1 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
3 * config/mips/mips.c (mips_explicit_type_size_string): Correct
6 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
8 * configure.in: Use "exit 1", not "exit (1)".
11 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
13 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
14 `/include' in order to find the system's limits.h.
16 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
18 * fixinc/fixincl.c: Include auto-host.h instead of config.h
19 * fixinc/procopen.c: Likewise.
20 * fixinc/regex.c: Likewise.
21 * fixinc/server.c: Likewise.
23 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
25 * config/i386/go32.h: Delete.
26 * config/i386/djgpp.h: New. Renamed from go32.h.
27 Added -DDJGPP=2 to CPP_PREDEFINES.
28 * config/i386/go32-rtems.h: Delete.
29 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
30 Added -DDJGPP=2 to CPP_PREDEFINES.
31 * config/i386/xm-go32.h: Delete.
32 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
33 * config/i386/x-go32: Delete.
34 * config/i386/x-djgpp: New. Renamed from x-go32.
35 * config/i386/t-go32: Delete.
36 * config/i386/t-djgpp: New. Renamed from t-go32.
37 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
38 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
39 Set xmake_file to i386/x-djgpp.
42 * gcc.c (process_command): Dump link_command_spec too.
44 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
45 Jeff Law <law@cygnus.com>
47 * pa.md: Add real PA8000 scheduling information.
49 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
50 (ISSUE_RATE): Revamp, including PA8000 support.
51 * pa.c (override_options): Add 8000 as -mschedule= option.
52 Do not call strcmp if pa_cpu_string is null.
53 * pa.md (attr cpu): Add 8000.
54 * invoke.texi: Add documentation for PA8000 scheduling.
56 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
58 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
60 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
61 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
63 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
65 * flow.c (compute_immediate_dominators): New function.
66 * basic-block.h (compute_immediate_dominators): Declare it.
68 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
70 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
72 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
74 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
76 * config/arm/arm.md: Fix various compile time warnings.
77 * config/arm/arm.h: Fix various compile time warnings. Add
79 * config/arm/arm.c: Fix various compile time warnings.
80 (arm_override_options): Reorganise to seperate tuning from
82 (bit_count): New function: Return a count of the number of bits
85 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
87 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
88 things that were eliminated.
90 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
92 * function.c (fixup_var_refs_1): First try moving the expression
93 directly into a register. Don't separate cc0 setter and user.
95 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
97 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
99 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
101 * c-lex.c: Don't include setjmp.h.
102 (parse_float): New static function.
103 (pf_args): New struct.
104 (yylex): Use them in call to `do_float_handler'.
106 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
108 * cexp.y (yyerror): Call verror to get a usefull error message.
111 * .gdbinit: Move command to put breakpoint at abort to end of file
112 so that gdb does not bail out early.
114 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
116 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
118 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
120 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
122 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
124 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
125 Delete emit_library_call_value declaration.
127 1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu>
129 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
130 (which cannot otherwise appear in the processed buffer) and
131 move it out of tokens that it appears in the middle of.
133 (find_position): New function.
135 * cpplib.c: \r (one character) indicates backslash
136 newline, not \\\n (two characters). It cannot appear in the
137 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
138 parsing moves past \n or \r. Increment pfile->lineno whenever
139 a \n is placed into token_buffer. Only one mark can exist at
140 a time, and CPP_BUMP_LINE must not be used while it is
141 active. It is automatically cleared by cpp_pop_buffer and
142 parse_goto_mark. \r is not in is_hor_space or is_space.
144 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
145 update_position, count_newlines, parse_move_mark): Removed.
146 (parse_string, copy_comment): New functions.
147 (parse_name): Returns void.
148 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
149 one argument, a cpp_reader *. Change for new marking scheme.
150 (skip_comment): Handle CHILL line comments too. Second
151 argument is now first character of comment marker; all callers
152 changed. Issue error for unterminated block comment here.
153 (cpp_skip_hspace): Recognize CHILL comments.
154 (copy_rest_of_line): Likewise. Call skip_comment and
155 parse_string directly, don't go through cpp_get_token. Emit
156 "/**/" for block comments if -traditional (create_definition
158 (do_define): Don't play with put_out_comments.
159 (cpp_push_buffer): Initialize ->mark to -1.
160 (cpp_buf_line_and_col): Just read out the values in the buffer
162 (output_line_command): Use cpp_buf_line_and_col. Fix
163 formatting. Remove stale code.
164 (cpp_get_token): Break out string parsing code to
165 parse_string. Use skip_comment for CHILL comments too. Use
166 copy_comment for put_out_comments instead of dinking with
167 marks. Remove stale code. Don't call output_line_command
168 unless it's necessary.
170 * cpplib.h (parse_marker): Removed.
171 (struct cpp_buffer): line_base is now a unsigned char *; add
172 `mark' [long], remove `marks' [struct parse_marker *].
173 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
175 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
176 * cppinit.c (is_hor_space, is_space): '\r' is not considered
178 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
180 * cpphash.c (macarg): Disable line commands while expanding.
182 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
184 * c-lex.c (yylex) : Remove warning for integer literals being
185 larger than the largest target int. Add warning for integer
186 literal being larger than than its choosen type.
188 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
190 * invoke.texi: Add -mlong32 documentation.
191 * config/mips/mips.h (mips_explicit_type_size_string): New.
192 (TARGET_SWITCHES): Add 'long32'.
193 (TARGET_OPTIONS): Add 'explicit-type-size'.
194 (CC1_SPECS): Set -mexplicit-type-size.
195 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
196 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
197 * config/mips/mips.c (mips_explicit_type_size_string): New.
198 (override_options): Use it.
199 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
201 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
202 Pointer size now depends on both size longs and size of GP
205 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
207 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
208 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
209 * config/mips/mips.c (override_options): Allow -mlong64 and
210 -mint64 with -mips2 or less.
211 * config/mips/mips.h (MASK_LONG64): Fix comment.
212 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
213 (Pmode): Make Pmode the smaller of longs or gp registers.
214 * invoke.texi: Note the new size for pointers.
216 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
218 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
219 bit-pattern directly.
220 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
221 * rs6000.c (first_reg_to_save): If profiling and context needed,
222 allocate a reg to save static chain for all ABIs. For AIX
223 profiling, calculate parameter registers to save based on need.
224 (output_function_profiler): Save and restore static chain around
225 profile call for all ABIs.
227 1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu>
229 * cppinit.c: Instead of one pending list, keep separate lists
230 for each category of pending option: -D/-U, -A, -include,
231 -imacros. Move the four partial include-path lists into the
232 pending block. Use head and tail pointers so we don't ever
233 have to reverse the lists.
235 (cpp_start_read): Break out blocks of code to their own
236 functions: install_predefs and initialize_dependency_output.
237 Use path_include for C_INCLUDE_PATH and friends as well as
238 CPATH. Remove include_defaults gunk. Warn about the
239 combination of -lang-chill and -trigraphs. Optimize string
240 bashing. Walk each pending list once, deallocating as we go.
242 (append_include_chain): Brought over from cppfiles.c. Mark
243 dirs as system include dirs if and only if appending to
244 system include path. If opts->verbose, print a notice when a
245 dir is dropped from the include path because it doesn't
246 exist. Fix memory leak: this function is not supposed to copy
249 (nreverse_pending, push_pending): Removed.
250 (APPEND): New macro for adding to pending lists.
251 (path_include): Can now add to any partial include path.
252 (base_name): Bring over from cccp.c.
253 (cpp_options_init): Allocate the pending block.
254 (cpp_handle_option): Add --version. Exit after --help. Fix
255 formatting. Order -ifoo options by frequency of usage.
256 (install_predefs): New function, simplified version of code
257 that was in cpp_start_read.
258 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
260 * cppfiles.c (simplify_pathname): Export.
261 (merge_include_chains): Don't nreverse the lists. If
262 opts->verbose, print a notice when a duplicate dir is detected
263 and dropped from the include path.
264 (finclude): Fix excessive cleverness in setting
266 (actual_directory): Set x->sysp from
267 CPP_BUFFER (pfile)->system_header_p so that one system header
268 may include another with "".
269 (deps_output): Fix double adjustment of deps_size which would
270 cause all dependencies after the first two lines to be lost.
272 * cpplib.c (cpp_unassert): New function.
273 * cpplib.h: Lay out struct cpp_pending here. Adjust
274 prototypes. Add include_prefix_len to struct cpp_options.
276 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
278 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
279 from HI/LO/HILO/MD into general registers the same as for one
280 of moving general registers to HI/LO/HILO/MD.
282 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
284 * config/m32r/m32r.c (init_idents): New function. Initialise
285 static tree nodes for m32r specific attribute identifiers. Remove
286 leading and trailing double underscores from the attribute names.
287 (m32r_valid_machine_decl_attribute): Call init_idents.
288 (m32r_encode_section_info): Call init_idents.
290 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
292 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
293 LABEL_REF for something else.
295 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * fold-const.c (exact_real_inverse): Move variable `float_error'
298 into the scope where it is used.
299 (const_binop_1): New static function.
300 (cb_args): New struct.
301 (const_binop): Use them in call to `do_float_handler'.
302 (fold_convert_1): New static function.
303 (fc_args): New struct.
304 (fold_convert): Use them in call to `do_float_handler'.
306 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
308 * rtlanal.c (auto_inc_p): New function.
309 * rtl.h (auto_inc_p): Prototype it.
310 * reload1.c (add_auto_inc_notes): New function.
311 (reload): Strip REG_INC notes and call add_auto_inc_notes
312 for each insn to restore them correctly.
314 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
316 * fixinc/Makefile.in (procopen.o): List the actual
319 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
321 * cse.c (check_fold_consts): New static function.
322 (cfc_args): New struct.
323 (simplify_relational_operation): Use them in call to
326 * toplev.c (do_float_handler): New function to wrap calls to
327 setjmp/set_float_handler.
329 * toplev.h (do_float_handler): Add extern prototype.
331 * tree.c (build_real_from_int_cst_1): New static function.
332 (brfic_args): New struct.
333 (build_real_from_int_cst): Use them in call to
336 Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com)
338 * version.c: Bump for snapshot.
340 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
342 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
344 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
346 * arm.c (arm_split_constant): Don't try to force a constant to
347 memory after arm_reorg has run.
348 (after_arm_reorg): New static variable.
350 (output_func_epilogue): Clear it.
352 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
354 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
355 * configure: Rebuilt.
357 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
359 * unroll.c (loop_iterations): Don't return a final value for EQ
362 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
364 * reload1.c (calculate_needs_all_insns): When ignore equivalence
365 setting insn, clear need_elim, need_reload, and need_operand_change.
367 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
369 * fixinc/fixinc.*: Some changes from the fixincl-branch
370 were not applied (??!!). Corrected.
372 * fixinc/Makefile.in: same thing.
374 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
376 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
377 MAX_INTEGER_COMPUTATION_MODE.
379 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
381 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
382 (MODES_TIEABLE_P): Update.
384 * alpha.md (ev5_e0): Conflict loads and stores.
386 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
388 * machmode.h (smallest_mode_for_size): Prototype.
389 * stor-layout.c (smallest_mode_for_size): Remove static.
391 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
393 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
394 conversion if we don't know the lifetime.
396 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
398 * reload.1c (delete_address_reloads_1): Check for reloads of
399 CURRENT_INSN even if it sets DST.
401 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
403 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
404 (print_die, size_of_die, value_format, output_die): Adjust.
406 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
408 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
409 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
410 text_section_laabel, debug_line_section_label,
411 debug_info_section_label, abbrev_section_label): New.
412 (output_compilation_unit_header): Emit label associated
413 with section instead of section name itself.
414 (out_pubnames, output_aranges, output_line_info,
415 dwarf2out_finish): Likewise.
416 (dwarf2out_init): Build internal label names for sections
419 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
421 * sh.md (mulsi3): End mul.l sequence with a no-op move.
423 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
425 * Makefile.in: activated fixinc/mkfixinc.sh
426 * configure.in: activated fixinc/mkfixinc.sh
428 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
430 * cppfiles.c (INO_T_EQ): Handle UWIN.
432 * c-common.c (decl_attributes): Flag unrecognized attribute
433 functions as warnings instead of as errors.
435 Support for i386-pc-uwin.
436 * i386/uwin.h: New file.
437 * i386/xm-uwin.h: New file.
438 * i386/t-uwin: New file.
439 * i386/uwin.asm: New file.
440 * configure.in (i[3456]86-*-uwin*): Define.
441 Add Workaround for vfork bug when hosted on uwin.
442 * configure: Regenerate.
444 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
445 (absolute_filename): UWIN uses POSIX pathnames only.
446 * libgcc2.c (getpagesize): Do not define for UWIN.
447 (mprotect): Likewise.
448 * protoize.c (dirent.h): Conditionally include.
449 (fputc): Prototype only if it's not a macro.
451 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
453 * configure.in: Remove init_priority stuff.
455 1999-03-11 Colin Smith <colin@wrs.com>
457 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
459 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
461 * gcc.texi: Update bug reporting instructions to match
462 current ezmlm list reality.
464 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * gcc.c (print_file_name, print_prog_name, spec_machine,
467 read_specs, set_spec, lookup_compiler, build_search_list,
468 putenv_from_prefixes, find_a_file, record_temp_file,
469 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
470 is_directory, validate_switches, used_arg, default_arg,
471 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
472 notice, add_preprocessor_option, add_assembler_option,
473 add_linker_option, process_command, execute,
474 unused_prefix_warnings, clear_args, fatal_error,
475 lang_specific_driver, user_specs, compiler, link_command_spec,
476 option_map, translate_options, make_temp_file, temp_name,
477 programname, path_prefix, machine_suffix, just_machine_suffix,
478 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
479 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
480 standard_startfile_prefix, standard_startfile_prefix_1,
481 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
482 multilib_dir, temp_filename, temp_file, command, switchstr,
483 infile, outfiles, input_filename, input_basename, input_suffix,
484 check_live_switch, main): Qualify a char* with the `const' keyword.
486 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
489 * Makefile.in (OBJS): Add lcm.o
490 (lcm.o): Add dependencies.
492 * gcse.c (compute_pre_local_properties): Delete.
493 (compute_pre_data): Use compute_local_properties instead of
494 compute_pre_local_properties.
496 * gcse.c: More comments, whitespace and similar fixes.
497 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
498 (dump_pre_data, compute_cprop_local_properties): Likewise.
499 (one_classic_gcse_pass): Lose unused argument. All callers changed.
500 (compute_hash_table, compute_expr_hash_table): Likewise.
501 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
502 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
503 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
504 Lose unused argument.
505 (gcse_main): Always run a cprop pass after finishing global cse.
506 (compute_local_properties): New function.
507 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
508 (compute_cprop_data): Use compute_local_properties.
510 * gcse.c: Update various comments.
511 (current_function_calls_longjmp): Delete declaration.
513 * gcse.c (run_jump_opt_after_gcse): New variable.
514 (gcse_main): Returns an integer.
515 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
516 (try_replace_reg): Update some comments.
517 (cprop_insn): Allow propagation into some JUMP_INSNs too.
518 * rtl.h (gcse_main): Update prototype.
519 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
520 then run a jump optimization pass.
521 * jump.c (delete_barrier_successors): Delete nop jumps too.
523 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
525 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
526 for FP arithmetic. Changed caller.
527 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
529 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
531 * reload1.c (choose_reload_regs): When inheriting from the frame
532 pointer, don't clobber it.
534 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
536 * fixinc/fixinc.*: Resync-ed with the files in this
539 * fixinc/mkfixinc.sh: the machine case elements were
540 out-of-order. (the ix86-*-linux-gnu* entry needed to
543 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
545 * reload1.c (reload_combine_note_store): Fix calculation of number
546 of affected registers.
548 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
550 * flow.c (tidy_fallthru_edge): Be more careful finding the last
551 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
553 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
555 * i386.md (ashlsi3 splitter): Fix typo in last change.
557 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
559 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
560 instead of an explicit test for RETURN.
562 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
566 * toplev.c: Include basic-block.h.
568 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
570 * calls.c (load_register_parameters): New function.
571 (expand_call): Use it.
573 * calls.c (expand_call): Slightly reorganize code.
575 * calls.c (compute_argument_addresses): New function.
576 (rtx_for_function_call): New function.
577 (expand_call): Use them.
579 * i386.md (zero_extendhisi2): Split into an expander and anonymous
580 pattern. Add new anonymous pattern for use when optimizing for
581 size or for the PPro.
582 (zero_extendqihi2, zero_extendqisi2): Likewise.
584 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
586 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
587 dependancies to sets in the non-hard-reg case too.
589 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
591 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
593 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
595 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
596 for which CLASS_LIKELY_SPILLED_P is true.
598 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
599 have a REG or SUBREG.
601 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
603 * i386.md (ashlsi3): Revise comments. Provide new anonymous
604 pattern for Pentium and PPro/PII. Reverse constraints in
605 generic ashlsi3 anonymous pattern.
607 * calls.c (initialize_argument_info): Accept a pointer to
609 (expand_call): Pass the address of CUMULATIVE_ARGS.
611 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
613 * mn10300.h (CASE_DROPS_THROUGH): Delete.
614 * mn10200.h (CASE_DROPS_THROUGH): Delete.
615 * h8300.h (CASE_DROPS_THROUGH): Delete.
617 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
618 to also delete the cc0 setter when deleting a conditional branch
621 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
623 * regmove.c (copy_src_to_dest): New argument max_old_uid.
625 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
627 * ChangeLog: merged entries from fixincl-branch
629 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
631 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
632 (print_exp): Special case addition of a constant.
633 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
635 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
637 * haifa-sched.c (reg_last_clobbers): New.
638 (reg_pending_clobbers, bb_reg_last_clobbers): New.
639 (compute_block_backward_dependences): Allocate memory for them.
640 (schedule_region): Likewise.
641 (sched_analyze_1): Clobbers don't interfere with one another.
642 They do interfere with sets ...
643 (sched_analyze_2): ... and uses.
644 (sched_analyze): Likewise.
645 (sched_analyze_insn): Update reg_last_clobbers appropriately.
647 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
650 include system header files.
652 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
653 (_mcleanup): Add the `const' keyword to a char*.
654 (internal_mcount): Declare `etext' as a char[] not a function.
655 Cast `etext' to char* when calling `monstartup'.
657 * sparc.c (frame_base_name, save_regs, restore_regs,
658 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
659 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
660 cpu_default, cpu_table, output_function_prologue,
661 output_function_epilogue, output_return,
662 sparc_flat_output_function_prologue, ultra_code_names,
663 sparc_flat_output_function_epilogue): Constify a char*.
664 (hypersparc_adjust_cost): Add a default case in a switch.
666 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
667 sparc_cpu_select, sparc_align_loops_string,
668 sparc_align_jumps_string, sparc_align_funcs_string,
669 output_return): Constify a char*.
671 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
672 so that we check "== 32", instead of "!= 64". Cast a value to
673 HOST_WIDE_INT when comparing against one. Hide the declaration
674 for variable `chain'.
676 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
678 * system.h (const, inline): Move the stage2 handling of these
679 keywords-as-macros from here...
681 * gansidecl.h (const, inline): ...to here.
683 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
685 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
687 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
689 * cse.c (canon_hash): Never reject hard regs in CCmode.
691 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
693 * version.c: Bump for snapshot.
695 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
696 Richard Henderson <rth@cygnus.com>
698 * flow.c (make_edges): Handle casesi that jump to default branch.
699 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
701 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703 * c-aux-info.c (data_type, affix_data_type, gen_decl,
704 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
705 Qualify a char* with the `const' keyword.
707 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
708 declare_function_name, decl_attributes, format_char_info,
709 check_format_info, binary_op_error): Likewise.
711 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
713 * gcse.c (dump_hash_table): Likewise.
715 * integrate.c (function_cannot_inline_p): Likewise
717 * optabs.c: Include insn-config.h earlier.
718 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
719 Qualify a char* with the `const' keyword.
721 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
722 asctoeg, mtherr, ereal_atof): Likewise.
724 * real.h (ereal_atof): Likewise.
726 * sbitmap.c (dump_sbitmap_vector): Likewise.
728 * sbitmap.h (dump_sbitmap_vector): Likewise.
730 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
732 * toplev.c (rest_of_compilation): Likewise.
734 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
736 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
738 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
739 not overwrite AIX link register save area.
741 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
743 * reload.c (find_reloads_subreg_address): Actually create the USE
744 for the register, not the new memory location.
746 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
748 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
749 with its equivalent constant, fall back to reload_in.
751 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
753 * Makefile.in: Delete .flow2 debugging files.
755 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
757 * config/arm/arm.c (arm_override_options): Change default target
758 cpu selection so that enabling TARGET_APCS_32 does not override
761 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
763 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
764 (BOOL_TYPE_SIZE): Define.
766 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
768 * function.c (assign_stack_temp_for_type): Abort
769 if mode == Blkmode and align is less than
770 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
771 (assign_stack_temp_for_type): Round the size parameter
772 passed to assign_stack_local instead of size itself.
774 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
776 * flow.c (delete_unreachable_blocks): Mark blocks as they
777 are put on to the worklist, not as they are taken off.
779 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
781 * function.c (current_function_has_computed_jump): Remove duplicate
784 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
786 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
787 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
789 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
790 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
791 (INIT_SUBTARGET_OPTABS): Define to empty.
793 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
795 * sh.c (force_into): New function.
796 (expand_block_move): Use it.
798 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
800 * cccp.c (struct default_include): Add 'included' field.
801 (main): Set 'included' field when a default include directory
802 is added to the chain. If -v is specified list all default
803 include directories which do not get appended to the chain.
805 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
807 * configure.in (gxx_include_dir): Rename to
808 gcc_gxx_include_dir in order to prevent it being overridden by
809 a top level Makefile.
810 (gcc_tooldir): If $exec_prefix != $prefix then use the
811 difference between the two as the basis for gcc_tooldir.
813 * configure: Rebuild.
815 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
817 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
819 * unroll.c (copy_loop_body): Don't make extra copies of
820 NOTE_INSN_LOOP_CONT notes.
822 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
824 * tree.c (save_tree_status): Don't treat functions with no context
827 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
829 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
832 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
834 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
835 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
836 current_function_file): Add the `const' keyword.
837 (normal_memory_operand): Mark parameter `mode' with
839 (alpha_expand_unaligned_load): Add a default case to a switch.
841 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
842 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
843 (normal_memory_operand): Add prototype.
845 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
846 comparing against one.
848 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
850 * mips.c (abort_with_insn): Make function static, add a prototype,
851 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
852 (current_function_file, mips_cpu_string, mips_isa_string,
853 mips_abi_string, mips_no_mips16_string, mips_entry_string,
854 mips_move_1word, mips_move_2words, output_block_move, load_store,
855 override_options, make_temp_file, mips16_fp_args): Qualify a char*
856 with the `const' keyword.
858 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
859 mips_abi_string, mips_entry_string, mips_no_mips16_string,
860 mips_move_1word, mips_move_2words, output_block_move): Likewise.
861 (abort_with_insn): Remove extern prototype.
863 * mips.md: Qualify a char* with the `const' keyword.
864 Remove many unused variables named `label'.
866 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
868 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
870 (install-cpp, uninstall-cpp): New targets.
871 (install-normal): Depend on $(INSTALL_CPP).
872 (uninstall): Depend on $(UNINSTALL_CPP).
873 * configure.in (cpp_install_dir): New, substitute.
874 (tmake_file): Added t-install-cpp for --enable-cpp.
875 * configure: Rebuilt.
876 * cpp.sh: New cpp script.
877 * config/t-install-cpp: New target fragment.
879 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
880 Jeffrey A Law (law@cygnus.com)
882 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
884 (cse_insn): Avoid creating a bogus REG_EQUAL note for
885 (const (minus (label) (label)))
886 (record_jump_cond): Fix mismatched paren in comment.
888 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
890 * final.c (end_final): There are 11 words in the "main header"
893 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
895 * extend.texi: Reference __extension__ in the index.
897 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
899 * Makefile.in (CROSS_FLOAT_H): Delete.
900 (FLOAT_H): Use float_h_file.
901 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
903 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
904 (mostlyclean): Delete gloat.h reference.
905 (install-cross-rest, install-float-h-cross, stmp-headers): Update
907 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
908 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
909 (float_h_file): Set from float_format. Substitute into Makefile.in.
910 (float_format): No longer substitute into Makefile.in.
911 * cross-make (FLOAT_H): Delete.
912 * config/mips/t-cross64 (FLOAT_H): Delete.
913 * configure: Rebuilt.
915 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
917 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
918 insn to be an INSN before looking at its pattern.
920 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
922 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
923 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
924 HImode reg when TARGET_5200.
926 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
928 From Toshiyasu Morita:
929 * sh.h (CACHE_LOG): SH2 has cache, too.
931 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
933 * toplev.c (compile_file): Disable -ffunction-sections and
934 debugging warning if the object format is elf.
936 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
938 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
939 when the data in 8-bit area and can not be addressed by 8-bit.
941 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
943 * flow.c (create_basic_block): Disregard integrated bb notes.
945 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
947 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
949 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
951 * config/i386/t-sco5gas (crti.o): New target.
953 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
955 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
956 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
957 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
958 load_multiple, allocate_stack, call_indirect_aix32,
959 call_indirect_aix64, call_value_indirect_aix32,
960 call_value_indirect_aix64, call_indirect_nt,
961 call_value_indirect_nt): Use gpc_reg_operand instead of
964 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
966 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
967 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
969 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
970 allow andi. or andis. which always set cr0.
972 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
974 * version.c: Bump for snapshot.
976 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
978 * invoke.texi: Update information for PA scheduling.
980 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
981 Mike Stump <mrs@wrs.com>
983 * pa.c (override_options): Change default to 7100LC
985 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
986 float regs before right half of float regs.
988 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
989 Jeffrey A Law (law@cygnus.com)
991 * frame.h: Update some comments.
992 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
993 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
994 using TARGET_WEAK_ATTRIBUTE.
995 (__do_global_dtors_aux): Check if __deregister_frame_info is
996 zero before calling it.
997 (__do_global_dtors): Likewise.
998 (frame_dummy): Check if __register_frame_info is zero before
1000 (__frame_dummy): Likewise.
1002 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
1004 * SERVICE: Update from the FSF.
1006 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
1008 * config/i386/t-sco5 (crti.o): New target.
1009 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
1011 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
1013 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
1015 * md.texi (prologue,epilogue): Document named patterns.
1017 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
1019 * md.texi, invoke.texi: Fix unterminated @xrefs.
1021 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
1023 * genattrtab.c (simplify_knowing): Fix uninitialized read
1026 * genextract.c (main): Clear recog_operands before extracting.
1028 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
1030 * c-pragma.c (add_weak); Delete. Moved into...
1031 * varasm.c (add_weak): New external function.
1032 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
1033 the list of weak functions.
1034 * c-pragma (add_weak): Declare.
1036 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
1038 Flow rewrite to use basic block structures and edge lists:
1040 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
1041 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1042 (struct edge_def): New.
1043 (struct basic_block_def): New.
1044 (basic_block_info): New.
1045 (BLOCK_HEAD, BLOCK_END): Update.
1046 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
1047 (uid_block_number): Kill.
1048 (basic_block_for_insn, BLOCK_FOR_INSN): New.
1049 (BLOCK_NUM): Update.
1050 * flow.c (XNMALLOC): Kill.
1051 (max_uid_for_flow): Kill.
1052 (uid_block_number): Kill.
1053 (uid_volatile): Turn into a bitmap.
1054 (SET_INSN_VOLATILE): New.
1055 (basic_block_info): New.
1056 (entry_exit_blocks): New.
1057 (x_basic_block_head, x_basic_block_end): Kill.
1058 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
1059 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
1060 (basic_block_loop_depth): Kill.
1061 (basic_block_for_insn): New.
1062 (find_basic_blocks): Split out initial block counting into
1063 count_basic_blocks. Call functions split out of find_basic_blocks_1.
1064 (count_basic_blocks): New.
1065 (find_basic_blocks_1): Split out edge recognition, unreachable
1067 (create_basic_block): New.
1068 (compute_bb_for_insn): New.
1070 (free_bb_memory): Kill.
1071 (add_edge, add_edge_to_label): Kill.
1072 (mark_label_ref): Kill.
1073 (make_edges): Rewrite to use edge lists.
1074 (make_edge, make_label_edge): New.
1075 (mark_critical_edges): New.
1076 (split_edge, insert_insn_on_edge): New.
1077 (commit_one_edge_insertion, commit_edge_insertions): New.
1078 (delete_unreachable_blocks): Rewrite to use edge lists.
1079 Split out EH region manipulation into delete_eh_regions.
1080 Call tidy_fallthru_edge and merge_blocks.
1081 (delete_eh_regions): New.
1082 (delete_note_p): New.
1083 (delete_insn_chain): New.
1084 (delete_block): Split out code into delete_insn_chain and
1085 tidy_fallthru_edge. Update edge lists.
1086 (expunge_block): New.
1087 (flow_delete_insn): New?
1088 (can_delete_label_p): New?
1089 (merge_blocks_nomove, merge_blocks): New.
1090 (tidy_fallthru_edge): New.
1091 (calculate_loop_depth): New.
1092 (life_analysis): Allocate and free uid_volatile.
1093 (free_basic_block_vars): Update for new structures.
1094 (record_volatile_insns): Use SET_INSN_VOLATILE.
1095 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
1096 (mark_used_regs): Likewise.
1097 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
1098 local_set regsets. Use bb->aux to store new_live_at_end. Begin
1099 life propagation from EXIT_BLOCK rather than last block. Clear
1100 regs_ever_live after mark_regs_live_at_end.
1101 (allocate_for_life_analysis): Update for new structures.
1102 (propagate_block): Split out loop depth calculation to
1103 calculate_loop_depth.
1104 (regno_uninitialized): Use bb->global_live_at_start.
1105 (regno_clobbered_at_setjmp): Likewise.
1106 (dump_bb_data): Likewise.
1107 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
1108 (dump_flow_info): Update for new structures.
1109 (dump_edge_info): New.
1110 (print_rtl_with_bb): Update for new structues.
1111 (compute_preds_succs): Do no work -- convert edge lists.
1112 (set_block_for_insn): From corpse of old set_block_num.
1113 (set_block_num): Call it.
1115 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
1116 * rtl.h (rtunion_def): Add bb entry.
1117 (NOTE_BASIC_BLOCK): New.
1118 (NOTE_INSN_BASIC_BLOCK): New.
1120 * varray.h (varray_data_tag): Add bb entry.
1121 (VARRAY_BB_INIT, VARRAY_BB): New.
1123 * emit-rtl.c (emit_label_before): New.
1125 * except.c (expand_rethrow): Delete insns following the call to
1126 rethrow. Put the REG_EH_RETHROW on the call.
1128 * jump.c (returnjump_p, returnjump_p_1): New.
1130 * expr.h (nonlocal_goto_handler_labels): New declaration.
1131 * function.c (nonlocal_goto_handler_labels): Define it.
1132 (push_function_context_to): Save it.
1133 (pop_function_context_from): Restore it.
1134 (init_function_start): Clear it.
1135 (nonlocal_label_rtx_list): Kill.
1136 * function.h (struct function): Add storage space for it.
1137 * stmt.c (expand_nl_handler_label): Return the new label.
1138 (expand_nl_goto_receivers): Collect a list of them in
1139 nonlocal_goto_handler_labels.
1141 * Makefile.in (print-rtl.o): Depend on basic-block.h.
1142 (flow.o): Depend on insn-flags.h.
1144 * function.c (thread_prologue_and_epilogue_insns): Do not
1145 half-heartedly update bb structures.
1147 * toplev.c: Add flow2 dump as -dw.
1148 (rest_of_compilation): Finish .greg before flow2.
1150 * graph.c (draw_edge): Handle class 3.
1151 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
1152 change non-fall-thru but adjacent to green class 3. Update
1153 to use new structures.
1155 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
1157 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
1159 (reg_to_stack): Initialize block_num to -1.
1161 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
1162 to basic_block_live_at_start to bb->global_live_at_start.
1163 (try_combine): Likewise.
1164 (reg_dead_at_p): Likewise.
1165 * global.c (global_conflicts): Likewise.
1166 Handle stack regs on all abnormal edges, not just computed jumps.
1167 (mark_elimination): Update reference to basic_block_live_at_start.
1168 (build_insn_chain): Likewise.
1169 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
1170 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
1171 of nonlocal_label_rtx_list.
1172 (check_live_1): Update reference to basic_block_live_at_start.
1173 (update_live_1): Likewise.
1174 (find_pre_sched_live): Likewise.
1175 (find_post_sched_live): Likewise.
1176 * local-alloc.c (update_equiv_regs): Likewise.
1177 (block_alloc): Likewise.
1178 * reload1.c (reload, reload_combine): Likewise.
1179 * regmove.c (mark_flags_life_zones): Likewise.
1180 * resource.c (mark_target_live_regs): Likewise.
1181 * sched.c (schedule_block): Likewise.
1183 * regclass.c (regset_release_memory): Don't free
1184 basic_block_live_at_start.
1186 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
1188 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
1190 * fixinc.wrap: Also handle struct queue in sys/stream.h.
1191 * fixinc.svr4: Likewise.
1193 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
1194 rather than asserting it.
1196 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1198 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
1199 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
1200 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
1203 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
1204 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
1205 scan-decls.o): Don't depend on machmode.h.
1207 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
1208 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
1210 * cppfiles.c: Likewise.
1212 * cpplib.c: Likewise.
1214 * cpplib.h: Likewise. Also don't include machmode.h anymore.
1216 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
1218 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
1219 * objc/lang-specs.h: Likewise.
1221 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
1223 * pa.md (call patterns): Lose unused argument to output_call.
1225 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
1227 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1229 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
1230 first argument. All callers changed.
1232 (cpp_lookup, cpp_install): Change all refs to hashtab to
1234 (cpp_hash_cleanup): Removed.
1235 * cpphash.h: Adjust prototypes.
1236 * cpplib.h (struct cpp_reader): Add hashtab pointer.
1237 * cppinit.c (cpp_reader_init): Also allocate space for the
1239 (cpp_cleanup): Delete all macros and free the hashtab.
1241 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1243 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
1246 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
1247 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
1248 * calls.c (expand_call): Likewise.
1250 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
1252 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
1253 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
1254 arguments in registers.
1255 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
1256 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
1259 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1261 * cse.c (dump_class): Revert last change and make the prototype
1264 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1266 * rtl.h (insn_first_p): Don't declare.
1267 * rtlanal.c (insn_first_p): Delete.
1268 * loop.c (loop_insn_first_p): Faster implementation.
1270 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
1272 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
1273 (TARGET_3, TARGET_6): Delete.
1274 (ARM_FLAG_ARM[36]): Delete.
1275 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
1276 (CC1_SPEC): Don't expand -m[236] into new equivalents.
1277 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
1278 * arm.c (arm_override_options): Delete warnings about deprecated
1281 * arm.c (arm_finalize_pic): Build the label into the special pic
1282 adjustment insn instead of issuing it separately.
1283 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
1286 * arm.md (*zeroextractqi_compare0_scratch): Delete.
1287 (*ne_zeroextractsi): New pattern.
1289 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1291 * stmt.c (expand_end_loop): Grok code emitted by
1292 expand_exit_loop_if_false.
1294 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
1296 * config/arm/arm.c (return_in_memory): Float fields in unions
1297 force a return in memory.
1298 (load_multiple_sequence): Add comment explaining why two LDR
1299 instructions can be better than an LDMIA instruction.
1301 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
1302 describing the real meaning of this option.
1303 (FIXED_REGISTERS): Default r10 to not-fixed.
1304 (CALL_USED_REGISTERS): Default r10 to not-call-used.
1305 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
1307 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
1308 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
1309 performing other checks.
1311 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
1312 (extendhisi2): Undo previous change.
1313 Also add comments describing why TARGET_SHORT_BY_BYTES can be
1314 ignored for armv4(t) architectures.
1316 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
1319 * config/arm/riscix1-1.h
1320 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
1322 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1324 * cse.c (dump_class): Make the function definition static to match
1327 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
1329 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
1331 * dwarf2out.c (add_location_or_const_value_attribute): Add big
1332 endian correction for parms passed in regs but living on the stack.
1334 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
1336 * calls.c (initialize_argument_information): New function extracted
1338 (expand_call): Use initialize_argument_information. Remove variables
1339 which are no longer used due to cleanups.
1341 * calls.c (compute_argument_block_size): New function, extracted from
1343 (expand_calls): Use compute_argument_block_size. Delete
1344 original_args_size, use unadjusted_args_size instead.
1346 * calls.c (precompute_arguments): New function, extracted from
1348 (expand_call): Use precompute_arguments.
1350 * calls.c (finalize_must_preallocate): New function, extracted from
1352 (expand_call): Use finalize_must_preallocate.
1354 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1356 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1357 An alternative always fails if it needs a pseudo and no suitable
1358 register class can be found.
1360 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1362 * loop.h (loop_insn_first_p): Declare.
1363 * loop.c (loop_insn_first_p): No longer static.
1364 * unroll.c (iteration_info) Fix comparison to
1365 reg_iv_type->num_elements.
1366 Before accessing reg_biv_class, check index against
1367 max_reg_before_loop.
1368 Fix and enable code for giv iterators.
1369 (loop_iterations): Compare with reg_iv_type->num_elements instead
1370 of with max_reg_before_loop.
1372 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1374 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1376 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1378 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1379 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1381 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1383 * config/i386/i386.md: fix typoe.
1385 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1387 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1388 frame_pointer_needed adjust frame size.
1389 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1390 in .frame pseudo-op.
1391 Frm Jim Wilson <wilson@cygnus.com>:
1392 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1393 when TARGET_MIPS16 && frame_pointer_needed.
1395 1999-02-22 Nick Clifton <nickc@cygnus.com>
1397 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1398 Add -mno-sched command line switch to disable scheduling of
1399 instructions into the function's prologue.
1400 (enum processor_type): Remove.
1401 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1402 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1403 fields with 'processors' field.
1404 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1405 checking is not enabled.
1406 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1408 * config/arm/arm.c: (arm_cpu): Remove.
1409 (tune_flags): Remove.
1410 (arm_is_strong): New variable: true iff the target processor is a
1412 (arm_is_6_or_7): New variable: true iff the target processor is an
1414 (arm_select): Fields reorganised.
1415 (struct processors): processor_type field removed.
1416 (all_procs): Remove.
1417 (all_cores): New array: Definitions of all known ARM cpu cores.
1418 (all_architectures): New array: Definitions of all known ARM
1421 (FL_SCHED): New processor flag: processor required load
1423 (FL_STRONG): New processor flag: processor is a StrongARM.
1424 (arm_override_options): Reorganised to make code clearer.
1425 (use_return_insn): Test for "not (TARGET_APCS and
1426 frame_pointer_needed)".
1427 (arm_return_in_memory): Improve handling of structures.
1429 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1430 "is_strongarm" and "is_arm_6_or_7" attributes.
1431 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1433 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1435 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1437 1999-02-22 Philip Blundell <philb@gnu.org>
1439 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1440 definition with one including cache synchronisation.
1441 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1442 Move definition of inhibit_libc to...
1443 * config/arm/xm-linux.h: ... here.
1445 * config/arm/t-linux: Disable multilib configurations since the
1446 only effect for most people is to cause builds to fail.
1448 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1449 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1451 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1452 (HANDLE_SYSV_PRAGMA): Likewise.
1453 (LIB_SPEC): Copy definition from generic Linux files.
1454 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1455 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1456 (DWARF2_DEBUGGING_INFO): Define.
1457 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1459 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1461 * loop.c (libcall_other_regs): Make extern.
1462 * rtl.h (find_last_value): Add parameter to prototype.
1463 (libcall_other_reg): Add extern declaration.
1464 * rtlanal.c (find_last_value): Add another parameter to allow
1465 a definition using a hardware register to be found as well.
1467 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1469 * cse.c (dump_class): New function.
1470 (invalidate_memory): Fix typo in comment.
1471 * function.c (temp_slot): Add an alias set field.
1472 (assign_stack_temp): Only reuse slots if they will have the
1473 same alias set as before.
1474 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1476 * rtl.c (copy_rtx): Copy all the flags (in particular,
1479 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1481 * configure.in (i[34567]86-*-linux-gnu*,
1482 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1483 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1486 * configure: Rebuilt.
1488 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1491 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1493 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1494 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1495 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1498 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1500 * objc/objc-act.c (encode_type): Temporary revert to the old
1501 behavior of encoding types as the new one seems to break the
1502 encoding of bitfields.
1504 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1505 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1507 * Makefile.in (all.internal, all.cross): Depend on `doc'
1508 target, to ensure docs get made before installation.
1511 Decrease spurious warnings from -fsyntax-only:
1512 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1514 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1516 * c-lex.c (yylex): Replace warning about integer constants being
1517 larger than long-longs, with a warning about integer constants
1518 being larger than the largest target integer.
1520 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1522 Fix -fsyntax-only ICEs:
1523 * varasm.c (assemble_zeros, assemble_variable,
1524 output_constant_def): Do nothing when -fsyntax-only.
1526 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1528 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1529 * configure: Rebuilt.
1531 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1533 * version.c: Bump for snapshot.
1535 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1537 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1538 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1539 * tm.texi: Update docs for constructors and destructors.
1541 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1543 * genattrtab.c (check_attr_value): Allow negative const_int if
1544 negative_ok. Accept integral arithmetic operators. Accept
1545 direct references to other attributes. Accept symbol_ref in
1546 non-constant attributes.
1547 (max_attr_value): Add new argument `unknownp'. Update all callers.
1548 (or_attr_value): Likewise.
1549 (simplify_knowing): Don't optimize if max_attr_value unknown.
1550 (write_length_unit_log): Likewise with or_attr_value.
1551 (find_and_mark_used_attributes): Don't fallthru case.
1552 (write_attr_set): Pass thru all non-cond expressions.
1553 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1555 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1557 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1559 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1561 * regmove.c (discover_flags_reg): Remove cc0 code.
1562 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1563 a potential flags register was identified.
1565 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1567 * rs6000.md (scc plus ltu): Fix typo in last change.
1569 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1571 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1573 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1575 * regmove.c (discover_flags_reg): New function.
1576 (flags_set_1, mark_flags_life_zones): New functions.
1577 (regmove_optimize): Call them.
1578 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1580 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1582 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1584 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1585 Use loop_insn_first_p.
1587 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1588 David Edelsohn <edelsohn@gnu.org>
1590 * rs6000.md (scc plus eq): Fix output template.
1591 (scc plus ltu): Fix output template and collapse variants
1592 correcting early clobbers.
1593 (scc plus geu): Fix output template.
1594 (scc plus gt): Fix output template.
1595 (scc plus gtu): Fix output template and collapse variants.
1597 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1599 * cppinit.c (print_help): Remove unescaped newline in string.
1601 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1603 * loop.c (strength_reduce): Check for intervening jumps when
1604 converting biv increment to giv.
1606 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1608 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1609 * expr.c (expand_expr): Support new tree nodes.
1611 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1613 * config/m68k/m68k.c (m68k_align_loops_string,
1614 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1615 * config/m68k/m68k.h (m68k_align_loops_string,
1616 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1618 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1620 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1622 * bitmap.h (bitmap_print): Likewise.
1624 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1626 * c-lang.c (build_objc_string): Likewise.
1628 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1629 limits.h or ctype.h. Remove unused variable `p'.
1631 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1633 * c-pragma.c (handle_pragma_token): Likewise.
1635 * c-pragma.h (handle_pragma_token): Likewise.
1637 * c-tree.h (build_objc_string, builtin_function, grokfield,
1638 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1639 pedwarn_init): Likewise.
1641 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1642 push_string, warning_init, incomplete_type_error,
1643 build_indirect_ref, lvalue_or_else, readonly_warning,
1644 build_c_cast, spelling, push_member_name, print_spelling,
1645 error_init, pedwarn_init, start_init): Likewise.
1647 * objc/objc-act.c (build_objc_string): Likewise.
1649 * print-tree.c (print_node_brief, print_node): Likewise.
1651 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1653 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
1655 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1657 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1659 * configure.in :Handle OpenBSD platforms.
1660 * configure: Rebuilt.
1661 * config/openbsd.h: New file.
1662 * config/xm-openbsd.h: New file.
1663 * config/t-openbsd: New file.
1664 * config/t-openbsd-thread: New file.
1666 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1668 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1669 assign_stack_local for BLKmode slots.
1671 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1673 * loop.c (strength_reduce): For derived givs, replace the
1674 giv this was derived from with its new_reg.
1675 (recombine_givs): Don't set new_reg for derived giv.
1676 And don't print it, print SUM instead.
1678 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1680 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1682 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1684 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1685 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1687 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1688 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1689 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1690 cpp_pending, version_string, struct default_include,
1691 include_defaults_array, path_include, cpp_options_init,
1692 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1693 cpp_reader_init, nreverse_pending, push_pending, print_help,
1694 cpp_handle_option, cpp_handle_options, cpp_finish,
1695 cpp_cleanup): Move to cppinit.c.
1696 (macro_cleanup, struct arglist, collect_expansion,
1697 create_definition, compare_defs, comp_def_part, ARG_BASE,
1698 struct argdata, macarg, change_newlines, timestamp,
1699 monthnames, special_symbol, unsafe_chars, macroexpand,
1700 push_macro_expansion): Move to cpphash.c.
1701 (quote_string, check_macro_name, cpp_expand_to_buffer,
1702 output_line_command, cpp_undef): Export.
1703 (null_underflow, null_cleanup, handle_directive): Make static.
1705 * cpplib.h: Prototype now-exported functions. Adjust decls of
1706 syntax tables so we can include cpplib.h in cppinit.c.
1707 * cpphash.h: Prototype all functions exported by cpphash.c.
1708 * cppinit.c: Make syntax tables initialized data if possible
1709 (uses GCC designated-initializer extension).
1710 * cppexp.c: Make cpp_lex static.
1711 * Makefile.in: Move -D switches for the various include dirs
1712 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1714 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1716 * alpha/openbsd.h: New file.
1717 * alpha/xm-openbsd.h: New file.
1718 * sparc/openbsd.h: New file.
1719 * sparc/xm-openbsd.h: New file.
1720 * m68k/openbsd.h: New file.
1721 * m68k/xm-openbsd.h: New file.
1722 * i386/openbsd.h: New file, originally from netbsd.
1723 * i386/xm-openbsd.h: New file.
1725 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1727 * Makefile.in: Correct dependencies for cpplib object files.
1729 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1731 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1734 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1736 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1739 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1741 * tree.c (tree_node_kind_names, print_obstack_name,
1742 get_identifier, maybe_get_identifier, build_string,
1743 build_expr_wfl, is_attribute_p, lookup_attribute,
1744 print_obstack_statistics, get_file_function_name_long, tree_check,
1745 tree_class_check, expr_check): Qualify a char* with the `const'
1748 * tree.h (get_identifier, maybe_get_identifier, build_string,
1749 build_expr_wfl, is_attribute_p, lookup_attribute,
1750 print_obstack_statistics, print_obstack_name, tree_check,
1751 tree_class_check, expr_check): Likewise.
1753 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1755 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1758 * calls.c (store_one_arg): Mark any slots used for the argument
1759 as in-use immediately after we're done saving any slots which
1760 will be overwritten by this argument.
1762 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1764 * rs6000.md (call_value): Fix typo.
1766 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1768 * loop.c (strength_reduce): Calculate maybe_dead before
1769 calling recombine_givs.
1771 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1773 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1775 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1777 * objc/objc-act.c (encode_type): Encode the type instead of
1778 encoding the mode of the type (patch from Richard Frith-Macdonald
1779 <richard@brainstorm.co.uk>).
1781 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1783 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1784 instruction killed in previous change. Simplify mask generation.
1785 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1787 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1789 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1790 bitfield does not overflow a byte boundary.
1792 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1794 * c-common.c (shorten_compare): Get the min/max value from the
1795 underlying type of an enumeration, not the enumerated type itself.
1797 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1799 * jump.c: Include insn-attr.h.
1800 (delete_computation): If reload has completed and insn scheduling
1801 after reload is enabled, then do not depend on REG_DEAD notes.
1802 * Makefile.in (jump.o): Depend on insn-attr.h.
1804 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1806 * i386.md (addsi3): Allow lea for any constant_p.
1808 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1810 * toplev.c (documented_lang_options): Remove -fident and
1811 -fnoident, which are now handled by the language independent
1814 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1816 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1817 * c-lex.c: Likewise.
1818 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1819 list in malloced memory for the buffer stack.
1820 (cpp_get_token): Don't pop the last buffer off the stack.
1821 Calls after CPP_EOF has been returned produce CPP_EOF with no
1823 (cpp_finish): Pop last buffer here.
1824 (do_line): Don't free ip->last_nominal_fname if it is equal to
1826 (special_symbol): If a T_CONST is the empty string, push a
1827 single `@ ' escape instead.
1828 (macroexpand): Special symbol buffers have escapes too.
1829 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1831 (struct cpp_reader): Remove buffer_stack. Add
1833 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1836 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1838 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1839 WIDE_INT with WIDEST_INT.
1842 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
1843 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
1844 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
1845 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
1846 definition of variable `c89' when compiling a test binary and set it.
1848 * system.h: Don't define the PRINTF_PROTO_* macros.
1850 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
1852 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
1853 we do not understand, mark the loop and containing loops as invalid.
1855 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1857 * alias.c (init_alias_analysis): Avoid self-referential value
1858 when setting reg_known_value from REG_EQUAL notes.
1860 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1862 * i386.c (legitimate_address_p): Verify modes of base and index.
1864 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1866 * i386.c (legitimate_pic_address_disp_p): Remove static.
1867 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1870 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1872 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1873 * explow.c (probe_stack_range): Likewise.
1874 * expmed.c (do_cmp_and_jump): Likewise.
1875 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1876 (do_tablejump): Likewise.
1877 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1878 (do_jump_if_equal, emit_case_nodes): Likewise.
1879 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1880 then convert comparison to an unsigned code before emitting the jump.
1881 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1883 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1885 * version.c: Bump for snapshot.
1887 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1889 * version.c: Bump for snapshot.
1891 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1893 * loop.c: Disable recent loop changes. Temporary as Joern
1894 continues to fix problems.
1896 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1898 * loop.c (combine_givs_used_by_other): Delete.
1899 (combine_givs_benefit_from): Delete.
1900 (combine_givs): Deny combination of givs only used once. Simplify
1901 code with the death of combine_givs_benefit_from.
1903 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1905 * loop.c (scan_loop): Call reg_in_basic_block_p before
1906 loop_reg_used_before_p.
1908 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1910 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1914 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1915 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1916 in the constant pool aren't valid.
1917 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1919 * arm.c: Include "system.h", not stdio.h and string.h.
1921 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1923 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1924 (optimize_tail_recursion): Change return type from void to int.
1925 Add return statements.
1926 * tree.h (optimize_tail_recursion): Change prototype to match.
1928 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1930 * reload.c (find_reloads_subreg_address): New function, broken out of
1931 find_reloads_toplev.
1932 (find_reloads_toplev, find_reloads_address_1): Use it.
1934 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1936 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1937 extending a CONST_INT.
1939 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1941 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1943 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1945 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1947 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1949 * loop.c (load_mems): Don't guess how to do a load / store, use
1952 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1954 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1956 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1958 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
1960 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
1962 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
1963 pseudo which is homed in the stack.
1965 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
1966 (compute_frame_size): Change loop over FP regs to be consistent
1967 with the loop in save_restore_insns.
1969 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
1971 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
1972 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
1974 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
1976 * mn10200.md (bset); Re-enable.
1978 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1980 * sh.md (is_sfunc): New attribute.
1981 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
1983 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
1985 * fold-const.c (range_binop): Take account of the bounded nature
1986 of fixed length arithmetic when comparing unbounded ranges.
1988 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
1990 * function.c (assign_stack_temp_for_type): Clear best_p
1991 when an exact match is found.
1993 * i386.h (LOCAL_ALIGNMENT): Define.
1994 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
1995 (assign_stack_temp_for_type): New function based on assign_stack_temp.
1996 (assign_stack_temp): Call it.
1997 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
1998 * stmt.c: Use assign_temp, not assign_stack_temp.
1999 * tm.texi: Document LOCAL_ALIGNMENT.
2001 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
2003 * reorg.c: Finish deleting half-deleted comment.
2005 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
2007 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
2009 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
2011 * real.c (endian): Delete sign extension code.
2012 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
2013 replaced with operand_subword call.
2015 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
2017 * alpha.md (cmov compound patterns): Delete. Jump can now
2018 create the correct constructs in the first place.
2020 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
2022 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
2024 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
2026 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
2028 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
2030 * tmp-emsgids.c: Delete.
2032 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
2034 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
2037 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
2039 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
2041 * reload1.c (reload_combine_note_store): Second argument is no
2042 longer unused/ignored. Handle multi-register hard regs.
2043 (move2add_note_store): Simplify.
2045 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
2047 * collect2.c (collect_execute): Remove cygwin-specific code.
2049 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
2051 * system.h (_, N_): Remove dummy i18n macros.
2052 * protoize.c: Move inclusion of intl.h to after system.h.
2053 * cexp.y: Include intl.h.
2056 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
2058 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
2059 fpic/fPIC for windows32 targets.
2060 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
2062 * i386/mingw32.h (CPP_SPEC): Define.
2063 (CPP_PREDEFINES): Add MINGW32 version id.
2064 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
2066 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
2067 add missing exeext to target.
2069 * gcc.c (convert_filename): Handle null filename argument.
2071 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2073 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
2074 m constraint instead of QT.
2076 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
2078 * cpplib.c (special_symbol): Move IP to be declared in function
2079 scope, rather than individual case statements.
2081 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2083 * cppfiles.c (finclude): Handle pipes properly under old BSD
2086 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
2088 * system.h: Provide fallback definitions for S_ISCHR,
2089 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
2091 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2093 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
2095 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
2097 * configure.in: For PowerPC configurations, accept "401", "ec603e",
2098 "740", and "750" as valid arguments to --with-cpu.
2099 * configure: Rebuilt.
2101 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
2103 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
2104 * configure: Rebuilt.
2106 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
2108 * rs6000.md: Revert "alternate use of crs if cr0 not available"
2109 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
2111 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
2113 * output.h (current_function_has_computed_jump): Rename from
2114 current_function_addresses_labels.
2115 * function.h (struct function): Likewise for addresses_labels member.
2116 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
2117 * function.c (current_function_has_computed_jump): Likewise.
2118 Update all references.
2119 * integrate.c (function_cannot_inline_p):
2120 Test current_function_has_computed_jump instead of addresses_labels.
2121 (initialize_for_inline): Likewise save.
2122 (output_inline_function): Likewise restore.
2124 * expr.c (expand_expr): Don't reference addresses_labels variables.
2125 * stmt.c (expand_computed_goto): Set has_computed_jump.
2127 1999-02-08 Michael Meissner <meissner@cygnus.com>
2129 This is being installed only to get it into the repository to help
2130 with the revert, resubmit & review process for the massive rs6000.md
2132 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
2134 (anddi3_internal1): Ditto.
2135 (andsi3_internal{2,3}): Correct some insn lengths.
2136 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
2139 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
2141 * loop.c (reg_single_usage): New file-scope variable ...
2142 (scan_loop): ... moved out of here. Always initialize.
2143 Test loop_has_call instead of reg_single_usage not zero.
2144 Free reg_single_usage after strength reduction.
2145 (count_loop_regs_set): Assume single_usage non-zero.
2146 (combine_givs_used_by_other): Test reg_single_usage.
2147 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
2148 as a parameter. Assume non-zero.
2150 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2152 * cpplib.c (special_symbol): Rewrite. Don't copy things
2153 multiple times. Handle __STDC__ specially. T_CONST
2154 indicates a constant /string/. Don't handle T_*_TYPE and
2155 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
2156 adjust_position. Determine the file buffer only if needed.
2157 (initialize_builtins): Handle __SIZE_TYPE__,
2158 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
2159 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
2160 Don't provide __OBJC__; the driver does that. Provide
2161 __STDC_VERSION__, using T_CONST. Use T_STDC for
2162 __STDC__. Give install the length of all symbols defined.
2163 (eval_if_expression): Drop code to insert and remove the
2164 "defined" special symbol.
2166 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
2167 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
2169 * cpphash.c (install): Drop the `ivalue' parameter. Constify
2170 the `value' parameter. All callers changed.
2171 * cpphash.h (install): Change prototype to match.
2172 (union hashval): Remove `ival' member.
2173 * cppexp.c (cpp_lex): Handle `defined' here.
2175 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
2177 * pa.h (EXTRA_CONSTRAINT): Fix comment.
2179 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2181 * c-typeck.c (check_init_type_bitfields): Use nonincremental
2182 initialization of unions whose first member is a bitfield.
2183 Remove unnecessary code for checking the declaration mode
2184 after DECL_C_BIT_FIELD.
2186 * varasm.c (output_constructor): Additional comment about the
2187 constructor of bitfield union initialization.
2189 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2191 * config/c4x/c4x.md (*movhi_stik): New pattern.
2192 (movhi): Allow some immediate constants to be directly
2195 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2197 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
2198 (call, call_value): Force address into a register if not valid
2199 for a call instruction.
2200 (load_immed_address): Emit a USE of the SYMBOL_REF that is
2202 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
2204 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2206 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
2207 Rename from call_operand and symbolic_operand respectively. All
2209 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
2211 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
2213 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
2215 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2217 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
2218 LO_SUM address for HImode or HFmode but instead force address into
2219 a register so that it is offsettable.
2220 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
2222 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2224 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
2225 REG+REG addressing if strength reduction enabled.
2227 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2229 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
2230 (TARGET_LIBGCC2_CFLAGS): Define.
2232 1999-02-08 Nick Clifton <nickc@cygnus.com>
2234 * config/v850/v850.md: Replace \\n\\t with \\;
2236 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
2237 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
2238 Enforce TARGET_LONG_CALLS option.
2240 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
2242 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
2244 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
2246 * m88k/t-luna-gas: Remove bash dependency.
2248 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
2250 * collect2.c (xrealloc): Fix typo in last change.
2252 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
2254 * version.c: Bump for snapshot.
2256 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
2258 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
2259 that we do not want macro replacement within a character constant.
2260 (TYPE_CHECK1): Likewise.
2262 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
2264 * tree.h (DECL_P): New macro.
2266 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2268 * version.c: Bump for snapshot.
2270 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
2272 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
2274 * README.g77, gcc.c, gcc.texi: Update email addresses.
2275 * invoke.texi system.h: Likewise.
2277 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
2279 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
2280 to convert dest_reg to new_reg.
2282 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
2284 * reload1.c (reload_combine_note_store): Be more careful with
2285 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
2286 (move2add_note_store): Likewise.
2288 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2290 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
2291 U_CHAR* when assigning to one. Ensure the values of a ?: operator
2294 * cppinit.c (initialize_char_syntax): Use K&R function definition.
2296 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
2299 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
2300 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
2301 (TARGET_CPU_DEFAULT): Rework to support ARM9.
2302 (CPP_CPU_ARCH_SPEC): Likewise.
2303 (enum processor_type): Likewise.
2304 * config/arm/arm.md (attr cpu): Add arm9.
2306 General scheduling changes
2307 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
2308 (max_insns_skipped): New variable.
2309 (arm_override_options): If generating hard floating point code for
2310 the FPA, emit code for version 3.
2311 When optimizing for space, don't synthesize constants.
2312 Reword several flags based on the requested processor and optimization
2314 (use_return_insn): New argument iscond, all callers changed. Don't
2315 use a return insn if it will be conditional and that would be
2316 expensive; eg on StrongARM.
2317 (arm_adjust_cost): Anti- and output- dependencies normally have no
2319 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
2320 the sequence is short.
2321 (final_prescan_insn): Use max_insns_skipped instead of
2322 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
2323 conditional, and aviod this if it would be expensive.
2324 * config/arm/arm.md (scheduling attributes and function units):
2325 Rewrite to better describe ARM8, 9 and StrongARM.
2327 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
2329 (*ifcompare_plus_move): Use arm_rhs_operand in place of
2330 arm_rhsm_operand. Rework constraints.
2331 (*if_plus_move): Likewise.
2332 (*ifcompare_move_plus): Likewise.
2333 (*if_move_plus): Likewise.
2334 (*ifcompre_arith_move): Likewise.
2335 (*if_arith_move): Likewise.
2336 (*ifcompare_move_arith): Likewise.
2337 (*if_move_arith): Likewise.
2339 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
2341 1999-02-05 Michael Meissner <meissner@cygnus.com>
2343 * loop.c (check_dbra_loop): A store using an address giv for which
2344 we have no life information is not reversible.
2346 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2348 * function.c (fixup_var_refs): Scan catch_clauses too.
2350 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2352 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2353 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2355 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2357 * loop.c (strength_reduce): Clear not_every_iteration when
2358 passing the NOTE_INSN_LOOP_CONT note.
2360 * haifa-sched.c (add_dependence): Do not add a dependency on a
2363 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2365 * recog.c (split_block_insns): Only call update_flow_info if
2366 instruction scheduling is enabled.
2368 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2370 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2372 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2374 * loop.c (first_loop_store_insn): New file-scope variable.
2375 (prescan_loop): Set it.
2376 (check_dbra_loop): Check if a store depends on a register
2377 that is set after the store.
2379 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2381 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2382 Replace spaces with tabs where appropriate.
2384 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2386 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2387 (strength_reduce): New argument loop_cont. Changed caller.
2388 Before clearing not_every_iteration after a label, check if
2389 we are not already past LOOP_CONT.
2391 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2393 * cpperror.c (cpp_print_containing_files): Fix formatting
2394 bug induced by merge.
2396 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2398 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2399 (cpp_define): Remove redundant syntax checks.
2400 (make_assertion): Rename cpp_assert, remove redundant syntax
2402 (cpp_options_init): Don't init things to zero twice.
2403 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2404 (do_include): Kill excessively verbose #import warning that
2405 snuck back in in the gcc2 merge.
2406 (convert_string): Removed.
2407 (do_line): Rewrite with simple last-name-used cache instead of
2409 (cpp_start_read): Call initialize_char_syntax here, not...
2410 (cpp_reader_init): ...here.
2411 (cpp_handle_options): Support the -std switch.
2412 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2413 (cpp_options): Add c9x flag.
2414 Declare all the is_* tables and trigraph table here, as const.
2415 Prototype cpp_assert and initialize_char_syntax.
2416 * cppinit.c: New file.
2417 * cppfiles.c (read_and_prescan): Optimize.
2418 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2420 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2422 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2423 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2424 before calling gen_div_trap.
2426 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2428 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2429 than numeric value for target_cpu_default..
2430 * configure: Rebuilt.
2432 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2434 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2435 mkstemp. Get them from libiberty.
2436 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2437 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2438 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2439 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2441 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2443 * pa-hpux.h (LINK_SPEC): Likewise.
2444 * pa-hpux10.h (LINK_SPEC): Likewise.
2445 * pa-hpux9.h (LINK_SPEC): Likewise.
2446 * pa-osf.h: (LINK_SPEC): Likewise.
2447 * pa-pro.h (TARGET_DEFAULT): Likewise.
2448 * pa1.h (TARGET_DEFAULT): Likewise.
2449 * pa.h (MASK_*): New defines.
2450 (TARGET_*): Use symbolic values rather than numeric values.
2451 (TARGET_SWITCHES): Likewise.
2452 (TARGET_DEFAULT): likewise.
2453 (CPP_SPEC): likewise.
2455 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2457 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2458 * reload.c (find_reusable_reload): New function, broken out of
2459 push_reload. Add code to verify that none of the involved
2460 outputs are subject to earlyclobbers.
2461 (push_reload): Break out new function find_reusable_reload.
2462 Delete "register" keyword for IN, OUT args.
2464 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2466 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2467 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2468 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2469 Use true_reg_or_0_operand for div_trap.
2471 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2473 * loop.h (express_from): Declare.
2474 (struct induction): Replace derived flag with derived_from pointer.
2475 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2476 (express_from): No longer static.
2477 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2478 When processing an address giv with which another giv has been
2479 combined that has also been derived from a third giv, handle like
2480 having combined with the third giv.
2481 Set splittable_regs_updates appropriately for derived givs.
2483 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2485 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2487 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2489 * pa.c (insn_sets_and_refs_are_delayed): New function.
2490 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2491 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2493 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2495 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2496 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2497 (TARGET_LIBGCC2_CFLAGS): Define.
2498 (LIBGCC2_DEBUG_CFLAGS): Define.
2499 * config/arm/t-netbsd: Likewise.
2500 * config/arm/t-semi: Likewise.
2501 * config/arm/t-semiaof: Likewise.
2502 * config/arm/t-riscix: Likewise.
2504 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2506 * config/m68k/m68k.c (print_operand_address): When printing a
2507 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2509 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2511 * i386/freebsd*.h now allows '$' in label names and does not use the
2512 PCC struct return method.
2514 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2516 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2517 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2518 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2519 names if host == target.
2520 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2521 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2522 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2523 setting them to *_FOR_TARGET.
2524 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2527 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2529 * toplev.h (read_integral_parameter): Declare.
2530 * toplev.c (read_integral_parameter): New function.
2532 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2534 * resource.c, resource.h: New files.
2535 * Makefile.in (OBJS): Add it.
2537 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2538 (split_block_insns): Moved to recog.c.
2539 (update_flow_info): Make public.
2540 * rtl.h: Declare them.
2542 * reorg.c: Moved the functions dealing with computing resource
2543 usage to resource.c.
2545 * sched.c (regno_use_in): Moved to rtlanal.c.
2546 (update_flow_info): Make public.
2547 (schedule_insns): Use split_block_insns.
2549 * recog.c (split_block_insns): New function.
2551 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
2553 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2554 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2556 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2558 * configure.in (arm-*-oabi): Support.
2559 * configure: Regenerate.
2560 * config/arm/unknown-elf-oabi.h: New file.
2562 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2564 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2565 Make the anonymous pattern match when ! optimize_size.
2566 (ashlsi3 size optimizer): New pattern.
2568 * intl/Makefile.in (uninstall): Add missing "; \".
2570 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2572 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2575 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2577 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2578 to after find_and_verify_loops call.
2580 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2582 * (recombine_givs): Don't use a giv that's likely to be dead to
2585 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2586 wrap around when deriving givs.
2588 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2590 * recog.c (check_asm_operands): Treat indeterminate operand ok
2591 results as success. Try harder to resolve a matching constraint.
2592 * stmt.c (expand_asm_operands): Recognize when an output operand's
2593 constraint does not allow memory. Treat indeterminate operand ok
2594 results as failure. Try harder to resolve a matching constraint.
2596 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2598 Use varrays for constant-equivalence data:
2600 * varray.h (struct const_equiv_data): New type.
2601 (union varray_data_tag): New element const_equiv.
2602 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2603 (VARRAY_SIZE): New macro, returns number of elements.
2604 * integrate.h: Include varray.h.
2605 (struct inline_remap): Replace const_equiv_map, const_age_map and
2606 const_equiv_map_size with a const_equiv_varray element.
2607 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2609 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2610 simultaneously, growing the varray if needed.
2612 * integrate.c (global_const_equiv_map,
2613 global_const_equiv_map_size): Deleted, replaced by....
2614 (global_const_equiv_varray): New variable.
2615 (expand_inline_function): References changed.
2616 * integrate.h: Update declarations.
2618 * integrate.c (process_reg_parm, expand_inline_function,
2619 copy_rtx_and_substitute, try_constants, subst_constants,
2620 mark_stores): Use varray allocation and accessor macros, new
2621 integrate.h macros, and global_const_equiv_varray. Don't
2622 conditionalize non-NULL stores on array size; instead, expand the
2624 * unroll.c (unroll_loop): Likewise.
2626 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2627 zero. After allocating varray, always exit through bottom of
2628 function, where it can be deallocated if needed. Don't explicitly
2629 reallocate const_equiv_map storage; instead, just ensure the
2630 varray has been initialized, and update the global reference.
2632 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2634 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2636 * dwarf2out.c (inline): Don't define.
2638 * dwarfout.c (inline): Likewise.
2640 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2642 * loop.c (recombine_givs): Dump recombination and derivation data.
2644 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2646 * flags.h: Declare flag_no_ident.
2647 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2648 * c-tree.h: Don't declare flag_no_ident.
2649 * c-decl.c: Don't define flag_no_ident. Don't process
2650 -f(no-)ident switches here.
2652 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2653 only if !flag_no_ident.
2654 * config/ptx4.h: Likewise.
2655 * config/svr4.h: Likewise.
2656 * config/alpha/elf.h: Likewise.
2657 * config/arm/linux-elf.h: Likewise.
2658 * config/i386/sco5.h: Likewise.
2659 * config/i860/fx2800.h: Likewise.
2660 * config/mips/gnu.h: Likewise.
2661 * config/i386/osfrose.h: Likewise.
2663 * gcc.c (C specs): Map -Qn to -fno-ident.
2664 * objc/lang-specs.h: Likewise.
2666 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2668 * configure.in: Don't remove loop.o and unroll.o when
2669 enable-haifa is selected.
2670 * configure: Rebuilt.
2672 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2674 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2675 movxfcc, movdicc): Delete unconstrained alternatives.
2676 * i386.c (output_fp_conditional_move,
2677 output_int_conditional_move): Delete unused case.
2679 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2681 * version.c: Bump for snapshot.
2683 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2685 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2686 instead of bis and cpys. Combine alternatives where possible.
2688 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2690 * gcov.c (fnotice): Add missing FILE* parameter.
2691 (function_summary): Fix format specifiers in calls to `fnotice'.
2692 (output_data): Likewise.
2694 * toplev.c (fnotice): Constify char* parameter.
2696 * toplev.h (fnotice): Add prototype.
2697 Wrap prototype with BUFSIZ to protect FILE* usage.
2699 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2701 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2703 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2705 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2707 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2708 function definition.
2709 (aliases_everything_p, write_dependence_p):Likewise.
2711 * install.texi: Fix merge lossages.
2713 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2715 * collect2.c (main): Likewise.
2716 * cppmain.c (main): Likewise.
2717 * gcc.c (main): Likewise.
2718 * gcov.c (main): Likewise.
2719 * protoize.c (main): Likewise.
2720 * toplev.c (main): Likewise.
2722 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2725 * loop.c: Disable recent loop changes. Temporary as Joern
2726 continues to fix problems.
2728 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2730 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2732 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2734 * emit-rtl.c (remove_insn): New function.
2735 * rtl.h (remove_insn): Add prototype.
2736 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2738 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2740 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2742 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2745 when declaring arguments and calling va_arg() to initialize them.
2747 * collect2.c (notice): Likewise.
2749 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2751 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2753 * collect2.c (error): Fix typo in declaration.
2755 * cpperror.c (cpp_message): Likewise.
2757 * cpplib.c (cpp_warning): Likewise.
2759 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2762 * toplev.c (error): Fix typo in declaration.
2764 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2766 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2767 forward from cont dominator.
2769 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2771 * cccp.c (eprint_string): Constify a char*.
2772 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2773 (vnotice): Constify a char*.
2774 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2775 (verror): Constify a char*.
2776 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2777 (vwarning): Constify a char*.
2778 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2780 (verror_with_line): Constify a char*.
2781 (vwarning_with_line): Likewise.
2782 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2784 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2786 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2787 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2788 Also correct typo in parameter name declaration.
2789 (make_assertion): Constify a char*.
2790 (quote_string_for_make): Likewise.
2791 (deps_output): Likewise.
2792 (fatal): Likewise. Use PVPROTO not VPROTO, add
2793 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2794 "__attribute__ ((noreturn))".
2795 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2796 (pfatal_with_name): Likewise.
2797 (pipe_closed): Likewise.
2798 (memory_full): Likewise.
2800 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2802 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2803 may_not_optimize to proper size when converting biv increments
2805 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2808 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2810 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2811 generate complex adds. Changed caller.
2812 Don't generate adds that cost more than the original one.
2813 (strength_reduce): Warning fixes.
2815 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2817 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2818 * configure: Rebuilt.
2820 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2822 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2823 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2824 * loop.h (varray.h): Include.
2825 (struct induction): Change combined_with to unsigned.
2826 New members derived, ix and last_use.
2827 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2828 (REG_IV_TYPE, REG_IV_INFO): Define.
2829 (first_increment_giv, last_increment_giv): Declare.
2830 * loop.c (loop_number_loop_cont): New static variable.
2831 (loop_number_cont_dominator): Likewise.
2832 (reg_iv_type, reg_iv_info): Now varray_type.
2833 (first_increment_giv, last_increment_giv): New variables.
2834 (compute_luids, verify_dominator, find_life_end): New functions.
2835 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2836 (loop_optimize): Allocate loop_number_loop_cont and
2837 loop_number_cont_dominator. Use compute_luids.
2838 (find_and_verify_loops): Initialize loop_number_loop_cont and
2839 loop_number_cont_dominator.
2840 (strength_reduce): Try to find bivs that can be expressed as givs
2841 of another biv, and to convert biv increments into givs.
2842 Call recombine_givs. Handle derived givs.
2843 (record_biv): New argument location. All callers changed.
2844 (record_giv): Initialize derived and last_use fields.
2845 (basic_induction_var): New argument location. All callers changed.
2846 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
2847 Increment combined_with instead of setting to 1.
2848 * unroll.c (derived_regs): New static variable.
2849 (unroll_loop): Initialize it.
2850 Allocate local_regno according to max_reg_num.
2851 (copy_loop_body): Cope with derived givs.
2852 (find_splittable_givs): Check for Givs made from biv increments.
2853 Set derived_regs for givs.
2854 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
2856 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2858 * function.c (purge_addressof_1): Handle case when a register
2859 has been used in a wider mode.
2861 1999-01-27 Bruce Korb <autogen@linuxbox.com>
2863 * fixinc/fixincl.c, fixinc/server.[ch]:
2864 Removed the last of the capitalized variable and proc names.
2866 * fixinc/server.c: Removed the process open code
2867 * fixinc/procopen.c: New file containing the proc open code
2868 * fixinc/inclhack.tpl: Added code to bypass a readability test
2869 when a file is not present. A problem on some systems.
2870 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
2872 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2874 * cpplib.h (cpp_notice): Add prototype.
2876 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2878 * Merge gcc2 snapshot 19980929.
2880 * cccp.c (PRINTF_PROTO): Remove.
2881 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2883 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2885 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2886 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2887 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2889 * gen-protos.c (hashf): Delete in cpphash.o
2890 * gen-protos.c (hashf): Delete in cpphash.o
2892 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2893 * expmed.c: Likewise.
2894 * rs6000.md: Likewise.
2896 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2898 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2900 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2901 * rs6000.md (movsi, movdi): Likewise.
2903 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2905 * function.c (expand_function_end): Pass arg_pointer_save_area to
2906 validize_mem before using it. Emit code into a sequence.
2908 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
2910 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2911 '#' to split patterns. Correct indentation of some new patterns.
2913 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2915 * cppfiles.c (safe_read): Deleted.
2916 (read_and_prescan): New function, replaces safe_read, converts
2917 and/or warns about trigraphs, silently converts odd line
2918 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2919 (finclude): Use read_and_prescan; turn off nonblocking mode on
2920 the input descriptor; remove file-size-examination and
2921 no-newline-at-EOF gunk which is longer necessary; be more
2922 careful about checking that we've been handed a legitimate
2923 file to read (only real files, pipes, and ttys are acceptable).
2924 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2925 `trigraphs' and invert its sense.
2926 (trigraph_table): Declare.
2927 (cpp_warning_with_line): Prototype.
2928 * cpplib.c: Remove all references to trigraph_pcp. Define
2929 trigraph_table; initialize it in initialize_char_syntax. Open
2930 files in nonblocking mode. s/no_trigraphs/trigraphs/
2931 throughout, and invert sense. Put cpp_warning_with_line back
2934 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2936 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2937 * config/c4x/c4x.md (*rptb_init): Change constraints.
2938 (rptb_end): Emit alternate looping instructions if
2939 RC register not allocated for loop counter.
2940 (decrement_and_branch_on_count): Allow other registers
2943 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2945 * cppexp.c (struct arglist): Removed.
2946 (parse_number): Use HOST_WIDE_INT for the accumulator.
2947 Allow two `l' suffixes unless C89. Clean up. Make static.
2948 (parse_charconst): New function broken out of cpp_lex.
2949 Code cleaned up drastically. Don't use a token_buffer.
2950 (token_buffer): Removed.
2951 (cpp_lex): Don't call parse_number on a constant string.
2952 Use parse_charconst.
2953 (cpp_parse_expr): Properly handle an ERROR op returned by
2956 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2958 * cpplib.c: Don't include signal.h, sys/times.h, or
2959 sys/resource.h. Don't declare localtime.
2960 (macroexpand): Handle special symbols here.
2961 (push_macro_expansion): Chop off the trailing '@ ' if possible
2963 (cpp_get_token): Don't do either of the above two things here.
2964 Move `string' label just after case '"' so that wide strings
2965 don't crash the preprocessor.
2967 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
2969 * rs6000.md (left shift + set cr patterns): Add missing '#' to
2971 (move register + set cr pattern): Ditto.
2972 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
2973 inadvertently deleted.
2975 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
2977 * stmt.c (stmt_loop_nest_empty): New function.
2978 * tree.h (stmt_loop_nest_empty): Declare it.
2979 * rtl.def (CALL_PLACEHOLDER): New rtx code.
2981 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2983 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
2985 (c4x_check_legit_addr): Remove USE and PLUS, allow
2986 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
2987 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
2988 CONST cases. Add LO_SUM.
2989 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
2990 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
2991 (c4x_print_operand_address): Handle LO_SUM.
2992 (c4x_scan_for_ldp): Delete. Hooray!
2993 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
2995 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
2997 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
2999 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
3001 (c4x_U_constraint, symbolic_operand): New functions.
3002 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
3003 disable SYMBOL_REF, LABEL_REF, and CONST.
3004 (lsrc_operand, tsrc_operand): Call src_operand instead of
3006 (c4x_operand_subword): Update comments.
3008 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
3009 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
3010 plus HIGH and LO_SUM for the C40.
3011 (ENCODE_SECTION_INFO): Define macro.
3012 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
3014 (PREDICATE_CODES): Add symbolic_operand.
3016 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
3017 c4x_emit_move_sequence.
3018 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
3019 to avoid symbol references.
3020 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
3021 (set_high): Renamed from set_high_use.
3022 (set_lo_sum): Renamed from set_ior_lo_use.
3023 (all call patterns): Make MEM explicit in call address operands.
3024 Modified output templates to use 'U' modifier.
3026 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
3028 * version.c: Bump for snapshot.
3030 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3032 * final.c (bb_str): Qualify a char* with the keyword `const'.
3033 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
3035 * fix-header.c (read_scan_file): Likewise.
3037 * genoutput.c (output_epilogue, process_template): Likewise.
3039 * local-alloc.c (requires_inout, block_alloc): Likewise.
3041 * output.h (output_asm_insn, assemble_string): Likewise.
3043 * recog.c (recog_constraints, check_asm_operands,
3044 decode_asm_operands, extract_insn, preprocess_constraints,
3045 constrain_operands): Likewise.
3047 * recog.h (operand_alternative, recog_constraints, insn_template,
3048 insn_outfun, insn_operand_constraint, insn_name): Likewise.
3050 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
3052 * regmove.c (find_matches): Likewise.
3054 * reload.c (alternative_allows_memconst): Likewise.
3056 * reload1.c (constraint_accepts_reg_p,
3057 reload_cse_simplify_operands): Likewise.
3059 * rtl.h (decode_asm_operands): Likewise.
3061 * scan.h (fn_decl): Likewise.
3063 * varasm.c (assemble_string): Likewise.
3065 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
3067 * configure.in (gcc_tooldir): Handle case where exec_prefix has
3068 not been explicitly set.
3069 * configure: Rebuilt.
3071 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
3074 * bitmap.h (bitmap_head_def): Make indx field unsigned.
3076 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
3077 use $exec_prefix/$target_alias for gcc_tooldir.
3078 * configure: Rebuilt.
3080 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3082 * cppp.c (xrealloc): Fix typo last change.
3083 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
3084 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
3085 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3087 1999-01-22 Michael Meissner <meissner@cygnus.com>
3089 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
3090 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
3091 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
3092 (cc_reg_not_cr0_operand): Add declaration.
3094 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
3095 pseudo register, or a control register that is not CR0.
3097 * rs6000.md (all combiner patterns building . instructions): For
3098 all `.' instructions that do something and set cr0, add an
3099 alternative that does the operation, and then sets a different
3100 flag, in order to avoid using the costly mcrf instruction and also
3101 allow cr0 to be clobbered in asm statements. Also fix a few
3102 patterns that used the wrong register.
3104 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
3105 (rs6000_debug_name): Make const char *, not char *.
3107 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
3109 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
3110 (rs6000_select): Use const char * in casts.
3112 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
3114 * Makefile.in (gcc_tooldir): Move before first reference.
3115 Let autoconf substitute in a value.
3116 * configure.in (gcc_tooldir): Only use a relative path to the
3117 tool directory if $exec_prefix == $prefix.
3118 * configure: Rebuilt.
3120 * Makefile.in (tooldir): Replace with gcc_tooldir.
3122 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
3124 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
3125 (ashldi3 expander): Similarly. Update comments.
3126 (ashrdi_const, lshrdi_const): Fix indention.
3127 (ashrdi3, lshrdi3): FIx indention. Update comments.
3129 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
3131 * emit-rtl.c (try_split): Don't try to split non-instructions.
3133 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3135 * expr.c (emit_push_insn): Fix dumb typo.
3137 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
3139 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
3140 transformations that we have performed earlier.
3141 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3143 * alpha.md (prologue_stack_probe_loop): Don't do our own label
3144 handling, call gen_label_rtx instead.
3146 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
3148 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
3150 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
3151 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
3152 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3153 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
3154 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
3156 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
3158 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
3159 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
3160 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
3161 * configure: Regenerate.
3163 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
3165 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
3167 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
3169 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3171 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
3173 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
3174 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
3175 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
3176 (move_by_pieces): Use new macros.
3177 (emit_block_move): Use new macros.
3178 (clear_by_pieces): Use new macros.
3179 (clear_storage): Use new macros.
3180 (emit_push_insn): Use new macros.
3181 (expand_expr): Use new macros.
3182 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
3184 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
3185 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
3186 (MOVE_MAX_PIECES): move 8 bytes on SH4.
3187 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
3188 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
3189 USE_STORE_PRE_DECREMENT): Describe new macros.
3191 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3193 * varasm.c (output_constant_pool): Use floor_log2 instead of
3194 exact_log2 for ASM_OUTPUT_ALIGN.
3196 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
3198 * emit-rtl.c (operand_subword): Handle case when a subword outside
3201 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
3204 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
3206 * cse.c (fold_rtx): Revert 29 Dec change.
3207 (cse_insn): Revert 12 Jan change.
3208 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
3209 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
3210 * rtl.def: Likewise.
3211 * rtl.h (CONSTANT_P): Likewise.
3213 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
3215 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
3216 * alpha.c (input_operand): Likewise.
3217 * c4x.c (const_operand): Likewise.
3219 * explow.c (allocate_dynamic_stack_space): Use register_operand
3220 instead of arith_operand, which does not exist.
3222 * 1750a.h: Fix comment closure.
3223 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
3224 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
3225 * arm.h (TARGET_SWITCHES): Fix typo.
3226 * i370.md (anon mult and div patterns): Fix set mode mismatch.
3227 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
3228 (output_delay_insn): Likewise.
3229 * m88k.md (anon rotate insns): Fix set mode mismatch.
3230 (anon BLKmode moves): Commonize and fix set mode mismatches.
3231 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
3232 * romp.md (movdf): Fix typo.
3234 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
3236 * Makefile.in (install-common): Remove extraneous chmod for gcov
3239 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
3241 * function.c (assign_parms): Save and restore setting of
3244 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
3246 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
3247 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
3249 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
3251 * recog.c (pop_operand): New function.
3252 * recog.h (pop_operand): Declare it.
3253 * genrecog.c (preds): Define it.
3255 * expr.c (do_jump_for_compare): Handle conditional branch expanders
3256 emitting multiple jump instructions.
3257 * jump.c (condjump_label): New function.
3258 * rtl.h (condjump_label): Declare it.
3260 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
3262 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
3263 clobber during or after reload.
3265 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
3267 * genoutput.c (name_for_index): New function.
3268 (scan_operands, validate_insn_alternatives): Use it.
3269 * genrecog.c (insn_name_ptr_size): New variable.
3270 (make_insn_sequence): Fill in insn_name_ptr.
3271 (merge_trees): Use it.
3273 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
3275 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
3276 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
3277 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
3279 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
3281 * loop.c (NUM_STORES): Delete.
3282 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
3283 (prescan_loop): Properly initialize loop_mems_idx.
3284 (note_addr_stored): Simplify using list structure instead of
3286 (invariant_p, check_dbra_loop, load_mems): Similarly.
3288 * flow.c (invalidate_from_autoinc): New function.
3289 (mark_set_1, mark_used_regs): Use it.
3291 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
3293 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3295 * invoke.texi (-mlong-double-64): New option description.
3297 1999-01-19 Jim Wilson <wilson@cygnus.com>
3299 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
3300 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
3301 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
3303 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
3304 (CPP_SPECS): Add -mlong-double-64 support.
3305 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
3306 (TARGET_SWITCHES): Add -mlong-double-64 support.
3307 (LONG_DOUBLE_TYPE_SIZE): Likewise.
3308 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3309 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
3310 (CPP_SPECS): Add -mlong-double-64 support.
3311 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
3312 (MULTILIB_DIRNAMES): Add ld64.
3313 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
3315 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3317 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
3318 invisible reference.
3320 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
3322 * rs6000.c (offsettable_addr_operand): Delete.
3323 (offsettable_mem_operand): New function.
3324 * rs6000.h (PREDICATE_CODES): Reflect function change.
3325 (RS6000_SAVE_TOC): Represent address as MEM.
3326 * win-nt.h (RS6000_SAVE_TOC): Same.
3327 * rs6000.md (indirect calls): Change offsettable address parameter
3328 to offsettable memory parameter.
3330 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
3332 * rtl.h (rtx_def): Update documentation.
3333 (MEM_IN_STRUCT_P): Likewise.
3334 (MEM_SCALAR_P): New macro.
3335 (MEM_COPY_ATTRIBUTES): Likewise.
3336 (MEM_SET_IN_STRUCT_P): Likewise.
3337 * rtl.texi (MEM_SCALAR_P): Document.
3338 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
3339 (fixed_scalar_and_varying_struct_p): New function. Use
3340 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
3341 (aliases_everything_p): Likewise.
3342 (true_dependence): Use them.
3343 (write_dependence_p): New function, containing code common to
3344 anti_dependence and output_dependence.
3345 (anti_dependence): Use it.
3346 (output_dependence): Likewise.
3347 * calls.c (save_fixed_argument_area): Don't clear
3349 (expand_call): Use MEM_SET_IN_STRUCT_P.
3350 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3351 (emit_library_call_value): Likewise.
3352 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3353 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3354 (make_extraction): Likewise.
3355 (simplify_shift_const): Likewise.
3356 (gen_lowpart_for_combine): Likewise.
3357 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3358 * emit-rtl.c (operand_subword): Likewise.
3359 (change_address): Likewise.
3360 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3361 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3362 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3363 (copy_blkmode_from_reg): Likewise.
3364 (store_field): Likewise.
3365 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3366 heuristically. Use MEM_SET_IN_STRUCT_P.
3367 (get_memory_rtx): Likewise.
3368 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3369 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3370 MEM_ALIAS_SET on newly returned MEMs.
3371 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3372 (put_reg_into_stack): Likewise.
3373 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3374 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3375 (assign_parms): Likewise.
3376 (expand_function): Likewise.
3377 * integrate.c (expand_inline_function): Likewise.
3378 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3379 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3380 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3381 * print-rtl.c (print_rtx): Print /f for frame_related.
3382 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3383 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3384 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3385 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3386 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3387 (output_constant_def): Likewise.
3388 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3390 (a29k_set_memflags): Use it.
3391 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3392 * c4x.c (c4x_scan_for_ld): Likewise.
3393 * h8300.c (fix_bit_operand): Likewise.
3394 * m88k.c (legitimize_address): Likewise.
3395 (block_move_loop): Likewise.
3396 (block_move_no_loop): Likewise.
3397 (block_move_sequence): Likewise.
3398 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3399 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3400 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3401 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3402 * arm.h (arm_gen_load_multiple): Take scalar_p.
3403 (arm_store_load_multiple): Likewise.
3404 * arm.c (arm_gen_load_multiple): Likewise.
3405 (arm_gen_store_multiple): Likewise.
3406 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3408 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3410 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3411 calls within a libcall block to indicate no throws are possible.
3412 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3413 libcall blocks. Don't add edges to exception handlers if we see
3414 a REG_EH_REGION note with a value of 0.
3415 (make_edges): Override active_eh_region vector if the call has a note
3416 indicating the call does not throw.
3418 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3420 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3422 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3424 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3426 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3428 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3430 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3432 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3433 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3436 1999-01-18 Michael Meissner <meissner@cygnus.com>
3438 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3439 supported with -mcpu=xxx.
3440 (processor_type): Add PROCESSOR_PPC750.
3441 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3442 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3443 (rs6000_adjust_priority): Add declaration.
3445 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3446 processor type as 750, not 603. Allow -mmultiple and -mstring on
3447 little endian 750 systems.
3448 (rs6000_adjust_priority): Stub for now.
3449 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3451 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3453 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3455 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3457 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3458 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3460 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3463 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3465 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3467 * config/mips/mips.md (div_trap): Split div_trap_mips16
3469 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3471 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3473 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3474 Instead of writing to const char *buf directly, use a non-const
3475 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3477 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3480 * dyn-string.c (dyn_string_append): Likewise.
3482 * dyn-string.h (dyn_string_append): Likewise.
3484 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3486 * output.h (end_final, output_operand_lossage, asm_fprintf,
3487 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3490 * profile.c (init_branch_prob): Likewise.
3492 * toplev.c (set_target_switch, vmessage,
3493 v_message_with_file_and_line, v_message_with_decl,
3494 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3495 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3496 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3497 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3498 open_dump_file, dump_rtl, clean_dump_file,
3499 print_version, print_single_switch, print_switch_values,
3500 dump_base_name, debug_args, lang_independent_options,
3501 user_label_prefix, documented_lang_options, target_switches,
3502 target_options, print_time, pfatal_with_name, fatal_io_error,
3503 fatal_insn, default_print_error_function, print_error_function,
3504 report_error_function, error_with_file_and_line, error_with_decl,
3505 error_for_asm, error, fatal, warning_with_file_and_line,
3506 warning_with_decl, warning_for_asm, warning, pedwarn,
3507 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3508 really_sorry, botch, output_quoted_string, output_file_directive,
3509 open_dump_file, rest_of_decl_compilation, display_help, main):
3512 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3513 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3514 warning_with_file_and_line, error_with_file_and_line, sorry,
3515 really_sorry, default_print_error_function, report_error_function,
3516 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3517 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3518 output_file_directive, botch): Likewise.
3520 * tree.h (make_decl_rtl): Likewise.
3522 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3523 make_decl_rtl): Likewise.
3525 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3527 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3528 directory logically rather than physically.
3530 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3532 * loop.c (insert_bct): Hide the definition of variables
3533 `increment_direction', `compare_direction', `add_iteration' and
3536 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3537 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3538 (mode_independent_operand): Mark label `lose' with
3539 ATTRIBUTE_UNUSED_LABEL.
3541 * regclass.c (n_occurrences): Remove prototype and definition.
3543 * reload.c (find_reloads_address_1): Mark variable `tem' with
3546 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3548 * sbitmap.c (sbitmap_copy): Likewise.
3550 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3552 * toplev.c (output_lang_identify): Mark prototype with
3555 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3556 (make_tree_vec): Likewise.
3559 * varasm.c (assemble_static_space): Mark variable `tem' with
3562 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3564 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3565 (install-common): Use it.
3566 (uninstall): Use it.
3567 (uninstall): Use correct names for protoize and unprotoize.
3569 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3570 Jeffrey A Law (law@cygnus.com)
3572 * flow.c (last_mem_set): Delete variable. References removed.
3573 (mem_set_list): New variable.
3574 (life_analysis): Initialize and finalize alias analysis.
3575 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3576 (insn_dead_p): For a store to memory, search the entire mem_set_list
3578 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3579 changes to their addresses. Add new entries to the mem_set_list for
3580 memory writes writes.
3581 (mark_used_regs): Kill entries on the mem_set_list which may be
3582 referenced by a load operation.
3584 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3586 * alias.c (base_alias_check): Add missing return for differing
3589 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3591 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3592 missing local symbols.
3594 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3596 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3598 * system.h (bcopy): Implement with memmove not memcpy.
3600 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3602 * Makefile.in (cppulp.o): Add dependencies.
3604 * i386.md (integer conditional moves): Add missing earlyclobbers.
3606 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3607 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3608 where a register is live.
3610 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3612 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3613 of a FP conditional move is not on the FP register stack.
3615 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3617 * version.c: Bump for snapshot.
3619 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3621 * reload1.c (reload_cse_regs_1): Do not call
3622 reload_cse_simplify_operands for an insn with asm operands.
3624 * cccp.c (print_help): Fix typos.
3625 * cpplib.c (print_help): Fix typos.
3626 * toplev.c (f_optiosn): Fix typos.
3627 (documented_lang_options): Fix typos.
3629 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3631 * gcc.c: (do_spec_1): Fix obvious typo.
3633 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3635 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3636 a non-static function declaration follows a static one.
3638 * invoke.texi (-Wtraditional): Document the extra check now done
3641 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3643 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3644 needed without the addition.
3646 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3648 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3650 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3652 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3654 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
3656 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3657 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3658 non_add_cint_operand, non_logical_cint_operand): Likewise.
3659 (get_issue_rate): Add CPU_PPC604E case.
3660 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3662 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3664 * expr.c (queued_subexp_p): Make public.
3665 * expr.h (queued_subexp_p): Declare it.
3666 * recog.c (asm_operand_ok): New function.
3667 (check_asm_operands): Use it. After reload, use constrain_operands
3669 * recog.h (asm_operand_ok): Declare it.
3670 * stmt.c (expand_asm_operands): Use it to try harder to make
3671 asms initially satisfy their constraints.
3673 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3675 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3676 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3678 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3680 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3681 in delay slot of RPTBD.
3683 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3685 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3686 divide and modulo sign problem.
3688 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3690 * unroll.c (loop_iterations): Return 0 if the last loop insn
3691 is not a jump insn or if the loop has multiple back edges.
3693 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3695 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3696 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3698 * configure: Regenerate using autoconf.
3700 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3702 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3704 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3705 a register with another DEST_ADDR giv if the address is not valid.
3707 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3708 around the call to mcount.
3710 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3712 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3713 generating non-canonical rtl.
3715 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3717 * config/i960/i960.c (i960_output_move_double_zero,
3718 i960_output_move_quad_zero): New functions for moving zeros.
3719 (i960_output_move_double, i960_output_move_quad): Additional code
3720 for situation when moving unaligned register group.
3722 * config/i960/i960.h (i960_output_move_double_zero,
3723 i960_output_move_quad_zero): The function definitions.
3725 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3727 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3729 * config/i960/i960.c (i960_function_prologue): New code (optimal
3730 solution) for saving global registers in local registers.
3731 (form_reg_groups, reg_group_compare, split_reg_group): New
3732 functions used by the code.
3733 (reg_group): New structure definition for the new code.
3735 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3737 * fixinc/fixincl.c (create_file): Pass file creation mask as
3738 third parameter to "open". Use O_TRUNC flag to open instead of
3739 explicitly unlink'ing the file.
3740 (process): and forget about the "chmod" stuff.
3742 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3744 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3745 and substitute. Copy the return value from there into a new pseudo.
3747 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3749 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3750 before generating a call to abort for volatile functions.
3751 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3752 (TARGET_ABORT_NORETURN): Define.
3753 (abort-on-noreturn): New option.
3755 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3757 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3758 and binarycc operations in 3rd annulled delay slot!
3760 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3762 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3763 before generating a call to abort for volatile functions.
3764 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3765 (TARGET_ABORT_NORETURN): Define.
3766 (abort-on-noreturn): New option.
3768 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3770 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3771 Remove prototype which we get from libiberty.h.
3773 * collect2.c (xstrdup): Likewise.
3775 * genextract.c (xstrdup): Likewise for `copystr'.
3776 (mybzero): Remove it and use `memset' instead.
3778 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3779 to use `memcpy' and `memset' instead.
3781 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3782 changed. Remove prototype.
3783 (mybcopy, mybzero): Remove these and use memcpy/memset.
3785 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3787 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3788 generating code for TARGET_64BIT.
3790 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
3792 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3793 HOST_WIDE_INT word-size.
3794 (rs6000_stack_info): Remove redundant alignment of fpmem.
3796 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3798 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3799 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3800 (input_operand): Adjust CONSTANT_P_RTX handling.
3801 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3802 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3803 (movhi, movqi): Remove CONSANT_P_RTX handling.
3804 (movdi): Adjust CONSTANT_P_RTX handling.
3806 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3808 * configure: Regenerate using autoconf.
3810 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3811 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3812 (process): "fchmod" isn't available on all systems, use "chmod"
3814 * fixinc/server.c: Add #include <sys/types.h>.
3815 (STDIN_FILENO): Add default definition if no include file defines
3817 (STDOUT_FILENO): Likewise.
3819 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3821 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3823 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3825 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3826 ensure all prototypes necessary for building libio will be available.
3827 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3828 definitions here as they are not host specific.
3829 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3831 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3833 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3835 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3837 * version.c: Bump for snapshot.
3839 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3841 * rtl.c (rtx_alloc): Use memset instead of inline loop.
3843 * recog.h (recog_op_alt): Declare extern.
3845 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
3847 * function.c (purge_addressof_1): If the note accesses a mem+addressof
3848 in a wider mode than any replacement, adjust the cached replacement.
3849 Cache trivial substitutions as well.
3851 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
3853 * Makefile.in (OBJECTS): Add sbitmap.o.
3854 (BASIC_BLOCK_H): Add sbitmap.h.
3855 * basic-block.h: Move simple bitmap code to sbitmap.h.
3856 * flow.c: Move simple bitmap code to sbitmap.c
3857 * sbitmap.h, sbitmap.c: New files.
3859 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
3861 * alpha.h (TARGET_SWITCHES): Document switches.
3862 (TARGET_OPTIONS): Likewise.
3864 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
3866 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
3868 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
3870 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3872 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
3873 (basic_block_end): Rename to x_basic_block_end.
3874 (BLOCK_HEAD, BLOCK_END): Update.
3876 * caller-save.c: Change basic_block_head/end references to
3878 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
3879 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
3880 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
3882 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3884 * gcc.c (xstrerror): Renamed from my_strerror. All callers
3885 changed. Remove prototype since we get that from libiberty.h.
3887 * protoize.c (xstrerror): Likewise.
3889 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3891 * gcc.c (read_specs): Ensure format specifiers match their arguments.
3893 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
3895 * tree.c (copy_node): Oops. That would be copy not zero
3896 in that last change.
3898 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3900 * config/c4x/c4x.c: Include system.h.
3901 (c4x_caller_save_map): Disable caller save for RC.
3902 (c4x_optimization_options): Disable scheduling before reload.
3903 (valid_parallel_load_store) : Define return type as int.
3904 Remove unused variable regs.
3905 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3907 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3909 (*db, decrement_and_branch_until_zero): Fix up constraints
3910 to keep reload happy.
3912 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3914 * tree.c (make_node): Call bzero instead of inline clear.
3915 (copy_node, make_tree_vec, build1): Likewise.
3916 (get_identifier): Call strlen instead of inline count.
3917 (maybe_get_identifier): Likewise.
3919 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3921 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3922 operations in 3rd annulled delay slot.
3923 (*lshrqi3_const_set): Disallow c constraint for operand0.
3924 (modhi3+1, modhi3+2): Set attribute type to multi.
3925 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3928 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3930 * gansidecl.h: Allow attribute unused on labels only when we are
3931 version 2.93 or higher. Not all versions of 2.92 have this feature.
3933 * version.c: Bump minor number to 93.
3935 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3937 * config/m68k/m68k.h: Declare output_function_epilogue.
3938 * recog.h: Declare next_insn_tests_no_inequality.
3940 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3942 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3943 (expand_return): Use optimize_tail_recursion.
3944 * tree.h (optimize_tail_recursion): Declare.
3946 * toplev.c (compile_file): Move call to output_func_start_profiler
3947 to after the loop to emit deferred functions.
3949 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3951 * system.h (abort): Supply more detailed information on how to
3952 report an Internal Compiler Error.
3954 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
3956 * fixinc/fixincl.c (*): more decapitalization of variables
3957 plus some explanitory comments
3959 * fixinc/Makefile.in fixinc/mkfixinc.sh:
3960 When the fixincl program does not work for a certain system,
3961 we substitute a shell script. Added user commentary when
3964 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
3966 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
3967 allocate memory that will live beyond this function.
3968 (expand_call): Free it here.
3970 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
3972 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
3973 integer data not destined for fp regs.
3974 (LEGITIMIZE_RELOAD_ADDRESS): New.
3976 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
3977 Richard Henderson <rth@cygnus.com>
3979 Support for Hypersparc and Sparclite86x:
3980 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
3981 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
3982 (ASM_CPU32_DEFAULT_SPEC): Likewise.
3983 (TARGET_CPU_DEFAULT): Likewise.
3984 (enum processor_type): Likewise.
3985 (CPP_ENDIAN_SPEC): Handle little endian data.
3986 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
3987 (ADJUST_COST): Call sparc_adjust_cost.
3988 * sparc.c (sparc_override_options): Fix up for the new targets.
3989 (supersparc_adjust_cost): Make static.
3990 (hypersparc_adjust_cost): New.
3991 (ultrasparc_adjust_cost): Make static.
3992 (sparc_adjust_cost): New.
3993 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
3994 (function_unit): Add hypersparc scheduling rules.
3996 * configure.in (with_cpu handler): Recognize hypersparc.
3998 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4000 * config/c4x/c4x.c: Added space after negation operator.
4001 * config/c4x/c4x.h: Likewise.
4002 * config/c4x/c4x.md: Likewise.
4004 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4006 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
4008 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4010 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
4011 when a test can't be performed due to limited width of
4012 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
4013 Fix UDIV case for cases where the first operand has the highest bit
4016 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
4018 * pa.h (reg_class): Add FPUPPER_REGS.
4019 (REG_CLASS_NAMES): Similarly.
4020 (REG_CLASS_CONTENTS): Similarly
4021 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
4022 (FP_REG_CLASS_P): Likewise.
4023 (REG_CLASS_FROM_LETTER): Similarly.
4024 (CLASS_MAX_NREGS): Similarly.
4026 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
4028 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
4029 for a typedef of bool. Make sure to have a copy of the file is
4030 in place before we look to fix it. Fix typo in variable name to
4033 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
4035 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
4036 value_mode for the return mode.
4038 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
4040 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
4041 debugging as default.
4043 * config/tm-dwarf2.h: New file.
4045 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
4047 * h8300.h (ASM_OUTPUT_LABELREF): Define.
4049 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
4050 * local-alloc.c (update_equiv_regs): Corresponding changes.
4051 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
4053 * calls.c (special_function_p): Push alloca test inside the large
4054 conditional which excludes functions not at file scope or not
4057 * calls.c (special_function_p): New function broken out of
4059 (precompute_register_parameters): Likewise.
4060 (store_one_arg): Likewise.
4061 (store_unaligned_argumetns_into_pseudos): Likewise.
4062 (save_fixed_argument_area): Likewise.
4063 (restore_fixed_argument_area): Likewise.
4064 (expand_call): Corresponding changes.
4066 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4068 * config/c4x/c4x.md (addqi3): If the destination operand is
4069 a hard register other than an extended precision register,
4070 emit addqi3_noclobber.
4071 (*addqi3_noclobber_reload): New pattern added so that reload
4072 will recognise a store of a pseudo, equivalent to the sum
4073 of the frame pointer and a constant, as an add insn.
4075 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
4077 * fixinc/fixincl.c: Re-indent according to the GNU standards.
4078 fixinc/server.c: Likewise.
4079 fixinc/server.h: Likewise.
4081 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4083 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
4085 (const_sint32_operand): Likewise.
4087 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4089 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
4090 is a macro when deciding if we can use `jmp_buf' in prototypes.
4092 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
4094 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
4095 * configure: Rebuilt.
4096 * i386/xm-go32.h: Define LIBSTDCXX.
4098 * i386/go32.h (MD_EXEC_PREFIX): Define.
4099 (FILE_NAME_ABSOLUTE_P): Define.
4100 (LINK_COMMAND_SPEC): Define.
4102 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
4104 * expr.c (store_expr): If the lhs is a memory location pointed
4105 to be a postincremented (or postdecremented) pointer, always
4106 force the rhs to be evaluated into a pseudo.
4108 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
4110 * real.c (mtherr): Print more reasonable warning messages.
4112 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4114 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
4116 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
4117 (new_include_prefix): Constify char* parameters.
4119 * cppfiles.c (read_name_map): Likewise.
4120 (append_include_chain): Likewise. Also, use a writable char* copy
4121 of parameter `dir' which we then modify, rather than using the
4122 parameter itself to store the new writable string.
4123 (remap_filename): Constify some variables. Also, use a writable
4124 char* to store an allocated string which we will be modifying.
4126 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
4127 (cpp_start_read): Constify variable `str'.
4129 * cpplib.h (append_include_chain): Constify a char* parameter.
4131 * gcc.c Include prefix.h, don't prototype prefix.c functions.
4132 (add_prefix, save_string): Constify char* parameters.
4133 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4135 * prefix.c: Include prefix.h.
4136 (get_key_value, translate_name, save_string, update_path,
4137 set_std_prefix): Constify various char* parameters and variables.
4138 (save_string): Use xmalloc, not malloc.
4139 (translate_name): Use a writable temporary variable to create and
4140 modify a string before setting it to a const char*.
4142 * prefix.h: New file to prototype functions exported from prefix.c.
4144 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
4146 * fixinc/fixincl.c (various): added debug code so
4147 Manfred can trace the processing.
4149 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
4150 struct utsname on Ultrix V4.[35].
4152 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
4154 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4156 * cpplib.c (skip_if_group): Split out the logic that handles
4157 directive recognition to its own function. Don't use
4158 parse markers; use a bare pointer into the buffer. Use
4159 copy/skip_rest_of_line instead of doing it by hand. Remove
4160 `return on any directive' mode which was never used, and take
4162 (consider_directive_while_skipping): New function, subroutine
4163 of skip_if_group. Logic streamlined a bit.
4164 (conditional_skip, do_elif, do_else): Call skip_if_group with
4167 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
4169 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
4172 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
4174 * extend.texi (Bound member functions): Document.
4176 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4178 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
4179 lang_to_string, type_to_string): Make return type const char*.
4180 (print_symbol): Apply `const' keyword to a char*.
4181 (print_file_desc): Cast structure member `crfd' to ulong when
4182 comparing against one.
4184 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
4185 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
4186 (progname, input_name): Apply `const' keyword to a char*.
4187 Don't redundantly include sys/stat.h.
4188 (alloc_info): Apply `const' keyword to a char*.
4189 (st_to_string, sc_to_string): Likewise.
4190 (hash_string): Cast variable `hash_string' to a symint_t when
4191 comparing against one.
4192 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
4193 Likewise cast it to long when comparing against one.
4194 (add_local_symbol): Apply `const' keyword to a char*.
4195 (add_ext_symbol): Likewise.
4196 (add_unknown_tag): Likewise.
4197 (add_procedure): Cast a printf-style field width to an int.
4198 (add_file): Cast PAGE_USIZE to long when comparing against one
4199 (parse_begin): Cast a printf-style field width to an int.
4200 (parse_bend): Likewise.
4201 (parse_def): Likewise.
4202 (parse_end): Likewise.
4203 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
4204 (parse_stabs_common): Fix format specifier.
4205 (parse_input): Change type of variable `i' to Size_t.
4206 (write_object): Fix arguments to match format specifiers.
4207 Cast variable `num_write' to long when comparing against one.
4208 (read_seek): Cast variable `sys_read' to symint_t when comparing
4209 against one. Fix arguments to match format specifiers. Cast
4210 variable `size' to long when comparing against one.
4211 (copy_object): Cast result of `sizeof' to int when comparing
4212 against one. Fix arguments to match format specifiers. Cast
4213 variable `ifd' to long when comparing against a signed value.
4216 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4218 * c-common.c (decl_attributes): Allow applying attribute `unused'
4221 * c-parse.in (label): Parse attributes after a label, and call
4222 `decl_attributes' to handle them.
4224 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
4226 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
4227 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
4229 * invoke.texi: Note that labels can be marked `unused'.
4231 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
4233 * version.c: Bump for snapshot.
4235 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
4237 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
4238 RTL for a compare/jump sequence.
4240 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4242 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
4243 for a target with HAVE_cc0 defined.
4244 (emit_cmp_and_jump_insns): New function.
4245 * expr.h (emit_cmp_and_jump_insns): Prototype it.
4246 * loop.c (check_dbra_loop): Use it to replace calls
4247 to emit_cmp_insn and emit_jump_insn and to canonicalise
4248 the comparison if necessary.
4249 * unroll.c (unroll_loop): Likewise.
4251 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4253 * fixincludes (sys/utsname.h): Provide forward declaration of
4254 struct utsname on Ultrix V4.[35].
4256 * mips.md (div_trap): Use local labels instead of dot-relative
4259 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
4261 * pa.md (branch, negated branch): Handle (const_int 0) as first
4263 * pa.c (output_cbranch): Likewise.
4265 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
4267 * rs6000.c (rs6000_stack_info): Undo spurious part of last
4270 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
4272 * extend.texi (__builtin_constant_p): Add missing @smallexample.
4274 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
4276 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
4278 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
4280 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
4281 (adddi_dishl32): Similarly.
4283 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
4284 for each insn in the skipped block.
4286 * reload1.c (reload_as_needed): Verify that the insn satisfies its
4287 constraints after replacing a register address with an autoincrement
4288 address for reload inheritance purposes.
4290 * i386.md (doubleword shifts): Avoid namespace pollution.
4292 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
4294 * configure.in (FreeBSD ELF): Needs special crt files.
4296 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
4298 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
4300 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4302 * loop.c (check_dbra_loop): While reversing the loop, if the
4303 comparison value has a VOID mode use the mode of the other operand
4304 to compute the mask.
4306 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
4308 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
4309 avoid warnings in compiling explow.c.
4311 (patch from Ken Raeburn, raeburn@cygnus.com)
4312 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
4313 fpmem_offset. Compute total size after that, and then
4314 rs6000_fpmem_offset using both values.
4316 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4318 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
4319 the future; indeed that already happens in some cases.
4321 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
4323 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
4324 (arith_operand): Remove constant_p_rtx handling.
4325 (const64_operand, const64_high_operand): Likewise.
4326 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
4327 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
4328 (small_int_or_double, uns_small_int, zero_operand): Likewise.
4329 * sparc.h (PREDICATE_CODES): Likewise.
4331 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
4333 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
4335 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
4336 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
4337 consider constant CONSTRUCTOR constant and to defer some cases
4339 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
4340 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
4342 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4344 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4345 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4347 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4348 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4349 (sext_add_operand, and_operand, or_operand): Likewise.
4350 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4351 * alpha.h (PREDICATE_CODES): Likewise.
4353 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4355 * version.c: Bump for snapshot.
4357 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4359 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4360 of dangerous casts and stores.
4362 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4364 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4366 * alpha.md (builtin_longjmp): Add missing "DONE".
4368 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4370 * gcc.c (execute): Enable -pipe with win32.
4372 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4374 * config/arm/t-arm-elf: Add multiplib option for leading
4377 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4378 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4380 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4381 than variable 'reload_address_base_reg_class'. [Note this
4382 change is unrelated to the others in this patch].
4384 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4387 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4389 * alias.c (record_alias_subset): Remove ignored `&'.
4390 (init_alias_once): Likewise.
4392 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4394 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4395 fwrite to `int' when comparing against one.
4397 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4398 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4400 * cse.c (rehash_using_reg): Change type of variable `i' to
4403 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4404 assigning it to one.
4406 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4408 * final.c (final_scan_insn): Likewise for variable `i'.
4409 (output_asm_insn): Cast a char to unsigned char when used as an
4412 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4413 assigning it to one.
4415 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4417 * recog.c (preprocess_constraints): Cast a char to unsigned char
4418 when used as an array index.
4420 * regmove.c (find_matches): Likewise.
4422 * reload1.c (calculate_needs): Add default case in switch.
4423 (eliminate_regs_in_insn): Initialize variable `offset'.
4424 (set_offsets_for_label): Change type of variable `i' to unsigned.
4425 (reload_as_needed): Wrap variable `i' in macro check on
4426 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4428 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4429 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4430 when comparing against one.
4432 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4433 unsigned when comparing against one. Likewise for
4434 GET_MODE_ALIGNMENT().
4435 (layout_record): Cast record_align to int when comparing against a
4437 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4440 * tree.c (get_identifier): Cast variable `len' to unsigned when
4441 comparing against one.
4442 (maybe_get_identifier): Likewise
4444 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4446 * toplev.c (rest_of_compilation): Do not set reload_completed.
4447 * reload1.c (reload): Set reload_completed before calling
4448 cleanup_subreg_operands.
4450 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4452 * reload1.c (emit_reload_insns): Check `set' not null before use.
4454 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4456 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4459 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4461 * halfpic.c (half_pic_encode): Delete redundant code.
4463 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4465 * toplev.c (main): Delete handling of -dM as a preprocessor
4468 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4470 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4471 -dI, which are handled by the preprocessor.
4473 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4475 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4476 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4478 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4480 * version.c: Bump for snapshot.
4482 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4484 * version.c: Bump for snapshot.
4486 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4488 * version.c: Bump for snapshot.
4490 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4494 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4495 write_unit_name, write_eligible_delay, expand_units,
4496 make_length_attrs, write_attr_case, find_attr,
4497 make_internal_attr): Likewise.
4498 * gencheck.c (tree_codes): Likewise.
4499 * gencodes.c (fatal): Likewise.
4500 * genconfig.c (fatal): Likewise.
4501 * genemit.c (fatal): Likewise.
4502 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4503 * genflags.c (fatal): Likewise.
4504 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4505 * genoutput.c (fatal, error, predicates): Likewise.
4506 * genpeep.c (fatal): Likewise.
4507 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4508 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4510 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4512 * configure.in (with-fast-fixincludes): Fix whitespace.
4513 * configure: Rebuilt.
4515 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4516 asm() etc. function declarations in __DECC.
4518 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4520 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4521 is a pseudo register.
4523 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4525 * gcse.c: Include expr.h in order to get the prototype for
4526 get_condition() which is used in delete_null_pointer_checks().
4528 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4530 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4532 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4534 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4535 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4537 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4539 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4542 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4544 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4545 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4546 optimizations from the combiner.
4548 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4550 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4552 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4554 * toplev.c (main): Disable optimize_size if a specific
4555 optimization level is requested. Always set optimization
4556 level to 2 if -Os is specified.
4558 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4560 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4562 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4563 initialize it using fname.
4565 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4567 * cpplib.c (do_include): Treat #include_next in the
4568 primary source file as #include plus warning. Treat
4569 #include_next in a file included by absolute path as an
4570 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4572 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4574 * cccp.c: Don't define MIN/MAX anymore.
4575 * cpplib.c: Likewise.
4576 * machmode.h: Likewise.
4577 * system.h: Provide definitions for MIN/MAX.
4579 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4581 * fix-header.c: Don't define xstrdup here.
4583 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4585 * loop.c (consec_sets_giv): New argument last_consec_insn.
4586 (strength_reduce): Provide / use it.
4588 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4590 * loop.h (loop_info): New field 'vtop'.
4591 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4592 scanning loop for vtop.
4593 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4594 (loop_iterations): Use them to determine if loop has a constant
4595 number of iterations. Set loop_info->vtop. Don't subtract
4596 common reg term from initial_value and final_value if have a
4599 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4601 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4603 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4605 * mn10200.md (abssf2, negsf2): New expanders.
4607 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4609 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4611 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4612 replaced by a CONCAT whoes components do not have the same
4613 mode as the original SUBREG, use a new SUBREG to restore the
4616 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4617 multiword complex values.
4619 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4621 * cppalloc.c: Add xstrdup here.
4622 * cpplib.h: Remove savestring prototype.
4623 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4625 * cppfiles.c: s/savestring/xstrdup/ throughout.
4627 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4629 * cpplib.c: Make all directive handlers read their own
4631 (struct directive): Remove last two arguments from FUNC
4632 member prototype. Remove `command_reads_line' member
4634 (directive_table): Remove initializations of
4635 command_reads_line flag. Pretty-print.
4636 (eval_if_expression, do_define, do_line, do_include,
4637 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4638 do_else, do_elif, do_sccs, do_assert, do_unassert,
4639 do_warning): Take only two args.
4641 (cpp_define): Call do_define with two args and the text to
4642 define stuffed into a buffer.
4643 (make_assertion): Call do_assert with two args.
4644 (handle_directive): Call do_line with two args. Call
4645 kt->func with two args. Remove command_reads_line
4647 (do_define, do_undef, do_error, do_warning, do_pragma,
4648 do_sccs): Read the rest of the line here.
4649 (do_ident): Gobble rest of line, as cccp does.
4650 (cpp_undef): New function.
4651 (cpp_start_read): Call cpp_undef instead of do_undef.
4653 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4655 * cpphash.h (union hash_value): Remove `keydef' member, add a
4656 `struct hashnode *aschain' member for #assert.
4658 * cpplib.c (struct tokenlist_list, struct
4659 assertion_hashnode): Delete structure definitions.
4660 (assertion_install, assertion_lookup, delete_assertion,
4661 check_assertion, compare_token_lists, reverse_token_list,
4662 read_token_list, free_token_list): Delete functions.
4663 (parse_assertion): New function.
4664 (cpp_cleanup): Don't destroy the assertion_hashtable.
4666 (do_assert): Gut and rewrite. #assert foo (bar) places
4667 entries for `#foo' and `#foo(bar)' in the macro hash table,
4668 type T_ASSERT. The value union's `aschain' member is used
4669 to chain all answers for a given predicate together.
4670 (do_unassert): Also rewritten. Take an un-asserted
4671 answer off the chain from its predicate and call
4672 delete_macro on the hashnode, or walk a predicate chain
4673 calling delete_macro on all the entries.
4674 (cpp_read_check_assertion): Simply call parse_assertion to
4675 get the canonical assertion name, and look that up in the
4678 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4681 * cpphash.c (install): Use bcopy instead of an explicit loop
4682 to copy the macro name.
4684 * cppexp.c (cpp_lex): Convert the result of
4685 cpp_read_check_assertion to a `struct operation' directly;
4686 don't go through parse_number.
4688 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4690 * loop.h (struct induction): Delete times_used member.
4691 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4692 (n_times_used): Rename to n_times_set. Changed all users.
4693 (scan_loop): Free reg_single_usage before strength reduction.
4694 (record_giv, combine_givs): Remove handling of times_used member.
4695 (combine_givs_used_once): Rename to:
4696 (combine_givs_used_by_other) . Changed all callers.
4698 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4700 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4701 instead of TREE_CODE_CLASS == 't'.
4702 (gen_type_die): Likewise.
4703 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4705 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4707 * real.c (endian): Disable last change unless
4708 HOST_BITS_PER_WIDE_INT is greater than 32.
4710 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4712 * output.h (force_data_section): New prototype.
4713 * varasm.c (force_data_section): New function to force the
4714 data section, regardless of what in_section thinks.
4715 * dwarf2out.c (output_call_frame_info): Call force_data_section
4716 since varasm may not realize we've changes sections.
4718 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4720 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4721 after completeing reload.
4723 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4724 deleted after reload.
4726 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4728 * rtl.h (multiple_sets): Fix prototype.
4729 * rtlanal.c (multiple_sets): Fix return type.
4731 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4733 * version.c: Bump for snapshot.
4735 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4737 * version.c: Bump for snapshot.
4739 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4741 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4743 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4745 * rtl.h (recompute_reg_usage): Add second argument.
4746 * flow.c (recompute_reg_usage): Likewise.
4747 * toplev.c (rest_of_compilation): Supply second argument to
4748 recompute_reg_usage.
4750 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4753 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4755 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4756 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4757 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4760 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4762 * rtlanal.c (multiple_sets): New function.
4763 * rtl.h (multiple_sets): Declare it.
4764 * local-alloc.c (wipe_dead_reg): Use it.
4765 * global.c (global_conflicts): Likewise.
4767 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4769 * global.c (record_conflicts): Don't use an array of shorts to
4770 store an array of ints.
4771 (global_conflicts): Likewise.
4773 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4775 * alpha.c (alpha_expand_block_move): mode_for_size expects
4776 bits, not bytes. Infer extra alignment from addressof.
4778 1998-12-11 Michael Meissner <meissner@cygnus.com>
4780 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4781 .sbss section, not .sdata.
4783 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4785 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4787 * collect2.c: Likewise.
4788 * cpplib.h: Likewise.
4791 * getpwd.c: Likewise.
4792 * protoize.c: Likewise.
4793 * toplev.c: Likewise.
4795 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4796 and don't try to define it here.
4797 * Makefile.in (cppmain.o): Depend on machmode.h.
4798 (cpplib.o): Likewise.
4799 (cpperror.o): Likewise.
4800 (cppexp.o): Likewise.
4801 (cppfiles.o): Likewise.
4802 (cpphash.o): Likewise.
4803 (cppalloc.o): Likewise.
4804 (fix-header.o): Likewise.
4805 (scan-decls.o): Likewise.
4807 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4809 * sh.c (print_operand): lookup interrupt_handler attribute instead
4810 of relying on static variable.
4811 * (calc_live_regs): Likewise.
4812 * (sh_pragma_insert_attributes): Create interrupt_handler
4813 attribute if a pragma was specified
4814 * (sh_valid_machine_decl_attribute): Don't set static flag.
4815 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4817 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4819 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4820 to determine if a register is live at a jump destination.
4821 Everything is dead at a BARRIER.
4823 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4825 * cse.c (simplify_unary_operation): Sign-extend constants when
4826 they have the most significant bit set for the target.
4827 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4829 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4830 HOST_WIDE_INT temporary before negating it.
4831 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4833 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4835 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4838 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4840 * collect2.h: New header file for prototypes.
4842 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
4844 * collect2.c: Include collect2.h.
4845 * tlink.c: Likewise.
4847 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
4849 * flow.c: Update some comments.
4851 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
4853 * objc/objc-act.c (cpp_initialized): Removed.
4854 (lang_init_options): Initialize cpplib.
4855 (lang_decode_option): Move initialization of cpplib to
4857 * c-lang.c: (parse_options,parse_in): Added.
4858 (lang_init_options): Initialized cpplib here.
4859 * c-decl.c (parse_options,cpp_initialized): Removed.
4860 (c_decode_option): Move initialization of cpplib to
4863 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4865 * reload1.c (reload_combine, reload_combine_note_store):
4866 Make STORE_RUID always valid.
4867 (reload_combine): Check if BASE is clobbered too early.
4869 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
4871 * reload.c (find_reloads): Display the insn that cannot be
4874 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
4876 * cccp.c (create_definition): Fix end of bufer logic.
4878 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4880 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
4881 pointer parameters changed to use the PARAMS() macro.
4883 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4885 * except.h (struct handler_info): Add handler_number field.
4886 * except.c (gen_exception_label): EH labels no longer need to be
4887 on the permanent obstack.
4888 (get_new_handler): Set the label number field.
4889 (output_exception_table_entry): Regenerate handler label reference
4890 from the label number field.
4891 (init_eh): Remove a blank line.
4892 * integrate.c (get_label_from_map): Labels no longer need to be
4893 on the permanent obstack.
4895 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
4897 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
4898 only when OUTER_CODE is SET.
4900 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4902 * loop.c (strength_reduce): If scan_start points to the loop exit
4903 test, be wary of subversive use of gotos inside expression statements.
4904 Don't set maybe_multiple for a backward jump that does not
4905 include the label under consideration into its range.
4906 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
4908 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4910 * explow.c (plus_constant_wide): Don't immediately return with
4911 result of recursive call.
4913 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4915 * eh-common.h (struct eh_context): Add table_index for rethrows.
4917 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
4918 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
4919 processed when inlined or unrolled (ie duplicated in some way).
4921 * rtl.c (reg_note_name): Add strings for new reg_note enums.
4923 * expr.h (rethrow_libfunc): New library decl.
4925 * optabs.c (rethrow_libfunc): Initialize.
4927 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4928 (new_eh_region_entry): No longer exported from except.c.
4929 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4930 different prototype.
4931 (rethrow_symbol_map, rethrow_used): New exported functions.
4932 (eh_region_from_symbol): New exported function.
4934 * except.c (create_rethrow_ref): New function to create a single
4935 SYMBOL_REF for a rethrow region.
4936 (push_eh_entry): Initialize a rethrow ref.
4937 (func_eh_entry): Add a rethrow_label field.
4938 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4939 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4940 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4941 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4942 a region into an appropriate new symbol.
4943 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4944 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4945 (end_catch_handler): Emit a barrier for new-exceptions since
4946 control can never drop through the end of a catch block.
4947 (expand_end_all_catch): new-exceptions never fall through a catch
4949 (expand_rethrow): use __rethrow routine for new exceptions.
4950 (output_exception_table_entry): Generate rethrow labels, if needed.
4951 (output_exception_table): Generate start and end rethrow labels.
4952 (init_eh): Create rethrow symbols for beginning and end of table.
4953 (scan_region): Don't eliminate EH regions which are the targets of
4956 * flow.c (make_edges): Add different edges for rethrow calls,
4957 identified by having the REG_EH_RETHROW reg label.
4958 (delete_unreachable_blocks): Don't delete regions markers which are
4959 the target of a rethrow.
4961 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
4962 allow save_for_inline_copying to call duplicate_eh_handlers.
4963 (save_for_inline_copying): Call duplicate_eh_handlers instead of
4964 exposing internal details of exception regions.
4965 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
4966 (expand_inline_function_eh_labelmap): New callback routine to
4967 allow expand_inline_function to call duplicate_eh_handlers.
4968 (expand_inline_function): Call duplicate_eh_handlers instead of
4969 exposing internal details of exception regions.
4970 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
4973 * libgcc2.c (find_exception_handler): Generalize to enable it to
4974 pick up processing where it left off last time for a rethrow.
4975 (__unwinding_cleanup): New function. debug hook which is called before
4976 unwinding when __throw finds there is nothing but cleanups left.
4977 (throw_helper): Common parts of __throw extracted out for reuse.
4978 (__throw): Common parts moved to throw_helper.
4979 (__rethrow): New function for performing rethrows.
4981 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
4983 * reload1.c (current_function_decl): Tweak declaration.
4985 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
4987 * c-decl.c (flag_isoc9x): Default off.
4988 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
4989 * cccp.c (print_help, main): Likewise.
4990 * gcc.c (default_compilers): Update for -std=gnu*.
4992 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
4994 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
4995 * demangle.h: Deleted.
4997 * reload1.c (current_function_decl): Declare.
4999 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5001 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
5003 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5005 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
5007 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
5009 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
5011 * configure: Rebuilt.
5012 * system.h: If the *_unlocked functions are available use them
5013 instead of the locked counterparts by defining macros.
5014 * config.in: Regenerated.
5016 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
5018 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
5019 wrong and should only be used for dump related things, not
5020 debugging information, instead main_input_filename should be used.
5021 Also, reuse output_file_directive if possible.
5022 * i386/aix386ng.h (ASM_FILE_START): Likewise.
5023 * i386/isc.h (ASM_FILE_START): Likewise.
5024 * i386/win-nt.h (ASM_FILE_START): Likewise.
5025 * i386/sun386.h (ASM_FILE_START): Likewise.
5027 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
5029 * configure.in (mips*-*-linux*): Handle big and little endian
5031 * configure: Rebuilt.
5033 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
5035 * emit-rtl.c: Fix typo.
5037 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
5039 * reload1.c (eliminate_regs): Don't do anything, if we're not
5042 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
5044 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
5046 * mips/mips.c (mips_select_section): Add comment.
5048 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
5050 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
5051 characters in file names in #line to be consistent with #include
5052 handling. We support escape prcessing in the # 1 "..." version of
5053 the command. See also support in cp/lex.c.
5054 (handle_directive): Likewise.
5055 (do_line): Likewise.
5057 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5059 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
5060 so it'll work on non-ASCII platforms. Always consider $ an
5061 identifier character. Take no arguments.
5062 (cpp_reader_init): Call initialize_char_syntax with no
5064 (cpp_start_read): Don't call initialize_char_syntax again.
5065 Clear is_idchar['$'] and is_idstart['$'] if not
5066 opts->dollars_in_ident.
5068 * cpplib.h (struct cpp_reader): Replace void *data element by
5069 cpp_options *opts. Rearrange elements to make gdb printout
5070 less annoying (put buffer stack at end).
5071 (CPP_OPTIONS): Get rid of now-unnecessary cast.
5073 * cppmain.c: s/data/opts/ when initializing cpp_reader
5075 * c-decl.c: Likewise.
5076 * objc/objc-act.c: Likewise.
5077 * fix-header.c: Likewise.
5079 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
5081 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
5082 with a struct file_name_list pointer.
5083 (struct cpp_reader): Add pointer to chain of `actual
5084 directory' include searchpath entries.
5085 (struct file_name_list): Add *alloc pointer for the sake of
5086 the actual-directory chain.
5088 Move definition of HOST_WIDE_INT here.
5089 (cpp_parse_escape): Change prototype to match changes in
5092 * cppfiles.c (actual_directory): New function.
5093 (finclude): Use it to initialize the buffer's actual_dir
5095 (find_include_file): We don't need to fix up max_include_len
5098 * cpplib.c (do_include): Don't allocate a file_name_list on
5099 the fly for current directory "" includes, use the one that's
5100 been preallocated in pfile->buffer->actual_dir. Hoist out
5101 duplicate code from the search_start selection logic.
5102 (cpp_reader_init): Initialize pfile->actual_dirs.
5104 Remove definition of HOST_WIDE_INT. Change calls
5105 to cpp_parse_escape to match changes in cppexp.c (note
5106 hardcoded MASK, which is safe since this is the source
5109 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
5110 to handle wide character constants in #if directives. The
5111 function now returns a HOST_WIDE_INT, and takes a third
5112 argument which is a binary mask for all legal values (0x00ff
5113 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
5114 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
5115 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
5117 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
5119 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
5121 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5123 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
5124 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
5125 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
5127 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
5129 * final.c (output_asm_name): Use tabs to seperate comments from
5132 Include instruction lengths (if defined) in output.
5134 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5136 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
5137 in the loop_info structure.
5139 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
5141 * configure.in: (arm*-*-ecos-elf): New target.
5142 * configure: Regenerated.
5143 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
5144 * config/arm/ecos-elf.h: New file.
5145 * config/arm/unknown-elf.h (TARGET_VERSION): Check
5148 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5150 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
5152 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
5154 * version.c: Bump for snapshot.
5156 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5158 * loop.c (check_dbra_loop): New argument loop_info. Update fields
5161 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
5163 * version.c: Bump for snapshot.
5165 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5167 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
5168 compressed reports are ok and preferred over URLs
5170 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5172 * invoke.texi (Warning Options): Soften the tone of -pedantic
5174 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
5176 * print-rtl.c (print_rtx): Add prototype.
5178 * unroll.c (iteration_info): Make it static.
5180 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
5182 * alias.c (memrefs_conflict_p): A second ANDed address
5183 disables the aligned address optimization.
5185 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
5187 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
5190 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
5192 * i960.h (BOOL_TYPE_SIZE): Define.
5194 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5196 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
5197 from old valid_parallel_operands_4.
5198 (valid_parallel_operands_4): Check that operands for 4 operand
5199 parallel insns are valid, excluding load/store insns.
5200 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
5201 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
5202 valid_parallel_load_store instead of valid_parallel_operands_4.
5203 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
5204 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
5205 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
5206 *notqi_movqi_clobber): Use valid_parallel_operands_4.
5207 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
5208 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
5209 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
5211 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5213 * config/c4x/c4x.c (iteration_info): Delete extern.
5215 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5217 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
5219 * final.c (cleanup_subreg_operands): Delete some unused code.
5221 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
5222 (struct insn_alternative): New structure definition.
5223 (recog_op_alt): Declare variable.
5224 (preprocess_constraints): Declare function.
5225 * recog.c (recog_op_alt): New variable.
5226 (extract_insn): Verify number of alternatives is in range.
5227 (preprocess_constraints): New function.
5228 * reg-stack.c: Include recog.h.
5229 (constrain_asm_operands): Delete.
5230 (get_asm_operand_lengths): Delete.
5231 (get_asm_operand_n_inputs): New function.
5232 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
5233 N_OUTPUTS args. All callers changed.
5234 Compute number of inputs and outputs here by calling
5235 get_asm_operand_n_inputs.
5236 Instead of constrain_asm_operands, call extract_insn,
5237 constrain_operands and preprocess_constaints. Use information
5238 computed by these functions throughout.
5239 (record_reg_life): Delete code that is unused due to changes in
5240 record_asm_reg_life.
5241 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
5242 N_INPUTS and N_OUTPUTS args. All callers changed.
5243 Similar changes as in record_asm_reg_life.
5244 (subst_stack_regs): Move n_operands declaration into the if statement
5246 Delete code that is unused due to changes in subst_asm_stack_regs.
5247 * stmt.c (expand_asm_operands): Verify number of alternatives is in
5249 * Makefile.in (reg-stack.o): Depend on recog.h.
5251 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
5253 * except.c (set_exception_version_code): Argument is an "int".
5255 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
5257 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
5258 * configure: Rebuilt.
5260 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
5262 * configure.in (mipsel-*-linux*): New target.
5263 * mips/linux.h: New file, based on other Linux targets.
5265 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
5267 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
5268 runs in the context of the deleter, not the deletee, so we must
5269 use taskVarGet to find the correct memory to free.
5270 (__gthread_key_create): Initialize the task
5271 variable subsystem so that the task variable is still active when
5272 the delete hook is run.
5274 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
5276 * pdp11.h: Use optimize_size for space optimizations.
5277 * pdp11.c: Likewise.
5278 * pdp11.md: Likewise.
5280 * pdp11.h (TARGET_40_PLUS): Fix typo.
5282 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
5284 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
5287 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5289 * alias.c (addr_side_effect_eval): New function.
5290 (memrefs_conflict_p): Use it.
5291 * rtl.h (addr_side_effect_eval): Prototype it.
5293 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
5295 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
5297 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
5299 * reload.c (find_reloads): When force const to memory, put result
5300 in substed_operand not *recog_operand_loc.
5302 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
5304 * c-lex.c: Fix indentation from last patch.
5305 Remove trailing whitespace.
5308 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
5310 * flow.c (delete_block): Call set_last_insn after we have reset
5311 NEXT_INSN (kept_tail).
5313 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
5315 * mips.md (trap_if): Use "$0" for the value zero.
5317 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
5318 Stephen L Moshier <moshier@world.std.com>
5319 Richard Henderson <rth@cygnus.com>
5321 * c-common.c (declare_function_name): Declare predefinied variable
5324 * c-decl.c (flag_isoc9x): Set to 1 by default.
5325 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
5326 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
5328 * c-parse.in: Allow constructors in ISO C 9x.
5329 Rewrite designator list handling.
5330 Allow [*] parameters.
5331 Don't warn about comma at end of enum definition for ISO C 9x.
5333 * cccp.c (c9x): New variable.
5334 (rest_extension): New variable.
5335 (print_help): Document new -std= option.
5336 (main): Recognize -std= option. Set c9x appropriately.
5337 (create_definition): Recognize ISO C 9x vararg macros.
5339 * gcc.c (default_compilers): Adjust specs for -std options.
5340 (option_map): Add --std.
5341 (display_help): Document -std.
5343 * toplev.c (documented_lang_options): Add -std and remove
5346 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5347 or REAL_VALUE_HTOF based on base of the constants.
5348 * fold-const.c (real_hex_to_f): New function. Replacement function
5349 for hex FP conversion if REAL_ARITHMETIC is not defined.
5350 * real.c (asctoeg): Add handling of hex FP constants.
5351 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5354 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5356 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5357 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5358 expansion. Use hi/lo as destination register.
5360 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5361 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5362 Avoid as macro expansion. Use hi/lo as destination register.
5364 * mips.h (MASK_CHECK_RANGE_DIV): New.
5365 (MASK_NO_CHECK_ZERO_DIV): New.
5366 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5367 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5368 return address for leaf functions out of r31 to support
5369 builtin_return_address.
5371 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5373 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5374 NEXT_INSN(x) to check insn x.
5376 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5378 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5379 last insn in the rtl chain.
5381 * reload1.c (reload): Do not set reload_completed or split insns
5383 * toplev.c (rest_of_compilation): Set reload_completed after
5384 reload returns. Split insns after reload_cse has run.
5386 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5388 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5390 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5392 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5394 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5396 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5397 use of user-label_prefix.
5399 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5401 * reload1.c (emit_reload_insns): Clear spill_reg_store
5402 when doing a new non-inherited reload from the same pseudo.
5404 * local-alloc.c (function_invariant_p): New function.
5405 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5406 to decide if an equivalence should be recorded.
5407 * reload1.c (num_eliminable_invariants): New static variable.
5408 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5409 to decide if an equivalence should be recorded.
5411 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5412 Take num_eliminable_invariants into account when deciding
5413 if register elimination should be done.
5414 (reload_as_needed): Take num_eliminable_invariants into account
5415 when deciding if register elimination should be done.
5416 (eliminate_regs): Handle non-constant reg_equiv_constant.
5417 * rtl.h (function_invariant_p): Declare.
5419 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5421 * version.c: Bump for snapshot.
5423 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5425 * version.c: Bump for snapshot.
5427 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5429 * except.c (add_new_handler): Complain about additional handlers
5430 after one that catches everything.
5432 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5434 * configure.in (alpha*-*-netbsd): Fix typo.
5435 * configure: Rebuilt.
5437 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5439 * system.h: Include libiberty.h.
5441 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5442 function `concat' from fixed parameters to variable parameters,
5443 as is done in libiberty. All callers of concat/concat3
5444 changed to use the new `concat' with variable args.
5446 * cccp.c: Remove things made redundant by libiberty.h and/or
5447 conform to libiberty standards.
5449 * collect2.c: Likewise.
5450 * config/1750a/1750a.h: Likewise.
5451 * cppalloc.c: Likewise.
5452 * cppexp.c: Likewise.
5453 * cppfiles.c: Likewise.
5454 * cpphash.c: Likewise.
5455 * cpplib.c: Likewise.
5456 * dyn-string.c: Likewise.
5457 * fix-header.c: Likewise.
5460 * genattr.c: Likewise.
5461 * genattrtab.c: Likewise.
5462 * gencheck.c: Likewise.
5463 * gencodes.c: Likewise.
5464 * genconfig.c: Likewise.
5465 * genemit.c: Likewise.
5466 * genextract.c: Likewise.
5467 * genflags.c: Likewise.
5468 * gengenrtl.c: Likewise.
5469 * genopinit.c: Likewise.
5470 * genoutput.c: Likewise.
5471 * genpeep.c: Likewise.
5472 * genrecog.c: Likewise.
5473 * getpwd.c: Likewise.
5474 * halfpic.c: Likewise.
5476 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5477 in NEED_DECLARATION_* macros.
5479 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5480 conform to libiberty standards.
5481 (fatal): Fix const-ification of variable `format' in
5482 !ANSI_PROTOTYPES case.
5484 * prefix.c: Remove things made redundant by libiberty.h and/or
5485 conform to libiberty standards.
5487 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5488 conflicting with function `spaces' from libiberty.
5490 * profile.c: Remove things made redundant by libiberty.h and/or
5491 conform to libiberty standards.
5492 * protoize.c: Likewise.
5495 * tlink.c: Likewise.
5496 * toplev.c: Likewise.
5497 * toplev.h: Likewise.
5500 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5502 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5504 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5506 * README.C4X: Updated URLs.
5507 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5508 (valid_parallel_operands_5): Remove unused variable.
5510 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5512 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5514 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5516 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5517 which can be configured.
5518 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5519 (Makefile): Pass actual LANGUAGES through the environment when
5521 (cstamp-h): Likewise.
5522 (config.status): Likewise.
5524 * configure.in (enable_languages): Add new configuration parameter
5525 "--enable-languages=lang1,lang2,...".
5526 (${srcdir}/*/config-lang.in): Change handling to configure only
5527 those directories, that the user might have enabled; default to
5528 "all" existing languages.
5529 * configure: Regenerate.
5531 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5533 * rtlanal.c (regs_set_between_p): New function.
5534 * rtl.h (regs_set_between_p): Prototype it.
5535 * jump.c (jump_optimize): Use it instead of modified_between_p
5536 in the Sep 2 change.
5538 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5539 Matthias Pfaller <leo@dachau.marco.de>
5541 * invoke.texi (Option Summary, NS32K Options): add description
5542 of NS32K specific options.
5544 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5545 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5546 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5547 negdf2, absdf2): Use l instead of f since the double class and
5548 float class are no longer the same.
5549 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5550 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5551 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5552 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5554 (cmpsi, cmphi, cmpqi): use general_operand instead of
5555 non_immediate_operand. Removes erroneous assumption that can't
5557 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5558 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5560 (movstrsi, movstrsi1, movstrsi2): completely new block move
5562 (...): Patterns to exploit multiply-add instructions.
5563 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5564 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5565 patterns to exploit extended divide insns.
5566 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5569 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5570 float return values as well as simple scalar floats.
5571 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5572 support new flag to denote 32381 fpu.
5573 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5574 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5576 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5577 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5578 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5579 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5580 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5581 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5582 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5583 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5584 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5585 fpu registers and special register classes for new 32381
5586 instructions dotf and polyf.
5587 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5589 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5590 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5592 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5593 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5594 (REGISTER_MOVE_COST): move code to register_move_cost function for
5595 ease of coding and debugging.
5596 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5597 LONG_FLOAT_REGO is likely spilled but not caught by default
5599 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5600 instead of hard coded numbers in range check.
5601 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5602 (...): Add prototypes for functions in ns32k.c but disable because
5603 of problems when ns32k.h is included in machine independant files.
5605 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5606 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5607 hard_regno_mode_ok, secondary_reload_class,
5608 print_operand, print_operand_address): new register scheme to
5609 include 32381 fpu registers and special register classes for new
5610 32381 instructions dotf and polyf.
5611 (gen_indexed_expr): Make static to keep namespace clean.
5612 (check_reg): remove since never called.
5613 (move_tail, expand_block_move): helper functions for "movstrsi"
5615 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5616 Increase cost of moves which go via memory.
5617 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5618 (CPP_PREDEFINES): nolonger predefine "unix".
5620 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5621 Remove erroneous %$. print_operand() can work out from the rtx is
5622 an immediate prefix is required.
5624 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5625 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5626 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5628 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5631 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5632 Correct handling of pic operands.
5633 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5634 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5635 -mrtd calling convention.
5637 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5639 * gcc.c (option_map): Recognize --output-class-directory.
5641 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5643 * loop.h (precondition_loop_p): Added new mode argument.
5644 * unroll.c (precondition_loop_p): Likewise.
5645 (approx_final_value): Function deleted and subsumed
5646 into loop_iterations.
5647 (loop_find_equiv_value): New function.
5648 (loop_iterations): Use loop_find_equiv_value to find increments
5649 too large to be immediate constants. Also use it to find terms
5650 common to initial and final iteration values that can be removed.
5652 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5654 * loop.h (struct loop_info): Define new structure.
5655 (precondition_loop_p): Added prototype.
5656 (unroll_loop): Added new argument loop_info to prototype.
5657 (final_biv_value, final_giv_value): Added new argument n_iterations
5659 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5660 and new pointer loop_info.
5661 (loop_n_iterations): Replace global variable by element in
5662 loop_info structure.
5663 (check_final_value): New argument n_iterations.
5664 (insert_bct): New argument loop_info.
5665 (loop_unroll_factor): Replace global array by element in
5666 loop_info structure.
5667 (loop_optimize): Remove code to allocate and initialise
5668 loop_unroll_factor_array.
5669 * unroll.c (precondition_loop_p): No longer static since
5670 used by branch on count optimization.
5671 (precondition_loop_p, unroll_loop): New argument loop_info.
5672 (final_biv_value, final_giv_value, find_splittable_regs): New
5673 argument n_iterations.
5674 (loop_iteration_var, loop_initial_value, loop_increment,
5675 loop_final_value, loop_comparison_code, loop_unroll_factor):
5676 Replaced global variables by loop_info structure.
5677 (loop_unroll_factor): Replace global array by element in
5678 loop_info structure.
5680 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5682 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5685 * unroll.c (precondition_loop_p): Return loop_initial_value
5686 for initial_value instead of loop_iteration_var.
5688 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5690 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5691 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5692 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5693 to output the instruction sequences.
5695 (rptb_top): Provide alternatives to use any register or memory
5697 (rptb_end): Emit use of operands rather than assigning them
5698 explicitly to the RS and RE registers.
5700 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5702 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5703 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5704 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5705 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5706 c4x_merge_notes, c4x_parallel_process,
5707 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5708 c4x_combine_parallel): Delete.
5710 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5712 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5713 with old target options clear flag_branch_on_count_reg if
5714 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5716 (c4x_output_cbranch): Handle a sequence of insns rather than a
5718 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5719 has not been allocated as the loop counter.
5720 (c4x_address_conflict): Do not allow two volatile memory references.
5721 (valid_parallel_operands_4, valid_parallel_operands_5,
5722 valid_parallel_operands_6): Reject pattern if the register destination
5723 of the first set is used as part of an address in the second set.
5725 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5727 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5728 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5729 is no longer enabled if PARALLEL_MPY_FLAG set.
5730 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5731 (REG_CLASS_CONTENTS): Add braces around initializers.
5732 (HAVE_MULTIPLE_PACK): Define.
5733 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5734 REAL_VALUE_TO_DECIMAL.
5735 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5736 REAL_VALUE_TO_DECIMAL.
5737 (ar0_reg_operand): Add prototype.
5738 (ar0_mem_operand): Likewise.
5739 (ar1_reg_operand): Likewise.
5740 (ar1_mem_operand): Likewise.
5741 (ar2_reg_operand): Likewise.
5742 (ar2_mem_operand): Likewise.
5743 (ar3_reg_operand): Likewise.
5744 (ar3_mem_operand): Likewise.
5745 (ar4_reg_operand): Likewise.
5746 (ar4_mem_operand): Likewise.
5747 (ar5_reg_operand): Likewise.
5748 (ar5_mem_operand): Likewise.
5749 (ar6_reg_operand): Likewise.
5750 (ar6_mem_operand): Likewise.
5751 (ar7_reg_operand): Likewise.
5752 (ar7_mem_operand): Likewise.
5753 (ir0_reg_operand): Likewise.
5754 (ir0_mem_operand): Likewise.
5755 (ir1_reg_operand): Likewise.
5756 (ir1_mem_operand): Likewise.
5757 (group1_reg_operand): Likewise.
5758 (group1_mem_operand): Likewise.
5759 (ir1_reg_operand): Likewise.
5760 (arx_reg_operand): Likewise.
5761 (not_rc_reg): Likewise.
5762 (not_modify_reg): Likewise.
5763 (c4x_group1_reg_operand): Remove prototype.
5764 (c4x_group1_mem_operand): Likewise.
5765 (c4x_arx_reg_operand): Likewise.
5767 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5769 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5770 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5772 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5774 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5777 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5779 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5780 unless FMOVD_WORKS is defined.
5782 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5784 * regclass.c (init_reg_sets): Move code that calculates tables
5785 dependent on reg_class_contents from here...
5786 (init_reg_sets_1): To here.
5788 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5790 * cpplib.h: Delete struct import_file. Add ihash element to
5791 struct cpp_buffer. Delete dont_repeat_files and
5792 import_hash_table elements from cpp_reader; change
5793 all_include_files to a hash table. Delete all foobar_include
5794 / last_foobar_include elements from struct cpp_options; put
5795 back four such: quote_include, bracket_include,
5796 system_include, after_include. Redo struct file_name_list
5797 completely. Add new structure type include_hash. Add
5798 prototypes for merge_include_chains and include_hash. Change
5799 prototypes for finclude, find_include_file, and
5800 append_include_chain to match changes below.
5802 * cppfiles.c (simplify_pathname, include_hash,
5803 remap_filename, merge_include_chains): New functions.
5804 (add_import, lookup_import, open_include_file): Removed.
5805 (INO_T_EQ): Define this (copied from cccp.c).
5806 (hack_vms_include_specification): Remove all calls and #if 0
5807 out the definition. It was being called incorrectly and at
5808 the wrong times. Until a VMSie can look at this, it's better
5809 to not pretend to support it.
5810 (append_include_chain): Change calling convention; now takes
5811 only one directory at a time, and sets up the data structure
5813 (redundant_include_p): Rewritten - this is now used for all
5814 include redundancy, whether by #ifndef, #import, or #pragma
5815 once. Looks up things in the include hash table.
5816 (file_cleanup): Decrement pfile->system_include_depth here if
5818 (find_include_file): Calling convention changed; now passes
5819 around a struct include_hash instead of 3 separate parameters.
5820 Guts ripped out and replaced with new include_hash mechanism.
5821 (finclude): Calling convention changed as for
5822 find_include_file. Error exits pulled out-of-line. Reformat.
5823 (safe_read): Return a long, not an int.
5824 (deps_output): Don't recurse.
5826 * cpplib.c (is_system_include): Deleted.
5827 (path_include): Fix up call to append_include_chain.
5828 (do_include): Fix up calls to find_include_file and finclude.
5829 Clean up dependency output a bit. Shorten obnoxiously lengthy
5830 #import warning message. Don't decrement
5831 pfile->system_include_depth here.
5832 (do_pragma): Understand the include_hash structure. Reformat.
5833 (do_endif): Correct handling of control macros. Understand
5835 (cpp_start_read): Fix up calls to finclude. Call
5836 merge_include_chains.
5837 (cpp_handle_option): Fix up calls to append_include_chain.
5838 Understand the four partial include chains.
5839 (cpp_finish): Add debugging code (#if 0-ed out) for the
5841 (cpp_cleanup): Free the include_hash, not the import hash and
5842 the all_include and dont_repeat lists which no longer exist.
5844 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
5846 * toplev.c (no_new_pseudos): Define.
5847 (rest_of_compilation): Set no_new_pseudos as needed.
5848 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
5849 if no_new_pseudos is set.
5850 * rtl.h (no_new_pseudos): Declare it.
5851 * reload1.c (reload): Update comments.
5852 * md.texi: Corresponding changes.
5854 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5856 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
5857 (choose_reload_regs): Rename it here as well. When computing it,
5858 also merge in used hardregs.
5860 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5862 * gcc.c: Split out Objective-C specs to...
5863 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
5866 * c-lex.c (init_parse): Always initialize the filename global.
5867 * objc/objc-act.c (lang_init): Always call check_newline at
5870 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
5872 * reload1.c (reload): Remove unused variable.
5873 (reload_reg_free_for_value_p): Add missing parameter definition.
5875 * jump.c (jump_optimize): Remove unused variable.
5877 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
5879 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
5881 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
5883 * expr.c (move_by_pieces): Similarly.
5884 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
5885 * flow.c (find_auto_inc): Similarly.
5886 (try_pre_increment): Similarly.
5887 * loop.c (strength_reduce): Similarly.
5888 * regclass.c (auto_inc_dec_reg_p): Similarly.
5889 * regmove.c (try_auto_increment): Similarly.
5890 (fixup_match_1): Similarly.
5891 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
5892 (HAVE_PRE_DECREMENT): Similarly.
5893 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
5894 * Corresponding changes to all target header files.
5895 * tm.texi: Update docs for autoinc addressing modes.
5897 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
5899 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
5900 * configure: Rebuild.
5901 * config/elfos.h: New file.
5902 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
5903 config/m68k/t-m68kelf: New file.
5905 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
5907 * Makefile.in (HOST_AR): Define.
5908 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
5909 (libcpp.a): Use the host tools explicitly.
5910 (STAGESTUFF): Add libcpp.a.
5912 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
5914 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
5915 to source and destination registers.
5917 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
5919 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
5920 The strategy we now use is to pre allocate the top_elt along
5921 with the EH context so that each thread has its own top_elt.
5922 This is necessary as the dynmanic cleanup chain is used on the
5923 top element of the stack and each thread MUST have its own.
5924 (eh_context_static): Likewise.
5925 (new_eh_context): Likewise.
5926 (__sjthrow): Likewise.
5928 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5930 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5931 * i386.md (prologue_get_pc): Remove unused variable.
5933 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5935 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5937 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5939 * Makefile.in (OBJS): Add graph.o
5940 (graph.o): New dependency list.
5941 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5942 * print-rtl.c (dump_for_graph): Define new variable.
5943 (print_rtx): Rewrite to allow use in graph dumping functions.
5944 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5945 finish_graph_dump_file.
5946 Define graph_dump_format.
5947 (compile_file): If graph dumping is enabled also clear these files.
5948 Finish graph dump files.
5949 (rest_of_compilation): Also dump graph information if enabled.
5950 (main): Recognize -dv to enabled VCG based graph dumping.
5951 * graph.c: New file. Graph dumping functions.
5953 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5955 * configure.in: Look for <sys/stat.h>.
5956 * system.h: Include it before substitute S_ISREG definitions.
5958 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
5960 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
5961 * config/mips/iris6.h: Same.
5962 * config/mips/mips.md: Same.
5963 * config/mips/mips.c: Same; also add "-mabi=o64" option.
5964 * config/mips/mips.h: Same; also define ABI_O64.
5966 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5968 * configure.in: Use AC_PREREQ(2.12.1).
5970 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5972 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
5973 * cpplib.c, gcc.c: Likewise.
5974 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
5976 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
5978 * local-alloc.c (local_alloc): Use malloc not alloca for
5979 reg_qty, reg_offset, ref_next_in_qty.
5981 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5983 * caller-save.c (insert_one_insn): Initialize the live_before and
5984 live_after register sets.
5988 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
5989 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
5990 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
5991 (fp_reg_names, assembler_dialect): New variables.
5992 (print_operand_address): Handle SUBREGs.
5993 (print_operand): Added 'o' case.
5994 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
5995 Name of FP registers depends on mode.
5996 (expand_block_move): Emit different code for SH4 hardware.
5997 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
5998 (from_compare): Likewise.
5999 (add_constant): New argument last_value. Changed all callers.
6000 (find_barrier): Don't try HImode load for FPUL_REG.
6001 (machine_dependent_reorg): Likewise.
6002 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
6003 (gen_far_branch): Emit a barrier after the new jump.
6004 (barrier_align): Don't trust instruction lengths before
6006 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
6007 Use auto-inc addressing for fp registers if doubles need to
6008 be loaded in two steps.
6009 Set sh_flag_remove_dead_before_cse.
6010 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
6011 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
6012 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
6013 Support for FIRST_XD_REG .. LAST_XD_REG.
6014 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
6015 (sh_expand_epilogue): Likewise.
6016 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
6017 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
6018 (arith_reg_operand): FPUL_REG is OK for SH4.
6019 (fp_arith_reg_operand, fp_extended_operand) New functions.
6020 (tertiary_reload_operand, fpscr_operand): Likewise.
6021 (commutative_float_operator, noncommutative_float_operator): Likewise.
6022 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
6023 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
6024 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
6025 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
6026 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
6027 (CONDITIONAL_REGISTER_USAGE): Likewise.
6028 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
6029 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
6030 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
6031 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
6032 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
6033 to -1 and sh_flag_remove_dead_before_cse to 1.
6034 (ASSEMBLER_DIALECT): Define to assembler_dialect.
6035 (assembler_dialect, fp_reg_names): Declare.
6036 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
6037 Hide names of registers that are not accessible.
6038 (CACHE_LOG): Take TARGET_CACHE32 into account.
6039 (LOOP_ALIGN): Take TARGET_HARWARD into account.
6040 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
6041 (FIRST_PSEUDO_REGISTER: Now 49.
6042 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
6043 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
6044 (HARD_REGNO_MODE_OK): Update.
6045 (enum reg_class): Add DF_REGS and FPSCR_REGS.
6046 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
6047 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
6048 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
6049 (NPARM_REGS): Eight floating point parameter registers on SH4.
6050 (BASE_RETURN_VALUE_REG): SH4 also passes double values
6051 in floating point registers.
6052 (GET_SH_ARG_CLASS) Likewise.
6053 Complex float types are also returned in float registers.
6054 (BASE_ARG_REG): Complex float types are also passes in float registers.
6055 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
6056 (LIBCALL_VALUE): Remove trailing semicolon.
6057 (ROUND_REG): Round when double precision value is passed in floating
6059 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
6060 passed on the stack.
6061 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
6062 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
6063 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
6064 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
6065 (MODE_DISP_OK_8): Not for SH4 DFmode.
6066 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
6067 Allow indexed addressing for PSImode after reload.
6068 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
6069 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
6070 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
6071 (DOUBLE_TYPE_SIZE): 64 for SH4.
6072 (RTX_COSTS): Add PLUS case.
6073 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
6074 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
6075 MAC_REGS, PR_REGS, DF_REGS.
6076 (REGISTER_NAMES): Use fp_reg_names.
6077 (enum processor_type): Add PROCESSOR_SH4.
6078 (sh_flag_remove_dead_before_cse): Declare.
6079 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
6080 (PREDICATE_CODES): Add binary_float_operator,
6081 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
6082 fpscr_operand, noncommutative_float_operator.
6083 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
6084 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
6085 * sh.md (attribute cpu): Add value sh4.
6086 (attrbutes fmovd, issues): Define.
6087 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
6088 (function units memory, int, mpy, fp): Make dependent on issue rate.
6089 (function units issue, single_issue, load_si, load): Define.
6090 (function units load_store, fdiv, gp_fpul): Define.
6091 (attribute hit_stack): Provide proper default.
6092 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
6093 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
6094 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
6095 (mulsi3_call): Now uses match_operand for function address.
6096 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
6098 (push, pop, push_e, pop_e): Now define_expands.
6099 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
6100 (movsi_ie): Added y/i alternative.
6101 (ic_invalidate_line_i, movdf_i4): New insns.
6102 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
6103 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
6104 (movdf): Add special code for SH4.
6105 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
6106 (call_valuei, calli, call_value): Likewise.
6107 (movsf): Emit no-op move.
6108 (mov_nop, movsi_y): New insns.
6109 (blt, sge): generalize to handle DFmode.
6110 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
6111 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
6112 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
6113 (fpu_switch0, fpu_switch1, movpsi): New expanders.
6114 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
6115 (toggle_sz): New insn.
6116 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
6117 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
6118 (macsf3): Make use of fpscr visible. Disable for SH4.
6119 (floatsisf2): Make use of fpscr visible.
6120 (floatsisf2_i4): New insn.
6121 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
6122 (ieee_ccmpeqsf_t): Likewise.
6123 (fix_truncsfsi2): Emit different code for SH4.
6124 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
6125 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
6126 (negsf2, sqrtsf2, abssf2): Now expanders.
6127 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
6128 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
6129 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
6130 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
6131 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
6132 (fix_truncdfsi2_i4_2+1): New splitters.
6133 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
6134 (extendsfdf2, truncdfsf2): New expanders.
6135 (truncdfsf2_i4): New insn.
6136 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
6137 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
6138 * float-sh.h: When testing for __SH3E__, also test for
6139 __SH4_SINGLE_ONLY__ .
6140 * va-sh.h (__va_freg): Define to float.
6141 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
6142 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
6143 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
6144 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
6146 (TARGET_SH4_P): Define.
6149 * sh.md (movdf_k, movsf_i): Tweak the condition so that
6150 init_expr_once is satisfied about the existence of load / store insns.
6152 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
6153 change m constraint in source operand to mr / mf .
6155 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
6157 * (__VA_REEF): Define.
6158 (__va_arg_sh1): Use it.
6160 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
6162 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
6164 * i386/dgux.c (struct option): Add new "description field".
6165 * m88k/m88k.c (struct option): Likewise.
6167 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
6169 * version.c: Bump for snapshot.
6171 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6173 * regmove.c (regmove_profitable_p): Use return value of find_matches
6176 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
6178 * version.c: Bump for snapshot.
6180 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
6182 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
6183 without reload having been called earlier.
6185 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
6187 (v850_reorg): Similarly.
6189 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
6191 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6193 * loop.c (move_movables): Start of libcall might be new loop start.
6195 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6197 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
6199 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6201 * function.c (nonlocal_goto_handler_slots): Renamed from
6202 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
6203 (push_function_context_to): Adjust for this change.
6204 (pop_function_context_from): Likewise.
6205 (init_function_start): Likewise.
6206 (expand_function_end): Likewise.
6207 * function.h (struct function): Likewise.
6208 * calls.c (expand_call): Likewise.
6209 * explow.c (allocate_dynamic_stack_space): Likewise.
6210 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
6211 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
6213 (expand_goto): When doing a nonlocal goto, find corresponding handler
6214 slot for it. Don't put the label address in the static chain register.
6215 (expand_end_bindings): Break out nonlocal goto handling code into
6216 three new functions.
6217 (expand_nl_handler_label, expand_nl_goto_receiver,
6218 expand_nl_goto_receivers): New static functions, broken out of
6219 expand_end_bindings and adapted to create one handler per nonlocal
6221 * function.c (delete_handlers): Delete insn if it references any of
6222 the nonlocal goto handler slots.
6223 * i960.md (nonlocal_goto): Comment out code that modifies
6225 * sparc.md (nonlocal_goto): Likewise.
6226 (goto_handler_and_restore_v9): Comment out.
6227 (goto_handler_and_restore_v9_sp64): Comment out.
6229 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6231 * expr.c (STACK_BYTES): Delete unused macro.
6232 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
6233 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6234 (expand_call): Likewise.
6235 (emit_library_call): Likewise.
6236 (emit_library_call_value): Likewise.
6237 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
6238 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6239 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
6240 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
6241 (allocate_dynamic_stack_space): Likewise.
6242 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
6243 (STACK_BOUNDARY): Update description to reflect the new situation.
6245 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
6247 * reorg.c (relax_delay_slots): When optimizing for code size, if a
6248 return with a filled delay slot is followed by a return with an
6249 unfilled delay slot, delete the first return and reemit the insn
6250 that was previously in its delay slot.
6252 * i860.c (single_insn_src_p): Add missing parens.
6253 * ginclude/math-3300.h: Likewise.
6255 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
6257 * regclass.c (init_reg_sets_1): Add prototype.
6258 (init_reg_modes): Likewise.
6260 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
6262 * c-common.c: Change warning messages to say `comparison is
6263 always true' or `comparison is always false' instead of the
6264 confusing `is always 0', `is always 1'.
6266 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
6268 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
6269 break instead of return (which loses closing '>').
6271 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
6273 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
6274 standard 387 constants.
6276 * i386.md (jump): Explicitly set "memory" attribute.
6277 (indirect_jump, prologue_set_stack_ptr): Likewise.
6278 (prologue_get_pc_and_set_got, pop): Likewise.
6279 (allocate_stack_worder, blockage, return_internal): Likewise.
6280 (return_pop_internal, nop): Likewise.
6281 (epilogue_set_stack_ptr, leave): Likewise.
6283 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
6285 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
6287 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6289 * reload1.c (reload_reg_free_for_value_p):
6290 Early auto_inc reloads don't conflict with outputs.
6292 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6294 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
6295 Instead call AC_HEADER_SYS_WAIT.
6297 * collect2.c: Don't provide defaults for sys/wait.h macros.
6299 * protoize.c: Likewise. Also, don't include sys/wait.h.
6301 * system.h: Include sys/wait.h and provide macro defaults.
6303 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6305 * Makefile.in (mandir): Set to @mandir@.
6306 (man1dir): New variable to hold the former value of $(mandir).
6307 Replace all uses of $(mandir) by $(man1dir).
6309 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
6311 * reload.c (find_reloads_address_part): If have a CONST_INT, create
6312 a new one before passing it to force_const_mem.
6314 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
6315 find_reloads_address call.
6317 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6319 * expr.c (store_expr): Don't generate load-store pair
6320 if TEMP is identical (according to ==) with TARGET.
6322 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6324 * reload1.c (reload_reg_free_for_value_p): When considered reload
6325 has an output, matching inputs are not sufficient to avoid conflict.
6327 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
6329 * hash.h (hash_table_key): New type.
6330 (hash_entry): Change `string' field to generic `key'.
6331 (hash_table): Add `comp' and `hash' functions.
6332 (hash_table_init): Take them as input.
6333 (hash_table_init_n): Likewise.
6334 (hash_lookup): Modify for generic keys.
6335 (hash_newfunc): Likewise.
6336 (hash_traverse): Likewise.
6337 (string_hash): New function.
6338 (string_compare): Likewise.
6339 (string_copy): Likewise.
6340 * hash.c (hash_table_init_n): Modify for generic keys.
6341 (hash_table_init): Likewise.
6342 (hash_lookup): Likewise.
6343 (hash_newfunc): Likewise.
6344 (hash_traverse): Likewise.
6345 (string_hash): Split out from hash_lookup.
6346 (string_compare): New function.
6347 (string_copy): Split out from hash_lookup.
6348 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6350 (symbol_hash_lookup): Likewise.
6351 (file_hash_newfunc): Likewise.
6352 (file_hash_lookup): Likewise.
6353 (demangled_hash_newfunc): Likewise.
6354 (demangled_hash_lookup): Likewise.
6355 (tlink_int): Likewise.
6356 (read_repo_file): Likewise.
6357 (recompile_files): Likewise.
6358 (demangle_new_symbols): Likewise.
6359 (scan_linker_output): Likewise.
6361 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6363 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6365 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
6367 * rs6000.c (output_mi_thunk): Improve test for local branch.
6369 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6371 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6373 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6375 * reload1.c (reload_reg_free_before_p): Delete.
6376 Changed all callers to use reload_reg_free_for_value_p instead.
6377 (reload_reg_free_for_value_p): Handle more reload types.
6378 A RELOAD_FOR_INPUT doesn't conflict with its
6379 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6380 Add special case for OUT == const0_rtx.
6381 Added ignore_address_reloads argument. Changed all callers.
6383 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6385 * toplev.c (compile_file): Don't pedwarn about undefined static
6386 functions just because we passed -Wunused.
6388 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6390 * function.c (purge_addressof_1): Unshare rtl created by
6393 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6395 * regmove.c (regmove_optimize): Don't do anything but
6396 optimize_reg_copy[123] when flag_regmove is not set.
6398 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6400 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6401 value in paradoxical SImode result, rather than truncating midpoint.
6403 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6405 * alpha.c (reg_not_elim_operand): New.
6406 * alpha.h (PREDICATE_CODES): Add it.
6407 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6408 for the multiplicand.
6410 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
6412 * rs6000.md (movsf): Remove explicit secondary-reload-like
6413 functionality. Only truncate SFmode store if in FPR.
6414 (movsf splitters): Combine const_double splitters.
6415 (movsf_hardfloat): Add GPR support.
6417 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6419 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6420 deprecate -mlive-g0 and -mbroken-saverestore.
6421 * t-splet (MULTILIB_OPTIONS): Likewise.
6423 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6424 in a leaf function. Clarify total_size/extra_size relationship.
6426 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6428 * i386/cygwin32.asm: Delete.
6429 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6430 * i386/cygwin32.h: Delete.
6431 * i386/cygwin.h: New file, renamed from cygwin32.h.
6432 * i386/t-cygwin32: Delete.
6433 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6434 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6435 * i386/x-cygwin32: Delete.
6436 * i386/x-cygwin: New file, renamed from x-cygwin32.
6437 * i386/xm-cygwin32: Delete.
6438 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6439 renamed cygwin_ funcs for path translations.
6440 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6441 * i386/winnt.c: Remove "32" from comment about cygwin.
6442 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6443 * rs6000/cygwin32.h: Delete.
6444 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6445 -D__CYGWIN__ to CPP_PREDEFINES.
6446 * rs6000/x-cygwin32: Delete.
6447 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6448 * rs6000/xm-cygwin32: Delete.
6449 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6451 * configure.in: Check for cygwin* instead of cygwin32. Account
6452 for the rename of cygwin-related config files to lose the "32"s.
6453 * configure: Regenerate.
6455 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6456 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6458 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6460 * Makefile.in (JAVAGC): New macro.
6461 * configure: Rebuilt.
6462 * configure.in: Recognize --enable-java-gc argument. Subst
6465 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6467 Handle equivalences that have been obscured by gcse:
6469 * reload1.c (reload): Handle equivalences set up in multiple places.
6470 * local-alloc.c (reg_equiv_init_insns): New variable.
6471 (no_equiv): New function.
6472 (update_equiv_regs): Handle equivalences set up in multiple places.
6473 Don't ignore an insn just because its destination is likely to be
6476 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6478 * except.c (expand_eh_return): Readd force_operand call lost in
6481 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
6483 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6485 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6487 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6489 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6491 * regmove.c (regmove_optimize): Fix error in last change.
6493 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6495 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6496 offset in the .mask pseudo to compensate for frame pointer adjustments.
6497 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6498 word swap arguments moved to/from FP registers.
6499 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6501 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6503 * version.c: Bump for snapshot.
6505 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6507 * version.c: Bump for snapshot.
6509 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6511 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6512 times, then it can not be completely replaced.
6514 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6516 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6518 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6520 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6521 (to distinguish it from the macro wrapping ansidecl.h.)
6522 Include libiberty's ansidecl.h. Remove all redundant definitions.
6523 Define the PROTO() style macros in terms of the PARAMS() ones.
6526 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6527 __STDC__, when deciding whether to use ANSI variable args.
6528 (emit_library_call_value): Likewise.
6530 * cccp.c (error): Likewise.
6531 (warning): Likewise.
6532 (error_with_line): Likewise.
6533 (warning_with_line): Likewise.
6534 (pedwarn): Likewise.
6535 (pedwarn_with_line): Likewise.
6536 (pedwarn_with_file_and_line): Likewise.
6539 * cexp.y (error): Likewise.
6540 (pedwarn): Likewise.
6541 (warning): Likewise.
6543 * collect2.c (fatal_perror): Likewise.
6547 * combine.c (gen_rtx_combine): Likewise.
6549 * cpperror.c (cpp_message): Likewise.
6550 (cpp_fatal): Likewise.
6552 * cpplib.c (cpp_error): Likewise.
6553 (cpp_warning): Likewise.
6554 (cpp_pedwarn): Likewise.
6555 (cpp_error_with_line): Likewise.
6556 (cpp_warning_with_line): Likewise.
6557 (cpp_pedwarn_with_line): Likewise.
6558 (cpp_pedwarn_with_file_and_line): Likewise.
6560 * cpplib.h: Don't define PARAMS() macro.
6562 * demangle.h: Likewise.
6564 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6565 when deciding whether to use ANSI variable args.
6567 * emit-rtl.c (gen_rtx): Likewise.
6568 (gen_rtvec): Likewise.
6570 * final.c (asm_fprintf): Likewise.
6572 * fix-header.c (cpp_message): Likewise.
6574 (cpp_fatal): Likewise.
6576 * gcc.c (concat): Likewise.
6580 * genattr.c (fatal): Likewise.
6582 * genattrtab.c (attr_rtx): Likewise.
6583 (attr_printf): Likewise.
6586 * gencodes.c (fatal): Likewise.
6588 * genconfig.c (fatal): Likewise.
6590 * genemit.c (fatal): Likewise.
6592 * genextract.c (fatal): Likewise.
6594 * genflags.c (fatal): Likewise.
6596 * genopinit.c (fatal): Likewise.
6598 * genoutput.c (fatal): Likewise.
6601 * genpeep.c (fatal): Likewise.
6603 * genrecog.c (fatal): Likewise.
6605 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6606 deciding whether to declare `tree_node' and `rtx_def'.
6608 * hash.h: Don't define stuff we get from gansidecl.h.
6610 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6611 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6612 whether to use ANSI variable args.
6615 * prefix.c (concat): Likewise.
6619 * system.h: Likewise.
6621 * toplev.c (error_with_file_and_line): Likewise.
6622 (error_with_decl): Likewise.
6623 (error_for_asm): Likewise.
6626 (warning_with_file_and_line): Likewise.
6627 (warning_with_decl): Likewise.
6628 (warning_for_asm): Likewise.
6629 (warning): Likewise.
6630 (pedwarn): Likewise.
6631 (pedwarn_with_decl): Likewise.
6632 (pedwarn_with_file_and_line): Likewise.
6634 (really_sorry): Likewise.
6636 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6637 whether to declare `tree_node' and `rtx_def'.
6639 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6640 deciding whether to use ANSI variable args.
6641 (build_nt): Likewise.
6642 (build_parse_node): Likewise.
6644 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6646 * version.c: Bump for snapshot.
6648 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6650 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6652 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
6654 * collect2.c (main, case 'b'): Use else if.
6656 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6658 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6659 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6660 before the config/ directory headers.
6661 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6662 gansidecl.h in the list of dependencies.
6664 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6665 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6666 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6667 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6668 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6669 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6672 * cccp.c: Don't include gansidecl.h.
6674 * collect2.c: Likewise.
6675 * config/c4x/c4x.c: Likewise.
6676 * config/v850/v850.h: Likewise.
6677 * cppalloc.c: Likewise.
6678 * cpperror.c: Likewise.
6679 * cppexp.c: Likewise.
6680 * cppfiles.c: Likewise.
6681 * cpphash.c: Likewise.
6682 * cpplib.c: Likewise.
6683 * cppmain.c: Likewise.
6684 * cppulp.c: Likewise.
6685 * demangle.h: Likewise.
6686 * doprint.c: Likewise.
6687 * dyn-string.c: Likewise.
6688 * eh-common.h: Likewise.
6689 * fix-header.c: Likewise.
6690 * frame.c: Likewise.
6693 * gen-protos.c: Likewise.
6694 * gencheck.c: Likewise.
6695 * halfpic.h: Likewise.
6697 * machmode.h: Likewise.
6698 * mbchar.c: Likewise.
6699 * prefix.c: Likewise.
6700 * protoize.c: Likewise.
6701 * recog.h: Likewise.
6703 * scan-decls.c: Likewise.
6705 * varray.h: Likewise.
6707 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6709 * i386.md (call_value_pop): If we're not popping anything,
6710 defer to call_value.
6711 (call_pop): Likewise defer to call.
6713 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6715 * function.c (purge_addressof): Clear purge_addressof_replacements
6716 only after processing the whole function.
6718 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6720 * reload1.c (reload): If we can not perform a particular elimination
6721 when we thought we could earlier, then we must always iterate through
6722 the loop at least one more time.
6724 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6726 * alpha.c (add_operand): Simplify the CONST_INT match.
6727 (sext_add_operand): Correct typo in comparison by using
6728 CONST_OK_FOR_LETTER_P.
6729 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6730 constant alternatives to be generated.
6731 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6732 small constants, since the hw instructions do.
6734 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6736 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6737 previous insn to store directly into our reload register, make sure
6738 that if the source of the previous insn is a reload register, its
6739 spill_reg_store and spill_reg_stored_to values are cleared.
6741 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
6743 * rs6000.md (floatunssidf2_internal splitter): Use base register
6744 operand, not hard-coded SP.
6746 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6748 * jump.c (calculate_can_reach_end): Fix thinko.
6750 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6752 * reorg.c (fill_simple_delay_slots): Fix typo.
6754 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6756 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6758 * i386.md (extendsidi2): Use # in the output template.
6759 (extendsidi splitters): New splitters.
6761 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6763 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6765 * configure: Regenerate.
6767 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6769 * jump.c (init_label_info, delete_barrier_successors,
6770 mark_all_labels, delete_unreferenced_labels,
6771 delete_noop_moves, calculate_can_reach_end): New functions broken
6772 out of jump_optimize.
6773 (jump_optimize): Use them.
6775 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6777 * except.c (expand_fixup_region_end): Make sure outer context labels
6778 are not issued in an inner context during cleanups.
6780 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6782 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6785 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6787 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6788 to expose this midpoint to CSE.
6790 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6792 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6794 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6796 * configure.in: Bring over gcc2 change of Nov 19 1997.
6798 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6800 * toplev.c (output_lang_identify): Make definition dependent on
6801 ASM_IDENTIFY_LANGUAGE.
6803 * print-rtl.c (spaces): Make static.
6805 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6807 * extend.texi: Clarify proper uses for register clobbers in asms.
6809 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6811 * recog.h (enum op_type): Define.
6812 (constrain_operands): Adjust prototype.
6813 (recog_op_type): Declare new variable.
6814 * recog.c (recog_op_type): New variable.
6815 (insn_invalid_p): Allow modifying an asm statement after reload.
6816 (extract_insn): Set up recog_op_type.
6817 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6818 Don't compute operand types, use recog_op_type.
6819 Use the information computed by extract_insn instead of the previous
6820 method of finding it by insn code number.
6821 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6822 * reorg.c (fill_slots_from_thread): Likewise.
6823 * reload1.c (reload_as_needed): Likewise.
6824 (gen_reload): Likewise.
6825 (inc_for_reload): Likewise.
6826 (reload_cse_simplify_operands): Likewise.
6827 Use the information computed by extract_insn instead of the previous
6828 method of finding it by insn code number.
6829 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6831 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6832 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6833 Use the information computed by extract_insn instead of the previous
6834 method of finding it by insn code number.
6835 * regmove.c (find_matches): Likewise. Change meaning of the return
6836 value to be nonzero if the optimization can be performed, zero if
6837 not. All callers changed.
6838 Shorten some variable names to fix formatting problems.
6839 (regmove_optimize): Shorten some variable names to fix formatting
6841 Use the information computed by extract_insn instead of the previous
6842 method of finding it by insn code number.
6843 * regclass.c (scan_one_insn): Likewise.
6844 (record_reg_classes): Don't compute operand types, use recog_op_type.
6845 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
6846 recog_constraints instead.
6848 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
6850 * rtl.h (flow2_completed): Declare.
6851 * flow.c (flow2_completed): Definition.
6852 * toplev.c (rest_of_compilation): Set and clear flow2_completed
6855 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6857 * Makefile.in (libcpp.a): Ranlib libcpp.a
6859 * cppulp.c (user_label_prefix): Initialize.
6861 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
6863 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
6864 at a RETURN if current_function_sp_is_unchanging is set.
6866 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6868 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
6870 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
6872 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
6873 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
6874 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
6875 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
6876 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
6877 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
6879 (LIB_SPEC): Handle -mno-cyginw option.
6880 (LINK_SPEC): Handle -mdll.
6882 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6884 * reload.c (find_reloads): Fix test for usage by other reload
6885 to handle secondary reloads properly.
6887 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6889 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
6890 intermediate structure which has exactly the members provided by
6891 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
6892 static intermediate structure.
6894 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
6895 from the intermediate structure. Do the same analogous fix in
6896 the case where ELIMINABLE_REGS is not defined.
6898 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
6900 * pa.h (SELECT_SECTION): Fix thinko.
6902 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
6904 * dwarf2out.c (output_call_frame_info): Comments on last change.
6906 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
6908 * arm.c (add_constant): When taking the address of an item in the
6909 pool, get the mode of the item addressed.
6911 * arm.c (final_prescan_insn case INSN): If an insn doesn't
6912 contain a SET or a PARALLEL, don't consider it for conditional
6915 Restore ABI compatibility for NetBSD.
6916 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
6918 (RETURN_IN_MEMORY): Likewise.
6920 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
6922 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
6923 (m32r_output_block_move): Rewrite bytes < 4 handling.
6925 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6927 * configure.in: Call AC_FUNC_VFORK.
6929 * collect2.c: Define VFORK_STRING as a printable string for
6930 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6931 defined, include vfork.h. If VMS is defined, define vfork()
6932 appropriately. Remove vfork check on USG, we're using autoconf.
6933 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6934 checking locally what string to pass.
6935 (scan_prog_file): Likewise.
6936 (scan_libraries): Likewise.
6938 * gcc.c: Remove vfork check on USG, we're using autoconf.
6939 Besides, no calls to vfork/fork occur in this file.
6941 * protoize.c: Likewise.
6943 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6945 * configure.in (DEFAULT_LINKER): renamed from LD
6946 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6947 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6948 * configure: rebuilt
6950 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6952 * BUGS: fix the regexp for `more' to find the appropriate node.
6953 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6955 * BUGS: added link to the WWW FAQ
6957 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
6959 * version.c: Bump for snapshot.
6961 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
6963 * From Christian Gafton:
6964 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
6965 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
6966 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
6968 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
6970 * c-common.c (c_get_alias_set): Allow all type-punning through
6971 unions. Don't get confused about the type of a bit-field, despite
6972 the antics of build_modify_expr.
6974 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
6976 * fixinc.sco: Paramaterize #include_next values.
6977 * fixinc/fixinc.sco: Likewise.
6979 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
6981 * toplev.c (rest_of_compilation): No longer set reload_completed.
6982 * reload1.c (reload): Set it here. Perform instruction splitting
6983 after reload has completed if we will be running the scheduler
6986 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
6988 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
6989 EH region if exceptions are enabled and we're performing cross
6991 (find_cross_jump): Exit loop if the insns are in different EH regions.
6993 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
6995 * dwarf2out.c (output_call_frame_info): Use
6996 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
6998 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7000 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
7001 * c-common.c (check_format_info): Don't check for the 'x'
7002 format character twice, instead check for 'x' and 'X'
7004 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
7006 * configure.in (assembler features): Also make gas is configured if
7007 we find it in the souce tree.
7009 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
7011 * i386.c (i386_comp_type_attributes): Compare whether the
7012 attributes are defined, not their tree nodes.
7014 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7016 * configure.in (gxx_include_dir): bitten by autoconf quoting
7018 * configure: rebuilt
7020 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7022 * configure.in: Ignore non-absolute value in $AS.
7024 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
7026 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
7028 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
7030 * configure.in (msdosdjgpp): Set exeext and target_alias.
7032 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7034 * flow.c (XNMALLOC): New macro.
7035 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
7037 (add_edge, add_edge_to_label): New static functions.
7038 (free_bb_memory): New function.
7039 (flow_delete_insn): Delete function.
7040 (basic_block_drops_in): Delete variable.
7041 (find_basic_blocks): Allocate and initialize basic_block_head,
7042 basic_block_succ. Don't allocate basic_block_drops_in.
7043 Call free_bb_memory at the beginning.
7044 (find_basic_blocks_1): Don't do multiple passes.
7045 Delete code to compute basic_block_drops_in.
7046 After calling make_edges, mark blocks reached by current block live.
7047 Update test for unreachable live blocks.
7048 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
7050 Simplify to call add_edge_to_label when a LABEL_REF is found.
7051 (make_edges): Simplify to call add_edge_to_label instead of
7052 mark_label_ref most of the time.
7053 Compute here whether control drops into the next block.
7054 (delete_unreachable_blocks): Return void. All callers changed.
7055 Delete unreachable blocks in reverse order.
7056 After deleting all unreachable blocks, renumber the remaining ones
7057 and update n_basic_blocks.
7058 (delete_block): Speed up deletion a bit.
7059 Don't set basic_block_drops_in for deleted blocks.
7060 (free_basic_block_vars): Don't free basic_block_drops_in.
7061 (life_analysis_1): Update to use new edge representation.
7062 (dump_flow_info): Delete code to print basic block info; call
7063 dump_bb_data instead.
7064 (compute_preds_succs): Delete code to recompute basic_block_drops_in
7065 and uid_block_number.
7066 Simply copy the previously computed cfg.
7067 (dump_bb_data): New arg LIVE_INFO. All callers changed.
7068 Print register lifetime information if LIVE_INFO is nonzero.
7069 * basic-block.h (dump_bb_data): Adjust prototype.
7070 * gcse.c (gcse_main): Update call to dump_bb_data.
7071 * rtl.h (free_bb_memory): Declare.
7072 * toplev.c (rest_of_compilation): Call free_bb_memory.
7074 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
7075 (update_eliminable_offsets): Don't compute it.
7076 (set_initial_elim_offsets): Don't initialize it.
7077 Break out some code into set_initial_label_offsets so the rest of
7078 this function can be called from reload_as_needed.
7079 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
7080 ELIMINABLE_REGS isn't.
7081 (set_initial_label_offsets): New function, broken out of
7082 set_initial_elim_offsets.
7083 (set_offsets_for_label): New function, broken out of set_label_offsets
7084 and reload_as_needed.
7085 (reload): Call the two new functions.
7086 (reload_as_needed): Call set_initial_elim_offsets instead of
7087 duplicating the code. Likewise for set_offsets_for_label.
7089 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
7090 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
7091 any hard reg, reg_reloaded_dead contains valid data.
7093 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
7095 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
7096 "stdcall" and "cdecl" attributes.
7098 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
7100 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
7101 handle deleted no-op moves of hard registers.
7102 * haifa-sched.c (update_flow_info): Likewise.
7104 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
7106 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
7107 of the sequences to reload the HILO register which do not actually
7110 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
7112 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
7114 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7116 * except.c (emit_eh_context): Make the EH context register stay alive
7117 at -O0 so stupid.c doesn't get confused.
7119 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7121 * emit-rtl.c (try_split): Do not try to split a BARRIER.
7123 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
7124 Jeffrey A Law (law@cygnus.com)
7126 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
7127 (zero_extendsidi2): Use # in output template and handle completely by
7129 (zero_extend splitters): New define_splits.
7130 (ashiftrt_32): New pattern.
7132 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7134 * tree.c (append_random_chars): New fn.
7135 (get_file_function_name_long): Use it.
7137 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
7139 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
7140 (LIBCPP_OBJS): New. Add cppulp.o.
7141 (cppmain, fix-header): Depend on and use libcpp.a.
7142 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
7143 of the individual object files.
7144 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
7147 * cccp.c (user_label_prefix): New.
7148 (main): Set it off -f*leading-underscore.
7149 (special_symbol): Use it.
7150 * cpplib.c (special_symbol): Likewise.
7151 (cpp_handle_option): Handle -f*leading-underscore.
7152 * cppulp.c: New file.
7154 * output.h (user_label_prefix): Declare it.
7155 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
7156 * toplev.c (f_options, main): Handle -f*leading-underscore.
7158 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
7159 referencing USER_LABEL_PREFIX directly.
7160 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
7161 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
7162 * final.c (asm_fprintf): Use user_label_prefix instead.
7163 * arm/thumb.c (thumb_print_operand): Likewise.
7165 * gcc.c (default_compilers): Pass -f*leading-underscore on to
7166 cpp wherever appropriate.
7168 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
7170 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
7171 specific compiler switches.
7173 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
7175 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
7178 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7180 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
7181 structure which has exactly the members provided by EXTRA_SPECS.
7182 Xmalloc() the real `extra_specs', and initialize it from this
7183 intermediate structure.
7185 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
7187 * mips.h (EXTRA_SPECS): Likewise.
7189 * sparc.h (EXTRA_SPECS): Likewise.
7191 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7193 * function.c (purge_addressof_1): Instead of aborting when a
7194 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
7195 work just put the ADDRESSOF on stack. Otherwise remember all such
7196 successfull replacements, so that exactly the same replacements
7197 can be made on the REG_NOTEs. Remove the special case for CALL
7199 (purge_addressof_replacements): New variable.
7200 (purge_addressof): Clear it at end.
7202 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7204 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
7205 (lang_init): Call check_newline always.
7206 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
7207 cpp_start_read, set yy_cur and yy_lim to read from
7208 parse_in.token_buffer, so that we'll see the first #line
7210 * cpplib.c (cpp_start_read): finclude the main input file
7211 before processing -include/-imacros. Process -imacros and
7212 -include separately, and handle -include by stacking a
7213 buffer for the file in question as if it'd been #included.
7214 * toplev.c (documented_lang_options) Recognize -H when
7217 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
7219 * cpplib.c: Merge do_once into do_pragma. Break file handling
7220 code out of do_include.
7221 Move append_include_chain, deps_output,
7222 file_cleanup, redundant_include_p, import_hash,
7223 lookup_import, add_import, read_filename_string, read_name_map,
7224 open_include_file, finclude, safe_read to cppfiles.c.
7225 Move prototypes for deps_output, append_include_chain,
7226 finclude to cpplib.h. Move definition of struct
7227 file_name_list there also.
7229 * cppfiles.c: New file. Contains all the above functions
7230 broken out of cpplib.c; also hack_vms_include_specification
7231 from cccp.c and find_include_file, a new function broken out of
7234 * Makefile.in (cppmain): Depend on cppfiles.o.
7235 (fix-header): Likewise.
7236 (cppfiles.o): New target.
7237 * configure.in (--enable-c-cpplib): Add cppfiles.o to
7238 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
7240 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
7242 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
7243 if pending_types is non-zero.
7244 (dwarfout_finish): Verify pending_types is zero before finishing.
7246 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
7248 * expr.c (convert_move): Use shifts to perform the move if a
7249 suitable extend pattern cannot be found. Code written by
7250 Richard Henderson <rth@cygnus.com>.
7252 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7254 * regclass.c (renumber, regno_allocated): New static variables, moved
7255 out of allocate_reg_info.
7256 (allocate_reg_info): Move these two variables outside the function.
7257 Move code to free memory into new function free_reg_info.
7258 (free_reg_info): New function, broken out of allocate_reg_info.
7259 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
7260 * rtl.h (allocate_reg_info): Don't declare.
7261 (free_reg_info): Declare.
7263 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
7265 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
7267 * toplev.c (compile_file): Temporarily revert last change.
7269 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
7271 * c-typeck.c (convert_for_assignment): Parenthesize.
7273 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7275 * reload1.c (delete_output_reload): Avoid ambigous else.
7277 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
7279 * toplev.c (compile_file): Call allocate_reg_info to free register
7281 * rtl.h (allocate_reg_info): Declare.
7283 * PROJECTS: Remove entry for local spilling.
7285 * final.c (cleanup_subreg_operands): New function.
7286 (final_scan_insn): Use it.
7287 (alter_subreg): Clear the "used" field when we turn a SUBREG into
7289 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
7290 operands when reload has finished.
7291 * reload.h (cleanup_subreg_operands): Declare..
7292 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
7293 reload. Handled in reload itself.
7295 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7297 * reload1.c (verify_initial_offsets): New function.
7298 (reload): Call it after reload_as_needed. Also verify that the frame
7299 size stays constant during reload_as_needed.
7300 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
7302 * reload.h (struct insn_chain): Add need_operand_change element.
7303 * reload1.c (new_insn_chain): Clear it.
7304 (calculate_needs_all_insns): Set it; don't overload need_reload.
7305 (reload_as_needed): Use it.
7307 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
7308 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
7309 and reload_address_index_reg_class.
7310 (find_reloads_address_1): Likewise.
7311 * reload.h (reload_address_base_reg_class,
7312 reload_address_index_reg_class): Don't declare.
7313 * reload1.c (reg_old_renumber, pseudo_previous_regs,
7314 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
7315 (used_spill_regs): Now static.
7316 (reload_address_base_reg_class, reload_address_index_reg_class,
7317 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
7318 basic_block_needs, max_needs, group_size, group_mode, max_groups,
7319 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
7322 (init_reload): Delete code to compute base/index reg classes.
7323 (reload): Delete variable J.
7324 Delete code to manage basic_block_needs.
7325 Don't compute regs_explicitly_used.
7326 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
7327 pseudo_previous_regs.
7328 Initialize bad_spill_regs_global.
7329 Don't call order_regs_for_reload here.
7330 Don't initialize spill_reg_order and n_spills.
7331 Don't forbid explicitly used regs to be used for spill regs.
7332 Change main loop to infinite loop, with explicit break statements.
7333 Make SOMETHING_CHANGED variable local to that loop.
7334 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
7335 max_groups_insn, max_nongroups_insn, group_size, group_mode.
7336 Make sure spilled_speudos is cleared before calling spill_hard_reg or
7338 Don't call dump_needs.
7339 Delete code to reset potential_reload_regs.
7340 Delete code to terminate loop conditional on the global needs variables
7341 showing no further needs.
7342 (calculate_needs_all_insns): Return void. All callers changed.
7343 Initialize somehing_needs_elimination here, not in reload.
7344 Delete avoid_return_reg kludge.
7345 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7346 All callers changed.
7347 Initialize the group_mode and group_size elements of the arg CHAIN.
7348 Delete code to manage basic_block_needs.
7349 Operate on elements of CHAIN instead of global variables.
7350 Delete avoid_return_reg kludge.
7351 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7352 All callers changed.
7353 Operate on elements of CHAIN instead of global variables.
7354 Delete special SMALL_REGISTER_CLASSES code.
7355 Delete spill_failure code; now in new_spill_reg.
7356 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7357 All callers changed.
7358 Operate on elements of CHAIN instead of global variables.
7359 (maybe_mark_pseudo_spilled): New static function.
7360 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7361 All callers changed.
7362 Operate on elements of CHAIN instead of global variables.
7363 Call order_regs_for_reload here, not in reload.
7364 Initialize spill_reg_order and n_spills.
7365 Simplify test whether an asm insn is involved.
7366 Delete spill_failure code; now in new_spill_reg.
7367 Call maybe_mark_pseudo_spilled for everything marked as live in
7368 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7370 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7371 compiler from optimizing this function (now unused) away.
7372 Operate on elements of CHAIN instead of global variables.
7373 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7375 Operate on elements of CHAIN instead of global variables.
7376 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7377 take CHAIN arg. All callers changed.
7378 Operate on elements of CHAIN instead of global variables.
7379 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7380 CHAIN, NONGROUP args. Return void. All callers changed.
7381 Verify caller isn't trying to spill a pseudo.
7382 Simplify test for illegal reg, just use bad_spill_regs.
7383 Generate better error messages.
7384 Operate on elements of CHAIN instead of global variables.
7385 Mark spilled register in CHAIN's used_spill_regs element.
7386 Don't call spill_hard_reg.
7387 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7388 Mark spilled hard regs in bad_spill_regs_global.
7389 Mark affected pseudos in spilled_pseudos, but don't spill them.
7390 (ior_hard_reg_set): New static function.
7391 (finish_spills): Return int. All callers changed.
7392 Compute spill_reg_order, n_spills and spill_regs here. Also update
7393 regs_ever_live for regs used as spills.
7394 For every pseudo in spilled_pseudos, spill it and mark the previous
7395 hard reg it had in pseudo_previous_regs. Compute which hard regs
7396 arseudo): New static function.
7397 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7398 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7399 hard registers explicitly used across the current insn into the set.
7400 Compute hard_reg_n_uses taking only pseudos live across this insn
7402 Tweak sorting of potential_reload_regs.
7403 (compare_spill_regs): Delete function.
7404 (reload_as_needed): Don't sort the spill_regs array, it's computed
7405 in proper order in finish_spills.
7406 Delete avoid_return_reg kludge.
7407 Delete code to manage basic_block_needs.
7408 (allocate_reload_reg): Minor speed/readability tweaks.
7409 Operate on elements of CHAIN instead of global variables.
7410 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7411 Delete avoid_return_reg kludge.
7412 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7413 Delete unused label FAIL.
7414 (reload_combine): Replce reload_address_index_reg_class with
7416 Don't use used_spill_regs to determine information about lifetime of
7419 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7421 * toplev.c (display_help): Ignore empty target specific
7422 options, and if -W is also specified on the command line then
7423 display undocumented options.
7425 * config/arm/arm.c: Updated with changes in devo sources.
7426 * config/arm/arm.h: Updated with changes in devo sources.
7427 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7428 * config/arm/lib1thumb.asm: Add ELF support.
7430 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
7432 * collect2.c (aix64_flag): New variable.
7433 (main, case 'b'): Parse it.
7434 (GCC_CHECK_HDR): object magic number must match mode.
7435 (scan_prog_file): Only check for shared object if valid header.
7436 Print debugging if header/mode mismatch.
7438 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7440 Added support for arm-elf-linux configuration, submitted by Philip
7441 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7442 code developed by Catherine Moore <clm@cygnus.com>. The following
7445 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7448 * configure: Regenerated.
7450 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7451 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7452 definitions conditional on their not having been already defined.
7454 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7455 and .type directives, and add "(PLT)" qualification to function
7458 * config/arm/linux.h: Deleted. This file is now superceeded by
7459 either linux-elf.h or linux-aout.h.
7461 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7462 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7464 Move definitions from old linux.h file here.
7466 * config/arm/elf.h: New file. Generic ARM/ELF support.
7468 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7470 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7472 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7473 using the 26bit APCS.
7475 * config/arm/unknown-elf.h: New file. Support for OS'es other
7476 than Linux with ELF.
7478 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7481 * config/arm/coff.h: Include aout.h for basic assembler macros.
7482 Add support for -mstructure_size_boundary=<n> command line option.
7484 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7485 command line option. Make macro definitions conditional on their
7486 not having been already defined.
7488 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7489 command line option.
7492 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7494 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7495 has been changed to not include a newline. Use this macro instead.
7496 (output_enumeral_list, const_value_attribute, name_attribute,
7497 comp_dir_attribute, prototyped_attribute, producer_attribute,
7498 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7499 dwarfout_file_scope_decl, generate_new_sfname_entry,
7500 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7501 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7503 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7505 * combine.c (subst): Process the inputs to a parallel asm_operands
7508 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7510 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7512 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7514 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7516 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7518 * version.c: Bump for snapshot.
7520 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7522 * stmt.c (expand_fixup): Set fixup->before_jump to a
7523 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7525 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7527 * Makefile.in (recog.o): Depend on toplev.h.
7528 (insn-emit.o): Depend on recog.h.
7529 (insn-peep.o): Depend on recog.h and insn-config.h.
7531 * combine.c (simplify_set): Remove unused variable `scratches'.
7533 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7534 and `idx' in macro conditional controlling their use.
7536 * genemit.c (main): Make the generated output file include
7537 recog.h. Don't have it declare `insn_operand_constraint', since
7538 we get it from recog.h.
7540 * genpeep.c (main): Make the generated output file include
7541 insn-config.h and recog.h.
7543 * recog.c: Include toplev.h.
7544 (extract_insn): Remove unused variable `p'.
7546 * regclass.c (fix_register): Add missing braces around initializer
7548 (allocate_reg_info): Move variable `i' into the scope where it is
7549 used. Change its type to `size_t'.
7551 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7553 * reload.c (push_reload): When merging reloads, make sure
7554 that reload_in_reg and reload_in are from the same reload in
7557 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7559 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7560 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7562 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
7564 * loop.c (loop_has_tablejump): New variable.
7565 (prescan_loop): Scan for it.
7566 (insert_bct): Replace explicit scan with use of it.
7567 * regclass.c (regclass): Restore loop variable j.
7568 (record_reg_classes): Deterine op_types modifiers and initialize
7569 classes[i] before matching constraints. Handle matching
7572 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7574 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7577 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7579 * mips.h (EXTRA_SPECS): Add missing initializers.
7581 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7583 * sparc.h (EXTRA_SPECS): Add missing initializers.
7584 (sparc_defer_case_vector): Provide a prototype.
7586 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7587 comparing it to the result of a pointer subtraction.
7589 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7591 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7592 the argument to (unsigned char).
7594 * alpha.h (EXTRA_SPECS): Add missing initializers.
7595 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7598 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7600 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7601 (propagate_block): Delete dead code after reload.
7603 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7604 back Oct 15, 1998 change.
7605 * haifa-sched.c (update_flow_info): Likewise.
7606 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7608 * mn10200.md (truncated shift): Accept constant inputs too.
7610 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7612 * machmode.h (mode_mask_array): No longer const.
7613 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7615 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7617 * frame.c: Somewhat explain `FDE'.
7618 Suggested by Brendan Kehoe
7620 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7622 * expr.c (pending_chain): Move up.
7623 (save_expr_status): Do save pending_chain.
7624 (restore_expr_status): And restore it.
7625 * function.h (struct function): Add pending_chain.
7627 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7629 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7630 did not match the code.
7632 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7634 * regclass.c (regclass): Break out some code into new function
7635 scan_one_insn, and into regclass_init.
7636 (init_cost): New static variable, moved out of regclass.
7637 (regclass_init): Initialize it here, not in .
7638 (scan_one_insn): New static function, broken out of regclass.
7639 * recog.c (apply_change_group): Break out some code into new
7640 function insn_invalid_p.
7641 (insn_invalid_p): New static fn, broken out of apply_change_group.
7643 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7645 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7646 reg_reloaded_contents matches incremented pseudo.
7648 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7650 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7652 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7653 addressing modes with side effects. These are currently
7654 placeholders for the C4x target.
7656 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7658 * loop.c (express_from): Make sure that when generating a PLUS of
7659 a PLUS, any constant expression appears on the outermost PLUS.
7661 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7663 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7664 works if "$(srcdir)" != ".".
7666 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7668 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7669 existing SUBREG if we can, otherwise abort.
7671 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7673 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7674 `restrict' is applied to a non-pointer variable.
7676 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7678 * invoke.texi: Document -flang-isoc9x.
7680 * Makefile.in (OBJS): Add splay-tree.o.
7681 (c-common.o): Depend on rtl.h.
7682 (splay-tree.o): List dependencies and provide build rule.
7684 * rtl.h (record_alias_subset): New function.
7685 * alias.c: Include splay-tree.h.
7686 (alias_set_entry): New type.
7687 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7688 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7689 (mems_in_disjoin_alias_sets_p): New function.
7690 (alias_set_compare): Likewise.
7691 (insert_subset_children): Likewise.
7692 (get_alias_set_entry): Likewise.
7694 * tree.h (TYPE_RESTRICT): New macro.
7695 (TYPE_UNQUALIFIED): New manifest constant.
7696 (TYPE_QUAL_CONST): Likewise
7697 (TYPE_QUAL_VOLATILE): Likewise.
7698 (TYPE_QUAL_RESTRICT): Likewise.
7699 (tree_type): Add restrict_flag. Reduce count of free bits.
7700 (DECL_POINTER_ALIAS_SET): New macro.
7701 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7702 (tree_decl): Add pointer_alias_set.
7703 (build_qualified_type): New function.
7704 (build_type_variant): Define in terms of build_qualified_type.
7705 * tree.c (set_type_quals): New function.
7706 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7707 (build_type_attribute_variant): Use build_qualified_type and
7709 (build_type_variant): Rename, and modify, to become...
7710 (build_qualified_type): New function.
7711 (build_complex_type): Use set_type_quals.
7713 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7714 (C_TYPE_FUNCTION_P): Likewise.
7715 (C_TYPE_INCOMPLETE_P): Likewise.
7716 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7717 (c_apply_type_quals_to_decl): New function.
7718 (c_build_qualified_type): New function.
7719 (c_build_type_variant): Define in terms of c_build_qualified_type.
7720 (flag_isoc9x): Declare.
7721 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7722 (common_type): Change to use TYPE_QUALS.
7723 (comptypes): Likewise.
7724 (convert_for_assignment): Likewise.
7725 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7726 * c-decl.c (flag_isoc9x): Define.
7727 (c_decode_option): Handle -flang-isoc9x.
7728 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7729 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7730 * c-lex.c (init_lex): Deal with restrict.
7731 (init_lex): Don't treat restrict as a reserved word in
7732 -traditional mode, or without -flang-isoc9x.
7733 * c-lex.h (rid): Add RID_RESTRICT.
7734 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7735 equivalent to RID_RESTRICT.
7736 * c-parse.in (TYPE_QUAL): Update comment.
7737 * c-common.c: Include rtl.h.
7738 (c_find_base_decl): New function.
7739 (c_build_type_variant): Rename, and modify, to become ...
7740 (c_build_qualified_type): New function.
7741 (c_apply_type_quals_to_decl): Likewise.
7742 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7743 a particular alias set for the reference.
7744 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7746 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7748 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7749 command line switches.
7751 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7753 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7756 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7758 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7760 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7762 * regclass.c (fix_register): Add error message.
7763 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7766 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7768 * c-decl.c (warn_missing_noreturn): New global variable.
7769 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7770 (finish_function): Implement missing noreturn warning.
7772 * c-tree.h (warn_missing_noreturn): Declare extern.
7774 * invoke.texi: Document new flags.
7776 * toplev.c (documented_lang_options): Add description.
7778 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7780 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7781 loop optimization stable for the C4x.
7782 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7783 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7784 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7786 (c4x_address_conflict): Be more paranoid when packing a volatile
7787 memref in a parallel load/store.
7789 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7791 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7792 repeat_block_filler): Deleted.
7793 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7794 Condition code not set if destination register from 'c' class.
7795 (*subbqi3_carry_clobber): Fix typo.
7797 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7799 * reorg.c (steal_delay_list_from_target) Check for insns that
7800 modify the condition codes and effect the direction of the jump
7803 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7805 * function.c (purge_addressof_1): Replace call to
7806 emit_insns_before() with emit_insn_before().
7808 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7810 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7812 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7814 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7816 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7818 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7819 clobbered across calls.
7821 * loop.c (scan_loop): Be more selective about what invariants are
7822 moved out of a loop.
7824 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7826 * version.c: Bump for snapshot.
7828 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7830 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7831 static eh_context structure.
7833 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7835 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7837 (try_combine): Don't update max_scratch.
7838 * flow.c (max_scratch, num_scratch): Delete variables.
7839 (life_analysis_1): Don't initialize max_scratch.
7840 (propagate_block): Don't update max_scratch.
7841 (mark_set_1): Don't increment num_scratch.
7842 * regs.h (max_scratch): Delete declaration.
7844 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
7846 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
7847 is nonzero. This is temporary!
7849 * sched.c (update_flow_info): Handle death notes made invalid by
7850 instruction splitting. Partially reverts Oct 15, 1998 patch.
7851 * haifa-sched.c (update_flow_info): Likewise.
7853 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
7855 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
7856 if it has a nonzero DECL_INITIAL.
7858 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7860 * Makefile.in (flow.o): Depend on recog.h.
7862 * cpplib.h (directive_table): Add missing initializiers.
7863 (finclude): Change type of variable `bsize' to size_t.
7865 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
7867 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
7869 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
7870 `int' when comparing against one.
7871 (cpp_file_line_for_message): Mark parameter `pfile' with
7873 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
7875 * flow.c: Include recog.h.
7876 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
7878 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
7879 `f' with ATTRIBUTE_UNUSED.
7880 (reposition_prologue_and_epilogue_notes): Likewise.
7882 * genopinit.c (gen_insn): Cast argument of ctype functions to
7885 * haifa-sched.c: Include recog.h.
7886 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
7887 comparing against one.
7889 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
7891 * mips-tfile.c (parse_end): Cast the argument of ctype function to
7893 (parse_ent): Likewise.
7894 (parse_input): Likewise.
7896 * optabs.c (init_libfuncs): Likewise.
7898 * protoize.c (find_rightmost_formals_list): Likewise.
7900 * recog.h (const_double_operand): Fix typo in prototype.
7902 * tlink.c (scan_linker_output): Cast the argument of ctype
7903 function to `unsigned char'.
7905 * toplev.c (check_lang_option): Cast the result of `strlen' to
7906 `int' when comparing against one.
7908 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7910 * gcse.c (dump_cuid_table): Correct typo.
7912 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7914 * toplev.c (display_help): Prepend '-m' to target specific
7916 (check_lang_option): Ignore text after end of first word of a
7917 language specific option.
7919 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7921 * reload1.c (reg_used_by_pseudo): New static variable.
7922 (choose_reload_regs): Initialize it.
7923 Use it instead of testing spill_reg_order to determine whether a
7924 pseudo is live in a hard register across the current insn.
7925 Fix a typo in a reference to reload_reg_rtx.
7927 * flow.c (propagate_block): Replace code that computes and uses
7928 regs_sometimes_live with simpler code that just walks the set of
7929 currently live registers.
7931 * Makefile.in (insn-extract.o): Fix dependencies.
7932 * genextract.c (main): Generate includes for insn-config.h and
7934 Delete generation of declarations which are now in recog.h.
7935 * genrecog.c (main): Delete generation of definitions which are
7937 * local-alloc.c (block_alloc): Use extract_insn and the variables
7938 it sets up instead of looking up values by insn_code.
7939 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7940 recog_dup_num): Define here instead of generating the definition in
7942 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7943 recog_operand_mode, recog_constraints, recog_operand_address_p):
7945 (extract_insn): New function.
7946 * recog.h (extract_insn): Declare function.
7947 (which_alternative, recog_n_operands, recog_n_dups,
7948 recog_n_alternatives, recog_operand_mode, recog_constraints,
7949 recog_operand_address_p): Declare variables.
7950 * regclass.c (n_occurrences): New static function.
7951 * reload.c (n_occurrences): Delete function.
7952 (find_reloads): Use extract_insn.
7953 * reload.h (n_occurrences): Delete declaration.
7955 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
7957 * reload1.c (reload_as_needed): Fix test for when to call
7958 update_eliminable_offsets.
7960 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7962 Fix consistency problems with reg_equiv_{mem,address};
7963 Improve reload inheritance;
7965 * reload.c (reload_out_reg): New variable.
7966 (loc_mentioned_in_p, remove_address_replacements): New functions.
7967 (remove_replacements): Deleted.
7968 (push_reload): Set reload_out_reg[i].
7969 When merging, also set reload_{in,out}_reg[i], and remove
7970 duplicate address reloads.
7971 (combine_reloads): Copy reload_out_reg[i].
7972 (find_reloads): Do make_memloc substitution also when
7973 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7975 Include *recog_operand_loc in commutativity operand changes.
7976 Generate optional output reloads.
7977 Delete reference to n_memlocs. Don't set *recog_operand_loc before
7978 processing operands. Call make_memloc in reg_equiv_address code.
7979 Set *recog_operand_loc only after processing operands, and only
7980 if replace is true. Return a value.
7981 When changing address reload types for operands that didn't get
7982 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
7983 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
7984 Don't emit USEs for pseudo SUBREGs when not replacing.
7985 (find_reloads_address): Do make_memloc substitution also when
7986 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7988 (find_reloads_toplev): Likewise.
7989 Call make_memloc in reg_equiv_address code.
7990 (debug_reload_to_stream): Add code to output reload_out_reg.
7991 (make_memloc): Delete local variable i, ifdefed out code, and
7992 references to memlocs and n_memlocs.
7993 (memlocs, n_memlocs): Delete.
7994 (push_secondary_reload): Clear reload_out_reg.
7995 (find_reloads_address_1): Provide memrefloc argument to all calls
7996 to find_reloads_address.
7997 In AUTO_INC code, handle non-directly addressable equivalences properly.
7998 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
7999 (find_reloads): Add return type.
8000 (remove_address_replacements, deallocate_reload_reg): Declare.
8001 * reload1.c (num_not_at_initial_offset): No longer static.
8002 (delete_address_reloads, delete_address_reloads_1): Likewise.
8003 (deallocate_reload_reg): New function.
8004 (spill_reg_stored_to): New array.
8005 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
8006 (eliminate_regs_in_insn): Move assignments of previous_offset and
8007 max_offset fields, and recalculation of num_not_at_initial_offset
8008 into new static function:
8009 (update_eliminable_offsets) .
8010 (reload_as_needed): Call update_eliminable_offsetss after calling
8012 Call forget_old_reloads_1 with contents of reloaded auto_inc
8013 expressions if the actual addressing can't be changed to match the
8015 (choose_reload_regs): For inheritance, replace
8016 reload_reg_free_before_p test with reload_reg_used_at_all test, and
8017 remove stand-alone reload_reg_used_at_all test.
8018 Use reload_out_reg to determine which reload regs have output reloads.
8019 Treat reload_override_in more similar to inherited reloads.
8020 Handle (subreg (reg... for inheritance.
8021 For flag_expensive_optimizations, add an extra pass to remove
8022 unnecessary reloads from known working inheritance.
8023 Delete obsolete code for pseudos replaced with MEMs.
8024 Handle inheritance from auto_inc expressions.
8025 (emit_reload_insns): If reload_in is a MEM, set OLD to
8027 Don't reload directly from oldequiv; if it's a pseudo with a
8028 stack slot, use reload_in[j].
8029 Check that reload_in_reg[j] is a MEM before replacing reload_in
8030 from reg_reloaded_contents.
8031 Include non-spill registers in reload inheritance processing.
8032 Also try to use reload_out_reg to set spill_reg_store /
8033 reg_last_reload_reg.
8034 In code to set new_spill_reg_store, use single_set to find out if
8035 there is a single set.
8036 Add code that allows to delete optional output reloads.
8037 Add code to allow deletion of output reloads that use no spill reg.
8038 At the end, set reload_override_in to oldequiv.
8039 Also call delete_output_reload if reload_out_reg is equal to old
8041 Add code to call delete_output_reload for stores with no matching load.
8042 Set / use spill_reg_stored_to.
8043 Handle case where secondary output reload uses a temporary, but
8044 actual store isn't found.
8045 When looking for a store of a value not loaded in order to call
8046 delete_output_reload, count_occurences should return 0 for no
8047 loads; but discount inherited input reloadill_reg_stored_to.
8048 Do checks for extra uses of REG. Changed all
8050 Use delete_address_reloads.
8051 (reload): Take return value of find_reloads into account.
8052 If a no-op set needs more than one reload, delete it.
8053 (reload_reg_free_before_p): RELOAD_FOR_INPUT
8054 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
8055 for the same operand.
8056 (clear_reload_reg_in_use): Check for other reloads that keep a
8058 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
8059 RELOAD_FOR_OPADDR_ADDR.
8060 Take into account when an address address reload is only needed
8061 for the address reload we are considering.
8062 (count_occurrences): Use rtx_equal_p for MEMs.
8063 (inc_for_reload): Return instruction that stores into RELOADREG.
8064 New argument two, IN, and rtx. Changed all callers.
8065 (calculate_needs_all_insns, reload_as_needed):
8066 Don't clear after_call for a CLOBBER.
8067 Keep track of how many hard registers need to be copied from
8068 after_call, and don't clear after_call before we have seen
8069 that much copies, or we see a different instruction.
8071 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
8073 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
8074 after reload has completed.
8076 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
8078 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
8079 a macro name and the next token with a single blank if that whitespace
8080 is in a macro buffer and the next token is not '('.
8082 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
8084 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
8086 (skip_if_group): Ditto.
8087 (skip_to_end_of_comment): Ditto.
8089 (discard_comments): Ditto.
8090 (change_newlines): Ditto.
8092 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
8094 * c-lex.c (yylex): Fix unaligned access of wchar_t.
8096 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
8098 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
8099 (TARGET_OPTIONS): Add --help documentation.
8101 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8103 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
8105 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
8107 * fixinc/* Moved in from ../contrib directory in preparation
8108 for integrating it into the normal build process. In particular,
8109 fixinc/Makefile.in must be config-ed into the build directory
8110 as fixinc/Makefile. Proposed patches to ./Makefile.in and
8111 ./configure.in will be "in the mail" momentarily.
8113 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
8115 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
8116 accidently walk into the free list. Comment how that can happen.
8117 (invalidate): Fix indentation.
8119 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8120 Jeffrey A Law (law@cygnus.com)
8122 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
8123 reload. Never perform rescans of the insn chain after reload.
8124 (propagate_block): Do not delete insn or create new autoinc addressing
8127 * jump.c (jump_optimize): Unconditionally use the code that was
8128 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
8129 * reload1.c (reload): When reloading is finished, delete all
8130 REG_DEAD and REG_UNUSED notes.
8131 (emit_reload_insns): Delete all code that was conditional on
8132 PRESERVE_DEATH_INFO_REGNO_P.
8133 (no_longer_dead_regs): Delete variable.
8134 (reload_cse_delete_death_notes): Delete function.
8135 (reload_cse_no_longer_dead): Delete function.
8136 (reload_cse_regs_1): Delete all code to handle deletion of death
8138 (reload_cse_noop_set_p): Likewise.
8139 (reload_cse_simplify_set): Likewise.
8140 (reload_cse_simplify_operands): Likewise.
8141 (reload_cse_move2add): Likewise.
8142 * reorg.c (used_spill_regs): Delete declaration.
8143 (max_label_num_after_reload): Delete declaration.
8144 (find_dead_or_set_registers): Don't assume that spill regs are
8145 dead at a CODE_LABEL.
8146 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
8148 * sched.c (sched_analyze_insn): Likewise.
8149 (update_flow_info): Likewise.
8150 * haifa-sched.c (sched_analyze_insn): Likewise.
8151 (update_flow_info): Likewise.
8152 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
8153 * toplev.c (max_label_num_after_reload): Delete variable.
8154 (rest_of_compilation): Don't set max_label_num_after_reload.
8155 Call life_analysis after reload_cse_regs if optimizing.
8156 * config/gmicro/gmicro.h: Delete comment referring to
8157 PRESERVE_DEATH_INFO_REGNO_P.
8158 * config/i386/i386.h: Likewise.
8159 * config/m88k/m88k.h: Likewise.
8160 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
8161 * config/sh/sh.h: Likewise.
8163 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
8165 * loop.c (strength_reduce): Restore marking bct_p as
8167 * rs6000.c (optimization_options): Change #ifdef HAIFA to
8168 HAVE_decrement_and_branch_on_count.
8169 (small_data_operand): Remove TARGET_ELF condition for marking
8170 parameters ATTRIBUTE_UNUSED.
8172 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
8174 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
8175 (SELECT_SECTION): Resync with svr4.h.
8177 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
8179 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
8182 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
8184 * c-pragma.c (handle_pragma_token): Test for null tree before
8185 dereferencing TREE_CODE.
8187 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8189 * config/c4x/c4x.c: Convert to use GEN_INT.
8190 (c4x_parallel_process): Rework to handle new repeat loop structure.
8192 * config/c4x/c4x.md: Convert to use GEN_INT.
8193 (rptb_end): Convert to use GE test. Replace uses with clobbers.
8194 (decrement_and_branch_on_count): Likewise.
8196 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
8197 loop.c has the desired functionality.
8198 (rc_reg_operand): New prototype.
8200 * config/c4x/t-c4x: Can now build all front ends.
8202 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
8204 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
8206 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
8208 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
8209 * config/t-rtems: Do not install assert.h -- use newlib's.
8211 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8213 * combine.c (combine_instructions): When finished, call init_recog.
8214 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
8216 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
8218 * toplev.c: If flag_syntax_only, don't open or write assembler file.
8220 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8222 * cppalloc.c (memory_full): Mark function prototype with
8225 * demangle.h (collect_exit): Likewise.
8227 * fix-header.c (v_fatal, fatal): Likewise.
8229 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
8232 * gcov.c (print_usage): Likewise.
8234 * genattr.c (fatal, fancy_abort): Likewise.
8236 * genattrtab.c (fatal, fancy_abort): Likewise.
8238 * gencodes.c (fatal, fancy_abort): Likewise.
8240 * genconfig.c (fatal, fancy_abort): Likewise.
8242 * genemit.c (fatal, fancy_abort): Likewise.
8244 * genextract.c (fatal, fancy_abort): Likewise.
8246 * genflags.c (fatal, fancy_abort): Likewise.
8248 * genopinit.c (fatal, fancy_abort): Likewise.
8250 * genoutput.c (fatal, fancy_abort): Likewise.
8252 * genpeep.c (fatal, fancy_abort): Likewise.
8254 * genrecog.c (fatal, fancy_abort): Likewise.
8256 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
8257 __sjpopnthrow, __throw): Likewise.
8259 * objc/objc-act.c (objc_fatal): Likewise.
8261 * protoize.c (usage, aux_info_corrupted,
8262 declare_source_confusing): Likewise.
8264 * rtl.c (dump_and_abort): Likewise.
8266 * rtl.h (sets_cc0_p): Likewise.
8268 * toplev.c (float_signal, pipe_closed): Likewise.
8270 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8272 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
8273 when generating the decision tree for the general case.
8275 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
8276 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
8278 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8280 * Makefile.in (sched.o): Depend on recog.h.
8282 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
8283 (unsigned) when comparing against one.
8284 (find_base_value): Likewise.
8285 (record_base_value): Cast variable `regno' to (unsigned) when
8286 comparing against one. Cast the result of REGNO() macro to
8287 (unsigned) when comparing against one.
8288 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
8290 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
8291 variable where an unsigned index is needed.
8293 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
8294 before comparing against one.
8296 * collect2.c: Add prototypes for functions `error', `fatal' and
8297 `fatal_perror'. Make these functions take variable arguments
8298 instead of faking it with a fixed number of args.
8299 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
8302 * combine.c (can_combine_p): Mark parameter `pred' with
8304 (find_split_point): Cast variable `src' to (unsigned
8305 HOST_WIDE_INT) when comparing against one.
8306 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
8307 (simplify_logical): Likewise.
8308 (force_to_mode): Cast result of INTVAL() macro to (unsigned
8309 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
8310 HOST_WIDE_INT) in shift.
8311 (simplify_and_const_int): Cast result of INTVAL() macro to
8312 `unsigned HOST_WIDE_INT' when comparing against one.
8313 (merge_outer_ops): Cast variable const0 to `unsigned
8314 HOST_WIDE_INT' when comparing against the result of
8315 GET_MODE_MASK() macro.
8316 (simplify_comparison): Likewise for variable `c0'. Cast variable
8317 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
8318 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
8319 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
8320 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
8321 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
8322 comparing against one.
8323 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
8325 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
8326 macro to `unsigned HOST_WIDE_INT' when comparing against one.
8327 (output_block_move): Cast `sizeof' expression to (int) when
8328 comparing against one.
8329 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
8331 (save_restore_insns): Cast `base_offset' to `long' to match format
8332 specifier in fprintf.
8334 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
8335 to `enum machine_mode'.
8337 * flow.c (life_analysis_1): Remove unused variable `insn'.
8339 * gcc.c (translate_options): Move variables `j' and `k' into the
8340 scope in which they are used. Change their types to `size_t'.
8341 (set_spec): Cast the argument of ctype macro to `unsigned char'.
8342 (read_specs): Likewise.
8343 (process_command): Cast `sizeof' to (int) when comparing against one.
8344 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8345 (handle_braces): Cast both sides of `==' expression to `long' to
8346 ensure sign matching.
8347 (main): Cast variable `i' to `int' when comparing against one.
8349 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8350 int to size_t. Cast variable `i' to size_t when comparing against
8353 * genattrtab.c (convert_set_attr_alternative): Remove unused
8354 parameter `insn_code'. All callers changed.
8355 (convert_set_attr): Likewise.
8357 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8358 size_t when comparing against one. Likewise for variable `len'.
8360 * global.c (global_alloc): Cast variable `max_regno' to size_t
8361 when comparing against one. Likewise for variable `max_allocno'.
8363 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8365 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8366 `set' with ATTRIBUTE_UNUSED.
8367 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8370 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8371 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8372 (get_condition): Cast variable `const_val' to `unsigned
8373 HOST_WIDE_INT' when comparing against one. Cast unsigned
8374 expression to HOST_WIDE_INT when comparing against one.
8375 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8376 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8377 `unsigned' when comparing against one.
8379 * protoize.c (is_id_char): Change type of parameter `ch' to
8381 (munge_compile_params): Cast argument of ctype macro to (const
8383 (process_aux_info_file): Cast variable `aux_info_size' to int when
8384 comparing against one.
8385 (forward_to_next_token_char): Cast argument of ctype macro to
8386 `const unsigned char'.
8387 (edit_formals_lists): Likewise.
8388 (find_rightmost_formals_list): Likewise.
8389 (add_local_decl): Likewise.
8390 (add_global_decls): Likewise.
8391 (edit_fn_definition): Likewise.
8392 (do_cleaning): Likewise.
8393 (scan_for_missed_items): Likewise.
8394 (edit_file): Cast variable `orig_size' to (int) when comparing
8396 (main): Cast argument of ctype macro to `const unsigned char'.
8398 * recog.c (const_int_operand): Mark parameter `mode' with
8401 * regclass.c (record_reg_classes): Change type of variable `c' to
8402 `unsigned char'. Cast `char' array index to `unsigned char'.
8404 * reload.c (push_secondary_reload): Cast argument to
8405 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8407 * reload1.c (calculate_needs): Cast `char' array index to
8409 (set_label_offsets): Change type of variable `i' to unsigned int.
8410 Cast result of XVECLEN() macro to unsigned when comparing against
8412 (mark_not_eliminable): Change type of variable `i' to unsigned.
8413 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8414 when comparing against one.
8415 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8416 comparing against one.
8417 (choose_reload_regs): Hide unused label `fail'.
8418 (reload_cse_simplify_operands): Cast `char' array index to
8420 (reload_combine_note_store): Mark parameter `set' with
8421 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8423 (reload_cse_move2add): Remove unused variable `src2'.
8425 * sched.c: Include recog.h.
8426 (sched_note_set): Remove unused parameter `b'. All callers
8428 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8429 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8430 when comparing against one.
8432 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8433 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8434 comparing against one.
8436 * unroll.c (precondition_loop_p): Remove unused parameter
8437 `loop_end'. All callers changed.
8439 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8441 * reload1.c (maybe_fix_stack_asms): New static function.
8444 * reload.h (compute_use_by_pseudos): Declare.
8446 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8447 (something_needs_reloads): Delete variable.
8448 (finish_spills): New function.
8449 (compute_use_by_pseudos): New function.
8451 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8452 Use the reload_insn_chain instead of walking the rtl directly.
8454 (reload): Allocate and free spilled_pseudos.
8455 Ensure that all calls of spill_hard_reg are followed by a call to
8457 Use the insns_need_reload list instead of something_needs_reloads
8458 to find out if reload_as_needed must be called.
8459 Clear unused_insn_chains at the end.
8461 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8463 Delete code to keep track of current basic block.
8464 Walk reload_insn_chain instead of the rtl structure. Build the
8465 insns_need_reload chain.
8466 Remember which insns need reloading/elimination by setting the
8467 appropriate fields in struct insn_chain, not by putting modes on the
8470 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8471 arg INSN. All callers changed.
8472 Delete declaration of struct needs.
8473 Don't set something_needs_reloads.
8474 Record insn needs in the CHAIN argument.
8476 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8478 (reload_as_needed): Lose FIRST arg. All callers changed.
8479 Walk the reload_insn_chain instead of the rtx structure.
8480 Delete code to keep track of current basic block.
8481 Rename one of the NEXT variables to OLD_NEXT.
8483 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8485 (choose_reload_regs): Likewise.
8487 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8490 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8491 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8492 (hard_regs_live, hard_regs_need_restore): Delete variables.
8493 (n_regs_saved): Now static.
8494 (referenced_regs, this_insn_sets): New variables.
8496 (setup_save_areas): Restructure the code a bit.
8498 (restore_referenced_regs): Delete function.
8499 (mark_referenced_regs): New function, similar to the old
8500 restore_referenced_regs, but mark registers in referenced_regs.
8502 (clear_reg_live): Delete function.
8503 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8504 Only mark registers in this_insn_sets.
8506 (save_call_clobbered_regs): Rework this function to walk the
8507 reload_insn_chain instead of using the list of instructions directly.
8508 Delete code to keep track of register lives, compute live regs on the
8509 fly from information in the chain.
8510 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8511 then walk the set it computes and call insert_restore as appropriate.
8513 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8515 Restructure the code a bit. Test hard_regs_saved instead of
8516 hard_regs_need_restore.
8517 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8518 args. All callers changed.
8519 Restructure the code a bit. Use TO_SAVE to determine which regs to
8520 save instead of more complicated test.
8521 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8523 Create a new insn_chain structure for the new insn and place it
8526 * rtl.texi: Update documentation to reflect that reload no longer
8527 puts modes on the insns.
8529 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8531 * function.c (purge_addressof_1): Force the first argument of a
8532 CALL insn to memory.
8534 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8536 * rtl.h: Delete duplicate prototypes. Add some missing
8538 * rtlanal.c: (for_each_rtx): Formatting tweak.
8540 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8542 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8543 to be compatible with TI compiler.
8545 * Makefile.in (USER_H): Add va-c4x.h to definition.
8547 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8549 * function.c (purge_addressof_1): Fix typo in inequality: do
8550 bitfield optimization for equal mode sizes.
8551 * expmed.c (store_bit_field): Don't take subregs of subregs in
8552 the movstrict case. Tidy a potential problem in the multi-word case.
8553 (extract_bit_field): Likewise.
8555 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8557 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8559 Compute max_uid_for_flow by calling get_max_uid after the scan.
8560 (find_basic_blocks_1): Don't emit NOPs here.
8562 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8564 * alias.c (base_alias_check): Accept new args for the modes of the
8565 two references. Use them to determine if an AND can overlap. Update
8567 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8568 to determine if an AND can overlap.
8570 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8572 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8573 check. Add comment to document problems with TARGET_SUN_FPA version
8575 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8577 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8579 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8581 * c-common.c (print_char_table): Add missing initializers.
8582 (scan_char_table): Likewise.
8583 (time_char_table): Likewise.
8585 * c-decl.c (c_decode_option): Mark parameter `argc' with
8587 (declare_parm_level): Mark parameter `definition_flag' with
8590 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8591 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8594 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8596 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8598 (expand_call): Cast result of MIN() to (unsigned int) when
8599 comparing against an unsigned value.
8601 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8603 (make_definition): Remove unused parameter `op'. All callers
8605 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8606 comparing against the result of pointer arithmetic.
8608 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8609 when comparing against one.
8611 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8612 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8614 (output_die): Move variable `i' into the scope in which it is
8615 used. Change its type to `unsigned'.
8616 (output_die): Cast the result of `strlen' to (int) when passing it
8617 to ASM_OUTPUT_ASCII().
8618 (output_pubnames): Likewise.
8619 (output_line_info): Likewise.
8621 * emit-rtl.c (global_rtl): Add missing initializers.
8623 * explow.c (promote_mode): Mark parameter `for_call' with
8626 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8627 `unsigned HOST_WIDE_INT' when comparing against one.
8628 (synth_mult): Change type of variable `cost' to int.
8629 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8631 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8632 when comparing against one.
8633 (get_inner_reference): Change variable `alignment' to unsigned.
8634 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8635 int) when comparing against one.
8636 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8638 * fold-const.c (div_and_round_double): Cast BASE to
8639 (HOST_WIDE_INT) when comparing against one.
8641 * gencheck.c: Include gansidecl.h.
8642 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8644 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8645 `tcode' with ATTRIBUTE_UNUSED.
8647 * real.c (edivm): Cast constant value to (unsigned long) in
8648 expression compared against an unsigned value.
8650 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8651 comparing against one.
8652 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8653 when comparing against one.
8655 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8656 (unsigned int) when comparing against one. Likewise for
8658 (smallest_mode_for_size): Likewise.
8659 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8660 (restore_storage_status): Likewise.
8662 * toplev.c (debug_args): Add missing initializer.
8663 (f_options): Spelling correction. Add missing initializers.
8664 (documented_lang_options): Likewise.
8665 (debug_end_source_file): Mark parameter `lineno' with
8668 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8669 `decl' and `type' with ATTRIBUTE_UNUSED.
8671 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8672 when comparing against one.
8673 (assemble_variable): Mark parameter `top_level' with
8675 (assemble_external_libcall): Mark parameter `fun' with
8677 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8680 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8682 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8683 Replace use of r5 with use of r19.
8685 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8687 * config/v850/v850.c (compute_register_save_size): Allow for the
8688 fact that helper functions save all registers, not just those used
8691 Replace constant 31 with macro LINK_POINTER_REGNUM.
8693 * config/v850/v850.md: Use 'indirect_operand' rather than
8694 'memory_operand' for bit test/set/clear patterns.
8696 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8698 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8699 * varasm.c (assemble_start_function et al): Don't call
8700 ASM_GLOBALIZE_LABEL for weak symbols.
8702 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8704 * cse.c (equiv_constant): Check for NULL return from
8705 gen_lowpart_if_possible().
8707 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8709 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8711 * collect2.c (main): Pass -EL/-EB through to the compiler.
8713 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8715 * expr.c (push_block): Handle targets where the stack grows
8716 to higher addresses, but args grow to lower addresses and
8717 ACCUMULATE_OUTGOING_ARGS is not defined.
8719 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8721 * config/v850/v850.c (print_operand): Extend meaning
8722 of 'c' operands to support .vtinherit.
8724 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8726 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8727 Added ATTRIBUTE_UNUSED to unused function arguments.
8728 (rc_reg_operand): New predicate.
8729 (c4x_rptb_insert): New function.
8730 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8731 (c4x_optimization_options): New function.
8733 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8734 (decrement_and_branch_on_count): New pattern.
8735 (rptb_top): Modified pattern to work with BCT optimization.
8737 * config/c4x/c4x.h (RC_REG): New register class.
8738 (rc_reg_operand): Define prototype.
8739 (IS_RC_REG): New macro.
8740 (IS_RC_OR_PSEUDO_REG): New macro.
8741 (IS_RC_OR_PSEUDO_REGNO): New macro.
8742 (OPTIMIZATION_OPTIONS): Define.
8744 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8746 * collect2.c (extract_init_priority): No priority is 65535.
8748 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8750 * Makefile.in (build_tooldir): new variable, same as old
8751 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8752 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8753 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8755 * configure.in (gxx_include_dir): set default based on unlibsubdir
8756 * Makefile.in (tooldir): ditto
8757 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8758 gxx_include_dir, includedir and tooldir
8759 (protoize.o, unprotoize.o): ditto
8761 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8763 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8765 * config/arm/thumb.c (thumb_override_options): Add warning about
8766 PIC code not being supported just yet.
8768 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8770 * flow.c: Update comment.
8771 (notice_stack_pointer_modification): New static function.
8772 (record_volatile_insns): Use it.
8773 (mark_regs_live_at_end): Mark the stack pointer as alive
8774 at the end of the function if current_function_sp_is_unchanging
8776 (life_analysis_1): Set current_function_sp_is_unchanging.
8777 * function.c: Define it.
8778 (init_function_start): Initialize it.
8779 * output.h: Declare it.
8780 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8781 the stack pointer as alive at the end of the function if
8782 current_function_sp_is_unchanging is set.
8783 * i386.c (ix86_epilogue): Optimize the restoring
8784 of the stack pointer.
8786 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8788 * version.c: Bump for snapshot.
8790 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8792 * c-pragma.c (handle_pragma_token): If passed a token instead
8793 of a tree, use that as the pack value.
8795 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8797 * flow.c (find_basic_blocks_1): Fix prototype.
8799 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8801 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8802 (struct tree_decl): New fields no_check_memory_usage.
8803 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8804 (init_attributes): Register it as a new attribute.
8805 (decl_attributes): Set flags on functions given that attribute.
8806 * c-decl.c (duplicate_decls): Merge new attribute.
8807 * expr.h (current_function_check_memory_usage): Declare new var.
8808 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8809 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8810 current_function_check_memory_usage.
8811 * function.h: Add field to struct function.
8812 * function.c (current_function_check_memory_usage): Define it.
8813 (push_function_context_to, pop_function_context_from): Save and
8815 (expand_function_start): Set it, based on global flag and function
8818 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8819 check non-automatic variables, to permit detection of writes to
8820 read-only locations in embedded systems without memory management.
8821 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8822 when emitting chkr_set_right_libfunc call, even if the argument is
8823 BLKmode or variable-sized; don't abort.
8825 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8826 symbols in Pmode, not VOIDmode.
8828 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8830 * cppexp.c: When forcing unsigned comparisons, cast both sides
8833 * cpphash.h: Move static declaration of hashtab[]...
8834 * cpphash.c: ...here.
8836 * cpplib.c: Cast difference of two pointers to size_t before
8837 comparing it to size_t. Cast signed to unsigned
8838 before comparing to size_t. (FIXME: struct argdata should use
8839 unsigned buffer sizes.)
8840 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8841 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8842 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
8843 size_t before comparison.
8845 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
8847 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
8848 (find_basic_blocks_1): Similarly.
8849 * output.h (find_basic_blocks): Fix prototype.
8850 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
8851 find_basic_blocks anymore.
8853 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
8855 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
8856 (sbitmap_free, sbitmap_vector_free): New macros.
8857 * output.h (rtl_dump_file): Declare.
8859 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
8861 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
8863 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8865 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
8867 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
8868 (divide): Remove unused variable `tmp'.
8869 (si_to_float): Cast numeric constant to (SItype) before comparing
8872 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
8874 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
8875 * gcc.c (add_preprocessor_option): Correct typo when allocating
8876 memory, sizeof() argument had one too many `*'.
8877 (add_assembler_option): Likewise.
8878 (add_linker_option): Likewise.
8879 * gcov.c (output_data): Likewise.
8880 * local-alloc.c (memref_used_between_p): Likewise.
8881 (update_equiv_regs): Likewise.
8882 * loop.c (strength_reduce): Likewise.
8883 * reg-stack.c (record_asm_reg_life): Likewise.
8884 (subst_asm_stack_reg): Likewise.
8885 * reorg.c (dbr_schedule): Likewise.
8887 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8889 * flow.c (life_analysis_1): Break out some functions.
8890 (find_basic_blocks_1): Likewise. Also move some variables out and
8892 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
8893 new static var nonlocal_label_list with it.
8894 (active_eh_region, nested_eh_region, label_value_list,
8895 nonlocal_label_list): New static variables.
8896 (make_edges, delete_unreachable_blocks, delete_block): New static
8897 functions, broken out of find_basic_blocks_1.
8898 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
8899 noop_move_p): New static functions, broken out of life_analysis_1.
8901 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
8903 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
8904 Take extra care for op0 now possibly being a subreg.
8905 (extract_bit_field): Likewise.
8906 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
8907 the reg to memory if there is no equal sized integral mode.
8908 * stor-layout.c (int_mode_for_mode): New function.
8909 * machmode.h: Prototype it.
8911 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
8913 * global.c (build_insn_chain): Verify no real insns exist past the
8914 end of the last basic block, then exit the loop.
8916 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
8918 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
8920 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
8922 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
8924 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
8926 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8928 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8930 * flow.c (find_basic_blocks): Correctly determine when a call
8931 is within an exception region.
8933 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8935 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8937 * cpplib.h: Protect from multiple inclusions.
8938 * cpplib.c: Fix minor formatting problems.
8940 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8942 * jump.c (jump_optimize): Revert accidental patch.
8944 * Makefile.in (cpplib.o): Use unlibsubdir.
8946 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8948 * loop.c (get_condition): Allow combine when either compare is
8951 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8953 * version.c: Bump for snapshot.
8955 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
8957 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
8958 (init_lex): Initialize ridpointers[RID_BYREF].
8959 * c-lex.h (enum rid): Add RID_BYREF.
8960 * c-parse.gperf: Add RID_BYREF as a type qualifier.
8961 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
8962 (encode_type_qualifiers): Similarly
8963 * c-gperf.h: Rebuilt.
8965 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
8967 * c-common.c (type_for_mode): Only return TItype nodes when
8968 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8969 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
8970 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8971 (init_decl_processing): Only create TItype nodes when
8972 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8973 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
8974 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8976 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8978 * stmt.c (n_occurrences): New static function.
8979 (expand_asm_operands): Verify that all constrains match in the
8980 number of alternatives.
8981 Verify that '+' or '=' are at the beginning of an output constraint.
8982 Don't allow '&' for input operands.
8983 Verify that '%' isn't written for the last operand.
8984 * reload.c (find_reloads): Abort if an asm is found with invalid
8985 constraints; all possible problems ought to be checked for earlier.
8987 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8989 * flags.h (flag_branch_on_count_reg): Always declare
8990 * toplev.c (flag_branch_on_count_reg): Likewise.
8991 * toplev.c: Fix typos.
8993 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
8996 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
8998 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
9000 (find_basic_blocks_1): Add a nop to the end of a basic block when
9001 a trailing call insn does not have abnormal control flow.
9002 * gcse.c (pre_transpout): New variable.
9003 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
9004 (compute_pre_transpout): Calculate it.
9005 (compute_pre_ppinout): Use it to eliminate impossible placements
9006 due to abnormal control flow through calls.
9007 (compute_pre_data): Call compute_pre_transpout.
9009 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9011 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
9013 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
9015 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
9016 and matching define_insns): Tack on a `use' of the table label, so
9017 flow analysis will recognize a tablejump.
9019 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
9021 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
9022 always end basic blocks for abnormal edge reasons.
9024 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
9026 * config/i386/i386.h: Remove definition of
9027 HANDLE_PRAGMA_PACK_PUSH_POP.
9029 * config/i386/go32.h: Add definition of
9030 HANDLE_PRAGMA_PACK_PUSH_POP.
9032 * config/i386/win32.h: Add definition of
9033 HANDLE_PRAGMA_PACK_PUSH_POP.
9035 * config/i386/cygwin32.h: Add definition of
9036 HANDLE_PRAGMA_PACK_PUSH_POP.
9038 * c-pragma.c (insert_pack_attributes): Do not insert
9039 attributes unless #pragma pack(push,<n>) is in effect.
9041 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
9043 * expr.c (emit_group_store): Handle a PARALLEL destination.
9045 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
9047 * gcse.c (pre_insert_insn): When a call ends a bb, insert
9048 the new insns before the argument regs are loaded.
9050 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9052 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
9053 (c-parse.gperf): Update comments describing invocation flags.
9054 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
9056 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
9058 * reload1.c (reload): Call free before clobbering the memory
9059 locations or constants pointers.
9061 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9063 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
9064 for efficiency by checking whether we need to modify the current
9065 stack permission at all.
9066 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
9067 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
9068 __enable_execute_stack libcall here too if
9069 TRANSFER_FROM_TRAMPOLINE is defined.
9070 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
9073 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
9075 * Makefile.in (DRIVER_DEFINES): Remove last change.
9077 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9079 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
9080 insns we're going to copy.
9081 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
9083 * loop.c (count_one_set): Add prototype.
9085 * caller-save.c (restore_referenced_regs): Lose mode argument.
9086 (insert_save): Lose mode argument.
9087 (insert_restore): Lose mode argument.
9088 (insert_one_insn): Lose mode argument.
9089 (save_call_clobbered_regs): Lose mode argument.
9090 (setup_save_areas): Take no argument and return void. All callers
9092 Don't verify validity of memory addresses.
9093 * reload.h (setup_save_ares): Adjust prototype.
9094 (save_call_clobbered_regs): Likewise.
9095 * reload1.c (delete_caller_save_insns): New function.
9096 (caller_save_spill_class): Delete variable.
9097 (caller_save_group_size): Delete variable.
9098 (reload): Call setup_save_areas and save_call_clobbered_regs
9099 in the main loop, before calling calculate_needs_all_insns.
9100 Don't call save_call_clobbered_regs after the loop.
9101 Call delete_caller_save_insns at the end of an iteration if
9103 Delete code to manage caller_save_spill_class.
9104 Emit the final note before setting reload_first_uid.
9105 Simplify test that determines whether reload_as_needed gets run.
9106 (calculate_needs): Delete code to manage caller_save_spill_class.
9108 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
9110 * collect2.c (main): Initialize ld_file_name.
9112 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
9114 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
9115 check for flag_function_sections.
9117 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9119 * cse.c (insert_regs): Fix bug in Sep 24 change.
9121 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9123 * flags.h (flag_dump_unnumbered): Declare.
9124 * toplev.c (flag_dump_unnumbered): Don't declare.
9125 * print-rtl.c (flags.h): Include.
9126 (print_rtl_single): Add return value.
9127 * rtl.h (print_rtl_single): Update declaration.
9128 * flow.c (flag_dump_unnumbered): Don't declare.
9129 (print_rtl_with_bb): Use return value of print_rtl_single.
9131 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9133 * loop.c (count_one_set): New static function, broken out of
9135 (count_loop_regs_set): Call it.
9136 * global.c (mark_reg_store): Handle clobbers here by not calling
9138 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
9139 is in fact a clobber.
9140 * integrate.c (process_reg_param): New function, broken out of
9141 expand_inline_function.
9142 (expand_inline_function): Call it.
9145 * i386.md (addsidi3_1): Delete unused variable temp.
9146 (addsidi3_2): Likewise.
9147 (clstrstrsi): Delete unused variable addr1.
9149 * rtl.h: Don't declare any functions also declared in recog.h.
9151 * Makefile.in (stupid.o): Update dependencies.
9152 (global.o): Likewise.
9154 * global.c: Include reload.h
9155 (reg_becomes_live): New function.
9156 (reg_dies): New function.
9157 (build_insn_chain): New function.
9158 (global_alloc): Call build_insn_chain before calling reload.
9160 * reload.h (struct needs): New structure definition.
9161 (struct insn_chain): Likewise.
9162 (reload_insn_chain): Declare variable.
9163 (new_insn_chain): Declare function.
9166 * reload1.c (reload_startobj): New variable.
9167 (reload_insn_chain): New variable.
9168 (unused_insn_chains): New variable.
9169 (new_insn_chain): New function.
9170 (init_reload): Initialize reload_startobj, not reload_firstobj.
9171 (reload): Initialize reload_firstobj.
9172 Before returning, free everything on the reload_obstack.
9174 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
9175 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
9176 current_chain): New variables.
9177 (reg_where_born): Delete variable.
9178 (REG_WHERE_BORN): New macro.
9179 (find_clobbered_regs): New function.
9180 (stupid_life_analysis): Don't allocate/free reg_where_born.
9181 Allocate and free reg_where_born_exact, reg_where_born_clobber,
9182 reg_where_dead_chain.
9183 Use REG_WHERE_BORN instead of reg_where_born.
9184 While processing the insns, build the reload_insn_chain with
9185 information about register lifetimes.
9186 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
9187 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
9189 Compute and information about birth and death of pseudo registers in
9190 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
9191 Delete code to set elements of reg_where_born.
9193 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9195 * tree.def (GOTO_EXPR): Modified documentation.
9196 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
9199 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
9201 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
9202 loop_final_value, loop_comparison_code): No longer static.
9203 (unroll_loop): Delete loop_start_value update.
9204 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
9205 loop_final_value, loop_comparison_code): Extern.
9206 (loop_start_value): Delete extern.
9207 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
9208 loop_comparison_value, loop_comparison_code): Delete.
9209 (loop_optimize): Remove initialization for deleted variables.
9210 (strength_reduce): Delete analyze_loop_iterations call. Only call
9211 insert_bct if flag_branch_count_on_reg set.
9212 (analyze_loop_iterations): Delete.
9213 (insert_bct): Remove iteration count calculation. Move checks for
9214 viable BCT optimization to here. Obtain iteration count from
9215 loop_iterations and correct for unrolling. Check for enough
9216 iteration to be beneficial. Comment out runtime iteration count
9218 (insert_bct): Print iteration count in dump file. Remove
9219 loop_var_mode and use word_mode directly.
9221 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
9222 * rs6000.c (rs6000_override_options): Use it.
9223 (optimization_options): Enable use of flag_branch_on_count_reg.
9224 * rs6000.md (define_function_unit): Describe 604e.
9226 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9228 * loop.c (move_movables): Corrected threshold calculation for
9229 moved_once registers.
9231 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9233 * loop.c (combine_givs_p): Fix test for identical givs.
9235 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
9237 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
9238 call abort if the function is already defined.
9240 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
9242 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
9243 truncation is not a no-op.
9245 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
9247 * version.c: Bump for snapshot.
9249 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
9251 * version.c: Bump for snapshot.
9253 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
9255 * expmed.c (expand_divmod): Don't widen for computing remainder
9256 if we seem to have a divmod pattern for needed mode.
9258 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9260 * cpplib.c (macroexpand): Correct off-by-one error in handling
9263 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
9265 * combine.c (expand_field_assignment): Don't do bitwise operations
9266 on MODE_FLOAT; pun to MODE_INT if possible.
9268 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
9269 scott snyder <snyder@d0sgif.fnal.gov>
9271 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
9272 linker. Recognize mangled names in quotes.
9274 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9276 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
9277 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
9278 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
9279 (lshrsi3_extend, lshrsi3_extend2): Ditto.
9281 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9283 * function.c (purge_addressof_1): If trying to take a sub-word
9284 integral piece of a floating point mode, put it on the stack.
9286 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
9288 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
9290 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9292 * PROJECTS: Remove template friends.
9294 * collect2.c (sort_ids): Remove unused variable.
9296 * tm.texi (MATH_LIBRARY): Document.
9297 (NEED_MATH_LIBRARY): Remove.
9299 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
9300 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
9302 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
9304 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
9305 last_end to 0x7fffffff.
9307 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9309 * function.c (purge_addressof_1): Do not perform endianness
9310 corrections on bitpos, who we call will do it for us.
9312 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
9314 * h8300.c (WORD_REG_USED): Fix typo.
9315 (initial_offset): Use WORD_REG_USED.
9317 * h8300.c (handle_pragma): Fix typo.
9319 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9321 * caller-save.c (insert_save_restore): Break this function up
9322 into new functions insert_restore, insert_save and insert_one_insn.
9323 All callers changed.
9324 (insert_restore): New function, mostly broken out of
9325 insert_save_restore.
9326 (insert_save): Likewise.
9327 (insert_one_insn): Likewise.
9328 (restore_referenced_regs): New argument BLOCK. All callers changed.
9329 (save_call_clobbered_regs): Don't keep track of basic block boundaries
9330 in this function, do it in insert_one_insn instead.
9332 * reload1.c (reload): Break out some more pieces into separate
9334 (dump_needs): New function, broken out of reload.
9335 (set_initial_elim_offsets): Likewise.
9336 (init_elim_table): Likewise.
9337 (update_eliminables): Likewise.
9339 * global.c (global_alloc): Delete code to manage the scratch_list.
9340 * local-alloc.c (qty_scratch_rtx): Delete.
9341 (scratch_block): Delete.
9342 (scratch_list): Delete.
9343 (scratch_list_length): Delete.
9344 (scratch_index): Delete.
9345 (alloc_qty_for_scratch): Delete.
9346 (local-alloc): Update initialization of max_qty.
9347 Delete code to manage the scratch list.
9348 Delete code to allocate/initialize qty_scratch_rtx.
9349 (block_alloc): Don't allocate quantities for scratches.
9350 Delete code to manage the scratch list.
9351 * regs.h (scratch_list): Delete declaration.
9352 (scratch_block): Delete declaration.
9353 (scratch_list_length): Delete declaration.
9354 * reload1.c (reload): Delete code to manage the scratch list.
9355 (spill_hard_reg): Likewise.
9356 (mark_scratch_live): Delete.
9358 * recog.c (alter_subreg): Delete declaration.
9360 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9362 * Makefile.in (cccp.o): Fix typo in last patch.
9364 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9366 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9367 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9369 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9371 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9372 NULL_RTX as an argument.
9374 * Makefile.in (unlibsubdir): Define.
9375 (DRIVER_DEFINES): Use unlibsubdir.
9376 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9377 (stmp-fixinc): Similarly.
9379 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9381 * regmove.c (regmove_optimize): Add variable old_max_uid.
9382 At the end of the function, update basic_block_end.
9384 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9386 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9387 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9390 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9392 * config/arm/arm.c: Improve interworking support.
9394 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9396 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9397 copied from reload_out[r] .
9399 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9401 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9402 with more than three size ranges.
9404 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9406 * rtl.c (mode_name): Add a null string at the end of the array.
9407 (mode_wider_mode): Change type to unsigned char.
9408 (mode_mask_array): New variable.
9409 (init_rtl): Update for mode_wider_mode type change.
9411 * rtl.h (mode_wider_mode): Change type to unsigned char.
9412 (mode_mask_array): Declare.
9413 (GET_MODE_MASK): Use mode_mask_array.
9415 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9417 * calls.c (expand_call) : Encapsulate code into
9418 copy_blkmode_from_reg.
9419 * expr.c (copy_blkmode_from_reg): New function.
9420 * expr.h (copy_blkmode_from_reg): New function.
9421 * integrate.c (function_cannot_inline_p): We can inline
9423 (expand_inline_function): Use copy_blkmode_from_reg
9424 if needed. Avoid creating BLKmode REGs.
9425 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9428 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9430 * config/v850/v850.c: Add function prototypes.
9431 Add support for v850 special data areas.
9433 * config/v850/v850.h: Add support for v850 special data areas.
9435 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9436 HANDLE_PRAGMA_PACK_PUSH_POP.
9437 (push_alignment): New function: Cache an alignment requested
9438 by a #pragma pack(push,<n>).
9439 (pop_alignment): New function: Pop an alignment from the
9441 (insert_pack_attributes): New function: Generate __packed__
9442 and __aligned__ attributes for new decls whilst a #pragma pack
9444 (add_weak): New function: Cache a #pragma weak directive.
9445 (handle_pragma_token): Document calling conventions. Add
9446 support for #pragma pack(push,<n>) and #pragma pack (pop).
9448 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9449 are defined enable HANDLE_PRAGMA_PACK.
9450 Move 'struct weak_syms' here (from varasm.c).
9451 Add pragma states for push and pop pragmas.
9453 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9456 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9457 HANDLE_GENERIC_PRAGMAS.
9459 * varasm.c: Move definition of 'struct weak_syms' into
9461 (handle_pragma_weak): Deleted.
9463 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9465 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9467 * c-decl.c (start_function): Add invocation of
9468 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9470 * tm.texi: Remove description of non-existant macro
9471 SET_DEFAULT_SECTION_NAME.
9473 (HANDLE_SYSV_PRAGMA): Document.
9474 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9476 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9478 * config.sub: Recognize i[34567]86-pc-udk as new target.
9479 * configure.in: Likewise.
9480 * config/i386/t-udk: New file.
9481 * config/i386/udk.h: New file.
9483 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9485 * reorg.c (check_annul_list_true_false): Remove unused variables.
9486 (steal_delay_list_from_target): Add missing "used_annul" variable.
9487 (try_merge_delay_insns): Close out half formed comment.
9489 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9491 * cpplib.c (macroexpand): If arg->raw_before or
9492 arg->raw_after, remove any no-reexpansion escape at the
9493 beginning of the pasted token. Correct handling of whitespace
9494 markers and no-reexpand markers at the end if arg->raw_after.
9496 * toplev.c (documented_lang_options): Recognize -include,
9497 -imacros, -iwithprefix, -iwithprefixbefore.
9498 * cpplib.c (cpp_start_read): Process -imacros and -include
9499 switches at the same time and in command-line order, after
9500 initializing the dependency-output code. Emit properly nested
9501 #line directives for them. Emit a #line for the main file
9502 before processing these switches, and don't do it again
9505 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9507 * function.c (purge_addressof_1): Use bitfield manipulation
9508 routines to handle mem mode < reg mode.
9510 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9512 * reorg.c (try_merge_delay_insns): Account for resources referenced
9513 in each instruction in INSN's delay list before trying to eliminate
9514 useless instructions. Similarly when looking at a trial insn's delay
9517 * reorg.c (check_annul_list_true_false): New function.
9518 (steal_delay_list_from_{target,fallthrough}): Call it and also
9519 refine tests for when we may annul if already filled a slot.
9520 (fill_slots_from_thread): Likewise.
9521 (delete_from_delay_slot): Return newly-created thread.
9522 (try_merge_delay_isns): Use its new return value.
9524 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9526 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9527 used to compute a giv or as some other non-counting use.
9529 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9531 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9532 * local-alloc.c (find_free_reg): Use it.
9533 * global.c (find_reg): Likewise.
9534 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9536 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9537 * caller-save.c (init_caller_save): Use it.
9538 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9540 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9542 * configure.in: Add --enable-cpplib option which uses cpplib
9543 for cpp, but doesn't link cpplib into cc1. Make help text
9544 capitalization consistent.
9545 * configure: Rebuilt.
9547 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9549 * function.c (gen_mem_addressof): If the address REG is
9550 REG_USERVAR_P make the new REG be so also.
9551 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9552 in an attempt to clarify slightly.
9554 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9556 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9557 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9559 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9561 * toplev.c: Fix last patch.
9563 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9565 * loop.c (get_condition): Fix typo in May 9 change.
9567 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9569 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9571 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9573 * toplev.c (documented_lang_options): Spelling corrections.
9575 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9577 * configure.in: new flags --with-ld and --with-as, equivalent
9578 to setting LD and AS environment variables. Test whether
9579 specified arguments are GNU commands, and report them with
9580 checking messages. Use the specified AS for configure
9583 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9585 * gcc.c (find_a_file): when looking for `as' and `ld', return
9586 the DEFAULT program if it exists
9587 * collect2.c (main): use DEFAULT_LINKER if it exists
9589 * gcc.c (find_a_file): the test for existence of a full
9590 pathname was reversed
9592 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9594 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9595 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9597 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9599 * tree.h (TYPE_BINFO): Document.
9601 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9603 * i386-coff.h (dbxcoff.h): Added.
9605 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9607 * toplev.c: fix bad patch around flag_data_sections.
9609 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9611 * reload1.c (reload): Use reload_address_index_reg_class and
9612 reload_address_base_reg_class when setting
9613 caller_save_spill_class. (Patch generated by Jim Wilson:
9616 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9618 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9619 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9620 * expr.c (store_field): Add alias_set parameter. Set the
9621 MEM_ALIAS_SET accordingly, if the target is a MEM.
9622 (expand_assignment): Use it.
9623 (store_constructor_field): Pass 0.
9624 (expand_expr): Likewise.
9626 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9628 * flags.h: Add flag_data_sections.
9629 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9630 (compile_file): Error if flag_data_sections not supported.
9631 * varasm.c (assemble_variable): Handle flag_data_sections.
9632 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9633 * config/mips/elf.h: Likewise.
9634 * config/mips/elf64.h: Likewise.
9635 * invoke.texi: Describe -fdata-sections.
9637 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9639 * invoke.texi (-ffloat-store): Clarify that this option
9640 does not affect intermediate results -- only variables.
9642 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9644 * cpp.texi: Update for Fortran usage from Craig.
9646 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
9648 * rs6000.c (function_arg_boundary): Revert accidental change on
9651 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9653 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9654 (output_mi_thunk): Declare.
9656 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9657 (output_function_profiler): Use r12 for temp, instead of r11 so
9658 that we preserve the static chain register.
9660 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9662 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9664 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9666 * sh.c (gen_shl_sext): Fix case 5.
9668 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9670 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9672 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9674 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9675 accessing variables until they are initialized via va_arg().
9677 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9679 * reload1.c (reload_combine): Initialize set before using.
9681 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9683 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9686 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9688 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9689 operand3 with mask before using it. Patch provided by Jim Wilson.
9691 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9693 * config/sparc/sparc.c (function_value): Perform the equivalent of
9694 PROMOTE_MODE for ARCH64.
9695 (eligible_for_epilogue_delay): Allow DImode operations in delay
9696 slot of a return for ARCH64.
9698 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9700 * sh.md (sqrtsf2): Fix mode of sqrt.
9702 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9704 * reload1.c (choose_reload_regs): Also try inheritance when
9705 reload_in is a stack slot of a pseudo, even if we already got a
9708 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9710 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9711 (reload_cse_regs): New function body: call reload_cse_regs_1,
9712 reload_combine, reload_cse_move2add.
9713 When doing expensive_optimizations, call reload_cse_regs_1 a
9714 second time after reload_cse_move2add.
9715 (reload_combine, reload_combine_note_store): New functions.
9716 (reload_combine_note_use): New function.
9717 (reload_cse_move2add, move2add_note_store): New functions.
9719 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9721 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9722 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9724 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9725 more than 3 such reloads.
9727 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9728 RELOAD_FOR_X_ADDR_ADDR reload.
9730 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9732 * expr.c (store_constructor): When initializing a field that is smaller
9733 than a word, at the start of a word, try to widen it to a full word.
9735 * cse.c (cse_insn): When we are about to change a register,
9736 remove any invalid references to it.
9738 (remove_invalid_subreg_refs): New function.
9739 (mention_regs): Special treatment for SUBREGs.
9740 (insert_regs): Don't strip SUBREG for call to mention_regs.
9741 Check if reg_tick needs to be bumped up before that call.
9742 (lookup_as_function): Try to match known word_mode constants when
9743 looking for a norrower constant.
9744 (canon_hash): Special treatment for SUBREGs.
9746 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9748 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9749 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9750 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9751 and offsets in actual stack trampoline code so they match the
9752 commentary and actually work.
9754 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9756 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9758 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9759 tmake_file. Set extra_parts to needed crt objects.
9760 * configure: Rebuilt.
9761 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9762 (TARGET_DEFAULT): Set if default is v9 or ultra.
9763 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9764 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9765 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9766 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9767 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9768 (TARGET_VERSION): Define.
9769 (MULTILIB_DEFAULT): Define.
9770 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9771 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9772 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9774 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9775 * config/sparc/sparc.c (sparc_override_options): If arch and
9776 pointer size disagree, emit diagnostic and fix it up. If
9777 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9778 V8PLUS in 64-bit mode.
9779 * config/sparc/t-linux64: New file.
9780 * config/sparc/t-sol2-64: New file.
9781 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9782 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9783 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9784 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9785 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9786 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9788 (STARTFILE_SPEC): Set approriately based upon those.
9789 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9790 disposition of DEFAULT_ARCH32_P.
9791 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9792 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9793 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9794 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9795 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9797 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9799 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9801 * rtl.h (init_virtual_regs): New function.
9802 * emit-rtl.c (init_virtual_regs): Define.
9803 (insn_emit): Use it.
9804 * integrate.c (save_for_inline_copying): Likewise.
9806 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9808 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9809 (enum reg_class): Add NONARG_LO_REGS support.
9810 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9811 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9812 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9813 completes. Re-enable HImode REG+OFFSET addresses.
9814 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9816 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9818 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9820 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9821 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9822 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9824 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9826 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9827 jumps as a single entity, taking into account the size of the
9830 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9832 * tree.def (SWITCH_EXPR): New tree node definition.
9834 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9836 * version.c: Bump for snapshot.
9838 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9840 * version.c: Bump for snapshot.
9842 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
9844 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
9847 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
9849 * Revert this patch.
9850 * reload.c (find_reloads): Do not replace a pseudo with
9851 (MEM (reg_equiv_addr)) in the initializing insn for the
9854 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
9856 * final.c (final_scan_insn): Disable tracking CC across branches.
9858 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9860 * expr.h (eh_rtime_match_libfunc): New extern declaration.
9861 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
9862 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
9863 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
9864 NULL. Only include <stdio.h> if inhibit_libc is not defined.
9866 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
9868 * toplev.c (rest_of_compilation): Skip compiling anything with
9869 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
9871 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
9873 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
9874 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
9875 use in_libcall_block.
9876 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
9877 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
9880 Mon Sep 21 14:02:23 1998
9882 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
9883 typo in no-fancy-math-387 description.
9885 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
9887 * version.c: Bump for snapshot.
9889 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
9891 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
9893 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
9895 * i386.h: (TARGET_SWITCHES) Add description fields for flags
9896 documented in install.texi.
9897 (TARGET_OPTIONS) Likewise.
9899 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
9901 * version.c: Bump for snapshot.
9903 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
9905 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
9906 * cccp.c (main): Likewise.
9908 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
9909 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
9912 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
9914 * Makefile.in (LIBS): Link in libiberty.a.
9915 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
9917 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
9919 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
9920 it to update bb boundaries. Update caller.
9921 * function.c (reposition_prologue_and_epilogue_notes): Update
9922 bb boundaries wrt the moved note.
9924 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
9926 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9928 * configure: Regenerate.
9930 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9932 * alpha.c (alpha_sr_alias_set): New variable.
9933 (override_options): Set it.
9934 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9935 (mode_mask_operand): Fix signed-unsigned comparision warning.
9936 (alpha_expand_block_move): Likewise.
9937 (print_operand): Likewise.
9938 (get_aligned_mem): Use change_address.
9939 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9940 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9941 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9942 (alpha_align_insns): Remade from old alphaev5_align_insns
9943 to handle multiple processors.
9944 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9945 * output.h (label_to_alignment): Prototype.
9947 * tree.c (new_alias_set): New function.
9948 * tree.h (new_alias_set): Declare it.
9949 * c-common.c (c_get_alias_set): Use it.
9951 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9953 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9954 to an ABS expr, convert an unsigned input to signed.
9956 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
9958 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
9960 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9962 * configure.in: Add support for c4x targets.
9963 * configure: Rebuilt.
9965 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
9967 * combine.c (distribute_notes): If an insn is a cc0 user, only
9968 delete it if we can also delete the cc0 setter.
9970 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
9972 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
9973 (invert_truthvalue): Enable truthvalue inversion for
9974 floating-point operands if -ffast-math.
9976 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9978 * configure.in: Disable collect2 for nextstep. Instead use
9980 * configure: Rebuilt.
9981 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
9982 (ENDFILE_SPEC): Define.
9983 (OBJECT_FORMAT_MACHO): Define.
9984 (EH_FRAME_SECTION_ASM_OP): Define.
9985 * crtstuff.c: Handle MACHO.
9987 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
9989 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
9991 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
9993 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
9994 (_fpadd_parts): Get sign right for 0.
9996 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9998 * ginclude/varargs.h: Add support for C4x target.
9999 * ginclude/stdargs.h: Likewise.
10001 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
10003 * alpha.c (alpha_return_addr): SET should be VOIDmode.
10004 (alpha_emit_set_long_const): Rewrite to be callable from reload
10006 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
10007 * alpha.md (movdi): Likewise.
10009 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
10011 * arm.c (add_constant): New parameter address_only, change caller.
10012 Set it non-zero if taking the address of an item in the pool.
10013 (arm_reorg): Handle cases where we need the address of an item in
10016 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
10018 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
10019 memory addresses that are not in standard canonical form.
10021 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
10023 * README.C4X: New file with information about the c4x ports.
10024 * ginclude/va-c4x.h: New file for c4x varargs support.
10025 * config/c4x: New directory with c4x port files.
10027 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
10029 * reload.c (find_reloads): Do not replace a pseudo with
10030 (MEM (reg_equiv_addr)) in the initializing insn for the
10033 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
10035 * toplev.c (rest_of_compilation): Set bct_p on second call to
10037 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
10039 (strength_reduce): Only call analyze_loop_iterations and
10040 insert_bct if bct_p set.
10041 (check_dbra_loop): Fix typo.
10042 (insert_bct): Use word_mode instead of SImode.
10043 (instrument_loop_bct): Likewise. Do not delete iteration count
10044 condition code generation insn. Initialize iteration count before
10046 * rtl.h (loop_optimize): Update prototype.
10048 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
10049 not doubleword aligned.
10051 * rs6000.c (optimization_options): New function.
10052 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
10053 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
10054 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
10055 first; cr1 can be used for FP record condition insns.
10057 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
10059 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
10062 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
10065 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
10067 (block_move_call): New function: Call a library routine to copy a
10069 (m32r_expand_block_move): New function: Expand a "movstrsi"
10070 pattern into a sequence of insns.
10071 (m32r_output_block_move): New function: Expand a
10072 "movstrsi_internal" pattern into a sequence of assembler opcodes.
10073 (m32r_block_immediate_operand): New function: Return true if the
10074 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
10076 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10078 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
10079 re-align some code.
10080 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
10082 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10084 * regmove.c (copy_src_to_dest): Check that modes match.
10086 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
10088 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
10090 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
10092 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
10093 narrower than FLOAT_REGS.
10095 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10097 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
10099 * Makefile.in (old_gxx_include_dir): removed
10101 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
10103 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
10106 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
10107 (sh_handle_pragma): Change function arguments to match new
10108 specification for HANDLE_PRAGMA.
10110 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10112 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
10114 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
10115 When generating output, initialize missing struct member to zero.
10117 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10119 * regmove.c (copy_src_to_dest): Don't copy if that requires
10120 (a) new register(s).
10122 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10124 * global.c (reg_allocno): Now static.
10125 * reload1.c (reg_allocno): Delete declaration.
10126 (order_regs_for_reload): Take no arguments. Don't treat regs
10127 allocated by global differently than those allocated by local-alloc.
10129 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
10131 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
10132 condition, fix format strings.
10133 (output_function_epilogue): Likewise.
10135 * m68k/m68k.c: Don't include <stdlib.h> directly.
10137 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
10139 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
10140 mem_first_set, mem_last_set; because 0 can be a CUID.
10141 (oprs_unchanged_p): Use new definition.
10142 (record_last_reg_set_info): Likewise.
10143 (record_last_mem_set_info): Likewise.
10144 (compute_hash_table): Likewise.
10146 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
10148 * rs6000.c (output_epilogue): Handle Chill.
10150 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10151 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
10153 * combine.c (make_extraction): If no mode is specified for
10154 an operand of insv, extv, or extzv, default it to word_mode.
10155 (simplify_comparison): Similarly.
10156 * expmed.c (store_bit_field): Similarly.
10157 (extract_bit_field): Similarly.
10158 * function.c (fixup_var_regs_1): Similarly.
10159 * recog.c (validate_replace_rtx_1): Similarly.
10160 * mips.md (extv, extzv, insv expanders): Default modes for most
10161 operands. Handle TARGET_64BIT.
10162 (movdi_uld, movdi_usd): New patterns.
10164 * pa.c (emit_move_sequence): Do not replace a pseudo with its
10165 equivalent memory location unless we have been provided a scratch
10166 register. Similarly do not call find_replacement unless a
10167 scratch register has been provided.
10169 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10171 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
10174 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
10176 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
10177 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
10178 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
10179 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
10180 * c-decl.c (init_decl_processing): Update accordingly.
10181 * expr.c (expand_builtin): Likewise.
10183 * rtl.h (global_rtl): Add cfa entry.
10184 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
10185 (LAST_VIRTUAL_REGISTER): Update.
10186 * emit-rtl.c (global_rtl): Add cfa entry.
10187 (init_emit): Initialize it.
10188 * function.c (cfa_offset): New.
10189 (instantiate_virtual_regs): Initialize it.
10190 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
10191 (expand_function_end): Call expand_eh_return.
10192 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
10194 * except.c (current_function_eh_stub_label): Kill.
10195 (current_function_eh_old_stub_label): Likwise; update all references.
10196 (expand_builtin_set_return_addr_reg): Kill.
10197 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
10198 (expand_builtin_set_eh_regs): Kill.
10199 (eh_regs): Produce a third reg for the actual handler address.
10200 (eh_return_context, eh_return_stack_adjust): New.
10201 (eh_return_handler, eh_return_stub_label): New.
10202 (init_eh_for_function): Initialize them.
10203 (expand_builtin_eh_return, expand_eh_return): New.
10204 * except.h: Update prototypes.
10205 * flow.c (find_basic_blocks_1): Update references to the stub label.
10206 * function.h (struct function): Kill stub label elements.
10208 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
10209 register number is one that would be in the previous window.
10210 Provide a dummy definition for non-windowed targets.
10211 (get_reg_addr): New function.
10212 (get_reg, put_reg, copy_reg): Use it.
10213 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
10214 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
10216 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
10217 (alpha_init_expanders): Initialize it.
10218 (alpha_expand_epilogue): Use it.
10219 * alpha.h: Declare it.
10220 * alpha.md (eh_epilogue): New.
10222 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
10223 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
10225 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
10227 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
10230 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10232 * except.h (struct eh_entry): Add false_label field.
10233 (end_catch_handler): Add prototype.
10234 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
10235 (start_catch_handler): When using old style exceptions, issue
10236 runtime typematch code before continuing with the handler.
10237 (end_catch_handler): New function, generates label after handler
10238 if needed by older style exceptions.
10239 (expand_start_all_catch): No need to check for new style exceptions.
10240 (output_exception_table_entry): Only output the first handler label
10241 for old style exceptions.
10242 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
10243 mechanism into one function, if a runtime matcher is provided.
10245 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
10247 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
10249 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
10251 * integrate.c (copy_decl_list): Fix typo.
10253 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10255 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
10258 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
10260 * version.c: Bump for snapshot.
10262 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
10264 * version.c: Bump for snapshot.
10266 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
10268 * version.c: Bump for snapshot.
10270 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10272 * invoke.texi (C Dialect Options): Put back missing @end itemize.
10274 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
10276 * configure.in: remove usage of `!' to negate the result of a
10277 command; some common shells do not support it
10279 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10281 * configure.in: in sparc9-sol2 config, use 'if test' not
10283 * configure: Rebuilt.
10285 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
10287 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
10288 (CPP_CPU_DEFAULT_SPEC): Likewise.
10289 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
10290 for arch64 libfuncs.
10292 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
10295 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10297 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
10299 * collect2.c: Don't declare `sys_siglist' here.
10300 (my_strsignal): Prototype and define new function. Use it in
10301 place of `sys_siglist' hacks.
10303 * mips_tfile.c: Likewise.
10305 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
10306 (GCC_NEED_DECLARATIONS): Likewise.
10308 * system.h (strsignal): Prototype it, if necessary.
10309 (sys_siglist): Declare it, if necessary.
10311 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10313 * loop.c (move_movables): While removing insn sequences, preserve
10314 the next pointer of the most recently deleted insn when we skip
10317 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
10319 * objc/config-lang.in: Do not output the name of the selected
10320 thread file when building the front-end. The Makefile for the
10321 runtime library will do this.
10323 * objc/Make-lang.in: Do not build the runtime library or install
10324 the Objective C header files. The Makefile for the runtime
10325 library will do this.
10327 * objc/Makefile.in (all.indirect): Only build the front-end.
10328 (compiler): Rename to `frontend'.
10329 (obj-runtime): Remove target.
10330 (copy-headers): Likewise.
10331 (clean): No need to remove `libobjc.a' any longer.
10333 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
10335 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
10336 supported with -mcpu=xxx.
10338 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10340 * flow.c (mark_set_1): Recognize multi-register structure return
10341 values in CALL insns.
10342 (mark_used_regs): Likewise.
10343 (count_reg_sets_1): Likewise.
10344 (count_reg_references): Likewise.
10345 * rtlanal.c (note_stores): Likewise.
10346 (reg_overlap_mentioned_p): Likewise.
10347 * haifa-sched.c (check_live_1): Likewise.
10348 (update_live_1): Likewise.
10349 (sched_analyze_1): Likewise.
10350 (sched_note_set): Likewise.
10351 (birthing_insn_p): Likewise.
10352 (attach_deaths): Likewise.
10354 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10357 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10359 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10361 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10363 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10365 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10367 * configure.in: Add check for GAS subsection -1 support.
10368 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10369 * configure config.in: Rebuilt.
10370 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10371 SImode is subsection -1 works, else use DImode.
10372 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10373 subsection -1 works.
10374 * config/sparc/sparc.c (sparc_output_addr_vec,
10375 sparc_output_addr_diff_vec): Use them if defined.
10377 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10379 * tree.h (DECL_ORIGIN): New macro.
10380 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10381 (copy_decl_list): Use it.
10382 (integrate_parm_decls): Likewise.
10383 (integrate_decl_tree): Likewise.
10384 * dwarf2out.c (decl_ultimate_origin): Simplify.
10385 * dwarfout.c (decl_ultimate_origin): Likewise.
10386 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10387 (pushdecl): Likewise.
10389 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10391 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10393 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10395 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10397 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10399 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10400 empty or has a single entry.
10402 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10403 before calling reg_to_stack.
10405 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10407 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10408 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10410 * c-tree.h (warn_long_long): Declare it.
10412 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10414 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10415 initialized float-int union if the value is a NaN.
10417 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10419 * c-lex.c (real_yylex): Don't warn about long long constants if
10420 we're allowing long long
10422 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10424 * except.h (current_function_eh_stub_label): Declare.
10425 (current_function_eh_old_stub_label): Declare.
10426 * function.h (struct function): New members eh_stub_label and
10428 * except.c (current_function_eh_stub_label): New variable.
10429 (current_function_eh_old_stub_label): New variable.
10430 (init_eh_for_function): Clear them.
10431 (save_eh_status): Save them.
10432 (restore_eh_status): Restore them.
10433 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10434 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10435 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10436 make an edge from the block that contains it to the block starting
10437 with the label if this label is one of the eh stub labels.
10438 If eh stub labels exist, show they are reachable from the last block
10441 * reload1.c (reload): Break out several subroutines and make some
10443 (calculate_needs_all_insns): New function, broken out of reload.
10444 (calculate_needs): Likewise.
10445 (find_reload_regs): Likewise.
10446 (find_group): Likewise.
10447 (find_tworeg_group): Likewise.
10448 (something_needs_reloads): New global variable, formerly in reload.
10449 (something_needs_elimination): Likewise.
10450 (caller_save_spill_class): Likewise.
10451 (caller_save_group_size): Likewise.
10452 (max_needs): Likewise.
10453 (group_size): Likewise.
10454 (max_groups): Likewise.
10455 (max_nongroups): Likewise.
10456 (group_mode): Likewise.
10457 (max_needs_insn): Likewise.
10458 (max_groups_insn): Likewise.
10459 (max_nongroups_insn): Likewise.
10460 (failure): Likewise.
10462 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10464 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10466 * loop.c (load_mems): Copy rtx for output mem.
10468 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10470 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10471 mips1 or mips2 either.
10473 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10475 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10477 (pa_adjust_insn_length): Update to work with new marking scheme
10478 for jumps inside switch tables.
10479 * pa.md (switch_jump): Remove pattern.
10480 (jump): Handle jumps inside jump tables.
10482 * Makefile.in (profile.o): Depend on insn-config.h
10484 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10486 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10488 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10490 Add preliminary native sparcv9 Solaris support.
10491 * configure.in: Recognize sparv9-*-solaris2*
10492 * configure: rebuilt
10493 * config.sub: Recognize sparcv9 just like sparc64.
10494 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10495 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10496 32-bit and 64-bit Solaris systems.
10497 * config/sparc/t-sol2: Assemble those with cpp.
10498 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10499 (*TF*_LIBCALL): If ARCH64 use V9 names.
10500 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10502 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10504 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10505 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10507 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10509 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10510 to Pmode if CASE_VECTOR_MODE is something else.
10512 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10514 * prefix.c (update_path): Correctly handle cases where PATH is
10515 a substring of the builtin prefix, but specifies a different
10516 directory location.
10518 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10520 * expr.c: Corrected comment about what MOVE_RATIO does.
10521 * config/alpha/alpha.h: Ditto.
10522 * config/1750a/1750a.h: Ditto.
10523 * config/clipper/clipper.h: Ditto.
10524 * config/i386/i386.h: Ditto.
10526 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10528 * configure.in (m68k-next-nextstep3*): Use collect2.
10529 Similarly for x86 NeXT configurations.
10530 * configure: Rebuilt.
10532 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10534 * configure.in: Don't assume srcdir is .../gcc
10535 * configure: Rebuilt.
10537 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10539 * global.c: Update comments.
10540 (global_alloc): Assign allocation-numbers
10541 even for registers allocated by local_alloc in case
10542 they are later spilled and retry_global_alloc is called.
10543 (mark_reg_store, mark_reg_clobber,
10544 mark_reg_conflicts, mark_reg_death): Always record a
10545 conflict with a pseudo register even if it has been
10546 assigned to a hard register.
10547 (dump_conflicts): Don't list pseudo registers already assigned to
10548 a hard register as needing to be allocated, but do list their
10550 * local-alloc.c: Update comment.
10552 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10554 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10555 * configure: Rebuilt.
10557 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10559 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10561 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10562 for all targets that set -msoft-float.
10564 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10566 * toplev.c (print_switch_values): Make static to match prototype.
10568 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10570 * configure.in: If we are unable to find the "gnatbind" program,
10571 then do not configure the ada subdir.
10572 * configure: Rebuilt.
10574 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10576 * version.c: Bump for snapshot.
10578 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10580 * version.c: Bump for snapshot.
10582 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10584 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10585 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10587 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10589 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10591 * genextract.c: Have insn-extract.c include toplev.h.
10593 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10595 * toplev.c: Include expr.h.
10596 (really_sorry, fancy_abort): Remove prototypes.
10597 (set_target_switch): Add argument in prototype.
10598 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10599 (v_really_sorry): Likewise.
10600 (print_version, print_single_switch, print_switch_values): Make
10601 static and add prototype arguments.
10602 (decl_printable_name): Add prototype arguments.
10603 (lang_expand_expr_t): New typedef.
10604 (lang_expand_expr): Declare as a lang_expand_expr_t.
10605 (incomplete_decl_finalize_hook): Add prototype argument.
10606 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10607 (botch): Likewise for variable `s'.
10608 (rest_of_type_compilation): Mark variables `type' and `toplev'
10609 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10610 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10611 (display_help): Make variable `i' an `unsigned long'.
10612 (main): Remove unused parameter `envp'.
10613 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10614 Cast -1 when comparing it with a `size_t'.
10616 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10617 prototype with ATTRIBUTE_NORETURN.
10618 (fatal_insn_not_found, fatal_insn, really_sorry,
10619 push_float_handler, pop_float_handler): Add prototypes.
10620 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10621 (do_abort, botch): Add prototypes.
10623 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10625 * final.c (final): If a label is reached only from a single jump,
10626 call NOTICE_UPDATE_CC on the jump and its predecessor before
10627 emitting the insn after the label.
10629 * i386.h: Add AMD K6 support.
10630 Change TARGET_* macros to use table lookup.
10631 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10632 (ADJUST_COST): Change definition to call function in i386.c.
10633 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10634 * i386.c: Add AMD K6 support.
10635 Add constants for feature tests used by TARGET_* macros.
10636 (split_di): If before reload, call gen_lowpart and gen_highpart.
10637 (x86_adjust_cost): New function.
10638 (put_jump_code): New function.
10639 (print_operand): New codes 'D' and 'd'.
10640 * i386.md: New insn types. New insn attribute "memory".
10641 Redefine scheduling parameters to use new types and add AMD K6
10642 support. Explicitly set type of most insns.
10643 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10644 Pro and K6 prefer movl $1,reg to incl reg.
10645 (adddi3, subdi3): Set cc_status.
10646 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10647 to int; x86 can't have more than 2^31 DImode shifts per file.
10648 (setcc): Combine all setcc patterns. Allow writing memory.
10649 Combine all jump patterns using match_operator.
10650 (*bzero): Name pattern. Emit mutliple stos instructions when that
10651 is faster than rep stos.
10652 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10655 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10657 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10660 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10662 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10663 not whatever we're generating now.
10665 * alpha.c (set_frame_related_p, FRP): New.
10666 (alpha_expand_prologue): Mark frame related insns.
10667 (alpha_expand_epilogue): Likewise, but with a null FRP.
10668 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10669 * alpha.md (exception_receiver): New.
10670 * alpha/crtbegin.asm (.eh_frame): New beginning.
10671 (__do_frame_setup, __do_frame_takedown): New.
10672 * alpha/crtend.asm (.eh_frame): New ending.
10673 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10674 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10675 (ASM_FILE_START): Don't emit .file for dwarf2.
10677 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10678 * rtl.c (reg_note_name): Likewise.
10679 * rtl.texi (REG_NOTES): Likewise.
10680 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10683 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10685 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10686 * i386.md (movsf, movdf, movxf): Validate memory address returned
10687 from force_const_mem. Kill useless REG_EQUAL setting code.
10689 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10691 * m68k.md (zero_extendsidi2): Fix typo.
10693 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10695 * configure.in: Removed references to the removed file
10696 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10697 * arm*-*-netbsd* and ns32k-*-netbsd*.
10698 * config/i386/xm-netbsd.h: Removed unnecessary file.
10699 * config/m68k/xm-netbsd.h: Likewise.
10700 * config/sparc/xm-netbsd.h: Likewise.
10701 * config/mips/xm-netbsd.h: Likewise.
10703 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10705 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10706 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10708 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10709 for exact section attributions.
10711 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10713 * i386/crtdll.h (CPP_PREDEFINES): Define.
10715 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10717 * m68k.md (5200 movqi): Do not allow byte sized memory references
10718 using address regs.
10719 * m68k.c (output_move_qimode): Do not use byte sized operations on
10722 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10723 explicit rules for building. Similarly for alloca, vfprintf,
10724 choose-temp and mkstemp, getopt, getopt1, and obstack.
10725 (INCLUDES): Add $(srcdir)/../include.
10726 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10727 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10729 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10731 * gcc.c (do_spec_1): [case 'o'] Account for
10732 lang_specific_extra_outfiles.
10733 (main): Correctly clear all slots in outfiles for
10734 lang_specific_extra_outfiles. Set input_file_number before
10735 calling lang_specific_pre_link.
10737 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10739 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10741 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10743 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10745 (sparc_output_deferred_case_vectors): If no work to do, return.
10746 Fix thinko in Sept 1 change.
10748 1998-09-03 SL Baur <steve@altair.xemacs.org>
10750 * Makefile.in: add semicolon in BISON definition for portability.
10752 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10754 * config/nextstep.c (handle_pragma): Correct name of third
10757 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10759 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10760 * config/m32r/m32r.h: Make register 17 be fixed.
10761 * config/m32r/m32r.c: Use SImode for cc operations.
10763 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10765 * invoke.texi (Warning Options): Add -Wnon-template-friend
10768 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10770 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10772 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
10774 * rs6000.md (movsf): Disable explicit secondary-reload-like
10775 functionality if TARGET_POWERPC64.
10776 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10779 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10781 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10782 and term.h from fixinc.wrap.
10784 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10786 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10787 safe to include both string.h and strings.h together.
10788 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10789 which headers to search for function declarations. Continue to
10790 prefer string.h over strings.h when both are not acceptable.
10792 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10794 * configure.in: Call GCC_HEADER_STRING.
10796 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10797 to include. Continue to prefer string.h over strings.h when both
10798 are not acceptable.
10800 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10802 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10803 not assume top 32-bits of symbolic addresses are zero if
10806 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10808 * ginclude/va-alpha.h: Protect entire second portion of the
10809 file against double inclusion.
10811 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10813 Added support for the Boehm's garbage collector.
10814 * configure.in: Handle --enable-objc-gc.
10815 * configure: Rebuilt.
10816 * Makefile.in (CHECK_TARGETS): Add check-objc.
10817 (check-objc): New rule.
10818 * objc/Make-lang.in: Build a different Objective-C library that
10819 runs with the Boehm's collector.
10820 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10821 * objc/encoding.c: Correctly compute the size of compound types in
10822 the presence of bitfields. Skip the variable name of the type if
10823 any. Added support for long long.
10824 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10825 (_F_GCINVISIBLE): New mask.
10826 * objc/gc.c: New file. Compute the type memory mask associated with
10827 a class based on the runtime information.
10828 * objc/misc.c: Added the hooks that use the Boehm's collector
10829 allocation functions.
10830 * objc/objc-act.c (build_class_template): Generate a new class
10831 member (gc_object_type) to hold the class' type memory mask.
10832 (build_shared_structure_initializer): Initialize the new member to
10834 (encode_complete_bitfield): New function. Generate the new
10836 (encode_field_decl): Generate the new encoding only for the GNU
10838 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10840 (class_get_gc_object_type): New function to mark a pointer instance
10841 variable as a weak pointer.
10842 * objc/objc-features.texi: New file.
10843 * objc/objc.h (gc_object_type): New class member.
10844 * objc/objects.c (class_create_instance): Create a typed memory
10845 object when compiled with Boehm's collector support.
10846 * objc/sendmsg.c (__objc_init_install_dtable): Call
10847 __objc_send_initialize instead of setting the initialize flag.
10848 (__objc_send_initialize): Call __objc_generate_gc_type_description
10849 to generate the class type memory mask. Rewrite the code that
10850 sends the +initialize so that it is called only once (bug report
10851 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
10852 * testsuite/objc: New testsuite for Objective-C type encoding.
10853 * testsuite/lib/objc-torture.exp: New file.
10854 * testsuite/lib/objc.exp: New file.
10856 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
10858 * jump.c (jump_optimize): In if/then/else transformations, add
10859 another call to modified_between_p for the jump insn.
10861 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
10863 * fix-header.c (symlink): Treat like readlink.
10865 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10867 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
10870 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
10872 * config/nextstep.h: Update HANDLE_PRAGMA macro.
10873 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
10874 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
10876 * config/nextstep.c (handle_pragma): Take three arguments, as per
10877 the new HANDLE_PRAGMA macro specification.
10878 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
10879 per the new HANDLE_PRAGMA macro specification.
10880 * config/i960/i960.c (process_pragma): Take three arguments, as
10881 per the new HANDLE_PRAGMA macro specification.
10883 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
10885 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
10886 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
10887 if unknown pragmas are encountered.
10888 (handle_sysv_pragma): Interpret return code from
10889 handle_pragma_token (). Return success/failure indication rather
10890 than next unprocessed character.
10891 (pragma_getc): New function: retrieves characters from the
10892 input stream. Defined when HANDLE_PRAGMA is enabled.
10893 (pragma_ungetc): New function: replaces characters back into the
10894 input stream. Defined when HANDLE_PRAGMA is enabled.
10896 * c-pragma.c (handle_pragma_token): Return success/failure status
10899 * c-pragma.h: Change prototype of handle_pragma_token().
10901 * varasm.c: (handle_pragma_weak): Only create this function if
10902 HANDLE_PRAGMA_WEAK is defined.
10904 * c-common,c (decl_attributes): If defined call the expression
10905 contained within the INSERT_ATTRIBUTES macro before adding
10906 attributes to a decl.
10908 * tm.texi (HANDLE_PRAGMA): Document the new verion of
10909 HANDLE_PRAGMA, which takes three arguments.
10910 (INSERT_ATTRIBUTES): Document this new macro.
10912 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
10913 new INSERT_ATTRIBUTES macro.
10915 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10917 * config/sparc/sparc.md (movdf): Only generate special RTL for
10918 LABEL_REFs when PIC.
10919 (move_label_di): Remove
10920 (movdi_pic_label_ref, movdi_high_pic_label_ref,
10921 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
10922 references when PIC.
10923 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
10924 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
10925 output an .xword for all 64-bit cases.
10927 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10929 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10930 alignment, use FUNCTION_BOUNDARY instead.
10931 (sparc_output_deferred_case_vectors): Likewise.
10933 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10935 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10936 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10938 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10940 * alpha/va_list.h: New file.
10941 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10943 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10945 * NEWS: Add SCO Openserver and Unixware 7 notes.
10949 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10951 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10952 (record_constant_1): Handle RANGE_EXPR.
10954 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10956 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
10957 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
10958 and NOTE_INSN_RANGE_END specially.
10959 (reemit_notes): Likewise.
10961 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10963 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
10964 (ultrasparc_sched_init): Remove unneeded &.
10966 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10968 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
10969 for m68020-60, to prevent the use of fintrz.
10971 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
10973 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
10975 * Makefile.in: Likewise.
10976 * configure: Regenerated.
10978 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
10980 * configure.in (gxx_include_dir): Changed to
10981 '${prefix}/include/g++'-${libstdcxx_interface}.
10982 * configure: Rebuilt.
10984 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
10986 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
10988 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
10989 *sequences* *below* which scalar moves will be used.
10991 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
10993 * collect2.c (mktemp): Delete unused declaration.
10995 * config/xm-netbsd.h: Remove unnecessary file.
10996 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
10997 file anymore, it is not needed.
10999 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
11001 * convert.c (convert_to_integer): Issue an error on conversions to
11004 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
11006 * Makefile.in: Add lang_tree_files and gencheck.h.
11007 * configure.in: Generate them.
11008 * gencheck.c: Include gencheck.h.
11010 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11012 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
11013 movdi_lo_sum_pic and movdi_high_pic and make visible.
11014 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
11015 emit these when Pmode is not SImode.
11016 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
11018 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
11020 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
11021 .linkonce directive after the first time.
11023 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
11025 * m68k.md (beq0_di): Generate correct (and more efficient) code when
11026 the clobbered operand overlaps with an input.
11027 (bne0_di): Similarly.
11029 * Makefile.in (INSTALL): Remove "--no-header" argument.
11031 * NEWS: Various updates.
11033 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11035 * config/sparc/sparc.c (arith_operand, const64_operand,
11036 const64_high_operand, arith_double_4096_operand): Mark mode as
11038 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
11040 (sparc_emit_set_const64): Remove unused variable i.
11041 (sparc_splitdi_legitimate): Likewise for addr_part.
11042 (ultra_code_from_mask): Likewise for mask.
11043 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
11044 reverse return values so it matches usage and comments.
11045 (ultra_flush_pipeline): Likewise.
11046 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
11047 this_type, and allow loads and stores of differing FP modes as
11048 they do not create a conflict.
11049 (ultra_find_type): Initialize fpmode to SFmode, fix
11050 parenthesization thinkos in large conditional.
11051 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
11052 Init free_slot_mask after ultra_cur_hist is reset, not before.
11053 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
11054 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
11055 use ultra_flush_pipeline instead, then re-init group pointer.
11056 Fix statement with no effect. If no progress made in, and no
11057 instructions scheduled at all, advance to new pipeline cycle else
11058 we get into an endless loop.
11059 (ultrasparc_adjust_cost): Remove previous arg.
11060 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
11062 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
11064 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
11065 code. Use reg_overlap_mentioned_p to detect when source and
11066 destination overlap.
11067 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
11069 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
11071 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
11072 COMPARISON_VAL, into invariant_p.
11074 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11076 * regmove.c (regclass_compatible_p): New function.
11077 (regmove_optimize): Use it.
11079 Use NREGS parameter insted of calling max_reg_num.
11081 (fixup_match_1): Don't use code = MINUS when later tieing with
11082 a hard register is likely.
11084 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11086 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
11087 COMPARISON_VAL was normalized.
11089 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
11091 * loop.c (check_dbra_loop): The loop ending comparison value
11092 must be an invariant or we can not reverse the loop.
11094 * loop.c (scan_loop): Count down from max_reg_num - 1 to
11095 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
11097 (load_mems_and_recount_loop_regs_set): Likewise.
11099 * i386.c (print_operand): Remove obsolete 'c' docs.
11101 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
11103 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
11104 * frame.c (init_object_mutex): New function.
11105 (init_object_mutex_once): Likewise.
11106 (find_fde): Call it.
11107 (__register_frame_info): Likewise.
11108 (__register_frame_info_table): Likewise.
11109 (__deregister_frame_info): Likewise.
11111 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
11113 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
11115 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11117 * loop.c (check_dbra_loop): Enable code for reversal
11118 of some loops without a known constant loop end.
11120 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
11122 * haifa-sched.c (last_clock_var): New.
11123 (schedule_block): Initialize it.
11124 (schedule_insn): Use it to fill insn modes with issue information.
11126 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
11127 Tag trapb and next insn with TImode.
11128 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
11129 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
11130 Invoke alphaev5_align_insns as appropriate.
11131 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
11132 (MD_SCHED_VARIABLE_ISSUE): New.
11133 * alpha.md (attr type): Add multi.
11134 (define_asm_attributes): New.
11135 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
11136 (arg_home): Likewise.
11137 (fnop, unop, realign): New.
11139 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
11141 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
11142 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
11144 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
11145 (rs6000-ibm-aix4.[12]*): Likewise.
11146 * configure: Regnerate.
11148 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
11150 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
11151 already contains the return address.
11153 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
11155 * calls.c (expand_call): Use bitfield instructions to extract/deposit
11156 word sized hunks when loading unaligned args into registers.
11158 * haifa-sched.c (sched_analyze_insn): Only create scheduling
11159 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
11161 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
11163 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11165 * loop.c (check_dbra_loop): Add some code that would allow reversal
11166 of some loops without a known constant loop end if it were enabled.
11168 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
11170 * mips.md (lshrsi3_internal2+2): Fix type-o.
11172 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11174 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
11175 correctly with regards to stdio.h.
11177 * calls.c: Remove stdarg.h/varargs.h.
11178 * cccp.c: Likewise.
11179 * cexp.y: Likewise.
11180 * combine.c: Likewise.
11181 * cpperror.c: Likewise.
11182 * cpplib.c: Likewise.
11183 * cpplib.h: Likewise.
11184 * doprint.c: Likewise.
11185 * emit-rtl.c: Likewise.
11186 * final.c: Likewise.
11187 * fix-header.c: Likewise.
11189 * genattr.c: Likewise.
11190 * genattrtab.c: Likewise.
11191 * gencodes.c: Likewise.
11192 * genconfig.c: Likewise.
11193 * genemit.c: Likewise.
11194 * genextract.c: Likewise.
11195 * genflags.c: Likewise.
11196 * genopinit.c: Likewise.
11197 * genoutput.c: Likewise.
11198 * genpeep.c: Likewise.
11199 * genrecog.c: Likewise.
11200 * mips-tfile.c: Likewise.
11201 * prefix.c: Likewise.
11202 * protoize.c: Likewise.
11203 * regmove.c: Likewise.
11204 * toplev.c: Likewise.
11205 * tree.c: Likewise.
11207 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11209 * config/sparc/sparc.c (sparc_override_options): If not
11210 TARGET_FPU, turn off TARGET_VIS.
11211 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
11212 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
11213 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
11214 (movdi_insn_sp64): Add VIS fzero alternative.
11215 (clear_sf, clear_df): New VIS patterns.
11216 (movsf, movdf expanders): Allow fp_zero_operand flat out when
11218 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
11220 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
11222 * loop.c (n_times_set, n_times_used, may_not_optimize,
11223 reg_single_usage): Convert to varrays. All uses changed.
11224 (insert_loop_mem): Return a value.
11225 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
11226 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
11229 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
11232 * configure.in: Do not set thread_file to "irix" since no such
11233 support exists yet.
11235 * sparc.md (float abs/neg splits): Check reload_completed before
11236 calling alter_subreg.
11238 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11240 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
11242 * config/sparc/sparc.h: Declare it.
11243 * config/sparc/sparc.md (float abs/neg splits): Use it.
11244 (all other splits): Handle SUBREGs properly where necessary.
11245 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
11247 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
11249 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
11250 an insn on the unfilled_slots_list that has no delay slots.
11251 (fill_eager_delay_slots): Similarly.
11253 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
11255 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
11256 as an ordinary operand.
11258 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
11260 * tree.c (valid_machine_attribute): Don't apply attributes to both
11263 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
11265 * reload.c (operands_match_p): Handle rtvecs.
11267 * i386.c (legitimate_pic_address_disp_p): New.
11268 (legitimate_address_p): Use it.
11269 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
11270 Handle constant pool symbols just like statics.
11271 (emit_pic_move): Use Pmode not SImode for clarity.
11272 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
11273 [UNSPEC]: New, handling what we killed above.
11274 [PLUS]: Detect and abort on invalid symbol arithmetic.
11275 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
11277 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
11279 * alias.c: Include output.h.
11280 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
11281 different if we're in a varargs function.
11282 * Makefile.in (alias.o): Depend on output.h
11284 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11286 * sh.h (GIV_SORT_CRITERION): Delete.
11288 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
11290 * regclass.c (regclass): Use xmalloc/free instead of alloca.
11291 * stupid.c (stupid_life_analysis): Ditto.
11292 * reload1.c (reload): Ditto.
11294 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
11296 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
11297 arith_double_4096_operand, arith_double_add_operand): New
11299 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
11300 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
11301 them to transform add/sub 4096 into add/sub -4096.
11303 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11305 * loop.c (scan_loop): Allocate some slop to handle pseudos
11306 generated by move_movables.
11307 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
11310 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
11312 * tree.def (DECL_RESULT): Correct documentation.
11314 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11316 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
11317 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
11318 conflicts will all RELOAD_FOR_OUTPUT reloads.
11320 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
11321 loads the function result, substitute with a USE.
11323 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
11325 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
11326 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
11327 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
11328 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
11329 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
11330 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
11332 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
11333 'o' to 'm' for GPR variant constraints.
11335 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
11337 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
11339 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
11341 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
11342 when the source and destination overlap.
11344 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11345 clash with global type.
11347 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11349 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11351 * c-common.c (combine_strings): Also set TREE_READONLY.
11352 Change warn_write_strings to flag_const_strings.
11353 * c-decl.c, c-tree.h: Likewise.
11355 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11357 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11358 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11359 sequence, use SET/IOR instead so CSE can see it.
11360 * config/sparc/sparc.md (movhi_const64_special,
11361 movsi_const64_special): New patterns necessitated by that change.
11362 (movhi_high): Remove.
11363 (movhi_lo_sum): Change to match an IOR.
11364 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11365 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11366 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11367 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11368 registers are involved.
11369 (snesi_zero_extend split): Remove reload_completed test.
11370 (unnamed plus and minus zero_extend sidi splits): Add it.
11372 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11374 * extend.texi: Remove description of extension to explicit
11375 instantiation that is now endorsed by standard C++.
11377 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11379 * config/arc/arc.c (arc_initialize_pic): Remove.
11380 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11381 nothing on any platform and is invoked by no-one, it does not even
11382 appear in the documentation.
11383 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11384 * config/sparc/sparc.c (initialize_pic): Likewise.
11385 (find_addr_reg): Remove this as well, no longer referenced after
11388 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11390 * recog.c (validate_replace_rtx_group): New function.
11391 * recog.h (validate_replace_rtx_group): Declare it.
11392 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11393 the entire group of substitutions.
11395 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11397 * loop.c (load_mems): Fix initializers.
11399 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11401 * config/sparc/sparc.md (TFmode splits): Handle destination
11402 registers being referenced in the address correctly.
11404 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11405 TREE_UNSIGNED, when bitsize of type's mode is larger than
11406 HOST_BITS_PER_WIDE_INT.
11408 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11410 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11411 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11412 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11414 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11417 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11419 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11420 * h8300.h (TINY_DATA_NAME_P): Likewise.
11421 (STRIP_NAME_ENCODING): Handle '&'.
11423 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11424 register (it could be accessed via an outer SUBREG).
11425 (REG_OK_FOR_BASE_P): Likewwise.
11426 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11428 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11431 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11433 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11435 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11436 must be offsettable so the splits can be made.
11438 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11440 * config/i386/winnt.c: Include system.h, not stdio.h to get
11441 sys/param.h pulled in before rtl.h in case the system defines MIN
11444 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
11446 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11448 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11450 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11452 * cpplib.c (cpp_define): Handle macros with parameters.
11454 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
11456 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11457 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11458 and DImode 64-bit. Use llong for minimal-toc SFmode and
11459 SYMBOL_REF / LABEL_REF 64-bit.
11460 (output_function_profiler): Use llong for profiler label and ld to
11461 load 64-bit label address.
11463 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11465 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11468 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11470 * version.c: Bump for snapshot.
11472 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11474 * version.c: Bump for snapshot.
11476 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11478 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11480 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11482 * tm.texi (Misc): Fix typo "teh".
11484 * tm.texi (PIC): Fix typo "PPIC".
11486 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11487 effect when -O2 and higher.
11488 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11490 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11492 * regclass.c: Changed register set documentation to be consistent
11493 with GCC behaviour.
11495 * final.c (final_start_function) Removed redundant test for
11498 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11500 * rtl.h (rtx_function): New type.
11501 (for_each_rtx): New function.
11502 * rtlanal.c (for_each_rtx): Define it.
11504 * recog.c (change_t): New type.
11505 (change_objects, change_old_codes, change_locs, change_olds):
11507 (changes): New variable.
11508 (validate_change): Dynamically allocate room for more changes, if
11509 necessary. Uses changes array instead of change_objects, etc.
11510 (apply_change_group): Use changes array instead of
11511 change_objects, etc.
11513 * loop.c (loop_mem_info): New type.
11514 (loop_mems): New variable.
11515 (loop_mems_idx): Likewise.
11516 (looop_mems_allocated): Likewise.
11517 (scan_loop): Remove nregs parameter.
11518 (next_insn_in_loop): New function.
11519 (load_mems_and_recount_loop_regs_set): Likewise.
11520 (load_mems): Likewise.
11521 (insert_loop_mem): Likewise.
11522 (replace_loop_mem): Likewise.
11523 (replace_label): Likewise.
11524 (INSN_IN_RANGE_P): New macro.
11525 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11526 (scan_loop): Remove nregs parameter, compute it after any new
11527 registers are created by load_mems. Use INSN_IN_RANGE_P and
11528 next_insn_in_loop rather than expanding them inline. Call
11529 load_mems to load memory into pseudos, if appropriate.
11530 (prescan_loop): Figure out whether or not there are jumps from the
11531 loop to targets other than the label immediately following the
11532 loop. Call insert_loop_mem to notice all the MEMs used in the
11533 loop, if it could be safe to pull MEMs into REGs for the duration
11535 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11537 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11539 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11541 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11543 * config/sparc/sparc.c (finalize_pic): Check for the correct
11544 nonlocal_goto_receiver UNSPEC number.
11545 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11546 making note of this dependency existing in sparc.c
11547 (negtf2_notv9 split): Give NEG SFmode.
11548 (negsf2): Fix insn output string.
11550 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11552 * c-common.c (decl_attributes): Issue an error if the argument
11553 to alias is not a string.
11555 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11557 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11558 pending memory flush list.
11560 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11562 (try_combine): Allow combining insns with REG_LIBCALL notes.
11564 * expr.c (emit_block_move): Do not call memcpy as a libcall
11565 instead build up a CALL_EXPR and call it like any other
11567 (clear_storage): Similarly for memset.
11569 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11572 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11575 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11576 and REG_LIVE_LENGTH as successful substitutions are made.
11578 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11580 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11581 statement after end of loop label.
11583 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11585 * config/sparc/sparc.c (ultra_types_avail): New variable.
11586 (ultra_build_types_avail): New function to record mask of insn
11587 types in ready list at this cycle.
11588 (ultrasparc_sched_reorder): Call it.
11589 (ultra_find_type): Use it to quicken the search. Also simplif
11590 dependency check, don't use rtx_equal_p because we know exactly
11591 what we are looking for.
11593 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11595 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11596 for architecture v4.
11598 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11600 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11602 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11603 movdf_const_intreg and helper splits): New patterns to move float
11604 constants into integer registers.
11605 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11608 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11611 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11613 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11615 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11616 a BASE_REGS register is needed as an intermediate when copying
11617 a symbolic value into any register class other than BASE_REGS.
11619 * expr.c (move_by_pieces): No longer static. Remove prototype.
11620 * rtl.h (move_by_pieces): Add extern prototype.
11621 * mips.c (expand_block_move): Handle aligned straight line copy by
11622 calling move_by_pieces.
11624 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11627 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11629 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11630 jumps out of the loop to be treated as part of the exit test.
11632 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11633 Jeff Law <law@cygnus.com>
11635 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11636 * cplus-dem.c: Delete.
11638 * Makefile.in (fold-const.o): depend on $(RTL_H).
11640 * fold-const.c: Include rtl.h to get the prototype for
11641 `set_identifier_local_value'.
11643 * loop.c (express_from_1): Remove unused variable `tmp'.
11644 (combine_givs): cast the first argument of bzero to char *.
11646 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11648 * c-decl.c (init_decl_processing): Remove unneeded &.
11650 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11652 * except.c (set_exception_lang_code, set_exception_version_code):
11653 Change parameter from `short' to `int' to avoid using a gcc
11656 * except.h (set_exception_lang_code, set_exception_version_code):
11657 Likewise for prototypes.
11659 * flow.c (count_reg_references): Remove unused variables `regno'
11662 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11664 * prefix.c (translate_name): Cast the result of `alloca'.
11666 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11668 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11670 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11671 Include "toplev.h".
11672 (valid_dbcc_comparison_p): Mark mode argument as unused.
11673 (symbolic_operand): Likewise.
11674 (legitimize_pic_address): Likewise.
11675 (const_uint32_operand): Likewise.
11676 (const_sint32_operand): Likewise.
11677 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11678 schedule_insns and comment out rest of file.
11680 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11682 (output_move_[hq]imode): Likewise.
11684 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11686 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11687 * invoke.texi: Corresponding changes.
11689 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11691 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11693 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11695 * config/sparc/sparc.c (ultra_code_from_mask,
11696 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11697 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11698 ultrasparc_sched_init, ultrasparc_variable_issue,
11699 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11700 functions to describe UltraSPARC pipeline exactly to Haifa.
11701 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11702 as there is nothing the scheduler can do about it. Indicate that
11703 REG_DEP_OUTPUT's collide. Fixup formatting.
11704 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11705 divide costs on Ultra for DImode.
11706 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11708 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11709 ieuN and add call_no_delay_slot to type list.
11710 (cti function unit): New unit for branches on UltraSPARC.
11711 (subx/addx insns): Set type to misc.
11712 (sidi zero/sign extension insns on arch64): Set type to shift.
11713 (sign_extendhidi2_insn): Set type to sload.
11715 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
11717 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11718 (output_epilog): Use if != 0 for offset.
11719 (rs6000_fatal_bad_address): Prepare for Intl.
11720 * rs6000.h (rs6000_fatal_bad_address): Declare.
11721 * rs6000.md (movsfcc, movdfcc): Use else if.
11722 (elf_high): Use {liu|lis}.
11723 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11724 (movsi): Use rs6000_fatal_bad_address.
11726 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11728 * reload.c (find_equiv_reg): Reject equivalences separated
11729 by a volatile instruction.
11731 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11733 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11735 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11737 * alpha.md (movsicc): Fix mode mismatch.
11739 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11741 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11743 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11745 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11747 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11748 write-only modifier from operand 1 constraint.
11750 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11752 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11753 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11755 (sparc_emit_set_const64): Likewise, also when computing trailing
11756 bits do not negate low_bits and make fast_int an int.
11758 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11760 * loop.c (add_label_notes): Do not ignore references to labels
11761 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11762 * gcse.c (add_label_notes): Similarly.
11764 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11766 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11767 (adddi_dishl32): Similarly.
11769 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11771 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11772 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11773 * cse.c (cse_basic_block): Add parens to shut up warnings.
11775 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11777 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11778 sparc_emit_set_const64_longway, const64_is_2insns,
11779 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11780 in 64-bit constant formation.
11781 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11782 rtl for addx not subx.
11783 (define_insn movdi_const64_special): Make available even when
11784 HOST_BITS_PER_WIDE_INT is not 64.
11785 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11786 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11787 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11788 instances of operand 1 inside a QI subreg.
11789 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11790 (one_cmpldi2_sp64): Fix output string.
11791 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11793 (unnamed arch64 ashift DI): Truncate shift count if greater than
11796 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11798 * expr.c (store_expr): Don't optimize away load-store pair
11799 when either source or destination have a side effect.
11801 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11803 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11804 operands of SET are incompatible.
11806 * alpha.md: Fix max and min patterns so modes of SET operands match.
11808 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11810 * configure.in: Avoid [[ by using test and changequote.
11811 * configure: Rebuild.
11813 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11815 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11817 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11818 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11819 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11820 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11821 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11822 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11823 Fix mismatching modes in SET operands.
11824 (conditional move patterns): Fix formatting.
11825 (unnamed subx arch64 pattern): Remove duplicate insn.
11827 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11829 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11830 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11831 (input_operand): Fixup test for what we accept for constant
11833 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11835 (safe_constDI): Remove.
11836 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11837 gen_safe_XOR64): New functions.
11838 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11839 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11841 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11842 available when HOST_BITS_PER_WIDE_INT is not 64.
11843 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
11844 move before movdi_insn_sp64 pattern.
11845 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
11846 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
11847 symbolic_operand as predicate for second operand.
11848 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
11849 expander): Give set VOIDmode.
11851 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
11853 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
11855 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
11857 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
11859 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
11861 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
11863 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
11865 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
11867 * install.texi: Various SCO OpenServer tweaks.
11869 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
11871 * reload1.c (eliminate_regs_in_insn): Handle another case when
11872 eliminating the frame pointer to the hard frame pointer. Add
11873 missing ep->to_rtx check to one existing case.
11875 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
11877 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
11879 * tree.h: De-conditionalize init_priority code.
11881 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
11882 * collect2.c (NM_FLAGS): Change from -p to -n.
11884 * configure.in: Turn on collect2 for mipstx39-elf.
11885 Handle use_collect2=no properly.
11887 * c-common.c: De-conditionalize init_priority code.
11888 * collect2.c (extract_init_priority, sort_ids): New fns.
11889 (main): Call sort_ids.
11890 Move sequence_number to file scope.
11892 * configure.in: Handle --enable-init-priority.
11893 * c-common.c (attrs): Add A_INIT_PRIORITY.
11894 (init_attributes, decl_attributes): Likewise.
11895 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
11896 * tree.c (get_file_function_name_long): Split out...
11897 (get_file_function_name): ...from here.
11899 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
11901 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
11904 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
11906 * toplev.c (display_help): Add braces to shut up warnings.
11907 * tree.c (simple_cst_equal): Likewise.
11909 * fold-const.c (non_lvalue): Don't deal with null pointer
11911 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11913 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
11914 of any size to a pointer.
11916 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
11918 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
11920 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
11922 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
11923 which will be saved.
11924 * mn10300.md (prologue insn): Only save registers which need saving.
11925 (epilogue insn): Similarly.
11927 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11930 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11932 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11933 VAR_DECL's in gp addressable sections.
11935 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11937 * sparc.c: Change return <exp> to <exp>; return; in functions
11939 * sparc.md: Add empty semicolon statement after final label in
11942 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11944 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11945 addx_extend_sp64, only allow when TARGET_ARCH64.
11946 (define_insn addx_extend_sp32 and split): Version that works when
11948 (define_insn subx_extend): Likewise.
11949 (define_split adddi3 and subdi3 with zero extension): Fixup and
11950 correct bugs when not TARGET_ARCH64.
11952 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11954 * except.c (set_exception_lang_code, set_exception_version_code):
11955 Use prototype-style definition if __STDC__, to match declaration
11958 * genemit.c: Change FAIL and DONE macros not to use loops.
11960 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
11962 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
11963 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
11965 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
11967 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
11969 * README.g77: Update from Craig.
11971 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11973 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
11974 type HOST_WIDE_INT.
11975 (safe_constDI sparc_emit_set_const64_quick1,
11976 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11977 analyze_64bit_constant, const64_is_2insns,
11978 create_simple_focus_bits): Fix some bugs when compiled on real
11980 (function_arg_record_value_3, function_arg_record_value_2,
11981 function_arg_record_value): Add fully prototyped forward decls.
11982 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
11983 to cmpsi_insn and use on both 64 and 32 bit targets.
11984 (define_insn cmpsi_insn_sp64): Remove.
11985 (define_expand zero_extendsidi2): Allow for 32-bit target too.
11986 (define_insn zero_extendsidi2_insn): Rename to
11987 zero_extendsidi2_insn_sp64.
11988 (define_insn zero_extendsidi2_insn_sp32): New pattern and
11989 assosciated forced split for it.
11991 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11993 * config/sparc/sparc.h: Declare them.
11994 (PREDICATE_CODES): Add them.
11995 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
11996 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
11998 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
12000 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
12001 in v9 case as the latter makes the Solaris assembler crash.
12003 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12005 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
12006 for TFmode when !v9. We require offsettable memory addresses.
12007 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
12008 DFmode register number conversions.
12009 * config/sparc/sparc.md (define_split DFmode moves): If register
12010 is a SUBREG do alter_subreg on it before using.
12011 (define_expand movtf): Fixup comment about alignment on v9.
12012 (define_split TFmode moves): Don't use gen_{high,low}part, create
12013 explicit SUBREGs instead.
12015 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
12017 * Makefile.in (mbchar.o): Depend on mbchar.c.
12019 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12020 Richard Henderson <rth@cygnus.com>
12022 Rewrite Sparc backend for better code generation and
12023 improved sparc64 support.
12024 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
12026 * config/sparc/sysv4.h: Likewise.
12027 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
12028 move_operand, v8plus_regcmp_op, emit_move_sequence,
12029 singlemove_string, doublemove_string, mem_aligned_8,
12030 output_move_double, output_move_quad, output_fp_move_double,
12031 move_quad_direction, output_fp_move_quad, output_scc_insn):
12033 (small_int_or_double): New predicate.
12034 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
12035 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
12036 old pic_{sethi,lo_sum}_si patterns.
12037 (mem_min_alignment): New generic function to replace
12038 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
12039 available and can test for arbitrary alignments. All callers
12041 (save_regs, restore_regs, build_big_number,
12042 output_function_prologue, output_cbranch, output_return,
12043 sparc_flat_save_restore, sparc_flat_output_function_prologue,
12044 sparc_flat_output_function_epilogue): Prettify
12046 (output_function_epilogue): Likewise and add code to output
12047 deferred case vectors.
12048 (output_v9branch): Likewise, add new arg INSN and use it to tack
12049 on branch prediction settings. All callers changed.
12050 (print_operand): Likewise and output %l44 for LO_SUMs when
12052 (sparc_splitdi_legitimate): New function to make sure DImode
12053 splits can be run properly when !arch64.
12054 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
12055 Reformat example code in comments.
12056 (set_extends): Remove UNSPEC/v8plus_clear_high case.
12057 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
12058 of deferred case vectors we need to output.
12059 (sparc_defer_case_vector): Record a case vector.
12060 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
12061 sparc_output_deferred_case_vectors): New functions to output them.
12062 (sparc_emit_set_const32): New function to form 32-bit constants in
12063 registers when that requires more than one instruction.
12064 (safe_constDI, sparc_emit_set_const64_quick1,
12065 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
12066 analyze_64bit_constant, const64_is_2insns,
12067 create_simple_focus_bits, sparc_emit_set_const64): New functions
12068 which do the same for 64-bit constants when arch64.
12069 (sparc_emit_set_symbolic_const64): New function to emit address
12070 loading for all code models on v9.
12071 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
12072 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
12073 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
12074 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
12075 inaccuracies in comments, add symbolic and text_segment operands
12076 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
12077 GENERAL_REGS in these cases as a temp REG is needed to load these
12078 addresses into a register properly.
12079 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
12081 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
12082 quads are guarenteed to have 16-byte alignment.
12083 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
12084 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
12085 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
12086 deferred case vector implementation.
12087 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
12088 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
12089 Generate "internal label - label" instead of "label - 1b".
12090 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
12091 (PREDICATE_CODES): Remove sparc_operand, move_operand,
12092 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
12094 (doublemove_string, output_block_move, output_fp_move_double,
12095 output_fp_move_quad, output_move_double, output_move_quad,
12096 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
12097 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
12098 (sparc_emit_set_const32, sparc_emit_set_const64,
12099 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
12100 mem_min_alignment, small_int_or_double): Add externs.
12101 * config/sparc/sparc.md: Document the many uses of UNSPEC and
12102 UNSPEC_VOLATILE in this backend.
12103 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
12104 unary to types which execute in it.
12105 (define_function_unit ieu_shift): Rename to ieu0.
12106 (define_function_unit ieu1): New, executes compare, call, and
12107 uncond_branch type insns.
12108 (define_function_units for type fdivs, fdivd, fsqrt): These
12109 execute in the fpu multiply unit not the adder on UltraSparc.
12110 (define_expand cmpdi): Disallow TARGET_V8PLUS.
12111 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
12112 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
12113 allows the arith_double_operand predicate and rHI constraint when
12115 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
12116 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
12117 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
12118 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
12119 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
12120 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
12121 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
12122 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
12123 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
12124 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
12125 sign_extendqihi2_insn, sign_extendqisi2_insn,
12126 sign_extendqidi2_insn, sign_extendhidi2_insn,
12127 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
12128 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
12129 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
12130 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
12131 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
12132 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
12133 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
12134 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
12135 smulsi3_highpart_v8plus, unnamed subreg mult,
12136 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
12137 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
12138 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
12139 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
12140 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
12141 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
12142 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
12143 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
12144 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
12145 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
12146 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
12147 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
12148 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
12149 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
12150 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
12151 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
12152 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
12153 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
12154 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
12155 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
12156 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
12157 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
12158 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
12159 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
12160 call_address_untyped_struct_value_sp32,
12161 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
12162 call_value_symbolic_sp32, call_value_address_sp64,
12163 call_value_symbolic_sp64, branch_sp32, branch_sp64,
12164 flush_register_windows, goto_handler_and_restore,
12165 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
12166 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
12167 return_addsi, return_di, return_adddi, return_sf, all call+jump
12168 peepholes, trap, unnamed trap insns): Prettify output strings.
12169 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
12170 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
12171 Likewise and force + implement splits for integer cases.
12172 (define_insn return_sf_no_fpu): Likewise and allow to match when
12173 no-fpu because of our subreg SFmode splits.
12174 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
12175 zero_extendqidi2_insn, zero_extendhidi2_insn,
12176 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
12177 input_operand for second operand.
12178 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
12179 reg_or_0_operand for operand 2 so new splits can use it.
12180 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
12181 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
12183 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
12184 CONST_DOUBLEs for operand 2.
12185 (define_insn move_label_di): Likewise and label distance
12186 optimization because it no longer works with new deferred case
12187 vector scheme. To be revisited.
12188 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
12189 and allow reg_or_0_operand and J constraint for second operand.
12190 (define_insn jump): Set branch predict taken on V9.
12191 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
12192 new deferred case vector scheme.
12193 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
12194 (define_insn negdi2_sp32): Force + implement splits.
12195 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
12196 one_cmplsi2_not_liveg0 respectively, and create expander of original
12197 names which emit special rtl for TARGET_LIVE_G0.
12198 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
12199 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
12200 gen_compare_reg, FAIL instead.
12201 (define_insn sgtu, sleu): Likewise and check gen_s*() return
12202 values when trying to reverse condition codes, if they FAIL then
12204 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
12205 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
12206 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
12207 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
12208 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
12209 set output string to # to indicate they are mandatory splits.
12210 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
12211 pic_sethi_di, move_pic_label_si): Remove.
12212 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
12213 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
12215 (define_expand movsi_pic_label_ref, define_insn
12216 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
12217 expander and insns to handle PIC label references and deferred
12219 (define_insn get_pc_via_rdpc): Comment out as it is no longer
12221 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
12222 Rewrite to not use emit_move_sequence, make use of new constant
12223 formation code, and new splits for all multi-insn cases.
12224 (define_insn movqi_insn): Remove sethi case, it can never happen.
12225 Use reg_or_zero_operand instead of const0_rtx explicit test,
12226 use input_operand instead of move_operand for source, and use
12227 general_operand now for dest.
12228 (define_insn movhi_insn): Similar but leave sethi case.
12229 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
12230 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
12231 movhi_lo_sum respectively, prettify output string.
12232 (define_insn movsi_zero_liveg0): New pattern to put zero into a
12233 register when needed on TARGET_LIVE_G0.
12234 (define_insn movsi_insn): Use general_operand and input_operand
12235 for dest and src respectively. Simplify applicability test.
12236 Prettify output strings, and add clr alternative for J
12238 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
12239 deprecated std and reg-reg DI moves): Remove and...
12240 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
12241 implementation which uses forced splits for all non-single insn
12243 (define_split DI move cases on !arch64): New splits to handle all
12244 situations of 64-bit double register DImode on 32bit, and
12245 unaligned registers and memory addresses for all subtargets.
12246 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
12248 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
12249 input_operand for dest and src respectively, prettify output
12251 (define_insn movdf_insn, movdf_no_e_insn, store_df,
12252 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
12254 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
12255 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
12256 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
12257 movtf_no_e_insn_sp64) Replace with new
12258 implementation which uses forced splits for all non-single insn
12260 (define_split DF move cases): New splits in similar vein to DI
12262 (define_insn sethi_di_medlow, sethi_di_medium_pic,
12263 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
12264 movdi_sp64_insn): Remove old v9 code model and constant loading
12265 support insns and..
12266 (define_insn pic_lo_sum_di, pic_sethi_di,
12267 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
12268 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
12269 embmedany_sethi, embmedany_losum, embmedany_brsum,
12270 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
12271 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
12272 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
12273 scheme, using unspecs, secondary reloads, and one to one sparc
12274 insn to rtl insn mapping for better scheduling and code gen.
12275 (define_expand reload_indi, reload_outdi): Reload helpers for
12276 MEDANY and EMBMEDANY symbol address loading cases which require a
12277 temporary register.
12278 (define_expand movsicc): Remove v8plus_regcmp cases.
12279 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
12280 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
12281 cmp_diqi_trunc_set): New patterns used by some of the new scc
12283 (define_insn xordi3_sp64_dbl): New pattern used for constant
12284 formation when crossing from 32-bit targets.
12285 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
12287 (define_insn addx, subx): Make visible and prettify.
12288 (define_insn adddi3_insn_sp32): Likewise and force split.
12289 (define_insn addx_extend, subx_extend, unnamed): New patterns for
12290 64bit scc split usage.
12291 (define_insn unnamed plusDI zero_extend, unnamed minusDI
12292 zero_extend, subdi3): Force and implement splits.
12294 * final.c (final_scan_insn): Don't output labels if target
12295 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
12298 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
12299 don't forget to walk inside SEQUENCESs too as these are what the
12300 delay slot scheduler will create.
12302 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
12304 * alpha.md (extxl+1,+2): New patterns to work around
12307 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
12309 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
12310 caused bad assembly code to be generated.
12312 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
12314 * netbsd.h: Fix typo.
12316 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
12318 * config.sub: Fix typo.
12320 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
12322 * invoke.texi (Environment Variables): Typo: Change "ascpects"
12324 (Running Protoize): Typo: Change "ther" into "other".
12326 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
12328 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
12329 * m68k/netbsd.h: Likewise.
12330 * ns32k/netbsd.h: Likewise.
12331 * sparc/netbsd.h: Likewise.
12333 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
12335 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
12336 * ginclude/va-clipper.h (va_list): Likewise.
12338 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
12340 * rs6000.c (rs6000_override_options): If big endian and -Os, use
12341 load/store multiple instructions unless user overrides.
12343 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12345 * ns32k/netbsd.h: Fix typo.
12347 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12349 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12350 labels with .debugsym if no parallel insns.
12352 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12354 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12355 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12357 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
12359 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12360 (AR_FOR_TARGET): Define.
12362 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12364 * dyn-string.h: New file.
12365 * dyn-string.c: Likewise.
12366 * Makefile.in (OBJS): Add dyn-string.o.
12367 (dwarf2out.o): Add dyn-string.h dependency.
12368 (dyn-string.o): List dependencies.
12369 * dwarf2out.c: Include dyn-string.h.
12370 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12371 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12372 prototype. Use dyn_string_append rather than strcat, throughout.
12373 (addr_to_string): Use dyn_string_t.
12375 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12377 Function entry/exit profiling instrumentation:
12378 * expr.h (profile_function_entry_libfunc,
12379 profile_function_exit_libfunc): Declare new variables.
12380 * optabs.c: Define them here.
12381 (init_optabs): Initialize them.
12382 * tree.h (struct tree_decl): New flag
12383 no_instrument_function_entry_exit.
12384 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12385 * c-decl.c (duplicate_decls): Merge it.
12386 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12387 (init_attributes): Use it for "no_instrument_function".
12388 (decl_attributes): Handle it, for functions that have not yet been
12389 compiled. Set decl flag.
12390 * flags.h (flag_instrument_function_entry_exit): Declare new
12392 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12393 (f_options): New option "instrument-functions".
12394 * function.h (struct function): New field instrument_entry_exit.
12395 * function.c (current_function_instrument_entry_exit): New
12397 (push_function_context_to, pop_function_context_from): Save and
12399 (expand_function_start): Set current_ variable, maybe emit return
12400 label and entry profile call.
12401 (expand_function_end): Maybe emit exit profile call.
12403 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12405 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12406 NON_QI_REG_P, pretend the register is SImode.
12408 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12410 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12411 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12412 manufacturer id for ns32k.
12413 * configure: Regenerated.
12414 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12415 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12416 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12417 * config/m68k/netbsd.h: Same.
12418 * config/ns32k/netbsd.h: Same.
12419 * config/sparc/netbsd.h: Same.
12421 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12423 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12424 or UNROLL_COMPLETELY loop that starts with a jump to its
12427 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
12429 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12430 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12431 (print_operand, case 'B'): Don't fall through.
12432 (print_operand, case 'S'): Correct mask begin/end computation.
12433 Use HOST_BITS_PER_WIDE_INT.
12434 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12435 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12436 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12437 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12439 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12441 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12442 constraint from second alternative.
12444 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12446 * configure.in: Fix --without/--disable cases for local-prefix,
12447 gxx-include-dir and checking.
12449 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12451 * configure.in (enable_haifa): Set by default for sparc64 too.
12452 configure: Rebuilt.
12454 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12456 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12457 * i386/winnt.c (associated_type): New fn.
12458 (i386_pe_valid_type_attribute_p): New fn.
12459 (i386_pe_check_vtable_importexport): Remove.
12460 (i386_pe_dllexport_p): Use associated_type.
12461 (i386_pe_dllimport_p): Likewise.
12463 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12464 * i386.c (i386_valid_type_attribute_p): Also accept
12465 attributes for METHOD_TYPEs.
12467 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12469 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12471 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12473 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12475 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12476 them from generating a new base name for each occurence of
12479 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12481 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12483 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12487 * cplus-dem.c (type_kind_t): New type.
12488 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12489 on this paramter, rather than demangling the type again.
12490 (demangle_integral_value): Pass tk_integral.
12491 (demangle_template_: Pass the value returned from do_type.
12492 (do_type): Return a type_kind_t. Pass tk_integral to
12493 demangle_template_value_parm for array bounds.
12494 (demangle_fund_type): Likewise.
12496 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12498 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12501 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12503 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12505 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12507 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12509 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12512 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12514 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12515 (DEBUGGER_ARG_OFFSET): Likewise.
12517 * mn10300.md (movsf): Remove last change. Not needed.
12519 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12521 * c-lex.c (yylex): Fix boundary conditions in character literal and
12522 string literal loops.
12524 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12526 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12527 being invoked incorrectly.
12529 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12530 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12532 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12533 * configure.in: Added i[34567]86-*-win32
12534 * config.sub: Ditto.
12535 * configure: Rebuilt.
12537 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12539 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12540 the frame pointer and compiling PIC code and reload has not completed.
12542 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12545 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12547 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12549 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12551 * Makefile.in (install-info): Only try to update the info
12552 directory file if it exists in the first place.
12554 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12556 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12558 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12560 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12561 CONST_DOUBLE source.
12563 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12565 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12566 strings as the insertion of USER_LABEL_PREFIX.
12567 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12569 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12572 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12574 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12575 already defined type.
12577 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12579 * expr.c (check_max_integer_computation_mode): Allow conversions
12580 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12581 (expand_expr): Likewise.
12583 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12585 * expr.c (expand_expr): Expand RETURN_EXPR.
12587 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12589 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12591 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12593 * dwarf2out.c (output_aranges): Call stripattributes
12594 for TEXT_SECTION references.
12595 (output_line_info): Likewise.
12597 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12599 * profile.c (branch_prob): Call allocate_reg_info after outputting
12600 profile rtl in instrument_arcs.
12602 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12604 * fixinc.irix (math.h): Install wrapper instead of copying.
12606 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12608 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12609 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12610 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12611 lang_flag_0. Added documentation in the flag table.
12613 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12615 * cccp.c (do_include): Fix vax c style include handling.
12617 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12619 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12621 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12623 * fold-const.c (non_lvalue): Don't deal with null pointer
12625 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12627 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
12629 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12630 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12631 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12632 (u_short_cint_operand): Same.
12633 (reg_or_cint_operand): Same.
12634 (logical_operand): Same.
12635 (input_operand): Same.
12636 (reg_or_short_operand): Use u_short_cint_operand.
12638 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12640 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12641 but keep the insns and splits. Adjust so when the ultimate destination
12642 is memory, use cvtql.
12644 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12646 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12648 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12650 * gcc.c (do_spec): Call "error" not "warning".
12652 * configure.in: Fix minor problems with gas feature detection code.
12653 * configure: Rebuilt.
12655 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12657 * Undo this change.
12658 * gcc.c: Delete %[spec] support.
12659 (do_spec_1, case '('): Likewise.
12660 (do_spec_1, case '['): Call error.
12662 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12664 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12665 (CPP_SUBTARGET_SPEC): Default to empty string.
12666 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12667 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12668 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12669 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12671 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12672 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12673 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12674 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12675 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12676 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12677 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12678 * alpha/vxworks.h: Likewise.
12680 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12682 * mips.md (reload_outsi): Added missing REGNO call.
12683 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12685 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12686 another match_operator and compare the codes.
12688 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12690 * MIPS multiply pattern fixes:
12691 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12692 Add union classes for HI, LO, or HILO plus general registers.
12693 (GENERATE_MADD): Deleted.
12694 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12695 Add TARGET_MAD to condition.
12696 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12697 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12698 "*d" for accumulator, to give preference to LO initially but not
12701 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12703 * configure.in (enable_c_mbchar): New configure option.
12704 (extra_cpp_objs): Always available now.
12706 * cexp.y (mbchar.h): #include it.
12707 (yylex): Handle Multibyte characters in character literals.
12709 * cccp.c (mbchar.h): #include it.
12710 (main): Set character set based on LANG environment variable.
12711 (rescan): Handle multibyte characters in comments.
12712 (skip_if_group): See above.
12713 (validate_else): See above.
12714 (skip_to_end_of_comment): See above.
12715 (macarg1): See above.
12716 (discard_comments): See above.
12717 (rescan): Handle multibyte characters in string and character literals.
12718 (collect_expansion): See above.
12719 (skip_quoted_string): See above.
12720 (macroexpand): See above.
12721 (macarg1): See above.
12722 (discard_comments): See above.
12723 (change_newlines): See above.
12725 * c-lex.c (mbchar.h): #include it.
12726 (GET_ENVIRONMENT): New macro.
12727 (init_lex): Set character set based on LANG environment variable.
12728 (yylex): Handle multibyte characters in character literals.
12729 (yylex): Handle multibyte characters in string literals.
12731 * Makefile.in (mbchar.o): New target.
12732 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12733 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12735 * mbchar.[ch]: New files for multibyte character handling.
12737 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12739 * jump.c (jump_optimize): When simplifying noop moves and
12740 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12741 the PUSHes to rewrite in second loop as we did in the first.
12743 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12745 * cplus-dem.c (demangle_nested_args): Make function definition
12746 static to match the prototype.
12748 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12750 * alloca.c: Respect USE_C_ALLOCA.
12751 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12752 * gengenrtl.c (xmalloc): Likewise.
12754 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12756 * loop.h (struct induction): Add no_const_addval.
12757 * loop.c (the_movables, reg_address_cost): New variables.
12758 (init_loop): Init reg_address_cost.
12759 (loop_optimize): Call end_alias_analysis.
12760 (scan_loop): Init the_movables.
12761 (record_giv): Init induction->no_const_addval.
12762 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12763 [REG]: Rearrange loop search test to catch more cases.
12764 (general_induction_var): Return success not benefit; take an extra
12765 argument for that. Change all callers.
12766 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12767 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12768 [default]: Search the_movables for additional combinations.
12769 (sge_plus_constant, sge_plus): New functions.
12770 (express_from_1): New function.
12771 (express_from): Always define. Rewrite using express_from_1.
12772 (combine_givs_p): Handle more cases. Ignore address cost.
12773 (cmp_combine_givs_stats): New function.
12774 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12775 (combine_givs): Rewrite to do best-fit combination.
12777 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12778 (fold): Do a complete (A*C)+(B*C) association check.
12780 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12782 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12784 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12786 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12788 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12790 * tree.c (valid_machine_attribute): Only create a new type variant if
12791 there is a decl to use it.
12793 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12795 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12798 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12800 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12803 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12805 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12806 Simplify tests for clearing an address register.
12807 (expand_prologue): Corresponding changes.
12809 * mn10300.md (movXX patterns): Make sure the destination is an
12810 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12811 (logical patterns): Split into expanders + patterns
12812 (zero and sign extension patterns): Similarly.
12813 (shift patterns): Similarly.
12815 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12817 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12818 for the sequence, recording base values.
12820 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12822 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12824 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12826 * gcc.c: Remove ANSI-C ism from --help code.
12828 * toplev.c: Support --help with USE_CPPLIB.
12830 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12832 * configure.in: Rework gas feature code to work with symlink based
12835 * extend.texi: Clarify some issues related to local variables
12836 assigned to explicit registers.
12838 * mn10300.md (mulsi): Turn into expander + pattern.
12840 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
12843 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
12845 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
12847 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
12849 * version.c: Bump again to distinguish mainline tree from the
12852 See ChangeLog.0 for earlier changes.
12855 add-log-time-format: current-time-string
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