1 2001-04-13 Alan Modra <amodra@one.net.au>
3 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
6 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
7 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
8 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
9 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
10 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
11 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
12 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
13 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
14 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
15 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
16 * pa64-hpux.h: New file.
17 (ASM_FILE_START): Correct typo.
18 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
19 * config.gcc: Modify for above.
21 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
23 * jump.c (jump_optimize_1): Don't delete dead stores here.
24 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
25 prior to running jump optimize before cse2.
27 2001-04-12 Stan Shebs <shebs@apple.com>
29 * objc/objc-act.c: Remove all code ifdefed with the never-used
30 macro OBJC_INT_SELECTORS.
31 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
32 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
34 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
36 * config/pa/quadlib.c: Add prototypes.
38 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * bitmap.h (debug_bitmap): Delete redundant prototype.
42 * rtl.h (get_frame_size): Likewise.
44 2001-04-12 Jim Wilson <wilson@redhat.com>
46 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
47 to just emit an fnorm.
49 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
51 * c-common.h (truthvalue_conversion, type_for_mode,
52 type_for_size): Delete redundant declarations.
54 * c-lex.h (is_class_name): Likewise.
56 * c-tree.h (pedantic, convert, getdecls, gettags,
57 global_bindings_p, init_decl_processing, insert_block,
58 maybe_build_cleanup, poplevel, print_lang_decl,
59 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
60 set_block, incomplete_type_error, build_function_call,
61 lvalue_or_else, mark_addressable): Likewise.
63 * expr.h (expand_tree_builtin): Likewise.
65 2001-04-12 Mark Mitchell <mark@codesourcery.com>
67 * invoke.texi: Document --param max-gcse-memory.
69 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
71 * configure.in (errno): Check for declaration.
72 * configure, config.in: Regenerated.
74 * system.h (errno): Only declare if not already done.
76 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
78 * recog.c (general_operand, immediate_operand,
79 nonmemory_operand): Require CONST_INTs to be sign-extended
80 values for their modes.
82 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
84 * expmed.c (store_bit_field): Truncate CONST_INTs.
85 (expand_mult_highpart, expand_divmod): Likewise.
86 * expr.c (convert_modes, store_field): Likewise.
87 * integrate.c (expand_inline_function): Use promote_mode() to
88 determine whether to convert_modes() an argument as signed
90 * optabs.c (expand_binop): Get CONST_INT operands
91 sign-extended for their appropriate modes.
92 * stmt.c (emit_case_nodes): Convert node values to the
94 (expand_end_case): Convert minval and range to the appropriate
96 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
97 the iteration variable.
98 * varasm.c (immed_double_const): Don't require words to be
99 narrower than host wide ints to properly sign-extend
102 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
104 * sh.md (builtin_setjmp_receiver): New expander.
106 2001-04-12 David Edelsohn <dje@watson.ibm.com>
108 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
109 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
110 for generating CONST_INT and CONST_DOUBLE.
112 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
114 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
115 already sign-extended.
116 (rs6000_emit_prologue): Make register iterator signed.
117 (rs6000_emit_epilogue): Likewise.
118 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
120 (movsf split, movdf split): Sign-extend CONST_INTs.
121 (movdi splits): Likewise.
123 2001-04-12 Kelley Cook <kelley.cook@home.com>
125 * config-lang.in (lang_dirs): Add in zlib.
127 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
129 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
130 operands that make it to RTL.
132 2001-04-11 Stan Shebs <shebs@apple.com>
134 Add Darwin (Mac OS X kernel) native support.
135 * config.gcc (powerpc-*-darwin*): Add native bits.
136 * config/darwin.c: New file, generic Darwin support functions.
137 * config/darwin.h: New file, generic Darwin definitions.
138 * config/darwin-protos.h: New file, generic Darwin prototypes.
139 * rs6000/darwin.h: New file, Darwin for PowerPC.
140 * rs6000/t-darwin: New file, Darwin makefile fragment.
141 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
142 (TARGET_MACHO): Ditto.
143 (rs6000_abi): Add ABI_DARWIN.
144 (RS6000_REG_SAVE): Add ABI_DARWIN case.
145 (RS6000_SAVE_AREA): Ditto.
146 (FP_ARG_MAX_REG): Ditto.
147 (RETURN_ADDRESS_OFFSET): Ditto.
148 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
150 (rs6000_emit_move): Add ABI_DARWIN cases.
151 (print_operand): Ditto.
152 (first_reg_to_save): Ditto.
153 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
154 (debug_stack_info): Ditto.
155 (rs6000_emit_prologue): Ditto.
156 (rs6000_emit_epilogue): Ditto.
157 (output_profiler_hook): Ditto.
158 (output_function_profiler): Ditto.
159 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
160 (output_mi_thunk): Add TARGET_MACHO case.
161 (add_compiler_stub): Ditto.
162 (output_compiler_stub): Ditto.
163 (no_previous_def): Ditto.
164 (output_call): Ditto.
165 (machopic_output_stub): Ditto.
166 (rs6000_machopic_legitimize_pic_address): Ditto.
167 (toc_section): Ditto.
168 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
172 (load_macho_picbase): Ditto.
173 (call): Add TARGET_MACHO case to modify function.
175 (call_nonlocal_sysv): Add ABI_DARWIN case.
176 (call_value_nonlocal_sysv): Ditto.
177 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
179 (machopic_output_stub): Ditto.
180 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
182 2001-04-11 Mark Mitchell <mark@codesourcery.com>
184 * dwarf2out.c (modified_type_die): Don't create new types here.
185 * tree.h (get_qualified_type): New function.
186 (build_qualified_type): Adjust comment.
187 * tree.c (get_qualified_type): New function.
188 (build_qualified_type): Use it.
190 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
192 * cpp.texi (-Wtraditional): Update description.
194 * invoke.texi (-Wtraditional): Likewise.
196 2001-04-11 Jim Wilson <wilson@redhat.com>
198 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
199 requires more than 64 bits of alignment.
201 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
203 * cpplib.c (do_line): Sanity check iff enable checking.
205 2001-04-11 Richard Henderson <rth@redhat.com>
207 * Makefile.in (insn-recog.o): Depend on toplev.h.
208 (insn-emit.o, doloop.o): Likewise.
209 * genrecog.c, genemit.c: Include toplev.h in generated file.
210 * doloop.c: Include toplev.h.
212 2001-04-11 Mark Mitchell <mark@codesourcery.com>
214 * Makefile.in (gcse.o): Depend on params.h.
215 * gcse.c: Include params.h.
216 (gcse_main): Don't do GCSE if doing so will take inordinate
218 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
219 * params.h (MAX_GCSE_MEMORY): New macro.
221 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
223 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
225 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
227 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
229 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
231 * real.h (ereal_atof, real_value_truncate, target_isnan,
232 target_isinf, target_negative, assemble_real, debug_real): Delete
233 redundant prototypes.
235 * Makefile.in (ifcvt.o): Depend on toplev.h.
237 * c-semantics.c: Include expr.h.
239 * ifcvt.c: Include toplev.h.
241 * expr.h (rtx_equal_p): Delete prototype.
243 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
244 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
245 eliminate_constant_term, expand_complex_abs, find_single_use,
246 make_tree, init_expr_once, init_optabs, supports_one_only):
249 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
250 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
251 expand_assignment, store_expr, emit_line_note_after,
252 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
254 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
256 * sparc-protos.h: Delete redundant prototypes.
258 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
260 * reload.c (push_reload): Add condition missed in SUBREG byte
263 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
265 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
267 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
269 * i386.md (floatsisf_sse): Fix output template
270 * i386.c (ix86_expand_fp_movcc)
272 * reg-stack.c (emit_pop_insn): Handle complex modes.
273 (move_for_stack_reg): Emit proper move mode.
274 (subst_stack_regs_pat): Handle complex modes.
276 2001-04-11 Jakub Jelinek <jakub@redhat.com>
278 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
280 2001-04-10 Richard Henderson <rth@redhat.com>
282 * libgcc2.h (__terminate_func_ptr): Remove typedef.
283 (__pure_virtual, __terminate, __terminate_set_func,
284 __default_terminate, __throw_type_match, __empty,
285 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
286 __eh_rtime_match, __unwinding_cleanup, __rethrow,
287 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
288 Remove prototypes of deleted functions.
290 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
292 * c-typeck.c (convert_arguments): -Wtraditional now activates
293 -Wconversion warnings, except for changes in signed-ness.
294 Detect complex<->int & int<->complex conversions as well.
296 * invoke.texi (-Wtraditional): Document it.
298 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
300 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
301 * flow.c (set_block_for_new_insns): Remove needless cast and
302 properly check for unset block number.
304 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
306 * function.c (purge_single_hard_subreg_set): Only check REGNO if
307 the subreg was a hard register. Pseudos are left as subregs.
309 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
311 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
312 (LIB2ADD_ST): New macro, pass it to mklibgcc.
313 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
314 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
315 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
317 2001-04-09 Bo Thorsen <bo@suse.co.uk>
319 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
321 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
323 * output.h (set_block_num): Missed it earlier, remove deprecated
326 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
328 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
329 (load_killed_in_block_p): Change bb parameter from int to basic_block.
330 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
331 (handle_rd_kill_set): Change bb parameter from int to basic_block.
332 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
333 (expr_killed_p): Change bb parameter from int to basic_block, pass
334 basic_blocks instead of ints as parameters.
335 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
336 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
337 from int to basic_block, pass basic_blocks instead of ints as parms.
338 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
339 parameter from int to basic_block, pass basic_blocks instead of ints.
340 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
341 (insert_insn_end_bb): Change bb parameter from int to basic_block,
342 pass basic_blocks instead of ints.
343 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
344 basic_blocks instead of ints as parameters.
345 (pre_delete): Pass basic_blocks instead of ints as parameters.
346 (hoist_expr_reaches_here_p): Change bb parameter from int to
347 basic_block, pass basic_blocks instead of ints.
348 (hoist_code): Pass basic_blocks instead of ints as parameters.
349 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
350 Change bb parameter from int to basic_block.
351 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
352 (insert_insn_start_bb): Change bb parameter from int to basic_block,
353 pass basic_blocks instead of ints.
354 (insert_store): Pass basic_blocks instead of ints as parameters.
355 (replace_store_insn, delete_store): Change bb parameter from int to
356 basic_block, pass basic_blocks instead of ints.
357 (store_motion): Pass basic_blocks instead of ints as parameters.
359 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
361 * basic-block.h (set_new_block_for_insns): New Prototype.
362 (set_block_num): Delete prototype.
363 * flow.c (set_block_num): Remove obsolete function.
364 (set_block_for_new_insns): Set BB for single or multiple insns.
365 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
366 (process_insn_end_bb): Use set_block_for_new_insns or
367 set_block_for_insn instead of set_block_num.
368 (pre_insert_copy_insn): Use set_block_for_new_insns.
369 (update_ld_motion_stores): Use set_block_for_new_insns.
370 (insert_insn_start_bb): Use set_block_for_new_insns.
371 (replace_store_insn): Use set_block_for_new_insns.
373 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
374 Jeff Law <law@redhat.com>
376 * alias.c (get_addr): Externalize.
377 (canon_true_dependence): New function. Behaves like true_dependance
378 except it already assumes a MEM has been canonicalized.
379 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
380 * gcse.c (struct ls_expr): Add load/store expressions structure.
381 (modify_mem_list, canon_modify_mem_list): New variable.
382 (gcse_main): Initialize & finalize alias analysis. Use enhanced
383 load motion and store motion if requested.
384 (alloc_gcse_mem): Allocate space for modify_mem_list array.
385 (free_gcse_mem): Free the modify_mem_list array.
386 (oprs_unchanged_p): Use load_killed_in_block_p.
387 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
388 (mems_conflict_for_gcse_p): New function. Don't kill loads
389 with stores to themselves if its in the load/store expression list.
390 (load_killed_in_block_p): New function.
391 (canon_list_insert): New Function.
392 (record_last_mem_set_info): Keep a list of all instructions which
393 can modify memory for each basic block.
394 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
395 (oprs_not_set_p): Use load_killed_in_block_p.
396 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
397 (expr_killed_p): Use load_killed_in_block_p.
398 (compute_transp): Do not pessimize memory references.
399 (pre_edge_insert): Update stores for a load motion expression.
400 (one_pre_gcse_pass): Check loads/stores for extra load motion.
401 (ldst_entry): Find or create a ldst_expr structure.
402 (free_ldst_entry): Free memory for an individual item.
403 (free_ldst_mems): Free entire load/store expression list.
404 (print_ldst_list): Print debug info.
405 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
406 (enumerate_ldsts): Assign integer values to each entry in list.
407 (first_ls_expr): First expression in the list.
408 (next_ls_expr): Next expression in the list.
409 (simple_mem): Check if expression qualifies for ld/st expression list.
410 (invalidate_any_buried_refs): Remove from expression list if its
411 used in some other way we dont understand.
412 (compute_ld_motion_mems): Find all potential enhanced load motion
414 (trim_ld_motion_mems): Remove any expressions which are invalid.
415 (update_ld_motion_stores): Copy store values to registers for loads
416 which have been moved.
417 (regvec, st_antloc, num_store): New global statics.
418 (reg_set_info): Marks registers as set.
419 (store_ops_ok): Verfies registers expressions are valid in a block.
420 (find_moveable_store): Look for moveable stores in a pattern.
421 (compute_store_table): Find stores in a function worth moving, maybe.
422 (load_kills_store): Check dependance of a load and store.
423 (find_loads): Find any loads in a pattern.
424 (store_killed_in_insn): Check if a store is killed in an insn.
425 (store_killed_after): Check is store killed after an insn in a block.
426 (store_killed_before): Check is store killed before an insn in a block.
427 (build_store_vectors): Generate the antic and avail vectors.
428 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
429 (insert_store): Add a store to an edge.
430 (replace_store_insn): Replace a store with a SET insn.
431 (delete_store): Delete a store insn.
432 (free_store_memory): Free memory.
433 (store_motion): Perform store motion.
434 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
435 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
436 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
437 (f_options): Add gcse-lm and gcse-sm.
439 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
441 * i386.c (expand_fp_movcc): Fix condition reversal code.
443 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
444 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
445 (CLASS_MAX_NREGS): Use it.
447 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
448 handle properly complex values.
449 (CLASS_MAX_NREGS): Likewise; update comment.
451 2001-04-05 Bernd Schmidt <bernds@redhat.com>
453 * ia64.c (ia64_flag_schedule_insns2): New variable.
454 (ia64_override_options): Initialize it. Clear
455 flag_schedule_insns_after_reload.
456 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
458 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
460 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
461 Do not require source to match destination anymore;
462 Add abort to the nontrivial cases that should be handled by split.
463 (fix_trunc?fdi): Add SSE case for x86_64.
464 (floatdi?f): Likewise.
465 (floatdi?f_sse): New.
466 (fix_trunc?fdi_sse): New.
468 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
470 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
471 (DEBUG_ARANGES_END_LABEL): Ditto.
472 (dwarfout_init): Generate length and version fields at the start
473 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
474 after the length field.
475 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
476 the .debug_aranges info.
478 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
480 * i386.c (call, call_value): Make sure that resulting call_insn
481 does have proper second operand.
483 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
485 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
486 function. Remove include of sys/cygwin.h.
488 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
490 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
491 (CPP_SPEC): Always search */include/w32api for header files.
492 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
493 (LINK_SPEC): Add "cyg" to the library search prefixes.
495 2001-04-08 Philip Blundell <philb@gnu.org>
497 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
499 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
501 * cpperror.c (print_location): Don't special case <stdin>.
502 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
503 WARNING, but we don't check if we're in system headers.
504 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
505 * cpplib.c (do_warning): Warn in system headers.
507 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
509 * mbchar.c: Include config.h first.
511 2001-04-07 Zack Weinberg <zackw@stanford.edu>
513 * config.gcc: Set default for xmake_file at top, not bottom.
514 Change places that set xmake_file to "none" to set to the
515 empty string instead, or remove them entirely if there is no
516 default xmake_file for this cpu_type. Remove references to
519 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
520 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
521 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
522 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
523 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
524 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
525 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
526 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
527 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
528 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
531 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
532 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
533 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
534 config/mips/x-sysv, config/rs6000/x-aix31:
535 Just set CLIB to -lld or -lmld, as appropriate.
537 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
538 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
539 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
540 config/mips/x-iris, config/pa/x-pa:
541 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
542 OTHER_FIXINCLUDES_DIRS.
544 * config/i386/x-djgpp: Don't set LN or LN_S.
545 * config/m88k/x-dolph: Don't define __m88k__.
546 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
547 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
548 * config/i860/fx2800.h: No need to #undef SVR4.
550 38 x-host fragments remain, 2 x-cpu.
552 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
554 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
556 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
558 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
560 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
562 * configure.in: Add check for lstat.
563 * configure, config.in: Regenerate.
564 * cppinit.c (append_include_chain): Make empty path ".".
565 * cpplib.c (do_line): Don't simplify #line paths.
566 * cppfiles.c (remove_component_p): New function.
567 (find_or_create_entry): Acknowledge stat () errors during
569 (handle_missing_header): Don't simplify paths.
570 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
571 the empty path untouched. Don't leave a trailing '/'.
573 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
575 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
576 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
578 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
580 * cppfiles.c (open_file): Fail directories silently, but
581 with an errno of NOENT set.
582 (read_include_file): Move the common exit code to the sole
583 caller. Return an int indicating success or failure. Let
584 open_file handle directories.
585 (stack_include_file): If read_include_file fails,
586 push a "null" buffer.
588 2001-04-05 DJ Delorie <dj@redhat.com>
590 * function.h (virtuals_instantiated): Declare.
591 * function.c: (virtuals_instantiated): Make global.
592 * calls.c (emit_library_call_value_1): Use
593 virtual_outgoing_args_rtx only if it hasn't been instantiated.
594 Otherwise, use the stack pointer directly.
596 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
598 * i386.c (x86_initialize_trampoline): New global function.
599 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
600 (INITIALIZE_TRAMPOLINE): Move offline.
601 * i386-protos.h (x86_initialize_trampoline): Declare.
603 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
605 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
606 (lea_0): Rename to lea_1.
607 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
608 (lea_general_?): Allow SImodes on TARGET_64BIT
609 (lea_general_?_zext): New patterns.
610 (call_1, call_1_rex64): Fix.
612 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
614 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
616 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
618 * i386.c (function_arg): Return constm1_rtx for last argument.
619 (ix86_expand_prologue): Update gen_call calls.
620 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
621 * i386.md (call_pop): Likewise.
622 (call): Second operand is VOIDmode.
623 (call_0): Likewise; Support 64bits.
624 (call_exp): New expander.
625 (call_1): Get to the sync.
626 (call_1_exp): New pattern.
627 (call_value): Support 64bit.
628 (call_value_exp): New pattern.
629 (untyped_call): Update gen_call call.
630 (call_value_pop): Disable for 64bit.
631 (call_value_0_rex64): New pattern.
632 (call_value_1_rex64): Likewise.
634 2001-04-05 Bo Thorsen <bo@suse.de>
636 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
638 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
640 * i386.md (*andsi_1+3): If used after reload, make sure the operand
641 satisfies ANY_QI_REG_P.
643 2001-04-05 Bernd Schmidt <bernds@redhat.com>
645 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
648 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
651 2001-04-04 Zack Weinberg <zackw@stanford.edu>
653 * config.gcc: Remove default for xm_file. Clean up local
654 machine type handling. Remove settings of xm_file to
655 something that doesn't exist. In the big switch, set xm_file,
656 don't append to it (the value before the big switch is always
657 null). Don't force build_xm_file or host_xm_file to have a value.
658 * configure.in: Remove default for xm_file. Do not special
659 case $cpu/xm-$cpu.h not existing.
660 * configure: Regenerate.
662 2001-04-04 Diego Novillo <dnovillo@redhat.com>
664 * simplify-rtx.c (simplify_binary_operation): Check for overflow
665 when folding integer division and modulo operations.
667 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
669 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
670 instead of DWARF2_ADDR_SIZE for EH addresses.
671 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
674 2001-04-04 Richard Henderson <rth@redhat.com>
676 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
677 * config/ia64/t-glibc (LIB2ADDEH): Disable.
678 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
680 2001-04-04 Richard Henderson <rth@redhat.com>
682 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
683 * configure: Rebuilt.
685 2001-04-04 Jakub Jelinek <jakub@redhat.com>
687 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
688 push insns to delete to it instead of deleting them.
689 (delete_null_pointer_checks): Delete insns from delete_list after
690 all delete_null_pointer_checks_1 passes are done.
692 2001-04-04 Richard Henderson <rth@redhat.com>
694 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
695 * configure: Rebuilt.
697 2001-04-04 Zack Weinberg <zackw@stanford.edu>
699 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
700 * config/romp/xm-romp.h: Delete.
702 2001-04-04 Bernd Schmidt <bernds@redhat.com>
704 * sched-deps.c (sched_analyze_insn): Partially revert March 27
707 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
709 * emit-rtl.c (mark_label_nuses) Increment the label uses for
710 all labels present in rtx.
711 (try_split) Call new function for all split insns.
713 2001-04-04 Jakub Jelinek <jakub@redhat.com>
715 * recog.c (validate_replace_rtx_1): Instead of aborting just make
716 sure the change won't be validated.
718 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
720 * rtl.h (set_noop_p): Declare.
721 * flow.c (set_noop_p): Move from here ...
722 * rtlanal.c (set_noop_p): ... to here and enhance.
723 * cse.c (delete_trivially_dead_insns): Use it.
724 * gcse.c (hash_scan_set): Likewise.
725 * jump.c (delete_noop_moves): Likewise.
726 * recog.c (split_all_insns): Likewise.
728 2001-04-04 Alan Modra <alan@linuxcare.com.au>
730 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
731 stack pointer via a LO_SUM. Ditto for setting a temp register
732 used to save to the stack. Set cfa_temp when setting fp, and
733 allow matches to cfa_temp in addition to cfa_store when saving
734 regs. Handle POST_INC and LO_SUM register stores. Document the
735 changes and errors in rule 12 doco.
737 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
738 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
739 (load_reg): Move closer to epilogue code.
740 (DO_FRAME_NOTES): Define to control the following..
741 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
742 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
744 (hppa_expand_epilogue): Likewise.
746 2001-04-03 Richard Henderson <rth@redhat.com>
748 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
749 * configure: Rebuild.
751 2001-04-03 Richard Henderson <rth@redhat.com>
753 * rtl.h (LCT_THROW): New.
754 * calls.c (emit_library_call_value_1): Handle it.
755 * except.c (connect_post_landing_pads): Use it.
757 2001-04-03 Zack Weinberg <zackw@stanford.edu>
759 * gansidecl.h: Delete file.
760 * configure.in: Change all refs to gansidecl.h to use
761 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
763 * configure: Regenerate.
765 * Makefile.in (intl.o): Don't depend on gansidecl.h.
766 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
767 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
768 Don't include gansidecl.h.
769 * intl.c, main.c, version.c, fixinc/fixlib.h,
770 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
773 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
775 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
778 2001-04-03 Zack Weinberg <zackw@stanford.edu>
780 * config/i386/xm-beos.h, config/i386/xm-isc.h,
781 config/i386/xm-next.h, config/i386/xm-sco.h,
782 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
783 config/m88k/xm-m88k.h: Delete.
785 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
786 * config/romp/xm-romp.h: Don't define bcopy.
787 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
788 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
790 * config.gcc: Remove references to deleted files.
792 14 xm-host.h remain, 1 xm-cpu.h.
794 2001-04-03 Jakub Jelinek <jakub@redhat.com>
795 David S. Miller <davem@pierdol.cobaltmicro.com>
796 Andrew MacLeod <amacleod@redhat.com>
798 Use byte offsets in SUBREGs instead of words.
800 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
801 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
802 to pass new argument.
803 (add_stored_regs): Use subreg_regno_offset function.
804 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
806 (precompute_arguments): Use gen_lowpart_SUBREG.
807 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
808 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
809 (simplify_set): Rework to use SUBREG_BYTE.
810 (expand_field_assignment): Use SUBREG_BYTE.
811 (make_extraction): Use SUBREG_BYTE.
812 (if_then_else_cond): Use SUBREG_BYTE.
813 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
814 (gen_lowpart_for_combine): Compute full byte offset.
815 * cse.c (mention_regs): Use SUBREG_BYTE.
816 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
817 (canon_hash): Use SUBREG_BYTE.
818 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
819 (gen_lowpart_if_possible): Formatting.
820 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
822 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
823 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
824 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
825 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
826 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
827 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
828 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
829 certain invariants about SUBREGs the compiler creates.
830 (gen_lowpart_SUBREG): New function.
831 (subreg_hard_regno): New function to get the final register number.
832 (gen_lowpart_common): Use SUBREG_BYTE.
833 (gen_imagpart): Spacing nits.
834 (subreg_realpart_p): Use SUBREG_BYTE.
835 (gen_highpart): Use SUBREG_BYTE.
836 (subreg_lowpart_p): Always compute endian corrected goal offset,
837 even at the byte level, then compare against that.
838 (constant_subword): New function, pulled out all constant cases
839 from operand_subword and changed second argument name to offset.
840 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
841 and call constant_subword to do the work. Return const0_rtx if
842 looking for a word outside of OP.
843 (operand_subword_force): Change second arg name to offset.
844 * expmed.c (store_bit_field): Use SUBREG_BYTE.
845 (store_split_bit_field): Use SUBREG_BYTE.
846 (extract_bit_field): Use SUBREG_BYTE.
847 (extract_split_bit_field): Use SUBREG_BYTE.
848 (expand_shift): Use SUBREG_BYTE.
849 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
850 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
851 * flow.c (set_noop_p): Use SUBREG_BYTE.
852 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
853 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
854 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
856 (optimize_bit_field): Use SUBREG_BYTE.
857 (purge_addressof_1): Use SUBREG_BYTE.
858 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
859 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
860 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
861 * gengenrtl.c (special_rtx): Add SUBREG.
862 * global.c (mark_reg_store): Use SUBREG_BYTE.
863 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
864 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
865 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
866 final byte offset is congruent to subreg's mode size.
867 (subst_constants): Use SUBREG_BYTE.
868 (mark_stores): Use subreg_regno_offset function.
869 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
870 function and SUBREG_BYTE.
871 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
872 (reg_is_born): Use subreg_hard_regno.
873 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
874 endian correction code. Don't combine subregs unless resulting
875 offset aligns with type. Fix subreg constant extraction for DImode.
876 Simplify SUBREG of VOIDmode CONST_DOUBLE.
877 (general_operand): Remove dead mode_altering_drug code.
878 (indirect_operand): Use SUBREG_BYTE.
879 (constrain_operands): Use subreg_regno_offset function.
880 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
881 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
882 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
883 * regs.h (REG_SIZE): Allow target to override.
884 (REGMODE_NATURAL_SIZE): New macro which target can override.
885 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
886 on the entire subreg rtx.
887 (push_reload): Use SUBREG_BYTE in comments and code.
888 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
889 for hard registers inside subregs.
890 (operands_match_p): Use subreg_regno_offset.
891 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
892 containing hard regs.
893 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
894 corrections when fixing up MEM subregs.
895 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
896 subreg_regno_offset where appropriate.
897 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
898 byte endian corrections when fixing up MEM subregs.
899 (subst_reloads): When combining two subregs, make sure final
900 offset is congruent to subreg's mode size.
901 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
902 (refers_to_regno_for_reload_p): Use subreg_regno.
903 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
904 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
905 correction code for memory subreg fixups.
906 (forget_old_reload_1): Use subreg_regno_offset.
907 (choose_reload_regs): Use subreg_regno.
908 (emit_input_reload_insns): Use SUBREG_BYTE.
909 (reload_combine_note_store): Use subreg_regno_offset.
910 (move2add_note_store): Use subreg_regno_offset.
911 * resource.c (update_live_status, mark_referenced_resources): Use
912 subreg_regno function.
913 (mark_set_resources): Use subreg_regno function.
914 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
915 (subreg_regno_offset, subreg_regno): Define prototypes.
916 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
917 (gen_lowpart_SUBREG): Add prototype.
918 * rtl.texi (subreg): Update to reflect new byte offset representation.
919 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
920 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
921 (reg_overlap_mentioned_p): Use subreg_regno.
922 (replace_regs); Make sure final offset of combined subreg is
923 congruent to size of subreg's mode.
924 (subreg_regno_offset): New function.
925 (subreg_regno): New function.
926 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
927 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
928 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
929 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
930 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
931 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
932 (a29k_get_reloaded_address): Use SUBREG_BYTE.
933 (print_operand): Use SUBREG_BYTE.
934 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
935 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
936 (arm_reload_out_hi): Use SUBREG_BYTE.
937 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
938 instead of SUBREG_WORD.
939 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
940 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
941 SUBREG creation to use byte offset.
942 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
943 inverted load insns): Fix explicit rtl subregs to use byte
945 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
946 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
947 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
948 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
950 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
951 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
952 offsets, also make sure it is congruent to SUBREG's mode size.
953 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
954 unnamed ldob insn): Generate SUBREGs with byte offset.
955 (zero_extendqihi2): SUBREG's are byte offsets.
956 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
957 (m68hc11_gen_highpart): Use SUBREG_BYTE.
958 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
959 zero-extendqisi2): Generate SUBREGs with byte offset.
960 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
961 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
962 subregs in rtl to use byte offsets.
963 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
964 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
965 (mips_move_2words): Use subreg_regno_offset.
966 (mips_secondary_reload_class): Use subreg_regno_offset.
967 * config/mips/mips.md (DImode plus, minus, move, and logical op
968 splits): Fixup explicit subregs in rtl to use byte offsets.
969 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
970 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
971 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
972 rtl to use byte offsets.
973 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
974 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
975 subregs to use byte offsets.
976 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
977 Fixup explicit subregs in rtl to use byte offsets.
978 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
979 and remove byte endian correction code.
980 * config/sh/sh.c (output_movedouble): Use subreg_regno.
981 (gen_ashift_hi): Use SUBREG_BYTE.
982 (regs_used): Use subreg_regno_offset.
983 (machine_dependent_reorg): Use subreg_regno_offset.
984 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
985 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
986 (movdf_i4): Subregs are byte offsets now.
987 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
988 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
989 (REGMODE_NATURAL_SIZE): Override.
990 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
991 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
993 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
994 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
995 extendqidi2): Generate SUBREGs with byte offsets, also make sure
996 it is congruent to SUBREG's mode size.
997 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
999 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1000 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1001 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1002 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1003 * config/v850/v850.c (print_operand, output_move_double): Use
1004 subreg_regno function.
1006 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1008 * configure.in (target_subdir): Use target_alias, not target.
1009 * configure: Rebuilt.
1011 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1013 * config/sh/crti.asm: Fix typos in comments.
1015 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1017 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1018 TARGET_FAST_INDIRECT_CALLS.
1019 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1021 (return_addr_rtx): Short circuit export stub matching when
1022 TARGET_NO_SPACE_REGS.
1023 (output_millicode_call): For out of range calls, make -fPIC
1024 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1025 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1026 * pa.md: Modify length attr calculation of all millicode insns to
1029 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1031 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1032 Require at least 2.11 in the version test. Specifically check
1033 for and reject GAS version 2.10.90.
1034 * configure: regenerate.
1036 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1038 * pa.c (override_options): Remove PIC profiling warning.
1039 (hp_profile_labelno): Delete.
1040 (hp_profile_label_rtx): Delete.
1041 (hp_profile_label_name): Delete.
1042 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1043 (output_function_prologue): Remove profiling code and all tests on
1044 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1045 merge_sp_adjust_with_store can work for PIC and profiling.
1046 (hppa_expand_epilogue): Remove profile_flag test.
1047 (hppa_can_use_return_insn_p): Likewise.
1048 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1049 cater for PROFILE_HOOK.
1050 (hppa_profile_hook): New function.
1051 * pa.h (FUNCTION_PROFILER): Now does nothing.
1052 (PROFILE_HOOK): Define.
1053 (hppa_profile_hook): Declare.
1054 (PROFILE_BEFORE_PROLOGUE): Delete.
1055 (ASM_OUTPUT_REG_PUSH): Delete.
1056 (ASM_OUTPUT_REG_POP): Delete.
1057 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1058 r24. Accept function name operand, and use this and a locally
1059 generated label to calculate pc-rel offset to func start.
1061 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1063 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1064 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1067 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1069 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1070 LO_SUM cases to where they belong.
1072 2001-04-02 Richard Henderson <rth@redhat.com>
1074 * except.h (lang_eh_type_covers): Mark extern.
1075 (lang_eh_runtime_type): Likewise.
1077 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1079 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1080 gengenrtl.c: Wrap generated header in multiple-include guard.
1081 Improve error checking.
1083 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * configure.in: Don't check for putenv.
1086 * configure: Regenerate.
1087 * gcc.c (putenv): Don't define.
1088 * vax/xm-vms.h: Handle putenv.
1090 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1092 * ifcvt.c (noce_emit_move_insn): New.
1093 (noce_try_store_flag, noce_try_store_flag_constants,
1094 noce_try_store_flag_inc, noce_try_store_flag_mask,
1095 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1096 noce_try_abs): Use it.
1097 (noce_process_if_block): Likewise.
1098 For STRICT_LOW_PART, take mode from its SUBREG.
1100 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1102 * fold-const.c (fold): Before optimizing unsigned comparison with
1103 0x7fffffffU, make sure arg0 is integral type.
1105 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1107 * c-tree.texi: Document representation of wide strings.
1109 2001-04-01 Richard Henderson <rth@redhat.com>
1111 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1113 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1115 * i386.md: remove obsoleted comments.
1116 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1117 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1118 fix output template.
1120 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1122 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1124 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1126 * loop.c (load_mems): When generating a load from a pseudo, update
1129 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1131 * i386.c (ix86_split_long_move): Use change address to compensate
1132 stack pointer change in push instruction.
1134 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1136 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1137 instead of rtx_equal_p; fix the output template.
1139 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1141 * i386.c (ix86_expand_setcc): Support 64bit.
1142 (ix86_expand_int_movcc): Likewise.
1143 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1146 * i386.md (allocate_stack_worker): Turn to expander.
1147 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1149 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1151 2001-03-29 Richard Henderson <rth@redhat.com>
1153 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1155 2001-03-28 Matthew Hiller <hiller@redhat.com>
1157 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1160 * MAINTAINERS: Added self.
1162 2001-03-28 Richard Henderson <rth@redhat.com>
1164 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1165 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1167 2001-03-28 Jim Wilson <wilson@redhat.com>
1169 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1172 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1174 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1176 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1179 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1181 2001-03-28 DJ Delorie <dj@redhat.com>
1183 * Makefile.in (stage1_build): Revert CFLAGS patch.
1185 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1187 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1188 when multiplier or multiplicand is zero.
1190 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1192 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1194 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1196 (set_src_needs_barrier): Likewise.
1197 (rtx_needs_barrier): For SET case, use these two functions. Rework
1198 PARALLEL case to handle all inputs before all outputs.
1199 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1200 saw a label and no stop bit since then.
1201 (maybe_rotate, process_epilogue): Add prototypes.
1203 2001-03-28 Richard Henderson <rth@redhat.com>
1205 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1206 not TARGET_TOC for special toc restore handling.
1207 * config/rs6000/rs6000.md (eh_return): Likewise.
1209 2001-03-28 Richard Henderson <rth@redhat.com>
1211 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1212 current_function_calls_eh_return.
1213 (output_function_epilogue): Handle eh_return.
1214 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1215 (EH_RETURN_DATA_REGNO): New.
1216 (EH_RETURN_STACKADJ_RTX): New.
1217 (EH_RETURN_HANDLER_RTX): New.
1218 * config/sparc/sparc.md (call/short branch peepholes): Check
1219 can_throw_internal instead of in_same_eh_region.
1221 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1222 for eh_return data registers.
1223 (rs6000_emit_prologue): Save eh_return data registers.
1224 (rs6000_emit_epilogue): Force inline restores if eh_return.
1225 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1226 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1227 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1228 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1229 the target uses one.
1230 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1231 (return_eh_si, return_eh_di): Remove.
1232 (eh_return): New, from corpse of eh_epilogue.
1233 (eh_set_lr_si, eh_set_lr_di): New.
1235 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1236 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1237 True for pic register if current_function_calls_eh_return.
1238 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1239 Handle eh_return requirements.
1240 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1241 (EH_RETURN_STACKADJ_RTX): New.
1242 * config/i386/i386.md (exception_receiver): Remove.
1243 (eh_return, eh_return_1): New.
1244 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1246 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1247 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1248 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1249 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1250 (EH_RETURN_DATA_REGNO): New.
1251 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1252 * config/alpha/alpha.md (eh_epilogue): Remove.
1253 (exception_receiver): Use $26 for ldgp input.
1254 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1256 2001-03-28 Richard Henderson <rth@redhat.com>
1258 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1259 * except.h: Likewise.
1261 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1262 (LIB2ADDEHDEP): New.
1263 (LIB2FUNCS_EH): Remove.
1264 (LIB2ADD): Remove LIB2ADDEH.
1265 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1266 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1267 (crt{begin,end}[S].o): Likewise.
1268 (except.o): Update includes.
1269 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1270 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1272 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1273 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1274 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1275 * builtins.c (expand_builtin): Implement it.
1276 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1277 * c-common.c (c_common_nodes_and_builtins): Declare it.
1278 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1279 * calls.c (libfunc_nothrow): Remove.
1280 (emit_library_call_value_1): Don't call it.
1281 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1282 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1283 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1284 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1285 (current_funcdef_number): Globalize.
1286 (output_call_frame_info): Emit frame data if an lsda is needed.
1287 Generate augmentation for personality routine. Don't play with
1289 (dwarf2out_begin_prologue): Record funcdef_number.
1290 * dwarf2out.h (current_funcdef_number): Declare.
1291 * expr.c (expand_expr): Update for except.h name changes.
1292 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1293 * expr.h (LTI_throw, LTI_rethrow): Remove.
1294 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1295 (LTI_eh_rtime_match): Remove.
1296 (LTI_unwind_resume, LTI_eh_personality): Add.
1297 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1298 * final.c (final): Don't call check_exception_handler_labels,
1299 init_insn_eh_region, or free_insn_eh_region.
1300 (final_scan_insn): Always emit debug labels for
1301 NOTE_INSN_EH_REGION notes.
1302 * flags.h (flag_new_exceptions): Remove.
1303 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1304 (record_active_eh_regions): Remove.
1305 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1306 Use can_throw_internal.
1307 (find_basic_blocks_1): Likewise.
1308 (move_stray_eh_region_notes): Remove.
1309 (find_label_refs): No eh_return_stub_label.
1310 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1311 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1313 (delete_unreachable_blocks): Don't track deleted handlers.
1314 (flow_delete_block): Use maybe_remove_eh_handler.
1315 (delete_eh_regions): Remove.
1316 (merge_blocks): Don't check for eh region match.
1317 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1318 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1319 (init_propagate_block_info): Disable dead frame store optimization
1320 when current_function_calls_eh_return.
1321 (dump_bb): Don't print eh_beg, eh_end.
1322 * function.c (fixup_var_refs): No catch_clauses.
1323 (expand_function_end): Likewise. Call expand_eh_return before
1324 the return register use. Call sjlj_emit_function_exit_after.
1325 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1326 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1327 * ifcvt.c (dead_or_predicable): Remove eh region check.
1328 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1329 Don't check for EH vs parameters.
1330 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1331 (expand_inline_function): Call duplicate_eh_regions.
1332 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1333 (copy_insn_notes): Remap REG_EH_REGION notes.
1334 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1335 * integrate.h (struct inline_remap): Add local_return_label.
1336 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1337 check_exception_handler_labels, nor exception_optimize.
1338 (find_cross_jump): No EH region check.
1339 * optabs.c (init_optabs): Update for changed eh libfuncs.
1340 * rtl.def (RESX): New.
1341 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1342 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1343 checks. Update for except.h name changes.
1344 (expand_cleanups): Likewise.
1345 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1346 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1347 (compile_file): Call init_eh before init_optabs. Don't
1348 output_exception_table here.
1349 (rest_of_compilation): Call convert_from_eh_region_ranges,
1350 convert_to_eh_region_ranges, output_function_exception_table.
1351 Don't emit_eh_context.
1352 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1353 (EXC_PTR_EXPR): New.
1355 * md.texi (eh_epilogue): Remove.
1356 (eh_return): Document.
1357 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1358 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1360 * eh-common.h: Remove file.
1361 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1362 * libgcc2.c (L_eh): Remove.
1364 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1365 * unwind-dw2-fde.h: New file.
1366 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1367 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1368 * libgcc-std.ver: Update for eh symbols.
1370 2001-03-27 Richard Henderson <rth@redhat.com>
1372 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1373 reduce false positives.
1374 (regmove_optimize): Disable if flag_non_call_exceptions.
1376 * stmt.c (expand_return): Remove always true predicate.
1377 (expand_decl_cleanup_no_eh): Remove dead code.
1379 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1380 barrier code. Add a scheduling barrier if a non-call insn
1381 can throw internally.
1383 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1384 Auto-inc addresses trap only if their base register does.
1386 * except.c (can_throw_internal): Rename from can_throw.
1387 * except.h, resource.c: Update references.
1389 * integrate.c (copy_insn_list): Use returnjump_p.
1390 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1392 * function.h (struct function): Move all boolean valued fields
1393 to single bit fields at the end of the struct.
1395 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1397 Rename asynchronous_exceptions to flag_non_call_exceptions.
1399 * gthr-single.h (UNUSED): New. Distinguish between how C
1400 and C++ mark unused function arguments. Use throughout.
1402 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1403 value to target configuration header.
1404 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1405 * config.in, configure: Rebuild.
1406 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1407 configuration and target defines.
1408 (exceptions_via_longjmp): Remove.
1409 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1410 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1412 * except.h (flag_non_call_exceptions): Move ...
1413 * flags.h: ... here.
1415 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1416 exceptions, put the note on the trapping instruction.
1418 * flags.h (flag_new_exceptions): Remove.
1419 * toplev.c: Don't set it.
1420 * final.c: Don't check it.
1421 * except.c: Provide stub definition.
1423 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1424 (calculate_global_regs_live): Kill call-clobbered registers
1425 across exception edges.
1426 * reg-stack.c (convert_regs_1): Kill the entire target stack
1427 across non-call exception edges.
1429 * flow.c (cleanup_cfg): Take no argument.
1430 * output.h, sibcall.c, toplev.c: Update all calls.
1432 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1434 * configure.in: Don't check for bcopy.
1435 * configure, config.in: Regenerate.
1437 * system.h: Don't define or prototype bcopy, instead poison it.
1439 2001-03-27 Richard Henderson <rth@redhat.com>
1441 * function.c (expand_function_start): Set DECL_REGISTER on
1442 a pseudo used for DECL_RESULT.
1444 * rtl.h (LCT_NORETURN): New.
1445 * calls.c (emit_library_call_value_1): Handle it.
1447 2001-03-27 Stan Shebs <shebs@apple.com>
1449 * objc/objc-act.c (objc_init): Use dump_base_name.
1450 (gen_declaration): Clear the buffer arg.
1451 (gen_declaration_1): New function, body of gen_declaration.
1452 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1453 (gen_method_decl): Ditto, plus always clear buffer arg.
1454 (error_with_ivar): Simplify.
1455 (warn_with_method): Ditto.
1456 (build_message_expr): Don't clear buffers.
1457 (dump_interface): Ditto.
1458 (objc_debug): Ditto.
1459 (build_keyword_selector): Clear the buffer by only zeroing
1461 (objc_implementation_context): Declare.
1462 (start_class): Warn about missing @end.
1463 (finish_objc): Ditto.
1465 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1467 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1469 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1471 * Makefile.in (SYSTEM_H): Define.
1472 Depend on $(SYSTEM_H), not system.h.
1474 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1476 2001-03-27 Jim Wilson <wilson@redhat.com>
1478 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1480 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1481 (process_epilogue): New static function.
1482 (process_set): Call process_epilogue instead of emitting .restore
1484 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1486 * flow.c (struct reg_cond_life_info): New fields orig_condition
1488 (init_propagate_block_info): Set new fields.
1489 (mark_regno_cond_dead): Set and use new fields.
1490 (flush_reg_cond_reg_1): Likewise.
1491 (and_reg_cond, case AND): Check for redundant AND conditions.
1492 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1495 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1497 * cppmacro.c (stringify_arg): Null terminate strings.
1499 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1501 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1502 inclusion style. xm-m68hc11.h no longer exists.
1503 * config/m68hc11/xm-m68hc11.h: Delete file.
1504 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1506 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1507 Don't define GCC_VERSION, N_, or PARAMS; don't include
1508 gansidecl.h or stdio.h. Define inhibit_libc here.
1509 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1510 Delete code conditioned on #if GCC_VERSION == 2095.
1512 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1513 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1514 Delete code conditioned on #if GCC_VERSION == 2095.
1516 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1518 * system.h: Include symcat.h.
1519 (STRINGIFY): Don't define.
1521 * configure.in: Adjust comment.
1523 * builtins.c: Use STRINGX, not STRINGIFY.
1524 * gencheck.c: Likewise.
1525 * gengenrtl.c: Likewise.
1526 * protoize.c: Likewise.
1528 * cpplex.c: Don't include symcat.h.
1529 * cpplib.c: Likewise.
1531 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1533 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1535 * c-typeck.c (digest_init): Fold init expression.
1537 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1539 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1541 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1543 * except.c (eh_regs): Save results of build_pointer_type to a temp
1544 as FUNCTION_VALUE macro may evaluate its args multiple times.
1546 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1548 * c-common.h (DECL_NUM_STMTS): New macro.
1549 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1551 (pushdecl): Likewise.
1552 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1553 * integrate.c (expand_inline_function): Don't check
1555 * print-tree.c (print_node): Don't print it.
1556 * toplev.c (rest_of_compilation): Don't try to inline when
1557 flag_no_inline is on.
1558 * tree.h (DECL_FRAME_SIZE): Remove.
1559 (tree_decl): Adjust accordingly.
1561 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1563 * combine.c (try_combine): Use memcpy, not bcopy.
1565 * genattrtab.c (expand_units): Likewise.
1567 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1569 * i386.md (push mem DI peep2): New.
1570 (mov 0, mov -1 peep2): Handle 64bit.
1571 (lea to arithmetics peep2): Handle 64bit leas.
1572 (rsp arithmetics to push/pop peep2s): New.
1574 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1576 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1578 * i386.c (struct machine_function): Add save_varrargs_registers.
1579 (ix86_save_varrargs_registers): New macro.
1580 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1581 (ix86_expand_prologue): Likewise.
1582 (ix86_emit_epilogue_esp_adjustement): Likewise.
1583 (ix86_expand_epilogue): Likewise.
1584 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1585 (pro_epilogue_adjust_stack_1): New insn.
1586 (pro_epilogue_adjust_stack_rex64): Likewise.
1587 * i386.h (MASK_NO_RED_ZONE): New constant.
1588 (TARGET_RED_ZONE): New macro.
1589 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1590 (RED_ZONE_SIZE): New constant.
1591 (RED_ZONE_RESERVE): New constant.
1593 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1595 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1597 2001-03-25 Kazu Hirata <kazu@hxi.com>
1599 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1602 (umodhi3): Likewise.
1605 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * mkconfig.sh (DEFINES): Handle entries with '='.
1609 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1610 Set xm_defines to MACRO=value instead.
1612 * i370/xm-mvs.h: Delete.
1614 * ns32k/xm-pc532-min.h: Likewise.
1616 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1618 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1620 use ix86_expand_binary_operator
1621 (?sh??i_?): Disable for 64bit.
1622 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1623 * i386.c (shiftdi_operand): New predicate.
1625 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1626 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1627 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1628 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1629 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1630 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1631 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1632 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1633 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1634 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1635 (rotldi3, rotrdi3): New expanders.
1637 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1639 * i386.md (movstrsi): Move offline.
1641 (strmovdi_rex64): New.
1642 (strmov?i): Accept 64bit.
1643 (strmov?i_rex64): New.
1644 (strmov?i_rex_1): New.
1645 (strmov?i_1): Disable for 64bit.
1646 (rep_mov?i_rex64): New.
1647 (rep_mov?i): Disable for 64bit.
1648 (clrstrsi): Move offline.
1649 (strset?i_rex64): New.
1650 (strset?i: Accept 64bit.
1651 (rep_stos?i): Disable for 64bit.
1652 (rep_stos?i_rex64): New.
1653 (strset?i_rex_1): New.
1654 (strset?i_1): Disable for 64bit.
1655 (cmpstrsi): Accept 64bit.
1656 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1657 (cmpstrqi_nz_rex_1): New.
1658 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1659 (strlensi): Move offline.
1661 (strlenqi_1): Disable for 64bit; fix constraints.
1662 (strlenqi_rex_1): New.
1663 * i386.c (ix86_adjust_counter): New static function.
1664 (ix86_zero_extend_to_Pmode): Likewise.
1665 (ix86_expand_aligntest): Likweise.
1666 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1667 (ix86_expand_movstr): New global function.
1668 (ix86_expand_clrstr): New global function.
1669 (ix86_expand_strlen): New global function.
1670 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1671 ix86_expand_strlen): Declare.
1672 (ix86_expand_strlensi_unroll_1): Delete.
1674 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1676 * i386.md (cmpdi): Fix operand predicates.
1677 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1678 cmpdi_1_insn_rex64): New patterns.
1679 (adddi3): Turn to expander.
1680 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1681 (addsi3_carry_zext): New pattern.
1682 (adddi_?_rex64): New patterns and splitters.
1683 (addsi_?_zext): New patterns.
1684 (subsi3_carry_zext): New pattern.
1685 (subdi_?_rex64): New patterns and splitters.
1686 (iorsi_?_zext): New patterns.
1687 (iordi_?_rex64): New patterns and splitters.
1688 (iorsi_?_zext): New patterns.
1689 (iorsi_?_zext_imm): New patterns.
1690 (xorsi_?_zext): New patterns.
1691 (xordi_?_rex64): New patterns and splitters.
1692 (xorsi_?_zext): New patterns.
1693 (negdi*): New patterns.
1694 (one_cmpldi*): Likewise.
1695 (one_cmplsi*_zext, negsi*_zext): Likewise.
1696 (testqi_ext_3_rex64): New pattern.
1698 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1700 * i386-protos.h (ix86_split_long_move): Return void.
1701 * i386.c (ix86_split_to_parts): Handle 64bit target.
1702 (ix86_split_long_move): Likewise.
1703 * i386.md (all calls to ix86_split_long_move): Update.
1705 2001-03-23 Richard Henderson <rth@redhat.com>
1707 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1708 to avoid shadowing arguments.
1710 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1712 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1713 to variable names where DECL_NAME is different from
1714 DECL_ASSEMBLER_NAME.
1716 2001-03-23 Jim Wilson <wilson@redhat.com>
1718 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1719 (assemble_alias): Call make_decl_rtl.
1721 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1723 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1725 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1727 * extend.texi: Document the "java_interface" attribute.
1729 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1731 * mkconfig.sh: Use a subshell with redirected stdout,
1732 instead of closing stdout and confusing commands that run
1733 afterward. Throw away output of cmp.
1735 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1737 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1739 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1741 * i386.md (zero_extendsidi2_32): Break out from ...
1742 (zero_extendsidi2): ... here ; turn to expander.
1743 (zero_extendsidi2_rex64): New.
1744 (extendsidi2_32): Break out from ...
1745 (extendsidi2): ... here ; turn to expander.
1746 (extendsidi2_rex64): New.
1747 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1748 (trunc?f?f splitters): Add 64bit versions.
1750 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * i386.md (pushsi, pushsi2_prologue): Disable.
1753 (pushsi2_rex64): New.
1754 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1755 (movqi_ext_1): Disable for 64bit.
1756 (movqi_ext_1_rex64): New.
1757 (pushdi2_rex64): New pattern, peep2s and splitter.
1758 (pushdi2_prologue_rex64): New pattern.
1759 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1761 (movdi splitters): Disable for 64bit.
1762 (movdi_1_rex64): New pattern, peep2s and splitters.
1763 (swapdi): New pattern.
1764 (pushsf): Disable for 64bit.
1765 (pushsf_rex64): New pattern and splitter.
1766 (pushdf_nointeger): Disable for 64bit.
1767 (pushdf_integer): Handle the 64bit case.
1768 (pushtf): Likewise; update splitters.
1770 2001-03-22 Richard Henderson <rth@redhat.com>
1772 * mkconfig.sh: Include insn-flags.h.
1773 * Makefile.in (CONFIG_H): Include insn-flags.h.
1774 (lots of objects): Remove insn-codes.h and insn-flags.h.
1776 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1777 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1778 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1779 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1780 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1781 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1782 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1783 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1784 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1785 v850/v850.c, vax/vax.c:
1786 Don't include insn-flags.h.
1788 * diagnostic.c, expr.h, reload.c, toplev.c:
1789 Don't include insn-codes.h.
1791 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1792 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1793 c4x/c4x.c, i960/i960.c, mips/mips.c:
1794 Don't include insn-codes.h or insn-flags.h.
1796 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1797 or insn-flags.h in the generated code.
1798 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1799 (main): Forward declare struct rtx_def.
1801 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1803 * invoke.texi (-ffast-math): Remove duplicate line about
1806 * gcc.texi: Remove more obsolete documentation of bugs and
1807 installation problems.
1809 2001-03-21 Kazu Hirata <kazu@hxi.com>
1811 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1814 2001-03-20 Jason Merrill <jason@redhat.com>
1816 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1818 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1819 * varasm.c (CHKR_PREFIX): Likewise.
1821 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1823 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1824 is part of a multi-SET insn.
1826 * cse.c (find_comparison_args): Remove previous change.
1827 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1830 * config/i386/i386.md (conditional_trap): Remove warning.
1832 * recog.c (push_operand): Fix error in last change that caused
1833 undefined symbol on many targets.
1835 * sdbout.c: #include ggc.h.
1836 (sdbout_init): Move to end of file.
1837 Call ggc_add_tree_root for anonymous_types.
1838 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1839 (sdbout_one_type): Use DECL_NAME for field name.
1840 * Makefile.in (sdbout.o): Show includes ggc.h.
1842 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1844 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1845 (override_options): Use properlimits for preferred_stack_boundary.
1846 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1848 (ext_register_operand): Accept DImode.
1849 (load_pic_register): Abort on 64bit.
1850 (gen_push): Use Pmode instead of SImode.
1851 (ix86_save_reg): Pic reg is never used on 64bit.
1852 (ix86_expand_prologue): Likewise.
1853 (ix86_emit_save_regs): Use Pmode instead of SImode.
1854 (legitimate_address_p): Check displacement for 64bit.
1855 (print_operand): Avoid outputting of (%rip) on 64bit.
1856 (print_operand_address): Output (%rip) where possible.
1857 (split_di): Abort on 64bit registers.
1858 (ix86_expand_branch): DImode comparison is simple for x86_64.
1859 (memory_address_length): Recognize memory addresses formed using
1861 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1863 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1865 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1867 * recog.c (push_operand): Recognize new format of push instructions.
1869 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.md (pushqi1): New.
1872 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1873 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1874 x86_64_immediate_operand, x86_64_immediate_operand,
1875 x86_64_zext_immediate_operand): Declare.
1876 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1877 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1878 x86_64_immediate_operand, x86_64_immediate_operand,
1879 x86_64_zext_immediate_operand): define.
1880 * i386.h (PREDICATE_CODES): Add new predicates.
1882 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1884 * i386.md (pophi1, popqi1, pushqi1): Remove.
1886 * expr.c (emit_single_push_insn): New function.
1887 (move_by_pieces): Accept NULL as destination for push instructions.
1888 (gen_push_operand): Kill.
1889 (emit_push_insn): Pass NULL when pushing; avoid updating of
1890 stack_pointer_delta.
1891 * expr.h (gen_push_operand): Kill.
1893 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1895 * rtl.texi (COMPARE): Clarify documentation and reference section
1898 2001-03-20 Stan Shebs <shebs@apple.com>
1900 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1901 (get_object_reference): Ditto.
1902 (error_with_ivar): Use error_with_file_and_line.
1903 (warn_with_method): Use warning_with_file_and_line.
1905 2001-03-20 Tom Tromey <tromey@redhat.com>
1907 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1909 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1911 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1912 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1914 2001-03-20 DJ Delorie <dj@redhat.com>
1916 * Makefile.in (install-libgcc): Pass complete list of variables.
1917 (install-multilib): Ditto.
1919 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1921 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1922 drectve_section, switch_to_section.
1924 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1925 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1926 i386_pe_mark_dllimport.
1928 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1930 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1931 functions i386_pe_*.
1933 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1934 i386_pe_* functions with char * arguments.
1936 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1938 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1940 (movsi_ie): Introduce fpul store.
1942 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1944 * Makefile.in (OBJS): Remove hashtab.o.
1946 2001-03-19 Stan Shebs <shebs@apple.com>
1948 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1949 * c-lang.c (maybe_objc_method_name): Ditto.
1950 * c-tree.h (maybe_objc_method_name): Remove decl.
1952 2001-03-19 Tom Tromey <tromey@redhat.com>
1954 * gcc.c (init_gcc_specs): Fix comment.
1956 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1958 Compute DECL_ASSEMBLER_NAME lazily.
1959 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1960 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1961 (SET_DECL_ASSEMBLER_NAME): Likewise.
1962 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1963 (set_decl_assembler_name): Declare.
1964 (lang_set_decl_assembler_name): Likewise.
1965 * tree.c (lang_set_decl_assembler_name): New variab.e
1966 (set_decl_assembler_name): New function.
1967 (init_obstacks): Set lang_set_decl_assembler_name.
1968 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1969 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1970 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1971 where it's not necessary.
1972 (builtin_function): Likewise.
1973 (finish_decl): Likewise.
1974 * dbxout.c (dbxout_type_methods): Likewise.
1975 * ggc-common.c (ggc_mark_trees): Likewise.
1976 * profile.c (output_func_start_profiler): Likewise.
1977 * varasm.c (make_decl_rtl): Likewise.
1979 * cse.c (find_comparison_args): Update documentation. Fix
1980 mishandling of COMPARE operations.
1982 * tree.def (ABS_EXPR): Add documentation.
1983 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1985 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1987 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1989 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1991 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1992 Remove ia32 linux PIC kludge and move it...
1993 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1995 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1997 * i386.md (absdf2 expander): Fix 64bit case.
1999 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2001 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2003 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2005 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2007 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2009 * README.X11: Remove obsolete file.
2011 2001-03-18 Anthony Green <green@redhat.com>
2013 * config/pj/pj.h: Remove some trailing commas.
2014 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2016 2001-03-18 Richard Henderson <rth@redhat.com>
2018 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2019 * calls.c: ... here.
2020 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2021 defaults for them here.
2023 2001-03-17 Anthony Green <green@redhat.com>
2025 * config/pj/lib1funcs.S: Fix broken comment.
2026 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2029 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2031 * gcc.texi: Remove obsolete information relating to build and
2032 installation problems with enquire or the Pyramid C compiler.
2034 2001-03-17 Richard Henderson <rth@redhat.com>
2036 * dwarf2out.c (queue_reg_save): New.
2037 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2038 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2040 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2041 (cfa, cfa_store, cfa_temp): Make static.
2042 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2044 2001-03-17 Richard Henderson <rth@redhat.com>
2046 * integrate.h (struct inline_remap): Add local_return_label.
2047 * integrate.c (expand_inline_function): Initialize it and emit
2048 it after copy_insn_notes.
2049 (copy_insn_list): Don't store local_return_label here.
2050 (copy_insn_notes): New function split out from copy_insn_list.
2052 2001-03-17 Richard Henderson <rth@redhat.com>
2054 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2055 is generating .debug_line.
2056 (dwarf2out_init): Add main_input_filename to the file table first.
2057 * configure.in (as_dwarf2_debug_line): Test with file number 1
2058 instead of file number 0.
2060 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2062 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2063 (gen_rtx_combine): Deleted; all references changed as appropriate.
2064 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2066 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2068 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2070 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2073 2001-03-16 Jim Wilson <wilson@redhat.com>
2075 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2076 then set it to LOC_REG (79) instead of aborting.
2078 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2080 * gccbug.in: Remove high priority.
2082 2001-03-16 Richard Henerson <rth@redhat.com>
2084 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2085 output with a space instead of deleting it.
2086 * configure: Regenerate.
2088 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2090 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2091 handles the gory details of converting an object file into
2092 something that's safe to grep.
2093 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2094 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2095 newlines at either end of the string we're looking for.
2096 Make 'checking ...' message less stilted.
2097 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2098 ARM in-memory layout and its hypothetical converse. Don't
2099 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2100 HOST_WORDS_BIG_ENDIAN.
2102 * configure.in: Adjust for renamed macro. Move
2103 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2104 * configure, config.in: Regenerate.
2106 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2108 * fixinc/Makefile.in: Set SHELL.
2110 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2112 * fixinc/fixincl.c (fix_with_system): Quote file names before
2113 passing them to shell.
2115 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2117 * Makefile.in: Use fix-header$(build_exeext) instead
2120 2001-03-16 Richard Henderson <rth@redhat.com>
2122 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2123 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2124 (size_of_line_prolog): Remove.
2125 (output_line_info): Compute prologue size via label difference.
2126 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2128 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2129 assembler error when redefining file numbers.
2130 * config.in, configure: Rebuild.
2132 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2133 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2134 (dw2_asm_output_delta_uleb128): Likewise.
2135 (dw2_asm_output_delta_sleb128): Similarly.
2136 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2138 2001-03-16 Michael Meissner <meissner@redhat.com>
2140 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2142 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2144 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2146 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2147 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2148 being unsigned in ISO C and signed in traditional.
2149 (expand_prologue): Ditto.
2150 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2152 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2154 (divsi3,divdi3): Ditto.
2155 (modsi3,moddi3): Ditto.
2156 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2157 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2158 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2161 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2163 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2164 SSE based conditional moves on LTGT/UNEQ conditions;
2165 Canonicalize EQ to NE.
2166 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2167 (sse_mov?fcc_ne): New.
2169 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2171 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2173 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2174 register may be dead.
2176 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2178 * Makefile.in (hash.o): Depend on CONFIG_H.
2180 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2182 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2184 2001-03-15 Richard Henderson <rth@redhat.com>
2186 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2187 (ASM_OUTPUT_DWARF_PCREL): New.
2188 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2190 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2192 * cppfiles.c (stack_include_file): Use MAX of sysp.
2194 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2196 * config.gcc (ia64*-*-hpux*): New case.
2197 * config/ia64/hpux.h: New file for HP-UX support.
2198 * config/ia64/t-hpux: New file for HP-UX support.
2200 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2202 * fixinc/inclhack.def (irix_stdio_va_list): New.
2203 * fixinc/fixincl.x: Rebuilt.
2205 2001-03-15 Richard Henderson <rth@redhat.com>
2207 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2208 if provided by the target.
2209 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2210 (dw2_asm_output_addr): New.
2211 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2212 * dwarf2out.c (output_cfi): Use it for program addresses.
2213 (output_call_frame_info, output_die): Likewise.
2214 (output_aranges, output_line_info): Likewise.
2216 2001-03-15 Bruce Korb <bkorb@gnu.org>
2218 * gcc.c(main): make more rigorous
2219 * collect2.c(main): guard against ignoring SIGCHLD
2220 * protoize.c(main): ditto
2221 * gcc/fixinc/fixincl.c(initialize): ditto
2223 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2225 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2226 (sdbout_parms): Likewise.
2228 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2230 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2231 "widen" a destination that is already wider than a word. Also do
2232 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2234 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2236 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2238 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2240 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2242 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2244 * i960.h (i960_maxbitalignment,
2245 i960_last_maxbitalignment): Declare.
2246 * i960.c (i960_maxbitalignment,
2247 i960_last_maxbitalignment): Make global.
2248 (process_pragma): Delete.
2249 (i960_pr_align, i960_pr_noalign): Move from here ...
2250 * i960-c.c: ... to this new file.
2251 * t-960bare (i960-c.o): New rule.
2252 * t-vxworks960 (i960-c.o): Likewise.
2253 * config.gcc (i960-*-*): Define c_target_objs and
2256 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2258 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2259 without adding in rtx code and mode.
2261 * alias.c (init_alias_analysis): Don't use any rtx whose value
2262 varies as a known value.
2263 Delete a superfluous test.
2265 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2267 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2268 scheduling a stop bit.
2269 (ia64_emit_nops): Correctly handle ASMs.
2271 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2273 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2275 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2277 * cpp.texi: Update documentation for -include and -imacros.
2278 * cppfiles.c (struct include_file): Remove "defined" memeber.
2279 (find_or_create_entry): Make a copy of the file name, and
2281 (open_file): Update to ensure we use the simplified filename.
2282 (stack_include_file): Don't set search_from.
2283 (cpp_included): Don't simplify the path name here.
2284 (find_include_file): New prototype. Call search_from to
2285 get the start of the "" include chain. Don't simplify the
2287 (_cpp_execute_include): New prototype. Move diagnostics to
2288 do_include_common. Update.
2289 (_cpp_pop_file_buffer): Don't set defined.
2290 (search_from): New prototype. Use the preprocessor's cwd
2291 for files included from the command line.
2292 (read_name_map): Don't simplify the pathname here.
2293 * cpphash.h (enum include_type): New.
2294 (struct buffer): Delete search from. New search_cached.
2295 (_cpp_execute_include): Update prototype.
2296 * cppinit.c (do_includes): Use _cpp_execute_include.
2297 * cpplib.c (do_include_common): New function.
2298 (do_include, do_include_next, do_import): Use it.
2300 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2302 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2303 contents of the RTL, to determine the name of the object.
2305 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2307 * tree.h (DECL_RTL): Allocate RTL lazily.
2308 (SET_DECL_RTL): New macro.
2309 (DECL_RTL_SET_P): Likewise.
2310 (COPY_DECL_RTL): Likewise.
2311 (DECL_RTL_IF_SET): Likewise.
2312 * varasm.c (make_decl_rtl): Add assertions about the kind of
2313 declaration we are processing.
2314 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2315 (start_decl): Likewise.
2316 (finish_decl): Likewise.
2317 * c-semantics.c (emit_local_var): Likewise.
2318 * calls.c (expand_call): Likewise.
2319 * dbxout.c (dbxout_symbol): Likewise.
2320 * emit-rtl.c (unshare_all_rtl): Likewise.
2321 (unshare_all_decls): Likewise.
2322 (reset_used_decls): Likewise.
2323 * expr.c (store_constructor): Likewise.
2324 (safe_from_p): Likewise.
2325 (expand_expr): Likewise.
2326 * function.c (put_var_into_stack): Likewise.
2327 (instantiate_decls_1): Likewise.
2328 (assign_parms): Likewise.
2329 (expand_function_start): Likewise.
2330 (expand_function_end): Likewise.
2331 * ggc-common.c (gcc_mark_trees): Likewise.
2332 * integrate.c (function_cannot_inline_p): Likewise.
2333 (copy_decl_for_inlining): Likewise.
2334 (expand_inline_function): Likewise.
2335 (integrate_parm_decls): Likewise.
2336 (integrate_decl_tree): Likewise.
2337 * print-tree.c (print_node): Likewise.
2338 * reg-stack.c (stack_result): Likewise.
2339 * stmt.c (label_rtx): Likewise.
2340 (expand_return): Likewise.
2341 (expand_decl): Likewise.
2342 (expand_decl_cleanup): Likewise.
2343 (expand_anon_union_decl): Likewise.
2344 * toplev.c (check_global_declarations): Likewise.
2345 (rest_of_decl_compilation): Likewise.
2346 * tree.c (simple_cst_equal): Likewise.
2347 * objc/objc-act.c (generate_static_references): Likewise.
2349 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2351 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2352 gcc_AC_C_FLOAT_FORMAT): New macros.
2353 * configure.in: Add AC_PROG_CPP after CC tests;
2354 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2355 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2356 * configure, config.in: Regenerate.
2358 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2359 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2360 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2361 config/i370/xm-linux.h, config/i370/xm-oe.h,
2362 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2363 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2364 config/pa/xm-linux.h, config/pa/xm-pa.h,
2365 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2366 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2367 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2368 config/we32k/xm-we32k.h: Delete.
2370 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2371 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2372 config/vax/xm-vms.h: Don't define any of:
2373 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2375 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2377 * config.gcc: Remove references to deleted files.
2378 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2379 FATAL_EXIT_CODE, which is the same between oe and mvs).
2381 2001-03-14 DJ Delorie <dj@redhat.com>
2382 Vladimir Makarov <vmakarov@redhat.com>
2384 * config/i960/i960.c (i960_function_prologue): Compute size of
2385 frame according to number of registers actually saved there.
2387 2001-03-14 Richard Henderson <rth@redhat.com>
2389 * expr.c (emit_move_insn_1): Fix else if around #endif.
2391 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2394 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2397 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2399 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2400 (override_options): Parse cmodel string.
2401 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2402 * i386.h (TARGET_OPTIONS): Add "cmodel".
2403 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2405 (ix86_cmodel_string, ix86_cmodel): Declare.
2407 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2410 * i386.h (GENERAL_REG_P): Add missing REG_P.
2412 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2414 * configure.in: Use $gcc_cv_as instead of $as.
2415 * configure: Regenerated.
2417 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2419 * cppfiles.c (stack_include_file): Only increase the include
2420 count if we actually process the file properly, as opposed
2421 to treating it as length zero. Only call read_include_file
2422 if not DO_NOT_REREAD. Handle the -H include file output
2424 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2425 (cpp_included, find_include_file): Simplify pathnames after
2426 remapping them. If remapping, don't use the remapped file
2427 name's buffer as our scratch buffer.
2428 (cpp_pop_file_buffer): Replace the multiple include macro
2429 only if it isn't yet set.
2430 (read_name_map): Simplify remapped names when reading in.
2431 (remap_filename): Move code to code path that uses it.
2432 (_cpp_simplify_pathname): Return the input pointer.
2433 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2435 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2437 * expr.c (expand_expr): Revove bogus conditional.
2439 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2441 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2443 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2445 * reg-stack.c (stack_result): Unconditionally use
2446 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2448 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2450 * expr.c (emit_move_insn_1): Split push of complex value when
2451 no suitable push instruction exist.
2453 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2454 instead of QI_REG_P.
2456 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2458 * alias.c (handled_component_p, can_address_p): New functions.
2459 (get_alias_set): Use them.
2461 2001-03-13 Jim Wilson <wilson@redhat.com>
2463 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2464 from 80 in try_locals code.
2465 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2467 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2469 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2470 gcc_AC_C_LONG_LONG): New.
2471 * configure.in: Use them. Probe the size of short, int, long,
2472 and long long/__int64 if we have them. Move all the AC_C_*
2473 checks together, except gcc_AC_C_CHAR_BIT which has to go
2474 after AC_CHECK_HEADERS(limits.h).
2475 Take hwint.h out of host_xm_file and build_xm_file.
2477 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2478 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2479 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2480 Move the HOST_WIDEST_INT setup logic here from system.h.
2481 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2483 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2484 is now handled by hwint.h.
2486 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2487 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2488 config/ia64/xm-ia64.h: Don't define any of:
2489 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2490 HOST_BITS_PER_LONGLONG.
2492 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2493 config/h8300/xm-h8300.h, config/mips/iris6.h,
2494 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2495 config/sparc/xm-sp64.h: Delete.
2496 * config.gcc: Remove references to deleted files.
2498 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2499 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2500 * config/i370/xm-linux.h: Clarify floating-point situation in
2503 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2505 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2506 (find_include_file): Decide here which part of the include
2507 chain to start the search. Complain about an empty include
2508 chain in all cases apart from an abolsute file name.
2509 (_cpp_execute_include): Don't choose the search chain here.
2510 Don't call handle_missing_include in the case of an empty
2512 (_cpp_compare_file_date): Don't choose the search chain here.
2513 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2514 here from _cpp_execute_include. Behave like #include if
2515 we're in the main file.
2517 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2519 * system.h (malloc, realloc, calloc, strdup): Only poison these
2520 tokens when IN_GCC is defined.
2522 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2524 * i386.md (abs?f expander): Support SSE case.
2525 (abd?f_if): Add new "USE"; add splitters.
2527 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2529 * cpp.texi (poison): Explain the macro expansion exception.
2531 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2533 * expr.c (store_expr): Add dont_store_target. If temp is already in
2534 target before copying to reg, don't store it into target again.
2536 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2538 * cppinternals.texi: Update for file handling.
2540 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2542 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2543 2001-02-24 which broke building the Java library.
2544 * function.c (identify_blocks): Likewise.
2545 (all_blocks): Likewise.
2546 * integrate.c (integrate_decl_tree): Likewise.
2547 * print-tree.c (print_node): Likewise.
2548 * tree.h (BLOCK_NUMBER): Likewise.
2549 (struct tree_block): Likewise.
2551 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2553 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2554 __WCHAR_TYPE__ definition.
2555 (WCHAR_TYPE_SIZE): #undef before #define.
2557 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2559 * cppfiles.c: Update comments.
2560 (destroy_include_file_node): Rename destroy_node.
2561 (find_or_create_entry): New function.
2562 (open_file, _cpp_fake_include): Use it.
2563 (handle_missing_header): New function, broken out of
2564 _cpp_execute include. Don't segfault if there is no
2565 system or quoted path.
2566 (_cpp_execute_include): Use handle_missing_header.
2568 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2570 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2571 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2573 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2575 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2576 unless anti_dependence says they are.
2577 * alias.c (objects_must_conflict): If neither has a type specified,
2580 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2581 David Billinghurst <David.Billinghurst@riotinto.com>
2583 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2585 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2587 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2588 (*_one_bit): Remove type on the match_operand in attributes.
2590 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2592 * i386.c: Commit forgotten hunk in previous patch.
2593 (regclass_map): Add extended registers.
2594 (dbx_register_map): Add missing frame register.
2596 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2598 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2600 * i386.md (x86_sahf_1): Disable for 64bit.
2601 (popsi*, pophi*): Likewise.
2602 (pushqi, pushhi): Likewise.
2603 (movdi, pushdi): Likewise.
2604 (zero extend DImode splitter): Likewise.
2605 (adddi, minusdi splitter): Likewise.
2606 (umulsidi): Likewise.
2608 (mulsidi): Disable for 64bit
2609 (lshift:DI/ashift:DI): Disable for 64bit.
2610 (loop patterns): Likewise.
2611 (call_pop, call_value_pop expanders and patterns): Likewise.
2612 (prologue_get_pc): Likewise.
2614 (fcmovDI pattern and splitter): Likewise.
2615 (movdfcc_1_rex64): New.
2617 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2619 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2620 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2621 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2622 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2623 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2624 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2625 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2626 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2627 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2628 (REGPARM_MAX): Set to 6 for x86_64.
2629 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2630 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2633 * (patterns that does use upper halves): Update constraints
2634 'q' to 'Q' and 'r' to 'R'.
2635 (cmpqi_ext_1): Disable for 64bit.
2636 (cmpqi_ext_3_insn): Likewise.
2637 (movqi_extzv_1): Likewsie.
2638 (addqi_ext_1): Liekwsie
2639 (testqi_ext_1): Liekwsie
2640 (andqi_ext_1): Liekwsie
2641 (xorqi_ext_1): Liekwsie
2642 (cmpqi_ext_1_rex64): New.
2643 (cmpqi_ext_3_insn_rex64): Likewise.
2644 (movqi_extzv_1_rex64): Likewsie.
2645 (addqi_ext_1_rex64): Liekwsie
2646 (testqi_ext_1_rex64): Liekwsie
2647 (andqi_ext_1_rex64): Liekwsie
2648 (xorqi_ext_1_rex64): Liekwsie
2650 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2652 * configure.in: Move check for unsigned enumerated bitfields
2653 to macro in aclocal.m4. Disable it for now.
2654 * configure, config.in: Regenerate.
2655 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2656 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2657 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2658 kind above its first use.
2660 * config/xm-interix.h, config/alpha/xm-alpha.h,
2661 config/i370/xm-linux.h, config/i386/xm-beos.h,
2662 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2663 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2664 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2665 Don't define ONLY_INT_FIELDS under any circumstances.
2667 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2669 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2670 config/sparc/xm-sysv4.h: Delete - now identical with some
2672 * config.gcc (hppa targets): Replace xm-pahpux.h and
2673 xm-papro.h with implicit xm-pa.h.
2674 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2677 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2679 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2680 before reload_cse_noop_set_p.
2682 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2684 * config.gcc: Where xm-host.h used to include another
2685 xm-host.h, list the nested header directly in xm_file. Remove
2686 references to deleted files. Can now use sparc/xm-sp64.h for
2689 * config/xm-linux.h, config/arm/xm-linux.h,
2690 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2691 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2692 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2693 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2694 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2697 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2698 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2699 bother to wrap #undef in #ifdef.
2700 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2701 Don't include xm-linux.h.
2702 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2704 * configure.in: Wrap regexps using [] in changequote block.
2705 Use expr : not echo | grep. Simplify regexps.
2706 * configure: Regenerate.
2708 56 xm-files remain, 22 xm-arch.
2710 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2712 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2713 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2714 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2715 (copy_object): Fix format specifier vs argument mismatch.
2717 * mips-tdump.c: Make local functions static.
2718 (rindex): Don't #undef.
2719 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2720 (fatal, fancy_abort): Delete.
2721 (read_seek): Avoid signed/unsigned compare.
2723 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2725 * combine.c (try_combine): Fix error in change to try original
2727 (gen_rtx_combine): Do same as gen_rtx for now.
2729 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2731 * configure.in: AC_SUBST xm_defines.
2732 * configure: Regenerate.
2733 * Makefile.in: Set DEFINES=$(xm_defines) when building
2736 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2738 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2739 (cpp_included, find_include_file): Update.
2740 (_cpp_compare_file_date): Make else unconditional.
2742 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2744 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2746 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2748 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2749 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2751 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2753 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2754 if it's a record type.
2756 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2758 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2759 mingw includes slightly.
2761 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2763 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2764 #undef token before poisoning it.
2766 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2768 * alpha.c (check_float_value): Use memcpy, not bcopy.
2770 * m32r.c (m32r_sched_reorder): Likewise.
2772 * vax.c (check_float_value): Likewise.
2774 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2776 * toplev.c (file_name_nondirectory): Remove.
2777 * toplev.h: Similarly.
2778 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2779 of file_name_nondirectory.
2781 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2783 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2784 * mips-tfile.c: Don't #undef rindex; not used.
2786 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2788 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2789 (dbx64_register_map): Declare.
2790 (RETURN_ADDR_RTX): Fix for 64bit.
2791 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2792 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2793 * i386.c (dbx64_register_map): New global array.
2794 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2795 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2798 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2800 * cppfiles.c (search_from): Use lbasename.
2801 * mkdeps.c (deps_add_default_target): Use lbasename.
2803 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2805 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2806 xcalloc in lieu of malloc, realloc & calloc.
2808 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2810 * gengenrtl.c (xmalloc): Likewise.
2812 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2813 really_call_* memory allocation routines.
2815 * stmt.c (check_for_full_enumeration_handling): Use
2816 really_call_calloc, not calloc.
2818 * system.h (really_call_malloc, really_call_calloc,
2819 really_call_realloc): Define.
2820 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2822 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2824 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2826 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2828 * configure: Rebuilt.
2829 * configure.in: Only use `lang_requires' for languages athat are
2832 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2834 * invoke.texi: Fix typo.
2835 * gcc.1: Regenerate.
2837 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2839 * configure.in: Prune nonexistent files from build_xm_file,
2840 xm_file, and host_xm_file lists. Warn unless they're
2842 Don't generate *config.h here.
2843 AC_SUBST all variables needed to generate *config.h.
2844 * configure: Regenerate.
2845 * mkconfig.sh: New helper script, from code removed from
2847 * Makefile.in: Zap all MALLOC variables - no longer used
2848 anywhere, and malloc.c doesn't exist.
2849 Substitute in variables needed to generate *config.h.
2850 Stop lying about the dependencies contained in CONFIG_H and
2852 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2853 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2854 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2855 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2856 $(TM_P_H), etc. as appropriate.
2858 * config.gcc: Zap references to deleted files.
2859 * ggc-none.c: Don't include rtl.h or tm_p.h.
2861 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2862 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2863 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2864 config/i386/xm-linux.h, config/i386/xm-linux.h,
2865 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2866 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2867 Don't include i386/xm-i386.h.
2869 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2870 config/i386/xm-i386.h, config/i860/xm-i860.h,
2871 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2872 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2873 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2874 Delete (empty except comments, #includes of other deleted
2875 files, and macros used nowhere).
2877 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2879 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2880 independent on TARGET_FLAGS.
2882 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2884 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2886 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2888 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2890 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2891 LAST_REX_SSE_REG): define.
2892 (enum reg_class): Add 'LEGACY_REGS'
2893 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2894 (SSE_REGNO_P): Recognize extended registers.
2895 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2896 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2897 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2898 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2899 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2900 REG_OK_FOR_STRREG_P): Remove.
2901 (HI_REGISTER_NAMES): Add extended registers.
2902 (ADDITIONAL_REGISTER_NAMES): Likewise.
2903 (QI_REGISTER_NAMES): Add 8bit extended registers.
2904 (DEBUG_REG): Support extended registers.
2905 * i386.c (regclass_map): Add extended registers.
2906 (dbx_register-map): Likewise.
2907 (svr4_dbx_register_map): Likewise.
2908 (print_reg): Support extended registers.
2909 (print_operand): Support 64bit operands.
2911 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2913 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2914 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2915 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2916 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2917 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2918 STACK_BOUNDARY): Set properly for 64bits.
2919 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2920 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2921 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2922 (MOVE_MAX): Set to 16.
2923 (MOVE_MAX_PIECES): 8 for 64bit.
2924 (Pmode): Set to SImode.
2926 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2928 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2930 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2932 * i386.h (mask_64bit): New constant.
2933 (target_64bit): New macro.
2934 (target_options): Add '64'/'32'
2935 (target_default): Define.
2936 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2937 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2938 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2940 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2942 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2944 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2946 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2947 LO_SUM unless for_alias is set.
2949 2001-03-08 Stan Shebs <shebs@apple.com>
2951 * objc/objc-act.c: Fix old typos in comments, add comments for
2953 (hash_init): Fix file name in error message.
2954 (hash_enter): Ditto.
2955 (hash_add_attr): Ditto.
2956 (continue_class): Ditto.
2958 2001-03-08 Bruce Korb <bkorb@gnu.org>
2960 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2961 wait4() can receive the signal.
2963 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2965 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2967 * fixinc/fixincl.x: Regenerate.
2969 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2971 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2973 * fixinc/fixincl.x: Regenerate.
2975 2001-03-08 Richard Henderson <rth@redhat.com>
2977 * configure.in (HAVE_AS_LEB128): New assembler check.
2978 * configure, config.in: Rebuilt.
2980 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2982 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2985 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2987 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2988 references to the MAXPATHLEN macro.
2990 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2991 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2994 * config/i386/xm-gnu.h, config/xm-gnu.h,
2995 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2996 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2997 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2998 and/or unused files.
3000 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3001 doing so in various xm-*.h files.
3003 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3005 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3007 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3009 * configure.in (enable_shared): Support per-package shared-library
3011 * configure: Rebuilt.
3013 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3015 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3016 for crnot. Set operands[5] in splitter.
3018 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3020 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3021 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3022 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3023 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3024 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3025 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3026 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3029 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3030 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3031 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3032 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3033 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3034 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3035 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3036 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3037 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3038 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3039 Delete unused and/or empty files.
3041 * config.gcc: Define USG in xm_defines as appropriate. Define
3042 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3043 macro. Remove deleted xm-* files from $xm_files variable.
3045 2001-03-07 Tom Tromey <tromey@redhat.com>
3047 * configure: Rebuilt.
3048 * configure.in: Allow config-lang.in to set `lang_requires' to list
3049 of other required languages.
3051 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3053 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3055 (output_prologue): Use xmalloc not oballoc.
3056 (output_epilog): Free a29k_first_epilogue_insn when finished.
3057 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3059 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3061 * builtins.c (expand_builtin_mathfn): Check
3062 flag_unsafe_math_optimizations, not flag_fast_math.
3063 (expand_builtin): Likewise
3064 * combine.c (combine_simplify_rtx): Likewise.
3065 (simplify_if_then_else): Likewise.
3066 * cse.c (fold_rtx): Likewise.
3067 * flags.h: Remove flag_fast_math. Add
3068 flag_unsafe_math_optimizations and flag_trapping_math.
3069 * fold-const.c (negate_expr): Check
3070 flag_unsafe_math_optimizations, not flag_fast_math.
3071 (invert_truthvalue): Likewise.
3072 (fold): Likewise. Before associating operands, check that
3073 code == MULT_EXPR, not code != MULT_EXPR.
3074 * ifcvt.c (noce_try_minmax): Check
3075 flag_unsafe_math_optimizations, not flag_fast_math.
3076 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3077 * invoke.texi: Document -funsafe-math-optimizations and
3078 -fno-trapping-math. Change documentation for -ffast-math.
3079 * jump.c (reversed_comparison_code_parts): Likewise.
3080 (rtx_equal_for_thread_p): Likewise.
3081 * optabs.c (emit_conditional_move): Likewise.
3082 * simplify-rtx.c (simplify_binary_operation): Likewise.
3083 (simplify_relational_operation): Likewise.
3084 (simplify_ternary_operation): Likewise.
3085 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3086 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3087 Add trapping-math and unsafe-math-optimizations entries to f_options.
3088 (set_fast_math_flags): New, sets flags for -ffast-math.
3089 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3090 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3091 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3093 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3094 (alpha_emit_conditional_move): Initialize local_fast_math to
3095 flag_unsafe_math_optimizations, not flat_fast_math.
3096 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3097 instead of setting flag_fast_math to 1.
3098 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3100 * config/i386/i386.c (override_options): Likewise
3101 * config/i386/i386.md: Likewise.
3102 * config/m68k/m68k.md: Likewise.
3103 * config/mips/mips.md: Likewise.
3104 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3105 (rs6000_generate_compare): Likewise.
3107 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3109 * Makefile.in: Set RANLIB to @RANLIB@.
3112 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3114 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3115 * fixinc/fixincl.x: Regenerated.
3117 2001-03-07 Richard Henderson <rth@redhat.com>
3119 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3121 2001-03-07 Richard Henderson <rth@redhat.com>
3123 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3124 of block notes and exception handling notes.
3126 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3127 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3128 (compile_file): ... here.
3130 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3132 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3134 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3135 config.h now. Include libiberty.h to handle alloca.
3137 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3139 * c-parse.in (yylexname): New function, split out of _yylex.
3140 (objc_rid_sans_at): New table.
3141 (init_reswords): Initialize it.
3142 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3143 retrieving the next token and checking it for significance as
3144 an ObjC keyword or string constant.
3146 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3147 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3149 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3152 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3154 * config/m68k/m68k.c (const_uint32_operand): Accept any
3155 const_int on a 32-bit host.
3157 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3159 * objc/objc-act.c (init_objc): Set save_lang_status,
3160 restore_lang_status, and mark_lang_status.
3162 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3164 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3166 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3168 * cppinternals.texi: Update.
3170 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3173 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3174 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3175 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3176 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3177 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3178 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3179 config/i386/xm-i386.h, config/i860/xm-i860.h,
3180 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3181 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3182 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3183 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3184 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3185 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3186 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3187 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3188 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3189 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3190 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3191 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3192 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3193 match the defaults provided in hwint.h.
3195 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3196 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3198 * config.gcc (xm_file): Don't set to files which are deleted.
3200 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3201 guard this file against these macros being undefined.
3203 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3205 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3206 and DECL_DEFER_OUTPUT on the decl we create, before calling
3207 rest_of_decl_compilation.
3209 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3211 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3213 * configure, config.in: Regenerate.
3214 * config.gcc: Remove references to deleted files.
3216 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3217 genrecog.c, rtl.c: Do not use alloca anywhere.
3219 * Makefile.in, build-make, system.h, config/x-interix,
3220 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3221 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3222 config/arc/xm-arc.h, config/arm/xm-arm.h,
3223 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3224 config/h8300/xm-h8300.h, config/i370/x-oe,
3225 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3226 config/i386/x-ncr3000, config/i386/x-sco5,
3227 config/i386/xm-dgux.h, config/i860/x-sysv4,
3228 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3229 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3230 config/m68k/x-hp320g, config/m69k/x-mot3300,
3231 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3232 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3233 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3234 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3235 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3236 config/mips/x-iris, config/mips/x-iris3,
3237 config/mips/x-sni-svr4, config/mips/x-sysv,
3238 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3239 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3240 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3241 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3242 config/pa/xm-papro.h, config/romp/xm-romp.h,
3243 config/rs6000/x-aix31, config/rs6000/x-aix41,
3244 config/rs6000/x-beos, config/rs6000/x-lynx,
3245 config/rs6000/x-mach, config/rs6000/x-rs6000,
3246 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3247 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3248 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3249 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3250 config/vax/xm-vms.h: Eradicate all references to alloca and
3253 * config/xm-alloca.h, config/clipper/x-clix,
3254 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3255 config/i860/x-sysv3, config/m88k/x-sysv3,
3256 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3257 (contained only alloca related hacks).
3259 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3262 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3264 * invoke.texi: Document __FAST_MATH__.
3266 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3268 * crtstuff.c: Restore include of auto-host.h.
3270 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3272 Put main() in a separate file, so that the language
3273 front-end can use a different main().
3276 * toplev.c: (main): Rename as toplev_main.
3277 * toplev.h: Declare toplev_main.
3278 * Makefile.in (OBJS): add toplev.o.
3279 (BACKEND): remove toplev.o, add main.o.
3281 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3283 * cppfiles.c (search_from): Special case the empty string.
3285 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3287 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3288 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3289 strlen or strcpy; we already know the length.
3290 (_cpp_compare_file_date): Similarly.
3291 * cpphash.h (struct cpp_reader): Delete done_initialising.
3292 (CPP_PREV_BUFFER): Delete.
3293 * cppinit.c (cpp_start_read): Don't set done_initialising.
3294 * cpplex.c (parse_string): Guarantee null-termination.
3295 (_cpp_equiv_toklists): Remove.
3296 * cpplib.c (glue_header_name): Null-terminate.
3297 (do_line): Don't leak memory.
3298 * cpplib.h (BT_WEAK): Delete.
3299 * cppmain.c (cb_ident): Strings are now null-terminated.
3301 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3303 * gcc.c (convert_filename): Append executable suffix
3304 if NO_AUTO_EXE_SUFFIX is not defined.
3305 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3306 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3308 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3310 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3311 * c-parse.gperf, c-gperf.h: Delete.
3312 (c-gperf.h was accidently re-added to the CVS repo in the rev
3313 1.16 commit by tromey)
3315 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3317 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3318 macro arguments when looking for the '('.
3319 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3320 2 when really parsing arguments; 1 when looking for '('.
3321 Always restore the lexer position.
3323 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3325 * longlong.h (umul_ppmm): Don't use a multiline string.
3327 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3329 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3330 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3331 t_bool in declaration because pcc can't combine volatile with typedef
3334 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3336 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3337 until when it is really needed.
3338 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3339 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3340 * i386.md (float?i?f splitter): Don't force source operand to memory
3342 (sse_movdfcc): Fix constraint.
3343 (sse_movdfcc splitter): Handle properly the second alternative.
3345 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3347 * cpplex.c (parse_string): Unconditionally pedwarn.
3349 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3352 * cppexp.c (parse_number): Update.
3353 * cpplex.c (parse_string): Pedwarn if multiline string does not
3354 result from a system header's macro.
3355 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3356 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3357 for function-like macros too.
3358 * c-lex.c (lex_number): Update.
3360 2001-03-03 Richard Henderson <rth@redhat.com>
3362 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3364 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3366 * combine.c (try_combine): If split with mode-changed scratch
3367 register didn't work, try the original mode.
3369 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3371 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3372 * config/c4x/c4x.h: Likewise.
3373 * stor-layout.c (compute_record_mode): Likewise.
3374 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3376 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3378 * configure.in: Kill tm.h. Include the files in the $tm_file
3379 list in all three of config.h, hconfig.h, tconfig.h, after the
3380 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3381 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3382 * configure: Regenerate.
3383 * Makefile.in (clean): Don't delete tm.h.
3385 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3386 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3387 those are not defined, set SEC and FEC to 0 and 1.
3388 * gcc.texi: Update to match.
3390 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3391 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3392 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3393 Include tconfig.h, not tm.h.
3395 * config/xm-lynx.h, config/xm-std32.h,
3396 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3397 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3398 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3399 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3400 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3401 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3402 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3403 config/i386/xm-i386.h, config/i860/xm-i860.h,
3404 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3405 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3406 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3407 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3408 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3409 config/pa/xm-linux.h, config/pa/xm-pa.h,
3410 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3411 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3412 config/pj/xm-pj.h, config/romp/xm-romp.h,
3413 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3414 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3415 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3416 config/v850/xm-v850.h, config/vax/xm-vax.h,
3417 config/we32k/xm-we32k.h:
3419 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3421 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3422 config/i370/xm-oe.h: Don't include tm.h. Don't define
3424 * config/vax/xm-vms.h: Don't include tm.h.
3426 * config/xm-lynx.h, config/avr/xm-avr.h,
3427 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3428 Delete; made empty by above changes.
3429 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3430 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3431 Don't include config/xm-lynx.h or tm.h.
3433 * config/xm-gnu.h: Don't include fcntl.h.
3434 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3436 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3438 2001-03-02 Richard Henderson <rth@redhat.com>
3440 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3441 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3443 2001-03-02 Richard Henderson <rth@redhat.com>
3445 * Makefile.in (OBJS): Add dwarf2asm.o.
3446 * dwarf2asm.c, dwarf2asm.h: New files.
3447 * dwarf2out.c (*): Use them.
3448 (size_of_uleb128, size_of_sleb128): Remove.
3449 (output_uleb128, output_sleb128): Remove.
3450 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3451 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3452 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3453 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3454 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3455 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3456 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3457 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3458 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3459 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3460 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3461 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3462 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3463 (dwarf2out_frame_debug): Remove unused variables.
3464 (output_loc_operands): Don't abort on 8 byte constants if
3465 host integers are wide enough.
3466 (output_symbolic_ref): Remove.
3467 (size_of_die): Don't assume 4 byte host integers.
3468 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3470 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3471 something stupid with HOST_WIDE_INT to long truncation.
3472 [CONST_DOUBLE]: Likewise.
3474 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3475 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3476 * config/arm/unknown-elf.h: Likewise.
3477 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3478 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3479 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3480 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3481 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3482 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3483 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3484 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3485 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3486 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3487 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3488 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3490 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3492 * cselib.c (hash_rtx): Cast enums to unsigned int.
3494 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3496 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3497 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3499 * c-format.c (C_STD_VER): Cast to int for comparisons.
3500 (check_function_format): Cast various enums to int for &.
3501 (maybe_read_dollar_number): Likewise.
3502 (check_format_info): Likewise.
3503 (check_format_info_main): Likewise.
3504 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3505 (safe_from_p): Likewise.
3506 * varasm.c (const_hash): Cast enum to int for %.
3507 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3508 pcc enum problems with < and ++ operators.
3509 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3510 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3511 (regclass_init): Change enum class to int to iterate over reg_classes.
3512 * genrecog.c (merge_trees): Cast enums for comparison.
3513 * rtl.h (GET_CODE): Cast to enum rtx_code.
3514 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3515 (GET_MODE): Cast to enum machine_mode.
3516 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3517 (GET_NOTE_INSN_NAME): Cast enum to int.
3518 * tree.h (TREE_CODE): Cast to enum tree_code.
3519 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3520 * timevar.c (timevar_print): Change loop variable id from enum to
3522 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3523 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3524 * toplev.c (compile_file): Cast enum DFI to int.
3525 (decode_d_option): Likewise.
3527 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3529 * cppinit.c (append_include_chain): Mark "after" include file name list
3530 as a system directory.
3531 * cpp.texi: Document new behavior.
3533 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3535 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3537 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3539 * cppfiles.c (struct include_file): Update.
3540 (stack_include_file): Use search_from.
3541 (cpp_included, find_include_file): Update.
3542 (cpp_execute_include): Update. ptr->name may not be
3543 null terminated. Use the new search_from member variable
3545 (_cpp_compare_file_date): Similarly.
3546 (search_from): New function, similiar to actual_directory.
3547 (actual_directory): Delete.
3548 (remap_filename): Update. loc->name may not be null terminated.
3549 (struct file_name_list): Rename search_path. Update.
3550 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3551 search_from and dir.
3552 (struct cpp_reader): Remove actual_dirs.
3553 * cppinit.c (struct cpp_pending): Update for renamed objects.
3554 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3555 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3556 * cpplib.h (struct cpp_options): Similarly.
3558 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3560 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3561 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3562 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3563 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3564 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3565 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3566 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3567 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3568 config/i370/xm-oe.h, config/i386/xm-aix.h,
3569 config/i386/xm-i386.h, config/i386/xm-osf.h,
3570 config/i860/xm-i860.h, config/i960/xm-i960.h,
3571 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3572 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3573 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3574 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3575 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3576 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3577 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3578 config/pj/xm-pj.h, config/romp/xm-romp.h,
3579 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3580 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3581 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3582 config/v850/xm-v850.h, config/vax/xm-vax.h,
3583 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3584 Do not define TRUE or FALSE.
3586 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3587 empty by above change.
3588 * config.gcc: Remove references to these files.
3590 * configure.in: Detect stdbool.h.
3591 * configure, config.in: Regenerate.
3592 * system.h: Include stddef.h here if available.
3593 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3594 Then set up a sensible boolean type at the very end.
3596 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3597 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3599 * hash.h: Delete 'boolean' typedef and related #undefs.
3601 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3602 all uses of 'boolean' with 'bool'.
3604 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3606 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3607 * cppexp.c (lex): Cast enums for comparison.
3608 * cppinit.c (parse_option): Cast enum for comparison.
3609 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3610 (cpp_output_token): Likewise.
3611 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3612 (cpp_avoid_paste): Cast enums for minus and comparison.
3614 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3616 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3617 field to all array elements.
3619 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3621 * cpphash.h (struct cpp_reader): Add print_version field.
3622 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3623 just set print_version and other flags as appropriate.
3624 (cpp_post_options): Print version here if print_version is set.
3626 * toplev.c (exit_after_options): New flag.
3627 (independent_decode_option): Don't exit here; just set
3629 (main): Exit after calling lang_hooks.post_options if
3630 exit_after_options is true.
3632 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3633 (merge_include_chains): Adjust comment to match code.
3635 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3637 * stringpool.c (set_identifier): New function.
3638 * tree.h: Prototype it.
3640 * c-parse.in: Kill D_YES. If compiled for objc, call
3641 save_and_forget_protocol_qualifiers from init_reswords.
3642 * objc/objc-act.c (remember_protocol_qualifiers,
3643 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3644 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3646 (save_and_forget_protocol_qualifiers): New function.
3647 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3649 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3651 * c-semantics.c (prune_unused_decls): Return error_mark_node
3652 instead of (tree) 1 to stop traversing the tree chain.
3654 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3656 Fix a problem introduced by Kenner's Feb 18 change.
3657 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3658 flag_cse_skip_blocks only temporarily, not for ever.
3660 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3662 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3663 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3665 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3666 before determining its register class.
3668 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3670 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3671 from reg 4 if current_function_calls_setjmp.
3672 (gen_nop_type): New function.
3673 (ia64_emit_nops): New function.
3674 (ia64_reorg): Call it.
3675 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3677 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3678 code not to try to optimize adds with anything but a REG destination.
3680 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3681 (INSN_PRIORITY_KNOWN): New accessor macro.
3682 * haifa-sched.c (priority): Use it instead of testing priority against
3685 2001-02-28 DJ Delorie <dj@redhat.com>
3687 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3688 since that doesn't work the way gcc wants on a generic m68k.
3690 2001-02-28 Richard Henderson <rth@redhat.com>
3692 * caller-save.c (save_call_clobbered_regs): Fix typo in
3693 comparison last change.
3695 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3697 * i386.c (pentium4_cost): New.
3698 (m_PENT4): New macro.
3699 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3700 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3701 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3702 x86_memory_mismatch_stall): Add Pentium4
3703 (x86_use_q_reg, x86_use_any_reg): Kill.
3704 (override_options): Add pentium4.
3705 (incdec_operand): Return 0 for pentium4.
3706 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3707 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3708 (TARGET_PENTIUM4): Define.
3709 (enum processor_type): Add PROCESSOR_PENTIUM4.
3710 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3711 * i386.md (attribute "cpu"): Add pentium4.
3712 * invoke.texi (march): Add pentium4.
3714 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3716 * i386.md (sse_mov?fcc*): New patterns and splitters.
3717 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3718 the SSE based conditional moves.
3720 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3722 * i386.md (attribute mode): Add "TI".
3723 (movsf_1): Add pxor support; remove constant propagation splitter.
3724 (movdf_integer): Likewise.
3725 (movdf_nointeger): Likewise.
3726 (movxf constant prop splitter): Handle all modes; update for SSE.
3727 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3728 * i386.c (standard_80387_constant_p): Rewrite.
3729 (standard_sse_constant_p): New.
3730 * i386-protos.h (standard_sse_constant_p): New.
3732 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3734 * i386.md (sse_setccsf, sse_setccdf): New.
3735 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3737 * i386.c (sse_comparison_operator): Accept the supported unordered
3738 comparses; be ready for fast_math.
3739 (print_operand): Support 'D'.
3741 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3743 * jump.c (reversed_comparison_code): Kill.
3745 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3747 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3750 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3752 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3753 add missing '%' in constraints.
3755 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3757 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3758 for HOST_BITS_PER_WIDE_INT == 32 too.
3760 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3762 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3764 (insert_save, insert_restore): New parameter save_mode.
3765 (init_caller_save): Update initialization of reg_save_code
3766 and reg_restore_code.
3767 (save_call_clobbered_regs): Compute save_modes and update calls to
3768 reg_save_code and reg_restore_code.
3769 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3770 of spill; update use of reg_restore_code.
3771 (insert_save): Likewise.
3772 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3773 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3774 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3776 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3778 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3779 noce_try_store_flag_inc, noce_try_store_flag_mask,
3780 noce_try_cmove_arith):
3781 Use reversed_comparison_code instead of reverse_comparison and
3782 can_reverse_comparison_p.
3784 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3786 * jump.c (reversed_comparison_code_parts): Allow reversal of
3787 unordered compares in -ffast-math mode; reverse ordered compares
3788 for FP even w/o -ffast-math.
3790 2001-02-27 Richard Henderson <rth@redhat.com>
3792 * print-rtl.c (print_rtx) [i]: Don't print field five on
3793 NOTEs other than NOTE_INSN_DELETED_LABEL.
3795 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3797 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3798 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3800 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3802 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3803 even if walk_subtrees is 0.
3804 * c-semantics.c (prune_unused_decls): Return a non-null value to
3805 stop traversing the tree chain.
3807 2001-02-27 DJ Delorie <dj@redhat.com>
3809 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3810 register, *then* define it as the new CFA.
3812 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3814 * pa.c (override_options): Promote -fpic to -fPIC.
3815 (legitimize_pic_address): Simplify due to removal of
3816 small PIC as a code generation option.
3817 (secondary_reload_class): Similarly.
3818 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3819 (PRINT_OPERAND_ADDRESS): Similarly.
3820 * pa.md (various patterns): Similarly.
3821 (small pic lo_sum pattern): Remove.
3823 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3826 * md.texi (min, max): Document
3828 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3830 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3831 TARGET_PARTIAL_REG_DEPENDENCY.
3832 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3834 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3836 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3838 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3840 * mips.c (mips_make_temp_file): Fix thinko in last change.
3842 2001-02-26 Jason Eckhardt <jle@redhat.com>
3844 * combine.c (known_cond): Do not reverse the condition when
3845 SMAX/UMAX is being considered and the condition is for equality
3848 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3850 2001-02-26 Philip Blundell <philb@gnu.org>
3852 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3854 * config/arm/linux-elf.h: Remove historical relics related to
3855 above configurations.
3856 * config/arm/linux-oldld.h: Delete.
3857 * config/arm/linux-elf26.h: Delete.
3859 2001-02-26 Jason Merrill <jason@redhat.com>
3861 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3863 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3864 recognize a tentative definition. Lose obsolete code.
3866 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3867 variables unless necessary, either.
3869 2001-02-25 Richard Henderson <rth@redhat.com>
3871 * ifcvt.c (struct noce_if_info): Add test_bb.
3872 (noce_get_alt_condition): New.
3873 (noce_try_minmax, noce_try_abs): New.
3874 (noce_operand_ok): New.
3875 (noce_process_if_block): Use them.
3876 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3878 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3880 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3883 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3885 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3886 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3888 (mips_asm_file_end): Free temp_filename here.
3890 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3892 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3893 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3895 * config/i386/i386.md (movstrsi): Handle FAIL case.
3897 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3899 * cppinit.c (builtin_array): Update.
3900 (init_builtins): Flag builtins to warn if redefined or
3901 undefined. Define __GXX_WEAK as a normal macro.
3902 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3903 * cpplib.h (NODE_WARN): New flag.
3904 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3905 Handle __STDC__ as a builtin only on Solaris.
3906 (warn_of_redefinition): Renamed from check_macro_definition.
3907 Reverse sense of test. Always warn if NODE_WARN.
3908 (_cpp_create_definition): Use warn_of_redefinition. Flag
3909 any macro beginning with "__STDC_" to require a mandatory
3910 warning if redefined or undefined.
3912 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3914 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3915 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3916 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3917 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3918 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3919 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3920 Don't define any of:
3921 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3922 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3923 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3924 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3925 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3927 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3928 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3931 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3932 Delete now-empty file.
3934 * alpha/vms.h: Define NEED_ATEXIT here...
3935 * alpha/xm-vms.h: ...not here.
3937 * i386/cygwin.h: Don't define PARAMS.
3938 * mips/mips.c: Don't prototype mktemp. Don't define
3939 P_tmpdir. Use make_temp_file to create temporary files.
3940 Don't be clever and delete temporary files early.
3941 * config.gcc: Drop references to deleted files. Don't define
3943 * gcc.texi: Don't mention USE_PROTOTYPES.
3945 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3947 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3948 (ix86_set_move_mem_attrs_1): Likewise.
3949 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3950 * config/i386/i386.md (movstrsi): Call it.
3952 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3954 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3955 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3956 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3957 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3959 (i750a-*-*): Error here if hosting on i750a.
3960 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3962 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3963 Remove (empty modulo comments).
3965 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3966 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3967 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3968 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3969 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3970 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3972 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3973 Remove reference to winnt.h in comment.
3974 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3976 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3978 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3979 used to set another biv.
3981 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3983 * tree.h (BLOCK_DEAD): New macro.
3984 (struct tree_block): New flag, dead_flag.
3985 * print-tree.c (print_node, case 'b'): Print missing fields.
3986 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3987 * function.c (identify_blocks): Enable test for misplaced notes.
3988 (all_blocks): Skip BLOCK_DEAD blocks.
3989 * integrate.c (integrate_decl_tree): Likewise.
3991 * errors.c (internal_error, trim_filename): New functions.
3992 (fancy_abort): Call internal_error.
3993 * errors.h (internal_error, trim_filename): New declarations.
3995 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3997 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3999 (EXTRA_CONSTRAINT): Formatting changes.
4001 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4003 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4005 2001-02-23 Per Bothner <per@bothner.com>
4007 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4008 so they can be called from java/jvspec.c.
4009 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4011 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4013 * i386.c (ix86_frame): New structure.
4014 (ix86_compute_frame_size): Kill.
4015 (ix86_compute_frame_layout): New.
4016 (ix86_save_reg): New.
4017 (ix86_can_use_return_insn_p): Use frame layout stuff.
4018 (ix86_expand_prologue): Likewise.
4019 (ix86_expand_epilogue): Likewise.
4020 (ix86_initial_elimination_offset): Likewise.
4021 (ix86_nsaved_regs): Use ix86_save_reg.
4022 (ix86_emit_save_regs): Likewise.
4024 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4026 * flow.c (find_sub_basic_blocks): New function.
4027 (split_block): Be ready for basic block introduced by CODE_LABEL.
4028 (commit_one_edge_insertion): Call find_sub_basic_block.
4030 * flow.c (make_edges): Add edge from entry for blocks starting with
4031 label having ALTERNATE_NAME
4033 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4035 * function.c (epilogue_done): Be ready for first basic block not
4036 containing PROLOGUE_END note.
4037 (reposition_prologue_and_epilogue_notes): Avoid placing
4038 PROLOGUE_END note between BASIC_BLOCK.
4040 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4042 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4044 2001-02-21 DJ Delorie <dj@redhat.com>
4046 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4047 check for current_function_has_nonlocal_goto from 1999-11-12.
4049 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4051 * diagnostic.c (trim_filename): No longer static.
4052 * toplev.h (trim_filename): Declare.
4053 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4054 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4055 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4056 (rtvec_check_failed_bounds): Likewise.
4057 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4059 * convert.c (convert_to_integer): Don't do unsigned unless result or
4060 both inputs are unsigned.
4062 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4065 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4067 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4069 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4071 * Makefile.in (resource.o): Add params.h dependence.
4072 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4073 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4074 * resource.c: Add dependence on params.h.
4075 (current_live_regs): Fix explanatory comment.
4076 (find_basic_block): Add new parameter to permit limiting search
4078 (mark_target_live_regs): Add new argument to find_basic_block call.
4079 (incr_ticks_for_insn): Likewise.
4081 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4083 * diagnostic.c (output_to_stream): Rename to
4084 output_buffer_to_stream. Loses the stream parameter.
4085 (init_output_buffer): Set diagnosic_buffer's stream.
4086 (flush_diagnostic_buffer): Adjust.
4087 (default_print_error_function): Likewise.
4088 (finish_diagnostic): Likewise.
4089 (verbatim): Likewise.
4091 * diagnostic.h (struct output_buffer): Add `stream' field.
4092 (output_buffer_attached_stream): New macro.
4094 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4096 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4097 check if either operand is divisible by C.
4098 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4099 If type is signed, consider negative numbers as well.
4101 2001-02-22 Richard Henderson <rth@redhat.com>
4103 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4104 reach .text instead of gp-relative relocs.
4105 * config/ia64/crtend.asm (.init): Likewise.
4107 2001-02-22 Andreas Jaeger <aj@suse.de>
4109 * extend.texi (C++ Attributes): Fix typo.
4111 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4113 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4114 functions, drop current_function_args_info.words test.
4115 (ia64_compute_frame_size): Mark syscall_linkage functions as
4116 using eight input registers.
4118 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4119 Bruce Korb <bkorb@gnu.org>
4121 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4122 * fixinc/README: Document how to convert sed substitutions
4123 to format style c_fix-es.
4124 * fixinc/fixincl.x: regen
4126 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4128 * gcc.c: Add comment explaining how to add a command-line option.
4129 Add title to specs language comment.
4131 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4133 * gcc.c (cc1_options): Add "-param".
4134 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4135 (option_map): Likewise.
4136 * toplev.c (display_help): Add entry for "--param".
4137 (independent_decode_option): Fix typographical error.
4139 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4140 Bernd Schmidt <bernds@redhat.com>
4141 Jan Hubicka <jh@suse.cz>
4143 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4144 (function_arg): Likewise.
4146 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4148 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4150 2001-02-21 Kazu Hirata <kazu@hxi.com>
4152 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4156 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4158 * flow.c (init_propagate_block_info): Canon address and use single_set
4159 for killing dead memory stores.
4161 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4163 * Makefile.in (reorg.o): Add params.h dependence.
4164 * params.def: Fix typographical error in comment.
4165 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4166 * params.h: Modify introductory comment.
4167 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4168 * reorg.c: Add dependence on params.h.
4169 (redundant_insn): Add parameterized throttle for search.
4170 (fill_simple_delay_slots): Add a comment explaining a variable.
4171 Move conditional out of loop, simplifying code.
4172 (fill_eager_delay_slots): Fix typographical error in comment.
4174 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4176 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4178 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4179 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4181 2001-02-21 Jason Merrill <jason@redhat.com>
4183 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4184 (struct tree_decl): Add uninlinable bitfield.
4185 * c-decl.c (duplicate_decls): Set it.
4186 * integrate.c (function_cannot_inline_p): Check it.
4188 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4189 DW_AT_MIPS_linkage_name to abstract methods.
4190 (dwarf2out_abstract_function): Emit class context before calling
4191 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4192 (gen_subprogram_die): Remove obsolete code.
4193 (gen_member_die): Don't include clones in the member list.
4194 (gen_decl_die): Emit abstract info for clone origin.
4195 * dwarfout.c (output_type): Don't include clones in the member list.
4196 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4197 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4198 DECL_ABSTRACT on a function that already has it set.
4200 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4201 (get_subprogram_die): Pass it in.
4203 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4205 * flow.c (mark_set_1): Make not_dead unsigned long. For
4206 non-pseudos, use it as a bitmask of the hard regs that
4209 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4211 * cppfiles.c: Update comments.
4212 (_cpp_read_file): Don't check for NULL filenames any more.
4213 * cppinit.c (cpp_start_read): Don't do canonicalization of
4214 in_fname and out_fname. Use the passed file name exclusively.
4215 (_cpp_handle_options): Don't treat "-" as a command line option,
4216 but as a normal filename.
4217 (_cpp_post_options): Canonicalize in_fname and out_fname.
4218 * cppmain.c (printer_init): Don't check out_fname for NULL.
4219 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4220 (init_c_lex): Update, and use "" to represent stdin to CPP.
4223 2001-02-20 Will Cohen <wcohen@redhat.com>
4225 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4226 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4227 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4230 2001-02-20 Stan Shebs <shebs@apple.com>
4232 * config/rs6000/rs6000.c (output_cbranch): Output branches
4233 on separate lines instead of using ';' to separate.
4235 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4237 * cppinit.c (set_lang): Move builtin handling to...
4238 (init_builtins): ...here.
4239 (_cpp_create_reader): Move call to set_lang.
4241 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4243 * stmt.c (expand_return): If an attempt is made to return the
4244 error_mar_node, treat the return like a return without a value.
4246 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4248 * sibcall.c (skip_copy_to_return_value): Call
4249 identify_call_return_value here, and return orig_insn if it
4250 returns zero. Hardret and softret arguments now unnecessary.
4251 (call_ends_block_p): Don't call identify_call_return_value here.
4253 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4255 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4256 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4258 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4260 * pa.c (move_operand): Accept code to load the address of a
4261 symbol out of the DLT as a valid move operand.
4262 (print_operand, case 'A'): New to handle generating a DLT
4263 reference for a LO_SUM expression.
4264 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4265 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4267 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4269 * README, cpp.texi, gcc.texi, version.c: Update version number to
4271 * cpp.1, gcov.1, gcc.1: Regenerate.
4273 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4275 * cppfiles.c (stack_include_file): Generate dependencies
4276 here, and manage include_count here too.
4277 (PRINT_THIS_DEP): Delete.
4278 (_cpp_execute_include): Do not generate dependencies here,
4279 apart from the case of a missing header. Do not manage
4281 (_cpp_read_file): Leave dependency generation to
4284 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4286 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4287 target_cpu_default. Remove dead assignment to
4290 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4292 * regclass.c (contains_reg_of_mode): Make global.
4293 (init_reg_sets): Remove contains_reg_of_mode; take into account
4294 CLASS_MAX_NREGS when looking for the proper mode.
4295 (dump_regclass): Dump only classes considered for the pseudo.
4296 (regclass): Use contains_reg_of_mode.
4298 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4300 * gcc.c (do_spec_1): 'n' for printing notices.
4301 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4303 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4305 * reg-stack.c (next_flags_user): Use current_block->end
4306 (swap_rtx_condition): Look for next user if flags don't die;
4307 give up on CALL_INSNs; use current_block->end.
4309 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4311 * sibcall.c (call_ends_block_p): New function.
4312 (optimize_sibling_and_tail_recursive_call): Use it.
4314 2001-02-18 Kazu Hirata <kazu@hxi.com>
4316 * config/h8300/h8300.md: Update copyright.
4317 (andsi3): Do not output an extra newline character.
4319 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4321 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4322 FNDECL may be unused.
4324 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4325 follow jumps after first run.
4326 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4327 it doesn't change any jumps.
4329 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4331 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4332 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4333 (mostlyclean): Corresponding changes.
4334 * rtlanal.c (hard-reg-set.h): Include.
4335 (rtx_unstable_p): Do not treat the argument pointer specially
4336 if it is not a fixed register.
4337 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4339 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4341 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4342 against last real insn in basic block.
4343 Rework to avoid gotos.
4345 * Makefile.in (gcse.o): Now includes ggc.h.
4346 * gcse.c: Include ggc.h.
4347 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4348 (try_replace_reg): Remove warning of uninitialize variable.
4349 (process_insert_insn): Call invalid_insn_p to validate insn.
4350 * recog.c (insn_invalid_p): Now global.
4351 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4352 * recog.h (insn_invalid_p): New declaration.
4354 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4356 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4357 assignments from FP constants since 'Y' output code can't handle it.
4358 (eligible_for_sibcall_delay): Likewise.
4360 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4361 Call fancy_abort directly, passing args.
4362 (print_rtl_and_abort): Now a macro, like fancy_abort.
4364 * final.c (output_operand_lossage): Use internal_error, not error.
4366 2001-02-18 Shane Nay <shane@agendacomputing.com>
4368 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4369 structure shift insns.
4371 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4373 * invoke.texi (-fsquangle): Remove documentation.
4374 (-fname-mangling-version): Likewise.
4376 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4378 * optabs.c (expand_abs): Remove reference to
4379 HAVE_contitional_arithmetic.
4380 * combine.c (simplify_set): Likewise.
4382 2001-02-18 Richard Henderson <rth@redhat.com>
4384 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4387 2001-02-18 Richard Henderson <rth@redhat.com>
4389 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4391 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4393 * reload1.c (reload_cse_simplify_set): Fix typo.
4395 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4397 * diagnostic.c (_fatal_insn): Decrement errorcount.
4399 * invoke.texi (-I): Add note avoiding use for system header files.
4401 * rtl.h (add_clobbers): Remove duplicate declaration.
4402 * recog.h (added_clobbers_hard_reg_p): New declaration.
4403 * genemit.c (struct clobber_pat): New field has_hard_reg.
4404 (gen_insn): Record if added clobbers clobber hard reg.
4405 (gen_split): Avoid unused warning if number of operands is 0.
4406 (output_added_clobbers_hard_reg_p): New function.
4409 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4411 * pa.c (hppa_expand_prologue): Simplify code storing return
4412 pointer. For large (>=8k) frames with a post_store, adjust stack
4413 pointer by 8k-64 first rather than by 64. When testing with
4414 VAL_14_BITS_P, always use the actual value rather than the value
4415 negated. Add blockage to prevent scheduling of spills before
4416 stack frame has been created.
4417 (hppa_expand_epilogue): Simplify code loading return pointer.
4418 Allow a slightly larger range for merge_sp_adjust_with_load case.
4419 When testing with VAL_14_BITS_P, always use the actual value.
4421 * pa.c (pa_adjust_insn_length): Check that block move
4422 pattern is a set before looking at operands.
4424 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4426 * fold-const.c (fold_binary_op_with_conditional_arg): New
4427 function, split out from ...
4429 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4430 conditional arms that throw exceptions.
4432 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4435 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4437 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4438 define HAVE_DECL_* to 1 to mask potential backup declarations.
4439 * configure: Regenerated.
4441 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4443 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4445 2001-02-17 Richard Henderson <rth@redhat.com>
4447 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4448 when replacing a memory load with a register.
4450 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4451 Jan Hubicka <jh@suse.cz>
4453 * recog.c (validate_replace_src_1): New.
4454 (validate_replace_src_data): Likewise.
4455 (validate_replace_src): Use note_uses.
4456 * rtl.h (note_uses): Declare.
4457 * rtlanal.c (note_uses): New.
4459 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4461 * reg-stack.c (stack_def): Make field reg unsigned.
4462 (remove_regno_note): Unsignetize parameter.
4464 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4466 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4467 shladd_operand() call.
4469 2001-02-16 Bruce Korb <bkorb@gnu.org>
4470 Rodney Brown <RodneyBrown@mynd.com>
4472 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4473 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4474 machine restrictions
4475 * fixinc/fixincl.x: regen
4477 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4479 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4481 (hash_scan_insn): Clean up calls to hash_scan_set.
4482 (compute_kill_rd): REGNO now unsigned.
4483 (try_replace_reg): Rework to use simplify_replace_rtx.
4484 (cprop_jump, cprop_cc0_jump): Likewise.
4485 (cprop_insn): Call find_reg_equal_equiv_note.
4486 Reflect changes to cprop_jump and cprop_cc0_jump.
4488 * recog.c (validate_replace_src): Replace in operands of
4489 ZERO_EXTRACT in SET_DEST.
4491 * cse.c (new_label_ref): New variable.
4492 (insert): Set it instead of recorded_label_ref.
4493 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4494 CODE_LABEL for this function, and not already in REG_LABEL note.
4496 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4498 * resource.c (mark_referenced_resources): Fix typo in introductory
4500 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4503 2001-02-16 Jason Merrill <jason@redhat.com>
4505 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4507 (gen_subprogram_die): Don't abort on seeing a second definition if
4508 the previous one was abstract. Don't replace an abstract instance
4509 in the lookup table.
4511 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4512 gen_abstract_function.
4513 * dwarf2out.h: Declare it.
4514 * toplev.c (note_outlining_of_inline_function): New fn.
4515 * toplev.h: Declare it.
4516 * integrate.c (output_inline_function): Call it.
4517 * c-decl.c (duplicate_decls): Call it when redefining an extern
4518 inline. Don't inline the new defn.
4520 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4522 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4524 * .gdbinit: Rename to gdbinit.in.
4525 * gdbinit.in: New file,
4526 * configure.in: Generate .gdbinit from gdbinit.in.
4527 * configure: Regenerated.
4528 * Makefile.in (distclean): Always remove .gdbinit.
4530 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4532 * objc/objc-act.c (start_class): Register implemented_classes with
4535 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4537 * cppfiles.c (_cpp_make_system_header): Generate a file
4540 2001-02-15 Jim Meyering <meyering@lucent.com>
4542 * Makefile.in (install-common): Don't depend on installdirs here.
4543 Instead, make each of the lang.install-common targets (e.g.,
4544 c++.install-common in cp/Make-lang.in) depend on it.
4545 (install-driver): Depend on installdirs.
4547 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4549 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4551 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4554 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4556 * invoke.texi (--param): Document.
4558 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4560 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4562 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4564 * i386.md (extendsfdf2_2): Fix constraints.
4566 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4568 * i386.md (fop_df_3 splitter): Fix operand number.
4570 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4572 * invoke.texi (-mreg-alloc): Nuke.
4573 * i386.c (ix86_reg_alloc_order, regs_allocated,
4574 order_regs_for_local_alloc): Nuke.
4575 (override_options): Kill reg_alloc code.
4576 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4577 (REG_ALLOC_ORDER): SSE goes before I387.
4578 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4579 (ix86_reg_alloc_order): Likewise.
4580 * i386-protos.h (ix86_reg_alloc_order): Kill.
4582 2001-02-14 Richard Henderson <rth@redhat.com>
4584 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4586 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4588 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4590 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4592 * i386-protos.h (ix86_memory_move_cost): Move offline.
4593 * i386.c (ix86_register_move_cost): Compute properly cost of
4594 SSE, MMX and i387 instructions.
4595 (*_cost): Add costs of SSE/MMX moves.
4596 (ix86_memory_move_cost): Move offline from ....; Likewise.
4597 * i386.h (MEMORY_MOVE_COST): .... here;
4598 (struct processor costs): Add new fields to represent costs
4601 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4603 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4604 move_cost together with Matt Kraai's fix.
4606 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4608 * Makefile.in (OBJS): Add params.o.
4610 2001-02-14 Richard Henderson <rth@redhat.com>
4611 DJ Delorie <dj@redhat.com>
4613 * jump.c (jump_optimize_1): When we delete a conditional jump
4614 preceeding a non-conditional jump to effectively the same place,
4615 make sure that the combined jump skips any clobber insns between
4618 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4620 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4622 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4624 * Makefile.in (toplev.o): Depend on params.h.
4625 (intergate.o): Likewise.
4626 (params.o): New target.
4627 * flags.h (inline_max_insns): Remove.
4628 * integrate.c: Include params.h.
4629 Use MAX_INLINE_INSNS instead of inline_max_insns.
4630 * params.c: New file.
4631 * params.h: Likewise.
4632 * params.def: Likewise.
4633 * toplev.c: Include params.h.
4634 (lang_independent_params): New variable.
4635 (decode_f_option): Use the param machinery instead of setting
4637 (independent_decode_option): Handle "--param name=value".
4638 (main): Register language-independent parameters.
4640 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4642 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4644 2001-02-14 Richard Henderson <rth@redhat.com>
4646 * regclass.c (init_reg_sets_1): Revert last two changes.
4648 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4650 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4651 (variable_size): Call put_pending_size.
4652 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4653 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4654 sizes list, put newly created SAVE_EXPR there as well.
4656 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4658 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4659 (errata_find_address_regs): load_group has only 2 entries.
4660 (errata_emit_nops): Likewise. shladd is not problematic.
4661 Clear last_group if nop was emitted.
4662 (fixup_errata): load_group has only 2 entries.
4665 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4667 * c-lex.c (lex_number): Only warn traditionally for U suffix
4668 outside system macros.
4669 * cppexp.c (parse_number): Similarly.
4670 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4671 * cppmacro.c (struct cpp_macro): New member node.
4672 (parse_args): Only warn about missing rest args if not
4674 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4675 (cpp_sys_objmacro_p): New.
4676 (_cpp_create_definition): Store the node with the macro defn.
4677 Remember if the macro is defined in a system header.
4679 2001-02-13 DJ Delorie <dj@redhat.com>
4681 * configure.in (check_languages): determine languages to check
4682 * Makefile.in (check-c++): alias for check-g++
4683 (check-f77): alias for check-g77
4684 (CHECK_TARGETS): depend on configured languages
4686 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4688 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4689 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4690 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4691 (sqrtextendsfdf2): Disable for SSE2.
4693 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4695 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4696 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4697 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4698 (sqrtextendsfdf2): Disable for SSE2.
4700 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4702 * i386.md (movsfcc_1): Support integer cmove instruction.
4703 (movdfcc_1): Likewise; new splitter.
4705 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4707 * i386.c (output_fp_compare): Support SSE.
4708 (prepare_fp_compare_args): SSE comparisons always support memory.
4709 * i386.h (TARGET_CMOVE): SSE imply cmove.
4710 * i386.md (cmp?f2): Enable for SSE too.
4711 (cmpfp_i*): Support SSE.
4713 (cmpfp_i_sse_only): New.
4714 (s*, b* fp expanters): Enable for SSE too.
4715 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4718 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4720 * regclass.c (init_reg_sets_1): Silence warning.
4722 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4724 * i386.md (sqrt?f2): Change to expander.
4725 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4727 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4729 * rtlanal.c (find_reg_equal_equiv_note): New function.
4730 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4731 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4732 * rtl.h: Add declarations for above functions.
4734 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4736 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4738 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4739 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4740 * flow.c (mark_regs_live_at_end): Likewise.
4741 (calculate_global_regs_live): Likewise.
4742 * gcse.c (compute_hash_table): Likewise.
4743 (compute_kill_rd): Likewise.
4744 * resource.c (mark_target_live_regs): Likewise.
4745 * rtl.h (INVALID_REGNUM): New macro.
4747 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4749 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4751 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4753 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4756 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4758 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4760 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4761 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4762 (fop_sf_1_sse, fop_df_1_sse): New patterns
4763 (fop_*): Disable float_extend and float patterns for SSE compilation.
4764 * i386.c (output_387_binary_op): Support SSE.
4766 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4768 * i386.md (dummy_extendsfdf2): Support SSE2
4769 (extendsfdf2): Enable if 80387 or SSE2.
4770 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4771 and no MIX_I387_SSE2
4772 (extendsfdf2_1_sse_only): New pattern.
4773 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4775 (truncdfsf2_1): Support SSE.
4776 (truncdfsf2_2): Support SSE.
4777 (truncdfsf2_2_1_sse): New pattern.
4778 (fixtruncsfsi2): Always use SSE if available.
4779 (fix_truncsfsi_sse): New pattern.
4780 (fix_truncdfsi_sse): New pattern.
4781 (floatsis?f2): Support SSE.
4782 (floatsidf2_i387): New pattern.
4783 (floatsidf2_sse): Likewise.
4785 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4787 * configure.in: Use "have_gnat" variable, not "gnat".
4788 * configure: Regenerated.
4790 * config/sparc/sparc.c (function_value): Treat all non-record
4791 aggregate types like used to treat UNION_TYPE.
4793 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4795 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4796 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4798 (MASK_MIX_SSE_I387): New.
4799 (TARGET_SSE): SSE2 imply SSE.
4800 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4801 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4802 (enum reg_class): Add new classes.
4803 (REG_CLASS_NAMES): Likewise.
4804 (REG_CLASS_CONTENTS): Likewise.
4805 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4806 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4807 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4808 (CLASS_MAX_NREGS): Use new macros.
4809 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4810 * i386.md (pushsf, movsf): Support SSE.
4811 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4812 splitters to use ANY_FP_REGNO_P.
4813 (movdf_nointeger, movdf_integer): Likewise.
4815 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4817 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4818 (try_combine): Use it.
4820 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4822 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4823 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4824 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4825 (REGISTER_MOVE_COST): Likewise.
4826 * i386-protos.h (ix86_secondary_memory_needed,
4827 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4828 * i386.c (ix86_secondary_memory_needed,
4829 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4831 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4833 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4834 (HARD_REGNO_MODE_OK): Move offline to ....
4835 * i386.c (ix86_hard_regno_mode_ok) ... here;
4836 refuse all incorrect modes.
4837 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4839 2001-02-13 Richard Henderson <rth@redhat.com>
4841 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4842 entire operator; replicate that and match_dup the operands.
4843 (cmp_ccx_arith_op_set): Likewise.
4844 (cmp_cc_arith_op_not_set): Likewise.
4845 (cmp_ccx_arith_op_not_set): Likewise.
4847 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4849 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4851 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4853 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4854 (TARGET_NO_BITFIELD_WORD): New macro.
4855 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4856 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4858 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4860 * cselib.c: New file, from simplify-rtx.c.
4861 * simplify-rtx.c: Remove cselib parts.
4862 * Makefile.in: Add cselib.o.
4864 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4866 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4867 (setup_incoming_varargs): Remove warning.
4869 * config/rs6000/rs6000.c (validate_condition_mode): When
4870 flag_fast_math, allow floating-point conditionals to be reversed.
4871 (rs6000_generate_compare): When flag_fast_math, don't generate
4872 cror operations for FP conditionals.
4874 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4876 (ASM_SPEC): Likewise.
4877 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4878 (CC1_SPEC): Likewise.
4879 (LINK_TARGET_SPEC): Likewise.
4880 (CPP_ENDIAN_SPEC): Likewise.
4881 * Makefile.in (check-consistency): New target.
4883 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4885 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4886 "return type defaults" warning for functions with return type
4888 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4889 function declarations by default rather than only when pedantic.
4891 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4893 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4896 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4898 * extend.texi (Deprecated): Deprecate new initializer lists.
4900 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4902 * mkdeps.c (deps_add_default_target): Robustify. Add
4903 basename component only.
4904 * cpp.texi (-M): Describe how default target is generated.
4905 * invoke.texi (-M): Likewise.
4907 2001-02-12 Kazu Hirata <kazu@hxi.com>
4909 * toplev.c (push_float_handler): Remove.
4910 (pop_float_handler): Remove.
4911 * toplev.h: Remove prototypes for the above functions.
4913 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4915 * c-common.c (constant_fits_type_p): New function.
4916 (convert_and_check): Use it.
4918 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4920 * Makefile.in (GXX_ABI_FLAG): Don't define.
4921 * configure.in (--enable-new-gxx-abi): Remove option.
4922 * config.in: Regenerated.
4923 * configure: Likewise.
4925 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4927 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4929 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4930 regular basic block, and arrange for all edges into it to switch
4933 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4935 * Makefile.in (distclean): Do not remove .gdbinit.
4937 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4939 * Makefile.in (gcc.o): Fix typos.
4940 (protize.o): Likewise.
4941 (unprotoize.o): Likewise.
4943 2001-02-11 Richard Henderson <rth@redhat.com>
4945 * tree.c (build1): Check for null operand in last change.
4947 2001-02-11 Richard Henderson <rth@redhat.com>
4949 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4950 (fold): Don't assume a constant isn't foldable.
4951 * tree.c (build): Set TREE_CONSTANT for an expression with no
4952 side-effects and constant operands.
4955 2001-02-10 Richard Henderson <rth@redhat.com>
4957 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4959 2001-02-10 Anthony Green <green@redhat.com>
4961 * cpp.texi (Standard Predefined): Add documentation for
4964 * c-common.c (combine_strings): Improve warning message.
4966 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4968 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4970 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4972 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4974 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4977 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4979 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4982 2001-02-09 Nick Clifton <nickc@redhat.com>
4984 * config/arm/arm.md: Change output contraint on post inc
4985 load/store multiple patterns to be a read/write contraint.
4987 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4989 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4990 .o files when using the -M options.
4992 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4993 David Edelsohn <edelsohn@gnu.org>
4995 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4996 handle DImode constants. Use one TOC entry for SImode and smaller
4997 constants, aligned properly.
4999 2001-02-08 Jason Merrill <jason@redhat.com>
5001 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5002 about the SP adjustment for saving the static chain pointer.
5003 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5004 offset when setting a temporary CFA register.
5006 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5008 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5009 powerpc-*-chorusos* .
5010 * config/rs6000/chorus.h : New file.
5011 * config/i386/chorus.h : New file.
5012 * config/sparc/chorus.h : New file.
5013 * config/sparc/t-chorus-elf : New file.
5015 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5017 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5018 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5019 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5020 (__WCHAR_TYPE__): Correct macro name.
5022 2001-02-08 Richard Henderson <rth@redhat.com>
5024 * config/i386/i386.c (ix86_frame_pointer_required): New.
5025 (ix86_setup_frame_addresses): New.
5026 (struct machine_funciton): Add accesses_prev_frame.
5027 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5028 ix86_frame_pointer_required.
5029 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5030 (SETUP_FRAME_ADDRESSES): New.
5031 * config/i386/i386-protos.h: Update.
5032 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5033 from FRAME_POINTER_REQUIRED.
5034 * config/i386/svr3gas.h: Likewise.
5035 * config/i386/sysv3.h: Likewise.
5036 * config/i386/v3gas.h: Likewise.
5038 2001-02-08 Richard Henderson <rth@redhat.com>
5040 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5041 calculation of the number of integer registers required.
5042 (function_arg_record_value): Likewise.
5044 2001-02-08 Jason Merrill <jason@redhat.com>
5046 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5047 two. Print file and line with "confused" message.
5049 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5051 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5053 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5055 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5057 * final.c (cleanup_subreg_operands): The address of a MEM can
5060 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5063 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5065 * gcc.texi (Incompatibilities): Update documentation of
5066 preprocessing numbers.
5068 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5070 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5072 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5074 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5076 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5077 * gcc.c (struct compiler): Add cpp_spec field.
5078 (input_file_compiler): New variable.
5079 (do_spec_1): Allow a particular compiler to handle `%C'
5081 (main): Store the current compiler in input_file_compiler.
5082 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5084 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5086 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5087 * cppinit.c (cpp_create_reader): Initialize them.
5088 (append_include_chain): cxx_aware arg might be unused.
5089 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5090 keywords and give them their phase 7 meaning. Pedwarn about
5091 this unless '__bool_true_false_are_defined' is defined.
5093 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5095 * lcm.c (optimize_mode_switching): Emit mode_set before the
5096 JUMP_INSN of an abnormal edge.
5098 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5100 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5101 a scheduling barrier at the end.
5103 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5105 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5107 * config/sh/sh.md (reload_outsf): Removed.
5108 (movsf_ie): Introduce constraints for FPUL loads and stores.
5109 (reload_insf): Broaden the output constraint.
5111 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5113 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5114 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5116 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5118 * final.c: Revert my previous changes.
5119 * output.h: Make profile_label_no extern.
5120 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5121 for generating label.
5123 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5125 * config/i386/djgpp.h: Add comments about standard paths.
5126 (MD_EXEC_PREFIX): Undefine before defining.
5127 (MD_STARTFILE_PREFIX): New.
5129 2001-01-30 Bruce Korb <bkorb@gnu.org>
5131 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5132 (load_file): do not rely on load_file_data() to close file pointer
5133 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5134 fixinc/inclhack.def(irix_limits_const): add test_text
5136 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5138 * cppexp.c (parse_defined): Improve diagnostics for invalid
5141 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5143 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5145 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5147 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5148 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5149 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5150 (rs6000_output_symbol_ref): New function.
5151 (output_toc): Use VTABLE_NAME_P.
5153 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5155 * print-tree.c (print_node, case PARM_DECL):
5156 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5158 * stor-layout.c (reference_types_internal): New variable.
5159 (internal_reference_types): New function.
5160 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5161 * tree.h (internal_reference_types): New declaration.
5163 * cse.c (find_best_addr): Fix typo in computing cost.
5165 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5167 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5168 and this is the sum of a pointer and a constant, we know the result
5170 (num_sign_bit_copies, case PLUS): Likewise.
5171 * explow.c (convert_memory_address): Remove opposite SUBREG.
5172 * function.c (instantiate_new_reg): New function (from common code).
5173 (instantiate_virtual_regs_1): Call it.
5174 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5175 if pointers sign- or zero-extend.
5176 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5177 If pointers extend unsigned, use inside of SUBREG.
5178 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5180 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5182 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5183 subdir of gcc_gxx_include_dir.
5184 (gcc_gxx_target_include_dir): Remove.
5186 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5188 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5189 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5190 a high-level description.
5192 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5194 * final.c: Move the declaration of profile_label_no to ...
5195 * output.h: ... here.
5196 * function.c (expand_function_start): Call PROFILE_HOOK.
5197 * config/rs6000/aix.h: Define PROFILE_HOOK.
5198 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5199 * config/rs6000/rs6000.c (output_profile_hook): Define.
5200 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5201 output_profile_hook.
5202 tm.texi : Explain new macro PROFILE_HOOK.
5204 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5206 * extend.texi (Extended Asm): Do not say that semicolon is always
5207 a valid line-breaking character for GNU assemblers. Use
5208 newline-tab as the most commonly supported syntax. Use
5209 newline-tab rather than semicolon in multi-insn examples.
5211 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5213 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5215 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5216 David Edelsohn <edelsohn@gnu.org>
5218 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5219 code for AIX, even without flag_pic.
5221 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5223 * c-typeck.c (common_type): push and pop binding level around
5224 calling common_type on function parameters.
5226 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5228 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5230 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5232 * config/mips/mips.c (override_options): Fix typo in last change.
5233 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5234 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5236 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5238 * invoke.texi (-fdump-class-layout): Document.
5239 (-fdump-translation-unit): Use `=' as filename separator.
5241 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5243 * Makefile.in (s-mlib): Don't build multilibs if
5245 (DRIVER_DEFINES): Adjust accordingly.
5247 (protoize.o): Likewise.
5248 (unprotoize.o): Likewise.
5249 * configure.in: Recognize --enable-multilib.
5251 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5253 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5255 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5256 * configure.in: Remove --enable-libstdcxx_v3 support.
5257 * configure: Regenerated.
5259 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5261 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5262 Call abort instead of fatal.
5263 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5264 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5265 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5266 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5267 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5268 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5270 * diagnostic.h (set_internal_error_function): Renamed.
5271 * toplev.h (internal_error): Renamed from fatal.
5272 (pfatal_with_name): Deleted.
5273 (fatal_io_error): Now has printf-style arguments.
5274 * diagnostic.c (pfatal_with_name): Deleted.
5275 (fatal_io_error): Rework to have args in printf-style.
5276 (set_internal_error_function): Renamed from set_fatal_function.
5277 (internal_error): Renamed from fatal.
5278 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5279 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5280 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5281 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5282 * flow.c (verify_flow_info): Likewise.
5283 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5284 * config/mips/mips.c (save_restore_insns): Likewise.
5286 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5287 * flow.c (verify_flow_info): Likewise.
5288 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5289 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5290 (avr_normalize_condition): Likewise.
5291 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5292 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5293 (limit_reload_class, double_reg_to_memory): Likewise.
5294 (print_operand_address, emit_1600_code_shift): Likewise.
5295 (gen_tst_reg, gen_compare_reg): Likewise.
5296 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5297 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5299 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5301 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5302 * objc/objc-act.c (build_ivar_chain): Likewise.
5303 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5305 * graph.c (clean_graph_dump_file): Likewise.
5306 * profile.c (init_branch_prob): Likewise.
5307 * objc/objc-act.c (objc_init): Likewise.
5309 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5310 * config/avr/avr.c (avr_override_options): Likewise.
5311 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5312 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5313 * config/h8300/h8300.c (h8300_init_once): Likewise.
5314 * config/mips/mips.c (override_options): Likewise.
5315 * config/i386/i386.c (override_options): Likewise, rework.
5316 * config/m68k/m68k.c (override_options): Likewise.
5318 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5320 * config/mips/mips.c (print_operand): Likewise.
5321 * hash.c (hash_allocate): Don't check for failure returns from
5322 obstack functions that can't fail.
5323 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5324 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5325 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5326 (get_object_reference): Likewise.
5328 2001-02-04 Nick Clifton <nickc@redhat.com>
5330 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5331 StrongARM1110, 10TDMI, and 1020T.
5333 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5335 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5337 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5339 * config/sh/sh.md (movdf load split): Pass register number to
5340 FP_OR_XD_REGISTER_P.
5342 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5344 * cppinit.c (BC): New macro.
5345 (builtin_array): Add __GXX_WEAK__.
5346 * cpplib.h (builtin_type): Add BT_WEAK.
5347 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5348 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5349 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5351 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5353 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5355 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5357 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5358 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5360 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5362 * cpphash.h: Rename ALIGN _ALIGN.
5363 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5365 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5367 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5368 compilation environment.
5369 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5370 control over location of cygwin includes and libs.
5372 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5374 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5376 2001-02-02 lars brinkhoff <lars@nocrew.org>
5378 * md.texi (Standard Names): remove reference to spur.md.
5380 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5382 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5383 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5384 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5385 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5386 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5388 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5390 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5391 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5392 number before reload.
5393 (c4x_adjust_cost): Return zero before reload.
5394 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5395 split before reload.
5397 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5399 * c4x.c (c4x_hard_regno_rename_ok): New.
5400 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5401 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5403 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5405 * diagnostic.h: Add missing "extern" in all declarations.
5407 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5409 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5410 as for gcc_gxx_include_dir.
5412 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5414 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5416 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5418 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5419 label before alignment to be used as the braf base address.
5420 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5422 (casesi_jump_2): Require at least TARGET_SH2.
5424 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5425 truncation to 32-bit doubles on -m3e and -m4-single-only.
5427 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5429 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5430 the default when building a shared object.
5431 (init_spec): Use it.
5432 * testsuite/lib/g++.exp: Include the directory where libgcc
5433 is located to the LD_LIBRARY_PATH list.
5434 * invoke.texi (-shared-libgcc): Document the cases in which
5435 GCC defaults to using the shared libgcc.
5437 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5439 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5440 unsigned is wide enough.
5442 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5443 (si_to_float): Likewise.
5444 (float_to_si, float_to_usi): Use BITS_PER_SI.
5446 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5448 * dwarf2out.c: Added explanation of abbreviations.
5449 (def_cfa_1): Added comments listing DWARF2 instructions.
5450 (cfa_temp_reg): Removed in favor of cfa_temp.
5451 (cfa_temp_value): Removed in favor of cfa_temp.
5452 (cfa_temp): New global variable.
5453 (dwarf2out_frame_debug_expr): Added extensive introductory
5454 comments explaining the function's transformations. Revised to
5455 use cfa_temp. Added some rtx checking. Generalize IOR case.
5456 (dwarf2out_frame_debug): Revised to use cfa_temp.
5457 (output_aranges): Cast as "unsigned" to avoid warning.
5458 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5459 explain which instructions must be marked.
5461 2001-02-01 Richard Henderson <rth@redhat.com>
5463 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5466 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5468 * config/sh/crt1.asm (main_k): Modified so that start calls
5469 ___setup_argv_and_call_main.
5471 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5473 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5474 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5475 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5476 * cppmacro.c (builtin_macro): Set builtin flags here.
5477 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5478 (replace_args): Clarify intent.
5479 (cpp_get_token): Macro expansion tokens get the saved flags.
5481 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5484 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5486 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5489 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5491 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5492 returns Pmode pseudo, but we need ptr_mode.
5493 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5494 Remove bogus conversions; use HOST_WIDE_INT for size.
5495 Don't use TARGET if wrong mode.
5497 * config/i386/i386.c (ix86_compute_frame_size): Allow
5498 stack_alignment_needed to be non-default even if size is zero.
5500 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5502 * pa.c (hppa_init_pic_save): New function.
5503 * pa.h (hppa_init_pic_save): Declare.
5504 * pa.md (call, call_value, sibcall, sibcall_value): Use
5505 the above instead of duplicated code.
5507 * pa.c (hppa_encode_label): Correct size of alloca buffer
5508 so we don't overrun it. Correct leading `*' case.
5509 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5510 need to handle `*@'.
5511 (FUNCTION_NAME_P): Likewise.
5513 2001-01-31 Richard Henderson <rth@redhat.com>
5515 * config.gcc (alpha-osf5): Use float-i128.h.
5517 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5518 * config/float-i32.h: Likewise.
5519 * config/float-i64.h: Likewise.
5520 * config/float-sh.h: Likewise.
5521 * config/float-sparc.h: Likewise.
5523 2001-01-31 DJ Delorie <dj@redhat.com>
5525 * expmed.c (extract_bit_field): allow non-integral modes if we
5526 want to extract a whole register from itself.
5528 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5530 * c-typeck.c (set_init_index): If first is equal to last, assume as
5531 if it was not a range at all.
5533 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5535 * config/fp-bit.c: Include tm.h.
5536 (float_to_si): Don't assume SImode is 32-bits wide.
5537 (float_to_usi): Likewise.
5539 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5541 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5543 (typename): Call pending_xref_error after parsing typed_typespecs.
5544 * c-decl.c (lookup_tag): Give error immediately rather than
5545 leaving it pending if the tag of the wrong type is in the same
5547 (xref_tag): Don't pedwarn for forward declarations of enum types
5549 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5552 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5554 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5556 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5558 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5559 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5561 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5563 * cpphash.h (struct cpp_reader): New saved_flags.
5564 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5565 to avoid a paste after a pasted token.
5567 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5569 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5570 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5571 Wtype_MIN instead of LONG_MIN.
5573 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5575 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5577 * fixinc/fixincl.x: Regenerated.
5578 * fixinc/inclhack.def (irix_limits_const): New definition to
5579 convert "const" to "__const" in limits.h.
5581 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5583 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5585 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5587 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5588 when register dies in the insn.
5590 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5592 * diagnostic.c (fatal): Fix word wrap.
5594 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5596 * combine.c (try_combine): Fix SUBREG setting for
5597 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5599 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5601 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5604 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5606 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5608 * toplev.c (decode_W_option): Update warn_larger_than
5609 unconditionally for each processed switch.
5611 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5613 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5615 (hppa_expand_prologue): Delete code to save pic offset table register
5616 in the function prologue.
5617 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5618 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5619 table register at the beginning of the function after the prologue.
5621 2001-01-29 lars brinkhoff <lars@nocrew.org>
5623 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5625 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5626 Jeff Law <law@redhat.com>
5628 * pa.md (return): Revise comment for trivial return.
5629 (return_internal): Non-trivial return pattern for non-PIC code.
5630 (return_internal_pic): Non-trivial return pattern for PIC code.
5631 It uses the PIC register to ensure it is restored after
5633 (epilogue): Generate appropriate return for PIC and non-PIC code.
5635 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5637 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5639 2001-01-29 DJ Delorie <dj@redhat.com>
5641 * combine.c (if_then_else_cond): Pass the correct mode to
5642 operand_subword() for constants.
5644 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5646 * config/i386/cygwin.h: Add w32api to include search. Search different
5647 directories in a cross-build environment.
5649 2001-11-29 Tim Josling <tej@melbpc.org.au>
5651 * tree.h (TYPE_STUB_DECL): Add documentation.
5653 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5655 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5656 (sdbout_field_types): Likwise. Fix use of host_integerp.
5658 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5660 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5663 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5665 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5666 to use flag_gnu_linker.
5668 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5670 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5671 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5673 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5675 * tree.c, tree.h (build_parse_node): Remove; was identical to
5677 * c-lang.c (start_cdtor), objc/objc-act.c
5678 (build_module_descriptor): Use build_nt instead of
5681 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5683 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5684 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5685 not have any upper bits set.
5687 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5689 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5691 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5693 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5695 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5697 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5698 (integer_minus_one_node): Define.
5700 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5702 * Makefile.in (bootstrap2-lean): Fix typo.
5704 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5706 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5707 : Don't set fe_value.
5708 * cpplib.h (AVOID_LPASTE): New flag.
5709 (struct cpp_hashnode): Remove fe_value.
5710 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5711 * cppmacro.c (builtin_macro): Don't set flags here.
5712 (replace_args): Set AVOID_LPASTE flag on first token of an
5713 argument, and the token following it.
5714 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5715 macro expansion, and on the token following it. Do it for
5717 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5719 2001-01-27 Richard Henderson <rth@redhat.com>
5721 * config/alpha/t-ieee: Remove multilibbing.
5722 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5724 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5726 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5728 * Makefile.in: Remove all dependencies on defaults.h.
5729 * builtins.c: Don't include defaults.h.
5730 * c-common.c: Likewise.
5731 * c-decl.c: Likewise.
5732 * c-pragma.c: Likewise.
5733 * c-typeck.c: Likewise.
5734 * combine.c: Likewise.
5736 * frame-ia64.c: Likewise.
5737 * cppexp.c: Likewise.
5738 * crtstuff.c: Likewise.
5739 * dbxout.c: Likewise.
5740 * dwarf2out.c: Likewise.
5741 * dwarfout.c: Likewise.
5742 * emit-rtl.c: Likewise.
5743 * except.c: Likewise.
5745 * final.c: Likewise.
5746 * frame-dwarf2.c: Likewise.
5747 * libgcc2.c: Likewise.
5748 * optabs.c: Likewise.
5749 * profile.c: Likewise.
5750 * sdbout.c: Likewise.
5751 * toplev.c: Likewise.
5752 * tradcif.y: Likewise.
5754 * varasm.c: Likewise.
5756 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5758 * builtins.c (expand_builtin_fputs): Use size_one_node when
5759 transforming into fwrite.
5761 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5763 * extend.texi (Attribute Syntax): New section.
5765 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5767 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5768 they didn't need fixing.
5770 2001-01-27 Janis Johnson <janis@us.ibm.com>
5772 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5774 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5775 to remove macro definitions that are duplicated from elfos.h.
5777 2001-01-27 Richard Henderson <rth@redhat.com>
5779 * config/i386/sco5gas.h: Move ...
5780 * config/usegas.h: ... here.
5781 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5783 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5785 * c-typeck.c (struct constructor_stack): Add range_stack member.
5786 (really_start_incremental_init): Clear it.
5787 (push_init_level): Save constructor_range_stack and clear it if
5788 pushing explicit braces.
5789 (pop_init_level): abort if constructor_range_stack is non-zero at
5790 explicit closing brace. Restore saved constructor_range_stack if
5793 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5795 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5796 into register was forced into memory.
5798 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5800 * Makefile.in: Remove uses of + before $(MAKE).
5802 2001-01-26 Richard Henderson <rth@redhat.com>
5804 * stmt.c (cost_table): Remove.
5805 (COST_TABLE, cost_table_initialized): New.
5806 (estimate_case_costs): Use the later instead of the former.
5807 (balance_case_nodes): Likewise.
5809 2001-01-26 Richard Henderson <rth@redhat.com>
5811 * alias.c (objects_must_conflict_p): Read-only slots may not
5812 conflict despite having the same type.
5814 2001-01-27 Michael Hayes <mhayes@redhat.com>
5816 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5818 (check_ext_dependant_givs): Initialise u_start_val and
5820 (load_mems): Make last_max_reg unsigned.
5821 (try_swap_copy_prop): Use INSN_P and initialise set.
5823 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5825 * README.AVR : Removed.
5827 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5829 * pa-64.h (text_section): Remove declaration.
5831 * pa.md (return_internal): Remove mode on PIC register use.
5833 2001-01-25 lars brinkhoff <lars@nocrew.org>
5835 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5836 ASM_CLOSE_PAREN): fix typos.
5838 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5840 * acconfig.h: Define `const' to the empty string if neither
5841 __STDC__ nor __cplusplus is defined.
5842 * config.in: Regenerated.
5844 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5846 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5847 * collect2.c (main): Delete importf. Add ".obj" file extension.
5848 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5849 (aix_std_libs): Add additional AIX libraries to skip.
5850 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5851 * config/rs6000/aix51.h: New file.
5853 2001-01-25 Michael Hayes <mhayes@redhat.com>
5855 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5856 (loop_insn_emit_before): No longer static.
5857 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5858 (loop_givs_rescan, load_mems): Likewise.
5859 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5860 (maybe_eliminate_biv_1):
5861 (move_movables): Replace emit_call_insn_before with
5862 loop_call_insn_hoist.
5863 * loop.h (loop_insn_emit_before): Add.
5864 * unroll.c (copy_loop_body): Replace emit_insn_before with
5865 loop_insn_emit_before.
5867 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5869 * diagnostic.c (fatal): Request preprocessed source.
5871 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5873 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5874 olddecl has argument types and newdecl has none, use the argument
5877 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5879 * dwarf2out.c (prefix_of): New function. Determine longest common
5880 prefix of the two arguments. The units are whole path components.
5881 (output_file_names): When adding a new directory find the one entry
5882 with the longest common prefix already in the list. Artificially
5883 generate entry if there is none for this prefix.
5884 Fix test to check whether the zeroth directory entry is used.
5886 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5888 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5889 Changed all callers. Take it into account when deciding if a
5890 previously loaded value matches.
5892 2001-01-24 Richard Henderson <rth@redhat.com>
5894 * reload.c (find_reloads_subreg_address): Fail the substitution
5895 if the resulting address is insufficiently aligned.
5897 2001-01-24 DJ Delorie <dj@redhat.com>
5899 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5900 check the original operand's mode also.
5901 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5903 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5905 * c-parse.in (cast_expr): Move compound literals from here ...
5906 (primary): ... to here. Use standard terminology "compound
5907 literal" instead of "constructor expression".
5909 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5911 * gcc.1, cpp.1: Regenerate.
5913 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5915 * calls.c (emit_library_call_value_1): Memory slot for
5916 pass-by-reference argument should have the mode of the argument,
5917 not of the pointer to it.
5919 2001-01-24 Tom Tromey <tromey@redhat.com>
5921 * gcc.texi (G++ and GCC): Mention gcj manual.
5922 (Standards): Link to section of manual mentioning gcj/Java
5925 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5927 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5928 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5929 * tradcpp.c (main): Add -imacros or -include'd dependencies
5931 * cpp.texi (-M, -MM): Document -M -include behaviour.
5933 2001-01-24 Roger Collins <roger@ProProject.com>
5935 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5937 2001-01-24 Will Cohen <wcohen@redhat.com>
5939 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5940 whether registers are 32 bits or 64 bits in size.
5942 2001-01-24 Ben Elliston <bje@redhat.com>
5944 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5946 2001-01-24 Richard Henderson <rth@redhat.com>
5948 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5949 (builtin_longjmp): Use it instead of emit_indirect_jump.
5951 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5953 * bb-reorder.c (make_reorder_chain_1): Handle case where
5954 jump edge goes to the same block as the fallthru edge.
5956 2001-01-23 Jim Wilson <wilson@redhat.com>
5958 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5959 * frame.h (__ia64_personality_v1): Add prototype.
5960 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5961 prototype form. Add void * cast to first argument to personality
5963 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5964 (asctoe113): Likewise.
5965 * config/ia64/frame-ia64.c: Include eh-common.h.
5966 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5968 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5970 (itanium_split_issue): Add prototype.
5971 (gen_nop_type): Ifdef out.
5972 (find_best_packet): Initialize best_packet.
5973 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5975 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5976 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5977 (flushrs): Add explicit stop bit at end.
5978 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5981 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5983 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5985 * libgcc2.c (__terminate_func): Make variable static.
5986 (__terminate_set_func): New function to set __terminate_func.
5987 * libgcc2.h (__terminate_func_ptr): New typedef.
5988 (__terminate_set_func): New function.
5990 2001-01-23 Richard Henderson <rth@redhat.com>
5992 * flow.c (init_propagate_block_info): Don't consider unchanging
5993 memories for dead frame store elimination.
5995 2001-01-23 Richard Henderson <rth@redhat.com>
5997 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5998 * defaults.h: ... here.
6000 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6002 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6004 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6006 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6008 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6010 * rs6000.h (rs6000_return_addr): Move prototype from here...
6011 * rs6000-protos.h (rs6000_return_addr): ...to here.
6012 (rs6000_init_expanders): Delete prototype.
6014 2001-01-23 Nick Clifton <nickc@redhat.com>
6016 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6017 (Spec Files): Document %B and %j and %. and %v3 and %M and
6018 %{S*&T} spec switches.
6020 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6022 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6024 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6025 Neil Booth <neil@daikokuya.demon.co.uk>
6027 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6028 Have -Werror make pedantic warnings errors, like the
6031 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6033 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6035 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6037 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6038 * integrate.c (expand_inline_function): Initialize them.
6039 (subst_constants): If changing COMPARE so that both its arguments
6040 will be VOIDmode and the comparison mode will be lost, note
6041 compare_mode. Use the recorded compare_mode to optimize
6044 2001-01-23 Jason Merrill <jason@redhat.com>
6046 * dwarf2out.c (new_die): Use xcalloc.
6047 (output_die): Abort rather than emit a local reference to offset 0.
6049 2001-01-17 Andrew Haley <aph@redhat.com>
6051 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6052 of a saved register; return NULL instead.
6053 (copy_reg): Take a pointer to a source register rather than a
6055 (next_stack_level): Remember the address in the stack frame of all
6057 Use the saved register pointer array as the source of the CFA.
6058 (throw_helper): Rewrite. Unwind once rather than twice and keep
6059 track of saved registers as we go.
6061 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6063 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6064 * c4x.c (c4x_legitimize_reload_address): Remove.
6065 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6066 reload address for ldp(k) insn.
6068 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6070 * pa.md (return_internal): Add a USE of the PIC register to ensure
6071 it is restored after each call.
6072 (return expander): Corresponding changes.
6074 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6076 * rs6000.h (INIT_EXPANDERS): Delete.
6077 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6078 * rs6000.c (rs6000_override_options): Call *_machine_status from
6080 (rs6000_init_expanders): ...instead of here. Delete.
6081 (rs6000_mark_machine_status): New function.
6082 (rs6000_init_machine_status): Use xcalloc.
6083 (rs6000_return_addr): Generate RTX for the return address.
6084 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6085 (rs6000_stack_info): Use it.
6087 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6089 * gthr-win32.h: Include errno.h to get a declaration for
6090 EINVAL and _mingw.h if the target is mingw32.
6092 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6094 * cpp.texi: Correct typos.
6096 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6098 * explow.c (probe_stack_range): Ensure value passed to
6099 stack_check_libfunc is ptr_mode, not Pmode.
6101 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6103 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6104 case, don't use operand_subword to calculate a SUBREG that is
6107 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6109 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6111 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6112 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6113 valid. If not replace it by equivalent insns.
6115 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6117 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6118 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6119 (c4x_U_constraint, symbolic_address_operand): Likewise.
6120 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6122 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6123 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6124 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6125 anulling slot because of silicon bug.
6126 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6128 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6130 * cppexp.c (parse_charconst): Change `mask' type to agree
6133 2001-01-21 Richard Henderson <rth@redhat.com>
6135 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6136 pic_label_name in a linkonce section.
6138 2001-01-17 Philipp Thomas <pthomas@suse.de>
6140 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6142 * configure: Regenerate.
6144 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6146 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6147 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6149 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6151 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6152 If REVERSE nonzero then condition code in X must be reversed.
6153 (encode_section_info): Optimise if/else.
6154 (avr_function_value): Fix formatting.
6156 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6157 (difficult_branch): Likewise.
6158 (rvbranch): Likewise.
6159 (difficult_rvbranch): Likewise.
6161 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6163 * config/avr/libgcc.S: Fix comment.
6165 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6167 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6169 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6171 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6173 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6175 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6176 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6177 * configure, config.in: Regenerate.
6178 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6179 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6180 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6181 (doprint.o): New rule.
6183 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6185 * c-typeck.c (digest_init): Handle boolean types as scalars.
6187 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6189 * stmt.c (expand_return): Don't return anything if size is zero.
6190 Delete redundant assignment to BYTES.
6191 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6193 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6195 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6196 the same as the default library function names.
6197 * config/avr/avr.md: Document special characters after '%'.
6198 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6199 knowing which of the call-used registers are really clobbered.
6200 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6201 New. Both quotient and remainder from one libgcc.S call.
6202 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6203 clobber as few registers as possible.
6204 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6206 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6208 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6209 context of the top of the stack.
6211 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6213 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6214 (fixup_var_refs_insns): ...here.
6216 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6218 * function.c (fixup_var_refs_insns): Break up into
6219 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6220 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6221 [loop over hash table entries].
6222 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6223 fixup_var_refs_insns_with_hash, to match above changes.
6225 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6227 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6228 (libgcc.a): Likewise.
6229 (stmp-multilib): Likewise.
6230 (STAGE2_FLAGS_TO_PASS): Likewise.
6232 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6234 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6235 temporary if no_new_pseudos.
6237 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6239 * cppinternals.texi: Update.
6241 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6243 * arm.c (arm_init_builtins): Re-enable builtins.
6245 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6247 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6248 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6249 element to be null, and always expect an EXPR_LIST.
6250 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6251 * sched-deps.c (sched_analyze_1): Likewise.
6252 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6254 * regclass.c (max_set_parallel): New variable.
6255 (reg_scan): Take it into account in computation of max_parallel.
6256 (reg_scan_mark_refs, case SET): Compute it.
6258 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6260 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6261 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6263 2001-01-19 Jason Merrill <jason@redhat.com>
6265 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6266 for the abstract instance of an inline function.
6268 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6269 J"orn Rennecke <amylaar@redhat.com>
6271 * reload1.c (move2add_note_store): Treat all registers directly or
6272 indirectly derived from a base register as members of the same set
6274 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6275 of base register into account.
6277 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6279 * alias.c (find_base_value): Recognize TRUNCATE.
6280 (record_set): In PLUS case, invalidate if other summand is also a
6283 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6285 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6286 entry to be EXPR_LIST.
6287 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6288 be an EXPR_LIST (but not null, which other code doesn't allow).
6289 (note_stores): Properly handle PARALLEL in SET.
6290 Recursively call for top-level PARALLEL.
6291 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6292 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6294 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6296 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6298 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6299 not pfile->skipping (== 0).
6301 2001-01-17 Nick Clifton <nickc@redhat.com>
6303 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6306 2001-01-17 Jim Wilson <wilson@redhat.com>
6308 * invoke.texi (IA-64 options): Improve.
6310 2001-01-17 Tom Tromey <tromey@redhat.com>
6312 * invoke.texi (Optimize Options): Use `{}' to around @samp
6315 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6317 * invoke.texi (-fno-guess-branch-probability): New option.
6319 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6321 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6322 case of making new double-word constant.
6323 Revert last change: instead just test i3_subst_into_i2.
6325 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6327 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6328 Use q constraints instead of r.
6330 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6332 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6333 (machine_function): Define.
6334 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6335 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6336 pa_free_machine_status): New functions.
6337 (override_options): Set {init,mark,free}_machine_status to above.
6338 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6339 PIC_OFFSET_TABLE_REGNUM_SAVED.
6340 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6341 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6342 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6343 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6344 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6346 2001-01-15 DJ Delorie <dj@redhat.com>
6348 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6352 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6354 * flow.c (propagate_on_insn): Make trying to delete a prologue
6355 or epilogue insn an ICE, not a warning. Allow doing this if
6356 the current function returns with stack pointer depressed.
6358 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6359 I3 having more than one SET.
6361 2001-01-16 Jim Wilson <wilson@redhat.com>
6363 * invoke.texi: Document IA-64 options.
6365 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6366 (fixup_errata): Delete TARGET_A_STEP use.
6367 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6368 (TARGET_SWITCHES): Delete -ma-step option.
6369 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6370 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6371 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6372 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6373 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6374 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6376 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6377 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6378 cmovsi_internal): Delete ! TARGET_A_STEP check.
6380 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6382 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6383 possibility to report bugs via postal mail. Change a URL and
6384 merge in a nearly duplicate statement...
6385 (Bug Reporting): ...from here.
6386 (Service): Refer to the Bug Reporting section instead of
6388 (Contributing): Remove trivial explanations concerning snapshots.
6390 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6392 * cppmain.c (general_init): Don't use ANSI prototype.
6394 2001-01-16 Tom Tromey <tromey@redhat.com>
6396 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6398 2001-01-16 Richard Henderson <rth@redhat.com>
6400 * config/i386/i386.h: Fix comment typo.
6401 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6402 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6404 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6406 * gcc.c: Revert previous -fsyntax-only-related change; move
6409 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6411 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6412 inmode after checking GET_CODE (op).
6414 2001-01-16 Richard Henderson <rth@redhat.com>
6416 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6417 (MAX_MEM_SET_LIST_LEN): New.
6418 (propagate_one_insn): Update mem_set_list_len.
6419 (invalidate_mems_from_autoinc): Likewise.
6420 (invalidate_mems_from_set): Likewise.
6421 (mark_used_regs): Likewise.
6422 (init_propagate_block_info): Likewise. Stop collecting memories
6423 when we reach MAX_MEM_SET_LIST_LEN.
6424 (mark_set_1): Likewise.
6426 2001-01-16 Richard Henderson <rth@redhat.com>
6428 * unroll.c (precondition_loop_p): Fail if no iteration
6431 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6433 * gcc.c: When -fsyntax-only is given, do not complain about
6436 2001-01-15 Richard Henderson <rth@redhat.com>
6438 * config/i386/i386.c (asm_output_function_prefix): Remove.
6439 (ix86_asm_file_end): New.
6440 (load_pic_register): Generate pic_label_name into a
6441 staticly allocated buffer.
6442 * config/i386/i386-protos.h: Update.
6443 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6444 (ASM_FILE_END): New.
6445 * config/i386/i386afe.h: New file.
6446 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6447 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6448 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6449 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6450 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6451 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6452 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6454 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6456 * Makefile.in (install-man): Remove explicit dependency on
6459 * configure.in, configure: Revert previous patch requiring perl
6462 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6464 * toplev.c (flag_guess_branch_prob): New.
6465 (f_options): Add guess-branch-probability option.
6466 (rest_of_decl_compilation): Only estimate branch probability if
6468 (main): set flag_guess_branch_prob.
6470 * flags.h (flag_guess_branch_prob): New.
6472 2001-01-15 DJ Delorie <dj@redhat.com>
6474 * gcc.texi (Makefile): Add documentation for Makefile targets.
6476 2001-01-15 Philip Blundell <philb@gnu.org>
6478 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6480 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6481 (is_pic): Delete declaration.
6482 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6483 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6484 * config/arm/arm.md (builtin_setjmp_receiver): New.
6486 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6488 * arm.c (use_return_insn): Don't try to determine the function type
6489 until after reload has completed.
6490 (arm_output_epilogue): Don't adjust the sp value recovered from the
6492 (emit_multi_reg_push): Don't record dwarf information for the pc.
6493 * arm.md (eh_epilogue): The function type may have changed, so it
6494 needs to be recalculated.
6495 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6496 unwind tables on arm/netbsd.
6498 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6500 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6501 (negated_cbranchsi4): Likewise.
6503 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6505 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6506 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6507 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6508 pass -mapcs-* options to assembler.
6509 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6510 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6511 (ASM_SPEC): Call subtarget_extra_asm_spec.
6513 2001-01-15 Andreas Jaeger <aj@suse.de>
6515 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6517 (ix86_expand_builtin): Likewise.
6519 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6520 warning about comparison between signed and unsigned.
6522 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6524 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6526 2001-01-14 Ralf Baechle <ralf@gnu.org>
6528 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6529 SUBTARGET_CPP_SPEC apropriatly.
6531 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6533 * varasm.c (make_decl_rtl): Fix typo in last change.
6535 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6537 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6538 linker supports the init_priority C++ attribute.
6539 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6540 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6541 linker does not support init_priority C++ attribute.
6543 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6545 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6547 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6549 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6550 * cp/lex.c (finish_parse): Similarly.
6551 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6552 Return the number of errors encountered.
6553 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6554 * cppmain.c (main): Don't call cpp_destroy.
6556 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6558 * configure.in: Require at least perl 5.6.0 to regenerate
6560 * configure: Regenerate.
6562 2001-01-14 Richard Henderson <rth@redhat.com>
6564 * genrecog.c (DT_veclen_ge): New.
6565 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6566 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6567 (nodes_identical_1): Handle DT_veclen_ge.
6568 (write_cond, debug_decision_2): Likewise.
6570 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6572 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6574 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6576 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6578 * cppmain.c (do_preprocessing): New function; most of the old
6580 (main): Call it to do most of the work.
6581 (cb): Move from global scope to set_callbacks ().
6582 (setup_callbacks): Get the callback pointer.
6583 (general_init, printer_init): Clean up code and comments.
6585 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6587 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6590 2001-01-14 Kazu Hirata <kazu@hxi.com>
6592 * config/h8300/h8300.c (get_shift_alg): Update comments.
6594 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6596 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6597 (alloc_page, ggc_alloc): Add casts to remove warnings.
6599 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6601 * combine.c (simplify_comparison): Don't change `code' when
6602 can't reverse comparison.
6604 2001-01-14 Richard Henderson <rth@redhat.com>
6606 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6607 update all call sites. Return true for all non-label constants.
6609 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6611 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6613 (ix86_expand_branch): Update.
6614 (ix86_expand_setcc): Update to handle multiple test conditions.
6615 (expand_int_movcc): Likewise.
6616 (expand_fp_movcc): Likewise.
6617 * i386-protos.h (ix86_expand_compare): New.
6618 * i386.md (andqi_?_slp, orqi_?_slp): New.
6619 (conditional trap expander): Update call to ix86_expand_compare.
6621 2001-01-14 Richard Henderson <rth@redhat.com>
6623 * config/vax/vax.md: Use nonimmediate_operand instead of
6624 general_operand in destinations.
6626 * config/vax/vax.md (indirect_jump): Use register_operand.
6628 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6629 * config/vax/vax.md (call_pop): Turn into an expander.
6630 (call_value_pop): Likewise.
6631 (call, call_value): New.
6633 2001-01-14 Andreas Jaeger <aj@suse.de>
6635 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6637 (ix86_fp_compare_mode): Add unused attribute.
6638 (ix86_expand_fp_movcc): Remove unused variable.
6639 (ix86_expand_builtin): Make fcode unsigned.
6641 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6642 (expand_expr): Add cast to avoid signed warning.
6643 (store_field): Likewise.
6644 (store_constructor_field): Likewise.
6645 (store_constructor): Likewise.
6646 (store_expr): Likewise.
6647 (clear_storage): Likewise.
6648 (emit_group_store): Likewise.
6649 (emit_group_load): Likewise.
6651 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6653 * c-common.c: Move format checking code to ...
6654 * c-format.c: ... here. New file. Reorder some functions and
6656 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6658 * c-common.h (decl_handle_format_attribute,
6659 decl_handle_format_arg_attribute): Declare.
6660 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6661 (c-common.o): Adjust dependencies.
6662 (c-format.o): New list of dependencies.
6664 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6666 * unroll.c (loop_iterations): If we cannot prove iteration variable
6667 is set once in each iteration, punt.
6669 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6671 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6672 (*strlenhi): Remove clobber (which was buggy) of output address.
6674 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6676 * Makefile.in (generated-manpages): Add gcc.1
6677 ($(srcdir)/gcc.1): New target.
6678 (maintainer-clean): Delete $(srcdir)/gcc.1.
6679 * gcc.texi: Add macros @gccoptlist and @gol.
6680 * invoke.texi: Include option summary in manpage. Mark up option
6681 summary with @gccoptlist and @gol. Use @r in one place where
6683 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6684 * gcc.1: Generate from invoke.texi.
6686 2001-01-13 Richard Henderson <rth@redhat.com>
6688 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6689 (struct page_entry): Add group member.
6690 (struct page_group): New.
6691 (struct globals): Add page_groups member.
6692 (alloc_anon): Only define for using mmap; remove valloc call.
6693 (page_group_index): New.
6694 (set_page_group_in_use): New.
6695 (clear_page_group_in_use): New.
6696 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6697 (free_page, release_pages): Likewise.
6698 * configure.in (with-gc): Default to ggc-page always.
6700 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6702 * reload1.c (replace_pseudos_in_call_usage): Use
6703 reg_equiv_constant and reg_equiv_address, and don't try
6704 regno_reg_rtx first.
6706 2001-01-13 Richard Henderson <rth@redhat.com>
6708 * ggc-page.c (alloc_page): Round up allocation size to one page.
6709 Set e->order on extra pages.
6711 2001-01-13 Richard Henderson <rth@redhat.com>
6713 * genrecog.c (nodes_identical): Expand commentary.
6714 (write_switch): Watch out for identical nodes.
6716 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6718 * cppfiles.c (_cpp_fake_include): New function.
6719 * cpphash.h (_cpp_fake_include): New.
6720 * cpplib.c (do_line): Call _cpp_fake_include when entering
6721 header files in preprocessed input.
6722 * cppmain.c (cb_pragma_implementation): Remove handling.
6723 (setup_callbacks): Don't register pragmas.
6725 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6727 * extend.texi: Udate for CPP.
6729 2001-01-13 Andreas Jaeger <aj@suse.de>
6731 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6733 * regmove.c: Add prototype for replace_in_call_usage.
6735 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6738 struct cpp_chunk, struct htab, struct toklist,
6739 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6740 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6741 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6742 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6743 (struct macro_args): Delete.
6744 * cpphash.h: See above.
6746 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6748 * cppmain.c (struct printer): Remove no_line_dirs.
6750 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6751 : Use options rather than CPP_OPTION.
6752 (setup_callbacks): Use cb rather than pfile->cb.
6753 (main): No need to check for a buffer. Use cpp_errors.
6754 (printer_init): Don't set no_line_dirs.
6755 (maybe_print_line): Use options not no_line_dirs.
6756 (cb_file_change): Don't call print_line if -P.
6758 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6760 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6762 * c-parse.in (finish_parse): Use cpp_errors.
6763 (__yylex): Use return value of cpp_pop_buffer.
6764 * cp/lex.c (finish_parse): Use cpp_errors.
6765 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6767 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6769 * README.AVR: URLs corrected.
6771 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6773 * c-decl.c (start_function): Don't warn if old prototype is builtin
6774 that's not in C's namespace.
6775 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6776 (_bb): Add prototype for ctime.
6777 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6779 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6781 * i386.c (ix86_fp_comparison_arithmetics_cost,
6782 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6783 ix86_fp_comparison_cost): New functions.
6784 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6785 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6786 two-branch sequences; make static.
6787 (ix86_use_fcomi_compare): Do decision according to the costs.
6788 (split_fp_branch): New.
6789 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6790 * i386-protos.h (ix86_expand_fp_compare): Remove
6791 (ix86_split_fp_branch): Declare.
6793 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6794 and ix86_comparison_operator.
6796 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6799 * i386.c (put_condition_code): Output properly the unordered/ordered
6800 compares in fp case.
6801 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6803 * tm.texi (REVERSE_CONDITION): Document.
6804 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6805 in -ffast-math mode.
6806 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6808 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6810 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6812 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6815 * config/sh/sh.c (mova_p): Fix test for mova_const.
6817 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6819 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6820 cpp_get_options rather than dereferencing pfile and using
6822 * scan-decls.c (scan_decls): Use return value of
6823 cpp_pop_buffer rather than CPP_BUFFER.
6825 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6827 * cppinit.c (cpp_handle_option): help_only is now part of the
6828 cpp_options structure.
6829 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6830 cpp_set_callbacks): New functions.
6831 * cpplib.h (cpp_callbacks): Break out as a named structure.
6832 (cpp_options): Move help_only here from cpp_reader.
6833 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6834 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6835 cpp_set_callbacks): New prototypes.
6836 * cppmain.c (main): Update for help_only.
6838 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6840 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6841 Also build and remove and install and uninstall c-tree.info and
6843 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6844 ($(srcdir)/cppinternals.info): New target.
6845 * c-tree.texi: Change file name used when makeinfo used without -o
6846 from ir.info to c-tree.info. Add info directory entry.
6847 * cppinternals.texi: Add info directory entry.
6848 * .cvsignore: Update.
6850 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6852 * c-typeck.c (store_init_value): Don't require constant initializer
6853 elements with -pedantic -std=c99.
6854 (digest_init): Change error about non-constant initializer elements
6856 (constructor_range_end): Remove.
6857 (constructor_incremental, designator_depth,
6858 designator_errorneous): New variables.
6859 (struct constructor_stack): Remove range_end, add incremental.
6860 (struct constructor_range_stack, constructor_range_stack): New.
6861 (struct initializer_stack): Add constructor_range_stack.
6862 (finish_init): Set it.
6863 (start_init): Likewise. require_constant_elements for non-static
6864 trees only if not flag_isoc99.
6865 (really_start_incremental_init): Remove constructor_range_end, add
6866 constructor_incremental.
6867 (pop_init_level): Likewise.
6868 (push_init_level): Likewise. If implicit and the subobject had some
6869 value set already, preinitialize the level with it.
6870 Warn about missing braces only if not pushing due to designators.
6871 (set_designator, push_range_stack): New functions.
6872 (set_init_label): Use them.
6873 (set_init_index): Likewise. Remove constructor_range_end.
6874 Error if designator index is outside of array bounds.
6875 (add_pending_init): Compare values of purpose index trees, not the
6876 trees themselves. Allow overwriting of already initialized element.
6877 Issue a warning if it had side-effects.
6878 (set_nonincremental_init, set_nonincremental_init_from_string): New
6880 (pending_init_member): Rename to...
6881 (find_init_member): ...this function. Call set_nonincremental_init
6882 if necessary. Compare values of purpose index trees, not the trees
6883 themselves. Return the actual value, not just non-zero if something
6885 (output_init_element): Remove checks for duplicates.
6886 If field has zero size, only check the initializer for correctness.
6887 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6888 if constructor_incremental is zero. Change error about initializers
6889 not computable at load time into pedwarn.
6890 (output_pending_init_elements): Compare bit positions, not
6891 FIELD_DECLs to take into account zero-sized fields.
6892 (process_init_element): Use constructor_range_stack to fill all
6893 ranges in the designator lists from current level up.
6894 * extend.texi: Update documentation for labeled elements.
6896 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6898 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6899 to function usage for arguments passed by reference. Optimize
6900 callee-copied arguments.
6901 * regmove.c (replace_in_call_usage): New function.
6902 (fixup_match_1): Call it.
6903 * cse.c (cse_insn): Canonicalize registers in function usage.
6904 * reload1.c (replace_pseudos_in_call_usage): New function.
6907 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6910 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6912 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6915 2001-01-12 DJ Delorie <dj@redhat.com>
6917 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6918 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6921 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6923 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6924 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6925 -std options alongside references to -ansi. Update some
6926 documentation for C99.
6927 * cpp.1: Regenerate.
6929 2001-01-12 Andreas Jaeger <aj@suse.de>
6931 * haifa-sched.c (restore_line_notes): Remove argument block B
6933 * sched-ebb.c (schedule_ebb): Change caller.
6934 * sched-rgn.c (schedule_region): Likewise.
6935 * sched-int.h (restore_line_notes): Adjust prototype.
6937 * loop.h: Remove wrong declaration of doloop_condition_get.
6939 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6941 * extend.texi: Move C++-extension-related node from the C section
6942 into the C++ section.
6944 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6946 * extend.texi: Refer to an array of pointers to functions instead
6947 of one of functions.
6949 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6950 Jan Hubicka <jh@suse.cz>
6952 * combine.c (reversed_comparison): Fix typo in last patch.
6954 (combine_reversed_comparison_code): Make static to follow
6955 prototype declaration.
6957 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6959 * install.texi: Remove misplaced duplicate entry.
6961 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6963 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6965 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6967 * final.c: (leaf_function_p): Fix typo.
6969 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6971 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6972 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6974 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6975 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6976 mmap_anon, and valloc is available.
6977 * ggc-page.c: Restructure ifdef logic to match new autoconf
6978 spec. Don't throw away the test page in init_ggc.
6980 * configure, config.in: Regenerate.
6982 2001-01-12 Michael Hayes <mhayes@redhat.com>
6984 * loop.h (total_biv_increment): Constify iv_class pointer.
6985 (struct induction): Replace `mem_mode' with `mem' rtx.
6986 * unroll.c (total_biv_increment): Constify iv_class pointer.
6987 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6988 (find_mem_givs, combine_givs_p): Likewise.
6989 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6991 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6993 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6995 (__gthread_getspecific): Ditto.
6997 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6999 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7000 put_condition_code): Convert fp comparison codes to integer
7002 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7005 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7006 * i386-protos.h (no_comparison_operator): Kill.
7008 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7010 * combine.c (REVERSIBLE_CC_MODE): Remove.
7011 (reversible_comparison_p): Remove.
7012 (combine_reversed_comparison_code): New.
7013 (reversed_comparison): New.
7014 (combine_simplify_rtx): Use
7015 combine_reversed_comparison_code/reversed_comparison instead
7016 of reversible_comparison_p.
7017 (simplify_if_then_else): Likewise.
7018 (simplify_set): Likewise.
7019 (simplify_logical): Likewise.
7020 (if_then_else_cond): Likewise.
7021 (known_cond): Likewise.
7022 (simplify_comparison): Likewise.
7024 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7026 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7027 sizeof (int) is larger than sizeof(__word__).
7029 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7031 * cppinit.c (do_includes): Fix typo.
7033 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7035 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7036 in S_REGS does not occur because not all sources are possible
7037 when a S_REGS is a destination (sometimes needs a clobber).
7038 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7039 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7040 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7041 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7042 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7043 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7044 (lshrdi_const1, lshrsi3_const16): Likewise.
7045 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7046 (*movhi_68hc12, *movqi_68hc12): Likewise.
7047 (movstrictqi): Make sure reloading in D_REGS as a destination
7050 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7052 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7054 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7056 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7057 -D, -U and -A, and don't initialize the builtins.
7058 (do_includes): Error if -include or -imacros with -fpreprocessed.
7059 * cppmain.c (cb_define, cb_undef): Unconditionally process
7061 * tradcpp.c (main): Fix typo.
7063 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7065 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7066 (read_name_map): Use IS_ABSOLUTE_PATH.
7067 * tradcpp.c (get_filename): Likewise.
7069 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7071 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7072 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7073 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7074 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7075 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7076 (cmphi_z_used): Don't use '@' for the output.
7077 (tstqi_z_used): Likewise.
7078 (cmpqi_z_used): Likewise.
7079 (one_cmplsi2): Likewise.
7081 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7083 * config/sh/sh.c (barrier_align): Recognize branch around far
7084 branch and redundant insn.
7086 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7088 * invoke.texi: Restore documentation of the drivers' switches -MD
7091 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7093 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7095 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7096 check-objc//%): Support parallel testing of multilibs.
7097 (TESTSUITEDIR): Set to testsuite by default, but override for
7099 (check-gcc, check-g++, check-g77, check-objc): Enter
7102 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7104 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7105 * sched-deps.c (deps_may_trap_p): Likewise.
7106 * basic-block.h: Remove a comment.
7107 * flow.c (PROP_POSTRELOAD): Remove.
7108 (update_life_info): Don't add it to prop_flags.
7109 (mark_set_1): Lose the code that was enabled by it.
7111 2001-01-11 Michael Hayes <mhayes@redhat.com>
7113 * flow.c (flow_call_edges_add): New.
7114 * basic_block.h (flow_call_edges_add): New.
7116 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7118 * reload1.c (move2add_note_store): Update reg_set_luid even if
7119 base reg remains the same.
7121 2001-01-10 Nick Clifton <nickc@redhat.com>
7123 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7124 machine_function structure to zero.
7125 Add prototypes for machine_status functions.
7127 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7129 * c-common.h (CTI_VOID_LIST): Remove.
7130 (void_list_node): Likewise.
7131 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7132 (void_list_node): New macro.
7133 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7134 * config/i386/i386.c (ix86_init_builtins): Likewise.
7135 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7137 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7139 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7140 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7142 * tradcpp.c: Include mkdeps.h.
7143 (deps, print_deps_phony_targets, deps_append, output_deps,
7144 init_dependency_output, output_deps): New.
7145 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7146 deps_output): Delete.
7147 (print_deps_missing_files): Rename deps_missing_files.
7148 (inhibit_output): Make global.
7149 (main): Delete inhibit_output, deps_stream, deps_target.
7150 Use mkdeps functionality in the same way as cpplib. Remove
7151 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7152 -M and -MM. Remove old handling of deps via deps_out, and
7153 old reading of environment variables.
7154 (get_filename): Update to use deps_add_dep.
7156 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7158 * output.h (make_function_rtl): Remove prototype.
7159 (make_decl_rtl): Likewise.
7160 * varasm.c (make_function_rtl): Remove.
7161 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7162 than from a third parameter.
7163 * tree.h (make_decl_rtl): Remove last parameter.
7164 * c-decl.c (builtin_function): Remove last argument in call to
7165 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7166 (start_function): Likewise.
7167 * except.c (call_get_eh_context): Likewise.
7168 * expr.c (emit_block_move): Likewise.
7169 (clear_storage): Likewise.
7170 * profile.c (output_func_start_profiler): Likewise.
7171 * toplev.c (rest_of_decl_compilation): Likewise.
7172 * objc/objc-act.c (create_builtin_decl): Likewise.
7173 (synth_module_prologue): Likewise.
7174 (generate_static_reference): Likewise.
7175 (build_selector_reference_decl): Likewise.
7176 (build_class_reference_decl): Likewise.
7177 (build_objc_string_decl): Likewise.
7178 (build_protocol_reference): Likewise.
7180 2001-01-10 Richard Henderson <rth@redhat.com>
7182 * hwint.h: Revert yesterday's change.
7184 2001-01-10 Nick Clifton <nickc@redhat.com>
7186 * function.h (save_machine_status): Delete.
7187 (restore_machine_status): Delete.
7188 Amend comment describing {init|mark|free}_machine_status.
7190 * function.c (save_machine_status): Delete.
7191 (restore_machine_status): Delete.
7192 Amend comment describing {init|mark|free}_machine_status.
7193 (push_function_context_to): Remove invocation of
7194 save_machine_status.
7195 (pop_function_context_from): Remove invocation of
7196 restore_machine_status.
7198 * emit-rtl.c (init_emit_once): Amend comment describing
7199 {init|mark|free}_machine_status.
7201 * tm.texi (Per-Function Data): New node. Describe the
7202 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7205 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7207 * cppinit.c (OPT_g): Remove.
7208 (cpp_handle_option): Update for removed -g3.
7209 (print_help): Update.
7210 * cpplib.h (struct cpp_options): Remove debug_output.
7211 * cppmain.c (setup_callbacks, cb_define): Update.
7212 * gcc.c (cpp_options): Translate -g3 to -dD.
7214 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7216 * config/i960/i960.md: Change modifier to + on the zero_extract
7217 pattern after the (rotate -2 reg) canonicalization pattern.
7219 2001-01-10 Richard Henderson <rth@redhat.com>
7221 * config/alpha/alpha.c (alpha_free_machine_status): New.
7222 (override_options): Install it.
7223 (alpha_mark_machine_status): Verify machine non-null.
7224 * config/i386/i386.c (ix86_free_machine_status): New.
7225 (override_options): Install it.
7226 (ix86_init_machine_status): Use xcalloc.
7227 (ix86_mark_machine_status): Verify machine non-null.
7228 * config/ia64/ia64.c (ia64_free_machine_status): New.
7229 (ia64_override_options): Install it.
7230 (ia64_mark_machine_status): Verify machine non-null.
7232 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7234 * function.c (instantiate_virtual_regs): Instantiate virtual
7235 registers found in CALL_INSN_FUNCTION_USAGE.
7237 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7239 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7240 equivalent to -ansi in disabling -Di386.
7242 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7244 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7246 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7248 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7250 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7252 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7254 * invoke.texi: Document that -fcond-mismatch isn't supported for
7257 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7259 * gcc.texi: Define macro gcctabopt.
7260 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7261 @command, @env and @option in some places where appropriate. Use
7262 @gcctabopt where appropriate. Put URLs and email addresses inside
7265 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7267 * gcc.c (cpp_options): Set MD file name from output
7268 filename, if specified.
7269 (suffix_subst): New static variable.
7270 (do_spec): Clear it.
7271 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7273 (give_switch): Handle suffix_subst.
7275 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7277 * invoke.texi: Fix another typo.
7279 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7281 * invoke.texi: Fix typo.
7283 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7285 * c-lang.c (lang_hooks): Update.
7286 (lang_decode_option): Remove.
7287 (lang_init_options): Rename c_init_options.
7288 * toplev.c (main): Use lang_hooks for lang_init_options
7289 and lang_decode_option.
7290 * toplev.h (lang_hooks): Add 2 new hooks.
7291 * tree.h: Remove lang_init_options and lang_decode_option.
7292 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7293 * cp/decl2.c: Similarly.
7294 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7295 (lang_hooks): Update.
7296 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7298 (lang_init_options): Rename ffe_init_options.
7299 (lang_hooks): Update.
7300 (lang_decode_option): Remove.
7301 * java/lang.c (lang_init_options): Rename java_init_options.
7302 (lang_decode_option): Rename java_decode_option.
7303 (lang_hooks): Update.
7304 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7305 (lang_decode_option): Rename objc_decode_option.
7306 (lang_hooks): Update.
7308 2001-01-09 Nick Clifton <nickc@redhat.com>
7310 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7311 (d30v_return_addr_rtx): Delete.
7312 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7313 cfun->machine structure.
7314 (struct machine_function): Move to d30v.h
7315 (d30v_save_machine_status): Delete.
7316 (d30v_restore_machine_status): Delete.
7317 (d30v_init_machine_status): New Function.
7318 (d30v_mark_machine_status): New Function.
7319 (d30v_free_machine_status): New Function.
7320 (d30v_init_expanders): Use new functions.
7321 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7322 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7323 d30v_return_addr_rtx.
7325 * config/d30v/d30v.h (struct_machine): Move here.
7326 Add eh_epilogue_sp_ofs field.
7328 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7329 field in cfun->machine structure.
7331 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7333 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7334 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7335 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7337 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7339 * objc/lang-options.h: Remove bogus reference to
7342 2001-01-09 Kazu Hirata <kazu@hxi.com>
7344 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7347 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7349 * reload.c (find_reloads_address): Check for eliminable registers
7350 when substituting a constant expression for a pseudo.
7352 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7354 * c-common.c (enum format_type): Add format_type_error.
7355 (decode_format_type): New function.
7356 (decl_attributes): Use it.
7357 (format_kind_info): Adjust comment.
7359 2001-01-09 David O'Brien <obrien@BSDi.com>
7361 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7362 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7364 * config/i386/gnu.h: Don't include required platform specific .h files,
7365 tm.h will do it instead.
7366 * config/i386/i386elf.h: Likewise.
7367 * config/i386/linux.h: Likewise.
7368 * config/i386/moss.h: Likewise.
7369 * config/mips/gnu.h: Likewise.
7371 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7373 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7374 (rs6000-ibm-aix3.[01]*): Likewise.
7375 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7376 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7377 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7378 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7379 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7380 (powerpc-*-eabiaix*): Likewise.
7381 (powerpc-*-eabisim*): Likewise.
7382 (powerpc-*-elf*): Likewise.
7383 (powerpc-*-eabi*): Likewise.
7384 (powerpc-*-rtems*): Likewise.
7385 (powerpc-*-linux*libc1): Likewise.
7386 (powerpc-*-linux*): Likewise.
7387 (powerpc-wrs-vxworks*): Likewise.
7388 (powerpcle-wrs-vxworks*): Likewise.
7389 (powerpcle-*-sysv*): Likewise.
7390 (powerpcle-*-elf*): Likewise.
7391 (powerpcle-*-eabisim*): Likewise.
7392 (powerpcle-*-eabi*): Likewise.
7393 (powerpcle-*-solaris2*): Likewise.
7394 * config/rs6000/aix31.h: Delete includes.
7395 * config/rs6000/aix3newas.h: Likewise.
7396 * config/rs6000/aix41.h: Likewise.
7397 * config/rs6000/aix43.h: Likewise.
7398 * config/rs6000/beos.h: Likewise.
7399 * config/rs6000/rtems.h: Likewise.
7400 * config/rs6000/sysv4.h: Likewise.
7402 2001-01-09 Kazu Hirata <kazu@hxi.com>
7404 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7405 Change an argument mode of machine_mode to shift_mode of
7406 shift_mode. Remove an extra error check.
7407 (emit_a_shift): Adopt to the new calling prototype of
7409 (function_prologue): Fix code for a monitor
7410 function. Support H8/S.
7411 (function_epilogue): Do not output pop for a monitor function.
7413 2001-01-09 Nick Clifton <nickc@redhat.com>
7415 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7416 (setup_incoming_varargs): Use sysv_varargs_p field of the
7417 cfun->machine structure.
7418 (struct machine_function): Move to rs6000.h
7419 (rs6000_save_machine_status): Delete.
7420 (rs6000_restore_machine_status): Delete.
7421 (rs6000_init_machine_status): New Function.
7422 (rs6000_free_machine_status): New Function.
7423 (rs6000_init_expanders): Use new functions.
7425 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7427 (struct machine_function): Move here.
7429 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7430 sysv_varargs_p field of the cfun->machine structure.
7432 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7434 (rs6000_restore_machine_status): Remove prototype.
7436 2001-01-09 Richard Henderson <rth@redhat.com>
7438 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7439 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7440 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7441 (sched_analyze_2, sched_analyze_insn): Likewise.
7442 (sched_analyze, init_deps): Likewise.
7443 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7444 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7445 (compute_block_backward_dependences): Update propagate_deps call.
7447 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7449 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7451 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7453 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7454 (cpp_handle_option): Handle them.
7455 (cpp_post_options): Ensure one of -M or -MM is specified with
7456 any other -M? option.
7457 (init_dependency_output): Suppress output with -MG.
7459 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7462 * invoke.texi: Update.
7464 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7466 * sh.md (reload_outsf): Generate recognizable patterns for
7469 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7471 * c-lang.c (lang_hooks): Update.
7472 (lang_init): Rename c_init.
7473 (lang_finish): Remove.
7474 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7476 * toplev.h (lang_hooks): Add init () and finish ().
7477 * tree.h (lang_init, lang_finish): Remove.
7478 * cp/tree.h (lang_init, lang_finish): Remove.
7479 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7480 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7482 (lang_init, lang_finish): Remove.
7483 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7484 (lang_hooks): Update.
7485 * java/lang.c (lang_init): Rename java_init.
7486 (lang_finish): Remove.
7487 (lang_hooks): Update.
7488 * objc/objc-act.c (lang_init): Rename objc_init.
7489 (lang_finish): Remove.
7490 (lang_hoooks): Update.
7492 20001-01-09 Graham Stott <grahams@redhat.com>
7494 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7495 after `ptr` is initialised.
7497 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7499 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7500 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7501 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7502 stack adjusts, instead of r3.
7504 2001-01-09 Michael Hayes <mhayes@redhat.com>
7506 * flow.c (flow_loop_scan): Break out of ...
7507 (flow_loops_find) ... here.
7508 * basic-block.h (flow_loop_scan): New.
7509 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7510 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7512 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7514 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7516 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7517 realloc()ing macro_buffer.
7519 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7520 if it's wider than long and the target's long is wider than the
7523 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7525 Remove support for using UWIN as a host machine.
7526 * configure.in: Issue an error message.
7527 * configure: Regenerated.
7528 * config.gcc: Remove xm_* UWIN configury.
7529 * config/i386/xm-uwin.h: Remove.
7531 2001-01-08 Nick Clifton <nickc@redhat.com>
7533 * config/v850/v850.c (ra_rtx): Delete.
7534 (v850_save_machine_status): Delete.
7535 (v850_restore_machine_status): Delete.
7536 (v850_init_machine_status): New function.
7537 (v850_mark_machine_status): New function.
7538 (v850_free_machine_status): New function.
7539 (v850_return_addr): Use ra_rtx field in machine structure.
7540 (v850_init_expanders): Use new functions.
7542 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7543 * config/v850/v850.c: Change arguments to v850_output+* functions
7544 to take a const char *, to avoid compile time warning.
7545 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7546 (USER_LABEL_PREFIX): Redefine.
7548 2000-01-08 Jim Wilson <wilson@redhat.com>
7550 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7551 1 to unsigned HOST_WIDE_INT before left shift.
7553 2001-01-08 Nick Clifton <nickc@redhat.com>
7555 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7556 the machine structure has been allocated.
7557 (arm_free_machine_status): New function: Free the machine
7558 specific function structure.
7560 2001-01-08 Richard Henderson <rth@redhat.com>
7562 * jump.c (simplejump_p): Revert last change.
7564 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7566 * cppinit.c (init): Rename init_library.
7567 (cpp_create_reader): Update.
7568 * gcc.c (cpp_options): If -o given, use it as the target of
7571 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7573 * arm.c (arm_arch5e): New variable.
7574 (all_cores): XScale is a 5TE device.
7575 (arm_override_options): Set arm_arch5e.
7576 (arm_init_builtins): __builtin_prefetch is in arch5e.
7577 * arm.h (arm_arch5e): Declare it.
7579 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7581 * arm.md (define_constants): Add defines for UNSPEC and
7582 UNSPEC_VOLATILE insns. Update all users.
7583 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7584 * arm.c (multi_register_push, note_invalid_constants)
7585 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7586 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7587 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7589 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7591 * jump.c (jump_optimize_1): Use reversed_comparison_code
7592 instead of can_reverse_comparison_p.
7593 (jump_back_p): Likewise.
7594 (invert_exp_1): Likewise.
7595 (thread_jumps): Likewise.
7596 * simplify-rtx.c (simplify_unary_operation): Likewise.
7597 (simplify_ternary_operation): Likewise.
7598 * cse.c (find_comparison_args): Convert to use
7599 can_reverse_comparison_p.
7600 (record_jump_equiv): Likewise.
7602 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7604 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7605 (EPILOGUE_USES): Define.
7606 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7607 automatically stack the LR if it isn't live.
7609 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7611 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7614 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7616 * ggc-page.c (max_alignment): New structure.
7617 (MAX_ALIGNMENT): New macro.
7618 (init_ggc): Use it to round up the sizes in the
7619 extra_order_size_table.
7621 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7623 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7626 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7628 * builtins.def (BUILT_IN_FPRINTF): New entry.
7630 * c-common.c (c_expand_builtin_fprintf): New function.
7631 (init_function_format_info): Handle __builtin_fprintf.
7632 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7633 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7635 * c-decl.c (duplicate_decls): Adjust comment.
7637 * extend.texi (fprintf): Document new builtin.
7639 2001-01-07 Richard Henderson <rth@redhat.com>
7641 * jump.c (simplejump_p): Recognize any single_set jump
7644 2001-01-07 Richard Henderson <rth@redhat.com>
7646 * configure.in (slibdir): Accept an --with-slibdir option.
7647 Use "test" not "[" in configure. Default to $(libdir).
7649 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7651 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7652 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7653 (SHLIB_LINK): Create links for the soname.
7654 * config/mips/t-iris6: Likewise.
7655 * config/sparc/t-slibgcc: Likewise.
7656 * config/sparc/t-slibgcc-sld: Likewise.
7658 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7660 * config/i386/i386.c (constant_call_address_operand): Accept
7661 (const (plus (symbol_ref) (const_int))).
7662 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7663 constant_call_address_operand.
7665 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7667 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7668 and LONG_LONG_TYPE_SIZE > 32.
7670 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7672 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7673 the previous change.
7675 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7677 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7679 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7680 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7681 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7684 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7686 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7688 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7690 * c-lang.c (c_post_options): Call cpp_post_options.
7691 * objc/objc-act.c (objc_post_options): Similarly.
7692 * cppmain.c (main): Similarly.
7693 * fix-header.c (read_scan_file): Similarly.
7694 * cppinit.c (cpp_start_read): Move option consistency checks
7695 to cpp_post_options. Don't call init_dependency_output.
7696 If needed, add default target and main file dependency.
7697 (OPT_MD, OPT_MMD): Remove.
7699 (cpp_handle_option): Update for OPT_* changes.
7700 (cpp_post_options): New.
7701 (init_dependency_output): Command line -MF overrides environment
7702 variables. Don't set default target etc. Suppress output
7703 if dependencies are going to stdout.
7704 (print_help): Update.
7705 * cpplib.h (cpp_post_options): New.
7706 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7708 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7710 * jump.c (comparison_dominates_p): Support unordered compares.
7712 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7714 * simplify-rtx.c (simplify_relational_operation): Always simplify
7715 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7718 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7720 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7721 (nonzero_bits): Likewise.
7722 (simplify_comparison): Likewise.
7723 (num_sign_bit_copies): Likewise; return more sane value depending
7724 on STORE_FLAG_VALUE.
7725 (known_cond): Do not assume EQ to be always true for equivalent
7728 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7730 * cse.c (fold_rtx): Handle unordered comparisons.
7732 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7734 * rtlanal.c (set_of_1): New static function.
7735 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7736 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7737 reg_set_last_last_regno): Remove.
7738 (set_of): New global function.
7739 (set_of_data): New structure.
7740 (reg_set_p, reg_set_last): Revamp for set_of.
7741 * rtl.h (set_of): New.
7743 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7745 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7746 * extend.texi: Document _Exit builtin.
7748 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7750 * (initialize, initialize_builtins,
7751 initialize_dependency_output, initialize_standard_includes):
7752 Rename s/initialize/init. Update.
7753 (init_dependency_output): Move to after
7754 cpp_handle_options, the correct location temporally at least.
7755 (opt_comp): Move next to init (), its caller. Fix prototype.
7756 (init): Make "initialized" local scope.
7757 (cpp_create_reader): Always call init ().
7758 (cpp_start_read): Update.
7759 (output_deps): New function, broken out of cpp_finish.
7760 (cpp_finish): Break out output_deps.
7762 2001-01-07 Richard Henderson <rth@redhat.com>
7764 * collect2.c (COFF specific stuff): Revert 12-06 patch
7765 to prototype system functions.
7767 2001-01-07 Michael Hayes <mhayes@redhat.com>
7769 * hard-reg-set.h: Add multiple include guard.
7770 * basic-block.h (struct loop): Add `sink' field.
7771 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7772 (emit_iv_add_mult): Delete.
7773 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7774 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7775 (unroll_loop): Remove end_insert_before argument.
7776 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7777 (maybe_eliminate_biv_1): Likewise.
7778 (emit_iv_add_mult): Delete.
7779 (gen_add_mult, loop_regs_update): New.
7780 (loop_insn_emit_after, loop_insn_emit_before): New.
7781 (loop_insn_sink, loop_insn_sink_or_swim): New.
7782 (emit_iv_add_mult): Delete.
7783 (scan_loop): Set loop->sink.
7784 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7785 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7786 (maybe_eliminate_biv_1): Likewise.
7787 (maybe_eliminate_biv_1): Add basic block argument.
7788 * unroll.c (unroll_loop): Remove end_insert_before argument.
7789 (find_splittable_regs): Likewise.
7790 (find_splittable_regs): Use loop_insn_sink and its ilk.
7791 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7793 2001-01-07 Michael Hayes <mhayes@redhat.com>
7795 * loop.h (loop_insn_hoist): New prototype.
7796 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7797 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7798 (check_dbra_loop, load_mems): Likewise.
7799 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7800 (find_splittable_givs): Likewise.
7802 2001-01-07 Michael Hayes <mhayes@redhat.com>
7804 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7806 2001-01-07 Richard Henderson <rth@redhat.com>
7808 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7810 2001-01-07 Richard Henderson <rth@redhat.com>
7812 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7813 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7814 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7815 variant that handles a shared libgcc.
7816 (process_command): Always validate -{static,shared}-libgcc.
7817 (do_spec_1): New 'M' case.
7818 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7820 2001-01-07 Richard Henderson <rth@redhat.com>
7822 * Makefile.in (slibdir): New variable.
7823 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7824 (installdirs): Create slibdir.
7825 (install-libgcc, install-multilib): Defer to libgcc.mk.
7826 * configure.in (slibdir): Substitute.
7827 * mklibgcc.in (install): New target.
7829 * config/t-linux (SHLIB_LINK): Create links for the soname.
7830 (SHLIB_INSTALL): New.
7831 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7832 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7833 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7834 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7835 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7837 2001-01-07 Richard Henderson <rth@redhat.com>
7839 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7840 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7841 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7843 2001-01-07 Michael Hayes <mhayes@redhat.com>
7845 * loop.c (count_loop_regs_set): Delete.
7846 (load_mems_and_recount_loop_regs_set): Delete.
7847 (loop_regs_scan): Merge common code from count_loop_regs_set,
7848 scan_loop, and load_mems_and_recount_loop_regs_set.
7849 (scan_loop): Call load_mems directly and loop_regs_scan
7850 again if new registers created.
7852 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7854 * toplev.c (main): Call the front-end specific post_options
7855 hook if one is given.
7856 * toplev.h (struct_lang_hooks, lang_hooks): New.
7857 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7858 for the C front end.
7859 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7860 lang_hooks for the C++ front end.
7861 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7862 lang_hooks for the ObjC front end.
7863 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7864 * java/lang.c (lang_hooks): Hooks for the Java front end.
7866 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7868 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7869 for verbose DWARF[2] debugging.
7870 (cb_define, cb_undef): The new callbacks.
7871 * toplev.h (debug_define, debug_undef): Make const correct.
7872 * toplev.c (debug_define, debug_undef): Similarly. Do not
7873 perform the verbosity tests here anymore.
7875 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7877 * reload.c (subst_reloads): Take INSN argument. When
7878 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7879 * reload.h (subst_reloads): Adjust prototype.
7880 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7881 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7882 present in JUMP_INSNs and copy them to JUMP_LABEL.
7883 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7884 JUMP_INSNs and insns with REG_LABELs that are followed by
7885 JUMP_INSNs with the same REG_LABEL.
7886 * sched-rgn.c (is_cfg_nonregular): Likewise.
7887 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7889 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7891 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7893 2001-01-06 Richard Henderson <rth@redhat.com>
7895 * loop.c (scan_loop): Use xcalloc for the regs array.
7896 (load_mems_and_recount_loop_regs_set): Zero the new memory
7897 received from xrealloc.
7899 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7901 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7903 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7905 * integrate.c (copy_rtx_and_substitute): When copying
7906 an ignored return value, strip REG_FUNCTION_VALUE_P.
7908 2001-01-06 Michael Hayes <mhayes@redhat.com>
7910 * loop.c (debug_biv, debug_giv): New.
7911 (loop_biv_dump): Break out from ...
7912 (record_biv): ... here.
7913 (loop_giv_dump): Break out from ...
7914 (record_giv): ... here.
7915 (loop_bivs_check): Use print_simple_rtl.
7916 * unroll.c (loop_iterations): Use print_simple_rtl.
7918 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7920 * pa.md (return, return_internal): Modify patterns to prevent regrename
7921 mucking with the return pointer.
7923 2001-01-05 Richard Henderson <rth@redhat.com>
7925 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7927 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7929 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7930 version supplied by Matteo Frigo.
7932 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7934 * cpp.texi: Update for -MQ.
7935 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7936 (cpp_cleanup): Always free pfile->deps.
7937 (initialize_dependency_output): Don't create pfile->deps.
7938 (cpp_handle_option): Similarly.
7940 * gcc.c (cpp_options): Handle -MQ.
7941 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7942 * mkdeps.c (base_name): Remove.
7943 (deps_init): Don't allocate vector space until it's needed.
7944 (deps_free): Only free vectors if allocated.
7945 (deps_add_target, deps_add_dep): Update for initial allocation.
7946 (deps_add_default_target): Don't strip to the base_name.
7948 2001-01-05 DJ Delorie <dj@redhat.com>
7950 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7951 (INIT_EXPANDERS): Define.
7953 * config/v850/v850.c (struct machine_function): Define.
7954 (v850_save_machine_status): New function.
7955 (v850_restore_machine_status): New function.
7956 (v850_return_addr): New function.
7957 (v850_init_expanders): New function.
7959 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7960 and v850_init_expanders.
7962 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7964 * cpplib.h (struct cpp_reader): Add help_only field.
7965 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7966 (cpp_handle_option): Set pfile->help_only if we see -h,
7967 --help, -target-help, or --version. Print version string but
7968 do not set help_only if we see -v or -version. Make text
7969 printed by -v match that printed by (-)-version.
7971 * cppmain.c (main): Exit after option parsing if
7972 pfile->help_only is true.
7974 * toplev.c (independent_decode_option): Call print_version,
7975 then exit, if we see --version (but not -version).
7976 (print_version): Split lengthy message into two lines.
7978 2001-01-05 Nick Clifton <nickc@redhat.com>
7980 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7981 temporary string for initialisation before calling ggc_alloc_string.
7983 2001-01-06 Michael Hayes <mhayes@redhat.com>
7985 * rtl.h (print_simple_rtl): New.
7986 * print-rtl.c (print_simple_rtl): New.
7988 (print_rtx): Disable printing of flags and modes, etc.,
7989 if `flag_simple` nonzero.
7991 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7993 * function.c (fixup_var_refs): Use push_to_full_sequence where
7996 2001-01-05 Michael Meissner <meissner@redhat.com>
7998 * flags.h (flag_reorder_blocks): Add declaration.
7999 (flag_rename_block): Ditto.
8001 2001-01-05 DJ Delorie <dj@redhat.com>
8003 * function.c (reorder_blocks): Make sure the flags are all reset
8004 before using them to mark blocks, else a second invocation will
8005 corrupt the block chain.
8006 (reorder_blocks_0): New, resets the flags.
8008 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8010 * cse.c (find_comparison_args): Stop if the argument is known to
8013 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8015 * config/sh/sh.md (movdf): When splitting load into pair of
8016 registers, don't clobber the register used in the address too
8019 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8021 * varasm.c (mark_constant_pool): Improve initial comments.
8022 (mark_constants): Move marking of constants to mark_constant.
8023 (mark_constant): New function to recursively mark all constants
8024 referred to by a constant.
8026 2001-01-05 Catherine Moore <clm@redhat.com>
8028 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8030 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8032 * cp/lang-options.h: Bring comment in line with reality.
8033 * f/lang-options.h: Likewise.
8034 * java/lang-options.h: Likewise.
8035 * objc/lang-options.h: Likewise.
8036 * ch/lang-options.h: Likewise.
8037 * f/g77.texi: And update the manual.
8039 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8040 Denis Chertykov <denisc@overta.ru>
8042 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8043 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8044 * config/avr/avr.md (all peepholes that request a scratch register):
8045 Call it, FAIL the peephole if not safe (in interrupt functions).
8047 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8049 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8051 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8053 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8055 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8056 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8057 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8058 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8059 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8061 * extend.texi: Document these builtins.
8063 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8065 * c-common.c (lang_get_alias_set): Say we know nothing of
8066 VECTOR_TYPE aliasing.
8068 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8070 2001-01-05 Bruce Korb <bkorb@gnu.org>
8072 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8073 their x* equivalent versions for atexit-less systems
8074 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8075 systems (or any other system any more).
8077 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8079 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8080 output operands. Use arm_hard_register_operand for operand 4.
8081 (stmsi_postinc): Similarly.
8082 (ldmsi): Use arm_hard_register_operand for opernand 2.
8084 * arm.c (arm_hard_register_operand): New function.
8085 * arm-protos.h (arm_hard_register_operand): Prototype it.
8087 * arm.h (HARD_REGNO_RENAME_OK): Define.
8089 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8091 * simplify-rtx.c (cfc_args): add "unordered" field.
8092 (check_fold_consts): Set unordered field.
8093 (simplify_relational_operation): Simplify the unordered
8096 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8099 * emit-rtl.c (try_split): Fix code to mark labels.
8100 * jump.c (mark_jump_label): Make global.
8101 * rtl.h (mark_jump_label): Declare.
8103 * predict.c (estimate_probability): Handle unordred comparisons.
8105 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8107 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8108 * cppinit.c (initialize_dependency_output): Update.
8109 (cpp_finish): Output dummy targets for -MP.
8111 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8112 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8113 * gcc.c (cpp_options): Update to handle -MP.
8114 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8115 to quote only the default target.
8116 (deps_phony_targets): Insert a preceding newline. Rename from
8117 deps_dummy_targets for consistency.
8120 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8122 * calls.c (emit_library_call_value_1): Support
8123 INIT_CUMULATIVE_LIBCALL_ARGS.
8124 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8126 2001-01-04 Richard Henderson <rth@redhat.com>
8128 * c-decl.c (finish_struct): Detect flexible array members
8129 used in an inappropriate context.
8130 * c-typeck.c (really_start_incremental_init): Special case
8131 constructor_max_index for zero length arrays.
8132 (pop_init_level): Allow initialization of flexible array
8133 members. Deprecate initialization of zero length arrays.
8134 Don't issue missing initializer warning for flexible array
8135 members or zero length arrays.
8136 (process_init_element): Don't dereference null DECL_SIZE.
8137 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8138 Don't abort for empty constructors. Use size_binop
8139 (output_constructor): Add commentary regarding zero length
8140 array futures. Abort if we try to initialize an array of
8141 unspecified length with a non-empty constructor in the middle
8144 * extend.texi (Zero Length): Update and clarify documentation
8145 on static initialization.
8147 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8149 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8150 with more than 32767 words of local storage.
8152 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8154 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8155 for 'abs', 'labs', and 'fabs'.
8156 (c4x_expand_builtin): Likewise.
8157 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8159 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8161 * config/sh/sh.md (prget, prset): New insn types.
8162 (return delay slot): Dont' allow prset.
8163 (call, sfunc delay slot): Don't allow prget.
8164 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8165 for prset and prget.
8167 2001-01-05 Michael Hayes <mhayes@redhat.com>
8169 * loop.h (struct loop_reg): New.
8170 (struct loop_regs): Change to use array of `struct loop_reg'.
8171 * loop.c: Replace assortment of varrays with single regs array.
8172 (count_one_set): Delete may_not_move array argument
8173 and use regs array instead. All caller's changed.
8174 (count_loop_regs_set): Delete may_not_move and single_usage
8175 arguments and use regs array instead. All caller's changed.
8176 (find_single_use_in_loop): Replace usage array argument with pointer
8177 to regs structure. All caller's changed.
8178 (loop_optimize): Delete `moved_once' array.
8180 2001-01-05 Michael Hayes <mhayes@redhat.com>
8182 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8183 Use it instead of loop_info->has_call for scanning loop mems.
8184 (check_dbra_loop): Replace loop_info->has_call test with
8185 loop_info->has_nonconst_call.
8187 2000-01-04 Matthew Hiller <hiller@redhat.com>
8189 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8192 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8194 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8195 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8197 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8199 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8200 (flag_short_double, flag_short_wchar): Define.
8201 (c_common_nodes_and_builtins): Create many tree nodes shared
8202 between C and C++ here instead of in cp/decl.c and ...
8203 * c-decl.c (init_decl_processing): ... here.
8204 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8205 (flag_short_double, flag_short_wchar): Don't define.
8206 (record_builtin_type): New function.
8207 (build_void_list_node): New function.
8208 * c-common.h (flag_short_double, flag_short_wchar,
8209 record_builtin_type, build_void_list_node): Declare.
8211 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8213 * integrate.c (expand_inline_function): Don't put a virtual
8214 register into the reg map.
8216 * function.c (fixup_var_refs_1): If force_operand didn't put
8217 the address into the target, move it there.
8219 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8221 Special-case tree_decl/tree_list allocations.
8222 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8223 (OBJECT_SIZE): New macro.
8224 (NUM_EXTRA_ORDER): Likewise.
8225 (extra_order_size_table): New variable.
8226 (NUM_ORDERS): New macro.
8227 (objects_per_page_table): New variable.
8228 (object_size_table): New variable.
8229 (G.pages): Use NUM_ORDERS to bound the array.
8230 (G.page_tails): Likewise.
8231 (DIV_ROUND_UP): Remove.
8232 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8233 (alloc_page): Use OBJECT_SIZE.
8234 (size_lookup): Don't make it const.
8235 (ggc_alloc): Use OBJECT_SIZE.
8236 (ggc_set_mark): Likewise.
8237 (ggc_get_size): Likewise.
8238 (init_ggc): Set up the object_size_table, objects_per_page_table,
8239 and adjust size_lookup.
8240 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8241 (ggc_pop_context): Use NUM_ORDERS.
8242 (clear_marks): Likewise.
8243 (sweep_pages): Likewise.
8244 (poison_pages): Likewise.
8245 (ggc_print_statistics): Use OBJECT_SIZE.
8247 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8249 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8250 Only call array_size_for_constructor if last field and array type
8251 with no upper bound.
8253 2001-01-04 Philip Blundell <philb@gnu.org>
8255 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8256 from bit 31 downwards, if this requires no more insns.
8257 (count_insns_for_constant): New helper function for above.
8259 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8261 * gencodes.c (output_predicate_decls): Remove empty initializer.
8263 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8265 * tree.c (copy_node): Remove documentation about obstacks.
8266 (buidl1): Check that nobody tries to build 2-argument nodes this
8269 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8271 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8274 * gencodes.c (output_predicate_decls): Fill empty initializer
8277 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8279 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8280 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8282 (do_include): Handle missing headers like cpp0.
8283 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8284 paths with first include pathname. Don't strcat to uninitialized
8287 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8289 * regrename.c (regrename_optimize): Don't rename from frame pointer
8290 if frame_pointer_needed.
8291 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8292 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8293 (ia64_reorg): Use it instead of scheduling if ! optimize.
8294 (errata_emit_nops): Properly call asm_noperands.
8295 (ia64_sched_reorder): Finish cycle if we see an asm.
8296 (ia64_variable_issue): Clear scheduling state after asms.
8298 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8300 * cpp.texi: Update for -MT.
8301 * cppinit.c (initialize_dependency_output): Add a default
8302 target if none has been given already.
8303 (no_tgt, OPT_MT): New.
8304 (cpp_handle_option): Handle -MT. Update -M etc.
8305 * cpplib.h (struct cpp_options): Remove deps_target.
8306 * gcc.c (cpp_options): Handle -MT.
8307 * mkdeps.c (struct deps): Move from mkdeps.h.
8308 (deps_calc_target): Rename deps_add_default_target. Add a
8309 default target if none has been specified already.
8310 * mkdeps.h (struct deps): Move to mkdeps.c.
8311 (deps_calc_target): Rename deps_add_default_target.
8313 2000-01-03 Richard Henderson <rth@redhat.com>
8315 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8317 * c-typeck.c (push_init_level): Move checks for flexible array
8318 members and zero length arrays ...
8319 (pop_init_level): ... here. Silently discard empty initializations.
8321 * varasm.c (output_constructor): Update for sizeof change to
8324 * extend.texi (Zero Length): Clarify semantics.
8326 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8328 * configure.in (tm.h): Include isns-codes.h last.
8329 * configure: Rebuilt.
8331 2001-01-03 Richard Henderson <rth@redhat.com>
8333 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8334 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8336 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8338 * tradcpp.c (main): Make sure finclude() is called with a valid
8339 indepth value while handling -include.
8341 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8343 * gencodes.c (output_predicate_decls): New function.
8345 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8346 even if it is not the first time machmode.h is #included.
8347 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8348 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8349 * gcc.texi (Copyright): Added 2001.
8351 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8353 * c-common.c (c_common_lang_init): New function. Warn if format
8354 warning options which only have effects when used with -Wformat
8355 are used without -Wformat.
8356 * c-common.h (c_common_lang_init): Declare.
8357 * c-lang.c (lang_init): Call c_common_lang_init.
8358 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8360 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8362 * configure.in: Check for the mktemp command.
8363 * configure: Regenerate.
8364 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8365 $TEMP. Create temporary files with mktemp, if available at
8366 configure time; otherwise use set -C. Remove temporary files
8369 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8371 * configure.in: Require at least texinfo 4.0. Check for whether
8372 Pod::Man is sufficiently recent to regenerate GCC manpages.
8373 * configure: Regenerate.
8374 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8376 (GENERATED_MANPAGES): Define.
8377 (generated-manpages): New target. Depend on cpp.1 as well as
8379 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8380 configure to generated-manpages or empty) rather than on the
8381 manpages directly. Remove execute permission from installed
8382 gcov.1 as well as cpp.1.
8383 * cpp.1, gcov.1: Regenerate.
8385 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8387 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8388 tree_low_cst. Allow using cmpstrsi in more cases.
8390 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8392 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8395 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8397 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8398 * Makefile.in (HOST_CFLAGS): Mention build-make.
8400 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8402 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8405 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8407 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8410 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8413 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8414 reg_base_value and reg_known_value arrays.
8415 (init_alias_analysis): Add more cases to detect known values.
8416 * sched-deps.c (deps_may_trap_p): New function.
8417 (sched_analyze_2): Use it.
8419 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8421 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8422 don't discard an ASHIFTRT if we're shifting in a wider mode.
8424 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8426 * toplev.c (rest_of_compilation): Don't print basic block information
8427 when CFG isn't up to date.
8429 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8431 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8432 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8433 (UNALIGNED_SHORT_ASM_OP): Define.
8434 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8436 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8438 * fold-const.c (fold_convert): Fix typo.
8440 2001-01-02 Richard Henderson <rth@redhat.com>
8442 * c-common.h (ASM_INPUT_P): New.
8443 * c-parse.in (asm): Set it when needed.
8444 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8445 existance of an operand.
8447 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8449 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8450 (dwarf2out_frame_debug_expr): Likewise.
8451 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8453 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8455 * i386.c (ix86_split_to_parts): Return number of part required;
8457 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8459 (ix86_split_long_move): Use number of part returned
8460 by ix86_split_to_parts
8461 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8463 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8464 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8465 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8466 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8467 (ALIGN_MODE_128): Add TFmode.
8468 (IS_STACK_MODE): Likewise.
8469 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8470 (HARD_REGNO_OK): Support TFmodes.
8471 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8472 * i386.md (scheduler definitions): Use memory operand to determine
8473 fst/fld instructions; use mode attribute to determine real mode of
8475 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8476 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8478 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8480 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8482 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8484 * expr.c (store_constructor_field): Update ALIGN before calling
8487 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8489 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8492 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8494 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8497 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8499 * c-decl.c (start_function): Don't warn on third parameter to main.
8501 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8503 * tsystem.h: Define HAVE_DECL_GETOPT.
8505 2001-01-02 Philip Blundell <pb@futuretv.com>
8507 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8510 2001-01-02 Richard Henderson <rth@redhat.com>
8512 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8514 2001-01-02 Andreas Jaeger <aj@suse.de>
8516 * c-decl.c (c_decode_option): Remove support of
8519 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8520 (W_options): Add -Wmissing-noreturn here.
8522 * flow.c: Define lang_missing_noreturn_ok_p.
8523 (check_function_return_warnings): Use it.
8525 * c-common.h: Declare lang_missing_noreturn_ok_p.
8527 * c-lang.c (c_missing_noreturn_ok_p): New function.
8528 (lang_init): Set lang_missing_noreturn_ok_p.
8530 * invoke.texi (Warning Options): Document this.
8532 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8534 * extend.texi (C++ Extensions): New node for C++ attributes;
8535 describe init_priority and com_interface.
8536 * invoke.texi: Remove -finit-priority as it now has zero effect.
8537 * install.texi: Fix xref syntax.
8538 * md.texi: Likewise.
8540 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8542 * config.gcc (sparc64-wrs-vxworks*): New case.
8543 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8545 * config/sparc/sparc.c (sparc_override_options): Do support different
8546 pointer and architecture size.
8547 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8548 (POINTERS_EXTEND_UNSIGNED): Define.
8549 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8550 (FUNCTION_MODE): Define to be Pmode.
8551 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8553 * function.c (expand_function_end): Properly handle DECL_RESULT
8554 and copy when ptr_mode != Pmode.
8555 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8557 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8559 * c-common.c (c_common_nodes_and_builtins): Set prototype
8560 parameters for __builtin_fputs, __builtin_fputc and
8561 __builtin_fwrite. Don't declare plain fputc as a builtin.
8563 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8565 * loop.c (add_label_notes): Increment the label usage count when
8566 a note is added to an insn which refers to a CODE_LABEL.
8567 * gcse.c (add_label_notes): Likewise.
8569 2001-01-01 Andreas Jaeger <aj@suse.de>
8571 * loop.c (scan_loop): Use xmalloc to allocate movables.
8573 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8575 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8576 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8577 * reload1.c (REGISTER_MOVE_COST): Likewise.
8578 * regclass.c (REGISTER_MOVE_COST): Likewise.
8579 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8580 dimension. Adjust all users.
8581 (init_reg_sets_1): Iterate on all modes.
8582 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8583 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8584 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8585 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8586 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8587 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8588 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8589 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8590 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8591 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8592 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8593 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8594 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8595 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8596 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8597 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8598 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8599 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8600 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8601 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8602 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8603 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8604 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8605 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8606 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8607 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8608 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8610 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8612 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8613 arg VARIES_P. Call it with extra arg.
8614 (true_dependence): Likewise.
8615 * rtl.h (rtx_addr_can_trap_p): Declare.
8616 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8618 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8619 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8620 pic offset table register if it's zero. All callers changed.
8621 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8623 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8625 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8626 STRING_POOL_ADDRESS_P.
8628 * config/sparc/sparc.c (input_operand): Properly test for short op.
8630 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8631 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8632 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8633 * config/sparc/elf.h: No longer include sol2.h.
8634 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8635 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8637 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8639 2001-01-01 Michael Hayes <mhayes@redhat.com>
8641 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8642 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8643 (record_initial): Likewise.
8644 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8645 (remap_split_bivs): Likewise.
8647 2001-01-01 Michael Hayes <mhayes@redhat.com>
8649 * loop.c (loop_ivs_free): New function.
8650 (strength_reduce): Break out from...
8652 2001-01-01 Michael Hayes <mhayes@redhat.com>
8654 * loop.h (struct iv): New.
8655 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8656 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8657 'reg_biv_class' fields with 'regs' and 'n_regs'.
8658 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8659 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8660 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8662 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8664 * resource.c (mark_referenced_resources): Abort() before
8665 attempting to mark a pseudo register.
8666 (mark_set_resources): Likewise.
8668 2001-01-01 Michael Hayes <mhayes@redhat.com>
8670 * loop.h (REG_IV_CLASS): New accessor macro.
8671 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8672 * unroll.c (REG_IV_CLASS): Likewise.
8674 See ChangeLog.4 for earlier changes.