1 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
3 * arm.c (arm_split_constant): Don't try to force a constant to
4 memory after arm_reorg has run.
5 (after_arm_reorg): New static variable.
7 (output_func_epilogue): Clear it.
9 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@mhpcc.edu>
11 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
14 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16 * unroll.c (loop_iterations): Don't return a final value for EQ
19 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
21 * reload1.c (calculate_needs_all_insns): When ignore equivalence
22 setting insn, clear need_elim, need_reload, and need_operand_change.
24 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
26 * fixinc/fixinc.*: Some changes from the fixincl-branch
27 were not applied (??!!). Corrected.
29 * fixinc/Makefile.in: same thing.
31 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
33 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
34 MAX_INTEGER_COMPUTATION_MODE.
36 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
38 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
39 (MODES_TIEABLE_P): Update.
41 * alpha.md (ev5_e0): Conflict loads and stores.
43 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
45 * machmode.h (smallest_mode_for_size): Prototype.
46 * stor-layout.c (smallest_mode_for_size): Remove static.
48 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
50 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
51 conversion if we don't know the lifetime.
53 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
55 * reload.1c (delete_address_reloads_1): Check for reloads of
56 CURRENT_INSN even if it sets DST.
58 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
60 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
61 (print_die, size_of_die, value_format, output_die): Adjust.
63 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
65 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
66 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
67 text_section_laabel, debug_line_section_label,
68 debug_info_section_label, abbrev_section_label): New.
69 (output_compilation_unit_header): Emit label associated
70 with section instead of section name itself.
71 (out_pubnames, output_aranges, output_line_info,
72 dwarf2out_finish): Likewise.
73 (dwarf2out_init): Build internal label names for sections
76 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
78 * sh.md (mulsi3): End mul.l sequence with a no-op move.
80 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
82 * Makefile.in: activated fixinc/mkfixinc.sh
83 * configure.in: activated fixinc/mkfixinc.sh
85 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
87 * cppfiles.c (INO_T_EQ): Handle UWIN.
89 * c-common.c (decl_attributes): Flag unrecognized attribute
90 functions as warnings instead of as errors.
92 Support for i386-pc-uwin.
93 * i386/uwin.h: New file.
94 * i386/xm-uwin.h: New file.
95 * i386/t-uwin: New file.
96 * i386/uwin.asm: New file.
97 * configure.in (i[3456]86-*-uwin*): Define.
98 Add Workaround for vfork bug when hosted on uwin.
99 * configure: Regenerate.
101 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
102 (absolute_filename): UWIN uses POSIX pathnames only.
103 * libgcc2.c (getpagesize): Do not define for UWIN.
104 (mprotect): Likewise.
105 * protoize.c (dirent.h): Conditionally include.
106 (fputc): Prototype only if it's not a macro.
108 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
110 * configure.in: Remove init_priority stuff.
112 1999-03-11 Colin Smith <colin@wrs.com>
114 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
116 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
118 * gcc.texi: Update bug reporting instructions to match
119 current ezmlm list reality.
121 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
123 * gcc.c (print_file_name, print_prog_name, spec_machine,
124 read_specs, set_spec, lookup_compiler, build_search_list,
125 putenv_from_prefixes, find_a_file, record_temp_file,
126 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
127 is_directory, validate_switches, used_arg, default_arg,
128 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
129 notice, add_preprocessor_option, add_assembler_option,
130 add_linker_option, process_command, execute,
131 unused_prefix_warnings, clear_args, fatal_error,
132 lang_specific_driver, user_specs, compiler, link_command_spec,
133 option_map, translate_options, make_temp_file, temp_name,
134 programname, path_prefix, machine_suffix, just_machine_suffix,
135 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
136 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
137 standard_startfile_prefix, standard_startfile_prefix_1,
138 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
139 multilib_dir, temp_filename, temp_file, command, switchstr,
140 infile, outfiles, input_filename, input_basename, input_suffix,
141 check_live_switch, main): Qualify a char* with the `const' keyword.
143 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
146 * Makefile.in (OBJS): Add lcm.o
147 (lcm.o): Add dependencies.
149 * gcse.c (compute_pre_local_properties): Delete.
150 (compute_pre_data): Use compute_local_properties instead of
151 compute_pre_local_properties.
153 * gcse.c: More comments, whitespace and similar fixes.
154 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
155 (dump_pre_data, compute_cprop_local_properties): Likewise.
156 (one_classic_gcse_pass): Lose unused argument. All callers changed.
157 (compute_hash_table, compute_expr_hash_table): Likewise.
158 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
159 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
160 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
161 Lose unused argument.
162 (gcse_main): Always run a cprop pass after finishing global cse.
163 (compute_local_properties): New function.
164 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
165 (compute_cprop_data): Use compute_local_properties.
167 * gcse.c: Update various comments.
168 (current_function_calls_longjmp): Delete declaration.
170 * gcse.c (run_jump_opt_after_gcse): New variable.
171 (gcse_main): Returns an integer.
172 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
173 (try_replace_reg): Update some comments.
174 (cprop_insn): Allow propagation into some JUMP_INSNs too.
175 * rtl.h (gcse_main): Update prototype.
176 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
177 then run a jump optimization pass.
178 * jump.c (delete_barrier_successors): Delete nop jumps too.
180 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
182 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
183 for FP arithmetic. Changed caller.
184 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
186 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
188 * reload1.c (choose_reload_regs): When inheriting from the frame
189 pointer, don't clobber it.
191 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
193 * fixinc/fixinc.*: Resync-ed with the files in this
196 * fixinc/mkfixinc.sh: the machine case elements were
197 out-of-order. (the ix86-*-linux-gnu* entry needed to
200 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
202 * reload1.c (reload_combine_note_store): Fix calculation of number
203 of affected registers.
205 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
207 * flow.c (tidy_fallthru_edge): Be more careful finding the last
208 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
210 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
212 * i386.md (ashlsi3 splitter): Fix typo in last change.
214 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
216 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
217 instead of an explicit test for RETURN.
219 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
221 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
223 * toplev.c: Include basic-block.h.
225 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
227 * calls.c (load_register_parameters): New function.
228 (expand_call): Use it.
230 * calls.c (expand_call): Slightly reorganize code.
232 * calls.c (compute_argument_addresses): New function.
233 (rtx_for_function_call): New function.
234 (expand_call): Use them.
236 * i386.md (zero_extendhisi2): Split into an expander and anonymous
237 pattern. Add new anonymous pattern for use when optimizing for
238 size or for the PPro.
239 (zero_extendqihi2, zero_extendqisi2): Likewise.
241 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
243 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
244 dependancies to sets in the non-hard-reg case too.
246 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
248 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
250 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
252 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
253 for which CLASS_LIKELY_SPILLED_P is true.
255 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
256 have a REG or SUBREG.
258 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
260 * i386.md (ashlsi3): Revise comments. Provide new anonymous
261 pattern for Pentium and PPro/PII. Reverse constraints in
262 generic ashlsi3 anonymous pattern.
264 * calls.c (initialize_argument_info): Accept a pointer to
266 (expand_call): Pass the address of CUMULATIVE_ARGS.
268 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
270 * mn10300.h (CASE_DROPS_THROUGH): Delete.
271 * mn10200.h (CASE_DROPS_THROUGH): Delete.
272 * h8300.h (CASE_DROPS_THROUGH): Delete.
274 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
275 to also delete the cc0 setter when deleting a conditional branch
278 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
280 * regmove.c (copy_src_to_dest): New argument max_old_uid.
282 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
284 * ChangeLog: merged entries from fixincl-branch
286 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
288 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
289 (print_exp): Special case addition of a constant.
290 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
292 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
294 * haifa-sched.c (reg_last_clobbers): New.
295 (reg_pending_clobbers, bb_reg_last_clobbers): New.
296 (compute_block_backward_dependences): Allocate memory for them.
297 (schedule_region): Likewise.
298 (sched_analyze_1): Clobbers don't interfere with one another.
299 They do interfere with sets ...
300 (sched_analyze_2): ... and uses.
301 (sched_analyze): Likewise.
302 (sched_analyze_insn): Update reg_last_clobbers appropriately.
304 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
306 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
307 include system header files.
309 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
310 (_mcleanup): Add the `const' keyword to a char*.
311 (internal_mcount): Declare `etext' as a char[] not a function.
312 Cast `etext' to char* when calling `monstartup'.
314 * sparc.c (frame_base_name, save_regs, restore_regs,
315 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
316 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
317 cpu_default, cpu_table, output_function_prologue,
318 output_function_epilogue, output_return,
319 sparc_flat_output_function_prologue, ultra_code_names,
320 sparc_flat_output_function_epilogue): Constify a char*.
321 (hypersparc_adjust_cost): Add a default case in a switch.
323 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
324 sparc_cpu_select, sparc_align_loops_string,
325 sparc_align_jumps_string, sparc_align_funcs_string,
326 output_return): Constify a char*.
328 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
329 so that we check "== 32", instead of "!= 64". Cast a value to
330 HOST_WIDE_INT when comparing against one. Hide the declaration
331 for variable `chain'.
333 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
335 * system.h (const, inline): Move the stage2 handling of these
336 keywords-as-macros from here...
338 * gansidecl.h (const, inline): ...to here.
340 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
342 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
344 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
346 * cse.c (canon_hash): Never reject hard regs in CCmode.
348 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
350 * version.c: Bump for snapshot.
352 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
353 Richard Henderson <rth@cygnus.com>
355 * flow.c (make_edges): Handle casesi that jump to default branch.
356 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
358 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
360 * c-aux-info.c (data_type, affix_data_type, gen_decl,
361 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
362 Qualify a char* with the `const' keyword.
364 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
365 declare_function_name, decl_attributes, format_char_info,
366 check_format_info, binary_op_error): Likewise.
368 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
370 * gcse.c (dump_hash_table): Likewise.
372 * integrate.c (function_cannot_inline_p): Likewise
374 * optabs.c: Include insn-config.h earlier.
375 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
376 Qualify a char* with the `const' keyword.
378 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
379 asctoeg, mtherr, ereal_atof): Likewise.
381 * real.h (ereal_atof): Likewise.
383 * sbitmap.c (dump_sbitmap_vector): Likewise.
385 * sbitmap.h (dump_sbitmap_vector): Likewise.
387 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
389 * toplev.c (rest_of_compilation): Likewise.
391 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
393 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@mhpcc.edu>
395 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
396 not overwrite AIX link register save area.
398 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
400 * reload.c (find_reloads_subreg_address): Actually create the USE
401 for the register, not the new memory location.
403 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
405 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
406 with its equivalent constant, fall back to reload_in.
408 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
410 * Makefile.in: Delete .flow2 debugging files.
412 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
414 * config/arm/arm.c (arm_override_options): Change default target
415 cpu selection so that enabling TARGET_APCS_32 does not override
418 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
420 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
421 (BOOL_TYPE_SIZE): Define.
423 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
425 * function.c (assign_stack_temp_for_type): Abort
426 if mode == Blkmode and align is less than
427 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
428 (assign_stack_temp_for_type): Round the size parameter
429 passed to assign_stack_local instead of size itself.
431 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
433 * flow.c (delete_unreachable_blocks): Mark blocks as they
434 are put on to the worklist, not as they are taken off.
436 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
438 * function.c (current_function_has_computed_jump): Remove duplicate
441 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
443 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
444 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
446 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
447 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
448 (INIT_SUBTARGET_OPTABS): Define to empty.
450 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
452 * sh.c (force_into): New function.
453 (expand_block_move): Use it.
455 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
457 * cccp.c (struct default_include): Add 'included' field.
458 (main): Set 'included' field when a default include directory
459 is added to the chain. If -v is specified list all default
460 include directories which do not get appended to the chain.
462 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
464 * configure.in (gxx_include_dir): Rename to
465 gcc_gxx_include_dir in order to prevent it being overridden by
466 a top level Makefile.
467 (gcc_tooldir): If $exec_prefix != $prefix then use the
468 difference between the two as the basis for gcc_tooldir.
470 * configure: Rebuild.
472 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
474 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
476 * unroll.c (copy_loop_body): Don't make extra copies of
477 NOTE_INSN_LOOP_CONT notes.
479 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
481 * tree.c (save_tree_status): Don't treat functions with no context
484 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
486 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
489 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
492 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
493 current_function_file): Add the `const' keyword.
494 (normal_memory_operand): Mark parameter `mode' with
496 (alpha_expand_unaligned_load): Add a default case to a switch.
498 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
499 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
500 (normal_memory_operand): Add prototype.
502 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
503 comparing against one.
505 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
507 * mips.c (abort_with_insn): Make function static, add a prototype,
508 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
509 (current_function_file, mips_cpu_string, mips_isa_string,
510 mips_abi_string, mips_no_mips16_string, mips_entry_string,
511 mips_move_1word, mips_move_2words, output_block_move, load_store,
512 override_options, make_temp_file, mips16_fp_args): Qualify a char*
513 with the `const' keyword.
515 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
516 mips_abi_string, mips_entry_string, mips_no_mips16_string,
517 mips_move_1word, mips_move_2words, output_block_move): Likewise.
518 (abort_with_insn): Remove extern prototype.
520 * mips.md: Qualify a char* with the `const' keyword.
521 Remove many unused variables named `label'.
523 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
525 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
527 (install-cpp, uninstall-cpp): New targets.
528 (install-normal): Depend on $(INSTALL_CPP).
529 (uninstall): Depend on $(UNINSTALL_CPP).
530 * configure.in (cpp_install_dir): New, substitute.
531 (tmake_file): Added t-install-cpp for --enable-cpp.
532 * configure: Rebuilt.
533 * cpp.sh: New cpp script.
534 * config/t-install-cpp: New target fragment.
536 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
537 Jeffrey A Law (law@cygnus.com)
539 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
541 (cse_insn): Avoid creating a bogus REG_EQUAL note for
542 (const (minus (label) (label)))
543 (record_jump_cond): Fix mismatched paren in comment.
545 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
547 * final.c (end_final): There are 11 words in the "main header"
550 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
552 * extend.texi: Reference __extension__ in the index.
554 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
556 * Makefile.in (CROSS_FLOAT_H): Delete.
557 (FLOAT_H): Use float_h_file.
558 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
560 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
561 (mostlyclean): Delete gloat.h reference.
562 (install-cross-rest, install-float-h-cross, stmp-headers): Update
564 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
565 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
566 (float_h_file): Set from float_format. Substitute into Makefile.in.
567 (float_format): No longer substitute into Makefile.in.
568 * cross-make (FLOAT_H): Delete.
569 * config/mips/t-cross64 (FLOAT_H): Delete.
570 * configure: Rebuilt.
572 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
574 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
575 insn to be an INSN before looking at its pattern.
577 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
579 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
580 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
581 HImode reg when TARGET_5200.
583 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
585 From Toshiyasu Morita:
586 * sh.h (CACHE_LOG): SH2 has cache, too.
588 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
590 * toplev.c (compile_file): Disable -ffunction-sections and
591 debugging warning if the object format is elf.
593 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
595 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
596 when the data in 8-bit area and can not be addressed by 8-bit.
598 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
600 * flow.c (create_basic_block): Disregard integrated bb notes.
602 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
604 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
606 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
608 * config/i386/t-sco5gas (crti.o): New target.
610 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@mhpcc.edu>
612 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
613 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
614 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
615 load_multiple, allocate_stack, call_indirect_aix32,
616 call_indirect_aix64, call_value_indirect_aix32,
617 call_value_indirect_aix64, call_indirect_nt,
618 call_value_indirect_nt): Use gpc_reg_operand instead of
621 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
623 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
624 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
626 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
627 allow andi. or andis. which always set cr0.
629 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
631 * version.c: Bump for snapshot.
633 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
635 * invoke.texi: Update information for PA scheduling.
637 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
638 Mike Stump <mrs@wrs.com>
640 * pa.c (override_options): Change default to 7100LC
642 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
643 float regs before right half of float regs.
645 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
646 Jeffrey A Law (law@cygnus.com)
648 * frame.h: Update some comments.
649 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
650 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
651 using TARGET_WEAK_ATTRIBUTE.
652 (__do_global_dtors_aux): Check if __deregister_frame_info is
653 zero before calling it.
654 (__do_global_dtors): Likewise.
655 (frame_dummy): Check if __register_frame_info is zero before
657 (__frame_dummy): Likewise.
659 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
661 * SERVICE: Update from the FSF.
663 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
665 * config/i386/t-sco5 (crti.o): New target.
666 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
668 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
670 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
672 * md.texi (prologue,epilogue): Document named patterns.
674 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
676 * md.texi, invoke.texi: Fix unterminated @xrefs.
678 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
680 * genattrtab.c (simplify_knowing): Fix uninitialized read
683 * genextract.c (main): Clear recog_operands before extracting.
685 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
687 * c-pragma.c (add_weak); Delete. Moved into...
688 * varasm.c (add_weak): New external function.
689 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
690 the list of weak functions.
691 * c-pragma (add_weak): Declare.
693 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
695 Flow rewrite to use basic block structures and edge lists:
697 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
698 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
699 (struct edge_def): New.
700 (struct basic_block_def): New.
701 (basic_block_info): New.
702 (BLOCK_HEAD, BLOCK_END): Update.
703 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
704 (uid_block_number): Kill.
705 (basic_block_for_insn, BLOCK_FOR_INSN): New.
707 * flow.c (XNMALLOC): Kill.
708 (max_uid_for_flow): Kill.
709 (uid_block_number): Kill.
710 (uid_volatile): Turn into a bitmap.
711 (SET_INSN_VOLATILE): New.
712 (basic_block_info): New.
713 (entry_exit_blocks): New.
714 (x_basic_block_head, x_basic_block_end): Kill.
715 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
716 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
717 (basic_block_loop_depth): Kill.
718 (basic_block_for_insn): New.
719 (find_basic_blocks): Split out initial block counting into
720 count_basic_blocks. Call functions split out of find_basic_blocks_1.
721 (count_basic_blocks): New.
722 (find_basic_blocks_1): Split out edge recognition, unreachable
724 (create_basic_block): New.
725 (compute_bb_for_insn): New.
727 (free_bb_memory): Kill.
728 (add_edge, add_edge_to_label): Kill.
729 (mark_label_ref): Kill.
730 (make_edges): Rewrite to use edge lists.
731 (make_edge, make_label_edge): New.
732 (mark_critical_edges): New.
733 (split_edge, insert_insn_on_edge): New.
734 (commit_one_edge_insertion, commit_edge_insertions): New.
735 (delete_unreachable_blocks): Rewrite to use edge lists.
736 Split out EH region manipulation into delete_eh_regions.
737 Call tidy_fallthru_edge and merge_blocks.
738 (delete_eh_regions): New.
739 (delete_note_p): New.
740 (delete_insn_chain): New.
741 (delete_block): Split out code into delete_insn_chain and
742 tidy_fallthru_edge. Update edge lists.
743 (expunge_block): New.
744 (flow_delete_insn): New?
745 (can_delete_label_p): New?
746 (merge_blocks_nomove, merge_blocks): New.
747 (tidy_fallthru_edge): New.
748 (calculate_loop_depth): New.
749 (life_analysis): Allocate and free uid_volatile.
750 (free_basic_block_vars): Update for new structures.
751 (record_volatile_insns): Use SET_INSN_VOLATILE.
752 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
753 (mark_used_regs): Likewise.
754 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
755 local_set regsets. Use bb->aux to store new_live_at_end. Begin
756 life propagation from EXIT_BLOCK rather than last block. Clear
757 regs_ever_live after mark_regs_live_at_end.
758 (allocate_for_life_analysis): Update for new structures.
759 (propagate_block): Split out loop depth calculation to
760 calculate_loop_depth.
761 (regno_uninitialized): Use bb->global_live_at_start.
762 (regno_clobbered_at_setjmp): Likewise.
763 (dump_bb_data): Likewise.
764 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
765 (dump_flow_info): Update for new structures.
766 (dump_edge_info): New.
767 (print_rtl_with_bb): Update for new structues.
768 (compute_preds_succs): Do no work -- convert edge lists.
769 (set_block_for_insn): From corpse of old set_block_num.
770 (set_block_num): Call it.
772 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
773 * rtl.h (rtunion_def): Add bb entry.
774 (NOTE_BASIC_BLOCK): New.
775 (NOTE_INSN_BASIC_BLOCK): New.
777 * varray.h (varray_data_tag): Add bb entry.
778 (VARRAY_BB_INIT, VARRAY_BB): New.
780 * emit-rtl.c (emit_label_before): New.
782 * except.c (expand_rethrow): Delete insns following the call to
783 rethrow. Put the REG_EH_RETHROW on the call.
785 * jump.c (returnjump_p, returnjump_p_1): New.
787 * expr.h (nonlocal_goto_handler_labels): New declaration.
788 * function.c (nonlocal_goto_handler_labels): Define it.
789 (push_function_context_to): Save it.
790 (pop_function_context_from): Restore it.
791 (init_function_start): Clear it.
792 (nonlocal_label_rtx_list): Kill.
793 * function.h (struct function): Add storage space for it.
794 * stmt.c (expand_nl_handler_label): Return the new label.
795 (expand_nl_goto_receivers): Collect a list of them in
796 nonlocal_goto_handler_labels.
798 * Makefile.in (print-rtl.o): Depend on basic-block.h.
799 (flow.o): Depend on insn-flags.h.
801 * function.c (thread_prologue_and_epilogue_insns): Do not
802 half-heartedly update bb structures.
804 * toplev.c: Add flow2 dump as -dw.
805 (rest_of_compilation): Finish .greg before flow2.
807 * graph.c (draw_edge): Handle class 3.
808 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
809 change non-fall-thru but adjacent to green class 3. Update
810 to use new structures.
812 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
814 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
816 (reg_to_stack): Initialize block_num to -1.
818 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
819 to basic_block_live_at_start to bb->global_live_at_start.
820 (try_combine): Likewise.
821 (reg_dead_at_p): Likewise.
822 * global.c (global_conflicts): Likewise.
823 Handle stack regs on all abnormal edges, not just computed jumps.
824 (mark_elimination): Update reference to basic_block_live_at_start.
825 (build_insn_chain): Likewise.
826 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
827 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
828 of nonlocal_label_rtx_list.
829 (check_live_1): Update reference to basic_block_live_at_start.
830 (update_live_1): Likewise.
831 (find_pre_sched_live): Likewise.
832 (find_post_sched_live): Likewise.
833 * local-alloc.c (update_equiv_regs): Likewise.
834 (block_alloc): Likewise.
835 * reload1.c (reload, reload_combine): Likewise.
836 * regmove.c (mark_flags_life_zones): Likewise.
837 * resource.c (mark_target_live_regs): Likewise.
838 * sched.c (schedule_block): Likewise.
840 * regclass.c (regset_release_memory): Don't free
841 basic_block_live_at_start.
843 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
845 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
847 * fixinc.wrap: Also handle struct queue in sys/stream.h.
848 * fixinc.svr4: Likewise.
850 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
851 rather than asserting it.
853 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
855 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
856 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
857 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
860 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
861 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
862 scan-decls.o): Don't depend on machmode.h.
864 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
865 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
867 * cppfiles.c: Likewise.
869 * cpplib.c: Likewise.
871 * cpplib.h: Likewise. Also don't include machmode.h anymore.
873 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
875 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
876 * objc/lang-specs.h: Likewise.
878 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
880 * pa.md (call patterns): Lose unused argument to output_call.
882 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
884 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
886 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
887 first argument. All callers changed.
889 (cpp_lookup, cpp_install): Change all refs to hashtab to
891 (cpp_hash_cleanup): Removed.
892 * cpphash.h: Adjust prototypes.
893 * cpplib.h (struct cpp_reader): Add hashtab pointer.
894 * cppinit.c (cpp_reader_init): Also allocate space for the
896 (cpp_cleanup): Delete all macros and free the hashtab.
898 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
900 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
903 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
904 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
905 * calls.c (expand_call): Likewise.
907 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
909 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
910 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
911 arguments in registers.
912 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
913 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
916 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * cse.c (dump_class): Revert last change and make the prototype
921 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
923 * rtl.h (insn_first_p): Don't declare.
924 * rtlanal.c (insn_first_p): Delete.
925 * loop.c (loop_insn_first_p): Faster implementation.
927 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
929 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
930 (TARGET_3, TARGET_6): Delete.
931 (ARM_FLAG_ARM[36]): Delete.
932 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
933 (CC1_SPEC): Don't expand -m[236] into new equivalents.
934 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
935 * arm.c (arm_override_options): Delete warnings about deprecated
938 * arm.c (arm_finalize_pic): Build the label into the special pic
939 adjustment insn instead of issuing it separately.
940 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
943 * arm.md (*zeroextractqi_compare0_scratch): Delete.
944 (*ne_zeroextractsi): New pattern.
946 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
948 * stmt.c (expand_end_loop): Grok code emitted by
949 expand_exit_loop_if_false.
951 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
953 * config/arm/arm.c (return_in_memory): Float fields in unions
954 force a return in memory.
955 (load_multiple_sequence): Add comment explaining why two LDR
956 instructions can be better than an LDMIA instruction.
958 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
959 describing the real meaning of this option.
960 (FIXED_REGISTERS): Default r10 to not-fixed.
961 (CALL_USED_REGISTERS): Default r10 to not-call-used.
962 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
964 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
965 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
966 performing other checks.
968 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
969 (extendhisi2): Undo previous change.
970 Also add comments describing why TARGET_SHORT_BY_BYTES can be
971 ignored for armv4(t) architectures.
973 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
976 * config/arm/riscix1-1.h
977 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
979 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
981 * cse.c (dump_class): Make the function definition static to match
984 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
986 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
988 * dwarf2out.c (add_location_or_const_value_attribute): Add big
989 endian correction for parms passed in regs but living on the stack.
991 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
993 * calls.c (initialize_argument_information): New function extracted
995 (expand_call): Use initialize_argument_information. Remove variables
996 which are no longer used due to cleanups.
998 * calls.c (compute_argument_block_size): New function, extracted from
1000 (expand_calls): Use compute_argument_block_size. Delete
1001 original_args_size, use unadjusted_args_size instead.
1003 * calls.c (precompute_arguments): New function, extracted from
1005 (expand_call): Use precompute_arguments.
1007 * calls.c (finalize_must_preallocate): New function, extracted from
1009 (expand_call): Use finalize_must_preallocate.
1011 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
1013 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
1014 An alternative always fails if it needs a pseudo and no suitable
1015 register class can be found.
1017 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1019 * loop.h (loop_insn_first_p): Declare.
1020 * loop.c (loop_insn_first_p): No longer static.
1021 * unroll.c (iteration_info) Fix comparison to
1022 reg_iv_type->num_elements.
1023 Before accessing reg_biv_class, check index against
1024 max_reg_before_loop.
1025 Fix and enable code for giv iterators.
1026 (loop_iterations): Compare with reg_iv_type->num_elements instead
1027 of with max_reg_before_loop.
1029 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1031 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
1033 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1035 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
1036 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
1038 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
1040 * config/i386/i386.md: fix typoe.
1042 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
1044 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
1045 frame_pointer_needed adjust frame size.
1046 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1047 in .frame pseudo-op.
1048 Frm Jim Wilson <wilson@cygnus.com>:
1049 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1050 when TARGET_MIPS16 && frame_pointer_needed.
1052 1999-02-22 Nick Clifton <nickc@cygnus.com>
1054 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1055 Add -mno-sched command line switch to disable scheduling of
1056 instructions into the function's prologue.
1057 (enum processor_type): Remove.
1058 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1059 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1060 fields with 'processors' field.
1061 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1062 checking is not enabled.
1063 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1065 * config/arm/arm.c: (arm_cpu): Remove.
1066 (tune_flags): Remove.
1067 (arm_is_strong): New variable: true iff the target processor is a
1069 (arm_is_6_or_7): New variable: true iff the target processor is an
1071 (arm_select): Fields reorganised.
1072 (struct processors): processor_type field removed.
1073 (all_procs): Remove.
1074 (all_cores): New array: Definitions of all known ARM cpu cores.
1075 (all_architectures): New array: Definitions of all known ARM
1078 (FL_SCHED): New processor flag: processor required load
1080 (FL_STRONG): New processor flag: processor is a StrongARM.
1081 (arm_override_options): Reorganised to make code clearer.
1082 (use_return_insn): Test for "not (TARGET_APCS and
1083 frame_pointer_needed)".
1084 (arm_return_in_memory): Improve handling of structures.
1086 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1087 "is_strongarm" and "is_arm_6_or_7" attributes.
1088 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1090 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1092 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1094 1999-02-22 Philip Blundell <philb@gnu.org>
1096 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1097 definition with one including cache synchronisation.
1098 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1099 Move definition of inhibit_libc to...
1100 * config/arm/xm-linux.h: ... here.
1102 * config/arm/t-linux: Disable multilib configurations since the
1103 only effect for most people is to cause builds to fail.
1105 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1106 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1108 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1109 (HANDLE_SYSV_PRAGMA): Likewise.
1110 (LIB_SPEC): Copy definition from generic Linux files.
1111 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1112 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1113 (DWARF2_DEBUGGING_INFO): Define.
1114 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1116 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1118 * loop.c (libcall_other_regs): Make extern.
1119 * rtl.h (find_last_value): Add parameter to prototype.
1120 (libcall_other_reg): Add extern declaration.
1121 * rtlanal.c (find_last_value): Add another parameter to allow
1122 a definition using a hardware register to be found as well.
1124 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1126 * cse.c (dump_class): New function.
1127 (invalidate_memory): Fix typo in comment.
1128 * function.c (temp_slot): Add an alias set field.
1129 (assign_stack_temp): Only reuse slots if they will have the
1130 same alias set as before.
1131 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1133 * rtl.c (copy_rtx): Copy all the flags (in particular,
1136 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1138 * configure.in (i[34567]86-*-linux-gnu*,
1139 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1140 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1143 * configure: Rebuilt.
1145 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1148 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1150 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1151 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1152 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1155 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1157 * objc/objc-act.c (encode_type): Temporary revert to the old
1158 behavior of encoding types as the new one seems to break the
1159 encoding of bitfields.
1161 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1162 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1164 * Makefile.in (all.internal, all.cross): Depend on `doc'
1165 target, to ensure docs get made before installation.
1168 Decrease spurious warnings from -fsyntax-only:
1169 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1171 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1173 * c-lex.c (yylex): Replace warning about integer constants being
1174 larger than long-longs, with a warning about integer constants
1175 being larger than the largest target integer.
1177 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1179 Fix -fsyntax-only ICEs:
1180 * varasm.c (assemble_zeros, assemble_variable,
1181 output_constant_def): Do nothing when -fsyntax-only.
1183 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1185 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1186 * configure: Rebuilt.
1188 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1190 * version.c: Bump for snapshot.
1192 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1194 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1195 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1196 * tm.texi: Update docs for constructors and destructors.
1198 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1200 * genattrtab.c (check_attr_value): Allow negative const_int if
1201 negative_ok. Accept integral arithmetic operators. Accept
1202 direct references to other attributes. Accept symbol_ref in
1203 non-constant attributes.
1204 (max_attr_value): Add new argument `unknownp'. Update all callers.
1205 (or_attr_value): Likewise.
1206 (simplify_knowing): Don't optimize if max_attr_value unknown.
1207 (write_length_unit_log): Likewise with or_attr_value.
1208 (find_and_mark_used_attributes): Don't fallthru case.
1209 (write_attr_set): Pass thru all non-cond expressions.
1210 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1212 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1214 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1216 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1218 * regmove.c (discover_flags_reg): Remove cc0 code.
1219 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1220 a potential flags register was identified.
1222 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1224 * rs6000.md (scc plus ltu): Fix typo in last change.
1226 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1228 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1230 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1232 * regmove.c (discover_flags_reg): New function.
1233 (flags_set_1, mark_flags_life_zones): New functions.
1234 (regmove_optimize): Call them.
1235 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1237 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1239 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1241 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1242 Use loop_insn_first_p.
1244 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1245 David Edelsohn <edelsohn@mhpcc.edu>
1247 * rs6000.md (scc plus eq): Fix output template.
1248 (scc plus ltu): Fix output template and collapse variants
1249 correcting early clobbers.
1250 (scc plus geu): Fix output template.
1251 (scc plus gt): Fix output template.
1252 (scc plus gtu): Fix output template and collapse variants.
1254 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1256 * cppinit.c (print_help): Remove unescaped newline in string.
1258 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1260 * loop.c (strength_reduce): Check for intervening jumps when
1261 converting biv increment to giv.
1263 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1265 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1266 * expr.c (expand_expr): Support new tree nodes.
1268 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1270 * config/m68k/m68k.c (m68k_align_loops_string,
1271 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1272 * config/m68k/m68k.h (m68k_align_loops_string,
1273 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1275 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1279 * bitmap.h (bitmap_print): Likewise.
1281 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1283 * c-lang.c (build_objc_string): Likewise.
1285 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1286 limits.h or ctype.h. Remove unused variable `p'.
1288 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1290 * c-pragma.c (handle_pragma_token): Likewise.
1292 * c-pragma.h (handle_pragma_token): Likewise.
1294 * c-tree.h (build_objc_string, builtin_function, grokfield,
1295 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1296 pedwarn_init): Likewise.
1298 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1299 push_string, warning_init, incomplete_type_error,
1300 build_indirect_ref, lvalue_or_else, readonly_warning,
1301 build_c_cast, spelling, push_member_name, print_spelling,
1302 error_init, pedwarn_init, start_init): Likewise.
1304 * objc/objc-act.c (build_objc_string): Likewise.
1306 * print-tree.c (print_node_brief, print_node): Likewise.
1308 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1310 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@mhpcc.edu>
1312 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1314 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1316 * configure.in :Handle OpenBSD platforms.
1317 * configure: Rebuilt.
1318 * config/openbsd.h: New file.
1319 * config/xm-openbsd.h: New file.
1320 * config/t-openbsd: New file.
1321 * config/t-openbsd-thread: New file.
1323 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1325 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1326 assign_stack_local for BLKmode slots.
1328 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1330 * loop.c (strength_reduce): For derived givs, replace the
1331 giv this was derived from with its new_reg.
1332 (recombine_givs): Don't set new_reg for derived giv.
1333 And don't print it, print SUM instead.
1335 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1337 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1339 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1341 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1342 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1344 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1345 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1346 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1347 cpp_pending, version_string, struct default_include,
1348 include_defaults_array, path_include, cpp_options_init,
1349 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1350 cpp_reader_init, nreverse_pending, push_pending, print_help,
1351 cpp_handle_option, cpp_handle_options, cpp_finish,
1352 cpp_cleanup): Move to cppinit.c.
1353 (macro_cleanup, struct arglist, collect_expansion,
1354 create_definition, compare_defs, comp_def_part, ARG_BASE,
1355 struct argdata, macarg, change_newlines, timestamp,
1356 monthnames, special_symbol, unsafe_chars, macroexpand,
1357 push_macro_expansion): Move to cpphash.c.
1358 (quote_string, check_macro_name, cpp_expand_to_buffer,
1359 output_line_command, cpp_undef): Export.
1360 (null_underflow, null_cleanup, handle_directive): Make static.
1362 * cpplib.h: Prototype now-exported functions. Adjust decls of
1363 syntax tables so we can include cpplib.h in cppinit.c.
1364 * cpphash.h: Prototype all functions exported by cpphash.c.
1365 * cppinit.c: Make syntax tables initialized data if possible
1366 (uses GCC designated-initializer extension).
1367 * cppexp.c: Make cpp_lex static.
1368 * Makefile.in: Move -D switches for the various include dirs
1369 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1371 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1373 * alpha/openbsd.h: New file.
1374 * alpha/xm-openbsd.h: New file.
1375 * sparc/openbsd.h: New file.
1376 * sparc/xm-openbsd.h: New file.
1377 * m68k/openbsd.h: New file.
1378 * m68k/xm-openbsd.h: New file.
1379 * i386/openbsd.h: New file, originally from netbsd.
1380 * i386/xm-openbsd.h: New file.
1382 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1384 * Makefile.in: Correct dependencies for cpplib object files.
1386 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1388 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1391 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1393 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1396 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1398 * tree.c (tree_node_kind_names, print_obstack_name,
1399 get_identifier, maybe_get_identifier, build_string,
1400 build_expr_wfl, is_attribute_p, lookup_attribute,
1401 print_obstack_statistics, get_file_function_name_long, tree_check,
1402 tree_class_check, expr_check): Qualify a char* with the `const'
1405 * tree.h (get_identifier, maybe_get_identifier, build_string,
1406 build_expr_wfl, is_attribute_p, lookup_attribute,
1407 print_obstack_statistics, print_obstack_name, tree_check,
1408 tree_class_check, expr_check): Likewise.
1410 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1412 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1415 * calls.c (store_one_arg): Mark any slots used for the argument
1416 as in-use immediately after we're done saving any slots which
1417 will be overwritten by this argument.
1419 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1421 * rs6000.md (call_value): Fix typo.
1423 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1425 * loop.c (strength_reduce): Calculate maybe_dead before
1426 calling recombine_givs.
1428 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1430 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1432 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1434 * objc/objc-act.c (encode_type): Encode the type instead of
1435 encoding the mode of the type (patch from Richard Frith-Macdonald
1436 <richard@brainstorm.co.uk>).
1438 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1440 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1441 instruction killed in previous change. Simplify mask generation.
1442 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1444 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1446 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1447 bitfield does not overflow a byte boundary.
1449 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1451 * c-common.c (shorten_compare): Get the min/max value from the
1452 underlying type of an enumeration, not the enumerated type itself.
1454 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1456 * jump.c: Include insn-attr.h.
1457 (delete_computation): If reload has completed and insn scheduling
1458 after reload is enabled, then do not depend on REG_DEAD notes.
1459 * Makefile.in (jump.o): Depend on insn-attr.h.
1461 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1463 * i386.md (addsi3): Allow lea for any constant_p.
1465 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1467 * toplev.c (documented_lang_options): Remove -fident and
1468 -fnoident, which are now handled by the language independent
1471 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1473 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1474 * c-lex.c: Likewise.
1475 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1476 list in malloced memory for the buffer stack.
1477 (cpp_get_token): Don't pop the last buffer off the stack.
1478 Calls after CPP_EOF has been returned produce CPP_EOF with no
1480 (cpp_finish): Pop last buffer here.
1481 (do_line): Don't free ip->last_nominal_fname if it is equal to
1483 (special_symbol): If a T_CONST is the empty string, push a
1484 single `@ ' escape instead.
1485 (macroexpand): Special symbol buffers have escapes too.
1486 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1488 (struct cpp_reader): Remove buffer_stack. Add
1490 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1493 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1495 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1496 WIDE_INT with WIDEST_INT.
1499 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
1500 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
1501 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
1502 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
1503 definition of variable `c89' when compiling a test binary and set it.
1505 * system.h: Don't define the PRINTF_PROTO_* macros.
1507 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
1509 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
1510 we do not understand, mark the loop and containing loops as invalid.
1512 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1514 * alias.c (init_alias_analysis): Avoid self-referential value
1515 when setting reg_known_value from REG_EQUAL notes.
1517 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1519 * i386.c (legitimate_address_p): Verify modes of base and index.
1521 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1523 * i386.c (legitimate_pic_address_disp_p): Remove static.
1524 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1527 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1529 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1530 * explow.c (probe_stack_range): Likewise.
1531 * expmed.c (do_cmp_and_jump): Likewise.
1532 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1533 (do_tablejump): Likewise.
1534 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1535 (do_jump_if_equal, emit_case_nodes): Likewise.
1536 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1537 then convert comparison to an unsigned code before emitting the jump.
1538 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1540 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1542 * version.c: Bump for snapshot.
1544 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1546 * version.c: Bump for snapshot.
1548 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1550 * loop.c: Disable recent loop changes. Temporary as Joern
1551 continues to fix problems.
1553 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1555 * loop.c (combine_givs_used_by_other): Delete.
1556 (combine_givs_benefit_from): Delete.
1557 (combine_givs): Deny combination of givs only used once. Simplify
1558 code with the death of combine_givs_benefit_from.
1560 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1562 * loop.c (scan_loop): Call reg_in_basic_block_p before
1563 loop_reg_used_before_p.
1565 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1567 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1571 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1572 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1573 in the constant pool aren't valid.
1574 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1576 * arm.c: Include "system.h", not stdio.h and string.h.
1578 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1580 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1581 (optimize_tail_recursion): Change return type from void to int.
1582 Add return statements.
1583 * tree.h (optimize_tail_recursion): Change prototype to match.
1585 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1587 * reload.c (find_reloads_subreg_address): New function, broken out of
1588 find_reloads_toplev.
1589 (find_reloads_toplev, find_reloads_address_1): Use it.
1591 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1593 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1594 extending a CONST_INT.
1596 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1598 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1600 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1602 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1604 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1606 * loop.c (load_mems): Don't guess how to do a load / store, use
1609 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1613 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1615 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
1617 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
1619 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
1620 pseudo which is homed in the stack.
1622 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
1623 (compute_frame_size): Change loop over FP regs to be consistent
1624 with the loop in save_restore_insns.
1626 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
1628 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
1629 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
1631 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
1633 * mn10200.md (bset); Re-enable.
1635 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1637 * sh.md (is_sfunc): New attribute.
1638 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
1640 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
1642 * fold-const.c (range_binop): Take account of the bounded nature
1643 of fixed length arithmetic when comparing unbounded ranges.
1645 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
1647 * function.c (assign_stack_temp_for_type): Clear best_p
1648 when an exact match is found.
1650 * i386.h (LOCAL_ALIGNMENT): Define.
1651 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
1652 (assign_stack_temp_for_type): New function based on assign_stack_temp.
1653 (assign_stack_temp): Call it.
1654 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
1655 * stmt.c: Use assign_temp, not assign_stack_temp.
1656 * tm.texi: Document LOCAL_ALIGNMENT.
1658 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
1660 * reorg.c: Finish deleting half-deleted comment.
1662 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
1664 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
1666 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
1668 * real.c (endian): Delete sign extension code.
1669 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
1670 replaced with operand_subword call.
1672 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
1674 * alpha.md (cmov compound patterns): Delete. Jump can now
1675 create the correct constructs in the first place.
1677 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
1679 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
1681 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
1683 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
1685 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
1687 * tmp-emsgids.c: Delete.
1689 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
1691 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
1694 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
1696 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
1698 * reload1.c (reload_combine_note_store): Second argument is no
1699 longer unused/ignored. Handle multi-register hard regs.
1700 (move2add_note_store): Simplify.
1702 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
1704 * collect2.c (collect_execute): Remove cygwin-specific code.
1706 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
1708 * system.h (_, N_): Remove dummy i18n macros.
1709 * protoize.c: Move inclusion of intl.h to after system.h.
1710 * cexp.y: Include intl.h.
1713 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
1715 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
1716 fpic/fPIC for windows32 targets.
1717 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
1719 * i386/mingw32.h (CPP_SPEC): Define.
1720 (CPP_PREDEFINES): Add MINGW32 version id.
1721 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
1723 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
1724 add missing exeext to target.
1726 * gcc.c (convert_filename): Handle null filename argument.
1728 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1730 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
1731 m constraint instead of QT.
1733 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
1735 * cpplib.c (special_symbol): Move IP to be declared in function
1736 scope, rather than individual case statements.
1738 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1740 * cppfiles.c (finclude): Handle pipes properly under old BSD
1743 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
1745 * system.h: Provide fallback definitions for S_ISCHR,
1746 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
1748 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1750 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
1752 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
1754 * configure.in: For PowerPC configurations, accept "401", "ec603e",
1755 "740", and "750" as valid arguments to --with-cpu.
1756 * configure: Rebuilt.
1758 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
1760 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
1761 * configure: Rebuilt.
1763 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
1765 * rs6000.md: Revert "alternate use of crs if cr0 not available"
1766 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
1768 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
1770 * output.h (current_function_has_computed_jump): Rename from
1771 current_function_addresses_labels.
1772 * function.h (struct function): Likewise for addresses_labels member.
1773 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
1774 * function.c (current_function_has_computed_jump): Likewise.
1775 Update all references.
1776 * integrate.c (function_cannot_inline_p):
1777 Test current_function_has_computed_jump instead of addresses_labels.
1778 (initialize_for_inline): Likewise save.
1779 (output_inline_function): Likewise restore.
1781 * expr.c (expand_expr): Don't reference addresses_labels variables.
1782 * stmt.c (expand_computed_goto): Set has_computed_jump.
1784 1999-02-08 Michael Meissner <meissner@cygnus.com>
1786 This is being installed only to get it into the repository to help
1787 with the revert, resubmit & review process for the massive rs6000.md
1789 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
1791 (anddi3_internal1): Ditto.
1792 (andsi3_internal{2,3}): Correct some insn lengths.
1793 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
1796 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
1798 * loop.c (reg_single_usage): New file-scope variable ...
1799 (scan_loop): ... moved out of here. Always initialize.
1800 Test loop_has_call instead of reg_single_usage not zero.
1801 Free reg_single_usage after strength reduction.
1802 (count_loop_regs_set): Assume single_usage non-zero.
1803 (combine_givs_used_by_other): Test reg_single_usage.
1804 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
1805 as a parameter. Assume non-zero.
1807 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
1809 * cpplib.c (special_symbol): Rewrite. Don't copy things
1810 multiple times. Handle __STDC__ specially. T_CONST
1811 indicates a constant /string/. Don't handle T_*_TYPE and
1812 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
1813 adjust_position. Determine the file buffer only if needed.
1814 (initialize_builtins): Handle __SIZE_TYPE__,
1815 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
1816 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
1817 Don't provide __OBJC__; the driver does that. Provide
1818 __STDC_VERSION__, using T_CONST. Use T_STDC for
1819 __STDC__. Give install the length of all symbols defined.
1820 (eval_if_expression): Drop code to insert and remove the
1821 "defined" special symbol.
1823 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
1824 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
1826 * cpphash.c (install): Drop the `ivalue' parameter. Constify
1827 the `value' parameter. All callers changed.
1828 * cpphash.h (install): Change prototype to match.
1829 (union hashval): Remove `ival' member.
1830 * cppexp.c (cpp_lex): Handle `defined' here.
1832 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
1834 * pa.h (EXTRA_CONSTRAINT): Fix comment.
1836 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1838 * c-typeck.c (check_init_type_bitfields): Use nonincremental
1839 initialization of unions whose first member is a bitfield.
1840 Remove unnecessary code for checking the declaration mode
1841 after DECL_C_BIT_FIELD.
1843 * varasm.c (output_constructor): Additional comment about the
1844 constructor of bitfield union initialization.
1846 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1848 * config/c4x/c4x.md (*movhi_stik): New pattern.
1849 (movhi): Allow some immediate constants to be directly
1852 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1854 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
1855 (call, call_value): Force address into a register if not valid
1856 for a call instruction.
1857 (load_immed_address): Emit a USE of the SYMBOL_REF that is
1859 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
1861 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1863 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
1864 Rename from call_operand and symbolic_operand respectively. All
1866 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
1868 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
1870 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
1872 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1874 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
1875 LO_SUM address for HImode or HFmode but instead force address into
1876 a register so that it is offsettable.
1877 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
1879 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1881 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
1882 REG+REG addressing if strength reduction enabled.
1884 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1886 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
1887 (TARGET_LIBGCC2_CFLAGS): Define.
1889 1999-02-08 Nick Clifton <nickc@cygnus.com>
1891 * config/v850/v850.md: Replace \\n\\t with \\;
1893 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
1894 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
1895 Enforce TARGET_LONG_CALLS option.
1897 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
1899 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
1901 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
1903 * m88k/t-luna-gas: Remove bash dependency.
1905 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
1907 * collect2.c (xrealloc): Fix typo in last change.
1909 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
1911 * version.c: Bump for snapshot.
1913 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
1915 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
1916 that we do not want macro replacement within a character constant.
1917 (TYPE_CHECK1): Likewise.
1919 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
1921 * tree.h (DECL_P): New macro.
1923 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1925 * version.c: Bump for snapshot.
1927 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
1929 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
1931 * README.g77, gcc.c, gcc.texi: Update email addresses.
1932 * invoke.texi system.h: Likewise.
1934 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
1936 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
1937 to convert dest_reg to new_reg.
1939 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
1941 * reload1.c (reload_combine_note_store): Be more careful with
1942 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
1943 (move2add_note_store): Likewise.
1945 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1947 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
1948 U_CHAR* when assigning to one. Ensure the values of a ?: operator
1951 * cppinit.c (initialize_char_syntax): Use K&R function definition.
1953 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
1956 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
1957 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
1958 (TARGET_CPU_DEFAULT): Rework to support ARM9.
1959 (CPP_CPU_ARCH_SPEC): Likewise.
1960 (enum processor_type): Likewise.
1961 * config/arm/arm.md (attr cpu): Add arm9.
1963 General scheduling changes
1964 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
1965 (max_insns_skipped): New variable.
1966 (arm_override_options): If generating hard floating point code for
1967 the FPA, emit code for version 3.
1968 When optimizing for space, don't synthesize constants.
1969 Reword several flags based on the requested processor and optimization
1971 (use_return_insn): New argument iscond, all callers changed. Don't
1972 use a return insn if it will be conditional and that would be
1973 expensive; eg on StrongARM.
1974 (arm_adjust_cost): Anti- and output- dependencies normally have no
1976 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
1977 the sequence is short.
1978 (final_prescan_insn): Use max_insns_skipped instead of
1979 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
1980 conditional, and aviod this if it would be expensive.
1981 * config/arm/arm.md (scheduling attributes and function units):
1982 Rewrite to better describe ARM8, 9 and StrongARM.
1984 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
1986 (*ifcompare_plus_move): Use arm_rhs_operand in place of
1987 arm_rhsm_operand. Rework constraints.
1988 (*if_plus_move): Likewise.
1989 (*ifcompare_move_plus): Likewise.
1990 (*if_move_plus): Likewise.
1991 (*ifcompre_arith_move): Likewise.
1992 (*if_arith_move): Likewise.
1993 (*ifcompare_move_arith): Likewise.
1994 (*if_move_arith): Likewise.
1996 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
1998 1999-02-05 Michael Meissner <meissner@cygnus.com>
2000 * loop.c (check_dbra_loop): A store using an address giv for which
2001 we have no life information is not reversible.
2003 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
2005 * function.c (fixup_var_refs): Scan catch_clauses too.
2007 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
2009 * c-common.c (decl_attributes): Fix reserved space for init_priority.
2010 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
2012 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
2014 * loop.c (strength_reduce): Clear not_every_iteration when
2015 passing the NOTE_INSN_LOOP_CONT note.
2017 * haifa-sched.c (add_dependence): Do not add a dependency on a
2020 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
2022 * recog.c (split_block_insns): Only call update_flow_info if
2023 instruction scheduling is enabled.
2025 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2027 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
2029 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2031 * loop.c (first_loop_store_insn): New file-scope variable.
2032 (prescan_loop): Set it.
2033 (check_dbra_loop): Check if a store depends on a register
2034 that is set after the store.
2036 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2038 * unroll.c (entire file): Remove tabs / spaces at end of lines.
2039 Replace spaces with tabs where appropriate.
2041 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2043 * loop.c (scan_loop): New argument loop_cont. Changed caller.
2044 (strength_reduce): New argument loop_cont. Changed caller.
2045 Before clearing not_every_iteration after a label, check if
2046 we are not already past LOOP_CONT.
2048 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2050 * cpperror.c (cpp_print_containing_files): Fix formatting
2051 bug induced by merge.
2053 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2055 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2056 (cpp_define): Remove redundant syntax checks.
2057 (make_assertion): Rename cpp_assert, remove redundant syntax
2059 (cpp_options_init): Don't init things to zero twice.
2060 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2061 (do_include): Kill excessively verbose #import warning that
2062 snuck back in in the gcc2 merge.
2063 (convert_string): Removed.
2064 (do_line): Rewrite with simple last-name-used cache instead of
2066 (cpp_start_read): Call initialize_char_syntax here, not...
2067 (cpp_reader_init): ...here.
2068 (cpp_handle_options): Support the -std switch.
2069 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2070 (cpp_options): Add c9x flag.
2071 Declare all the is_* tables and trigraph table here, as const.
2072 Prototype cpp_assert and initialize_char_syntax.
2073 * cppinit.c: New file.
2074 * cppfiles.c (read_and_prescan): Optimize.
2075 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2077 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2079 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2080 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2081 before calling gen_div_trap.
2083 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2085 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2086 than numeric value for target_cpu_default..
2087 * configure: Rebuilt.
2089 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2091 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2092 mkstemp. Get them from libiberty.
2093 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2094 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2095 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2096 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2098 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2100 * pa-hpux.h (LINK_SPEC): Likewise.
2101 * pa-hpux10.h (LINK_SPEC): Likewise.
2102 * pa-hpux9.h (LINK_SPEC): Likewise.
2103 * pa-osf.h: (LINK_SPEC): Likewise.
2104 * pa-pro.h (TARGET_DEFAULT): Likewise.
2105 * pa1.h (TARGET_DEFAULT): Likewise.
2106 * pa.h (MASK_*): New defines.
2107 (TARGET_*): Use symbolic values rather than numeric values.
2108 (TARGET_SWITCHES): Likewise.
2109 (TARGET_DEFAULT): likewise.
2110 (CPP_SPEC): likewise.
2112 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2114 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2115 * reload.c (find_reusable_reload): New function, broken out of
2116 push_reload. Add code to verify that none of the involved
2117 outputs are subject to earlyclobbers.
2118 (push_reload): Break out new function find_reusable_reload.
2119 Delete "register" keyword for IN, OUT args.
2121 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2123 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2124 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2125 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2126 Use true_reg_or_0_operand for div_trap.
2128 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2130 * loop.h (express_from): Declare.
2131 (struct induction): Replace derived flag with derived_from pointer.
2132 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2133 (express_from): No longer static.
2134 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2135 When processing an address giv with which another giv has been
2136 combined that has also been derived from a third giv, handle like
2137 having combined with the third giv.
2138 Set splittable_regs_updates appropriately for derived givs.
2140 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2142 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2144 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2146 * pa.c (insn_sets_and_refs_are_delayed): New function.
2147 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2148 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2150 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2152 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2153 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2154 (TARGET_LIBGCC2_CFLAGS): Define.
2155 (LIBGCC2_DEBUG_CFLAGS): Define.
2156 * config/arm/t-netbsd: Likewise.
2157 * config/arm/t-semi: Likewise.
2158 * config/arm/t-semiaof: Likewise.
2159 * config/arm/t-riscix: Likewise.
2161 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2163 * config/m68k/m68k.c (print_operand_address): When printing a
2164 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2166 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2168 * i386/freebsd*.h now allows '$' in label names and does not use the
2169 PCC struct return method.
2171 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2173 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2174 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2175 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2176 names if host == target.
2177 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2178 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2179 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2180 setting them to *_FOR_TARGET.
2181 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2184 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2186 * toplev.h (read_integral_parameter): Declare.
2187 * toplev.c (read_integral_parameter): New function.
2189 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2191 * resource.c, resource.h: New files.
2192 * Makefile.in (OBJS): Add it.
2194 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2195 (split_block_insns): Moved to recog.c.
2196 (update_flow_info): Make public.
2197 * rtl.h: Declare them.
2199 * reorg.c: Moved the functions dealing with computing resource
2200 usage to resource.c.
2202 * sched.c (regno_use_in): Moved to rtlanal.c.
2203 (update_flow_info): Make public.
2204 (schedule_insns): Use split_block_insns.
2206 * recog.c (split_block_insns): New function.
2208 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
2210 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2211 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2213 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2215 * configure.in (arm-*-oabi): Support.
2216 * configure: Regenerate.
2217 * config/arm/unknown-elf-oabi.h: New file.
2219 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2221 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2222 Make the anonymous pattern match when ! optimize_size.
2223 (ashlsi3 size optimizer): New pattern.
2225 * intl/Makefile.in (uninstall): Add missing "; \".
2227 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2229 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2232 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2234 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2235 to after find_and_verify_loops call.
2237 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2239 * (recombine_givs): Don't use a giv that's likely to be dead to
2242 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2243 wrap around when deriving givs.
2245 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2247 * recog.c (check_asm_operands): Treat indeterminate operand ok
2248 results as success. Try harder to resolve a matching constraint.
2249 * stmt.c (expand_asm_operands): Recognize when an output operand's
2250 constraint does not allow memory. Treat indeterminate operand ok
2251 results as failure. Try harder to resolve a matching constraint.
2253 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2255 Use varrays for constant-equivalence data:
2257 * varray.h (struct const_equiv_data): New type.
2258 (union varray_data_tag): New element const_equiv.
2259 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2260 (VARRAY_SIZE): New macro, returns number of elements.
2261 * integrate.h: Include varray.h.
2262 (struct inline_remap): Replace const_equiv_map, const_age_map and
2263 const_equiv_map_size with a const_equiv_varray element.
2264 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2266 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2267 simultaneously, growing the varray if needed.
2269 * integrate.c (global_const_equiv_map,
2270 global_const_equiv_map_size): Deleted, replaced by....
2271 (global_const_equiv_varray): New variable.
2272 (expand_inline_function): References changed.
2273 * integrate.h: Update declarations.
2275 * integrate.c (process_reg_parm, expand_inline_function,
2276 copy_rtx_and_substitute, try_constants, subst_constants,
2277 mark_stores): Use varray allocation and accessor macros, new
2278 integrate.h macros, and global_const_equiv_varray. Don't
2279 conditionalize non-NULL stores on array size; instead, expand the
2281 * unroll.c (unroll_loop): Likewise.
2283 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2284 zero. After allocating varray, always exit through bottom of
2285 function, where it can be deallocated if needed. Don't explicitly
2286 reallocate const_equiv_map storage; instead, just ensure the
2287 varray has been initialized, and update the global reference.
2289 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2293 * dwarf2out.c (inline): Don't define.
2295 * dwarfout.c (inline): Likewise.
2297 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2299 * loop.c (recombine_givs): Dump recombination and derivation data.
2301 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2303 * flags.h: Declare flag_no_ident.
2304 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2305 * c-tree.h: Don't declare flag_no_ident.
2306 * c-decl.c: Don't define flag_no_ident. Don't process
2307 -f(no-)ident switches here.
2309 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2310 only if !flag_no_ident.
2311 * config/ptx4.h: Likewise.
2312 * config/svr4.h: Likewise.
2313 * config/alpha/elf.h: Likewise.
2314 * config/arm/linux-elf.h: Likewise.
2315 * config/i386/sco5.h: Likewise.
2316 * config/i860/fx2800.h: Likewise.
2317 * config/mips/gnu.h: Likewise.
2318 * config/i386/osfrose.h: Likewise.
2320 * gcc.c (C specs): Map -Qn to -fno-ident.
2321 * objc/lang-specs.h: Likewise.
2323 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2325 * configure.in: Don't remove loop.o and unroll.o when
2326 enable-haifa is selected.
2327 * configure: Rebuilt.
2329 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2331 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2332 movxfcc, movdicc): Delete unconstrained alternatives.
2333 * i386.c (output_fp_conditional_move,
2334 output_int_conditional_move): Delete unused case.
2336 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2338 * version.c: Bump for snapshot.
2340 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2342 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2343 instead of bis and cpys. Combine alternatives where possible.
2345 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2347 * gcov.c (fnotice): Add missing FILE* parameter.
2348 (function_summary): Fix format specifiers in calls to `fnotice'.
2349 (output_data): Likewise.
2351 * toplev.c (fnotice): Constify char* parameter.
2353 * toplev.h (fnotice): Add prototype.
2354 Wrap prototype with BUFSIZ to protect FILE* usage.
2356 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2358 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2360 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2362 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2364 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2365 function definition.
2366 (aliases_everything_p, write_dependence_p):Likewise.
2368 * install.texi: Fix merge lossages.
2370 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2372 * collect2.c (main): Likewise.
2373 * cppmain.c (main): Likewise.
2374 * gcc.c (main): Likewise.
2375 * gcov.c (main): Likewise.
2376 * protoize.c (main): Likewise.
2377 * toplev.c (main): Likewise.
2379 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2382 * loop.c: Disable recent loop changes. Temporary as Joern
2383 continues to fix problems.
2385 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2387 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2389 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2391 * emit-rtl.c (remove_insn): New function.
2392 * rtl.h (remove_insn): Add prototype.
2393 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2395 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2397 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2399 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2401 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2402 when declaring arguments and calling va_arg() to initialize them.
2404 * collect2.c (notice): Likewise.
2406 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2408 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2410 * collect2.c (error): Fix typo in declaration.
2412 * cpperror.c (cpp_message): Likewise.
2414 * cpplib.c (cpp_warning): Likewise.
2416 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2419 * toplev.c (error): Fix typo in declaration.
2421 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2423 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2424 forward from cont dominator.
2426 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * cccp.c (eprint_string): Constify a char*.
2429 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2430 (vnotice): Constify a char*.
2431 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2432 (verror): Constify a char*.
2433 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2434 (vwarning): Constify a char*.
2435 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2437 (verror_with_line): Constify a char*.
2438 (vwarning_with_line): Likewise.
2439 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2441 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2443 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2444 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2445 Also correct typo in parameter name declaration.
2446 (make_assertion): Constify a char*.
2447 (quote_string_for_make): Likewise.
2448 (deps_output): Likewise.
2449 (fatal): Likewise. Use PVPROTO not VPROTO, add
2450 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2451 "__attribute__ ((noreturn))".
2452 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2453 (pfatal_with_name): Likewise.
2454 (pipe_closed): Likewise.
2455 (memory_full): Likewise.
2457 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2459 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2460 may_not_optimize to proper size when converting biv increments
2462 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2465 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2467 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2468 generate complex adds. Changed caller.
2469 Don't generate adds that cost more than the original one.
2470 (strength_reduce): Warning fixes.
2472 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2474 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2475 * configure: Rebuilt.
2477 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2479 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2480 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2481 * loop.h (varray.h): Include.
2482 (struct induction): Change combined_with to unsigned.
2483 New members derived, ix and last_use.
2484 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2485 (REG_IV_TYPE, REG_IV_INFO): Define.
2486 (first_increment_giv, last_increment_giv): Declare.
2487 * loop.c (loop_number_loop_cont): New static variable.
2488 (loop_number_cont_dominator): Likewise.
2489 (reg_iv_type, reg_iv_info): Now varray_type.
2490 (first_increment_giv, last_increment_giv): New variables.
2491 (compute_luids, verify_dominator, find_life_end): New functions.
2492 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2493 (loop_optimize): Allocate loop_number_loop_cont and
2494 loop_number_cont_dominator. Use compute_luids.
2495 (find_and_verify_loops): Initialize loop_number_loop_cont and
2496 loop_number_cont_dominator.
2497 (strength_reduce): Try to find bivs that can be expressed as givs
2498 of another biv, and to convert biv increments into givs.
2499 Call recombine_givs. Handle derived givs.
2500 (record_biv): New argument location. All callers changed.
2501 (record_giv): Initialize derived and last_use fields.
2502 (basic_induction_var): New argument location. All callers changed.
2503 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
2504 Increment combined_with instead of setting to 1.
2505 * unroll.c (derived_regs): New static variable.
2506 (unroll_loop): Initialize it.
2507 Allocate local_regno according to max_reg_num.
2508 (copy_loop_body): Cope with derived givs.
2509 (find_splittable_givs): Check for Givs made from biv increments.
2510 Set derived_regs for givs.
2511 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
2513 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2515 * function.c (purge_addressof_1): Handle case when a register
2516 has been used in a wider mode.
2518 1999-01-27 Bruce Korb <autogen@linuxbox.com>
2520 * fixinc/fixincl.c, fixinc/server.[ch]:
2521 Removed the last of the capitalized variable and proc names.
2523 * fixinc/server.c: Removed the process open code
2524 * fixinc/procopen.c: New file containing the proc open code
2525 * fixinc/inclhack.tpl: Added code to bypass a readability test
2526 when a file is not present. A problem on some systems.
2527 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
2529 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2531 * cpplib.h (cpp_notice): Add prototype.
2533 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2535 * Merge gcc2 snapshot 19980929.
2537 * cccp.c (PRINTF_PROTO): Remove.
2538 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2540 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2542 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2543 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2544 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2546 * gen-protos.c (hashf): Delete in cpphash.o
2547 * gen-protos.c (hashf): Delete in cpphash.o
2549 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2550 * expmed.c: Likewise.
2551 * rs6000.md: Likewise.
2553 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2555 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2557 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2558 * rs6000.md (movsi, movdi): Likewise.
2560 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2562 * function.c (expand_function_end): Pass arg_pointer_save_area to
2563 validize_mem before using it. Emit code into a sequence.
2565 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2567 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2568 '#' to split patterns. Correct indentation of some new patterns.
2570 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2572 * cppfiles.c (safe_read): Deleted.
2573 (read_and_prescan): New function, replaces safe_read, converts
2574 and/or warns about trigraphs, silently converts odd line
2575 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2576 (finclude): Use read_and_prescan; turn off nonblocking mode on
2577 the input descriptor; remove file-size-examination and
2578 no-newline-at-EOF gunk which is longer necessary; be more
2579 careful about checking that we've been handed a legitimate
2580 file to read (only real files, pipes, and ttys are acceptable).
2581 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2582 `trigraphs' and invert its sense.
2583 (trigraph_table): Declare.
2584 (cpp_warning_with_line): Prototype.
2585 * cpplib.c: Remove all references to trigraph_pcp. Define
2586 trigraph_table; initialize it in initialize_char_syntax. Open
2587 files in nonblocking mode. s/no_trigraphs/trigraphs/
2588 throughout, and invert sense. Put cpp_warning_with_line back
2591 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2593 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2594 * config/c4x/c4x.md (*rptb_init): Change constraints.
2595 (rptb_end): Emit alternate looping instructions if
2596 RC register not allocated for loop counter.
2597 (decrement_and_branch_on_count): Allow other registers
2600 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2602 * cppexp.c (struct arglist): Removed.
2603 (parse_number): Use HOST_WIDE_INT for the accumulator.
2604 Allow two `l' suffixes unless C89. Clean up. Make static.
2605 (parse_charconst): New function broken out of cpp_lex.
2606 Code cleaned up drastically. Don't use a token_buffer.
2607 (token_buffer): Removed.
2608 (cpp_lex): Don't call parse_number on a constant string.
2609 Use parse_charconst.
2610 (cpp_parse_expr): Properly handle an ERROR op returned by
2613 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2615 * cpplib.c: Don't include signal.h, sys/times.h, or
2616 sys/resource.h. Don't declare localtime.
2617 (macroexpand): Handle special symbols here.
2618 (push_macro_expansion): Chop off the trailing '@ ' if possible
2620 (cpp_get_token): Don't do either of the above two things here.
2621 Move `string' label just after case '"' so that wide strings
2622 don't crash the preprocessor.
2624 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
2626 * rs6000.md (left shift + set cr patterns): Add missing '#' to
2628 (move register + set cr pattern): Ditto.
2629 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
2630 inadvertently deleted.
2632 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
2634 * stmt.c (stmt_loop_nest_empty): New function.
2635 * tree.h (stmt_loop_nest_empty): Declare it.
2636 * rtl.def (CALL_PLACEHOLDER): New rtx code.
2638 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2640 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
2642 (c4x_check_legit_addr): Remove USE and PLUS, allow
2643 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
2644 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
2645 CONST cases. Add LO_SUM.
2646 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
2647 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
2648 (c4x_print_operand_address): Handle LO_SUM.
2649 (c4x_scan_for_ldp): Delete. Hooray!
2650 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
2652 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
2654 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
2656 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
2658 (c4x_U_constraint, symbolic_operand): New functions.
2659 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
2660 disable SYMBOL_REF, LABEL_REF, and CONST.
2661 (lsrc_operand, tsrc_operand): Call src_operand instead of
2663 (c4x_operand_subword): Update comments.
2665 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
2666 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
2667 plus HIGH and LO_SUM for the C40.
2668 (ENCODE_SECTION_INFO): Define macro.
2669 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
2671 (PREDICATE_CODES): Add symbolic_operand.
2673 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
2674 c4x_emit_move_sequence.
2675 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
2676 to avoid symbol references.
2677 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
2678 (set_high): Renamed from set_high_use.
2679 (set_lo_sum): Renamed from set_ior_lo_use.
2680 (all call patterns): Make MEM explicit in call address operands.
2681 Modified output templates to use 'U' modifier.
2683 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
2685 * version.c: Bump for snapshot.
2687 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * final.c (bb_str): Qualify a char* with the keyword `const'.
2690 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
2692 * fix-header.c (read_scan_file): Likewise.
2694 * genoutput.c (output_epilogue, process_template): Likewise.
2696 * local-alloc.c (requires_inout, block_alloc): Likewise.
2698 * output.h (output_asm_insn, assemble_string): Likewise.
2700 * recog.c (recog_constraints, check_asm_operands,
2701 decode_asm_operands, extract_insn, preprocess_constraints,
2702 constrain_operands): Likewise.
2704 * recog.h (operand_alternative, recog_constraints, insn_template,
2705 insn_outfun, insn_operand_constraint, insn_name): Likewise.
2707 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
2709 * regmove.c (find_matches): Likewise.
2711 * reload.c (alternative_allows_memconst): Likewise.
2713 * reload1.c (constraint_accepts_reg_p,
2714 reload_cse_simplify_operands): Likewise.
2716 * rtl.h (decode_asm_operands): Likewise.
2718 * scan.h (fn_decl): Likewise.
2720 * varasm.c (assemble_string): Likewise.
2722 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
2724 * configure.in (gcc_tooldir): Handle case where exec_prefix has
2725 not been explicitly set.
2726 * configure: Rebuilt.
2728 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
2731 * bitmap.h (bitmap_head_def): Make indx field unsigned.
2733 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
2734 use $exec_prefix/$target_alias for gcc_tooldir.
2735 * configure: Rebuilt.
2737 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
2739 * cppp.c (xrealloc): Fix typo last change.
2740 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
2741 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
2742 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2744 1999-01-22 Michael Meissner <meissner@cygnus.com>
2746 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
2747 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
2748 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
2749 (cc_reg_not_cr0_operand): Add declaration.
2751 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
2752 pseudo register, or a control register that is not CR0.
2754 * rs6000.md (all combiner patterns building . instructions): For
2755 all `.' instructions that do something and set cr0, add an
2756 alternative that does the operation, and then sets a different
2757 flag, in order to avoid using the costly mcrf instruction and also
2758 allow cr0 to be clobbered in asm statements. Also fix a few
2759 patterns that used the wrong register.
2761 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
2762 (rs6000_debug_name): Make const char *, not char *.
2764 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
2766 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
2767 (rs6000_select): Use const char * in casts.
2769 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
2771 * Makefile.in (gcc_tooldir): Move before first reference.
2772 Let autoconf substitute in a value.
2773 * configure.in (gcc_tooldir): Only use a relative path to the
2774 tool directory if $exec_prefix == $prefix.
2775 * configure: Rebuilt.
2777 * Makefile.in (tooldir): Replace with gcc_tooldir.
2779 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
2781 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
2782 (ashldi3 expander): Similarly. Update comments.
2783 (ashrdi_const, lshrdi_const): Fix indention.
2784 (ashrdi3, lshrdi3): FIx indention. Update comments.
2786 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
2788 * emit-rtl.c (try_split): Don't try to split non-instructions.
2790 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2792 * expr.c (emit_push_insn): Fix dumb typo.
2794 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
2796 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
2797 transformations that we have performed earlier.
2798 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2800 * alpha.md (prologue_stack_probe_loop): Don't do our own label
2801 handling, call gen_label_rtx instead.
2803 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
2805 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
2807 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
2808 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
2809 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2810 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
2811 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
2813 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
2815 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
2816 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
2817 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
2818 * configure: Regenerate.
2820 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
2822 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
2824 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
2826 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2828 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
2830 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
2831 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
2832 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
2833 (move_by_pieces): Use new macros.
2834 (emit_block_move): Use new macros.
2835 (clear_by_pieces): Use new macros.
2836 (clear_storage): Use new macros.
2837 (emit_push_insn): Use new macros.
2838 (expand_expr): Use new macros.
2839 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
2841 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
2842 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
2843 (MOVE_MAX_PIECES): move 8 bytes on SH4.
2844 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
2845 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
2846 USE_STORE_PRE_DECREMENT): Describe new macros.
2848 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2850 * varasm.c (output_constant_pool): Use floor_log2 instead of
2851 exact_log2 for ASM_OUTPUT_ALIGN.
2853 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
2855 * emit-rtl.c (operand_subword): Handle case when a subword outside
2858 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
2861 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
2863 * cse.c (fold_rtx): Revert 29 Dec change.
2864 (cse_insn): Revert 12 Jan change.
2865 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
2866 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
2867 * rtl.def: Likewise.
2868 * rtl.h (CONSTANT_P): Likewise.
2870 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
2872 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
2873 * alpha.c (input_operand): Likewise.
2874 * c4x.c (const_operand): Likewise.
2876 * explow.c (allocate_dynamic_stack_space): Use register_operand
2877 instead of arith_operand, which does not exist.
2879 * 1750a.h: Fix comment closure.
2880 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
2881 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
2882 * arm.h (TARGET_SWITCHES): Fix typo.
2883 * i370.md (anon mult and div patterns): Fix set mode mismatch.
2884 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
2885 (output_delay_insn): Likewise.
2886 * m88k.md (anon rotate insns): Fix set mode mismatch.
2887 (anon BLKmode moves): Commonize and fix set mode mismatches.
2888 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
2889 * romp.md (movdf): Fix typo.
2891 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
2893 * Makefile.in (install-common): Remove extraneous chmod for gcov
2896 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
2898 * function.c (assign_parms): Save and restore setting of
2901 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
2903 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
2904 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
2906 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
2908 * recog.c (pop_operand): New function.
2909 * recog.h (pop_operand): Declare it.
2910 * genrecog.c (preds): Define it.
2912 * expr.c (do_jump_for_compare): Handle conditional branch expanders
2913 emitting multiple jump instructions.
2914 * jump.c (condjump_label): New function.
2915 * rtl.h (condjump_label): Declare it.
2917 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
2919 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
2920 clobber during or after reload.
2922 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
2924 * genoutput.c (name_for_index): New function.
2925 (scan_operands, validate_insn_alternatives): Use it.
2926 * genrecog.c (insn_name_ptr_size): New variable.
2927 (make_insn_sequence): Fill in insn_name_ptr.
2928 (merge_trees): Use it.
2930 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
2932 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
2933 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
2934 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
2936 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
2938 * loop.c (NUM_STORES): Delete.
2939 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
2940 (prescan_loop): Properly initialize loop_mems_idx.
2941 (note_addr_stored): Simplify using list structure instead of
2943 (invariant_p, check_dbra_loop, load_mems): Similarly.
2945 * flow.c (invalidate_from_autoinc): New function.
2946 (mark_set_1, mark_used_regs): Use it.
2948 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
2950 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
2952 * invoke.texi (-mlong-double-64): New option description.
2954 1999-01-19 Jim Wilson <wilson@cygnus.com>
2956 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
2957 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
2958 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
2960 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
2961 (CPP_SPECS): Add -mlong-double-64 support.
2962 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
2963 (TARGET_SWITCHES): Add -mlong-double-64 support.
2964 (LONG_DOUBLE_TYPE_SIZE): Likewise.
2965 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2966 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
2967 (CPP_SPECS): Add -mlong-double-64 support.
2968 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
2969 (MULTILIB_DIRNAMES): Add ld64.
2970 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
2972 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
2974 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
2975 invisible reference.
2977 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
2979 * rs6000.c (offsettable_addr_operand): Delete.
2980 (offsettable_mem_operand): New function.
2981 * rs6000.h (PREDICATE_CODES): Reflect function change.
2982 (RS6000_SAVE_TOC): Represent address as MEM.
2983 * win-nt.h (RS6000_SAVE_TOC): Same.
2984 * rs6000.md (indirect calls): Change offsettable address parameter
2985 to offsettable memory parameter.
2987 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
2989 * rtl.h (rtx_def): Update documentation.
2990 (MEM_IN_STRUCT_P): Likewise.
2991 (MEM_SCALAR_P): New macro.
2992 (MEM_COPY_ATTRIBUTES): Likewise.
2993 (MEM_SET_IN_STRUCT_P): Likewise.
2994 * rtl.texi (MEM_SCALAR_P): Document.
2995 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
2996 (fixed_scalar_and_varying_struct_p): New function. Use
2997 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
2998 (aliases_everything_p): Likewise.
2999 (true_dependence): Use them.
3000 (write_dependence_p): New function, containing code common to
3001 anti_dependence and output_dependence.
3002 (anti_dependence): Use it.
3003 (output_dependence): Likewise.
3004 * calls.c (save_fixed_argument_area): Don't clear
3006 (expand_call): Use MEM_SET_IN_STRUCT_P.
3007 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
3008 (emit_library_call_value): Likewise.
3009 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
3010 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
3011 (make_extraction): Likewise.
3012 (simplify_shift_const): Likewise.
3013 (gen_lowpart_for_combine): Likewise.
3014 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
3015 * emit-rtl.c (operand_subword): Likewise.
3016 (change_address): Likewise.
3017 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
3018 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
3019 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
3020 (copy_blkmode_from_reg): Likewise.
3021 (store_field): Likewise.
3022 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
3023 heuristically. Use MEM_SET_IN_STRUCT_P.
3024 (get_memory_rtx): Likewise.
3025 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
3026 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
3027 MEM_ALIAS_SET on newly returned MEMs.
3028 (assign_temp): Use MEM_SET_IN_STRUCT_P.
3029 (put_reg_into_stack): Likewise.
3030 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
3031 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
3032 (assign_parms): Likewise.
3033 (expand_function): Likewise.
3034 * integrate.c (expand_inline_function): Likewise.
3035 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
3036 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
3037 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
3038 * print-rtl.c (print_rtx): Print /f for frame_related.
3039 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
3040 * reload1.c (reload): Copy MEM_SCALAR_P as well.
3041 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
3042 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
3043 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
3044 (output_constant_def): Likewise.
3045 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3047 (a29k_set_memflags): Use it.
3048 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3049 * c4x.c (c4x_scan_for_ld): Likewise.
3050 * h8300.c (fix_bit_operand): Likewise.
3051 * m88k.c (legitimize_address): Likewise.
3052 (block_move_loop): Likewise.
3053 (block_move_no_loop): Likewise.
3054 (block_move_sequence): Likewise.
3055 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3056 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3057 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3058 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3059 * arm.h (arm_gen_load_multiple): Take scalar_p.
3060 (arm_store_load_multiple): Likewise.
3061 * arm.c (arm_gen_load_multiple): Likewise.
3062 (arm_gen_store_multiple): Likewise.
3063 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3065 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3067 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3068 calls within a libcall block to indicate no throws are possible.
3069 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3070 libcall blocks. Don't add edges to exception handlers if we see
3071 a REG_EH_REGION note with a value of 0.
3072 (make_edges): Override active_eh_region vector if the call has a note
3073 indicating the call does not throw.
3075 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3077 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3079 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3081 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3083 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3085 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3087 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3089 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3090 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3093 1999-01-18 Michael Meissner <meissner@cygnus.com>
3095 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3096 supported with -mcpu=xxx.
3097 (processor_type): Add PROCESSOR_PPC750.
3098 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3099 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3100 (rs6000_adjust_priority): Add declaration.
3102 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3103 processor type as 750, not 603. Allow -mmultiple and -mstring on
3104 little endian 750 systems.
3105 (rs6000_adjust_priority): Stub for now.
3106 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3108 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3110 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3112 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3114 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3115 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3117 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3120 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3122 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3124 * config/mips/mips.md (div_trap): Split div_trap_mips16
3126 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3128 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3130 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3131 Instead of writing to const char *buf directly, use a non-const
3132 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3134 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3137 * dyn-string.c (dyn_string_append): Likewise.
3139 * dyn-string.h (dyn_string_append): Likewise.
3141 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3143 * output.h (end_final, output_operand_lossage, asm_fprintf,
3144 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3147 * profile.c (init_branch_prob): Likewise.
3149 * toplev.c (set_target_switch, vmessage,
3150 v_message_with_file_and_line, v_message_with_decl,
3151 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3152 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3153 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3154 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3155 open_dump_file, dump_rtl, clean_dump_file,
3156 print_version, print_single_switch, print_switch_values,
3157 dump_base_name, debug_args, lang_independent_options,
3158 user_label_prefix, documented_lang_options, target_switches,
3159 target_options, print_time, pfatal_with_name, fatal_io_error,
3160 fatal_insn, default_print_error_function, print_error_function,
3161 report_error_function, error_with_file_and_line, error_with_decl,
3162 error_for_asm, error, fatal, warning_with_file_and_line,
3163 warning_with_decl, warning_for_asm, warning, pedwarn,
3164 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3165 really_sorry, botch, output_quoted_string, output_file_directive,
3166 open_dump_file, rest_of_decl_compilation, display_help, main):
3169 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3170 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3171 warning_with_file_and_line, error_with_file_and_line, sorry,
3172 really_sorry, default_print_error_function, report_error_function,
3173 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3174 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3175 output_file_directive, botch): Likewise.
3177 * tree.h (make_decl_rtl): Likewise.
3179 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3180 make_decl_rtl): Likewise.
3182 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3184 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3185 directory logically rather than physically.
3187 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3189 * loop.c (insert_bct): Hide the definition of variables
3190 `increment_direction', `compare_direction', `add_iteration' and
3193 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3194 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3195 (mode_independent_operand): Mark label `lose' with
3196 ATTRIBUTE_UNUSED_LABEL.
3198 * regclass.c (n_occurrences): Remove prototype and definition.
3200 * reload.c (find_reloads_address_1): Mark variable `tem' with
3203 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3205 * sbitmap.c (sbitmap_copy): Likewise.
3207 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3209 * toplev.c (output_lang_identify): Mark prototype with
3212 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3213 (make_tree_vec): Likewise.
3216 * varasm.c (assemble_static_space): Mark variable `tem' with
3219 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3221 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3222 (install-common): Use it.
3223 (uninstall): Use it.
3224 (uninstall): Use correct names for protoize and unprotoize.
3226 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3227 Jeffrey A Law (law@cygnus.com)
3229 * flow.c (last_mem_set): Delete variable. References removed.
3230 (mem_set_list): New variable.
3231 (life_analysis): Initialize and finalize alias analysis.
3232 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3233 (insn_dead_p): For a store to memory, search the entire mem_set_list
3235 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3236 changes to their addresses. Add new entries to the mem_set_list for
3237 memory writes writes.
3238 (mark_used_regs): Kill entries on the mem_set_list which may be
3239 referenced by a load operation.
3241 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3243 * alias.c (base_alias_check): Add missing return for differing
3246 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3248 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3249 missing local symbols.
3251 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3253 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3255 * system.h (bcopy): Implement with memmove not memcpy.
3257 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3259 * Makefile.in (cppulp.o): Add dependencies.
3261 * i386.md (integer conditional moves): Add missing earlyclobbers.
3263 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3264 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3265 where a register is live.
3267 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3269 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3270 of a FP conditional move is not on the FP register stack.
3272 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3274 * version.c: Bump for snapshot.
3276 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3278 * reload1.c (reload_cse_regs_1): Do not call
3279 reload_cse_simplify_operands for an insn with asm operands.
3281 * cccp.c (print_help): Fix typos.
3282 * cpplib.c (print_help): Fix typos.
3283 * toplev.c (f_optiosn): Fix typos.
3284 (documented_lang_options): Fix typos.
3286 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3288 * gcc.c: (do_spec_1): Fix obvious typo.
3290 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3292 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3293 a non-static function declaration follows a static one.
3295 * invoke.texi (-Wtraditional): Document the extra check now done
3298 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3300 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3301 needed without the addition.
3303 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3305 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3307 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3309 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3311 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
3313 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3314 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3315 non_add_cint_operand, non_logical_cint_operand): Likewise.
3316 (get_issue_rate): Add CPU_PPC604E case.
3317 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3319 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3321 * expr.c (queued_subexp_p): Make public.
3322 * expr.h (queued_subexp_p): Declare it.
3323 * recog.c (asm_operand_ok): New function.
3324 (check_asm_operands): Use it. After reload, use constrain_operands
3326 * recog.h (asm_operand_ok): Declare it.
3327 * stmt.c (expand_asm_operands): Use it to try harder to make
3328 asms initially satisfy their constraints.
3330 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3332 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3333 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3335 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3337 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3338 in delay slot of RPTBD.
3340 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3342 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3343 divide and modulo sign problem.
3345 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3347 * unroll.c (loop_iterations): Return 0 if the last loop insn
3348 is not a jump insn or if the loop has multiple back edges.
3350 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3352 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3353 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3355 * configure: Regenerate using autoconf.
3357 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3359 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3361 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3362 a register with another DEST_ADDR giv if the address is not valid.
3364 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3365 around the call to mcount.
3367 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3369 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3370 generating non-canonical rtl.
3372 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3374 * config/i960/i960.c (i960_output_move_double_zero,
3375 i960_output_move_quad_zero): New functions for moving zeros.
3376 (i960_output_move_double, i960_output_move_quad): Additional code
3377 for situation when moving unaligned register group.
3379 * config/i960/i960.h (i960_output_move_double_zero,
3380 i960_output_move_quad_zero): The function definitions.
3382 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3384 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3386 * config/i960/i960.c (i960_function_prologue): New code (optimal
3387 solution) for saving global registers in local registers.
3388 (form_reg_groups, reg_group_compare, split_reg_group): New
3389 functions used by the code.
3390 (reg_group): New structure definition for the new code.
3392 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3394 * fixinc/fixincl.c (create_file): Pass file creation mask as
3395 third parameter to "open". Use O_TRUNC flag to open instead of
3396 explicitly unlink'ing the file.
3397 (process): and forget about the "chmod" stuff.
3399 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3401 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3402 and substitute. Copy the return value from there into a new pseudo.
3404 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3406 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3407 before generating a call to abort for volatile functions.
3408 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3409 (TARGET_ABORT_NORETURN): Define.
3410 (abort-on-noreturn): New option.
3412 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3414 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3415 and binarycc operations in 3rd annulled delay slot!
3417 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3419 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3420 before generating a call to abort for volatile functions.
3421 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3422 (TARGET_ABORT_NORETURN): Define.
3423 (abort-on-noreturn): New option.
3425 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3427 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3428 Remove prototype which we get from libiberty.h.
3430 * collect2.c (xstrdup): Likewise.
3432 * genextract.c (xstrdup): Likewise for `copystr'.
3433 (mybzero): Remove it and use `memset' instead.
3435 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3436 to use `memcpy' and `memset' instead.
3438 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3439 changed. Remove prototype.
3440 (mybcopy, mybzero): Remove these and use memcpy/memset.
3442 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3444 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3445 generating code for TARGET_64BIT.
3447 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
3449 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3450 HOST_WIDE_INT word-size.
3451 (rs6000_stack_info): Remove redundant alignment of fpmem.
3453 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3455 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3456 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3457 (input_operand): Adjust CONSTANT_P_RTX handling.
3458 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3459 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3460 (movhi, movqi): Remove CONSANT_P_RTX handling.
3461 (movdi): Adjust CONSTANT_P_RTX handling.
3463 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3465 * configure: Regenerate using autoconf.
3467 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3468 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3469 (process): "fchmod" isn't available on all systems, use "chmod"
3471 * fixinc/server.c: Add #include <sys/types.h>.
3472 (STDIN_FILENO): Add default definition if no include file defines
3474 (STDOUT_FILENO): Likewise.
3476 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3478 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3480 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3482 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3483 ensure all prototypes necessary for building libio will be available.
3484 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3485 definitions here as they are not host specific.
3486 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3488 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3490 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3492 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3494 * version.c: Bump for snapshot.
3496 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3498 * rtl.c (rtx_alloc): Use memset instead of inline loop.
3500 * recog.h (recog_op_alt): Declare extern.
3502 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
3504 * function.c (purge_addressof_1): If the note accesses a mem+addressof
3505 in a wider mode than any replacement, adjust the cached replacement.
3506 Cache trivial substitutions as well.
3508 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
3510 * Makefile.in (OBJECTS): Add sbitmap.o.
3511 (BASIC_BLOCK_H): Add sbitmap.h.
3512 * basic-block.h: Move simple bitmap code to sbitmap.h.
3513 * flow.c: Move simple bitmap code to sbitmap.c
3514 * sbitmap.h, sbitmap.c: New files.
3516 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
3518 * alpha.h (TARGET_SWITCHES): Document switches.
3519 (TARGET_OPTIONS): Likewise.
3521 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
3523 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
3525 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
3527 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3529 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
3530 (basic_block_end): Rename to x_basic_block_end.
3531 (BLOCK_HEAD, BLOCK_END): Update.
3533 * caller-save.c: Change basic_block_head/end references to
3535 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
3536 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
3537 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
3539 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3541 * gcc.c (xstrerror): Renamed from my_strerror. All callers
3542 changed. Remove prototype since we get that from libiberty.h.
3544 * protoize.c (xstrerror): Likewise.
3546 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3548 * gcc.c (read_specs): Ensure format specifiers match their arguments.
3550 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
3552 * tree.c (copy_node): Oops. That would be copy not zero
3553 in that last change.
3555 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3557 * config/c4x/c4x.c: Include system.h.
3558 (c4x_caller_save_map): Disable caller save for RC.
3559 (c4x_optimization_options): Disable scheduling before reload.
3560 (valid_parallel_load_store) : Define return type as int.
3561 Remove unused variable regs.
3562 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3564 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3566 (*db, decrement_and_branch_until_zero): Fix up constraints
3567 to keep reload happy.
3569 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3571 * tree.c (make_node): Call bzero instead of inline clear.
3572 (copy_node, make_tree_vec, build1): Likewise.
3573 (get_identifier): Call strlen instead of inline count.
3574 (maybe_get_identifier): Likewise.
3576 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3578 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3579 operations in 3rd annulled delay slot.
3580 (*lshrqi3_const_set): Disallow c constraint for operand0.
3581 (modhi3+1, modhi3+2): Set attribute type to multi.
3582 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3585 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3587 * gansidecl.h: Allow attribute unused on labels only when we are
3588 version 2.93 or higher. Not all versions of 2.92 have this feature.
3590 * version.c: Bump minor number to 93.
3592 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3594 * config/m68k/m68k.h: Declare output_function_epilogue.
3595 * recog.h: Declare next_insn_tests_no_inequality.
3597 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3599 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3600 (expand_return): Use optimize_tail_recursion.
3601 * tree.h (optimize_tail_recursion): Declare.
3603 * toplev.c (compile_file): Move call to output_func_start_profiler
3604 to after the loop to emit deferred functions.
3606 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3608 * system.h (abort): Supply more detailed information on how to
3609 report an Internal Compiler Error.
3611 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
3613 * fixinc/fixincl.c (*): more decapitalization of variables
3614 plus some explanitory comments
3616 * fixinc/Makefile.in fixinc/mkfixinc.sh:
3617 When the fixincl program does not work for a certain system,
3618 we substitute a shell script. Added user commentary when
3621 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
3623 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
3624 allocate memory that will live beyond this function.
3625 (expand_call): Free it here.
3627 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
3629 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
3630 integer data not destined for fp regs.
3631 (LEGITIMIZE_RELOAD_ADDRESS): New.
3633 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
3634 Richard Henderson <rth@cygnus.com>
3636 Support for Hypersparc and Sparclite86x:
3637 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
3638 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
3639 (ASM_CPU32_DEFAULT_SPEC): Likewise.
3640 (TARGET_CPU_DEFAULT): Likewise.
3641 (enum processor_type): Likewise.
3642 (CPP_ENDIAN_SPEC): Handle little endian data.
3643 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
3644 (ADJUST_COST): Call sparc_adjust_cost.
3645 * sparc.c (sparc_override_options): Fix up for the new targets.
3646 (supersparc_adjust_cost): Make static.
3647 (hypersparc_adjust_cost): New.
3648 (ultrasparc_adjust_cost): Make static.
3649 (sparc_adjust_cost): New.
3650 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
3651 (function_unit): Add hypersparc scheduling rules.
3653 * configure.in (with_cpu handler): Recognize hypersparc.
3655 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3657 * config/c4x/c4x.c: Added space after negation operator.
3658 * config/c4x/c4x.h: Likewise.
3659 * config/c4x/c4x.md: Likewise.
3661 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3663 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
3665 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3667 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
3668 when a test can't be performed due to limited width of
3669 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
3670 Fix UDIV case for cases where the first operand has the highest bit
3673 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
3675 * pa.h (reg_class): Add FPUPPER_REGS.
3676 (REG_CLASS_NAMES): Similarly.
3677 (REG_CLASS_CONTENTS): Similarly
3678 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
3679 (FP_REG_CLASS_P): Likewise.
3680 (REG_CLASS_FROM_LETTER): Similarly.
3681 (CLASS_MAX_NREGS): Similarly.
3683 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
3685 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
3686 for a typedef of bool. Make sure to have a copy of the file is
3687 in place before we look to fix it. Fix typo in variable name to
3690 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
3692 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
3693 value_mode for the return mode.
3695 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
3697 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
3698 debugging as default.
3700 * config/tm-dwarf2.h: New file.
3702 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
3704 * h8300.h (ASM_OUTPUT_LABELREF): Define.
3706 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
3707 * local-alloc.c (update_equiv_regs): Corresponding changes.
3708 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
3710 * calls.c (special_function_p): Push alloca test inside the large
3711 conditional which excludes functions not at file scope or not
3714 * calls.c (special_function_p): New function broken out of
3716 (precompute_register_parameters): Likewise.
3717 (store_one_arg): Likewise.
3718 (store_unaligned_argumetns_into_pseudos): Likewise.
3719 (save_fixed_argument_area): Likewise.
3720 (restore_fixed_argument_area): Likewise.
3721 (expand_call): Corresponding changes.
3723 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3725 * config/c4x/c4x.md (addqi3): If the destination operand is
3726 a hard register other than an extended precision register,
3727 emit addqi3_noclobber.
3728 (*addqi3_noclobber_reload): New pattern added so that reload
3729 will recognise a store of a pseudo, equivalent to the sum
3730 of the frame pointer and a constant, as an add insn.
3732 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
3734 * fixinc/fixincl.c: Re-indent according to the GNU standards.
3735 fixinc/server.c: Likewise.
3736 fixinc/server.h: Likewise.
3738 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3740 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
3742 (const_sint32_operand): Likewise.
3744 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3746 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
3747 is a macro when deciding if we can use `jmp_buf' in prototypes.
3749 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
3751 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
3752 * configure: Rebuilt.
3753 * i386/xm-go32.h: Define LIBSTDCXX.
3755 * i386/go32.h (MD_EXEC_PREFIX): Define.
3756 (FILE_NAME_ABSOLUTE_P): Define.
3757 (LINK_COMMAND_SPEC): Define.
3759 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
3761 * expr.c (store_expr): If the lhs is a memory location pointed
3762 to be a postincremented (or postdecremented) pointer, always
3763 force the rhs to be evaluated into a pseudo.
3765 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
3767 * real.c (mtherr): Print more reasonable warning messages.
3769 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3771 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
3773 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
3774 (new_include_prefix): Constify char* parameters.
3776 * cppfiles.c (read_name_map): Likewise.
3777 (append_include_chain): Likewise. Also, use a writable char* copy
3778 of parameter `dir' which we then modify, rather than using the
3779 parameter itself to store the new writable string.
3780 (remap_filename): Constify some variables. Also, use a writable
3781 char* to store an allocated string which we will be modifying.
3783 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
3784 (cpp_start_read): Constify variable `str'.
3786 * cpplib.h (append_include_chain): Constify a char* parameter.
3788 * gcc.c Include prefix.h, don't prototype prefix.c functions.
3789 (add_prefix, save_string): Constify char* parameters.
3790 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
3792 * prefix.c: Include prefix.h.
3793 (get_key_value, translate_name, save_string, update_path,
3794 set_std_prefix): Constify various char* parameters and variables.
3795 (save_string): Use xmalloc, not malloc.
3796 (translate_name): Use a writable temporary variable to create and
3797 modify a string before setting it to a const char*.
3799 * prefix.h: New file to prototype functions exported from prefix.c.
3801 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
3803 * fixinc/fixincl.c (various): added debug code so
3804 Manfred can trace the processing.
3806 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
3807 struct utsname on Ultrix V4.[35].
3809 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
3811 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
3813 * cpplib.c (skip_if_group): Split out the logic that handles
3814 directive recognition to its own function. Don't use
3815 parse markers; use a bare pointer into the buffer. Use
3816 copy/skip_rest_of_line instead of doing it by hand. Remove
3817 `return on any directive' mode which was never used, and take
3819 (consider_directive_while_skipping): New function, subroutine
3820 of skip_if_group. Logic streamlined a bit.
3821 (conditional_skip, do_elif, do_else): Call skip_if_group with
3824 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
3826 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
3829 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
3831 * extend.texi (Bound member functions): Document.
3833 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3835 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
3836 lang_to_string, type_to_string): Make return type const char*.
3837 (print_symbol): Apply `const' keyword to a char*.
3838 (print_file_desc): Cast structure member `crfd' to ulong when
3839 comparing against one.
3841 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
3842 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
3843 (progname, input_name): Apply `const' keyword to a char*.
3844 Don't redundantly include sys/stat.h.
3845 (alloc_info): Apply `const' keyword to a char*.
3846 (st_to_string, sc_to_string): Likewise.
3847 (hash_string): Cast variable `hash_string' to a symint_t when
3848 comparing against one.
3849 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
3850 Likewise cast it to long when comparing against one.
3851 (add_local_symbol): Apply `const' keyword to a char*.
3852 (add_ext_symbol): Likewise.
3853 (add_unknown_tag): Likewise.
3854 (add_procedure): Cast a printf-style field width to an int.
3855 (add_file): Cast PAGE_USIZE to long when comparing against one
3856 (parse_begin): Cast a printf-style field width to an int.
3857 (parse_bend): Likewise.
3858 (parse_def): Likewise.
3859 (parse_end): Likewise.
3860 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
3861 (parse_stabs_common): Fix format specifier.
3862 (parse_input): Change type of variable `i' to Size_t.
3863 (write_object): Fix arguments to match format specifiers.
3864 Cast variable `num_write' to long when comparing against one.
3865 (read_seek): Cast variable `sys_read' to symint_t when comparing
3866 against one. Fix arguments to match format specifiers. Cast
3867 variable `size' to long when comparing against one.
3868 (copy_object): Cast result of `sizeof' to int when comparing
3869 against one. Fix arguments to match format specifiers. Cast
3870 variable `ifd' to long when comparing against a signed value.
3873 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3875 * c-common.c (decl_attributes): Allow applying attribute `unused'
3878 * c-parse.in (label): Parse attributes after a label, and call
3879 `decl_attributes' to handle them.
3881 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
3883 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
3884 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
3886 * invoke.texi: Note that labels can be marked `unused'.
3888 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
3890 * version.c: Bump for snapshot.
3892 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
3894 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
3895 RTL for a compare/jump sequence.
3897 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3899 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
3900 for a target with HAVE_cc0 defined.
3901 (emit_cmp_and_jump_insns): New function.
3902 * expr.h (emit_cmp_and_jump_insns): Prototype it.
3903 * loop.c (check_dbra_loop): Use it to replace calls
3904 to emit_cmp_insn and emit_jump_insn and to canonicalise
3905 the comparison if necessary.
3906 * unroll.c (unroll_loop): Likewise.
3908 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3910 * fixincludes (sys/utsname.h): Provide forward declaration of
3911 struct utsname on Ultrix V4.[35].
3913 * mips.md (div_trap): Use local labels instead of dot-relative
3916 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
3918 * pa.md (branch, negated branch): Handle (const_int 0) as first
3920 * pa.c (output_cbranch): Likewise.
3922 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
3924 * rs6000.c (rs6000_stack_info): Undo spurious part of last
3927 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
3929 * extend.texi (__builtin_constant_p): Add missing @smallexample.
3931 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
3933 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
3935 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
3937 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
3938 (adddi_dishl32): Similarly.
3940 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
3941 for each insn in the skipped block.
3943 * reload1.c (reload_as_needed): Verify that the insn satisfies its
3944 constraints after replacing a register address with an autoincrement
3945 address for reload inheritance purposes.
3947 * i386.md (doubleword shifts): Avoid namespace pollution.
3949 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
3951 * configure.in (FreeBSD ELF): Needs special crt files.
3953 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
3955 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
3957 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3959 * loop.c (check_dbra_loop): While reversing the loop, if the
3960 comparison value has a VOID mode use the mode of the other operand
3961 to compute the mask.
3963 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
3965 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
3966 avoid warnings in compiling explow.c.
3968 (patch from Ken Raeburn, raeburn@cygnus.com)
3969 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
3970 fpmem_offset. Compute total size after that, and then
3971 rs6000_fpmem_offset using both values.
3973 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3975 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
3976 the future; indeed that already happens in some cases.
3978 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
3980 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
3981 (arith_operand): Remove constant_p_rtx handling.
3982 (const64_operand, const64_high_operand): Likewise.
3983 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
3984 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
3985 (small_int_or_double, uns_small_int, zero_operand): Likewise.
3986 * sparc.h (PREDICATE_CODES): Likewise.
3988 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
3990 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
3992 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
3993 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
3994 consider constant CONSTRUCTOR constant and to defer some cases
3996 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
3997 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
3999 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
4001 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
4002 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
4004 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
4005 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
4006 (sext_add_operand, and_operand, or_operand): Likewise.
4007 (reg_or_cint_operand, some_operand, input_operand): Likewise.
4008 * alpha.h (PREDICATE_CODES): Likewise.
4010 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
4012 * version.c: Bump for snapshot.
4014 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
4016 * gengenrtl.c (gencode): Always use bzero to clear memory instead
4017 of dangerous casts and stores.
4019 * Makefile.in (compare, gnucompare): Add missing else true clauses.
4021 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
4023 * alpha.md (builtin_longjmp): Add missing "DONE".
4025 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
4027 * gcc.c (execute): Enable -pipe with win32.
4029 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
4031 * config/arm/t-arm-elf: Add multiplib option for leading
4034 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
4035 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
4037 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
4038 than variable 'reload_address_base_reg_class'. [Note this
4039 change is unrelated to the others in this patch].
4041 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
4044 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4046 * alias.c (record_alias_subset): Remove ignored `&'.
4047 (init_alias_once): Likewise.
4049 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4051 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4052 fwrite to `int' when comparing against one.
4054 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4055 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4057 * cse.c (rehash_using_reg): Change type of variable `i' to
4060 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4061 assigning it to one.
4063 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4065 * final.c (final_scan_insn): Likewise for variable `i'.
4066 (output_asm_insn): Cast a char to unsigned char when used as an
4069 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4070 assigning it to one.
4072 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4074 * recog.c (preprocess_constraints): Cast a char to unsigned char
4075 when used as an array index.
4077 * regmove.c (find_matches): Likewise.
4079 * reload1.c (calculate_needs): Add default case in switch.
4080 (eliminate_regs_in_insn): Initialize variable `offset'.
4081 (set_offsets_for_label): Change type of variable `i' to unsigned.
4082 (reload_as_needed): Wrap variable `i' in macro check on
4083 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4085 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4086 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4087 when comparing against one.
4089 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4090 unsigned when comparing against one. Likewise for
4091 GET_MODE_ALIGNMENT().
4092 (layout_record): Cast record_align to int when comparing against a
4094 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4097 * tree.c (get_identifier): Cast variable `len' to unsigned when
4098 comparing against one.
4099 (maybe_get_identifier): Likewise
4101 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4103 * toplev.c (rest_of_compilation): Do not set reload_completed.
4104 * reload1.c (reload): Set reload_completed before calling
4105 cleanup_subreg_operands.
4107 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4109 * reload1.c (emit_reload_insns): Check `set' not null before use.
4111 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4113 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4116 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4118 * halfpic.c (half_pic_encode): Delete redundant code.
4120 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4122 * toplev.c (main): Delete handling of -dM as a preprocessor
4125 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4127 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4128 -dI, which are handled by the preprocessor.
4130 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4132 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4133 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4135 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4137 * version.c: Bump for snapshot.
4139 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4141 * version.c: Bump for snapshot.
4143 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4145 * version.c: Bump for snapshot.
4147 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4149 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4151 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4152 write_unit_name, write_eligible_delay, expand_units,
4153 make_length_attrs, write_attr_case, find_attr,
4154 make_internal_attr): Likewise.
4155 * gencheck.c (tree_codes): Likewise.
4156 * gencodes.c (fatal): Likewise.
4157 * genconfig.c (fatal): Likewise.
4158 * genemit.c (fatal): Likewise.
4159 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4160 * genflags.c (fatal): Likewise.
4161 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4162 * genoutput.c (fatal, error, predicates): Likewise.
4163 * genpeep.c (fatal): Likewise.
4164 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4165 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4167 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4169 * configure.in (with-fast-fixincludes): Fix whitespace.
4170 * configure: Rebuilt.
4172 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4173 asm() etc. function declarations in __DECC.
4175 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4177 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4178 is a pseudo register.
4180 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4182 * gcse.c: Include expr.h in order to get the prototype for
4183 get_condition() which is used in delete_null_pointer_checks().
4185 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4187 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4189 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4191 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4192 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4194 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4196 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4199 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4201 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4202 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4203 optimizations from the combiner.
4205 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4207 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4209 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4211 * toplev.c (main): Disable optimize_size if a specific
4212 optimization level is requested. Always set optimization
4213 level to 2 if -Os is specified.
4215 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4217 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4219 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4220 initialize it using fname.
4222 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4224 * cpplib.c (do_include): Treat #include_next in the
4225 primary source file as #include plus warning. Treat
4226 #include_next in a file included by absolute path as an
4227 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4229 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4231 * cccp.c: Don't define MIN/MAX anymore.
4232 * cpplib.c: Likewise.
4233 * machmode.h: Likewise.
4234 * system.h: Provide definitions for MIN/MAX.
4236 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4238 * fix-header.c: Don't define xstrdup here.
4240 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4242 * loop.c (consec_sets_giv): New argument last_consec_insn.
4243 (strength_reduce): Provide / use it.
4245 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4247 * loop.h (loop_info): New field 'vtop'.
4248 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4249 scanning loop for vtop.
4250 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4251 (loop_iterations): Use them to determine if loop has a constant
4252 number of iterations. Set loop_info->vtop. Don't subtract
4253 common reg term from initial_value and final_value if have a
4256 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4258 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4260 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4262 * mn10200.md (abssf2, negsf2): New expanders.
4264 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4266 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4268 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4269 replaced by a CONCAT whoes components do not have the same
4270 mode as the original SUBREG, use a new SUBREG to restore the
4273 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4274 multiword complex values.
4276 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4278 * cppalloc.c: Add xstrdup here.
4279 * cpplib.h: Remove savestring prototype.
4280 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4282 * cppfiles.c: s/savestring/xstrdup/ throughout.
4284 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4286 * cpplib.c: Make all directive handlers read their own
4288 (struct directive): Remove last two arguments from FUNC
4289 member prototype. Remove `command_reads_line' member
4291 (directive_table): Remove initializations of
4292 command_reads_line flag. Pretty-print.
4293 (eval_if_expression, do_define, do_line, do_include,
4294 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4295 do_else, do_elif, do_sccs, do_assert, do_unassert,
4296 do_warning): Take only two args.
4298 (cpp_define): Call do_define with two args and the text to
4299 define stuffed into a buffer.
4300 (make_assertion): Call do_assert with two args.
4301 (handle_directive): Call do_line with two args. Call
4302 kt->func with two args. Remove command_reads_line
4304 (do_define, do_undef, do_error, do_warning, do_pragma,
4305 do_sccs): Read the rest of the line here.
4306 (do_ident): Gobble rest of line, as cccp does.
4307 (cpp_undef): New function.
4308 (cpp_start_read): Call cpp_undef instead of do_undef.
4310 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4312 * cpphash.h (union hash_value): Remove `keydef' member, add a
4313 `struct hashnode *aschain' member for #assert.
4315 * cpplib.c (struct tokenlist_list, struct
4316 assertion_hashnode): Delete structure definitions.
4317 (assertion_install, assertion_lookup, delete_assertion,
4318 check_assertion, compare_token_lists, reverse_token_list,
4319 read_token_list, free_token_list): Delete functions.
4320 (parse_assertion): New function.
4321 (cpp_cleanup): Don't destroy the assertion_hashtable.
4323 (do_assert): Gut and rewrite. #assert foo (bar) places
4324 entries for `#foo' and `#foo(bar)' in the macro hash table,
4325 type T_ASSERT. The value union's `aschain' member is used
4326 to chain all answers for a given predicate together.
4327 (do_unassert): Also rewritten. Take an un-asserted
4328 answer off the chain from its predicate and call
4329 delete_macro on the hashnode, or walk a predicate chain
4330 calling delete_macro on all the entries.
4331 (cpp_read_check_assertion): Simply call parse_assertion to
4332 get the canonical assertion name, and look that up in the
4335 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4338 * cpphash.c (install): Use bcopy instead of an explicit loop
4339 to copy the macro name.
4341 * cppexp.c (cpp_lex): Convert the result of
4342 cpp_read_check_assertion to a `struct operation' directly;
4343 don't go through parse_number.
4345 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4347 * loop.h (struct induction): Delete times_used member.
4348 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4349 (n_times_used): Rename to n_times_set. Changed all users.
4350 (scan_loop): Free reg_single_usage before strength reduction.
4351 (record_giv, combine_givs): Remove handling of times_used member.
4352 (combine_givs_used_once): Rename to:
4353 (combine_givs_used_by_other) . Changed all callers.
4355 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4357 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4358 instead of TREE_CODE_CLASS == 't'.
4359 (gen_type_die): Likewise.
4360 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4362 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4364 * real.c (endian): Disable last change unless
4365 HOST_BITS_PER_WIDE_INT is greater than 32.
4367 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4369 * output.h (force_data_section): New prototype.
4370 * varasm.c (force_data_section): New function to force the
4371 data section, regardless of what in_section thinks.
4372 * dwarf2out.c (output_call_frame_info): Call force_data_section
4373 since varasm may not realize we've changes sections.
4375 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4377 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4378 after completeing reload.
4380 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4381 deleted after reload.
4383 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4385 * rtl.h (multiple_sets): Fix prototype.
4386 * rtlanal.c (multiple_sets): Fix return type.
4388 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4390 * version.c: Bump for snapshot.
4392 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4394 * version.c: Bump for snapshot.
4396 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4398 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4400 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4402 * rtl.h (recompute_reg_usage): Add second argument.
4403 * flow.c (recompute_reg_usage): Likewise.
4404 * toplev.c (rest_of_compilation): Supply second argument to
4405 recompute_reg_usage.
4407 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4410 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4412 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4413 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4414 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4417 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4419 * rtlanal.c (multiple_sets): New function.
4420 * rtl.h (multiple_sets): Declare it.
4421 * local-alloc.c (wipe_dead_reg): Use it.
4422 * global.c (global_conflicts): Likewise.
4424 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4426 * global.c (record_conflicts): Don't use an array of shorts to
4427 store an array of ints.
4428 (global_conflicts): Likewise.
4430 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4432 * alpha.c (alpha_expand_block_move): mode_for_size expects
4433 bits, not bytes. Infer extra alignment from addressof.
4435 1998-12-11 Michael Meissner <meissner@cygnus.com>
4437 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4438 .sbss section, not .sdata.
4440 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4442 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4444 * collect2.c: Likewise.
4445 * cpplib.h: Likewise.
4448 * getpwd.c: Likewise.
4449 * protoize.c: Likewise.
4450 * toplev.c: Likewise.
4452 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4453 and don't try to define it here.
4454 * Makefile.in (cppmain.o): Depend on machmode.h.
4455 (cpplib.o): Likewise.
4456 (cpperror.o): Likewise.
4457 (cppexp.o): Likewise.
4458 (cppfiles.o): Likewise.
4459 (cpphash.o): Likewise.
4460 (cppalloc.o): Likewise.
4461 (fix-header.o): Likewise.
4462 (scan-decls.o): Likewise.
4464 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4466 * sh.c (print_operand): lookup interrupt_handler attribute instead
4467 of relying on static variable.
4468 * (calc_live_regs): Likewise.
4469 * (sh_pragma_insert_attributes): Create interrupt_handler
4470 attribute if a pragma was specified
4471 * (sh_valid_machine_decl_attribute): Don't set static flag.
4472 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4474 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4476 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4477 to determine if a register is live at a jump destination.
4478 Everything is dead at a BARRIER.
4480 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4482 * cse.c (simplify_unary_operation): Sign-extend constants when
4483 they have the most significant bit set for the target.
4484 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4486 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4487 HOST_WIDE_INT temporary before negating it.
4488 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4490 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4492 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4495 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4497 * collect2.h: New header file for prototypes.
4499 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
4501 * collect2.c: Include collect2.h.
4502 * tlink.c: Likewise.
4504 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
4506 * flow.c: Update some comments.
4508 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
4510 * objc/objc-act.c (cpp_initialized): Removed.
4511 (lang_init_options): Initialize cpplib.
4512 (lang_decode_option): Move initialization of cpplib to
4514 * c-lang.c: (parse_options,parse_in): Added.
4515 (lang_init_options): Initialized cpplib here.
4516 * c-decl.c (parse_options,cpp_initialized): Removed.
4517 (c_decode_option): Move initialization of cpplib to
4520 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4522 * reload1.c (reload_combine, reload_combine_note_store):
4523 Make STORE_RUID always valid.
4524 (reload_combine): Check if BASE is clobbered too early.
4526 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
4528 * reload.c (find_reloads): Display the insn that cannot be
4531 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
4533 * cccp.c (create_definition): Fix end of bufer logic.
4535 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4537 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
4538 pointer parameters changed to use the PARAMS() macro.
4540 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4542 * except.h (struct handler_info): Add handler_number field.
4543 * except.c (gen_exception_label): EH labels no longer need to be
4544 on the permanent obstack.
4545 (get_new_handler): Set the label number field.
4546 (output_exception_table_entry): Regenerate handler label reference
4547 from the label number field.
4548 (init_eh): Remove a blank line.
4549 * integrate.c (get_label_from_map): Labels no longer need to be
4550 on the permanent obstack.
4552 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
4554 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
4555 only when OUTER_CODE is SET.
4557 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4559 * loop.c (strength_reduce): If scan_start points to the loop exit
4560 test, be wary of subversive use of gotos inside expression statements.
4561 Don't set maybe_multiple for a backward jump that does not
4562 include the label under consideration into its range.
4563 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
4565 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4567 * explow.c (plus_constant_wide): Don't immediately return with
4568 result of recursive call.
4570 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4572 * eh-common.h (struct eh_context): Add table_index for rethrows.
4574 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
4575 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
4576 processed when inlined or unrolled (ie duplicated in some way).
4578 * rtl.c (reg_note_name): Add strings for new reg_note enums.
4580 * expr.h (rethrow_libfunc): New library decl.
4582 * optabs.c (rethrow_libfunc): Initialize.
4584 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4585 (new_eh_region_entry): No longer exported from except.c.
4586 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4587 different prototype.
4588 (rethrow_symbol_map, rethrow_used): New exported functions.
4589 (eh_region_from_symbol): New exported function.
4591 * except.c (create_rethrow_ref): New function to create a single
4592 SYMBOL_REF for a rethrow region.
4593 (push_eh_entry): Initialize a rethrow ref.
4594 (func_eh_entry): Add a rethrow_label field.
4595 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4596 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4597 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4598 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4599 a region into an appropriate new symbol.
4600 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4601 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4602 (end_catch_handler): Emit a barrier for new-exceptions since
4603 control can never drop through the end of a catch block.
4604 (expand_end_all_catch): new-exceptions never fall through a catch
4606 (expand_rethrow): use __rethrow routine for new exceptions.
4607 (output_exception_table_entry): Generate rethrow labels, if needed.
4608 (output_exception_table): Generate start and end rethrow labels.
4609 (init_eh): Create rethrow symbols for beginning and end of table.
4610 (scan_region): Don't eliminate EH regions which are the targets of
4613 * flow.c (make_edges): Add different edges for rethrow calls,
4614 identified by having the REG_EH_RETHROW reg label.
4615 (delete_unreachable_blocks): Don't delete regions markers which are
4616 the target of a rethrow.
4618 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
4619 allow save_for_inline_copying to call duplicate_eh_handlers.
4620 (save_for_inline_copying): Call duplicate_eh_handlers instead of
4621 exposing internal details of exception regions.
4622 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
4623 (expand_inline_function_eh_labelmap): New callback routine to
4624 allow expand_inline_function to call duplicate_eh_handlers.
4625 (expand_inline_function): Call duplicate_eh_handlers instead of
4626 exposing internal details of exception regions.
4627 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
4630 * libgcc2.c (find_exception_handler): Generalize to enable it to
4631 pick up processing where it left off last time for a rethrow.
4632 (__unwinding_cleanup): New function. debug hook which is called before
4633 unwinding when __throw finds there is nothing but cleanups left.
4634 (throw_helper): Common parts of __throw extracted out for reuse.
4635 (__throw): Common parts moved to throw_helper.
4636 (__rethrow): New function for performing rethrows.
4638 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
4640 * reload1.c (current_function_decl): Tweak declaration.
4642 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
4644 * c-decl.c (flag_isoc9x): Default off.
4645 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
4646 * cccp.c (print_help, main): Likewise.
4647 * gcc.c (default_compilers): Update for -std=gnu*.
4649 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
4651 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
4652 * demangle.h: Deleted.
4654 * reload1.c (current_function_decl): Declare.
4656 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4658 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
4660 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4662 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
4664 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
4666 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
4668 * configure: Rebuilt.
4669 * system.h: If the *_unlocked functions are available use them
4670 instead of the locked counterparts by defining macros.
4671 * config.in: Regenerated.
4673 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
4675 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
4676 wrong and should only be used for dump related things, not
4677 debugging information, instead main_input_filename should be used.
4678 Also, reuse output_file_directive if possible.
4679 * i386/aix386ng.h (ASM_FILE_START): Likewise.
4680 * i386/isc.h (ASM_FILE_START): Likewise.
4681 * i386/win-nt.h (ASM_FILE_START): Likewise.
4682 * i386/sun386.h (ASM_FILE_START): Likewise.
4684 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
4686 * configure.in (mips*-*-linux*): Handle big and little endian
4688 * configure: Rebuilt.
4690 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
4692 * emit-rtl.c: Fix typo.
4694 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
4696 * reload1.c (eliminate_regs): Don't do anything, if we're not
4699 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
4701 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
4703 * mips/mips.c (mips_select_section): Add comment.
4705 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
4707 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
4708 characters in file names in #line to be consistent with #include
4709 handling. We support escape prcessing in the # 1 "..." version of
4710 the command. See also support in cp/lex.c.
4711 (handle_directive): Likewise.
4712 (do_line): Likewise.
4714 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4716 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
4717 so it'll work on non-ASCII platforms. Always consider $ an
4718 identifier character. Take no arguments.
4719 (cpp_reader_init): Call initialize_char_syntax with no
4721 (cpp_start_read): Don't call initialize_char_syntax again.
4722 Clear is_idchar['$'] and is_idstart['$'] if not
4723 opts->dollars_in_ident.
4725 * cpplib.h (struct cpp_reader): Replace void *data element by
4726 cpp_options *opts. Rearrange elements to make gdb printout
4727 less annoying (put buffer stack at end).
4728 (CPP_OPTIONS): Get rid of now-unnecessary cast.
4730 * cppmain.c: s/data/opts/ when initializing cpp_reader
4732 * c-decl.c: Likewise.
4733 * objc/objc-act.c: Likewise.
4734 * fix-header.c: Likewise.
4736 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4738 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
4739 with a struct file_name_list pointer.
4740 (struct cpp_reader): Add pointer to chain of `actual
4741 directory' include searchpath entries.
4742 (struct file_name_list): Add *alloc pointer for the sake of
4743 the actual-directory chain.
4745 Move definition of HOST_WIDE_INT here.
4746 (cpp_parse_escape): Change prototype to match changes in
4749 * cppfiles.c (actual_directory): New function.
4750 (finclude): Use it to initialize the buffer's actual_dir
4752 (find_include_file): We don't need to fix up max_include_len
4755 * cpplib.c (do_include): Don't allocate a file_name_list on
4756 the fly for current directory "" includes, use the one that's
4757 been preallocated in pfile->buffer->actual_dir. Hoist out
4758 duplicate code from the search_start selection logic.
4759 (cpp_reader_init): Initialize pfile->actual_dirs.
4761 Remove definition of HOST_WIDE_INT. Change calls
4762 to cpp_parse_escape to match changes in cppexp.c (note
4763 hardcoded MASK, which is safe since this is the source
4766 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
4767 to handle wide character constants in #if directives. The
4768 function now returns a HOST_WIDE_INT, and takes a third
4769 argument which is a binary mask for all legal values (0x00ff
4770 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
4771 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
4772 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
4774 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
4776 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
4778 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4780 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
4781 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
4782 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
4784 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
4786 * final.c (output_asm_name): Use tabs to seperate comments from
4789 Include instruction lengths (if defined) in output.
4791 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4793 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
4794 in the loop_info structure.
4796 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
4798 * configure.in: (arm*-*-ecos-elf): New target.
4799 * configure: Regenerated.
4800 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
4801 * config/arm/ecos-elf.h: New file.
4802 * config/arm/unknown-elf.h (TARGET_VERSION): Check
4805 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4807 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
4809 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
4811 * version.c: Bump for snapshot.
4813 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4815 * loop.c (check_dbra_loop): New argument loop_info. Update fields
4818 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
4820 * version.c: Bump for snapshot.
4822 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4824 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
4825 compressed reports are ok and preferred over URLs
4827 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4829 * invoke.texi (Warning Options): Soften the tone of -pedantic
4831 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
4833 * print-rtl.c (print_rtx): Add prototype.
4835 * unroll.c (iteration_info): Make it static.
4837 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
4839 * alias.c (memrefs_conflict_p): A second ANDed address
4840 disables the aligned address optimization.
4842 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
4844 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
4847 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4849 * i960.h (BOOL_TYPE_SIZE): Define.
4851 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4853 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
4854 from old valid_parallel_operands_4.
4855 (valid_parallel_operands_4): Check that operands for 4 operand
4856 parallel insns are valid, excluding load/store insns.
4857 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
4858 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
4859 valid_parallel_load_store instead of valid_parallel_operands_4.
4860 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
4861 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
4862 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
4863 *notqi_movqi_clobber): Use valid_parallel_operands_4.
4864 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
4865 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
4866 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
4868 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4870 * config/c4x/c4x.c (iteration_info): Delete extern.
4872 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4874 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
4876 * final.c (cleanup_subreg_operands): Delete some unused code.
4878 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
4879 (struct insn_alternative): New structure definition.
4880 (recog_op_alt): Declare variable.
4881 (preprocess_constraints): Declare function.
4882 * recog.c (recog_op_alt): New variable.
4883 (extract_insn): Verify number of alternatives is in range.
4884 (preprocess_constraints): New function.
4885 * reg-stack.c: Include recog.h.
4886 (constrain_asm_operands): Delete.
4887 (get_asm_operand_lengths): Delete.
4888 (get_asm_operand_n_inputs): New function.
4889 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
4890 N_OUTPUTS args. All callers changed.
4891 Compute number of inputs and outputs here by calling
4892 get_asm_operand_n_inputs.
4893 Instead of constrain_asm_operands, call extract_insn,
4894 constrain_operands and preprocess_constaints. Use information
4895 computed by these functions throughout.
4896 (record_reg_life): Delete code that is unused due to changes in
4897 record_asm_reg_life.
4898 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
4899 N_INPUTS and N_OUTPUTS args. All callers changed.
4900 Similar changes as in record_asm_reg_life.
4901 (subst_stack_regs): Move n_operands declaration into the if statement
4903 Delete code that is unused due to changes in subst_asm_stack_regs.
4904 * stmt.c (expand_asm_operands): Verify number of alternatives is in
4906 * Makefile.in (reg-stack.o): Depend on recog.h.
4908 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
4910 * except.c (set_exception_version_code): Argument is an "int".
4912 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
4914 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
4915 * configure: Rebuilt.
4917 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
4919 * configure.in (mipsel-*-linux*): New target.
4920 * mips/linux.h: New file, based on other Linux targets.
4922 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
4924 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
4925 runs in the context of the deleter, not the deletee, so we must
4926 use taskVarGet to find the correct memory to free.
4927 (__gthread_key_create): Initialize the task
4928 variable subsystem so that the task variable is still active when
4929 the delete hook is run.
4931 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
4933 * pdp11.h: Use optimize_size for space optimizations.
4934 * pdp11.c: Likewise.
4935 * pdp11.md: Likewise.
4937 * pdp11.h (TARGET_40_PLUS): Fix typo.
4939 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
4941 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
4944 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4946 * alias.c (addr_side_effect_eval): New function.
4947 (memrefs_conflict_p): Use it.
4948 * rtl.h (addr_side_effect_eval): Prototype it.
4950 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
4952 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
4954 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
4956 * reload.c (find_reloads): When force const to memory, put result
4957 in substed_operand not *recog_operand_loc.
4959 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
4961 * c-lex.c: Fix indentation from last patch.
4962 Remove trailing whitespace.
4965 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
4967 * flow.c (delete_block): Call set_last_insn after we have reset
4968 NEXT_INSN (kept_tail).
4970 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
4972 * mips.md (trap_if): Use "$0" for the value zero.
4974 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
4975 Stephen L Moshier <moshier@world.std.com>
4976 Richard Henderson <rth@cygnus.com>
4978 * c-common.c (declare_function_name): Declare predefinied variable
4981 * c-decl.c (flag_isoc9x): Set to 1 by default.
4982 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
4983 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
4985 * c-parse.in: Allow constructors in ISO C 9x.
4986 Rewrite designator list handling.
4987 Allow [*] parameters.
4988 Don't warn about comma at end of enum definition for ISO C 9x.
4990 * cccp.c (c9x): New variable.
4991 (rest_extension): New variable.
4992 (print_help): Document new -std= option.
4993 (main): Recognize -std= option. Set c9x appropriately.
4994 (create_definition): Recognize ISO C 9x vararg macros.
4996 * gcc.c (default_compilers): Adjust specs for -std options.
4997 (option_map): Add --std.
4998 (display_help): Document -std.
5000 * toplev.c (documented_lang_options): Add -std and remove
5003 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
5004 or REAL_VALUE_HTOF based on base of the constants.
5005 * fold-const.c (real_hex_to_f): New function. Replacement function
5006 for hex FP conversion if REAL_ARITHMETIC is not defined.
5007 * real.c (asctoeg): Add handling of hex FP constants.
5008 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
5011 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
5013 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
5014 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
5015 expansion. Use hi/lo as destination register.
5017 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
5018 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
5019 Avoid as macro expansion. Use hi/lo as destination register.
5021 * mips.h (MASK_CHECK_RANGE_DIV): New.
5022 (MASK_NO_CHECK_ZERO_DIV): New.
5023 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
5024 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
5025 return address for leaf functions out of r31 to support
5026 builtin_return_address.
5028 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5030 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
5031 NEXT_INSN(x) to check insn x.
5033 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
5035 * flow.c (delete_block): Call set_last_insn if we end up deleting the
5036 last insn in the rtl chain.
5038 * reload1.c (reload): Do not set reload_completed or split insns
5040 * toplev.c (rest_of_compilation): Set reload_completed after
5041 reload returns. Split insns after reload_cse has run.
5043 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
5045 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5047 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5049 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5051 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5053 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5054 use of user-label_prefix.
5056 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5058 * reload1.c (emit_reload_insns): Clear spill_reg_store
5059 when doing a new non-inherited reload from the same pseudo.
5061 * local-alloc.c (function_invariant_p): New function.
5062 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5063 to decide if an equivalence should be recorded.
5064 * reload1.c (num_eliminable_invariants): New static variable.
5065 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5066 to decide if an equivalence should be recorded.
5068 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5069 Take num_eliminable_invariants into account when deciding
5070 if register elimination should be done.
5071 (reload_as_needed): Take num_eliminable_invariants into account
5072 when deciding if register elimination should be done.
5073 (eliminate_regs): Handle non-constant reg_equiv_constant.
5074 * rtl.h (function_invariant_p): Declare.
5076 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5078 * version.c: Bump for snapshot.
5080 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5082 * version.c: Bump for snapshot.
5084 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5086 * except.c (add_new_handler): Complain about additional handlers
5087 after one that catches everything.
5089 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5091 * configure.in (alpha*-*-netbsd): Fix typo.
5092 * configure: Rebuilt.
5094 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5096 * system.h: Include libiberty.h.
5098 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5099 function `concat' from fixed parameters to variable parameters,
5100 as is done in libiberty. All callers of concat/concat3
5101 changed to use the new `concat' with variable args.
5103 * cccp.c: Remove things made redundant by libiberty.h and/or
5104 conform to libiberty standards.
5106 * collect2.c: Likewise.
5107 * config/1750a/1750a.h: Likewise.
5108 * cppalloc.c: Likewise.
5109 * cppexp.c: Likewise.
5110 * cppfiles.c: Likewise.
5111 * cpphash.c: Likewise.
5112 * cpplib.c: Likewise.
5113 * dyn-string.c: Likewise.
5114 * fix-header.c: Likewise.
5117 * genattr.c: Likewise.
5118 * genattrtab.c: Likewise.
5119 * gencheck.c: Likewise.
5120 * gencodes.c: Likewise.
5121 * genconfig.c: Likewise.
5122 * genemit.c: Likewise.
5123 * genextract.c: Likewise.
5124 * genflags.c: Likewise.
5125 * gengenrtl.c: Likewise.
5126 * genopinit.c: Likewise.
5127 * genoutput.c: Likewise.
5128 * genpeep.c: Likewise.
5129 * genrecog.c: Likewise.
5130 * getpwd.c: Likewise.
5131 * halfpic.c: Likewise.
5133 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5134 in NEED_DECLARATION_* macros.
5136 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5137 conform to libiberty standards.
5138 (fatal): Fix const-ification of variable `format' in
5139 !ANSI_PROTOTYPES case.
5141 * prefix.c: Remove things made redundant by libiberty.h and/or
5142 conform to libiberty standards.
5144 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5145 conflicting with function `spaces' from libiberty.
5147 * profile.c: Remove things made redundant by libiberty.h and/or
5148 conform to libiberty standards.
5149 * protoize.c: Likewise.
5152 * tlink.c: Likewise.
5153 * toplev.c: Likewise.
5154 * toplev.h: Likewise.
5157 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5159 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5161 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5163 * README.C4X: Updated URLs.
5164 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5165 (valid_parallel_operands_5): Remove unused variable.
5167 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5169 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5171 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5173 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5174 which can be configured.
5175 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5176 (Makefile): Pass actual LANGUAGES through the environment when
5178 (cstamp-h): Likewise.
5179 (config.status): Likewise.
5181 * configure.in (enable_languages): Add new configuration parameter
5182 "--enable-languages=lang1,lang2,...".
5183 (${srcdir}/*/config-lang.in): Change handling to configure only
5184 those directories, that the user might have enabled; default to
5185 "all" existing languages.
5186 * configure: Regenerate.
5188 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5190 * rtlanal.c (regs_set_between_p): New function.
5191 * rtl.h (regs_set_between_p): Prototype it.
5192 * jump.c (jump_optimize): Use it instead of modified_between_p
5193 in the Sep 2 change.
5195 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5196 Matthias Pfaller <leo@dachau.marco.de>
5198 * invoke.texi (Option Summary, NS32K Options): add description
5199 of NS32K specific options.
5201 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5202 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5203 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5204 negdf2, absdf2): Use l instead of f since the double class and
5205 float class are no longer the same.
5206 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5207 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5208 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5209 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5211 (cmpsi, cmphi, cmpqi): use general_operand instead of
5212 non_immediate_operand. Removes erroneous assumption that can't
5214 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5215 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5217 (movstrsi, movstrsi1, movstrsi2): completely new block move
5219 (...): Patterns to exploit multiply-add instructions.
5220 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5221 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5222 patterns to exploit extended divide insns.
5223 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5226 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5227 float return values as well as simple scalar floats.
5228 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5229 support new flag to denote 32381 fpu.
5230 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5231 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5233 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5234 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5235 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5236 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5237 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5238 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5239 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5240 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5241 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5242 fpu registers and special register classes for new 32381
5243 instructions dotf and polyf.
5244 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5246 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5247 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5249 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5250 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5251 (REGISTER_MOVE_COST): move code to register_move_cost function for
5252 ease of coding and debugging.
5253 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5254 LONG_FLOAT_REGO is likely spilled but not caught by default
5256 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5257 instead of hard coded numbers in range check.
5258 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5259 (...): Add prototypes for functions in ns32k.c but disable because
5260 of problems when ns32k.h is included in machine independant files.
5262 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5263 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5264 hard_regno_mode_ok, secondary_reload_class,
5265 print_operand, print_operand_address): new register scheme to
5266 include 32381 fpu registers and special register classes for new
5267 32381 instructions dotf and polyf.
5268 (gen_indexed_expr): Make static to keep namespace clean.
5269 (check_reg): remove since never called.
5270 (move_tail, expand_block_move): helper functions for "movstrsi"
5272 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5273 Increase cost of moves which go via memory.
5274 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5275 (CPP_PREDEFINES): nolonger predefine "unix".
5277 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5278 Remove erroneous %$. print_operand() can work out from the rtx is
5279 an immediate prefix is required.
5281 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5282 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5283 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5285 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5288 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5289 Correct handling of pic operands.
5290 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5291 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5292 -mrtd calling convention.
5294 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5296 * gcc.c (option_map): Recognize --output-class-directory.
5298 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5300 * loop.h (precondition_loop_p): Added new mode argument.
5301 * unroll.c (precondition_loop_p): Likewise.
5302 (approx_final_value): Function deleted and subsumed
5303 into loop_iterations.
5304 (loop_find_equiv_value): New function.
5305 (loop_iterations): Use loop_find_equiv_value to find increments
5306 too large to be immediate constants. Also use it to find terms
5307 common to initial and final iteration values that can be removed.
5309 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5311 * loop.h (struct loop_info): Define new structure.
5312 (precondition_loop_p): Added prototype.
5313 (unroll_loop): Added new argument loop_info to prototype.
5314 (final_biv_value, final_giv_value): Added new argument n_iterations
5316 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5317 and new pointer loop_info.
5318 (loop_n_iterations): Replace global variable by element in
5319 loop_info structure.
5320 (check_final_value): New argument n_iterations.
5321 (insert_bct): New argument loop_info.
5322 (loop_unroll_factor): Replace global array by element in
5323 loop_info structure.
5324 (loop_optimize): Remove code to allocate and initialise
5325 loop_unroll_factor_array.
5326 * unroll.c (precondition_loop_p): No longer static since
5327 used by branch on count optimization.
5328 (precondition_loop_p, unroll_loop): New argument loop_info.
5329 (final_biv_value, final_giv_value, find_splittable_regs): New
5330 argument n_iterations.
5331 (loop_iteration_var, loop_initial_value, loop_increment,
5332 loop_final_value, loop_comparison_code, loop_unroll_factor):
5333 Replaced global variables by loop_info structure.
5334 (loop_unroll_factor): Replace global array by element in
5335 loop_info structure.
5337 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5339 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5342 * unroll.c (precondition_loop_p): Return loop_initial_value
5343 for initial_value instead of loop_iteration_var.
5345 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5347 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5348 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5349 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5350 to output the instruction sequences.
5352 (rptb_top): Provide alternatives to use any register or memory
5354 (rptb_end): Emit use of operands rather than assigning them
5355 explicitly to the RS and RE registers.
5357 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5359 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5360 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5361 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5362 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5363 c4x_merge_notes, c4x_parallel_process,
5364 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5365 c4x_combine_parallel): Delete.
5367 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5369 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5370 with old target options clear flag_branch_on_count_reg if
5371 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5373 (c4x_output_cbranch): Handle a sequence of insns rather than a
5375 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5376 has not been allocated as the loop counter.
5377 (c4x_address_conflict): Do not allow two volatile memory references.
5378 (valid_parallel_operands_4, valid_parallel_operands_5,
5379 valid_parallel_operands_6): Reject pattern if the register destination
5380 of the first set is used as part of an address in the second set.
5382 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5384 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5385 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5386 is no longer enabled if PARALLEL_MPY_FLAG set.
5387 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5388 (REG_CLASS_CONTENTS): Add braces around initializers.
5389 (HAVE_MULTIPLE_PACK): Define.
5390 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5391 REAL_VALUE_TO_DECIMAL.
5392 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5393 REAL_VALUE_TO_DECIMAL.
5394 (ar0_reg_operand): Add prototype.
5395 (ar0_mem_operand): Likewise.
5396 (ar1_reg_operand): Likewise.
5397 (ar1_mem_operand): Likewise.
5398 (ar2_reg_operand): Likewise.
5399 (ar2_mem_operand): Likewise.
5400 (ar3_reg_operand): Likewise.
5401 (ar3_mem_operand): Likewise.
5402 (ar4_reg_operand): Likewise.
5403 (ar4_mem_operand): Likewise.
5404 (ar5_reg_operand): Likewise.
5405 (ar5_mem_operand): Likewise.
5406 (ar6_reg_operand): Likewise.
5407 (ar6_mem_operand): Likewise.
5408 (ar7_reg_operand): Likewise.
5409 (ar7_mem_operand): Likewise.
5410 (ir0_reg_operand): Likewise.
5411 (ir0_mem_operand): Likewise.
5412 (ir1_reg_operand): Likewise.
5413 (ir1_mem_operand): Likewise.
5414 (group1_reg_operand): Likewise.
5415 (group1_mem_operand): Likewise.
5416 (ir1_reg_operand): Likewise.
5417 (arx_reg_operand): Likewise.
5418 (not_rc_reg): Likewise.
5419 (not_modify_reg): Likewise.
5420 (c4x_group1_reg_operand): Remove prototype.
5421 (c4x_group1_mem_operand): Likewise.
5422 (c4x_arx_reg_operand): Likewise.
5424 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5426 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5427 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5429 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5431 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5434 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5436 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5437 unless FMOVD_WORKS is defined.
5439 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5441 * regclass.c (init_reg_sets): Move code that calculates tables
5442 dependent on reg_class_contents from here...
5443 (init_reg_sets_1): To here.
5445 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5447 * cpplib.h: Delete struct import_file. Add ihash element to
5448 struct cpp_buffer. Delete dont_repeat_files and
5449 import_hash_table elements from cpp_reader; change
5450 all_include_files to a hash table. Delete all foobar_include
5451 / last_foobar_include elements from struct cpp_options; put
5452 back four such: quote_include, bracket_include,
5453 system_include, after_include. Redo struct file_name_list
5454 completely. Add new structure type include_hash. Add
5455 prototypes for merge_include_chains and include_hash. Change
5456 prototypes for finclude, find_include_file, and
5457 append_include_chain to match changes below.
5459 * cppfiles.c (simplify_pathname, include_hash,
5460 remap_filename, merge_include_chains): New functions.
5461 (add_import, lookup_import, open_include_file): Removed.
5462 (INO_T_EQ): Define this (copied from cccp.c).
5463 (hack_vms_include_specification): Remove all calls and #if 0
5464 out the definition. It was being called incorrectly and at
5465 the wrong times. Until a VMSie can look at this, it's better
5466 to not pretend to support it.
5467 (append_include_chain): Change calling convention; now takes
5468 only one directory at a time, and sets up the data structure
5470 (redundant_include_p): Rewritten - this is now used for all
5471 include redundancy, whether by #ifndef, #import, or #pragma
5472 once. Looks up things in the include hash table.
5473 (file_cleanup): Decrement pfile->system_include_depth here if
5475 (find_include_file): Calling convention changed; now passes
5476 around a struct include_hash instead of 3 separate parameters.
5477 Guts ripped out and replaced with new include_hash mechanism.
5478 (finclude): Calling convention changed as for
5479 find_include_file. Error exits pulled out-of-line. Reformat.
5480 (safe_read): Return a long, not an int.
5481 (deps_output): Don't recurse.
5483 * cpplib.c (is_system_include): Deleted.
5484 (path_include): Fix up call to append_include_chain.
5485 (do_include): Fix up calls to find_include_file and finclude.
5486 Clean up dependency output a bit. Shorten obnoxiously lengthy
5487 #import warning message. Don't decrement
5488 pfile->system_include_depth here.
5489 (do_pragma): Understand the include_hash structure. Reformat.
5490 (do_endif): Correct handling of control macros. Understand
5492 (cpp_start_read): Fix up calls to finclude. Call
5493 merge_include_chains.
5494 (cpp_handle_option): Fix up calls to append_include_chain.
5495 Understand the four partial include chains.
5496 (cpp_finish): Add debugging code (#if 0-ed out) for the
5498 (cpp_cleanup): Free the include_hash, not the import hash and
5499 the all_include and dont_repeat lists which no longer exist.
5501 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
5503 * toplev.c (no_new_pseudos): Define.
5504 (rest_of_compilation): Set no_new_pseudos as needed.
5505 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
5506 if no_new_pseudos is set.
5507 * rtl.h (no_new_pseudos): Declare it.
5508 * reload1.c (reload): Update comments.
5509 * md.texi: Corresponding changes.
5511 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5513 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
5514 (choose_reload_regs): Rename it here as well. When computing it,
5515 also merge in used hardregs.
5517 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5519 * gcc.c: Split out Objective-C specs to...
5520 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
5523 * c-lex.c (init_parse): Always initialize the filename global.
5524 * objc/objc-act.c (lang_init): Always call check_newline at
5527 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
5529 * reload1.c (reload): Remove unused variable.
5530 (reload_reg_free_for_value_p): Add missing parameter definition.
5532 * jump.c (jump_optimize): Remove unused variable.
5534 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
5536 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
5538 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
5540 * expr.c (move_by_pieces): Similarly.
5541 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
5542 * flow.c (find_auto_inc): Similarly.
5543 (try_pre_increment): Similarly.
5544 * loop.c (strength_reduce): Similarly.
5545 * regclass.c (auto_inc_dec_reg_p): Similarly.
5546 * regmove.c (try_auto_increment): Similarly.
5547 (fixup_match_1): Similarly.
5548 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
5549 (HAVE_PRE_DECREMENT): Similarly.
5550 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
5551 * Corresponding changes to all target header files.
5552 * tm.texi: Update docs for autoinc addressing modes.
5554 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
5556 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
5557 * configure: Rebuild.
5558 * config/elfos.h: New file.
5559 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
5560 config/m68k/t-m68kelf: New file.
5562 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
5564 * Makefile.in (HOST_AR): Define.
5565 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
5566 (libcpp.a): Use the host tools explicitly.
5567 (STAGESTUFF): Add libcpp.a.
5569 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
5571 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
5572 to source and destination registers.
5574 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
5576 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
5577 The strategy we now use is to pre allocate the top_elt along
5578 with the EH context so that each thread has its own top_elt.
5579 This is necessary as the dynmanic cleanup chain is used on the
5580 top element of the stack and each thread MUST have its own.
5581 (eh_context_static): Likewise.
5582 (new_eh_context): Likewise.
5583 (__sjthrow): Likewise.
5585 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5587 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5588 * i386.md (prologue_get_pc): Remove unused variable.
5590 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5592 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5594 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5596 * Makefile.in (OBJS): Add graph.o
5597 (graph.o): New dependency list.
5598 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5599 * print-rtl.c (dump_for_graph): Define new variable.
5600 (print_rtx): Rewrite to allow use in graph dumping functions.
5601 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5602 finish_graph_dump_file.
5603 Define graph_dump_format.
5604 (compile_file): If graph dumping is enabled also clear these files.
5605 Finish graph dump files.
5606 (rest_of_compilation): Also dump graph information if enabled.
5607 (main): Recognize -dv to enabled VCG based graph dumping.
5608 * graph.c: New file. Graph dumping functions.
5610 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5612 * configure.in: Look for <sys/stat.h>.
5613 * system.h: Include it before substitute S_ISREG definitions.
5615 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
5617 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
5618 * config/mips/iris6.h: Same.
5619 * config/mips/mips.md: Same.
5620 * config/mips/mips.c: Same; also add "-mabi=o64" option.
5621 * config/mips/mips.h: Same; also define ABI_O64.
5623 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5625 * configure.in: Use AC_PREREQ(2.12.1).
5627 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5629 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
5630 * cpplib.c, gcc.c: Likewise.
5631 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
5633 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
5635 * local-alloc.c (local_alloc): Use malloc not alloca for
5636 reg_qty, reg_offset, ref_next_in_qty.
5638 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5640 * caller-save.c (insert_one_insn): Initialize the live_before and
5641 live_after register sets.
5645 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
5646 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
5647 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
5648 (fp_reg_names, assembler_dialect): New variables.
5649 (print_operand_address): Handle SUBREGs.
5650 (print_operand): Added 'o' case.
5651 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
5652 Name of FP registers depends on mode.
5653 (expand_block_move): Emit different code for SH4 hardware.
5654 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
5655 (from_compare): Likewise.
5656 (add_constant): New argument last_value. Changed all callers.
5657 (find_barrier): Don't try HImode load for FPUL_REG.
5658 (machine_dependent_reorg): Likewise.
5659 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
5660 (gen_far_branch): Emit a barrier after the new jump.
5661 (barrier_align): Don't trust instruction lengths before
5663 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
5664 Use auto-inc addressing for fp registers if doubles need to
5665 be loaded in two steps.
5666 Set sh_flag_remove_dead_before_cse.
5667 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
5668 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
5669 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
5670 Support for FIRST_XD_REG .. LAST_XD_REG.
5671 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
5672 (sh_expand_epilogue): Likewise.
5673 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
5674 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
5675 (arith_reg_operand): FPUL_REG is OK for SH4.
5676 (fp_arith_reg_operand, fp_extended_operand) New functions.
5677 (tertiary_reload_operand, fpscr_operand): Likewise.
5678 (commutative_float_operator, noncommutative_float_operator): Likewise.
5679 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
5680 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
5681 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
5682 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
5683 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
5684 (CONDITIONAL_REGISTER_USAGE): Likewise.
5685 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
5686 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
5687 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
5688 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
5689 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
5690 to -1 and sh_flag_remove_dead_before_cse to 1.
5691 (ASSEMBLER_DIALECT): Define to assembler_dialect.
5692 (assembler_dialect, fp_reg_names): Declare.
5693 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
5694 Hide names of registers that are not accessible.
5695 (CACHE_LOG): Take TARGET_CACHE32 into account.
5696 (LOOP_ALIGN): Take TARGET_HARWARD into account.
5697 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
5698 (FIRST_PSEUDO_REGISTER: Now 49.
5699 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
5700 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
5701 (HARD_REGNO_MODE_OK): Update.
5702 (enum reg_class): Add DF_REGS and FPSCR_REGS.
5703 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
5704 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
5705 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
5706 (NPARM_REGS): Eight floating point parameter registers on SH4.
5707 (BASE_RETURN_VALUE_REG): SH4 also passes double values
5708 in floating point registers.
5709 (GET_SH_ARG_CLASS) Likewise.
5710 Complex float types are also returned in float registers.
5711 (BASE_ARG_REG): Complex float types are also passes in float registers.
5712 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
5713 (LIBCALL_VALUE): Remove trailing semicolon.
5714 (ROUND_REG): Round when double precision value is passed in floating
5716 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
5717 passed on the stack.
5718 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
5719 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
5720 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
5721 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
5722 (MODE_DISP_OK_8): Not for SH4 DFmode.
5723 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
5724 Allow indexed addressing for PSImode after reload.
5725 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
5726 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
5727 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
5728 (DOUBLE_TYPE_SIZE): 64 for SH4.
5729 (RTX_COSTS): Add PLUS case.
5730 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
5731 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
5732 MAC_REGS, PR_REGS, DF_REGS.
5733 (REGISTER_NAMES): Use fp_reg_names.
5734 (enum processor_type): Add PROCESSOR_SH4.
5735 (sh_flag_remove_dead_before_cse): Declare.
5736 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
5737 (PREDICATE_CODES): Add binary_float_operator,
5738 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
5739 fpscr_operand, noncommutative_float_operator.
5740 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
5741 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
5742 * sh.md (attribute cpu): Add value sh4.
5743 (attrbutes fmovd, issues): Define.
5744 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
5745 (function units memory, int, mpy, fp): Make dependent on issue rate.
5746 (function units issue, single_issue, load_si, load): Define.
5747 (function units load_store, fdiv, gp_fpul): Define.
5748 (attribute hit_stack): Provide proper default.
5749 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
5750 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
5751 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
5752 (mulsi3_call): Now uses match_operand for function address.
5753 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
5755 (push, pop, push_e, pop_e): Now define_expands.
5756 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
5757 (movsi_ie): Added y/i alternative.
5758 (ic_invalidate_line_i, movdf_i4): New insns.
5759 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
5760 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
5761 (movdf): Add special code for SH4.
5762 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
5763 (call_valuei, calli, call_value): Likewise.
5764 (movsf): Emit no-op move.
5765 (mov_nop, movsi_y): New insns.
5766 (blt, sge): generalize to handle DFmode.
5767 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
5768 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
5769 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
5770 (fpu_switch0, fpu_switch1, movpsi): New expanders.
5771 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
5772 (toggle_sz): New insn.
5773 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
5774 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
5775 (macsf3): Make use of fpscr visible. Disable for SH4.
5776 (floatsisf2): Make use of fpscr visible.
5777 (floatsisf2_i4): New insn.
5778 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
5779 (ieee_ccmpeqsf_t): Likewise.
5780 (fix_truncsfsi2): Emit different code for SH4.
5781 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
5782 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
5783 (negsf2, sqrtsf2, abssf2): Now expanders.
5784 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
5785 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
5786 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
5787 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
5788 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
5789 (fix_truncdfsi2_i4_2+1): New splitters.
5790 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
5791 (extendsfdf2, truncdfsf2): New expanders.
5792 (truncdfsf2_i4): New insn.
5793 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
5794 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
5795 * float-sh.h: When testing for __SH3E__, also test for
5796 __SH4_SINGLE_ONLY__ .
5797 * va-sh.h (__va_freg): Define to float.
5798 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
5799 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
5800 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
5801 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
5803 (TARGET_SH4_P): Define.
5806 * sh.md (movdf_k, movsf_i): Tweak the condition so that
5807 init_expr_once is satisfied about the existence of load / store insns.
5809 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
5810 change m constraint in source operand to mr / mf .
5812 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
5814 * (__VA_REEF): Define.
5815 (__va_arg_sh1): Use it.
5817 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
5819 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
5821 * i386/dgux.c (struct option): Add new "description field".
5822 * m88k/m88k.c (struct option): Likewise.
5824 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
5826 * version.c: Bump for snapshot.
5828 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5830 * regmove.c (regmove_profitable_p): Use return value of find_matches
5833 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
5835 * version.c: Bump for snapshot.
5837 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
5839 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
5840 without reload having been called earlier.
5842 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
5844 (v850_reorg): Similarly.
5846 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
5848 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5850 * loop.c (move_movables): Start of libcall might be new loop start.
5852 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5854 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
5856 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5858 * function.c (nonlocal_goto_handler_slots): Renamed from
5859 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
5860 (push_function_context_to): Adjust for this change.
5861 (pop_function_context_from): Likewise.
5862 (init_function_start): Likewise.
5863 (expand_function_end): Likewise.
5864 * function.h (struct function): Likewise.
5865 * calls.c (expand_call): Likewise.
5866 * explow.c (allocate_dynamic_stack_space): Likewise.
5867 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
5868 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
5870 (expand_goto): When doing a nonlocal goto, find corresponding handler
5871 slot for it. Don't put the label address in the static chain register.
5872 (expand_end_bindings): Break out nonlocal goto handling code into
5873 three new functions.
5874 (expand_nl_handler_label, expand_nl_goto_receiver,
5875 expand_nl_goto_receivers): New static functions, broken out of
5876 expand_end_bindings and adapted to create one handler per nonlocal
5878 * function.c (delete_handlers): Delete insn if it references any of
5879 the nonlocal goto handler slots.
5880 * i960.md (nonlocal_goto): Comment out code that modifies
5882 * sparc.md (nonlocal_goto): Likewise.
5883 (goto_handler_and_restore_v9): Comment out.
5884 (goto_handler_and_restore_v9_sp64): Comment out.
5886 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5888 * expr.c (STACK_BYTES): Delete unused macro.
5889 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
5890 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5891 (expand_call): Likewise.
5892 (emit_library_call): Likewise.
5893 (emit_library_call_value): Likewise.
5894 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
5895 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5896 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
5897 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5898 (allocate_dynamic_stack_space): Likewise.
5899 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
5900 (STACK_BOUNDARY): Update description to reflect the new situation.
5902 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
5904 * reorg.c (relax_delay_slots): When optimizing for code size, if a
5905 return with a filled delay slot is followed by a return with an
5906 unfilled delay slot, delete the first return and reemit the insn
5907 that was previously in its delay slot.
5909 * i860.c (single_insn_src_p): Add missing parens.
5910 * ginclude/math-3300.h: Likewise.
5912 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
5914 * regclass.c (init_reg_sets_1): Add prototype.
5915 (init_reg_modes): Likewise.
5917 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
5919 * c-common.c: Change warning messages to say `comparison is
5920 always true' or `comparison is always false' instead of the
5921 confusing `is always 0', `is always 1'.
5923 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
5925 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
5926 break instead of return (which loses closing '>').
5928 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
5930 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
5931 standard 387 constants.
5933 * i386.md (jump): Explicitly set "memory" attribute.
5934 (indirect_jump, prologue_set_stack_ptr): Likewise.
5935 (prologue_get_pc_and_set_got, pop): Likewise.
5936 (allocate_stack_worder, blockage, return_internal): Likewise.
5937 (return_pop_internal, nop): Likewise.
5938 (epilogue_set_stack_ptr, leave): Likewise.
5940 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
5942 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
5944 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5946 * reload1.c (reload_reg_free_for_value_p):
5947 Early auto_inc reloads don't conflict with outputs.
5949 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5951 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
5952 Instead call AC_HEADER_SYS_WAIT.
5954 * collect2.c: Don't provide defaults for sys/wait.h macros.
5956 * protoize.c: Likewise. Also, don't include sys/wait.h.
5958 * system.h: Include sys/wait.h and provide macro defaults.
5960 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5962 * Makefile.in (mandir): Set to @mandir@.
5963 (man1dir): New variable to hold the former value of $(mandir).
5964 Replace all uses of $(mandir) by $(man1dir).
5966 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
5968 * reload.c (find_reloads_address_part): If have a CONST_INT, create
5969 a new one before passing it to force_const_mem.
5971 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
5972 find_reloads_address call.
5974 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5976 * expr.c (store_expr): Don't generate load-store pair
5977 if TEMP is identical (according to ==) with TARGET.
5979 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5981 * reload1.c (reload_reg_free_for_value_p): When considered reload
5982 has an output, matching inputs are not sufficient to avoid conflict.
5984 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
5986 * hash.h (hash_table_key): New type.
5987 (hash_entry): Change `string' field to generic `key'.
5988 (hash_table): Add `comp' and `hash' functions.
5989 (hash_table_init): Take them as input.
5990 (hash_table_init_n): Likewise.
5991 (hash_lookup): Modify for generic keys.
5992 (hash_newfunc): Likewise.
5993 (hash_traverse): Likewise.
5994 (string_hash): New function.
5995 (string_compare): Likewise.
5996 (string_copy): Likewise.
5997 * hash.c (hash_table_init_n): Modify for generic keys.
5998 (hash_table_init): Likewise.
5999 (hash_lookup): Likewise.
6000 (hash_newfunc): Likewise.
6001 (hash_traverse): Likewise.
6002 (string_hash): Split out from hash_lookup.
6003 (string_compare): New function.
6004 (string_copy): Split out from hash_lookup.
6005 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
6007 (symbol_hash_lookup): Likewise.
6008 (file_hash_newfunc): Likewise.
6009 (file_hash_lookup): Likewise.
6010 (demangled_hash_newfunc): Likewise.
6011 (demangled_hash_lookup): Likewise.
6012 (tlink_int): Likewise.
6013 (read_repo_file): Likewise.
6014 (recompile_files): Likewise.
6015 (demangle_new_symbols): Likewise.
6016 (scan_linker_output): Likewise.
6018 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6020 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
6022 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
6024 * rs6000.c (output_mi_thunk): Improve test for local branch.
6026 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6028 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
6030 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6032 * reload1.c (reload_reg_free_before_p): Delete.
6033 Changed all callers to use reload_reg_free_for_value_p instead.
6034 (reload_reg_free_for_value_p): Handle more reload types.
6035 A RELOAD_FOR_INPUT doesn't conflict with its
6036 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
6037 Add special case for OUT == const0_rtx.
6038 Added ignore_address_reloads argument. Changed all callers.
6040 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
6042 * toplev.c (compile_file): Don't pedwarn about undefined static
6043 functions just because we passed -Wunused.
6045 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6047 * function.c (purge_addressof_1): Unshare rtl created by
6050 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6052 * regmove.c (regmove_optimize): Don't do anything but
6053 optimize_reg_copy[123] when flag_regmove is not set.
6055 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6057 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6058 value in paradoxical SImode result, rather than truncating midpoint.
6060 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6062 * alpha.c (reg_not_elim_operand): New.
6063 * alpha.h (PREDICATE_CODES): Add it.
6064 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6065 for the multiplicand.
6067 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
6069 * rs6000.md (movsf): Remove explicit secondary-reload-like
6070 functionality. Only truncate SFmode store if in FPR.
6071 (movsf splitters): Combine const_double splitters.
6072 (movsf_hardfloat): Add GPR support.
6074 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6076 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6077 deprecate -mlive-g0 and -mbroken-saverestore.
6078 * t-splet (MULTILIB_OPTIONS): Likewise.
6080 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6081 in a leaf function. Clarify total_size/extra_size relationship.
6083 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6085 * i386/cygwin32.asm: Delete.
6086 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6087 * i386/cygwin32.h: Delete.
6088 * i386/cygwin.h: New file, renamed from cygwin32.h.
6089 * i386/t-cygwin32: Delete.
6090 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6091 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6092 * i386/x-cygwin32: Delete.
6093 * i386/x-cygwin: New file, renamed from x-cygwin32.
6094 * i386/xm-cygwin32: Delete.
6095 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6096 renamed cygwin_ funcs for path translations.
6097 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6098 * i386/winnt.c: Remove "32" from comment about cygwin.
6099 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6100 * rs6000/cygwin32.h: Delete.
6101 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6102 -D__CYGWIN__ to CPP_PREDEFINES.
6103 * rs6000/x-cygwin32: Delete.
6104 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6105 * rs6000/xm-cygwin32: Delete.
6106 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6108 * configure.in: Check for cygwin* instead of cygwin32. Account
6109 for the rename of cygwin-related config files to lose the "32"s.
6110 * configure: Regenerate.
6112 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6113 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6115 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6117 * Makefile.in (JAVAGC): New macro.
6118 * configure: Rebuilt.
6119 * configure.in: Recognize --enable-java-gc argument. Subst
6122 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6124 Handle equivalences that have been obscured by gcse:
6126 * reload1.c (reload): Handle equivalences set up in multiple places.
6127 * local-alloc.c (reg_equiv_init_insns): New variable.
6128 (no_equiv): New function.
6129 (update_equiv_regs): Handle equivalences set up in multiple places.
6130 Don't ignore an insn just because its destination is likely to be
6133 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6135 * except.c (expand_eh_return): Readd force_operand call lost in
6138 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
6140 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6142 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6144 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6146 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6148 * regmove.c (regmove_optimize): Fix error in last change.
6150 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6152 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6153 offset in the .mask pseudo to compensate for frame pointer adjustments.
6154 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6155 word swap arguments moved to/from FP registers.
6156 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6158 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6160 * version.c: Bump for snapshot.
6162 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6164 * version.c: Bump for snapshot.
6166 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6168 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6169 times, then it can not be completely replaced.
6171 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6173 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6175 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6177 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6178 (to distinguish it from the macro wrapping ansidecl.h.)
6179 Include libiberty's ansidecl.h. Remove all redundant definitions.
6180 Define the PROTO() style macros in terms of the PARAMS() ones.
6183 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6184 __STDC__, when deciding whether to use ANSI variable args.
6185 (emit_library_call_value): Likewise.
6187 * cccp.c (error): Likewise.
6188 (warning): Likewise.
6189 (error_with_line): Likewise.
6190 (warning_with_line): Likewise.
6191 (pedwarn): Likewise.
6192 (pedwarn_with_line): Likewise.
6193 (pedwarn_with_file_and_line): Likewise.
6196 * cexp.y (error): Likewise.
6197 (pedwarn): Likewise.
6198 (warning): Likewise.
6200 * collect2.c (fatal_perror): Likewise.
6204 * combine.c (gen_rtx_combine): Likewise.
6206 * cpperror.c (cpp_message): Likewise.
6207 (cpp_fatal): Likewise.
6209 * cpplib.c (cpp_error): Likewise.
6210 (cpp_warning): Likewise.
6211 (cpp_pedwarn): Likewise.
6212 (cpp_error_with_line): Likewise.
6213 (cpp_warning_with_line): Likewise.
6214 (cpp_pedwarn_with_line): Likewise.
6215 (cpp_pedwarn_with_file_and_line): Likewise.
6217 * cpplib.h: Don't define PARAMS() macro.
6219 * demangle.h: Likewise.
6221 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6222 when deciding whether to use ANSI variable args.
6224 * emit-rtl.c (gen_rtx): Likewise.
6225 (gen_rtvec): Likewise.
6227 * final.c (asm_fprintf): Likewise.
6229 * fix-header.c (cpp_message): Likewise.
6231 (cpp_fatal): Likewise.
6233 * gcc.c (concat): Likewise.
6237 * genattr.c (fatal): Likewise.
6239 * genattrtab.c (attr_rtx): Likewise.
6240 (attr_printf): Likewise.
6243 * gencodes.c (fatal): Likewise.
6245 * genconfig.c (fatal): Likewise.
6247 * genemit.c (fatal): Likewise.
6249 * genextract.c (fatal): Likewise.
6251 * genflags.c (fatal): Likewise.
6253 * genopinit.c (fatal): Likewise.
6255 * genoutput.c (fatal): Likewise.
6258 * genpeep.c (fatal): Likewise.
6260 * genrecog.c (fatal): Likewise.
6262 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6263 deciding whether to declare `tree_node' and `rtx_def'.
6265 * hash.h: Don't define stuff we get from gansidecl.h.
6267 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6268 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6269 whether to use ANSI variable args.
6272 * prefix.c (concat): Likewise.
6276 * system.h: Likewise.
6278 * toplev.c (error_with_file_and_line): Likewise.
6279 (error_with_decl): Likewise.
6280 (error_for_asm): Likewise.
6283 (warning_with_file_and_line): Likewise.
6284 (warning_with_decl): Likewise.
6285 (warning_for_asm): Likewise.
6286 (warning): Likewise.
6287 (pedwarn): Likewise.
6288 (pedwarn_with_decl): Likewise.
6289 (pedwarn_with_file_and_line): Likewise.
6291 (really_sorry): Likewise.
6293 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6294 whether to declare `tree_node' and `rtx_def'.
6296 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6297 deciding whether to use ANSI variable args.
6298 (build_nt): Likewise.
6299 (build_parse_node): Likewise.
6301 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6303 * version.c: Bump for snapshot.
6305 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6307 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6309 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6311 * collect2.c (main, case 'b'): Use else if.
6313 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6315 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6316 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6317 before the config/ directory headers.
6318 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6319 gansidecl.h in the list of dependencies.
6321 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6322 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6323 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6324 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6325 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6326 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6329 * cccp.c: Don't include gansidecl.h.
6331 * collect2.c: Likewise.
6332 * config/c4x/c4x.c: Likewise.
6333 * config/v850/v850.h: Likewise.
6334 * cppalloc.c: Likewise.
6335 * cpperror.c: Likewise.
6336 * cppexp.c: Likewise.
6337 * cppfiles.c: Likewise.
6338 * cpphash.c: Likewise.
6339 * cpplib.c: Likewise.
6340 * cppmain.c: Likewise.
6341 * cppulp.c: Likewise.
6342 * demangle.h: Likewise.
6343 * doprint.c: Likewise.
6344 * dyn-string.c: Likewise.
6345 * eh-common.h: Likewise.
6346 * fix-header.c: Likewise.
6347 * frame.c: Likewise.
6350 * gen-protos.c: Likewise.
6351 * gencheck.c: Likewise.
6352 * halfpic.h: Likewise.
6354 * machmode.h: Likewise.
6355 * mbchar.c: Likewise.
6356 * prefix.c: Likewise.
6357 * protoize.c: Likewise.
6358 * recog.h: Likewise.
6360 * scan-decls.c: Likewise.
6362 * varray.h: Likewise.
6364 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6366 * i386.md (call_value_pop): If we're not popping anything,
6367 defer to call_value.
6368 (call_pop): Likewise defer to call.
6370 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6372 * function.c (purge_addressof): Clear purge_addressof_replacements
6373 only after processing the whole function.
6375 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6377 * reload1.c (reload): If we can not perform a particular elimination
6378 when we thought we could earlier, then we must always iterate through
6379 the loop at least one more time.
6381 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6383 * alpha.c (add_operand): Simplify the CONST_INT match.
6384 (sext_add_operand): Correct typo in comparison by using
6385 CONST_OK_FOR_LETTER_P.
6386 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6387 constant alternatives to be generated.
6388 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6389 small constants, since the hw instructions do.
6391 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6393 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6394 previous insn to store directly into our reload register, make sure
6395 that if the source of the previous insn is a reload register, its
6396 spill_reg_store and spill_reg_stored_to values are cleared.
6398 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
6400 * rs6000.md (floatunssidf2_internal splitter): Use base register
6401 operand, not hard-coded SP.
6403 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6405 * jump.c (calculate_can_reach_end): Fix thinko.
6407 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6409 * reorg.c (fill_simple_delay_slots): Fix typo.
6411 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6413 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6415 * i386.md (extendsidi2): Use # in the output template.
6416 (extendsidi splitters): New splitters.
6418 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6420 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6422 * configure: Regenerate.
6424 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6426 * jump.c (init_label_info, delete_barrier_successors,
6427 mark_all_labels, delete_unreferenced_labels,
6428 delete_noop_moves, calculate_can_reach_end): New functions broken
6429 out of jump_optimize.
6430 (jump_optimize): Use them.
6432 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6434 * except.c (expand_fixup_region_end): Make sure outer context labels
6435 are not issued in an inner context during cleanups.
6437 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6439 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6442 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6444 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6445 to expose this midpoint to CSE.
6447 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6449 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6451 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6453 * configure.in: Bring over gcc2 change of Nov 19 1997.
6455 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6457 * toplev.c (output_lang_identify): Make definition dependent on
6458 ASM_IDENTIFY_LANGUAGE.
6460 * print-rtl.c (spaces): Make static.
6462 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6464 * extend.texi: Clarify proper uses for register clobbers in asms.
6466 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6468 * recog.h (enum op_type): Define.
6469 (constrain_operands): Adjust prototype.
6470 (recog_op_type): Declare new variable.
6471 * recog.c (recog_op_type): New variable.
6472 (insn_invalid_p): Allow modifying an asm statement after reload.
6473 (extract_insn): Set up recog_op_type.
6474 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6475 Don't compute operand types, use recog_op_type.
6476 Use the information computed by extract_insn instead of the previous
6477 method of finding it by insn code number.
6478 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6479 * reorg.c (fill_slots_from_thread): Likewise.
6480 * reload1.c (reload_as_needed): Likewise.
6481 (gen_reload): Likewise.
6482 (inc_for_reload): Likewise.
6483 (reload_cse_simplify_operands): Likewise.
6484 Use the information computed by extract_insn instead of the previous
6485 method of finding it by insn code number.
6486 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6488 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6489 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6490 Use the information computed by extract_insn instead of the previous
6491 method of finding it by insn code number.
6492 * regmove.c (find_matches): Likewise. Change meaning of the return
6493 value to be nonzero if the optimization can be performed, zero if
6494 not. All callers changed.
6495 Shorten some variable names to fix formatting problems.
6496 (regmove_optimize): Shorten some variable names to fix formatting
6498 Use the information computed by extract_insn instead of the previous
6499 method of finding it by insn code number.
6500 * regclass.c (scan_one_insn): Likewise.
6501 (record_reg_classes): Don't compute operand types, use recog_op_type.
6502 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
6503 recog_constraints instead.
6505 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
6507 * rtl.h (flow2_completed): Declare.
6508 * flow.c (flow2_completed): Definition.
6509 * toplev.c (rest_of_compilation): Set and clear flow2_completed
6512 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6514 * Makefile.in (libcpp.a): Ranlib libcpp.a
6516 * cppulp.c (user_label_prefix): Initialize.
6518 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
6520 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
6521 at a RETURN if current_function_sp_is_unchanging is set.
6523 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6525 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
6527 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
6529 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
6530 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
6531 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
6532 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
6533 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
6534 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
6536 (LIB_SPEC): Handle -mno-cyginw option.
6537 (LINK_SPEC): Handle -mdll.
6539 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6541 * reload.c (find_reloads): Fix test for usage by other reload
6542 to handle secondary reloads properly.
6544 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6546 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
6547 intermediate structure which has exactly the members provided by
6548 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
6549 static intermediate structure.
6551 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
6552 from the intermediate structure. Do the same analogous fix in
6553 the case where ELIMINABLE_REGS is not defined.
6555 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
6557 * pa.h (SELECT_SECTION): Fix thinko.
6559 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
6561 * dwarf2out.c (output_call_frame_info): Comments on last change.
6563 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
6565 * arm.c (add_constant): When taking the address of an item in the
6566 pool, get the mode of the item addressed.
6568 * arm.c (final_prescan_insn case INSN): If an insn doesn't
6569 contain a SET or a PARALLEL, don't consider it for conditional
6572 Restore ABI compatibility for NetBSD.
6573 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
6575 (RETURN_IN_MEMORY): Likewise.
6577 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
6579 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
6580 (m32r_output_block_move): Rewrite bytes < 4 handling.
6582 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6584 * configure.in: Call AC_FUNC_VFORK.
6586 * collect2.c: Define VFORK_STRING as a printable string for
6587 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6588 defined, include vfork.h. If VMS is defined, define vfork()
6589 appropriately. Remove vfork check on USG, we're using autoconf.
6590 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6591 checking locally what string to pass.
6592 (scan_prog_file): Likewise.
6593 (scan_libraries): Likewise.
6595 * gcc.c: Remove vfork check on USG, we're using autoconf.
6596 Besides, no calls to vfork/fork occur in this file.
6598 * protoize.c: Likewise.
6600 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6602 * configure.in (DEFAULT_LINKER): renamed from LD
6603 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6604 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6605 * configure: rebuilt
6607 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6609 * BUGS: fix the regexp for `more' to find the appropriate node.
6610 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6612 * BUGS: added link to the WWW FAQ
6614 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
6616 * version.c: Bump for snapshot.
6618 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
6620 * From Christian Gafton:
6621 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
6622 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
6623 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
6625 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
6627 * c-common.c (c_get_alias_set): Allow all type-punning through
6628 unions. Don't get confused about the type of a bit-field, despite
6629 the antics of build_modify_expr.
6631 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
6633 * fixinc.sco: Paramaterize #include_next values.
6634 * fixinc/fixinc.sco: Likewise.
6636 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
6638 * toplev.c (rest_of_compilation): No longer set reload_completed.
6639 * reload1.c (reload): Set it here. Perform instruction splitting
6640 after reload has completed if we will be running the scheduler
6643 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
6645 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
6646 EH region if exceptions are enabled and we're performing cross
6648 (find_cross_jump): Exit loop if the insns are in different EH regions.
6650 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
6652 * dwarf2out.c (output_call_frame_info): Use
6653 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
6655 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6657 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
6658 * c-common.c (check_format_info): Don't check for the 'x'
6659 format character twice, instead check for 'x' and 'X'
6661 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
6663 * configure.in (assembler features): Also make gas is configured if
6664 we find it in the souce tree.
6666 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
6668 * i386.c (i386_comp_type_attributes): Compare whether the
6669 attributes are defined, not their tree nodes.
6671 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6673 * configure.in (gxx_include_dir): bitten by autoconf quoting
6675 * configure: rebuilt
6677 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6679 * configure.in: Ignore non-absolute value in $AS.
6681 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
6683 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
6685 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
6687 * configure.in (msdosdjgpp): Set exeext and target_alias.
6689 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6691 * flow.c (XNMALLOC): New macro.
6692 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
6694 (add_edge, add_edge_to_label): New static functions.
6695 (free_bb_memory): New function.
6696 (flow_delete_insn): Delete function.
6697 (basic_block_drops_in): Delete variable.
6698 (find_basic_blocks): Allocate and initialize basic_block_head,
6699 basic_block_succ. Don't allocate basic_block_drops_in.
6700 Call free_bb_memory at the beginning.
6701 (find_basic_blocks_1): Don't do multiple passes.
6702 Delete code to compute basic_block_drops_in.
6703 After calling make_edges, mark blocks reached by current block live.
6704 Update test for unreachable live blocks.
6705 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
6707 Simplify to call add_edge_to_label when a LABEL_REF is found.
6708 (make_edges): Simplify to call add_edge_to_label instead of
6709 mark_label_ref most of the time.
6710 Compute here whether control drops into the next block.
6711 (delete_unreachable_blocks): Return void. All callers changed.
6712 Delete unreachable blocks in reverse order.
6713 After deleting all unreachable blocks, renumber the remaining ones
6714 and update n_basic_blocks.
6715 (delete_block): Speed up deletion a bit.
6716 Don't set basic_block_drops_in for deleted blocks.
6717 (free_basic_block_vars): Don't free basic_block_drops_in.
6718 (life_analysis_1): Update to use new edge representation.
6719 (dump_flow_info): Delete code to print basic block info; call
6720 dump_bb_data instead.
6721 (compute_preds_succs): Delete code to recompute basic_block_drops_in
6722 and uid_block_number.
6723 Simply copy the previously computed cfg.
6724 (dump_bb_data): New arg LIVE_INFO. All callers changed.
6725 Print register lifetime information if LIVE_INFO is nonzero.
6726 * basic-block.h (dump_bb_data): Adjust prototype.
6727 * gcse.c (gcse_main): Update call to dump_bb_data.
6728 * rtl.h (free_bb_memory): Declare.
6729 * toplev.c (rest_of_compilation): Call free_bb_memory.
6731 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
6732 (update_eliminable_offsets): Don't compute it.
6733 (set_initial_elim_offsets): Don't initialize it.
6734 Break out some code into set_initial_label_offsets so the rest of
6735 this function can be called from reload_as_needed.
6736 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
6737 ELIMINABLE_REGS isn't.
6738 (set_initial_label_offsets): New function, broken out of
6739 set_initial_elim_offsets.
6740 (set_offsets_for_label): New function, broken out of set_label_offsets
6741 and reload_as_needed.
6742 (reload): Call the two new functions.
6743 (reload_as_needed): Call set_initial_elim_offsets instead of
6744 duplicating the code. Likewise for set_offsets_for_label.
6746 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
6747 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
6748 any hard reg, reg_reloaded_dead contains valid data.
6750 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
6752 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
6753 "stdcall" and "cdecl" attributes.
6755 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
6757 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
6758 handle deleted no-op moves of hard registers.
6759 * haifa-sched.c (update_flow_info): Likewise.
6761 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
6763 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
6764 of the sequences to reload the HILO register which do not actually
6767 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
6769 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
6771 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6773 * except.c (emit_eh_context): Make the EH context register stay alive
6774 at -O0 so stupid.c doesn't get confused.
6776 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6778 * emit-rtl.c (try_split): Do not try to split a BARRIER.
6780 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
6781 Jeffrey A Law (law@cygnus.com)
6783 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
6784 (zero_extendsidi2): Use # in output template and handle completely by
6786 (zero_extend splitters): New define_splits.
6787 (ashiftrt_32): New pattern.
6789 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
6791 * tree.c (append_random_chars): New fn.
6792 (get_file_function_name_long): Use it.
6794 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
6796 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
6797 (LIBCPP_OBJS): New. Add cppulp.o.
6798 (cppmain, fix-header): Depend on and use libcpp.a.
6799 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
6800 of the individual object files.
6801 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
6804 * cccp.c (user_label_prefix): New.
6805 (main): Set it off -f*leading-underscore.
6806 (special_symbol): Use it.
6807 * cpplib.c (special_symbol): Likewise.
6808 (cpp_handle_option): Handle -f*leading-underscore.
6809 * cppulp.c: New file.
6811 * output.h (user_label_prefix): Declare it.
6812 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
6813 * toplev.c (f_options, main): Handle -f*leading-underscore.
6815 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
6816 referencing USER_LABEL_PREFIX directly.
6817 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
6818 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
6819 * final.c (asm_fprintf): Use user_label_prefix instead.
6820 * arm/thumb.c (thumb_print_operand): Likewise.
6822 * gcc.c (default_compilers): Pass -f*leading-underscore on to
6823 cpp wherever appropriate.
6825 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
6827 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
6828 specific compiler switches.
6830 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
6832 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
6835 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6837 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
6838 structure which has exactly the members provided by EXTRA_SPECS.
6839 Xmalloc() the real `extra_specs', and initialize it from this
6840 intermediate structure.
6842 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
6844 * mips.h (EXTRA_SPECS): Likewise.
6846 * sparc.h (EXTRA_SPECS): Likewise.
6848 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6850 * function.c (purge_addressof_1): Instead of aborting when a
6851 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
6852 work just put the ADDRESSOF on stack. Otherwise remember all such
6853 successfull replacements, so that exactly the same replacements
6854 can be made on the REG_NOTEs. Remove the special case for CALL
6856 (purge_addressof_replacements): New variable.
6857 (purge_addressof): Clear it at end.
6859 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6861 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
6862 (lang_init): Call check_newline always.
6863 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
6864 cpp_start_read, set yy_cur and yy_lim to read from
6865 parse_in.token_buffer, so that we'll see the first #line
6867 * cpplib.c (cpp_start_read): finclude the main input file
6868 before processing -include/-imacros. Process -imacros and
6869 -include separately, and handle -include by stacking a
6870 buffer for the file in question as if it'd been #included.
6871 * toplev.c (documented_lang_options) Recognize -H when
6874 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6876 * cpplib.c: Merge do_once into do_pragma. Break file handling
6877 code out of do_include.
6878 Move append_include_chain, deps_output,
6879 file_cleanup, redundant_include_p, import_hash,
6880 lookup_import, add_import, read_filename_string, read_name_map,
6881 open_include_file, finclude, safe_read to cppfiles.c.
6882 Move prototypes for deps_output, append_include_chain,
6883 finclude to cpplib.h. Move definition of struct
6884 file_name_list there also.
6886 * cppfiles.c: New file. Contains all the above functions
6887 broken out of cpplib.c; also hack_vms_include_specification
6888 from cccp.c and find_include_file, a new function broken out of
6891 * Makefile.in (cppmain): Depend on cppfiles.o.
6892 (fix-header): Likewise.
6893 (cppfiles.o): New target.
6894 * configure.in (--enable-c-cpplib): Add cppfiles.o to
6895 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
6897 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
6899 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
6900 if pending_types is non-zero.
6901 (dwarfout_finish): Verify pending_types is zero before finishing.
6903 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
6905 * expr.c (convert_move): Use shifts to perform the move if a
6906 suitable extend pattern cannot be found. Code written by
6907 Richard Henderson <rth@cygnus.com>.
6909 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6911 * regclass.c (renumber, regno_allocated): New static variables, moved
6912 out of allocate_reg_info.
6913 (allocate_reg_info): Move these two variables outside the function.
6914 Move code to free memory into new function free_reg_info.
6915 (free_reg_info): New function, broken out of allocate_reg_info.
6916 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
6917 * rtl.h (allocate_reg_info): Don't declare.
6918 (free_reg_info): Declare.
6920 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
6922 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
6924 * toplev.c (compile_file): Temporarily revert last change.
6926 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
6928 * c-typeck.c (convert_for_assignment): Parenthesize.
6930 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6932 * reload1.c (delete_output_reload): Avoid ambigous else.
6934 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
6936 * toplev.c (compile_file): Call allocate_reg_info to free register
6938 * rtl.h (allocate_reg_info): Declare.
6940 * PROJECTS: Remove entry for local spilling.
6942 * final.c (cleanup_subreg_operands): New function.
6943 (final_scan_insn): Use it.
6944 (alter_subreg): Clear the "used" field when we turn a SUBREG into
6946 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
6947 operands when reload has finished.
6948 * reload.h (cleanup_subreg_operands): Declare..
6949 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
6950 reload. Handled in reload itself.
6952 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6954 * reload1.c (verify_initial_offsets): New function.
6955 (reload): Call it after reload_as_needed. Also verify that the frame
6956 size stays constant during reload_as_needed.
6957 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
6959 * reload.h (struct insn_chain): Add need_operand_change element.
6960 * reload1.c (new_insn_chain): Clear it.
6961 (calculate_needs_all_insns): Set it; don't overload need_reload.
6962 (reload_as_needed): Use it.
6964 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
6965 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
6966 and reload_address_index_reg_class.
6967 (find_reloads_address_1): Likewise.
6968 * reload.h (reload_address_base_reg_class,
6969 reload_address_index_reg_class): Don't declare.
6970 * reload1.c (reg_old_renumber, pseudo_previous_regs,
6971 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
6972 (used_spill_regs): Now static.
6973 (reload_address_base_reg_class, reload_address_index_reg_class,
6974 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
6975 basic_block_needs, max_needs, group_size, group_mode, max_groups,
6976 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
6979 (init_reload): Delete code to compute base/index reg classes.
6980 (reload): Delete variable J.
6981 Delete code to manage basic_block_needs.
6982 Don't compute regs_explicitly_used.
6983 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
6984 pseudo_previous_regs.
6985 Initialize bad_spill_regs_global.
6986 Don't call order_regs_for_reload here.
6987 Don't initialize spill_reg_order and n_spills.
6988 Don't forbid explicitly used regs to be used for spill regs.
6989 Change main loop to infinite loop, with explicit break statements.
6990 Make SOMETHING_CHANGED variable local to that loop.
6991 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
6992 max_groups_insn, max_nongroups_insn, group_size, group_mode.
6993 Make sure spilled_speudos is cleared before calling spill_hard_reg or
6995 Don't call dump_needs.
6996 Delete code to reset potential_reload_regs.
6997 Delete code to terminate loop conditional on the global needs variables
6998 showing no further needs.
6999 (calculate_needs_all_insns): Return void. All callers changed.
7000 Initialize somehing_needs_elimination here, not in reload.
7001 Delete avoid_return_reg kludge.
7002 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
7003 All callers changed.
7004 Initialize the group_mode and group_size elements of the arg CHAIN.
7005 Delete code to manage basic_block_needs.
7006 Operate on elements of CHAIN instead of global variables.
7007 Delete avoid_return_reg kludge.
7008 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
7009 All callers changed.
7010 Operate on elements of CHAIN instead of global variables.
7011 Delete special SMALL_REGISTER_CLASSES code.
7012 Delete spill_failure code; now in new_spill_reg.
7013 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
7014 All callers changed.
7015 Operate on elements of CHAIN instead of global variables.
7016 (maybe_mark_pseudo_spilled): New static function.
7017 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
7018 All callers changed.
7019 Operate on elements of CHAIN instead of global variables.
7020 Call order_regs_for_reload here, not in reload.
7021 Initialize spill_reg_order and n_spills.
7022 Simplify test whether an asm insn is involved.
7023 Delete spill_failure code; now in new_spill_reg.
7024 Call maybe_mark_pseudo_spilled for everything marked as live in
7025 CHAIN. Merge CHAIN's used_spill_regs into the global variable
7027 (dump_needs): Take CHAIN arg. No longer static, to prevent the
7028 compiler from optimizing this function (now unused) away.
7029 Operate on elements of CHAIN instead of global variables.
7030 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
7032 Operate on elements of CHAIN instead of global variables.
7033 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
7034 take CHAIN arg. All callers changed.
7035 Operate on elements of CHAIN instead of global variables.
7036 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
7037 CHAIN, NONGROUP args. Return void. All callers changed.
7038 Verify caller isn't trying to spill a pseudo.
7039 Simplify test for illegal reg, just use bad_spill_regs.
7040 Generate better error messages.
7041 Operate on elements of CHAIN instead of global variables.
7042 Mark spilled register in CHAIN's used_spill_regs element.
7043 Don't call spill_hard_reg.
7044 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
7045 Mark spilled hard regs in bad_spill_regs_global.
7046 Mark affected pseudos in spilled_pseudos, but don't spill them.
7047 (ior_hard_reg_set): New static function.
7048 (finish_spills): Return int. All callers changed.
7049 Compute spill_reg_order, n_spills and spill_regs here. Also update
7050 regs_ever_live for regs used as spills.
7051 For every pseudo in spilled_pseudos, spill it and mark the previous
7052 hard reg it had in pseudo_previous_regs. Compute which hard regs
7053 arseudo): New static function.
7054 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7055 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7056 hard registers explicitly used across the current insn into the set.
7057 Compute hard_reg_n_uses taking only pseudos live across this insn
7059 Tweak sorting of potential_reload_regs.
7060 (compare_spill_regs): Delete function.
7061 (reload_as_needed): Don't sort the spill_regs array, it's computed
7062 in proper order in finish_spills.
7063 Delete avoid_return_reg kludge.
7064 Delete code to manage basic_block_needs.
7065 (allocate_reload_reg): Minor speed/readability tweaks.
7066 Operate on elements of CHAIN instead of global variables.
7067 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7068 Delete avoid_return_reg kludge.
7069 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7070 Delete unused label FAIL.
7071 (reload_combine): Replce reload_address_index_reg_class with
7073 Don't use used_spill_regs to determine information about lifetime of
7076 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7078 * toplev.c (display_help): Ignore empty target specific
7079 options, and if -W is also specified on the command line then
7080 display undocumented options.
7082 * config/arm/arm.c: Updated with changes in devo sources.
7083 * config/arm/arm.h: Updated with changes in devo sources.
7084 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7085 * config/arm/lib1thumb.asm: Add ELF support.
7087 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
7089 * collect2.c (aix64_flag): New variable.
7090 (main, case 'b'): Parse it.
7091 (GCC_CHECK_HDR): object magic number must match mode.
7092 (scan_prog_file): Only check for shared object if valid header.
7093 Print debugging if header/mode mismatch.
7095 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7097 Added support for arm-elf-linux configuration, submitted by Philip
7098 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7099 code developed by Catherine Moore <clm@cygnus.com>. The following
7102 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7105 * configure: Regenerated.
7107 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7108 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7109 definitions conditional on their not having been already defined.
7111 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7112 and .type directives, and add "(PLT)" qualification to function
7115 * config/arm/linux.h: Deleted. This file is now superceeded by
7116 either linux-elf.h or linux-aout.h.
7118 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7119 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7121 Move definitions from old linux.h file here.
7123 * config/arm/elf.h: New file. Generic ARM/ELF support.
7125 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7127 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7129 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7130 using the 26bit APCS.
7132 * config/arm/unknown-elf.h: New file. Support for OS'es other
7133 than Linux with ELF.
7135 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7138 * config/arm/coff.h: Include aout.h for basic assembler macros.
7139 Add support for -mstructure_size_boundary=<n> command line option.
7141 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7142 command line option. Make macro definitions conditional on their
7143 not having been already defined.
7145 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7146 command line option.
7149 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7151 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7152 has been changed to not include a newline. Use this macro instead.
7153 (output_enumeral_list, const_value_attribute, name_attribute,
7154 comp_dir_attribute, prototyped_attribute, producer_attribute,
7155 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7156 dwarfout_file_scope_decl, generate_new_sfname_entry,
7157 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7158 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7160 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7162 * combine.c (subst): Process the inputs to a parallel asm_operands
7165 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7167 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7169 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7171 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7173 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7175 * version.c: Bump for snapshot.
7177 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7179 * stmt.c (expand_fixup): Set fixup->before_jump to a
7180 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7182 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7184 * Makefile.in (recog.o): Depend on toplev.h.
7185 (insn-emit.o): Depend on recog.h.
7186 (insn-peep.o): Depend on recog.h and insn-config.h.
7188 * combine.c (simplify_set): Remove unused variable `scratches'.
7190 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7191 and `idx' in macro conditional controlling their use.
7193 * genemit.c (main): Make the generated output file include
7194 recog.h. Don't have it declare `insn_operand_constraint', since
7195 we get it from recog.h.
7197 * genpeep.c (main): Make the generated output file include
7198 insn-config.h and recog.h.
7200 * recog.c: Include toplev.h.
7201 (extract_insn): Remove unused variable `p'.
7203 * regclass.c (fix_register): Add missing braces around initializer
7205 (allocate_reg_info): Move variable `i' into the scope where it is
7206 used. Change its type to `size_t'.
7208 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7210 * reload.c (push_reload): When merging reloads, make sure
7211 that reload_in_reg and reload_in are from the same reload in
7214 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7216 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7217 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7219 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
7221 * loop.c (loop_has_tablejump): New variable.
7222 (prescan_loop): Scan for it.
7223 (insert_bct): Replace explicit scan with use of it.
7224 * regclass.c (regclass): Restore loop variable j.
7225 (record_reg_classes): Deterine op_types modifiers and initialize
7226 classes[i] before matching constraints. Handle matching
7229 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7231 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7234 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7236 * mips.h (EXTRA_SPECS): Add missing initializers.
7238 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7240 * sparc.h (EXTRA_SPECS): Add missing initializers.
7241 (sparc_defer_case_vector): Provide a prototype.
7243 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7244 comparing it to the result of a pointer subtraction.
7246 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7248 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7249 the argument to (unsigned char).
7251 * alpha.h (EXTRA_SPECS): Add missing initializers.
7252 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7255 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7257 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7258 (propagate_block): Delete dead code after reload.
7260 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7261 back Oct 15, 1998 change.
7262 * haifa-sched.c (update_flow_info): Likewise.
7263 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7265 * mn10200.md (truncated shift): Accept constant inputs too.
7267 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7269 * machmode.h (mode_mask_array): No longer const.
7270 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7272 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7274 * frame.c: Somewhat explain `FDE'.
7275 Suggested by Brendan Kehoe
7277 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7279 * expr.c (pending_chain): Move up.
7280 (save_expr_status): Do save pending_chain.
7281 (restore_expr_status): And restore it.
7282 * function.h (struct function): Add pending_chain.
7284 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7286 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7287 did not match the code.
7289 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7291 * regclass.c (regclass): Break out some code into new function
7292 scan_one_insn, and into regclass_init.
7293 (init_cost): New static variable, moved out of regclass.
7294 (regclass_init): Initialize it here, not in .
7295 (scan_one_insn): New static function, broken out of regclass.
7296 * recog.c (apply_change_group): Break out some code into new
7297 function insn_invalid_p.
7298 (insn_invalid_p): New static fn, broken out of apply_change_group.
7300 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7302 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7303 reg_reloaded_contents matches incremented pseudo.
7305 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7307 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7309 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7310 addressing modes with side effects. These are currently
7311 placeholders for the C4x target.
7313 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7315 * loop.c (express_from): Make sure that when generating a PLUS of
7316 a PLUS, any constant expression appears on the outermost PLUS.
7318 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7320 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7321 works if "$(srcdir)" != ".".
7323 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7325 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7326 existing SUBREG if we can, otherwise abort.
7328 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7330 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7331 `restrict' is applied to a non-pointer variable.
7333 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7335 * invoke.texi: Document -flang-isoc9x.
7337 * Makefile.in (OBJS): Add splay-tree.o.
7338 (c-common.o): Depend on rtl.h.
7339 (splay-tree.o): List dependencies and provide build rule.
7341 * rtl.h (record_alias_subset): New function.
7342 * alias.c: Include splay-tree.h.
7343 (alias_set_entry): New type.
7344 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7345 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7346 (mems_in_disjoin_alias_sets_p): New function.
7347 (alias_set_compare): Likewise.
7348 (insert_subset_children): Likewise.
7349 (get_alias_set_entry): Likewise.
7351 * tree.h (TYPE_RESTRICT): New macro.
7352 (TYPE_UNQUALIFIED): New manifest constant.
7353 (TYPE_QUAL_CONST): Likewise
7354 (TYPE_QUAL_VOLATILE): Likewise.
7355 (TYPE_QUAL_RESTRICT): Likewise.
7356 (tree_type): Add restrict_flag. Reduce count of free bits.
7357 (DECL_POINTER_ALIAS_SET): New macro.
7358 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7359 (tree_decl): Add pointer_alias_set.
7360 (build_qualified_type): New function.
7361 (build_type_variant): Define in terms of build_qualified_type.
7362 * tree.c (set_type_quals): New function.
7363 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7364 (build_type_attribute_variant): Use build_qualified_type and
7366 (build_type_variant): Rename, and modify, to become...
7367 (build_qualified_type): New function.
7368 (build_complex_type): Use set_type_quals.
7370 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7371 (C_TYPE_FUNCTION_P): Likewise.
7372 (C_TYPE_INCOMPLETE_P): Likewise.
7373 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7374 (c_apply_type_quals_to_decl): New function.
7375 (c_build_qualified_type): New function.
7376 (c_build_type_variant): Define in terms of c_build_qualified_type.
7377 (flag_isoc9x): Declare.
7378 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7379 (common_type): Change to use TYPE_QUALS.
7380 (comptypes): Likewise.
7381 (convert_for_assignment): Likewise.
7382 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7383 * c-decl.c (flag_isoc9x): Define.
7384 (c_decode_option): Handle -flang-isoc9x.
7385 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7386 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7387 * c-lex.c (init_lex): Deal with restrict.
7388 (init_lex): Don't treat restrict as a reserved word in
7389 -traditional mode, or without -flang-isoc9x.
7390 * c-lex.h (rid): Add RID_RESTRICT.
7391 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7392 equivalent to RID_RESTRICT.
7393 * c-parse.in (TYPE_QUAL): Update comment.
7394 * c-common.c: Include rtl.h.
7395 (c_find_base_decl): New function.
7396 (c_build_type_variant): Rename, and modify, to become ...
7397 (c_build_qualified_type): New function.
7398 (c_apply_type_quals_to_decl): Likewise.
7399 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7400 a particular alias set for the reference.
7401 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7403 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7405 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7406 command line switches.
7408 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7410 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7413 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7415 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7417 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7419 * regclass.c (fix_register): Add error message.
7420 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7423 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7425 * c-decl.c (warn_missing_noreturn): New global variable.
7426 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7427 (finish_function): Implement missing noreturn warning.
7429 * c-tree.h (warn_missing_noreturn): Declare extern.
7431 * invoke.texi: Document new flags.
7433 * toplev.c (documented_lang_options): Add description.
7435 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7437 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7438 loop optimization stable for the C4x.
7439 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7440 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7441 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7443 (c4x_address_conflict): Be more paranoid when packing a volatile
7444 memref in a parallel load/store.
7446 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7448 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7449 repeat_block_filler): Deleted.
7450 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7451 Condition code not set if destination register from 'c' class.
7452 (*subbqi3_carry_clobber): Fix typo.
7454 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7456 * reorg.c (steal_delay_list_from_target) Check for insns that
7457 modify the condition codes and effect the direction of the jump
7460 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7462 * function.c (purge_addressof_1): Replace call to
7463 emit_insns_before() with emit_insn_before().
7465 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7467 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7469 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7471 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7473 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7475 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7476 clobbered across calls.
7478 * loop.c (scan_loop): Be more selective about what invariants are
7479 moved out of a loop.
7481 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7483 * version.c: Bump for snapshot.
7485 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7487 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7488 static eh_context structure.
7490 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7492 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7494 (try_combine): Don't update max_scratch.
7495 * flow.c (max_scratch, num_scratch): Delete variables.
7496 (life_analysis_1): Don't initialize max_scratch.
7497 (propagate_block): Don't update max_scratch.
7498 (mark_set_1): Don't increment num_scratch.
7499 * regs.h (max_scratch): Delete declaration.
7501 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
7503 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
7504 is nonzero. This is temporary!
7506 * sched.c (update_flow_info): Handle death notes made invalid by
7507 instruction splitting. Partially reverts Oct 15, 1998 patch.
7508 * haifa-sched.c (update_flow_info): Likewise.
7510 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
7512 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
7513 if it has a nonzero DECL_INITIAL.
7515 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7517 * Makefile.in (flow.o): Depend on recog.h.
7519 * cpplib.h (directive_table): Add missing initializiers.
7520 (finclude): Change type of variable `bsize' to size_t.
7522 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
7524 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
7526 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
7527 `int' when comparing against one.
7528 (cpp_file_line_for_message): Mark parameter `pfile' with
7530 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
7532 * flow.c: Include recog.h.
7533 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
7535 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
7536 `f' with ATTRIBUTE_UNUSED.
7537 (reposition_prologue_and_epilogue_notes): Likewise.
7539 * genopinit.c (gen_insn): Cast argument of ctype functions to
7542 * haifa-sched.c: Include recog.h.
7543 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
7544 comparing against one.
7546 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
7548 * mips-tfile.c (parse_end): Cast the argument of ctype function to
7550 (parse_ent): Likewise.
7551 (parse_input): Likewise.
7553 * optabs.c (init_libfuncs): Likewise.
7555 * protoize.c (find_rightmost_formals_list): Likewise.
7557 * recog.h (const_double_operand): Fix typo in prototype.
7559 * tlink.c (scan_linker_output): Cast the argument of ctype
7560 function to `unsigned char'.
7562 * toplev.c (check_lang_option): Cast the result of `strlen' to
7563 `int' when comparing against one.
7565 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7567 * gcse.c (dump_cuid_table): Correct typo.
7569 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7571 * toplev.c (display_help): Prepend '-m' to target specific
7573 (check_lang_option): Ignore text after end of first word of a
7574 language specific option.
7576 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7578 * reload1.c (reg_used_by_pseudo): New static variable.
7579 (choose_reload_regs): Initialize it.
7580 Use it instead of testing spill_reg_order to determine whether a
7581 pseudo is live in a hard register across the current insn.
7582 Fix a typo in a reference to reload_reg_rtx.
7584 * flow.c (propagate_block): Replace code that computes and uses
7585 regs_sometimes_live with simpler code that just walks the set of
7586 currently live registers.
7588 * Makefile.in (insn-extract.o): Fix dependencies.
7589 * genextract.c (main): Generate includes for insn-config.h and
7591 Delete generation of declarations which are now in recog.h.
7592 * genrecog.c (main): Delete generation of definitions which are
7594 * local-alloc.c (block_alloc): Use extract_insn and the variables
7595 it sets up instead of looking up values by insn_code.
7596 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7597 recog_dup_num): Define here instead of generating the definition in
7599 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7600 recog_operand_mode, recog_constraints, recog_operand_address_p):
7602 (extract_insn): New function.
7603 * recog.h (extract_insn): Declare function.
7604 (which_alternative, recog_n_operands, recog_n_dups,
7605 recog_n_alternatives, recog_operand_mode, recog_constraints,
7606 recog_operand_address_p): Declare variables.
7607 * regclass.c (n_occurrences): New static function.
7608 * reload.c (n_occurrences): Delete function.
7609 (find_reloads): Use extract_insn.
7610 * reload.h (n_occurrences): Delete declaration.
7612 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
7614 * reload1.c (reload_as_needed): Fix test for when to call
7615 update_eliminable_offsets.
7617 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7619 Fix consistency problems with reg_equiv_{mem,address};
7620 Improve reload inheritance;
7622 * reload.c (reload_out_reg): New variable.
7623 (loc_mentioned_in_p, remove_address_replacements): New functions.
7624 (remove_replacements): Deleted.
7625 (push_reload): Set reload_out_reg[i].
7626 When merging, also set reload_{in,out}_reg[i], and remove
7627 duplicate address reloads.
7628 (combine_reloads): Copy reload_out_reg[i].
7629 (find_reloads): Do make_memloc substitution also when
7630 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7632 Include *recog_operand_loc in commutativity operand changes.
7633 Generate optional output reloads.
7634 Delete reference to n_memlocs. Don't set *recog_operand_loc before
7635 processing operands. Call make_memloc in reg_equiv_address code.
7636 Set *recog_operand_loc only after processing operands, and only
7637 if replace is true. Return a value.
7638 When changing address reload types for operands that didn't get
7639 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
7640 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
7641 Don't emit USEs for pseudo SUBREGs when not replacing.
7642 (find_reloads_address): Do make_memloc substitution also when
7643 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7645 (find_reloads_toplev): Likewise.
7646 Call make_memloc in reg_equiv_address code.
7647 (debug_reload_to_stream): Add code to output reload_out_reg.
7648 (make_memloc): Delete local variable i, ifdefed out code, and
7649 references to memlocs and n_memlocs.
7650 (memlocs, n_memlocs): Delete.
7651 (push_secondary_reload): Clear reload_out_reg.
7652 (find_reloads_address_1): Provide memrefloc argument to all calls
7653 to find_reloads_address.
7654 In AUTO_INC code, handle non-directly addressable equivalences properly.
7655 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
7656 (find_reloads): Add return type.
7657 (remove_address_replacements, deallocate_reload_reg): Declare.
7658 * reload1.c (num_not_at_initial_offset): No longer static.
7659 (delete_address_reloads, delete_address_reloads_1): Likewise.
7660 (deallocate_reload_reg): New function.
7661 (spill_reg_stored_to): New array.
7662 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
7663 (eliminate_regs_in_insn): Move assignments of previous_offset and
7664 max_offset fields, and recalculation of num_not_at_initial_offset
7665 into new static function:
7666 (update_eliminable_offsets) .
7667 (reload_as_needed): Call update_eliminable_offsetss after calling
7669 Call forget_old_reloads_1 with contents of reloaded auto_inc
7670 expressions if the actual addressing can't be changed to match the
7672 (choose_reload_regs): For inheritance, replace
7673 reload_reg_free_before_p test with reload_reg_used_at_all test, and
7674 remove stand-alone reload_reg_used_at_all test.
7675 Use reload_out_reg to determine which reload regs have output reloads.
7676 Treat reload_override_in more similar to inherited reloads.
7677 Handle (subreg (reg... for inheritance.
7678 For flag_expensive_optimizations, add an extra pass to remove
7679 unnecessary reloads from known working inheritance.
7680 Delete obsolete code for pseudos replaced with MEMs.
7681 Handle inheritance from auto_inc expressions.
7682 (emit_reload_insns): If reload_in is a MEM, set OLD to
7684 Don't reload directly from oldequiv; if it's a pseudo with a
7685 stack slot, use reload_in[j].
7686 Check that reload_in_reg[j] is a MEM before replacing reload_in
7687 from reg_reloaded_contents.
7688 Include non-spill registers in reload inheritance processing.
7689 Also try to use reload_out_reg to set spill_reg_store /
7690 reg_last_reload_reg.
7691 In code to set new_spill_reg_store, use single_set to find out if
7692 there is a single set.
7693 Add code that allows to delete optional output reloads.
7694 Add code to allow deletion of output reloads that use no spill reg.
7695 At the end, set reload_override_in to oldequiv.
7696 Also call delete_output_reload if reload_out_reg is equal to old
7698 Add code to call delete_output_reload for stores with no matching load.
7699 Set / use spill_reg_stored_to.
7700 Handle case where secondary output reload uses a temporary, but
7701 actual store isn't found.
7702 When looking for a store of a value not loaded in order to call
7703 delete_output_reload, count_occurences should return 0 for no
7704 loads; but discount inherited input reloadill_reg_stored_to.
7705 Do checks for extra uses of REG. Changed all
7707 Use delete_address_reloads.
7708 (reload): Take return value of find_reloads into account.
7709 If a no-op set needs more than one reload, delete it.
7710 (reload_reg_free_before_p): RELOAD_FOR_INPUT
7711 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
7712 for the same operand.
7713 (clear_reload_reg_in_use): Check for other reloads that keep a
7715 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
7716 RELOAD_FOR_OPADDR_ADDR.
7717 Take into account when an address address reload is only needed
7718 for the address reload we are considering.
7719 (count_occurrences): Use rtx_equal_p for MEMs.
7720 (inc_for_reload): Return instruction that stores into RELOADREG.
7721 New argument two, IN, and rtx. Changed all callers.
7722 (calculate_needs_all_insns, reload_as_needed):
7723 Don't clear after_call for a CLOBBER.
7724 Keep track of how many hard registers need to be copied from
7725 after_call, and don't clear after_call before we have seen
7726 that much copies, or we see a different instruction.
7728 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
7730 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
7731 after reload has completed.
7733 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
7735 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
7736 a macro name and the next token with a single blank if that whitespace
7737 is in a macro buffer and the next token is not '('.
7739 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
7741 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
7743 (skip_if_group): Ditto.
7744 (skip_to_end_of_comment): Ditto.
7746 (discard_comments): Ditto.
7747 (change_newlines): Ditto.
7749 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
7751 * c-lex.c (yylex): Fix unaligned access of wchar_t.
7753 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
7755 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
7756 (TARGET_OPTIONS): Add --help documentation.
7758 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7760 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
7762 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
7764 * fixinc/* Moved in from ../contrib directory in preparation
7765 for integrating it into the normal build process. In particular,
7766 fixinc/Makefile.in must be config-ed into the build directory
7767 as fixinc/Makefile. Proposed patches to ./Makefile.in and
7768 ./configure.in will be "in the mail" momentarily.
7770 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
7772 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
7773 accidently walk into the free list. Comment how that can happen.
7774 (invalidate): Fix indentation.
7776 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7777 Jeffrey A Law (law@cygnus.com)
7779 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
7780 reload. Never perform rescans of the insn chain after reload.
7781 (propagate_block): Do not delete insn or create new autoinc addressing
7784 * jump.c (jump_optimize): Unconditionally use the code that was
7785 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
7786 * reload1.c (reload): When reloading is finished, delete all
7787 REG_DEAD and REG_UNUSED notes.
7788 (emit_reload_insns): Delete all code that was conditional on
7789 PRESERVE_DEATH_INFO_REGNO_P.
7790 (no_longer_dead_regs): Delete variable.
7791 (reload_cse_delete_death_notes): Delete function.
7792 (reload_cse_no_longer_dead): Delete function.
7793 (reload_cse_regs_1): Delete all code to handle deletion of death
7795 (reload_cse_noop_set_p): Likewise.
7796 (reload_cse_simplify_set): Likewise.
7797 (reload_cse_simplify_operands): Likewise.
7798 (reload_cse_move2add): Likewise.
7799 * reorg.c (used_spill_regs): Delete declaration.
7800 (max_label_num_after_reload): Delete declaration.
7801 (find_dead_or_set_registers): Don't assume that spill regs are
7802 dead at a CODE_LABEL.
7803 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
7805 * sched.c (sched_analyze_insn): Likewise.
7806 (update_flow_info): Likewise.
7807 * haifa-sched.c (sched_analyze_insn): Likewise.
7808 (update_flow_info): Likewise.
7809 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
7810 * toplev.c (max_label_num_after_reload): Delete variable.
7811 (rest_of_compilation): Don't set max_label_num_after_reload.
7812 Call life_analysis after reload_cse_regs if optimizing.
7813 * config/gmicro/gmicro.h: Delete comment referring to
7814 PRESERVE_DEATH_INFO_REGNO_P.
7815 * config/i386/i386.h: Likewise.
7816 * config/m88k/m88k.h: Likewise.
7817 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
7818 * config/sh/sh.h: Likewise.
7820 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
7822 * loop.c (strength_reduce): Restore marking bct_p as
7824 * rs6000.c (optimization_options): Change #ifdef HAIFA to
7825 HAVE_decrement_and_branch_on_count.
7826 (small_data_operand): Remove TARGET_ELF condition for marking
7827 parameters ATTRIBUTE_UNUSED.
7829 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
7831 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
7832 (SELECT_SECTION): Resync with svr4.h.
7834 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
7836 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
7839 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
7841 * c-pragma.c (handle_pragma_token): Test for null tree before
7842 dereferencing TREE_CODE.
7844 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7846 * config/c4x/c4x.c: Convert to use GEN_INT.
7847 (c4x_parallel_process): Rework to handle new repeat loop structure.
7849 * config/c4x/c4x.md: Convert to use GEN_INT.
7850 (rptb_end): Convert to use GE test. Replace uses with clobbers.
7851 (decrement_and_branch_on_count): Likewise.
7853 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
7854 loop.c has the desired functionality.
7855 (rc_reg_operand): New prototype.
7857 * config/c4x/t-c4x: Can now build all front ends.
7859 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
7861 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
7863 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
7865 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
7866 * config/t-rtems: Do not install assert.h -- use newlib's.
7868 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7870 * combine.c (combine_instructions): When finished, call init_recog.
7871 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
7873 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
7875 * toplev.c: If flag_syntax_only, don't open or write assembler file.
7877 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7879 * cppalloc.c (memory_full): Mark function prototype with
7882 * demangle.h (collect_exit): Likewise.
7884 * fix-header.c (v_fatal, fatal): Likewise.
7886 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
7889 * gcov.c (print_usage): Likewise.
7891 * genattr.c (fatal, fancy_abort): Likewise.
7893 * genattrtab.c (fatal, fancy_abort): Likewise.
7895 * gencodes.c (fatal, fancy_abort): Likewise.
7897 * genconfig.c (fatal, fancy_abort): Likewise.
7899 * genemit.c (fatal, fancy_abort): Likewise.
7901 * genextract.c (fatal, fancy_abort): Likewise.
7903 * genflags.c (fatal, fancy_abort): Likewise.
7905 * genopinit.c (fatal, fancy_abort): Likewise.
7907 * genoutput.c (fatal, fancy_abort): Likewise.
7909 * genpeep.c (fatal, fancy_abort): Likewise.
7911 * genrecog.c (fatal, fancy_abort): Likewise.
7913 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
7914 __sjpopnthrow, __throw): Likewise.
7916 * objc/objc-act.c (objc_fatal): Likewise.
7918 * protoize.c (usage, aux_info_corrupted,
7919 declare_source_confusing): Likewise.
7921 * rtl.c (dump_and_abort): Likewise.
7923 * rtl.h (sets_cc0_p): Likewise.
7925 * toplev.c (float_signal, pipe_closed): Likewise.
7927 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7929 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
7930 when generating the decision tree for the general case.
7932 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
7933 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
7935 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7937 * Makefile.in (sched.o): Depend on recog.h.
7939 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
7940 (unsigned) when comparing against one.
7941 (find_base_value): Likewise.
7942 (record_base_value): Cast variable `regno' to (unsigned) when
7943 comparing against one. Cast the result of REGNO() macro to
7944 (unsigned) when comparing against one.
7945 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
7947 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
7948 variable where an unsigned index is needed.
7950 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
7951 before comparing against one.
7953 * collect2.c: Add prototypes for functions `error', `fatal' and
7954 `fatal_perror'. Make these functions take variable arguments
7955 instead of faking it with a fixed number of args.
7956 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
7959 * combine.c (can_combine_p): Mark parameter `pred' with
7961 (find_split_point): Cast variable `src' to (unsigned
7962 HOST_WIDE_INT) when comparing against one.
7963 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
7964 (simplify_logical): Likewise.
7965 (force_to_mode): Cast result of INTVAL() macro to (unsigned
7966 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
7967 HOST_WIDE_INT) in shift.
7968 (simplify_and_const_int): Cast result of INTVAL() macro to
7969 `unsigned HOST_WIDE_INT' when comparing against one.
7970 (merge_outer_ops): Cast variable const0 to `unsigned
7971 HOST_WIDE_INT' when comparing against the result of
7972 GET_MODE_MASK() macro.
7973 (simplify_comparison): Likewise for variable `c0'. Cast variable
7974 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
7975 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
7976 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
7977 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
7978 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
7979 comparing against one.
7980 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
7982 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
7983 macro to `unsigned HOST_WIDE_INT' when comparing against one.
7984 (output_block_move): Cast `sizeof' expression to (int) when
7985 comparing against one.
7986 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
7988 (save_restore_insns): Cast `base_offset' to `long' to match format
7989 specifier in fprintf.
7991 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
7992 to `enum machine_mode'.
7994 * flow.c (life_analysis_1): Remove unused variable `insn'.
7996 * gcc.c (translate_options): Move variables `j' and `k' into the
7997 scope in which they are used. Change their types to `size_t'.
7998 (set_spec): Cast the argument of ctype macro to `unsigned char'.
7999 (read_specs): Likewise.
8000 (process_command): Cast `sizeof' to (int) when comparing against one.
8001 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
8002 (handle_braces): Cast both sides of `==' expression to `long' to
8003 ensure sign matching.
8004 (main): Cast variable `i' to `int' when comparing against one.
8006 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
8007 int to size_t. Cast variable `i' to size_t when comparing against
8010 * genattrtab.c (convert_set_attr_alternative): Remove unused
8011 parameter `insn_code'. All callers changed.
8012 (convert_set_attr): Likewise.
8014 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
8015 size_t when comparing against one. Likewise for variable `len'.
8017 * global.c (global_alloc): Cast variable `max_regno' to size_t
8018 when comparing against one. Likewise for variable `max_allocno'.
8020 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
8022 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
8023 `set' with ATTRIBUTE_UNUSED.
8024 (find_free_reg): Cast `sizeof' expression to (int) when comparing
8027 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
8028 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
8029 (get_condition): Cast variable `const_val' to `unsigned
8030 HOST_WIDE_INT' when comparing against one. Cast unsigned
8031 expression to HOST_WIDE_INT when comparing against one.
8032 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
8033 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
8034 `unsigned' when comparing against one.
8036 * protoize.c (is_id_char): Change type of parameter `ch' to
8038 (munge_compile_params): Cast argument of ctype macro to (const
8040 (process_aux_info_file): Cast variable `aux_info_size' to int when
8041 comparing against one.
8042 (forward_to_next_token_char): Cast argument of ctype macro to
8043 `const unsigned char'.
8044 (edit_formals_lists): Likewise.
8045 (find_rightmost_formals_list): Likewise.
8046 (add_local_decl): Likewise.
8047 (add_global_decls): Likewise.
8048 (edit_fn_definition): Likewise.
8049 (do_cleaning): Likewise.
8050 (scan_for_missed_items): Likewise.
8051 (edit_file): Cast variable `orig_size' to (int) when comparing
8053 (main): Cast argument of ctype macro to `const unsigned char'.
8055 * recog.c (const_int_operand): Mark parameter `mode' with
8058 * regclass.c (record_reg_classes): Change type of variable `c' to
8059 `unsigned char'. Cast `char' array index to `unsigned char'.
8061 * reload.c (push_secondary_reload): Cast argument to
8062 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8064 * reload1.c (calculate_needs): Cast `char' array index to
8066 (set_label_offsets): Change type of variable `i' to unsigned int.
8067 Cast result of XVECLEN() macro to unsigned when comparing against
8069 (mark_not_eliminable): Change type of variable `i' to unsigned.
8070 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8071 when comparing against one.
8072 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8073 comparing against one.
8074 (choose_reload_regs): Hide unused label `fail'.
8075 (reload_cse_simplify_operands): Cast `char' array index to
8077 (reload_combine_note_store): Mark parameter `set' with
8078 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8080 (reload_cse_move2add): Remove unused variable `src2'.
8082 * sched.c: Include recog.h.
8083 (sched_note_set): Remove unused parameter `b'. All callers
8085 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8086 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8087 when comparing against one.
8089 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8090 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8091 comparing against one.
8093 * unroll.c (precondition_loop_p): Remove unused parameter
8094 `loop_end'. All callers changed.
8096 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8098 * reload1.c (maybe_fix_stack_asms): New static function.
8101 * reload.h (compute_use_by_pseudos): Declare.
8103 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8104 (something_needs_reloads): Delete variable.
8105 (finish_spills): New function.
8106 (compute_use_by_pseudos): New function.
8108 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8109 Use the reload_insn_chain instead of walking the rtl directly.
8111 (reload): Allocate and free spilled_pseudos.
8112 Ensure that all calls of spill_hard_reg are followed by a call to
8114 Use the insns_need_reload list instead of something_needs_reloads
8115 to find out if reload_as_needed must be called.
8116 Clear unused_insn_chains at the end.
8118 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8120 Delete code to keep track of current basic block.
8121 Walk reload_insn_chain instead of the rtl structure. Build the
8122 insns_need_reload chain.
8123 Remember which insns need reloading/elimination by setting the
8124 appropriate fields in struct insn_chain, not by putting modes on the
8127 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8128 arg INSN. All callers changed.
8129 Delete declaration of struct needs.
8130 Don't set something_needs_reloads.
8131 Record insn needs in the CHAIN argument.
8133 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8135 (reload_as_needed): Lose FIRST arg. All callers changed.
8136 Walk the reload_insn_chain instead of the rtx structure.
8137 Delete code to keep track of current basic block.
8138 Rename one of the NEXT variables to OLD_NEXT.
8140 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8142 (choose_reload_regs): Likewise.
8144 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8147 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8148 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8149 (hard_regs_live, hard_regs_need_restore): Delete variables.
8150 (n_regs_saved): Now static.
8151 (referenced_regs, this_insn_sets): New variables.
8153 (setup_save_areas): Restructure the code a bit.
8155 (restore_referenced_regs): Delete function.
8156 (mark_referenced_regs): New function, similar to the old
8157 restore_referenced_regs, but mark registers in referenced_regs.
8159 (clear_reg_live): Delete function.
8160 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8161 Only mark registers in this_insn_sets.
8163 (save_call_clobbered_regs): Rework this function to walk the
8164 reload_insn_chain instead of using the list of instructions directly.
8165 Delete code to keep track of register lives, compute live regs on the
8166 fly from information in the chain.
8167 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8168 then walk the set it computes and call insert_restore as appropriate.
8170 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8172 Restructure the code a bit. Test hard_regs_saved instead of
8173 hard_regs_need_restore.
8174 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8175 args. All callers changed.
8176 Restructure the code a bit. Use TO_SAVE to determine which regs to
8177 save instead of more complicated test.
8178 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8180 Create a new insn_chain structure for the new insn and place it
8183 * rtl.texi: Update documentation to reflect that reload no longer
8184 puts modes on the insns.
8186 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8188 * function.c (purge_addressof_1): Force the first argument of a
8189 CALL insn to memory.
8191 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8193 * rtl.h: Delete duplicate prototypes. Add some missing
8195 * rtlanal.c: (for_each_rtx): Formatting tweak.
8197 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8199 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8200 to be compatible with TI compiler.
8202 * Makefile.in (USER_H): Add va-c4x.h to definition.
8204 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8206 * function.c (purge_addressof_1): Fix typo in inequality: do
8207 bitfield optimization for equal mode sizes.
8208 * expmed.c (store_bit_field): Don't take subregs of subregs in
8209 the movstrict case. Tidy a potential problem in the multi-word case.
8210 (extract_bit_field): Likewise.
8212 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8214 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8216 Compute max_uid_for_flow by calling get_max_uid after the scan.
8217 (find_basic_blocks_1): Don't emit NOPs here.
8219 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8221 * alias.c (base_alias_check): Accept new args for the modes of the
8222 two references. Use them to determine if an AND can overlap. Update
8224 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8225 to determine if an AND can overlap.
8227 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8229 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8230 check. Add comment to document problems with TARGET_SUN_FPA version
8232 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8234 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8236 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8238 * c-common.c (print_char_table): Add missing initializers.
8239 (scan_char_table): Likewise.
8240 (time_char_table): Likewise.
8242 * c-decl.c (c_decode_option): Mark parameter `argc' with
8244 (declare_parm_level): Mark parameter `definition_flag' with
8247 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8248 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8251 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8253 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8255 (expand_call): Cast result of MIN() to (unsigned int) when
8256 comparing against an unsigned value.
8258 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8260 (make_definition): Remove unused parameter `op'. All callers
8262 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8263 comparing against the result of pointer arithmetic.
8265 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8266 when comparing against one.
8268 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8269 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8271 (output_die): Move variable `i' into the scope in which it is
8272 used. Change its type to `unsigned'.
8273 (output_die): Cast the result of `strlen' to (int) when passing it
8274 to ASM_OUTPUT_ASCII().
8275 (output_pubnames): Likewise.
8276 (output_line_info): Likewise.
8278 * emit-rtl.c (global_rtl): Add missing initializers.
8280 * explow.c (promote_mode): Mark parameter `for_call' with
8283 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8284 `unsigned HOST_WIDE_INT' when comparing against one.
8285 (synth_mult): Change type of variable `cost' to int.
8286 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8288 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8289 when comparing against one.
8290 (get_inner_reference): Change variable `alignment' to unsigned.
8291 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8292 int) when comparing against one.
8293 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8295 * fold-const.c (div_and_round_double): Cast BASE to
8296 (HOST_WIDE_INT) when comparing against one.
8298 * gencheck.c: Include gansidecl.h.
8299 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8301 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8302 `tcode' with ATTRIBUTE_UNUSED.
8304 * real.c (edivm): Cast constant value to (unsigned long) in
8305 expression compared against an unsigned value.
8307 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8308 comparing against one.
8309 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8310 when comparing against one.
8312 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8313 (unsigned int) when comparing against one. Likewise for
8315 (smallest_mode_for_size): Likewise.
8316 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8317 (restore_storage_status): Likewise.
8319 * toplev.c (debug_args): Add missing initializer.
8320 (f_options): Spelling correction. Add missing initializers.
8321 (documented_lang_options): Likewise.
8322 (debug_end_source_file): Mark parameter `lineno' with
8325 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8326 `decl' and `type' with ATTRIBUTE_UNUSED.
8328 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8329 when comparing against one.
8330 (assemble_variable): Mark parameter `top_level' with
8332 (assemble_external_libcall): Mark parameter `fun' with
8334 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8337 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8339 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8340 Replace use of r5 with use of r19.
8342 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8344 * config/v850/v850.c (compute_register_save_size): Allow for the
8345 fact that helper functions save all registers, not just those used
8348 Replace constant 31 with macro LINK_POINTER_REGNUM.
8350 * config/v850/v850.md: Use 'indirect_operand' rather than
8351 'memory_operand' for bit test/set/clear patterns.
8353 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8355 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8356 * varasm.c (assemble_start_function et al): Don't call
8357 ASM_GLOBALIZE_LABEL for weak symbols.
8359 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8361 * cse.c (equiv_constant): Check for NULL return from
8362 gen_lowpart_if_possible().
8364 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8366 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8368 * collect2.c (main): Pass -EL/-EB through to the compiler.
8370 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8372 * expr.c (push_block): Handle targets where the stack grows
8373 to higher addresses, but args grow to lower addresses and
8374 ACCUMULATE_OUTGOING_ARGS is not defined.
8376 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8378 * config/v850/v850.c (print_operand): Extend meaning
8379 of 'c' operands to support .vtinherit.
8381 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8383 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8384 Added ATTRIBUTE_UNUSED to unused function arguments.
8385 (rc_reg_operand): New predicate.
8386 (c4x_rptb_insert): New function.
8387 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8388 (c4x_optimization_options): New function.
8390 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8391 (decrement_and_branch_on_count): New pattern.
8392 (rptb_top): Modified pattern to work with BCT optimization.
8394 * config/c4x/c4x.h (RC_REG): New register class.
8395 (rc_reg_operand): Define prototype.
8396 (IS_RC_REG): New macro.
8397 (IS_RC_OR_PSEUDO_REG): New macro.
8398 (IS_RC_OR_PSEUDO_REGNO): New macro.
8399 (OPTIMIZATION_OPTIONS): Define.
8401 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8403 * collect2.c (extract_init_priority): No priority is 65535.
8405 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8407 * Makefile.in (build_tooldir): new variable, same as old
8408 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8409 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8410 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8412 * configure.in (gxx_include_dir): set default based on unlibsubdir
8413 * Makefile.in (tooldir): ditto
8414 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8415 gxx_include_dir, includedir and tooldir
8416 (protoize.o, unprotoize.o): ditto
8418 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8420 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8422 * config/arm/thumb.c (thumb_override_options): Add warning about
8423 PIC code not being supported just yet.
8425 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8427 * flow.c: Update comment.
8428 (notice_stack_pointer_modification): New static function.
8429 (record_volatile_insns): Use it.
8430 (mark_regs_live_at_end): Mark the stack pointer as alive
8431 at the end of the function if current_function_sp_is_unchanging
8433 (life_analysis_1): Set current_function_sp_is_unchanging.
8434 * function.c: Define it.
8435 (init_function_start): Initialize it.
8436 * output.h: Declare it.
8437 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8438 the stack pointer as alive at the end of the function if
8439 current_function_sp_is_unchanging is set.
8440 * i386.c (ix86_epilogue): Optimize the restoring
8441 of the stack pointer.
8443 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8445 * version.c: Bump for snapshot.
8447 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8449 * c-pragma.c (handle_pragma_token): If passed a token instead
8450 of a tree, use that as the pack value.
8452 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8454 * flow.c (find_basic_blocks_1): Fix prototype.
8456 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8458 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8459 (struct tree_decl): New fields no_check_memory_usage.
8460 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8461 (init_attributes): Register it as a new attribute.
8462 (decl_attributes): Set flags on functions given that attribute.
8463 * c-decl.c (duplicate_decls): Merge new attribute.
8464 * expr.h (current_function_check_memory_usage): Declare new var.
8465 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8466 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8467 current_function_check_memory_usage.
8468 * function.h: Add field to struct function.
8469 * function.c (current_function_check_memory_usage): Define it.
8470 (push_function_context_to, pop_function_context_from): Save and
8472 (expand_function_start): Set it, based on global flag and function
8475 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8476 check non-automatic variables, to permit detection of writes to
8477 read-only locations in embedded systems without memory management.
8478 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8479 when emitting chkr_set_right_libfunc call, even if the argument is
8480 BLKmode or variable-sized; don't abort.
8482 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8483 symbols in Pmode, not VOIDmode.
8485 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8487 * cppexp.c: When forcing unsigned comparisons, cast both sides
8490 * cpphash.h: Move static declaration of hashtab[]...
8491 * cpphash.c: ...here.
8493 * cpplib.c: Cast difference of two pointers to size_t before
8494 comparing it to size_t. Cast signed to unsigned
8495 before comparing to size_t. (FIXME: struct argdata should use
8496 unsigned buffer sizes.)
8497 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8498 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8499 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
8500 size_t before comparison.
8502 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
8504 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
8505 (find_basic_blocks_1): Similarly.
8506 * output.h (find_basic_blocks): Fix prototype.
8507 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
8508 find_basic_blocks anymore.
8510 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
8512 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
8513 (sbitmap_free, sbitmap_vector_free): New macros.
8514 * output.h (rtl_dump_file): Declare.
8516 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
8518 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
8520 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8522 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
8524 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
8525 (divide): Remove unused variable `tmp'.
8526 (si_to_float): Cast numeric constant to (SItype) before comparing
8529 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
8531 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
8532 * gcc.c (add_preprocessor_option): Correct typo when allocating
8533 memory, sizeof() argument had one too many `*'.
8534 (add_assembler_option): Likewise.
8535 (add_linker_option): Likewise.
8536 * gcov.c (output_data): Likewise.
8537 * local-alloc.c (memref_used_between_p): Likewise.
8538 (update_equiv_regs): Likewise.
8539 * loop.c (strength_reduce): Likewise.
8540 * reg-stack.c (record_asm_reg_life): Likewise.
8541 (subst_asm_stack_reg): Likewise.
8542 * reorg.c (dbr_schedule): Likewise.
8544 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8546 * flow.c (life_analysis_1): Break out some functions.
8547 (find_basic_blocks_1): Likewise. Also move some variables out and
8549 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
8550 new static var nonlocal_label_list with it.
8551 (active_eh_region, nested_eh_region, label_value_list,
8552 nonlocal_label_list): New static variables.
8553 (make_edges, delete_unreachable_blocks, delete_block): New static
8554 functions, broken out of find_basic_blocks_1.
8555 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
8556 noop_move_p): New static functions, broken out of life_analysis_1.
8558 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
8560 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
8561 Take extra care for op0 now possibly being a subreg.
8562 (extract_bit_field): Likewise.
8563 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
8564 the reg to memory if there is no equal sized integral mode.
8565 * stor-layout.c (int_mode_for_mode): New function.
8566 * machmode.h: Prototype it.
8568 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
8570 * global.c (build_insn_chain): Verify no real insns exist past the
8571 end of the last basic block, then exit the loop.
8573 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
8575 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
8577 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
8579 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
8581 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
8583 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8585 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8587 * flow.c (find_basic_blocks): Correctly determine when a call
8588 is within an exception region.
8590 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8592 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8594 * cpplib.h: Protect from multiple inclusions.
8595 * cpplib.c: Fix minor formatting problems.
8597 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8599 * jump.c (jump_optimize): Revert accidental patch.
8601 * Makefile.in (cpplib.o): Use unlibsubdir.
8603 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8605 * loop.c (get_condition): Allow combine when either compare is
8608 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8610 * version.c: Bump for snapshot.
8612 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
8614 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
8615 (init_lex): Initialize ridpointers[RID_BYREF].
8616 * c-lex.h (enum rid): Add RID_BYREF.
8617 * c-parse.gperf: Add RID_BYREF as a type qualifier.
8618 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
8619 (encode_type_qualifiers): Similarly
8620 * c-gperf.h: Rebuilt.
8622 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
8624 * c-common.c (type_for_mode): Only return TItype nodes when
8625 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8626 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
8627 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8628 (init_decl_processing): Only create TItype nodes when
8629 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8630 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
8631 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8633 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8635 * stmt.c (n_occurrences): New static function.
8636 (expand_asm_operands): Verify that all constrains match in the
8637 number of alternatives.
8638 Verify that '+' or '=' are at the beginning of an output constraint.
8639 Don't allow '&' for input operands.
8640 Verify that '%' isn't written for the last operand.
8641 * reload.c (find_reloads): Abort if an asm is found with invalid
8642 constraints; all possible problems ought to be checked for earlier.
8644 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8646 * flags.h (flag_branch_on_count_reg): Always declare
8647 * toplev.c (flag_branch_on_count_reg): Likewise.
8648 * toplev.c: Fix typos.
8650 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
8653 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
8655 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
8657 (find_basic_blocks_1): Add a nop to the end of a basic block when
8658 a trailing call insn does not have abnormal control flow.
8659 * gcse.c (pre_transpout): New variable.
8660 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
8661 (compute_pre_transpout): Calculate it.
8662 (compute_pre_ppinout): Use it to eliminate impossible placements
8663 due to abnormal control flow through calls.
8664 (compute_pre_data): Call compute_pre_transpout.
8666 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8668 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
8670 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
8672 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
8673 and matching define_insns): Tack on a `use' of the table label, so
8674 flow analysis will recognize a tablejump.
8676 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
8678 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
8679 always end basic blocks for abnormal edge reasons.
8681 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
8683 * config/i386/i386.h: Remove definition of
8684 HANDLE_PRAGMA_PACK_PUSH_POP.
8686 * config/i386/go32.h: Add definition of
8687 HANDLE_PRAGMA_PACK_PUSH_POP.
8689 * config/i386/win32.h: Add definition of
8690 HANDLE_PRAGMA_PACK_PUSH_POP.
8692 * config/i386/cygwin32.h: Add definition of
8693 HANDLE_PRAGMA_PACK_PUSH_POP.
8695 * c-pragma.c (insert_pack_attributes): Do not insert
8696 attributes unless #pragma pack(push,<n>) is in effect.
8698 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
8700 * expr.c (emit_group_store): Handle a PARALLEL destination.
8702 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
8704 * gcse.c (pre_insert_insn): When a call ends a bb, insert
8705 the new insns before the argument regs are loaded.
8707 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8709 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
8710 (c-parse.gperf): Update comments describing invocation flags.
8711 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
8713 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
8715 * reload1.c (reload): Call free before clobbering the memory
8716 locations or constants pointers.
8718 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8720 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
8721 for efficiency by checking whether we need to modify the current
8722 stack permission at all.
8723 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
8724 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
8725 __enable_execute_stack libcall here too if
8726 TRANSFER_FROM_TRAMPOLINE is defined.
8727 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
8730 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
8732 * Makefile.in (DRIVER_DEFINES): Remove last change.
8734 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8736 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
8737 insns we're going to copy.
8738 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
8740 * loop.c (count_one_set): Add prototype.
8742 * caller-save.c (restore_referenced_regs): Lose mode argument.
8743 (insert_save): Lose mode argument.
8744 (insert_restore): Lose mode argument.
8745 (insert_one_insn): Lose mode argument.
8746 (save_call_clobbered_regs): Lose mode argument.
8747 (setup_save_areas): Take no argument and return void. All callers
8749 Don't verify validity of memory addresses.
8750 * reload.h (setup_save_ares): Adjust prototype.
8751 (save_call_clobbered_regs): Likewise.
8752 * reload1.c (delete_caller_save_insns): New function.
8753 (caller_save_spill_class): Delete variable.
8754 (caller_save_group_size): Delete variable.
8755 (reload): Call setup_save_areas and save_call_clobbered_regs
8756 in the main loop, before calling calculate_needs_all_insns.
8757 Don't call save_call_clobbered_regs after the loop.
8758 Call delete_caller_save_insns at the end of an iteration if
8760 Delete code to manage caller_save_spill_class.
8761 Emit the final note before setting reload_first_uid.
8762 Simplify test that determines whether reload_as_needed gets run.
8763 (calculate_needs): Delete code to manage caller_save_spill_class.
8765 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
8767 * collect2.c (main): Initialize ld_file_name.
8769 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
8771 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
8772 check for flag_function_sections.
8774 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8776 * cse.c (insert_regs): Fix bug in Sep 24 change.
8778 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8780 * flags.h (flag_dump_unnumbered): Declare.
8781 * toplev.c (flag_dump_unnumbered): Don't declare.
8782 * print-rtl.c (flags.h): Include.
8783 (print_rtl_single): Add return value.
8784 * rtl.h (print_rtl_single): Update declaration.
8785 * flow.c (flag_dump_unnumbered): Don't declare.
8786 (print_rtl_with_bb): Use return value of print_rtl_single.
8788 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8790 * loop.c (count_one_set): New static function, broken out of
8792 (count_loop_regs_set): Call it.
8793 * global.c (mark_reg_store): Handle clobbers here by not calling
8795 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
8796 is in fact a clobber.
8797 * integrate.c (process_reg_param): New function, broken out of
8798 expand_inline_function.
8799 (expand_inline_function): Call it.
8802 * i386.md (addsidi3_1): Delete unused variable temp.
8803 (addsidi3_2): Likewise.
8804 (clstrstrsi): Delete unused variable addr1.
8806 * rtl.h: Don't declare any functions also declared in recog.h.
8808 * Makefile.in (stupid.o): Update dependencies.
8809 (global.o): Likewise.
8811 * global.c: Include reload.h
8812 (reg_becomes_live): New function.
8813 (reg_dies): New function.
8814 (build_insn_chain): New function.
8815 (global_alloc): Call build_insn_chain before calling reload.
8817 * reload.h (struct needs): New structure definition.
8818 (struct insn_chain): Likewise.
8819 (reload_insn_chain): Declare variable.
8820 (new_insn_chain): Declare function.
8823 * reload1.c (reload_startobj): New variable.
8824 (reload_insn_chain): New variable.
8825 (unused_insn_chains): New variable.
8826 (new_insn_chain): New function.
8827 (init_reload): Initialize reload_startobj, not reload_firstobj.
8828 (reload): Initialize reload_firstobj.
8829 Before returning, free everything on the reload_obstack.
8831 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
8832 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
8833 current_chain): New variables.
8834 (reg_where_born): Delete variable.
8835 (REG_WHERE_BORN): New macro.
8836 (find_clobbered_regs): New function.
8837 (stupid_life_analysis): Don't allocate/free reg_where_born.
8838 Allocate and free reg_where_born_exact, reg_where_born_clobber,
8839 reg_where_dead_chain.
8840 Use REG_WHERE_BORN instead of reg_where_born.
8841 While processing the insns, build the reload_insn_chain with
8842 information about register lifetimes.
8843 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
8844 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
8846 Compute and information about birth and death of pseudo registers in
8847 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
8848 Delete code to set elements of reg_where_born.
8850 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8852 * tree.def (GOTO_EXPR): Modified documentation.
8853 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
8856 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
8858 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
8859 loop_final_value, loop_comparison_code): No longer static.
8860 (unroll_loop): Delete loop_start_value update.
8861 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
8862 loop_final_value, loop_comparison_code): Extern.
8863 (loop_start_value): Delete extern.
8864 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
8865 loop_comparison_value, loop_comparison_code): Delete.
8866 (loop_optimize): Remove initialization for deleted variables.
8867 (strength_reduce): Delete analyze_loop_iterations call. Only call
8868 insert_bct if flag_branch_count_on_reg set.
8869 (analyze_loop_iterations): Delete.
8870 (insert_bct): Remove iteration count calculation. Move checks for
8871 viable BCT optimization to here. Obtain iteration count from
8872 loop_iterations and correct for unrolling. Check for enough
8873 iteration to be beneficial. Comment out runtime iteration count
8875 (insert_bct): Print iteration count in dump file. Remove
8876 loop_var_mode and use word_mode directly.
8878 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
8879 * rs6000.c (rs6000_override_options): Use it.
8880 (optimization_options): Enable use of flag_branch_on_count_reg.
8881 * rs6000.md (define_function_unit): Describe 604e.
8883 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8885 * loop.c (move_movables): Corrected threshold calculation for
8886 moved_once registers.
8888 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8890 * loop.c (combine_givs_p): Fix test for identical givs.
8892 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
8894 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
8895 call abort if the function is already defined.
8897 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
8899 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
8900 truncation is not a no-op.
8902 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
8904 * version.c: Bump for snapshot.
8906 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
8908 * version.c: Bump for snapshot.
8910 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
8912 * expmed.c (expand_divmod): Don't widen for computing remainder
8913 if we seem to have a divmod pattern for needed mode.
8915 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8917 * cpplib.c (macroexpand): Correct off-by-one error in handling
8920 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
8922 * combine.c (expand_field_assignment): Don't do bitwise operations
8923 on MODE_FLOAT; pun to MODE_INT if possible.
8925 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
8926 scott snyder <snyder@d0sgif.fnal.gov>
8928 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
8929 linker. Recognize mangled names in quotes.
8931 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8933 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
8934 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
8935 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
8936 (lshrsi3_extend, lshrsi3_extend2): Ditto.
8938 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8940 * function.c (purge_addressof_1): If trying to take a sub-word
8941 integral piece of a floating point mode, put it on the stack.
8943 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
8945 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
8947 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8949 * PROJECTS: Remove template friends.
8951 * collect2.c (sort_ids): Remove unused variable.
8953 * tm.texi (MATH_LIBRARY): Document.
8954 (NEED_MATH_LIBRARY): Remove.
8956 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
8957 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
8959 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
8961 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
8962 last_end to 0x7fffffff.
8964 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8966 * function.c (purge_addressof_1): Do not perform endianness
8967 corrections on bitpos, who we call will do it for us.
8969 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
8971 * h8300.c (WORD_REG_USED): Fix typo.
8972 (initial_offset): Use WORD_REG_USED.
8974 * h8300.c (handle_pragma): Fix typo.
8976 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8978 * caller-save.c (insert_save_restore): Break this function up
8979 into new functions insert_restore, insert_save and insert_one_insn.
8980 All callers changed.
8981 (insert_restore): New function, mostly broken out of
8982 insert_save_restore.
8983 (insert_save): Likewise.
8984 (insert_one_insn): Likewise.
8985 (restore_referenced_regs): New argument BLOCK. All callers changed.
8986 (save_call_clobbered_regs): Don't keep track of basic block boundaries
8987 in this function, do it in insert_one_insn instead.
8989 * reload1.c (reload): Break out some more pieces into separate
8991 (dump_needs): New function, broken out of reload.
8992 (set_initial_elim_offsets): Likewise.
8993 (init_elim_table): Likewise.
8994 (update_eliminables): Likewise.
8996 * global.c (global_alloc): Delete code to manage the scratch_list.
8997 * local-alloc.c (qty_scratch_rtx): Delete.
8998 (scratch_block): Delete.
8999 (scratch_list): Delete.
9000 (scratch_list_length): Delete.
9001 (scratch_index): Delete.
9002 (alloc_qty_for_scratch): Delete.
9003 (local-alloc): Update initialization of max_qty.
9004 Delete code to manage the scratch list.
9005 Delete code to allocate/initialize qty_scratch_rtx.
9006 (block_alloc): Don't allocate quantities for scratches.
9007 Delete code to manage the scratch list.
9008 * regs.h (scratch_list): Delete declaration.
9009 (scratch_block): Delete declaration.
9010 (scratch_list_length): Delete declaration.
9011 * reload1.c (reload): Delete code to manage the scratch list.
9012 (spill_hard_reg): Likewise.
9013 (mark_scratch_live): Delete.
9015 * recog.c (alter_subreg): Delete declaration.
9017 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9019 * Makefile.in (cccp.o): Fix typo in last patch.
9021 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9023 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
9024 * config/sh/lib1funcs.asm (___set_fpscr): Add.
9026 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
9028 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
9029 NULL_RTX as an argument.
9031 * Makefile.in (unlibsubdir): Define.
9032 (DRIVER_DEFINES): Use unlibsubdir.
9033 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
9034 (stmp-fixinc): Similarly.
9036 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
9038 * regmove.c (regmove_optimize): Add variable old_max_uid.
9039 At the end of the function, update basic_block_end.
9041 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9043 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
9044 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9047 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9049 * config/arm/arm.c: Improve interworking support.
9051 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9053 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9054 copied from reload_out[r] .
9056 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9058 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9059 with more than three size ranges.
9061 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9063 * rtl.c (mode_name): Add a null string at the end of the array.
9064 (mode_wider_mode): Change type to unsigned char.
9065 (mode_mask_array): New variable.
9066 (init_rtl): Update for mode_wider_mode type change.
9068 * rtl.h (mode_wider_mode): Change type to unsigned char.
9069 (mode_mask_array): Declare.
9070 (GET_MODE_MASK): Use mode_mask_array.
9072 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9074 * calls.c (expand_call) : Encapsulate code into
9075 copy_blkmode_from_reg.
9076 * expr.c (copy_blkmode_from_reg): New function.
9077 * expr.h (copy_blkmode_from_reg): New function.
9078 * integrate.c (function_cannot_inline_p): We can inline
9080 (expand_inline_function): Use copy_blkmode_from_reg
9081 if needed. Avoid creating BLKmode REGs.
9082 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9085 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9087 * config/v850/v850.c: Add function prototypes.
9088 Add support for v850 special data areas.
9090 * config/v850/v850.h: Add support for v850 special data areas.
9092 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9093 HANDLE_PRAGMA_PACK_PUSH_POP.
9094 (push_alignment): New function: Cache an alignment requested
9095 by a #pragma pack(push,<n>).
9096 (pop_alignment): New function: Pop an alignment from the
9098 (insert_pack_attributes): New function: Generate __packed__
9099 and __aligned__ attributes for new decls whilst a #pragma pack
9101 (add_weak): New function: Cache a #pragma weak directive.
9102 (handle_pragma_token): Document calling conventions. Add
9103 support for #pragma pack(push,<n>) and #pragma pack (pop).
9105 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9106 are defined enable HANDLE_PRAGMA_PACK.
9107 Move 'struct weak_syms' here (from varasm.c).
9108 Add pragma states for push and pop pragmas.
9110 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9113 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9114 HANDLE_GENERIC_PRAGMAS.
9116 * varasm.c: Move definition of 'struct weak_syms' into
9118 (handle_pragma_weak): Deleted.
9120 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9122 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9124 * c-decl.c (start_function): Add invocation of
9125 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9127 * tm.texi: Remove description of non-existant macro
9128 SET_DEFAULT_SECTION_NAME.
9130 (HANDLE_SYSV_PRAGMA): Document.
9131 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9133 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9135 * config.sub: Recognize i[34567]86-pc-udk as new target.
9136 * configure.in: Likewise.
9137 * config/i386/t-udk: New file.
9138 * config/i386/udk.h: New file.
9140 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9142 * reorg.c (check_annul_list_true_false): Remove unused variables.
9143 (steal_delay_list_from_target): Add missing "used_annul" variable.
9144 (try_merge_delay_insns): Close out half formed comment.
9146 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9148 * cpplib.c (macroexpand): If arg->raw_before or
9149 arg->raw_after, remove any no-reexpansion escape at the
9150 beginning of the pasted token. Correct handling of whitespace
9151 markers and no-reexpand markers at the end if arg->raw_after.
9153 * toplev.c (documented_lang_options): Recognize -include,
9154 -imacros, -iwithprefix, -iwithprefixbefore.
9155 * cpplib.c (cpp_start_read): Process -imacros and -include
9156 switches at the same time and in command-line order, after
9157 initializing the dependency-output code. Emit properly nested
9158 #line directives for them. Emit a #line for the main file
9159 before processing these switches, and don't do it again
9162 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9164 * function.c (purge_addressof_1): Use bitfield manipulation
9165 routines to handle mem mode < reg mode.
9167 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9169 * reorg.c (try_merge_delay_insns): Account for resources referenced
9170 in each instruction in INSN's delay list before trying to eliminate
9171 useless instructions. Similarly when looking at a trial insn's delay
9174 * reorg.c (check_annul_list_true_false): New function.
9175 (steal_delay_list_from_{target,fallthrough}): Call it and also
9176 refine tests for when we may annul if already filled a slot.
9177 (fill_slots_from_thread): Likewise.
9178 (delete_from_delay_slot): Return newly-created thread.
9179 (try_merge_delay_isns): Use its new return value.
9181 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9183 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9184 used to compute a giv or as some other non-counting use.
9186 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9188 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9189 * local-alloc.c (find_free_reg): Use it.
9190 * global.c (find_reg): Likewise.
9191 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9193 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9194 * caller-save.c (init_caller_save): Use it.
9195 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9197 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9199 * configure.in: Add --enable-cpplib option which uses cpplib
9200 for cpp, but doesn't link cpplib into cc1. Make help text
9201 capitalization consistent.
9202 * configure: Rebuilt.
9204 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9206 * function.c (gen_mem_addressof): If the address REG is
9207 REG_USERVAR_P make the new REG be so also.
9208 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9209 in an attempt to clarify slightly.
9211 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9213 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9214 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9216 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9218 * toplev.c: Fix last patch.
9220 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9222 * loop.c (get_condition): Fix typo in May 9 change.
9224 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9226 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9228 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9230 * toplev.c (documented_lang_options): Spelling corrections.
9232 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9234 * configure.in: new flags --with-ld and --with-as, equivalent
9235 to setting LD and AS environment variables. Test whether
9236 specified arguments are GNU commands, and report them with
9237 checking messages. Use the specified AS for configure
9240 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9242 * gcc.c (find_a_file): when looking for `as' and `ld', return
9243 the DEFAULT program if it exists
9244 * collect2.c (main): use DEFAULT_LINKER if it exists
9246 * gcc.c (find_a_file): the test for existence of a full
9247 pathname was reversed
9249 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9251 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9252 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9254 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9256 * tree.h (TYPE_BINFO): Document.
9258 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9260 * i386-coff.h (dbxcoff.h): Added.
9262 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9264 * toplev.c: fix bad patch around flag_data_sections.
9266 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9268 * reload1.c (reload): Use reload_address_index_reg_class and
9269 reload_address_base_reg_class when setting
9270 caller_save_spill_class. (Patch generated by Jim Wilson:
9273 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9275 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9276 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9277 * expr.c (store_field): Add alias_set parameter. Set the
9278 MEM_ALIAS_SET accordingly, if the target is a MEM.
9279 (expand_assignment): Use it.
9280 (store_constructor_field): Pass 0.
9281 (expand_expr): Likewise.
9283 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9285 * flags.h: Add flag_data_sections.
9286 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9287 (compile_file): Error if flag_data_sections not supported.
9288 * varasm.c (assemble_variable): Handle flag_data_sections.
9289 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9290 * config/mips/elf.h: Likewise.
9291 * config/mips/elf64.h: Likewise.
9292 * invoke.texi: Describe -fdata-sections.
9294 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9296 * invoke.texi (-ffloat-store): Clarify that this option
9297 does not affect intermediate results -- only variables.
9299 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9301 * cpp.texi: Update for Fortran usage from Craig.
9303 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
9305 * rs6000.c (function_arg_boundary): Revert accidental change on
9308 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9310 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9311 (output_mi_thunk): Declare.
9313 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9314 (output_function_profiler): Use r12 for temp, instead of r11 so
9315 that we preserve the static chain register.
9317 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9319 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9321 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9323 * sh.c (gen_shl_sext): Fix case 5.
9325 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9327 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9329 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9331 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9332 accessing variables until they are initialized via va_arg().
9334 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9336 * reload1.c (reload_combine): Initialize set before using.
9338 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9340 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9343 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9345 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9346 operand3 with mask before using it. Patch provided by Jim Wilson.
9348 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9350 * config/sparc/sparc.c (function_value): Perform the equivalent of
9351 PROMOTE_MODE for ARCH64.
9352 (eligible_for_epilogue_delay): Allow DImode operations in delay
9353 slot of a return for ARCH64.
9355 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9357 * sh.md (sqrtsf2): Fix mode of sqrt.
9359 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9361 * reload1.c (choose_reload_regs): Also try inheritance when
9362 reload_in is a stack slot of a pseudo, even if we already got a
9365 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9367 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9368 (reload_cse_regs): New function body: call reload_cse_regs_1,
9369 reload_combine, reload_cse_move2add.
9370 When doing expensive_optimizations, call reload_cse_regs_1 a
9371 second time after reload_cse_move2add.
9372 (reload_combine, reload_combine_note_store): New functions.
9373 (reload_combine_note_use): New function.
9374 (reload_cse_move2add, move2add_note_store): New functions.
9376 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9378 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9379 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9381 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9382 more than 3 such reloads.
9384 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9385 RELOAD_FOR_X_ADDR_ADDR reload.
9387 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9389 * expr.c (store_constructor): When initializing a field that is smaller
9390 than a word, at the start of a word, try to widen it to a full word.
9392 * cse.c (cse_insn): When we are about to change a register,
9393 remove any invalid references to it.
9395 (remove_invalid_subreg_refs): New function.
9396 (mention_regs): Special treatment for SUBREGs.
9397 (insert_regs): Don't strip SUBREG for call to mention_regs.
9398 Check if reg_tick needs to be bumped up before that call.
9399 (lookup_as_function): Try to match known word_mode constants when
9400 looking for a norrower constant.
9401 (canon_hash): Special treatment for SUBREGs.
9403 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9405 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9406 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9407 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9408 and offsets in actual stack trampoline code so they match the
9409 commentary and actually work.
9411 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9413 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9415 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9416 tmake_file. Set extra_parts to needed crt objects.
9417 * configure: Rebuilt.
9418 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9419 (TARGET_DEFAULT): Set if default is v9 or ultra.
9420 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9421 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9422 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9423 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9424 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9425 (TARGET_VERSION): Define.
9426 (MULTILIB_DEFAULT): Define.
9427 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9428 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9429 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9431 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9432 * config/sparc/sparc.c (sparc_override_options): If arch and
9433 pointer size disagree, emit diagnostic and fix it up. If
9434 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9435 V8PLUS in 64-bit mode.
9436 * config/sparc/t-linux64: New file.
9437 * config/sparc/t-sol2-64: New file.
9438 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9439 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9440 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9441 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9442 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9443 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9445 (STARTFILE_SPEC): Set approriately based upon those.
9446 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9447 disposition of DEFAULT_ARCH32_P.
9448 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9449 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9450 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9451 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9452 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9454 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9456 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9458 * rtl.h (init_virtual_regs): New function.
9459 * emit-rtl.c (init_virtual_regs): Define.
9460 (insn_emit): Use it.
9461 * integrate.c (save_for_inline_copying): Likewise.
9463 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9465 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9466 (enum reg_class): Add NONARG_LO_REGS support.
9467 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9468 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9469 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9470 completes. Re-enable HImode REG+OFFSET addresses.
9471 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9473 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9475 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9477 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9478 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9479 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9481 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9483 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9484 jumps as a single entity, taking into account the size of the
9487 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9489 * tree.def (SWITCH_EXPR): New tree node definition.
9491 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9493 * version.c: Bump for snapshot.
9495 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9497 * version.c: Bump for snapshot.
9499 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
9501 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
9504 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
9506 * Revert this patch.
9507 * reload.c (find_reloads): Do not replace a pseudo with
9508 (MEM (reg_equiv_addr)) in the initializing insn for the
9511 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
9513 * final.c (final_scan_insn): Disable tracking CC across branches.
9515 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9517 * expr.h (eh_rtime_match_libfunc): New extern declaration.
9518 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
9519 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
9520 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
9521 NULL. Only include <stdio.h> if inhibit_libc is not defined.
9523 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
9525 * toplev.c (rest_of_compilation): Skip compiling anything with
9526 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
9528 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
9530 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
9531 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
9532 use in_libcall_block.
9533 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
9534 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
9537 Mon Sep 21 14:02:23 1998
9539 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
9540 typo in no-fancy-math-387 description.
9542 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
9544 * version.c: Bump for snapshot.
9546 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
9548 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
9550 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
9552 * i386.h: (TARGET_SWITCHES) Add description fields for flags
9553 documented in install.texi.
9554 (TARGET_OPTIONS) Likewise.
9556 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
9558 * version.c: Bump for snapshot.
9560 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
9562 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
9563 * cccp.c (main): Likewise.
9565 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
9566 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
9569 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
9571 * Makefile.in (LIBS): Link in libiberty.a.
9572 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
9574 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
9576 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
9577 it to update bb boundaries. Update caller.
9578 * function.c (reposition_prologue_and_epilogue_notes): Update
9579 bb boundaries wrt the moved note.
9581 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
9583 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9585 * configure: Regenerate.
9587 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9589 * alpha.c (alpha_sr_alias_set): New variable.
9590 (override_options): Set it.
9591 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9592 (mode_mask_operand): Fix signed-unsigned comparision warning.
9593 (alpha_expand_block_move): Likewise.
9594 (print_operand): Likewise.
9595 (get_aligned_mem): Use change_address.
9596 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9597 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9598 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9599 (alpha_align_insns): Remade from old alphaev5_align_insns
9600 to handle multiple processors.
9601 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9602 * output.h (label_to_alignment): Prototype.
9604 * tree.c (new_alias_set): New function.
9605 * tree.h (new_alias_set): Declare it.
9606 * c-common.c (c_get_alias_set): Use it.
9608 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9610 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9611 to an ABS expr, convert an unsigned input to signed.
9613 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
9615 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
9617 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9619 * configure.in: Add support for c4x targets.
9620 * configure: Rebuilt.
9622 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
9624 * combine.c (distribute_notes): If an insn is a cc0 user, only
9625 delete it if we can also delete the cc0 setter.
9627 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
9629 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
9630 (invert_truthvalue): Enable truthvalue inversion for
9631 floating-point operands if -ffast-math.
9633 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9635 * configure.in: Disable collect2 for nextstep. Instead use
9637 * configure: Rebuilt.
9638 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
9639 (ENDFILE_SPEC): Define.
9640 (OBJECT_FORMAT_MACHO): Define.
9641 (EH_FRAME_SECTION_ASM_OP): Define.
9642 * crtstuff.c: Handle MACHO.
9644 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
9646 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
9648 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
9650 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
9651 (_fpadd_parts): Get sign right for 0.
9653 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9655 * ginclude/varargs.h: Add support for C4x target.
9656 * ginclude/stdargs.h: Likewise.
9658 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
9660 * alpha.c (alpha_return_addr): SET should be VOIDmode.
9661 (alpha_emit_set_long_const): Rewrite to be callable from reload
9663 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
9664 * alpha.md (movdi): Likewise.
9666 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
9668 * arm.c (add_constant): New parameter address_only, change caller.
9669 Set it non-zero if taking the address of an item in the pool.
9670 (arm_reorg): Handle cases where we need the address of an item in
9673 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
9675 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
9676 memory addresses that are not in standard canonical form.
9678 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
9680 * README.C4X: New file with information about the c4x ports.
9681 * ginclude/va-c4x.h: New file for c4x varargs support.
9682 * config/c4x: New directory with c4x port files.
9684 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
9686 * reload.c (find_reloads): Do not replace a pseudo with
9687 (MEM (reg_equiv_addr)) in the initializing insn for the
9690 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
9692 * toplev.c (rest_of_compilation): Set bct_p on second call to
9694 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
9696 (strength_reduce): Only call analyze_loop_iterations and
9697 insert_bct if bct_p set.
9698 (check_dbra_loop): Fix typo.
9699 (insert_bct): Use word_mode instead of SImode.
9700 (instrument_loop_bct): Likewise. Do not delete iteration count
9701 condition code generation insn. Initialize iteration count before
9703 * rtl.h (loop_optimize): Update prototype.
9705 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
9706 not doubleword aligned.
9708 * rs6000.c (optimization_options): New function.
9709 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
9710 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
9711 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
9712 first; cr1 can be used for FP record condition insns.
9714 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
9716 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
9719 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
9722 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
9724 (block_move_call): New function: Call a library routine to copy a
9726 (m32r_expand_block_move): New function: Expand a "movstrsi"
9727 pattern into a sequence of insns.
9728 (m32r_output_block_move): New function: Expand a
9729 "movstrsi_internal" pattern into a sequence of assembler opcodes.
9730 (m32r_block_immediate_operand): New function: Return true if the
9731 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
9733 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9735 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
9737 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
9739 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9741 * regmove.c (copy_src_to_dest): Check that modes match.
9743 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
9745 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
9747 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
9749 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
9750 narrower than FLOAT_REGS.
9752 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9754 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
9756 * Makefile.in (old_gxx_include_dir): removed
9758 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
9760 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
9763 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
9764 (sh_handle_pragma): Change function arguments to match new
9765 specification for HANDLE_PRAGMA.
9767 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9769 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
9771 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
9772 When generating output, initialize missing struct member to zero.
9774 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9776 * regmove.c (copy_src_to_dest): Don't copy if that requires
9777 (a) new register(s).
9779 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9781 * global.c (reg_allocno): Now static.
9782 * reload1.c (reg_allocno): Delete declaration.
9783 (order_regs_for_reload): Take no arguments. Don't treat regs
9784 allocated by global differently than those allocated by local-alloc.
9786 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9788 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
9789 condition, fix format strings.
9790 (output_function_epilogue): Likewise.
9792 * m68k/m68k.c: Don't include <stdlib.h> directly.
9794 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
9796 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
9797 mem_first_set, mem_last_set; because 0 can be a CUID.
9798 (oprs_unchanged_p): Use new definition.
9799 (record_last_reg_set_info): Likewise.
9800 (record_last_mem_set_info): Likewise.
9801 (compute_hash_table): Likewise.
9803 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
9805 * rs6000.c (output_epilogue): Handle Chill.
9807 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
9808 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
9810 * combine.c (make_extraction): If no mode is specified for
9811 an operand of insv, extv, or extzv, default it to word_mode.
9812 (simplify_comparison): Similarly.
9813 * expmed.c (store_bit_field): Similarly.
9814 (extract_bit_field): Similarly.
9815 * function.c (fixup_var_regs_1): Similarly.
9816 * recog.c (validate_replace_rtx_1): Similarly.
9817 * mips.md (extv, extzv, insv expanders): Default modes for most
9818 operands. Handle TARGET_64BIT.
9819 (movdi_uld, movdi_usd): New patterns.
9821 * pa.c (emit_move_sequence): Do not replace a pseudo with its
9822 equivalent memory location unless we have been provided a scratch
9823 register. Similarly do not call find_replacement unless a
9824 scratch register has been provided.
9826 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9828 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
9831 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
9833 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
9834 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
9835 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
9836 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
9837 * c-decl.c (init_decl_processing): Update accordingly.
9838 * expr.c (expand_builtin): Likewise.
9840 * rtl.h (global_rtl): Add cfa entry.
9841 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
9842 (LAST_VIRTUAL_REGISTER): Update.
9843 * emit-rtl.c (global_rtl): Add cfa entry.
9844 (init_emit): Initialize it.
9845 * function.c (cfa_offset): New.
9846 (instantiate_virtual_regs): Initialize it.
9847 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
9848 (expand_function_end): Call expand_eh_return.
9849 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
9851 * except.c (current_function_eh_stub_label): Kill.
9852 (current_function_eh_old_stub_label): Likwise; update all references.
9853 (expand_builtin_set_return_addr_reg): Kill.
9854 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
9855 (expand_builtin_set_eh_regs): Kill.
9856 (eh_regs): Produce a third reg for the actual handler address.
9857 (eh_return_context, eh_return_stack_adjust): New.
9858 (eh_return_handler, eh_return_stub_label): New.
9859 (init_eh_for_function): Initialize them.
9860 (expand_builtin_eh_return, expand_eh_return): New.
9861 * except.h: Update prototypes.
9862 * flow.c (find_basic_blocks_1): Update references to the stub label.
9863 * function.h (struct function): Kill stub label elements.
9865 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
9866 register number is one that would be in the previous window.
9867 Provide a dummy definition for non-windowed targets.
9868 (get_reg_addr): New function.
9869 (get_reg, put_reg, copy_reg): Use it.
9870 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
9871 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
9873 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
9874 (alpha_init_expanders): Initialize it.
9875 (alpha_expand_epilogue): Use it.
9876 * alpha.h: Declare it.
9877 * alpha.md (eh_epilogue): New.
9879 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
9880 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
9882 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
9884 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
9887 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9889 * except.h (struct eh_entry): Add false_label field.
9890 (end_catch_handler): Add prototype.
9891 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
9892 (start_catch_handler): When using old style exceptions, issue
9893 runtime typematch code before continuing with the handler.
9894 (end_catch_handler): New function, generates label after handler
9895 if needed by older style exceptions.
9896 (expand_start_all_catch): No need to check for new style exceptions.
9897 (output_exception_table_entry): Only output the first handler label
9898 for old style exceptions.
9899 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
9900 mechanism into one function, if a runtime matcher is provided.
9902 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9904 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
9906 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
9908 * integrate.c (copy_decl_list): Fix typo.
9910 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9912 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
9915 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
9917 * version.c: Bump for snapshot.
9919 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
9921 * version.c: Bump for snapshot.
9923 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
9925 * version.c: Bump for snapshot.
9927 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9929 * invoke.texi (C Dialect Options): Put back missing @end itemize.
9931 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9933 * configure.in: remove usage of `!' to negate the result of a
9934 command; some common shells do not support it
9936 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9938 * configure.in: in sparc9-sol2 config, use 'if test' not
9940 * configure: Rebuilt.
9942 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
9944 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
9945 (CPP_CPU_DEFAULT_SPEC): Likewise.
9946 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
9947 for arch64 libfuncs.
9949 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
9952 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9954 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
9956 * collect2.c: Don't declare `sys_siglist' here.
9957 (my_strsignal): Prototype and define new function. Use it in
9958 place of `sys_siglist' hacks.
9960 * mips_tfile.c: Likewise.
9962 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
9963 (GCC_NEED_DECLARATIONS): Likewise.
9965 * system.h (strsignal): Prototype it, if necessary.
9966 (sys_siglist): Declare it, if necessary.
9968 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9970 * loop.c (move_movables): While removing insn sequences, preserve
9971 the next pointer of the most recently deleted insn when we skip
9974 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
9976 * objc/config-lang.in: Do not output the name of the selected
9977 thread file when building the front-end. The Makefile for the
9978 runtime library will do this.
9980 * objc/Make-lang.in: Do not build the runtime library or install
9981 the Objective C header files. The Makefile for the runtime
9982 library will do this.
9984 * objc/Makefile.in (all.indirect): Only build the front-end.
9985 (compiler): Rename to `frontend'.
9986 (obj-runtime): Remove target.
9987 (copy-headers): Likewise.
9988 (clean): No need to remove `libobjc.a' any longer.
9990 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
9992 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
9993 supported with -mcpu=xxx.
9995 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9997 * flow.c (mark_set_1): Recognize multi-register structure return
9998 values in CALL insns.
9999 (mark_used_regs): Likewise.
10000 (count_reg_sets_1): Likewise.
10001 (count_reg_references): Likewise.
10002 * rtlanal.c (note_stores): Likewise.
10003 (reg_overlap_mentioned_p): Likewise.
10004 * haifa-sched.c (check_live_1): Likewise.
10005 (update_live_1): Likewise.
10006 (sched_analyze_1): Likewise.
10007 (sched_note_set): Likewise.
10008 (birthing_insn_p): Likewise.
10009 (attach_deaths): Likewise.
10011 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
10014 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
10016 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
10018 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10020 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
10022 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10024 * configure.in: Add check for GAS subsection -1 support.
10025 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
10026 * configure config.in: Rebuilt.
10027 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
10028 SImode is subsection -1 works, else use DImode.
10029 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
10030 subsection -1 works.
10031 * config/sparc/sparc.c (sparc_output_addr_vec,
10032 sparc_output_addr_diff_vec): Use them if defined.
10034 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
10036 * tree.h (DECL_ORIGIN): New macro.
10037 * integrate.c (copy_and_set_decl_abstract_origin): New function.
10038 (copy_decl_list): Use it.
10039 (integrate_parm_decls): Likewise.
10040 (integrate_decl_tree): Likewise.
10041 * dwarf2out.c (decl_ultimate_origin): Simplify.
10042 * dwarfout.c (decl_ultimate_origin): Likewise.
10043 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
10044 (pushdecl): Likewise.
10046 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10048 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10050 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10052 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10054 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10056 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10057 empty or has a single entry.
10059 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10060 before calling reg_to_stack.
10062 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10064 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10065 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10067 * c-tree.h (warn_long_long): Declare it.
10069 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10071 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10072 initialized float-int union if the value is a NaN.
10074 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10076 * c-lex.c (real_yylex): Don't warn about long long constants if
10077 we're allowing long long
10079 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10081 * except.h (current_function_eh_stub_label): Declare.
10082 (current_function_eh_old_stub_label): Declare.
10083 * function.h (struct function): New members eh_stub_label and
10085 * except.c (current_function_eh_stub_label): New variable.
10086 (current_function_eh_old_stub_label): New variable.
10087 (init_eh_for_function): Clear them.
10088 (save_eh_status): Save them.
10089 (restore_eh_status): Restore them.
10090 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10091 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10092 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10093 make an edge from the block that contains it to the block starting
10094 with the label if this label is one of the eh stub labels.
10095 If eh stub labels exist, show they are reachable from the last block
10098 * reload1.c (reload): Break out several subroutines and make some
10100 (calculate_needs_all_insns): New function, broken out of reload.
10101 (calculate_needs): Likewise.
10102 (find_reload_regs): Likewise.
10103 (find_group): Likewise.
10104 (find_tworeg_group): Likewise.
10105 (something_needs_reloads): New global variable, formerly in reload.
10106 (something_needs_elimination): Likewise.
10107 (caller_save_spill_class): Likewise.
10108 (caller_save_group_size): Likewise.
10109 (max_needs): Likewise.
10110 (group_size): Likewise.
10111 (max_groups): Likewise.
10112 (max_nongroups): Likewise.
10113 (group_mode): Likewise.
10114 (max_needs_insn): Likewise.
10115 (max_groups_insn): Likewise.
10116 (max_nongroups_insn): Likewise.
10117 (failure): Likewise.
10119 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10121 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10123 * loop.c (load_mems): Copy rtx for output mem.
10125 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10127 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10128 mips1 or mips2 either.
10130 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10132 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10134 (pa_adjust_insn_length): Update to work with new marking scheme
10135 for jumps inside switch tables.
10136 * pa.md (switch_jump): Remove pattern.
10137 (jump): Handle jumps inside jump tables.
10139 * Makefile.in (profile.o): Depend on insn-config.h
10141 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10143 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10145 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10147 Add preliminary native sparcv9 Solaris support.
10148 * configure.in: Recognize sparv9-*-solaris2*
10149 * configure: rebuilt
10150 * config.sub: Recognize sparcv9 just like sparc64.
10151 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10152 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10153 32-bit and 64-bit Solaris systems.
10154 * config/sparc/t-sol2: Assemble those with cpp.
10155 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10156 (*TF*_LIBCALL): If ARCH64 use V9 names.
10157 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10159 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10161 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10162 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10164 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10166 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10167 to Pmode if CASE_VECTOR_MODE is something else.
10169 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10171 * prefix.c (update_path): Correctly handle cases where PATH is
10172 a substring of the builtin prefix, but specifies a different
10173 directory location.
10175 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10177 * expr.c: Corrected comment about what MOVE_RATIO does.
10178 * config/alpha/alpha.h: Ditto.
10179 * config/1750a/1750a.h: Ditto.
10180 * config/clipper/clipper.h: Ditto.
10181 * config/i386/i386.h: Ditto.
10183 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10185 * configure.in (m68k-next-nextstep3*): Use collect2.
10186 Similarly for x86 NeXT configurations.
10187 * configure: Rebuilt.
10189 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10191 * configure.in: Don't assume srcdir is .../gcc
10192 * configure: Rebuilt.
10194 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10196 * global.c: Update comments.
10197 (global_alloc): Assign allocation-numbers
10198 even for registers allocated by local_alloc in case
10199 they are later spilled and retry_global_alloc is called.
10200 (mark_reg_store, mark_reg_clobber,
10201 mark_reg_conflicts, mark_reg_death): Always record a
10202 conflict with a pseudo register even if it has been
10203 assigned to a hard register.
10204 (dump_conflicts): Don't list pseudo registers already assigned to
10205 a hard register as needing to be allocated, but do list their
10207 * local-alloc.c: Update comment.
10209 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10211 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10212 * configure: Rebuilt.
10214 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10216 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10218 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10219 for all targets that set -msoft-float.
10221 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10223 * toplev.c (print_switch_values): Make static to match prototype.
10225 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10227 * configure.in: If we are unable to find the "gnatbind" program,
10228 then do not configure the ada subdir.
10229 * configure: Rebuilt.
10231 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10233 * version.c: Bump for snapshot.
10235 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10237 * version.c: Bump for snapshot.
10239 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10241 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10242 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10244 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10246 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10248 * genextract.c: Have insn-extract.c include toplev.h.
10250 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10252 * toplev.c: Include expr.h.
10253 (really_sorry, fancy_abort): Remove prototypes.
10254 (set_target_switch): Add argument in prototype.
10255 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10256 (v_really_sorry): Likewise.
10257 (print_version, print_single_switch, print_switch_values): Make
10258 static and add prototype arguments.
10259 (decl_printable_name): Add prototype arguments.
10260 (lang_expand_expr_t): New typedef.
10261 (lang_expand_expr): Declare as a lang_expand_expr_t.
10262 (incomplete_decl_finalize_hook): Add prototype argument.
10263 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10264 (botch): Likewise for variable `s'.
10265 (rest_of_type_compilation): Mark variables `type' and `toplev'
10266 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10267 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10268 (display_help): Make variable `i' an `unsigned long'.
10269 (main): Remove unused parameter `envp'.
10270 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10271 Cast -1 when comparing it with a `size_t'.
10273 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10274 prototype with ATTRIBUTE_NORETURN.
10275 (fatal_insn_not_found, fatal_insn, really_sorry,
10276 push_float_handler, pop_float_handler): Add prototypes.
10277 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10278 (do_abort, botch): Add prototypes.
10280 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10282 * final.c (final): If a label is reached only from a single jump,
10283 call NOTICE_UPDATE_CC on the jump and its predecessor before
10284 emitting the insn after the label.
10286 * i386.h: Add AMD K6 support.
10287 Change TARGET_* macros to use table lookup.
10288 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10289 (ADJUST_COST): Change definition to call function in i386.c.
10290 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10291 * i386.c: Add AMD K6 support.
10292 Add constants for feature tests used by TARGET_* macros.
10293 (split_di): If before reload, call gen_lowpart and gen_highpart.
10294 (x86_adjust_cost): New function.
10295 (put_jump_code): New function.
10296 (print_operand): New codes 'D' and 'd'.
10297 * i386.md: New insn types. New insn attribute "memory".
10298 Redefine scheduling parameters to use new types and add AMD K6
10299 support. Explicitly set type of most insns.
10300 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10301 Pro and K6 prefer movl $1,reg to incl reg.
10302 (adddi3, subdi3): Set cc_status.
10303 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10304 to int; x86 can't have more than 2^31 DImode shifts per file.
10305 (setcc): Combine all setcc patterns. Allow writing memory.
10306 Combine all jump patterns using match_operator.
10307 (*bzero): Name pattern. Emit mutliple stos instructions when that
10308 is faster than rep stos.
10309 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10312 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10314 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10317 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10319 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10320 not whatever we're generating now.
10322 * alpha.c (set_frame_related_p, FRP): New.
10323 (alpha_expand_prologue): Mark frame related insns.
10324 (alpha_expand_epilogue): Likewise, but with a null FRP.
10325 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10326 * alpha.md (exception_receiver): New.
10327 * alpha/crtbegin.asm (.eh_frame): New beginning.
10328 (__do_frame_setup, __do_frame_takedown): New.
10329 * alpha/crtend.asm (.eh_frame): New ending.
10330 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10331 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10332 (ASM_FILE_START): Don't emit .file for dwarf2.
10334 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10335 * rtl.c (reg_note_name): Likewise.
10336 * rtl.texi (REG_NOTES): Likewise.
10337 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10340 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10342 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10343 * i386.md (movsf, movdf, movxf): Validate memory address returned
10344 from force_const_mem. Kill useless REG_EQUAL setting code.
10346 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10348 * m68k.md (zero_extendsidi2): Fix typo.
10350 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10352 * configure.in: Removed references to the removed file
10353 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10354 * arm*-*-netbsd* and ns32k-*-netbsd*.
10355 * config/i386/xm-netbsd.h: Removed unnecessary file.
10356 * config/m68k/xm-netbsd.h: Likewise.
10357 * config/sparc/xm-netbsd.h: Likewise.
10358 * config/mips/xm-netbsd.h: Likewise.
10360 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10362 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10363 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10365 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10366 for exact section attributions.
10368 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10370 * i386/crtdll.h (CPP_PREDEFINES): Define.
10372 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10374 * m68k.md (5200 movqi): Do not allow byte sized memory references
10375 using address regs.
10376 * m68k.c (output_move_qimode): Do not use byte sized operations on
10379 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10380 explicit rules for building. Similarly for alloca, vfprintf,
10381 choose-temp and mkstemp, getopt, getopt1, and obstack.
10382 (INCLUDES): Add $(srcdir)/../include.
10383 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10384 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10386 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10388 * gcc.c (do_spec_1): [case 'o'] Account for
10389 lang_specific_extra_outfiles.
10390 (main): Correctly clear all slots in outfiles for
10391 lang_specific_extra_outfiles. Set input_file_number before
10392 calling lang_specific_pre_link.
10394 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10396 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10398 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10400 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10402 (sparc_output_deferred_case_vectors): If no work to do, return.
10403 Fix thinko in Sept 1 change.
10405 1998-09-03 SL Baur <steve@altair.xemacs.org>
10407 * Makefile.in: add semicolon in BISON definition for portability.
10409 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10411 * config/nextstep.c (handle_pragma): Correct name of third
10414 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10416 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10417 * config/m32r/m32r.h: Make register 17 be fixed.
10418 * config/m32r/m32r.c: Use SImode for cc operations.
10420 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10422 * invoke.texi (Warning Options): Add -Wnon-template-friend
10425 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10427 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10429 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
10431 * rs6000.md (movsf): Disable explicit secondary-reload-like
10432 functionality if TARGET_POWERPC64.
10433 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10436 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10438 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10439 and term.h from fixinc.wrap.
10441 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10443 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10444 safe to include both string.h and strings.h together.
10445 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10446 which headers to search for function declarations. Continue to
10447 prefer string.h over strings.h when both are not acceptable.
10449 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10451 * configure.in: Call GCC_HEADER_STRING.
10453 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10454 to include. Continue to prefer string.h over strings.h when both
10455 are not acceptable.
10457 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10459 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10460 not assume top 32-bits of symbolic addresses are zero if
10463 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10465 * ginclude/va-alpha.h: Protect entire second portion of the
10466 file against double inclusion.
10468 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10470 Added support for the Boehm's garbage collector.
10471 * configure.in: Handle --enable-objc-gc.
10472 * configure: Rebuilt.
10473 * Makefile.in (CHECK_TARGETS): Add check-objc.
10474 (check-objc): New rule.
10475 * objc/Make-lang.in: Build a different Objective-C library that
10476 runs with the Boehm's collector.
10477 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10478 * objc/encoding.c: Correctly compute the size of compound types in
10479 the presence of bitfields. Skip the variable name of the type if
10480 any. Added support for long long.
10481 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10482 (_F_GCINVISIBLE): New mask.
10483 * objc/gc.c: New file. Compute the type memory mask associated with
10484 a class based on the runtime information.
10485 * objc/misc.c: Added the hooks that use the Boehm's collector
10486 allocation functions.
10487 * objc/objc-act.c (build_class_template): Generate a new class
10488 member (gc_object_type) to hold the class' type memory mask.
10489 (build_shared_structure_initializer): Initialize the new member to
10491 (encode_complete_bitfield): New function. Generate the new
10493 (encode_field_decl): Generate the new encoding only for the GNU
10495 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10497 (class_get_gc_object_type): New function to mark a pointer instance
10498 variable as a weak pointer.
10499 * objc/objc-features.texi: New file.
10500 * objc/objc.h (gc_object_type): New class member.
10501 * objc/objects.c (class_create_instance): Create a typed memory
10502 object when compiled with Boehm's collector support.
10503 * objc/sendmsg.c (__objc_init_install_dtable): Call
10504 __objc_send_initialize instead of setting the initialize flag.
10505 (__objc_send_initialize): Call __objc_generate_gc_type_description
10506 to generate the class type memory mask. Rewrite the code that
10507 sends the +initialize so that it is called only once (bug report
10508 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
10509 * testsuite/objc: New testsuite for Objective-C type encoding.
10510 * testsuite/lib/objc-torture.exp: New file.
10511 * testsuite/lib/objc.exp: New file.
10513 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
10515 * jump.c (jump_optimize): In if/then/else transformations, add
10516 another call to modified_between_p for the jump insn.
10518 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
10520 * fix-header.c (symlink): Treat like readlink.
10522 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10524 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
10527 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
10529 * config/nextstep.h: Update HANDLE_PRAGMA macro.
10530 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
10531 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
10533 * config/nextstep.c (handle_pragma): Take three arguments, as per
10534 the new HANDLE_PRAGMA macro specification.
10535 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
10536 per the new HANDLE_PRAGMA macro specification.
10537 * config/i960/i960.c (process_pragma): Take three arguments, as
10538 per the new HANDLE_PRAGMA macro specification.
10540 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
10542 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
10543 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
10544 if unknown pragmas are encountered.
10545 (handle_sysv_pragma): Interpret return code from
10546 handle_pragma_token (). Return success/failure indication rather
10547 than next unprocessed character.
10548 (pragma_getc): New function: retrieves characters from the
10549 input stream. Defined when HANDLE_PRAGMA is enabled.
10550 (pragma_ungetc): New function: replaces characters back into the
10551 input stream. Defined when HANDLE_PRAGMA is enabled.
10553 * c-pragma.c (handle_pragma_token): Return success/failure status
10556 * c-pragma.h: Change prototype of handle_pragma_token().
10558 * varasm.c: (handle_pragma_weak): Only create this function if
10559 HANDLE_PRAGMA_WEAK is defined.
10561 * c-common,c (decl_attributes): If defined call the expression
10562 contained within the INSERT_ATTRIBUTES macro before adding
10563 attributes to a decl.
10565 * tm.texi (HANDLE_PRAGMA): Document the new verion of
10566 HANDLE_PRAGMA, which takes three arguments.
10567 (INSERT_ATTRIBUTES): Document this new macro.
10569 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
10570 new INSERT_ATTRIBUTES macro.
10572 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10574 * config/sparc/sparc.md (movdf): Only generate special RTL for
10575 LABEL_REFs when PIC.
10576 (move_label_di): Remove
10577 (movdi_pic_label_ref, movdi_high_pic_label_ref,
10578 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
10579 references when PIC.
10580 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
10581 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
10582 output an .xword for all 64-bit cases.
10584 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10586 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10587 alignment, use FUNCTION_BOUNDARY instead.
10588 (sparc_output_deferred_case_vectors): Likewise.
10590 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10592 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10593 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10595 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10597 * alpha/va_list.h: New file.
10598 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10600 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10602 * NEWS: Add SCO Openserver and Unixware 7 notes.
10606 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10608 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10609 (record_constant_1): Handle RANGE_EXPR.
10611 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10613 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
10614 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
10615 and NOTE_INSN_RANGE_END specially.
10616 (reemit_notes): Likewise.
10618 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10620 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
10621 (ultrasparc_sched_init): Remove unneeded &.
10623 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10625 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
10626 for m68020-60, to prevent the use of fintrz.
10628 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
10630 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
10632 * Makefile.in: Likewise.
10633 * configure: Regenerated.
10635 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
10637 * configure.in (gxx_include_dir): Changed to
10638 '${prefix}/include/g++'-${libstdcxx_interface}.
10639 * configure: Rebuilt.
10641 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
10643 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
10645 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
10646 *sequences* *below* which scalar moves will be used.
10648 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
10650 * collect2.c (mktemp): Delete unused declaration.
10652 * config/xm-netbsd.h: Remove unnecessary file.
10653 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
10654 file anymore, it is not needed.
10656 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
10658 * convert.c (convert_to_integer): Issue an error on conversions to
10661 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
10663 * Makefile.in: Add lang_tree_files and gencheck.h.
10664 * configure.in: Generate them.
10665 * gencheck.c: Include gencheck.h.
10667 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10669 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
10670 movdi_lo_sum_pic and movdi_high_pic and make visible.
10671 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
10672 emit these when Pmode is not SImode.
10673 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
10675 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
10677 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
10678 .linkonce directive after the first time.
10680 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
10682 * m68k.md (beq0_di): Generate correct (and more efficient) code when
10683 the clobbered operand overlaps with an input.
10684 (bne0_di): Similarly.
10686 * Makefile.in (INSTALL): Remove "--no-header" argument.
10688 * NEWS: Various updates.
10690 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10692 * config/sparc/sparc.c (arith_operand, const64_operand,
10693 const64_high_operand, arith_double_4096_operand): Mark mode as
10695 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
10697 (sparc_emit_set_const64): Remove unused variable i.
10698 (sparc_splitdi_legitimate): Likewise for addr_part.
10699 (ultra_code_from_mask): Likewise for mask.
10700 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
10701 reverse return values so it matches usage and comments.
10702 (ultra_flush_pipeline): Likewise.
10703 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
10704 this_type, and allow loads and stores of differing FP modes as
10705 they do not create a conflict.
10706 (ultra_find_type): Initialize fpmode to SFmode, fix
10707 parenthesization thinkos in large conditional.
10708 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
10709 Init free_slot_mask after ultra_cur_hist is reset, not before.
10710 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
10711 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
10712 use ultra_flush_pipeline instead, then re-init group pointer.
10713 Fix statement with no effect. If no progress made in, and no
10714 instructions scheduled at all, advance to new pipeline cycle else
10715 we get into an endless loop.
10716 (ultrasparc_adjust_cost): Remove previous arg.
10717 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
10719 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
10721 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
10722 code. Use reg_overlap_mentioned_p to detect when source and
10723 destination overlap.
10724 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
10726 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
10728 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
10729 COMPARISON_VAL, into invariant_p.
10731 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10733 * regmove.c (regclass_compatible_p): New function.
10734 (regmove_optimize): Use it.
10736 Use NREGS parameter insted of calling max_reg_num.
10738 (fixup_match_1): Don't use code = MINUS when later tieing with
10739 a hard register is likely.
10741 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10743 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
10744 COMPARISON_VAL was normalized.
10746 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
10748 * loop.c (check_dbra_loop): The loop ending comparison value
10749 must be an invariant or we can not reverse the loop.
10751 * loop.c (scan_loop): Count down from max_reg_num - 1 to
10752 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
10754 (load_mems_and_recount_loop_regs_set): Likewise.
10756 * i386.c (print_operand): Remove obsolete 'c' docs.
10758 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
10760 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
10761 * frame.c (init_object_mutex): New function.
10762 (init_object_mutex_once): Likewise.
10763 (find_fde): Call it.
10764 (__register_frame_info): Likewise.
10765 (__register_frame_info_table): Likewise.
10766 (__deregister_frame_info): Likewise.
10768 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
10770 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
10772 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10774 * loop.c (check_dbra_loop): Enable code for reversal
10775 of some loops without a known constant loop end.
10777 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
10779 * haifa-sched.c (last_clock_var): New.
10780 (schedule_block): Initialize it.
10781 (schedule_insn): Use it to fill insn modes with issue information.
10783 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
10784 Tag trapb and next insn with TImode.
10785 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
10786 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
10787 Invoke alphaev5_align_insns as appropriate.
10788 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
10789 (MD_SCHED_VARIABLE_ISSUE): New.
10790 * alpha.md (attr type): Add multi.
10791 (define_asm_attributes): New.
10792 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
10793 (arg_home): Likewise.
10794 (fnop, unop, realign): New.
10796 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
10798 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
10799 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
10801 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
10802 (rs6000-ibm-aix4.[12]*): Likewise.
10803 * configure: Regnerate.
10805 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
10807 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
10808 already contains the return address.
10810 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
10812 * calls.c (expand_call): Use bitfield instructions to extract/deposit
10813 word sized hunks when loading unaligned args into registers.
10815 * haifa-sched.c (sched_analyze_insn): Only create scheduling
10816 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
10818 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
10820 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10822 * loop.c (check_dbra_loop): Add some code that would allow reversal
10823 of some loops without a known constant loop end if it were enabled.
10825 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
10827 * mips.md (lshrsi3_internal2+2): Fix type-o.
10829 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10831 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
10832 correctly with regards to stdio.h.
10834 * calls.c: Remove stdarg.h/varargs.h.
10835 * cccp.c: Likewise.
10836 * cexp.y: Likewise.
10837 * combine.c: Likewise.
10838 * cpperror.c: Likewise.
10839 * cpplib.c: Likewise.
10840 * cpplib.h: Likewise.
10841 * doprint.c: Likewise.
10842 * emit-rtl.c: Likewise.
10843 * final.c: Likewise.
10844 * fix-header.c: Likewise.
10846 * genattr.c: Likewise.
10847 * genattrtab.c: Likewise.
10848 * gencodes.c: Likewise.
10849 * genconfig.c: Likewise.
10850 * genemit.c: Likewise.
10851 * genextract.c: Likewise.
10852 * genflags.c: Likewise.
10853 * genopinit.c: Likewise.
10854 * genoutput.c: Likewise.
10855 * genpeep.c: Likewise.
10856 * genrecog.c: Likewise.
10857 * mips-tfile.c: Likewise.
10858 * prefix.c: Likewise.
10859 * protoize.c: Likewise.
10860 * regmove.c: Likewise.
10861 * toplev.c: Likewise.
10862 * tree.c: Likewise.
10864 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10866 * config/sparc/sparc.c (sparc_override_options): If not
10867 TARGET_FPU, turn off TARGET_VIS.
10868 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
10869 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
10870 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
10871 (movdi_insn_sp64): Add VIS fzero alternative.
10872 (clear_sf, clear_df): New VIS patterns.
10873 (movsf, movdf expanders): Allow fp_zero_operand flat out when
10875 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
10877 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
10879 * loop.c (n_times_set, n_times_used, may_not_optimize,
10880 reg_single_usage): Convert to varrays. All uses changed.
10881 (insert_loop_mem): Return a value.
10882 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
10883 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
10886 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
10889 * configure.in: Do not set thread_file to "irix" since no such
10890 support exists yet.
10892 * sparc.md (float abs/neg splits): Check reload_completed before
10893 calling alter_subreg.
10895 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10897 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
10899 * config/sparc/sparc.h: Declare it.
10900 * config/sparc/sparc.md (float abs/neg splits): Use it.
10901 (all other splits): Handle SUBREGs properly where necessary.
10902 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
10904 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
10906 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
10907 an insn on the unfilled_slots_list that has no delay slots.
10908 (fill_eager_delay_slots): Similarly.
10910 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
10912 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
10913 as an ordinary operand.
10915 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
10917 * tree.c (valid_machine_attribute): Don't apply attributes to both
10920 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
10922 * reload.c (operands_match_p): Handle rtvecs.
10924 * i386.c (legitimate_pic_address_disp_p): New.
10925 (legitimate_address_p): Use it.
10926 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
10927 Handle constant pool symbols just like statics.
10928 (emit_pic_move): Use Pmode not SImode for clarity.
10929 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
10930 [UNSPEC]: New, handling what we killed above.
10931 [PLUS]: Detect and abort on invalid symbol arithmetic.
10932 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
10934 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
10936 * alias.c: Include output.h.
10937 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
10938 different if we're in a varargs function.
10939 * Makefile.in (alias.o): Depend on output.h
10941 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10943 * sh.h (GIV_SORT_CRITERION): Delete.
10945 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
10947 * regclass.c (regclass): Use xmalloc/free instead of alloca.
10948 * stupid.c (stupid_life_analysis): Ditto.
10949 * reload1.c (reload): Ditto.
10951 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10953 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
10954 arith_double_4096_operand, arith_double_add_operand): New
10956 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
10957 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
10958 them to transform add/sub 4096 into add/sub -4096.
10960 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10962 * loop.c (scan_loop): Allocate some slop to handle pseudos
10963 generated by move_movables.
10964 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
10967 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
10969 * tree.def (DECL_RESULT): Correct documentation.
10971 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10973 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
10974 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
10975 conflicts will all RELOAD_FOR_OUTPUT reloads.
10977 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
10978 loads the function result, substitute with a USE.
10980 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
10982 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
10983 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
10984 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
10985 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
10986 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
10987 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
10989 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
10990 'o' to 'm' for GPR variant constraints.
10992 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
10994 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
10996 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
10998 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
10999 when the source and destination overlap.
11001 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
11002 clash with global type.
11004 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
11006 * fixinc.irix: Add curses.h handling from fixinc.wrap.
11008 * c-common.c (combine_strings): Also set TREE_READONLY.
11009 Change warn_write_strings to flag_const_strings.
11010 * c-decl.c, c-tree.h: Likewise.
11012 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11014 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
11015 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
11016 sequence, use SET/IOR instead so CSE can see it.
11017 * config/sparc/sparc.md (movhi_const64_special,
11018 movsi_const64_special): New patterns necessitated by that change.
11019 (movhi_high): Remove.
11020 (movhi_lo_sum): Change to match an IOR.
11021 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
11022 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
11023 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
11024 (movdf splits): Allow when not V9 or when not ARCH64 and integer
11025 registers are involved.
11026 (snesi_zero_extend split): Remove reload_completed test.
11027 (unnamed plus and minus zero_extend sidi splits): Add it.
11029 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
11031 * extend.texi: Remove description of extension to explicit
11032 instantiation that is now endorsed by standard C++.
11034 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11036 * config/arc/arc.c (arc_initialize_pic): Remove.
11037 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
11038 nothing on any platform and is invoked by no-one, it does not even
11039 appear in the documentation.
11040 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
11041 * config/sparc/sparc.c (initialize_pic): Likewise.
11042 (find_addr_reg): Remove this as well, no longer referenced after
11045 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11047 * recog.c (validate_replace_rtx_group): New function.
11048 * recog.h (validate_replace_rtx_group): Declare it.
11049 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11050 the entire group of substitutions.
11052 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11054 * loop.c (load_mems): Fix initializers.
11056 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11058 * config/sparc/sparc.md (TFmode splits): Handle destination
11059 registers being referenced in the address correctly.
11061 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11062 TREE_UNSIGNED, when bitsize of type's mode is larger than
11063 HOST_BITS_PER_WIDE_INT.
11065 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11067 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11068 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11069 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11071 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11074 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11076 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11077 * h8300.h (TINY_DATA_NAME_P): Likewise.
11078 (STRIP_NAME_ENCODING): Handle '&'.
11080 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11081 register (it could be accessed via an outer SUBREG).
11082 (REG_OK_FOR_BASE_P): Likewwise.
11083 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11085 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11088 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11090 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11092 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11093 must be offsettable so the splits can be made.
11095 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11097 * config/i386/winnt.c: Include system.h, not stdio.h to get
11098 sys/param.h pulled in before rtl.h in case the system defines MIN
11101 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
11103 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11105 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11107 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11109 * cpplib.c (cpp_define): Handle macros with parameters.
11111 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
11113 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11114 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11115 and DImode 64-bit. Use llong for minimal-toc SFmode and
11116 SYMBOL_REF / LABEL_REF 64-bit.
11117 (output_function_profiler): Use llong for profiler label and ld to
11118 load 64-bit label address.
11120 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11122 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11125 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11127 * version.c: Bump for snapshot.
11129 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11131 * version.c: Bump for snapshot.
11133 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11135 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11137 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11139 * tm.texi (Misc): Fix typo "teh".
11141 * tm.texi (PIC): Fix typo "PPIC".
11143 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11144 effect when -O2 and higher.
11145 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11147 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11149 * regclass.c: Changed register set documentation to be consistent
11150 with GCC behaviour.
11152 * final.c (final_start_function) Removed redundant test for
11155 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11157 * rtl.h (rtx_function): New type.
11158 (for_each_rtx): New function.
11159 * rtlanal.c (for_each_rtx): Define it.
11161 * recog.c (change_t): New type.
11162 (change_objects, change_old_codes, change_locs, change_olds):
11164 (changes): New variable.
11165 (validate_change): Dynamically allocate room for more changes, if
11166 necessary. Uses changes array instead of change_objects, etc.
11167 (apply_change_group): Use changes array instead of
11168 change_objects, etc.
11170 * loop.c (loop_mem_info): New type.
11171 (loop_mems): New variable.
11172 (loop_mems_idx): Likewise.
11173 (looop_mems_allocated): Likewise.
11174 (scan_loop): Remove nregs parameter.
11175 (next_insn_in_loop): New function.
11176 (load_mems_and_recount_loop_regs_set): Likewise.
11177 (load_mems): Likewise.
11178 (insert_loop_mem): Likewise.
11179 (replace_loop_mem): Likewise.
11180 (replace_label): Likewise.
11181 (INSN_IN_RANGE_P): New macro.
11182 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11183 (scan_loop): Remove nregs parameter, compute it after any new
11184 registers are created by load_mems. Use INSN_IN_RANGE_P and
11185 next_insn_in_loop rather than expanding them inline. Call
11186 load_mems to load memory into pseudos, if appropriate.
11187 (prescan_loop): Figure out whether or not there are jumps from the
11188 loop to targets other than the label immediately following the
11189 loop. Call insert_loop_mem to notice all the MEMs used in the
11190 loop, if it could be safe to pull MEMs into REGs for the duration
11192 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11194 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11196 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11198 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11200 * config/sparc/sparc.c (finalize_pic): Check for the correct
11201 nonlocal_goto_receiver UNSPEC number.
11202 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11203 making note of this dependency existing in sparc.c
11204 (negtf2_notv9 split): Give NEG SFmode.
11205 (negsf2): Fix insn output string.
11207 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11209 * c-common.c (decl_attributes): Issue an error if the argument
11210 to alias is not a string.
11212 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11214 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11215 pending memory flush list.
11217 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11219 (try_combine): Allow combining insns with REG_LIBCALL notes.
11221 * expr.c (emit_block_move): Do not call memcpy as a libcall
11222 instead build up a CALL_EXPR and call it like any other
11224 (clear_storage): Similarly for memset.
11226 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11229 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11232 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11233 and REG_LIVE_LENGTH as successful substitutions are made.
11235 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11237 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11238 statement after end of loop label.
11240 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11242 * config/sparc/sparc.c (ultra_types_avail): New variable.
11243 (ultra_build_types_avail): New function to record mask of insn
11244 types in ready list at this cycle.
11245 (ultrasparc_sched_reorder): Call it.
11246 (ultra_find_type): Use it to quicken the search. Also simplif
11247 dependency check, don't use rtx_equal_p because we know exactly
11248 what we are looking for.
11250 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11252 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11253 for architecture v4.
11255 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11257 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11259 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11260 movdf_const_intreg and helper splits): New patterns to move float
11261 constants into integer registers.
11262 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11265 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11268 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11270 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11272 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11273 a BASE_REGS register is needed as an intermediate when copying
11274 a symbolic value into any register class other than BASE_REGS.
11276 * expr.c (move_by_pieces): No longer static. Remove prototype.
11277 * rtl.h (move_by_pieces): Add extern prototype.
11278 * mips.c (expand_block_move): Handle aligned straight line copy by
11279 calling move_by_pieces.
11281 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11284 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11286 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11287 jumps out of the loop to be treated as part of the exit test.
11289 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11290 Jeff Law <law@cygnus.com>
11292 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11293 * cplus-dem.c: Delete.
11295 * Makefile.in (fold-const.o): depend on $(RTL_H).
11297 * fold-const.c: Include rtl.h to get the prototype for
11298 `set_identifier_local_value'.
11300 * loop.c (express_from_1): Remove unused variable `tmp'.
11301 (combine_givs): cast the first argument of bzero to char *.
11303 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11305 * c-decl.c (init_decl_processing): Remove unneeded &.
11307 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11309 * except.c (set_exception_lang_code, set_exception_version_code):
11310 Change parameter from `short' to `int' to avoid using a gcc
11313 * except.h (set_exception_lang_code, set_exception_version_code):
11314 Likewise for prototypes.
11316 * flow.c (count_reg_references): Remove unused variables `regno'
11319 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11321 * prefix.c (translate_name): Cast the result of `alloca'.
11323 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11325 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11327 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11328 Include "toplev.h".
11329 (valid_dbcc_comparison_p): Mark mode argument as unused.
11330 (symbolic_operand): Likewise.
11331 (legitimize_pic_address): Likewise.
11332 (const_uint32_operand): Likewise.
11333 (const_sint32_operand): Likewise.
11334 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11335 schedule_insns and comment out rest of file.
11337 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11339 (output_move_[hq]imode): Likewise.
11341 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11343 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11344 * invoke.texi: Corresponding changes.
11346 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11348 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11350 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11352 * config/sparc/sparc.c (ultra_code_from_mask,
11353 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11354 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11355 ultrasparc_sched_init, ultrasparc_variable_issue,
11356 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11357 functions to describe UltraSPARC pipeline exactly to Haifa.
11358 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11359 as there is nothing the scheduler can do about it. Indicate that
11360 REG_DEP_OUTPUT's collide. Fixup formatting.
11361 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11362 divide costs on Ultra for DImode.
11363 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11365 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11366 ieuN and add call_no_delay_slot to type list.
11367 (cti function unit): New unit for branches on UltraSPARC.
11368 (subx/addx insns): Set type to misc.
11369 (sidi zero/sign extension insns on arch64): Set type to shift.
11370 (sign_extendhidi2_insn): Set type to sload.
11372 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
11374 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11375 (output_epilog): Use if != 0 for offset.
11376 (rs6000_fatal_bad_address): Prepare for Intl.
11377 * rs6000.h (rs6000_fatal_bad_address): Declare.
11378 * rs6000.md (movsfcc, movdfcc): Use else if.
11379 (elf_high): Use {liu|lis}.
11380 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11381 (movsi): Use rs6000_fatal_bad_address.
11383 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11385 * reload.c (find_equiv_reg): Reject equivalences separated
11386 by a volatile instruction.
11388 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11390 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11392 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11394 * alpha.md (movsicc): Fix mode mismatch.
11396 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11398 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11400 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11402 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11404 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11405 write-only modifier from operand 1 constraint.
11407 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11409 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11410 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11412 (sparc_emit_set_const64): Likewise, also when computing trailing
11413 bits do not negate low_bits and make fast_int an int.
11415 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11417 * loop.c (add_label_notes): Do not ignore references to labels
11418 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11419 * gcse.c (add_label_notes): Similarly.
11421 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11423 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11424 (adddi_dishl32): Similarly.
11426 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11428 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11429 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11430 * cse.c (cse_basic_block): Add parens to shut up warnings.
11432 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11434 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11435 sparc_emit_set_const64_longway, const64_is_2insns,
11436 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11437 in 64-bit constant formation.
11438 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11439 rtl for addx not subx.
11440 (define_insn movdi_const64_special): Make available even when
11441 HOST_BITS_PER_WIDE_INT is not 64.
11442 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11443 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11444 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11445 instances of operand 1 inside a QI subreg.
11446 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11447 (one_cmpldi2_sp64): Fix output string.
11448 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11450 (unnamed arch64 ashift DI): Truncate shift count if greater than
11453 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11455 * expr.c (store_expr): Don't optimize away load-store pair
11456 when either source or destination have a side effect.
11458 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11460 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11461 operands of SET are incompatible.
11463 * alpha.md: Fix max and min patterns so modes of SET operands match.
11465 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11467 * configure.in: Avoid [[ by using test and changequote.
11468 * configure: Rebuild.
11470 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11472 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11474 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11475 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11476 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11477 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11478 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11479 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11480 Fix mismatching modes in SET operands.
11481 (conditional move patterns): Fix formatting.
11482 (unnamed subx arch64 pattern): Remove duplicate insn.
11484 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11486 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11487 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11488 (input_operand): Fixup test for what we accept for constant
11490 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11492 (safe_constDI): Remove.
11493 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11494 gen_safe_XOR64): New functions.
11495 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11496 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11498 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11499 available when HOST_BITS_PER_WIDE_INT is not 64.
11500 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
11501 move before movdi_insn_sp64 pattern.
11502 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
11503 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
11504 symbolic_operand as predicate for second operand.
11505 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
11506 expander): Give set VOIDmode.
11508 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
11510 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
11512 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
11514 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
11516 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
11518 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
11520 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
11522 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
11524 * install.texi: Various SCO OpenServer tweaks.
11526 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
11528 * reload1.c (eliminate_regs_in_insn): Handle another case when
11529 eliminating the frame pointer to the hard frame pointer. Add
11530 missing ep->to_rtx check to one existing case.
11532 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
11534 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
11536 * tree.h: De-conditionalize init_priority code.
11538 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
11539 * collect2.c (NM_FLAGS): Change from -p to -n.
11541 * configure.in: Turn on collect2 for mipstx39-elf.
11542 Handle use_collect2=no properly.
11544 * c-common.c: De-conditionalize init_priority code.
11545 * collect2.c (extract_init_priority, sort_ids): New fns.
11546 (main): Call sort_ids.
11547 Move sequence_number to file scope.
11549 * configure.in: Handle --enable-init-priority.
11550 * c-common.c (attrs): Add A_INIT_PRIORITY.
11551 (init_attributes, decl_attributes): Likewise.
11552 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
11553 * tree.c (get_file_function_name_long): Split out...
11554 (get_file_function_name): ...from here.
11556 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
11558 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
11561 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
11563 * toplev.c (display_help): Add braces to shut up warnings.
11564 * tree.c (simple_cst_equal): Likewise.
11566 * fold-const.c (non_lvalue): Don't deal with null pointer
11568 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11570 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
11571 of any size to a pointer.
11573 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
11575 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
11577 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
11579 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
11580 which will be saved.
11581 * mn10300.md (prologue insn): Only save registers which need saving.
11582 (epilogue insn): Similarly.
11584 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11587 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11589 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11590 VAR_DECL's in gp addressable sections.
11592 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11594 * sparc.c: Change return <exp> to <exp>; return; in functions
11596 * sparc.md: Add empty semicolon statement after final label in
11599 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11601 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11602 addx_extend_sp64, only allow when TARGET_ARCH64.
11603 (define_insn addx_extend_sp32 and split): Version that works when
11605 (define_insn subx_extend): Likewise.
11606 (define_split adddi3 and subdi3 with zero extension): Fixup and
11607 correct bugs when not TARGET_ARCH64.
11609 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11611 * except.c (set_exception_lang_code, set_exception_version_code):
11612 Use prototype-style definition if __STDC__, to match declaration
11615 * genemit.c: Change FAIL and DONE macros not to use loops.
11617 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
11619 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
11620 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
11622 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
11624 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
11626 * README.g77: Update from Craig.
11628 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11630 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
11631 type HOST_WIDE_INT.
11632 (safe_constDI sparc_emit_set_const64_quick1,
11633 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11634 analyze_64bit_constant, const64_is_2insns,
11635 create_simple_focus_bits): Fix some bugs when compiled on real
11637 (function_arg_record_value_3, function_arg_record_value_2,
11638 function_arg_record_value): Add fully prototyped forward decls.
11639 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
11640 to cmpsi_insn and use on both 64 and 32 bit targets.
11641 (define_insn cmpsi_insn_sp64): Remove.
11642 (define_expand zero_extendsidi2): Allow for 32-bit target too.
11643 (define_insn zero_extendsidi2_insn): Rename to
11644 zero_extendsidi2_insn_sp64.
11645 (define_insn zero_extendsidi2_insn_sp32): New pattern and
11646 assosciated forced split for it.
11648 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11650 * config/sparc/sparc.h: Declare them.
11651 (PREDICATE_CODES): Add them.
11652 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
11653 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
11655 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
11657 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
11658 in v9 case as the latter makes the Solaris assembler crash.
11660 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11662 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
11663 for TFmode when !v9. We require offsettable memory addresses.
11664 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
11665 DFmode register number conversions.
11666 * config/sparc/sparc.md (define_split DFmode moves): If register
11667 is a SUBREG do alter_subreg on it before using.
11668 (define_expand movtf): Fixup comment about alignment on v9.
11669 (define_split TFmode moves): Don't use gen_{high,low}part, create
11670 explicit SUBREGs instead.
11672 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
11674 * Makefile.in (mbchar.o): Depend on mbchar.c.
11676 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11677 Richard Henderson <rth@cygnus.com>
11679 Rewrite Sparc backend for better code generation and
11680 improved sparc64 support.
11681 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
11683 * config/sparc/sysv4.h: Likewise.
11684 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
11685 move_operand, v8plus_regcmp_op, emit_move_sequence,
11686 singlemove_string, doublemove_string, mem_aligned_8,
11687 output_move_double, output_move_quad, output_fp_move_double,
11688 move_quad_direction, output_fp_move_quad, output_scc_insn):
11690 (small_int_or_double): New predicate.
11691 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
11692 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
11693 old pic_{sethi,lo_sum}_si patterns.
11694 (mem_min_alignment): New generic function to replace
11695 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
11696 available and can test for arbitrary alignments. All callers
11698 (save_regs, restore_regs, build_big_number,
11699 output_function_prologue, output_cbranch, output_return,
11700 sparc_flat_save_restore, sparc_flat_output_function_prologue,
11701 sparc_flat_output_function_epilogue): Prettify
11703 (output_function_epilogue): Likewise and add code to output
11704 deferred case vectors.
11705 (output_v9branch): Likewise, add new arg INSN and use it to tack
11706 on branch prediction settings. All callers changed.
11707 (print_operand): Likewise and output %l44 for LO_SUMs when
11709 (sparc_splitdi_legitimate): New function to make sure DImode
11710 splits can be run properly when !arch64.
11711 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
11712 Reformat example code in comments.
11713 (set_extends): Remove UNSPEC/v8plus_clear_high case.
11714 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
11715 of deferred case vectors we need to output.
11716 (sparc_defer_case_vector): Record a case vector.
11717 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
11718 sparc_output_deferred_case_vectors): New functions to output them.
11719 (sparc_emit_set_const32): New function to form 32-bit constants in
11720 registers when that requires more than one instruction.
11721 (safe_constDI, sparc_emit_set_const64_quick1,
11722 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11723 analyze_64bit_constant, const64_is_2insns,
11724 create_simple_focus_bits, sparc_emit_set_const64): New functions
11725 which do the same for 64-bit constants when arch64.
11726 (sparc_emit_set_symbolic_const64): New function to emit address
11727 loading for all code models on v9.
11728 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
11729 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
11730 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
11731 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
11732 inaccuracies in comments, add symbolic and text_segment operands
11733 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
11734 GENERAL_REGS in these cases as a temp REG is needed to load these
11735 addresses into a register properly.
11736 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
11738 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
11739 quads are guarenteed to have 16-byte alignment.
11740 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
11741 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
11742 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
11743 deferred case vector implementation.
11744 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
11745 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
11746 Generate "internal label - label" instead of "label - 1b".
11747 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
11748 (PREDICATE_CODES): Remove sparc_operand, move_operand,
11749 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
11751 (doublemove_string, output_block_move, output_fp_move_double,
11752 output_fp_move_quad, output_move_double, output_move_quad,
11753 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
11754 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
11755 (sparc_emit_set_const32, sparc_emit_set_const64,
11756 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
11757 mem_min_alignment, small_int_or_double): Add externs.
11758 * config/sparc/sparc.md: Document the many uses of UNSPEC and
11759 UNSPEC_VOLATILE in this backend.
11760 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
11761 unary to types which execute in it.
11762 (define_function_unit ieu_shift): Rename to ieu0.
11763 (define_function_unit ieu1): New, executes compare, call, and
11764 uncond_branch type insns.
11765 (define_function_units for type fdivs, fdivd, fsqrt): These
11766 execute in the fpu multiply unit not the adder on UltraSparc.
11767 (define_expand cmpdi): Disallow TARGET_V8PLUS.
11768 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
11769 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
11770 allows the arith_double_operand predicate and rHI constraint when
11772 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
11773 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
11774 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
11775 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
11776 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
11777 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
11778 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
11779 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
11780 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
11781 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
11782 sign_extendqihi2_insn, sign_extendqisi2_insn,
11783 sign_extendqidi2_insn, sign_extendhidi2_insn,
11784 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
11785 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
11786 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
11787 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
11788 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
11789 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
11790 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
11791 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
11792 smulsi3_highpart_v8plus, unnamed subreg mult,
11793 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
11794 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
11795 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
11796 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
11797 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
11798 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
11799 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
11800 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
11801 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
11802 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
11803 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
11804 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
11805 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
11806 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
11807 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
11808 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
11809 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
11810 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
11811 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
11812 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
11813 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
11814 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
11815 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
11816 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
11817 call_address_untyped_struct_value_sp32,
11818 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
11819 call_value_symbolic_sp32, call_value_address_sp64,
11820 call_value_symbolic_sp64, branch_sp32, branch_sp64,
11821 flush_register_windows, goto_handler_and_restore,
11822 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
11823 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
11824 return_addsi, return_di, return_adddi, return_sf, all call+jump
11825 peepholes, trap, unnamed trap insns): Prettify output strings.
11826 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
11827 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
11828 Likewise and force + implement splits for integer cases.
11829 (define_insn return_sf_no_fpu): Likewise and allow to match when
11830 no-fpu because of our subreg SFmode splits.
11831 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
11832 zero_extendqidi2_insn, zero_extendhidi2_insn,
11833 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
11834 input_operand for second operand.
11835 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
11836 reg_or_0_operand for operand 2 so new splits can use it.
11837 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
11838 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
11840 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
11841 CONST_DOUBLEs for operand 2.
11842 (define_insn move_label_di): Likewise and label distance
11843 optimization because it no longer works with new deferred case
11844 vector scheme. To be revisited.
11845 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
11846 and allow reg_or_0_operand and J constraint for second operand.
11847 (define_insn jump): Set branch predict taken on V9.
11848 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
11849 new deferred case vector scheme.
11850 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
11851 (define_insn negdi2_sp32): Force + implement splits.
11852 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
11853 one_cmplsi2_not_liveg0 respectively, and create expander of original
11854 names which emit special rtl for TARGET_LIVE_G0.
11855 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
11856 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
11857 gen_compare_reg, FAIL instead.
11858 (define_insn sgtu, sleu): Likewise and check gen_s*() return
11859 values when trying to reverse condition codes, if they FAIL then
11861 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
11862 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
11863 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
11864 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
11865 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
11866 set output string to # to indicate they are mandatory splits.
11867 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
11868 pic_sethi_di, move_pic_label_si): Remove.
11869 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
11870 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
11872 (define_expand movsi_pic_label_ref, define_insn
11873 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
11874 expander and insns to handle PIC label references and deferred
11876 (define_insn get_pc_via_rdpc): Comment out as it is no longer
11878 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
11879 Rewrite to not use emit_move_sequence, make use of new constant
11880 formation code, and new splits for all multi-insn cases.
11881 (define_insn movqi_insn): Remove sethi case, it can never happen.
11882 Use reg_or_zero_operand instead of const0_rtx explicit test,
11883 use input_operand instead of move_operand for source, and use
11884 general_operand now for dest.
11885 (define_insn movhi_insn): Similar but leave sethi case.
11886 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
11887 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
11888 movhi_lo_sum respectively, prettify output string.
11889 (define_insn movsi_zero_liveg0): New pattern to put zero into a
11890 register when needed on TARGET_LIVE_G0.
11891 (define_insn movsi_insn): Use general_operand and input_operand
11892 for dest and src respectively. Simplify applicability test.
11893 Prettify output strings, and add clr alternative for J
11895 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
11896 deprecated std and reg-reg DI moves): Remove and...
11897 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
11898 implementation which uses forced splits for all non-single insn
11900 (define_split DI move cases on !arch64): New splits to handle all
11901 situations of 64-bit double register DImode on 32bit, and
11902 unaligned registers and memory addresses for all subtargets.
11903 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
11905 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
11906 input_operand for dest and src respectively, prettify output
11908 (define_insn movdf_insn, movdf_no_e_insn, store_df,
11909 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
11911 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
11912 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
11913 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
11914 movtf_no_e_insn_sp64) Replace with new
11915 implementation which uses forced splits for all non-single insn
11917 (define_split DF move cases): New splits in similar vein to DI
11919 (define_insn sethi_di_medlow, sethi_di_medium_pic,
11920 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
11921 movdi_sp64_insn): Remove old v9 code model and constant loading
11922 support insns and..
11923 (define_insn pic_lo_sum_di, pic_sethi_di,
11924 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
11925 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
11926 embmedany_sethi, embmedany_losum, embmedany_brsum,
11927 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
11928 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
11929 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
11930 scheme, using unspecs, secondary reloads, and one to one sparc
11931 insn to rtl insn mapping for better scheduling and code gen.
11932 (define_expand reload_indi, reload_outdi): Reload helpers for
11933 MEDANY and EMBMEDANY symbol address loading cases which require a
11934 temporary register.
11935 (define_expand movsicc): Remove v8plus_regcmp cases.
11936 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
11937 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
11938 cmp_diqi_trunc_set): New patterns used by some of the new scc
11940 (define_insn xordi3_sp64_dbl): New pattern used for constant
11941 formation when crossing from 32-bit targets.
11942 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
11944 (define_insn addx, subx): Make visible and prettify.
11945 (define_insn adddi3_insn_sp32): Likewise and force split.
11946 (define_insn addx_extend, subx_extend, unnamed): New patterns for
11947 64bit scc split usage.
11948 (define_insn unnamed plusDI zero_extend, unnamed minusDI
11949 zero_extend, subdi3): Force and implement splits.
11951 * final.c (final_scan_insn): Don't output labels if target
11952 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
11955 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
11956 don't forget to walk inside SEQUENCESs too as these are what the
11957 delay slot scheduler will create.
11959 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
11961 * alpha.md (extxl+1,+2): New patterns to work around
11964 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
11966 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
11967 caused bad assembly code to be generated.
11969 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
11971 * netbsd.h: Fix typo.
11973 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
11975 * config.sub: Fix typo.
11977 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
11979 * invoke.texi (Environment Variables): Typo: Change "ascpects"
11981 (Running Protoize): Typo: Change "ther" into "other".
11983 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
11985 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
11986 * m68k/netbsd.h: Likewise.
11987 * ns32k/netbsd.h: Likewise.
11988 * sparc/netbsd.h: Likewise.
11990 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
11992 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
11993 * ginclude/va-clipper.h (va_list): Likewise.
11995 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
11997 * rs6000.c (rs6000_override_options): If big endian and -Os, use
11998 load/store multiple instructions unless user overrides.
12000 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
12002 * ns32k/netbsd.h: Fix typo.
12004 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
12006 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
12007 labels with .debugsym if no parallel insns.
12009 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
12011 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
12012 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
12014 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
12016 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
12017 (AR_FOR_TARGET): Define.
12019 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
12021 * dyn-string.h: New file.
12022 * dyn-string.c: Likewise.
12023 * Makefile.in (OBJS): Add dyn-string.o.
12024 (dwarf2out.o): Add dyn-string.h dependency.
12025 (dyn-string.o): List dependencies.
12026 * dwarf2out.c: Include dyn-string.h.
12027 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
12028 (addr_const_to_string): Take a dyn_string_t, not a char* as a
12029 prototype. Use dyn_string_append rather than strcat, throughout.
12030 (addr_to_string): Use dyn_string_t.
12032 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
12034 Function entry/exit profiling instrumentation:
12035 * expr.h (profile_function_entry_libfunc,
12036 profile_function_exit_libfunc): Declare new variables.
12037 * optabs.c: Define them here.
12038 (init_optabs): Initialize them.
12039 * tree.h (struct tree_decl): New flag
12040 no_instrument_function_entry_exit.
12041 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
12042 * c-decl.c (duplicate_decls): Merge it.
12043 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
12044 (init_attributes): Use it for "no_instrument_function".
12045 (decl_attributes): Handle it, for functions that have not yet been
12046 compiled. Set decl flag.
12047 * flags.h (flag_instrument_function_entry_exit): Declare new
12049 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12050 (f_options): New option "instrument-functions".
12051 * function.h (struct function): New field instrument_entry_exit.
12052 * function.c (current_function_instrument_entry_exit): New
12054 (push_function_context_to, pop_function_context_from): Save and
12056 (expand_function_start): Set current_ variable, maybe emit return
12057 label and entry profile call.
12058 (expand_function_end): Maybe emit exit profile call.
12060 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12062 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12063 NON_QI_REG_P, pretend the register is SImode.
12065 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12067 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12068 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12069 manufacturer id for ns32k.
12070 * configure: Regenerated.
12071 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12072 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12073 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12074 * config/m68k/netbsd.h: Same.
12075 * config/ns32k/netbsd.h: Same.
12076 * config/sparc/netbsd.h: Same.
12078 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12080 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12081 or UNROLL_COMPLETELY loop that starts with a jump to its
12084 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
12086 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12087 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12088 (print_operand, case 'B'): Don't fall through.
12089 (print_operand, case 'S'): Correct mask begin/end computation.
12090 Use HOST_BITS_PER_WIDE_INT.
12091 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12092 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12093 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12094 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12096 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12098 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12099 constraint from second alternative.
12101 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12103 * configure.in: Fix --without/--disable cases for local-prefix,
12104 gxx-include-dir and checking.
12106 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12108 * configure.in (enable_haifa): Set by default for sparc64 too.
12109 configure: Rebuilt.
12111 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12113 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12114 * i386/winnt.c (associated_type): New fn.
12115 (i386_pe_valid_type_attribute_p): New fn.
12116 (i386_pe_check_vtable_importexport): Remove.
12117 (i386_pe_dllexport_p): Use associated_type.
12118 (i386_pe_dllimport_p): Likewise.
12120 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12121 * i386.c (i386_valid_type_attribute_p): Also accept
12122 attributes for METHOD_TYPEs.
12124 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12126 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12128 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12130 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12132 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12133 them from generating a new base name for each occurence of
12136 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12138 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12140 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12144 * cplus-dem.c (type_kind_t): New type.
12145 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12146 on this paramter, rather than demangling the type again.
12147 (demangle_integral_value): Pass tk_integral.
12148 (demangle_template_: Pass the value returned from do_type.
12149 (do_type): Return a type_kind_t. Pass tk_integral to
12150 demangle_template_value_parm for array bounds.
12151 (demangle_fund_type): Likewise.
12153 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12155 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12158 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12160 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12162 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12164 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12166 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12169 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12171 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12172 (DEBUGGER_ARG_OFFSET): Likewise.
12174 * mn10300.md (movsf): Remove last change. Not needed.
12176 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12178 * c-lex.c (yylex): Fix boundary conditions in character literal and
12179 string literal loops.
12181 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12183 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12184 being invoked incorrectly.
12186 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12187 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12189 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12190 * configure.in: Added i[34567]86-*-win32
12191 * config.sub: Ditto.
12192 * configure: Rebuilt.
12194 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12196 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12197 the frame pointer and compiling PIC code and reload has not completed.
12199 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12202 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12204 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12206 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12208 * Makefile.in (install-info): Only try to update the info
12209 directory file if it exists in the first place.
12211 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12213 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12215 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12217 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12218 CONST_DOUBLE source.
12220 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12222 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12223 strings as the insertion of USER_LABEL_PREFIX.
12224 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12226 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12229 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12231 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12232 already defined type.
12234 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12236 * expr.c (check_max_integer_computation_mode): Allow conversions
12237 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12238 (expand_expr): Likewise.
12240 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12242 * expr.c (expand_expr): Expand RETURN_EXPR.
12244 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12246 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12248 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12250 * dwarf2out.c (output_aranges): Call stripattributes
12251 for TEXT_SECTION references.
12252 (output_line_info): Likewise.
12254 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12256 * profile.c (branch_prob): Call allocate_reg_info after outputting
12257 profile rtl in instrument_arcs.
12259 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12261 * fixinc.irix (math.h): Install wrapper instead of copying.
12263 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12265 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12266 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12267 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12268 lang_flag_0. Added documentation in the flag table.
12270 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12272 * cccp.c (do_include): Fix vax c style include handling.
12274 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12276 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12278 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12280 * fold-const.c (non_lvalue): Don't deal with null pointer
12282 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12284 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
12286 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12287 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12288 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12289 (u_short_cint_operand): Same.
12290 (reg_or_cint_operand): Same.
12291 (logical_operand): Same.
12292 (input_operand): Same.
12293 (reg_or_short_operand): Use u_short_cint_operand.
12295 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12297 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12298 but keep the insns and splits. Adjust so when the ultimate destination
12299 is memory, use cvtql.
12301 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12303 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12305 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12307 * gcc.c (do_spec): Call "error" not "warning".
12309 * configure.in: Fix minor problems with gas feature detection code.
12310 * configure: Rebuilt.
12312 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12314 * Undo this change.
12315 * gcc.c: Delete %[spec] support.
12316 (do_spec_1, case '('): Likewise.
12317 (do_spec_1, case '['): Call error.
12319 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12321 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12322 (CPP_SUBTARGET_SPEC): Default to empty string.
12323 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12324 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12325 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12326 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12328 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12329 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12330 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12331 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12332 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12333 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12334 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12335 * alpha/vxworks.h: Likewise.
12337 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12339 * mips.md (reload_outsi): Added missing REGNO call.
12340 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12342 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12343 another match_operator and compare the codes.
12345 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12347 * MIPS multiply pattern fixes:
12348 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12349 Add union classes for HI, LO, or HILO plus general registers.
12350 (GENERATE_MADD): Deleted.
12351 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12352 Add TARGET_MAD to condition.
12353 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12354 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12355 "*d" for accumulator, to give preference to LO initially but not
12358 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12360 * configure.in (enable_c_mbchar): New configure option.
12361 (extra_cpp_objs): Always available now.
12363 * cexp.y (mbchar.h): #include it.
12364 (yylex): Handle Multibyte characters in character literals.
12366 * cccp.c (mbchar.h): #include it.
12367 (main): Set character set based on LANG environment variable.
12368 (rescan): Handle multibyte characters in comments.
12369 (skip_if_group): See above.
12370 (validate_else): See above.
12371 (skip_to_end_of_comment): See above.
12372 (macarg1): See above.
12373 (discard_comments): See above.
12374 (rescan): Handle multibyte characters in string and character literals.
12375 (collect_expansion): See above.
12376 (skip_quoted_string): See above.
12377 (macroexpand): See above.
12378 (macarg1): See above.
12379 (discard_comments): See above.
12380 (change_newlines): See above.
12382 * c-lex.c (mbchar.h): #include it.
12383 (GET_ENVIRONMENT): New macro.
12384 (init_lex): Set character set based on LANG environment variable.
12385 (yylex): Handle multibyte characters in character literals.
12386 (yylex): Handle multibyte characters in string literals.
12388 * Makefile.in (mbchar.o): New target.
12389 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12390 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12392 * mbchar.[ch]: New files for multibyte character handling.
12394 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12396 * jump.c (jump_optimize): When simplifying noop moves and
12397 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12398 the PUSHes to rewrite in second loop as we did in the first.
12400 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12402 * cplus-dem.c (demangle_nested_args): Make function definition
12403 static to match the prototype.
12405 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12407 * alloca.c: Respect USE_C_ALLOCA.
12408 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12409 * gengenrtl.c (xmalloc): Likewise.
12411 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12413 * loop.h (struct induction): Add no_const_addval.
12414 * loop.c (the_movables, reg_address_cost): New variables.
12415 (init_loop): Init reg_address_cost.
12416 (loop_optimize): Call end_alias_analysis.
12417 (scan_loop): Init the_movables.
12418 (record_giv): Init induction->no_const_addval.
12419 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12420 [REG]: Rearrange loop search test to catch more cases.
12421 (general_induction_var): Return success not benefit; take an extra
12422 argument for that. Change all callers.
12423 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12424 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12425 [default]: Search the_movables for additional combinations.
12426 (sge_plus_constant, sge_plus): New functions.
12427 (express_from_1): New function.
12428 (express_from): Always define. Rewrite using express_from_1.
12429 (combine_givs_p): Handle more cases. Ignore address cost.
12430 (cmp_combine_givs_stats): New function.
12431 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12432 (combine_givs): Rewrite to do best-fit combination.
12434 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12435 (fold): Do a complete (A*C)+(B*C) association check.
12437 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12439 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12441 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12443 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12445 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12447 * tree.c (valid_machine_attribute): Only create a new type variant if
12448 there is a decl to use it.
12450 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12452 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12455 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12457 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12460 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12462 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12463 Simplify tests for clearing an address register.
12464 (expand_prologue): Corresponding changes.
12466 * mn10300.md (movXX patterns): Make sure the destination is an
12467 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12468 (logical patterns): Split into expanders + patterns
12469 (zero and sign extension patterns): Similarly.
12470 (shift patterns): Similarly.
12472 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12474 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12475 for the sequence, recording base values.
12477 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12479 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12481 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12483 * gcc.c: Remove ANSI-C ism from --help code.
12485 * toplev.c: Support --help with USE_CPPLIB.
12487 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12489 * configure.in: Rework gas feature code to work with symlink based
12492 * extend.texi: Clarify some issues related to local variables
12493 assigned to explicit registers.
12495 * mn10300.md (mulsi): Turn into expander + pattern.
12497 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
12500 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
12502 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
12504 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
12506 * version.c: Bump again to distinguish mainline tree from the
12509 See ChangeLog.0 for earlier changes.
12512 add-log-time-format: current-time-string