,
2064 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2065 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2066 Don't provide __OBJC__; the driver does that. Provide
2067 __STDC_VERSION__, using T_CONST. Use T_STDC for
2068 __STDC__. Give install the length of all symbols defined.
2069 (eval_if_expression): Drop code to insert and remove the
2070 "defined" special symbol.
2072 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2073 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2075 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2076 the `value' parameter. All callers changed.
2077 * cpphash.h (install): Change prototype to match.
2078 (union hashval): Remove `ival' member.
2079 * cppexp.c (cpp_lex): Handle `defined' here.
2081 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2083 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2085 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2087 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2088 initialization of unions whose first member is a bitfield.
2089 Remove unnecessary code for checking the declaration mode
2090 after DECL_C_BIT_FIELD.
2092 * varasm.c (output_constructor): Additional comment about the
2093 constructor of bitfield union initialization.
2095 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2097 * config/c4x/c4x.md (*movhi_stik): New pattern.
2098 (movhi): Allow some immediate constants to be directly
2101 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2103 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2104 (call, call_value): Force address into a register if not valid
2105 for a call instruction.
2106 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2108 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2110 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2112 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2113 Rename from call_operand and symbolic_operand respectively. All
2115 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2117 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2119 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2121 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2123 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2124 LO_SUM address for HImode or HFmode but instead force address into
2125 a register so that it is offsettable.
2126 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2128 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2130 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2131 REG+REG addressing if strength reduction enabled.
2133 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2135 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2136 (TARGET_LIBGCC2_CFLAGS): Define.
2138 1999-02-08 Nick Clifton <nickc@cygnus.com>
2140 * config/v850/v850.md: Replace \\n\\t with \\;
2142 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2143 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2144 Enforce TARGET_LONG_CALLS option.
2146 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2148 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2150 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2152 * m88k/t-luna-gas: Remove bash dependency.
2154 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2156 * collect2.c (xrealloc): Fix typo in last change.
2158 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2160 * version.c: Bump for snapshot.
2162 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2164 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2165 that we do not want macro replacement within a character constant.
2166 (TYPE_CHECK1): Likewise.
2168 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2170 * tree.h (DECL_P): New macro.
2172 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2174 * version.c: Bump for snapshot.
2176 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2178 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2180 * README.g77, gcc.c, gcc.texi: Update email addresses.
2181 * invoke.texi system.h: Likewise.
2183 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2185 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2186 to convert dest_reg to new_reg.
2188 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2190 * reload1.c (reload_combine_note_store): Be more careful with
2191 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2192 (move2add_note_store): Likewise.
2194 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2196 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2197 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2200 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2202 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2205 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2206 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2207 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2208 (CPP_CPU_ARCH_SPEC): Likewise.
2209 (enum processor_type): Likewise.
2210 * config/arm/arm.md (attr cpu): Add arm9.
2212 General scheduling changes
2213 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2214 (max_insns_skipped): New variable.
2215 (arm_override_options): If generating hard floating point code for
2216 the FPA, emit code for version 3.
2217 When optimizing for space, don't synthesize constants.
2218 Reword several flags based on the requested processor and optimization
2220 (use_return_insn): New argument iscond, all callers changed. Don't
2221 use a return insn if it will be conditional and that would be
2222 expensive; eg on StrongARM.
2223 (arm_adjust_cost): Anti- and output- dependencies normally have no
2225 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2226 the sequence is short.
2227 (final_prescan_insn): Use max_insns_skipped instead of
2228 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2229 conditional, and aviod this if it would be expensive.
2230 * config/arm/arm.md (scheduling attributes and function units):
2231 Rewrite to better describe ARM8, 9 and StrongARM.
2233 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2235 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2236 arm_rhsm_operand. Rework constraints.
2237 (*if_plus_move): Likewise.
2238 (*ifcompare_move_plus): Likewise.
2239 (*if_move_plus): Likewise.
2240 (*ifcompre_arith_move): Likewise.
2241 (*if_arith_move): Likewise.
2242 (*ifcompare_move_arith): Likewise.
2243 (*if_move_arith): Likewise.
2245 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2247 1999-02-05 Michael Meissner <meissner@cygnus.com>
2249 * loop.c (check_dbra_loop): A store using an address giv for which
2250 we have no life information is not reversible.
2252 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2254 * function.c (fixup_var_refs): Scan catch_clauses too.
2256 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2258 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2259 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2261 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2263 * loop.c (strength_reduce): Clear not_every_iteration when
2264 passing the NOTE_INSN_LOOP_CONT note.
2266 * haifa-sched.c (add_dependence): Do not add a dependency on a
2269 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2271 * recog.c (split_block_insns): Only call update_flow_info if
2272 instruction scheduling is enabled.
2274 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2276 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2278 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2280 * loop.c (first_loop_store_insn): New file-scope variable.
2281 (prescan_loop): Set it.
2282 (check_dbra_loop): Check if a store depends on a register
2283 that is set after the store.
2285 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2287 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2288 Replace spaces with tabs where appropriate.
2290 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2292 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2293 (strength_reduce): New argument loop_cont. Changed caller.
2294 Before clearing not_every_iteration after a label, check if
2295 we are not already past LOOP_CONT.
2297 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2299 * cpperror.c (cpp_print_containing_files): Fix formatting
2300 bug induced by merge.
2302 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2304 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2305 (cpp_define): Remove redundant syntax checks.
2306 (make_assertion): Rename cpp_assert, remove redundant syntax
2308 (cpp_options_init): Don't init things to zero twice.
2309 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2310 (do_include): Kill excessively verbose #import warning that
2311 snuck back in in the gcc2 merge.
2312 (convert_string): Removed.
2313 (do_line): Rewrite with simple last-name-used cache instead of
2315 (cpp_start_read): Call initialize_char_syntax here, not...
2316 (cpp_reader_init): ...here.
2317 (cpp_handle_options): Support the -std switch.
2318 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2319 (cpp_options): Add c9x flag.
2320 Declare all the is_* tables and trigraph table here, as const.
2321 Prototype cpp_assert and initialize_char_syntax.
2322 * cppinit.c: New file.
2323 * cppfiles.c (read_and_prescan): Optimize.
2324 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2326 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2328 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2329 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2330 before calling gen_div_trap.
2332 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2334 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2335 than numeric value for target_cpu_default..
2336 * configure: Rebuilt.
2338 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2340 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2341 mkstemp. Get them from libiberty.
2342 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2343 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2344 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2345 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2347 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2349 * pa-hpux.h (LINK_SPEC): Likewise.
2350 * pa-hpux10.h (LINK_SPEC): Likewise.
2351 * pa-hpux9.h (LINK_SPEC): Likewise.
2352 * pa-osf.h: (LINK_SPEC): Likewise.
2353 * pa-pro.h (TARGET_DEFAULT): Likewise.
2354 * pa1.h (TARGET_DEFAULT): Likewise.
2355 * pa.h (MASK_*): New defines.
2356 (TARGET_*): Use symbolic values rather than numeric values.
2357 (TARGET_SWITCHES): Likewise.
2358 (TARGET_DEFAULT): likewise.
2359 (CPP_SPEC): likewise.
2361 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2363 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2364 * reload.c (find_reusable_reload): New function, broken out of
2365 push_reload. Add code to verify that none of the involved
2366 outputs are subject to earlyclobbers.
2367 (push_reload): Break out new function find_reusable_reload.
2368 Delete "register" keyword for IN, OUT args.
2370 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2372 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2373 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2374 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2375 Use true_reg_or_0_operand for div_trap.
2377 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2379 * loop.h (express_from): Declare.
2380 (struct induction): Replace derived flag with derived_from pointer.
2381 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2382 (express_from): No longer static.
2383 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2384 When processing an address giv with which another giv has been
2385 combined that has also been derived from a third giv, handle like
2386 having combined with the third giv.
2387 Set splittable_regs_updates appropriately for derived givs.
2389 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2391 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2393 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2395 * pa.c (insn_sets_and_refs_are_delayed): New function.
2396 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2397 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2399 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2401 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2402 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2403 (TARGET_LIBGCC2_CFLAGS): Define.
2404 (LIBGCC2_DEBUG_CFLAGS): Define.
2405 * config/arm/t-netbsd: Likewise.
2406 * config/arm/t-semi: Likewise.
2407 * config/arm/t-semiaof: Likewise.
2408 * config/arm/t-riscix: Likewise.
2410 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2412 * config/m68k/m68k.c (print_operand_address): When printing a
2413 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2415 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2417 * i386/freebsd*.h now allows '$' in label names and does not use the
2418 PCC struct return method.
2420 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2422 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2423 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2424 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2425 names if host == target.
2426 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2427 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2428 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2429 setting them to *_FOR_TARGET.
2430 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2433 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2435 * toplev.h (read_integral_parameter): Declare.
2436 * toplev.c (read_integral_parameter): New function.
2438 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2440 * resource.c, resource.h: New files.
2441 * Makefile.in (OBJS): Add it.
2443 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2444 (split_block_insns): Moved to recog.c.
2445 (update_flow_info): Make public.
2446 * rtl.h: Declare them.
2448 * reorg.c: Moved the functions dealing with computing resource
2449 usage to resource.c.
2451 * sched.c (regno_use_in): Moved to rtlanal.c.
2452 (update_flow_info): Make public.
2453 (schedule_insns): Use split_block_insns.
2455 * recog.c (split_block_insns): New function.
2457 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
2459 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2460 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2462 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2464 * configure.in (arm-*-oabi): Support.
2465 * configure: Regenerate.
2466 * config/arm/unknown-elf-oabi.h: New file.
2468 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2470 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2471 Make the anonymous pattern match when ! optimize_size.
2472 (ashlsi3 size optimizer): New pattern.
2474 * intl/Makefile.in (uninstall): Add missing "; \".
2476 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2478 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2481 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2483 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2484 to after find_and_verify_loops call.
2486 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2488 * (recombine_givs): Don't use a giv that's likely to be dead to
2491 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2492 wrap around when deriving givs.
2494 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2496 * recog.c (check_asm_operands): Treat indeterminate operand ok
2497 results as success. Try harder to resolve a matching constraint.
2498 * stmt.c (expand_asm_operands): Recognize when an output operand's
2499 constraint does not allow memory. Treat indeterminate operand ok
2500 results as failure. Try harder to resolve a matching constraint.
2502 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2504 Use varrays for constant-equivalence data:
2506 * varray.h (struct const_equiv_data): New type.
2507 (union varray_data_tag): New element const_equiv.
2508 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2509 (VARRAY_SIZE): New macro, returns number of elements.
2510 * integrate.h: Include varray.h.
2511 (struct inline_remap): Replace const_equiv_map, const_age_map and
2512 const_equiv_map_size with a const_equiv_varray element.
2513 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2515 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2516 simultaneously, growing the varray if needed.
2518 * integrate.c (global_const_equiv_map,
2519 global_const_equiv_map_size): Deleted, replaced by....
2520 (global_const_equiv_varray): New variable.
2521 (expand_inline_function): References changed.
2522 * integrate.h: Update declarations.
2524 * integrate.c (process_reg_parm, expand_inline_function,
2525 copy_rtx_and_substitute, try_constants, subst_constants,
2526 mark_stores): Use varray allocation and accessor macros, new
2527 integrate.h macros, and global_const_equiv_varray. Don't
2528 conditionalize non-NULL stores on array size; instead, expand the
2530 * unroll.c (unroll_loop): Likewise.
2532 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2533 zero. After allocating varray, always exit through bottom of
2534 function, where it can be deallocated if needed. Don't explicitly
2535 reallocate const_equiv_map storage; instead, just ensure the
2536 varray has been initialized, and update the global reference.
2538 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2540 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2542 * dwarf2out.c (inline): Don't define.
2544 * dwarfout.c (inline): Likewise.
2546 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2548 * loop.c (recombine_givs): Dump recombination and derivation data.
2550 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2552 * flags.h: Declare flag_no_ident.
2553 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2554 * c-tree.h: Don't declare flag_no_ident.
2555 * c-decl.c: Don't define flag_no_ident. Don't process
2556 -f(no-)ident switches here.
2558 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2559 only if !flag_no_ident.
2560 * config/ptx4.h: Likewise.
2561 * config/svr4.h: Likewise.
2562 * config/alpha/elf.h: Likewise.
2563 * config/arm/linux-elf.h: Likewise.
2564 * config/i386/sco5.h: Likewise.
2565 * config/i860/fx2800.h: Likewise.
2566 * config/mips/gnu.h: Likewise.
2567 * config/i386/osfrose.h: Likewise.
2569 * gcc.c (C specs): Map -Qn to -fno-ident.
2570 * objc/lang-specs.h: Likewise.
2572 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2574 * configure.in: Don't remove loop.o and unroll.o when
2575 enable-haifa is selected.
2576 * configure: Rebuilt.
2578 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2580 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2581 movxfcc, movdicc): Delete unconstrained alternatives.
2582 * i386.c (output_fp_conditional_move,
2583 output_int_conditional_move): Delete unused case.
2585 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2587 * version.c: Bump for snapshot.
2589 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2591 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2592 instead of bis and cpys. Combine alternatives where possible.
2594 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2596 * gcov.c (fnotice): Add missing FILE* parameter.
2597 (function_summary): Fix format specifiers in calls to `fnotice'.
2598 (output_data): Likewise.
2600 * toplev.c (fnotice): Constify char* parameter.
2602 * toplev.h (fnotice): Add prototype.
2603 Wrap prototype with BUFSIZ to protect FILE* usage.
2605 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2607 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2609 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2611 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2613 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2614 function definition.
2615 (aliases_everything_p, write_dependence_p):Likewise.
2617 * install.texi: Fix merge lossages.
2619 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2621 * collect2.c (main): Likewise.
2622 * cppmain.c (main): Likewise.
2623 * gcc.c (main): Likewise.
2624 * gcov.c (main): Likewise.
2625 * protoize.c (main): Likewise.
2626 * toplev.c (main): Likewise.
2628 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2631 * loop.c: Disable recent loop changes. Temporary as Joern
2632 continues to fix problems.
2634 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2636 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2638 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2640 * emit-rtl.c (remove_insn): New function.
2641 * rtl.h (remove_insn): Add prototype.
2642 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2644 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2646 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2648 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2650 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2651 when declaring arguments and calling va_arg() to initialize them.
2653 * collect2.c (notice): Likewise.
2655 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2657 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * collect2.c (error): Fix typo in declaration.
2661 * cpperror.c (cpp_message): Likewise.
2663 * cpplib.c (cpp_warning): Likewise.
2665 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2668 * toplev.c (error): Fix typo in declaration.
2670 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2672 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2673 forward from cont dominator.
2675 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * cccp.c (eprint_string): Constify a char*.
2678 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2679 (vnotice): Constify a char*.
2680 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2681 (verror): Constify a char*.
2682 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2683 (vwarning): Constify a char*.
2684 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2686 (verror_with_line): Constify a char*.
2687 (vwarning_with_line): Likewise.
2688 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2690 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2692 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2693 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2694 Also correct typo in parameter name declaration.
2695 (make_assertion): Constify a char*.
2696 (quote_string_for_make): Likewise.
2697 (deps_output): Likewise.
2698 (fatal): Likewise. Use PVPROTO not VPROTO, add
2699 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2700 "__attribute__ ((noreturn))".
2701 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2702 (pfatal_with_name): Likewise.
2703 (pipe_closed): Likewise.
2704 (memory_full): Likewise.
2706 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2708 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2709 may_not_optimize to proper size when converting biv increments
2711 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2714 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2716 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2717 generate complex adds. Changed caller.
2718 Don't generate adds that cost more than the original one.
2719 (strength_reduce): Warning fixes.
2721 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2723 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2724 * configure: Rebuilt.
2726 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2728 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2729 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2730 * loop.h (varray.h): Include.
2731 (struct induction): Change combined_with to unsigned.
2732 New members derived, ix and last_use.
2733 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2734 (REG_IV_TYPE, REG_IV_INFO): Define.
2735 (first_increment_giv, last_increment_giv): Declare.
2736 * loop.c (loop_number_loop_cont): New static variable.
2737 (loop_number_cont_dominator): Likewise.
2738 (reg_iv_type, reg_iv_info): Now varray_type.
2739 (first_increment_giv, last_increment_giv): New variables.
2740 (compute_luids, verify_dominator, find_life_end): New functions.
2741 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2742 (loop_optimize): Allocate loop_number_loop_cont and
2743 loop_number_cont_dominator. Use compute_luids.
2744 (find_and_verify_loops): Initialize loop_number_loop_cont and
2745 loop_number_cont_dominator.
2746 (strength_reduce): Try to find bivs that can be expressed as givs
2747 of another biv, and to convert biv increments into givs.
2748 Call recombine_givs. Handle derived givs.
2749 (record_biv): New argument location. All callers changed.
2750 (record_giv): Initialize derived and last_use fields.
2751 (basic_induction_var): New argument location. All callers changed.
2752 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
2753 Increment combined_with instead of setting to 1.
2754 * unroll.c (derived_regs): New static variable.
2755 (unroll_loop): Initialize it.
2756 Allocate local_regno according to max_reg_num.
2757 (copy_loop_body): Cope with derived givs.
2758 (find_splittable_givs): Check for Givs made from biv increments.
2759 Set derived_regs for givs.
2760 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
2762 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2764 * function.c (purge_addressof_1): Handle case when a register
2765 has been used in a wider mode.
2767 1999-01-27 Bruce Korb <autogen@linuxbox.com>
2769 * fixinc/fixincl.c, fixinc/server.[ch]:
2770 Removed the last of the capitalized variable and proc names.
2772 * fixinc/server.c: Removed the process open code
2773 * fixinc/procopen.c: New file containing the proc open code
2774 * fixinc/inclhack.tpl: Added code to bypass a readability test
2775 when a file is not present. A problem on some systems.
2776 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
2778 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2780 * cpplib.h (cpp_notice): Add prototype.
2782 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2784 * Merge gcc2 snapshot 19980929.
2786 * cccp.c (PRINTF_PROTO): Remove.
2787 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2789 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2791 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2792 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2793 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2795 * gen-protos.c (hashf): Delete in cpphash.o
2796 * gen-protos.c (hashf): Delete in cpphash.o
2798 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2799 * expmed.c: Likewise.
2800 * rs6000.md: Likewise.
2802 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2804 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2806 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2807 * rs6000.md (movsi, movdi): Likewise.
2809 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2811 * function.c (expand_function_end): Pass arg_pointer_save_area to
2812 validize_mem before using it. Emit code into a sequence.
2814 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
2816 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2817 '#' to split patterns. Correct indentation of some new patterns.
2819 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2821 * cppfiles.c (safe_read): Deleted.
2822 (read_and_prescan): New function, replaces safe_read, converts
2823 and/or warns about trigraphs, silently converts odd line
2824 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2825 (finclude): Use read_and_prescan; turn off nonblocking mode on
2826 the input descriptor; remove file-size-examination and
2827 no-newline-at-EOF gunk which is longer necessary; be more
2828 careful about checking that we've been handed a legitimate
2829 file to read (only real files, pipes, and ttys are acceptable).
2830 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2831 `trigraphs' and invert its sense.
2832 (trigraph_table): Declare.
2833 (cpp_warning_with_line): Prototype.
2834 * cpplib.c: Remove all references to trigraph_pcp. Define
2835 trigraph_table; initialize it in initialize_char_syntax. Open
2836 files in nonblocking mode. s/no_trigraphs/trigraphs/
2837 throughout, and invert sense. Put cpp_warning_with_line back
2840 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2842 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2843 * config/c4x/c4x.md (*rptb_init): Change constraints.
2844 (rptb_end): Emit alternate looping instructions if
2845 RC register not allocated for loop counter.
2846 (decrement_and_branch_on_count): Allow other registers
2849 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2851 * cppexp.c (struct arglist): Removed.
2852 (parse_number): Use HOST_WIDE_INT for the accumulator.
2853 Allow two `l' suffixes unless C89. Clean up. Make static.
2854 (parse_charconst): New function broken out of cpp_lex.
2855 Code cleaned up drastically. Don't use a token_buffer.
2856 (token_buffer): Removed.
2857 (cpp_lex): Don't call parse_number on a constant string.
2858 Use parse_charconst.
2859 (cpp_parse_expr): Properly handle an ERROR op returned by
2862 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2864 * cpplib.c: Don't include signal.h, sys/times.h, or
2865 sys/resource.h. Don't declare localtime.
2866 (macroexpand): Handle special symbols here.
2867 (push_macro_expansion): Chop off the trailing '@ ' if possible
2869 (cpp_get_token): Don't do either of the above two things here.
2870 Move `string' label just after case '"' so that wide strings
2871 don't crash the preprocessor.
2873 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
2875 * rs6000.md (left shift + set cr patterns): Add missing '#' to
2877 (move register + set cr pattern): Ditto.
2878 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
2879 inadvertently deleted.
2881 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
2883 * stmt.c (stmt_loop_nest_empty): New function.
2884 * tree.h (stmt_loop_nest_empty): Declare it.
2885 * rtl.def (CALL_PLACEHOLDER): New rtx code.
2887 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2889 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
2891 (c4x_check_legit_addr): Remove USE and PLUS, allow
2892 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
2893 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
2894 CONST cases. Add LO_SUM.
2895 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
2896 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
2897 (c4x_print_operand_address): Handle LO_SUM.
2898 (c4x_scan_for_ldp): Delete. Hooray!
2899 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
2901 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
2903 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
2905 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
2907 (c4x_U_constraint, symbolic_operand): New functions.
2908 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
2909 disable SYMBOL_REF, LABEL_REF, and CONST.
2910 (lsrc_operand, tsrc_operand): Call src_operand instead of
2912 (c4x_operand_subword): Update comments.
2914 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
2915 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
2916 plus HIGH and LO_SUM for the C40.
2917 (ENCODE_SECTION_INFO): Define macro.
2918 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
2920 (PREDICATE_CODES): Add symbolic_operand.
2922 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
2923 c4x_emit_move_sequence.
2924 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
2925 to avoid symbol references.
2926 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
2927 (set_high): Renamed from set_high_use.
2928 (set_lo_sum): Renamed from set_ior_lo_use.
2929 (all call patterns): Make MEM explicit in call address operands.
2930 Modified output templates to use 'U' modifier.
2932 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
2934 * version.c: Bump for snapshot.
2936 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * final.c (bb_str): Qualify a char* with the keyword `const'.
2939 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
2941 * fix-header.c (read_scan_file): Likewise.
2943 * genoutput.c (output_epilogue, process_template): Likewise.
2945 * local-alloc.c (requires_inout, block_alloc): Likewise.
2947 * output.h (output_asm_insn, assemble_string): Likewise.
2949 * recog.c (recog_constraints, check_asm_operands,
2950 decode_asm_operands, extract_insn, preprocess_constraints,
2951 constrain_operands): Likewise.
2953 * recog.h (operand_alternative, recog_constraints, insn_template,
2954 insn_outfun, insn_operand_constraint, insn_name): Likewise.
2956 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
2958 * regmove.c (find_matches): Likewise.
2960 * reload.c (alternative_allows_memconst): Likewise.
2962 * reload1.c (constraint_accepts_reg_p,
2963 reload_cse_simplify_operands): Likewise.
2965 * rtl.h (decode_asm_operands): Likewise.
2967 * scan.h (fn_decl): Likewise.
2969 * varasm.c (assemble_string): Likewise.
2971 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
2973 * configure.in (gcc_tooldir): Handle case where exec_prefix has
2974 not been explicitly set.
2975 * configure: Rebuilt.
2977 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
2980 * bitmap.h (bitmap_head_def): Make indx field unsigned.
2982 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
2983 use $exec_prefix/$target_alias for gcc_tooldir.
2984 * configure: Rebuilt.
2986 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
2988 * cppp.c (xrealloc): Fix typo last change.
2989 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
2990 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
2991 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2993 1999-01-22 Michael Meissner <meissner@cygnus.com>
2995 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
2996 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
2997 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
2998 (cc_reg_not_cr0_operand): Add declaration.
3000 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3001 pseudo register, or a control register that is not CR0.
3003 * rs6000.md (all combiner patterns building . instructions): For
3004 all `.' instructions that do something and set cr0, add an
3005 alternative that does the operation, and then sets a different
3006 flag, in order to avoid using the costly mcrf instruction and also
3007 allow cr0 to be clobbered in asm statements. Also fix a few
3008 patterns that used the wrong register.
3010 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3011 (rs6000_debug_name): Make const char *, not char *.
3013 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3015 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3016 (rs6000_select): Use const char * in casts.
3018 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3020 * Makefile.in (gcc_tooldir): Move before first reference.
3021 Let autoconf substitute in a value.
3022 * configure.in (gcc_tooldir): Only use a relative path to the
3023 tool directory if $exec_prefix == $prefix.
3024 * configure: Rebuilt.
3026 * Makefile.in (tooldir): Replace with gcc_tooldir.
3028 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3030 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3031 (ashldi3 expander): Similarly. Update comments.
3032 (ashrdi_const, lshrdi_const): Fix indention.
3033 (ashrdi3, lshrdi3): FIx indention. Update comments.
3035 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3037 * emit-rtl.c (try_split): Don't try to split non-instructions.
3039 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3041 * expr.c (emit_push_insn): Fix dumb typo.
3043 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3045 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3046 transformations that we have performed earlier.
3047 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3049 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3050 handling, call gen_label_rtx instead.
3052 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3054 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3056 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3057 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3058 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3059 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3060 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3062 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3064 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3065 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3066 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3067 * configure: Regenerate.
3069 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3071 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3073 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3075 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3077 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3079 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3080 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3081 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3082 (move_by_pieces): Use new macros.
3083 (emit_block_move): Use new macros.
3084 (clear_by_pieces): Use new macros.
3085 (clear_storage): Use new macros.
3086 (emit_push_insn): Use new macros.
3087 (expand_expr): Use new macros.
3088 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3090 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3091 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3092 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3093 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3094 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3095 USE_STORE_PRE_DECREMENT): Describe new macros.
3097 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3099 * varasm.c (output_constant_pool): Use floor_log2 instead of
3100 exact_log2 for ASM_OUTPUT_ALIGN.
3102 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3104 * emit-rtl.c (operand_subword): Handle case when a subword outside
3107 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3110 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3112 * cse.c (fold_rtx): Revert 29 Dec change.
3113 (cse_insn): Revert 12 Jan change.
3114 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3115 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3116 * rtl.def: Likewise.
3117 * rtl.h (CONSTANT_P): Likewise.
3119 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3121 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3122 * alpha.c (input_operand): Likewise.
3123 * c4x.c (const_operand): Likewise.
3125 * explow.c (allocate_dynamic_stack_space): Use register_operand
3126 instead of arith_operand, which does not exist.
3128 * 1750a.h: Fix comment closure.
3129 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3130 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3131 * arm.h (TARGET_SWITCHES): Fix typo.
3132 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3133 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3134 (output_delay_insn): Likewise.
3135 * m88k.md (anon rotate insns): Fix set mode mismatch.
3136 (anon BLKmode moves): Commonize and fix set mode mismatches.
3137 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3138 * romp.md (movdf): Fix typo.
3140 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3142 * Makefile.in (install-common): Remove extraneous chmod for gcov
3145 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3147 * function.c (assign_parms): Save and restore setting of
3150 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3152 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3153 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3155 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3157 * recog.c (pop_operand): New function.
3158 * recog.h (pop_operand): Declare it.
3159 * genrecog.c (preds): Define it.
3161 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3162 emitting multiple jump instructions.
3163 * jump.c (condjump_label): New function.
3164 * rtl.h (condjump_label): Declare it.
3166 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3168 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3169 clobber during or after reload.
3171 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3173 * genoutput.c (name_for_index): New function.
3174 (scan_operands, validate_insn_alternatives): Use it.
3175 * genrecog.c (insn_name_ptr_size): New variable.
3176 (make_insn_sequence): Fill in insn_name_ptr.
3177 (merge_trees): Use it.
3179 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3181 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3182 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3183 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3185 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3187 * loop.c (NUM_STORES): Delete.
3188 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3189 (prescan_loop): Properly initialize loop_mems_idx.
3190 (note_addr_stored): Simplify using list structure instead of
3192 (invariant_p, check_dbra_loop, load_mems): Similarly.
3194 * flow.c (invalidate_from_autoinc): New function.
3195 (mark_set_1, mark_used_regs): Use it.
3197 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3199 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3201 * invoke.texi (-mlong-double-64): New option description.
3203 1999-01-19 Jim Wilson <wilson@cygnus.com>
3205 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3206 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3207 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3209 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3210 (CPP_SPECS): Add -mlong-double-64 support.
3211 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3212 (TARGET_SWITCHES): Add -mlong-double-64 support.
3213 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3214 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3215 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3216 (CPP_SPECS): Add -mlong-double-64 support.
3217 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3218 (MULTILIB_DIRNAMES): Add ld64.
3219 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3221 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3223 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3224 invisible reference.
3226 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3228 * rs6000.c (offsettable_addr_operand): Delete.
3229 (offsettable_mem_operand): New function.
3230 * rs6000.h (PREDICATE_CODES): Reflect function change.
3231 (RS6000_SAVE_TOC): Represent address as MEM.
3232 * win-nt.h (RS6000_SAVE_TOC): Same.
3233 * rs6000.md (indirect calls): Change offsettable address parameter
3234 to offsettable memory parameter.
3236 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3238 * rtl.h (rtx_def): Update documentation.
3239 (MEM_IN_STRUCT_P): Likewise.
3240 (MEM_SCALAR_P): New macro.
3241 (MEM_COPY_ATTRIBUTES): Likewise.
3242 (MEM_SET_IN_STRUCT_P): Likewise.
3243 * rtl.texi (MEM_SCALAR_P): Document.
3244 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3245 (fixed_scalar_and_varying_struct_p): New function. Use
3246 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3247 (aliases_everything_p): Likewise.
3248 (true_dependence): Use them.
3249 (write_dependence_p): New function, containing code common to
3250 anti_dependence and output_dependence.
3251 (anti_dependence): Use it.
3252 (output_dependence): Likewise.
3253 * calls.c (save_fixed_argument_area): Don't clear
3255 (expand_call): Use MEM_SET_IN_STRUCT_P.
3256 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3257 (emit_library_call_value): Likewise.
3258 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3259 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3260 (make_extraction): Likewise.
3261 (simplify_shift_const): Likewise.
3262 (gen_lowpart_for_combine): Likewise.
3263 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3264 * emit-rtl.c (operand_subword): Likewise.
3265 (change_address): Likewise.
3266 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3267 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3268 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3269 (copy_blkmode_from_reg): Likewise.
3270 (store_field): Likewise.
3271 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3272 heuristically. Use MEM_SET_IN_STRUCT_P.
3273 (get_memory_rtx): Likewise.
3274 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3275 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3276 MEM_ALIAS_SET on newly returned MEMs.
3277 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3278 (put_reg_into_stack): Likewise.
3279 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3280 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3281 (assign_parms): Likewise.
3282 (expand_function): Likewise.
3283 * integrate.c (expand_inline_function): Likewise.
3284 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3285 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3286 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3287 * print-rtl.c (print_rtx): Print /f for frame_related.
3288 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3289 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3290 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3291 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3292 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3293 (output_constant_def): Likewise.
3294 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3296 (a29k_set_memflags): Use it.
3297 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3298 * c4x.c (c4x_scan_for_ld): Likewise.
3299 * h8300.c (fix_bit_operand): Likewise.
3300 * m88k.c (legitimize_address): Likewise.
3301 (block_move_loop): Likewise.
3302 (block_move_no_loop): Likewise.
3303 (block_move_sequence): Likewise.
3304 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3305 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3306 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3307 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3308 * arm.h (arm_gen_load_multiple): Take scalar_p.
3309 (arm_store_load_multiple): Likewise.
3310 * arm.c (arm_gen_load_multiple): Likewise.
3311 (arm_gen_store_multiple): Likewise.
3312 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3314 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3316 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3317 calls within a libcall block to indicate no throws are possible.
3318 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3319 libcall blocks. Don't add edges to exception handlers if we see
3320 a REG_EH_REGION note with a value of 0.
3321 (make_edges): Override active_eh_region vector if the call has a note
3322 indicating the call does not throw.
3324 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3326 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3328 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3330 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3332 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3334 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3336 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3338 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3339 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3342 1999-01-18 Michael Meissner <meissner@cygnus.com>
3344 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3345 supported with -mcpu=xxx.
3346 (processor_type): Add PROCESSOR_PPC750.
3347 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3348 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3349 (rs6000_adjust_priority): Add declaration.
3351 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3352 processor type as 750, not 603. Allow -mmultiple and -mstring on
3353 little endian 750 systems.
3354 (rs6000_adjust_priority): Stub for now.
3355 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3357 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3359 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3361 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3363 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3364 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3366 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3369 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3371 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3373 * config/mips/mips.md (div_trap): Split div_trap_mips16
3375 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3377 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3379 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3380 Instead of writing to const char *buf directly, use a non-const
3381 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3383 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3386 * dyn-string.c (dyn_string_append): Likewise.
3388 * dyn-string.h (dyn_string_append): Likewise.
3390 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3392 * output.h (end_final, output_operand_lossage, asm_fprintf,
3393 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3396 * profile.c (init_branch_prob): Likewise.
3398 * toplev.c (set_target_switch, vmessage,
3399 v_message_with_file_and_line, v_message_with_decl,
3400 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3401 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3402 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3403 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3404 open_dump_file, dump_rtl, clean_dump_file,
3405 print_version, print_single_switch, print_switch_values,
3406 dump_base_name, debug_args, lang_independent_options,
3407 user_label_prefix, documented_lang_options, target_switches,
3408 target_options, print_time, pfatal_with_name, fatal_io_error,
3409 fatal_insn, default_print_error_function, print_error_function,
3410 report_error_function, error_with_file_and_line, error_with_decl,
3411 error_for_asm, error, fatal, warning_with_file_and_line,
3412 warning_with_decl, warning_for_asm, warning, pedwarn,
3413 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3414 really_sorry, botch, output_quoted_string, output_file_directive,
3415 open_dump_file, rest_of_decl_compilation, display_help, main):
3418 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3419 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3420 warning_with_file_and_line, error_with_file_and_line, sorry,
3421 really_sorry, default_print_error_function, report_error_function,
3422 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3423 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3424 output_file_directive, botch): Likewise.
3426 * tree.h (make_decl_rtl): Likewise.
3428 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3429 make_decl_rtl): Likewise.
3431 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3433 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3434 directory logically rather than physically.
3436 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3438 * loop.c (insert_bct): Hide the definition of variables
3439 `increment_direction', `compare_direction', `add_iteration' and
3442 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3443 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3444 (mode_independent_operand): Mark label `lose' with
3445 ATTRIBUTE_UNUSED_LABEL.
3447 * regclass.c (n_occurrences): Remove prototype and definition.
3449 * reload.c (find_reloads_address_1): Mark variable `tem' with
3452 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3454 * sbitmap.c (sbitmap_copy): Likewise.
3456 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3458 * toplev.c (output_lang_identify): Mark prototype with
3461 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3462 (make_tree_vec): Likewise.
3465 * varasm.c (assemble_static_space): Mark variable `tem' with
3468 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3470 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3471 (install-common): Use it.
3472 (uninstall): Use it.
3473 (uninstall): Use correct names for protoize and unprotoize.
3475 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3476 Jeffrey A Law (law@cygnus.com)
3478 * flow.c (last_mem_set): Delete variable. References removed.
3479 (mem_set_list): New variable.
3480 (life_analysis): Initialize and finalize alias analysis.
3481 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3482 (insn_dead_p): For a store to memory, search the entire mem_set_list
3484 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3485 changes to their addresses. Add new entries to the mem_set_list for
3486 memory writes writes.
3487 (mark_used_regs): Kill entries on the mem_set_list which may be
3488 referenced by a load operation.
3490 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3492 * alias.c (base_alias_check): Add missing return for differing
3495 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3497 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3498 missing local symbols.
3500 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3502 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3504 * system.h (bcopy): Implement with memmove not memcpy.
3506 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3508 * Makefile.in (cppulp.o): Add dependencies.
3510 * i386.md (integer conditional moves): Add missing earlyclobbers.
3512 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3513 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3514 where a register is live.
3516 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3518 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3519 of a FP conditional move is not on the FP register stack.
3521 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3523 * version.c: Bump for snapshot.
3525 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3527 * reload1.c (reload_cse_regs_1): Do not call
3528 reload_cse_simplify_operands for an insn with asm operands.
3530 * cccp.c (print_help): Fix typos.
3531 * cpplib.c (print_help): Fix typos.
3532 * toplev.c (f_optiosn): Fix typos.
3533 (documented_lang_options): Fix typos.
3535 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3537 * gcc.c: (do_spec_1): Fix obvious typo.
3539 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3541 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3542 a non-static function declaration follows a static one.
3544 * invoke.texi (-Wtraditional): Document the extra check now done
3547 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3549 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3550 needed without the addition.
3552 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3554 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3556 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3558 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3560 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
3562 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3563 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3564 non_add_cint_operand, non_logical_cint_operand): Likewise.
3565 (get_issue_rate): Add CPU_PPC604E case.
3566 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3568 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3570 * expr.c (queued_subexp_p): Make public.
3571 * expr.h (queued_subexp_p): Declare it.
3572 * recog.c (asm_operand_ok): New function.
3573 (check_asm_operands): Use it. After reload, use constrain_operands
3575 * recog.h (asm_operand_ok): Declare it.
3576 * stmt.c (expand_asm_operands): Use it to try harder to make
3577 asms initially satisfy their constraints.
3579 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3581 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3582 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3584 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3586 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3587 in delay slot of RPTBD.
3589 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3591 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3592 divide and modulo sign problem.
3594 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3596 * unroll.c (loop_iterations): Return 0 if the last loop insn
3597 is not a jump insn or if the loop has multiple back edges.
3599 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3601 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3602 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3604 * configure: Regenerate using autoconf.
3606 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3608 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3610 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3611 a register with another DEST_ADDR giv if the address is not valid.
3613 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3614 around the call to mcount.
3616 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3618 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3619 generating non-canonical rtl.
3621 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3623 * config/i960/i960.c (i960_output_move_double_zero,
3624 i960_output_move_quad_zero): New functions for moving zeros.
3625 (i960_output_move_double, i960_output_move_quad): Additional code
3626 for situation when moving unaligned register group.
3628 * config/i960/i960.h (i960_output_move_double_zero,
3629 i960_output_move_quad_zero): The function definitions.
3631 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3633 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3635 * config/i960/i960.c (i960_function_prologue): New code (optimal
3636 solution) for saving global registers in local registers.
3637 (form_reg_groups, reg_group_compare, split_reg_group): New
3638 functions used by the code.
3639 (reg_group): New structure definition for the new code.
3641 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3643 * fixinc/fixincl.c (create_file): Pass file creation mask as
3644 third parameter to "open". Use O_TRUNC flag to open instead of
3645 explicitly unlink'ing the file.
3646 (process): and forget about the "chmod" stuff.
3648 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3650 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3651 and substitute. Copy the return value from there into a new pseudo.
3653 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3655 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3656 before generating a call to abort for volatile functions.
3657 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3658 (TARGET_ABORT_NORETURN): Define.
3659 (abort-on-noreturn): New option.
3661 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3663 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3664 and binarycc operations in 3rd annulled delay slot!
3666 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3668 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3669 before generating a call to abort for volatile functions.
3670 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3671 (TARGET_ABORT_NORETURN): Define.
3672 (abort-on-noreturn): New option.
3674 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3676 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3677 Remove prototype which we get from libiberty.h.
3679 * collect2.c (xstrdup): Likewise.
3681 * genextract.c (xstrdup): Likewise for `copystr'.
3682 (mybzero): Remove it and use `memset' instead.
3684 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3685 to use `memcpy' and `memset' instead.
3687 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3688 changed. Remove prototype.
3689 (mybcopy, mybzero): Remove these and use memcpy/memset.
3691 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3693 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3694 generating code for TARGET_64BIT.
3696 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
3698 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3699 HOST_WIDE_INT word-size.
3700 (rs6000_stack_info): Remove redundant alignment of fpmem.
3702 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3704 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3705 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3706 (input_operand): Adjust CONSTANT_P_RTX handling.
3707 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3708 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3709 (movhi, movqi): Remove CONSANT_P_RTX handling.
3710 (movdi): Adjust CONSTANT_P_RTX handling.
3712 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3714 * configure: Regenerate using autoconf.
3716 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3717 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3718 (process): "fchmod" isn't available on all systems, use "chmod"
3720 * fixinc/server.c: Add #include <sys/types.h>.
3721 (STDIN_FILENO): Add default definition if no include file defines
3723 (STDOUT_FILENO): Likewise.
3725 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3727 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3729 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3731 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3732 ensure all prototypes necessary for building libio will be available.
3733 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3734 definitions here as they are not host specific.
3735 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3737 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3739 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3741 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3743 * version.c: Bump for snapshot.
3745 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3747 * rtl.c (rtx_alloc): Use memset instead of inline loop.
3749 * recog.h (recog_op_alt): Declare extern.
3751 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
3753 * function.c (purge_addressof_1): If the note accesses a mem+addressof
3754 in a wider mode than any replacement, adjust the cached replacement.
3755 Cache trivial substitutions as well.
3757 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
3759 * Makefile.in (OBJECTS): Add sbitmap.o.
3760 (BASIC_BLOCK_H): Add sbitmap.h.
3761 * basic-block.h: Move simple bitmap code to sbitmap.h.
3762 * flow.c: Move simple bitmap code to sbitmap.c
3763 * sbitmap.h, sbitmap.c: New files.
3765 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
3767 * alpha.h (TARGET_SWITCHES): Document switches.
3768 (TARGET_OPTIONS): Likewise.
3770 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
3772 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
3774 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
3776 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3778 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
3779 (basic_block_end): Rename to x_basic_block_end.
3780 (BLOCK_HEAD, BLOCK_END): Update.
3782 * caller-save.c: Change basic_block_head/end references to
3784 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
3785 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
3786 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
3788 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3790 * gcc.c (xstrerror): Renamed from my_strerror. All callers
3791 changed. Remove prototype since we get that from libiberty.h.
3793 * protoize.c (xstrerror): Likewise.
3795 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3797 * gcc.c (read_specs): Ensure format specifiers match their arguments.
3799 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
3801 * tree.c (copy_node): Oops. That would be copy not zero
3802 in that last change.
3804 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3806 * config/c4x/c4x.c: Include system.h.
3807 (c4x_caller_save_map): Disable caller save for RC.
3808 (c4x_optimization_options): Disable scheduling before reload.
3809 (valid_parallel_load_store) : Define return type as int.
3810 Remove unused variable regs.
3811 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3813 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3815 (*db, decrement_and_branch_until_zero): Fix up constraints
3816 to keep reload happy.
3818 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3820 * tree.c (make_node): Call bzero instead of inline clear.
3821 (copy_node, make_tree_vec, build1): Likewise.
3822 (get_identifier): Call strlen instead of inline count.
3823 (maybe_get_identifier): Likewise.
3825 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3827 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3828 operations in 3rd annulled delay slot.
3829 (*lshrqi3_const_set): Disallow c constraint for operand0.
3830 (modhi3+1, modhi3+2): Set attribute type to multi.
3831 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3834 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 * gansidecl.h: Allow attribute unused on labels only when we are
3837 version 2.93 or higher. Not all versions of 2.92 have this feature.
3839 * version.c: Bump minor number to 93.
3841 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3843 * config/m68k/m68k.h: Declare output_function_epilogue.
3844 * recog.h: Declare next_insn_tests_no_inequality.
3846 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3848 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3849 (expand_return): Use optimize_tail_recursion.
3850 * tree.h (optimize_tail_recursion): Declare.
3852 * toplev.c (compile_file): Move call to output_func_start_profiler
3853 to after the loop to emit deferred functions.
3855 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3857 * system.h (abort): Supply more detailed information on how to
3858 report an Internal Compiler Error.
3860 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
3862 * fixinc/fixincl.c (*): more decapitalization of variables
3863 plus some explanitory comments
3865 * fixinc/Makefile.in fixinc/mkfixinc.sh:
3866 When the fixincl program does not work for a certain system,
3867 we substitute a shell script. Added user commentary when
3870 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
3872 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
3873 allocate memory that will live beyond this function.
3874 (expand_call): Free it here.
3876 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
3878 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
3879 integer data not destined for fp regs.
3880 (LEGITIMIZE_RELOAD_ADDRESS): New.
3882 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
3883 Richard Henderson <rth@cygnus.com>
3885 Support for Hypersparc and Sparclite86x:
3886 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
3887 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
3888 (ASM_CPU32_DEFAULT_SPEC): Likewise.
3889 (TARGET_CPU_DEFAULT): Likewise.
3890 (enum processor_type): Likewise.
3891 (CPP_ENDIAN_SPEC): Handle little endian data.
3892 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
3893 (ADJUST_COST): Call sparc_adjust_cost.
3894 * sparc.c (sparc_override_options): Fix up for the new targets.
3895 (supersparc_adjust_cost): Make static.
3896 (hypersparc_adjust_cost): New.
3897 (ultrasparc_adjust_cost): Make static.
3898 (sparc_adjust_cost): New.
3899 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
3900 (function_unit): Add hypersparc scheduling rules.
3902 * configure.in (with_cpu handler): Recognize hypersparc.
3904 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3906 * config/c4x/c4x.c: Added space after negation operator.
3907 * config/c4x/c4x.h: Likewise.
3908 * config/c4x/c4x.md: Likewise.
3910 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3912 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
3914 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3916 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
3917 when a test can't be performed due to limited width of
3918 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
3919 Fix UDIV case for cases where the first operand has the highest bit
3922 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
3924 * pa.h (reg_class): Add FPUPPER_REGS.
3925 (REG_CLASS_NAMES): Similarly.
3926 (REG_CLASS_CONTENTS): Similarly
3927 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
3928 (FP_REG_CLASS_P): Likewise.
3929 (REG_CLASS_FROM_LETTER): Similarly.
3930 (CLASS_MAX_NREGS): Similarly.
3932 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
3934 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
3935 for a typedef of bool. Make sure to have a copy of the file is
3936 in place before we look to fix it. Fix typo in variable name to
3939 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
3941 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
3942 value_mode for the return mode.
3944 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
3946 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
3947 debugging as default.
3949 * config/tm-dwarf2.h: New file.
3951 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
3953 * h8300.h (ASM_OUTPUT_LABELREF): Define.
3955 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
3956 * local-alloc.c (update_equiv_regs): Corresponding changes.
3957 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
3959 * calls.c (special_function_p): Push alloca test inside the large
3960 conditional which excludes functions not at file scope or not
3963 * calls.c (special_function_p): New function broken out of
3965 (precompute_register_parameters): Likewise.
3966 (store_one_arg): Likewise.
3967 (store_unaligned_argumetns_into_pseudos): Likewise.
3968 (save_fixed_argument_area): Likewise.
3969 (restore_fixed_argument_area): Likewise.
3970 (expand_call): Corresponding changes.
3972 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3974 * config/c4x/c4x.md (addqi3): If the destination operand is
3975 a hard register other than an extended precision register,
3976 emit addqi3_noclobber.
3977 (*addqi3_noclobber_reload): New pattern added so that reload
3978 will recognise a store of a pseudo, equivalent to the sum
3979 of the frame pointer and a constant, as an add insn.
3981 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
3983 * fixinc/fixincl.c: Re-indent according to the GNU standards.
3984 fixinc/server.c: Likewise.
3985 fixinc/server.h: Likewise.
3987 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3989 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
3991 (const_sint32_operand): Likewise.
3993 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3995 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
3996 is a macro when deciding if we can use `jmp_buf' in prototypes.
3998 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
4000 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4001 * configure: Rebuilt.
4002 * i386/xm-go32.h: Define LIBSTDCXX.
4004 * i386/go32.h (MD_EXEC_PREFIX): Define.
4005 (FILE_NAME_ABSOLUTE_P): Define.
4006 (LINK_COMMAND_SPEC): Define.
4008 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4010 * expr.c (store_expr): If the lhs is a memory location pointed
4011 to be a postincremented (or postdecremented) pointer, always
4012 force the rhs to be evaluated into a pseudo.
4014 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4016 * real.c (mtherr): Print more reasonable warning messages.
4018 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4020 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4022 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4023 (new_include_prefix): Constify char* parameters.
4025 * cppfiles.c (read_name_map): Likewise.
4026 (append_include_chain): Likewise. Also, use a writable char* copy
4027 of parameter `dir' which we then modify, rather than using the
4028 parameter itself to store the new writable string.
4029 (remap_filename): Constify some variables. Also, use a writable
4030 char* to store an allocated string which we will be modifying.
4032 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4033 (cpp_start_read): Constify variable `str'.
4035 * cpplib.h (append_include_chain): Constify a char* parameter.
4037 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4038 (add_prefix, save_string): Constify char* parameters.
4039 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4041 * prefix.c: Include prefix.h.
4042 (get_key_value, translate_name, save_string, update_path,
4043 set_std_prefix): Constify various char* parameters and variables.
4044 (save_string): Use xmalloc, not malloc.
4045 (translate_name): Use a writable temporary variable to create and
4046 modify a string before setting it to a const char*.
4048 * prefix.h: New file to prototype functions exported from prefix.c.
4050 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4052 * fixinc/fixincl.c (various): added debug code so
4053 Manfred can trace the processing.
4055 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4056 struct utsname on Ultrix V4.[35].
4058 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4060 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4062 * cpplib.c (skip_if_group): Split out the logic that handles
4063 directive recognition to its own function. Don't use
4064 parse markers; use a bare pointer into the buffer. Use
4065 copy/skip_rest_of_line instead of doing it by hand. Remove
4066 `return on any directive' mode which was never used, and take
4068 (consider_directive_while_skipping): New function, subroutine
4069 of skip_if_group. Logic streamlined a bit.
4070 (conditional_skip, do_elif, do_else): Call skip_if_group with
4073 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4075 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4078 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4080 * extend.texi (Bound member functions): Document.
4082 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4084 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4085 lang_to_string, type_to_string): Make return type const char*.
4086 (print_symbol): Apply `const' keyword to a char*.
4087 (print_file_desc): Cast structure member `crfd' to ulong when
4088 comparing against one.
4090 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4091 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4092 (progname, input_name): Apply `const' keyword to a char*.
4093 Don't redundantly include sys/stat.h.
4094 (alloc_info): Apply `const' keyword to a char*.
4095 (st_to_string, sc_to_string): Likewise.
4096 (hash_string): Cast variable `hash_string' to a symint_t when
4097 comparing against one.
4098 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4099 Likewise cast it to long when comparing against one.
4100 (add_local_symbol): Apply `const' keyword to a char*.
4101 (add_ext_symbol): Likewise.
4102 (add_unknown_tag): Likewise.
4103 (add_procedure): Cast a printf-style field width to an int.
4104 (add_file): Cast PAGE_USIZE to long when comparing against one
4105 (parse_begin): Cast a printf-style field width to an int.
4106 (parse_bend): Likewise.
4107 (parse_def): Likewise.
4108 (parse_end): Likewise.
4109 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4110 (parse_stabs_common): Fix format specifier.
4111 (parse_input): Change type of variable `i' to Size_t.
4112 (write_object): Fix arguments to match format specifiers.
4113 Cast variable `num_write' to long when comparing against one.
4114 (read_seek): Cast variable `sys_read' to symint_t when comparing
4115 against one. Fix arguments to match format specifiers. Cast
4116 variable `size' to long when comparing against one.
4117 (copy_object): Cast result of `sizeof' to int when comparing
4118 against one. Fix arguments to match format specifiers. Cast
4119 variable `ifd' to long when comparing against a signed value.
4122 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * c-common.c (decl_attributes): Allow applying attribute `unused'
4127 * c-parse.in (label): Parse attributes after a label, and call
4128 `decl_attributes' to handle them.
4130 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4132 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4133 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4135 * invoke.texi: Note that labels can be marked `unused'.
4137 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4139 * version.c: Bump for snapshot.
4141 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4143 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4144 RTL for a compare/jump sequence.
4146 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4148 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4149 for a target with HAVE_cc0 defined.
4150 (emit_cmp_and_jump_insns): New function.
4151 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4152 * loop.c (check_dbra_loop): Use it to replace calls
4153 to emit_cmp_insn and emit_jump_insn and to canonicalise
4154 the comparison if necessary.
4155 * unroll.c (unroll_loop): Likewise.
4157 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4159 * fixincludes (sys/utsname.h): Provide forward declaration of
4160 struct utsname on Ultrix V4.[35].
4162 * mips.md (div_trap): Use local labels instead of dot-relative
4165 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4167 * pa.md (branch, negated branch): Handle (const_int 0) as first
4169 * pa.c (output_cbranch): Likewise.
4171 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4173 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4176 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4178 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4180 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4182 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4184 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4186 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4187 (adddi_dishl32): Similarly.
4189 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4190 for each insn in the skipped block.
4192 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4193 constraints after replacing a register address with an autoincrement
4194 address for reload inheritance purposes.
4196 * i386.md (doubleword shifts): Avoid namespace pollution.
4198 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4200 * configure.in (FreeBSD ELF): Needs special crt files.
4202 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4204 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4206 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4208 * loop.c (check_dbra_loop): While reversing the loop, if the
4209 comparison value has a VOID mode use the mode of the other operand
4210 to compute the mask.
4212 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4214 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4215 avoid warnings in compiling explow.c.
4217 (patch from Ken Raeburn, raeburn@cygnus.com)
4218 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4219 fpmem_offset. Compute total size after that, and then
4220 rs6000_fpmem_offset using both values.
4222 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4224 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4225 the future; indeed that already happens in some cases.
4227 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4229 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4230 (arith_operand): Remove constant_p_rtx handling.
4231 (const64_operand, const64_high_operand): Likewise.
4232 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4233 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4234 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4235 * sparc.h (PREDICATE_CODES): Likewise.
4237 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4239 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4241 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4242 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4243 consider constant CONSTRUCTOR constant and to defer some cases
4245 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4246 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4248 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4250 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4251 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4253 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4254 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4255 (sext_add_operand, and_operand, or_operand): Likewise.
4256 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4257 * alpha.h (PREDICATE_CODES): Likewise.
4259 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4261 * version.c: Bump for snapshot.
4263 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4265 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4266 of dangerous casts and stores.
4268 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4270 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4272 * alpha.md (builtin_longjmp): Add missing "DONE".
4274 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4276 * gcc.c (execute): Enable -pipe with win32.
4278 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4280 * config/arm/t-arm-elf: Add multiplib option for leading
4283 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4284 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4286 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4287 than variable 'reload_address_base_reg_class'. [Note this
4288 change is unrelated to the others in this patch].
4290 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4293 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4295 * alias.c (record_alias_subset): Remove ignored `&'.
4296 (init_alias_once): Likewise.
4298 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4300 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4301 fwrite to `int' when comparing against one.
4303 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4304 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4306 * cse.c (rehash_using_reg): Change type of variable `i' to
4309 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4310 assigning it to one.
4312 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4314 * final.c (final_scan_insn): Likewise for variable `i'.
4315 (output_asm_insn): Cast a char to unsigned char when used as an
4318 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4319 assigning it to one.
4321 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4323 * recog.c (preprocess_constraints): Cast a char to unsigned char
4324 when used as an array index.
4326 * regmove.c (find_matches): Likewise.
4328 * reload1.c (calculate_needs): Add default case in switch.
4329 (eliminate_regs_in_insn): Initialize variable `offset'.
4330 (set_offsets_for_label): Change type of variable `i' to unsigned.
4331 (reload_as_needed): Wrap variable `i' in macro check on
4332 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4334 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4335 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4336 when comparing against one.
4338 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4339 unsigned when comparing against one. Likewise for
4340 GET_MODE_ALIGNMENT().
4341 (layout_record): Cast record_align to int when comparing against a
4343 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4346 * tree.c (get_identifier): Cast variable `len' to unsigned when
4347 comparing against one.
4348 (maybe_get_identifier): Likewise
4350 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4352 * toplev.c (rest_of_compilation): Do not set reload_completed.
4353 * reload1.c (reload): Set reload_completed before calling
4354 cleanup_subreg_operands.
4356 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4358 * reload1.c (emit_reload_insns): Check `set' not null before use.
4360 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4362 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4365 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4367 * halfpic.c (half_pic_encode): Delete redundant code.
4369 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4371 * toplev.c (main): Delete handling of -dM as a preprocessor
4374 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4376 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4377 -dI, which are handled by the preprocessor.
4379 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4381 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4382 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4384 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4386 * version.c: Bump for snapshot.
4388 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4390 * version.c: Bump for snapshot.
4392 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4394 * version.c: Bump for snapshot.
4396 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4398 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4400 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4401 write_unit_name, write_eligible_delay, expand_units,
4402 make_length_attrs, write_attr_case, find_attr,
4403 make_internal_attr): Likewise.
4404 * gencheck.c (tree_codes): Likewise.
4405 * gencodes.c (fatal): Likewise.
4406 * genconfig.c (fatal): Likewise.
4407 * genemit.c (fatal): Likewise.
4408 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4409 * genflags.c (fatal): Likewise.
4410 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4411 * genoutput.c (fatal, error, predicates): Likewise.
4412 * genpeep.c (fatal): Likewise.
4413 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4414 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4416 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4418 * configure.in (with-fast-fixincludes): Fix whitespace.
4419 * configure: Rebuilt.
4421 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4422 asm() etc. function declarations in __DECC.
4424 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4426 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4427 is a pseudo register.
4429 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4431 * gcse.c: Include expr.h in order to get the prototype for
4432 get_condition() which is used in delete_null_pointer_checks().
4434 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4436 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4438 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4440 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4441 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4443 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4445 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4448 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4450 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4451 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4452 optimizations from the combiner.
4454 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4456 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4458 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4460 * toplev.c (main): Disable optimize_size if a specific
4461 optimization level is requested. Always set optimization
4462 level to 2 if -Os is specified.
4464 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4466 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4468 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4469 initialize it using fname.
4471 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4473 * cpplib.c (do_include): Treat #include_next in the
4474 primary source file as #include plus warning. Treat
4475 #include_next in a file included by absolute path as an
4476 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4478 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4480 * cccp.c: Don't define MIN/MAX anymore.
4481 * cpplib.c: Likewise.
4482 * machmode.h: Likewise.
4483 * system.h: Provide definitions for MIN/MAX.
4485 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4487 * fix-header.c: Don't define xstrdup here.
4489 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4491 * loop.c (consec_sets_giv): New argument last_consec_insn.
4492 (strength_reduce): Provide / use it.
4494 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4496 * loop.h (loop_info): New field 'vtop'.
4497 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4498 scanning loop for vtop.
4499 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4500 (loop_iterations): Use them to determine if loop has a constant
4501 number of iterations. Set loop_info->vtop. Don't subtract
4502 common reg term from initial_value and final_value if have a
4505 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4507 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4509 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4511 * mn10200.md (abssf2, negsf2): New expanders.
4513 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4515 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4517 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4518 replaced by a CONCAT whoes components do not have the same
4519 mode as the original SUBREG, use a new SUBREG to restore the
4522 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4523 multiword complex values.
4525 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4527 * cppalloc.c: Add xstrdup here.
4528 * cpplib.h: Remove savestring prototype.
4529 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4531 * cppfiles.c: s/savestring/xstrdup/ throughout.
4533 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4535 * cpplib.c: Make all directive handlers read their own
4537 (struct directive): Remove last two arguments from FUNC
4538 member prototype. Remove `command_reads_line' member
4540 (directive_table): Remove initializations of
4541 command_reads_line flag. Pretty-print.
4542 (eval_if_expression, do_define, do_line, do_include,
4543 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4544 do_else, do_elif, do_sccs, do_assert, do_unassert,
4545 do_warning): Take only two args.
4547 (cpp_define): Call do_define with two args and the text to
4548 define stuffed into a buffer.
4549 (make_assertion): Call do_assert with two args.
4550 (handle_directive): Call do_line with two args. Call
4551 kt->func with two args. Remove command_reads_line
4553 (do_define, do_undef, do_error, do_warning, do_pragma,
4554 do_sccs): Read the rest of the line here.
4555 (do_ident): Gobble rest of line, as cccp does.
4556 (cpp_undef): New function.
4557 (cpp_start_read): Call cpp_undef instead of do_undef.
4559 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4561 * cpphash.h (union hash_value): Remove `keydef' member, add a
4562 `struct hashnode *aschain' member for #assert.
4564 * cpplib.c (struct tokenlist_list, struct
4565 assertion_hashnode): Delete structure definitions.
4566 (assertion_install, assertion_lookup, delete_assertion,
4567 check_assertion, compare_token_lists, reverse_token_list,
4568 read_token_list, free_token_list): Delete functions.
4569 (parse_assertion): New function.
4570 (cpp_cleanup): Don't destroy the assertion_hashtable.
4572 (do_assert): Gut and rewrite. #assert foo (bar) places
4573 entries for `#foo' and `#foo(bar)' in the macro hash table,
4574 type T_ASSERT. The value union's `aschain' member is used
4575 to chain all answers for a given predicate together.
4576 (do_unassert): Also rewritten. Take an un-asserted
4577 answer off the chain from its predicate and call
4578 delete_macro on the hashnode, or walk a predicate chain
4579 calling delete_macro on all the entries.
4580 (cpp_read_check_assertion): Simply call parse_assertion to
4581 get the canonical assertion name, and look that up in the
4584 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4587 * cpphash.c (install): Use bcopy instead of an explicit loop
4588 to copy the macro name.
4590 * cppexp.c (cpp_lex): Convert the result of
4591 cpp_read_check_assertion to a `struct operation' directly;
4592 don't go through parse_number.
4594 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4596 * loop.h (struct induction): Delete times_used member.
4597 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4598 (n_times_used): Rename to n_times_set. Changed all users.
4599 (scan_loop): Free reg_single_usage before strength reduction.
4600 (record_giv, combine_givs): Remove handling of times_used member.
4601 (combine_givs_used_once): Rename to:
4602 (combine_givs_used_by_other) . Changed all callers.
4604 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4606 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4607 instead of TREE_CODE_CLASS == 't'.
4608 (gen_type_die): Likewise.
4609 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4611 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4613 * real.c (endian): Disable last change unless
4614 HOST_BITS_PER_WIDE_INT is greater than 32.
4616 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4618 * output.h (force_data_section): New prototype.
4619 * varasm.c (force_data_section): New function to force the
4620 data section, regardless of what in_section thinks.
4621 * dwarf2out.c (output_call_frame_info): Call force_data_section
4622 since varasm may not realize we've changes sections.
4624 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4626 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4627 after completeing reload.
4629 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4630 deleted after reload.
4632 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4634 * rtl.h (multiple_sets): Fix prototype.
4635 * rtlanal.c (multiple_sets): Fix return type.
4637 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4639 * version.c: Bump for snapshot.
4641 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4643 * version.c: Bump for snapshot.
4645 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4647 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4649 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4651 * rtl.h (recompute_reg_usage): Add second argument.
4652 * flow.c (recompute_reg_usage): Likewise.
4653 * toplev.c (rest_of_compilation): Supply second argument to
4654 recompute_reg_usage.
4656 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4659 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4661 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4662 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4663 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4666 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4668 * rtlanal.c (multiple_sets): New function.
4669 * rtl.h (multiple_sets): Declare it.
4670 * local-alloc.c (wipe_dead_reg): Use it.
4671 * global.c (global_conflicts): Likewise.
4673 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4675 * global.c (record_conflicts): Don't use an array of shorts to
4676 store an array of ints.
4677 (global_conflicts): Likewise.
4679 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4681 * alpha.c (alpha_expand_block_move): mode_for_size expects
4682 bits, not bytes. Infer extra alignment from addressof.
4684 1998-12-11 Michael Meissner <meissner@cygnus.com>
4686 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4687 .sbss section, not .sdata.
4689 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4691 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4693 * collect2.c: Likewise.
4694 * cpplib.h: Likewise.
4697 * getpwd.c: Likewise.
4698 * protoize.c: Likewise.
4699 * toplev.c: Likewise.
4701 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4702 and don't try to define it here.
4703 * Makefile.in (cppmain.o): Depend on machmode.h.
4704 (cpplib.o): Likewise.
4705 (cpperror.o): Likewise.
4706 (cppexp.o): Likewise.
4707 (cppfiles.o): Likewise.
4708 (cpphash.o): Likewise.
4709 (cppalloc.o): Likewise.
4710 (fix-header.o): Likewise.
4711 (scan-decls.o): Likewise.
4713 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4715 * sh.c (print_operand): lookup interrupt_handler attribute instead
4716 of relying on static variable.
4717 * (calc_live_regs): Likewise.
4718 * (sh_pragma_insert_attributes): Create interrupt_handler
4719 attribute if a pragma was specified
4720 * (sh_valid_machine_decl_attribute): Don't set static flag.
4721 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4723 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4725 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4726 to determine if a register is live at a jump destination.
4727 Everything is dead at a BARRIER.
4729 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4731 * cse.c (simplify_unary_operation): Sign-extend constants when
4732 they have the most significant bit set for the target.
4733 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4735 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4736 HOST_WIDE_INT temporary before negating it.
4737 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4739 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4741 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4744 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4746 * collect2.h: New header file for prototypes.
4748 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
4750 * collect2.c: Include collect2.h.
4751 * tlink.c: Likewise.
4753 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
4755 * flow.c: Update some comments.
4757 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
4759 * objc/objc-act.c (cpp_initialized): Removed.
4760 (lang_init_options): Initialize cpplib.
4761 (lang_decode_option): Move initialization of cpplib to
4763 * c-lang.c: (parse_options,parse_in): Added.
4764 (lang_init_options): Initialized cpplib here.
4765 * c-decl.c (parse_options,cpp_initialized): Removed.
4766 (c_decode_option): Move initialization of cpplib to
4769 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4771 * reload1.c (reload_combine, reload_combine_note_store):
4772 Make STORE_RUID always valid.
4773 (reload_combine): Check if BASE is clobbered too early.
4775 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
4777 * reload.c (find_reloads): Display the insn that cannot be
4780 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
4782 * cccp.c (create_definition): Fix end of bufer logic.
4784 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4786 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
4787 pointer parameters changed to use the PARAMS() macro.
4789 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4791 * except.h (struct handler_info): Add handler_number field.
4792 * except.c (gen_exception_label): EH labels no longer need to be
4793 on the permanent obstack.
4794 (get_new_handler): Set the label number field.
4795 (output_exception_table_entry): Regenerate handler label reference
4796 from the label number field.
4797 (init_eh): Remove a blank line.
4798 * integrate.c (get_label_from_map): Labels no longer need to be
4799 on the permanent obstack.
4801 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
4803 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
4804 only when OUTER_CODE is SET.
4806 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4808 * loop.c (strength_reduce): If scan_start points to the loop exit
4809 test, be wary of subversive use of gotos inside expression statements.
4810 Don't set maybe_multiple for a backward jump that does not
4811 include the label under consideration into its range.
4812 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
4814 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4816 * explow.c (plus_constant_wide): Don't immediately return with
4817 result of recursive call.
4819 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4821 * eh-common.h (struct eh_context): Add table_index for rethrows.
4823 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
4824 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
4825 processed when inlined or unrolled (ie duplicated in some way).
4827 * rtl.c (reg_note_name): Add strings for new reg_note enums.
4829 * expr.h (rethrow_libfunc): New library decl.
4831 * optabs.c (rethrow_libfunc): Initialize.
4833 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4834 (new_eh_region_entry): No longer exported from except.c.
4835 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4836 different prototype.
4837 (rethrow_symbol_map, rethrow_used): New exported functions.
4838 (eh_region_from_symbol): New exported function.
4840 * except.c (create_rethrow_ref): New function to create a single
4841 SYMBOL_REF for a rethrow region.
4842 (push_eh_entry): Initialize a rethrow ref.
4843 (func_eh_entry): Add a rethrow_label field.
4844 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4845 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4846 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4847 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4848 a region into an appropriate new symbol.
4849 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4850 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4851 (end_catch_handler): Emit a barrier for new-exceptions since
4852 control can never drop through the end of a catch block.
4853 (expand_end_all_catch): new-exceptions never fall through a catch
4855 (expand_rethrow): use __rethrow routine for new exceptions.
4856 (output_exception_table_entry): Generate rethrow labels, if needed.
4857 (output_exception_table): Generate start and end rethrow labels.
4858 (init_eh): Create rethrow symbols for beginning and end of table.
4859 (scan_region): Don't eliminate EH regions which are the targets of
4862 * flow.c (make_edges): Add different edges for rethrow calls,
4863 identified by having the REG_EH_RETHROW reg label.
4864 (delete_unreachable_blocks): Don't delete regions markers which are
4865 the target of a rethrow.
4867 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
4868 allow save_for_inline_copying to call duplicate_eh_handlers.
4869 (save_for_inline_copying): Call duplicate_eh_handlers instead of
4870 exposing internal details of exception regions.
4871 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
4872 (expand_inline_function_eh_labelmap): New callback routine to
4873 allow expand_inline_function to call duplicate_eh_handlers.
4874 (expand_inline_function): Call duplicate_eh_handlers instead of
4875 exposing internal details of exception regions.
4876 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
4879 * libgcc2.c (find_exception_handler): Generalize to enable it to
4880 pick up processing where it left off last time for a rethrow.
4881 (__unwinding_cleanup): New function. debug hook which is called before
4882 unwinding when __throw finds there is nothing but cleanups left.
4883 (throw_helper): Common parts of __throw extracted out for reuse.
4884 (__throw): Common parts moved to throw_helper.
4885 (__rethrow): New function for performing rethrows.
4887 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
4889 * reload1.c (current_function_decl): Tweak declaration.
4891 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
4893 * c-decl.c (flag_isoc9x): Default off.
4894 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
4895 * cccp.c (print_help, main): Likewise.
4896 * gcc.c (default_compilers): Update for -std=gnu*.
4898 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
4900 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
4901 * demangle.h: Deleted.
4903 * reload1.c (current_function_decl): Declare.
4905 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4907 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
4909 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4911 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
4913 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
4915 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
4917 * configure: Rebuilt.
4918 * system.h: If the *_unlocked functions are available use them
4919 instead of the locked counterparts by defining macros.
4920 * config.in: Regenerated.
4922 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
4924 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
4925 wrong and should only be used for dump related things, not
4926 debugging information, instead main_input_filename should be used.
4927 Also, reuse output_file_directive if possible.
4928 * i386/aix386ng.h (ASM_FILE_START): Likewise.
4929 * i386/isc.h (ASM_FILE_START): Likewise.
4930 * i386/win-nt.h (ASM_FILE_START): Likewise.
4931 * i386/sun386.h (ASM_FILE_START): Likewise.
4933 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
4935 * configure.in (mips*-*-linux*): Handle big and little endian
4937 * configure: Rebuilt.
4939 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
4941 * emit-rtl.c: Fix typo.
4943 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
4945 * reload1.c (eliminate_regs): Don't do anything, if we're not
4948 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
4950 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
4952 * mips/mips.c (mips_select_section): Add comment.
4954 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
4956 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
4957 characters in file names in #line to be consistent with #include
4958 handling. We support escape prcessing in the # 1 "..." version of
4959 the command. See also support in cp/lex.c.
4960 (handle_directive): Likewise.
4961 (do_line): Likewise.
4963 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4965 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
4966 so it'll work on non-ASCII platforms. Always consider $ an
4967 identifier character. Take no arguments.
4968 (cpp_reader_init): Call initialize_char_syntax with no
4970 (cpp_start_read): Don't call initialize_char_syntax again.
4971 Clear is_idchar['$'] and is_idstart['$'] if not
4972 opts->dollars_in_ident.
4974 * cpplib.h (struct cpp_reader): Replace void *data element by
4975 cpp_options *opts. Rearrange elements to make gdb printout
4976 less annoying (put buffer stack at end).
4977 (CPP_OPTIONS): Get rid of now-unnecessary cast.
4979 * cppmain.c: s/data/opts/ when initializing cpp_reader
4981 * c-decl.c: Likewise.
4982 * objc/objc-act.c: Likewise.
4983 * fix-header.c: Likewise.
4985 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4987 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
4988 with a struct file_name_list pointer.
4989 (struct cpp_reader): Add pointer to chain of `actual
4990 directory' include searchpath entries.
4991 (struct file_name_list): Add *alloc pointer for the sake of
4992 the actual-directory chain.
4994 Move definition of HOST_WIDE_INT here.
4995 (cpp_parse_escape): Change prototype to match changes in
4998 * cppfiles.c (actual_directory): New function.
4999 (finclude): Use it to initialize the buffer's actual_dir
5001 (find_include_file): We don't need to fix up max_include_len
5004 * cpplib.c (do_include): Don't allocate a file_name_list on
5005 the fly for current directory "" includes, use the one that's
5006 been preallocated in pfile->buffer->actual_dir. Hoist out
5007 duplicate code from the search_start selection logic.
5008 (cpp_reader_init): Initialize pfile->actual_dirs.
5010 Remove definition of HOST_WIDE_INT. Change calls
5011 to cpp_parse_escape to match changes in cppexp.c (note
5012 hardcoded MASK, which is safe since this is the source
5015 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5016 to handle wide character constants in #if directives. The
5017 function now returns a HOST_WIDE_INT, and takes a third
5018 argument which is a binary mask for all legal values (0x00ff
5019 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5020 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5021 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5023 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5025 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5027 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5029 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5030 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5031 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5033 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5035 * final.c (output_asm_name): Use tabs to seperate comments from
5038 Include instruction lengths (if defined) in output.
5040 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5042 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5043 in the loop_info structure.
5045 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5047 * configure.in: (arm*-*-ecos-elf): New target.
5048 * configure: Regenerated.
5049 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5050 * config/arm/ecos-elf.h: New file.
5051 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5054 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5056 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5058 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5060 * version.c: Bump for snapshot.
5062 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5064 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5067 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5069 * version.c: Bump for snapshot.
5071 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5073 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5074 compressed reports are ok and preferred over URLs
5076 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5078 * invoke.texi (Warning Options): Soften the tone of -pedantic
5080 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5082 * print-rtl.c (print_rtx): Add prototype.
5084 * unroll.c (iteration_info): Make it static.
5086 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5088 * alias.c (memrefs_conflict_p): A second ANDed address
5089 disables the aligned address optimization.
5091 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5093 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5096 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5098 * i960.h (BOOL_TYPE_SIZE): Define.
5100 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5102 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5103 from old valid_parallel_operands_4.
5104 (valid_parallel_operands_4): Check that operands for 4 operand
5105 parallel insns are valid, excluding load/store insns.
5106 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5107 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5108 valid_parallel_load_store instead of valid_parallel_operands_4.
5109 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5110 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5111 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5112 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5113 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5114 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5115 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5117 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5119 * config/c4x/c4x.c (iteration_info): Delete extern.
5121 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5123 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5125 * final.c (cleanup_subreg_operands): Delete some unused code.
5127 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5128 (struct insn_alternative): New structure definition.
5129 (recog_op_alt): Declare variable.
5130 (preprocess_constraints): Declare function.
5131 * recog.c (recog_op_alt): New variable.
5132 (extract_insn): Verify number of alternatives is in range.
5133 (preprocess_constraints): New function.
5134 * reg-stack.c: Include recog.h.
5135 (constrain_asm_operands): Delete.
5136 (get_asm_operand_lengths): Delete.
5137 (get_asm_operand_n_inputs): New function.
5138 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5139 N_OUTPUTS args. All callers changed.
5140 Compute number of inputs and outputs here by calling
5141 get_asm_operand_n_inputs.
5142 Instead of constrain_asm_operands, call extract_insn,
5143 constrain_operands and preprocess_constaints. Use information
5144 computed by these functions throughout.
5145 (record_reg_life): Delete code that is unused due to changes in
5146 record_asm_reg_life.
5147 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5148 N_INPUTS and N_OUTPUTS args. All callers changed.
5149 Similar changes as in record_asm_reg_life.
5150 (subst_stack_regs): Move n_operands declaration into the if statement
5152 Delete code that is unused due to changes in subst_asm_stack_regs.
5153 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5155 * Makefile.in (reg-stack.o): Depend on recog.h.
5157 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5159 * except.c (set_exception_version_code): Argument is an "int".
5161 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5163 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5164 * configure: Rebuilt.
5166 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5168 * configure.in (mipsel-*-linux*): New target.
5169 * mips/linux.h: New file, based on other Linux targets.
5171 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5173 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5174 runs in the context of the deleter, not the deletee, so we must
5175 use taskVarGet to find the correct memory to free.
5176 (__gthread_key_create): Initialize the task
5177 variable subsystem so that the task variable is still active when
5178 the delete hook is run.
5180 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5182 * pdp11.h: Use optimize_size for space optimizations.
5183 * pdp11.c: Likewise.
5184 * pdp11.md: Likewise.
5186 * pdp11.h (TARGET_40_PLUS): Fix typo.
5188 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5190 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5193 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5195 * alias.c (addr_side_effect_eval): New function.
5196 (memrefs_conflict_p): Use it.
5197 * rtl.h (addr_side_effect_eval): Prototype it.
5199 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5201 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5203 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5205 * reload.c (find_reloads): When force const to memory, put result
5206 in substed_operand not *recog_operand_loc.
5208 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5210 * c-lex.c: Fix indentation from last patch.
5211 Remove trailing whitespace.
5214 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5216 * flow.c (delete_block): Call set_last_insn after we have reset
5217 NEXT_INSN (kept_tail).
5219 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5221 * mips.md (trap_if): Use "$0" for the value zero.
5223 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5224 Stephen L Moshier <moshier@world.std.com>
5225 Richard Henderson <rth@cygnus.com>
5227 * c-common.c (declare_function_name): Declare predefinied variable
5230 * c-decl.c (flag_isoc9x): Set to 1 by default.
5231 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5232 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5234 * c-parse.in: Allow constructors in ISO C 9x.
5235 Rewrite designator list handling.
5236 Allow [*] parameters.
5237 Don't warn about comma at end of enum definition for ISO C 9x.
5239 * cccp.c (c9x): New variable.
5240 (rest_extension): New variable.
5241 (print_help): Document new -std= option.
5242 (main): Recognize -std= option. Set c9x appropriately.
5243 (create_definition): Recognize ISO C 9x vararg macros.
5245 * gcc.c (default_compilers): Adjust specs for -std options.
5246 (option_map): Add --std.
5247 (display_help): Document -std.
5249 * toplev.c (documented_lang_options): Add -std and remove
5252 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5253 or REAL_VALUE_HTOF based on base of the constants.
5254 * fold-const.c (real_hex_to_f): New function. Replacement function
5255 for hex FP conversion if REAL_ARITHMETIC is not defined.
5256 * real.c (asctoeg): Add handling of hex FP constants.
5257 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5260 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5262 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5263 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5264 expansion. Use hi/lo as destination register.
5266 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5267 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5268 Avoid as macro expansion. Use hi/lo as destination register.
5270 * mips.h (MASK_CHECK_RANGE_DIV): New.
5271 (MASK_NO_CHECK_ZERO_DIV): New.
5272 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5273 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5274 return address for leaf functions out of r31 to support
5275 builtin_return_address.
5277 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5279 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5280 NEXT_INSN(x) to check insn x.
5282 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5284 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5285 last insn in the rtl chain.
5287 * reload1.c (reload): Do not set reload_completed or split insns
5289 * toplev.c (rest_of_compilation): Set reload_completed after
5290 reload returns. Split insns after reload_cse has run.
5292 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5294 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5296 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5298 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5300 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5302 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5303 use of user-label_prefix.
5305 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5307 * reload1.c (emit_reload_insns): Clear spill_reg_store
5308 when doing a new non-inherited reload from the same pseudo.
5310 * local-alloc.c (function_invariant_p): New function.
5311 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5312 to decide if an equivalence should be recorded.
5313 * reload1.c (num_eliminable_invariants): New static variable.
5314 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5315 to decide if an equivalence should be recorded.
5317 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5318 Take num_eliminable_invariants into account when deciding
5319 if register elimination should be done.
5320 (reload_as_needed): Take num_eliminable_invariants into account
5321 when deciding if register elimination should be done.
5322 (eliminate_regs): Handle non-constant reg_equiv_constant.
5323 * rtl.h (function_invariant_p): Declare.
5325 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5327 * version.c: Bump for snapshot.
5329 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5331 * version.c: Bump for snapshot.
5333 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5335 * except.c (add_new_handler): Complain about additional handlers
5336 after one that catches everything.
5338 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5340 * configure.in (alpha*-*-netbsd): Fix typo.
5341 * configure: Rebuilt.
5343 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5345 * system.h: Include libiberty.h.
5347 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5348 function `concat' from fixed parameters to variable parameters,
5349 as is done in libiberty. All callers of concat/concat3
5350 changed to use the new `concat' with variable args.
5352 * cccp.c: Remove things made redundant by libiberty.h and/or
5353 conform to libiberty standards.
5355 * collect2.c: Likewise.
5356 * config/1750a/1750a.h: Likewise.
5357 * cppalloc.c: Likewise.
5358 * cppexp.c: Likewise.
5359 * cppfiles.c: Likewise.
5360 * cpphash.c: Likewise.
5361 * cpplib.c: Likewise.
5362 * dyn-string.c: Likewise.
5363 * fix-header.c: Likewise.
5366 * genattr.c: Likewise.
5367 * genattrtab.c: Likewise.
5368 * gencheck.c: Likewise.
5369 * gencodes.c: Likewise.
5370 * genconfig.c: Likewise.
5371 * genemit.c: Likewise.
5372 * genextract.c: Likewise.
5373 * genflags.c: Likewise.
5374 * gengenrtl.c: Likewise.
5375 * genopinit.c: Likewise.
5376 * genoutput.c: Likewise.
5377 * genpeep.c: Likewise.
5378 * genrecog.c: Likewise.
5379 * getpwd.c: Likewise.
5380 * halfpic.c: Likewise.
5382 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5383 in NEED_DECLARATION_* macros.
5385 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5386 conform to libiberty standards.
5387 (fatal): Fix const-ification of variable `format' in
5388 !ANSI_PROTOTYPES case.
5390 * prefix.c: Remove things made redundant by libiberty.h and/or
5391 conform to libiberty standards.
5393 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5394 conflicting with function `spaces' from libiberty.
5396 * profile.c: Remove things made redundant by libiberty.h and/or
5397 conform to libiberty standards.
5398 * protoize.c: Likewise.
5401 * tlink.c: Likewise.
5402 * toplev.c: Likewise.
5403 * toplev.h: Likewise.
5406 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5408 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5410 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5412 * README.C4X: Updated URLs.
5413 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5414 (valid_parallel_operands_5): Remove unused variable.
5416 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5418 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5420 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5422 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5423 which can be configured.
5424 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5425 (Makefile): Pass actual LANGUAGES through the environment when
5427 (cstamp-h): Likewise.
5428 (config.status): Likewise.
5430 * configure.in (enable_languages): Add new configuration parameter
5431 "--enable-languages=lang1,lang2,...".
5432 (${srcdir}/*/config-lang.in): Change handling to configure only
5433 those directories, that the user might have enabled; default to
5434 "all" existing languages.
5435 * configure: Regenerate.
5437 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5439 * rtlanal.c (regs_set_between_p): New function.
5440 * rtl.h (regs_set_between_p): Prototype it.
5441 * jump.c (jump_optimize): Use it instead of modified_between_p
5442 in the Sep 2 change.
5444 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5445 Matthias Pfaller <leo@dachau.marco.de>
5447 * invoke.texi (Option Summary, NS32K Options): add description
5448 of NS32K specific options.
5450 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5451 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5452 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5453 negdf2, absdf2): Use l instead of f since the double class and
5454 float class are no longer the same.
5455 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5456 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5457 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5458 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5460 (cmpsi, cmphi, cmpqi): use general_operand instead of
5461 non_immediate_operand. Removes erroneous assumption that can't
5463 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5464 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5466 (movstrsi, movstrsi1, movstrsi2): completely new block move
5468 (...): Patterns to exploit multiply-add instructions.
5469 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5470 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5471 patterns to exploit extended divide insns.
5472 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5475 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5476 float return values as well as simple scalar floats.
5477 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5478 support new flag to denote 32381 fpu.
5479 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5480 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5482 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5483 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5484 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5485 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5486 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5487 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5488 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5489 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5490 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5491 fpu registers and special register classes for new 32381
5492 instructions dotf and polyf.
5493 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5495 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5496 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5498 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5499 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5500 (REGISTER_MOVE_COST): move code to register_move_cost function for
5501 ease of coding and debugging.
5502 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5503 LONG_FLOAT_REGO is likely spilled but not caught by default
5505 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5506 instead of hard coded numbers in range check.
5507 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5508 (...): Add prototypes for functions in ns32k.c but disable because
5509 of problems when ns32k.h is included in machine independant files.
5511 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5512 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5513 hard_regno_mode_ok, secondary_reload_class,
5514 print_operand, print_operand_address): new register scheme to
5515 include 32381 fpu registers and special register classes for new
5516 32381 instructions dotf and polyf.
5517 (gen_indexed_expr): Make static to keep namespace clean.
5518 (check_reg): remove since never called.
5519 (move_tail, expand_block_move): helper functions for "movstrsi"
5521 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5522 Increase cost of moves which go via memory.
5523 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5524 (CPP_PREDEFINES): nolonger predefine "unix".
5526 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5527 Remove erroneous %$. print_operand() can work out from the rtx is
5528 an immediate prefix is required.
5530 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5531 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5532 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5534 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5537 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5538 Correct handling of pic operands.
5539 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5540 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5541 -mrtd calling convention.
5543 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5545 * gcc.c (option_map): Recognize --output-class-directory.
5547 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5549 * loop.h (precondition_loop_p): Added new mode argument.
5550 * unroll.c (precondition_loop_p): Likewise.
5551 (approx_final_value): Function deleted and subsumed
5552 into loop_iterations.
5553 (loop_find_equiv_value): New function.
5554 (loop_iterations): Use loop_find_equiv_value to find increments
5555 too large to be immediate constants. Also use it to find terms
5556 common to initial and final iteration values that can be removed.
5558 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5560 * loop.h (struct loop_info): Define new structure.
5561 (precondition_loop_p): Added prototype.
5562 (unroll_loop): Added new argument loop_info to prototype.
5563 (final_biv_value, final_giv_value): Added new argument n_iterations
5565 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5566 and new pointer loop_info.
5567 (loop_n_iterations): Replace global variable by element in
5568 loop_info structure.
5569 (check_final_value): New argument n_iterations.
5570 (insert_bct): New argument loop_info.
5571 (loop_unroll_factor): Replace global array by element in
5572 loop_info structure.
5573 (loop_optimize): Remove code to allocate and initialise
5574 loop_unroll_factor_array.
5575 * unroll.c (precondition_loop_p): No longer static since
5576 used by branch on count optimization.
5577 (precondition_loop_p, unroll_loop): New argument loop_info.
5578 (final_biv_value, final_giv_value, find_splittable_regs): New
5579 argument n_iterations.
5580 (loop_iteration_var, loop_initial_value, loop_increment,
5581 loop_final_value, loop_comparison_code, loop_unroll_factor):
5582 Replaced global variables by loop_info structure.
5583 (loop_unroll_factor): Replace global array by element in
5584 loop_info structure.
5586 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5588 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5591 * unroll.c (precondition_loop_p): Return loop_initial_value
5592 for initial_value instead of loop_iteration_var.
5594 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5596 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5597 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5598 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5599 to output the instruction sequences.
5601 (rptb_top): Provide alternatives to use any register or memory
5603 (rptb_end): Emit use of operands rather than assigning them
5604 explicitly to the RS and RE registers.
5606 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5608 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5609 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5610 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5611 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5612 c4x_merge_notes, c4x_parallel_process,
5613 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5614 c4x_combine_parallel): Delete.
5616 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5618 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5619 with old target options clear flag_branch_on_count_reg if
5620 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5622 (c4x_output_cbranch): Handle a sequence of insns rather than a
5624 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5625 has not been allocated as the loop counter.
5626 (c4x_address_conflict): Do not allow two volatile memory references.
5627 (valid_parallel_operands_4, valid_parallel_operands_5,
5628 valid_parallel_operands_6): Reject pattern if the register destination
5629 of the first set is used as part of an address in the second set.
5631 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5633 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5634 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5635 is no longer enabled if PARALLEL_MPY_FLAG set.
5636 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5637 (REG_CLASS_CONTENTS): Add braces around initializers.
5638 (HAVE_MULTIPLE_PACK): Define.
5639 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5640 REAL_VALUE_TO_DECIMAL.
5641 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5642 REAL_VALUE_TO_DECIMAL.
5643 (ar0_reg_operand): Add prototype.
5644 (ar0_mem_operand): Likewise.
5645 (ar1_reg_operand): Likewise.
5646 (ar1_mem_operand): Likewise.
5647 (ar2_reg_operand): Likewise.
5648 (ar2_mem_operand): Likewise.
5649 (ar3_reg_operand): Likewise.
5650 (ar3_mem_operand): Likewise.
5651 (ar4_reg_operand): Likewise.
5652 (ar4_mem_operand): Likewise.
5653 (ar5_reg_operand): Likewise.
5654 (ar5_mem_operand): Likewise.
5655 (ar6_reg_operand): Likewise.
5656 (ar6_mem_operand): Likewise.
5657 (ar7_reg_operand): Likewise.
5658 (ar7_mem_operand): Likewise.
5659 (ir0_reg_operand): Likewise.
5660 (ir0_mem_operand): Likewise.
5661 (ir1_reg_operand): Likewise.
5662 (ir1_mem_operand): Likewise.
5663 (group1_reg_operand): Likewise.
5664 (group1_mem_operand): Likewise.
5665 (ir1_reg_operand): Likewise.
5666 (arx_reg_operand): Likewise.
5667 (not_rc_reg): Likewise.
5668 (not_modify_reg): Likewise.
5669 (c4x_group1_reg_operand): Remove prototype.
5670 (c4x_group1_mem_operand): Likewise.
5671 (c4x_arx_reg_operand): Likewise.
5673 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5675 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5676 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5678 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5680 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5683 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5685 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5686 unless FMOVD_WORKS is defined.
5688 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5690 * regclass.c (init_reg_sets): Move code that calculates tables
5691 dependent on reg_class_contents from here...
5692 (init_reg_sets_1): To here.
5694 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5696 * cpplib.h: Delete struct import_file. Add ihash element to
5697 struct cpp_buffer. Delete dont_repeat_files and
5698 import_hash_table elements from cpp_reader; change
5699 all_include_files to a hash table. Delete all foobar_include
5700 / last_foobar_include elements from struct cpp_options; put
5701 back four such: quote_include, bracket_include,
5702 system_include, after_include. Redo struct file_name_list
5703 completely. Add new structure type include_hash. Add
5704 prototypes for merge_include_chains and include_hash. Change
5705 prototypes for finclude, find_include_file, and
5706 append_include_chain to match changes below.
5708 * cppfiles.c (simplify_pathname, include_hash,
5709 remap_filename, merge_include_chains): New functions.
5710 (add_import, lookup_import, open_include_file): Removed.
5711 (INO_T_EQ): Define this (copied from cccp.c).
5712 (hack_vms_include_specification): Remove all calls and #if 0
5713 out the definition. It was being called incorrectly and at
5714 the wrong times. Until a VMSie can look at this, it's better
5715 to not pretend to support it.
5716 (append_include_chain): Change calling convention; now takes
5717 only one directory at a time, and sets up the data structure
5719 (redundant_include_p): Rewritten - this is now used for all
5720 include redundancy, whether by #ifndef, #import, or #pragma
5721 once. Looks up things in the include hash table.
5722 (file_cleanup): Decrement pfile->system_include_depth here if
5724 (find_include_file): Calling convention changed; now passes
5725 around a struct include_hash instead of 3 separate parameters.
5726 Guts ripped out and replaced with new include_hash mechanism.
5727 (finclude): Calling convention changed as for
5728 find_include_file. Error exits pulled out-of-line. Reformat.
5729 (safe_read): Return a long, not an int.
5730 (deps_output): Don't recurse.
5732 * cpplib.c (is_system_include): Deleted.
5733 (path_include): Fix up call to append_include_chain.
5734 (do_include): Fix up calls to find_include_file and finclude.
5735 Clean up dependency output a bit. Shorten obnoxiously lengthy
5736 #import warning message. Don't decrement
5737 pfile->system_include_depth here.
5738 (do_pragma): Understand the include_hash structure. Reformat.
5739 (do_endif): Correct handling of control macros. Understand
5741 (cpp_start_read): Fix up calls to finclude. Call
5742 merge_include_chains.
5743 (cpp_handle_option): Fix up calls to append_include_chain.
5744 Understand the four partial include chains.
5745 (cpp_finish): Add debugging code (#if 0-ed out) for the
5747 (cpp_cleanup): Free the include_hash, not the import hash and
5748 the all_include and dont_repeat lists which no longer exist.
5750 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
5752 * toplev.c (no_new_pseudos): Define.
5753 (rest_of_compilation): Set no_new_pseudos as needed.
5754 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
5755 if no_new_pseudos is set.
5756 * rtl.h (no_new_pseudos): Declare it.
5757 * reload1.c (reload): Update comments.
5758 * md.texi: Corresponding changes.
5760 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5762 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
5763 (choose_reload_regs): Rename it here as well. When computing it,
5764 also merge in used hardregs.
5766 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5768 * gcc.c: Split out Objective-C specs to...
5769 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
5772 * c-lex.c (init_parse): Always initialize the filename global.
5773 * objc/objc-act.c (lang_init): Always call check_newline at
5776 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
5778 * reload1.c (reload): Remove unused variable.
5779 (reload_reg_free_for_value_p): Add missing parameter definition.
5781 * jump.c (jump_optimize): Remove unused variable.
5783 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
5785 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
5787 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
5789 * expr.c (move_by_pieces): Similarly.
5790 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
5791 * flow.c (find_auto_inc): Similarly.
5792 (try_pre_increment): Similarly.
5793 * loop.c (strength_reduce): Similarly.
5794 * regclass.c (auto_inc_dec_reg_p): Similarly.
5795 * regmove.c (try_auto_increment): Similarly.
5796 (fixup_match_1): Similarly.
5797 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
5798 (HAVE_PRE_DECREMENT): Similarly.
5799 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
5800 * Corresponding changes to all target header files.
5801 * tm.texi: Update docs for autoinc addressing modes.
5803 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
5805 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
5806 * configure: Rebuild.
5807 * config/elfos.h: New file.
5808 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
5809 config/m68k/t-m68kelf: New file.
5811 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
5813 * Makefile.in (HOST_AR): Define.
5814 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
5815 (libcpp.a): Use the host tools explicitly.
5816 (STAGESTUFF): Add libcpp.a.
5818 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
5820 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
5821 to source and destination registers.
5823 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
5825 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
5826 The strategy we now use is to pre allocate the top_elt along
5827 with the EH context so that each thread has its own top_elt.
5828 This is necessary as the dynmanic cleanup chain is used on the
5829 top element of the stack and each thread MUST have its own.
5830 (eh_context_static): Likewise.
5831 (new_eh_context): Likewise.
5832 (__sjthrow): Likewise.
5834 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5836 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5837 * i386.md (prologue_get_pc): Remove unused variable.
5839 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5841 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5843 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5845 * Makefile.in (OBJS): Add graph.o
5846 (graph.o): New dependency list.
5847 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5848 * print-rtl.c (dump_for_graph): Define new variable.
5849 (print_rtx): Rewrite to allow use in graph dumping functions.
5850 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5851 finish_graph_dump_file.
5852 Define graph_dump_format.
5853 (compile_file): If graph dumping is enabled also clear these files.
5854 Finish graph dump files.
5855 (rest_of_compilation): Also dump graph information if enabled.
5856 (main): Recognize -dv to enabled VCG based graph dumping.
5857 * graph.c: New file. Graph dumping functions.
5859 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5861 * configure.in: Look for <sys/stat.h>.
5862 * system.h: Include it before substitute S_ISREG definitions.
5864 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
5866 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
5867 * config/mips/iris6.h: Same.
5868 * config/mips/mips.md: Same.
5869 * config/mips/mips.c: Same; also add "-mabi=o64" option.
5870 * config/mips/mips.h: Same; also define ABI_O64.
5872 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5874 * configure.in: Use AC_PREREQ(2.12.1).
5876 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5878 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
5879 * cpplib.c, gcc.c: Likewise.
5880 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
5882 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
5884 * local-alloc.c (local_alloc): Use malloc not alloca for
5885 reg_qty, reg_offset, ref_next_in_qty.
5887 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5889 * caller-save.c (insert_one_insn): Initialize the live_before and
5890 live_after register sets.
5894 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
5895 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
5896 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
5897 (fp_reg_names, assembler_dialect): New variables.
5898 (print_operand_address): Handle SUBREGs.
5899 (print_operand): Added 'o' case.
5900 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
5901 Name of FP registers depends on mode.
5902 (expand_block_move): Emit different code for SH4 hardware.
5903 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
5904 (from_compare): Likewise.
5905 (add_constant): New argument last_value. Changed all callers.
5906 (find_barrier): Don't try HImode load for FPUL_REG.
5907 (machine_dependent_reorg): Likewise.
5908 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
5909 (gen_far_branch): Emit a barrier after the new jump.
5910 (barrier_align): Don't trust instruction lengths before
5912 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
5913 Use auto-inc addressing for fp registers if doubles need to
5914 be loaded in two steps.
5915 Set sh_flag_remove_dead_before_cse.
5916 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
5917 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
5918 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
5919 Support for FIRST_XD_REG .. LAST_XD_REG.
5920 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
5921 (sh_expand_epilogue): Likewise.
5922 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
5923 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
5924 (arith_reg_operand): FPUL_REG is OK for SH4.
5925 (fp_arith_reg_operand, fp_extended_operand) New functions.
5926 (tertiary_reload_operand, fpscr_operand): Likewise.
5927 (commutative_float_operator, noncommutative_float_operator): Likewise.
5928 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
5929 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
5930 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
5931 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
5932 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
5933 (CONDITIONAL_REGISTER_USAGE): Likewise.
5934 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
5935 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
5936 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
5937 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
5938 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
5939 to -1 and sh_flag_remove_dead_before_cse to 1.
5940 (ASSEMBLER_DIALECT): Define to assembler_dialect.
5941 (assembler_dialect, fp_reg_names): Declare.
5942 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
5943 Hide names of registers that are not accessible.
5944 (CACHE_LOG): Take TARGET_CACHE32 into account.
5945 (LOOP_ALIGN): Take TARGET_HARWARD into account.
5946 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
5947 (FIRST_PSEUDO_REGISTER: Now 49.
5948 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
5949 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
5950 (HARD_REGNO_MODE_OK): Update.
5951 (enum reg_class): Add DF_REGS and FPSCR_REGS.
5952 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
5953 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
5954 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
5955 (NPARM_REGS): Eight floating point parameter registers on SH4.
5956 (BASE_RETURN_VALUE_REG): SH4 also passes double values
5957 in floating point registers.
5958 (GET_SH_ARG_CLASS) Likewise.
5959 Complex float types are also returned in float registers.
5960 (BASE_ARG_REG): Complex float types are also passes in float registers.
5961 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
5962 (LIBCALL_VALUE): Remove trailing semicolon.
5963 (ROUND_REG): Round when double precision value is passed in floating
5965 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
5966 passed on the stack.
5967 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
5968 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
5969 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
5970 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
5971 (MODE_DISP_OK_8): Not for SH4 DFmode.
5972 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
5973 Allow indexed addressing for PSImode after reload.
5974 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
5975 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
5976 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
5977 (DOUBLE_TYPE_SIZE): 64 for SH4.
5978 (RTX_COSTS): Add PLUS case.
5979 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
5980 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
5981 MAC_REGS, PR_REGS, DF_REGS.
5982 (REGISTER_NAMES): Use fp_reg_names.
5983 (enum processor_type): Add PROCESSOR_SH4.
5984 (sh_flag_remove_dead_before_cse): Declare.
5985 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
5986 (PREDICATE_CODES): Add binary_float_operator,
5987 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
5988 fpscr_operand, noncommutative_float_operator.
5989 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
5990 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
5991 * sh.md (attribute cpu): Add value sh4.
5992 (attrbutes fmovd, issues): Define.
5993 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
5994 (function units memory, int, mpy, fp): Make dependent on issue rate.
5995 (function units issue, single_issue, load_si, load): Define.
5996 (function units load_store, fdiv, gp_fpul): Define.
5997 (attribute hit_stack): Provide proper default.
5998 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
5999 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6000 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6001 (mulsi3_call): Now uses match_operand for function address.
6002 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6004 (push, pop, push_e, pop_e): Now define_expands.
6005 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6006 (movsi_ie): Added y/i alternative.
6007 (ic_invalidate_line_i, movdf_i4): New insns.
6008 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6009 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6010 (movdf): Add special code for SH4.
6011 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6012 (call_valuei, calli, call_value): Likewise.
6013 (movsf): Emit no-op move.
6014 (mov_nop, movsi_y): New insns.
6015 (blt, sge): generalize to handle DFmode.
6016 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6017 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6018 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6019 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6020 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6021 (toggle_sz): New insn.
6022 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6023 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6024 (macsf3): Make use of fpscr visible. Disable for SH4.
6025 (floatsisf2): Make use of fpscr visible.
6026 (floatsisf2_i4): New insn.
6027 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6028 (ieee_ccmpeqsf_t): Likewise.
6029 (fix_truncsfsi2): Emit different code for SH4.
6030 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6031 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6032 (negsf2, sqrtsf2, abssf2): Now expanders.
6033 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6034 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6035 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6036 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6037 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6038 (fix_truncdfsi2_i4_2+1): New splitters.
6039 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6040 (extendsfdf2, truncdfsf2): New expanders.
6041 (truncdfsf2_i4): New insn.
6042 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6043 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6044 * float-sh.h: When testing for __SH3E__, also test for
6045 __SH4_SINGLE_ONLY__ .
6046 * va-sh.h (__va_freg): Define to float.
6047 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6048 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6049 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6050 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6052 (TARGET_SH4_P): Define.
6055 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6056 init_expr_once is satisfied about the existence of load / store insns.
6058 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6059 change m constraint in source operand to mr / mf .
6061 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6063 * (__VA_REEF): Define.
6064 (__va_arg_sh1): Use it.
6066 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6068 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6070 * i386/dgux.c (struct option): Add new "description field".
6071 * m88k/m88k.c (struct option): Likewise.
6073 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6075 * version.c: Bump for snapshot.
6077 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6079 * regmove.c (regmove_profitable_p): Use return value of find_matches
6082 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6084 * version.c: Bump for snapshot.
6086 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6088 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6089 without reload having been called earlier.
6091 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6093 (v850_reorg): Similarly.
6095 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6097 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6099 * loop.c (move_movables): Start of libcall might be new loop start.
6101 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6103 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6105 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6107 * function.c (nonlocal_goto_handler_slots): Renamed from
6108 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6109 (push_function_context_to): Adjust for this change.
6110 (pop_function_context_from): Likewise.
6111 (init_function_start): Likewise.
6112 (expand_function_end): Likewise.
6113 * function.h (struct function): Likewise.
6114 * calls.c (expand_call): Likewise.
6115 * explow.c (allocate_dynamic_stack_space): Likewise.
6116 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6117 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6119 (expand_goto): When doing a nonlocal goto, find corresponding handler
6120 slot for it. Don't put the label address in the static chain register.
6121 (expand_end_bindings): Break out nonlocal goto handling code into
6122 three new functions.
6123 (expand_nl_handler_label, expand_nl_goto_receiver,
6124 expand_nl_goto_receivers): New static functions, broken out of
6125 expand_end_bindings and adapted to create one handler per nonlocal
6127 * function.c (delete_handlers): Delete insn if it references any of
6128 the nonlocal goto handler slots.
6129 * i960.md (nonlocal_goto): Comment out code that modifies
6131 * sparc.md (nonlocal_goto): Likewise.
6132 (goto_handler_and_restore_v9): Comment out.
6133 (goto_handler_and_restore_v9_sp64): Comment out.
6135 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6137 * expr.c (STACK_BYTES): Delete unused macro.
6138 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6139 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6140 (expand_call): Likewise.
6141 (emit_library_call): Likewise.
6142 (emit_library_call_value): Likewise.
6143 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6144 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6145 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6146 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6147 (allocate_dynamic_stack_space): Likewise.
6148 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6149 (STACK_BOUNDARY): Update description to reflect the new situation.
6151 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6153 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6154 return with a filled delay slot is followed by a return with an
6155 unfilled delay slot, delete the first return and reemit the insn
6156 that was previously in its delay slot.
6158 * i860.c (single_insn_src_p): Add missing parens.
6159 * ginclude/math-3300.h: Likewise.
6161 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6163 * regclass.c (init_reg_sets_1): Add prototype.
6164 (init_reg_modes): Likewise.
6166 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6168 * c-common.c: Change warning messages to say `comparison is
6169 always true' or `comparison is always false' instead of the
6170 confusing `is always 0', `is always 1'.
6172 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6174 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6175 break instead of return (which loses closing '>').
6177 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6179 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6180 standard 387 constants.
6182 * i386.md (jump): Explicitly set "memory" attribute.
6183 (indirect_jump, prologue_set_stack_ptr): Likewise.
6184 (prologue_get_pc_and_set_got, pop): Likewise.
6185 (allocate_stack_worder, blockage, return_internal): Likewise.
6186 (return_pop_internal, nop): Likewise.
6187 (epilogue_set_stack_ptr, leave): Likewise.
6189 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6191 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6193 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6195 * reload1.c (reload_reg_free_for_value_p):
6196 Early auto_inc reloads don't conflict with outputs.
6198 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6200 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6201 Instead call AC_HEADER_SYS_WAIT.
6203 * collect2.c: Don't provide defaults for sys/wait.h macros.
6205 * protoize.c: Likewise. Also, don't include sys/wait.h.
6207 * system.h: Include sys/wait.h and provide macro defaults.
6209 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6211 * Makefile.in (mandir): Set to @mandir@.
6212 (man1dir): New variable to hold the former value of $(mandir).
6213 Replace all uses of $(mandir) by $(man1dir).
6215 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6217 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6218 a new one before passing it to force_const_mem.
6220 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6221 find_reloads_address call.
6223 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6225 * expr.c (store_expr): Don't generate load-store pair
6226 if TEMP is identical (according to ==) with TARGET.
6228 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6230 * reload1.c (reload_reg_free_for_value_p): When considered reload
6231 has an output, matching inputs are not sufficient to avoid conflict.
6233 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6235 * hash.h (hash_table_key): New type.
6236 (hash_entry): Change `string' field to generic `key'.
6237 (hash_table): Add `comp' and `hash' functions.
6238 (hash_table_init): Take them as input.
6239 (hash_table_init_n): Likewise.
6240 (hash_lookup): Modify for generic keys.
6241 (hash_newfunc): Likewise.
6242 (hash_traverse): Likewise.
6243 (string_hash): New function.
6244 (string_compare): Likewise.
6245 (string_copy): Likewise.
6246 * hash.c (hash_table_init_n): Modify for generic keys.
6247 (hash_table_init): Likewise.
6248 (hash_lookup): Likewise.
6249 (hash_newfunc): Likewise.
6250 (hash_traverse): Likewise.
6251 (string_hash): Split out from hash_lookup.
6252 (string_compare): New function.
6253 (string_copy): Split out from hash_lookup.
6254 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6256 (symbol_hash_lookup): Likewise.
6257 (file_hash_newfunc): Likewise.
6258 (file_hash_lookup): Likewise.
6259 (demangled_hash_newfunc): Likewise.
6260 (demangled_hash_lookup): Likewise.
6261 (tlink_int): Likewise.
6262 (read_repo_file): Likewise.
6263 (recompile_files): Likewise.
6264 (demangle_new_symbols): Likewise.
6265 (scan_linker_output): Likewise.
6267 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6269 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6271 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6273 * rs6000.c (output_mi_thunk): Improve test for local branch.
6275 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6277 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6279 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6281 * reload1.c (reload_reg_free_before_p): Delete.
6282 Changed all callers to use reload_reg_free_for_value_p instead.
6283 (reload_reg_free_for_value_p): Handle more reload types.
6284 A RELOAD_FOR_INPUT doesn't conflict with its
6285 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6286 Add special case for OUT == const0_rtx.
6287 Added ignore_address_reloads argument. Changed all callers.
6289 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6291 * toplev.c (compile_file): Don't pedwarn about undefined static
6292 functions just because we passed -Wunused.
6294 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6296 * function.c (purge_addressof_1): Unshare rtl created by
6299 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6301 * regmove.c (regmove_optimize): Don't do anything but
6302 optimize_reg_copy[123] when flag_regmove is not set.
6304 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6306 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6307 value in paradoxical SImode result, rather than truncating midpoint.
6309 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6311 * alpha.c (reg_not_elim_operand): New.
6312 * alpha.h (PREDICATE_CODES): Add it.
6313 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6314 for the multiplicand.
6316 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6318 * rs6000.md (movsf): Remove explicit secondary-reload-like
6319 functionality. Only truncate SFmode store if in FPR.
6320 (movsf splitters): Combine const_double splitters.
6321 (movsf_hardfloat): Add GPR support.
6323 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6325 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6326 deprecate -mlive-g0 and -mbroken-saverestore.
6327 * t-splet (MULTILIB_OPTIONS): Likewise.
6329 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6330 in a leaf function. Clarify total_size/extra_size relationship.
6332 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6334 * i386/cygwin32.asm: Delete.
6335 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6336 * i386/cygwin32.h: Delete.
6337 * i386/cygwin.h: New file, renamed from cygwin32.h.
6338 * i386/t-cygwin32: Delete.
6339 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6340 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6341 * i386/x-cygwin32: Delete.
6342 * i386/x-cygwin: New file, renamed from x-cygwin32.
6343 * i386/xm-cygwin32: Delete.
6344 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6345 renamed cygwin_ funcs for path translations.
6346 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6347 * i386/winnt.c: Remove "32" from comment about cygwin.
6348 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6349 * rs6000/cygwin32.h: Delete.
6350 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6351 -D__CYGWIN__ to CPP_PREDEFINES.
6352 * rs6000/x-cygwin32: Delete.
6353 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6354 * rs6000/xm-cygwin32: Delete.
6355 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6357 * configure.in: Check for cygwin* instead of cygwin32. Account
6358 for the rename of cygwin-related config files to lose the "32"s.
6359 * configure: Regenerate.
6361 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6362 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6364 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6366 * Makefile.in (JAVAGC): New macro.
6367 * configure: Rebuilt.
6368 * configure.in: Recognize --enable-java-gc argument. Subst
6371 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6373 Handle equivalences that have been obscured by gcse:
6375 * reload1.c (reload): Handle equivalences set up in multiple places.
6376 * local-alloc.c (reg_equiv_init_insns): New variable.
6377 (no_equiv): New function.
6378 (update_equiv_regs): Handle equivalences set up in multiple places.
6379 Don't ignore an insn just because its destination is likely to be
6382 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6384 * except.c (expand_eh_return): Readd force_operand call lost in
6387 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
6389 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6391 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6393 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6395 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6397 * regmove.c (regmove_optimize): Fix error in last change.
6399 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6401 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6402 offset in the .mask pseudo to compensate for frame pointer adjustments.
6403 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6404 word swap arguments moved to/from FP registers.
6405 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6407 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6409 * version.c: Bump for snapshot.
6411 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6413 * version.c: Bump for snapshot.
6415 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6417 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6418 times, then it can not be completely replaced.
6420 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6422 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6424 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6426 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6427 (to distinguish it from the macro wrapping ansidecl.h.)
6428 Include libiberty's ansidecl.h. Remove all redundant definitions.
6429 Define the PROTO() style macros in terms of the PARAMS() ones.
6432 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6433 __STDC__, when deciding whether to use ANSI variable args.
6434 (emit_library_call_value): Likewise.
6436 * cccp.c (error): Likewise.
6437 (warning): Likewise.
6438 (error_with_line): Likewise.
6439 (warning_with_line): Likewise.
6440 (pedwarn): Likewise.
6441 (pedwarn_with_line): Likewise.
6442 (pedwarn_with_file_and_line): Likewise.
6445 * cexp.y (error): Likewise.
6446 (pedwarn): Likewise.
6447 (warning): Likewise.
6449 * collect2.c (fatal_perror): Likewise.
6453 * combine.c (gen_rtx_combine): Likewise.
6455 * cpperror.c (cpp_message): Likewise.
6456 (cpp_fatal): Likewise.
6458 * cpplib.c (cpp_error): Likewise.
6459 (cpp_warning): Likewise.
6460 (cpp_pedwarn): Likewise.
6461 (cpp_error_with_line): Likewise.
6462 (cpp_warning_with_line): Likewise.
6463 (cpp_pedwarn_with_line): Likewise.
6464 (cpp_pedwarn_with_file_and_line): Likewise.
6466 * cpplib.h: Don't define PARAMS() macro.
6468 * demangle.h: Likewise.
6470 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6471 when deciding whether to use ANSI variable args.
6473 * emit-rtl.c (gen_rtx): Likewise.
6474 (gen_rtvec): Likewise.
6476 * final.c (asm_fprintf): Likewise.
6478 * fix-header.c (cpp_message): Likewise.
6480 (cpp_fatal): Likewise.
6482 * gcc.c (concat): Likewise.
6486 * genattr.c (fatal): Likewise.
6488 * genattrtab.c (attr_rtx): Likewise.
6489 (attr_printf): Likewise.
6492 * gencodes.c (fatal): Likewise.
6494 * genconfig.c (fatal): Likewise.
6496 * genemit.c (fatal): Likewise.
6498 * genextract.c (fatal): Likewise.
6500 * genflags.c (fatal): Likewise.
6502 * genopinit.c (fatal): Likewise.
6504 * genoutput.c (fatal): Likewise.
6507 * genpeep.c (fatal): Likewise.
6509 * genrecog.c (fatal): Likewise.
6511 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6512 deciding whether to declare `tree_node' and `rtx_def'.
6514 * hash.h: Don't define stuff we get from gansidecl.h.
6516 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6517 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6518 whether to use ANSI variable args.
6521 * prefix.c (concat): Likewise.
6525 * system.h: Likewise.
6527 * toplev.c (error_with_file_and_line): Likewise.
6528 (error_with_decl): Likewise.
6529 (error_for_asm): Likewise.
6532 (warning_with_file_and_line): Likewise.
6533 (warning_with_decl): Likewise.
6534 (warning_for_asm): Likewise.
6535 (warning): Likewise.
6536 (pedwarn): Likewise.
6537 (pedwarn_with_decl): Likewise.
6538 (pedwarn_with_file_and_line): Likewise.
6540 (really_sorry): Likewise.
6542 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6543 whether to declare `tree_node' and `rtx_def'.
6545 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6546 deciding whether to use ANSI variable args.
6547 (build_nt): Likewise.
6548 (build_parse_node): Likewise.
6550 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6552 * version.c: Bump for snapshot.
6554 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6556 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6558 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
6560 * collect2.c (main, case 'b'): Use else if.
6562 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6564 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6565 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6566 before the config/ directory headers.
6567 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6568 gansidecl.h in the list of dependencies.
6570 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6571 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6572 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6573 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6574 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6575 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6578 * cccp.c: Don't include gansidecl.h.
6580 * collect2.c: Likewise.
6581 * config/c4x/c4x.c: Likewise.
6582 * config/v850/v850.h: Likewise.
6583 * cppalloc.c: Likewise.
6584 * cpperror.c: Likewise.
6585 * cppexp.c: Likewise.
6586 * cppfiles.c: Likewise.
6587 * cpphash.c: Likewise.
6588 * cpplib.c: Likewise.
6589 * cppmain.c: Likewise.
6590 * cppulp.c: Likewise.
6591 * demangle.h: Likewise.
6592 * doprint.c: Likewise.
6593 * dyn-string.c: Likewise.
6594 * eh-common.h: Likewise.
6595 * fix-header.c: Likewise.
6596 * frame.c: Likewise.
6599 * gen-protos.c: Likewise.
6600 * gencheck.c: Likewise.
6601 * halfpic.h: Likewise.
6603 * machmode.h: Likewise.
6604 * mbchar.c: Likewise.
6605 * prefix.c: Likewise.
6606 * protoize.c: Likewise.
6607 * recog.h: Likewise.
6609 * scan-decls.c: Likewise.
6611 * varray.h: Likewise.
6613 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6615 * i386.md (call_value_pop): If we're not popping anything,
6616 defer to call_value.
6617 (call_pop): Likewise defer to call.
6619 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6621 * function.c (purge_addressof): Clear purge_addressof_replacements
6622 only after processing the whole function.
6624 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6626 * reload1.c (reload): If we can not perform a particular elimination
6627 when we thought we could earlier, then we must always iterate through
6628 the loop at least one more time.
6630 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6632 * alpha.c (add_operand): Simplify the CONST_INT match.
6633 (sext_add_operand): Correct typo in comparison by using
6634 CONST_OK_FOR_LETTER_P.
6635 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6636 constant alternatives to be generated.
6637 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6638 small constants, since the hw instructions do.
6640 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6642 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6643 previous insn to store directly into our reload register, make sure
6644 that if the source of the previous insn is a reload register, its
6645 spill_reg_store and spill_reg_stored_to values are cleared.
6647 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
6649 * rs6000.md (floatunssidf2_internal splitter): Use base register
6650 operand, not hard-coded SP.
6652 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6654 * jump.c (calculate_can_reach_end): Fix thinko.
6656 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6658 * reorg.c (fill_simple_delay_slots): Fix typo.
6660 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6662 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6664 * i386.md (extendsidi2): Use # in the output template.
6665 (extendsidi splitters): New splitters.
6667 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6669 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6671 * configure: Regenerate.
6673 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6675 * jump.c (init_label_info, delete_barrier_successors,
6676 mark_all_labels, delete_unreferenced_labels,
6677 delete_noop_moves, calculate_can_reach_end): New functions broken
6678 out of jump_optimize.
6679 (jump_optimize): Use them.
6681 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6683 * except.c (expand_fixup_region_end): Make sure outer context labels
6684 are not issued in an inner context during cleanups.
6686 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6688 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6691 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6693 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6694 to expose this midpoint to CSE.
6696 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6698 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6700 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6702 * configure.in: Bring over gcc2 change of Nov 19 1997.
6704 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6706 * toplev.c (output_lang_identify): Make definition dependent on
6707 ASM_IDENTIFY_LANGUAGE.
6709 * print-rtl.c (spaces): Make static.
6711 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6713 * extend.texi: Clarify proper uses for register clobbers in asms.
6715 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6717 * recog.h (enum op_type): Define.
6718 (constrain_operands): Adjust prototype.
6719 (recog_op_type): Declare new variable.
6720 * recog.c (recog_op_type): New variable.
6721 (insn_invalid_p): Allow modifying an asm statement after reload.
6722 (extract_insn): Set up recog_op_type.
6723 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6724 Don't compute operand types, use recog_op_type.
6725 Use the information computed by extract_insn instead of the previous
6726 method of finding it by insn code number.
6727 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6728 * reorg.c (fill_slots_from_thread): Likewise.
6729 * reload1.c (reload_as_needed): Likewise.
6730 (gen_reload): Likewise.
6731 (inc_for_reload): Likewise.
6732 (reload_cse_simplify_operands): Likewise.
6733 Use the information computed by extract_insn instead of the previous
6734 method of finding it by insn code number.
6735 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6737 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6738 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6739 Use the information computed by extract_insn instead of the previous
6740 method of finding it by insn code number.
6741 * regmove.c (find_matches): Likewise. Change meaning of the return
6742 value to be nonzero if the optimization can be performed, zero if
6743 not. All callers changed.
6744 Shorten some variable names to fix formatting problems.
6745 (regmove_optimize): Shorten some variable names to fix formatting
6747 Use the information computed by extract_insn instead of the previous
6748 method of finding it by insn code number.
6749 * regclass.c (scan_one_insn): Likewise.
6750 (record_reg_classes): Don't compute operand types, use recog_op_type.
6751 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
6752 recog_constraints instead.
6754 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
6756 * rtl.h (flow2_completed): Declare.
6757 * flow.c (flow2_completed): Definition.
6758 * toplev.c (rest_of_compilation): Set and clear flow2_completed
6761 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6763 * Makefile.in (libcpp.a): Ranlib libcpp.a
6765 * cppulp.c (user_label_prefix): Initialize.
6767 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
6769 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
6770 at a RETURN if current_function_sp_is_unchanging is set.
6772 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6774 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
6776 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
6778 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
6779 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
6780 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
6781 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
6782 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
6783 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
6785 (LIB_SPEC): Handle -mno-cyginw option.
6786 (LINK_SPEC): Handle -mdll.
6788 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6790 * reload.c (find_reloads): Fix test for usage by other reload
6791 to handle secondary reloads properly.
6793 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6795 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
6796 intermediate structure which has exactly the members provided by
6797 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
6798 static intermediate structure.
6800 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
6801 from the intermediate structure. Do the same analogous fix in
6802 the case where ELIMINABLE_REGS is not defined.
6804 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
6806 * pa.h (SELECT_SECTION): Fix thinko.
6808 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
6810 * dwarf2out.c (output_call_frame_info): Comments on last change.
6812 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
6814 * arm.c (add_constant): When taking the address of an item in the
6815 pool, get the mode of the item addressed.
6817 * arm.c (final_prescan_insn case INSN): If an insn doesn't
6818 contain a SET or a PARALLEL, don't consider it for conditional
6821 Restore ABI compatibility for NetBSD.
6822 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
6824 (RETURN_IN_MEMORY): Likewise.
6826 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
6828 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
6829 (m32r_output_block_move): Rewrite bytes < 4 handling.
6831 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6833 * configure.in: Call AC_FUNC_VFORK.
6835 * collect2.c: Define VFORK_STRING as a printable string for
6836 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6837 defined, include vfork.h. If VMS is defined, define vfork()
6838 appropriately. Remove vfork check on USG, we're using autoconf.
6839 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6840 checking locally what string to pass.
6841 (scan_prog_file): Likewise.
6842 (scan_libraries): Likewise.
6844 * gcc.c: Remove vfork check on USG, we're using autoconf.
6845 Besides, no calls to vfork/fork occur in this file.
6847 * protoize.c: Likewise.
6849 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6851 * configure.in (DEFAULT_LINKER): renamed from LD
6852 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6853 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6854 * configure: rebuilt
6856 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6858 * BUGS: fix the regexp for `more' to find the appropriate node.
6859 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6861 * BUGS: added link to the WWW FAQ
6863 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
6865 * version.c: Bump for snapshot.
6867 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
6869 * From Christian Gafton:
6870 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
6871 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
6872 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
6874 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
6876 * c-common.c (c_get_alias_set): Allow all type-punning through
6877 unions. Don't get confused about the type of a bit-field, despite
6878 the antics of build_modify_expr.
6880 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
6882 * fixinc.sco: Paramaterize #include_next values.
6883 * fixinc/fixinc.sco: Likewise.
6885 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
6887 * toplev.c (rest_of_compilation): No longer set reload_completed.
6888 * reload1.c (reload): Set it here. Perform instruction splitting
6889 after reload has completed if we will be running the scheduler
6892 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
6894 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
6895 EH region if exceptions are enabled and we're performing cross
6897 (find_cross_jump): Exit loop if the insns are in different EH regions.
6899 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
6901 * dwarf2out.c (output_call_frame_info): Use
6902 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
6904 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6906 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
6907 * c-common.c (check_format_info): Don't check for the 'x'
6908 format character twice, instead check for 'x' and 'X'
6910 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
6912 * configure.in (assembler features): Also make gas is configured if
6913 we find it in the souce tree.
6915 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
6917 * i386.c (i386_comp_type_attributes): Compare whether the
6918 attributes are defined, not their tree nodes.
6920 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6922 * configure.in (gxx_include_dir): bitten by autoconf quoting
6924 * configure: rebuilt
6926 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6928 * configure.in: Ignore non-absolute value in $AS.
6930 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
6932 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
6934 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
6936 * configure.in (msdosdjgpp): Set exeext and target_alias.
6938 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6940 * flow.c (XNMALLOC): New macro.
6941 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
6943 (add_edge, add_edge_to_label): New static functions.
6944 (free_bb_memory): New function.
6945 (flow_delete_insn): Delete function.
6946 (basic_block_drops_in): Delete variable.
6947 (find_basic_blocks): Allocate and initialize basic_block_head,
6948 basic_block_succ. Don't allocate basic_block_drops_in.
6949 Call free_bb_memory at the beginning.
6950 (find_basic_blocks_1): Don't do multiple passes.
6951 Delete code to compute basic_block_drops_in.
6952 After calling make_edges, mark blocks reached by current block live.
6953 Update test for unreachable live blocks.
6954 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
6956 Simplify to call add_edge_to_label when a LABEL_REF is found.
6957 (make_edges): Simplify to call add_edge_to_label instead of
6958 mark_label_ref most of the time.
6959 Compute here whether control drops into the next block.
6960 (delete_unreachable_blocks): Return void. All callers changed.
6961 Delete unreachable blocks in reverse order.
6962 After deleting all unreachable blocks, renumber the remaining ones
6963 and update n_basic_blocks.
6964 (delete_block): Speed up deletion a bit.
6965 Don't set basic_block_drops_in for deleted blocks.
6966 (free_basic_block_vars): Don't free basic_block_drops_in.
6967 (life_analysis_1): Update to use new edge representation.
6968 (dump_flow_info): Delete code to print basic block info; call
6969 dump_bb_data instead.
6970 (compute_preds_succs): Delete code to recompute basic_block_drops_in
6971 and uid_block_number.
6972 Simply copy the previously computed cfg.
6973 (dump_bb_data): New arg LIVE_INFO. All callers changed.
6974 Print register lifetime information if LIVE_INFO is nonzero.
6975 * basic-block.h (dump_bb_data): Adjust prototype.
6976 * gcse.c (gcse_main): Update call to dump_bb_data.
6977 * rtl.h (free_bb_memory): Declare.
6978 * toplev.c (rest_of_compilation): Call free_bb_memory.
6980 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
6981 (update_eliminable_offsets): Don't compute it.
6982 (set_initial_elim_offsets): Don't initialize it.
6983 Break out some code into set_initial_label_offsets so the rest of
6984 this function can be called from reload_as_needed.
6985 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
6986 ELIMINABLE_REGS isn't.
6987 (set_initial_label_offsets): New function, broken out of
6988 set_initial_elim_offsets.
6989 (set_offsets_for_label): New function, broken out of set_label_offsets
6990 and reload_as_needed.
6991 (reload): Call the two new functions.
6992 (reload_as_needed): Call set_initial_elim_offsets instead of
6993 duplicating the code. Likewise for set_offsets_for_label.
6995 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
6996 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
6997 any hard reg, reg_reloaded_dead contains valid data.
6999 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7001 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7002 "stdcall" and "cdecl" attributes.
7004 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7006 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7007 handle deleted no-op moves of hard registers.
7008 * haifa-sched.c (update_flow_info): Likewise.
7010 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7012 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7013 of the sequences to reload the HILO register which do not actually
7016 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7018 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7020 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7022 * except.c (emit_eh_context): Make the EH context register stay alive
7023 at -O0 so stupid.c doesn't get confused.
7025 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7027 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7029 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7030 Jeffrey A Law (law@cygnus.com)
7032 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7033 (zero_extendsidi2): Use # in output template and handle completely by
7035 (zero_extend splitters): New define_splits.
7036 (ashiftrt_32): New pattern.
7038 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7040 * tree.c (append_random_chars): New fn.
7041 (get_file_function_name_long): Use it.
7043 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7045 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7046 (LIBCPP_OBJS): New. Add cppulp.o.
7047 (cppmain, fix-header): Depend on and use libcpp.a.
7048 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7049 of the individual object files.
7050 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7053 * cccp.c (user_label_prefix): New.
7054 (main): Set it off -f*leading-underscore.
7055 (special_symbol): Use it.
7056 * cpplib.c (special_symbol): Likewise.
7057 (cpp_handle_option): Handle -f*leading-underscore.
7058 * cppulp.c: New file.
7060 * output.h (user_label_prefix): Declare it.
7061 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7062 * toplev.c (f_options, main): Handle -f*leading-underscore.
7064 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7065 referencing USER_LABEL_PREFIX directly.
7066 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7067 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7068 * final.c (asm_fprintf): Use user_label_prefix instead.
7069 * arm/thumb.c (thumb_print_operand): Likewise.
7071 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7072 cpp wherever appropriate.
7074 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7076 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7077 specific compiler switches.
7079 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7081 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7084 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7086 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7087 structure which has exactly the members provided by EXTRA_SPECS.
7088 Xmalloc() the real `extra_specs', and initialize it from this
7089 intermediate structure.
7091 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7093 * mips.h (EXTRA_SPECS): Likewise.
7095 * sparc.h (EXTRA_SPECS): Likewise.
7097 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7099 * function.c (purge_addressof_1): Instead of aborting when a
7100 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7101 work just put the ADDRESSOF on stack. Otherwise remember all such
7102 successfull replacements, so that exactly the same replacements
7103 can be made on the REG_NOTEs. Remove the special case for CALL
7105 (purge_addressof_replacements): New variable.
7106 (purge_addressof): Clear it at end.
7108 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7110 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7111 (lang_init): Call check_newline always.
7112 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7113 cpp_start_read, set yy_cur and yy_lim to read from
7114 parse_in.token_buffer, so that we'll see the first #line
7116 * cpplib.c (cpp_start_read): finclude the main input file
7117 before processing -include/-imacros. Process -imacros and
7118 -include separately, and handle -include by stacking a
7119 buffer for the file in question as if it'd been #included.
7120 * toplev.c (documented_lang_options) Recognize -H when
7123 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7125 * cpplib.c: Merge do_once into do_pragma. Break file handling
7126 code out of do_include.
7127 Move append_include_chain, deps_output,
7128 file_cleanup, redundant_include_p, import_hash,
7129 lookup_import, add_import, read_filename_string, read_name_map,
7130 open_include_file, finclude, safe_read to cppfiles.c.
7131 Move prototypes for deps_output, append_include_chain,
7132 finclude to cpplib.h. Move definition of struct
7133 file_name_list there also.
7135 * cppfiles.c: New file. Contains all the above functions
7136 broken out of cpplib.c; also hack_vms_include_specification
7137 from cccp.c and find_include_file, a new function broken out of
7140 * Makefile.in (cppmain): Depend on cppfiles.o.
7141 (fix-header): Likewise.
7142 (cppfiles.o): New target.
7143 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7144 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7146 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7148 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7149 if pending_types is non-zero.
7150 (dwarfout_finish): Verify pending_types is zero before finishing.
7152 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7154 * expr.c (convert_move): Use shifts to perform the move if a
7155 suitable extend pattern cannot be found. Code written by
7156 Richard Henderson <rth@cygnus.com>.
7158 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7160 * regclass.c (renumber, regno_allocated): New static variables, moved
7161 out of allocate_reg_info.
7162 (allocate_reg_info): Move these two variables outside the function.
7163 Move code to free memory into new function free_reg_info.
7164 (free_reg_info): New function, broken out of allocate_reg_info.
7165 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7166 * rtl.h (allocate_reg_info): Don't declare.
7167 (free_reg_info): Declare.
7169 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7171 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7173 * toplev.c (compile_file): Temporarily revert last change.
7175 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7177 * c-typeck.c (convert_for_assignment): Parenthesize.
7179 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7181 * reload1.c (delete_output_reload): Avoid ambigous else.
7183 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7185 * toplev.c (compile_file): Call allocate_reg_info to free register
7187 * rtl.h (allocate_reg_info): Declare.
7189 * PROJECTS: Remove entry for local spilling.
7191 * final.c (cleanup_subreg_operands): New function.
7192 (final_scan_insn): Use it.
7193 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7195 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7196 operands when reload has finished.
7197 * reload.h (cleanup_subreg_operands): Declare..
7198 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7199 reload. Handled in reload itself.
7201 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7203 * reload1.c (verify_initial_offsets): New function.
7204 (reload): Call it after reload_as_needed. Also verify that the frame
7205 size stays constant during reload_as_needed.
7206 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7208 * reload.h (struct insn_chain): Add need_operand_change element.
7209 * reload1.c (new_insn_chain): Clear it.
7210 (calculate_needs_all_insns): Set it; don't overload need_reload.
7211 (reload_as_needed): Use it.
7213 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7214 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7215 and reload_address_index_reg_class.
7216 (find_reloads_address_1): Likewise.
7217 * reload.h (reload_address_base_reg_class,
7218 reload_address_index_reg_class): Don't declare.
7219 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7220 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7221 (used_spill_regs): Now static.
7222 (reload_address_base_reg_class, reload_address_index_reg_class,
7223 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7224 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7225 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7228 (init_reload): Delete code to compute base/index reg classes.
7229 (reload): Delete variable J.
7230 Delete code to manage basic_block_needs.
7231 Don't compute regs_explicitly_used.
7232 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7233 pseudo_previous_regs.
7234 Initialize bad_spill_regs_global.
7235 Don't call order_regs_for_reload here.
7236 Don't initialize spill_reg_order and n_spills.
7237 Don't forbid explicitly used regs to be used for spill regs.
7238 Change main loop to infinite loop, with explicit break statements.
7239 Make SOMETHING_CHANGED variable local to that loop.
7240 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7241 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7242 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7244 Don't call dump_needs.
7245 Delete code to reset potential_reload_regs.
7246 Delete code to terminate loop conditional on the global needs variables
7247 showing no further needs.
7248 (calculate_needs_all_insns): Return void. All callers changed.
7249 Initialize somehing_needs_elimination here, not in reload.
7250 Delete avoid_return_reg kludge.
7251 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7252 All callers changed.
7253 Initialize the group_mode and group_size elements of the arg CHAIN.
7254 Delete code to manage basic_block_needs.
7255 Operate on elements of CHAIN instead of global variables.
7256 Delete avoid_return_reg kludge.
7257 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7258 All callers changed.
7259 Operate on elements of CHAIN instead of global variables.
7260 Delete special SMALL_REGISTER_CLASSES code.
7261 Delete spill_failure code; now in new_spill_reg.
7262 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7263 All callers changed.
7264 Operate on elements of CHAIN instead of global variables.
7265 (maybe_mark_pseudo_spilled): New static function.
7266 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7267 All callers changed.
7268 Operate on elements of CHAIN instead of global variables.
7269 Call order_regs_for_reload here, not in reload.
7270 Initialize spill_reg_order and n_spills.
7271 Simplify test whether an asm insn is involved.
7272 Delete spill_failure code; now in new_spill_reg.
7273 Call maybe_mark_pseudo_spilled for everything marked as live in
7274 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7276 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7277 compiler from optimizing this function (now unused) away.
7278 Operate on elements of CHAIN instead of global variables.
7279 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7281 Operate on elements of CHAIN instead of global variables.
7282 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7283 take CHAIN arg. All callers changed.
7284 Operate on elements of CHAIN instead of global variables.
7285 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7286 CHAIN, NONGROUP args. Return void. All callers changed.
7287 Verify caller isn't trying to spill a pseudo.
7288 Simplify test for illegal reg, just use bad_spill_regs.
7289 Generate better error messages.
7290 Operate on elements of CHAIN instead of global variables.
7291 Mark spilled register in CHAIN's used_spill_regs element.
7292 Don't call spill_hard_reg.
7293 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7294 Mark spilled hard regs in bad_spill_regs_global.
7295 Mark affected pseudos in spilled_pseudos, but don't spill them.
7296 (ior_hard_reg_set): New static function.
7297 (finish_spills): Return int. All callers changed.
7298 Compute spill_reg_order, n_spills and spill_regs here. Also update
7299 regs_ever_live for regs used as spills.
7300 For every pseudo in spilled_pseudos, spill it and mark the previous
7301 hard reg it had in pseudo_previous_regs. Compute which hard regs
7302 arseudo): New static function.
7303 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7304 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7305 hard registers explicitly used across the current insn into the set.
7306 Compute hard_reg_n_uses taking only pseudos live across this insn
7308 Tweak sorting of potential_reload_regs.
7309 (compare_spill_regs): Delete function.
7310 (reload_as_needed): Don't sort the spill_regs array, it's computed
7311 in proper order in finish_spills.
7312 Delete avoid_return_reg kludge.
7313 Delete code to manage basic_block_needs.
7314 (allocate_reload_reg): Minor speed/readability tweaks.
7315 Operate on elements of CHAIN instead of global variables.
7316 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7317 Delete avoid_return_reg kludge.
7318 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7319 Delete unused label FAIL.
7320 (reload_combine): Replce reload_address_index_reg_class with
7322 Don't use used_spill_regs to determine information about lifetime of
7325 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7327 * toplev.c (display_help): Ignore empty target specific
7328 options, and if -W is also specified on the command line then
7329 display undocumented options.
7331 * config/arm/arm.c: Updated with changes in devo sources.
7332 * config/arm/arm.h: Updated with changes in devo sources.
7333 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7334 * config/arm/lib1thumb.asm: Add ELF support.
7336 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7338 * collect2.c (aix64_flag): New variable.
7339 (main, case 'b'): Parse it.
7340 (GCC_CHECK_HDR): object magic number must match mode.
7341 (scan_prog_file): Only check for shared object if valid header.
7342 Print debugging if header/mode mismatch.
7344 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7346 Added support for arm-elf-linux configuration, submitted by Philip
7347 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7348 code developed by Catherine Moore <clm@cygnus.com>. The following
7351 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7354 * configure: Regenerated.
7356 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7357 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7358 definitions conditional on their not having been already defined.
7360 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7361 and .type directives, and add "(PLT)" qualification to function
7364 * config/arm/linux.h: Deleted. This file is now superceeded by
7365 either linux-elf.h or linux-aout.h.
7367 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7368 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7370 Move definitions from old linux.h file here.
7372 * config/arm/elf.h: New file. Generic ARM/ELF support.
7374 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7376 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7378 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7379 using the 26bit APCS.
7381 * config/arm/unknown-elf.h: New file. Support for OS'es other
7382 than Linux with ELF.
7384 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7387 * config/arm/coff.h: Include aout.h for basic assembler macros.
7388 Add support for -mstructure_size_boundary=<n> command line option.
7390 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7391 command line option. Make macro definitions conditional on their
7392 not having been already defined.
7394 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7395 command line option.
7398 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7400 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7401 has been changed to not include a newline. Use this macro instead.
7402 (output_enumeral_list, const_value_attribute, name_attribute,
7403 comp_dir_attribute, prototyped_attribute, producer_attribute,
7404 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7405 dwarfout_file_scope_decl, generate_new_sfname_entry,
7406 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7407 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7409 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7411 * combine.c (subst): Process the inputs to a parallel asm_operands
7414 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7416 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7418 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7420 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7422 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7424 * version.c: Bump for snapshot.
7426 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7428 * stmt.c (expand_fixup): Set fixup->before_jump to a
7429 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7431 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7433 * Makefile.in (recog.o): Depend on toplev.h.
7434 (insn-emit.o): Depend on recog.h.
7435 (insn-peep.o): Depend on recog.h and insn-config.h.
7437 * combine.c (simplify_set): Remove unused variable `scratches'.
7439 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7440 and `idx' in macro conditional controlling their use.
7442 * genemit.c (main): Make the generated output file include
7443 recog.h. Don't have it declare `insn_operand_constraint', since
7444 we get it from recog.h.
7446 * genpeep.c (main): Make the generated output file include
7447 insn-config.h and recog.h.
7449 * recog.c: Include toplev.h.
7450 (extract_insn): Remove unused variable `p'.
7452 * regclass.c (fix_register): Add missing braces around initializer
7454 (allocate_reg_info): Move variable `i' into the scope where it is
7455 used. Change its type to `size_t'.
7457 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7459 * reload.c (push_reload): When merging reloads, make sure
7460 that reload_in_reg and reload_in are from the same reload in
7463 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7465 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7466 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7468 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
7470 * loop.c (loop_has_tablejump): New variable.
7471 (prescan_loop): Scan for it.
7472 (insert_bct): Replace explicit scan with use of it.
7473 * regclass.c (regclass): Restore loop variable j.
7474 (record_reg_classes): Deterine op_types modifiers and initialize
7475 classes[i] before matching constraints. Handle matching
7478 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7480 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7483 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7485 * mips.h (EXTRA_SPECS): Add missing initializers.
7487 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7489 * sparc.h (EXTRA_SPECS): Add missing initializers.
7490 (sparc_defer_case_vector): Provide a prototype.
7492 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7493 comparing it to the result of a pointer subtraction.
7495 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7497 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7498 the argument to (unsigned char).
7500 * alpha.h (EXTRA_SPECS): Add missing initializers.
7501 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7504 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7506 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7507 (propagate_block): Delete dead code after reload.
7509 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7510 back Oct 15, 1998 change.
7511 * haifa-sched.c (update_flow_info): Likewise.
7512 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7514 * mn10200.md (truncated shift): Accept constant inputs too.
7516 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7518 * machmode.h (mode_mask_array): No longer const.
7519 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7521 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7523 * frame.c: Somewhat explain `FDE'.
7524 Suggested by Brendan Kehoe
7526 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7528 * expr.c (pending_chain): Move up.
7529 (save_expr_status): Do save pending_chain.
7530 (restore_expr_status): And restore it.
7531 * function.h (struct function): Add pending_chain.
7533 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7535 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7536 did not match the code.
7538 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7540 * regclass.c (regclass): Break out some code into new function
7541 scan_one_insn, and into regclass_init.
7542 (init_cost): New static variable, moved out of regclass.
7543 (regclass_init): Initialize it here, not in .
7544 (scan_one_insn): New static function, broken out of regclass.
7545 * recog.c (apply_change_group): Break out some code into new
7546 function insn_invalid_p.
7547 (insn_invalid_p): New static fn, broken out of apply_change_group.
7549 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7551 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7552 reg_reloaded_contents matches incremented pseudo.
7554 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7556 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7558 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7559 addressing modes with side effects. These are currently
7560 placeholders for the C4x target.
7562 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7564 * loop.c (express_from): Make sure that when generating a PLUS of
7565 a PLUS, any constant expression appears on the outermost PLUS.
7567 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7569 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7570 works if "$(srcdir)" != ".".
7572 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7574 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7575 existing SUBREG if we can, otherwise abort.
7577 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7579 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7580 `restrict' is applied to a non-pointer variable.
7582 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7584 * invoke.texi: Document -flang-isoc9x.
7586 * Makefile.in (OBJS): Add splay-tree.o.
7587 (c-common.o): Depend on rtl.h.
7588 (splay-tree.o): List dependencies and provide build rule.
7590 * rtl.h (record_alias_subset): New function.
7591 * alias.c: Include splay-tree.h.
7592 (alias_set_entry): New type.
7593 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7594 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7595 (mems_in_disjoin_alias_sets_p): New function.
7596 (alias_set_compare): Likewise.
7597 (insert_subset_children): Likewise.
7598 (get_alias_set_entry): Likewise.
7600 * tree.h (TYPE_RESTRICT): New macro.
7601 (TYPE_UNQUALIFIED): New manifest constant.
7602 (TYPE_QUAL_CONST): Likewise
7603 (TYPE_QUAL_VOLATILE): Likewise.
7604 (TYPE_QUAL_RESTRICT): Likewise.
7605 (tree_type): Add restrict_flag. Reduce count of free bits.
7606 (DECL_POINTER_ALIAS_SET): New macro.
7607 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7608 (tree_decl): Add pointer_alias_set.
7609 (build_qualified_type): New function.
7610 (build_type_variant): Define in terms of build_qualified_type.
7611 * tree.c (set_type_quals): New function.
7612 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7613 (build_type_attribute_variant): Use build_qualified_type and
7615 (build_type_variant): Rename, and modify, to become...
7616 (build_qualified_type): New function.
7617 (build_complex_type): Use set_type_quals.
7619 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7620 (C_TYPE_FUNCTION_P): Likewise.
7621 (C_TYPE_INCOMPLETE_P): Likewise.
7622 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7623 (c_apply_type_quals_to_decl): New function.
7624 (c_build_qualified_type): New function.
7625 (c_build_type_variant): Define in terms of c_build_qualified_type.
7626 (flag_isoc9x): Declare.
7627 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7628 (common_type): Change to use TYPE_QUALS.
7629 (comptypes): Likewise.
7630 (convert_for_assignment): Likewise.
7631 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7632 * c-decl.c (flag_isoc9x): Define.
7633 (c_decode_option): Handle -flang-isoc9x.
7634 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7635 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7636 * c-lex.c (init_lex): Deal with restrict.
7637 (init_lex): Don't treat restrict as a reserved word in
7638 -traditional mode, or without -flang-isoc9x.
7639 * c-lex.h (rid): Add RID_RESTRICT.
7640 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7641 equivalent to RID_RESTRICT.
7642 * c-parse.in (TYPE_QUAL): Update comment.
7643 * c-common.c: Include rtl.h.
7644 (c_find_base_decl): New function.
7645 (c_build_type_variant): Rename, and modify, to become ...
7646 (c_build_qualified_type): New function.
7647 (c_apply_type_quals_to_decl): Likewise.
7648 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7649 a particular alias set for the reference.
7650 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7652 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7654 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7655 command line switches.
7657 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7659 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7662 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7664 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7666 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7668 * regclass.c (fix_register): Add error message.
7669 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7672 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7674 * c-decl.c (warn_missing_noreturn): New global variable.
7675 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7676 (finish_function): Implement missing noreturn warning.
7678 * c-tree.h (warn_missing_noreturn): Declare extern.
7680 * invoke.texi: Document new flags.
7682 * toplev.c (documented_lang_options): Add description.
7684 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7686 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7687 loop optimization stable for the C4x.
7688 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7689 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7690 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7692 (c4x_address_conflict): Be more paranoid when packing a volatile
7693 memref in a parallel load/store.
7695 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7697 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7698 repeat_block_filler): Deleted.
7699 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7700 Condition code not set if destination register from 'c' class.
7701 (*subbqi3_carry_clobber): Fix typo.
7703 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7705 * reorg.c (steal_delay_list_from_target) Check for insns that
7706 modify the condition codes and effect the direction of the jump
7709 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7711 * function.c (purge_addressof_1): Replace call to
7712 emit_insns_before() with emit_insn_before().
7714 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7716 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7718 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7720 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7722 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7724 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7725 clobbered across calls.
7727 * loop.c (scan_loop): Be more selective about what invariants are
7728 moved out of a loop.
7730 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7732 * version.c: Bump for snapshot.
7734 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7736 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7737 static eh_context structure.
7739 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7741 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7743 (try_combine): Don't update max_scratch.
7744 * flow.c (max_scratch, num_scratch): Delete variables.
7745 (life_analysis_1): Don't initialize max_scratch.
7746 (propagate_block): Don't update max_scratch.
7747 (mark_set_1): Don't increment num_scratch.
7748 * regs.h (max_scratch): Delete declaration.
7750 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
7752 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
7753 is nonzero. This is temporary!
7755 * sched.c (update_flow_info): Handle death notes made invalid by
7756 instruction splitting. Partially reverts Oct 15, 1998 patch.
7757 * haifa-sched.c (update_flow_info): Likewise.
7759 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
7761 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
7762 if it has a nonzero DECL_INITIAL.
7764 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7766 * Makefile.in (flow.o): Depend on recog.h.
7768 * cpplib.h (directive_table): Add missing initializiers.
7769 (finclude): Change type of variable `bsize' to size_t.
7771 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
7773 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
7775 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
7776 `int' when comparing against one.
7777 (cpp_file_line_for_message): Mark parameter `pfile' with
7779 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
7781 * flow.c: Include recog.h.
7782 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
7784 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
7785 `f' with ATTRIBUTE_UNUSED.
7786 (reposition_prologue_and_epilogue_notes): Likewise.
7788 * genopinit.c (gen_insn): Cast argument of ctype functions to
7791 * haifa-sched.c: Include recog.h.
7792 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
7793 comparing against one.
7795 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
7797 * mips-tfile.c (parse_end): Cast the argument of ctype function to
7799 (parse_ent): Likewise.
7800 (parse_input): Likewise.
7802 * optabs.c (init_libfuncs): Likewise.
7804 * protoize.c (find_rightmost_formals_list): Likewise.
7806 * recog.h (const_double_operand): Fix typo in prototype.
7808 * tlink.c (scan_linker_output): Cast the argument of ctype
7809 function to `unsigned char'.
7811 * toplev.c (check_lang_option): Cast the result of `strlen' to
7812 `int' when comparing against one.
7814 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7816 * gcse.c (dump_cuid_table): Correct typo.
7818 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7820 * toplev.c (display_help): Prepend '-m' to target specific
7822 (check_lang_option): Ignore text after end of first word of a
7823 language specific option.
7825 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7827 * reload1.c (reg_used_by_pseudo): New static variable.
7828 (choose_reload_regs): Initialize it.
7829 Use it instead of testing spill_reg_order to determine whether a
7830 pseudo is live in a hard register across the current insn.
7831 Fix a typo in a reference to reload_reg_rtx.
7833 * flow.c (propagate_block): Replace code that computes and uses
7834 regs_sometimes_live with simpler code that just walks the set of
7835 currently live registers.
7837 * Makefile.in (insn-extract.o): Fix dependencies.
7838 * genextract.c (main): Generate includes for insn-config.h and
7840 Delete generation of declarations which are now in recog.h.
7841 * genrecog.c (main): Delete generation of definitions which are
7843 * local-alloc.c (block_alloc): Use extract_insn and the variables
7844 it sets up instead of looking up values by insn_code.
7845 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7846 recog_dup_num): Define here instead of generating the definition in
7848 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7849 recog_operand_mode, recog_constraints, recog_operand_address_p):
7851 (extract_insn): New function.
7852 * recog.h (extract_insn): Declare function.
7853 (which_alternative, recog_n_operands, recog_n_dups,
7854 recog_n_alternatives, recog_operand_mode, recog_constraints,
7855 recog_operand_address_p): Declare variables.
7856 * regclass.c (n_occurrences): New static function.
7857 * reload.c (n_occurrences): Delete function.
7858 (find_reloads): Use extract_insn.
7859 * reload.h (n_occurrences): Delete declaration.
7861 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
7863 * reload1.c (reload_as_needed): Fix test for when to call
7864 update_eliminable_offsets.
7866 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7868 Fix consistency problems with reg_equiv_{mem,address};
7869 Improve reload inheritance;
7871 * reload.c (reload_out_reg): New variable.
7872 (loc_mentioned_in_p, remove_address_replacements): New functions.
7873 (remove_replacements): Deleted.
7874 (push_reload): Set reload_out_reg[i].
7875 When merging, also set reload_{in,out}_reg[i], and remove
7876 duplicate address reloads.
7877 (combine_reloads): Copy reload_out_reg[i].
7878 (find_reloads): Do make_memloc substitution also when
7879 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7881 Include *recog_operand_loc in commutativity operand changes.
7882 Generate optional output reloads.
7883 Delete reference to n_memlocs. Don't set *recog_operand_loc before
7884 processing operands. Call make_memloc in reg_equiv_address code.
7885 Set *recog_operand_loc only after processing operands, and only
7886 if replace is true. Return a value.
7887 When changing address reload types for operands that didn't get
7888 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
7889 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
7890 Don't emit USEs for pseudo SUBREGs when not replacing.
7891 (find_reloads_address): Do make_memloc substitution also when
7892 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7894 (find_reloads_toplev): Likewise.
7895 Call make_memloc in reg_equiv_address code.
7896 (debug_reload_to_stream): Add code to output reload_out_reg.
7897 (make_memloc): Delete local variable i, ifdefed out code, and
7898 references to memlocs and n_memlocs.
7899 (memlocs, n_memlocs): Delete.
7900 (push_secondary_reload): Clear reload_out_reg.
7901 (find_reloads_address_1): Provide memrefloc argument to all calls
7902 to find_reloads_address.
7903 In AUTO_INC code, handle non-directly addressable equivalences properly.
7904 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
7905 (find_reloads): Add return type.
7906 (remove_address_replacements, deallocate_reload_reg): Declare.
7907 * reload1.c (num_not_at_initial_offset): No longer static.
7908 (delete_address_reloads, delete_address_reloads_1): Likewise.
7909 (deallocate_reload_reg): New function.
7910 (spill_reg_stored_to): New array.
7911 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
7912 (eliminate_regs_in_insn): Move assignments of previous_offset and
7913 max_offset fields, and recalculation of num_not_at_initial_offset
7914 into new static function:
7915 (update_eliminable_offsets) .
7916 (reload_as_needed): Call update_eliminable_offsetss after calling
7918 Call forget_old_reloads_1 with contents of reloaded auto_inc
7919 expressions if the actual addressing can't be changed to match the
7921 (choose_reload_regs): For inheritance, replace
7922 reload_reg_free_before_p test with reload_reg_used_at_all test, and
7923 remove stand-alone reload_reg_used_at_all test.
7924 Use reload_out_reg to determine which reload regs have output reloads.
7925 Treat reload_override_in more similar to inherited reloads.
7926 Handle (subreg (reg... for inheritance.
7927 For flag_expensive_optimizations, add an extra pass to remove
7928 unnecessary reloads from known working inheritance.
7929 Delete obsolete code for pseudos replaced with MEMs.
7930 Handle inheritance from auto_inc expressions.
7931 (emit_reload_insns): If reload_in is a MEM, set OLD to
7933 Don't reload directly from oldequiv; if it's a pseudo with a
7934 stack slot, use reload_in[j].
7935 Check that reload_in_reg[j] is a MEM before replacing reload_in
7936 from reg_reloaded_contents.
7937 Include non-spill registers in reload inheritance processing.
7938 Also try to use reload_out_reg to set spill_reg_store /
7939 reg_last_reload_reg.
7940 In code to set new_spill_reg_store, use single_set to find out if
7941 there is a single set.
7942 Add code that allows to delete optional output reloads.
7943 Add code to allow deletion of output reloads that use no spill reg.
7944 At the end, set reload_override_in to oldequiv.
7945 Also call delete_output_reload if reload_out_reg is equal to old
7947 Add code to call delete_output_reload for stores with no matching load.
7948 Set / use spill_reg_stored_to.
7949 Handle case where secondary output reload uses a temporary, but
7950 actual store isn't found.
7951 When looking for a store of a value not loaded in order to call
7952 delete_output_reload, count_occurences should return 0 for no
7953 loads; but discount inherited input reloadill_reg_stored_to.
7954 Do checks for extra uses of REG. Changed all
7956 Use delete_address_reloads.
7957 (reload): Take return value of find_reloads into account.
7958 If a no-op set needs more than one reload, delete it.
7959 (reload_reg_free_before_p): RELOAD_FOR_INPUT
7960 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
7961 for the same operand.
7962 (clear_reload_reg_in_use): Check for other reloads that keep a
7964 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
7965 RELOAD_FOR_OPADDR_ADDR.
7966 Take into account when an address address reload is only needed
7967 for the address reload we are considering.
7968 (count_occurrences): Use rtx_equal_p for MEMs.
7969 (inc_for_reload): Return instruction that stores into RELOADREG.
7970 New argument two, IN, and rtx. Changed all callers.
7971 (calculate_needs_all_insns, reload_as_needed):
7972 Don't clear after_call for a CLOBBER.
7973 Keep track of how many hard registers need to be copied from
7974 after_call, and don't clear after_call before we have seen
7975 that much copies, or we see a different instruction.
7977 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
7979 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
7980 after reload has completed.
7982 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
7984 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
7985 a macro name and the next token with a single blank if that whitespace
7986 is in a macro buffer and the next token is not '('.
7988 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
7990 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
7992 (skip_if_group): Ditto.
7993 (skip_to_end_of_comment): Ditto.
7995 (discard_comments): Ditto.
7996 (change_newlines): Ditto.
7998 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8000 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8002 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8004 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8005 (TARGET_OPTIONS): Add --help documentation.
8007 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8009 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8011 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8013 * fixinc/* Moved in from ../contrib directory in preparation
8014 for integrating it into the normal build process. In particular,
8015 fixinc/Makefile.in must be config-ed into the build directory
8016 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8017 ./configure.in will be "in the mail" momentarily.
8019 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8021 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8022 accidently walk into the free list. Comment how that can happen.
8023 (invalidate): Fix indentation.
8025 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8026 Jeffrey A Law (law@cygnus.com)
8028 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8029 reload. Never perform rescans of the insn chain after reload.
8030 (propagate_block): Do not delete insn or create new autoinc addressing
8033 * jump.c (jump_optimize): Unconditionally use the code that was
8034 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8035 * reload1.c (reload): When reloading is finished, delete all
8036 REG_DEAD and REG_UNUSED notes.
8037 (emit_reload_insns): Delete all code that was conditional on
8038 PRESERVE_DEATH_INFO_REGNO_P.
8039 (no_longer_dead_regs): Delete variable.
8040 (reload_cse_delete_death_notes): Delete function.
8041 (reload_cse_no_longer_dead): Delete function.
8042 (reload_cse_regs_1): Delete all code to handle deletion of death
8044 (reload_cse_noop_set_p): Likewise.
8045 (reload_cse_simplify_set): Likewise.
8046 (reload_cse_simplify_operands): Likewise.
8047 (reload_cse_move2add): Likewise.
8048 * reorg.c (used_spill_regs): Delete declaration.
8049 (max_label_num_after_reload): Delete declaration.
8050 (find_dead_or_set_registers): Don't assume that spill regs are
8051 dead at a CODE_LABEL.
8052 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8054 * sched.c (sched_analyze_insn): Likewise.
8055 (update_flow_info): Likewise.
8056 * haifa-sched.c (sched_analyze_insn): Likewise.
8057 (update_flow_info): Likewise.
8058 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8059 * toplev.c (max_label_num_after_reload): Delete variable.
8060 (rest_of_compilation): Don't set max_label_num_after_reload.
8061 Call life_analysis after reload_cse_regs if optimizing.
8062 * config/gmicro/gmicro.h: Delete comment referring to
8063 PRESERVE_DEATH_INFO_REGNO_P.
8064 * config/i386/i386.h: Likewise.
8065 * config/m88k/m88k.h: Likewise.
8066 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8067 * config/sh/sh.h: Likewise.
8069 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8071 * loop.c (strength_reduce): Restore marking bct_p as
8073 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8074 HAVE_decrement_and_branch_on_count.
8075 (small_data_operand): Remove TARGET_ELF condition for marking
8076 parameters ATTRIBUTE_UNUSED.
8078 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8080 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8081 (SELECT_SECTION): Resync with svr4.h.
8083 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8085 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8088 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8090 * c-pragma.c (handle_pragma_token): Test for null tree before
8091 dereferencing TREE_CODE.
8093 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8095 * config/c4x/c4x.c: Convert to use GEN_INT.
8096 (c4x_parallel_process): Rework to handle new repeat loop structure.
8098 * config/c4x/c4x.md: Convert to use GEN_INT.
8099 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8100 (decrement_and_branch_on_count): Likewise.
8102 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8103 loop.c has the desired functionality.
8104 (rc_reg_operand): New prototype.
8106 * config/c4x/t-c4x: Can now build all front ends.
8108 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8110 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8112 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8114 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8115 * config/t-rtems: Do not install assert.h -- use newlib's.
8117 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8119 * combine.c (combine_instructions): When finished, call init_recog.
8120 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8122 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8124 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8126 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8128 * cppalloc.c (memory_full): Mark function prototype with
8131 * demangle.h (collect_exit): Likewise.
8133 * fix-header.c (v_fatal, fatal): Likewise.
8135 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8138 * gcov.c (print_usage): Likewise.
8140 * genattr.c (fatal, fancy_abort): Likewise.
8142 * genattrtab.c (fatal, fancy_abort): Likewise.
8144 * gencodes.c (fatal, fancy_abort): Likewise.
8146 * genconfig.c (fatal, fancy_abort): Likewise.
8148 * genemit.c (fatal, fancy_abort): Likewise.
8150 * genextract.c (fatal, fancy_abort): Likewise.
8152 * genflags.c (fatal, fancy_abort): Likewise.
8154 * genopinit.c (fatal, fancy_abort): Likewise.
8156 * genoutput.c (fatal, fancy_abort): Likewise.
8158 * genpeep.c (fatal, fancy_abort): Likewise.
8160 * genrecog.c (fatal, fancy_abort): Likewise.
8162 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8163 __sjpopnthrow, __throw): Likewise.
8165 * objc/objc-act.c (objc_fatal): Likewise.
8167 * protoize.c (usage, aux_info_corrupted,
8168 declare_source_confusing): Likewise.
8170 * rtl.c (dump_and_abort): Likewise.
8172 * rtl.h (sets_cc0_p): Likewise.
8174 * toplev.c (float_signal, pipe_closed): Likewise.
8176 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8178 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8179 when generating the decision tree for the general case.
8181 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8182 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8184 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8186 * Makefile.in (sched.o): Depend on recog.h.
8188 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8189 (unsigned) when comparing against one.
8190 (find_base_value): Likewise.
8191 (record_base_value): Cast variable `regno' to (unsigned) when
8192 comparing against one. Cast the result of REGNO() macro to
8193 (unsigned) when comparing against one.
8194 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8196 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8197 variable where an unsigned index is needed.
8199 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8200 before comparing against one.
8202 * collect2.c: Add prototypes for functions `error', `fatal' and
8203 `fatal_perror'. Make these functions take variable arguments
8204 instead of faking it with a fixed number of args.
8205 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8208 * combine.c (can_combine_p): Mark parameter `pred' with
8210 (find_split_point): Cast variable `src' to (unsigned
8211 HOST_WIDE_INT) when comparing against one.
8212 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8213 (simplify_logical): Likewise.
8214 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8215 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8216 HOST_WIDE_INT) in shift.
8217 (simplify_and_const_int): Cast result of INTVAL() macro to
8218 `unsigned HOST_WIDE_INT' when comparing against one.
8219 (merge_outer_ops): Cast variable const0 to `unsigned
8220 HOST_WIDE_INT' when comparing against the result of
8221 GET_MODE_MASK() macro.
8222 (simplify_comparison): Likewise for variable `c0'. Cast variable
8223 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8224 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8225 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8226 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8227 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8228 comparing against one.
8229 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8231 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8232 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8233 (output_block_move): Cast `sizeof' expression to (int) when
8234 comparing against one.
8235 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8237 (save_restore_insns): Cast `base_offset' to `long' to match format
8238 specifier in fprintf.
8240 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8241 to `enum machine_mode'.
8243 * flow.c (life_analysis_1): Remove unused variable `insn'.
8245 * gcc.c (translate_options): Move variables `j' and `k' into the
8246 scope in which they are used. Change their types to `size_t'.
8247 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8248 (read_specs): Likewise.
8249 (process_command): Cast `sizeof' to (int) when comparing against one.
8250 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8251 (handle_braces): Cast both sides of `==' expression to `long' to
8252 ensure sign matching.
8253 (main): Cast variable `i' to `int' when comparing against one.
8255 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8256 int to size_t. Cast variable `i' to size_t when comparing against
8259 * genattrtab.c (convert_set_attr_alternative): Remove unused
8260 parameter `insn_code'. All callers changed.
8261 (convert_set_attr): Likewise.
8263 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8264 size_t when comparing against one. Likewise for variable `len'.
8266 * global.c (global_alloc): Cast variable `max_regno' to size_t
8267 when comparing against one. Likewise for variable `max_allocno'.
8269 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8271 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8272 `set' with ATTRIBUTE_UNUSED.
8273 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8276 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8277 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8278 (get_condition): Cast variable `const_val' to `unsigned
8279 HOST_WIDE_INT' when comparing against one. Cast unsigned
8280 expression to HOST_WIDE_INT when comparing against one.
8281 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8282 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8283 `unsigned' when comparing against one.
8285 * protoize.c (is_id_char): Change type of parameter `ch' to
8287 (munge_compile_params): Cast argument of ctype macro to (const
8289 (process_aux_info_file): Cast variable `aux_info_size' to int when
8290 comparing against one.
8291 (forward_to_next_token_char): Cast argument of ctype macro to
8292 `const unsigned char'.
8293 (edit_formals_lists): Likewise.
8294 (find_rightmost_formals_list): Likewise.
8295 (add_local_decl): Likewise.
8296 (add_global_decls): Likewise.
8297 (edit_fn_definition): Likewise.
8298 (do_cleaning): Likewise.
8299 (scan_for_missed_items): Likewise.
8300 (edit_file): Cast variable `orig_size' to (int) when comparing
8302 (main): Cast argument of ctype macro to `const unsigned char'.
8304 * recog.c (const_int_operand): Mark parameter `mode' with
8307 * regclass.c (record_reg_classes): Change type of variable `c' to
8308 `unsigned char'. Cast `char' array index to `unsigned char'.
8310 * reload.c (push_secondary_reload): Cast argument to
8311 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8313 * reload1.c (calculate_needs): Cast `char' array index to
8315 (set_label_offsets): Change type of variable `i' to unsigned int.
8316 Cast result of XVECLEN() macro to unsigned when comparing against
8318 (mark_not_eliminable): Change type of variable `i' to unsigned.
8319 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8320 when comparing against one.
8321 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8322 comparing against one.
8323 (choose_reload_regs): Hide unused label `fail'.
8324 (reload_cse_simplify_operands): Cast `char' array index to
8326 (reload_combine_note_store): Mark parameter `set' with
8327 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8329 (reload_cse_move2add): Remove unused variable `src2'.
8331 * sched.c: Include recog.h.
8332 (sched_note_set): Remove unused parameter `b'. All callers
8334 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8335 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8336 when comparing against one.
8338 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8339 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8340 comparing against one.
8342 * unroll.c (precondition_loop_p): Remove unused parameter
8343 `loop_end'. All callers changed.
8345 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8347 * reload1.c (maybe_fix_stack_asms): New static function.
8350 * reload.h (compute_use_by_pseudos): Declare.
8352 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8353 (something_needs_reloads): Delete variable.
8354 (finish_spills): New function.
8355 (compute_use_by_pseudos): New function.
8357 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8358 Use the reload_insn_chain instead of walking the rtl directly.
8360 (reload): Allocate and free spilled_pseudos.
8361 Ensure that all calls of spill_hard_reg are followed by a call to
8363 Use the insns_need_reload list instead of something_needs_reloads
8364 to find out if reload_as_needed must be called.
8365 Clear unused_insn_chains at the end.
8367 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8369 Delete code to keep track of current basic block.
8370 Walk reload_insn_chain instead of the rtl structure. Build the
8371 insns_need_reload chain.
8372 Remember which insns need reloading/elimination by setting the
8373 appropriate fields in struct insn_chain, not by putting modes on the
8376 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8377 arg INSN. All callers changed.
8378 Delete declaration of struct needs.
8379 Don't set something_needs_reloads.
8380 Record insn needs in the CHAIN argument.
8382 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8384 (reload_as_needed): Lose FIRST arg. All callers changed.
8385 Walk the reload_insn_chain instead of the rtx structure.
8386 Delete code to keep track of current basic block.
8387 Rename one of the NEXT variables to OLD_NEXT.
8389 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8391 (choose_reload_regs): Likewise.
8393 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8396 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8397 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8398 (hard_regs_live, hard_regs_need_restore): Delete variables.
8399 (n_regs_saved): Now static.
8400 (referenced_regs, this_insn_sets): New variables.
8402 (setup_save_areas): Restructure the code a bit.
8404 (restore_referenced_regs): Delete function.
8405 (mark_referenced_regs): New function, similar to the old
8406 restore_referenced_regs, but mark registers in referenced_regs.
8408 (clear_reg_live): Delete function.
8409 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8410 Only mark registers in this_insn_sets.
8412 (save_call_clobbered_regs): Rework this function to walk the
8413 reload_insn_chain instead of using the list of instructions directly.
8414 Delete code to keep track of register lives, compute live regs on the
8415 fly from information in the chain.
8416 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8417 then walk the set it computes and call insert_restore as appropriate.
8419 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8421 Restructure the code a bit. Test hard_regs_saved instead of
8422 hard_regs_need_restore.
8423 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8424 args. All callers changed.
8425 Restructure the code a bit. Use TO_SAVE to determine which regs to
8426 save instead of more complicated test.
8427 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8429 Create a new insn_chain structure for the new insn and place it
8432 * rtl.texi: Update documentation to reflect that reload no longer
8433 puts modes on the insns.
8435 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8437 * function.c (purge_addressof_1): Force the first argument of a
8438 CALL insn to memory.
8440 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8442 * rtl.h: Delete duplicate prototypes. Add some missing
8444 * rtlanal.c: (for_each_rtx): Formatting tweak.
8446 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8448 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8449 to be compatible with TI compiler.
8451 * Makefile.in (USER_H): Add va-c4x.h to definition.
8453 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8455 * function.c (purge_addressof_1): Fix typo in inequality: do
8456 bitfield optimization for equal mode sizes.
8457 * expmed.c (store_bit_field): Don't take subregs of subregs in
8458 the movstrict case. Tidy a potential problem in the multi-word case.
8459 (extract_bit_field): Likewise.
8461 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8463 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8465 Compute max_uid_for_flow by calling get_max_uid after the scan.
8466 (find_basic_blocks_1): Don't emit NOPs here.
8468 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8470 * alias.c (base_alias_check): Accept new args for the modes of the
8471 two references. Use them to determine if an AND can overlap. Update
8473 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8474 to determine if an AND can overlap.
8476 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8478 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8479 check. Add comment to document problems with TARGET_SUN_FPA version
8481 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8483 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8485 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8487 * c-common.c (print_char_table): Add missing initializers.
8488 (scan_char_table): Likewise.
8489 (time_char_table): Likewise.
8491 * c-decl.c (c_decode_option): Mark parameter `argc' with
8493 (declare_parm_level): Mark parameter `definition_flag' with
8496 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8497 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8500 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8502 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8504 (expand_call): Cast result of MIN() to (unsigned int) when
8505 comparing against an unsigned value.
8507 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8509 (make_definition): Remove unused parameter `op'. All callers
8511 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8512 comparing against the result of pointer arithmetic.
8514 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8515 when comparing against one.
8517 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8518 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8520 (output_die): Move variable `i' into the scope in which it is
8521 used. Change its type to `unsigned'.
8522 (output_die): Cast the result of `strlen' to (int) when passing it
8523 to ASM_OUTPUT_ASCII().
8524 (output_pubnames): Likewise.
8525 (output_line_info): Likewise.
8527 * emit-rtl.c (global_rtl): Add missing initializers.
8529 * explow.c (promote_mode): Mark parameter `for_call' with
8532 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8533 `unsigned HOST_WIDE_INT' when comparing against one.
8534 (synth_mult): Change type of variable `cost' to int.
8535 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8537 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8538 when comparing against one.
8539 (get_inner_reference): Change variable `alignment' to unsigned.
8540 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8541 int) when comparing against one.
8542 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8544 * fold-const.c (div_and_round_double): Cast BASE to
8545 (HOST_WIDE_INT) when comparing against one.
8547 * gencheck.c: Include gansidecl.h.
8548 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8550 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8551 `tcode' with ATTRIBUTE_UNUSED.
8553 * real.c (edivm): Cast constant value to (unsigned long) in
8554 expression compared against an unsigned value.
8556 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8557 comparing against one.
8558 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8559 when comparing against one.
8561 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8562 (unsigned int) when comparing against one. Likewise for
8564 (smallest_mode_for_size): Likewise.
8565 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8566 (restore_storage_status): Likewise.
8568 * toplev.c (debug_args): Add missing initializer.
8569 (f_options): Spelling correction. Add missing initializers.
8570 (documented_lang_options): Likewise.
8571 (debug_end_source_file): Mark parameter `lineno' with
8574 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8575 `decl' and `type' with ATTRIBUTE_UNUSED.
8577 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8578 when comparing against one.
8579 (assemble_variable): Mark parameter `top_level' with
8581 (assemble_external_libcall): Mark parameter `fun' with
8583 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8586 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8588 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8589 Replace use of r5 with use of r19.
8591 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8593 * config/v850/v850.c (compute_register_save_size): Allow for the
8594 fact that helper functions save all registers, not just those used
8597 Replace constant 31 with macro LINK_POINTER_REGNUM.
8599 * config/v850/v850.md: Use 'indirect_operand' rather than
8600 'memory_operand' for bit test/set/clear patterns.
8602 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8604 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8605 * varasm.c (assemble_start_function et al): Don't call
8606 ASM_GLOBALIZE_LABEL for weak symbols.
8608 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8610 * cse.c (equiv_constant): Check for NULL return from
8611 gen_lowpart_if_possible().
8613 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8615 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8617 * collect2.c (main): Pass -EL/-EB through to the compiler.
8619 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8621 * expr.c (push_block): Handle targets where the stack grows
8622 to higher addresses, but args grow to lower addresses and
8623 ACCUMULATE_OUTGOING_ARGS is not defined.
8625 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8627 * config/v850/v850.c (print_operand): Extend meaning
8628 of 'c' operands to support .vtinherit.
8630 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8632 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8633 Added ATTRIBUTE_UNUSED to unused function arguments.
8634 (rc_reg_operand): New predicate.
8635 (c4x_rptb_insert): New function.
8636 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8637 (c4x_optimization_options): New function.
8639 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8640 (decrement_and_branch_on_count): New pattern.
8641 (rptb_top): Modified pattern to work with BCT optimization.
8643 * config/c4x/c4x.h (RC_REG): New register class.
8644 (rc_reg_operand): Define prototype.
8645 (IS_RC_REG): New macro.
8646 (IS_RC_OR_PSEUDO_REG): New macro.
8647 (IS_RC_OR_PSEUDO_REGNO): New macro.
8648 (OPTIMIZATION_OPTIONS): Define.
8650 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8652 * collect2.c (extract_init_priority): No priority is 65535.
8654 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8656 * Makefile.in (build_tooldir): new variable, same as old
8657 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8658 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8659 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8661 * configure.in (gxx_include_dir): set default based on unlibsubdir
8662 * Makefile.in (tooldir): ditto
8663 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8664 gxx_include_dir, includedir and tooldir
8665 (protoize.o, unprotoize.o): ditto
8667 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8669 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8671 * config/arm/thumb.c (thumb_override_options): Add warning about
8672 PIC code not being supported just yet.
8674 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8676 * flow.c: Update comment.
8677 (notice_stack_pointer_modification): New static function.
8678 (record_volatile_insns): Use it.
8679 (mark_regs_live_at_end): Mark the stack pointer as alive
8680 at the end of the function if current_function_sp_is_unchanging
8682 (life_analysis_1): Set current_function_sp_is_unchanging.
8683 * function.c: Define it.
8684 (init_function_start): Initialize it.
8685 * output.h: Declare it.
8686 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8687 the stack pointer as alive at the end of the function if
8688 current_function_sp_is_unchanging is set.
8689 * i386.c (ix86_epilogue): Optimize the restoring
8690 of the stack pointer.
8692 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8694 * version.c: Bump for snapshot.
8696 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8698 * c-pragma.c (handle_pragma_token): If passed a token instead
8699 of a tree, use that as the pack value.
8701 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8703 * flow.c (find_basic_blocks_1): Fix prototype.
8705 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8707 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8708 (struct tree_decl): New fields no_check_memory_usage.
8709 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8710 (init_attributes): Register it as a new attribute.
8711 (decl_attributes): Set flags on functions given that attribute.
8712 * c-decl.c (duplicate_decls): Merge new attribute.
8713 * expr.h (current_function_check_memory_usage): Declare new var.
8714 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8715 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8716 current_function_check_memory_usage.
8717 * function.h: Add field to struct function.
8718 * function.c (current_function_check_memory_usage): Define it.
8719 (push_function_context_to, pop_function_context_from): Save and
8721 (expand_function_start): Set it, based on global flag and function
8724 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8725 check non-automatic variables, to permit detection of writes to
8726 read-only locations in embedded systems without memory management.
8727 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8728 when emitting chkr_set_right_libfunc call, even if the argument is
8729 BLKmode or variable-sized; don't abort.
8731 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8732 symbols in Pmode, not VOIDmode.
8734 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8736 * cppexp.c: When forcing unsigned comparisons, cast both sides
8739 * cpphash.h: Move static declaration of hashtab[]...
8740 * cpphash.c: ...here.
8742 * cpplib.c: Cast difference of two pointers to size_t before
8743 comparing it to size_t. Cast signed to unsigned
8744 before comparing to size_t. (FIXME: struct argdata should use
8745 unsigned buffer sizes.)
8746 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8747 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8748 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
8749 size_t before comparison.
8751 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
8753 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
8754 (find_basic_blocks_1): Similarly.
8755 * output.h (find_basic_blocks): Fix prototype.
8756 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
8757 find_basic_blocks anymore.
8759 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
8761 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
8762 (sbitmap_free, sbitmap_vector_free): New macros.
8763 * output.h (rtl_dump_file): Declare.
8765 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
8767 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
8769 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8771 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
8773 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
8774 (divide): Remove unused variable `tmp'.
8775 (si_to_float): Cast numeric constant to (SItype) before comparing
8778 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
8780 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
8781 * gcc.c (add_preprocessor_option): Correct typo when allocating
8782 memory, sizeof() argument had one too many `*'.
8783 (add_assembler_option): Likewise.
8784 (add_linker_option): Likewise.
8785 * gcov.c (output_data): Likewise.
8786 * local-alloc.c (memref_used_between_p): Likewise.
8787 (update_equiv_regs): Likewise.
8788 * loop.c (strength_reduce): Likewise.
8789 * reg-stack.c (record_asm_reg_life): Likewise.
8790 (subst_asm_stack_reg): Likewise.
8791 * reorg.c (dbr_schedule): Likewise.
8793 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8795 * flow.c (life_analysis_1): Break out some functions.
8796 (find_basic_blocks_1): Likewise. Also move some variables out and
8798 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
8799 new static var nonlocal_label_list with it.
8800 (active_eh_region, nested_eh_region, label_value_list,
8801 nonlocal_label_list): New static variables.
8802 (make_edges, delete_unreachable_blocks, delete_block): New static
8803 functions, broken out of find_basic_blocks_1.
8804 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
8805 noop_move_p): New static functions, broken out of life_analysis_1.
8807 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
8809 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
8810 Take extra care for op0 now possibly being a subreg.
8811 (extract_bit_field): Likewise.
8812 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
8813 the reg to memory if there is no equal sized integral mode.
8814 * stor-layout.c (int_mode_for_mode): New function.
8815 * machmode.h: Prototype it.
8817 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
8819 * global.c (build_insn_chain): Verify no real insns exist past the
8820 end of the last basic block, then exit the loop.
8822 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
8824 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
8826 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
8828 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
8830 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
8832 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8834 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8836 * flow.c (find_basic_blocks): Correctly determine when a call
8837 is within an exception region.
8839 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8841 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8843 * cpplib.h: Protect from multiple inclusions.
8844 * cpplib.c: Fix minor formatting problems.
8846 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8848 * jump.c (jump_optimize): Revert accidental patch.
8850 * Makefile.in (cpplib.o): Use unlibsubdir.
8852 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8854 * loop.c (get_condition): Allow combine when either compare is
8857 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8859 * version.c: Bump for snapshot.
8861 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
8863 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
8864 (init_lex): Initialize ridpointers[RID_BYREF].
8865 * c-lex.h (enum rid): Add RID_BYREF.
8866 * c-parse.gperf: Add RID_BYREF as a type qualifier.
8867 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
8868 (encode_type_qualifiers): Similarly
8869 * c-gperf.h: Rebuilt.
8871 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
8873 * c-common.c (type_for_mode): Only return TItype nodes when
8874 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8875 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
8876 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8877 (init_decl_processing): Only create TItype nodes when
8878 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8879 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
8880 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8882 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8884 * stmt.c (n_occurrences): New static function.
8885 (expand_asm_operands): Verify that all constrains match in the
8886 number of alternatives.
8887 Verify that '+' or '=' are at the beginning of an output constraint.
8888 Don't allow '&' for input operands.
8889 Verify that '%' isn't written for the last operand.
8890 * reload.c (find_reloads): Abort if an asm is found with invalid
8891 constraints; all possible problems ought to be checked for earlier.
8893 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8895 * flags.h (flag_branch_on_count_reg): Always declare
8896 * toplev.c (flag_branch_on_count_reg): Likewise.
8897 * toplev.c: Fix typos.
8899 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
8902 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
8904 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
8906 (find_basic_blocks_1): Add a nop to the end of a basic block when
8907 a trailing call insn does not have abnormal control flow.
8908 * gcse.c (pre_transpout): New variable.
8909 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
8910 (compute_pre_transpout): Calculate it.
8911 (compute_pre_ppinout): Use it to eliminate impossible placements
8912 due to abnormal control flow through calls.
8913 (compute_pre_data): Call compute_pre_transpout.
8915 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8917 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
8919 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
8921 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
8922 and matching define_insns): Tack on a `use' of the table label, so
8923 flow analysis will recognize a tablejump.
8925 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
8927 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
8928 always end basic blocks for abnormal edge reasons.
8930 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
8932 * config/i386/i386.h: Remove definition of
8933 HANDLE_PRAGMA_PACK_PUSH_POP.
8935 * config/i386/go32.h: Add definition of
8936 HANDLE_PRAGMA_PACK_PUSH_POP.
8938 * config/i386/win32.h: Add definition of
8939 HANDLE_PRAGMA_PACK_PUSH_POP.
8941 * config/i386/cygwin32.h: Add definition of
8942 HANDLE_PRAGMA_PACK_PUSH_POP.
8944 * c-pragma.c (insert_pack_attributes): Do not insert
8945 attributes unless #pragma pack(push,<n>) is in effect.
8947 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
8949 * expr.c (emit_group_store): Handle a PARALLEL destination.
8951 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
8953 * gcse.c (pre_insert_insn): When a call ends a bb, insert
8954 the new insns before the argument regs are loaded.
8956 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8958 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
8959 (c-parse.gperf): Update comments describing invocation flags.
8960 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
8962 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
8964 * reload1.c (reload): Call free before clobbering the memory
8965 locations or constants pointers.
8967 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8969 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
8970 for efficiency by checking whether we need to modify the current
8971 stack permission at all.
8972 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
8973 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
8974 __enable_execute_stack libcall here too if
8975 TRANSFER_FROM_TRAMPOLINE is defined.
8976 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
8979 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
8981 * Makefile.in (DRIVER_DEFINES): Remove last change.
8983 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8985 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
8986 insns we're going to copy.
8987 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
8989 * loop.c (count_one_set): Add prototype.
8991 * caller-save.c (restore_referenced_regs): Lose mode argument.
8992 (insert_save): Lose mode argument.
8993 (insert_restore): Lose mode argument.
8994 (insert_one_insn): Lose mode argument.
8995 (save_call_clobbered_regs): Lose mode argument.
8996 (setup_save_areas): Take no argument and return void. All callers
8998 Don't verify validity of memory addresses.
8999 * reload.h (setup_save_ares): Adjust prototype.
9000 (save_call_clobbered_regs): Likewise.
9001 * reload1.c (delete_caller_save_insns): New function.
9002 (caller_save_spill_class): Delete variable.
9003 (caller_save_group_size): Delete variable.
9004 (reload): Call setup_save_areas and save_call_clobbered_regs
9005 in the main loop, before calling calculate_needs_all_insns.
9006 Don't call save_call_clobbered_regs after the loop.
9007 Call delete_caller_save_insns at the end of an iteration if
9009 Delete code to manage caller_save_spill_class.
9010 Emit the final note before setting reload_first_uid.
9011 Simplify test that determines whether reload_as_needed gets run.
9012 (calculate_needs): Delete code to manage caller_save_spill_class.
9014 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9016 * collect2.c (main): Initialize ld_file_name.
9018 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9020 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9021 check for flag_function_sections.
9023 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9025 * cse.c (insert_regs): Fix bug in Sep 24 change.
9027 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9029 * flags.h (flag_dump_unnumbered): Declare.
9030 * toplev.c (flag_dump_unnumbered): Don't declare.
9031 * print-rtl.c (flags.h): Include.
9032 (print_rtl_single): Add return value.
9033 * rtl.h (print_rtl_single): Update declaration.
9034 * flow.c (flag_dump_unnumbered): Don't declare.
9035 (print_rtl_with_bb): Use return value of print_rtl_single.
9037 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9039 * loop.c (count_one_set): New static function, broken out of
9041 (count_loop_regs_set): Call it.
9042 * global.c (mark_reg_store): Handle clobbers here by not calling
9044 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9045 is in fact a clobber.
9046 * integrate.c (process_reg_param): New function, broken out of
9047 expand_inline_function.
9048 (expand_inline_function): Call it.
9051 * i386.md (addsidi3_1): Delete unused variable temp.
9052 (addsidi3_2): Likewise.
9053 (clstrstrsi): Delete unused variable addr1.
9055 * rtl.h: Don't declare any functions also declared in recog.h.
9057 * Makefile.in (stupid.o): Update dependencies.
9058 (global.o): Likewise.
9060 * global.c: Include reload.h
9061 (reg_becomes_live): New function.
9062 (reg_dies): New function.
9063 (build_insn_chain): New function.
9064 (global_alloc): Call build_insn_chain before calling reload.
9066 * reload.h (struct needs): New structure definition.
9067 (struct insn_chain): Likewise.
9068 (reload_insn_chain): Declare variable.
9069 (new_insn_chain): Declare function.
9072 * reload1.c (reload_startobj): New variable.
9073 (reload_insn_chain): New variable.
9074 (unused_insn_chains): New variable.
9075 (new_insn_chain): New function.
9076 (init_reload): Initialize reload_startobj, not reload_firstobj.
9077 (reload): Initialize reload_firstobj.
9078 Before returning, free everything on the reload_obstack.
9080 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9081 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9082 current_chain): New variables.
9083 (reg_where_born): Delete variable.
9084 (REG_WHERE_BORN): New macro.
9085 (find_clobbered_regs): New function.
9086 (stupid_life_analysis): Don't allocate/free reg_where_born.
9087 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9088 reg_where_dead_chain.
9089 Use REG_WHERE_BORN instead of reg_where_born.
9090 While processing the insns, build the reload_insn_chain with
9091 information about register lifetimes.
9092 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9093 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9095 Compute and information about birth and death of pseudo registers in
9096 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9097 Delete code to set elements of reg_where_born.
9099 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9101 * tree.def (GOTO_EXPR): Modified documentation.
9102 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9105 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9107 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9108 loop_final_value, loop_comparison_code): No longer static.
9109 (unroll_loop): Delete loop_start_value update.
9110 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9111 loop_final_value, loop_comparison_code): Extern.
9112 (loop_start_value): Delete extern.
9113 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9114 loop_comparison_value, loop_comparison_code): Delete.
9115 (loop_optimize): Remove initialization for deleted variables.
9116 (strength_reduce): Delete analyze_loop_iterations call. Only call
9117 insert_bct if flag_branch_count_on_reg set.
9118 (analyze_loop_iterations): Delete.
9119 (insert_bct): Remove iteration count calculation. Move checks for
9120 viable BCT optimization to here. Obtain iteration count from
9121 loop_iterations and correct for unrolling. Check for enough
9122 iteration to be beneficial. Comment out runtime iteration count
9124 (insert_bct): Print iteration count in dump file. Remove
9125 loop_var_mode and use word_mode directly.
9127 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9128 * rs6000.c (rs6000_override_options): Use it.
9129 (optimization_options): Enable use of flag_branch_on_count_reg.
9130 * rs6000.md (define_function_unit): Describe 604e.
9132 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9134 * loop.c (move_movables): Corrected threshold calculation for
9135 moved_once registers.
9137 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9139 * loop.c (combine_givs_p): Fix test for identical givs.
9141 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9143 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9144 call abort if the function is already defined.
9146 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9148 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9149 truncation is not a no-op.
9151 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9153 * version.c: Bump for snapshot.
9155 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9157 * version.c: Bump for snapshot.
9159 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9161 * expmed.c (expand_divmod): Don't widen for computing remainder
9162 if we seem to have a divmod pattern for needed mode.
9164 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9166 * cpplib.c (macroexpand): Correct off-by-one error in handling
9169 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9171 * combine.c (expand_field_assignment): Don't do bitwise operations
9172 on MODE_FLOAT; pun to MODE_INT if possible.
9174 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9175 scott snyder <snyder@d0sgif.fnal.gov>
9177 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9178 linker. Recognize mangled names in quotes.
9180 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9182 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9183 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9184 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9185 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9187 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9189 * function.c (purge_addressof_1): If trying to take a sub-word
9190 integral piece of a floating point mode, put it on the stack.
9192 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9194 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9196 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9198 * PROJECTS: Remove template friends.
9200 * collect2.c (sort_ids): Remove unused variable.
9202 * tm.texi (MATH_LIBRARY): Document.
9203 (NEED_MATH_LIBRARY): Remove.
9205 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9206 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9208 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9210 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9211 last_end to 0x7fffffff.
9213 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9215 * function.c (purge_addressof_1): Do not perform endianness
9216 corrections on bitpos, who we call will do it for us.
9218 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9220 * h8300.c (WORD_REG_USED): Fix typo.
9221 (initial_offset): Use WORD_REG_USED.
9223 * h8300.c (handle_pragma): Fix typo.
9225 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9227 * caller-save.c (insert_save_restore): Break this function up
9228 into new functions insert_restore, insert_save and insert_one_insn.
9229 All callers changed.
9230 (insert_restore): New function, mostly broken out of
9231 insert_save_restore.
9232 (insert_save): Likewise.
9233 (insert_one_insn): Likewise.
9234 (restore_referenced_regs): New argument BLOCK. All callers changed.
9235 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9236 in this function, do it in insert_one_insn instead.
9238 * reload1.c (reload): Break out some more pieces into separate
9240 (dump_needs): New function, broken out of reload.
9241 (set_initial_elim_offsets): Likewise.
9242 (init_elim_table): Likewise.
9243 (update_eliminables): Likewise.
9245 * global.c (global_alloc): Delete code to manage the scratch_list.
9246 * local-alloc.c (qty_scratch_rtx): Delete.
9247 (scratch_block): Delete.
9248 (scratch_list): Delete.
9249 (scratch_list_length): Delete.
9250 (scratch_index): Delete.
9251 (alloc_qty_for_scratch): Delete.
9252 (local-alloc): Update initialization of max_qty.
9253 Delete code to manage the scratch list.
9254 Delete code to allocate/initialize qty_scratch_rtx.
9255 (block_alloc): Don't allocate quantities for scratches.
9256 Delete code to manage the scratch list.
9257 * regs.h (scratch_list): Delete declaration.
9258 (scratch_block): Delete declaration.
9259 (scratch_list_length): Delete declaration.
9260 * reload1.c (reload): Delete code to manage the scratch list.
9261 (spill_hard_reg): Likewise.
9262 (mark_scratch_live): Delete.
9264 * recog.c (alter_subreg): Delete declaration.
9266 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9268 * Makefile.in (cccp.o): Fix typo in last patch.
9270 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9272 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9273 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9275 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9277 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9278 NULL_RTX as an argument.
9280 * Makefile.in (unlibsubdir): Define.
9281 (DRIVER_DEFINES): Use unlibsubdir.
9282 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9283 (stmp-fixinc): Similarly.
9285 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9287 * regmove.c (regmove_optimize): Add variable old_max_uid.
9288 At the end of the function, update basic_block_end.
9290 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9292 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9293 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9296 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9298 * config/arm/arm.c: Improve interworking support.
9300 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9302 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9303 copied from reload_out[r] .
9305 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9307 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9308 with more than three size ranges.
9310 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9312 * rtl.c (mode_name): Add a null string at the end of the array.
9313 (mode_wider_mode): Change type to unsigned char.
9314 (mode_mask_array): New variable.
9315 (init_rtl): Update for mode_wider_mode type change.
9317 * rtl.h (mode_wider_mode): Change type to unsigned char.
9318 (mode_mask_array): Declare.
9319 (GET_MODE_MASK): Use mode_mask_array.
9321 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9323 * calls.c (expand_call) : Encapsulate code into
9324 copy_blkmode_from_reg.
9325 * expr.c (copy_blkmode_from_reg): New function.
9326 * expr.h (copy_blkmode_from_reg): New function.
9327 * integrate.c (function_cannot_inline_p): We can inline
9329 (expand_inline_function): Use copy_blkmode_from_reg
9330 if needed. Avoid creating BLKmode REGs.
9331 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9334 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9336 * config/v850/v850.c: Add function prototypes.
9337 Add support for v850 special data areas.
9339 * config/v850/v850.h: Add support for v850 special data areas.
9341 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9342 HANDLE_PRAGMA_PACK_PUSH_POP.
9343 (push_alignment): New function: Cache an alignment requested
9344 by a #pragma pack(push,<n>).
9345 (pop_alignment): New function: Pop an alignment from the
9347 (insert_pack_attributes): New function: Generate __packed__
9348 and __aligned__ attributes for new decls whilst a #pragma pack
9350 (add_weak): New function: Cache a #pragma weak directive.
9351 (handle_pragma_token): Document calling conventions. Add
9352 support for #pragma pack(push,<n>) and #pragma pack (pop).
9354 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9355 are defined enable HANDLE_PRAGMA_PACK.
9356 Move 'struct weak_syms' here (from varasm.c).
9357 Add pragma states for push and pop pragmas.
9359 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9362 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9363 HANDLE_GENERIC_PRAGMAS.
9365 * varasm.c: Move definition of 'struct weak_syms' into
9367 (handle_pragma_weak): Deleted.
9369 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9371 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9373 * c-decl.c (start_function): Add invocation of
9374 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9376 * tm.texi: Remove description of non-existant macro
9377 SET_DEFAULT_SECTION_NAME.
9379 (HANDLE_SYSV_PRAGMA): Document.
9380 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9382 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9384 * config.sub: Recognize i[34567]86-pc-udk as new target.
9385 * configure.in: Likewise.
9386 * config/i386/t-udk: New file.
9387 * config/i386/udk.h: New file.
9389 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9391 * reorg.c (check_annul_list_true_false): Remove unused variables.
9392 (steal_delay_list_from_target): Add missing "used_annul" variable.
9393 (try_merge_delay_insns): Close out half formed comment.
9395 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9397 * cpplib.c (macroexpand): If arg->raw_before or
9398 arg->raw_after, remove any no-reexpansion escape at the
9399 beginning of the pasted token. Correct handling of whitespace
9400 markers and no-reexpand markers at the end if arg->raw_after.
9402 * toplev.c (documented_lang_options): Recognize -include,
9403 -imacros, -iwithprefix, -iwithprefixbefore.
9404 * cpplib.c (cpp_start_read): Process -imacros and -include
9405 switches at the same time and in command-line order, after
9406 initializing the dependency-output code. Emit properly nested
9407 #line directives for them. Emit a #line for the main file
9408 before processing these switches, and don't do it again
9411 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9413 * function.c (purge_addressof_1): Use bitfield manipulation
9414 routines to handle mem mode < reg mode.
9416 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9418 * reorg.c (try_merge_delay_insns): Account for resources referenced
9419 in each instruction in INSN's delay list before trying to eliminate
9420 useless instructions. Similarly when looking at a trial insn's delay
9423 * reorg.c (check_annul_list_true_false): New function.
9424 (steal_delay_list_from_{target,fallthrough}): Call it and also
9425 refine tests for when we may annul if already filled a slot.
9426 (fill_slots_from_thread): Likewise.
9427 (delete_from_delay_slot): Return newly-created thread.
9428 (try_merge_delay_isns): Use its new return value.
9430 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9432 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9433 used to compute a giv or as some other non-counting use.
9435 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9437 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9438 * local-alloc.c (find_free_reg): Use it.
9439 * global.c (find_reg): Likewise.
9440 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9442 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9443 * caller-save.c (init_caller_save): Use it.
9444 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9446 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9448 * configure.in: Add --enable-cpplib option which uses cpplib
9449 for cpp, but doesn't link cpplib into cc1. Make help text
9450 capitalization consistent.
9451 * configure: Rebuilt.
9453 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9455 * function.c (gen_mem_addressof): If the address REG is
9456 REG_USERVAR_P make the new REG be so also.
9457 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9458 in an attempt to clarify slightly.
9460 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9462 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9463 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9465 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9467 * toplev.c: Fix last patch.
9469 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9471 * loop.c (get_condition): Fix typo in May 9 change.
9473 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9475 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9477 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9479 * toplev.c (documented_lang_options): Spelling corrections.
9481 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9483 * configure.in: new flags --with-ld and --with-as, equivalent
9484 to setting LD and AS environment variables. Test whether
9485 specified arguments are GNU commands, and report them with
9486 checking messages. Use the specified AS for configure
9489 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9491 * gcc.c (find_a_file): when looking for `as' and `ld', return
9492 the DEFAULT program if it exists
9493 * collect2.c (main): use DEFAULT_LINKER if it exists
9495 * gcc.c (find_a_file): the test for existence of a full
9496 pathname was reversed
9498 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9500 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9501 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9503 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9505 * tree.h (TYPE_BINFO): Document.
9507 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9509 * i386-coff.h (dbxcoff.h): Added.
9511 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9513 * toplev.c: fix bad patch around flag_data_sections.
9515 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9517 * reload1.c (reload): Use reload_address_index_reg_class and
9518 reload_address_base_reg_class when setting
9519 caller_save_spill_class. (Patch generated by Jim Wilson:
9522 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9524 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9525 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9526 * expr.c (store_field): Add alias_set parameter. Set the
9527 MEM_ALIAS_SET accordingly, if the target is a MEM.
9528 (expand_assignment): Use it.
9529 (store_constructor_field): Pass 0.
9530 (expand_expr): Likewise.
9532 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9534 * flags.h: Add flag_data_sections.
9535 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9536 (compile_file): Error if flag_data_sections not supported.
9537 * varasm.c (assemble_variable): Handle flag_data_sections.
9538 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9539 * config/mips/elf.h: Likewise.
9540 * config/mips/elf64.h: Likewise.
9541 * invoke.texi: Describe -fdata-sections.
9543 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9545 * invoke.texi (-ffloat-store): Clarify that this option
9546 does not affect intermediate results -- only variables.
9548 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9550 * cpp.texi: Update for Fortran usage from Craig.
9552 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
9554 * rs6000.c (function_arg_boundary): Revert accidental change on
9557 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9559 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9560 (output_mi_thunk): Declare.
9562 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9563 (output_function_profiler): Use r12 for temp, instead of r11 so
9564 that we preserve the static chain register.
9566 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9568 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9570 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9572 * sh.c (gen_shl_sext): Fix case 5.
9574 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9576 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9578 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9580 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9581 accessing variables until they are initialized via va_arg().
9583 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9585 * reload1.c (reload_combine): Initialize set before using.
9587 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9589 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9592 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9594 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9595 operand3 with mask before using it. Patch provided by Jim Wilson.
9597 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9599 * config/sparc/sparc.c (function_value): Perform the equivalent of
9600 PROMOTE_MODE for ARCH64.
9601 (eligible_for_epilogue_delay): Allow DImode operations in delay
9602 slot of a return for ARCH64.
9604 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9606 * sh.md (sqrtsf2): Fix mode of sqrt.
9608 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9610 * reload1.c (choose_reload_regs): Also try inheritance when
9611 reload_in is a stack slot of a pseudo, even if we already got a
9614 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9616 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9617 (reload_cse_regs): New function body: call reload_cse_regs_1,
9618 reload_combine, reload_cse_move2add.
9619 When doing expensive_optimizations, call reload_cse_regs_1 a
9620 second time after reload_cse_move2add.
9621 (reload_combine, reload_combine_note_store): New functions.
9622 (reload_combine_note_use): New function.
9623 (reload_cse_move2add, move2add_note_store): New functions.
9625 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9627 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9628 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9630 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9631 more than 3 such reloads.
9633 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9634 RELOAD_FOR_X_ADDR_ADDR reload.
9636 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9638 * expr.c (store_constructor): When initializing a field that is smaller
9639 than a word, at the start of a word, try to widen it to a full word.
9641 * cse.c (cse_insn): When we are about to change a register,
9642 remove any invalid references to it.
9644 (remove_invalid_subreg_refs): New function.
9645 (mention_regs): Special treatment for SUBREGs.
9646 (insert_regs): Don't strip SUBREG for call to mention_regs.
9647 Check if reg_tick needs to be bumped up before that call.
9648 (lookup_as_function): Try to match known word_mode constants when
9649 looking for a norrower constant.
9650 (canon_hash): Special treatment for SUBREGs.
9652 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9654 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9655 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9656 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9657 and offsets in actual stack trampoline code so they match the
9658 commentary and actually work.
9660 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9662 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9664 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9665 tmake_file. Set extra_parts to needed crt objects.
9666 * configure: Rebuilt.
9667 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9668 (TARGET_DEFAULT): Set if default is v9 or ultra.
9669 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9670 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9671 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9672 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9673 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9674 (TARGET_VERSION): Define.
9675 (MULTILIB_DEFAULT): Define.
9676 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9677 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9678 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9680 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9681 * config/sparc/sparc.c (sparc_override_options): If arch and
9682 pointer size disagree, emit diagnostic and fix it up. If
9683 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9684 V8PLUS in 64-bit mode.
9685 * config/sparc/t-linux64: New file.
9686 * config/sparc/t-sol2-64: New file.
9687 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9688 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9689 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9690 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9691 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9692 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9694 (STARTFILE_SPEC): Set approriately based upon those.
9695 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9696 disposition of DEFAULT_ARCH32_P.
9697 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9698 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9699 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9700 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9701 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9703 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9705 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9707 * rtl.h (init_virtual_regs): New function.
9708 * emit-rtl.c (init_virtual_regs): Define.
9709 (insn_emit): Use it.
9710 * integrate.c (save_for_inline_copying): Likewise.
9712 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9714 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9715 (enum reg_class): Add NONARG_LO_REGS support.
9716 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9717 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9718 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9719 completes. Re-enable HImode REG+OFFSET addresses.
9720 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9722 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9724 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9726 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9727 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9728 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9730 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9732 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9733 jumps as a single entity, taking into account the size of the
9736 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9738 * tree.def (SWITCH_EXPR): New tree node definition.
9740 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9742 * version.c: Bump for snapshot.
9744 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9746 * version.c: Bump for snapshot.
9748 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
9750 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
9753 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
9755 * Revert this patch.
9756 * reload.c (find_reloads): Do not replace a pseudo with
9757 (MEM (reg_equiv_addr)) in the initializing insn for the
9760 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
9762 * final.c (final_scan_insn): Disable tracking CC across branches.
9764 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9766 * expr.h (eh_rtime_match_libfunc): New extern declaration.
9767 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
9768 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
9769 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
9770 NULL. Only include <stdio.h> if inhibit_libc is not defined.
9772 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
9774 * toplev.c (rest_of_compilation): Skip compiling anything with
9775 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
9777 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
9779 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
9780 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
9781 use in_libcall_block.
9782 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
9783 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
9786 Mon Sep 21 14:02:23 1998
9788 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
9789 typo in no-fancy-math-387 description.
9791 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
9793 * version.c: Bump for snapshot.
9795 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
9797 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
9799 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
9801 * i386.h: (TARGET_SWITCHES) Add description fields for flags
9802 documented in install.texi.
9803 (TARGET_OPTIONS) Likewise.
9805 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
9807 * version.c: Bump for snapshot.
9809 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
9811 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
9812 * cccp.c (main): Likewise.
9814 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
9815 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
9818 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
9820 * Makefile.in (LIBS): Link in libiberty.a.
9821 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
9823 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
9825 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
9826 it to update bb boundaries. Update caller.
9827 * function.c (reposition_prologue_and_epilogue_notes): Update
9828 bb boundaries wrt the moved note.
9830 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
9832 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9834 * configure: Regenerate.
9836 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9838 * alpha.c (alpha_sr_alias_set): New variable.
9839 (override_options): Set it.
9840 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9841 (mode_mask_operand): Fix signed-unsigned comparision warning.
9842 (alpha_expand_block_move): Likewise.
9843 (print_operand): Likewise.
9844 (get_aligned_mem): Use change_address.
9845 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9846 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9847 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9848 (alpha_align_insns): Remade from old alphaev5_align_insns
9849 to handle multiple processors.
9850 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9851 * output.h (label_to_alignment): Prototype.
9853 * tree.c (new_alias_set): New function.
9854 * tree.h (new_alias_set): Declare it.
9855 * c-common.c (c_get_alias_set): Use it.
9857 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9859 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9860 to an ABS expr, convert an unsigned input to signed.
9862 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
9864 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
9866 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9868 * configure.in: Add support for c4x targets.
9869 * configure: Rebuilt.
9871 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
9873 * combine.c (distribute_notes): If an insn is a cc0 user, only
9874 delete it if we can also delete the cc0 setter.
9876 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
9878 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
9879 (invert_truthvalue): Enable truthvalue inversion for
9880 floating-point operands if -ffast-math.
9882 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9884 * configure.in: Disable collect2 for nextstep. Instead use
9886 * configure: Rebuilt.
9887 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
9888 (ENDFILE_SPEC): Define.
9889 (OBJECT_FORMAT_MACHO): Define.
9890 (EH_FRAME_SECTION_ASM_OP): Define.
9891 * crtstuff.c: Handle MACHO.
9893 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
9895 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
9897 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
9899 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
9900 (_fpadd_parts): Get sign right for 0.
9902 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9904 * ginclude/varargs.h: Add support for C4x target.
9905 * ginclude/stdargs.h: Likewise.
9907 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
9909 * alpha.c (alpha_return_addr): SET should be VOIDmode.
9910 (alpha_emit_set_long_const): Rewrite to be callable from reload
9912 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
9913 * alpha.md (movdi): Likewise.
9915 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
9917 * arm.c (add_constant): New parameter address_only, change caller.
9918 Set it non-zero if taking the address of an item in the pool.
9919 (arm_reorg): Handle cases where we need the address of an item in
9922 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
9924 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
9925 memory addresses that are not in standard canonical form.
9927 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
9929 * README.C4X: New file with information about the c4x ports.
9930 * ginclude/va-c4x.h: New file for c4x varargs support.
9931 * config/c4x: New directory with c4x port files.
9933 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
9935 * reload.c (find_reloads): Do not replace a pseudo with
9936 (MEM (reg_equiv_addr)) in the initializing insn for the
9939 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
9941 * toplev.c (rest_of_compilation): Set bct_p on second call to
9943 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
9945 (strength_reduce): Only call analyze_loop_iterations and
9946 insert_bct if bct_p set.
9947 (check_dbra_loop): Fix typo.
9948 (insert_bct): Use word_mode instead of SImode.
9949 (instrument_loop_bct): Likewise. Do not delete iteration count
9950 condition code generation insn. Initialize iteration count before
9952 * rtl.h (loop_optimize): Update prototype.
9954 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
9955 not doubleword aligned.
9957 * rs6000.c (optimization_options): New function.
9958 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
9959 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
9960 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
9961 first; cr1 can be used for FP record condition insns.
9963 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
9965 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
9968 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
9971 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
9973 (block_move_call): New function: Call a library routine to copy a
9975 (m32r_expand_block_move): New function: Expand a "movstrsi"
9976 pattern into a sequence of insns.
9977 (m32r_output_block_move): New function: Expand a
9978 "movstrsi_internal" pattern into a sequence of assembler opcodes.
9979 (m32r_block_immediate_operand): New function: Return true if the
9980 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
9982 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9984 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
9986 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
9988 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9990 * regmove.c (copy_src_to_dest): Check that modes match.
9992 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
9994 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
9996 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
9998 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
9999 narrower than FLOAT_REGS.
10001 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10003 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10005 * Makefile.in (old_gxx_include_dir): removed
10007 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10009 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10012 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10013 (sh_handle_pragma): Change function arguments to match new
10014 specification for HANDLE_PRAGMA.
10016 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10018 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10020 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10021 When generating output, initialize missing struct member to zero.
10023 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10025 * regmove.c (copy_src_to_dest): Don't copy if that requires
10026 (a) new register(s).
10028 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10030 * global.c (reg_allocno): Now static.
10031 * reload1.c (reg_allocno): Delete declaration.
10032 (order_regs_for_reload): Take no arguments. Don't treat regs
10033 allocated by global differently than those allocated by local-alloc.
10035 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10037 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10038 condition, fix format strings.
10039 (output_function_epilogue): Likewise.
10041 * m68k/m68k.c: Don't include <stdlib.h> directly.
10043 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10045 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10046 mem_first_set, mem_last_set; because 0 can be a CUID.
10047 (oprs_unchanged_p): Use new definition.
10048 (record_last_reg_set_info): Likewise.
10049 (record_last_mem_set_info): Likewise.
10050 (compute_hash_table): Likewise.
10052 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10054 * rs6000.c (output_epilogue): Handle Chill.
10056 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10057 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10059 * combine.c (make_extraction): If no mode is specified for
10060 an operand of insv, extv, or extzv, default it to word_mode.
10061 (simplify_comparison): Similarly.
10062 * expmed.c (store_bit_field): Similarly.
10063 (extract_bit_field): Similarly.
10064 * function.c (fixup_var_regs_1): Similarly.
10065 * recog.c (validate_replace_rtx_1): Similarly.
10066 * mips.md (extv, extzv, insv expanders): Default modes for most
10067 operands. Handle TARGET_64BIT.
10068 (movdi_uld, movdi_usd): New patterns.
10070 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10071 equivalent memory location unless we have been provided a scratch
10072 register. Similarly do not call find_replacement unless a
10073 scratch register has been provided.
10075 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10077 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10080 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10082 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10083 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10084 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10085 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10086 * c-decl.c (init_decl_processing): Update accordingly.
10087 * expr.c (expand_builtin): Likewise.
10089 * rtl.h (global_rtl): Add cfa entry.
10090 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10091 (LAST_VIRTUAL_REGISTER): Update.
10092 * emit-rtl.c (global_rtl): Add cfa entry.
10093 (init_emit): Initialize it.
10094 * function.c (cfa_offset): New.
10095 (instantiate_virtual_regs): Initialize it.
10096 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10097 (expand_function_end): Call expand_eh_return.
10098 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10100 * except.c (current_function_eh_stub_label): Kill.
10101 (current_function_eh_old_stub_label): Likwise; update all references.
10102 (expand_builtin_set_return_addr_reg): Kill.
10103 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10104 (expand_builtin_set_eh_regs): Kill.
10105 (eh_regs): Produce a third reg for the actual handler address.
10106 (eh_return_context, eh_return_stack_adjust): New.
10107 (eh_return_handler, eh_return_stub_label): New.
10108 (init_eh_for_function): Initialize them.
10109 (expand_builtin_eh_return, expand_eh_return): New.
10110 * except.h: Update prototypes.
10111 * flow.c (find_basic_blocks_1): Update references to the stub label.
10112 * function.h (struct function): Kill stub label elements.
10114 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10115 register number is one that would be in the previous window.
10116 Provide a dummy definition for non-windowed targets.
10117 (get_reg_addr): New function.
10118 (get_reg, put_reg, copy_reg): Use it.
10119 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10120 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10122 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10123 (alpha_init_expanders): Initialize it.
10124 (alpha_expand_epilogue): Use it.
10125 * alpha.h: Declare it.
10126 * alpha.md (eh_epilogue): New.
10128 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10129 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10131 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10133 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10136 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10138 * except.h (struct eh_entry): Add false_label field.
10139 (end_catch_handler): Add prototype.
10140 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10141 (start_catch_handler): When using old style exceptions, issue
10142 runtime typematch code before continuing with the handler.
10143 (end_catch_handler): New function, generates label after handler
10144 if needed by older style exceptions.
10145 (expand_start_all_catch): No need to check for new style exceptions.
10146 (output_exception_table_entry): Only output the first handler label
10147 for old style exceptions.
10148 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10149 mechanism into one function, if a runtime matcher is provided.
10151 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10153 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10155 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10157 * integrate.c (copy_decl_list): Fix typo.
10159 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10161 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10164 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10166 * version.c: Bump for snapshot.
10168 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10170 * version.c: Bump for snapshot.
10172 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10174 * version.c: Bump for snapshot.
10176 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10178 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10180 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10182 * configure.in: remove usage of `!' to negate the result of a
10183 command; some common shells do not support it
10185 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10187 * configure.in: in sparc9-sol2 config, use 'if test' not
10189 * configure: Rebuilt.
10191 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10193 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10194 (CPP_CPU_DEFAULT_SPEC): Likewise.
10195 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10196 for arch64 libfuncs.
10198 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10201 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10203 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10205 * collect2.c: Don't declare `sys_siglist' here.
10206 (my_strsignal): Prototype and define new function. Use it in
10207 place of `sys_siglist' hacks.
10209 * mips_tfile.c: Likewise.
10211 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10212 (GCC_NEED_DECLARATIONS): Likewise.
10214 * system.h (strsignal): Prototype it, if necessary.
10215 (sys_siglist): Declare it, if necessary.
10217 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10219 * loop.c (move_movables): While removing insn sequences, preserve
10220 the next pointer of the most recently deleted insn when we skip
10223 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10225 * objc/config-lang.in: Do not output the name of the selected
10226 thread file when building the front-end. The Makefile for the
10227 runtime library will do this.
10229 * objc/Make-lang.in: Do not build the runtime library or install
10230 the Objective C header files. The Makefile for the runtime
10231 library will do this.
10233 * objc/Makefile.in (all.indirect): Only build the front-end.
10234 (compiler): Rename to `frontend'.
10235 (obj-runtime): Remove target.
10236 (copy-headers): Likewise.
10237 (clean): No need to remove `libobjc.a' any longer.
10239 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10241 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10242 supported with -mcpu=xxx.
10244 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10246 * flow.c (mark_set_1): Recognize multi-register structure return
10247 values in CALL insns.
10248 (mark_used_regs): Likewise.
10249 (count_reg_sets_1): Likewise.
10250 (count_reg_references): Likewise.
10251 * rtlanal.c (note_stores): Likewise.
10252 (reg_overlap_mentioned_p): Likewise.
10253 * haifa-sched.c (check_live_1): Likewise.
10254 (update_live_1): Likewise.
10255 (sched_analyze_1): Likewise.
10256 (sched_note_set): Likewise.
10257 (birthing_insn_p): Likewise.
10258 (attach_deaths): Likewise.
10260 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10263 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10265 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10267 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10269 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10271 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10273 * configure.in: Add check for GAS subsection -1 support.
10274 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10275 * configure config.in: Rebuilt.
10276 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10277 SImode is subsection -1 works, else use DImode.
10278 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10279 subsection -1 works.
10280 * config/sparc/sparc.c (sparc_output_addr_vec,
10281 sparc_output_addr_diff_vec): Use them if defined.
10283 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10285 * tree.h (DECL_ORIGIN): New macro.
10286 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10287 (copy_decl_list): Use it.
10288 (integrate_parm_decls): Likewise.
10289 (integrate_decl_tree): Likewise.
10290 * dwarf2out.c (decl_ultimate_origin): Simplify.
10291 * dwarfout.c (decl_ultimate_origin): Likewise.
10292 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10293 (pushdecl): Likewise.
10295 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10297 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10299 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10301 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10303 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10305 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10306 empty or has a single entry.
10308 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10309 before calling reg_to_stack.
10311 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10313 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10314 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10316 * c-tree.h (warn_long_long): Declare it.
10318 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10320 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10321 initialized float-int union if the value is a NaN.
10323 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10325 * c-lex.c (real_yylex): Don't warn about long long constants if
10326 we're allowing long long
10328 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10330 * except.h (current_function_eh_stub_label): Declare.
10331 (current_function_eh_old_stub_label): Declare.
10332 * function.h (struct function): New members eh_stub_label and
10334 * except.c (current_function_eh_stub_label): New variable.
10335 (current_function_eh_old_stub_label): New variable.
10336 (init_eh_for_function): Clear them.
10337 (save_eh_status): Save them.
10338 (restore_eh_status): Restore them.
10339 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10340 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10341 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10342 make an edge from the block that contains it to the block starting
10343 with the label if this label is one of the eh stub labels.
10344 If eh stub labels exist, show they are reachable from the last block
10347 * reload1.c (reload): Break out several subroutines and make some
10349 (calculate_needs_all_insns): New function, broken out of reload.
10350 (calculate_needs): Likewise.
10351 (find_reload_regs): Likewise.
10352 (find_group): Likewise.
10353 (find_tworeg_group): Likewise.
10354 (something_needs_reloads): New global variable, formerly in reload.
10355 (something_needs_elimination): Likewise.
10356 (caller_save_spill_class): Likewise.
10357 (caller_save_group_size): Likewise.
10358 (max_needs): Likewise.
10359 (group_size): Likewise.
10360 (max_groups): Likewise.
10361 (max_nongroups): Likewise.
10362 (group_mode): Likewise.
10363 (max_needs_insn): Likewise.
10364 (max_groups_insn): Likewise.
10365 (max_nongroups_insn): Likewise.
10366 (failure): Likewise.
10368 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10370 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10372 * loop.c (load_mems): Copy rtx for output mem.
10374 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10376 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10377 mips1 or mips2 either.
10379 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10381 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10383 (pa_adjust_insn_length): Update to work with new marking scheme
10384 for jumps inside switch tables.
10385 * pa.md (switch_jump): Remove pattern.
10386 (jump): Handle jumps inside jump tables.
10388 * Makefile.in (profile.o): Depend on insn-config.h
10390 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10392 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10394 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10396 Add preliminary native sparcv9 Solaris support.
10397 * configure.in: Recognize sparv9-*-solaris2*
10398 * configure: rebuilt
10399 * config.sub: Recognize sparcv9 just like sparc64.
10400 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10401 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10402 32-bit and 64-bit Solaris systems.
10403 * config/sparc/t-sol2: Assemble those with cpp.
10404 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10405 (*TF*_LIBCALL): If ARCH64 use V9 names.
10406 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10408 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10410 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10411 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10413 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10415 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10416 to Pmode if CASE_VECTOR_MODE is something else.
10418 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10420 * prefix.c (update_path): Correctly handle cases where PATH is
10421 a substring of the builtin prefix, but specifies a different
10422 directory location.
10424 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10426 * expr.c: Corrected comment about what MOVE_RATIO does.
10427 * config/alpha/alpha.h: Ditto.
10428 * config/1750a/1750a.h: Ditto.
10429 * config/clipper/clipper.h: Ditto.
10430 * config/i386/i386.h: Ditto.
10432 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10434 * configure.in (m68k-next-nextstep3*): Use collect2.
10435 Similarly for x86 NeXT configurations.
10436 * configure: Rebuilt.
10438 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10440 * configure.in: Don't assume srcdir is .../gcc
10441 * configure: Rebuilt.
10443 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10445 * global.c: Update comments.
10446 (global_alloc): Assign allocation-numbers
10447 even for registers allocated by local_alloc in case
10448 they are later spilled and retry_global_alloc is called.
10449 (mark_reg_store, mark_reg_clobber,
10450 mark_reg_conflicts, mark_reg_death): Always record a
10451 conflict with a pseudo register even if it has been
10452 assigned to a hard register.
10453 (dump_conflicts): Don't list pseudo registers already assigned to
10454 a hard register as needing to be allocated, but do list their
10456 * local-alloc.c: Update comment.
10458 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10460 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10461 * configure: Rebuilt.
10463 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10465 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10467 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10468 for all targets that set -msoft-float.
10470 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10472 * toplev.c (print_switch_values): Make static to match prototype.
10474 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10476 * configure.in: If we are unable to find the "gnatbind" program,
10477 then do not configure the ada subdir.
10478 * configure: Rebuilt.
10480 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10482 * version.c: Bump for snapshot.
10484 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10486 * version.c: Bump for snapshot.
10488 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10490 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10491 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10493 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10495 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10497 * genextract.c: Have insn-extract.c include toplev.h.
10499 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10501 * toplev.c: Include expr.h.
10502 (really_sorry, fancy_abort): Remove prototypes.
10503 (set_target_switch): Add argument in prototype.
10504 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10505 (v_really_sorry): Likewise.
10506 (print_version, print_single_switch, print_switch_values): Make
10507 static and add prototype arguments.
10508 (decl_printable_name): Add prototype arguments.
10509 (lang_expand_expr_t): New typedef.
10510 (lang_expand_expr): Declare as a lang_expand_expr_t.
10511 (incomplete_decl_finalize_hook): Add prototype argument.
10512 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10513 (botch): Likewise for variable `s'.
10514 (rest_of_type_compilation): Mark variables `type' and `toplev'
10515 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10516 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10517 (display_help): Make variable `i' an `unsigned long'.
10518 (main): Remove unused parameter `envp'.
10519 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10520 Cast -1 when comparing it with a `size_t'.
10522 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10523 prototype with ATTRIBUTE_NORETURN.
10524 (fatal_insn_not_found, fatal_insn, really_sorry,
10525 push_float_handler, pop_float_handler): Add prototypes.
10526 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10527 (do_abort, botch): Add prototypes.
10529 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10531 * final.c (final): If a label is reached only from a single jump,
10532 call NOTICE_UPDATE_CC on the jump and its predecessor before
10533 emitting the insn after the label.
10535 * i386.h: Add AMD K6 support.
10536 Change TARGET_* macros to use table lookup.
10537 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10538 (ADJUST_COST): Change definition to call function in i386.c.
10539 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10540 * i386.c: Add AMD K6 support.
10541 Add constants for feature tests used by TARGET_* macros.
10542 (split_di): If before reload, call gen_lowpart and gen_highpart.
10543 (x86_adjust_cost): New function.
10544 (put_jump_code): New function.
10545 (print_operand): New codes 'D' and 'd'.
10546 * i386.md: New insn types. New insn attribute "memory".
10547 Redefine scheduling parameters to use new types and add AMD K6
10548 support. Explicitly set type of most insns.
10549 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10550 Pro and K6 prefer movl $1,reg to incl reg.
10551 (adddi3, subdi3): Set cc_status.
10552 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10553 to int; x86 can't have more than 2^31 DImode shifts per file.
10554 (setcc): Combine all setcc patterns. Allow writing memory.
10555 Combine all jump patterns using match_operator.
10556 (*bzero): Name pattern. Emit mutliple stos instructions when that
10557 is faster than rep stos.
10558 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10561 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10563 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10566 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10568 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10569 not whatever we're generating now.
10571 * alpha.c (set_frame_related_p, FRP): New.
10572 (alpha_expand_prologue): Mark frame related insns.
10573 (alpha_expand_epilogue): Likewise, but with a null FRP.
10574 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10575 * alpha.md (exception_receiver): New.
10576 * alpha/crtbegin.asm (.eh_frame): New beginning.
10577 (__do_frame_setup, __do_frame_takedown): New.
10578 * alpha/crtend.asm (.eh_frame): New ending.
10579 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10580 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10581 (ASM_FILE_START): Don't emit .file for dwarf2.
10583 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10584 * rtl.c (reg_note_name): Likewise.
10585 * rtl.texi (REG_NOTES): Likewise.
10586 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10589 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10591 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10592 * i386.md (movsf, movdf, movxf): Validate memory address returned
10593 from force_const_mem. Kill useless REG_EQUAL setting code.
10595 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10597 * m68k.md (zero_extendsidi2): Fix typo.
10599 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10601 * configure.in: Removed references to the removed file
10602 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10603 * arm*-*-netbsd* and ns32k-*-netbsd*.
10604 * config/i386/xm-netbsd.h: Removed unnecessary file.
10605 * config/m68k/xm-netbsd.h: Likewise.
10606 * config/sparc/xm-netbsd.h: Likewise.
10607 * config/mips/xm-netbsd.h: Likewise.
10609 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10611 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10612 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10614 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10615 for exact section attributions.
10617 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10619 * i386/crtdll.h (CPP_PREDEFINES): Define.
10621 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10623 * m68k.md (5200 movqi): Do not allow byte sized memory references
10624 using address regs.
10625 * m68k.c (output_move_qimode): Do not use byte sized operations on
10628 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10629 explicit rules for building. Similarly for alloca, vfprintf,
10630 choose-temp and mkstemp, getopt, getopt1, and obstack.
10631 (INCLUDES): Add $(srcdir)/../include.
10632 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10633 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10635 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10637 * gcc.c (do_spec_1): [case 'o'] Account for
10638 lang_specific_extra_outfiles.
10639 (main): Correctly clear all slots in outfiles for
10640 lang_specific_extra_outfiles. Set input_file_number before
10641 calling lang_specific_pre_link.
10643 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10645 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10647 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10649 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10651 (sparc_output_deferred_case_vectors): If no work to do, return.
10652 Fix thinko in Sept 1 change.
10654 1998-09-03 SL Baur <steve@altair.xemacs.org>
10656 * Makefile.in: add semicolon in BISON definition for portability.
10658 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10660 * config/nextstep.c (handle_pragma): Correct name of third
10663 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10665 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10666 * config/m32r/m32r.h: Make register 17 be fixed.
10667 * config/m32r/m32r.c: Use SImode for cc operations.
10669 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10671 * invoke.texi (Warning Options): Add -Wnon-template-friend
10674 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10676 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10678 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
10680 * rs6000.md (movsf): Disable explicit secondary-reload-like
10681 functionality if TARGET_POWERPC64.
10682 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10685 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10687 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10688 and term.h from fixinc.wrap.
10690 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10692 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10693 safe to include both string.h and strings.h together.
10694 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10695 which headers to search for function declarations. Continue to
10696 prefer string.h over strings.h when both are not acceptable.
10698 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10700 * configure.in: Call GCC_HEADER_STRING.
10702 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10703 to include. Continue to prefer string.h over strings.h when both
10704 are not acceptable.
10706 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10708 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10709 not assume top 32-bits of symbolic addresses are zero if
10712 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10714 * ginclude/va-alpha.h: Protect entire second portion of the
10715 file against double inclusion.
10717 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10719 Added support for the Boehm's garbage collector.
10720 * configure.in: Handle --enable-objc-gc.
10721 * configure: Rebuilt.
10722 * Makefile.in (CHECK_TARGETS): Add check-objc.
10723 (check-objc): New rule.
10724 * objc/Make-lang.in: Build a different Objective-C library that
10725 runs with the Boehm's collector.
10726 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10727 * objc/encoding.c: Correctly compute the size of compound types in
10728 the presence of bitfields. Skip the variable name of the type if
10729 any. Added support for long long.
10730 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10731 (_F_GCINVISIBLE): New mask.
10732 * objc/gc.c: New file. Compute the type memory mask associated with
10733 a class based on the runtime information.
10734 * objc/misc.c: Added the hooks that use the Boehm's collector
10735 allocation functions.
10736 * objc/objc-act.c (build_class_template): Generate a new class
10737 member (gc_object_type) to hold the class' type memory mask.
10738 (build_shared_structure_initializer): Initialize the new member to
10740 (encode_complete_bitfield): New function. Generate the new
10742 (encode_field_decl): Generate the new encoding only for the GNU
10744 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10746 (class_get_gc_object_type): New function to mark a pointer instance
10747 variable as a weak pointer.
10748 * objc/objc-features.texi: New file.
10749 * objc/objc.h (gc_object_type): New class member.
10750 * objc/objects.c (class_create_instance): Create a typed memory
10751 object when compiled with Boehm's collector support.
10752 * objc/sendmsg.c (__objc_init_install_dtable): Call
10753 __objc_send_initialize instead of setting the initialize flag.
10754 (__objc_send_initialize): Call __objc_generate_gc_type_description
10755 to generate the class type memory mask. Rewrite the code that
10756 sends the +initialize so that it is called only once (bug report
10757 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
10758 * testsuite/objc: New testsuite for Objective-C type encoding.
10759 * testsuite/lib/objc-torture.exp: New file.
10760 * testsuite/lib/objc.exp: New file.
10762 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
10764 * jump.c (jump_optimize): In if/then/else transformations, add
10765 another call to modified_between_p for the jump insn.
10767 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
10769 * fix-header.c (symlink): Treat like readlink.
10771 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10773 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
10776 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
10778 * config/nextstep.h: Update HANDLE_PRAGMA macro.
10779 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
10780 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
10782 * config/nextstep.c (handle_pragma): Take three arguments, as per
10783 the new HANDLE_PRAGMA macro specification.
10784 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
10785 per the new HANDLE_PRAGMA macro specification.
10786 * config/i960/i960.c (process_pragma): Take three arguments, as
10787 per the new HANDLE_PRAGMA macro specification.
10789 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
10791 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
10792 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
10793 if unknown pragmas are encountered.
10794 (handle_sysv_pragma): Interpret return code from
10795 handle_pragma_token (). Return success/failure indication rather
10796 than next unprocessed character.
10797 (pragma_getc): New function: retrieves characters from the
10798 input stream. Defined when HANDLE_PRAGMA is enabled.
10799 (pragma_ungetc): New function: replaces characters back into the
10800 input stream. Defined when HANDLE_PRAGMA is enabled.
10802 * c-pragma.c (handle_pragma_token): Return success/failure status
10805 * c-pragma.h: Change prototype of handle_pragma_token().
10807 * varasm.c: (handle_pragma_weak): Only create this function if
10808 HANDLE_PRAGMA_WEAK is defined.
10810 * c-common,c (decl_attributes): If defined call the expression
10811 contained within the INSERT_ATTRIBUTES macro before adding
10812 attributes to a decl.
10814 * tm.texi (HANDLE_PRAGMA): Document the new verion of
10815 HANDLE_PRAGMA, which takes three arguments.
10816 (INSERT_ATTRIBUTES): Document this new macro.
10818 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
10819 new INSERT_ATTRIBUTES macro.
10821 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10823 * config/sparc/sparc.md (movdf): Only generate special RTL for
10824 LABEL_REFs when PIC.
10825 (move_label_di): Remove
10826 (movdi_pic_label_ref, movdi_high_pic_label_ref,
10827 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
10828 references when PIC.
10829 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
10830 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
10831 output an .xword for all 64-bit cases.
10833 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10835 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10836 alignment, use FUNCTION_BOUNDARY instead.
10837 (sparc_output_deferred_case_vectors): Likewise.
10839 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10841 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10842 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10844 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10846 * alpha/va_list.h: New file.
10847 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10849 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10851 * NEWS: Add SCO Openserver and Unixware 7 notes.
10855 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10857 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10858 (record_constant_1): Handle RANGE_EXPR.
10860 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10862 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
10863 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
10864 and NOTE_INSN_RANGE_END specially.
10865 (reemit_notes): Likewise.
10867 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10869 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
10870 (ultrasparc_sched_init): Remove unneeded &.
10872 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10874 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
10875 for m68020-60, to prevent the use of fintrz.
10877 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
10879 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
10881 * Makefile.in: Likewise.
10882 * configure: Regenerated.
10884 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
10886 * configure.in (gxx_include_dir): Changed to
10887 '${prefix}/include/g++'-${libstdcxx_interface}.
10888 * configure: Rebuilt.
10890 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
10892 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
10894 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
10895 *sequences* *below* which scalar moves will be used.
10897 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
10899 * collect2.c (mktemp): Delete unused declaration.
10901 * config/xm-netbsd.h: Remove unnecessary file.
10902 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
10903 file anymore, it is not needed.
10905 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
10907 * convert.c (convert_to_integer): Issue an error on conversions to
10910 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
10912 * Makefile.in: Add lang_tree_files and gencheck.h.
10913 * configure.in: Generate them.
10914 * gencheck.c: Include gencheck.h.
10916 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10918 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
10919 movdi_lo_sum_pic and movdi_high_pic and make visible.
10920 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
10921 emit these when Pmode is not SImode.
10922 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
10924 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
10926 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
10927 .linkonce directive after the first time.
10929 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
10931 * m68k.md (beq0_di): Generate correct (and more efficient) code when
10932 the clobbered operand overlaps with an input.
10933 (bne0_di): Similarly.
10935 * Makefile.in (INSTALL): Remove "--no-header" argument.
10937 * NEWS: Various updates.
10939 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10941 * config/sparc/sparc.c (arith_operand, const64_operand,
10942 const64_high_operand, arith_double_4096_operand): Mark mode as
10944 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
10946 (sparc_emit_set_const64): Remove unused variable i.
10947 (sparc_splitdi_legitimate): Likewise for addr_part.
10948 (ultra_code_from_mask): Likewise for mask.
10949 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
10950 reverse return values so it matches usage and comments.
10951 (ultra_flush_pipeline): Likewise.
10952 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
10953 this_type, and allow loads and stores of differing FP modes as
10954 they do not create a conflict.
10955 (ultra_find_type): Initialize fpmode to SFmode, fix
10956 parenthesization thinkos in large conditional.
10957 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
10958 Init free_slot_mask after ultra_cur_hist is reset, not before.
10959 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
10960 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
10961 use ultra_flush_pipeline instead, then re-init group pointer.
10962 Fix statement with no effect. If no progress made in, and no
10963 instructions scheduled at all, advance to new pipeline cycle else
10964 we get into an endless loop.
10965 (ultrasparc_adjust_cost): Remove previous arg.
10966 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
10968 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
10970 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
10971 code. Use reg_overlap_mentioned_p to detect when source and
10972 destination overlap.
10973 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
10975 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
10977 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
10978 COMPARISON_VAL, into invariant_p.
10980 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10982 * regmove.c (regclass_compatible_p): New function.
10983 (regmove_optimize): Use it.
10985 Use NREGS parameter insted of calling max_reg_num.
10987 (fixup_match_1): Don't use code = MINUS when later tieing with
10988 a hard register is likely.
10990 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10992 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
10993 COMPARISON_VAL was normalized.
10995 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
10997 * loop.c (check_dbra_loop): The loop ending comparison value
10998 must be an invariant or we can not reverse the loop.
11000 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11001 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11003 (load_mems_and_recount_loop_regs_set): Likewise.
11005 * i386.c (print_operand): Remove obsolete 'c' docs.
11007 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11009 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11010 * frame.c (init_object_mutex): New function.
11011 (init_object_mutex_once): Likewise.
11012 (find_fde): Call it.
11013 (__register_frame_info): Likewise.
11014 (__register_frame_info_table): Likewise.
11015 (__deregister_frame_info): Likewise.
11017 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11019 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11021 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11023 * loop.c (check_dbra_loop): Enable code for reversal
11024 of some loops without a known constant loop end.
11026 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11028 * haifa-sched.c (last_clock_var): New.
11029 (schedule_block): Initialize it.
11030 (schedule_insn): Use it to fill insn modes with issue information.
11032 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11033 Tag trapb and next insn with TImode.
11034 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11035 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11036 Invoke alphaev5_align_insns as appropriate.
11037 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11038 (MD_SCHED_VARIABLE_ISSUE): New.
11039 * alpha.md (attr type): Add multi.
11040 (define_asm_attributes): New.
11041 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11042 (arg_home): Likewise.
11043 (fnop, unop, realign): New.
11045 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11047 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11048 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11050 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11051 (rs6000-ibm-aix4.[12]*): Likewise.
11052 * configure: Regnerate.
11054 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11056 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11057 already contains the return address.
11059 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11061 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11062 word sized hunks when loading unaligned args into registers.
11064 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11065 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11067 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11069 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11071 * loop.c (check_dbra_loop): Add some code that would allow reversal
11072 of some loops without a known constant loop end if it were enabled.
11074 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11076 * mips.md (lshrsi3_internal2+2): Fix type-o.
11078 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11080 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11081 correctly with regards to stdio.h.
11083 * calls.c: Remove stdarg.h/varargs.h.
11084 * cccp.c: Likewise.
11085 * cexp.y: Likewise.
11086 * combine.c: Likewise.
11087 * cpperror.c: Likewise.
11088 * cpplib.c: Likewise.
11089 * cpplib.h: Likewise.
11090 * doprint.c: Likewise.
11091 * emit-rtl.c: Likewise.
11092 * final.c: Likewise.
11093 * fix-header.c: Likewise.
11095 * genattr.c: Likewise.
11096 * genattrtab.c: Likewise.
11097 * gencodes.c: Likewise.
11098 * genconfig.c: Likewise.
11099 * genemit.c: Likewise.
11100 * genextract.c: Likewise.
11101 * genflags.c: Likewise.
11102 * genopinit.c: Likewise.
11103 * genoutput.c: Likewise.
11104 * genpeep.c: Likewise.
11105 * genrecog.c: Likewise.
11106 * mips-tfile.c: Likewise.
11107 * prefix.c: Likewise.
11108 * protoize.c: Likewise.
11109 * regmove.c: Likewise.
11110 * toplev.c: Likewise.
11111 * tree.c: Likewise.
11113 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11115 * config/sparc/sparc.c (sparc_override_options): If not
11116 TARGET_FPU, turn off TARGET_VIS.
11117 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11118 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11119 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11120 (movdi_insn_sp64): Add VIS fzero alternative.
11121 (clear_sf, clear_df): New VIS patterns.
11122 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11124 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11126 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11128 * loop.c (n_times_set, n_times_used, may_not_optimize,
11129 reg_single_usage): Convert to varrays. All uses changed.
11130 (insert_loop_mem): Return a value.
11131 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11132 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11135 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11138 * configure.in: Do not set thread_file to "irix" since no such
11139 support exists yet.
11141 * sparc.md (float abs/neg splits): Check reload_completed before
11142 calling alter_subreg.
11144 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11146 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11148 * config/sparc/sparc.h: Declare it.
11149 * config/sparc/sparc.md (float abs/neg splits): Use it.
11150 (all other splits): Handle SUBREGs properly where necessary.
11151 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11153 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11155 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11156 an insn on the unfilled_slots_list that has no delay slots.
11157 (fill_eager_delay_slots): Similarly.
11159 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11161 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11162 as an ordinary operand.
11164 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11166 * tree.c (valid_machine_attribute): Don't apply attributes to both
11169 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11171 * reload.c (operands_match_p): Handle rtvecs.
11173 * i386.c (legitimate_pic_address_disp_p): New.
11174 (legitimate_address_p): Use it.
11175 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11176 Handle constant pool symbols just like statics.
11177 (emit_pic_move): Use Pmode not SImode for clarity.
11178 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11179 [UNSPEC]: New, handling what we killed above.
11180 [PLUS]: Detect and abort on invalid symbol arithmetic.
11181 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11183 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11185 * alias.c: Include output.h.
11186 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11187 different if we're in a varargs function.
11188 * Makefile.in (alias.o): Depend on output.h
11190 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11192 * sh.h (GIV_SORT_CRITERION): Delete.
11194 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11196 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11197 * stupid.c (stupid_life_analysis): Ditto.
11198 * reload1.c (reload): Ditto.
11200 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11202 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11203 arith_double_4096_operand, arith_double_add_operand): New
11205 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11206 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11207 them to transform add/sub 4096 into add/sub -4096.
11209 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11211 * loop.c (scan_loop): Allocate some slop to handle pseudos
11212 generated by move_movables.
11213 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11216 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11218 * tree.def (DECL_RESULT): Correct documentation.
11220 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11222 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11223 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11224 conflicts will all RELOAD_FOR_OUTPUT reloads.
11226 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11227 loads the function result, substitute with a USE.
11229 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11231 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11232 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11233 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11234 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11235 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11236 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11238 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11239 'o' to 'm' for GPR variant constraints.
11241 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11243 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11245 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11247 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11248 when the source and destination overlap.
11250 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11251 clash with global type.
11253 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11255 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11257 * c-common.c (combine_strings): Also set TREE_READONLY.
11258 Change warn_write_strings to flag_const_strings.
11259 * c-decl.c, c-tree.h: Likewise.
11261 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11263 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11264 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11265 sequence, use SET/IOR instead so CSE can see it.
11266 * config/sparc/sparc.md (movhi_const64_special,
11267 movsi_const64_special): New patterns necessitated by that change.
11268 (movhi_high): Remove.
11269 (movhi_lo_sum): Change to match an IOR.
11270 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11271 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11272 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11273 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11274 registers are involved.
11275 (snesi_zero_extend split): Remove reload_completed test.
11276 (unnamed plus and minus zero_extend sidi splits): Add it.
11278 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11280 * extend.texi: Remove description of extension to explicit
11281 instantiation that is now endorsed by standard C++.
11283 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11285 * config/arc/arc.c (arc_initialize_pic): Remove.
11286 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11287 nothing on any platform and is invoked by no-one, it does not even
11288 appear in the documentation.
11289 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11290 * config/sparc/sparc.c (initialize_pic): Likewise.
11291 (find_addr_reg): Remove this as well, no longer referenced after
11294 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11296 * recog.c (validate_replace_rtx_group): New function.
11297 * recog.h (validate_replace_rtx_group): Declare it.
11298 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11299 the entire group of substitutions.
11301 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11303 * loop.c (load_mems): Fix initializers.
11305 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11307 * config/sparc/sparc.md (TFmode splits): Handle destination
11308 registers being referenced in the address correctly.
11310 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11311 TREE_UNSIGNED, when bitsize of type's mode is larger than
11312 HOST_BITS_PER_WIDE_INT.
11314 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11316 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11317 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11318 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11320 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11323 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11325 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11326 * h8300.h (TINY_DATA_NAME_P): Likewise.
11327 (STRIP_NAME_ENCODING): Handle '&'.
11329 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11330 register (it could be accessed via an outer SUBREG).
11331 (REG_OK_FOR_BASE_P): Likewwise.
11332 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11334 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11337 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11339 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11341 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11342 must be offsettable so the splits can be made.
11344 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11346 * config/i386/winnt.c: Include system.h, not stdio.h to get
11347 sys/param.h pulled in before rtl.h in case the system defines MIN
11350 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11352 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11354 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11356 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11358 * cpplib.c (cpp_define): Handle macros with parameters.
11360 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
11362 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11363 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11364 and DImode 64-bit. Use llong for minimal-toc SFmode and
11365 SYMBOL_REF / LABEL_REF 64-bit.
11366 (output_function_profiler): Use llong for profiler label and ld to
11367 load 64-bit label address.
11369 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11371 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11374 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11376 * version.c: Bump for snapshot.
11378 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11380 * version.c: Bump for snapshot.
11382 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11384 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11386 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11388 * tm.texi (Misc): Fix typo "teh".
11390 * tm.texi (PIC): Fix typo "PPIC".
11392 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11393 effect when -O2 and higher.
11394 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11396 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11398 * regclass.c: Changed register set documentation to be consistent
11399 with GCC behaviour.
11401 * final.c (final_start_function) Removed redundant test for
11404 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11406 * rtl.h (rtx_function): New type.
11407 (for_each_rtx): New function.
11408 * rtlanal.c (for_each_rtx): Define it.
11410 * recog.c (change_t): New type.
11411 (change_objects, change_old_codes, change_locs, change_olds):
11413 (changes): New variable.
11414 (validate_change): Dynamically allocate room for more changes, if
11415 necessary. Uses changes array instead of change_objects, etc.
11416 (apply_change_group): Use changes array instead of
11417 change_objects, etc.
11419 * loop.c (loop_mem_info): New type.
11420 (loop_mems): New variable.
11421 (loop_mems_idx): Likewise.
11422 (looop_mems_allocated): Likewise.
11423 (scan_loop): Remove nregs parameter.
11424 (next_insn_in_loop): New function.
11425 (load_mems_and_recount_loop_regs_set): Likewise.
11426 (load_mems): Likewise.
11427 (insert_loop_mem): Likewise.
11428 (replace_loop_mem): Likewise.
11429 (replace_label): Likewise.
11430 (INSN_IN_RANGE_P): New macro.
11431 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11432 (scan_loop): Remove nregs parameter, compute it after any new
11433 registers are created by load_mems. Use INSN_IN_RANGE_P and
11434 next_insn_in_loop rather than expanding them inline. Call
11435 load_mems to load memory into pseudos, if appropriate.
11436 (prescan_loop): Figure out whether or not there are jumps from the
11437 loop to targets other than the label immediately following the
11438 loop. Call insert_loop_mem to notice all the MEMs used in the
11439 loop, if it could be safe to pull MEMs into REGs for the duration
11441 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11443 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11445 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11447 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11449 * config/sparc/sparc.c (finalize_pic): Check for the correct
11450 nonlocal_goto_receiver UNSPEC number.
11451 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11452 making note of this dependency existing in sparc.c
11453 (negtf2_notv9 split): Give NEG SFmode.
11454 (negsf2): Fix insn output string.
11456 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11458 * c-common.c (decl_attributes): Issue an error if the argument
11459 to alias is not a string.
11461 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11463 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11464 pending memory flush list.
11466 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11468 (try_combine): Allow combining insns with REG_LIBCALL notes.
11470 * expr.c (emit_block_move): Do not call memcpy as a libcall
11471 instead build up a CALL_EXPR and call it like any other
11473 (clear_storage): Similarly for memset.
11475 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11478 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11481 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11482 and REG_LIVE_LENGTH as successful substitutions are made.
11484 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11486 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11487 statement after end of loop label.
11489 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11491 * config/sparc/sparc.c (ultra_types_avail): New variable.
11492 (ultra_build_types_avail): New function to record mask of insn
11493 types in ready list at this cycle.
11494 (ultrasparc_sched_reorder): Call it.
11495 (ultra_find_type): Use it to quicken the search. Also simplif
11496 dependency check, don't use rtx_equal_p because we know exactly
11497 what we are looking for.
11499 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11501 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11502 for architecture v4.
11504 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11506 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11508 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11509 movdf_const_intreg and helper splits): New patterns to move float
11510 constants into integer registers.
11511 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11514 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11517 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11519 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11521 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11522 a BASE_REGS register is needed as an intermediate when copying
11523 a symbolic value into any register class other than BASE_REGS.
11525 * expr.c (move_by_pieces): No longer static. Remove prototype.
11526 * rtl.h (move_by_pieces): Add extern prototype.
11527 * mips.c (expand_block_move): Handle aligned straight line copy by
11528 calling move_by_pieces.
11530 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11533 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11535 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11536 jumps out of the loop to be treated as part of the exit test.
11538 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11539 Jeff Law <law@cygnus.com>
11541 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11542 * cplus-dem.c: Delete.
11544 * Makefile.in (fold-const.o): depend on $(RTL_H).
11546 * fold-const.c: Include rtl.h to get the prototype for
11547 `set_identifier_local_value'.
11549 * loop.c (express_from_1): Remove unused variable `tmp'.
11550 (combine_givs): cast the first argument of bzero to char *.
11552 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11554 * c-decl.c (init_decl_processing): Remove unneeded &.
11556 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11558 * except.c (set_exception_lang_code, set_exception_version_code):
11559 Change parameter from `short' to `int' to avoid using a gcc
11562 * except.h (set_exception_lang_code, set_exception_version_code):
11563 Likewise for prototypes.
11565 * flow.c (count_reg_references): Remove unused variables `regno'
11568 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11570 * prefix.c (translate_name): Cast the result of `alloca'.
11572 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11574 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11576 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11577 Include "toplev.h".
11578 (valid_dbcc_comparison_p): Mark mode argument as unused.
11579 (symbolic_operand): Likewise.
11580 (legitimize_pic_address): Likewise.
11581 (const_uint32_operand): Likewise.
11582 (const_sint32_operand): Likewise.
11583 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11584 schedule_insns and comment out rest of file.
11586 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11588 (output_move_[hq]imode): Likewise.
11590 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11592 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11593 * invoke.texi: Corresponding changes.
11595 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11597 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11599 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11601 * config/sparc/sparc.c (ultra_code_from_mask,
11602 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11603 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11604 ultrasparc_sched_init, ultrasparc_variable_issue,
11605 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11606 functions to describe UltraSPARC pipeline exactly to Haifa.
11607 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11608 as there is nothing the scheduler can do about it. Indicate that
11609 REG_DEP_OUTPUT's collide. Fixup formatting.
11610 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11611 divide costs on Ultra for DImode.
11612 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11614 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11615 ieuN and add call_no_delay_slot to type list.
11616 (cti function unit): New unit for branches on UltraSPARC.
11617 (subx/addx insns): Set type to misc.
11618 (sidi zero/sign extension insns on arch64): Set type to shift.
11619 (sign_extendhidi2_insn): Set type to sload.
11621 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
11623 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11624 (output_epilog): Use if != 0 for offset.
11625 (rs6000_fatal_bad_address): Prepare for Intl.
11626 * rs6000.h (rs6000_fatal_bad_address): Declare.
11627 * rs6000.md (movsfcc, movdfcc): Use else if.
11628 (elf_high): Use {liu|lis}.
11629 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11630 (movsi): Use rs6000_fatal_bad_address.
11632 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11634 * reload.c (find_equiv_reg): Reject equivalences separated
11635 by a volatile instruction.
11637 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11639 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11641 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11643 * alpha.md (movsicc): Fix mode mismatch.
11645 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11647 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11649 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11651 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11653 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11654 write-only modifier from operand 1 constraint.
11656 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11658 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11659 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11661 (sparc_emit_set_const64): Likewise, also when computing trailing
11662 bits do not negate low_bits and make fast_int an int.
11664 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11666 * loop.c (add_label_notes): Do not ignore references to labels
11667 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11668 * gcse.c (add_label_notes): Similarly.
11670 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11672 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11673 (adddi_dishl32): Similarly.
11675 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11677 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11678 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11679 * cse.c (cse_basic_block): Add parens to shut up warnings.
11681 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11683 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11684 sparc_emit_set_const64_longway, const64_is_2insns,
11685 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11686 in 64-bit constant formation.
11687 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11688 rtl for addx not subx.
11689 (define_insn movdi_const64_special): Make available even when
11690 HOST_BITS_PER_WIDE_INT is not 64.
11691 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11692 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11693 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11694 instances of operand 1 inside a QI subreg.
11695 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11696 (one_cmpldi2_sp64): Fix output string.
11697 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11699 (unnamed arch64 ashift DI): Truncate shift count if greater than
11702 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11704 * expr.c (store_expr): Don't optimize away load-store pair
11705 when either source or destination have a side effect.
11707 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11709 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11710 operands of SET are incompatible.
11712 * alpha.md: Fix max and min patterns so modes of SET operands match.
11714 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11716 * configure.in: Avoid [[ by using test and changequote.
11717 * configure: Rebuild.
11719 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11721 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11723 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11724 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11725 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11726 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11727 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11728 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11729 Fix mismatching modes in SET operands.
11730 (conditional move patterns): Fix formatting.
11731 (unnamed subx arch64 pattern): Remove duplicate insn.
11733 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11735 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11736 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11737 (input_operand): Fixup test for what we accept for constant
11739 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11741 (safe_constDI): Remove.
11742 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11743 gen_safe_XOR64): New functions.
11744 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11745 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11747 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11748 available when HOST_BITS_PER_WIDE_INT is not 64.
11749 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
11750 move before movdi_insn_sp64 pattern.
11751 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
11752 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
11753 symbolic_operand as predicate for second operand.
11754 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
11755 expander): Give set VOIDmode.
11757 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
11759 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
11761 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
11763 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
11765 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
11767 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
11769 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
11771 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
11773 * install.texi: Various SCO OpenServer tweaks.
11775 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
11777 * reload1.c (eliminate_regs_in_insn): Handle another case when
11778 eliminating the frame pointer to the hard frame pointer. Add
11779 missing ep->to_rtx check to one existing case.
11781 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
11783 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
11785 * tree.h: De-conditionalize init_priority code.
11787 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
11788 * collect2.c (NM_FLAGS): Change from -p to -n.
11790 * configure.in: Turn on collect2 for mipstx39-elf.
11791 Handle use_collect2=no properly.
11793 * c-common.c: De-conditionalize init_priority code.
11794 * collect2.c (extract_init_priority, sort_ids): New fns.
11795 (main): Call sort_ids.
11796 Move sequence_number to file scope.
11798 * configure.in: Handle --enable-init-priority.
11799 * c-common.c (attrs): Add A_INIT_PRIORITY.
11800 (init_attributes, decl_attributes): Likewise.
11801 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
11802 * tree.c (get_file_function_name_long): Split out...
11803 (get_file_function_name): ...from here.
11805 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
11807 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
11810 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
11812 * toplev.c (display_help): Add braces to shut up warnings.
11813 * tree.c (simple_cst_equal): Likewise.
11815 * fold-const.c (non_lvalue): Don't deal with null pointer
11817 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11819 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
11820 of any size to a pointer.
11822 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
11824 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
11826 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
11828 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
11829 which will be saved.
11830 * mn10300.md (prologue insn): Only save registers which need saving.
11831 (epilogue insn): Similarly.
11833 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11836 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11838 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11839 VAR_DECL's in gp addressable sections.
11841 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11843 * sparc.c: Change return <exp> to <exp>; return; in functions
11845 * sparc.md: Add empty semicolon statement after final label in
11848 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11850 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11851 addx_extend_sp64, only allow when TARGET_ARCH64.
11852 (define_insn addx_extend_sp32 and split): Version that works when
11854 (define_insn subx_extend): Likewise.
11855 (define_split adddi3 and subdi3 with zero extension): Fixup and
11856 correct bugs when not TARGET_ARCH64.
11858 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11860 * except.c (set_exception_lang_code, set_exception_version_code):
11861 Use prototype-style definition if __STDC__, to match declaration
11864 * genemit.c: Change FAIL and DONE macros not to use loops.
11866 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
11868 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
11869 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
11871 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
11873 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
11875 * README.g77: Update from Craig.
11877 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11879 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
11880 type HOST_WIDE_INT.
11881 (safe_constDI sparc_emit_set_const64_quick1,
11882 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11883 analyze_64bit_constant, const64_is_2insns,
11884 create_simple_focus_bits): Fix some bugs when compiled on real
11886 (function_arg_record_value_3, function_arg_record_value_2,
11887 function_arg_record_value): Add fully prototyped forward decls.
11888 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
11889 to cmpsi_insn and use on both 64 and 32 bit targets.
11890 (define_insn cmpsi_insn_sp64): Remove.
11891 (define_expand zero_extendsidi2): Allow for 32-bit target too.
11892 (define_insn zero_extendsidi2_insn): Rename to
11893 zero_extendsidi2_insn_sp64.
11894 (define_insn zero_extendsidi2_insn_sp32): New pattern and
11895 assosciated forced split for it.
11897 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11899 * config/sparc/sparc.h: Declare them.
11900 (PREDICATE_CODES): Add them.
11901 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
11902 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
11904 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
11906 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
11907 in v9 case as the latter makes the Solaris assembler crash.
11909 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11911 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
11912 for TFmode when !v9. We require offsettable memory addresses.
11913 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
11914 DFmode register number conversions.
11915 * config/sparc/sparc.md (define_split DFmode moves): If register
11916 is a SUBREG do alter_subreg on it before using.
11917 (define_expand movtf): Fixup comment about alignment on v9.
11918 (define_split TFmode moves): Don't use gen_{high,low}part, create
11919 explicit SUBREGs instead.
11921 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
11923 * Makefile.in (mbchar.o): Depend on mbchar.c.
11925 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11926 Richard Henderson <rth@cygnus.com>
11928 Rewrite Sparc backend for better code generation and
11929 improved sparc64 support.
11930 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
11932 * config/sparc/sysv4.h: Likewise.
11933 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
11934 move_operand, v8plus_regcmp_op, emit_move_sequence,
11935 singlemove_string, doublemove_string, mem_aligned_8,
11936 output_move_double, output_move_quad, output_fp_move_double,
11937 move_quad_direction, output_fp_move_quad, output_scc_insn):
11939 (small_int_or_double): New predicate.
11940 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
11941 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
11942 old pic_{sethi,lo_sum}_si patterns.
11943 (mem_min_alignment): New generic function to replace
11944 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
11945 available and can test for arbitrary alignments. All callers
11947 (save_regs, restore_regs, build_big_number,
11948 output_function_prologue, output_cbranch, output_return,
11949 sparc_flat_save_restore, sparc_flat_output_function_prologue,
11950 sparc_flat_output_function_epilogue): Prettify
11952 (output_function_epilogue): Likewise and add code to output
11953 deferred case vectors.
11954 (output_v9branch): Likewise, add new arg INSN and use it to tack
11955 on branch prediction settings. All callers changed.
11956 (print_operand): Likewise and output %l44 for LO_SUMs when
11958 (sparc_splitdi_legitimate): New function to make sure DImode
11959 splits can be run properly when !arch64.
11960 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
11961 Reformat example code in comments.
11962 (set_extends): Remove UNSPEC/v8plus_clear_high case.
11963 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
11964 of deferred case vectors we need to output.
11965 (sparc_defer_case_vector): Record a case vector.
11966 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
11967 sparc_output_deferred_case_vectors): New functions to output them.
11968 (sparc_emit_set_const32): New function to form 32-bit constants in
11969 registers when that requires more than one instruction.
11970 (safe_constDI, sparc_emit_set_const64_quick1,
11971 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11972 analyze_64bit_constant, const64_is_2insns,
11973 create_simple_focus_bits, sparc_emit_set_const64): New functions
11974 which do the same for 64-bit constants when arch64.
11975 (sparc_emit_set_symbolic_const64): New function to emit address
11976 loading for all code models on v9.
11977 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
11978 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
11979 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
11980 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
11981 inaccuracies in comments, add symbolic and text_segment operands
11982 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
11983 GENERAL_REGS in these cases as a temp REG is needed to load these
11984 addresses into a register properly.
11985 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
11987 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
11988 quads are guarenteed to have 16-byte alignment.
11989 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
11990 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
11991 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
11992 deferred case vector implementation.
11993 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
11994 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
11995 Generate "internal label - label" instead of "label - 1b".
11996 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
11997 (PREDICATE_CODES): Remove sparc_operand, move_operand,
11998 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12000 (doublemove_string, output_block_move, output_fp_move_double,
12001 output_fp_move_quad, output_move_double, output_move_quad,
12002 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12003 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12004 (sparc_emit_set_const32, sparc_emit_set_const64,
12005 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12006 mem_min_alignment, small_int_or_double): Add externs.
12007 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12008 UNSPEC_VOLATILE in this backend.
12009 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12010 unary to types which execute in it.
12011 (define_function_unit ieu_shift): Rename to ieu0.
12012 (define_function_unit ieu1): New, executes compare, call, and
12013 uncond_branch type insns.
12014 (define_function_units for type fdivs, fdivd, fsqrt): These
12015 execute in the fpu multiply unit not the adder on UltraSparc.
12016 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12017 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12018 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12019 allows the arith_double_operand predicate and rHI constraint when
12021 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12022 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12023 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12024 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12025 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12026 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12027 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12028 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12029 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12030 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12031 sign_extendqihi2_insn, sign_extendqisi2_insn,
12032 sign_extendqidi2_insn, sign_extendhidi2_insn,
12033 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12034 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12035 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12036 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12037 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12038 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12039 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12040 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12041 smulsi3_highpart_v8plus, unnamed subreg mult,
12042 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12043 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12044 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12045 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12046 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12047 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12048 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12049 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12050 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12051 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12052 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12053 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12054 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12055 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12056 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12057 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12058 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12059 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12060 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12061 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12062 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12063 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12064 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12065 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12066 call_address_untyped_struct_value_sp32,
12067 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12068 call_value_symbolic_sp32, call_value_address_sp64,
12069 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12070 flush_register_windows, goto_handler_and_restore,
12071 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12072 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12073 return_addsi, return_di, return_adddi, return_sf, all call+jump
12074 peepholes, trap, unnamed trap insns): Prettify output strings.
12075 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12076 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12077 Likewise and force + implement splits for integer cases.
12078 (define_insn return_sf_no_fpu): Likewise and allow to match when
12079 no-fpu because of our subreg SFmode splits.
12080 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12081 zero_extendqidi2_insn, zero_extendhidi2_insn,
12082 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12083 input_operand for second operand.
12084 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12085 reg_or_0_operand for operand 2 so new splits can use it.
12086 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12087 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12089 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12090 CONST_DOUBLEs for operand 2.
12091 (define_insn move_label_di): Likewise and label distance
12092 optimization because it no longer works with new deferred case
12093 vector scheme. To be revisited.
12094 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12095 and allow reg_or_0_operand and J constraint for second operand.
12096 (define_insn jump): Set branch predict taken on V9.
12097 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12098 new deferred case vector scheme.
12099 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12100 (define_insn negdi2_sp32): Force + implement splits.
12101 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12102 one_cmplsi2_not_liveg0 respectively, and create expander of original
12103 names which emit special rtl for TARGET_LIVE_G0.
12104 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12105 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12106 gen_compare_reg, FAIL instead.
12107 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12108 values when trying to reverse condition codes, if they FAIL then
12110 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12111 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12112 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12113 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12114 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12115 set output string to # to indicate they are mandatory splits.
12116 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12117 pic_sethi_di, move_pic_label_si): Remove.
12118 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12119 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12121 (define_expand movsi_pic_label_ref, define_insn
12122 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12123 expander and insns to handle PIC label references and deferred
12125 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12127 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12128 Rewrite to not use emit_move_sequence, make use of new constant
12129 formation code, and new splits for all multi-insn cases.
12130 (define_insn movqi_insn): Remove sethi case, it can never happen.
12131 Use reg_or_zero_operand instead of const0_rtx explicit test,
12132 use input_operand instead of move_operand for source, and use
12133 general_operand now for dest.
12134 (define_insn movhi_insn): Similar but leave sethi case.
12135 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12136 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12137 movhi_lo_sum respectively, prettify output string.
12138 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12139 register when needed on TARGET_LIVE_G0.
12140 (define_insn movsi_insn): Use general_operand and input_operand
12141 for dest and src respectively. Simplify applicability test.
12142 Prettify output strings, and add clr alternative for J
12144 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12145 deprecated std and reg-reg DI moves): Remove and...
12146 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12147 implementation which uses forced splits for all non-single insn
12149 (define_split DI move cases on !arch64): New splits to handle all
12150 situations of 64-bit double register DImode on 32bit, and
12151 unaligned registers and memory addresses for all subtargets.
12152 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12154 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12155 input_operand for dest and src respectively, prettify output
12157 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12158 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12160 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12161 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12162 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12163 movtf_no_e_insn_sp64) Replace with new
12164 implementation which uses forced splits for all non-single insn
12166 (define_split DF move cases): New splits in similar vein to DI
12168 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12169 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12170 movdi_sp64_insn): Remove old v9 code model and constant loading
12171 support insns and..
12172 (define_insn pic_lo_sum_di, pic_sethi_di,
12173 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12174 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12175 embmedany_sethi, embmedany_losum, embmedany_brsum,
12176 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12177 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12178 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12179 scheme, using unspecs, secondary reloads, and one to one sparc
12180 insn to rtl insn mapping for better scheduling and code gen.
12181 (define_expand reload_indi, reload_outdi): Reload helpers for
12182 MEDANY and EMBMEDANY symbol address loading cases which require a
12183 temporary register.
12184 (define_expand movsicc): Remove v8plus_regcmp cases.
12185 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12186 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12187 cmp_diqi_trunc_set): New patterns used by some of the new scc
12189 (define_insn xordi3_sp64_dbl): New pattern used for constant
12190 formation when crossing from 32-bit targets.
12191 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12193 (define_insn addx, subx): Make visible and prettify.
12194 (define_insn adddi3_insn_sp32): Likewise and force split.
12195 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12196 64bit scc split usage.
12197 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12198 zero_extend, subdi3): Force and implement splits.
12200 * final.c (final_scan_insn): Don't output labels if target
12201 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12204 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12205 don't forget to walk inside SEQUENCESs too as these are what the
12206 delay slot scheduler will create.
12208 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12210 * alpha.md (extxl+1,+2): New patterns to work around
12213 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12215 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12216 caused bad assembly code to be generated.
12218 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12220 * netbsd.h: Fix typo.
12222 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12224 * config.sub: Fix typo.
12226 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12228 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12230 (Running Protoize): Typo: Change "ther" into "other".
12232 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12234 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12235 * m68k/netbsd.h: Likewise.
12236 * ns32k/netbsd.h: Likewise.
12237 * sparc/netbsd.h: Likewise.
12239 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12241 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12242 * ginclude/va-clipper.h (va_list): Likewise.
12244 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12246 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12247 load/store multiple instructions unless user overrides.
12249 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12251 * ns32k/netbsd.h: Fix typo.
12253 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12255 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12256 labels with .debugsym if no parallel insns.
12258 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12260 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12261 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12263 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12265 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12266 (AR_FOR_TARGET): Define.
12268 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12270 * dyn-string.h: New file.
12271 * dyn-string.c: Likewise.
12272 * Makefile.in (OBJS): Add dyn-string.o.
12273 (dwarf2out.o): Add dyn-string.h dependency.
12274 (dyn-string.o): List dependencies.
12275 * dwarf2out.c: Include dyn-string.h.
12276 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12277 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12278 prototype. Use dyn_string_append rather than strcat, throughout.
12279 (addr_to_string): Use dyn_string_t.
12281 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12283 Function entry/exit profiling instrumentation:
12284 * expr.h (profile_function_entry_libfunc,
12285 profile_function_exit_libfunc): Declare new variables.
12286 * optabs.c: Define them here.
12287 (init_optabs): Initialize them.
12288 * tree.h (struct tree_decl): New flag
12289 no_instrument_function_entry_exit.
12290 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12291 * c-decl.c (duplicate_decls): Merge it.
12292 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12293 (init_attributes): Use it for "no_instrument_function".
12294 (decl_attributes): Handle it, for functions that have not yet been
12295 compiled. Set decl flag.
12296 * flags.h (flag_instrument_function_entry_exit): Declare new
12298 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12299 (f_options): New option "instrument-functions".
12300 * function.h (struct function): New field instrument_entry_exit.
12301 * function.c (current_function_instrument_entry_exit): New
12303 (push_function_context_to, pop_function_context_from): Save and
12305 (expand_function_start): Set current_ variable, maybe emit return
12306 label and entry profile call.
12307 (expand_function_end): Maybe emit exit profile call.
12309 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12311 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12312 NON_QI_REG_P, pretend the register is SImode.
12314 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12316 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12317 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12318 manufacturer id for ns32k.
12319 * configure: Regenerated.
12320 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12321 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12322 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12323 * config/m68k/netbsd.h: Same.
12324 * config/ns32k/netbsd.h: Same.
12325 * config/sparc/netbsd.h: Same.
12327 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12329 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12330 or UNROLL_COMPLETELY loop that starts with a jump to its
12333 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12335 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12336 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12337 (print_operand, case 'B'): Don't fall through.
12338 (print_operand, case 'S'): Correct mask begin/end computation.
12339 Use HOST_BITS_PER_WIDE_INT.
12340 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12341 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12342 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12343 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12345 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12347 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12348 constraint from second alternative.
12350 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12352 * configure.in: Fix --without/--disable cases for local-prefix,
12353 gxx-include-dir and checking.
12355 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12357 * configure.in (enable_haifa): Set by default for sparc64 too.
12358 configure: Rebuilt.
12360 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12362 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12363 * i386/winnt.c (associated_type): New fn.
12364 (i386_pe_valid_type_attribute_p): New fn.
12365 (i386_pe_check_vtable_importexport): Remove.
12366 (i386_pe_dllexport_p): Use associated_type.
12367 (i386_pe_dllimport_p): Likewise.
12369 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12370 * i386.c (i386_valid_type_attribute_p): Also accept
12371 attributes for METHOD_TYPEs.
12373 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12375 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12377 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12379 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12381 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12382 them from generating a new base name for each occurence of
12385 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12387 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12389 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12393 * cplus-dem.c (type_kind_t): New type.
12394 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12395 on this paramter, rather than demangling the type again.
12396 (demangle_integral_value): Pass tk_integral.
12397 (demangle_template_: Pass the value returned from do_type.
12398 (do_type): Return a type_kind_t. Pass tk_integral to
12399 demangle_template_value_parm for array bounds.
12400 (demangle_fund_type): Likewise.
12402 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12404 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12407 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12409 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12411 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12413 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12415 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12418 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12420 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12421 (DEBUGGER_ARG_OFFSET): Likewise.
12423 * mn10300.md (movsf): Remove last change. Not needed.
12425 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12427 * c-lex.c (yylex): Fix boundary conditions in character literal and
12428 string literal loops.
12430 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12432 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12433 being invoked incorrectly.
12435 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12436 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12438 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12439 * configure.in: Added i[34567]86-*-win32
12440 * config.sub: Ditto.
12441 * configure: Rebuilt.
12443 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12445 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12446 the frame pointer and compiling PIC code and reload has not completed.
12448 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12451 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12453 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12455 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12457 * Makefile.in (install-info): Only try to update the info
12458 directory file if it exists in the first place.
12460 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12462 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12464 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12466 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12467 CONST_DOUBLE source.
12469 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12471 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12472 strings as the insertion of USER_LABEL_PREFIX.
12473 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12475 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12478 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12480 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12481 already defined type.
12483 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12485 * expr.c (check_max_integer_computation_mode): Allow conversions
12486 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12487 (expand_expr): Likewise.
12489 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12491 * expr.c (expand_expr): Expand RETURN_EXPR.
12493 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12495 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12497 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12499 * dwarf2out.c (output_aranges): Call stripattributes
12500 for TEXT_SECTION references.
12501 (output_line_info): Likewise.
12503 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12505 * profile.c (branch_prob): Call allocate_reg_info after outputting
12506 profile rtl in instrument_arcs.
12508 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12510 * fixinc.irix (math.h): Install wrapper instead of copying.
12512 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12514 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12515 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12516 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12517 lang_flag_0. Added documentation in the flag table.
12519 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12521 * cccp.c (do_include): Fix vax c style include handling.
12523 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12525 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12527 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12529 * fold-const.c (non_lvalue): Don't deal with null pointer
12531 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12533 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
12535 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12536 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12537 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12538 (u_short_cint_operand): Same.
12539 (reg_or_cint_operand): Same.
12540 (logical_operand): Same.
12541 (input_operand): Same.
12542 (reg_or_short_operand): Use u_short_cint_operand.
12544 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12546 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12547 but keep the insns and splits. Adjust so when the ultimate destination
12548 is memory, use cvtql.
12550 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12552 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12554 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12556 * gcc.c (do_spec): Call "error" not "warning".
12558 * configure.in: Fix minor problems with gas feature detection code.
12559 * configure: Rebuilt.
12561 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12563 * Undo this change.
12564 * gcc.c: Delete %[spec] support.
12565 (do_spec_1, case '('): Likewise.
12566 (do_spec_1, case '['): Call error.
12568 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12570 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12571 (CPP_SUBTARGET_SPEC): Default to empty string.
12572 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12573 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12574 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12575 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12577 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12578 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12579 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12580 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12581 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12582 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12583 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12584 * alpha/vxworks.h: Likewise.
12586 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12588 * mips.md (reload_outsi): Added missing REGNO call.
12589 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12591 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12592 another match_operator and compare the codes.
12594 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12596 * MIPS multiply pattern fixes:
12597 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12598 Add union classes for HI, LO, or HILO plus general registers.
12599 (GENERATE_MADD): Deleted.
12600 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12601 Add TARGET_MAD to condition.
12602 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12603 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12604 "*d" for accumulator, to give preference to LO initially but not
12607 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12609 * configure.in (enable_c_mbchar): New configure option.
12610 (extra_cpp_objs): Always available now.
12612 * cexp.y (mbchar.h): #include it.
12613 (yylex): Handle Multibyte characters in character literals.
12615 * cccp.c (mbchar.h): #include it.
12616 (main): Set character set based on LANG environment variable.
12617 (rescan): Handle multibyte characters in comments.
12618 (skip_if_group): See above.
12619 (validate_else): See above.
12620 (skip_to_end_of_comment): See above.
12621 (macarg1): See above.
12622 (discard_comments): See above.
12623 (rescan): Handle multibyte characters in string and character literals.
12624 (collect_expansion): See above.
12625 (skip_quoted_string): See above.
12626 (macroexpand): See above.
12627 (macarg1): See above.
12628 (discard_comments): See above.
12629 (change_newlines): See above.
12631 * c-lex.c (mbchar.h): #include it.
12632 (GET_ENVIRONMENT): New macro.
12633 (init_lex): Set character set based on LANG environment variable.
12634 (yylex): Handle multibyte characters in character literals.
12635 (yylex): Handle multibyte characters in string literals.
12637 * Makefile.in (mbchar.o): New target.
12638 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12639 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12641 * mbchar.[ch]: New files for multibyte character handling.
12643 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12645 * jump.c (jump_optimize): When simplifying noop moves and
12646 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12647 the PUSHes to rewrite in second loop as we did in the first.
12649 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * cplus-dem.c (demangle_nested_args): Make function definition
12652 static to match the prototype.
12654 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12656 * alloca.c: Respect USE_C_ALLOCA.
12657 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12658 * gengenrtl.c (xmalloc): Likewise.
12660 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12662 * loop.h (struct induction): Add no_const_addval.
12663 * loop.c (the_movables, reg_address_cost): New variables.
12664 (init_loop): Init reg_address_cost.
12665 (loop_optimize): Call end_alias_analysis.
12666 (scan_loop): Init the_movables.
12667 (record_giv): Init induction->no_const_addval.
12668 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12669 [REG]: Rearrange loop search test to catch more cases.
12670 (general_induction_var): Return success not benefit; take an extra
12671 argument for that. Change all callers.
12672 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12673 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12674 [default]: Search the_movables for additional combinations.
12675 (sge_plus_constant, sge_plus): New functions.
12676 (express_from_1): New function.
12677 (express_from): Always define. Rewrite using express_from_1.
12678 (combine_givs_p): Handle more cases. Ignore address cost.
12679 (cmp_combine_givs_stats): New function.
12680 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12681 (combine_givs): Rewrite to do best-fit combination.
12683 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12684 (fold): Do a complete (A*C)+(B*C) association check.
12686 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12688 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12690 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12692 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12694 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12696 * tree.c (valid_machine_attribute): Only create a new type variant if
12697 there is a decl to use it.
12699 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12701 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12704 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12706 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12709 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12711 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12712 Simplify tests for clearing an address register.
12713 (expand_prologue): Corresponding changes.
12715 * mn10300.md (movXX patterns): Make sure the destination is an
12716 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12717 (logical patterns): Split into expanders + patterns
12718 (zero and sign extension patterns): Similarly.
12719 (shift patterns): Similarly.
12721 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12723 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12724 for the sequence, recording base values.
12726 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12728 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12730 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12732 * gcc.c: Remove ANSI-C ism from --help code.
12734 * toplev.c: Support --help with USE_CPPLIB.
12736 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12738 * configure.in: Rework gas feature code to work with symlink based
12741 * extend.texi: Clarify some issues related to local variables
12742 assigned to explicit registers.
12744 * mn10300.md (mulsi): Turn into expander + pattern.
12746 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
12749 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
12751 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
12753 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
12755 * version.c: Bump again to distinguish mainline tree from the
12758 See ChangeLog.0 for earlier changes.
12761 add-log-time-format: current-time-string