1 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
4 conversion if we don't know the lifetime.
6 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8 * reload.1c (delete_address_reloads_1): Check for reloads of
9 CURRENT_INSN even if it sets DST.
11 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
13 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
14 (print_die, size_of_die, value_format, output_die): Adjust.
16 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
18 * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL,
19 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
20 text_section_laabel, debug_line_section_label,
21 debug_info_section_label, abbrev_section_label): New.
22 (output_compilation_unit_header): Emit label associated
23 with section instead of section name itself.
24 (out_pubnames, output_aranges, output_line_info,
25 dwarf2out_finish): Likewise.
26 (dwarf2out_init): Build internal label names for sections
29 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
31 * sh.md (mulsi3): End mul.l sequence with a no-op move.
33 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
35 * Makefile.in: activated fixinc/mkfixinc.sh
36 * configure.in: activated fixinc/mkfixinc.sh
38 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
40 * cppfiles.c (INO_T_EQ): Handle UWIN.
42 * c-common.c (decl_attributes): Flag unrecognized attribute
43 functions as warnings instead of as errors.
45 Support for i386-pc-uwin.
46 * i386/uwin.h: New file.
47 * i386/xm-uwin.h: New file.
48 * i386/t-uwin: New file.
49 * i386/uwin.asm: New file.
50 * configure.in (i[3456]86-*-uwin*): Define.
51 Add Workaround for vfork bug when hosted on uwin.
52 * configure: Regenerate.
54 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
55 (absolute_filename): UWIN uses POSIX pathnames only.
56 * libgcc2.c (getpagesize): Do not define for UWIN.
58 * protoize.c (dirent.h): Conditionally include.
59 (fputc): Prototype only if it's not a macro.
61 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
63 * configure.in: Remove init_priority stuff.
65 1999-03-11 Colin Smith <colin@wrs.com>
67 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
69 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
71 * gcc.texi: Update bug reporting instructions to match
72 current ezmlm list reality.
74 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
76 * gcc.c (print_file_name, print_prog_name, spec_machine,
77 read_specs, set_spec, lookup_compiler, build_search_list,
78 putenv_from_prefixes, find_a_file, record_temp_file,
79 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
80 is_directory, validate_switches, used_arg, default_arg,
81 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
82 notice, add_preprocessor_option, add_assembler_option,
83 add_linker_option, process_command, execute,
84 unused_prefix_warnings, clear_args, fatal_error,
85 lang_specific_driver, user_specs, compiler, link_command_spec,
86 option_map, translate_options, make_temp_file, temp_name,
87 programname, path_prefix, machine_suffix, just_machine_suffix,
88 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
89 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
90 standard_startfile_prefix, standard_startfile_prefix_1,
91 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
92 multilib_dir, temp_filename, temp_file, command, switchstr,
93 infile, outfiles, input_filename, input_basename, input_suffix,
94 check_live_switch, main): Qualify a char* with the `const' keyword.
96 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
99 * Makefile.in (OBJS): Add lcm.o
100 (lcm.o): Add dependencies.
102 * gcse.c (compute_pre_local_properties): Delete.
103 (compute_pre_data): Use compute_local_properties instead of
104 compute_pre_local_properties.
106 * gcse.c: More comments, whitespace and similar fixes.
107 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
108 (dump_pre_data, compute_cprop_local_properties): Likewise.
109 (one_classic_gcse_pass): Lose unused argument. All callers changed.
110 (compute_hash_table, compute_expr_hash_table): Likewise.
111 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
112 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
113 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
114 Lose unused argument.
115 (gcse_main): Always run a cprop pass after finishing global cse.
116 (compute_local_properties): New function.
117 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
118 (compute_cprop_data): Use compute_local_properties.
120 * gcse.c: Update various comments.
121 (current_function_calls_longjmp): Delete declaration.
123 * gcse.c (run_jump_opt_after_gcse): New variable.
124 (gcse_main): Returns an integer.
125 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
126 (try_replace_reg): Update some comments.
127 (cprop_insn): Allow propagation into some JUMP_INSNs too.
128 * rtl.h (gcse_main): Update prototype.
129 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
130 then run a jump optimization pass.
131 * jump.c (delete_barrier_successors): Delete nop jumps too.
133 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
135 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
136 for FP arithmetic. Changed caller.
137 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
139 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
141 * reload1.c (choose_reload_regs): When inheriting from the frame
142 pointer, don't clobber it.
144 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
146 * fixinc/fixinc.*: Resync-ed with the files in this
149 * fixinc/mkfixinc.sh: the machine case elements were
150 out-of-order. (the ix86-*-linux-gnu* entry needed to
153 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
155 * reload1.c (reload_combine_note_store): Fix calculation of number
156 of affected registers.
158 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
160 * flow.c (tidy_fallthru_edge): Be more careful finding the last
161 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
163 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
165 * i386.md (ashlsi3 splitter): Fix typo in last change.
167 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
169 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
170 instead of an explicit test for RETURN.
172 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
174 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
176 * toplev.c: Include basic-block.h.
178 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
180 * calls.c (load_register_parameters): New function.
181 (expand_call): Use it.
183 * calls.c (expand_call): Slightly reorganize code.
185 * calls.c (compute_argument_addresses): New function.
186 (rtx_for_function_call): New function.
187 (expand_call): Use them.
189 * i386.md (zero_extendhisi2): Split into an expander and anonymous
190 pattern. Add new anonymous pattern for use when optimizing for
191 size or for the PPro.
192 (zero_extendqihi2, zero_extendqisi2): Likewise.
194 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
196 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
197 dependancies to sets in the non-hard-reg case too.
199 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
201 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
203 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
205 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
206 for which CLASS_LIKELY_SPILLED_P is true.
208 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
209 have a REG or SUBREG.
211 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
213 * i386.md (ashlsi3): Revise comments. Provide new anonymous
214 pattern for Pentium and PPro/PII. Reverse constraints in
215 generic ashlsi3 anonymous pattern.
217 * calls.c (initialize_argument_info): Accept a pointer to
219 (expand_call): Pass the address of CUMULATIVE_ARGS.
221 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
223 * mn10300.h (CASE_DROPS_THROUGH): Delete.
224 * mn10200.h (CASE_DROPS_THROUGH): Delete.
225 * h8300.h (CASE_DROPS_THROUGH): Delete.
227 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
228 to also delete the cc0 setter when deleting a conditional branch
231 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
233 * regmove.c (copy_src_to_dest): New argument max_old_uid.
235 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
237 * ChangeLog: merged entries from fixincl-branch
239 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
241 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
242 (print_exp): Special case addition of a constant.
243 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
245 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
247 * haifa-sched.c (reg_last_clobbers): New.
248 (reg_pending_clobbers, bb_reg_last_clobbers): New.
249 (compute_block_backward_dependences): Allocate memory for them.
250 (schedule_region): Likewise.
251 (sched_analyze_1): Clobbers don't interfere with one another.
252 They do interfere with sets ...
253 (sched_analyze_2): ... and uses.
254 (sched_analyze): Likewise.
255 (sched_analyze_insn): Update reg_last_clobbers appropriately.
257 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
260 include system header files.
262 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
263 (_mcleanup): Add the `const' keyword to a char*.
264 (internal_mcount): Declare `etext' as a char[] not a function.
265 Cast `etext' to char* when calling `monstartup'.
267 * sparc.c (frame_base_name, save_regs, restore_regs,
268 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
269 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
270 cpu_default, cpu_table, output_function_prologue,
271 output_function_epilogue, output_return,
272 sparc_flat_output_function_prologue, ultra_code_names,
273 sparc_flat_output_function_epilogue): Constify a char*.
274 (hypersparc_adjust_cost): Add a default case in a switch.
276 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
277 sparc_cpu_select, sparc_align_loops_string,
278 sparc_align_jumps_string, sparc_align_funcs_string,
279 output_return): Constify a char*.
281 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
282 so that we check "== 32", instead of "!= 64". Cast a value to
283 HOST_WIDE_INT when comparing against one. Hide the declaration
284 for variable `chain'.
286 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
288 * system.h (const, inline): Move the stage2 handling of these
289 keywords-as-macros from here...
291 * gansidecl.h (const, inline): ...to here.
293 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
295 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
297 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
299 * cse.c (canon_hash): Never reject hard regs in CCmode.
301 Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
303 * version.c: Bump for snapshot.
305 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
306 Richard Henderson <rth@cygnus.com>
308 * flow.c (make_edges): Handle casesi that jump to default branch.
309 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
311 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 * c-aux-info.c (data_type, affix_data_type, gen_decl,
314 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
315 Qualify a char* with the `const' keyword.
317 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
318 declare_function_name, decl_attributes, format_char_info,
319 check_format_info, binary_op_error): Likewise.
321 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
323 * gcse.c (dump_hash_table): Likewise.
325 * integrate.c (function_cannot_inline_p): Likewise
327 * optabs.c: Include insn-config.h earlier.
328 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
329 Qualify a char* with the `const' keyword.
331 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
332 asctoeg, mtherr, ereal_atof): Likewise.
334 * real.h (ereal_atof): Likewise.
336 * sbitmap.c (dump_sbitmap_vector): Likewise.
338 * sbitmap.h (dump_sbitmap_vector): Likewise.
340 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
342 * toplev.c (rest_of_compilation): Likewise.
344 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
346 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@mhpcc.edu>
348 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
349 not overwrite AIX link register save area.
351 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
353 * reload.c (find_reloads_subreg_address): Actually create the USE
354 for the register, not the new memory location.
356 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
358 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
359 with its equivalent constant, fall back to reload_in.
361 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
363 * Makefile.in: Delete .flow2 debugging files.
365 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
367 * config/arm/arm.c (arm_override_options): Change default target
368 cpu selection so that enabling TARGET_APCS_32 does not override
371 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
373 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
374 (BOOL_TYPE_SIZE): Define.
376 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
378 * function.c (assign_stack_temp_for_type): Abort
379 if mode == Blkmode and align is less than
380 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
381 (assign_stack_temp_for_type): Round the size parameter
382 passed to assign_stack_local instead of size itself.
384 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
386 * flow.c (delete_unreachable_blocks): Mark blocks as they
387 are put on to the worklist, not as they are taken off.
389 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
391 * function.c (current_function_has_computed_jump): Remove duplicate
394 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
396 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
397 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
399 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
400 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
401 (INIT_SUBTARGET_OPTABS): Define to empty.
403 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
405 * sh.c (force_into): New function.
406 (expand_block_move): Use it.
408 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
410 * cccp.c (struct default_include): Add 'included' field.
411 (main): Set 'included' field when a default include directory
412 is added to the chain. If -v is specified list all default
413 include directories which do not get appended to the chain.
415 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
417 * configure.in (gxx_include_dir): Rename to
418 gcc_gxx_include_dir in order to prevent it being overridden by
419 a top level Makefile.
420 (gcc_tooldir): If $exec_prefix != $prefix then use the
421 difference between the two as the basis for gcc_tooldir.
423 * configure: Rebuild.
425 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
427 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
429 * unroll.c (copy_loop_body): Don't make extra copies of
430 NOTE_INSN_LOOP_CONT notes.
432 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
434 * tree.c (save_tree_status): Don't treat functions with no context
437 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
439 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
442 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
445 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
446 current_function_file): Add the `const' keyword.
447 (normal_memory_operand): Mark parameter `mode' with
449 (alpha_expand_unaligned_load): Add a default case to a switch.
451 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
452 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
453 (normal_memory_operand): Add prototype.
455 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
456 comparing against one.
458 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
460 * mips.c (abort_with_insn): Make function static, add a prototype,
461 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
462 (current_function_file, mips_cpu_string, mips_isa_string,
463 mips_abi_string, mips_no_mips16_string, mips_entry_string,
464 mips_move_1word, mips_move_2words, output_block_move, load_store,
465 override_options, make_temp_file, mips16_fp_args): Qualify a char*
466 with the `const' keyword.
468 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
469 mips_abi_string, mips_entry_string, mips_no_mips16_string,
470 mips_move_1word, mips_move_2words, output_block_move): Likewise.
471 (abort_with_insn): Remove extern prototype.
473 * mips.md: Qualify a char* with the `const' keyword.
474 Remove many unused variables named `label'.
476 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
478 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
480 (install-cpp, uninstall-cpp): New targets.
481 (install-normal): Depend on $(INSTALL_CPP).
482 (uninstall): Depend on $(UNINSTALL_CPP).
483 * configure.in (cpp_install_dir): New, substitute.
484 (tmake_file): Added t-install-cpp for --enable-cpp.
485 * configure: Rebuilt.
486 * cpp.sh: New cpp script.
487 * config/t-install-cpp: New target fragment.
489 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
490 Jeffrey A Law (law@cygnus.com)
492 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
494 (cse_insn): Avoid creating a bogus REG_EQUAL note for
495 (const (minus (label) (label)))
496 (record_jump_cond): Fix mismatched paren in comment.
498 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
500 * final.c (end_final): There are 11 words in the "main header"
503 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
505 * extend.texi: Reference __extension__ in the index.
507 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
509 * Makefile.in (CROSS_FLOAT_H): Delete.
510 (FLOAT_H): Use float_h_file.
511 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
513 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
514 (mostlyclean): Delete gloat.h reference.
515 (install-cross-rest, install-float-h-cross, stmp-headers): Update
517 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
518 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
519 (float_h_file): Set from float_format. Substitute into Makefile.in.
520 (float_format): No longer substitute into Makefile.in.
521 * cross-make (FLOAT_H): Delete.
522 * config/mips/t-cross64 (FLOAT_H): Delete.
523 * configure: Rebuilt.
525 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
527 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
528 insn to be an INSN before looking at its pattern.
530 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
532 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
533 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
534 HImode reg when TARGET_5200.
536 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
538 From Toshiyasu Morita:
539 * sh.h (CACHE_LOG): SH2 has cache, too.
541 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
543 * toplev.c (compile_file): Disable -ffunction-sections and
544 debugging warning if the object format is elf.
546 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
548 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
549 when the data in 8-bit area and can not be addressed by 8-bit.
551 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
553 * flow.c (create_basic_block): Disregard integrated bb notes.
555 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
557 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
559 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
561 * config/i386/t-sco5gas (crti.o): New target.
563 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@mhpcc.edu>
565 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
566 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
567 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
568 load_multiple, allocate_stack, call_indirect_aix32,
569 call_indirect_aix64, call_value_indirect_aix32,
570 call_value_indirect_aix64, call_indirect_nt,
571 call_value_indirect_nt): Use gpc_reg_operand instead of
574 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
576 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
577 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
579 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
580 allow andi. or andis. which always set cr0.
582 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
584 * version.c: Bump for snapshot.
586 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
588 * invoke.texi: Update information for PA scheduling.
590 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
591 Mike Stump <mrs@wrs.com>
593 * pa.c (override_options): Change default to 7100LC
595 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
596 float regs before right half of float regs.
598 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
599 Jeffrey A Law (law@cygnus.com)
601 * frame.h: Update some comments.
602 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
603 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
604 using TARGET_WEAK_ATTRIBUTE.
605 (__do_global_dtors_aux): Check if __deregister_frame_info is
606 zero before calling it.
607 (__do_global_dtors): Likewise.
608 (frame_dummy): Check if __register_frame_info is zero before
610 (__frame_dummy): Likewise.
612 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
614 * SERVICE: Update from the FSF.
616 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
618 * config/i386/t-sco5 (crti.o): New target.
619 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
621 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
623 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
625 * md.texi (prologue,epilogue): Document named patterns.
627 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
629 * md.texi, invoke.texi: Fix unterminated @xrefs.
631 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
633 * genattrtab.c (simplify_knowing): Fix uninitialized read
636 * genextract.c (main): Clear recog_operands before extracting.
638 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
640 * c-pragma.c (add_weak); Delete. Moved into...
641 * varasm.c (add_weak): New external function.
642 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
643 the list of weak functions.
644 * c-pragma (add_weak): Declare.
646 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
648 Flow rewrite to use basic block structures and edge lists:
650 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
651 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
652 (struct edge_def): New.
653 (struct basic_block_def): New.
654 (basic_block_info): New.
655 (BLOCK_HEAD, BLOCK_END): Update.
656 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
657 (uid_block_number): Kill.
658 (basic_block_for_insn, BLOCK_FOR_INSN): New.
660 * flow.c (XNMALLOC): Kill.
661 (max_uid_for_flow): Kill.
662 (uid_block_number): Kill.
663 (uid_volatile): Turn into a bitmap.
664 (SET_INSN_VOLATILE): New.
665 (basic_block_info): New.
666 (entry_exit_blocks): New.
667 (x_basic_block_head, x_basic_block_end): Kill.
668 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
669 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
670 (basic_block_loop_depth): Kill.
671 (basic_block_for_insn): New.
672 (find_basic_blocks): Split out initial block counting into
673 count_basic_blocks. Call functions split out of find_basic_blocks_1.
674 (count_basic_blocks): New.
675 (find_basic_blocks_1): Split out edge recognition, unreachable
677 (create_basic_block): New.
678 (compute_bb_for_insn): New.
680 (free_bb_memory): Kill.
681 (add_edge, add_edge_to_label): Kill.
682 (mark_label_ref): Kill.
683 (make_edges): Rewrite to use edge lists.
684 (make_edge, make_label_edge): New.
685 (mark_critical_edges): New.
686 (split_edge, insert_insn_on_edge): New.
687 (commit_one_edge_insertion, commit_edge_insertions): New.
688 (delete_unreachable_blocks): Rewrite to use edge lists.
689 Split out EH region manipulation into delete_eh_regions.
690 Call tidy_fallthru_edge and merge_blocks.
691 (delete_eh_regions): New.
692 (delete_note_p): New.
693 (delete_insn_chain): New.
694 (delete_block): Split out code into delete_insn_chain and
695 tidy_fallthru_edge. Update edge lists.
696 (expunge_block): New.
697 (flow_delete_insn): New?
698 (can_delete_label_p): New?
699 (merge_blocks_nomove, merge_blocks): New.
700 (tidy_fallthru_edge): New.
701 (calculate_loop_depth): New.
702 (life_analysis): Allocate and free uid_volatile.
703 (free_basic_block_vars): Update for new structures.
704 (record_volatile_insns): Use SET_INSN_VOLATILE.
705 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
706 (mark_used_regs): Likewise.
707 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
708 local_set regsets. Use bb->aux to store new_live_at_end. Begin
709 life propagation from EXIT_BLOCK rather than last block. Clear
710 regs_ever_live after mark_regs_live_at_end.
711 (allocate_for_life_analysis): Update for new structures.
712 (propagate_block): Split out loop depth calculation to
713 calculate_loop_depth.
714 (regno_uninitialized): Use bb->global_live_at_start.
715 (regno_clobbered_at_setjmp): Likewise.
716 (dump_bb_data): Likewise.
717 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
718 (dump_flow_info): Update for new structures.
719 (dump_edge_info): New.
720 (print_rtl_with_bb): Update for new structues.
721 (compute_preds_succs): Do no work -- convert edge lists.
722 (set_block_for_insn): From corpse of old set_block_num.
723 (set_block_num): Call it.
725 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
726 * rtl.h (rtunion_def): Add bb entry.
727 (NOTE_BASIC_BLOCK): New.
728 (NOTE_INSN_BASIC_BLOCK): New.
730 * varray.h (varray_data_tag): Add bb entry.
731 (VARRAY_BB_INIT, VARRAY_BB): New.
733 * emit-rtl.c (emit_label_before): New.
735 * except.c (expand_rethrow): Delete insns following the call to
736 rethrow. Put the REG_EH_RETHROW on the call.
738 * jump.c (returnjump_p, returnjump_p_1): New.
740 * expr.h (nonlocal_goto_handler_labels): New declaration.
741 * function.c (nonlocal_goto_handler_labels): Define it.
742 (push_function_context_to): Save it.
743 (pop_function_context_from): Restore it.
744 (init_function_start): Clear it.
745 (nonlocal_label_rtx_list): Kill.
746 * function.h (struct function): Add storage space for it.
747 * stmt.c (expand_nl_handler_label): Return the new label.
748 (expand_nl_goto_receivers): Collect a list of them in
749 nonlocal_goto_handler_labels.
751 * Makefile.in (print-rtl.o): Depend on basic-block.h.
752 (flow.o): Depend on insn-flags.h.
754 * function.c (thread_prologue_and_epilogue_insns): Do not
755 half-heartedly update bb structures.
757 * toplev.c: Add flow2 dump as -dw.
758 (rest_of_compilation): Finish .greg before flow2.
760 * graph.c (draw_edge): Handle class 3.
761 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
762 change non-fall-thru but adjacent to green class 3. Update
763 to use new structures.
765 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
767 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
769 (reg_to_stack): Initialize block_num to -1.
771 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
772 to basic_block_live_at_start to bb->global_live_at_start.
773 (try_combine): Likewise.
774 (reg_dead_at_p): Likewise.
775 * global.c (global_conflicts): Likewise.
776 Handle stack regs on all abnormal edges, not just computed jumps.
777 (mark_elimination): Update reference to basic_block_live_at_start.
778 (build_insn_chain): Likewise.
779 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
780 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
781 of nonlocal_label_rtx_list.
782 (check_live_1): Update reference to basic_block_live_at_start.
783 (update_live_1): Likewise.
784 (find_pre_sched_live): Likewise.
785 (find_post_sched_live): Likewise.
786 * local-alloc.c (update_equiv_regs): Likewise.
787 (block_alloc): Likewise.
788 * reload1.c (reload, reload_combine): Likewise.
789 * regmove.c (mark_flags_life_zones): Likewise.
790 * resource.c (mark_target_live_regs): Likewise.
791 * sched.c (schedule_block): Likewise.
793 * regclass.c (regset_release_memory): Don't free
794 basic_block_live_at_start.
796 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
798 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
800 * fixinc.wrap: Also handle struct queue in sys/stream.h.
801 * fixinc.svr4: Likewise.
803 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
804 rather than asserting it.
806 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
808 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
809 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
810 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
813 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
814 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
815 scan-decls.o): Don't depend on machmode.h.
817 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
818 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
820 * cppfiles.c: Likewise.
822 * cpplib.c: Likewise.
824 * cpplib.h: Likewise. Also don't include machmode.h anymore.
826 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
828 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
829 * objc/lang-specs.h: Likewise.
831 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
833 * pa.md (call patterns): Lose unused argument to output_call.
835 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
837 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
839 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
840 first argument. All callers changed.
842 (cpp_lookup, cpp_install): Change all refs to hashtab to
844 (cpp_hash_cleanup): Removed.
845 * cpphash.h: Adjust prototypes.
846 * cpplib.h (struct cpp_reader): Add hashtab pointer.
847 * cppinit.c (cpp_reader_init): Also allocate space for the
849 (cpp_cleanup): Delete all macros and free the hashtab.
851 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
853 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
856 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
857 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
858 * calls.c (expand_call): Likewise.
860 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
862 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
863 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
864 arguments in registers.
865 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
866 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
869 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
871 * cse.c (dump_class): Revert last change and make the prototype
874 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
876 * rtl.h (insn_first_p): Don't declare.
877 * rtlanal.c (insn_first_p): Delete.
878 * loop.c (loop_insn_first_p): Faster implementation.
880 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
882 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
883 (TARGET_3, TARGET_6): Delete.
884 (ARM_FLAG_ARM[36]): Delete.
885 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
886 (CC1_SPEC): Don't expand -m[236] into new equivalents.
887 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
888 * arm.c (arm_override_options): Delete warnings about deprecated
891 * arm.c (arm_finalize_pic): Build the label into the special pic
892 adjustment insn instead of issuing it separately.
893 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
896 * arm.md (*zeroextractqi_compare0_scratch): Delete.
897 (*ne_zeroextractsi): New pattern.
899 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
901 * stmt.c (expand_end_loop): Grok code emitted by
902 expand_exit_loop_if_false.
904 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
906 * config/arm/arm.c (return_in_memory): Float fields in unions
907 force a return in memory.
908 (load_multiple_sequence): Add comment explaining why two LDR
909 instructions can be better than an LDMIA instruction.
911 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
912 describing the real meaning of this option.
913 (FIXED_REGISTERS): Default r10 to not-fixed.
914 (CALL_USED_REGISTERS): Default r10 to not-call-used.
915 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
917 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
918 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
919 performing other checks.
921 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
922 (extendhisi2): Undo previous change.
923 Also add comments describing why TARGET_SHORT_BY_BYTES can be
924 ignored for armv4(t) architectures.
926 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
929 * config/arm/riscix1-1.h
930 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
932 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * cse.c (dump_class): Make the function definition static to match
937 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
939 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
941 * dwarf2out.c (add_location_or_const_value_attribute): Add big
942 endian correction for parms passed in regs but living on the stack.
944 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
946 * calls.c (initialize_argument_information): New function extracted
948 (expand_call): Use initialize_argument_information. Remove variables
949 which are no longer used due to cleanups.
951 * calls.c (compute_argument_block_size): New function, extracted from
953 (expand_calls): Use compute_argument_block_size. Delete
954 original_args_size, use unadjusted_args_size instead.
956 * calls.c (precompute_arguments): New function, extracted from
958 (expand_call): Use precompute_arguments.
960 * calls.c (finalize_must_preallocate): New function, extracted from
962 (expand_call): Use finalize_must_preallocate.
964 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
966 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
967 An alternative always fails if it needs a pseudo and no suitable
968 register class can be found.
970 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
972 * loop.h (loop_insn_first_p): Declare.
973 * loop.c (loop_insn_first_p): No longer static.
974 * unroll.c (iteration_info) Fix comparison to
975 reg_iv_type->num_elements.
976 Before accessing reg_biv_class, check index against
978 Fix and enable code for giv iterators.
979 (loop_iterations): Compare with reg_iv_type->num_elements instead
980 of with max_reg_before_loop.
982 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
984 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
986 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
988 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
989 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
991 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
993 * config/i386/i386.md: fix typoe.
995 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
997 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
998 frame_pointer_needed adjust frame size.
999 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
1000 in .frame pseudo-op.
1001 Frm Jim Wilson <wilson@cygnus.com>:
1002 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
1003 when TARGET_MIPS16 && frame_pointer_needed.
1005 1999-02-22 Nick Clifton <nickc@cygnus.com>
1007 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
1008 Add -mno-sched command line switch to disable scheduling of
1009 instructions into the function's prologue.
1010 (enum processor_type): Remove.
1011 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
1012 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
1013 fields with 'processors' field.
1014 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
1015 checking is not enabled.
1016 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
1018 * config/arm/arm.c: (arm_cpu): Remove.
1019 (tune_flags): Remove.
1020 (arm_is_strong): New variable: true iff the target processor is a
1022 (arm_is_6_or_7): New variable: true iff the target processor is an
1024 (arm_select): Fields reorganised.
1025 (struct processors): processor_type field removed.
1026 (all_procs): Remove.
1027 (all_cores): New array: Definitions of all known ARM cpu cores.
1028 (all_architectures): New array: Definitions of all known ARM
1031 (FL_SCHED): New processor flag: processor required load
1033 (FL_STRONG): New processor flag: processor is a StrongARM.
1034 (arm_override_options): Reorganised to make code clearer.
1035 (use_return_insn): Test for "not (TARGET_APCS and
1036 frame_pointer_needed)".
1037 (arm_return_in_memory): Improve handling of structures.
1039 * config/arm/arm.md: Remove "cpu" attribute. Replace with
1040 "is_strongarm" and "is_arm_6_or_7" attributes.
1041 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
1043 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
1045 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
1047 1999-02-22 Philip Blundell <philb@gnu.org>
1049 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
1050 definition with one including cache synchronisation.
1051 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
1052 Move definition of inhibit_libc to...
1053 * config/arm/xm-linux.h: ... here.
1055 * config/arm/t-linux: Disable multilib configurations since the
1056 only effect for most people is to cause builds to fail.
1058 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
1059 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
1061 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
1062 (HANDLE_SYSV_PRAGMA): Likewise.
1063 (LIB_SPEC): Copy definition from generic Linux files.
1064 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
1065 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
1066 (DWARF2_DEBUGGING_INFO): Define.
1067 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
1069 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1071 * loop.c (libcall_other_regs): Make extern.
1072 * rtl.h (find_last_value): Add parameter to prototype.
1073 (libcall_other_reg): Add extern declaration.
1074 * rtlanal.c (find_last_value): Add another parameter to allow
1075 a definition using a hardware register to be found as well.
1077 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
1079 * cse.c (dump_class): New function.
1080 (invalidate_memory): Fix typo in comment.
1081 * function.c (temp_slot): Add an alias set field.
1082 (assign_stack_temp): Only reuse slots if they will have the
1083 same alias set as before.
1084 (combine_temp_slots): Don't combine if -fstrict-aliasing;
1086 * rtl.c (copy_rtx): Copy all the flags (in particular,
1089 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1091 * configure.in (i[34567]86-*-linux-gnu*,
1092 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1093 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1096 * configure: Rebuilt.
1098 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
1101 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
1103 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
1104 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
1105 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
1108 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1110 * objc/objc-act.c (encode_type): Temporary revert to the old
1111 behavior of encoding types as the new one seems to break the
1112 encoding of bitfields.
1114 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
1115 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
1117 * Makefile.in (all.internal, all.cross): Depend on `doc'
1118 target, to ensure docs get made before installation.
1121 Decrease spurious warnings from -fsyntax-only:
1122 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
1124 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
1126 * c-lex.c (yylex): Replace warning about integer constants being
1127 larger than long-longs, with a warning about integer constants
1128 being larger than the largest target integer.
1130 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
1132 Fix -fsyntax-only ICEs:
1133 * varasm.c (assemble_zeros, assemble_variable,
1134 output_constant_def): Do nothing when -fsyntax-only.
1136 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
1138 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
1139 * configure: Rebuilt.
1141 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
1143 * version.c: Bump for snapshot.
1145 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
1147 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
1148 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
1149 * tm.texi: Update docs for constructors and destructors.
1151 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
1153 * genattrtab.c (check_attr_value): Allow negative const_int if
1154 negative_ok. Accept integral arithmetic operators. Accept
1155 direct references to other attributes. Accept symbol_ref in
1156 non-constant attributes.
1157 (max_attr_value): Add new argument `unknownp'. Update all callers.
1158 (or_attr_value): Likewise.
1159 (simplify_knowing): Don't optimize if max_attr_value unknown.
1160 (write_length_unit_log): Likewise with or_attr_value.
1161 (find_and_mark_used_attributes): Don't fallthru case.
1162 (write_attr_set): Pass thru all non-cond expressions.
1163 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
1165 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1167 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
1169 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
1171 * regmove.c (discover_flags_reg): Remove cc0 code.
1172 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
1173 a potential flags register was identified.
1175 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1177 * rs6000.md (scc plus ltu): Fix typo in last change.
1179 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
1181 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
1183 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
1185 * regmove.c (discover_flags_reg): New function.
1186 (flags_set_1, mark_flags_life_zones): New functions.
1187 (regmove_optimize): Call them.
1188 (fixup_match_1): Use insn modes rather than sets_cc0_p.
1190 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1192 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
1194 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
1195 Use loop_insn_first_p.
1197 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
1198 David Edelsohn <edelsohn@mhpcc.edu>
1200 * rs6000.md (scc plus eq): Fix output template.
1201 (scc plus ltu): Fix output template and collapse variants
1202 correcting early clobbers.
1203 (scc plus geu): Fix output template.
1204 (scc plus gt): Fix output template.
1205 (scc plus gtu): Fix output template and collapse variants.
1207 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1209 * cppinit.c (print_help): Remove unescaped newline in string.
1211 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1213 * loop.c (strength_reduce): Check for intervening jumps when
1214 converting biv increment to giv.
1216 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
1218 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
1219 * expr.c (expand_expr): Support new tree nodes.
1221 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1223 * config/m68k/m68k.c (m68k_align_loops_string,
1224 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
1225 * config/m68k/m68k.h (m68k_align_loops_string,
1226 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
1228 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1230 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
1232 * bitmap.h (bitmap_print): Likewise.
1234 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
1236 * c-lang.c (build_objc_string): Likewise.
1238 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
1239 limits.h or ctype.h. Remove unused variable `p'.
1241 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
1243 * c-pragma.c (handle_pragma_token): Likewise.
1245 * c-pragma.h (handle_pragma_token): Likewise.
1247 * c-tree.h (build_objc_string, builtin_function, grokfield,
1248 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
1249 pedwarn_init): Likewise.
1251 * c-typeck.c (convert_for_assignment, warn_for_assignment,
1252 push_string, warning_init, incomplete_type_error,
1253 build_indirect_ref, lvalue_or_else, readonly_warning,
1254 build_c_cast, spelling, push_member_name, print_spelling,
1255 error_init, pedwarn_init, start_init): Likewise.
1257 * objc/objc-act.c (build_objc_string): Likewise.
1259 * print-tree.c (print_node_brief, print_node): Likewise.
1261 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
1263 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@mhpcc.edu>
1265 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
1267 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
1269 * configure.in :Handle OpenBSD platforms.
1270 * configure: Rebuilt.
1271 * config/openbsd.h: New file.
1272 * config/xm-openbsd.h: New file.
1273 * config/t-openbsd: New file.
1274 * config/t-openbsd-thread: New file.
1276 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
1278 * function.c (assign_stack_temp_for_type): Round SIZE before calling
1279 assign_stack_local for BLKmode slots.
1281 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1283 * loop.c (strength_reduce): For derived givs, replace the
1284 giv this was derived from with its new_reg.
1285 (recombine_givs): Don't set new_reg for derived giv.
1286 And don't print it, print SUM instead.
1288 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
1290 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
1292 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1294 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
1295 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
1297 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
1298 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1299 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
1300 cpp_pending, version_string, struct default_include,
1301 include_defaults_array, path_include, cpp_options_init,
1302 dump_special_to_buffer, initialize_builtins, cpp_start_read,
1303 cpp_reader_init, nreverse_pending, push_pending, print_help,
1304 cpp_handle_option, cpp_handle_options, cpp_finish,
1305 cpp_cleanup): Move to cppinit.c.
1306 (macro_cleanup, struct arglist, collect_expansion,
1307 create_definition, compare_defs, comp_def_part, ARG_BASE,
1308 struct argdata, macarg, change_newlines, timestamp,
1309 monthnames, special_symbol, unsafe_chars, macroexpand,
1310 push_macro_expansion): Move to cpphash.c.
1311 (quote_string, check_macro_name, cpp_expand_to_buffer,
1312 output_line_command, cpp_undef): Export.
1313 (null_underflow, null_cleanup, handle_directive): Make static.
1315 * cpplib.h: Prototype now-exported functions. Adjust decls of
1316 syntax tables so we can include cpplib.h in cppinit.c.
1317 * cpphash.h: Prototype all functions exported by cpphash.c.
1318 * cppinit.c: Make syntax tables initialized data if possible
1319 (uses GCC designated-initializer extension).
1320 * cppexp.c: Make cpp_lex static.
1321 * Makefile.in: Move -D switches for the various include dirs
1322 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
1324 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
1326 * alpha/openbsd.h: New file.
1327 * alpha/xm-openbsd.h: New file.
1328 * sparc/openbsd.h: New file.
1329 * sparc/xm-openbsd.h: New file.
1330 * m68k/openbsd.h: New file.
1331 * m68k/xm-openbsd.h: New file.
1332 * i386/openbsd.h: New file, originally from netbsd.
1333 * i386/xm-openbsd.h: New file.
1335 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1337 * Makefile.in: Correct dependencies for cpplib object files.
1339 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
1341 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
1344 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1346 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
1349 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1351 * tree.c (tree_node_kind_names, print_obstack_name,
1352 get_identifier, maybe_get_identifier, build_string,
1353 build_expr_wfl, is_attribute_p, lookup_attribute,
1354 print_obstack_statistics, get_file_function_name_long, tree_check,
1355 tree_class_check, expr_check): Qualify a char* with the `const'
1358 * tree.h (get_identifier, maybe_get_identifier, build_string,
1359 build_expr_wfl, is_attribute_p, lookup_attribute,
1360 print_obstack_statistics, print_obstack_name, tree_check,
1361 tree_class_check, expr_check): Likewise.
1363 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
1365 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
1368 * calls.c (store_one_arg): Mark any slots used for the argument
1369 as in-use immediately after we're done saving any slots which
1370 will be overwritten by this argument.
1372 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
1374 * rs6000.md (call_value): Fix typo.
1376 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1378 * loop.c (strength_reduce): Calculate maybe_dead before
1379 calling recombine_givs.
1381 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1383 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
1385 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
1387 * objc/objc-act.c (encode_type): Encode the type instead of
1388 encoding the mode of the type (patch from Richard Frith-Macdonald
1389 <richard@brainstorm.co.uk>).
1391 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
1393 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
1394 instruction killed in previous change. Simplify mask generation.
1395 (*zeroextractsi_compare0_scratch): Simpify mask generation.
1397 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
1399 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
1400 bitfield does not overflow a byte boundary.
1402 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
1404 * c-common.c (shorten_compare): Get the min/max value from the
1405 underlying type of an enumeration, not the enumerated type itself.
1407 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
1409 * jump.c: Include insn-attr.h.
1410 (delete_computation): If reload has completed and insn scheduling
1411 after reload is enabled, then do not depend on REG_DEAD notes.
1412 * Makefile.in (jump.o): Depend on insn-attr.h.
1414 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
1416 * i386.md (addsi3): Allow lea for any constant_p.
1418 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1420 * toplev.c (documented_lang_options): Remove -fident and
1421 -fnoident, which are now handled by the language independent
1424 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1426 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
1427 * c-lex.c: Likewise.
1428 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
1429 list in malloced memory for the buffer stack.
1430 (cpp_get_token): Don't pop the last buffer off the stack.
1431 Calls after CPP_EOF has been returned produce CPP_EOF with no
1433 (cpp_finish): Pop last buffer here.
1434 (do_line): Don't free ip->last_nominal_fname if it is equal to
1436 (special_symbol): If a T_CONST is the empty string, push a
1437 single `@ ' escape instead.
1438 (macroexpand): Special symbol buffers have escapes too.
1439 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
1441 (struct cpp_reader): Remove buffer_stack. Add
1443 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
1446 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1448 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
1449 WIDE_INT with WIDEST_INT.
1452 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
1453 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
1454 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
1455 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
1456 definition of variable `c89' when compiling a test binary and set it.
1458 * system.h: Don't define the PRINTF_PROTO_* macros.
1460 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
1462 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
1463 we do not understand, mark the loop and containing loops as invalid.
1465 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1467 * alias.c (init_alias_analysis): Avoid self-referential value
1468 when setting reg_known_value from REG_EQUAL notes.
1470 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1472 * i386.c (legitimate_address_p): Verify modes of base and index.
1474 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1476 * i386.c (legitimate_pic_address_disp_p): Remove static.
1477 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1480 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1482 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1483 * explow.c (probe_stack_range): Likewise.
1484 * expmed.c (do_cmp_and_jump): Likewise.
1485 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1486 (do_tablejump): Likewise.
1487 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1488 (do_jump_if_equal, emit_case_nodes): Likewise.
1489 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1490 then convert comparison to an unsigned code before emitting the jump.
1491 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1493 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1495 * version.c: Bump for snapshot.
1497 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1499 * version.c: Bump for snapshot.
1501 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1503 * loop.c: Disable recent loop changes. Temporary as Joern
1504 continues to fix problems.
1506 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1508 * loop.c (combine_givs_used_by_other): Delete.
1509 (combine_givs_benefit_from): Delete.
1510 (combine_givs): Deny combination of givs only used once. Simplify
1511 code with the death of combine_givs_benefit_from.
1513 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1515 * loop.c (scan_loop): Call reg_in_basic_block_p before
1516 loop_reg_used_before_p.
1518 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1520 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1524 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1525 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1526 in the constant pool aren't valid.
1527 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1529 * arm.c: Include "system.h", not stdio.h and string.h.
1531 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1533 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1534 (optimize_tail_recursion): Change return type from void to int.
1535 Add return statements.
1536 * tree.h (optimize_tail_recursion): Change prototype to match.
1538 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * reload.c (find_reloads_subreg_address): New function, broken out of
1541 find_reloads_toplev.
1542 (find_reloads_toplev, find_reloads_address_1): Use it.
1544 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1546 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1547 extending a CONST_INT.
1549 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1551 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1553 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1555 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1557 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1559 * loop.c (load_mems): Don't guess how to do a load / store, use
1562 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1564 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1566 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1568 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
1570 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
1572 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
1573 pseudo which is homed in the stack.
1575 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
1576 (compute_frame_size): Change loop over FP regs to be consistent
1577 with the loop in save_restore_insns.
1579 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
1581 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
1582 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
1584 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
1586 * mn10200.md (bset); Re-enable.
1588 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1590 * sh.md (is_sfunc): New attribute.
1591 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
1593 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
1595 * fold-const.c (range_binop): Take account of the bounded nature
1596 of fixed length arithmetic when comparing unbounded ranges.
1598 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
1600 * function.c (assign_stack_temp_for_type): Clear best_p
1601 when an exact match is found.
1603 * i386.h (LOCAL_ALIGNMENT): Define.
1604 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
1605 (assign_stack_temp_for_type): New function based on assign_stack_temp.
1606 (assign_stack_temp): Call it.
1607 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
1608 * stmt.c: Use assign_temp, not assign_stack_temp.
1609 * tm.texi: Document LOCAL_ALIGNMENT.
1611 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
1613 * reorg.c: Finish deleting half-deleted comment.
1615 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
1617 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
1619 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
1621 * real.c (endian): Delete sign extension code.
1622 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
1623 replaced with operand_subword call.
1625 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
1627 * alpha.md (cmov compound patterns): Delete. Jump can now
1628 create the correct constructs in the first place.
1630 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
1632 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
1634 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
1636 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
1638 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
1640 * tmp-emsgids.c: Delete.
1642 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
1644 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
1647 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
1649 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
1651 * reload1.c (reload_combine_note_store): Second argument is no
1652 longer unused/ignored. Handle multi-register hard regs.
1653 (move2add_note_store): Simplify.
1655 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
1657 * collect2.c (collect_execute): Remove cygwin-specific code.
1659 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
1661 * system.h (_, N_): Remove dummy i18n macros.
1662 * protoize.c: Move inclusion of intl.h to after system.h.
1663 * cexp.y: Include intl.h.
1666 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
1668 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
1669 fpic/fPIC for windows32 targets.
1670 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
1672 * i386/mingw32.h (CPP_SPEC): Define.
1673 (CPP_PREDEFINES): Add MINGW32 version id.
1674 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
1676 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
1677 add missing exeext to target.
1679 * gcc.c (convert_filename): Handle null filename argument.
1681 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1683 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
1684 m constraint instead of QT.
1686 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
1688 * cpplib.c (special_symbol): Move IP to be declared in function
1689 scope, rather than individual case statements.
1691 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1693 * cppfiles.c (finclude): Handle pipes properly under old BSD
1696 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
1698 * system.h: Provide fallback definitions for S_ISCHR,
1699 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
1701 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1703 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
1705 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
1707 * configure.in: For PowerPC configurations, accept "401", "ec603e",
1708 "740", and "750" as valid arguments to --with-cpu.
1709 * configure: Rebuilt.
1711 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
1713 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
1714 * configure: Rebuilt.
1716 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
1718 * rs6000.md: Revert "alternate use of crs if cr0 not available"
1719 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
1721 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
1723 * output.h (current_function_has_computed_jump): Rename from
1724 current_function_addresses_labels.
1725 * function.h (struct function): Likewise for addresses_labels member.
1726 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
1727 * function.c (current_function_has_computed_jump): Likewise.
1728 Update all references.
1729 * integrate.c (function_cannot_inline_p):
1730 Test current_function_has_computed_jump instead of addresses_labels.
1731 (initialize_for_inline): Likewise save.
1732 (output_inline_function): Likewise restore.
1734 * expr.c (expand_expr): Don't reference addresses_labels variables.
1735 * stmt.c (expand_computed_goto): Set has_computed_jump.
1737 1999-02-08 Michael Meissner <meissner@cygnus.com>
1739 This is being installed only to get it into the repository to help
1740 with the revert, resubmit & review process for the massive rs6000.md
1742 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
1744 (anddi3_internal1): Ditto.
1745 (andsi3_internal{2,3}): Correct some insn lengths.
1746 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
1749 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
1751 * loop.c (reg_single_usage): New file-scope variable ...
1752 (scan_loop): ... moved out of here. Always initialize.
1753 Test loop_has_call instead of reg_single_usage not zero.
1754 Free reg_single_usage after strength reduction.
1755 (count_loop_regs_set): Assume single_usage non-zero.
1756 (combine_givs_used_by_other): Test reg_single_usage.
1757 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
1758 as a parameter. Assume non-zero.
1760 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
1762 * cpplib.c (special_symbol): Rewrite. Don't copy things
1763 multiple times. Handle __STDC__ specially. T_CONST
1764 indicates a constant /string/. Don't handle T_*_TYPE and
1765 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
1766 adjust_position. Determine the file buffer only if needed.
1767 (initialize_builtins): Handle __SIZE_TYPE__,
1768 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
1769 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
1770 Don't provide __OBJC__; the driver does that. Provide
1771 __STDC_VERSION__, using T_CONST. Use T_STDC for
1772 __STDC__. Give install the length of all symbols defined.
1773 (eval_if_expression): Drop code to insert and remove the
1774 "defined" special symbol.
1776 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
1777 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
1779 * cpphash.c (install): Drop the `ivalue' parameter. Constify
1780 the `value' parameter. All callers changed.
1781 * cpphash.h (install): Change prototype to match.
1782 (union hashval): Remove `ival' member.
1783 * cppexp.c (cpp_lex): Handle `defined' here.
1785 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
1787 * pa.h (EXTRA_CONSTRAINT): Fix comment.
1789 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1791 * c-typeck.c (check_init_type_bitfields): Use nonincremental
1792 initialization of unions whose first member is a bitfield.
1793 Remove unnecessary code for checking the declaration mode
1794 after DECL_C_BIT_FIELD.
1796 * varasm.c (output_constructor): Additional comment about the
1797 constructor of bitfield union initialization.
1799 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1801 * config/c4x/c4x.md (*movhi_stik): New pattern.
1802 (movhi): Allow some immediate constants to be directly
1805 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1807 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
1808 (call, call_value): Force address into a register if not valid
1809 for a call instruction.
1810 (load_immed_address): Emit a USE of the SYMBOL_REF that is
1812 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
1814 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1816 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
1817 Rename from call_operand and symbolic_operand respectively. All
1819 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
1821 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
1823 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
1825 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1827 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
1828 LO_SUM address for HImode or HFmode but instead force address into
1829 a register so that it is offsettable.
1830 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
1832 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1834 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
1835 REG+REG addressing if strength reduction enabled.
1837 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1839 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
1840 (TARGET_LIBGCC2_CFLAGS): Define.
1842 1999-02-08 Nick Clifton <nickc@cygnus.com>
1844 * config/v850/v850.md: Replace \\n\\t with \\;
1846 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
1847 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
1848 Enforce TARGET_LONG_CALLS option.
1850 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
1852 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
1854 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
1856 * m88k/t-luna-gas: Remove bash dependency.
1858 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
1860 * collect2.c (xrealloc): Fix typo in last change.
1862 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
1864 * version.c: Bump for snapshot.
1866 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
1868 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
1869 that we do not want macro replacement within a character constant.
1870 (TYPE_CHECK1): Likewise.
1872 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
1874 * tree.h (DECL_P): New macro.
1876 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1878 * version.c: Bump for snapshot.
1880 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
1882 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
1884 * README.g77, gcc.c, gcc.texi: Update email addresses.
1885 * invoke.texi system.h: Likewise.
1887 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
1889 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
1890 to convert dest_reg to new_reg.
1892 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
1894 * reload1.c (reload_combine_note_store): Be more careful with
1895 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
1896 (move2add_note_store): Likewise.
1898 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
1901 U_CHAR* when assigning to one. Ensure the values of a ?: operator
1904 * cppinit.c (initialize_char_syntax): Use K&R function definition.
1906 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
1909 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
1910 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
1911 (TARGET_CPU_DEFAULT): Rework to support ARM9.
1912 (CPP_CPU_ARCH_SPEC): Likewise.
1913 (enum processor_type): Likewise.
1914 * config/arm/arm.md (attr cpu): Add arm9.
1916 General scheduling changes
1917 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
1918 (max_insns_skipped): New variable.
1919 (arm_override_options): If generating hard floating point code for
1920 the FPA, emit code for version 3.
1921 When optimizing for space, don't synthesize constants.
1922 Reword several flags based on the requested processor and optimization
1924 (use_return_insn): New argument iscond, all callers changed. Don't
1925 use a return insn if it will be conditional and that would be
1926 expensive; eg on StrongARM.
1927 (arm_adjust_cost): Anti- and output- dependencies normally have no
1929 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
1930 the sequence is short.
1931 (final_prescan_insn): Use max_insns_skipped instead of
1932 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
1933 conditional, and aviod this if it would be expensive.
1934 * config/arm/arm.md (scheduling attributes and function units):
1935 Rewrite to better describe ARM8, 9 and StrongARM.
1937 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
1939 (*ifcompare_plus_move): Use arm_rhs_operand in place of
1940 arm_rhsm_operand. Rework constraints.
1941 (*if_plus_move): Likewise.
1942 (*ifcompare_move_plus): Likewise.
1943 (*if_move_plus): Likewise.
1944 (*ifcompre_arith_move): Likewise.
1945 (*if_arith_move): Likewise.
1946 (*ifcompare_move_arith): Likewise.
1947 (*if_move_arith): Likewise.
1949 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
1951 1999-02-05 Michael Meissner <meissner@cygnus.com>
1953 * loop.c (check_dbra_loop): A store using an address giv for which
1954 we have no life information is not reversible.
1956 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
1958 * function.c (fixup_var_refs): Scan catch_clauses too.
1960 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
1962 * c-common.c (decl_attributes): Fix reserved space for init_priority.
1963 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
1965 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
1967 * loop.c (strength_reduce): Clear not_every_iteration when
1968 passing the NOTE_INSN_LOOP_CONT note.
1970 * haifa-sched.c (add_dependence): Do not add a dependency on a
1973 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
1975 * recog.c (split_block_insns): Only call update_flow_info if
1976 instruction scheduling is enabled.
1978 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1980 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
1982 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1984 * loop.c (first_loop_store_insn): New file-scope variable.
1985 (prescan_loop): Set it.
1986 (check_dbra_loop): Check if a store depends on a register
1987 that is set after the store.
1989 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1991 * unroll.c (entire file): Remove tabs / spaces at end of lines.
1992 Replace spaces with tabs where appropriate.
1994 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1996 * loop.c (scan_loop): New argument loop_cont. Changed caller.
1997 (strength_reduce): New argument loop_cont. Changed caller.
1998 Before clearing not_every_iteration after a label, check if
1999 we are not already past LOOP_CONT.
2001 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2003 * cpperror.c (cpp_print_containing_files): Fix formatting
2004 bug induced by merge.
2006 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2008 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
2009 (cpp_define): Remove redundant syntax checks.
2010 (make_assertion): Rename cpp_assert, remove redundant syntax
2012 (cpp_options_init): Don't init things to zero twice.
2013 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
2014 (do_include): Kill excessively verbose #import warning that
2015 snuck back in in the gcc2 merge.
2016 (convert_string): Removed.
2017 (do_line): Rewrite with simple last-name-used cache instead of
2019 (cpp_start_read): Call initialize_char_syntax here, not...
2020 (cpp_reader_init): ...here.
2021 (cpp_handle_options): Support the -std switch.
2022 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
2023 (cpp_options): Add c9x flag.
2024 Declare all the is_* tables and trigraph table here, as const.
2025 Prototype cpp_assert and initialize_char_syntax.
2026 * cppinit.c: New file.
2027 * cppfiles.c (read_and_prescan): Optimize.
2028 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
2030 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
2032 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
2033 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
2034 before calling gen_div_trap.
2036 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
2038 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
2039 than numeric value for target_cpu_default..
2040 * configure: Rebuilt.
2042 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
2044 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
2045 mkstemp. Get them from libiberty.
2046 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
2047 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
2048 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
2049 (mkstemp.o, getopt1.o, getopt.o): Likewise.
2051 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
2053 * pa-hpux.h (LINK_SPEC): Likewise.
2054 * pa-hpux10.h (LINK_SPEC): Likewise.
2055 * pa-hpux9.h (LINK_SPEC): Likewise.
2056 * pa-osf.h: (LINK_SPEC): Likewise.
2057 * pa-pro.h (TARGET_DEFAULT): Likewise.
2058 * pa1.h (TARGET_DEFAULT): Likewise.
2059 * pa.h (MASK_*): New defines.
2060 (TARGET_*): Use symbolic values rather than numeric values.
2061 (TARGET_SWITCHES): Likewise.
2062 (TARGET_DEFAULT): likewise.
2063 (CPP_SPEC): likewise.
2065 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2067 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
2068 * reload.c (find_reusable_reload): New function, broken out of
2069 push_reload. Add code to verify that none of the involved
2070 outputs are subject to earlyclobbers.
2071 (push_reload): Break out new function find_reusable_reload.
2072 Delete "register" keyword for IN, OUT args.
2074 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
2076 * config/mips/mips.c (true_reg_or_0_operand) : New function.
2077 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
2078 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
2079 Use true_reg_or_0_operand for div_trap.
2081 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2083 * loop.h (express_from): Declare.
2084 (struct induction): Replace derived flag with derived_from pointer.
2085 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
2086 (express_from): No longer static.
2087 * unroll.c (find_splittable_givs): Replace derived with derived_from.
2088 When processing an address giv with which another giv has been
2089 combined that has also been derived from a third giv, handle like
2090 having combined with the third giv.
2091 Set splittable_regs_updates appropriately for derived givs.
2093 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
2095 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
2097 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
2099 * pa.c (insn_sets_and_refs_are_delayed): New function.
2100 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
2101 (INSN_REFERENCES_ARE_DELAYED): Likewise.
2103 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
2105 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
2106 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
2107 (TARGET_LIBGCC2_CFLAGS): Define.
2108 (LIBGCC2_DEBUG_CFLAGS): Define.
2109 * config/arm/t-netbsd: Likewise.
2110 * config/arm/t-semi: Likewise.
2111 * config/arm/t-semiaof: Likewise.
2112 * config/arm/t-riscix: Likewise.
2114 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2116 * config/m68k/m68k.c (print_operand_address): When printing a
2117 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
2119 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
2121 * i386/freebsd*.h now allows '$' in label names and does not use the
2122 PCC struct return method.
2124 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
2126 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
2127 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
2128 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
2129 names if host == target.
2130 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
2131 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
2132 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
2133 setting them to *_FOR_TARGET.
2134 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
2137 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2139 * toplev.h (read_integral_parameter): Declare.
2140 * toplev.c (read_integral_parameter): New function.
2142 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
2144 * resource.c, resource.h: New files.
2145 * Makefile.in (OBJS): Add it.
2147 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
2148 (split_block_insns): Moved to recog.c.
2149 (update_flow_info): Make public.
2150 * rtl.h: Declare them.
2152 * reorg.c: Moved the functions dealing with computing resource
2153 usage to resource.c.
2155 * sched.c (regno_use_in): Moved to rtlanal.c.
2156 (update_flow_info): Make public.
2157 (schedule_insns): Use split_block_insns.
2159 * recog.c (split_block_insns): New function.
2161 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
2163 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
2164 (LINK_OS_DEFAULT_SPEC): Delete, unused.
2166 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
2168 * configure.in (arm-*-oabi): Support.
2169 * configure: Regenerate.
2170 * config/arm/unknown-elf-oabi.h: New file.
2172 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
2174 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
2175 Make the anonymous pattern match when ! optimize_size.
2176 (ashlsi3 size optimizer): New pattern.
2178 * intl/Makefile.in (uninstall): Add missing "; \".
2180 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
2182 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
2185 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2187 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
2188 to after find_and_verify_loops call.
2190 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2192 * (recombine_givs): Don't use a giv that's likely to be dead to
2195 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
2196 wrap around when deriving givs.
2198 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
2200 * recog.c (check_asm_operands): Treat indeterminate operand ok
2201 results as success. Try harder to resolve a matching constraint.
2202 * stmt.c (expand_asm_operands): Recognize when an output operand's
2203 constraint does not allow memory. Treat indeterminate operand ok
2204 results as failure. Try harder to resolve a matching constraint.
2206 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
2208 Use varrays for constant-equivalence data:
2210 * varray.h (struct const_equiv_data): New type.
2211 (union varray_data_tag): New element const_equiv.
2212 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
2213 (VARRAY_SIZE): New macro, returns number of elements.
2214 * integrate.h: Include varray.h.
2215 (struct inline_remap): Replace const_equiv_map, const_age_map and
2216 const_equiv_map_size with a const_equiv_varray element.
2217 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
2219 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
2220 simultaneously, growing the varray if needed.
2222 * integrate.c (global_const_equiv_map,
2223 global_const_equiv_map_size): Deleted, replaced by....
2224 (global_const_equiv_varray): New variable.
2225 (expand_inline_function): References changed.
2226 * integrate.h: Update declarations.
2228 * integrate.c (process_reg_parm, expand_inline_function,
2229 copy_rtx_and_substitute, try_constants, subst_constants,
2230 mark_stores): Use varray allocation and accessor macros, new
2231 integrate.h macros, and global_const_equiv_varray. Don't
2232 conditionalize non-NULL stores on array size; instead, expand the
2234 * unroll.c (unroll_loop): Likewise.
2236 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
2237 zero. After allocating varray, always exit through bottom of
2238 function, where it can be deallocated if needed. Don't explicitly
2239 reallocate const_equiv_map storage; instead, just ensure the
2240 varray has been initialized, and update the global reference.
2242 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * system.h (inline, const): Handle these for stage2 (and later) gcc.
2246 * dwarf2out.c (inline): Don't define.
2248 * dwarfout.c (inline): Likewise.
2250 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
2252 * loop.c (recombine_givs): Dump recombination and derivation data.
2254 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
2256 * flags.h: Declare flag_no_ident.
2257 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
2258 * c-tree.h: Don't declare flag_no_ident.
2259 * c-decl.c: Don't define flag_no_ident. Don't process
2260 -f(no-)ident switches here.
2262 * config/elfos.h (ASM_FILE_END): Output final .ident directive
2263 only if !flag_no_ident.
2264 * config/ptx4.h: Likewise.
2265 * config/svr4.h: Likewise.
2266 * config/alpha/elf.h: Likewise.
2267 * config/arm/linux-elf.h: Likewise.
2268 * config/i386/sco5.h: Likewise.
2269 * config/i860/fx2800.h: Likewise.
2270 * config/mips/gnu.h: Likewise.
2271 * config/i386/osfrose.h: Likewise.
2273 * gcc.c (C specs): Map -Qn to -fno-ident.
2274 * objc/lang-specs.h: Likewise.
2276 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2278 * configure.in: Don't remove loop.o and unroll.o when
2279 enable-haifa is selected.
2280 * configure: Rebuilt.
2282 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
2284 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
2285 movxfcc, movdicc): Delete unconstrained alternatives.
2286 * i386.c (output_fp_conditional_move,
2287 output_int_conditional_move): Delete unused case.
2289 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2291 * version.c: Bump for snapshot.
2293 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
2295 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
2296 instead of bis and cpys. Combine alternatives where possible.
2298 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2300 * gcov.c (fnotice): Add missing FILE* parameter.
2301 (function_summary): Fix format specifiers in calls to `fnotice'.
2302 (output_data): Likewise.
2304 * toplev.c (fnotice): Constify char* parameter.
2306 * toplev.h (fnotice): Add prototype.
2307 Wrap prototype with BUFSIZ to protect FILE* usage.
2309 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2311 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
2313 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
2315 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
2317 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
2318 function definition.
2319 (aliases_everything_p, write_dependence_p):Likewise.
2321 * install.texi: Fix merge lossages.
2323 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
2325 * collect2.c (main): Likewise.
2326 * cppmain.c (main): Likewise.
2327 * gcc.c (main): Likewise.
2328 * gcov.c (main): Likewise.
2329 * protoize.c (main): Likewise.
2330 * toplev.c (main): Likewise.
2332 * pa.md (parallel shift and shiftadd): Mark output of shift as an
2335 * loop.c: Disable recent loop changes. Temporary as Joern
2336 continues to fix problems.
2338 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2340 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
2342 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
2344 * emit-rtl.c (remove_insn): New function.
2345 * rtl.h (remove_insn): Add prototype.
2346 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
2348 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2350 * loop.c (recombine_givs): Don't try to derive givs that have combined.
2352 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2354 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
2355 when declaring arguments and calling va_arg() to initialize them.
2357 * collect2.c (notice): Likewise.
2359 * loop.c (find_life_end): Use PROTO() macro in the prototype.
2361 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2363 * collect2.c (error): Fix typo in declaration.
2365 * cpperror.c (cpp_message): Likewise.
2367 * cpplib.c (cpp_warning): Likewise.
2369 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
2372 * toplev.c (error): Fix typo in declaration.
2374 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2376 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
2377 forward from cont dominator.
2379 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2381 * cccp.c (eprint_string): Constify a char*.
2382 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2383 (vnotice): Constify a char*.
2384 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2385 (verror): Constify a char*.
2386 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
2387 (vwarning): Constify a char*.
2388 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
2390 (verror_with_line): Constify a char*.
2391 (vwarning_with_line): Likewise.
2392 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
2394 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
2396 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
2397 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
2398 Also correct typo in parameter name declaration.
2399 (make_assertion): Constify a char*.
2400 (quote_string_for_make): Likewise.
2401 (deps_output): Likewise.
2402 (fatal): Likewise. Use PVPROTO not VPROTO, add
2403 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
2404 "__attribute__ ((noreturn))".
2405 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
2406 (pfatal_with_name): Likewise.
2407 (pipe_closed): Likewise.
2408 (memory_full): Likewise.
2410 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2412 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
2413 may_not_optimize to proper size when converting biv increments
2415 If necessary, reallocate reg_iv_type / reg_iv_info before calling
2418 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2420 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
2421 generate complex adds. Changed caller.
2422 Don't generate adds that cost more than the original one.
2423 (strength_reduce): Warning fixes.
2425 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
2427 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
2428 * configure: Rebuilt.
2430 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2432 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
2433 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
2434 * loop.h (varray.h): Include.
2435 (struct induction): Change combined_with to unsigned.
2436 New members derived, ix and last_use.
2437 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
2438 (REG_IV_TYPE, REG_IV_INFO): Define.
2439 (first_increment_giv, last_increment_giv): Declare.
2440 * loop.c (loop_number_loop_cont): New static variable.
2441 (loop_number_cont_dominator): Likewise.
2442 (reg_iv_type, reg_iv_info): Now varray_type.
2443 (first_increment_giv, last_increment_giv): New variables.
2444 (compute_luids, verify_dominator, find_life_end): New functions.
2445 (cmp_recombine_givs_stats, recombine_givs): Likewise.
2446 (loop_optimize): Allocate loop_number_loop_cont and
2447 loop_number_cont_dominator. Use compute_luids.
2448 (find_and_verify_loops): Initialize loop_number_loop_cont and
2449 loop_number_cont_dominator.
2450 (strength_reduce): Try to find bivs that can be expressed as givs
2451 of another biv, and to convert biv increments into givs.
2452 Call recombine_givs. Handle derived givs.
2453 (record_biv): New argument location. All callers changed.
2454 (record_giv): Initialize derived and last_use fields.
2455 (basic_induction_var): New argument location. All callers changed.
2456 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
2457 Increment combined_with instead of setting to 1.
2458 * unroll.c (derived_regs): New static variable.
2459 (unroll_loop): Initialize it.
2460 Allocate local_regno according to max_reg_num.
2461 (copy_loop_body): Cope with derived givs.
2462 (find_splittable_givs): Check for Givs made from biv increments.
2463 Set derived_regs for givs.
2464 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
2466 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2468 * function.c (purge_addressof_1): Handle case when a register
2469 has been used in a wider mode.
2471 1999-01-27 Bruce Korb <autogen@linuxbox.com>
2473 * fixinc/fixincl.c, fixinc/server.[ch]:
2474 Removed the last of the capitalized variable and proc names.
2476 * fixinc/server.c: Removed the process open code
2477 * fixinc/procopen.c: New file containing the proc open code
2478 * fixinc/inclhack.tpl: Added code to bypass a readability test
2479 when a file is not present. A problem on some systems.
2480 * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated
2482 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2484 * cpplib.h (cpp_notice): Add prototype.
2486 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2488 * Merge gcc2 snapshot 19980929.
2490 * cccp.c (PRINTF_PROTO): Remove.
2491 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2493 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2495 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2496 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2497 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2499 * gen-protos.c (hashf): Delete in cpphash.o
2500 * gen-protos.c (hashf): Delete in cpphash.o
2502 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2503 * expmed.c: Likewise.
2504 * rs6000.md: Likewise.
2506 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2508 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2510 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2511 * rs6000.md (movsi, movdi): Likewise.
2513 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2515 * function.c (expand_function_end): Pass arg_pointer_save_area to
2516 validize_mem before using it. Emit code into a sequence.
2518 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2520 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2521 '#' to split patterns. Correct indentation of some new patterns.
2523 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2525 * cppfiles.c (safe_read): Deleted.
2526 (read_and_prescan): New function, replaces safe_read, converts
2527 and/or warns about trigraphs, silently converts odd line
2528 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2529 (finclude): Use read_and_prescan; turn off nonblocking mode on
2530 the input descriptor; remove file-size-examination and
2531 no-newline-at-EOF gunk which is longer necessary; be more
2532 careful about checking that we've been handed a legitimate
2533 file to read (only real files, pipes, and ttys are acceptable).
2534 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2535 `trigraphs' and invert its sense.
2536 (trigraph_table): Declare.
2537 (cpp_warning_with_line): Prototype.
2538 * cpplib.c: Remove all references to trigraph_pcp. Define
2539 trigraph_table; initialize it in initialize_char_syntax. Open
2540 files in nonblocking mode. s/no_trigraphs/trigraphs/
2541 throughout, and invert sense. Put cpp_warning_with_line back
2544 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2546 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2547 * config/c4x/c4x.md (*rptb_init): Change constraints.
2548 (rptb_end): Emit alternate looping instructions if
2549 RC register not allocated for loop counter.
2550 (decrement_and_branch_on_count): Allow other registers
2553 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2555 * cppexp.c (struct arglist): Removed.
2556 (parse_number): Use HOST_WIDE_INT for the accumulator.
2557 Allow two `l' suffixes unless C89. Clean up. Make static.
2558 (parse_charconst): New function broken out of cpp_lex.
2559 Code cleaned up drastically. Don't use a token_buffer.
2560 (token_buffer): Removed.
2561 (cpp_lex): Don't call parse_number on a constant string.
2562 Use parse_charconst.
2563 (cpp_parse_expr): Properly handle an ERROR op returned by
2566 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2568 * cpplib.c: Don't include signal.h, sys/times.h, or
2569 sys/resource.h. Don't declare localtime.
2570 (macroexpand): Handle special symbols here.
2571 (push_macro_expansion): Chop off the trailing '@ ' if possible
2573 (cpp_get_token): Don't do either of the above two things here.
2574 Move `string' label just after case '"' so that wide strings
2575 don't crash the preprocessor.
2577 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
2579 * rs6000.md (left shift + set cr patterns): Add missing '#' to
2581 (move register + set cr pattern): Ditto.
2582 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
2583 inadvertently deleted.
2585 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
2587 * stmt.c (stmt_loop_nest_empty): New function.
2588 * tree.h (stmt_loop_nest_empty): Declare it.
2589 * rtl.def (CALL_PLACEHOLDER): New rtx code.
2591 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2593 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
2595 (c4x_check_legit_addr): Remove USE and PLUS, allow
2596 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
2597 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
2598 CONST cases. Add LO_SUM.
2599 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
2600 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
2601 (c4x_print_operand_address): Handle LO_SUM.
2602 (c4x_scan_for_ldp): Delete. Hooray!
2603 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
2605 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
2607 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
2609 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
2611 (c4x_U_constraint, symbolic_operand): New functions.
2612 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
2613 disable SYMBOL_REF, LABEL_REF, and CONST.
2614 (lsrc_operand, tsrc_operand): Call src_operand instead of
2616 (c4x_operand_subword): Update comments.
2618 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
2619 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
2620 plus HIGH and LO_SUM for the C40.
2621 (ENCODE_SECTION_INFO): Define macro.
2622 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
2624 (PREDICATE_CODES): Add symbolic_operand.
2626 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
2627 c4x_emit_move_sequence.
2628 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
2629 to avoid symbol references.
2630 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
2631 (set_high): Renamed from set_high_use.
2632 (set_lo_sum): Renamed from set_ior_lo_use.
2633 (all call patterns): Make MEM explicit in call address operands.
2634 Modified output templates to use 'U' modifier.
2636 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
2638 * version.c: Bump for snapshot.
2640 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2642 * final.c (bb_str): Qualify a char* with the keyword `const'.
2643 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
2645 * fix-header.c (read_scan_file): Likewise.
2647 * genoutput.c (output_epilogue, process_template): Likewise.
2649 * local-alloc.c (requires_inout, block_alloc): Likewise.
2651 * output.h (output_asm_insn, assemble_string): Likewise.
2653 * recog.c (recog_constraints, check_asm_operands,
2654 decode_asm_operands, extract_insn, preprocess_constraints,
2655 constrain_operands): Likewise.
2657 * recog.h (operand_alternative, recog_constraints, insn_template,
2658 insn_outfun, insn_operand_constraint, insn_name): Likewise.
2660 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
2662 * regmove.c (find_matches): Likewise.
2664 * reload.c (alternative_allows_memconst): Likewise.
2666 * reload1.c (constraint_accepts_reg_p,
2667 reload_cse_simplify_operands): Likewise.
2669 * rtl.h (decode_asm_operands): Likewise.
2671 * scan.h (fn_decl): Likewise.
2673 * varasm.c (assemble_string): Likewise.
2675 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
2677 * configure.in (gcc_tooldir): Handle case where exec_prefix has
2678 not been explicitly set.
2679 * configure: Rebuilt.
2681 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
2684 * bitmap.h (bitmap_head_def): Make indx field unsigned.
2686 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
2687 use $exec_prefix/$target_alias for gcc_tooldir.
2688 * configure: Rebuilt.
2690 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
2692 * cppp.c (xrealloc): Fix typo last change.
2693 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
2694 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
2695 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2697 1999-01-22 Michael Meissner <meissner@cygnus.com>
2699 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
2700 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
2701 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
2702 (cc_reg_not_cr0_operand): Add declaration.
2704 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
2705 pseudo register, or a control register that is not CR0.
2707 * rs6000.md (all combiner patterns building . instructions): For
2708 all `.' instructions that do something and set cr0, add an
2709 alternative that does the operation, and then sets a different
2710 flag, in order to avoid using the costly mcrf instruction and also
2711 allow cr0 to be clobbered in asm statements. Also fix a few
2712 patterns that used the wrong register.
2714 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
2715 (rs6000_debug_name): Make const char *, not char *.
2717 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
2719 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
2720 (rs6000_select): Use const char * in casts.
2722 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
2724 * Makefile.in (gcc_tooldir): Move before first reference.
2725 Let autoconf substitute in a value.
2726 * configure.in (gcc_tooldir): Only use a relative path to the
2727 tool directory if $exec_prefix == $prefix.
2728 * configure: Rebuilt.
2730 * Makefile.in (tooldir): Replace with gcc_tooldir.
2732 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
2734 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
2735 (ashldi3 expander): Similarly. Update comments.
2736 (ashrdi_const, lshrdi_const): Fix indention.
2737 (ashrdi3, lshrdi3): FIx indention. Update comments.
2739 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
2741 * emit-rtl.c (try_split): Don't try to split non-instructions.
2743 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2745 * expr.c (emit_push_insn): Fix dumb typo.
2747 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
2749 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
2750 transformations that we have performed earlier.
2751 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2753 * alpha.md (prologue_stack_probe_loop): Don't do our own label
2754 handling, call gen_label_rtx instead.
2756 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
2758 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
2760 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
2761 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
2762 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2763 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
2764 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
2766 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
2768 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
2769 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
2770 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
2771 * configure: Regenerate.
2773 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
2775 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
2777 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
2779 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2781 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
2783 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
2784 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
2785 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
2786 (move_by_pieces): Use new macros.
2787 (emit_block_move): Use new macros.
2788 (clear_by_pieces): Use new macros.
2789 (clear_storage): Use new macros.
2790 (emit_push_insn): Use new macros.
2791 (expand_expr): Use new macros.
2792 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
2794 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
2795 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
2796 (MOVE_MAX_PIECES): move 8 bytes on SH4.
2797 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
2798 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
2799 USE_STORE_PRE_DECREMENT): Describe new macros.
2801 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2803 * varasm.c (output_constant_pool): Use floor_log2 instead of
2804 exact_log2 for ASM_OUTPUT_ALIGN.
2806 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
2808 * emit-rtl.c (operand_subword): Handle case when a subword outside
2811 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
2814 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
2816 * cse.c (fold_rtx): Revert 29 Dec change.
2817 (cse_insn): Revert 12 Jan change.
2818 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
2819 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
2820 * rtl.def: Likewise.
2821 * rtl.h (CONSTANT_P): Likewise.
2823 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
2825 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
2826 * alpha.c (input_operand): Likewise.
2827 * c4x.c (const_operand): Likewise.
2829 * explow.c (allocate_dynamic_stack_space): Use register_operand
2830 instead of arith_operand, which does not exist.
2832 * 1750a.h: Fix comment closure.
2833 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
2834 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
2835 * arm.h (TARGET_SWITCHES): Fix typo.
2836 * i370.md (anon mult and div patterns): Fix set mode mismatch.
2837 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
2838 (output_delay_insn): Likewise.
2839 * m88k.md (anon rotate insns): Fix set mode mismatch.
2840 (anon BLKmode moves): Commonize and fix set mode mismatches.
2841 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
2842 * romp.md (movdf): Fix typo.
2844 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
2846 * Makefile.in (install-common): Remove extraneous chmod for gcov
2849 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
2851 * function.c (assign_parms): Save and restore setting of
2854 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
2856 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
2857 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
2859 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
2861 * recog.c (pop_operand): New function.
2862 * recog.h (pop_operand): Declare it.
2863 * genrecog.c (preds): Define it.
2865 * expr.c (do_jump_for_compare): Handle conditional branch expanders
2866 emitting multiple jump instructions.
2867 * jump.c (condjump_label): New function.
2868 * rtl.h (condjump_label): Declare it.
2870 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
2872 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
2873 clobber during or after reload.
2875 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
2877 * genoutput.c (name_for_index): New function.
2878 (scan_operands, validate_insn_alternatives): Use it.
2879 * genrecog.c (insn_name_ptr_size): New variable.
2880 (make_insn_sequence): Fill in insn_name_ptr.
2881 (merge_trees): Use it.
2883 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
2885 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
2886 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
2887 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
2889 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
2891 * loop.c (NUM_STORES): Delete.
2892 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
2893 (prescan_loop): Properly initialize loop_mems_idx.
2894 (note_addr_stored): Simplify using list structure instead of
2896 (invariant_p, check_dbra_loop, load_mems): Similarly.
2898 * flow.c (invalidate_from_autoinc): New function.
2899 (mark_set_1, mark_used_regs): Use it.
2901 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
2903 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
2905 * invoke.texi (-mlong-double-64): New option description.
2907 1999-01-19 Jim Wilson <wilson@cygnus.com>
2909 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
2910 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
2911 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
2913 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
2914 (CPP_SPECS): Add -mlong-double-64 support.
2915 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
2916 (TARGET_SWITCHES): Add -mlong-double-64 support.
2917 (LONG_DOUBLE_TYPE_SIZE): Likewise.
2918 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2919 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
2920 (CPP_SPECS): Add -mlong-double-64 support.
2921 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
2922 (MULTILIB_DIRNAMES): Add ld64.
2923 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
2925 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
2927 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
2928 invisible reference.
2930 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
2932 * rs6000.c (offsettable_addr_operand): Delete.
2933 (offsettable_mem_operand): New function.
2934 * rs6000.h (PREDICATE_CODES): Reflect function change.
2935 (RS6000_SAVE_TOC): Represent address as MEM.
2936 * win-nt.h (RS6000_SAVE_TOC): Same.
2937 * rs6000.md (indirect calls): Change offsettable address parameter
2938 to offsettable memory parameter.
2940 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
2942 * rtl.h (rtx_def): Update documentation.
2943 (MEM_IN_STRUCT_P): Likewise.
2944 (MEM_SCALAR_P): New macro.
2945 (MEM_COPY_ATTRIBUTES): Likewise.
2946 (MEM_SET_IN_STRUCT_P): Likewise.
2947 * rtl.texi (MEM_SCALAR_P): Document.
2948 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
2949 (fixed_scalar_and_varying_struct_p): New function. Use
2950 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
2951 (aliases_everything_p): Likewise.
2952 (true_dependence): Use them.
2953 (write_dependence_p): New function, containing code common to
2954 anti_dependence and output_dependence.
2955 (anti_dependence): Use it.
2956 (output_dependence): Likewise.
2957 * calls.c (save_fixed_argument_area): Don't clear
2959 (expand_call): Use MEM_SET_IN_STRUCT_P.
2960 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
2961 (emit_library_call_value): Likewise.
2962 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
2963 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
2964 (make_extraction): Likewise.
2965 (simplify_shift_const): Likewise.
2966 (gen_lowpart_for_combine): Likewise.
2967 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
2968 * emit-rtl.c (operand_subword): Likewise.
2969 (change_address): Likewise.
2970 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
2971 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
2972 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
2973 (copy_blkmode_from_reg): Likewise.
2974 (store_field): Likewise.
2975 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
2976 heuristically. Use MEM_SET_IN_STRUCT_P.
2977 (get_memory_rtx): Likewise.
2978 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
2979 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
2980 MEM_ALIAS_SET on newly returned MEMs.
2981 (assign_temp): Use MEM_SET_IN_STRUCT_P.
2982 (put_reg_into_stack): Likewise.
2983 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
2984 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
2985 (assign_parms): Likewise.
2986 (expand_function): Likewise.
2987 * integrate.c (expand_inline_function): Likewise.
2988 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
2989 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
2990 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
2991 * print-rtl.c (print_rtx): Print /f for frame_related.
2992 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
2993 * reload1.c (reload): Copy MEM_SCALAR_P as well.
2994 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
2995 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
2996 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
2997 (output_constant_def): Likewise.
2998 * a29k.c (a29k_set_memflags_1): Take scalar_p.
3000 (a29k_set_memflags): Use it.
3001 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
3002 * c4x.c (c4x_scan_for_ld): Likewise.
3003 * h8300.c (fix_bit_operand): Likewise.
3004 * m88k.c (legitimize_address): Likewise.
3005 (block_move_loop): Likewise.
3006 (block_move_no_loop): Likewise.
3007 (block_move_sequence): Likewise.
3008 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3009 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
3010 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
3011 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
3012 * arm.h (arm_gen_load_multiple): Take scalar_p.
3013 (arm_store_load_multiple): Likewise.
3014 * arm.c (arm_gen_load_multiple): Likewise.
3015 (arm_gen_store_multiple): Likewise.
3016 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
3018 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3020 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
3021 calls within a libcall block to indicate no throws are possible.
3022 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
3023 libcall blocks. Don't add edges to exception handlers if we see
3024 a REG_EH_REGION note with a value of 0.
3025 (make_edges): Override active_eh_region vector if the call has a note
3026 indicating the call does not throw.
3028 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
3030 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
3032 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
3034 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
3036 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
3038 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
3040 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
3042 * invoke.texi (-mcpu=740, -mcpu=750): New options.
3043 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
3046 1999-01-18 Michael Meissner <meissner@cygnus.com>
3048 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3049 supported with -mcpu=xxx.
3050 (processor_type): Add PROCESSOR_PPC750.
3051 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
3052 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
3053 (rs6000_adjust_priority): Add declaration.
3055 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
3056 processor type as 750, not 603. Allow -mmultiple and -mstring on
3057 little endian 750 systems.
3058 (rs6000_adjust_priority): Stub for now.
3059 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
3061 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
3063 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
3065 (CC1_SPEC): Pass -mstrict-align if little endian, and not
3067 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
3068 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
3070 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
3073 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
3075 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
3077 * config/mips/mips.md (div_trap): Split div_trap_mips16
3079 (div_trap_normal,div_trap_mips16): Correct the length attributes.
3081 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3083 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
3084 Instead of writing to const char *buf directly, use a non-const
3085 variable `wbuf' to allocate and write a string, then set buf = wbuf.
3087 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
3090 * dyn-string.c (dyn_string_append): Likewise.
3092 * dyn-string.h (dyn_string_append): Likewise.
3094 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
3096 * output.h (end_final, output_operand_lossage, asm_fprintf,
3097 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
3100 * profile.c (init_branch_prob): Likewise.
3102 * toplev.c (set_target_switch, vmessage,
3103 v_message_with_file_and_line, v_message_with_decl,
3104 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
3105 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
3106 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
3107 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
3108 open_dump_file, dump_rtl, clean_dump_file,
3109 print_version, print_single_switch, print_switch_values,
3110 dump_base_name, debug_args, lang_independent_options,
3111 user_label_prefix, documented_lang_options, target_switches,
3112 target_options, print_time, pfatal_with_name, fatal_io_error,
3113 fatal_insn, default_print_error_function, print_error_function,
3114 report_error_function, error_with_file_and_line, error_with_decl,
3115 error_for_asm, error, fatal, warning_with_file_and_line,
3116 warning_with_decl, warning_for_asm, warning, pedwarn,
3117 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
3118 really_sorry, botch, output_quoted_string, output_file_directive,
3119 open_dump_file, rest_of_decl_compilation, display_help, main):
3122 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
3123 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
3124 warning_with_file_and_line, error_with_file_and_line, sorry,
3125 really_sorry, default_print_error_function, report_error_function,
3126 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
3127 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
3128 output_file_directive, botch): Likewise.
3130 * tree.h (make_decl_rtl): Likewise.
3132 * varasm.c (strip_reg_name, named_section, decode_reg_name,
3133 make_decl_rtl): Likewise.
3135 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
3137 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
3138 directory logically rather than physically.
3140 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * loop.c (insert_bct): Hide the definition of variables
3143 `increment_direction', `compare_direction', `add_iteration' and
3146 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
3147 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
3148 (mode_independent_operand): Mark label `lose' with
3149 ATTRIBUTE_UNUSED_LABEL.
3151 * regclass.c (n_occurrences): Remove prototype and definition.
3153 * reload.c (find_reloads_address_1): Mark variable `tem' with
3156 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
3158 * sbitmap.c (sbitmap_copy): Likewise.
3160 * scan-decls.c (scan_decls): Hide label `handle_comma'.
3162 * toplev.c (output_lang_identify): Mark prototype with
3165 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
3166 (make_tree_vec): Likewise.
3169 * varasm.c (assemble_static_space): Mark variable `tem' with
3172 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
3174 * Makefile.in (GCOV_INSTALL_NAME): New macro.
3175 (install-common): Use it.
3176 (uninstall): Use it.
3177 (uninstall): Use correct names for protoize and unprotoize.
3179 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
3180 Jeffrey A Law (law@cygnus.com)
3182 * flow.c (last_mem_set): Delete variable. References removed.
3183 (mem_set_list): New variable.
3184 (life_analysis): Initialize and finalize alias analysis.
3185 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
3186 (insn_dead_p): For a store to memory, search the entire mem_set_list
3188 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
3189 changes to their addresses. Add new entries to the mem_set_list for
3190 memory writes writes.
3191 (mark_used_regs): Kill entries on the mem_set_list which may be
3192 referenced by a load operation.
3194 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
3196 * alias.c (base_alias_check): Add missing return for differing
3199 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3201 * mips-tdump.c (print_file_desc): Handle unknown filenames and
3202 missing local symbols.
3204 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
3206 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
3208 * system.h (bcopy): Implement with memmove not memcpy.
3210 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
3212 * Makefile.in (cppulp.o): Add dependencies.
3214 * i386.md (integer conditional moves): Add missing earlyclobbers.
3216 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
3217 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
3218 where a register is live.
3220 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
3222 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
3223 of a FP conditional move is not on the FP register stack.
3225 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
3227 * version.c: Bump for snapshot.
3229 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
3231 * reload1.c (reload_cse_regs_1): Do not call
3232 reload_cse_simplify_operands for an insn with asm operands.
3234 * cccp.c (print_help): Fix typos.
3235 * cpplib.c (print_help): Fix typos.
3236 * toplev.c (f_optiosn): Fix typos.
3237 (documented_lang_options): Fix typos.
3239 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
3241 * gcc.c: (do_spec_1): Fix obvious typo.
3243 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
3246 a non-static function declaration follows a static one.
3248 * invoke.texi (-Wtraditional): Document the extra check now done
3251 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
3253 * pa.md (shadd): Create shadd insns, even if the result of the shift is
3254 needed without the addition.
3256 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3258 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
3260 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
3262 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
3264 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
3266 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
3267 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
3268 non_add_cint_operand, non_logical_cint_operand): Likewise.
3269 (get_issue_rate): Add CPU_PPC604E case.
3270 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
3272 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
3274 * expr.c (queued_subexp_p): Make public.
3275 * expr.h (queued_subexp_p): Declare it.
3276 * recog.c (asm_operand_ok): New function.
3277 (check_asm_operands): Use it. After reload, use constrain_operands
3279 * recog.h (asm_operand_ok): Declare it.
3280 * stmt.c (expand_asm_operands): Use it to try harder to make
3281 asms initially satisfy their constraints.
3283 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
3285 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
3286 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
3288 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3290 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
3291 in delay slot of RPTBD.
3293 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3295 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
3296 divide and modulo sign problem.
3298 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3300 * unroll.c (loop_iterations): Return 0 if the last loop insn
3301 is not a jump insn or if the loop has multiple back edges.
3303 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
3305 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
3306 it's working properly now. Remove comment saying "see m68k-motorola-sysv
3308 * configure: Regenerate using autoconf.
3310 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
3312 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
3314 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
3315 a register with another DEST_ADDR giv if the address is not valid.
3317 * pa.c (hppa_expand_epilogue): Save and restore the static chain
3318 around the call to mcount.
3320 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
3322 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
3323 generating non-canonical rtl.
3325 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
3327 * config/i960/i960.c (i960_output_move_double_zero,
3328 i960_output_move_quad_zero): New functions for moving zeros.
3329 (i960_output_move_double, i960_output_move_quad): Additional code
3330 for situation when moving unaligned register group.
3332 * config/i960/i960.h (i960_output_move_double_zero,
3333 i960_output_move_quad_zero): The function definitions.
3335 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
3337 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
3339 * config/i960/i960.c (i960_function_prologue): New code (optimal
3340 solution) for saving global registers in local registers.
3341 (form_reg_groups, reg_group_compare, split_reg_group): New
3342 functions used by the code.
3343 (reg_group): New structure definition for the new code.
3345 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
3347 * fixinc/fixincl.c (create_file): Pass file creation mask as
3348 third parameter to "open". Use O_TRUNC flag to open instead of
3349 explicitly unlink'ing the file.
3350 (process): and forget about the "chmod" stuff.
3352 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
3354 * integrate.c (expand_inline_function): Recognize (mem (addressof))
3355 and substitute. Copy the return value from there into a new pseudo.
3357 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
3359 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3360 before generating a call to abort for volatile functions.
3361 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3362 (TARGET_ABORT_NORETURN): Define.
3363 (abort-on-noreturn): New option.
3365 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3367 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
3368 and binarycc operations in 3rd annulled delay slot!
3370 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
3372 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
3373 before generating a call to abort for volatile functions.
3374 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
3375 (TARGET_ABORT_NORETURN): Define.
3376 (abort-on-noreturn): New option.
3378 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3380 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
3381 Remove prototype which we get from libiberty.h.
3383 * collect2.c (xstrdup): Likewise.
3385 * genextract.c (xstrdup): Likewise for `copystr'.
3386 (mybzero): Remove it and use `memset' instead.
3388 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
3389 to use `memcpy' and `memset' instead.
3391 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
3392 changed. Remove prototype.
3393 (mybcopy, mybzero): Remove these and use memcpy/memset.
3395 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
3397 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
3398 generating code for TARGET_64BIT.
3400 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
3402 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
3403 HOST_WIDE_INT word-size.
3404 (rs6000_stack_info): Remove redundant alignment of fpmem.
3406 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
3408 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
3409 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
3410 (input_operand): Adjust CONSTANT_P_RTX handling.
3411 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
3412 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
3413 (movhi, movqi): Remove CONSANT_P_RTX handling.
3414 (movdi): Adjust CONSTANT_P_RTX handling.
3416 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3418 * configure: Regenerate using autoconf.
3420 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
3421 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
3422 (process): "fchmod" isn't available on all systems, use "chmod"
3424 * fixinc/server.c: Add #include <sys/types.h>.
3425 (STDIN_FILENO): Add default definition if no include file defines
3427 (STDOUT_FILENO): Likewise.
3429 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
3431 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
3433 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
3435 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3436 ensure all prototypes necessary for building libio will be available.
3437 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
3438 definitions here as they are not host specific.
3439 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
3441 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
3443 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
3445 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
3447 * version.c: Bump for snapshot.
3449 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
3451 * rtl.c (rtx_alloc): Use memset instead of inline loop.
3453 * recog.h (recog_op_alt): Declare extern.
3455 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
3457 * function.c (purge_addressof_1): If the note accesses a mem+addressof
3458 in a wider mode than any replacement, adjust the cached replacement.
3459 Cache trivial substitutions as well.
3461 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
3463 * Makefile.in (OBJECTS): Add sbitmap.o.
3464 (BASIC_BLOCK_H): Add sbitmap.h.
3465 * basic-block.h: Move simple bitmap code to sbitmap.h.
3466 * flow.c: Move simple bitmap code to sbitmap.c
3467 * sbitmap.h, sbitmap.c: New files.
3469 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
3471 * alpha.h (TARGET_SWITCHES): Document switches.
3472 (TARGET_OPTIONS): Likewise.
3474 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
3476 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
3478 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
3480 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
3482 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
3483 (basic_block_end): Rename to x_basic_block_end.
3484 (BLOCK_HEAD, BLOCK_END): Update.
3486 * caller-save.c: Change basic_block_head/end references to
3488 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
3489 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
3490 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
3492 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3494 * gcc.c (xstrerror): Renamed from my_strerror. All callers
3495 changed. Remove prototype since we get that from libiberty.h.
3497 * protoize.c (xstrerror): Likewise.
3499 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3501 * gcc.c (read_specs): Ensure format specifiers match their arguments.
3503 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
3505 * tree.c (copy_node): Oops. That would be copy not zero
3506 in that last change.
3508 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3510 * config/c4x/c4x.c: Include system.h.
3511 (c4x_caller_save_map): Disable caller save for RC.
3512 (c4x_optimization_options): Disable scheduling before reload.
3513 (valid_parallel_load_store) : Define return type as int.
3514 Remove unused variable regs.
3515 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3517 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3519 (*db, decrement_and_branch_until_zero): Fix up constraints
3520 to keep reload happy.
3522 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3524 * tree.c (make_node): Call bzero instead of inline clear.
3525 (copy_node, make_tree_vec, build1): Likewise.
3526 (get_identifier): Call strlen instead of inline count.
3527 (maybe_get_identifier): Likewise.
3529 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3531 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3532 operations in 3rd annulled delay slot.
3533 (*lshrqi3_const_set): Disallow c constraint for operand0.
3534 (modhi3+1, modhi3+2): Set attribute type to multi.
3535 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3538 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3540 * gansidecl.h: Allow attribute unused on labels only when we are
3541 version 2.93 or higher. Not all versions of 2.92 have this feature.
3543 * version.c: Bump minor number to 93.
3545 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3547 * config/m68k/m68k.h: Declare output_function_epilogue.
3548 * recog.h: Declare next_insn_tests_no_inequality.
3550 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3552 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3553 (expand_return): Use optimize_tail_recursion.
3554 * tree.h (optimize_tail_recursion): Declare.
3556 * toplev.c (compile_file): Move call to output_func_start_profiler
3557 to after the loop to emit deferred functions.
3559 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3561 * system.h (abort): Supply more detailed information on how to
3562 report an Internal Compiler Error.
3564 Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com)
3566 * fixinc/fixincl.c (*): more decapitalization of variables
3567 plus some explanitory comments
3569 * fixinc/Makefile.in fixinc/mkfixinc.sh:
3570 When the fixincl program does not work for a certain system,
3571 we substitute a shell script. Added user commentary when
3574 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
3576 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
3577 allocate memory that will live beyond this function.
3578 (expand_call): Free it here.
3580 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
3582 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
3583 integer data not destined for fp regs.
3584 (LEGITIMIZE_RELOAD_ADDRESS): New.
3586 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
3587 Richard Henderson <rth@cygnus.com>
3589 Support for Hypersparc and Sparclite86x:
3590 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
3591 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
3592 (ASM_CPU32_DEFAULT_SPEC): Likewise.
3593 (TARGET_CPU_DEFAULT): Likewise.
3594 (enum processor_type): Likewise.
3595 (CPP_ENDIAN_SPEC): Handle little endian data.
3596 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
3597 (ADJUST_COST): Call sparc_adjust_cost.
3598 * sparc.c (sparc_override_options): Fix up for the new targets.
3599 (supersparc_adjust_cost): Make static.
3600 (hypersparc_adjust_cost): New.
3601 (ultrasparc_adjust_cost): Make static.
3602 (sparc_adjust_cost): New.
3603 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
3604 (function_unit): Add hypersparc scheduling rules.
3606 * configure.in (with_cpu handler): Recognize hypersparc.
3608 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3610 * config/c4x/c4x.c: Added space after negation operator.
3611 * config/c4x/c4x.h: Likewise.
3612 * config/c4x/c4x.md: Likewise.
3614 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3616 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
3618 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3620 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
3621 when a test can't be performed due to limited width of
3622 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
3623 Fix UDIV case for cases where the first operand has the highest bit
3626 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
3628 * pa.h (reg_class): Add FPUPPER_REGS.
3629 (REG_CLASS_NAMES): Similarly.
3630 (REG_CLASS_CONTENTS): Similarly
3631 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
3632 (FP_REG_CLASS_P): Likewise.
3633 (REG_CLASS_FROM_LETTER): Similarly.
3634 (CLASS_MAX_NREGS): Similarly.
3636 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
3638 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
3639 for a typedef of bool. Make sure to have a copy of the file is
3640 in place before we look to fix it. Fix typo in variable name to
3643 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
3645 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
3646 value_mode for the return mode.
3648 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
3650 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
3651 debugging as default.
3653 * config/tm-dwarf2.h: New file.
3655 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
3657 * h8300.h (ASM_OUTPUT_LABELREF): Define.
3659 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
3660 * local-alloc.c (update_equiv_regs): Corresponding changes.
3661 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
3663 * calls.c (special_function_p): Push alloca test inside the large
3664 conditional which excludes functions not at file scope or not
3667 * calls.c (special_function_p): New function broken out of
3669 (precompute_register_parameters): Likewise.
3670 (store_one_arg): Likewise.
3671 (store_unaligned_argumetns_into_pseudos): Likewise.
3672 (save_fixed_argument_area): Likewise.
3673 (restore_fixed_argument_area): Likewise.
3674 (expand_call): Corresponding changes.
3676 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3678 * config/c4x/c4x.md (addqi3): If the destination operand is
3679 a hard register other than an extended precision register,
3680 emit addqi3_noclobber.
3681 (*addqi3_noclobber_reload): New pattern added so that reload
3682 will recognise a store of a pseudo, equivalent to the sum
3683 of the frame pointer and a constant, as an add insn.
3685 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
3687 * fixinc/fixincl.c: Re-indent according to the GNU standards.
3688 fixinc/server.c: Likewise.
3689 fixinc/server.h: Likewise.
3691 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3693 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
3695 (const_sint32_operand): Likewise.
3697 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
3700 is a macro when deciding if we can use `jmp_buf' in prototypes.
3702 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
3704 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
3705 * configure: Rebuilt.
3706 * i386/xm-go32.h: Define LIBSTDCXX.
3708 * i386/go32.h (MD_EXEC_PREFIX): Define.
3709 (FILE_NAME_ABSOLUTE_P): Define.
3710 (LINK_COMMAND_SPEC): Define.
3712 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
3714 * expr.c (store_expr): If the lhs is a memory location pointed
3715 to be a postincremented (or postdecremented) pointer, always
3716 force the rhs to be evaluated into a pseudo.
3718 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
3720 * real.c (mtherr): Print more reasonable warning messages.
3722 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3724 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
3726 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
3727 (new_include_prefix): Constify char* parameters.
3729 * cppfiles.c (read_name_map): Likewise.
3730 (append_include_chain): Likewise. Also, use a writable char* copy
3731 of parameter `dir' which we then modify, rather than using the
3732 parameter itself to store the new writable string.
3733 (remap_filename): Constify some variables. Also, use a writable
3734 char* to store an allocated string which we will be modifying.
3736 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
3737 (cpp_start_read): Constify variable `str'.
3739 * cpplib.h (append_include_chain): Constify a char* parameter.
3741 * gcc.c Include prefix.h, don't prototype prefix.c functions.
3742 (add_prefix, save_string): Constify char* parameters.
3743 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
3745 * prefix.c: Include prefix.h.
3746 (get_key_value, translate_name, save_string, update_path,
3747 set_std_prefix): Constify various char* parameters and variables.
3748 (save_string): Use xmalloc, not malloc.
3749 (translate_name): Use a writable temporary variable to create and
3750 modify a string before setting it to a const char*.
3752 * prefix.h: New file to prototype functions exported from prefix.c.
3754 Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com)
3756 * fixinc/fixincl.c (various): added debug code so
3757 Manfred can trace the processing.
3759 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
3760 struct utsname on Ultrix V4.[35].
3762 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated
3764 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
3766 * cpplib.c (skip_if_group): Split out the logic that handles
3767 directive recognition to its own function. Don't use
3768 parse markers; use a bare pointer into the buffer. Use
3769 copy/skip_rest_of_line instead of doing it by hand. Remove
3770 `return on any directive' mode which was never used, and take
3772 (consider_directive_while_skipping): New function, subroutine
3773 of skip_if_group. Logic streamlined a bit.
3774 (conditional_skip, do_elif, do_else): Call skip_if_group with
3777 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
3779 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
3782 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
3784 * extend.texi (Bound member functions): Document.
3786 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3788 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
3789 lang_to_string, type_to_string): Make return type const char*.
3790 (print_symbol): Apply `const' keyword to a char*.
3791 (print_file_desc): Cast structure member `crfd' to ulong when
3792 comparing against one.
3794 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
3795 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
3796 (progname, input_name): Apply `const' keyword to a char*.
3797 Don't redundantly include sys/stat.h.
3798 (alloc_info): Apply `const' keyword to a char*.
3799 (st_to_string, sc_to_string): Likewise.
3800 (hash_string): Cast variable `hash_string' to a symint_t when
3801 comparing against one.
3802 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
3803 Likewise cast it to long when comparing against one.
3804 (add_local_symbol): Apply `const' keyword to a char*.
3805 (add_ext_symbol): Likewise.
3806 (add_unknown_tag): Likewise.
3807 (add_procedure): Cast a printf-style field width to an int.
3808 (add_file): Cast PAGE_USIZE to long when comparing against one
3809 (parse_begin): Cast a printf-style field width to an int.
3810 (parse_bend): Likewise.
3811 (parse_def): Likewise.
3812 (parse_end): Likewise.
3813 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
3814 (parse_stabs_common): Fix format specifier.
3815 (parse_input): Change type of variable `i' to Size_t.
3816 (write_object): Fix arguments to match format specifiers.
3817 Cast variable `num_write' to long when comparing against one.
3818 (read_seek): Cast variable `sys_read' to symint_t when comparing
3819 against one. Fix arguments to match format specifiers. Cast
3820 variable `size' to long when comparing against one.
3821 (copy_object): Cast result of `sizeof' to int when comparing
3822 against one. Fix arguments to match format specifiers. Cast
3823 variable `ifd' to long when comparing against a signed value.
3826 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3828 * c-common.c (decl_attributes): Allow applying attribute `unused'
3831 * c-parse.in (label): Parse attributes after a label, and call
3832 `decl_attributes' to handle them.
3834 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
3836 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
3837 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
3839 * invoke.texi: Note that labels can be marked `unused'.
3841 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
3843 * version.c: Bump for snapshot.
3845 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
3847 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
3848 RTL for a compare/jump sequence.
3850 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3852 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
3853 for a target with HAVE_cc0 defined.
3854 (emit_cmp_and_jump_insns): New function.
3855 * expr.h (emit_cmp_and_jump_insns): Prototype it.
3856 * loop.c (check_dbra_loop): Use it to replace calls
3857 to emit_cmp_insn and emit_jump_insn and to canonicalise
3858 the comparison if necessary.
3859 * unroll.c (unroll_loop): Likewise.
3861 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3863 * fixincludes (sys/utsname.h): Provide forward declaration of
3864 struct utsname on Ultrix V4.[35].
3866 * mips.md (div_trap): Use local labels instead of dot-relative
3869 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
3871 * pa.md (branch, negated branch): Handle (const_int 0) as first
3873 * pa.c (output_cbranch): Likewise.
3875 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
3877 * rs6000.c (rs6000_stack_info): Undo spurious part of last
3880 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
3882 * extend.texi (__builtin_constant_p): Add missing @smallexample.
3884 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
3886 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
3888 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
3890 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
3891 (adddi_dishl32): Similarly.
3893 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
3894 for each insn in the skipped block.
3896 * reload1.c (reload_as_needed): Verify that the insn satisfies its
3897 constraints after replacing a register address with an autoincrement
3898 address for reload inheritance purposes.
3900 * i386.md (doubleword shifts): Avoid namespace pollution.
3902 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
3904 * configure.in (FreeBSD ELF): Needs special crt files.
3906 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
3908 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
3910 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3912 * loop.c (check_dbra_loop): While reversing the loop, if the
3913 comparison value has a VOID mode use the mode of the other operand
3914 to compute the mask.
3916 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
3918 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
3919 avoid warnings in compiling explow.c.
3921 (patch from Ken Raeburn, raeburn@cygnus.com)
3922 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
3923 fpmem_offset. Compute total size after that, and then
3924 rs6000_fpmem_offset using both values.
3926 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3928 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
3929 the future; indeed that already happens in some cases.
3931 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
3933 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
3934 (arith_operand): Remove constant_p_rtx handling.
3935 (const64_operand, const64_high_operand): Likewise.
3936 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
3937 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
3938 (small_int_or_double, uns_small_int, zero_operand): Likewise.
3939 * sparc.h (PREDICATE_CODES): Likewise.
3941 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
3943 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
3945 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
3946 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
3947 consider constant CONSTRUCTOR constant and to defer some cases
3949 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
3950 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
3952 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
3954 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
3955 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
3957 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
3958 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
3959 (sext_add_operand, and_operand, or_operand): Likewise.
3960 (reg_or_cint_operand, some_operand, input_operand): Likewise.
3961 * alpha.h (PREDICATE_CODES): Likewise.
3963 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
3965 * version.c: Bump for snapshot.
3967 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
3969 * gengenrtl.c (gencode): Always use bzero to clear memory instead
3970 of dangerous casts and stores.
3972 * Makefile.in (compare, gnucompare): Add missing else true clauses.
3974 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
3976 * alpha.md (builtin_longjmp): Add missing "DONE".
3978 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
3980 * gcc.c (execute): Enable -pipe with win32.
3982 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
3984 * config/arm/t-arm-elf: Add multiplib option for leading
3987 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
3988 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
3990 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
3991 than variable 'reload_address_base_reg_class'. [Note this
3992 change is unrelated to the others in this patch].
3994 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
3997 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3999 * alias.c (record_alias_subset): Remove ignored `&'.
4000 (init_alias_once): Likewise.
4002 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
4004 * config/mips/mips.c (mips_asm_file_end): Cast the result of
4005 fwrite to `int' when comparing against one.
4007 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
4008 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
4010 * cse.c (rehash_using_reg): Change type of variable `i' to
4013 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
4014 assigning it to one.
4016 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
4018 * final.c (final_scan_insn): Likewise for variable `i'.
4019 (output_asm_insn): Cast a char to unsigned char when used as an
4022 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
4023 assigning it to one.
4025 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
4027 * recog.c (preprocess_constraints): Cast a char to unsigned char
4028 when used as an array index.
4030 * regmove.c (find_matches): Likewise.
4032 * reload1.c (calculate_needs): Add default case in switch.
4033 (eliminate_regs_in_insn): Initialize variable `offset'.
4034 (set_offsets_for_label): Change type of variable `i' to unsigned.
4035 (reload_as_needed): Wrap variable `i' in macro check on
4036 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
4038 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
4039 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
4040 when comparing against one.
4042 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
4043 unsigned when comparing against one. Likewise for
4044 GET_MODE_ALIGNMENT().
4045 (layout_record): Cast record_align to int when comparing against a
4047 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
4050 * tree.c (get_identifier): Cast variable `len' to unsigned when
4051 comparing against one.
4052 (maybe_get_identifier): Likewise
4054 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
4056 * toplev.c (rest_of_compilation): Do not set reload_completed.
4057 * reload1.c (reload): Set reload_completed before calling
4058 cleanup_subreg_operands.
4060 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
4062 * reload1.c (emit_reload_insns): Check `set' not null before use.
4064 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
4066 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
4069 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4071 * halfpic.c (half_pic_encode): Delete redundant code.
4073 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
4075 * toplev.c (main): Delete handling of -dM as a preprocessor
4078 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
4080 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
4081 -dI, which are handled by the preprocessor.
4083 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
4085 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
4086 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
4088 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
4090 * version.c: Bump for snapshot.
4092 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
4094 * version.c: Bump for snapshot.
4096 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
4098 * version.c: Bump for snapshot.
4100 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4102 * genattr.c (fatal): Qualify a char* with the `const' keyword.
4104 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
4105 write_unit_name, write_eligible_delay, expand_units,
4106 make_length_attrs, write_attr_case, find_attr,
4107 make_internal_attr): Likewise.
4108 * gencheck.c (tree_codes): Likewise.
4109 * gencodes.c (fatal): Likewise.
4110 * genconfig.c (fatal): Likewise.
4111 * genemit.c (fatal): Likewise.
4112 * genextract.c (fatal, walk_rtx, copystr): Likewise.
4113 * genflags.c (fatal): Likewise.
4114 * genopinit.c (fatal, optabs, gen_insn): Likewise.
4115 * genoutput.c (fatal, error, predicates): Likewise.
4116 * genpeep.c (fatal): Likewise.
4117 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
4118 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
4120 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4122 * configure.in (with-fast-fixincludes): Fix whitespace.
4123 * configure: Rebuilt.
4125 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
4126 asm() etc. function declarations in __DECC.
4128 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
4130 * expr.c (emit_move_insn_1): Only emit a clobber if the target
4131 is a pseudo register.
4133 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
4135 * gcse.c: Include expr.h in order to get the prototype for
4136 get_condition() which is used in delete_null_pointer_checks().
4138 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4140 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
4142 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
4144 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
4145 (ALL_CFLAGS): Delete SCHED_CFLAGS.
4147 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
4149 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
4152 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
4154 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
4155 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
4156 optimizations from the combiner.
4158 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4160 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
4162 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
4164 * toplev.c (main): Disable optimize_size if a specific
4165 optimization level is requested. Always set optimization
4166 level to 2 if -Os is specified.
4168 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
4170 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
4172 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
4173 initialize it using fname.
4175 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
4177 * cpplib.c (do_include): Treat #include_next in the
4178 primary source file as #include plus warning. Treat
4179 #include_next in a file included by absolute path as an
4180 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
4182 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4184 * cccp.c: Don't define MIN/MAX anymore.
4185 * cpplib.c: Likewise.
4186 * machmode.h: Likewise.
4187 * system.h: Provide definitions for MIN/MAX.
4189 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4191 * fix-header.c: Don't define xstrdup here.
4193 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4195 * loop.c (consec_sets_giv): New argument last_consec_insn.
4196 (strength_reduce): Provide / use it.
4198 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4200 * loop.h (loop_info): New field 'vtop'.
4201 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
4202 scanning loop for vtop.
4203 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
4204 (loop_iterations): Use them to determine if loop has a constant
4205 number of iterations. Set loop_info->vtop. Don't subtract
4206 common reg term from initial_value and final_value if have a
4209 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
4211 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
4213 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
4215 * mn10200.md (abssf2, negsf2): New expanders.
4217 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
4219 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
4221 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
4222 replaced by a CONCAT whoes components do not have the same
4223 mode as the original SUBREG, use a new SUBREG to restore the
4226 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
4227 multiword complex values.
4229 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4231 * cppalloc.c: Add xstrdup here.
4232 * cpplib.h: Remove savestring prototype.
4233 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
4235 * cppfiles.c: s/savestring/xstrdup/ throughout.
4237 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4239 * cpplib.c: Make all directive handlers read their own
4241 (struct directive): Remove last two arguments from FUNC
4242 member prototype. Remove `command_reads_line' member
4244 (directive_table): Remove initializations of
4245 command_reads_line flag. Pretty-print.
4246 (eval_if_expression, do_define, do_line, do_include,
4247 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
4248 do_else, do_elif, do_sccs, do_assert, do_unassert,
4249 do_warning): Take only two args.
4251 (cpp_define): Call do_define with two args and the text to
4252 define stuffed into a buffer.
4253 (make_assertion): Call do_assert with two args.
4254 (handle_directive): Call do_line with two args. Call
4255 kt->func with two args. Remove command_reads_line
4257 (do_define, do_undef, do_error, do_warning, do_pragma,
4258 do_sccs): Read the rest of the line here.
4259 (do_ident): Gobble rest of line, as cccp does.
4260 (cpp_undef): New function.
4261 (cpp_start_read): Call cpp_undef instead of do_undef.
4263 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
4265 * cpphash.h (union hash_value): Remove `keydef' member, add a
4266 `struct hashnode *aschain' member for #assert.
4268 * cpplib.c (struct tokenlist_list, struct
4269 assertion_hashnode): Delete structure definitions.
4270 (assertion_install, assertion_lookup, delete_assertion,
4271 check_assertion, compare_token_lists, reverse_token_list,
4272 read_token_list, free_token_list): Delete functions.
4273 (parse_assertion): New function.
4274 (cpp_cleanup): Don't destroy the assertion_hashtable.
4276 (do_assert): Gut and rewrite. #assert foo (bar) places
4277 entries for `#foo' and `#foo(bar)' in the macro hash table,
4278 type T_ASSERT. The value union's `aschain' member is used
4279 to chain all answers for a given predicate together.
4280 (do_unassert): Also rewritten. Take an un-asserted
4281 answer off the chain from its predicate and call
4282 delete_macro on the hashnode, or walk a predicate chain
4283 calling delete_macro on all the entries.
4284 (cpp_read_check_assertion): Simply call parse_assertion to
4285 get the canonical assertion name, and look that up in the
4288 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
4291 * cpphash.c (install): Use bcopy instead of an explicit loop
4292 to copy the macro name.
4294 * cppexp.c (cpp_lex): Convert the result of
4295 cpp_read_check_assertion to a `struct operation' directly;
4296 don't go through parse_number.
4298 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4300 * loop.h (struct induction): Delete times_used member.
4301 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
4302 (n_times_used): Rename to n_times_set. Changed all users.
4303 (scan_loop): Free reg_single_usage before strength reduction.
4304 (record_giv, combine_givs): Remove handling of times_used member.
4305 (combine_givs_used_once): Rename to:
4306 (combine_givs_used_by_other) . Changed all callers.
4308 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
4310 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4311 instead of TREE_CODE_CLASS == 't'.
4312 (gen_type_die): Likewise.
4313 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
4315 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
4317 * real.c (endian): Disable last change unless
4318 HOST_BITS_PER_WIDE_INT is greater than 32.
4320 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4322 * output.h (force_data_section): New prototype.
4323 * varasm.c (force_data_section): New function to force the
4324 data section, regardless of what in_section thinks.
4325 * dwarf2out.c (output_call_frame_info): Call force_data_section
4326 since varasm may not realize we've changes sections.
4328 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
4330 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
4331 after completeing reload.
4333 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
4334 deleted after reload.
4336 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
4338 * rtl.h (multiple_sets): Fix prototype.
4339 * rtlanal.c (multiple_sets): Fix return type.
4341 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
4343 * version.c: Bump for snapshot.
4345 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
4347 * version.c: Bump for snapshot.
4349 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
4351 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
4353 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4355 * rtl.h (recompute_reg_usage): Add second argument.
4356 * flow.c (recompute_reg_usage): Likewise.
4357 * toplev.c (rest_of_compilation): Supply second argument to
4358 recompute_reg_usage.
4360 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
4363 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
4365 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
4366 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4367 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4370 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
4372 * rtlanal.c (multiple_sets): New function.
4373 * rtl.h (multiple_sets): Declare it.
4374 * local-alloc.c (wipe_dead_reg): Use it.
4375 * global.c (global_conflicts): Likewise.
4377 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
4379 * global.c (record_conflicts): Don't use an array of shorts to
4380 store an array of ints.
4381 (global_conflicts): Likewise.
4383 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
4385 * alpha.c (alpha_expand_block_move): mode_for_size expects
4386 bits, not bytes. Infer extra alignment from addressof.
4388 1998-12-11 Michael Meissner <meissner@cygnus.com>
4390 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
4391 .sbss section, not .sdata.
4393 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
4395 * cccp.c: Do not #include <sys/stat.h> here; this is already done
4397 * collect2.c: Likewise.
4398 * cpplib.h: Likewise.
4401 * getpwd.c: Likewise.
4402 * protoize.c: Likewise.
4403 * toplev.c: Likewise.
4405 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4406 and don't try to define it here.
4407 * Makefile.in (cppmain.o): Depend on machmode.h.
4408 (cpplib.o): Likewise.
4409 (cpperror.o): Likewise.
4410 (cppexp.o): Likewise.
4411 (cppfiles.o): Likewise.
4412 (cpphash.o): Likewise.
4413 (cppalloc.o): Likewise.
4414 (fix-header.o): Likewise.
4415 (scan-decls.o): Likewise.
4417 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
4419 * sh.c (print_operand): lookup interrupt_handler attribute instead
4420 of relying on static variable.
4421 * (calc_live_regs): Likewise.
4422 * (sh_pragma_insert_attributes): Create interrupt_handler
4423 attribute if a pragma was specified
4424 * (sh_valid_machine_decl_attribute): Don't set static flag.
4425 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
4427 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4429 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4430 to determine if a register is live at a jump destination.
4431 Everything is dead at a BARRIER.
4433 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
4435 * cse.c (simplify_unary_operation): Sign-extend constants when
4436 they have the most significant bit set for the target.
4437 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
4439 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
4440 HOST_WIDE_INT temporary before negating it.
4441 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
4443 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
4445 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
4448 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4450 * collect2.h: New header file for prototypes.
4452 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
4454 * collect2.c: Include collect2.h.
4455 * tlink.c: Likewise.
4457 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
4459 * flow.c: Update some comments.
4461 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
4463 * objc/objc-act.c (cpp_initialized): Removed.
4464 (lang_init_options): Initialize cpplib.
4465 (lang_decode_option): Move initialization of cpplib to
4467 * c-lang.c: (parse_options,parse_in): Added.
4468 (lang_init_options): Initialized cpplib here.
4469 * c-decl.c (parse_options,cpp_initialized): Removed.
4470 (c_decode_option): Move initialization of cpplib to
4473 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4475 * reload1.c (reload_combine, reload_combine_note_store):
4476 Make STORE_RUID always valid.
4477 (reload_combine): Check if BASE is clobbered too early.
4479 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
4481 * reload.c (find_reloads): Display the insn that cannot be
4484 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
4486 * cccp.c (create_definition): Fix end of bufer logic.
4488 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4490 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
4491 pointer parameters changed to use the PARAMS() macro.
4493 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4495 * except.h (struct handler_info): Add handler_number field.
4496 * except.c (gen_exception_label): EH labels no longer need to be
4497 on the permanent obstack.
4498 (get_new_handler): Set the label number field.
4499 (output_exception_table_entry): Regenerate handler label reference
4500 from the label number field.
4501 (init_eh): Remove a blank line.
4502 * integrate.c (get_label_from_map): Labels no longer need to be
4503 on the permanent obstack.
4505 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
4507 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
4508 only when OUTER_CODE is SET.
4510 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4512 * loop.c (strength_reduce): If scan_start points to the loop exit
4513 test, be wary of subversive use of gotos inside expression statements.
4514 Don't set maybe_multiple for a backward jump that does not
4515 include the label under consideration into its range.
4516 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
4518 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4520 * explow.c (plus_constant_wide): Don't immediately return with
4521 result of recursive call.
4523 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
4525 * eh-common.h (struct eh_context): Add table_index for rethrows.
4527 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
4528 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
4529 processed when inlined or unrolled (ie duplicated in some way).
4531 * rtl.c (reg_note_name): Add strings for new reg_note enums.
4533 * expr.h (rethrow_libfunc): New library decl.
4535 * optabs.c (rethrow_libfunc): Initialize.
4537 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4538 (new_eh_region_entry): No longer exported from except.c.
4539 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4540 different prototype.
4541 (rethrow_symbol_map, rethrow_used): New exported functions.
4542 (eh_region_from_symbol): New exported function.
4544 * except.c (create_rethrow_ref): New function to create a single
4545 SYMBOL_REF for a rethrow region.
4546 (push_eh_entry): Initialize a rethrow ref.
4547 (func_eh_entry): Add a rethrow_label field.
4548 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4549 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4550 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4551 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4552 a region into an appropriate new symbol.
4553 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4554 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4555 (end_catch_handler): Emit a barrier for new-exceptions since
4556 control can never drop through the end of a catch block.
4557 (expand_end_all_catch): new-exceptions never fall through a catch
4559 (expand_rethrow): use __rethrow routine for new exceptions.
4560 (output_exception_table_entry): Generate rethrow labels, if needed.
4561 (output_exception_table): Generate start and end rethrow labels.
4562 (init_eh): Create rethrow symbols for beginning and end of table.
4563 (scan_region): Don't eliminate EH regions which are the targets of
4566 * flow.c (make_edges): Add different edges for rethrow calls,
4567 identified by having the REG_EH_RETHROW reg label.
4568 (delete_unreachable_blocks): Don't delete regions markers which are
4569 the target of a rethrow.
4571 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
4572 allow save_for_inline_copying to call duplicate_eh_handlers.
4573 (save_for_inline_copying): Call duplicate_eh_handlers instead of
4574 exposing internal details of exception regions.
4575 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
4576 (expand_inline_function_eh_labelmap): New callback routine to
4577 allow expand_inline_function to call duplicate_eh_handlers.
4578 (expand_inline_function): Call duplicate_eh_handlers instead of
4579 exposing internal details of exception regions.
4580 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
4583 * libgcc2.c (find_exception_handler): Generalize to enable it to
4584 pick up processing where it left off last time for a rethrow.
4585 (__unwinding_cleanup): New function. debug hook which is called before
4586 unwinding when __throw finds there is nothing but cleanups left.
4587 (throw_helper): Common parts of __throw extracted out for reuse.
4588 (__throw): Common parts moved to throw_helper.
4589 (__rethrow): New function for performing rethrows.
4591 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
4593 * reload1.c (current_function_decl): Tweak declaration.
4595 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
4597 * c-decl.c (flag_isoc9x): Default off.
4598 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
4599 * cccp.c (print_help, main): Likewise.
4600 * gcc.c (default_compilers): Update for -std=gnu*.
4602 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
4604 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
4605 * demangle.h: Deleted.
4607 * reload1.c (current_function_decl): Declare.
4609 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4611 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
4613 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4615 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
4617 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
4619 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
4621 * configure: Rebuilt.
4622 * system.h: If the *_unlocked functions are available use them
4623 instead of the locked counterparts by defining macros.
4624 * config.in: Regenerated.
4626 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
4628 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
4629 wrong and should only be used for dump related things, not
4630 debugging information, instead main_input_filename should be used.
4631 Also, reuse output_file_directive if possible.
4632 * i386/aix386ng.h (ASM_FILE_START): Likewise.
4633 * i386/isc.h (ASM_FILE_START): Likewise.
4634 * i386/win-nt.h (ASM_FILE_START): Likewise.
4635 * i386/sun386.h (ASM_FILE_START): Likewise.
4637 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
4639 * configure.in (mips*-*-linux*): Handle big and little endian
4641 * configure: Rebuilt.
4643 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
4645 * emit-rtl.c: Fix typo.
4647 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
4649 * reload1.c (eliminate_regs): Don't do anything, if we're not
4652 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
4654 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
4656 * mips/mips.c (mips_select_section): Add comment.
4658 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
4660 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
4661 characters in file names in #line to be consistent with #include
4662 handling. We support escape prcessing in the # 1 "..." version of
4663 the command. See also support in cp/lex.c.
4664 (handle_directive): Likewise.
4665 (do_line): Likewise.
4667 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4669 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
4670 so it'll work on non-ASCII platforms. Always consider $ an
4671 identifier character. Take no arguments.
4672 (cpp_reader_init): Call initialize_char_syntax with no
4674 (cpp_start_read): Don't call initialize_char_syntax again.
4675 Clear is_idchar['$'] and is_idstart['$'] if not
4676 opts->dollars_in_ident.
4678 * cpplib.h (struct cpp_reader): Replace void *data element by
4679 cpp_options *opts. Rearrange elements to make gdb printout
4680 less annoying (put buffer stack at end).
4681 (CPP_OPTIONS): Get rid of now-unnecessary cast.
4683 * cppmain.c: s/data/opts/ when initializing cpp_reader
4685 * c-decl.c: Likewise.
4686 * objc/objc-act.c: Likewise.
4687 * fix-header.c: Likewise.
4689 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4691 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
4692 with a struct file_name_list pointer.
4693 (struct cpp_reader): Add pointer to chain of `actual
4694 directory' include searchpath entries.
4695 (struct file_name_list): Add *alloc pointer for the sake of
4696 the actual-directory chain.
4698 Move definition of HOST_WIDE_INT here.
4699 (cpp_parse_escape): Change prototype to match changes in
4702 * cppfiles.c (actual_directory): New function.
4703 (finclude): Use it to initialize the buffer's actual_dir
4705 (find_include_file): We don't need to fix up max_include_len
4708 * cpplib.c (do_include): Don't allocate a file_name_list on
4709 the fly for current directory "" includes, use the one that's
4710 been preallocated in pfile->buffer->actual_dir. Hoist out
4711 duplicate code from the search_start selection logic.
4712 (cpp_reader_init): Initialize pfile->actual_dirs.
4714 Remove definition of HOST_WIDE_INT. Change calls
4715 to cpp_parse_escape to match changes in cppexp.c (note
4716 hardcoded MASK, which is safe since this is the source
4719 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
4720 to handle wide character constants in #if directives. The
4721 function now returns a HOST_WIDE_INT, and takes a third
4722 argument which is a binary mask for all legal values (0x00ff
4723 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
4724 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
4725 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
4727 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
4729 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
4731 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4733 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
4734 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
4735 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
4737 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
4739 * final.c (output_asm_name): Use tabs to seperate comments from
4742 Include instruction lengths (if defined) in output.
4744 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4746 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
4747 in the loop_info structure.
4749 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
4751 * configure.in: (arm*-*-ecos-elf): New target.
4752 * configure: Regenerated.
4753 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
4754 * config/arm/ecos-elf.h: New file.
4755 * config/arm/unknown-elf.h (TARGET_VERSION): Check
4758 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4760 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
4762 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
4764 * version.c: Bump for snapshot.
4766 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4768 * loop.c (check_dbra_loop): New argument loop_info. Update fields
4771 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
4773 * version.c: Bump for snapshot.
4775 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4777 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
4778 compressed reports are ok and preferred over URLs
4780 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4782 * invoke.texi (Warning Options): Soften the tone of -pedantic
4784 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
4786 * print-rtl.c (print_rtx): Add prototype.
4788 * unroll.c (iteration_info): Make it static.
4790 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
4792 * alias.c (memrefs_conflict_p): A second ANDed address
4793 disables the aligned address optimization.
4795 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
4797 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
4800 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4802 * i960.h (BOOL_TYPE_SIZE): Define.
4804 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4806 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
4807 from old valid_parallel_operands_4.
4808 (valid_parallel_operands_4): Check that operands for 4 operand
4809 parallel insns are valid, excluding load/store insns.
4810 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
4811 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
4812 valid_parallel_load_store instead of valid_parallel_operands_4.
4813 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
4814 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
4815 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
4816 *notqi_movqi_clobber): Use valid_parallel_operands_4.
4817 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
4818 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
4819 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
4821 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4823 * config/c4x/c4x.c (iteration_info): Delete extern.
4825 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4827 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
4829 * final.c (cleanup_subreg_operands): Delete some unused code.
4831 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
4832 (struct insn_alternative): New structure definition.
4833 (recog_op_alt): Declare variable.
4834 (preprocess_constraints): Declare function.
4835 * recog.c (recog_op_alt): New variable.
4836 (extract_insn): Verify number of alternatives is in range.
4837 (preprocess_constraints): New function.
4838 * reg-stack.c: Include recog.h.
4839 (constrain_asm_operands): Delete.
4840 (get_asm_operand_lengths): Delete.
4841 (get_asm_operand_n_inputs): New function.
4842 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
4843 N_OUTPUTS args. All callers changed.
4844 Compute number of inputs and outputs here by calling
4845 get_asm_operand_n_inputs.
4846 Instead of constrain_asm_operands, call extract_insn,
4847 constrain_operands and preprocess_constaints. Use information
4848 computed by these functions throughout.
4849 (record_reg_life): Delete code that is unused due to changes in
4850 record_asm_reg_life.
4851 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
4852 N_INPUTS and N_OUTPUTS args. All callers changed.
4853 Similar changes as in record_asm_reg_life.
4854 (subst_stack_regs): Move n_operands declaration into the if statement
4856 Delete code that is unused due to changes in subst_asm_stack_regs.
4857 * stmt.c (expand_asm_operands): Verify number of alternatives is in
4859 * Makefile.in (reg-stack.o): Depend on recog.h.
4861 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
4863 * except.c (set_exception_version_code): Argument is an "int".
4865 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
4867 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
4868 * configure: Rebuilt.
4870 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
4872 * configure.in (mipsel-*-linux*): New target.
4873 * mips/linux.h: New file, based on other Linux targets.
4875 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
4877 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
4878 runs in the context of the deleter, not the deletee, so we must
4879 use taskVarGet to find the correct memory to free.
4880 (__gthread_key_create): Initialize the task
4881 variable subsystem so that the task variable is still active when
4882 the delete hook is run.
4884 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
4886 * pdp11.h: Use optimize_size for space optimizations.
4887 * pdp11.c: Likewise.
4888 * pdp11.md: Likewise.
4890 * pdp11.h (TARGET_40_PLUS): Fix typo.
4892 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
4894 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
4897 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4899 * alias.c (addr_side_effect_eval): New function.
4900 (memrefs_conflict_p): Use it.
4901 * rtl.h (addr_side_effect_eval): Prototype it.
4903 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
4905 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
4907 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
4909 * reload.c (find_reloads): When force const to memory, put result
4910 in substed_operand not *recog_operand_loc.
4912 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
4914 * c-lex.c: Fix indentation from last patch.
4915 Remove trailing whitespace.
4918 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
4920 * flow.c (delete_block): Call set_last_insn after we have reset
4921 NEXT_INSN (kept_tail).
4923 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
4925 * mips.md (trap_if): Use "$0" for the value zero.
4927 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
4928 Stephen L Moshier <moshier@world.std.com>
4929 Richard Henderson <rth@cygnus.com>
4931 * c-common.c (declare_function_name): Declare predefinied variable
4934 * c-decl.c (flag_isoc9x): Set to 1 by default.
4935 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
4936 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
4938 * c-parse.in: Allow constructors in ISO C 9x.
4939 Rewrite designator list handling.
4940 Allow [*] parameters.
4941 Don't warn about comma at end of enum definition for ISO C 9x.
4943 * cccp.c (c9x): New variable.
4944 (rest_extension): New variable.
4945 (print_help): Document new -std= option.
4946 (main): Recognize -std= option. Set c9x appropriately.
4947 (create_definition): Recognize ISO C 9x vararg macros.
4949 * gcc.c (default_compilers): Adjust specs for -std options.
4950 (option_map): Add --std.
4951 (display_help): Document -std.
4953 * toplev.c (documented_lang_options): Add -std and remove
4956 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
4957 or REAL_VALUE_HTOF based on base of the constants.
4958 * fold-const.c (real_hex_to_f): New function. Replacement function
4959 for hex FP conversion if REAL_ARITHMETIC is not defined.
4960 * real.c (asctoeg): Add handling of hex FP constants.
4961 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
4964 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
4966 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
4967 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
4968 expansion. Use hi/lo as destination register.
4970 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
4971 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
4972 Avoid as macro expansion. Use hi/lo as destination register.
4974 * mips.h (MASK_CHECK_RANGE_DIV): New.
4975 (MASK_NO_CHECK_ZERO_DIV): New.
4976 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
4977 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
4978 return address for leaf functions out of r31 to support
4979 builtin_return_address.
4981 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4983 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
4984 NEXT_INSN(x) to check insn x.
4986 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
4988 * flow.c (delete_block): Call set_last_insn if we end up deleting the
4989 last insn in the rtl chain.
4991 * reload1.c (reload): Do not set reload_completed or split insns
4993 * toplev.c (rest_of_compilation): Set reload_completed after
4994 reload returns. Split insns after reload_cse has run.
4996 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
4998 * final.c (final_scan_insn): Abort if block_depth falls below 0.
5000 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
5002 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
5004 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
5006 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
5007 use of user-label_prefix.
5009 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5011 * reload1.c (emit_reload_insns): Clear spill_reg_store
5012 when doing a new non-inherited reload from the same pseudo.
5014 * local-alloc.c (function_invariant_p): New function.
5015 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
5016 to decide if an equivalence should be recorded.
5017 * reload1.c (num_eliminable_invariants): New static variable.
5018 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
5019 to decide if an equivalence should be recorded.
5021 (calculate_needs_all_insns): Skip insns that only set an equivalence.
5022 Take num_eliminable_invariants into account when deciding
5023 if register elimination should be done.
5024 (reload_as_needed): Take num_eliminable_invariants into account
5025 when deciding if register elimination should be done.
5026 (eliminate_regs): Handle non-constant reg_equiv_constant.
5027 * rtl.h (function_invariant_p): Declare.
5029 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
5031 * version.c: Bump for snapshot.
5033 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
5035 * version.c: Bump for snapshot.
5037 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
5039 * except.c (add_new_handler): Complain about additional handlers
5040 after one that catches everything.
5042 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
5044 * configure.in (alpha*-*-netbsd): Fix typo.
5045 * configure: Rebuilt.
5047 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5049 * system.h: Include libiberty.h.
5051 * c-aux-info.c: Remove prototypes for concat/concat3. Change
5052 function `concat' from fixed parameters to variable parameters,
5053 as is done in libiberty. All callers of concat/concat3
5054 changed to use the new `concat' with variable args.
5056 * cccp.c: Remove things made redundant by libiberty.h and/or
5057 conform to libiberty standards.
5059 * collect2.c: Likewise.
5060 * config/1750a/1750a.h: Likewise.
5061 * cppalloc.c: Likewise.
5062 * cppexp.c: Likewise.
5063 * cppfiles.c: Likewise.
5064 * cpphash.c: Likewise.
5065 * cpplib.c: Likewise.
5066 * dyn-string.c: Likewise.
5067 * fix-header.c: Likewise.
5070 * genattr.c: Likewise.
5071 * genattrtab.c: Likewise.
5072 * gencheck.c: Likewise.
5073 * gencodes.c: Likewise.
5074 * genconfig.c: Likewise.
5075 * genemit.c: Likewise.
5076 * genextract.c: Likewise.
5077 * genflags.c: Likewise.
5078 * gengenrtl.c: Likewise.
5079 * genopinit.c: Likewise.
5080 * genoutput.c: Likewise.
5081 * genpeep.c: Likewise.
5082 * genrecog.c: Likewise.
5083 * getpwd.c: Likewise.
5084 * halfpic.c: Likewise.
5086 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
5087 in NEED_DECLARATION_* macros.
5089 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
5090 conform to libiberty standards.
5091 (fatal): Fix const-ification of variable `format' in
5092 !ANSI_PROTOTYPES case.
5094 * prefix.c: Remove things made redundant by libiberty.h and/or
5095 conform to libiberty standards.
5097 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
5098 conflicting with function `spaces' from libiberty.
5100 * profile.c: Remove things made redundant by libiberty.h and/or
5101 conform to libiberty standards.
5102 * protoize.c: Likewise.
5105 * tlink.c: Likewise.
5106 * toplev.c: Likewise.
5107 * toplev.h: Likewise.
5110 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5112 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
5114 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5116 * README.C4X: Updated URLs.
5117 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
5118 (valid_parallel_operands_5): Remove unused variable.
5120 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5122 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
5124 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
5126 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
5127 which can be configured.
5128 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
5129 (Makefile): Pass actual LANGUAGES through the environment when
5131 (cstamp-h): Likewise.
5132 (config.status): Likewise.
5134 * configure.in (enable_languages): Add new configuration parameter
5135 "--enable-languages=lang1,lang2,...".
5136 (${srcdir}/*/config-lang.in): Change handling to configure only
5137 those directories, that the user might have enabled; default to
5138 "all" existing languages.
5139 * configure: Regenerate.
5141 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
5143 * rtlanal.c (regs_set_between_p): New function.
5144 * rtl.h (regs_set_between_p): Prototype it.
5145 * jump.c (jump_optimize): Use it instead of modified_between_p
5146 in the Sep 2 change.
5148 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
5149 Matthias Pfaller <leo@dachau.marco.de>
5151 * invoke.texi (Option Summary, NS32K Options): add description
5152 of NS32K specific options.
5154 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
5155 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
5156 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
5157 negdf2, absdf2): Use l instead of f since the double class and
5158 float class are no longer the same.
5159 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
5160 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
5161 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
5162 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
5164 (cmpsi, cmphi, cmpqi): use general_operand instead of
5165 non_immediate_operand. Removes erroneous assumption that can't
5167 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
5168 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
5170 (movstrsi, movstrsi1, movstrsi2): completely new block move
5172 (...): Patterns to exploit multiply-add instructions.
5173 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
5174 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
5175 patterns to exploit extended divide insns.
5176 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
5179 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
5180 float return values as well as simple scalar floats.
5181 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
5182 support new flag to denote 32381 fpu.
5183 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
5184 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
5186 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
5187 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
5188 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
5189 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5190 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
5191 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
5192 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
5193 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
5194 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
5195 fpu registers and special register classes for new 32381
5196 instructions dotf and polyf.
5197 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
5199 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
5200 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
5202 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
5203 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
5204 (REGISTER_MOVE_COST): move code to register_move_cost function for
5205 ease of coding and debugging.
5206 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
5207 LONG_FLOAT_REGO is likely spilled but not caught by default
5209 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
5210 instead of hard coded numbers in range check.
5211 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
5212 (...): Add prototypes for functions in ns32k.c but disable because
5213 of problems when ns32k.h is included in machine independant files.
5215 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
5216 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
5217 hard_regno_mode_ok, secondary_reload_class,
5218 print_operand, print_operand_address): new register scheme to
5219 include 32381 fpu registers and special register classes for new
5220 32381 instructions dotf and polyf.
5221 (gen_indexed_expr): Make static to keep namespace clean.
5222 (check_reg): remove since never called.
5223 (move_tail, expand_block_move): helper functions for "movstrsi"
5225 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
5226 Increase cost of moves which go via memory.
5227 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
5228 (CPP_PREDEFINES): nolonger predefine "unix".
5230 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
5231 Remove erroneous %$. print_operand() can work out from the rtx is
5232 an immediate prefix is required.
5234 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
5235 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
5236 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
5238 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
5241 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
5242 Correct handling of pic operands.
5243 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
5244 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
5245 -mrtd calling convention.
5247 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
5249 * gcc.c (option_map): Recognize --output-class-directory.
5251 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5253 * loop.h (precondition_loop_p): Added new mode argument.
5254 * unroll.c (precondition_loop_p): Likewise.
5255 (approx_final_value): Function deleted and subsumed
5256 into loop_iterations.
5257 (loop_find_equiv_value): New function.
5258 (loop_iterations): Use loop_find_equiv_value to find increments
5259 too large to be immediate constants. Also use it to find terms
5260 common to initial and final iteration values that can be removed.
5262 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5264 * loop.h (struct loop_info): Define new structure.
5265 (precondition_loop_p): Added prototype.
5266 (unroll_loop): Added new argument loop_info to prototype.
5267 (final_biv_value, final_giv_value): Added new argument n_iterations
5269 * loop.c (strength_reduce): Declare new structure loop_iteration_info
5270 and new pointer loop_info.
5271 (loop_n_iterations): Replace global variable by element in
5272 loop_info structure.
5273 (check_final_value): New argument n_iterations.
5274 (insert_bct): New argument loop_info.
5275 (loop_unroll_factor): Replace global array by element in
5276 loop_info structure.
5277 (loop_optimize): Remove code to allocate and initialise
5278 loop_unroll_factor_array.
5279 * unroll.c (precondition_loop_p): No longer static since
5280 used by branch on count optimization.
5281 (precondition_loop_p, unroll_loop): New argument loop_info.
5282 (final_biv_value, final_giv_value, find_splittable_regs): New
5283 argument n_iterations.
5284 (loop_iteration_var, loop_initial_value, loop_increment,
5285 loop_final_value, loop_comparison_code, loop_unroll_factor):
5286 Replaced global variables by loop_info structure.
5287 (loop_unroll_factor): Replace global array by element in
5288 loop_info structure.
5290 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5292 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
5295 * unroll.c (precondition_loop_p): Return loop_initial_value
5296 for initial_value instead of loop_iteration_var.
5298 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5300 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
5301 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
5302 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
5303 to output the instruction sequences.
5305 (rptb_top): Provide alternatives to use any register or memory
5307 (rptb_end): Emit use of operands rather than assigning them
5308 explicitly to the RS and RE registers.
5310 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5312 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
5313 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
5314 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
5315 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
5316 c4x_merge_notes, c4x_parallel_process,
5317 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
5318 c4x_combine_parallel): Delete.
5320 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5322 * config/c4x/c4x.c: (c4x_override_options): For compatibility
5323 with old target options clear flag_branch_on_count_reg if
5324 -mno-rptb specified and set flag_argument_alias is -mno-aliases
5326 (c4x_output_cbranch): Handle a sequence of insns rather than a
5328 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
5329 has not been allocated as the loop counter.
5330 (c4x_address_conflict): Do not allow two volatile memory references.
5331 (valid_parallel_operands_4, valid_parallel_operands_5,
5332 valid_parallel_operands_6): Reject pattern if the register destination
5333 of the first set is used as part of an address in the second set.
5335 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5337 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
5338 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
5339 is no longer enabled if PARALLEL_MPY_FLAG set.
5340 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
5341 (REG_CLASS_CONTENTS): Add braces around initializers.
5342 (HAVE_MULTIPLE_PACK): Define.
5343 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
5344 REAL_VALUE_TO_DECIMAL.
5345 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
5346 REAL_VALUE_TO_DECIMAL.
5347 (ar0_reg_operand): Add prototype.
5348 (ar0_mem_operand): Likewise.
5349 (ar1_reg_operand): Likewise.
5350 (ar1_mem_operand): Likewise.
5351 (ar2_reg_operand): Likewise.
5352 (ar2_mem_operand): Likewise.
5353 (ar3_reg_operand): Likewise.
5354 (ar3_mem_operand): Likewise.
5355 (ar4_reg_operand): Likewise.
5356 (ar4_mem_operand): Likewise.
5357 (ar5_reg_operand): Likewise.
5358 (ar5_mem_operand): Likewise.
5359 (ar6_reg_operand): Likewise.
5360 (ar6_mem_operand): Likewise.
5361 (ar7_reg_operand): Likewise.
5362 (ar7_mem_operand): Likewise.
5363 (ir0_reg_operand): Likewise.
5364 (ir0_mem_operand): Likewise.
5365 (ir1_reg_operand): Likewise.
5366 (ir1_mem_operand): Likewise.
5367 (group1_reg_operand): Likewise.
5368 (group1_mem_operand): Likewise.
5369 (ir1_reg_operand): Likewise.
5370 (arx_reg_operand): Likewise.
5371 (not_rc_reg): Likewise.
5372 (not_modify_reg): Likewise.
5373 (c4x_group1_reg_operand): Remove prototype.
5374 (c4x_group1_mem_operand): Likewise.
5375 (c4x_arx_reg_operand): Likewise.
5377 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
5379 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
5380 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
5382 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5384 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
5387 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5389 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
5390 unless FMOVD_WORKS is defined.
5392 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5394 * regclass.c (init_reg_sets): Move code that calculates tables
5395 dependent on reg_class_contents from here...
5396 (init_reg_sets_1): To here.
5398 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5400 * cpplib.h: Delete struct import_file. Add ihash element to
5401 struct cpp_buffer. Delete dont_repeat_files and
5402 import_hash_table elements from cpp_reader; change
5403 all_include_files to a hash table. Delete all foobar_include
5404 / last_foobar_include elements from struct cpp_options; put
5405 back four such: quote_include, bracket_include,
5406 system_include, after_include. Redo struct file_name_list
5407 completely. Add new structure type include_hash. Add
5408 prototypes for merge_include_chains and include_hash. Change
5409 prototypes for finclude, find_include_file, and
5410 append_include_chain to match changes below.
5412 * cppfiles.c (simplify_pathname, include_hash,
5413 remap_filename, merge_include_chains): New functions.
5414 (add_import, lookup_import, open_include_file): Removed.
5415 (INO_T_EQ): Define this (copied from cccp.c).
5416 (hack_vms_include_specification): Remove all calls and #if 0
5417 out the definition. It was being called incorrectly and at
5418 the wrong times. Until a VMSie can look at this, it's better
5419 to not pretend to support it.
5420 (append_include_chain): Change calling convention; now takes
5421 only one directory at a time, and sets up the data structure
5423 (redundant_include_p): Rewritten - this is now used for all
5424 include redundancy, whether by #ifndef, #import, or #pragma
5425 once. Looks up things in the include hash table.
5426 (file_cleanup): Decrement pfile->system_include_depth here if
5428 (find_include_file): Calling convention changed; now passes
5429 around a struct include_hash instead of 3 separate parameters.
5430 Guts ripped out and replaced with new include_hash mechanism.
5431 (finclude): Calling convention changed as for
5432 find_include_file. Error exits pulled out-of-line. Reformat.
5433 (safe_read): Return a long, not an int.
5434 (deps_output): Don't recurse.
5436 * cpplib.c (is_system_include): Deleted.
5437 (path_include): Fix up call to append_include_chain.
5438 (do_include): Fix up calls to find_include_file and finclude.
5439 Clean up dependency output a bit. Shorten obnoxiously lengthy
5440 #import warning message. Don't decrement
5441 pfile->system_include_depth here.
5442 (do_pragma): Understand the include_hash structure. Reformat.
5443 (do_endif): Correct handling of control macros. Understand
5445 (cpp_start_read): Fix up calls to finclude. Call
5446 merge_include_chains.
5447 (cpp_handle_option): Fix up calls to append_include_chain.
5448 Understand the four partial include chains.
5449 (cpp_finish): Add debugging code (#if 0-ed out) for the
5451 (cpp_cleanup): Free the include_hash, not the import hash and
5452 the all_include and dont_repeat lists which no longer exist.
5454 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
5456 * toplev.c (no_new_pseudos): Define.
5457 (rest_of_compilation): Set no_new_pseudos as needed.
5458 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
5459 if no_new_pseudos is set.
5460 * rtl.h (no_new_pseudos): Declare it.
5461 * reload1.c (reload): Update comments.
5462 * md.texi: Corresponding changes.
5464 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5466 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
5467 (choose_reload_regs): Rename it here as well. When computing it,
5468 also merge in used hardregs.
5470 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5472 * gcc.c: Split out Objective-C specs to...
5473 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
5476 * c-lex.c (init_parse): Always initialize the filename global.
5477 * objc/objc-act.c (lang_init): Always call check_newline at
5480 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
5482 * reload1.c (reload): Remove unused variable.
5483 (reload_reg_free_for_value_p): Add missing parameter definition.
5485 * jump.c (jump_optimize): Remove unused variable.
5487 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
5489 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
5491 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
5493 * expr.c (move_by_pieces): Similarly.
5494 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
5495 * flow.c (find_auto_inc): Similarly.
5496 (try_pre_increment): Similarly.
5497 * loop.c (strength_reduce): Similarly.
5498 * regclass.c (auto_inc_dec_reg_p): Similarly.
5499 * regmove.c (try_auto_increment): Similarly.
5500 (fixup_match_1): Similarly.
5501 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
5502 (HAVE_PRE_DECREMENT): Similarly.
5503 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
5504 * Corresponding changes to all target header files.
5505 * tm.texi: Update docs for autoinc addressing modes.
5507 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
5509 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
5510 * configure: Rebuild.
5511 * config/elfos.h: New file.
5512 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
5513 config/m68k/t-m68kelf: New file.
5515 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
5517 * Makefile.in (HOST_AR): Define.
5518 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
5519 (libcpp.a): Use the host tools explicitly.
5520 (STAGESTUFF): Add libcpp.a.
5522 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
5524 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
5525 to source and destination registers.
5527 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
5529 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
5530 The strategy we now use is to pre allocate the top_elt along
5531 with the EH context so that each thread has its own top_elt.
5532 This is necessary as the dynmanic cleanup chain is used on the
5533 top element of the stack and each thread MUST have its own.
5534 (eh_context_static): Likewise.
5535 (new_eh_context): Likewise.
5536 (__sjthrow): Likewise.
5538 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5540 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5541 * i386.md (prologue_get_pc): Remove unused variable.
5543 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5545 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5547 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5549 * Makefile.in (OBJS): Add graph.o
5550 (graph.o): New dependency list.
5551 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5552 * print-rtl.c (dump_for_graph): Define new variable.
5553 (print_rtx): Rewrite to allow use in graph dumping functions.
5554 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5555 finish_graph_dump_file.
5556 Define graph_dump_format.
5557 (compile_file): If graph dumping is enabled also clear these files.
5558 Finish graph dump files.
5559 (rest_of_compilation): Also dump graph information if enabled.
5560 (main): Recognize -dv to enabled VCG based graph dumping.
5561 * graph.c: New file. Graph dumping functions.
5563 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5565 * configure.in: Look for <sys/stat.h>.
5566 * system.h: Include it before substitute S_ISREG definitions.
5568 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
5570 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
5571 * config/mips/iris6.h: Same.
5572 * config/mips/mips.md: Same.
5573 * config/mips/mips.c: Same; also add "-mabi=o64" option.
5574 * config/mips/mips.h: Same; also define ABI_O64.
5576 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5578 * configure.in: Use AC_PREREQ(2.12.1).
5580 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5582 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
5583 * cpplib.c, gcc.c: Likewise.
5584 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
5586 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
5588 * local-alloc.c (local_alloc): Use malloc not alloca for
5589 reg_qty, reg_offset, ref_next_in_qty.
5591 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5593 * caller-save.c (insert_one_insn): Initialize the live_before and
5594 live_after register sets.
5598 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
5599 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
5600 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
5601 (fp_reg_names, assembler_dialect): New variables.
5602 (print_operand_address): Handle SUBREGs.
5603 (print_operand): Added 'o' case.
5604 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
5605 Name of FP registers depends on mode.
5606 (expand_block_move): Emit different code for SH4 hardware.
5607 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
5608 (from_compare): Likewise.
5609 (add_constant): New argument last_value. Changed all callers.
5610 (find_barrier): Don't try HImode load for FPUL_REG.
5611 (machine_dependent_reorg): Likewise.
5612 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
5613 (gen_far_branch): Emit a barrier after the new jump.
5614 (barrier_align): Don't trust instruction lengths before
5616 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
5617 Use auto-inc addressing for fp registers if doubles need to
5618 be loaded in two steps.
5619 Set sh_flag_remove_dead_before_cse.
5620 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
5621 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
5622 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
5623 Support for FIRST_XD_REG .. LAST_XD_REG.
5624 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
5625 (sh_expand_epilogue): Likewise.
5626 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
5627 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
5628 (arith_reg_operand): FPUL_REG is OK for SH4.
5629 (fp_arith_reg_operand, fp_extended_operand) New functions.
5630 (tertiary_reload_operand, fpscr_operand): Likewise.
5631 (commutative_float_operator, noncommutative_float_operator): Likewise.
5632 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
5633 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
5634 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
5635 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
5636 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
5637 (CONDITIONAL_REGISTER_USAGE): Likewise.
5638 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
5639 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
5640 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
5641 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
5642 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
5643 to -1 and sh_flag_remove_dead_before_cse to 1.
5644 (ASSEMBLER_DIALECT): Define to assembler_dialect.
5645 (assembler_dialect, fp_reg_names): Declare.
5646 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
5647 Hide names of registers that are not accessible.
5648 (CACHE_LOG): Take TARGET_CACHE32 into account.
5649 (LOOP_ALIGN): Take TARGET_HARWARD into account.
5650 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
5651 (FIRST_PSEUDO_REGISTER: Now 49.
5652 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
5653 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
5654 (HARD_REGNO_MODE_OK): Update.
5655 (enum reg_class): Add DF_REGS and FPSCR_REGS.
5656 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
5657 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
5658 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
5659 (NPARM_REGS): Eight floating point parameter registers on SH4.
5660 (BASE_RETURN_VALUE_REG): SH4 also passes double values
5661 in floating point registers.
5662 (GET_SH_ARG_CLASS) Likewise.
5663 Complex float types are also returned in float registers.
5664 (BASE_ARG_REG): Complex float types are also passes in float registers.
5665 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
5666 (LIBCALL_VALUE): Remove trailing semicolon.
5667 (ROUND_REG): Round when double precision value is passed in floating
5669 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
5670 passed on the stack.
5671 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
5672 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
5673 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
5674 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
5675 (MODE_DISP_OK_8): Not for SH4 DFmode.
5676 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
5677 Allow indexed addressing for PSImode after reload.
5678 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
5679 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
5680 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
5681 (DOUBLE_TYPE_SIZE): 64 for SH4.
5682 (RTX_COSTS): Add PLUS case.
5683 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
5684 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
5685 MAC_REGS, PR_REGS, DF_REGS.
5686 (REGISTER_NAMES): Use fp_reg_names.
5687 (enum processor_type): Add PROCESSOR_SH4.
5688 (sh_flag_remove_dead_before_cse): Declare.
5689 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
5690 (PREDICATE_CODES): Add binary_float_operator,
5691 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
5692 fpscr_operand, noncommutative_float_operator.
5693 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
5694 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
5695 * sh.md (attribute cpu): Add value sh4.
5696 (attrbutes fmovd, issues): Define.
5697 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
5698 (function units memory, int, mpy, fp): Make dependent on issue rate.
5699 (function units issue, single_issue, load_si, load): Define.
5700 (function units load_store, fdiv, gp_fpul): Define.
5701 (attribute hit_stack): Provide proper default.
5702 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
5703 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
5704 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
5705 (mulsi3_call): Now uses match_operand for function address.
5706 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
5708 (push, pop, push_e, pop_e): Now define_expands.
5709 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
5710 (movsi_ie): Added y/i alternative.
5711 (ic_invalidate_line_i, movdf_i4): New insns.
5712 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
5713 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
5714 (movdf): Add special code for SH4.
5715 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
5716 (call_valuei, calli, call_value): Likewise.
5717 (movsf): Emit no-op move.
5718 (mov_nop, movsi_y): New insns.
5719 (blt, sge): generalize to handle DFmode.
5720 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
5721 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
5722 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
5723 (fpu_switch0, fpu_switch1, movpsi): New expanders.
5724 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
5725 (toggle_sz): New insn.
5726 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
5727 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
5728 (macsf3): Make use of fpscr visible. Disable for SH4.
5729 (floatsisf2): Make use of fpscr visible.
5730 (floatsisf2_i4): New insn.
5731 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
5732 (ieee_ccmpeqsf_t): Likewise.
5733 (fix_truncsfsi2): Emit different code for SH4.
5734 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
5735 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
5736 (negsf2, sqrtsf2, abssf2): Now expanders.
5737 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
5738 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
5739 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
5740 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
5741 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
5742 (fix_truncdfsi2_i4_2+1): New splitters.
5743 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
5744 (extendsfdf2, truncdfsf2): New expanders.
5745 (truncdfsf2_i4): New insn.
5746 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
5747 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
5748 * float-sh.h: When testing for __SH3E__, also test for
5749 __SH4_SINGLE_ONLY__ .
5750 * va-sh.h (__va_freg): Define to float.
5751 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
5752 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
5753 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
5754 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
5756 (TARGET_SH4_P): Define.
5759 * sh.md (movdf_k, movsf_i): Tweak the condition so that
5760 init_expr_once is satisfied about the existence of load / store insns.
5762 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
5763 change m constraint in source operand to mr / mf .
5765 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
5767 * (__VA_REEF): Define.
5768 (__va_arg_sh1): Use it.
5770 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
5772 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
5774 * i386/dgux.c (struct option): Add new "description field".
5775 * m88k/m88k.c (struct option): Likewise.
5777 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
5779 * version.c: Bump for snapshot.
5781 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5783 * regmove.c (regmove_profitable_p): Use return value of find_matches
5786 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
5788 * version.c: Bump for snapshot.
5790 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
5792 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
5793 without reload having been called earlier.
5795 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
5797 (v850_reorg): Similarly.
5799 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
5801 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5803 * loop.c (move_movables): Start of libcall might be new loop start.
5805 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5807 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
5809 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5811 * function.c (nonlocal_goto_handler_slots): Renamed from
5812 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
5813 (push_function_context_to): Adjust for this change.
5814 (pop_function_context_from): Likewise.
5815 (init_function_start): Likewise.
5816 (expand_function_end): Likewise.
5817 * function.h (struct function): Likewise.
5818 * calls.c (expand_call): Likewise.
5819 * explow.c (allocate_dynamic_stack_space): Likewise.
5820 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
5821 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
5823 (expand_goto): When doing a nonlocal goto, find corresponding handler
5824 slot for it. Don't put the label address in the static chain register.
5825 (expand_end_bindings): Break out nonlocal goto handling code into
5826 three new functions.
5827 (expand_nl_handler_label, expand_nl_goto_receiver,
5828 expand_nl_goto_receivers): New static functions, broken out of
5829 expand_end_bindings and adapted to create one handler per nonlocal
5831 * function.c (delete_handlers): Delete insn if it references any of
5832 the nonlocal goto handler slots.
5833 * i960.md (nonlocal_goto): Comment out code that modifies
5835 * sparc.md (nonlocal_goto): Likewise.
5836 (goto_handler_and_restore_v9): Comment out.
5837 (goto_handler_and_restore_v9_sp64): Comment out.
5839 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5841 * expr.c (STACK_BYTES): Delete unused macro.
5842 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
5843 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5844 (expand_call): Likewise.
5845 (emit_library_call): Likewise.
5846 (emit_library_call_value): Likewise.
5847 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
5848 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5849 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
5850 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5851 (allocate_dynamic_stack_space): Likewise.
5852 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
5853 (STACK_BOUNDARY): Update description to reflect the new situation.
5855 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
5857 * reorg.c (relax_delay_slots): When optimizing for code size, if a
5858 return with a filled delay slot is followed by a return with an
5859 unfilled delay slot, delete the first return and reemit the insn
5860 that was previously in its delay slot.
5862 * i860.c (single_insn_src_p): Add missing parens.
5863 * ginclude/math-3300.h: Likewise.
5865 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
5867 * regclass.c (init_reg_sets_1): Add prototype.
5868 (init_reg_modes): Likewise.
5870 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
5872 * c-common.c: Change warning messages to say `comparison is
5873 always true' or `comparison is always false' instead of the
5874 confusing `is always 0', `is always 1'.
5876 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
5878 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
5879 break instead of return (which loses closing '>').
5881 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
5883 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
5884 standard 387 constants.
5886 * i386.md (jump): Explicitly set "memory" attribute.
5887 (indirect_jump, prologue_set_stack_ptr): Likewise.
5888 (prologue_get_pc_and_set_got, pop): Likewise.
5889 (allocate_stack_worder, blockage, return_internal): Likewise.
5890 (return_pop_internal, nop): Likewise.
5891 (epilogue_set_stack_ptr, leave): Likewise.
5893 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
5895 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
5897 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5899 * reload1.c (reload_reg_free_for_value_p):
5900 Early auto_inc reloads don't conflict with outputs.
5902 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5904 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
5905 Instead call AC_HEADER_SYS_WAIT.
5907 * collect2.c: Don't provide defaults for sys/wait.h macros.
5909 * protoize.c: Likewise. Also, don't include sys/wait.h.
5911 * system.h: Include sys/wait.h and provide macro defaults.
5913 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5915 * Makefile.in (mandir): Set to @mandir@.
5916 (man1dir): New variable to hold the former value of $(mandir).
5917 Replace all uses of $(mandir) by $(man1dir).
5919 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
5921 * reload.c (find_reloads_address_part): If have a CONST_INT, create
5922 a new one before passing it to force_const_mem.
5924 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
5925 find_reloads_address call.
5927 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5929 * expr.c (store_expr): Don't generate load-store pair
5930 if TEMP is identical (according to ==) with TARGET.
5932 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5934 * reload1.c (reload_reg_free_for_value_p): When considered reload
5935 has an output, matching inputs are not sufficient to avoid conflict.
5937 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
5939 * hash.h (hash_table_key): New type.
5940 (hash_entry): Change `string' field to generic `key'.
5941 (hash_table): Add `comp' and `hash' functions.
5942 (hash_table_init): Take them as input.
5943 (hash_table_init_n): Likewise.
5944 (hash_lookup): Modify for generic keys.
5945 (hash_newfunc): Likewise.
5946 (hash_traverse): Likewise.
5947 (string_hash): New function.
5948 (string_compare): Likewise.
5949 (string_copy): Likewise.
5950 * hash.c (hash_table_init_n): Modify for generic keys.
5951 (hash_table_init): Likewise.
5952 (hash_lookup): Likewise.
5953 (hash_newfunc): Likewise.
5954 (hash_traverse): Likewise.
5955 (string_hash): Split out from hash_lookup.
5956 (string_compare): New function.
5957 (string_copy): Split out from hash_lookup.
5958 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
5960 (symbol_hash_lookup): Likewise.
5961 (file_hash_newfunc): Likewise.
5962 (file_hash_lookup): Likewise.
5963 (demangled_hash_newfunc): Likewise.
5964 (demangled_hash_lookup): Likewise.
5965 (tlink_int): Likewise.
5966 (read_repo_file): Likewise.
5967 (recompile_files): Likewise.
5968 (demangle_new_symbols): Likewise.
5969 (scan_linker_output): Likewise.
5971 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5973 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
5975 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
5977 * rs6000.c (output_mi_thunk): Improve test for local branch.
5979 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5981 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
5983 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5985 * reload1.c (reload_reg_free_before_p): Delete.
5986 Changed all callers to use reload_reg_free_for_value_p instead.
5987 (reload_reg_free_for_value_p): Handle more reload types.
5988 A RELOAD_FOR_INPUT doesn't conflict with its
5989 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
5990 Add special case for OUT == const0_rtx.
5991 Added ignore_address_reloads argument. Changed all callers.
5993 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
5995 * toplev.c (compile_file): Don't pedwarn about undefined static
5996 functions just because we passed -Wunused.
5998 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6000 * function.c (purge_addressof_1): Unshare rtl created by
6003 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6005 * regmove.c (regmove_optimize): Don't do anything but
6006 optimize_reg_copy[123] when flag_regmove is not set.
6008 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
6010 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
6011 value in paradoxical SImode result, rather than truncating midpoint.
6013 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
6015 * alpha.c (reg_not_elim_operand): New.
6016 * alpha.h (PREDICATE_CODES): Add it.
6017 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
6018 for the multiplicand.
6020 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
6022 * rs6000.md (movsf): Remove explicit secondary-reload-like
6023 functionality. Only truncate SFmode store if in FPR.
6024 (movsf splitters): Combine const_double splitters.
6025 (movsf_hardfloat): Add GPR support.
6027 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
6029 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
6030 deprecate -mlive-g0 and -mbroken-saverestore.
6031 * t-splet (MULTILIB_OPTIONS): Likewise.
6033 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
6034 in a leaf function. Clarify total_size/extra_size relationship.
6036 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
6038 * i386/cygwin32.asm: Delete.
6039 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
6040 * i386/cygwin32.h: Delete.
6041 * i386/cygwin.h: New file, renamed from cygwin32.h.
6042 * i386/t-cygwin32: Delete.
6043 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
6044 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
6045 * i386/x-cygwin32: Delete.
6046 * i386/x-cygwin: New file, renamed from x-cygwin32.
6047 * i386/xm-cygwin32: Delete.
6048 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
6049 renamed cygwin_ funcs for path translations.
6050 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
6051 * i386/winnt.c: Remove "32" from comment about cygwin.
6052 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
6053 * rs6000/cygwin32.h: Delete.
6054 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
6055 -D__CYGWIN__ to CPP_PREDEFINES.
6056 * rs6000/x-cygwin32: Delete.
6057 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
6058 * rs6000/xm-cygwin32: Delete.
6059 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
6061 * configure.in: Check for cygwin* instead of cygwin32. Account
6062 for the rename of cygwin-related config files to lose the "32"s.
6063 * configure: Regenerate.
6065 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
6066 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
6068 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
6070 * Makefile.in (JAVAGC): New macro.
6071 * configure: Rebuilt.
6072 * configure.in: Recognize --enable-java-gc argument. Subst
6075 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6077 Handle equivalences that have been obscured by gcse:
6079 * reload1.c (reload): Handle equivalences set up in multiple places.
6080 * local-alloc.c (reg_equiv_init_insns): New variable.
6081 (no_equiv): New function.
6082 (update_equiv_regs): Handle equivalences set up in multiple places.
6083 Don't ignore an insn just because its destination is likely to be
6086 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
6088 * except.c (expand_eh_return): Readd force_operand call lost in
6091 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
6093 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
6095 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6097 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
6099 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6101 * regmove.c (regmove_optimize): Fix error in last change.
6103 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
6105 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
6106 offset in the .mask pseudo to compensate for frame pointer adjustments.
6107 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
6108 word swap arguments moved to/from FP registers.
6109 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
6111 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
6113 * version.c: Bump for snapshot.
6115 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
6117 * version.c: Bump for snapshot.
6119 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
6121 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
6122 times, then it can not be completely replaced.
6124 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
6126 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
6128 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6130 * gansidecl.h: Prepend a "G" to the macro wrapping this file
6131 (to distinguish it from the macro wrapping ansidecl.h.)
6132 Include libiberty's ansidecl.h. Remove all redundant definitions.
6133 Define the PROTO() style macros in terms of the PARAMS() ones.
6136 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
6137 __STDC__, when deciding whether to use ANSI variable args.
6138 (emit_library_call_value): Likewise.
6140 * cccp.c (error): Likewise.
6141 (warning): Likewise.
6142 (error_with_line): Likewise.
6143 (warning_with_line): Likewise.
6144 (pedwarn): Likewise.
6145 (pedwarn_with_line): Likewise.
6146 (pedwarn_with_file_and_line): Likewise.
6149 * cexp.y (error): Likewise.
6150 (pedwarn): Likewise.
6151 (warning): Likewise.
6153 * collect2.c (fatal_perror): Likewise.
6157 * combine.c (gen_rtx_combine): Likewise.
6159 * cpperror.c (cpp_message): Likewise.
6160 (cpp_fatal): Likewise.
6162 * cpplib.c (cpp_error): Likewise.
6163 (cpp_warning): Likewise.
6164 (cpp_pedwarn): Likewise.
6165 (cpp_error_with_line): Likewise.
6166 (cpp_warning_with_line): Likewise.
6167 (cpp_pedwarn_with_line): Likewise.
6168 (cpp_pedwarn_with_file_and_line): Likewise.
6170 * cpplib.h: Don't define PARAMS() macro.
6172 * demangle.h: Likewise.
6174 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
6175 when deciding whether to use ANSI variable args.
6177 * emit-rtl.c (gen_rtx): Likewise.
6178 (gen_rtvec): Likewise.
6180 * final.c (asm_fprintf): Likewise.
6182 * fix-header.c (cpp_message): Likewise.
6184 (cpp_fatal): Likewise.
6186 * gcc.c (concat): Likewise.
6190 * genattr.c (fatal): Likewise.
6192 * genattrtab.c (attr_rtx): Likewise.
6193 (attr_printf): Likewise.
6196 * gencodes.c (fatal): Likewise.
6198 * genconfig.c (fatal): Likewise.
6200 * genemit.c (fatal): Likewise.
6202 * genextract.c (fatal): Likewise.
6204 * genflags.c (fatal): Likewise.
6206 * genopinit.c (fatal): Likewise.
6208 * genoutput.c (fatal): Likewise.
6211 * genpeep.c (fatal): Likewise.
6213 * genrecog.c (fatal): Likewise.
6215 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
6216 deciding whether to declare `tree_node' and `rtx_def'.
6218 * hash.h: Don't define stuff we get from gansidecl.h.
6220 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
6221 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6222 whether to use ANSI variable args.
6225 * prefix.c (concat): Likewise.
6229 * system.h: Likewise.
6231 * toplev.c (error_with_file_and_line): Likewise.
6232 (error_with_decl): Likewise.
6233 (error_for_asm): Likewise.
6236 (warning_with_file_and_line): Likewise.
6237 (warning_with_decl): Likewise.
6238 (warning_for_asm): Likewise.
6239 (warning): Likewise.
6240 (pedwarn): Likewise.
6241 (pedwarn_with_decl): Likewise.
6242 (pedwarn_with_file_and_line): Likewise.
6244 (really_sorry): Likewise.
6246 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
6247 whether to declare `tree_node' and `rtx_def'.
6249 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
6250 deciding whether to use ANSI variable args.
6251 (build_nt): Likewise.
6252 (build_parse_node): Likewise.
6254 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
6256 * version.c: Bump for snapshot.
6258 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6260 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
6262 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6264 * collect2.c (main, case 'b'): Use else if.
6266 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6268 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
6269 Arrange to include gansidecl.h in {ht}config.h & tm.h just
6270 before the config/ directory headers.
6271 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
6272 gansidecl.h in the list of dependencies.
6274 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
6275 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
6276 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
6277 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
6278 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
6279 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
6282 * cccp.c: Don't include gansidecl.h.
6284 * collect2.c: Likewise.
6285 * config/c4x/c4x.c: Likewise.
6286 * config/v850/v850.h: Likewise.
6287 * cppalloc.c: Likewise.
6288 * cpperror.c: Likewise.
6289 * cppexp.c: Likewise.
6290 * cppfiles.c: Likewise.
6291 * cpphash.c: Likewise.
6292 * cpplib.c: Likewise.
6293 * cppmain.c: Likewise.
6294 * cppulp.c: Likewise.
6295 * demangle.h: Likewise.
6296 * doprint.c: Likewise.
6297 * dyn-string.c: Likewise.
6298 * eh-common.h: Likewise.
6299 * fix-header.c: Likewise.
6300 * frame.c: Likewise.
6303 * gen-protos.c: Likewise.
6304 * gencheck.c: Likewise.
6305 * halfpic.h: Likewise.
6307 * machmode.h: Likewise.
6308 * mbchar.c: Likewise.
6309 * prefix.c: Likewise.
6310 * protoize.c: Likewise.
6311 * recog.h: Likewise.
6313 * scan-decls.c: Likewise.
6315 * varray.h: Likewise.
6317 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
6319 * i386.md (call_value_pop): If we're not popping anything,
6320 defer to call_value.
6321 (call_pop): Likewise defer to call.
6323 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
6325 * function.c (purge_addressof): Clear purge_addressof_replacements
6326 only after processing the whole function.
6328 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
6330 * reload1.c (reload): If we can not perform a particular elimination
6331 when we thought we could earlier, then we must always iterate through
6332 the loop at least one more time.
6334 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
6336 * alpha.c (add_operand): Simplify the CONST_INT match.
6337 (sext_add_operand): Correct typo in comparison by using
6338 CONST_OK_FOR_LETTER_P.
6339 * alpha.md (s?addq): Use sext_add_operand to allow the negative
6340 constant alternatives to be generated.
6341 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
6342 small constants, since the hw instructions do.
6344 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6346 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
6347 previous insn to store directly into our reload register, make sure
6348 that if the source of the previous insn is a reload register, its
6349 spill_reg_store and spill_reg_stored_to values are cleared.
6351 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
6353 * rs6000.md (floatunssidf2_internal splitter): Use base register
6354 operand, not hard-coded SP.
6356 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6358 * jump.c (calculate_can_reach_end): Fix thinko.
6360 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
6362 * reorg.c (fill_simple_delay_slots): Fix typo.
6364 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
6366 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
6368 * i386.md (extendsidi2): Use # in the output template.
6369 (extendsidi splitters): New splitters.
6371 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
6373 * configure.in: Use unknown-elf.h as tm_file for arm-elf
6375 * configure: Regenerate.
6377 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6379 * jump.c (init_label_info, delete_barrier_successors,
6380 mark_all_labels, delete_unreferenced_labels,
6381 delete_noop_moves, calculate_can_reach_end): New functions broken
6382 out of jump_optimize.
6383 (jump_optimize): Use them.
6385 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6387 * except.c (expand_fixup_region_end): Make sure outer context labels
6388 are not issued in an inner context during cleanups.
6390 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
6392 * alpha.md (addsi3, subsi3): No new temporaries once cse is
6395 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
6397 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
6398 to expose this midpoint to CSE.
6400 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6402 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
6404 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6406 * configure.in: Bring over gcc2 change of Nov 19 1997.
6408 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
6410 * toplev.c (output_lang_identify): Make definition dependent on
6411 ASM_IDENTIFY_LANGUAGE.
6413 * print-rtl.c (spaces): Make static.
6415 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
6417 * extend.texi: Clarify proper uses for register clobbers in asms.
6419 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6421 * recog.h (enum op_type): Define.
6422 (constrain_operands): Adjust prototype.
6423 (recog_op_type): Declare new variable.
6424 * recog.c (recog_op_type): New variable.
6425 (insn_invalid_p): Allow modifying an asm statement after reload.
6426 (extract_insn): Set up recog_op_type.
6427 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
6428 Don't compute operand types, use recog_op_type.
6429 Use the information computed by extract_insn instead of the previous
6430 method of finding it by insn code number.
6431 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
6432 * reorg.c (fill_slots_from_thread): Likewise.
6433 * reload1.c (reload_as_needed): Likewise.
6434 (gen_reload): Likewise.
6435 (inc_for_reload): Likewise.
6436 (reload_cse_simplify_operands): Likewise.
6437 Use the information computed by extract_insn instead of the previous
6438 method of finding it by insn code number.
6439 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
6441 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
6442 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
6443 Use the information computed by extract_insn instead of the previous
6444 method of finding it by insn code number.
6445 * regmove.c (find_matches): Likewise. Change meaning of the return
6446 value to be nonzero if the optimization can be performed, zero if
6447 not. All callers changed.
6448 Shorten some variable names to fix formatting problems.
6449 (regmove_optimize): Shorten some variable names to fix formatting
6451 Use the information computed by extract_insn instead of the previous
6452 method of finding it by insn code number.
6453 * regclass.c (scan_one_insn): Likewise.
6454 (record_reg_classes): Don't compute operand types, use recog_op_type.
6455 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
6456 recog_constraints instead.
6458 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
6460 * rtl.h (flow2_completed): Declare.
6461 * flow.c (flow2_completed): Definition.
6462 * toplev.c (rest_of_compilation): Set and clear flow2_completed
6465 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
6467 * Makefile.in (libcpp.a): Ranlib libcpp.a
6469 * cppulp.c (user_label_prefix): Initialize.
6471 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
6473 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
6474 at a RETURN if current_function_sp_is_unchanging is set.
6476 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6478 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
6480 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
6482 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
6483 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
6484 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
6485 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
6486 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
6487 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
6489 (LIB_SPEC): Handle -mno-cyginw option.
6490 (LINK_SPEC): Handle -mdll.
6492 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6494 * reload.c (find_reloads): Fix test for usage by other reload
6495 to handle secondary reloads properly.
6497 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6499 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
6500 intermediate structure which has exactly the members provided by
6501 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
6502 static intermediate structure.
6504 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
6505 from the intermediate structure. Do the same analogous fix in
6506 the case where ELIMINABLE_REGS is not defined.
6508 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
6510 * pa.h (SELECT_SECTION): Fix thinko.
6512 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
6514 * dwarf2out.c (output_call_frame_info): Comments on last change.
6516 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
6518 * arm.c (add_constant): When taking the address of an item in the
6519 pool, get the mode of the item addressed.
6521 * arm.c (final_prescan_insn case INSN): If an insn doesn't
6522 contain a SET or a PARALLEL, don't consider it for conditional
6525 Restore ABI compatibility for NetBSD.
6526 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
6528 (RETURN_IN_MEMORY): Likewise.
6530 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
6532 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
6533 (m32r_output_block_move): Rewrite bytes < 4 handling.
6535 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6537 * configure.in: Call AC_FUNC_VFORK.
6539 * collect2.c: Define VFORK_STRING as a printable string for
6540 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6541 defined, include vfork.h. If VMS is defined, define vfork()
6542 appropriately. Remove vfork check on USG, we're using autoconf.
6543 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6544 checking locally what string to pass.
6545 (scan_prog_file): Likewise.
6546 (scan_libraries): Likewise.
6548 * gcc.c: Remove vfork check on USG, we're using autoconf.
6549 Besides, no calls to vfork/fork occur in this file.
6551 * protoize.c: Likewise.
6553 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6555 * configure.in (DEFAULT_LINKER): renamed from LD
6556 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6557 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6558 * configure: rebuilt
6560 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6562 * BUGS: fix the regexp for `more' to find the appropriate node.
6563 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6565 * BUGS: added link to the WWW FAQ
6567 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
6569 * version.c: Bump for snapshot.
6571 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
6573 * From Christian Gafton:
6574 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
6575 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
6576 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
6578 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
6580 * c-common.c (c_get_alias_set): Allow all type-punning through
6581 unions. Don't get confused about the type of a bit-field, despite
6582 the antics of build_modify_expr.
6584 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
6586 * fixinc.sco: Paramaterize #include_next values.
6587 * fixinc/fixinc.sco: Likewise.
6589 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
6591 * toplev.c (rest_of_compilation): No longer set reload_completed.
6592 * reload1.c (reload): Set it here. Perform instruction splitting
6593 after reload has completed if we will be running the scheduler
6596 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
6598 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
6599 EH region if exceptions are enabled and we're performing cross
6601 (find_cross_jump): Exit loop if the insns are in different EH regions.
6603 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
6605 * dwarf2out.c (output_call_frame_info): Use
6606 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
6608 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6610 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
6611 * c-common.c (check_format_info): Don't check for the 'x'
6612 format character twice, instead check for 'x' and 'X'
6614 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
6616 * configure.in (assembler features): Also make gas is configured if
6617 we find it in the souce tree.
6619 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
6621 * i386.c (i386_comp_type_attributes): Compare whether the
6622 attributes are defined, not their tree nodes.
6624 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6626 * configure.in (gxx_include_dir): bitten by autoconf quoting
6628 * configure: rebuilt
6630 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6632 * configure.in: Ignore non-absolute value in $AS.
6634 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
6636 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
6638 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
6640 * configure.in (msdosdjgpp): Set exeext and target_alias.
6642 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6644 * flow.c (XNMALLOC): New macro.
6645 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
6647 (add_edge, add_edge_to_label): New static functions.
6648 (free_bb_memory): New function.
6649 (flow_delete_insn): Delete function.
6650 (basic_block_drops_in): Delete variable.
6651 (find_basic_blocks): Allocate and initialize basic_block_head,
6652 basic_block_succ. Don't allocate basic_block_drops_in.
6653 Call free_bb_memory at the beginning.
6654 (find_basic_blocks_1): Don't do multiple passes.
6655 Delete code to compute basic_block_drops_in.
6656 After calling make_edges, mark blocks reached by current block live.
6657 Update test for unreachable live blocks.
6658 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
6660 Simplify to call add_edge_to_label when a LABEL_REF is found.
6661 (make_edges): Simplify to call add_edge_to_label instead of
6662 mark_label_ref most of the time.
6663 Compute here whether control drops into the next block.
6664 (delete_unreachable_blocks): Return void. All callers changed.
6665 Delete unreachable blocks in reverse order.
6666 After deleting all unreachable blocks, renumber the remaining ones
6667 and update n_basic_blocks.
6668 (delete_block): Speed up deletion a bit.
6669 Don't set basic_block_drops_in for deleted blocks.
6670 (free_basic_block_vars): Don't free basic_block_drops_in.
6671 (life_analysis_1): Update to use new edge representation.
6672 (dump_flow_info): Delete code to print basic block info; call
6673 dump_bb_data instead.
6674 (compute_preds_succs): Delete code to recompute basic_block_drops_in
6675 and uid_block_number.
6676 Simply copy the previously computed cfg.
6677 (dump_bb_data): New arg LIVE_INFO. All callers changed.
6678 Print register lifetime information if LIVE_INFO is nonzero.
6679 * basic-block.h (dump_bb_data): Adjust prototype.
6680 * gcse.c (gcse_main): Update call to dump_bb_data.
6681 * rtl.h (free_bb_memory): Declare.
6682 * toplev.c (rest_of_compilation): Call free_bb_memory.
6684 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
6685 (update_eliminable_offsets): Don't compute it.
6686 (set_initial_elim_offsets): Don't initialize it.
6687 Break out some code into set_initial_label_offsets so the rest of
6688 this function can be called from reload_as_needed.
6689 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
6690 ELIMINABLE_REGS isn't.
6691 (set_initial_label_offsets): New function, broken out of
6692 set_initial_elim_offsets.
6693 (set_offsets_for_label): New function, broken out of set_label_offsets
6694 and reload_as_needed.
6695 (reload): Call the two new functions.
6696 (reload_as_needed): Call set_initial_elim_offsets instead of
6697 duplicating the code. Likewise for set_offsets_for_label.
6699 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
6700 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
6701 any hard reg, reg_reloaded_dead contains valid data.
6703 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
6705 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
6706 "stdcall" and "cdecl" attributes.
6708 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
6710 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
6711 handle deleted no-op moves of hard registers.
6712 * haifa-sched.c (update_flow_info): Likewise.
6714 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
6716 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
6717 of the sequences to reload the HILO register which do not actually
6720 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
6722 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
6724 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6726 * except.c (emit_eh_context): Make the EH context register stay alive
6727 at -O0 so stupid.c doesn't get confused.
6729 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6731 * emit-rtl.c (try_split): Do not try to split a BARRIER.
6733 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
6734 Jeffrey A Law (law@cygnus.com)
6736 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
6737 (zero_extendsidi2): Use # in output template and handle completely by
6739 (zero_extend splitters): New define_splits.
6740 (ashiftrt_32): New pattern.
6742 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
6744 * tree.c (append_random_chars): New fn.
6745 (get_file_function_name_long): Use it.
6747 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
6749 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
6750 (LIBCPP_OBJS): New. Add cppulp.o.
6751 (cppmain, fix-header): Depend on and use libcpp.a.
6752 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
6753 of the individual object files.
6754 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
6757 * cccp.c (user_label_prefix): New.
6758 (main): Set it off -f*leading-underscore.
6759 (special_symbol): Use it.
6760 * cpplib.c (special_symbol): Likewise.
6761 (cpp_handle_option): Handle -f*leading-underscore.
6762 * cppulp.c: New file.
6764 * output.h (user_label_prefix): Declare it.
6765 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
6766 * toplev.c (f_options, main): Handle -f*leading-underscore.
6768 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
6769 referencing USER_LABEL_PREFIX directly.
6770 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
6771 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
6772 * final.c (asm_fprintf): Use user_label_prefix instead.
6773 * arm/thumb.c (thumb_print_operand): Likewise.
6775 * gcc.c (default_compilers): Pass -f*leading-underscore on to
6776 cpp wherever appropriate.
6778 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
6780 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
6781 specific compiler switches.
6783 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
6785 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
6788 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6790 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
6791 structure which has exactly the members provided by EXTRA_SPECS.
6792 Xmalloc() the real `extra_specs', and initialize it from this
6793 intermediate structure.
6795 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
6797 * mips.h (EXTRA_SPECS): Likewise.
6799 * sparc.h (EXTRA_SPECS): Likewise.
6801 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6803 * function.c (purge_addressof_1): Instead of aborting when a
6804 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
6805 work just put the ADDRESSOF on stack. Otherwise remember all such
6806 successfull replacements, so that exactly the same replacements
6807 can be made on the REG_NOTEs. Remove the special case for CALL
6809 (purge_addressof_replacements): New variable.
6810 (purge_addressof): Clear it at end.
6812 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6814 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
6815 (lang_init): Call check_newline always.
6816 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
6817 cpp_start_read, set yy_cur and yy_lim to read from
6818 parse_in.token_buffer, so that we'll see the first #line
6820 * cpplib.c (cpp_start_read): finclude the main input file
6821 before processing -include/-imacros. Process -imacros and
6822 -include separately, and handle -include by stacking a
6823 buffer for the file in question as if it'd been #included.
6824 * toplev.c (documented_lang_options) Recognize -H when
6827 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6829 * cpplib.c: Merge do_once into do_pragma. Break file handling
6830 code out of do_include.
6831 Move append_include_chain, deps_output,
6832 file_cleanup, redundant_include_p, import_hash,
6833 lookup_import, add_import, read_filename_string, read_name_map,
6834 open_include_file, finclude, safe_read to cppfiles.c.
6835 Move prototypes for deps_output, append_include_chain,
6836 finclude to cpplib.h. Move definition of struct
6837 file_name_list there also.
6839 * cppfiles.c: New file. Contains all the above functions
6840 broken out of cpplib.c; also hack_vms_include_specification
6841 from cccp.c and find_include_file, a new function broken out of
6844 * Makefile.in (cppmain): Depend on cppfiles.o.
6845 (fix-header): Likewise.
6846 (cppfiles.o): New target.
6847 * configure.in (--enable-c-cpplib): Add cppfiles.o to
6848 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
6850 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
6852 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
6853 if pending_types is non-zero.
6854 (dwarfout_finish): Verify pending_types is zero before finishing.
6856 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
6858 * expr.c (convert_move): Use shifts to perform the move if a
6859 suitable extend pattern cannot be found. Code written by
6860 Richard Henderson <rth@cygnus.com>.
6862 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6864 * regclass.c (renumber, regno_allocated): New static variables, moved
6865 out of allocate_reg_info.
6866 (allocate_reg_info): Move these two variables outside the function.
6867 Move code to free memory into new function free_reg_info.
6868 (free_reg_info): New function, broken out of allocate_reg_info.
6869 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
6870 * rtl.h (allocate_reg_info): Don't declare.
6871 (free_reg_info): Declare.
6873 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
6875 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
6877 * toplev.c (compile_file): Temporarily revert last change.
6879 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
6881 * c-typeck.c (convert_for_assignment): Parenthesize.
6883 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6885 * reload1.c (delete_output_reload): Avoid ambigous else.
6887 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
6889 * toplev.c (compile_file): Call allocate_reg_info to free register
6891 * rtl.h (allocate_reg_info): Declare.
6893 * PROJECTS: Remove entry for local spilling.
6895 * final.c (cleanup_subreg_operands): New function.
6896 (final_scan_insn): Use it.
6897 (alter_subreg): Clear the "used" field when we turn a SUBREG into
6899 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
6900 operands when reload has finished.
6901 * reload.h (cleanup_subreg_operands): Declare..
6902 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
6903 reload. Handled in reload itself.
6905 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6907 * reload1.c (verify_initial_offsets): New function.
6908 (reload): Call it after reload_as_needed. Also verify that the frame
6909 size stays constant during reload_as_needed.
6910 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
6912 * reload.h (struct insn_chain): Add need_operand_change element.
6913 * reload1.c (new_insn_chain): Clear it.
6914 (calculate_needs_all_insns): Set it; don't overload need_reload.
6915 (reload_as_needed): Use it.
6917 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
6918 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
6919 and reload_address_index_reg_class.
6920 (find_reloads_address_1): Likewise.
6921 * reload.h (reload_address_base_reg_class,
6922 reload_address_index_reg_class): Don't declare.
6923 * reload1.c (reg_old_renumber, pseudo_previous_regs,
6924 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
6925 (used_spill_regs): Now static.
6926 (reload_address_base_reg_class, reload_address_index_reg_class,
6927 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
6928 basic_block_needs, max_needs, group_size, group_mode, max_groups,
6929 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
6932 (init_reload): Delete code to compute base/index reg classes.
6933 (reload): Delete variable J.
6934 Delete code to manage basic_block_needs.
6935 Don't compute regs_explicitly_used.
6936 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
6937 pseudo_previous_regs.
6938 Initialize bad_spill_regs_global.
6939 Don't call order_regs_for_reload here.
6940 Don't initialize spill_reg_order and n_spills.
6941 Don't forbid explicitly used regs to be used for spill regs.
6942 Change main loop to infinite loop, with explicit break statements.
6943 Make SOMETHING_CHANGED variable local to that loop.
6944 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
6945 max_groups_insn, max_nongroups_insn, group_size, group_mode.
6946 Make sure spilled_speudos is cleared before calling spill_hard_reg or
6948 Don't call dump_needs.
6949 Delete code to reset potential_reload_regs.
6950 Delete code to terminate loop conditional on the global needs variables
6951 showing no further needs.
6952 (calculate_needs_all_insns): Return void. All callers changed.
6953 Initialize somehing_needs_elimination here, not in reload.
6954 Delete avoid_return_reg kludge.
6955 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
6956 All callers changed.
6957 Initialize the group_mode and group_size elements of the arg CHAIN.
6958 Delete code to manage basic_block_needs.
6959 Operate on elements of CHAIN instead of global variables.
6960 Delete avoid_return_reg kludge.
6961 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
6962 All callers changed.
6963 Operate on elements of CHAIN instead of global variables.
6964 Delete special SMALL_REGISTER_CLASSES code.
6965 Delete spill_failure code; now in new_spill_reg.
6966 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
6967 All callers changed.
6968 Operate on elements of CHAIN instead of global variables.
6969 (maybe_mark_pseudo_spilled): New static function.
6970 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
6971 All callers changed.
6972 Operate on elements of CHAIN instead of global variables.
6973 Call order_regs_for_reload here, not in reload.
6974 Initialize spill_reg_order and n_spills.
6975 Simplify test whether an asm insn is involved.
6976 Delete spill_failure code; now in new_spill_reg.
6977 Call maybe_mark_pseudo_spilled for everything marked as live in
6978 CHAIN. Merge CHAIN's used_spill_regs into the global variable
6980 (dump_needs): Take CHAIN arg. No longer static, to prevent the
6981 compiler from optimizing this function (now unused) away.
6982 Operate on elements of CHAIN instead of global variables.
6983 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
6985 Operate on elements of CHAIN instead of global variables.
6986 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
6987 take CHAIN arg. All callers changed.
6988 Operate on elements of CHAIN instead of global variables.
6989 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
6990 CHAIN, NONGROUP args. Return void. All callers changed.
6991 Verify caller isn't trying to spill a pseudo.
6992 Simplify test for illegal reg, just use bad_spill_regs.
6993 Generate better error messages.
6994 Operate on elements of CHAIN instead of global variables.
6995 Mark spilled register in CHAIN's used_spill_regs element.
6996 Don't call spill_hard_reg.
6997 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
6998 Mark spilled hard regs in bad_spill_regs_global.
6999 Mark affected pseudos in spilled_pseudos, but don't spill them.
7000 (ior_hard_reg_set): New static function.
7001 (finish_spills): Return int. All callers changed.
7002 Compute spill_reg_order, n_spills and spill_regs here. Also update
7003 regs_ever_live for regs used as spills.
7004 For every pseudo in spilled_pseudos, spill it and mark the previous
7005 hard reg it had in pseudo_previous_regs. Compute which hard regs
7006 arseudo): New static function.
7007 (order_regs_for_reload): Take CHAIN arg. All callers changed.
7008 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
7009 hard registers explicitly used across the current insn into the set.
7010 Compute hard_reg_n_uses taking only pseudos live across this insn
7012 Tweak sorting of potential_reload_regs.
7013 (compare_spill_regs): Delete function.
7014 (reload_as_needed): Don't sort the spill_regs array, it's computed
7015 in proper order in finish_spills.
7016 Delete avoid_return_reg kludge.
7017 Delete code to manage basic_block_needs.
7018 (allocate_reload_reg): Minor speed/readability tweaks.
7019 Operate on elements of CHAIN instead of global variables.
7020 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
7021 Delete avoid_return_reg kludge.
7022 Initialize reload_reg_used from CHAIN's used_spill_regs element.
7023 Delete unused label FAIL.
7024 (reload_combine): Replce reload_address_index_reg_class with
7026 Don't use used_spill_regs to determine information about lifetime of
7029 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
7031 * toplev.c (display_help): Ignore empty target specific
7032 options, and if -W is also specified on the command line then
7033 display undocumented options.
7035 * config/arm/arm.c: Updated with changes in devo sources.
7036 * config/arm/arm.h: Updated with changes in devo sources.
7037 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
7038 * config/arm/lib1thumb.asm: Add ELF support.
7040 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
7042 * collect2.c (aix64_flag): New variable.
7043 (main, case 'b'): Parse it.
7044 (GCC_CHECK_HDR): object magic number must match mode.
7045 (scan_prog_file): Only check for shared object if valid header.
7046 Print debugging if header/mode mismatch.
7048 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
7050 Added support for arm-elf-linux configuration, submitted by Philip
7051 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
7052 code developed by Catherine Moore <clm@cygnus.com>. The following
7055 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
7058 * configure: Regenerated.
7060 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
7061 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
7062 definitions conditional on their not having been already defined.
7064 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
7065 and .type directives, and add "(PLT)" qualification to function
7068 * config/arm/linux.h: Deleted. This file is now superceeded by
7069 either linux-elf.h or linux-aout.h.
7071 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
7072 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
7074 Move definitions from old linux.h file here.
7076 * config/arm/elf.h: New file. Generic ARM/ELF support.
7078 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
7080 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
7082 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
7083 using the 26bit APCS.
7085 * config/arm/unknown-elf.h: New file. Support for OS'es other
7086 than Linux with ELF.
7088 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
7091 * config/arm/coff.h: Include aout.h for basic assembler macros.
7092 Add support for -mstructure_size_boundary=<n> command line option.
7094 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
7095 command line option. Make macro definitions conditional on their
7096 not having been already defined.
7098 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
7099 command line option.
7102 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
7104 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
7105 has been changed to not include a newline. Use this macro instead.
7106 (output_enumeral_list, const_value_attribute, name_attribute,
7107 comp_dir_attribute, prototyped_attribute, producer_attribute,
7108 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
7109 dwarfout_file_scope_decl, generate_new_sfname_entry,
7110 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
7111 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
7113 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
7115 * combine.c (subst): Process the inputs to a parallel asm_operands
7118 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
7120 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
7122 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
7124 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
7126 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
7128 * version.c: Bump for snapshot.
7130 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7132 * stmt.c (expand_fixup): Set fixup->before_jump to a
7133 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
7135 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7137 * Makefile.in (recog.o): Depend on toplev.h.
7138 (insn-emit.o): Depend on recog.h.
7139 (insn-peep.o): Depend on recog.h and insn-config.h.
7141 * combine.c (simplify_set): Remove unused variable `scratches'.
7143 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
7144 and `idx' in macro conditional controlling their use.
7146 * genemit.c (main): Make the generated output file include
7147 recog.h. Don't have it declare `insn_operand_constraint', since
7148 we get it from recog.h.
7150 * genpeep.c (main): Make the generated output file include
7151 insn-config.h and recog.h.
7153 * recog.c: Include toplev.h.
7154 (extract_insn): Remove unused variable `p'.
7156 * regclass.c (fix_register): Add missing braces around initializer
7158 (allocate_reg_info): Move variable `i' into the scope where it is
7159 used. Change its type to `size_t'.
7161 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7163 * reload.c (push_reload): When merging reloads, make sure
7164 that reload_in_reg and reload_in are from the same reload in
7167 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
7169 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
7170 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
7172 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
7174 * loop.c (loop_has_tablejump): New variable.
7175 (prescan_loop): Scan for it.
7176 (insert_bct): Replace explicit scan with use of it.
7177 * regclass.c (regclass): Restore loop variable j.
7178 (record_reg_classes): Deterine op_types modifiers and initialize
7179 classes[i] before matching constraints. Handle matching
7182 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
7184 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
7187 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7189 * mips.h (EXTRA_SPECS): Add missing initializers.
7191 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7193 * sparc.h (EXTRA_SPECS): Add missing initializers.
7194 (sparc_defer_case_vector): Provide a prototype.
7196 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
7197 comparing it to the result of a pointer subtraction.
7199 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7201 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
7202 the argument to (unsigned char).
7204 * alpha.h (EXTRA_SPECS): Add missing initializers.
7205 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
7208 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
7210 * flow.c (life_analysis_1): Enable "rescan" code after reload.
7211 (propagate_block): Delete dead code after reload.
7213 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
7214 back Oct 15, 1998 change.
7215 * haifa-sched.c (update_flow_info): Likewise.
7216 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
7218 * mn10200.md (truncated shift): Accept constant inputs too.
7220 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
7222 * machmode.h (mode_mask_array): No longer const.
7223 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
7225 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7227 * frame.c: Somewhat explain `FDE'.
7228 Suggested by Brendan Kehoe
7230 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7232 * expr.c (pending_chain): Move up.
7233 (save_expr_status): Do save pending_chain.
7234 (restore_expr_status): And restore it.
7235 * function.h (struct function): Add pending_chain.
7237 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7239 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
7240 did not match the code.
7242 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7244 * regclass.c (regclass): Break out some code into new function
7245 scan_one_insn, and into regclass_init.
7246 (init_cost): New static variable, moved out of regclass.
7247 (regclass_init): Initialize it here, not in .
7248 (scan_one_insn): New static function, broken out of regclass.
7249 * recog.c (apply_change_group): Break out some code into new
7250 function insn_invalid_p.
7251 (insn_invalid_p): New static fn, broken out of apply_change_group.
7253 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
7255 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
7256 reg_reloaded_contents matches incremented pseudo.
7258 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
7260 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7262 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
7263 addressing modes with side effects. These are currently
7264 placeholders for the C4x target.
7266 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7268 * loop.c (express_from): Make sure that when generating a PLUS of
7269 a PLUS, any constant expression appears on the outermost PLUS.
7271 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
7273 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
7274 works if "$(srcdir)" != ".".
7276 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
7278 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
7279 existing SUBREG if we can, otherwise abort.
7281 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
7283 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
7284 `restrict' is applied to a non-pointer variable.
7286 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
7288 * invoke.texi: Document -flang-isoc9x.
7290 * Makefile.in (OBJS): Add splay-tree.o.
7291 (c-common.o): Depend on rtl.h.
7292 (splay-tree.o): List dependencies and provide build rule.
7294 * rtl.h (record_alias_subset): New function.
7295 * alias.c: Include splay-tree.h.
7296 (alias_set_entry): New type.
7297 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
7298 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
7299 (mems_in_disjoin_alias_sets_p): New function.
7300 (alias_set_compare): Likewise.
7301 (insert_subset_children): Likewise.
7302 (get_alias_set_entry): Likewise.
7304 * tree.h (TYPE_RESTRICT): New macro.
7305 (TYPE_UNQUALIFIED): New manifest constant.
7306 (TYPE_QUAL_CONST): Likewise
7307 (TYPE_QUAL_VOLATILE): Likewise.
7308 (TYPE_QUAL_RESTRICT): Likewise.
7309 (tree_type): Add restrict_flag. Reduce count of free bits.
7310 (DECL_POINTER_ALIAS_SET): New macro.
7311 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
7312 (tree_decl): Add pointer_alias_set.
7313 (build_qualified_type): New function.
7314 (build_type_variant): Define in terms of build_qualified_type.
7315 * tree.c (set_type_quals): New function.
7316 (make_node): Initializae DECL_POINTER_ALIAS_SET.
7317 (build_type_attribute_variant): Use build_qualified_type and
7319 (build_type_variant): Rename, and modify, to become...
7320 (build_qualified_type): New function.
7321 (build_complex_type): Use set_type_quals.
7323 * c-tree.h (C_TYPE_OBJECT_P): New macro.
7324 (C_TYPE_FUNCTION_P): Likewise.
7325 (C_TYPE_INCOMPLETE_P): Likewise.
7326 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
7327 (c_apply_type_quals_to_decl): New function.
7328 (c_build_qualified_type): New function.
7329 (c_build_type_variant): Define in terms of c_build_qualified_type.
7330 (flag_isoc9x): Declare.
7331 * c-typeck.c (qualify_type): Use c_build_qualified_type.
7332 (common_type): Change to use TYPE_QUALS.
7333 (comptypes): Likewise.
7334 (convert_for_assignment): Likewise.
7335 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
7336 * c-decl.c (flag_isoc9x): Define.
7337 (c_decode_option): Handle -flang-isoc9x.
7338 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
7339 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
7340 * c-lex.c (init_lex): Deal with restrict.
7341 (init_lex): Don't treat restrict as a reserved word in
7342 -traditional mode, or without -flang-isoc9x.
7343 * c-lex.h (rid): Add RID_RESTRICT.
7344 * c-parse.gperf (restrict, __restrict, __restrict__): Make
7345 equivalent to RID_RESTRICT.
7346 * c-parse.in (TYPE_QUAL): Update comment.
7347 * c-common.c: Include rtl.h.
7348 (c_find_base_decl): New function.
7349 (c_build_type_variant): Rename, and modify, to become ...
7350 (c_build_qualified_type): New function.
7351 (c_apply_type_quals_to_decl): Likewise.
7352 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
7353 a particular alias set for the reference.
7354 * toplev.c (documented_lang_options): Add -flang-isoc9x.
7356 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
7358 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
7359 command line switches.
7361 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
7363 * reload.c (loc_mentioned_in_p): Add missing braces to bind
7366 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
7368 * gcc.c (option_map): Added --classpath and --CLASSPATH.
7370 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
7372 * regclass.c (fix_register): Add error message.
7373 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
7376 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7378 * c-decl.c (warn_missing_noreturn): New global variable.
7379 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
7380 (finish_function): Implement missing noreturn warning.
7382 * c-tree.h (warn_missing_noreturn): Declare extern.
7384 * invoke.texi: Document new flags.
7386 * toplev.c (documented_lang_options): Add description.
7388 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7390 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
7391 loop optimization stable for the C4x.
7392 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
7393 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
7394 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
7396 (c4x_address_conflict): Be more paranoid when packing a volatile
7397 memref in a parallel load/store.
7399 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7401 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
7402 repeat_block_filler): Deleted.
7403 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
7404 Condition code not set if destination register from 'c' class.
7405 (*subbqi3_carry_clobber): Fix typo.
7407 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7409 * reorg.c (steal_delay_list_from_target) Check for insns that
7410 modify the condition codes and effect the direction of the jump
7413 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7415 * function.c (purge_addressof_1): Replace call to
7416 emit_insns_before() with emit_insn_before().
7418 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
7420 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
7422 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7424 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
7426 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7428 * gcse.c (compute_hash_table): Correctly identify hard regs which are
7429 clobbered across calls.
7431 * loop.c (scan_loop): Be more selective about what invariants are
7432 moved out of a loop.
7434 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
7436 * version.c: Bump for snapshot.
7438 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
7440 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
7441 static eh_context structure.
7443 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7445 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
7447 (try_combine): Don't update max_scratch.
7448 * flow.c (max_scratch, num_scratch): Delete variables.
7449 (life_analysis_1): Don't initialize max_scratch.
7450 (propagate_block): Don't update max_scratch.
7451 (mark_set_1): Don't increment num_scratch.
7452 * regs.h (max_scratch): Delete declaration.
7454 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
7456 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
7457 is nonzero. This is temporary!
7459 * sched.c (update_flow_info): Handle death notes made invalid by
7460 instruction splitting. Partially reverts Oct 15, 1998 patch.
7461 * haifa-sched.c (update_flow_info): Likewise.
7463 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
7465 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
7466 if it has a nonzero DECL_INITIAL.
7468 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7470 * Makefile.in (flow.o): Depend on recog.h.
7472 * cpplib.h (directive_table): Add missing initializiers.
7473 (finclude): Change type of variable `bsize' to size_t.
7475 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
7477 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
7479 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
7480 `int' when comparing against one.
7481 (cpp_file_line_for_message): Mark parameter `pfile' with
7483 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
7485 * flow.c: Include recog.h.
7486 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
7488 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
7489 `f' with ATTRIBUTE_UNUSED.
7490 (reposition_prologue_and_epilogue_notes): Likewise.
7492 * genopinit.c (gen_insn): Cast argument of ctype functions to
7495 * haifa-sched.c: Include recog.h.
7496 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
7497 comparing against one.
7499 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
7501 * mips-tfile.c (parse_end): Cast the argument of ctype function to
7503 (parse_ent): Likewise.
7504 (parse_input): Likewise.
7506 * optabs.c (init_libfuncs): Likewise.
7508 * protoize.c (find_rightmost_formals_list): Likewise.
7510 * recog.h (const_double_operand): Fix typo in prototype.
7512 * tlink.c (scan_linker_output): Cast the argument of ctype
7513 function to `unsigned char'.
7515 * toplev.c (check_lang_option): Cast the result of `strlen' to
7516 `int' when comparing against one.
7518 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
7520 * gcse.c (dump_cuid_table): Correct typo.
7522 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
7524 * toplev.c (display_help): Prepend '-m' to target specific
7526 (check_lang_option): Ignore text after end of first word of a
7527 language specific option.
7529 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7531 * reload1.c (reg_used_by_pseudo): New static variable.
7532 (choose_reload_regs): Initialize it.
7533 Use it instead of testing spill_reg_order to determine whether a
7534 pseudo is live in a hard register across the current insn.
7535 Fix a typo in a reference to reload_reg_rtx.
7537 * flow.c (propagate_block): Replace code that computes and uses
7538 regs_sometimes_live with simpler code that just walks the set of
7539 currently live registers.
7541 * Makefile.in (insn-extract.o): Fix dependencies.
7542 * genextract.c (main): Generate includes for insn-config.h and
7544 Delete generation of declarations which are now in recog.h.
7545 * genrecog.c (main): Delete generation of definitions which are
7547 * local-alloc.c (block_alloc): Use extract_insn and the variables
7548 it sets up instead of looking up values by insn_code.
7549 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7550 recog_dup_num): Define here instead of generating the definition in
7552 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7553 recog_operand_mode, recog_constraints, recog_operand_address_p):
7555 (extract_insn): New function.
7556 * recog.h (extract_insn): Declare function.
7557 (which_alternative, recog_n_operands, recog_n_dups,
7558 recog_n_alternatives, recog_operand_mode, recog_constraints,
7559 recog_operand_address_p): Declare variables.
7560 * regclass.c (n_occurrences): New static function.
7561 * reload.c (n_occurrences): Delete function.
7562 (find_reloads): Use extract_insn.
7563 * reload.h (n_occurrences): Delete declaration.
7565 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
7567 * reload1.c (reload_as_needed): Fix test for when to call
7568 update_eliminable_offsets.
7570 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7572 Fix consistency problems with reg_equiv_{mem,address};
7573 Improve reload inheritance;
7575 * reload.c (reload_out_reg): New variable.
7576 (loc_mentioned_in_p, remove_address_replacements): New functions.
7577 (remove_replacements): Deleted.
7578 (push_reload): Set reload_out_reg[i].
7579 When merging, also set reload_{in,out}_reg[i], and remove
7580 duplicate address reloads.
7581 (combine_reloads): Copy reload_out_reg[i].
7582 (find_reloads): Do make_memloc substitution also when
7583 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7585 Include *recog_operand_loc in commutativity operand changes.
7586 Generate optional output reloads.
7587 Delete reference to n_memlocs. Don't set *recog_operand_loc before
7588 processing operands. Call make_memloc in reg_equiv_address code.
7589 Set *recog_operand_loc only after processing operands, and only
7590 if replace is true. Return a value.
7591 When changing address reload types for operands that didn't get
7592 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
7593 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
7594 Don't emit USEs for pseudo SUBREGs when not replacing.
7595 (find_reloads_address): Do make_memloc substitution also when
7596 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7598 (find_reloads_toplev): Likewise.
7599 Call make_memloc in reg_equiv_address code.
7600 (debug_reload_to_stream): Add code to output reload_out_reg.
7601 (make_memloc): Delete local variable i, ifdefed out code, and
7602 references to memlocs and n_memlocs.
7603 (memlocs, n_memlocs): Delete.
7604 (push_secondary_reload): Clear reload_out_reg.
7605 (find_reloads_address_1): Provide memrefloc argument to all calls
7606 to find_reloads_address.
7607 In AUTO_INC code, handle non-directly addressable equivalences properly.
7608 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
7609 (find_reloads): Add return type.
7610 (remove_address_replacements, deallocate_reload_reg): Declare.
7611 * reload1.c (num_not_at_initial_offset): No longer static.
7612 (delete_address_reloads, delete_address_reloads_1): Likewise.
7613 (deallocate_reload_reg): New function.
7614 (spill_reg_stored_to): New array.
7615 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
7616 (eliminate_regs_in_insn): Move assignments of previous_offset and
7617 max_offset fields, and recalculation of num_not_at_initial_offset
7618 into new static function:
7619 (update_eliminable_offsets) .
7620 (reload_as_needed): Call update_eliminable_offsetss after calling
7622 Call forget_old_reloads_1 with contents of reloaded auto_inc
7623 expressions if the actual addressing can't be changed to match the
7625 (choose_reload_regs): For inheritance, replace
7626 reload_reg_free_before_p test with reload_reg_used_at_all test, and
7627 remove stand-alone reload_reg_used_at_all test.
7628 Use reload_out_reg to determine which reload regs have output reloads.
7629 Treat reload_override_in more similar to inherited reloads.
7630 Handle (subreg (reg... for inheritance.
7631 For flag_expensive_optimizations, add an extra pass to remove
7632 unnecessary reloads from known working inheritance.
7633 Delete obsolete code for pseudos replaced with MEMs.
7634 Handle inheritance from auto_inc expressions.
7635 (emit_reload_insns): If reload_in is a MEM, set OLD to
7637 Don't reload directly from oldequiv; if it's a pseudo with a
7638 stack slot, use reload_in[j].
7639 Check that reload_in_reg[j] is a MEM before replacing reload_in
7640 from reg_reloaded_contents.
7641 Include non-spill registers in reload inheritance processing.
7642 Also try to use reload_out_reg to set spill_reg_store /
7643 reg_last_reload_reg.
7644 In code to set new_spill_reg_store, use single_set to find out if
7645 there is a single set.
7646 Add code that allows to delete optional output reloads.
7647 Add code to allow deletion of output reloads that use no spill reg.
7648 At the end, set reload_override_in to oldequiv.
7649 Also call delete_output_reload if reload_out_reg is equal to old
7651 Add code to call delete_output_reload for stores with no matching load.
7652 Set / use spill_reg_stored_to.
7653 Handle case where secondary output reload uses a temporary, but
7654 actual store isn't found.
7655 When looking for a store of a value not loaded in order to call
7656 delete_output_reload, count_occurences should return 0 for no
7657 loads; but discount inherited input reloadill_reg_stored_to.
7658 Do checks for extra uses of REG. Changed all
7660 Use delete_address_reloads.
7661 (reload): Take return value of find_reloads into account.
7662 If a no-op set needs more than one reload, delete it.
7663 (reload_reg_free_before_p): RELOAD_FOR_INPUT
7664 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
7665 for the same operand.
7666 (clear_reload_reg_in_use): Check for other reloads that keep a
7668 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
7669 RELOAD_FOR_OPADDR_ADDR.
7670 Take into account when an address address reload is only needed
7671 for the address reload we are considering.
7672 (count_occurrences): Use rtx_equal_p for MEMs.
7673 (inc_for_reload): Return instruction that stores into RELOADREG.
7674 New argument two, IN, and rtx. Changed all callers.
7675 (calculate_needs_all_insns, reload_as_needed):
7676 Don't clear after_call for a CLOBBER.
7677 Keep track of how many hard registers need to be copied from
7678 after_call, and don't clear after_call before we have seen
7679 that much copies, or we see a different instruction.
7681 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
7683 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
7684 after reload has completed.
7686 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
7688 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
7689 a macro name and the next token with a single blank if that whitespace
7690 is in a macro buffer and the next token is not '('.
7692 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
7694 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
7696 (skip_if_group): Ditto.
7697 (skip_to_end_of_comment): Ditto.
7699 (discard_comments): Ditto.
7700 (change_newlines): Ditto.
7702 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
7704 * c-lex.c (yylex): Fix unaligned access of wchar_t.
7706 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
7708 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
7709 (TARGET_OPTIONS): Add --help documentation.
7711 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7713 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
7715 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
7717 * fixinc/* Moved in from ../contrib directory in preparation
7718 for integrating it into the normal build process. In particular,
7719 fixinc/Makefile.in must be config-ed into the build directory
7720 as fixinc/Makefile. Proposed patches to ./Makefile.in and
7721 ./configure.in will be "in the mail" momentarily.
7723 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
7725 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
7726 accidently walk into the free list. Comment how that can happen.
7727 (invalidate): Fix indentation.
7729 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7730 Jeffrey A Law (law@cygnus.com)
7732 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
7733 reload. Never perform rescans of the insn chain after reload.
7734 (propagate_block): Do not delete insn or create new autoinc addressing
7737 * jump.c (jump_optimize): Unconditionally use the code that was
7738 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
7739 * reload1.c (reload): When reloading is finished, delete all
7740 REG_DEAD and REG_UNUSED notes.
7741 (emit_reload_insns): Delete all code that was conditional on
7742 PRESERVE_DEATH_INFO_REGNO_P.
7743 (no_longer_dead_regs): Delete variable.
7744 (reload_cse_delete_death_notes): Delete function.
7745 (reload_cse_no_longer_dead): Delete function.
7746 (reload_cse_regs_1): Delete all code to handle deletion of death
7748 (reload_cse_noop_set_p): Likewise.
7749 (reload_cse_simplify_set): Likewise.
7750 (reload_cse_simplify_operands): Likewise.
7751 (reload_cse_move2add): Likewise.
7752 * reorg.c (used_spill_regs): Delete declaration.
7753 (max_label_num_after_reload): Delete declaration.
7754 (find_dead_or_set_registers): Don't assume that spill regs are
7755 dead at a CODE_LABEL.
7756 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
7758 * sched.c (sched_analyze_insn): Likewise.
7759 (update_flow_info): Likewise.
7760 * haifa-sched.c (sched_analyze_insn): Likewise.
7761 (update_flow_info): Likewise.
7762 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
7763 * toplev.c (max_label_num_after_reload): Delete variable.
7764 (rest_of_compilation): Don't set max_label_num_after_reload.
7765 Call life_analysis after reload_cse_regs if optimizing.
7766 * config/gmicro/gmicro.h: Delete comment referring to
7767 PRESERVE_DEATH_INFO_REGNO_P.
7768 * config/i386/i386.h: Likewise.
7769 * config/m88k/m88k.h: Likewise.
7770 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
7771 * config/sh/sh.h: Likewise.
7773 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
7775 * loop.c (strength_reduce): Restore marking bct_p as
7777 * rs6000.c (optimization_options): Change #ifdef HAIFA to
7778 HAVE_decrement_and_branch_on_count.
7779 (small_data_operand): Remove TARGET_ELF condition for marking
7780 parameters ATTRIBUTE_UNUSED.
7782 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
7784 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
7785 (SELECT_SECTION): Resync with svr4.h.
7787 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
7789 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
7792 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
7794 * c-pragma.c (handle_pragma_token): Test for null tree before
7795 dereferencing TREE_CODE.
7797 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7799 * config/c4x/c4x.c: Convert to use GEN_INT.
7800 (c4x_parallel_process): Rework to handle new repeat loop structure.
7802 * config/c4x/c4x.md: Convert to use GEN_INT.
7803 (rptb_end): Convert to use GE test. Replace uses with clobbers.
7804 (decrement_and_branch_on_count): Likewise.
7806 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
7807 loop.c has the desired functionality.
7808 (rc_reg_operand): New prototype.
7810 * config/c4x/t-c4x: Can now build all front ends.
7812 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
7814 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
7816 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
7818 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
7819 * config/t-rtems: Do not install assert.h -- use newlib's.
7821 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7823 * combine.c (combine_instructions): When finished, call init_recog.
7824 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
7826 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
7828 * toplev.c: If flag_syntax_only, don't open or write assembler file.
7830 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7832 * cppalloc.c (memory_full): Mark function prototype with
7835 * demangle.h (collect_exit): Likewise.
7837 * fix-header.c (v_fatal, fatal): Likewise.
7839 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
7842 * gcov.c (print_usage): Likewise.
7844 * genattr.c (fatal, fancy_abort): Likewise.
7846 * genattrtab.c (fatal, fancy_abort): Likewise.
7848 * gencodes.c (fatal, fancy_abort): Likewise.
7850 * genconfig.c (fatal, fancy_abort): Likewise.
7852 * genemit.c (fatal, fancy_abort): Likewise.
7854 * genextract.c (fatal, fancy_abort): Likewise.
7856 * genflags.c (fatal, fancy_abort): Likewise.
7858 * genopinit.c (fatal, fancy_abort): Likewise.
7860 * genoutput.c (fatal, fancy_abort): Likewise.
7862 * genpeep.c (fatal, fancy_abort): Likewise.
7864 * genrecog.c (fatal, fancy_abort): Likewise.
7866 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
7867 __sjpopnthrow, __throw): Likewise.
7869 * objc/objc-act.c (objc_fatal): Likewise.
7871 * protoize.c (usage, aux_info_corrupted,
7872 declare_source_confusing): Likewise.
7874 * rtl.c (dump_and_abort): Likewise.
7876 * rtl.h (sets_cc0_p): Likewise.
7878 * toplev.c (float_signal, pipe_closed): Likewise.
7880 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7882 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
7883 when generating the decision tree for the general case.
7885 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
7886 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
7888 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7890 * Makefile.in (sched.o): Depend on recog.h.
7892 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
7893 (unsigned) when comparing against one.
7894 (find_base_value): Likewise.
7895 (record_base_value): Cast variable `regno' to (unsigned) when
7896 comparing against one. Cast the result of REGNO() macro to
7897 (unsigned) when comparing against one.
7898 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
7900 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
7901 variable where an unsigned index is needed.
7903 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
7904 before comparing against one.
7906 * collect2.c: Add prototypes for functions `error', `fatal' and
7907 `fatal_perror'. Make these functions take variable arguments
7908 instead of faking it with a fixed number of args.
7909 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
7912 * combine.c (can_combine_p): Mark parameter `pred' with
7914 (find_split_point): Cast variable `src' to (unsigned
7915 HOST_WIDE_INT) when comparing against one.
7916 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
7917 (simplify_logical): Likewise.
7918 (force_to_mode): Cast result of INTVAL() macro to (unsigned
7919 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
7920 HOST_WIDE_INT) in shift.
7921 (simplify_and_const_int): Cast result of INTVAL() macro to
7922 `unsigned HOST_WIDE_INT' when comparing against one.
7923 (merge_outer_ops): Cast variable const0 to `unsigned
7924 HOST_WIDE_INT' when comparing against the result of
7925 GET_MODE_MASK() macro.
7926 (simplify_comparison): Likewise for variable `c0'. Cast variable
7927 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
7928 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
7929 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
7930 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
7931 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
7932 comparing against one.
7933 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
7935 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
7936 macro to `unsigned HOST_WIDE_INT' when comparing against one.
7937 (output_block_move): Cast `sizeof' expression to (int) when
7938 comparing against one.
7939 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
7941 (save_restore_insns): Cast `base_offset' to `long' to match format
7942 specifier in fprintf.
7944 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
7945 to `enum machine_mode'.
7947 * flow.c (life_analysis_1): Remove unused variable `insn'.
7949 * gcc.c (translate_options): Move variables `j' and `k' into the
7950 scope in which they are used. Change their types to `size_t'.
7951 (set_spec): Cast the argument of ctype macro to `unsigned char'.
7952 (read_specs): Likewise.
7953 (process_command): Cast `sizeof' to (int) when comparing against one.
7954 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
7955 (handle_braces): Cast both sides of `==' expression to `long' to
7956 ensure sign matching.
7957 (main): Cast variable `i' to `int' when comparing against one.
7959 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
7960 int to size_t. Cast variable `i' to size_t when comparing against
7963 * genattrtab.c (convert_set_attr_alternative): Remove unused
7964 parameter `insn_code'. All callers changed.
7965 (convert_set_attr): Likewise.
7967 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
7968 size_t when comparing against one. Likewise for variable `len'.
7970 * global.c (global_alloc): Cast variable `max_regno' to size_t
7971 when comparing against one. Likewise for variable `max_allocno'.
7973 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
7975 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
7976 `set' with ATTRIBUTE_UNUSED.
7977 (find_free_reg): Cast `sizeof' expression to (int) when comparing
7980 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
7981 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
7982 (get_condition): Cast variable `const_val' to `unsigned
7983 HOST_WIDE_INT' when comparing against one. Cast unsigned
7984 expression to HOST_WIDE_INT when comparing against one.
7985 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
7986 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
7987 `unsigned' when comparing against one.
7989 * protoize.c (is_id_char): Change type of parameter `ch' to
7991 (munge_compile_params): Cast argument of ctype macro to (const
7993 (process_aux_info_file): Cast variable `aux_info_size' to int when
7994 comparing against one.
7995 (forward_to_next_token_char): Cast argument of ctype macro to
7996 `const unsigned char'.
7997 (edit_formals_lists): Likewise.
7998 (find_rightmost_formals_list): Likewise.
7999 (add_local_decl): Likewise.
8000 (add_global_decls): Likewise.
8001 (edit_fn_definition): Likewise.
8002 (do_cleaning): Likewise.
8003 (scan_for_missed_items): Likewise.
8004 (edit_file): Cast variable `orig_size' to (int) when comparing
8006 (main): Cast argument of ctype macro to `const unsigned char'.
8008 * recog.c (const_int_operand): Mark parameter `mode' with
8011 * regclass.c (record_reg_classes): Change type of variable `c' to
8012 `unsigned char'. Cast `char' array index to `unsigned char'.
8014 * reload.c (push_secondary_reload): Cast argument to
8015 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
8017 * reload1.c (calculate_needs): Cast `char' array index to
8019 (set_label_offsets): Change type of variable `i' to unsigned int.
8020 Cast result of XVECLEN() macro to unsigned when comparing against
8022 (mark_not_eliminable): Change type of variable `i' to unsigned.
8023 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
8024 when comparing against one.
8025 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
8026 comparing against one.
8027 (choose_reload_regs): Hide unused label `fail'.
8028 (reload_cse_simplify_operands): Cast `char' array index to
8030 (reload_combine_note_store): Mark parameter `set' with
8031 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
8033 (reload_cse_move2add): Remove unused variable `src2'.
8035 * sched.c: Include recog.h.
8036 (sched_note_set): Remove unused parameter `b'. All callers
8038 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
8039 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
8040 when comparing against one.
8042 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
8043 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
8044 comparing against one.
8046 * unroll.c (precondition_loop_p): Remove unused parameter
8047 `loop_end'. All callers changed.
8049 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8051 * reload1.c (maybe_fix_stack_asms): New static function.
8054 * reload.h (compute_use_by_pseudos): Declare.
8056 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
8057 (something_needs_reloads): Delete variable.
8058 (finish_spills): New function.
8059 (compute_use_by_pseudos): New function.
8061 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
8062 Use the reload_insn_chain instead of walking the rtl directly.
8064 (reload): Allocate and free spilled_pseudos.
8065 Ensure that all calls of spill_hard_reg are followed by a call to
8067 Use the insns_need_reload list instead of something_needs_reloads
8068 to find out if reload_as_needed must be called.
8069 Clear unused_insn_chains at the end.
8071 (calculate_needs_all_insns): Lose FIRST parameter. All callers
8073 Delete code to keep track of current basic block.
8074 Walk reload_insn_chain instead of the rtl structure. Build the
8075 insns_need_reload chain.
8076 Remember which insns need reloading/elimination by setting the
8077 appropriate fields in struct insn_chain, not by putting modes on the
8080 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
8081 arg INSN. All callers changed.
8082 Delete declaration of struct needs.
8083 Don't set something_needs_reloads.
8084 Record insn needs in the CHAIN argument.
8086 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
8088 (reload_as_needed): Lose FIRST arg. All callers changed.
8089 Walk the reload_insn_chain instead of the rtx structure.
8090 Delete code to keep track of current basic block.
8091 Rename one of the NEXT variables to OLD_NEXT.
8093 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
8095 (choose_reload_regs): Likewise.
8097 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
8100 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
8101 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
8102 (hard_regs_live, hard_regs_need_restore): Delete variables.
8103 (n_regs_saved): Now static.
8104 (referenced_regs, this_insn_sets): New variables.
8106 (setup_save_areas): Restructure the code a bit.
8108 (restore_referenced_regs): Delete function.
8109 (mark_referenced_regs): New function, similar to the old
8110 restore_referenced_regs, but mark registers in referenced_regs.
8112 (clear_reg_live): Delete function.
8113 (mark_set_regs): Renamed from set_reg_live. All callers changed.
8114 Only mark registers in this_insn_sets.
8116 (save_call_clobbered_regs): Rework this function to walk the
8117 reload_insn_chain instead of using the list of instructions directly.
8118 Delete code to keep track of register lives, compute live regs on the
8119 fly from information in the chain.
8120 Instead of calling restore_referenced_regs, use mark_referenced_regs,
8121 then walk the set it computes and call insert_restore as appropriate.
8123 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
8125 Restructure the code a bit. Test hard_regs_saved instead of
8126 hard_regs_need_restore.
8127 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
8128 args. All callers changed.
8129 Restructure the code a bit. Use TO_SAVE to determine which regs to
8130 save instead of more complicated test.
8131 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
8133 Create a new insn_chain structure for the new insn and place it
8136 * rtl.texi: Update documentation to reflect that reload no longer
8137 puts modes on the insns.
8139 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
8141 * function.c (purge_addressof_1): Force the first argument of a
8142 CALL insn to memory.
8144 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
8146 * rtl.h: Delete duplicate prototypes. Add some missing
8148 * rtlanal.c: (for_each_rtx): Formatting tweak.
8150 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8152 * real.c (emdnorm and etoasc): Disable round to even for c4x target
8153 to be compatible with TI compiler.
8155 * Makefile.in (USER_H): Add va-c4x.h to definition.
8157 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
8159 * function.c (purge_addressof_1): Fix typo in inequality: do
8160 bitfield optimization for equal mode sizes.
8161 * expmed.c (store_bit_field): Don't take subregs of subregs in
8162 the movstrict case. Tidy a potential problem in the multi-word case.
8163 (extract_bit_field): Likewise.
8165 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8167 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
8169 Compute max_uid_for_flow by calling get_max_uid after the scan.
8170 (find_basic_blocks_1): Don't emit NOPs here.
8172 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
8174 * alias.c (base_alias_check): Accept new args for the modes of the
8175 two references. Use them to determine if an AND can overlap. Update
8177 (memrefs_conflict_p): Assume sizes are aligned, and uses them
8178 to determine if an AND can overlap.
8180 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
8182 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
8183 check. Add comment to document problems with TARGET_SUN_FPA version
8185 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
8187 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8189 * Makefile.in (gencheck.o): Depend on gansidecl.h.
8191 * c-common.c (print_char_table): Add missing initializers.
8192 (scan_char_table): Likewise.
8193 (time_char_table): Likewise.
8195 * c-decl.c (c_decode_option): Mark parameter `argc' with
8197 (declare_parm_level): Mark parameter `definition_flag' with
8200 * c-lex.c (readescape): Use `(unsigned)1' in shift.
8201 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
8204 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
8206 (emit_call_1): Mark parameters `fndecl' and `funtype' with
8208 (expand_call): Cast result of MIN() to (unsigned int) when
8209 comparing against an unsigned value.
8211 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
8213 (make_definition): Remove unused parameter `op'. All callers
8215 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
8216 comparing against the result of pointer arithmetic.
8218 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
8219 when comparing against one.
8221 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
8222 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
8224 (output_die): Move variable `i' into the scope in which it is
8225 used. Change its type to `unsigned'.
8226 (output_die): Cast the result of `strlen' to (int) when passing it
8227 to ASM_OUTPUT_ASCII().
8228 (output_pubnames): Likewise.
8229 (output_line_info): Likewise.
8231 * emit-rtl.c (global_rtl): Add missing initializers.
8233 * explow.c (promote_mode): Mark parameter `for_call' with
8236 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
8237 `unsigned HOST_WIDE_INT' when comparing against one.
8238 (synth_mult): Change type of variable `cost' to int.
8239 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
8241 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
8242 when comparing against one.
8243 (get_inner_reference): Change variable `alignment' to unsigned.
8244 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
8245 int) when comparing against one.
8246 (expand_builtin_setjmp): Change type of variable `i' to size_t.
8248 * fold-const.c (div_and_round_double): Cast BASE to
8249 (HOST_WIDE_INT) when comparing against one.
8251 * gencheck.c: Include gansidecl.h.
8252 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
8254 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
8255 `tcode' with ATTRIBUTE_UNUSED.
8257 * real.c (edivm): Cast constant value to (unsigned long) in
8258 expression compared against an unsigned value.
8260 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
8261 comparing against one.
8262 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
8263 when comparing against one.
8265 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
8266 (unsigned int) when comparing against one. Likewise for
8268 (smallest_mode_for_size): Likewise.
8269 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
8270 (restore_storage_status): Likewise.
8272 * toplev.c (debug_args): Add missing initializer.
8273 (f_options): Spelling correction. Add missing initializers.
8274 (documented_lang_options): Likewise.
8275 (debug_end_source_file): Mark parameter `lineno' with
8278 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
8279 `decl' and `type' with ATTRIBUTE_UNUSED.
8281 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
8282 when comparing against one.
8283 (assemble_variable): Mark parameter `top_level' with
8285 (assemble_external_libcall): Mark parameter `fun' with
8287 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
8290 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
8292 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
8293 Replace use of r5 with use of r19.
8295 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
8297 * config/v850/v850.c (compute_register_save_size): Allow for the
8298 fact that helper functions save all registers, not just those used
8301 Replace constant 31 with macro LINK_POINTER_REGNUM.
8303 * config/v850/v850.md: Use 'indirect_operand' rather than
8304 'memory_operand' for bit test/set/clear patterns.
8306 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
8308 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
8309 * varasm.c (assemble_start_function et al): Don't call
8310 ASM_GLOBALIZE_LABEL for weak symbols.
8312 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
8314 * cse.c (equiv_constant): Check for NULL return from
8315 gen_lowpart_if_possible().
8317 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
8319 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
8321 * collect2.c (main): Pass -EL/-EB through to the compiler.
8323 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8325 * expr.c (push_block): Handle targets where the stack grows
8326 to higher addresses, but args grow to lower addresses and
8327 ACCUMULATE_OUTGOING_ARGS is not defined.
8329 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
8331 * config/v850/v850.c (print_operand): Extend meaning
8332 of 'c' operands to support .vtinherit.
8334 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8336 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
8337 Added ATTRIBUTE_UNUSED to unused function arguments.
8338 (rc_reg_operand): New predicate.
8339 (c4x_rptb_insert): New function.
8340 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
8341 (c4x_optimization_options): New function.
8343 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
8344 (decrement_and_branch_on_count): New pattern.
8345 (rptb_top): Modified pattern to work with BCT optimization.
8347 * config/c4x/c4x.h (RC_REG): New register class.
8348 (rc_reg_operand): Define prototype.
8349 (IS_RC_REG): New macro.
8350 (IS_RC_OR_PSEUDO_REG): New macro.
8351 (IS_RC_OR_PSEUDO_REGNO): New macro.
8352 (OPTIMIZATION_OPTIONS): Define.
8354 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
8356 * collect2.c (extract_init_priority): No priority is 65535.
8358 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8360 * Makefile.in (build_tooldir): new variable, same as old
8361 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
8362 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
8363 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
8365 * configure.in (gxx_include_dir): set default based on unlibsubdir
8366 * Makefile.in (tooldir): ditto
8367 (cccp.o, cpplib.o): use unlibsubdir implicitly through
8368 gxx_include_dir, includedir and tooldir
8369 (protoize.o, unprotoize.o): ditto
8371 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
8373 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
8375 * config/arm/thumb.c (thumb_override_options): Add warning about
8376 PIC code not being supported just yet.
8378 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
8380 * flow.c: Update comment.
8381 (notice_stack_pointer_modification): New static function.
8382 (record_volatile_insns): Use it.
8383 (mark_regs_live_at_end): Mark the stack pointer as alive
8384 at the end of the function if current_function_sp_is_unchanging
8386 (life_analysis_1): Set current_function_sp_is_unchanging.
8387 * function.c: Define it.
8388 (init_function_start): Initialize it.
8389 * output.h: Declare it.
8390 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
8391 the stack pointer as alive at the end of the function if
8392 current_function_sp_is_unchanging is set.
8393 * i386.c (ix86_epilogue): Optimize the restoring
8394 of the stack pointer.
8396 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
8398 * version.c: Bump for snapshot.
8400 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
8402 * c-pragma.c (handle_pragma_token): If passed a token instead
8403 of a tree, use that as the pack value.
8405 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
8407 * flow.c (find_basic_blocks_1): Fix prototype.
8409 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
8411 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
8412 (struct tree_decl): New fields no_check_memory_usage.
8413 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
8414 (init_attributes): Register it as a new attribute.
8415 (decl_attributes): Set flags on functions given that attribute.
8416 * c-decl.c (duplicate_decls): Merge new attribute.
8417 * expr.h (current_function_check_memory_usage): Declare new var.
8418 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
8419 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
8420 current_function_check_memory_usage.
8421 * function.h: Add field to struct function.
8422 * function.c (current_function_check_memory_usage): Define it.
8423 (push_function_context_to, pop_function_context_from): Save and
8425 (expand_function_start): Set it, based on global flag and function
8428 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
8429 check non-automatic variables, to permit detection of writes to
8430 read-only locations in embedded systems without memory management.
8431 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
8432 when emitting chkr_set_right_libfunc call, even if the argument is
8433 BLKmode or variable-sized; don't abort.
8435 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
8436 symbols in Pmode, not VOIDmode.
8438 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8440 * cppexp.c: When forcing unsigned comparisons, cast both sides
8443 * cpphash.h: Move static declaration of hashtab[]...
8444 * cpphash.c: ...here.
8446 * cpplib.c: Cast difference of two pointers to size_t before
8447 comparing it to size_t. Cast signed to unsigned
8448 before comparing to size_t. (FIXME: struct argdata should use
8449 unsigned buffer sizes.)
8450 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
8451 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
8452 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
8453 size_t before comparison.
8455 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
8457 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
8458 (find_basic_blocks_1): Similarly.
8459 * output.h (find_basic_blocks): Fix prototype.
8460 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
8461 find_basic_blocks anymore.
8463 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
8465 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
8466 (sbitmap_free, sbitmap_vector_free): New macros.
8467 * output.h (rtl_dump_file): Declare.
8469 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
8471 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
8473 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8475 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
8477 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
8478 (divide): Remove unused variable `tmp'.
8479 (si_to_float): Cast numeric constant to (SItype) before comparing
8482 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
8484 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
8485 * gcc.c (add_preprocessor_option): Correct typo when allocating
8486 memory, sizeof() argument had one too many `*'.
8487 (add_assembler_option): Likewise.
8488 (add_linker_option): Likewise.
8489 * gcov.c (output_data): Likewise.
8490 * local-alloc.c (memref_used_between_p): Likewise.
8491 (update_equiv_regs): Likewise.
8492 * loop.c (strength_reduce): Likewise.
8493 * reg-stack.c (record_asm_reg_life): Likewise.
8494 (subst_asm_stack_reg): Likewise.
8495 * reorg.c (dbr_schedule): Likewise.
8497 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8499 * flow.c (life_analysis_1): Break out some functions.
8500 (find_basic_blocks_1): Likewise. Also move some variables out and
8502 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
8503 new static var nonlocal_label_list with it.
8504 (active_eh_region, nested_eh_region, label_value_list,
8505 nonlocal_label_list): New static variables.
8506 (make_edges, delete_unreachable_blocks, delete_block): New static
8507 functions, broken out of find_basic_blocks_1.
8508 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
8509 noop_move_p): New static functions, broken out of life_analysis_1.
8511 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
8513 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
8514 Take extra care for op0 now possibly being a subreg.
8515 (extract_bit_field): Likewise.
8516 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
8517 the reg to memory if there is no equal sized integral mode.
8518 * stor-layout.c (int_mode_for_mode): New function.
8519 * machmode.h: Prototype it.
8521 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
8523 * global.c (build_insn_chain): Verify no real insns exist past the
8524 end of the last basic block, then exit the loop.
8526 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
8528 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
8530 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
8532 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
8534 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
8536 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8538 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8540 * flow.c (find_basic_blocks): Correctly determine when a call
8541 is within an exception region.
8543 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8545 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8547 * cpplib.h: Protect from multiple inclusions.
8548 * cpplib.c: Fix minor formatting problems.
8550 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8552 * jump.c (jump_optimize): Revert accidental patch.
8554 * Makefile.in (cpplib.o): Use unlibsubdir.
8556 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8558 * loop.c (get_condition): Allow combine when either compare is
8561 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8563 * version.c: Bump for snapshot.
8565 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
8567 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
8568 (init_lex): Initialize ridpointers[RID_BYREF].
8569 * c-lex.h (enum rid): Add RID_BYREF.
8570 * c-parse.gperf: Add RID_BYREF as a type qualifier.
8571 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
8572 (encode_type_qualifiers): Similarly
8573 * c-gperf.h: Rebuilt.
8575 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
8577 * c-common.c (type_for_mode): Only return TItype nodes when
8578 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8579 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
8580 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8581 (init_decl_processing): Only create TItype nodes when
8582 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8583 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
8584 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8586 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8588 * stmt.c (n_occurrences): New static function.
8589 (expand_asm_operands): Verify that all constrains match in the
8590 number of alternatives.
8591 Verify that '+' or '=' are at the beginning of an output constraint.
8592 Don't allow '&' for input operands.
8593 Verify that '%' isn't written for the last operand.
8594 * reload.c (find_reloads): Abort if an asm is found with invalid
8595 constraints; all possible problems ought to be checked for earlier.
8597 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8599 * flags.h (flag_branch_on_count_reg): Always declare
8600 * toplev.c (flag_branch_on_count_reg): Likewise.
8601 * toplev.c: Fix typos.
8603 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
8606 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
8608 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
8610 (find_basic_blocks_1): Add a nop to the end of a basic block when
8611 a trailing call insn does not have abnormal control flow.
8612 * gcse.c (pre_transpout): New variable.
8613 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
8614 (compute_pre_transpout): Calculate it.
8615 (compute_pre_ppinout): Use it to eliminate impossible placements
8616 due to abnormal control flow through calls.
8617 (compute_pre_data): Call compute_pre_transpout.
8619 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8621 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
8623 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
8625 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
8626 and matching define_insns): Tack on a `use' of the table label, so
8627 flow analysis will recognize a tablejump.
8629 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
8631 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
8632 always end basic blocks for abnormal edge reasons.
8634 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
8636 * config/i386/i386.h: Remove definition of
8637 HANDLE_PRAGMA_PACK_PUSH_POP.
8639 * config/i386/go32.h: Add definition of
8640 HANDLE_PRAGMA_PACK_PUSH_POP.
8642 * config/i386/win32.h: Add definition of
8643 HANDLE_PRAGMA_PACK_PUSH_POP.
8645 * config/i386/cygwin32.h: Add definition of
8646 HANDLE_PRAGMA_PACK_PUSH_POP.
8648 * c-pragma.c (insert_pack_attributes): Do not insert
8649 attributes unless #pragma pack(push,<n>) is in effect.
8651 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
8653 * expr.c (emit_group_store): Handle a PARALLEL destination.
8655 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
8657 * gcse.c (pre_insert_insn): When a call ends a bb, insert
8658 the new insns before the argument regs are loaded.
8660 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8662 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
8663 (c-parse.gperf): Update comments describing invocation flags.
8664 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
8666 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
8668 * reload1.c (reload): Call free before clobbering the memory
8669 locations or constants pointers.
8671 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8673 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
8674 for efficiency by checking whether we need to modify the current
8675 stack permission at all.
8676 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
8677 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
8678 __enable_execute_stack libcall here too if
8679 TRANSFER_FROM_TRAMPOLINE is defined.
8680 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
8683 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
8685 * Makefile.in (DRIVER_DEFINES): Remove last change.
8687 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8689 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
8690 insns we're going to copy.
8691 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
8693 * loop.c (count_one_set): Add prototype.
8695 * caller-save.c (restore_referenced_regs): Lose mode argument.
8696 (insert_save): Lose mode argument.
8697 (insert_restore): Lose mode argument.
8698 (insert_one_insn): Lose mode argument.
8699 (save_call_clobbered_regs): Lose mode argument.
8700 (setup_save_areas): Take no argument and return void. All callers
8702 Don't verify validity of memory addresses.
8703 * reload.h (setup_save_ares): Adjust prototype.
8704 (save_call_clobbered_regs): Likewise.
8705 * reload1.c (delete_caller_save_insns): New function.
8706 (caller_save_spill_class): Delete variable.
8707 (caller_save_group_size): Delete variable.
8708 (reload): Call setup_save_areas and save_call_clobbered_regs
8709 in the main loop, before calling calculate_needs_all_insns.
8710 Don't call save_call_clobbered_regs after the loop.
8711 Call delete_caller_save_insns at the end of an iteration if
8713 Delete code to manage caller_save_spill_class.
8714 Emit the final note before setting reload_first_uid.
8715 Simplify test that determines whether reload_as_needed gets run.
8716 (calculate_needs): Delete code to manage caller_save_spill_class.
8718 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
8720 * collect2.c (main): Initialize ld_file_name.
8722 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
8724 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
8725 check for flag_function_sections.
8727 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8729 * cse.c (insert_regs): Fix bug in Sep 24 change.
8731 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8733 * flags.h (flag_dump_unnumbered): Declare.
8734 * toplev.c (flag_dump_unnumbered): Don't declare.
8735 * print-rtl.c (flags.h): Include.
8736 (print_rtl_single): Add return value.
8737 * rtl.h (print_rtl_single): Update declaration.
8738 * flow.c (flag_dump_unnumbered): Don't declare.
8739 (print_rtl_with_bb): Use return value of print_rtl_single.
8741 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8743 * loop.c (count_one_set): New static function, broken out of
8745 (count_loop_regs_set): Call it.
8746 * global.c (mark_reg_store): Handle clobbers here by not calling
8748 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
8749 is in fact a clobber.
8750 * integrate.c (process_reg_param): New function, broken out of
8751 expand_inline_function.
8752 (expand_inline_function): Call it.
8755 * i386.md (addsidi3_1): Delete unused variable temp.
8756 (addsidi3_2): Likewise.
8757 (clstrstrsi): Delete unused variable addr1.
8759 * rtl.h: Don't declare any functions also declared in recog.h.
8761 * Makefile.in (stupid.o): Update dependencies.
8762 (global.o): Likewise.
8764 * global.c: Include reload.h
8765 (reg_becomes_live): New function.
8766 (reg_dies): New function.
8767 (build_insn_chain): New function.
8768 (global_alloc): Call build_insn_chain before calling reload.
8770 * reload.h (struct needs): New structure definition.
8771 (struct insn_chain): Likewise.
8772 (reload_insn_chain): Declare variable.
8773 (new_insn_chain): Declare function.
8776 * reload1.c (reload_startobj): New variable.
8777 (reload_insn_chain): New variable.
8778 (unused_insn_chains): New variable.
8779 (new_insn_chain): New function.
8780 (init_reload): Initialize reload_startobj, not reload_firstobj.
8781 (reload): Initialize reload_firstobj.
8782 Before returning, free everything on the reload_obstack.
8784 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
8785 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
8786 current_chain): New variables.
8787 (reg_where_born): Delete variable.
8788 (REG_WHERE_BORN): New macro.
8789 (find_clobbered_regs): New function.
8790 (stupid_life_analysis): Don't allocate/free reg_where_born.
8791 Allocate and free reg_where_born_exact, reg_where_born_clobber,
8792 reg_where_dead_chain.
8793 Use REG_WHERE_BORN instead of reg_where_born.
8794 While processing the insns, build the reload_insn_chain with
8795 information about register lifetimes.
8796 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
8797 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
8799 Compute and information about birth and death of pseudo registers in
8800 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
8801 Delete code to set elements of reg_where_born.
8803 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8805 * tree.def (GOTO_EXPR): Modified documentation.
8806 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
8809 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
8811 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
8812 loop_final_value, loop_comparison_code): No longer static.
8813 (unroll_loop): Delete loop_start_value update.
8814 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
8815 loop_final_value, loop_comparison_code): Extern.
8816 (loop_start_value): Delete extern.
8817 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
8818 loop_comparison_value, loop_comparison_code): Delete.
8819 (loop_optimize): Remove initialization for deleted variables.
8820 (strength_reduce): Delete analyze_loop_iterations call. Only call
8821 insert_bct if flag_branch_count_on_reg set.
8822 (analyze_loop_iterations): Delete.
8823 (insert_bct): Remove iteration count calculation. Move checks for
8824 viable BCT optimization to here. Obtain iteration count from
8825 loop_iterations and correct for unrolling. Check for enough
8826 iteration to be beneficial. Comment out runtime iteration count
8828 (insert_bct): Print iteration count in dump file. Remove
8829 loop_var_mode and use word_mode directly.
8831 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
8832 * rs6000.c (rs6000_override_options): Use it.
8833 (optimization_options): Enable use of flag_branch_on_count_reg.
8834 * rs6000.md (define_function_unit): Describe 604e.
8836 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8838 * loop.c (move_movables): Corrected threshold calculation for
8839 moved_once registers.
8841 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8843 * loop.c (combine_givs_p): Fix test for identical givs.
8845 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
8847 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
8848 call abort if the function is already defined.
8850 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
8852 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
8853 truncation is not a no-op.
8855 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
8857 * version.c: Bump for snapshot.
8859 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
8861 * version.c: Bump for snapshot.
8863 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
8865 * expmed.c (expand_divmod): Don't widen for computing remainder
8866 if we seem to have a divmod pattern for needed mode.
8868 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8870 * cpplib.c (macroexpand): Correct off-by-one error in handling
8873 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
8875 * combine.c (expand_field_assignment): Don't do bitwise operations
8876 on MODE_FLOAT; pun to MODE_INT if possible.
8878 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
8879 scott snyder <snyder@d0sgif.fnal.gov>
8881 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
8882 linker. Recognize mangled names in quotes.
8884 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8886 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
8887 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
8888 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
8889 (lshrsi3_extend, lshrsi3_extend2): Ditto.
8891 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8893 * function.c (purge_addressof_1): If trying to take a sub-word
8894 integral piece of a floating point mode, put it on the stack.
8896 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
8898 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
8900 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8902 * PROJECTS: Remove template friends.
8904 * collect2.c (sort_ids): Remove unused variable.
8906 * tm.texi (MATH_LIBRARY): Document.
8907 (NEED_MATH_LIBRARY): Remove.
8909 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
8910 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
8912 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
8914 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
8915 last_end to 0x7fffffff.
8917 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8919 * function.c (purge_addressof_1): Do not perform endianness
8920 corrections on bitpos, who we call will do it for us.
8922 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
8924 * h8300.c (WORD_REG_USED): Fix typo.
8925 (initial_offset): Use WORD_REG_USED.
8927 * h8300.c (handle_pragma): Fix typo.
8929 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8931 * caller-save.c (insert_save_restore): Break this function up
8932 into new functions insert_restore, insert_save and insert_one_insn.
8933 All callers changed.
8934 (insert_restore): New function, mostly broken out of
8935 insert_save_restore.
8936 (insert_save): Likewise.
8937 (insert_one_insn): Likewise.
8938 (restore_referenced_regs): New argument BLOCK. All callers changed.
8939 (save_call_clobbered_regs): Don't keep track of basic block boundaries
8940 in this function, do it in insert_one_insn instead.
8942 * reload1.c (reload): Break out some more pieces into separate
8944 (dump_needs): New function, broken out of reload.
8945 (set_initial_elim_offsets): Likewise.
8946 (init_elim_table): Likewise.
8947 (update_eliminables): Likewise.
8949 * global.c (global_alloc): Delete code to manage the scratch_list.
8950 * local-alloc.c (qty_scratch_rtx): Delete.
8951 (scratch_block): Delete.
8952 (scratch_list): Delete.
8953 (scratch_list_length): Delete.
8954 (scratch_index): Delete.
8955 (alloc_qty_for_scratch): Delete.
8956 (local-alloc): Update initialization of max_qty.
8957 Delete code to manage the scratch list.
8958 Delete code to allocate/initialize qty_scratch_rtx.
8959 (block_alloc): Don't allocate quantities for scratches.
8960 Delete code to manage the scratch list.
8961 * regs.h (scratch_list): Delete declaration.
8962 (scratch_block): Delete declaration.
8963 (scratch_list_length): Delete declaration.
8964 * reload1.c (reload): Delete code to manage the scratch list.
8965 (spill_hard_reg): Likewise.
8966 (mark_scratch_live): Delete.
8968 * recog.c (alter_subreg): Delete declaration.
8970 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8972 * Makefile.in (cccp.o): Fix typo in last patch.
8974 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8976 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
8977 * config/sh/lib1funcs.asm (___set_fpscr): Add.
8979 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
8981 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
8982 NULL_RTX as an argument.
8984 * Makefile.in (unlibsubdir): Define.
8985 (DRIVER_DEFINES): Use unlibsubdir.
8986 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
8987 (stmp-fixinc): Similarly.
8989 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8991 * regmove.c (regmove_optimize): Add variable old_max_uid.
8992 At the end of the function, update basic_block_end.
8994 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8996 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
8997 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
9000 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
9002 * config/arm/arm.c: Improve interworking support.
9004 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9006 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
9007 copied from reload_out[r] .
9009 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
9011 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
9012 with more than three size ranges.
9014 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
9016 * rtl.c (mode_name): Add a null string at the end of the array.
9017 (mode_wider_mode): Change type to unsigned char.
9018 (mode_mask_array): New variable.
9019 (init_rtl): Update for mode_wider_mode type change.
9021 * rtl.h (mode_wider_mode): Change type to unsigned char.
9022 (mode_mask_array): Declare.
9023 (GET_MODE_MASK): Use mode_mask_array.
9025 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
9027 * calls.c (expand_call) : Encapsulate code into
9028 copy_blkmode_from_reg.
9029 * expr.c (copy_blkmode_from_reg): New function.
9030 * expr.h (copy_blkmode_from_reg): New function.
9031 * integrate.c (function_cannot_inline_p): We can inline
9033 (expand_inline_function): Use copy_blkmode_from_reg
9034 if needed. Avoid creating BLKmode REGs.
9035 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
9038 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
9040 * config/v850/v850.c: Add function prototypes.
9041 Add support for v850 special data areas.
9043 * config/v850/v850.h: Add support for v850 special data areas.
9045 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
9046 HANDLE_PRAGMA_PACK_PUSH_POP.
9047 (push_alignment): New function: Cache an alignment requested
9048 by a #pragma pack(push,<n>).
9049 (pop_alignment): New function: Pop an alignment from the
9051 (insert_pack_attributes): New function: Generate __packed__
9052 and __aligned__ attributes for new decls whilst a #pragma pack
9054 (add_weak): New function: Cache a #pragma weak directive.
9055 (handle_pragma_token): Document calling conventions. Add
9056 support for #pragma pack(push,<n>) and #pragma pack (pop).
9058 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
9059 are defined enable HANDLE_PRAGMA_PACK.
9060 Move 'struct weak_syms' here (from varasm.c).
9061 Add pragma states for push and pop pragmas.
9063 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
9066 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
9067 HANDLE_GENERIC_PRAGMAS.
9069 * varasm.c: Move definition of 'struct weak_syms' into
9071 (handle_pragma_weak): Deleted.
9073 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9075 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
9077 * c-decl.c (start_function): Add invocation of
9078 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
9080 * tm.texi: Remove description of non-existant macro
9081 SET_DEFAULT_SECTION_NAME.
9083 (HANDLE_SYSV_PRAGMA): Document.
9084 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
9086 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
9088 * config.sub: Recognize i[34567]86-pc-udk as new target.
9089 * configure.in: Likewise.
9090 * config/i386/t-udk: New file.
9091 * config/i386/udk.h: New file.
9093 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
9095 * reorg.c (check_annul_list_true_false): Remove unused variables.
9096 (steal_delay_list_from_target): Add missing "used_annul" variable.
9097 (try_merge_delay_insns): Close out half formed comment.
9099 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9101 * cpplib.c (macroexpand): If arg->raw_before or
9102 arg->raw_after, remove any no-reexpansion escape at the
9103 beginning of the pasted token. Correct handling of whitespace
9104 markers and no-reexpand markers at the end if arg->raw_after.
9106 * toplev.c (documented_lang_options): Recognize -include,
9107 -imacros, -iwithprefix, -iwithprefixbefore.
9108 * cpplib.c (cpp_start_read): Process -imacros and -include
9109 switches at the same time and in command-line order, after
9110 initializing the dependency-output code. Emit properly nested
9111 #line directives for them. Emit a #line for the main file
9112 before processing these switches, and don't do it again
9115 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
9117 * function.c (purge_addressof_1): Use bitfield manipulation
9118 routines to handle mem mode < reg mode.
9120 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9122 * reorg.c (try_merge_delay_insns): Account for resources referenced
9123 in each instruction in INSN's delay list before trying to eliminate
9124 useless instructions. Similarly when looking at a trial insn's delay
9127 * reorg.c (check_annul_list_true_false): New function.
9128 (steal_delay_list_from_{target,fallthrough}): Call it and also
9129 refine tests for when we may annul if already filled a slot.
9130 (fill_slots_from_thread): Likewise.
9131 (delete_from_delay_slot): Return newly-created thread.
9132 (try_merge_delay_isns): Use its new return value.
9134 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
9136 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
9137 used to compute a giv or as some other non-counting use.
9139 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9141 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
9142 * local-alloc.c (find_free_reg): Use it.
9143 * global.c (find_reg): Likewise.
9144 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
9146 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
9147 * caller-save.c (init_caller_save): Use it.
9148 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
9150 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
9152 * configure.in: Add --enable-cpplib option which uses cpplib
9153 for cpp, but doesn't link cpplib into cc1. Make help text
9154 capitalization consistent.
9155 * configure: Rebuilt.
9157 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
9159 * function.c (gen_mem_addressof): If the address REG is
9160 REG_USERVAR_P make the new REG be so also.
9161 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
9162 in an attempt to clarify slightly.
9164 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
9166 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
9167 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
9169 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
9171 * toplev.c: Fix last patch.
9173 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
9175 * loop.c (get_condition): Fix typo in May 9 change.
9177 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9179 * invoke.texi (-fexceptions): Merge 2 different descriptions.
9181 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9183 * toplev.c (documented_lang_options): Spelling corrections.
9185 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9187 * configure.in: new flags --with-ld and --with-as, equivalent
9188 to setting LD and AS environment variables. Test whether
9189 specified arguments are GNU commands, and report them with
9190 checking messages. Use the specified AS for configure
9193 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
9195 * gcc.c (find_a_file): when looking for `as' and `ld', return
9196 the DEFAULT program if it exists
9197 * collect2.c (main): use DEFAULT_LINKER if it exists
9199 * gcc.c (find_a_file): the test for existence of a full
9200 pathname was reversed
9202 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
9204 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
9205 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
9207 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
9209 * tree.h (TYPE_BINFO): Document.
9211 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
9213 * i386-coff.h (dbxcoff.h): Added.
9215 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
9217 * toplev.c: fix bad patch around flag_data_sections.
9219 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
9221 * reload1.c (reload): Use reload_address_index_reg_class and
9222 reload_address_base_reg_class when setting
9223 caller_save_spill_class. (Patch generated by Jim Wilson:
9226 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
9228 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
9229 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
9230 * expr.c (store_field): Add alias_set parameter. Set the
9231 MEM_ALIAS_SET accordingly, if the target is a MEM.
9232 (expand_assignment): Use it.
9233 (store_constructor_field): Pass 0.
9234 (expand_expr): Likewise.
9236 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
9238 * flags.h: Add flag_data_sections.
9239 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
9240 (compile_file): Error if flag_data_sections not supported.
9241 * varasm.c (assemble_variable): Handle flag_data_sections.
9242 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
9243 * config/mips/elf.h: Likewise.
9244 * config/mips/elf64.h: Likewise.
9245 * invoke.texi: Describe -fdata-sections.
9247 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
9249 * invoke.texi (-ffloat-store): Clarify that this option
9250 does not affect intermediate results -- only variables.
9252 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
9254 * cpp.texi: Update for Fortran usage from Craig.
9256 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
9258 * rs6000.c (function_arg_boundary): Revert accidental change on
9261 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
9263 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
9264 (output_mi_thunk): Declare.
9266 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
9267 (output_function_profiler): Use r12 for temp, instead of r11 so
9268 that we preserve the static chain register.
9270 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
9272 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
9274 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9276 * sh.c (gen_shl_sext): Fix case 5.
9278 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9280 * reload1.c (reload_combine): Re-add line that got accidentally lost.
9282 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9284 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
9285 accessing variables until they are initialized via va_arg().
9287 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9289 * reload1.c (reload_combine): Initialize set before using.
9291 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
9293 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
9296 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
9298 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
9299 operand3 with mask before using it. Patch provided by Jim Wilson.
9301 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9303 * config/sparc/sparc.c (function_value): Perform the equivalent of
9304 PROMOTE_MODE for ARCH64.
9305 (eligible_for_epilogue_delay): Allow DImode operations in delay
9306 slot of a return for ARCH64.
9308 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9310 * sh.md (sqrtsf2): Fix mode of sqrt.
9312 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9314 * reload1.c (choose_reload_regs): Also try inheritance when
9315 reload_in is a stack slot of a pseudo, even if we already got a
9318 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9320 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
9321 (reload_cse_regs): New function body: call reload_cse_regs_1,
9322 reload_combine, reload_cse_move2add.
9323 When doing expensive_optimizations, call reload_cse_regs_1 a
9324 second time after reload_cse_move2add.
9325 (reload_combine, reload_combine_note_store): New functions.
9326 (reload_combine_note_use): New function.
9327 (reload_cse_move2add, move2add_note_store): New functions.
9329 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9331 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
9332 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
9334 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
9335 more than 3 such reloads.
9337 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
9338 RELOAD_FOR_X_ADDR_ADDR reload.
9340 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9342 * expr.c (store_constructor): When initializing a field that is smaller
9343 than a word, at the start of a word, try to widen it to a full word.
9345 * cse.c (cse_insn): When we are about to change a register,
9346 remove any invalid references to it.
9348 (remove_invalid_subreg_refs): New function.
9349 (mention_regs): Special treatment for SUBREGs.
9350 (insert_regs): Don't strip SUBREG for call to mention_regs.
9351 Check if reg_tick needs to be bumped up before that call.
9352 (lookup_as_function): Try to match known word_mode constants when
9353 looking for a norrower constant.
9354 (canon_hash): Special treatment for SUBREGs.
9356 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9358 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
9359 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
9360 defined, emit libcall to __enable_execute_stack. Also fix opcodes
9361 and offsets in actual stack trampoline code so they match the
9362 commentary and actually work.
9364 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9366 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
9368 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
9369 tmake_file. Set extra_parts to needed crt objects.
9370 * configure: Rebuilt.
9371 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
9372 (TARGET_DEFAULT): Set if default is v9 or ultra.
9373 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
9374 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
9375 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
9376 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
9377 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
9378 (TARGET_VERSION): Define.
9379 (MULTILIB_DEFAULT): Define.
9380 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
9381 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
9382 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
9384 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
9385 * config/sparc/sparc.c (sparc_override_options): If arch and
9386 pointer size disagree, emit diagnostic and fix it up. If
9387 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
9388 V8PLUS in 64-bit mode.
9389 * config/sparc/t-linux64: New file.
9390 * config/sparc/t-sol2-64: New file.
9391 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
9392 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
9393 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
9394 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
9395 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
9396 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
9398 (STARTFILE_SPEC): Set approriately based upon those.
9399 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
9400 disposition of DEFAULT_ARCH32_P.
9401 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
9402 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
9403 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
9404 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
9405 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
9407 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
9409 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
9411 * rtl.h (init_virtual_regs): New function.
9412 * emit-rtl.c (init_virtual_regs): Define.
9413 (insn_emit): Use it.
9414 * integrate.c (save_for_inline_copying): Likewise.
9416 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
9418 * config/arm/thumb.h: The following patches were made by Jim Wilson:
9419 (enum reg_class): Add NONARG_LO_REGS support.
9420 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9421 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
9422 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
9423 completes. Re-enable HImode REG+OFFSET addresses.
9424 (LEGITIMIZE_RELOAD_ADDRESS): Define.
9426 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
9428 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
9430 * alpha.c (get_aligned_mem): Revert Sep 20 change.
9431 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
9432 (alpha_align_insns): Properly calculate initial offset wrt max_align.
9434 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
9436 * arm.c (find_barrier): Revert change of Apr 23. Handle table
9437 jumps as a single entity, taking into account the size of the
9440 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9442 * tree.def (SWITCH_EXPR): New tree node definition.
9444 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
9446 * version.c: Bump for snapshot.
9448 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
9450 * version.c: Bump for snapshot.
9452 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
9454 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
9457 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
9459 * Revert this patch.
9460 * reload.c (find_reloads): Do not replace a pseudo with
9461 (MEM (reg_equiv_addr)) in the initializing insn for the
9464 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
9466 * final.c (final_scan_insn): Disable tracking CC across branches.
9468 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9470 * expr.h (eh_rtime_match_libfunc): New extern declaration.
9471 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
9472 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
9473 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
9474 NULL. Only include <stdio.h> if inhibit_libc is not defined.
9476 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
9478 * toplev.c (rest_of_compilation): Skip compiling anything with
9479 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
9481 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
9483 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
9484 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
9485 use in_libcall_block.
9486 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
9487 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
9490 Mon Sep 21 14:02:23 1998
9492 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
9493 typo in no-fancy-math-387 description.
9495 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
9497 * version.c: Bump for snapshot.
9499 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
9501 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
9503 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
9505 * i386.h: (TARGET_SWITCHES) Add description fields for flags
9506 documented in install.texi.
9507 (TARGET_OPTIONS) Likewise.
9509 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
9511 * version.c: Bump for snapshot.
9513 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
9515 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
9516 * cccp.c (main): Likewise.
9518 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
9519 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
9522 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
9524 * Makefile.in (LIBS): Link in libiberty.a.
9525 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
9527 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
9529 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
9530 it to update bb boundaries. Update caller.
9531 * function.c (reposition_prologue_and_epilogue_notes): Update
9532 bb boundaries wrt the moved note.
9534 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
9536 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9538 * configure: Regenerate.
9540 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9542 * alpha.c (alpha_sr_alias_set): New variable.
9543 (override_options): Set it.
9544 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9545 (mode_mask_operand): Fix signed-unsigned comparision warning.
9546 (alpha_expand_block_move): Likewise.
9547 (print_operand): Likewise.
9548 (get_aligned_mem): Use change_address.
9549 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9550 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9551 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9552 (alpha_align_insns): Remade from old alphaev5_align_insns
9553 to handle multiple processors.
9554 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9555 * output.h (label_to_alignment): Prototype.
9557 * tree.c (new_alias_set): New function.
9558 * tree.h (new_alias_set): Declare it.
9559 * c-common.c (c_get_alias_set): Use it.
9561 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9563 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9564 to an ABS expr, convert an unsigned input to signed.
9566 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
9568 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
9570 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9572 * configure.in: Add support for c4x targets.
9573 * configure: Rebuilt.
9575 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
9577 * combine.c (distribute_notes): If an insn is a cc0 user, only
9578 delete it if we can also delete the cc0 setter.
9580 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
9582 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
9583 (invert_truthvalue): Enable truthvalue inversion for
9584 floating-point operands if -ffast-math.
9586 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9588 * configure.in: Disable collect2 for nextstep. Instead use
9590 * configure: Rebuilt.
9591 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
9592 (ENDFILE_SPEC): Define.
9593 (OBJECT_FORMAT_MACHO): Define.
9594 (EH_FRAME_SECTION_ASM_OP): Define.
9595 * crtstuff.c: Handle MACHO.
9597 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
9599 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
9601 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
9603 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
9604 (_fpadd_parts): Get sign right for 0.
9606 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9608 * ginclude/varargs.h: Add support for C4x target.
9609 * ginclude/stdargs.h: Likewise.
9611 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
9613 * alpha.c (alpha_return_addr): SET should be VOIDmode.
9614 (alpha_emit_set_long_const): Rewrite to be callable from reload
9616 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
9617 * alpha.md (movdi): Likewise.
9619 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
9621 * arm.c (add_constant): New parameter address_only, change caller.
9622 Set it non-zero if taking the address of an item in the pool.
9623 (arm_reorg): Handle cases where we need the address of an item in
9626 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
9628 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
9629 memory addresses that are not in standard canonical form.
9631 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
9633 * README.C4X: New file with information about the c4x ports.
9634 * ginclude/va-c4x.h: New file for c4x varargs support.
9635 * config/c4x: New directory with c4x port files.
9637 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
9639 * reload.c (find_reloads): Do not replace a pseudo with
9640 (MEM (reg_equiv_addr)) in the initializing insn for the
9643 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
9645 * toplev.c (rest_of_compilation): Set bct_p on second call to
9647 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
9649 (strength_reduce): Only call analyze_loop_iterations and
9650 insert_bct if bct_p set.
9651 (check_dbra_loop): Fix typo.
9652 (insert_bct): Use word_mode instead of SImode.
9653 (instrument_loop_bct): Likewise. Do not delete iteration count
9654 condition code generation insn. Initialize iteration count before
9656 * rtl.h (loop_optimize): Update prototype.
9658 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
9659 not doubleword aligned.
9661 * rs6000.c (optimization_options): New function.
9662 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
9663 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
9664 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
9665 first; cr1 can be used for FP record condition insns.
9667 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
9669 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
9672 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
9675 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
9677 (block_move_call): New function: Call a library routine to copy a
9679 (m32r_expand_block_move): New function: Expand a "movstrsi"
9680 pattern into a sequence of insns.
9681 (m32r_output_block_move): New function: Expand a
9682 "movstrsi_internal" pattern into a sequence of assembler opcodes.
9683 (m32r_block_immediate_operand): New function: Return true if the
9684 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
9686 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9688 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
9690 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
9692 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9694 * regmove.c (copy_src_to_dest): Check that modes match.
9696 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
9698 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
9700 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
9702 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
9703 narrower than FLOAT_REGS.
9705 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9707 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
9709 * Makefile.in (old_gxx_include_dir): removed
9711 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
9713 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
9716 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
9717 (sh_handle_pragma): Change function arguments to match new
9718 specification for HANDLE_PRAGMA.
9720 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9722 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
9724 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
9725 When generating output, initialize missing struct member to zero.
9727 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9729 * regmove.c (copy_src_to_dest): Don't copy if that requires
9730 (a) new register(s).
9732 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9734 * global.c (reg_allocno): Now static.
9735 * reload1.c (reg_allocno): Delete declaration.
9736 (order_regs_for_reload): Take no arguments. Don't treat regs
9737 allocated by global differently than those allocated by local-alloc.
9739 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9741 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
9742 condition, fix format strings.
9743 (output_function_epilogue): Likewise.
9745 * m68k/m68k.c: Don't include <stdlib.h> directly.
9747 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
9749 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
9750 mem_first_set, mem_last_set; because 0 can be a CUID.
9751 (oprs_unchanged_p): Use new definition.
9752 (record_last_reg_set_info): Likewise.
9753 (record_last_mem_set_info): Likewise.
9754 (compute_hash_table): Likewise.
9756 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
9758 * rs6000.c (output_epilogue): Handle Chill.
9760 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
9761 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
9763 * combine.c (make_extraction): If no mode is specified for
9764 an operand of insv, extv, or extzv, default it to word_mode.
9765 (simplify_comparison): Similarly.
9766 * expmed.c (store_bit_field): Similarly.
9767 (extract_bit_field): Similarly.
9768 * function.c (fixup_var_regs_1): Similarly.
9769 * recog.c (validate_replace_rtx_1): Similarly.
9770 * mips.md (extv, extzv, insv expanders): Default modes for most
9771 operands. Handle TARGET_64BIT.
9772 (movdi_uld, movdi_usd): New patterns.
9774 * pa.c (emit_move_sequence): Do not replace a pseudo with its
9775 equivalent memory location unless we have been provided a scratch
9776 register. Similarly do not call find_replacement unless a
9777 scratch register has been provided.
9779 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9781 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
9784 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
9786 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
9787 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
9788 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
9789 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
9790 * c-decl.c (init_decl_processing): Update accordingly.
9791 * expr.c (expand_builtin): Likewise.
9793 * rtl.h (global_rtl): Add cfa entry.
9794 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
9795 (LAST_VIRTUAL_REGISTER): Update.
9796 * emit-rtl.c (global_rtl): Add cfa entry.
9797 (init_emit): Initialize it.
9798 * function.c (cfa_offset): New.
9799 (instantiate_virtual_regs): Initialize it.
9800 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
9801 (expand_function_end): Call expand_eh_return.
9802 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
9804 * except.c (current_function_eh_stub_label): Kill.
9805 (current_function_eh_old_stub_label): Likwise; update all references.
9806 (expand_builtin_set_return_addr_reg): Kill.
9807 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
9808 (expand_builtin_set_eh_regs): Kill.
9809 (eh_regs): Produce a third reg for the actual handler address.
9810 (eh_return_context, eh_return_stack_adjust): New.
9811 (eh_return_handler, eh_return_stub_label): New.
9812 (init_eh_for_function): Initialize them.
9813 (expand_builtin_eh_return, expand_eh_return): New.
9814 * except.h: Update prototypes.
9815 * flow.c (find_basic_blocks_1): Update references to the stub label.
9816 * function.h (struct function): Kill stub label elements.
9818 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
9819 register number is one that would be in the previous window.
9820 Provide a dummy definition for non-windowed targets.
9821 (get_reg_addr): New function.
9822 (get_reg, put_reg, copy_reg): Use it.
9823 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
9824 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
9826 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
9827 (alpha_init_expanders): Initialize it.
9828 (alpha_expand_epilogue): Use it.
9829 * alpha.h: Declare it.
9830 * alpha.md (eh_epilogue): New.
9832 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
9833 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
9835 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
9837 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
9840 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9842 * except.h (struct eh_entry): Add false_label field.
9843 (end_catch_handler): Add prototype.
9844 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
9845 (start_catch_handler): When using old style exceptions, issue
9846 runtime typematch code before continuing with the handler.
9847 (end_catch_handler): New function, generates label after handler
9848 if needed by older style exceptions.
9849 (expand_start_all_catch): No need to check for new style exceptions.
9850 (output_exception_table_entry): Only output the first handler label
9851 for old style exceptions.
9852 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
9853 mechanism into one function, if a runtime matcher is provided.
9855 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9857 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
9859 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
9861 * integrate.c (copy_decl_list): Fix typo.
9863 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9865 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
9868 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
9870 * version.c: Bump for snapshot.
9872 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
9874 * version.c: Bump for snapshot.
9876 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
9878 * version.c: Bump for snapshot.
9880 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9882 * invoke.texi (C Dialect Options): Put back missing @end itemize.
9884 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9886 * configure.in: remove usage of `!' to negate the result of a
9887 command; some common shells do not support it
9889 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9891 * configure.in: in sparc9-sol2 config, use 'if test' not
9893 * configure: Rebuilt.
9895 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
9897 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
9898 (CPP_CPU_DEFAULT_SPEC): Likewise.
9899 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
9900 for arch64 libfuncs.
9902 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
9905 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9907 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
9909 * collect2.c: Don't declare `sys_siglist' here.
9910 (my_strsignal): Prototype and define new function. Use it in
9911 place of `sys_siglist' hacks.
9913 * mips_tfile.c: Likewise.
9915 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
9916 (GCC_NEED_DECLARATIONS): Likewise.
9918 * system.h (strsignal): Prototype it, if necessary.
9919 (sys_siglist): Declare it, if necessary.
9921 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9923 * loop.c (move_movables): While removing insn sequences, preserve
9924 the next pointer of the most recently deleted insn when we skip
9927 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
9929 * objc/config-lang.in: Do not output the name of the selected
9930 thread file when building the front-end. The Makefile for the
9931 runtime library will do this.
9933 * objc/Make-lang.in: Do not build the runtime library or install
9934 the Objective C header files. The Makefile for the runtime
9935 library will do this.
9937 * objc/Makefile.in (all.indirect): Only build the front-end.
9938 (compiler): Rename to `frontend'.
9939 (obj-runtime): Remove target.
9940 (copy-headers): Likewise.
9941 (clean): No need to remove `libobjc.a' any longer.
9943 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
9945 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
9946 supported with -mcpu=xxx.
9948 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9950 * flow.c (mark_set_1): Recognize multi-register structure return
9951 values in CALL insns.
9952 (mark_used_regs): Likewise.
9953 (count_reg_sets_1): Likewise.
9954 (count_reg_references): Likewise.
9955 * rtlanal.c (note_stores): Likewise.
9956 (reg_overlap_mentioned_p): Likewise.
9957 * haifa-sched.c (check_live_1): Likewise.
9958 (update_live_1): Likewise.
9959 (sched_analyze_1): Likewise.
9960 (sched_note_set): Likewise.
9961 (birthing_insn_p): Likewise.
9962 (attach_deaths): Likewise.
9964 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
9967 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
9969 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
9971 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9973 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
9975 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9977 * configure.in: Add check for GAS subsection -1 support.
9978 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
9979 * configure config.in: Rebuilt.
9980 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
9981 SImode is subsection -1 works, else use DImode.
9982 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
9983 subsection -1 works.
9984 * config/sparc/sparc.c (sparc_output_addr_vec,
9985 sparc_output_addr_diff_vec): Use them if defined.
9987 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
9989 * tree.h (DECL_ORIGIN): New macro.
9990 * integrate.c (copy_and_set_decl_abstract_origin): New function.
9991 (copy_decl_list): Use it.
9992 (integrate_parm_decls): Likewise.
9993 (integrate_decl_tree): Likewise.
9994 * dwarf2out.c (decl_ultimate_origin): Simplify.
9995 * dwarfout.c (decl_ultimate_origin): Likewise.
9996 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
9997 (pushdecl): Likewise.
9999 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
10001 * config/rs6000/rs6000.c (output_epilog): Add Java support.
10003 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
10005 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
10007 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
10009 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
10010 empty or has a single entry.
10012 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
10013 before calling reg_to_stack.
10015 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
10017 * alpha.c (alphaev5_insn_pipe): Abort on default case.
10018 (alphaev5_next_group): Swallow CLOBBERs and USEs.
10020 * c-tree.h (warn_long_long): Declare it.
10022 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
10024 * emit-rtl.c (gen_lowpart_common): Disable optimization of
10025 initialized float-int union if the value is a NaN.
10027 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
10029 * c-lex.c (real_yylex): Don't warn about long long constants if
10030 we're allowing long long
10032 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10034 * except.h (current_function_eh_stub_label): Declare.
10035 (current_function_eh_old_stub_label): Declare.
10036 * function.h (struct function): New members eh_stub_label and
10038 * except.c (current_function_eh_stub_label): New variable.
10039 (current_function_eh_old_stub_label): New variable.
10040 (init_eh_for_function): Clear them.
10041 (save_eh_status): Save them.
10042 (restore_eh_status): Restore them.
10043 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
10044 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
10045 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
10046 make an edge from the block that contains it to the block starting
10047 with the label if this label is one of the eh stub labels.
10048 If eh stub labels exist, show they are reachable from the last block
10051 * reload1.c (reload): Break out several subroutines and make some
10053 (calculate_needs_all_insns): New function, broken out of reload.
10054 (calculate_needs): Likewise.
10055 (find_reload_regs): Likewise.
10056 (find_group): Likewise.
10057 (find_tworeg_group): Likewise.
10058 (something_needs_reloads): New global variable, formerly in reload.
10059 (something_needs_elimination): Likewise.
10060 (caller_save_spill_class): Likewise.
10061 (caller_save_group_size): Likewise.
10062 (max_needs): Likewise.
10063 (group_size): Likewise.
10064 (max_groups): Likewise.
10065 (max_nongroups): Likewise.
10066 (group_mode): Likewise.
10067 (max_needs_insn): Likewise.
10068 (max_groups_insn): Likewise.
10069 (max_nongroups_insn): Likewise.
10070 (failure): Likewise.
10072 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
10074 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
10076 * loop.c (load_mems): Copy rtx for output mem.
10078 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
10080 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
10081 mips1 or mips2 either.
10083 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
10085 * pa.c (pa_reorg): New marking scheme for jumps inside switch
10087 (pa_adjust_insn_length): Update to work with new marking scheme
10088 for jumps inside switch tables.
10089 * pa.md (switch_jump): Remove pattern.
10090 (jump): Handle jumps inside jump tables.
10092 * Makefile.in (profile.o): Depend on insn-config.h
10094 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
10096 * iris6.h (DWARF2_UNWIND_INFO): Undef.
10098 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10100 Add preliminary native sparcv9 Solaris support.
10101 * configure.in: Recognize sparv9-*-solaris2*
10102 * configure: rebuilt
10103 * config.sub: Recognize sparcv9 just like sparc64.
10104 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
10105 config/sparc/sol2-cn.asm: Macroize so it can be shared between
10106 32-bit and 64-bit Solaris systems.
10107 * config/sparc/t-sol2: Assemble those with cpp.
10108 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
10109 (*TF*_LIBCALL): If ARCH64 use V9 names.
10110 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
10112 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10114 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
10115 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
10117 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
10119 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
10120 to Pmode if CASE_VECTOR_MODE is something else.
10122 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
10124 * prefix.c (update_path): Correctly handle cases where PATH is
10125 a substring of the builtin prefix, but specifies a different
10126 directory location.
10128 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
10130 * expr.c: Corrected comment about what MOVE_RATIO does.
10131 * config/alpha/alpha.h: Ditto.
10132 * config/1750a/1750a.h: Ditto.
10133 * config/clipper/clipper.h: Ditto.
10134 * config/i386/i386.h: Ditto.
10136 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
10138 * configure.in (m68k-next-nextstep3*): Use collect2.
10139 Similarly for x86 NeXT configurations.
10140 * configure: Rebuilt.
10142 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
10144 * configure.in: Don't assume srcdir is .../gcc
10145 * configure: Rebuilt.
10147 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
10149 * global.c: Update comments.
10150 (global_alloc): Assign allocation-numbers
10151 even for registers allocated by local_alloc in case
10152 they are later spilled and retry_global_alloc is called.
10153 (mark_reg_store, mark_reg_clobber,
10154 mark_reg_conflicts, mark_reg_death): Always record a
10155 conflict with a pseudo register even if it has been
10156 assigned to a hard register.
10157 (dump_conflicts): Don't list pseudo registers already assigned to
10158 a hard register as needing to be allocated, but do list their
10160 * local-alloc.c: Update comment.
10162 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
10164 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
10165 * configure: Rebuilt.
10167 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
10169 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
10171 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
10172 for all targets that set -msoft-float.
10174 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10176 * toplev.c (print_switch_values): Make static to match prototype.
10178 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
10180 * configure.in: If we are unable to find the "gnatbind" program,
10181 then do not configure the ada subdir.
10182 * configure: Rebuilt.
10184 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
10186 * version.c: Bump for snapshot.
10188 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
10190 * version.c: Bump for snapshot.
10192 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10194 * Makefile.in (toplev.o): Depend on $(EXPR_H).
10195 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
10197 * gansidecl.h: Define ATTRIBUTE_NORETURN.
10199 * genattrtab.c: Have insn-attrtab.c include toplev.h.
10201 * genextract.c: Have insn-extract.c include toplev.h.
10203 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
10205 * toplev.c: Include expr.h.
10206 (really_sorry, fancy_abort): Remove prototypes.
10207 (set_target_switch): Add argument in prototype.
10208 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
10209 (v_really_sorry): Likewise.
10210 (print_version, print_single_switch, print_switch_values): Make
10211 static and add prototype arguments.
10212 (decl_printable_name): Add prototype arguments.
10213 (lang_expand_expr_t): New typedef.
10214 (lang_expand_expr): Declare as a lang_expand_expr_t.
10215 (incomplete_decl_finalize_hook): Add prototype argument.
10216 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
10217 (botch): Likewise for variable `s'.
10218 (rest_of_type_compilation): Mark variables `type' and `toplev'
10219 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
10220 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
10221 (display_help): Make variable `i' an `unsigned long'.
10222 (main): Remove unused parameter `envp'.
10223 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
10224 Cast -1 when comparing it with a `size_t'.
10226 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
10227 prototype with ATTRIBUTE_NORETURN.
10228 (fatal_insn_not_found, fatal_insn, really_sorry,
10229 push_float_handler, pop_float_handler): Add prototypes.
10230 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
10231 (do_abort, botch): Add prototypes.
10233 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
10235 * final.c (final): If a label is reached only from a single jump,
10236 call NOTICE_UPDATE_CC on the jump and its predecessor before
10237 emitting the insn after the label.
10239 * i386.h: Add AMD K6 support.
10240 Change TARGET_* macros to use table lookup.
10241 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
10242 (ADJUST_COST): Change definition to call function in i386.c.
10243 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
10244 * i386.c: Add AMD K6 support.
10245 Add constants for feature tests used by TARGET_* macros.
10246 (split_di): If before reload, call gen_lowpart and gen_highpart.
10247 (x86_adjust_cost): New function.
10248 (put_jump_code): New function.
10249 (print_operand): New codes 'D' and 'd'.
10250 * i386.md: New insn types. New insn attribute "memory".
10251 Redefine scheduling parameters to use new types and add AMD K6
10252 support. Explicitly set type of most insns.
10253 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
10254 Pro and K6 prefer movl $1,reg to incl reg.
10255 (adddi3, subdi3): Set cc_status.
10256 (DImode shift patterns): Change label counters from HOST_WIDE_INT
10257 to int; x86 can't have more than 2^31 DImode shifts per file.
10258 (setcc): Combine all setcc patterns. Allow writing memory.
10259 Combine all jump patterns using match_operator.
10260 (*bzero): Name pattern. Emit mutliple stos instructions when that
10261 is faster than rep stos.
10262 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
10265 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
10267 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
10270 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
10272 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
10273 not whatever we're generating now.
10275 * alpha.c (set_frame_related_p, FRP): New.
10276 (alpha_expand_prologue): Mark frame related insns.
10277 (alpha_expand_epilogue): Likewise, but with a null FRP.
10278 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
10279 * alpha.md (exception_receiver): New.
10280 * alpha/crtbegin.asm (.eh_frame): New beginning.
10281 (__do_frame_setup, __do_frame_takedown): New.
10282 * alpha/crtend.asm (.eh_frame): New ending.
10283 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
10284 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
10285 (ASM_FILE_START): Don't emit .file for dwarf2.
10287 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
10288 * rtl.c (reg_note_name): Likewise.
10289 * rtl.texi (REG_NOTES): Likewise.
10290 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
10293 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
10295 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
10296 * i386.md (movsf, movdf, movxf): Validate memory address returned
10297 from force_const_mem. Kill useless REG_EQUAL setting code.
10299 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
10301 * m68k.md (zero_extendsidi2): Fix typo.
10303 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
10305 * configure.in: Removed references to the removed file
10306 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
10307 * arm*-*-netbsd* and ns32k-*-netbsd*.
10308 * config/i386/xm-netbsd.h: Removed unnecessary file.
10309 * config/m68k/xm-netbsd.h: Likewise.
10310 * config/sparc/xm-netbsd.h: Likewise.
10311 * config/mips/xm-netbsd.h: Likewise.
10313 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
10315 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
10316 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
10318 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
10319 for exact section attributions.
10321 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
10323 * i386/crtdll.h (CPP_PREDEFINES): Define.
10325 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
10327 * m68k.md (5200 movqi): Do not allow byte sized memory references
10328 using address regs.
10329 * m68k.c (output_move_qimode): Do not use byte sized operations on
10332 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
10333 explicit rules for building. Similarly for alloca, vfprintf,
10334 choose-temp and mkstemp, getopt, getopt1, and obstack.
10335 (INCLUDES): Add $(srcdir)/../include.
10336 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
10337 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
10339 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
10341 * gcc.c (do_spec_1): [case 'o'] Account for
10342 lang_specific_extra_outfiles.
10343 (main): Correctly clear all slots in outfiles for
10344 lang_specific_extra_outfiles. Set input_file_number before
10345 calling lang_specific_pre_link.
10347 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
10349 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
10351 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10353 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
10355 (sparc_output_deferred_case_vectors): If no work to do, return.
10356 Fix thinko in Sept 1 change.
10358 1998-09-03 SL Baur <steve@altair.xemacs.org>
10360 * Makefile.in: add semicolon in BISON definition for portability.
10362 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
10364 * config/nextstep.c (handle_pragma): Correct name of third
10367 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
10369 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
10370 * config/m32r/m32r.h: Make register 17 be fixed.
10371 * config/m32r/m32r.c: Use SImode for cc operations.
10373 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
10375 * invoke.texi (Warning Options): Add -Wnon-template-friend
10378 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
10380 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
10382 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
10384 * rs6000.md (movsf): Disable explicit secondary-reload-like
10385 functionality if TARGET_POWERPC64.
10386 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
10389 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
10391 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
10392 and term.h from fixinc.wrap.
10394 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10396 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
10397 safe to include both string.h and strings.h together.
10398 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
10399 which headers to search for function declarations. Continue to
10400 prefer string.h over strings.h when both are not acceptable.
10402 * acconfig.h (STRING_WITH_STRINGS): Add stub.
10404 * configure.in: Call GCC_HEADER_STRING.
10406 * system.h: Test STRING_WITH_STRINGS when deciding which headers
10407 to include. Continue to prefer string.h over strings.h when both
10408 are not acceptable.
10410 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10412 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
10413 not assume top 32-bits of symbolic addresses are zero if
10416 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
10418 * ginclude/va-alpha.h: Protect entire second portion of the
10419 file against double inclusion.
10421 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
10423 Added support for the Boehm's garbage collector.
10424 * configure.in: Handle --enable-objc-gc.
10425 * configure: Rebuilt.
10426 * Makefile.in (CHECK_TARGETS): Add check-objc.
10427 (check-objc): New rule.
10428 * objc/Make-lang.in: Build a different Objective-C library that
10429 runs with the Boehm's collector.
10430 * objc/encoding.c (objc_round_acc_size_for_types): New function.
10431 * objc/encoding.c: Correctly compute the size of compound types in
10432 the presence of bitfields. Skip the variable name of the type if
10433 any. Added support for long long.
10434 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
10435 (_F_GCINVISIBLE): New mask.
10436 * objc/gc.c: New file. Compute the type memory mask associated with
10437 a class based on the runtime information.
10438 * objc/misc.c: Added the hooks that use the Boehm's collector
10439 allocation functions.
10440 * objc/objc-act.c (build_class_template): Generate a new class
10441 member (gc_object_type) to hold the class' type memory mask.
10442 (build_shared_structure_initializer): Initialize the new member to
10444 (encode_complete_bitfield): New function. Generate the new
10446 (encode_field_decl): Generate the new encoding only for the GNU
10448 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
10450 (class_get_gc_object_type): New function to mark a pointer instance
10451 variable as a weak pointer.
10452 * objc/objc-features.texi: New file.
10453 * objc/objc.h (gc_object_type): New class member.
10454 * objc/objects.c (class_create_instance): Create a typed memory
10455 object when compiled with Boehm's collector support.
10456 * objc/sendmsg.c (__objc_init_install_dtable): Call
10457 __objc_send_initialize instead of setting the initialize flag.
10458 (__objc_send_initialize): Call __objc_generate_gc_type_description
10459 to generate the class type memory mask. Rewrite the code that
10460 sends the +initialize so that it is called only once (bug report
10461 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
10462 * testsuite/objc: New testsuite for Objective-C type encoding.
10463 * testsuite/lib/objc-torture.exp: New file.
10464 * testsuite/lib/objc.exp: New file.
10466 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
10468 * jump.c (jump_optimize): In if/then/else transformations, add
10469 another call to modified_between_p for the jump insn.
10471 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
10473 * fix-header.c (symlink): Treat like readlink.
10475 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10477 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
10480 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
10482 * config/nextstep.h: Update HANDLE_PRAGMA macro.
10483 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
10484 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
10486 * config/nextstep.c (handle_pragma): Take three arguments, as per
10487 the new HANDLE_PRAGMA macro specification.
10488 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
10489 per the new HANDLE_PRAGMA macro specification.
10490 * config/i960/i960.c (process_pragma): Take three arguments, as
10491 per the new HANDLE_PRAGMA macro specification.
10493 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
10495 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
10496 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
10497 if unknown pragmas are encountered.
10498 (handle_sysv_pragma): Interpret return code from
10499 handle_pragma_token (). Return success/failure indication rather
10500 than next unprocessed character.
10501 (pragma_getc): New function: retrieves characters from the
10502 input stream. Defined when HANDLE_PRAGMA is enabled.
10503 (pragma_ungetc): New function: replaces characters back into the
10504 input stream. Defined when HANDLE_PRAGMA is enabled.
10506 * c-pragma.c (handle_pragma_token): Return success/failure status
10509 * c-pragma.h: Change prototype of handle_pragma_token().
10511 * varasm.c: (handle_pragma_weak): Only create this function if
10512 HANDLE_PRAGMA_WEAK is defined.
10514 * c-common,c (decl_attributes): If defined call the expression
10515 contained within the INSERT_ATTRIBUTES macro before adding
10516 attributes to a decl.
10518 * tm.texi (HANDLE_PRAGMA): Document the new verion of
10519 HANDLE_PRAGMA, which takes three arguments.
10520 (INSERT_ATTRIBUTES): Document this new macro.
10522 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
10523 new INSERT_ATTRIBUTES macro.
10525 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10527 * config/sparc/sparc.md (movdf): Only generate special RTL for
10528 LABEL_REFs when PIC.
10529 (move_label_di): Remove
10530 (movdi_pic_label_ref, movdi_high_pic_label_ref,
10531 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
10532 references when PIC.
10533 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
10534 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
10535 output an .xword for all 64-bit cases.
10537 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10539 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10540 alignment, use FUNCTION_BOUNDARY instead.
10541 (sparc_output_deferred_case_vectors): Likewise.
10543 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10545 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10546 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10548 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10550 * alpha/va_list.h: New file.
10551 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10553 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10555 * NEWS: Add SCO Openserver and Unixware 7 notes.
10559 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10561 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10562 (record_constant_1): Handle RANGE_EXPR.
10564 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10566 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
10567 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
10568 and NOTE_INSN_RANGE_END specially.
10569 (reemit_notes): Likewise.
10571 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10573 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
10574 (ultrasparc_sched_init): Remove unneeded &.
10576 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10578 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
10579 for m68020-60, to prevent the use of fintrz.
10581 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
10583 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
10585 * Makefile.in: Likewise.
10586 * configure: Regenerated.
10588 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
10590 * configure.in (gxx_include_dir): Changed to
10591 '${prefix}/include/g++'-${libstdcxx_interface}.
10592 * configure: Rebuilt.
10594 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
10596 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
10598 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
10599 *sequences* *below* which scalar moves will be used.
10601 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
10603 * collect2.c (mktemp): Delete unused declaration.
10605 * config/xm-netbsd.h: Remove unnecessary file.
10606 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
10607 file anymore, it is not needed.
10609 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
10611 * convert.c (convert_to_integer): Issue an error on conversions to
10614 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
10616 * Makefile.in: Add lang_tree_files and gencheck.h.
10617 * configure.in: Generate them.
10618 * gencheck.c: Include gencheck.h.
10620 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10622 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
10623 movdi_lo_sum_pic and movdi_high_pic and make visible.
10624 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
10625 emit these when Pmode is not SImode.
10626 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
10628 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
10630 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
10631 .linkonce directive after the first time.
10633 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
10635 * m68k.md (beq0_di): Generate correct (and more efficient) code when
10636 the clobbered operand overlaps with an input.
10637 (bne0_di): Similarly.
10639 * Makefile.in (INSTALL): Remove "--no-header" argument.
10641 * NEWS: Various updates.
10643 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10645 * config/sparc/sparc.c (arith_operand, const64_operand,
10646 const64_high_operand, arith_double_4096_operand): Mark mode as
10648 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
10650 (sparc_emit_set_const64): Remove unused variable i.
10651 (sparc_splitdi_legitimate): Likewise for addr_part.
10652 (ultra_code_from_mask): Likewise for mask.
10653 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
10654 reverse return values so it matches usage and comments.
10655 (ultra_flush_pipeline): Likewise.
10656 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
10657 this_type, and allow loads and stores of differing FP modes as
10658 they do not create a conflict.
10659 (ultra_find_type): Initialize fpmode to SFmode, fix
10660 parenthesization thinkos in large conditional.
10661 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
10662 Init free_slot_mask after ultra_cur_hist is reset, not before.
10663 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
10664 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
10665 use ultra_flush_pipeline instead, then re-init group pointer.
10666 Fix statement with no effect. If no progress made in, and no
10667 instructions scheduled at all, advance to new pipeline cycle else
10668 we get into an endless loop.
10669 (ultrasparc_adjust_cost): Remove previous arg.
10670 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
10672 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
10674 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
10675 code. Use reg_overlap_mentioned_p to detect when source and
10676 destination overlap.
10677 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
10679 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
10681 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
10682 COMPARISON_VAL, into invariant_p.
10684 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10686 * regmove.c (regclass_compatible_p): New function.
10687 (regmove_optimize): Use it.
10689 Use NREGS parameter insted of calling max_reg_num.
10691 (fixup_match_1): Don't use code = MINUS when later tieing with
10692 a hard register is likely.
10694 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10696 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
10697 COMPARISON_VAL was normalized.
10699 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
10701 * loop.c (check_dbra_loop): The loop ending comparison value
10702 must be an invariant or we can not reverse the loop.
10704 * loop.c (scan_loop): Count down from max_reg_num - 1 to
10705 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
10707 (load_mems_and_recount_loop_regs_set): Likewise.
10709 * i386.c (print_operand): Remove obsolete 'c' docs.
10711 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
10713 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
10714 * frame.c (init_object_mutex): New function.
10715 (init_object_mutex_once): Likewise.
10716 (find_fde): Call it.
10717 (__register_frame_info): Likewise.
10718 (__register_frame_info_table): Likewise.
10719 (__deregister_frame_info): Likewise.
10721 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
10723 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
10725 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10727 * loop.c (check_dbra_loop): Enable code for reversal
10728 of some loops without a known constant loop end.
10730 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
10732 * haifa-sched.c (last_clock_var): New.
10733 (schedule_block): Initialize it.
10734 (schedule_insn): Use it to fill insn modes with issue information.
10736 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
10737 Tag trapb and next insn with TImode.
10738 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
10739 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
10740 Invoke alphaev5_align_insns as appropriate.
10741 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
10742 (MD_SCHED_VARIABLE_ISSUE): New.
10743 * alpha.md (attr type): Add multi.
10744 (define_asm_attributes): New.
10745 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
10746 (arg_home): Likewise.
10747 (fnop, unop, realign): New.
10749 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
10751 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
10752 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
10754 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
10755 (rs6000-ibm-aix4.[12]*): Likewise.
10756 * configure: Regnerate.
10758 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
10760 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
10761 already contains the return address.
10763 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
10765 * calls.c (expand_call): Use bitfield instructions to extract/deposit
10766 word sized hunks when loading unaligned args into registers.
10768 * haifa-sched.c (sched_analyze_insn): Only create scheduling
10769 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
10771 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
10773 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10775 * loop.c (check_dbra_loop): Add some code that would allow reversal
10776 of some loops without a known constant loop end if it were enabled.
10778 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
10780 * mips.md (lshrsi3_internal2+2): Fix type-o.
10782 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10784 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
10785 correctly with regards to stdio.h.
10787 * calls.c: Remove stdarg.h/varargs.h.
10788 * cccp.c: Likewise.
10789 * cexp.y: Likewise.
10790 * combine.c: Likewise.
10791 * cpperror.c: Likewise.
10792 * cpplib.c: Likewise.
10793 * cpplib.h: Likewise.
10794 * doprint.c: Likewise.
10795 * emit-rtl.c: Likewise.
10796 * final.c: Likewise.
10797 * fix-header.c: Likewise.
10799 * genattr.c: Likewise.
10800 * genattrtab.c: Likewise.
10801 * gencodes.c: Likewise.
10802 * genconfig.c: Likewise.
10803 * genemit.c: Likewise.
10804 * genextract.c: Likewise.
10805 * genflags.c: Likewise.
10806 * genopinit.c: Likewise.
10807 * genoutput.c: Likewise.
10808 * genpeep.c: Likewise.
10809 * genrecog.c: Likewise.
10810 * mips-tfile.c: Likewise.
10811 * prefix.c: Likewise.
10812 * protoize.c: Likewise.
10813 * regmove.c: Likewise.
10814 * toplev.c: Likewise.
10815 * tree.c: Likewise.
10817 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10819 * config/sparc/sparc.c (sparc_override_options): If not
10820 TARGET_FPU, turn off TARGET_VIS.
10821 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
10822 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
10823 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
10824 (movdi_insn_sp64): Add VIS fzero alternative.
10825 (clear_sf, clear_df): New VIS patterns.
10826 (movsf, movdf expanders): Allow fp_zero_operand flat out when
10828 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
10830 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
10832 * loop.c (n_times_set, n_times_used, may_not_optimize,
10833 reg_single_usage): Convert to varrays. All uses changed.
10834 (insert_loop_mem): Return a value.
10835 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
10836 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
10839 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
10842 * configure.in: Do not set thread_file to "irix" since no such
10843 support exists yet.
10845 * sparc.md (float abs/neg splits): Check reload_completed before
10846 calling alter_subreg.
10848 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10850 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
10852 * config/sparc/sparc.h: Declare it.
10853 * config/sparc/sparc.md (float abs/neg splits): Use it.
10854 (all other splits): Handle SUBREGs properly where necessary.
10855 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
10857 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
10859 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
10860 an insn on the unfilled_slots_list that has no delay slots.
10861 (fill_eager_delay_slots): Similarly.
10863 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
10865 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
10866 as an ordinary operand.
10868 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
10870 * tree.c (valid_machine_attribute): Don't apply attributes to both
10873 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
10875 * reload.c (operands_match_p): Handle rtvecs.
10877 * i386.c (legitimate_pic_address_disp_p): New.
10878 (legitimate_address_p): Use it.
10879 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
10880 Handle constant pool symbols just like statics.
10881 (emit_pic_move): Use Pmode not SImode for clarity.
10882 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
10883 [UNSPEC]: New, handling what we killed above.
10884 [PLUS]: Detect and abort on invalid symbol arithmetic.
10885 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
10887 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
10889 * alias.c: Include output.h.
10890 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
10891 different if we're in a varargs function.
10892 * Makefile.in (alias.o): Depend on output.h
10894 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10896 * sh.h (GIV_SORT_CRITERION): Delete.
10898 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
10900 * regclass.c (regclass): Use xmalloc/free instead of alloca.
10901 * stupid.c (stupid_life_analysis): Ditto.
10902 * reload1.c (reload): Ditto.
10904 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10906 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
10907 arith_double_4096_operand, arith_double_add_operand): New
10909 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
10910 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
10911 them to transform add/sub 4096 into add/sub -4096.
10913 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10915 * loop.c (scan_loop): Allocate some slop to handle pseudos
10916 generated by move_movables.
10917 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
10920 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
10922 * tree.def (DECL_RESULT): Correct documentation.
10924 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10926 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
10927 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
10928 conflicts will all RELOAD_FOR_OUTPUT reloads.
10930 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
10931 loads the function result, substitute with a USE.
10933 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
10935 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
10936 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
10937 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
10938 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
10939 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
10940 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
10942 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
10943 'o' to 'm' for GPR variant constraints.
10945 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
10947 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
10949 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
10951 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
10952 when the source and destination overlap.
10954 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
10955 clash with global type.
10957 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
10959 * fixinc.irix: Add curses.h handling from fixinc.wrap.
10961 * c-common.c (combine_strings): Also set TREE_READONLY.
10962 Change warn_write_strings to flag_const_strings.
10963 * c-decl.c, c-tree.h: Likewise.
10965 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10967 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
10968 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
10969 sequence, use SET/IOR instead so CSE can see it.
10970 * config/sparc/sparc.md (movhi_const64_special,
10971 movsi_const64_special): New patterns necessitated by that change.
10972 (movhi_high): Remove.
10973 (movhi_lo_sum): Change to match an IOR.
10974 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
10975 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
10976 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
10977 (movdf splits): Allow when not V9 or when not ARCH64 and integer
10978 registers are involved.
10979 (snesi_zero_extend split): Remove reload_completed test.
10980 (unnamed plus and minus zero_extend sidi splits): Add it.
10982 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
10984 * extend.texi: Remove description of extension to explicit
10985 instantiation that is now endorsed by standard C++.
10987 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10989 * config/arc/arc.c (arc_initialize_pic): Remove.
10990 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
10991 nothing on any platform and is invoked by no-one, it does not even
10992 appear in the documentation.
10993 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
10994 * config/sparc/sparc.c (initialize_pic): Likewise.
10995 (find_addr_reg): Remove this as well, no longer referenced after
10998 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
11000 * recog.c (validate_replace_rtx_group): New function.
11001 * recog.h (validate_replace_rtx_group): Declare it.
11002 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
11003 the entire group of substitutions.
11005 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
11007 * loop.c (load_mems): Fix initializers.
11009 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11011 * config/sparc/sparc.md (TFmode splits): Handle destination
11012 registers being referenced in the address correctly.
11014 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
11015 TREE_UNSIGNED, when bitsize of type's mode is larger than
11016 HOST_BITS_PER_WIDE_INT.
11018 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11020 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
11021 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
11022 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
11024 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
11027 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
11029 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
11030 * h8300.h (TINY_DATA_NAME_P): Likewise.
11031 (STRIP_NAME_ENCODING): Handle '&'.
11033 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
11034 register (it could be accessed via an outer SUBREG).
11035 (REG_OK_FOR_BASE_P): Likewwise.
11036 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
11038 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
11041 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
11043 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11045 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
11046 must be offsettable so the splits can be made.
11048 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
11050 * config/i386/winnt.c: Include system.h, not stdio.h to get
11051 sys/param.h pulled in before rtl.h in case the system defines MIN
11054 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
11056 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
11058 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
11060 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
11062 * cpplib.c (cpp_define): Handle macros with parameters.
11064 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
11066 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
11067 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
11068 and DImode 64-bit. Use llong for minimal-toc SFmode and
11069 SYMBOL_REF / LABEL_REF 64-bit.
11070 (output_function_profiler): Use llong for profiler label and ld to
11071 load 64-bit label address.
11073 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
11075 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
11078 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
11080 * version.c: Bump for snapshot.
11082 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
11084 * version.c: Bump for snapshot.
11086 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
11088 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
11090 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
11092 * tm.texi (Misc): Fix typo "teh".
11094 * tm.texi (PIC): Fix typo "PPIC".
11096 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
11097 effect when -O2 and higher.
11098 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
11100 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
11102 * regclass.c: Changed register set documentation to be consistent
11103 with GCC behaviour.
11105 * final.c (final_start_function) Removed redundant test for
11108 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
11110 * rtl.h (rtx_function): New type.
11111 (for_each_rtx): New function.
11112 * rtlanal.c (for_each_rtx): Define it.
11114 * recog.c (change_t): New type.
11115 (change_objects, change_old_codes, change_locs, change_olds):
11117 (changes): New variable.
11118 (validate_change): Dynamically allocate room for more changes, if
11119 necessary. Uses changes array instead of change_objects, etc.
11120 (apply_change_group): Use changes array instead of
11121 change_objects, etc.
11123 * loop.c (loop_mem_info): New type.
11124 (loop_mems): New variable.
11125 (loop_mems_idx): Likewise.
11126 (looop_mems_allocated): Likewise.
11127 (scan_loop): Remove nregs parameter.
11128 (next_insn_in_loop): New function.
11129 (load_mems_and_recount_loop_regs_set): Likewise.
11130 (load_mems): Likewise.
11131 (insert_loop_mem): Likewise.
11132 (replace_loop_mem): Likewise.
11133 (replace_label): Likewise.
11134 (INSN_IN_RANGE_P): New macro.
11135 (loop_optimize): Don't pass max_reg_num() to scan_loop.
11136 (scan_loop): Remove nregs parameter, compute it after any new
11137 registers are created by load_mems. Use INSN_IN_RANGE_P and
11138 next_insn_in_loop rather than expanding them inline. Call
11139 load_mems to load memory into pseudos, if appropriate.
11140 (prescan_loop): Figure out whether or not there are jumps from the
11141 loop to targets other than the label immediately following the
11142 loop. Call insert_loop_mem to notice all the MEMs used in the
11143 loop, if it could be safe to pull MEMs into REGs for the duration
11145 (strength_reduce): Use next_insn_in_loop. Tweak comments.
11147 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
11149 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
11151 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11153 * config/sparc/sparc.c (finalize_pic): Check for the correct
11154 nonlocal_goto_receiver UNSPEC number.
11155 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
11156 making note of this dependency existing in sparc.c
11157 (negtf2_notv9 split): Give NEG SFmode.
11158 (negsf2): Fix insn output string.
11160 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
11162 * c-common.c (decl_attributes): Issue an error if the argument
11163 to alias is not a string.
11165 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
11167 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
11168 pending memory flush list.
11170 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
11172 (try_combine): Allow combining insns with REG_LIBCALL notes.
11174 * expr.c (emit_block_move): Do not call memcpy as a libcall
11175 instead build up a CALL_EXPR and call it like any other
11177 (clear_storage): Similarly for memset.
11179 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
11182 * Makefile.in (cplus-dem.o): Provide explicit rules for building
11185 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
11186 and REG_LIVE_LENGTH as successful substitutions are made.
11188 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11190 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
11191 statement after end of loop label.
11193 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11195 * config/sparc/sparc.c (ultra_types_avail): New variable.
11196 (ultra_build_types_avail): New function to record mask of insn
11197 types in ready list at this cycle.
11198 (ultrasparc_sched_reorder): Call it.
11199 (ultra_find_type): Use it to quicken the search. Also simplif
11200 dependency check, don't use rtx_equal_p because we know exactly
11201 what we are looking for.
11203 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
11205 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
11206 for architecture v4.
11208 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11210 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
11212 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
11213 movdf_const_intreg and helper splits): New patterns to move float
11214 constants into integer registers.
11215 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
11218 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
11221 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
11223 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
11225 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
11226 a BASE_REGS register is needed as an intermediate when copying
11227 a symbolic value into any register class other than BASE_REGS.
11229 * expr.c (move_by_pieces): No longer static. Remove prototype.
11230 * rtl.h (move_by_pieces): Add extern prototype.
11231 * mips.c (expand_block_move): Handle aligned straight line copy by
11232 calling move_by_pieces.
11234 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
11237 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
11239 * stmt.c (expand_end_loop): Tidy. Allow unconditional
11240 jumps out of the loop to be treated as part of the exit test.
11242 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11243 Jeff Law <law@cygnus.com>
11245 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
11246 * cplus-dem.c: Delete.
11248 * Makefile.in (fold-const.o): depend on $(RTL_H).
11250 * fold-const.c: Include rtl.h to get the prototype for
11251 `set_identifier_local_value'.
11253 * loop.c (express_from_1): Remove unused variable `tmp'.
11254 (combine_givs): cast the first argument of bzero to char *.
11256 * toplev.c (display_help): Remove unused variable `looking_for_start'.
11258 * c-decl.c (init_decl_processing): Remove unneeded &.
11260 * alpha.h (alpha_initialize_trampoline): Provide prototype.
11262 * except.c (set_exception_lang_code, set_exception_version_code):
11263 Change parameter from `short' to `int' to avoid using a gcc
11266 * except.h (set_exception_lang_code, set_exception_version_code):
11267 Likewise for prototypes.
11269 * flow.c (count_reg_references): Remove unused variables `regno'
11272 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
11274 * prefix.c (translate_name): Cast the result of `alloca'.
11276 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
11278 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11280 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
11281 Include "toplev.h".
11282 (valid_dbcc_comparison_p): Mark mode argument as unused.
11283 (symbolic_operand): Likewise.
11284 (legitimize_pic_address): Likewise.
11285 (const_uint32_operand): Likewise.
11286 (const_sint32_operand): Likewise.
11287 * sched.c [!INSN_SCHEDULING]: Define only dummy function
11288 schedule_insns and comment out rest of file.
11290 * m68k.c (output_move_simode_const): Use subl to move a zero into an
11292 (output_move_[hq]imode): Likewise.
11294 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
11296 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
11297 * invoke.texi: Corresponding changes.
11299 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
11301 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
11303 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11305 * config/sparc/sparc.c (ultra_code_from_mask,
11306 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11307 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
11308 ultrasparc_sched_init, ultrasparc_variable_issue,
11309 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
11310 functions to describe UltraSPARC pipeline exactly to Haifa.
11311 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
11312 as there is nothing the scheduler can do about it. Indicate that
11313 REG_DEP_OUTPUT's collide. Fixup formatting.
11314 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
11315 divide costs on Ultra for DImode.
11316 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
11318 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
11319 ieuN and add call_no_delay_slot to type list.
11320 (cti function unit): New unit for branches on UltraSPARC.
11321 (subx/addx insns): Set type to misc.
11322 (sidi zero/sign extension insns on arch64): Set type to shift.
11323 (sign_extendhidi2_insn): Set type to sload.
11325 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
11327 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
11328 (output_epilog): Use if != 0 for offset.
11329 (rs6000_fatal_bad_address): Prepare for Intl.
11330 * rs6000.h (rs6000_fatal_bad_address): Declare.
11331 * rs6000.md (movsfcc, movdfcc): Use else if.
11332 (elf_high): Use {liu|lis}.
11333 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
11334 (movsi): Use rs6000_fatal_bad_address.
11336 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
11338 * reload.c (find_equiv_reg): Reject equivalences separated
11339 by a volatile instruction.
11341 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11343 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
11345 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
11347 * alpha.md (movsicc): Fix mode mismatch.
11349 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
11351 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
11353 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
11355 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11357 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
11358 write-only modifier from operand 1 constraint.
11360 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11362 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
11363 emitting a XOR of -1 at the end, emit a NOT instead for combine's
11365 (sparc_emit_set_const64): Likewise, also when computing trailing
11366 bits do not negate low_bits and make fast_int an int.
11368 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
11370 * loop.c (add_label_notes): Do not ignore references to labels
11371 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
11372 * gcse.c (add_label_notes): Similarly.
11374 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
11376 * m68k.md (adddi_dilshr32): One of the operands must be a register.
11377 (adddi_dishl32): Similarly.
11379 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
11381 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
11382 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
11383 * cse.c (cse_basic_block): Add parens to shut up warnings.
11385 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11387 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
11388 sparc_emit_set_const64_longway, const64_is_2insns,
11389 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
11390 in 64-bit constant formation.
11391 * config/sparc/sparc.md (snesi_zero_extend split): Generate
11392 rtl for addx not subx.
11393 (define_insn movdi_const64_special): Make available even when
11394 HOST_BITS_PER_WIDE_INT is not 64.
11395 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
11396 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
11397 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
11398 instances of operand 1 inside a QI subreg.
11399 (xordi3_sp64_dbl): Remove '%' constraint for op1.
11400 (one_cmpldi2_sp64): Fix output string.
11401 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
11403 (unnamed arch64 ashift DI): Truncate shift count if greater than
11406 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11408 * expr.c (store_expr): Don't optimize away load-store pair
11409 when either source or destination have a side effect.
11411 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
11413 * genrecog.c (add_to_sequence): Fatal error if the modes of the
11414 operands of SET are incompatible.
11416 * alpha.md: Fix max and min patterns so modes of SET operands match.
11418 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
11420 * configure.in: Avoid [[ by using test and changequote.
11421 * configure: Rebuild.
11423 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11425 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
11427 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
11428 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
11429 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
11430 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
11431 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
11432 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11433 Fix mismatching modes in SET operands.
11434 (conditional move patterns): Fix formatting.
11435 (unnamed subx arch64 pattern): Remove duplicate insn.
11437 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11439 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11440 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
11441 (input_operand): Fixup test for what we accept for constant
11443 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
11445 (safe_constDI): Remove.
11446 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
11447 gen_safe_XOR64): New functions.
11448 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
11449 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
11451 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
11452 available when HOST_BITS_PER_WIDE_INT is not 64.
11453 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
11454 move before movdi_insn_sp64 pattern.
11455 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
11456 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
11457 symbolic_operand as predicate for second operand.
11458 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
11459 expander): Give set VOIDmode.
11461 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
11463 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
11465 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
11467 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
11469 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
11471 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
11473 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
11475 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
11477 * install.texi: Various SCO OpenServer tweaks.
11479 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
11481 * reload1.c (eliminate_regs_in_insn): Handle another case when
11482 eliminating the frame pointer to the hard frame pointer. Add
11483 missing ep->to_rtx check to one existing case.
11485 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
11487 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
11489 * tree.h: De-conditionalize init_priority code.
11491 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
11492 * collect2.c (NM_FLAGS): Change from -p to -n.
11494 * configure.in: Turn on collect2 for mipstx39-elf.
11495 Handle use_collect2=no properly.
11497 * c-common.c: De-conditionalize init_priority code.
11498 * collect2.c (extract_init_priority, sort_ids): New fns.
11499 (main): Call sort_ids.
11500 Move sequence_number to file scope.
11502 * configure.in: Handle --enable-init-priority.
11503 * c-common.c (attrs): Add A_INIT_PRIORITY.
11504 (init_attributes, decl_attributes): Likewise.
11505 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
11506 * tree.c (get_file_function_name_long): Split out...
11507 (get_file_function_name): ...from here.
11509 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
11511 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
11514 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
11516 * toplev.c (display_help): Add braces to shut up warnings.
11517 * tree.c (simple_cst_equal): Likewise.
11519 * fold-const.c (non_lvalue): Don't deal with null pointer
11521 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11523 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
11524 of any size to a pointer.
11526 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
11528 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
11530 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
11532 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
11533 which will be saved.
11534 * mn10300.md (prologue insn): Only save registers which need saving.
11535 (epilogue insn): Similarly.
11537 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11540 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11542 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11543 VAR_DECL's in gp addressable sections.
11545 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11547 * sparc.c: Change return <exp> to <exp>; return; in functions
11549 * sparc.md: Add empty semicolon statement after final label in
11552 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11554 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11555 addx_extend_sp64, only allow when TARGET_ARCH64.
11556 (define_insn addx_extend_sp32 and split): Version that works when
11558 (define_insn subx_extend): Likewise.
11559 (define_split adddi3 and subdi3 with zero extension): Fixup and
11560 correct bugs when not TARGET_ARCH64.
11562 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11564 * except.c (set_exception_lang_code, set_exception_version_code):
11565 Use prototype-style definition if __STDC__, to match declaration
11568 * genemit.c: Change FAIL and DONE macros not to use loops.
11570 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
11572 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
11573 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
11575 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
11577 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
11579 * README.g77: Update from Craig.
11581 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11583 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
11584 type HOST_WIDE_INT.
11585 (safe_constDI sparc_emit_set_const64_quick1,
11586 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11587 analyze_64bit_constant, const64_is_2insns,
11588 create_simple_focus_bits): Fix some bugs when compiled on real
11590 (function_arg_record_value_3, function_arg_record_value_2,
11591 function_arg_record_value): Add fully prototyped forward decls.
11592 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
11593 to cmpsi_insn and use on both 64 and 32 bit targets.
11594 (define_insn cmpsi_insn_sp64): Remove.
11595 (define_expand zero_extendsidi2): Allow for 32-bit target too.
11596 (define_insn zero_extendsidi2_insn): Rename to
11597 zero_extendsidi2_insn_sp64.
11598 (define_insn zero_extendsidi2_insn_sp32): New pattern and
11599 assosciated forced split for it.
11601 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11603 * config/sparc/sparc.h: Declare them.
11604 (PREDICATE_CODES): Add them.
11605 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
11606 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
11608 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
11610 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
11611 in v9 case as the latter makes the Solaris assembler crash.
11613 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11615 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
11616 for TFmode when !v9. We require offsettable memory addresses.
11617 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
11618 DFmode register number conversions.
11619 * config/sparc/sparc.md (define_split DFmode moves): If register
11620 is a SUBREG do alter_subreg on it before using.
11621 (define_expand movtf): Fixup comment about alignment on v9.
11622 (define_split TFmode moves): Don't use gen_{high,low}part, create
11623 explicit SUBREGs instead.
11625 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
11627 * Makefile.in (mbchar.o): Depend on mbchar.c.
11629 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11630 Richard Henderson <rth@cygnus.com>
11632 Rewrite Sparc backend for better code generation and
11633 improved sparc64 support.
11634 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
11636 * config/sparc/sysv4.h: Likewise.
11637 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
11638 move_operand, v8plus_regcmp_op, emit_move_sequence,
11639 singlemove_string, doublemove_string, mem_aligned_8,
11640 output_move_double, output_move_quad, output_fp_move_double,
11641 move_quad_direction, output_fp_move_quad, output_scc_insn):
11643 (small_int_or_double): New predicate.
11644 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
11645 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
11646 old pic_{sethi,lo_sum}_si patterns.
11647 (mem_min_alignment): New generic function to replace
11648 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
11649 available and can test for arbitrary alignments. All callers
11651 (save_regs, restore_regs, build_big_number,
11652 output_function_prologue, output_cbranch, output_return,
11653 sparc_flat_save_restore, sparc_flat_output_function_prologue,
11654 sparc_flat_output_function_epilogue): Prettify
11656 (output_function_epilogue): Likewise and add code to output
11657 deferred case vectors.
11658 (output_v9branch): Likewise, add new arg INSN and use it to tack
11659 on branch prediction settings. All callers changed.
11660 (print_operand): Likewise and output %l44 for LO_SUMs when
11662 (sparc_splitdi_legitimate): New function to make sure DImode
11663 splits can be run properly when !arch64.
11664 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
11665 Reformat example code in comments.
11666 (set_extends): Remove UNSPEC/v8plus_clear_high case.
11667 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
11668 of deferred case vectors we need to output.
11669 (sparc_defer_case_vector): Record a case vector.
11670 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
11671 sparc_output_deferred_case_vectors): New functions to output them.
11672 (sparc_emit_set_const32): New function to form 32-bit constants in
11673 registers when that requires more than one instruction.
11674 (safe_constDI, sparc_emit_set_const64_quick1,
11675 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11676 analyze_64bit_constant, const64_is_2insns,
11677 create_simple_focus_bits, sparc_emit_set_const64): New functions
11678 which do the same for 64-bit constants when arch64.
11679 (sparc_emit_set_symbolic_const64): New function to emit address
11680 loading for all code models on v9.
11681 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
11682 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
11683 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
11684 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
11685 inaccuracies in comments, add symbolic and text_segment operands
11686 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
11687 GENERAL_REGS in these cases as a temp REG is needed to load these
11688 addresses into a register properly.
11689 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
11691 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
11692 quads are guarenteed to have 16-byte alignment.
11693 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
11694 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
11695 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
11696 deferred case vector implementation.
11697 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
11698 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
11699 Generate "internal label - label" instead of "label - 1b".
11700 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
11701 (PREDICATE_CODES): Remove sparc_operand, move_operand,
11702 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
11704 (doublemove_string, output_block_move, output_fp_move_double,
11705 output_fp_move_quad, output_move_double, output_move_quad,
11706 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
11707 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
11708 (sparc_emit_set_const32, sparc_emit_set_const64,
11709 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
11710 mem_min_alignment, small_int_or_double): Add externs.
11711 * config/sparc/sparc.md: Document the many uses of UNSPEC and
11712 UNSPEC_VOLATILE in this backend.
11713 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
11714 unary to types which execute in it.
11715 (define_function_unit ieu_shift): Rename to ieu0.
11716 (define_function_unit ieu1): New, executes compare, call, and
11717 uncond_branch type insns.
11718 (define_function_units for type fdivs, fdivd, fsqrt): These
11719 execute in the fpu multiply unit not the adder on UltraSparc.
11720 (define_expand cmpdi): Disallow TARGET_V8PLUS.
11721 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
11722 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
11723 allows the arith_double_operand predicate and rHI constraint when
11725 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
11726 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
11727 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
11728 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
11729 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
11730 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
11731 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
11732 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
11733 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
11734 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
11735 sign_extendqihi2_insn, sign_extendqisi2_insn,
11736 sign_extendqidi2_insn, sign_extendhidi2_insn,
11737 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
11738 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
11739 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
11740 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
11741 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
11742 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
11743 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
11744 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
11745 smulsi3_highpart_v8plus, unnamed subreg mult,
11746 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
11747 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
11748 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
11749 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
11750 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
11751 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
11752 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
11753 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
11754 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
11755 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
11756 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
11757 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
11758 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
11759 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
11760 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
11761 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
11762 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
11763 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
11764 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
11765 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
11766 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
11767 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
11768 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
11769 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
11770 call_address_untyped_struct_value_sp32,
11771 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
11772 call_value_symbolic_sp32, call_value_address_sp64,
11773 call_value_symbolic_sp64, branch_sp32, branch_sp64,
11774 flush_register_windows, goto_handler_and_restore,
11775 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
11776 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
11777 return_addsi, return_di, return_adddi, return_sf, all call+jump
11778 peepholes, trap, unnamed trap insns): Prettify output strings.
11779 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
11780 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
11781 Likewise and force + implement splits for integer cases.
11782 (define_insn return_sf_no_fpu): Likewise and allow to match when
11783 no-fpu because of our subreg SFmode splits.
11784 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
11785 zero_extendqidi2_insn, zero_extendhidi2_insn,
11786 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
11787 input_operand for second operand.
11788 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
11789 reg_or_0_operand for operand 2 so new splits can use it.
11790 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
11791 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
11793 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
11794 CONST_DOUBLEs for operand 2.
11795 (define_insn move_label_di): Likewise and label distance
11796 optimization because it no longer works with new deferred case
11797 vector scheme. To be revisited.
11798 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
11799 and allow reg_or_0_operand and J constraint for second operand.
11800 (define_insn jump): Set branch predict taken on V9.
11801 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
11802 new deferred case vector scheme.
11803 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
11804 (define_insn negdi2_sp32): Force + implement splits.
11805 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
11806 one_cmplsi2_not_liveg0 respectively, and create expander of original
11807 names which emit special rtl for TARGET_LIVE_G0.
11808 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
11809 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
11810 gen_compare_reg, FAIL instead.
11811 (define_insn sgtu, sleu): Likewise and check gen_s*() return
11812 values when trying to reverse condition codes, if they FAIL then
11814 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
11815 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
11816 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
11817 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
11818 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
11819 set output string to # to indicate they are mandatory splits.
11820 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
11821 pic_sethi_di, move_pic_label_si): Remove.
11822 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
11823 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
11825 (define_expand movsi_pic_label_ref, define_insn
11826 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
11827 expander and insns to handle PIC label references and deferred
11829 (define_insn get_pc_via_rdpc): Comment out as it is no longer
11831 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
11832 Rewrite to not use emit_move_sequence, make use of new constant
11833 formation code, and new splits for all multi-insn cases.
11834 (define_insn movqi_insn): Remove sethi case, it can never happen.
11835 Use reg_or_zero_operand instead of const0_rtx explicit test,
11836 use input_operand instead of move_operand for source, and use
11837 general_operand now for dest.
11838 (define_insn movhi_insn): Similar but leave sethi case.
11839 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
11840 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
11841 movhi_lo_sum respectively, prettify output string.
11842 (define_insn movsi_zero_liveg0): New pattern to put zero into a
11843 register when needed on TARGET_LIVE_G0.
11844 (define_insn movsi_insn): Use general_operand and input_operand
11845 for dest and src respectively. Simplify applicability test.
11846 Prettify output strings, and add clr alternative for J
11848 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
11849 deprecated std and reg-reg DI moves): Remove and...
11850 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
11851 implementation which uses forced splits for all non-single insn
11853 (define_split DI move cases on !arch64): New splits to handle all
11854 situations of 64-bit double register DImode on 32bit, and
11855 unaligned registers and memory addresses for all subtargets.
11856 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
11858 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
11859 input_operand for dest and src respectively, prettify output
11861 (define_insn movdf_insn, movdf_no_e_insn, store_df,
11862 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
11864 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
11865 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
11866 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
11867 movtf_no_e_insn_sp64) Replace with new
11868 implementation which uses forced splits for all non-single insn
11870 (define_split DF move cases): New splits in similar vein to DI
11872 (define_insn sethi_di_medlow, sethi_di_medium_pic,
11873 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
11874 movdi_sp64_insn): Remove old v9 code model and constant loading
11875 support insns and..
11876 (define_insn pic_lo_sum_di, pic_sethi_di,
11877 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
11878 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
11879 embmedany_sethi, embmedany_losum, embmedany_brsum,
11880 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
11881 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
11882 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
11883 scheme, using unspecs, secondary reloads, and one to one sparc
11884 insn to rtl insn mapping for better scheduling and code gen.
11885 (define_expand reload_indi, reload_outdi): Reload helpers for
11886 MEDANY and EMBMEDANY symbol address loading cases which require a
11887 temporary register.
11888 (define_expand movsicc): Remove v8plus_regcmp cases.
11889 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
11890 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
11891 cmp_diqi_trunc_set): New patterns used by some of the new scc
11893 (define_insn xordi3_sp64_dbl): New pattern used for constant
11894 formation when crossing from 32-bit targets.
11895 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
11897 (define_insn addx, subx): Make visible and prettify.
11898 (define_insn adddi3_insn_sp32): Likewise and force split.
11899 (define_insn addx_extend, subx_extend, unnamed): New patterns for
11900 64bit scc split usage.
11901 (define_insn unnamed plusDI zero_extend, unnamed minusDI
11902 zero_extend, subdi3): Force and implement splits.
11904 * final.c (final_scan_insn): Don't output labels if target
11905 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
11908 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
11909 don't forget to walk inside SEQUENCESs too as these are what the
11910 delay slot scheduler will create.
11912 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
11914 * alpha.md (extxl+1,+2): New patterns to work around
11917 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
11919 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
11920 caused bad assembly code to be generated.
11922 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
11924 * netbsd.h: Fix typo.
11926 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
11928 * config.sub: Fix typo.
11930 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
11932 * invoke.texi (Environment Variables): Typo: Change "ascpects"
11934 (Running Protoize): Typo: Change "ther" into "other".
11936 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
11938 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
11939 * m68k/netbsd.h: Likewise.
11940 * ns32k/netbsd.h: Likewise.
11941 * sparc/netbsd.h: Likewise.
11943 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
11945 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
11946 * ginclude/va-clipper.h (va_list): Likewise.
11948 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
11950 * rs6000.c (rs6000_override_options): If big endian and -Os, use
11951 load/store multiple instructions unless user overrides.
11953 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
11955 * ns32k/netbsd.h: Fix typo.
11957 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
11959 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
11960 labels with .debugsym if no parallel insns.
11962 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
11964 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
11965 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
11967 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
11969 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
11970 (AR_FOR_TARGET): Define.
11972 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
11974 * dyn-string.h: New file.
11975 * dyn-string.c: Likewise.
11976 * Makefile.in (OBJS): Add dyn-string.o.
11977 (dwarf2out.o): Add dyn-string.h dependency.
11978 (dyn-string.o): List dependencies.
11979 * dwarf2out.c: Include dyn-string.h.
11980 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
11981 (addr_const_to_string): Take a dyn_string_t, not a char* as a
11982 prototype. Use dyn_string_append rather than strcat, throughout.
11983 (addr_to_string): Use dyn_string_t.
11985 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
11987 Function entry/exit profiling instrumentation:
11988 * expr.h (profile_function_entry_libfunc,
11989 profile_function_exit_libfunc): Declare new variables.
11990 * optabs.c: Define them here.
11991 (init_optabs): Initialize them.
11992 * tree.h (struct tree_decl): New flag
11993 no_instrument_function_entry_exit.
11994 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
11995 * c-decl.c (duplicate_decls): Merge it.
11996 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
11997 (init_attributes): Use it for "no_instrument_function".
11998 (decl_attributes): Handle it, for functions that have not yet been
11999 compiled. Set decl flag.
12000 * flags.h (flag_instrument_function_entry_exit): Declare new
12002 * toplev.c (flag_instrument_function_entry_exit): Define it here.
12003 (f_options): New option "instrument-functions".
12004 * function.h (struct function): New field instrument_entry_exit.
12005 * function.c (current_function_instrument_entry_exit): New
12007 (push_function_context_to, pop_function_context_from): Save and
12009 (expand_function_start): Set current_ variable, maybe emit return
12010 label and entry profile call.
12011 (expand_function_end): Maybe emit exit profile call.
12013 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
12015 * i386.md (movqi): When optimizing a load of (const_int 1) into a
12016 NON_QI_REG_P, pretend the register is SImode.
12018 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
12020 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
12021 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
12022 manufacturer id for ns32k.
12023 * configure: Regenerated.
12024 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
12025 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
12026 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
12027 * config/m68k/netbsd.h: Same.
12028 * config/ns32k/netbsd.h: Same.
12029 * config/sparc/netbsd.h: Same.
12031 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
12033 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
12034 or UNROLL_COMPLETELY loop that starts with a jump to its
12037 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
12039 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
12040 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
12041 (print_operand, case 'B'): Don't fall through.
12042 (print_operand, case 'S'): Correct mask begin/end computation.
12043 Use HOST_BITS_PER_WIDE_INT.
12044 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
12045 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
12046 * rs6000/aix41.h (CPP_PREDEFINES): Same.
12047 * rs6000/aix43.h (CPP_PREDEFINES): Same.
12049 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
12051 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
12052 constraint from second alternative.
12054 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12056 * configure.in: Fix --without/--disable cases for local-prefix,
12057 gxx-include-dir and checking.
12059 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12061 * configure.in (enable_haifa): Set by default for sparc64 too.
12062 configure: Rebuilt.
12064 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
12066 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
12067 * i386/winnt.c (associated_type): New fn.
12068 (i386_pe_valid_type_attribute_p): New fn.
12069 (i386_pe_check_vtable_importexport): Remove.
12070 (i386_pe_dllexport_p): Use associated_type.
12071 (i386_pe_dllimport_p): Likewise.
12073 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
12074 * i386.c (i386_valid_type_attribute_p): Also accept
12075 attributes for METHOD_TYPEs.
12077 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
12079 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
12081 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
12083 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
12085 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
12086 them from generating a new base name for each occurence of
12089 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
12091 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
12093 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
12097 * cplus-dem.c (type_kind_t): New type.
12098 (demangle_template_value_parm): Add type_kind_t parameter. Rely
12099 on this paramter, rather than demangling the type again.
12100 (demangle_integral_value): Pass tk_integral.
12101 (demangle_template_: Pass the value returned from do_type.
12102 (do_type): Return a type_kind_t. Pass tk_integral to
12103 demangle_template_value_parm for array bounds.
12104 (demangle_fund_type): Likewise.
12106 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
12108 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
12111 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
12113 * pa.c (move_operand): Accept CONSTANT_P_RTX.
12115 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
12117 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
12119 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
12122 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
12124 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
12125 (DEBUGGER_ARG_OFFSET): Likewise.
12127 * mn10300.md (movsf): Remove last change. Not needed.
12129 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
12131 * c-lex.c (yylex): Fix boundary conditions in character literal and
12132 string literal loops.
12134 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
12136 * longlong.h (count_leading_zeros): Sparclite scan instruction was
12137 being invoked incorrectly.
12139 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
12140 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
12142 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
12143 * configure.in: Added i[34567]86-*-win32
12144 * config.sub: Ditto.
12145 * configure: Rebuilt.
12147 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
12149 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
12150 the frame pointer and compiling PIC code and reload has not completed.
12152 * i386.c (output_to_reg): Add code to emulate non-popping DImode
12155 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
12157 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
12159 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12161 * Makefile.in (install-info): Only try to update the info
12162 directory file if it exists in the first place.
12164 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
12166 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
12168 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
12170 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
12171 CONST_DOUBLE source.
12173 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
12175 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
12176 strings as the insertion of USER_LABEL_PREFIX.
12177 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
12179 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
12182 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
12184 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
12185 already defined type.
12187 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
12189 * expr.c (check_max_integer_computation_mode): Allow conversions
12190 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
12191 (expand_expr): Likewise.
12193 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12195 * expr.c (expand_expr): Expand RETURN_EXPR.
12197 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
12199 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
12201 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
12203 * dwarf2out.c (output_aranges): Call stripattributes
12204 for TEXT_SECTION references.
12205 (output_line_info): Likewise.
12207 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12209 * profile.c (branch_prob): Call allocate_reg_info after outputting
12210 profile rtl in instrument_arcs.
12212 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
12214 * fixinc.irix (math.h): Install wrapper instead of copying.
12216 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12218 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
12219 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
12220 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
12221 lang_flag_0. Added documentation in the flag table.
12223 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
12225 * cccp.c (do_include): Fix vax c style include handling.
12227 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12229 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
12231 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
12233 * fold-const.c (non_lvalue): Don't deal with null pointer
12235 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
12237 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
12239 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
12240 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
12241 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
12242 (u_short_cint_operand): Same.
12243 (reg_or_cint_operand): Same.
12244 (logical_operand): Same.
12245 (input_operand): Same.
12246 (reg_or_short_operand): Use u_short_cint_operand.
12248 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
12250 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
12251 but keep the insns and splits. Adjust so when the ultimate destination
12252 is memory, use cvtql.
12254 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
12256 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
12258 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
12260 * gcc.c (do_spec): Call "error" not "warning".
12262 * configure.in: Fix minor problems with gas feature detection code.
12263 * configure: Rebuilt.
12265 * gcc.c (do_spec): Issue a warning for '%[]' usage.
12267 * Undo this change.
12268 * gcc.c: Delete %[spec] support.
12269 (do_spec_1, case '('): Likewise.
12270 (do_spec_1, case '['): Call error.
12272 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
12274 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
12275 (CPP_SUBTARGET_SPEC): Default to empty string.
12276 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
12277 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
12278 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
12279 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
12281 * alpha/linux.h (CPP_PREDEFINES): Tidy.
12282 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
12283 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
12284 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
12285 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
12286 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
12287 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
12288 * alpha/vxworks.h: Likewise.
12290 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
12292 * mips.md (reload_outsi): Added missing REGNO call.
12293 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
12295 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
12296 another match_operator and compare the codes.
12298 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
12300 * MIPS multiply pattern fixes:
12301 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
12302 Add union classes for HI, LO, or HILO plus general registers.
12303 (GENERATE_MADD): Deleted.
12304 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
12305 Add TARGET_MAD to condition.
12306 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
12307 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
12308 "*d" for accumulator, to give preference to LO initially but not
12311 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
12313 * configure.in (enable_c_mbchar): New configure option.
12314 (extra_cpp_objs): Always available now.
12316 * cexp.y (mbchar.h): #include it.
12317 (yylex): Handle Multibyte characters in character literals.
12319 * cccp.c (mbchar.h): #include it.
12320 (main): Set character set based on LANG environment variable.
12321 (rescan): Handle multibyte characters in comments.
12322 (skip_if_group): See above.
12323 (validate_else): See above.
12324 (skip_to_end_of_comment): See above.
12325 (macarg1): See above.
12326 (discard_comments): See above.
12327 (rescan): Handle multibyte characters in string and character literals.
12328 (collect_expansion): See above.
12329 (skip_quoted_string): See above.
12330 (macroexpand): See above.
12331 (macarg1): See above.
12332 (discard_comments): See above.
12333 (change_newlines): See above.
12335 * c-lex.c (mbchar.h): #include it.
12336 (GET_ENVIRONMENT): New macro.
12337 (init_lex): Set character set based on LANG environment variable.
12338 (yylex): Handle multibyte characters in character literals.
12339 (yylex): Handle multibyte characters in string literals.
12341 * Makefile.in (mbchar.o): New target.
12342 (cccp$(exeext)): @extra_cpp_objs@ is always available.
12343 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
12345 * mbchar.[ch]: New files for multibyte character handling.
12347 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12349 * jump.c (jump_optimize): When simplifying noop moves and
12350 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
12351 the PUSHes to rewrite in second loop as we did in the first.
12353 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12355 * cplus-dem.c (demangle_nested_args): Make function definition
12356 static to match the prototype.
12358 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
12360 * alloca.c: Respect USE_C_ALLOCA.
12361 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
12362 * gengenrtl.c (xmalloc): Likewise.
12364 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
12366 * loop.h (struct induction): Add no_const_addval.
12367 * loop.c (the_movables, reg_address_cost): New variables.
12368 (init_loop): Init reg_address_cost.
12369 (loop_optimize): Call end_alias_analysis.
12370 (scan_loop): Init the_movables.
12371 (record_giv): Init induction->no_const_addval.
12372 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
12373 [REG]: Rearrange loop search test to catch more cases.
12374 (general_induction_var): Return success not benefit; take an extra
12375 argument for that. Change all callers.
12376 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
12377 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
12378 [default]: Search the_movables for additional combinations.
12379 (sge_plus_constant, sge_plus): New functions.
12380 (express_from_1): New function.
12381 (express_from): Always define. Rewrite using express_from_1.
12382 (combine_givs_p): Handle more cases. Ignore address cost.
12383 (cmp_combine_givs_stats): New function.
12384 (combine_givs_used_once, combine_givs_benefit_from): New functions.
12385 (combine_givs): Rewrite to do best-fit combination.
12387 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
12388 (fold): Do a complete (A*C)+(B*C) association check.
12390 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
12392 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
12394 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
12396 * mn10300.c (MODES_TIEABLE_P): Fix typo.
12398 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
12400 * tree.c (valid_machine_attribute): Only create a new type variant if
12401 there is a decl to use it.
12403 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
12405 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
12408 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
12410 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
12413 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
12415 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
12416 Simplify tests for clearing an address register.
12417 (expand_prologue): Corresponding changes.
12419 * mn10300.md (movXX patterns): Make sure the destination is an
12420 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
12421 (logical patterns): Split into expanders + patterns
12422 (zero and sign extension patterns): Similarly.
12423 (shift patterns): Similarly.
12425 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
12427 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
12428 for the sequence, recording base values.
12430 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
12432 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
12434 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
12436 * gcc.c: Remove ANSI-C ism from --help code.
12438 * toplev.c: Support --help with USE_CPPLIB.
12440 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
12442 * configure.in: Rework gas feature code to work with symlink based
12445 * extend.texi: Clarify some issues related to local variables
12446 assigned to explicit registers.
12448 * mn10300.md (mulsi): Turn into expander + pattern.
12450 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
12453 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
12455 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
12457 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
12459 * version.c: Bump again to distinguish mainline tree from the
12462 See ChangeLog.0 for earlier changes.
12465 add-log-time-format: current-time-string
OSDN Git Service
