1 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3 * config/pa/quadlib.c: Add prototypes.
5 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * bitmap.h (debug_bitmap): Delete redundant prototype.
9 * rtl.h (get_frame_size): Likewise.
11 2001-04-12 Jim Wilson <wilson@redhat.com>
13 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
14 to just emit an fnorm.
16 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18 * c-common.h (truthvalue_conversion, type_for_mode,
19 type_for_size): Delete redundant declarations.
21 * c-lex.h (is_class_name): Likewise.
23 * c-tree.h (pedantic, convert, getdecls, gettags,
24 global_bindings_p, init_decl_processing, insert_block,
25 maybe_build_cleanup, poplevel, print_lang_decl,
26 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
27 set_block, incomplete_type_error, build_function_call,
28 lvalue_or_else, mark_addressable): Likewise.
30 * expr.h (expand_tree_builtin): Likewise.
32 2001-04-12 Mark Mitchell <mark@codesourcery.com>
34 * invoke.texi: Document --param max-gcse-memory.
36 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
38 * configure.in (errno): Check for declaration.
39 * configure, config.in: Regenerated.
41 * system.h (errno): Only declare if not already done.
43 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
45 * recog.c (general_operand, immediate_operand,
46 nonmemory_operand): Require CONST_INTs to be sign-extended
47 values for their modes.
49 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
51 * expmed.c (store_bit_field): Truncate CONST_INTs.
52 (expand_mult_highpart, expand_divmod): Likewise.
53 * expr.c (convert_modes, store_field): Likewise.
54 * integrate.c (expand_inline_function): Use promote_mode() to
55 determine whether to convert_modes() an argument as signed
57 * optabs.c (expand_binop): Get CONST_INT operands
58 sign-extended for their appropriate modes.
59 * stmt.c (emit_case_nodes): Convert node values to the
61 (expand_end_case): Convert minval and range to the appropriate
63 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
64 the iteration variable.
65 * varasm.c (immed_double_const): Don't require words to be
66 narrower than host wide ints to properly sign-extend
69 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
71 * sh.md (builtin_setjmp_receiver): New expander.
73 2001-04-12 David Edelsohn <dje@watson.ibm.com>
75 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
76 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
77 for generating CONST_INT and CONST_DOUBLE.
79 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
81 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
82 already sign-extended.
83 (rs6000_emit_prologue): Make register iterator signed.
84 (rs6000_emit_epilogue): Likewise.
85 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
87 (movsf split, movdf split): Sign-extend CONST_INTs.
88 (movdi splits): Likewise.
90 2001-04-12 Kelley Cook <kelley.cook@home.com>
92 * config-lang.in (lang_dirs): Add in zlib.
94 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
96 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
97 operands that make it to RTL.
99 2001-04-11 Stan Shebs <shebs@apple.com>
101 Add Darwin (Mac OS X kernel) native support.
102 * config.gcc (powerpc-*-darwin*): Add native bits.
103 * config/darwin.c: New file, generic Darwin support functions.
104 * config/darwin.h: New file, generic Darwin definitions.
105 * config/darwin-protos.h: New file, generic Darwin prototypes.
106 * rs6000/darwin.h: New file, Darwin for PowerPC.
107 * rs6000/t-darwin: New file, Darwin makefile fragment.
108 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
109 (TARGET_MACHO): Ditto.
110 (rs6000_abi): Add ABI_DARWIN.
111 (RS6000_REG_SAVE): Add ABI_DARWIN case.
112 (RS6000_SAVE_AREA): Ditto.
113 (FP_ARG_MAX_REG): Ditto.
114 (RETURN_ADDRESS_OFFSET): Ditto.
115 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
117 (rs6000_emit_move): Add ABI_DARWIN cases.
118 (print_operand): Ditto.
119 (first_reg_to_save): Ditto.
120 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
121 (debug_stack_info): Ditto.
122 (rs6000_emit_prologue): Ditto.
123 (rs6000_emit_epilogue): Ditto.
124 (output_profiler_hook): Ditto.
125 (output_function_profiler): Ditto.
126 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
127 (output_mi_thunk): Add TARGET_MACHO case.
128 (add_compiler_stub): Ditto.
129 (output_compiler_stub): Ditto.
130 (no_previous_def): Ditto.
131 (output_call): Ditto.
132 (machopic_output_stub): Ditto.
133 (rs6000_machopic_legitimize_pic_address): Ditto.
134 (toc_section): Ditto.
135 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
139 (load_macho_picbase): Ditto.
140 (call): Add TARGET_MACHO case to modify function.
142 (call_nonlocal_sysv): Add ABI_DARWIN case.
143 (call_value_nonlocal_sysv): Ditto.
144 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
146 (machopic_output_stub): Ditto.
147 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
149 2001-04-11 Mark Mitchell <mark@codesourcery.com>
151 * dwarf2out.c (modified_type_die): Don't create new types here.
152 * tree.h (get_qualified_type): New function.
153 (build_qualified_type): Adjust comment.
154 * tree.c (get_qualified_type): New function.
155 (build_qualified_type): Use it.
157 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
159 * cpp.texi (-Wtraditional): Update description.
161 * invoke.texi (-Wtraditional): Likewise.
163 2001-04-11 Jim Wilson <wilson@redhat.com>
165 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
166 requires more than 64 bits of alignment.
168 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
170 * cpplib.c (do_line): Sanity check iff enable checking.
172 2001-04-11 Richard Henderson <rth@redhat.com>
174 * Makefile.in (insn-recog.o): Depend on toplev.h.
175 (insn-emit.o, doloop.o): Likewise.
176 * genrecog.c, genemit.c: Include toplev.h in generated file.
177 * doloop.c: Include toplev.h.
179 2001-04-11 Mark Mitchell <mark@codesourcery.com>
181 * Makefile.in (gcse.o): Depend on params.h.
182 * gcse.c: Include params.h.
183 (gcse_main): Don't do GCSE if doing so will take inordinate
185 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
186 * params.h (MAX_GCSE_MEMORY): New macro.
188 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
190 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
192 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
194 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
196 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
198 * real.h (ereal_atof, real_value_truncate, target_isnan,
199 target_isinf, target_negative, assemble_real, debug_real): Delete
200 redundant prototypes.
202 * Makefile.in (ifcvt.o): Depend on toplev.h.
204 * c-semantics.c: Include expr.h.
206 * ifcvt.c: Include toplev.h.
208 * expr.h (rtx_equal_p): Delete prototype.
210 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
211 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
212 eliminate_constant_term, expand_complex_abs, find_single_use,
213 make_tree, init_expr_once, init_optabs, supports_one_only):
216 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
217 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
218 expand_assignment, store_expr, emit_line_note_after,
219 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
221 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
223 * sparc-protos.h: Delete redundant prototypes.
225 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
227 * reload.c (push_reload): Add condition missed in SUBREG byte
230 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
232 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
234 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
236 * i386.md (floatsisf_sse): Fix output template
237 * i386.c (ix86_expand_fp_movcc)
239 * reg-stack.c (emit_pop_insn): Handle complex modes.
240 (move_for_stack_reg): Emit proper move mode.
241 (subst_stack_regs_pat): Handle complex modes.
243 2001-04-11 Jakub Jelinek <jakub@redhat.com>
245 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
247 2001-04-10 Richard Henderson <rth@redhat.com>
249 * libgcc2.h (__terminate_func_ptr): Remove typedef.
250 (__pure_virtual, __terminate, __terminate_set_func,
251 __default_terminate, __throw_type_match, __empty,
252 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
253 __eh_rtime_match, __unwinding_cleanup, __rethrow,
254 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
255 Remove prototypes of deleted functions.
257 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * c-typeck.c (convert_arguments): -Wtraditional now activates
260 -Wconversion warnings, except for changes in signed-ness.
261 Detect complex<->int & int<->complex conversions as well.
263 * invoke.texi (-Wtraditional): Document it.
265 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
267 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
268 * flow.c (set_block_for_new_insns): Remove needless cast and
269 properly check for unset block number.
271 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
273 * function.c (purge_single_hard_subreg_set): Only check REGNO if
274 the subreg was a hard register. Pseudos are left as subregs.
276 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
278 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
279 (LIB2ADD_ST): New macro, pass it to mklibgcc.
280 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
281 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
282 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
284 2001-04-09 Bo Thorsen <bo@suse.co.uk>
286 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
288 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
290 * output.h (set_block_num): Missed it earlier, remove deprecated
293 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
295 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
296 (load_killed_in_block_p): Change bb parameter from int to basic_block.
297 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
298 (handle_rd_kill_set): Change bb parameter from int to basic_block.
299 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
300 (expr_killed_p): Change bb parameter from int to basic_block, pass
301 basic_blocks instead of ints as parameters.
302 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
303 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
304 from int to basic_block, pass basic_blocks instead of ints as parms.
305 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
306 parameter from int to basic_block, pass basic_blocks instead of ints.
307 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
308 (insert_insn_end_bb): Change bb parameter from int to basic_block,
309 pass basic_blocks instead of ints.
310 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
311 basic_blocks instead of ints as parameters.
312 (pre_delete): Pass basic_blocks instead of ints as parameters.
313 (hoist_expr_reaches_here_p): Change bb parameter from int to
314 basic_block, pass basic_blocks instead of ints.
315 (hoist_code): Pass basic_blocks instead of ints as parameters.
316 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
317 Change bb parameter from int to basic_block.
318 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
319 (insert_insn_start_bb): Change bb parameter from int to basic_block,
320 pass basic_blocks instead of ints.
321 (insert_store): Pass basic_blocks instead of ints as parameters.
322 (replace_store_insn, delete_store): Change bb parameter from int to
323 basic_block, pass basic_blocks instead of ints.
324 (store_motion): Pass basic_blocks instead of ints as parameters.
326 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
328 * basic-block.h (set_new_block_for_insns): New Prototype.
329 (set_block_num): Delete prototype.
330 * flow.c (set_block_num): Remove obsolete function.
331 (set_block_for_new_insns): Set BB for single or multiple insns.
332 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
333 (process_insn_end_bb): Use set_block_for_new_insns or
334 set_block_for_insn instead of set_block_num.
335 (pre_insert_copy_insn): Use set_block_for_new_insns.
336 (update_ld_motion_stores): Use set_block_for_new_insns.
337 (insert_insn_start_bb): Use set_block_for_new_insns.
338 (replace_store_insn): Use set_block_for_new_insns.
340 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
341 Jeff Law <law@redhat.com>
343 * alias.c (get_addr): Externalize.
344 (canon_true_dependence): New function. Behaves like true_dependance
345 except it already assumes a MEM has been canonicalized.
346 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
347 * gcse.c (struct ls_expr): Add load/store expressions structure.
348 (modify_mem_list, canon_modify_mem_list): New variable.
349 (gcse_main): Initialize & finalize alias analysis. Use enhanced
350 load motion and store motion if requested.
351 (alloc_gcse_mem): Allocate space for modify_mem_list array.
352 (free_gcse_mem): Free the modify_mem_list array.
353 (oprs_unchanged_p): Use load_killed_in_block_p.
354 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
355 (mems_conflict_for_gcse_p): New function. Don't kill loads
356 with stores to themselves if its in the load/store expression list.
357 (load_killed_in_block_p): New function.
358 (canon_list_insert): New Function.
359 (record_last_mem_set_info): Keep a list of all instructions which
360 can modify memory for each basic block.
361 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
362 (oprs_not_set_p): Use load_killed_in_block_p.
363 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
364 (expr_killed_p): Use load_killed_in_block_p.
365 (compute_transp): Do not pessimize memory references.
366 (pre_edge_insert): Update stores for a load motion expression.
367 (one_pre_gcse_pass): Check loads/stores for extra load motion.
368 (ldst_entry): Find or create a ldst_expr structure.
369 (free_ldst_entry): Free memory for an individual item.
370 (free_ldst_mems): Free entire load/store expression list.
371 (print_ldst_list): Print debug info.
372 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
373 (enumerate_ldsts): Assign integer values to each entry in list.
374 (first_ls_expr): First expression in the list.
375 (next_ls_expr): Next expression in the list.
376 (simple_mem): Check if expression qualifies for ld/st expression list.
377 (invalidate_any_buried_refs): Remove from expression list if its
378 used in some other way we dont understand.
379 (compute_ld_motion_mems): Find all potential enhanced load motion
381 (trim_ld_motion_mems): Remove any expressions which are invalid.
382 (update_ld_motion_stores): Copy store values to registers for loads
383 which have been moved.
384 (regvec, st_antloc, num_store): New global statics.
385 (reg_set_info): Marks registers as set.
386 (store_ops_ok): Verfies registers expressions are valid in a block.
387 (find_moveable_store): Look for moveable stores in a pattern.
388 (compute_store_table): Find stores in a function worth moving, maybe.
389 (load_kills_store): Check dependance of a load and store.
390 (find_loads): Find any loads in a pattern.
391 (store_killed_in_insn): Check if a store is killed in an insn.
392 (store_killed_after): Check is store killed after an insn in a block.
393 (store_killed_before): Check is store killed before an insn in a block.
394 (build_store_vectors): Generate the antic and avail vectors.
395 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
396 (insert_store): Add a store to an edge.
397 (replace_store_insn): Replace a store with a SET insn.
398 (delete_store): Delete a store insn.
399 (free_store_memory): Free memory.
400 (store_motion): Perform store motion.
401 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
402 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
403 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
404 (f_options): Add gcse-lm and gcse-sm.
406 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
408 * i386.c (expand_fp_movcc): Fix condition reversal code.
410 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
411 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
412 (CLASS_MAX_NREGS): Use it.
414 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
415 handle properly complex values.
416 (CLASS_MAX_NREGS): Likewise; update comment.
418 2001-04-05 Bernd Schmidt <bernds@redhat.com>
420 * ia64.c (ia64_flag_schedule_insns2): New variable.
421 (ia64_override_options): Initialize it. Clear
422 flag_schedule_insns_after_reload.
423 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
425 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
427 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
428 Do not require source to match destination anymore;
429 Add abort to the nontrivial cases that should be handled by split.
430 (fix_trunc?fdi): Add SSE case for x86_64.
431 (floatdi?f): Likewise.
432 (floatdi?f_sse): New.
433 (fix_trunc?fdi_sse): New.
435 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
437 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
438 (DEBUG_ARANGES_END_LABEL): Ditto.
439 (dwarfout_init): Generate length and version fields at the start
440 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
441 after the length field.
442 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
443 the .debug_aranges info.
445 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
447 * i386.c (call, call_value): Make sure that resulting call_insn
448 does have proper second operand.
450 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
452 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
453 function. Remove include of sys/cygwin.h.
455 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
457 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
458 (CPP_SPEC): Always search */include/w32api for header files.
459 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
460 (LINK_SPEC): Add "cyg" to the library search prefixes.
462 2001-04-08 Philip Blundell <philb@gnu.org>
464 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
466 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
468 * cpperror.c (print_location): Don't special case <stdin>.
469 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
470 WARNING, but we don't check if we're in system headers.
471 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
472 * cpplib.c (do_warning): Warn in system headers.
474 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
476 * mbchar.c: Include config.h first.
478 2001-04-07 Zack Weinberg <zackw@stanford.edu>
480 * config.gcc: Set default for xmake_file at top, not bottom.
481 Change places that set xmake_file to "none" to set to the
482 empty string instead, or remove them entirely if there is no
483 default xmake_file for this cpu_type. Remove references to
486 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
487 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
488 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
489 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
490 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
491 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
492 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
493 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
494 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
495 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
498 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
499 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
500 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
501 config/mips/x-sysv, config/rs6000/x-aix31:
502 Just set CLIB to -lld or -lmld, as appropriate.
504 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
505 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
506 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
507 config/mips/x-iris, config/pa/x-pa:
508 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
509 OTHER_FIXINCLUDES_DIRS.
511 * config/i386/x-djgpp: Don't set LN or LN_S.
512 * config/m88k/x-dolph: Don't define __m88k__.
513 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
514 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
515 * config/i860/fx2800.h: No need to #undef SVR4.
517 38 x-host fragments remain, 2 x-cpu.
519 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
521 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
523 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
525 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
527 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
529 * configure.in: Add check for lstat.
530 * configure, config.in: Regenerate.
531 * cppinit.c (append_include_chain): Make empty path ".".
532 * cpplib.c (do_line): Don't simplify #line paths.
533 * cppfiles.c (remove_component_p): New function.
534 (find_or_create_entry): Acknowledge stat () errors during
536 (handle_missing_header): Don't simplify paths.
537 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
538 the empty path untouched. Don't leave a trailing '/'.
540 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
542 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
543 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
545 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
547 * cppfiles.c (open_file): Fail directories silently, but
548 with an errno of NOENT set.
549 (read_include_file): Move the common exit code to the sole
550 caller. Return an int indicating success or failure. Let
551 open_file handle directories.
552 (stack_include_file): If read_include_file fails,
553 push a "null" buffer.
555 2001-04-05 DJ Delorie <dj@redhat.com>
557 * function.h (virtuals_instantiated): Declare.
558 * function.c: (virtuals_instantiated): Make global.
559 * calls.c (emit_library_call_value_1): Use
560 virtual_outgoing_args_rtx only if it hasn't been instantiated.
561 Otherwise, use the stack pointer directly.
563 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
565 * i386.c (x86_initialize_trampoline): New global function.
566 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
567 (INITIALIZE_TRAMPOLINE): Move offline.
568 * i386-protos.h (x86_initialize_trampoline): Declare.
570 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
572 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
573 (lea_0): Rename to lea_1.
574 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
575 (lea_general_?): Allow SImodes on TARGET_64BIT
576 (lea_general_?_zext): New patterns.
577 (call_1, call_1_rex64): Fix.
579 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
581 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
583 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
585 * i386.c (function_arg): Return constm1_rtx for last argument.
586 (ix86_expand_prologue): Update gen_call calls.
587 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
588 * i386.md (call_pop): Likewise.
589 (call): Second operand is VOIDmode.
590 (call_0): Likewise; Support 64bits.
591 (call_exp): New expander.
592 (call_1): Get to the sync.
593 (call_1_exp): New pattern.
594 (call_value): Support 64bit.
595 (call_value_exp): New pattern.
596 (untyped_call): Update gen_call call.
597 (call_value_pop): Disable for 64bit.
598 (call_value_0_rex64): New pattern.
599 (call_value_1_rex64): Likewise.
601 2001-04-05 Bo Thorsen <bo@suse.de>
603 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
605 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
607 * i386.md (*andsi_1+3): If used after reload, make sure the operand
608 satisfies ANY_QI_REG_P.
610 2001-04-05 Bernd Schmidt <bernds@redhat.com>
612 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
615 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
618 2001-04-04 Zack Weinberg <zackw@stanford.edu>
620 * config.gcc: Remove default for xm_file. Clean up local
621 machine type handling. Remove settings of xm_file to
622 something that doesn't exist. In the big switch, set xm_file,
623 don't append to it (the value before the big switch is always
624 null). Don't force build_xm_file or host_xm_file to have a value.
625 * configure.in: Remove default for xm_file. Do not special
626 case $cpu/xm-$cpu.h not existing.
627 * configure: Regenerate.
629 2001-04-04 Diego Novillo <dnovillo@redhat.com>
631 * simplify-rtx.c (simplify_binary_operation): Check for overflow
632 when folding integer division and modulo operations.
634 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
636 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
637 instead of DWARF2_ADDR_SIZE for EH addresses.
638 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
641 2001-04-04 Richard Henderson <rth@redhat.com>
643 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
644 * config/ia64/t-glibc (LIB2ADDEH): Disable.
645 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
647 2001-04-04 Richard Henderson <rth@redhat.com>
649 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
650 * configure: Rebuilt.
652 2001-04-04 Jakub Jelinek <jakub@redhat.com>
654 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
655 push insns to delete to it instead of deleting them.
656 (delete_null_pointer_checks): Delete insns from delete_list after
657 all delete_null_pointer_checks_1 passes are done.
659 2001-04-04 Richard Henderson <rth@redhat.com>
661 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
662 * configure: Rebuilt.
664 2001-04-04 Zack Weinberg <zackw@stanford.edu>
666 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
667 * config/romp/xm-romp.h: Delete.
669 2001-04-04 Bernd Schmidt <bernds@redhat.com>
671 * sched-deps.c (sched_analyze_insn): Partially revert March 27
674 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
676 * emit-rtl.c (mark_label_nuses) Increment the label uses for
677 all labels present in rtx.
678 (try_split) Call new function for all split insns.
680 2001-04-04 Jakub Jelinek <jakub@redhat.com>
682 * recog.c (validate_replace_rtx_1): Instead of aborting just make
683 sure the change won't be validated.
685 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
687 * rtl.h (set_noop_p): Declare.
688 * flow.c (set_noop_p): Move from here ...
689 * rtlanal.c (set_noop_p): ... to here and enhance.
690 * cse.c (delete_trivially_dead_insns): Use it.
691 * gcse.c (hash_scan_set): Likewise.
692 * jump.c (delete_noop_moves): Likewise.
693 * recog.c (split_all_insns): Likewise.
695 2001-04-04 Alan Modra <alan@linuxcare.com.au>
697 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
698 stack pointer via a LO_SUM. Ditto for setting a temp register
699 used to save to the stack. Set cfa_temp when setting fp, and
700 allow matches to cfa_temp in addition to cfa_store when saving
701 regs. Handle POST_INC and LO_SUM register stores. Document the
702 changes and errors in rule 12 doco.
704 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
705 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
706 (load_reg): Move closer to epilogue code.
707 (DO_FRAME_NOTES): Define to control the following..
708 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
709 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
711 (hppa_expand_epilogue): Likewise.
713 2001-04-03 Richard Henderson <rth@redhat.com>
715 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
716 * configure: Rebuild.
718 2001-04-03 Richard Henderson <rth@redhat.com>
720 * rtl.h (LCT_THROW): New.
721 * calls.c (emit_library_call_value_1): Handle it.
722 * except.c (connect_post_landing_pads): Use it.
724 2001-04-03 Zack Weinberg <zackw@stanford.edu>
726 * gansidecl.h: Delete file.
727 * configure.in: Change all refs to gansidecl.h to use
728 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
730 * configure: Regenerate.
732 * Makefile.in (intl.o): Don't depend on gansidecl.h.
733 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
734 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
735 Don't include gansidecl.h.
736 * intl.c, main.c, version.c, fixinc/fixlib.h,
737 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
740 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
742 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
745 2001-04-03 Zack Weinberg <zackw@stanford.edu>
747 * config/i386/xm-beos.h, config/i386/xm-isc.h,
748 config/i386/xm-next.h, config/i386/xm-sco.h,
749 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
750 config/m88k/xm-m88k.h: Delete.
752 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
753 * config/romp/xm-romp.h: Don't define bcopy.
754 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
755 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
757 * config.gcc: Remove references to deleted files.
759 14 xm-host.h remain, 1 xm-cpu.h.
761 2001-04-03 Jakub Jelinek <jakub@redhat.com>
762 David S. Miller <davem@pierdol.cobaltmicro.com>
763 Andrew MacLeod <amacleod@redhat.com>
765 Use byte offsets in SUBREGs instead of words.
767 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
768 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
769 to pass new argument.
770 (add_stored_regs): Use subreg_regno_offset function.
771 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
773 (precompute_arguments): Use gen_lowpart_SUBREG.
774 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
775 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
776 (simplify_set): Rework to use SUBREG_BYTE.
777 (expand_field_assignment): Use SUBREG_BYTE.
778 (make_extraction): Use SUBREG_BYTE.
779 (if_then_else_cond): Use SUBREG_BYTE.
780 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
781 (gen_lowpart_for_combine): Compute full byte offset.
782 * cse.c (mention_regs): Use SUBREG_BYTE.
783 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
784 (canon_hash): Use SUBREG_BYTE.
785 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
786 (gen_lowpart_if_possible): Formatting.
787 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
789 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
790 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
791 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
792 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
793 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
794 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
795 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
796 certain invariants about SUBREGs the compiler creates.
797 (gen_lowpart_SUBREG): New function.
798 (subreg_hard_regno): New function to get the final register number.
799 (gen_lowpart_common): Use SUBREG_BYTE.
800 (gen_imagpart): Spacing nits.
801 (subreg_realpart_p): Use SUBREG_BYTE.
802 (gen_highpart): Use SUBREG_BYTE.
803 (subreg_lowpart_p): Always compute endian corrected goal offset,
804 even at the byte level, then compare against that.
805 (constant_subword): New function, pulled out all constant cases
806 from operand_subword and changed second argument name to offset.
807 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
808 and call constant_subword to do the work. Return const0_rtx if
809 looking for a word outside of OP.
810 (operand_subword_force): Change second arg name to offset.
811 * expmed.c (store_bit_field): Use SUBREG_BYTE.
812 (store_split_bit_field): Use SUBREG_BYTE.
813 (extract_bit_field): Use SUBREG_BYTE.
814 (extract_split_bit_field): Use SUBREG_BYTE.
815 (expand_shift): Use SUBREG_BYTE.
816 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
817 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
818 * flow.c (set_noop_p): Use SUBREG_BYTE.
819 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
820 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
821 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
823 (optimize_bit_field): Use SUBREG_BYTE.
824 (purge_addressof_1): Use SUBREG_BYTE.
825 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
826 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
827 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
828 * gengenrtl.c (special_rtx): Add SUBREG.
829 * global.c (mark_reg_store): Use SUBREG_BYTE.
830 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
831 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
832 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
833 final byte offset is congruent to subreg's mode size.
834 (subst_constants): Use SUBREG_BYTE.
835 (mark_stores): Use subreg_regno_offset function.
836 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
837 function and SUBREG_BYTE.
838 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
839 (reg_is_born): Use subreg_hard_regno.
840 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
841 endian correction code. Don't combine subregs unless resulting
842 offset aligns with type. Fix subreg constant extraction for DImode.
843 Simplify SUBREG of VOIDmode CONST_DOUBLE.
844 (general_operand): Remove dead mode_altering_drug code.
845 (indirect_operand): Use SUBREG_BYTE.
846 (constrain_operands): Use subreg_regno_offset function.
847 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
848 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
849 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
850 * regs.h (REG_SIZE): Allow target to override.
851 (REGMODE_NATURAL_SIZE): New macro which target can override.
852 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
853 on the entire subreg rtx.
854 (push_reload): Use SUBREG_BYTE in comments and code.
855 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
856 for hard registers inside subregs.
857 (operands_match_p): Use subreg_regno_offset.
858 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
859 containing hard regs.
860 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
861 corrections when fixing up MEM subregs.
862 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
863 subreg_regno_offset where appropriate.
864 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
865 byte endian corrections when fixing up MEM subregs.
866 (subst_reloads): When combining two subregs, make sure final
867 offset is congruent to subreg's mode size.
868 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
869 (refers_to_regno_for_reload_p): Use subreg_regno.
870 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
871 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
872 correction code for memory subreg fixups.
873 (forget_old_reload_1): Use subreg_regno_offset.
874 (choose_reload_regs): Use subreg_regno.
875 (emit_input_reload_insns): Use SUBREG_BYTE.
876 (reload_combine_note_store): Use subreg_regno_offset.
877 (move2add_note_store): Use subreg_regno_offset.
878 * resource.c (update_live_status, mark_referenced_resources): Use
879 subreg_regno function.
880 (mark_set_resources): Use subreg_regno function.
881 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
882 (subreg_regno_offset, subreg_regno): Define prototypes.
883 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
884 (gen_lowpart_SUBREG): Add prototype.
885 * rtl.texi (subreg): Update to reflect new byte offset representation.
886 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
887 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
888 (reg_overlap_mentioned_p): Use subreg_regno.
889 (replace_regs); Make sure final offset of combined subreg is
890 congruent to size of subreg's mode.
891 (subreg_regno_offset): New function.
892 (subreg_regno): New function.
893 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
894 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
895 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
896 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
897 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
898 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
899 (a29k_get_reloaded_address): Use SUBREG_BYTE.
900 (print_operand): Use SUBREG_BYTE.
901 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
902 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
903 (arm_reload_out_hi): Use SUBREG_BYTE.
904 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
905 instead of SUBREG_WORD.
906 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
907 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
908 SUBREG creation to use byte offset.
909 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
910 inverted load insns): Fix explicit rtl subregs to use byte
912 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
913 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
914 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
915 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
917 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
918 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
919 offsets, also make sure it is congruent to SUBREG's mode size.
920 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
921 unnamed ldob insn): Generate SUBREGs with byte offset.
922 (zero_extendqihi2): SUBREG's are byte offsets.
923 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
924 (m68hc11_gen_highpart): Use SUBREG_BYTE.
925 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
926 zero-extendqisi2): Generate SUBREGs with byte offset.
927 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
928 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
929 subregs in rtl to use byte offsets.
930 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
931 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
932 (mips_move_2words): Use subreg_regno_offset.
933 (mips_secondary_reload_class): Use subreg_regno_offset.
934 * config/mips/mips.md (DImode plus, minus, move, and logical op
935 splits): Fixup explicit subregs in rtl to use byte offsets.
936 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
937 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
938 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
939 rtl to use byte offsets.
940 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
941 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
942 subregs to use byte offsets.
943 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
944 Fixup explicit subregs in rtl to use byte offsets.
945 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
946 and remove byte endian correction code.
947 * config/sh/sh.c (output_movedouble): Use subreg_regno.
948 (gen_ashift_hi): Use SUBREG_BYTE.
949 (regs_used): Use subreg_regno_offset.
950 (machine_dependent_reorg): Use subreg_regno_offset.
951 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
952 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
953 (movdf_i4): Subregs are byte offsets now.
954 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
955 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
956 (REGMODE_NATURAL_SIZE): Override.
957 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
958 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
960 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
961 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
962 extendqidi2): Generate SUBREGs with byte offsets, also make sure
963 it is congruent to SUBREG's mode size.
964 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
966 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
967 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
968 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
969 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
970 * config/v850/v850.c (print_operand, output_move_double): Use
971 subreg_regno function.
973 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
975 * configure.in (target_subdir): Use target_alias, not target.
976 * configure: Rebuilt.
978 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
980 * config/sh/crti.asm: Fix typos in comments.
982 2001-04-03 Alan Modra <alan@linuxcare.com.au>
984 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
985 TARGET_FAST_INDIRECT_CALLS.
986 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
988 (return_addr_rtx): Short circuit export stub matching when
989 TARGET_NO_SPACE_REGS.
990 (output_millicode_call): For out of range calls, make -fPIC
991 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
992 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
993 * pa.md: Modify length attr calculation of all millicode insns to
996 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
998 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
999 Require at least 2.11 in the version test. Specifically check
1000 for and reject GAS version 2.10.90.
1001 * configure: regenerate.
1003 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1005 * pa.c (override_options): Remove PIC profiling warning.
1006 (hp_profile_labelno): Delete.
1007 (hp_profile_label_rtx): Delete.
1008 (hp_profile_label_name): Delete.
1009 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1010 (output_function_prologue): Remove profiling code and all tests on
1011 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1012 merge_sp_adjust_with_store can work for PIC and profiling.
1013 (hppa_expand_epilogue): Remove profile_flag test.
1014 (hppa_can_use_return_insn_p): Likewise.
1015 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1016 cater for PROFILE_HOOK.
1017 (hppa_profile_hook): New function.
1018 * pa.h (FUNCTION_PROFILER): Now does nothing.
1019 (PROFILE_HOOK): Define.
1020 (hppa_profile_hook): Declare.
1021 (PROFILE_BEFORE_PROLOGUE): Delete.
1022 (ASM_OUTPUT_REG_PUSH): Delete.
1023 (ASM_OUTPUT_REG_POP): Delete.
1024 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1025 r24. Accept function name operand, and use this and a locally
1026 generated label to calculate pc-rel offset to func start.
1028 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1030 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1031 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1034 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1036 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1037 LO_SUM cases to where they belong.
1039 2001-04-02 Richard Henderson <rth@redhat.com>
1041 * except.h (lang_eh_type_covers): Mark extern.
1042 (lang_eh_runtime_type): Likewise.
1044 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1046 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1047 gengenrtl.c: Wrap generated header in multiple-include guard.
1048 Improve error checking.
1050 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * configure.in: Don't check for putenv.
1053 * configure: Regenerate.
1054 * gcc.c (putenv): Don't define.
1055 * vax/xm-vms.h: Handle putenv.
1057 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1059 * ifcvt.c (noce_emit_move_insn): New.
1060 (noce_try_store_flag, noce_try_store_flag_constants,
1061 noce_try_store_flag_inc, noce_try_store_flag_mask,
1062 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1063 noce_try_abs): Use it.
1064 (noce_process_if_block): Likewise.
1065 For STRICT_LOW_PART, take mode from its SUBREG.
1067 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1069 * fold-const.c (fold): Before optimizing unsigned comparison with
1070 0x7fffffffU, make sure arg0 is integral type.
1072 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1074 * c-tree.texi: Document representation of wide strings.
1076 2001-04-01 Richard Henderson <rth@redhat.com>
1078 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1080 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1082 * i386.md: remove obsoleted comments.
1083 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1084 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1085 fix output template.
1087 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1089 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1091 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1093 * loop.c (load_mems): When generating a load from a pseudo, update
1096 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1098 * i386.c (ix86_split_long_move): Use change address to compensate
1099 stack pointer change in push instruction.
1101 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1103 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1104 instead of rtx_equal_p; fix the output template.
1106 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1108 * i386.c (ix86_expand_setcc): Support 64bit.
1109 (ix86_expand_int_movcc): Likewise.
1110 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1113 * i386.md (allocate_stack_worker): Turn to expander.
1114 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1116 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1118 2001-03-29 Richard Henderson <rth@redhat.com>
1120 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1122 2001-03-28 Matthew Hiller <hiller@redhat.com>
1124 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1127 * MAINTAINERS: Added self.
1129 2001-03-28 Richard Henderson <rth@redhat.com>
1131 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1132 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1134 2001-03-28 Jim Wilson <wilson@redhat.com>
1136 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1139 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1143 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1146 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1148 2001-03-28 DJ Delorie <dj@redhat.com>
1150 * Makefile.in (stage1_build): Revert CFLAGS patch.
1152 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1154 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1155 when multiplier or multiplicand is zero.
1157 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1159 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1161 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1163 (set_src_needs_barrier): Likewise.
1164 (rtx_needs_barrier): For SET case, use these two functions. Rework
1165 PARALLEL case to handle all inputs before all outputs.
1166 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1167 saw a label and no stop bit since then.
1168 (maybe_rotate, process_epilogue): Add prototypes.
1170 2001-03-28 Richard Henderson <rth@redhat.com>
1172 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1173 not TARGET_TOC for special toc restore handling.
1174 * config/rs6000/rs6000.md (eh_return): Likewise.
1176 2001-03-28 Richard Henderson <rth@redhat.com>
1178 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1179 current_function_calls_eh_return.
1180 (output_function_epilogue): Handle eh_return.
1181 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1182 (EH_RETURN_DATA_REGNO): New.
1183 (EH_RETURN_STACKADJ_RTX): New.
1184 (EH_RETURN_HANDLER_RTX): New.
1185 * config/sparc/sparc.md (call/short branch peepholes): Check
1186 can_throw_internal instead of in_same_eh_region.
1188 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1189 for eh_return data registers.
1190 (rs6000_emit_prologue): Save eh_return data registers.
1191 (rs6000_emit_epilogue): Force inline restores if eh_return.
1192 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1193 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1194 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1195 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1196 the target uses one.
1197 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1198 (return_eh_si, return_eh_di): Remove.
1199 (eh_return): New, from corpse of eh_epilogue.
1200 (eh_set_lr_si, eh_set_lr_di): New.
1202 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1203 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1204 True for pic register if current_function_calls_eh_return.
1205 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1206 Handle eh_return requirements.
1207 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1208 (EH_RETURN_STACKADJ_RTX): New.
1209 * config/i386/i386.md (exception_receiver): Remove.
1210 (eh_return, eh_return_1): New.
1211 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1213 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1214 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1215 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1216 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1217 (EH_RETURN_DATA_REGNO): New.
1218 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1219 * config/alpha/alpha.md (eh_epilogue): Remove.
1220 (exception_receiver): Use $26 for ldgp input.
1221 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1223 2001-03-28 Richard Henderson <rth@redhat.com>
1225 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1226 * except.h: Likewise.
1228 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1229 (LIB2ADDEHDEP): New.
1230 (LIB2FUNCS_EH): Remove.
1231 (LIB2ADD): Remove LIB2ADDEH.
1232 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1233 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1234 (crt{begin,end}[S].o): Likewise.
1235 (except.o): Update includes.
1236 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1237 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1239 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1240 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1241 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1242 * builtins.c (expand_builtin): Implement it.
1243 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1244 * c-common.c (c_common_nodes_and_builtins): Declare it.
1245 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1246 * calls.c (libfunc_nothrow): Remove.
1247 (emit_library_call_value_1): Don't call it.
1248 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1249 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1250 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1251 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1252 (current_funcdef_number): Globalize.
1253 (output_call_frame_info): Emit frame data if an lsda is needed.
1254 Generate augmentation for personality routine. Don't play with
1256 (dwarf2out_begin_prologue): Record funcdef_number.
1257 * dwarf2out.h (current_funcdef_number): Declare.
1258 * expr.c (expand_expr): Update for except.h name changes.
1259 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1260 * expr.h (LTI_throw, LTI_rethrow): Remove.
1261 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1262 (LTI_eh_rtime_match): Remove.
1263 (LTI_unwind_resume, LTI_eh_personality): Add.
1264 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1265 * final.c (final): Don't call check_exception_handler_labels,
1266 init_insn_eh_region, or free_insn_eh_region.
1267 (final_scan_insn): Always emit debug labels for
1268 NOTE_INSN_EH_REGION notes.
1269 * flags.h (flag_new_exceptions): Remove.
1270 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1271 (record_active_eh_regions): Remove.
1272 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1273 Use can_throw_internal.
1274 (find_basic_blocks_1): Likewise.
1275 (move_stray_eh_region_notes): Remove.
1276 (find_label_refs): No eh_return_stub_label.
1277 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1278 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1280 (delete_unreachable_blocks): Don't track deleted handlers.
1281 (flow_delete_block): Use maybe_remove_eh_handler.
1282 (delete_eh_regions): Remove.
1283 (merge_blocks): Don't check for eh region match.
1284 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1285 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1286 (init_propagate_block_info): Disable dead frame store optimization
1287 when current_function_calls_eh_return.
1288 (dump_bb): Don't print eh_beg, eh_end.
1289 * function.c (fixup_var_refs): No catch_clauses.
1290 (expand_function_end): Likewise. Call expand_eh_return before
1291 the return register use. Call sjlj_emit_function_exit_after.
1292 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1293 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1294 * ifcvt.c (dead_or_predicable): Remove eh region check.
1295 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1296 Don't check for EH vs parameters.
1297 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1298 (expand_inline_function): Call duplicate_eh_regions.
1299 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1300 (copy_insn_notes): Remap REG_EH_REGION notes.
1301 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1302 * integrate.h (struct inline_remap): Add local_return_label.
1303 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1304 check_exception_handler_labels, nor exception_optimize.
1305 (find_cross_jump): No EH region check.
1306 * optabs.c (init_optabs): Update for changed eh libfuncs.
1307 * rtl.def (RESX): New.
1308 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1309 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1310 checks. Update for except.h name changes.
1311 (expand_cleanups): Likewise.
1312 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1313 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1314 (compile_file): Call init_eh before init_optabs. Don't
1315 output_exception_table here.
1316 (rest_of_compilation): Call convert_from_eh_region_ranges,
1317 convert_to_eh_region_ranges, output_function_exception_table.
1318 Don't emit_eh_context.
1319 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1320 (EXC_PTR_EXPR): New.
1322 * md.texi (eh_epilogue): Remove.
1323 (eh_return): Document.
1324 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1325 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1327 * eh-common.h: Remove file.
1328 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1329 * libgcc2.c (L_eh): Remove.
1331 * unwind-dw2-fde.c: New file, largely copied from frame.c.
1332 * unwind-dw2-fde.h: New file.
1333 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
1334 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
1335 * libgcc-std.ver: Update for eh symbols.
1337 2001-03-27 Richard Henderson <rth@redhat.com>
1339 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
1340 reduce false positives.
1341 (regmove_optimize): Disable if flag_non_call_exceptions.
1343 * stmt.c (expand_return): Remove always true predicate.
1344 (expand_decl_cleanup_no_eh): Remove dead code.
1346 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
1347 barrier code. Add a scheduling barrier if a non-call insn
1348 can throw internally.
1350 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
1351 Auto-inc addresses trap only if their base register does.
1353 * except.c (can_throw_internal): Rename from can_throw.
1354 * except.h, resource.c: Update references.
1356 * integrate.c (copy_insn_list): Use returnjump_p.
1357 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
1359 * function.h (struct function): Move all boolean valued fields
1360 to single bit fields at the end of the struct.
1362 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
1364 Rename asynchronous_exceptions to flag_non_call_exceptions.
1366 * gthr-single.h (UNUSED): New. Distinguish between how C
1367 and C++ mark unused function arguments. Use throughout.
1369 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
1370 value to target configuration header.
1371 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
1372 * config.in, configure: Rebuild.
1373 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
1374 configuration and target defines.
1375 (exceptions_via_longjmp): Remove.
1376 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
1377 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
1379 * except.h (flag_non_call_exceptions): Move ...
1380 * flags.h: ... here.
1382 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
1383 exceptions, put the note on the trapping instruction.
1385 * flags.h (flag_new_exceptions): Remove.
1386 * toplev.c: Don't set it.
1387 * final.c: Don't check it.
1388 * except.c: Provide stub definition.
1390 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
1391 (calculate_global_regs_live): Kill call-clobbered registers
1392 across exception edges.
1393 * reg-stack.c (convert_regs_1): Kill the entire target stack
1394 across non-call exception edges.
1396 * flow.c (cleanup_cfg): Take no argument.
1397 * output.h, sibcall.c, toplev.c: Update all calls.
1399 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1401 * configure.in: Don't check for bcopy.
1402 * configure, config.in: Regenerate.
1404 * system.h: Don't define or prototype bcopy, instead poison it.
1406 2001-03-27 Richard Henderson <rth@redhat.com>
1408 * function.c (expand_function_start): Set DECL_REGISTER on
1409 a pseudo used for DECL_RESULT.
1411 * rtl.h (LCT_NORETURN): New.
1412 * calls.c (emit_library_call_value_1): Handle it.
1414 2001-03-27 Stan Shebs <shebs@apple.com>
1416 * objc/objc-act.c (objc_init): Use dump_base_name.
1417 (gen_declaration): Clear the buffer arg.
1418 (gen_declaration_1): New function, body of gen_declaration.
1419 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
1420 (gen_method_decl): Ditto, plus always clear buffer arg.
1421 (error_with_ivar): Simplify.
1422 (warn_with_method): Ditto.
1423 (build_message_expr): Don't clear buffers.
1424 (dump_interface): Ditto.
1425 (objc_debug): Ditto.
1426 (build_keyword_selector): Clear the buffer by only zeroing
1428 (objc_implementation_context): Declare.
1429 (start_class): Warn about missing @end.
1430 (finish_objc): Ditto.
1432 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1434 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1436 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1438 * Makefile.in (SYSTEM_H): Define.
1439 Depend on $(SYSTEM_H), not system.h.
1441 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
1443 2001-03-27 Jim Wilson <wilson@redhat.com>
1445 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1447 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1448 (process_epilogue): New static function.
1449 (process_set): Call process_epilogue instead of emitting .restore
1451 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1453 * flow.c (struct reg_cond_life_info): New fields orig_condition
1455 (init_propagate_block_info): Set new fields.
1456 (mark_regno_cond_dead): Set and use new fields.
1457 (flush_reg_cond_reg_1): Likewise.
1458 (and_reg_cond, case AND): Check for redundant AND conditions.
1459 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1462 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1464 * cppmacro.c (stringify_arg): Null terminate strings.
1466 2001-03-27 Zack Weinberg <zackw@stanford.edu>
1468 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
1469 inclusion style. xm-m68hc11.h no longer exists.
1470 * config/m68hc11/xm-m68hc11.h: Delete file.
1471 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
1473 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
1474 Don't define GCC_VERSION, N_, or PARAMS; don't include
1475 gansidecl.h or stdio.h. Define inhibit_libc here.
1476 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1477 Delete code conditioned on #if GCC_VERSION == 2095.
1479 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
1480 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
1481 Delete code conditioned on #if GCC_VERSION == 2095.
1483 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1485 * system.h: Include symcat.h.
1486 (STRINGIFY): Don't define.
1488 * configure.in: Adjust comment.
1490 * builtins.c: Use STRINGX, not STRINGIFY.
1491 * gencheck.c: Likewise.
1492 * gengenrtl.c: Likewise.
1493 * protoize.c: Likewise.
1495 * cpplex.c: Don't include symcat.h.
1496 * cpplib.c: Likewise.
1498 * gansidecl.h (HAVE_STRINGIZE): Don't define.
1500 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1502 * c-typeck.c (digest_init): Fold init expression.
1504 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1506 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
1508 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1510 * except.c (eh_regs): Save results of build_pointer_type to a temp
1511 as FUNCTION_VALUE macro may evaluate its args multiple times.
1513 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1515 * c-common.h (DECL_NUM_STMTS): New macro.
1516 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1518 (pushdecl): Likewise.
1519 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1520 * integrate.c (expand_inline_function): Don't check
1522 * print-tree.c (print_node): Don't print it.
1523 * toplev.c (rest_of_compilation): Don't try to inline when
1524 flag_no_inline is on.
1525 * tree.h (DECL_FRAME_SIZE): Remove.
1526 (tree_decl): Adjust accordingly.
1528 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1530 * combine.c (try_combine): Use memcpy, not bcopy.
1532 * genattrtab.c (expand_units): Likewise.
1534 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1536 * i386.md (push mem DI peep2): New.
1537 (mov 0, mov -1 peep2): Handle 64bit.
1538 (lea to arithmetics peep2): Handle 64bit leas.
1539 (rsp arithmetics to push/pop peep2s): New.
1541 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1543 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
1545 * i386.c (struct machine_function): Add save_varrargs_registers.
1546 (ix86_save_varrargs_registers): New macro.
1547 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
1548 (ix86_expand_prologue): Likewise.
1549 (ix86_emit_epilogue_esp_adjustement): Likewise.
1550 (ix86_expand_epilogue): Likewise.
1551 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
1552 (pro_epilogue_adjust_stack_1): New insn.
1553 (pro_epilogue_adjust_stack_rex64): Likewise.
1554 * i386.h (MASK_NO_RED_ZONE): New constant.
1555 (TARGET_RED_ZONE): New macro.
1556 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
1557 (RED_ZONE_SIZE): New constant.
1558 (RED_ZONE_RESERVE): New constant.
1560 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1562 * toplev.c (set_float_handler): Use memcpy, not bcopy.
1564 2001-03-25 Kazu Hirata <kazu@hxi.com>
1566 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1569 (umodhi3): Likewise.
1572 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1574 * mkconfig.sh (DEFINES): Handle entries with '='.
1576 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
1577 Set xm_defines to MACRO=value instead.
1579 * i370/xm-mvs.h: Delete.
1581 * ns32k/xm-pc532-min.h: Likewise.
1583 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1585 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
1587 use ix86_expand_binary_operator
1588 (?sh??i_?): Disable for 64bit.
1589 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
1590 * i386.c (shiftdi_operand): New predicate.
1592 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
1593 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
1594 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
1595 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
1596 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
1597 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
1598 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
1599 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
1600 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
1601 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
1602 (rotldi3, rotrdi3): New expanders.
1604 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1606 * i386.md (movstrsi): Move offline.
1608 (strmovdi_rex64): New.
1609 (strmov?i): Accept 64bit.
1610 (strmov?i_rex64): New.
1611 (strmov?i_rex_1): New.
1612 (strmov?i_1): Disable for 64bit.
1613 (rep_mov?i_rex64): New.
1614 (rep_mov?i): Disable for 64bit.
1615 (clrstrsi): Move offline.
1616 (strset?i_rex64): New.
1617 (strset?i: Accept 64bit.
1618 (rep_stos?i): Disable for 64bit.
1619 (rep_stos?i_rex64): New.
1620 (strset?i_rex_1): New.
1621 (strset?i_1): Disable for 64bit.
1622 (cmpstrsi): Accept 64bit.
1623 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
1624 (cmpstrqi_nz_rex_1): New.
1625 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
1626 (strlensi): Move offline.
1628 (strlenqi_1): Disable for 64bit; fix constraints.
1629 (strlenqi_rex_1): New.
1630 * i386.c (ix86_adjust_counter): New static function.
1631 (ix86_zero_extend_to_Pmode): Likewise.
1632 (ix86_expand_aligntest): Likweise.
1633 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
1634 (ix86_expand_movstr): New global function.
1635 (ix86_expand_clrstr): New global function.
1636 (ix86_expand_strlen): New global function.
1637 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
1638 ix86_expand_strlen): Declare.
1639 (ix86_expand_strlensi_unroll_1): Delete.
1641 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
1643 * i386.md (cmpdi): Fix operand predicates.
1644 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
1645 cmpdi_1_insn_rex64): New patterns.
1646 (adddi3): Turn to expander.
1647 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
1648 (addsi3_carry_zext): New pattern.
1649 (adddi_?_rex64): New patterns and splitters.
1650 (addsi_?_zext): New patterns.
1651 (subsi3_carry_zext): New pattern.
1652 (subdi_?_rex64): New patterns and splitters.
1653 (iorsi_?_zext): New patterns.
1654 (iordi_?_rex64): New patterns and splitters.
1655 (iorsi_?_zext): New patterns.
1656 (iorsi_?_zext_imm): New patterns.
1657 (xorsi_?_zext): New patterns.
1658 (xordi_?_rex64): New patterns and splitters.
1659 (xorsi_?_zext): New patterns.
1660 (negdi*): New patterns.
1661 (one_cmpldi*): Likewise.
1662 (one_cmplsi*_zext, negsi*_zext): Likewise.
1663 (testqi_ext_3_rex64): New pattern.
1665 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
1667 * i386-protos.h (ix86_split_long_move): Return void.
1668 * i386.c (ix86_split_to_parts): Handle 64bit target.
1669 (ix86_split_long_move): Likewise.
1670 * i386.md (all calls to ix86_split_long_move): Update.
1672 2001-03-23 Richard Henderson <rth@redhat.com>
1674 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1675 to avoid shadowing arguments.
1677 2001-03-23 Jakub Jelinek <jakub@redhat.com>
1679 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1680 to variable names where DECL_NAME is different from
1681 DECL_ASSEMBLER_NAME.
1683 2001-03-23 Jim Wilson <wilson@redhat.com>
1685 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1686 (assemble_alias): Call make_decl_rtl.
1688 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
1690 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
1692 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1694 * extend.texi: Document the "java_interface" attribute.
1696 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1698 * mkconfig.sh: Use a subshell with redirected stdout,
1699 instead of closing stdout and confusing commands that run
1700 afterward. Throw away output of cmp.
1702 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1704 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1706 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
1708 * i386.md (zero_extendsidi2_32): Break out from ...
1709 (zero_extendsidi2): ... here ; turn to expander.
1710 (zero_extendsidi2_rex64): New.
1711 (extendsidi2_32): Break out from ...
1712 (extendsidi2): ... here ; turn to expander.
1713 (extendsidi2_rex64): New.
1714 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
1715 (trunc?f?f splitters): Add 64bit versions.
1717 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
1719 * i386.md (pushsi, pushsi2_prologue): Disable.
1720 (pushsi2_rex64): New.
1721 (movabs?i_1_rex64, movabs?i_2_rex64): New.
1722 (movqi_ext_1): Disable for 64bit.
1723 (movqi_ext_1_rex64): New.
1724 (pushdi2_rex64): New pattern, peep2s and splitter.
1725 (pushdi2_prologue_rex64): New pattern.
1726 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
1728 (movdi splitters): Disable for 64bit.
1729 (movdi_1_rex64): New pattern, peep2s and splitters.
1730 (swapdi): New pattern.
1731 (pushsf): Disable for 64bit.
1732 (pushsf_rex64): New pattern and splitter.
1733 (pushdf_nointeger): Disable for 64bit.
1734 (pushdf_integer): Handle the 64bit case.
1735 (pushtf): Likewise; update splitters.
1737 2001-03-22 Richard Henderson <rth@redhat.com>
1739 * mkconfig.sh: Include insn-flags.h.
1740 * Makefile.in (CONFIG_H): Include insn-flags.h.
1741 (lots of objects): Remove insn-codes.h and insn-flags.h.
1743 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
1744 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
1745 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
1746 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
1747 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
1748 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
1749 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
1750 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
1751 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
1752 v850/v850.c, vax/vax.c:
1753 Don't include insn-flags.h.
1755 * diagnostic.c, expr.h, reload.c, toplev.c:
1756 Don't include insn-codes.h.
1758 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
1759 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
1760 c4x/c4x.c, i960/i960.c, mips/mips.c:
1761 Don't include insn-codes.h or insn-flags.h.
1763 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
1764 or insn-flags.h in the generated code.
1765 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
1766 (main): Forward declare struct rtx_def.
1768 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1770 * invoke.texi (-ffast-math): Remove duplicate line about
1773 * gcc.texi: Remove more obsolete documentation of bugs and
1774 installation problems.
1776 2001-03-21 Kazu Hirata <kazu@hxi.com>
1778 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1781 2001-03-20 Jason Merrill <jason@redhat.com>
1783 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1785 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1786 * varasm.c (CHKR_PREFIX): Likewise.
1788 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1790 * gcse.c (hash_scan_set): An expression is not anticipatible if it
1791 is part of a multi-SET insn.
1793 * cse.c (find_comparison_args): Remove previous change.
1794 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1797 * config/i386/i386.md (conditional_trap): Remove warning.
1799 * recog.c (push_operand): Fix error in last change that caused
1800 undefined symbol on many targets.
1802 * sdbout.c: #include ggc.h.
1803 (sdbout_init): Move to end of file.
1804 Call ggc_add_tree_root for anonymous_types.
1805 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1806 (sdbout_one_type): Use DECL_NAME for field name.
1807 * Makefile.in (sdbout.o): Show includes ggc.h.
1809 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
1811 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
1812 (override_options): Use properlimits for preferred_stack_boundary.
1813 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
1815 (ext_register_operand): Accept DImode.
1816 (load_pic_register): Abort on 64bit.
1817 (gen_push): Use Pmode instead of SImode.
1818 (ix86_save_reg): Pic reg is never used on 64bit.
1819 (ix86_expand_prologue): Likewise.
1820 (ix86_emit_save_regs): Use Pmode instead of SImode.
1821 (legitimate_address_p): Check displacement for 64bit.
1822 (print_operand): Avoid outputting of (%rip) on 64bit.
1823 (print_operand_address): Output (%rip) where possible.
1824 (split_di): Abort on 64bit registers.
1825 (ix86_expand_branch): DImode comparison is simple for x86_64.
1826 (memory_address_length): Recognize memory addresses formed using
1828 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
1830 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
1832 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
1834 * recog.c (push_operand): Recognize new format of push instructions.
1836 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
1838 * i386.md (pushqi1): New.
1839 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
1840 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1841 x86_64_immediate_operand, x86_64_immediate_operand,
1842 x86_64_zext_immediate_operand): Declare.
1843 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
1844 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
1845 x86_64_immediate_operand, x86_64_immediate_operand,
1846 x86_64_zext_immediate_operand): define.
1847 * i386.h (PREDICATE_CODES): Add new predicates.
1849 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
1851 * i386.md (pophi1, popqi1, pushqi1): Remove.
1853 * expr.c (emit_single_push_insn): New function.
1854 (move_by_pieces): Accept NULL as destination for push instructions.
1855 (gen_push_operand): Kill.
1856 (emit_push_insn): Pass NULL when pushing; avoid updating of
1857 stack_pointer_delta.
1858 * expr.h (gen_push_operand): Kill.
1860 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1862 * rtl.texi (COMPARE): Clarify documentation and reference section
1865 2001-03-20 Stan Shebs <shebs@apple.com>
1867 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
1868 (get_object_reference): Ditto.
1869 (error_with_ivar): Use error_with_file_and_line.
1870 (warn_with_method): Use warning_with_file_and_line.
1872 2001-03-20 Tom Tromey <tromey@redhat.com>
1874 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1876 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1878 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1879 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1881 2001-03-20 DJ Delorie <dj@redhat.com>
1883 * Makefile.in (install-libgcc): Pass complete list of variables.
1884 (install-multilib): Ditto.
1886 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1888 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1889 drectve_section, switch_to_section.
1891 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1892 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1893 i386_pe_mark_dllimport.
1895 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1897 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1898 functions i386_pe_*.
1900 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1901 i386_pe_* functions with char * arguments.
1903 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1905 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1907 (movsi_ie): Introduce fpul store.
1909 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1911 * Makefile.in (OBJS): Remove hashtab.o.
1913 2001-03-19 Stan Shebs <shebs@apple.com>
1915 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
1916 * c-lang.c (maybe_objc_method_name): Ditto.
1917 * c-tree.h (maybe_objc_method_name): Remove decl.
1919 2001-03-19 Tom Tromey <tromey@redhat.com>
1921 * gcc.c (init_gcc_specs): Fix comment.
1923 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1925 Compute DECL_ASSEMBLER_NAME lazily.
1926 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1927 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1928 (SET_DECL_ASSEMBLER_NAME): Likewise.
1929 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1930 (set_decl_assembler_name): Declare.
1931 (lang_set_decl_assembler_name): Likewise.
1932 * tree.c (lang_set_decl_assembler_name): New variab.e
1933 (set_decl_assembler_name): New function.
1934 (init_obstacks): Set lang_set_decl_assembler_name.
1935 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1936 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1937 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1938 where it's not necessary.
1939 (builtin_function): Likewise.
1940 (finish_decl): Likewise.
1941 * dbxout.c (dbxout_type_methods): Likewise.
1942 * ggc-common.c (ggc_mark_trees): Likewise.
1943 * profile.c (output_func_start_profiler): Likewise.
1944 * varasm.c (make_decl_rtl): Likewise.
1946 * cse.c (find_comparison_args): Update documentation. Fix
1947 mishandling of COMPARE operations.
1949 * tree.def (ABS_EXPR): Add documentation.
1950 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1952 2001-03-19 Zack Weinberg <zackw@stanford.edu>
1954 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
1956 2001-03-19 Jakub Jelinek <jakub@redhat.com>
1958 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1959 Remove ia32 linux PIC kludge and move it...
1960 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1962 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
1964 * i386.md (absdf2 expander): Fix 64bit case.
1966 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
1968 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1970 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1972 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1974 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1976 * README.X11: Remove obsolete file.
1978 2001-03-18 Anthony Green <green@redhat.com>
1980 * config/pj/pj.h: Remove some trailing commas.
1981 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1983 2001-03-18 Richard Henderson <rth@redhat.com>
1985 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1986 * calls.c: ... here.
1987 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1988 defaults for them here.
1990 2001-03-17 Anthony Green <green@redhat.com>
1992 * config/pj/lib1funcs.S: Fix broken comment.
1993 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1996 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1998 * gcc.texi: Remove obsolete information relating to build and
1999 installation problems with enquire or the Pyramid C compiler.
2001 2001-03-17 Richard Henderson <rth@redhat.com>
2003 * dwarf2out.c (queue_reg_save): New.
2004 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2005 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2007 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2008 (cfa, cfa_store, cfa_temp): Make static.
2009 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2011 2001-03-17 Richard Henderson <rth@redhat.com>
2013 * integrate.h (struct inline_remap): Add local_return_label.
2014 * integrate.c (expand_inline_function): Initialize it and emit
2015 it after copy_insn_notes.
2016 (copy_insn_list): Don't store local_return_label here.
2017 (copy_insn_notes): New function split out from copy_insn_list.
2019 2001-03-17 Richard Henderson <rth@redhat.com>
2021 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2022 is generating .debug_line.
2023 (dwarf2out_init): Add main_input_filename to the file table first.
2024 * configure.in (as_dwarf2_debug_line): Test with file number 1
2025 instead of file number 0.
2027 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2029 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2030 (gen_rtx_combine): Deleted; all references changed as appropriate.
2031 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2033 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2035 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2037 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2040 2001-03-16 Jim Wilson <wilson@redhat.com>
2042 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2043 then set it to LOC_REG (79) instead of aborting.
2045 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2047 * gccbug.in: Remove high priority.
2049 2001-03-16 Richard Henerson <rth@redhat.com>
2051 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2052 output with a space instead of deleting it.
2053 * configure: Regenerate.
2055 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2057 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2058 handles the gory details of converting an object file into
2059 something that's safe to grep.
2060 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2061 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2062 newlines at either end of the string we're looking for.
2063 Make 'checking ...' message less stilted.
2064 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2065 ARM in-memory layout and its hypothetical converse. Don't
2066 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2067 HOST_WORDS_BIG_ENDIAN.
2069 * configure.in: Adjust for renamed macro. Move
2070 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2071 * configure, config.in: Regenerate.
2073 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2075 * fixinc/Makefile.in: Set SHELL.
2077 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2079 * fixinc/fixincl.c (fix_with_system): Quote file names before
2080 passing them to shell.
2082 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2084 * Makefile.in: Use fix-header$(build_exeext) instead
2087 2001-03-16 Richard Henderson <rth@redhat.com>
2089 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2090 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2091 (size_of_line_prolog): Remove.
2092 (output_line_info): Compute prologue size via label difference.
2093 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2095 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2096 assembler error when redefining file numbers.
2097 * config.in, configure: Rebuild.
2099 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2100 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2101 (dw2_asm_output_delta_uleb128): Likewise.
2102 (dw2_asm_output_delta_sleb128): Similarly.
2103 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2105 2001-03-16 Michael Meissner <meissner@redhat.com>
2107 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2109 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2111 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2113 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2114 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2115 being unsigned in ISO C and signed in traditional.
2116 (expand_prologue): Ditto.
2117 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2119 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2121 (divsi3,divdi3): Ditto.
2122 (modsi3,moddi3): Ditto.
2123 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2124 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2125 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2128 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2130 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2131 SSE based conditional moves on LTGT/UNEQ conditions;
2132 Canonicalize EQ to NE.
2133 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2134 (sse_mov?fcc_ne): New.
2136 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2138 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2140 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2141 register may be dead.
2143 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2145 * Makefile.in (hash.o): Depend on CONFIG_H.
2147 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2149 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2151 2001-03-15 Richard Henderson <rth@redhat.com>
2153 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2154 (ASM_OUTPUT_DWARF_PCREL): New.
2155 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2157 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2159 * cppfiles.c (stack_include_file): Use MAX of sysp.
2161 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2163 * config.gcc (ia64*-*-hpux*): New case.
2164 * config/ia64/hpux.h: New file for HP-UX support.
2165 * config/ia64/t-hpux: New file for HP-UX support.
2167 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2169 * fixinc/inclhack.def (irix_stdio_va_list): New.
2170 * fixinc/fixincl.x: Rebuilt.
2172 2001-03-15 Richard Henderson <rth@redhat.com>
2174 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2175 if provided by the target.
2176 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2177 (dw2_asm_output_addr): New.
2178 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2179 * dwarf2out.c (output_cfi): Use it for program addresses.
2180 (output_call_frame_info, output_die): Likewise.
2181 (output_aranges, output_line_info): Likewise.
2183 2001-03-15 Bruce Korb <bkorb@gnu.org>
2185 * gcc.c(main): make more rigorous
2186 * collect2.c(main): guard against ignoring SIGCHLD
2187 * protoize.c(main): ditto
2188 * gcc/fixinc/fixincl.c(initialize): ditto
2190 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2192 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2193 (sdbout_parms): Likewise.
2195 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2197 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2198 "widen" a destination that is already wider than a word. Also do
2199 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2201 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2203 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2205 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2207 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2209 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2211 * i960.h (i960_maxbitalignment,
2212 i960_last_maxbitalignment): Declare.
2213 * i960.c (i960_maxbitalignment,
2214 i960_last_maxbitalignment): Make global.
2215 (process_pragma): Delete.
2216 (i960_pr_align, i960_pr_noalign): Move from here ...
2217 * i960-c.c: ... to this new file.
2218 * t-960bare (i960-c.o): New rule.
2219 * t-vxworks960 (i960-c.o): Likewise.
2220 * config.gcc (i960-*-*): Define c_target_objs and
2223 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2225 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2226 without adding in rtx code and mode.
2228 * alias.c (init_alias_analysis): Don't use any rtx whose value
2229 varies as a known value.
2230 Delete a superfluous test.
2232 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2234 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2235 scheduling a stop bit.
2236 (ia64_emit_nops): Correctly handle ASMs.
2238 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2240 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2242 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2244 * cpp.texi: Update documentation for -include and -imacros.
2245 * cppfiles.c (struct include_file): Remove "defined" memeber.
2246 (find_or_create_entry): Make a copy of the file name, and
2248 (open_file): Update to ensure we use the simplified filename.
2249 (stack_include_file): Don't set search_from.
2250 (cpp_included): Don't simplify the path name here.
2251 (find_include_file): New prototype. Call search_from to
2252 get the start of the "" include chain. Don't simplify the
2254 (_cpp_execute_include): New prototype. Move diagnostics to
2255 do_include_common. Update.
2256 (_cpp_pop_file_buffer): Don't set defined.
2257 (search_from): New prototype. Use the preprocessor's cwd
2258 for files included from the command line.
2259 (read_name_map): Don't simplify the pathname here.
2260 * cpphash.h (enum include_type): New.
2261 (struct buffer): Delete search from. New search_cached.
2262 (_cpp_execute_include): Update prototype.
2263 * cppinit.c (do_includes): Use _cpp_execute_include.
2264 * cpplib.c (do_include_common): New function.
2265 (do_include, do_include_next, do_import): Use it.
2267 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2269 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2270 contents of the RTL, to determine the name of the object.
2272 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2274 * tree.h (DECL_RTL): Allocate RTL lazily.
2275 (SET_DECL_RTL): New macro.
2276 (DECL_RTL_SET_P): Likewise.
2277 (COPY_DECL_RTL): Likewise.
2278 (DECL_RTL_IF_SET): Likewise.
2279 * varasm.c (make_decl_rtl): Add assertions about the kind of
2280 declaration we are processing.
2281 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2282 (start_decl): Likewise.
2283 (finish_decl): Likewise.
2284 * c-semantics.c (emit_local_var): Likewise.
2285 * calls.c (expand_call): Likewise.
2286 * dbxout.c (dbxout_symbol): Likewise.
2287 * emit-rtl.c (unshare_all_rtl): Likewise.
2288 (unshare_all_decls): Likewise.
2289 (reset_used_decls): Likewise.
2290 * expr.c (store_constructor): Likewise.
2291 (safe_from_p): Likewise.
2292 (expand_expr): Likewise.
2293 * function.c (put_var_into_stack): Likewise.
2294 (instantiate_decls_1): Likewise.
2295 (assign_parms): Likewise.
2296 (expand_function_start): Likewise.
2297 (expand_function_end): Likewise.
2298 * ggc-common.c (gcc_mark_trees): Likewise.
2299 * integrate.c (function_cannot_inline_p): Likewise.
2300 (copy_decl_for_inlining): Likewise.
2301 (expand_inline_function): Likewise.
2302 (integrate_parm_decls): Likewise.
2303 (integrate_decl_tree): Likewise.
2304 * print-tree.c (print_node): Likewise.
2305 * reg-stack.c (stack_result): Likewise.
2306 * stmt.c (label_rtx): Likewise.
2307 (expand_return): Likewise.
2308 (expand_decl): Likewise.
2309 (expand_decl_cleanup): Likewise.
2310 (expand_anon_union_decl): Likewise.
2311 * toplev.c (check_global_declarations): Likewise.
2312 (rest_of_decl_compilation): Likewise.
2313 * tree.c (simple_cst_equal): Likewise.
2314 * objc/objc-act.c (generate_static_references): Likewise.
2316 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2318 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2319 gcc_AC_C_FLOAT_FORMAT): New macros.
2320 * configure.in: Add AC_PROG_CPP after CC tests;
2321 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2322 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2323 * configure, config.in: Regenerate.
2325 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2326 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2327 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2328 config/i370/xm-linux.h, config/i370/xm-oe.h,
2329 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2330 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
2331 config/pa/xm-linux.h, config/pa/xm-pa.h,
2332 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
2333 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
2334 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
2335 config/we32k/xm-we32k.h: Delete.
2337 * config/i370/xm-mvs.h, config/m88k/m88k.h,
2338 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2339 config/vax/xm-vms.h: Don't define any of:
2340 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
2342 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
2344 * config.gcc: Remove references to deleted files.
2345 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
2346 FATAL_EXIT_CODE, which is the same between oe and mvs).
2348 2001-03-14 DJ Delorie <dj@redhat.com>
2349 Vladimir Makarov <vmakarov@redhat.com>
2351 * config/i960/i960.c (i960_function_prologue): Compute size of
2352 frame according to number of registers actually saved there.
2354 2001-03-14 Richard Henderson <rth@redhat.com>
2356 * expr.c (emit_move_insn_1): Fix else if around #endif.
2358 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
2361 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
2364 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
2366 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
2367 (override_options): Parse cmodel string.
2368 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
2369 * i386.h (TARGET_OPTIONS): Add "cmodel".
2370 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
2372 (ix86_cmodel_string, ix86_cmodel): Declare.
2374 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
2377 * i386.h (GENERAL_REG_P): Add missing REG_P.
2379 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2381 * configure.in: Use $gcc_cv_as instead of $as.
2382 * configure: Regenerated.
2384 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
2386 * cppfiles.c (stack_include_file): Only increase the include
2387 count if we actually process the file properly, as opposed
2388 to treating it as length zero. Only call read_include_file
2389 if not DO_NOT_REREAD. Handle the -H include file output
2391 (read_include_file): Remove now redundant DO_NOT_REREAD check.
2392 (cpp_included, find_include_file): Simplify pathnames after
2393 remapping them. If remapping, don't use the remapped file
2394 name's buffer as our scratch buffer.
2395 (cpp_pop_file_buffer): Replace the multiple include macro
2396 only if it isn't yet set.
2397 (read_name_map): Simplify remapped names when reading in.
2398 (remap_filename): Move code to code path that uses it.
2399 (_cpp_simplify_pathname): Return the input pointer.
2400 * cpphash.h (_cpp_simplify_pathname): Update prototype.
2402 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2404 * expr.c (expand_expr): Revove bogus conditional.
2406 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
2408 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
2410 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2412 * reg-stack.c (stack_result): Unconditionally use
2413 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2415 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
2417 * expr.c (emit_move_insn_1): Split push of complex value when
2418 no suitable push instruction exist.
2420 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
2421 instead of QI_REG_P.
2423 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2425 * alias.c (handled_component_p, can_address_p): New functions.
2426 (get_alias_set): Use them.
2428 2001-03-13 Jim Wilson <wilson@redhat.com>
2430 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2431 from 80 in try_locals code.
2432 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2434 2001-03-13 Zack Weinberg <zackw@stanford.edu>
2436 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
2437 gcc_AC_C_LONG_LONG): New.
2438 * configure.in: Use them. Probe the size of short, int, long,
2439 and long long/__int64 if we have them. Move all the AC_C_*
2440 checks together, except gcc_AC_C_CHAR_BIT which has to go
2441 after AC_CHECK_HEADERS(limits.h).
2442 Take hwint.h out of host_xm_file and build_xm_file.
2444 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
2445 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
2446 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
2447 Move the HOST_WIDEST_INT setup logic here from system.h.
2448 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
2450 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
2451 is now handled by hwint.h.
2453 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
2454 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
2455 config/ia64/xm-ia64.h: Don't define any of:
2456 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
2457 HOST_BITS_PER_LONGLONG.
2459 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
2460 config/h8300/xm-h8300.h, config/mips/iris6.h,
2461 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
2462 config/sparc/xm-sp64.h: Delete.
2463 * config.gcc: Remove references to deleted files.
2465 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
2466 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
2467 * config/i370/xm-linux.h: Clarify floating-point situation in
2470 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
2472 * cppfiles.c (NO_INCLUDE_PATH): New macro.
2473 (find_include_file): Decide here which part of the include
2474 chain to start the search. Complain about an empty include
2475 chain in all cases apart from an abolsute file name.
2476 (_cpp_execute_include): Don't choose the search chain here.
2477 Don't call handle_missing_include in the case of an empty
2479 (_cpp_compare_file_date): Don't choose the search chain here.
2480 * cpplib.c (do_include_next): Move the in-main-file diagnostic
2481 here from _cpp_execute_include. Behave like #include if
2482 we're in the main file.
2484 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2486 * system.h (malloc, realloc, calloc, strdup): Only poison these
2487 tokens when IN_GCC is defined.
2489 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
2491 * i386.md (abs?f expander): Support SSE case.
2492 (abd?f_if): Add new "USE"; add splitters.
2494 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2496 * cpp.texi (poison): Explain the macro expansion exception.
2498 2001-03-13 Jakub Jelinek <jakub@redhat.com>
2500 * expr.c (store_expr): Add dont_store_target. If temp is already in
2501 target before copying to reg, don't store it into target again.
2503 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2505 * cppinternals.texi: Update for file handling.
2507 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2509 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
2510 2001-02-24 which broke building the Java library.
2511 * function.c (identify_blocks): Likewise.
2512 (all_blocks): Likewise.
2513 * integrate.c (integrate_decl_tree): Likewise.
2514 * print-tree.c (print_node): Likewise.
2515 * tree.h (BLOCK_NUMBER): Likewise.
2516 (struct tree_block): Likewise.
2518 2001-03-12 David Edelsohn <edelsohn@gnu.org>
2520 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
2521 __WCHAR_TYPE__ definition.
2522 (WCHAR_TYPE_SIZE): #undef before #define.
2524 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2526 * cppfiles.c: Update comments.
2527 (destroy_include_file_node): Rename destroy_node.
2528 (find_or_create_entry): New function.
2529 (open_file, _cpp_fake_include): Use it.
2530 (handle_missing_header): New function, broken out of
2531 _cpp_execute include. Don't segfault if there is no
2532 system or quoted path.
2533 (_cpp_execute_include): Use handle_missing_header.
2535 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
2537 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
2538 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
2540 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2542 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2543 unless anti_dependence says they are.
2544 * alias.c (objects_must_conflict): If neither has a type specified,
2547 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2548 David Billinghurst <David.Billinghurst@riotinto.com>
2550 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2552 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
2554 * i386.md (trunctfdf2_2): Rename missnamed pattern.
2555 (*_one_bit): Remove type on the match_operand in attributes.
2557 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
2559 * i386.c: Commit forgotten hunk in previous patch.
2560 (regclass_map): Add extended registers.
2561 (dbx_register_map): Add missing frame register.
2563 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
2565 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
2567 * i386.md (x86_sahf_1): Disable for 64bit.
2568 (popsi*, pophi*): Likewise.
2569 (pushqi, pushhi): Likewise.
2570 (movdi, pushdi): Likewise.
2571 (zero extend DImode splitter): Likewise.
2572 (adddi, minusdi splitter): Likewise.
2573 (umulsidi): Likewise.
2575 (mulsidi): Disable for 64bit
2576 (lshift:DI/ashift:DI): Disable for 64bit.
2577 (loop patterns): Likewise.
2578 (call_pop, call_value_pop expanders and patterns): Likewise.
2579 (prologue_get_pc): Likewise.
2581 (fcmovDI pattern and splitter): Likewise.
2582 (movdfcc_1_rex64): New.
2584 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
2586 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
2587 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
2588 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
2589 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
2590 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
2591 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
2592 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
2593 (PUSH_ROUNDING): x86_64 rounds to 64bits.
2594 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
2595 (REGPARM_MAX): Set to 6 for x86_64.
2596 (SSE_REGPARM_MAX): Set to 16 for x86_64.
2597 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
2600 * (patterns that does use upper halves): Update constraints
2601 'q' to 'Q' and 'r' to 'R'.
2602 (cmpqi_ext_1): Disable for 64bit.
2603 (cmpqi_ext_3_insn): Likewise.
2604 (movqi_extzv_1): Likewsie.
2605 (addqi_ext_1): Liekwsie
2606 (testqi_ext_1): Liekwsie
2607 (andqi_ext_1): Liekwsie
2608 (xorqi_ext_1): Liekwsie
2609 (cmpqi_ext_1_rex64): New.
2610 (cmpqi_ext_3_insn_rex64): Likewise.
2611 (movqi_extzv_1_rex64): Likewsie.
2612 (addqi_ext_1_rex64): Liekwsie
2613 (testqi_ext_1_rex64): Liekwsie
2614 (andqi_ext_1_rex64): Liekwsie
2615 (xorqi_ext_1_rex64): Liekwsie
2617 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2619 * configure.in: Move check for unsigned enumerated bitfields
2620 to macro in aclocal.m4. Disable it for now.
2621 * configure, config.in: Regenerate.
2622 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
2623 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
2624 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
2625 kind above its first use.
2627 * config/xm-interix.h, config/alpha/xm-alpha.h,
2628 config/i370/xm-linux.h, config/i386/xm-beos.h,
2629 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
2630 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2631 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
2632 Don't define ONLY_INT_FIELDS under any circumstances.
2634 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
2636 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2637 config/sparc/xm-sysv4.h: Delete - now identical with some
2639 * config.gcc (hppa targets): Replace xm-pahpux.h and
2640 xm-papro.h with implicit xm-pa.h.
2641 (sparc targets): Replace xm-sysv4.h with implicit or explicit
2644 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2646 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2647 before reload_cse_noop_set_p.
2649 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2651 * config.gcc: Where xm-host.h used to include another
2652 xm-host.h, list the nested header directly in xm_file. Remove
2653 references to deleted files. Can now use sparc/xm-sp64.h for
2656 * config/xm-linux.h, config/arm/xm-linux.h,
2657 config/i386/xm-dos.h, config/i386/xm-gnu.h,
2658 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
2659 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
2660 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
2661 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
2664 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
2665 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
2666 bother to wrap #undef in #ifdef.
2667 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
2668 Don't include xm-linux.h.
2669 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
2671 * configure.in: Wrap regexps using [] in changequote block.
2672 Use expr : not echo | grep. Simplify regexps.
2673 * configure: Regenerate.
2675 56 xm-files remain, 22 xm-arch.
2677 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2679 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
2680 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2681 (local_index, local_rindex): Delete, use strchr/strrchr instead.
2682 (copy_object): Fix format specifier vs argument mismatch.
2684 * mips-tdump.c: Make local functions static.
2685 (rindex): Don't #undef.
2686 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
2687 (fatal, fancy_abort): Delete.
2688 (read_seek): Avoid signed/unsigned compare.
2690 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2692 * combine.c (try_combine): Fix error in change to try original
2694 (gen_rtx_combine): Do same as gen_rtx for now.
2696 2001-03-11 Zack Weinberg <zackw@stanford.edu>
2698 * configure.in: AC_SUBST xm_defines.
2699 * configure: Regenerate.
2700 * Makefile.in: Set DEFINES=$(xm_defines) when building
2703 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
2705 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
2706 (cpp_included, find_include_file): Update.
2707 (_cpp_compare_file_date): Make else unconditional.
2709 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
2711 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2713 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2715 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2716 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2718 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
2720 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2721 if it's a record type.
2723 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2725 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2726 mingw includes slightly.
2728 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
2731 #undef token before poisoning it.
2733 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2735 * alpha.c (check_float_value): Use memcpy, not bcopy.
2737 * m32r.c (m32r_sched_reorder): Likewise.
2739 * vax.c (check_float_value): Likewise.
2741 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2743 * toplev.c (file_name_nondirectory): Remove.
2744 * toplev.h: Similarly.
2745 * dwarf2out.c (compute_section_prefix): Use lbasename instead
2746 of file_name_nondirectory.
2748 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2750 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
2751 * mips-tfile.c: Don't #undef rindex; not used.
2753 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
2755 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
2756 (dbx64_register_map): Declare.
2757 (RETURN_ADDR_RTX): Fix for 64bit.
2758 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
2759 (INCOMING_FRAME_SP_OFFSET): Set to 8.
2760 * i386.c (dbx64_register_map): New global array.
2761 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
2762 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
2765 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
2767 * cppfiles.c (search_from): Use lbasename.
2768 * mkdeps.c (deps_add_default_target): Use lbasename.
2770 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
2773 xcalloc in lieu of malloc, realloc & calloc.
2775 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
2777 * gengenrtl.c (xmalloc): Likewise.
2779 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
2780 really_call_* memory allocation routines.
2782 * stmt.c (check_for_full_enumeration_handling): Use
2783 really_call_calloc, not calloc.
2785 * system.h (really_call_malloc, really_call_calloc,
2786 really_call_realloc): Define.
2787 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
2789 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
2791 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2793 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2795 * configure: Rebuilt.
2796 * configure.in: Only use `lang_requires' for languages athat are
2799 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
2801 * invoke.texi: Fix typo.
2802 * gcc.1: Regenerate.
2804 2001-03-09 Zack Weinberg <zackw@stanford.edu>
2806 * configure.in: Prune nonexistent files from build_xm_file,
2807 xm_file, and host_xm_file lists. Warn unless they're
2809 Don't generate *config.h here.
2810 AC_SUBST all variables needed to generate *config.h.
2811 * configure: Regenerate.
2812 * mkconfig.sh: New helper script, from code removed from
2814 * Makefile.in: Zap all MALLOC variables - no longer used
2815 anywhere, and malloc.c doesn't exist.
2816 Substitute in variables needed to generate *config.h.
2817 Stop lying about the dependencies contained in CONFIG_H and
2819 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
2820 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
2821 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
2822 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
2823 $(TM_P_H), etc. as appropriate.
2825 * config.gcc: Zap references to deleted files.
2826 * ggc-none.c: Don't include rtl.h or tm_p.h.
2828 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
2829 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
2830 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
2831 config/i386/xm-linux.h, config/i386/xm-linux.h,
2832 config/i386/xm-next.h, config/i386/xm-openbsd.h,
2833 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
2834 Don't include i386/xm-i386.h.
2836 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
2837 config/i386/xm-i386.h, config/i860/xm-i860.h,
2838 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
2839 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2840 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
2841 Delete (empty except comments, #includes of other deleted
2842 files, and macros used nowhere).
2844 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
2846 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
2847 independent on TARGET_FLAGS.
2849 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
2851 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
2853 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
2855 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
2857 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
2858 LAST_REX_SSE_REG): define.
2859 (enum reg_class): Add 'LEGACY_REGS'
2860 (REG_CLASS_CONTENTS): Likewise; add extended registers.
2861 (SSE_REGNO_P): Recognize extended registers.
2862 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
2863 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
2864 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
2865 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
2866 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
2867 REG_OK_FOR_STRREG_P): Remove.
2868 (HI_REGISTER_NAMES): Add extended registers.
2869 (ADDITIONAL_REGISTER_NAMES): Likewise.
2870 (QI_REGISTER_NAMES): Add 8bit extended registers.
2871 (DEBUG_REG): Support extended registers.
2872 * i386.c (regclass_map): Add extended registers.
2873 (dbx_register-map): Likewise.
2874 (svr4_dbx_register_map): Likewise.
2875 (print_reg): Support extended registers.
2876 (print_operand): Support 64bit operands.
2878 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
2880 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
2881 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
2882 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
2883 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
2884 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
2885 STACK_BOUNDARY): Set properly for 64bits.
2886 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
2887 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
2888 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
2889 (MOVE_MAX): Set to 16.
2890 (MOVE_MAX_PIECES): 8 for 64bit.
2891 (Pmode): Set to SImode.
2893 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
2895 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
2897 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
2899 * i386.h (mask_64bit): New constant.
2900 (target_64bit): New macro.
2901 (target_options): Add '64'/'32'
2902 (target_default): Define.
2903 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
2904 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
2905 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
2907 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
2909 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2911 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
2913 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2914 LO_SUM unless for_alias is set.
2916 2001-03-08 Stan Shebs <shebs@apple.com>
2918 * objc/objc-act.c: Fix old typos in comments, add comments for
2920 (hash_init): Fix file name in error message.
2921 (hash_enter): Ditto.
2922 (hash_add_attr): Ditto.
2923 (continue_class): Ditto.
2925 2001-03-08 Bruce Korb <bkorb@gnu.org>
2927 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2928 wait4() can receive the signal.
2930 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2932 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2934 * fixinc/fixincl.x: Regenerate.
2936 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2938 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2940 * fixinc/fixincl.x: Regenerate.
2942 2001-03-08 Richard Henderson <rth@redhat.com>
2944 * configure.in (HAVE_AS_LEB128): New assembler check.
2945 * configure, config.in: Rebuilt.
2947 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
2949 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
2952 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2954 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
2955 references to the MAXPATHLEN macro.
2957 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
2958 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
2961 * config/i386/xm-gnu.h, config/xm-gnu.h,
2962 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
2963 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
2964 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
2965 and/or unused files.
2967 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
2968 doing so in various xm-*.h files.
2970 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2972 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2974 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2976 * configure.in (enable_shared): Support per-package shared-library
2978 * configure: Rebuilt.
2980 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2982 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2983 for crnot. Set operands[5] in splitter.
2985 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2987 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
2988 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
2989 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
2990 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
2991 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
2992 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
2993 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
2996 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
2997 config/i370/xm-i370.h, config/i386/xm-dgux.h,
2998 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
2999 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3000 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3001 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3002 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3003 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3004 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3005 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3006 Delete unused and/or empty files.
3008 * config.gcc: Define USG in xm_defines as appropriate. Define
3009 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3010 macro. Remove deleted xm-* files from $xm_files variable.
3012 2001-03-07 Tom Tromey <tromey@redhat.com>
3014 * configure: Rebuilt.
3015 * configure.in: Allow config-lang.in to set `lang_requires' to list
3016 of other required languages.
3018 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3020 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3022 (output_prologue): Use xmalloc not oballoc.
3023 (output_epilog): Free a29k_first_epilogue_insn when finished.
3024 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3026 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3028 * builtins.c (expand_builtin_mathfn): Check
3029 flag_unsafe_math_optimizations, not flag_fast_math.
3030 (expand_builtin): Likewise
3031 * combine.c (combine_simplify_rtx): Likewise.
3032 (simplify_if_then_else): Likewise.
3033 * cse.c (fold_rtx): Likewise.
3034 * flags.h: Remove flag_fast_math. Add
3035 flag_unsafe_math_optimizations and flag_trapping_math.
3036 * fold-const.c (negate_expr): Check
3037 flag_unsafe_math_optimizations, not flag_fast_math.
3038 (invert_truthvalue): Likewise.
3039 (fold): Likewise. Before associating operands, check that
3040 code == MULT_EXPR, not code != MULT_EXPR.
3041 * ifcvt.c (noce_try_minmax): Check
3042 flag_unsafe_math_optimizations, not flag_fast_math.
3043 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3044 * invoke.texi: Document -funsafe-math-optimizations and
3045 -fno-trapping-math. Change documentation for -ffast-math.
3046 * jump.c (reversed_comparison_code_parts): Likewise.
3047 (rtx_equal_for_thread_p): Likewise.
3048 * optabs.c (emit_conditional_move): Likewise.
3049 * simplify-rtx.c (simplify_binary_operation): Likewise.
3050 (simplify_relational_operation): Likewise.
3051 (simplify_ternary_operation): Likewise.
3052 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3053 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3054 Add trapping-math and unsafe-math-optimizations entries to f_options.
3055 (set_fast_math_flags): New, sets flags for -ffast-math.
3056 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3057 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3058 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3060 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3061 (alpha_emit_conditional_move): Initialize local_fast_math to
3062 flag_unsafe_math_optimizations, not flat_fast_math.
3063 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3064 instead of setting flag_fast_math to 1.
3065 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3067 * config/i386/i386.c (override_options): Likewise
3068 * config/i386/i386.md: Likewise.
3069 * config/m68k/m68k.md: Likewise.
3070 * config/mips/mips.md: Likewise.
3071 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3072 (rs6000_generate_compare): Likewise.
3074 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3076 * Makefile.in: Set RANLIB to @RANLIB@.
3079 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3081 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3082 * fixinc/fixincl.x: Regenerated.
3084 2001-03-07 Richard Henderson <rth@redhat.com>
3086 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3088 2001-03-07 Richard Henderson <rth@redhat.com>
3090 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3091 of block notes and exception handling notes.
3093 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3094 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3095 (compile_file): ... here.
3097 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3101 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3102 config.h now. Include libiberty.h to handle alloca.
3104 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3106 * c-parse.in (yylexname): New function, split out of _yylex.
3107 (objc_rid_sans_at): New table.
3108 (init_reswords): Initialize it.
3109 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3110 retrieving the next token and checking it for significance as
3111 an ObjC keyword or string constant.
3113 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3114 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3116 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3119 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3121 * config/m68k/m68k.c (const_uint32_operand): Accept any
3122 const_int on a 32-bit host.
3124 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3126 * objc/objc-act.c (init_objc): Set save_lang_status,
3127 restore_lang_status, and mark_lang_status.
3129 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3131 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3133 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3135 * cppinternals.texi: Update.
3137 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3140 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3141 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3142 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3143 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3144 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3145 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3146 config/i386/xm-i386.h, config/i860/xm-i860.h,
3147 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3148 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3149 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3150 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3151 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3152 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3153 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3154 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3155 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3156 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3157 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3158 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3159 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3160 match the defaults provided in hwint.h.
3162 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3163 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3165 * config.gcc (xm_file): Don't set to files which are deleted.
3167 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3168 guard this file against these macros being undefined.
3170 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3172 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3173 and DECL_DEFER_OUTPUT on the decl we create, before calling
3174 rest_of_decl_compilation.
3176 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3178 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3180 * configure, config.in: Regenerate.
3181 * config.gcc: Remove references to deleted files.
3183 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3184 genrecog.c, rtl.c: Do not use alloca anywhere.
3186 * Makefile.in, build-make, system.h, config/x-interix,
3187 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3188 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3189 config/arc/xm-arc.h, config/arm/xm-arm.h,
3190 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3191 config/h8300/xm-h8300.h, config/i370/x-oe,
3192 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3193 config/i386/x-ncr3000, config/i386/x-sco5,
3194 config/i386/xm-dgux.h, config/i860/x-sysv4,
3195 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3196 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3197 config/m68k/x-hp320g, config/m69k/x-mot3300,
3198 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3199 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3200 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3201 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3202 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3203 config/mips/x-iris, config/mips/x-iris3,
3204 config/mips/x-sni-svr4, config/mips/x-sysv,
3205 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3206 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3207 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3208 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3209 config/pa/xm-papro.h, config/romp/xm-romp.h,
3210 config/rs6000/x-aix31, config/rs6000/x-aix41,
3211 config/rs6000/x-beos, config/rs6000/x-lynx,
3212 config/rs6000/x-mach, config/rs6000/x-rs6000,
3213 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3214 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3215 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3216 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3217 config/vax/xm-vms.h: Eradicate all references to alloca and
3220 * config/xm-alloca.h, config/clipper/x-clix,
3221 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3222 config/i860/x-sysv3, config/m88k/x-sysv3,
3223 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3224 (contained only alloca related hacks).
3226 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3229 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3231 * invoke.texi: Document __FAST_MATH__.
3233 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * crtstuff.c: Restore include of auto-host.h.
3237 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3239 Put main() in a separate file, so that the language
3240 front-end can use a different main().
3243 * toplev.c: (main): Rename as toplev_main.
3244 * toplev.h: Declare toplev_main.
3245 * Makefile.in (OBJS): add toplev.o.
3246 (BACKEND): remove toplev.o, add main.o.
3248 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3250 * cppfiles.c (search_from): Special case the empty string.
3252 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3254 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3255 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3256 strlen or strcpy; we already know the length.
3257 (_cpp_compare_file_date): Similarly.
3258 * cpphash.h (struct cpp_reader): Delete done_initialising.
3259 (CPP_PREV_BUFFER): Delete.
3260 * cppinit.c (cpp_start_read): Don't set done_initialising.
3261 * cpplex.c (parse_string): Guarantee null-termination.
3262 (_cpp_equiv_toklists): Remove.
3263 * cpplib.c (glue_header_name): Null-terminate.
3264 (do_line): Don't leak memory.
3265 * cpplib.h (BT_WEAK): Delete.
3266 * cppmain.c (cb_ident): Strings are now null-terminated.
3268 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3270 * gcc.c (convert_filename): Append executable suffix
3271 if NO_AUTO_EXE_SUFFIX is not defined.
3272 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3273 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3275 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3277 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3278 * c-parse.gperf, c-gperf.h: Delete.
3279 (c-gperf.h was accidently re-added to the CVS repo in the rev
3280 1.16 commit by tromey)
3282 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3284 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3285 macro arguments when looking for the '('.
3286 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3287 2 when really parsing arguments; 1 when looking for '('.
3288 Always restore the lexer position.
3290 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3292 * longlong.h (umul_ppmm): Don't use a multiline string.
3294 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3296 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3297 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3298 t_bool in declaration because pcc can't combine volatile with typedef
3301 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3303 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3304 until when it is really needed.
3305 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3306 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3307 * i386.md (float?i?f splitter): Don't force source operand to memory
3309 (sse_movdfcc): Fix constraint.
3310 (sse_movdfcc splitter): Handle properly the second alternative.
3312 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3314 * cpplex.c (parse_string): Unconditionally pedwarn.
3316 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3319 * cppexp.c (parse_number): Update.
3320 * cpplex.c (parse_string): Pedwarn if multiline string does not
3321 result from a system header's macro.
3322 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3323 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3324 for function-like macros too.
3325 * c-lex.c (lex_number): Update.
3327 2001-03-03 Richard Henderson <rth@redhat.com>
3329 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
3331 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
3333 * combine.c (try_combine): If split with mode-changed scratch
3334 register didn't work, try the original mode.
3336 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
3338 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
3339 * config/c4x/c4x.h: Likewise.
3340 * stor-layout.c (compute_record_mode): Likewise.
3341 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
3343 2001-03-02 Zack Weinberg <zackw@stanford.edu>
3345 * configure.in: Kill tm.h. Include the files in the $tm_file
3346 list in all three of config.h, hconfig.h, tconfig.h, after the
3347 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
3348 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
3349 * configure: Regenerate.
3350 * Makefile.in (clean): Don't delete tm.h.
3352 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
3353 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
3354 those are not defined, set SEC and FEC to 0 and 1.
3355 * gcc.texi: Update to match.
3357 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
3358 * config/fp-bit.c, config/m68k/aux-crt2.asm,
3359 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
3360 Include tconfig.h, not tm.h.
3362 * config/xm-lynx.h, config/xm-std32.h,
3363 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3364 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
3365 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
3366 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3367 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3368 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3369 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
3370 config/i386/xm-i386.h, config/i860/xm-i860.h,
3371 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3372 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
3373 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3374 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3375 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3376 config/pa/xm-linux.h, config/pa/xm-pa.h,
3377 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3378 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
3379 config/pj/xm-pj.h, config/romp/xm-romp.h,
3380 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3381 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3382 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3383 config/v850/xm-v850.h, config/vax/xm-vax.h,
3384 config/we32k/xm-we32k.h:
3386 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
3388 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
3389 config/i370/xm-oe.h: Don't include tm.h. Don't define
3391 * config/vax/xm-vms.h: Don't include tm.h.
3393 * config/xm-lynx.h, config/avr/xm-avr.h,
3394 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
3395 Delete; made empty by above changes.
3396 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3397 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
3398 Don't include config/xm-lynx.h or tm.h.
3400 * config/xm-gnu.h: Don't include fcntl.h.
3401 * config/sparc/xm-lynx.h: Don't include sys/types.h and
3403 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
3405 2001-03-02 Richard Henderson <rth@redhat.com>
3407 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
3408 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
3410 2001-03-02 Richard Henderson <rth@redhat.com>
3412 * Makefile.in (OBJS): Add dwarf2asm.o.
3413 * dwarf2asm.c, dwarf2asm.h: New files.
3414 * dwarf2out.c (*): Use them.
3415 (size_of_uleb128, size_of_sleb128): Remove.
3416 (output_uleb128, output_sleb128): Remove.
3417 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3418 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3419 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3420 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3421 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3422 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3423 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3424 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3425 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3426 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3427 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3428 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3429 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3430 (dwarf2out_frame_debug): Remove unused variables.
3431 (output_loc_operands): Don't abort on 8 byte constants if
3432 host integers are wide enough.
3433 (output_symbolic_ref): Remove.
3434 (size_of_die): Don't assume 4 byte host integers.
3435 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3437 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3438 something stupid with HOST_WIDE_INT to long truncation.
3439 [CONST_DOUBLE]: Likewise.
3441 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3442 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3443 * config/arm/unknown-elf.h: Likewise.
3444 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3445 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3446 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3447 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3448 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3449 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3450 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3451 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3452 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3453 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3454 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3455 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3457 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3459 * cselib.c (hash_rtx): Cast enums to unsigned int.
3461 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3463 * print-rtl.c (print_rtx): Cast enums to int for comparison.
3464 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
3466 * c-format.c (C_STD_VER): Cast to int for comparisons.
3467 (check_function_format): Cast various enums to int for &.
3468 (maybe_read_dollar_number): Likewise.
3469 (check_format_info): Likewise.
3470 (check_format_info_main): Likewise.
3471 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
3472 (safe_from_p): Likewise.
3473 * varasm.c (const_hash): Cast enum to int for %.
3474 * emit-rtl.c (init_emit_once): Use int loop variable to work around
3475 pcc enum problems with < and ++ operators.
3476 * regclass.c (init_reg_sets_1): Cast enums for comparison.
3477 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
3478 (regclass_init): Change enum class to int to iterate over reg_classes.
3479 * genrecog.c (merge_trees): Cast enums for comparison.
3480 * rtl.h (GET_CODE): Cast to enum rtx_code.
3481 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
3482 (GET_MODE): Cast to enum machine_mode.
3483 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
3484 (GET_NOTE_INSN_NAME): Cast enum to int.
3485 * tree.h (TREE_CODE): Cast to enum tree_code.
3486 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
3487 * timevar.c (timevar_print): Change loop variable id from enum to
3489 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
3490 * config/i386/i386.md: Use PUT_MODE for mode assignment.
3491 * toplev.c (compile_file): Cast enum DFI to int.
3492 (decode_d_option): Likewise.
3494 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
3496 * cppinit.c (append_include_chain): Mark "after" include file name list
3497 as a system directory.
3498 * cpp.texi: Document new behavior.
3500 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
3504 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
3506 * cppfiles.c (struct include_file): Update.
3507 (stack_include_file): Use search_from.
3508 (cpp_included, find_include_file): Update.
3509 (cpp_execute_include): Update. ptr->name may not be
3510 null terminated. Use the new search_from member variable
3512 (_cpp_compare_file_date): Similarly.
3513 (search_from): New function, similiar to actual_directory.
3514 (actual_directory): Delete.
3515 (remap_filename): Update. loc->name may not be null terminated.
3516 (struct file_name_list): Rename search_path. Update.
3517 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
3518 search_from and dir.
3519 (struct cpp_reader): Remove actual_dirs.
3520 * cppinit.c (struct cpp_pending): Update for renamed objects.
3521 (append_include_chain, remove_dup_dir, remove_dup_dirs,
3522 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
3523 * cpplib.h (struct cpp_options): Similarly.
3525 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3527 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
3528 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
3529 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3530 config/clipper/xm-clix.h, config/convex/xm-convex.h,
3531 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3532 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
3533 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3534 config/i370/xm-linux.h, config/i370/xm-mvs.h,
3535 config/i370/xm-oe.h, config/i386/xm-aix.h,
3536 config/i386/xm-i386.h, config/i386/xm-osf.h,
3537 config/i860/xm-i860.h, config/i960/xm-i960.h,
3538 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3539 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
3540 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
3541 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
3542 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
3543 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3544 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3545 config/pj/xm-pj.h, config/romp/xm-romp.h,
3546 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
3547 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3548 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3549 config/v850/xm-v850.h, config/vax/xm-vax.h,
3550 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
3551 Do not define TRUE or FALSE.
3553 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
3554 empty by above change.
3555 * config.gcc: Remove references to these files.
3557 * configure.in: Detect stdbool.h.
3558 * configure, config.in: Regenerate.
3559 * system.h: Include stddef.h here if available.
3560 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
3561 Then set up a sensible boolean type at the very end.
3563 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
3564 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
3566 * hash.h: Delete 'boolean' typedef and related #undefs.
3568 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
3569 all uses of 'boolean' with 'bool'.
3571 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3573 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
3574 * cppexp.c (lex): Cast enums for comparison.
3575 * cppinit.c (parse_option): Cast enum for comparison.
3576 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
3577 (cpp_output_token): Likewise.
3578 (cpp_can_paste): Cast enums for comparsion and plus/minus.
3579 (cpp_avoid_paste): Cast enums for minus and comparison.
3581 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3583 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
3584 field to all array elements.
3586 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3588 * cpphash.h (struct cpp_reader): Add print_version field.
3589 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
3590 just set print_version and other flags as appropriate.
3591 (cpp_post_options): Print version here if print_version is set.
3593 * toplev.c (exit_after_options): New flag.
3594 (independent_decode_option): Don't exit here; just set
3596 (main): Exit after calling lang_hooks.post_options if
3597 exit_after_options is true.
3599 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
3600 (merge_include_chains): Adjust comment to match code.
3602 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3604 * stringpool.c (set_identifier): New function.
3605 * tree.h: Prototype it.
3607 * c-parse.in: Kill D_YES. If compiled for objc, call
3608 save_and_forget_protocol_qualifiers from init_reswords.
3609 * objc/objc-act.c (remember_protocol_qualifiers,
3610 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
3611 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
3613 (save_and_forget_protocol_qualifiers): New function.
3614 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
3616 2001-03-01 Diego Novillo <dnovillo@redhat.com>
3618 * c-semantics.c (prune_unused_decls): Return error_mark_node
3619 instead of (tree) 1 to stop traversing the tree chain.
3621 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3623 Fix a problem introduced by Kenner's Feb 18 change.
3624 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
3625 flag_cse_skip_blocks only temporarily, not for ever.
3627 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
3629 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
3630 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
3632 * pa.c (emit_move_sequence): Verify operand0 is a hard register
3633 before determining its register class.
3635 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3637 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
3638 from reg 4 if current_function_calls_setjmp.
3639 (gen_nop_type): New function.
3640 (ia64_emit_nops): New function.
3641 (ia64_reorg): Call it.
3642 (ia64_sched_reorder): Move code that rotates bundles up a bit.
3644 * reload1.c (eliminate_regs_in_insn): Restrict the special case
3645 code not to try to optimize adds with anything but a REG destination.
3647 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
3648 (INSN_PRIORITY_KNOWN): New accessor macro.
3649 * haifa-sched.c (priority): Use it instead of testing priority against
3652 2001-02-28 DJ Delorie <dj@redhat.com>
3654 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
3655 since that doesn't work the way gcc wants on a generic m68k.
3657 2001-02-28 Richard Henderson <rth@redhat.com>
3659 * caller-save.c (save_call_clobbered_regs): Fix typo in
3660 comparison last change.
3662 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
3664 * i386.c (pentium4_cost): New.
3665 (m_PENT4): New macro.
3666 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
3667 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
3668 x86_integer_DFmode_moves, x86_partial_reg_dependency,
3669 x86_memory_mismatch_stall): Add Pentium4
3670 (x86_use_q_reg, x86_use_any_reg): Kill.
3671 (override_options): Add pentium4.
3672 (incdec_operand): Return 0 for pentium4.
3673 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
3674 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
3675 (TARGET_PENTIUM4): Define.
3676 (enum processor_type): Add PROCESSOR_PENTIUM4.
3677 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
3678 * i386.md (attribute "cpu"): Add pentium4.
3679 * invoke.texi (march): Add pentium4.
3681 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
3683 * i386.md (sse_mov?fcc*): New patterns and splitters.
3684 * i386.c (ix86_expand_movcc): Work post-reload; recognize
3685 the SSE based conditional moves.
3687 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
3689 * i386.md (attribute mode): Add "TI".
3690 (movsf_1): Add pxor support; remove constant propagation splitter.
3691 (movdf_integer): Likewise.
3692 (movdf_nointeger): Likewise.
3693 (movxf constant prop splitter): Handle all modes; update for SSE.
3694 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
3695 * i386.c (standard_80387_constant_p): Rewrite.
3696 (standard_sse_constant_p): New.
3697 * i386-protos.h (standard_sse_constant_p): New.
3699 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
3701 * i386.md (sse_setccsf, sse_setccdf): New.
3702 (sse_cmp* patterns): Use '%D' instead of outputtting condition
3704 * i386.c (sse_comparison_operator): Accept the supported unordered
3705 comparses; be ready for fast_math.
3706 (print_operand): Support 'D'.
3708 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
3710 * jump.c (reversed_comparison_code): Kill.
3712 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
3714 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
3717 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
3719 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
3720 add missing '%' in constraints.
3722 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
3724 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
3725 for HOST_BITS_PER_WIDE_INT == 32 too.
3727 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
3729 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
3731 (insert_save, insert_restore): New parameter save_mode.
3732 (init_caller_save): Update initialization of reg_save_code
3733 and reg_restore_code.
3734 (save_call_clobbered_regs): Compute save_modes and update calls to
3735 reg_save_code and reg_restore_code.
3736 (insert_restore): Unsignetize numbers; use save_modes to choose mode
3737 of spill; update use of reg_restore_code.
3738 (insert_save): Likewise.
3739 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3740 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
3741 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
3743 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3745 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
3746 noce_try_store_flag_inc, noce_try_store_flag_mask,
3747 noce_try_cmove_arith):
3748 Use reversed_comparison_code instead of reverse_comparison and
3749 can_reverse_comparison_p.
3751 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
3753 * jump.c (reversed_comparison_code_parts): Allow reversal of
3754 unordered compares in -ffast-math mode; reverse ordered compares
3755 for FP even w/o -ffast-math.
3757 2001-02-27 Richard Henderson <rth@redhat.com>
3759 * print-rtl.c (print_rtx) [i]: Don't print field five on
3760 NOTEs other than NOTE_INSN_DELETED_LABEL.
3762 2001-02-27 Zack Weinberg <zackw@stanford.edu>
3764 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
3765 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
3767 2001-02-27 Diego Novillo <dnovillo@redhat.com>
3769 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
3770 even if walk_subtrees is 0.
3771 * c-semantics.c (prune_unused_decls): Return a non-null value to
3772 stop traversing the tree chain.
3774 2001-02-27 DJ Delorie <dj@redhat.com>
3776 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
3777 register, *then* define it as the new CFA.
3779 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
3781 * pa.c (override_options): Promote -fpic to -fPIC.
3782 (legitimize_pic_address): Simplify due to removal of
3783 small PIC as a code generation option.
3784 (secondary_reload_class): Similarly.
3785 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
3786 (PRINT_OPERAND_ADDRESS): Similarly.
3787 * pa.md (various patterns): Similarly.
3788 (small pic lo_sum pattern): Remove.
3790 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
3793 * md.texi (min, max): Document
3795 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
3797 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
3798 TARGET_PARTIAL_REG_DEPENDENCY.
3799 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
3801 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
3803 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
3805 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
3807 * mips.c (mips_make_temp_file): Fix thinko in last change.
3809 2001-02-26 Jason Eckhardt <jle@redhat.com>
3811 * combine.c (known_cond): Do not reverse the condition when
3812 SMAX/UMAX is being considered and the condition is for equality
3815 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
3817 2001-02-26 Philip Blundell <philb@gnu.org>
3819 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
3821 * config/arm/linux-elf.h: Remove historical relics related to
3822 above configurations.
3823 * config/arm/linux-oldld.h: Delete.
3824 * config/arm/linux-elf26.h: Delete.
3826 2001-02-26 Jason Merrill <jason@redhat.com>
3828 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
3830 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
3831 recognize a tentative definition. Lose obsolete code.
3833 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
3834 variables unless necessary, either.
3836 2001-02-25 Richard Henderson <rth@redhat.com>
3838 * ifcvt.c (struct noce_if_info): Add test_bb.
3839 (noce_get_alt_condition): New.
3840 (noce_try_minmax, noce_try_abs): New.
3841 (noce_operand_ok): New.
3842 (noce_process_if_block): Use them.
3843 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
3845 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
3847 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
3850 2001-02-25 Zack Weinberg <zackw@stanford.edu>
3852 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
3853 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
3855 (mips_asm_file_end): Free temp_filename here.
3857 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3859 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
3860 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
3862 * config/i386/i386.md (movstrsi): Handle FAIL case.
3864 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
3866 * cppinit.c (builtin_array): Update.
3867 (init_builtins): Flag builtins to warn if redefined or
3868 undefined. Define __GXX_WEAK as a normal macro.
3869 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
3870 * cpplib.h (NODE_WARN): New flag.
3871 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
3872 Handle __STDC__ as a builtin only on Solaris.
3873 (warn_of_redefinition): Renamed from check_macro_definition.
3874 Reverse sense of test. Always warn if NODE_WARN.
3875 (_cpp_create_definition): Use warn_of_redefinition. Flag
3876 any macro beginning with "__STDC_" to require a mandatory
3877 warning if redefined or undefined.
3879 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3881 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
3882 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
3883 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
3884 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
3885 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
3886 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
3887 Don't define any of:
3888 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
3889 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
3890 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
3891 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
3892 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
3894 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
3895 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
3898 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
3899 Delete now-empty file.
3901 * alpha/vms.h: Define NEED_ATEXIT here...
3902 * alpha/xm-vms.h: ...not here.
3904 * i386/cygwin.h: Don't define PARAMS.
3905 * mips/mips.c: Don't prototype mktemp. Don't define
3906 P_tmpdir. Use make_temp_file to create temporary files.
3907 Don't be clever and delete temporary files early.
3908 * config.gcc: Drop references to deleted files. Don't define
3910 * gcc.texi: Don't mention USE_PROTOTYPES.
3912 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3914 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
3915 (ix86_set_move_mem_attrs_1): Likewise.
3916 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
3917 * config/i386/i386.md (movstrsi): Call it.
3919 2001-02-24 Zack Weinberg <zackw@stanford.edu>
3921 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
3922 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
3923 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
3924 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
3926 (i750a-*-*): Error here if hosting on i750a.
3927 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
3929 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
3930 Remove (empty modulo comments).
3932 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
3933 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
3934 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
3935 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
3936 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
3937 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
3939 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
3940 Remove reference to winnt.h in comment.
3941 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
3943 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3945 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
3946 used to set another biv.
3948 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3950 * tree.h (BLOCK_DEAD): New macro.
3951 (struct tree_block): New flag, dead_flag.
3952 * print-tree.c (print_node, case 'b'): Print missing fields.
3953 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
3954 * function.c (identify_blocks): Enable test for misplaced notes.
3955 (all_blocks): Skip BLOCK_DEAD blocks.
3956 * integrate.c (integrate_decl_tree): Likewise.
3958 * errors.c (internal_error, trim_filename): New functions.
3959 (fancy_abort): Call internal_error.
3960 * errors.h (internal_error, trim_filename): New declarations.
3962 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
3964 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
3966 (EXTRA_CONSTRAINT): Formatting changes.
3968 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3970 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
3972 2001-02-23 Per Bothner <per@bothner.com>
3974 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
3975 so they can be called from java/jvspec.c.
3976 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
3978 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3980 * i386.c (ix86_frame): New structure.
3981 (ix86_compute_frame_size): Kill.
3982 (ix86_compute_frame_layout): New.
3983 (ix86_save_reg): New.
3984 (ix86_can_use_return_insn_p): Use frame layout stuff.
3985 (ix86_expand_prologue): Likewise.
3986 (ix86_expand_epilogue): Likewise.
3987 (ix86_initial_elimination_offset): Likewise.
3988 (ix86_nsaved_regs): Use ix86_save_reg.
3989 (ix86_emit_save_regs): Likewise.
3991 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
3993 * flow.c (find_sub_basic_blocks): New function.
3994 (split_block): Be ready for basic block introduced by CODE_LABEL.
3995 (commit_one_edge_insertion): Call find_sub_basic_block.
3997 * flow.c (make_edges): Add edge from entry for blocks starting with
3998 label having ALTERNATE_NAME
4000 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4002 * function.c (epilogue_done): Be ready for first basic block not
4003 containing PROLOGUE_END note.
4004 (reposition_prologue_and_epilogue_notes): Avoid placing
4005 PROLOGUE_END note between BASIC_BLOCK.
4007 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4009 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4011 2001-02-21 DJ Delorie <dj@redhat.com>
4013 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4014 check for current_function_has_nonlocal_goto from 1999-11-12.
4016 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4018 * diagnostic.c (trim_filename): No longer static.
4019 * toplev.h (trim_filename): Declare.
4020 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4021 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4022 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4023 (rtvec_check_failed_bounds): Likewise.
4024 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4026 * convert.c (convert_to_integer): Don't do unsigned unless result or
4027 both inputs are unsigned.
4029 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4032 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4034 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4036 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4038 * Makefile.in (resource.o): Add params.h dependence.
4039 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4040 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4041 * resource.c: Add dependence on params.h.
4042 (current_live_regs): Fix explanatory comment.
4043 (find_basic_block): Add new parameter to permit limiting search
4045 (mark_target_live_regs): Add new argument to find_basic_block call.
4046 (incr_ticks_for_insn): Likewise.
4048 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4050 * diagnostic.c (output_to_stream): Rename to
4051 output_buffer_to_stream. Loses the stream parameter.
4052 (init_output_buffer): Set diagnosic_buffer's stream.
4053 (flush_diagnostic_buffer): Adjust.
4054 (default_print_error_function): Likewise.
4055 (finish_diagnostic): Likewise.
4056 (verbatim): Likewise.
4058 * diagnostic.h (struct output_buffer): Add `stream' field.
4059 (output_buffer_attached_stream): New macro.
4061 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4063 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4064 check if either operand is divisible by C.
4065 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4066 If type is signed, consider negative numbers as well.
4068 2001-02-22 Richard Henderson <rth@redhat.com>
4070 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4071 reach .text instead of gp-relative relocs.
4072 * config/ia64/crtend.asm (.init): Likewise.
4074 2001-02-22 Andreas Jaeger <aj@suse.de>
4076 * extend.texi (C++ Attributes): Fix typo.
4078 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4080 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4081 functions, drop current_function_args_info.words test.
4082 (ia64_compute_frame_size): Mark syscall_linkage functions as
4083 using eight input registers.
4085 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4086 Bruce Korb <bkorb@gnu.org>
4088 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4089 * fixinc/README: Document how to convert sed substitutions
4090 to format style c_fix-es.
4091 * fixinc/fixincl.x: regen
4093 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4095 * gcc.c: Add comment explaining how to add a command-line option.
4096 Add title to specs language comment.
4098 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4100 * gcc.c (cc1_options): Add "-param".
4101 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4102 (option_map): Likewise.
4103 * toplev.c (display_help): Add entry for "--param".
4104 (independent_decode_option): Fix typographical error.
4106 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4107 Bernd Schmidt <bernds@redhat.com>
4108 Jan Hubicka <jh@suse.cz>
4110 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4111 (function_arg): Likewise.
4113 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4115 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4117 2001-02-21 Kazu Hirata <kazu@hxi.com>
4119 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4123 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4125 * flow.c (init_propagate_block_info): Canon address and use single_set
4126 for killing dead memory stores.
4128 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4130 * Makefile.in (reorg.o): Add params.h dependence.
4131 * params.def: Fix typographical error in comment.
4132 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4133 * params.h: Modify introductory comment.
4134 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4135 * reorg.c: Add dependence on params.h.
4136 (redundant_insn): Add parameterized throttle for search.
4137 (fill_simple_delay_slots): Add a comment explaining a variable.
4138 Move conditional out of loop, simplifying code.
4139 (fill_eager_delay_slots): Fix typographical error in comment.
4141 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4143 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4145 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4146 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4148 2001-02-21 Jason Merrill <jason@redhat.com>
4150 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4151 (struct tree_decl): Add uninlinable bitfield.
4152 * c-decl.c (duplicate_decls): Set it.
4153 * integrate.c (function_cannot_inline_p): Check it.
4155 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4156 DW_AT_MIPS_linkage_name to abstract methods.
4157 (dwarf2out_abstract_function): Emit class context before calling
4158 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4159 (gen_subprogram_die): Remove obsolete code.
4160 (gen_member_die): Don't include clones in the member list.
4161 (gen_decl_die): Emit abstract info for clone origin.
4162 * dwarfout.c (output_type): Don't include clones in the member list.
4163 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4164 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4165 DECL_ABSTRACT on a function that already has it set.
4167 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4168 (get_subprogram_die): Pass it in.
4170 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4172 * flow.c (mark_set_1): Make not_dead unsigned long. For
4173 non-pseudos, use it as a bitmask of the hard regs that
4176 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4178 * cppfiles.c: Update comments.
4179 (_cpp_read_file): Don't check for NULL filenames any more.
4180 * cppinit.c (cpp_start_read): Don't do canonicalization of
4181 in_fname and out_fname. Use the passed file name exclusively.
4182 (_cpp_handle_options): Don't treat "-" as a command line option,
4183 but as a normal filename.
4184 (_cpp_post_options): Canonicalize in_fname and out_fname.
4185 * cppmain.c (printer_init): Don't check out_fname for NULL.
4186 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4187 (init_c_lex): Update, and use "" to represent stdin to CPP.
4190 2001-02-20 Will Cohen <wcohen@redhat.com>
4192 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4193 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4194 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4197 2001-02-20 Stan Shebs <shebs@apple.com>
4199 * config/rs6000/rs6000.c (output_cbranch): Output branches
4200 on separate lines instead of using ';' to separate.
4202 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4204 * cppinit.c (set_lang): Move builtin handling to...
4205 (init_builtins): ...here.
4206 (_cpp_create_reader): Move call to set_lang.
4208 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4210 * stmt.c (expand_return): If an attempt is made to return the
4211 error_mar_node, treat the return like a return without a value.
4213 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4215 * sibcall.c (skip_copy_to_return_value): Call
4216 identify_call_return_value here, and return orig_insn if it
4217 returns zero. Hardret and softret arguments now unnecessary.
4218 (call_ends_block_p): Don't call identify_call_return_value here.
4220 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4222 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4223 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4225 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4227 * pa.c (move_operand): Accept code to load the address of a
4228 symbol out of the DLT as a valid move operand.
4229 (print_operand, case 'A'): New to handle generating a DLT
4230 reference for a LO_SUM expression.
4231 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4232 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4234 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4236 * README, cpp.texi, gcc.texi, version.c: Update version number to
4238 * cpp.1, gcov.1, gcc.1: Regenerate.
4240 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4242 * cppfiles.c (stack_include_file): Generate dependencies
4243 here, and manage include_count here too.
4244 (PRINT_THIS_DEP): Delete.
4245 (_cpp_execute_include): Do not generate dependencies here,
4246 apart from the case of a missing header. Do not manage
4248 (_cpp_read_file): Leave dependency generation to
4251 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4253 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4254 target_cpu_default. Remove dead assignment to
4257 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4259 * regclass.c (contains_reg_of_mode): Make global.
4260 (init_reg_sets): Remove contains_reg_of_mode; take into account
4261 CLASS_MAX_NREGS when looking for the proper mode.
4262 (dump_regclass): Dump only classes considered for the pseudo.
4263 (regclass): Use contains_reg_of_mode.
4265 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4267 * gcc.c (do_spec_1): 'n' for printing notices.
4268 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4270 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4272 * reg-stack.c (next_flags_user): Use current_block->end
4273 (swap_rtx_condition): Look for next user if flags don't die;
4274 give up on CALL_INSNs; use current_block->end.
4276 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4278 * sibcall.c (call_ends_block_p): New function.
4279 (optimize_sibling_and_tail_recursive_call): Use it.
4281 2001-02-18 Kazu Hirata <kazu@hxi.com>
4283 * config/h8300/h8300.md: Update copyright.
4284 (andsi3): Do not output an extra newline character.
4286 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4288 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4289 FNDECL may be unused.
4291 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4292 follow jumps after first run.
4293 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4294 it doesn't change any jumps.
4296 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4298 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4299 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4300 (mostlyclean): Corresponding changes.
4301 * rtlanal.c (hard-reg-set.h): Include.
4302 (rtx_unstable_p): Do not treat the argument pointer specially
4303 if it is not a fixed register.
4304 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4306 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4308 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4309 against last real insn in basic block.
4310 Rework to avoid gotos.
4312 * Makefile.in (gcse.o): Now includes ggc.h.
4313 * gcse.c: Include ggc.h.
4314 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4315 (try_replace_reg): Remove warning of uninitialize variable.
4316 (process_insert_insn): Call invalid_insn_p to validate insn.
4317 * recog.c (insn_invalid_p): Now global.
4318 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4319 * recog.h (insn_invalid_p): New declaration.
4321 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4323 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4324 assignments from FP constants since 'Y' output code can't handle it.
4325 (eligible_for_sibcall_delay): Likewise.
4327 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4328 Call fancy_abort directly, passing args.
4329 (print_rtl_and_abort): Now a macro, like fancy_abort.
4331 * final.c (output_operand_lossage): Use internal_error, not error.
4333 2001-02-18 Shane Nay <shane@agendacomputing.com>
4335 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
4336 structure shift insns.
4338 2001-02-18 Mark Mitchell <mark@codesourcery.com>
4340 * invoke.texi (-fsquangle): Remove documentation.
4341 (-fname-mangling-version): Likewise.
4343 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
4345 * optabs.c (expand_abs): Remove reference to
4346 HAVE_contitional_arithmetic.
4347 * combine.c (simplify_set): Likewise.
4349 2001-02-18 Richard Henderson <rth@redhat.com>
4351 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
4354 2001-02-18 Richard Henderson <rth@redhat.com>
4356 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
4358 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
4360 * reload1.c (reload_cse_simplify_set): Fix typo.
4362 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4364 * diagnostic.c (_fatal_insn): Decrement errorcount.
4366 * invoke.texi (-I): Add note avoiding use for system header files.
4368 * rtl.h (add_clobbers): Remove duplicate declaration.
4369 * recog.h (added_clobbers_hard_reg_p): New declaration.
4370 * genemit.c (struct clobber_pat): New field has_hard_reg.
4371 (gen_insn): Record if added clobbers clobber hard reg.
4372 (gen_split): Avoid unused warning if number of operands is 0.
4373 (output_added_clobbers_hard_reg_p): New function.
4376 2001-02-18 Alan Modra <alan@linuxcare.com.au>
4378 * pa.c (hppa_expand_prologue): Simplify code storing return
4379 pointer. For large (>=8k) frames with a post_store, adjust stack
4380 pointer by 8k-64 first rather than by 64. When testing with
4381 VAL_14_BITS_P, always use the actual value rather than the value
4382 negated. Add blockage to prevent scheduling of spills before
4383 stack frame has been created.
4384 (hppa_expand_epilogue): Simplify code loading return pointer.
4385 Allow a slightly larger range for merge_sp_adjust_with_load case.
4386 When testing with VAL_14_BITS_P, always use the actual value.
4388 * pa.c (pa_adjust_insn_length): Check that block move
4389 pattern is a set before looking at operands.
4391 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4393 * fold-const.c (fold_binary_op_with_conditional_arg): New
4394 function, split out from ...
4396 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
4397 conditional arms that throw exceptions.
4399 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
4402 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4404 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4405 define HAVE_DECL_* to 1 to mask potential backup declarations.
4406 * configure: Regenerated.
4408 2001-02-17 Mark Mitchell <mark@codesourcery.com>
4410 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
4412 2001-02-17 Richard Henderson <rth@redhat.com>
4414 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
4415 when replacing a memory load with a register.
4417 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4418 Jan Hubicka <jh@suse.cz>
4420 * recog.c (validate_replace_src_1): New.
4421 (validate_replace_src_data): Likewise.
4422 (validate_replace_src): Use note_uses.
4423 * rtl.h (note_uses): Declare.
4424 * rtlanal.c (note_uses): New.
4426 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
4428 * reg-stack.c (stack_def): Make field reg unsigned.
4429 (remove_regno_note): Unsignetize parameter.
4431 2001-02-16 Jes Sorensen <jes@linuxcare.com>
4433 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
4434 shladd_operand() call.
4436 2001-02-16 Bruce Korb <bkorb@gnu.org>
4437 Rodney Brown <RodneyBrown@mynd.com>
4439 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
4440 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
4441 machine restrictions
4442 * fixinc/fixincl.x: regen
4444 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4446 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
4448 (hash_scan_insn): Clean up calls to hash_scan_set.
4449 (compute_kill_rd): REGNO now unsigned.
4450 (try_replace_reg): Rework to use simplify_replace_rtx.
4451 (cprop_jump, cprop_cc0_jump): Likewise.
4452 (cprop_insn): Call find_reg_equal_equiv_note.
4453 Reflect changes to cprop_jump and cprop_cc0_jump.
4455 * recog.c (validate_replace_src): Replace in operands of
4456 ZERO_EXTRACT in SET_DEST.
4458 * cse.c (new_label_ref): New variable.
4459 (insert): Set it instead of recorded_label_ref.
4460 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
4461 CODE_LABEL for this function, and not already in REG_LABEL note.
4463 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
4465 * resource.c (mark_referenced_resources): Fix typo in introductory
4467 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
4470 2001-02-16 Jason Merrill <jason@redhat.com>
4472 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
4474 (gen_subprogram_die): Don't abort on seeing a second definition if
4475 the previous one was abstract. Don't replace an abstract instance
4476 in the lookup table.
4478 * dwarf2out.c (dwarf2out_abstract_function): Rename from
4479 gen_abstract_function.
4480 * dwarf2out.h: Declare it.
4481 * toplev.c (note_outlining_of_inline_function): New fn.
4482 * toplev.h: Declare it.
4483 * integrate.c (output_inline_function): Call it.
4484 * c-decl.c (duplicate_decls): Call it when redefining an extern
4485 inline. Don't inline the new defn.
4487 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
4489 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4491 * .gdbinit: Rename to gdbinit.in.
4492 * gdbinit.in: New file,
4493 * configure.in: Generate .gdbinit from gdbinit.in.
4494 * configure: Regenerated.
4495 * Makefile.in (distclean): Always remove .gdbinit.
4497 2001-02-16 Jakub Jelinek <jakub@redhat.com>
4499 * objc/objc-act.c (start_class): Register implemented_classes with
4502 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
4504 * cppfiles.c (_cpp_make_system_header): Generate a file
4507 2001-02-15 Jim Meyering <meyering@lucent.com>
4509 * Makefile.in (install-common): Don't depend on installdirs here.
4510 Instead, make each of the lang.install-common targets (e.g.,
4511 c++.install-common in cp/Make-lang.in) depend on it.
4512 (install-driver): Depend on installdirs.
4514 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4516 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
4518 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
4521 2001-02-15 Mark Mitchell <mark@codesourcery.com>
4523 * invoke.texi (--param): Document.
4525 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
4527 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
4529 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
4531 * i386.md (extendsfdf2_2): Fix constraints.
4533 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
4535 * i386.md (fop_df_3 splitter): Fix operand number.
4537 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
4539 * invoke.texi (-mreg-alloc): Nuke.
4540 * i386.c (ix86_reg_alloc_order, regs_allocated,
4541 order_regs_for_local_alloc): Nuke.
4542 (override_options): Kill reg_alloc code.
4543 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
4544 (REG_ALLOC_ORDER): SSE goes before I387.
4545 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
4546 (ix86_reg_alloc_order): Likewise.
4547 * i386-protos.h (ix86_reg_alloc_order): Kill.
4549 2001-02-14 Richard Henderson <rth@redhat.com>
4551 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
4553 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
4555 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
4557 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
4559 * i386-protos.h (ix86_memory_move_cost): Move offline.
4560 * i386.c (ix86_register_move_cost): Compute properly cost of
4561 SSE, MMX and i387 instructions.
4562 (*_cost): Add costs of SSE/MMX moves.
4563 (ix86_memory_move_cost): Move offline from ....; Likewise.
4564 * i386.h (MEMORY_MOVE_COST): .... here;
4565 (struct processor costs): Add new fields to represent costs
4568 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
4570 * regclass.c (init_reg_sets_1): Reinstall the optimization of
4571 move_cost together with Matt Kraai's fix.
4573 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4575 * Makefile.in (OBJS): Add params.o.
4577 2001-02-14 Richard Henderson <rth@redhat.com>
4578 DJ Delorie <dj@redhat.com>
4580 * jump.c (jump_optimize_1): When we delete a conditional jump
4581 preceeding a non-conditional jump to effectively the same place,
4582 make sure that the combined jump skips any clobber insns between
4585 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
4587 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
4589 2001-02-14 Mark Mitchell <mark@codesourcery.com>
4591 * Makefile.in (toplev.o): Depend on params.h.
4592 (intergate.o): Likewise.
4593 (params.o): New target.
4594 * flags.h (inline_max_insns): Remove.
4595 * integrate.c: Include params.h.
4596 Use MAX_INLINE_INSNS instead of inline_max_insns.
4597 * params.c: New file.
4598 * params.h: Likewise.
4599 * params.def: Likewise.
4600 * toplev.c: Include params.h.
4601 (lang_independent_params): New variable.
4602 (decode_f_option): Use the param machinery instead of setting
4604 (independent_decode_option): Handle "--param name=value".
4605 (main): Register language-independent parameters.
4607 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
4609 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
4611 2001-02-14 Richard Henderson <rth@redhat.com>
4613 * regclass.c (init_reg_sets_1): Revert last two changes.
4615 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4617 * stor-layout.c (is_pending_size, put_pending_size): New functions.
4618 (variable_size): Call put_pending_size.
4619 * tree.h (is_pending_size, put_pending_size): Add prototypes.
4620 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
4621 sizes list, put newly created SAVE_EXPR there as well.
4623 2001-02-14 Jakub Jelinek <jakub@redhat.com>
4625 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
4626 (errata_find_address_regs): load_group has only 2 entries.
4627 (errata_emit_nops): Likewise. shladd is not problematic.
4628 Clear last_group if nop was emitted.
4629 (fixup_errata): load_group has only 2 entries.
4632 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
4634 * c-lex.c (lex_number): Only warn traditionally for U suffix
4635 outside system macros.
4636 * cppexp.c (parse_number): Similarly.
4637 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
4638 * cppmacro.c (struct cpp_macro): New member node.
4639 (parse_args): Only warn about missing rest args if not
4641 (funlike_invocation_p): Similarly for uninvoked funlike macros.
4642 (cpp_sys_objmacro_p): New.
4643 (_cpp_create_definition): Store the node with the macro defn.
4644 Remember if the macro is defined in a system header.
4646 2001-02-13 DJ Delorie <dj@redhat.com>
4648 * configure.in (check_languages): determine languages to check
4649 * Makefile.in (check-c++): alias for check-g++
4650 (check-f77): alias for check-g77
4651 (CHECK_TARGETS): depend on configured languages
4653 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
4655 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4656 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4657 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4658 (sqrtextendsfdf2): Disable for SSE2.
4660 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4662 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
4663 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
4664 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
4665 (sqrtextendsfdf2): Disable for SSE2.
4667 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
4669 * i386.md (movsfcc_1): Support integer cmove instruction.
4670 (movdfcc_1): Likewise; new splitter.
4672 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
4674 * i386.c (output_fp_compare): Support SSE.
4675 (prepare_fp_compare_args): SSE comparisons always support memory.
4676 * i386.h (TARGET_CMOVE): SSE imply cmove.
4677 * i386.md (cmp?f2): Enable for SSE too.
4678 (cmpfp_i*): Support SSE.
4680 (cmpfp_i_sse_only): New.
4681 (s*, b* fp expanters): Enable for SSE too.
4682 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
4685 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
4687 * regclass.c (init_reg_sets_1): Silence warning.
4689 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
4691 * i386.md (sqrt?f2): Change to expander.
4692 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
4694 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4696 * rtlanal.c (find_reg_equal_equiv_note): New function.
4697 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
4698 (simplify_gen_relational, simplify_replace_rtx): Likewise.
4699 * rtl.h: Add declarations for above functions.
4701 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
4703 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
4705 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
4706 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
4707 * flow.c (mark_regs_live_at_end): Likewise.
4708 (calculate_global_regs_live): Likewise.
4709 * gcse.c (compute_hash_table): Likewise.
4710 (compute_kill_rd): Likewise.
4711 * resource.c (mark_target_live_regs): Likewise.
4712 * rtl.h (INVALID_REGNUM): New macro.
4714 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
4716 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
4718 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
4720 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
4723 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
4725 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
4727 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
4728 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
4729 (fop_sf_1_sse, fop_df_1_sse): New patterns
4730 (fop_*): Disable float_extend and float patterns for SSE compilation.
4731 * i386.c (output_387_binary_op): Support SSE.
4733 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
4735 * i386.md (dummy_extendsfdf2): Support SSE2
4736 (extendsfdf2): Enable if 80387 or SSE2.
4737 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
4738 and no MIX_I387_SSE2
4739 (extendsfdf2_1_sse_only): New pattern.
4740 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
4742 (truncdfsf2_1): Support SSE.
4743 (truncdfsf2_2): Support SSE.
4744 (truncdfsf2_2_1_sse): New pattern.
4745 (fixtruncsfsi2): Always use SSE if available.
4746 (fix_truncsfsi_sse): New pattern.
4747 (fix_truncdfsi_sse): New pattern.
4748 (floatsis?f2): Support SSE.
4749 (floatsidf2_i387): New pattern.
4750 (floatsidf2_sse): Likewise.
4752 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4754 * configure.in: Use "have_gnat" variable, not "gnat".
4755 * configure: Regenerated.
4757 * config/sparc/sparc.c (function_value): Treat all non-record
4758 aggregate types like used to treat UNION_TYPE.
4760 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
4762 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
4763 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
4765 (MASK_MIX_SSE_I387): New.
4766 (TARGET_SSE): SSE2 imply SSE.
4767 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
4768 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
4769 (enum reg_class): Add new classes.
4770 (REG_CLASS_NAMES): Likewise.
4771 (REG_CLASS_CONTENTS): Likewise.
4772 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
4773 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
4774 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
4775 (CLASS_MAX_NREGS): Use new macros.
4776 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
4777 * i386.md (pushsf, movsf): Support SSE.
4778 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
4779 splitters to use ANY_FP_REGNO_P.
4780 (movdf_nointeger, movdf_integer): Likewise.
4782 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4784 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
4785 (try_combine): Use it.
4787 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
4789 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
4790 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
4791 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
4792 (REGISTER_MOVE_COST): Likewise.
4793 * i386-protos.h (ix86_secondary_memory_needed,
4794 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
4795 * i386.c (ix86_secondary_memory_needed,
4796 ix86_preferred_reload_class, ix86_register_move_cost): New function.
4798 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
4800 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
4801 (HARD_REGNO_MODE_OK): Move offline to ....
4802 * i386.c (ix86_hard_regno_mode_ok) ... here;
4803 refuse all incorrect modes.
4804 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
4806 2001-02-13 Richard Henderson <rth@redhat.com>
4808 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
4809 entire operator; replicate that and match_dup the operands.
4810 (cmp_ccx_arith_op_set): Likewise.
4811 (cmp_cc_arith_op_not_set): Likewise.
4812 (cmp_ccx_arith_op_not_set): Likewise.
4814 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
4816 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
4818 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4820 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
4821 (TARGET_NO_BITFIELD_WORD): New macro.
4822 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
4823 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
4825 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4827 * cselib.c: New file, from simplify-rtx.c.
4828 * simplify-rtx.c: Remove cselib parts.
4829 * Makefile.in: Add cselib.o.
4831 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
4833 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
4834 (setup_incoming_varargs): Remove warning.
4836 * config/rs6000/rs6000.c (validate_condition_mode): When
4837 flag_fast_math, allow floating-point conditionals to be reversed.
4838 (rs6000_generate_compare): When flag_fast_math, don't generate
4839 cror operations for FP conditionals.
4841 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
4843 (ASM_SPEC): Likewise.
4844 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
4845 (CC1_SPEC): Likewise.
4846 (LINK_TARGET_SPEC): Likewise.
4847 (CPP_ENDIAN_SPEC): Likewise.
4848 * Makefile.in (check-consistency): New target.
4850 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
4852 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
4853 "return type defaults" warning for functions with return type
4855 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
4856 function declarations by default rather than only when pedantic.
4858 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
4860 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
4863 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4865 * extend.texi (Deprecated): Deprecate new initializer lists.
4867 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
4869 * mkdeps.c (deps_add_default_target): Robustify. Add
4870 basename component only.
4871 * cpp.texi (-M): Describe how default target is generated.
4872 * invoke.texi (-M): Likewise.
4874 2001-02-12 Kazu Hirata <kazu@hxi.com>
4876 * toplev.c (push_float_handler): Remove.
4877 (pop_float_handler): Remove.
4878 * toplev.h: Remove prototypes for the above functions.
4880 2001-02-12 Jakub Jelinek <jakub@redhat.com>
4882 * c-common.c (constant_fits_type_p): New function.
4883 (convert_and_check): Use it.
4885 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4887 * Makefile.in (GXX_ABI_FLAG): Don't define.
4888 * configure.in (--enable-new-gxx-abi): Remove option.
4889 * config.in: Regenerated.
4890 * configure: Likewise.
4892 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
4894 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
4896 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
4897 regular basic block, and arrange for all edges into it to switch
4900 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4902 * Makefile.in (distclean): Do not remove .gdbinit.
4904 2001-02-11 Mark Mitchell <mark@codesourcery.com>
4906 * Makefile.in (gcc.o): Fix typos.
4907 (protize.o): Likewise.
4908 (unprotoize.o): Likewise.
4910 2001-02-11 Richard Henderson <rth@redhat.com>
4912 * tree.c (build1): Check for null operand in last change.
4914 2001-02-11 Richard Henderson <rth@redhat.com>
4916 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
4917 (fold): Don't assume a constant isn't foldable.
4918 * tree.c (build): Set TREE_CONSTANT for an expression with no
4919 side-effects and constant operands.
4922 2001-02-10 Richard Henderson <rth@redhat.com>
4924 * jump.c (squeeze_notes): Revert 2000-05-12 change.
4926 2001-02-10 Anthony Green <green@redhat.com>
4928 * cpp.texi (Standard Predefined): Add documentation for
4931 * c-common.c (combine_strings): Improve warning message.
4933 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
4935 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
4937 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
4939 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
4941 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
4944 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
4946 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
4949 2001-02-09 Nick Clifton <nickc@redhat.com>
4951 * config/arm/arm.md: Change output contraint on post inc
4952 load/store multiple patterns to be a read/write contraint.
4954 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
4956 * gcc.c (cpp_options): Delete .d files on error. Don't delete
4957 .o files when using the -M options.
4959 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4960 David Edelsohn <edelsohn@gnu.org>
4962 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
4963 handle DImode constants. Use one TOC entry for SImode and smaller
4964 constants, aligned properly.
4966 2001-02-08 Jason Merrill <jason@redhat.com>
4968 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
4969 about the SP adjustment for saving the static chain pointer.
4970 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
4971 offset when setting a temporary CFA register.
4973 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
4975 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
4976 powerpc-*-chorusos* .
4977 * config/rs6000/chorus.h : New file.
4978 * config/i386/chorus.h : New file.
4979 * config/sparc/chorus.h : New file.
4980 * config/sparc/t-chorus-elf : New file.
4982 2001-02-08 David Edelsohn <edelsohn@gnu.org>
4984 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
4985 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
4986 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
4987 (__WCHAR_TYPE__): Correct macro name.
4989 2001-02-08 Richard Henderson <rth@redhat.com>
4991 * config/i386/i386.c (ix86_frame_pointer_required): New.
4992 (ix86_setup_frame_addresses): New.
4993 (struct machine_funciton): Add accesses_prev_frame.
4994 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
4995 ix86_frame_pointer_required.
4996 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
4997 (SETUP_FRAME_ADDRESSES): New.
4998 * config/i386/i386-protos.h: Update.
4999 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5000 from FRAME_POINTER_REQUIRED.
5001 * config/i386/svr3gas.h: Likewise.
5002 * config/i386/sysv3.h: Likewise.
5003 * config/i386/v3gas.h: Likewise.
5005 2001-02-08 Richard Henderson <rth@redhat.com>
5007 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5008 calculation of the number of integer registers required.
5009 (function_arg_record_value): Likewise.
5011 2001-02-08 Jason Merrill <jason@redhat.com>
5013 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5014 two. Print file and line with "confused" message.
5016 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5018 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5020 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5022 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5024 * final.c (cleanup_subreg_operands): The address of a MEM can
5027 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5030 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5032 * gcc.texi (Incompatibilities): Update documentation of
5033 preprocessing numbers.
5035 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5037 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5039 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5041 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5043 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5044 * gcc.c (struct compiler): Add cpp_spec field.
5045 (input_file_compiler): New variable.
5046 (do_spec_1): Allow a particular compiler to handle `%C'
5048 (main): Store the current compiler in input_file_compiler.
5049 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5051 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5053 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5054 * cppinit.c (cpp_create_reader): Initialize them.
5055 (append_include_chain): cxx_aware arg might be unused.
5056 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5057 keywords and give them their phase 7 meaning. Pedwarn about
5058 this unless '__bool_true_false_are_defined' is defined.
5060 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5062 * lcm.c (optimize_mode_switching): Emit mode_set before the
5063 JUMP_INSN of an abnormal edge.
5065 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5067 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5068 a scheduling barrier at the end.
5070 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5072 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5074 * config/sh/sh.md (reload_outsf): Removed.
5075 (movsf_ie): Introduce constraints for FPUL loads and stores.
5076 (reload_insf): Broaden the output constraint.
5078 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5080 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5081 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5083 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5085 * final.c: Revert my previous changes.
5086 * output.h: Make profile_label_no extern.
5087 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5088 for generating label.
5090 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5092 * config/i386/djgpp.h: Add comments about standard paths.
5093 (MD_EXEC_PREFIX): Undefine before defining.
5094 (MD_STARTFILE_PREFIX): New.
5096 2001-01-30 Bruce Korb <bkorb@gnu.org>
5098 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5099 (load_file): do not rely on load_file_data() to close file pointer
5100 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5101 fixinc/inclhack.def(irix_limits_const): add test_text
5103 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5105 * cppexp.c (parse_defined): Improve diagnostics for invalid
5108 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5110 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5112 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5114 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5115 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5116 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5117 (rs6000_output_symbol_ref): New function.
5118 (output_toc): Use VTABLE_NAME_P.
5120 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5122 * print-tree.c (print_node, case PARM_DECL):
5123 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5125 * stor-layout.c (reference_types_internal): New variable.
5126 (internal_reference_types): New function.
5127 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5128 * tree.h (internal_reference_types): New declaration.
5130 * cse.c (find_best_addr): Fix typo in computing cost.
5132 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5134 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5135 and this is the sum of a pointer and a constant, we know the result
5137 (num_sign_bit_copies, case PLUS): Likewise.
5138 * explow.c (convert_memory_address): Remove opposite SUBREG.
5139 * function.c (instantiate_new_reg): New function (from common code).
5140 (instantiate_virtual_regs_1): Call it.
5141 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5142 if pointers sign- or zero-extend.
5143 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5144 If pointers extend unsigned, use inside of SUBREG.
5145 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5147 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5149 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5150 subdir of gcc_gxx_include_dir.
5151 (gcc_gxx_target_include_dir): Remove.
5153 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5155 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5156 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5157 a high-level description.
5159 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5161 * final.c: Move the declaration of profile_label_no to ...
5162 * output.h: ... here.
5163 * function.c (expand_function_start): Call PROFILE_HOOK.
5164 * config/rs6000/aix.h: Define PROFILE_HOOK.
5165 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5166 * config/rs6000/rs6000.c (output_profile_hook): Define.
5167 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5168 output_profile_hook.
5169 tm.texi : Explain new macro PROFILE_HOOK.
5171 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5173 * extend.texi (Extended Asm): Do not say that semicolon is always
5174 a valid line-breaking character for GNU assemblers. Use
5175 newline-tab as the most commonly supported syntax. Use
5176 newline-tab rather than semicolon in multi-insn examples.
5178 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5180 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5182 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5183 David Edelsohn <edelsohn@gnu.org>
5185 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5186 code for AIX, even without flag_pic.
5188 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5190 * c-typeck.c (common_type): push and pop binding level around
5191 calling common_type on function parameters.
5193 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5195 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5197 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5199 * config/mips/mips.c (override_options): Fix typo in last change.
5200 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5201 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5203 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5205 * invoke.texi (-fdump-class-layout): Document.
5206 (-fdump-translation-unit): Use `=' as filename separator.
5208 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5210 * Makefile.in (s-mlib): Don't build multilibs if
5212 (DRIVER_DEFINES): Adjust accordingly.
5214 (protoize.o): Likewise.
5215 (unprotoize.o): Likewise.
5216 * configure.in: Recognize --enable-multilib.
5218 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5220 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5222 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5223 * configure.in: Remove --enable-libstdcxx_v3 support.
5224 * configure: Regenerated.
5226 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5228 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5229 Call abort instead of fatal.
5230 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5231 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5232 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5233 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5234 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5235 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5237 * diagnostic.h (set_internal_error_function): Renamed.
5238 * toplev.h (internal_error): Renamed from fatal.
5239 (pfatal_with_name): Deleted.
5240 (fatal_io_error): Now has printf-style arguments.
5241 * diagnostic.c (pfatal_with_name): Deleted.
5242 (fatal_io_error): Rework to have args in printf-style.
5243 (set_internal_error_function): Renamed from set_fatal_function.
5244 (internal_error): Renamed from fatal.
5245 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5246 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5247 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5248 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5249 * flow.c (verify_flow_info): Likewise.
5250 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5251 * config/mips/mips.c (save_restore_insns): Likewise.
5253 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5254 * flow.c (verify_flow_info): Likewise.
5255 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5256 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5257 (avr_normalize_condition): Likewise.
5258 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5259 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5260 (limit_reload_class, double_reg_to_memory): Likewise.
5261 (print_operand_address, emit_1600_code_shift): Likewise.
5262 (gen_tst_reg, gen_compare_reg): Likewise.
5263 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5264 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5266 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5268 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5269 * objc/objc-act.c (build_ivar_chain): Likewise.
5270 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5272 * graph.c (clean_graph_dump_file): Likewise.
5273 * profile.c (init_branch_prob): Likewise.
5274 * objc/objc-act.c (objc_init): Likewise.
5276 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5277 * config/avr/avr.c (avr_override_options): Likewise.
5278 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5279 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5280 * config/h8300/h8300.c (h8300_init_once): Likewise.
5281 * config/mips/mips.c (override_options): Likewise.
5282 * config/i386/i386.c (override_options): Likewise, rework.
5283 * config/m68k/m68k.c (override_options): Likewise.
5285 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5287 * config/mips/mips.c (print_operand): Likewise.
5288 * hash.c (hash_allocate): Don't check for failure returns from
5289 obstack functions that can't fail.
5290 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5291 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5292 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5293 (get_object_reference): Likewise.
5295 2001-02-04 Nick Clifton <nickc@redhat.com>
5297 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5298 StrongARM1110, 10TDMI, and 1020T.
5300 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5302 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5304 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5306 * config/sh/sh.md (movdf load split): Pass register number to
5307 FP_OR_XD_REGISTER_P.
5309 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5311 * cppinit.c (BC): New macro.
5312 (builtin_array): Add __GXX_WEAK__.
5313 * cpplib.h (builtin_type): Add BT_WEAK.
5314 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5315 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5316 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5318 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5320 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5322 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5324 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5325 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5327 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5329 * cpphash.h: Rename ALIGN _ALIGN.
5330 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5332 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
5334 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
5335 compilation environment.
5336 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
5337 control over location of cygwin includes and libs.
5339 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5341 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
5343 2001-02-02 lars brinkhoff <lars@nocrew.org>
5345 * md.texi (Standard Names): remove reference to spur.md.
5347 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
5349 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
5350 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
5351 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
5352 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
5353 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5355 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5357 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
5358 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
5359 number before reload.
5360 (c4x_adjust_cost): Return zero before reload.
5361 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
5362 split before reload.
5364 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5366 * c4x.c (c4x_hard_regno_rename_ok): New.
5367 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
5368 * c4x.h (HARD_REGNO_RENAME_OK): Define.
5370 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5372 * diagnostic.h: Add missing "extern" in all declarations.
5374 2001-02-02 Alex Samuel <samuel@codesourcery.com>
5376 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
5377 as for gcc_gxx_include_dir.
5379 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
5381 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
5383 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5385 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
5386 label before alignment to be used as the braf base address.
5387 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
5389 (casesi_jump_2): Require at least TARGET_SH2.
5391 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
5392 truncation to 32-bit doubles on -m3e and -m4-single-only.
5394 2001-02-02 Mark Mitchell <mark@codesourcery.com>
5396 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
5397 the default when building a shared object.
5398 (init_spec): Use it.
5399 * testsuite/lib/g++.exp: Include the directory where libgcc
5400 is located to the LD_LIBRARY_PATH list.
5401 * invoke.texi (-shared-libgcc): Document the cases in which
5402 GCC defaults to using the shared libgcc.
5404 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
5406 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
5407 unsigned is wide enough.
5409 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
5410 (si_to_float): Likewise.
5411 (float_to_si, float_to_usi): Use BITS_PER_SI.
5413 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5415 * dwarf2out.c: Added explanation of abbreviations.
5416 (def_cfa_1): Added comments listing DWARF2 instructions.
5417 (cfa_temp_reg): Removed in favor of cfa_temp.
5418 (cfa_temp_value): Removed in favor of cfa_temp.
5419 (cfa_temp): New global variable.
5420 (dwarf2out_frame_debug_expr): Added extensive introductory
5421 comments explaining the function's transformations. Revised to
5422 use cfa_temp. Added some rtx checking. Generalize IOR case.
5423 (dwarf2out_frame_debug): Revised to use cfa_temp.
5424 (output_aranges): Cast as "unsigned" to avoid warning.
5425 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
5426 explain which instructions must be marked.
5428 2001-02-01 Richard Henderson <rth@redhat.com>
5430 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
5433 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
5435 * config/sh/crt1.asm (main_k): Modified so that start calls
5436 ___setup_argv_and_call_main.
5438 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
5440 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
5441 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
5442 and AVOID_LPASTE is cleared on meeting an unescaped newline.
5443 * cppmacro.c (builtin_macro): Set builtin flags here.
5444 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
5445 (replace_args): Clarify intent.
5446 (cpp_get_token): Macro expansion tokens get the saved flags.
5448 * cppmain.c (scan_buffer): Remove now-redundant print.printed
5451 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
5453 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
5456 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5458 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
5459 returns Pmode pseudo, but we need ptr_mode.
5460 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
5461 Remove bogus conversions; use HOST_WIDE_INT for size.
5462 Don't use TARGET if wrong mode.
5464 * config/i386/i386.c (ix86_compute_frame_size): Allow
5465 stack_alignment_needed to be non-default even if size is zero.
5467 2001-01-31 Alan Modra <alan@linuxcare.com.au>
5469 * pa.c (hppa_init_pic_save): New function.
5470 * pa.h (hppa_init_pic_save): Declare.
5471 * pa.md (call, call_value, sibcall, sibcall_value): Use
5472 the above instead of duplicated code.
5474 * pa.c (hppa_encode_label): Correct size of alloca buffer
5475 so we don't overrun it. Correct leading `*' case.
5476 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
5477 need to handle `*@'.
5478 (FUNCTION_NAME_P): Likewise.
5480 2001-01-31 Richard Henderson <rth@redhat.com>
5482 * config.gcc (alpha-osf5): Use float-i128.h.
5484 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
5485 * config/float-i32.h: Likewise.
5486 * config/float-i64.h: Likewise.
5487 * config/float-sh.h: Likewise.
5488 * config/float-sparc.h: Likewise.
5490 2001-01-31 DJ Delorie <dj@redhat.com>
5492 * expmed.c (extract_bit_field): allow non-integral modes if we
5493 want to extract a whole register from itself.
5495 2001-01-31 Jakub Jelinek <jakub@redhat.com>
5497 * c-typeck.c (set_init_index): If first is equal to last, assume as
5498 if it was not a range at all.
5500 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5502 * config/fp-bit.c: Include tm.h.
5503 (float_to_si): Don't assume SImode is 32-bits wide.
5504 (float_to_usi): Likewise.
5506 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
5508 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
5510 (typename): Call pending_xref_error after parsing typed_typespecs.
5511 * c-decl.c (lookup_tag): Give error immediately rather than
5512 leaving it pending if the tag of the wrong type is in the same
5514 (xref_tag): Don't pedwarn for forward declarations of enum types
5516 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
5519 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5521 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
5523 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5525 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
5526 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
5528 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
5530 * cpphash.h (struct cpp_reader): New saved_flags.
5531 * cppmacro.c (cpp_get_token): Use saved_flags to remember
5532 to avoid a paste after a pasted token.
5534 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
5536 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
5537 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
5538 Wtype_MIN instead of LONG_MIN.
5540 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5542 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
5544 * fixinc/fixincl.x: Regenerated.
5545 * fixinc/inclhack.def (irix_limits_const): New definition to
5546 convert "const" to "__const" in limits.h.
5548 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
5550 * fixinc/genfixes (AG): Fix "autogen4" thinko.
5552 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5554 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
5555 when register dies in the insn.
5557 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5559 * diagnostic.c (fatal): Fix word wrap.
5561 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
5563 * combine.c (try_combine): Fix SUBREG setting for
5564 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
5566 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5568 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
5571 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
5573 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
5575 * toplev.c (decode_W_option): Update warn_larger_than
5576 unconditionally for each processed switch.
5578 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
5580 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
5582 (hppa_expand_prologue): Delete code to save pic offset table register
5583 in the function prologue.
5584 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
5585 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
5586 table register at the beginning of the function after the prologue.
5588 2001-01-29 lars brinkhoff <lars@nocrew.org>
5590 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
5592 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
5593 Jeff Law <law@redhat.com>
5595 * pa.md (return): Revise comment for trivial return.
5596 (return_internal): Non-trivial return pattern for non-PIC code.
5597 (return_internal_pic): Non-trivial return pattern for PIC code.
5598 It uses the PIC register to ensure it is restored after
5600 (epilogue): Generate appropriate return for PIC and non-PIC code.
5602 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
5604 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
5606 2001-01-29 DJ Delorie <dj@redhat.com>
5608 * combine.c (if_then_else_cond): Pass the correct mode to
5609 operand_subword() for constants.
5611 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
5613 * config/i386/cygwin.h: Add w32api to include search. Search different
5614 directories in a cross-build environment.
5616 2001-11-29 Tim Josling <tej@melbpc.org.au>
5618 * tree.h (TYPE_STUB_DECL): Add documentation.
5620 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
5622 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
5623 (sdbout_field_types): Likwise. Fix use of host_integerp.
5625 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
5627 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
5630 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
5632 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
5633 to use flag_gnu_linker.
5635 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
5637 * cpplib.c (T_BAD_DIRECTIVE): Remove.
5638 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
5640 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
5642 * tree.c, tree.h (build_parse_node): Remove; was identical to
5644 * c-lang.c (start_cdtor), objc/objc-act.c
5645 (build_module_descriptor): Use build_nt instead of
5648 2001-01-29 Jakub Jelinek <jakub@redhat.com>
5650 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
5651 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
5652 not have any upper bits set.
5654 2001-01-29 Phil Edwards <pme@sources.redhat.com>
5656 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
5658 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5660 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
5662 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
5664 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
5665 (integer_minus_one_node): Define.
5667 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
5669 * Makefile.in (bootstrap2-lean): Fix typo.
5671 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
5673 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
5674 : Don't set fe_value.
5675 * cpplib.h (AVOID_LPASTE): New flag.
5676 (struct cpp_hashnode): Remove fe_value.
5677 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
5678 * cppmacro.c (builtin_macro): Don't set flags here.
5679 (replace_args): Set AVOID_LPASTE flag on first token of an
5680 argument, and the token following it.
5681 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
5682 macro expansion, and on the token following it. Do it for
5684 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
5686 2001-01-27 Richard Henderson <rth@redhat.com>
5688 * config/alpha/t-ieee: Remove multilibbing.
5689 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
5691 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5693 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
5695 * Makefile.in: Remove all dependencies on defaults.h.
5696 * builtins.c: Don't include defaults.h.
5697 * c-common.c: Likewise.
5698 * c-decl.c: Likewise.
5699 * c-pragma.c: Likewise.
5700 * c-typeck.c: Likewise.
5701 * combine.c: Likewise.
5703 * frame-ia64.c: Likewise.
5704 * cppexp.c: Likewise.
5705 * crtstuff.c: Likewise.
5706 * dbxout.c: Likewise.
5707 * dwarf2out.c: Likewise.
5708 * dwarfout.c: Likewise.
5709 * emit-rtl.c: Likewise.
5710 * except.c: Likewise.
5712 * final.c: Likewise.
5713 * frame-dwarf2.c: Likewise.
5714 * libgcc2.c: Likewise.
5715 * optabs.c: Likewise.
5716 * profile.c: Likewise.
5717 * sdbout.c: Likewise.
5718 * toplev.c: Likewise.
5719 * tradcif.y: Likewise.
5721 * varasm.c: Likewise.
5723 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5725 * builtins.c (expand_builtin_fputs): Use size_one_node when
5726 transforming into fwrite.
5728 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
5730 * extend.texi (Attribute Syntax): New section.
5732 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5734 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
5735 they didn't need fixing.
5737 2001-01-27 Janis Johnson <janis@us.ibm.com>
5739 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
5741 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
5742 to remove macro definitions that are duplicated from elfos.h.
5744 2001-01-27 Richard Henderson <rth@redhat.com>
5746 * config/i386/sco5gas.h: Move ...
5747 * config/usegas.h: ... here.
5748 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
5750 2001-01-27 Jakub Jelinek <jakub@redhat.com>
5752 * c-typeck.c (struct constructor_stack): Add range_stack member.
5753 (really_start_incremental_init): Clear it.
5754 (push_init_level): Save constructor_range_stack and clear it if
5755 pushing explicit braces.
5756 (pop_init_level): abort if constructor_range_stack is non-zero at
5757 explicit closing brace. Restore saved constructor_range_stack if
5760 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5762 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
5763 into register was forced into memory.
5765 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
5767 * Makefile.in: Remove uses of + before $(MAKE).
5769 2001-01-26 Richard Henderson <rth@redhat.com>
5771 * stmt.c (cost_table): Remove.
5772 (COST_TABLE, cost_table_initialized): New.
5773 (estimate_case_costs): Use the later instead of the former.
5774 (balance_case_nodes): Likewise.
5776 2001-01-26 Richard Henderson <rth@redhat.com>
5778 * alias.c (objects_must_conflict_p): Read-only slots may not
5779 conflict despite having the same type.
5781 2001-01-27 Michael Hayes <mhayes@redhat.com>
5783 * loop.c (loop_giv_reduce_benefit): Copy mode size into
5785 (check_ext_dependant_givs): Initialise u_start_val and
5787 (load_mems): Make last_max_reg unsigned.
5788 (try_swap_copy_prop): Use INSN_P and initialise set.
5790 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
5792 * README.AVR : Removed.
5794 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
5796 * pa-64.h (text_section): Remove declaration.
5798 * pa.md (return_internal): Remove mode on PIC register use.
5800 2001-01-25 lars brinkhoff <lars@nocrew.org>
5802 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
5803 ASM_CLOSE_PAREN): fix typos.
5805 2001-01-25 Mark Mitchell <mark@codesourcery.com>
5807 * acconfig.h: Define `const' to the empty string if neither
5808 __STDC__ nor __cplusplus is defined.
5809 * config.in: Regenerated.
5811 2001-01-25 David Edelsohn <edelsohn@gnu.org>
5813 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
5814 * collect2.c (main): Delete importf. Add ".obj" file extension.
5815 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
5816 (aix_std_libs): Add additional AIX libraries to skip.
5817 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
5818 * config/rs6000/aix51.h: New file.
5820 2001-01-25 Michael Hayes <mhayes@redhat.com>
5822 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
5823 (loop_insn_emit_before): No longer static.
5824 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
5825 (loop_givs_rescan, load_mems): Likewise.
5826 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
5827 (maybe_eliminate_biv_1):
5828 (move_movables): Replace emit_call_insn_before with
5829 loop_call_insn_hoist.
5830 * loop.h (loop_insn_emit_before): Add.
5831 * unroll.c (copy_loop_body): Replace emit_insn_before with
5832 loop_insn_emit_before.
5834 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
5836 * diagnostic.c (fatal): Request preprocessed source.
5838 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
5840 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
5841 olddecl has argument types and newdecl has none, use the argument
5844 2001-01-24 Ulrich Drepper <drepper@redhat.com>
5846 * dwarf2out.c (prefix_of): New function. Determine longest common
5847 prefix of the two arguments. The units are whole path components.
5848 (output_file_names): When adding a new directory find the one entry
5849 with the longest common prefix already in the list. Artificially
5850 generate entry if there is none for this prefix.
5851 Fix test to check whether the zeroth directory entry is used.
5853 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
5855 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
5856 Changed all callers. Take it into account when deciding if a
5857 previously loaded value matches.
5859 2001-01-24 Richard Henderson <rth@redhat.com>
5861 * reload.c (find_reloads_subreg_address): Fail the substitution
5862 if the resulting address is insufficiently aligned.
5864 2001-01-24 DJ Delorie <dj@redhat.com>
5866 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
5867 check the original operand's mode also.
5868 * simplify-rtx.c (simplify_ternary_operation): Ditto.
5870 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5872 * c-parse.in (cast_expr): Move compound literals from here ...
5873 (primary): ... to here. Use standard terminology "compound
5874 literal" instead of "constructor expression".
5876 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
5878 * gcc.1, cpp.1: Regenerate.
5880 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
5882 * calls.c (emit_library_call_value_1): Memory slot for
5883 pass-by-reference argument should have the mode of the argument,
5884 not of the pointer to it.
5886 2001-01-24 Tom Tromey <tromey@redhat.com>
5888 * gcc.texi (G++ and GCC): Mention gcj manual.
5889 (Standards): Link to section of manual mentioning gcj/Java
5892 2001-01-24 Jakub Jelinek <jakub@redhat.com>
5894 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
5895 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
5896 * tradcpp.c (main): Add -imacros or -include'd dependencies
5898 * cpp.texi (-M, -MM): Document -M -include behaviour.
5900 2001-01-24 Roger Collins <roger@ProProject.com>
5902 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
5904 2001-01-24 Will Cohen <wcohen@redhat.com>
5906 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
5907 whether registers are 32 bits or 64 bits in size.
5909 2001-01-24 Ben Elliston <bje@redhat.com>
5911 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
5913 2001-01-24 Richard Henderson <rth@redhat.com>
5915 * config/alpha/alpha.md (builtin_longjmp_internal): New.
5916 (builtin_longjmp): Use it instead of emit_indirect_jump.
5918 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
5920 * bb-reorder.c (make_reorder_chain_1): Handle case where
5921 jump edge goes to the same block as the fallthru edge.
5923 2001-01-23 Jim Wilson <wilson@redhat.com>
5925 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
5926 * frame.h (__ia64_personality_v1): Add prototype.
5927 * libgcc2.c (ia64_throw_helper): Change personality declaration to
5928 prototype form. Add void * cast to first argument to personality
5930 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
5931 (asctoe113): Likewise.
5932 * config/ia64/frame-ia64.c: Include eh-common.h.
5933 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
5935 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
5937 (itanium_split_issue): Add prototype.
5938 (gen_nop_type): Ifdef out.
5939 (find_best_packet): Initialize best_packet.
5940 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
5942 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
5943 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
5944 (flushrs): Add explicit stop bit at end.
5945 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
5948 2001-01-23 Chris Demetriou <cgd@broadcom.com>
5950 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
5952 * libgcc2.c (__terminate_func): Make variable static.
5953 (__terminate_set_func): New function to set __terminate_func.
5954 * libgcc2.h (__terminate_func_ptr): New typedef.
5955 (__terminate_set_func): New function.
5957 2001-01-23 Richard Henderson <rth@redhat.com>
5959 * flow.c (init_propagate_block_info): Don't consider unchanging
5960 memories for dead frame store elimination.
5962 2001-01-23 Richard Henderson <rth@redhat.com>
5964 * varasm.c (UNIQUE_SECTION): Move default implementation ...
5965 * defaults.h: ... here.
5967 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5969 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
5971 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
5973 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5975 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5977 * rs6000.h (rs6000_return_addr): Move prototype from here...
5978 * rs6000-protos.h (rs6000_return_addr): ...to here.
5979 (rs6000_init_expanders): Delete prototype.
5981 2001-01-23 Nick Clifton <nickc@redhat.com>
5983 * invoke.texi: Replace , with \, inside @gccoptlist macros.
5984 (Spec Files): Document %B and %j and %. and %v3 and %M and
5985 %{S*&T} spec switches.
5987 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5989 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
5991 2001-01-23 Chris Demetriou <cgd@sibyte.com>
5992 Neil Booth <neil@daikokuya.demon.co.uk>
5994 * cpperror.c: Merge handlers of PEDWARN and WARNING.
5995 Have -Werror make pedantic warnings errors, like the
5998 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6000 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6002 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6004 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6005 * integrate.c (expand_inline_function): Initialize them.
6006 (subst_constants): If changing COMPARE so that both its arguments
6007 will be VOIDmode and the comparison mode will be lost, note
6008 compare_mode. Use the recorded compare_mode to optimize
6011 2001-01-23 Jason Merrill <jason@redhat.com>
6013 * dwarf2out.c (new_die): Use xcalloc.
6014 (output_die): Abort rather than emit a local reference to offset 0.
6016 2001-01-17 Andrew Haley <aph@redhat.com>
6018 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6019 of a saved register; return NULL instead.
6020 (copy_reg): Take a pointer to a source register rather than a
6022 (next_stack_level): Remember the address in the stack frame of all
6024 Use the saved register pointer array as the source of the CFA.
6025 (throw_helper): Rewrite. Unwind once rather than twice and keep
6026 track of saved registers as we go.
6028 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6030 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6031 * c4x.c (c4x_legitimize_reload_address): Remove.
6032 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6033 reload address for ldp(k) insn.
6035 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6037 * pa.md (return_internal): Add a USE of the PIC register to ensure
6038 it is restored after each call.
6039 (return expander): Corresponding changes.
6041 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6043 * rs6000.h (INIT_EXPANDERS): Delete.
6044 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6045 * rs6000.c (rs6000_override_options): Call *_machine_status from
6047 (rs6000_init_expanders): ...instead of here. Delete.
6048 (rs6000_mark_machine_status): New function.
6049 (rs6000_init_machine_status): Use xcalloc.
6050 (rs6000_return_addr): Generate RTX for the return address.
6051 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6052 (rs6000_stack_info): Use it.
6054 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6056 * gthr-win32.h: Include errno.h to get a declaration for
6057 EINVAL and _mingw.h if the target is mingw32.
6059 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6061 * cpp.texi: Correct typos.
6063 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6065 * explow.c (probe_stack_range): Ensure value passed to
6066 stack_check_libfunc is ptr_mode, not Pmode.
6068 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6070 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6071 case, don't use operand_subword to calculate a SUBREG that is
6074 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6076 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6078 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6079 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6080 valid. If not replace it by equivalent insns.
6082 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6084 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6085 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6086 (c4x_U_constraint, symbolic_address_operand): Likewise.
6087 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6089 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6090 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6091 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6092 anulling slot because of silicon bug.
6093 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6095 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6097 * cppexp.c (parse_charconst): Change `mask' type to agree
6100 2001-01-21 Richard Henderson <rth@redhat.com>
6102 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6103 pic_label_name in a linkonce section.
6105 2001-01-17 Philipp Thomas <pthomas@suse.de>
6107 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6109 * configure: Regenerate.
6111 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6113 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6114 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6116 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6118 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6119 If REVERSE nonzero then condition code in X must be reversed.
6120 (encode_section_info): Optimise if/else.
6121 (avr_function_value): Fix formatting.
6123 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6124 (difficult_branch): Likewise.
6125 (rvbranch): Likewise.
6126 (difficult_rvbranch): Likewise.
6128 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6130 * config/avr/libgcc.S: Fix comment.
6132 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6134 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6136 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6138 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6140 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6142 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6143 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6144 * configure, config.in: Regenerate.
6145 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6146 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6147 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6148 (doprint.o): New rule.
6150 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6152 * c-typeck.c (digest_init): Handle boolean types as scalars.
6154 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6156 * stmt.c (expand_return): Don't return anything if size is zero.
6157 Delete redundant assignment to BYTES.
6158 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6160 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6162 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6163 the same as the default library function names.
6164 * config/avr/avr.md: Document special characters after '%'.
6165 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6166 knowing which of the call-used registers are really clobbered.
6167 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6168 New. Both quotient and remainder from one libgcc.S call.
6169 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6170 clobber as few registers as possible.
6171 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6173 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6175 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6176 context of the top of the stack.
6178 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6180 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6181 (fixup_var_refs_insns): ...here.
6183 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6185 * function.c (fixup_var_refs_insns): Break up into
6186 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6187 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6188 [loop over hash table entries].
6189 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6190 fixup_var_refs_insns_with_hash, to match above changes.
6192 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6194 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6195 (libgcc.a): Likewise.
6196 (stmp-multilib): Likewise.
6197 (STAGE2_FLAGS_TO_PASS): Likewise.
6199 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6201 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6202 temporary if no_new_pseudos.
6204 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6206 * cppinternals.texi: Update.
6208 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6210 * arm.c (arm_init_builtins): Re-enable builtins.
6212 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6214 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6215 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6216 element to be null, and always expect an EXPR_LIST.
6217 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6218 * sched-deps.c (sched_analyze_1): Likewise.
6219 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6221 * regclass.c (max_set_parallel): New variable.
6222 (reg_scan): Take it into account in computation of max_parallel.
6223 (reg_scan_mark_refs, case SET): Compute it.
6225 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6227 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6228 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6230 2001-01-19 Jason Merrill <jason@redhat.com>
6232 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6233 for the abstract instance of an inline function.
6235 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6236 J"orn Rennecke <amylaar@redhat.com>
6238 * reload1.c (move2add_note_store): Treat all registers directly or
6239 indirectly derived from a base register as members of the same set
6241 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6242 of base register into account.
6244 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6246 * alias.c (find_base_value): Recognize TRUNCATE.
6247 (record_set): In PLUS case, invalidate if other summand is also a
6250 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6252 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6253 entry to be EXPR_LIST.
6254 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6255 be an EXPR_LIST (but not null, which other code doesn't allow).
6256 (note_stores): Properly handle PARALLEL in SET.
6257 Recursively call for top-level PARALLEL.
6258 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6259 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6261 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6263 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6265 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6266 not pfile->skipping (== 0).
6268 2001-01-17 Nick Clifton <nickc@redhat.com>
6270 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6273 2001-01-17 Jim Wilson <wilson@redhat.com>
6275 * invoke.texi (IA-64 options): Improve.
6277 2001-01-17 Tom Tromey <tromey@redhat.com>
6279 * invoke.texi (Optimize Options): Use `{}' to around @samp
6282 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6284 * invoke.texi (-fno-guess-branch-probability): New option.
6286 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6288 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6289 case of making new double-word constant.
6290 Revert last change: instead just test i3_subst_into_i2.
6292 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6294 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6295 Use q constraints instead of r.
6297 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6299 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6300 (machine_function): Define.
6301 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6302 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6303 pa_free_machine_status): New functions.
6304 (override_options): Set {init,mark,free}_machine_status to above.
6305 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6306 PIC_OFFSET_TABLE_REGNUM_SAVED.
6307 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6308 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6309 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6310 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6311 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6313 2001-01-15 DJ Delorie <dj@redhat.com>
6315 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6319 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6321 * flow.c (propagate_on_insn): Make trying to delete a prologue
6322 or epilogue insn an ICE, not a warning. Allow doing this if
6323 the current function returns with stack pointer depressed.
6325 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6326 I3 having more than one SET.
6328 2001-01-16 Jim Wilson <wilson@redhat.com>
6330 * invoke.texi: Document IA-64 options.
6332 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
6333 (fixup_errata): Delete TARGET_A_STEP use.
6334 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
6335 (TARGET_SWITCHES): Delete -ma-step option.
6336 * config/ia64/ia64.md (all FP patterns): Delete %B0.
6337 (movqicc_astep, movqi_internal_astep, movhicc_astep,
6338 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
6339 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
6340 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
6341 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
6343 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
6344 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
6345 cmovsi_internal): Delete ! TARGET_A_STEP check.
6347 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6349 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
6350 possibility to report bugs via postal mail. Change a URL and
6351 merge in a nearly duplicate statement...
6352 (Bug Reporting): ...from here.
6353 (Service): Refer to the Bug Reporting section instead of
6355 (Contributing): Remove trivial explanations concerning snapshots.
6357 2001-01-16 Alan Modra <alan@linuxcare.com.au>
6359 * cppmain.c (general_init): Don't use ANSI prototype.
6361 2001-01-16 Tom Tromey <tromey@redhat.com>
6363 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
6365 2001-01-16 Richard Henderson <rth@redhat.com>
6367 * config/i386/i386.h: Fix comment typo.
6368 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
6369 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
6371 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6373 * gcc.c: Revert previous -fsyntax-only-related change; move
6376 2001-01-16 Jakub Jelinek <jakub@redhat.com>
6378 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
6379 inmode after checking GET_CODE (op).
6381 2001-01-16 Richard Henderson <rth@redhat.com>
6383 * flow.c (struct propagate_block_info): Add mem_set_list_len.
6384 (MAX_MEM_SET_LIST_LEN): New.
6385 (propagate_one_insn): Update mem_set_list_len.
6386 (invalidate_mems_from_autoinc): Likewise.
6387 (invalidate_mems_from_set): Likewise.
6388 (mark_used_regs): Likewise.
6389 (init_propagate_block_info): Likewise. Stop collecting memories
6390 when we reach MAX_MEM_SET_LIST_LEN.
6391 (mark_set_1): Likewise.
6393 2001-01-16 Richard Henderson <rth@redhat.com>
6395 * unroll.c (precondition_loop_p): Fail if no iteration
6398 2001-01-16 Phil Edwards <pme@sources.redhat.com>
6400 * gcc.c: When -fsyntax-only is given, do not complain about
6403 2001-01-15 Richard Henderson <rth@redhat.com>
6405 * config/i386/i386.c (asm_output_function_prefix): Remove.
6406 (ix86_asm_file_end): New.
6407 (load_pic_register): Generate pic_label_name into a
6408 staticly allocated buffer.
6409 * config/i386/i386-protos.h: Update.
6410 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
6411 (ASM_FILE_END): New.
6412 * config/i386/i386afe.h: New file.
6413 * config.gcc (i?86-*-elf) [tm_file]: Use it.
6414 (i?86-*-{freebsd,linux*,moss*}): Likewise.
6415 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
6416 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
6417 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
6418 * config/i386/sco5.h (ASM_FILE_END): Likewise.
6419 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
6421 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
6423 * Makefile.in (install-man): Remove explicit dependency on
6426 * configure.in, configure: Revert previous patch requiring perl
6429 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
6431 * toplev.c (flag_guess_branch_prob): New.
6432 (f_options): Add guess-branch-probability option.
6433 (rest_of_decl_compilation): Only estimate branch probability if
6435 (main): set flag_guess_branch_prob.
6437 * flags.h (flag_guess_branch_prob): New.
6439 2001-01-15 DJ Delorie <dj@redhat.com>
6441 * gcc.texi (Makefile): Add documentation for Makefile targets.
6443 2001-01-15 Philip Blundell <philb@gnu.org>
6445 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
6447 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
6448 (is_pic): Delete declaration.
6449 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
6450 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
6451 * config/arm/arm.md (builtin_setjmp_receiver): New.
6453 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6455 * arm.c (use_return_insn): Don't try to determine the function type
6456 until after reload has completed.
6457 (arm_output_epilogue): Don't adjust the sp value recovered from the
6459 (emit_multi_reg_push): Don't record dwarf information for the pc.
6460 * arm.md (eh_epilogue): The function type may have changed, so it
6461 needs to be recalculated.
6462 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
6463 unwind tables on arm/netbsd.
6465 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6467 * arm.md (cbranchsi4): Correct calculation of branch ranges.
6468 (negated_cbranchsi4): Likewise.
6470 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
6472 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
6473 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6474 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
6475 pass -mapcs-* options to assembler.
6476 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
6477 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
6478 (ASM_SPEC): Call subtarget_extra_asm_spec.
6480 2001-01-15 Andreas Jaeger <aj@suse.de>
6482 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
6484 (ix86_expand_builtin): Likewise.
6486 * gencodes.c (output_predicate_decls): Make i size_t to avoid
6487 warning about comparison between signed and unsigned.
6489 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6491 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
6493 2001-01-14 Ralf Baechle <ralf@gnu.org>
6495 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
6496 SUBTARGET_CPP_SPEC apropriatly.
6498 2001-01-12 Mark Mitchell <mark@codesourcery.com>
6500 * varasm.c (make_decl_rtl): Fix typo in last change.
6502 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
6504 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
6505 linker supports the init_priority C++ attribute.
6506 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
6507 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
6508 linker does not support init_priority C++ attribute.
6510 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
6512 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
6514 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6516 * c-parse.in (finish_parse): Add comment about cpp_destroy.
6517 * cp/lex.c (finish_parse): Similarly.
6518 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
6519 Return the number of errors encountered.
6520 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
6521 * cppmain.c (main): Don't call cpp_destroy.
6523 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
6525 * configure.in: Require at least perl 5.6.0 to regenerate
6527 * configure: Regenerate.
6529 2001-01-14 Richard Henderson <rth@redhat.com>
6531 * genrecog.c (DT_veclen_ge): New.
6532 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
6533 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
6534 (nodes_identical_1): Handle DT_veclen_ge.
6535 (write_cond, debug_decision_2): Likewise.
6537 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6539 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
6541 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
6543 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
6545 * cppmain.c (do_preprocessing): New function; most of the old
6547 (main): Call it to do most of the work.
6548 (cb): Move from global scope to set_callbacks ().
6549 (setup_callbacks): Get the callback pointer.
6550 (general_init, printer_init): Clean up code and comments.
6552 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
6554 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
6557 2001-01-14 Kazu Hirata <kazu@hxi.com>
6559 * config/h8300/h8300.c (get_shift_alg): Update comments.
6561 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6563 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
6564 (alloc_page, ggc_alloc): Add casts to remove warnings.
6566 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
6568 * combine.c (simplify_comparison): Don't change `code' when
6569 can't reverse comparison.
6571 2001-01-14 Richard Henderson <rth@redhat.com>
6573 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
6574 update all call sites. Return true for all non-label constants.
6576 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
6578 * i386.c (ix86_expand_compare): Add bypass_test and second_test
6580 (ix86_expand_branch): Update.
6581 (ix86_expand_setcc): Update to handle multiple test conditions.
6582 (expand_int_movcc): Likewise.
6583 (expand_fp_movcc): Likewise.
6584 * i386-protos.h (ix86_expand_compare): New.
6585 * i386.md (andqi_?_slp, orqi_?_slp): New.
6586 (conditional trap expander): Update call to ix86_expand_compare.
6588 2001-01-14 Richard Henderson <rth@redhat.com>
6590 * config/vax/vax.md: Use nonimmediate_operand instead of
6591 general_operand in destinations.
6593 * config/vax/vax.md (indirect_jump): Use register_operand.
6595 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
6596 * config/vax/vax.md (call_pop): Turn into an expander.
6597 (call_value_pop): Likewise.
6598 (call, call_value): New.
6600 2001-01-14 Andreas Jaeger <aj@suse.de>
6602 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
6604 (ix86_fp_compare_mode): Add unused attribute.
6605 (ix86_expand_fp_movcc): Remove unused variable.
6606 (ix86_expand_builtin): Make fcode unsigned.
6608 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
6609 (expand_expr): Add cast to avoid signed warning.
6610 (store_field): Likewise.
6611 (store_constructor_field): Likewise.
6612 (store_constructor): Likewise.
6613 (store_expr): Likewise.
6614 (clear_storage): Likewise.
6615 (emit_group_store): Likewise.
6616 (emit_group_load): Likewise.
6618 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6620 * c-common.c: Move format checking code to ...
6621 * c-format.c: ... here. New file. Reorder some functions and
6623 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
6625 * c-common.h (decl_handle_format_attribute,
6626 decl_handle_format_arg_attribute): Declare.
6627 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
6628 (c-common.o): Adjust dependencies.
6629 (c-format.o): New list of dependencies.
6631 2001-01-13 Jakub Jelinek <jakub@redhat.com>
6633 * unroll.c (loop_iterations): If we cannot prove iteration variable
6634 is set once in each iteration, punt.
6636 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
6638 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
6639 (*strlenhi): Remove clobber (which was buggy) of output address.
6641 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6643 * Makefile.in (generated-manpages): Add gcc.1
6644 ($(srcdir)/gcc.1): New target.
6645 (maintainer-clean): Delete $(srcdir)/gcc.1.
6646 * gcc.texi: Add macros @gccoptlist and @gol.
6647 * invoke.texi: Include option summary in manpage. Mark up option
6648 summary with @gccoptlist and @gol. Use @r in one place where
6650 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
6651 * gcc.1: Generate from invoke.texi.
6653 2001-01-13 Richard Henderson <rth@redhat.com>
6655 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
6656 (struct page_entry): Add group member.
6657 (struct page_group): New.
6658 (struct globals): Add page_groups member.
6659 (alloc_anon): Only define for using mmap; remove valloc call.
6660 (page_group_index): New.
6661 (set_page_group_in_use): New.
6662 (clear_page_group_in_use): New.
6663 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
6664 (free_page, release_pages): Likewise.
6665 * configure.in (with-gc): Default to ggc-page always.
6667 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6669 * reload1.c (replace_pseudos_in_call_usage): Use
6670 reg_equiv_constant and reg_equiv_address, and don't try
6671 regno_reg_rtx first.
6673 2001-01-13 Richard Henderson <rth@redhat.com>
6675 * ggc-page.c (alloc_page): Round up allocation size to one page.
6676 Set e->order on extra pages.
6678 2001-01-13 Richard Henderson <rth@redhat.com>
6680 * genrecog.c (nodes_identical): Expand commentary.
6681 (write_switch): Watch out for identical nodes.
6683 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6685 * cppfiles.c (_cpp_fake_include): New function.
6686 * cpphash.h (_cpp_fake_include): New.
6687 * cpplib.c (do_line): Call _cpp_fake_include when entering
6688 header files in preprocessed input.
6689 * cppmain.c (cb_pragma_implementation): Remove handling.
6690 (setup_callbacks): Don't register pragmas.
6692 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6694 * extend.texi: Udate for CPP.
6696 2001-01-13 Andreas Jaeger <aj@suse.de>
6698 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
6700 * regmove.c: Add prototype for replace_in_call_usage.
6702 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6704 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
6705 struct cpp_chunk, struct htab, struct toklist,
6706 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
6707 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
6708 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
6709 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
6710 (struct macro_args): Delete.
6711 * cpphash.h: See above.
6713 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6715 * cppmain.c (struct printer): Remove no_line_dirs.
6717 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
6718 : Use options rather than CPP_OPTION.
6719 (setup_callbacks): Use cb rather than pfile->cb.
6720 (main): No need to check for a buffer. Use cpp_errors.
6721 (printer_init): Don't set no_line_dirs.
6722 (maybe_print_line): Use options not no_line_dirs.
6723 (cb_file_change): Don't call print_line if -P.
6725 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6727 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
6729 * c-parse.in (finish_parse): Use cpp_errors.
6730 (__yylex): Use return value of cpp_pop_buffer.
6731 * cp/lex.c (finish_parse): Use cpp_errors.
6732 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
6734 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
6736 * README.AVR: URLs corrected.
6738 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6740 * c-decl.c (start_function): Don't warn if old prototype is builtin
6741 that's not in C's namespace.
6742 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
6743 (_bb): Add prototype for ctime.
6744 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
6746 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
6748 * i386.c (ix86_fp_comparison_arithmetics_cost,
6749 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
6750 ix86_fp_comparison_cost): New functions.
6751 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
6752 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
6753 two-branch sequences; make static.
6754 (ix86_use_fcomi_compare): Do decision according to the costs.
6755 (split_fp_branch): New.
6756 * i386.md (compare-and-branch patterns): Use split_fp_branch.
6757 * i386-protos.h (ix86_expand_fp_compare): Remove
6758 (ix86_split_fp_branch): Declare.
6760 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
6761 and ix86_comparison_operator.
6763 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
6766 * i386.c (put_condition_code): Output properly the unordered/ordered
6767 compares in fp case.
6768 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
6770 * tm.texi (REVERSE_CONDITION): Document.
6771 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
6772 in -ffast-math mode.
6773 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
6775 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
6777 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
6779 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
6782 * config/sh/sh.c (mova_p): Fix test for mova_const.
6784 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6786 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
6787 cpp_get_options rather than dereferencing pfile and using
6789 * scan-decls.c (scan_decls): Use return value of
6790 cpp_pop_buffer rather than CPP_BUFFER.
6792 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
6794 * cppinit.c (cpp_handle_option): help_only is now part of the
6795 cpp_options structure.
6796 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
6797 cpp_set_callbacks): New functions.
6798 * cpplib.h (cpp_callbacks): Break out as a named structure.
6799 (cpp_options): Move help_only here from cpp_reader.
6800 (CPP_FATAL_ERRORS): Update to use cpp_errors.
6801 (cpp_errors, cpp_get_options, cpp_get_callbacks,
6802 cpp_set_callbacks): New prototypes.
6803 * cppmain.c (main): Update for help_only.
6805 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
6807 * Makefile.in (info, maintainer-clean, install-info, uninstall):
6808 Also build and remove and install and uninstall c-tree.info and
6810 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
6811 ($(srcdir)/cppinternals.info): New target.
6812 * c-tree.texi: Change file name used when makeinfo used without -o
6813 from ir.info to c-tree.info. Add info directory entry.
6814 * cppinternals.texi: Add info directory entry.
6815 * .cvsignore: Update.
6817 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6819 * c-typeck.c (store_init_value): Don't require constant initializer
6820 elements with -pedantic -std=c99.
6821 (digest_init): Change error about non-constant initializer elements
6823 (constructor_range_end): Remove.
6824 (constructor_incremental, designator_depth,
6825 designator_errorneous): New variables.
6826 (struct constructor_stack): Remove range_end, add incremental.
6827 (struct constructor_range_stack, constructor_range_stack): New.
6828 (struct initializer_stack): Add constructor_range_stack.
6829 (finish_init): Set it.
6830 (start_init): Likewise. require_constant_elements for non-static
6831 trees only if not flag_isoc99.
6832 (really_start_incremental_init): Remove constructor_range_end, add
6833 constructor_incremental.
6834 (pop_init_level): Likewise.
6835 (push_init_level): Likewise. If implicit and the subobject had some
6836 value set already, preinitialize the level with it.
6837 Warn about missing braces only if not pushing due to designators.
6838 (set_designator, push_range_stack): New functions.
6839 (set_init_label): Use them.
6840 (set_init_index): Likewise. Remove constructor_range_end.
6841 Error if designator index is outside of array bounds.
6842 (add_pending_init): Compare values of purpose index trees, not the
6843 trees themselves. Allow overwriting of already initialized element.
6844 Issue a warning if it had side-effects.
6845 (set_nonincremental_init, set_nonincremental_init_from_string): New
6847 (pending_init_member): Rename to...
6848 (find_init_member): ...this function. Call set_nonincremental_init
6849 if necessary. Compare values of purpose index trees, not the trees
6850 themselves. Return the actual value, not just non-zero if something
6852 (output_init_element): Remove checks for duplicates.
6853 If field has zero size, only check the initializer for correctness.
6854 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
6855 if constructor_incremental is zero. Change error about initializers
6856 not computable at load time into pedwarn.
6857 (output_pending_init_elements): Compare bit positions, not
6858 FIELD_DECLs to take into account zero-sized fields.
6859 (process_init_element): Use constructor_range_stack to fill all
6860 ranges in the designator lists from current level up.
6861 * extend.texi: Update documentation for labeled elements.
6863 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
6865 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
6866 to function usage for arguments passed by reference. Optimize
6867 callee-copied arguments.
6868 * regmove.c (replace_in_call_usage): New function.
6869 (fixup_match_1): Call it.
6870 * cse.c (cse_insn): Canonicalize registers in function usage.
6871 * reload1.c (replace_pseudos_in_call_usage): New function.
6874 * Makefile.in: Reverted yesterday's wrong patch. Installed the
6877 2001-01-12 Jakub Jelinek <jakub@redhat.com>
6879 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
6882 2001-01-12 DJ Delorie <dj@redhat.com>
6884 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
6885 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
6888 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6890 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
6891 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
6892 -std options alongside references to -ansi. Update some
6893 documentation for C99.
6894 * cpp.1: Regenerate.
6896 2001-01-12 Andreas Jaeger <aj@suse.de>
6898 * haifa-sched.c (restore_line_notes): Remove argument block B
6900 * sched-ebb.c (schedule_ebb): Change caller.
6901 * sched-rgn.c (schedule_region): Likewise.
6902 * sched-int.h (restore_line_notes): Adjust prototype.
6904 * loop.h: Remove wrong declaration of doloop_condition_get.
6906 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6908 * extend.texi: Move C++-extension-related node from the C section
6909 into the C++ section.
6911 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
6913 * extend.texi: Refer to an array of pointers to functions instead
6914 of one of functions.
6916 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
6917 Jan Hubicka <jh@suse.cz>
6919 * combine.c (reversed_comparison): Fix typo in last patch.
6921 (combine_reversed_comparison_code): Make static to follow
6922 prototype declaration.
6924 2001-01-12 Phil Edwards <pme@sources.redhat.com>
6926 * install.texi: Remove misplaced duplicate entry.
6928 2001-01-11 Ulrich Drepper <drepper@redhat.com>
6930 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
6932 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
6934 * final.c: (leaf_function_p): Fix typo.
6936 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
6938 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
6939 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
6941 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
6942 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
6943 mmap_anon, and valloc is available.
6944 * ggc-page.c: Restructure ifdef logic to match new autoconf
6945 spec. Don't throw away the test page in init_ggc.
6947 * configure, config.in: Regenerate.
6949 2001-01-12 Michael Hayes <mhayes@redhat.com>
6951 * loop.h (total_biv_increment): Constify iv_class pointer.
6952 (struct induction): Replace `mem_mode' with `mem' rtx.
6953 * unroll.c (total_biv_increment): Constify iv_class pointer.
6954 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
6955 (find_mem_givs, combine_givs_p): Likewise.
6956 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
6958 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
6960 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
6962 (__gthread_getspecific): Ditto.
6964 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
6966 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
6967 put_condition_code): Convert fp comparison codes to integer
6969 (ix86_expand_fp_compare): Postnote the fp comparison code converison
6972 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
6973 * i386-protos.h (no_comparison_operator): Kill.
6975 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
6977 * combine.c (REVERSIBLE_CC_MODE): Remove.
6978 (reversible_comparison_p): Remove.
6979 (combine_reversed_comparison_code): New.
6980 (reversed_comparison): New.
6981 (combine_simplify_rtx): Use
6982 combine_reversed_comparison_code/reversed_comparison instead
6983 of reversible_comparison_p.
6984 (simplify_if_then_else): Likewise.
6985 (simplify_set): Likewise.
6986 (simplify_logical): Likewise.
6987 (if_then_else_cond): Likewise.
6988 (known_cond): Likewise.
6989 (simplify_comparison): Likewise.
6991 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
6993 * builtins.c (std_expand_builtin_va_start): Handle varargs when
6994 sizeof (int) is larger than sizeof(__word__).
6996 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
6998 * cppinit.c (do_includes): Fix typo.
7000 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7002 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7003 in S_REGS does not occur because not all sources are possible
7004 when a S_REGS is a destination (sometimes needs a clobber).
7005 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7006 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7007 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7008 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7009 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7010 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7011 (lshrdi_const1, lshrsi3_const16): Likewise.
7012 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7013 (*movhi_68hc12, *movqi_68hc12): Likewise.
7014 (movstrictqi): Make sure reloading in D_REGS as a destination
7017 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7019 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7021 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7023 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7024 -D, -U and -A, and don't initialize the builtins.
7025 (do_includes): Error if -include or -imacros with -fpreprocessed.
7026 * cppmain.c (cb_define, cb_undef): Unconditionally process
7028 * tradcpp.c (main): Fix typo.
7030 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7032 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7033 (read_name_map): Use IS_ABSOLUTE_PATH.
7034 * tradcpp.c (get_filename): Likewise.
7036 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7038 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7039 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7040 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7041 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7042 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7043 (cmphi_z_used): Don't use '@' for the output.
7044 (tstqi_z_used): Likewise.
7045 (cmpqi_z_used): Likewise.
7046 (one_cmplsi2): Likewise.
7048 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7050 * config/sh/sh.c (barrier_align): Recognize branch around far
7051 branch and redundant insn.
7053 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7055 * invoke.texi: Restore documentation of the drivers' switches -MD
7058 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7060 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7062 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7063 check-objc//%): Support parallel testing of multilibs.
7064 (TESTSUITEDIR): Set to testsuite by default, but override for
7066 (check-gcc, check-g++, check-g77, check-objc): Enter
7069 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7071 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7072 * sched-deps.c (deps_may_trap_p): Likewise.
7073 * basic-block.h: Remove a comment.
7074 * flow.c (PROP_POSTRELOAD): Remove.
7075 (update_life_info): Don't add it to prop_flags.
7076 (mark_set_1): Lose the code that was enabled by it.
7078 2001-01-11 Michael Hayes <mhayes@redhat.com>
7080 * flow.c (flow_call_edges_add): New.
7081 * basic_block.h (flow_call_edges_add): New.
7083 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7085 * reload1.c (move2add_note_store): Update reg_set_luid even if
7086 base reg remains the same.
7088 2001-01-10 Nick Clifton <nickc@redhat.com>
7090 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7091 machine_function structure to zero.
7092 Add prototypes for machine_status functions.
7094 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7096 * c-common.h (CTI_VOID_LIST): Remove.
7097 (void_list_node): Likewise.
7098 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7099 (void_list_node): New macro.
7100 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7101 * config/i386/i386.c (ix86_init_builtins): Likewise.
7102 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7104 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7106 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7107 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7109 * tradcpp.c: Include mkdeps.h.
7110 (deps, print_deps_phony_targets, deps_append, output_deps,
7111 init_dependency_output, output_deps): New.
7112 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7113 deps_output): Delete.
7114 (print_deps_missing_files): Rename deps_missing_files.
7115 (inhibit_output): Make global.
7116 (main): Delete inhibit_output, deps_stream, deps_target.
7117 Use mkdeps functionality in the same way as cpplib. Remove
7118 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7119 -M and -MM. Remove old handling of deps via deps_out, and
7120 old reading of environment variables.
7121 (get_filename): Update to use deps_add_dep.
7123 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7125 * output.h (make_function_rtl): Remove prototype.
7126 (make_decl_rtl): Likewise.
7127 * varasm.c (make_function_rtl): Remove.
7128 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7129 than from a third parameter.
7130 * tree.h (make_decl_rtl): Remove last parameter.
7131 * c-decl.c (builtin_function): Remove last argument in call to
7132 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7133 (start_function): Likewise.
7134 * except.c (call_get_eh_context): Likewise.
7135 * expr.c (emit_block_move): Likewise.
7136 (clear_storage): Likewise.
7137 * profile.c (output_func_start_profiler): Likewise.
7138 * toplev.c (rest_of_decl_compilation): Likewise.
7139 * objc/objc-act.c (create_builtin_decl): Likewise.
7140 (synth_module_prologue): Likewise.
7141 (generate_static_reference): Likewise.
7142 (build_selector_reference_decl): Likewise.
7143 (build_class_reference_decl): Likewise.
7144 (build_objc_string_decl): Likewise.
7145 (build_protocol_reference): Likewise.
7147 2001-01-10 Richard Henderson <rth@redhat.com>
7149 * hwint.h: Revert yesterday's change.
7151 2001-01-10 Nick Clifton <nickc@redhat.com>
7153 * function.h (save_machine_status): Delete.
7154 (restore_machine_status): Delete.
7155 Amend comment describing {init|mark|free}_machine_status.
7157 * function.c (save_machine_status): Delete.
7158 (restore_machine_status): Delete.
7159 Amend comment describing {init|mark|free}_machine_status.
7160 (push_function_context_to): Remove invocation of
7161 save_machine_status.
7162 (pop_function_context_from): Remove invocation of
7163 restore_machine_status.
7165 * emit-rtl.c (init_emit_once): Amend comment describing
7166 {init|mark|free}_machine_status.
7168 * tm.texi (Per-Function Data): New node. Describe the
7169 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7172 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7174 * cppinit.c (OPT_g): Remove.
7175 (cpp_handle_option): Update for removed -g3.
7176 (print_help): Update.
7177 * cpplib.h (struct cpp_options): Remove debug_output.
7178 * cppmain.c (setup_callbacks, cb_define): Update.
7179 * gcc.c (cpp_options): Translate -g3 to -dD.
7181 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7183 * config/i960/i960.md: Change modifier to + on the zero_extract
7184 pattern after the (rotate -2 reg) canonicalization pattern.
7186 2001-01-10 Richard Henderson <rth@redhat.com>
7188 * config/alpha/alpha.c (alpha_free_machine_status): New.
7189 (override_options): Install it.
7190 (alpha_mark_machine_status): Verify machine non-null.
7191 * config/i386/i386.c (ix86_free_machine_status): New.
7192 (override_options): Install it.
7193 (ix86_init_machine_status): Use xcalloc.
7194 (ix86_mark_machine_status): Verify machine non-null.
7195 * config/ia64/ia64.c (ia64_free_machine_status): New.
7196 (ia64_override_options): Install it.
7197 (ia64_mark_machine_status): Verify machine non-null.
7199 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7201 * function.c (instantiate_virtual_regs): Instantiate virtual
7202 registers found in CALL_INSN_FUNCTION_USAGE.
7204 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7206 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7207 equivalent to -ansi in disabling -Di386.
7209 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7211 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7213 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7215 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7217 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7219 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7221 * invoke.texi: Document that -fcond-mismatch isn't supported for
7224 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7226 * gcc.texi: Define macro gcctabopt.
7227 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7228 @command, @env and @option in some places where appropriate. Use
7229 @gcctabopt where appropriate. Put URLs and email addresses inside
7232 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7234 * gcc.c (cpp_options): Set MD file name from output
7235 filename, if specified.
7236 (suffix_subst): New static variable.
7237 (do_spec): Clear it.
7238 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7240 (give_switch): Handle suffix_subst.
7242 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7244 * invoke.texi: Fix another typo.
7246 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7248 * invoke.texi: Fix typo.
7250 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7252 * c-lang.c (lang_hooks): Update.
7253 (lang_decode_option): Remove.
7254 (lang_init_options): Rename c_init_options.
7255 * toplev.c (main): Use lang_hooks for lang_init_options
7256 and lang_decode_option.
7257 * toplev.h (lang_hooks): Add 2 new hooks.
7258 * tree.h: Remove lang_init_options and lang_decode_option.
7259 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7260 * cp/decl2.c: Similarly.
7261 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7262 (lang_hooks): Update.
7263 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7265 (lang_init_options): Rename ffe_init_options.
7266 (lang_hooks): Update.
7267 (lang_decode_option): Remove.
7268 * java/lang.c (lang_init_options): Rename java_init_options.
7269 (lang_decode_option): Rename java_decode_option.
7270 (lang_hooks): Update.
7271 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7272 (lang_decode_option): Rename objc_decode_option.
7273 (lang_hooks): Update.
7275 2001-01-09 Nick Clifton <nickc@redhat.com>
7277 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7278 (d30v_return_addr_rtx): Delete.
7279 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7280 cfun->machine structure.
7281 (struct machine_function): Move to d30v.h
7282 (d30v_save_machine_status): Delete.
7283 (d30v_restore_machine_status): Delete.
7284 (d30v_init_machine_status): New Function.
7285 (d30v_mark_machine_status): New Function.
7286 (d30v_free_machine_status): New Function.
7287 (d30v_init_expanders): Use new functions.
7288 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7289 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7290 d30v_return_addr_rtx.
7292 * config/d30v/d30v.h (struct_machine): Move here.
7293 Add eh_epilogue_sp_ofs field.
7295 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7296 field in cfun->machine structure.
7298 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7300 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7301 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7302 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7304 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7306 * objc/lang-options.h: Remove bogus reference to
7309 2001-01-09 Kazu Hirata <kazu@hxi.com>
7311 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7314 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7316 * reload.c (find_reloads_address): Check for eliminable registers
7317 when substituting a constant expression for a pseudo.
7319 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7321 * c-common.c (enum format_type): Add format_type_error.
7322 (decode_format_type): New function.
7323 (decl_attributes): Use it.
7324 (format_kind_info): Adjust comment.
7326 2001-01-09 David O'Brien <obrien@BSDi.com>
7328 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7329 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
7331 * config/i386/gnu.h: Don't include required platform specific .h files,
7332 tm.h will do it instead.
7333 * config/i386/i386elf.h: Likewise.
7334 * config/i386/linux.h: Likewise.
7335 * config/i386/moss.h: Likewise.
7336 * config/mips/gnu.h: Likewise.
7338 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7340 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
7341 (rs6000-ibm-aix3.[01]*): Likewise.
7342 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
7343 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
7344 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
7345 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
7346 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
7347 (powerpc-*-eabiaix*): Likewise.
7348 (powerpc-*-eabisim*): Likewise.
7349 (powerpc-*-elf*): Likewise.
7350 (powerpc-*-eabi*): Likewise.
7351 (powerpc-*-rtems*): Likewise.
7352 (powerpc-*-linux*libc1): Likewise.
7353 (powerpc-*-linux*): Likewise.
7354 (powerpc-wrs-vxworks*): Likewise.
7355 (powerpcle-wrs-vxworks*): Likewise.
7356 (powerpcle-*-sysv*): Likewise.
7357 (powerpcle-*-elf*): Likewise.
7358 (powerpcle-*-eabisim*): Likewise.
7359 (powerpcle-*-eabi*): Likewise.
7360 (powerpcle-*-solaris2*): Likewise.
7361 * config/rs6000/aix31.h: Delete includes.
7362 * config/rs6000/aix3newas.h: Likewise.
7363 * config/rs6000/aix41.h: Likewise.
7364 * config/rs6000/aix43.h: Likewise.
7365 * config/rs6000/beos.h: Likewise.
7366 * config/rs6000/rtems.h: Likewise.
7367 * config/rs6000/sysv4.h: Likewise.
7369 2001-01-09 Kazu Hirata <kazu@hxi.com>
7371 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
7372 Change an argument mode of machine_mode to shift_mode of
7373 shift_mode. Remove an extra error check.
7374 (emit_a_shift): Adopt to the new calling prototype of
7376 (function_prologue): Fix code for a monitor
7377 function. Support H8/S.
7378 (function_epilogue): Do not output pop for a monitor function.
7380 2001-01-09 Nick Clifton <nickc@redhat.com>
7382 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
7383 (setup_incoming_varargs): Use sysv_varargs_p field of the
7384 cfun->machine structure.
7385 (struct machine_function): Move to rs6000.h
7386 (rs6000_save_machine_status): Delete.
7387 (rs6000_restore_machine_status): Delete.
7388 (rs6000_init_machine_status): New Function.
7389 (rs6000_free_machine_status): New Function.
7390 (rs6000_init_expanders): Use new functions.
7392 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
7394 (struct machine_function): Move here.
7396 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
7397 sysv_varargs_p field of the cfun->machine structure.
7399 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
7401 (rs6000_restore_machine_status): Remove prototype.
7403 2001-01-09 Richard Henderson <rth@redhat.com>
7405 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
7406 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
7407 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
7408 (sched_analyze_2, sched_analyze_insn): Likewise.
7409 (sched_analyze, init_deps): Likewise.
7410 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
7411 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
7412 (compute_block_backward_dependences): Update propagate_deps call.
7414 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
7416 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
7418 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7420 * cppinit.c (OPT_MD, OPT_MMD): Restore.
7421 (cpp_handle_option): Handle them.
7422 (cpp_post_options): Ensure one of -M or -MM is specified with
7423 any other -M? option.
7424 (init_dependency_output): Suppress output with -MG.
7426 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7429 * invoke.texi: Update.
7431 2001-01-09 Bernd Schmidt <bernds@redhat.com>
7433 * sh.md (reload_outsf): Generate recognizable patterns for
7436 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
7438 * c-lang.c (lang_hooks): Update.
7439 (lang_init): Rename c_init.
7440 (lang_finish): Remove.
7441 * toplev.c (compile_file): Use lang_hooks for lang_init ()
7443 * toplev.h (lang_hooks): Add init () and finish ().
7444 * tree.h (lang_init, lang_finish): Remove.
7445 * cp/tree.h (lang_init, lang_finish): Remove.
7446 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
7447 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
7449 (lang_init, lang_finish): Remove.
7450 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
7451 (lang_hooks): Update.
7452 * java/lang.c (lang_init): Rename java_init.
7453 (lang_finish): Remove.
7454 (lang_hooks): Update.
7455 * objc/objc-act.c (lang_init): Rename objc_init.
7456 (lang_finish): Remove.
7457 (lang_hoooks): Update.
7459 20001-01-09 Graham Stott <grahams@redhat.com>
7461 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
7462 after `ptr` is initialised.
7464 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7466 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
7467 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
7468 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
7469 stack adjusts, instead of r3.
7471 2001-01-09 Michael Hayes <mhayes@redhat.com>
7473 * flow.c (flow_loop_scan): Break out of ...
7474 (flow_loops_find) ... here.
7475 * basic-block.h (flow_loop_scan): New.
7476 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
7477 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
7479 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
7481 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
7483 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
7484 realloc()ing macro_buffer.
7486 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
7487 if it's wider than long and the target's long is wider than the
7490 2001-01-09 Mark Mitchell <mark@codesourcery.com>
7492 Remove support for using UWIN as a host machine.
7493 * configure.in: Issue an error message.
7494 * configure: Regenerated.
7495 * config.gcc: Remove xm_* UWIN configury.
7496 * config/i386/xm-uwin.h: Remove.
7498 2001-01-08 Nick Clifton <nickc@redhat.com>
7500 * config/v850/v850.c (ra_rtx): Delete.
7501 (v850_save_machine_status): Delete.
7502 (v850_restore_machine_status): Delete.
7503 (v850_init_machine_status): New function.
7504 (v850_mark_machine_status): New function.
7505 (v850_free_machine_status): New function.
7506 (v850_return_addr): Use ra_rtx field in machine structure.
7507 (v850_init_expanders): Use new functions.
7509 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
7510 * config/v850/v850.c: Change arguments to v850_output+* functions
7511 to take a const char *, to avoid compile time warning.
7512 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
7513 (USER_LABEL_PREFIX): Redefine.
7515 2000-01-08 Jim Wilson <wilson@redhat.com>
7517 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
7518 1 to unsigned HOST_WIDE_INT before left shift.
7520 2001-01-08 Nick Clifton <nickc@redhat.com>
7522 * config/arm/arm.c (arm_mark_machine_status): Check to see if
7523 the machine structure has been allocated.
7524 (arm_free_machine_status): New function: Free the machine
7525 specific function structure.
7527 2001-01-08 Richard Henderson <rth@redhat.com>
7529 * jump.c (simplejump_p): Revert last change.
7531 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
7533 * cppinit.c (init): Rename init_library.
7534 (cpp_create_reader): Update.
7535 * gcc.c (cpp_options): If -o given, use it as the target of
7538 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7540 * arm.c (arm_arch5e): New variable.
7541 (all_cores): XScale is a 5TE device.
7542 (arm_override_options): Set arm_arch5e.
7543 (arm_init_builtins): __builtin_prefetch is in arch5e.
7544 * arm.h (arm_arch5e): Declare it.
7546 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
7548 * arm.md (define_constants): Add defines for UNSPEC and
7549 UNSPEC_VOLATILE insns. Update all users.
7550 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
7551 * arm.c (multi_register_push, note_invalid_constants)
7552 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
7553 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
7554 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
7556 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
7558 * jump.c (jump_optimize_1): Use reversed_comparison_code
7559 instead of can_reverse_comparison_p.
7560 (jump_back_p): Likewise.
7561 (invert_exp_1): Likewise.
7562 (thread_jumps): Likewise.
7563 * simplify-rtx.c (simplify_unary_operation): Likewise.
7564 (simplify_ternary_operation): Likewise.
7565 * cse.c (find_comparison_args): Convert to use
7566 can_reverse_comparison_p.
7567 (record_jump_equiv): Likewise.
7569 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
7571 * arm.h (HARD_REGNO_RENAME_OK): Delete.
7572 (EPILOGUE_USES): Define.
7573 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
7574 automatically stack the LR if it isn't live.
7576 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
7578 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
7581 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
7583 * ggc-page.c (max_alignment): New structure.
7584 (MAX_ALIGNMENT): New macro.
7585 (init_ggc): Use it to round up the sizes in the
7586 extra_order_size_table.
7588 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7590 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
7593 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7595 * builtins.def (BUILT_IN_FPRINTF): New entry.
7597 * c-common.c (c_expand_builtin_fprintf): New function.
7598 (init_function_format_info): Handle __builtin_fprintf.
7599 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
7600 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
7602 * c-decl.c (duplicate_decls): Adjust comment.
7604 * extend.texi (fprintf): Document new builtin.
7606 2001-01-07 Richard Henderson <rth@redhat.com>
7608 * jump.c (simplejump_p): Recognize any single_set jump
7611 2001-01-07 Richard Henderson <rth@redhat.com>
7613 * configure.in (slibdir): Accept an --with-slibdir option.
7614 Use "test" not "[" in configure. Default to $(libdir).
7616 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
7618 * config/t-aix43 (SHLIB_INSTALL): Likewise.
7619 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
7620 (SHLIB_LINK): Create links for the soname.
7621 * config/mips/t-iris6: Likewise.
7622 * config/sparc/t-slibgcc: Likewise.
7623 * config/sparc/t-slibgcc-sld: Likewise.
7625 2001-01-07 Jakub Jelinek <jakub@redhat.com>
7627 * config/i386/i386.c (constant_call_address_operand): Accept
7628 (const (plus (symbol_ref) (const_int))).
7629 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
7630 constant_call_address_operand.
7632 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7634 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
7635 and LONG_LONG_TYPE_SIZE > 32.
7637 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7639 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
7640 the previous change.
7642 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
7644 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
7646 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
7647 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
7648 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
7651 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7653 * fix-header.c (read_scan_file): s/pfile/scan_in/.
7655 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7657 * c-lang.c (c_post_options): Call cpp_post_options.
7658 * objc/objc-act.c (objc_post_options): Similarly.
7659 * cppmain.c (main): Similarly.
7660 * fix-header.c (read_scan_file): Similarly.
7661 * cppinit.c (cpp_start_read): Move option consistency checks
7662 to cpp_post_options. Don't call init_dependency_output.
7663 If needed, add default target and main file dependency.
7664 (OPT_MD, OPT_MMD): Remove.
7666 (cpp_handle_option): Update for OPT_* changes.
7667 (cpp_post_options): New.
7668 (init_dependency_output): Command line -MF overrides environment
7669 variables. Don't set default target etc. Suppress output
7670 if dependencies are going to stdout.
7671 (print_help): Update.
7672 * cpplib.h (cpp_post_options): New.
7673 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
7675 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
7677 * jump.c (comparison_dominates_p): Support unordered compares.
7679 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
7681 * simplify-rtx.c (simplify_relational_operation): Always simplify
7682 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
7685 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
7687 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
7688 (nonzero_bits): Likewise.
7689 (simplify_comparison): Likewise.
7690 (num_sign_bit_copies): Likewise; return more sane value depending
7691 on STORE_FLAG_VALUE.
7692 (known_cond): Do not assume EQ to be always true for equivalent
7695 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
7697 * cse.c (fold_rtx): Handle unordered comparisons.
7699 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
7701 * rtlanal.c (set_of_1): New static function.
7702 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
7703 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
7704 reg_set_last_last_regno): Remove.
7705 (set_of): New global function.
7706 (set_of_data): New structure.
7707 (reg_set_p, reg_set_last): Revamp for set_of.
7708 * rtl.h (set_of): New.
7710 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
7712 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
7713 * extend.texi: Document _Exit builtin.
7715 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7717 * (initialize, initialize_builtins,
7718 initialize_dependency_output, initialize_standard_includes):
7719 Rename s/initialize/init. Update.
7720 (init_dependency_output): Move to after
7721 cpp_handle_options, the correct location temporally at least.
7722 (opt_comp): Move next to init (), its caller. Fix prototype.
7723 (init): Make "initialized" local scope.
7724 (cpp_create_reader): Always call init ().
7725 (cpp_start_read): Update.
7726 (output_deps): New function, broken out of cpp_finish.
7727 (cpp_finish): Break out output_deps.
7729 2001-01-07 Richard Henderson <rth@redhat.com>
7731 * collect2.c (COFF specific stuff): Revert 12-06 patch
7732 to prototype system functions.
7734 2001-01-07 Michael Hayes <mhayes@redhat.com>
7736 * hard-reg-set.h: Add multiple include guard.
7737 * basic-block.h (struct loop): Add `sink' field.
7738 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
7739 (emit_iv_add_mult): Delete.
7740 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
7741 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
7742 (unroll_loop): Remove end_insert_before argument.
7743 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
7744 (maybe_eliminate_biv_1): Likewise.
7745 (emit_iv_add_mult): Delete.
7746 (gen_add_mult, loop_regs_update): New.
7747 (loop_insn_emit_after, loop_insn_emit_before): New.
7748 (loop_insn_sink, loop_insn_sink_or_swim): New.
7749 (emit_iv_add_mult): Delete.
7750 (scan_loop): Set loop->sink.
7751 (loop_givs_reduce): Use loop_insn_sink and its ilk.
7752 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
7753 (maybe_eliminate_biv_1): Likewise.
7754 (maybe_eliminate_biv_1): Add basic block argument.
7755 * unroll.c (unroll_loop): Remove end_insert_before argument.
7756 (find_splittable_regs): Likewise.
7757 (find_splittable_regs): Use loop_insn_sink and its ilk.
7758 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
7760 2001-01-07 Michael Hayes <mhayes@redhat.com>
7762 * loop.h (loop_insn_hoist): New prototype.
7763 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
7764 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
7765 (check_dbra_loop, load_mems): Likewise.
7766 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
7767 (find_splittable_givs): Likewise.
7769 2001-01-07 Michael Hayes <mhayes@redhat.com>
7771 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
7773 2001-01-07 Richard Henderson <rth@redhat.com>
7775 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
7777 2001-01-07 Richard Henderson <rth@redhat.com>
7779 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
7780 NO_SHARED_LIBGCC_MULTILIB as required for the target.
7781 * gcc.c (init_spec): Massage the existing libgcc_spec into a
7782 variant that handles a shared libgcc.
7783 (process_command): Always validate -{static,shared}-libgcc.
7784 (do_spec_1): New 'M' case.
7785 * invoke.text (Link Options): Document -{static,shared}-libgcc.
7787 2001-01-07 Richard Henderson <rth@redhat.com>
7789 * Makefile.in (slibdir): New variable.
7790 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
7791 (installdirs): Create slibdir.
7792 (install-libgcc, install-multilib): Defer to libgcc.mk.
7793 * configure.in (slibdir): Substitute.
7794 * mklibgcc.in (install): New target.
7796 * config/t-linux (SHLIB_LINK): Create links for the soname.
7797 (SHLIB_INSTALL): New.
7798 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
7799 * config/mips/t-iris6 (SHLIB_INSTALL): New.
7800 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
7801 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
7802 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
7804 2001-01-07 Richard Henderson <rth@redhat.com>
7806 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
7807 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
7808 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
7810 2001-01-07 Michael Hayes <mhayes@redhat.com>
7812 * loop.c (count_loop_regs_set): Delete.
7813 (load_mems_and_recount_loop_regs_set): Delete.
7814 (loop_regs_scan): Merge common code from count_loop_regs_set,
7815 scan_loop, and load_mems_and_recount_loop_regs_set.
7816 (scan_loop): Call load_mems directly and loop_regs_scan
7817 again if new registers created.
7819 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7821 * toplev.c (main): Call the front-end specific post_options
7822 hook if one is given.
7823 * toplev.h (struct_lang_hooks, lang_hooks): New.
7824 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
7825 for the C front end.
7826 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
7827 lang_hooks for the C++ front end.
7828 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
7829 lang_hooks for the ObjC front end.
7830 * f/com.c (lang_hooks): Hooks for the Fortran front end.
7831 * java/lang.c (lang_hooks): Hooks for the Java front end.
7833 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
7835 * c-lex.c (init_c_lex): Request #define / #undef callbacks
7836 for verbose DWARF[2] debugging.
7837 (cb_define, cb_undef): The new callbacks.
7838 * toplev.h (debug_define, debug_undef): Make const correct.
7839 * toplev.c (debug_define, debug_undef): Similarly. Do not
7840 perform the verbosity tests here anymore.
7842 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
7844 * reload.c (subst_reloads): Take INSN argument. When
7845 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
7846 * reload.h (subst_reloads): Adjust prototype.
7847 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
7848 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
7849 present in JUMP_INSNs and copy them to JUMP_LABEL.
7850 * flow.c (find_label_refs, find_basic_blocks_1): Skip
7851 JUMP_INSNs and insns with REG_LABELs that are followed by
7852 JUMP_INSNs with the same REG_LABEL.
7853 * sched-rgn.c (is_cfg_nonregular): Likewise.
7854 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
7856 * unroll.c (unroll_loop): Look for REG_LABEL notes in
7858 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
7860 2001-01-06 Richard Henderson <rth@redhat.com>
7862 * loop.c (scan_loop): Use xcalloc for the regs array.
7863 (load_mems_and_recount_loop_regs_set): Zero the new memory
7864 received from xrealloc.
7866 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
7868 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
7870 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
7872 * integrate.c (copy_rtx_and_substitute): When copying
7873 an ignored return value, strip REG_FUNCTION_VALUE_P.
7875 2001-01-06 Michael Hayes <mhayes@redhat.com>
7877 * loop.c (debug_biv, debug_giv): New.
7878 (loop_biv_dump): Break out from ...
7879 (record_biv): ... here.
7880 (loop_giv_dump): Break out from ...
7881 (record_giv): ... here.
7882 (loop_bivs_check): Use print_simple_rtl.
7883 * unroll.c (loop_iterations): Use print_simple_rtl.
7885 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
7887 * pa.md (return, return_internal): Modify patterns to prevent regrename
7888 mucking with the return pointer.
7890 2001-01-05 Richard Henderson <rth@redhat.com>
7892 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
7894 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
7896 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
7897 version supplied by Matteo Frigo.
7899 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7901 * cpp.texi: Update for -MQ.
7902 * cppinit.c (cpp_create_reader): Always create pfile->deps.
7903 (cpp_cleanup): Always free pfile->deps.
7904 (initialize_dependency_output): Don't create pfile->deps.
7905 (cpp_handle_option): Similarly.
7907 * gcc.c (cpp_options): Handle -MQ.
7908 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7909 * mkdeps.c (base_name): Remove.
7910 (deps_init): Don't allocate vector space until it's needed.
7911 (deps_free): Only free vectors if allocated.
7912 (deps_add_target, deps_add_dep): Update for initial allocation.
7913 (deps_add_default_target): Don't strip to the base_name.
7915 2001-01-05 DJ Delorie <dj@redhat.com>
7917 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
7918 (INIT_EXPANDERS): Define.
7920 * config/v850/v850.c (struct machine_function): Define.
7921 (v850_save_machine_status): New function.
7922 (v850_restore_machine_status): New function.
7923 (v850_return_addr): New function.
7924 (v850_init_expanders): New function.
7926 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
7927 and v850_init_expanders.
7929 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7931 * cpplib.h (struct cpp_reader): Add help_only field.
7932 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
7933 (cpp_handle_option): Set pfile->help_only if we see -h,
7934 --help, -target-help, or --version. Print version string but
7935 do not set help_only if we see -v or -version. Make text
7936 printed by -v match that printed by (-)-version.
7938 * cppmain.c (main): Exit after option parsing if
7939 pfile->help_only is true.
7941 * toplev.c (independent_decode_option): Call print_version,
7942 then exit, if we see --version (but not -version).
7943 (print_version): Split lengthy message into two lines.
7945 2001-01-05 Nick Clifton <nickc@redhat.com>
7947 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
7948 temporary string for initialisation before calling ggc_alloc_string.
7950 2001-01-06 Michael Hayes <mhayes@redhat.com>
7952 * rtl.h (print_simple_rtl): New.
7953 * print-rtl.c (print_simple_rtl): New.
7955 (print_rtx): Disable printing of flags and modes, etc.,
7956 if `flag_simple` nonzero.
7958 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
7960 * function.c (fixup_var_refs): Use push_to_full_sequence where
7963 2001-01-05 Michael Meissner <meissner@redhat.com>
7965 * flags.h (flag_reorder_blocks): Add declaration.
7966 (flag_rename_block): Ditto.
7968 2001-01-05 DJ Delorie <dj@redhat.com>
7970 * function.c (reorder_blocks): Make sure the flags are all reset
7971 before using them to mark blocks, else a second invocation will
7972 corrupt the block chain.
7973 (reorder_blocks_0): New, resets the flags.
7975 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
7977 * cse.c (find_comparison_args): Stop if the argument is known to
7980 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7982 * config/sh/sh.md (movdf): When splitting load into pair of
7983 registers, don't clobber the register used in the address too
7986 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
7988 * varasm.c (mark_constant_pool): Improve initial comments.
7989 (mark_constants): Move marking of constants to mark_constant.
7990 (mark_constant): New function to recursively mark all constants
7991 referred to by a constant.
7993 2001-01-05 Catherine Moore <clm@redhat.com>
7995 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
7997 2001-01-05 Phil Edwards <pme@sources.redhat.com>
7999 * cp/lang-options.h: Bring comment in line with reality.
8000 * f/lang-options.h: Likewise.
8001 * java/lang-options.h: Likewise.
8002 * objc/lang-options.h: Likewise.
8003 * ch/lang-options.h: Likewise.
8004 * f/g77.texi: And update the manual.
8006 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8007 Denis Chertykov <denisc@overta.ru>
8009 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8010 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8011 * config/avr/avr.md (all peepholes that request a scratch register):
8012 Call it, FAIL the peephole if not safe (in interrupt functions).
8014 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8016 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8018 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8020 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8022 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8023 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8024 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8025 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8026 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8028 * extend.texi: Document these builtins.
8030 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8032 * c-common.c (lang_get_alias_set): Say we know nothing of
8033 VECTOR_TYPE aliasing.
8035 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8037 2001-01-05 Bruce Korb <bkorb@gnu.org>
8039 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8040 their x* equivalent versions for atexit-less systems
8041 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8042 systems (or any other system any more).
8044 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8046 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8047 output operands. Use arm_hard_register_operand for operand 4.
8048 (stmsi_postinc): Similarly.
8049 (ldmsi): Use arm_hard_register_operand for opernand 2.
8051 * arm.c (arm_hard_register_operand): New function.
8052 * arm-protos.h (arm_hard_register_operand): Prototype it.
8054 * arm.h (HARD_REGNO_RENAME_OK): Define.
8056 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8058 * simplify-rtx.c (cfc_args): add "unordered" field.
8059 (check_fold_consts): Set unordered field.
8060 (simplify_relational_operation): Simplify the unordered
8063 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8066 * emit-rtl.c (try_split): Fix code to mark labels.
8067 * jump.c (mark_jump_label): Make global.
8068 * rtl.h (mark_jump_label): Declare.
8070 * predict.c (estimate_probability): Handle unordred comparisons.
8072 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8074 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8075 * cppinit.c (initialize_dependency_output): Update.
8076 (cpp_finish): Output dummy targets for -MP.
8078 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8079 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8080 * gcc.c (cpp_options): Update to handle -MP.
8081 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8082 to quote only the default target.
8083 (deps_phony_targets): Insert a preceding newline. Rename from
8084 deps_dummy_targets for consistency.
8087 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8089 * calls.c (emit_library_call_value_1): Support
8090 INIT_CUMULATIVE_LIBCALL_ARGS.
8091 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8093 2001-01-04 Richard Henderson <rth@redhat.com>
8095 * c-decl.c (finish_struct): Detect flexible array members
8096 used in an inappropriate context.
8097 * c-typeck.c (really_start_incremental_init): Special case
8098 constructor_max_index for zero length arrays.
8099 (pop_init_level): Allow initialization of flexible array
8100 members. Deprecate initialization of zero length arrays.
8101 Don't issue missing initializer warning for flexible array
8102 members or zero length arrays.
8103 (process_init_element): Don't dereference null DECL_SIZE.
8104 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8105 Don't abort for empty constructors. Use size_binop
8106 (output_constructor): Add commentary regarding zero length
8107 array futures. Abort if we try to initialize an array of
8108 unspecified length with a non-empty constructor in the middle
8111 * extend.texi (Zero Length): Update and clarify documentation
8112 on static initialization.
8114 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8116 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8117 with more than 32767 words of local storage.
8119 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8121 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8122 for 'abs', 'labs', and 'fabs'.
8123 (c4x_expand_builtin): Likewise.
8124 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8126 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8128 * config/sh/sh.md (prget, prset): New insn types.
8129 (return delay slot): Dont' allow prset.
8130 (call, sfunc delay slot): Don't allow prget.
8131 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8132 for prset and prget.
8134 2001-01-05 Michael Hayes <mhayes@redhat.com>
8136 * loop.h (struct loop_reg): New.
8137 (struct loop_regs): Change to use array of `struct loop_reg'.
8138 * loop.c: Replace assortment of varrays with single regs array.
8139 (count_one_set): Delete may_not_move array argument
8140 and use regs array instead. All caller's changed.
8141 (count_loop_regs_set): Delete may_not_move and single_usage
8142 arguments and use regs array instead. All caller's changed.
8143 (find_single_use_in_loop): Replace usage array argument with pointer
8144 to regs structure. All caller's changed.
8145 (loop_optimize): Delete `moved_once' array.
8147 2001-01-05 Michael Hayes <mhayes@redhat.com>
8149 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8150 Use it instead of loop_info->has_call for scanning loop mems.
8151 (check_dbra_loop): Replace loop_info->has_call test with
8152 loop_info->has_nonconst_call.
8154 2000-01-04 Matthew Hiller <hiller@redhat.com>
8156 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8159 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8161 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8162 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8164 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8166 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8167 (flag_short_double, flag_short_wchar): Define.
8168 (c_common_nodes_and_builtins): Create many tree nodes shared
8169 between C and C++ here instead of in cp/decl.c and ...
8170 * c-decl.c (init_decl_processing): ... here.
8171 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8172 (flag_short_double, flag_short_wchar): Don't define.
8173 (record_builtin_type): New function.
8174 (build_void_list_node): New function.
8175 * c-common.h (flag_short_double, flag_short_wchar,
8176 record_builtin_type, build_void_list_node): Declare.
8178 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8180 * integrate.c (expand_inline_function): Don't put a virtual
8181 register into the reg map.
8183 * function.c (fixup_var_refs_1): If force_operand didn't put
8184 the address into the target, move it there.
8186 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8188 Special-case tree_decl/tree_list allocations.
8189 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8190 (OBJECT_SIZE): New macro.
8191 (NUM_EXTRA_ORDER): Likewise.
8192 (extra_order_size_table): New variable.
8193 (NUM_ORDERS): New macro.
8194 (objects_per_page_table): New variable.
8195 (object_size_table): New variable.
8196 (G.pages): Use NUM_ORDERS to bound the array.
8197 (G.page_tails): Likewise.
8198 (DIV_ROUND_UP): Remove.
8199 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8200 (alloc_page): Use OBJECT_SIZE.
8201 (size_lookup): Don't make it const.
8202 (ggc_alloc): Use OBJECT_SIZE.
8203 (ggc_set_mark): Likewise.
8204 (ggc_get_size): Likewise.
8205 (init_ggc): Set up the object_size_table, objects_per_page_table,
8206 and adjust size_lookup.
8207 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8208 (ggc_pop_context): Use NUM_ORDERS.
8209 (clear_marks): Likewise.
8210 (sweep_pages): Likewise.
8211 (poison_pages): Likewise.
8212 (ggc_print_statistics): Use OBJECT_SIZE.
8214 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8216 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8217 Only call array_size_for_constructor if last field and array type
8218 with no upper bound.
8220 2001-01-04 Philip Blundell <philb@gnu.org>
8222 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8223 from bit 31 downwards, if this requires no more insns.
8224 (count_insns_for_constant): New helper function for above.
8226 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8228 * gencodes.c (output_predicate_decls): Remove empty initializer.
8230 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8232 * tree.c (copy_node): Remove documentation about obstacks.
8233 (buidl1): Check that nobody tries to build 2-argument nodes this
8236 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8238 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8241 * gencodes.c (output_predicate_decls): Fill empty initializer
8244 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8246 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8247 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8249 (do_include): Handle missing headers like cpp0.
8250 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8251 paths with first include pathname. Don't strcat to uninitialized
8254 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8256 * regrename.c (regrename_optimize): Don't rename from frame pointer
8257 if frame_pointer_needed.
8258 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8259 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8260 (ia64_reorg): Use it instead of scheduling if ! optimize.
8261 (errata_emit_nops): Properly call asm_noperands.
8262 (ia64_sched_reorder): Finish cycle if we see an asm.
8263 (ia64_variable_issue): Clear scheduling state after asms.
8265 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8267 * cpp.texi: Update for -MT.
8268 * cppinit.c (initialize_dependency_output): Add a default
8269 target if none has been given already.
8270 (no_tgt, OPT_MT): New.
8271 (cpp_handle_option): Handle -MT. Update -M etc.
8272 * cpplib.h (struct cpp_options): Remove deps_target.
8273 * gcc.c (cpp_options): Handle -MT.
8274 * mkdeps.c (struct deps): Move from mkdeps.h.
8275 (deps_calc_target): Rename deps_add_default_target. Add a
8276 default target if none has been specified already.
8277 * mkdeps.h (struct deps): Move to mkdeps.c.
8278 (deps_calc_target): Rename deps_add_default_target.
8280 2000-01-03 Richard Henderson <rth@redhat.com>
8282 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8284 * c-typeck.c (push_init_level): Move checks for flexible array
8285 members and zero length arrays ...
8286 (pop_init_level): ... here. Silently discard empty initializations.
8288 * varasm.c (output_constructor): Update for sizeof change to
8291 * extend.texi (Zero Length): Clarify semantics.
8293 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8295 * configure.in (tm.h): Include isns-codes.h last.
8296 * configure: Rebuilt.
8298 2001-01-03 Richard Henderson <rth@redhat.com>
8300 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8301 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8303 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8305 * tradcpp.c (main): Make sure finclude() is called with a valid
8306 indepth value while handling -include.
8308 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8310 * gencodes.c (output_predicate_decls): New function.
8312 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8313 even if it is not the first time machmode.h is #included.
8314 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8315 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8316 * gcc.texi (Copyright): Added 2001.
8318 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8320 * c-common.c (c_common_lang_init): New function. Warn if format
8321 warning options which only have effects when used with -Wformat
8322 are used without -Wformat.
8323 * c-common.h (c_common_lang_init): Declare.
8324 * c-lang.c (lang_init): Call c_common_lang_init.
8325 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8327 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8329 * configure.in: Check for the mktemp command.
8330 * configure: Regenerate.
8331 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
8332 $TEMP. Create temporary files with mktemp, if available at
8333 configure time; otherwise use set -C. Remove temporary files
8336 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8338 * configure.in: Require at least texinfo 4.0. Check for whether
8339 Pod::Man is sufficiently recent to regenerate GCC manpages.
8340 * configure: Regenerate.
8341 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
8343 (GENERATED_MANPAGES): Define.
8344 (generated-manpages): New target. Depend on cpp.1 as well as
8346 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
8347 configure to generated-manpages or empty) rather than on the
8348 manpages directly. Remove execute permission from installed
8349 gcov.1 as well as cpp.1.
8350 * cpp.1, gcov.1: Regenerate.
8352 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8354 * builtins.c (expand_builtin_strncmp): Use host_integerp and
8355 tree_low_cst. Allow using cmpstrsi in more cases.
8357 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8359 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
8362 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
8364 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
8365 * Makefile.in (HOST_CFLAGS): Mention build-make.
8367 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8369 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
8372 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8374 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
8377 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
8380 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
8381 reg_base_value and reg_known_value arrays.
8382 (init_alias_analysis): Add more cases to detect known values.
8383 * sched-deps.c (deps_may_trap_p): New function.
8384 (sched_analyze_2): Use it.
8386 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8388 * combine.c (simplify_shift_const): Even if we're sign-extracting,
8389 don't discard an ASHIFTRT if we're shifting in a wider mode.
8391 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8393 * toplev.c (rest_of_compilation): Don't print basic block information
8394 when CFG isn't up to date.
8396 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
8398 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
8399 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
8400 (UNALIGNED_SHORT_ASM_OP): Define.
8401 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
8403 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8405 * fold-const.c (fold_convert): Fix typo.
8407 2001-01-02 Richard Henderson <rth@redhat.com>
8409 * c-common.h (ASM_INPUT_P): New.
8410 * c-parse.in (asm): Set it when needed.
8411 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
8412 existance of an operand.
8414 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
8416 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
8417 (dwarf2out_frame_debug_expr): Likewise.
8418 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
8420 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
8422 * i386.c (ix86_split_to_parts): Return number of part required;
8424 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
8426 (ix86_split_long_move): Use number of part returned
8427 by ix86_split_to_parts
8428 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
8430 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
8431 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
8432 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
8433 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
8434 (ALIGN_MODE_128): Add TFmode.
8435 (IS_STACK_MODE): Likewise.
8436 (HARD_REGNO_NREGS): TFmode needs 3 registers.
8437 (HARD_REGNO_OK): Support TFmodes.
8438 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
8439 * i386.md (scheduler definitions): Use memory operand to determine
8440 fst/fld instructions; use mode attribute to determine real mode of
8442 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
8443 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
8445 2001-01-02 Mark Mitchell <mark@codesourcery.com>
8447 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
8449 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8451 * expr.c (store_constructor_field): Update ALIGN before calling
8454 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8456 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
8459 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
8461 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
8464 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
8466 * c-decl.c (start_function): Don't warn on third parameter to main.
8468 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8470 * tsystem.h: Define HAVE_DECL_GETOPT.
8472 2001-01-02 Philip Blundell <pb@futuretv.com>
8474 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
8477 2001-01-02 Richard Henderson <rth@redhat.com>
8479 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
8481 2001-01-02 Andreas Jaeger <aj@suse.de>
8483 * c-decl.c (c_decode_option): Remove support of
8486 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
8487 (W_options): Add -Wmissing-noreturn here.
8489 * flow.c: Define lang_missing_noreturn_ok_p.
8490 (check_function_return_warnings): Use it.
8492 * c-common.h: Declare lang_missing_noreturn_ok_p.
8494 * c-lang.c (c_missing_noreturn_ok_p): New function.
8495 (lang_init): Set lang_missing_noreturn_ok_p.
8497 * invoke.texi (Warning Options): Document this.
8499 2000-12-27 Phil Edwards <pme@sources.redhat.com>
8501 * extend.texi (C++ Extensions): New node for C++ attributes;
8502 describe init_priority and com_interface.
8503 * invoke.texi: Remove -finit-priority as it now has zero effect.
8504 * install.texi: Fix xref syntax.
8505 * md.texi: Likewise.
8507 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8509 * config.gcc (sparc64-wrs-vxworks*): New case.
8510 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
8512 * config/sparc/sparc.c (sparc_override_options): Do support different
8513 pointer and architecture size.
8514 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
8515 (POINTERS_EXTEND_UNSIGNED): Define.
8516 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
8517 (FUNCTION_MODE): Define to be Pmode.
8518 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
8520 * function.c (expand_function_end): Properly handle DECL_RESULT
8521 and copy when ptr_mode != Pmode.
8522 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
8524 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8526 * c-common.c (c_common_nodes_and_builtins): Set prototype
8527 parameters for __builtin_fputs, __builtin_fputc and
8528 __builtin_fwrite. Don't declare plain fputc as a builtin.
8530 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8532 * loop.c (add_label_notes): Increment the label usage count when
8533 a note is added to an insn which refers to a CODE_LABEL.
8534 * gcse.c (add_label_notes): Likewise.
8536 2001-01-01 Andreas Jaeger <aj@suse.de>
8538 * loop.c (scan_loop): Use xmalloc to allocate movables.
8540 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
8542 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
8543 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
8544 * reload1.c (REGISTER_MOVE_COST): Likewise.
8545 * regclass.c (REGISTER_MOVE_COST): Likewise.
8546 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
8547 dimension. Adjust all users.
8548 (init_reg_sets_1): Iterate on all modes.
8549 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
8550 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
8551 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
8552 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
8553 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
8554 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
8555 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
8556 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
8557 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
8558 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
8559 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
8560 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
8561 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
8562 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
8563 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
8564 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
8565 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
8566 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
8567 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
8568 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
8569 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
8570 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
8571 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
8572 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
8573 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
8574 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
8575 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
8577 2001-01-01 Bernd Schmidt <bernds@redhat.com>
8579 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
8580 arg VARIES_P. Call it with extra arg.
8581 (true_dependence): Likewise.
8582 * rtl.h (rtx_addr_can_trap_p): Declare.
8583 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
8585 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
8586 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
8587 pic offset table register if it's zero. All callers changed.
8588 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
8590 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8592 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
8593 STRING_POOL_ADDRESS_P.
8595 * config/sparc/sparc.c (input_operand): Properly test for short op.
8597 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
8598 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
8599 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
8600 * config/sparc/elf.h: No longer include sol2.h.
8601 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
8602 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
8604 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
8606 2001-01-01 Michael Hayes <mhayes@redhat.com>
8608 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
8609 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
8610 (record_initial): Likewise.
8611 * unroll.c (copy_loop_body, loop_iterations): Likewise.
8612 (remap_split_bivs): Likewise.
8614 2001-01-01 Michael Hayes <mhayes@redhat.com>
8616 * loop.c (loop_ivs_free): New function.
8617 (strength_reduce): Break out from...
8619 2001-01-01 Michael Hayes <mhayes@redhat.com>
8621 * loop.h (struct iv): New.
8622 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
8623 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
8624 'reg_biv_class' fields with 'regs' and 'n_regs'.
8625 (struct ivs): Rename 'loop_iv_list' field to 'list'.
8626 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
8627 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
8629 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
8631 * resource.c (mark_referenced_resources): Abort() before
8632 attempting to mark a pseudo register.
8633 (mark_set_resources): Likewise.
8635 2001-01-01 Michael Hayes <mhayes@redhat.com>
8637 * loop.h (REG_IV_CLASS): New accessor macro.
8638 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
8639 * unroll.c (REG_IV_CLASS): Likewise.
8641 See ChangeLog.4 for earlier changes.