1 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3 * gcc.c (cpp_options): Set MD file name from output
4 filename, if specified.
5 (suffix_subst): New static variable.
7 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9 (give_switch): Handle suffix_subst.
11 2001-01-10 Phil Edwards <pme@sources.redhat.com>
13 * invoke.texi: Fix another typo.
15 2001-01-10 Phil Edwards <pme@sources.redhat.com>
17 * invoke.texi: Fix typo.
19 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
21 * c-lang.c (lang_hooks): Update.
22 (lang_decode_option): Remove.
23 (lang_init_options): Rename c_init_options.
24 * toplev.c (main): Use lang_hooks for lang_init_options
25 and lang_decode_option.
26 * toplev.h (lang_hooks): Add 2 new hooks.
27 * tree.h: Remove lang_init_options and lang_decode_option.
28 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
29 * cp/decl2.c: Similarly.
30 * cp/lex.c (lang_init_options): Rename cxx_init_options.
32 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
34 (lang_init_options): Rename ffe_init_options.
36 (lang_decode_option): Remove.
37 * java/lang.c (lang_init_options): Rename java_init_options.
38 (lang_decode_option): Rename java_decode_option.
40 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
41 (lang_decode_option): Rename objc_decode_option.
44 2001-01-09 Nick Clifton <nickc@redhat.com>
46 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
47 (d30v_return_addr_rtx): Delete.
48 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
49 cfun->machine structure.
50 (struct machine_function): Move to d30v.h
51 (d30v_save_machine_status): Delete.
52 (d30v_restore_machine_status): Delete.
53 (d30v_init_machine_status): New Function.
54 (d30v_mark_machine_status): New Function.
55 (d30v_free_machine_status): New Function.
56 (d30v_init_expanders): Use new functions.
57 (d30v_return_addr): Use ra_rtx field in cfun->machine.
58 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
61 * config/d30v/d30v.h (struct_machine): Move here.
62 Add eh_epilogue_sp_ofs field.
64 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
65 field in cfun->machine structure.
67 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
69 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
70 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
71 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
73 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
75 * objc/lang-options.h: Remove bogus reference to
78 2001-01-09 Kazu Hirata <kazu@hxi.com>
80 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
83 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
85 * reload.c (find_reloads_address): Check for eliminable registers
86 when substituting a constant expression for a pseudo.
88 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
90 * c-common.c (enum format_type): Add format_type_error.
91 (decode_format_type): New function.
92 (decl_attributes): Use it.
93 (format_kind_info): Adjust comment.
95 2001-01-09 David O'Brien <obrien@BSDi.com>
97 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
98 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
100 * config/i386/gnu.h: Don't include required platform specific .h files,
101 tm.h will do it instead.
102 * config/i386/i386elf.h: Likewise.
103 * config/i386/linux.h: Likewise.
104 * config/i386/moss.h: Likewise.
105 * config/mips/gnu.h: Likewise.
107 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
109 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
110 (rs6000-ibm-aix3.[01]*): Likewise.
111 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
112 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
113 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
114 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
115 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
116 (powerpc-*-eabiaix*): Likewise.
117 (powerpc-*-eabisim*): Likewise.
118 (powerpc-*-elf*): Likewise.
119 (powerpc-*-eabi*): Likewise.
120 (powerpc-*-rtems*): Likewise.
121 (powerpc-*-linux*libc1): Likewise.
122 (powerpc-*-linux*): Likewise.
123 (powerpc-wrs-vxworks*): Likewise.
124 (powerpcle-wrs-vxworks*): Likewise.
125 (powerpcle-*-sysv*): Likewise.
126 (powerpcle-*-elf*): Likewise.
127 (powerpcle-*-eabisim*): Likewise.
128 (powerpcle-*-eabi*): Likewise.
129 (powerpcle-*-solaris2*): Likewise.
130 * config/rs6000/aix31.h: Delete includes.
131 * config/rs6000/aix3newas.h: Likewise.
132 * config/rs6000/aix41.h: Likewise.
133 * config/rs6000/aix43.h: Likewise.
134 * config/rs6000/beos.h: Likewise.
135 * config/rs6000/rtems.h: Likewise.
136 * config/rs6000/sysv4.h: Likewise.
138 2001-01-09 Kazu Hirata <kazu@hxi.com>
140 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
141 Change an argument mode of machine_mode to shift_mode of
142 shift_mode. Remove an extra error check.
143 (emit_a_shift): Adopt to the new calling prototype of
145 (function_prologue): Fix code for a monitor
146 function. Support H8/S.
147 (function_epilogue): Do not output pop for a monitor function.
149 2001-01-09 Nick Clifton <nickc@redhat.com>
151 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
152 (setup_incoming_varargs): Use sysv_varargs_p field of the
153 cfun->machine structure.
154 (struct machine_function): Move to rs6000.h
155 (rs6000_save_machine_status): Delete.
156 (rs6000_restore_machine_status): Delete.
157 (rs6000_init_machine_status): New Function.
158 (rs6000_free_machine_status): New Function.
159 (rs6000_init_expanders): Use new functions.
161 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
163 (struct machine_function): Move here.
165 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
166 sysv_varargs_p field of the cfun->machine structure.
168 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
170 (rs6000_restore_machine_status): Remove prototype.
172 2001-01-09 Richard Henderson <rth@redhat.com>
174 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
175 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
176 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
177 (sched_analyze_2, sched_analyze_insn): Likewise.
178 (sched_analyze, init_deps): Likewise.
179 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
180 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
181 (compute_block_backward_dependences): Update propagate_deps call.
183 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
185 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
187 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
189 * cppinit.c (OPT_MD, OPT_MMD): Restore.
190 (cpp_handle_option): Handle them.
191 (cpp_post_options): Ensure one of -M or -MM is specified with
192 any other -M? option.
193 (init_dependency_output): Suppress output with -MG.
195 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
198 * invoke.texi: Update.
200 2001-01-09 Bernd Schmidt <bernds@redhat.com>
202 * sh.md (reload_outsf): Generate recognizable patterns for
205 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
207 * c-lang.c (lang_hooks): Update.
208 (lang_init): Rename c_init.
209 (lang_finish): Remove.
210 * toplev.c (compile_file): Use lang_hooks for lang_init ()
212 * toplev.h (lang_hooks): Add init () and finish ().
213 * tree.h (lang_init, lang_finish): Remove.
214 * cp/tree.h (lang_init, lang_finish): Remove.
215 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
216 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
218 (lang_init, lang_finish): Remove.
219 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
220 (lang_hooks): Update.
221 * java/lang.c (lang_init): Rename java_init.
222 (lang_finish): Remove.
223 (lang_hooks): Update.
224 * objc/objc-act.c (lang_init): Rename objc_init.
225 (lang_finish): Remove.
226 (lang_hoooks): Update.
228 20001-01-09 Graham Stott <grahams@redhat.com>
230 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
231 after `ptr` is initialised.
233 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
235 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
236 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
237 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
238 stack adjusts, instead of r3.
240 2001-01-09 Michael Hayes <mhayes@redhat.com>
242 * flow.c (flow_loop_scan): Break out of ...
243 (flow_loops_find) ... here.
244 * basic-block.h (flow_loop_scan): New.
245 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
246 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
248 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
250 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
252 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
253 realloc()ing macro_buffer.
255 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
256 if it's wider than long and the target's long is wider than the
259 2001-01-09 Mark Mitchell <mark@codesourcery.com>
261 Remove support for using UWIN as a host machine.
262 * configure.in: Issue an error message.
263 * configure: Regenerated.
264 * config.gcc: Remove xm_* UWIN configury.
265 * config/i386/xm-uwin.h: Remove.
267 2001-01-08 Nick Clifton <nickc@redhat.com>
269 * config/v850/v850.c (ra_rtx): Delete.
270 (v850_save_machine_status): Delete.
271 (v850_restore_machine_status): Delete.
272 (v850_init_machine_status): New function.
273 (v850_mark_machine_status): New function.
274 (v850_free_machine_status): New function.
275 (v850_return_addr): Use ra_rtx field in machine structure.
276 (v850_init_expanders): Use new functions.
278 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
279 * config/v850/v850.c: Change arguments to v850_output+* functions
280 to take a const char *, to avoid compile time warning.
281 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
282 (USER_LABEL_PREFIX): Redefine.
284 2000-01-08 Jim Wilson <wilson@redhat.com>
286 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
287 1 to unsigned HOST_WIDE_INT before left shift.
289 2001-01-08 Nick Clifton <nickc@redhat.com>
291 * config/arm/arm.c (arm_mark_machine_status): Check to see if
292 the machine structure has been allocated.
293 (arm_free_machine_status): New function: Free the machine
294 specific function structure.
296 2001-01-08 Richard Henderson <rth@redhat.com>
298 * jump.c (simplejump_p): Revert last change.
300 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
302 * cppinit.c (init): Rename init_library.
303 (cpp_create_reader): Update.
304 * gcc.c (cpp_options): If -o given, use it as the target of
307 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
309 * arm.c (arm_arch5e): New variable.
310 (all_cores): XScale is a 5TE device.
311 (arm_override_options): Set arm_arch5e.
312 (arm_init_builtins): __builtin_prefetch is in arch5e.
313 * arm.h (arm_arch5e): Declare it.
315 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
317 * arm.md (define_constants): Add defines for UNSPEC and
318 UNSPEC_VOLATILE insns. Update all users.
319 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
320 * arm.c (multi_register_push, note_invalid_constants)
321 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
322 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
323 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
325 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
327 * jump.c (jump_optimize_1): Use reversed_comparison_code
328 instead of can_reverse_comparison_p.
329 (jump_back_p): Likewise.
330 (invert_exp_1): Likewise.
331 (thread_jumps): Likewise.
332 * simplify-rtx.c (simplify_unary_operation): Likewise.
333 (simplify_ternary_operation): Likewise.
334 * cse.c (find_comparison_args): Convert to use
335 can_reverse_comparison_p.
336 (record_jump_equiv): Likewise.
338 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
340 * arm.h (HARD_REGNO_RENAME_OK): Delete.
341 (EPILOGUE_USES): Define.
342 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
343 automatically stack the LR if it isn't live.
345 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
347 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
350 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
352 * ggc-page.c (max_alignment): New structure.
353 (MAX_ALIGNMENT): New macro.
354 (init_ggc): Use it to round up the sizes in the
355 extra_order_size_table.
357 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
359 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
362 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * builtins.def (BUILT_IN_FPRINTF): New entry.
366 * c-common.c (c_expand_builtin_fprintf): New function.
367 (init_function_format_info): Handle __builtin_fprintf.
368 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
369 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
371 * c-decl.c (duplicate_decls): Adjust comment.
373 * extend.texi (fprintf): Document new builtin.
375 2001-01-07 Richard Henderson <rth@redhat.com>
377 * jump.c (simplejump_p): Recognize any single_set jump
380 2001-01-07 Richard Henderson <rth@redhat.com>
382 * configure.in (slibdir): Accept an --with-slibdir option.
383 Use "test" not "[" in configure. Default to $(libdir).
385 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
387 * config/t-aix43 (SHLIB_INSTALL): Likewise.
388 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
389 (SHLIB_LINK): Create links for the soname.
390 * config/mips/t-iris6: Likewise.
391 * config/sparc/t-slibgcc: Likewise.
392 * config/sparc/t-slibgcc-sld: Likewise.
394 2001-01-07 Jakub Jelinek <jakub@redhat.com>
396 * config/i386/i386.c (constant_call_address_operand): Accept
397 (const (plus (symbol_ref) (const_int))).
398 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
399 constant_call_address_operand.
401 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
403 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
404 and LONG_LONG_TYPE_SIZE > 32.
406 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
408 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
411 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
413 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
415 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
416 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
417 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
420 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
422 * fix-header.c (read_scan_file): s/pfile/scan_in/.
424 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
426 * c-lang.c (c_post_options): Call cpp_post_options.
427 * objc/objc-act.c (objc_post_options): Similarly.
428 * cppmain.c (main): Similarly.
429 * fix-header.c (read_scan_file): Similarly.
430 * cppinit.c (cpp_start_read): Move option consistency checks
431 to cpp_post_options. Don't call init_dependency_output.
432 If needed, add default target and main file dependency.
433 (OPT_MD, OPT_MMD): Remove.
435 (cpp_handle_option): Update for OPT_* changes.
436 (cpp_post_options): New.
437 (init_dependency_output): Command line -MF overrides environment
438 variables. Don't set default target etc. Suppress output
439 if dependencies are going to stdout.
440 (print_help): Update.
441 * cpplib.h (cpp_post_options): New.
442 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
444 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
446 * jump.c (comparison_dominates_p): Support unordered compares.
448 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
450 * simplify-rtx.c (simplify_relational_operation): Always simplify
451 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
454 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
456 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
457 (nonzero_bits): Likewise.
458 (simplify_comparison): Likewise.
459 (num_sign_bit_copies): Likewise; return more sane value depending
461 (known_cond): Do not assume EQ to be always true for equivalent
464 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
466 * cse.c (fold_rtx): Handle unordered comparisons.
468 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
470 * rtlanal.c (set_of_1): New static function.
471 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
472 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
473 reg_set_last_last_regno): Remove.
474 (set_of): New global function.
475 (set_of_data): New structure.
476 (reg_set_p, reg_set_last): Revamp for set_of.
477 * rtl.h (set_of): New.
479 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
481 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
482 * extend.texi: Document _Exit builtin.
484 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
486 * (initialize, initialize_builtins,
487 initialize_dependency_output, initialize_standard_includes):
488 Rename s/initialize/init. Update.
489 (init_dependency_output): Move to after
490 cpp_handle_options, the correct location temporally at least.
491 (opt_comp): Move next to init (), its caller. Fix prototype.
492 (init): Make "initialized" local scope.
493 (cpp_create_reader): Always call init ().
494 (cpp_start_read): Update.
495 (output_deps): New function, broken out of cpp_finish.
496 (cpp_finish): Break out output_deps.
498 2001-01-07 Richard Henderson <rth@redhat.com>
500 * collect2.c (COFF specific stuff): Revert 12-06 patch
501 to prototype system functions.
503 2001-01-07 Michael Hayes <mhayes@redhat.com>
505 * hard-reg-set.h: Add multiple include guard.
506 * basic-block.h (struct loop): Add `sink' field.
507 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
508 (emit_iv_add_mult): Delete.
509 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
510 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
511 (unroll_loop): Remove end_insert_before argument.
512 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
513 (maybe_eliminate_biv_1): Likewise.
514 (emit_iv_add_mult): Delete.
515 (gen_add_mult, loop_regs_update): New.
516 (loop_insn_emit_after, loop_insn_emit_before): New.
517 (loop_insn_sink, loop_insn_sink_or_swim): New.
518 (emit_iv_add_mult): Delete.
519 (scan_loop): Set loop->sink.
520 (loop_givs_reduce): Use loop_insn_sink and its ilk.
521 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
522 (maybe_eliminate_biv_1): Likewise.
523 (maybe_eliminate_biv_1): Add basic block argument.
524 * unroll.c (unroll_loop): Remove end_insert_before argument.
525 (find_splittable_regs): Likewise.
526 (find_splittable_regs): Use loop_insn_sink and its ilk.
527 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
529 2001-01-07 Michael Hayes <mhayes@redhat.com>
531 * loop.h (loop_insn_hoist): New prototype.
532 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
533 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
534 (check_dbra_loop, load_mems): Likewise.
535 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
536 (find_splittable_givs): Likewise.
538 2001-01-07 Michael Hayes <mhayes@redhat.com>
540 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
542 2001-01-07 Richard Henderson <rth@redhat.com>
544 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
546 2001-01-07 Richard Henderson <rth@redhat.com>
548 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
549 NO_SHARED_LIBGCC_MULTILIB as required for the target.
550 * gcc.c (init_spec): Massage the existing libgcc_spec into a
551 variant that handles a shared libgcc.
552 (process_command): Always validate -{static,shared}-libgcc.
553 (do_spec_1): New 'M' case.
554 * invoke.text (Link Options): Document -{static,shared}-libgcc.
556 2001-01-07 Richard Henderson <rth@redhat.com>
558 * Makefile.in (slibdir): New variable.
559 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
560 (installdirs): Create slibdir.
561 (install-libgcc, install-multilib): Defer to libgcc.mk.
562 * configure.in (slibdir): Substitute.
563 * mklibgcc.in (install): New target.
565 * config/t-linux (SHLIB_LINK): Create links for the soname.
566 (SHLIB_INSTALL): New.
567 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
568 * config/mips/t-iris6 (SHLIB_INSTALL): New.
569 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
570 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
571 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
573 2001-01-07 Richard Henderson <rth@redhat.com>
575 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
576 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
577 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
579 2001-01-07 Michael Hayes <mhayes@redhat.com>
581 * loop.c (count_loop_regs_set): Delete.
582 (load_mems_and_recount_loop_regs_set): Delete.
583 (loop_regs_scan): Merge common code from count_loop_regs_set,
584 scan_loop, and load_mems_and_recount_loop_regs_set.
585 (scan_loop): Call load_mems directly and loop_regs_scan
586 again if new registers created.
588 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
590 * toplev.c (main): Call the front-end specific post_options
591 hook if one is given.
592 * toplev.h (struct_lang_hooks, lang_hooks): New.
593 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
595 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
596 lang_hooks for the C++ front end.
597 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
598 lang_hooks for the ObjC front end.
599 * f/com.c (lang_hooks): Hooks for the Fortran front end.
600 * java/lang.c (lang_hooks): Hooks for the Java front end.
602 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
604 * c-lex.c (init_c_lex): Request #define / #undef callbacks
605 for verbose DWARF[2] debugging.
606 (cb_define, cb_undef): The new callbacks.
607 * toplev.h (debug_define, debug_undef): Make const correct.
608 * toplev.c (debug_define, debug_undef): Similarly. Do not
609 perform the verbosity tests here anymore.
611 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
613 * reload.c (subst_reloads): Take INSN argument. When
614 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
615 * reload.h (subst_reloads): Adjust prototype.
616 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
617 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
618 present in JUMP_INSNs and copy them to JUMP_LABEL.
619 * flow.c (find_label_refs, find_basic_blocks_1): Skip
620 JUMP_INSNs and insns with REG_LABELs that are followed by
621 JUMP_INSNs with the same REG_LABEL.
622 * sched-rgn.c (is_cfg_nonregular): Likewise.
623 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
625 * unroll.c (unroll_loop): Look for REG_LABEL notes in
627 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
629 2001-01-06 Richard Henderson <rth@redhat.com>
631 * loop.c (scan_loop): Use xcalloc for the regs array.
632 (load_mems_and_recount_loop_regs_set): Zero the new memory
633 received from xrealloc.
635 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
637 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
639 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
641 * integrate.c (copy_rtx_and_substitute): When copying
642 an ignored return value, strip REG_FUNCTION_VALUE_P.
644 2001-01-06 Michael Hayes <mhayes@redhat.com>
646 * loop.c (debug_biv, debug_giv): New.
647 (loop_biv_dump): Break out from ...
648 (record_biv): ... here.
649 (loop_giv_dump): Break out from ...
650 (record_giv): ... here.
651 (loop_bivs_check): Use print_simple_rtl.
652 * unroll.c (loop_iterations): Use print_simple_rtl.
654 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
656 * pa.md (return, return_internal): Modify patterns to prevent regrename
657 mucking with the return pointer.
659 2001-01-05 Mike Stump <mrs@wrs.com>
661 * varasm.c (assemble_name): Ensure we output the stripped name.
663 2001-01-05 Richard Henderson <rth@redhat.com>
665 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
667 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
669 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
670 version supplied by Matteo Frigo.
672 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
674 * cpp.texi: Update for -MQ.
675 * cppinit.c (cpp_create_reader): Always create pfile->deps.
676 (cpp_cleanup): Always free pfile->deps.
677 (initialize_dependency_output): Don't create pfile->deps.
678 (cpp_handle_option): Similarly.
680 * gcc.c (cpp_options): Handle -MQ.
681 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
682 * mkdeps.c (base_name): Remove.
683 (deps_init): Don't allocate vector space until it's needed.
684 (deps_free): Only free vectors if allocated.
685 (deps_add_target, deps_add_dep): Update for initial allocation.
686 (deps_add_default_target): Don't strip to the base_name.
688 2001-01-05 DJ Delorie <dj@redhat.com>
690 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
691 (INIT_EXPANDERS): Define.
693 * config/v850/v850.c (struct machine_function): Define.
694 (v850_save_machine_status): New function.
695 (v850_restore_machine_status): New function.
696 (v850_return_addr): New function.
697 (v850_init_expanders): New function.
699 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
700 and v850_init_expanders.
702 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
704 * cpplib.h (struct cpp_reader): Add help_only field.
705 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
706 (cpp_handle_option): Set pfile->help_only if we see -h,
707 --help, -target-help, or --version. Print version string but
708 do not set help_only if we see -v or -version. Make text
709 printed by -v match that printed by (-)-version.
711 * cppmain.c (main): Exit after option parsing if
712 pfile->help_only is true.
714 * toplev.c (independent_decode_option): Call print_version,
715 then exit, if we see --version (but not -version).
716 (print_version): Split lengthy message into two lines.
718 2001-01-05 Nick Clifton <nickc@redhat.com>
720 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
721 temporary string for initialisation before calling ggc_alloc_string.
723 2001-01-06 Michael Hayes <mhayes@redhat.com>
725 * rtl.h (print_simple_rtl): New.
726 * print-rtl.c (print_simple_rtl): New.
728 (print_rtx): Disable printing of flags and modes, etc.,
729 if `flag_simple` nonzero.
731 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
733 * function.c (fixup_var_refs): Use push_to_full_sequence where
736 2001-01-05 Michael Meissner <meissner@redhat.com>
738 * flags.h (flag_reorder_blocks): Add declaration.
739 (flag_rename_block): Ditto.
741 2001-01-05 DJ Delorie <dj@redhat.com>
743 * function.c (reorder_blocks): Make sure the flags are all reset
744 before using them to mark blocks, else a second invocation will
745 corrupt the block chain.
746 (reorder_blocks_0): New, resets the flags.
748 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
750 * cse.c (find_comparison_args): Stop if the argument is known to
753 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
755 * config/sh/sh.md (movdf): When splitting load into pair of
756 registers, don't clobber the register used in the address too
759 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
761 * varasm.c (mark_constant_pool): Improve initial comments.
762 (mark_constants): Move marking of constants to mark_constant.
763 (mark_constant): New function to recursively mark all constants
764 referred to by a constant.
766 2001-01-05 Catherine Moore <clm@redhat.com>
768 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
770 2001-01-05 Phil Edwards <pme@sources.redhat.com>
772 * cp/lang-options.h: Bring comment in line with reality.
773 * f/lang-options.h: Likewise.
774 * java/lang-options.h: Likewise.
775 * objc/lang-options.h: Likewise.
776 * ch/lang-options.h: Likewise.
777 * f/g77.texi: And update the manual.
779 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
780 Denis Chertykov <denisc@overta.ru>
782 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
783 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
784 * config/avr/avr.md (all peepholes that request a scratch register):
785 Call it, FAIL the peephole if not safe (in interrupt functions).
787 2001-01-05 Mark Mitchell <mark@codesourcery.com>
789 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
791 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
793 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
795 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
796 BUILT_IN_CREAL and BUILT_IN_CIMAG.
797 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
798 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
799 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
801 * extend.texi: Document these builtins.
803 2001-01-05 Daniel Berlin <dberlin@redhat.com>
805 * c-common.c (lang_get_alias_set): Say we know nothing of
806 VECTOR_TYPE aliasing.
808 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
810 2001-01-05 Bruce Korb <bkorb@gnu.org>
812 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
813 their x* equivalent versions for atexit-less systems
814 * fixinc/fixincl.c(main): do not return from main() on atexit-less
815 systems (or any other system any more).
817 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
819 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
820 output operands. Use arm_hard_register_operand for operand 4.
821 (stmsi_postinc): Similarly.
822 (ldmsi): Use arm_hard_register_operand for opernand 2.
824 * arm.c (arm_hard_register_operand): New function.
825 * arm-protos.h (arm_hard_register_operand): Prototype it.
827 * arm.h (HARD_REGNO_RENAME_OK): Define.
829 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
831 * simplify-rtx.c (cfc_args): add "unordered" field.
832 (check_fold_consts): Set unordered field.
833 (simplify_relational_operation): Simplify the unordered
836 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
839 * emit-rtl.c (try_split): Fix code to mark labels.
840 * jump.c (mark_jump_label): Make global.
841 * rtl.h (mark_jump_label): Declare.
843 * predict.c (estimate_probability): Handle unordred comparisons.
845 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
847 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
848 * cppinit.c (initialize_dependency_output): Update.
849 (cpp_finish): Output dummy targets for -MP.
851 (cpp_handle_option): Handle -MP. Don't quote -MT options.
852 * cpplib.h (struct cpp_options): Add deps_phony_targets.
853 * gcc.c (cpp_options): Update to handle -MP.
854 * mkdeps.c (deps_add_target, deps_add_default_target): Update
855 to quote only the default target.
856 (deps_phony_targets): Insert a preceding newline. Rename from
857 deps_dummy_targets for consistency.
860 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
862 * calls.c (emit_library_call_value_1): Support
863 INIT_CUMULATIVE_LIBCALL_ARGS.
864 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
866 2001-01-04 Richard Henderson <rth@redhat.com>
868 * c-decl.c (finish_struct): Detect flexible array members
869 used in an inappropriate context.
870 * c-typeck.c (really_start_incremental_init): Special case
871 constructor_max_index for zero length arrays.
872 (pop_init_level): Allow initialization of flexible array
873 members. Deprecate initialization of zero length arrays.
874 Don't issue missing initializer warning for flexible array
875 members or zero length arrays.
876 (process_init_element): Don't dereference null DECL_SIZE.
877 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
878 Don't abort for empty constructors. Use size_binop
879 (output_constructor): Add commentary regarding zero length
880 array futures. Abort if we try to initialize an array of
881 unspecified length with a non-empty constructor in the middle
884 * extend.texi (Zero Length): Update and clarify documentation
885 on static initialization.
887 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
889 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
890 with more than 32767 words of local storage.
892 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
894 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
895 for 'abs', 'labs', and 'fabs'.
896 (c4x_expand_builtin): Likewise.
897 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
899 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
901 * config/sh/sh.md (prget, prset): New insn types.
902 (return delay slot): Dont' allow prset.
903 (call, sfunc delay slot): Don't allow prget.
904 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
907 2001-01-05 Michael Hayes <mhayes@redhat.com>
909 * loop.h (struct loop_reg): New.
910 (struct loop_regs): Change to use array of `struct loop_reg'.
911 * loop.c: Replace assortment of varrays with single regs array.
912 (count_one_set): Delete may_not_move array argument
913 and use regs array instead. All caller's changed.
914 (count_loop_regs_set): Delete may_not_move and single_usage
915 arguments and use regs array instead. All caller's changed.
916 (find_single_use_in_loop): Replace usage array argument with pointer
917 to regs structure. All caller's changed.
918 (loop_optimize): Delete `moved_once' array.
920 2001-01-05 Michael Hayes <mhayes@redhat.com>
922 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
923 Use it instead of loop_info->has_call for scanning loop mems.
924 (check_dbra_loop): Replace loop_info->has_call test with
925 loop_info->has_nonconst_call.
927 2000-01-04 Matthew Hiller <hiller@redhat.com>
929 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
932 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
934 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
935 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
937 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
939 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
940 (flag_short_double, flag_short_wchar): Define.
941 (c_common_nodes_and_builtins): Create many tree nodes shared
942 between C and C++ here instead of in cp/decl.c and ...
943 * c-decl.c (init_decl_processing): ... here.
944 (SIZE_TYPE, WCHAR_TYPE): Don't define.
945 (flag_short_double, flag_short_wchar): Don't define.
946 (record_builtin_type): New function.
947 (build_void_list_node): New function.
948 * c-common.h (flag_short_double, flag_short_wchar,
949 record_builtin_type, build_void_list_node): Declare.
951 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
953 * integrate.c (expand_inline_function): Don't put a virtual
954 register into the reg map.
956 * function.c (fixup_var_refs_1): If force_operand didn't put
957 the address into the target, move it there.
959 2001-01-04 Mark Mitchell <mark@codesourcery.com>
961 Special-case tree_decl/tree_list allocations.
962 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
963 (OBJECT_SIZE): New macro.
964 (NUM_EXTRA_ORDER): Likewise.
965 (extra_order_size_table): New variable.
966 (NUM_ORDERS): New macro.
967 (objects_per_page_table): New variable.
968 (object_size_table): New variable.
969 (G.pages): Use NUM_ORDERS to bound the array.
970 (G.page_tails): Likewise.
971 (DIV_ROUND_UP): Remove.
972 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
973 (alloc_page): Use OBJECT_SIZE.
974 (size_lookup): Don't make it const.
975 (ggc_alloc): Use OBJECT_SIZE.
976 (ggc_set_mark): Likewise.
977 (ggc_get_size): Likewise.
978 (init_ggc): Set up the object_size_table, objects_per_page_table,
979 and adjust size_lookup.
980 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
981 (ggc_pop_context): Use NUM_ORDERS.
982 (clear_marks): Likewise.
983 (sweep_pages): Likewise.
984 (poison_pages): Likewise.
985 (ggc_print_statistics): Use OBJECT_SIZE.
987 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
989 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
990 Only call array_size_for_constructor if last field and array type
993 2001-01-04 Philip Blundell <philb@gnu.org>
995 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
996 from bit 31 downwards, if this requires no more insns.
997 (count_insns_for_constant): New helper function for above.
999 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
1001 * gencodes.c (output_predicate_decls): Remove empty initializer.
1003 2001-01-04 Mark Mitchell <mark@codesourcery.com>
1005 * tree.c (copy_node): Remove documentation about obstacks.
1006 (buidl1): Check that nobody tries to build 2-argument nodes this
1009 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1011 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
1014 * gencodes.c (output_predicate_decls): Fill empty initializer
1017 2001-01-04 Jakub Jelinek <jakub@redhat.com>
1019 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
1020 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
1022 (do_include): Handle missing headers like cpp0.
1023 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
1024 paths with first include pathname. Don't strcat to uninitialized
1027 2001-01-04 Bernd Schmidt <bernds@redhat.com>
1029 * regrename.c (regrename_optimize): Don't rename from frame pointer
1030 if frame_pointer_needed.
1031 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
1032 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
1033 (ia64_reorg): Use it instead of scheduling if ! optimize.
1034 (errata_emit_nops): Properly call asm_noperands.
1035 (ia64_sched_reorder): Finish cycle if we see an asm.
1036 (ia64_variable_issue): Clear scheduling state after asms.
1038 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
1040 * cpp.texi: Update for -MT.
1041 * cppinit.c (initialize_dependency_output): Add a default
1042 target if none has been given already.
1043 (no_tgt, OPT_MT): New.
1044 (cpp_handle_option): Handle -MT. Update -M etc.
1045 * cpplib.h (struct cpp_options): Remove deps_target.
1046 * gcc.c (cpp_options): Handle -MT.
1047 * mkdeps.c (struct deps): Move from mkdeps.h.
1048 (deps_calc_target): Rename deps_add_default_target. Add a
1049 default target if none has been specified already.
1050 * mkdeps.h (struct deps): Move to mkdeps.c.
1051 (deps_calc_target): Rename deps_add_default_target.
1053 2000-01-03 Richard Henderson <rth@redhat.com>
1055 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
1057 * c-typeck.c (push_init_level): Move checks for flexible array
1058 members and zero length arrays ...
1059 (pop_init_level): ... here. Silently discard empty initializations.
1061 * varasm.c (output_constructor): Update for sizeof change to
1064 * extend.texi (Zero Length): Clarify semantics.
1066 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1068 * configure.in (tm.h): Include isns-codes.h last.
1069 * configure: Rebuilt.
1071 2001-01-03 Richard Henderson <rth@redhat.com>
1073 * config/alpha/alpha.md (addvsi3, addvdi3): New.
1074 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
1076 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1078 * tradcpp.c (main): Make sure finclude() is called with a valid
1079 indepth value while handling -include.
1081 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1083 * gencodes.c (output_predicate_decls): New function.
1085 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
1086 even if it is not the first time machmode.h is #included.
1087 * config/sh/sh.c (fpul_operand): Declare MODE argument.
1088 * tm.texi (PREDICATE_CODES): Document predicate declarations.
1089 * gcc.texi (Copyright): Added 2001.
1091 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1093 * c-common.c (c_common_lang_init): New function. Warn if format
1094 warning options which only have effects when used with -Wformat
1095 are used without -Wformat.
1096 * c-common.h (c_common_lang_init): Declare.
1097 * c-lang.c (lang_init): Call c_common_lang_init.
1098 * objc/objc-act.c (lang_init): Call c_common_lang_init.
1100 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1102 * configure.in: Check for the mktemp command.
1103 * configure: Regenerate.
1104 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
1105 $TEMP. Create temporary files with mktemp, if available at
1106 configure time; otherwise use set -C. Remove temporary files
1109 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
1111 * configure.in: Require at least texinfo 4.0. Check for whether
1112 Pod::Man is sufficiently recent to regenerate GCC manpages.
1113 * configure: Regenerate.
1114 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
1116 (GENERATED_MANPAGES): Define.
1117 (generated-manpages): New target. Depend on cpp.1 as well as
1119 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
1120 configure to generated-manpages or empty) rather than on the
1121 manpages directly. Remove execute permission from installed
1122 gcov.1 as well as cpp.1.
1123 * cpp.1, gcov.1: Regenerate.
1125 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1127 * builtins.c (expand_builtin_strncmp): Use host_integerp and
1128 tree_low_cst. Allow using cmpstrsi in more cases.
1130 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1132 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
1135 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
1137 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
1138 * Makefile.in (HOST_CFLAGS): Mention build-make.
1140 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1142 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
1145 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1147 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
1150 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
1153 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
1154 reg_base_value and reg_known_value arrays.
1155 (init_alias_analysis): Add more cases to detect known values.
1156 * sched-deps.c (deps_may_trap_p): New function.
1157 (sched_analyze_2): Use it.
1159 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
1161 * combine.c (simplify_shift_const): Even if we're sign-extracting,
1162 don't discard an ASHIFTRT if we're shifting in a wider mode.
1164 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1166 * toplev.c (rest_of_compilation): Don't print basic block information
1167 when CFG isn't up to date.
1169 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
1171 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
1172 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
1173 (UNALIGNED_SHORT_ASM_OP): Define.
1174 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
1176 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1178 * fold-const.c (fold_convert): Fix typo.
1180 2001-01-02 Richard Henderson <rth@redhat.com>
1182 * c-common.h (ASM_INPUT_P): New.
1183 * c-parse.in (asm): Set it when needed.
1184 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
1185 existance of an operand.
1187 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
1189 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
1190 (dwarf2out_frame_debug_expr): Likewise.
1191 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
1193 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
1195 * i386.c (ix86_split_to_parts): Return number of part required;
1197 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
1199 (ix86_split_long_move): Use number of part returned
1200 by ix86_split_to_parts
1201 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
1203 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
1204 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
1205 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
1206 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
1207 (ALIGN_MODE_128): Add TFmode.
1208 (IS_STACK_MODE): Likewise.
1209 (HARD_REGNO_NREGS): TFmode needs 3 registers.
1210 (HARD_REGNO_OK): Support TFmodes.
1211 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
1212 * i386.md (scheduler definitions): Use memory operand to determine
1213 fst/fld instructions; use mode attribute to determine real mode of
1215 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
1216 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
1218 2001-01-02 Mark Mitchell <mark@codesourcery.com>
1220 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
1222 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1224 * expr.c (store_constructor_field): Update ALIGN before calling
1227 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1229 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
1232 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
1234 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
1237 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
1239 * c-decl.c (start_function): Don't warn on third parameter to main.
1241 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1243 * tsystem.h: Define HAVE_DECL_GETOPT.
1245 2001-01-02 Philip Blundell <pb@futuretv.com>
1247 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
1250 2001-01-02 Richard Henderson <rth@redhat.com>
1252 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
1254 2001-01-02 Andreas Jaeger <aj@suse.de>
1256 * c-decl.c (c_decode_option): Remove support of
1259 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
1260 (W_options): Add -Wmissing-noreturn here.
1262 * flow.c: Define lang_missing_noreturn_ok_p.
1263 (check_function_return_warnings): Use it.
1265 * c-common.h: Declare lang_missing_noreturn_ok_p.
1267 * c-lang.c (c_missing_noreturn_ok_p): New function.
1268 (lang_init): Set lang_missing_noreturn_ok_p.
1270 * invoke.texi (Warning Options): Document this.
1272 2000-12-27 Phil Edwards <pme@sources.redhat.com>
1274 * extend.texi (C++ Extensions): New node for C++ attributes;
1275 describe init_priority and com_interface.
1276 * invoke.texi: Remove -finit-priority as it now has zero effect.
1277 * install.texi: Fix xref syntax.
1278 * md.texi: Likewise.
1280 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1282 * config.gcc (sparc64-wrs-vxworks*): New case.
1283 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
1285 * config/sparc/sparc.c (sparc_override_options): Do support different
1286 pointer and architecture size.
1287 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
1288 (POINTERS_EXTEND_UNSIGNED): Define.
1289 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
1290 (FUNCTION_MODE): Define to be Pmode.
1291 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
1293 * function.c (expand_function_end): Properly handle DECL_RESULT
1294 and copy when ptr_mode != Pmode.
1295 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
1297 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1299 * c-common.c (c_common_nodes_and_builtins): Set prototype
1300 parameters for __builtin_fputs, __builtin_fputc and
1301 __builtin_fwrite. Don't declare plain fputc as a builtin.
1303 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1305 * loop.c (add_label_notes): Increment the label usage count when
1306 a note is added to an insn which refers to a CODE_LABEL.
1307 * gcse.c (add_label_notes): Likewise.
1309 2001-01-01 Andreas Jaeger <aj@suse.de>
1311 * loop.c (scan_loop): Use xmalloc to allocate movables.
1313 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
1315 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
1316 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
1317 * reload1.c (REGISTER_MOVE_COST): Likewise.
1318 * regclass.c (REGISTER_MOVE_COST): Likewise.
1319 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
1320 dimension. Adjust all users.
1321 (init_reg_sets_1): Iterate on all modes.
1322 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
1323 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
1324 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
1325 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
1326 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
1327 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
1328 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
1329 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
1330 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
1331 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
1332 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
1333 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
1334 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
1335 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
1336 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
1337 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
1338 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
1339 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
1340 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
1341 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
1342 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
1343 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
1344 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
1345 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
1346 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
1347 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
1348 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
1350 2001-01-01 Bernd Schmidt <bernds@redhat.com>
1352 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
1353 arg VARIES_P. Call it with extra arg.
1354 (true_dependence): Likewise.
1355 * rtl.h (rtx_addr_can_trap_p): Declare.
1356 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
1358 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
1359 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
1360 pic offset table register if it's zero. All callers changed.
1361 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
1363 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1365 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
1366 STRING_POOL_ADDRESS_P.
1368 * config/sparc/sparc.c (input_operand): Properly test for short op.
1370 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
1371 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
1372 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
1373 * config/sparc/elf.h: No longer include sol2.h.
1374 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
1375 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
1377 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
1379 2001-01-01 Michael Hayes <mhayes@redhat.com>
1381 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
1382 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
1383 (record_initial): Likewise.
1384 * unroll.c (copy_loop_body, loop_iterations): Likewise.
1385 (remap_split_bivs): Likewise.
1387 2001-01-01 Michael Hayes <mhayes@redhat.com>
1389 * loop.c (loop_ivs_free): New function.
1390 (strength_reduce): Break out from...
1392 2001-01-01 Michael Hayes <mhayes@redhat.com>
1394 * loop.h (struct iv): New.
1395 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
1396 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
1397 'reg_biv_class' fields with 'regs' and 'n_regs'.
1398 (struct ivs): Rename 'loop_iv_list' field to 'list'.
1399 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
1400 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
1402 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
1404 * resource.c (mark_referenced_resources): Abort() before
1405 attempting to mark a pseudo register.
1406 (mark_set_resources): Likewise.
1408 2001-01-01 Michael Hayes <mhayes@redhat.com>
1410 * loop.h (REG_IV_CLASS): New accessor macro.
1411 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
1412 * unroll.c (REG_IV_CLASS): Likewise.
1414 Sun Dec 31 19:20:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1416 * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR): New.
1417 (loc_descriptor_from_tree, case SAVE_EXPR): New.
1419 2001-01-01 Michael Hayes <mhayes@redhat.com>
1421 * loop.c (loop_giv_reduce_benefit): Break out from strength_reduce.
1422 (loop_givs_dead_check, loop_givs_reduce, loop_givs_rescan): Likewise.
1423 (prescan_loop): Set pre_header_has_call in loop_info.
1424 * loop.h (struct_iv_class): Add `final_value' and `all_reduced'.
1425 (struct loop_info): Add `pre_header_has_call'.
1427 * loop.c (loop_bivs_find): Break out from strength_reduce.
1428 (loop_bivs_init_find, loop_bivs_check, loop_givs_find): Likewise.
1429 (loop_givs_check, loop_biv_eliminable_p): Likewise.
1431 * loop.c (LOOP_REG_LIFETIME, LOOP_REG_GLOBAL_P): Define.
1432 (scan_loop, record_giv): Use LOOP_REG_LIFETIME and LOOP_REG_GLOBAL_P.
1434 * loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Define.
1435 * loop.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Use in place of
1436 direct access to uid_luid array.
1437 * unroll.c (REGNO_FIRST_LUID, REGNO_LAST_LUID): Likewise.
1439 * loop.h (struct loop_movables): New.
1440 (LOOP_MOVABLES): New.
1441 (struct loop_info): Add movables field.
1442 * loop.c (struct movables): Delete. Replace all uses
1443 with struct loop_movables.
1444 (the_movables): Delete. Replace all uses with movables
1446 (loop_movables_add, loop_movables_free): New functions.
1447 (scan_loop): Use xmalloc instead of alloca for movables.
1448 Call loop_movables_free.
1450 * loop.c (debug_loops): New.
1452 2000-12-31 Philip Blundell <philb@gnu.org>
1454 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Add missing asm
1457 2000-12-30 Richard Henderson <rth@redhat.com>
1459 * dbxout.c (dbxout_block): Invert logic on eliding LBRAC/RBRAC.
1460 Initialize variables properly for DBX_LBRAC_FIRST.
1462 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1464 * expr.c (expand_expr, case COMPONENT_REF): Fix typo in last change.
1466 2000-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1468 * builtins.c (validate_arglist): New function, use it.
1470 2000-12-30 Philip Blundell <philb@gnu.org>
1472 * config/arm/arm.c (arm_expand_prologue): Fix typos in error
1473 message and comment. Note location of testcase for an unhandled
1476 2000-12-30 Jeffrey Oldham <oldham@codesourcery.com>
1478 * defaults.h (BUILD_VA_LIST_TYPE): New definition.
1479 * tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
1480 is a copy, not an alias.
1482 2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1484 * calls.c (calls_function_1, case CONSTRUCTOR): New case.
1486 * alias.c (alias_sets_conflict_p): New function.
1487 (mems_in_disjoint_alias_sets_p): Use it.
1488 (readonly_fields_p): Moved from expr.c; check for record type.
1489 (objects_must_conflict_p): New function.
1490 * calls.c (expand_call): Use assign_temp as much as possible, use
1491 readonly variant if assigned once, and don't set memory attributes.
1492 (emit_library_call_value_1, store_one_arg): Likewise.
1493 * integrate.c (expand_inline_function): Likewise.
1494 * stmt.c (expand_asm_operands, expand_return): Likewise.
1495 * expr.c (copy_blkmode_from_reg, store_constructor): Likewise.
1496 (store_field, save_noncopied_parts, expand_expr): Likewise.
1497 (expand_expr_unaligned): Likewise.
1498 (readonly_fields_p): Moved to alias.c.
1499 (safe_from_p): Rework handling of SAVE_EXPR.
1500 MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF.
1501 * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE.
1502 (assign_stack_for_temp): Use objects_must_confict_p.
1503 Set all memory attributes from type, if specified.
1504 (mark_temp_slot): Mark TYPE field.
1505 * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls.
1506 (objects_must_conflict_p): Likewise.
1508 * stmt.c (expand_decl): Don't use assign_stack_temp in error case.
1509 (add_case_node): No need to copy nodes anymore.
1511 2000-12-30 Alexandre Oliva <aoliva@redhat.com>
1513 * config/sh/sh.c (split_branches): Don't dereference re-computed
1514 `beyond' before checking it's non-NULL.
1516 2000-12-29 Robert Lipe <robertl@sco.com>
1518 Remove COFF support from i?86-pc-sco3.2v5.
1519 * i386/sco5.h (PREFERRED_DEBUGGING_TYPE): Change to Dwarf II.
1520 (TARGET_ELF): Now always true.
1521 (SUBTARGET_SWTICHES: )Remove -mcoff.
1523 * i386/t-sco5 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1524 MULTILIB_EXCEPTION): Nuke coff.
1525 (CRTSTUFF_T_CFLAGS_S): Deleted.
1526 (TARGET_LIBGCC2_CFLAGS): Added.
1528 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
1530 * varasm.c (output_constant_def): Don't ENCODE_SECTION_INFO
1531 twice. Update desc->rtl and ->label, in case ENCODE_SECTION_INFO
1534 2000-12-29 Bernd Schmidt <bernds@redhat.com>
1536 * ia64.c (ia64_expand_load_address): Accept additional scratch
1537 register argument. All callers & prototype changed.
1538 Use scratch register when generating load_symptr insns.
1539 * ia64.md (movdi_symbolic): Clobber a scratch register. Use it
1540 when calling ia64_expand_load_address.
1541 (movdi): Generate movdi_symbolic with additional operand.
1542 (load_gprel64): Use pic_offset_table_rtx instead of (reg:DI 1).
1543 (load_symptr): Likewise. Use additional operand as a scratch
1544 register instead of generating it here.
1546 * basic-block.h: Add a comment.
1547 * flow.c (PROP_POSTRELOAD): New macro.
1548 (update_life_info): Add it to prop_flags.
1549 (mark_set_1): If it is set, compute REG_N_SETS for the original
1550 register number of a hard reg.
1552 * emit-rtl.c (gen_raw_REG): New function.
1553 (gen_rtx_REG, gen_reg_rtx, init_emit_once): Use it instead of
1555 * print-rtl.c (print_rtx): Print ORIGINAL_REGNO.
1556 * final.c (alter_subreg): Update it.
1557 * regrename.c (do_replace): Likewise. Use gen_raw_REG.
1558 * rtl.def (REG): Update comment.
1559 * rtl.h (X0UINT, ORIGINAL_REGNO): New macros.
1560 (gen_raw_REG): Declare.
1562 2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1564 * tree.c (get_set_constructor_bits): Use host_integerp and
1567 * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN.
1569 * toplev.c (main): Call xmalloc_set_program_name.
1570 * gcc.c (main): Likewise.
1572 2000-12-29 Philip Blundell <philb@gnu.org>
1574 * config/arm/arm.c (arm_override_options): Fix typo in warning
1577 2000-12-29 Richard Henderson <rth@redhat.com>
1579 * config/alpha/alpha.c (alpha_expand_block_move): Initialize
1580 src_align and dst_align in bits. Do unaligned quadword loads
1581 if possible for BWX too.
1582 (alpha_expand_block_clear): Initialize align in bits. Track
1583 small leading offsets into a larger alignment. Play games with
1584 stq_u for large 4-byte aligned blocks. Use load/mask/store
1585 for appropreately aligned heads and tails.
1587 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
1589 * function.c (assign_parms): Convert arguments passed by
1590 reference to the right mode.
1592 2000-12-28 Geoffrey Keating <geoffk@redhat.com>
1594 * c-parse.in (select_or_iter_stmt): Use truthvalue_conversion
1595 on the condition of a FOR statement, so that it gets typechecked
1598 2000-12-29 Alexandre Oliva <aoliva@redhat.com>
1600 * c-decl.c (grokdeclarator): Prevent crash in case of overflow in
1603 * calls.c (emit_library_call_value_1): Add to call_fusage the
1604 stack slot assigned to argument passed by reference.
1606 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
1608 * toplev.h (extern really_sorry): Remove extern declaration for
1609 nonexistent function.
1611 2000-12-28 Jeffrey Oldham <oldham@codesourcery.com>
1613 * varasm.c (initializer_constant_valid_p): Indicate subtraction of
1614 pointers to the same string constant is absolute.
1616 2000-12-28 Joseph S. Myers <jsm28@cam.ac.uk>
1618 * c-common.c (enum format_type): Add strfmon_format_type.
1619 (decl_attributes): Handle format attributes strfmon and
1621 (FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD,
1622 FMT_FLAG_EMPTY_PREC_OK): Define.
1623 (format_char_info): Update comment for flag_chars.
1624 (format_flag_spec): Add skip_next_char.
1625 (format_kind_info): Add left_precision_char.
1626 (printf_flag_specs, scanf_flag_specs, strftime_flag_specs,
1627 format_types): Update for these new structure members and flags.
1628 (time_char_table): Make const.
1629 (strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs,
1630 monetary_char_table): New.
1631 (format_types): Add details of strfmon formats.
1632 (init_function_format_info): Create default attribute for strfmon.
1633 (check_format_info_main): Check the new flags. Handle
1634 skip_next_char and left precision.
1635 * toplev.c (documented_lang_options): Update description of
1637 * extend.texi: Document strfmon format attributes. Document
1638 attribute forms such as __printf__. Clarify format_arg attribute
1640 * invoke.texi (-Wformat): Update for strfmon formats.
1642 2000-12-28 Andreas Jaeger <aj@suse.de>
1644 * expmed.c (store_bit_field): Fix last patch.
1646 2000-12-28 Alexandre Oliva <aoliva@redhat.com>
1648 * config/sh/crt1.asm (start_l): `__SH4_SINGLE_ONLY__' was missing
1651 2000-12-28 Alan Lehotsky <lehotsky@tiac.net>
1653 * expmed.c (store_bit_field): Correctly compute smallest mode that
1654 is sufficient to contain all bits we are storing.
1656 2000-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1658 * builtins.c (build_function_call_expr): New function. Use it
1659 everywhere in lieu of manually constructing a CALL_EXPR.
1661 2000-12-27 Chandrakala Chavva <cchavva@redhat.com>
1663 * calls.c (store_one_arg): If parm is passed both in stack and in
1664 register and offset is greater than reg_parm_stack_space, split
1665 the offset and call emit_push_insn().
1667 2000-12-27 Nick Clifton <nickc@redhat.com>
1669 * ifcvt.c (noce_emit_store_flag): Handle jump insns that are
1672 2000-12-27 Alexandre Oliva <aoliva@redhat.com>
1674 * rtl.c (copy_most_rtx, shallow_copy_rtx): Copy frame_related
1677 2000-12-27 Bruce Korb <bkorb@gnu.org>
1679 * fixinc/Makefile.in: fix for ancient Bourne shell
1680 * fixinc/Makefile.BEOS: obsolete
1681 * fixinc/Makefile.DOS: obsolete
1682 * fixinc/fixincl.sh(LINKS): use `test -d' rather than `ls' for testing
1684 2000-12-27 Bernd Schmidt <bernds@redhat.com>
1686 * sched-deps.c (get_condition, conditions_mutex_p): New functions.
1687 (add_dependence): Use them to avoid adding unnecessary dependencies
1688 between conditionally executed insns.
1689 (sched_analyze_1, sched_analyze_2, sched_analyze_insn): Don't free
1690 dependency lists if current insn is a COND_EXEC.
1692 2000-12-27 Geoffrey Keating <geoffk@redhat.com>
1694 * config/rs6000/rs6000.md (define_attr "length"): Correct
1697 2000-12-26 Kazu Hirata <kazu@hxi.com>
1699 * config/h8300/h8300.c: Fix a comment typo.
1700 (get_shift_alg): Fix a typo in the assembly code for 12-bit
1701 ASHIFTRT in HImode. Do not output extra whitespace after one line
1702 of assembly code. Output a tab after an opcode instead of a
1704 (emit_a_shift): Output a tab after an opcode instead of a space.
1706 2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl>
1708 * config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr,
1709 out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of
1710 %4 in output templates, do not modify operands passed by the caller.
1712 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
1714 * builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS):
1716 * builtins.c (expand_builtin): Don't handle BUILT_IN_LABS,
1717 BUILT_IN_LLABS and BUILT_IN_IMAXABS.
1718 * c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for
1719 builtin labs, llabs and imaxabs.
1720 (expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS
1721 and BUILT_IN_IMAXABS.
1723 2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
1725 * c-common.c (builtin_function_2): New function.
1726 (c_common_nodes_and_builtins): Use it to define each pair (foo,
1727 __builtin_foo) of builtins in one place.
1729 2000-12-22 Joseph S. Myers <jsm28@cam.ac.uk>
1731 * gccbug.in: Add libgcj and preprocessor categories.
1733 2000-12-22 Bernd Schmidt <bernds@redhat.com>
1735 * config/ia64/ia64.c (itanium_reorder): Only schedule stops in
1736 the final scheduling pass.
1738 2000-12-22 Nick Clifton <nickc@redhat.com>
1740 * config/arm/arm.h (struct machine_function): Add new field
1741 'lr_save_eliminated'.
1742 * config/arm/arm.c (arm_compute_save_reg_mask): Do not include the
1743 link register if its save has been eliminated.
1744 (output_arm_prologue): Mention if the save of the link register
1745 has been eliminated.
1746 (output_arm_epilogue): Rename 'live_regs_mask' to
1748 Test 'saved_regs_mask' for the link register, not regs_ever_live.
1749 (arm_expand_prologue): If the link register has not been saved set
1750 lr_save_eliminated and emit a USE to prevent later passes from
1753 * dwarf2out_frame_debug_expr: Allow the (scratch) frame
1754 pointer to be initialised from the stack pointer plus a
1757 2000-12-22 Bernd Schmidt <bernds@redhat.com>
1759 * regrename.c (struct du_chain): New field "earlyclobber".
1760 (enum scan_actions): Remove unused entry "note_reference".
1761 (enum scan_actions_name): Likewise.
1762 (note_sets, clear_dead_regs, merge_overlapping_regs): New static
1764 (regrename_optimize): Use them to compute unavailable regs; get
1765 rid of the more simpleminded code we used to have here.
1766 Use a tick array to ensure registers are allocated in a more
1767 round-robin way. Disable code that only optimizes registers
1768 that were seen more than once.
1769 (referenced_regs): Remove variable.
1770 (scan_rtx_reg): New arg "earlyclobber". All callers changed.
1771 Store its value in newly generated du_chain structures.
1772 Add new du_chains at the end, not the start, of the list.
1773 Don't handle the "note_reference" action.
1774 (scan_rtx): New arg "earlyclobber". All callers changed.
1775 (build_def_use): Lose code to keep track of referenced regs.
1777 2000-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1779 * Makefile.in (sched-deps.o, sched-rgn.o): Fix dependency typo.
1781 * fp-bit.h (usi_to_float): Add prototype.
1783 * i386.c (ix86_expand_builtin): Delete unused label.
1785 * dwarf2out.c (file_info_cmp): Prototype.
1786 (dwarf2out_line): Hide variable `old_in_use'.
1788 * objc-act.c (objc_fatal): Delete.
1790 * sched-vis.c (visualize_stall_cycles): Remove unused variable.
1792 * system.h (getopt): Fix error in last change.
1794 * varasm.c (assemble_trampoline_template): Constify.
1796 2000-12-22 Jason Merrill <jason@redhat.com>
1798 * collect2.c (main): Use auto_demangling.
1800 2000-12-22 Alexandre Oliva <aoliva@redhat.com>
1802 * function.c (assign_parms): Update parm's DECL_INCOMING_RTL
1803 when optimizing PARALLEL to REG.
1805 2000-12-22 Graham Stott <grahams@redhat.com>
1807 * reload.c (update_auto_inc_notes): New, broken out from ...
1808 (find_reloads_address_1): ... use here, also correct possible
1809 use of uninitialised reloadnum.
1811 2000-12-21 David O'Brien <obrien@FreeBSD.org>
1813 * config/freebsd.h (LIB_SPEC): remove -kthread option.
1815 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1817 * resource.c (mark_set_resources): Use MARK_SRC_DEST for
1818 PRE_MODIFY and POST_MODIFY cases.
1820 * rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.
1822 2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1824 * md.texi (Looping Patterns): New node.
1826 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
1828 * gcc.texi, cpp.texi: Update last-updated dates.
1830 2000-12-21 Chandrakala Chavva <cchavva@redhat.com>
1832 * varasm.c (output_addressed_constants): Use language specific
1833 expander on unknown nodes.
1835 2000-12-21 Graham Stott <grahams@redhat.com>
1837 * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.
1839 2000-12-21 Bernd Schmidt <bernds@redhat.com>
1841 * Makefile.in (out_object_file): Depend on sched-int.h.
1842 * rtl.h (single_set_1): New macro.
1843 (single_set_2): Renamed from single_set_1 and extra argument added.
1844 * rtlanal.c (single_set_2): Likewise.
1846 * config/ia64/ia64-protos.h (get_bundle_name, ia64_issue_rate,
1847 ia64_adjust_cost, ia64_sched_init, ia64_sched_finish,
1848 ia64_sched_reorder, ia64_sched_reorder2, ia64_variable_issue):
1850 * config/ia64/ia64.c: Include "sched-int.h".
1851 (hard_regno_rename_ok): Also disallow renaming from the various
1853 (ia64_safe_itanium_requiers_unit0, ia64_safe_itanium_class,
1854 ia64_safe_type, init_insn_group_barriers, group_barrier_needed_p,
1855 safe_group_barrier_needed_p, fixup_errata): New static functions.
1856 (rtx_needs_barrier): Handle bundle selector and cycle display
1858 (emit_insn_group_barriers): Accept additional FILE * arg. All
1859 callers changed. Rework to only generate stop bits between
1860 basic blocks that haven't been inserted by scheduling.
1861 (struct bundle, struct ia64_packet): New structures.
1862 (NR_BUNDLES, NR_PACKETS): New macros.
1863 (bundle, packets, type_names): New static arrays.
1864 (ia64_final_schedule): New variable.
1865 (ia64_single_set, insn_matches_slot, ia64_emit_insn_before,
1866 gen_nop_type, finish_last_head, rotate_one_bundle, rotate_two_bundles,
1867 cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
1868 find_best_packet, itanium_reorder, dump_current_packet, schedule_stop):
1869 New static functions.
1870 (ia64_issue_rate, ia64_sched_init, ia64_sched_reorder,
1871 ia64_sched_finish, ia64_sched_reorder2, ia64_variable_issue): New
1873 (ia64_reorg): Perform a final scheduling pass.
1874 * config/ia64/ia64.h (CONST_COSTS): Slightly increase SYMBOL_REF costs.
1875 (MAX_CONDITIONAL_EXECUTE, ADJUST_COST, ISSUE_RATE, MD_SCHED_INIT,
1876 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_FINISH,
1877 MD_SCHED_VARIABLE_ISSUE): Define macros.
1878 (ia64_final_schedule): Declare variable.
1879 * config/ia64/ia64.md (attr itanium_class): Add some more classes.
1880 (attr type): Account for them.
1881 (itanium_requires_unit0): New attribute.
1882 (function units): Rewrite.
1883 (some splitters): Don't create scheduling barriers here.
1884 (gr_spill_internal, gr_restore_internal): Don't predicate the
1886 (nop_m, nop_i, nop_f, nop_b, nop_x, cycle_display, cycle_display_1,
1887 bundle_selector): New patterns.
1888 (insn_group_barrier): Now has an operand.
1890 2000-12-21 DJ Delorie <dj@redhat.com>
1892 * dwarf2out.c (simple_decl_align_in_bits): new
1893 (field_byte_offset): Try both the type align and the
1894 decl align, use whichever works, preferring the type align.
1896 2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk>
1898 * gccbug.in: Fix typo.
1900 2000-12-20 Benjamin Kosnik <bkoz@redhat.com>
1902 * Makefile.in (gcc_gxx_target_include_dir): Use instead of
1903 build_tooldir and libstdcxx_incdir.
1905 2000-12-20 Robert Lipe <robertlipe@usa.net>
1907 * haifa-sched.c (schedule_block): Provide empty source statement
1908 if not MD_SCHED_REORDER2.
1910 2000-12-20 Richard Henderson <rth@redhat.com>
1912 * rtl.h (REG_NON_LOCAL_GOTO): New.
1913 * rtl.c (reg_note_name): Update.
1914 * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
1915 * builtins.c (expand_builtin_longjmp): Likewise.
1916 * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
1919 2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl>
1921 * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r):
1922 Do not output undefined opcodes where source or destination register
1923 overlaps with modified pointer register. Handle (X + d) addresses.
1924 * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length
1925 in alternatives with memory operand.
1927 2000-12-20 Richard Henderson <rth@redhat.com>
1929 * c-typeck.c (build_asm_stmt): New, broken out from ...
1930 (c_expand_asm_operands): ... here. Just do rtl expansion.
1931 (c_expand_return): Return the new stmt node.
1932 (c_start_case, do_case): Likewise.
1933 * c-common.c (c_expand_expr_stmt): Likewise.
1934 * c-common.h: Update declarations.
1935 * c-tree.h: Likewise.
1936 * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY.
1937 * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace.
1938 (nested_function, notype_nested_function): Likewise.
1939 (compstmt): Return the compound statement not the binding level.
1940 (lineno_labeled_stmt): Simplify.
1941 (lineno_stmt, lineno_label): Set STMT_LINENO.
1942 (stmt, label): Return the new stmt node.
1944 2000-12-20 Bernd Schmidt <bernds@redhat.com>
1946 * Makefile.in (OBJS): Add sched-ebb.o.
1947 (sched-ebb.o): New rule.
1948 (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H).
1949 (haifa-sched.o): Depend on insn-flags.h.
1950 * haifa-sched.c: Include "insn-flags.h".
1951 (priority): Don't access BLOCK_NUM, use the new contributes_to_priority
1953 * rtl.h (schedule_ebbs): Declare.
1954 * sched-int.h (struct sched_info): Add new members
1955 contributes_to_priority and compute_jump_reg_dependencies.
1956 * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies):
1958 (region_sched_info): Add them.
1959 * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h".
1960 * sched-ebb.c: New file.
1961 * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs.
1963 * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly
1964 handle all relational operators.
1966 2000-12-20 Alexandre Oliva <aoliva@redhat.com>
1968 * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF.
1969 * tm.texi: Document it.
1971 2000-12-19 Benjamin Kosnik <bkoz@redhat.com>
1973 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir
1974 instead of gcc_tooldir.
1976 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1978 * system.h (getopt): Update prototype to match include/getopt.h.
1980 2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1983 * pa.c (basereg_operand): Simplify.
1985 2000-12-19 Bernd Schmidt <bernds@redhat.co.uk>
1987 * haifa-sched.c (rm_line_notes): Arguments are now head and tail,
1988 not block number. All callers and prototype changed.
1989 (set_priorities): Likewise.
1990 (save_line_notes): Add head and tail arguments; all callers and
1992 (restore_line_notes): Likewise. Don't crash on insns generated
1994 (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros.
1995 Call MD_SCHED_INIT with additional argument.
1996 When starting a new cycle, emit cycle_display insns if available.
1997 Don't stop scheduling when encountering a JUMP_INSN, but add another
1998 call to schedule_more_p in the inner loop.
1999 Call MD_SCHED_REORDER2 after scheduling an insn.
2000 Call MD_SCHED_FINISH once all insns are scheduled.
2001 (sched_init): Compensate for the fact that get_block_head_tail
2002 doesn't include leading notes.
2003 * sched-deps.c (free_deps): Free vectors here.
2004 * sched-rgn.c (compute_block_backward_dependencies): Not here.
2005 (last_was_jump): New static variable.
2006 (schedule_more_p): Test it.
2007 (init_ready_list): Initialize it.
2008 (can_schedule_ready_p): Set it if we have a JUMP_INSN.
2010 * config/i386/i386.h (MD_SCHED_INIT): Add new arg.
2011 * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg.
2012 * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg.
2014 * md.texi (cycle_display): Document.
2015 * tm.texi (MD_SCHED_INIT): Document new arg.
2016 (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document.
2018 * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite
2019 to use different representation. All callers changed.
2020 (and_reg_cond): Renamed from nand_reg_cond; caller changed.
2021 (init_propagate_block_info): Don't test flags to determine
2022 whether to compute conditional lifetimes.
2023 Adjust code for new representation of conditional lifetimes.
2024 (mark_regno_cond_dead): Similar adjustment.
2025 (free_reg_cond_life_info): Similar adjustment.
2026 (elim_reg_cond): New function.
2027 (flush_reg_cond_1): Use it.
2029 2000-12-19 Catherine Moore <clm@redhat.com>
2031 * reload1.c (reload_combine): Take multi-hard-regs into account
2032 when processing CALL_INSN_FUNCTION_USAGE.
2034 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
2036 * invoke.texi (-print-search-dirs): Make references to cpp refer
2039 2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2041 * fold-const.c (tree_expr_nonnegative_p): Treat truth values as
2044 Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com>
2046 * reload.c (push_reload): When using a dying register for the reload
2047 register in an in-out reload, use outmode if wider than inmode.
2049 2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk>
2051 * config/d30v/d30v.h (EXIT_BODY): Update comment.
2053 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
2055 * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING.
2056 * tm.texi (EXIT_BODY): Update documentation.
2057 * config/freebsd.h, config/netware.h, config/arm/coff.h,
2058 config/arm/conix-elf.h, config/arm/unknown-elf.h,
2059 config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h,
2060 sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some
2061 commented out) and associated comments.
2063 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
2065 * c-common.c (STD_C9L, ADJ_STD): Define.
2066 (printf_length_specs, scanf_length_specs): Mark "ll" as standard
2068 (T99_LL): Rename to T9L_LL.
2069 (T99_ULL): Rename to T9L_ULL.
2070 (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL
2071 instead of T99_LL and T99_ULL.
2072 (check_format_info_main): Use ADJ_STD on all format standard
2073 versions being compared.
2074 * c-common.h: Declare warn_long_long.
2075 * c-tree.h: Don't declare warn_long_long.
2077 2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
2079 * COPYING: Update to current
2080 ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references
2081 to 19yy as example year in copyright notice).
2083 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
2085 * c-lex.c (cb_file_change): Treat in_system_header as strictly
2088 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
2090 * cppmain.c: Update print.lineno with -P.
2092 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
2094 * c-lex.c: s/change_file/file_change.
2095 * cpplib.h: Similarly.
2096 * cppmain.c: Similarly.
2097 * fix-header.c: Similarly.
2098 * cppfiles.c (stack_include_file): Pass the buffer location and
2099 size to cpp_push_buffer. Generate the file_change callback,
2100 so that sysp is already set.
2101 * cpphash.h: Add _cpp_do_file_change.
2102 * cpplib.c (do_line): Set buffer->sysp directly. Generate the
2103 file_change callback after setting sysp.
2104 (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception
2106 (cpp_push_buffer): Don't generate a callback. Clear sysp.
2107 (cpp_pop_buffer): Clean up logic.
2109 2000-12-18 Benjamin Kosnik <bkoz@redhat.com>
2111 * configure.in (gcc_gxx_include_dir): Simplify.
2112 (libstdcxx_incdir): Export.
2113 * configure: Regenerate.
2114 * Makefile.in (PREPROCESSOR_DEFINES): Add in
2115 GPLUSPLUS_TOOL_INCLUDE_DIR bits here..
2116 (libstdcxx_incdir): Add.
2117 * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path.
2119 2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk>
2121 * c-lex.c (lex_lineno): Remove.
2122 (init_c_lex, c_lex): Remove lex_lineno.
2123 (cb_change_file): Update lineno correctly, both before calling
2124 push_srcloc and before leaving the function.
2125 (cb_def_pragma): Set lineno before outputting diagnostics.
2127 Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2129 * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN.
2130 Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE.
2131 Use print_node_brief to print bounds.
2133 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
2135 * cpplib.h (struct cpp_reader): Remove references to string_pool
2136 and temp_string_pool.
2137 * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using
2138 ident_pool in place.
2139 * cpplex.c (parse_number, unescaped_terminator_p, parse_string,
2140 save_comment, cpp_token_as_text): Similarly.
2141 * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly.
2142 * cppmacro.c (make_number_token, builtin_macro, lock_pools,
2143 unlock_pools, stringify_arg, paste_tokens): Similarly.
2145 Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2147 * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case.
2148 (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise.
2149 (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise.
2151 2000-12-17 Richard Earnshaw <rearnsha@arm.com>
2153 * Makefile.in (check-po): Use $(MAKE).
2154 (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise.
2156 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
2158 * cppmain.c (check_multiline_token): New function.
2159 (scan_buffer): Use it.
2160 (cb_change_file): Restructure to avoid warning.
2161 * cpperror.c (print_location): Initialize col.
2163 2000-12-14 Philipp Thomas <pthomas@suse.de>
2165 * protoize.c (main): Correctly set locale categories.
2166 * gcc.c (main): Likewise.
2167 * cppmain.c (general_init): Likewise.
2168 * toplev.c (main): Likewise.
2169 * gcov.c (main): Likewise.
2170 * collect2.c (main): Likewise.
2172 2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2174 * c-common.c (c_common_nodes_and_builtins): Create a
2175 cstring_endlink, use it. Rename int_ftype_string_string to
2176 int_ftype_cstring_cstring, string_ftype_string_int to
2177 string_ftype_cstring_int, and string_ftype_string_string to
2178 string_ftype_cstring_cstring. Prefer sizetype_endlink and
2179 int_endlink to manually recreating them. Fix the prototype
2180 set for __builtin_strspn/__builtin_strcspn.
2182 2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl>
2184 * config/avr/avr.c (out_set_stack_ptr): Update comment.
2185 (print_operand): Add support for %~ and %o.
2187 2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2189 * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code.
2191 2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
2193 * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up.
2194 * cpperror.c (print_containing_files): Get right line number.
2195 (print_location): Output column of 1 if 0.
2196 * cppfiles.c (stack_include_file): cpp_push_buffer handles
2198 * cpphash.h (_cpp_do_file_change): No longer external.
2199 * cpplib.c (do_file_change): Now local to cpplib.c.
2200 (do_line): Fake a buffer stack for preprocessed files.
2201 (cpp_push_buffer): Create a file_change callback. Handle faked
2203 (cpp_pop_buffer): Similarly.
2204 * cpplib.h: BUF_FAKE: New buffer type.
2205 * cppmain.c: Update to handle correct file renaming where a
2206 #line is the first line of the main file, and produce only
2207 the renamed file, not the original file, as output.
2209 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2211 * config/c4x/c4x.md: Remove redundant @s from output patterns.
2213 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2214 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2216 * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma.
2218 * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype.
2220 * config/c4x/c4x.c (c4x_init_pragma): New function.
2221 (c_lex_func): New variable.
2222 (c4x_parse_pragma): Use c_lex_func.
2224 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2225 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2227 * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument
2228 to c4x_init_builtins.
2230 * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument.
2232 * config/c4x/c4x.c (c4x_init_builtins): Add tree argument.
2233 (c4x_output_ascii): Fix.
2235 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2236 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2238 * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define.
2240 * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype.
2241 (c4x_expand_builtin): Likewise.
2243 * config/c4x/c4x.c (c4x_init_builtins): New function.
2244 (c4x_expand_builtin): Likewise.
2246 * config/c4x/c4x.md (floatunsqihf2): New pattern.
2247 (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise.
2248 (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise.
2249 (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise.
2250 (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise.
2252 2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2254 * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes.
2255 * libgcc2.c (__absvsi2): Use Wtype and DWtype.
2256 (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise.
2257 (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise.
2259 2000-12-16 Alexandre Oliva <aoliva@redhat.com>
2261 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block
2262 statement in do/while(0).
2264 Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz>
2266 * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno,
2267 lshrhi3_cmpno): Remove redundant '@' from the template.
2269 * i386.md (cmpstrsi_1): Fix type of the compare.
2271 * genattrtab.c (attr_rtx_cost): New function.
2272 (simplify_test_exp): Avoid overactive inlining; use temporary
2275 Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2277 * diagnostic.c (finish_abort): Deleted.
2278 (fatal): Add code from finish_abort.
2279 (error_recursion, fancy_abort): Call fatal, not finish_abort.
2280 (trim_filename): Remove leading "../".
2281 * diagnostic.h (finish_abort): Deleted.
2282 * toplev.c (crash_signal): Call fatal, not finish_abort.
2284 * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT
2285 as if size were variable.
2287 * expmed.c (expand_mult): Write REG_EQUAL note with proper mode.
2289 2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
2291 * tradcpp.c: T_WARNING: New.
2292 (do_warning): New function.
2293 (finclude): Skip past the newline and increase the line number
2294 before calling output_line_command.
2295 (do_line): Skip the new line after output_line_command. Don't
2296 pre-decrement the line number.
2298 2000-12-15 Diego Novillo <dnovillo@redhat.com>
2300 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to
2301 _GLOBAL_OFFSET_TABLE_ when using Intel syntax.
2303 2000-12-15 Jakub Jelinek <jakub@redhat.com>
2305 * gcc.c (cpp_options): Pass -fno-operator-names.
2306 * cpplib.h (struct cpp_options): Add operator_names.
2307 * cppinit.c (cpp_create_reader): Initialize it.
2308 (initialize_builtins): If -fno-operator-names, don't add
2309 C++ alternate operator names.
2310 (COMMAND_LINE_OPTIONS): Add -fno-operator-names.
2311 (cpp_handle_option): Clear operator_names.
2313 2000-12-15 Jason Merrill <jason@redhat.com>
2315 * jump.c (jump_optimize_1): Don't delete the line note after the
2316 prologue even if it seems redundant.
2318 * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P
2319 on all insns used to adjust the stack.
2321 Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz>
2323 * combine.c (cant_combine_insn_p): Get around SUBREGs when determining
2324 hardreg<->reg moves.
2326 Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz>
2328 * genrecog.c (add_to_sequence): Remove special case for
2330 (maybe_both_true): Return 1 when falling out of sequence when
2331 trying to find common possition in the pattern.
2333 Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz>
2335 * integrate.c (copy_rtx_and_substitute): Copy mode too.
2337 Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz>
2339 * flow.c (notice_stack_pointer_modification_1): Cleanup.
2341 2000-12-15 Alexandre Oliva <aoliva@redhat.com>
2343 * function.c (adjust_trampoline_addr): New function.
2344 (trampoline_address): Call it instead of round_trampoline_addr().
2345 * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it.
2347 2000-12-14 Zack Weinberg <zack@wolery.stanford.edu>
2349 * cppfiles.c (hack_vms_include_specification): Delete function
2350 (not used since 1998).
2352 Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com>
2354 * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER.
2356 2000-12-14 Jim Wilson <wilson@redhat.com>
2358 * alias.c (get_alias_set): Call record_component_aliases for
2360 (record_component_aliases): Handle COMPLEX_TYPE.
2362 2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2364 * fixinc/gnu-regex.c: Disable NLS.
2366 2000-12-14 Richard Henderson <rth@redhat.com>
2368 * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap
2369 comparison operands when that would create non-canonical rtl.
2371 * config/i386/i386.md (umulsi3_highpart): Remove * from name.
2372 (smulsi3_highpart): Likewise.
2374 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
2376 * gcc.c (cpp_options): Add -remap.
2378 2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk>
2380 * gcc.c (cpp_options): Update to use '&'.
2381 (struct switchstr): Change type of validated to save space.
2382 New member 'ordering'.
2383 (handle_braces, validate_switches): Update to handle '&'.
2385 2000-12-13 Laurynas Biveinis <lauras@softhome.net>
2387 * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list
2389 * fixinc/fixincl.x: regenerated.
2391 2000-12-13 DJ Delorie <dj@redhat.com>
2393 * config.gcc (cygwin, win32, mingw32): Use float-i386.h.
2395 2000-12-13 Tom Tromey <tromey@redhat.com>
2397 * gcc.c (handle_braces): Handle %{<S*} spec correctly.
2399 2000-12-13 Alexandre Oliva <aoliva@redhat.com>
2401 * function.c (assign_parms): Optimize incoming PARALLELs into
2404 2000-12-13 Bruce Korb <bkorb@gnu.org>
2406 * fixinc/Makefile.in(*): substantial rewrite to accommodate systems
2407 that cannot handle bi-directional pipes, viz. BeOS and DOS.
2408 * fixinc/fixlib.h(IGNORE_ARG): new macro
2409 (STATIC): define for all of fixinc to use
2410 * fixinc/fixfixes.c(*): eliminate unused arg warnings
2411 * fixinc/fixtests.c(*): ditto
2412 * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list
2413 * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE
2414 warning. Also, eliminate the ``#ifdef emacs'' stuff.
2415 (re_syntax_options): make global as it is declared so.
2416 * fixinc/mkfixinc.sh: process the argument list more consistently
2417 (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess
2418 * fixinc/procopen.c(globals): include "fixlib.h" for std defs
2419 * fixinc/server.c(globals): ditto
2420 * fixinc/server.h(defines): ditto
2422 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
2424 * tradcpp.c (special_symbol): Improve test for definedness,
2425 though it is still not perfect.
2426 (do_define): Don't define illegal macro names.
2428 2000-12-07 Aldy Hernandez <aldyh@redhat.com>
2430 * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits
2431 if changing into .bss section.
2432 * config/mips/elf64.h: same.
2433 * config/mips/iris6.h: same.
2434 * config/mips/netbsd.h: same.
2435 * config/mips/openbsd.h: same.
2437 2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
2439 * cppfiles.c (read_name_map): Return null if open () fails.
2440 (remap_filename): Simplify logic. Add ICE if it doesn't work
2441 as expected. Perform secondary lookup attempt on base filename
2444 Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz>
2446 * flow.c (notice_stack_pointer_modification_1): Notice midifications
2447 using PRE_MODIFY and POST_MODIFY.
2449 Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz>
2451 * genoutput.c (process_template): Add sanity checking for '@' templates.
2453 2000-12-13 Bernd Schmidt <bernds@redhat.co.uk>
2455 * simplify-rtx.c (cselib_finish): Free reg_values and used_regs
2458 2000-12-12 Mike Stump <mrs@wrs.com>
2460 * Makefile.in (distclean): Remove safe-ctype.c as well.
2462 2000-12-12 Brad Lucier <lucier@math.purdue.edu>
2464 * tradcpp.c (do_error): Cast difference of pointers to int
2467 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2469 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here...
2470 * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here.
2472 2000-12-12 Jim Wilson <wilson@redhat.com>
2474 * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT.
2476 2000-12-12 Alexandre Oliva <aoliva@redhat.com>
2478 * configure.in: Simplify language enabling/disabling code.
2479 * configure: Rebuilt.
2480 * ch/config-lang.in (target_libs): Set.
2481 (build_by_default): Set to no.
2482 * cp/config-lang.in (target_libs): Set.
2483 * f/config-lang.in (target_libs): Set.
2484 * java/config-lang.in (target_libs): Set.
2485 * objc/config-lang.in (target_libs): Set.
2487 2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk>
2489 * tradcpp.c (enum node_type): Add T_ERROR.
2490 (do_error): New function.
2491 (directive_table): Add #error handler.
2493 2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2495 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check
2497 * configure: Regenerated.
2498 * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2499 * config/rs6000/rs6000.c (rs6000_unique_section): Use
2500 STRIP_NAME_ENCODING.
2502 Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com)
2504 * pa.c (cmpib_comparison_operator): Remove GEU and LTU.
2505 * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding
2508 2000-12-11 Bruce Korb <bkorb@gnu.org>
2510 * fixinc/fixincl.tpl: initialize all fields for warnings
2511 * fixinc/fixincl.x: regenerate
2513 2000-12-11 Neil Booth <neilb@earthling.net>
2515 * tradcpp.h: For tradcpp, NUL is not whitespace.
2517 2000-12-11 Neil Booth <neilb@earthling.net>
2519 * fix-header.c (read_scan_file): Macro expansion is not a file buffer.
2521 2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl>
2523 * config/avr/avr.c (compare_condition, compare_sign_p): New functions.
2524 (compare_diff_p, compare_eq_p): Call compare_condition.
2525 (out_tsthi, out_tstsi): Call compare_sign_p.
2526 (avr_progmem_p): Check for error_mark_node.
2528 2000-12-11 Neil Booth <neilb@earthling.net>
2530 * cpperror.c (print_location): New function.
2531 (print_containing_files): Simplify.
2532 (_cpp_begin_message): Simplify and use print_location.
2533 * cppfiles.c (stack_include_file): Update.
2534 (_cpp_pop_file_buffer): Update.
2535 * cpphash.h (struct cpp_buffer): New members
2536 include_stack_listed and type.
2537 * cpplib.c (_cpp_handle_directive): Buffer->inc is not null.
2538 (run_directive): Take buffer type. cpp_push_buffer cannot fail.
2539 (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef,
2540 handle_assertion): Update.
2541 (cpp_push_buffer): Take a buffer type and file name.
2542 (cpp_pop_buffer): Update. Clear include_stack_listed.
2543 * cpplib.h (input_stack_listing_current): Remove.
2544 (enum cpp_buffer_type): New.
2545 (cpp_push_buffer): New prototype.
2546 * cppmacro.c (builtin_macro): Simplify; buffer cannot be null.
2547 * fix-header.c (read_scan_file): Update.
2549 2000-12-10 Robert Lipe <robertlipe@usa.net>
2551 * install.texi (i*86-*-sco3.2v5*): Remove information duplicated
2554 2000-12-10 Richard Henderson <rth@redhat.com>
2556 * genrecog.c (find_operand): Handle 'V' format code.
2557 (find_matching_operand): New.
2558 (validate_pattern): Accept '=' for an in-out operand if there
2559 is another operand with a matching constraint.
2561 * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint
2564 2000-12-10 Richard Henderson <rth@redhat.com>
2566 * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko.
2568 2000-12-09 Richard Henderson <rth@redhat.com>
2570 * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and
2571 STRICT_LOW_PART as SET_DEST have in-out constraints.
2573 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
2575 * c-common.c (check_function_format): Don't suggest adding format
2576 attributes to functions with no parameter to which to add them.
2578 2000-12-09 Nick Clifton <nickc@redhat.com>
2580 * config/arm/arm.c (arm_expand_prologue): Mark the generated
2581 insn not the set as being DWARF2_FRAME_RELATED_P.
2583 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
2585 * Makefile.in: use $(build_exeext) for all build
2586 system executable targets.
2588 2000-12-09 Laurynas Biveinis <lauras@softhome.net>
2590 * install.texi: remove i[345]86-*-winnt3.5 section.
2591 * configur.bat: removed.
2592 * config/msdos: directory removed.
2594 2000-12-09 Neil Booth <neilb@earthling.net>
2596 * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h.
2597 * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete.
2598 * cpplex.c (parse_identifier): Improve diagnostic.
2599 (_cpp_lex_token): Return unconditionally at the end of a directive.
2600 * cpplib.c (read_flag): Verify legality of each flag.
2601 (end_directive): Resotre pfile->skipping before skip_rest_of_line.
2602 (do_line): Use the new read_flag.
2603 * cppmacro.c (struct cpp_macro, parse_arg, replace_args,
2604 check_macro_redefinition, parse_params): Rename var_args to
2607 2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
2609 * .cvsignore: Add info files.
2611 2000-12-08 Laurynas Biveinis <lauras@softhome.net>
2613 * config/winnt: Remove obsolete directory.
2614 * install.texi (Configurations): Remove obsolete documentation for
2617 2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk>
2619 * configure.in: Don't define INSTALL_INFO.
2620 * configure: Regenerate.
2621 * Makefile.in (INSTALL_INFO): Remove.
2622 (info): Depend on info files in source directory.
2623 (cpp.info, gcc.info, c-tree.info): Build info files in source
2625 (distclean): Don't remove info files.
2626 (maintainer-clean): Remove info files from source directory.
2627 (install-normal): Depend on install-info.
2628 (install-info): Install info files from source directory, if they
2630 * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org.
2632 2000-12-08 Alexandre Oliva <aoliva@redhat.com>
2634 * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE
2635 before taking its NOTE_LINE_NUMBER.
2637 2000-12-08 Nick Clifton <nickc@redhat.com>
2639 * config/arm/arm.md (load_indirect_jump): Add pool ranges.
2641 * extend.texi: Document ARM "interrupt" function attribute.
2642 Mention that the ARM also support the "naked" function
2645 * config/arm/arm-protos.h (arm_current_func_type): Add
2648 * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define.
2649 (struct machine_function): Add 'func_type' field.
2650 Define bit values for 'func_type' field.
2651 (ARM_FUNC_TYPE): New macro.
2652 (IS_INTERRUPT): New macro.
2653 (IS_VOLATILE): New macro.
2654 (IS_NAKED): New macro.
2655 (IS_NESTED): New macro.
2656 (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE.
2658 * config/arm/arm.c (isr_attribute_args): New Structure. A
2659 list of "interrupt" function attribute modifiers.
2660 (arm_isr_value): New Function: Returns the type of the current
2662 (arm_compute_func_type): New Function: Computes the type of
2663 the current function.
2664 (arm_current_func_type): New Function: Returns the type of the
2666 (use_return_insn): Use arm_current_func_type.
2667 (arm_valid_type_attribute_p): Accept "interrupt" function
2669 (arm_comp_type_attributes): Check "interrupt" attributes.
2670 (arm_valid_machine_decl): Accept "interrupt" function
2672 (arm_function_ok_for_sibcall): Do not allow interrupt
2673 functions to use sibcalls.
2674 (arm_naked_function_p): Delete.
2675 (print_multi_reg): Remove redundant parameter 'hat'.
2676 (arm_compute_save_reg_mask): New Function: Compute a bit mask
2677 of registers saved during the current function's prologue.
2678 (output_arm_return_instruction): Use arm_current_func_type.
2679 Generate return instruction when LR is not poppsed off the
2681 (arm_volatile_func): Delete.
2682 (output_arm_prologue): Use arm_current_func_type and
2683 arm_compute_save_reg_mask.
2684 Note presernce of interrupt functions.
2685 (arm_output_epilogue): Use arm_current_func_type and
2686 arm_compute_save_reg_mask.
2687 (arm_expand_prologue): Use arm_current_func_type and
2688 arm_compute_save_reg_mask.
2689 (arm_init_machine_status): Initialise func_type field, if
2691 (thumb_expand_prologue): Use arm_current_func_type.
2692 (output_thumb_prologue): Use arm_current_func_type.
2694 2000-12-08 Brad Lucier <lucier@math.purdue.edu>
2696 * tradcpp.c (do_include): Make pointer differences 64-bit clean.
2698 Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com>
2700 * fp-bit.c (_fpmul_parts): Use USItype variables as inputs
2703 2000-12-07 Mike Stump <mrs@wrs.com>
2705 * Makefile.in (distclean): Remove alloca.c hashtab.c.
2707 2000-12-07 Zack Weinberg <zack@wolery.stanford.edu>
2709 * Makefile.in (HOST_RTL): Add safe-ctype.o.
2710 (safe-ctype.o): New rule.
2711 * system.h: Include safe-ctype.h, not ctype.h. No need to
2714 * cpphash.h: Zap IStable and related macros. Define is_* in
2715 terms of safe-ctype.h macros.
2716 * cppinit.c: Delete the IStable and all related code.
2718 * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and
2719 is_space arrays. Delete initialize_char_syntax. Change all
2720 references to the above arrays to use macros instead.
2721 * tradcpp.h: Define is_idchar, is_idstart, is_space, and
2722 is_nvspace in terms of safe_ctype.h's macros.
2723 * tradcif.y: is_idchar, is_idstart are macros not arrays.
2725 * config/i370/i370.c, config/winnt/dirent.c,
2726 config/winnt/fixinc-nt.c, config/winnt/ld.c:
2727 Use uppercase ctype macros. If we included ctype.h,
2728 include safe-ctype.h instead.
2730 * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test
2731 ISLOWER(c) before calling TOUPPER(c).
2732 * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk.
2733 * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to
2734 wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x).
2736 2000-12-07 DJ Delorie <dj@redhat.com>
2738 * c-decl.c (grokdeclarator): preserve previous alignments when
2739 rebuilding array types.
2741 2000-12-07 Neil Booth <neilb@earthling.net>
2743 * cppfiles.c (struct include_file): Move from cpphash.h.
2744 (_cpp_never_reread): New function.
2745 (open_file, read_include_file): Use it.
2746 (stack_include_file): Set the buffer's sysp according to the
2747 path in which the file was found.
2748 (find_include_file): Don't set sysp.
2749 (cpp_make_system_header, actual_directory): Update.
2750 (_cpp_execute_include): Do #include_next lookup handling here,
2751 not in cpplib.c. Use _cpp_never_reread.
2752 * cpphash.h (struct_include_file): Remove.
2753 (struct cpp_buffer): New member sysp.
2754 (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update.
2755 (_cpp_never_reread): New.
2756 * cpplib.c (read_line_number): Rename read_flag. Rework slightly.
2757 (end_directive): Clear line_extension flag.
2758 (_cpp_handle_directive): Set line_extension flag for #number.
2759 (do_include_next): Handle path lookup in _cpp_execute_include.
2760 (do_line): Cleanup to use read_flag. Don't allow flags in #line.
2761 (_cpp_do_file_change): Update.
2762 (do_pragma_once): Use cpp_never_reread. Clean up.
2763 * cpplib.h (struct lexer_state): New member line_extension.
2765 2000-12-07 Richard Henderson <rth@redhat.com>
2767 * flow.c (calculate_global_regs_live): Force the stack pointer live
2768 after reload as well.
2770 2000-12-07 Bruce Korb <bkorb@gnu.org>
2772 * fixinc/Makefile.*(exeext): the variables are exeext, the
2773 substitution expression is build_exeext.
2775 2000-12-07 Neil Booth <neilb@earthling.net>
2777 * c-common.c (parse_in): Make a cpp_reader *.
2778 * cppfiles.c (_cpp_fake_include): Remove.
2779 * cpphash.h: Similarly.
2780 * cpplib.c (do_line): Don't call _cpp_fake_include. A valid
2781 #line always creates a callback; FC_RENAME if there are no
2783 * fix-header.c (read_scan_file): cpp_push_buffer cannot fail.
2784 The first EOF must be our get_char buffer.
2786 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
2788 * c-common.c (warn_format_security): New variable.
2789 (check_format_info): Warn about non-literal formats with no format
2790 arguments if either -Wformat-nonliteral or -Wformat-security is
2792 (set_Wformat): Set warn_format_security for settings other than 1.
2793 * c-common.h (warn_format_security): Declare.
2794 * c-decl.c (c_decode_option): Decode -Wformat-security and
2795 -Wno-format-security.
2796 * invoke.texi: Document -Wformat-security.
2797 * toplev.c (documented_lang_options): Include -Wformat-security
2798 and -Wno-format-security.
2800 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
2802 * c-common.c (check_format_info): Warn for non-constant format
2803 strings with strftime formats if -Wformat-nonliteral. Where the
2804 format can convert arguments, if the format is not a string
2805 literal and there are no arguments to the format, give a different
2806 warning message from the general non-string-literal case.
2808 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
2810 * c-common.c (format_wanted_type): Add reading_from_flag.
2811 (print_char_table): Mark %s and %S formats with flag "R".
2812 (check_format_info_main): Set up reading_from_flag appropriately.
2813 If aflag, always set writing_in_flag rather than relying on the
2814 format used being a scanf format and so having it set.
2815 (check_format_types): Check for formats reading through null
2818 2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
2820 * invoke.texi (-Wformat): Document what format features are
2823 2000-12-06 Kazu Hirata <kazu@hxi.com>
2825 * config/h8300/h8300.h: Fix formatting.
2827 2000-12-06 Joel Sherrill <joel@OARcorp.com>
2829 * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*,
2830 h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets.
2831 * config.gcc (*-rtems*): Add support for gthr-rtems.h.
2832 * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
2833 config/h8300/rtems.h, config/mips/rtems.h: New files.
2835 2000-12-06 Mark Kettenis <kettenis@gnu.org>
2837 * config.gcc: Reorganize handling of *-*-gnu*, to share target
2838 specific make details with Linux. Update comments to clarify
2839 the distinction between GNU/Linux and GNU/Hurd.
2841 Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com)
2843 * contrib.texi: Fix my email address. Update Per's
2844 list of contributions.
2846 2000-12-06 Rodney Brown <RodneyBrown@mynd.com>
2848 * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX.
2849 * collect2.c (scan_libraries): Remove unused `ch'.
2850 (COFF specific stuff): Prototype ldgetname. Declare and prototype
2851 ldbtread and ldclose.
2853 * config/alpha/osf.h: Standarize copyright statement.
2854 * config/arc/arc.h: Likewise.
2855 * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise.
2856 * config/arm/arm.c config/arm/arm.h: Likewise.
2857 * config/elxsi/elxsi.h: Likewise.
2858 * config/i386/sco.h: Likewise.
2859 * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise.
2860 * config/m68k/m68kv4.h config/m68k/next21.h: Likewise.
2861 * config/m68k/sun3.h: Likewise.
2862 * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise.
2863 * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise.
2864 * config/romp/romp.h: Likewise.
2865 * config/rs6000/aix41.h: Likewise.
2866 * config/sparc/sysv4.h: Likewise.
2867 * config/we32k/we32k.c config/we32k/we32k.h: Likewise.
2868 * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise.
2869 * cpplib.h cppexp.c cselib.h profile.c: Likewise.
2870 * longlong.h: Likewise.
2871 * libgcc2.c: Likewise.
2873 2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2875 * machmode.def: Use correct definition for BITSIZE on targets where
2878 2000-12-06 Bruce Korb <bkorb@gnu.org>
2880 * fixinc/Makefile.*: Reduce differences to (ultimately) reduce
2883 2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2885 * pa.c: Include expr.h before c-tree.h.
2886 (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered
2887 instead of reverse_condition.
2888 (print_operand): Correct predicates for GT, GE, LT and LE. Add
2889 predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and
2891 (cmpib_comparison_operator): Add GEU and LTU codes.
2892 * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator.
2893 * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered,
2894 bordered): New float conditional branch patterns.
2896 Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com>
2898 * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT.
2900 2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
2902 * cpplex.c (skip_escaped_newlines): Don't warn for spaces between
2903 backslash and newline, when inside a comment.
2905 2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk>
2907 * invoke.texi: Use @table @samp instead of @itemize @minus for
2908 table of language standards. Fix use of @pxref. From Zack
2909 Weinberg. Also exclude specs documentation from generated
2910 manpage, and create separate ENVIRONMENT section.
2912 2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de>
2914 * gcse.c (compute_pre_data): Kill trapping expressions in
2915 destination blocks of abnormal edges.
2917 2000-12-05 Richard Sandiford <r.sandiford@redhat.com>
2919 * config/mn10300/mn10300.c (mn10300_print_reg_list): Added.
2920 (mn10300_get_live_callee_saved_regs): Likewise.
2921 (mn10300_gen_multiple_store): Likewise.
2922 (store_multiple_operation): Likewise.
2923 (expand_prologue): Use mn10300_gen_multiple_store().
2924 * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added.
2925 (mn10300_get_live_callee_saved_regs): Likewise.
2926 (mn10300_gen_multiple_store): Likewise.
2927 (store_multiple_operation): Likewise.
2928 * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL
2929 tied to store_multiple_operation().
2931 Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com)
2933 * builtins.c (expand_builtin_setjmp_setup): Set
2934 current_function_has_nonlocal_label.
2936 2000-12-05 Neil Booth <neilb@earthling.net>
2938 * cppfiles.c (stack_include_file): Push zero-length buffers
2939 in case of failure. Return void, as we don't fail any more.
2940 (read_include_file): Check for files we shouldn't re-read.
2941 Don't return an error code; errors are implied by marking the
2943 (_cpp_execute_include): Move the recursion and in-macro checks
2944 here. Update for stack_include_file not failing.
2945 * cpplib.c (cpp_push_buffer): Always succeed, since
2946 _cpp_execute_include performs the recursion check. Tidy up.
2947 * cpplib.h (cpp_push_buffer): Update prototype.
2949 2000-12-05 Alexandre Oliva <aoliva@redhat.com>
2951 * sched-vis.c (visual_tbl_line_length): New variable.
2952 (get_visual_tbl_length): Set it.
2953 (visualize_stall_cycles): Don't let stalls overrun
2954 visual_tbl_line_length.
2956 2000-12-05 Geoffrey Keating <geoffk@redhat.com>
2958 * global.c (global_conflicts): Allow for a REG_UNUSED note
2959 with a different mode to the REG set in the insn.
2961 2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2963 * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir.
2965 * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS).
2967 2000-12-05 Bruce Korb <bkorb@gnu.org>
2969 * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and
2972 2000-12-05 Richard Earnshaw <rearnsha@arm.com>
2974 * fixinc/mkfixinc.sh: Run fixinc on netbsd.
2975 * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files,
2976 to cope with aliased copies.
2977 * fixinc/fixincl.x: Regenerate.
2979 2000-12-05 Bernd Schmidt <bernds@redhat.co.uk>
2981 * sched-vis.c: Guard with #ifdef INSN_SCHEDULING.
2982 * sched-rgn.c: Likewise.
2983 (rgn_print_insn): Fix output.
2985 2000-12-05 Bruce Korb <bkorb@gnu.org>
2987 * fixinc/Makefile.*: make these more consistent
2988 * fixinc/mkfixincl.sh: enable BeOS fixincludes
2990 2000-12-05 Richard Henderson <rth@redhat.com>
2992 * stmt.c (warn_if_unused_value): Move side effects test earlier.
2994 2000-12-05 Alan Modra <alan@linuxcare.com.au>
2996 * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even
2999 2000-12-05 Richard Henderson <rth@redhat.com>
3001 * flow.c (calculate_global_regs_live): Only force stack pointer
3002 live before reload. Force pic register live before reload.
3003 (insn_dead_p): Don't protect pic references from deletion.
3005 2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk>
3007 * invoke.texi: Add support for using texi2pod.pl. Don't use
3010 2000-12-04 Nick Clifton <nickc@redhat.com>
3012 * config/arm/arm.c (arm_override_options): Test 'insn_flags' not
3013 'tune_flags' for XScale nature.
3014 Remove spurious test of HARD_FLOAT and XScale flags.
3016 * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register
3017 contraint, accidentally changed during XScale contribution.
3019 * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do
3020 not create these functions if the target architecture does not
3021 support Thumb instructions.
3023 2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
3025 * ONEWS: New file with the current contents of NEWS up to EGCS
3027 * NEWS: Generate automatically from online release notes from EGCS
3028 1.0 to GCC 2.95.2, using ../contrib/gennews.
3030 2000-12-04 Neil Booth <neilb@earthling.net>
3032 * tradcif.y: Move lexptr to top of file. Add rule to handle
3033 assertions in conditional expressions.
3034 * tradcpp.c (parse_answer): Assertions do not need to go to
3035 end of line in conditional directives.
3036 (parse_assertion): Get first character of identifiers correct.
3037 (test_assertion): New function.
3038 * tradcpp.h (test_assertion): New prototype.
3040 2000-12-01 Rodney Brown <RodneyBrown@mynd.com>
3042 * config.gcc: Fix typo for UnixWare 7.
3044 2000-12-03 Phil Edwards <pme@sources.redhat.com>
3046 * invoke.texi: Replace `pedwarns' with clearer text.
3048 2000-12-04 Bruce Korb <bkorb@gnu.org>
3050 * fixinc/Makefile.*(clean): don't clean autogenerated files.
3051 (mainainer-clean): clean autogenerated files
3053 2000-12-04 DJ Delorie <dj@redhat.com>
3055 * md.texi: Add overview, clarify match_dup and define_expand.
3057 2000-12-04 DJ Delorie <dj@redhat.com>
3059 * print-tree.c (print_node): Target-specific builtins print
3062 2000-12-04 Jason Merrill <jason@redhat.com>
3064 * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT,
3067 * diagnostic.c (report_problematic_module): s/function/module/.
3069 * c-lex.h: Remove decl for check_newline.
3071 2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3073 * README.APOLLO: Remove obsolete file.
3075 2000-12-04 Neil Booth <neilb@earthling.net>
3077 * cppinternals.texi: New file.
3079 2000-12-04 Neil Booth <neilb@earthling.net>
3081 * cppfiles.c (cpp_make_system_header): Take 2 booleans,
3082 and operate on current buffer.
3083 (cpp_read_file): Rename _cpp_read_file.
3084 * cpplib.c (do_line, do_pragma_system_header): Update calls to
3085 cpp_make_system_header.
3086 * fix-header.c: Similarly.
3087 * cpphash.h (_cpp_read_file): Move from...
3088 * cpplib.h: ... here.
3089 * cppinit.c (do_includes, cpp_start_read): Update appropriately.
3091 2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3093 * builtins.c (expand_builtin_strspn, expand_builtin_strcspn):
3094 Handle another transformation.
3096 2000-12-03 Nick Clifton <nickc@redhat.com>
3098 * config.gcc: Add support for StrongARM targets.
3099 * config/arm/t-strongarm-elf: New file.
3100 * config/arm/t-strongarm-coff: New file.
3101 * config/arm/t-strongarm-pe: New file.
3102 * config/arm/strongarm-pe.h: New file.
3104 2000-12-03 Nick Clifton <nickc@redhat.com>
3106 * NEWS: Mention XScale has been added.
3107 * config.gcc: Add support for XScale targets.
3108 * config/arm/arm.h: Add support for XScale processor.
3109 * config/arm/arm.c: Add support for XScale processor.
3110 * config/arm/arm.md: Add support for XScale processor.
3111 * config/arm/t-xscale-elf: New file.
3112 * config/arm/t-xscale-coff: New file.
3113 * config/arm/xscale-elf.h: New file.
3114 * config/arm/xscale-coff.h: New file.
3116 2000-12-03 Richard Henderson <rth@redhat.com>
3118 * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges
3119 unless exception handling is enabled, and if not using sjlj.
3121 * builtins.c (expand_builtin_setjmp_setup): New.
3122 (expand_builtin_setjmp_receiver): New.
3123 (expand_builtin_setjmp): Split out _setup and _receiver functions.
3124 Move argument parsing in from ...
3125 (expand_builtin): ... here.
3126 * except.c (receive_exception_label): Branch around receiver
3127 unless new-style exceptions. Call expand_builtin_setjmp_receiver.
3128 (start_dynamic_handler): Call expand_builtin_setjmp_setup.
3129 * expr.h: Update builtin setjmp decls.
3131 2000-12-03 Bruce Korb <bkorb@gcc.org>
3133 * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical
3134 build machine name. Default to the target.
3136 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
3138 * Makefile.in: use $(build_canonical), not $(canonical_build).
3140 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
3142 * Makefile.in (OBJS): Add sched-rgn.o.
3143 (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No
3145 (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
3146 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
3147 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
3148 MAX_BLOCKAGE_COST): Move to sched-int.h.
3149 (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD,
3150 IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT,
3151 FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES,
3152 OUT_EDGES, edgelst, struct region, nr_regions, rgn_table,
3153 rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS,
3154 RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN,
3155 debug_regions, find_single_block_region, find_rgns, too_large,
3156 init_regions, current_nr_blocks, current_blocks, bitset, bitlst,
3157 bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member,
3158 extract_bitlst, bblst, struct candidate, candidate_table,
3159 bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE,
3160 SRC_PROB, target_bb, split_edges, compute_trg_info,
3161 debug_candidate, debug_candidates, bbset, bbset_size, dom,
3162 IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset,
3163 rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize,
3164 EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges,
3165 compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY,
3166 IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY,
3167 MIN_PROB_DIFF, check_live_1, update_live_1, check_live,
3168 update_live, set_spec_fed, is_pfree, find_conditional_protection,
3169 is_conditionally_protected, may_trap_exp, haifa_classify_insn,
3170 is_prisky, is_exception_free, add_branch_dependences,
3171 propagate_deps, compute_block_backward_dependences,
3172 debug_dependencies, is_cfg_nonregular, build_control_flow,
3173 new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER,
3174 BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions,
3175 UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE,
3176 CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns,
3177 target_n_insns, sched_n_insns, init_ready_list, deaths_in_region,
3178 can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn,
3179 rgn_rank, region_sched_info): Move to sched-rgn.c.
3180 (debug_reg_vector): Delete useless function.
3181 (get_bb_head_tail): Likewise.
3182 (insn_issue_delay, insn_cost, ready_add, get_block_head_tail,
3183 no_real_insns_p, rm_line_notes, save_line_notes,
3184 restore_line_notes, rm_redundant_line_notes, sched_init): No
3186 (rm_line_notes, save_line_notes, restore_line_notes,
3187 schedule_block, set_priorities): Change argument to be a real
3188 basic block, not one of haifa's "bb"s. All callers changed
3189 (rm_other_notes): Initialize note_list here, not in
3191 (sched_finish): New function, called from schedule_insn. * *
3192 sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT,
3193 INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE,
3194 UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST,
3195 MAX_BLOCKAGE_COST): Moved here from haifa-sched.c.
3196 (get_block_head_tail, no_real_insns_p, rm_line_notes,
3197 save_line_notes, restore_line_notes, rm_redundant_line_notes,
3198 rm_other_notes, insn_issue_delay, set_priorities, schedule_block,
3199 sched_init, sched_finish, ready_add, insn_cost): Declare.
3201 2000-12-03 Laurynas Biveinis <lauras@softhome.net>
3202 Bruce Korb <bkorb@gnu.org>
3204 * Makefile.in: pass $(build_canonical) to mkfixinc.sh.
3205 * fixinc/mkfixinc.sh: accept build system name as an argument.
3206 Use it for choosing the fix build method. Use the target for
3207 selecting special fix rules.
3209 2000-12-03 Bernd Schmidt <bernds@redhat.co.uk>
3211 * Makefile.in (OBJS): Add sched-deps.o.
3212 (sched-deps.o): New rule.
3213 * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to
3215 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to
3217 (SIZE_FOR_MODE): Delete unused macro.
3218 (reg_known_equiv_p, reg_known_value, reg_pending_clobbers,
3219 reg_pending_sets, reg_pending_sets_all, true_dependency_cache,
3220 anti_dependency_cache, output_dependency_cache,
3221 forward_dependency_cache): Variables moved to sched-deps.c.
3222 (add_dependence, remove_dependence, find_insn_list,
3223 find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists,
3224 sched_analyze_insn, sched_analyze_1, sched_analyze_2,
3225 sched_analyze, group_leader, compute_forward_dependences,
3226 init_deps, free_deps, init_dependency_caches, free_dependency_caches):
3227 Functions moved to sched-deps.c.
3228 (schedule_region): Call init_deps_global and finish_deps_global
3229 instead of directly manipulating dependency data structures.
3230 * sched-deps.c: New file.
3231 (init_deps_global, finish_deps_global): New functions.
3232 * sched-int.h (struct haifa_insn_data, struct deps): Moved here from
3235 (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here
3238 * Makefile.in (OBJS): Add sched-vis.o.
3239 (sched-vis.o): New rule.
3240 * haifa-sched.c (get_unit_last_insn): New function.
3241 (sched_dump, insn_unit, actual_hazard_this_instance): No longer
3243 (schedule_block): Call visualize_alloc and visualize_free. Delete
3244 spurious return statement.
3245 (init_target_units, insn_print_units, get_visual_tbl_length,
3246 init_block_visualization, print_block_visualization, safe_concat,
3247 visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles,
3248 print_exp, print_value, print_pattern, print_insn, target_units,
3249 MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl,
3250 n_vis_no_unit, vis_no_unit): Move scheduling visualization
3251 functions/variables...
3252 * sched-vis.c: ...here. New file.
3253 (visualize_alloc, visualize_free): New functions.
3254 (visualize_scheduled_insns, visualize_stall_cycles,
3255 print_block_visualization): Lose basic block argument. All callers
3257 (visualize_scheduled_insns): Use new function get_unit_last_insn.
3258 * sched-int.h (current_sched_info, sched_dump): Declare.
3259 (init_target_units, insn_print_units, init_block_visualization,
3260 print_block_visualization, visualize_scheduled_inns,
3261 visualize_no_unit, visualize_stall_cycles, visualize_alloc,
3262 visualize_free): Declare functions.
3264 * sched-int.h: New file.
3265 * Makefile.in (haifa-sched.o): Depend on it.
3266 * haifa-sched.c: Include it.
3267 (no_real_insns_p): New function.
3268 (current_sched_info): New static variable.
3269 (__inline, HAIFA_INLINE): Moved to sched-int.h.
3270 (get_block_head_tail): Minor cleanup.
3271 (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p,
3272 rgn_print_insn, rgn_rank): New functions, broken out of
3273 rank_for_schedule, schedule_insn and schedule_block, where they
3274 are now called through function pointers in current_sched_info.
3275 (queue_insn, schedule_insn, queue_to_ready, debug_ready_list,
3276 print_insn): To display uid and block number, call the print_insn
3277 function pointer in current_schedule_info.
3278 (region_sched_info): New static variable.
3279 (sched_target_n_insns, sched_n_insns, target_n_insns): New global
3280 variables, moved out of schedule_block.
3281 (schedule_block): Return void. All callers changed.
3282 Move some of the setup code into schedule_region. Get head/tail
3283 from current_sched_info, and update it when done.
3284 (schedule_region): Slightly rearranged, some code moved here from
3285 schedule_block. Call no_real_insns_p to avoid doing work for a
3286 block that consists only of notes and labels.
3287 (schedule_insns): Initialize current_sched_info.
3289 2000-12-03 Neil Booth <neilb@earthling.net>
3291 * cppmacro.c (funlike_invocation_p): Re-disable macros enabled
3292 by contexts drops AFTER argument pre-expansion, so that they
3293 remain enabled during argument pre-expansion.
3294 (_cpp_pop_context): Unconditionally re-enable a macro when
3295 dropping a context level.
3297 2000-12-03 Manfred Hollstein <manfredh@redhat.com>
3299 * arm/t-linux (MULTILIB_OPTIONS): Comment.
3300 (MULTILIB_DIRNAMES): Likewise.
3301 (EXTRA_MULTILIB_PARTS): Likewise.
3303 (INSTALL_LIBGCC): Likewise.
3305 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3307 * builtins.c (expand_builtin_strcat, expand_builtin_strncat,
3308 expand_builtin_strspn, expand_builtin_strcspn): New functions.
3309 (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
3310 BUILT_IN_STRSPN and BUILT_IN_STRCSPN.
3312 * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT,
3313 BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries.
3315 * c-common.c (c_common_nodes_and_builtins): Declare builtin
3316 strcat, strncat, strspn and strcspn.
3317 (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'.
3319 * extend.texi (strcat, strcspn, strncat, strspn): Document new
3322 2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3324 * builtins.c (expand_builtin_strcmp): Use const*_rtx when
3325 expanding strcmp at compile-time. Add another transformation.
3326 (expand_builtin_strncmp): Add more transformations. Call
3327 expand_builtin_memcmp, not expand_builtin_strcmp, under
3328 appropriate conditions if HAVE_cmpstrsi.
3330 2000-12-02 David Edelsohn <edelsohn@gnu.org>
3332 * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis
3334 (cr logic): Really make operands sequential.
3336 2000-12-02 Geoffrey Keating <geoffk@redhat.com>
3338 * c-common.c (combine_strings): When the ISO C standard specifies
3339 the maximum length of a string, it doesn't include the trailing
3342 * cpplib.c (do_ifdef): Add check_eol() call.
3343 (do_ifndef): Likewise.
3345 2000-12-02 Daniel Berlin <dberlin@redhat.com>
3346 Bruce Korb <bkorb@gnu.org>
3348 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
3349 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
3350 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
3351 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
3352 use the "__need_" hackery. It breaks them.
3353 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
3354 Sometimes on DOS and BeOS the temp output file cannot be opened.
3355 Skip the file noisily. Ought to be fixed instead.
3357 2000-12-02 Bruce Korb <bkorb@gnu.org>
3359 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * fixfixes.c (emit_gnu_type, format_write): Prototype.
3362 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
3363 custom uppercase ctype macros.
3364 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
3365 Use gcc's custom uppercase ctype macros.
3367 (machine_matches): Add static prototype and constify variable.
3368 (create_file, test_test, egrep_test): Add static prototype.
3369 (quoted_file_exists): Likewise, and constify parameters.
3370 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
3371 write_replacement, test_for_changes): Add static prototype.
3372 (write_replacement, test_for_changes): Delete excess argument to
3374 * fixtests.c (test): Make static.
3375 * server.c (load_data, sig_handler, server_setup, find_shell): Add
3377 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
3379 2000-12-02 Bruce Korb <bkorb@gnu.org>
3381 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
3382 (per Laurynas Biveinis <lauras@softhome.net>)
3384 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
3386 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
3388 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
3389 (REGNO_OK_FOR_FOR_BASE_P): Delete.
3390 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
3391 both strict and non-strict uses.
3392 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
3393 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
3394 (REG_OK_FOR_INDEX_P): Define in terms of above.
3395 (REG_OK_FOR_BASE_P): Delete.
3396 (REG_OK_FOR_PRE_POST_P): Delete.
3397 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
3398 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
3399 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
3400 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
3401 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
3402 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
3403 in pre/post increment cases.
3404 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
3405 (ARM_LEGITIMIZE_ADDRESS): Similarly.
3406 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
3407 * arm.c (legitimate_pic_address): Similarly.
3409 2000-12-02 Neil Booth <neilb@earthling.net>
3411 * tradcpp.c (struct answer, parse_assertion, parse_answer,
3412 canonicalize_text, find_answer): New.
3413 (do_assert, do_unassert): Provide appropriate function bodies.
3414 (union hashval): New member answers.
3416 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
3418 * config/avr/avr.md: Document UNSPEC usage.
3419 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
3420 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
3421 MEM for program memory word reference. Do not add the label to
3422 the table index in each of the asm output templates, instead ...
3423 (casesi): ... do it in RTL. Adjust to match the above change.
3425 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
3427 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
3428 * c-decl.c: ... not here.
3430 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
3431 (old_max_uid): New variable.
3432 (compute_forward_dependences): Renamed from
3433 compute_block_forward_dependences; changed to accept block head and
3434 tail instead of block number. Caller changed.
3435 (free_deps, init_dependency_caches, free_dependency_caches,
3436 init_regions, sched_init): New functions, split out from
3437 schedule_insns and compute_block_backward_dependences.
3439 2000-12-02 Neil Booth <neilb@earthling.net>
3441 * cppexp.c (parse_number): Update diagnostic test.
3443 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
3445 * reload1.c (free_for_value_p): New function, frontend to
3446 reload_reg_free_for_value_p. All callers of the latter now call
3447 this function with an additional mode argument.
3449 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3451 * install.texi (Configurations): Remove obsolete documentation for
3454 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3456 * install.texi (Installation): Remove obsolete description for
3457 libstdc++ which is now an integral part of GCC.
3459 2000-12-01 Jim Blandy <jimb@redhat.com>
3461 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
3462 invisible reference in registers, but then spilled to the stack.
3463 Remove code to emit a second stab for such parameters; it attempts
3464 to describe the value's location by introducing a synthetic C++
3465 `reference' type, and then saying the stack slot has that
3466 reference type. This loses type information (breaking GDB's
3467 `ptype' command, among other things) just to describe a location
3468 which stabs can represent correctly in other ways.
3470 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
3472 * final.c (output_addr_const) <PLUS>: Don't assume at least one
3473 operand is a CONST_INT.
3475 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
3476 (machine_dependent_reorg): Split all insns.
3477 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
3478 reg_class_contents[SIBCALL_REGS].
3479 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
3480 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
3481 call_value_pcrel, call, call_value, sibcall): Match even when
3483 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
3485 (sibcalli): Likewise.
3487 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
3489 * c-common.c (warn_format, warn_format_y2k,
3490 warn_format_extra_args, warn_format_nonliteral): Define.
3491 (check_format_info): Check warn_format_nonliteral and
3492 warn_format_extra_args.
3493 (check_format_info_main): Check warn_format_y2k.
3494 (set_Wformat): New function.
3495 * c-common.h (warn_format_y2k, warn_format_extra_args,
3496 warn_format_nonliteral, set_Wformat): Declare.
3497 * c-decl.c (warn_format): Remove definition.
3498 (c_decode_option): Handle -Wformat-nonliteral,
3499 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
3501 * invoke.texi: Document these new options and -Wformat=2.
3502 * toplev.c (documented_lang_options): Add these new options.
3504 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
3506 * builtins.def (BUILT_IN_IMAXABS): Add.
3507 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
3508 * c-common.c (c_common_nodes_and_builtins): Create builtin
3509 functions __builtin_imaxabs, and plain imaxabs unless
3510 flag_no_nonansi_builtin outside C99 mode.
3511 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
3512 * extend.texi: Document builtin imaxabs.
3514 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
3516 * c-common.c: Include "defaults.h".
3517 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
3518 (c_common_nodes_and_builtins): Create string_type_node,
3519 const_string_type_node, wint_type_node, intmax_type_node,
3520 uintmax_type_node, default_function_type, ptrdiff_type_node and
3521 unsigned_ptrdiff_type_node.
3522 * c-common.h (identifier_global_value): Declare.
3523 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
3524 (init_decl_processing): Don't create string_type_node,
3525 const_string_type_node, wint_type_node, intmax_type_node,
3526 uintmax_type_node, default_function_type, ptrdiff_type_node and
3527 unsigned_ptrdiff_type_node.
3528 (identifier_global_value): New function.
3530 2000-12-01 Neil Booth <neilb@earthling.net>
3532 * cppinit.c (initialize): Forgotten prototype.
3533 * cpplex.c (_cpp_lex_token): Loop until not skipping.
3534 Always clear PREV_WHITE upon meeting a new line.
3535 * cpplib.c (end_directive): Set pfile->skipping after
3537 * cpplib.h (cpp_reader): Remove macro_pos.
3538 * cppmacro.c (cpp_get_line): Don't do anything special inside
3540 (parse_arg): Add PREV_WHITE if a token appears after new lines.
3541 (funlike_invocation_p): Save and restore the output position
3542 over a successful check for a '('.
3543 (enter_macro_context): Delete uses of macro_pos.
3544 (cpp_get_token): Don't use pfile->skipping.
3546 2000-12-01 Phil Edwards <pme@sources.redhat.com>
3548 * diagnostic.c: Fix typos in comments.
3549 * diagnostic.h: Likewise.
3551 2000-11-30 Phil Edwards <pme@sources.redhat.com>
3553 * rtl.texi (Machine Modes): Document BImode and OImode.
3555 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
3557 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
3560 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
3562 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
3563 incomplete element type.
3564 (grokparms): Before checking for incomplete parameter type, check
3565 the type isn't error_mark_node.
3567 2000-12-01 Jakub Jelinek <jakub@redhat.com>
3569 * builtins.c (target_char_cast): New function.
3570 (expand_builtin_strchr): Use it.
3571 (expand_builtin_strrchr): Use it.
3572 (builtin_memset_read_str): New function.
3573 (expand_builtin_memset): Use target_char_cast.
3574 Try to optimize memset with second argument non-zero using
3577 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
3579 * install.texi (avr): Replace incomplete list of supported MCU
3580 types with a link to the current one ...
3581 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
3582 all supported MCU types. Document -minit-stack= default.
3583 Document new options -mno-tablejump, -mtiny-stack.
3584 * md.texi (AVR family): Fix typo in 'w' constraint letter
3585 description. Document 'q'. Update 'O'.
3587 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
3589 * combine.c (cant_combine_insn_p): Only disallow insns involving
3590 hard regs if they are reg-reg moves.
3591 (try_combine, can_combine_p, combinable_i3pat): Delete old
3592 SMALL_REGISTER_CLASSES tests.
3594 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
3596 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
3597 whether X is a CONST_INT.
3598 (addsubcosts): Likewise.
3600 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
3602 (ARG_POINTER_REGNUM): Set to AP_REG.
3604 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
3606 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
3607 splits): Only match on TARGET_SH4.
3609 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
3610 of subsequent insns.
3612 2000-11-30 Richard Henderson <rth@redhat.com>
3614 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
3615 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
3617 2000-11-30 Richard Henderson <rth@redhat.com>
3619 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
3620 (DO_SELECT_SECTION): New.
3621 (SELECT_SECTION): Use it.
3622 (UNIQUE_SECTION_P): New.
3623 (UNIQUE_SECTION): New.
3625 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
3627 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
3628 from va_list before using it.
3630 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
3632 * flow.c (make_edge): Early out, if no flags to set.
3633 (calculate_global_regs_live): Clear out garbage only when necessary.
3635 * simplify-rtx.c (varray_type used_regs): New.
3636 (clear_table): Use it to only clear necessary items.
3637 (cselib_lookup, cselib_record_set): Remember newly set items.
3638 (cselib_update_varray_sizes, cselib_init): Initialize and grow
3641 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
3642 Move clearing of dead regs out of insn-loop.
3644 2000-11-30 Richard Henderson <rth@redhat.com>
3646 * calls.c (expand_call): Emit queued insns before creating
3647 the tail recursion sequence.
3649 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
3650 Bruce Korb <bkorb@gnu.org>
3652 * fixinc/inclhack.def(): prevent dual double definition protection
3653 * fixinc/fixincl.x: regenerate
3655 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
3657 * fixinc/Makefile.in (fixincl.x): Explicitly state the
3658 location of the generated file.
3660 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3662 * README.FRESCO: Remove obsolete file.
3664 2000-11-30 Mark Kettenis <kettenis@gnu.org>
3666 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
3667 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
3668 config/t-linux for the Hurd.
3670 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3672 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
3673 config/mn10200/udivmodsi4.c: Moved from here.
3674 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
3675 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
3676 C division functions.
3677 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
3679 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
3681 * pa.md (conditional moves): Avoid holes in operand list.
3682 (mod, umod patterns): Similarly.
3683 (variable extract/shift patterns): Similarly.
3685 2000-11-30 Neil Booth <neilb@earthling.net>
3687 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
3688 maybe_objc_check_decl, build_objc_string_object,
3689 objc_declare_alias, objc_declare_class, build_message_expr,
3690 build_protocol_expr, build_selector_expr, build_encode_expr,
3691 get_class_ivars, start_class, start_protocol): Remove
3692 redundant code, assuming doing_objc_thang is true.
3694 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3696 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
3697 (record_unscaled_index_insn_codes): Likewise.
3698 (unscaled_index_insn_codes): Delete.
3699 (max_unscaled_index_insn_codes_uid): Delete.
3700 (output_function_prologue, output_function_epilogue, pa_reorg):
3701 Don't use the unscaled index insn hack.
3703 * pa.md: Remove hack from all index insns to reverse the operand
3704 order of frame and stack pointer references incorrectly created
3707 * function.h (emit_status): Delete member regno_pointer_flag and
3708 rename regno_pointer_flag_length to regno_pointer_align_length.
3709 Delete define for REGNO_POINTER_FLAG.
3710 * integrate.h (inline_remap): Delete member regno_pointer_flag.
3711 Add member x_regno_reg_rtx.
3712 * rtl.h (rtx_def): Use frame_related bit to indicate register is
3713 a pointer in REG expressions. Define REG_POINTER macro.
3714 * alias.c (find_base_value, find_base_term): Use REG_POINTER
3715 instead of REGNO_POINTER_FLAG.
3716 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
3717 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
3718 of regno_pointer_flag_length. Remove code which refers to
3720 (mark_reg_pointer): Use REG_POINTER.
3721 (free_emit_status): Remove code which refers to regno_pointer_flag.
3722 (init_emit, mark_emit_status): Likewise.
3723 * flow.c (dump_flow_info): Likewise.
3724 * function.c (preserve_temp_slots): Likewise.
3725 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
3726 Use x_regno_reg_rtx instead of regno_pointer_flag for function
3727 pointer determination in map.
3728 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
3729 * predict.c (estimate_probability): Likewise.
3730 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
3731 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
3732 regno_pointer_flag for function pointer determination in map.
3733 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
3735 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
3737 (restore_unscaled_index_insn_codes): Revise comment.
3739 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
3741 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
3743 * extend.texi: Update documentation for attributes.
3745 2000-11-29 David O'Brien <obrien@FreeBSD.org>
3747 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
3748 (ASM_DECLARE_OBJECT_NAME): Same.
3749 (ASM_FILE_END): Same.
3750 (ASM_FINISH_DECLARE_OBJECT): Same.
3751 (ASM_IDENTIFY_GCC): Same.
3752 (ASM_IDENTIFY_LANGUAGE): Same.
3753 (ASM_OUTPUT_CONSTRUCTOR): Same.
3754 (ASM_OUTPUT_DEF): Same.
3755 (ASM_OUTPUT_DESTRUCTOR): Same.
3756 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
3757 (ASM_OUTPUT_SECTION_NAME): Same.
3758 (ASM_WEAKEN_LABEL): Same.
3759 (BSS_SECTION_ASM_OP): Same.
3760 (COMMON_ASM_OP): Same.
3761 (CONST_SECTION_ASM_OP): Same.
3762 (CONST_SECTION_FUNCTION): Same.
3763 (CTORS_SECTION_ASM_OP): Same.
3764 (DTORS_SECTION_ASM_OP): Same.
3766 (FINI_SECTION_ASM_OP): Same.
3767 (IDENT_ASM_OP): Same.
3768 (IDENT_ASM_OP): Same.
3769 (INIT_SECTION_ASM_OP): Same.
3771 (MAX_OFILE_ALIGNMENT): Same.
3772 (SBSS_SECTION_ASM_OP): Same.
3773 (SDATA_SECTION_ASM_OP): Same.
3774 (SECTION_FUNCTION_TEMPLATE): Same.
3775 (SELECT_SECTION): Same.
3776 (SE_CONST_SECTION): Same.
3777 (SIZE_ASM_OP): Same.
3778 (SKIP_ASM_OP): Same.
3779 (STRING_ASM_OP): Same.
3780 (STRING_LIMIT): Same.
3781 (TYPE_ASM_OP): Same.
3782 (TYPE_OPERAND_FMT): Same.
3784 2000-11-29 Neil Booth <neilb@earthling.net>
3786 * c-decl.c (c_decode_option): Don't handle -lang-objc.
3787 * objc/lang-options.h: Remove -lang-objc.
3788 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
3789 * objc/objc-act.c (lang_init_options): Set c_language.
3791 2000-11-29 Jakub Jelinek <jakub@redhat.com>
3793 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
3796 2000-11-29 Neil Booth <neilb@earthling.net>
3798 * c-pragma.c (init_pragma): Update for parse_in type change.
3800 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
3802 * configure.in: recognize DOS-style absolute paths.
3804 2000-11-29 Jakub Jelinek <jakub@redhat.com>
3806 * expr.h (store_by_pieces): Add prototype.
3807 (can_store_by_pieces): Likewise.
3808 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
3809 (can_store_by_pieces): New.
3810 (store_by_pieces): New.
3811 (clear_by_pieces): New.
3812 (clear_by_pieces_1): New.
3813 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
3814 arbitrary compiler generated constants into memory block.
3815 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
3816 * builtins.c (c_readstr): New.
3817 (builtin_memcpy_read_str): New.
3818 (expand_builtin_memcpy): If src is string constant and
3819 emit_block_move would move it by pieces, compute integer constants
3820 from the string and store it into memory block instead.
3821 (builtin_strncpy_read_str): New.
3822 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
3823 not return INTEGER_CST, don't optimize.
3824 If N is larger than strlen(src) + 1, try to copy the string
3825 including padding with store_by_pieces.
3826 (expand_builtin_strcmp): If both arguments have side effects, don't
3828 (expand_builtin_fputs): If STR has side effects, don't optimize.
3830 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
3832 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
3833 Add use of link register.
3835 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
3837 * extend.texi: Update documentation for default format attributes.
3839 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
3841 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
3842 a list, to keep track of the sections.
3844 2000-11-28 Nick Clifton <nickc@redhat.com>
3846 * config/arm/arm.md (pic_load_addr): Split into
3847 pic_load_addr_arm and pic_load_addr_thumb.
3849 * config/arm/arm.c (legitimize_pic_address): Generate either
3850 ARM or Thumb versions of pic_load_addr.
3851 (arm_finalize_pic): Generate either ARM or Thumb versions of
3854 2000-11-28 Richard Henderson <rth@redhat.com>
3856 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
3857 after sibcall do_pending_stack_adjust.
3859 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
3861 * jump.c (delete_insn): Check that REG_LABEL note actually contains
3864 2000-11-28 Neil Booth <neilb@earthling.net>
3866 * c-common.h: Remove flag_digraphs.
3867 * c-decl.c: Remove flag_digraphs.
3868 (c_decode_option): Don't set it.
3869 * c-lex.c (init_c_lex): Don't do anything for digraphs.
3871 2000-11-28 Richard Henderson <rth@redhat.com>
3873 * c-parse.in (finish_parse): Update for parse_in type change.
3876 2000-11-28 Neil Booth <neilb@earthling.net>
3878 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
3879 indicating whether to scan all buffers on the stack or
3881 * cppinit.c (do_includes): Update.
3882 * cppmain.c (main): Update.
3883 * cpplib.h: Update prototype.
3885 2000-11-28 Richard Henderson <rth@redhat.com>
3887 * genoutput.c (validate_insn_operands): New.
3888 (gen_insn): Call it.
3890 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
3891 (divmoddi_internal): Likewise.
3892 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
3893 * config/i960/i960.md (branch patterns): Likewise.
3894 * config/ia64/ia64.md (tbit_and_0): Likewise.
3895 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
3896 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
3897 * config/mips/mips.md (divmodsi4_internal): Likewise.
3898 (divmoddi4_internal): Likewise.
3899 * config/rs6000/rs6000.md (call patterns): Likewise.
3900 * config/sh/sh.md (movsi_y): Likewise.
3901 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
3903 2000-11-28 Richard Henderson <rth@redhat.com>
3905 * config.gcc: Kill residual pyramid support.
3907 2000-11-28 Neil Booth <neilb@earthling.net>
3909 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
3910 * c-decl.c (c_decode_option): Update to match.
3911 * c-lex.c (init_c_lex, yyparse): Update to match.
3912 * c-lang.c (lang_init_options): Use cpp_create_reader.
3913 * cppinit.c (cpp_init): Rename initialize.
3914 (cpp_reader_init): Rename cpp_create_reader. Create the
3915 reader. Initialize cpplib if appropriate.
3916 * cpplib.h (cpp_create_reader) New prototype.
3917 (cpp_init, cpp_reader_init): Delete prototypes.
3918 * cppmain.c (general_init, setup_callbacks): New functions.
3920 * fix-header.c (scan_in): Change type to cpp_reader *.
3921 (read_scan_file): Update for new cpplib interface and scan_in type.
3923 * cp/decl.c (parse_in): Change to cpp_reader *.
3924 (lang_decode_option): Update.
3925 * cp/lex.c (lang_init_options): Use new cpplib interface.
3926 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
3927 * cp/spew.c (read_token): Update.
3928 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
3930 2000-11-28 Jakub Jelinek <jakub@redhat.com>
3932 * loop.c (load_mems): Avoid using next_label to find end_label. If
3933 jumping outside of the loop (other than loop end), don't hoist MEMs
3936 2000-11-28 Jan Hubicka <jh@suse.cz>
3938 * calls.c (expand_call): Don't disable tail recursion based
3941 2000-11-28 Neil Booth <neilb@earthling.net>
3943 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
3944 (struct directive): Drop 4th argument from handlers.
3945 (do_define, do_line, do_include, do_undef, do_else, do_elif,
3946 do_endif): Similarly.
3947 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
3948 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
3949 (make_definition, make_undef): Take a const char*.
3950 (make_assertion): New function.
3951 (struct directive_table): Update.
3952 (main): Handle -A command line argument.
3953 (handle_directive): Drop fourth handler argument.
3955 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
3957 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
3958 is anything but REG or MEM, but look inside STRICT_LOW_PART.
3960 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3962 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
3963 (IS_ABSOLUTE_PATHNAME): New macro.
3964 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
3966 2000-11-28 Jakub Jelinek <jakub@redhat.com>
3968 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
3970 2000-11-27 Jim Wilson <wilson@redhat.com>
3972 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
3974 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
3976 * extend.texi (Nested Functions): Update URL of Usenix paper.
3978 2000-11-27 Mark Mitchell <mark@codesourcery.com>
3980 * function.c (free_after_compilation): Clear x_clobber_return_insn.
3982 2000-11-27 Neil Booth <neilb@earthling.net>
3984 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
3985 command line options.
3986 (cpp_handle_option): Similarly.
3987 * cpplib.h (struct cpp_options): Remove warn_paste.
3988 * cppmacro.c (paste_tokens): Apart from assembler, make
3989 unpasteable token warning mandatory.
3991 2000-11-27 Neil Booth <neilb@earthling.net>
3993 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
3994 (main): Allocate a pending directive set of these. Use it.
3995 Merge handling of -D and -U. Update handling of pending
3996 directives. Free the memory after use.
3998 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
4000 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
4001 (struct propagate_block_info): Add new member cond_local_set.
4002 (propagate_block): Accept new arg cond_local_set. All callers
4004 (init_propagate_block_info): Likewise.
4005 (calculate_global_regs_live): Allocate & free cond_local_set. Always
4006 rescan if there's overlap between cond_local_set and new_live_at_end.
4007 (mark_set_1): Set bits either in cond_local_set or local_set, as
4009 * basic-block.h (struct basic_block_def): New field cond_local_set.
4010 (propagate_block, init_propagate_block_info): Update prototypes.
4012 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
4014 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
4017 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
4019 * arm.c (select_dominance_cc_mode): Handle new way that combine
4020 canonicalizes conditional compares.
4021 (arm_select_cc_mode): Likewise.
4022 * arm.md: Garbage collect some dead code.
4023 (cmp_and, cmp_ior): New patterns.
4024 (splitter for conditional move with inverted false): Use cond_exec
4025 and handle unordered comparisons.
4027 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
4029 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
4030 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
4031 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
4032 ix86_force_to_memory and ix86_free_from_memory.
4034 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
4036 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
4037 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
4038 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
4039 one_cmpldi2): Merge with splitters to create define_insn_and_split
4040 patterns. Remove redundant splits.
4041 (peephole2 for add:SI of invalid immediate): New.
4042 (peephole2 for minus:SI of invalid immediate): New.
4043 (peephole2 for ior:SI of invalid immediate): New.
4044 (peephole for merge of move and compare): Convert ot peephole2.
4045 (addsf3, adddf3): Mark as commutative.
4047 * arm.md (thumb peephole for merging stack adjustments): Convert to
4050 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
4052 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
4054 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
4055 (reload_cse_simplify_operands): Do nothing about operands where both
4056 the operand and the match_operand fail to give us a mode.
4057 * simplify-rtx.c (wrap_constant): New function.
4058 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
4059 CONST describing the proper mode.
4060 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
4062 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
4063 htab_find_slot_with_hash.
4064 (cselib_lookup): Likewise.
4066 Based on a patch from Geoff Keating <geoffk@redhat.com>:
4067 * loop.c (basic_induction_var): If a REG is set from something
4068 that is not a biv, then the REG is not a biv. Even if it is
4069 earlier set from something that is a biv.
4071 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
4073 * configure.in (extra_objs): Enclose extra_headers in quotes.
4074 * configure: Rebuilt.
4076 2000-11-27 Neil Booth <neilb@earthling.net>
4078 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
4079 Combine into the new function cb_change_file.
4080 (init_c_lex): Update.
4081 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
4082 (cpp_syshdr_flags): Delete.
4083 * cpphash.h (_cpp_do_file_change): New prototype.
4084 Move struct cpp_buffer here from...
4085 * cpplib.h (struct cpp_buffer): ... here.
4086 (enum cpp_fc_reason, struct cpp_file_loc,
4087 struct_cpp_file_change, change_file): New.
4088 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
4089 * cpplib.c (do_line): Update for new cb_change_file callback.
4090 (_cpp_do_file_change): New function.
4091 (_cpp_pop_buffer): Update to use it.
4092 * cppmain.c (move_printer): Delete.
4093 (main): Set up single callback cb_change_file.
4094 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
4095 (cb_change_file): New.
4096 * fix-header.c (cur_file, cb_change_file): New.
4097 (recognized_function, read_scan_file): Update.
4098 * scan-decls.c (scan_decls): Update.
4099 * scan.h (recognized_function): Update prototype.
4101 2000-11-26 Mark Mitchell <mark@codesourcery.com>
4103 * tree.h (mark_tree_hashtable): New function.
4104 * tree.c (mark_tree_hashtable_entry): New function.
4105 (mark_tree_hashtable): Likewise.
4107 2000-11-27 Michael Meissner <meissner@redhat.com>
4109 * d30v-protos.h (srelational_si_operator): Correctly spell
4111 (urelational_si_operator): Ditto.
4112 (relational_si_operator): Ditto.
4113 (d30v_expand_prologue): Add prototype.
4114 (d30v_expand_epilogue): Ditto.
4116 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
4118 * d30v.md (movcccc_*): Delete now unused patterns.
4119 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
4121 (define_cond_exec): Use 'b' to select branch flags.
4123 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4125 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
4127 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
4129 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
4131 * c-common.c (c_common_nodes_and_builtins): Declare builtin
4132 strncpy and strncmp.
4134 * extend.texi (strncmp, strncpy): Document new builtins.
4136 2000-11-26 Mark Mitchell <mark@codesourcery.com>
4138 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
4139 a list, to keep track of the sections.
4140 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
4141 parameter provided will always be a canonical string.
4143 2000-11-26 Neil Booth <neilb@earthling.net>
4145 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
4148 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
4150 * makefile.vms: Remove EGCS references.
4152 2000-11-26 Ulrich Drepper <drepper@redhat.com>
4154 * dwarf2out.c (output_file_names): New function. Compute minimal
4155 combination of directory and file name table and emit them.
4156 (output_line_info): Remove code to emit directory and file name
4157 table and call output_file_names instead.
4158 (file_info_cmp): Helper function to sort directory names.
4160 2000-11-26 Neil Booth <neilb@earthling.net>
4162 * cpplib.h (struct cpp_reader): Remove lang_asm.
4163 (struct cpp_options): Remove c89. New members lang,
4165 * cppexp.c (parse_number): Use them.
4166 * cpphash.h (VALID_SIGN): Use them.
4167 * cppinit.c (set_lang, cpp_start_read): Update.
4168 * cpplex.c (parse_string, _cpp_lex_token): Update.
4169 * cpplib.c (_cpp_handle_directive): Update.
4170 * cppmacro.c (parse_args): Update.
4171 * cppmain.c (scan_buffer): Update.
4173 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4175 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
4178 2000-11-26 Neil Booth <neilb@earthling.net>
4180 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
4181 * c-decl.c: Remove parse_in declaration.
4182 * c-lang.c: Similarly.
4183 * c-lex.c: Similarly.
4184 * c-parse.in: Similarly.
4185 * c-pragma.c: Similarly.
4186 * configure.in: Similarly.
4187 * cp/Make-lang.in: Similarly.
4188 * cp/spew.c: Similarly.
4189 * cp/decl2.c: Remove check for lang-c++ option.
4190 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
4191 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
4192 * c-lex.h: Add declaration of parse_in.
4193 * cppinit.c: Call set_lang after allocating pfile->pending.
4194 * configure: Regenerate.
4196 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
4198 * combine.c (try_combine): Remove redundant test.
4200 2000-11-25 Richard Henderson <rth@redhat.com>
4202 * c-common.h (DECL_C_HARD_REGISTER): New.
4203 * c-decl.c (finish_decl): Set it for asm register variables.
4204 * c-semantics.c (emit_local_var): Test it when instantiating one.
4206 2000-11-25 Richard Henderson <rth@redhat.com>
4208 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
4209 lineno for the start of the function.
4211 2000-11-25 Richard Henderson <rth@redhat.com>
4213 * dwarf2out.c (file_table, file_table_allocated): Remove.
4214 (file_table_allocated): Remove.
4215 (struct file_table): New.
4216 (decl_file_table, line_file_table): New.
4217 (print_dwarf_line_table): Use them.
4218 (size_of_line_prolog): Likewise.
4219 (output_line_info): Likewise.
4220 (add_src_coords_attributes): Likewise.
4221 (gen_subprogram_die): Likewise.
4222 (gen_variable_die): Likewise.
4223 (dwarf2out_add_library_unit_info): Likewise.
4224 (dwarf2out_line): Likewise.
4225 (lookup_filename): Take a struct file_table argument.
4226 (init_file_table): New.
4227 (dwarf2out_init): Use it.
4229 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
4231 * invoke.texi: Update sequence points references.
4233 2000-11-25 Neil Booth <neilb@earthling.net>
4235 * c-common.c: Remove USE_CPPLIB conditional inclusions.
4236 * c-common.h: Similarly.
4237 * c-decl.c: Similarly.
4238 * c-lang.c: Similarly.
4239 * c-lex.c: Similarly.
4240 * c-parse.in: Similarly.
4241 * c-pragma.c: Similarly.
4242 * c-pragma.h: Similarly.
4244 * toplev.c: Similarly.
4245 * cp/cp-tree.h: Similarly.
4246 * cp/decl2.c: Similarly.
4247 * cp/lang-specs.h: Similarly.
4248 * cp/lex.c: Similarly.
4249 * cp/lex.h: Similarly.
4250 * cp/spew.c: Similarly.
4251 * java/lang-options.h: Similarly.
4252 * objc/lang-specs.h: Similarly.
4253 * objc/objc-act.c: Similarly.
4255 * configure.in: Remove configure option.
4256 * config.in: Regenerate.
4257 * configure: Regenerate.
4259 2000-11-25 Richard Henderson <rth@redhat.com>
4261 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
4262 Revert 2000-11-22 change.
4264 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
4266 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
4269 2000-11-25 Philipp Thomas <pthomas@suse.de>
4270 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
4271 * configure: Rebuilt.
4273 2000-11-25 Jakub Jelinek <jakub@redhat.com>
4275 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
4276 Handle CONST_INT as second argument.
4277 * config/sparc/sparc.c (set_extends): Remove first argument.
4278 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
4280 (sparc_check_64): Abort if first argument is not REG.
4281 If it is DImode REG, look at the lower register of the register
4284 * config/sparc/sparc.c (load_pic_register, restore_regs,
4285 output_return, sparc_v8plus_shift, sparc_function_profiler,
4286 sparc_function_block_profiler, sparc_block_profiler): Fix output
4289 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
4291 * config/sh/sh.h (TARGET_NONE): New.
4292 (TARGET_SWITCHES): For all variant-selecting switch, use
4293 TARGET_NONE to reset all other variant-selecting switch. Added
4294 empty strings to avoid warnings.
4295 (TARGET_DEFAULT): Set to SH1_BIT.
4297 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
4300 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
4301 (sibcall_pcrel): New insn_and_split.
4302 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4304 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
4305 symPLT_label2reg, call, call_value): Don't set
4306 current_function_uses_pic_offset_table.
4307 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
4308 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
4309 takes it into account.
4310 (FINALIZE_PIC): Delete, useless.
4311 (LEGITIMATE_CONSTANT_P): Delete, unused.
4312 * config/sh/sh.c (sh_expand_prologue): Don't use
4313 current_function_uses_pic_offset_table. Don't special-case
4314 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
4316 (sh_expand_epilogue, initial_elimination_offset): Don't
4317 special case PIC_OFFSET_TABLE_REGNUM.
4319 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
4321 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
4322 * config/sh/sh.md (UNSPEC_CALLER): New constant.
4323 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
4324 (call_pcrel, call_value_pcrel): New insn_and_splits.
4325 (call, call_value): Use them.
4326 (call_site): New expand.
4327 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
4328 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
4329 Output call_site label.
4330 (PREDICATE_CODES): Added symbol_ref_operand.
4331 * config/sh/sh.c (symbol_ref_operand): Define.
4332 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
4333 to CALL_INSNs in the split sequence.
4335 2000-11-24 Nick Clifton <nickc@redhat.com>
4337 * config.gcc (v850-*-*): Define c_target_objs and
4340 * config/v850/t-v850: Define how to build v850-c.o
4342 * config/v850/v850.h (struct data_area_stack_element): Move
4343 definition here from v850.c.
4345 * config/v850v850.c: Include gcc.h to avoid compile time
4347 (push_data_area): Move to v850-c.c.
4348 (pop_data_area): Move to v850-c.c.
4349 (mark_current_function_as_interrupt): Move to v850-c.c.
4350 (GHS_default_section_names): Allow to be exported.
4351 (GHS_current_section_names): Allow to be exported.
4352 (data_area_stack_elements): Allow to be exported.
4353 (ghs_pragma_section): Move to v850-c.c.
4354 (ghs_pragma_interrupt): Move to v850-c.c.
4355 (ghs_pragma_starttda): Move to v850-c.c.
4356 (ghs_pragma_startsda): Move to v850-c.c.
4357 (ghs_pragma_startzda): Move to v850-c.c.
4358 (ghs_pragma_endtda): Move to v850-c.c.
4359 (ghs_pragma_endsda): Move to v850-c.c.
4360 (ghs_pragma_endzda): Move to v850-c.c.
4362 * config/v850/v850-c.c: New file: Contains v850 specific
4363 pragma parsing functions.
4365 2000-11-24 Nick Clifton <nickc@redhat.com>
4367 * config.gcc (extra_objs): Remove duplicate description.
4368 (c_target_objs): New variable. Contains target specific
4369 object files for the gcc C compiler only.
4370 (cxx_target_objs): New variable. Contains target specific
4371 object files for the gxx C++ compiler only.
4373 * configure.in (c_target_objs): Substitute in the makefile.
4374 (cxx_target_objs): Substitute in the makefile.
4375 * configure: Regenerate.
4377 * Makefile.in (C_TARGET_OBJS): Define and initialise from
4379 (CXX_TARGET_OBJS): Define and initialise from
4381 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
4383 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
4385 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
4386 about how the use of the 'c_lex' function requires the use of
4387 the target specific, language specific object files feature of
4388 the configuration mechanism.
4390 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4392 * gcc.c (process_command): Use F_OK, not R_OK.
4394 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
4396 * flow.c (print_rtl_and_abort): Remove ANSIism.
4398 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
4400 * config/sh/sh.h (GENERAL_REGISTER_P,
4401 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
4402 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
4404 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
4405 * config/sh/sh.c: Use new macros.
4406 * config/sh/sh.md: Likewise.
4408 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
4410 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
4411 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
4414 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
4416 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
4418 (machine_dependent_reorg): Wrong optimization based on
4419 NOTICE_UPDATE_CC removed.
4421 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
4423 * jump.c (delete_computation): Re-instate deletion of feeding insn.
4424 (delete_insn): Look for REG_LABEL notes.
4425 (redirect_tablejump): Delete feeding insns.
4427 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
4429 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
4430 call_value_pop_1): Make sure operand numbers are contiguous.
4432 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
4434 * reload1.c (conflicts_with_override): New function.
4435 (emit_input_reload_insns): Use it to tighten test for validity
4436 of substituting into output of previous insn.
4438 * haifa-sched.c (struct ready_list): New.
4439 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
4441 (schedule_insn): Replace args READY and N_READY with a pointer to a
4442 ready_list; return void. Use the new functions to access the ready
4443 list. All callers changed.
4444 (queue_to_ready, debug_ready_list): Likewise.
4445 (schedule_block): Initialize a ready_list structure. Use new
4446 functions to access it.
4447 (max_priority): Remove unused variable.
4448 (schedule_insn): Don't set it.
4450 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
4452 * combine.c (cant_combine_insn_p): New function.
4453 (try_combine): Use it.
4455 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
4456 * c-common.c (c-obstack.c): Include "obstack.h".
4457 (struct reverse_tree): Delete.
4458 (reverse_list, reverse_max_depth): Delete.
4459 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
4460 (struct tlist, struct tlist_cache): New.
4461 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
4462 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
4463 warn_for_collisions, warn_for_collisions_1, new_tlist): New
4465 (verify_sequence_points): Rewritten.
4466 * fold-const.c (fold): Don't lose possibly important sequence
4467 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
4469 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
4471 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
4472 when reversing a register-to-register copy. Reversal now disabled
4473 when the previous instruction has a REG_EQUIV.
4475 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
4477 * c-parse.in (unary_expr): Move VA_ARG from here ...
4478 (primary): ... to here.
4480 2000-11-23 Graham Stott <grahams@redhat.com>
4482 * expr.c (store_constructor): If a field is non addressable and
4483 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
4485 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
4487 * flow.c (print_rtl_and_abort): New function.
4488 (verify_wide_reg, verify_local_live_at_start): Try to dump more
4489 information before aborting.
4491 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
4493 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
4494 is narrower than requested mode.
4495 (gen_highpart): Abort if register mode is narrower than
4498 2000-11-23 Graham Stott <grahams@redhat.com>
4500 * cse.c (cse_insn): Initialise all regcost variables.
4501 Fix a typo add missing '='.
4502 Only compare costs if there is a replacement insn.
4504 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
4506 * final.c (output_addr_const) [LABEL_REF]: Simplify.
4507 [MINUS]: Enclose non-CONST_INTs in parentheses.
4508 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
4509 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
4510 * varasm.c (decode_rtx_const) [CONST]: If it's not something
4511 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
4512 instead of abort()ing.
4513 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
4514 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
4515 formerly handled in output_pic_addr_const.
4516 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
4517 operands of MINUS in CONSTs so that decode_rtx_const() will
4520 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
4522 * config/sh/sh.md (mova_const): New pattern.
4523 (GOTaddr2picreg): Use it.
4524 * config/sh/sh.c (broken_move): Match it.
4525 (mova_p): Don't match it.
4526 (machine_dependent_reorg): Adjust it.
4528 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
4530 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
4531 Moved most register-number #defines...
4532 * config/sh/sh.md (define_constants): ... here. Use macros to
4533 refer to registers and unspecs.
4534 * config/sh/sh.c: Likewise.
4536 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
4538 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
4539 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
4540 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
4541 (splay-tree.o, hash.o): Likewise.
4543 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
4544 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
4545 (hashtab.o): Likewise.
4546 (gcov.o): Depend on $(CONFIG_H).
4547 * configure.in: #include insn-codes.h in tm.h.
4549 2000-11-22 Nick Clifton <nickc@redhat.com>
4551 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
4552 const char * to avoid a compile time warning.
4554 * config/arm/arm.md (define_constants): Define symbolic names for
4555 the link register, last integer register and the fake CC register.
4556 Update patterns to use these symbolic names.
4558 2000-11-22 Neil Booth <neilb@earthling.net>
4560 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
4561 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
4563 2000-11-22 Richard Henderson <rth@redhat.com>
4565 * haifa-sched.c (sched_analyze_1): Don't special-case calls
4566 for clobbering registers.
4567 (sched_analyze_2): Likewise.
4568 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
4570 2000-11-22 Chris Demetriou <cgd@sibyte.com>
4571 Neil Booth <neilb@earthling.net>
4573 * gcc.c (validate_switches): Validate multiple switches named
4574 in '|' (or) expressions in specs.
4575 (handle_braces): If more than 1 alternative in a '|' spec
4576 matches, call do_spec1 just once.
4578 2000-11-22 Michael Meissner <meissner@redhat.com>
4580 * d30v.h (TARGET_SWITCHES): Add documentation strings.
4581 (TARGET_OPTIONS): Ditto.
4582 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
4585 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
4587 * pa.c (hppa_encode_label): Account for addition of encoding
4588 character when allocating persistent space for the new label
4591 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
4593 * Makefile.in, config.gcc, configure.in: Expunge remaining
4594 traces of facility for running MD files through C preprocessor.
4596 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
4598 * gcov.texi: Add magic comments for texi2pod.pl.
4599 * Makefile.in: Add rules to generate and install gcov.1.
4600 * gcov.1: New (generated) file.
4602 2000-11-21 Richard Henderson <rth@redhat.com>
4604 * regrename.c (scan_rtx_reg): Terminate the chain rather than
4605 abort on mark_read with NO_REGS.
4607 2000-11-21 Mike Stump <mrs@wrs.com>
4609 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
4610 compilation with older compilers, such as /bin/cc on SunOS.
4611 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
4613 2000-11-21 Richard Henderson <rth@redhat.com>
4615 * varasm.c (record_constant): Pad the constructed
4616 constant_descriptor appropriately.
4618 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
4620 * rtl.h (traverse_md_constants): Declare.
4621 (struct md_constant): Define.
4622 * Makefile.in (HOST_RTL): Add hashtab.o .
4623 (OBJS): Add hashtab.o .
4624 (hashtab.o): New rule.
4625 (rtl.o): Depends on HASHTAB_H.
4626 * rtl.c (hashtab.h): #include.
4627 (md_constants): New static variable.
4628 (def_hash, def_name_eq_p, read_constants): New static functions.
4629 (traverse_md_constants): New function.
4630 (read_name): Do constant expansion.
4631 (read_rtx): Recognize define_constants.
4632 * gencodes.c (print_md_constant): New function.
4633 (main): Emit #defines for all constant definitions encountered.
4634 * md.texi (Constant Definitions): New node.
4635 * gensupport.c (xcalloc): New function.
4637 2000-11-21 Richard Henderson <rth@redhat.com>
4639 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
4640 * config/alpha/alpha-protos.h: Declare it.
4641 * config/alpha/alpha.md (abstf_internal): Use it.
4642 (negtf_internal): Likewise.
4643 (andnotdi3): Unstar the name.
4644 (movtf_internal): Add o/G alternative.
4646 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
4648 * stringpool.c (stringpool_statistics): Also report number and
4649 percentage of entries which are identifiers.
4651 2000-11-21 Diego Novillo <dnovillo@redhat.com>
4653 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
4654 visited before visiting it.
4656 2000-11-21 Nick Clifton <nickc@redhat.com>
4658 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
4659 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
4661 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
4663 2000-11-21 Richard Henderson <rth@redhat.com>
4665 * c-common.c (c_unsafe_for_reeval): New function.
4666 (add_c_tree_codes): Register it.
4667 * c-common.h: Declare it.
4668 * tree.c (lang_unsafe_for_reeval): New hook.
4669 (unsafe_for_reeval): Call it.
4670 * tree.h: Declare it.
4672 2000-11-21 Richard Henderson <rth@redhat.com>
4674 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
4677 2000-11-21 Neil Booth <neilb@earthling.net>
4679 * do_includes: Revert to using cpp_read_file.
4681 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
4683 * loop.c (consec_sets_giv): If the reg we're examining is anything
4684 but UNKNOWN_INDUCT, do nothing.
4685 Reset the reg's type to UNKNOWN_INDUCT before returning.
4687 Mostly from Vladimir Makarov (vmakarov@redhat.com)
4688 * ia64.md (attr itanium_class): Define insn types as described in
4690 (all insn patterns): Use itanium_class, not type attributes.
4691 Occasionally split alternatives as necessary.
4692 (attr type): Compute from new attr itanium_class.
4694 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4696 * tradcpp.c (output_line_command): Mark system headers as such in
4699 2000-11-21 Jakub Jelinek <jakub@redhat.com>
4701 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
4702 support in as as well.
4703 * configure: Regenerate.
4705 2000-11-20 Richard Henderson <rth@redhat.com>
4707 * c-lex.c (orig_filename): New variable.
4708 (init_c_lex): Set it. Move call to cpp_start_read ...
4709 (yyparse): ... here. New function.
4710 * c-parse.in (yyparse_1): Rename the parser entry point.
4711 * c-tree.h: Declare it.
4713 2000-11-21 Jakub Jelinek <jakub@redhat.com>
4715 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
4716 integer constant, use type of op1 for comparison.
4718 2000-11-20 Stan Shebs <shebs@apple.com>
4720 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
4721 * config/rs6000/x-darwin: New file, Darwin host fragment.
4722 * config.gcc (powerpc-*-darwin*): New host.
4723 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
4724 overridden by a config file.
4726 2000-11-20 Neil Booth <neilb@earthling.net>
4728 * cppmacro.c (paste_tokens): Rename from paste_payloads.
4729 Change token type after pasting spellings.
4730 (paste_all_tokens): Use it.
4731 * gcc.dg/cpp/paste2.c: Update test.
4732 * objc/execute/paste.m: New test.
4734 2000-11-20 Richard Henderson <rth@redhat.com>
4736 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
4737 dwarf_subscr_data_formats bits.
4738 * dwarfout.c (simple_type_size_in_bits): Handle a type with
4739 no computed size as size zero.
4740 (field_byte_offset): Likewise.
4741 (subscript_data_attribute): Handle a range with no upper bound.
4743 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4745 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
4747 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
4749 * c-typeck.c (build_conditional_expr): When merging type
4750 qualifiers for conditional expressions between a pointer and a
4751 pointer to a void type, merge the qualifiers on the target types
4752 rather than the pointer type. Remove obsolete conditioned out
4755 2000-11-20 Neil Booth <neilb@earthling.net>
4757 * c-lang.c (lang_init_options): Update call to
4759 * cppmain.c (main): Similarly.
4760 * fix-header.c (read_scan_file): Similarly.
4761 * cp/lex.c (lang_init_options): Similarly.
4762 * objc/objc-act.c (lang_init_options): Similarly.
4763 * cppexp.c (parse_number): Only warn for unextended C89.
4764 * cppinit.c (set_lang): New function.
4765 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
4766 (COMMAND_LINE_OPTIONS): New option std=c++98.
4767 (cpp_handle_option): Use set_lang.
4768 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
4769 * cppib.h (enum_c_lang): New enumeration. Update comments.
4771 2000-11-20 Will Cohen <wcohen@redhat.com>
4773 * calls.c (expand_call): Clear target only when target is in
4774 hard register and current_function_check_memory_usage is set.
4776 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
4778 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
4780 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
4782 2000-11-19 Richard Henderson <rth@redhat.com>
4784 * crtstuff.c (force_to_data): Use array size 1 not 0.
4786 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
4787 no computed size as size zero.
4788 (field_byte_offset): Likewise.
4790 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
4792 * config.gcc: Fix another typo.
4794 2000-11-19 Richard Henderson <rth@redhat.com>
4796 * c-decl.c (grokdeclarator): Support flexible array members.
4797 Use open-ended ranges for these and zero-length arrays.
4798 * c-typeck.c (push_init_level): Validate the context of
4799 initialization of a zero-length array.
4800 * tree.c (int_fits_type_p): Be prepared for missing bounds.
4801 * varasm.c (array_size_for_constructor): New.
4802 (output_constructor): Use it for arrays of unspecified length.
4803 * extend.texi (Zero Length): Mention C99 flexible array members.
4804 Document initialization in a top-level struct as valid.
4806 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
4808 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
4810 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
4811 stdarg and varargs functions.
4813 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
4815 * gcc.c (process_command): Define 'j' variable when
4816 MODIFY_TARGET_NAME is defined.
4818 2000-11-19 Richard Henderson <rth@redhat.com>
4820 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
4822 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4824 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
4825 calculation and allocation.
4827 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4829 * builtins.c (c_getstr): Constify variable.
4830 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
4831 * conflict.c (const_conflict_graph_arc): New typedef.
4832 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
4833 * cppmacro.c (builtin_macro): Likewise.
4834 * dwarf2out.c (output_comp_unit): Constify variable.
4835 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
4836 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
4837 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
4839 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
4840 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
4841 * varasm.c (const_str_htab_hash, const_str_htab_eq,
4842 compare_constant_1, record_constant_1): Constify.
4844 2000-11-18 Richard Henderson <rth@redhat.com>
4846 * c-decl.c (grokdeclarator): Special case the creation of an
4847 index for a zero-length array.
4848 * tree.c (build_index_type): Revert Oct 20 change.
4850 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
4852 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
4853 * config/avr/avr.c (jump_tables_size): New variable.
4854 (function_prologue): Initialize it as 0.
4855 (function_epilogue): Add it to function_size.
4856 (avr_output_addr_vec_elt): New function. Count words in jump
4857 tables in jump_tables_size. Move code ...
4858 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
4859 Call avr_output_addr_vec_elt instead.
4860 * config/avr/avr.md (tablejump): Remove disabled define_expand.
4862 2000-11-18 Mark Mitchell <mark@codesourcery.com>
4864 * configure.in: Make --enable-new-gxx-abi the default.
4865 * configure: Likewise.
4867 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4869 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
4871 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
4872 Move extern function declarations to tradcpp.h.
4874 * tradcpp.c: Likewise.
4876 * tradcpp.h: New file.
4878 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
4880 * c-decl.c (check_for_loop_decls): New function.
4881 * c-parse.in (for_init_stmt): New.
4882 (select_or_iter_stmt): Use for_init_stmt.
4883 * c-tree.h (check_for_loop_decls): New declaration.
4885 2000-11-18 Neil Booth <neilb@earthling.net>
4887 * cppinit.c: Update comments.
4888 (cpp_reader_init): Make -imacro and -include use the standard
4889 #include "" search path.
4890 (do_includes): New function.
4892 2000-11-18 Ben Elliston <bje@redhat.com>
4894 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
4895 out of a branch delay slot.
4897 2000-11-17 Richard Henderson <rth@redhat.com>
4899 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4900 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
4901 (ASM_FILE_START): Only write out ecoff .file directive if
4902 emitting mdebug debugging.
4904 2000-11-17 Richard Henderson <rth@redhat.com>
4906 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
4907 whether as accepts .file/.loc and produces dwarf2 line info.
4908 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
4909 the assembler supports it.
4910 * config.in, configure: Regenerate.
4912 2000-11-17 Richard Henderson <rth@redhat.com>
4914 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
4916 2000-11-17 Jim Wilson <wilson@redhat.com>
4918 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
4919 Don't clear need_barrier is next_insn is a CALL_INSN, or has
4920 instruction type B or UNKNOWN.
4922 2000-11-17 Neil Booth <neilb@earthling.net>
4924 * cpperror.c (print_file_and_line): Don't display line number if 0.
4926 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
4928 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
4929 digit_vector and digit_string.
4930 * stringpool.c (digit_vector): New.
4931 (ggc_alloc_string): Use digit_string.
4933 * stmt.c (digit_strings): Delete.
4934 (init_stmt): Do not initialize digit_strings.
4935 (expand_asm_operands): Use ggc.h's digit_string macro.
4936 * toplev.c (mark_file_stack): Delete.
4937 (compile_file): Don't call init_tree_codes.
4938 (main): No need to make the file stack a GC root.
4939 * tree.c (init_tree_codes): Delete.
4940 * tree.h (init_tree_codes): Delete.
4942 * c-lex.c: Don't include ggc.h.
4943 (mark_splay_tree_node, mark_splay_tree): Delete.
4944 (init_c_lex): No need to ggc_strdup string constant. Don't add
4945 file_info_tree to GGC roots.
4946 (cb_enter_file, cb_rename_file): No need to ggc_strdup
4949 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
4951 * dbxout.c (dbxout_init),
4952 dwarf2out.c (dwarf2out_line),
4953 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
4954 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
4955 xcoffout.c (xcoffout_source_file),
4956 i386.c (load_pic_register):
4957 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
4959 * except.c (create_rethrow_ref),
4960 profile.c (init_edge_profiler),
4961 toplev.c (compile_file),
4962 varasm.c (named_section, assemble_static_space,
4963 assemble_trampoline_template, output_constant_def, force_const_mem),
4964 i386.c (load_pic_register),
4965 ia64.c (ia64_encode_section_info),
4966 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
4967 rs6000_emit_prologue, rs6000_emit_epilogue),
4968 rs6000.md (load_toc_aix_si, load_toc_aix_di):
4969 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
4971 * profile.c (output_func_start_profiler),
4973 i386.c (load_pic_register): No need to ggc_strdup string constant.
4975 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
4977 * Makefile.in (config.status): Depend on config.gcc.
4978 * configure.in <for machine in $build $host $target>: Move
4979 contents of loop into config.gcc, removing autoconf quoting.
4980 Fix changequote bug for alpha*-*-vxworks*.
4981 * configure: Regenerate.
4984 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
4986 * c-parse.in (if_prefix): Find the filename and line number at
4987 $-2 and $-1 respectively.
4988 * diagnostic.c (error_recursion): Add missing newline, use
4989 fputs, translate string.
4991 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
4993 * stringpool.c: New file.
4994 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
4995 (ggc_alloc_string): Now in stringpool.o.
4996 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
4997 * ggc.h: Delete prototype of ggc_add_string_root. #define
4998 ggc_add_string_root and ggc_mark_string to nothing. Prototype
4999 init_stringpool and stringpool_statistics.
5000 (ggc_alloc_string): Returns a const char *.
5001 * tree.c (hash_table, do_identifier_warnings): Delete.
5002 (init_obstacks): Don't initialize the identifier hash table.
5003 (get_identifier, maybe_get_identifier, start_identifier_warnings,
5004 set_identifier_size): Now in stringpool.c.
5005 * tree.h (struct tree_string): Constify pointer field.
5006 (approx_sqrt): Prototype.
5008 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
5010 * toplev.c (approx_sqrt): New function.
5011 (compile_file): Call stringpool_statistics if mem_report is on.
5012 (main): Call init_stringpool.
5014 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
5015 (process_directive), c-typeck.c (constructor_asmspec, struct
5016 initializer_stack, start_init), except.c (create_rethrow_ref),
5017 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
5018 (built_in_filename), varasm,c (in_named_name,
5019 assemble_static_space, struct constant_descriptor, struct
5020 deferred_string, struct pool_constant, force_const_mem),
5021 i386.c (pic_label_name, global_offset_table_name), rs6000.c
5022 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
5024 * c-common.c (combine_strings): Combine strings in scratch
5025 buffer, then pass to build_string.
5026 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
5027 output_func_start_profiler), stmt.c (init_stmt), alpha.c
5028 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
5029 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
5030 rs6000.c (rs6000_encode_section_info): Create string in
5031 scratch buffer, then pass to ggc_alloc_string.
5033 * stmt.c (expand_asm_operands): If we must adjust the
5034 constraint strings, do so by creating a new one, not by
5035 modifying the old one in place. Constify some char *s.
5036 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
5037 argument. Create string in scratch buffer, then pass to
5039 * config/pa/pa-protos.h: Update prototype.
5040 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
5041 hppa_encode_label takes only one argument.
5043 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5045 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
5048 * cpplib.c (glue_header_name): Likewise.
5050 * fixincl.c (run_compiles, start_fixer): Likewise.
5052 * fixlib.c (load_file_data): Likewise.
5054 * mkdeps.c (munge): Likewise.
5056 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
5058 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
5059 trailing ';'. Fix formatting.
5061 2000-11-16 Jim Wilson <wilson@redhat.com>
5063 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
5064 Shift masks left by one to avoid conflict.
5066 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
5069 2000-11-16 Nick Clifton <nickc@redhat.com>
5071 * config/arm/arm.c (output_arm_prologue): Note nested functions.
5072 (arm_expand_prologue): For nested functions preserve the
5073 static chain register during stack frame creation.
5075 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
5076 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
5077 with a stack frame there is a 4 byte gap between the arg
5078 pointer and the hard frame pointer (used to preserve the
5079 static chain register during stack frame creation).
5081 2000-11-16 DJ Delorie <dj@redhat.com>
5083 * rtl.c (read_rtx): Provide suitable names for unnamed
5084 define_insn and define_insn_and_split patterns, based on file
5087 2000-11-15 Neil Booth <neilb@earthling.net>
5089 * cpplib.c (start_directive, end_directive): New functions.
5090 (_cpp_handle_directive, run_directive): Use them.
5091 (_cpp_handle_directive): Don't -Wtraditional on indented
5093 (_cpp_push_buffer): Don't re-clear was_skipping.
5094 * cpplib.h (struct cpp_reader): New member la_saved.
5095 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
5098 gcc.dg/cpp/_Pragma1.c: Update.
5099 gcc.dg/cpp/_Pragma2.c: New test.
5101 2000-11-15 Mark Mitchell <mark@codesourcery.com>
5103 * toplev.c (wrapup_global_declarations): Don't write out
5104 artificial static variables that aren't needed.
5106 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
5108 * ia64.c (struct group): New structure.
5109 (last_group): New static array.
5110 (group_idx): New static variable.
5111 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
5112 New static functions.
5113 (emit_insn_group_barriers): Initialize and keep track of group_idx
5115 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
5116 Replace all calls to emit_insn_after that emit a group barrier to use
5117 emit_group_barrier_after.
5118 * ia64.h (MASK_B_STEP): New.
5119 (other MASK_XXX macros): Renumbered.
5120 (TARGET_B_STEP): New.
5121 (TARGET_SWITCHES): Add -mb-step.
5123 2000-11-15 Fred Fish <fnf@be.com>
5125 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
5126 machines for which fixincludes is not needed.
5127 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
5129 2000-11-15 Jason Merrill <jason@redhat.com>
5131 * diagnostic.c (finish_abort): New fn.
5132 (fancy_abort, error_recursion): Use it.
5133 * toplev.c (crash_signal): Likewise.
5134 * diagnostic.h: Declare it.
5136 2000-11-13 Andrew Haley <aph@redhat.com>
5138 * tree.c (build_type_no_quals): New function.
5139 * tree.h (build_type_no_quals): Declare.
5140 * c-common.c (c_get_alias_set): When considering type
5141 compatibility for pointer types, ignore cv-qualifiers anywhere in
5144 2000-11-15 Graham Stott <grahams@redhat.com>
5146 * regrename.c (scan_rtx_rtx): Skip to the next chain on
5147 encountering a terminated chain.
5149 2000-11-14 Mark Mitchell <mark@codesourcery.com>
5151 * configure.in: Move check for V3 above check for C++ header-file
5153 * configure: Regenerated.
5155 2000-11-14 DJ Delorie <dj@redhat.com>
5157 * config/v850/v850.c: Remove obstacks.
5159 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
5161 * config/avr/avr.c (avr_case_values_threshold): New.
5162 (avr_override_options): Set it depending on options, make it large
5163 when not optimizing to work around "unable to generate reloads".
5165 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
5166 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
5167 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
5168 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
5169 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
5170 (avr_case_values_threshold): Declare as extern int.
5171 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
5173 * config/avr/avr.md (tablejump): Removed.
5174 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
5175 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
5176 index in the table, not multiplied by 2.
5177 (casesi): Change to match the above insns. Always enable.
5179 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
5180 Change to expect the word address of the table, multiply it by 2
5181 here and not in the caller. Change "adiw" to faster "inc".
5183 2000-11-14 Neil Booth <neilb@earthling.net>
5185 * cppexp.c (parse_defined): Call cpp_get_token not
5188 * cpplex.c (cpp_output_line): Similarly.
5189 * cpplib.c (glue_header_name, do_line, do_ident,
5190 parse_answer, parse_assertion): Similarly.
5191 (_cpp_handle_diretive): Don't save to lookaheads
5192 when processing directives.
5193 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
5195 (funlike_invocation_p): Don't save to lookaheads
5196 when pre-expanding arguments.
5197 (_cpp_get_token): Delete.
5198 (cpp_get_token): Merge contents of _cpp_get_token.
5200 2000-11-14 Jakub Jelinek <jakub@redhat.com>
5202 * builtins.c (expand_builtin_setjmp): Set
5203 current_function_calls_setjmp.
5204 (expand_builtin_longjmp): Set current_function_calls_longjmp.
5206 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
5207 (do_builtin_setjmp_setup): New insn.
5209 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5211 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
5212 (int_fits_type_p): For variable bounds, call force_fit_type.
5214 2000-11-14 Jakub Jelinek <jakub@redhat.com>
5216 * varasm.c (struct deferred_string): New structure.
5217 (const_str_htab): New variable.
5218 (STRHASH): New macro.
5219 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
5220 constr_str_htab_eq, const_str_htab_del): New functions.
5221 (output_constant_def): Add DEFER argument, defer string
5222 constants until mark_constant_pool time if requested.
5223 (mark_constant_pool): Walk the insn chain even if const_str_htab is
5225 (mark_constants): If a SYMBOL_REF for deferred string is found,
5226 output it and remove from hash table.
5227 (output_addressed_constants): Set DEFER to 0 in call to
5228 output_constant_def.
5229 * rtl.h (STRING_POOL_ADDRESS_P): Define.
5230 (output_constant_def): Adjust prototype.
5231 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
5233 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
5235 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
5236 signed types if flag_trapv.
5238 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
5240 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
5243 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
5245 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
5247 2000-11-14 Jakub Jelinek <jakub@redhat.com>
5249 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
5250 to array of pool_constnat pointers.
5251 (struct pool_constant): Add next_sym and label members.
5252 (struct pool_sym): Remove.
5253 (init_varasm_status): Change pool_sym into pool_constant.
5254 (mark_pool_constant): Mark pc->label string as well.
5255 (mark_pool_sym_hash_table): Remove.
5256 (mark_varasm_status): Remove it from caller as well.
5257 (free_varasm_status): Don't free pool_sym structures.
5258 (force_const_mem): Don't allocate pool_sym structure, instead
5259 fill pool->label and chain it into rtx_sym hash table.
5260 (find_pool_constant, mark_constant_pool): Use pool_constant instead
5263 2000-11-14 Jakub Jelinek <jakub@redhat.com>
5265 * reload1.c (emit_input_reload_insns): Honour forcing of constants
5266 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
5268 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
5270 * dominance.c: New file.
5271 * Makefile.in (OBJS): Add dominance.o.
5273 * flow.c (compute_flow_dominators): Remove.
5274 (compute_immediate_dominators): Remove.
5275 (compute_immediate_postdominators): Remove.
5276 * basic-block.h: Remove their prototypes.
5277 (calculate_dominance_info): Add prototype.
5279 * dce.c (eliminate_dead_code): Change calls to above functions.
5280 Don't compute dominators but only immediate dominators.
5281 * flow.c (flow_loops_find): Change callers.
5282 * gcse.c (compute_code_hoist_data): Likewise.
5283 * haifa-sched.c (schedule_insns): Likewise.
5284 * ifcvt.c (if_convert): Likewise.
5285 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
5288 2000-11-14 Richard Henderson <rth@redhat.com>
5290 * stmt.c (warn_if_unused_value): Don't warn if the expression
5293 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
5294 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
5296 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5298 * loop.c (basic_induction_var): Revert accidental checkin.
5300 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
5302 * c-lex.c (cb_leave_file): Harmonize conditions and order of
5303 statements to those of process_directive for (action == act_pop).
5305 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
5307 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
5310 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5312 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
5315 2000-11-13 Neil Booth <neilb@earthling.net>
5317 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
5318 cases return without MI check.
5319 * cpplib.c (do_diagnostic): Take boolean of whether to
5320 print the directive name.
5321 (do_error, do_warning): Update.
5322 (do_pragma_dependency): Use it.
5323 * cpplib.h (VARARGS_FIRST): Delete.
5324 (struct cpp_token): Delete integer.
5325 * cppmacro.c (enter_macro_context): Move disabled check
5327 (_cpp_get_token): Simplify into a single loop.
5329 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
5331 * configure.in: Use 'test -f' not '[ -e'.
5332 * configure: Regenerated.
5334 2000-11-13 DJ Delorie <dj@redhat.com>
5336 * config/mn10300/mn10300.md (store_movm): Note which registers are
5337 really used or clobbered.
5339 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5341 * c-parse.in (ends_in_label): Remove from %union and %type.
5342 (decls, stmts, lineno_stmt_or_labels, xstmts,
5343 lineno_stmt_or_label, stmt_or_label): Remove.
5344 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
5345 lineno_stmt_decl_or_labels_ending_decl,
5346 lineno_stmt_decl_or_labels_ending_label,
5347 lineno_stmt_decl_or_labels_ending_error,
5348 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
5349 lineno_stmt, lineno_label): New.
5350 (compstmt_nostart): Use compstmt_contents_nonempty.
5352 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5354 * c-common.c (boolean_increment): New function.
5355 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
5356 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
5357 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
5358 (boolean_increment): Declare.
5359 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
5360 * c-decl.c (init_decl_processing): Create boolean nodes.
5361 (finish_struct): Allow for _Bool bitfields.
5362 * c-parse.in (reswords): Add _Bool.
5363 (rid_to_yy): Allow for RID_BOOL.
5364 * c-typeck.c (default_conversion): Make booleans promote to int.
5365 (convert_arguments, build_unary_op, build_modify_expr,
5366 convert_for_assignment): Allow for booleans.
5367 * ginclude/stdbool.h: Make conforming to C99.
5369 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5371 * c-parse.in (c99_block_start, c99_block_end,
5372 c99_block_lineno_labeled_stmt): New.
5373 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
5374 (stmt): Split off selection and iteration statements into...
5375 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
5377 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5379 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
5382 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
5384 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
5385 Rewrite to avoid use of match_dup. Don't try to tie registers that
5386 are not in the same mode.
5388 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5390 * invoke.texi: Update lists of languages and suffixes supported.
5392 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5394 * configure.in: Take toplevel configure arguments from the
5395 environment to create configargs.h and substitute
5396 gcc_config_arguments, taking account of any existing configargs.h
5398 * configure: Regenerate.
5399 * gccbug.in: Include toplevel configure arguments in gccbug.
5401 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
5403 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
5404 union to make it well-aligned. Update all uses.
5406 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5408 * c-parse.in (initelt): Give appropriate pedantic warnings,
5409 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
5411 (designator): If pedantic, pedwarn for a designator specifying a
5413 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
5415 * extend.texi: Document the C99 syntax as the preferred syntax,
5416 and the pre-2.5 syntax as obsolete. Mention use of designator
5417 lists for nested subobjects.
5419 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
5421 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
5422 Add ATTRIBUTE_PRINTF.
5423 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
5424 Add ATTRIBUTE_PRINTF*.
5426 2000-11-12 Mark Mitchell <mark@codesourcery.com>
5428 * function.c (assign_parms): When calling put_var_into_stack, make
5429 sure that there are no hidden pending sequences.
5431 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5433 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
5434 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
5437 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
5439 * c-common.c (c_common_nodes_and_builtins): Declare index and
5440 rindex when nonansi builtins are allowed.
5442 * extend.texi (index, rindex): Document new builtins.
5444 2000-11-12 Mark Mitchell <mark@codesourcery.com>
5446 * configure.in: Turn on libstdc++ V3 by default.
5447 * configure: Regenerated.
5449 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
5451 2000-11-12 Jakub Jelinek <jakub@redhat.com>
5453 * reload1.c (set_label_offsets): Go inside of PARALLELs.
5455 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
5457 * invoke.texi: Clean up option summary.
5459 2000-11-12 Nick Clifton <nickc@redhat.com>
5461 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
5462 of #include headers.
5464 2000-11-12 Marc Espie <espie@openbsd.org>
5466 * configure.in: Fix filds test.
5469 2000-11-12 Mark Mitchell <mark@codesourcery.com>
5471 * jump.c (delete_computation): Don't assume that just becuase an
5472 instruction sets a register, that register is dead.
5474 2000-11-12 Neil Booth <neilb@earthling.net>
5476 * cppexp.c: Don't worry about pfile->skipping.
5477 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
5478 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
5479 for handled directives.
5480 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
5481 and releasing lookaheads.
5482 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
5483 (do_else, do_elif, push_conditional): Update logic.
5484 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
5485 (unwind_if_stack): Inline into cpp_pop_buffer.
5486 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
5487 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
5488 multiple-include optimisation.
5489 * cpplib.h (struct cpp_buffer): New member was_skipping.
5490 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
5491 works because skipping == 0 in directives.
5492 (_cpp_release_lookahead): Renamed from release_lookahead.
5493 (cpp_get_token): No need to check skipping as _cpp_get_token does
5494 this for us. No need to handle MI optimisation.
5496 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
5498 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
5499 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
5500 * fixinc/fixincl.x: Regenerated.
5502 2000-11-11 Bruce Korb <bkorb@gnu.org>
5504 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
5505 (avoid_wchar_t_type): ditto
5506 * fixinc/fixinc.irix: obsoleted
5508 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
5510 * configure.in: Don't add $outputs to all_lang_makefiles. Add
5511 $srcdir/$s/Makefile.in if it exists.
5512 * configure: Regenerate.
5514 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
5516 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
5518 2000-11-11 Jason Merrill <jason@redhat.com>
5520 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
5521 give the parm a register and then call put_var_into_stack.
5522 * stmt.c (expand_decl): Likewise.
5524 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
5526 * gcc.texi: Adjust wording.
5528 2000-11-11 Mark Mitchell <mark@codesourcery.com>
5530 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
5531 * fininc/fixincl.x: Regenerated.
5533 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
5535 * invoke.texi: Correct spelling of -foptimize-register-move.
5537 2000-11-11 Neil Booth <neilb@earthling.net>
5539 Remove CPP_PLACEMARKERs.
5541 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
5542 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
5543 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
5545 * cpplib.h: Remove CPP_PLACEMARKER.
5546 (struct lexer_state): Rename skip_newlines to next_bol.
5547 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
5548 Simplify prev_white handling as a result.
5549 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
5550 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
5551 (parse_args): Similarly. Update argument count tests.
5552 (enter_macro_context): Return 2 to indicate an empty macro.
5553 (replace_args): Don't bother pre-expanding an empty argument.
5554 Handle placemarkers and ## extension during pre-expansion.
5555 (cpp_get_token): Handle empty macro expansions. Don't worry
5556 about CPP_PLACEMARKERs.
5557 (_cpp_create_definition): Empty macros are now empty.
5558 (cpp_macro_defintion): Don't special case empty macros.
5559 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
5560 * c-lex.c: Similarly.
5562 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
5564 * gcc.texi, invoke.texi: Add new section discussing language
5565 standards; link to it where appropriate; refer to ISO C instead of
5568 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
5570 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
5573 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
5576 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
5578 * gcc.texi, gcov.texi: Update dates and version numbers.
5580 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
5582 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
5583 flex and bison, specifically, first in a unified build and
5584 then installed on the system.
5585 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
5586 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
5589 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
5590 cppdefault.o): Remove pointless sed munging of source file
5593 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
5595 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
5596 for address reloads. Push replacements for REG_INC notes.
5597 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
5599 * reload1.c (choose_reload_regs): Registers set in the insn can't be
5600 used for RELOAD_OTHER reloads.
5602 2000-11-10 Mark Mitchell <mark@codesourcery.com>
5604 * c-dump.h: New file.
5606 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5608 * alpha.c (check_float_value): Use memcpy, not bcopy.
5609 * arm.c (output_move_double): Likewise.
5611 * m88k.c (legitimize_operand): Likewise.
5612 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
5613 * m88k.md: Likewise.
5614 * mips.c (override_options): Likewise.
5615 * mips.md: Likewise.
5616 * romp.c (output_fpops): Likewise.
5617 * rs6000.c (rs6000_override_options): Likewise.
5619 * vax.c (check_float_value): Likewise.
5621 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
5622 * expmed.c (synth_mult): Likewise.
5623 * final.c (add_bb_string): Likewise.
5624 * genattr.c (main): Likewise.
5625 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
5627 * jump.c (thread_jumps): Likewise.
5628 * prefix.c (save_string): Likewise.
5629 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
5630 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
5631 * reload1.c (reload, eliminate_regs): Likewise.
5633 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
5635 * gcc.texi (Service): Update to reflect current practice and
5636 location of the GNU service directory.
5638 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
5640 * regrename.c (build_def_use): Mark contents of REG_INC notes as
5641 needing replacement.
5643 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
5644 a no-op move if regs are equal.
5645 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
5646 when calling jump after post-reload splitting.
5648 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
5650 * c-tree.texi: Fix typos.
5651 * extend.texi: Likewise
5652 * gcov.texi: Likewise
5653 * rtl.texi: Likewise
5656 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
5658 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
5659 in_system_header and flags[1] before dereferencing flags[2].
5661 2000-11-09 Matthew Hiller <hiller@redhat.com>
5663 * reload1.c (reload_combine): Fixed calculation of
5664 first_index_reg, last_index_reg.
5666 2000-11-09 Mark Mitchell <mark@codesourcery.com>
5668 * c-dump.c (dequeue_and_dump): Dump function bodies.
5670 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
5671 (c-dump.o): New target.
5672 * c-common.h (flag_dump_translation_unit): New variable.
5673 (C_TYPE_QUALS): New macro.
5674 (strip_array_types): New function.
5675 (DECL_C_BIT_FIELD): New macro.
5676 (SET_DECL_C_BIT_FIELD): Likewise.
5677 (CLEAR_DECL_C_BIT_FIELD): Likewise.
5678 (dump_info_p): New typedef.
5679 (dump_tree_fn): Likewise.
5680 (lang_dump_tree): New variable.
5681 (dump_node_to_file): New function.
5682 * c-common.c (flag_dump_translation_unit): Define it.
5683 (strip_array_types): New function.
5684 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
5685 * c-lang.c (finish_file): Call dump_node_to_file if
5686 flag_dump_translation_unit.
5687 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
5688 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
5689 * c-dump.c: New file.
5691 2000-11-09 Christopher Faylor <cgf@cygnus.com>
5693 * config/i386/cygwin.h: Add mingw startfile prefix.
5695 2000-11-09 Richard Henderson <rth@redhat.com>
5697 * flow.c (invalidate_mems_from_set): Split out from ...
5698 (mark_set_1): ... here.
5699 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
5700 instead of turning insn into a NOTE_INSN_DELETED.
5702 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
5704 * extend.texi, invoke.texi: Move documentation of builtin versions
5705 of C library functions to one place and update.
5707 2000-11-09 Richard Henderson <rth@redhat.com>
5709 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
5710 the types themselves to discover type equivalence.
5712 2000-11-09 Mike Stump <mrs@wrs.com>
5714 * Makefile.in (distclean): Remove a few extra leftovers.
5716 2000-11-09 Richard Henderson <rth@redhat.com>
5718 * recog.c (validate_replace_rtx_1): Consider subregs when
5719 replacing a register with a constant inside a sign/zero_extend.
5721 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5723 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
5725 * c-decl.c (finish_struct): When a structure is completed,
5726 check all its variant types for completeness.
5728 2000-11-09 Neil Booth <neilb@earthling.net>
5730 * cpphash.c: Move cpp_defined here from cpplib.c.
5731 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
5732 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
5733 * cppmacro.c (cpp_get_token): Update comments, no need now
5734 to catch the CPP_EOF meaning EOL case.
5736 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
5738 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
5739 is more than that provided, copy to a temporary.
5741 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
5743 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
5744 interpreting $out as a macro assignment.
5745 * Makefile.in (T_TARGET): New auxiliary macro and target.
5746 (all): Add a target right in the beginning, so that we don't build
5747 T_TARGET by default.
5749 2000-11-09 Graham Stott <grahams@redhat.com>
5751 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
5752 order for -mintel-syntax. Remove comment now that the operand
5753 order has been checked.
5754 (mmx_pextrw): Likewise.
5755 (mmx_pshufw): Likewise.
5757 2000-11-09 Jakub Jelinek <jakub@redhat.com>
5759 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
5760 (c_getstr): New function.
5761 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
5762 If both arguments are constant string, optimize out.
5763 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
5764 (expand_builtin_strpbrk): Use c_getstr, do nothing if
5765 -fcheck-memory-usage.
5766 (expand_builtin_fputs): Likewise.
5767 (expand_builtin_strcmp): Add MODE argument.
5768 Use even if !HAVE_cmpstrsi.
5769 Optimize the case when both arguments are constant strings.
5770 (expand_builtin): Adjust expand_builtin_strcmp caller.
5771 Call expand_builtin_strchr and expand_builtin_strrchr.
5772 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
5774 * builtins.def (BUILT_IN_STRRCHR): Add.
5776 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5778 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
5780 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
5782 * calls.c (expand_call, emit_library_call_value_1), collect2.c
5783 (scan_prog_file), config/a29k/a29k.c (print_operand),
5784 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
5785 instead of bcopy ().
5786 * real.h: Use memcmp () instead of bcmp ().
5787 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
5788 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
5789 ultrasparc_sched_init, ultrasparc_sched_reorder),
5790 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
5791 instead of bzero ().
5792 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
5793 instead of rindex ().
5794 * configure.in: Don't check for bzero, bcmp, index or rindex.
5795 * configure, config.in: Regenerate.
5796 * system.h: Don't include declarations for bzero, bcmp, index or
5798 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
5799 bzero, bcmp, index or rindex.
5801 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
5803 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
5804 include and library paths from -mcygwin case. Parameterize some
5805 declarations to avoid warnings. Use standard locations for include and
5808 2000-11-08 Nick Clifton <nickc@redhat.com>
5810 * config/arm/arm.md (mulsidi3adddi): Change output operand
5811 constraint from "=&" to "+&".
5812 (umulsidi3adddi): Change output operand constraint from "=&" to
5815 2000-11-08 Richard Henderson <rth@redhat.com>
5817 * flow.c (init_propagate_block_info): Protect the rtx stored in
5818 mem_set_list from modification by find_auto_inc.
5819 (mark_set_1): Likewise.
5821 2000-11-08 Neil Booth <neilb@earthling.net>
5823 Move directive handling into the lexer itself.
5825 * cpplex.c (_cpp_lex_token): Handle directives directly.
5826 In the case of a directive interrupting a function-like
5827 macro invocation, use extra_char since read_ahead is
5828 used to store the '#'. Return a CPP_EOF in this case.
5829 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
5830 (cpp_get_token): Don't handle directives here.
5831 * cpplib.h: Remove CPP_DHASH token type.
5833 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
5835 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
5836 formed using PRE_MODIFY too.
5838 2000-11-08 Mark Mitchell <mark@codesourcery.com>
5840 * c-tree.texi (VAR_DECL): Describe representation of GCC's
5841 extension for placing variables in particular registers.
5843 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
5844 unprototyped C functions with no parameters.
5846 2000-11-08 Jakub Jelinek <jakub@redhat.com>
5848 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
5849 before passing to fprintf.
5851 2000-11-08 Jakub Jelinek <jakub@redhat.com>
5853 * function.c (expand_function_start): Cast GET_MODE_SIZE to
5854 HOST_WIDE_INT before negating it.
5856 2000-11-08 Jakub Jelinek <jakub@redhat.com>
5858 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
5859 passed in multiple non-contiguous locations.
5861 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5863 * README.gnat: Remove file.
5865 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
5867 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
5870 2000-11-07 Richard Henderson <rth@redhat.com>
5872 * dwarfout.c (INSN_LABEL_FMT): Remove.
5873 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
5874 (dwarfout_label): Remove.
5875 * dwarfout.h: Remove it's prototype.
5876 * dwarf2out.c (INSN_LABEL_FMT): Remove.
5877 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
5878 (dwarf2out_label): Remove.
5879 * dwarf2out.h: Remove it's prototype.
5880 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
5882 2000-11-07 Richard Henderson <rth@redhat.com>
5884 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
5885 search on the unwind region section.
5887 * config/ia64/ia64.md (movbi): Add r/r alternative.
5888 (cmovdi_internal_astep): Describe all combinations of register
5889 classes for sources & destinations; remove matching constraints.
5890 (cmovdi_internal): Likewise.
5892 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
5894 2000-11-07 Richard Henderson <rth@redhat.com>
5896 * c-lang.c (start_cdtor, finish_cdtor): New functions.
5897 (finish_file): Use them in building constructor/destructor functions.
5899 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
5900 LD_FINI_SWITCH): Move ...
5901 * config/alpha/osf.h: ... here.
5902 * config/alpha/alpha-interix.h: Don't undef them.
5904 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
5906 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
5907 included in libgcc.a.
5909 (dp-bit.c): Likewise.
5910 (fp-bit.c): Likewise.
5912 2000-11-07 Nick Clifton <nickc@redhat.com>
5914 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
5915 (INTERNAL_ASM_OP): Add missing tab.
5917 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
5919 * alias.c (init_alias_analysis), calls.c (expand_call,
5920 emit_library_call_value_1), combine.c (init_reg_last_arrays),
5921 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
5922 (init_output_buffer, set_diagnostic_context), dwarf2out.c
5923 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
5924 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
5925 function.c (assign_parms), gcse.c (compute_can_copy,
5926 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
5927 compute_hash_table, compute_set_hash_table,
5928 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
5929 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
5930 clear_units, schedule_block), integrate.c (initialize_for_inline,
5931 expand_inline_function), jump.c (thread_jumps), local-alloc.c
5932 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
5933 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
5934 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
5935 record_reg_classes, allocate_reg_info), reload.c
5936 (get_secondary_mem, remove_address_replacements, find_reloads),
5937 reload1.c (reload, set_initial_label_offsets, finish_spills,
5938 reload_as_needed, choose_reload_regs_init,
5939 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
5940 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
5941 (rename_registers), stmt.c (expand_end_case), unroll.c
5942 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
5943 () instead of bzero ().
5945 2000-11-07 Neil Booth <neilb@earthling.net>
5947 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
5949 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5951 * c-common.c (combine_strings): Only warn about long strings for C.
5953 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
5955 * combine.c (distribute_notes): Fix typo in last change.
5957 2000-11-07 Geoff Keating <geoffk@redhat.com>
5959 * config/rs6000/rs6000.md (movdi_internal32+1): Use
5960 operand_subreg_force rather than gen_rtx_SUBREG.
5961 (movdi_internal32+2): Likewise.
5963 2000-11-07 Philip Blundell <philb@gnu.org>
5965 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
5966 * config/arm/linux-aout.h: Likewise.
5967 * configure: Regenerate.
5969 2000-11-07 Philipp Thomas <pthomas@suse.de>
5971 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
5972 accepted my the gettext maintainer.
5974 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5976 * builtins.c (expand_builtin_strpbrk): New function.
5977 (expand_builtin): Handle BUILT_IN_STRPBRK.
5979 * builtins.def (BUILT_IN_STRPBRK): New entry.
5981 * c-common.c (c_common_nodes_and_builtins): Declare builtin
5984 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
5986 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
5987 * POTFILES.in: Add config/alpha/freebsd.h
5988 * configure.in: Add alpha*-freebsd support.
5989 * configure: Regenerate.
5991 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
5993 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
5994 copy of ptr_type_node rather than ptr_type_node itself.
5996 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
5998 * combine.c (recog_for_combine): Allocate uninitialized vector with
6000 * recog.c (apply_change_group): Likewise.
6002 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
6004 * flow.c (verify_local_live_at_start): Back out last change.
6005 * combine.c (distribute_notes): When parts of a hard reg are
6006 neither set nor referenced in PLACE, search backwards for a
6007 place to put a REG_UNUSED note; if none found, ask for flow
6010 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
6012 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
6013 with (clobber (match_scratch...)).
6015 2000-11-06 Neil Booth <neilb@earthling.net>
6017 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
6020 2000-11-06 Neil Booth <neilb@earthling.net>
6022 * tradcpp.c (special_symbol): Assign an null string rather
6023 than writing to an unallocated buffer.
6025 2000-11-06 Neil Booth <neilb@earthling.net>
6027 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
6030 2000-11-06 Neil Booth <neilb@earthling.net>
6032 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
6033 tok.val.arg_no as appropriate.
6034 * cppexp.c (lex): Similarly.
6035 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
6036 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
6037 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
6038 cpp_macro_definition): Similarly.
6039 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
6041 2000-11-06 Jakub Jelinek <jakub@redhat.com>
6043 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
6044 operands[1] is constant, calculate the sum and generate movdi.
6045 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
6046 (subsi3): Use SImode in call to arith_4096_operand.
6048 2000-11-06 Jakub Jelinek <jakub@redhat.com>
6050 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
6051 adjust %o1, not %o0 if the return type is large structure.
6053 2000-11-06 Jakub Jelinek <jakub@redhat.com>
6055 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
6056 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
6058 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
6060 * expmed.c (expand_divmod): For signed divide by 2, prefer
6061 a branch and fewer shifts if branches are very cheap.
6063 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
6065 * Makefile.in: Remove all targets related to building
6066 distributions and diffs, or INSTALL.
6067 * INSTALL, install1.texi: Remove.
6068 * configure.in: Remove mention of distdir.
6069 * configure: Regenerate.
6070 * objc/Make-lang.in: Remove mention of distdir.
6072 2000-11-04 Neil Booth <neilb@earthling.net>
6074 * cpp.texi: Update for _Pragma.
6076 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
6078 * gcc.texi (Contributing): Update URL for projects web page.
6080 2000-11-04 Neil Booth <neilb@earthling.net>
6082 * cpplex.c (parse_string): Don't allow multiline strings in
6083 #include family directives.
6085 2000-11-04 Neil Booth <neilb@earthling.net>
6087 * cpplib.c (do_line): Only warn pedantically if not reading
6090 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
6092 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
6095 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
6097 * builtins.c (expand_builtin_strlen): Remove unused mode
6099 * gcc.c (process_command): Remove unused variable.
6100 * fold-const.c: Include expr.h.
6101 * recog.c: Include reload.h.
6102 * Makefile.in (recog.o, fold-const.o): Update deps.
6104 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
6106 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
6108 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
6110 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
6112 (STARTFILE_SPEC): Likewise.
6113 (LINK_SPEC): Likewise.
6115 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6117 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
6118 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
6119 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
6121 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
6123 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
6124 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
6125 perm_calloc, get_identifier, maybe_get_identifier,
6126 real_value_from_int_cst, simple_cst_equal), varasm.c
6127 (assemble_name, assemble_real, immed_real_const_1,
6128 compare_constant_1, decode_rtx_const, output_constant_pool): Use
6129 strrchr () instead of rindex (). Use memcmp () instead of bcmp
6130 (). Use memcpy () instead of bcopy (). Use memset () instead of
6133 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
6135 * cppfiles.c (open_file): If already read, then don't reopen.
6136 Immediately close an empty file.
6138 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
6140 * expr.h (fold_builtin): Move declaration...
6141 * tree.h (fold_builtin): ... here.
6143 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
6145 * flow.c (verify_local_live_at_start): Allow hard regs to die.
6147 2000-11-02 Neil Booth <neilb@earthling.net>
6150 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
6151 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
6152 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
6153 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
6154 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
6155 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
6156 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
6157 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
6158 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
6159 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
6160 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
6161 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
6162 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
6163 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
6164 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
6165 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
6166 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
6167 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
6168 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
6169 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
6170 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
6171 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
6172 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
6173 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
6174 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
6175 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
6176 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
6177 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
6178 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
6179 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
6180 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
6181 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
6182 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
6183 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
6184 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
6185 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
6186 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
6187 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
6188 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
6189 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
6190 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
6191 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
6192 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
6193 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
6194 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
6195 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
6196 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
6197 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
6198 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
6199 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
6200 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
6201 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
6202 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
6203 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
6204 vax/vaxv.h, vax/vms.h, we32k/we32k.h
6206 Replace -A() with -A=, the new assertion syntax.
6208 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
6210 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
6212 In REG_DEAD handling: When handling parts of multi-hard-reg hard
6213 registers, increment the loop counter by the size of the parts;
6214 use recursion to handle individual parts.
6216 2000-11-02 Neil Booth <neilb@earthling.net>
6218 * configure.in: Make integrated CPP the default.
6219 * configure: Regenerate.
6221 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
6223 * reload.c (find_equiv_reg): Test all hard registers for membership
6224 in the requested class.
6226 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
6228 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
6229 process_command, main), gcov.c (open_files, output_data), tlink.c
6230 (frob_extension, scan_linker_output), toplev.c
6231 (file_name_nondirectory): Use strchr () and strrchr () instead of
6232 index () and rindex ().
6234 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
6236 * c-common.c (get_flag_spec, check_format_info_main,
6237 check_format_types): Use strchr () instead of index (). Compare
6238 against error_mark_node instead of comparing the TREE_CODE against
6241 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
6245 * c-lex.c (init_c_lex): Update cpp_start_read call.
6246 (cb_ident): Update for new callback prototype.
6247 (cb_def_pragma): Update for new cpp_get_token prototype.
6248 (c_lex): Similarly. Use cpp_get_line.
6250 * c-parse.in (finish_parse): Update for new cpp_finish
6253 * cp/lex.c (finish_parse): Similarly.
6255 2000-11-01 Geoff Keating <geoffk@cygnus.com>
6257 * machmode.def: Add V16QImode.
6259 2000-11-01 Richard Henderson <rth@redhat.com>
6261 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
6262 from rtl_for_decl_location.
6263 (add_location_or_const_value_attribute): Likewise.
6265 2000-11-01 Neil Booth <neilb@earthling.net>
6267 * cpplib.c (run_directive): Use correct line number for output
6268 of _Pragma. Remember any in-progress directive.
6270 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
6272 2000-11-01 Richard Henderson <rth@redhat.com>
6274 * stmt.c (expand_start_null_loop): Set continue_label.
6276 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
6278 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
6279 (expand_builtin_constant_p): Move parts of the code into
6280 fold_builtin_constant_p.
6281 (expand_builtin_strlen): Move parts of the code into fold_builtin.
6282 * expr.h (fold_builtin): Declare.
6283 * fold-const.c (fold): Handle builtin calls.
6285 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
6287 2000-11-01 Richard Henderson <rth@redhat.com>
6289 * stmt.c (expand_start_null_loop): New.
6290 (expand_end_null_loop): New.
6291 * c-semantics.c (genrtl_do_stmt): Use them.
6292 * tree.h: Declare them.
6294 2000-11-01 Richard Henderson <rth@redhat.com>
6296 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
6298 2000-11-01 Neil Booth <neilb@earthling.net>
6300 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
6301 * cp/spew.c: Similarly.
6302 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
6303 * cppmacro.c (stringify_arg): Similarly.
6304 * cpplib.h (CPP_BACKSLASH): Delete.
6306 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6308 * builtins.c (expand_builtin_strstr): New function.
6309 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
6311 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
6313 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
6316 2000-10-31 Richard Henderson <rth@redhat.com>
6318 * config/i386/i386.c (fcmov_comparison_operator): Check for
6319 CCFPmode or CCFPUmode instead of CCmode.
6320 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
6321 unordered operations as well.
6323 2000-10-31 Richard Henderson <rth@redhat.com>
6325 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
6326 of integer_zero_node.
6328 2000-10-31 Richard Henderson <rth@redhat.com>
6330 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
6332 2000-10-31 Nick Clifton <nickc@redhat.com>
6334 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
6335 -fdata-sections to override the section attribute of a DECL.
6337 2000-10-31 Chris Demetriou <cgd@sibyte.com>
6339 * libgcc2.c (__shtab): Remove __shtab variable.
6340 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
6341 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
6344 2000-10-31 Jim Wilson <wilson@redhat.com>
6346 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
6347 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
6348 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
6349 instead of ASM_OUTPUT_INTERNAL_LABEL.
6350 (dwarf2out_end_block, dwarf2out_label): Likewise.
6351 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
6352 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
6354 2000-10-31 Richard Henderson <rth@redhat.com>
6356 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
6357 (size_of_locs): Set it.
6358 (output_loc_operands): Use it to compute branch displacement.
6359 (int_loc_descriptor): New.
6360 (mem_loc_descriptor): Dereference memory in the proper size.
6361 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
6362 (loc_descriptor_from_tree): New.
6363 (rtl_for_decl_location): Break out from ...
6364 (add_location_or_const_value_attribute): ... here.
6365 (add_bound_info): Use loc_descriptor_from_tree.
6367 2000-10-31 Neil Booth <neilb@earthling.net>
6369 * cpp.texi: Update for new command line assertion syntax.
6370 * cpplib.c (cpp_define): Simplify a bit.
6371 (cpp_assert, cpp_unassert): Use handle_assertion.
6372 (handle_assertion): New function; accept new command line
6374 * testsuite/gcc.dg/cpp/assert3.c: New tests.
6376 2000-10-31 Neil Booth <neilb@earthling.net>
6378 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
6379 undefined. Remove #ifdef check.
6380 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
6381 Define STDC_0_IN_SYSTEM_HEADERS to 1.
6383 2000-10-31 Jan Hubicka <jh@suse.cz>
6384 Jakub Jelinek <jakub@redhat.com>
6386 * config/i386/i386.h: Clarify CCNOmode description in comment.
6387 (EXTRA_CC_MODES): Remove CCRCmode.
6388 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
6389 (put_condition_code, ix86_match_ccmode): Likewise.
6390 (ix86_cc_mode): Likewise. Fix comment.
6391 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
6392 * config/i386/i386.md: Add unspec 12 description.
6393 (adddi3 split): Use unspec 12 instead of CCRCmode.
6394 (addsi3_carry_rc): Remove.
6395 (addsi3_cc, addqi3_cc): New patterns.
6396 (addsi_3): Swap operands, match CCZmode.
6397 (addsi_4): Rewritten.
6398 (addsi_5): Renamed from addsi_6.
6400 (addhi_3): Swap operands, match CCZmode.
6401 (addhi_4): Rewritten.
6402 (addhi_5): Renamed from addhi_6.
6404 (addqi_3): Swap operands, match CCZmode.
6405 (addqi_4): Rewritten.
6406 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
6407 (subsi3_carry_rc): Removed.
6408 (iorqi_3): Use =q constraint for clobber.
6409 (xorqi_cc_2): Likewise.
6410 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
6411 (x86_movsicc_0_m1_rc): Removed.
6412 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
6414 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
6416 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
6417 and decrement of complex types.
6419 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
6422 builtin fputs, ensure we still evaluate the stream in case it
6425 2000-10-31 Jakub Jelinek <jakub@redhat.com>
6427 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
6430 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
6432 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
6433 (fp_extended_operand, emit_fpscr_use): Likewise.
6434 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
6435 (fpul_operand): New function.
6436 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
6437 fp_extended_operand. Add fpul_operand.
6438 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
6439 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
6440 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
6441 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
6442 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
6443 (divdf3_i): Likewise.
6444 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
6445 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
6446 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
6447 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
6448 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
6450 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
6452 * config/i386/i386.c (ix86_init_builtins): Correct return type
6453 building v4hi_ftype_v4hi_int_int tree node.
6454 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
6455 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
6457 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
6459 (mmx__uavgv8qi3): Correct insn mnemonic.
6460 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
6461 (mmx_punpckhwd): Correct insn mnemonic.
6462 (mmx_punpckhdq): Likewise.
6463 (mmx_punpcklwd): Likewise.
6464 (mmx_punpckldq): Likewise.
6465 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
6466 Renumber case labels to match the _mm_prefetch constants defined in
6469 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
6470 if the splitter didn't emit new insns.
6471 Make sure we call cleanup_subreg_operands even when splitting the last
6472 insn in a basic block.
6474 * invoke.texi (Debugging Options): Describe -do.
6475 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
6476 (dump_file): Likewise.
6477 (rest_of_compilation): Split .greg dump into .greg and .postreload.
6479 2000-10-30 Neil Booth <neilb@earthling.net>
6481 * cppfiles.c (stack_include_file): Check for stacked contexts
6483 * cpphash.h (_cpp_do__Pragma): New prototype.
6484 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
6486 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
6487 escaped newlines if !(buffer->from_stage3).
6488 (_cpp_lex_token): Warn about missing newlines iff
6489 !buffer->from_stage3.
6491 * cpplib.c (get__Pragma_string, destringize,
6492 _cpp_do__Pragma): New functions.
6493 (run_directive): Set output_line for _Pragma to avoid line
6494 markers in output. Set from_stage3 and prevent macro expansion
6495 for _Pragma and command-line options. Check buffer exhaustion.
6496 (cpp_push_buffer): Don't check for stacked macro contexts, as
6497 this is perfectly legitimate for _Pragma. Move the check to
6498 stack_include_file instead. Set from_stage3 iff buffer is
6501 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
6502 unsigned. New boolean from_stage3.
6503 (struct spec_nodes): Add n__Pragma.
6505 * cppmacro.c (enter_macro_context): Flip sense of return value.
6506 (_cpp_get_token): Handle _Pragma operator.
6508 2000-10-30 Phil Edwards <pme@sources.redhat.com>
6510 * gcc.texi: The C++ standard isn't "draft" anymore.
6512 2000-10-30 Mark Mitchell <mark@codesourcery.com>
6514 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
6516 2000-10-29 Neil Booth <neilb@earthling.net>
6518 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
6520 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
6522 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
6523 fixinc/inclhack.def: Change comments mentioning C9X to refer to
6526 * invoke.texi: Document that -V will only work for very similar
6527 versions of driver and compiler.
6529 2000-10-29 Neil Booth <neilb@earthling.net>
6531 * cppmacro.c (_cpp_create_definition): Optimize the case of
6532 a macro defined to itself.
6534 2000-10-29 Neil Booth <neilb@earthling.net>
6536 * cpplex.c (save_comment): Don't store new lines in C++ comments.
6538 2000-10-29 Michael Hayes <mhayes@redhat.com>
6540 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
6542 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
6544 * cpphash.c (cpp_forall_identifiers): Add context variable
6545 for callback routine.
6546 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
6548 (main): Call cpp_forall_identifiers with null context.
6549 * cpplib.h (cpp_forall_identifiers): Update prototype.
6551 * cppmain.c: Make `parse_in' and `print' static.
6553 2000-10-28 Alan Modra <alan@linuxcare.com.au>
6555 * c-decl.c (finish_function): Clear c_function_name_declared_p.
6557 2000-10-28 Richard Henderson <rth@redhat.com>
6559 * regrename.c (scan_rtx_address): Frob action, not class,
6560 when trying to disable optimization.
6562 2000-10-28 Mark Mitchell <mark@codesourcery.com>
6564 * c-semantics.c (make_rtl_for_local_static): Don't clobber
6565 DECL_ASSEMBLER_NAME.
6567 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
6569 * configure.in: Determine and substitute gcc_version_full.
6570 * configure: Regenerate.
6571 * gccbug.in: Use it to give full version. Don't allow
6574 2000-10-28 Richard Henderson <rth@redhat.com>
6576 * recog.c (split_all_insns): Run cleanup_subreg_operands
6579 * regrename.c (regrename_optimize): Verify that all registers of
6580 a multiple register mode are available.
6581 (scan_rtx_address): Accept the mode of the address; all callers
6584 * cpplib.c (run_directive): Fix prototype.
6586 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
6588 * reload.c (find_reloads): Distinguish "wins" so that we know whether
6589 a given operand won because of a matching constraint or not; then use
6590 that information to compute goal_alternative_matched properly.
6591 * reload1.c (choose_reload_regs): Never set reload_override_in for an
6594 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
6595 accurate value for MULT.
6596 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
6597 2% or > 98% before using static branch prediction bits.
6599 2000-10-28 Neil Booth <neilb@earthling.net>
6603 * cpplib.c (struct answer): New.
6604 (struct if_stack): Use cpp_lexer_pos rather than line and col.
6605 Rename cmacro mi_cmacro.
6606 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
6607 IN_I): New directive and flags.
6608 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
6609 parse_answer, parse_assertion, find_answer): New functions.
6610 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
6611 (lex_macro_node): New function to replace parse_ifdef and
6614 (_cpp_handle_directive): New function, combines _cpp_check_directive
6615 and _cpp_check_linemarker.
6617 (do_define, do_undef, parse_include, do_include, do_import,
6618 do_include_next, read_line_number, do_line, do_ident, do_pragma,
6619 do_pragma_once, do_pragma_poison, do_pragma_dependency):
6620 Update for new token getting interface.
6622 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
6623 : Update for new multiple-include optimisation technique.
6624 (do_elif): Don't forget to invalidate controlling macros.
6626 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
6627 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
6628 Functions to handle assertions with the new token interface.
6629 (do_assert, do_unassert): Use them.
6631 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
6634 (_cpp_init_stacks): Register directive names. Don't register special
6637 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
6638 new position recording regime.
6639 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
6640 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
6641 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
6642 (cpp_type2name): Move to cpplex.c.
6644 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
6645 (parse_defined): Update to handle new multiple include optimisation
6646 method. Remove poisoned identifier warning.
6647 (parse_assertion, TYPE_NAME): Delete.
6648 (lex): Update for multiple include optimisation, removal of
6649 CPP_DEFINED, to use _cpp_test_assertion for assertions and
6651 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
6652 (op_as_text): New function, to wrap cpp_token_as_text.
6654 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
6655 Update for MI optimisation.
6656 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
6657 segfault on diagnostic.
6658 (_cpp_compare_file_date): Take a token rather than 3 args.
6659 (cpp_read_file): Work correctly for zero-length files.
6661 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
6662 _cpp_init_hashtable and _cpp_cleanup_hashtable.
6663 (cpp_lookup): Place identifiers at front of identifier pool
6664 for _cpp_lookup_with_hash.
6665 (_cpp_lookup_with_hash): Require identifiers to be at the front of
6666 the identifier pool. Commit the memory if not already in the
6669 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
6670 Initialise various members of cpp_reader, memory pools, and the
6672 (cpp_printer_init): Delete.
6673 (cpp_cleanup): Update.
6674 (struct builtin, builtin_array, initialize_builtins): Update for new
6675 hashnode definition and builtin handling.
6676 (cpp_start_read, cpp_finish): Don't take or initialise a
6679 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
6680 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
6681 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
6682 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
6683 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
6684 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
6685 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
6686 struct toklist, struct cpp_context, struct specnodes,
6687 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
6688 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
6689 enum builtin_type, cpp_can_paste): New.
6690 (struct cpp_token): Delete line and col members.
6691 (struct cpp_buffer): New member output_lineno.
6692 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
6693 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
6694 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
6695 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
6696 base_context, context, directive, mi_state, mi_if_not_defined,
6697 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
6698 mlstring_pos, macro_buffer, macro_buffer_len.
6699 Delete members mls_line, mls_column, token_list, potential_control_macro,
6700 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
6701 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
6702 save_parameter_spellings, need_newline, .
6703 Change type of date, time and spec_nodes members.
6704 Change prototypes for include and ident callbacks.
6705 (struct cpp_hashnode): Change type of name. Remove union members
6706 expansion and code. Add members macro, operator and builtin.
6708 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
6709 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
6710 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
6711 cpp_stop_lookahead): New prototypes.
6712 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
6714 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
6715 Move from cpphash.h.
6717 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
6718 ufputs): Move to cpplib.h.
6719 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
6720 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
6721 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
6722 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
6723 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
6724 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
6725 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
6726 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
6727 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
6728 _cpp_parse_assertion, _cpp_find_answer): Delete.
6729 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
6730 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
6731 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
6732 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
6733 _cpp_handle_directive, DSC): New.
6734 (struct include_file): New member defined.
6736 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
6737 _cpp_compare_file_date): Update.
6738 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
6739 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
6740 _cpp_cleanup_hashtable.
6742 * Makefile.in: Remove cppoutput.c.
6744 * cppoutput.c: Delete
6746 * fixheader.c (read_scan_file): Update for new cpp_get_token
6748 (recognized_function): New argument LINE.
6750 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
6751 new cpp_get_token prototype.
6753 * scan.h (recognized_function): Update prototype.
6755 * po/POTFILES.in: Remove cppoutput.c.
6757 2000-10-27 Mark Mitchell <mark@codesourcery.com>
6759 * c-typeck.c (check_init_type_bitfields): Remove.
6760 (constructor_incremental): Likewise.
6761 (struct constructor_stack): Remove incremental bit.
6762 (struct initializer_stack): Likewise.
6763 (start_init): Don't play with constructor_incremental.
6764 (finish_init): Likewise.
6765 (really_start_incremental_init): Likewise.
6766 (push_init_level): Likewise.
6767 (pop_init_level): Likewise.
6768 (output_init_level): Likewise.
6769 (output_pending_init_elements): Likewise.
6771 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
6773 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
6774 Improve error messages. Correct parsing of
6775 #pragma pack(pop [,id]). Do not check the user-supplied
6776 alignment if we're popping.
6778 * gcc.dg/pack-test-1.c: New test case.
6779 * gcc.dg/pack-test-2.c: New test case.
6780 * gcc.dg/pack-test-1.h: New file.
6782 2000-10-27 Neil Booth <neilb@earthling.net>
6786 2000-10-27 Kelley Cook <kelley.cook@home.com>
6788 * invoke.texi: Document -mintel-syntax
6790 2000-10-27 Richard Henderson <rth@redhat.com>
6792 * invoke.texi: Document -frename-registers. Add it to -O3.
6793 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
6794 (enum dump_file_index, dump_file): Update order.
6795 (main): Set flag_rename_registers at -O3.
6797 2000-10-27 Richard Henderson <rth@redhat.com>
6799 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
6800 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
6801 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
6802 * config/alpha/alpha.md (call_osf_1): Use it.
6803 (call_value_osf_1): Likewise.
6805 * config/ia64/ia64.c: Revert 10-23 patch.
6806 (ia64_hard_regno_rename_ok): New.
6807 * config/ia64/ia64-protos.h: Declare it.
6808 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
6810 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
6811 Richard Henderson <rth@redhat.com>
6813 * regrename.c: Rewrite to handle multi-register modes and
6814 cond_exec instructions.
6815 * Makefile.in (regrename.o): Update dependancies.
6816 * recog.h (struct operand_alternative): Add is_address.
6817 * recog.c (preprocess_constraints) [case 'p']: Set it.
6819 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
6821 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
6822 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
6823 top level. Kill oldstyle_subdirs. Do not include
6824 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
6825 $outputs. Do not run configure.lang from config.status.
6826 Rearrange warning-flag logic to correspond to what the
6827 makefile wants. Put special vax stage1 options in
6828 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
6829 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
6830 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
6831 switch is given, nothing otherwise.
6832 * configure.lang: Delete.
6834 * Makefile.in: Expunge all traces of extra_c_objs,
6835 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
6836 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
6837 warning options via a three level scheme so that -pedantic and
6838 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
6839 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
6840 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
6841 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
6842 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
6843 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
6844 generation rules. Wrap all rules that change the current
6845 directory in parentheses; pmake doesn't spawn a new shell for
6846 each command. Expunge all references to $(P). When one
6847 command depends on another and they're run all at once, use &&
6848 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
6849 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
6852 * objc/Make-lang.in: Wrap all rules that change the current
6853 directory in parentheses. Expunge all references to $(P).
6854 When one command depends on another and they're run all at
6855 once, use && to separate them, not ;. Add OUTPUT_OPTION to
6856 all object-file generation rules. Delete obsolete variables.
6857 * objc/Makefile.in: Delete.
6859 2000-10-27 Jakub Jelinek <jakub@redhat.com>
6861 * calls.c (expand_call): If sibcall_failure is set during pass 1,
6862 clear tail_call_insns as well.
6864 2000-10-27 Nick Clifton <nickc@redhat.com>
6866 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
6869 2000-10-26 Richard Henderson <rth@redhat.com>
6871 * calls.c (expand_call): Supress sibcall if we have a
6872 BLKmode return in registers.
6874 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
6876 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
6879 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
6881 * tree.c (make_node, case 't'): Set alignment to that of
6883 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
6885 2000-10-25 Mark Mitchell <mark@codesourcery.com>
6887 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
6888 * configure.in (enable-libstdcxx-v3): Arrange to have
6889 HAVE_LIBSTDCXX_V3 substituted into the output files.
6891 2000-10-25 Richard Henderson <rth@redhat.com>
6893 * recog.c (constrain_operands): Initialize which_alternative
6894 before no alternatives early exit.
6896 * cse.c (find_comparison_args): Check that we can reverse a
6897 comparison if needed before accepting the substitution.
6899 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
6901 * simplify-rtx.c (simplify_relational_operation): Sign extend
6902 low words before sign extending to high words.
6904 2000-10-25 Nick Clifton <nickc@redhat.com>
6906 * config/mcore/mcore.c: Include config.h before system.h.
6908 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
6910 * config/mcore/mcore.md (return): Force function epilogue to
6911 always be generated to work around epilogue suppression bug in
6914 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
6916 * c-decl.c (grokdeclarator): Move warning for qualified void
6917 return types with -pedantic to when the function type is
6918 constructed. At -W, warn in general for qualified function return
6919 types, except for volatile void.
6920 * invoke.texi: Document this new warning at -W.
6922 2000-10-25 Neil Booth <neilb@earthling.net>
6924 * cpp.texi: Update with implementation-defined behavior and
6927 2000-10-25 Jakub Jelinek <jakub@redhat.com>
6929 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
6930 incomplete type force it into alias set 0.
6932 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
6934 * alias.c: Include basic-block.h.
6935 (loop_p): New function.
6936 (mark_constant_function): Use it.
6937 * Makefile.in (alias.o): Update dependencies.
6939 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
6941 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
6944 2000-10-24 Jim Wilson <wilson@cygnus.com>
6946 * expmed.c (store_bit_field): Move integer pun code down after
6947 code that calls emit_move_insn for entire register move.
6948 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
6949 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
6951 2000-10-24 Richard Henderson <rth@cygnus.com>
6953 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
6954 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
6956 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
6958 * gcse.c (cprop_insn): do not propagate constants into jump_insn
6959 for machines with CC0 more than once.
6961 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
6963 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
6964 pseudos just like memory.
6966 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
6968 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
6969 when deleting libcall sequence collapsed to a single instruction.
6971 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
6973 * expr.c (do_store_flag): Don't crash if either side of a
6974 comparison is error_mark_node.
6976 2000-10-24 Jakub Jelinek <jakub@redhat.com>
6978 * sibcall.c (purge_mem_unchanging_flag): New function.
6979 (optimize_sibling_and_tail_recursive_calls): Call it.
6981 2000-10-24 Philipp Thomas <pthomas@suse.de>
6983 * Makefile.in (check-po): New target for doing checks in the po
6984 subdir if all languages configured.
6985 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
6986 configure if NLS is enabled.
6987 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
6988 otherwise leave empty.
6989 * configure: Regenerate.
6991 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
6993 * i386.c (print_operand): Handle new 'A' formatting code.
6994 387 opcodes need suffixes even with -mintel-syntax.
6995 Check for explicit size override (codes 'b', 'w' and 'k').
6996 (print_operand_address): Check if register prefix is needed when
6997 emitting `ds' segment override.
6998 * i386.h: Add comment about new 'A' formatting code.
6999 * i386.md (jump and call patterns): Emit absolute references using %A.
7001 2000-10-23 Richard Henderson <rth@cygnus.com>
7003 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
7004 output registers as fixed.
7005 (ia64_function_epilogue): Undo output fixation.
7007 2000-10-23 Richard Henderson <rth@cygnus.com>
7009 * config/alpha/alpha.md: Add names for all unnamed insns; use
7010 define_insn_and_split in some obvious places.
7012 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
7013 (zero_extendqisi2, zero_extendqidi2): Likewise.
7014 (zero_extendhisi2, zero_extendhidi2): Likewise.
7015 (abs splitters): Fix match_scratch operand number.
7016 (bcc_reverse): Swap pc & label instead of non-canonical compare.
7018 2000-10-23 Jim Wilson <wilson@cygnus.com>
7020 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
7022 * ia64.md (cmpsi_adjusted): Use %r3.
7023 (cmpdi_adjusted): Likewise.
7025 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
7027 * config/i386/att.h (ASM_FILE_START): Define.
7029 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
7031 * config/i386/linux.h (ASM_FILE_START): Define.
7033 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
7035 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
7036 since this (only) drags in a crt0.o reference that the .ld files
7039 2000-10-23 Geoff Keating <geoffk@cygnus.com>
7041 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
7042 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
7043 reloads just like an RELOAD_FOR_OUTPUT would.
7045 * local-alloc.c (update_equiv_regs): Add an abort(). When
7046 deleting or moving insns, update reg_equiv[regno].init_insns.
7048 2000-10-23 Mark Mitchell <mark@codesourcery.com>
7050 * c-tree.texi: Improve documentation for IF_STMTs and related
7051 conditional statements.
7053 2000-10-22 Mark Mitchell <mark@codesourcery.com>
7055 * expr.c (do_preexpand_calls): Remove.
7056 (same_from_p): Don't use CALL_EXPR_RTL.
7057 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
7058 (preexpand_calls): Remove.
7059 * tree.c (first_rtl_op): Remove CALL_EXPR case.
7060 (unsave_expr_1): Likewise.
7061 * tree.def (CALL_EXPR): Give it only two slots.
7062 * tree.h (CALL_EXPR_RTL): Remove.
7064 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
7066 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
7067 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
7070 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
7072 * calls.c (combine_pending_stack_adjustment_and_call): Don't
7073 adjust stack when unadjusted_alignment ends up as zero.
7075 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
7077 * fixinc/genfixes: Remove EGCS reference.
7078 * install.texi: Remove EGCS reference.
7079 * INSTALL: Regenerate.
7081 2000-10-22 Mark Mitchell <mark@codesourcery.com>
7083 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
7085 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
7087 * diagnostic.c: Remove EGCS reference in comment.
7089 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7091 * loop.c (strength_reduce): Fix error in last change.
7093 2000-10-20 David Edelsohn <edelsohn@gnu.org>
7095 * Makefile.in (SHLIB_NM_FLAGS): New.
7096 (libgcc.mk): Pass it.
7097 * mklibgcc.in (libgcc.map): Use it.
7099 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
7100 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
7102 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
7106 * sparc.c (load_pic_register): Delete unused varaible.
7108 * libgcc2.c (__addvsi3): Delete unused variable.
7110 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
7111 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
7112 __negvdi2): Prototype.
7114 * ssa.c (apply_delayed_renames): Avoid undefined operation.
7116 * toplev.c (display_target_options): Make static to match
7117 prototype. Delete empty declaration.
7119 2000-10-20 Tom Tromey <tromey@cygnus.com>
7121 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
7122 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
7124 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7126 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
7128 (expand_expr_unaligned, case ARRAY_REF): Check that index is
7129 a constant before comparing it; use tree_low_cst.
7130 * tree.c (save_expr): Set TREE_READONLY.
7131 (substitute_expr): Return inside of NON_LVALUE_EXPR.
7132 (build, build1): Set TREE_READONLY if all operands are.
7133 (build_index_type): If upper bound is a negative number, lower
7134 bound is zero and sizetype is unsigned, use upper bound of one and
7137 2000-10-20 David Edelsohn <edelsohn@gnu.org>
7139 * gcc.c (process_command, main): Use "because" instead of
7140 "since" in error messages.
7142 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7144 * stor-layout.c (compute_record_mode): Use tree_low_cst.
7145 Don't use mode of field for record unless sizes are the same.
7146 (layout_type, case ARRAY_TYPE): Remove special bounds handling
7147 previously added for Ada; also change to using host_integerp
7150 * loop.c (strength_reduce): Show when new register made for
7151 giv is known to be a pointer and its aligment if so and known.
7152 (loop_dump_aux): Show VERBOSE parameter unused.
7154 * gcse.c (set_hash_table_size): Now unsigned.
7155 * sdbout.c (template_name_p): Add "const" to avoid warnings.
7156 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
7157 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
7158 (sdbout_end_epilogue): Remove variable NAME.
7159 * system.h (getopt): Add default definition.
7160 * config/alpha/alpha.c (print_operand): Don't continue processing
7161 after issuing error.
7162 (summarize_insn): Avoid use of UL in constant.
7164 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
7166 * fold-const.c (force_fit_type): Unsigned values can overflow
7167 if they are sizetype.
7168 (int_const_binop): Don't use cache if overflows.
7170 2000-10-20 Richard Henderson <rth@cygnus.com>
7172 * function.c (locate_and_pad_parm): Zero alignment_pad.
7174 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
7175 perform substitutions, and apply_change_group to see if it worked.
7177 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7179 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
7181 * combine.c (struct undo): Change int to unsigned int.
7182 (do_SUBST_INT): Args are unsigned int.
7183 (make_extraction, force_to_mode): Use proper type when forming mask.
7184 (make_field_assignment): Likewise.
7186 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
7188 * c-common.c (check_format_info_recurse): Extract string constant
7189 initializers from non-volatile constant arrays and check them as
7191 * c-typeck.c (decl_constant_value): Don't check pedantic or check
7192 for DECL_MODE (decl) != BLKmode.
7193 (decl_constant_value_for_broken_optimization): New function which
7194 includes these checks.
7195 (default_conversion, convert_for_assignment, digest_init): Use
7196 decl_constant_value_for_broken_optimization instead of
7197 decl_constant_value.
7199 2000-10-20 Mark Mitchell <mark@codesourcery.com>
7201 * tree.h (DECL_ALIGN_UNIT): New macro.
7203 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
7205 * config/avr/avr-protos.h (avr_output_bld): New.
7206 (out_shift_with_cnt): Add t_len argument.
7207 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
7208 (output_movqi, output_movhi, output_movsisf): Optimize loading
7209 any constant with exactly one bit set to NO_LD_REGS.
7210 (out_shift_with_cnt): Optimize output code for size or speed,
7211 depending on optimize_size. Handle small shift counts as well
7212 (if not hand-optimized in ?sh??i3_out). Shifts can be done
7213 with or without a scratch register, with help of __tmp_reg__
7214 or __zero_reg__ if necessary. Add T_LEN argument to pass the
7215 length of TEMPLATE in words, return total insn length in *LEN.
7216 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
7217 out_shift_with_cnt to work with the above change.
7218 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
7219 lshrsi3_out): Likewise. Optimize more known shift count cases.
7220 Remove cases already well optimized in out_shift_with_cnt.
7221 (avr_output_bld): New function.
7222 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
7223 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
7224 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
7225 Add reload_completed to insn condition - only for peepholes.
7226 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
7227 in a register or memory.
7228 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
7229 Do not require a scratch register.
7230 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
7231 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
7232 Optimize shifts by known count using a scratch register, but only
7233 if one is still available after register allocation.
7235 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7237 * t-vax: New file. Don't build modules from libgcc1.c.
7239 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
7241 * alias.c: (mark_constant_function): Don't check pure functions.
7242 Initialize and end alias analysis.
7243 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
7244 Don't make a special exception for recursion. Handle
7245 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
7246 unless it's volatile.
7248 * local-alloc.c (equivalence): New structure.
7249 (reg_equiv): Define.
7250 (contains_replace_regs): Remove array and use
7252 (memref_referenced_p): Likewise.
7253 (no_equiv): Likewise.
7254 (update_equiv_regs): Likewise.
7256 (equiv_init_varies_p,
7257 equiv_init_movable_p): New functions.
7258 (update_equiv_regs): Use them. Use rtx_varies_p
7259 instead of function_invariant_p. Process insns
7260 from end to beginning. Allow a REG_EQUIV insn
7261 within the same loop as a use to be moved, also
7262 allow it to be moved out of a loop. Update
7263 REG_DEAD notes when substituting into an insn.
7265 2000-10-19 Jim Wilson <wilson@cygnus.com>
7267 * c-decl.c (start_decl): Check for error_mark_node type before using
7269 (finish_decl): Likewise. Don't give an error if decl type is
7270 already error_mark_node.
7272 * haifa-sched.c (compute_trg_info): Add explanatory comments.
7273 New local update_blocks. Use update_blocks to remove duplicates
7274 when computing update blocks. Check for bblst_table overflow.
7275 (schedule_block): Add explanatory comment. Reduce bblst_size by
7277 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
7280 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
7282 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
7284 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
7286 * expmed.c: Minor corrections in comments.
7287 * invoke.texi: Added desciption for the new option -ftrapv.
7289 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
7291 * libgcc2.c: Added the missing #endif.
7293 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7295 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
7297 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
7299 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
7300 Use smulv_optab for -ftrapv.
7301 (expand_mult_highpart): Use unsigned multiply.
7302 (expand_divmod): Special-case division by -1.
7303 For EXACT_DIV_EXPR, do right shift first, then the multiply.
7304 For complex divide, use abs with unsigned result.
7305 * expr.c (force_operand): Use unsigned multiply.
7306 (expand_expr): Use overflow-trapping optabs for signed types if
7308 If flag_trapv, don't generate a recursive call with EXPAND_SUM
7309 if the type is signed and the original call wasn't EXPAND_SUM or
7311 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
7312 (negv_optab, absv_optab): Declare.
7313 * flags.h (flag_trapv): Declare.
7314 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
7315 smulv_optab, sdivv_optab, negv_optab and absv_optab.
7316 (gen_insn): Interpret '$P' as requiring an integer mode,
7317 including partial integer modes.
7318 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
7319 (product_cheap_p): Use unsigned expand_mult.
7320 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
7321 (negv_optab, absv_optab): Define.
7322 (expand_binop): Use overflow-trapping optabs for signed types if
7324 Handle negv_optab libe neg_optab.
7325 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
7326 Use overflow-trapping optabs for signed result if flag_trapv.
7327 (expand_complex_abs): Use overflow-trapping optabs for signed types if
7329 Don't open-code complex absolute-value operation for flag_trapv.
7330 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
7331 sdivv_optab, negv_optab and absv_optab.
7332 * toplev.c (flag_trapv): Define.
7333 (lang_independent_options f_options): Include flag_trapv.
7334 * tree.h (TYPE_TRAP_SIGNED): Define.
7335 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
7336 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
7338 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
7339 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
7341 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
7342 David V. Henkel-Wallace <gumby@cygnus.com>
7344 * config/i386/t-netware: Bring in from the Red Hat tree.
7345 * config/i386/netware.h: Likewise.
7346 * config/netware.h: Likewise.
7347 * config/rs6000/netware.h: Delete.
7348 * configure.in: Add i[34567]86-*-netware.
7349 * configure: Hand-edit to match configure.in change.
7351 2000-10-18 Mark Mitchell <mark@codesourcery.com>
7353 * c-common.h (flag_no_builtin): Declare.
7354 (flag_no_nonansi_builtin): Likewise.
7355 (c_common_nodes_and_builtins): Change prototype.
7356 * c-common.c (flag_no_builtin): New variable.
7357 (flag_no_nonansi_builtin): Likewise.
7358 (c_common_nodes_and_builtins): Remove parameters. Adjust
7360 * c-decl.c (flag_no_builtin): Remove.
7361 (flag_no_nonansi_builtin): Likewise.
7362 (init_decl_processing): Adjust call to
7363 c_common_nodes_and_builtins.
7365 2000-10-18 Marc Espie <espie@openbsd.org>
7367 * tm.texi (LIBGCC_SPEC): Synch with reality.
7369 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
7371 * c-common.c (check_format_types): Check for writing through a
7372 NULL pointer argument.
7374 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
7376 * tm.texi (Exception Region Output): Document
7377 DWARF_CIE_DATA_ALIGNMENT.
7378 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
7380 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
7381 DWARF_CIE_DATA_ALIGNMENT.
7383 2000-10-18 Michael Hayes <mhayes@cygnus.com>
7385 * basic-block.h (struct loop): Delete fields pre_header_root
7386 and pre_header_trace and replace with pre_header_edges
7387 and num_pre_header_edges.
7388 * flow.c (flow_loop_dump): Dump pre_header_edges.
7389 (flow_loops_free): Free pre_header_edges.
7390 (flow_loop_pre_header_scan): Calculate pre_header_edges.
7392 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7394 * contrib.texi: Update references to steering committee members
7395 and Jeff Law's entry.
7397 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
7399 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
7400 (maybe_read_dollar_number, check_format_info_main): Use them for
7401 pedantic warning messages.
7403 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
7405 * c-common.c (check_format_info_main): Minor cleanup: move
7406 variables into inner scopes; initialize declarations where
7407 appropriate; don't hardcode "scanf" name on warning for zero
7410 2000-10-17 Mark Mitchell <mark@codesourcery.com>
7412 * c-common.c (back_end_hook): New variable.
7413 * c-common.h (back_end_hook): Declare it.
7414 * c-lang.c (finish_file): Use it.
7416 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
7419 2000-10-18 Jan Hubicka <jh@suse.cz>
7421 * i386.c (ix86_comparison_operator, put_condition_code,
7422 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
7423 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
7424 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
7425 * i386.md (adddi and negdi splitter): Use CCRCmode.
7426 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
7427 (subsi3_carry): add '*'
7428 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
7429 (cmp to add peep2): Use CCRCmode; swap operands.
7431 2000-10-18 Kazu Hirata <kazu@hxi.com>
7433 * h8300.c: Fix a comment typo.
7434 (round_frame_size): New.
7435 (compute_saved_regs): Likewise.
7438 (push_order): Remove.
7439 (pop_order): Likewise.
7440 (function_prologue): Rearrange code for readability.
7441 (function_epilogue): Likewise.
7443 * config/h8300/h8300.md: Remove an unnecessary sign_extend
7444 expander that is used when not optimizing. Output a tab after
7445 each assembly insns.
7447 * reorg.c: Fix formatting.
7449 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
7451 * reload1.c (move2add_note_store): Check for simple
7452 auto-inc in destination.
7454 2000-10-17 Michael Chastain <chastain@redhat.com>
7456 * config/i386/i386-aout.h: define INT_ASM_OP.
7458 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
7460 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
7462 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
7464 * i370.md: Fix spelling typo.
7466 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7468 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
7469 Fixes execute/20001017-1.c on powerpc-linux-gnu.
7471 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
7472 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
7475 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
7476 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
7478 * rs6000/aix.h: ...to here.
7479 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
7481 2000-10-17 Jakub Jelinek <jakub@redhat.com>
7483 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
7485 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
7486 sure linker can relax even the delay slot mov %g1,%o7, fix output
7489 2000-10-17 Kazu Hirata <kazu@hxi.com>
7491 * config/h8300/h8300.md: Remove an unnecessary zero_extend
7492 expander that is used when not optimizing. Output a tab after
7493 each assembly insns.
7495 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
7497 * gcc.c: New options --target-help.
7498 (process_command): Added code to parse this new option.
7499 * toplev.c (display_target_options): New function to support the
7501 * cppinit.c (new_pending_directive) : New option OPT_target__help.
7502 (cpp_handle_option): Support this new option.
7503 * invoke.texi: Added notes about --target-help option.
7505 2000-10-17 Graham Stott <grahams@redhat.com>
7507 * config/i386/i386.md (testqi_1): Add missing operand prefix
7509 * config/i386/i386-protos.h: Add missing prototype.
7511 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
7513 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
7514 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
7515 using -mintel-syntax.
7517 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
7519 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
7520 (format_types): Use it for printf.
7521 (maybe_read_dollar_number): Add parameter for the kind of format
7522 involved. Warn for multiple use for arguments if this is
7523 inappropriate for the kind of format involved.
7524 (check_format_info_main): Update calls to maybe_read_dollar_number.
7526 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7528 * inclhack.def (hpux_maxint): Also apply fix to values.h.
7529 * fixincl.x: Rebuilt.
7531 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
7533 * genrecog.c (write_switch): Return the first condition that needs a
7536 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
7538 * c-tree.h (warn_sequence_point): Move declaration to...
7539 * c-common.h (warn_sequence_point): ... here.
7540 * c-decl.c (warn_sequence_point): Move definition to...
7541 * c-common.c (warn_sequence_point): ... here.
7542 (struct reverse_tree): New.
7543 (reverse_list, reverse_max_depth): New static variables.
7544 (build_reverse_tree, common_ancestor, modify_ok
7545 verify_sequence_points): New functions.
7546 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
7547 * c-typeck.c (check_modify_expr): Delete.
7548 (build_modify_expr): Don't call it.
7550 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
7552 * c-common.h (warn_missing_format_attribute): New variable.
7553 * c-decl.c (warn_missing_format_attribute): New variable.
7554 (c_decode_option): Decode -Wmissing-format-attribute and
7555 -Wno-missing-format-attribute.
7556 * c-common.c (check_function_format): If
7557 -Wmissing-format-attribute, give a warning where a vprintf or
7558 vscanf function is called by a function without its own printf or
7560 * toplev.c (documented_lang_options): Add
7561 -Wmissing-format-attribute.
7562 * invoke.texi: Document -Wmissing-format-attribute.
7564 2000-10-17 Marc Espie <espie@openbsd.org>
7566 * invoke.texi (-shared): Insist on requiring code generation flags
7567 to be used along with -shared, and document the subtle failure that
7568 may occur otherwise.
7570 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7572 * pa.md (return_internal): Move `use' after `return'.
7574 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7576 * machmode.def: Correct comment.
7578 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
7580 * print-rtl.c (print_rtx_head): Constify.
7581 * rtl.h (print_rtx_head): Similarly.
7583 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
7584 Constify char * return value.
7586 (output_64bit_and, output_64bit_ior): Constify char * return value.
7587 (pa_can_combine_p): Make static.
7588 (function_arg): Decorate unused `named' argument. Fix comment typo.
7589 (function_arg_partial_nregs): Decorate unused `named' argument.
7591 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
7593 * c-common.c (format_check_results): New structure.
7594 (finish_dollar_format_checking): Adjust to take a
7595 format_check_results * parameter.
7596 (check_format_info, check_format_info_recurse,
7597 check_format_info_main): Split check_format_info into three
7598 functions, the main checking going in check_format_info_main.
7599 Recurse when any reduction of the format string argument towards a
7600 string literal is done; go down both branches of a conditional
7601 expression. Don't warn for extra format arguments or empty format
7602 strings if they only occur in some branches of a conditional
7605 2000-10-16 Kazu Hirata <kazu@hxi.com>
7607 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
7609 2000-10-16 Jakub Jelinek <jakub@redhat.com>
7611 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
7613 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
7615 * i386.md (*movsi_or): Switch operand order for intel syntax.
7617 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
7621 * gcc.texi (Contributing): Update.
7623 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
7625 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
7626 appropriate assembler dialect.
7628 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
7630 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
7632 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
7634 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
7635 constants 1 and 2 to NO_LD_REGS.
7637 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7639 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
7641 * objc/Make-lang.in (objc-parse.c): Likewise.
7643 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
7645 * arm.c: Include obstack.h
7646 (minipool_obstack, minipool_startobj): Define.
7647 (arm_add_gc_roots): Initialize them.
7648 (create_fix_barrier): Use our new obstack.
7649 (push_minipool_barrier, push_minipool_fix): Likewise.
7650 (arm_reorg): Release obstack memory.
7652 2000-10-13 Jakub Jelinek <jakub@redhat.com>
7654 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
7655 (prologue, exception_receiver, builtin_setjmp_receiver): New
7657 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
7658 * config/sparc/sparc-protos.h (finalize_pic): Remove.
7659 (load_pic_register): New prototype.
7660 * config/sparc/sparc.c (pic_setup_code): Remove.
7661 (finalize_pic): Rename to...
7662 (load_pic_register): ...this function.
7663 Don't look for nonlocal_goto_receivers and emit pic setup code
7664 directly. Don't check current_function_uses_pic_offset_table.
7666 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
7668 * tree.h (struct obstack): Declare.
7670 2000-10-12 Mark Mitchell <mark@codesourcery.com>
7673 * Makefile.in (ggc-callbacks.o): Remove target.
7674 (flow.o): Depend on GGC_H.
7675 * alias.c (init_alias_analysis):
7676 Remove ggc_p conditionals.
7677 (end_alias_analysis): Likewise.
7678 * basic-block.h (init_flow): New function.
7679 (allocate_reg_life_data): Declare.
7680 * bb-reorder.c (function_obstack): Replace with ...
7681 (flow_obstack): ... new variable.
7682 (fixup_reorder_chain): Use it.
7683 * c-decl.c (ggc_p): Remove.
7684 (caller-save.c): Don't call oballoc/obfree.
7686 undobuf): Remove storage.
7687 (try_combine): Don't call oballoc.
7688 (undo_all): Don't call obfree.
7689 * cse.c (insert): Use xmalloc, not
7691 (cse_main): Adjust accordingly.
7692 * dwarf2out.c (save_rtx): Remove
7694 (dwarf2out_init): Remove ggc_p conditionals.
7695 * emit-rtl.c (rtl_obstack): Remove.
7696 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
7697 (make_insn_raw): Likewise.
7698 (emit_insn_before): Likewise.
7699 (emit_insn_after): Likewise.
7700 (emit_insn): Likewise.
7701 (gen_sequence): Likewise.
7702 (copy_insn_1): Remove handling of `b' RTL components.
7703 (init_emit_once): Remove ggc_p conditionals.
7704 * except.c (create_rethrow_ref): Don't fool with obstacks.
7705 (add_partial_entry): Likewise.
7706 (call_get_eh_context): Likewise.
7707 (begin_protect_partials): Likewise.
7708 (protect_with_terminate): Likewise.
7710 (plus_constant_wide): Likewise.
7711 * expr.c (init_expr_once):
7713 (emit_block_move): Likewise.
7714 (clear_storage): Likewise.
7715 (expand_expr): Likewise.
7716 * flow.c (function_obstack): Remove.
7717 (flow_obstack): New variable.
7718 (flow_firstobj): Likewise.
7719 (create_base_block): Use the flow_obstack.
7720 (split_block): Likewise.
7721 (split_edge): Likewise.
7722 (calculate_global_regs_live): Likewise.
7723 (allocate_bb_life_data): Make it static. Likewiwse.
7724 (init_flow): New function.
7725 (size_int_type_wide): Remove ggc_p conditionals.
7727 (push_function_context_to): Don't call save_tree_status.
7728 (pop_function_context_from): Or restore_tree_status.
7729 (assign_stack_local_1): Don't call push_obstacks.
7730 (find_fixup_replacement): Use xmalloc.
7731 (fixup_var_refs_insns): Free the storage.
7732 (insns_for_mem_walk): Don't mess with obstacks.
7733 (instantiate_decls): Likewise.
7734 (trampoline_address): Likewise.
7735 (expand_function_end): Likewise.
7736 * function.h (sturct function):
7737 Remove obstack-related variables.
7738 (save_tree_status): Don't declare.
7739 (restore_tree_status): Likewise.
7740 * gcse.c (compute_can_copy):
7741 Don't call oballoc/obfree.
7742 * genattrtab.c (operate_exp): Remove
7744 (simplify_cond): Likewise.
7745 (simplify_test_exp): Don't mess with obstacks.
7746 (optimize_attrs): Likewise.
7747 * gengenrtl.c (gendef): Don't include
7749 * ggc-callbacks.c (ggc_p): Remove.
7750 * ggc-none.c (ggc_p): Remove.
7751 * ggc.h (ggc_p): Don't declare.
7752 * integrate.c (save_for_inline): Don't mess with obstacks.
7753 (integrate_decl_tree): Likewise.
7754 (output_inline_function): Likewise.
7756 (init_EXPR_INSN_LIST_cache): Likewise.
7757 * loop.c (temp_obstack):
7759 (rtl_obstack): Likewise.
7760 (init_loop): Don't mess with obstacks.
7761 (reg_address_cost): Free BIVs and GIVs.
7762 (check_insns_for_bivs): Use xmalloc, not oballoc.
7763 (find_mem_givs): Likewise.
7764 (record_biv): Likewise.
7765 (general_induction_var): Likewise.
7766 (product_cheap_p): Likewse.
7767 * optabs.c (init_one_libfunc): Remove
7769 * print-tree.c (debug_tree): Don't use
7771 (print_node): Likewise.
7772 * profile.c (output_func_start_profiler):
7773 Remove call to temporary_allocation.
7775 (eliminate_regs_in_insn): Don't mess with obstacks.
7777 (mark_target_live_regs): Use xmalloc.
7778 (free_resource_info): Free the memory.
7779 * rtl.c (rtl_obstack):
7781 (rtvec_alloc): Don't mess with obstacks.
7782 (rtx_alloc): Likewise.
7784 (copy_rtx): Don't handle `b' cases.
7785 (read_rtx): Use a local rtl_obstack.
7786 * rtl.h (oballoc): Remove.
7788 (pop_obstacks): Likewise.
7789 (push_obstacks): Likewise.
7790 (allocate_bb_life_data): Likewise.
7791 (allocate_reg_life_data): Likewise.
7792 (rtx_free): Likewise.
7793 * sdbout.c (sdbout_queue_anonymous_type):
7794 Use tree_cons, not saveable_tree_cons.
7796 (cselib_init): Don't mess with obstacks.
7798 (mark_block_nesting): Mark the label_chain.
7799 (epxand_label): Use ggc_alloc, not oballoc.
7800 (clear_last_expr): Don't mess with obstacks.
7801 (expand_decl_cleanup): Likewise.
7802 (expand_dcc_cleanup): Likewise.
7803 (expand_dhc_cleanup): Likewise.
7804 (expand_anon_union_decl): Likewise.
7805 (add_case_node): Use xmalloc, not oballoc.
7806 (free_case_nodes): New function.
7807 (expand_end_case): Call it.
7808 * stor-layout.c (layout_type): Don't
7810 (layout_type): Likewise.
7811 * toplev.c (wrapup_global_declarations):
7813 (compile_file): Remove ggc_p conditionals.
7814 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
7815 (decode_f_option): Remove ggc_p conditionals.
7817 (function_maybepermanent_obstack): Remove.
7818 (maybepermanent_obstack): Likewise.
7819 (function_obstack): Likewise.
7820 (tmeporary_obstack): Likewise.
7821 (momentary_obstack): Likewise.
7822 (temp_decl_obstack): Likewise.
7823 (saveable_obstack): Likewise.
7824 (rtl_obstack): Likewise.
7825 (current_obstack): Likewise.
7826 (expression_obstack): Likewise.
7827 (struct obstack_stack): Likewise.
7828 (obstack_stack): Likewise.
7829 (obstack_stack_obstack): Likewise.
7830 (maybepermanent_firstobj): Likewise.
7831 (temporary_firstobj): Likewise.
7832 (momentary_firstobj): Likewise.
7833 (temp_decl_firstobj): Likewise.
7834 (momentary_function_firstobj): Likewise.
7835 (all_types_permanent): Likewise.
7836 (struct momentary_level): Likewise.
7837 (momentary_stack): Likewise.
7838 (init_obstacks): Remove initialization of removed obstacks.
7839 (save_tree_status): Remove.
7840 (restore_tree_status): Likewise.
7841 (temporary_allocation): Liekwise.
7842 (end_temporary_allocation): Liekwise.
7843 (resume_temporary_allocation): Likewise.
7844 (saveable_allocation): Likewise.
7845 (push_obstacks): Likewise.
7846 (push_obstacks_nochange): Likewise.
7847 (pop_obstacks): Likewise.
7848 (allocation_temporary_p): Likewise.
7849 (permanent_allocation): Likewise.
7850 (preserve_data): Likewise.
7851 (preserve_initializer): Likewise.
7852 (rtl_in_current_obstack): Likewise.
7853 (rtl_in_saveable_obstack): Likewise.
7854 (oballoc): Likewise.
7856 (savealloc): Likewise.
7857 (expralloc): Likewise.
7858 (print_obstack_name): Likewise.
7859 (debug_obstack): Likewise.
7860 (object_permanent_p): Likewise.
7861 (push_momentary): Likewise.
7862 (perserve_momentary): Likewise.
7863 (clear_momentary): Likewise.
7864 (pop_momentary): Likewise.
7865 (pop_momentary_nofree): Likewise.
7866 (suspend_momentary): Likewise.
7867 (resume_momentary): Likewise.
7868 (make_node): Don't set TREE_PERMANENT.
7869 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
7870 Don't set TREE_PERMANENT.
7871 (get_identifier): Remove ggc_p conditionals.
7872 (build_string): Likewise.
7873 (make_tree_vec): Likewise.
7874 (build_decl_list): Remove.
7875 (build_expr_list): Likewise.
7876 (tree_cons): Remove ggc_p conditionals.
7877 (decl_tree_cons): Remove.
7878 (expr_tree_cons): Likewise.
7879 (perm_tree_cons): Likewise.
7880 (temp_tree_cons): Likewise.
7881 (saveable_tree_cons): Likewise.
7882 (build1): Remove ggc_p conditionals.
7883 (build_parse_node): Likewise.
7884 (build_type_attribute_variant): Don't mess with obstacks.
7885 (build_type_copy): Likewise.
7886 (type_hash_canon): Likewise.
7887 (build_pointer_type): Likewise.
7888 (build_reference_type): Likewise.
7889 (build_index_type): Likewise.
7890 (build_range_type): Likewise.
7891 (dump_tree_statistics): Don't print obstack information.
7893 (struct tree_common): Remove permanent_flag.
7894 (TREE_PERMANENT): Remove.
7895 (TREE_SET_PERMANENT): Likewise.
7896 (TYPE_OBSTACK): Likewise.
7897 (struct tree_type): Remove obstack.
7899 (savealloc): Likewise.
7900 (build_decl_list): Likewise.
7901 (build_expr_list): Likewise.
7902 (perm_tree_cons): Likewise.
7903 (temp_tree_cons): Likewise.
7904 (saveable_tree_cons): Likewise.
7905 (decl_tree_cons): Likewise.
7906 (expr_tree_cons): Likewise.
7907 (suspend_momentary): Likewise.
7908 (allocation_temporary_p): Likewise.
7909 (resume_momentary): Likewise.
7910 (push_obstacks_nochange): Likewise.
7911 (permanent_allocation): Likewise.
7912 (push_momentary): Likewise.
7913 (clear_momentary): Likewise.
7914 (pop_momentary): Likewise.
7915 (end_temporary_allocation): Likewise.
7916 (pop_obstacks): Likewise.
7917 (push_obstacks): Likewise.
7918 (pop_momentary_nofree): LIkewise.
7919 (preserve_momentary): Likewise.
7920 (saveable_allocation): Likewise.
7921 (temporary_allocation): Likewise.
7922 (resume_temporary_allocation): Likewise.
7923 (perserve_initializer): Likewise.
7924 (debug_obstack): Likewise.
7925 (rtl_in_current_obstack): Likewise.
7926 (rtl_in_saveable_obstack): Likewise.
7928 * varasm.c (current_obstack): Remove.
7929 (saveable_obstack): Remove.
7930 (rtl_obstack): Remove.
7931 (immed_double_const): Don't mess with obstacks.
7932 (immed_real_cons): Likewise.
7933 (output_constant_def): Likewise.
7934 (init_varasm_status): Use xcalloc.
7935 (mark_pool_constant): Mark the pool constant itself.
7936 (free_varasm_status): Free memory.
7937 (decode_rtx_const): Call bzero directly, rather than expanding it
7939 (record_rtx_const): Don't mess with obstacks.
7940 (force_const_mem): Likewise.
7941 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
7943 (aof_pic_entry): Likewise.
7944 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
7945 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
7946 * config/pa/pa.c (saveable_obstack): Remove.
7947 (rtl_obstack): Likewise.
7948 (current_obstack): Likewise.
7949 (output_call): Don't mess with obstacks.
7950 (hppa_encode_label): Remove ggc_p conditionals.
7951 * config/romp/romp.c (get_symref): Don't mess with obstacks.
7952 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
7953 (rs6000_encode_section_info): Likewise.
7954 * config/sh/sh.c (get_fpscr_rtx): Likewise.
7956 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
7958 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
7959 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
7960 (addsi3_carry): Canonicalize.
7961 (addqi_5): Remove '*'.
7962 (sbb pattern): Canonicalize.
7964 * i386.md (cmp to inc/add peep2): New.
7966 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
7968 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
7971 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7973 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
7974 * README.TRAD, TESTS.FLUNK: Remove.
7976 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7978 * c-common.c (decl_attributes): Don't allow strftime formats with
7979 first_arg_num nonzero.
7980 (check_format_info): Set wanted_type and wanted_type_name to zero
7981 before they are possibly assigned and used.
7983 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7985 * c-common.c (scanf_flag_specs): Add flags ' and I.
7986 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
7987 or the ^ and # flags together.
7988 (scan_char_table): Handle the ' and I flags.
7989 (format_types): Add ' and I flags for scanf.
7991 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
7993 * c-common.c (print_char_table): Use the unpromoted type for
7994 lengths "h" and "hh" with conversions dioxXu.
7995 (check_format_types): Apply the default argument promotions where
7996 the wanted type is not a pointer target.
7998 2000-10-11 Michael Meeks <mmeeks@gnu.org>
7999 Joseph S. Myers <jsm28@cam.ac.uk>
8001 * c-typeck.c (check_modify_expr): New function.
8002 (build_modify_expr): Call it if warn_sequence_point.
8003 * c-decl.c (warn_sequence_point): New variable.
8004 (c_decode_option): Handle -Wsequence-point and
8005 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
8006 * c-tree.h (warn_sequence_point): Declare.
8007 * invoke.texi (-Wsequence-point): Document.
8008 * toplev.c (documented_lang_options): Add -Wsequence-point and
8009 -Wno-sequence-point.
8010 Original work by Michael Meeks, 16 Jun 1998.
8012 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8014 * tree.c (get_narrower): Don't look at precision of field if
8017 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
8019 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
8020 declaration for data with "progmem" attribute.
8022 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
8024 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
8025 Correct insn length if shift count is a memory operand.
8026 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
8027 (*iorhi3_clobber): Change lo8 to hi8.
8028 (zero_extendhisi2): Change %B0 to %A1.
8029 (ashlhi3, ashrhi3): Correct insn length.
8030 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
8031 from "clobber" to "set_n" in some alternatives.
8033 2000-10-10 Jakub Jelinek <jakub@redhat.com>
8035 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
8036 remove its insn_chain structure as well.
8038 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8040 * dbxout.c (dbxout_source_line): Remove extra tab.
8042 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
8044 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
8046 2000-10-09 Richard Henderson <rth@cygnus.com>
8048 * Makefile.in (LANG_LIB2FUNCS): Remove.
8049 (LIB2FUNCS): Remove _pure.
8050 (LIB2ADD): Remove LANG_LIB2FUNCS.
8051 (stage_a): Don't set LANG_LIB2FUNCS.
8052 * libgcc2.c (__terminate): Mark noreturn.
8053 (__pure_virtual): Remove.
8054 * mklibgcc.in: Remove LIB2ADD .txt processing.
8056 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
8058 * arm.md (push_multi): Revert unintended change.
8060 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
8062 * arm.c: Miscellaneous white space and comment clean-ups. No
8066 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8068 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
8069 STRING_CST by calling combine_strings.
8071 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
8073 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
8074 (thumb_output_move_mem_multiple): Support new insn format.
8075 * arm.md (movmem12b): Use SSA compatible format.
8076 (movmem8b): Likewise.
8078 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
8080 * arm.md (predicable): New attribute, default to "no".
8081 (all patterns): Mark as predicable if appropriate.
8082 (conditional execution splits): Split using predication format.
8083 (define_cond_exec): Define.
8084 * arm.c (arm_print_operand): handle insn predicate.
8086 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8088 * README.NS32K: Remove file.
8090 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8092 * README-bugs: Remove file.
8094 2000-10-08 Philipp Thomas <pthomas@suse.de>
8095 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
8097 * configure: Rebuilt.
8099 2000-10-08 Philipp Thomas <pthomas@suse.de>
8100 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
8101 disable catalog building if no suitable program was found.
8102 Move warning message from here
8103 (AM_GNU_GETTEXT): To here.
8104 * configure: Rebuilt.
8106 2000-10-08 Philipp Thomas <pthomas@suse.de>
8107 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
8108 different cache variables.
8109 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
8110 uses different cache variables.
8111 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
8112 * configure: Regenerated.
8114 2000-10-08 Richard Henderson <rth@cygnus.com>
8116 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
8117 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
8118 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
8121 * config/t-linux (SHLIB_EXT): New.
8122 (SHLIB_LINK): Use the entire build command, with substitutions.
8123 (SHLIB_LIBS): Remove.
8124 * config/alpha/t-osf4: Likewise.
8125 * config/mips/t-iris6: Likewise.
8126 * config/sparc/t-sol2: Likewise, but move shlib stuff...
8127 * config/sparc/t-slibgcc-sld: ...here.
8128 * config/sparc/t-slibgcc: New file.
8130 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
8132 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
8133 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
8135 (intmax_type_node, uintmax_type_node): Define.
8136 * c-common.c (decl_attributes): If pedantic, warn if `mode'
8137 attributes create a type wider than intmax_t.
8138 (T_IM, T_UIM): Define properly.
8139 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
8141 (init_decl_processing): Initialize intmax_type_node and
8143 * c-lex.c (lex_number): When pedantic and warning for integer
8144 constants that are too large, in C99 mode warn for those that have
8145 a type wider than long long.
8147 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
8149 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
8150 FMT_FLAG_FANCY_PERCENT_OK): Define.
8151 (format_char_info): Add flag "4" to comment.
8152 (format_flag_spec, format_flag_pair): New structures.
8153 (format_kind_info): Add additional fields to control format
8155 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
8156 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
8158 (time_char_table): Use "4" flag to handle %Ey.
8159 (format_types): Add entries for new fields.
8160 (get_flag_spec): New function.
8161 (check_format_info): Increase size of flag_chars[] to 256.
8162 Control format checking using the new fields of a format_kind_info
8163 and the new tables; remove all conditionals on printf_format_type,
8164 scanf_format_type or strftime_format_type. Handle all details of
8165 bad combinations of flags (including width, precision and strftime
8166 modifiers) through data rather than ad hoc code. Handle all
8167 details of standard versions in which flags appeared through
8168 data. Use the "4" flag.
8170 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
8172 * config/h8300/h8300.md: Remove the memory alternative and correct
8173 the insn lengths in the templates for sign extention and zero
8176 2000-10-07 Richard Henderson <rth@cygnus.com>
8178 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
8179 * flow.c (make_edges): Revert last change.
8181 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
8183 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
8185 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
8187 * config/alpha/elf.h: Standardize the formatting.
8189 2000-10-06 David O'Brien <obrien@FreeBSD.org>
8191 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
8194 2000-10-06 Richard Henderson <rth@cygnus.com>
8196 * function.c (diddle_return_value): Examine
8197 current_function_return_rtx instead of the DECL_RESULT.
8198 (expand_function_end): Handle reloading DECL_RESULT from memory
8199 into a hard register. Query promote_mode for sign of mismatched
8202 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
8204 * haifa-sched.c (schedule_insns): Fix typo in freeing
8205 forward_dependency_cache.
8207 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
8209 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
8210 `TARGET_SH2' as a condition.
8212 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
8214 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
8215 forward_dependency_cache): New variables.
8216 (add_dependence, remove_dependence): Use anti_dependency_cache and
8217 output_dependency_cache.
8218 (compute_block_forward_dependences): Use forward_dependency_cache.
8219 (schedule_insns): Allocate and free memory for anti/output/forward
8220 dependencies caches.
8222 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
8224 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
8225 `! TARGET_SH1'. Reindent.
8227 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8229 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
8230 Move functions from here ...
8232 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
8234 (c_expand_builtin): New function.
8235 (init_function_format_info): Don't set `check_function_format_ptr'.
8236 (c_common_nodes_and_builtins): Set built_in_class type for
8237 printf/__builtin_printf to BUILT_IN_FRONTEND.
8238 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
8240 * c-common.h (build_function_call): Declare.
8242 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
8243 to `lang_expand_expr' rather than `expand_builtin'.
8245 * tree.c (check_function_format_ptr): Delete.
8247 * tree.h (check_function_format_ptr): Likewise.
8249 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
8251 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
8252 DW_OP_bregx when cfa->reg > 31.
8254 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
8257 2000-10-05 Richard Henderson <rth@cygnus.com>
8259 * c-decl.c (warn_missing_noreturn): Remove.
8260 (c_expand_body): Don't set or check can_reach_end.
8261 * c-tree.h (warn_missing_noreturn): Move ...
8262 * flags.h: ... here.
8263 (can_reach_end): Remove.
8264 * flow.c (check_function_return_warnings): New.
8265 (make_edges): No edge to exit for noreturn sibcalls.
8266 * function.c (expand_function_end): Save the return value
8267 clobber instruction.
8268 (mark_function_status): Mark it.
8269 * function.h (struct function): Add x_clobber_return_insn.
8270 * jump.c (can_reach_end): Remove.
8271 (calculate_can_reach_end): Remove.
8272 (jump_optimize_1): Don't call it.
8273 * output.h (check_function_return_warnings): Declare.
8274 * toplev.c (warn_missing_noreturn): Move from c-decl.c
8275 (rest_of_compilation): Call check_function_return_warnings.
8277 2000-10-05 Richard Henderson <rth@cygnus.com>
8279 * Makefile.in (NM_FOR_TARGET): New.
8280 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
8281 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
8282 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
8283 shared library build on that and EXTRA_MULTILIB_PARTS.
8284 * mkmap-flat.awk: New file.
8285 * mkmap-symver.awk: New file.
8286 * libgcc-std.ver: New file.
8287 * config/libgcc-glibc.ver: New file.
8288 * config/ia64/libgcc-ia64.ver: New file.
8289 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
8290 (SHLIB_LINK): Add --version-script.
8291 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
8292 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
8293 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
8294 (SHLIB_LINK): Add -M.
8296 2000-10-05 Richard Henderson <rth@cygnus.com>
8298 * Makefile.in (LIB2FUNCS): Add _clz.
8299 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
8300 (__clz_tab): Put in its own unit, non-static.
8301 * libgcc2.h: Always include longlong.h.
8303 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
8304 a zero instead of -1.
8305 (count_trailing_zeros): Likewise.
8307 2000-10-05 Richard Henderson <rth@cygnus.com>
8309 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
8310 when second op1 is const0_rtx. Validate op0 as a register.
8311 * config/alpha/alpha.md (setcc_internal): Don't allow constants
8312 in the first argument of the compare.
8313 (setcc_swapped_internal): Likewise.
8314 (setne_internal): Likewise.
8316 2000-10-05 Geoff Keating <geoffk@cygnus.com>
8318 * tree.c (tree_size): New function split out of copy_node.
8319 (make_node): Remove obstack handling. Use tree_size.
8320 (copy_node): Use tree_size.
8321 * tree.h: Prototype tree_size.
8323 2000-10-05 Richard Henderson <rth@cygnus.com>
8325 * diagnostic.c (output_format): Add missing break.
8327 2000-10-05 Jim Wilson <wilson@cygnus.com>
8329 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
8330 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
8331 sequence insn to INSN, and delete last sequence insn.
8333 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
8335 * gcc.c (main): Include generated configargs.h header
8336 and use arguments in '-v' output.
8338 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8340 * gcc.c: Move data on prefixes forward in file and reorganize.
8341 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
8342 Always define, but make null if no value.
8343 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
8344 and "md_startfile_prefix_1".
8345 (main): Check whether md_exec_prefix and the others are the
8346 null string rather than whether the macro is defined.
8348 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
8350 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
8351 from PSImode to SImode.
8353 2000-10-05 Jakub Jelinek <jakub@redhat.com>
8355 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
8356 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
8357 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
8360 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8362 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
8363 negation in proper type.a
8365 2000-10-04 Richard Henderson <rth@cygnus.com>
8367 * configure.in (enable-shared): New.
8368 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
8369 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
8370 * mklibgcc.in: Use them to link shared a libgcc.
8371 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
8372 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
8373 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
8374 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
8376 * configure.in (alpha-osf*): Use t-osf and x-osf.
8377 * config/alpha/t-osf: New file.
8378 * config/alpha/t-osf4: New file.
8379 * config/alpha/x-osf: New file.
8380 * config/alpha/x-alpha: Remove file.
8382 2000-10-04 Will Cohen <wcohen@redhat.com>
8384 * c-typeck.c (process_init_element): Added warning for zero-length
8387 * extend.texi (Zero Length): State that static initializers for
8388 zero-length arrays are not allowed.
8390 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
8392 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
8395 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8397 * config/float-c4x.h: New.
8398 * configure.in (c4x-*): Set float_format to c4x.
8399 * configure: Regenerate.
8401 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8403 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
8404 compilation for solaris versions 2.7 and greater.
8406 2000-10-02 Marc Espie <espie@openbsd.org>
8408 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
8409 instead of redefining from scratch.
8411 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
8413 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
8415 2000-10-01 Mark Mitchell <mark@codesourcery.com>
8417 * config/ns32k/genix.h: Remove.
8418 * config/ns32k/x-genix: Likewise.
8419 * config/ns32k/xm-genix.h: Likewise.
8420 * config/fx80: Remove all filee in directory.
8421 * config/pyr: Likewise.
8422 * config/tahoe: Likewise.
8423 * config/gmicro: Likewise.
8424 * config/spur: Likewise.
8425 * configure.in: Remove configury bits for above targets.
8426 * configure: Regenerated.
8428 * configure.in: Don't configure chill by default.
8429 * configure: Regenerated.
8431 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
8432 (lang_mark_false_label_stack): Remove.
8433 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
8434 <top level> string in GC area.
8435 (mark_splay_tree_node): New function.
8436 (mark_splay_tree): Likewise.
8437 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
8439 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
8440 * ggc-common.c (lang_mark_false_label_stack): Change type.
8441 * ggc.h (ggc_alloc_string): Add comment.
8442 (ggc_strdup): New function.
8444 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
8446 * config/avr/avr.h (BRANCH_COST): Define as 0.
8448 * config/pdp11/pdp11.c: #include "tree.h" added.
8450 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
8452 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
8453 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
8454 with known shift count.
8455 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
8456 New alternative for shift count 2 with no scratch register.
8457 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
8458 "set_n" for shift counts 1 and 2.
8460 2000-09-30 Geoff Keating <geoffk@cygnus.com>
8462 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
8463 the mask value from the individual SET operations.
8464 (return_internal_si): Move the USE after the RETURN.
8465 (return_internal_di): Likewise.
8466 (return_and_restore_fpregs_si): Likewise.
8467 (return_and_restore_fpregs_di): Likewise.
8468 (return_eh_si): Likewise.
8469 (return_eh_di): Likewise.
8470 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
8472 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
8473 Don't generate a PARALLEL around a single operation movsi_to_cr.
8474 Generate the RETURN first in any PARALLELs.
8476 * rtlanal.c (single_set_1): Use fatal_insn to display the
8477 invalid insn. Check for more cases when a USE or CLOBBER occurs
8479 * Makefile.in: Update dependencies for rtlanal.o.
8481 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
8483 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
8485 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
8487 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
8488 Consistently use @email for formatting email addresses.
8490 2000-09-29 Richard Henderson <rth@cygnus.com>
8492 * cse.c (notreg_cost): New argument outer.
8493 (COST): Pass in SET to notreg_cost
8495 (fold_rtx): Use COST_IN. Prefer constants when costs
8498 2000-09-29 David Edelsohn <edelsohn@gnu.org>
8500 * fixinc/inclhack.def (broken_cabs): Generalize regex.
8501 * fixinc/fixincl.x: Regenerate.
8503 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8505 * loop.c (check_final_value): A GIV is not replaceable if used
8508 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
8510 * version.c: Bump to gcc-2.97.
8512 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
8514 * final.c (final_scan_insn): Remove extra extract_insn call;
8515 Use caching for constrain_operands.
8516 (cleanup_subreg_operands): Use caching for extract_insn.
8517 * recog.c (constrain_operands_cached): New.
8518 * recog.h (constrain_operands_cached): Declare.
8519 * i386.c (ix86_attr_length_immediate_default,
8520 ix86_attr_length_address_default, ix86_agi_dependant): Cache
8523 * recog.c (asm_noperands): Tweak.
8524 (extract_insn): Do not call asm_noperads for non-asm instructions.
8526 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
8528 * recog.c (recog_memoized): Rename to recog_memoized_1.
8529 * recog.h (recog_memoized): Rename to recog_memoized_1.
8530 (recog_memoized): New macro.
8531 * rtl.h (single_set): Rename to single_set_1
8532 (single_set): New macro.
8533 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
8536 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
8537 Do not use match_dup of input operands at outputs.
8538 Use register_operand for memory expression.
8539 (rep_movsi): Put use last, canonicalize.
8540 Use register_operand for memory expression.
8541 (rep_movqi): Put use last.
8542 Use register_operand for memory expression.
8543 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
8544 of input operands at outputs. Use register_operand for memory
8546 (rep_stossi): Put use last; canonicalize; fix match_dup in
8547 the address expression
8548 (rep_stosqi): Likewise.
8549 (memcmp expander): Update calls.
8550 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
8553 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
8555 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
8557 2000-09-28 David O'Brien <obrien@FreeBSD.org>
8559 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
8560 Contains the old contents of config/i386/freebsd.h
8561 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
8562 Contains the old contents of config/i386/freebsd-elf.h
8563 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
8564 config/i386/freebsd.h.
8565 * configure.in: Adjust for above changes.
8566 * po/POTFILES.in: Likewise.
8567 * po/en_GB.po: Likewise.
8568 * po/gcc.pot: Likewise.
8569 * configure: Rebuilt.
8571 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8573 * doloop.c (doloop_modify): Prevent delete_insn() from
8574 deleting too much. Prefer loop->top over loop->start as
8575 target for the new JUMP insn.
8576 (doloop_valid_p): Ignore loop with exit_count != 0.
8578 2000-09-28 Philipp Thomas <pthomas@suse.de>
8580 * invoke.texi (i386 Options): Add athlon to table of possible
8583 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
8585 * diagnostic.h (output_clear_message_text): New function.
8586 (output_message_text): New macro.
8588 * diagnostic.c (clear_text_info): Rename to
8589 output_clear_message_text.
8590 (output_clear): Adjust.
8591 (output_finish): Rename to output_finalize_message. Tweek.
8592 (output_to_stream): Adjust.
8594 2000-09-28 Neil Booth <neilb@earthling.net>
8596 * cpperror.c (_cpp_begin_message): Do the test for suppression
8597 of warnings and pedantic warnings before the "is a warning an
8599 * cppinit.c (cpp_handle_option): Remove surplus \n.
8600 * cpplex.c (ON_REST_ARG): Delete.
8601 (skip_block_comment): Initialise prevc.
8602 (parse_args): Improve error messages.
8603 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
8605 * cpplib.c (cpp_push_buffer): Fix grammar in message.
8606 * cppmain.c (main): Set callbacks for #ident and #pragma
8607 only if no_output option is false.
8608 (do_pragma_implementation): Only call the #pragma handler
8609 if it is set in the cpp_reader structure.
8611 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
8613 * integrate.c (copy_insn_list): if an ignored return value
8614 is being clobbered, skip cloning that into the inline copy.
8616 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
8618 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
8619 use @uref for formatting URLs.
8621 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
8623 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
8626 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
8628 * gcc.c (cpp_options): Add spec for -ftabstop=.
8629 (invoke_as): New spec that handles invoking as.
8630 Update specs to handle -save-temps and -traditional.
8631 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
8633 * cp/lang-specs.h, objc/lang-specs.h: Update to use
8634 invoke_as, and handle -save-temps and -traditional (if
8637 2000-09-26 Jakub Jelinek <jakub@redhat.com>
8639 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
8641 (function_arg_slotno): Accept TImode/CTImode.
8642 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
8645 2000-09-26 Michael Hayes <mhayes@cygnus.com>
8647 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
8650 2000-09-25 Jim Wilson <wilson@cygnus.com>
8652 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
8653 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
8654 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
8655 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
8657 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
8659 * cpplex.c (parse_args): Don't set VOID_REST flag.
8660 (CONTEXT_VARARGS): New flag.
8661 (maybe_paste_with_next): Set context earlier in loop. Use
8662 it. Do varargs test with CONTEXT_VARARGS flag.
8663 (push_arg_context): Set CONTEXT_VARARGS flag if we're
8664 pushing an argument context for a varargs argument.
8665 * cpplib.h (VOID_REST): Delete.
8666 * gcc.dg/cpp/vararg1.c: Add test case.
8668 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
8670 * flags.h: Declare warning flag warn_system_headers.
8671 * toplev.c: Define it.
8672 (W_options): Add option -Wsystem-headers.
8673 * diagnostic.c (count_error): Test warn_system_headers.
8674 * invoke.texi: Add description for -Wsystem-headers.
8675 * cpplib.h (cpp_options): New member warn_system_headers.
8676 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
8677 CPP_IN_SYSTEM_HEADER.
8678 * cpplib.c (do_import, do_pragma_once): Likewise.
8679 * cpperror.c (_cpp_begin_message): Test warn_system_headers
8680 and CPP_IN_SYSTEM_HEADER.
8681 * cppinit.c (handle_option): Recognize -Wsystem_headers.
8682 (print_help): Describe -Wsystem_headers.
8683 * cpplex.c (lex_line): Reorganize condition so that warnings
8684 about C++ comments in system headers can be enabled. Remove
8685 label do_line_comment.
8687 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
8689 * cpplex.c (save_comment): Only store the initial '/'
8691 (lex_token): Combine handling of the two comment types.
8692 Pass everything but the initial '/' to save_comment.
8694 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
8696 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
8697 _cpp_can_paste): New library-internal prototypes.
8698 * cpplex.c (dump_param_spelling, output_line_command,
8699 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
8700 cpp_printf, cpp_output_list): Move to cppoutput.c.
8701 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
8702 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
8704 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
8705 dump_param_spelling, output_line_command, cpp_scan_buffer,
8706 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
8708 * Makefile.in: Add cppoutput.c.
8709 * po/POTFILES.in: Add cppoutput.c.
8711 2000-09-25 Richard Henderson <rth@cygnus.com>
8713 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
8714 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
8715 split until after reload.
8716 (rotlsi3, rotldi3): New.
8718 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
8720 * diagnostic.c (output_last_position): Define.
8721 (set_real_maximum_length): Tweek.
8722 * diagnostic.h (output_last_position): Declare.
8724 2000-09-25 Kazu Hirata <kazu@hxi.com>
8726 * config/i386/i386.c: Fix formatting.
8728 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
8730 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
8731 UNITS_PER_WORD is small.
8733 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
8735 * c-common.c (format_char_info): Add flags2; update comments.
8736 (print_char_table, scan_char_table, time_char_table): Split some
8737 flags out into flags2.
8738 (check_format_info): Use flags2 for those flags, for identifying
8739 the initial character of a scanf scanset, and for identifying
8740 printf formats where the '0' flag is ignored with precision.
8742 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
8744 Changes below marked "here" add TABs on either or both sides,
8745 covering start of line, up to any operand for all noted .*ASM.*_OP
8746 definitions. All callers changed.
8747 * tm.texi: Make documented *_ASM.*_OP:s include spacing
8748 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
8749 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
8750 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
8751 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
8752 Fix typos in description for LONG_LONG_TYPE_SIZE and
8753 FINI_SECTION_ASM_OP.
8754 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
8755 why these defaults don't have leading spacing.
8756 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
8757 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
8758 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
8759 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
8760 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
8761 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
8762 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
8763 * varasm.c (ASM_STABS_OP): Here.
8764 * xcoffout.h (ASM_STABS_OP): Here.
8765 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
8766 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
8767 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
8768 STRING_ASM_OP): Here.
8769 * config/freebsd.h (IDENT_ASM_OP): Here.
8770 * config/linux-aout.h (SET_ASM_OP): Here.
8771 * config/linux.h (SET_ASM_OP): Here.
8772 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8774 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
8775 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
8776 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
8777 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8779 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
8780 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
8781 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
8782 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
8783 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
8784 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8785 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
8786 * config/a29k/udi.h (INT_ASM_OP): Here.
8787 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
8788 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
8790 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
8791 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8792 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
8793 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
8794 ASM_STABD_OP): Here.
8795 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
8796 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
8797 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8798 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
8799 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
8800 SIZE_ASM_OP, STRING_ASM_OP): Here.
8801 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
8802 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
8803 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
8804 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
8805 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
8806 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
8808 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8809 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
8810 * config/arm/coff.h (INT_ASM_OP): Here.
8811 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
8812 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
8813 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
8814 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
8815 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
8816 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8817 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
8818 STRING_ASM_OP): Here. Update documentation copy in comments.
8819 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
8820 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
8821 DATA_SECTION_ASM_OP): Here.
8822 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
8824 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
8825 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
8826 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8827 BSS_SECTION_ASM_OP): Here.
8828 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8829 BSS_SECTION_ASM_OP): Here.
8830 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8832 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
8833 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
8834 * config/h8300/h8300.h (ASM_WORD_OP): Here.
8835 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8836 BSS_SECTION_ASM_OP): Here.
8837 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
8838 * config/i386/bsd.h (ASM_BYTE_OP): Here.
8839 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
8840 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
8841 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
8843 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
8844 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
8846 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
8847 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
8848 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
8849 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
8851 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
8852 * config/i386/netbsd.h (INT_ASM_OP): Here.
8853 * config/i386/openbsd.h (INT_ASM_OP): Here.
8854 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
8855 IDENT_ASM_OP): Here.
8856 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
8857 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
8858 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
8859 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
8860 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
8861 SHARED_BSS_SECTION_ASM_OP): Here.
8862 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
8863 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
8864 DATA_SECTION_ASM_OP): Here.
8865 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8866 CONST_SECTION_ASM_OP): Here.
8867 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
8868 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8869 BSS_SECTION_ASM_OP): Here.
8870 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
8871 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
8872 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
8873 BSS_ASM_OP): Here, but use trailing spaces.
8874 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
8875 DATA_SECTION_ASM_OP): Here.
8876 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
8878 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
8879 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
8880 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8881 TDESC_SECTION_ASM_OP): Here.
8882 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
8883 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
8884 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8886 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8887 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
8888 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
8889 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
8890 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
8891 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
8892 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8893 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
8894 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
8895 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
8896 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
8897 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
8899 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
8900 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
8901 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
8902 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
8903 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
8904 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
8905 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
8906 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8907 GLOBAL_ASM_OP): Here.
8908 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
8909 BSS_SECTION_ASM_OP): Here.
8910 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
8911 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8912 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
8913 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
8915 * config/m68k/newsgas.h (SET_ASM_OP): Here.
8916 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
8917 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
8918 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
8919 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
8920 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
8921 but use trailing spaces.
8922 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
8923 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
8924 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
8926 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
8927 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
8928 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
8929 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
8930 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8931 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
8932 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
8933 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
8934 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
8935 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
8936 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
8937 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
8939 * config/m88k/openbsd.h (SET_ASM_OP): Here.
8940 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8941 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
8942 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
8943 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
8944 DTORS_SECTION_ASM_OP): Here.
8945 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
8946 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
8947 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
8948 BSS_SECTION_ASM_OP): Here.
8949 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
8950 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
8951 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
8952 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
8953 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
8954 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
8955 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
8956 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
8958 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
8960 * config/mips/osfrose.h (SET_ASM_OP): Here.
8961 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
8962 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
8963 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
8964 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8966 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
8967 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
8968 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
8969 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
8970 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
8971 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8973 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
8975 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
8976 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
8977 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
8979 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
8980 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
8981 * config/sparc/linux.h (COMMON_ASM_OP): Here.
8982 * config/sparc/linux64.h (COMMON_ASM_OP,
8983 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
8984 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
8985 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
8986 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
8987 * config/sparc/pbd.h (ASM_INT_OP): Here.
8988 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
8989 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
8990 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
8991 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
8992 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
8993 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
8994 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
8995 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
8996 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
8997 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
8998 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
8999 EH_FRAME_SECTION_ASM_OP): Here.
9000 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
9001 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
9003 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
9005 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
9006 TCOMMON_ASM_OP): Here.
9007 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
9009 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
9012 2000-09-25 Richard Henderson <rth@cygnus.com>
9014 * expmed.c (store_bit_field): Adjust last change to not consider
9015 any word-sized field naturally aligned.
9017 2000-09-24 Richard Henderson <rth@cygnus.com>
9019 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
9020 TFmode unordered compares properly. Revalidate integer compare
9022 (alpha_emit_setcc): New.
9023 (alpha_emit_conditional_move): Revalidate integer compare operands.
9024 * config/alpha/alpha-protos.h: Update.
9025 * config/alpha/alpha.md (cmpdi): Allow general operands.
9026 (sne): Use alpha_emit_setcc.
9027 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
9028 (sunordered, sordered): New.
9030 2000-09-24 Richard Henderson <rth@cygnus.com>
9032 * config/ia64/ia64-protos.h: Update.
9033 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
9034 (ia64_expand_call): New.
9035 (ia64_expand_prologue): Emit an alloc if we need extra input
9037 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
9038 instruction if true.
9039 (struct reg_flags): Add is_sibcall.
9040 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
9041 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
9042 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
9043 * config/ia64/ia64.h (PREDICATE_CODES): Update.
9044 * config/ia64/ia64.md (call): Use ia64_expand_call.
9045 (call_value): Likewise.
9046 (sibcall, sibcall_value): New.
9047 (call patterns): Remove extra expanders; tidy.
9048 (sibcall_epilogue): New.
9049 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
9051 2000-09-24 Richard Henderson <rth@cygnus.com>
9053 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
9055 * sibcall.c (skip_pic_restore): New.
9056 (identify_call_return_value): Use it.
9058 2000-09-24 Mark Mitchell <mark@codesourcery.com>
9060 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
9061 functions. Generalize to handle both C and C++.
9062 * Makefile.in (c-tree.info): New target.
9063 (info): Add c-tree.info.
9065 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9067 * expr.c (store_field): If BITSIZE is negative, use size of type.
9068 (expand_expr, case COMPONENT_EXPR): Likewise.
9070 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
9072 * cpplex.c: Update TODO comment.
9073 * cpplib.c (do_error, do_warning): Merge common code of
9074 do_error and do_warning into do_diagnostic. Use it.
9075 (do_diagnostic): New function.
9076 * cpplib.h: Fix comment typo.
9078 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
9080 * c-common.c (check_format_info): Warn for a wide character string
9081 used as a non-wide format argument.
9083 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
9085 * builtins.def (BUILT_IN_LLABS): Add.
9086 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
9087 * c-common.c (c_common_nodes_builtins): Create builtin functions
9088 __builtin_llabs, and plain llabs unless no_nonansi_builtins
9089 outside of C99 mode.
9090 (expand_tree_builtin): Handle BUILT_IN_LLABS.
9092 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
9094 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
9095 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
9096 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
9097 _cpp_free_toklist): No need to worry about extra dummy token
9098 at the start of token lists any more.
9099 (trigraph_ok): Only warn outside comments.
9100 (skip_block_comment): Set and clear lexing_comment.
9101 (skip_line_comment): Take a cpp_reader not cpp_buffer.
9102 Set and clear lexing_comment.
9103 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
9104 (check_long_token): Delete.
9105 (lex_percent, lex_dot): New subroutines of lex_token to
9106 handle lexing of '.' and '%' without lookback.
9107 (lex_token): Use lex_dot and lex_percent.
9108 (lex_line): Don't check for LIST_OFFSET.
9109 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
9110 * cpplib.c (_cpp_parse_assertion): Similarly.
9111 (cpp_push_buffer): Initialize extra_char.
9112 * cpplib.h (LIST_OFFSET): Delete.
9113 (struct cpp_buffer): New member extra_char.
9114 (struct lexer_state): New members lexing_comment and seen_dot.
9116 2000-09-23 Jason Merrill <jason@redhat.com>
9118 * config/rs6000/x-aix41 (CLIB): Define here.
9119 * config/rs6000/t-aix43: Not here.
9120 * config/rs6000/t-aix41: Or here. Remove.
9121 * configure.in: Don't use it.
9123 2000-09-22 Jason Merrill <jason@redhat.com>
9125 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
9126 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
9127 * config.in: Regenerate.
9129 * configure.in: Fix checks for assembler features when using a
9130 one-tree assembler that has not yet been built.
9131 Fix --disable-threads.
9133 2000-09-19 Geoff Keating <geoffk@cygnus.com>
9135 * stmt.c (expand_asm_operands): Allow # in constraints.
9137 2000-09-22 Jason Merrill <jason@redhat.com>
9139 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
9141 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
9142 function-local names.
9144 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
9145 Mark Mitchell <mark@codesourcery.com>
9147 * toplev.c (warn_disabled_optimization): Declare new warning flag.
9148 * flags.h (warn_disabled_optimization): Add it here.
9149 * gcse.c (gcse_main): Add warning when disabled.
9150 * invoke.texi: Document -Wdisabled-optimization.
9152 2000-09-21 Jason Merrill <jason@redhat.com>
9154 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
9156 * dwarf2out.c (tree_add_const_value_attribute): New fn.
9157 (gen_variable_die): Call it for non-definitions.
9159 * dwarf2out.c (die_struct): Add die_mark field.
9160 (mark_dies, unmark_dies): New fns.
9161 (clear_die_sizes): Remove.
9162 (print_die): Check die_symbol rather than die_offset.
9163 (build_abbrev_table, output_pubnames, output_aranges): Check
9164 die_mark rather than die_offset.
9165 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
9168 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
9170 * cppfiles.c (lookup_include_file): Rename to open_file.
9171 Always create a splay tree value, even on syscall failures.
9172 Negative entries indicated by fd == -2.
9173 Re-open files closed in the meantime.
9174 (_cpp_fake_include): Create a negative splay tree entry.
9175 (find_include_file, cpp_read_file): Update for function name
9177 * gcc.gd/cpp/mi4.c: Testcase.
9179 2000-09-21 Nick Clifton <nickc@redhat.com>
9181 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
9182 ARM and THUMB modes.
9184 * config/mcore/mcore.c: Fix compile time warnings.
9185 * config/mcore/mcore-protos.h: Fix compile time warnings.
9187 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9189 * configure.in: Correct test of gcc_cv_glibc.
9190 * configure: Rebuilt.
9191 * config.in: Rebuilt.
9193 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9195 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
9196 (expand_builtin): Handle BUILT_IN_FWRITE.
9198 * builtins.def (BUILT_IN_FWRITE): New entry.
9200 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
9202 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9204 * gcc.c (modify_target): New variable and struct.
9205 (process_command): Handle MODIFY_TARGET_NAME.
9206 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
9207 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
9209 * c-decl.c (finish_decl): Add else's to avoid referencing
9210 TYPE_DOMAIN of an ERROR_MARK.
9212 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
9214 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
9217 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
9219 * config/avr/avr.md (neghi2): Add alternative for input and output
9220 operands in different registers, as in negsi2.
9221 (*negsi2): Remove '*' from the name. Use "movw" if available.
9223 2000-09-19 Jim Wilson <wilson@cygnus.com>
9225 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
9226 HAVE_GAS_HIDDEN macro.
9228 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
9230 * cpplex.c (lex_line): Drop the EOF token for unknown
9231 directives in assembler.
9233 2000-09-19 David Edelsohn <edelsohn@gnu.org>
9235 * configure.in: Allow enable_threads_flag value of "aix". Define
9236 thread_file as "aix" for AIX 4.3 and above.
9237 * configure: Regenerated.
9239 * gthr-aix.h: New file.
9241 * rs6000/t-aix43: Replace soft-float multilib with pthread.
9242 Remove 403 processor multilib match. Fix rios2 processor multilib
9245 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
9246 to return to appropriate csect.
9248 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9250 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
9252 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
9253 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
9256 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
9259 * c-common.c (init_function_format_info): Handle __builtin_printf.
9260 Set `check_function_format_ptr'.
9261 (c_common_nodes_and_builtins): Set `puts_ftype' and
9262 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
9263 __builtin_printf and printf.
9265 * tree.c, tree.h (check_function_format_ptr): Declare.
9267 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
9269 * cppfiles.c (read_include_file): Take no special action for
9272 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
9274 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
9275 rather than that of branch.
9276 (shorten_branches): Don't increment insn_current_address twice.
9278 Undo most of the Wed Jan 27 23:39:53 1999 patch:
9279 * loop.h (struct induction): Delete members derived, ix and last_use.
9280 (struct loop_ivs): Delete members first_increment_giv and
9282 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
9283 recombine_givs): Delete functions.
9284 (find_and_verify_loops): Don't initialize cont_dominator.
9285 (strength_reduce): Lose code to try to find bivs that can be
9286 expressed as givs of another biv, and to convert biv increments
9288 Lose loop_scan_start variable, always use loop->scan_start.
9289 Don't call recombine_givs. Don't handle derived givs.
9290 (record_giv): Don't initialize derived and last_use fields.
9291 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
9293 * unroll.c (derived_regs): Delete static variable.
9294 (unroll_loop): Don't initialize it.
9295 (copy_loop_body): Lose code to handle derived givs.
9296 (find_splittable_givs): Don't check for givs made from biv
9298 Don't set derived_regs.
9300 Fix misapplied earlier patch:
9301 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
9303 (floatsisf2): Generate floatsisf_ie by default.
9304 (floatsisf_i4): Conditional on TARGET_SH4.
9306 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
9307 predicate for the expanders.
9309 2000-09-19 Richard Henderson <rth@cygnus.com>
9311 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
9312 in addition to pentium and pentiumpro symbols.
9313 (CPP_CPU_DEFAULT_SPEC): Likewise.
9315 * c-typeck.c (c_expand_asm_operands): Restore the output tree
9318 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
9319 if the tree has side effects.
9320 (warn_if_unused_value): Do not warn about void constructs.
9322 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
9324 * unroll.c (copy_loop_body): Update LABEL_NUSES before
9325 calling invert_jump.
9327 2000-09-18 Geoff Keating <geoffk@cygnus.com>
9329 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
9332 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9334 * Makefile.in (c-common.o): Depend on diagnostic.h.
9336 * c-common.c: Include diagnostic.h.
9338 (status_warning): New function.
9339 (check_format_info, maybe_read_dollar_number, check_format_types,
9340 finish_dollar_format_checking, check_function_format): Accept a
9341 `status' parameter. All callers changed.
9343 * c-common.h (check_function_format): Accept a `status' parameter.
9345 * c-typeck.c: Update call to `check_function_format'.
9347 2000-09-18 Richard Henderson <rth@cygnus.com>
9349 * c-decl.c (c_expand_body): Call mark_varargs before
9350 expand_function_start.
9352 2000-09-18 Geoff Keating <geoffk@cygnus.com>
9354 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
9355 * config/rs6000/eabi-ci.asm: Likewise.
9357 2000-09-18 Richard Henderson <rth@cygnus.com>
9359 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
9362 2000-09-18 Jim Wilson <wilson@cygnus.com>
9364 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
9365 before passing it to fold_rtx_mult_add.
9367 * unroll.c (final_giv_value): Pass increment through
9368 extend_value_for_giv before passing it to emit_iv_add_mult.
9370 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
9371 paradoxical subreg, then directly substitute the replacement and
9374 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
9376 * cpp.texi: Update documentation, including some clarifications,
9377 the treatment of various newline combinations, and space between
9378 backslash and newline.
9380 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9382 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
9383 Replace ASM_OUTPUT_LABELREF with assemble_name.
9385 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
9387 * sh.c (addsubcosts): CONST is not cheap.
9388 (find_barrier): For Sh1, take alignment after jumps into account.
9390 2000-09-15 Andrew Haley <aph@redhat.com>
9392 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
9393 remove all SETs of SUBREGs of hard registers.
9394 * function.c (purge_hard_subreg_sets): New function.
9395 (purge_single_hard_subreg_set): New function.
9396 * rtl.h: (purge_hard_subreg_sets): New function.
9398 2000-09-18 Richard Henderson <rth@cygnus.com>
9400 * config/ia64/ia64-protos.h: Update.
9401 * config/ia64/ia64.c (signed_inequality_operator): New.
9402 (ia64_expand_compare): New.
9403 (ia64_register_move_cost): Handle PR_REGS moves.
9404 (ia64_secondary_reload_class): Require a GR when moving to a PR.
9405 (struct reg_write_state): Add written_by_and/or.
9406 (struct reg_flags): Add is_and/or.
9407 (rws_update): Set them.
9408 (rws_access_regno): Test them to allow parallel comparisons.
9409 (rtx_needs_barrier): Recognize parallel comparisons.
9410 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
9411 Call recog_memoized; ignore pred_rel_mutex.
9412 (emit_predicate_relation_info): Don't call find_basic_blocks here.
9413 (ia64_reorg): Do it here instead.
9414 * config/ia64/ia64.h: s/CCmode/BImode/g
9415 (MODES_TIEABLE_P): Don't tie BImode.
9416 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
9417 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
9418 (RTX_COSTS): Make multiply 4 insns.
9419 (MEMORY_MOVE_COST): New.
9420 (PREDICATE_CODES): Update.
9421 * config/ia64/ia64.md: s/CCmode/BImode/g
9422 (movcci, movbi): New.
9423 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
9424 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
9425 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
9426 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
9427 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
9428 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
9429 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
9430 (mulsi, muldi): Use xmpy not xma.
9432 (movcc, movcc_internal): Remove.
9433 (branch expanders): Use ia64_expand_compare.
9434 (setcc expanders): Likewise.
9435 (cmov insns): Use move_operand and ia64_move_ok.
9436 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
9437 scheduler from moving it past a use.
9438 * config/ia64/build.hacks: Remove.
9440 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
9442 * cpphash.h (HASHSTEP): Take character rather than pointer
9444 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
9446 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
9448 * cpplex.c (auto_expand_name_space, trigraph_replace,
9449 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
9450 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
9451 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
9452 KNOWN_DIRECTIVE): Delete.
9454 (handle_newline, check_long_token, skip_escaped_newlines,
9455 unterminated): New functions.
9456 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
9458 (parse_identifier): Was parse_name, new implementation.
9459 (skip_line_comment, skip_block_comment, skip_whitespace,
9460 parse_number, parse_string, trigraph_ok, save_comment,
9461 adjust_column, _cpp_get_line): New implementations.
9463 (lex_token): New function. Lexes a token at a time, looking
9464 forwards. Contains most of the guts of the old lex_line.
9465 (lex_line): New implementation, using lex_token to obtain
9467 (cpp_scan_buffer): Use the token's line, not the list's line.
9469 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
9470 New implementations.
9471 (do_assert): Don't bother setting the answer's list's line.
9472 (cpp_push_buffer): Initialise new pfile and read_ahead members
9473 of struct cpp_buffer.
9475 * cpplib.h (cppchar_t): New typedef.
9476 (struct cpp_buffer): read_ahead, pfile and col_adjust are
9478 (struct lexer_state): New structure that determines the state
9479 and behaviour of the lexer.
9480 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
9481 (struct cpp_reader): New member "state". Rename
9482 multiline_string_line and multiline_string_column. Delete
9483 col_adjust, in_lex_line members.
9484 (CPP_BUF_COLUMN): Update.
9486 2000-09-18 Richard Henderson <rth@cygnus.com>
9488 * combine.c (simplify_comparison): Shift a NOT out of a single
9491 * combine.c (if_then_else_cond): Canonicalize BImode true to
9493 * explow.c (trunc_int_for_mode): Likewise.
9495 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
9496 the NOT for De Morgan's rule.
9497 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
9498 of a comparison to the reverse comparison.
9500 * combine.c (try_combine): Allow split to create a single insn.
9502 * machmode.def: Add BImode. Add a column for bitsize.
9503 * machmode.h (DEF_MACHMODE): Adjust for extra column.
9504 (GET_MODE_BITSIZE): Use it.
9505 * rtl.c (DEF_MACHMODE): Adjust for extra column.
9506 (mode_bitsize): New.
9507 (mode_mask_array): Use bitsize.
9508 * combine.c (combine_simplify_rtx): Require inner and outer
9509 modes to match on nonzero_bits optimizations.
9511 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
9513 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
9514 its entry in spill_reg_store.
9515 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
9516 * sh.c (reg_no_subreg_operand): New function.
9517 * sh-protos.h (reg_no_subreg_operand): Declare it.
9518 * sh.h (PREDICATE_CODES): Add it.
9519 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
9520 input operand that needs to be in fpul.
9521 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
9522 * sh.c (find_barrier): Take into account that machine_dependent_reorg
9523 might add new insns.
9525 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
9527 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
9529 (sh_expand_epilogue): Take the PIC register into account when
9530 computing the frame size.
9532 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
9533 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
9534 LABEL_REFs with a PIC-safe unspec.
9536 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
9538 * c-common.c (check_format_info): Properly save the argument
9539 number and parameter for $ operand number formats in case width
9540 and precision arguments are also used. Allow printf width and
9541 precision arguments to have operand numbers even if none was
9542 specified for the main format, since this is OK for %*.*m. Only
9543 object to missing $ operand number if the format used requires an
9546 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
9548 * c-common.c (format_char_info): Add 'W' flag to comment.
9549 (print_char_table, scan_char_table): Use it.
9550 (check_format_info): Use the 'W' flag to determine whether a
9551 format argument is written into.
9553 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
9555 * c-common.c (check_format_types): Reorganise and clean up,
9556 checking earlier for ERROR_MARKs and making cur_type into its
9557 TYPE_MAIN_VARIANT where convenient.
9559 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
9561 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
9563 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
9565 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
9567 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
9568 * i386.c (struct builtin_description): New.
9569 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
9570 (mmx_reg_operand): Declare MODE arg as unused.
9571 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
9572 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
9573 ix86_expand_binop_builtin, ix86_expand_store_builtin,
9574 ix86_init_builtins, ix86_expand_builtin): New functions.
9575 * i386.h (ix86_builtins): New enumeration.
9576 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
9577 * i386.md (attr length_immediate): 0 for mmx/sse types.
9578 (attr prefix_0f): 1 for mmx/sse types.
9579 (setcc_2): Remove "*" so we get gen_setcc_2.
9580 (emms): Account for changed register numbering. Set "memory" attr
9582 (sfence): Set "memory" attr to unknown.
9584 2000-09-18 Andreas Jaeger <aj@suse.de>
9586 * configure.in: Define _GNU_SOURCE only when using the GNU C
9588 * configure: Regenerated.
9589 * config.in: Regenerated.
9591 2000-09-17 Mark Mitchell <mark@codesourcery.com>
9593 * cppinit.c (cpp_init): Don't use ANSI prototypes.
9594 * flow.c (flow_dump_loop): Likewise.
9595 (flow_loops_dump): Likewise.
9597 * c-typeck.c (c_start_case): Fix typo.
9599 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
9601 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
9602 to int for plain complex which defaults to complex double. Do
9603 warn about defaulting to complex double if pedantic. Warn about
9604 complex integer types if pedantic. Warn about complex types if
9605 pedantic and not in C99 mode.
9606 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
9607 for complex conjugation.
9609 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
9611 * contrib.texi: Update my entry.
9613 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
9615 * config/avr/avr.md (mcu_enhanced): New attribute.
9616 (mcu_mega): Likewise.
9617 (extendhisi2): Use mcu_enhanced.
9618 (zero_extendhisi2): Likewise.
9619 (call_insn): Use mcu_enhanced and mcu_mega.
9620 (call_value_insn): Likewise.
9621 (*sbrx_branch): Use mcu_mega.
9622 (*sbrx_and_branchsi): Likewise.
9623 (*sbrx_and_branchhi): Likewise.
9624 (*tablejump_lib): Likewise.
9626 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9628 * alias.c (true_dependence): Allow non-unchanging read to conflict
9629 with unchanging write.
9631 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
9632 (store_constructor): Pass alias_set to it.
9634 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
9635 TYPE_MAIN_VARIANT of ERROR_MARK.
9636 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
9638 * simplify-rtx.c (simplify_unary_operation): Add cases
9639 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
9641 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
9643 * expr.h (emit_library_call, emit_library_call_value): Delete
9645 * rtl.h (enum libcall_type): New.
9646 (emit_library_call, emit_library_call_value): Change fn_type arg to
9647 be of type enum libcall_type.
9648 * calls.c: Likewise for the function definitions. Several callers
9649 throughout changed to use the new enumeration appropriately.
9650 (emit_library_call_value_1): Likewise. Put back code to make libcall
9651 blocks of equal form, but only use it for the two new higher
9654 2000-09-16 Mark Mitchell <mark@codesourcery.com>
9656 Convert the C front-end to use function-at-a-time mode.
9657 * c-common.h: Include splay-tree.h.
9658 (C_DECLARED_LABEL_FLAG): New macro.
9659 (struct language_function): Add x_scope_stmt_stack and
9660 x_function_name_declared_p.
9661 (RECHAIN_STMTS): Move definition.
9662 (lang_statment_code_p): Likewise.
9663 (lang_expand_stmt): Likewise.
9664 (lang_expand_decl_stmt): New variable.
9665 (lang_expand_function_end): Likewise.
9666 (current_scope_stmt_stack): New function.
9667 (add_decl_stmt): Likewise.
9668 (add_scope_stmt): Likewise.
9669 (mark_stmt_tree): Likewise.
9670 (struct c_lang_decl): New structure.
9671 (DECL_SAVED_TREE): Define.
9672 (c_mark_lang_decl): New function.
9673 (c_expand_start_cond): Change prototype.
9674 (c_finish_then): New function.
9675 (c_finish_else): Likewise.
9676 (current_function_name_declared): Remove.
9677 (set_current_function_name_declared): Likewise.
9678 (mark_c_language_function): Declare.
9679 (case_compare): Likewise.
9680 (c_add_case_label): Likewise.
9681 (c_expand_expr): Likewise.
9682 (c_safe_from_p): Likewise.
9683 * c-common.c (lang_expand_function_end): New variable.
9684 (struct if_elt): Add if_stmt.
9685 (c_expand_start_cond): Add the if-statement to the statement-tree,
9686 rather than generating RTL.
9687 (c_finish_then): New function.
9688 (c_expand_start_else): Don't generate RTL.
9689 (c_finish_else): New function.
9690 (c_expand_expr_stmt): Don't generate RTL.
9691 (statement_code_p): Add SCOPE_STMT.
9692 (case_compare): New function.
9693 (c_add_case_label): Likewise.
9694 (mark_stmt_tree): Likewise.
9695 (c_mark_lang_decl): Likewise.
9696 (mark_c_language_function): Likewise.
9697 (c_expand_expr): Likewise.
9698 (c_safe_from_p): Likewise.
9699 * c-decl.c (c_stmt_tree): New variable
9700 (c_scope_stmt_stack): Likewise.
9701 (c_function_name_declared_p): Likewise.
9702 (lang_expand_expr_stmt): Remove.
9703 (poplevel): Don't call output_inline_function for nested
9705 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
9707 (redeclaration_error_message): Change means of computing whether
9708 or not a function is nested.
9709 (lookup_label): Don't call label_rtx.
9710 (init_decl_processing): Add more GC roots.
9711 (start_decl): Add DECL_STMTs to the statement-tree, rather than
9712 calling rest_of_decl_compilation.
9713 (finish_decl): Don't call expand_decl.
9714 (store_parm_decls): Begin the statement-tree, but don't generate
9716 (finish_function): Tie off the statement-tree. Call c_expand_body
9718 (c_expand_body): New function.
9719 (push_c_function_context): Save more information.
9720 (pop_c_function_contxt): Likewise.
9721 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
9722 (lang_mark_tree): Mark it.
9723 (current_stmt_tree): Adjust.
9724 (current_scope_stmt_stack): New function.
9726 (set_current_name_declared): Likewise.
9727 (c_begin_compound_stmt): Define.
9728 (c_expand_decl_stmt): Likewise.
9729 * c-lang.c: Include rtl.h and expr.h.
9730 (lang_init): Set more language-specific hooks.
9731 * c-lex.c: Include expr.h.
9732 * c-parse.in: Changes throughout to add statements to the
9733 statement-tree, rather than generating RTL after every statement.
9734 * c-semantics.c (lang_expand_decl_stmt): Define.
9735 (add_decl_stmt): New function.
9736 (add_scope_stmt): Likewise.
9737 (finish_stmt_tree): Tweak.
9738 (genrtl_expr_stmt): Likewise.
9739 (genrtl_decl_stmt): Handle local labels, and call
9740 lang_expand_decl_stmt if required.
9741 (genrtl_for_stmt): Fix line-number handling.
9742 (genrtl_case_label): Handle cleanups.
9743 (genrtl_asm_stmt): Don't call combine_strings.
9744 (genrtl_compound_stmt): Simplify.
9745 (expand_stmt): Handle SCOPE_STMTs.
9746 * c-tree.h (struct lang_decl): New structure.
9747 (C_DECLARED_LABEL_FLAG): Remove.
9748 (c_begin_compound_stmt): Declare.
9749 (c_expand_decl_stmt): Likewise.
9750 (c_expand_start_case): Rename to c_start_case.
9751 (c_finish_case): New function.
9752 * c-typeck.c (start_init): Tweak setting of
9753 constructor_incremental.
9754 (c_expand_asm_operands): Tweak error-handling. Add to the
9756 (c_expand_return): Add to the statement-tree.
9757 (c_expand_start_case): Rename to ...
9758 (c_start_case): ... this.
9759 (struct c_switch): New type.
9760 (switch_stack): New variable.
9761 (do_case): Simplify.
9762 (c_finish_case): New function.
9763 * dependence.c: Include expr.h.
9764 (enum dependence_type): Change spelling of enumerals.
9765 (check_node_dependence): Adjust.
9766 * expr.h (lang_safe_from_p): Declare.
9767 (safe_from_p): Likewise.
9768 * expr.c (lang_safe_from_p): New variable.
9769 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
9770 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
9771 * toplev.c (rest_of_decl_compilation): Robustify.
9772 * tree.c (contains_placeholder_p): Likewise.
9773 * Makefile.in: Update dependencies.
9774 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
9775 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
9776 (objc_expand_function_end): New function.
9777 (finish_method_def): Use it.
9778 (init_objc): Initialize more language-specific hooks.
9779 * objc/Make-lang.in: Update dependencies.
9781 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
9783 * configure.in: Define macros that affect features before
9784 testing for features. Don't define _XOPEN_SOURCE.
9785 * configure: Regenerated.
9786 * config.in: Regenerated.
9788 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
9790 * rtlanal.c (rtx_varies_p): Volatile asms vary.
9791 (rtx_unstable_p): Restructure code. Volatile asms
9794 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9796 * function.h (no_debugging_symbols): New field.
9797 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
9798 Initialize no_debugging_symbols.
9799 (output_inline_function): Save and restore write_symbols and set from
9800 no_debugging_symbols.
9801 * toplev.c (rest_of_compilation): Call save_for_inline.
9802 * tree.h: Update comment.
9804 * stor-layout.c (place_field): Don't do anything if field or
9805 its type are ERROR_MARK.
9807 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
9809 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
9810 (read_include_file): Ensure inc->mmaped is initialized.
9812 2000-09-16 Richard Henderson <rth@cygnus.com>
9814 * cppiles.c (purge_cache): Use PTR not caddr_t.
9816 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
9818 * gcc.c: In description for %{<S}, say the option removed is -S.
9819 * invoke.texi (Spec Files): Ditto.
9821 2000-09-16 Andreas Jaeger <aj@suse.de>
9823 * configure.in: Always define _GNU_SOURCE to make interfaces
9824 visible that were hidden by only defining _GNU_SOURCE.
9825 * configure: Regenerated.
9827 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
9829 * cpplex.c (push_macro_context): Set an argument's level after
9830 calling parse_args. We could loop infinitely otherwise.
9832 2000-09-15 Tom Tromey <tromey@cygnus.com>
9834 * configure, config.in: Rebuilt.
9835 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
9837 2000-09-15 Greg McGary <greg@mcgary.org>
9839 * cppmacro.c (check_trad_stringification): Check token
9840 text pointers against limit before dereferencing.
9842 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
9844 * c-common.c (format_wanted_type): New structure.
9845 (check_format_types): New function.
9846 (check_format_info): Pass all checking of types of format
9847 arguments, including width and precision arguments, to this new
9850 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9852 * BUGS: Remove file.
9854 2000-09-15 Jakub Jelinek <jakub@redhat.com>
9856 * config/alpha/alpha.c (override_options): ev6 cache latencies
9857 from Richard Henderson. Don't allow -mmemory-latency=L0.
9859 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
9860 (TARGET_OPTIONS): Add tune=.
9861 (alpha_tune_string): Declare.
9862 * config/alpha/alpha.c (override_options): Add cpu_table.
9863 Use alpha_cpu_string first to set both alpha_cpu and target_flags
9864 and then alpha_tune_string to set alpha_cpu only.
9865 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
9866 * config/alpha/elf.h (ASM_FILE_START): Likewise.
9867 * config/alpha/osf.h (ASM_FILE_START): Likewise.
9868 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
9870 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
9872 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
9874 (ix86_comparison_operator, ix86_cc_mode): Declare
9875 * i386.h (CCGC, CCGCO): New modes.
9876 (SELECT_CC_MODE): Move offline to ....
9877 * i386.c (ix86_cc_mode): .... here; use new modes.
9878 (ix86_comparison_operator): New.
9879 (fcmov_comparison_operator): Ensure proper mode.
9880 (put_condition_mode): More sanity checking.
9881 (ix86_match_ccmode): Handle new modes.
9882 (ix86_expand_fp_compare): GEU requires CCmode.
9883 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
9885 * i386.md (cmp?i_ccz_1): Remove
9886 (cmp?i_ccno_1): Use ix86_match_ccmode.
9887 (cmp?i_minus_1): New.
9888 (cmpsi_1): New expander.
9889 (cmpqi_ext_1): Use match_ccmode
9890 (cmpqi_ext_3): New expander.
9891 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
9892 (cmpqi_ext_4): Use match_ccmode.
9893 (add?i_?): Use match_ccmode.
9895 (test?i_ccz_1): Remove
9897 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
9898 (testqi_ext_0): Use ix86_match_ccmode.
9899 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
9900 (xorqi_cc_ext_1): New expander.
9901 (shift patterns): Use CCGOCmode for all shifts except for sar.
9902 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
9903 (setcc_3, jcc_3, miv?icc_c): Remove.
9905 2000-09-15 Will Cohen <wcohen@redhat.com>
9907 * dwarf2out.c (add_const_value_attribute): Changed array into a
9908 xmalloced object, so it exists after function exit.
9909 (free_AT): Added case for dw_val_class_float to free allocated
9912 2000-09-15 Kazu Hirata <kazu@hxi.com>
9914 * config/i386/i386.md: Fix a comment typo.
9915 * gcc.c: Fix formatting.
9917 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
9919 * optabs.c (emit_libcall_block): If target is a user variable,
9920 copy to a temporary first.
9921 * expr.c (convert_move): When generating a libcall, make a libcall
9923 * calls.c (emit_library_call_value_1): Don't create a libcall
9924 sequence here; our caller will in most cases do it.
9926 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
9928 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
9929 * sh.md (reload_outsf): Generate recognizable patterns for
9931 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
9932 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
9933 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
9934 truncdfsf2_i4): Change not to use explicit references to fpul.
9935 (floatsisf2_ie): Remove USE of fpscr.
9936 (floatsisf2): Change default expansion to match this.
9937 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
9940 2000-09-15 Richard Henderson <rth@cygnus.com>
9942 * expmed.c (store_bit_field): Consider naturally aligned
9943 memory for direct reference.
9945 2000-09-15 Richard Henderson <rth@cygnus.com>
9947 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
9948 AND addresses into alias set 0.
9949 (alpha_expand_unaligned_store): Likewise.
9950 (alpha_expand_unaligned_load_words): Likewise.
9951 (alpha_expand_unaligned_store_words): Likewise.
9953 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
9955 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
9956 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
9958 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
9959 rsize of UNITS_PER_WORD.
9961 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
9963 * cpplex.c (ON_REST_ARG): Correct the test.
9964 (maybe_paste_with_next): Duplicate a token that fail pasting,
9965 and clear its PASTE_LEFT flag, so that nested pasting attempts
9968 2000-09-14 Richard Henderson <rth@cygnus.com>
9970 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
9971 * cse.c (rtx_cost): Likewise.
9972 * optabls.c (expand_binop): Likewise.
9973 (expand_twoval_binop, prepare_cmp_insn): Likewise.
9974 * regclass.c (copy_cost): Likewise.
9975 * reload1.c (reload_cse_move2add): Likewise.
9977 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
9979 * c-parse.in (reswords): Add _Complex.
9981 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9983 * gcc.1: Delete documentation for -undef preprocessor option.
9985 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
9987 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
9988 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
9989 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9990 Remove undefine before config/elfos.h.
9991 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
9993 2000-09-14 Kazu Hirata <kazu@hxi.com>
9995 * invoke.texi (H8/300 Options): Add -ms2600.
9996 * config/h8300.c (h8300_init_once): Output an error when -ms2600
9997 is used without -ms.
9998 * config/h8300.h (TARGET_MAC): New.
9999 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
10000 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
10001 machine other than H8/S2600.
10002 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
10005 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
10007 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
10008 pseudos that refer to the original pseudos, not only to their
10009 equivalent memory locations.
10011 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10013 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
10014 when making new MEM.
10016 * Makefile.in (LN): Remove duplicate definition.
10018 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
10020 From Joern Rennecke:
10021 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
10022 on an insn and function_invariant_p returns nonzero for the source,
10023 add a REG_EQUAL note.
10025 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
10027 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
10028 conflict with frame_pointer_rtx.
10030 2000-09-13 Kazu Hirata <kazu@hxi.com>
10032 * loop.c: Fix formatting.
10033 * loop.h: Likewise.
10035 2000-09-13 Richard Henderson <rth@cygnus.com>
10037 * config/ia64/ia64.md (divsf3): New.
10038 (divsf3_internal_lat, divsf3_internal_thr): New.
10039 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
10040 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
10041 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
10042 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
10043 (nmadddf4_alts, nmadddf4_trunc): New.
10044 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
10045 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
10046 (multf3_truncsf_alts, multf3_truncdf_alts): New.
10047 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
10048 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
10049 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
10050 (nmaddtf4_truncdf_alts): New.
10051 (recip_approx): Don't predicate.
10053 2000-09-13 Richard Henderson <rth@cygnus.com>
10055 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
10057 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10059 * flags.h (flag_dump_rtl_in_asm): Declare.
10060 * toplev.c (flag_dump_rtl_in_asm): Define.
10061 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
10062 if -dP is specified.
10063 * rtl.h (print_rtx_head): Declare.
10064 * print-rtl.c (print_rtx_head): Define.
10065 (print_rtx): Print the string pointed to by print_rtx_head
10066 at beginning of each dump line.
10067 (print_rtl): Likewise.
10068 (print_rtl_single): Likewise.
10069 * final.c (final_scan_insn): Dump the insn in the assembly
10070 file for debugging.
10071 * gcc.1: Document -dP option.
10072 * invoke.texi (Debugging Options): Likewise.
10074 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10076 * md.texi (Machine Constraints): Document the 68HC11 constraints.
10077 * install.texi (Configurations): Document the 68HC11&68HC12 port.
10078 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
10080 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
10082 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
10083 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
10084 (*clrstrqi): Likewise.
10085 (xorhi3,xorsi3,absqi2): Likewise.
10086 (one_cmplhi2,one_cmplsi2): Likewise.
10087 (addsi3): Two stupid constraint alternatives removed.
10088 (extendhisi2): Use `movw' for enhanced avr cores.
10089 (zero_extendhisi2): Likewise.
10091 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
10093 * alias.c (find_base_term): Use frame_pointer_rtx
10094 when handling an ADDRESSOF.
10096 * cse.c (canon_hash): Handle USE of BLKmode memory.
10097 (cse_insn): Outgoing arguments for a libcall don't
10098 affect any recorded expressions.
10100 2000-09-12 Tom Tromey <tromey@cygnus.com>
10102 * configure, config.in: Rebuilt.
10103 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
10105 2000-09-12 Jakub Jelinek <jakub@redhat.com>
10107 * c-lex.c (lex_string): Use charwidth to compute bytemask.
10108 * expr.c (expand_expr): Don't optimize constant array references
10109 initialized with wide string constants.
10111 2000-09-13 Michael Hayes <mhayes@cygnus.com>
10113 * loop.c (note_set_pseudo_multiple_uses): Correct.
10115 2000-09-12 Jim Wilson <wilson@cygnus.com>
10117 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
10118 else block, and X has side-effects, then fail.
10120 2000-09-12 Greg McGary <greg@mcgary.org>
10122 * config/mips/mips-protos.h
10123 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
10124 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
10125 (PREDICATE_CODES): Add "trap_cmp_op".
10126 * config/mips/mips.c
10127 (trap_cmp_op, mips_gen_conditional_trap): New functions.
10128 * config/mips/mips.md (trap, conditional_trap): New patterns.
10130 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
10132 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
10135 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10137 * builtins.c (built_in_decls): New array.
10138 (expand_builtin_fputs): New function.
10139 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
10141 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
10143 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
10145 * tree.h (built_in_decls): New array.
10147 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
10149 * convex.md: Use "+" instead of "=" for outputs wrapped in a
10151 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
10153 2000-09-12 Kazu Hirata <kazu@hxi.com>
10155 * haifa-sched.c: Fix formatting.
10157 * genattrtab.c: Fix formatting.
10159 * unroll.c: Fix formatting.
10161 2000-09-12 Bruce Korb <bkorb@gnu.org>
10163 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
10164 remove obsolete code
10165 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
10166 * fixinc/fixincl.tpl: make non-exported arrays static scope
10167 * fixinc/fixincl.x: regenerate
10168 * fixinc/fixlib.h: Use PARAMS, not _P_
10169 * fixinc/fixtests.c: make a type for the test proc & use it
10170 * fixinc/server.h: Use PARAMS, not _P_
10172 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10174 * c-typeck.c (process_init_element): Avoid union init warnings on
10175 floating point zero. Don't crash on unions containing structs.
10177 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
10179 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
10180 general_movsrc_operand, and remove CONST_INT from
10181 general_movdst_operand.
10183 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
10185 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
10186 if a reference to non-fixed hardreg is seen. Otherwise, count hard
10187 regs with a higher cost.
10188 (preferrable): Deal with cases where either cost or regcost is
10190 (cse_insn): Use MAX_COST rather than 10000. Always initialize
10192 (COSTS_N_INSNS): Move definition...
10194 (MAX_COST): New macro.
10195 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
10198 2000-09-11 Mark Mitchell <mark@codesourcery.com>
10200 * c-common.h (genrtl_clear_out_block): Remove.
10201 * c-semantics.c (genrtl_clear_out_block): Remove.
10202 (genrtl_while_stmt): Don't call it.
10203 (genrtl_for_stmt): Likewise.
10205 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
10207 * cppfiles.c: Move all default-#defines to top of file.
10208 (open_include_file): Replace by lookup_include_file.
10209 (read_with_read, read_file): Merged into read_include_file.
10210 (stack_include_file, purge_cache): New functions.
10211 (close_cached_fd): Delete.
10212 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
10213 Cache the in-memory buffer, not the file descriptor.
10215 * cpphash.h (struct include_file): Add buffer, st, refcnt,
10217 (xcnew): New utility macro.
10218 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
10219 * cpplib.h (struct cpp_buffer): Remove mapped field.
10221 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
10223 * cpplex.c (parse_string): Accept backslash space newline as a
10225 (lex_line): Likewise.
10226 (_cpp_get_token): Remove hard limit on macro nesting.
10228 2000-09-12 Philipp Thomas <pthomas@suse.de>
10230 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
10231 * configure: Rebuilt.
10233 2000-09-13 Michael Hayes <mhayes@cygnus.com>
10235 * flow.c (split_block): Fix update of registers live at
10236 end of split block.
10238 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
10240 * i386.md (add?i_3, add?i_5): New.
10241 (add?i_4): Rename from add?i_3; Fix compare pattern.
10242 (sub?i_3, xor?i_3, ior?i_3): New.
10244 * genrecog.c (write_tree): Output code to clear insn_extract cache.
10245 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
10246 instead of extract_insn and extract_constrain_insn_cache instead of
10247 extract_insn and constrain_operands.
10248 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
10250 (extract_insn): Clear which_alternative.
10251 (constrain_operands): Set which_alternative to -1 when failed.
10252 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
10255 2000-09-11 Matthew Hiller <hiller@redhat.com>
10257 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
10258 on operand 0 to '+'.
10259 (movstricthi): Likewise.
10261 2000-09-12 Michael Hayes <mhayes@cygnus.com>
10263 * loop.h (LOOP_IVS): New macro.
10264 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
10265 (struct loop_ivs): New.
10266 (struct loop_info): Add ivs field.
10267 (reg_iv_type, reg_iv_info): Delete prototype.
10268 (reg_biv_class, loop_iv_list): Likewise.
10269 * loop.c (record_biv, find_life_end): Pass loop argument.
10270 (reg_iv_type): Remove global array and use
10271 field in loop_regs structure within loop_ivs structure.
10272 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
10273 (first_increment_giv, last_increment_giv): Use entry in
10274 loop_ivs structure.
10275 (record_initial): Pass ivs pointer.
10276 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
10278 2000-09-12 Michael Hayes <mhayes@cygnus.com>
10280 * loop.h (LOOP_REGS): New macro.
10281 (struct loop_regs): New.
10282 (struct loop_info): Add regs field.
10283 * loop.c (set_in_loop): Remove global array and store
10284 in loop_regs structure as part of loop_info structure.
10285 (n_times_set, may_not_optimize): Likewise.
10286 (reg_single_usage, moved_once): Likewise.
10287 (count_one_set): Add regs argument.
10288 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
10289 (set_pseudo_multiple_uses): Pass regs pointer.
10291 2000-09-12 Michael Hayes <mhayes@cygnus.com>
10293 * unroll.c (iteration_info): Subsume into loop_iterations.
10294 * loop.h (loop_info): New field iv.
10296 2000-09-12 Michael Hayes <mhayes@cygnus.com>
10298 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
10299 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
10300 (flow_loops_update): New prototype.
10301 (flow_loops_find): Add flags to prototype.
10302 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
10303 * flow.c (flow_loop_pre_header_scan): New.
10304 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
10305 (flow_loop_free): Free pre-header root and trace and exit dominators.
10306 (flow_loops_find): New argument flags.
10307 (flow_loops_update): New function.
10308 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
10310 2000-09-12 Michael Hayes <mhayes@cygnus.com>
10312 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
10313 * flow.c (split_block, update_bb_for_insn): New functions.
10315 2000-09-11 Richard Henderson <rth@cygnus.com>
10317 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
10319 2000-09-11 Richard Henderson <rth@cygnus.com>
10321 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
10322 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
10323 (ia64_override_options): Prevent optimizing division for both
10324 latency and throughput.
10325 (rtx_needs_barrier): Handle frcpa.
10326 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
10327 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
10328 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
10329 (TARGET_SWITCHES): Add -minline-divide-min-latency and
10330 -minline-divide-max-throughput.
10331 (PREDICATE_CODES): Update.
10332 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
10333 (zero_extendsidi2): Likewise. Fix typo in f case insn.
10334 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
10335 (extendsftf2): Likewise.
10336 (extenddftf2): Likewise.
10337 (fix_trunctfdi2_alts): New.
10338 (fixuns_trunctfdi2_alts): New.
10339 (madd*4): Rename from madd*3.
10340 (divsi3, modsi3, udivsi3, umodsi3): New.
10341 (divsi3_internal): New.
10342 (divdi3, moddi3, udivdi3, umoddi3): New.
10343 (divdi3_internal_lat, divdi3_internal_thr): New.
10344 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
10345 (recip_approx): New.
10347 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
10349 * print-rtl.c (debug_call_placeholder_verbose): New variable.
10350 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
10352 * integrate.c (copy_rtx_and_substitute): Don't share
10353 LEAF_REG_REMAPpable registers with the inlined function. Don't
10354 share the function value with calling sequences.
10356 2000-09-11 Jakub Jelinek <jakub@redhat.com>
10358 * c-decl.c (do_case): Fix a typo.
10360 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
10361 to a if the comparison is floating mode and not -ffast-math.
10362 * simplify-rtx.c (simplify_ternary_operation): Likewise.
10364 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
10366 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
10367 gen_ic_invalidate_line.
10369 2000-09-11 Philip Blundell <pb@futuretv.com>
10371 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
10373 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
10375 * install.texi (LANGUAGES): Update to include new languages.
10376 * INSTALL: Rebuilt.
10378 2000-09-11 DJ Delorie <dj@redhat.com>
10380 * gcc.c (main): Don't warn about unused -B prefixes
10381 (unused_prefix_warnings): remove
10383 2000-09-11 Kazu Hirata <kazu@hxi.com>
10385 * final.c: Fix formatting.
10387 * integrate.c: Fix formatting.
10389 2000-09-11 Geoff Keating <geoffk@cygnus.com>
10391 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
10393 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
10395 * reload.c (regno_clobbered_p): Fix thinko in previous change.
10397 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10399 * gcc.1: Document 68hc11 specific options.
10401 2000-09-10 Geoff Keating <geoffk@cygnus.com>
10403 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
10404 (TARGET_LONG_DOUBLE_128): Define.
10405 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
10406 (LONG_DOUBLE_TYPE_SIZE): Redefine.
10407 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10408 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
10409 of __LONG_DOUBLE_128__.
10410 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
10412 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
10413 (CPP_SYSV_DEFAULT_SPEC): Define.
10414 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
10415 (INIT_TARGET_OPTABS): Define.
10417 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
10418 (RS6000_UITRUNC): Likewise.
10419 (INIT_TARGET_OPTABS): New macro.
10420 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
10421 (trunc_defined): Delete.
10422 (output_prolog): Don't output .extern definitions for fp->int
10423 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
10424 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
10425 (trunc_defined): Delete.
10426 (RS6000_ITRUNC): Moved to aix.h.
10427 (RS6000_UITRUNC): Likewise.
10428 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
10429 only emit a libcall.
10430 (fixuns_truncdfsi2): Delete.
10431 (trunc_call): Delete.
10432 (trunc_call_rtl): Delete.
10434 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
10436 * varasm.c (make_decl_rtl): Restore leading star on
10437 DECL_ASSEMBLER_NAME set for decls with an asmspec.
10439 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
10441 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
10442 won't give a spurious error for '#pragma pack()'. Simplify
10443 control flow for readability. 'reset' action is not necessary.
10445 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
10447 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
10448 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
10449 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
10450 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
10452 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
10453 profile.c, sdbout.c, tradcif.y, tree.c:
10454 Include defaults.h if not already included.
10455 Don't define the above macros.
10457 * Makefile.in: Update dependencies.
10459 2000-09-10 Mark Mitchell <mark@codesourcery.com>
10461 * c-common.h (add_stmt): Change prototype.
10462 (RECHAIN_STMTS): New macro.
10463 (CASE_LABEL_DECL): Likewise.
10464 (genrtl_case_label): Change prototype.
10465 (c_expand_start_case): Remove prototype.
10466 (build_case_label): Change prototype.
10467 (decl_constant_value): Declare.
10468 * c-common.c (check_case_value): Handle C++'s extensions to C
10470 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
10472 * c-parse.in (stmt): Adjust handling of return statements and case
10474 * c-semantics.c (add_stmt): Return the new statement.
10475 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
10476 returned expression. Directly generate RTL, rather than calling
10478 (genrtl_switch_stmt): Don't call c_expand_start_case.
10479 (build_case_label): Take the LABEL_DECL as input, too.
10480 (genrtl_case_label): Just call add_case_node.
10481 (expand_stmt): Adjust calls to genrtl_return_stmt and
10483 * c-tree.h (c_expand_start_case): Declare.
10484 * c-typeck.c (decl_constant_value): Give it external linkage.
10485 (c_expand_return): Don't call expand_return or expand_null_return;
10486 use genrtl_return_stmt instead.
10487 * stmt.c (struct nesting): Remove num_ranges field.
10488 (add_case_node): Give it external linkage.
10489 (expand_start_case): Don't set num_ranges.
10490 (expand_start_case_dummy): Don't clear it.
10491 (pushcase): Rely on add_case_node to handle `default' labels.
10492 (add_case_node): Handle `default' labels.
10493 * tree.c (tree_int_cst_compare): New function.
10494 * tree.h (tree_int_cst_compare): Declare.
10495 (add_case_node): Likewise.
10497 2000-09-10 Richard Henderson <rth@cygnus.com>
10499 * c-parse.in: Revert last change.
10500 (init_reswords): Do not enter disabled keywords into the ridpointers
10501 table, modulo objc weirdness.
10502 (_yylex): Return the canonical spelling for a keyword.
10504 2000-09-10 Philip Blundell <philb@gnu.org>
10506 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
10507 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
10509 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
10511 * alias.c (find_base_term): Handle ADDRESSOF.
10512 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
10514 2000-09-10 Denis Chertykov <denisc@overta.ru>
10516 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
10517 outputting templates with many lines.
10519 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10521 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
10522 to decide whether 64-bit support must be generated.
10524 2000-09-10 Richard Henderson <rth@cygnus.com>
10526 * c-parse.in (asm patterns): Fix volatile check.
10528 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10530 * cppmacro.c (check_trad_stringification): New function.
10531 (save_expansion): If -Wtraditional, warn about stringification of
10534 2000-09-11 Michael Hayes <mhayes@cygnus.com>
10536 * loop.h (struct loop_mem_info): Move from loop.c
10537 (struct loop_info): Add fields store_mems, mems, mems_idx,
10538 mems_allocated, unknown_address_altered,
10539 unknown_constant_address_altered, num_mem_sets, and
10540 first_loop_store_insn.
10542 * loop.c (loop_store_mems): Replace with field in loop_info struct.
10543 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
10544 (unknown_address_altered, unknown_constant_address_altered): Likewise.
10545 (num_mem_sets): Likewise.
10546 (replace_loop_mems, replace_loop_regs): New.
10547 (struct loop_replace_args): New.
10548 (load_mems): Use replace_loop_mems.
10549 (try_copy_prop): Use replace_loop_regs.
10550 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
10552 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10554 * configure.in: Recognize m6811-elf and m6812-elf.
10555 * configure: Regenerate.
10557 2000-09-09 Geoff Keating <geoffk@cygnus.com>
10559 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
10560 to operand_subword.
10562 2000-09-10 Michael Hayes <mhayes@cygnus.com>
10564 * loop.c (struct movables): New.
10565 (num_movables): Move into struct movables.
10566 (the_movables): Change type to struct movables.
10567 (ignore_some_movables): Change struct movable arg to struct movables.
10568 (force_movables, combine_movables, regs_match_p): Likewise.
10569 (rtx_equal_for_loop_p, move_movables): Likewise.
10570 (scan_loop): Change movables to be of type struct movables.
10571 Replace last_movable with field in movables structure.
10573 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
10575 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
10576 (init_pragma): Avoid warning if pfile happens to be unused.
10577 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
10578 define init_pragma to nothing. Always prototype
10579 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
10581 * c-lex.c (process_directive): Always call dispatch_pragma.
10582 Initialize entering_c_header to 0.
10584 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10586 * config/m68hc11/m68hc11.md: New file, machine description for
10588 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
10589 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
10590 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
10591 * config/m68hc11/m68hc11-protos.h: New file.
10592 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
10593 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
10594 * config/m68hc11/xm-m68hc11.h: New file, target defs.
10595 * config/m68hc11/larith.asm: New file, libgcc routines.
10597 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10599 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
10600 (FPBIT_FUNCS): Add _usi_to_sf.
10601 * config/fp-bit.c (usi_to_float): New function.
10602 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
10603 (usi_to_float): Add appropriate #define.
10605 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
10607 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
10609 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
10610 * i386.md (attr "type"): Add sse and mmx types.
10611 (attr "memory"): Handle them without a crash.
10612 (movsi_1, movdi_2): Allow MMX regs.
10613 (movdi splits): Don't split moves involving MMX regs.
10614 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
10615 (movv4sf_internal, movv4si_internal, movv8qi_internal,
10616 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
10617 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
10618 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
10619 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
10620 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
10621 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
10622 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
10623 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
10624 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
10625 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
10626 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
10627 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
10628 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
10629 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
10630 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
10631 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
10632 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
10633 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
10634 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
10635 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
10636 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
10637 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
10638 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
10639 mmx_clrdi): New patterns.
10641 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
10643 * arm.c: Don't include tm.h directly.
10645 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
10647 * recog.c (validate_replace_rtx_1): Fix confusion about equality
10648 testing; simplify subregs of constants and nested subregs.
10650 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
10652 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
10654 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
10656 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
10658 * rtl.texi (description of USE): Add note about possible pitfalls
10660 From Richard Henderson:
10661 * reload1.c (choose_reload_regs): Compute need_mode properly.
10663 2000-09-07 Richard Henderson <rth@cygnus.com>
10665 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
10666 (__modsi3, __umodsi3): Likewise.
10667 (__udivsi3): Likewise. Normalize the TFmode values.
10669 2000-09-07 Geoff Keating <geoffk@cygnus.com>
10671 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
10673 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
10676 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
10678 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
10679 (cmpeqdi_t): Add output pattern.
10680 (cmpeqdi_t+1): Don't split when not optimizing.
10681 Restore proper splitting operation.
10683 2000-09-07 Richard Henderson <rth@cygnus.com>
10685 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
10686 do not call dispatch_pragma.
10688 2000-09-07 Jim Wilson <wilson@cygnus.com>
10690 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
10691 to CLASS_CANNOT_CHANGE_MODE.
10692 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
10693 mode classes are different.
10695 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
10697 * cpplib.h (struct cpp_options): Add user_label_prefix member,
10698 left out of commit which removed cppulp.c.
10700 2000-09-07 Richard Henderson <rth@cygnus.com>
10702 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
10703 after switch for CASE_DROPS_THROUGH.
10705 2000-09-07 Richard Henderson <rth@cygnus.com>
10707 * loop.c (strength_reduce): Call check_ext_dependant_givs.
10708 Properly extend the biv initial value for the giv.
10709 (record_biv): Zero ext_dependant.
10710 (record_giv): New argument ext_val. Update all callers.
10711 (general_induction_var): Likewise.
10712 (consec_sets_giv): Likewise.
10713 (simplify_giv_expr): Likewise. Fill in ext_val if we find
10714 a sign-extend, zero-extend, or truncate.
10715 (combine_givs_p): Make sure modes are compatible.
10716 (check_ext_dependant_givs): New.
10717 (extend_value_for_giv): New.
10718 * loop.h (struct induction): Add ext_dependant.
10719 * unroll.c (iteration_info): Extend the biv initial value for the giv.
10720 (find_splittable_givs): Likewise.
10721 (final_giv_value): Likewise.
10723 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
10725 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
10726 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
10727 definitions from cpplib.h.
10728 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
10730 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
10731 documentation for REGISTER_TARGET_PRAGMAS.
10733 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
10734 default-pragma callback to implement -Wunknown-pragmas if
10736 * c-parse.in: Move all includes to top of file.
10737 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
10739 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
10741 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
10743 * arm.h, arm-protos.h, arm.c,
10744 c4x.h, c4x-protos.h, c4x.c,
10745 h8300.h, h8300-protos.h, h8300.c,
10746 i370.h, i370-protos.h, i370.c,
10747 i960.h, i960-protos.h, i960.c,
10748 sh.h, sh-protos.h, sh.c,
10749 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
10750 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
10752 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
10753 multiple include guard.
10754 * i370.md (untyped_call): Use GEN_CALL.
10755 (umodsi3): Remove unused variable.
10756 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
10757 * v850.c (output_move_single, output_move_double): Constify
10759 (print_operand): Constify a char *.
10760 * v850.h (struct small_memory_info): Constify name member.
10762 2000-09-07 Kazu Hirata <kazu@hxi.com>
10764 * config/h8300.h: Fix comment typos.
10765 * config/h8300/h8300.md: Likewise.
10766 * config/h8300/lib1funcs.asm: Likewise.
10768 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
10770 * Makefile.in: Remove references to cppulp.{c,o}.
10771 * cppinit.c (initialize_builtins, cpp_start_read,
10772 cpp_handle_option): Update to use cpp_options structure.
10773 * cppulp.c: Remove.
10775 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
10777 * c-common.c (time_char_table): Allow %#b and %#h.
10779 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10781 * reorg.c (find_end_label): If the basic block reorder pass moves the
10782 return insn to some other place try to locate it again and put our
10783 end_of_function_label there.
10784 * reorg.c (relax_delay_slots): Check if find_end_label created a
10785 new label that invalidates the current optimazation.
10787 2000-09-07 Catherine Moore <clm@redhat.com>
10789 * unroll.c (unroll_loop): Check for unconditional jumps
10790 to loop continuation. Delete if n_iterations is 1.
10791 (ujump_to_loop_cont): New routine.
10793 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
10795 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
10797 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
10798 to handle multiword modes correctly. All callers and the declaration
10801 2000-09-06 Mark Mitchell <mark@codesourcery.com>
10803 * c-common.h (prep_stmt): Declare.
10804 (lang_expand_stmt): Likewise.
10805 * c-decl.c (lang_expand_stmt): Remove.
10806 * c-semantics.c (lang_expand_stmt): Define.
10807 (prep_stmt): New function.
10808 (expand_stmt): Handle common statement types here.
10810 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
10812 * configure.in (sh-*-linux*): Added.
10813 * configure: Rebuilt.
10814 * config/sh/t-linux: New file.
10815 * config/sh/sh.h (USERMODE_BIT): Define.
10816 (TARGET_USERMODE): Likewise.
10817 (TARGET_SWITCHES): New switches for the bits above.
10818 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
10819 * config/sh/linux.h: New file.
10820 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
10821 underscore on linux.
10822 (L_sdivsi3, L_udivsi3): Define for linux.
10823 (L_ic_invalidate): Define.
10824 * invoke.texi (SH Options): Document -musermode.
10826 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
10828 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
10829 CSE unless generating PIC.
10831 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
10834 2000-09-06 H.J. Lu (hjl@gnu.org)
10836 * Makefile.in (clean_s1): Depend on stage_b.
10837 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
10838 stage2. They are used for "make compare".
10840 2000-09-06 Mark Mitchell <mark@codesourcery.com>
10842 Move statement-tree facilities from C++ to C front-end.
10843 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
10844 (void_zero_node): New macro.
10845 (struct stmt_tree_s): New type.
10846 (stmt_tree): New typedef.
10847 (struct language_function): New type.
10848 (last_tree): New macro.
10849 (last_expr_type): Likewise.
10850 (walk_tree_fn): New typedef.
10851 (current_stmt_tree): New function.
10852 (begin_stmt_tree): Likewise.
10853 (add_stmt): Likewise.
10854 (finish_stmt_tree): Likewise.
10855 (statement_code_p): Likewise.
10856 (lang_statement_code_p): New variable.
10857 (walk_stmt_tree): New function.
10858 (STMT_IS_FULL_EXPR_P): New macro.
10859 * c-common.c (lang_statement_code_p): New variable.
10860 (c_common_nodes_and_builtins): Initialize void_zero_node.
10861 (statement_code_p): New function.
10862 (walk_stmt_tree): Likewise.
10863 * c-decl.c (language_function): Rename to ...
10864 (c_language_function): ... this. Include language_function.
10865 (push_c_function_context): Adjust accordingly.
10866 (pop_c_function_context): Likewise.
10867 (mark_c_function_context): Likewise.
10868 (current_stmt_tree): Define.
10869 * c-semantics.c (begin_stmt_tree): New function.
10870 (add_stmt): Likewise.
10871 (prune_unused_decls): Likewise.
10872 (finish_stmt_tree): Likewise.
10874 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10876 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
10878 2000-09-06 Kazu Hirata <kazu@hxi.com>
10880 * calls.c: Fix formatting.
10882 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
10884 * config/i386/i386.h (ADDRESS_COST): Fix typo.
10886 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
10888 Integrated preprocessor.
10890 * Makefile.in: Remove all references to c-parse.gperf,
10891 c-gperf.h, and c-parse.h. Remove -d from yacc command line
10892 generating c-parse.c. Update dependencies.
10893 * c-parse.gperf, c-gperf.h: Delete.
10895 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
10896 yy_lim, or yy_get_token. Don't define get_directive_line if
10898 * c-common.h: Add multiple include guard. Define RID values
10899 for every keyword in C, C++, and Objective C. Put all the
10901 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
10902 * c-decl.c (c_decode_option): Handle -lang-objc here.
10903 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
10904 (grokdeclarator): Adjust for new RID scheme.
10905 (extract_interface_info): New stub.
10906 * c-lang.c: Don't declare yy_cur or parse_options.
10907 (lang_init_options): Call cpp_init. Don't call
10909 (lang_init): Don't call check_newline if USE_CPPLIB.
10911 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
10912 Elide lots of unnecessary code if USE_CPPLIB. Delete code
10913 rendered unnecessary by new architecture. Move routines not
10914 shared with C++ to c-parse.in. Maintain a local idea of the
10915 line number. Handle C++ as well as C.
10916 [USE_CPPLIB]: Declare and register callbacks for #ident and
10917 for entering/leaving files.
10918 (init_c_lex, c_lex): Are now the entry points to this file.
10919 (check_newline): Break out directive handling to
10921 (read_ucs, is_extended_char, utf8_extend_token): Moved here
10922 from C++ front end.
10923 (readescape, parse_float): Overhaul.
10924 (lex_number, lex_string, lex_charconst): Break out of c_lex
10926 (get_fileinfo, update_header_times, dump_one_header,
10927 dump_time_statistics): New and/or moved here from C++.
10928 Support per-file data needed by C++ and per-header timing
10929 statistics (C++ only, at the moment).
10930 * c-lex.h: Update prototypes. Add multiple include guard.
10931 * c-tree.h (struct lang_identifier): Add rid_code field.
10932 (C_IS_RESERVED_WORD, C_RID_CODE): New.
10934 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
10935 reinit_parse_for_function and/or position_after_white_space.
10936 (save_filename, save_lineno): Look ahead before saving.
10937 (label -> identifier ':'): Save file and line before shifting ':'.
10938 (reservedwords): No need to call get_identifier.
10939 (init_parse, finish_parse, yyerror, yylex, yyprint,
10940 make_pointer_declarator): Are now here for C/ObjC.
10941 (rid_to_yy): Conversion table from RID constants to Yacc codes.
10943 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
10944 #pragma registry. Provide dummy implementation of that
10945 interface if !USE_CPPLIB.
10946 * c-pragma.h: Update to match.
10948 * flags.h: Add multiple include guard.
10949 (flag_detailed_statistics): Moved here from C++.
10950 * toplev.c: Define flag_detailed_statistics.
10952 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
10954 * timevar.def (TV_CPP, TV_LEX): New.
10955 * timevar.h: Add multiple include guard.
10957 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
10959 * objc/objc-act.c: Don't mention yy_cur or parse_options.
10960 Initialize cpplib properly. Force lineno to 0 after first
10961 call to check_newline. Don't handle -lang-objc here.
10962 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
10964 2000-09-06 David Edelsohn <edelsohn@gnu.org>
10966 * rs6000.md: Correct function unit definitions for cr_logical and
10968 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
10969 and use portable method for >=0 and floating point >=. Remove
10970 associated matchers.
10972 2000-09-06 Mark Mitchell <mark@codesourcery.com>
10974 * extend.texi: Mark named return value extension as deprecated.
10976 2000-09-06 Geoff Keating <geoffk@cygnus.com>
10978 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
10981 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
10983 * toplev.c (display_help): Fix thinko in documentation.
10985 * diagnostic.h (output_buffer::indent_skip): New fields.
10986 (output_indentation): New macro.
10988 * diagnostic.c (output_indent): New function.
10989 (output_set_prefix, clear_diagnostic_info): Use.
10990 (output_emit_prefix): Predict future indentation.
10992 2000-09-06 DJ Delorie <dj@redhat.com>
10994 * Makefile.in (stage_*): add more dependencies to ensure parallel
10995 builds build correctly
10997 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
10999 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
11000 not bootstrap-lean_f.
11002 2000-09-06 Andreas Schwab <schwab@suse.de>
11004 * mklibgcc.in: Emit rule for libgcc-stage-start.
11005 * Makefile.in (stage1-start, stage2-start, stage3-start,
11006 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
11008 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
11010 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
11011 (update_equiv_regs): Likewise, except for the mn10200 kludge.
11012 (combine_regs): Likewise.
11014 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
11015 * cse.c: Include "basic-block.h".
11016 (struct table_elt): New field REGCOST.
11017 (CHEAP_REG): Delete macro.
11018 (COST): Return 0 for REGs.
11019 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
11020 (notreg_cost): Return 0 for appropriate SUBREGs.
11021 (COSTS_N_INSNS): Return N * 2.
11022 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
11024 (CHEAPER): Use new function preferrable.
11025 (insert): Initialize REGCOST member.
11026 (find_best_addr): Use approx_reg_cost for estimation of register
11028 (cse_insn): Likewise.
11029 * loop.c (iv_add_mult_cost): New function.
11030 (add_cost, shift_cost, mult_cost): Delete variables.
11031 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
11032 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
11033 Make code that detects autoinc opportunities slightly less optimistic.
11034 (simplify_giv_expr): If expression contains other reg that is also a
11035 giv, only increment benefit if this is the only use of that reg.
11036 (consec_sets_giv): Take that change into account.
11037 (combine_givs): Slightly more verbose output.
11039 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
11040 not the cost of an equivalent shift.
11041 * sh-protos.h (addsubcosts): Declare.
11042 * sh.c (addsubcosts): New function.
11043 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
11044 (RTX_COSTS): Tweak. Use addsubcosts.
11045 (ADDRESS_COST): Return higher cost for reg+reg addressing.
11047 2000-09-06 Geoff Keating <geoffk@cygnus.com>
11049 * config/rs6000/rs6000.c (validate_condition_mode): New function.
11050 (branch_comparison_operator): Call validate_condition_mode to
11051 abort rather than returning 0.
11052 (branch_positive_comparison_operator): New function.
11053 (scc_comparison_operator): Call validate_condition_mode to abort
11054 rather than returning 0.
11055 (ccr_bit): Call validate_condition_mode. Update for
11057 (print_operand): Delete %C modifier. Update %E case
11058 to use EQ bit not SO bit.
11059 (rs6000_reverse_condition): New function.
11060 (rs6000_generate_compare): New function.
11061 (rs6000_emit_sCOND): New function.
11062 (rs6000_emit_cbranch): New function.
11063 (output_cbranch): The length of a long branch insn is
11064 now only 8 bytes. Add validate_condition_mode. Use
11065 rs6000_reverse_condition. Remove cror generation.
11067 * config/rs6000/rs6000.h: Update comments.
11068 (PREDICATE_CODES): Add new predicate. Update codes used
11069 by branch_comparison_operator and scc_comparison_operator.
11070 * config/rs6000/rs6000-protos.h: Add prototypes for
11071 new external functions.
11072 * config/rs6000/rs6000.md: Add new scheduling parameters
11073 for cr_logical instructions. Change length of branch
11075 (bCOND patterns): Call rs6000_emit_cbranch.
11076 (sCOND patterns): Call rs6000_emit_sCOND.
11077 (branch patterns): Change lengths to 4.
11078 (cr logical patterns): New.
11080 2000-09-06 Richard Henderson <rth@cygnus.com>
11082 * config/i386/i386.md (call_pop): Fix test for setting
11083 current_function_uses_pic_offset_table.
11084 (call, call_value_pop, call_value): Likewise.
11086 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
11088 * timevar.c (timevar_add): Delete.
11089 (timevar_get): Also count time since the selected timer was
11090 last updated. Do not examine the timevar stack if the
11091 selected timer is standalone.
11093 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11095 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
11097 2000-09-05 Jason Merrill <jason@redhat.com>
11099 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
11100 for 'extern' arrays.
11102 2000-09-05 Richard Henderson <rth@cygnus.com>
11104 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
11105 Eliminate final copy from non-trapping case.
11106 (__divdf3, __divsf3): Likewise.
11108 2000-09-05 Richard Henderson <rth@cygnus.com>
11110 * config/ia64/ia64.md (mulhi3): Fix typo last change.
11111 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
11113 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
11115 * Makefile.in: Restructure bootstrap stages to allow clean
11116 restart after failure.
11118 2000-09-05 Richard Henderson <rth@cygnus.com>
11120 * config/ia64.md (movsi and movdi patterns): Allow moves from
11121 8-bit constants to AR registers.
11123 2000-09-05 Richard Henderson <rth@cygnus.com>
11125 * config/ia64/ia64.md (mulhi3): New.
11127 2000-09-05 Richard Henderson <rth@cygnus.com>
11129 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
11130 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
11131 Optimization Guide, minimum latency alternative.
11132 (__moddi3, __udivdi3, __umoddi3): Likewise.
11133 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
11135 2000-09-05 Bruce Korb <bkorb@gnu.org>
11137 * fixinc/fixincl.c (load_file): always read header files
11138 with sizes that are a multiple of the page size.
11139 & use libiberty's getpagesize for determining that.
11141 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
11143 * gcse.c (hash_string_1): Add prototype.
11144 * cse.c (canon_hash_string): Likewise.
11146 2000-09-04 Craig Newell <CraigN@ieee.org>
11148 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
11150 2000-09-04 Andreas Schwab <schwab@suse.de>
11152 * Makefile.in (STAGESTUFF): Remove libgcc.
11153 (stage1-start, stage2-start, stage3-start): Copy the contents of
11154 the libgcc directory explicitly.
11155 (mostlyclean): Clean libgcc.
11157 2000-09-04 Andrew Haley <aph@redhat.com>
11159 * dwarf2out.c: (stack_adjust_offset): New prototype.
11161 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
11163 * combine.c (make_extraction): Fix rtx_cost comparison to
11166 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
11168 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
11169 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
11170 Add '*' to insn pattern name.
11172 2000-09-04 Jakub Jelinek <jakub@redhat.com>
11174 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
11175 use posn - 1 to index into tokens array.
11176 (maybe_paste_with_next): Adjust caller.
11178 2000-09-03 Geoff Keating <geoffk@cygnus.com>
11180 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
11182 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
11183 (REGNO_REG_CLASS): Use symbolic register
11186 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
11188 * arm.c (final_prescan_insn): If the form of a jump insn isn't
11189 recognized, don't try to conditionally execute it.
11191 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
11193 * config/avr/avr.md ("*tablejump_lib"): New pattern.
11194 (call_value_insn): Right length claculation.
11195 (call_insn): Likewise.
11197 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
11199 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
11200 gas_output_limited_string, gas_output_ascii, output_movqi,
11201 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
11202 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
11203 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
11204 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
11205 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
11206 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
11207 Add "const" as needed to remove warnings.
11209 * config/avr/avr.c (avr_override_options, avr_init_once,
11210 function_prologue, function_epilogue, frame_pointer_required_p,
11211 class_likely_spilled_p, order_regs_for_local_alloc,
11212 avr_address_cost, avr_ret_register): Use K&R style arguments.
11213 (initial_elimination_offset, gas_output_limited_string):
11214 Remove ATTRIBUTE_UNUSED from the used arguments.
11215 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
11216 Use local variables src, dest, base to access operands[].
11217 Rename reg_dest to reg_src if that's what it is.
11218 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
11219 constants to LD_REGS if reg_was_0.
11220 (output_reload_insisf): Change arg 3 to insn length and set it.
11221 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
11222 access to 16-bit I/O register pairs.
11223 (avr_address_cost): Lower cost for the above case.
11224 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
11225 may be clobbered, also for LD_REGS.
11226 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
11229 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
11231 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
11232 macro to test_hard_reg_class function.
11233 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
11234 for loading immediate constants to LD_REGS.
11235 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
11238 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
11240 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
11241 * config/avr/libgcc.S: Lost part of the previous patch.
11243 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11245 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
11246 object before calling pthread_mutex_init.
11248 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
11250 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
11251 config/sh/crtn.asm: New files.
11252 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
11253 (crt1.o, crti.o, crtn.o): New targets.
11254 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
11256 * configure: Rebuilt.
11257 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
11258 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
11259 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
11260 Undefine for config/elfos.h to redefine.
11261 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
11263 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
11265 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
11266 legitimize_pic_address, output_pic_addr_const): Declare.
11267 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
11268 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
11269 (TARGET_SWITCHES): New switch -mprefergot.
11270 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
11271 (PIC_OFFSET_TABLE_REGNUM): Define.
11272 (GOT_SYMBOL_TABLE): Likewise.
11273 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
11274 (ENCODE_SECTION_INFO): Define.
11275 (FINALIZE_PIC): New macros.
11276 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
11277 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
11278 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
11279 (prepare_move_operands): Call emit_pic_move or
11280 emit_pic_const_move if appropriate.
11281 (output_far_jump): For PIC, use braf and output long offset.
11282 (machine_dependent_reorg):
11283 (sh_expand_prologue): Save and initialize the PIC register.
11284 (sh_expand_epilogue): Restore it.
11285 (initial_elimination_offset): Account for it.
11286 (nonpic_symbol_mentioned_p): New function.
11287 (legitimize_pic_address): Likewise.
11288 (output_pic_addr_const): Likewise.
11289 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
11290 (call, call_value): Use them.
11291 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
11292 symPLT_label2reg): New expands.
11293 * invoke.texi (SH Options): Document -mprefergot.
11295 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
11297 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
11298 * gcse.c (hash_string_1): New function.
11299 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
11300 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
11301 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
11302 (canon_hash_string): New function.
11303 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
11304 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
11305 (fold_rtx): Use ASM_OPERANDS accessor macros.
11306 * emit-rtl.c (copy_insn_1): Likewise.
11307 * integrate.c (copy_rtx_and_substitute): Likewise.
11308 * stmt.c (expand_asm_operands): Likewise. Give an
11309 ASM_OPERANDS rtx the mode of the output reg being set from it.
11311 2000-09-01 Fred Fish <fnf@be.com>
11313 * fix-header.c (write_rbrac): Add putc and getc to list of
11314 functions to protect against prior definition as a macro.
11316 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
11318 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
11319 (c_size_type_node): Define.
11320 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
11321 * c-common.c (enum format_lengths, enum format_std_version,
11322 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
11323 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
11324 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
11325 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
11326 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
11327 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
11328 format_types): Define.
11329 (format_char_info, print_char_table, scan_char_table,
11330 time_char_table): Rearrange for new organization of information
11331 about format length modifiers and standard versions.
11332 (T_ST): Redefine to use c_size_type_node.
11333 (check_format_info): Obtain information about length modifiers and
11334 standard versions from tables. Adjust warning message wordings.
11335 Use the name from the user's program for `ll' and `hh' length
11336 modifiers in warning messages. Use more informative names for
11337 wanted types where available (for wchar_t, wint_t, size_t, signed
11338 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
11340 2000-09-01 Jim Wilson <wilson@cygnus.com>
11342 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
11343 * combine.c (distribute_notes): Handle REG_NORETURN.
11344 * rtl.c (reg_note_name): Add REG_NORETURN.
11345 * rtl.h (enum reg_note): Likewise.
11347 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
11349 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
11350 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
11351 (emit_predicate_relation_info): Handle conditional calls with
11353 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
11354 instead of ia64_file_start.
11355 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
11356 * config/ia64/ia64.md (safe_across_calls_all,
11357 save_across_calls_normal): New patterns.
11359 * loop.c (check_final_value): Check for biv use before checking for
11360 giv use. Check for both biv and giv uses. Always set last_giv_use
11361 if there is a giv use.
11363 2000-09-01 Richard Henderson <rth@cygnus.com>
11365 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
11366 (madddi3): Likewise.
11369 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11371 * expr.c (clear_storage): Don't use emit_move_insn unless
11372 either BLKmode or proper size.
11373 (store_constructor): Don't call clear_storage if REG of wrong size.
11375 * flow.c (init_propagate_block_info): Don't mark frame dead at end
11376 of function if returns wiht stack pointer depressed.
11378 2000-09-01 Andrew Haley <aph@redhat.com>
11380 * dwarf2out.c (stack_adjust_offset): New function.
11381 (dwarf2out_stack_adjust): Break out stack adjust logic into
11382 new stack_adjust_offset function. Look inside parallels and
11383 sequences for stack adjustments.
11385 2000-08-31 Jeff Law <law@cygnus.com>
11387 * arm.md: Use no_new_pseudos to determine when it is safe
11388 to create new pseudo registers.
11390 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
11391 when we can safely allocate new registers.
11393 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
11395 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
11396 so that CONCATs are not generated for ASMs.
11397 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
11398 not generating_concat_p.
11399 * function.c (pop_function_context_from): Reset
11400 generating_concat_p.
11401 (prepare_function_start): Likewise.
11402 * rtl.c (generating_concat_p): Define.
11403 * rtl.h (generating_concat_p): Declare.
11404 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
11406 2000-08-22 Philipp Thomas <pthomas@suse.de>
11407 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
11409 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
11412 2000-08-30 Greg McGary <greg@mcgary.org>
11414 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
11415 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
11416 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
11418 2000-08-30 Greg McGary <greg@mcgary.org>
11420 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
11421 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
11422 (TREE_INT_CST): New macro.
11423 * varasm.c (const_hash, compare_constant_1, record_constant_1):
11424 Use new macro TREE_INT_CST.
11426 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
11428 * contrib.texi: Add self.
11430 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
11432 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
11433 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
11436 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11438 * fixinc/gnu-regex.c: Don't define `const'.
11440 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11442 * expr.c (store_constructor): Allow variable bounds of array type.
11443 (expand_expr): Don't blow up if type is ERROR_MARK.
11444 * varasm.c (output_constructor): Don't access lower bound of array
11445 type unless need it if index is supplied (so it can be a variable
11446 if no index is supplied).
11447 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
11448 Other minor cleanups.
11450 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11452 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
11453 for compilations in stage 1 and subsequent stages, respectively.
11454 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
11455 * configure: Rebuilt.
11456 * x-vax, x-vax-gcc: Deleted.
11458 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
11460 * c-common.c (declare_function_name): Use func_id_node,
11461 function_id_node, and pretty_function_id_node. Do not make
11462 __func__ visible at file scope.
11463 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
11464 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
11465 (function_id_node, pretty_function_id_node, func_id_node): New
11467 * c-decl.c (init_decl_processing): Initialize function_id_node,
11468 pretty_function_id_node, and func_id_node.
11469 (c_make_fname_decl): Correct comment.
11471 * tree.h (struct tree_identifier): Constify pointer member.
11473 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
11474 * c-pragma.h (struct weak_syms): Constify name and value members.
11475 (add_weak): Constify arguments.
11477 * calls.c (special_function_p): Constify a char *.
11478 (expand_call): Remove variable which is initialized and then
11480 * dependence.c (struct def_use, struct induction, struct subscript):
11481 Constify 'variable' member.
11482 (get_low_bound, have_induction_variable): Constify char * argument.
11483 (find_induction_variable): Add braces to avoid dangling else.
11484 (classify_dependence): Constify char * arrays.
11485 * profile.c (output_func_start_profiler): Constify a char *.
11486 * stor-layout.c (finalize_record_size): Constify a char *.
11487 * tree.c (is_attribute_p): Constify a char *.
11488 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
11490 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
11491 for comprehensibility. Do not call get_identifier if we did
11492 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
11493 create temporary string constants, not ggc_alloc_string. No
11494 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
11495 char * to hold IDENTIFIER_POINTERs.
11497 2000-08-29 Richard Henderson <rth@cygnus.com>
11499 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
11502 2000-08-29 Richard Henderson <rth@cygnus.com>
11504 * reload.c (push_secondary_reload): Allow class == reload_class
11505 if we're using a reload_in/out pattern.
11507 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
11508 the half that does not conflict with the reload register.
11509 (reload_outti): Likewise.
11511 2000-08-29 Kazu Hirata <kazu@hxi.com>
11513 * reload.c: Fix formatting.
11515 * stmt.c: Fix formatting.
11517 * gcc.c: Fix formatting.
11519 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
11521 * flags.h (time_report, mem_report): New global flags.
11522 * toplev.c: Define time_report and mem_report.
11523 (f_options): Add -ftime-report and -fmem-report.
11524 (compile_file): Turn on time_report if quiet_flag is off.
11525 Call ggc_print_statistics at very end if mem_report is on.
11526 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
11528 * ggc-common.c (ggc_print_statistics): Rename to
11529 ggc_print_common_statistics; all callers changed. Scale
11530 quantities above 10K to kilobytes and above 10M to megabytes.
11531 * ggc-page.c (ggc_page_print_statistics): Rename to
11532 ggc_print_statistics. Report memory consumed by internal data
11533 structures for each allocation bucket. Scale quantities above
11534 10K to kilobytes and above 10M to megabytes.
11535 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
11536 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
11537 Define tally_leaves always.
11538 (ggc_print_statistics): New function.
11539 * ggc.h: Adjust for renamed functions.
11541 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
11543 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
11544 output_movsisf instead of which_alternative.
11546 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
11548 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
11550 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
11551 (avr_progmem_p): New prototype.
11552 (output_movsisf): Prototype declaration changed.
11553 (output_movqi): New prototype.
11554 (output_movhi): New prototype.
11555 (call_insn_operand): Likewise.
11556 (final_prescan_insn): Likewise.
11557 (avr_simplify_comparision_p): Likewise.
11558 (avr_normalize_condition): Likewise.
11559 (compare_eq_p): Likewise.
11560 (out_shift_with_cnt): Likewise.
11561 (const_int_pow2_p): Likewise.
11562 (output_reload_inhi): Prototype declaration changed.
11564 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
11565 (ldi_reg_rtx): New. rtx for r31.
11566 (avr_init_stack): Initialize as "__stack".
11567 (function_prologue): Use it.
11568 Replace all TARGET_ENHANCED with AVR_ENHANCED.
11569 (avr_mcu_name): Initialize as "avr2".
11570 (avr_enhanced_p, avr_mega_p): New variables.
11571 (mcu_types, avr_override_options): Handle all known MCU types.
11572 Also handle avr1 (only preprocess, assemble and link).
11573 (print_operand): Using of `%K' in output template removed.
11574 (out_movqi_r_mr): Optimized.
11575 (out_movhi_r_mr): Likewise.
11576 (output_movqi): New function.
11577 (output_movhi): Likewise.
11578 (out_movsi_r_mr): Optimized.
11579 (output_movsisf): Compute insn length for `adjust_insn_length'
11580 (out_movqi_mr_r): Optimized.
11581 (out_movhi_mr_r): Optimized.
11582 (adjust_insn_length): Use output_movsisf, output_movqi,
11583 output_movhi for insn length adjusting.
11584 (reg_unused_after): Use dead_or_set_p.
11585 (preferred_reload_class): Now havn't any restriction.
11586 (reg_was_0): New function.
11587 (io_address_p): Likewise.
11588 (const_int_pow2_p): Likewise.
11589 (output_reload_inhi): Likewise.
11590 (output_reload_insisf): Likewise.
11592 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
11593 (LIB_SPEC): Use -lc for all supported devices.
11594 (LIBGCC_SPEC): Use -lgcc for all supported devices.
11595 (AVR_MEGA): Define as avr_mega_p.
11596 (AVR_ENHANCED): New, define as avr_enhanced_p.
11597 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
11598 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
11599 (CRT_BINUTILS_SPECS): Handle all known MCU types.
11600 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
11601 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
11602 (ASM_SPEC): Pass -mmcu=... to the assembler.
11603 Change all -DAVR_* to -D__AVR_*__.
11604 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
11605 Rename library functions to start with two underscores.
11606 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
11608 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
11609 (SUPPORTS_WEAK): Likewise.
11610 (LDI_REG_REGNO): New. Register r31 will be used as temporary
11611 register for loading constants to r0-r14.
11613 * config/avr/avr.md: Replace all TARGET_ENHANCED with
11615 (*mov_r_sp): Removed. Handled by output_movhi.
11616 (*mov_sp_r): Likewise.
11617 (*mov_sp_r_no_interrupts): Likewise
11618 (*mov_sp_r_tiny): Likewise.
11619 (*movqi): Use output_movqi.
11620 (*reload_inqi): New.
11621 (*movhi): Use output_movhi.
11622 (*reload_inhi): New.
11623 (*negsi2): Optimized.
11624 (*negsf2): Likewise.
11625 Added peepholes (define_peephole2) for loading constants to r0-r14
11626 and for using `cpse' command.
11628 * config/avr/libgcc.S: Rename library functions to start with two
11630 Add support for enhanced core.
11631 (_moqhi3): Fix typo, now _modqi3.
11632 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
11633 (__prologue_saves__): Remove test for stack adjust by 0.
11634 (__tablejump__): New.
11636 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
11637 Add multilib support.
11639 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
11641 * loop.c (prescan_loop): Don't check unknown_address_altered
11642 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
11643 to loop_store_mems as necessary.
11644 (loop_invariant_p): Don't check unknown_address_altered
11645 or unknown_constant_address_altered.
11647 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11649 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
11651 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
11653 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
11654 print just the filename.
11655 * cpplex.c (_cpp_run_directive): Add additional argument, the
11656 name to give the synthetic buffer. This defaults to
11657 translated "<command line>".
11658 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
11660 (_cpp_define_builtin): New function.
11661 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
11662 * cpphash.h: Update prototypes.
11664 * tradcpp.c (main): Process -D and -U simultaneously, in the
11665 order they appeared on the command line.
11667 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11669 * c-decl.c (define_label): Call warning_with_file_and_line and
11670 error_with_file_and_line instead of plain warning or error.
11672 * c-parse.in (label): Use save_filename/save_lineno to ensure
11673 correct values for calls to define_label.
11675 2000-08-29 Mark Mitchell <mark@codesourcery.com>
11677 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
11679 * expr.c (expand_expr, case TARGET_EXPR): Don't call
11681 * tree.h (get_file_function_name): Remove two duplicate
11684 2000-08-28 Kazu Hirata <kazu@hxi.com>
11686 * tree.c: Fix formatting.
11688 * xcoffout.c: Fix formatting.
11690 2000-08-28 Jason Merrill <jason@redhat.com>
11692 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
11694 2000-08-28 Daniel Berlin <dberlin@redhat.com>
11696 * dwarf2out.c (dwarf2out_finish): Don't bother calling
11697 break_out_includes if it won't do anything.
11699 2000-08-28 Richard Henderson <rth@cygnus.com>
11701 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
11702 (find_reloads): Likewise.
11703 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
11704 (reload_inhi): Likewise.
11706 2000-08-28 Richard Henderson <rth@cygnus.com>
11708 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
11709 (call_insn_operand): Don't expect a surrounding mem.
11710 (constant_call_address_operand): Likewise.
11711 * config/i386/i386.h (PREDICATE_CODES): Update.
11712 * config/i386/i386.md (call patterns): Move the match_operand
11713 for the call destination inside the mem.
11715 2000-08-28 Richard Henderson <rth@cygnus.com>
11717 * local-alloc.c (requires_inout): Don't use reserved range for
11718 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
11719 * recog.c (asm_operand_ok): Likewise.
11720 (preprocess_constraints, constrain_operands): Likewise.
11721 * regclass.c (record_reg_classes): Likewise.
11722 * reload.c (find_reloads): Likewise.
11723 * reload1.c (maybe_fix_stack_asms): Likewise.
11724 (reload_cse_simplify_operands): Likewise.
11725 * stmt.c (expand_asm_operands): Likewise.
11727 * md.texi: Update constraints documentation.
11728 * tm.texi (EXTRA_CONSTRAINT): Update.
11730 2000-08-28 Daniel Berlin <dberlin@redhat.com>
11732 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
11733 (print_die): If we don't know the offset of the
11734 target die, try the symbol. Add a trailing newline.
11735 (reverse_all_dies): New fn.
11736 (dwarf2out_finish): Call it.
11737 (break_out_includes): Reorganize for clarity.
11738 (add_sibling_attributes): Don't call reverse_die_lists.
11739 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
11741 * flags.h: Add flag_eliminate_dwarf2_dups.
11742 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
11744 2000-08-28 Jason Merrill <jason@redhat.com>
11746 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
11747 * dwarf2out.c: #include "md5.h".
11748 (DIE_LABEL_PREFIX): New macro.
11749 (dw_val_struct): Add 'external' flag to val_die_ref.
11750 (add_AT_die_ref, AT_ref): Adjust.
11751 (AT_ref_external, set_AT_ref_external): New fns.
11752 (build_abbrev_table): Call set_AT_ref_external.
11753 (value_format): Call AT_ref_external.
11754 (die_struct): Add die_symbol field.
11755 (new_die): Clear it.
11756 (dwarf_tag_name): Handle BINCL/EINCL.
11757 (dwarf2out_start_source_file): Add BINCL DIE.
11758 (dwarf2out_end_source_file): Add EINCL DIE.
11759 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
11760 (loc_checksum, attr_checksum, die_checksum): New fns.
11761 (is_type_die, is_comdat_die, is_symbol_die): New fns.
11762 (compute_section_prefix, assign_symbol_names): New fns.
11763 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
11764 (output_die): Call output_die_symbol and AT_ref_external.
11765 (output_comdat_comp_unit): New fn, split out from...
11766 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
11768 (output_pubnames, output_aranges): Abort if we see entries from
11770 * toplev.h: Declare file_name_nondirectory.
11771 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
11772 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
11773 (debug_start_source_file): Call dwarf2out_start_source_file
11774 regardless of debug verbosity.
11775 (debug_end_source_file): Similarly.
11776 * tree.h: Declare clean_symbol_name.
11777 * tree.c (clean_symbol_name): Split out from...
11778 (get_file_function_name_long): ...here.
11780 * dwarf2out.c (new_loc_descr): Use calloc.
11781 (splice_child_die): Remove the die from the right parent.
11782 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
11784 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11786 * toplev.c (decode_g_option): Don't give warning for unknown -g
11787 option; return 0 instead.
11788 (main): If -g option is not recognized by front end or
11789 language-independent code, give warning.
11791 2000-08-28 Greg McGary <greg@mcgary.org>
11793 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
11794 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
11795 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
11797 2000-08-27 Greg McGary <greg@mcgary.org>
11799 * cpplex.c (parse_string): Don't look for backslash
11800 before first char in `namebuf'.
11801 * loop.c (strength_reduce): Skip NOTEs.
11803 2000-08-27 Jason Merrill <jason@redhat.com>
11805 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
11806 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
11807 TREE_ASM_WRITTEN, either.
11808 (finish_decl): Adjust.
11810 2000-08-28 Philipp Thomas <pthomas@suse.de>
11812 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
11813 they have been incorporated into the gettext CVS. Change the text to
11814 reflect the current status of NLS. Add instructions for accessing
11815 the gettext CVS and add the patch from Martin v. Loewis.
11817 2000-08-27 Geoff Keating <geoffk@cygnus.com>
11819 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
11820 by using gen_lowpart_common.
11821 (movdi_internal64+6): Likewise.
11823 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
11825 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
11828 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
11829 numbers to the ranges used by GDB.
11831 2000-08-25 Richard Henderson <rth@cygnus.com>
11833 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
11834 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
11835 (ia64_expand_prologue): Likewise.
11836 (ia64_setup_incoming_varargs): Set it. Properly skip the current
11837 argument for stdargs.
11839 2000-08-25 Jason Merrill <jason@redhat.com>
11841 * integrate.c (expand_inline_function): Pull out the original decl.
11843 2000-08-25 Jim Wilson <wilson@cygnus.com>
11845 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
11847 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
11849 2000-08-25 Greg McGary <greg@mcgary.org>
11851 * flow.c (dump_edge_info): Use ARRAY_SIZE.
11852 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
11854 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
11856 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
11858 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
11860 * i386.c (ix86_find_base_term): New.
11861 * i386-protos.h (ix86_find_base_term): Prototype.
11862 * i386.h (FIND_BASE_TERM): Define.
11863 * alias.c (find_base_term): Use it.
11864 * tm.texi (FIND_BASE_TERM): Document it.
11866 * alias.c (true_dependence, write_dependence_p): Unchanging
11867 memory can't conflict with non-unchanging memory.
11869 * alias.c (memrefs_conflict_p): A BLKmode reference
11870 to a symbol (or CONST_INT address) always conflicts
11871 with a reference to another symbol.
11873 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
11875 * c-common.c (time_char_table): Don't allow width and flags with
11878 2000-08-25 Jakub Jelinek <jakub@redhat.com>
11880 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
11881 way as LT and LTU when the second operand has 0 in low word.
11883 2000-08-26 Michael Hayes <mhayes@cygnus.com>
11885 * basic-block.h (struct loop): Rename `exits' field to
11886 `exit_edges'. Add `entry_edges' and `num_entries' fields.
11888 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
11889 (flow_loop_entry_edges_find): Add.
11890 (flow_edge_list_print): Rename from flow_exits_print.
11891 (flow_loops_find): Call flow_loop_entry_edges_find.
11892 (flow_loop_dump): Dump entry_edges list.
11893 (flow_loops_free): Free entry_edges.
11895 2000-08-26 Michael Hayes <mhayes@cygnus.com>
11897 * loop.c (loop_dump_aux, debug_loop): New functions.
11898 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
11900 * flow.c (flow_loops_dump): Add callback parameter.
11901 (flow_loop_dump): Add callback parameter and call it. Move
11902 loop note debugging code to loop_dump_aux.
11904 * basic-block.h (flow_loop_dump): Add callback parameter
11905 (flow_loops_dump): Likewise.
11907 * toplev.c (rest_of_compilation): Add NULL callback function pointer
11908 to call to flow_loops_dump.
11910 2000-08-26 Michael Hayes <mhayes@cygnus.com>
11912 * loop.c (count_loop_regs_set): Replace start and end arguments
11913 with loop argument. All callers udated.
11915 2000-08-26 Michael Hayes <mhayes@cygnus.com>
11917 * loop.c (constant_high_bytes): Delete.
11919 2000-08-26 Michael Hayes <mhayes@cygnus.com>
11921 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
11922 and NOTE_INSN_LOOP_VTOP to...
11923 (find_and_verify_loops) ...here.
11925 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
11927 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
11928 (fini_dummy, init_dummy): Use it.
11930 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
11932 * cpplex.c (is_macro_disabled): Caller has already checked
11933 that we're not a preprocessed file.
11935 2000-08-24 Mark Mitchell <mark@codesourcery.com>
11937 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
11938 (c-iterate.o): Remove target.
11939 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
11940 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
11941 (finish_decl): Don't handle iterators.
11942 (grokdeclarator): Likewise.
11943 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
11944 * gcc/c-gperf.h: Regenerated.
11945 * gcc/c-iterate.c: Removed.
11946 * gcc/c-lex.c (init_lex): Don't handle iterators.
11947 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
11948 (compstmt_primary_start): Remove push_iterator_stack call.
11949 (stmt): Don't allow iterator statements. Replace iterator_expand
11950 with expand_expr_stmt.
11951 (all_iter_stmt): Remove.
11952 (all_iter_stmt_simple): Likewise.
11953 (all_iter_stmt_with_decl): Likewise.
11954 * gcc/c-tree.h (ITERATOR_P): Remove.
11955 (ITERATOR_BOUND_P): Likewise.
11956 (init_iterators): Remove declaration.
11957 (iterator_expand): Likewise.
11958 (iterator_for_loop_start): Likewise.
11959 (iterator_for_loop_end): Likewise.
11960 (iterator_for_loop_record): Likewise.
11961 (push_iterator_stack): Likewise.
11962 (pop_iterator_stack): Likewise.
11963 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
11964 (readonly_warning): Likewise.
11965 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
11967 2000-08-24 Jim Wilson <wilson@cygnus.com>
11969 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
11970 Copy type in a TYPE_DECL, just like pushdecl does.
11972 2000-08-24 Richard Henderson <rth@cygnus.com>
11974 * toplev.c (main): Enable flag_reorder_blocks at -O2.
11976 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
11978 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
11979 asked for one page, allocate GGC_QUIRE_SIZE of them and put
11980 the extras on the free list.
11981 (release_pages): Clean up.
11982 (ggc_set_mark): Don't adjust G.allocated here...
11983 (sweep_pages): ... do it here.
11985 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
11987 * cppfiles.c (read_include_file): Rearrange initializations.
11989 2000-08-24 Richard Henderson <rth@cygnus.com>
11991 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
11993 * config/ia64/ia64-protos.h: Update.
11994 * config/ia64/ia64.c (gr_register_operand): New.
11995 (fr_register_operand, grfr_register_operand): New.
11996 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
11997 (grfr_reg_or_8bit_operand): New.
11998 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
11999 use gr_register_operand.
12000 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
12001 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
12002 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
12003 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
12004 (fr_reg_or_fp01_operand): Likewise.
12005 (not_postinc_memory_operand): New.
12006 (ia64_split_timode): Remove unused variables.
12007 (rtx_needs_barrier): Check arguments to cmpxchg.
12008 (builtin_description): Remove.
12009 (bdesc_2argsi, bdesc_2argdi): Remove.
12010 (ia64_init_builtins): Declare all builtins directly.
12011 (ia64_expand_fetch_and_op): Rewrite to be called from
12012 ia64_expand_builtin directly. Use expand_binop and co.
12013 (ia64_expand_op_and_fetch): Likewise.
12014 (ia64_expand_compare_and_swap): Likewise.
12015 (ia64_expand_binop_builtin): Remove.
12016 (ia64_expand_lock_test_and_set): New.
12017 (ia64_expand_lock_release): New.
12018 (ia64_expand_builtin): Use them.
12019 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
12020 (EXTRA_CONSTRAINT): Use it.
12021 (PREDICATE_CODES): Update.
12022 * config/ia64/ia64.md (*): Use gr_register_operand and co.
12023 (mf): Indicate that we set memory as well as use it.
12024 (fetchadd_acq_si): Show memory being modified as well.
12025 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
12026 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
12027 (lock_test_and_set_si, lock_test_and_set_di): Remove.
12028 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
12029 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
12030 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
12031 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
12032 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
12033 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
12034 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
12035 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
12036 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
12037 return type. Pretty print definitions.
12039 2000-08-24 Jim Wilson <wilson@cygnus.com>
12041 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
12042 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
12044 2000-08-24 Jason Merrill <jason@redhat.com>
12046 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
12047 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
12048 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
12049 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
12051 2000-08-24 Greg McGary <greg@mcgary.org>
12053 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
12054 and extendtab within their proper array boundaries.
12055 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
12056 for the entire array.
12058 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
12059 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
12060 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
12061 * config/fr30/fr30.c (fr30_print_operand): Likewise.
12062 * config/i386/dgux.c (output_options): Likewise.
12063 * config/i386/dgux.h (ASM_FILE_START): Likewise.
12064 * config/m88k/m88k.c (output_options): Likewise.
12065 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
12066 * config/mcore/mcore.c (mcore_output_inline_const_forced,
12067 layout_mcore_frame, handle_structs_in_regs): Likewise.
12068 * config/mips/mips.c (output_block_move): Likewise.
12069 * config/rs6000/rs6000.c (rs6000_override_options,
12070 rs6000_file_start): Likewise.
12071 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
12072 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
12073 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
12074 * builtins.c (expand_builtin_setjmp): Likewise.
12075 * expr.c (safe_from_p): Likewise.
12076 * flow.c (life_analysis): Likewise.
12077 * fold-const.c (size_int_type_wide): Likewise.
12078 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
12079 * genattrtab.c (make_length_attrs): Likewise.
12080 * genopinit.c (gen_insn): Likewise.
12081 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
12082 * global.c (global_alloc): Likewise.
12083 * local-alloc.c (find_free_reg): Likewise.
12084 * mips-tdump.c (print_symbol): Likewise.
12085 * mips-tfile.c (parse_def, parse_input): Likewise.
12086 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
12087 * stmt.c (expand_nl_goto_receiver): Likewise.
12088 * stor-layout.c (set_sizetype): Likewise.
12089 * varasm.c (decode_reg_name): Likewise.
12090 * toplev.c (decode_f_option, decode_W_option,
12091 set_target_switch, print_switch_values): Likewise.
12092 (NUM_ELEM): Remove macro.
12093 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
12095 2000-08-24 Greg McGary <greg@mcgary.org>
12097 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
12098 (MAIN_NAME_P, main_identifier_node): New macros.
12099 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
12100 * c-decl.c (start_decl, grokdeclarator, start_function,
12101 store_parm_decls, finish_function): Use MAIN_NAME_P.
12102 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
12103 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
12104 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
12105 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
12107 2000-08-24 Greg McGary <greg@mcgary.org>
12109 * cppfiles.c (actual_directory): Don't write beyond `dir'
12110 when it contains "".
12111 * real.c (asctoeg): Stay within bounds of etens[][].
12113 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12115 * dependence.c (dependence_string, direction_string,
12116 dump_one_node, dump_node_dependence): Hide unused identifiers.
12117 (get_low_bound, normalize_coefficients): Match definition to
12119 (get_one_coefficient): Initialize variables `value0_is_idx' and
12121 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
12122 (ziv_test): Delete variable `idx', use parameter `sub' instead.
12123 (direction_merge): Avoid automatic aggregate initialization.
12124 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
12125 Initialize variables `dest_idx' and `src_idx'.
12126 (end_dependence_analysis): Avoid C89 style function definition.
12128 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
12130 * c-common.c (time_char_table): Don't allow width with %F.
12131 (check_format_info): Don't allow "Z" length with scanf.
12133 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
12135 * diagnostic.c (finish_diagnostic): Define.
12136 (output_do_printf): Use wrap_text instead of output_add_string.
12137 (default_print_error_function): Avoid embedded '\n'.
12139 * diagnostic.h (flush_diagnostic_buffer): Declare.
12141 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
12143 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
12145 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
12147 * Makefile.in (GCC_PASSES): Add specs.
12149 2000-08-23 Jim Wilson <wilson@cygnus.com>
12151 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
12152 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
12153 EHANDLER nor UHANDLER bit is set.
12154 (__get_except_table): Likewise.
12156 2000-08-23 Nick Clifton <nickc@redhat.com>
12158 * config/arm/lib1funcs.asm: Replace upper case condition codes
12159 with lower case versions.
12161 * config/arm/arm.h (STRUCT_VALUE): Define.
12162 (STRUCT_VALUE_REGNUM): Delete.
12164 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
12166 * cpphash.h (IN_I): New flag for directive table.
12167 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
12169 (_cpp_check_directive): If -fpreprocessed, execute directives
12170 marked with IN_I. Issue no warnings in this case.
12171 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
12173 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
12175 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
12177 (check_format_info): Support printf 'I' flag; warn about it with
12180 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
12182 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
12183 barrier can't be ignored by the alias analysis code.
12185 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
12187 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
12188 works inside fixincl.
12190 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
12192 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
12193 simplify_relational_operation() unless both operands are of
12195 * cse.c (fold_rtx): Likewise.
12197 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
12199 * rtlanal.c (rtx_unstable_p): The pic register is stable
12200 (within one function) and the actual rtx should be used
12201 when checking the registers.
12202 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
12204 * alias.c (true_dependence, write_dependence_p): Fix
12205 bug in previous patch.
12207 * i386.c (ix86_GOT_alias_set): New.
12208 (legitimize_pic_address): Use it.
12210 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
12211 only stable if its address is stable.
12212 (rtx_varies_p): An unchanging MEM can't vary if
12213 its address doesn't vary.
12215 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12217 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
12219 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12221 * vax.h (ASM_SPEC): Pass `-J' to assembler.
12222 * x-vax-gcc: New file for bootstrapping with gcc.
12223 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
12224 * configure.in: Use x-vax-gcc with gcc.
12225 * configure: Rebuilt.
12227 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12229 * toplev.c (rest_of_compilation): Rebuild label notes after
12230 post-reload splitting pass if new labels have been created.
12232 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
12234 * diagnostic.h (output_buffer_state): New macro.
12235 * diagnostic.c (diagnostic_for_decl, sorry,
12236 default_print_error_function, output_do_verbatim,
12237 report_diagnostic, report_problematic_module): Use it.
12238 (wrap_text): Tweak.
12239 (output_format): Use wrap_text instead of maybe_wrap_text.
12241 2000-08-22 Nick Clifton <nickc@redhat.com>
12243 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
12244 Common code for ARM divide and modulus functions.
12245 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
12247 (FUNC_END): New macro: Common code at the end of the division and
12249 (THUMB_FUNCTION_START): New macro: Common code at the start of
12251 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
12253 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
12255 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
12257 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
12258 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
12261 2000-08-22 Nick Clifton <nickc@redhat.com>
12263 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
12264 restorative additions, test for bottom bits of IP being set,
12265 rather than relying upon the RORs not matching.
12268 2000-08-22 David Edelsohn <edelsohn@gnu.org>
12270 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
12271 text_section() as appropriate instead of emitting text csect
12272 pseudo-op directly.
12273 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
12274 (UNIQUE_SECTION): Define macro.
12275 (ASM_OUTPUT_SECTION_NAME): Define macro.
12276 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
12277 on AIX if debugging and -fdata-sections always.
12279 2000-08-22 Steven King <sxking@uswest.net>
12281 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
12283 (LDBL_MAX): Same here.
12285 2000-08-22 Richard Henderson <rth@cygnus.com>
12287 * flow.c (tidy_fallthru_edge): Update b->end properly.
12289 2000-08-22 Stan Cox <scox@redhat.com>
12291 * Makefile.in (OBJS): Add dependence.o.
12292 * dependence.c: New file.
12294 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
12296 * calls.c (check_sibcall_argument_overlap_1): Adjust for
12297 ARGS_GROW_DOWNWARD.
12298 (check_sibcall_argument_overlap): Likewise.
12300 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
12302 * invoke.texi (SH Options): Document -m4-nofpu,
12303 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
12304 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
12306 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
12308 * c-common.c (check_format_info): Give the 'some locales' warning
12309 for strftime %Ey rather than the unconditional 'only last 2 digits
12312 2000-08-22 Richard Henderson <rth@cygnus.com>
12314 * alias.c (init_alias_analysis): Do not register
12315 struct_value_incoming_rtx or static_chain_rtx as pointing
12318 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
12320 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
12322 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
12324 * diagnostic.h (report_problematic_module): Declare.
12325 * diagnostic.c (report_problematic_module): New function.
12326 (report_error_function): Tweak.
12328 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12330 * stmt.c (expand_goto_internal, fixup_gotos): Only check
12331 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
12333 2000-08-21 Richard Henderson <rth@cygnus.com>
12335 * flow.c (calculate_global_regs_live): Mark frame pointer live
12336 everywhere before reload.
12338 2000-08-21 Jim Wilson <wilson@cygnus.com>
12340 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
12341 INTEL_EXTENDED_IEEE_FORMAT.
12342 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
12343 clear last two bytes of output FP value.
12345 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
12347 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
12349 2000-08-21 Jakub Jelinek <jakub@redhat.com>
12351 * unroll.c (loop_find_equiv_value): If ret is modified between
12352 insn and loop_start, ret might not be equivalent to reg.
12354 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
12356 * c-common.c (init_dollar_format_checking,
12357 maybe_read_dollar_number, finish_dollar_format_checking): New
12359 (dollar_arguments_used, dollar_arguments_count,
12360 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
12362 (check_format_info): Support $ formats for scanf and printf width
12363 and precision. Always increment format_chars to advance past the
12364 '*' of precision, not just when the format parameters are
12365 available to check.
12367 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12369 * mips.c (block_move_loop, expand_block_move,
12370 function_arg_partial_nregs, save_restore_insns, function_prologue,
12371 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
12373 (function_arg_advance, function_arg): Match argument to format
12376 2000-08-21 Nix <nix@esperi.demon.co.uk>
12378 * gcc.c (do_spec_1): Implement %j spec flag.
12379 Remove dead comment.
12381 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
12382 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
12383 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
12384 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
12386 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
12387 writable) instead of hardcoded value.
12389 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
12391 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
12394 * gcc.c (cc1_options): Do not process -o or run the assembler if
12396 * objc/lang-spec.h: Likewise.
12398 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
12400 * fixinc/fixincl.c (fix_with_system): Pipe the output of
12401 "external" fixes through `cat', to avoid truncating the input
12402 file by redirection.
12404 2000-08-21 Jakub Jelinek <jakub@redhat.com>
12406 * config/i386/i386.md (lea_general_1): Copy insn condition to split
12408 (lea_general_2, lea_general_3): Likewise.
12410 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12412 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
12413 warnings to user code.
12415 * c-lex.c (readescape, yylex): Likewise.
12417 * c-typeck.c (store_init_value, process_init_element): Likewise
12418 (c_expand_start_case): Format.
12420 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
12422 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
12424 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
12425 and linker_endian_spec to endian_spec.
12426 (ENDIAN_SPEC): Add %{EB} and %{EL}.
12427 (LINK_SPEC): Remove %{EB} and %{EL}.
12428 (ASM_SPEC): Likewise. Use %(endian_spec).
12430 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
12432 * c-tree.h (flag_hosted): Move declaration from here...
12433 * c-common.h (flag_hosted): ... to here.
12434 (flag_noniso_default_format_attributes): New declaration.
12435 * c-decl.c (flag_noniso_default_format_attributes): New variable.
12436 (c_decode_option): Set it appropriately for options choosing
12437 language standard variant.
12438 * c-common.c (init_function_format_info): Only provide default
12439 format attributes if flag_hosted. Only provide the gettext
12440 formats if flag_noniso_default_format_attributes. Update
12442 (check_format_info): Disable treatment of %a as a scanf flag in
12445 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
12447 * c-common.c (scan_char_table): Add 'w' to flags for all formats
12449 (check_format_info): Set 'wide' for scanf format widths. Warn for
12450 a zero scanf width. Make the check for writing into a constant
12451 object at the first level of indirection; at later levels, warn if
12452 any type qualifiers are encountered.
12454 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
12456 * reload.c (reload_inner_reg_of_subreg): New function broken out of
12458 (push_reload): Use reload_inner_reg_of_subreg.
12459 (combine_reloads): Do not combine reloads if the input reload
12460 is a SUBREG in which the inner part will need reloading.
12462 * global.c (global_alloc): Avoid passing dumpfile argument to
12464 * toplev.c (rest_of_compilation): Likewise.
12465 * reload.h (reload): Remove dumpfile argument. Callers changed.
12466 (debug_reload, debug_reload_to_stream): Move prototypes here.
12467 * rtl.h (reload): Remove dumpfile argument.
12468 * reload.c (debug_reload): Remove prototype.
12469 (debug_reload_to_stream): Likewise.
12470 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
12473 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
12475 * diagnostic.c (context_as_prefix): Export.
12476 (need_error_newline): Remove.
12477 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
12478 (error_module_changed, record_last_error_module,
12479 error_function_changed, record_last_error_function): New functions.
12480 (initialize_diagnostics): Default intialize
12481 lang_diagnostic_starter, lang_diagnostic_finalizer.
12482 (init_output_buffer): Tweak.
12483 (file_name_as_prefix): New function.
12484 (announce_function, default_print_error_function,
12485 report_error_function, set_diagnostic_context): Tweak.
12487 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
12489 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
12490 condition expression.
12492 2000-08-20 Richard Henderson <rth@cygnus.com>
12494 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
12496 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
12498 * cppinit.c (cpp_init): Set global flag when called.
12499 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
12501 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
12503 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
12504 before `process_directive' so that newlines won't be missed
12506 (cpp_printf): Increment `print->lineno' when newline is emitted.
12508 * cppmain.c (cb_ident): Likewise.
12509 (cb_define): Likewise.
12510 (cb_undef): Likewise.
12511 (cb_include): Likewise.
12512 (cb_def_pragma): Likewise.
12513 (dump_macros_helper): Likewise.
12515 2000-08-20 Richard Henderson <rth@cygnus.com>
12517 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
12518 assigned before a loop.
12520 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
12521 (ashrsi3, lshrsi3): Likewise.
12523 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
12525 * c-lang.c: #include diagnostic.h
12526 (c_tree_printer): New function.
12527 (lang_init): Initialize lang_printer.
12529 * Makefile.in (c-lang.o): Depends on diagnostic.h
12531 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
12533 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
12535 * diagnostic.c (default_diagnostic_starter,
12536 default_diagnostic_finalizer): New functions.
12537 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
12538 (pedwarn, pedwarn_with_file_and_line, error,
12539 error_with_file_and_line, fatal, warning,
12540 warning_with_file_and_line): Adjust call to report_diagnostic.
12541 (report_diagnostic): Rework.
12542 (set_diagnostic_context): New function.
12544 * diagnostic.h (struct diagnostic_context): New data structure.
12545 (diagnostic_message, diagnostic_argument_list,
12546 diagnostic_file_location, diagnostic_line_location,
12547 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
12548 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
12549 (set_diagnostic_context): Declare.
12550 (report_diagnostic): Change prototype.
12552 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
12554 * fix-header.c (main): Initialize cpplib.
12556 2000-08-19 Michael Meissner <meissner@redhat.com>
12558 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
12559 instructions in it before checking for indirect jumps.
12561 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
12562 in a indirect jump as a potential for conditional execution.
12564 * d30v.h (d30v_init_expanders): Don't declare here.
12565 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
12568 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
12570 * cpp.texi: Add @section for assertions.
12572 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
12574 * loop.c (scan_loop): Use CONST_CALL_P instead of
12575 checking for REG_LIBCALL / REG_RETVAL.
12577 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
12579 * reload1.c (reload_as_needed): Accept dumpfile argument,
12580 pass it to emit_reload_insns.
12581 (emit_reload_insns): Add new dumpfile argument. If non-null
12582 then dump the reloads for each insn into the dumpfile.
12583 (reload): Pass dumpfile to reload_as_needed.
12585 * invoke.texi: Clean up linux-gnu vs linux comments.
12587 2000-08-19 Richard Henderson <rth@cygnus.com>
12589 * config/ia64/ia64.c (reg_or_5bit_operand): New.
12590 (ia64_depz_field_mask): New.
12591 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
12592 (PREDICATE_CODES): Update.
12593 * config/ia64/ia64.md: Update commentary.
12594 (depz_internal): New.
12595 (ashlsi3): Implement directly.
12596 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
12597 (ashldi3): Use shladd.
12598 * config/ia64/ia64-protos.h: Update.
12600 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
12602 * toplev.c (independent_decode_option): Always process -g.
12603 Remove third argument, now unused. Adjust caller to match.
12605 2000-08-18 Richard Henderson <rth@cygnus.com>
12607 * combine.c (make_compound_operation): Break after creating
12610 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
12612 * cpplib.c (cpp_register_pragma_space): Just return if the
12613 namespace is already registered.
12615 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
12617 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
12618 constant amount. Do not generate ROTL instruction.
12620 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
12622 * config/sh/elf.h: Do not include sh/sh.h.
12623 * config/sh/rtems.h: Likewise.
12624 * config/sh/rtemself.h: Do not include sh/elf.h.
12625 * configure.in: Get them included with `tm_file's.
12626 * configure: Rebuilt.
12628 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
12629 * config/sh/sh.c (fpscr_set_from_mem): Use them.
12631 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12633 * stor-layout.c (compute_record_type): Don't use mode of single
12634 field as mode of record if not integer mode of same type.
12636 * regmove.c (perhaps_ends_bb_p): New function.
12637 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
12638 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
12639 (fixup_match_1): Likewise.
12640 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
12641 avoid signed/unsigned warnings.
12643 * function.c (fixup_var_refs_1, case MEM): Update CODE after
12646 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
12648 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
12649 (_cpp_trigraph_map): Declaration moved from cpplex.c
12651 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
12652 instead of 256. Use consistent test for designated initializers.
12653 (cpp_init): Initialize trigraph_map.
12654 (initialize_standard_includes, parse_option): Use memcmp
12655 instead of strncmp.
12657 * cpplex.c (init_trigraph_map): Remove.
12658 (trigraph_ok, trigraph_replace, lex_line): Refer to
12661 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
12662 (do_unassert): Remove unused "next" local.
12664 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
12666 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
12668 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
12671 2000-08-17 Richard Henderson <rth@cygnus.com>
12673 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
12674 the first insn in a sequence.
12676 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
12678 * alias.c (true_dependence, write_dependence_p): A read
12679 involving a label_ref or the constant pool doesn't create
12682 * rtl.h (unchanging): Improve documentation.
12684 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
12686 * cse.c (insert_regs): Remove unused `regno'.
12688 2000-08-17 Neil Booth <NeilB@earthling.net>
12690 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
12691 remove_dup_dirs. If qtail == brack, remove brack not
12693 (remove_dup_dir, remove_dup_dirs): New functions.
12695 2000-08-17 Neil Booth <NeilB@earthling.net>
12697 * cppinit.c (cpp_cleanup): Free include dir chains.
12698 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
12699 (do_unassert): Free the assert with _cpp_free_definition.
12700 * cppmacro.c (_cpp_free_definition): Free memory allocated for
12701 assertions. Make the node a T_VOID node.
12703 2000-08-17 Neil Booth <NeilB@earthling.net>
12705 * cppinit.c (path_include, append_include_chain):
12706 Remove 2nd parameter (struct cpp_pending *).
12707 (path_include, initialize_standard_includes, cpp_handle_option):
12708 Update callers appropriately.
12709 (cpp_handle_option): Use pend.
12711 2000-08-17 Neil Booth <NeilB@earthling.net>
12713 * cppinit.c (sort_options): Remove, put functionality in
12716 (initialize_builtins): Free memory.
12717 (cpp_start_read): Move init_IStable to cpp_init.
12719 * cpplib.h (cpp_init): New prototype.
12720 * cppmain.c (main): Call cpp_init.
12722 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
12724 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
12725 (rtx_unstable_p, rtx_varies_p): Process vectors.
12727 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
12729 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
12730 references to GLOBAL symbols. Use LOCAL where appropriate.
12732 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12734 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
12735 use t-aix41 when host == target.
12737 2000-08-16 Richard Henderson <rth@cygnus.com>
12739 * reload.c (push_secondary_reload): Revert last change.
12740 If we use a reload_in/out pattern, make the when the same
12741 as the primary reload.
12742 (find_reloads): Likewise.
12744 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
12746 * configure.in (libstdcxx-v3): Fix test.
12747 * configure: Regenerate.
12749 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12751 * calls.c (calls_function_1, expand_call): Only test
12752 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
12753 * function.c (thread_prologue_and_epilogue_insns): Likewise.
12755 2000-08-16 Richard Henderson <rth@cygnus.com>
12757 * combine.c (simplify_shift_const): Revert previous two
12758 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
12759 before the main loop.
12761 2000-08-15 Richard Henderson <rth@cygnus.com>
12763 * combine.c (simplify_shift_const): Bound shift count when
12766 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12768 * calls.c (ECF_SP_DEPRESSED): New macro.
12769 (calls_function_1): Treat calling sp-depressed function as alloca.
12770 (emit_call_1): Don't adjust SP if calling sp-depressed function.
12771 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
12772 If sp-depressed, ensure block saves and restores SP.
12773 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
12775 * function.c (keep_stack_depressed): New function.
12776 (thread_prologue_and_epilogue_insns): Call it.
12777 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
12778 to print DECL_OFFSET_ALIGN.
12779 Print no-force-blk and transparent-union flags properly.
12780 * stmt.c (expand_goto_internal): Don't restore stack if last block
12781 and function returns with sp depressed.
12782 (fixup_gotos): Likewise.
12783 (save_stack_pointer): New function, from code in expand_decl.
12784 (expand_decl): Call new function.
12785 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
12786 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
12787 (save_stack_pointer): New declaration.
12789 * diagnostic.c (fatal_function): New variable.
12790 (set_fatal_function): New function.
12792 * diagnostic.h (set_fatal_function): New declaration.
12794 2000-08-15 William Cohen <wcohen@redhat.com>
12796 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
12797 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
12798 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
12800 2000-08-15 Richard Henderson <rth@cygnus.com>
12802 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
12804 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
12806 * arm.c (arm_function_ok_for_sibcall): New function.
12807 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
12808 * arm.md (call expanders): Don't check here for calls that can't
12811 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
12813 * arm.md (splits generating cond_exec): Disable.
12815 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
12817 * arm/linux-elf.h (text_section): Delete declaration.
12819 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
12821 ARM support for unordered FP operations.
12822 * arm-protos.h (arm_comparison_operator): Declare.
12823 * arm.c (arm_comparison_operator): New function.
12824 (arm_select_cc_mode): Add unordered comparison codes.
12825 (get_arm_condition_code): Likewise.
12826 (arm_final_prescan_insn): Can't handle unordered jumps that can't
12827 be done in one insn.
12828 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
12829 * arm.md (all uses of comparison_operator): Replace with
12830 arm_comparison_operator.
12831 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
12833 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
12836 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
12838 * gthr-posix.h: Conditionally include <sched.h>; include
12839 <config.h> from libobjc/.
12841 2000-08-14 Richard Henderson <rth@cygnus.com>
12843 * config/i386/i386.c (legitimize_pic_address): Use Pmode
12846 2000-08-14 Richard Henderson <rth@cygnus.com>
12848 * configure.in (ia64-*): Set float_format for i386 long double.
12850 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
12851 as we would for i386 XFmode.
12852 (PUT_REAL): Likewise.
12853 (endian, ereal_atof, real_value_truncate): Likewise.
12854 (ereal_isneg, toe64, etens, make_nan): Likewise.
12855 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
12857 * config/ia64/ia64-protos.h: Update.
12858 * config/ia64/ia64.c (general_tfmode_operand): New.
12859 (destination_tfmode_operand): New.
12860 (tfreg_or_fp01_operand): New.
12861 (ia64_split_timode): New.
12862 (spill_tfmode_operand): New.
12863 (ia64_expand_prologue): Use TFmode not XFmode.
12864 (ia64_expand_epilogue): Likewise.
12865 (ia64_function_arg): Likewise.
12866 (ia64_function_arg_advance): Likewise.
12867 (ia64_return_in_memory): Likewise.
12868 (ia64_function_value): Likewise.
12869 (ia64_print_operand): Likewise.
12870 (ia64_register_move_cost): Set GR<->FR to 5.
12871 (ia64_secondary_reload_class): Get GR for TImode memory op.
12872 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
12873 (ROUND_TYPE_ALIGN): Remove.
12874 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
12875 (INTEL_EXTENDED_IEEE_FORMAT): Define.
12876 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
12877 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
12878 (MODES_TIEABLE_P): Use TFmode, not XFmode.
12879 (CLASS_MAX_NREGS): Likewise.
12880 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
12881 (PREDICATE_CODES): Update.
12882 * config/ia64/ia64.md (movti): New.
12883 (movti_internal): Use a clobber for memory alternatives.
12884 (reload_inti, reload_outti): New.
12885 (movsfcc_astep): Predicate properly.
12886 (movdfcc_astep): Likewise.
12889 (extendsftf2, extenddftf2): New.
12890 (trunctfsf2, trunctfdf2): New.
12891 (floatditf2, fix_trunctfdi2): New.
12892 (floatunsditf2, fixuns_trunctfdi2): New.
12893 (addtf3, subtf3, multf3, abstf2): New.
12894 (negtf2, nabstf2, mintf3, maxtf3): New.
12895 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
12897 (fr_spill): Use TFmode, not XFmode.
12898 (fr_restore): Likewise.
12899 * config/ia64/lib1funcs.asm (__divtf3): New.
12900 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
12902 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12904 * cse.c (fold_rtx): Avoid empty body in an if-statement.
12906 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
12907 `U' integer constant suffix.
12909 * dwarf2out.c (add_subscript_info): Avoid empty body in an
12912 * sparc/sol2.h (__enable_execute_stack): Prototype.
12914 2000-08-14 David Edelsohn <edelsohn@gnu.org>
12916 * collect2.c: Remove use of AIX import file.
12918 * longlong.h: Test ARCH_PWR not ARCH_POWER.
12920 * rs6000.c (print_operand, case 'E'): Add else.
12922 2000-08-14 Richard Henderson <rth@cygnus.com>
12924 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
12925 (movdi_symbolic): New.
12927 2000-08-14 Jim Wilson <wilson@cygnus.com>
12929 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
12930 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
12931 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
12934 2000-08-14 Richard Henderson <rth@cygnus.com>
12936 * expr.c (emit_group_load): Don't force constants into registers.
12937 Special case source already in the correct mode.
12939 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
12941 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
12942 * fixinc/inclhack.def: Likewise.
12943 * fixinc/mkfixinc.sh: Likewise.
12944 * configure: Regenerate.
12945 * fixinc/fixincl.x: Regenerate.
12946 * install.texi: Document equivalence of linux and linux-gnu.
12948 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12950 * cse.c (insert_regs): Also in REG case: When finding an invalid
12951 value, and we make a new quantity, make sure that it won't be
12952 mistaken by for a valid one by mention_regs.
12954 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
12956 * h8300.md: Remove obsolete peepholes.
12958 2000-08-13 Kazu Hirata <kazu@hxi.com>
12960 * invoke.texi (H8/300 Options): Fix typos.
12961 * config/h8300.c: Fix formatting.
12962 * config/h8300.h: Fix comment typos.
12963 (OVERRIDE_OPTIONS): Fix formatting.
12965 * function.c: Fix formatting.
12967 * cse.c: Fix formatting.
12969 2000-08-13 Geoff Keating <geoffk@cygnus.com>
12971 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
12972 (attempt_auto_inc): Suppress parentheses warning.
12973 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
12974 * loop.c (load_mems): Remove `u' suffix in two places.
12975 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
12977 * config/rs6000/rs6000.h: Likewise.
12978 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
12979 __eabi dummy routine.
12980 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
12981 variable `buf_ptr'.
12983 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
12984 not put stuff in .sdata unnecessarily.
12985 (rs6000_unique_section): New function.
12986 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
12987 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
12989 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
12990 arrays in C99. Don't try to look at DECL_REGISTER of a
12991 COMPONENT_REF. Don't complain twice about the same error.
12993 * fixinc/inclhack.def (aix_pthread): New fix.
12994 (aix_sysmachine): New fix.
12995 * fixinc/fixincl.x: Regenerate.
12997 * expr.c (expand_expr): Call convert_modes when turning a large
12998 multiply into a small one.
13000 2000-08-12 Geoff Keating <geoffk@cygnus.com>
13002 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
13003 the tree structure an exponent rather than an explicit alignment
13004 so it doesn't overflow.
13005 (SET_DECL_OFFSET_ALIGN): New macro.
13006 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
13007 rather than DECL_OFFSET_ALIGN.
13008 (place_field): Likewise.
13009 * expmed.c (store_bit_field): Abort on align==0 to avoid
13010 antisocial machine behaviour.
13012 2000-08-12 Richard Henderson <rth@cygnus.com>
13014 * sibcall.c (uses_addressof): Accept both addressof and
13015 current_function_internal_arg_pointer inside a mem.
13016 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
13017 if current_function_uses_addressof.
13018 * stmt.c (expand_return): Kill tail recursion and HAVE_return
13021 2000-08-11 Richard Henderson <rth@cygnus.com>
13023 * config/ia64/ia64.md (addsi3): Remove expander.
13024 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
13025 (*addsi3_shladd): New.
13027 2000-08-11 Richard Henderson <rth@cygnus.com>
13029 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
13030 (do_restore): Likewise.
13031 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
13032 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
13033 (rtx_needs_barrier): Track actual bit manipulation for
13034 ar.unat moves, gr_spill, and gr_restore.
13035 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
13036 (process_set): Don't handle varargs spills.
13037 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
13038 .mem.offset here instead of in process_set.
13039 (gr_restore): Likewise.
13041 2000-08-11 Richard Henderson <rth@cygnus.com>
13043 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
13045 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
13047 * gcc.texi (The Configuration File): Document
13048 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
13049 UPDATE_PATH_HOST_CANONICALIZATION.
13051 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13053 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
13054 unprototyped function pointer casts on integer constants.
13056 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
13058 * fixproto: Recognize DOS paths with drive letters as absolute paths.
13060 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
13062 * extend.texi (Volatiles): Fix typos.
13064 2000-08-11 Kazu Hirata <kazu@hxi.com>
13066 * flow.c: Fix formatting.
13068 2000-08-11 Richard Henderson <rth@cygnus.com>
13070 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
13071 pattern, always allocate a tertiary scratch register.
13073 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
13074 (reload_inhi): Likewise.
13076 2000-08-11 Richard Henderson <rth@cygnus.com>
13078 * function.c (put_reg_into_stack): Allow type to be NULL.
13079 (schedule_fixup_var_refs): Likewise.
13080 (gen_mem_addressof): Allow decl to be NULL.
13081 (put_addressof_into_stack): Likewise.
13083 * flow.c (merge_blocks_nomove): Be more careful about
13084 locating the beginning of block A.
13086 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
13088 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
13093 * config.in: Reverted the check for <sched.h>.
13095 2000-08-10 Chris Demetriou <cgd@sibyte.com>
13097 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
13098 macros define the name of CTOR and DTOR sections.
13099 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
13100 DTOR_LIST_END): Change to use attributes to specify
13102 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
13103 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
13104 DTOR_LIST_END): Same as in mips/elf.h.
13106 2000-08-10 Drew Moseley <dmoseley@redhat.com>
13108 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
13109 disabling just crt0.o.
13111 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
13113 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
13114 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
13115 (EXTRA_SPECS): Add them.
13116 * arm/lib1funcs.asm: Support builds for interworking.
13117 Use macros to eliminate duplicated pieces of code.
13119 2000-08-10 Kazu Hirata <kazu@hxi.com>
13121 * h8300.c (expand_a_rotate): New.
13122 (emit_a_rotate): Likewise.
13123 (h8300_adjust_insn_length): Add support for the rotate insns.
13124 * h8300.md (rotlqi3): New.
13125 (*rotlqi3_1): Likewise.
13126 (rotlhi3): Likewise.
13127 (*rotlhi3_1): Likewise.
13128 (rotlhi3): Likewise.
13129 (*rotlhi3_1): Likewise.
13130 * h8300-proto.h: Add prototypes for expand_a_rotate and
13133 * h8300.c: Fix comment typos.
13134 (dosize): Declare the variable amount as unsigned.
13135 (get_shift_alg): Fix a comparison between signed and unsigned.
13136 (emit_a_shift): Likewise.
13137 (h8300_adjust_insn_length): Simplify the code.
13139 * c-decl.c: Fix formatting.
13141 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13143 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
13144 warning about non-traditional numeric constant suffixes.
13146 * cppexp.c (parse_number): Likewise.
13148 * invoke.texi: (-Wtraditional): Document new behavior.
13150 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
13152 * gthr-posix.h: Include auto-host.h. Conditionally include
13154 * configure.in: Check for the <sched.h> header file.
13155 * config.in: Added define for HAVE_SCHED_H.
13157 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13159 * c-typeck.c (process_init_element): For -Wtraditional, warn about
13160 initialization of unions.
13162 * invoke.texi (-Wtraditional): Document new behavior.
13164 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
13166 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
13167 instead of extra_c_flags.
13168 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
13169 * configure: Regenerate.
13170 * config.in: Regenerate.
13172 * cpperror.c (cpp_type2name): New function.
13173 * cpplex.c (lex_line): If we issued an error for an invalid
13174 preprocessing directive, discard that logical line.
13175 * cpplib.c (do_line): Call a hook function if the current file
13176 is renamed by #line.
13177 (do_ident): Pass the contents of the string, not the entire
13178 token, to the callback function.
13179 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
13180 (cb.rename_file): New hook function.
13181 (cb.ident): Adjust prototype.
13182 (cpp_type2name): Prototype.
13183 * cppmacro.c (dump_macro_args): Correct precedence lossage.
13185 * cppmain.c (cb_ident): Update for changed interface.
13186 (cb_rename_file): New function.
13187 (main): Set rename callback.
13189 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
13191 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
13192 multi-word registers.
13194 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
13196 * c-common.c (combine_strings, check_format_info): Refer to ISO C
13197 or ISO C89 instead of ANSI C.
13198 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
13199 build_enumerator, do_case): Likewise.
13200 * c-lex.c (parse_float, yylex): Likewise.
13201 * c-parse.in: Likewise.
13202 * c-typeck.c (common_type, build_array_ref, build_binary_op,
13203 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
13204 build_c_cast, convert_for_assignment, set_init_index,
13205 set_init_label, c_expand_start_case): Likewise.
13206 * toplev.c (documented_lang_options, display_help): Likewise.
13208 2000-08-08 Kazu Hirata <kazu@hxi.com>
13210 * h8300.c: Fix formatting.
13211 * h8300.h: Likewise.
13212 * h8300.md: Likewise.
13213 (movsi_h8300hs): Fix formatting of the resulting assembly code.
13215 * reload1.c: Fix formatting.
13217 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
13219 * alpha/alpha.c (alpha_emit_xfloating_libcall):
13220 Use GEN_CALL_VALUE define.
13221 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
13222 * clipper/clipper.md (untyped_call): Likewise.
13223 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
13224 * fx80/fx80.md (untyped_call): Likewise.
13225 * mips/mips.md (untyped_call): Likewise.
13226 * ns32k/ns32k.md (untyped_call): Likewise.
13227 * pa/pa.md (untyped_call): Likewise.
13228 * romp/romp.md (untyped_call): Likewise.
13229 * sparc/sparc.md (untyped_call): Likewise.
13231 2000-08-08 Jason Eckhardt <jle@cygnus.com>
13233 * config/i860/i860.c (singlemove_string): Do not generate assembler
13234 pseudo instructions that must be expanded (that is, with signed
13235 constants larger than 16 bits).
13237 2000-08-08 Richard Henderson <rth@cygnus.com>
13239 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
13240 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
13241 (init_propagate_block_info): Don't kill memory stores at -O0.
13242 (mark_set_1, mark_used_regs): Likewise.
13244 2000-08-08 David Edelsohn <edelsohn@gnu.org>
13246 * rs6000.c (optimization_options): Decorate 'level' as
13248 (mask64_operand): Remove sign-extend thinko.
13249 (rldic_operand): New function.
13250 (load_multiple_operation): regno's are unsigned ints.
13251 (store_multiple_operation): Likewise.
13252 (lmw_operation): Likewise.
13253 (stmw_operation): Likewise.
13254 (includes_lshift_p): shift_mask is unsigned int.
13255 (includes_lshift64_p): New function.
13256 (addrs_ok_for_quad_peep): unsigned int reg1.
13257 (print_operand): Consistently add "else" after
13258 output_operand_lossage().
13259 (print_operand, case 'b'): Fold in case 'W'.
13260 (print_operand, case 'W'): Print rldic MB value.
13261 (output_epilogue): Update Objective-C language string.
13262 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
13263 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
13264 * rs6000.md (ashldi3): Add rldic instruction.
13265 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
13266 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
13269 2000-08-08 Richard Henderson <rth@cygnus.com>
13271 * config/ia64/ia64-protos.h: Remove duplicates. Update
13272 for massive code rearrangements.
13273 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
13274 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
13275 (ia64_local_regs, ia64_need_regstk): Remove.
13276 (ar_ccv_reg_operand): New.
13277 (ia64_gp_save_reg): New.
13278 (struct ia64_frame_info): Combine most of the size elements;
13279 add new gr save elements.
13280 (find_gr_spill): New.
13281 (next_scratch_gr_reg): New.
13282 (mark_reg_gr_used_mask): New.
13283 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
13284 to GR backing store regs when possible.
13285 (ia64_initial_elimination_offset): New.
13286 (ia64_rap_fp_offset): Remove.
13287 (save_restore_insns): Remove.
13288 (setup_spill_pointers): New.
13289 (finish_spill_pointers): New.
13290 (spill_restore_mem): New.
13291 (do_spill, do_restore): New.
13292 (ia64_expand_prologue): Rewrite to use them.
13293 (ia64_expand_epilogue): Likewise.
13294 (ia64_direct_return): Update for current_frame_info changes.
13295 (ia64_function_prologue): Simplify .prologue emission. Emit
13296 .spill when needed.
13297 (ia64_setup_incoming_varargs): Don't ever emit rtl.
13298 (ia64_dbx_register_number): New.
13299 (ia64_initialize_trampoline): New.
13300 (ia64_secondary_reload_class): Request GR_REGS for integer
13301 arithmetic destined for FR_REGS.
13302 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
13303 (ia64_mark_machine_status): Mark ia64_gp_save.
13304 (rws_access_regno): Rename from rws_access_reg; don't treat
13305 predicates specially.
13306 (rws_access_reg): New. Update all callers.
13307 (rtx_needs_barrier): Remove dead unspecs.
13308 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
13309 (ia64_encode_section_info): Silence signed/unsigned warnings.
13310 (spill_offset, sp_offset, spill_offset_emitted): Remove.
13311 (tmp_reg, tmp_saved): Remove.
13312 (process_set): Rewrite to expect complicated bits via
13313 REG_FRAME_RELATED_EXPR.
13314 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
13315 in the use of ar.ccv; never set RTX_UNCHANGING_P.
13316 (ia64_expand_op_and_fetch): Likewise.
13317 (ia64_expand_compare_and_swap): Likewise.
13318 (ia64_expand_builtin): Likewise.
13319 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
13320 (FIRST_PSEUDO_REGISTER): Update.
13321 (AR_M_REGNO_P): Update.
13322 (FIXED_REGS): Don't mark three local registers as used.
13323 (EXTRA_CC_MODES): New.
13324 (SELECT_CC_MODE): New.
13325 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
13326 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
13327 (FRAME_GROWS_DOWNWARD): Unset.
13328 (STARTING_FRAME_OFFSET): Zero.
13329 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
13330 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
13331 (HARD_FRAME_POINTER_REGNUM): New.
13332 (CAN_DEBUG_WITHOUT_FP): Define.
13333 (TRAMPOLINE_TEMPLATE): Remove.
13334 (TRAMPOLINE_SIZE): Lower to 32.
13335 (TRAMPOLINE_ALIGNMENT): Lower to 64.
13336 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
13337 (PREDICATE_CODES): Update.
13338 (struct machine_function): Add ia64_gp_save.
13339 * config/ia64/ia64.md: Purge unused unspecs.
13340 (movsi patterns): Allow moves to/from AR_M_REGS.
13341 (movdi patterns): Allow moves to/from p0.
13342 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
13343 (gr_spill, gr_restore): Indicate ar.unat read/written.
13344 (nonlocal_goto): Don't pass old frame_pointer.
13345 (nonlocal_goto_receiver): Remove.
13346 (exception_receiver): New.
13347 (builtin_setjmp_setup): New.
13348 (builtin_setjmp_receiver): New.
13349 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
13350 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
13351 (__ia64_restore_stack_nonlocal): Likewise.
13352 (__ia64_trampoline): New.
13353 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
13355 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
13357 2000-08-08 Richard Henderson <rth@cygnus.com>
13359 * frame.h (ia64_frame_state): Add my_psp.
13360 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
13361 (__throw): Pass it in. Don't clobber r7.
13362 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
13363 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
13364 and nothing to do with sp.
13365 (normalize_reg_loc): Use frame->my_psp.
13366 (frame_translate): Handle frame-pointer-less functions. Set
13367 spill_base correctly, in absence of being told.
13368 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
13369 (__ia64_backtrace_helper): New sp argument. Use
13370 builtin_return_address instead of label addresses.
13371 (print_record) [mem_stack_v]: No size member.
13373 2000-08-08 Richard Henderson <rth@cygnus.com>
13375 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
13377 2000-08-08 Richard Henderson <rth@cygnus.com>
13379 * tm.texi (LOCAL_REGNO): Document.
13380 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
13381 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
13382 * reload1.c (reload): Likewise when considering nonlocal labels.
13384 * config/ia64/ia64.h (LOCAL_REGNO): New.
13385 * config/sparc/sparc.h (LOCAL_REGNO): New.
13387 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
13389 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
13391 2000-08-07 Nick Clifton <nickc@redhat.com>
13393 * config/mips/mips.c: Fix compile time warning messages.
13394 * config/mips/mips-protos.h: Add prototype for equality_op.
13396 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
13398 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
13400 * mn10300.md: Use nonimmediate_operand instead of general_operand
13401 on output operands.
13403 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
13405 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
13407 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
13408 * sh.c (expand_block_move): Break long lines.
13409 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
13410 * sh.md (mulsi3): Likewise.
13411 (movdi): Adjust spacing.
13413 2000-08-07 Richard Henderson <rth@cygnus.com>
13415 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
13416 * expr.c (emit_group_store): Don't set it.
13418 2000-08-07 Kazu Hirata <kazu@hxi.com>
13420 * invoke.texi (Options for Debugging Your Program or GCC): Remove
13421 duplicate entries for 'w' and 'z'.
13423 * flow.c: Fix a comment typo.
13425 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
13427 * c-parse.in: Changed the language string for Objective-C to "GNU
13430 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
13432 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
13433 to improve the Posix thread support for Objective-C.
13435 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
13437 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
13438 CTI_UNSIGNED_PTRDIFF_TYPE.
13439 (signed_size_type_node): Define.
13440 (unsigned_ptrdiff_type_node): Define.
13441 * c-decl.c (init_decl_processing): Create the
13442 signed_size_type_node and unsigned_ptrdiff_type_node types.
13443 * c-common.c (T_SC): Define.
13446 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
13447 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
13449 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
13450 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
13451 flags for %c, %s and %[.
13452 (check_format_info): Only allow leniency for signedness of targets
13453 of character pointers (when pedantic) for formats flagged with
13454 "c", so for strings but not for %hh formats. When pedantic, don't
13455 allow character pointers to substitute for void pointers if a
13456 second level of indirection is present.
13458 2000-08-06 Kazu Hirata <kazu@hxi.com>
13460 * invoke.texi (Options for Debugging Your Program or GCC): Update
13461 the names of dump files.
13463 * h8300.c (dosize): Rearrange code for conciseness.
13464 (split_adds_subs): Likewise.
13466 * loop.c: Fix formatting.
13468 * dwarf2out.c: Fix formatting.
13470 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
13472 * expr.c: Fix formatting.
13474 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13476 * rs6000.c (rs6000_maybe_dead): Prototype.
13478 2000-08-06 Richard Henderson <rth@cygnus.com>
13480 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
13481 HAVE_nonlocal_goto as well.
13482 * config/i960/i960.md (nonlocal_goto): Don't do it here.
13483 * config/pj/pj.md (nonlocal_goto): Likewise.
13485 2000-08-07 Michael Hayes <mhayes@cygnus.com>
13487 * loop.c (try_swap_copy_prop): New function.
13488 (load_mems): Rename copies to load_copies and add new regset
13489 store_copies. Check for sets of shadow registers and mark
13490 in store_copies. Call try_swap_copy_prop for registers
13491 marked in store_copies.
13493 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
13495 * objc/objc-act.c: New command line option -fconstant-string-class
13496 to allow specifying a user defined constant string class,
13497 different from NXConstantString.
13499 * toplev.c: Moved the Objective-C specific options to
13500 objc/lang-options.h.
13502 * objc/lang-options.h: Moved the Objective-C specific options from
13503 toplev.c. Added -fconstant-string-class.
13505 2000-08-05 Chris Demetriou <cgd@sibyte.com>
13507 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13508 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
13509 __CTOR_LIST__ from func_ptr array to just func_ptr, to
13510 avoid extra alignment imposed on arrays.
13511 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13512 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
13514 * mips.h: Clean up comments and spacing near MASKs.
13515 (TARGET_UNIX_ASM): Delete.
13516 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
13517 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
13520 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
13522 * c-common.c (print_char_table): Add entries for the X/Open '
13523 format flag (print decimals with locale's thousands grouping
13524 character). Make %C expect wint_t.
13525 (check_format_info): If pedantic, warn when the %n$ operand
13526 number form is used. Allow for the ' flag; warn about it if
13529 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
13531 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
13532 type is a float mode, cfun->decl's return type is not, and
13533 TARGET_FLOAT_RETURNS_IN_80387.
13535 2000-08-04 Andreas Schwab <schwab@suse.de>
13537 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
13538 token list, which are always `#' and `pragma'.
13540 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
13542 * tree.c (tree_expr_nonnegative_p): Move to...
13543 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
13544 (rtl_expr_nonnegative_p): New.
13545 * tree.h: Add prototype for rtl_expr_nonnegative_p.
13547 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
13548 CONST_DOUBLE_CHAIN: Move to...
13549 * rtl.h: ...here. Use XCINT/XCEXP.
13551 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
13552 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
13553 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
13556 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
13558 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13560 * config/c4x/c4x.md (return_indirect_internal): New.
13561 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
13563 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
13565 * c-common.c (time_char_table): Mark up formats added in C99 and
13566 make other corrections. %D and %g were added in C99. %Og is an
13567 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
13568 C99. %e was added in C99. %Oj is an extension. %G and %z are in
13569 C99 rather than GNU extensions, but %OG and %Oz are extensions.
13570 %h was added in C99. %C was added in C99. %OY and %OC are
13571 extensions. Add the C99 format %F.
13572 (check_format_info): If pedantic and not in C99 mode, warn for C99
13573 formats, %E and %O.
13575 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13577 * function.c (schedule_fixup_var_refs): New function, broken out
13578 of put_reg_into_stack.
13579 (put_reg_into_stack): Use it.
13580 (put_var_into_stack): In CONCAT case, fixup up references for
13581 components only after fixing up references to the whole concat.
13583 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
13585 * alias.c (mark_constant_function): Use INSN_P.
13586 (init_alias_analysis): Likewise.
13587 * combine.c (combine_instructions): Use INSN_P.
13588 (can_combine_p): Likewise.
13589 (try_combine): Likewise.
13590 (distribute_notes): Likewise.
13591 (distribute_links): Likewise.
13592 * cse.c (cse_around_loop): Use INSN_P.
13593 (invalidate_skipped_block): Likewise.
13594 (cse_set_around_loop): Likewise.
13595 (cse_end_of_basic_block): Likewise.
13596 (delete_trivially_dead_insns): Likewise.
13597 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
13598 (unshare_all_rtl_1): Likewise.
13599 (next_cc0_user): Likewise.
13600 (try_split make_insn_raw): Likewise.
13601 (remove_unnecessary_notes): Likewise.
13602 * final.c (shorten_branches): Use INSN_P.
13603 (leaf_renumber_regs): Likewise.
13604 (leaf_renumber_regs_insn): Likewise.
13605 * flow.c (find_label_refs): Use INSN_P.
13606 (verify_wide_reg): Likewise.
13607 (notice_stack_pointer_modification): Likewise.
13608 (count_or_remove_death_notes): Likewise.
13609 (verify_flow_info): Likewise.
13610 (clear_log_links): Likewise.
13611 * function.c (fixup_var_refs_insns): Use INSN_P.
13612 (compute_insns_for_mem): Likewise.
13613 * gcse.c (alloc_gcse_mem): Use INSN_P.
13614 (compute_sets): Likewise.
13615 (compute_hash_table): Likewise.
13616 (classic_gcse): Likewise.
13618 (insert_insn_end_bb): Likewise.
13619 (delete_null_pointer_checks_1): Likewise.
13620 * global.c (expand_preferences): Use INSN_P.
13621 (build_insn_chain): Likewise.
13622 * graph.c (node_data): Use INSN_P.
13623 * haifa-sched.c (priority): Use INSN_P.
13624 (rm_line_notes): Likewise.
13625 (rm_other_notes): Likewise.
13626 (find_insn_reg_weight): Likewise.
13627 (init_target_units): Likewise.
13628 (schedule_block): Likewise.
13629 (compute_block_forward_dependences): Likewise.
13630 (debug_dependencies): Likewise.
13631 (set_priorities): Likewise.
13632 * integrate.c (function_cannot_inline_p): Use INSN_P.
13633 (save_parm_insns): Likewise.
13634 (copy_insn_list): Likewise.
13635 * jump.c (mark_all_labels): Use INSN_P.
13636 (never_reached_warning): Likewise.
13637 * lcm.c (optimize_mode_switching): Use INSN_P.
13638 * local-alloc.c (validate_equiv_mem): Use INSN_P.
13639 (memref_used_between_p): Likewise.
13640 (update_equiv_regs): Likewise.
13641 (block_alloc): Likewise.
13642 (no_conflict_p): Likewise.
13643 * loop.c (scan_loop): Use INSN_P.
13644 (find_and_verify_loops): Likewise.
13645 (count_loop_regs_set): Likewise.
13646 (loop_reg_used_before_p): Likewise.
13647 (strength_reduce): Likewise.
13648 (recombine_givs): Likewise.
13649 (check_dbra_loop): Likewise.
13650 (load_mems): Likewise.
13651 (try_copy_prop): Likewise.
13652 * print-rtl.c (print_rtx): Use INSN_P.
13653 * recog.c (find_single_use): Use INSN_P.
13654 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
13655 (next_flags_user): Likewise.
13656 (swap_rtx_condition): Likewise.
13657 * regmove.c (mark_flags_life_zones): Use INSN_P.
13658 (optimize_reg_copy_1): Likewise.
13659 (optimize_reg_copy_2): Likewise.
13660 (optimize_reg_copy_3): Likewise.
13661 (reg_is_remote_constant_p): Likewise.
13662 (fixup_match_2): Likewise.
13663 (regmove_optimize): Likewise.
13664 (fixup_match_1): Likewise.
13665 * regrename.c (build_def_use): Use INSN_P.
13666 (replace_reg_in_block): Likewise.
13667 (consider_use): Likewise.
13668 * reload.c (find_equiv_reg): Use INSN_P.
13669 * reload1.c (reload): Use INSN_P.
13670 (maybe_fix_stack_asms): Likewise.
13671 (calculate_needs_all_insns): Likewise.
13672 (reload_as_needed): Likewise.
13673 (emit_output_reload_insns): Likewise.
13674 (delete_address_reloads_1): Likewise.
13675 (reload_cse_regs_1): Likewise.
13676 (reload_combine): Likewise.
13677 (reload_cse_move2add): Likewise.
13678 * reorg.c (redundant_insn): Use INSN_P.
13679 (dbr_schedule): Likewise.
13680 * resource.c (find_dead_or_set_registers): Use INSN_P.
13681 (mark_target_live_regs): Likewise.
13682 * rtlanal.c (reg_used_between_p): Use INSN_P.
13683 (reg_referenced_between_p): Likewise.
13684 (reg_set_between_p): Likewise.
13685 (reg_set_p): Likewise.
13686 (single_set): Likewise.
13687 (multiple_sets): Likewise.
13688 (find_last_value): Likewise.
13689 (reg_set_last): Likewise.
13690 (find_reg_note): Likewise.
13691 (find_regno_note): Likewise.
13692 * sibcall.c (sequence_uses_addressof): Use INSN_P.
13693 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
13694 * ssa.c (find_evaluations): Use INSN_P.
13695 (rename_block): Likewise.
13696 (rename_equivalent_regs): Likewise.
13697 * unroll.c (loop_find_equiv_value): Use INSN_P.
13698 (set_dominates_use): Likewise.
13699 * varasm.c (mark_constant_pool): Use INSN_P.
13700 (mark_constants): Likewise.
13701 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
13702 (alphaev4_next_group): Likewise.
13703 (alphaev5_next_group): Likewise.
13704 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
13705 (c4x_rptb_rpts_p): Likewise.
13706 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
13707 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
13708 (rs6000_adjust_priority): Likewise.
13709 * config/sh/sh.c (sh_loop_align): Use INSN_P.
13710 (machine_dependent_reorg): Likewise.
13711 (split_branches): Likewise.
13712 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
13714 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
13716 * combine.c (recog_for_combine): Remove the old notes
13717 prior to attempting to recognize the new pattern.
13718 (distribute_notes): Ignore REG_NONNEG notes.
13720 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
13722 * varasm.c (output_constructor): Add .align 0 for packed vars.
13724 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
13726 * configure.in: Use default thread_file even when enable_threads is
13727 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
13728 * configure: Rebuilt.
13730 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
13732 2000-08-04 Donn Terry (donnte@microsoft.com)
13734 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
13736 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
13738 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
13739 Delete code that conditionally modifies 'version'.
13740 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
13741 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
13742 * gcc.c (main): Use it.
13743 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
13744 * prefix.c (update_path): Use it.
13745 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
13746 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
13747 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
13749 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
13750 (SUBTARGET_SWITCHES): Adjust.
13751 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
13753 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
13755 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
13757 * c-common.h (flag_isoc94): Declare.
13758 * c-decl.c (flag_isoc94): Define.
13759 (c_decode_option): Set flag_isoc94 as appropriate.
13760 * c-common.c (T_PD, T_IM, T_UIM): Define.
13761 (format_char_info): Add tlen and jlen.
13762 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
13764 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
13766 (time_char_table): Add NULL entries for %t and %j.
13767 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
13768 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
13769 Warn for printf %lf if pedantic and not C99. Don't warn for empty
13770 precision. Allow precision argument to be unsigned int. If
13771 pedantic, warn for %p passed an argument not a pointer to possibly
13772 qualified void or a possibly qualified character type, and for
13773 pointer targets of the wrong sign, except for character pointers.
13775 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
13777 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
13778 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
13779 (wint_type_node): Define.
13780 * c-decl.c (WINT_TYPE): Define.
13781 (init_decl_processing): Create the wint_type_node type.
13782 * c-common.c (T_WI): Define.
13783 (print_char_table): Use T_WI for %lc format.
13785 2000-08-04 Bruce Korb <bkorb@gnu.org>
13787 * fixinc/: Verified that the MSDOS patch does not break
13788 the UNIX functionality and applied the next three patches
13791 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
13793 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
13794 output file with the temporary one by appending ".X" to generate
13795 the temporary fuile's name. If the output file already has an
13796 extension, replace it with ".X".
13798 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
13799 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
13800 reallocate the command buffer while copying the command-line
13801 argument. Redirect the output directly to the temporary file,
13802 instead of going through another temporary file.
13803 (process): Close the temporary file before unlinking it.
13804 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
13805 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
13806 (run_compiles): Pass p_fixd argument to machine_matches, as it
13809 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
13810 environment, assume there are no symlinks in the include
13811 directory. When cleaning up the DONE files, look for them
13812 case-insensitively. Don't try to remove symlinks if they aren't
13815 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
13816 all callers changed. Declare pz "const char *", to avoid compiler
13819 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
13820 Change prototype of make_raw_shell_str.
13822 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
13824 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
13825 (initialize) [__MSDOS__]: Use tempnam.
13826 (initialize): Don't use SIGPIPE if it is not defined.
13828 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
13831 2000-07-25 Bruce Korb <bkorb@gnu.org>
13833 * fixinc/fix*.[ch]: substantially reworked to make it possible
13834 to run this program without using fork(2) or pipe(2) (i.e. in
13835 a DOS environment).
13837 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
13839 * cppdefault.h (WINT_TYPE): Define.
13840 * cppinit.c (builtin_array): Define __WINT_TYPE__.
13841 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
13842 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
13844 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
13846 * (mips_legitimate_address_p): Don't allow register+offset
13847 if the offset is large and negative, and we are compiling
13848 for 64 bit registers.
13850 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13852 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
13853 insn_code_number + 1.
13855 2000-08-04 Kazu Hirata <kazu@hxi.com>
13857 * h8300.c (function_prologue): Rearrange code for conciseness.
13858 (function_epilogue): Likewise.
13859 * h8300.h (OK_FOR_U): Fix formatting.
13861 * cse.c: Fix a comment typo. Fix formatting.
13863 2000-08-03 Richard Henderson <rth@cygnus.com>
13865 * config/i386/i386.md (return_indirect_internal): New.
13866 * config/i386/i386.c (ix86_expand_epilogue): Use it.
13868 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
13870 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
13872 (lex_line): Glue @ onto the beginning of identifiers and
13873 string constants, in Objective-C mode.
13874 (output_token, spell_token): Handle CPP_OSTRING.
13875 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
13876 beginning of a NAME or a STRING, in objc mode.
13878 * cpplib.c (get_define_node): Do not permit identifiers that
13879 begin with @ to be #defined.
13880 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
13881 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
13883 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
13884 * c-tree.h (build_objc_string): Delete prototype.
13885 * objc/objc-tree.def: Delete OBJC_STRING_CST.
13886 * c-lex.c (yylex): Use build_string for all three kinds of strings.
13888 * c-parse.in, objc/objc-act.c: Update commentary.
13890 2000-08-03 Mark Mitchell <mark@codesourcery.com>
13892 * extend.texi: Fix typo in last change.
13894 * extend.texi: Add commentary on statement-expressions and their
13895 interactions with C++.
13897 2000-08-03 Nick Clifton <nickc@cygnus.com>
13899 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
13900 * dwarf.h (LANG_JAVA): Change value to 0x000b.
13902 2000-08-03 Anthony Green <green@cygnus.com>
13904 * dwarf2out.c (gen_compile_unit_die): Add java language support.
13905 (add_bound_info): Check for java language.
13906 (is_java): New function.
13907 * dwarfout.c (output_compile_unit_die): Ditto.
13908 * dwarf.h (dwarf_source_language): Add java source language type.
13909 * dwarf2.h (dwarf_source_language): Ditto.
13911 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
13913 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
13916 * i386.c (ix86_expand_branch): Mode of comparison in
13917 IF_THEN_ELSE is VOIDmode.
13919 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
13921 * gengenrtl.c, rtl.c: Avoid #elif.
13923 2000-08-03 Michael Poole <poole@troilus.org>
13925 * tm.texi (Register Classes): Clarify order of sub-initializers
13926 in REG_CLASS_CONTENTS.
13928 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13930 From SAITOH Masanobu:
13931 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
13933 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
13935 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
13936 is not supported by tradcpp and isn't actually needed for cygwin.
13938 2000-08-03 Kazu Hirata <kazu@hxi.com>
13940 * h8300.c: Fix a comment typo.
13941 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
13943 * jump.c: Fix formatting.
13945 * toplev.c: Fix formatting.
13947 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
13949 * flow.c (find_auto_inc): Verify that we've got a REG before
13950 peeking at its regno. Fail, don't abort if we can't find
13951 the increment of the desired register.
13953 * pa.md (shadd height reduction patterns/splitters): Remove.
13955 2000-08-02 Jim Wilson <wilson@cygnus.com>
13957 * config/ia64/ia64-protos.h (flag_ssa): Declare.
13958 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
13960 2000-08-02 Mark Mitchell <mark@codesourcery.com>
13962 * dce.c: Remove all uses of assert.
13963 * dwarf2out.c: Likewise.
13964 * dwarfout.c: Likewise.
13967 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
13969 * gcc.h (lang_specific_driver): Constify second argument.
13970 * gcc.c (translate_options, process_command, main): Likewise.
13971 Constify variables to match. Cast second argument to
13974 * cppspec.c, gccspec.c: Adjust type of second argument to
13975 lang_specific_driver, and update code as necessary.
13977 2000-08-02 Jakub Jelinek <jakub@redhat.com>
13979 * loop.c (scan_loop): Ensure update_end label does not
13980 go away until reg_scan_update is run.
13982 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
13984 * c-common.h: Prototype min_precision and c_build_qualified_type here...
13985 * c-tree.h: ... not here.
13986 * errors.h: Prototype fancy_abort.
13988 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
13989 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
13990 * regrename.c (regrename_optimize): Make control flow explicit.
13991 (replace_reg_in_block): Initialize reg_use to 0.
13993 * i386.c (legitimate_address_p): Rename error label to
13994 report_error to avoid namespace clash.
13996 2000-08-02 Kazu Hirata <kazu@hxi.com>
13998 * fold-const.c: Fix formatting.
14000 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
14002 * i386.c (legitimate_address_p): Accept other bases than
14003 pic_offset_table_rtx for GOTOFF constructs.
14005 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
14007 * i386.md (shift to lea splitter): Use const_int_operand.
14009 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
14011 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
14012 cppspec.c: Do not use 'legal' or 'illegal' in error messages
14015 * cppmain.c (cb_define, cb_undef): Don't generate any output
14016 if not done_initializing.
14017 * cpplex.c (maybe_paste_with_next): When the token after a ##
14018 is an omitted rest argument, only delete the token before it
14019 if that token is a comma. Do not warn about bogus token
14020 pastes for , ## rest_arg.
14022 * cpp.texi: Update.
14023 * cpp.1: Regenerate.
14025 2000-08-02 Fred Fish <fnf@be.com>
14027 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
14028 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
14031 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
14032 Be directories to search path.
14034 Remove support for __declspec(dllimport) and __declspec(dllexport).
14035 This is leftover cruft from the earlier BeOS gcc port when BeOS
14036 used Microsoft's PE object file format.
14037 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
14038 * config/i386/t-beos (winnt.o): Remove Makefile frag.
14039 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
14040 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
14041 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
14042 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
14043 (REDO_SECTION_INFO_P): Remove.
14044 (ASM_EXPORT_DECL): Remove.
14045 (ASM_DECLARE_FUNCTION_NAME): Remove.
14046 (ASM_DECLARE_OBJECT_NAME): Remove.
14047 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
14048 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
14049 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
14050 (STRIP_NAME_ENCODING): Remove.
14052 Remove support for obsolete version of BeOS that is no longer
14054 * configure.in (i*86-*-beospe*): Remove.
14055 * config/i386/beos-pe.h: Remove.
14057 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
14058 Mark Mitchell <mark@codesourcery.com>
14060 * Makefile.in (OBJS): Added dce.o.
14061 (ssa.o): Updated target to include ssa.h.
14062 (flow.o): Likewise.
14063 (toplev.o): Likewise.
14064 (dce.o): Created target.
14065 * basic-block.h: Added comments.
14066 (INVALID_BLOCK): Added definition.
14067 (connect_infinite_loops_to_exit): Added declaration.
14068 Moved SSA declarations to ssa.h.
14069 * flow.c: Added inclusion of ssa.h.
14070 (struct depth_first_search_dsS, depth_first_search_ds):
14072 (compute_immediate_postdominators): Added definition.
14073 (connect_infinite_loops_to_exit): Likewise.
14074 (flow_dfs_compute_reverse_init): Likewise.
14075 (flow_dfs_compute_reverse_add_bb): Likewise.
14076 (flow_dfs_compute_reverse_execute): Likewise.
14077 (flow_dfs_compute_reverse_finish): Likewise.
14078 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
14079 (LABEL_P): Added definition.
14080 (JUMP_P): Likewise.
14081 (NOTE_P): Likewise.
14082 (BARRIER_P): Likewise.
14083 (JUMP_TABLE_DATA_P): Likewise.
14084 (INSN_DEAD_CODE_P): Likewise.
14085 * ssa.c: Replaced inclusions with ssa.h inclusion.
14086 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
14087 (rename_registers): Removed unnecessary variables.
14088 * ssa.h: Created by moving declarations from ssa.c and
14090 * timevar.def: Defined TV_DEAD_CODE_ELIM.
14091 * toplev.c: Added ssa.h inclusion.
14092 (dump_file_index): Added DFI_dce.
14093 (dump_file): Added "dce" entry.
14095 (f_options): Added dce entry.
14096 * invoke.texi: Document -fdce. Emphasize experimental status of
14100 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
14102 * cpperror.c (v_message): Split into _cpp_begin_message and
14103 v_message macro. All callers updated.
14104 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
14107 * cppfiles.c (cpp_syshdr_flags): New function.
14108 (read_include_file): Don't call cpp_output_tokens. Call
14110 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
14111 (cpp_reader_init): Don't initialize token_buffer. Call
14112 _cpp_init_internal_pragmas.
14113 (cpp_cleanup): Don't clear token_buffer.
14114 (cpp_start_read): Don't worry about output from -D processing.
14115 Don't call cpp_output_tokens.
14116 (cpp_finish): Don't dump macros here. Don't call
14118 * cppmacro.c (_cpp_dump_definition): Rename
14119 cpp_dump_definition. Write directly to a FILE *.
14120 (dump_funlike_macro): Delete.
14121 (dump_macro_args): New.
14123 * cpplex.c (TOKEN_LEN): Convert to inline function.
14124 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
14125 cpp_scan_line, _cpp_dump_list): Delete.
14126 (cpp_printf, cpp_output_list): New.
14127 (output_line_command): Don't worry about entering or leaving files.
14128 (cpp_scan_buffer): Just output each token as we hit it.
14129 (process_directive): Don't call cpp_output_tokens.
14130 (_cpp_glue_header_name): Don't use token_buffer.
14131 (output_token, dump_param_spelling): Write directly to a FILE *.
14133 * cpplib.c (pass_thru_directive, dump_macro_name,
14134 pragma_dispatch, do_pragma_gcc): Delete.
14135 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
14136 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
14138 (do_error, do_warning, pragma_dependency): Call
14139 _cpp_begin_message, then cpp_output_list.
14140 (cpp_register_pragma, cpp_register_pragma_space,
14141 _cpp_init_internal_pragmas): New.
14142 (do_pragma): Walk the pragmas table here.
14143 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
14144 do_pragma_dependency): Return void.
14145 (do_pragma_implementation): Moved to cppmain.c.
14147 * cpplib.h: Update prototypes.
14148 (struct cpp_reader): Remove printer, token_buffer,
14149 token_buffer_size, and limit. Add struct cb, and pragmas.
14150 (struct cpp_printer): Remove last_id and written.
14151 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
14152 CPP_ADJUST_WRITTEN): Delete.
14153 * cpphash.h: Update prototypes.
14154 (ufputs): New wrapper.
14156 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
14157 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
14158 (main): Set up callbacks. Register #pragma implementation.
14159 Dump macros from here.
14161 2000-08-01 Geoff Keating <geoffk@cygnus.com>
14163 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
14164 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
14165 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
14166 insns if they have a REG_MAYBE_DEAD note attached.
14167 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
14168 (rs6000_emit_load_toc_table): TOC loads may go dead.
14170 2000-08-01 Jim Wilson <wilson@cygnus.com>
14172 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
14173 type exists before using it. Use number of words as alignment
14175 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
14176 ia64_va_arg): Propagate ia64_function_args changes here.
14178 2000-08-01 Richard Henderson <rth@cygnus.com>
14180 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
14181 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
14183 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
14185 From Joern Rennecke:
14186 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
14187 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
14188 unless TARGET_SH3E is set.
14189 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
14191 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
14192 (ashlsi3_std): New pattern.
14193 (ashlsi3 expander): Use it for TARGET_SH3.
14194 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
14196 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
14198 * loop.c (canonicalize_condition): Use destination, not source to
14199 determine SET's mode.
14201 2000-07-31 Mark Mitchell <mark@codesourcery.com>
14203 * flow.c (clear_log_links): Fix typo.
14205 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
14207 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
14208 on targets which need more than one insn for a compare/cbranch
14211 2000-07-31 Jim Wilson <wilson@cygnus.com>
14213 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
14214 when computing offset.
14216 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
14218 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
14220 2000-07-31 Geoff Keating <geoffk@cygnus.com>
14222 * flow.c (clear_log_links): Nuke global_live_at_start and
14223 global_live_at_end data, since if the log_links stuff is invalid
14224 so is global_live_at_*.
14226 2000-07-31 Richard Henderson <rth@cygnus.com>
14228 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
14230 2000-07-31 Jakub Jelinek <jakub@redhat.com>
14232 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
14233 (_cpp_get_token): Don't macro expand a just pasted token if it
14234 was pasted at no_expand_level.
14236 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
14238 * cppmacro.c (find_param, count_params, save_expansion):
14239 Permit 'defined' as a macro parameter name.
14241 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
14243 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
14244 xcpp to cpp throughout.
14245 (native): Remove unnecessary dependency on cpp.
14247 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
14248 tradcpp to tradcpp0.
14249 (.i spec): Add missing output-file spec to cc1 command line.
14250 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
14252 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
14254 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
14255 (implicit_decl_warning): New function.
14256 (implicitly_declare): Use it.
14257 * c-typeck.c (build_external_ref): Use implicit_decl_warning
14258 to complain about implicit decls of builtins.
14260 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
14261 based on pedantic && flag_isoc99, if not already set.
14262 * c-tree.h: Declare mesg_implicit_function_declaration.
14263 Prototype implicit_decl_warning.
14265 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
14267 * Makefile.in (ssa.o): Updated header files in dependences.
14268 * basic-block.h: Added compute_immediate_postdominators declaration.
14269 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
14271 * flow.c (compute_immediate_dominators): Updated comment.
14272 (compute_immediate_postdominators): Added definition.
14273 * rtl.h (HARD_REGISTER_P): Added definition.
14274 * ssa.c: Include additional header files.
14275 (assert): Added definition.
14276 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
14277 include select hard registers.
14278 (ssa_rename_to_insert): Likewise.
14279 (ssa_rename_from_initialize): Likewise.
14280 (ssa_rename_from_lookup): Likewise.
14281 (original_register): Likewise.
14282 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
14283 include select hard reigsters.
14284 (ssa_rename_from_traverse): Likewise.
14285 (ssa_rename_from_free): Likewise.
14286 (ssa_rename_from_print): Likewise.
14287 (ssa_rename_from_print_1): Likewise.
14288 (ssa_rename_from_hash_function): Likewise.
14289 (ssa_rename_from_equal): Likewise.
14290 (ssa_rename_from_delete): Likewise.
14291 (simplify_to_immediate_dominators): Removed in favor of
14292 flow.c:compute_immediate_dominators.
14293 (find_evaluations_1): Modified to work with hard registers.
14294 (insert_phi_node): Likewise.
14295 (insert_phi_nodes): Likewise.
14296 (struct rename_set_data): Updated prev_reg comment.
14297 (create_delayed_rename): Modified to work with hard registers.
14298 (RENAME_NO_RTX): Updated comment.
14299 (apply_delayed_renames): Modified to work with hard registers.
14300 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
14301 (rename_block): Updated to use revised ssa_rename_to interface.
14302 (rename_registers): Updated to use revised ssa_rename_to and
14303 ssa_rename_from interface.
14304 (convert_to_ssa): Revised to use compute_immediate_dominators and
14305 deal with hard registers.
14306 (make_regs_equivalent_over_bad_edges): Modified to work with hard
14307 registers. Added check for illegal unification of hard register.
14308 (make_equivalent_phi_alternatives_equivalent): Modified to work
14309 with hard registers.
14310 (compute_conservative_reg_partition): Likewise.
14311 (coalesce_if_unconflicting): Modified to work with hard registers
14312 and check for conflicting hard registers.
14313 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
14315 (rename_equivalent_regs_in_insn): Modified to work with hard
14317 (record_canonical_element_1): Added definition.
14318 (check_hard_regs_in_partition): Added definition.
14319 (convert_from_ssa): Added data structure deallocation and check
14320 for illegal hard register unification.
14321 (conflict_hard_regs_p): Added definition.
14322 * toplev.c (rest_of_compilation): Added comment.
14324 2000-07-31 Anthony Green <green@redhat.com>
14326 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
14328 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
14330 * builtins.c (expand_builtin_apply): Don't defer pop during
14333 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14335 * calls.c (combine_pending_stack_adjustment_and_call): Only use
14336 preferred_unit_stack_boundary when it is > 1.
14338 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
14340 * c-common.c (init_function_format_info): Add C99 format functions
14343 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
14344 void' or 'register void' as being the special case of 'void' alone
14345 in a parameter list.
14347 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
14348 discarding qualifiers into a plain warning.
14350 2000-07-31 Kazu Hirata <kazu@hxi.com>
14352 * combine.c: Fix formatting.
14354 * h8300.md: Fix formatting.
14356 * local-alloc.c: Fix formatting.
14358 * h8300.c (get_shift_alg): Remove the variable alg.
14359 (emit_a_shift): Rearrange code to improve readability.
14361 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
14363 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
14364 HImode on all architectures and a combination of HImode and SImode
14365 on H8/300H and H8/S.
14367 * h8300.c (split_adds_subs): Rearrange code for conciseness.
14369 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
14371 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
14372 in my last checkin.
14374 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
14376 * recog.c (extract_insn): Set operand_mode according to
14377 operand if match_operand is VOIDmode.
14379 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
14381 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
14383 2000-07-31 Geoff Keating <geoffk@cygnus.com>
14385 * c-parse.in (extdefs): Call ggc_collect between external
14388 2000-07-30 Michael Hayes <mhayes@cygnus.com>
14389 Richard Henderson <rth@cygnus.com>
14391 * Makefile.in (OBJS): Add doloop.o.
14392 * doloop.c: New file.
14394 * final.c (insn_current_reference_address): Return 0 before final.
14395 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
14396 * jump.c (any_uncondjump_p): Likewise.
14397 * loop.c (indirect_jump_in_function): Make static.
14398 (strength_reduce): Call doloop_optimize.
14399 (insert_bct, instrument_loop_bct): Remove.
14400 * loop.h (doloop_optimize): Prototype.
14401 * recog.c (split_all_insns): Split all INSN_P.
14402 * toplev.c (flag_branch_on_count_reg): Default on.
14404 * config/c4x/c4x.c (c4x_optimization_options): Don't set
14405 flag_branch_on_count_reg.
14406 * config/i386/i386.c (override_options): Likewise.
14407 * config/rs6000/rs6000.c (optimization_options): Likewise.
14409 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
14411 (dbra_ge): Remove, as well as all it's splitters.
14413 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
14416 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
14417 (ia64_register_move_cost): Declare.
14418 * config/ia64/ia64.c (ar_lc_reg_operand): New.
14419 (struct ia64_frame_info): Add ar_size.
14420 (ia64_compute_frame_size): Set it.
14421 (save_restore_insns): Save and restore ar.lc.
14422 (ia64_register_move_cost): New, moved from header file. Handle
14423 application registers.
14424 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
14425 (emit_insn_group_barriers): Special case doloop_end_internal.
14426 (ia64_epilogue_uses): Mark ar.lc live at end.
14427 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
14428 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
14429 (FIRST_PSEUDO_REGISTER): Make room.
14430 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
14431 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
14432 (REG_ALLOC_ORDER): Update.
14433 (HARD_REGNO_MODE_OK): Update.
14434 (REGISTER_NAMES): Update.
14435 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
14436 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
14437 (REGNO_REG_CLASS): Update.
14438 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
14439 (REGISTER_MOVE_COST): Move out of line.
14440 (PREDICATE_CODES): Update.
14441 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
14442 (addsi3_plus1_alt, adddi3_plus1_alt): New.
14443 (shladd_elim splitter): Allow constants in the predicate.
14444 (doloop_end, doloop_end_internal): New.
14446 2000-07-30 Richard Henderson <rth@cygnus.com>
14448 * genattrtab.c (struct insn_def): Add lineno member.
14449 (struct insn_ent): Likewise.
14450 (struct attr_desc): Likewise.
14451 (struct delay_desc): Likewise.
14452 (struct function_unit_op): Likewise.
14453 (struct function_unit): Likewise.
14454 (check_attr_value): Use message_with_line.
14455 (check_defs): Likewise.
14456 (expand_units): Likewise.
14457 (check_attr_test): Take a lineno argument.
14458 (gen_attr): Likewise.
14459 (gen_insn): Likewise.
14460 (gen_delay): Likewise.
14461 (gen_unit): Likewise.
14462 (main): Give it to them.
14463 (convert_set_attr_alternative): Take an insn_def argument
14464 instead of num_alt and insn_index.
14465 (convert_set_attr): Likewise.
14466 (write_test_expr): Protect INSN_ADDRESSES load
14467 with INSN_ADDRESSES_SET_P.
14469 2000-07-30 Richard Henderson <rth@cygnus.com>
14471 * flow.c (init_propagate_block_info): Use pc_set.
14473 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
14475 * i386.md (*lea_general_[123]) New insns and splits.
14476 (addsi3 to lea splitter): Handle other modes too.
14477 (shlsi3 to lea splitter): Likewise.
14478 (addhi_1_lea, shlhi_1_lea): New patterns.
14479 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
14481 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
14483 * recog.c (general_operand, nonimmediate_operand): Accept
14484 any mode for VOIDmode CONSTANT_P operands.
14486 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
14488 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
14489 instead of replace_rtx.
14490 * recog.c (validate_replace_rtx_subexp): New function.
14491 * recog.h (validate_replace_rtx_subexp): Declare.
14493 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
14495 * combine.c (simplify_set, make_extraction, make_compound_operation
14496 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
14497 as force_to_mode argument.
14499 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
14501 * combine.c (if_then_else_cond): Be sure that mode fits in
14504 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
14506 * combine.c (record_promoted_value): Allow bitsize of mode
14507 to be equivalent to HOST_BITS_PER_WISE_INT.
14509 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
14511 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
14512 Do not call gen_mode_alignment when mode is BLKmode.
14514 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
14516 * loop.c (express_from_1): Fix call of simplify_gen_binary.
14518 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
14520 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
14521 VOIDmode implies both operands to be VOIDmode.
14522 (simplify_ternary_operation): Compute properly the mode of comparison.
14523 * combine.c (combine_simplify_rtx): Likewise.
14525 2000-07-25 Michael Hayes <mph@paradise.net.nz>
14527 * basic-block.h (struct loops): New field rc_order.
14528 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
14529 (flow_loops_free): Free rc_order.
14530 (flow_depth_first_order_compute): New parameter rc_order.
14531 (flow_loops_find): Allocate rc_order and swap usage with
14534 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14535 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14537 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
14538 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
14539 (nodb_call, return_from_epilogue): Likewise.
14540 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
14541 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
14542 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
14543 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
14544 (c4x_valid_type_attribute_p): Likewise.
14545 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
14546 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
14548 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14550 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
14551 and loadhi_big_constant if applicable.
14552 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
14553 and add new splitter.s
14555 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14557 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
14559 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14561 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
14563 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14565 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
14567 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14569 * config/c4x/libgcc.S (divqf3): Improve accuracy.
14571 2000-07-27 Mark Mitchell <mark@codesourcery.com>
14573 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
14574 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
14575 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
14576 (get_prev_bb_note): Likewise.
14577 (remove_scope_notes): Likewise.
14578 * flow.c (commit_one_edge_insertion): Likewise.
14579 (merge_blocks_nomove): Likewise.
14580 (verify_flow_info): Likewise.
14581 * gcse.c (insert_insn_end_bb): Likewise.
14582 * reg-stack.c (emit_swap_insn): Likewise.
14583 * ssa.c (first_insn_after_basic_block_note): New function.
14584 (insert_phi_node): Use it.
14585 (rename_block): Likewise.
14586 (eliminate_phi): Likewise.
14587 (make_regs_equivalent_over_bad_edges): Likewise.
14588 (make_equivalent_phi_alternatives_equivalent): Likewise.
14589 (for_each_successor_phi): Likewise.
14590 (convert_from_ssa): Modify phi-node deletion algorithm.
14592 2000-07-29 Andreas Jaeger <aj@suse.de>
14594 * configure.in (mips*-*-linux*): Use mips*el to check for little
14595 endian MIPS, add tmake_file.
14597 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
14598 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
14599 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
14601 2000-07-28 Richard Henderson <rth@cygnus.com>
14603 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
14604 Sign extend mode size before negating.
14606 2000-07-28 Richard Henderson <rth@cygnus.com>
14608 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
14610 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
14612 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
14613 (cse_insn): Likewise.
14614 (addr_affects_sp_p): Likewise.
14615 * expr.c (move_by_pieces): Likewise.
14616 (clear_by_pieces): Likewise.
14617 * gcse.c (oprs_unchanged_p): Likewise.
14618 * haifa-sched.c (sched_analyze_2): Likewise.
14619 * recog.c (offsettable_address_p): Likewise.
14620 * regclass.c (record_address_regs): Likewise.
14621 * reload.c (find_reusable_reload): Likewise.
14622 (push_reload): Likewise.
14623 (operands_match_p): Likewise.
14624 (decompose): Likewise.
14625 (find_reloads_address_1): Likewise.
14626 (find_inc_amount): Likewise.
14627 * reload1.c (elimination_effects): Likewise.
14628 * resource.c (mark_set_resources): Likewise.
14629 * flow.c (attempt_auto_inc): New function; mostly broken out
14631 (find_auto_inc): Split into two functions and enhanced to
14632 generate POST_MODIFY.
14633 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
14634 * rtl.h (count_all_occurrences): Declare.
14635 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
14637 * rtlanal.c (count_all_occurrences): New function.
14638 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
14639 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
14641 * config/ia64/ia64-protos.h (destination_operand): Declare.
14642 * config/ia64/ia64.c (destination_operand): New function.
14643 (ia64_print_operand): Handle POST_MODIFY.
14644 (rtx_needs_barrier): Likewise.
14645 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
14646 (HAVE_POST_MODIFY_REG): Define to 1.
14647 (MAX_REGS_PER_ADDRESS): Change to 2.
14648 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
14649 (LEGITIMATE_ADDRESS_REG): New helper macro.
14650 (LEGITIMATE_ADDRESS_DISP): Likewise.
14651 (PREDICATE_CODES): Add entry for destination_operand.
14652 * config/ia64/ia64.md (all mov patterns): Use destination_operand
14653 predicate for operand 0.
14655 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14657 * dwarf2out.c: Indent #error directive.
14659 * gbl-ctors.h: Fix typo in comment.
14660 (__do_global_ctors): Prototype.
14662 * gcse.c (record_one_set, pre_delete): Remove unused variables.
14664 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
14665 (print_operand): Initialize variable `t'.
14667 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
14669 * config/arm/arm.md ("call_value"): removed constraints.
14670 Constraints are ignored in expanders.
14671 (*call_value_reg): split =rf into various constraints.
14672 (*call_value_mem): same
14673 (*call_value_symbol): same
14674 (*sibcall_value_insn): same
14676 2000-07-28 Philipp Thomas <pthomas@suse.de>
14678 * install.texi (--enable-nls): Change the description of the NLS
14679 related configure options to match the current state.
14680 (--with-included-gettext): Likewise.
14681 (--enable-maintainer-mode): New description added.
14682 * extend.texi (-fstrict-prototype): Add missing '.'.
14684 2000-07-27 Jim Wilson <wilson@cygnus.com>
14686 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
14687 DECL_INITIAL (decl) == NULL_TREE.
14689 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
14691 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
14692 on insn-attr.h with it.
14693 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
14694 * insn-addr.h: New header.
14695 (insn_addresses_): Renamed from insn_addresses.
14696 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
14697 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
14698 INSN_ADDRESSES_NEW): New macros.
14699 * genattrtab.c (write_test_expr): Use new macros.
14700 * final.c (insn_addresses, init_insn_lengths): Likewise.
14701 (align_fuzz, shorten_branches): Likewise.
14702 (final): Likewise. Do not reject new insns if their addresses
14703 have been added to INSN_ADDRESSES.
14704 * config/arm/arm.c, config/avr/avr.c: Use new macros.
14705 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
14706 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
14707 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
14708 * config/sh/sh.c: Likewise.
14709 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
14711 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
14713 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
14715 * gcc.c (struct prefix_list): Add member priority.
14716 (enum path_prefix_priority): Declare.
14717 (add_prefix): Replace ``first'' with ``priority''. Append new
14718 entry but keep list in priority order.
14719 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
14720 PREFIX_PRIORITY_LAST to add_prefix.
14721 (process_command): Move include kludge - foo/stageN - to before
14724 2000-07-27 Jason Merrill <jason@redhat.com>
14726 * dwarf2out.c (gen_typedef_die): Abort if we get identical
14727 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
14729 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
14731 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
14732 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
14734 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
14736 * c-decl.c (finish_function): Don't treat 'main' specially unless
14737 flag_hosted. In C99 mode, return 0 from 'main' unless
14738 DEFAULT_MAIN_RETURN is otherwise defined.
14740 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
14741 parameters defaulting to int in an old-style function definition.
14743 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14745 * c-parse.in (string): For -Wtraditional, warn about string
14746 concatenation only once per line.
14748 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
14750 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
14751 for HI-UX/WE2 systems.
14753 2000-07-24 Bruce Korb <bkorb@gnu.org>
14755 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
14756 defining the __xxx_TYPE__ macros.
14757 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
14758 * fixincl/fixlib.h: don't need to include "tm.h" anymore
14759 * fixincl/inclhack.def(type_map): now obsolete
14761 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
14763 * cpp.texi: Append a trailing full-stop to xrefs where needed.
14765 2000-07-26 Dave Pitts <dpitts@cozx.com>
14767 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
14769 (mvs_hash_alias): New function.
14770 (mvs_add_alias): Change argument spacing.
14771 (mvs_need_alias): Change aliasing criteria. Added documentation.
14772 (mvs_get_alias): Change to use hashed name. The hashed name prevents
14773 CSECT name collisions.
14774 (mvs_check_alias): Likewise.
14775 (handle_pragma): Change documentation.
14776 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
14777 mode from SImode to DImode.
14778 (iorhi3): Changed LTORG size for insn.
14780 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
14782 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
14783 mem if the address is a mode_dependent_address_p.
14785 2000-07-26 Kazu Hirata <kazu@hxi.com>
14787 * h8300.c (print_operand): Print ":8" when the 'R' operand is
14788 suitable for 8-bit absolute.
14789 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
14790 (OK_FOR_U): Add a case for the 8-bit constant address on the
14793 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
14795 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
14796 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
14797 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
14798 lack of implemented alignment.
14800 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
14802 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
14803 cross-compiling between 64-bit and 32-bit machines.
14805 2000-07-27 Richard Henderson <rth@cygnus.com>
14807 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
14808 (movhicc_astep, movhi_internal_astep): New.
14809 (movsicc_astep, movsi_internal_astep): New.
14810 (movdicc_astep, movdi_internal_astep): New.
14811 (movsfcc_astep, movsf_internal_astep): New.
14812 (movdfcc_astep, movdf_internal_astep): New.
14813 (movxfcc_astep, movxf_internal_astep): New.
14814 (cmovdi_internal_astep, cmovsi_internal_astep): New.
14815 Unify the cmov[ds]i splitters.
14817 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
14819 * real.c (asctoeg): Rename `error' label to unexpected_char_error
14821 2000-07-26 Nick Clifton <nickc@cygnus.com>
14823 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
14824 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
14826 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
14827 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
14829 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
14831 * c-decl.c (finish_enum): Convert enumerations that fit in an
14833 (build_enumerator): In pedantic mode, cast to `int' those that
14836 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
14838 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
14840 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14842 * sh.md (cmpgtdi_t): Must be split.
14843 (cmpgtdi_t+1): New splitter.
14845 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
14847 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
14848 warnings for indented directives even if we are skipping.
14850 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
14852 * invoke.texi (strict-prototypes): Remove.
14853 * extend.texi (Deprecated Features): Add strict-prototypes.
14854 (Backwards Compatibility): New node.
14856 2000-07-25 Jakub Jelinek <jakub@redhat.com>
14858 * config/i386/i386.md (andsi_1+1): Allow HImode.
14859 (andsi_1+2): Require q_regs_operand.
14861 2000-07-25 Jakub Jelinek <jakub@redhat.com>
14863 * config/i386/i386.md (call_pop): Check operands[0],
14864 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
14866 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
14867 (call_value): Likewise.
14869 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
14871 * toplev.c (pipe_closed): Delete.
14872 (crash_signal): New. Generate ICE for a fatal signal.
14873 (float_signal): Call crash_signal outside a float-handler
14875 (main): Install crash_signal as handler for core-dumping signals.
14877 2000-07-25 David Edelsohn <edelsohn@gnu.org>
14879 * rs6000.c (print_operand, case 'T'): New case.
14881 * rs6000.md (call_indirect_aix32): Convert to expander of
14882 scheduled instructions.
14883 (call_indirect_aix64): Likewise.
14884 (call_value_indirect_aix{32,64}): Likewise.
14885 (call, call_value): Invoke expanders for AIX. Fall through to
14887 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
14888 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
14889 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
14890 only "g" constraint.
14891 (call_nonlocal_aix64): Likewise.
14892 (call_value_nonlocal_aix{32,64}): Likewise.
14893 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
14895 (call_value_nonlocal_sysv): New pattern.
14896 (indirect_jump{si,di}): Use new 'T' modifier.
14897 (tablejump{si,di} matchers): Likewise.
14898 (return_internal_{si,di}): Likewise.
14899 (return_eh_{si,di}): Likewise.
14901 2000-07-24 Richard Henderson <rth@cygnus.com>
14903 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
14904 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
14905 * config/ia64/ia64.md (movdi_internal): Use it.
14907 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
14909 * cppexp.c: Warn about unary + if -Wtraditional.
14910 * cpplex.c (lex_line): Always set BOL on the first token of a line.
14912 2000-07-24 Michael Meissner <meissner@redhat.com>
14914 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
14917 2000-07-24 Nick Clifton <nickc@cygnus.com>
14919 * config/arm/arm.c (emit_multi_reg_push): Generate a
14920 REG_FRAME_RELEATED_NOTE that is compatable with the code in
14921 dwarf2out_debug_frame_expr.
14923 2000-07-24 Jason Merrill <jason@redhat.com>
14925 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
14926 UNALIGNED_INT_ASM_OP.
14927 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
14928 a location expression.
14929 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
14930 assume indirect access if we're saving the CFA address exactly.
14932 * Makefile.in (bootstrap): Move -BstageN/ to the end.
14934 2000-07-24 Jakub Jelinek <jakub@redhat.com>
14936 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
14939 2000-07-24 Michael Meissner <meissner@redhat.com>
14941 * invoke.texi (D30V Options): Add d30v options.
14943 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
14945 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
14946 needed by our gcse pass anymore.
14947 (free_pre_mem): Corresponding changes.
14948 (compute_pre_data): Do not call compute_transpout anymore.
14950 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
14951 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
14954 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
14955 (compute_pre_data): Do it here instead.
14957 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
14959 (pre_delete): Corresponding changes.
14961 2000-07-23 Mark Mitchell <mark@codesourcery.com>
14963 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
14964 to figure out whether or not a variable has already been emitted.
14966 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
14968 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
14969 instead of gen_call.
14971 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
14973 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
14975 2000-07-23 Kazu Hirata <kazu@hxi.com>
14977 * h8300.c: Fix formatting.
14979 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
14981 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
14982 for `long' switch expression into a plain warning.
14984 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
14985 (yylex): Don't pedwarn for "inline" in C99 mode.
14987 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
14989 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
14990 ggc_alloc): Likewise.
14991 * bb-reorder.c (dump_scope_forest_1): Likewise.
14993 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
14995 * reload.c (find_reloads_toplev): Add new parameter
14996 "address_reloaded".
14997 (find_reloads): Add new parameter to find_reloads_toplev calls.
14999 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
15001 * collect2.c (main): Typo fixed.
15002 * diagnostic.c: Typo fixed.
15003 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
15004 * eh-common.h: Typo fixed.
15005 * emit-rtl.c (start_sequence): Typo fixed.
15006 * flow.c (find_label_refs): Typo fixed.
15007 (calculate_global_regs_live): Typo fixed.
15008 (mark_regno_cond_dead): Typo fixed.
15009 (create_edge_list): Typos fixed.
15010 (verify_edge_list): Typo fixed.
15011 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
15012 * loop.c (strength_reduce): Typo in function name fixed.
15013 * rtl.h: Added comments. Typo in function name fixed.
15014 * rtlanal.c: Typo in function name fixed.
15015 (insn_dependant_p): Rename to ...
15016 (insn_dependent_p): ... this.
15017 (computed_jumo_p): Typo fixed.
15019 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15021 * system.h (__FUNCTION__): Wrap definition in #ifndef.
15023 2000-07-21 David Edelsohn <edelsohn@gnu.org>
15025 * rs6000.h (SIZE_TYPE): Define.
15027 2000-07-21 Mark Mitchell <mark@codesourcery.com>
15029 * ssa.c (rename_insn_1): Don't rename registers that are
15032 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
15034 * diagnostic.c (trim_filename, fancy_abort): Moved here from
15036 (fatal_function, set_fatal_function): Removed.
15037 (fatal): Don't prepare for or call the fatal_function.
15038 (diagnostic_lock, error_recursion): New.
15039 (diagnostic_for_decl, report_diagnostic): Guard against
15040 re-entering the error reporting routines.
15041 (fancy_abort): Assume function is not NULL.
15043 * errors.c (fancy_abort): New. Assume function is not NULL.
15044 * tradcpp.c (fancy_abort): Assume function is not NULL.
15046 * system.h: Provide default definition of __FUNCTION__.
15047 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
15048 Always use __FUNCTION__ in definition of abort.
15049 * tree.h: Likewise.
15050 * varray.h: Likewise.
15051 * toplev.h: Likewise. Don't prototype set_fatal_function.
15053 2000-07-20 Geoff Keating <geoffk@cygnus.com>
15055 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
15057 * glimits.h: Don't do #if defined for ARCH_PPC.
15059 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
15060 constants of size no larger than a pointer should go in the TOC.
15061 Add 'MODE' parameter.
15062 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
15063 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
15064 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
15065 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
15066 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
15067 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
15068 (rs6000_legitimize_address): Likewise.
15069 (rs6000_emit_move): Likewise.
15070 (rs6000_select_rtx_section): Likewise.
15071 (output_toc): Deal properly with outputting small constants like
15072 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
15073 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
15074 MODE parameter. Put small constants in the TOC.
15076 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
15078 (rs6000_emit_move): When reload calls us with an illegitimate
15079 address, exit early. Move the change_address calls to one place
15080 at the end of the routine. Merge the SImode and DImode expanders.
15081 When called by reload to put an integer into a FP register, force
15084 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
15086 (rs6000_hash_constant): Hash mode too.
15087 (toc_hash_function): Allow for key_mode.
15088 (toc_hash_eq): Structures are different if key_mode differs.
15089 (output_toc): Add 'mode' parameter. Save key_mode.
15090 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
15091 Pass 'mode' parameter.
15092 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
15094 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
15095 for vtable references.
15097 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
15098 choice, don't put integer values in FP regs.
15100 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
15102 * flow.c (verify_flow_info): Revamp code to verify that the
15103 head and end of each basic block are in the insn chain.
15105 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
15107 * gcse.c (record_one_set): Prepend instead of append onto
15108 reg_set_table, making it O(n) instead O(n^2).
15109 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
15110 Use a queue instead of a stack as worklist.
15112 2000-07-20 Kazu Hirata <kazu@hxi.com>
15114 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
15115 * h8300.h (OK_FOR_T): New.
15116 (EXTRA_CONSTRAINT): Support OK_FOR_T.
15117 * h8300.md: Use inc/dec.[wl] for increment/decrement
15118 by 1 and 2 in HI and SI modes.
15120 2000-07-20 Jim Wilson <wilson@cygnus.com>
15122 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
15123 larger than 14 bits.
15125 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
15127 * cppmacro.c (CAN_PASTE_AFTER): New macro.
15128 (count_params): Don't set GNU_REST_ARGS on anything.
15129 (save_expansion): Set PASTE_LEFT only on tokens for which
15130 CAN_PASTE_AFTER is true, or which are named operators.
15132 * cpplex.c (parse_args): Distinguish between a rest argument
15133 given one empty argument, and a rest argument given zero arguments.
15134 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
15135 deletion of previous token based on that.
15136 (get_raw_token): Flatten some control structure.
15138 * cpplib.h (CPP_LAST_EQ): Correct.
15139 (VOID_REST): New token flag.
15140 (GNU_REST_ARGS): Delete.
15142 * tradcpp.c (main): Don't munge -D options.
15143 (make_definition): Bring -D handling in line with cpplib.
15144 (do_define): Strip all leading whitespace from macro definitions.
15146 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
15148 * Makefile.in (tradcpp): Depend on intl.o and version.o.
15150 2000-07-20 Bruce Korb <bkorb@gnu.org>
15152 * fixincl/check.tpl: strip the platform specific types before testing
15153 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
15154 * fixincl/fixincl.tpl: use platform specific types
15155 * fixincl/fixlib.h: include the platform specific types
15156 * fixincl/inclhack.def(gnu_types): don't supply the types
15157 * fixincl/fixincl.x: regen
15159 2000-07-19 Jim Wilson <wilson@cygnus.com>
15161 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
15164 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
15166 * tradcpp.c (rescan): Do not recognize directives when the #
15169 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
15171 Implement C++ named operators.
15173 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
15174 of operators allowed in #if and having an _EQ variant. Add
15175 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
15176 (cpp_token flags): Add NAMED_OP.
15177 (enum node_type): Add T_OPERATOR.
15178 (struct cpp_hashnode): Add code slot to value union.
15179 * cpphash.h (spec_nodes): Remove n_defined.
15181 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
15182 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
15183 (is_macro_disabled): Tweak error messages.
15185 * cpplib.c (get_define_node): Disallow all named operators as
15186 macro names. Tweak error messages.
15187 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
15189 * cppinit.c (builtin_array): Add entries for the named operators.
15190 * cppexp.c (lex): Check for CPP_DEFINED token.
15191 (priority table): Add entries for CPP_MIN and CPP_MAX.
15192 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
15194 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
15196 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
15197 larger than the array of cuids.
15198 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
15201 2000-07-19 Bruce Korb <bkorb@gnu.org>
15203 * fixinc/fixincl.c: Convert to using a table of environment variables
15204 and activate the auto-edit marker on the fixed output files.
15205 * fixinc/fixlib.h: Define the environment table
15206 * fixinc/fixincl.sh: export the ${INPUT} dir
15207 * fixinc/check.tpl: likewise
15209 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
15211 * gcc.c (.h spec): Fix typo.
15213 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
15215 * Makefile.in: Fix tradcif.c path.
15217 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
15219 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
15222 * cpphash.h (TOKEN_NAME): New macro.
15223 (_cpp_spell_operator): Deleted.
15224 (token_spellings): Now _cpp_token_spellings.
15226 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
15227 * cpplex.c: Use OP and TK macros when expanding the
15228 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
15229 store the stringification of the enumeration name (CPP_CHAR,
15230 etc.) in the name slot of token_spellings.
15231 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
15232 token_spellings directly.
15233 * cpplib.c: Use TOKEN_SPELL.
15235 * cpplex.c (_cpp_push_token): If the token being pushed back
15236 is the previous token in this context, just subtract one from
15238 * cppmacro.c (save_expansion): Clear aux field when storing a
15241 2000-07-18 Jakub Jelinek <jakub@redhat.com>
15243 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
15244 buffer, provided it is not NULL.
15246 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
15248 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
15249 case of invalid volatile re-declaration.
15251 2000-07-18 Jakub Jelinek <jakub@redhat.com>
15253 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
15254 (expand_call): Adjust caller.
15256 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
15258 * diagnostic.h (report_diagnostic): Change prototype.
15260 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
15261 diagnostic_for_decl): Change prototype.
15262 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
15263 error, warning, error_with_file_and_line,
15264 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
15265 Adjust call to report_diagnostic, diagnostic_for_decl.
15266 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
15267 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
15269 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
15270 varaible argument list.
15272 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
15274 * cpphash.c: Don't include hashtab.h. Most macro-handling code
15275 moved to cppmacro.c.
15276 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
15277 dump_hash_helper): Delete.
15278 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
15279 cpp_forall_identifiers): New. Implement specialized version of
15280 Vlad's expandable hash table.
15281 (cpp_lookup): Use new functions.
15282 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
15284 * cppmacro.c: New file.
15285 * cppinit.c (dump_macros_helper): New.
15286 (cpp_finish): Iterate over the identifier table directly.
15287 * cpplex.c (parse_name): Calculate the hash of the identifier
15288 while we scan it. Use _cpp_lookup_with_hash when we can.
15290 * cpphash.h: Update prototypes.
15291 (xcnewvec, HASHSTEP): New helper macros.
15292 * cpplib.h: Update prototypes.
15293 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
15294 (cppmacro.o): New rule.
15295 (cpphash.o): Update deps.
15297 * cppmain.c: Do not set pfile->printer if no_output is on.
15299 2000-07-15 Neil Booth <neilb@earthling.net>
15301 * cpplib.c: Change all directive-handler functions to return
15303 * cpphash.h: Update typedefs.
15305 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
15307 * configure: Regenerate.
15309 * extend.texi (Extended Asm): Mention that a memory clobber
15310 does not count as a side-effect.
15312 * unroll.c (copy_loop_body): Fix one instance of using host
15313 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
15316 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
15318 2000-07-17 Richard Henderson <rth@cygnus.com>
15320 * config/ia64/ia64.md (movdi): Split out load address code.
15321 New post-reload splitter for symbolic operands.
15322 (movdi_internal): Abort if we didn't split symbolic operands
15323 when we should have.
15324 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
15325 (ia64_reorg): Split insns when not optimizing.
15326 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
15328 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
15330 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
15331 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
15333 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
15335 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
15337 2000-07-17 Jason Merrill <jason@redhat.com>
15339 * Makefile.in (clean): Remove libgcc directory.
15341 * configure.in (-Wno-long-long check): Use higher-level macros.
15343 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
15345 * simplify-rtx.c (simplify_binary_operation): Recognize
15346 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
15347 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
15348 a CONST_INT, it will always be zero.
15350 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
15352 * loop.c (check_dbra_loop) : Return if more than one condition is
15353 present to control the loop.
15355 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
15357 * mips.c (mips_expand_prologue): Don't calculate the last argument
15358 register unless we need it. When we are calculating this, make
15359 sure FUNCTION_ARG is giving us a REG.
15361 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
15363 * flow.c (libcall_dead_p): Use single_set to verify the insn
15364 has only one set and get for analysis.
15365 (propagate_one_insn): Don't pass the PATTERN of the insn.
15367 2000-07-17 Mark Klein <mklein@dis.com>
15369 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
15371 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
15373 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
15374 * configure.in (TARGET_GETGROUPS_T): Evaluate.
15375 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
15376 of second argument of getgroups.
15377 * configure, config.in: Rebuilt.
15379 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
15381 * simplify-rtx.c (simplify_relational_operation): Two signed
15382 values with equal high words are less/greater than each other if
15383 their low words are less/greater when considered as unsigned.
15385 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
15387 * configure.in (vax-*-openbsd): Change to new style configuration,
15388 add collect2/float_format information.
15389 * configure: Rebuilt.
15390 * config/vax/openbsd1.h: New.
15391 * config/vax/openbsd.h: New.
15392 * config/vax/t-openbsd: New.
15394 2000-07-17 Chip Salzenberg <chip@valinux.com>
15396 * c-common.c (shorten_compare): Quiet warnings about unsigned
15397 comparisons with zero when they occur in a system header.
15399 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
15401 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
15402 update to describe current practice.
15404 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
15406 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
15407 references to C9X. Change references to -fstd and -flang-isoc9x
15410 * c-common.c (scan_char_table): Allow "z" length modifiers on
15412 (check_format_info): Use TYPE_DOMAIN on the type matched against
15413 for "z" formats, to retrieve the language size_t rather than the
15416 * c-common.c (check_format_info): Do not make a pedantic objection
15417 to the 'L' length modifier if used with a floating point type
15420 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
15421 constants in C99 mode.
15423 2000-07-17 Kazu Hirata <kazu@hxi.com>
15425 * h8300.md: Fix the format of mac.
15426 (movsi_h8300hs): Output a tab after stmac instead of a space.
15428 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
15429 profitable adds/subs sequences.
15431 * fold-const.c: Fix comment typos.
15433 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
15435 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
15437 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15439 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
15441 2000-07-16 Neil Booth <NeilB@earthling.net>
15443 * cpplex.c: Update comments.
15444 * README.Portability: Small update.
15446 2000-07-16 Neil Booth <NeilB@earthling.net>
15448 * README.Portability: Small update.
15450 2000-07-15 Richard Henderson <rth@cygnus.com>
15452 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
15453 * config/ia64/ia64.c (ia64_move_ok): New function.
15454 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
15455 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
15457 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
15459 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
15460 immediately following a paste operator.
15461 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
15462 (cpp_reader_init): Call it, if HOST_EBCDIC.
15463 (cpp_handle_options): Do not sort option list here.
15464 (handle_option): Rename to cpp_handle_option and export.
15465 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
15466 _cpp_get_token directly.
15467 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
15468 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
15469 * cpplib.h: Prototype cpp_handle_option. Update prototype of
15472 2000-07-15 Richard Henderson <rth@cygnus.com>
15474 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
15475 cast around an expression. Tidy other unsigned tests.
15477 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
15479 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
15480 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
15481 (v_message_with_decl): Rename to ...
15482 (format_with_decl): ... this. Tweak
15483 (diagnostic_for_decl): New function.
15484 (fatal_io_error): Use verbatim in lieu of notice.
15485 (announce_function): Use verbatim.
15486 (default_print_error_function): Likewise.
15487 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
15490 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15492 * mips.c (function_arg_pass_by_reference): Don't do automatic
15493 aggregate initialization.
15494 (machine_dependent_reorg): Initialize variable `mode'.
15496 * mips.md (absdi2): Change variable `regno1' to unsigned int.
15497 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
15498 conflicts with sys/param.h macro of the same name.
15499 (reload_outdi): Likewise.
15501 2000-07-15 Michael Meissner <meissner@redhat.com>
15503 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
15504 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
15505 create a new node instead.
15507 2000-07-15 Neil Booth <NeilB@earthling.net>
15509 * README.Portability: Correct example about calling a function
15510 through a pointer to function. Format wide paragraphs.
15512 2000-07-15 Michael Meissner <meissner@redhat.com>
15514 * README.Portability: Update integer suffixes and function
15515 prototype sections.
15517 2000-07-15 Neil Booth <NeilB@earthling.net>
15519 * README.Portability: Small update.
15521 2000-07-15 Neil Booth <NeilB@earthling.net>
15523 * README.Portability: New file.
15525 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
15527 * INSTALL: Give special instructions for building GCC on Irix 6.
15528 * config/mips/x-iris6 (CC): Don't set it.
15531 2000-07-14 Jason Merrill <jason@redhat.com>
15533 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
15534 register in the stack and later in another register, use the new
15537 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
15539 * config/mips/mips.md: (absdi2): Handle sign_extend for
15542 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
15544 * cpplib.c (do_pragma_dependency): Tidy warning messages.
15546 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
15548 * .cvsignore: Correct typo.
15550 2000-07-13 Mark Mitchell <mark@codesourcery.com>
15552 * .cvsignore: Add generated YACC files.
15553 * objc/.cvsignore: New file.
15555 2000-07-14 Neil Booth <NeilB@earthling.net>
15557 * cpplex.c (adjust_column): New funcion.
15558 (skip_whitespace): Use it.
15559 (skip_block_comment): Use it, and warn about /*/* with
15562 2000-07-14 Neil Booth <NeilB@earthling.net>
15564 * cpphash.c (struct macro_info): Add new members.
15565 (_cpp_free_definition): Delete the macro directly.
15566 (count_params): Return void, with first token of
15567 expansion in struct macro_info on success.
15568 (parse_define): Return int. Hoist syntax checking from
15569 save_macro_expansion. Leave call to save_expansion to
15570 _cpp_create_definition.
15571 (alloc_macro): Needs just 2 arguments.
15572 (free_macro): Delete.
15573 (save_expansion): Don't perform syntax check.
15574 (_cpp_create_definition): Call save_expansion.
15576 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15578 * genrecog.c (write_header): Split long string.
15580 * cpphash.c (macro_info): Don't use the `signed' keyword.
15582 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
15584 2000-07-13 Jakub Jelinek <jakub@redhat.com>
15586 * calls.c (stored_args_map): New variable.
15587 (check_sibcall_argument_overlap_1): New.
15588 (check_sibcall_argument_overlap): New.
15589 (expand_call): Initialize stored_args_map.
15590 Call check_sibcall_argument_overlap.
15592 2000-07-13 Bruce Korb <bkorb@gnu.org>
15594 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
15595 (emit_gnu_type): utility procedure for gnu_type_fix
15596 (gnu_type_fix): implement various pre-processor guards around
15597 standard types so these types can be defined over and over
15598 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
15599 types alluded to above will have GNU-compliant base types
15600 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
15601 * fixinc/inclhack.def: add test_text entries and utilize the new
15602 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
15603 * fixinc/fixincl.x: regenerate
15605 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
15607 * diagnostic.c (vline_wrapper_message_with_location,
15608 v_message_with_file_and_line, v_error_with_file_and_file,
15609 v_error_for_asm, v_warning_for_asm, vfatal,
15610 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
15611 vsorry, verror, vwarning, vpedwarn): Remove.
15612 (diagnostic_for_asm): New function.
15613 (pedwarn, error, warning, pedwarn_with_file_and_line,
15614 error_with_file_and_line, warning_with_file_and_line, sorry,
15615 error_for_asm, warning_for_asm, fatal): Reimplement.
15616 (finish_diagnostic): Clear diagnostic info as well.
15618 2000-07-13 Neil Booth <NeilB@earthling.net>
15620 * c-common.h (flag_digraphs): New.
15621 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
15622 * c-lex.c (yylex): Use flag_digraphs to decide whether to
15625 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
15627 * gcc.c (do_spec_1): Add new %B operator.
15628 (set_input): Prepare for %B.
15630 (link_command_spec): Move up with the other tm.h-
15631 overrideable specs. Factor out the portion conditional on
15632 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
15633 (struct compiler): Just have a single spec string. All users
15635 (default_compilers): Remove unnecessary braces.
15636 (static_specs): Update.
15638 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
15640 (C and assembly specs): Use the new named specs, as appropriate.
15642 * objc/lang-specs.h: Use the new named specs.
15643 Remove unnecessary braces.
15645 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
15647 * gcc.c (execute): If a subprocess gets a fatal signal, report
15648 strsignal() of the signal number, and ask for a bug report.
15649 Do not do this for SIGPIPE if there's already been an error.
15651 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
15652 Delete pipe_closed.
15654 * tradcif.c: Remove.
15656 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
15658 * final.c (profile_function): Do not emit profile counters in
15659 the data section, if NO_PROFILE_COUNTERS is defined.
15660 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
15663 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
15664 (FUNCTION_PROFILER): Just emit a call to mcount.
15666 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
15668 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
15670 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
15671 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
15672 traditional, lang_chill, or lang_fortran.
15674 * cppfiles.c: #undef strcmp to suppress warning about macros
15675 used without arguments.
15676 (_cpp_execute_include): Use f, not fname, in "No include path"
15678 (_cpp_pop_file_buffer): New function.
15679 * cpplib.c: Don't include <sys/mman.h>.
15680 (cpp_push_buffer): Set line_base and lineno in new buffer.
15681 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
15683 * cpplex.c: Move all prototypes and structure declarations to the
15684 top of the file. Properly parenthesise some macro arguments.
15685 (cpp_scan_line): New function.
15686 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
15687 don't need to walk up the stack counting.
15689 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15691 * c-common.c (combine_strings): Emit a pedantic warning when a
15692 string length is greater than the minimum ANSI C is required
15695 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
15697 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
15698 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
15700 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15702 * c-decl.c (define_label): Warn about identifier conflicts with
15703 labels in traditional C.
15705 * c-parse.in (unop +): Warn about the unary plus operator for
15708 * c-typeck.c (store_init_value): Warn about automatic aggregate
15709 initialization for traditional C.
15711 * invoke.texi (-Wtraditional): Document new warnings.
15713 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
15715 * Makefile.in (c-errors.o): Fix thinko in dependency.
15717 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
15719 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
15720 -traditional, -ftraditional, or -traditional-cpp was given.
15721 Do not pass -traditional to the preprocessor.
15722 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
15723 preprocessor does it automatically.
15724 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
15726 * ch/lang-specs.h: Always use tradcpp. Do not pass
15727 -traditional, -trigraphs, or -pedantic to the preprocessor.
15728 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
15731 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
15733 * cppexp.c (LOGICAL): Delete macro.
15734 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
15737 * cpphash.c (HASHSIZE): Increase to 4096.
15738 (struct hashdummy): Add hash field.
15739 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
15740 the string values using memcmp.
15741 (cpp_lookup): Set dummy.hash.
15743 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
15745 * configure.in (m88k-openbsd): Express configuration using new fragment
15747 * configure: Rebuilt.
15748 * m88k/aout-dbx.h: New.
15749 * m88k/openbsd.h: New.
15750 * m88k/xm-openbsd.h: New.
15752 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15754 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
15756 2000-07-12 Richard Henderson <rth@cygnus.com>
15758 * reload.c (push_secondary_reload): Make sure to add the new
15759 reload at the end, after acquiring secondary memory.
15761 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15763 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
15765 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
15766 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
15768 * c-parse.in (stmt): Delete unused variables.
15770 * convert.c (convert_to_vector): Likewise.
15772 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
15774 * tree.c (finish_vector_type): Prototype.
15776 2000-07-12 Bruce Korb <bkorb@gnu.org>
15778 * fixinc/fixfixes.c: use xmalloc
15779 * fixinc/fixincl.c(initialize): set program name for xmalloc
15780 * fixinc/fixlib.c(must_malloc): obsolete
15781 (is_cxx_header): no longer used - disabled
15782 (skip_quote): inserted and disabled for future use
15783 * fixinc/fixlib.h: reflects above
15784 * fixinc/fixtests.c: removed dinkleberries
15786 2000-07-12 Neil Booth <NeilB@earthling.net>
15788 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
15789 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
15791 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
15792 struct toklist_dummy): New.
15793 (cpp_free_definition): Free macros with free_macro.
15794 (count_params): Don't save paramter spellings. Save macro
15795 information in a struct macro_info.
15796 (parse_define): Don't allocate a token list.
15797 (save_expansion): Allocate the macro's token list, and
15798 save parameter spellings if necessary. Use TOKEN_SPELL.
15799 (cpp_create_definition): Make list const.
15801 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
15803 * c-typeck.c (pedwarn_c99): Move to
15804 * c-errors.c: ... Here.
15805 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
15806 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
15807 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
15808 (c-errors.o): List dependency.
15810 2000-07-12 Mark Mitchell <mark@codesourcery.com>
15812 * c-parse.c: Remove.
15813 * c-parse.h: Likewise.
15814 * c-parse.y: Likewise.
15815 * objc/objc-parse.c: Likewise.
15816 * objc/objc-pasre.y: Likewise.
15818 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
15820 * gcc.texi: Fix minor typos
15821 * extend.texi: Fix minor typos
15823 2000-07-11 Marc Espie <espie@openbsd.org>
15825 * collect2.c (main): Recognize .lo as object files.
15827 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
15829 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
15832 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
15833 with MAP_ANONYMOUS and MAP_ANON.
15834 * configure, config.in: Rebuilt.
15836 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
15838 * diagnostic.c (save_output_state): Remove.
15839 (restore_output_state): Likewise.
15840 (clear_text_info): New function.
15841 (clear_diagnostic_info): Likewise.
15842 (output_text_length, is_starting_newline, output_prefix,
15843 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
15844 prefixing_policy, output_buffer_ptr_to_format_args): New macros
15845 (set_real_maximum_length, output_set_maximum_length,
15846 output_set_prefix, output_get_prefix, output_set_maximum_length,
15847 output_destroy_prefix, init_output_buffer,
15848 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
15849 output_add_newline, output_add_character, output_add_space,
15850 output_append_r, output_append, wrap_text, output_format,
15851 output_do_printf, output_printf, output_do_verbatim,
15852 output_verbatim, verbatim): Use them.
15853 (output_clear): Split into cleat_text_info and
15854 clear_diagnostic_info.
15855 (struct output_state): Move to...
15857 * diagnostic.h: ...Here
15858 (struct output_buffer): Adjust.
15860 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
15862 * cpplex.c (parse_name): No longer inline (premature optimization).
15863 (do_pop_context): Fold into pop_context.
15864 (pop_context): Returns int.
15865 (lex_next): Hoist test for end of directive into pop_context.
15866 (push_macro_context): Returns int; takes just reader and token.
15867 Hoist test for excessive nesting to caller.
15868 (push_arg_context): Returns void; takes just reader and token.
15869 Do not call stringify_arg or get_raw_token.
15870 (get_raw_token): Convert tail recursion through push_arg_context
15871 to a loop at this level. Call stringify_arg here if appropriate.
15872 (maybe_paste_with_next): Convert tail recursion to a while loop.
15873 Hoist test of paste_level to caller.
15875 (stringify_arg): Push arg context at beginning.
15876 (cpp_get_token): Split out core into _cpp_get_token. Call
15877 process_directive here. Throw away CPP_PLACEMARKER tokens.
15878 (_cpp_get_token): Convert tail recursion through
15879 push_macro_context to a loop at this level.
15880 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
15881 _cpp_get_raw_token): Use _cpp_get_token.
15882 (_cpp_skip_rest_of_line): Drop the context stack directly; do
15883 not call pop_context.
15884 (_cpp_run_directive): Call lex_next directly.
15886 * cpphash.h: Prototype _cpp_get_token.
15887 * cppexp.c (lex): Use it.
15888 * cpphash.c (parse_define): Use it.
15889 * cpplib.c (get_define_node, do_undef, parse_include,
15890 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
15891 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
15892 parse_ifdef, validate_else): Use it.
15893 (cpp_push_buffer): Tweak error message; abort if anyone tries
15894 to push a buffer while macro expansions are stacked.
15896 2000-07-11 Donn Terry <donnte@microsoft.com>
15898 * cpplex.c (free_macro_args, save_token): Cast arg of free
15899 and/or xrealloc to PTR.
15900 (_cpp_init_input_buffer): Clear all fields of the base context.
15902 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
15904 * gensupport.c (process_rtx): Make rtl checking stop
15905 complaining about the define_insn while it is being
15906 converted from a define_insn_and_split.
15908 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
15910 * config/mips/mips.c (simple_memory_operand): Access the
15911 INTVAL of the address, not it's containing MEM.
15913 2000-07-11 Bruce Korb <bkorb@gnu.org>
15915 * fixinc/fixtests.c(double_slash): obsolete
15916 (else_endif_label): likewise
15917 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
15918 (libc1_ifdefd_memx): correct initial comment
15919 and omit the #if/#endif pair from the memxxx declarations
15920 * fixinc/fixincl.x: regen
15922 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15924 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
15926 2000-07-11 Neil Booth <NeilB@earthling.net>
15928 * cpp.texi: Update.
15930 2000-07-11 Neil Booth <NeilB@earthling.net>
15932 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
15933 (handle_option): Set digraphs according to standard.
15934 Merge OPT_lang_c89 handler with OPT_std_c89.
15936 * cpplex.c: (lex_line, can_paste): Honour digraphs in
15937 accordance with the digraphs flag.
15939 * cpplib.h: (struct cpp_options): New option digraphs.
15941 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
15942 Bruce Korb <bkorb@gnu.org>
15944 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
15945 * fixinc/fixincl.x: Regenerate.
15946 * fixinc/tests/base/testing.h: Add testcase.
15948 2000-07-10 Richard Henderson <rth@cygnus.com>
15950 * config/ia64/ia64.c (got_symbolic_operand): New.
15951 (symbolic_operand, move_operand): Revert 0701 change.
15952 * config/ia64/ia64.h (PREDICATE_CODES): Update.
15953 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
15954 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
15955 split the offset into a 14-bit low part instead of a 13-bit low part.
15956 (load_fptr): Mark the mem as unchanging.
15957 (load_symptr): Use got_symbolic_operand.
15959 2000-07-10 Nick Clifton <nickc@cygnus.com>
15961 * libgcc2.c (next_stack_level): Cast result of computation to
15962 (void **) so that the assignment does not generate a warning.
15964 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
15966 * flags.h : Add new variable flag_single_precision_constant.
15967 * toplev.c (display_help) : Add -fsingle-precision-constant option.
15968 (flag_single_precision_constant): New.
15969 * c-lex.c (yylex): Convert floating point constant to single
15970 precision constant.
15971 * invoke.texi : Add documentation for this new option.
15973 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
15975 * diagnostic.c (output_octal): Second parameter is unsigned.
15976 (output_long_octal): Likewise.
15977 (output_hexadecimal): Likewise.
15978 (output_long_hexadecimal): Likewise.
15979 (output_format): Adjust arguments extraction. Tweak.
15980 (output_verbatim, verbatim): End variable argument list.
15981 (report_diagnostic): Improve documentation.
15983 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
15985 * c-common.h (build_stmt): Declare.
15986 (build_continue_stmt): Likewise.
15987 (build_break_stmt): Likewise.
15988 (build_return_stmt): Likewise.
15990 * c-decl.c (do_case): Rewrite to do what previously done in
15993 * c-semantics.c (build_stmt): Define.
15994 (build_return_stmt): Likewise.
15995 (build_break_stmt): Likewise.
15996 (build_continue_stmt): Likewise.
15997 (build_case_label): Likewise.
15999 * c-parse.in (BREAK): Change to build tree, then generate RTL.
16000 (CONTINUE): Likewise.
16001 (RETURN): Likewise.
16003 (DEFAULT): Likewise.
16005 * c-parse.y: Regenerate.
16006 * c-pasre.c: Likewise.
16008 2000-07-09 Jason Merrill <jason@redhat.com>
16010 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
16012 * tree.h (STRIP_NOPS): Check for error_mark_node.
16013 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
16014 (dwarf2out_*): Remove duplicate declarations.
16016 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
16017 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
16019 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
16021 * diagnostic.c (wrap_text): New function.
16022 (maybe_wrap_text): Likewise.
16023 (output_add_string): Use it.
16024 (output_format): Likewise.
16025 (count_error): Use verbatim instead of notice.
16026 (report_error_function): Likewise. Don't use plain fprintf.
16027 (finish_diagnostic): New function.
16028 (output_do_verbatim): Tweak. Commonalize functionalities in
16029 output_verbatim and verbatim.
16030 (output_verbatim): Adjust.
16031 (verbatim): Likewise.
16032 (report_diagnostic): Define.
16034 * diagnostic.h (report_diagnostic): Prototype.
16036 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
16038 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
16040 2000-07-09 Neil Booth <NeilB@earthling.net>
16042 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
16043 IShspace, ISspace: Update.
16045 * cppinit.c: ISTABLE: Update.
16048 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
16049 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
16050 (skip_block_comment, skip_line_comment, parse_string,
16051 lex_line): Use is_vspace rather than IS_NEWLINE.
16052 (skip_whitespace, lex_line): Clean up to use is_nvspace.
16053 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
16055 (lex_next): Unconditionally stop if within a directive.
16056 Treat directives within macro invocations as directives
16057 (after parse_args emits error), not as the argument.
16059 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
16061 * diagnostic.c (diagnostic_args): New macro.
16062 (diagnostic_msg): Likewise.
16063 (output_formatted_integer): Likewise.
16064 (output_state): New data type.
16065 (digit_buffer): Make global.
16066 (output_add_integer): Rename to output_decimal. Squeeze
16068 (output_long_decimal, output_unsigned_decimal,
16069 output_long_unsigned_decimal, output_octal, output_long_octal,
16070 output_hexadecimal, output_long_hexadecimal): New functions.
16071 (output_append_r): New function.
16072 (output_append): Tweak.
16073 (output_flush_on): Rename to output_to_stream.
16074 (output_format): Change prototype. Improve documentation. Handle
16075 more format specifiers.
16076 (build_location_prefix): Rename to context_as_prefix.
16077 (output_notice): Rename to output_do_printf.
16078 (output_printf): Tweak.
16079 (line_wrapper_printf): Likewise.
16080 (vline_wrapper_message_with_location): Adjust call to renamed
16082 (v_message_with_decl): Likewise.
16083 (default_print_error_function): Likewise.
16084 (save_output_state): New function.
16085 (restore_output_state): Likewise.
16086 (output_do_verbatim): Likewise.
16087 (output_verbatim): Define.
16088 (verbatim): Likewise.
16090 * diagnostic.h (printer_fn): Change return type from void to int.
16091 Improve documentation.
16092 (output_add_integer): Rename to output_decimal.
16093 (output_flush_on, output_format): Don't export.
16094 (output_verbatim, verbatim): Declare.
16096 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
16098 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
16099 Check whether c divides op1 exactly if operation is not
16102 2000-07-08 Richard Henderson <rth@cygnus.com>
16104 * final.c (final): Do not abort when reg-stack introduces
16107 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
16109 * cpplib.h (struct cpp_name): Now struct cpp_string.
16110 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
16111 CPP_HEADER_NAME): Change to type S.
16112 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
16113 field, a cpp_hashnode *. All references to val.name updated
16114 to use val.str or val.node as appropriate.
16115 (struct cpp_reader): Add spec_nodes field.
16116 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
16118 * cpphash.h (struct spec_nodes): New.
16119 (enum spell_type): Reorder. Only SPELL_STRING tokens use
16120 val.str. All references to 'spelling > SPELL_NONE' updated to
16123 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
16124 pfile->buffer->inc are not NULL before dereferencing them.
16126 * cpplex.c (parse_name): Take a pointer to the current token,
16127 plus current position and limit as args; return the new
16128 position; don't copy the text of a name into the string
16129 buffer, instead call cpp_lookup and store the node pointer.
16130 If extending a token, copy out the text of the old into a
16131 scratch buffer, append the new, look that up and store the new
16132 node pointer. Inline.
16133 (maybe_paste_with_next): If the result of paste is a NAME,
16134 then look up the pasted text and store its node pointer.
16135 (lex_line): Adjust for new parse_name interface.
16136 Check for L"str", L'str' using spec_nodes->n_L.
16137 (spell_token): SPELL_IDENT tokens have their spelling in
16138 val.node->name. Handle SPELL_STRING tokens that don't have
16140 (_cpp_expand_name_space,
16141 (can_paste): Check for L ## "str" using spec_nodes->n_L.
16142 (cpp_get_token, special_symbol): No need to call cpp_lookup.
16143 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
16144 return 1=equal 0=not, not a tristate.
16146 * cpphash.c (var_args_str): Delete.
16147 (find_param): Compare node fields directly.
16148 (is__va_args__): Use CPP_PEDANTIC. Just compare
16149 token->val.node with spec_nodes->n__VA_ARGS__.
16150 (dump_funlike_macro): Don't use var_args_str.
16152 * cpplib.c (_cpp_check_directive): Just walk through
16153 spec_nodes->dirs comparing pointers.
16154 (get_define_node, do_pragma_poison, detect_if_not_defined,
16155 parse_ifdef): The identifier has already been looked up.
16156 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
16158 (do_if): Only call detect_if_not_defined at beginning of file.
16159 (_cpp_parse_assertion): Only copy string pointers for
16160 SPELL_STRING tokens.
16161 (pragma_dispatch): Take a node pointer and examine its name
16163 (_cpp_init_stacks): Also initialize the spec_nodes structure.
16165 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
16167 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
16168 reverse order from the corresponding _cpp_init_* routines.
16170 * cppexp.c (parse_number, parse_charconst, parse_defined,
16171 lex): Check val.node->type instead of calling cpp_defined.
16172 Use spec_nodes entries where appropriate.
16174 * fix-header.c, scan-decls.c: Update for interface changes.
16176 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
16178 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
16179 emitting aux_truncdfsf2.
16181 2000-07-03 Donn Terry (donnte@microsoft.com)
16183 * cppinit.c (print_help): split overlong line into ISO C89
16186 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
16188 * cppexp.c: Update all code for new lexer interface.
16189 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
16190 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
16191 * cpplex.c (token_names): Trim leading CPP_ from names; make
16192 the strings unsigned.
16193 (_cpp_spell_operator): New.
16194 (is_macro_disabled): Disable all macros if rescanning
16196 (_cpp_get_directive_token): Remove.
16198 * cppinit.c: Don't set no_macro_expand.
16199 * cpplib.c (read_line_number, do_line): Check only for EOF,
16201 * cpphash.h: Update prototypes.
16202 * cpplib.h (CPP_VSPACE): Remove.
16203 (struct cpp_reader): Remove no_macro_expand.
16205 2000-07-08 Neil Booth <NeilB@earthling.net>
16207 * cpphash.c (is__va_args__): New function.
16208 (count_params): Fix line reported in error messages. Use
16209 is__va_args__. Don't return ')' on error. Flag GNU style
16210 rest args macro definitions.
16211 (parse_define): Check macro name is not __VA_ARGS__.
16212 (save_expansion): Check identifier in non-varargs-macro is
16213 not __VA_ARGS__. Don't flag GNU_VARARGS.
16214 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
16215 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
16216 than per-token GNU_VARARGS.
16217 * cpplib.h (GNU_VARARGS): Remove.
16218 (GNU_REST_ARGS): New.
16220 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
16222 * i386.md (call_pop, call, call_value_pop): Do not set
16223 current_function_uses_pic_offset_table for calls to static
16224 functions or indirect calls.
16226 2000-07-07 Jim Wilson <wilson@cygnus.com>
16228 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
16229 is_predicate_reg, then take max write_count of register pair.
16231 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16233 * tradcpp.c (main): Rename label `include' to `add_include' to
16234 avoid conflicts with variable `include' in traditional C.
16236 2000-07-07 Jakub Jelinek <jakub@redhat.com>
16238 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
16240 2000-07-07 Jakub Jelinek <jakub@redhat.com>
16242 * sibcall.c (uses_addressof): Add INMEM argument, check for
16243 current_function_internal_arg_pointer outside of MEM rtxs in addition
16245 (sequence_uses_addressof): Update caller.
16247 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
16249 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
16252 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16254 * system.h (UNION_INIT_ZERO): New macro for initializing union
16255 members in structs.
16257 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
16259 2000-07-07 Neil Booth <NeilB@earthling.net>
16261 * cpp.texi: Update.
16263 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
16265 * final.c (final): Detect out of bounds array access to
16266 the insn_lengths array.
16268 2000-07-07 Kazu Hirata <kazu@hxi.com>
16270 * fold-const.c (fold): Fix a comment typo.
16272 2000-07-07 Neil Booth <NeilB@earthling.net>
16274 * cpp.texi: Update to new lexer.
16276 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
16278 * tradcpp.c: New file.
16279 * tradcif.y: New file.
16280 * tradcif.c: New generated file.
16282 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
16283 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
16284 dependencies of C. Install tradcpp from install-common, in
16287 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
16289 * cppinit.c: Include cppdefault.h. Refer to
16290 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
16291 to GCC_INCLUDE_DIR and its length.
16292 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
16293 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
16294 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
16296 (include_defaults_array): Move to cppdefault.c.
16298 * cppdefault.h: New file.
16299 * cppdefault.c: New file.
16301 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
16302 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
16303 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
16306 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16308 * reload.c (push_reload): When seeing if can reuse a register,
16309 check extra registers against widest of INMODE and OUTMODE.
16311 2000-07-06 Neil Booth <NeilB@earthling.net>
16313 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
16314 based on full length of predicate.
16316 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
16318 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
16319 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
16321 2000-07-05 Kazu Hirata <kazu@hxi.com>
16323 * h8300-proto.h: Fix formatting.
16324 * h8300.c: Likewise.
16325 * h8300.h: Likewise.
16327 2000-07-05 Jim Wilson <wilson@cygnus.com>
16329 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
16332 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
16334 * invoke.texi: Fix minor typos
16335 * md.texi: Fix minor typos
16337 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
16339 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
16341 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
16343 * cpplex.c: Don't include sys/mman.h.
16344 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
16346 * cpplib.c: Include sys/mman.h and obstack.h.
16347 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
16349 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
16350 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
16351 bother freeing if stack entries (they will be freed with their buffer).
16352 (do_endif): Free if stack entries from the buffer obstack.
16353 (push_conditional): Allocate if stack entries from the buffer obstack.
16355 (find_answer): Rename to _cpp_find_answer.
16356 (do_assert, do_unassert): Update.
16358 * cpphash.h: Update prototypes.
16359 (xobnew): New convenience macro.
16360 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
16362 (struct cpp_hashnode): Remove disabled field.
16364 * cppinit.c: Don't include hashtab.h or splay-tree.h.
16365 (report_missing_guard): Moved to cppfiles.c.
16366 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
16368 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
16369 cpp_cleanup_includes. Don't destroy hashtab or
16370 all_include_files here.
16371 (cpp_finish): Use _cpp_report_missing_guards.
16373 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
16374 (_cpp_init_include_table): Rename _cpp_init_includes.
16375 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
16377 * cppexp.c (parse_assertion): Update for new name of
16380 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
16382 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
16384 * cpplib.c (do_ident): s/VSPACE/EOF/
16386 2000-07-05 Neil Booth <NeilB@earthling.net>
16388 * cpplex.c: Fix trigraph replacement within strings.
16390 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16392 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
16394 * xcoffout.c (assign_type_number): Constify.
16395 (xcoffout_source_file): Add static prototype. Don't needlessly
16396 cast away const-ness.
16398 2000-07-04 Jason Merrill <jason@redhat.com>
16400 * frame.h (frame_state): Move base_offset to end.
16402 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
16404 * calls.c (emit_library_call_value_1): Revert previous change.
16406 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
16408 * fix-header.c (struct partial_proto): Remove unnecessary fields.
16409 (recognized_extern, recognized_function, read_scan_file):
16410 Update for new scheme.
16411 (check_protection): It's still a multiple include guard even
16412 if it doesn't always trigger.
16413 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
16415 * scan.h: Declare struct cpp_token. Update prototypes.
16417 2000-07-03 Neil Booth <neilb@earthling.net>
16418 Zack Weinberg <zack@wolery.cumb.org>
16420 Complete overhaul of the lexer and macro expander.
16422 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
16423 arg, arglist, argdata, reflist, collect_objlike_expansion,
16424 collect_funlike_expansion, collect_params,
16425 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
16426 unsafe_chars, macarg, compare_defs, special_symbol,
16427 scan_arguments, stringify, funlike_macroexpand,
16428 _cpp_quote_string, monthnames): Delete.
16429 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
16430 _cpp_create_definition, _cpp_dump_definition,
16431 dump_hash_helper): Adjust.
16432 (find_param, count_params, parse_define, var_args_str,
16433 check_macro_redefinition, save_expansion): New.
16435 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
16436 parse_string, output_line_command, trigraph_replace,
16437 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
16438 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
16439 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
16440 _cpp_skip_rest_of_line): Modify.
16442 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
16443 find_position, null_warning, bump_column, expand_name_space,
16444 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
16445 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
16446 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
16447 _cpp_prescan): Delete.
16449 (dump_param_spelling, process_directive, lex_next,
16450 is_macro_disabled, stringify_arg, expand_context_stack,
16451 output_token, make_string_token, alloc_number_token,
16452 special_symbol, duplicate_token, maybe_paste_with_next,
16453 can_paste, prevent_macro_expansion, restore_macro_expansion,
16454 get_temp_token, release_temp_tokens, quote_string,
16455 token_names, token_spellings, _cpp_expand_name_space,
16456 _cpp_glue_header_name, _cpp_reserve_name_space,
16457 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
16458 placemarker_token, eof_token, cpp_context, macro_args,
16459 get_raw_token, parse_arg, parse_args, save_token,
16460 push_arg_context, push_macro_context, pop_context,
16461 do_pop_context, free_macro_args, _cpp_get_line,
16462 _cpp_run_directive): New.
16464 * cpplib.c (validate_else, parse_include, push_conditional,
16465 pass_thru_directive, read_line_number, parse_ifdef,
16466 detect_if_not_defined, _cpp_check_directive, do_define,
16467 do_undef, do_include, do_import, do_include_next, do_error,
16468 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
16469 top_pragmas, do_pragma_gcc, do_pragma_implementation,
16470 do_pragma_poison, do_pragma_system_header,
16471 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
16472 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
16473 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
16474 cpp_defined): Update for new scheme.
16475 (strtoul_for_line, get_define_node, dump_macro_name,
16476 _cpp_check_linemarker, _cpp_parse_assertion): New.
16477 (_cpp_handle_directive, do_pragma_default): Delete.
16479 * cpphash.h (struct predicate): Now struct answer.
16480 (enum spell_type, struct token_spelling, struct directive,
16481 directive_handler): New.
16482 Update prototypes. Remove unused macros.
16483 * cpplib.h: Update prototypes. Remove unused macros,
16484 structure definitions, and fields.
16486 * cpperror.c (print_containing_files, v_message): Adjust.
16487 * cppexp.c (parse_assertion, lex, parse_escape,
16488 _cpp_parse_expr): Adjust.
16489 * cppfiles.c (open_include_file, _cpp_execute_include,
16490 _cpp_compare_file_date, cpp_read_file, read_include_file):
16492 * cppinit.c (dump_special_to_buffer): Delete.
16493 (append_include_chain, merge_include_chains, cpp_reader_init,
16494 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
16495 cpp_finish, handle_option, print_help): Adjust.
16496 * cppmain.c (main): Adjust.
16498 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
16500 * cppspec.c (lang_specific_driver): Use double quotes in error
16503 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
16505 * calls.c (emit_library_call_value_1): Use valreg instead
16506 of hard_libcall_value.
16508 2000-07-03 Geoff Keating <geoffk@cygnus.com>
16510 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
16511 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
16512 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
16520 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
16521 mode instead of wider_mode is being used.
16523 2000-07-03 Jakub Jelinek <jakub@redhat.com>
16525 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
16526 of 'r'. Use q_regs_operand.
16527 (andsi_1+2): Use q_regs_operand.
16529 2000-07-03 Jakub Jelinek <jakub@redhat.com>
16531 * builtins.c (get_memory_rtx): Always put into alias set 0.
16533 2000-07-03 Nick Clifton <nickc@cygnus.com>
16535 * config/arm/arm.md: Fix post increment and pre increment
16536 peepholes so that they do not generate UNPREDICATBLE opcodes.
16537 (ie ones where the increment clobbers the source/destination).
16539 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
16541 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
16542 change too big for -mtiny-stack" a warning, if larger than 63.
16543 (out_set_stack_ptr): Change the logic so -mno-interrupts is
16544 always safe to use on possible future devices.
16545 (function_prologue): Write SPH before SPL, for consistency.
16546 If interrupt_func_p true, we know we have enabled interrupts.
16547 (avr_num_arg_regs): New function. Round up to even number of
16548 bytes if no -mpack-args or if calling a libgcc function.
16549 (function_arg, function_arg_advance): Use it.
16550 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
16551 Output "movw" if available.
16552 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
16553 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
16554 (asm_output_section_name): Add blanks for consistent output.
16555 (encode_section_info): Set TREE_READONLY for progmem data to
16556 avoid gas warnings about changed section attributes.
16557 (avr_hard_regno_mode_ok): Force non-QImode data to start in
16558 even numbered registers on devices with "movw".
16559 * config/avr/avr.h (MASK_*): Define bits for target_flags.
16560 (TARGET_SWITCHES): Mark help strings for translation.
16561 Add new -mpack-args and -menhanced switches.
16562 (TARGET_OPTIONS): Mark help strings for translation.
16563 (progmem_section): Add section attributes.
16564 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
16565 Output "movw" if available.
16566 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
16568 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
16569 call convention (arguments aligned on even registers).
16570 (_cleanup, _exit): Make weak symbols libc can override.
16572 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16574 * fp-bit.h: New file.
16576 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
16577 Comment #endif statements.
16578 (__thenan_sf, __thenan_df): Add missing braces around initializer.
16580 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
16582 * gcse.c (compute_pre_data): Compute ae_kill using other local
16583 properties instead of calling compute_ae_kill.
16585 * alias.c (init_alias_analysis): Do not call
16586 prologue_epilogue_contains until after reload has completed.
16588 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
16590 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
16591 (genrtl_finish_compound_stmt): Likewise.
16592 (genrtl_compound_stmt): Change to return void.
16594 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
16595 move code from here to ...
16596 (genrtl_compound_stmt): ... here.
16597 (genrtl_finish_compound_stmt): Remove.
16598 (expand_stmt): Add comment.
16600 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
16602 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
16605 2000-07-02 Jakub Jelinek <jakub@redhat.com>
16607 * cpplib.h (struct cpp_reader): New field include_depth.
16608 (struct cpp_printer): Rename last_bsd to last_id.
16609 * cppfiles.c (read_include_file): Bump include_depth.
16610 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
16611 (output_line_command): Output correct #line if a header
16612 is including itself and is not protected against multiple inclusion.
16613 Use include_depth instead of buffer_stack_depth, last_id instead of
16615 * cppinit.c (cpp_start_read): Initialize last_id instead of
16618 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
16620 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
16621 (c-semantics.o): New target.
16623 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
16624 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
16625 (genrtl_clear_out_block): Likewise.
16626 (genrtl_goto_stmt): Likewise.
16627 (genrtl_expr_stmt): Likewise.
16628 (genrtl_decl_stmt): Likewise.
16629 (genrtl_if_stmt): Likewise.
16630 (genrtl_while_stmt): Likewise.
16631 (genrtl_do_stmt): Likewise.
16632 (genrtl_return_stmt): Likewise.
16633 (genrtl_for_stmt): Likewise.
16634 (genrtl_break_stmt): Likewise.
16635 (genrtl_continue_stmt): Likewise.
16636 (genrtl_scope_stmt): Likewise.
16637 (genrtl_switch_stmt): Likewise.
16638 (genrtl_case_label): Likewise.
16639 (genrtl_begin_compound_stmt): Likewise.
16640 (gerntl_finish_compound_stmt): Likewise.
16641 (genrtl_compound_stmt): Likewise.
16642 (genrtl_asm_stmt): Likewise.
16643 (genrtl_decl_cleanup): Likewise.
16644 (DECL_ANON_UNION_ELEMS): Likewise.
16645 (emit_local_var): Likewise.
16646 (make_rtl_for_local_static): Likewise.
16647 (expand_cond): Likewise.
16648 (expand_stmt): Likewise.
16649 (c_expand_return): Likewise.
16650 (c_expand_start_case): Likewise.
16651 (do_case): Likewise.
16652 (COMPOUND_STMT_NO_SCOPE): Likewise.
16653 (c_expand_asm_operands): Likewise.
16654 (NEW_FOR_SCOPE_P): New macro.
16655 (expand_expr_stmt_fn): New type.
16657 (set_current_function_name_declared): Likewise.
16658 (current_function_name_declared): Likewise.
16659 (lang_expand_stmt): Likewise.
16660 (stmts_are_full_exprs_p): Likewise.
16661 (anon_aggr_type_p): Likewise.
16662 (lang_expand_expr_stmt): Likewise.
16663 (build_case_label): Likewise.
16665 * c-decl.c (lang_expand_expr_stmt): Initialize.
16666 (stmts_are_full_exprs_p): Define.
16667 (current_function_name_declared): Likewise.
16668 (do_case): Likewise.
16669 (lang_expand_stmt): Likewise.
16670 (set_current_function_name_declared): Likewise.
16671 (anon_aggr_type_p): Likewise.
16673 * c-semantics.c: New file.
16674 (expand_cond): Moved from cp/semantics.c.
16675 (genrtl_do_pushlevel): Likewise.
16676 (genrtl_clear_out_block): Likewise.
16677 (genrtl_goto_stmt): Likewise.
16678 (genrtl_expr_stmt): Likewise.
16679 (genrtl_decl_stmt): Likewise.
16680 (genrtl_if_stmt): Likewise.
16681 (genrtl_while_stmt): Likewise.
16682 (genrtl_do_stmt): Likewise.
16683 (genrtl_return_stmt): Likewise.
16684 (genrtl_for_stmt): Likewise.
16685 (genrtl_break_stmt): Likewise.
16686 (genrtl_continue_stmt): Likewise.
16687 (genrtl_scope_stmt): Likewise.
16688 (genrtl_switch_stmt): Likewise.
16689 (genrtl_case_label): Likewise.
16690 (genrtl_begin_compound_stmt): Likewise.
16691 (genrtl_finish_compound_stmt): Likewise.
16692 (genrtl_compound_stmt): Likewise.
16693 (genrtl_asm_stmt): Likewise.
16694 (genrtl_decl_cleanup): Likewise.
16695 (make_rtl_for_local_static): Moved from cp/decl.c.
16696 (emit_local_var): Likewise.
16697 (expand_stmt): Define.
16699 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
16700 (c_expand_return): Likewise.
16701 (c_expand_start_case): Likewise.
16703 2000-07-01 Richard Henderson <rth@cygnus.com>
16705 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
16706 with the low 13 bits set.
16707 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
16708 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
16709 of the low 13 bits into a CONST plus an adddi3.
16710 (load_symptr): Set RTX_UNCHANGING_P.
16712 See ChangeLog.3 for earlier changes.